Integrated gear for gearbox of heavy truck

By designing integrated gears, the movement of the sliding sleeve on the shaft drives different groups of gears, the problem of fixing the existing gear position is solved and the efficiency and scope of use is improved.

CN222880268UActive Publication Date: 2025-05-16TAIZHOU LIHUA MACNINERY
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Patent Information

Application Number
CN202421871160.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-05-16
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The existing gears are fixed on the rotating shaft, making it difficult to adjust the position of the helical gear, which affects the efficiency of use and narrows the scope of use.

Method used

An integrated gear is designed, including a rotating shaft, a fixed sleeve and a sliding sleeve. The inner side of the sliding sleeve is rotatably connected to the outer wall of the rotating shaft. Helical gears are fixedly installed at both ends, and by adjusting the movement of the sliding sleeve on the rotating shaft, different groups of gears are driven to operate.

Benefits of technology

It realizes flexible adjustment of the gear set, improves the efficiency of use, and expands the scope of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of gears, and particularly relates to an integrated gear for a gearbox of a heavy truck, which comprises a rotating shaft, a fixing sleeve and a sliding sleeve, and the inner side of the sliding sleeve is rotatably connected with the outer wall of the rotating shaft. First bevel gears are fixedly connected to the two ends of the sliding sleeve correspondingly, connecting clamping grooves are formed in the two ends of the sliding sleeve correspondingly, and fixing clamping frames are fixedly connected to the two ends of the outer wall of the rotating shaft correspondingly; clamping blocks fixed to the inner sides of the fixing clamping frames correspond to the connecting clamping grooves. The two ends of the sliding sleeve are each fixedly provided with a first bevel gear. The inner wall of the sliding sleeve is slidably connected with the rotating shaft, and the inner wall of a guide groove formed in the outer wall of the rotating shaft is slidably connected with the outer wall of a guide block fixed to the inner wall of the sliding sleeve; fixing clamping frames are fixedly installed at the two ends of the rotating shaft correspondingly, and clamping blocks in sliding connection with the inner walls of connecting clamping grooves formed in the two ends of the sliding sleeve are installed on the inner sides of the fixing clamping frames. And the sliding sleeve is controlled to move on the rotating shaft, so that the gears in different groups are driven to rotate.
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Description

Technical Field

[0001] The utility model relates to the technical field of gears, in particular to an integrated gear for a heavy truck gearbox. Background Art

[0002] A device that changes the speed ratio and direction of movement. It is used in automobiles, tractors, ships, machine tools and various machines to change the torque, speed and direction of movement transmitted from the driving shaft to the driven shaft according to different working conditions. The gearbox of the gear transmission is generally composed of a housing and several gear pairs.

[0003] The gearbox is a gearbox that changes the transmission ratio and direction of movement. It is located between the clutch and the central transmission. The main functions are: to change the driving force and driving speed of the vehicle (shifting) under the condition of constant engine speed and torque; to enable the vehicle to travel in reverse (changing direction); and to stop the engine without shutting down (neutral). According to the transmission form, the gearbox can be divided into three types: double-shaft type, three-shaft type, and combination type. The double-shaft type has two main shafts (excluding the reverse shaft) and is reduced by only one pair of gears. The three-shaft type has three main shafts (first shaft, intermediate shaft, second shaft) and is reduced by two pairs of gears. The combination type is composed of two gearboxes in series or parallel, so that more gears can be obtained with fewer gears.

[0004] The positions of existing gears on the rotating shaft are relatively fixed, so it is not convenient to adjust the positions of the bevel gears to drive different groups of gear mechanisms to operate respectively, which affects the use efficiency and reduces the scope of use.

[0005] To this end, we invented the integrated gear for heavy truck transmissions. Utility Model Content

[0006] In view of the above problems and / or the problems existing in the existing one-piece gears for heavy truck gearboxes, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide an integrated gear for a heavy truck gearbox, which can solve the above-mentioned problem that the position of the existing gear on the rotating shaft is relatively fixed, so it is not convenient to adjust the position of the bevel gear to drive different groups of gear mechanisms to operate separately, which affects the efficiency of use and narrows the scope of use.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] An integrated gear for a heavy truck gearbox comprises: a rotating shaft and a fixed sleeve, and also comprises a sliding sleeve, the inner side of the sliding sleeve being rotatably connected to the outer wall of the rotating shaft;

[0010] Both ends of the sliding sleeve are fixedly connected with the bevel gear 1, both ends of the sliding sleeve are provided with connecting slots, and both ends of the outer wall of the rotating shaft are fixedly connected with fixed card frames.

[0011] As a preferred solution of the integrated gear for the heavy truck gearbox described in the utility model, the clamping block fixed on the inner side of the fixed clamping frame corresponds to the connecting clamping groove and is slidably connected to the inner wall thereof.

[0012] As a preferred solution for the integrated gear for heavy truck gearbox described in the utility model, a guide groove is provided on the outer wall of the rotating shaft between the two groups of fixed card frames, a guide block is slidably connected to the inner wall of the guide groove, and the end of the guide block away from the guide groove is fixedly connected to the inner wall of the sliding sleeve.

[0013] As a preferred solution of the integrated gear for a heavy truck gearbox described in the utility model, the outer wall of the fixed sleeve is connected to an adjusting component for driving the sliding sleeve to move along the outer wall of the rotating shaft.

[0014] As a preferred solution of the integrated gear for a heavy truck gearbox of the utility model, the adjustment component includes:

[0015] A fixed sleeve, the inner side of which is rotatably connected to the outer wall of the sliding sleeve via a bearing, a connecting frame is fixedly installed on both sides of the outer wall of the fixed sleeve, and a connecting block is rotatably connected to the inner side of the connecting frame.

[0016] As a preferred solution of the integrated gear for a heavy truck gearbox described in the utility model, one end of the connecting block away from the connecting frame is connected to a pushing mechanism.

[0017] As a preferred solution of the integrated gear for heavy truck gearbox described in the utility model, the pushing mechanism includes a fixed frame, a guide sleeve is provided on the inner side of the fixed frame, both ends of the guide sleeve are rotatably connected to the inner wall of the fixed frame, the inner wall of the guide sleeve is slidably connected to a connecting rod, and one end of the connecting rod is fixedly connected to an end of the connecting block away from the fixed sleeve.

[0018] As a preferred solution for the integrated gear for heavy truck gearbox described in the utility model, an L-shaped support frame is fixedly installed on the top of the fixed frame, a motor is fixedly installed on the top of the L-shaped support frame, the output end of the motor passes through the L-shaped support frame and is connected to an L-shaped connecting rod, a connecting groove is provided on the side of the connecting rod close to the motor, and the inner wall of the connecting groove is slidably connected to the outer wall of the L-shaped connecting rod at one end away from the motor.

[0019] Compared with existing technologies:

[0020] A bevel gear is fixedly installed at both ends of the sliding sleeve; the inner wall of the sliding sleeve is slidably connected to the rotating shaft, and the inner wall of the guide groove opened on the outer wall of the rotating shaft is slidably connected to the outer wall of the guide block fixed on the inner wall of the sliding sleeve; and fixed clamping frames are respectively fixedly installed at both ends of the rotating shaft, and clamping blocks slidably connected to the inner walls of the connecting clamping grooves opened at both ends of the sliding sleeve are installed on the inner side of the fixed clamping frames; by controlling the movement of the sliding sleeve on the rotating shaft, different groups of gears are driven to rotate separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is the front view of the utility model;

[0022] Figure 2 A front view showing the sliding connection between the guide block fixed on the inner side of the sliding sleeve and the inner wall of the guide groove provided on the outer wall of the rotating shaft;

[0023] Figure 3 This is the front view of the rotating shaft of the utility model;

[0024] Figure 4 This is the front view of the sliding sleeve of the utility model;

[0025] Figure 5 This is a front view of the outer wall of the fixed sleeve and the sliding sleeve being rotatably connected in the utility model;

[0026] Figure 6 For this utility model Figure 5 Side view of

[0027] Figure 7 For this utility model Figure 5 A cross-sectional view of

[0028] Figure 8 This is a schematic diagram of the utility model in use.

[0029] In the figure: shaft 1, fixed card frame 2, connecting card slot 3, sliding sleeve 4, bevel gear 1 5, bevel gear 2 6, guide slot 7, guide block 8, fixed sleeve 9, connecting frame 10, connecting block 11, connecting rod 12, fixed frame 13, guide sleeve 14, adjustment structure, L-shaped support frame 15, motor 16, L-shaped connecting rod 17, connecting slide slot 18. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0031] Embodiment 1:

[0032] The utility model provides an integrated gear for a heavy truck gearbox, which has the advantages of being easy to use and improving efficiency. Figure 1-3, including a rotating shaft 1 and a fixed sleeve 9, and also including a sliding sleeve 4, the inner side of the sliding sleeve 4 is rotatably connected to the outer wall of the rotating shaft 1;

[0033] Both ends of the sliding sleeve 4 are fixedly connected with a bevel gear 1 5 , both ends of the sliding sleeve 4 are provided with a connecting slot 3 , and both ends of the outer wall of the rotating shaft 1 are fixedly connected with a fixed card frame 2 .

