CN104265718A - Novel hand pilot valve with floating function - Google Patents
Novel hand pilot valve with floating function Download PDFInfo
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- CN104265718A CN104265718A CN201410509600.0A CN201410509600A CN104265718A CN 104265718 A CN104265718 A CN 104265718A CN 201410509600 A CN201410509600 A CN 201410509600A CN 104265718 A CN104265718 A CN 104265718A
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- valve
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- novel hand
- oil inlet
- proportional pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
Abstract
The invention discloses a novel hand pilot valve with a floating function. The novel hand pilot valve comprises a cross handle, a valve body, four proportional pressure reducing valves, a reversing valve and an electromagnetic positioning mechanism, an oil inlet hole P, an oil return hole T, a control port C and four pressure output holes M are formed in the valve body, an oil inlet hole A, an oil return hole A and a pressure output hole A are formed in each proportional pressure reducing valve, an oil inlet B, a control port B and a load sensing port are formed in the reversing valve, an oil inlet A and the oil inlet B are respectively communicated with the oil inlet hole P, an oil outlet B is communicated with the oil return hole A, the control port B is communicated with the control port C, the pressure output holes A are communicated with the pressure output holes M, and the load sensing port is communicated with an oil inlet B of one proportional pressure reducing valve. The novel hand pilot valve has the advantages that hydraulic pressure is proportionally outputted by the aid of the four proportional pressure reducing valves, reversing is controlled by the aid of the reversing valve, the floating function of a multi-way valve is controlled, and the novel hand pilot valve is simple in structure and convenient to use.
Description
Technical field
The present invention relates to the Novel hand pilot valve with float function, belong to field of mechanical technique.
Background technique
Pilot valve is widely used in Modern hydraulic equipment, can be arranged on armrest or on console, and armrest moves and the ratio telecontrol of pedal control for multi-way valve, pump, motor etc., is for handling other valves or element and the Auxiliary valves used.In actual using process, bulldozer or loader need the operation realizing multichannel when bulldozing, and namely need bulldozer or loader to have float function, the pilot valve with float function is expensive, process for machining and manufacturing is loaded down with trivial details, and current most pilot valve can not realize float function.
Summary of the invention
The object of the present invention is to provide the Novel hand pilot valve with float function, overcome the deficiencies in the prior art, the float function of manipulator can be realized, carry out multiplexed operation.
The object of the invention is to be achieved through the following technical solutions: the Novel hand pilot valve with float function, it comprises cross handle, valve body, it also comprises four proportional pressure-reducing valves, selector valve and electromagnetic location mechanism, electromagnetic location mechanism is fixed on bottom cross handle and cross handle is connected with valve body by electromagnetic location mechanism, mounting plate is provided with between electromagnetic location mechanism and valve body, valve body is arranged on the downside of mounting plate, four proportional pressure-reducing valves and a selector valve is provided with in described valve body, valve body is provided with oil inlet hole P, spill port T, control mouth C and four Output pressure hole M, proportional pressure-reducing valve is provided with oil inlet hole A, spill port A and Output pressure hole A, selector valve is provided with filler opening B, control mouth B and load-sensing mouth, wherein, filler opening A is communicated with oil inlet hole P respectively with filler opening B, oil outlet B is communicated with spill port A, control mouth B to be communicated with control mouth C, Output pressure hole A is communicated with Output pressure hole M, load-sensing mouth is communicated with the oil outlet B of one of them proportional pressure-reducing valve.
On described cross handle, cover has dirt-proof boot.
Described proportional pressure-reducing valve assembles by controlling spool, pressure adjusting spring, return spring, slide bar, cover and spring seat.
The top of described electromagnetic location mechanism is outside equipped with adjustable cap, and the slide bar of proportional pressure-reducing valve and adjustable cap against.
Described selector valve is 2/2-way valve or two-position three-way valve.
Beneficial effect of the present invention is: by four proportional pressure-reducing valves, hydraulic pressure is exported in proportion, utilizes selector valve to control commutation simultaneously, achieves the float function controlling multi-way valve, and have structure feature simple, easy to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is worm's eye view of the present invention;
Fig. 3 is functional schematic one of the present invention;
Fig. 4 is functional schematic two of the present invention.
Wherein, 1-cross handle, 2-dirt-proof boot, 3-valve body, 4-proportional pressure-reducing valve, 5-selector valve, 6-electromagnetic location mechanism, 7-mounting plate, 8-adjustable cap.
