Splicing device for transmission shaft system parts

Abstract

The utility model provides a transmission shafting part assembling device which is integrally positioned through a positioning plate, a shaft of a transmission shafting part is taken as a reference on the positioning plate, and a movable intermediate shaft positioning clamp and a shifting fork shaft positioning clamp are arranged near a shaft positioning clamp. When the transmission shafting parts of different specifications need to be assembled, only the corresponding clamps need to be moved, positioning of the transmission shafting parts of different specifications can be achieved, and applicability is greatly improved. The shifting fork shaft guide rails are provided with the rotating discs, the two rotating discs are provided with the multiple sets of shifting fork shaft I positioning clamps and the multiple sets of shifting fork shaft II positioning clamps respectively, and when different specifications of transmission shafting parts are faced, only the corresponding rotating discs need to be rotated, the shifting fork shaft positioning clamps of the corresponding specifications are in butt joint with the transmission shafting parts, and splicing can be achieved; the applicability is further improved, and the method is suitable for industrial large-scale use and popularization.

Description

Technical Field

[0001] The utility model belongs to the field of transmission tooling, and particularly relates to an assembling device for transmission shaft system parts. Background Art

[0002] A certain new heavy truck transmission has a three-section barrel structure. According to the process requirements, when assembling, after the shaft system parts (including a first shaft assembly, two intermediate shaft assemblies, and multiple shift fork shaft assemblies) are assembled, they are loaded into the transmission housing as a whole. Each shaft needs to accurately enter the corresponding hole in the housing. Therefore, the positioning during the assembling process of the shaft system parts needs to be accurate and the operation needs to be convenient.

[0003] Due to the large variety of models and frequent production changeovers in actual operation, the number, size, and position of the shafts of the shaft system parts of different models are different. The existing assembling devices for transmission shaft system parts can only produce a single model. When changing production, the tooling needs to be disassembled and reinstalled, which not only wastes resource costs but also takes a long time for production changeover, thus resulting in low overall efficiency. Summary of the Invention

[0004] The purpose of the utility model is to provide an assembling device for transmission shaft system parts to solve the problems of poor applicability of the existing assembling device, waste of resource costs, and low working efficiency.

[0005] To solve the above technical problems, the utility model is implemented by adopting the following technical solutions:

[0006] An assembling device for transmission shaft system parts includes a positioning plate, and a first shaft positioning fixture is fixedly arranged in the middle of the front side of the upper surface of the positioning plate.

[0007] A left intermediate shaft positioning fixture and a right intermediate shaft positioning fixture are respectively arranged on the left and right sides of the first shaft positioning fixture; the left intermediate shaft positioning fixture and the right intermediate shaft positioning fixture can respectively move left and right along the length direction of the positioning plate.

[0008] A shift fork shaft I positioning fixture and a shift fork shaft II positioning fixture are also arranged on the surface of the positioning plate; the shift fork shaft I positioning fixture and the shift fork shaft II positioning fixture are respectively located on both sides of the rear part of the first shaft positioning fixture.

[0009] The shift fork shaft I positioning fixture and the shift fork shaft II positioning fixture can respectively approach or move away from the first shaft positioning fixture in an oblique movement manner.

[0010] The first shaft positioning fixture, the left intermediate shaft positioning fixture, the right intermediate shaft positioning fixture, the shift fork shaft I positioning fixture, and the shift fork shaft II positioning fixture can respectively clamp and install the first shaft, the left intermediate shaft, the right intermediate shaft, the shift fork I shaft, and the shift fork II shaft of the transmission shaft system parts in a one-to-one correspondence.

[0011] The utility model also has the following features:

[0012] Further, the one - shaft positioning fixture, the left intermediate - shaft positioning fixture, the right intermediate - shaft positioning fixture, the shift - fork shaft I positioning fixture, and the shift - fork shaft II positioning fixture are all cylindrical with openings in the middle;

[0013] The internal shapes of the one - shaft positioning fixture, the left intermediate - shaft positioning fixture, the right intermediate - shaft positioning fixture, the shift - fork shaft I positioning fixture, and the shift - fork shaft II positioning fixture respectively match the shapes of the one - shaft, the left intermediate - shaft, the right intermediate - shaft, the shift - fork I shaft, and the shift - fork II shaft of the transmission shaft system parts;

[0014] The upper end faces of the one - shaft positioning fixture, the left intermediate - shaft positioning fixture, and the right intermediate - shaft positioning fixture are flush;

[0015] The lower end faces of the left intermediate - shaft positioning fixture, the right intermediate - shaft positioning fixture, the shift - fork shaft I positioning fixture, and the shift - fork shaft II positioning fixture are flush.

