CN202686064U - Hydraulic device for expanded cabin - Google Patents
Hydraulic device for expanded cabin Download PDFInfo
- Publication number
- CN202686064U CN202686064U CN2012202692520U CN201220269252U CN202686064U CN 202686064 U CN202686064 U CN 202686064U CN 2012202692520 U CN2012202692520 U CN 2012202692520U CN 201220269252 U CN201220269252 U CN 201220269252U CN 202686064 U CN202686064 U CN 202686064U
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- oil
- cabin
- directional control
- solenoid directional
- valve
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- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic device for an expanded cabin. The hydraulic device comprises a motor, an oil pump, an electromagnetic reversing valve and a first check valve. The motor is connected with the oil pump. An oil inlet of the oil pump is connected with an oil tank through a first oil suction filter, and an oil outlet of the oil pump is connected with a main oil inlet of the electromagnetic reversing valve through the first check valve. A main return opening of the electromagnetic reversing valve is connected with a return filter. An oil outlet of the electromagnetic reversing valve is connected with oil ports of a main cabin lifting oil cylinder, an expanded cabin top plate folding and unfolding oil cylinder and an expanded cabin bottom plate folding and unfolding oil cylinder through a balance valve, a one-way throttling valve and a hydraulic lock respectively. A pressure regulating valve is connected between a main oil inlet and the main return opening of the electromagnetic reversing valve. The hydraulic device for the expanded cabin is used for realizing the main cabin lifting, expanded cabin top plate folding and unfolding and expanded cabin bottom plate folding and unfolding of a square cabin or a van vehicle, a gravity load can be effectively balanced, the problem of multi-cylinder synchronization is well solved, a power source is backed up, and the hydraulic device is adapted to a low-temperature environment, and can works safely and reliably.
Description
Technical field
The utility model relates to a kind of hydraulic efficiency gear, particularly a kind of main cabin lifting for control lifting mode expanded shelter or extendable van, the expansion type cabin hydraulic efficiency gear that the exhibition of expansion tank top board is received, the exhibition of expansion tank base plate is received.
Background technology
Shelter or van are by realizing the automation of product realizing different control functions with the combination of hydraulic technique.Existing shelter or van just realize that by hydraulic efficiency gear the extended cabin top board exhibition of shelter is received, the exhibition of extended cabin base plate is received or the wing open function of van, even realize that shelter or van are in the lifting expansion of short transverse, in exhibition receipts process, also fail to handle well gravity load and multi-cylinder synchronous problem, propulsion source is backup not, in case et out of order, function is received in the exhibition of can not finishing, and can not work under low temperature environment.
The utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of main cabin lifting of shelter or van, hydraulic efficiency gear that the exhibition of extended cabin top board is received, the exhibition of extended cabin base plate is received realized, this hydraulic efficiency gear can the load of actv. balancing gravity simultaneously, resolve the multi-cylinder synchronous problem, propulsion source is provided with backup, can adapt to low temperature environment work, safe and reliable.
Technical scheme: for achieving the above object, a kind of expansion type cabin hydraulic efficiency gear of the present utility model, comprise motor, oil pump, solenoid directional control valve and the first check valve, described motor is connected with oil pump, the oil pump oil inlet links to each other with fuel tank by the first oil absorption filter, the oil pump oil outlet is connected with the main oil inlet of solenoid directional control valve by the first check valve, the main return opening of solenoid directional control valve group links to each other with return filter, the oil outlet of solenoid directional control valve passes through balance cock, one-way throttle valve, hydraulic lock respectively with main cabin hoist cylinder, oil cylinder is received in the exhibition of extended cabin top board, the hydraulic fluid port that oil cylinder is received in the exhibition of extended cabin base plate links to each other, and is connected with pressure regulating valve between described solenoid directional control valve master oil-feed and the main return opening.
As preferably, described each one-way throttle valve is corresponding to connect a hydraulic lock.
As preferably, described solenoid directional control valve group is comprised of a slice two-position four-way solenoid directional control valve and five 3-position 4-way solenoid directional control valves, and five 3-position 4-way solenoid directional control valve exit end link to each other with balance cock.
As preferably, described the first check valve is connected in parallel with the second oil absorption filter, manual pump and the second check valve that link together after oil absorption filter connects with being connected.
In the utility model, described main cabin hoist cylinder, left extended cabin top board are opened up and are received oil cylinder, left extended cabin base plate is opened up and received oil cylinder, right extended cabin top board exhibition receipts oil cylinder, right extended cabin base plate exhibition receipts oil cylinder respectively by the solenoid directional control valve control of correspondence, and described fuel tank is provided with hydraulic oil heating device.
