CN216758877U

CN216758877U - Automatic torque gun head, torque gun and battery replacement robot that reset

Info

Publication number: CN216758877U
Application number: CN202123025158.9U
Authority: CN
Inventors: 张建平; 朱明厚; 庄智敏
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-06-17
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses an automatic-resetting torque gun head, a torque gun and a battery replacement robot. The automatic-resetting torque gun head comprises a sleeve device and an elastic resetting assembly, wherein the sleeve device is used for receiving external torque and applying torque to a battery fastener, the sleeve device comprises a sleeve part and a shaft connecting part, and the upper end of the shaft connecting part is connected with the lower end of the sleeve part in a swinging manner so that the sleeve part can swing relative to the shaft connecting part; the elastic reset component is sleeved on the peripheral surface of the sleeve device and used for resetting the sleeve part to the position where the axis of the sleeve part coincides with the axis of the shaft connecting part. The sleeve portion can swing relative to the axial direction of the shaft connecting portion, so that the moving range of the sleeve portion can be enlarged, even if relative positioning of the sleeve portion and the battery fastener has errors, the battery fastener can be still clamped by the swinging sleeve portion, the elastic resetting component drives the axial line of the sleeve portion to coincide with the axial line of the shaft connecting portion, and the axial line of the sleeve device can coincide with the axial line of the battery fastener to further realize torsion.

Description

Automatic torque gun head, torque gun and battery replacement robot that reset

Technical Field

The utility model relates to the field of electric automobiles, in particular to an automatic-resetting torque gun head, a torque gun and a battery replacement robot.

Background

The conventional battery box of the electric vehicle is generally divided into a fixed type battery and a replaceable type battery, wherein the fixed type battery is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The replaceable battery box is generally fixed to a bracket of the vehicle by means of a movable mounting. The battery box can be removed to perform replacement or charging operations on the battery box alone. After the replaced battery box is charged, the battery box is installed on the vehicle again. The battery box can be battery PACK, and a plurality of electric cores are packaged together by same shell frame, when contacting through unified border and outside, this has just constituted a module, and when a plurality of modules are controlled or managed by BMS and thermal management system jointly, this unified whole just is called battery PACK.

The battery box can be installed to the bracket through the fastener, and locking means on the bracket can realize the fixed of battery box. To facilitate installation or removal of the fasteners, the power station may utilize a torque gun to perform the associated operations. The sleeve of the torque gun can clamp the end of the fastener, so that torque can be applied to the fastener, and the battery box can be mounted or dismounted.

At present, the sleeve of the torque gun is generally difficult to accurately align with the fastener, so that the battery box is difficult to assemble and disassemble, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that a sleeve of a torque gun is usually difficult to accurately align with a fastener in the prior art, and provides an automatic resetting torque gun head, a torque gun and a battery replacement robot.

The utility model solves the technical problems through the following technical scheme:

the utility model provides an automatic moment of torsion rifle head that resets sets up in trading the moment of torsion rifle of battery package locking and unlocking, the moment of torsion rifle head includes: the sleeve device is used for receiving external torque and applying torque to the battery fastener and comprises a sleeve part and a shaft connecting part, wherein the upper end of the shaft connecting part is in swing connection with the lower end of the sleeve part, so that the sleeve part can swing relative to the shaft connecting part; the elastic resetting component is sleeved on the peripheral surface of the sleeve device and used for resetting the sleeve part to the position where the axis of the sleeve part is coincident with the axis of the shaft connecting part.

In this scheme, the sleeve portion can swing for the axis direction of axle connection portion to can increase the home range of sleeve portion, even the relative location of sleeve portion and battery fastener appears the error, battery fastener still can be blocked to the sleeve portion that can swing, elasticity reset assembly drives the axis of sleeve portion and the axis coincidence of axle connection portion, and the axis of sleeve device can coincide with battery fastener's axis, and then realizes twisting of battery fastener. The sleeve device can reduce the requirement of positioning accuracy and improve the efficiency of aligning the battery fastener.

Preferably, the elastic reset component is sleeved on the outer peripheral surfaces of the sleeve portion and the shaft connecting portion.

In this scheme, the elastic reset assembly of being convenient for inwards exerts the effort all around, and the sleeve device of being convenient for resets.

Preferably, an accommodating gap is formed between the inner side surface of the elastic resetting component and the outer peripheral surface of the sleeve part, and the accommodating gap ranges from 1 mm to 2 mm.