[0034] The card block fixed inside the fixed card frame 2 corresponds to the connecting card slot 3 and is slidably connected to the inner wall thereof.

[0035] During specific use, those skilled in the art will fix bevel gears 5 on both ends of the sleeve 4, which are the first group of bevel gears 5 and the second group of bevel gears 5 respectively; the inner wall of the sleeve 4 is slidably connected to the rotating shaft 1, and fixedly installed with fixed clamping frames 2 on both ends of the rotating shaft 1, and the inner side of the fixed clamping frames 2 is provided with clamping blocks slidably connected to the inner walls of the connecting clamping grooves 3 opened at both ends of the sleeve 4; by controlling the movement of the sleeve 4 on the rotating shaft 1, different groups of gears are driven to rotate separately.

[0036] Embodiment 2:

[0037] The utility model provides an integrated gear for a heavy truck gearbox. Please refer to Figure 4 A guide groove 7 is provided on the outer wall of the rotating shaft 1 between the two groups of fixed card frames 2 , and a guide block 8 is slidably connected to the inner wall of the guide groove 7 . The end of the guide block 8 away from the guide groove 7 is fixedly connected to the inner wall of the sliding sleeve 4 .

[0038] In specific use, those skilled in the art will fix the bevel gears 5 at both ends of the sliding sleeve 4, namely the first group of bevel gears 5 and the second group of bevel gears 5; the inner wall of the sliding sleeve 4 is slidably connected with the rotating shaft 1, the guide block 8 is fixedly installed on the inner wall of the sliding sleeve 4, the guide groove 7 is opened on the outer wall of the rotating shaft 1, and the inner wall of the guide groove 7 is slidably connected with the outer wall of the guide block 8;

[0039] A fixed card frame 2 is fixedly installed at both ends of the rotating shaft 1, and a card block slidably connected to the inner wall of the connecting card slot 3 opened at both ends of the sliding sleeve 4 is installed on the inner side of the fixed card frame 2; by controlling the movement of the sliding sleeve 4 on the rotating shaft 1, different groups of gears are driven to rotate separately.

[0040] Embodiment three:

[0041] The utility model provides an integrated gear for a heavy truck gearbox. Please refer to Figure 5-7 The outer wall of the sliding sleeve 4 is rotatably connected to a fixed sleeve 9 through a bearing, and connecting frames 10 are fixedly installed on both sides of the outer wall of the fixed sleeve 9, and a connecting block 11 is rotatably connected to the inner side of the connecting frame 10;

[0042] A guide sleeve 14 is provided on the inner side of the fixing frame 13, and both ends of the guide sleeve 14 are rotatably connected to the inner wall of the fixing frame 13. A connecting rod 12 is slidably connected to the inner wall of the guide sleeve 14, and one end of the connecting rod 12 is fixedly connected to an end of the connecting block 11 away from the fixing sleeve 9;

[0043] An L-shaped support frame 15 is fixedly installed on the top of the fixed frame 13, and a motor 16 is fixedly installed on the top of the L-shaped support frame 15. The output end of the motor 16 passes through the L-shaped support frame 15 and is connected to an L-shaped connecting rod 17. A connecting groove 18 is opened on the side of the connecting rod 12 close to the motor 16, and the inner wall of the connecting groove 18 is slidably connected to the outer wall of the end of the L-shaped connecting rod 17 away from the motor 16.

