CN101704480B - Mounting electrically and hydraulically operated rotation control valve for hydraulically-controlled crane - Google Patents
Mounting electrically and hydraulically operated rotation control valve for hydraulically-controlled crane Download PDFInfo
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- CN101704480B CN101704480B CN2009101541456A CN200910154145A CN101704480B CN 101704480 B CN101704480 B CN 101704480B CN 2009101541456 A CN2009101541456 A CN 2009101541456A CN 200910154145 A CN200910154145 A CN 200910154145A CN 101704480 B CN101704480 B CN 101704480B
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Abstract
The present invention discloses a mounting electrically and hydraulically operated rotation control valve for a hydraulically-controlled crane, which comprises a valve body output oil port connected with a one-way valve and an adjustable throttling valve arranged in parallel, wherein the other end of the one-way valve and the other end of the adjustable throttling valve are connected with an output end of a first shuttle valve; two input ends of the first shuttle valve are independently connected with an output end of a hydraulically-controlled reversing valve and the output end of an electromagnetic reversing valve respectively; a spring return control cavity of the hydraulically-controlled reversing valve is connected with a first oil return port while a hydraulic control cavity of the hydraulically-controlled reversing valve is connected with the output end of a second shuttle valve; and two input ends of the second shuttle valve are connected with a first control oil port and a second control oil port respectively. Damping is adjusted according to characteristics so as to improve the matching performance of an overall product and achieve rotation braking effects of rapid opening and slow closing; moreover, the hydraulically-controlled reversing valve and the electromagnetic reversing valve are arranged at the same time, which realizes an electromagnetic control way and an hydraulic control way exist on a structure on the same time, so the structure is rational and the operational reliability is high.
Description
Technical field
The present invention relates to the technical field of automobile-used hydrovalve, particularly a kind of electric liquid of getting on the bus of hydraulic control hoist is held concurrently and is 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, and it 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, so comparatively meet present market orientation.
Summary of the invention
Technical problem to be solved by this invention is the present situation at prior art, provides a kind of reasonable in design, compact structure, the manipulation reliability is high and have quick unlatching, the electric liquid of getting on the bus of slowly closing the hydraulic control hoist of rotary braking effect is held concurrently behaviour's rotary control valve.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: a kind of electric liquid of getting on the bus of hydraulic control hoist is held concurrently and is grasped rotary control valve, comprise valve body, be fitted with hydraulicchange-over valve, first shuttle valve, second shuttle valve, solenoid directional control valve, one-way valve and adjustable restrictive valve on this valve body, also be shaped on first filler opening, first return opening, first control port, second control port and output oil port on the valve body; Output oil port is connected with an end of the one-way valve that is arranged in parallel, an end of adjustable restrictive valve respectively, and this one-way valve the other end, the adjustable restrictive valve the other end are connected with the output terminal of first shuttle valve simultaneously; Two input ends of first shuttle valve and hydraulicchange-over valve output terminal, solenoid directional control valve output terminal be separate connection respectively; Be shaped on second filler opening, second return opening on the hydraulicchange-over valve, solenoid directional control valve is shaped on the 3rd filler opening, the 3rd return opening; The hydraulicchange-over valve filler opening is connected with the solenoid directional control valve filler opening, and also is connected with filler opening on the valve body; Correspondingly, second return opening is connected with the 3rd return opening, and also is connected with first return opening; The hydraulicchange-over valve two ends are shaped on spring reset control chamber and hydraulic control chamber, and the spring reset control chamber of hydraulicchange-over valve is connected with first return opening, and the hydraulic control chamber of this hydraulicchange-over valve is connected with the output terminal of second shuttle valve; Two input ends of second shuttle valve are connected with first control port, second control port respectively.
The measure of taking also comprises:
The part that is positioned at the output oil port below on the above-mentioned valve body is shaped on tapped hole, and above-mentioned adjustable restrictive valve includes at least one damping, and tapped hole and this damping spin chimeric, the damping control adjustable restrictive valve that is equipped with; All be shaped on reach through hole in the middle of each above-mentioned damping, and the liquid through-current capability of the reach through hole diameter value of this damping decision adjustable restrictive valve.
