Abstract

The present invention relates to a lateral limiting apparatus for spatial special-shaped arch rib construction. The lateral limiting apparatus comprises a limiting mechanism (1); the limiting mechanism (1) comprises at least two limiting work frames (1-1) distributed opposite to and spaced apart from each other; and the limiting work frames (1-1) each comprise a work frame body provided with a positioning inclined surface (1-2). By providing the limiting work frames (1-1), the present invention laterally limits an arch rib to be mounted, prevents the arch rib from reversely rotating, and thus can ensure the accuracy of the hoisting placement position of the arch rib, can ensure the stability of arch rib placement, and facilitates subsequent arch rib assembly construction.

IPC Classes  ?

• E01D 21/00 - Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The present invention relates to the field of arch rib construction equipment, and specifically relates to a space special-shaped arch rib supporting and adjusting device, comprising longitudinal supporting mechanisms. Each longitudinal supporting mechanism comprises a steel pipe pier. Supporting cushion blocks are arranged on the steel pipe piers. Disclosed in the present invention is a space special-shaped arch rib supporting and adjusting device. The arch rib supporting and adjusting device disclosed by the present invention can be used for supporting and placing arch ribs during mounting, and ensure the accuracy of the arch rib hanging and placing positions, thereby facilitating the subsequent assembling operation.

IPC Classes  ?

• E01D 21/00 - Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

A transverse movement device for the replacement of a track beam anchor bolt, which belongs to the field of track beam anchor bolt replacement apparatuses. The transverse movement device comprises a main beam (1), wherein a placement mechanism is provided on the main beam (1), and comprises a sliding plate (2) arranged on the main beam (1). The transverse movement device further comprises a pushing mechanism arranged on the main beam (1), wherein the pushing mechanism comprises a transverse pushing component arranged on the main beam (1). The transverse movement device can transversely move a track beam (9) after being elevated, and implement subsequent replacement operations on an anchor bolt; and by providing the placement mechanism and the pushing mechanism, the corresponding track beam (9) can be moved transversely, so that the track beam (9) deviates from the position above an anchor bolt to be replaced, thereby facilitating the subsequent replacement operations on the anchor bolt.

IPC Classes  ?

• E01D 21/00 - Methods or apparatus specially adapted for erecting or assembling bridges
• E01B 29/40 - Means or arrangements for temporarily supporting laid tracks, or rails or sleepers in the track
• B65G 35/00 - Mechanical conveyors not otherwise provided for

Abstract

The present invention relates to the field of apparatuses for track beam construction, in particular to a hoisting system for track beam anchor rod replacement. The hoisting system comprises a hoisting mechanism; the hoisting mechanism is arranged on a gantry frame; the hoisting mechanism comprises a tow rod, and the tow rod is connected to a hoisting motor by means of a lifting rope. Disclosed is the hoisting system for track beam anchor rod replacement. The hoisting system disclosed in the present invention can implement elevation and transverse movement of track beams, facilitating subsequent movement of track beams, and further facilitating subsequent replacement operation for track beam anchor rods.

IPC Classes  ?

• B66C 1/10 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means
• B66C 19/00 - Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries

Abstract

Provided are an assembling device and a construction method, which relate to the technical field of building construction. The assembling device comprises a mounting platform, a supporting rod, a connecting assembly and an adjusting assembly, wherein the mounting platform is configured to bear a ball joint; the supporting rod is configured to fix a connecting rod; a sliding groove is provided in the mounting platform; one end, away from the connecting rod, of the supporting rod is rotationally connected to the connecting assembly, and the connecting assembly is engaged with the sliding groove to drive the supporting rod to rotate around the axis of the ball joint in a horizontal direction; and the adjusting assembly is connected to two adjacent supporting rods respectively, and the adjusting assembly can adjust the distance between the two adjacent supporting rods, so that the supporting rods rotate relative to the mounting platform by means of the connecting assembly. In the present application, when the assembling device is used, a preset position of the connecting rod fixed to the ball joint can be accurately positioned, and the position of the connecting rod fixed to the ball joint can be adjusted according to the actual working condition.

IPC Classes  ?

• E04G 21/16 - Tools or apparatus
• E04G 21/14 - Conveying or assembling building elements

Abstract

The present application relates to the technical field of building construction. Provided are an internal and external corner construction structure and a construction method. The internal and external corner construction structure comprises a first form, a second form, a third form, a first support, a second support, a connecting plate and a fixing assembly, wherein the first form is connected to the first support, and the first support is used for making the first form abut against a first form surface; the third form is connected to the second support, and the second support is used for making the third form abut against a third form surface; and the connecting plate is used for connecting the first form and the second form, and the fixing assembly is used for connecting the second form and the third form, such that the second form abuts against a second form surface. The internal and external corner construction structure of the present application can support a wall structure at internal and external corners, thereby ensuring the shape of the internal and external corners after casting, and improving the quality of the internal and external corners after casting.

IPC Classes  ?

• E04G 11/08 - Forms which are completely dismantled after setting of the concrete and re-built for the next pouring

Abstract

Disclosed is a grinding mechanism for a formwork of a tunnel lining trolley, the mechanism comprising a mounting frame (100), a driving member (200), a rotary disc (210), a link rod (300), a rocker arm (400) and a cleaning assembly. The driving member is used for driving the rotary disc to rotate, such that the link rod can be driven by the rotary disc to reciprocate; the rocker arm can be driven by the link rod to rotate relative to the mounting frame so as to drive the cleaning assembly to grind a formwork (600) on a tunnel lining trolley. Compared with driving by a hydraulic oil cylinder, the mode of the rotary disc, the link rod and the rocker arm cooperating to drive the cleaning assembly to grind the formwork allows the grinding mechanism for a formwork of a tunnel lining trolley to achieve a higher transmission speed when supplying power to the cleaning assembly, thereby effectively improving the grinding effect of the cleaning assembly. Also disclosed is a tunnel construction apparatus.

IPC Classes  ?

• E21D 11/00 - Lining tunnels, galleries or other underground cavities, e.g. large underground chambersLinings thereforMaking such linings in situ, e.g. by assembling
• E21D 11/10 - Lining with building materials with concrete cast in situShuttering or other equipment adapted therefor
• B24B 19/20 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding dies

Abstract

A large-span space special-shaped arch rib flying-swallow type basket steel box arch bridge and a rapid construction method. The flying-swallow type basket steel box arch bridge comprises a main pier structure, the main pier structure is connected to an arch rib structure (4), and the arch rib structure (4) is provided with a bridge body structure (3); a sling structure (5) is arranged between the arch rib structure (4) and the bridge body structure (3). The flying-swallow type basket steel box arch bridge is simpler in structure, and most of the main bodies thereof are spliced. Moreover, during actual construction, the processes which do not interfere with each other can be carried out at the same time, so that the construction efficiency is greatly improved. In addition, two construction lines are adopted at the same time during actual construction. Not only the overlapping of processes is avoided, but also the construction efficiency is improved, and the construction time is shortened.

IPC Classes  ?

• E01D 21/00 - Methods or apparatus specially adapted for erecting or assembling bridges
• E01D 4/00 - Arch-type bridges
• E01D 19/16 - Suspension cablesCable clamps for suspension cables

Abstract

A hoisting system and a hoisting method. The hoisting system comprises a floating crane (1), wherein a lifting hook (2) is arranged on the floating crane (1), a lifting sling (5) is connected to the lifting hook (2), and a displacement end of the lifting sling (5) is connected to a heavy object (12) by means of a lifting strap (9). The hoisting system further comprises an electrical assembly for controlling the lifting sling (5) to work. The displacement end of the lifting sling is directly connected to the heavy object by means of the lifting strap, and the extension length of the displacement end is accurately regulated and controlled by means of the electrical assembly, thereby accurately controlling an attitude adjustment of the heavy object in air, and the heavy object conveniently moves to a designated position and is then directly and accurately mounted, thereby reducing the attitude adjustment time after the heavy object is hoisted, and improving the hoisting efficiency.

IPC Classes  ?

• B66C 1/14 - Slings with hooks
• B66C 1/66 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
• B66C 13/08 - Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for depositing loads in desired attitudes or positions
• B66C 13/22 - Control systems or devices for electric drives
• B66C 13/44 - Electrical transmitters

Abstract

The present utility model relates to the field of cofferdams, in particular to a lock-type steel pipe pile cofferdam for cemented pebble geology. The lock-type steel pipe pile cofferdam comprises a steel pipe pile structure. The steel pipe pile structure is internally provided with an inner supporting structure, and the steel pipe pile structure comprises a plurality of lock-type steel pipe piles, wherein the plurality of lock-type steel pipe piles are sequentially connected to enclose a rectangular frame structure; steel casings are provided inside the rectangular frame structure; and the steel casings are connected to auxiliary cofferdam supporting mechanisms. The present utility model discloses a lock-type steel pipe pile cofferdam for cemented pebble geology. In the present utility model, by means of the auxiliary cofferdam supporting mechanisms, the periphery of the cofferdam can be supported during secondary foundation cleaning for the cofferdam, and the cofferdam is prevented from relatively large deformation which is caused by surrounding pressure from a foundation pit during foundation cleaning and affects subsequent normal use.

IPC Classes  ?

• E02D 19/04 - Restraining of open water by coffer-dams

Abstract

A fixing device for slabs, and a transport device, relating to the field of track slab transport devices. The fixing device for slabs comprises a fixing base (200), a supporting frame (300), and protection mechanisms (400). The supporting frame (300) is provided with clamping grooves configured to clamp slabs; there are multiple clamping grooves provided along the extending direction of the fixing base; the protection mechanisms are connected to the inner walls of the clamping grooves; the clamping grooves of the supporting frame (300) can ensure that slabs are vertically fixed on the fixing base; when the fixing base is placed on a transport vehicle, the supporting frame (300) can be provided with multiple clamping grooves according to the width of the transport vehicle. In each clamping groove, the surface of a slab is clamped and fixed by means of the protection mechanism (400); thus, transport of slabs in a vertical manner is achieved, multiple track slabs can be transported at a time, and the technical problems of low track slab transport efficiency, high transport cost, and waste of energy in the prior art are solved.

IPC Classes  ?

• B65D 61/00 - External frames or supports adapted to be assembled around, or applied to, articles

Abstract

A protective casing guide frame structure, comprising a guide frame (1), the guide frame (1) comprising a framework structure consisting of a beam I (2), a beam II (3), a beam III (4) and a beam IV (5) which are connected, wherein jacks (6) are respectively mounted on the beam I (2), the beam II (3), the beam III (4) and the beam IV (5), and each jack (6) is connected to a guide roller (7).

IPC Classes  ?

• E02D 13/04 - Guide devicesGuide frames

Abstract

Provided is a pile casing hoisting arm that is applied in the technical field of building construction. The pile casing hoisting arm comprises an arm cross beam (1), and the arm cross beam (1) comprises a cross beam assembly I (2) and a cross beam assembly II (3). A lifting member I (4) and a lifting member II (5) are clamped between cross beam assembly I (2) and cross beam assembly II (3). Lifting member I (4) is close to one side of cross beam assembly I (2) and of cross beam assembly II (3), and lifting member II (5) is close to one side of cross beam assembly I (2) and of one side of cross beam assembly II (3). The pile casing hoisting arm of the present invention is simple in structure, can conveniently and quickly hook onto a pile casing and hook onto a crane, reduces the difficulty of hooking, improves hoisting efficiency, and reduces labor intensity at the hoisting site.

IPC Classes  ?

• B66C 1/12 - Slings comprising chains, wires, ropes, or bandsNets
• B66C 1/66 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof

Abstract

Provided by the present utility model is a steel track beam installation mould which is applied to the technical field of rail transit construction. A mould bottom plate (1) of the steel track beam installation mould is connected to reserved steel bars (18). Adjustment tubes (4) are arranged between the mould bottom plate (1) and a steel beam bottom plate (3). A steel beam lug plate I (6) is connected to a bottom plate lug plate I (9) on one side of the mold bottom plate (1) by means of an inverted chain hoist I (8). A steel beam lug plate II (7) is connected to a bottom plate lug plate II (11) on the other side of the mold bottom plate (1) by means of an inverted chain hoist II (10). A vertical fine-tuning jack (12) is further arranged on the mold bottom plate (1). The steel track beam installation mold of the present utility model achieves the accurate, convenient and fast installation of steel track beams, and may quickly and accurately adjust without using a crane to lift and adjust the steel track beams, which reduces risks to quality during construction, simplifies installation procedures, reduces the labor intensity of workers, and improves the working efficiency and safety.

IPC Classes  ?

• E01B 29/00 - Laying, rebuilding, or taking-up tracksTools or machines therefor

Abstract

A positioning device for a swivel rotating piece at the pier top of a swivel beam, comprising a supporting mechanism (1), a first vertical positioning mechanism (2) and a horizontal positioning mechanism (3) connected to the first vertical positioning mechanism (2). The supporting mechanism (1) is connected to the first vertical positioning mechanism (2) or the horizontal positioning mechanism (3); and the first vertical positioning mechanism (2) and the horizontal positioning mechanism (3) are used for adjusting and locking the vertical position and the horizontal position of the rotating piece relative to the supporting mechanism (1) respectively. The device may reduce the operation difficulty, reduce the installation accuracy deviation and shorten the construction period.

IPC Classes  ?

• E01D 21/08 - Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections

Abstract

Disclosed are a straddle type track beam transporter and a use method thereof, relating to the field of transporters. The transporter comprises a hoisting mechanism (4), wherein the hoisting mechanism (4) is arranged on a cross beam (1.1), and the cross beam (1.1) is connected with a drive device for driving the transporter to move. The structural design is optimized such that the transporter has the advantages of convenient operation and wide application scope.

IPC Classes  ?

• B66C 19/00 - Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
• E01B 29/00 - Laying, rebuilding, or taking-up tracksTools or machines therefor
• E01D 21/00 - Methods or apparatus specially adapted for erecting or assembling bridges