Adjustable hoisting tool for integral disassembly and assembly of rear auxiliary box of transmission

Abstract

The utility model discloses an adjustable hoisting tool for integral disassembly and assembly of a rear auxiliary box of a transmission. The adjustable hoisting tool comprises a threaded pull rod, a welding threaded pull rod, an inner threaded limiting sleeve, an adjusting nut, a pull rod, a welding pull rod, an inner unthreaded hole limiting sleeve, a limiting bolt and a connecting bolt. Different included angles can be adjusted between the threaded pull rod and the welding threaded pull rod and between the pull rod and the welding pull rod, so that distribution of bolt hole sites on the rear auxiliary boxes of transmissions of different models can be coped, and meanwhile, interference of design structures on part of the rear auxiliary boxes of the transmissions is effectively avoided; the width of the device is adjustable, and the device is suitable for thicknesses of rear auxiliary box shells of transmissions of different models; corresponding hoisting hole positions can be selected according to different structural gravity centers of different types of transmission rear auxiliary box assemblies; the device is reliable in design structure and ensures operation safety; the device is ingenious in design, foldable, convenient to carry and easy to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of adjustable hoisting tool of transmission rear sub-box overall disassembly. BACKGROUND

[0002] With the year-by-year increase of commercial vehicle heavy truck market, the traditional heavy transmission has formed huge market base, however, new product commercial vehicle heavy truck market in recent years market increment accelerates sharply, not only can meet the requirement of policy, more reason is to meet the high quality demand of user to commercial vehicle whole, whether it is traditional commercial vehicle heavy transmission, or new product heavy truck transmission developed in recent years, its superior product performance and reliable product quality, cannot be separated from the large amount of test verification of research and development workers. Similarly, in the process of after-sales market feedback, traditional products and new products will appear different forms of problem failure, which needs research and development personnel and after-sales maintenance personnel to carry out transmission maintenance inspection or test inspection.

[0003] In the process of transmission inspection, there are huge differences in structure between traditional heavy transmission products and new products in recent years, therefore, in the process of inspection, the tooling of transmission rear sub-box assembly disassembly cannot be universal, transmission rear sub-box overall disassembly hoisting is indispensable in the process of inspection, and the previous tooling fixture cannot be applied to the hoisting work of new product, which brings difficulty to the overall disassembly of some heavy transmission new product rear sub-box, and cannot be hoisted quickly. At the same time, unreasonable hoisting position will also affect the disassembly progress of transmission, and even will affect the performance and quality of product, and will cause safety hazard. In summary, at present, there lacks a kind of special dismounting device suitable for overall disassembly hoisting of rear sub-box of various transmissions, to meet the different disassembly requirements of new and old products. CONTENT OF UTILITY MODEL

[0004] In view of the deficiencies in the prior art, the utility model discloses a kind of adjustable hoisting tool for whole disassembly of transmission rear sub-box, in the process of after-sales inspection or test of transmission, disassembling transmission is indispensable important link, a good transmission rear sub-box whole disassembly hoisting tool, not only can effectively guarantee transmission whole assembly time, simultaneously can also guarantee the personal safety of operator, prevent the occurrence of safety accident;Traditional heavy transmission rear sub-box structure is relatively unified, however, new product transmission rear sub-box structure developed in recent years is changeable, compared with traditional product, there is the difference of rear sub-housing thickness, the difference of bolt hole spacing connected with main box, the difference of structure reinforcing rib plate arrangement, the difference of different parts arrangement influence rear sub-box overall hoisting gravity center etc., these situations make traditional rear sub-box hoisting tool single, tool cannot realize the hoisting problem in the whole disassembly process of various new product rear sub-box, thus need a kind of special tool suitable for the whole disassembly hoisting of various transmission rear sub-box, reach hoisting reasonable satisfy the product demand of different kinds, safely and conveniently hoist the purpose of various transmission rear sub-box;The utility model is used to replace the work of traditional single transmission rear sub-box whole disassembly hoisting tool, and the adjustability of tool can be adapted to different models of transmission, improve efficiency, reduce security risks.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions to be realized:

