154 results about "Impact wrench" patented technology

The invention discloses a lightning arrester installation tool, and belongs to the technical field of distribution network operation and maintenance. The tool comprises a connecting clamping jaw, a limiting plate, a distance adjusting module, a clamping clamping jaw, a drainage wire clamp module and a base hook, wherein the connecting clamping jaw can be used for pre-assembling the lightning arrester on the ground, and an impact wrench is used for automatically tightening the lightning arrester; the limiting plate is accurately positioned through the guide long plate; the distance adjusting module adjusts height through an electric push rod and a guide rail; the clamping jaw is driven by the steering engine to clamp the lightning arrester; the base hook hangs the wire by means of force, and the roller assists in stabilizing. The installation method comprises ground pre-assembly and high-altitude installation, the insulator does not need to be dismantled, the on-pole operation time is shortened by 50%, and the efficiency is doubled. Power failure can be avoided, operation and maintenance intensity is reduced, power supply reliability is improved, and the method is suitable for distribution network non-power-failure operation.

The invention relates to an impact tool and an impact wrench. In a corner impact tool, a working part can be properly illuminated by a lamp. This impact tool is provided with: a grip section extending in the front-rear direction; a motor housing part disposed in front of the grip part; a motor disposed inside the motor housing part; a main shaft disposed in front of the motor, extending in a direction intersecting the front-rear direction, and rotated by the motor; a hammer which is rotated by the main shaft; an anvil which is hit by the hammer in the rotational direction; a tip tool holding part disposed at the lower end of the anvil; a hammer housing that accommodates the main shaft and the hammer; and a light emitting body held in the hammer case.

Impact wrench (1) having an overall shape of a ‘T’ and comprising an upper handle group (2), a lower working group (3) and an intermediate connecting rod (4) connected between the handle group (2) and the working group (3), wherein: - the handle group (2) comprises a first body (2') with two elongated handles (5, 6) extending in opposite directions to each other and transversely to a longitudinal direction (14) of the screwdriver (1), a manual actuating element (7) and a battery seat (8) for receiving an electric battery (9), - the working group (3) comprises a second body (3'), a tool holder shaft (10) rotatably mounted about a pivot axis (R) and capable of carrying a screw bushing, an electric motor (11) powered by the battery (9) and operable by the manual actuating element (7), a gearbox (12) and an impact mechanism (13) connected between the motor (11) and the tool holder shaft (10) to impart rotational and impact impulses, where: - the battery seat (8) consists of a cavity (34) formed in an outer surface of the first body (2') on an operator side (33) of the impact wrench (1), wherein the cavity (34) is open to the outside of the first body (2') on the operator side (33) and on a top surface (35) of the impact wrench (1) opposite the working group (3), - the cavity (34) accommodates the battery (9) over at least half of its thickness (37), measured in the direction of the operator side (33), and / or the battery (9) extends beyond the free ends of the handles (5, 6) in the direction of the operator side (33) by less than one third or less than one quarter of the thickness of the battery (37), measured in the direction of the operator side (33).

The present invention belongs to the technical field of electric pole production, specifically a device and method for automatically disassembling the tension member at the end of a reinforced concrete electric pole, comprising a frame, a machine platform arranged above the frame, and a lifting mechanism that drives the machine platform to move up and down; a nut loosening mechanism is slidably connected to the machine platform along the axial direction of the electric pole, and the nut loosening mechanism includes a base slidably connected to the machine platform by a propulsion cylinder, a mounting plate vertically fixed to the base, a rotating disk rotatably connected to the mounting plate, and a pneumatic wrench assembly radially symmetrically arranged on the rotating disk, a laser sensor is also fixed on the rotating disk, and the laser sensor is arranged in the radial direction of the tension member; a fixing mechanism for fixing the tension member is also provided on the machine platform. Before removing the nut, the present invention drives the laser sensor to position the nut on the tension member by the rotating disk, and after positioning is completed, the nuts are removed one by one by the pneumatic wrench to complete the automatic disassembly of the tension member, thereby greatly improving the disassembly efficiency.

