Abstract

A piston fuel injector detecting device, comprising a base (1), a perspective platform (2), an observation cover (3), a sliding groove (4), an adjusting handle (5), a conducting wire column (6), a supporting plate (7), a tact switch (8), a limit plate (9), an infrared-ray emitting tube (10), an illuminating device (11) and a positioning pin (12), wherein the base (1) is connected with the perspective platform (2) and the positioning pin (12); the perspective platform (2) is connected with the observation cover (3) which is provided with the sliding groove (4); the adjusting handle (5) is connected with the observation cover (3); the conducting wire column (6) is vertically connected with the base (1) and is connected with the supporting plate (7) which is provided with the tact switch (8); the conducting wire column (6) is connected with the limit plate (9) which is connected with the infrared-ray emitting tube (10) and the illuminating device (11). The device can detect a is fuel injector without a trial injection by the fuel injector, and has advantages of no environmental pollution and low cost.

IPC Classes  ?

• F02M 65/00 - Testing fuel-injection apparatus, e.g. testing injection timing
• G01M 15/04 - Testing internal-combustion engines

Abstract

An electric tightening head for tightening a lock nut of a single through shaft, comprising a supporting plate (1), sliding blocks (2), tightening jaws (3), springs (4), wedged pad irons (5), wedged pad iron connecting arms (6), a pulling rod (7), an initial position detecting bolt (8) and stop bolts (9), wherein the supporting plate (1) is connected with the sliding blocks (2), the tightening jaws (3) and the pulling rod (7); the springs (4) are connected with the stop bolts (9) mounted on the tightening jaws (3); the tightening jaws (3) are connected with the wedged pad irons (5); the wedged pad irons (5) are connected with the wedged pad iron connecting arms (6); and an upper end of the pulling rod (7) is connected with the initial position detecting bolt (8).

IPC Classes  ?

• B25B 13/02 - SpannersWrenches with rigid jaws
• B23P 19/06 - Screw or nut setting or loosening machines

Abstract

A single-shaft yaw electric bolt-tightening machine, comprising a base (1), a bracket (2), an electric tightening shaft assembly (14), a sleeve (15), a reaction force supporting board (16), a dedicated sleeve (17), a reaction force sleeve (18), a servomotor (19), a torque sensor (20), an angle sensor (21) and a connecting shaft (22). The bracket (2) is fixed on the base (1) and is provided with a rotary servomotor (3) and an encoder (4). The rotary servomotor (3) is connected with an output shaft (5) which is provided with a small pulley (6). The small pulley (6) is fitted with a big pulley (8) by a toothed belt (7). The big pulley (8) is connected with a rotating shaft (9). A guide rod (12) is connected with a rotating arm (10) by a shaft sleeve (11) and is fixed on a cover-plate bracket (13) in which the electric tightening shaft assembly (14) is fixed.

IPC Classes  ?

• B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
• B23P 19/06 - Screw or nut setting or loosening machines
• B25B 23/14 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers

Abstract

A piston fuel-injector detection device consists of a base (1), a perspective platform (2), an observation cover (3), a sliding groove (4), an adjusting handle (5), a conducting-wire column (6), a supporting plate (7), a trigger switch (8), a limit plate (9), an infrared-ray emitting tube (10), an illuminating device (11) and a position pin (12). The base (1) is connected with the perspective platform (2) and the position pin (12); the perspective platform (2) is connected with the observation cover (3) which is provided with the sliding groove (4); the adjusting handle (5) is connected with the observation cover (3); the conducting-wire column (6) is connected with the base (1) vertically and with the supporting plate (7) which is provided with the trigger switch (8); the conducting-wire column (6) is connected with the limit plate (9) which is connected with the infrared-ray emitting tube (10) and the illuminating device (11). The device can detect a fuel injector without a trial injection of the fuel injector, has no environmental pollution and saves cost.

IPC Classes  ?

• F02M 65/00 - Testing fuel-injection apparatus, e.g. testing injection timing
• G01M 15/00 - Testing of engines

Abstract

A single-shaft yaw electric bolt-tightening machine includes a base (1), a bracket (2), an electric tightening shaft assembly (14), a sleeve (15), a counterforce supporting board (16), a special sleeve (17), a counterforce sleeve (18), a servomotor (19), a torque sensor (20), an angle sensor (21) and a connecting shaft (22). The bracket (2) is fixed on the base (1) and provided with a rotary servomotor (3) and a coder (4). The rotary servomotor (3) is connected with an output shaft (5) provided with a small belt wheel (6). The small belt wheel (6) is engaged with a big belt wheel (8) by a tooth-type belt (7). The big belt wheel (8) is connected with a rotating shaft (9). A guiding column (12) is connected with a rotating arm (10) by a shaft sleeve (11) and fixed on a cover-plate bracket (13). The electric tightening shaft assembly (14) is fixed in the cover-plate bracket (13).

IPC Classes  ?

• B23P 19/06 - Screw or nut setting or loosening machines

Abstract

A double-shaft variable pitch electric bolt fastening machine is disclosed. The machine includes a base body front end (1), a base body rear end (2), a servo motor (3), a servo revolving table (4), a servo feed sliding table (5), a pneumatic device (6), a main machine base (7), a lifter (8), a lifting adjusting guiding post (9), a plurality of support posts (10), a lifting platform (11), an angle adjusting device (12), a carrier platform (13), a revolving servo motor (14), an output rotary shaft (15), a centering device (16), a rotary arm (17), a sliding guide screw (18), a fastening servo motor (19), an auto nut identification and counterforce device (20). The invention has the advantages of simple operation, high fastening precision, balanced pressing force, time saved, labor saving, lower noise, no vibration. The invention can fasten the diagonal bolts of the variable pitch device simultaneously and ensure the fastening precision of the variable pitch device without deforming the variable pitch device.

IPC Classes  ?

• B23P 19/06 - Screw or nut setting or loosening machines
• B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts

Abstract

An electric fastening head for fastening a lock nut of a single through shaft is composed of a supporting plate (1), sliding blocks (2), tightening jaws (3), springs (4), wedges (5), wedge connecting arms (6), a pull rod (7), an initial position detection bolt (8) and stop bolts (9). The supporting plate (1) is connected with the sliding blocks (2), the tightening jaws (3) and the pull rod (7); the springs (4) are connected with the stop bolts (9) installed on the tightening jaws (3); the tightening jaws (3) are connected with the wedges (5); the wedges (5) are connected with the wedge connecting arms (6); and the upper end of the pull rod (7) is connected with the initial position detection bolt (8). The electric fastening head presents the advantages of simple and convenient operation, high fastening precision, satisfied process requirements, increased production efficiency, and reduced labor cost.

IPC Classes  ?

• B23P 19/06 - Screw or nut setting or loosening machines
• B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose