CN210881581U - Air-drop vehicle self-adaptation hydraulic suspension buffer system and air-drop vehicle - Google Patents
Air-drop vehicle self-adaptation hydraulic suspension buffer system and air-drop vehicle Download PDFInfo
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- CN210881581U CN210881581U CN201922073940.4U CN201922073940U CN210881581U CN 210881581 U CN210881581 U CN 210881581U CN 201922073940 U CN201922073940 U CN 201922073940U CN 210881581 U CN210881581 U CN 210881581U
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Abstract
The utility model discloses an air-drop vehicle self-adaptation hydraulic pressure hangs buffer system, including spring cylinder (1), energy storage ware (2), electric proportion choke valve (3), load monitoring devices (4) and controller (5), the rodless chamber warp of spring cylinder (1) electric proportion choke valve (3) are connected to energy storage ware (2), load monitoring devices (4) and electric proportion choke valve (3) all are connected with controller (5), load monitoring devices (4) are used for monitoring the size of the whole car load of air-drop vehicle to send load size signal for controller (5), controller (5) are according to the aperture of load size control electric proportion choke valve (3). The utility model discloses can make its adaptability improve greatly according to the buffering damping that hangs of operating mode automatically regulated air-drop vehicle, and simple structure, easy to maintain is good.
Description
Technical Field
The utility model belongs to the technical field of vehicle suspension system, concretely relates to air-drop vehicle self-adaptation hydraulic pressure hangs buffer system and air-drop vehicle.
Background
The airdrop vehicle generally requires large load, compact structure, flexibility, mobility and strong passing capability, the working environment is generally severe, and the geographic environment is complicated. Therefore, the requirement on the performance of the chassis of the air-drop vehicle is high.
Most of current hydro-pneumatic suspension buffer systems aim at common vehicles or engineering mechanical equipment and the like, most of buffer damping of the current hydro-pneumatic suspension buffer systems are fixedly arranged, and the current hydro-pneumatic suspension buffer systems cannot adapt to various loads or complex pavement conditions, or have complex structures and cannot adapt to compact design of an air-drop vehicle.
SUMMERY OF THE UTILITY MODEL
For solving at least one among the above-mentioned technical problem, the utility model provides an air-drop vehicle self-adaptation hydraulic pressure hangs buffer system.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an air-drop vehicle self-adaptation hydraulic pressure hangs buffer system, including spring cylinder, energy storage ware, electric proportion choke valve, load monitoring devices and controller, spring cylinder's no pole chamber warp the electric proportion choke valve is connected to the energy storage ware, load monitoring devices and electric proportion choke valve all are connected with the controller, load monitoring devices is used for monitoring the size of the whole car load of air-drop vehicle to send load size signal for the controller, the controller is according to the aperture of load size control electric proportion choke valve.
As a further improvement, the spring oil cylinder further comprises a one-way valve, and a rodless cavity of the spring oil cylinder is connected to the energy accumulator through the one-way valve; and the inlet and the outlet of the one-way valve are respectively connected with the rodless cavity of the spring oil cylinder and the energy accumulator, or the inlet and the outlet of the one-way valve are respectively connected with the rodless cavity of the energy accumulator and the spring oil cylinder.
As a further improvement, the electric proportional throttle valve and the one-way valve are integrated to form an electric proportional one-way throttle valve.
As a further improvement, the load monitoring device is a gravity acceleration sensor arranged on the body of the airdrop vehicle.
As a further improvement, the load monitoring device is a pressure sensor for monitoring the oil pressure in the rodless cavity of the spring oil cylinder.
As a further improvement, an external control hydraulic lock is arranged in an oil path between a rodless cavity of the spring oil cylinder and the energy accumulator, and an external control port of the external control hydraulic lock is connected with a pressure oil source and an oil tank through a buffer mode switching valve.
As a further improvement, the hydraulic oil storage system further comprises a pressure switch and a liquid filling electromagnetic valve, wherein the pressure switch is arranged on the energy accumulator and used for sending a switch signal when the pressure in the energy accumulator is at a preset lowest pressure value and a preset highest pressure value, the energy accumulator is connected with a liquid filling pressure oil source through the liquid filling electromagnetic valve, the pressure switch is connected with the liquid filling electromagnetic valve, the liquid filling electromagnetic valve controls the energy accumulator to be communicated with the liquid filling pressure oil source according to the switch signal when the lowest pressure value is preset, and controls the energy accumulator to be disconnected from the liquid filling pressure oil source according to the switch signal when the highest pressure value is preset.
