CN201661537U - Upper electro-hydraulic integrating operation rotary control valve of mechanical crane - Google Patents
Upper electro-hydraulic integrating operation rotary control valve of mechanical crane Download PDFInfo
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- CN201661537U CN201661537U CN2010201152475U CN201020115247U CN201661537U CN 201661537 U CN201661537 U CN 201661537U CN 2010201152475 U CN2010201152475 U CN 2010201152475U CN 201020115247 U CN201020115247 U CN 201020115247U CN 201661537 U CN201661537 U CN 201661537U
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- 239000000945 filler Substances 0.000 claims description 30
- 201000002950 dengue hemorrhagic fever Diseases 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 8
- 108091006028 chimera Proteins 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003139 buffering Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model discloses an upper electro-hydraulic integrating operation rotary control valve of a mechanical crane, comprising a valve body, wherein the valve body is equipped with a hydraulic change-over valve, a shuttle valve, an electromagnetic change-over valve, a one-way valve and an adjustable throttle valve, wherein the valve body is provided with an oil inlet, an oil return port and an oil output port; the oil inlet is communicated with the pressure ports of the hydraulic change-over valve and the electromagnetic change-over valve; the oil return port is communicated with the oil return ports of the hydraulic change-over valve and the electromagnetic change-over valve; the oil return ports of the hydraulic change-over valve and the electromagnetic change-over valve are communicated with two oil inlets of the shuttle valve; the oil outlets of the shuttle valve are communicated with the oil output port by the one-way valve and the adjustable throttle valve which are connected in parallel; the hydraulic change-over valve, the shuttle valve, an adjustable damper and the one-way valve all adopt a plug-in mounting structure, are respectively plugged in the valve body and high integrated together, so that the structure is simple, the manufacturing cost is low, the volume of the valve body is small, the automation level is high, the runner is shortened, and the maintenance is more convenient.
Description
Technical field
The utility model relates to the technical field of automobile-used hydrovalve, and particularly a kind of electric liquid of getting on the bus of mechanically actuated hoist is held concurrently and grasped rotary control valve.
Background technique
Be applicable to the hydrovalve of revolution control on the truck crane, press maneuverability pattern and divide that manual control mode, electrichydraulic control mode or the like are arranged, can carry out actual selection according to different ride qualities; To manual maneuverability pattern, its manipulation strength is higher, and automaticity is relatively poor, so comparatively advanced at present truck crane does not re-use; For the latter's electrichydraulic control mode, because it has realized the combination of electricity with liquid, make The whole control system can reach automation mechanized operation, and the control sensitivity of system is also significantly improved.
Perhaps adopt foot-operated control mode and solenoid directional control valve to come together to realize, it is huge that it manufactures control system, the installation and maintenance difficulty, and automaticity is low; But the trainstop control valve also adopts integrated mode that each control unit is combined on domestic minority hydraulic hoist and the external hydraulic mobile crane, but complex structure is bulky, costs an arm and a leg.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, and a kind of simple in structure, valve volume is little, the valve member height is integrated, automaticity is high and the electric liquid of getting on the bus of the mechanically actuated hoist being convenient to keep in repair is held concurrently behaviour's rotary control valve is provided.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: the electric liquid of getting on the bus of mechanically actuated hoist is held concurrently and is grasped rotary control valve, include valve body, this valve body is fitted with hydraulicchange-over valve, shuttle valve, solenoid directional control valve, one-way valve and adjustable restrictive valve, valve body is provided with filler opening, return opening and output oil port, filler opening is communicated with the pressure port of hydraulicchange-over valve, solenoid directional control valve, and return opening is communicated with hydraulicchange-over valve return opening, pilot operated directional control valve spring chamber, solenoid directional control valve return opening; And the oil outlet of hydraulicchange-over valve, solenoid directional control valve is communicated with two filler openings of shuttle valve respectively, and one-way valve, the adjustable restrictive valve of the oil outlet of shuttle valve through being in parallel is communicated with output oil port.
The measure of taking also comprises:
Above-mentioned hydraulicchange-over valve, solenoid directional control valve and valve body all adopt plug-in mounting structure, and this hydraulicchange-over valve, solenoid directional control valve all be shaped on screw thread outward, realize being fastenedly connected of each valve and valve body by this screw thread.
