CN212950817U - Independent steering brake axle - Google Patents
Independent steering brake axle Download PDFInfo
- Publication number
- CN212950817U CN212950817U CN202021786616.3U CN202021786616U CN212950817U CN 212950817 U CN212950817 U CN 212950817U CN 202021786616 U CN202021786616 U CN 202021786616U CN 212950817 U CN212950817 U CN 212950817U
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- steering
- brake axle
- shaft
- independent
- square
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Abstract
An independent steering brake axle comprises a brake axle body and an independent steering mechanism for pushing the whole brake axle body to steer, wherein a square axle beam is arranged in the middle of the brake axle body; the independent steering mechanism comprises a steering knuckle provided with a steering shaft, the steering knuckle is arranged on a frame cross beam steel plate and is connected with a square shaft beam through the steering shaft, a steering arm is fixed on the steering shaft, and the steering arm is connected with a steering drive through a steering pull rod. The utility model discloses a knuckle promotes whole brake axle body to turn to realize the independent steering of brake axle body, guarantee the rotation of wheel in the horizontal direction, turn radius is little, and the ability of returning to the straight automatically is good, and tire-road coefficient of friction is little, and the tire slip when reducing to turn to has reduced tire wear and has delayed life; the square axle beam is arranged in the middle of the brake axle body, so that the bearing vertical and horizontal forces, the torsional impact force and the tensile strength of the brake axle body are improved, the structure is compact, and the brake axle has a strong steering function and can be used in narrow working occasions.
Description
Technical Field
The utility model relates to a brake axle, in particular to independently turn to brake axle.
Background
The steering axle of various vehicle types has basically the same structure and mainly comprises an axle beam and a steering knuckle, wherein two disc conical roller bearings on a journal at the outer end of the steering knuckle are tightly connected with a wheel hub, and the steering axle bears vertical load and also bears longitudinal force, lateral force and moment synthesized by the forces. When the vehicle turns, the middle axle beam of the steering axle is still, and the wheels are deflected by a certain angle by using the axle end hinge mechanism so as to realize the turning of the vehicle.
Due to the structural particularity and the influence of factors such as the use environment, the turning radius, the running resistance and the like, the bidirectional trailer transport vehicle has the disadvantages that the shaft end steering (wheel steering) is unrealistic, the vertical load of the tire is changed when the vehicle steers, the vertical load of the tire of the inner side wheel is reduced, the vertical load of the tire of the outer side wheel is increased, the cornering characteristic of the tire is seriously influenced, the steady-state responsiveness of the vehicle is changed, the steering is changed from insufficient steering to excessive steering, the frame is distorted and deformed, the center of gravity is displaced, and the running quality of the vehicle is seriously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a reasonable in design, compact structure, have stronger and turn to the independent steering brake axle that the function satisfies narrow and small work occasion and use.
The utility model aims to solve the technical problem that the technical problem is realized by the following technical scheme, the utility model relates to an independent steering brake axle, which is characterized in that the brake axle comprises a brake axle body and an independent steering mechanism for pushing the whole brake axle body to steer, and the middle part of the brake axle body is provided with a square axle beam; the independent steering mechanism comprises a steering knuckle provided with a steering shaft, the steering knuckle is arranged on a frame cross beam steel plate and is connected with a square shaft beam through the steering shaft, a steering arm is fixed on the steering shaft, and the steering arm is connected with a steering drive through a steering pull rod.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the knuckle includes both ends open-ended connecting sleeve, and connecting sleeve one end opening part is equipped with sealed apron, and connecting sleeve other end opening part is equipped with the stopper, and the steering spindle axle journal passes the stopper and passes through self-lubricating joint bearing dress in connecting sleeve, is equipped with the reducing shaft shoulder with the stopper laminating on the steering spindle axle journal, is equipped with the foraminiferous flange of being connected with frame cross beam steel sheet on the outer tube wall of connecting sleeve.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, self-lubricating joint bearing is equipped with two at least, sets up side by side along the axis direction of steering spindle.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, is equipped with flat bearing on being close to the steering spindle axle journal of stopper.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the steering spindle one end that meets with square axle beam is equipped with the steering spindle fork with square axle beam joint, and it has the pinhole to open on the steering spindle fork, is equipped with the locating pin that passes square axle beam in the pinhole, and the locating pin cover that passes square axle beam has self-lubricating bearing.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme be equipped with the adjusting washer who is used for adjusting both fit-up gaps between axis of rotation and the square axle beam.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the cross-section of square axle beam is the rectangle.
