阅读说明：本技术 车辆悬架及其耐磨板 (Vehicle suspension and wear-resisting plate thereof ) 是由 徐本祥 汪友 于 2021-02-19 设计创作，主要内容包括：本发明提供了一种专用车、车辆悬架及其耐磨板,其中,耐磨板包括板体、凸出部、限位部。板体具有用于与车辆悬架中导向臂支架贴合的第一面及与该第一面间隔相对的第二面；板体上设有贯穿第一面和第二面的第一装配孔；凸出部凸设于第二面上；该凸出部上贯穿设有第二装配孔,第二装配孔正对第一装配孔设置；凸出部具有用于与车辆悬架中导向臂摩擦接触的摩擦面,摩擦面与第二面间隔相对；限位部凸设于板体上并用于与导向臂支架的边缘相抵靠,使得板体的第一面与导向臂支架的内壁面贴合,仅凸出部上的摩擦面与导向臂发生运动摩擦,从而减少了耐磨板和导向臂支架之间的磨损,降低了摩擦噪音,还能够延长耐磨板和导向臂支架的使用寿命。(The invention provides a special vehicle, a vehicle suspension and a wear-resisting plate thereof, wherein the wear-resisting plate comprises a plate body, a protruding part and a limiting part. The plate body is provided with a first surface which is used for being attached to a guide arm support in a vehicle suspension and a second surface which is opposite to the first surface at intervals; the plate body is provided with a first assembling hole penetrating through the first surface and the second surface; the convex part is convexly arranged on the second surface; a second assembling hole is arranged on the protruding part in a penetrating way, and the second assembling hole is arranged right opposite to the first assembling hole; the bulge is provided with a friction surface used for being in friction contact with a guide arm in a vehicle suspension, and the friction surface is opposite to the second surface in a spaced mode; the spacing portion is protruding to be located on the plate body and be used for leaning on with the marginal facies counterbalance of guide arm support for the first face of plate body laminates with the internal face of guide arm support, and friction surface and the guide arm on the bulge portion take place the motion friction, thereby has reduced the wearing and tearing between antifriction plate and the guide arm support, has reduced the friction noise, can also prolong the life of antifriction plate and guide arm support.)

1. A wear plate for a vehicle suspension, comprising:

the plate body is provided with a first surface used for being attached to a guide arm support in a vehicle suspension and a second surface opposite to the first surface at intervals, and a first assembling hole penetrating through the first surface and the second surface is formed in the plate body;

the protruding portion is convexly arranged on the second face, a second assembling hole penetrates through the protruding portion, the second assembling hole is arranged right opposite to the first assembling hole, the protruding portion is provided with a friction surface used for being in friction contact with a guide arm in a vehicle suspension, and the distance between the friction surface and the second face is the height or the depth of the protruding portion.

2. A wear plate for vehicle suspensions as claimed in claim 1, further comprising:

the limiting part is arranged below the plate body, extends along the direction deviating from the protruding part and is abutted against the lower edge of the guide arm support to limit.

3. A wear plate for a vehicle suspension in accordance with claim 2, wherein the first face is provided with a recess for receiving a boss in the vehicle suspension, the first assembly hole being located in the recess.

4. A wear plate for vehicle suspensions as claimed in claim 3, wherein one side of the plate body is provided with an opening which communicates with the recess.

5. A wear plate for vehicle suspension in accordance with claim 4, wherein the friction surface is inclined away from the second surface in a direction from the side of the opening to the other side thereof.

6. A wear plate for vehicle suspensions according to claim 5, in which the groove bottom surface of the recess is a sloping surface arranged parallel to the friction surface.

7. A wear plate for vehicle suspension as claimed in claim 6, wherein the retainer portion is provided projecting from the first surface on a side remote from the opening so as to be able to abut against a lower edge of the guide arm bracket.

8. A wear plate for vehicle suspensions as claimed in claim 7, wherein the second face is provided with a recess which is recessed into the retainer portion.

