A gearbox flexible assembly tray

Abstract

The utility model relates to a gearbox assembly tray, in particular to a gearbox flexible assembly tray, which solves the problem that when replacing gearboxes of different models in the existing gearbox assembly tray, a plurality of auxiliary support top columns need to be replaced to adapt to the change of the gearbox, which wastes time during replacement and reduces assembly efficiency. A center positioning seat is provided on the bottom plate of the tray of the utility model, which is respectively connected with the first, second and third front end positioning members to complete the clamping and positioning of the front end faces of the first, second and third gearbox housings; housing rear end positioning pin holes are respectively provided on the first and third housing support blocks, which are used to cooperate with the rear end face positioning pin shaft on the rear end face of the first gearbox housing to complete the rear end face positioning; a housing separation support block is also provided, and the clutch positioning stop openings provided on the housing separation support block are respectively used to cooperate with the outer edges of the first, second and third clutch housings to realize the positioning and clamping of the clutch housings, and the anti-rotation pin hole on the housing separation support block cooperates with the anti-rotation hole on the clutch housing to limit rotation.

Description

Technical Field

[0001] The utility model relates to a gearbox assembly tray, in particular to a gearbox flexible assembly tray. Background Art

[0002] In the automotive industry, the gearbox is one of the most important parts in the vehicle, and its assembly accuracy is of vital importance. The housing of a general gearbox includes a gearbox housing and a clutch housing, which are usually clamped on a gearbox assembly pallet during assembly. A positioning mechanism is provided on the gearbox assembly pallet to ensure the assembly accuracy of the gearbox housing and the clutch housing during assembly. However, the gearbox assembly pallets currently used are generally only suitable for gearboxes of the same type or similar structures, and cannot be used for gearboxes with large structural differences. For example, gearboxes with a single intermediate shaft structure and a double intermediate shaft structure generally cannot be produced on the same line.

[0003] The Chinese invention patent with application publication number CN107336173A discloses a clutch assembly pallet, including a pallet plate, on which a flange positioning sleeve of a step-shaped hollow cylinder is provided; the pallet plate is provided with three podium-step-shaped off-shell positioning plates evenly distributed with the flange positioning sleeve as the center; the pallet plate is provided with an off-shell auxiliary support column, which is divided into a first off-shell auxiliary support column, a second off-shell auxiliary support column and a first off-shell auxiliary support column according to their heights, and the off-shell auxiliary support column is composed of an auxiliary support bottom column and an auxiliary support top column; the pallet plate is provided with a directional pillar, which is divided into a first directional pillar, a second directional pillar and a third directional pillar according to their heights, and can adapt to three different clutches and two postures of positioning support for each clutch through a pallet, and can realize co-production of different types of gearboxes, but when replacing different models of gearboxes, the above invention patent needs to replace multiple auxiliary support top columns to adapt to the model changes of the gearbox, which wastes time during replacement and reduces assembly efficiency. Utility Model Content

[0004] The utility model aims to solve the problem that when replacing different types of gearboxes, a plurality of auxiliary supporting top columns need to be replaced to adapt to the change of the gearbox, which wastes working time and reduces assembly efficiency, and provides a flexible gearbox assembly tray.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A gearbox flexible assembly tray, which is special in that it includes a supporting assembly, a center positioning seat, a shell support block, a shell support block, a first front end positioning piece, a second front end positioning piece and a third front end positioning piece;

[0007] The supporting assembly includes a tray bottom plate, a center positioning seat is arranged on the tray bottom plate, a positioning ring groove for cooperating with the outer edges of the first front end positioning member, the second front end positioning member and the third front end positioning member is opened on the center positioning seat, and a center positioning pin hole is also opened on the center positioning seat;

[0008] There are four housing support blocks, which are arranged around the central positioning seat, wherein the first housing support block and the third housing support block are arranged diagonally and each of them is provided with a housing rear end positioning pin hole for cooperating with the rear end face positioning pin shaft on the rear end face of the first gearbox housing;

[0009] The first front end positioning member is respectively provided with a first center positioning pin for cooperating with the center positioning pin hole and a first front end surface positioning pin for cooperating with the positioning pin hole on the front end surface of the first gearbox housing; the first front end positioning member is also provided with a first positioning cylinder for cooperating with the bearing hole on the front end surface of the first gearbox housing;

[0010] The second front end positioning member is provided with a positioning stop for cooperating with a second positioning cylinder on the front end face of the second gearbox housing, and the tray bottom plate is provided with a second front end face positioning pin for cooperating with a process pin hole on the front end face of the second gearbox housing;

[0011] The third front end positioning member is provided with a third center positioning pin for cooperating with the center positioning pin hole and a third positioning cylinder for cooperating with the bearing hole on the front end face of the third gearbox housing, and the second housing support block is provided with a third front end face positioning pin for cooperating with the positioning pin hole on the front end face of the third gearbox housing;

[0012] The shell support block is an arc-shaped structure and is provided with two of them. The two shell support blocks are evenly distributed along the circumference with the central positioning seat as the center of the circle, and a clutch positioning stop is provided on the top thereof for cooperating with the outer edges of the first clutch housing, the second clutch housing and the third clutch housing, and an anti-rotation pin hole is provided on one of the shell support blocks, and the anti-rotation pin hole is used to cooperate with the anti-rotation holes on the first clutch housing, the second clutch housing and the third clutch housing.

[0013] Furthermore, the first front end positioning member includes a first annular body, the outer edge of the first annular body is used to cooperate with the positioning ring groove, the first positioning cylinder is arranged in the first annular body, and the first center positioning pin and the first front end face positioning pin are both located on the first annular body.

[0014] Furthermore, the second front end positioning member includes a base and a second annular body, the base and the second annular body are connected by bolts, and the outer edge of the second annular body is used to cooperate with the positioning ring groove; the outer wall of the base is provided with a first external boss, a second external boss and a third external boss in sequence from top to bottom, and the diameter of the first external boss is smaller than the diameter of the second external boss, and the diameter of the second external boss is smaller than the diameter of the third external boss; the inner wall of the second annular body abuts against the third external boss, and the height of the second annular body is higher than the height of the third external boss, and the inner wall of the second annular body constitutes the positioning stop.

[0015] Furthermore, the third front end positioning member includes a third annular body and a third positioning cylinder arranged in the third annular body, the outer edge of the third annular body is used to cooperate with the positioning ring groove, and the third center positioning pin is arranged on the third annular body.

[0016] Furthermore, the supporting assembly also includes a placement seat, a parts placement groove, an intermediate wheel placement block and a process board placement block arranged on the bottom plate of the tray, and the placement seat includes a first placement seat for placing a first front end positioning member, a second placement seat for placing a second front end positioning member and a third placement seat for placing a third front end positioning member.

[0017] Furthermore, a second front end face support column for supporting the front end face of the second gearbox housing is arranged on the tray bottom plate.

[0018] Furthermore, weight-reducing holes are provided on the shell support block, the first shell support block, the second shell support block, the third shell support block and the fourth shell support block.

[0019] Furthermore, four intermediate shaft positioning columns are arranged in a rectangular distribution on the bottom plate of the tray, including two front intermediate shaft positioning columns arranged diagonally and two rear intermediate shaft positioning columns arranged diagonally.

