阅读说明：本技术 车辆悬架 (Vehicle suspension ) 是由 于斌 李洪彪 白锦洋 张军伟 杨海泉 左霞 李辰 万芳 谷捷 于 2021-08-26 设计创作，主要内容包括：本发明提供了一种车辆悬架,涉及机械设备技术领域,包括至少一组导向外筒和导向内筒,每组所述导向外筒、所述导向内筒均垂直设置,所述导向内筒一端设置于所述导向外筒内,所述导向内筒另一端用于与车辆轮胎连接,所述导向外筒用于与主销固定架连接并且所述导向外筒适于相对所述主销固定架转动,所述主销固定架用于与车架连接,所述导向内筒适于相对所述导向外筒上下滑动。本发明车辆悬架,在悬架大行程跳动时,主销定位参数不变、无横向滑移、无附加转角的车辆悬架。(The invention provides a vehicle suspension, which relates to the technical field of mechanical equipment and comprises at least one group of guide outer cylinders and guide inner cylinders, wherein each group of guide outer cylinders and each group of guide inner cylinders are vertically arranged, one ends of the guide inner cylinders are arranged in the guide outer cylinders, the other ends of the guide inner cylinders are used for being connected with a vehicle tire, the guide outer cylinders are used for being connected with a main pin fixing frame, the guide outer cylinders are suitable for rotating relative to the main pin fixing frame, the main pin fixing frame is used for being connected with a vehicle frame, and the guide inner cylinders are suitable for sliding up and down relative to the guide outer cylinders. The invention relates to a vehicle suspension, which has the advantages that when the suspension jumps in a large stroke, the positioning parameters of a main pin are unchanged, and the vehicle suspension has no transverse slip and no additional corner.)

1. A vehicle suspension characterized in that,

including at least a set of direction urceolus (1) and direction inner tube (5), every group direction urceolus (1) direction inner tube (5) all sets up perpendicularly, direction inner tube (5) one end set up in direction urceolus (1), direction inner tube (5) other end is used for being connected with vehicle tyre (9), direction urceolus (1) be used for be connected with swizzle mount (4) and direction urceolus (1) is suitable for relatively swizzle mount (4) rotate, swizzle mount (4) are used for with connected to the frame, direction inner tube (5) are suitable for relatively direction urceolus (1) slides from top to bottom.

2. The vehicle suspension of claim 1,

still include hydrocarbon spring epicoele (12), hydrocarbon spring piston (13), hydrocarbon spring epicoele (12) one end set up in direction inner tube (5), hydrocarbon spring epicoele (12) other end with direction urceolus (1) is connected, hydrocarbon spring epicoele (12) are connected with pressure source (10), hydrocarbon spring piston (13) set up in hydrocarbon spring epicoele (12), and hydrocarbon spring piston (13) one end with being close to of direction inner tube (5) the one end of vehicle tyre (9) is connected.

3. The vehicle suspension of claim 2,

still including direction urceolus upper end cover (11), direction urceolus upper end cover (11) set up in direction urceolus (1) upper end and with direction urceolus (1) is connected, the position department that direction urceolus (1) inner wall is close to the top is provided with first boss, the position department that oil gas spring epicoele (12) outer wall is close to the top is provided with the second boss, the second boss set up in first boss with between direction urceolus upper end cover (11).

4. The vehicle suspension of claim 3,

the guide outer cylinder (1) and the guide inner cylinder (5) are provided with two groups, and the two groups of guide outer cylinders (1) and the two groups of guide inner cylinders (5) are arranged in parallel.

5. The vehicle suspension of claim 4,

still include direction urceolus mount (2), two direction urceolus (1) all connect in on direction urceolus mount (2), two direction urceolus (1) all with direction urceolus mount (2) synchronous motion, direction urceolus mount (2) connect in on swizzle mount (4), direction urceolus (1) passes through direction urceolus mount (2) with swizzle mount (4) are connected.

6. The vehicle suspension of claim 5,

the guide outer cylinder fixing frame (2) comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are located at different heights, a first mounting hole and a second mounting hole are formed in the first connecting plate, a third mounting hole and a fourth mounting hole are formed in the second connecting plate, the first mounting hole is coaxial with the third mounting hole, the second mounting hole is coaxial with the fourth mounting hole, one guide outer cylinder (1) is arranged in the first mounting hole and the third mounting hole, the other guide outer cylinder (1) is arranged in the second mounting hole and the fourth mounting hole, and a main pin fixing frame (4) is connected between the first connecting plate and the second connecting plate.

7. The vehicle suspension of claim 6,

still include direction inner tube mount (6), direction inner tube mount (6) one end is connected on wheel hub (8), direction inner tube mount (6) other end and two direction inner tube (5) are connected, tire (9) set up in on wheel hub (8), direction inner tube (5) are passed through direction inner tube mount (6) with tire (9) link to each other.

8. The vehicle suspension of claim 7,

the guide inner cylinder fixing frame is characterized by further comprising a brake (7), wherein the brake (7) is arranged on the guide inner cylinder fixing frame (6).

9. The vehicle suspension of claim 8,

the pressure source (10) is a hydraulic oil supply system.

10. The vehicle suspension of claim 9,

the guide inner cylinder fixing frame (6) comprises a plane connecting plate and an arc-shaped connecting plate, the plane connecting plate is connected with the arc-shaped connecting plate, the guide inner cylinder (5) is connected to the upper surface of the plane connecting plate, one end of the arc-shaped connecting plate is connected to the lower surface of the plane connecting plate, and the other end of the arc-shaped connecting plate is connected with the hub (8).

Technical Field

The invention relates to a mechanical device, in particular to a vehicle suspension.

Background

Along with the development of science and technology, the bearing capacity of overweight vehicle constantly promotes, but the promotion of bearing capacity has increased the carrying weight of vehicle, and the increase of carrying weight makes whole car barycenter rise, simultaneously because current overweight vehicle adopts non-independent vertical axle more, makes whole car barycenter be difficult to reduce, therefore overweight vehicle rollover accident appears often.

The independent suspension that present superheavy vehicle adopted multiform forms such as two xarm to improve the ride comfort and the stability of controlling of whole car, but when cross country road surface went, the jump of big stroke can appear in the suspension, brought following problem: 1. the positioning parameters of the kingpin are greatly changed; 2. the tire has larger transverse slippage, and the tire wear is aggravated; 3. causing additional turning angles of the steered wheels, affecting the steering characteristics. For an extra-heavy vehicle with a large stroke height-adjusting requirement, the traditional suspension can cause the change of a kingpin positioning parameter and steering characteristics after the height is adjusted, and the operation stability and the running safety of the whole vehicle are greatly influenced. In addition, the existing suspension structure occupies a large transverse space, and is not beneficial to the structural arrangement of the inner side of the frame. Therefore, a new suspension is needed to solve the above problems of the prior art.

Disclosure of Invention

The invention solves the problem of providing a vehicle suspension with unchanged main pin positioning parameters, no transverse slip and no additional corner when the suspension is in large-stroke jumping.

In order to solve the problems, the invention provides a vehicle suspension, which comprises at least one group of guide outer cylinders and guide inner cylinders, wherein each group of guide outer cylinders and each group of guide inner cylinders are vertically arranged, one ends of the guide inner cylinders are arranged in the guide outer cylinders, the other ends of the guide inner cylinders are used for being connected with a vehicle tire, the guide outer cylinders are used for being connected with a main pin fixing frame, the guide outer cylinders are suitable for rotating relative to the main pin fixing frame, the main pin fixing frame is used for being connected with a vehicle frame, and the guide inner cylinders are suitable for sliding up and down relative to the guide outer cylinders.

Further, still include the hydro-pneumatic spring epicoele, hydro-pneumatic spring piston, hydro-pneumatic spring epicoele one end set up in the direction inner tube, the hydro-pneumatic spring epicoele other end with the direction urceolus is connected, the hydro-pneumatic spring epicoele is connected with the pressure source, the hydro-pneumatic spring piston set up in the hydro-pneumatic spring upper chamber intracavity, and hydro-pneumatic spring piston one end with being close to of direction inner tube the one end of vehicle tyre is connected.

Further, still include direction urceolus upper end cover, direction urceolus upper end cover set up in direction urceolus upper end and with the direction urceolus is connected, the position department that the direction urceolus inner wall is close to the top is provided with first boss, the position department that the epicoele outer wall of hydro-pneumatic spring is close to the top is provided with the second boss, the second boss set up in first boss with between the direction urceolus upper end cover.

Furthermore, the guide outer cylinder and the guide inner cylinder are provided with two groups, and the two groups of guide outer cylinders and the two groups of guide inner cylinders are arranged in parallel.

The guide outer cylinder fixing frame is connected to the master pin fixing frame, and the guide outer cylinder is connected with the master pin fixing frame through the guide outer cylinder fixing frame.

Further, the direction urceolus mount includes first connecting plate, second connecting plate, first connecting plate the second connecting plate is located the not co-altitude department, first mounting hole, second mounting hole have been seted up on the first connecting plate, third mounting hole, fourth mounting hole have been seted up on the second connecting plate, first mounting hole with the third mounting hole is coaxial, the second mounting hole with the fourth mounting hole is coaxial, one the direction urceolus set up in first mounting hole in the third mounting hole, another the direction urceolus set up in the second mounting hole in the fourth mounting hole, the swizzle mount connect in first connecting plate with between the second connecting plate.

Further, still include direction inner tube mount, direction inner tube mount one end is connected on wheel hub, the direction inner tube mount other end with two the direction inner tube is connected, the tire set up in on the wheel hub, the direction inner tube pass through the direction inner tube mount with the tire links to each other.

Further, still include the stopper, the stopper set up in on the direction inner tube mount.

Further, the pressure source is a hydraulic oil supply system.

Further, the direction inner tube mount includes plane connecting plate and arc connecting plate, the plane connecting plate with the arc connecting plate is connected, the direction inner tube connect in the upper surface of plane connecting plate, arc connecting plate one end connect in the lower surface of plane connecting plate, the other end of arc connecting plate with wheel hub is connected.

Because one end of the guide inner cylinder of the vehicle suspension is connected with a vehicle tire, the other end of the guide inner cylinder is connected with the guide outer cylinder, the guide inner cylinder can slide up and down relative to the guide outer cylinder, and the guide outer cylinder and the guide inner cylinder are vertically arranged, when the suspension jumps with a large stroke, only the vehicle tire and the guide inner cylinder can slide up and down in the guide outer cylinder, the transverse sliding of the vehicle tire is not caused, and the additional corner of the vehicle tire can not be generated. According to the vehicle suspension disclosed by the invention, a cross arm is not required to be arranged, so that a small transverse space is occupied, and the arrangement of a frame inner side structure is facilitated.

Drawings

FIG. 1 is a schematic perspective view of a vehicle suspension according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a vehicle suspension according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

The terms "upper", "lower", "front", "rear", "left" and "right" and the like appearing in the embodiments of the present invention indicate directions or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

If there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The invention relates to a vehicle suspension, as shown in fig. 1 and fig. 2, which comprises a guide outer cylinder 1 and a guide inner cylinder 5, wherein the guide outer cylinder 1 and the guide inner cylinder 5 are both vertically arranged, one end of the guide inner cylinder 5 is arranged in the guide outer cylinder 1, the other end of the guide inner cylinder 5 is used for being connected with a vehicle tire 9, the guide outer cylinder 1 is used for being connected with a main pin fixing frame 4, the guide outer cylinder 1 is suitable for rotating relative to the main pin fixing frame 4, the main pin fixing frame 4 is used for being connected with a vehicle frame, the guide inner cylinder 5 is suitable for sliding up and down relative to the guide outer cylinder 1, the guide inner cylinder 5 and the guide outer cylinder 1 arranged outside the guide inner cylinder 5 are in a group, and the guide outer cylinder 1 and the guide inner cylinder 5 are arranged in one group or more groups. Because one end of the guide inner cylinder 5 of the vehicle suspension of the invention is connected with the vehicle tire 9, and the other end is connected with the guide outer cylinder 1, the guide inner cylinder 5 can slide up and down relative to the guide outer cylinder 1, the guide outer cylinder 1 and the guide inner cylinder 5 are both vertically arranged, therefore, when the suspension is jumped in a large stroke, only the vehicle tire 9 and the guide inner cylinder 5 are caused to slide up and down in the guide outer cylinder 1, the transverse sliding of the vehicle tire 9 is not caused, the additional rotation angle of the vehicle tire 9 is not generated, meanwhile, the guide inner cylinder 5 can slide up and down relative to the guide outer cylinder 1, can complete the steering function and play a role in guiding during buffering and vibration reduction, in addition, because the main pin fixing frame 4 is connected with the frame, the guide outer cylinder 5 can rotate around the axis of the main pin relative to the main pin fixing frame 4, and the main pin fixing frame 4 is fixed on the frame, and when the suspension is in large-stroke jumping, the main pin positioning parameters are unchanged. According to the vehicle suspension disclosed by the invention, a cross arm is not required to be arranged, so that a small transverse space is occupied, and the arrangement of a frame inner side structure is facilitated.

Optionally, the vehicle suspension according to the embodiment of the present invention further includes a hydro-pneumatic spring upper chamber 12 and a hydro-pneumatic spring piston 13, one end of the hydro-pneumatic spring upper chamber 12 is disposed in the guide inner cylinder 5, the other end of the hydro-pneumatic spring upper chamber 12 is connected to the guide outer cylinder 1, the hydro-pneumatic spring upper chamber 12 is connected to the pressure source 10, the hydro-pneumatic spring piston 13 is connected to one end of the guide inner cylinder 5 close to the vehicle tire 9, and the hydro-pneumatic spring piston 13 is disposed in the hydro-pneumatic spring upper chamber 12. The pressure source 10 is communicated with the hydro-pneumatic spring upper cavity 12, on one hand, the extension length of the hydro-pneumatic spring piston 13 can be adjusted by introducing high-pressure oil, so that the height of the ground clearance of the vehicle body can be adjusted, on the other hand, the acting force on the ground can be transmitted to the guide inner cylinder 5 to compress the hydro-pneumatic spring piston 13, and the high-pressure oil is pressed back to the energy accumulator through the oil supply system, so that the effect of reducing the impact force is achieved. Specifically, the pressure source 10 is a hydraulic oil supply system or a pneumatic air supply system. When the vehicle suspension works, the guide outer cylinder 1 and the guide inner cylinder 5 slide up and down relatively to bear transverse and longitudinal forces and bending moment from the ground; the hydro-pneumatic spring piston 13 moves up and down in the hydro-pneumatic spring upper chamber 12 and bears the vertical acting force from the ground.

Optionally, the vehicle suspension according to the embodiment of the present invention further includes a guide outer cylinder upper end cover 11, the guide outer cylinder upper end cover 11 is disposed at the upper end portion of the guide outer cylinder 1 and connected to the guide outer cylinder 1, a first boss is disposed at a position on the inner wall of the guide outer cylinder 1, which is close to the top, a second boss is disposed at a position on the outer wall of the hydro-pneumatic spring upper cavity 12, which is close to the top, and the second boss is disposed between the first boss and the guide outer cylinder upper end cover 11.

Optionally, two sets of the guide outer cylinder 1 and the guide inner cylinder 5 are provided, and the two sets of the guide outer cylinder 1 and the guide inner cylinder 5 are arranged in parallel.

Optionally, the vehicle suspension according to the embodiment of the present invention further includes a guide outer cylinder fixing frame 2, the two guide outer cylinders 1 are both connected to the guide outer cylinder fixing frame 2, the two guide outer cylinders 1 are both in synchronous motion with the guide outer cylinder fixing frame 2, the guide outer cylinder fixing frame 2 is connected to the kingpin fixing frame 4, and the guide outer cylinders 1 are connected to the kingpin fixing frame 4 through the guide outer cylinder fixing frame 2.

Optionally, the guide outer barrel fixing frame 2 includes a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are located at different heights, the first connecting plate is provided with a first mounting hole and a second mounting hole, the second connecting plate is provided with a third mounting hole and a fourth mounting hole, the first mounting hole is coaxial with the third mounting hole, the second mounting hole is coaxial with the fourth mounting hole, one guide outer barrel 1 is arranged in the first mounting hole and the third mounting hole, the other guide outer barrel 1 is arranged in the second mounting hole and the fourth mounting hole, and the master pin fixing frame 4 is connected between the first connecting plate and the second connecting plate. The guide outer cylinder 1 is arranged on the first connecting plate and the second connecting plate, so that the installation position of the guide outer cylinder 1 is more accurate and the installation is firmer.

Optionally, the vehicle suspension according to the embodiment of the present invention further includes two guiding inner cylinder fixing frames 6, one end of each guiding inner cylinder fixing frame 6 is connected to the wheel hub 8, the other end of each guiding inner cylinder fixing frame 6 is connected to the guiding inner cylinder 5, the tire 9 is disposed on the wheel hub 8, and the guiding inner cylinders 5 are respectively connected to the tire 9 through one guiding inner cylinder fixing frame 6. Specifically, direction inner tube mount 6 includes plane connecting plate and arc connecting plate, and the plane connecting plate is connected with the arc connecting plate, and direction inner tube 5 is connected in the upper surface of plane connecting plate, and arc connecting plate one end is connected in the lower surface of plane connecting plate, and the other end of arc connecting plate is connected with wheel hub 8.

Optionally, the device further comprises a brake 7, and the brake 7 is arranged on the guide inner cylinder fixing frame 6.

When the vehicle suspension works, a vertical acting force generated on the ground is transmitted to the guide inner cylinder fixing frame 6 through the tire 10 and the wheel hub 8, then is transmitted to the hydro-pneumatic spring piston 13 through the bottom, the hydro-pneumatic spring piston 13 compresses hydraulic oil, one part of the hydraulic oil is pressed back to the energy accumulator for buffering and vibration reduction, the other part of the hydraulic oil is used as a force transmission medium to transmit the acting force to the hydro-pneumatic spring upper cavity 12 and is transmitted to the guide outer cylinder upper end cover 11 through the hydro-pneumatic spring upper cavity 12, the guide outer cylinder upper end cover 11 is fixedly connected with the guide outer cylinder 1, therefore, the acting force is transmitted to the main pin fixing frame 4 through the guide outer cylinder 1 and the guide outer cylinder fixing frame 2, the main pin fixing frame 4 is fixedly connected with a vehicle frame, and the force is finally transmitted to the vehicle frame.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.