9. A vehicle suspension, comprising:

the guide arm bracket is internally provided with an assembly space and is provided with a mounting hole communicated with the assembly space;

the shaft sleeve is arranged in the mounting hole;

the wear-resisting plate is arranged in the assembling space; the wear plate is the wear plate as claimed in any one of claims 1 to 8, the first surface is attached to an inner wall surface of the guide arm support, and the first assembling hole is arranged opposite to the shaft sleeve;

a guide arm having one end disposed in the fitting space and frictionally contacting a friction surface of the protrusion;

the bolt penetrates through the shaft sleeve, the first assembling hole and the second assembling hole guide arm, so that the guide arm is hinged with the guide arm support.

10. A vehicle suspension according to claim 9 wherein the spacing of the confronting faces between the guide arm and the guide arm bracket corresponds to the depth or height of the wear plate.

Technical Field

The invention relates to the technical field of special vehicles and suspensions thereof, in particular to a vehicle suspension and a wear-resisting plate thereof.

Background

At present, wear plates are arranged between the guide arm bracket and the guide arm, or between the shaft sleeve and the guide arm of the air suspension. The wear-resisting plate mostly adopts the form of circular or rectangle gasket, and the suit is on adjusting bolt, rotates along with the guide arm swing. When the wear-resisting plate swings and rotates, one side surface of the wear-resisting plate is rubbed with the guide arm, and the other side surface of the wear-resisting plate is rubbed with the guide arm bracket; or one side surface of the guide arm rubs against the guide arm, and the other side surface of the guide arm rubs against the shaft sleeve. So, accelerated the wearing and tearing of antifriction plate, and then lead to guide arm support or guide pin bushing serious wear to appear, environmental pollution has still been caused to the noise of rubbing simultaneously.

Disclosure of Invention

An object of the present invention is to provide a wear plate which can reduce wear between the wear plate and a guide arm bracket and also reduce frictional noise.

Another object of the present invention is to provide a vehicle suspension that is effective in reducing wear and frictional noise.

In order to solve the technical problems, the invention adopts the following technical scheme:

according to one aspect of the present invention, there is provided a wear plate for a vehicle suspension, comprising:

the plate body is provided with a first surface used for being attached to a guide arm support in a vehicle suspension and a second surface opposite to the first surface at intervals, and a first assembling hole penetrating through the first surface and the second surface is formed in the plate body;

the protruding portion is convexly arranged on the second face, a second assembling hole penetrates through the protruding portion, the second assembling hole is arranged right opposite to the first assembling hole, the protruding portion is provided with a friction surface used for being in friction contact with a guide arm in a vehicle suspension, and the distance between the friction surface and the second face is the height or the depth of the protruding portion.

In some embodiments, the wear plate for a vehicle suspension further includes:

the limiting part is arranged below the plate body, extends along the direction deviating from the protruding part and is abutted against the lower edge of the guide arm support to limit.

In some embodiments, the first surface is provided with a groove for accommodating a bushing in a vehicle suspension, and the first assembling hole is located in the groove.

In some embodiments, an opening is formed on one side of the plate body and is communicated with the groove.

In some embodiments, one side of the protrusion is flush with the side of the plate body on which the opening is provided.

In some embodiments, the friction surface is inclined away from the second surface in a direction from the side of the opening to the other side away from the opening.

In some embodiments, the groove bottom surface of the groove is an inclined surface arranged parallel to the friction surface.

In some embodiments, the limiting portion is disposed on the first surface in a protruding manner and located on a side away from the opening, so that the limiting portion can abut against an edge of the guide arm bracket.

In some embodiments, the second surface is provided with a notch recessed into the stopper portion.

According to another aspect of the present invention, there is also provided a vehicle suspension comprising:

the guide arm bracket is internally provided with an assembly space and is provided with a mounting hole communicated with the assembly space;

the shaft sleeve is arranged in the mounting hole;

the wear-resisting plate is arranged in the assembling space; the wear-resistant plate is any one of the wear-resistant plates, the first surface is attached to the inner wall surface of the guide arm support, and the first assembling hole is arranged opposite to the shaft sleeve;

a guide arm having one end disposed in the fitting space and frictionally contacting a friction surface of the protrusion;

the bolt penetrates through the shaft sleeve, the first assembling hole and the second assembling hole guide arm, so that the guide arm is hinged with the guide arm support.

