CN204915437U - Vehicle - Google Patents
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- CN204915437U CN204915437U CN201520635857.0U CN201520635857U CN204915437U CN 204915437 U CN204915437 U CN 204915437U CN 201520635857 U CN201520635857 U CN 201520635857U CN 204915437 U CN204915437 U CN 204915437U
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Abstract
The utility model discloses a vehicle, including chassis and packing box, the packing box is articulated with the chassis, installs the tarpaulin mechanism that is used for coveing the packing box on the packing box tarpaulin mechanism hydraulic pressure oil circuit is provided with hydraulic pump, first switching -over valve, hydraulic motor in tarpaulin mechanism hydraulic pressure oil circuit, during first switching -over valve set up the oil circuit between hydraulic pump and hydraulic motor, hydraulic motor was connected with tarpaulin mechanism. The utility model discloses a vehicle adopts hydraulic motor drive tarpaulin mechanism lid to hold together and open, because hydraulic motor power is big, bigger traction force is realized to hydraulic motor's big moment of torsion, and hydraulic motor drives the function that tarpaulin mechanism realized the peaceful soil of scraping. Set up pressure sensor in tarpaulin mechanism hydraulic pressure oil circuit, the automatic identification tarpaulin resistance to motion of mechanism runs into automatic realization of large -scale barrier and retreats, protection operation tarpaulin mechanism.
Description
Technical field
The utility model relates to mechanical field, particularly a kind of vehicle.
Background technology
At present, transport city slag vehicles and dumping car are generally all stamped tarpaulin on container, and tarpaulin is used for preventing slag-soil truck airborne dust and leakage on the way from shedding, and causes secondary pollution and destruction to bad border, city.
The lid that present tarpaulin all adopts motor to drive tarpaulin mechanism to realize tarpaulin holds together and opens.Due to the restriction by power of motor, frequent clamping stagnation, easily burns insurance, does not possess the defencive functions such as automatic backing, and fault is many.
Utility model content
In view of this, the utility model proposes a kind of vehicle, to solve tarpaulin mechanism driving problems.
On the one hand, the utility model provides a kind of vehicle, comprise chassis and container, container is connected with chassis, container being provided with the tarpaulin mechanism for hiding container, comprising tarpaulin mechanism hydraulic circuit, in tarpaulin mechanism hydraulic circuit, be provided with Hydraulic Pump, the first change-over valve, HM Hydraulic Motor, first change-over valve is arranged in the oil circuit between Hydraulic Pump and HM Hydraulic Motor, and HM Hydraulic Motor is connected with tarpaulin mechanism.
Further, between Hydraulic Pump and the first change-over valve, be provided with reducing valve and flow regulating valve in oil circuit, flow regulating valve is between reducing valve and the first change-over valve in oil circuit.
Further, two the second by pass valves in parallel are provided with between two oil inlet and oil return oil circuits of HM Hydraulic Motor, the oil inlet of two the second by pass valves is connected with two oil inlet and oil return oil circuits of HM Hydraulic Motor respectively, and the oil outlet of two the second by pass valves is connected with two oil inlet and oil return oil circuits of HM Hydraulic Motor respectively.
Further, comprise lifting hydraulic circuit, lifting hydraulic circuit is provided with elevating ram and the second change-over valve, and elevating ram is arranged between chassis and container, and the second change-over valve is arranged in the oil circuit between Hydraulic Pump and elevating ram.
Further, between the second change-over valve and Hydraulic Pump, be provided with inserted valve in oil circuit, the oil circuit control of inserted valve is provided with the 3rd change-over valve, the oil inlet of the 3rd change-over valve is connected with the output circuit of Hydraulic Pump.
Further, comprise the gas circuit for controlling the second change-over valve commutation, gas circuit is provided with limit valve and Pneumatic valve, limit valve to be arranged on chassis and near elevating ram; First work gas port of Pneumatic valve is connected with the admission port of limit valve, and the second work gas port of Pneumatic valve controls mouth with the left and right of the second change-over valve respectively with the work gas port of limit valve and is connected.
Further, comprise fuel tank, be provided with the 3rd by pass valve in the oil circuit between elevating ram and the second change-over valve, the return opening of the 3rd by pass valve is connected with fuel tank.
Further, comprise fuel tank, be provided with the first by pass valve in the output circuit of Hydraulic Pump, the return opening of the first by pass valve is connected with fuel tank.
Further, comprise controller, in the oil circuit between the first change-over valve and HM Hydraulic Motor, be provided with pressure sensor; When the pressure that pressure sensor detects reaches preset pressure, controller controls the first change-over valve makes HM Hydraulic Motor stop the rotation or contrarotation.
Vehicle of the present utility model, adopts fluid motor-driven tarpaulin mechanism cover hold together and open, because HM Hydraulic Motor power is large, and the driving force ratio motor large more than 50% of HM Hydraulic Motor; The high pulling torque of HM Hydraulic Motor realizes more large traction, and HM Hydraulic Motor drives tarpaulin mechanism to realize the function of scraping and grading.Tarpaulin mechanism hydraulic circuit realizes start and stop and commutation function by the first change-over valve hydraulic control motor, controls electric current little, without surge impact voltage, can not burn insurance.In tarpaulin mechanism hydraulic circuit, arrange pressure sensor, automatically identify tarpaulin mechanism running resistance, encounter large obstacle and automatically realize retreating, protection runs tarpaulin mechanism.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is tarpaulin mechanism hydraulic circuit and the lifting hydraulic circuit schematic diagram of the utility model vehicle.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Below in conjunction with Fig. 1, preferred embodiment of the present utility model is described in further detail, the vehicle of this preferred embodiment: comprise chassis and container, container is connected with chassis, container is provided with the tarpaulin mechanism 9 for hiding container.Tarpaulin mechanism 9 is for driving tarpaulin lid to hold together and the mechanism opened.Tarpaulin is used for preventing slag-soil truck airborne dust and leakage on the way from shedding, and causes secondary pollution and destruction to bad border, city.
Elevating ram 11 is provided with between container and chassis.Container and chassis hinged, elevating ram 11 be drive container topple over goods around jointed shaft.
The utility model comprises for driving the tarpaulin mechanism hydraulic circuit of tarpaulin mechanism 9 action and the lifting hydraulic circuit for driving container to topple over goods.In tarpaulin mechanism hydraulic circuit, be provided with Hydraulic Pump 1, first change-over valve 6, HM Hydraulic Motor 10, first change-over valve 6 is arranged in the oil circuit between Hydraulic Pump 1 and HM Hydraulic Motor 10, HM Hydraulic Motor 10 is connected with tarpaulin mechanism 9.Controlling the first change-over valve 6 commutation makes HM Hydraulic Motor 10 realize forward and reverse rotation.Because HM Hydraulic Motor 10 power is large, the driving force ratio motor large more than 50% of HM Hydraulic Motor 10; The high pulling torque of HM Hydraulic Motor 10 realizes more large traction, and HM Hydraulic Motor 10 drives tarpaulin mechanism 9 to realize the function of scraping and grading.Tarpaulin mechanism hydraulic circuit realizes start and stop and commutation function by the first change-over valve 6 hydraulic control motor 10, controls electric current little, without surge impact voltage, can not burn insurance.
In order to ensure tarpaulin mechanism hydraulic circuit pressure stability, preventing the excessive and excessive velocities of the propulsive effort of HM Hydraulic Motor 10, damaging tarpaulin mechanism 9.Between Hydraulic Pump 1 and the first change-over valve 6, be provided with reducing valve 4 and flow regulating valve 5 in oil circuit, flow regulating valve 5 is between reducing valve 4 and the first change-over valve 6 in oil circuit.Flow regulating valve 5 plays the effect of current limliting, prevents HM Hydraulic Motor 10 excessive velocities.Reducing valve 4 ensures that reducing valve 4 delivery pressure is constant, prevents the propulsive effort of HM Hydraulic Motor 10 excessive, and then prevents tarpaulin mechanism 9 from damaging because of the excessive tarpaulin mechanism 9 that causes of propulsive effort of HM Hydraulic Motor 10.
In order to protect HM Hydraulic Motor 10; prevent pressure in tarpaulin mechanism 9 hydraulic circuit excessive; HM Hydraulic Motor 10 is caused to damage; HM Hydraulic Motor 10 between two oil inlet and oil return oil circuits B, C in be provided with two the second by pass valves 7 in parallel; the oil inlet of two the second by pass valves 7 is connected with two oil inlet and oil return oil circuits B, C of HM Hydraulic Motor 10 respectively, and the oil outlet of two the second by pass valves 7 is connected with two oil inlet and oil return oil circuits B, C of HM Hydraulic Motor 10 respectively.That is, the oil inlet of a by pass valve is connected with first oil inlet and oil return oil circuit B of HM Hydraulic Motor 10, and the oil inlet of another by pass valve is connected with second oil inlet and oil return oil circuit C of HM Hydraulic Motor 10.The oil outlet of a by pass valve is connected with second oil inlet and oil return oil circuit C of HM Hydraulic Motor 10, and the oil outlet of another by pass valve is connected with first oil inlet and oil return oil circuit B of HM Hydraulic Motor 10.When response pressure more than the second by pass valve 7 of the pressure of oil inlet and oil return oil circuit B, C of HM Hydraulic Motor 10, the second by pass valve 7 starts overflow, thus prevents HM Hydraulic Motor 10 from transshipping.