Preferably, the elastic return component is a spring or a rubber sleeve.

In the scheme, the structure is simple, and the use is reliable.

Preferably, the elastic reset assembly comprises a wave spring and a steel sleeve, the steel sleeve is sleeved outside the sleeve device, and the wave spring is arranged between the steel sleeve and the sleeve device.

In this scheme, simple structure guarantees to exert effectual dynamics of reseing to sleeve device, and the installation of being convenient for adopts the steel bushing to keep outside moment of torsion conduction to give the sleeve device in-process, and the stability of the sleeve portion of moment of torsion rifle uses reliably.

Preferably, the inner side surface of the upper end of the steel sleeve is provided with an accommodating groove, and the spring is arranged in the accommodating groove.

In the scheme, the structure is compact and the use is reliable.

Preferably, the sleeve portion is connected to the shaft connecting portion by a pivot shaft, and an upper end of the sleeve portion is allowed to swing from an axis of the shaft connecting portion to an axis outer side direction of the shaft connecting portion.

In the scheme, the swing is realized by utilizing the pivot shaft, and the structure is simple and reliable.

Preferably, the lower end of the sleeve part is provided with two oppositely arranged lower connecting walls, the two lower connecting walls are provided with correspondingly arranged first pivot holes, and the pivot shaft is inserted into the first pivot holes.

In the scheme, the structure is simple, and the use is reliable.

Preferably, an avoidance gap is provided between the lower end of the sleeve portion and the upper end of the shaft connecting portion, and the avoidance gap is used for avoiding interference with the swing of the sleeve portion.

In this scheme, the interference swing can be avoided.

Preferably, the upper end of the sleeve part is used for matching with a battery fastener of the equipment to be recharged; the lower end of the shaft connecting part is used for receiving external torque to rotate so as to drive the sleeve part to rotate; the upper end of the sleeve portion is swingable in a direction outside the axis of the coupling portion from the axis of the coupling portion.

Preferably, the upper end of the sleeve portion is provided with a battery fastener driving matching portion, and the upper end surface of the battery fastener driving matching portion is provided with a guide surface for guiding the sleeve portion to be matched with a driving member in the battery fastener.

In this arrangement, it is convenient for the guide sleeve portion to cooperate with the drive member in the battery fastener.

Preferably, the outer peripheral surface of the sleeve portion is provided with a limiting table for limiting the depth of the sleeve portion matched with the battery fastener.

In this embodiment, the sleeve portion is prevented from being inserted too deeply.

Preferably, the limiting table and the battery fastener driving matching portion constitute a gun head, and the gun head is detachable relative to the sleeve portion.

Preferably, the limiting table is provided with a step surface, and the step surface is used for being matched with an elastic mechanism at the periphery of the battery fastener.

Preferably, the upper end face of the sleeve part is provided with a communication groove or a groove which is matched with and avoids the battery fastener.

In this scheme, it is convenient to avoid the battery fastener, such as a screw, and the shape is consistent with the battery fastener or larger than the fastener.

Preferably, the lower end of the shaft coupling part has a connection hole, and the external power output part applies torque to the shaft coupling part through the connection hole to apply external force torque to the shaft coupling part.

Preferably, the sleeve device further includes a connecting shaft, the sleeve portion is connected to the shaft connecting portion through the connecting shaft, the sleeve portion is swingable with respect to the connecting shaft, and the connecting shaft is swingable with respect to the shaft connecting portion.

Preferably, the lower end of the sleeve portion is pivotally connected to the first connecting shaft, the upper end of the coupling portion is pivotally connected to the connecting shaft, and the swinging direction of the connecting shaft with respect to the coupling portion and the swinging direction of the sleeve portion with respect to the connecting shaft are not coplanar.

In this scheme, the swing direction of hub connection portion and sleeve portion is coplane not, has realized that hub connection portion and sleeve portion can follow multi-direction free swing, accurate adaptation battery fastener, reduce the friction.

Preferably, the connecting shaft includes a ball head portion and a ball groove portion which are in rolling fit, an upper end of the sleeve portion is fixedly connected with one end of the connecting shaft, a lower end of the shaft connecting portion is fixedly connected with the other end of the connecting shaft, and the sleeve portion is sleeved on an outer circumferential surface of the connecting shaft.

In this aspect, the rolling engagement between the ball head portion and the ball groove portion can reduce friction, thereby improving the flexibility of the swing of the sleeve portion and the shaft connecting portion.

