Six-drive chassis structure with inner span balanced suspension system

Abstract

The invention relates to the technical field of chassis, and discloses a six-drive chassis structure with an inner span balanced suspension system.The six-drive chassis structure is composed of a frame, a first mounting frame, a second mounting frame, a front axle tube, a first rear axle tube and a second rear axle tube, the first mounting frame and the second mounting frame are both mounted on the frame, a first mounting shaft is mounted on the first mounting frame, and a second mounting shaft is mounted on the second mounting frame; a first plate spring is installed on the first installation shaft in a clamped mode, a plurality of second plate springs are fixed to the first plate spring through hoops, the front axle tube is installed on the first plate spring and the second plate springs through fixing pieces, the lengths of the second plate springs are sequentially reduced from top to bottom, a second installation shaft is installed on the second installation frame, an installation plate is arranged on the second installation shaft, and the first plate spring and the second plate spring are arranged on the installation plate. A plurality of third plate springs are arranged on the mounting plate through fixing pieces, connecting pieces are mounted on the first rear axle tube, and the first rear axle tube is connected with one ends of the third plate springs through the connecting pieces. According to the invention, the situation that the vehicle cannot run normally due to rollover is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of chassis, and in particular to a six-wheel drive chassis structure with an inner-span balanced suspension system. Background Art

[0002] Agricultural tricycles are easy to operate, compact and flexible, inexpensive and easy to maintain. They are currently widely used in rural field operations and transportation, especially in the harvest season. They have become an indispensable means of transportation for the people. Agricultural tricycles can be used to transport a variety of goods and can be used for short-distance transportation on mountain roads where other vehicles cannot travel. They are currently one of the most important means of transportation in mountainous areas.

[0003] However, the existing agricultural tricycles still have many defects:

[0004] When used on uneven roads or mountain roads, the vehicle is prone to rollover and cannot drive normally, affecting its safety. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a six-wheel drive chassis structure with an inner-span balanced suspension system.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a six-wheel drive chassis structure with an inner-span balanced suspension system, comprising a vehicle frame, a mounting frame 1, a mounting frame 2, a front axle tube, a rear axle tube 1, and a rear axle tube 2, wherein the mounting frame 1 and the mounting frame 2 are both mounted on the vehicle frame, a mounting shaft 1 is mounted on the mounting frame 1, a leaf spring 1 is clamped and mounted on the mounting shaft 1, a plurality of leaf springs 2 are fixed on the leaf spring 1 by a clamp, the front axle tube is mounted on the leaf spring 1 and the leaf spring 2 by a fixing member, the length of the leaf spring 2 decreases from top to bottom, and the leaf spring 1 The two leaf springs are bent upwards, and a mounting shaft is installed on the mounting frame 2. A mounting plate is provided on the mounting shaft 2. A plurality of leaf springs 3 are provided on the mounting plate through fixing parts. The lengths of the plurality of leaf springs 3 increase from top to bottom and are bent downwards. A connecting part is installed on the rear axle tube 1. The rear axle tube 1 is connected to one end of the leaf spring 3 through the connecting part. A pull rod 1 is movably installed between the rear axle tube 1 and the mounting frame 2. The rear axle tube 2 is symmetrically arranged with respect to the plurality of leaf springs 3. A pull rod 2 is movably installed between the rear axle tube 2 and the mounting frame 2.

[0007] Differential 1, differential 2 and differential 3 are respectively installed at the middle positions of the front axle tube, rear axle tube 1 and rear axle tube 2, a time sharer is installed below the frame, and differential 1, differential 2 and differential 3 are all connected to the time sharer through a transmission shaft, a cab and an engine body are installed on the frame, and the engine body is located in front of the cab, the time sharer is connected to the engine body through a conveyor belt to provide power for the time sharer, and a regulator is provided in the cab, and the regulator is used to adjust the working state of the time sharer (the working state is two-wheel drive, four-wheel drive and six-wheel drive).

[0008] The differential 1, differential 2 and differential 3 are the same. The differential 2 consists of a housing, a drive shaft, an output shaft, a bevel gear 1, a disc gear, a bevel gear 2, a bevel gear 3 and a bevel gear 4. The housing is installed on the rear axle tube 1, and the drive shaft is rotatably installed on the housing. A transmission shaft is connected between the drive shaft and the time sharer, and the output shaft is rotatably installed in the rear axle tube 1 and extends into the housing. The bevel gear 1 is installed on the transmission shaft, and the disc gear and the bevel gear 2 are both installed on the output shaft. The bevel gear 1 is meshed with the disc gear, and a connecting frame is installed on the disc gear, and a rotating shaft is installed on the connecting frame. The bevel gear 3 and the bevel gear 4 are both installed on the rotating shaft, and the bevel gear 3 and the bevel gear 4 are both meshed with the bevel gear 2. The bevel gear 2 and the output shaft are symmetrically arranged about the rotating axis, and wheels are installed on the two output shafts.

[0009] The bevel gear 1, the disc gear, the bevel gear 2, the bevel gear 3 and the bevel gear 4 are all located in the housing.

[0010] A carriage body is hingedly mounted on the frame, and a hydraulic rod is movably connected between the carriage body and the frame.

[0011] A pull rod three is movably installed between the second differential and the third differential and the vehicle frame.

[0012] The present invention has the following beneficial effects:

[0013] The leaf spring 3 is bent downward and the rear axle tube 1 and the rear axle tube 2 are installed at both ends, so that when the device moves to a convex position or a concave position, the wheel at the convex position or the concave position rises or falls, and the other wheel moves oppositely, so that the inclination of the carriage body is kept in a safe position, thereby avoiding the situation where the vehicle rolls over and cannot drive normally;

[0014] 2. The transmission shaft drives the driving shaft to rotate, the driving shaft drives the bevel gear 1 to rotate, the bevel gear 1 drives the disc gear to rotate, the disc gear drives the output shaft to rotate, the output shaft drives the bevel gear 2 to rotate, the bevel gear 2 drives the bevel gear 4 to rotate, the bevel gear 4 drives the bevel gear 2 and the output shaft symmetrical with the rotation axis to rotate, so that the wheel rotates and moves;

[0015] When the device moves to a loose soil or muddy position, the driving mode is changed through the regulator, so that the device can easily pass through the loose soil or muddy road. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall structural diagram of a six-wheel drive chassis structure with an inner-span balanced suspension system of the present invention;

[0017] Figure 2 for Figure 1 A magnified view of part A;

[0018] Figure 3 for Figure 1 A magnified view of part B;

[0019] Figure 4 for Figure 1 Magnified view of part C

[0020] Figure 5 It is an overall structural development diagram of a six-wheel drive chassis structure with an inner-span balanced suspension system of the present invention;

[0021] Figure 6 It is an installation diagram of leaf spring 1, leaf spring 2 and leaf spring 3 of a six-wheel drive chassis structure with an inner-span balanced suspension system of the present invention;

[0022] Figure 7 A chassis structure diagram of a six-wheel drive chassis structure with an inner-span balanced suspension system according to the present invention;

[0023] Figure 8 It is a schematic diagram of the connection between a time-sharer and a first differential, a second differential and a third differential of a six-wheel drive chassis structure with an inner-span balanced suspension system of the present invention;

[0024] Fig. 9 The second structure of the differential of the six-wheel drive chassis structure with an inner span balanced suspension system of the present invention is shown in FIG. Figure 1 ;

[0025] Fig.10 The second structure of the differential of the six-wheel drive chassis structure with an inner span balanced suspension system of the present invention is shown in FIG. Figure 2 .

[0026] Legend:

[0027] 1. Frame; 2. Mounting frame 1; 3. Mounting frame 2; 4. Front axle tube; 5. Rear axle tube 1; 6. Rear axle tube 2; 7. Mounting shaft 1; 8. Leaf spring 1; 9. Leaf spring 2; 10. Mounting shaft 2; 11. Mounting plate; 12. Leaf spring 3; 13. Connector; 14. Tie rod 1; 15. Tie rod 2; 16. Differential 1; 17. Differential 2; 18. Differential 3; 19. Timer; 20. Housing; 21. Drive shaft; 22. Output shaft; 23. Bevel gear 1; 24. Disc gear; 25. Bevel gear 2; 26. Bevel gear 3; 27. Bevel gear 4; 28. Transmission shaft; 29. ​​Connecting frame; 30. Rotating shaft; 31. Wheel; 32. Carriage body; 33. Hydraulic rod; 34. Tie rod 3; 35. Cab; 36. Engine body. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Reference Figures 1 to 10 As shown, the present invention adopts the following technical scheme: a six-wheel drive chassis structure with an inner span balanced suspension system, comprising a vehicle frame 1, a mounting frame 1 2, a mounting frame 2 3, a front axle tube 4, a rear axle tube 1 5, and a rear axle tube 2 6, wherein the mounting frame 1 2 and the mounting frame 2 3 are both mounted on the vehicle frame 1, a mounting shaft 1 7 is mounted on the mounting frame 1 2, a leaf spring 1 8 is clamped and mounted on the mounting shaft 1 7, a plurality of leaf springs 2 9 are fixed to the leaf spring 1 8 by a clamp, the front axle tube 4 is mounted on the leaf spring 1 8 and the leaf spring 2 9 by a fixing member, the length of the leaf spring 2 9 decreases from top to bottom, and the leaf spring 1 8 and the leaf spring 2 9 are both bent upward The mounting frame 23 is curved, and a mounting shaft 2 10 is installed on the mounting shaft 2 10, and a mounting plate 11 is provided on the mounting plate 11, and a plurality of leaf springs 3 12 are provided on the mounting plate 11 through fixing parts, and the lengths of the plurality of leaf springs 3 12 increase from top to bottom and are all bent downward, and a connecting piece 13 is installed on the rear axle tube 1 5, and the rear axle tube 1 5 is connected to one end of the leaf spring 3 12 through the connecting piece 13, and a pull rod 14 is movably installed between the rear axle tube 1 5 and the mounting frame 2 3, and the rear axle tube 2 6 is symmetrically arranged with respect to the plurality of leaf springs 3 12, and a pull rod 2 15 is movably installed between the rear axle tube 2 6 and the mounting frame 2 3.

[0030] The differential 16, differential 2 17 and differential 3 18 are the same. The differential 2 17 consists of a housing 20, a drive shaft 21, an output shaft 22, a bevel gear 1 23, a disc gear 24, a bevel gear 25, a bevel gear 3 26, and a bevel gear 4 27. The housing 20 is mounted on the rear axle tube 1 5, the drive shaft 21 is rotatably mounted on the housing 20, a transmission shaft 28 is connected between the drive shaft 21 and the time divider 19, the output shaft 22 is rotatably mounted in the rear axle tube 1 5 and extends into the housing 20, and the bevel gear 1 23 is mounted on the transmission shaft 28. On the driving shaft 28, the disc gear 24 and the bevel gear 25 are both installed on the output shaft 22, the bevel gear 1 23 is meshed with the disc gear 24, a connecting frame 29 is installed on the disc gear 24, a rotating shaft 30 is installed on the connecting frame 29, the bevel gear 3 26 and the bevel gear 4 27 are both installed on the rotating shaft 30, the bevel gear 3 26 and the bevel gear 4 27 are both meshed with the bevel gear 2 25, the bevel gear 2 25 and the output shaft 22 are symmetrically arranged about the rotating shaft 30, and the two output shafts 22 are installed with wheels 31.

[0031] Differential 16, differential 2 17 and differential 3 18 are respectively installed at the middle positions of the front axle tube 4, rear axle tube 1 5 and rear axle tube 2 6. A time divider 19 is installed below the frame 1. The differential 1 16, differential 2 17 and differential 3 18 are all connected to the time divider 19 through a transmission shaft 28. A cab 35 and an engine body 36 are installed on the frame 1. The engine body 36 is located in front of the cab 35. The time divider 19 is connected to the engine body 36 through a conveyor belt to provide power for the time divider 19. A regulator is provided in the cab 35, and the regulator is used to adjust the working state of the time divider 19.

[0032] The bevel gear 1 23 , the disc gear 24 , the bevel gear 2 25 , the bevel gear 3 26 , and the bevel gear 4 27 are all located in the housing 20 .

[0033] A carriage body 32 is hingedly mounted on the frame 1 , and a hydraulic rod 33 is movably connected between the carriage body 32 and the frame 1 .

[0034] A pull rod 34 is movably installed between the second differential 17 and the third differential 18 and the vehicle frame 1 .

[0035] When using:

[0036] When the device moves to a raised position or a concave position, since the rear axle tube 1 5 and the rear axle tube 2 6 are installed at both ends of the leaf spring 3 12 (there is a certain distance between the two wheels 31), the wheel 31 at the raised position or the concave position rises or falls, and the other wheel 31 moves oppositely, so that the inclination of the carriage body 32 is kept in a safe position, thereby avoiding the vehicle from rolling over, being unable to drive normally, and affecting its safety;

[0037] During normal operation (differential gear 2 17 is running), transmission shaft 28 drives driving shaft 21 to rotate, driving shaft 21 rotates to drive bevel gear 1 23, bevel gear 1 23 rotates to drive disc gear 24, disc gear 24 rotates to drive output shaft 22, output shaft 22 rotates to drive bevel gear 2 25, bevel gear 2 25 rotates to drive bevel gear 4 27, bevel gear 4 27 rotates to drive bevel gear 2 25 and output shaft 22 symmetrical to rotation axis 30, thereby causing wheel 31 to rotate and move;

[0038] When the device moves to a loose soil or muddy position, the driving mode is changed by the regulator (one of the differential 16 or the differential 3 18 is operated or both are operated simultaneously), so that the device can easily pass through the loose soil or muddy road.

[0039] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A six-wheel drive chassis structure with an inner-span balanced suspension system, comprising a vehicle frame (1), a mounting frame 1 (2), a mounting frame 2 (3), a front axle tube (4), a rear axle tube 1 (5), and a rear axle tube 2 (6), wherein the mounting frame 1 (2) and the mounting frame 2 (3) are both mounted on the vehicle frame (1), a mounting shaft 1 (7) is mounted on the mounting frame 1 (2), a leaf spring 1 (8) is clamped and mounted on the mounting shaft 1 (7), a plurality of leaf springs 2 (9) are fixed to the leaf spring 1 (8) through a clamp, the front axle tube (4) is mounted on the leaf spring 1 (8) and the leaf spring 2 (9) through a fixing member, the length of the leaf spring 2 (9) decreases from top to bottom, the leaf spring 1 (8) and the leaf spring 2 (9) are both bent upward, and the mounting frame 1 (2) and the rear axle tube (3) are both mounted on the vehicle frame (1), the mounting frame 1 (2) is mounted on the leaf spring 1 (8), and the leaf spring 1 (8) is clamped and mounted on the leaf spring 1 (7), a plurality of leaf springs 2 (9) are fixed to the leaf spring 1 (8) through a clamp, the front axle tube (4) is mounted on the leaf spring 1 (8) and the leaf spring 2 (9) through a fixing member, the length of the leaf spring 2 (9) decreases from top to bottom, the leaf spring 1 (8) and the leaf spring 2 (9) are bent upward, and the mounting frame 1 (2) and the rear axle tube (3) are both mounted on the vehicle frame (1), and the mounting frame 1 (2) is mounted on the leaf spring 1 (8). A mounting shaft 2 (10) is installed on the frame 2 (3), a mounting plate (11) is provided on the mounting shaft 2 (10), a plurality of leaf springs 3 (12) are provided on the mounting plate (11) through a fixing member, the lengths of the plurality of leaf springs 3 (12) increase from top to bottom and are all bent downward, a connecting member (13) is installed on the rear axle tube 1 (5), the rear axle tube 1 (5) is connected to one end of the leaf spring 3 (12) through the connecting member (13), a pull rod 1 (14) is movably installed between the rear axle tube 1 (5) and the mounting frame 2 (3), the rear axle tube 2 (6) is symmetrically arranged with respect to the plurality of leaf springs 3 (12), and a pull rod 2 (15) is movably installed between the rear axle tube 2 (6) and the mounting frame 2 (3).

2. A six-wheel drive chassis structure with an inner-span balanced suspension system according to claim 1, characterized in that: A differential (16), a differential (17) and a differential (18) are installed at the middle positions of the front axle tube (4), the rear axle tube (5) and the rear axle tube (6), respectively. A time divider (19) is installed below the vehicle frame (1). The differential (16), the differential (17) and the differential (18) are connected to the time divider (19) via a transmission shaft (28). A cab (35) and an engine body (36) are installed on the vehicle frame (1). The engine body (36) is located in front of the cab (35). The time divider (19) and the engine body (36) are connected via a conveyor belt to provide power for the time divider (19). A regulator is provided in the cab (35). The regulator is used to adjust the working state of the time divider (19).

3. The six-wheel drive chassis structure with an inner-span balanced suspension system according to claim 1, characterized in that: The differential 1 (16), the differential 2 (17) and the differential 3 (18) are the same. The differential 2 (17) comprises a housing (20), a drive shaft (21), an output shaft (22), a bevel gear 1 (23), a disc gear (24), a bevel gear 2 (25), a bevel gear 3 (26) and a bevel gear 4 (27). The housing (20) is mounted on the rear axle tube 1 (5). The drive shaft (21) is rotatably mounted on the housing (20). A transmission shaft (28) is connected between the drive shaft (21) and the time divider (19). The output shaft (22) is rotatably mounted in the rear axle tube 1 (5) and extends into the housing (20). The bevel gear 1 (23) is mounted on the rear axle tube 1 (5). On the transmission shaft (28), the disc gear (24) and the bevel gear 2 (25) are both mounted on the output shaft (22), the bevel gear 1 (23) meshes with the disc gear (24), a connecting frame (29) is mounted on the disc gear (24), a rotating shaft (30) is mounted on the connecting frame (29), the bevel gear 3 (26) and the bevel gear 4 (27) are both mounted on the rotating shaft (30), the bevel gear 3 (26) and the bevel gear 4 (27) are both meshed with the bevel gear 2 (25), the bevel gear 2 (25) and the output shaft (22) are symmetrically arranged about the rotating shaft (30), and wheels (31) are mounted on the two output shafts (22).

4. The six-wheel drive chassis structure with an inner-span balanced suspension system according to claim 1, characterized in that: The bevel gear 1 (23), the disc gear (24), the bevel gear 2 (25), the bevel gear 3 (26) and the bevel gear 4 (27) are all located in the housing (20).

5. The six-wheel drive chassis structure with an inner-span balanced suspension system according to claim 1, characterized in that: A carriage body (32) is hingedly mounted on the vehicle frame (1), and a hydraulic rod (33) is movably connected between the carriage body (32) and the vehicle frame (1).

6. The six-wheel drive chassis structure with an inner-span balanced suspension system according to claim 1, characterized in that: A pull rod 3 (34) is movably installed between the differential 2 (17) and the differential 3 (18) and the vehicle frame (1).

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