[0006] A kind of adjustable hoisting tool for whole disassembly of transmission rear sub-box, including threaded pull rod, welded threaded pull rod, internal thread limit sleeve, adjusting nut, pull rod, welded pull rod, internal light hole limit sleeve, limit bolt, connecting bolt;

[0007] The upper end of the threaded pull rod and the welded threaded pull rod is all fitted on the internal thread limit sleeve through adjusting nut, and the lower end is all provided with clamping hole;Threaded pull rod and welded threaded pull rod can rotate around internal thread limit sleeve to adjust the included angle position between them;

[0008] The upper end of the pull rod and the welded pull rod is all fitted on the internal light hole limit sleeve through adjusting nut, and the lower end is all provided with clamping hole;Pull rod and welded pull rod can rotate around internal light hole limit sleeve to adjust the included angle position between them;

[0009] The threaded pull rod and the welded threaded pull rod are opposite to the pull rod and the welded pull rod;By adjusting the included angle between threaded pull rod and welded threaded pull rod, the clamping holes thereof can be aligned with the bolt holes on one side of transmission rear sub-box respectively and connected with one side of transmission rear sub-box through connecting bolt;By adjusting the included angle between pull rod and welded pull rod, the clamping holes thereof can be aligned with the bolt holes on the other side of transmission rear sub-box respectively and connected with the other side of transmission rear sub-box through connecting bolt;

[0010] The internal thread limiting sleeve and the internal light hole limiting sleeve are connected by the limiting bolt and the distance between them can be adjusted by the limiting bolt to adapt to the thickness of the rear sub-gearbox shell.

[0011] The utility model discloses still include following technical features:

[0012] Specifically, the internal thread limiting sleeve includes a limiting sleeve body with a central through hole, an ear plate is arranged on the upper edge of one end of the limiting sleeve body, and a lifting hole is arranged on the ear plate; the inner wall of the through hole of the limiting sleeve body is internally threaded, and the outer wall is externally threaded.

[0013] Specifically, the upper end of the threaded pull rod and the welded threaded pull rod is provided with a through hole and is sequentially sleeved on the limiting sleeve body; a threaded adjusting nut is further sleeved on the limiting sleeve body, and the threaded pull rod and the welded threaded pull rod are limited between the adjusting nut and the ear plate.

[0014] Specifically, the internal light hole limiting sleeve includes a limiting sleeve body with a central through hole, an ear plate is arranged on the upper edge of one end of the limiting sleeve body, and a lifting hole is arranged on the ear plate; the inner wall of the through hole of the limiting sleeve body is internally threaded, and the outer wall is externally threaded.

[0015] Specifically, the upper end of the threaded pull rod and the welded threaded pull rod is provided with a through hole and is sequentially sleeved on the limiting sleeve body; a threaded adjusting nut is further sleeved on the limiting sleeve body, and the threaded pull rod and the welded threaded pull rod are limited between the adjusting nut and the ear plate.

[0016] Specifically, the limiting bolt can pass through the through hole of the internal light hole limiting sleeve and the through hole of the internal thread limiting sleeve in sequence, and the limiting bolt is connected with the through hole of the internal thread limiting sleeve in threaded cooperation.

[0017] Specifically, the clamping hole of the welded threaded pull rod is opposite to the clamping hole of the pull rod, the connecting bolt can pass through the clamping hole of the welded threaded pull rod, the bolt hole on the rear sub-gearbox of the transmission and the clamping hole of the pull rod in sequence and realize threaded connection among the three.

[0018] Specifically, the clamping hole of the threaded pull rod is opposite to the clamping hole of the welded pull rod, the connecting bolt can pass through the clamping hole of the threaded pull rod, the bolt hole on the rear sub-gearbox of the transmission and the clamping hole of the welded pull rod in sequence and realize threaded connection among the three.