In some embodiments, the distance between the opposing faces of the guide arm and the guide arm support corresponds to the depth or height of the wear plate.

According to another aspect of the invention, the invention also provides a special vehicle which comprises an axle and the vehicle suspension, wherein the vehicle suspension is arranged at two ends of the axle, and the other end of the guide arm in the vehicle suspension is connected with the end part of the axle.

According to the technical scheme, the invention has at least the following advantages and positive effects:

according to the vehicle suspension, the plate body and the bulge of the wear-resistant plate are arranged between the inner wall surface of the guide arm support and the guide arm, the limiting part on the plate body is abutted against the edge of the guide arm support, so that the rotation or swing between the wear-resistant plate and the guide arm support is limited, the first surface of the plate body is attached to the inner wall surface of the guide arm support, and only the friction surface on the bulge generates motion friction with the guide arm, so that the wear between the wear-resistant plate and the guide arm support is reduced, the friction noise is reduced, and the service life of the wear-resistant plate and the guide arm support can be prolonged.

Drawings

FIG. 1 is an exploded view of a vehicle suspension of an embodiment of the present application;

FIG. 2 is an isometric view of a vehicle suspension of an embodiment of the present application;

FIG. 3 is a top view of an embodiment of the present application for a wear plate;

FIG. 4 is an isometric view of a wear plate in an embodiment of the present application;

FIG. 5 is a front view of an embodiment of the present application for a wear plate;

FIG. 6 is a sectional view A-A of FIG. 5;

fig. 7 is a sectional view B-B in fig. 2.

The reference numerals are explained below:

1. a guide arm support; 10. an assembly space; 11. mounting holes;

12. a support plate;

13. a connecting plate;

2. a guide arm;

3. a shaft sleeve;

4. a wear plate;

40. a plate body; 401. a first side; 402. a second face; 403. a groove; 4031. the bottom surface of the groove; 404. an opening;

41. a projection; 410. an assembly hole; 411. a top plate portion; 4111. a friction surface; 412. a transition section;

42. a limiting part; 420. a notch;

43. a wing portion; 431. a chamfering structure;

5. a bolt;

6. a nut;

7. an air bag;

8. a plate spring seat;

9. a shock absorber.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

A special purpose vehicle (special purpose vehicle), which is called special purpose vehicle for short, is defined as: the device is provided with special equipment, has special functions and is used for bearing special transportation tasks or special operations and other special purpose automobiles. "

The application provides a special-purpose vehicle, it includes the frame, is located the axletree of frame below and installs the vehicle suspension at axletree both ends. The frame comprises two girders arranged at left and right intervals and a plurality of cross beams arranged in front of the two girders. The axle is located below the frame, the connection relationship between the frame and the axle is not the focus of the application, and the detailed description is omitted here.

Referring to fig. 1 in conjunction with fig. 2, the vehicle suspension includes a guide arm bracket 1, a guide arm 2, a shaft sleeve 3, a wear plate 4, a bolt 5, a nut 6, an air bag 7, a plate spring seat 8, and a shock absorber 9.

The guide arm support 1 has an assembly space 10 therein, and the guide arm support 1 is provided with an installation hole 11 communicating with the assembly space 10.

The guide arm support 1 comprises two support plates 12 and a connecting plate 13, wherein the shapes and the sizes of the two support plates 12 are the same, a mounting hole 11 is formed in each support plate 12, the two support plates 12 are symmetrically arranged at intervals, and the two mounting holes 11 are arranged right. The connecting plate 13 is fixedly connected between the two supporting plates 12 and is positioned at the same side of the two supporting plates 12. The two ends of the connecting plate 13 are flush with the two ends of the two supporting plates 12 respectively.

The guide arm bracket 1 composed of the two support plates 12 and the connecting plate 13 is a U-shaped frame as a whole. The guide arm bracket 1 may be an integrally formed structure, and is manufactured through a stamping process. It can be understood that the connecting plate 13 and the two support plates 12 can also be spliced together by welding.