Embodiment
Technological scheme of the present invention is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As Fig. 1, Fig. 2, there is the Novel hand pilot valve of float function, it comprises cross handle 1, valve body 3, it also comprises four proportional pressure-reducing valves 4, selector valve 5 and electromagnetic location mechanism 6, electromagnetic location mechanism 6 is fixed on bottom cross handle 1 and cross handle 1 is connected with valve body 3 by electromagnetic location mechanism 6, mounting plate 7 is provided with between electromagnetic location mechanism 6 and valve body 3, valve body 3 is arranged on the downside of mounting plate 7, four proportional pressure-reducing valves 4 and a selector valve 5 is provided with in described valve body 3, valve body 3 is provided with oil inlet hole P, spill port T, control mouth C and four Output pressure hole M, four Output pressure holes are respectively Ma, Mb, Mc, Md, proportional pressure-reducing valve 4 is provided with oil inlet hole A, spill port A and Output pressure hole A, selector valve 5 is provided with filler opening B, control mouth B and load-sensing mouth, wherein, filler opening A is communicated with oil inlet hole P respectively with filler opening B, oil outlet B is communicated with spill port A, control mouth B to be communicated with control mouth C, Output pressure hole A is communicated with Output pressure hole M, load-sensing mouth is communicated with the oil outlet B of one of them proportional pressure-reducing valve 4.
On described cross handle 1, cover has dirt-proof boot 2.
Described proportional pressure-reducing valve assembles by controlling spool, pressure adjusting spring, return spring, slide bar, cover and spring seat.
The top of described electromagnetic location mechanism is outside equipped with adjustable cap 8, and the slide bar of proportional pressure-reducing valve 4 and adjustable cap 8 against.
As Fig. 3, described selector valve 5 is 2/2-way valve; As Fig. 4, described selector valve 5 is two-position three-way valve.The cross handle that the present invention is equipped with, can be arranged on armrest or on console, operate by manual manipulation, its initial force handled is less than 20N, by four proportional pressure-reducing valves, hydraulic pressure is exported in proportion, utilize selector valve to control commutation simultaneously, achieve the float function controlling multi-way valve, and there is electromagnetic location mechanism, can in positioned at arbitrary angles.When proportional pressure-reducing valve incoming pressure is 3-5MPa, the pressure range that the angular dimension ratio with operator exports is generally 0.6-1.9MPa, and this scope also can need to set up separately according to user.Particularly the reduction of its operation resistance, makes operation be more prone to, is not easy fatigue.
Claims (5)
1. there is the Novel hand pilot valve of float function, it comprises cross handle (1), valve body (3), it is characterized in that: it also comprises four proportional pressure-reducing valves (4), selector valve (5) and electromagnetic location mechanism (6), electromagnetic location mechanism (6) is fixed on cross handle (1) bottom and cross handle (1) is connected with valve body (3) by electromagnetic location mechanism (6), mounting plate (7) is provided with between electromagnetic location mechanism (6) and valve body (3), valve body (3) is arranged on the downside of mounting plate (7), four proportional pressure-reducing valves (4) and a selector valve (5) is provided with in described valve body (3), (3) are provided with oil inlet hole P to valve body, spill port T, control mouth C and four Output pressure hole M, (4) are provided with oil inlet hole A to proportional pressure-reducing valve, spill port A and Output pressure hole A, (5) are provided with filler opening B with selector valve, control mouth B and load-sensing mouth, wherein, filler opening A is communicated with oil inlet hole P respectively with filler opening B, oil outlet B is communicated with spill port A, control mouth B to be communicated with control mouth C, Output pressure hole A is communicated with Output pressure hole M, load-sensing mouth is communicated with the oil outlet B of one of them proportional pressure-reducing valve (4).
2. the Novel hand pilot valve with float function according to claim 1, is characterized in that: the upper cover of described cross handle (1) has dirt-proof boot (2).
3. the Novel hand pilot valve with float function according to claim 1, is characterized in that: described proportional pressure-reducing valve assembles by controlling spool, pressure adjusting spring, return spring, slide bar, cover and spring seat.
4. the Novel hand pilot valve with float function according to claim 1, it is characterized in that: the top of described electromagnetic location mechanism is outside equipped with adjustable cap (8), and the slide bar of proportional pressure-reducing valve (4) and adjustable cap (8) against.
5. the Novel hand pilot valve with float function according to claim 1, is characterized in that: described selector valve (5) is 2/2-way valve or two-position three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410509600.0A CN104265718B (en) | 2014-09-28 | 2014-09-28 | There is the handle pilot valve of float function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410509600.0A CN104265718B (en) | 2014-09-28 | 2014-09-28 | There is the handle pilot valve of float function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265718A true CN104265718A (en) | 2015-01-07 |
| CN104265718B CN104265718B (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410509600.0A Active CN104265718B (en) | 2014-09-28 | 2014-09-28 | There is the handle pilot valve of float function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104265718B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425897A (en) * | 2015-11-20 | 2016-03-23 | 宁波弗莱格液压有限公司 | Electromagnetic positioning handle |
| CN106106030A (en) * | 2016-08-17 | 2016-11-16 | 恒天九五重工有限公司 | A kind of tree mover of Hydraulic guide control |
| CN107237922A (en) * | 2017-05-14 | 2017-10-10 | 广东庭嘉液压科技有限公司 | A kind of pilot valve centring sleeve and its process |
| CN110005651A (en) * | 2018-11-07 | 2019-07-12 | 柳工常州机械有限公司 | A kind of handle pilot valve for bull-dozer and the bull-dozer with it |
| CN110486344A (en) * | 2019-08-01 | 2019-11-22 | 烟台中宇航空液压有限公司 | Integral single valve-stem high-pressure multi-way directional block valve |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10246342A (en) * | 1997-03-06 | 1998-09-14 | Kawasaki Heavy Ind Ltd | Pilot valve |
| CN201232779Y (en) * | 2008-07-17 | 2009-05-06 | 贵州枫阳液压有限责任公司 | Manual pilot valve |
| CN201575227U (en) * | 2009-12-15 | 2010-09-08 | 青岛凯锐斯通液压机械有限公司 | Hand-operated pilot valve |
| CN202149251U (en) * | 2011-06-27 | 2012-02-22 | 浙江苏强格液压股份有限公司 | Hand pilot valve |
| KR20120054680A (en) * | 2010-11-20 | 2012-05-31 | 두산산업차량 주식회사 | Steering load sensing system for a heavy equipment |
| CN202945636U (en) * | 2012-12-04 | 2013-05-22 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic system of loading machine with floating function |
| CN203412830U (en) * | 2013-03-25 | 2014-01-29 | 安徽金达利液压有限公司 | Hand-operated pilot valve |
| CN203498889U (en) * | 2013-08-19 | 2014-03-26 | 北京安期生技术有限公司 | Movable arm floating device of underground carrier-scraper |
| CN203546779U (en) * | 2013-11-15 | 2014-04-16 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic system with quick floating-descending function for loader |
| CN104061196A (en) * | 2014-06-05 | 2014-09-24 | 安徽博一流体传动股份有限公司 | Novel hydraulic system for loader |
-
2014
- 2014-09-28 CN CN201410509600.0A patent/CN104265718B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10246342A (en) * | 1997-03-06 | 1998-09-14 | Kawasaki Heavy Ind Ltd | Pilot valve |
| CN201232779Y (en) * | 2008-07-17 | 2009-05-06 | 贵州枫阳液压有限责任公司 | Manual pilot valve |
| CN201575227U (en) * | 2009-12-15 | 2010-09-08 | 青岛凯锐斯通液压机械有限公司 | Hand-operated pilot valve |
| KR20120054680A (en) * | 2010-11-20 | 2012-05-31 | 두산산업차량 주식회사 | Steering load sensing system for a heavy equipment |
| CN202149251U (en) * | 2011-06-27 | 2012-02-22 | 浙江苏强格液压股份有限公司 | Hand pilot valve |
| CN202945636U (en) * | 2012-12-04 | 2013-05-22 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic system of loading machine with floating function |
| CN203412830U (en) * | 2013-03-25 | 2014-01-29 | 安徽金达利液压有限公司 | Hand-operated pilot valve |
| CN203498889U (en) * | 2013-08-19 | 2014-03-26 | 北京安期生技术有限公司 | Movable arm floating device of underground carrier-scraper |
| CN203546779U (en) * | 2013-11-15 | 2014-04-16 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic system with quick floating-descending function for loader |
| CN104061196A (en) * | 2014-06-05 | 2014-09-24 | 安徽博一流体传动股份有限公司 | Novel hydraulic system for loader |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425897A (en) * | 2015-11-20 | 2016-03-23 | 宁波弗莱格液压有限公司 | Electromagnetic positioning handle |
| CN106106030A (en) * | 2016-08-17 | 2016-11-16 | 恒天九五重工有限公司 | A kind of tree mover of Hydraulic guide control |
| CN107237922A (en) * | 2017-05-14 | 2017-10-10 | 广东庭嘉液压科技有限公司 | A kind of pilot valve centring sleeve and its process |
| CN110005651A (en) * | 2018-11-07 | 2019-07-12 | 柳工常州机械有限公司 | A kind of handle pilot valve for bull-dozer and the bull-dozer with it |
| CN110486344A (en) * | 2019-08-01 | 2019-11-22 | 烟台中宇航空液压有限公司 | Integral single valve-stem high-pressure multi-way directional block valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104265718B (en) | 2016-04-27 |
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Address after: 554202 Guizhou province Tongren City mountain tower of Ping Gan Chang Ba Industrial Park Applicant after: GUIZHOU HONGAN BRAKES TECHNOLOGY CO., LTD. Address before: Tongren City, Guizhou province Wanshan town 554200 Wanshan District Applicant before: WANSHAN SPECIAL ZONE HONG AN FRICTION MATERIAL CO., LTD. |
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