Steering axle with small offset and large gear spacing

Abstract

The utility model discloses a steering axle with small offset and large gear spacing, which relates to the technical field of steering axles, and comprises a main body unit, a connecting unit arranged at the side part of the main body unit, a damping unit arranged between the connecting unit and the main body unit, and a braking unit arranged at the end part of the main body unit, the connecting unit comprises a fixed seat mounted on the side wall of the main body unit, a hydraulic oil cylinder mounted on the side wall of the fixed seat, and a rotating arm assembly mounted at the telescopic end of the hydraulic oil cylinder; the damping unit comprises a first connecting base installed on the side wall of the fixed base, a second connecting base installed on the side wall of the rotating arm assembly and a damper assembly arranged between the first connecting base and the second connecting base. According to the steering axle with the small offset and the large gear spacing, the road trafficability is improved through the connecting units and the damping units, and the bearing capacity is high.

Description

Technical Field

[0001] The utility model relates to the technical field of steering axles, in particular to a steering axle with small offset and large gear spacing. Background Art

[0002] On the one hand, the demand for commercial vehicle (trucks, trailers) transportation capacity is increasing, and the demand for application scenarios is also increasing, which puts forward the requirements for greater load-bearing capacity and better passability for commercial vehicle axle design. On the other hand, with the guidance of national policies, energy conservation, environmental protection, and energy efficiency improvement are also urgent issues to be solved. This has prompted axle products to improve load-bearing capacity, improve environmental adaptability (passability), and their own lightweight design.

[0003] After searching in the announcement number: CN212500643U, a steering axle is disclosed, including a bridge body, a left steering knuckle, a right steering knuckle, a steering cylinder and a wheel hub, the two ends of the bridge body are rotatably connected with the left steering knuckle and the right steering knuckle respectively, and the left steering knuckle and the right steering knuckle are both equipped with rotation detection sensors for detecting steering angle data, and the left steering knuckle and the right steering knuckle are respectively equipped with a wheel hub, the left end of the steering cylinder is rotatably connected to the left steering knuckle, and the right end of the steering cylinder is rotatably connected to the right steering knuckle, and the wheel hub is equipped with a temperature sensor and an alarm sensor for detecting brake caliper friction pads, and the rotation detection sensor, the temperature sensor and the alarm sensor are all electrically connected to the on-board computer; the advantages of this utility model are: it can detect and replace the key parts of the steering axle throughout the life cycle, realize the precise steering of the steering axle and the real-time detection of key parts, and improve the safety and stability of the vehicle during driving.

[0004] Although the above scheme can detect and replace the key parts of the steering axle throughout its life cycle, realize the precise steering of the steering axle and the real-time detection of key parts, its road passability and carrying capacity are poor. For this reason, we propose a steering axle with small offset and large gear spacing. Utility Model Content

[0005] The main purpose of the utility model is to provide a steering axle with small offset and large gear spacing, and to solve the problems of poor road passability and poor load-bearing capacity by setting a connecting unit and a shock-absorbing unit.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A steering axle with small offset and large gear spacing comprises a main body unit, a connecting unit arranged at the side of the main body unit, a shock absorbing unit arranged between the connecting unit and the main body unit, and a braking unit arranged at the end of the main body unit;

[0008] The connection unit comprises a fixing seat mounted on the side wall of the main unit, a hydraulic cylinder mounted on the side wall of the fixing seat, and a rotating arm assembly mounted on the telescopic end of the hydraulic cylinder;

[0009] The shock absorbing unit comprises a first connecting seat installed on the side wall of the fixing seat, a second connecting seat installed on the side wall of the rotating arm assembly, and a shock absorber assembly arranged between the first connecting seat and the second connecting seat.

[0010] Preferably, the main body unit includes a main shaft, a connecting arm installed at an end of the main shaft, and a steering knuckle movably installed at the end of the connecting arm.

[0011] Preferably, the main body unit further comprises a hub disc assembly mounted on the side of the steering knuckle, and a tire mounted on the peripheral side of the hub disc assembly.

[0012] Preferably, one end of the shock absorber assembly is movably connected to the first connecting seat, and the other end is movably connected to the second connecting seat.

[0013] Preferably, the brake unit comprises a wheel hub with a brake disc mounted on the inner side wall of the wheel hub disc assembly, and a brake caliper mounted on the side wall of the wheel hub with the brake disc.

[0014] Preferably, the brake unit further comprises a temperature sensor mounted on the surface of the wheel hub brake disc.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, by setting the connection unit and the shock absorbing unit, when the vehicle is moving forward, the hydraulic oil in the hydraulic cylinder is in a pressure-free state, that is, the piston rod of the hydraulic cylinder can move freely, the wheel hub assembly and the rotating arm assembly can also swing freely, and the shock absorber assembly can reduce vibration and reduce damage to the axle parts; when the vehicle is reversing, the hydraulic cylinder is filled with high-pressure oil to reset the piston rod of the hydraulic cylinder to the middle position of the main shaft, and the piston rod of the hydraulic cylinder drags the rotating arm assembly and the wheel hub assembly to reset and straighten. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the brake unit and its connecting components of the utility model;

[0020] Figure 4This is a schematic diagram of the three-dimensional structure of the connecting arm of the utility model;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the steering knuckle assembly of the utility model.

[0022] In the figure:

[0023] 1. Main unit; 101. Main shaft; 102. Connecting arm; 103. Steering knuckle; 104. Wheel hub assembly; 105. Tire;

[0024] 2. Connecting unit; 201. Fixing seat; 202. Hydraulic cylinder; 203. Rotating arm assembly;

[0025] 3. shock absorbing unit; 301. first connecting seat; 302. second connecting seat; 303. shock absorber assembly;

[0026] 4. Braking unit; 401. Wheel hub with brake disc; 402. Brake caliper; 403. Temperature sensor. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Example

[0028] like Figure 1 , Figure 2 , Figure 4 as well as Figure 5 As shown, a steering axle with small offset and large gear spacing includes a main unit 1, a connecting unit 2 arranged at the side of the main unit 1, a shock absorbing unit 3 arranged between the connecting unit 2 and the main unit 1, and a brake unit 4 arranged at the end of the main unit 1;

[0029] like Figure 2 As shown, the connection unit 2 includes a fixing base 201 installed on the side wall of the main unit 1, a hydraulic cylinder 202 installed on the side wall of the fixing base 201, and a rotating arm assembly 203 installed at the telescopic end of the hydraulic cylinder 202. When the hydraulic cylinder 202 is extended or retracted, the rotating arm assembly 203 can be driven to rotate synchronously;

[0030] like Figure 2 As shown, the shock absorbing unit 3 includes a first connecting seat 301 installed on the side wall of the fixed seat 201, a second connecting seat 302 installed on the side wall of the rotating arm assembly 203, and a shock absorber assembly 303 arranged between the first connecting seat 301 and the second connecting seat 302. The arrangement of the first connecting seat 301 and the second connecting seat 302 can transfer kinetic energy between the shock absorber assembly 303 and the rotating arm assembly 203.

[0031] like Figure 1 , Figure 4 and Figure 5 As shown, the main unit 1 includes a main shaft 101, a connecting arm 102 installed at the end of the main shaft 101, and a steering knuckle 103 movably installed at the end of the connecting arm 102. When the steering knuckle 103 rotates, the hub disc assembly 104 can be driven to rotate synchronously. The connecting arm 102 has a 10° backward tilt angle, a small offset to reduce its own force, a large gear spacing to improve its carrying capacity, and a light weight; the steering knuckle 103 has a smaller offset to reduce its own force, a large gear spacing to improve its carrying capacity; it is light in weight, and the connecting arm 102 cooperates with the steering knuckle 103 to achieve a maximum steering angle of 25°, which can greatly improve the vehicle's passability in narrow roads and other environments.

[0032] like Figure 1 As shown, the main unit 1 also includes a hub assembly 104 installed on the side of the steering knuckle 103, and a tire 105 installed on the side of the hub assembly 104. The tire 105 adopts a wide-spaced tread pattern to increase the grip on the ground.

[0033] like Figure 2 As shown, one end of the shock absorber assembly 303 is movably connected to the first connecting seat 301 , and the other end is movably connected to the second connecting seat 302 , so as to buffer the impact vibration received by the second connecting seat 302 .

[0034] When the vehicle is moving forward, the hydraulic oil in the hydraulic cylinder (202) is in a pressure-free state, that is, the piston rod of the hydraulic cylinder (202) can move freely, the hub assembly (104) and the rotating arm assembly (203) can also swing freely, and the shock absorber assembly (303) can reduce vibration and reduce damage to the axle parts. The axle equipped with the connecting arm (102) and the steering knuckle (103) can reduce the distance between the steering knuckle 103 and the edge of the tire 105 to a greater extent under the same wheelbase and the same tire 105 size, thereby obtaining a larger axle tube length, thereby increasing the installation space of the leaf spring, and improving the stress condition of the axle as a whole, thereby increasing the service life. Example

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a steering axle with small offset and large gear spacing includes a main unit 1, a connecting unit 2 arranged at the side of the main unit 1, a shock absorbing unit 3 arranged between the connecting unit 2 and the main unit 1, and a brake unit 4 arranged at the end of the main unit 1;

[0036] like Figure 2As shown, the connection unit 2 includes a fixing base 201 installed on the side wall of the main unit 1, a hydraulic cylinder 202 installed on the side wall of the fixing base 201, and a rotating arm assembly 203 installed at the telescopic end of the hydraulic cylinder 202. When the hydraulic cylinder 202 is extended or retracted, the rotating arm assembly 203 can be driven to rotate synchronously;

[0037] like Figure 2 As shown, the shock absorbing unit 3 includes a first connecting seat 301 installed on the side wall of the fixed seat 201, a second connecting seat 302 installed on the side wall of the rotating arm assembly 203, and a shock absorber assembly 303 arranged between the first connecting seat 301 and the second connecting seat 302. The arrangement of the first connecting seat 301 and the second connecting seat 302 can transfer kinetic energy between the shock absorber assembly 303 and the rotating arm assembly 203.

