A flexible steering axle device

Abstract

The utility model relates to the technical field of steering axles, and in particular to a steering axle device that is flexible in use, including a main shaft box, the outer wall of the main shaft box is fixedly connected to a steering axle body, one end of the steering axle body is fixedly connected to a fixing ring, the inner wall of the fixing ring is rotatably connected to a connecting rod pin, a wheel hub is arranged on the connecting rod pin, the middle end of the inner wall of the main shaft box is rotatably connected to a driving shaft, and the driving shaft is connected to a connecting block through a gear transmission structure. The utility model can connect the driving gear to the steering system of the vehicle through the gear transmission structure, and the driving gear can rotate through the control of the steering system. The driven gear is connected to the wheel hub, and when the driving gear rotates, the driven gear will also rotate accordingly through the meshing action between the gears, thereby driving the wheel hub to rotate left and right, having higher flexibility when steering, and greatly increasing adaptability.

Description

Technical Field

[0001] The utility model relates to the technical field of steering axles, in particular to a steering axle device which is flexible in use. Background Art

[0002] The steering axle device is an important automobile mechanical component. The steering axle refers to the axle that is responsible for steering. Usually, the front axle of a general automobile is a steering axle. For a four-wheel steering vehicle, both the front and rear axles are steering axles. The steering axle device is widely used in various types of automobiles, especially trucks, tractors and other large transportation vehicles. It is of great significance to improve the handling and stability of the vehicle.

[0003] In the field of vehicle engineering, the steering axle device is an important part of the vehicle steering system, and its performance directly affects the vehicle's handling, stability and safety. However, the traditional steering axle device has certain limitations in design and structure, especially under complex road conditions or heavy load conditions, the steering flexibility and accuracy are often greatly affected. Utility Model Content

[0004] The purpose of the utility model is to solve the problems that the existing but traditional steering axle device has certain limitations in design and structure, especially in complex road conditions or heavy load conditions, the flexibility and accuracy of steering are often greatly affected, and to propose a steering axle device that is flexible in use.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A steering axle device with flexible use comprises a main spindle box, the outer wall of the main spindle box is fixedly connected to a steering axle body, one end of the steering axle body is fixedly connected to a fixing ring, the inner wall of the fixing ring is rotatably connected to a connecting rod pin, a hub is provided on the connecting rod pin, the middle end of the inner wall of the main spindle box is rotatably connected to a driving shaft, and the driving shaft is connected to a connecting block through a gear transmission structure.

[0007] Preferably, the gear transmission structure includes a first connecting tooth, a second connecting tooth, a chain, a driven shaft, a third connecting tooth, a first gear, a second gear, a right-side arc rack, a fourth connecting tooth, a third gear, a fourth gear, and a left-side arc rack. The top end of the driving shaft passes through the main shaft box, the first connecting tooth and the second connecting tooth are fixedly connected to the outer wall of the driving shaft, and the connecting block is fixedly connected to the outer wall of the connecting rod pin.

[0008] Preferably, the driven shaft is evenly distributed, the driven shaft is rotatably connected to the inner wall of the steering bridge body, the third connecting tooth is fixedly connected to the driven shaft on the right side, the first gear is fixedly connected to the middle end of the driven shaft on the right side, the second gear is fixedly connected to the middle end of the driven shaft on the right side, and the right arc rack is fixedly connected to the middle end of the outer wall of the connecting rod pin on the right side.

[0009] Preferably, the first connecting tooth is connected to the third connecting tooth through a chain, the first gear is meshed with the second gear, and the second gear is meshed with the right circular arc rack.

[0010] Preferably, the fourth connecting tooth is fixedly connected to the driven shaft on the left, the third gear is fixedly connected to the middle end of the driven shaft on the left, the fourth gear is fixedly connected to the middle end of the driven shaft on the left, and the left arc rack is fixedly connected to the middle end of the outer wall of the connecting rod pin on the left.

[0011] Preferably, the second connecting tooth is connected to the fourth connecting tooth through a chain, the third gear is meshed with the fourth gear, and the fourth gear is meshed with the left circular arc rack.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. When the utility model is in use, the gear transmission structure is provided so that the driving gear is connected to the steering system of the vehicle, and the driving gear can rotate through the control of the steering system. The driven gear is connected to the wheel hub, and when the driving gear rotates, the driven gear will also rotate accordingly through the meshing action between the gears, thereby driving the wheel hub to rotate left and right, which has higher flexibility when turning and greatly increases adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a flexible steering bridge device proposed by the utility model;

[0015] Figure 2 A schematic diagram of a half-section three-dimensional structure of a flexible steering bridge device proposed by the utility model;

[0016] Figure 3 The utility model is a schematic diagram of the internal three-dimensional structure of a steering axle device with flexible use.

[0017] In the figure: 1 spindle box, 2 steering bridge body, 3 fixing ring, 4 connecting rod pin, 5 wheel hub, 6 driving shaft, 7 connecting block, 8 first connecting tooth, 9 second connecting tooth, 10 chain, 11 driven shaft, 12 third connecting tooth, 13 first gear, 14 second gear, 15 right circular arc rack, 16 fourth connecting tooth, 17 third gear, 18 fourth gear, 19 left circular arc rack. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] Reference Figure 1-Figure 3 A steering axle device with flexible use includes a main spindle box 1, the outer wall of the main spindle box 1 is fixedly connected to a steering axle body 2, one end of the steering axle body 2 is fixedly connected to a fixing ring 3, the inner wall of the fixing ring 3 is rotatably connected to a connecting rod pin 4, the connecting rod pin 4 is provided with a hub 5, the middle end of the inner wall of the main spindle box 1 is rotatably connected to a driving shaft 6, and the driving shaft 6 is connected to a connecting block 7 through a gear transmission structure.

[0020] It should be noted that the chain 10 and the hub 5 are existing technologies, and the specific model specifications need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it is not repeated here.

[0021] Furthermore, the gear transmission structure includes a first connecting tooth 8, a second connecting tooth 9, a chain 10, a driven shaft 11, a third connecting tooth 12, a first gear 13, a second gear 14, a right arc rack 15, a fourth connecting tooth 16, a third gear 17, a fourth gear 18, and a left arc rack 19. The top end of the driving shaft 6 passes through the spindle box 1, the first connecting tooth 8 and the second connecting tooth 9 are fixedly connected to the outer wall of the driving shaft 6, and the connecting block 7 is fixedly connected to the outer wall of the connecting rod pin 4.

[0022] The first connecting teeth 8 are arranged below the second connecting teeth 9, and the positions of the first connecting teeth 8 and the second connecting teeth 9 are symmetrically arranged.

[0023] Furthermore, the driven shaft 11 is evenly distributed, the driven shaft 11 is rotatably connected to the inner wall of the steering bridge body 2, the third connecting tooth 12 is fixedly connected to the driven shaft 11 on the right, the first gear 13 is fixedly connected to the middle end of the driven shaft 11 on the right, the second gear 14 is fixedly connected to the middle end of the driven shaft 11 on the right, and the right arc rack 15 is fixedly connected to the middle end of the outer wall of the right connecting rod pin 4.

[0024] The outer wall of the connecting block 7 is fixedly connected with the wheel hub 5, so that when the connecting rod pin 4 rotates, the connecting block 7 can be driven to rotate, and the connecting block 7 drives the wheel hub 5 to rotate left and right.

[0025] Furthermore, the first connecting tooth 8 is connected to the third connecting tooth 12 through the chain 10 , the first gear 13 is meshed with the second gear 14 , and the second gear 14 is meshed with the right circular arc rack 15 .

[0026] Among them, the second gear 14 is arranged on the right side of the first gear 13, the right arc rack 15 is arranged on the right side of the second gear 14, the first gear 13 and the second gear 14 and the right arc rack 15 are arranged on the same plane, and the third connecting tooth 12 is arranged below the first gear 13.

[0027] Furthermore, the fourth connecting tooth 16 is fixedly connected to the driven shaft 11 on the left, the third gear 17 is fixedly connected to the middle end of the driven shaft 11 on the left, the fourth gear 18 is fixedly connected to the middle end of the driven shaft 11 on the left, and the left arc rack 19 is fixedly connected to the middle end of the outer wall of the connecting rod pin 4 on the left.

[0028] The fourth connecting tooth 16 and the second connecting tooth 9 are located in the same plane, and the fourth connecting tooth 16 is disposed above the third gear 17 .

[0029] Furthermore, the second connecting tooth 9 is connected to the fourth connecting tooth 16 through the chain 10 , the third gear 17 and the fourth gear 18 are meshed with each other, and the fourth gear 18 and the left circular arc rack 19 are meshed with each other.