Lifting hydraulic circuit is provided with elevating ram 11, second change-over valve 13, inserted valve 2, elevating ram 11 is arranged between chassis and container, inserted valve 2 to be arranged between the second change-over valve 13 and Hydraulic Pump 1 in oil circuit A, second change-over valve 13 is arranged in the oil circuit D between inserted valve 2 and elevating ram 11, and the output circuit of the second change-over valve 13 is connected with the rodless cavity of elevating ram 11.The oil inlet that the oil circuit control of inserted valve 2 is provided with the 3rd change-over valve the 3, three change-over valve 3 is connected with the output circuit of Hydraulic Pump 1.Second change-over valve 13 and the 3rd change-over valve 3 control elevating ram 11 action, realize container and topple over.
When needs carry out 9 action of tarpaulin mechanism, press the 3rd change-over valve 3 switch, make the 3rd change-over valve 3 obtain electric, the 3rd change-over valve 3 is in right position, and inserted valve 2 is closed, and the pressure oil of Hydraulic Pump 1 enters the second change-over valve 13 by inserted valve 2.Now operating the first change-over valve 6 makes HM Hydraulic Motor 10 rotate, and realizes tarpaulin mechanism 9 action.
When needs carry out lifting action, press the 3rd change-over valve 3 switch, make the 3rd change-over valve 3 must not electricity, the 3rd change-over valve 3 is in left position, and inserted valve 2 is opened, and the pressure oil of Hydraulic Pump 1 enters the second change-over valve 13 by inserted valve 2.Now, operate the second change-over valve 13 and make elevating ram 11 action.Realize container to topple over.
In order to avoid significantly lifting causes overturning, comprise the gas circuit commutated for controlling the second change-over valve 13, gas circuit is provided with limit valve 16 and Pneumatic valve 17, limit valve 16 to be arranged on chassis and near elevating ram 11; When container topple over amplitude excessive time, elevating ram 11 can encounter limit valve 16, and limit valve 16 is commutated.
First work gas port of Pneumatic valve 17 is connected with the admission port of limit valve 16, second work gas port of Pneumatic valve 17 controls mouth with the left and right of the second change-over valve 13 respectively with the work gas port of limit valve 16 and is connected, the admission port of Pneumatic valve 17 is connected with compressed air source, is provided with exhausr port at Pneumatic valve 17 and limit valve 16.
When needs carry out lifting action, operation Pneumatic valve 17 is in left position, and pressurized air by the right control mouth of the left position of Pneumatic valve 17, the left position of limit valve 16, the second change-over valve 13, makes the second change-over valve 13 be in right position, the rodless cavity oil-feed of elevating ram 11 successively.When container topple over exceed restriction amplitude time, elevating ram 11 can encounter limit valve 16, and limit valve 16 is commutated.Limit valve 16 is in right position, and the pressurized air in the right control mouth of the second change-over valve 13 is in right position by limit valve 16 and discharges, and makes the second change-over valve 13 be in meta.Thus avoid significantly lifting to cause roll-over accident.
The return opening being provided with the 3rd by pass valve the 12, three by pass valve 12 in oil circuit between elevating ram 11 and the second change-over valve 13 is connected with fuel tank 15.3rd by pass valve 12 is mainly used as safety valve and uses.Prevent lifting action resistance excessive, protection lifting hydraulic circuit safety.The return opening E being provided with the first by pass valve 14, first by pass valve 14 in the output circuit of Hydraulic Pump 1 is connected with fuel tank 15.First by pass valve 14 is mainly used as safety valve and uses.Protection tarpaulin organization hydraulic pressure oil circuit and lifting hydraulic circuit safety.
In order to realize automatic backing defencive function, comprising controller 18, in the oil circuit B between the first change-over valve 6 and HM Hydraulic Motor 10, being provided with pressure sensor 8; Pressure sensor 8 is set in tarpaulin mechanism hydraulic circuit, automatically can identifies tarpaulin mechanism 9 running resistance.When the pressure that pressure sensor 8 detects reaches preset pressure, namely large obstacle is encountered by tarpaulin mechanism 9, if moved on, can damage tarpaulin mechanism 9.Controller 18 obtains pressure sensor 8 signal.When the pressure that pressure sensor 8 detects reaches preset pressure, control the first change-over valve 6 and commutate, HM Hydraulic Motor 10 is stopped the rotation or contrarotation, automatically realize tarpaulin mechanism 9 and retreat, protection runs tarpaulin mechanism 9.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a vehicle, comprise chassis and container, described container is connected with chassis, described container is provided with the tarpaulin mechanism (9) for hiding described container, it is characterized in that, also comprise tarpaulin mechanism hydraulic circuit, Hydraulic Pump (1), the first change-over valve (6) and HM Hydraulic Motor (10) is provided with in described tarpaulin mechanism hydraulic circuit, described first change-over valve (6) is arranged in the oil circuit between described Hydraulic Pump (1) and HM Hydraulic Motor (10), and described HM Hydraulic Motor (10) is connected with tarpaulin mechanism (9).
2. vehicle according to claim 1, it is characterized in that, between described Hydraulic Pump (1) and the first change-over valve (6), be provided with reducing valve (4) and flow regulating valve (5) in oil circuit, described flow regulating valve (5) is arranged in oil circuit between reducing valve (4) and the first change-over valve (6).
3. vehicle according to claim 2, it is characterized in that, two the second by pass valves (7) in parallel are provided with between two oil inlet and oil return oil circuits of described HM Hydraulic Motor (10), the oil inlet of two the second by pass valves (7) is connected with two oil inlet and oil return oil circuits of HM Hydraulic Motor (10) respectively, and the oil outlet of two the second by pass valves (7) is connected with two oil inlet and oil return oil circuits of HM Hydraulic Motor (10) respectively.
4. vehicle according to claim 1, it is characterized in that, comprise lifting hydraulic circuit, described lifting hydraulic circuit is provided with elevating ram (11) and the second change-over valve (13), elevating ram (11) is arranged between chassis and container, and the second change-over valve (13) is arranged in the oil circuit between Hydraulic Pump (1) and elevating ram (11).
5. vehicle according to claim 4, it is characterized in that, inserted valve (2) is provided with in oil circuit between described second change-over valve (13) and Hydraulic Pump (1), the oil circuit control of described inserted valve (2) is provided with the 3rd change-over valve (3), and the oil inlet of described 3rd change-over valve (3) is connected with the output circuit of Hydraulic Pump (1).
6. vehicle according to claim 4, it is characterized in that, comprise the gas circuit commutated for controlling the second change-over valve (13), described gas circuit is provided with limit valve (16) and Pneumatic valve (17), and described limit valve (16) to be arranged on chassis and near elevating ram (11); First work gas port of described Pneumatic valve (17) is connected with the admission port of limit valve (16), and the second work gas port of described Pneumatic valve (17) controls mouth with the left and right of the second change-over valve (13) respectively with the work gas port of limit valve (16) and is connected.
7. vehicle according to claim 4, it is characterized in that, comprise fuel tank (15), be provided with the 3rd by pass valve (12) in oil circuit between described elevating ram (11) and the second change-over valve (13), the return opening of described 3rd by pass valve (12) is connected with fuel tank (15).
8. vehicle according to claim 1, it is characterized in that, comprise fuel tank (15), in the output circuit of described Hydraulic Pump (1), be provided with the first by pass valve (14), the return opening of described first by pass valve (14) is connected with fuel tank (15).
9. the vehicle according to claim 1 to 8 any one, it is characterized in that, comprise controller (18), in the oil circuit between described first change-over valve (6) and HM Hydraulic Motor (10), be provided with pressure sensor (8); When the pressure that described pressure sensor (8) detects reaches preset pressure, described controller (18) controls the first change-over valve (6) makes HM Hydraulic Motor (10) stop the rotation or contrarotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520635857.0U CN204915437U (en) | 2015-08-21 | 2015-08-21 | Vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520635857.0U CN204915437U (en) | 2015-08-21 | 2015-08-21 | Vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204915437U true CN204915437U (en) | 2015-12-30 |
Family
ID=54964602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520635857.0U Active CN204915437U (en) | 2015-08-21 | 2015-08-21 | Vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204915437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762881A (en) * | 2016-12-20 | 2017-05-31 | 三汽车制造有限公司 | tarpaulin mechanism hydraulic control system and dumper |
-
2015
- 2015-08-21 CN CN201520635857.0U patent/CN204915437U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762881A (en) * | 2016-12-20 | 2017-05-31 | 三汽车制造有限公司 | tarpaulin mechanism hydraulic control system and dumper |
| CN106762881B (en) * | 2016-12-20 | 2018-07-03 | 三一汽车制造有限公司 | tarpaulin mechanism hydraulic control system and dumper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190425 Address after: 422002 Shaoyang Shuangqing District, Shaoyang Avenue, Baoqing Industrial Concentration Zone, Sanyi Heavy Industry Area E Office Building, Shaoyang City, Hunan Province Patentee after: Sanyi Special Vehicle Co., Ltd. Address before: 422000 Wuli Brand, Shaoyang City, Hunan Province Patentee before: HUNAN AUTOMOBILE MANUFACTURING CO., LTD. |