CN205243997U - Hydraulic pressure lock speed governing combination switching -over valve - Google Patents
Hydraulic pressure lock speed governing combination switching -over valve Download PDFInfo
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- CN205243997U CN205243997U CN201521064972.3U CN201521064972U CN205243997U CN 205243997 U CN205243997 U CN 205243997U CN 201521064972 U CN201521064972 U CN 201521064972U CN 205243997 U CN205243997 U CN 205243997U
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- oil
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- vestibule
- hydraulic
- speed governing
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- 239000003921 oil Substances 0.000 claims abstract description 105
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model belongs to the switching -over valve especially indicates a hydraulic pressure lock speed governing combination switching -over valve. Including running through in the hydraulic pressure lockhole chamber and the case vestibule of upper and lower of valve body and interval setting, push rod piston and speed governing check valve are set up separately to hydraulic pressure lockhole chamber middle part and both ends, and first, second oil -out on the valve body communicate with hydraulic pressure lockhole chamber through the trompil of speed governing check valve disk seat, the case vestibule is separated for first, second go out the oil pocket by the case, first, second oil feed chamber and oil return chamber, and the oil return chamber feeds through through return path, oil return opening intercommunication on oil return chamber and the valve body, first, second goes out the oil pocket respectively through hydraulic oil passageway and hydraulic pressure lockhole chamber intercommunication, first, second oil feed chamber and oil inlet intercommunication, the at least one end of case is connected with the power take off that actuating mechanism was controlled to manual control or gas. The utility model provides a loosely organized among the prior art, oil circuit arrange technical problem such as difficulty, have advantages such as compact structure, little, the easy realization manual control of hydraulic oil loss of pressure and automatic control.
Description
Technical field
The utility model belongs to reversal valve, refers to especially a kind of hydraulic lock speed governing combined directional valve.
Background technology
For realizing dumper keying control to car door in dress discharge process, need to be provided with locking device at car door place, in traditional dumper, conventionally adopt mechanical locking device to complete the keying of compartment door lock through Artificial Control, the technological deficiency that above-mentioned prior art exists is, car door causes junction bad sealing close because sealing dynamics is not enough, cause dumper in the time of liquid transport substrate material, half fluid materials or small particles material, easily to produce Seepage, not only material is caused to waste, and contaminated environment.
For addressing the above problem, along with the development of industry technology, current dumper adopts hydraulic way to realize the keying control to car door mostly, can solve preferably above-mentioned because of the poorly sealed close material leakage problems causing, at present mainly realize above-mentioned hydraulic control by being installed on the devices such as flow speed control valve, bidirectional hydraulic lock, reversal valve and overflow valve on vehicle chassis, the problem one that above-mentioned prior art exists is loosely organized complexity, takes up room greatly; The 2nd, cause the laying difficulty of oil circuit pipeline in the limitation that is subject to installing space and security protection; The 3rd, realize the reversal valve of chamber door control and need to connect with main oil way of hydraulic system, due to carriage lifting system and the shared large displacement oil pump of car door keying hydraulic control system, for the flow of coupling working connection, need to select the reversal valve of corresponding large latus rectum, then reduce flow to meet system needs by choke valve, build-up of pressure loss is large, easily raises because pressure damping causes greatly hydraulic oil oil temperature.
The patent No. is to disclose a kind of hydraulic lock combined type reversal valve in 201320199403.4 utility model patent, its primary structure adopts valve inner to be designed with the spool vestibule and the hydraulic lock vestibule that run through valve body, the hydraulic lock vestibule on top and the spool vestibule of bottom are presented down and are be arranged in parallel, and two vestibules are not only relatively independent but also interknit. Although realized preferably the effect of pressurize in the prior art by hydraulic lock, owing to being subject to the restriction of service condition, so the prior art can not solve existing problem in dumper hydraulic control preferably.
Utility model content
The utility model provides a kind of compact conformation, is convenient to realize two-way control, valve body is crossed the hydraulic lock speed governing combined directional valve that oil mass is larger.
Overall structure of the present utility model is:
Hydraulic lock speed governing combined directional valve, comprises through the hydraulic lock vestibule on valve body top and through the spool vestibule of valve body lower portion, hydraulic lock vestibule and spool vestibule are between the upper and lower every setting, and hydraulic lock vestibule middle part is provided with push-rod piston; Hydraulic lock vestibule two ends are respectively equipped with speed governing check valve, and the first oil-out, the perforate of the second oil-out on the valve seat of speed governing check valve that are opened on valve body are communicated with the hydraulic lock vestibule of push-rod piston both sides; Being snug fit at spool in spool vestibule is divided into successively from left to right first by it and goes out oil pocket, the first oil suction chamber, oil back chamber, the second oil suction chamber, second and go out oil pocket, symmetrical oil back chamber is communicated with through drainback passage, and oil back chamber is communicated with the oil return opening on valve body; First goes out oil pocket, second goes out oil pocket and is communicated with the hydraulic lock vestibule of push-rod piston both sides through hydraulic oil channel respectively, and the first oil suction chamber, the second oil suction chamber are communicated with oil-in; Spool at least one end is connected with the clutch end of manual driving mechanism or gas control driving mechanism.
Concrete structure of the present utility model is:
Preferred and comparatively common gas control driving mechanism comprises cylinder body, and cylinder head is matched with the gas piston in cylinder body, is arranged at the back-moving spring between gas piston and spool, and gas piston is fixedly connected with spool one end.
Manual driving mechanism belongs to routine techniques, and applicant no longer repeats its structure, and wherein comparatively preferred technical implementation way is that the joystick in described manual driving mechanism is connected with the spool other end by connection-core.
For effectively ensureing hydraulic oil oil temperature and the required hydraulic fluid pressure of chamber door opener, preferred technical implementation way is that described valve body is provided with the overflow valve being communicated with oil inlet passage.
The preferred technical pattern of speed governing check valve is as follows, comprise with body cavity and adopt the valve seat being threaded, speed adjustment screw and valve base cavity adopt chamber Screw assembly and by locking nut locking, tapering spool gap slidable fit in valve base cavity and with limit, hole, the rank interruption-forming taper sealing of valve seat perforate inner side.
The Main Function of described hydraulic oil channel is to be communicated with hydraulic lock vestibule and spool cavity, to realize the effect of the lower hydraulic oil of spool action to piston push rod and speed governing check valve, realize the control to the first oil-out, the second oil-out hydraulic oil turnover, preferred structural design is as follows, comprise and be communicated with the first the first hydraulic oil channel going out between the hydraulic lock vestibule in oil pocket and push-rod piston left side, be communicated with the second the second hydraulic oil channel going out between the hydraulic lock vestibule on oil pocket and push-rod piston right side.
For ease of being communicated with of oil suction chamber and oil-in, preferred structural design is that described the first oil suction chamber, the second oil suction chamber are communicated with oil-in by the oil inlet passage of offering on valve body.
The obtained technological progress of the utility model is:
1, the utility model adopts the structural design of overflow valve, has effectively ensured hydraulic oil oil temperature and the required hydraulic fluid pressure of chamber door opener, has avoided the distortion of chamber door opener under High Pressure.
2, because employing is built in hydraulic lock in valve body, meeting on the basis of existing hydraulic lock function, the compacter simplification of structure, takes up room little.
3, owing to adopting the two-way control mode of manual control and gas control driving mechanism, can convenient operation personnel realize Long-distance Control and automation control, under case of emergency, (in as uninstall process, needing artificial observation to control chamber door open amount) can also be by manually controlling.
4,, because above-mentioned driving mechanism adopts modularization assembly, the one that can match as required easily wherein realizes control separately.
5, valve body adopts distinctive hydraulic oil channel design, has effectively ensured larger mistake oil mass, reduces the pressure loss, does not affect the flow system flow matching.
6, the structural design of speed governing check valve has effectively realized the hydraulic fluid flow rate control that goes out oil pocket, second and go out oil pocket first, the ingenious part-structure of using bidirectional hydraulic lock in its structural design, simplify the structure and integrated degree high.
Brief description of the drawings
Accompanying drawing of the present utility model has:
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is that the A-A of Fig. 1 is to view.
1, joystick; 2, speed adjustment screw; 3, locking nut; 4, valve seat; 5, the first oil-out; 6, push-rod piston; 7, hydraulic lock vestibule; 8, the second oil-out; 9, tapering spool; 10, valve body; 11, cylinder body; 12, back-moving spring; 13, gas piston; 14, cylinder head; 15, connection-core; 16, the first hydraulic oil channel; 17, first goes out oil pocket; 18, the first oil suction chamber; 19, oil back chamber; 20, the second oil suction chamber; 21, second goes out oil pocket; 22, spool; 23, the second hydraulic oil channel; 24, oil return opening; 25, overflow valve; 26, oil-in; 27, oil inlet passage.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further; but conduct is not to restriction of the present utility model; the content that protection domain of the present utility model is recorded with claim is as the criterion; any equivalence techniques means of having done according to description are replaced, and all do not depart from protection domain of the present utility model.
The overall technology of the present embodiment is constructed as shown, comprises that hydraulic lock vestibule 7 is with spool vestibule between the upper and lower every setting through the hydraulic lock vestibule 7 on valve body 10 tops and through the spool vestibule of valve body 10 bottoms, and hydraulic lock vestibule 7 middle parts are provided with push-rod piston 6; Hydraulic lock vestibule 7 two ends are respectively equipped with speed governing check valve, and the first oil-out 5, the perforate of the second oil-out 8 on the valve seat 4 of speed governing check valve that are opened on valve body 10 are communicated with the hydraulic lock vestibule 7 of push-rod piston 6 both sides; Be snug fit at spool 22 in spool vestibule it is divided into from left to right successively first go out oil pocket 17, the first oil suction chamber 18, oil back chamber 19, the second oil suction chamber 20, second goes out oil pocket 21, symmetrical oil back chamber 19 is communicated with through drainback passage, and oil back chamber 19 is communicated with the oil return opening 24 on valve body 10; First goes out oil pocket 17, second goes out oil pocket 20 and is communicated with the hydraulic lock vestibule 7 of push-rod piston 6 both sides through hydraulic oil channel respectively, and the first oil suction chamber 18, the second oil suction chamber 20 are communicated with oil-in 27; Spool 22 two ends are connected with the clutch end of manual driving mechanism or gas control driving mechanism respectively.
Gas control driving mechanism comprises cylinder body 11, and cylinder head 14 is matched with the gas piston 13 in cylinder body 11, is arranged at the back-moving spring 12 between gas piston 13 and spool 22, and gas piston 13 is fixedly connected with spool 22 one end.
Joystick 1 in manual driving mechanism is connected with spool 22 other ends by connection-core 15.
Described valve body 10 is provided with the overflow valve 25 being communicated with oil inlet passage 26.
Speed governing check valve comprises with valve body 10 inner chambers and adopts the valve seat 4 being threaded, speed adjustment screw 2 adopts chamber Screw assemblies with valve seat 4 inner chambers and by locking nut 3 lockings, tapering spool 9 gap slidable fit in valve seat 4 inner chambers and with limit, hole, the rank interruption-forming taper sealing of valve seat 4 perforates inner sides.
Described hydraulic oil channel comprises and is communicated with the first the first hydraulic oil channel 16 going out between the hydraulic lock vestibule 7 in oil pocket 17 and push-rod piston 6 left sides, is communicated with the second the second hydraulic oil channel 23 going out between the hydraulic lock vestibule 7 on oil pocket 21 and push-rod piston 6 right sides.
Described the first oil suction chamber 18, the second oil suction chamber 20 are communicated with oil-in 27 by the oil inlet passage 26 of offering on valve body 10.
Below in conjunction with station, the operation principle of the present embodiment is described below:
1, car door is put in middle off-position
Hydraulic oil in main system oil circuit enters the first oil suction chamber 18, the second oil suction chamber 20 by oil-in 26 through oil inlet passage 27, and because the first oil suction chamber 18, the second oil suction chamber 20 are communicated with oil back chamber 19, hydraulic oil flows out through oil back chamber 19 and oil return opening 24. System oil-way is in unloading condition, under the effect of the back-moving spring in the first oil-out 5, the second oil-out 8 oil pressure and speed governing check valve, limit, hole, the rank interruption-forming taper sealing of tapering spool 9 and valve seat 4 perforates inner sides, hydraulic lock is in locking state, the first oil-out 5, the second oil-out 8 lock, therefore the oil cylinder of locking a door is in the lock state, and car door is in the lock state.
2, station one
Under the effect of manual driving mechanism or gas control driving mechanism, when spool 22 is moved to the left operating position, oil back chamber 19 and the first oil suction chamber 18, the second oil suction chamber 20 is in closed state, hydraulic oil is through the second oil suction chamber 20, the second hydraulic oil channel 23 enters in the hydraulic lock vestibule 7 on push-rod piston 6 right sides, be moved to the left at the pressure-acting lower piston push rod 6 of hydraulic oil the tapering spool 9 backing down in left side speed governing check valve, the first oil suction chamber 18 and the first oil-out 5 conductings, under the pressure-acting of hydraulic oil, back down the tapering spool 9 in right side speed governing check valve simultaneously, the second oil suction chamber 20 and the second oil-out 8 conductings, hydraulic oil enters a side cavity of the oil cylinder of locking a door, the cylinder action of locking a door. the hydraulic oil of oil cylinder opposite side of locking a door flows out oil return opening 24 through the first oil-out 5, the first hydraulic oil channel 16, first after going out oil pocket 17, oil back chamber 19, drainback passage.
3, station two
Under the effect of manual driving mechanism or gas control driving mechanism, when spool 22 moves right to operating position, the course of work of hydraulic oil and each mechanism is contrary with duty 1.
In the time that the pressure of hydraulic oil exceedes rated pressure, overflow valve 25 is opened, and hydraulic oil part flows out to ensure hydraulic oil oil temperature and the required hydraulic fluid pressure of chamber door opener.
Claims (7)
1. hydraulic lock speed governing combined directional valve, comprise through the hydraulic lock vestibule (7) on valve body (10) top and through the spool vestibule of valve body (10) bottom, hydraulic lock vestibule (7) is with spool vestibule between the upper and lower every setting, and hydraulic lock vestibule (7) middle part is provided with push-rod piston (6); It is characterized in that hydraulic lock vestibule (7) two ends are respectively equipped with speed governing check valve, the first oil-out (5), the perforate of the second oil-out (8) on the valve seat (4) of speed governing check valve that are opened on valve body (10) are communicated with the hydraulic lock vestibule (7) of push-rod piston (6) both sides; Being snug fit at spool (22) in spool vestibule is divided into successively from left to right first by it and goes out oil pocket (17), the first oil suction chamber (18), oil back chamber (19), the second oil suction chamber (20), second and go out oil pocket (21), symmetrical oil back chamber (19) is communicated with through drainback passage, and oil back chamber (19) is communicated with the oil return opening (24) on valve body (10); First goes out oil pocket (17), second goes out oil pocket (20) and is communicated with the hydraulic lock vestibule (7) of push-rod piston (6) both sides through hydraulic oil channel respectively, and the first oil suction chamber (18), the second oil suction chamber (20) are communicated with oil-in (27); Spool (22) at least one end is connected with the clutch end of manual driving mechanism or gas control driving mechanism.
2. hydraulic lock speed governing combined directional valve according to claim 1, it is characterized in that described gas control driving mechanism comprises cylinder body (11), cylinder head (14), be matched with the gas piston (13) in cylinder body (11), be arranged at the back-moving spring (12) between gas piston (13) and spool (22), gas piston (13) is fixedly connected with spool (22) one end.
3. according to the hydraulic lock speed governing combined directional valve described in any one in claim 1 or 2, it is characterized in that the joystick (1) in described manual driving mechanism is connected with spool (22) other end by connection-core (15).
4. hydraulic lock speed governing combined directional valve according to claim 1, is characterized in that described valve body (10) is provided with the overflow valve (25) being communicated with oil inlet passage (26).
5. hydraulic lock speed governing combined directional valve according to claim 1, it is characterized in that described speed governing check valve comprises with valve body (10) inner chamber adopts the valve seat (4) being threaded, speed adjustment screw (2) and valve seat (4) inner chamber adopt chamber Screw assembly and by locking nut (3) locking, tapering spool (9) gap slidable fit in valve seat (4) inner chamber and with limit, hole, the rank interruption-forming taper sealing of valve seat (4) perforate inner side.
6. hydraulic lock speed governing combined directional valve according to claim 1, it is characterized in that described hydraulic oil channel comprises is communicated with the first the first hydraulic oil channel (16) going out between the hydraulic lock vestibule (7) in oil pocket (17) and push-rod piston (6) left side, is communicated with the second the second hydraulic oil channel (23) going out between the hydraulic lock vestibule (7) on oil pocket (21) and push-rod piston (6) right side.
7. hydraulic lock speed governing combined directional valve according to claim 1, is characterized in that described the first oil suction chamber (18), the second oil suction chamber (20) are communicated with oil-in (27) by the oil inlet passage (26) of offering on valve body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064972.3U CN205243997U (en) | 2015-12-18 | 2015-12-18 | Hydraulic pressure lock speed governing combination switching -over valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064972.3U CN205243997U (en) | 2015-12-18 | 2015-12-18 | Hydraulic pressure lock speed governing combination switching -over valve |
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| Publication Number | Publication Date |
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| CN205243997U true CN205243997U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521064972.3U Active CN205243997U (en) | 2015-12-18 | 2015-12-18 | Hydraulic pressure lock speed governing combination switching -over valve |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382273A (en) * | 2016-11-08 | 2017-02-08 | 合肥协力液压科技有限公司 | Reversing valve integrated with hydraulic control locks |
| CN106439109A (en) * | 2016-11-08 | 2017-02-22 | 合肥协力液压科技有限公司 | Electromagnetic direct-push type reversing valve |
| CN106438538A (en) * | 2016-07-11 | 2017-02-22 | 润琛液压机械南通有限公司 | Hydraulic valve for caterpillar band harvester |
| CN106979362A (en) * | 2017-04-21 | 2017-07-25 | 浙江亿日气动科技有限公司 | The Pneumatic reversal valve of automatic compensation air pressure |
| CN108591160A (en) * | 2018-05-18 | 2018-09-28 | 宁波真格液压科技有限公司 | A kind of hydraulic valve for agricultural machinery |
| CN110499987A (en) * | 2019-09-24 | 2019-11-26 | 河北斯弗液压机械技术有限公司 | A kind of hydraulic well lid anti-pinch people lock |
| CN111022435A (en) * | 2019-12-25 | 2020-04-17 | 中航工业南京伺服控制系统有限公司 | Reversing hydraulic insurance |
-
2015
- 2015-12-18 CN CN201521064972.3U patent/CN205243997U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438538A (en) * | 2016-07-11 | 2017-02-22 | 润琛液压机械南通有限公司 | Hydraulic valve for caterpillar band harvester |
| CN106382273A (en) * | 2016-11-08 | 2017-02-08 | 合肥协力液压科技有限公司 | Reversing valve integrated with hydraulic control locks |
| CN106439109A (en) * | 2016-11-08 | 2017-02-22 | 合肥协力液压科技有限公司 | Electromagnetic direct-push type reversing valve |
| CN106979362A (en) * | 2017-04-21 | 2017-07-25 | 浙江亿日气动科技有限公司 | The Pneumatic reversal valve of automatic compensation air pressure |
| CN108591160A (en) * | 2018-05-18 | 2018-09-28 | 宁波真格液压科技有限公司 | A kind of hydraulic valve for agricultural machinery |
| CN110499987A (en) * | 2019-09-24 | 2019-11-26 | 河北斯弗液压机械技术有限公司 | A kind of hydraulic well lid anti-pinch people lock |
| CN111022435A (en) * | 2019-12-25 | 2020-04-17 | 中航工业南京伺服控制系统有限公司 | Reversing hydraulic insurance |
| CN111022435B (en) * | 2019-12-25 | 2022-06-21 | 中航工业南京伺服控制系统有限公司 | Reversing hydraulic insurance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Huachun Hydraulic Auto Parts Co. Ltd. Assignor: Huang Peihua Contract record no.: 2016130000016 Denomination of utility model: Hydraulic pressure lock speed governing combination switching -over valve Granted publication date: 20160518 License type: Exclusive License Record date: 20160822 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170228 Address after: 054901 Xingtai city of Hebei province Linxi County Xiang Lao Guan Zhuang Cun black Patentee after: Hebei Huachun Hydraulic Auto Parts Co. Ltd. Address before: Xingtai City, Hebei Province, Hexi Town, 054901 west of Linxi County, 2 kilometers south of Hebei Hua Chun Hydraulic Auto Parts Co. Ltd. Patentee before: Huang Peihua |