[0019] Specifically, the threaded pull rod is a bending piece, the welded threaded pull rod is welded by two parts and is a bending structure; the lower part of the threaded pull rod and the welded threaded pull rod is bent close to vertical.

[0020] Specifically, the pull rod is a bending piece, the welded pull rod is welded by two parts and is a bending structure; the lower part of the pull rod and the welded pull rod is bent close to vertical.

[0021] Compared with the prior art, the utility model has the following technical effects:

[0022] The utility model discloses a special tool for integrally disassembling, hoisting and lifting rear auxiliary gearbox of transmission, which replaces the traditional single rear auxiliary gearbox integrally disassembling, hoisting and lifting tool of transmission, and the adjustability of the tool can adapt to different models of transmission, and the compatibility is strong. The device utilizes the threaded pull rod and the welded threaded pull rod, the pull rod and the welded pull rod to adjust different included angles, can cope with the bolt hole distribution on the rear auxiliary gearbox of different models of transmission, at the same time, effectively avoid the design structure interference on part rear auxiliary gearbox of transmission, the width of the device can be adjusted, is suitable for the thickness of rear auxiliary gearbox shell of different models of transmission, according to the different structure gravity center of rear auxiliary gearbox assembly of different models of transmission, can select corresponding hoisting hole position, the device design structure is reliable, ensures the operation safety, the device design is ingenious, can be folded and is convenient to carry, easy operation. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic drawing of the utility model.

[0024] Figure 2 It is the structure schematic drawing of the utility model.

[0025] Figure 3 It is the adjustable hoisting tool and rear auxiliary gearbox of transmission connection schematic drawing of the utility model.

[0026] Figure 4 It is the adjustable hoisting tool and rear auxiliary gearbox of transmission connection schematic drawing of the utility model.

[0027] Figure 5 It is the welded threaded pull rod schematic drawing.

[0028] Figure 6 It is the threaded pull rod schematic drawing.

[0029] Figure 7 It is the internal thread limit sleeve schematic drawing.

[0030] Figure 8 It is the internal light hole limit sleeve schematic drawing.

[0031] Figure 9 It is the pull rod schematic drawing.

[0032] Figure 10 It is the welded pull rod schematic drawing.

[0033] The meaning of each reference numeral in the drawing is as follows:

[0034] 100. Adjustable lifting fixture, 1. Gearbox rear auxiliary housing, 2. Welded threaded tie rod, 3. Threaded tie rod, 4. Internal threaded limit sleeve, 5. Adjusting nut, 6. Internal smooth hole limit sleeve, 7. Limit bolt, 8. Welded tie rod, 9. Tie rod, 10. Connecting bolt. Detailed Implementation

[0035] The following are specific embodiments of the present invention. It should be noted that the present invention is not limited to the following specific embodiments. All equivalent modifications made based on the technical solutions of this application fall within the protection scope of the present invention.

[0036] Example 1:

[0037] like Figures 1 to 10 As shown, this embodiment provides an adjustable hoisting fixture for the overall disassembly and assembly of the rear auxiliary gearbox of a transmission, including a threaded tie rod 3, a welded threaded tie rod 2, an internal threaded limit sleeve 4, an adjusting nut 5, a tie rod 9, a welded tie rod 8, an internal light hole limit sleeve 6, a limit bolt 7, and a connecting bolt 10.

[0038] The upper ends of both the threaded tie rod 3 and the welded threaded tie rod 2 are fitted onto the internal threaded limiting sleeve 4 via adjusting nuts 5, and the lower ends are provided with mounting holes; the threaded tie rod 3 and the welded threaded tie rod 2 can rotate around the internal threaded limiting sleeve 4 to adjust the included angle between them.

