CN210710398U

CN210710398U - Automobile body hoist between station

Info

Publication number: CN210710398U
Application number: CN201921615068.5U
Authority: CN
Inventors: 姬小龙; 黄靖; 宋建懿
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-09
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses an automobile body hoist between station, including from walking dolly, hoist frame, lift drive, tongs assembly and an at least guide bar, the hoist frame includes link, well link and lower link, from walking the dolly install in go up the link top, go up the link bottom with fixed connection can be dismantled at well link top, fixed connection can be dismantled in the tongs assembly in link bottom down, lift drive top fixed connection in link bottom and its drive shaft fixed connection in down on the link top, the guide bar passes well link bottom and its bottom fixed connection in on the link top down, can slide from walking the dolly and connect on the workshop top. The utility model discloses a body hoist between stations realizes the full-automatic transport of body hoist between stations, avoids artifical supplementary promotion, improves production efficiency; the labor intensity is reduced, and the method is safe and reliable.

Description

Automobile body hoist between station

Technical Field

The utility model relates to a technical field is made to the automobile body, especially relates to an automobile body hoist between station.

Background

The lifting appliance is used more on an automobile body sub-assembly production line, and a common lifting appliance structure comprises a hoist suspension type lifting appliance and an air cylinder lifting type lifting appliance. The hoist suspension type lifting appliance consists of a hoist, a cable chain and a clamp part which are used for driving lifting, has low requirements on space conditions of a use site, simple structure, easy manufacture, low cost and especially wide use, and adopts manual pushing and conveying among stations. Another kind of cylinder over-and-under type hoist comprises cylinder, single guide bar and the anchor clamps part that the drive goes up and down, and this structural style's hoist can the rigidity go up and down, makes the part avoid the hoist to rock the part deformation that the collision leads to, generally uses in side wall sub-assembly production line, and its cost is higher, adopts the manual work to promote the transport between the station. The two existing sling structures have the following defects: (1) the horizontal conveying of the lifting appliance is pushed by manpower, the labor intensity of workers is high, and the man-machine engineering is poor; (2) the lifting appliance with non-rigid lifting has the advantages that parts are not easy to put in place, manual auxiliary adjustment is needed, and the production efficiency is low.

Disclosure of Invention

The utility model is completed for solving the defects in the prior art, and the utility model aims to provide a lifting appliance for the body between stations, which has the advantages that the full-automatic conveying of the lifting appliance for the body between stations is realized, the manual auxiliary pushing is avoided, and the production efficiency is improved; the labor intensity is reduced, and the method is safe and reliable.

The utility model discloses an automobile body hoist between station, including from walking dolly, hoist frame, lift drive, tongs assembly and an at least guide bar, the hoist frame includes link, well link and lower link, from walking the dolly install in go up the link top, go up the link bottom with fixed connection can be dismantled at well link top, fixed connection can be dismantled in the tongs assembly in link bottom down, lift drive top fixed connection in link bottom and its drive shaft fixed connection in down on the link top, the guide bar passes well link bottom and its bottom fixed connection in on the link top down, can slide from walking the dolly and connect on the workshop top.

The utility model discloses an automobile body hoist between station can also be:

the guide rods are three, the bottoms of the three guide rods are fixedly connected to the top of the lower connecting frame, and the three guide rods are distributed in a triangular shape.

The middle connecting frame is provided with a guide sleeve in a penetrating mode, the guide rod penetrates through the guide sleeve, the guide rod is sleeved with a spring, and the bottom of the spring is located on the top of the guide sleeve.

And an anti-falling mechanism is arranged between the middle connecting frame and the hand grip assembly.

The anti-falling mechanism comprises an air cylinder, a connecting shaft, a mounting seat, two safety hooks, two safety lock hooks and two shaft sleeve supports, wherein the air cylinder is hinged on the mounting seat, the driving end of the air cylinder is connected with the connecting shaft, the two shaft sleeve supports are detachably and fixedly connected on the mounting seat, the mounting seat is connected on a hanger frame, two ends of the connecting shaft penetrate through the two shaft sleeve supports, the connecting shaft is rotatably connected in the two shaft sleeve supports through the air cylinder, the two safety hooks respectively comprise a first hook and a second hook detachably and fixedly connected with the first hook, the second hook is detachably and fixedly connected with a gripper assembly, the safety lock hooks comprise a first lock hook and a second lock hook detachably and fixedly connected with the first lock hook, and the two second lock hooks are respectively detachably locked and connected on two ends of the connecting shaft, the first hook is releasably locked in connection with the first hook, and the second hook is releasably locked in connection with the second hook.

Stop pin locking holes are formed in the two ends of the connecting shaft, and the second lock hook can be detachably inserted into the stop pin locking holes in the two ends of the connecting shaft through a lock pin.

The two second hooks are detachably connected to the two ends of the gripper assembly through bolts respectively.

The self-walking trolley is detachably and fixedly connected with a connecting end, and the connecting end in the lifting appliance is connected with the connecting end in the adjacent lifting appliance through a fixing rod.

The utility model discloses an automobile body hoist between station, including from walking dolly, hoist frame, lift drive, tongs assembly and an at least guide bar, the hoist frame includes link, well link and lower link, from walking the dolly install in go up the link top, go up the link bottom with fixed connection can be dismantled at well link top, fixed connection can be dismantled in the tongs assembly in link bottom down, lift drive top fixed connection in link bottom and its drive shaft fixed connection in down on the link top, the guide bar passes well link bottom and its bottom fixed connection in on the link top down, can slide from walking the dolly and connect on the workshop top. Like this, play the operation structure from walking dolly, its concrete structure is comparatively common, is prior art. The self-walking trolley mainly comprises a servo motor, a gear rack, a walking wheel, a guide wheel and the like, wherein the servo motor, the gear rack, the walking wheel and the guide wheel are all arranged on an upper connecting frame of a lifting appliance frame through bolts. Wherein, the self-forming trolley drives the hanger frame, the gripper assembly and the like to slide and move on the top of the workshop through the H-shaped guide rail. The lifting appliance frame provides mounting points for the installation of the lifting driving device, the gripper assembly and the anti-falling mechanism. The lifting driving device is used for driving the lower connecting frame to descend or ascend. The gripper assembly is used for clamping parts, the gripping part is arranged on the gripper assembly, the gripping part is detachably mounted on the gripper assembly, the gripping part can be rapidly switched according to the requirements of different parts, compatibility of different parts is achieved, and then flexible production is achieved. The hanger frame comprises an upper connecting frame, a middle connecting frame and a lower connecting frame, wherein the self-forming trolley is arranged on the top of the upper connecting frame, and the self-forming trolley can be connected through bolts. Go up link bottom and well link top demountable installation, easy to assemble and connection. The hand grip assembly is detachably arranged on the bottom of the lower connecting frame, and is convenient to install and connect. The top of the lifting driving device is arranged on the middle connecting bottom, and a driving shaft of the lifting driving device is connected with the top of the lower connecting frame. The guide rod penetrates through the middle connecting bottom and extends to be connected to the top of the lower connecting frame, and the guide rod plays a role in guiding. When the lifting driving device drives the lower connecting frame to drive the gripper assembly to move up or down, the situations that the gripper assembly shakes and parts fall out of place can be avoided. By arranging the self-walking trolley, the lifting driving device and the gripper assembly, the full-automatic conveying of the body lifting appliance between stations can be realized, manual auxiliary pushing is avoided, and the production efficiency is improved; the labor intensity is reduced, and the method is safe and reliable. The utility model discloses an automobile body hoist between station, the advantage that has for prior art is: the full-automatic conveying of the car body lifting appliance between stations is realized, the manual auxiliary pushing is avoided, and the production efficiency is improved; the labor intensity is reduced, and the method is safe and reliable.

Drawings

Fig. 1 the utility model relates to a car body hoist side schematic diagram between station.

Fig. 2 is a schematic view of a self-forming trolley according to the present invention.

Fig. 3 is a schematic view of the middle connection frame of the present invention.

Fig. 4 is a schematic view of the lower link and the gripper assembly of the present invention.

Fig. 5 is a partial schematic view of the present invention.

Fig. 6 is a schematic view of the fall protection mechanism of the present invention.

Fig. 7 is a partial schematic view of the fall protection mechanism of the present invention.

Figure 8 is another partial schematic view of the fall arrest mechanism of the present invention.

Figure 9 is a side view of the mounting base of the fall arrest mechanism of the present invention.

Fig. 10 is a top view of the mounting seat of the fall protection mechanism of the present invention.

Fig. 11 is a three-view of the shaft sleeve support of the fall-preventing mechanism of the present invention.

Fig. 12 is a three-view diagram of the safety latch hook of the fall protection mechanism of the present invention.

Fig. 13 is a schematic view of the connection between a plurality of spreaders.

Description of the figures

1. A self-walking trolley; 11. a connecting end; 2. a spreader frame; 21. an upper connecting frame; 22. a middle connecting frame; 23. a lower connecting frame; 3. a lift drive; 4. a gripper assembly; 5. a guide bar; 6. a guide sleeve; 7. a spring; 8. a fall prevention mechanism; 81. a cylinder; 82. a connecting shaft; 821. a stop pin locking hole; 83. a mounting seat; 831. a hinged end; 84. a safety hook; 841. a first hook; 842. a second hook; 85. a safety latch hook; 851. a first latch hook; 852. a second latch hook; 86. a shaft sleeve support; 9. and (5) fixing the rod.

Detailed Description

The following describes a body hanger between stations in further detail with reference to fig. 1 to 13 of the accompanying drawings.

The utility model relates to a lifting appliance for a vehicle body between stations, which is shown in the relevant figures of figures 1 to 13 and comprises a self-walking trolley 1, a lifting appliance frame 2, a lifting driving device 3, a gripper assembly 4 and at least one guide rod 5, the hanger frame 2 comprises an upper connecting frame 21, a middle connecting frame 22 and a lower connecting frame 23, the self-walking trolley 1 is arranged at the top of the upper connecting frame 21, the bottom of the upper connecting frame 21 is detachably and fixedly connected with the top of the middle connecting frame 22, the gripper assembly 4 is detachably and fixedly connected with the bottom of the lower connecting frame 23, the top of the lifting driving device 3 is fixedly connected to the bottom of the middle connecting frame 22 and the driving shaft thereof is fixedly connected to the top of the lower connecting frame 23, the guide rod 5 penetrates through the bottom of the middle connecting frame 22, the bottom of the guide rod is fixedly connected to the top of the lower connecting frame 23, and the self-walking trolley 1 can be connected to the top of a workshop in a sliding mode. Like this, play the operation structure from walking dolly 1, its concrete structure is comparatively common, is prior art. The self-walking trolley 1 mainly comprises a servo motor, a gear rack, a walking wheel, a guide wheel and the like, wherein the servo motor, the gear rack, the walking wheel and the guide wheel are all arranged on an upper connecting frame 21 of the lifting appliance frame 2 through bolts. Wherein, the self-walking trolley 1 drives the lifting appliance frame 2, the gripper assembly 4 and the like to slide on the top of the workshop through the H-shaped guide rail. The lifting appliance frame 2 provides mounting points for the installation of the lifting drive device 3, the gripper assembly 4 and the anti-falling mechanism 8. The lifting driving device 3 is used for driving the lower connecting frame 23 to descend or ascend. The gripper assembly 4 is used for clamping parts, the gripper assembly 4 is provided with a clamping part, the clamping part is detachably mounted on the gripper assembly 4, the clamping part can be rapidly switched according to the requirements of different parts, compatibility of different parts is achieved, and flexible production is achieved. The spreader frame 2 comprises an upper attachment frame 21, a middle attachment frame 22 and a lower attachment frame 23, wherein the self-propelled carriage 1 is mounted on top of the upper attachment frame 21, the attachment of which can be by bolting. The bottom of the upper connecting frame 21 and the top of the middle connecting frame 22 are detachably mounted, so that the mounting and the connection are convenient. The hand grip assembly 4 is detachably arranged at the bottom of the lower connecting frame 23, and is convenient to install and connect. The top of the lifting driving device 3 is arranged on the middle connecting bottom, and the driving shaft of the lifting driving device 3 is connected with the top of the lower connecting frame 23. The guide rod 5 penetrates through the bottom of the middle connecting frame and extends to be connected to the top of the lower connecting frame 23, and the guide rod 5 plays a role in guiding. When the lifting driving device 3 drives the lower connecting frame 23 to drive the gripper assembly 4 to move up or down, the situations that the gripper assembly 4 shakes and parts fall out of place can be avoided. By arranging the self-walking trolley 1, the lifting driving device 3 and the gripper assembly 4, the full-automatic conveying of the body lifting appliance between stations can be realized, manual auxiliary pushing is avoided, and the production efficiency is improved; the labor intensity is reduced, and the method is safe and reliable. The utility model discloses an automobile body hoist between station, the advantage that has for prior art is: the full-automatic conveying of the car body lifting appliance between stations is realized, the manual auxiliary pushing is avoided, and the production efficiency is improved; the labor intensity is reduced, and the method is safe and reliable. Preferably, the lifting driving device 3 may be a lifting cylinder.

The utility model discloses a car body hoist between station please refer to each relevant picture of fig. 1-13, on the basis of preceding technical scheme can also be three guide bars 5, three 5 bottoms of guide bars all fixed connection in on 23 tops of lower link, three guide bars 5 are triangle-shaped and distribute. Therefore, the three guide rods 5 are adopted to connect the gripper assembly 4 and the lifting appliance frame 2, so that the gripper assembly 4 is stable and does not shake. The mounting points of the three guide bars 5 form a triangle, and the triangle has stability. The further preferred technical scheme is as follows: the middle connecting frame 22 is provided with a guide sleeve 6 in a penetrating mode, the guide rod 5 is sleeved with a spring 7, and the bottom of the spring 7 is located on the top of the guide sleeve 6. In this way, the guide sleeve 6 is mounted through the middle connecting frame 22, the guide rod 5 passes through the guide sleeve 6, the spring 7 is sleeved on the guide rod 5, and the bottom of the spring is positioned on the top of the guide sleeve 6. The spring 7 plays a role in buffering, and when the lifting driving device 3 drives the guide rod 5 to extend to the longest length, the spring 7 can play a role in buffering the guide rod 5.

The utility model discloses a car body hoist between station please refer to each relevant picture of fig. 1-13, on the basis of the preceding technical scheme can also be that fall-preventing mechanism 8 is arranged between well link 22 and tongs assembly 4. Therefore, the anti-falling mechanism 8 is arranged between the middle connecting frame 22 and the gripper assembly 4, and the whole-process protection can be realized in the use process of the vehicle body lifting appliance between stations. When the gripper assembly 4 operates under a load, the first latch hook 851 locks the first hook 841; when the gripper is in idle operation, the second latch hook 852 catches the second latch 842. The further preferred technical scheme is as follows: the anti-falling mechanism 8 comprises an air cylinder 81, a connecting shaft 82, a mounting seat 83, two safety hooks 84, two safety hooks 85 and two shaft sleeve supports 86, wherein the air cylinder 81 is hinged on the mounting seat 83, the driving end of the air cylinder 81 is connected with the connecting shaft 82, the two shaft sleeve supports 86 are detachably and fixedly connected on the mounting seat 83, the mounting seat 83 is connected on the hanger frame 2, two ends of the connecting shaft 82 penetrate through the two shaft sleeve supports 86, the connecting shaft 82 is rotatably connected in the two shaft sleeve supports 86 through the air cylinder 81, the two safety hooks 84 respectively comprise a first hook 841 and a second hook 842 detachably and fixedly connected with the first hook 841, the second hook 842 is detachably and fixedly connected with the gripper assembly 4, the safety hooks 85 comprise a first hook 851 and a second hook 852 detachably and fixedly connected with the first hook 851, the two second locking hooks 852 are releasably locked and connected to two ends of the connecting shaft 82, respectively, the first locking hook 851 is releasably locked and connected to the first hook 841, and the second locking hook 852 is releasably locked and connected to the second hook 842. Thus, the anti-falling mechanism 8 comprises an air cylinder 81, a connecting shaft 82, a mounting seat 83, a safety hook 84, a safety lock hook 85 and a shaft sleeve bracket 86, wherein the air cylinder 81 provides power for the rotation of the connecting shaft 82. The cylinder 81 is hinged to the mounting seat 83, and the specific manner of hinge is not limited. The driving end of the cylinder 81 is connected with the connecting shaft 82, and the connection can be other connection modes. The mounting seat 83 provides a mounting location for two bushing brackets 86 and one cylinder 81. Two shaft sleeve supports 86 are detachably mounted on the mounting base 83, and installation and maintenance are convenient. The mounting seat 83 is fixedly connected to the spreader frame 2, and the connection may be other connection methods. The connecting shaft 82 passes through the two bushing holders 86 and is rotatably connected to the bushing holders 86. The two bushing brackets 86 provide mounting points for the connection shaft 82 to be mounted, while allowing the connection shaft 82 to move coaxially. The cylinder 81 drives the connecting shaft 82 to rotate, thereby driving the safety latch 85 to open and close. The number of the safety hooks 84 is two, and the safety hooks 84 include a first hook 841 and a second hook 842. The first hook 841 is at a high position, namely a high position hook; the second hook 842 is in a low position, i.e. a low position hook, i.e. the height of the first hook 841 is higher than the height of the second hook 842. The first hook 841 and the second hook 842 can be detachably connected, and are convenient to install and disassemble. The second hook 842 of one safety hook 84 is detachably mounted at one end of the grip assembly 4, and the second hook 842 of the other safety hook 84 is detachably mounted at the other end of the grip assembly 4, so that the safety hook is convenient to mount and dismount, and the safety hook and the grip assembly can be connected in other connection modes. The number of the safety latch hooks 85 is two, and the safety latch hooks 85 are double-row latch hooks, wherein the safety latch hook 85 includes a first latch hook 851 and a second latch hook 852. The second lock hook 852 of one safety lock hook 85 is releasably and lockingly mounted on one end of the connecting shaft 82, and the second lock hook 852 of the other safety lock hook 85 is releasably and lockingly mounted on the other end of the connecting shaft 82. During operation, the air cylinder 81 pushes the connecting shaft 82 to rotate, so that the first locking hook 851 and the second locking hook 852 are opened and closed. When the gripper is loaded, the first lock hooks 851 are locked at the first hooks 841; when the gripper is unloaded, the second latch hook 852 is locked to the second latch hook 842. When the safety lock hook 85 is opened, the gripper assembly 4 can be lifted; when the safety lock hook 85 is closed, the hand grip assembly 4 is locked and cannot lift, so that the purpose of secondary protection is achieved. When the safety hook 84 moves up and down with the gripper assembly 4, the safety hook 85 is not moved with the spreader frame 2, and the safety hook 85 rotates at the low position and the high position through the first locking hook 851 and the second locking hook 852 thereof respectively to lock the first hook 841 and the second hook 842 of the safety hook 84. The anti-falling mechanism 8 provides secondary protection for the conveying of a high position and a low position by arranging the safety lock hook 85 and the safety hook 84, meets the requirement that the lifting appliance frame 2 is conveyed at different positions of no load and load, and provides secondary protection in the whole process. When the lifting appliance frame 2 is in no-load state, the lifting appliance is conveyed at a high position or stopped at the high position, and when the lifting appliance frame is loaded, the lifting appliance is conveyed at a low position, so that the time of ascending and descending of the lifting appliance when the lifting appliance is loaded is saved, and the production efficiency is improved; when the hanger frame 2 is at a high position or a low position, the gripper assembly 4 of the hanger frame 2 is locked to prevent falling. Meanwhile, the anti-falling mechanism 8 is simple in use condition and wide in applicability. The more preferable technical scheme is as follows: the connecting shaft 82 is provided at both ends thereof with detent locking holes 821, and the second locking hook 852 is detachably inserted into the detent locking holes 821 at both ends of the connecting shaft 82 through a locking pin. Like this, seted up only round pin locking hole 821 on the connecting axle 82 both ends respectively, wherein only round pin locking hole 821 provides the mounting point for the locking round pin installation for second latch hook 852 can be installed and carry out the locking on connecting axle 82.

The utility model discloses a car body hoist between stations please refer to each relevant picture of fig. 1-13, on the basis of the preceding technical scheme can also be that two second couple 842 respectively through the bolt can dismantle connect in on 4 both ends of tongs assembly. Thus, one second hook 842 is bolted to one end of the gripper assembly 4 and the other second hook 842 is bolted to the other end of the gripper assembly 4. The safety hook 84 is mounted on the gripper assembly 4 by means of a bolt.

The utility model discloses a car body hoist between station please refer to each relevant picture of fig. 1-13, on the basis of preceding technical scheme can also be that can dismantle fixedly connected with link 11 on the dolly 1 of walking, link 11 in the hoist and adjacent link 11 in the hoist pass through dead lever 9 and connect. Thus, the connecting end 11 is arranged on the self-walking trolley 1, and the connecting end 11 plays a connecting role. Two adjacent connecting ends 11 are connected through a fixing rod 9, and the connecting mode can be realized through bolt connection. The automobile body hoist adopts "one drags many" mode, and a plurality of hoists adopt dead lever 9 to link to each other, by the unified drive walking of a motor on a plurality of hoists.

The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as falling within the scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. according to the design spirit of the present invention are made.

Claims

1. The utility model provides a car body hoist between station which characterized in that: comprises a self-walking trolley (1), a lifting appliance frame (2), a lifting driving device (3), a gripper assembly (4) and at least one guide rod (5), wherein the lifting appliance frame (2) comprises an upper connecting frame (21), a middle connecting frame (22) and a lower connecting frame (23), the self-walking trolley (1) is arranged at the top of the upper connecting frame (21), the bottom of the upper connecting frame (21) is detachably and fixedly connected with the top of the middle connecting frame (22), the gripper assembly (4) is detachably and fixedly connected with the bottom of the lower connecting frame (23), the top of the lifting driving device (3) is fixedly connected onto the bottom of the middle connecting frame (22) and a driving shaft thereof is fixedly connected onto the top of the lower connecting frame (23), the guide rod (5) penetrates through the bottom of the middle connecting frame (22) and the bottom thereof is fixedly connected onto the top of the lower connecting frame (23), the self-walking trolley (1) can be connected to the top of the workshop in a sliding mode.

2. The inter-station vehicle body sling according to claim 1, wherein: the number of the guide rods (5) is three, the bottoms of the guide rods (5) are fixedly connected to the top of the lower connecting frame (23), and the guide rods (5) are distributed in a triangular shape.

3. The inter-station vehicle body sling according to claim 2, wherein: the middle connecting frame (22) is provided with a guide sleeve (6) in a penetrating mode, the guide rod (5) is sleeved with a spring (7), and the bottom of the spring (7) is located on the top of the guide sleeve (6).

4. An inter-station body spreader according to any one of claims 1 to 3, wherein: an anti-falling mechanism (8) is arranged between the middle connecting frame (22) and the gripper assembly (4).

5. The inter-station vehicle body sling according to claim 4, wherein: the anti-falling mechanism (8) comprises an air cylinder (81), a connecting shaft (82), a mounting seat (83), two safety hooks (84), two safety hooks (85) and two shaft sleeve supports (86), the air cylinder (81) is hinged on the mounting seat (83), the driving end of the air cylinder (81) is connected with the connecting shaft (82), the two shaft sleeve supports (86) are detachably and fixedly connected on the mounting seat (83), the mounting seat (83) is connected on a hanger frame (2), two ends of the connecting shaft (82) are arranged in the two shaft sleeve supports (86) in a penetrating manner, the connecting shaft (82) is rotatably connected in the two shaft sleeve supports (86) through the air cylinder (81), and the two safety hooks (84) respectively comprise a first hook (841) and a second hook (842) detachably and fixedly connected with the first hook (841), the second hook (842) is detachably and fixedly connected with the gripper assembly (4), the safety lock hook (85) comprises a first lock hook (851) and a second lock hook (852) detachably and fixedly connected with the first lock hook (851), the two second lock hooks (852) are respectively connected to two ends of the connecting shaft (82) in a releasable locking manner, the first lock hook (851) is connected with the first hook (841) in a releasable locking manner, and the second lock hook (852) is connected with the second hook (842) in a releasable locking manner.

6. The inter-station vehicle body sling according to claim 5, wherein: stop pin locking holes (821) are formed in the two ends of the connecting shaft (82), and the second locking hook (852) can be detachably inserted into the stop pin locking holes (821) in the two ends of the connecting shaft (82) through locking pins.

7. The inter-station vehicle body sling according to claim 5, wherein: the two second hooks (842) are detachably connected to two ends of the gripper assembly (4) through bolts respectively.

8. An inter-station body spreader according to any one of claims 1 to 3, wherein: the self-walking trolley (1) is detachably and fixedly connected with a connecting end (11), and the connecting end (11) in the lifting appliance is connected with the adjacent connecting end (11) in the lifting appliance through a fixing rod (9).