An impact tool (100, Figure 1) includes a tool housing 102 with a rear motor bearing pocket (142, Figure 2) formed in an inner surface of the housing. A motor 108 is disposed in the tool housing and i

An anvil configured to be impacted by a hammer in an impact wrench. The anvil defines a rotational axis. The anvil includes an anvil lug having a driven surface engageable with the hammer. The driven surface includes an involute profile. The involute profile is formed by a base cylinder defining a central axis. The central axis is offset from the rotational axis of the anvil.

Screw drive device for use with an impact wrench, comprising a drive shaft (12, 12a) having a drive end (14) that can be coupled to and driven by the impact wrench, and an insert end (44, 44a) with an annular wall (64, 64a), wherein the annular wall (64, 64a) forms a receiving recess (66, 66a) for receiving a screwdriver head (22, 22a) and the annular wall (64, 64a) has several radial holes (46) and each of the radial holes (46, 48) receives a coupling bearing (50, 50a, 50b) that can clamp the screwdriver head (22, 22a) in a drive position and release the screwdriver head (22, 22a) in a coupling position; a hollow coupling sleeve (16, 16a) having an upper end, a lower end and a central cavity (40) that receives the drive shaft (12, 12a), wherein the central cavity (40) has an upper end with a size defined for the passage of the drive end (14) of the drive shaft (12, 12a) and prevents the insert end (44, 44a) of the drive shaft (12, 12a) from passing through it, wherein the hollow coupling sleeve (16, 16a) has an annular groove (72, 72a, 72b) at the lower end of the central cavity (40), the annular groove (72, 72a, 72b) having a size defined to receive the coupling bearings (50, 50a, 50b) therein when the drive shaft (12, 12a) is in the coupling position, such that the loosen the screwdriver head (22, 22a) at the frustoconical ends (52) of the clutch bearings (50), but leave it in the corresponding radial holes (46, 48); a depth control part (18) surrounding the lower end of the hollow coupling sleeve (16, 16a), the depth control part (18) having a lower section (20) having a passage through which the screwdriver head (22, 22a) can extend; and a spring (58) that biases the drive shaft (12, 12a) in the direction of the drive position; characterized by the fact that: The coupling bearings (50, 50a, 50b) each have a cylindrical body with a frustoconical inner end (52) and a circular outer end (54) and are arranged such that they clamp the screwdriver head (22, 22a) in the drive position and the coupling bearings (50) can move from the coupling position to the drive position, wherein the cylindrical body has a total length “a”, the circular outer end (54) has a length “b” which is 1 / 4a, the cylindrical middle section (56) has a length “c” which is 1 / 2a, the frustoconical inner end (52) has a length “d” which is 1 / 4a, the cylindrical middle section (56) has a diameter of 1a, the frustoconical end forms a flat surface which has a diameter “e” which is 3 / 4a, and the circular outer end (54) has a radius “r” has a value of 1 / 2a, wherein the insertion end (44) of the drive shaft (12) has three radial holes (46),the insert end (44) is spaced apart from each other by 120 degrees on a radial plane of the insert end (44), the insert end (44a) of the drive shaft (12a) having three radial holes (46) arranged on a first radial plane of the receiving end (44a), and three radial holes (48) arranged on a second radial plane of the insert end (44a), the second radial plane being separated from the first radial plane, the hollow coupling sleeve (16a) having a first annular groove (72a) and a second annular groove (72b) for receiving the coupling bearings (50a, 50b) which are held in the radial holes (46, 48) arranged on the first and second radial planes when the screw drive device (10a) is in the coupling position, a locking projection (17) being located on one side of the drive shaft (12, 12a) above the insert end (44, 44a) is arranged to serve the screw drive device (10,10a) to fix in the drive position in the reverse direction in order to remove a tightened screw from a workpiece, wherein at least one locking notch (43) is formed at the upper end of the hollow coupling sleeve (16, 16a) and the locking projection (17) can pass through this to fix the screw drive device (10, 10a) in the drive position in the reverse direction, wherein when the locking projection (17) passes through the locking notch (43) and the hollow coupling sleeve (16, 16a) is rotated far enough, the locking projection (17) is held in the hollow coupling sleeve (16, 16a), wherein an axial slot (24) formed at the upper end of the depth control part (18) makes it possible to exchange the depth control part (18) and replace it with another depth control part of a different depth in order to change the depth of a screw driven into a workpiece,wherein the depth control part (18) has a lower section which is smaller than an upper section of the depth control part (18), and wherein each of the radial holes (46) on the first radial plane is spaced 60 degrees apart from each of the adjacent radial holes (48) on the second radial plane.

1. The name of the design product: impact wrench. 2. The use of the design product: the design product realizes tightening or loosening bolts. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention relates to the field of nuclear power plant maintenance equipment, and more particularly to a pneumatic wrench for rotating the main nut in a pressurized water reactor nuclear power plant. The pneumatic wrench includes: a guide rod connected to the lower end of a first sleeve; a second sleeve mounted on the outer surface of the guide rod's side end, with a third sleeve connected to its lower end; a fixing plate connected to the outer surface of the second sleeve's side end, with a small gear and a transition gear mounted on the upper part of the fixing plate, a pneumatic motor connected to the upper end of the small gear, a large gear ring on one side of the transition gear, a sleeve connected to the lower end of the large gear ring, a bearing installed at the connection between the sleeve and the second sleeve, an inner liner inside the sleeve, a limit block connected to the side end of the inner liner, a groove formed at the connection between the limit block and the large gear ring, a main nut inside the limit block, a main bolt inside the main nut, and a connecting seat connected to the upper end of the main bolt; a connecting plate connected to the outer surface of the first sleeve's side end, with pins installed on the connecting seat and the connecting plate. This invention can disassemble and assemble various types of nuts, and has a wide range of applications.

The invention discloses a vertical torque testing device which comprises a testing machine body, a stand column is arranged on the testing machine body, a testing main shaft is rotationally hung on one side of the top end of the stand column, a driving balance assembly for driving the testing main shaft to rotate, ascend and descend and keep balance is arranged at the top end of the stand column, and a counter-force arm is connected between the stand column and the testing main shaft at the same time; the impact wrench torque testing device further comprises a testing tool, the testing tool is arranged below the testing main shaft in a sliding mode, and when the testing tool is far away from the testing main shaft, actual torque testing of the impact wrench is conducted through the testing tool. When the testing tool slides to the position under the testing main shaft, the testing main shaft is pulled downwards to be matched with the testing tool for torque accuracy testing. The device is convenient to operate, the torque of tools such as an impact wrench is measured by adopting a reproduction method, errors are reduced, a tester can conveniently operate the tools such as the impact wrench, data are collected and processed in real time, and the rated torque of the wrench can be accurately measured.

The utility model discloses a pneumatic wrench which comprises an outer shell, an air cylinder, a valve sleeve and a throttling core, the outer shell is provided with an air inlet channel, the air cylinder is arranged in the outer shell, the valve sleeve is provided with a forward rotation air inlet hole and a reverse rotation air inlet hole which are communicated with the air cylinder, the valve sleeve is provided with a main air inlet hole communicated with the air inlet channel, and the throttling core is arranged in the valve sleeve. The throttling core moves in the axis direction of the valve sleeve, and the valve sleeve is detachably connected to the air cylinder. When the valve sleeve breaks down, the valve sleeve can be detached from the air cylinder, technicians are allowed to rapidly separate the air cylinder from the valve sleeve, and therefore the maintenance process is simplified, meanwhile, the damaged valve sleeve can be independently replaced instead of the whole pneumatic wrench, the maintenance cost can be reduced, economic benefits can be improved, and the service life of the pneumatic wrench can be prolonged. And the safety and the reliability are improved.