The utility model provides an air-drop vehicle self-adaptation hydraulic pressure hangs buffer system, including spring cylinder, energy storage ware, electric proportion choke valve, load monitoring devices and controller, spring cylinder's no pole chamber warp the electric proportion choke valve is connected to the energy storage ware, load monitoring devices and electric proportion choke valve all are connected with the controller, load monitoring devices is used for monitoring the size of the whole car load of air-drop vehicle to send load size signal for the controller, the controller is according to the aperture of load size control electric proportion choke valve. The utility model discloses when being applied to during the suspension of air-drop vehicle, the air-drop vehicle is under different work condition (like geographical environment is different, loading device is different), and the load on its chassis especially strikes the load and can take place to show and change, the utility model discloses a load monitoring devices is used for monitoring the size of the whole car load of air-drop vehicle to send load size signal for the controller, the controller utilizes the aperture of electricity proportion choke valve to come automatically regulated suspended damping according to the aperture of load size control electricity proportion choke valve. The utility model discloses can make its adaptability improve greatly according to the buffering damping that hangs of operating mode automatically regulated air-drop vehicle, and simple structure, easy to maintain is good.
On the other hand, the utility model also provides an air-drop vehicle, including automobile body, wheel, be provided with as above between automobile body, the wheel air-drop vehicle self-adaptation hydraulic pressure hang buffer system.
The utility model provides an air-drop vehicle is owing to include as above air-drop vehicle self-adaptation hydraulic pressure hang buffer system, it should have corresponding beneficial effect, consequently no longer gives unnecessary details.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is the hydraulic schematic diagram of a first embodiment of the adaptive hydraulic suspension buffer system of the airdrop vehicle of the present invention.
Fig. 2 is a hydraulic schematic diagram of a second embodiment of the airdrop vehicle adaptive hydraulic suspension buffer system of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
As shown in fig. 1, the embodiment of the utility model provides an air-drop vehicle self-adaptation hydraulic pressure hangs buffer system, including spring cylinder 1, energy storage ware 2, electric proportion choke valve 3, load monitoring device 4 and controller 5, spring cylinder 1's no pole chamber warp electric proportion choke valve 3 is connected to energy storage ware 2, load monitoring device 4 and electric proportion choke valve 3 all are connected with controller 5, load monitoring device 4 is used for monitoring the size of the whole car load of air-drop vehicle to send load size signal for controller 5, controller 5 is according to the aperture of load size control electric proportion choke valve 3. The outlet of the accumulator 2 is also connected with a stop valve 11 and an overflow valve 12, and the stop valve 11 is used for manually releasing the pressure of the accumulator 2 and manually releasing the pressure during maintenance. The overflow valve 12 is used for protecting the energy accumulator 2 and ensuring that the buffer pressure of the energy accumulator 2 is not too large to cause damage.
As a further preferred embodiment, the spring oil cylinder further comprises a one-way valve 6, the electric proportional throttle valve 3 and the one-way valve 6 are integrated to form an electric proportional one-way throttle valve, and the rodless cavity of the spring oil cylinder 1 is connected to the energy accumulator 2 through the one-way valve 6. And the inlet and the outlet of the one-way valve 6 are respectively connected with the energy accumulator 2 and the rodless cavity of the spring oil cylinder 1. Or, the entry, the export of check valve 6 are connected with rodless chamber, energy storage ware 2 of spring cylinder 1 respectively, and this moment as shown in fig. 2 the utility model discloses an embodiment two is shown, when spring cylinder 1 compresses, fluid in the rodless chamber can be fast through check valve 6 and enter into in the energy storage ware 2, realize the buffering.
As a further preferred embodiment, the load monitoring device 4 is a gravitational acceleration sensor provided on the body of the airdrop vehicle. Under different working conditions (such as different geographic environments and different loading devices) of the air-drop vehicle, the vehicle body of the air-drop vehicle jolts in different amplitudes, the jolting amplitude can be calculated through the gravity acceleration sensor, a load size signal of the air-drop vehicle can be converted, and the controller 5 can automatically adjust the suspension buffer damping of the air-drop vehicle according to the working conditions.