[0016] Further, it further includes a pair of intermediate - shaft guide rails, a pair of shift - fork shaft guide rails, and four support frames; the four support frames are respectively fixedly connected to the positioning plate;

[0017] The intermediate - shaft guide rails and the shift - fork shaft guide rails are correspondingly arranged on the support frames;

[0018] The left intermediate - shaft positioning fixture and the right intermediate - shaft positioning fixture realize left - right movement through the corresponding intermediate - shaft guide rails;

[0019] The shift - fork shaft I positioning fixture and the shift - fork shaft II positioning fixture realize oblique movement through the corresponding shift - fork shaft guide rails.

[0020] Further, the four support frames are all fixedly connected to the positioning plate through reinforcing plates.

[0021] Further, the included angle between a pair of the shift - fork shaft guide rails is 120°.

[0022] Further, a rotating disk is slidably arranged on the shift - fork shaft guide rail; the rotating disk can rotate around its own central axis;

[0023] Multiple groups of shift - fork shaft I positioning fixtures are arranged on one of the rotating disks; multiple groups of shift - fork shaft II positioning fixtures are arranged on the other rotating disk; the multiple groups of shift - fork shaft I positioning fixtures and the shift - fork shaft II positioning fixtures are respectively evenly distributed along the circumferences of the corresponding rotating disks.

[0024] Compared with the prior art, the utility model has the following technical effects:

[0025] (Ⅰ) The assembling device for the transmission shaft system parts of the present utility model is overall positioned by a positioning plate. Taking one shaft of the transmission shaft system parts as a reference on the positioning plate, a movable intermediate shaft positioning fixture and a shift fork shaft positioning fixture are arranged near the one - shaft positioning fixture. When assembling transmission shaft system parts of different specifications, only by moving the corresponding fixture can the positioning of transmission shaft system parts of different specifications be achieved, greatly improving the applicability. There is no need to manufacture different fixtures according to different specifications of transmission shaft system parts, thus improving the overall working efficiency.

[0026] (Ⅱ) In the assembling device for the transmission shaft system parts of the present utility model, a rotating disk is arranged on the shift fork shaft guide rail. Multiple groups of shift fork shaft Ⅰ positioning fixtures and shift fork shaft Ⅱ positioning fixtures are respectively arranged on the two rotating disks. When facing transmission shaft system parts of different specifications, only by rotating the corresponding rotating disk and making the shift fork shaft positioning fixture of the corresponding specification dock with the transmission shaft system parts can the assembly be achieved, further improving the applicability and being suitable for large - scale industrial use and promotion. Brief Description of the Drawings

[0027] Figure 1 is the schematic diagram of the overall structure of the assembling device for the transmission shaft system parts of the present utility model;

[0028] Figure 2 is the schematic diagram of the structure of the transmission shaft system parts in the prior art;

[0029] Figure 3 is the schematic diagram of the connection relationship between the assembling device for the transmission shaft system parts of the present utility model and the transmission shaft system parts.

[0030] The meanings of the labels in the figures are as follows:

[0031] 1. Positioning plate; 2. One - shaft positioning fixture; 3. Left intermediate shaft positioning fixture; 4. Right intermediate shaft positioning fixture; 5. Shift fork shaft Ⅰ positioning fixture; 6. Shift fork shaft Ⅱ positioning fixture; 7. Intermediate shaft guide rail; 8. Shift fork shaft guide rail; 9. Support frame; 10. Reinforcing plate; 11. Rotating disk. Detailed Embodiments

[0032] It should be noted that all components in the present utility model, unless otherwise specified, are all components known in the prior art.

[0033] The following gives specific embodiments of the present utility model. It should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent transformations made on the basis of the technical solutions of this application fall within the protection scope of the present utility model.

[0034] Such as Figure 1As shown in the figure, a assembling device for transmission shaft system parts includes a positioning plate 1, and a shaft positioning fixture 2 is fixedly arranged in the middle of one side of the surface of the positioning plate 1.

[0035] A left intermediate shaft positioning fixture 3 and a right intermediate shaft positioning fixture 4 are respectively arranged on both sides of the shaft positioning fixture 2; the left intermediate shaft positioning fixture 3 and the right intermediate shaft positioning fixture 4 can move left and right along the length direction of the positioning plate 1 respectively.

[0036] A shift fork shaft I positioning fixture 5 and a shift fork shaft II positioning fixture 6 are respectively arranged on the other side of the surface of the positioning plate 1; the shift fork shaft I positioning fixture 5 and the shift fork shaft II positioning fixture 6 are symmetrically distributed on both sides of the shaft positioning fixture 2.

[0037] The shift fork shaft I positioning fixture 5 and the shift fork shaft II positioning fixture 6 can respectively approach or move away from the shaft positioning fixture 2 in an oblique movement manner.