Beneficial effect: a kind of expansion type cabin hydraulic efficiency gear of the present utility model, owing to be provided with one-way throttle valve, can control the stretching speed of each oil cylinder, prevent from moving the too fast safety misadventure that causes; Owing to be provided with hydraulic lock, can carry out pressurize to oil cylinder, avoid letting out in each element or lost efficacy and cause that main cabin, extended cabin top board reclaim suddenly, the extended cabin base plate launches suddenly and has an accident; Owing to be provided with balance cock, can give balance to the gravity load that main cabin descends, the extended cabin top board reclaims, the extended cabin base plate launches, move more steady; Owing to be provided with the backup of propulsion source, improved the reliability of system works; Owing to be provided with hydraulic oil heating device, hydraulic efficiency pressure system can be moved under low temperature environment.The utility model is reasonable in design, and is safe and reliable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, a kind of expansion type cabin hydraulic efficiency gear of the present utility model, comprise motor 3, oil pump 2, solenoid directional control valve and the first check valve 7, motor 3 is connected with oil pump 2, oil pump 2 oil inlets link to each other with fuel tank 19 by the first oil absorption filter 1, oil pump 2 oil outlets are connected with the main oil inlet of solenoid directional control valve by the first check valve 7, the main return opening of solenoid directional control valve group links to each other with return filter 5, the solenoid directional control valve group is comprised of a slice two-position four-way solenoid directional control valve 9 and five 3-position 4-way solenoid directional control valves 10, the oil outlet of five 3-position 4-way solenoid directional control valves 10 is by balance cock 11, one-way throttle valve 12, hydraulic lock 13 respectively with main cabin hoist cylinder 14, oil cylinder 17 is received in the top board exhibition of extended cabin left side, oil cylinder 15 is received in the exhibition of extended cabin left-side bottom, oil cylinder 18 is received in the top board exhibition of extended cabin right side, the hydraulic fluid port that oil cylinder 16 is received in the base plate exhibition of extended cabin right side links to each other, main cabin hoist cylinder 14, oil cylinder 17 is received in left side top board exhibition, oil cylinder 15 is received in the left-side bottom exhibition, oil cylinder 18 is received in right side top board exhibition, right side base plate exhibition is received oil cylinder 16 and is controlled by the 3-position 4-way solenoid directional control valve 10 of correspondence respectively, fuel tank 19 is provided with hydraulic oil heating device 4, is connected with pressure regulating valve 8 between solenoid directional control valve master oil-feed and the main return opening
One-way throttle valve 12 and hydraulic lock 13 always occur in pairs, can control the exhibition of each oil cylinder and receive speed and required synchronization accuracy, prevent from moving the too fast safety misadventure that causes; And each oil cylinder can carry out pressurize, avoid letting out in each element or lost efficacy cause that main cabin, extended cabin top board reclaim suddenly, the suddenly expansion of extended cabin base plate, oil pipe burst and have an accident.
The solenoid directional control valve group is comprised of a slice two-position four-way solenoid directional control valve 9 and five 3-position 4-way solenoid directional control valves 10, and five 3-position 4-way solenoid directional control valve 10 exit end link to each other with balance cock 11, and the solenoid directional control valve group also can adopt manual control.Can give balance to the gravity load that main cabin descends, the extended cabin top board reclaims, the extended cabin base plate launches, make cylinder action more steady; It is in order to make pump directly off-load under light condition that two-position four-way solenoid directional control valve 9 is set; It is can control each cylinder action when losing efficacy in order to ensure electrical control that the solenoid directional control valve group arranges manual control.
Lifting four oil cylinders 14 in main cabin are by 3-position 4-way solenoid directional control valve 10 controls of correspondence, two exhibitions of left extended cabin top board are received oil cylinder 17 by 3-position 4-way solenoid directional control valve 10 controls of correspondence, two exhibitions of left extended cabin base plate are received oil cylinder 15 by 3-position 4-way solenoid directional control valve 10 controls of correspondence, two exhibitions of right extended cabin top board are received oil cylinder 18 by 3-position 4-way solenoid directional control valve 10 controls of correspondence, two exhibitions of right extended cabin base plate are received oil cylinder 16 by 3-position 4-way solenoid directional control valve 10 controls of correspondence, can guarantee that the oil cylinder that same plate valve is controlled can move simultaneously, avoid causing the cabin body to damage.
Be installed in parallel second oil absorption filter 20, manual pump 6, second check valve 21 between the first oil absorption filter 1 oil inlet and the first check valve 7 oil outlets as the backup of propulsion source, can guarantee when the propulsion source of motor 3 controls lost efficacy, can manually finish the expansion of lifting mode expanded shelter or extendable van and remove receipts, improve the reliability of system works.
Fuel tank 19 also can install hydraulic oil heating device 4 additional, can guarantee the work of hydraulic efficiency pressure system under cold environmental conditions
The above only is preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. expansion type cabin hydraulic efficiency gear, it is characterized in that: comprise motor (3), oil pump (2), solenoid directional control valve and the first check valve (7), described motor (3) is connected with oil pump (2), oil pump (2) oil inlet links to each other with fuel tank (19) by the first oil absorption filter (1), oil pump (2) oil outlet is connected with the main oil inlet of solenoid directional control valve by the first check valve (7), the main return opening of solenoid directional control valve group links to each other with return filter (5), the oil outlet of solenoid directional control valve is by balance cock (11), one-way throttle valve (12), hydraulic lock (13) respectively with main cabin hoist cylinder (14), oil cylinder (17) is received in the top board exhibition of extended cabin left side, oil cylinder (15) is received in the exhibition of extended cabin left-side bottom, oil cylinder (18) is received in the top board exhibition of extended cabin right side, the hydraulic fluid port that oil cylinder (16) is received in the base plate exhibition of extended cabin right side links to each other, and is connected with pressure regulating valve (8) between described solenoid directional control valve master oil-feed and the main return opening.
2. expansion type cabin hydraulic efficiency gear according to claim 1 is characterized in that: the corresponding hydraulic lock (13) that connects of described each one-way throttle valve (12).
3. expansion type cabin hydraulic efficiency gear according to claim 1, it is characterized in that: described solenoid directional control valve group is comprised of a slice two-position four-way solenoid directional control valve (9) and five 3-position 4-way solenoid directional control valves (10), and five 3-position 4-way solenoid directional control valves (10) exit end links to each other with balance cock (11).
4. expansion type cabin hydraulic efficiency gear according to claim 1 is characterized in that: described the first check valve (7) is connected in parallel with the second oil absorption filter, manual pump (6) and the second check valve (21) that link together after oil absorption filter (1) connects with being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202692520U CN202686064U (en) | 2012-06-07 | 2012-06-07 | Hydraulic device for expanded cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202692520U CN202686064U (en) | 2012-06-07 | 2012-06-07 | Hydraulic device for expanded cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202686064U true CN202686064U (en) | 2013-01-23 |
Family
ID=47541725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202692520U Expired - Fee Related CN202686064U (en) | 2012-06-07 | 2012-06-07 | Hydraulic device for expanded cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202686064U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899582A (en) * | 2014-04-03 | 2014-07-02 | 乳山市日晟机械制造有限公司 | 'One-control-all' automatic control device |
| CN105275898A (en) * | 2015-11-28 | 2016-01-27 | 贵州航天特种车有限责任公司 | Hydraulic system for four-plate-linkage double-sided expandable shelter |
| CN105402181A (en) * | 2015-09-24 | 2016-03-16 | 北京天地玛珂电液控制系统有限公司 | Hydraulic system of hydraulic self-moving type movable transformer train |
| CN106609780A (en) * | 2015-10-23 | 2017-05-03 | 赵慧霞 | Single-oil-way double control hydraulic system |
| CN111140560A (en) * | 2020-01-15 | 2020-05-12 | 天津市中重科技工程有限公司 | Hydraulic control system of horizontal sucker transverse moving hydraulic motor device for stacking |
| WO2021248920A1 (en) * | 2020-06-12 | 2021-12-16 | 王志春 | Single and double-decker variable recreational vehicle |
| CN115217813A (en) * | 2022-09-19 | 2022-10-21 | 江苏恒立液压科技有限公司 | Leveling hydraulic system, hydraulic underwater leveling device and leveling control method |
-
2012
- 2012-06-07 CN CN2012202692520U patent/CN202686064U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899582A (en) * | 2014-04-03 | 2014-07-02 | 乳山市日晟机械制造有限公司 | 'One-control-all' automatic control device |
| CN105402181A (en) * | 2015-09-24 | 2016-03-16 | 北京天地玛珂电液控制系统有限公司 | Hydraulic system of hydraulic self-moving type movable transformer train |
| CN105402181B (en) * | 2015-09-24 | 2017-12-26 | 北京天地玛珂电液控制系统有限公司 | A kind of hydraulic pressure automatic moving type moves changing train hydraulic system |
| CN106609780A (en) * | 2015-10-23 | 2017-05-03 | 赵慧霞 | Single-oil-way double control hydraulic system |
| CN105275898A (en) * | 2015-11-28 | 2016-01-27 | 贵州航天特种车有限责任公司 | Hydraulic system for four-plate-linkage double-sided expandable shelter |
| CN111140560A (en) * | 2020-01-15 | 2020-05-12 | 天津市中重科技工程有限公司 | Hydraulic control system of horizontal sucker transverse moving hydraulic motor device for stacking |
| WO2021248920A1 (en) * | 2020-06-12 | 2021-12-16 | 王志春 | Single and double-decker variable recreational vehicle |
| CN115217813A (en) * | 2022-09-19 | 2022-10-21 | 江苏恒立液压科技有限公司 | Leveling hydraulic system, hydraulic underwater leveling device and leveling control method |
| CN115217813B (en) * | 2022-09-19 | 2023-02-21 | 江苏恒立液压科技有限公司 | Leveling hydraulic system, hydraulic underwater leveling device and leveling control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150607 |
|
| EXPY | Termination of patent right or utility model |