[0020] Furthermore, the clutch positioning stop includes a first positioning stop and a second positioning stop having different diameters.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] (1) The utility model provides a gearbox flexible assembly tray including a center positioning seat arranged on a tray bottom plate, the center positioning seat can be connected to a first front end positioning member, a second front end positioning member and a third front end positioning member respectively, wherein the first front end positioning member is used for positioning the front end face of a first gearbox housing, the second front end positioning member cooperates with a second front end face positioning pin arranged on the tray bottom plate to realize positioning the front end face of the second gearbox housing, the third front end positioning member cooperates with a third front end face positioning pin arranged on a second housing support block to realize positioning the front end face of the third gearbox housing, and the housing rear end positioning pin holes on the first housing support block and the third housing support block are used to cooperate with the rear end face positioning pin shaft on the rear end face of the first gearbox housing to realize positioning of the rear end face of the first gearbox housing In order to position the end face, an off-shell support block is provided for positioning the first clutch housing, the second clutch housing and the third clutch housing. Both of the two off-shell support blocks are arc-shaped structures, and a clutch positioning stop is provided on the top thereof for cooperating with the outer edges of the first clutch housing, the second clutch housing and the third clutch housing. An anti-rotation pin hole is provided on one of the off-shell support blocks, and the anti-rotation pin hole is used to cooperate with the anti-rotation holes on the first clutch housing, the second clutch housing and the third clutch housing. In this way, the assembly of three gearbox housings and corresponding clutch housings can be achieved through one assembly pallet, and when converting the type of gearbox housing to be assembled, it is only necessary to replace the corresponding front end positioning piece on the center positioning seat, which saves time and effort and improves assembly efficiency.

[0023] (2) The utility model provides a gearbox flexible assembly pallet, which is further provided with a placement seat, a parts placement slot, an intermediate wheel placement block and a process board placement block on the bottom plate of the pallet, wherein the placement seat includes a first placement seat for placing a first front end positioning member, a second placement seat for placing a second front end positioning member, and a third placement seat for placing a third front end positioning member. In this way, the parts required for assembly are placed on the bottom plate of the pallet and can be taken out as needed, thereby improving the convenience of use and saving the time of searching for accessories.

[0024] (3) In a gearbox flexible assembly tray provided by the utility model, weight-reducing holes are provided on the shell support block, the first shell support block, the second shell support block, the third shell support block and the fourth shell support block, so that the overall weight of the assembly tray can be reduced, which saves more effort when repairing and replacing these parts.

[0025] (4) The utility model provides a gearbox flexible assembly tray in which the clutch positioning stop on the housing support block has a first positioning stop and a second positioning stop with different diameters. This is because the clutch housing needs to be connected to the engine housing. In order to adapt to different engine housings, the clutch housing will also have different outer edge sizes. The provision of clutch positioning stops with two diameters increases the versatility of the assembly tray. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A top view of an embodiment of a gearbox flexible assembly tray of the utility model;

[0027] Figure 2 This is a schematic diagram of the three-dimensional structure of the supporting assembly in the embodiment of the utility model;

[0028] Figure 3 A top view of the center positioning seat in the embodiment of the utility model;

[0029] Figure 4 for Figure 3 MM section view;

[0030] Figure 5 This is a schematic structural diagram of the first front end positioning member in an embodiment of the utility model;

[0031] Figure 6 for Figure 5 A cross-sectional view of

[0032] Figure 7 A cross-sectional view of the second front end positioning member in the embodiment of the utility model;

[0033] Figure 8 It is a cross-sectional view of the third front end positioning member in the embodiment of the utility model;

[0034] Fig. 9 It is a top view of two support blocks separated from the shell in the embodiment of the utility model;

[0035] Fig.10 This is a schematic diagram of clamping the front end face of the first gearbox housing in the embodiment of the utility model;

[0036] Fig.11 This is a schematic diagram of clamping the rear end face of the first gearbox housing in the embodiment of the utility model;

[0037] Fig.12 This is a schematic diagram of the clamping of the first clutch housing in the embodiment of the utility model;

[0038] Fig.13 This is a schematic diagram of the clamping of the front end face of the second gearbox housing in the embodiment of the utility model;

[0039] Fig.14 This is a schematic diagram of the clamping of the front end surface of the third gearbox housing in the embodiment of the utility model.

[0040] The following are the descriptions of the reference numerals:

[0041] 1-tray bottom plate, 2-center positioning seat, 21-positioning ring groove, 22-center positioning pin hole; 3-housing support block, 31-first housing support block, 311-housing rear end positioning pin hole, 32-second housing support block, 321-third front end face positioning pin, 33-third housing support block, 34-fourth housing support block; 4-housing support block, 41-clutch positioning stop, 411-first positioning stop, 412-second positioning stop; 42-anti-rotation pin hole; 5-first front end positioning piece, 51-first center positioning pin, 52-first front end face positioning pin, 53-first positioning cylinder, 54-first annular body; 6-second front end positioning piece, 61-positioning stop, 62-base, 621-first outer boss, 622-second outer boss, 623-third outer boss, 63-second annular body, 7-third front end positioning piece, 71-third center positioning pin, 72-third annular body, 73-third positioning cylinder; 8-first gearbox housing, 81-first clutch housing; 9-second gearbox housing, 10-third gearbox housing, 11-second front end face positioning pin, 12-second front end face support column, 13-first placement seat, 14-second placement seat, 15-third placement seat, 16-part placement groove, 17-process board placement block, 18-intermediate wheel placement block, 19-front end intermediate shaft positioning column, 20-rear end intermediate shaft positioning column. DETAILED DESCRIPTION

[0042] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0043] Reference Figure 1-Figure 14 As shown, a gearbox flexible assembly tray of the utility model includes a supporting component, such as Figure 2 As shown, the supporting assembly includes a pallet bottom plate 1, on which a parts placement groove 16 is arranged. Some parts for assembling the gearbox can be stored in the parts placement groove 16. An intermediate wheel placement block 18 and a process board placement block 17 are also arranged on the pallet bottom plate 1 for storing tools used in assembly. In addition, the supporting assembly also includes a first placement seat 13 for placing a first front end positioning member 5, a second placement seat 14 for placing a second front end positioning member 6, and a third placement seat 15 for placing a third front end positioning member 7, which are arranged on the pallet bottom plate 1. In this way, the parts required by the assembler when assembling the gearbox are placed in an orderly manner on the pallet bottom plate 1 and can be taken as needed, which saves the time of searching for parts and improves the assembly efficiency.

[0044] A center positioning seat 2 is provided at the center of the tray bottom plate 1, and its structure is as follows: Figure 3 , Figure 4As shown, a positioning ring groove 21 is provided on it, and a center positioning pin hole 22 is provided on the center positioning seat 2. The center positioning seat 2 plays a connecting role. It can be connected to the first front end positioning member 5, the second front end positioning member 6 and the third front end positioning member 7 respectively to meet the front end surface positioning requirements of the first gearbox housing 8, the second gearbox housing 9 and the third gearbox housing 10. The gearbox used for clamping in the utility model includes a first gearbox with a double intermediate shaft and a main and auxiliary box structure, which includes a first gearbox housing 8 and a first clutch housing 81; in addition, there are a second gearbox and a third gearbox with two single intermediate shafts and a single box structure, the second gearbox includes a second gearbox housing 9 and a second clutch housing, and the third gearbox includes a third gearbox housing 10 and a third clutch housing.

[0045] Four shell support blocks 3 are arranged on the tray bottom plate 1, namely the first shell support block 31, the second shell support block 32, the third shell support block 33 and the fourth shell support block 34. The four shell support blocks 3 are arranged around the central positioning seat 2, wherein the first shell support block 31 and the third shell support block 33 are arranged diagonally and each of them is provided with a shell rear end positioning pin hole 311 for cooperating with the rear end face positioning pin shaft on the rear end face of the first gearbox housing 8. Because the first gearbox housing 8 needs to assemble the intermediate shaft into the housing during assembly, two postures of clamping are required, so four intermediate shaft positioning columns distributed in a rectangular shape are arranged on the tray bottom plate 1, including two diagonally arranged front end intermediate shaft positioning columns 19 and two diagonally arranged rear end intermediate shaft positioning columns 20. The front end intermediate shaft positioning column 19 is used to position the assembled intermediate shaft when the front end face of the first gearbox housing 8 is positioned, and the rear end intermediate shaft positioning column 20 is used to position the assembled intermediate shaft when the rear end face of the first gearbox housing 8 is positioned.

[0046] When positioning and clamping the rear end face of the first gearbox housing 8, align the rear end face positioning pin with the housing rear end positioning pin hole 311 and place it on the four housing support blocks 3. The operation is simple and convenient. In order to reduce the dead weight of the housing support block 3, each housing support block 3 is provided with a weight reduction hole, which saves more effort during maintenance and replacement.

[0047] In order to realize the front end surface positioning of the first gearbox housing 8 , the second gearbox housing 9 and the third gearbox housing 10 , a first front end positioning member 5 , a second front end positioning member 6 and a third front end positioning member 7 are respectively provided.

[0048] The first front end positioning member 5 is used for positioning the front end surface of the first gearbox housing 8, and its structure is as follows: Figure 5 , Figure 6As shown, the first front end positioning member 5 includes a first annular body 54, a first positioning cylinder 53 is arranged inside the first annular body 54, a first center positioning pin 51 and a first front end face positioning pin 52 are arranged on the first annular body 54, when the first front end positioning member 5 is installed on the center positioning seat 2, the outer edge of the first annular body 54 is used to cooperate with the positioning ring groove 21, and the first center positioning pin 51 cooperates with the center positioning pin hole 22, so that the installation and positioning of the first front end positioning member 5 is realized. After installation, the front end face of the first gearbox housing 8 is facing downward, the first positioning cylinder 53 cooperates with the bearing hole on the front end face of the first gearbox housing 8, and the first front end face positioning pin 52 cooperates with the positioning pin hole on the front end face of the first gearbox housing 8, so that the front end face positioning of the first gearbox housing 8 is completed.

[0049] The second front end positioning member 6 is used for positioning the front end surface of the second gearbox housing 9, and its structure is as follows: Figure 7 As shown, the second front end positioning member 6 includes a base 62, and the outer wall of the base 62 is provided with a first outer boss 621, a second outer boss 622 and a third outer boss 623 from top to bottom, and the diameter of the first outer boss 621 is smaller than the diameter of the second outer boss 622, and the diameter of the second outer boss 622 is smaller than the diameter of the third outer boss 623. The cross-section of the base 62 is a pyramid shape as a whole. The second front end positioning member 5 also includes a second annular body 63, whose inner wall abuts on the third outer boss 623, and the second annular body 63 is connected to the base 62 by bolts. Because it is difficult and costly to directly process the second front end positioning member 6 as a whole, the second front end positioning member 6 is divided into two parts for processing, and finally combined together by bolts, which reduces the processing difficulty and saves the processing cost. The height of the second annular body 63 is higher than the height of the third outer boss 623, and the inner wall of the second annular body 63 constitutes a positioning stop 61. When the second front end positioning member 5 is installed on the center positioning seat 2, the outer edge of the second annular body 63 is used to cooperate with the positioning ring groove 21. At this time, the front end face of the second gearbox housing 9 is facing downward, and the second positioning cylinder on the front end face of the second gearbox housing 9 cooperates with the positioning stop 61. Due to the structural reasons of the second gearbox housing 9 itself, the process pin hole used for positioning is far away from the second positioning cylinder, and a positioning pin cannot be set on the second front end positioning member 5 to cooperate with it. Therefore, a second front end face positioning pin 11 is set on the tray bottom plate 1 to cooperate with the process pin hole on the front end face of the second gearbox housing 9. In this way, the front end face positioning of the second gearbox housing 9 is completed. In order to auxiliary support the second gearbox housing 9, a second front end face support column 12 is also set on the tray bottom plate 1.

[0050] The third front end positioning member 7 is used for positioning the front end surface of the third gearbox housing 10. Its structure is as follows: Figure 8As shown, it includes a third annular body 72 and a third positioning cylinder 73 arranged in the third annular body 72. A third center positioning pin 71 is arranged on the third annular body 72. When the third front end positioning member 7 is installed on the center positioning seat 2, the outer edge of the third annular body 72 cooperates with the positioning ring groove 21, and the third center positioning pin 71 cooperates with the center positioning pin hole 22. After installation, the front end face of the third gearbox housing 10 faces downward, and the bearing hole on the front end face of the third gearbox housing 10 cooperates with the third positioning cylinder 73. Due to its own structural reasons, the positioning pin hole on the front end face of the third gearbox housing 10 is far away from the bearing hole, so the positioning pin cannot be arranged on the third front end positioning member 7. In order to adapt to the front end face structure of the third gearbox housing 10, a third front end face positioning pin 321 is arranged on the second housing support block 32. The third front end face positioning pin 321 cooperates with the positioning pin hole on the front end face of the third gearbox housing 10, so that the front end face positioning of the third gearbox housing 10 is completed.

[0051] In order to achieve the clamping and positioning of the three clutch housings, two shell support blocks 4 are further arranged on the tray bottom plate 1. The two shell support blocks 4 are evenly distributed along the circumference of the tray bottom plate 1 with the central positioning seat 2 as the center. The shell support block 4 is an arc-shaped structure, and a clutch positioning stop 41 is arranged on the top thereof for cooperating with the outer edges of the first clutch housing 81, the second clutch housing and the third clutch housing. The positioning stop 41 includes a first positioning stop 411 with a diameter of 447.68 mm and a second positioning stop 412 with a diameter of 511.12 mm. The clutch positioning stop 41 with two diameter specifications is set because the clutch housing is used to be connected to the engine. In order to adapt to engines of different sizes, the clutch housing connected to the same gearbox housing will also have different outer edge sizes. Therefore, two clutch positioning stop 41 with different diameters are set in this embodiment to meet assembly requirements and improve the versatility of the assembly pallet. In order to limit the rotation of the clutch housing, an anti-rotation pin hole 42 is provided on one of the housing support blocks 4, and the anti-rotation pin hole 42 is used to cooperate with the anti-rotation holes on the first clutch housing 81, the second clutch housing and the third clutch housing. When positioning the clutch housing, the clutch housing is placed on the housing support block 4 and its outer edge is abutted against the corresponding clutch positioning stop 41, and then the anti-rotation hole is aligned with the anti-rotation pin hole 42 and the anti-rotation pin is inserted, and the clamping and positioning of the clutch housing is completed.

[0052] When in use, if the front end surface of the first gearbox housing 8 is positioned first, the first front end positioning member 5 is placed on the central positioning seat 2, such as Fig.10As shown, the front end face of the first gearbox housing 8 faces downward, the first positioning cylinder 53 cooperates with the bearing hole on the front end face of the first gearbox housing 8, and the first front end face positioning pin 52 cooperates with the positioning pin hole on the front end face of the first gearbox housing 8, so that the front end face positioning of the first gearbox housing 8 is completed. At this time, the first housing support block 31, the second housing support block 32, the third housing support block 33 and the fourth housing support block 34 are used to support the first gearbox housing 8. After clamping, the intermediate shaft can be assembled into the first gearbox housing 8, and the front intermediate shaft positioning column 19 can be used for positioning during assembly.

[0053] After the assembly is completed, the first front end positioning member 5 can be removed and placed on the first placement seat 13 for next use, and then the rear end surface of the first gearbox housing 8 is positioned. Fig.11 As shown, the rear end face positioning pin on the rear end face of the first gearbox housing 8 is aligned with the housing rear end positioning pin hole 311 on the first housing support block 31 and the third housing support block 33 and placed on the housing support block 3, thus completing the rear end face positioning clamping of the first gearbox housing 8. After the clamping, the intermediate shaft can be assembled into the first gearbox housing 8, and the rear end intermediate shaft positioning column 20 is used for positioning during assembly.

[0054] At this time, the assembly of the first gearbox housing 8 in the two clamping postures has been completed, and the first clutch housing 81 can be clamped. Fig.12 As shown, the first gearbox housing 8 is connected to the first clutch housing 81, and the first clutch housing 81 is placed on the housing support block 4. In this embodiment, the outer edge size of the first clutch housing 81 is adapted to the first positioning stop 411, so the outer edge of the first clutch housing 81 is abutted against the first positioning stop 411, and the anti-rotation pin hole 42 is aligned with the anti-rotation hole on the first clutch housing 81, and then the anti-rotation pin is inserted, so as to limit the rotation of the first clutch housing 81, complete the clamping and positioning of the first clutch housing 81, and then perform assembly on the first clutch housing 81.

[0055] When assembling the second gearbox housing 9, first clamp and position the front end surface of the second gearbox housing 9. At this time, install the second front end positioning member 6 on the central positioning seat 2. Fig.13As shown, the front end face of the second gearbox housing 9 is facing downward, the second positioning cylinder on the front end face of the second gearbox housing 9 cooperates with the positioning stop 61, the second front end face positioning pin 11 cooperates with the process pin hole, the four housing support blocks 3 are used to support the second gearbox housing 9, and the second front end face support column 12 provides auxiliary support for the second gearbox housing 9, thus completing the positioning and clamping of the front end face of the second gearbox housing 9, and then assembly can be started. After assembly is completed, the second front end positioning member 6 is removed and placed on the second placement seat 14 for next use. Because the positioning and clamping of the second clutch housing is the same as the process of clamping the first clutch housing 81, it will not be repeated here.

[0056] When assembling the third gearbox housing 10, first clamp and position the front end surface of the third gearbox housing 10, and install the third front end positioning member 7 on the central positioning seat 2, such as Fig.14 As shown, the front end face of the third gearbox housing 10 faces downward, at this time, the bearing hole on the front end face of the third gearbox housing 10 cooperates with the third positioning cylinder 73, and the positioning pin hole on the front end face of the third gearbox housing 10 cooperates with the third front end face positioning pin 321 on the second housing support block 32, and the four housing support blocks 3 support the third gearbox housing 10 to complete the positioning and clamping of the front end face of the third gearbox housing 10, and then the assembly can be started. After the assembly is completed, the third front end positioning member 7 is removed and placed on the third placement seat 15 for easy access next time. The positioning and clamping of the third clutch housing is the same as the process of clamping the first clutch housing 81, which will not be repeated here.

[0057] The embodiments described above are merely descriptions of the specific implementation methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A gearbox flexible assembly tray, characterized in that: It comprises a supporting assembly, a central positioning seat (2), a shell support block (3), an off-shell support block (4), a first front end positioning member (5), a second front end positioning member (6) and a third front end positioning member (7); The supporting assembly comprises a tray bottom plate (1), a center positioning seat (2) arranged on the tray bottom plate (1), a positioning ring groove (21) for cooperating with the outer edges of the first front end positioning member (5), the second front end positioning member (6) and the third front end positioning member (7) is provided on the center positioning seat (2), and a center positioning pin hole (22) is also provided on the center positioning seat (2); The housing support blocks (3) are provided in four numbers, and the four housing support blocks (3) are arranged around the central positioning seat (2), wherein the first housing support block (31) and the third housing support block (33) are arranged diagonally and each of them is provided with a housing rear end positioning pin hole (311) for cooperating with a rear end face positioning pin shaft on the rear end face of the first gearbox housing (8); The first front end positioning member (5) is provided with a first center positioning pin (51) for cooperating with the center positioning pin hole (22) and a first front end surface positioning pin (52) for cooperating with the positioning pin hole on the front end surface of the first gearbox housing (8); the first front end positioning member (5) is also provided with a first positioning cylinder (53) for cooperating with the bearing hole on the front end surface of the first gearbox housing (8); The second front end positioning member (6) is provided with a positioning stop (61) for cooperating with a second positioning cylinder on the front end face of the second gearbox housing (9), and the tray bottom plate (1) is provided with a second front end face positioning pin (11) for cooperating with a process pin hole on the front end face of the second gearbox housing (9); The third front end positioning member (7) is provided with a third center positioning pin (71) for cooperating with the center positioning pin hole (22) and a third positioning cylinder (73) for cooperating with the bearing hole on the front end face of the third gearbox housing (10); and the second housing support block (32) is provided with a third front end face positioning pin (321) for cooperating with the positioning pin hole on the front end face of the third gearbox housing (10); The housing-separating support block (4) is an arc-shaped structure and is provided with two of them. The two housing-separating support blocks (4) are evenly distributed along the circumference with the central positioning seat (2) as the center of the circle, and a clutch positioning stop (41) is provided on the top thereof for cooperating with the outer edges of the first clutch housing (81), the second clutch housing and the third clutch housing, and an anti-rotation pin hole (42) is provided on one of the housing-separating support blocks (4) for cooperating with the anti-rotation holes on the first clutch housing (81), the second clutch housing and the third clutch housing to limit rotation.