The through-flow end of above-mentioned one-way valve is connected with the output terminal of first shuttle valve, and is connected by holding with above-mentioned output oil port; The first above-mentioned control port, second control port are positioned at the front of valve body, the upper surface of above-mentioned valve body is shaped on the first standby control port, this first standby control port is connected with above-mentioned first control port, and the port sealing of this first standby control port is fitted with plug screw.
The lower surface of above-mentioned valve body is shaped on the second standby control port, and this second standby control port is connected with above-mentioned second control port, and the port of this second standby control port also seals and is fitted with plug screw.
Above-mentioned valve body lower surface is equipped with second shuttle valve, filler opening and return opening, and this second shuttle valve, filler opening and return opening be in line side by side, and wherein above-mentioned return opening is positioned at the intermediate portion; Correspondingly, above-mentioned valve body upper surface is equipped with first shuttle valve, one-way valve, adjustable restrictive valve and output oil port, and this one-way valve, output oil port and the second standby control port is in line side by side, and wherein output oil port is positioned at the intermediate portion; Above-mentioned hydraulicchange-over valve, solenoid directional control valve are positioned at side of valve body.
Above-mentioned hydraulicchange-over valve, solenoid directional control valve, first shuttle valve, second shuttle valve and valve body all adopt plug-in mounting structure, and this hydraulicchange-over valve, solenoid directional control valve, first shuttle valve, second shuttle valve all are 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 reset control 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 chamber 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 first shuttle valve, one-way valve and output oil port.
Above-mentioned solenoid directional control valve is a two position three-way valve, and the one end is the spring reset end, and the other end is the Electromagnetic Drive end; When controlling this solenoid directional control valve by the spring reset end, 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.
Compared with prior art, the present invention includes valve body, be fitted with hydraulicchange-over valve, first shuttle valve, second shuttle valve, solenoid directional control valve, one-way valve and adjustable restrictive valve on this valve body, also be shaped on first filler opening, first return opening, first control port, second control port and output oil port on the valve body; Output oil port is connected with an end of the one-way valve that is arranged in parallel, an end of adjustable restrictive valve respectively, and this one-way valve the other end, the adjustable restrictive valve the other end are connected with the output terminal of first shuttle valve simultaneously; Two input ends of first shuttle valve and hydraulicchange-over valve output terminal, solenoid directional control valve output terminal be separate connection respectively; Be shaped on second filler opening, second return opening on the hydraulicchange-over valve, solenoid directional control valve is shaped on the 3rd filler opening, the 3rd return opening; The hydraulicchange-over valve filler opening is connected with the solenoid directional control valve filler opening, and also is connected with filler opening on the valve body; Correspondingly, second return opening is connected with the 3rd return opening, and also is connected with first return opening; The hydraulicchange-over valve two ends are shaped on spring reset control chamber and hydraulic control chamber, and the spring reset control chamber of hydraulicchange-over valve is connected with first return opening, and the hydraulic control chamber of this hydraulicchange-over valve is connected with the output terminal of second shuttle valve; Two input ends of second shuttle valve are connected with first control port, second control port respectively.The invention has the advantages that: adjustable restrictive valve and the one-way valve of output oil port by being in parallel and being provided with, adjust quantity, the reach through hole numerical value of damping according to characteristic, and then improve the matching of entire product and play quick unlatching and the rotary braking effect of slowly closing; Dispose hydraulicchange-over valve, solenoid directional control valve simultaneously, structurally simultaneously and deposited the Electromagnetic Control mode and the dual mode of the control of surging, it is rational in infrastructure, and handles the reliability height; In daily using process, generally adopt the Electromagnetic Control mode, so standby when hydraulicchange-over valve is got rid of as fault, it is thorough that its design is gone up; Adopt the inserting screw thread mode that spins between valve body and the valve member, its compact overall structure, volume is little.