[0044] In specific use, bevel gears 5 are fixedly installed at both ends of the sliding sleeve 4, which are the first group of bevel gears 5 and the second group of bevel gears 5 respectively; the inner wall of the sliding sleeve 4 is slidably connected with the rotating shaft 1, a guide block 8 is fixedly installed on the inner wall of the sliding sleeve 4, a guide groove 7 is provided on the outer wall of the rotating shaft 1, and the inner wall of the guide groove 7 is slidably connected with the outer wall of the guide block 8;

[0045] A fixed card frame 2 is fixedly installed at both ends of the rotating shaft 1, and a card block slidably connected to the inner wall of the connecting card slot 3 opened at both ends of the sliding sleeve 4 is installed on the inner side of the fixed card frame 2; by controlling the movement of the sliding sleeve 4 on the rotating shaft 1, different groups of gears are driven to rotate respectively;

[0046] The motor 16 is controlled to drive the L-shaped connecting rod 17 to rotate left and right to adjust the angle. The end of the L-shaped connecting rod 17 away from the motor 16 moves along the connecting slot 18 opened at the top of the connecting rod 12, and drives the connecting rod 12 to tilt. The connecting rod 12 drives the sliding sleeve 4 to move along the outer wall of the rotating shaft 1 through the connecting frame 10 and the fixed sleeve 9, and drives the bevel gears 5 at both ends to move through the sliding sleeve 4, thereby driving different groups of gears to rotate.

[0047] Embodiment 4:

[0048] The utility model provides an integrated gear for a heavy truck gearbox. Please refer to Figure 1-8 , bevel gears 2 6 are fixedly installed at both ends of the rotating shaft 2, and the meshing ratios of the two sets of bevel gears 2 6 are different. Therefore, by adjusting the connection between the two sets of bevel gears 1 5 and one of the two sets of bevel gears 2 6, the speed of the rotating shaft 2 can be adjusted to improve efficiency and expand the scope of use.

[0049] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An integrated gear for a heavy truck gearbox, comprising a rotating shaft (1) and a fixing sleeve (9), characterized in that: It also comprises a sliding sleeve (4), the inner side of which is rotatably connected to the outer wall of the rotating shaft (1); Both ends of the sliding sleeve (4) are fixedly connected to a bevel gear 1 (5), both ends of the sliding sleeve (4) are provided with a connecting slot (3), and both ends of the outer wall of the rotating shaft (1) are fixedly connected to a fixed clamping frame (2).

2. The integrated gear for a heavy truck transmission according to claim 1, characterized in that: The card block fixed on the inner side of the fixed card frame (2) corresponds to the connecting card slot (3) and is slidably connected to the inner wall thereof.

3. The integrated gear for a heavy truck transmission according to claim 2, characterized in that: A guide groove (7) is provided on the outer wall of the rotating shaft (1) between the two groups of fixed clamping frames (2); a guide block (8) is slidably connected to the inner wall of the guide groove (7); and one end of the guide block (8) away from the guide groove (7) is fixedly connected to the inner wall of the sliding sleeve (4).

4. The integrated gear for a heavy truck transmission according to claim 1, characterized in that: The outer wall of the fixed sleeve (9) is connected to an adjustment component for driving the sliding sleeve (4) to move along the outer wall of the rotating shaft (1).

5. The integrated gear for a heavy truck transmission according to claim 4, characterized in that: The adjustment component comprises: A fixed sleeve (9), wherein the inner side of the fixed sleeve (9) is rotatably connected to the outer wall of the sliding sleeve (4) via a bearing, a connecting frame (10) is fixedly mounted on both sides of the outer wall of the fixed sleeve (9), and a connecting block (11) is rotatably connected to the inner side of the connecting frame (10).

6. The integrated gear for a heavy truck transmission according to claim 5, characterized in that: One end of the connection block (11) away from the connection frame (10) is connected to a pushing mechanism.

7. The integrated gear for a heavy truck transmission according to claim 6, characterized in that: The pushing mechanism comprises a fixed frame (13), a guide sleeve (14) is provided on the inner side of the fixed frame (13), two ends of the guide sleeve (14) are rotatably connected to the inner wall of the fixed frame (13), a connecting rod (12) is slidably connected to the inner wall of the guide sleeve (14), and one end of the connecting rod (12) is fixedly connected to an end of the connecting block (11) away from the fixed sleeve (9).

8. The integrated gear for a heavy truck transmission according to claim 7, characterized in that: An L-shaped support frame (15) is fixedly mounted on the top of the fixed frame (13), a motor (16) is fixedly mounted on the top of the L-shaped support frame (15), an output end of the motor (16) passes through the L-shaped support frame (15) and is connected to an L-shaped connecting rod (17), a connecting groove (18) is provided on a side of the connecting rod (12) close to the motor (16), and an inner wall of the connecting groove (18) is slidably connected to an outer wall of an end of the L-shaped connecting rod (17) away from the motor (16).