CN216545613U - Oil-gas balance suspension system and vehicle - Google Patents
Oil-gas balance suspension system and vehicle Download PDFInfo
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- CN216545613U CN216545613U CN202123372123.2U CN202123372123U CN216545613U CN 216545613 U CN216545613 U CN 216545613U CN 202123372123 U CN202123372123 U CN 202123372123U CN 216545613 U CN216545613 U CN 216545613U
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Abstract
The utility model relates to the technical field of engineering machinery, in particular to an oil-gas balance suspension system and a vehicle. An vapor balance suspension system comprising: the energy storage device comprises a first oil-gas spring, a second oil-gas spring and an energy storage device, wherein the first oil-gas spring is arranged on one side of a middle axle of the vehicle; the second oil-gas spring is arranged on one side of a rear axle of the vehicle, and the first oil-gas spring and the second oil-gas spring are positioned on the same side of the vehicle frame; the two sides of the energy accumulator are connected with the first oil-gas spring and the second oil-gas spring through oil pipes respectively, and the energy accumulator is obliquely arranged at an included angle relative to the first oil-gas spring and the second oil-gas spring. The energy storage ware is the contained angle slope setting and installs in the frame outside, can increase the interval of the guiding mechanism's of energy storage ware and vehicle and the interval of the packing box of energy storage ware and vehicle, and the maintenance of inflating to the energy storage ware is convenient, avoids the quarter bend when making the oil circuit of first oil gas spring and second oil gas spring pass through the energy storage ware, makes more smooth-going the passing through of fluid, improves response speed to reduce the impact that the frame received.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to an oil-gas balance suspension system and a vehicle.
Background
The suspension is an important part of the vehicle, has the functions of connecting an axle frame and buffering ground impact, and also has important functions on the smoothness and trafficability of the vehicle. With the development of mining machinery, large-tonnage wide-body mining dump trucks begin to gradually apply oil-gas balanced suspensions.
At present, for a multi-axle oil-gas balance suspension of an engineering vehicle, an oil port is reserved in an energy accumulator, and the oil port is communicated to an oil-gas spring through a tee joint and an oil pipe. The oil-gas balance shaft suspension can not realize the real balance function, the comfort and the trafficability characteristic of the vehicle are poor, and the axle is easy to damage.
Therefore, there is a need for a hydro-pneumatic balance suspension system and a vehicle capable of simultaneously ensuring the smoothness and the trafficability of the vehicle to solve the above technical problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil-gas balance suspension system which can avoid the influence on the response speed of a vehicle caused by the unsmooth passing of oil.
In order to achieve the purpose, the utility model adopts the following technical scheme:
there is provided an oil and gas balanced suspension system comprising:
a first gas spring installed at one side of a middle axle of a vehicle;
the second oil-gas spring is arranged on one side of a rear axle of the vehicle, and the first oil-gas spring and the second oil-gas spring are positioned on the same side of a frame of the vehicle;
the energy accumulator is installed on the outer side of the frame, two sides of the energy accumulator are connected with the first oil-gas spring and the second oil-gas spring through oil pipes respectively, and the energy accumulator is arranged in an inclined mode at an included angle relative to the first oil-gas spring and the second oil-gas spring.
As a preferable technical scheme of the hydro-pneumatic balance suspension system, the included angle a ranges from 40 degrees to 50 degrees.
As a preferable technical solution of the hydro-pneumatic balanced suspension system, the included angle a is 45 °.
As a preferable technical solution of the above hydro-pneumatic balanced suspension system, a distance from a center point of the accumulator to a center point of the first hydro-pneumatic spring is the same as a distance from the center point of the accumulator to a center point of the second hydro-pneumatic spring.
As a preferred technical scheme of the oil-gas balance suspension system, the oil pipe is arranged in an S shape.
As a preferred technical scheme of the oil-gas balance suspension system, the oil pipe comprises a rubber pipe, a straight-through buckling and pressing joint and a bent buckling and pressing joint, and the straight-through buckling and pressing joint and the bent buckling and pressing joint are respectively arranged at two ends of the rubber pipe.