Description of drawings
Fig. 1 is the hydraulic principle schematic representation of the embodiment of the invention;
Fig. 2 is an embodiment of the invention structure front schematic view;
Fig. 3 is the schematic top plan view of Fig. 2;
Fig. 4 is the generalized section of A-A among Fig. 2;
Fig. 5 is the generalized section of B-B among Fig. 4.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
To shown in Figure 5, figure grade is described as follows: valve body 1, tapped hole 11 as Fig. 1, damping 2, the first control port a, the first standby control port a1, the second control port b, the second standby control port b1, one-way valve DF, solenoid directional control valve DHF, adjustable restrictive valve NF, the first shuttle valve SF1, the second shuttle valve SF2, oil inlet P, oil return inlet T, output oil port Y, hydraulicchange-over valve YHF.
The embodiment of the invention, a kind of electric liquid of getting on the bus of hydraulic control hoist is held concurrently and is grasped rotary control valve, comprise valve body 1, be fitted with hydraulicchange-over valve YHF, the first shuttle valve SF1, the second shuttle valve SF2, solenoid directional control valve DHF, one-way valve DF and adjustable restrictive valve NF on this valve body 1, also be shaped on first oil inlet P, first oil return inlet T, the first control port a, the second control port b and output oil port Y on the valve body 1; Output oil port Y is connected with the end of the one-way valve DF that is arranged in parallel, the end of adjustable restrictive valve NF respectively, and this one-way valve DF the other end, the adjustable restrictive valve NF the other end are connected with the output terminal of the first shuttle valve SF1 simultaneously; Two input ends of the first shuttle valve SF1 and hydraulicchange-over valve YHF output terminal, solenoid directional control valve DHF output terminal be separate connection respectively; Be shaped on second filler opening, second return opening on the hydraulicchange-over valve YHF, solenoid directional control valve DHF is shaped on the 3rd filler opening, the 3rd return opening; Hydraulicchange-over valve YHF filler opening is connected with solenoid directional control valve DHF filler opening, and also is connected with oil inlet P on the valve body 1; Correspondingly, second return opening is connected with the 3rd return opening, and also is connected with first oil return inlet T; Hydraulicchange-over valve YHF two ends are shaped on spring reset control chamber and hydraulic control chamber, and the spring reset control chamber of hydraulicchange-over valve YHF is connected with first oil return inlet T, and the hydraulic control chamber of this hydraulicchange-over valve YHF is connected with the output terminal of the second shuttle valve SF2; Two input ends of the second shuttle valve SF2 are connected with the first control port a, the second control port b respectively.
Present embodiment is achieved in that the part that is positioned at output oil port Y below on the valve body 1 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, the described adjustable restrictive valve NF of damping 2 controls that is equipped with; All be shaped on reach through hole in the middle of each damping 2, and the liquid through-current capability of the reach through hole diameter value of this damping 2 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 play quick unlatching and the rotary braking effect of slowly closing.
The through-flow end of one-way valve DF is connected with the output terminal of the first shuttle valve SF1, and is connected with output oil port Y by end; The first control port a, the second control port b are positioned at the front of valve body 1, the upper surface of valve body 1 is shaped on the first standby control port a1, this first standby control port a1 is connected with the first control port a, and the port sealing of this first standby control port a1 is fitted with plug screw.
The lower surface of valve body 1 is shaped on the second standby control port b1, and this second standby control port b1 is connected with the described second control port b, and the port of this second standby control port b1 also seals and is fitted with plug screw.
Valve body 1 lower surface is equipped with the second shuttle valve SF2, oil inlet P and oil return inlet T, and this second shuttle valve SF2, oil inlet P and oil return inlet T be in line side by side, and wherein oil return inlet T is positioned at the intermediate portion; Correspondingly, valve body 1 upper surface is equipped with the first shuttle valve SF1, one-way valve DF, adjustable restrictive valve NF and output oil port Y, and this one-way valve DF, output oil port Y and the second standby control port b1 be in line side by side, and wherein output oil port Y is positioned at the intermediate portion; Hydraulicchange-over valve YHF, solenoid directional control valve DHF are positioned at the side of valve body 1.
Hydraulicchange-over valve YHF, solenoid directional control valve DHF, the first shuttle valve SF1, the second shuttle valve SF2 and valve body 1 all adopt plug-in mounting structure, and this hydraulicchange-over valve YHF, solenoid directional control valve DHF, the first shuttle valve SF1, the second shuttle valve SF2 all are shaped on screw thread outward, realize being fastenedly connected of each valve and valve body by this screw thread.Dispose hydraulicchange-over valve YHF, solenoid directional control valve DHF simultaneously, structurally simultaneously and deposited the Electromagnetic Control mode and the dual mode of the control of surging, it is rational in infrastructure, and handles the reliability height; In daily using process, generally adopt the Electromagnetic Control mode, so standby when hydraulicchange-over valve YHF gets rid of as fault, it is thorough that its design is gone up.Adopt the inserting screw thread mode that spins between valve body and the valve member, its compact overall structure, volume is little.
Hydraulicchange-over valve YHF is a two position three-way valve, and during by spring reset control 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 chamber 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 the first shuttle valve SF1, one-way valve DF and output oil port Y.
Solenoid directional control valve DHF is a two position three-way valve, and the one end is the spring reset end, and the other end is the Electromagnetic Drive end; When controlling this solenoid directional control valve DHF by the spring reset end, 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.
The invention has the advantages that: adjustable restrictive valve and the one-way valve of output oil port by being in parallel and being provided with, adjust quantity, the reach through hole numerical value of damping according to characteristic, and then improve the matching of entire product and play quick unlatching and the rotary braking effect of slowly closing; Dispose hydraulicchange-over valve, solenoid directional control valve simultaneously, structurally simultaneously and deposited the Electromagnetic Control mode and the dual mode of the control of surging, it is rational in infrastructure, and handles the reliability height; In daily using process, generally adopt the Electromagnetic Control mode, so standby when hydraulicchange-over valve is got rid of as fault, it is thorough that its design is gone up; Adopt the inserting screw thread mode that spins between valve body and the valve member, its compact overall structure, volume is little.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (8)
1. the electric liquid of getting on the bus of a hydraulic control hoist is held concurrently and is grasped rotary control valve, comprise valve body (1), be fitted with hydraulicchange-over valve (YHF), first shuttle valve (SF1), second shuttle valve (SF2), solenoid directional control valve (DHF), one-way valve (DF) and adjustable restrictive valve (NF) on this valve body (1), also be shaped on first filler opening (P), first return opening (T), first control port (a), second control port (b) and output oil port (Y) on the described valve body (1); It is characterized in that: described output oil port (Y) is connected with an end of the one-way valve (DF) that is arranged in parallel, an end of adjustable restrictive valve (NF) respectively, and this one-way valve (DF) the other end, adjustable restrictive valve (NF) the other end are connected with the output terminal of described first shuttle valve (SF1) simultaneously; Two input ends of described first shuttle valve (SF1) and hydraulicchange-over valve (YHF) output terminal, solenoid directional control valve (DHF) output terminal be separate connection respectively; Be shaped on second filler opening, second return opening on the described hydraulicchange-over valve (YHF), described solenoid directional control valve (DHF) is shaped on the 3rd filler opening, the 3rd return opening; Described hydraulicchange-over valve (YHF) filler opening is connected with solenoid directional control valve (DHF) filler opening, and also is connected with filler opening (P) on the valve body (1); Correspondingly, described second return opening is connected with the 3rd return opening, and also is connected with first return opening (T); Described hydraulicchange-over valve (YHF) two ends are shaped on spring reset control chamber and hydraulic control chamber, the spring reset control chamber of described hydraulicchange-over valve (YHF) is connected with first return opening (T), and the hydraulic control chamber of this hydraulicchange-over valve (YHF) is connected with the output terminal of described second shuttle valve (SF2); Two input ends of described second shuttle valve (SF2) are connected with first control port (a), second control port (b) respectively.
2. the electric liquid of getting on the bus of a kind of hydraulic control hoist according to claim 1 is held concurrently and is grasped rotary control valve, it is characterized in that: the part that is positioned at output oil port (Y) below on the described valve body (1) is shaped on tapped hole (11), described adjustable restrictive valve (NF) includes at least one damping (2), described tapped hole (11) and this damping (2) spin chimeric, and described adjustable restrictive valve (NF) is controlled in the damping that is equipped with (2); All be shaped on reach through hole in the middle of each described damping (2), and the liquid through-current capability of the reach through hole diameter value of this damping (2) decision adjustable restrictive valve (NF).
3. the electric liquid of getting on the bus of a kind of hydraulic control hoist according to claim 2 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 first shuttle valve (SF1), and is connected with described output oil port (Y) by end; Described first control port (a), second control port (b) are positioned at the front of valve body (1), the upper surface of described valve body (1) is shaped on the first standby control port (a1), this first standby control port (a1) is connected with described first control port (a), and the port sealing of this first standby control port (a1) is fitted with plug screw.
4. the electric liquid of getting on the bus of a kind of hydraulic control hoist according to claim 3 is held concurrently and is grasped rotary control valve, it is characterized in that: the lower surface of described valve body (1) is shaped on the second standby control port (b1), this second standby control port (b1) is connected with described second control port (b), and the port of this second standby control port (b1) also seals and is fitted with plug screw.
5. the electric liquid of getting on the bus of a kind of hydraulic control hoist according to claim 4 is held concurrently and is grasped rotary control valve, it is characterized in that: described valve body (1) lower surface is equipped with second shuttle valve (SF2), filler opening (P) and return opening (T), and this second shuttle valve (SF2), filler opening (P) and return opening (T) are in line side by side, and wherein said return opening (T) is positioned at the intermediate portion; Correspondingly, described valve body (1) upper surface is equipped with first shuttle valve (SF1), one-way valve (DF), adjustable restrictive valve (NF) and output oil port (Y), and this one-way valve (DF), output oil port (Y) and the second standby control port (b1) are in line side by side, and wherein said output oil port (Y) is positioned at the intermediate portion; Described hydraulicchange-over valve (YHF), solenoid directional control valve (DHF) are positioned at the side of valve body (1).
6. the electric liquid of getting on the bus of a kind of hydraulic control hoist according to claim 5 is held concurrently and is grasped rotary control valve, it is characterized in that: described hydraulicchange-over valve (YHF), solenoid directional control valve (DHF), first shuttle valve (SF1), second shuttle valve (SF2) all adopt plug-in mounting structure with valve body (1), and all be shaped on screw thread outside this hydraulicchange-over valve (YHF), solenoid directional control valve (DHF), first shuttle valve (SF1), second shuttle valve (SF2), realize being fastenedly connected of each valve and valve body by this screw thread.
7. the electric liquid of getting on the bus of a kind of hydraulic control hoist according to claim 6 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 reset control 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 chamber 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 first shuttle valve (SF1), one-way valve (DF) and output oil port (Y).
8. the electric liquid of getting on the bus of a kind of hydraulic control hoist according to claim 6 is held concurrently and is grasped rotary control valve, and it is characterized in that: described solenoid directional control valve (DHF) is a two position three-way valve, and the one end is the spring reset end, and the other end is the Electromagnetic Drive end; When controlling this solenoid directional control valve (DHF) by the spring reset end, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101541456A CN101704480B (en) | 2009-11-05 | 2009-11-05 | Mounting electrically and hydraulically operated rotation control valve for hydraulically-controlled crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101541456A CN101704480B (en) | 2009-11-05 | 2009-11-05 | Mounting electrically and hydraulically operated rotation control valve for hydraulically-controlled crane |
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| Publication Number | Publication Date |
|---|---|
| CN101704480A CN101704480A (en) | 2010-05-12 |
| CN101704480B true CN101704480B (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101541456A Active CN101704480B (en) | 2009-11-05 | 2009-11-05 | Mounting electrically and hydraulically operated rotation control valve for hydraulically-controlled crane |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769275B (en) * | 2010-02-11 | 2014-06-25 | 卢宇 | Upper structure electro-hydraulic rotary control valve of mechanical operation crane |
| CN105332965B (en) * | 2015-11-26 | 2017-05-17 | 张家港力勤机械有限公司 | Control valve block in hydraulic oil way driving mixing head of foaming machine |
| CN106629396B (en) * | 2016-12-23 | 2018-05-18 | 徐州重型机械有限公司 | A kind of crane electro-hydraulic joint speed governing rotary system and control method |
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