Abrégé

A spiral flexible shaft and a spiral material conveyor. The spiral flexible shaft comprises a thick steel wire rope flexible shaft (1) and a spiral blade (2) disposed on the thick steel wire rope flexible shaft (1). The spiral material conveyor uses the spiral flexible shaft as a spiral machine core. A housing (4) of the conveyor can be configured to be of a non-linear structure, and comprises a turning section (41) and housing segments (42), wherein the turning section (41) and the housing segments (42) are connected by means of nylon bearing shell connector components. The spiral shaft for conveying materials can be achieved using only one spiral flexible shaft, and has no connectors in the middle, and therefore, the spiral shaft can achieve remote and multi-turn conveying.

Classes IPC  ?

• B65G 33/16 - Transporteurs rotatifs à vis ou à hélice pour matériaux solides fluents comportant une vis ou plusieurs vis enfermées dans un carter tubulaire avec vis flexibles fonctionnant dans des tubes flexibles
• B65G 33/32 - Adaptation des paliers ou des couplages pour tenir ou relier les vis

Abrégé

An intelligent vertical mill-based aggregate production process and apparatus, the apparatus comprising: a first feeding device, the first feeding device being used for feeding raw materials to an intelligent vertical mill device (12); a second feeding device, the second feeding device being used for feeding machine-made aggregates to a three-dimensional modular screening device (15); and an intelligent vertical mill device (12), the intelligent vertical mill device (12) being disposed between the first feeding device and the second feeding device, and the intelligent vertical mill device (12) being used for grinding raw materials into machine-made aggregates. In combination with other structures and process, the present application effectively overcomes the defects of devices for making machine-made gravel aggregates in the prior art that the area occupied is large, the operating cost and maintenance cost are high, the investment for environmental protection is high due to the poor production environment caused by the difficulty in thoroughly dealing with the indoor dust in corresponding plants having a large area, and it is difficult to achieve automation and intelligence because the devices are scattered.

Classes IPC  ?

• B02C 21/00 - Installations de désagrégation avec ou sans séchage des matériaux
• B02C 1/02 - Broyeurs à mâchoires
• B02C 1/04 - Broyeurs à mâchoires à mâchoires à simple action
• B02C 15/00 - Désagrégation par éléments broyeurs en forme de cylindres ou de billes, coopérant avec des couronnes ou des disques
• B02C 23/18 - Addition de fluide, dans un but autre que celui de broyer ou de désagréger par l'énergie du fluide
• B02C 25/00 - Systèmes de commande spécialement adaptés au broyage ou à la désagrégation
• B07B 1/28 - Tamis mobiles non prévus ailleurs, p. ex. à oscillations, à mouvement alternatif, à balancement, à basculement ou à vacillement

Abrégé

A vertical-type modular screening tower apparatus, comprising vibrating screens (1) used for vibrating and screening a crushed aggregate product; a screening tower (2), wherein several vibrating screens (1) are vertically arranged in the screening tower (2) in a layered mode; and chutes (3), wherein the vibrating screens (1) are movably and fixedly connected to the chutes (3).

Classes IPC  ?

• B07B 1/28 - Tamis mobiles non prévus ailleurs, p. ex. à oscillations, à mouvement alternatif, à balancement, à basculement ou à vacillement
• B07B 1/46 - Éléments de structure constitutifs des tamis en généralNettoyage ou chauffage des tamis
• B08B 5/04 - Nettoyage par aspiration, avec ou sans action auxiliaire
• B08B 15/04 - Précautions prises pour empêcher les crasses ou les fumées de s'échapper de la zone où elles sont produitesRamassage ou enlèvement des crasses ou des fumées de cette zone provenant d'un espace restreint, p. ex. d'un outil

Abrégé

An intelligent vertical mill device and a grinding method thereof, the device comprising: a grinding disc (5) disposed above a frame (4) at the inner bottom of a hollow casing body (1); a frame (4) having a motor provided thereon; a hollow tube (11), the output end of the motor being transmittingly connected to a planetary gear reducer below the grinding disc (5), and the grinding disc (5) being transmittingly connected to a sun gear in the planetary gear reducer; and a movable jaw plate (13) fixedly connected to and covering the outer circumferential wall of the grinding disc (5). The device and method effectively overcome the following defects of the vertical mills in the prior art in the processing of coarse aggregates: low production efficiency and low safety reliability of the vertical mill caused by compaction and blockage commonly occurring in materials in a crushing area, low hourly production rate, high energy consumption, fixed product size, and waste of time and labor because adjustment of the vertical mill for production of different products is difficulty, the whole machine needs to be shut down for maintenance and adjustment for the purpose of adjusting the vertical mill to produce products of different specifications, the working environment is poor in the casing, and the labor intensity is high.

Classes IPC  ?

• B02C 15/08 - Appareils comportant des billes ou des cylindres forcés contre l'intérieur d'un anneau par la force centrifuge, les billes ou les cylindres étant mus par une pièce disposée au centre
• B02C 23/14 - Séparation ou triage de matériaux, associé au broyage ou à la désagrégation au moyen de plusieurs séparateurs
• B02C 23/24 - Passage de gaz au travers de la zone de broyage ou de désagrégation
• B02C 25/00 - Systèmes de commande spécialement adaptés au broyage ou à la désagrégation
• B02C 1/02 - Broyeurs à mâchoires

Abrégé

Disclosed is an intelligent steel bar upsetting apparatus, which comprises a clamping assembly and an upsetting assembly. The clamping assembly can be arranged on the outer side of a steel bar in a sleeved manner and can clamp the steel bar. The upsetting assembly comprises a connecting sleeve, a holding assembly and a pressurizing assembly. The connecting sleeve and the clamping assembly are fixed and extend in a direction away from the clamping assembly, so as to form an upsetting cavity. The holding assembly and the pressurizing assembly are sequentially arranged in the upsetting cavity. The steel bar can pass through the clamping assembly, and the end of the steel bar extends into the upsetting cavity, such that the holding assembly holds the steel bar. The pressurizing assembly can move in a direction that approaches or stays away from the end of the steel bar, so as to pressurize the end of the steel bar. During upsetting, the steel bar passes through the clamping assembly, and the end of the steel bar enters the upsetting cavity, such that the clamping assembly clamps the steel bar; and the pressurizing assembly then applies a force to the steel bar between the holding assembly and the pressurizing assembly, such that the section of steel bar is upset. The upsetting apparatus is relatively light, is simple in structure, is convenient to operate and has wide and practical use occasions.

Classes IPC  ?

• B21F 5/00 - Refoulement des fils métalliques

Abrégé

Disclosed in the present invention are a reinforcing bar locked mechanical connection structure for a prefabricated member, and a tensioning device. The prefabricated member comprises a concrete main body and a reinforcing bar provided inside the concrete main body and extending in an axial direction of the concrete main body, and one end of the reinforcing bar extends out of an end surface of the concrete main body. The reinforcing bar locked mechanical connection structure for a prefabricated member comprises a reinforcing bar sleeve and a tensioning pad; the reinforcing bar sleeve comprises a fixing segment and a connection segment, an inner side surface of the connection segment is provided with a thread, an inner side surface of the fixing segment is in a horn shape flared towards the connection segment, and the fixing segment is sleeved on the end of the reinforcing bar extending out of the end surface of the concrete main body; and the tensioning pad is sleeved on an outer side surface of the reinforcing bar, an inner side surface of the tensioning pad abuts against the reinforcing bar, and an outer side surface of the tensioning pad is in a horn shape and abuts against the inner side surface of the fixing segment. The reinforcing bar locked mechanical connection structure for a prefabricated member can achieve mechanical connection with other members, and makes it unnecessary to perform complicated processing such as bending and anchoring, welding, and upsetting on the reinforcing bars at the construction site, effectively improving the construction efficiency.

Classes IPC  ?