[0039] The upper ends of both the pull rod 9 and the welded pull rod 8 are fitted onto the inner hole limiting sleeve 6 via adjusting nuts 5, and the lower ends are provided with mounting holes; both the pull rod 9 and the welded pull rod 8 can rotate around the inner hole limiting sleeve 6 to adjust the included angle between them.

[0040] The threaded tie rod 3 and the welded threaded tie rod 2 are positioned opposite each other to the tie rod 9 and the welded tie rod 8. By adjusting the included angle between the threaded tie rod 3 and the welded threaded tie rod 2, their mounting holes can be aligned with the bolt holes on one side of the transmission rear auxiliary case and connected to one side of the transmission rear auxiliary case via connecting bolt 10. By adjusting the included angle between the tie rod 9 and the welded tie rod 8, their mounting holes can be aligned with the bolt holes on the other side of the transmission rear auxiliary case and connected to the other side of the transmission rear auxiliary case via connecting bolt 10.

[0041] The internal threaded limiting sleeve 4 and the internal light hole limiting sleeve 6 are connected by limiting bolts 7 and the distance between them can be adjusted by limiting bolts 7 to adapt to different thicknesses of the rear auxiliary housing 1 of the transmission.

[0042] The internal thread limiting sleeve 4 includes a limiting sleeve body with a central through hole, and an ear plate is provided on the upper edge of one end of the limiting sleeve body. The ear plate is provided with a lifting hole. The inner wall of the through hole of the limiting sleeve body is internally threaded, and the outer wall is externally threaded.

[0043] The upper end of the threaded pull rod 3 and the welded threaded pull rod 2 is provided with a through hole, and is sequentially sleeved on the limiting sleeve body; a threaded adjusting nut 5 is sleeved on the limiting sleeve body; the threaded pull rod 3 and the welded threaded pull rod 2 are limited between the adjusting nut 5 and the lug plate.

[0044] The inner smooth hole limiting sleeve 6 comprises a limiting sleeve body with a central through hole; an ear seat is arranged on the upper edge of one end of the limiting sleeve body, and a lifting hole is arranged on the ear seat; the inner wall of the through hole of the limiting sleeve body is smooth, and the outer wall is externally threaded; the through hole of the internally threaded limiting sleeve 4 is coaxially opposite to the through hole of the inner smooth hole limiting sleeve 6.

[0045] The upper end of the pull rod 9 and the welded pull rod 8 is provided with a through hole, and is sequentially sleeved on the limiting sleeve body; a threaded adjusting nut 5 is sleeved on the limiting sleeve body; the pull rod 9 and the welded pull rod 8 are limited between the adjusting nut 5 and the ear seat.

[0046] The limiting bolt 7 can sequentially pass through the through hole of the inner smooth hole limiting sleeve 6 and the through hole of the internally threaded limiting sleeve 4; the limiting bolt 7 is threadedly connected with the through hole of the internally threaded limiting sleeve 4.

[0047] The clamping hole of the welded threaded pull rod 2 is opposite to the clamping hole of the pull rod 9; the connecting bolt 10 can sequentially pass through the clamping hole of the welded threaded pull rod 2, the bolt hole on the rear auxiliary box of the transmission and the clamping hole of the pull rod 9 and realize threaded connection among them.

[0048] The clamping hole of the threaded pull rod 3 is opposite to the clamping hole of the welded pull rod 8; the connecting bolt 10 can sequentially pass through the clamping hole of the threaded pull rod 3, the bolt hole on the rear auxiliary box of the transmission and the clamping hole of the welded pull rod 8 and realize threaded connection among them.

[0049] The threaded pull rod 3 is a bent piece; the welded threaded pull rod 2 is welded by two parts and has a bent structure; the lower part of the threaded pull rod 3 and the welded threaded pull rod 2 is bent close to vertical.

[0050] The pull rod 9 is a bent piece; the welded pull rod 8 is welded by two parts and has a bent structure; the lower part of the pull rod 9 and the welded pull rod 8 is bent close to vertical.