[0030] The third gear 17 is arranged on the left side of the fourth gear 18, the left circular arc rack 19 is arranged on the left side of the fourth gear 18, and the third gear 17, the fourth gear 18 and the left circular arc rack 19 are arranged on the same plane.

[0031] Working principle: The steering axle is installed as a whole in the vehicle, and the steering system of the vehicle drives the driving shaft 6 to rotate left and right. The driving shaft 6 drives the first connecting tooth 8 and the second connecting tooth 9 to rotate. The first connecting tooth 8 drives the third connecting tooth 12 to rotate through the chain 10. The third connecting tooth 12 drives the driven shaft 11 to rotate. The driven shaft 11 drives the first gear 13 to rotate. The first gear 13 drives the second gear 14 to rotate. The second gear 14 drives the right circular arc rack 15 to rotate. The right circular arc rack 15 drives the connecting rod pin 4 to rotate. The connecting rod pin 4 drives the connecting block 7 to rotate. The connecting block 7 drives the wheel hub 5 to rotate left and right.

[0032] The second connecting tooth 9 drives the fourth connecting tooth 16 to rotate through the chain 10, the fourth connecting tooth 16 drives the driven shaft 11 to rotate, the driven shaft 11 drives the third gear 17 to rotate, the third gear 17 drives the fourth gear 18 to rotate, the fourth gear 18 drives the left circular arc rack 19 to rotate, the left circular arc rack 19 drives the connecting rod pin 4 to rotate, the connecting rod pin 4 drives the connecting block 7 to rotate, the connecting block 7 drives the wheel hub 5 to rotate left and right, and under the action of the gear transmission, when the driving shaft 6 rotates to the left, the wheel hubs 5 on both sides rotate to the left, driving the wheel hubs 5 to rotate left and right, which has higher flexibility when turning and greatly increases the adaptability.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steering axle device with flexible use, comprising a main shaft box (1), characterized in that: The outer wall of the spindle box (1) is fixedly connected to a steering bridge body (2), one end of the steering bridge body (2) is fixedly connected to a fixing ring (3), the inner wall of the fixing ring (3) is rotatably connected to a connecting rod pin (4), a wheel hub (5) is provided on the connecting rod pin (4), the middle end of the inner wall of the spindle box (1) is rotatably connected to a driving shaft (6), and the driving shaft (6) is connected to a connecting block (7) via a gear transmission structure.

2. A flexible steering axle device according to claim 1, characterized in that: The gear transmission structure comprises a first connecting tooth (8), a second connecting tooth (9), a chain (10), a driven shaft (11), a third connecting tooth (12), a first gear (13), a second gear (14), a right circular arc rack (15), a fourth connecting tooth (16), a third gear (17), a fourth gear (18), and a left circular arc rack (19); the top end of the driving shaft (6) passes through the spindle box (1); the first connecting tooth (8) and the second connecting tooth (9) are fixedly connected to the outer wall of the driving shaft (6); and the connecting block (7) is fixedly connected to the outer wall of the connecting rod pin (4).

3. A flexible steering axle device according to claim 2, characterized in that: The driven shafts (11) are evenly distributed and rotatably connected to the inner wall of the steering bridge body (2); the third connecting tooth (12) is fixedly connected to the right driven shaft (11); the first gear (13) is fixedly connected to the middle end of the right driven shaft (11); the second gear (14) is fixedly connected to the middle end of the right driven shaft (11); and the right circular arc rack (15) is fixedly connected to the middle end of the outer wall of the right connecting rod pin (4).

4. A flexible steering axle device according to claim 3, characterized in that: The first connecting tooth (8) is connected to the third connecting tooth (12) via a chain (10); the first gear (13) and the second gear (14) are meshed with each other; and the second gear (14) and the right circular arc gear rack (15) are meshed with each other.

5. The flexible steering axle device according to claim 2, characterized in that: The fourth connecting tooth (16) is fixedly connected to the driven shaft (11) on the left side, the third gear (17) is fixedly connected to the middle end of the driven shaft (11) on the left side, the fourth gear (18) is fixedly connected to the middle end of the driven shaft (11) on the left side, and the left arc rack (19) is fixedly connected to the middle end of the outer wall of the connecting rod pin (4) on the left side.

6. The flexible steering axle device according to claim 5, characterized in that: The second connecting tooth (9) is connected to the fourth connecting tooth (16) via a chain (10); the third gear (17) and the fourth gear (18) are meshed with each other; and the fourth gear (18) and the left circular arc gear rack (19) are meshed with each other.

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