A torque gun comprising a torque gun head as described above.

In this scheme, the moment of torsion rifle head of moment of torsion rifle can swing for the axis direction of axle connection portion to can increase the adaptation scope of moment of torsion rifle, even the error appears in the relative positioning of moment of torsion rifle and battery fastener, the battery fastener still can be blocked to the moment of torsion rifle, elasticity reset assembly orders about the moment of torsion rifle head and resets, the axis of moment of torsion rifle head can coincide with the axis of battery fastener, and then realizes twisting of battery fastener. The torque gun can reduce the requirement of positioning accuracy and improve the efficiency of aligning the battery fasteners.

Preferably, the torque gun further comprises a power assembly, a base assembly and an elastic member, the power assembly is mounted on the base assembly, an output shaft of the power assembly is in transmission connection with the shaft connecting portion, the shaft connecting portion can move along the axis direction of the output shaft, the elastic member acts on the sleeve device, and the elastic member is used for driving the sleeve device to be away from the power assembly.

Preferably, the outer peripheral surface of the shaft connecting portion is provided with a blocking table, the elastic member is a second spring, the second spring is sleeved on the outer periphery of the shaft connecting portion, and two ends of the second spring respectively abut against the shaft connecting portion and the power assembly.

The utility model provides a trade electric robot, trade electric robot includes the lift platform with set up in the last moment of torsion rifle mounting panel of lift platform, be provided with at least one as above moment of torsion rifle on the moment of torsion rifle mounting panel.

In this scheme, through adopting above structure, can increase the adaptation scope that trades electric robot, can reduce positioning accuracy's requirement, can improve the efficiency of aiming at the battery fastener.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the utility model.

The positive progress effects of the utility model are as follows:

the sleeve part of the torque gun head can swing relative to the axial direction of the shaft connecting part, so that the moving range of the sleeve part can be enlarged, even if relative positioning of the sleeve part and the battery fastener has errors, the battery fastener can still be clamped by the swinging sleeve part, the elastic resetting component drives the axial line of the sleeve part to coincide with the axial line of the shaft connecting part, and the axial line of the sleeve device can coincide with the axial line of the battery fastener, so that the torsion of the battery fastener is realized. The sleeve device can reduce the requirement of positioning accuracy and improve the efficiency of aligning the battery fastener.

Drawings

Fig. 1 is a schematic structural diagram of an electrical swapping robot in embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of a torque gun of the swapping robot in fig. 1.

Fig. 3 is a schematic structural diagram of a torque gun in a use state of the swapping robot in fig. 1, which includes the torque gun and a battery fastener.

Fig. 4 is a schematic structural diagram of a cross section of a torque gun of the swapping robot in fig. 3.

FIG. 5 is a schematic view of the torque gun of FIG. 2 without the base assembly and the resilient return assembly.

Fig. 6 is a schematic view of the structure of the sleeve portion of the sleeve device of fig. 5.

Fig. 7 is a schematic view of the shaft coupling portion of the sleeve device of fig. 5.

Fig. 8 is a structural view illustrating a connection shaft of the sleeve device of fig. 5.

Fig. 9 is a schematic view of the output shaft of the sleeve device of fig. 5.

Fig. 10 is a schematic structural view of a reducer assembly of the sleeve device in fig. 5.

Fig. 11 is a schematic view of a motor assembly of the sleeve device of fig. 5.

Fig. 12 is a schematic structural diagram of a base assembly of the swapping robot in fig. 3.

FIG. 13 is a schematic illustration of the torque gun of FIG. 2 without the base assembly, wherein the resilient return assembly is a rubber boot.

Fig. 14 is a schematic structural diagram of a torque gun in the electric swapping robot in embodiment 2 of the present invention.

FIG. 15 is a cross-sectional structural schematic view of the torque gun of FIG. 14.

FIG. 16 is a schematic view of the steel sleeve of the torque gun of FIG. 14.

Fig. 17 is a schematic structural view of the sleeve portion of fig. 14 showing the fitting and the position-limiting pad.

Fig. 18 is a structural diagram of the cuff and the spacing pad of fig. 17 from another perspective.

Fig. 19 is a sectional structural view of the spacing pad in fig. 14.

Fig. 20 is a schematic view of a coupling sleeve of the sleeve portion of fig. 14.

Description of reference numerals:

battery replacement robot 100

Lifting platform 11

Torque gun mounting plate 12

Torque gun 200

Power assembly 21

Base assembly 22

Elastic member 23

Blocking table 24

Speed reducer assembly 25

Motor assembly 26

Output shaft 27

Sleeve device 300

Escape gap 31

Sleeve portion 40

Connecting wall 41

Drive matching section 42

Guide surface 43

Limiting table 44

Step surface 45

Communication groove 46

Sleeve head 47

Driving block 471

Spacing pad 48

Connecting sleeve 49

Driving groove 491

Shaft coupling 50

Connection hole 51

Connecting shaft 60

Elastic reset assembly 70

Steel jacket 71

Accommodating groove 72

Spring 73

Rubber sleeve 74

Battery fastener 90

Detailed Description

The present invention will be more clearly and completely described below by way of examples in conjunction with the accompanying drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1 to 13, the present embodiment is a swapping robot 100, the swapping robot 100 includes a lifting platform 11 and a torque gun mounting plate 12 disposed on the lifting platform 11, and at least one torque gun 200 as follows is disposed on the torque gun mounting plate 12, so that the adaptation range of the swapping robot 100 can be increased, the requirement of positioning accuracy can be reduced, and the efficiency of aligning the battery fastener 90 can be improved.

The battery replacement robot 100 moves to a designated position below the electric automobile; the lifting platform 11 will move along the direction close to the electric vehicle, so as to drive the torque gun mounting plate 12 and the torque gun 200 to move along the direction close to the electric vehicle, and the torque gun 200 drives the rotation of the rotation locking piece on the battery pack to unlock or lock the battery pack.

In the figures, the torque gun 200 includes a torque gun head as follows. The torque gun head of the torque gun 200 can swing relative to the axial direction of the shaft connecting part 50, so that the adaptation range of the torque gun 200 can be enlarged, even if errors occur in the relative positioning of the torque gun 200 and the battery fastener 90, the battery fastener 90 still can be clamped by the torque gun 200, the elastic resetting component 70 drives the torque gun head to reset, the axial line of the torque gun head can be overlapped with the axial line of the battery fastener 90, and then the torsion of the battery fastener 90 is realized. The torque gun 200 can reduce the positioning accuracy requirements and can improve the efficiency of aligning the battery fasteners 90.

As shown in fig. 1 to 12, an automatically resetting torque gun head may be disposed in the torque gun 200 for locking and unlocking the battery replacement pack, and the torque gun head includes: a sleeve device 300 and an elastic return assembly 70, wherein the sleeve device 300 is used for receiving external torque and applying torque to the battery fastener 90, the sleeve device 300 comprises a sleeve part 40 and a shaft connecting part 50, the upper end of the shaft connecting part 50 is connected with the lower end of the sleeve part 40 in a swinging mode, and the sleeve part 40 can swing relative to the shaft connecting part 50; the elastic restoring component 70 is sleeved on the outer peripheral surface of the sleeve device 300 and is used for restoring the sleeve portion 40 to a position where the axis of the sleeve portion 40 coincides with the axis of the shaft connecting portion 50. The sleeve portion 40 can swing relative to the axial direction of the shaft connecting portion 50, so that the movable range of the sleeve portion 40 can be enlarged, even if the relative positioning of the sleeve portion 40 and the battery fastener 90 is wrong, the battery fastener 90 can still be clamped by the swinging sleeve portion 40, the elastic resetting component 70 drives the axial line of the sleeve portion 40 to be coincident with the axial line of the shaft connecting portion 50, the axial line of the sleeve device 300 can be coincident with the axial line of the battery fastener 90, and therefore the twisting of the battery fastener 90 is achieved. The sleeve device 300 can reduce the requirement for positioning accuracy and can improve the efficiency of aligning the battery fasteners 90.

In one embodiment, when the torque gun 200 abuts against the battery fastener 90, the sleeve device 300 needs to swing if there is a positional deviation. After the swinging, the elastic resetting component 70 drives the axis of the sleeve part 40 to have a tendency of resetting at the position overlapped with the axis of the shaft connecting part 50, so that the excessive swinging of the angle is avoided in order to match with the battery fastener 90, and the torque gun head can be assisted to be matched and then to be righted in the battery fastener 90, and then the locking and unlocking operations of the battery fastener 90 are carried out.

The elastic restoring component 70 is sleeved on the outer peripheral surfaces of the sleeve portion 40 and the shaft connecting portion 50, so that the elastic restoring component applies an acting force inwards from the periphery, and the sleeve device 300 is restored conveniently.

An accommodating gap is formed between the inner side surface of the elastic reset component 70 and the outer peripheral surface of the sleeve portion 40, and the accommodating gap ranges from 1 mm to 2 mm.

In the present embodiment, the elastic restoring member 70 is a spring, and may be a rectangular spring. In other embodiments, as shown in fig. 13, the elastic restoring member 70 may also be a rubber sleeve, which is simple in structure and reliable in use.

In a specific embodiment, the sleeve portion 40 is connected to the coupling portion 50 by a pivot shaft, so that the upper end of the sleeve portion 40 can swing from the axis of the coupling portion 50 to the outside of the axis of the coupling portion 50. The swing is realized by the pivot shaft, and the structure is simple and reliable.

The lower end of the sleeve portion 40 has two lower connecting walls 41 arranged oppositely, the two lower connecting walls 41 have correspondingly arranged first pivot holes, and the pivot shaft is inserted into the first pivot holes.

An avoidance gap 31 is provided between the lower end of the sleeve portion 40 and the upper end of the coupling portion 50, and the avoidance gap 31 is provided to avoid interference with the swing of the sleeve portion 40, and can avoid interference with the swing.

As another specific embodiment, the sleeve device 300 further includes a connecting shaft 60, the sleeve portion 40 is connected to the shaft connecting portion 50 through the connecting shaft 60, the sleeve portion 40 is swingable with respect to the connecting shaft 60, and the connecting shaft 60 is swingable with respect to the shaft connecting portion 50.

The lower end of the sleeve portion 40 is pivotally connected to the first connecting shaft 60, the upper end of the pivot portion 50 is pivotally connected to the connecting shaft 60, and the swinging direction of the connecting shaft 60 with respect to the pivot portion 50 and the swinging direction of the sleeve portion 40 with respect to the connecting shaft 60 are not coplanar. The sleeve portion 40 can swing in any direction in the axial direction with respect to the connecting shaft portion 60 by the bidirectional pivot. The swinging directions of the shaft connecting part 50 and the sleeve part 40 are not coplanar, so that the shaft connecting part 50 and the sleeve part 40 can freely swing along multiple directions, the battery fastener 90 can be accurately matched, and friction is reduced.

In other embodiments, the connecting shaft 60 may also include a ball head portion and a ball groove portion which are in rolling fit, the upper end of the sleeve portion 40 is fixedly connected with one end of the connecting shaft 60, the lower end of the shaft connecting portion 50 is fixedly connected with the other end of the connecting shaft 60, and the sleeve portion 40 is sleeved on the outer circumferential surface of the connecting shaft 60. In this embodiment, the sleeve portion 40 swings in a plurality of directions. The rolling engagement of the ball head portion and the ball groove portion reduces friction, and improves the flexibility of the swing of the sleeve portion 40 and the shaft connecting portion 50.

In both embodiments, the upper end of the sleeve portion 40 is used for cooperating with a battery fastener 90 of the device to be recharged; the lower end of the coupling portion 50 is adapted to receive an external torque to rotate the sleeve portion 40; the upper end of the sleeve portion 40 can swing from the axis of the shaft coupling portion 50 toward the outside of the axis of the shaft coupling portion 50.

The upper end of the sleeve portion 40 is provided with a battery fastener 90 driving mating portion 42, and the upper end surface of the battery fastener 90 driving mating portion 42 is provided with a guide surface 43, the guide surface 43 being used for guiding the sleeve portion 40 to mate with a driving member in the battery fastener 90, so as to facilitate the guiding of the sleeve portion 40 to mate with the driving member in the battery fastener 90.

The outer peripheral surface of the sleeve portion 40 is provided with a stopper 44, and the stopper 44 serves to limit the depth of the sleeve portion 40 fitted to the battery fastener 90, thereby preventing the insertion from being excessively deep.

The stop 44 and the battery fastener 90 drive the mating portion to form a gun head that is removable relative to the sleeve portion 40.

The limiting table 44 is provided with a step surface 45, and the step surface 45 is used for being matched with an elastic mechanism on the periphery of the battery fastener 90.

The upper end of the sleeve portion 40 has a communication slot 46 or groove that cooperates to avoid the battery fastener 90, facilitating the avoidance of the battery fastener 90, such as a threaded rod, that is shaped to conform to the battery fastener 90 or larger than the fastener.

The shaft coupling portion 50 has a coupling hole 51 at a lower end thereof, and the external power output portion applies a torque to the shaft coupling portion 50 through the coupling hole 51 to apply an external force torque to the shaft coupling portion 50.

The torque gun 200 further comprises a power assembly 21, a base assembly 22 and an elastic member 23, wherein the power assembly 21 is mounted on the base assembly 22, an output shaft 27 of the power assembly 21 is in transmission connection with a shaft connecting portion 50, the shaft connecting portion 50 can move along the axial direction of the output shaft 27, the elastic member 23 acts on the sleeve device 300, and the elastic member 23 is used for driving the sleeve device 300 to be away from the power assembly 21.

The blocking table 24 is disposed on the outer peripheral surface of the shaft connecting portion 50, the elastic member 23 is a second spring, the second spring is sleeved on the outer periphery of the shaft connecting portion 50, and two ends of the second spring respectively abut against the shaft connecting portion 50 and the power assembly 21.

As an embodiment, as shown in fig. 5, the sleeve portion 40 is connected to the coupling portion 50 by a pivot shaft, and the upper end of the sleeve portion 40 is swingable from the axis of the coupling portion 50 toward the outside of the axis of the coupling portion 50. The swing is realized by the pivot shaft, the structure is simple and reliable, the sleeve portion 40 can pivot along the pivot shaft and the shaft connecting portion 50, and other pivoting methods can be adopted, which is not limited herein.

As a specific embodiment, the driving matching part 42 of the battery fastener 90 may be in an external hexagonal shape as a whole, and the upper end surface of the driving matching part 42 of the battery fastener 90 has an arc-shaped guide surface 43. The lower end of the battery fastener 90 driving matching part 42 is provided with a step surface 45, and a limit table 44 is arranged below the step surface 45. The diameter of the stopper table 44 is larger than the diameter of the step surface 45. Two downwardly extending connecting walls 41 are provided below the step surface 45. The sleeve portion 40 may also be hollow as a whole, the communication groove 46 extends downward from the upper end of the sleeve portion 40, the communication groove 46 is composed of an upper groove for avoiding the battery fastener 90 and a lower through groove for mounting the pivot shaft, or the connecting shaft 60 is pivotally connected to the sleeve portion 40.

As a specific embodiment, as shown in fig. 5, the sleeve device 300 further includes a connecting shaft 60, the sleeve portion 40 is connected to the shaft connecting portion 50 through the connecting shaft 60, the sleeve portion 40 is swingable with respect to the connecting shaft 60, the connecting shaft 60 is swingable with respect to the shaft connecting portion 50, and the connecting shaft 60 is capable of swinging the sleeve portion 40 in multiple directions.

In other embodiments, the sleeve portion 40 and the coupling portion 50 may be directly connected, and the sleeve portion 40 may swing in different directions with respect to the coupling portion 50. The sleeve portion 40 and the shaft coupling portion 50 may be connected by a pivot shaft.

As an embodiment, as shown in fig. 8, the entire connecting shaft 60 may be a rectangular parallelepiped, the connecting shaft 60 may be provided with two holes having different orientations, and the sleeve portion 40 and the coupling portion 50 may be pivotally provided on the connecting shaft 60.

In the present embodiment, the downwardly extending connecting walls 41 of the sleeve portion 40 are disposed to face each other, and the connecting shaft 60 can be inserted between the two connecting walls 41. The upper end of the coupling portion 50 also has a structure similar or identical to that of the connecting wall 41, and the connecting shaft 60 may be inserted into the coupling portion 50. The sleeve portion 40, the connecting shaft 60, and the coupling portion 50 are sequentially connected by a pivot shaft, and the sleeve portion 40 and the coupling portion 50 can swing in different directions with respect to the connecting shaft 60.

The power assembly 21 of the torque gun 200 may specifically include a motor assembly 26 and a speed reducer assembly 25, which are in transmission connection, a power output end of the motor assembly 26 is in transmission connection with a power input end of the speed reducer assembly 25, and a power output end of the speed reducer assembly 25 is used for outputting power to drive the sleeve device 300 to rotate.

The torque gun 200 may further include a linkage assembly having a power output of the motor assembly 26 drivingly connected to a power input of the linkage assembly, the power output of the linkage assembly being drivingly connected to the plurality of speed reducer assemblies 25. The motor assembly 26 may be embodied as a servo motor, facilitating flexible deployment.

The elastic member 23 is a second spring, the second spring is sleeved on the periphery of the coupling portion 50, and two ends of the second spring respectively abut against the coupling portion 50 and the lower side surface of the blocking table 24 of the sleeve device 300. In the battery replacement process, the second spring can drive the support sleeve device 300 to keep a vertical floating distance interval with the power device, pre-pressure is applied, the structural stability is improved, and the whole structure is simple and compact.

The inner side wall of the base component 22 is attached to at least one part of the outer side wall of the power device, and the lower end face of the base component 22 is fixed to the power device through a fixing piece, so that the structure is compact.

The lower end faces of the motor assembly 26, the speed reducer assembly 25 and the base assembly 22 are sequentially fixed by a fixing member.

Example 2

As shown in fig. 14 to 20, the present embodiment is an electrical robot 100, and is substantially the same as embodiment 1 except that the elastic restoring component 70 and the sleeve portion 40 of the present embodiment are as follows.

The elastic reset assembly 70 of the embodiment includes a spring 73 and a steel sleeve 71, the steel sleeve 71 is sleeved on the outer side of the sleeve device 300, and the spring 73 is arranged between the steel sleeve 71 and the sleeve device 300, so that the elastic reset assembly is simple in structure, capable of guaranteeing effective reset force to be applied to the sleeve device 300, convenient to install and reliable to use.

As an embodiment, the inner side surface of the upper end of the steel sleeve 71 is provided with the containing groove 72, the spring 73 is arranged in the containing groove 72, the structure is compact, the steel sleeve 71 can keep the stability of the sleeve part 40 of the torque gun 200 in the process of transmitting the external torque to the sleeve device 300, and the use is reliable. Preferably, the spring is a wave spring.

The sleeve part 40 comprises a sleeve head 47, a connecting sleeve 48 and a limiting pad 49, wherein the upper end of the sleeve head 47 is used for driving a battery fastener 90 of the equipment to be replaced to rotate; the sleeve head 47 is detachably connected with a connecting sleeve 48, and the lower end of the connecting sleeve 48 is used for driving a connecting part 50; the limiting pad 49 is sleeved outside the sleeve head 47, and the sleeve head 47 is detachably connected with the connecting sleeve 48. By arranging the sleeve part 40 as the sleeve head 47, the connecting sleeve 48 and the limiting pad 49 which are detachably connected, the sleeve part 40 can be repaired only by replacing the sleeve head 47 due to the fact that the sleeve head 47 is easy to wear, and the sleeve part 40 is prevented from being integrally replaced.

The limiting pad 49 can be made of polytetrafluoroethylene, the steel sleeve 71 can be sleeved from top to bottom, installation is convenient, the steel sleeve 71 can keep the torque output by the power device to the sleeve device 300, the stability of the sleeve part 40 of the torque gun is guaranteed, and the limiting pad 49 can prevent the sleeve part from being inserted too deeply into the battery fastener 90. The lower extreme of pullover 47 is equipped with transmission piece 471, and the upper end of adapter sleeve 48 has transmission groove 481, and transmission piece 471 card is located transmission groove 481. The transmission block 471 and the transmission groove 481 are used for realizing the transmission connection between the sleeve head 47 and the connecting sleeve 48, and the structure is simple and reliable.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. The utility model provides an automatic moment of torsion rifle head that resets sets up in trading the moment of torsion rifle of battery package locking and unlocking which characterized in that, the moment of torsion rifle head includes:

the sleeve device is used for receiving external torque and applying torque to the battery fastener and comprises a sleeve part and a shaft connecting part, wherein the upper end of the shaft connecting part is connected with the lower end of the sleeve part in a swinging mode, so that the sleeve part can swing relative to the shaft connecting part;

the elastic resetting component is sleeved on the outer peripheral surface of the sleeve device and used for resetting the sleeve part to the position where the axis of the sleeve part is overlapped with the axis of the shaft connecting part.

2. The torque gun head according to claim 1, wherein the elastic return assembly is sleeved on the outer peripheral surfaces of the sleeve portion and the coupling portion.

3. The torque gun head according to claim 1, wherein a receiving gap is provided between the inner side surface of the resilient return assembly and the outer peripheral surface of the sleeve portion, the receiving gap being in the range of 1 to 2 mm.

4. The torque gun head according to claim 1, wherein the resilient return member is a first spring or a rubber sleeve.

5. The torque gun head according to claim 1, wherein the resilient return assembly comprises a spring and a steel sleeve, the steel sleeve being disposed outside the sleeve arrangement, the spring being disposed between the steel sleeve and the sleeve arrangement.

6. A torque gun head according to claim 5, wherein the inner side of the upper end of the steel sleeve is provided with a receiving recess and the spring is located in the receiving recess.

7. The torque lance head according to claim 1, wherein the sleeve portion is connected to the shaft connection portion by a pivot shaft such that an upper end of the sleeve portion is swingable from an axis of the shaft connection portion in a direction outside the axis of the shaft connection portion.

8. The torque lance head according to claim 7, wherein the sleeve portion has two oppositely disposed lower connecting walls at a lower end thereof, the two lower connecting walls having correspondingly disposed first pivot holes in which the pivot shafts are inserted.

9. The torque gun head according to claim 1, wherein an escape gap is provided between the lower end of the sleeve portion and the upper end of the shaft coupling portion, the escape gap being adapted to avoid interference with the swinging movement of the sleeve portion.

10. The torque gun head according to claim 1, wherein the upper end of the sleeve portion is adapted to engage a battery fastener of a device to be powered; the lower end of the shaft connecting part is used for receiving external torque to rotate so as to drive the sleeve part to rotate; the upper end of the sleeve portion is swingable in a direction outside the axis of the coupling portion from the axis of the coupling portion.

11. The torque gun head according to claim 1, wherein the upper end of the sleeve portion is provided with a battery fastener driving engagement portion, the upper end face of which is provided with a guide surface for guiding the sleeve portion into engagement with a drive member in the battery fastener.

12. The torque gun head according to claim 1, wherein the sleeve portion has a stop on its outer periphery for limiting the depth to which the sleeve portion fits into the battery fastener.

13. The torque gun head according to claim 12, wherein the stop block and the battery fastener drive mating portion comprise a gun head which is removable with respect to the sleeve portion.

14. The torque gun head according to claim 12, wherein the stop block is provided with a step surface for mating with resilient means on the periphery of the battery fastener.

15. A torque gun head according to claim 1, wherein the sleeve portion has a channel or recess in its upper end face for co-operating with a fastener for securing the battery.

16. The torque gun head according to claim 1, wherein the coupling portion has a coupling hole at a lower end thereof, and the external power take-off portion applies a torque to the coupling portion through the coupling hole to apply an external force torque to the coupling portion.

17. The torque lance head according to claim 1, wherein the sleeve arrangement further comprises a connecting shaft, the sleeve portion being connected to the shaft connection by the connecting shaft, the sleeve portion being swingable relative to the connecting shaft, and the connecting shaft being swingable relative to the shaft connection.

18. The torque lance head according to claim 17, wherein the sleeve portion is pivotally connected at a lower end thereof to the connecting shaft, and the axle coupling portion is pivotally connected at an upper end thereof to the connecting shaft, the direction of oscillation of the connecting shaft relative to the axle coupling portion and the direction of oscillation of the sleeve portion relative to the connecting shaft being non-coplanar.

19. The torque spearhead of claim 17, wherein the connecting shaft comprises a ball head portion and a ball groove portion which are in rolling fit, the upper end of the sleeve portion is fixedly connected with one end of the connecting shaft, the lower end of the shaft connecting portion is fixedly connected with the other end of the connecting shaft, and the sleeve portion is sleeved on the outer peripheral surface of the connecting shaft.

20. A torque gun, characterized in that it comprises a torque gun head according to any one of claims 1-19.

21. The torque gun of claim 20, further comprising a power assembly, a base assembly, and a resilient member, wherein the power assembly is mounted to the base assembly, an output shaft of the power assembly is drivingly connected to the coupling, the coupling is movable along an axis of the output shaft, and the resilient member acts on the sleeve means, the resilient member being configured to urge the sleeve means away from the power assembly.

22. The torque gun according to claim 21, wherein the coupling portion has a stop at an outer peripheral surface thereof, the resilient member is a second spring, the second spring is sleeved on the outer peripheral surface of the coupling portion, and two ends of the second spring respectively abut against the coupling portion and the power assembly.

23. A robot for replacing electric power, comprising a lifting platform and a torque gun mounting plate arranged on the lifting platform, wherein at least one torque gun as claimed in any one of claims 20 to 22 is arranged on the torque gun mounting plate.