Above-mentioned hydraulicchange-over valve is a two position three-way valve, and during by spring chamber control hydraulicchange-over valve, the output terminal on this hydraulicchange-over valve is communicated with return opening, and filler opening is in rest position; During by hydraulic control end control hydraulicchange-over valve, the output terminal on this hydraulicchange-over valve is communicated with filler opening, and return opening is in rest position, and fluid continues outwards to export through shuttle valve, one-way valve and output oil port.
Above-mentioned solenoid directional control valve also is a two position three-way valve, and the one end is a spring chamber, and the other end is the Electromagnetic Drive end; When controlling this solenoid directional control valve by spring chamber, the output terminal on this solenoid directional control valve is communicated with return opening, and filler opening is in rest position; When controlling this solenoid directional control valve by the Electromagnetic Drive end, the output terminal on this solenoid directional control valve is communicated with filler opening, and return opening is in rest position.
Be shaped on first control port on the above-mentioned valve body right side, and this first control port is communicated with the hydraulic control end of hydraulicchange-over valve; Be shaped on second control port on the hydraulicchange-over valve the other end.
Above-mentioned filler opening, return opening are arranged at the bottom surface of valve body.
Above-mentioned output oil port, one-way valve and shuttle valve are arranged at the end face of valve body, and one-way valve, shuttle valve cooperate with the equal plug-in mounting of valve body, and above-mentioned shuttle valve all is shaped on screw thread outward, is fastenedly connected by this screw thread and valve body.
The through-flow end of above-mentioned one-way valve is connected with the output terminal of shuttle valve, and is connected by holding with above-mentioned output oil port.
The below that above-mentioned valve body is positioned at output oil port is shaped on tapped hole, and adjustable restrictive valve includes at least one damping, and tapped hole and this damping spin chimeric.
The quantity of above-mentioned damping is formed adjustable restrictive valve; All be shaped on reach through hole in the middle of each damping, and the liquid through-current capability of the diameter value of this damping reach through hole decision adjustable restrictive valve.
Compared with prior art, the utility model includes valve body, this valve body is fitted with hydraulicchange-over valve, shuttle valve, solenoid directional control valve, one-way valve and adjustable restrictive valve, valve body is provided with filler opening, return opening and output oil port, filler opening is communicated with the pressure port of hydraulicchange-over valve, solenoid directional control valve, return opening is communicated with the return opening of hydraulicchange-over valve, solenoid directional control valve, and the oil outlet of hydraulicchange-over valve, solenoid directional control valve is communicated with two filler openings of shuttle valve respectively, and one-way valve, the adjustable restrictive valve of the oil outlet of shuttle valve through being in parallel is communicated with output oil port.Advantage of the present utility model is: hydraulicchange-over valve, shuttle valve, adjustable damping and one-way valve all adopt the plug-in type structure, in difference plug-in mounting and the valve body, and highly integrate, simple in structure, low cost of manufacture, valve volume is little, the automaticity height, shortened runner, the maintenance of being more convenient for.
Description of drawings
Fig. 1 is the utility model embodiment's a hydraulic principle schematic representation;
Fig. 2 is the utility model embodiment's an equipped schematic representation;
Fig. 3 is the schematic top plan view of Fig. 2;
Fig. 4 is the cross section cross-sectional schematic of A-A direction among Fig. 2;
Fig. 5 is the cross section cross-sectional schematic of B-B direction among Fig. 4.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
To shown in Figure 5, figure grade is described as follows: valve body 1, tapped hole 11, damping 2, filler opening K as Fig. 1, oil return inlet T, output oil port Y, the first control port P, the second control port PT, hydraulicchange-over valve YHF, solenoid directional control valve DHF, shuttle valve SF, one-way valve DF, adjustable restrictive valve NF.