1. Name of the product in this design: Impact Wrench. 2. Purpose of this design: This design enables the tightening or loosening of bolts. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This tool is a crawler belt removal / attachment jig used to disengage the tension roller from the protrusions on the core metal near the rear end of the crawler belt to be attached or detached when attaching or detaching a crawler belt attached to a work machine such as a combine harvester. The tool includes a rear abutment portion that includes a removable, approximately arch-shaped accessory and abuts against the inside of the crawler belt near the rear end of the crawler belt to be attached or detached, a pusher portion that, in conjunction with an external power source, pushes the rear abutment portion toward the rear end of the crawler belt to be attached or detached, and a front abutment portion with multiple recesses for fitting onto the drive roller body or drive roller rotation shaft near the front end of the crawler belt to be attached or detached. As shown in Reference Figure 2, which shows an example of how the tool is used, if the side shape near the rear end of the crawler belt to be attached or detached is semicircular, the approximately arch-shaped accessory can be detached and used. When the rear abutment portion of this article is abutted against the inside near the rear end of the crawler belt to be detached, and one of the multiple recesses of the front abutment portion of this article is fitted into the drive roller body or the rotating shaft of the drive roller, and then the extrusion portion of this article is rotated to the right with an impact wrench or the like, the rear abutment portion pushed out by the rotated extrusion portion pushes the crawler belt to be detached toward the rear end of the crawler belt, so that the crawler belt to be detached extends toward the rear end of the crawler belt.This means that the engagement between the protrusions on the core wire of the crawler belt and the tension roller can be released without using brute force or a crowbar, making the work of detaching a crawler belt from a work machine such as a combine harvester both labor-saving and safe.In addition, even when engaging the protrusions on the core wire of the crawler belt with the tension roller, the time required to complete the positioning state that is performed before engaging the protrusions on the core wire of the crawler belt with the tension roller is shortened, making the work of attaching a crawler belt to a work machine such as a combine harvester both labor-saving and safe.

An impact wrench includes a housing, an electric motor, an anvil, a grip, an impact assembly, and a transmission assembly, where the transmission assembly is disposed between the electric motor and the impact assembly. The transmission assembly includes a main shaft disposed in the extension direction of the rotor shaft and including multiple planetary shafts, where multiple planet gears are disposed around the multiple planetary shafts, respectively, and a gear extends into the main shaft and drives the multiple planet gears; and a rear cover surrounding at least part of the main shaft from the rear to the front, where the rear cover is formed with an inner ring gear, and the inner ring gear meshes with the multiple planet gears. When the multiple planet gears rotate in the inner ring gear, the rear cover is in sliding contact with the main shaft. 20 25 20 41 35 03 J un 2 02 5 A B S T R A C T 2 0 2 5 2 0 4 1 3 5 0 3 J u n 2 0 2 5 A B S T R A C T 2 0 2 5 2 0 4 1 3 5 0 3 J u n 2 0 2 5 1 / 13 FIG. 1 S6 Front 104 Up Down Rear 131 130 100 102101 112111 200 110 160 113 1 / 13 Up 100 Rear Front 111 110 112 Down 130 101 102 O 131 113 160 O 200 104 S6 FIG. 1 20 25 20 41 35 03 J un 2 02 5 J u n 2 0 2 5 1 1 1 2 0 2 5 2 0 4 1 3 5 0 3 + 1 1 3 2 0 0 1 0 4 S 6 J u n 2 0 2 5 1 1 1 2 0 2 5 2 0 4 1 3 5 0 3 + 1 1 3 2 0 0 1 0 4 S 6

The invention discloses an electric tool. The electric tool comprises a shell; the motor is contained in the shell and comprises a stator assembly and a rotor assembly, the stator assembly comprises a stator winding and a stator iron core, the stator winding is wound on the stator iron core, the rotor assembly comprises a rotor shaft, and the rotor shaft drives a gear arranged at the front end of the rotor shaft; the output part is configured to install the tool head, and the output part is driven by the gear and outputs power outwards; the holding part is connected or formed on the shell; a bearing is arranged behind the gear and used for supporting the rotor shaft, the inner diameter of the bearing is smaller than the outer diameter of the gear, and the distance between the bearing and the gear is smaller than or equal to 12 mm. By the adoption of the technical scheme, the electric tool small in size can be provided.

An adapter which allows an impact wrench to be coupled to a tool bit for a rotary hammer and thereby rotate the tool bit in either direction. The adapter has a shaft member having a proximate end and a distal end. The proximate end has a rear facing axial opening configured to receive an anvil from the impact wrench. The distal end of the shaft member is coupled with a chuck assembly which is configured to releasably engage a shank of the tool bit and thereby rotate the tool bit. The adapter has a sleeve member which encloses the shaft member and allows the shaft member to rotate within the sleeve member. A handle member may be attached to the sleeve member, wherein the handle member may be utilized to apply a pulling force to the adapter to assist in withdrawal of the tool bit from a foundation.

An impact wrench comprising a control unit. The control unit is configured to receive a number of connectors and, for each connector of a plurality of connectors corresponding to the number of connectors, to determine a torque for the connector based on the number of connectors, wherein, if the connector is a connector other than a finally tightened connector, the specified torque is assigned to a stress level higher than a desired stress level, and the connector is tightened using the torque specified for the connector.

This ground anchor-type fixture is a versatile fixture that can be used for various purposes, such as securing or mooring objects. For example, as shown in the reference diagram showing its use, a single-pipe clamp can be attached by threading it onto the hexagonal head nut-shaped threaded portion at the top, facilitating the installation of a single-pipe on the ground. This ground anchor-type fixture has a hexagonal head at the top and a spiral ground-engaging portion around the outer periphery of the stake-shaped body. Therefore, this ground anchor-type fixture can be easily secured to the ground by fitting an adapter onto the hexagonal head from above and using an impact wrench (power tool) connected to the adapter to press down from above and screw it into the ground. Another use method is to thread an eyebolt onto the hexagonal head nut-shaped threaded portion, which can then be used to tie down a rope or attach a carabiner. For example, by securing it to the ground on a sandy beach, it can be used to moor a small boat or similar object via a rope or carabiner. Furthermore, when setting up a tent or sheet, ropes and carabiners can be used to prevent the tent or sheet from flying away.

The present article is a socket used in a wrench such as an impact wrench.

A pneumatic hand-held piston tightening device, comprising a pneumatic wrench, characterized in that the pneumatic wrench comprises a bottom handle, a swing head is rotatably installed at the top of the bottom handle, a rotary connecting part is installed at the bottom of the swing head, an upper air channel is arranged at the bottom of the rotary connecting part, a pneumatic motor is installed at the top of the upper air channel, an output shaft is connected to the pneumatic motor, and a tightening tool is installed on the output shaft. The utility model discloses an external air inlet at the bottom handle air inlet, and after control, the gas passes through the lower air channel and is introduced into the swing head, the pneumatic motor in the swing head rotates to drive the output shaft, the tightening tool installed on the output shaft clamps and tightens the piston, the setting of the pneumatic wrench can adjust the tightening torque, the tightening tool is convenient for clamping and tightening the piston rod, the machining groove arranged in the tightening tool can clamp the piston rods of different sizes, the piston rod is conveniently placed in the machining groove and is fixed relative to the machining groove, and the working efficiency is improved.

