CN106969007B - Explosion-proof emergent Releasing loop - Google Patents
Explosion-proof emergent Releasing loop Download PDFInfo
- Publication number
- CN106969007B CN106969007B CN201710360234.0A CN201710360234A CN106969007B CN 106969007 B CN106969007 B CN 106969007B CN 201710360234 A CN201710360234 A CN 201710360234A CN 106969007 B CN106969007 B CN 106969007B
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- China
- Prior art keywords
- valve body
- main channel
- cavity
- spool
- service aisle
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Classifications
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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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- 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
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses explosion-proof emergent Releasing loop, belongs to HYDRAULIC CONTROL SYSTEM circuit technology field.It includes valve body, the valve body is equipped with along valve body left and right directions and through the main channel of valve body, the spool being slidably and sealingly connected with it is equipped with the middle part of main channel, main channel left end is equipped with the silk plug being tightly connected with it, and main channel right end carries out thread seal with explosion prevention electromagnet and is connected；Valve body above main channel is equipped with the drainback passage set along valve body above-below direction, the service aisle I and service aisle II set along valve body above-below direction is additionally provided with valve body below main channel, dead electricity and the pressure release that obtains electric i.e. controllable oil circuit and normal working status of the present invention using explosion prevention electromagnet, suitable for the occasion for having an inflammable and explosive environment and certain operations personnel are inconvenient to enter or operate, it is simple in structure, it is easily manufactured.
Description
Technical field
The present invention relates to HYDRAULIC CONTROL SYSTEM circuit technology field, what is used in especially a kind of hydraulic system is explosion-proof emergent
Releasing loop.
Background technology
At present, in hydraulic system, when some need to carry out emergency maintenance or handle accident, often released using emergent
Putting back to road makes progress emergency processing emergency situations after hydraulic actuating mechanism returning quickly.Since emergent Releasing loop has noise
The features such as small, simple in structure, so being widely used.Existing emergent Releasing loop under some specific application and environments,
Such as in the case where having an inflammable and explosive environment and certain operations personnel being inconvenient to reach or operate, extremely inconvenience is, it is necessary to use
Specific instrument or a few people assist that emergency maintenance could be completed at the same time or handle the processing of accident, not only waste of manpower, but also wave
It is time-consuming, and insecurity is easily brought, bring hidden danger to normal emergency processing.
The content of the invention
The purpose of the present invention is exactly the shortcomings that overcoming the prior art, there is provided a kind of explosion-proof emergent Releasing loop, it utilizes anti-
The dead electricity of quick-fried electromagnet with it is electric come control the pressure of oil circuit release with normal working status, suitable for there is inflammable and explosive ring
The occasion that border and certain operations personnel are inconvenient to enter or operate, it is simple in structure, it is easily manufactured.
To achieve the above object, the present invention adopts the following technical scheme that：Explosion-proof emergent Releasing loop, including valve body, it is described
Valve body is equipped with along valve body left and right directions and the valve being slidably and sealingly connected with it is equipped with the middle part of the main channel of valve body, main channel
Core, main channel left end are equipped with the silk plug being tightly connected with it, and main channel right end carries out thread seal with explosion prevention electromagnet and is connected；
Spool left end is equipped with axial hole, and spool right end is in contact with the push rod inside explosion prevention electromagnet, and axial hole right part is set
There is the radial hole of connection axial hole and primary channel wall, the outer surface of radial hole left side spool is equipped with groove, groove and main channel
Inner wall forms cavity II, and the main channel between spool and silk plug forms cavity I, and the pressure of connection silk plug and spool is equipped with cavity I
Contracting spring；
Valve body above main channel is equipped with the drainback passage set along valve body above-below direction, drainback passage one end and cavity
I is connected, and the other end is connected by pipeline with fuel tank, is additionally provided with along valve body above-below direction and sets on the valve body below main channel
Service aisle I and service aisle II；
When oil circuit works normally, explosion prevention electromagnet is power failure state, I one end of service aisle and the spool on the left of cavity II
Outer surface contacts, and the other end is connected by pipeline with the rod chamber of oil cylinder, and II one end of service aisle is connected with cavity II, separately
One end is connected by the rodless cavity of pipeline oil cylinder；When oil circuit is in unloading condition, explosion prevention electromagnet for electricity condition, at this time
The active force that push rod promotes spool to overcome compression spring under the action of electromagnetic force is moved to the left, service aisle I and II phase of cavity
Connection, service aisle II are connected with cavity II and radial hole at the same time.
As a modification of the present invention, the valve body is oil path block, compact-sized.