As a preferable technical solution of the above oil-gas balanced suspension system, the first oil-gas spring and the second oil-gas spring each include a rodless chamber, a rod chamber, and a piston, and the rodless chamber and the rod chamber are located on both sides of the piston.
As a preferable technical solution of the above oil-gas balanced suspension system, the energy accumulator includes an oil chamber, and two oil ports of the oil chamber are respectively communicated with the first oil-gas spring and the second oil-gas spring through oil pipes.
As a preferable technical solution of the above oil-gas balance suspension system, the accumulator further includes a first air chamber, the first air chamber is located at one side of the oil chamber and connected to the oil chamber through a first floating piston, and the first floating piston can compress oil in the oil chamber or compress gas in the first air chamber.
As a preferable technical solution of the above oil-gas balance suspension system, the accumulator further includes a second air chamber, the second air chamber is located on the other side of the oil chamber and is connected to the oil chamber through a second floating piston, and the second floating piston can compress oil in the oil chamber or gas in the second air chamber.
A second object of the utility model is to propose a vehicle which is capable of increasing the corresponding speed of the vehicle.
A vehicle is provided, which comprises the hydro-pneumatic balance suspension system.
The utility model has the beneficial effects that:
in the embodiment of the utility model, the energy accumulator is respectively connected with the first oil-gas spring and the second oil-gas spring, so that two chambers of the first oil-gas spring and the second oil-gas spring close to the frame can ensure that the pressure at the moment is equal, and therefore, no matter any one side of the middle axle and the rear axle is impacted, the two sides can share the impact load in the fastest time, and the peak value of the impact load of the single axle is reduced; in addition, the energy storage ware is the contained angle slope setting and installs in the frame outside, can increase the interval of the guiding mechanism's of energy storage ware and vehicle and the interval of the packing box of energy storage ware and vehicle, the convenient maintenance of aerifing to the energy storage ware, avoid the quarter bend when making the oil circuit of first oil gas spring and second oil gas spring pass through the energy storage ware simultaneously, make more smooth-going the passing through of fluid, and the response speed is improved, thereby further reduce the impact that the frame received, the ride comfort of vehicle is improved, the solution is because of the untimely unsettled problem of axle of response, the balance function of mechanical structure suspension has really been realized.
Drawings
FIG. 1 is a schematic view of a partial structure of a vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an hydro-pneumatic balanced suspension system provided by an embodiment of the utility model;
fig. 3 is a cross-sectional view of an accumulator provided by an embodiment of the present invention.
In the figure:
1. a first oil-gas spring;
2. a second gas spring;
3. an accumulator; 31. an oil chamber; 311. an oil port; 32. a first air chamber; 33. a first floating piston; 34. a second air chamber; 35. a second floating piston;
4. an oil pipe; 41. a hose; 42. a straight-through buckling and pressing joint; 43. bending and buckling the joint;
100. a frame; 200. a middle bridge; 300. a rear axle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Aiming at the problems of low response speed of an oil-gas balance shaft suspension, and poor comfort and trafficability of a vehicle in the prior art, the embodiment of the utility model provides the vehicle which has high response speed in the working process and can realize a balance effect. As shown in fig. 1, the vehicle includes a vehicle frame 100, a center axle 200, a rear axle 300, a guide mechanism, a cargo box, and a hydro-pneumatic suspension, both of which are connected between the center axle 200, the rear axle 300, and the vehicle frame 100, and the cargo box is disposed above the vehicle frame 100.
Specifically, as shown in fig. 1 and 2, the hydro-pneumatic balanced suspension system includes a first hydro-pneumatic spring 1, a second hydro-pneumatic spring 2, and an accumulator 3, wherein the first hydro-pneumatic spring 1 is mounted on one side of a middle axle 200 of a vehicle; the second oil-gas spring 2 is arranged at one side of a rear axle 300 of the vehicle, and the first oil-gas spring 1 and the second oil-gas spring 2 are positioned at the same side of a frame 100 of the vehicle; the energy accumulator 3 is installed on the outer side of the frame 100 of the vehicle, two ends of the energy accumulator 3 are respectively connected with the first oil-gas spring 1 and the second oil-gas spring 2 through the oil pipe 4, and the energy accumulator 3 is obliquely arranged at an included angle relative to the first oil-gas spring 1 and the second oil-gas spring 2. The first gas spring 1 and the second gas spring 2 are both arranged vertically with respect to the vehicle.
In the embodiment of the utility model, the energy accumulator 3 is respectively connected with the first oil-gas spring 1 and the second oil-gas spring 2, so that the pressure of two chambers of the first oil-gas spring 1 and the second oil-gas spring 2 close to the frame 100 can be ensured to be equal at any moment, and therefore, no matter any one side of the middle axle 200 and the rear axle 300 is impacted, the two sides can share the impact load in the fastest time, and the peak value of the impact load of a single axle is reduced; in addition, energy storage ware 3 is the contained angle slope setting and installs in the frame 100 outside, can increase the interval of the guide mechanism of energy storage ware 3 and vehicle and the packing box of vehicle, the convenient maintenance of aerifing to energy storage ware 3, make the oil circuit of first oil gas spring 1 and second oil gas spring 2 avoid the quarter bend when passing through energy storage ware 3 simultaneously, make more smooth-going passing of fluid, and the response speed is improved, thereby further reduce the impact that frame 100 received, the ride comfort of vehicle is improved, the solution is because of the untimely unsettled problem of axle of response, the balance function of mechanical structure suspension has really been realized.
Optionally, in the present embodiment, the included angle a of the accumulator 3 is inclined by an included angle in the range of 40 ° to 50 °. Preferably, the angle a is 45 °. Of course, the included angle a may also be 40 °, 41 °, 42 °, 43 °, 44 °, 46 °, 47 °, 48 °, 49 °, or 50 ° in other embodiments.
The energy accumulator 3 is arranged between the first oil-gas spring 1 and the second oil-gas spring 2, if the distance between the first oil-gas spring 1 and the energy accumulator 3 is smaller than the distance between the second oil-gas spring 2 and the energy accumulator 3, the oil path between the first oil-gas spring 1 and the energy accumulator 3 is too long, the expansion amount of the first oil-gas spring 1 and the second oil-gas spring 2 has large deviation, and the stability is poor, therefore, the distance from the central point of the energy accumulator 3 to the central point of the first oil-gas spring 1 is the same as the distance from the central point of the energy accumulator 3 to the central point of the second oil-gas spring 2 in the embodiment of the utility model.
When the vehicle bears certain mass, the gas in the energy accumulator 3 can be compressed by oil liquid, so that the purpose that the energy accumulator 3 shares the bearing capacity of the vehicle is realized, the expansion amount of the first oil-gas spring 1 and the second oil-gas spring 2 is reduced, the height difference of the vehicle in the empty and full load state is reduced, the running stability of the vehicle is improved, and the comfort of the vehicle is improved. The energy accumulator 3 is arranged at the outer side of the frame 100, because the vibration of the side is smaller than that of the side close to the middle axle 200 and the rear axle 300, the sealing performance of the connection between the energy accumulator 3 and the oil pipe 4 can be ensured, the probability of oil leakage is reduced, and the maintenance times are reduced; in addition, the energy accumulator 3 can also play a role in shock absorption and buffering.
Alternatively, in an embodiment of the present invention, each of the first and second gas springs 1 and 2 includes a rodless chamber, a rod chamber, and a piston, and the rodless chamber and the rod chamber are located on both sides of the piston. Accumulator 3 passes through oil pipe 4 and is connected with first oil gas spring 1's no pole chamber, accumulator 3 passes through oil pipe 4 and is connected with second oil gas spring 2's no pole chamber, can make two cavities that are close to first oil gas spring 1 of frame 100 and second oil gas spring 2 guarantee that pressure equals constantly, thereby no matter arbitrary one side receives the impact in well bridge 200 and rear axle 300, both sides homoenergetic shares impact load with the fastest time, reduce single-axle impact load peak value, thereby further reduce the impact that frame 100 received, further improve the ride comfort of vehicle.
Alternatively, in an embodiment of the present invention, with continued reference to FIG. 2, the oil pipe 4 is in an S-shaped configuration. Specifically, the oil pipe 4 includes a rubber pipe 41, a straight-through buckling and pressing joint 42 and a bent buckling and pressing joint 43, and the straight-through buckling and pressing joint 42 and the bent buckling and pressing joint 43 are respectively disposed at two ends of the rubber pipe 41. The bent buckling and pressing joint 43 can avoid the problem that oil cannot smoothly pass through the oil port of the energy accumulator 3 due to the fact that the right-angled bend is blocked. The buckling and pressing joint 43 is a 135-degree buckling and pressing joint 43, which is selected according to the inclination angle of the energy accumulator 3, in the embodiment, the inclination angle of the energy accumulator 3 is 45 degrees, so that the buckling and pressing joint 43 is a 135-degree buckling and pressing joint. In other embodiments, the angle of the buckling-pressing joint 43 is selected according to actual needs. The bent buckling and pressing joint 43 is connected with the energy accumulator 3, and the straight buckling and pressing joint 42 is connected with the first oil-gas spring 1 or the second oil-gas spring 2 connected with the oil pipe 4.
Alternatively, in the embodiment of the present invention, as shown in fig. 3, the accumulator 3 includes an oil chamber 31, and the two oil ports 311 of the oil chamber 31 are respectively communicated with the first oil-gas spring 1 and the second oil-gas spring 2 through the two oil pipes 4. The oil in the rodless chamber of the first gas spring 1 can enter the rodless chamber of the second gas spring 2 through the oil pipe 4 and the oil chamber 31, or the oil in the rodless chamber of the second gas spring 2 can enter the rodless chamber of the first gas spring 1 through the oil pipe 4 and the oil chamber 31.
The accumulator 3 further includes a first air chamber 32, the first air chamber 32 being located at one side of the oil chamber 31 and connected to the oil chamber 31 through a first floating piston 33, the first floating piston 33 being capable of compressing oil in the oil chamber 31 or compressing gas in the first air chamber 32. Preferably, the first air chamber 32 is a low pressure air chamber, and the air filled in the first air chamber 32 is a low pressure air. When the vehicle is loaded, the oil can act on the first floating piston 33 through the oil chamber 31 to compress the gas in the first air chamber 32, thereby achieving the purpose of sharing the vehicle load capacity.
The accumulator 3 further includes a second air chamber 34, the second air chamber 34 being located on the other side of the oil chamber 31 and connected to the oil chamber 31 through a second floating piston 35, the second floating piston 35 being capable of compressing oil in the oil chamber 31 or compressing gas in the second air chamber 34. Preferably, the second gas chamber 34 is a high-pressure gas chamber, and the gas filled inside the second gas chamber 34 is a high-pressure gas. When the vehicle is loaded, the oil can act on the second floating piston 35 through the oil chamber 31 to compress the gas in the second air chamber 34, thereby achieving the purpose of sharing the vehicle load capacity.
In the present embodiment, the gas filled in the first and second gas chambers 32 and 34 is nitrogen gas. It should be noted that the specific pressure values of the low-pressure gas and the high-pressure gas are set according to the unloaded state and the loaded state of the actual vehicle, and the pressure values of the vehicles of different models are different, and are not specifically limited herein.
When the middle axle 200 and the rear axle 300 are not subjected to force, the pressures of the hydraulic oil in the oil chamber 31 and the rodless chamber communicating with the oil chamber 31 are both made zero. When the vehicle is in an idling state, the pressure of hydraulic oil in the oil chamber 31 and the rodless chamber communicating with the oil chamber 31 is only greater than the nitrogen pressure of the first air chamber 32 (i.e., the low-pressure air chamber), the first floating piston 33 is pushed away from the oil chamber 31, and the first air chamber 32 starts to function; when the vehicle is in a full-load state, the pressure of the hydraulic oil in the oil chamber 31 and the rodless chamber communicating with the oil chamber 31 is greater than the nitrogen pressure of the second gas chamber 34 (i.e., the high-pressure gas chamber), the first floating piston 33 and the second floating piston 35 are pushed away from the oil chamber 31 while the first gas chamber 32 and the second gas chamber 34 are activated simultaneously.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An hydro-pneumatic balanced suspension system, comprising:
a first gas spring (1) mounted on one side of a middle axle (200) of a vehicle;
the second oil-gas spring (2) is installed on one side of a rear axle (300) of the vehicle, and the first oil-gas spring (1) and the second oil-gas spring (2) are located on the same side of a frame (100) of the vehicle;
the energy accumulator (3) is installed on the outer side of the frame (100), two sides of the energy accumulator (3) are respectively connected with the first oil-gas spring (1) and the second oil-gas spring (2) through oil pipes (4), and the energy accumulator (3) is arranged in an inclined mode at an included angle relative to the first oil-gas spring (1) and the second oil-gas spring (2).
2. The hydro-pneumatic balanced suspension system of claim 1 wherein the included angle a ranges from 40 ° to 50 °.
3. The hydro-pneumatic balanced suspension system of claim 2 wherein the included angle a is 45 °.
4. The vapor balanced suspension system of claim 1, characterized in that the distance from the accumulator (3) center point to the first gas spring (1) center point is the same as the distance from the accumulator (3) center point to the second gas spring (2) center point.
5. The hydro-pneumatic balanced suspension system of claim 1, characterized in that the oil pipe (4) is arranged in an S-shape.
6. The hydro-pneumatic balanced suspension system of claim 5, characterized in that the oil pipe (4) comprises a rubber hose (41), a straight-through buckling and pressing joint (42) and a buckling and pressing joint (43), wherein the straight-through buckling and pressing joint (42) and the buckling and pressing joint (43) are respectively arranged at two ends of the rubber hose (41).
7. The hydro-pneumatic balanced suspension system of claim 1, characterized in that the accumulator (3) comprises an oil chamber (31), two oil ports of the oil chamber (31) being in communication with the first hydro-pneumatic spring (1) and the second hydro-pneumatic spring (2) through oil pipes (4), respectively.
8. Hydro-pneumatic balanced suspension system according to claim 7 characterized in that the accumulator (3) further comprises a first air chamber (32), the first air chamber (32) being located at one side of the oil chamber (31) and being connected to the oil chamber (31) by a first floating piston (33), the first floating piston (33) being able to compress oil in the oil chamber (31) or gas in the first air chamber (32).
9. Hydro-pneumatic balanced suspension system according to claim 8, characterized in that the accumulator (3) further comprises a second air chamber (34), the second air chamber (34) being located on the other side of the oil chamber (31) and being connected to the oil chamber (31) by a second floating piston (35), the second floating piston (35) being able to compress oil in the oil chamber (31) or gas in the second air chamber (34).
10. A vehicle comprising an oleo-pneumatic balanced suspension system as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123372123.2U CN216545613U (en) | 2021-12-29 | 2021-12-29 | Oil-gas balance suspension system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123372123.2U CN216545613U (en) | 2021-12-29 | 2021-12-29 | Oil-gas balance suspension system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216545613U true CN216545613U (en) | 2022-05-17 |
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ID=81558335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123372123.2U Active CN216545613U (en) | 2021-12-29 | 2021-12-29 | Oil-gas balance suspension system and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN216545613U (en) |
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2021
- 2021-12-29 CN CN202123372123.2U patent/CN216545613U/en active Active
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| CP01 | Change in the name or title of a patent holder |
Address after: No.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province, 250104 Patentee after: Lingong Heavy Machinery Co.,Ltd. Address before: No.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province, 250104 Patentee before: LINGONG GROUP JINAN HEAVY MACHINERY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |