CN202545397U - Hydraulic valve for coil cable insertion - Google Patents
Hydraulic valve for coil cable insertion Download PDFInfo
- Publication number
- CN202545397U CN202545397U CN2012201554222U CN201220155422U CN202545397U CN 202545397 U CN202545397 U CN 202545397U CN 2012201554222 U CN2012201554222 U CN 2012201554222U CN 201220155422 U CN201220155422 U CN 201220155422U CN 202545397 U CN202545397 U CN 202545397U
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- Prior art keywords
- valve
- pressure
- hydraulic
- pilot operated
- cable rolling
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- Expired - Fee Related
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Abstract
The utility model relates to a hydraulic valve for coil cable insertion, comprising an overflow valve, a guide type overflow valve, a one-way valve, a two-position three-way liquid control reversing valve, a damping hole and a remote pressure regulating valve which are arranged on a coil cable hydraulic valve body. The coil cable hydraulic valve body is further provided with a load sensitive control oil port, a pressure oil port, a return oil port and an oil tank working oil port; the guide type overflow valve, the two-position three-way liquid control reversing valve and the one-way valve are connected in parallel; the remote pressure regulating valve is connected with the remote control port of the guide type overflow valve in series; the two-position three-way liquid control reversing valve, the damping hole and the overflow valve are connected in series; and a choke one-way valve and the one-way valve are reversely connected in parallel. The hydraulic valve for coil cable insertion disclosed by the utility model has the advantages that after the hydraulic valve for coil cable insertion is utilized, the reliability of a hydraulic system can be improved, so that the service life of the cable is prolonged, the overflow loss is reduced, the oil system of the system is decreased, the energy consumption is reduced, a hydraulic pipeline is simplified, and the leakage of hydraulic oil is reduced.
Description
Technical field
The utility model relates to the cable rolling hydrovalve of electric LHD twisted and released of the cable hydraulic system, is specifically related to a kind of cable rolling plug-in mounting hydrovalve.
Background technique
Electric LHD twisted and released of the cable hydraulic system generally is made up of a quantitative oil pump, an oil hydraulic motor, a solenoid directional control valve, two relief valves, a fuel tank.The oil inlet and outlet of oil hydraulic motor is connected with solenoid valve, relief valve through oil pipe, and solenoid valve is connected with quantitative oil pump through oil pipe, and quantitative oil pump is connected with fuel tank through oil pipe.The principle of twisted and released of the cable is: when the vehicle cable rolling, quantitative oil pump is oil suction from fuel tank, and pressure oil is given the oil hydraulic motor fuel feeding through solenoid directional control valve; The rotation of fluid motor-driven reel is drawn over to one's side, and cable tightens up, and the oil pressure of oil hydraulic motor raises; Reach the pressure that relief valve is set, the relief valve overflow, oil hydraulic motor stops; Reel stops operating, and cable rolling finishes.During the vehicle cable laying, the cable tensioning, reel is the counter-rotating of drive motor under the effect of cable stretch, the charged switching-over of solenoid directional control valve, oil hydraulic motor gets into the oil pump working state, and the pressure oil of oil hydraulic motor and quantitative oil pump output is through another relief valve overflow.
The shortcoming of the cable rolling hydraulic valve assembly of this cable rolling hydraulic system is: solenoid directional control valve damages under the big environment of down-hole humidity, many dirt, Vehicular vibration easily, and reliability is not high, causes cable low working life; Spill losses is bigger; The oil temperature is higher, and energy consumption is bigger.
The model utility content
The purpose of the utility model provides a kind of cable rolling plug-in mounting hydrovalve, to improve the reliability of hydraulic system, cable life is increased, and reduces spill losses, reduces the system oil temperature, reduces energy consumption, simplifies hydraulic pipe line, reduces hydraulic fluid leak.
For realizing above-mentioned purpose, the technological scheme that the utility model is taked is:
A kind of cable rolling plug-in mounting hydrovalve; Comprise: relief valve, pilot operated compound relief valve; Its said relief valve, pilot operated compound relief valve are located on the cable rolling hydraulic valve body; Also be provided with one-way valve on the said cable rolling hydraulic valve body, said one-way valve is connected with choked flow one-way valve reverse parallel connection, and said one-way valve and said pilot operated compound relief valve, two-bit triplet pilot operated directional control valve are connected in parallel; Said pilot operated compound relief valve and remote pressure regulating valve are connected in series, and said two-bit triplet pilot operated directional control valve, damping hole and relief valve are connected in series;
Also be provided with load-sensitive control port on the said cable rolling hydraulic valve body; The pressure hydraulic fluid port; Return opening; Fuel tank actuator port cable rolling motor operations hydraulic fluid port; Said load-sensitive control port is connected with relief valve, damping hole through the oilhole in the cable rolling hydraulic valve body, and said pressure hydraulic fluid port is connected with pilot operated compound relief valve, one-way valve, two-bit triplet pilot operated directional control valve, choked flow one-way valve through the oilhole in the cable rolling hydraulic valve body, and said return opening is connected with two-bit triplet pilot operated directional control valve, relief valve through the oilhole in the cable rolling hydraulic valve body; Said fuel tank actuator port is connected with pilot operated compound relief valve through the oilhole in the cable rolling hydraulic valve body, and cable rolling motor operations hydraulic fluid port is connected with one-way valve, two-bit triplet pilot operated directional control valve, choked flow one-way valve through the oilhole in the valve body.
Also be provided with first pressure-measuring point, second pressure-measuring point, the 3rd pressure-measuring point and the 4th pressure-measuring point on the said cable rolling hydraulic valve body; Said first pressure-measuring point communicates with the pressure hydraulic fluid port through the oilhole in the said cable rolling hydraulic valve body; Said second pressure-measuring point is communicated with two-bit triplet pilot operated directional control valve, remote pressure regulating valve, damping hole through the oilhole in the said cable rolling hydraulic valve body; Said the 3rd pressure-measuring point is connected through the oilhole in the said cable rolling hydraulic valve body with one-way valve, two-bit triplet pilot operated directional control valve, one-way valve; Said the 4th pressure-measuring point is threaded in the load-sensitive control port through three-way pipe.
The beneficial effect of a kind of cable rolling plug-in mounting of the utility model hydrovalve: in electric LHD, behind the cable rolling plug-in mounting hydrovalve that use the utility model provides, the reliability of hydraulic system can be improved in (1), and cable life is increased.(2) reduce spill losses, reduce the system oil temperature, reduce energy consumption.(3) simplify hydraulic pipe line, reduce hydraulic fluid leak.
Description of drawings
Fig. 1 is the hydraulic schematic diagram of cable rolling plug-in mounting hydrovalve
Shown in the figure: 1, cable rolling hydraulic valve body, 2, one-way valve, 3, the two-bit triplet pilot operated directional control valve, 4, damping hole; 5, relief valve, 6, pilot operated compound relief valve, 7, remote pressure regulating valve, 8, the choked flow one-way valve; Ls, load-sensitive control port, N, pressure hydraulic fluid port, T, return opening, L, fuel tank actuator port; M, cable rolling motor operations hydraulic fluid port, the filler opening of P, valve member, the oil outlet of O, valve member, the telecontrol mouth of K, pilot operated compound relief valve; The actuator port of A, two-bit triplet pilot operated directional control valve, the spring side control port of a, two-bit triplet pilot operated directional control valve, the no spring observing and controlling system hydraulic fluid port of b, two-bit triplet pilot operated directional control valve.23, first pressure-measuring point, 24, second pressure-measuring point, the 25, the 3rd pressure-measuring point, the 26, the 4th pressure-measuring point.
Embodiment
Further set forth the technological scheme of the utility model below in conjunction with accompanying drawing.
As shown in the figure; This practical comprising: relief valve 5, pilot operated compound relief valve 6; It is characterized in that: also comprise: cable rolling hydraulic valve body 1, one-way valve 2, two-bit triplet pilot operated directional control valve 3, damping hole 4, remote pressure regulating valve 7, choked flow one-way valve 8, said relief valve 5, pilot operated compound relief valve 6, one-way valve 2, two-bit triplet pilot operated directional control valve 3, damping hole 4, remote pressure regulating valve 7, choked flow one-way valve 8 are arranged on the cable rolling hydraulic valve body 1; Said pilot operated compound relief valve 6, two-bit triplet pilot operated directional control valve 3 and one-way valve 2 are connected in parallel; The telecontrol mouth of said remote pressure regulating valve 7 and pilot operated compound relief valve 6 is connected in series; Said two-bit triplet pilot operated directional control valve 3, damping hole 4 and relief valve 5 are connected in series, and said choked flow one-way valve 8 is connected with one-way valve 2 reverse parallel connections; Also be provided with load-sensitive control port Ls on the said cable rolling hydraulic valve body 1; Pressure hydraulic fluid port N; Oil return inlet T; Fuel tank actuator port L, cable rolling motor operations hydraulic fluid port M, responsive control port Ls was connected with relief valve 5, damping hole 4 through the oilhole in the valve body in said year; Pressure hydraulic fluid port N is connected with pilot operated compound relief valve 6, one-way valve 2, two-bit triplet pilot operated directional control valve 3, choked flow one-way valve 8 through the oilhole in the valve body; Oil return inlet T two-bit triplet pilot operated directional control valve 3, relief valve 5 are connected, and fuel tank actuator port L is connected with pilot operated compound relief valve 6 through the oilhole in the valve body, and cable rolling motor operations hydraulic fluid port M is connected with one-way valve 2, two-bit triplet pilot operated directional control valve 3, choked flow one-way valve 8 through the oilhole in the valve body.
Said cable rolling hydraulic valve body 1 is provided with first pressure-measuring point 23, second pressure-measuring point 24, the 3rd pressure-measuring point 25, the 4th pressure-measuring point 26; Said first pressure-measuring point 23 communicates with pressure hydraulic fluid port N through the oilhole in the valve body; Said second pressure-measuring point 24 is communicated with two-bit triplet pilot operated directional control valve 3, remote pressure regulating valve 7, damping hole 4 through the oilhole in the valve body; Said the 3rd pressure-measuring point 25 is connected through the oilhole in the valve body with one-way valve 2, two-bit triplet pilot operated directional control valve 3, choked flow one-way valve 8; Said the 4th pressure-measuring point 26 is threaded on the load-sensitive control port LS mouth through three-way pipe.
Specific operation are following:
As shown in the figure; The filler opening of one-way valve 2, oil inlet P and the spring side control port a of two-bit triplet pilot operated directional control valve, the oil outlet of one-way valve 8, the oil inlet P of pilot operated compound relief valve 6 of two-bit triplet pilot operated directional control valve 3 are connected through the oilhole in the valve piece, and the oilhole external tapping is valve piece N mouth and pressure-measuring point 23.
The telecontrol mouth K of pilot operated compound relief valve, the oil inlet P of remote pressure regulating valve 7 connect through the oilhole in the valve piece.
The oil outlet O of two-bit triplet pilot operated directional control valve actuator port A and remote pressure regulating valve 7 is connected through the oilhole in the valve piece, and is communicated with damping hole 4, the external pressure-measuring point 24 of oilhole; The oilhole external tapping of damping hole (4) is a load-sensitive control port Ls mouth.
The oil outlet of the oil inlet P of relief valve 5 and damping hole 4 is connected through the oilhole in the valve piece.
The no spring observing and controlling system hydraulic fluid port b of the oil outlet of one-way valve 2, two-bit triplet pilot operated directional control valve, the filler opening of choked flow one-way valve 8 connect through the oilhole in the valve piece.The oilhole external tapping is cable rolling motor operations hydraulic fluid port M mouth and pressure-measuring point 25.
Pressure-measuring point 26 is arranged on the three-way pipe that connects the LS mouth, and under test mode, pressure gauge is connected with pressure-measuring point 23 through the pressure measurement flexible pipe.
Under non-test mode, first pressure-measuring point 23, second pressure-measuring point 24, the 3rd pressure-measuring point 25, the 4th pressure-measuring point 26 all are in closed condition.
During working state, variable displacement pump is connected with pressure hydraulic fluid port N, load-sensitive control port Ls mouth on the cable rolling hydraulic valve body 1 through high-pressure oil pipe; Cable rolling motor operations hydraulic fluid port M on the cable rolling hydraulic valve body 1 is connected with the cable rolling motor through high-pressure oil pipe; Oil return inlet T on the cable rolling hydraulic valve body 1 connects the cable rolling motor through high-pressure oil pipe; Fuel tank actuator port L is connected with fuel tank.
Above-described only is the preferred embodiment of the utility model; The technological scheme of the utility model is not so limited; Should be understood that to those skilled in the art; Under the teachings that the utility model provided, can also make other equivalent modifications and improvement, also should be regarded as the scope of the utility model claim protection.
Claims (2)
1. cable rolling plug-in mounting hydrovalve; Comprise: relief valve (5), pilot operated compound relief valve (6); It is characterized in that: said relief valve (5), pilot operated compound relief valve (6) are located on the cable rolling hydraulic valve body (1); Also be provided with one-way valve (2) on the said cable rolling hydraulic valve body (1), said one-way valve (2) is connected with choked flow one-way valve (8) reverse parallel connection, and said one-way valve (2) is connected in parallel with said pilot operated compound relief valve (6), two-bit triplet pilot operated directional control valve (3); Said pilot operated compound relief valve (6) is connected in series with remote pressure regulating valve (7), and said two-bit triplet pilot operated directional control valve (3), damping hole (4) are connected in series with relief valve (5);
Also be provided with load-sensitive control port (Ls) on the said cable rolling hydraulic valve body (1); Pressure hydraulic fluid port (N); Return opening (T); Fuel tank actuator port (L) cable rolling motor operations hydraulic fluid port (M); Said load-sensitive control port (Ls) is connected with relief valve (5), damping hole (4) through the oilhole in the cable rolling hydraulic valve body (1); Said pressure hydraulic fluid port (N) is connected with pilot operated compound relief valve (6), one-way valve (2), two-bit triplet pilot operated directional control valve (3), choked flow one-way valve (8) through the oilhole in the cable rolling hydraulic valve body (1); Said return opening (T) is connected with two-bit triplet pilot operated directional control valve (3), relief valve (5) through the oilhole in the cable rolling hydraulic valve body (1); Said fuel tank actuator port (L) is connected with pilot operated compound relief valve (6) through the oilhole in the cable rolling hydraulic valve body (1), and cable rolling motor operations hydraulic fluid port (M) is connected with one-way valve (2), two-bit triplet pilot operated directional control valve (3), choked flow one-way valve (8) through the oilhole in the valve body.
2. a kind of cable rolling plug-in mounting hydrovalve according to claim 1 is characterized in that: also be provided with first pressure-measuring point (23), second pressure-measuring point (24), the 3rd pressure-measuring point (25) and the 4th pressure-measuring point (26) on the said cable rolling hydraulic valve body (1); Said first pressure-measuring point (23) communicates with pressure hydraulic fluid port (N) through the oilhole in the said cable rolling hydraulic valve body (1); Said second pressure-measuring point (24) is communicated with two-bit triplet pilot operated directional control valve (3), remote pressure regulating valve (7), damping hole (4) through the oilhole in the said cable rolling hydraulic valve body (1); Said the 3rd pressure-measuring point (25) is connected through the oilhole in the said cable rolling hydraulic valve body (1) with one-way valve (2), two-bit triplet pilot operated directional control valve (3), one-way valve (8); Said the 4th pressure-measuring point (26) is threaded in the load-sensitive control port (LS) through three-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201554222U CN202545397U (en) | 2012-04-13 | 2012-04-13 | Hydraulic valve for coil cable insertion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201554222U CN202545397U (en) | 2012-04-13 | 2012-04-13 | Hydraulic valve for coil cable insertion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545397U true CN202545397U (en) | 2012-11-21 |
Family
ID=47166039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201554222U Expired - Fee Related CN202545397U (en) | 2012-04-13 | 2012-04-13 | Hydraulic valve for coil cable insertion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545397U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884820A (en) * | 2015-12-16 | 2017-06-23 | 中国科学院沈阳自动化研究所 | A kind of storage winch hydraulic system |
| CN109707691A (en) * | 2019-02-18 | 2019-05-03 | 西安庆安航空试验设备有限责任公司 | A kind of pressure control device of thermal-hydraulic system |
| CN112762037A (en) * | 2020-11-27 | 2021-05-07 | 徐工集团工程机械股份有限公司 | Quick-insertion valve group, remote hydraulic control system and engineering vehicle |
-
2012
- 2012-04-13 CN CN2012201554222U patent/CN202545397U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884820A (en) * | 2015-12-16 | 2017-06-23 | 中国科学院沈阳自动化研究所 | A kind of storage winch hydraulic system |
| CN106884820B (en) * | 2015-12-16 | 2018-04-06 | 中国科学院沈阳自动化研究所 | A kind of storage winch hydraulic system |
| CN109707691A (en) * | 2019-02-18 | 2019-05-03 | 西安庆安航空试验设备有限责任公司 | A kind of pressure control device of thermal-hydraulic system |
| CN112762037A (en) * | 2020-11-27 | 2021-05-07 | 徐工集团工程机械股份有限公司 | Quick-insertion valve group, remote hydraulic control system and engineering vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150413 |
|
| EXPY | Termination of patent right or utility model |