The space enclosed by the two support plates 12 and the connecting plate 13 in the guide arm support 1 forms an assembly space 10.

One end of the guide arm 2 is placed in the fitting space 10. The end of the guide arm 2 is connected to the frame by a guide arm bracket 1. The other end of the guide arm 2 can be connected with an air bag 7, and the middle part of the guide arm 2 can be connected with one end of an axle through a plate spring seat 8. The guide arm bracket 1 is connected with the plate spring seat 8 through a shock absorber 9.

The wear plate 4 is arranged in the assembly space 10. A wear plate 4 is arranged between the guide arm 2 and one support plate 12, and a wear plate 4 is arranged between the other support plate 12 and the guide arm 2. Each mounting hole 11 is provided with a shaft sleeve 3.

The bolt 5 passes through one shaft sleeve 3, one wear-resisting plate 4, the guide arm 2, the other wear-resisting plate 4 and the other shaft sleeve 3 in sequence and then is in threaded connection with the nut 6. As shown in fig. 2, the bolt 5 is inserted between the guide arm bracket 1 and the guide arm 2, and the guide arm 2 is hinged to the guide arm bracket 1.

As shown in fig. 3, the wear plate 4 includes a plate body 40, a protruding portion 41, and a stopper portion 42.

The plate body 40 has a first surface 401 for being attached to the guide arm bracket 1 and a second surface 402 facing the first surface 401 at a distance. The plate body 40 is provided with a first mounting hole penetrating the first surface 401 and the second surface 402.

The protruding portion 41 is protruded on the second surface 402. The projection 41 has a friction surface 4111 for frictional contact with the guide arm 2, and the friction surface 4111 is spaced apart from and opposed to the second surface 402. The protruding portion 41 is provided with a second assembling hole in a penetrating manner, and the second assembling hole is opposite to the first assembling hole.

The limiting portion 42 is protruded on the plate body 40 and is used for abutting against the edge of the guide arm support 1.

Plate body 40 and bulge 41 of wear plate 4 locate between the internal face of leading arm support 1 and leading arm 2 in the vehicle suspension, spacing portion 42 on the plate body 40 supports with the edge of leading arm support 1 and leans on, rotation or swing between wear plate 4 and the leading arm support 1 has been restricted, make the first face 401 of plate body 40 and the interior wall laminating of leading arm support 1, only friction surface 4111 on the bulge 41 takes place the motion friction with leading arm 2, thereby reduce the wearing and tearing between wear plate 4 and the leading arm support 1, the frictional noise has been reduced, can also prolong the life of wear plate 4 and leading arm support 1.

In some embodiments, the first surface 401 is provided with a groove 403 for receiving the sleeve 3, and the first assembling hole is located in the groove 403. As described above, the boss 3 is fitted in the mounting hole 11, and after the boss 3 is fitted into the mounting hole 11, the portion of the boss 3 protruding from the mounting hole 11 can be placed in the groove 403, and the portion of the first surface 401 of the plate body 40 surrounding the groove 403 can be tightly attached to the guide arm bracket 1, thereby preventing friction.

As shown in fig. 3, an opening 404 is formed on one side of the plate body 40 to communicate with the groove 403. After the shaft sleeve 3 is assembled in the mounting hole 11 and the guide arm 2 is placed in the assembly space 10, the wear-resisting plate 4 is inserted between the guide arm support 1 and the guide arm 2. If one side of the plate body 40 is communicated with the groove 403 and forms an opening 404, when the wear plate 4 is assembled, the first surface 401 of the plate body 40 can be attached to the inner wall surface of the support plate 12, then the wear plate 4 is slowly pushed between the support plate 12 and the guide arm 2, the opening 404 is arranged to enable the shaft sleeve 3 to penetrate into the groove 403, after the limiting portion 42 on the plate body 40 abuts against the edge of the support plate 12, the wear plate 4 is assembled between the support plate 12 and the guide arm 2 in a non-rotatable and swinging mode, and the assembly of the wear plate 4 is rapidly and efficiently realized.

In still other embodiments, as shown in fig. 3, a portion of the plate body 40 is bulged in the thickness direction toward the second surface 402 side to form a convex portion 41, and an opening 404 is formed at one side of the plate body 40. One side of the protrusion 41 is flush with the side of the plate body 40 on which the opening 404 is provided. The plate body 40 and the protruding portion 41 are integrally connected to form an integrally formed structure. For example, stamping the protrusion 41 and the opening 404 in the plate body 40 can be achieved quickly and efficiently by a stamping process.

As shown in fig. 4, the plate body 40 is composed of a protrusion 41 and wing portions 43 on both sides of the protrusion 41. The wing portions 43 are axisymmetrical with respect to the plate body 40.

The protruding portion 41 includes a top plate 411 and a transition portion 412 connected between the wing portion 43 and the top plate 411. The top plate 411 protrudes out of the plate body 40, and an outer side surface of the top plate 411 is a friction surface 4111. A transition portion 412 is provided around the edge of the top plate 411, and the transition portion 412 extends between the top plate 411 and the wing portion 43. As shown in fig. 4, it is understood that the transition portion 412 is in the form of a circular arc transition.

Since the protruding portion 41 is formed by bulging the plate body 40, the first fitting hole formed in the plate body 40 and the second fitting hole formed through the protruding portion 41 are combined into a fitting hole 410, as shown in fig. 4.

As shown in fig. 4, the stopper 42 is provided to protrude from the first surface 401 on a side away from the opening 404 so that the stopper 42 can abut against the edge of the guide arm bracket 1.

The wear plate 4 is pushed into the space between the guide arm bracket 1 and the guide arm 2 from the side provided with the opening 404, the limiting part 42 is opposite to the opening 404, and the limiting part 42 just abuts against the edge of the support plate 12 in the final stage of pushing the wear plate 4. The limit portion 42 is abutted against the edge of the support plate 12, so that the wear-resisting plate 4 can be effectively prevented from rotating and swinging, and friction between the wear-resisting plate 4 and the support plate 12 is avoided.

In some embodiments, one side of the limiting portion 42 is flush with the other side of the plate body 40 away from the opening 404. As shown in fig. 4, the second surface 402 of the plate body 40 is provided with a notch 420 recessed into the limiting portion 42, and the notch 420 is provided to effectively reduce weight.

It is understood that the stopper portion 42 may be formed by stamping. The second surface 402 of the plate body 40 is subjected to a tongue-cutting process by punching, so that the position-limiting portion 42 and the notch 420 can be formed at one time.

In still other embodiments, as shown in FIG. 5, the wings 43 are retracted toward the stop 42. The intersection of each wing 43 near the limiting part 42 is a chamfer structure 431 with an inclined surface connected with an arc surface. Overall, the side of the wear plate 4 remote from the opening 404 is tapered. Because the limiting portion 42 abuts against the edge of the guide arm support 1, conceivably, the limiting portion 42 is located outside the guide arm support 1, and the two wing portions 43 contract towards the limiting portion 42, so that a certain avoiding space can be formed, and the exposed portion of the wear-resisting plate 4 is prevented from interfering with other parts.

In still other embodiments, as shown in fig. 6, the friction surface 4111 is inclined away from the second surface 402 in a direction from the side of the opening 404 to the other side of the opening 404. In a further modification, the groove bottom 4031 of the groove 403 is a slope provided in parallel with the friction surface 4111. The friction surface 4111 and the groove bottom surface 4031 are inclined and parallel to each other, so that the wear-resisting plate 4 is adapted between the guide arm bracket 1 and the guide arm 2.

As shown in fig. 7, the guide arm bracket 1 has a fitting space 10 therein, and the guide arm bracket 1 is provided with a mounting hole 11 communicating with the fitting space 10. Each mounting hole 11 is provided with a shaft sleeve 3.

One end of the guide arm 2 is placed in the fitting space 10, and the other end thereof is connected to the end of the axle of the special vehicle.

The wear plate 4 is arranged in the assembly space 10. A wear plate 4 is arranged between the guide arm 2 and the inner wall surface of one side of the guide arm support 1, the first surface 401 of the plate body 40 in the wear plate 4 is tightly attached to the inner wall surface of the guide arm support 1, and the friction surface 4111 in the bulge 41 is in friction contact with the guide arm 2.

