CN220243734U - Assembly fixture for rear auxiliary frame assembly - Google Patents

Abstract

The utility model provides a rear auxiliary frame assembly assembling tool, which relates to the technical field of automobile tools and comprises a tool table, a first rear auxiliary frame positioning piece, a rear suspension swing arm positioning piece, a rear trailing arm support positioning piece and a rear brake assembly positioning piece which are arranged on the tool table, wherein two rear suspension swing arm positioning pieces, two rear trailing arm support positioning pieces and two rear brake assembly positioning pieces are respectively arranged, one rear suspension swing arm positioning piece, one rear trailing arm support positioning piece and one rear brake assembly positioning piece are positioned on one side of the first rear auxiliary frame positioning piece, and the other rear suspension swing arm positioning piece, the other rear trailing arm support positioning piece and the other rear brake assembly positioning piece are positioned on the other side of the first rear auxiliary frame positioning piece. According to the scheme, all parts forming the first rear auxiliary frame assembly are positioned and clamped through corresponding positioning pieces on the tool table, and then bolts among all the parts are screwed down, so that the assembly is simple and convenient, and the efficiency is high.

Description

Assembly fixture for rear auxiliary frame assembly

Technical Field

The utility model relates to the technical field of automobile tools, in particular to a rear auxiliary frame assembly assembling tool.

Background

The rear auxiliary frame assembly is one of important components of the automobile, and the assembly precision and the assembly consistency of the rear auxiliary frame assembly seriously influence the four-wheel positioning of the whole automobile. The rear auxiliary frame assembly of the hybrid vehicle generally comprises a rear auxiliary frame, a brake disc, a rear suspension swing arm and a trailing arm bracket, and the assembly scheme of the rear auxiliary frame assembly of the conventional hybrid vehicle comprises two types, wherein the first type is that the rear auxiliary frame is fixed on a rack, other parts such as the brake disc are hoisted to corresponding installation points of the rear auxiliary frame, and then are fastened by bolts, but the fastening operation difficulty of the parts is high, the assembly precision is low and the assembly consistency is poor in the hoisting gesture; secondly, relevant parts of a rear auxiliary frame assembly such as a rear auxiliary frame assembly, a brake disc and a rear suspension swing arm are pulled to a whole vehicle production line for assembly, and because all parts of the rear auxiliary frame assembly are required to be matched and positioned with a vehicle body at the same time, the assembly difficulty is high, the online debugging time is long, and the production beat of the production line is influenced.

Disclosure of Invention

The utility model aims to solve the technical problems of low assembly efficiency and poor consistency of the traditional rear auxiliary frame assembly.

In a first aspect, the utility model provides a rear subframe assembly assembling tool, which comprises a tool table, a first rear subframe positioning piece, a rear suspension swing arm positioning piece, a rear trailing arm support positioning piece and a rear brake assembly positioning piece which are arranged on the tool table, wherein two rear suspension swing arm positioning pieces, two rear trailing arm support positioning pieces and two rear brake assembly positioning pieces are respectively arranged, one rear suspension swing arm positioning piece, one rear trailing arm support positioning piece and one rear brake assembly positioning piece are positioned on one side of the first rear subframe positioning piece, and the other rear suspension swing arm positioning piece, the other rear trailing arm support positioning piece and the other rear brake assembly positioning piece are positioned on the other side of the first rear subframe positioning piece.

Compared with the prior art, the assembly tool for the rear auxiliary frame assembly has at least the following advantages:

the first rear subframe assembly comprises a first rear subframe, two rear suspension swing arms, two rear trailing arm brackets and two rear brake assemblies, wherein one rear suspension swing arm, one rear trailing arm bracket and one rear brake assembly can be positioned at the left side of the first rear subframe, the other rear suspension swing arm, the other rear trailing arm bracket and the other rear brake assembly can be positioned at the right side of the first rear subframe, the first rear subframe assembly can be a rear subframe assembly of an oil-hybrid vehicle, the first rear subframe positioning member is used for positioning the first rear subframe, the rear suspension swing arm positioning member, the rear trailing arm bracket positioning member and the rear brake assembly positioning member at two sides of the first rear subframe positioning member, such as the left side, are respectively used for positioning the left side rear suspension swing arm, the rear trailing arm bracket and the rear brake assembly, the rear suspension swing arm locating piece, the rear trailing arm support locating piece and the rear brake assembly locating piece on the right side are respectively used for locating the rear suspension swing arm, the rear trailing arm support and the rear brake assembly on the right side, the positions of the rear suspension swing arm locating piece, the rear trailing arm support locating piece and the rear brake assembly locating piece relative to the first rear auxiliary frame locating piece can be determined according to the placement positions of all parts in the first rear auxiliary frame assembly, before assembly, the parts of the first rear auxiliary frame, the rear suspension swing arm, the rear trailing arm support and the rear brake assembly can be located and clamped through corresponding locating pieces on a tool table respectively, and then bolts among all the parts are screwed tightly, so that the assembly of the first rear auxiliary frame assembly is realized, the assembly mode is simple and convenient, the assembly consistency of all the parts can be effectively ensured, and the assembly efficiency is improved.

Optionally, the first back sub vehicle frame setting element includes locating pin, first fixed stopper and first clamping mechanism, the locating pin is located the one end of frock platform and be used for with the locating hole grafting location on the first back sub vehicle frame, first fixed stopper is located the middle part of frock platform and be used for supporting the sub vehicle frame behind the first, first clamping mechanism is located the locating pin with between the first fixed stopper, and be used for with the sub vehicle frame compresses tightly behind the first.

Optionally, the rear trailing arm bracket locating piece includes second fixed stopper and second clamping mechanism, the second fixed stopper is located the tool table is kept away from the one end of locating pin, the second fixed stopper is used for supporting the rear trailing arm bracket, the second clamping mechanism is located one side of the second fixed stopper, and is used for with the rear trailing arm bracket presss from both sides tightly.

Optionally, the rear suspension swing arm positioning piece comprises a first movable positioning block, the rear brake assembly positioning piece comprises a second movable positioning block, and the first movable positioning block and the second movable positioning block are respectively used for rotating relative to the tool table to fall down.

Optionally, the assembly fixture for the rear subframe assembly further comprises a second rear subframe positioning member, and the second rear subframe positioning member is arranged on the fixture table.

Optionally, the second rear subframe positioning piece includes third movable locating piece, third fixed stopper and third clamping mechanism, the third movable locating piece is located rear suspension swing arm positioning piece is close to one side at frock platform middle part, the third movable locating piece be used for relative frock platform rotates in order to fall, the third movable locating piece be used for with the locating hole grafting location on the second rear subframe, the third fixed stopper with third clamping mechanism locates rear trailing arm support positioning piece one side, the third fixed stopper is used for supporting the second rear subframe, third clamping mechanism is used for with the second rear subframe presss from both sides tightly.

Optionally, the first clamping mechanism, the second clamping mechanism and the third clamping mechanism all include first base, first connecting rod, briquetting and handle, first base install in on the tool table, the one end of handle with the first department of first base rotates to be connected, first connecting rod with handle fixed connection, the one end of first connecting rod with the second department of first base rotates to be connected, the other end of first connecting rod with the briquetting is connected.

Optionally, the first movable locating piece the second movable locating piece and the third movable locating piece all include second base, second connecting rod, fixed pin and locating piece, the second base install in on the tool table, the inside cavity of second base, be equipped with first connecting hole on the circumference lateral wall of second base, the one end of second connecting rod be equipped with the corresponding second connecting hole of first connecting hole, the second connecting hole is along vertically extending's rectangular shape hole, the second connecting rod inserts the second base just the fixed pin inserts first connecting hole with the second connecting hole, the other end of second connecting rod is equipped with the locating piece, be equipped with the opening on the circumference lateral wall of second base, after the fixed pin is pulled out, the second connecting rod is used for towards opening one side is laid down.

Optionally, the tool table includes tool table body, tray and gyro wheel, be equipped with on the tray the sub vehicle frame setting element behind the first back suspension swing arm setting element behind the trailing arm support setting element and back stopper assembly setting element, the tray with the tool table body rotates to be connected, the gyro wheel is located on the tool table body and with the bottom contact of tray.

Optionally, the assembly fixture for the rear auxiliary frame assembly further comprises a rotation limiting pin, a plurality of first pin holes are formed in the tray, each first pin hole is arranged along the circumferential direction of a rotation connection point of the tray and the fixture table body, a plurality of second pin holes are formed in the fixture table body, each second pin hole is respectively and correspondingly arranged with the first pin hole, and the rotation limiting pin is used for being inserted into one of the first pin holes and the corresponding second pin hole.