The utility model relates to the technical field of electric wrenches, and discloses a noise reduction type electric wrench striking block assembly which comprises an outer shell, a noise reduction assembly is arranged in the outer shell, one side of the outer shell is connected with a protective shell through a bolt, and the top face of the protective shell is fixedly connected with a lubricating assembly. The noise reduction assembly comprises a noise reduction layer arranged in the shell, and the outer side of the noise reduction layer is fixedly connected with a sound insulation layer. The lubricating assembly comprises a liquid storage tank fixedly connected to the top face of the protective shell, and a controller is fixedly connected to one side of the liquid storage tank. According to the noise reduction type electric wrench striking block assembly, through the arrangement of the noise reduction assembly, in the using process, the noise reduction layer can efficiently absorb noise generated when a device operates, the sound insulation layer can effectively block noise propagation and prevent the noise from escaping to the external environment, precise control over the noise is achieved, interference to the surrounding environment and personnel is remarkably reduced, and the noise reduction type electric wrench striking block assembly is suitable for popularization and application. And a quiet and comfortable use environment is provided for the user.

The utility model discloses a pneumatic tool low noise air flow channel and noise reduction structure, relates to the pneumatic tool noise reduction technical field, and comprises a pneumatic wrench and a noise reduction pipe communicated with the pneumatic wrench air inlet, the noise reduction pipe comprises an air inlet end, a buffer section, a diversion section and an air outlet section, the air inlet end, the buffer section, the diversion section and the air outlet section are welded and fixed, a spiral air inlet groove is formed in the inner wall of the air inlet end, a plurality of conical protrusions which are symmetrically arranged in a surrounding mode are fixedly arranged on the inner wall of the buffering section, a plurality of flow guide blades which are arranged at intervals are fixedly arranged in the flow guide section, the flow guide blades are arranged in an arc shape, and the air outlet section is of a gradually-shrinking structure. According to the noise reduction pipe, the air inlet end, the buffering section, the flow guide section and the air outlet section are arranged, a special flow channel structure can be adopted to effectively reduce noise of airflow entering the pneumatic tool, and damage of noise to hearing and physical and psychological health of operators is reduced.

The utility model discloses a rotating circle number counting device, an impact wrench and a railway fastener bolt dismounting wrench, and relates to a counter and a wrench using the counter. In order to overcome the problem of inaccurate counting of a rotation turn number counting device of an existing impact wrench, a first inductor and a second inductor are fixed in a central symmetry mode to form a rotating body; the first sensor and the second sensor are both located on rotation paths of the first inductor and the second inductor; the detection signal output end of the first sensor is electrically connected with the first detection signal output end of the processor, and the detection signal output end of the second sensor is electrically connected with the second detection signal output end of the processor; a first counting output / input end of the processor is electrically connected with a counting input / output end of the first sensor counting unit; a second counting output / input end of the processor is electrically connected with a counting input / output end of a second sensor counting unit; the third counting output end of the processor is electrically connected with the counting input end of the total counting unit.

An impact wrench is provided with a battery to power the motor. The impact wrench provides improved portability since the impact wrench does not need to be connected to an electrical extension cord or a pneumatic hose. The output drive, motor, batteries and main handle may be aligned along the axial direction of the tool. The batteries may be located between the motor and the main handle.

The utility model discloses an air pressure type large-torque pneumatic wrench lifting mechanism, which relates to the field of lifting devices and comprises a base, a vertical column is fixedly mounted at the top end of the base, a lifting mechanism is mounted on the vertical column and used for driving a movable frame to move up and down, a rotating mechanism is mounted outside a side plate of the movable frame, and the rotating mechanism is used for rotating the movable frame. A connecting mechanism is installed at the end, away from the lifting mechanism, of the rotating mechanism and used for fixing the torque pneumatic wrench. Through the arrangement of the lifting mechanism, the rotating mechanism and the connecting mechanism, the purpose of automatically lifting the pneumatic torque wrench can be achieved, so that the assembly difficulty is reduced, the installation range can be effectively guaranteed, and the use limitation caused by the too small installation range is avoided.

The utility model discloses a holding shell assembly of an impact wrench. The holding shell assembly comprises a left shell and a right shell. The left shell and the right shell are each sequentially provided with an upper installation cavity, a grab handle cavity and a lower installation cavity. In the upper mounting cavity, the first hole position is used for mounting the front-end shell assembly; the first protrusion is used for allowing the planetary gear reduction gearbox to abut backwards. The second bulge is used for fixing the brushless motor; and the second hole site is used for mounting the rear cover. In the grab handle cavity, the third bulge is used for fixing the adjusting module; the first through groove is used for forward extension of the debugging switch; the second through groove is used for the rotary switch to extend out; a power line of a light source of the front-end shell assembly penetrates into the threading groove. And in the lower mounting cavity, the upper cavity is used for fixing the brushless motor driver, the conductive part of the brushless motor driver enters the lower cavity through communication of the upper cavity and the lower cavity, and the lower cavity is used for mounting the storage battery. The utility model has the beneficial effects of simple structure, stable installation, convenient assembly and convenient mold opening.

The utility model discloses a pneumatic wrench with a positioning mechanism, which comprises a pneumatic wrench body, a handle is fixedly mounted at the bottom of the pneumatic wrench body, and a lithium battery is arranged in the handle. According to the pneumatic wrench, the pneumatic wrench body, the handle, the wrench head, the button, the balance weight base, the movable groove, the limiting groove, the movable plate, the limiting block, the supporting block, the positioning opening, the positioning block, the mounting groove, the vertical rod, the stop block, the lifting plate and the sleeve spring are matched with one another, the effect that the balance weight base can be conveniently disassembled without other tools is achieved, operation is easy, time and labor are saved, and the working efficiency is improved. And actual requirements of users can be met.

1. The name of the design product: bit. 2. The use of the design product: parts for pistol drill, rechargeable drill, pneumatic screw and pneumatic wrench. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

This invention provides a pneumatic wrench booster transmission mechanism suitable for high torque conditions, relating to the field of pneumatic wrench technology. It includes: a booster transmission unit, an auxiliary booster unit, a connecting shielding unit, and an intelligent control unit. The auxiliary booster unit is mounted on the booster transmission unit; the intelligent control unit is mounted on the booster transmission unit; the connecting shielding unit is mounted on the booster transmission unit; the drive motor is fixedly mounted on a mounting frame a; and the auxiliary booster gear is fixedly mounted on the output shaft of the drive motor. When the output shaft of the drive motor rotates forward, the auxiliary booster gear drives the auxiliary booster gear ring to rotate forward; when the output shaft of the drive motor rotates in reverse, the auxiliary booster gear drives the auxiliary booster gear ring to rotate in reverse, thereby increasing the output torque of the power output shaft. This solves the problem that output torque can usually only be increased by deceleration, and cannot be increased by external power assistance.

The utility model discloses a railway special-purpose impact wrench detection apparatus, comprising a support, a torque sensor, a first connecting piece, a second connecting piece and a display instrument, the support is provided with a steel rail, the steel rail is fixed on the support through a bolt and a track fastener, the torque sensor is installed on the support and is located above the bolt, and the display instrument is installed on the support. An input shaft of the torque sensor is connected with the first connecting piece and used for connecting the impact wrench, an output shaft is connected with the second connecting piece, a sleeve is arranged at the bottom of the second connecting piece and used for connecting a bolt and driving the bolt to rotate so as to loosen and tighten the rail fastener, and the displayer is connected with the torque sensor and used for displaying detection data of the torque sensor. The whole detection process of the device is carried out under the real-time operation condition of the impact wrench, the precise detection effect can be achieved, the device has the advantages of being high in detection precision, good in stability and high in anti-interference performance, the impact wrench can be debugged through detection data, the requirement of a fastener system is met, and railway driving safety is ensured.