A wear plate 4 is arranged between the inner wall surface of the other side of the guide arm support 1 and the guide arm 2, a first surface 401 of a plate body 40 in the wear plate 4 is tightly attached to the inner wall surface of the guide arm support 1, and a friction surface 4111 in the protruding portion 41 is in friction contact with the guide arm 2.

The overall height or depth of the plate body 40 is equal to the distance between the inner wall surface of the guide arm bracket 1 and the guide arm 2. When the wear-resisting plate 4 is designed, the height of the protrusions 41 protruding on the plate body 40 can be adjusted, the wear-resisting plates 4 of various models can be designed, the height of the protrusions 41 protruding on the wear-resisting plate 4 of each model is different, and on the premise that the same guide arm support 1 is used, the guide arms 2 of different types of wear-resisting plates 4 with different adaptable widths can be assembled. The gap of traditional art through the different guide arm support of adjustment 1 adapts to multiple width guide arm 2, and development efficiency and manufacturing cost are higher, but antifriction plate 4 of each model has constituteed antifriction plate serialization product in this embodiment to with key spare part serialization, the assembly demand of multiple width guide arm 2 has been satisfied in the design of once, has improved development efficiency, has reduced the development expense.

When the vehicle suspension is assembled, the bolt 5 sequentially penetrates through the shaft sleeve 3, the assembly hole 410 on the bulge 41 in the wear-resisting plate 4, the guide arm 2, the assembly hole 410 on the bulge 41 in the other wear-resisting plate 4 and the nut 6 and is in threaded connection with the other shaft sleeve 3. The bolt 5 is arranged between the guide arm support 1 and the guide arm 2 in a penetrating way, and the guide arm 2 is hinged with the guide arm support 1. The stopper 42 abuts against the bottom edge of the guide arm bracket 1.

In the running process of the special vehicle, the frame is difficult to be in a stable state due to jolting, vibration and the like, so that potential safety hazards are brought to the vehicle. The middle part of the guide arm 2 can be connected to one end of the axle via a leaf spring seat 8. The guide arm 2 swings in a direction perpendicular to the road surface in accordance with the change of the pitching and rolling of the road surface, and the shock absorber 9 can absorb energy generated by the shock.

The abrasion-resistant plate 4 can be prevented from rotating or swinging relative to the guide arm support 1 by the abutting of the limiting portion 42 and the bottom edge of the guide arm support 1, the first surface 401 of the plate body 40 is only attached to the inner wall surface of the guide arm support 1, and only the friction surface 4111 on the protruding portion 41 generates motion friction with the guide arm 2.

In the wear plate of the related art, two side surfaces opposite to each other at intervals are in frictional contact with the inner wall surface of the guide arm bracket 1 and the guide arm 2.

Compared with the prior art, the plate body 40 and the protruding portion 41 of the wear plate 4 in the vehicle suspension are arranged between the inner wall surface of the guide arm support 1 and the guide arm 2, the limiting portion 42 on the plate body 40 abuts against the edge of the guide arm support 1, rotation or swing between the wear plate 4 and the guide arm support 1 is limited, the first surface 401 of the plate body 40 is attached to the inner wall surface of the guide arm support 1, and only the friction surface 4111 on the protruding portion 41 generates motion friction with the guide arm 2. Compared with the prior art, the wear-resisting plate 4 of the vehicle suspension reduces a friction surface, reduces the wear between the wear-resisting plate 4 and the guide arm support 1, reduces the friction noise, and can prolong the service life of the wear-resisting plate 4 and the guide arm support 1.

The special vehicle with the vehicle suspension has the advantages that the wear-resisting plate 4 and the guide arm support 1 are almost free of wear, the shock absorption effect is good, and the frame can be in a stable state all the time, so that the special vehicle can effectively deal with the bumping change of the road surface, the capability of adapting to various road conditions of the special vehicle is improved, and the competitiveness of the special vehicle in the market is enhanced.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.