[0038] like Figure 1 , Figure 4 and Figure 5 As shown, the main unit 1 includes a main shaft 101, a connecting arm 102 installed at the end of the main shaft 101, and a steering knuckle 103 movably installed at the end of the connecting arm 102. When the steering knuckle 103 rotates, the hub disc assembly 104 can be driven to rotate synchronously. The connecting arm 102 has a 10° backward tilt angle, a small offset to reduce its own force, a large gear spacing to improve its carrying capacity, and a light weight; the steering knuckle 103 has a smaller offset to reduce its own force, a large gear spacing to improve its carrying capacity; it is light in weight, and the connecting arm 102 cooperates with the steering knuckle 103 to achieve a maximum steering angle of 25°, which can greatly improve the vehicle's passability in narrow roads and other environments.

[0039] like Figure 1 As shown, the main unit 1 also includes a hub assembly 104 installed on the side of the steering knuckle 103, and a tire 105 installed on the side of the hub assembly 104. The tire 105 adopts a wide-spaced tread pattern to increase the grip on the ground.

[0040] like Figure 2 As shown, one end of the shock absorber assembly 303 is movably connected to the first connecting seat 301 , and the other end is movably connected to the second connecting seat 302 , so as to buffer the impact vibration received by the second connecting seat 302 .

[0041] like Figure 3 As shown, the brake unit 4 includes a hub with a brake disc 401 installed on the inner wall of the hub disc assembly 104, and a brake caliper 402 installed on the side wall of the hub with the brake disc 401. The setting of the brake caliper 402 can brake the hub disc assembly 104 when it rotates.

[0042] like Figure 3As shown, the brake unit 4 further includes a temperature sensor 403 installed on the surface of the wheel hub brake disc 401. The temperature sensor 403 can monitor the temperature between the brake caliper 402 and the wheel hub disc assembly 104 during friction braking.

[0043] When the vehicle is reversing, the hydraulic cylinder 202 is filled with high-pressure oil to reset the piston rod of the hydraulic cylinder 202 to the middle position of the main shaft 101, and the piston rod of the hydraulic cylinder 202 drags the rotating arm assembly 203 and the hub assembly 104 to reset and straighten.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A steering axle with small offset and large gear spacing, comprising a main unit (1), characterized in that: It also comprises a connecting unit (2) arranged at the side of the main unit (1), a shock absorbing unit (3) arranged between the connecting unit (2) and the main unit (1), and a braking unit (4) arranged at the end of the main unit (1); The connection unit (2) comprises a fixing seat (201) mounted on the side wall of the main unit (1), a hydraulic cylinder (202) mounted on the side wall of the fixing seat (201), and a rotating arm assembly (203) mounted on the telescopic end of the hydraulic cylinder (202); The shock absorbing unit (3) comprises a first connecting seat (301) mounted on a side wall of a fixing seat (201), a second connecting seat (302) mounted on a side wall of a rotating arm assembly (203), and a shock absorber assembly (303) arranged between the first connecting seat (301) and the second connecting seat (302).

2. A steering axle with small offset and large gear spacing according to claim 1, characterized in that: The main body unit (1) comprises a main shaft (101), a connecting arm (102) mounted on the end of the main shaft (101), and a steering knuckle (103) movably mounted on the end of the connecting arm (102).

3. A steering axle with small offset and large gear spacing according to claim 2, characterized in that: The main body unit (1) further comprises a wheel hub assembly (104) mounted on the side of the steering knuckle (103), and a tire (105) mounted on the peripheral side of the wheel hub assembly (104).

4. A steering axle with small offset and large gear spacing according to claim 3, characterized in that: One end of the shock absorber assembly (303) is movably connected to the first connection seat (301), and the other end is movably connected to the second connection seat (302).

5. The steering axle with small offset and large gear spacing according to claim 1, characterized in that: The brake unit (4) comprises a wheel hub with a brake disc (401) mounted on the inner side wall of the wheel hub disc assembly (104), and a brake caliper (402) mounted on the side wall of the wheel hub with a brake disc (401).

6. A steering axle with small offset and large gear spacing according to claim 5, characterized in that: The brake unit (4) also includes a temperature sensor (403) mounted on the surface of the wheel hub brake disc (401).

Images