In a further preferred embodiment, the load monitoring device 4 may be a pressure sensor that monitors the oil pressure in the rodless chamber of the spring cylinder 1. Under different working conditions (such as different geographical environments and different loading devices) of the air-drop vehicle, the load of a chassis, particularly the impact load, can be changed remarkably, the impact load can be correspondingly converted into the pressure of the oil pressure in the rodless cavity of the spring oil cylinder 1, the load size signal of the air-drop vehicle can be obtained by monitoring the oil pressure in the rodless cavity of the spring oil cylinder 1, and the controller 5 can automatically adjust the suspension buffer damping of the air-drop vehicle according to the working conditions.
In a further preferred embodiment, an external control hydraulic lock 7 is provided in an oil path between the rodless chamber of the spring cylinder 1 and the accumulator 2, and an external control port of the external control hydraulic lock 7 is connected to the pressure oil source and the oil tank through a buffer mode switching valve 10. The external control type hydraulic lock is matched with the buffer mode switching valve to automatically switch the rigid mode and the buffer mode of the air-drop vehicle; if the air-drop vehicle does not need the buffering function, only the buffering mode switching valve 10 needs to be powered off, at the moment, the external control hydraulic lock 7 isolates the spring oil cylinder 1 from the energy accumulator 2, the system has no buffering function, and the air-drop vehicle is in a rigid mode. If the working environment of the air-drop vehicle is severe and the buffer function needs to be opened, the buffer mode switching valve 10 is powered on and opened at the moment, a pressure oil source such as system pressure P2 enters a control port of the external control hydraulic lock 7 through the buffer mode switching valve 10, so that the hydraulic lock is opened, the rodless cavity of the spring oil cylinder 1 is kept communicated with the energy accumulator 2, the pressure of the energy accumulator 2 is isolated from the system pressure P1 through the check valve 13, and the system enters the buffer function at the moment.
As a further preferred embodiment, the hydraulic accumulator further comprises a pressure switch 8 and a liquid filling solenoid valve 9, the pressure switch 8 is arranged on the energy accumulator 2 and is used for sending a switching signal when the pressure in the energy accumulator 2 is at a preset lowest pressure value and a preset highest pressure value, the energy accumulator 2 is connected with a liquid filling pressure oil source through the liquid filling solenoid valve 9, the pressure switch 8 is connected with the liquid filling solenoid valve 9, the liquid filling solenoid valve 9 controls the energy accumulator 2 to be communicated with the liquid filling pressure oil source according to the switching signal when the lowest pressure value is preset, and controls the energy accumulator 2 to be disconnected from the liquid filling pressure oil source according to the switching signal when the highest pressure value is preset. The pressure switch 6 is used for monitoring the pressure inside the energy accumulator 2, and when the pressure for charging the energy accumulator 2 is too small, the system automatically supplements.
The utility model discloses in the above-mentioned embodiment, system pressure P1 gets into energy storage ware 2 and external accuse hydraulic pressure lock 7 through check valve 13, and through the rodless chamber that electric proportion choke valve 3 got into spring cylinder 1 after external accuse hydraulic pressure lock 7, can support the load. After the air-drop vehicle enters the buffering working condition, the controller automatically monitors the load size, so that the opening size of the electric proportional throttle valve is automatically adjusted, the buffering damping is adjusted, and different buffering effects are achieved. The utility model discloses when being applied to during the suspension of air-drop vehicle, the air-drop vehicle is under different work condition (like geographical environment is different, loading device is different), and the load on its chassis especially strikes the load and can take place to show and change, the utility model discloses a load monitoring devices is used for monitoring the size of the whole car load of air-drop vehicle to send load size signal for the controller, the controller utilizes the aperture of electricity proportion choke valve to come automatically regulated suspended damping according to the aperture of load size control electricity proportion choke valve. The utility model discloses can make its adaptability improve greatly according to the buffering damping that hangs of operating mode automatically regulated air-drop vehicle, and simple structure, easy to maintain is good. Furthermore, the utility model discloses utilize external control formula hydraulic pressure lock to guarantee that the air-drop vehicle keeps the rigidity when not needing the buffering, from the many sides and improve air-drop vehicle environmental suitability, anti-tilt ability and intelligent advanced such as automatic.
The embodiment of the utility model provides a still provide an air-drop vehicle, including automobile body, wheel, be provided with between automobile body, the wheel as above air-drop vehicle self-adaptation hydraulic pressure hang buffer system.
The embodiment of the utility model provides an air-drop vehicle is owing to include as above air-drop vehicle self-adaptation hydraulic pressure suspension buffer system, it should have corresponding beneficial effect, consequently no longer gives unnecessary details.
In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore should not be construed as limiting the scope of the invention.