The invention has the advantages that of the invention when hydraulic actuating mechanism needs return, Zhi Xushi explosion-proof electromagnetics Tie Tong
Electricity, makes service aisle I, service aisle II and fuel tank homogeneously intercommunicated, you can executing agency's return is realized, so that it is difficult to reduce operation
Degree, it is not only time saving and energy saving, but also the occasion suitable for having an inflammable and explosive environment and certain operations personnel be inconvenient to enter or operate, tie
Structure is simple, easily manufactured.
Brief description of the drawings
Fig. 1 is under normal operating conditions of the present invention（Explosion prevention electromagnet dead electricity）Structure diagram；
Fig. 2 is under the emergent release conditions of the present invention（Explosion prevention electromagnet obtains electric）Structure diagram.
1st, oil cylinder, 2, weight, 3, silk plug, 4, compression spring, 5, cavity I, 6, drainback passage, 7, fuel tank, 8, cavity II, 9,
Explosion prevention electromagnet, 91, push rod, 10, spool, 101, axial hole, 102, radial hole, 11, service aisle II, 12, service aisle I,
13rd, valve body.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
It should be noted that the orientation term such as left, center, right in truth example of the present invention, upper and lower, is only relatively general each other
Read or using the normal operating condition of product as reference, and should not be regarded as restrictive.
In Fig. 1, explosion-proof emergent Releasing loop, it is mainly made of valve body 13 and explosion prevention electromagnet 9, and valve body 13 is equipped with
The spool 10 being slidably and sealingly connected with it is equipped with along 13 left and right directions of valve body and in the middle part of the main channel of valve body 13, main channel,
Main channel left end is equipped with the silk plug 3 being tightly connected with it, and main channel right end carries out thread seal with explosion prevention electromagnet 9 and is connected；Valve
10 left end of core is equipped with axial hole 101, and 10 right end of spool is in contact with the push rod 91 inside explosion prevention electromagnet 9,101 right part of axial hole
Radial hole 102 equipped with connection axial hole 101 and primary channel wall, the outer surface of 102 left side spool 10 of radial hole are equipped with groove,
Groove forms cavity II 8 with main channel inner wall, and the main channel between spool 10 and silk plug 3 forms cavity I 5, is equipped with cavity I 5
Connect the compression spring 4 of silk plug 3 and spool 10；Valve body 13 above main channel is equipped with along what 13 above-below direction of valve body was set and returns
Oily passage 6,6 one end of drainback passage are connected with cavity I 5, and the other end is connected by pipeline with fuel tank 7；Below main channel
The service aisle I 12 and service aisle II 11 set along 13 above-below direction of valve body is additionally provided with valve body 13, when oil circuit works normally
When, explosion prevention electromagnet 9 is power failure state, and at this time, spool 13 is located at right end under spring force, in normal condition, work
10 outer surface of spool for making I 12 one end of passage with the left side of cavity II 8 contacts, and at this time, service aisle I 12 is blocked up by 10 outer surface of spool
Extremely, I 12 other end of service aisle is connected by pipeline with the rod chamber of oil cylinder 1, II 11 one end of service aisle and II 8 phase of cavity
Connection, the other end is connected by pipeline with the rodless cavity of oil cylinder 1, under this working status, service aisle I 12, service aisle
II 11 do not connect mutually with drainback passage 6.
In fig. 2, when the present invention needs emergent release, explosion prevention electromagnet 9 obtains electric, effect of the push rod 91 in electromagnetic force at this time
The lower active force for promoting spool 10 to overcome compression spring 4 is moved to the left, and spool 10 is located at left end, service aisle I 12 and cavity
II 8 are connected, and service aisle II 11 is connected with cavity II 8 and radial hole 102 at the same time, realizes radial hole 102 and cavity II 8
It is connected by service aisle II 11, at this time, service aisle I 12, service aisle II 11 are connected by cavity II 8, and work is logical
Road II 11 passes sequentially through radial hole 102, axial hole 101 and drainback passage 6 and is connected with fuel tank 7, and oil circuit is in unloading condition, real
Existing pressure release is allowed to be returned to original state, and oil cylinder 1 resets under the action of weight 2.
To make whole hydraulic system structure compact, valve body 13 can be oil path block, and the present invention is obtained by explosion prevention electromagnet 9
Electricity controls the release of the pressure of oil circuit and normal working status with dead electricity, suitable for having inflammable and explosive environment and certain operations
The occasion that personnel are inconvenient to enter or operate, it is simple in structure, it is easily manufactured.
The present embodiment is only presently preferred embodiments of the present invention, and not the shape to the present invention, structure etc. make any shape
Limitation in formula, any simply modification, the equivalent variations that every technical spirit according to the present invention makees above example,
Belong to the protection domain of technical solution of the present invention.