The utility model discloses a knuckle promotes whole brake axle body to turn to realize the independent steering of brake axle body, guarantee the rotation of wheel in the horizontal direction, turn radius is little, and the ability of returning to the straight automatically is good, and tire-road coefficient of friction is little, and the tire slip when reducing to turn to has reduced tire wear and has delayed life; the square axle beam is arranged in the middle of the brake bridge body, so that the vertical and horizontal bearing capacity, the torsional impact force and the tensile strength of the brake bridge body are improved; the self-lubricating joint bearing and the plane bearing are assembled at the corresponding positions of the steering knuckle shaft necks, the self-lubricating joint bearing is free of dead angles in a universal mode, steering operation is convenient, and friction can be reduced by lubricating matching parts. Compared with the prior art, the utility model discloses compact structure has and turns to the function stronger and satisfies narrow and small work occasion and use.
Drawings
FIG. 1 is a schematic diagram of the independent steering brake axle of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a top view from B-B of fig. 2.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings, so as to enable those skilled in the art to further understand the present invention, without constituting a limitation to the right of the present invention.
Referring to fig. 1-3, an independent steering brake axle comprises a brake axle body 1 and an independent steering mechanism for pushing the whole brake axle body to steer, wherein a square axle beam 6 is arranged in the middle of the brake axle body 1; the independent steering mechanism comprises a steering knuckle 3 provided with a steering shaft 2, the steering knuckle 3 is arranged on a frame cross beam steel plate, the steering knuckle 3 is connected with a square shaft beam 6 through the steering shaft 2, a steering arm 5 is fixed on the steering shaft 2, the steering arm 5 is connected with a steering drive through a steering pull rod, the steering of a vehicle is realized, the middle section of the square shaft beam 6 is rectangular, the shaft beam with the rectangular section can bear vertical, horizontal and torsional impact force, and the tensile strength is high;
one end of a steering shaft 2 connected with the square shaft beam 6 is provided with a steering shaft fork 10 clamped with the square shaft beam, the steering shaft fork 10 is provided with a pin hole, a positioning pin 11 penetrating through the square shaft beam is arranged in the pin hole, and a self-lubricating bearing 13 is sleeved on the positioning pin 11 penetrating through the square shaft beam 6; one end of the positioning pin is provided with a thread which is combined and locked with the hexagonal nut, and a pin hole with the outer diameter of the thread is inserted into the cotter pin to prevent looseness, so that the friction between matching parts is reduced, and the positioning pin is flexible and light to rotate; two disc conical roller bearings on the axle journal at the outer end of the axle beam are tightly connected with a wheel hub and bear the vertical load, the longitudinal force (braking force, road friction resistance moment), the lateral force and the moment formed by the forces of the vehicle. The brake drum is connected with a hub flange by a wheel bolt, the brake bottom plate is welded on a shaft neck at the inner end of a shaft beam, an inner expanding type leading-trailing shoe brake shoe is connected with the brake bottom plate by a pin shaft, and under the actuation of an S-shaped cam shaft, the brake shoe is actuated to the inner diameter direction of the brake drum by taking the pin shaft as a fulcrum and is pressed against the inner cylindrical surface of the brake drum, so that the wheel is decelerated until braking;
the axle beam mainly refers to a driven axle beam, is integrally forged and formed by alloy structural steel, reduces the influence of welding deformation and welding stress, and has strong vertical, horizontal and torsional impact bearing capacity and high tensile strength of a rectangular section; the driven axle beam is arranged under the ground, so that the gravity center height of the vehicle is reduced, the visual field of a driver is widened, and the driving stability and the comfort of the vehicle are improved.