• E04C 5/16 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers
• B28B 21/60 - Procédés ou machines spécialement adaptés à la fabrication des objets de forme tubulaire par incorporation de renforcements renforcements précontraints

Abrégé

Disclosed are a prefabricated component, an end tensioning device of a prefabricated component, and a tensioning method. The prefabricated component comprises a concrete main body and a prestressed steel bar. The prestressed steel bar is located at the interior of the concrete main body and extends along the axial direction of the concrete main body. An end of the concrete main body has a sinking platform. An end of the prestressed steel bar is located in the sinking platform. The interior of the sinking platform is filled with an anticorrosive material so as to wrap the prestressed steel bar located in the sinking platform. The sinking platform at the end of the prefabricated component forms a chamber, and the end of the prestressed steel bar is sunk into the sinking platform at the end of the prefabricated component. The chamber in the sinking platform is filled with an anti-corrosion material, such that after the maintenance of the prefabricated component has reached a standard strength, a completely sufficient protective layer is provided for the steel bar at the end of the prefabricated component. Therefore, the anti-corrosion performance of the end of the prefabricated component can be ensured and the concrete durability of the end of the prefabricated component is significantly increased, such that the protective layer of the steel bar reaches the national standard, thus overcoming gaps in a standard and gaps in technology.

Classes IPC  ?

• B28B 23/04 - Aménagements spécialement adaptés à la fabrication d'objets façonnés avec des éléments complètement ou partiellement enrobés dans le matériau de moulage dans lesquels les éléments enrobés sont des renforcements les éléments enrobés étant sous tension

Abrégé

An intelligent delivery apparatus for precast concrete pipe piles (9), the apparatus comprising: a storage unit, comprising a plurality of pipe pile stacking areas (1) which are arranged in parallel, and a loading area (2) arranged on one side of the pipe pile stacking areas in parallel; a pile searching unit, comprising a pile search track (3) disposed above the storage unit, a hanging beam (4) capable of operating along the pile search track, and a first driving mechanism capable of driving the hanging beam to operate; and a hook unit, comprising a lifting assembly, which is arranged on the hanging beam and comprises two lifting members (5) arranged opposite each other; a positioning assembly arranged below each lifting member; and hook assemblies, which are arranged on the outer sides of positioning beams (7) and comprise first hooks (8), wherein the upper end of each of the first hooks is hinged to each of the positioning beams, and the lower end of the first hook can rotate with the hinge axis of the upper end of the first hook acting as the axis, such that a precast concrete pipe pile can be hung on or released from the first hook. The apparatus can achieve the classified placement of pipe piles, and also does not need hook workers to perform a delivery pick-up operation at a pipe pile site, thereby not only saving manpower, but also greatly improving the delivery pick-up efficiency.

Classes IPC  ?

• B66C 1/10 - Éléments ou dispositifs de prise de la charge adjoints aux mécanismes de levage, de descente ou de halage, ou adaptés pour être utilisés avec ces mécanismes et transmettant les efforts à des articles ou à des groupes d'articles par moyens mécaniques
• B66C 1/14 - Élingues à crocs
• B66C 11/02 - Chariots ou treuils mobiles, p. ex. travaillant au- dessus de la voie de roulement avec mécanisme ou cabine de manœuvre suspendus ou décalés latéralement par rapport au chemin de roulement ou à la voie

Abrégé

The present invention relates to a concrete body supporting system for high-intensity dewatering. The concrete body supporting system for high-intensity dewatering comprises a supporting structure consisting of a plurality of piles sequentially and annularly assembled. Inner holes are formed on each pile along the axial direction thereof. Seep holes are formed on the inner sides of some of the piles, and on the outer sides of the other piles. The seep holes connect the inner holes to the outside such that both the inner and outer sides of the supporting structure can implement water seepage into the inner holes through the seep holes. By providing, on piles, inner holes and seep holes communicated with the inner holes, the concrete body supporting system for high-intensity dewatering can be used as a full replacement for existing dewatering wells, thus greatly reducing use costs. In addition, mud would not massively gather in the inner holes of the piles, such that smooth water drainage work of a submersible pump can be ensured, thus facilitating improving the dewatering efficiency of the inner holes.

Classes IPC  ?

• E02D 17/04 - Aménagement des bords ou consolidation des parois des trous de fondation
• E02D 19/10 - Retenue d'eau souterraine par abaissement du niveau de l'eau du sol
• E02D 5/30 - Pieux préfabriqués en béton ou béton armé ou en acier et béton
• E02D 5/52 - Pieux constitués d'éléments séparables, p. ex. de tubes télescopiques
• E02D 15/02 - Manutention de béton spécialement pour les fondations

Abrégé

Disclosed are a fly ash solid waste fiber unfired ceramsite and a manufacturing method therefor, wherein the ceramsite is prepared by the following components in mass percentages: 70%-75% of fly ash, 10%-15% of straw, 1.0%-5.0% of stove ash, 5.0%-10% of superfine slag powder, 1.0%-2.0% of sodium silicate, 1.0%-2.0% of desulfurized gypsum, 1.0%-2.0% of cement, and 1.0%-2.0% of an additive. Preparing the fly ash solid waste fiber unfired ceramsite by using solid waste such as fly ash, straw, stove ash, and superfine slag powder reduces the production cost of the unfired ceramsite, and also consumes a large amount of solid waste, and broadens the utilization approach of solid waste materials.

Classes IPC  ?

• C04B 18/06 - Résidus de combustion, p. ex. produits d'épuration des fumées, des émanations ou des gaz d'échappement
• C04B 18/24 - Déchets de végétaux, p. ex. balle de riz, rafles de maïsMatières cellulosiques, p. ex. papier

Abrégé

A raw material vertical mill external circulation system, comprising a proportioning belt conveyor (29), a feed elevator (30), a feed conveying mechanism (31), a feed tee coupling (32), a V-shaped powder concentrator (33), an external circulation vertical roller mill (37), a cyclone (38), a circulation draught fan (39), and a bag type dust remover (40). The external circulation vertical roller mill (37) comprises a powder milling cylinder (26) at the lower part and a powder concentration cylinder (9) at the upper part; the mill is disposed in the powder milling cylinder (26); the powder concentrator is disposed in the powder concentration cylinder (9); the powder milling cylinder (26) and the powder concentration cylinder (9) are separated by a partition (13); the outlet of a powder concentration coarse powder hopper (11) of the powder concentrator runs through the partition and extends into the powder milling cylinder (26).

Classes IPC  ?

• B02C 15/00 - Désagrégation par éléments broyeurs en forme de cylindres ou de billes, coopérant avec des couronnes ou des disques
• B02C 23/20 - Addition de fluide, dans un but autre que celui de broyer ou de désagréger par l'énergie du fluide après broyage ou désagrégation
• B02C 23/34 - Passage de gaz au travers de la zone de broyage ou de désagrégation le gaz étant renvoyé à la zone de broyage ou de désagrégation
• B04C 9/00 - Combinaisons avec d'autres dispositifs, p. ex. avec des ventilateurs

Abrégé

Disclosed is an external circulation roller type vertical mill, wherein a partition plate (16) is arranged at the middle-upper part of a mill shell and divides the mill shell into a powder grinding barrel (29) and a powder selecting barrel (12); a powder selecting machine is arranged in the powder selecting barrel (12), an outlet of a powder selection coarse-powder ash hopper (14) of the powder selecting machine penetrates the partition plate (16) and extends into the powder grinding barrel (29), and an air inlet (15) is provided in the lower part of the powder selecting barrel (12); and a grinding disc (20) and a grinding roller (18) are arranged at the lower part of the powder grinding barrel (29), a nozzle ring (22) is arranged between the outer circumference of the grinding disc (20) and the mill shell, a discharge ring channel (23) is arranged at the lower part of the nozzle ring (22), a discharge port (25) is further provided in the bottom of the discharge ring channel (23), and a feeding pipe (6), used for feeding materials into the powder selecting barrel (12) by means of a material lifting mechanism, of the powder selecting machine is further arranged at the discharge port (25).

Classes IPC  ?

• B02C 15/00 - Désagrégation par éléments broyeurs en forme de cylindres ou de billes, coopérant avec des couronnes ou des disques
• B02C 23/20 - Addition de fluide, dans un but autre que celui de broyer ou de désagréger par l'énergie du fluide après broyage ou désagrégation

Abrégé

The present invention relates to a steam curing apparatus for concrete precast piles, comprising: a conveying channel, the feed end of the conveying channel being located above the discharge end thereof in a vertical direction, so that the conveying channel is arranged in an inclined state, and the conveying channel being suitable for moving precast concrete piles from the feed end to the discharge end, and the plurality of concrete precast piles being arranged to abut each other on the conveying channel; a steam curing unit, the steam curing unit being suitable for the passage of the conveying channel, and forming a sealed cavity with the concrete precast piles on the conveying channel, the sealed cavity being connected to a steam conveying device, and the steam conveying device conveying steam to the sealed cavity. In the present invention, a conveying channel type curing structure is used, it is not necessary to construct a plurality of steam curing pools and pool covers thereof, it is not necessary to repeatedly lift and move the concrete precast piles from conventional curing pools, the concrete precast piles can rationally and fully be cured with steam, thereby effectively reducing the damage to the precast concrete piles during repeated lifting, effectively reducing steam loss and waste, and improving curing quality.

Classes IPC  ?

• B28B 11/24 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour faire prendre ou durcir

Abrégé

The present invention relates to an intelligent feeding apparatus for a concrete precast pile mold, comprising a pump for conveying concrete, the intelligent feeding apparatus comprising a resistance reduction unit and a mobile adaptation unit. The resistance reduction unit comprises a pump, a pumping pipe, and a controller. A feeding channel is provided in the pumping pipe. The radial dimension of the feeding channel gradually increases from the end close to the pump to the other end. The pump is connected to the controller by means of a wire. The controller is adapted to send a signal to the pump to control the efficiency of the pump conveying concrete to the pumping pipe. The mobile adaptation unit comprises a platform, at least two weighing sensors, and a controller. The weighing sensors are disposed along the linear direction of the top surface of the mobile platform. A mold is provided on the top of the weighing sensors. According to the present invention, the structure of the pumping pipe is rationally improved to reduce the friction between the pumping pipe and the concrete. Moreover, with respect to a conventional simple way, the movement of the mold can be adjusted adaptively according to the amount of concrete injected in the mold to avoid the problem of the blockage of the pumping pipe because the mold is moved too slowly.

Classes IPC  ?

• B28B 21/00 - Procédés ou machines spécialement adaptés à la fabrication des objets de forme tubulaire

Abrégé

The present invention relates to an intelligent concrete tubular pile production device, comprising an intelligent feeding device, wherein the intelligent feeding device comprises a resistance reduction unit and a movement adaption unit, the resistance reduction unit comprises a pump machine, a pumping pipe and a controller, the pumping pipe is internally provided with a feeding channel, and a radial dimension of the feeding channel is gradually enlarged from one end close to the pump machine to the other end; the pump machine is connected to the controller by means of a lead, and the controller is suitable for sending a signal to the pump machine to control the efficiency of the pump machine conveying concrete to the pumping pipe; and the movement adaption unit comprises a platform, at least two weighing sensors and a controller. The present invention is rational in structural design, the structure of the pumping pipe is improved rationally, the inner diameter, for conveying concrete, of the pumping pipe is designed to be unequal, and the friction force between the pumping pipe and the concrete is reduced; and the movement of a mold is different from a traditional simple manner, adaptive movement adjustment can be carried out according to the injection amount of the concrete in the mold, and the problem of the pumping pipe being blocked due to movement of the mold being too slow is avoided.

Classes IPC  ?

• B28B 15/00 - Disposition générale ou agencement des installations
• B28B 11/24 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour faire prendre ou durcir
• B28B 21/00 - Procédés ou machines spécialement adaptés à la fabrication des objets de forme tubulaire
• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques

Abrégé

The present invention relates to an intelligent control device for a concrete product autoclave. The device comprises an autoclave door opening and closing unit and a pressure control unit. The autoclave door opening and closing unit comprises a lever part that is connected with the autoclave door and is arranged generally in the vertical direction. The lever part above the autoclave door is arranged inside a hinge frame in a hinged manner, and the upper end of the lever part is connected with a linear drive mechanism via a connector. The linear drive mechanism is arranged at the top of an autoclave body, and is suitable for opening or closing the autoclave door by adjusting the rotating angle of the lever part along the hinge frame via the connector. The device according to the present invention achieves automatic opening and closing control of the autoclave door, automatically adjusts and controls the steam inlet volume according to the steam pressure in the autoclave body. In addition, the autoclave door can automatically stay step by step in the opening process, solving the problem of product cracks caused by a sudden reduction of pressure and temperature inside the autoclave body when the autoclave door is directly opened. Direct participation of manpower is basically not required during the whole maintenance of the autoclave, thereby greatly reducing the labor intensity and improving the maintenance efficiency and quality of concrete products.

Classes IPC  ?

• B01J 3/04 - Récipients sous pression, p. ex. autoclaves
• B28B 11/24 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour faire prendre ou durcir