In conclusion, although the present invention has been described with reference to the preferred embodiments, it should be noted that, although various changes and modifications can be made by those skilled in the art, unless such changes and modifications depart from the scope of the present invention, they should be construed as being included therein.
Claims (8)
1. The utility model provides an air-drop vehicle self-adaptation hydraulic pressure hangs buffer system which characterized in that: including spring cylinder (1), energy storage ware (2), electric proportion choke valve (3), load monitoring devices (4) and controller (5), the rodless chamber warp of spring cylinder (1) electric proportion choke valve (3) are connected to energy storage ware (2), load monitoring devices (4) and electric proportion choke valve (3) all are connected with controller (5), load monitoring devices (4) are used for monitoring the size of the whole car load of air-drop vehicle to send load size signal for controller (5), controller (5) is according to the aperture of load size control electric proportion choke valve (3).
2. The aerial delivery vehicle adaptive hydraulic suspension buffer system of claim 1, wherein: the spring oil cylinder (1) is characterized by further comprising a one-way valve (6), and a rodless cavity of the spring oil cylinder (1) is connected to the energy accumulator (2) through the one-way valve (6); the inlet and the outlet of the one-way valve (6) are respectively connected with the rodless cavity of the spring oil cylinder (1) and the energy accumulator (2), or the inlet and the outlet of the one-way valve (6) are respectively connected with the rodless cavity of the energy accumulator (2) and the spring oil cylinder (1).
3. The aerial delivery vehicle adaptive hydraulic suspension buffer system of claim 2, wherein: the electric proportional throttle valve (3) and the one-way valve (6) are integrated to form the electric proportional one-way throttle valve.
4. The aerial delivery vehicle adaptive hydraulic suspension bumper system of claim 1, 2 or 3, wherein: the load monitoring device (4) is a gravity acceleration sensor arranged on the air-drop vehicle body.
5. The aerial delivery vehicle adaptive hydraulic suspension bumper system of claim 1, 2 or 3, wherein: the load monitoring device (4) is a pressure sensor for monitoring the oil pressure in a rodless cavity of the spring oil cylinder (1).
6. The aerial delivery vehicle adaptive hydraulic suspension bumper system of claim 1, 2 or 3, wherein: an external control hydraulic lock (7) is arranged in an oil path between a rodless cavity of the spring oil cylinder (1) and the energy accumulator (2), and an external control port of the external control hydraulic lock (7) is connected with a pressure oil source and an oil tank through a buffer mode switching valve (10).
7. The aerial delivery vehicle adaptive hydraulic suspension bumper system of claim 1, 2 or 3, wherein: the hydraulic oil storage system is characterized by further comprising a pressure switch (8) and a liquid filling electromagnetic valve (9), wherein the pressure switch (8) is arranged on the energy accumulator (2) and used for sending a switching signal when the pressure in the energy accumulator (2) is at a preset lowest pressure value and a preset highest pressure value, the energy accumulator (2) is connected with a liquid filling pressure oil source through the liquid filling electromagnetic valve (9), the pressure switch (8) is connected with the liquid filling electromagnetic valve (9), the liquid filling electromagnetic valve (9) controls the energy accumulator (2) to be communicated with the liquid filling pressure oil source according to the switching signal when the lowest pressure value is preset, and the energy accumulator (2) is controlled to be disconnected with the liquid filling pressure oil source according to the switching signal when the highest pressure value is preset.
8. The utility model provides an air-drop vehicle, includes automobile body, wheel, its characterized in that: an airdrop vehicle self-adaptive hydraulic suspension buffer system as claimed in any one of claims 1 to 7 is arranged between the vehicle body and the wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922073940.4U CN210881581U (en) | 2019-11-27 | 2019-11-27 | Air-drop vehicle self-adaptation hydraulic suspension buffer system and air-drop vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922073940.4U CN210881581U (en) | 2019-11-27 | 2019-11-27 | Air-drop vehicle self-adaptation hydraulic suspension buffer system and air-drop vehicle |
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| CN210881581U true CN210881581U (en) | 2020-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520032A (en) * | 2021-01-07 | 2021-03-19 | 上海玥畔江生物科技有限公司 | Be used for collecting radiation zone soil air-drop device |
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2019
- 2019-11-27 CN CN201922073940.4U patent/CN210881581U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520032A (en) * | 2021-01-07 | 2021-03-19 | 上海玥畔江生物科技有限公司 | Be used for collecting radiation zone soil air-drop device |
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