[0038] The shaft positioning fixture 2, the left intermediate shaft positioning fixture 3, the right intermediate shaft positioning fixture 4, the shift fork shaft I positioning fixture 5 and the shift fork shaft II positioning fixture 6 can respectively clamp the first shaft, the left intermediate shaft, the right intermediate shaft, the shift fork I shaft and the shift fork II shaft of the transmission shaft system parts in a one-to-one correspondence.

[0039] The following shows the structural schematic diagram of the transmission shaft system parts commonly used in the prior art, as Figure 2 shown, the positioning points of the shaft system parts include the intermediate shaft, the first shaft and the shift fork shaft. The assembling device for the transmission shaft system parts of the present invention designs corresponding positioning fixtures on the positioning plate to realize the precise positioning of the shaft system parts.

[0040] During actual installation, first assemble the shift fork I shaft and the shift fork II shaft of the transmission shaft system parts with the first shaft, and then assemble the left intermediate shaft and the right intermediate shaft with the first shaft and gear them. Specifically, the connection relationship between the assembling device for the transmission shaft system parts of the present invention and the transmission shaft system parts is as Figure 3 shown. Taking the first shaft of the transmission shaft system parts as a reference, a movable intermediate shaft positioning fixture and a shift fork shaft positioning fixture are arranged near the shaft positioning fixture 2. When assembling different specifications of transmission shaft system parts, only need to move the corresponding fixture to realize the positioning of different specifications of transmission shaft system parts, which greatly improves the applicability and does not need to manufacture different fixtures according to different specifications of transmission shaft system parts, thereby improving the overall work efficiency.

[0041] As a preferred solution, the shaft positioning fixture 2, the left intermediate shaft positioning fixture 3, the right intermediate shaft positioning fixture 4, the shift fork shaft I positioning fixture 5 and the shift fork shaft II positioning fixture 6 are all cylindrical with openings in the middle;

[0042] During actual use, the corresponding shaft is inserted into the corresponding fixture to realize fixation.

[0043] Specifically, the internal shapes of the above-mentioned positioning jigs respectively correspond to the shapes of the first shaft, left intermediate shaft, right intermediate shaft, fork shaft I, and fork shaft II of the transmission shafting parts.

[0044] The upper end faces of the first shaft positioning jig 2, left intermediate shaft positioning jig 3, and right intermediate shaft positioning jig 4 are flush; the lower end faces of the left intermediate shaft positioning jig 3, right intermediate shaft positioning jig 4, fork shaft I positioning jig 5, and fork shaft II positioning jig 6 are flush; this structure is set based on the actual shapes of the transmission shafting parts and can stably clamp the transmission shafting parts.

[0045] As a preferred solution, it further includes a pair of intermediate shaft guide rails 7, a pair of fork shaft guide rails 8, and four support frames 9; the four support frames 9 are respectively fixedly connected to the positioning plate 1.

[0046] The intermediate shaft guide rails 7 and fork shaft guide rails 8 are arranged on the support frames 9 in a one-to-one correspondence.

[0047] The left intermediate shaft positioning jig 3 and right intermediate shaft positioning jig 4 achieve left and right movement through the corresponding intermediate shaft guide rails 7.

[0048] The fork shaft I positioning jig 5 and fork shaft II positioning jig 6 achieve oblique movement through the corresponding fork shaft guide rails 8.

[0049] For convenient operation, a guide rail structure is designed on the positioning plate 1; before assembly, the left intermediate shaft positioning jig 3, right intermediate shaft positioning jig 4, fork shaft I positioning jig 5, and fork shaft II positioning jig 6 are all pulled out to the farthest distance from the first shaft positioning jig 2.

[0050] During assembly, first, the fork shaft I positioning jig 5 and fork shaft II with the corresponding fork shafts placed are assembled. Subsequently, the left intermediate shaft positioning jig 3 and right intermediate shaft positioning jig 4 with the corresponding intermediate shafts placed are assembled and tooth-aligned.

[0051] Further preferably, the four support frames 9 are all fixedly connected to the positioning plate 1 through the reinforcing plates 10 to strengthen the connection strength between the support frames 9 and the positioning plate 1 and enhance the stability of the overall device.

[0052] As a preferred solution, for the purpose of achieving rapid production changeover, the fork shaft guide rails are designed into a 3-station turntable structure, that is, 120° indexing, and the included angle between a pair of fork shaft guide rails 8 is 120°.

[0053] Further preferably, a rotating disk 11 is slidably arranged on the fork shaft guide rail 8; the rotating disk 11 can rotate around its own central axis;

[0054] Multiple groups of shift fork shaft I positioning jigs 5 and shift fork shaft II positioning jigs 6 are respectively arranged on two rotating disks 11; the multiple groups of shift fork shaft I positioning jigs 5 and shift fork shaft II positioning jigs 6 are respectively evenly distributed along the circumferences of the corresponding rotating disks.