Claims (2)
1. explosion-proof emergent Releasing loop, including valve body, it is characterised in that：The valve body is equipped with along valve body left and right directions and runs through
The main channel of valve body, main channel middle part are equipped with the spool being slidably and sealingly connected with it, and main channel left end is equipped with and is tightly connected with it
Silk plug, main channel right end and explosion prevention electromagnet carry out thread seal and are connected；
Spool left end is equipped with axial hole, and spool right end is in contact with the push rod inside explosion prevention electromagnet, and axial hole right part, which is equipped with, to be connected
The radial hole of logical axial hole and primary channel wall, the outer surface of radial hole left side spool are equipped with groove, groove and main channel inner wall
Cavity II is formed, the main channel between spool and silk plug forms cavity I, and the compression bullet of connection silk plug and spool is equipped with cavity I
Spring；
Valve body above main channel is equipped with the drainback passage set along valve body above-below direction, drainback passage one end and I phase of cavity
Connection, the other end are connected by pipeline with fuel tank, are additionally provided with what is set along valve body above-below direction on the valve body below main channel
Service aisle I and service aisle II；
When oil circuit works normally, explosion prevention electromagnet is power failure state, I one end of service aisle and the spool appearance on the left of cavity II
Face contacts, and the other end is connected by pipeline with the rod chamber of oil cylinder, and II one end of service aisle is connected with cavity II, the other end
It is connected by pipeline with the rodless cavity of oil cylinder；When oil circuit is in unloading condition, explosion prevention electromagnet for electricity condition, push away at this time
The active force that bar promotes spool to overcome compression spring under the action of electromagnetic force is moved to the left, and service aisle I is connected with cavity II
Logical, service aisle II is connected with cavity II and radial hole at the same time.
2. explosion-proof emergent Releasing loop according to claim 1, it is characterised in that：The valve body is oil path block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710360234.0A CN106969007B (en) | 2017-05-21 | 2017-05-21 | Explosion-proof emergent Releasing loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710360234.0A CN106969007B (en) | 2017-05-21 | 2017-05-21 | Explosion-proof emergent Releasing loop |
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| Publication Number | Publication Date |
|---|---|
| CN106969007A CN106969007A (en) | 2017-07-21 |
| CN106969007B true CN106969007B (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710360234.0A Active CN106969007B (en) | 2017-05-21 | 2017-05-21 | Explosion-proof emergent Releasing loop |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266419B (en) * | 2018-04-11 | 2023-09-19 | 新乡市新倍增自动化设备有限公司 | Device for integrating power control oil circuit of electro-dynamic and static hydraulic actuator |
| CN110939628A (en) * | 2019-12-05 | 2020-03-31 | 江苏悦达专用车有限公司 | Safety protection type hydro-cylinder device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206785783U (en) * | 2017-05-21 | 2017-12-22 | 新乡市新倍增自动化设备有限公司 | Explosion-proof emergent Releasing loop |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125247C (en) * | 1999-05-06 | 2003-10-22 | 厦门大学 | Explosive-proof electromagnetic valve |
| CN202597317U (en) * | 2012-05-22 | 2012-12-12 | 徐州压力机械有限公司 | Ceramic hydraulic valve |
| DE102012222399A1 (en) * | 2012-12-06 | 2014-06-12 | Robert Bosch Gmbh | Constantly adjustable hydraulic cartridge valve |
| CN103016455A (en) * | 2012-12-24 | 2013-04-03 | 贵州枫阳液压有限责任公司 | Anti-explosion valve |
| CN103174693B (en) * | 2013-04-07 | 2015-05-27 | 华菱星马汽车（集团）股份有限公司 | Flow regeneration hydraulic lock valve device |
| CN204436951U (en) * | 2014-12-12 | 2015-07-01 | 武汉钢铁(集团)公司 | A kind of explosive-proof electromagnetic valve for hydraulic pump outlet |
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2017
- 2017-05-21 CN CN201710360234.0A patent/CN106969007B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206785783U (en) * | 2017-05-21 | 2017-12-22 | 新乡市新倍增自动化设备有限公司 | Explosion-proof emergent Releasing loop |
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| CN106969007A (en) | 2017-07-21 |
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Inventor after: Hu Dongtao Inventor after: Zhang Jianming Inventor after: Fei Yunfeng Inventor after: Chang Zhengyang Inventor after: Gao Xin Inventor after: Li Yanwei Inventor after: Chen Chao Inventor before: Zhang Jianming Inventor before: Hu Dongtao Inventor before: Li Yanwei Inventor before: Chen Chao |
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