The utility model embodiment, the electric liquid of getting on the bus of mechanically actuated hoist is held concurrently and is grasped rotary control valve, include valve body 1, this valve body 1 is fitted with hydraulicchange-over valve YHF, shuttle valve SF, solenoid directional control valve DHF, one-way valve DF and adjustable restrictive valve NF, valve body 1 is provided with filler opening K, oil return inlet T and output oil port Y, filler opening K is communicated with the pressure port of hydraulicchange-over valve YHF, solenoid directional control valve DHF, and oil return inlet T is communicated with hydraulicchange-over valve YHF return opening, pilot operated directional control valve YHF spring chamber, solenoid directional control valve DHF return opening; And the oil outlet of hydraulicchange-over valve YHF, solenoid directional control valve DHF is communicated with two filler openings of shuttle valve SF respectively, and one-way valve DF, the adjustable restrictive valve NF of the oil outlet of shuttle valve SF through being in parallel is communicated with output oil port Y.
Output oil port Y, one-way valve DF and shuttle valve SF are arranged at the end face of valve body 1, the below that valve body 1 is positioned at output oil port Y is shaped on tapped hole 11, adjustable restrictive valve NF includes at least one damping 2, tapped hole 11 and this damping 2 spin chimeric, and the quantity of the damping 2 that is equipped with is formed also control adjustable restrictive valve NF; All be shaped on reach through hole in the middle of each damping 2, and the liquid through-current capability of the diameter value of these damping 2 reach through holes decision adjustable restrictive valve NF.Adjustable restrictive valve NF and the one-way valve DF of output oil port Y by being in parallel and being provided with adjusts quantity, the reach through hole numerical value of damping 2 according to characteristic, and then improves the matching of entire product, and played quick unlatching and the rotary braking effect of slowly closing.
Filler opening K, oil return inlet T are arranged at the bottom surface of valve body 1, and one-way valve DF, shuttle valve SF cooperate with valve body 1 equal plug-in mounting.Hydraulicchange-over valve YHF, solenoid directional control valve DHF are plugged on valve body 1 left side, and are shaped on the first control port P on the right side of valve body 1, and this first control port P is communicated with the hydraulic control end of hydraulicchange-over valve YHF; Be shaped on the second control port PT on the hydraulicchange-over valve YHF the other end.
Hydraulicchange-over valve YHF, solenoid directional control valve DHF and valve body 1 all adopt plug-in mounting structure, and this hydraulicchange-over valve YHF, solenoid directional control valve DHF all be shaped on screw thread outward, realize being fastenedly connected of each valve and valve body 1 by this screw thread.Hydraulicchange-over valve YHF is a two position three-way valve, and during by spring chamber control hydraulicchange-over valve YHF, the output terminal on this hydraulicchange-over valve YHF is communicated with return opening, and filler opening is in rest position; During by hydraulic control end control hydraulicchange-over valve YHF, the output terminal on this hydraulicchange-over valve YHF is communicated with filler opening, and return opening is in rest position, and fluid continues outwards to export through shuttle valve SF, one-way valve DF and output oil port Y.Solenoid directional control valve DHF also is a two position three-way valve, and the one end is a spring chamber, and the other end is the Electromagnetic Drive end; When controlling this solenoid directional control valve DHF by spring chamber, the output terminal on this solenoid directional control valve DHF is communicated with return opening, and filler opening is in rest position; When controlling this solenoid directional control valve DHF by the Electromagnetic Drive end, the output terminal on this solenoid directional control valve DHF is communicated with filler opening, and return opening is in rest position.
Output oil port Y, one-way valve DF and shuttle valve SF are arranged at the end face of valve body 1, and one-way valve DF, shuttle valve SF cooperate with valve body 1 equal plug-in mounting, and shuttle valve SF all is shaped on screw thread outward, is fastenedly connected by this screw thread and valve body 1; The through-flow end of one-way valve DF is connected with the output terminal of shuttle valve SF, and is connected with output oil port Y by end.
The utility model embodiment's working principle is: constant pressure fluid enters filler opening K, when solenoid directional control valve DHF needs revolution work under must not electric situation, rotary buffering valve oil-feed runner and oil return runner build-up pressure, the just first control port P, the second control port PT build-up pressure, utilize the pressure reduction between the first control port P, the second control port PT and the spring force to open hydraulicchange-over valve YHF, this moment, constant pressure fluid was selected by shuttle valve SF by hydraulicchange-over valve YHF, to output oil port Y, open trainstop by one-way valve DF rapidly.
When system need use when freely turning round, solenoid directional control valve DHF gets electric, and this moment, constant pressure fluid was selected by one-way valve DF to open trainstop rapidly to output oil port Y by shuttle valve SF by solenoid directional control valve DHF.When the revolution end-of-job, when not charged the and hydraulicchange-over valve YHF fluid control pressure of solenoid directional control valve DHF disappears, cut off constant pressure fluid, the pressure oil in the break slowly is discharged into fuel tank from solenoid directional control valve DHF and hydraulicchange-over valve YHF to oil return inlet T by adjustable restrictive valve NF.Guarantee that break slowly brakes.
Pilot operated directional control valve YHF spring chamber is communicated with oil return inlet T, and forms oil return, and the first control port P promptly opens pilot operated directional control valve from filler opening K.Filler opening K provide the people by external system, adopts permanent high pressure fuel source form.
Advantage of the present utility model is: hydraulicchange-over valve, shuttle valve, adjustable damping and one-way valve all adopt the plug-in type structure, in difference plug-in mounting and the valve body, and highly integrate, simple in structure, low cost of manufacture, valve volume is little, automaticity height, shortening runner, the maintenance of being more convenient for.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (10)
1. the electric liquid of getting on the bus of mechanically actuated hoist is held concurrently and is grasped rotary control valve, include valve body (1), this valve body (1) is fitted with hydraulicchange-over valve (YHF), shuttle valve (SF), solenoid directional control valve (DHF), one-way valve (DF) and adjustable restrictive valve (NF), valve body (1) is provided with filler opening (K), return opening (T) and output oil port (Y), it is characterized in that: described filler opening (K) and hydraulicchange-over valve (YHF), the pressure port of solenoid directional control valve (DHF) is communicated with, described return opening (T) and hydraulicchange-over valve (YHF) return opening, pilot operated directional control valve YHF spring chamber, solenoid directional control valve (DHF) return opening is communicated with; And the oil outlet of hydraulicchange-over valve (YHF), solenoid directional control valve (DHF) is communicated with two filler openings of shuttle valve (SF) respectively, and one-way valve (DF), the adjustable restrictive valve (NF) of the oil outlet of shuttle valve (SF) through being in parallel is communicated with output oil port (Y).
2. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 1 is held concurrently and is grasped rotary control valve, it is characterized in that: described hydraulicchange-over valve (YHF), solenoid directional control valve (DHF) all adopt plug-in mounting structure with valve body (1), and all be shaped on screw thread outside this hydraulicchange-over valve (YHF), the solenoid directional control valve (DHF), realize being fastenedly connected of each valve and valve body (1) by this screw thread.
3. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 3 is held concurrently and is grasped rotary control valve, it is characterized in that: described hydraulicchange-over valve (YHF) is a two position three-way valve, during by spring chamber control hydraulicchange-over valve (YHF), output terminal on this hydraulicchange-over valve (YHF) is communicated with return opening, and filler opening is in rest position; During by hydraulic control end control hydraulicchange-over valve (YHF), the output terminal on this hydraulicchange-over valve (YHF) is communicated with filler opening, and return opening is in rest position, and fluid continues through the outwards output of shuttle valve (SF), one-way valve (DF) and output oil port (Y).
4. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 3 is held concurrently and grasped rotary control valve, it is characterized in that: described solenoid directional control valve (DHF) also is two position three-way valve, and the one end is a spring chamber, and the other end is the Electromagnetic Drive end; When controlling this solenoid directional control valve (DHF) by spring chamber, the output terminal on this solenoid directional control valve (DHF) is communicated with return opening, and filler opening is in rest position; When controlling this solenoid directional control valve (DHF) by the Electromagnetic Drive end, the output terminal on this solenoid directional control valve (DHF) is communicated with filler opening, and return opening is in rest position.
5. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 4 is held concurrently and is grasped rotary control valve, it is characterized in that: described valve body (1) is shaped on first control port (P) on the right side, and this first control port (P) is communicated with the hydraulic control end of hydraulicchange-over valve (YHF); Be shaped on second control port (PT) on described hydraulicchange-over valve (YHF) the other end.
6. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 5 is held concurrently and is grasped rotary control valve, and it is characterized in that: described filler opening (K), return opening (T) are arranged at the bottom surface of valve body (1).
7. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 6 is held concurrently and is grasped rotary control valve, it is characterized in that: described output oil port (Y), one-way valve (DF) and shuttle valve (SF) are arranged at the end face of valve body (1), and one-way valve (DF), shuttle valve (SF) cooperate with the equal plug-in mounting of valve body (1), described shuttle valve (SF) is outer all to be shaped on screw thread, is fastenedly connected by this screw thread and valve body (1).
8. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 7 is held concurrently and is grasped rotary control valve, and it is characterized in that: the through-flow end of described one-way valve (DF) is connected with the output terminal of shuttle valve (SF), and is connected with described output oil port (Y) by end.
9. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 8 is held concurrently and is grasped rotary control valve, it is characterized in that: the below that described valve body (1) is positioned at output oil port (Y) is shaped on tapped hole (11), described adjustable restrictive valve (NF) includes at least one damping (2), and described tapped hole (11) spins chimeric with this damping (2).
10. the electric liquid of getting on the bus of mechanically actuated hoist according to claim 9 is held concurrently and is grasped rotary control valve, and it is characterized in that: the quantity of described damping (2) is formed adjustable restrictive valve (NF); All be shaped on reach through hole in the middle of each damping (2), and the liquid through-current capability of the diameter value of this damping (2) reach through hole decision adjustable restrictive valve (NF).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201152475U CN201661537U (en) | 2010-02-11 | 2010-02-11 | Upper electro-hydraulic integrating operation rotary control valve of mechanical crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201152475U CN201661537U (en) | 2010-02-11 | 2010-02-11 | Upper electro-hydraulic integrating operation rotary control valve of mechanical crane |
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| Publication Number | Publication Date |
|---|---|
| CN201661537U true CN201661537U (en) | 2010-12-01 |
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|---|---|---|---|
| CN2010201152475U Expired - Lifetime CN201661537U (en) | 2010-02-11 | 2010-02-11 | Upper electro-hydraulic integrating operation rotary control valve of mechanical crane |
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| CN (1) | CN201661537U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769275A (en) * | 2010-02-11 | 2010-07-07 | 卢宇 | Upper structure electro-hydraulic rotary control valve of mechanical operation crane |
| CN102501844A (en) * | 2011-11-07 | 2012-06-20 | 中国煤炭科工集团太原研究院 | Hydraulic braking control device |
| CN104165166A (en) * | 2014-07-30 | 2014-11-26 | 株洲中研流体技术有限公司 | Compact-type telescopic oil cylinder changeover valve set |
| CN107091338A (en) * | 2017-05-26 | 2017-08-25 | 湖南凯恩利液压机械制造有限公司 | A kind of shuttle valve, hydraulic system and plant equipment |
-
2010
- 2010-02-11 CN CN2010201152475U patent/CN201661537U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769275A (en) * | 2010-02-11 | 2010-07-07 | 卢宇 | Upper structure electro-hydraulic rotary control valve of mechanical operation crane |
| CN101769275B (en) * | 2010-02-11 | 2014-06-25 | 卢宇 | Upper structure electro-hydraulic rotary control valve of mechanical operation crane |
| CN102501844A (en) * | 2011-11-07 | 2012-06-20 | 中国煤炭科工集团太原研究院 | Hydraulic braking control device |
| CN104165166A (en) * | 2014-07-30 | 2014-11-26 | 株洲中研流体技术有限公司 | Compact-type telescopic oil cylinder changeover valve set |
| CN104165166B (en) * | 2014-07-30 | 2016-08-24 | 株洲中研流体技术有限公司 | A kind of compact telescopic oil cylinder switching valve group |
| CN107091338A (en) * | 2017-05-26 | 2017-08-25 | 湖南凯恩利液压机械制造有限公司 | A kind of shuttle valve, hydraulic system and plant equipment |
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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: Ningbo Jiangbei Yuzhou Hydraulic Equipment Factory Assignor: Lu Yu Contract record no.: 2011330000285 Denomination of utility model: Upper structure electro-hydraulic rotary control valve of mechanical operation crane Granted publication date: 20101201 License type: Exclusive License Record date: 20110415 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |
|
| CX01 | Expiry of patent term |