[0051] When the device is used, the welding threaded pull rod and the threaded pull rod are first coupled with the inner threaded limiting sleeve through the shaft hole, then the adjusting nut is linked with the outer thread of the inner threaded limiting sleeve, at this time, the adjusting nut is not tightened, only the limiting effect is achieved, the welding threaded pull rod and the threaded pull rod can be adjusted at an angle, the assembly of one side of the device is completed; then the pull rod and the welding pull rod are coupled through the inner light hole limiting sleeve, then the adjusting nut is linked with the outer thread of the inner threaded limiting sleeve, at this time, the adjusting nut is not tightened, only the limiting effect is achieved, the welding pull rod and the pull rod can be adjusted at an angle, the assembly of the other side of the device is completed; the limiting bolt is linked with the inner thread of the inner threaded limiting sleeve through the inner hole of the inner light hole limiting sleeve, at this time, the limiting bolt only needs to couple the left and right parts of the device;

[0052] When hoisting, according to the bolt distribution hole positions on the rear sub-gearbox of different transmissions, the pull rod and the welding pull rod are adjusted at different angles, the clamping holes on the pull rod and the welding pull rod are overlapped with the selected two bolt distribution hole positions on the rear sub-gearbox, then the two coupling bolts are passed through the overlapped holes, the limiting bolt is adjusted, the distance between the left and right sides of the device is close to the thickness of the rear sub-gearbox shell, then the angle between the threaded pull rod and the welding threaded pull rod is adjusted, the clamping holes on the threaded pull rod and the welding threaded pull rod are overlapped with the selected two bolt distribution hole positions on the rear sub-gearbox, the coupling bolts are tightened, the left and right sides of the device are completely connected with the rear sub-gearbox shell through the threaded clamping holes on the threaded pull rod and the welding threaded pull rod to form an integral whole, according to the structure of the rear sub-gearbox of different transmissions, the hoisting hole on the inner threaded limiting sleeve or the hoisting hole on the inner light hole limiting sleeve can be selected, and the rear sub-gearbox assembly of different models and types of transmissions can be hoisted integrally.

[0053] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0054] In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present application will not further describe various possible combinations.

[0055] In addition, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the technical concept of the present application, and they should also be considered as disclosed content of the present application.

Claims

1. A variable transmission rear sub-transmission integrated disassembly adjustable hoisting tool, characterized in that, It comprises threaded pull rod (3), welded threaded pull rod (2), inner threaded limiting sleeve (4), adjusting nut (5), pull rod (9), welded pull rod (8), inner light hole limiting sleeve (6), limiting bolt (7), connecting bolt (10); The upper end of the threaded pull rod (3) and the welded threaded pull rod (2) is sleeved on the inner threaded limiting sleeve (4) through the adjusting nut (5), and the lower end is provided with a clamping hole; the threaded pull rod (3) and the welded threaded pull rod (2) can rotate around the inner threaded limiting sleeve (4) to adjust the included angle position between them. The upper end of the pull rod (9) and the welded pull rod (8) is sleeved on the inner light hole limiting sleeve (6) through the adjusting nut (5), and the lower end is provided with a clamping hole; the pull rod (9) and the welded pull rod (8) can rotate around the inner light hole limiting sleeve (6) to adjust the included angle position between them. The threaded pull rod (3) and the welded threaded pull rod (2) are opposite to the pull rod (9) and the welded pull rod (8); by adjusting the included angle between the threaded pull rod (3) and the welded threaded pull rod (2), the clamping holes thereof can be respectively aligned with the bolt holes on one side of the rear sub-gearbox of the transmission, and connected with one side of the rear sub-gearbox of the transmission through the connecting bolt (10); by adjusting the included angle between the pull rod (9) and the welded pull rod (8), the clamping holes thereof can be respectively aligned with the bolt holes on the other side of the rear sub-gearbox of the transmission, and connected with the other side of the rear sub-gearbox of the transmission through the connecting bolt (10). The inner threaded limiting sleeve (4) and the inner light hole limiting sleeve (6) are connected through the limiting bolt (7) and can adjust the distance between them through the limiting bolt (7) to adapt to the thickness of the rear sub-gearbox housing (1) of different transmissions.