Drawings

FIG. 1 is a schematic top view of a rear subframe assembly fixture according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of an assembly fixture for a rear subframe assembly according to an embodiment of the present utility model;

FIG. 3 is an exploded view of an assembly fixture for a rear subframe assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a first clamping mechanism according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a second movable positioning block according to an embodiment of the utility model.

Reference numerals illustrate:

1. a tooling table; 11. a tool table body; 111. a second pin hole; 12. a tray; 121. a first pin hole; 13. a roller; 2. a first rear subframe positioning member; 21. a positioning pin; 22. a first fixed limiting block; 23. a first clamping mechanism; 3. a rear suspension swing arm positioning member; 31. a first movable positioning block; 4. a rear trailing arm bracket locating piece; 41. a second fixed limiting block; 42. a second clamping mechanism; 5. a rear brake assembly positioning member; 51. a second movable positioning block; 6. a second rear subframe positioning member; 61. a third movable positioning block; 62. a third fixed limiting block; 63. a third clamping mechanism; 7. an operation handle; 81. a first base; 82. a first link; 83. briquetting; 84. a handle; 91. a second base; 911. an opening; 92. a second link; 93. a fixing pin; 94. and (5) positioning blocks.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," and "mated" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In addition, in the description of the present utility model, it should be noted that terms such as "upper", "lower", "front", "rear", etc. in the embodiments indicate terms of orientation, and only for simplifying the positional relationship of the description based on the drawings of the specification, it does not represent that the elements and devices etc. referred to must be operated according to the operations and methods and configurations defined in the specific orientation and limitation of the present utility model, and such orientation terms do not constitute limitations of the present utility model.

Herein, a coordinate system XYZ is established, wherein the X-axis represents the front of the automobile, the X-axis forward represents the rear of the automobile, the Y-axis reverse represents the left-right direction of the automobile, the Y-axis forward represents the left-right direction of the automobile, and the Z-axis reverse represents the up-down direction of the automobile, wherein the Z-axis forward represents the up-down direction of the automobile, and the Z-axis reverse represents the down direction of the automobile.

It should be noted that, in fig. 4, the broken line indicates another movement state schematic diagram of the clamping mechanism, and the pressing block is not shown in the figure; the broken line in fig. 5 shows another motion state of the movable positioning block.

As shown in fig. 1-2, the embodiment of the utility model provides a rear subframe assembly assembling fixture, which comprises a fixture table 1, a first rear subframe positioning piece 2, a rear suspension swing arm positioning piece 3, a rear trailing arm support positioning piece 4 and a rear brake assembly positioning piece 5 which are arranged on the fixture table 1, wherein two rear suspension swing arm positioning pieces 3, two rear trailing arm support positioning pieces 4 and two rear brake assembly positioning pieces 5 are respectively arranged, one rear suspension swing arm positioning piece 3, one rear trailing arm support positioning piece 4 and one rear brake assembly positioning piece 5 are positioned on one side of the first rear subframe positioning piece 2, and the other rear suspension swing arm positioning piece 3, the other rear trailing arm support positioning piece 4 and the other rear brake assembly positioning piece 5 are positioned on the other side of the first rear subframe positioning piece 2.

Specifically, the tooling table 1 provides an assembly table top, the first rear auxiliary frame positioning member 2 is located in the middle of the tooling table 1, and the rear suspension swing arm positioning member 3, the rear trailing arm support positioning member 4 and the rear brake assembly positioning member 5 on the left side of the first rear auxiliary frame positioning member 2 are symmetrically arranged with respect to the first rear auxiliary frame positioning member 2, and the rear suspension swing arm positioning member 3, the rear trailing arm support positioning member 4 and the rear brake assembly positioning member 5 on the right side of the first rear auxiliary frame positioning member 2.

In this embodiment, the first rear subframe assembly includes a first rear subframe, two rear suspension swing arms, two rear trailing arm brackets and two rear brake assemblies, one of which and one of which may be located on the left side of the first rear subframe, the other of which and the other of which may be located on the right side of the first rear subframe, the first rear subframe assembly may be a rear subframe assembly of an oil-hybrid vehicle, the first rear subframe positioning member 2 is used to position the first rear subframe, the rear suspension swing arm positioning member 3, the rear trailing arm bracket positioning member 4 and the rear brake assembly positioning member 5 on both sides of the first rear subframe positioning member 2, for example, on the left side are used to position the rear suspension, the rear trailing arm bracket and the rear brake assembly, respectively, the rear suspension swing arm positioning piece 3, the rear trailing arm bracket positioning piece 4 and the rear brake assembly positioning piece 5 on the right side are respectively used for positioning the rear suspension swing arm, the rear trailing arm bracket and the rear brake assembly on the right side, the positions of the rear suspension swing arm positioning piece 3, the rear trailing arm bracket positioning piece 4 and the rear brake assembly positioning piece 5 relative to the first rear auxiliary frame positioning piece 2 can be determined according to the placement positions of all parts in the first rear auxiliary frame assembly, before assembly, the parts of the first rear auxiliary frame, the rear suspension swing arm, the rear trailing arm bracket and the rear brake assembly are positioned and clamped through corresponding positioning pieces on a tool table respectively, and then bolts among all the parts are screwed tightly, so that the assembly of the first rear auxiliary frame assembly is realized, the assembly mode is simple and convenient, the assembly consistency of all the parts can be effectively ensured, and the assembly efficiency is improved.

As shown in fig. 1-2, optionally, the first rear subframe positioning member 2 includes a positioning pin 21, a first fixed limiting block 22, and a first clamping mechanism 23, where the positioning pin 21 is disposed at one end of the tooling table 1 and is used for plugging and positioning with a positioning hole on the first rear subframe, the first fixed limiting block 22 is disposed at the middle part of the tooling table 1 and is used for supporting the first rear subframe, and the first clamping mechanism 23 is located between the positioning pin 21 and the first fixed limiting block 22 and is used for compacting the first rear subframe.

Specifically, the positioning pin 21 may include a main positioning pin and an auxiliary positioning pin, where the main positioning pin and the auxiliary positioning pin are respectively located at the left side and the right side of the rear end of the tooling table 1, and the first rear auxiliary frame is provided with a main positioning hole and an auxiliary positioning hole, the main positioning pin is matched with the main positioning hole in shape and is used for being inserted into the main positioning hole, and the auxiliary positioning pin is matched with the auxiliary positioning hole in shape and is used for being inserted into the auxiliary positioning hole, so as to realize positioning of the first rear auxiliary frame on the tooling table; the first fixed limiting blocks 22 are provided with two left and right sides which are approximately positioned in the middle of the tool table 1, the first fixed limiting blocks 22 provide supporting surfaces for supporting the first rear auxiliary frame, and the shape of the first fixed limiting blocks 22 can be designed according to the shape of the corresponding position of the first rear auxiliary frame; the first clamping mechanism 23 is provided in two and between the two positioning pins 21. Here, the positioning pin 21, the first fixing stopper 22, and the first clamping mechanism 23 are fixedly connected to the tool table 1.

In this embodiment, after the first rear subframe is placed on the first fixed limiting block 22 in a correct posture and the main locating pin and the auxiliary locating pin are inserted into the main locating hole and the auxiliary locating hole on the first rear subframe, the first clamping mechanism 23 acts to compress the first rear subframe, so as to realize locating and clamping of the first rear subframe.

As shown in fig. 1-2, optionally, the rear trailing arm bracket positioning member 4 includes a second fixed limiting block 41 and a second clamping mechanism 42, where the second fixed limiting block 41 is disposed at an end of the tooling table 1 away from the positioning pin 21, the second fixed limiting block 41 is used for supporting the rear trailing arm bracket, and the second clamping mechanism 42 is disposed at one side of the second fixed limiting block 41 and is used for clamping the rear trailing arm bracket.

In this embodiment, the two rear trailing arm bracket positioning members 4 have the same structure, only one of which is used for illustration, and the position of the rear trailing arm bracket positioning member 4 relative to the first rear subframe positioning member 2 can be designed according to the position of the rear trailing arm bracket relative to the first rear subframe. The second fixed limiting block 41 provides a supporting surface to support the rear trailing arm bracket, the second fixed limiting block 41 can be designed according to the shape of the rear trailing arm bracket to be positioned, and after the rear trailing arm bracket is placed on the second fixed limiting block 41, the bolt between the rear trailing arm bracket and the first rear auxiliary frame is pre-tightened, and then the rear trailing arm bracket is clamped by the second clamping mechanism 42. Here, the second fixed stopper 41 and the second clamping mechanism 42 are fixedly connected with the tooling table 1.

As shown in fig. 1-2, optionally, the rear suspension swing arm positioning member 3 includes a first movable positioning block 31, the rear brake assembly positioning member 5 includes a second movable positioning block 51, and the first movable positioning block 31 and the second movable positioning block 51 are respectively used for rotating relative to the tool table 1 to be laid down.

In this embodiment, the two rear suspension swing arm positioning members 3 have the same structure, and only one of them is taken as an example for explanation, and the position of the rear suspension swing arm positioning member 3 relative to the first rear subframe positioning member 2 can be designed according to the position of the rear suspension swing arm relative to the first rear subframe. The first movable positioning block 31 provides a supporting surface to support the rear suspension swing arm, the rear suspension swing arm is placed on the first movable positioning block 31, and the mounting hole on the rear suspension swing arm is adjusted to be aligned with the mounting hole on the first rear subframe, and the bolt is inserted and pre-tightened. The two rear brake assembly positioning members 5 have the same structure, the position of the rear brake assembly positioning member 5 relative to the first rear subframe positioning member 2 can be designed according to the position of the rear brake assembly relative to the first rear subframe, the second movable positioning block 51 provides a supporting surface for supporting the rear brake assembly, and after the rear brake assembly is placed on the second movable positioning block 51, the mounting holes on the rear brake assembly correspond to the mounting holes on the first rear subframe, and bolts are inserted and pre-tightened. The second clamping mechanism 42 may be configured to clamp the rear trailing arm bracket after the rear trailing arm bracket and the rear brake assembly are respectively preloaded with the first rear subframe.

Here, the first movable positioning block 31 and the second movable positioning block 51 may be rotatably connected or detachably connected with the tool table 1, and the first movable positioning block 31 and the second movable positioning block 51 may be placed down relative to the tool table 1 or detached from the tool table 1 while providing a supporting force so as not to interfere with other uses of the tool table.

After each component part of the first rear subframe assembly is clamped and positioned by the corresponding positioning piece and the bolts are inserted into the corresponding mounting holes to be pre-tightened, the pre-tightened bolts are fastened according to the technological requirements, and then the first clamping mechanism 23 and the second clamping mechanism 42 are opened, so that the first rear subframe assembly is hoisted to the AGV trolley and assembled with the whole vehicle.

As shown in fig. 2, the assembly fixture for the rear subframe assembly optionally further comprises a second rear subframe positioning member 6, and the second rear subframe positioning member 6 is arranged on the fixture table 1.

In this embodiment, the second rear subframe assembly may be a fuel-vehicle rear subframe assembly, the second rear subframe assembly may include a second rear subframe, a left and right brake disc, a fuel pipeline, and the like, the second rear subframe positioning member 6 may be used to position the second rear subframe, the fuel-vehicle rear subframe assembly is simpler, only the fuel-vehicle rear subframe needs to be positioned, the brake disc is circular and can be directly positioned and installed, and other structures can be directly installed without positioning.

The positioning tool of the first rear auxiliary frame assembly and the positioning tool of the second rear auxiliary frame assembly (namely the second rear auxiliary frame positioning member 6) are integrated on the same tool table 1, the integration level is high, the tool cost is reduced, the use is convenient, and different tools can be used in a switching mode according to requirements so as to perform assembly positioning of the rear auxiliary frame assemblies of different vehicle types.

As shown in fig. 1-2, optionally, the second rear subframe positioning member 6 includes a third movable positioning block 61, a third fixed limiting block 62 and a third clamping mechanism 63, where the third movable positioning block 61 is disposed on a side of the rear suspension swing arm positioning member 3 near the middle of the tooling table 1, the third movable positioning block 61 is configured to rotate relative to the tooling table 1 to be placed down, the third movable positioning block 61 is configured to be inserted into and positioned with a positioning hole on the second rear subframe, the third fixed limiting block 62 and the third clamping mechanism 63 are disposed on a side of the rear trailing arm bracket positioning member 4, the third fixed limiting block 62 is configured to support the second rear subframe, and the third clamping mechanism 63 is configured to clamp the second rear subframe.

In this embodiment, two third movable positioning blocks 61 are provided, and are respectively located at the left side and the right side of the tooling table 1, two positioning holes are provided in the second rear subframe, two third movable positioning blocks 61 are respectively used for being inserted into the two positioning holes, two third fixed limiting blocks 62 are provided and are located between the two rear trailing arm bracket positioning members 4, the third fixed limiting blocks 62 provide supporting surfaces to support the second rear subframe, and two third clamping mechanisms 63 are provided and are respectively used for clamping the second rear subframe from the left side and the right side. After the second rear auxiliary frame is placed on the third fixed limiting block 62 and the third movable positioning block 61 is inserted into the positioning hole on the second rear auxiliary frame, the third clamping mechanism 63 clamps the second rear auxiliary frame, then related components such as a left brake disc and a right brake disc are respectively installed on the left side and the right side of the second rear auxiliary frame and are fastened, and after the third clamping mechanism 63 is loosened, the second rear auxiliary frame is lifted and placed on an AGV trolley, and the AGV trolley is transported to a production line to be assembled with the whole vehicle.

When the first rear subframe assembly is assembled, the first movable positioning block 31 and the second movable positioning block 51 are erected and supported, and the third movable positioning block 61 is laid down, so that the third movable positioning block 61 can be prevented from interfering with related parts of the first rear subframe assembly; when the second rear subframe assembly is assembled, the third movable positioning block 61 is erected and supported, and the first movable positioning block 31 and the second movable positioning block 51 are put down, so that the first movable positioning block 31 and the second movable positioning block 51 can be prevented from interfering with related parts of the second rear subframe assembly, and smooth assembly is ensured.

As shown in fig. 4, optionally, the first clamping mechanism 23, the second clamping mechanism 42, and the third clamping mechanism 63 each include a first base 81, a first connecting rod 82, a pressing block 83, and a handle 84, where the first base 81 is mounted on the tooling table 1, one end of the handle 84 is rotationally connected with a first position of the first base 81, the first connecting rod 82 is fixedly connected with the handle 84, one end of the first connecting rod 82 is rotationally connected with a second position of the first base 81, and the other end of the first connecting rod 82 is connected with the pressing block 83.

In this embodiment, the first base 81 is vertically disposed, the handle 84 may be rotatably connected to the first base 81 through a rotation shaft, the first link 82 may be fixed to the handle 84 through a fixing shaft, so that the handle 84 and the first base 81 rotate around a first rotation axis, the first link 82 and the first base 81 rotate around a second rotation axis, and the handle 84 drives the first link 82 to rotate around the second rotation axis when rotating around the first rotation axis, so as to drive the pressing block 83 to lift upwards to loosen the clamped component, or to press the component downwards.

The first clamping mechanism 23, the second clamping mechanism 42 and the third clamping mechanism 63 are respectively used for clamping the first rear subframe, the rear trailing arm bracket and the second rear subframe, the parts clamped by the different clamping mechanisms are different, and the shapes of the pressing blocks 83 of the different clamping mechanisms can be flexibly set according to the specific shapes of the parts so as to be matched with the shapes of the parts to be clamped.

As shown in fig. 5, optionally, the first movable positioning block 31, the second movable positioning block 51 and the third movable positioning block 61 each include a second base 91, a second connecting rod 92, a fixing pin 93 and a positioning block 94, where the second base 91 is mounted on the tooling table 1, the second base 91 is hollow, a first connecting hole is formed in a circumferential side wall of the second base 91, a second connecting hole corresponding to the first connecting hole is formed at one end of the second connecting rod 92, the second connecting hole is a strip-shaped hole extending vertically, the second connecting rod 92 is inserted into the second base 91, the fixing pin 93 is inserted into the first connecting hole and the second connecting hole, the other end of the second connecting rod 92 is provided with the positioning block 94, an opening 911 is formed in the circumferential side wall of the second base 91, and after the fixing pin 93 is pulled out, the second connecting rod 92 is used for being placed down towards one side of the opening 911.

In this embodiment, the second base 91 may be a hollow cylinder, the lower end of the second connecting rod 92 is inserted into the second base 91, the fixing pin 93 is inserted into the second connecting hole and the first connecting hole to fix the relative position of the second connecting rod 92 and the second base 91, the second connecting hole is a long strip hole extending along the Z-axis direction, and the cross-sectional shape of the long strip hole is greater than the fixing pin 93, so that the second connecting rod 92 can move vertically relative to the second base 91, and the supporting height of the positioning block 94 at the top of the second connecting rod 92 is adjusted to better adapt to the positioning of the automobile part. Of course, the first connecting hole is a long strip hole extending along the Z axis, and the adjusting principle is the same as the above, and will not be described again.

Here, by providing the opening 911 in the circumferential side wall of the second chassis 91, the second link 92 can be lowered toward the opening 911 after the fixing pin 93 is pulled out.

It should be noted that, the first movable positioning block 31, the second movable positioning block 51, and the third movable positioning block 61 are respectively used for positioning the rear suspension swing arm, the rear brake assembly, and the second rear subframe, the parts positioned by the different movable positioning blocks are different, and the shapes of the positioning blocks 94 of the different movable positioning blocks can be flexibly set according to the specific part shapes, so that the shapes of the positioning blocks are matched with the shapes of the parts to be positioned.

As shown in fig. 3, optionally, the tool table 1 includes a tool table body 11, a tray 12 and a roller 13, the tray 12 is provided with the first rear subframe positioning member 2, the rear suspension swing arm positioning member 3, the rear trailing arm bracket positioning member 4 and the rear brake assembly positioning member 5, the tray 12 is rotationally connected with the tool table body 11, and the roller 13 is disposed on the tool table body 11 and contacts with the bottom of the tray 12.

In this embodiment, the tray 12 is located above the tooling table body 11, the middle part of the tray 12 may be rotatably connected with the tooling table body 11 through a bearing, and when the first rear subframe assembly or the second rear subframe assembly is assembled, the tray 12 may be rotated, so that the automobile parts on different positioning members may be respectively rotated to the front of the operator, thereby facilitating the fastening of bolts and improving the assembly efficiency; further, the rollers 13 on the tool table body 11 are in contact with the bottom of the tray 12, and the rollers 13 can be arranged at intervals along the circumferential direction of the bearing, so that smooth rotation of the tray 12 is ensured.

As shown in fig. 3, optionally, the assembly fixture for the rear subframe assembly further includes a rotation limiting pin, a plurality of first pin holes 121 are formed in the tray 12, each first pin hole 121 is disposed along a circumferential direction of a rotation connection point of the tray 12 and the fixture table body 11, a plurality of second pin holes 111 are formed in the fixture table body 11, each second pin hole 111 is disposed corresponding to the first pin hole 121, and the rotation limiting pin is used for being inserted into one of the first pin holes 121 and the corresponding second pin hole 111.

In this embodiment, after the tray 12 rotates in place relative to the tool table body 11, the rotation limiting pins are inserted into the corresponding first pin holes 121 and the second pin holes 111, so that the tray 12 and the tool table body 11 are relatively fixed, and assembly of parts is facilitated. Illustratively, two first pin holes 121 are symmetrically arranged at two sides of a rotation connection point of the tray 12 and the tool table body 11, and initially, a rotation limiting pin is inserted into the first pin hole 121 at the left side and the corresponding second pin hole 111, after the assembly of the parts located in front of the operator is completed, the rotation limiting pin can be pulled up by the operating handle 7 shown in fig. 2 to manually push or electrically drive the tray 12 to rotate 180 ° so that the rear of the tray 12 rotates to the front of the operator, the first pin hole 121 at the right side rotates to the left side and corresponds to the second pin hole 111 at the left side, and the rotation limiting pin is vertically inserted in situ to lock the tray 12 and the tool table body 11.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a back sub vehicle frame assembly frock, its characterized in that includes frock platform (1) and locates first back sub vehicle frame setting element (2), back suspension swing arm setting element (3), back trailing arm support setting element (4), back stopper assembly setting element (5) on frock platform (1), back suspension swing arm setting element (3) back trailing arm support setting element (4) and back stopper assembly setting element (5) respectively are equipped with two, one of them back suspension swing arm setting element (3), one of them back trailing arm support setting element (4) and one of them back stopper assembly setting element (5) are located one side of first back sub vehicle frame setting element (2), another back suspension swing arm setting element (3), another back trailing arm support setting element (4) and another back stopper assembly setting element (5) are located the opposite side of first back sub vehicle frame setting element (2).

2. The assembly fixture for the rear subframe assembly according to claim 1, wherein the first rear subframe positioning member (2) comprises a positioning pin (21), a first fixing limiting block (22) and a first clamping mechanism (23), the positioning pin (21) is arranged at one end of the fixture table (1) and is used for being inserted and positioned with a positioning hole on the first rear subframe, the first fixing limiting block (22) is arranged at the middle part of the fixture table (1) and is used for supporting the first rear subframe, and the first clamping mechanism (23) is arranged between the positioning pin (21) and the first fixing limiting block (22) and is used for compacting the first rear subframe.

3. The assembly fixture for the rear subframe assembly according to claim 2, wherein the rear trailing arm bracket positioning member (4) comprises a second fixed limiting block (41) and a second clamping mechanism (42), the second fixed limiting block (41) is arranged at one end of the fixture table (1) away from the positioning pin (21), the second fixed limiting block (41) is used for supporting the rear trailing arm bracket, and the second clamping mechanism (42) is arranged at one side of the second fixed limiting block (41) and is used for clamping the rear trailing arm bracket.

4. A rear subframe assembly mounting fixture as claimed in claim 3, wherein the rear suspension swing arm positioning member (3) comprises a first movable positioning block (31), the rear brake assembly positioning member (5) comprises a second movable positioning block (51), and the first movable positioning block (31) and the second movable positioning block (51) are respectively used for rotating relative to the fixture table (1) to be laid down.

5. The rear subframe assembly mounting fixture according to claim 4, further comprising a second rear subframe positioning member (6), said second rear subframe positioning member (6) being provided on said fixture table (1).

6. The assembly fixture for the rear subframe assembly according to claim 5, wherein the second rear subframe positioning piece (6) comprises a third movable positioning block (61), a third fixed limiting block (62) and a third clamping mechanism (63), the third movable positioning block (61) is arranged on one side, close to the middle part of the fixture table (1), of the rear suspension swing arm positioning piece (3), the third movable positioning block (61) is used for rotating relative to the fixture table (1) to be placed down, the third movable positioning block (61) is used for being inserted into and positioned with a positioning hole on the second rear subframe, the third fixed limiting block (62) and the third clamping mechanism (63) are arranged on one side of the rear trailing arm bracket positioning piece (4), the third fixed limiting block (62) is used for supporting the second rear subframe, and the third clamping mechanism (63) is used for clamping the second rear subframe.

7. The assembly fixture for the rear subframe assembly according to claim 6, wherein the first clamping mechanism (23), the second clamping mechanism (42) and the third clamping mechanism (63) comprise a first base (81), a first connecting rod (82), a pressing block (83) and a handle (84), the first base (81) is mounted on the fixture table (1), one end of the handle (84) is rotatably connected with a first position of the first base (81), the first connecting rod (82) is fixedly connected with the handle (84), one end of the first connecting rod (82) is rotatably connected with a second position of the first base (81), and the other end of the first connecting rod (82) is connected with the pressing block (83).

8. The assembly fixture for the rear subframe assembly according to claim 6, wherein the first movable positioning block (31), the second movable positioning block (51) and the third movable positioning block (61) comprise a second base (91), a second connecting rod (92), a fixing pin (93) and a positioning block (94), the second base (91) is mounted on the fixture table (1), the second base (91) is hollow, a first connecting hole is formed in the circumferential side wall of the second base (91), a second connecting hole corresponding to the first connecting hole is formed in one end of the second connecting rod (92), the second connecting hole is a strip-shaped hole extending vertically, the second connecting rod (92) is inserted into the second base (91) and the fixing pin (93) is inserted into the first connecting hole and the second connecting hole, the other end of the second connecting rod (92) is provided with the positioning block (94), an opening (911) is formed in the circumferential side wall of the second base (91), and the fixing pin (911) is pulled out from the second connecting rod (93).

9. The assembly fixture for the rear subframe assembly according to claim 1, wherein the fixture table (1) comprises a fixture table body (11), a tray (12) and a roller (13), the tray (12) is provided with the first rear subframe positioning piece (2), the rear suspension swing arm positioning piece (3), the rear trailing arm support positioning piece (4) and the rear brake assembly positioning piece (5), the tray (12) is rotationally connected with the fixture table body (11), and the roller (13) is arranged on the fixture table body (11) and is in contact with the bottom of the tray (12).

10. The assembly fixture for the rear subframe assembly according to claim 9, further comprising a rotation limiting pin, wherein a plurality of first pin holes (121) are formed in the tray (12), each first pin hole (121) is arranged along the circumferential direction of a rotation connection point of the tray (12) and the fixture table body (11), a plurality of second pin holes (111) are formed in the fixture table body (11), each second pin hole (111) is respectively arranged corresponding to one first pin hole (121), and the rotation limiting pin is used for being inserted into one of the first pin holes (121) and the corresponding second pin hole (111).