[0055] During actual use, according to conventional selection, the multiple groups of shift fork shaft I positioning jigs 5 and shift fork shaft II positioning jigs 6 have different specifications and respectively correspond to different transmission shaft system parts. Rotate the rotating disk 11 to make the positions of the shift fork shaft I positioning jigs 5 and shift fork shaft II positioning jigs 6 correspond to the shift fork shaft I and shift fork shaft II of the selected transmission shaft system parts, and the assembly of transmission shaft system parts with different specifications can be realized, further improving the applicability of the overall device.

Claims

1. A transmission shaft system parts assembly device, characterized in that: It comprises a positioning plate (1), wherein a shaft positioning fixture (2) is fixedly arranged in the middle of the front side of the upper surface of the positioning plate (1); A left intermediate shaft positioning fixture (3) and a right intermediate shaft positioning fixture (4) are respectively arranged on the left and right sides of the one-axis positioning fixture (2); the left intermediate shaft positioning fixture (3) and the right intermediate shaft positioning fixture (4) are respectively movable left and right along the length direction of the positioning plate (1); The surface of the positioning plate (1) is also provided with a shift fork shaft I positioning fixture (5) and a shift fork shaft II positioning fixture (6); the shift fork shaft I positioning fixture (5) and the shift fork shaft II positioning fixture (6) are respectively located on both sides of the rear part of the first shaft positioning fixture (2); The shift fork shaft I positioning fixture (5) and the shift fork shaft II positioning fixture (6) can respectively move closer to or farther away from the first shaft positioning fixture (2) by means of oblique movement; The first shaft positioning fixture (2), the left intermediate shaft positioning fixture (3), the right intermediate shaft positioning fixture (4), the shift fork shaft I positioning fixture (5) and the shift fork shaft II positioning fixture (6) can correspond to and clamp the first shaft, the left intermediate shaft, the right intermediate shaft, the shift fork shaft I and the shift fork shaft II of the transmission shaft system parts.

2. The transmission shaft system parts assembly device according to claim 1, characterized in that: The first shaft positioning fixture (2), the left intermediate shaft positioning fixture (3), the right intermediate shaft positioning fixture (4), the shift fork shaft I positioning fixture (5) and the shift fork shaft II positioning fixture (6) are all cylindrical with a hole in the middle; The internal shapes of the first shaft positioning fixture (2), the left intermediate shaft positioning fixture (3), the right intermediate shaft positioning fixture (4), the shift fork shaft I positioning fixture (5) and the shift fork shaft II positioning fixture (6) respectively match the shapes of the first shaft, the left intermediate shaft, the right intermediate shaft, the shift fork shaft I and the shift fork shaft II of the transmission shaft system parts; The upper end surfaces of the one-axis positioning fixture (2), the left intermediate shaft positioning fixture (3) and the right intermediate shaft positioning fixture (4) are flush; The lower end surfaces of the left intermediate shaft positioning fixture (3), the right intermediate shaft positioning fixture (4), the shift fork shaft I positioning fixture (5) and the shift fork shaft II positioning fixture (6) are flush.

3. The transmission shaft system parts assembly device according to claim 2, characterized in that: It also includes a pair of intermediate shaft guide rails (7), a pair of fork shaft guide rails (8) and four support frames (9); the four support frames (9) are respectively fixedly connected to the positioning plate (1); The intermediate shaft guide rail (7) and the fork shaft guide rail (8) are arranged on the support frame (9) in a one-to-one correspondence; The left intermediate shaft positioning fixture (3) and the right intermediate shaft positioning fixture (4) are moved left and right via corresponding intermediate shaft guide rails (7); The shift fork shaft I positioning fixture (5) and the shift fork shaft II positioning fixture (6) are able to move obliquely via corresponding shift fork shaft guide rails (8).

4. The transmission shaft system parts assembly device according to claim 3, characterized in that: The four support frames (9) are all fixedly connected to the positioning plate (1) via a reinforcing plate (10).

5. The transmission shaft system parts assembly device according to claim 3, characterized in that: The angle between the pair of fork shaft guide rails (8) is 120°.

6. The transmission shaft system parts assembly device according to claim 5, characterized in that: A rotating disk (11) is slidably disposed on the fork shaft guide rail (8); the rotating disk (11) is capable of rotating around its own central axis; One of the rotating disks (11) is provided with a plurality of groups of shift fork shaft I positioning fixtures (5); the other rotating disk (11) is provided with a plurality of groups of shift fork shaft II positioning fixtures (6); the plurality of groups of shift fork shaft I positioning fixtures (5) and shift fork shaft II positioning fixtures (6) are evenly distributed along the circumference of the corresponding rotating disk.

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