Transmission system of amphibious all-terrain vehicle

By designing an amphibious all-terrain vehicle transmission system with hydraulic drive devices, the problem that existing vehicles cannot turn quickly in complex road conditions is solved, and the rotation and turnover capabilities of the all-terrain vehicle are realized, and the ability to get out of trouble is improved.

CN223030790UActive Publication Date: 2025-06-27HAISHIDA EMERGENCY EQUIPMENT (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202421998302.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-06-27
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

Existing amphibious all-terrain vehicles cannot quickly turn around and get out of trouble in narrow road surfaces or complex water surface conditions.

Method used

A transmission system including an engine, a differential gear box, a front axle driver, a rear axle driver, a coupling, two rear half axles and two front half axles is designed. The forward and reverse rotation of the differential gear set is achieved through a hydraulic drive device, allowing the all-terrain vehicle to rotate and turn around the differential gear box as the center.

Benefits of technology

It has achieved the ability to quickly get out of trouble and turn around the amphibious all-terrain vehicle, and is suitable for complex road conditions and narrow road environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a transmission system of an amphibious all-terrain vehicle, and belongs to the field of all-terrain vehicles. The all-terrain vehicle solves the problems that an existing all-terrain vehicle is large in size and cannot quickly turn around to get out of a trap under narrow road conditions. The transmission system of the amphibious all-terrain vehicle comprises an engine, a differential gear box, a front axle driver, a rear axle driver, a coupler, two rear half shafts and two front half shafts, the front axle driver and the rear axle driver are located at the two ends of the corresponding front half shafts and the two ends of the corresponding rear half shafts respectively, and the differential gear box comprises an input shaft, two differential gear sets and two output shafts. The transmission system comprises an output shaft, an output gear is installed on the output shaft, the two ends of the output shaft are connected with the front half shaft and the rear half shaft respectively through couplings, the transmission system of the amphibious all-terrain vehicle further comprises a hydraulic driving device used for achieving positive and negative rotation of the two differential gear sets, and the hydraulic driving device is located between the two differential gear sets. The utility model has the advantage of simple structure.
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Description

Technical Field

[0001] The utility model belongs to the field of all-terrain vehicles and relates to a transmission system, in particular to a transmission system of an amphibious all-terrain vehicle. Background Art

[0002] An amphibious all-terrain vehicle is a vehicle that can travel on any terrain or on water and can smoothly pass through various complex terrains.

[0003] Generally, amphibious all-terrain vehicles are relatively large in size. In an escape environment with narrow roads or complex water conditions, the vehicle cannot quickly turn around and escape. Therefore, there is an urgent need to develop an all-terrain vehicle that can self-rotate and turn around. Summary of the invention

[0004] The purpose of the utility model is to provide a transmission system for an amphibious all-terrain vehicle to solve the above problems in the prior art.

[0005] The purpose of the utility model can be achieved by the following technical solutions: A transmission system for an amphibious all-terrain vehicle, characterized in that it includes an engine, a differential gear box, a front axle drive, a rear axle drive, a coupling, two rear half shafts and two front half shafts, wherein the engine and the differential gear box are connected by a transmission shaft;

[0006] The two front half shafts and the rear half shaft are respectively located at the front and rear sides of the differential gear box and are connected to the output end of the differential gear box;

[0007] The front axle driver and the rear axle driver are respectively located at two ends of the corresponding front half axle and rear half axle;

[0008] The differential gearbox includes an input shaft connected to the transmission shaft, two differential gear sets for driving the front half shaft and the rear half shaft to operate, and two output shafts drivingly matched with the differential gear sets;

[0009] The output shaft is provided with an output gear which is matched with the differential gear set in driving relation, and the two ends of the output shaft are respectively connected with the front half shaft and the rear half shaft through couplings;

[0010] The transmission system of the amphibious all-terrain vehicle also includes a hydraulic drive device for realizing forward and reverse rotation of two differential gear sets, and the hydraulic drive device is located between the two differential gear sets.

[0011] In the transmission system of the above-mentioned amphibious all-terrain vehicle, both ends of the front half-axle and the rear half-axle are provided with couplings, and the number of the front axle drivers and the rear axle drivers is 4, which are respectively located at the ends of the rear half-axle and the front half-axle.

[0012] In the transmission system of the above-mentioned amphibious all-terrain vehicle, an input gear that is in transmission cooperation with two differential gear sets is arranged on the input shaft. Through the cooperation of the engine, the transmission shaft, the input shaft and the input gear transmission structure, the two differential gear sets are synchronously rotated, and the all-terrain vehicle is driven forward.

[0013] In the transmission system of the above-mentioned amphibious all-terrain vehicle, the hydraulic drive device can be used to realize the forward and reverse rotation of the two differential gear sets, so as to realize the self-rotation and turning of the all-terrain vehicle with the differential gear box as the center.

[0014] In the transmission system of the above-mentioned amphibious all-terrain vehicle, the differential gear box is located at the center of the amphibious all-terrain vehicle, and the front half shaft and the rear half shaft are arranged in a relative structure and are respectively in transmission connection with both ends of the corresponding output shaft.

[0015] Compared with the prior art, the transmission system of the present amphibious all-terrain vehicle has a simple structure, can effectively realize amphibious driving, and self-rotation and turning with the amphibious all-terrain vehicle as the center, greatly improving the ability of quick escape and turning, and is suitable for complex road conditions and narrow roads. Brief Description of the Drawings

[0016] Figure 1 is a three-dimensional structural schematic diagram of the transmission system of the amphibious all-terrain vehicle.

[0017] In the figure, 1. Engine; 2. Differential gear box; 3. Front axle driver; 4. Rear axle driver; 5. Coupling; 6. Rear half shaft; 7. Front half shaft; 8. Input shaft; 9. Differential gear set; 10. Output shaft; 11. Output gear; 12. Hydraulic drive device; 13. Input gear. Detailed Embodiment

[0018] The following are specific embodiments of the present invention and in combination with the drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0019] Such as Figure 1As shown in the figure, the transmission system of the amphibious all-terrain vehicle includes an engine 1, a differential gearbox 2, a front axle drive 3, a rear axle drive 4, a coupling 5, two rear half-axles 6 and two front half-axles 7. The engine 1 is connected to the differential gearbox 2 through a drive shaft. The two front half-axles 7 and the rear half-axles 6 are respectively located on the front and rear sides of the differential gearbox 2 and are connected to the output end of the differential gearbox 2. The front axle drive 3 and the rear axle drive 4 are respectively located at both ends of the corresponding front half-axle 7 and rear half-axle 6. The differential gearbox 2 includes an input shaft 8 connected to the drive shaft, two differential gear sets 9 for driving the front half-axle 7 and the rear half-axle 6 to rotate, and two output shafts 10 in transmission cooperation with the differential gear sets 9. An output gear 11 in transmission cooperation with the differential gear sets 9 is installed on the output shaft 10. Both ends of the output shaft 10 are respectively connected to the front half-axle 7 and the rear half-axle 6 through the coupling 5. The transmission system of the amphibious all-terrain vehicle further includes a hydraulic drive device 12 for realizing the forward and reverse rotation of the two differential gear sets 9. The hydraulic drive device 12 is located between the two differential gear sets 9. This structure is simple, can effectively realize amphibious driving, and can rotate and turn around with the amphibious all-terrain vehicle as the center, greatly improving the ability to quickly get out of trouble and turn around, and is suitable for complex road conditions and narrow roads.

[0020] Forward driving

[0021] The engine 1 drives the input shaft 8 located in the differential gearbox 2 to rotate through the drive shaft. An input gear 13 meshing with the two differential gear sets 9 is provided on the input shaft 8, so as to realize synchronous rotation, and the front half-axle 7 and the rear half-axle 6 are synchronously driven through the output shaft 10 and the output gear 11 located below, so as to realize the operation of the front axle drive 3 and the rear axle drive 4, and drive the amphibious all-terrain vehicle to drive forward.

[0022] Self-rotation and turning around

[0023] The front half-axle 7 and the rear half-axle 6 are arranged in a corresponding structure and are respectively connected to both ends of the corresponding output shaft 10. When a U-turn is required, the hydraulic drive device 12 works, and one of the differential gear sets 9 realizes reverse rotation, so as to realize the forward and reverse rotation of the differential gear sets 9, drive the corresponding front axle drive 3 and rear axle drive 4 to work in the reverse direction, and thus realize the self-rotation and turning around of the amphibious all-terrain vehicle.