2. The transmission rear sub-casing integral dismounting adjustable hoisting tool according to claim 1, characterized in that, The inner threaded limiting sleeve (4) comprises a limiting sleeve body with a central through hole, an ear plate is arranged on the upper edge of one end of the limiting sleeve body, and a lifting hole is arranged on the ear plate; the inner wall of the through hole of the limiting sleeve body is internally threaded, and the outer wall is externally threaded.

3. The hoisting tool for the transmission rear sub-casing according to claim 2, characterized in that, The upper end of the threaded pull rod (3) and the welded threaded pull rod (2) is provided with a through hole, and is sequentially sleeved on the limiting sleeve body; a threaded adjusting nut (5) is further sleeved on the limiting sleeve body, and the threaded pull rod (3) and the welded threaded pull rod (2) are limited between the adjusting nut (5) and the ear plate.

4. The hoisting tool for the transmission rear sub-casing according to claim 2, characterized in that, The inner light hole limiting sleeve (6) comprises a limiting sleeve body with a central through hole, an ear seat is arranged on the upper edge of one end of the limiting sleeve body, and a lifting hole is arranged on the ear seat; the inner wall of the through hole of the limiting sleeve body is smooth, and the outer wall is externally threaded; the through hole of the inner threaded limiting sleeve (4) is coaxial with the through hole of the inner light hole limiting sleeve (6).

5. The hoisting tool for the transmission rear sub-casing according to claim 4, characterized in that, The upper end of the pull rod (9) and the welded pull rod (8) is provided with a through hole, and is sequentially sleeved on the limiting sleeve body; a threaded adjusting nut (5) is further sleeved on the limiting sleeve body, and the pull rod (9) and the welded pull rod (8) are limited between the adjusting nut (5) and the ear seat.

6. The hoisting tool for the transmission rear sub-casing according to claim 4, characterized in that, The limiting bolt (7) can sequentially pass through the through hole of the inner light hole limiting sleeve (6) and the through hole of the inner threaded limiting sleeve (4), and the limiting bolt (7) is connected with the through hole of the inner threaded limiting sleeve (4) through the threaded connection.

7. The hoisting tool for the transmission rear sub-casing according to claim 1, characterized in that, The clamping hole of the threaded drawbar (2) is opposite to the clamping hole of the drawbar (9), and the connecting bolt (10) can be sequentially threaded through the clamping hole of the threaded drawbar (2), the bolt hole on the rear sub-gearbox of the transmission, and the clamping hole of the drawbar (9) to realize threaded connection among the three.

8. The transmission rear sub-casing integral dismounting adjustable hoisting tool according to claim 1, characterized in that, The clamping hole of the threaded drawbar (3) is opposite to the clamping hole of the welded drawbar (8), and the connecting bolt (10) can be sequentially threaded through the clamping hole of the threaded drawbar (3), the bolt hole on the rear sub-gearbox of the transmission, and the clamping hole of the welded drawbar (8) to realize threaded connection among the three.

9. The hoisting tool for the transmission rear sub-casing according to claim 1, characterized in that, The threaded drawbar (3) is a bent piece, and the welded threaded drawbar (2) is welded by two parts and has a bent structure; the threaded drawbar (3) and the lower part of the welded threaded drawbar (2) are both bent close to vertical.

10. The hoisting tool for the transmission rear sub-casing according to claim 1, characterized in that, The drawbar (9) is a bent piece, and the welded drawbar (8) is welded by two parts and has a bent structure; the drawbar (9) and the lower part of the welded drawbar (8) are both bent close to vertical.

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