2. The gearbox flexible assembly tray according to claim 1, characterized in that: The first front end positioning member (5) comprises a first annular body (54), the outer edge of the first annular body (54) is used to cooperate with the positioning ring groove (21), the first positioning cylinder (53) is arranged in the first annular body (54), and the first center positioning pin (51) and the first front end face positioning pin (52) are both located on the first annular body (54).

3. The gearbox flexible assembly tray according to claim 2, characterized in that: The second front end positioning member (6) includes a base (62) and a second annular body (63), the base (62) and the second annular body (63) are connected by bolts, and the outer edge of the second annular body (63) is used to cooperate with the positioning ring groove (21); the outer wall of the base (62) is provided with a first external boss (621), a second external boss (622) and a third external boss (623) from top to bottom, and the diameter of the first external boss (621) is smaller than the diameter of the second external boss (622), and the diameter of the second external boss (622) is smaller than the diameter of the third external boss (623); the inner wall of the second annular body (63) abuts against the third external boss (623), and the height of the second annular body (63) is higher than the height of the third external boss (623), and the inner wall of the second annular body (63) constitutes the positioning stop (61).

4. The gearbox flexible assembly tray according to claim 3, characterized in that: The third front end positioning member (7) comprises a third annular body (72) and a third positioning cylinder (73) arranged in the third annular body (72); the outer edge of the third annular body (72) is used to cooperate with the positioning ring groove (21); and the third center positioning pin (71) is arranged on the third annular body (72).

5. The gearbox flexible assembly tray according to claim 4, characterized in that: The supporting assembly also includes a placement seat, a parts placement groove (16), an intermediate wheel placement block (18) and a process board placement block (17) arranged on the tray bottom plate (1), and the placement seat includes a first placement seat (13) for placing a first front end positioning member (5), a second placement seat (14) for placing a second front end positioning member (6) and a third placement seat (15) for placing a third front end positioning member (7).

6. The gearbox flexible assembly tray according to claim 5, characterized in that: A second front end face support column (12) for supporting the front end face of a second gearbox housing (9) is arranged on the tray bottom plate.

7. The gearbox flexible assembly tray according to claim 6, characterized in that: The shell support block (4), the first shell support block (31), the second shell support block (32), the third shell support block (33) and the fourth shell support block (34) are all provided with weight-reducing holes.

8. The gearbox flexible assembly tray according to claim 7, characterized in that: Four intermediate shaft positioning columns are arranged in a rectangular distribution on the tray bottom plate (1), including two diagonally arranged front intermediate shaft positioning columns (19) and two diagonally arranged rear intermediate shaft positioning columns (20).

9. The gearbox flexible assembly tray according to claim 8, characterized in that: The clutch positioning stop (41) comprises a first positioning stop (411) and a second positioning stop (412) having different diameters.

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