[0024] Those skilled in the art should know that controlling the reverse rotation of one of the differential gear sets 9 by the hydraulic drive device 12 belongs to the prior art.

[0025] Preferably, couplings 5 are provided at both ends of the front half-axle 7 and the rear half-axle 6, and the number of the front axle drives 3 and the rear axle drives 4 is 4, which are respectively located at both ends of the rear half-axle 6 and the front half-axle 7.

[0026] Preferably, the input shaft 8 is provided with an input gear 13 which is in transmission cooperation with the two differential gear sets 9. Through the cooperation of the transmission structure of the engine 1, the transmission shaft, the input shaft 8 and the input gear 13, the two differential gear sets 9 can rotate synchronously and the all-terrain vehicle can move forward.

[0027] Preferably, the hydraulic drive device 12 can be used to realize the forward and reverse rotation of the two differential gear sets 9, thereby realizing the self-rotation and U-turn of the all-terrain vehicle with the differential gear box 2 as the center.

[0028] Preferably, the differential gear box 2 is located at the center of the amphibious all-terrain vehicle, and the front half shaft 7 and the rear half shaft 6 are arranged in an opposing structure and are respectively connected to the transmission at both ends of the corresponding output shaft 10.

[0029] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0030] Although the terms such as engine 1, differential gear box 2, front axle drive 3, rear axle drive 4, coupling 5, rear half shaft 6, front half shaft 7, input shaft 8, differential gear set 9, output shaft 10, output gear 11, hydraulic drive device 12, input gear 13 are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A transmission system for an amphibious all-terrain vehicle, characterized in that: It comprises an engine (1), a differential gear box (2), a front axle drive (3), a rear axle drive (4), a coupling (5), two rear half shafts (6) and two front half shafts (7), wherein the engine (1) and the differential gear box (2) are connected via a transmission shaft; The two front half shafts (7) and the rear half shaft (6) are respectively located at the front and rear sides of the differential gear box (2), and are connected to the output end of the differential gear box (2); The front axle driver (3) and the rear axle driver (4) are respectively located at two ends of the corresponding front half-axle (7) and rear half-axle (6); The differential gear box (2) comprises an input shaft (8) connected to a transmission shaft, two differential gear sets (9) for driving the front half shaft (7) and the rear half shaft (6) to operate, and two output shafts (10) in driving cooperation with the differential gear sets (9); An output gear (11) is mounted on the output shaft (10) and is in driving cooperation with the differential gear set (9). Both ends of the output shaft (10) are respectively connected to the front half shaft (7) and the rear half shaft (6) via a coupling (5). The transmission system of the amphibious all-terrain vehicle further comprises a hydraulic drive device (12) for realizing forward and reverse rotation of the two differential gear sets (9); the hydraulic drive device (12) is located between the two differential gear sets (9).

2. The transmission system of the amphibious all-terrain vehicle according to claim 1, characterized in that: Both ends of the front half shaft (7) and the rear half shaft (6) are provided with couplings (5), and the number of the front axle drivers (3) and the rear axle drivers (4) is four, which are respectively located at the ends of the rear half shaft (6) and the front half shaft (7).

3. The transmission system of the amphibious all-terrain vehicle according to claim 1, characterized in that: The input shaft (8) is provided with an input gear (13) which is in transmission cooperation with the two differential gear sets (9); through the cooperation of the transmission structure of the engine (1), the transmission shaft, the input shaft (8) and the input gear (13), the two differential gear sets (9) are rotated synchronously, and the all-terrain vehicle is driven forward.

4. The transmission system of the amphibious all-terrain vehicle according to claim 1, characterized in that: The hydraulic drive device (12) can be used to realize the forward and reverse rotation of the two differential gear sets (9), thereby realizing the self-rotation and U-turn of the all-terrain vehicle with the differential gear box (2) as the center.

5. The transmission system of the amphibious all-terrain vehicle according to claim 1, characterized in that: The differential gear box (2) is located at the center of the amphibious all-terrain vehicle, and the front half shaft (7) and the rear half shaft (6) are arranged in a relative structure and are respectively connected to the transmission ends of the corresponding output shaft (10).