The steering knuckle 3 comprises a connecting sleeve 12 with openings at two ends, a sealing cover plate 16 is arranged at an opening at one end of the connecting sleeve 12, a limiting block 15 is arranged at an opening at the other end of the connecting sleeve 12, a steering shaft neck 8 penetrates through the limiting block 15 and is arranged in the connecting sleeve 12 through a self-lubricating joint bearing 7, a reducing shaft shoulder attached to the limiting block 15 is arranged on the steering shaft neck 8, and a perforated flange 4 connected with a frame beam steel plate is arranged on the outer cylinder wall of the connecting sleeve 12;
the self-lubricating joint bearings 7 are at least two and are arranged side by side along the axis direction of the steering shaft 2, the self-lubricating joint bearings are free of dead angles in a universal manner, steering operation is convenient, and friction can be reduced by lubricating matching parts.
The plane bearing 9 is arranged on the steering shaft journal 8 close to the limiting block 15, the plane bearing is added, the joint bearing can keep the flexibility of movement at any angle, the required power is small, the operation is convenient, the rotation is light, the axial force and the radial force can be borne, the bearing gap does not need to be lubricated and adjusted, and the service life is long.
An adjusting washer 14 for adjusting the assembling clearance between the rotating shaft 2 and the square shaft beam 6 is arranged between the rotating shaft and the square shaft beam, so that the assembly is more convenient.
The utility model discloses the axis of all wheels is crossing in a bit, and the steering is nimble light, through the steering arm drive, guarantees the rotation of wheel on the horizontal direction, and turning radius is little, and automatic aligning ability is good, and tire-road coefficient of friction is little, and the tire slides when reducing to turn to, has reduced tire wear and has postponed life.
The above embodiments are only used to clearly illustrate the technical solutions of the present invention, and the protection scope of the present invention includes but is not limited to the above embodiments, and any suitable changes or substitutions made by those skilled in the art according to the claims of the present invention and any shown technical fields should fall within the patent protection scope of the present invention.
Claims (8)
1. An independent steering brake axle, characterized in that: the brake axle comprises a brake axle body and an independent steering mechanism for pushing the whole brake axle body to steer, wherein a square axle beam is arranged in the middle of the brake axle body; the independent steering mechanism comprises a steering knuckle provided with a steering shaft, the steering knuckle is arranged on a frame cross beam steel plate and is connected with a square shaft beam through the steering shaft, a steering arm is fixed on the steering shaft, and the steering arm is connected with a steering drive through a steering pull rod.
2. The steer-independent brake axle of claim 1, wherein: the steering knuckle comprises a connecting sleeve with two open ends, a sealing cover plate is arranged at the opening at one end of the connecting sleeve, a limiting block is arranged at the opening at the other end of the connecting sleeve, a steering shaft neck penetrates through the limiting block and is arranged in the connecting sleeve through a self-lubricating joint bearing, a reducing shaft shoulder attached to the limiting block is arranged on the steering shaft neck, and a flange with a hole connected with a frame beam steel plate is arranged on the outer cylinder wall of the connecting sleeve.
3. The steer-independent brake axle of claim 2, wherein: the self-lubricating joint bearings are at least two and are arranged side by side along the axis direction of the steering shaft.
4. The steer-independent brake axle of claim 2, wherein: a plane bearing is arranged on the steering shaft journal close to the limiting block.
5. The steer-independent brake axle of claim 1, wherein: and one end of the steering shaft connected with the square shaft beam is provided with a steering shaft fork clamped with the square shaft beam, the steering shaft fork is provided with a pin hole, and a positioning pin penetrating through the square shaft beam is arranged in the pin hole.
6. The steer-independent brake axle of claim 5, wherein: the locating pin penetrating through the square shaft beam is sleeved with a self-lubricating bearing.
7. The steer-independent brake axle of claim 1, wherein: and an adjusting washer for adjusting the assembling clearance between the steering shaft and the square shaft beam is arranged between the steering shaft and the square shaft beam.
8. The steer-independent brake axle of claim 1, wherein: the cross section of the square shaft beam is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021786616.3U CN212950817U (en) | 2020-08-25 | 2020-08-25 | Independent steering brake axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021786616.3U CN212950817U (en) | 2020-08-25 | 2020-08-25 | Independent steering brake axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212950817U true CN212950817U (en) | 2021-04-13 |
Family
ID=75357778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021786616.3U Active CN212950817U (en) | 2020-08-25 | 2020-08-25 | Independent steering brake axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212950817U (en) |
-
2020
- 2020-08-25 CN CN202021786616.3U patent/CN212950817U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |