CN204985138U - Take sequence action valve of load feedback - Google Patents
Take sequence action valve of load feedback Download PDFInfo
- Publication number
- CN204985138U CN204985138U CN201520747400.9U CN201520747400U CN204985138U CN 204985138 U CN204985138 U CN 204985138U CN 201520747400 U CN201520747400 U CN 201520747400U CN 204985138 U CN204985138 U CN 204985138U
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- Prior art keywords
- valve
- interface
- cylinder
- spool
- oil cylinder
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- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract 8
- 239000003921 oil Substances 0.000 description 47
- 241000220324 Pyrus Species 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 235000021017 pears Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a take sequence action valve of load feedback, including the valve body, install the cylinder control valve that resets, upset cylinder control valve on the valve body, reset hydro -cylinder overflow valve and upset hydro -cylinder overflow valve, be equipped with oil inlet, oil return opening on the valve body, the hydro -cylinder that resets has pole chamber interface, the hydro -cylinder that resets not to have pole chamber interface, the upset hydro -cylinder has pole chamber interface and upset hydro -cylinder not to have pole chamber interface, the cylinder control valve that restores to the throne has first oil inlet, first oil return opening, an actuator port and the 2nd actuator port, upset cylinder control valve has second oil inlet, second oil return opening, the 3rd actuator port and fourth actuator port, and overturns the hydro -cylinder and do not have pole chamber interface and the hydro -cylinder that restores to the throne and have and be equipped with parallelly connected first check valve and sequence valve between the interface of pole chamber. The utility model discloses compact structure, small, that the installation is maintained is convenient, response speed is fast, the dependable performance, the whole mechanical normal work of turning over is guaranteed in the switching -over of realization turnover plow that can be smooth.
Description
Technical field
The utility model relates to agricultural valve technology field, particularly relate to a kind of for plough machinery sequentially-operating valve.
Background technique
Field is when cultivating, need to utilize instrument to turn over field, plough, then just can cultivate, the Chinese utility model patent that the patent No. is CN95215189.8, the applying date is 1995.06.30 discloses a kind of agricultural paddy field and to plough four-furrow plough, forms primarily of big frame, corner bracket, plow beam, gear and hydraulic pressure installation.
Now for the turning over of field, plough and complete primarily of farm machinery, several pivot plow is driven to plough by a tractor, speed is fast, and efficiency is high, but, when tractor drives the farming of several upset pears to field head time, tractor needs to turn, and changes a direction and carries out farming, and this time, upset pears also need to change a direction, and ability and tractor coordinate.
Model utility content
The purpose of this utility model is to provide the sequentially-operating valve of a kind of bringing onto load feedback, and its structure is simple, volume compact, installs and convenient disassembly, can realize the commutation of pivot plow smoothly, ensures the normal work of whole machinery of turning over.
In order to solve above technical problem, the technical solution of the utility model is as follows: a kind of sequentially-operating valve of bringing onto load feedback, comprise valve body, be arranged on drawback cylinder control valve on described valve body, overturning oil cylinder control valve, drawback cylinder relief valve and overturning oil cylinder relief valve, described valve body is provided with filler opening, return opening, drawback cylinder rod chamber interface, drawback cylinder rodless cavity interface, overturning oil cylinder rod chamber interface and overturning oil cylinder rodless cavity interface; Described drawback cylinder control valve have the first return opening that the first filler opening of communicating with described filler opening and described return opening communicate and the first actuator port that drawback cylinder rodless cavity interface communicates and and the second actuator port of communicating of described overturning oil cylinder control valve; Described overturning oil cylinder control valve have the second return opening that the second filler opening of communicating with described second actuator port and described return opening communicate and the 3rd actuator port that overturning oil cylinder rod chamber interface communicates and and the 4th actuator port that communicates of described overturning oil cylinder rodless cavity interface, and between described overturning oil cylinder rodless cavity interface and described drawback cylinder rod chamber interface, be provided with the first one-way valve in parallel and sequence valve.
As preferably, described drawback cylinder rod chamber interface and described drawback cylinder rodless cavity jointing are provided with double-action Pilot operated check valve.
As preferably, described overturning oil cylinder rodless cavity jointing is provided with Pilot operated check valve.
The outlet port of described drawback cylinder relief valve is provided with first throttle valve
As preferably, the outlet port of described overturning oil cylinder relief valve is provided with second throttle.
As preferably, described valve body is provided with import and is communicated with described second filler opening and exports the second one-way valve be communicated with described filler opening.
As preferably, described drawback cylinder control valve comprises the spool chamber be located on described valve body, the control spool be located in described spool chamber, the spring chamber being located at described control spool two ends, the Compress Spring be located in described spring chamber, the middle annular groove be located on described control spool, left end annular groove, right-hand member annular groove, be located in described left end annular groove and and the radial direction through hole that communicates of spring chamber and the sealing plug that is located at described spool chamber two ends.
As preferably, described overturning oil cylinder control valve comprises the spool installation cavity be located on described valve body, the spool be located in described spool installation cavity, the end spring chamber being located at described spool two ends, the end Compress Spring be located in described end spring chamber, the central ring oil groove be located on described spool, left end endless-oil groove, right-hand member endless-oil groove, be located in described left end oil ring groove and and the radial oil through that communicates of end spring chamber and the end part seal plug screw that is located at described spool installation cavity two ends.
The utility model compact structure, volume is little, convenient for installation and maintenance, fast response time, reliable performance, can realize the commutation of pivot plow smoothly, ensures the normal work of whole machinery of turning over.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the left view of Fig. 1;
Accompanying drawing 3 is the right elevation of Fig. 1;
Accompanying drawing 4 is the A-A sectional view in Fig. 1;
Accompanying drawing 5 is the B-B sectional view in Fig. 1;
Accompanying drawing 6 is hydraulic schematic diagram of the present utility model.
Embodiment
The following stated is only preferred embodiment of the present utility model, not limits scope of the present utility model.
Embodiment, see accompanying drawing 1,2,3,4,5, a kind of sequentially-operating valve of bringing onto load feedback, comprise valve body 1, be arranged on drawback cylinder control valve 2, overturning oil cylinder control valve 3, drawback cylinder relief valve 4 and overturning oil cylinder relief valve 5 on described valve body 1, valve body 1 is rectangular ironcasting, and described valve body 1 is provided with filler opening 101, return opening 102, drawback cylinder rod chamber interface 103, drawback cylinder rodless cavity interface 104, overturning oil cylinder rod chamber interface 105 and overturning oil cylinder rodless cavity interface 106, filler opening 101, return opening 102, drawback cylinder rod chamber interface 103, drawback cylinder rodless cavity interface 104, overturning oil cylinder rod chamber interface 105 and overturning oil cylinder rodless cavity interface 106 are tapped hole, and size is determined according to the actual requirements, described drawback cylinder control valve 2 have the first oil return inlet T 1 that the first oil inlet P 1 of communicating with described filler opening 101 and described return opening 102 communicate and the first actuator port A1 that drawback cylinder rodless cavity interface 104 communicates and and the second actuator port B1 of communicating of described overturning oil cylinder control valve (3), described overturning oil cylinder control valve 3 has the second oil inlet P 2 communicated with described second actuator port B1, with the second oil return inlet T 2 that described return opening 102 communicates, the 3rd actuator port A2 communicated with overturning oil cylinder rod chamber interface 105 and the 4th actuator port B2 communicated with described overturning oil cylinder rodless cavity interface 106, and between described overturning oil cylinder rodless cavity interface 106 and described drawback cylinder rod chamber interface 103, be provided with the first one-way valve 6 in parallel and sequence valve 7, what the first one-way valve 6 ensured that hydraulic oil can only be unidirectional flows to overturning oil cylinder rodless cavity interface 106 from drawback cylinder rod chamber interface 103, sequence valve 7 ensures when the pressure at overturning oil cylinder rodless cavity interface 106 place arrives predetermined time, sequence valve 7 is opened, hydraulic oil flows into drawback cylinder rod chamber interface 103 from overturning oil cylinder rodless cavity interface 106.
Further, described drawback cylinder rod chamber interface 103 and described drawback cylinder rodless cavity interface 104 place are provided with double-action Pilot operated check valve 8; Double-action Pilot operated check valve 8 can carry out pressurize to drawback cylinder rod chamber interface 103 and drawback cylinder rodless cavity interface 104 simultaneously; Double-action Pilot operated check valve 8 comprises guide piston, be located at the push rod at guide piston two ends, be located at the check valve body in described drawback cylinder rod chamber interface 103 and drawback cylinder rodless cavity interface 104, be located at the nonreturn valve core in check valve body, be screwed onto the throttling plug screw in check valve body and the spring between throttling plug screw and nonreturn valve core.
Described overturning oil cylinder rodless cavity interface 106 place is provided with Pilot operated check valve 9; Pilot operated check valve 9 is for the pressurize at overturning oil cylinder rodless cavity interface 106 place; Pilot operated check valve 9 hydraulic control piston, be located at the hydraulic control push rod on hydraulic control piston, be located at the check valve body in described overturning oil cylinder rodless cavity interface 106, be located at the nonreturn valve core in check valve body, be screwed onto the throttling plug screw in check valve body and the spring between throttling plug screw and nonreturn valve core.
Further, the outlet port of described drawback cylinder relief valve 4 is provided with first throttle valve 10; The outlet port of described overturning oil cylinder relief valve 5 is provided with second throttle 11; Described valve body 1 is provided with import and is communicated with described second oil inlet P 2 and exports the second one-way valve 12 be communicated with described filler opening 101.
In the present embodiment, described drawback cylinder control valve 2 comprise the spool chamber 201 be located on described valve body 1, the control spool 202 be located in described spool chamber 201, the spring chamber 203 being located at described control spool 202 two ends, the Compress Spring 204 be located in described spring chamber 203, the middle annular groove 205 be located on described control spool 202, left end annular groove 206, right-hand member annular groove 207, to be located in described left end annular groove 206 and and the radial direction through hole 208 that communicates of spring chamber 203 and the sealing plug 209 that is located at described spool chamber 201 two ends, described overturning oil cylinder control valve 3 comprises the spool installation cavity 301 be located on described valve body 1, be located at the spool 302 in described spool installation cavity 301, be located at the end spring chamber 303 at described spool 302 two ends, be located at the end Compress Spring 304 in described end spring chamber 303, be located at the central ring oil groove 305 on described spool 302, left end endless-oil groove 306, right-hand member endless-oil groove 307, to be located in described left end oil ring groove 306 and and the radial oil through 308 that communicates of end spring chamber 303 and the end part seal plug screw 309 that is located at described spool installation cavity 301 two ends.
Further, drawback cylinder relief valve 4, overturning oil cylinder relief valve 5 include: be located at the overflow valve pocket on valve body 1, be located at the relief valve plug screw of overflow valve pocket end, relief valve spool, relief valve spool is plugged on spring seat, spring seat Spielpassung is arranged in overflow valve pocket, and spring seat is provided with multiple tracks balancing slit; Relief valve spring one end acts on spring seat, and one end acts on the sliding seat that is located in described relief valve plug screw in addition, and relief valve plug screw is provided with the adjusting bolt contacted with described sliding seat and the tightening nut be located in adjusting bolt.
More than illustrate it is only to explanation of the present utility model, those of ordinary skill in the art's can completely is made to implement this programme, but be not to restriction of the present utility model, those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification, and these are all not creative amendments.As long as but be all subject to the protection of Patent Law in right of the present utility model.
Claims (8)
1. the sequentially-operating valve of a bringing onto load feedback, it is characterized in that: comprise valve body (1), be arranged on described valve body (1) upper drawback cylinder control valve (2), overturning oil cylinder control valve (3), drawback cylinder relief valve (4) and overturning oil cylinder relief valve (5), described valve body (1) is provided with filler opening (101), return opening (102), drawback cylinder rod chamber interface (103), drawback cylinder rodless cavity interface (104), overturning oil cylinder rod chamber interface (105) and overturning oil cylinder rodless cavity interface (106);
Described drawback cylinder control valve (2) have the first return opening (T1) that the first filler opening (P1) of communicating with described filler opening (101) and described return opening (102) communicate and the first actuator port (A1) that drawback cylinder rodless cavity interface (104) communicates and and the second actuator port (B1) of communicating of described overturning oil cylinder control valve (3); Described overturning oil cylinder control valve (3) have the second return opening (T2) that the second filler opening (P2) of communicating with described second actuator port (B1) and described return opening (102) communicate and the 3rd actuator port (A2) that overturning oil cylinder rod chamber interface (105) communicates and and the 4th actuator port (B2) that communicates of described overturning oil cylinder rodless cavity interface (106), and between described overturning oil cylinder rodless cavity interface (106) and described drawback cylinder rod chamber interface (103), be provided with the first one-way valve (6) and the sequence valve (7) of parallel connection.
2. the sequentially-operating valve of a kind of bringing onto load feedback according to claim 1, is characterized in that: described drawback cylinder rod chamber interface (103) and described drawback cylinder rodless cavity interface (104) place are provided with double-action Pilot operated check valve (8).
3. the sequentially-operating valve of a kind of bringing onto load feedback according to claim 1, is characterized in that: described overturning oil cylinder rodless cavity interface (106) place is provided with Pilot operated check valve (9).
4. the sequentially-operating valve of a kind of bringing onto load feedback according to claim 1, is characterized in that: the outlet port of described drawback cylinder relief valve (4) is provided with first throttle valve (10).
5. the sequentially-operating valve of a kind of bringing onto load feedback according to claim 1, is characterized in that: the outlet port of described overturning oil cylinder relief valve (5) is provided with second throttle (11).
6. the sequentially-operating valve that a kind of bringing onto load feeds back according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: described valve body (1) is provided with import and is communicated with described second filler opening (P2) and exports the second one-way valve (12) be communicated with described filler opening (101).
7. the sequentially-operating valve that a kind of bringing onto load feeds back according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described drawback cylinder control valve (2) comprises the spool chamber (201) be located on described valve body (1), be located at the control spool (202) in described spool chamber (201), be located at the spring chamber (203) at described control spool (202) two ends, be located at the Compress Spring (204) in described spring chamber (203), be located at the middle annular groove (205) on described control spool (202), left end annular groove (206), right-hand member annular groove (207), to be located in described left end annular groove (206) and and the radial direction through hole (208) that communicates of spring chamber (203) and the sealing plug (209) that is located at described spool chamber (201) two ends.
8. the sequentially-operating valve that a kind of bringing onto load feeds back according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described overturning oil cylinder control valve (3) comprises the spool installation cavity (301) be located on described valve body (1), be located at the spool (302) in described spool installation cavity (301), be located at the end spring chamber (303) at described spool (302) two ends, be located at the end Compress Spring (304) in described end spring chamber (303), be located at the central ring oil groove (305) on described spool (302), left end endless-oil groove (306), right-hand member endless-oil groove (307), to be located in described left end oil ring groove (306) and and end spring chamber (303) radial oil through (308) of communicating and the end part seal plug screw (309) that is located at described spool installation cavity (301) two ends.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520747400.9U CN204985138U (en) | 2015-09-25 | 2015-09-25 | Take sequence action valve of load feedback |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520747400.9U CN204985138U (en) | 2015-09-25 | 2015-09-25 | Take sequence action valve of load feedback |
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CN204985138U true CN204985138U (en) | 2016-01-20 |
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CN201520747400.9U Active CN204985138U (en) | 2015-09-25 | 2015-09-25 | Take sequence action valve of load feedback |
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Cited By (20)
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CN108488130A (en) * | 2018-05-18 | 2018-09-04 | 宁波真格液压科技有限公司 | A kind of control valve gear |
CN108488132A (en) * | 2018-05-18 | 2018-09-04 | 宁波真格液压科技有限公司 | A kind of twin-tub autocontrol valve |
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CN108591159A (en) * | 2018-05-18 | 2018-09-28 | 宁波真格液压科技有限公司 | A kind of autocontrol valve for pivot plow |
CN108591153A (en) * | 2018-05-18 | 2018-09-28 | 宁波真格液压科技有限公司 | A kind of multi-way valve |
CN108591154A (en) * | 2018-05-18 | 2018-09-28 | 宁波真格液压科技有限公司 | A kind of pivot plow automatically controls hydraulic valve |
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CN108626196A (en) * | 2018-05-18 | 2018-10-09 | 宁波真格液压科技有限公司 | A kind of fluid pressure valve device for double hydraulic cylinder sequentially-operating |
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CN108644417A (en) * | 2018-05-18 | 2018-10-12 | 宁波真格液压科技有限公司 | A kind of valve for twin-tub control |
CN108661973A (en) * | 2018-05-18 | 2018-10-16 | 宁波真格液压科技有限公司 | A kind of automatic turning control valve |
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CN108679022A (en) * | 2018-05-18 | 2018-10-19 | 宁波真格液压科技有限公司 | A kind of twin-tub control system |
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CN108488132A (en) * | 2018-05-18 | 2018-09-04 | 宁波真格液压科技有限公司 | A kind of twin-tub autocontrol valve |
CN108547814A (en) * | 2018-05-18 | 2018-09-18 | 宁波真格液压科技有限公司 | A kind of Multi-way valve device |
CN108591159A (en) * | 2018-05-18 | 2018-09-28 | 宁波真格液压科技有限公司 | A kind of autocontrol valve for pivot plow |
CN108591153A (en) * | 2018-05-18 | 2018-09-28 | 宁波真格液压科技有限公司 | A kind of multi-way valve |
CN108591154A (en) * | 2018-05-18 | 2018-09-28 | 宁波真格液压科技有限公司 | A kind of pivot plow automatically controls hydraulic valve |
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CN108591155B (en) * | 2018-05-18 | 2019-12-24 | 江苏南京白马现代农业高新技术产业园有限公司 | Multi-way reversing valve |
CN108612693B (en) * | 2018-05-18 | 2020-10-20 | 宁波真格液压科技有限公司 | Double-cylinder control system with multi-way valve device |
CN108612700B (en) * | 2018-05-18 | 2020-11-24 | 安徽仕烽油压科技有限公司 | Plug-in type turnover control valve |
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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: Zhejiang Hulian New Energy Industry Technology Service Co.,Ltd. Assignor: HUZHOU SHENGLI HYDRAULIC Co.,Ltd. Contract record no.: X2023330000890 Denomination of utility model: A sequential action valve with load feedback Granted publication date: 20160120 License type: Common License Record date: 20231208 |
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EE01 | Entry into force of recordation of patent licensing contract |