CN104061348A - Double pipeline hose explosion valve with adjustable action flow rate - Google Patents
Double pipeline hose explosion valve with adjustable action flow rate Download PDFInfo
- Publication number
- CN104061348A CN104061348A CN201410113449.9A CN201410113449A CN104061348A CN 104061348 A CN104061348 A CN 104061348A CN 201410113449 A CN201410113449 A CN 201410113449A CN 104061348 A CN104061348 A CN 104061348A
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- CN
- China
- Prior art keywords
- flexible pipe
- hollow cavity
- valve
- limited lever
- hydraulic fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F15B13/023—Excess flow valves, e.g. for locking cylinders in case of hose burst
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Lift Valve (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a double pipeline hose explosion valve with an adjustable action flow rate. A movable valve core group is matched with a spring seat and a flange joint; when the position of the spring seat is changed, the pre-compression amount of a compression spring is also changed, so that the stroke of the movable valve core group is changed, and the setting of the action flow rate of the explosion preventing valve is complete; meanwhile, the movable valve core group is in clearance fit with a valve core body and a limiting rod, so that the problem of oil leakage since the whole valve core is susceptible to being jammed.
Description
Technical field
The present invention relates to a kind of hydraulic explosion-proof valve, particularly a kind of for the adjustable dual circuit flexible pipe explosive valve of the action flow of overload hydraulic load-bearing special vehicle.
Background technique
Existing dual circuit explosion prevention valve is substantially all by valve body, each end cap with hydraulic fluid port of valve body both sides, and integral type valve core and two Compress Springs and secondary seal, link form.End cap manufacturing procedure is complicated, and high expensive needs high sealability.After existing dual circuit explosion prevention valve dispatches from the factory, the position of spring is relatively fixing, therefore impel the hydraulic fluid flow rate of spool action to be definite value by flexible pipe hydraulic fluid port, hydraulic system for the different action of needs flow, need select according to flow the dual circuit explosion prevention valve of different size, and constant response traffic spring governing speed when flow system flow changes can not change, can cause fluid waste and environmental pollution; Meanwhile, adopt integral type valve core, may in local assault, cause the stuck of spool, caused equally oil liquid leakage and cause environmental pollution, be also unfavorable for safety.
As can be seen here, above-mentioned existing dual circuit flexible pipe explosion-proof valve has in overload hydraulic load-bearing special vehicle field etc. in the product application of special functional demands and obviously has design deficiency, is urgently improved.
Summary of the invention
The present invention is intended to overcome prior art defect, a kind of adjustable dual circuit flexible pipe explosive valve of flow that moves is provided, employing activity spool group and spring seat and flanged joint are used in combination, when the position of spring seat changes, the pre compressed magnitude of Compress Spring is along with change, thereby stroke that can change activity spool group, completes the setting of explosion-proof valve action flow; Movable spool group, by spool body and position-limited lever Spielpassung, has solved the easily stuck problem that causes draining of integral core simultaneously.
For achieving the above object, concrete technological scheme provided by the invention is:
The dual circuit flexible pipe explosive valve that the flow that moves is adjustable, comprising: valve body, is provided with the hollow cavity of both ends open and the first hydraulic fluid port passage being connected with described hollow cavity in described valve body; Spring seat, is arranged at two ports in described hollow cavity, described spring seat and described valve interior wall Spielpassung, and described spring seat is provided with the second hydraulic fluid port passage being connected with described hollow cavity; Movable spool group, comprise two spool bodies and be arranged at the position-limited lever between described spool body, the inwall Spielpassung of described spool body and described valve body, described spool body is provided with boss, position-limited lever mounting hole and the 3rd hydraulic fluid port passage, described boss and described the second hydraulic fluid port passage are sealed and matched when flexible pipe explosion, described position-limited lever is the thin multidiameter shafts in middle thick both sides, the little journal axle at the two ends of described position-limited lever and described position-limited lever mounting hole Spielpassung, the 3rd described hydraulic fluid port passage is connected with described hollow cavity; Compress Spring, is arranged between described spring seat and spool body; Flanged joint, described flanged joint is arranged at the opening end of the hollow cavity of described valve body by seal ring.
As such scheme preferably, described position-limited lever mounting hole is through hole, the axial length of the little journal axle of described position-limited lever is greater than the length of described position-limited lever mounting hole.
As such scheme preferably, one end of matching with described spool body of the second described hydraulic fluid port passage is the conical socket extending out, described boss is frustum, described position-limited lever mounting hole runs through described boss.
As such scheme preferably, the axis angulation of the sidewall of the frustum described in the axis angulation of the sidewall of described conical socket and hollow cavity is less than and described hollow cavity.
As such scheme preferably, described spring seat is provided with the first spring fitting draw-in groove, described spool body is provided with the second spring fitting draw-in groove, described first installs draw-in groove and described second installs draw-in groove and is oppositely arranged, and described Compress Spring is arranged at described first and installs in draw-in groove and the second installation draw-in groove.
As such scheme preferably, the 3rd described hydraulic fluid port passage be a plurality of, be evenly distributed on described spool body.
As such scheme preferably, the port of described hollow cavity is provided with spacer, described spacer is close to mutually with described spring seat.
As such scheme preferably, described spacer is a plurality of, the thickness of each spacer is different.
Owing to adopting technique scheme, technological scheme provided by the invention compared with prior art has the following advantages:
1, a kind of adjustable dual circuit flexible pipe explosive valve of flow that moves provided by the invention, employing activity spool group and spring seat and flanged joint are used in combination, when the position of spring seat changes, the pre compressed magnitude of Compress Spring is along with change, thereby stroke that can change activity spool group, completes the setting of explosion-proof valve action flow; Movable spool group, by spool body and position-limited lever Spielpassung, has solved the easily stuck problem that causes draining of integral core simultaneously.
2, position-limited lever mounting hole is designed to through hole, position-limited lever penetrates this position-limited lever mounting hole, makes position-limited lever coordinate more flexibly with spool body, prevent that whole movable spool group is stuck.
3, one end of the second hydraulic fluid port passage on spring seat is conical socket, and the boss on spool body is frustum, easier aligned position while spool body and spring seat being sealed and matched when flexible pipe explosion.
4, the angle of the sidewall of conical socket and frustum sidewall is inconsistent, forms linear sealing when the two is sealed and matched, and seals more tight.
5, on spring seat and spool body, be equipped with installation draw-in groove, facilitate the installation of Compress Spring.
6, a plurality of hydraulic fluid port passages are set on spool body, make the connection of oil circuit more smooth and easy.
7, be provided with spacer, thereby the pre compressed magnitude that can the thickness by spacer changes Compress Spring changes the stroke of movable spool group, completes the setting of explosion-proof valve action flow.
8, the different spacer of a plurality of thickness is set, makes more easily to change by reducing and increase the quantity of spacer the pre compressed magnitude of Compress Spring.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation that moves the adjustable dual circuit flexible pipe explosive valve of flow provided by the invention;
Fig. 2 is Fig. 1 structural representation that spring abutment, spool body and position-limited lever match of being hit by a bullet;
Fig. 3 is the Compress Spring structural representation that spool body and spring seat are sealed and matched when in running order;
Fig. 4 is the use view of spacer;
Fig. 5 is a kind of application principle figure that moves the adjustable dual circuit flexible pipe explosive valve of flow provided by the invention.
Embodiment
Below in conjunction with accompanying drawing of the present invention, technological scheme of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, the invention provides a kind of adjustable dual circuit flexible pipe explosive valve of flow that moves, comprise: (1) valve body 1, in described valve body, be provided with the hollow cavity 101 of both ends open and the first hydraulic fluid port path 10 2 being connected with described hollow cavity, the first described hydraulic fluid port path 10 2 is perpendicular with described hollow cavity 101;
(2) spring seat 2, be arranged at two ports in described hollow cavity, described spring seat and described valve interior wall are by seal ring 8 Spielpassung, described spring seat is provided with the second hydraulic fluid port passage 201 being connected with described hollow cavity, and the outer circumferential face of described spring seat is provided with the first spring fitting draw-in groove 202;
(3) movable spool group 3, comprise two spool bodies 301 and be arranged at the position-limited lever 302 between described spool body, the inwall Spielpassung of described spool body and described valve body, described spool body is provided with boss 303, position-limited lever mounting hole 304 and the 3rd hydraulic fluid port passage 305, described position-limited lever mounting hole is through hole, described boss and described the second hydraulic fluid port passage are sealed and matched when flexible pipe explosion, described position-limited lever is the thin multidiameter shafts in middle thick both sides, the axial length of the little journal axle of described position-limited lever is greater than the length of described position-limited lever mounting hole, the little journal axle of described position-limited lever and described position-limited lever mounting hole Spielpassung, the 3rd described hydraulic fluid port passage is connected with described hollow cavity, the outer circumferential face of described spool body is provided with the second installation draw-in groove 306 relative with the first described installation draw-in groove,
(4) Compress Spring 4, are arranged between the first spring fitting draw-in groove and the second spring fitting draw-in groove on spool body on described spring seat;
(5) spacer 5, are arranged at the port of described hollow cavity, and described spacer is close to mutually with described spring seat;
(6) flanged joint 6, and the termination of described flanged joint is provided with seal ring 8, then by bolt 7, are fixed in the opening end of the hollow cavity of described valve body.
A kind of adjustable dual circuit flexible pipe explosive valve of flow that moves provided by the invention, employing activity spool group and spring seat and flanged joint are used in combination, when the position of spring seat changes, the pre compressed magnitude of Compress Spring is along with change, thereby stroke that can change activity spool group, completes the setting of explosion-proof valve action flow; Movable spool group is by spool body and position-limited lever Spielpassung simultaneously, solved the easily stuck problem that causes draining of integral core, flanged joint can directly be used ready-made right angle square flange, is secured by bolts on valve body, than existing end cap customization, more saves cost.
Further, as shown in Figure 3, one end of matching with described spool body of the second described hydraulic fluid port passage 201 is the conical socket extending out, described boss 303 is frustum, described position-limited lever mounting hole runs through described boss, the axis angulation of the sidewall of the frustum described in the axis angulation of the sidewall of described conical socket and hollow cavity is less than and described hollow cavity.One end of the second hydraulic fluid port passage on spring seat is conical socket, boss on spool body is frustum, easier aligned position while spool body and spring seat being sealed and matched when flexible pipe explosion, the angle of the sidewall of conical socket and frustum sidewall is inconsistent, when the two is sealed and matched, at P place, form linear sealing, seal more tight.
Preferably, described the 3rd hydraulic fluid port passage 305 for a plurality of, be evenly distributed on described spool body 301.Make the connection of oil circuit more smooth and easy.
Further, as shown in Figure 4, described spacer 5 is a plurality of, and the thickness of each spacer is different.The different spacer of a plurality of thickness is set, makes more easily to change by reducing and increase the quantity of spacer the pre compressed magnitude of Compress Spring.
A kind of assembly relation that moves the adjustable dual circuit flexible pipe explosive valve of flow provided by the invention is: first, select one end of valve body 1, first spring seat 2 is put into the hollow cavity of valve body, then pack the spacer choosing 5 into valve body hollow cavity 101, and by bolt 7, right angle square flange and seal ring 8 are fixed on to this end of valve body 1, finally, from the other end opening of valve body hollow cavity, pack successively first Compress Spring 4 into, movable spool group 3, the other end in movable spool group 3 packs second Compress Spring successively into again, second spring seat and the spacer corresponding with this end, by corresponding bolt, another right angle square flange is fixed on again to the other end of valve body 1, thereby complete assembling, owing to being equipped with the second hydraulic fluid port passage on two spring seats, therefore form two second hydraulic fluid port passage A and B in this explosive valve.In assembly process, all parts keep coaxial with the hollow cavity of valve body.
Pipeline connecting figure during as shown in Figure 3 and Figure 5 for the adjustable dual circuit flexible pipe explosive valve working state figure of action flow and application.When hydraulic system applications, with 2 flexible pipes 11, connect suspended load oil cylinder 9 and system main line 10, article two, the homonymy of flexible pipe is all connected by a kind of adjustable dual circuit flexible pipe explosive valve of flow that moves provided by the invention, the A mouth of two explosive valves connects by flexible pipe 11, and the B mouth of two explosive valves is connected by flexible pipe 11.Connected system main line 10 of the first hydraulic fluid port channel C of two explosive valves, another connects suspended load oil cylinder 9, during an explosion in two flexible pipes 11, the second hydraulic fluid port passage A of the explosive valve that these flexible pipe two ends connect or the hydraulic fluid flow rate of B increase rapidly, pressure will reduce rapidly, the opposite side of the explosive valve being connected with another flexible pipe 11 promotes Compress Spring under the effect of high pressure, until contacting, the frustum of movable spool group and the conical socket of spring seat form linear sealing, thereby block the second hydraulic fluid port passage of this side, and the second hydraulic fluid port passage of opposite side is normally worked, and then protective system main line and suspended load oil cylinder normally act on by another flexible pipe.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1. the dual circuit flexible pipe explosive valve that the flow that moves is adjustable, is characterized in that, comprising:
Valve body, is provided with the hollow cavity of both ends open and the first hydraulic fluid port passage being connected with described hollow cavity in described valve body;
Spring seat, is arranged at two ports in described hollow cavity, described spring seat and described valve interior wall Spielpassung, and described spring seat is provided with the second hydraulic fluid port passage being connected with described hollow cavity;
Movable spool group, comprise two spool bodies and be arranged at the position-limited lever between described spool body, the inwall Spielpassung of described spool body and described valve body, described spool body is provided with boss, position-limited lever mounting hole and the 3rd hydraulic fluid port passage, described boss and described the second hydraulic fluid port passage are sealed and matched when flexible pipe explosion, described position-limited lever is the thin multidiameter shafts in middle thick both sides, the little journal axle at the two ends of described position-limited lever and described position-limited lever mounting hole Spielpassung, the 3rd described hydraulic fluid port passage is connected with described hollow cavity;
Compress Spring, is arranged between described spring seat and spool body;
Flanged joint, described flanged joint is arranged at the opening end of the hollow cavity of described valve body by seal ring.
2. the adjustable dual circuit flexible pipe explosive valve of action flow according to claim 1, is characterized in that, described position-limited lever mounting hole is through hole, and the axial length of the little journal axle of described position-limited lever is greater than the length of described position-limited lever mounting hole.
3. the adjustable dual circuit flexible pipe explosive valve of action flow according to claim 2, it is characterized in that, one end of matching with described spool body of the second described hydraulic fluid port passage is the conical socket extending out, and described boss is frustum, and described position-limited lever mounting hole runs through described boss.
4. the adjustable dual circuit flexible pipe explosive valve of action flow according to claim 3, is characterized in that, the axis angulation of the sidewall of the frustum described in the axis angulation of the sidewall of described conical socket and hollow cavity is less than and described hollow cavity.
5. the dual circuit flexible pipe explosive valve adjustable according to the action flow described in any one in claim 1-4, it is characterized in that, described spring seat is provided with the first spring fitting draw-in groove, described spool body is provided with the second spring fitting draw-in groove, described first installs draw-in groove and described second installs draw-in groove and is oppositely arranged, and described Compress Spring is arranged at described first and installs in draw-in groove and the second installation draw-in groove.
6. the dual circuit flexible pipe explosive valve adjustable according to the action flow described in any one in claim 1-4, is characterized in that, the 3rd described hydraulic fluid port passage be a plurality of, be evenly distributed on described spool body.
7. the dual circuit flexible pipe explosive valve adjustable according to the action flow described in any one in claim 1-4, is characterized in that, the port of described hollow cavity is provided with spacer, and described spacer is close to mutually with described spring seat.
8. the adjustable dual circuit flexible pipe explosive valve of action flow according to claim 7, is characterized in that, described spacer is a plurality of, and the thickness of each spacer is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113449.9A CN104061348B (en) | 2014-03-25 | 2014-03-25 | The dual circuit flexible pipe explosive valve that action flow is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113449.9A CN104061348B (en) | 2014-03-25 | 2014-03-25 | The dual circuit flexible pipe explosive valve that action flow is adjustable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104061348A true CN104061348A (en) | 2014-09-24 |
| CN104061348B CN104061348B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410113449.9A Active CN104061348B (en) | 2014-03-25 | 2014-03-25 | The dual circuit flexible pipe explosive valve that action flow is adjustable |
Country Status (1)
| Country | Link |
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| CN (1) | CN104061348B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675999A (en) * | 2015-03-13 | 2015-06-03 | 宁波天生密封件有限公司 | Sealing member for explosion valve and sealing structure thereof |
| CN108167493A (en) * | 2017-11-30 | 2018-06-15 | 北京宇航系统工程研究所 | A kind of redundancy electric blasting valve |
| CN108180311A (en) * | 2018-02-07 | 2018-06-19 | 菲时特集团股份有限公司 | One kind automatically cuts off angle valve |
| CN108458145A (en) * | 2018-02-07 | 2018-08-28 | 菲时特集团股份有限公司 | A kind of explosion-proof anticreep valve module |
| CN113638927A (en) * | 2021-07-12 | 2021-11-12 | 湖北三江航天万山特种车辆有限公司 | Hydraulic double-pipeline explosion-proof rotary joint and hydraulic double-pipeline explosion-proof loop |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3611451A1 (en) * | 1986-04-05 | 1987-10-08 | Wollbrecht Gisbert | Control device for compressed-air engines |
| DE3837982A1 (en) * | 1988-11-09 | 1990-05-10 | Gewerk Eisenhuette Westfalia | Pressure-relief valve for hydraulic support systems, in particular for use as a rock-burst valve |
| CN2625683Y (en) * | 2003-06-29 | 2004-07-14 | 郑州大方桥梁机械有限公司 | Dual circuit safety valve |
| CN2883832Y (en) * | 2005-09-15 | 2007-03-28 | 秦皇岛通联特种车辆有限公司 | Double explosion-proof valve |
| CN101158412A (en) * | 2006-10-08 | 2008-04-09 | 上海宝钢冶金技术服务有限公司 | Hydraulic dual circuit explosion prevention valve |
-
2014
- 2014-03-25 CN CN201410113449.9A patent/CN104061348B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3611451A1 (en) * | 1986-04-05 | 1987-10-08 | Wollbrecht Gisbert | Control device for compressed-air engines |
| DE3837982A1 (en) * | 1988-11-09 | 1990-05-10 | Gewerk Eisenhuette Westfalia | Pressure-relief valve for hydraulic support systems, in particular for use as a rock-burst valve |
| CN2625683Y (en) * | 2003-06-29 | 2004-07-14 | 郑州大方桥梁机械有限公司 | Dual circuit safety valve |
| CN2883832Y (en) * | 2005-09-15 | 2007-03-28 | 秦皇岛通联特种车辆有限公司 | Double explosion-proof valve |
| CN101158412A (en) * | 2006-10-08 | 2008-04-09 | 上海宝钢冶金技术服务有限公司 | Hydraulic dual circuit explosion prevention valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675999A (en) * | 2015-03-13 | 2015-06-03 | 宁波天生密封件有限公司 | Sealing member for explosion valve and sealing structure thereof |
| CN108167493A (en) * | 2017-11-30 | 2018-06-15 | 北京宇航系统工程研究所 | A kind of redundancy electric blasting valve |
| CN108180311A (en) * | 2018-02-07 | 2018-06-19 | 菲时特集团股份有限公司 | One kind automatically cuts off angle valve |
| CN108458145A (en) * | 2018-02-07 | 2018-08-28 | 菲时特集团股份有限公司 | A kind of explosion-proof anticreep valve module |
| CN113638927A (en) * | 2021-07-12 | 2021-11-12 | 湖北三江航天万山特种车辆有限公司 | Hydraulic double-pipeline explosion-proof rotary joint and hydraulic double-pipeline explosion-proof loop |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104061348B (en) | 2016-04-27 |
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