CN202658513U - Vibration control valve device - Google Patents
Vibration control valve device Download PDFInfo
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- CN202658513U CN202658513U CN2012201275900U CN201220127590U CN202658513U CN 202658513 U CN202658513 U CN 202658513U CN 2012201275900 U CN2012201275900 U CN 2012201275900U CN 201220127590 U CN201220127590 U CN 201220127590U CN 202658513 U CN202658513 U CN 202658513U
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- valve
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- direction sliding
- vibration control
- vibration
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Abstract
The utility model discloses a vibration control valve device which comprises a valve body and a direction slide valve arranged in the valve body. A working port return oil throttling groove is arranged on a valve rod of the direction slide valve, and a first damping hole and a second damping hole are arranged on control oil channels at two ends of the valve rod of the direction slide valve respectively. The direction slide valve is provided with a resetting mechanism, the valve rod of the direction slide valve moves to a middle position through the resetting mechanism when the vibration control valve stops vibrating due to outage. Along with moving of the valve rod, vibration motor return oil back pressure of a working port of the vibration control valve is gradually increased, so that a vibration motor slows down and stops finally. The vibration control valve device can effectively reduce vibration stopping time, avoids resonance of a cab, and improves comfortableness of a driver.
Description
Technical field
The utility model belongs to mechanical equipment technical field, relates to a kind of vibration isolation valve gear, relates in particular to a kind of vibration isolation valve gear that can be used for the hydraulic vibration road roller.
Background technology
At present, the hydraulic vibration road roller adopts is that fluid motor-driven is built in the eccentric block rotation of steel wheel inside and produces vibration and carry out compacting operation.From start to finish, motor output shaft and eccentric block axis of rotation keep the mechanical attachment state always, and when this just meaned failure of oscillation, because the rotating eccentricity piece, motor inertia was larger.The driving of hydraulic motor is finished by hydraulic pump.In the constant displacement pump vibrational system, motor rotation, parking and change direction of rotation are controlled by the vibration control valve that is installed on the road roller frame.
Yet, because existing vibration control valve adopts the combination of Y type Median Function 3-position 4-way solenoid operated directional valve and industrial two-way plug-in valve as starting of oscillation and failure of oscillation control, or adopt 3-position 4-way Y type Median Function electro-hydraulic reversing valve as starting of oscillation and failure of oscillation control.When operating vibration control valve dead electricity failure of oscillation, hydraulic pump to the oil supply gallery of hydraulic motor is cut off by vibration control valve, two actuator ports of hydraulic motor are connected by control valve and system oil return simultaneously, and then make eccentric block be decelerated to gradually parking with motor under the effect of mechanical friction power, so down time is longer; Thereby cause in the failure of oscillation process, it is too slow that the steel wheeled vibratory frequency is crossed the excited frequency band of driver's cabin, causes the resonance of driver's cabin.This will produce damaging influence and the reliability that threatens electrical system to driver's cabin and frame, be harmful to the healthy of operating personnel.
In view of this, nowadays in the urgent need to designing a kind of vibration isolation valve gear that can reduce the failure of oscillation time, avoid driver's cabin resonance.
The utility model content
Technical problem to be solved in the utility model is: a kind of vibration isolation valve gear is provided, can reduces the failure of oscillation time, thereby avoid driver's cabin resonance.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of vibration isolation valve gear, described vibration isolation valve gear comprises: valve body, and be arranged at the interior direction sliding valve of this valve body;
Valve rod at direction sliding valve arranges working hole meter out groove, and on the control oil duct at the valve rod two ends of direction sliding valve the first damping hole, the second damping hole is set respectively;
Described direction sliding valve is provided with resetting-mechanism, and the direction sliding valve valve rod moves to meta by resetting-mechanism when operating vibration control valve dead electricity failure of oscillation; Along with the movement of valve rod, the vibrating motor return oil pressure of vibration control valve working hole increases gradually, so that vibrating motor slows down and finally stops.
As a kind of preferred version of the present utility model, be processed with two in order to the undercut groove of fluid overcurrent on the described direction sliding valve valve rod, each undercut groove all has two in order to the shaft shoulder of control port passage break-make, and each undercut groove communicates with corresponding working hole.Undercut groove plays the effect of fluid overcurrent, and the shaft shoulder plays the on-off action of hydraulic fluid port passage.
Particularly, described direction sliding valve is the spring reset three-position valve, and its valve rod is provided with two undercut grooves, the valve rod position that mediates under the effect of back-moving spring; Each undercut groove communicates with corresponding working hole, each undercut groove all has two shaft shoulders, the on-off of one of them shaft shoulder control relevant work mouth and vibration control valve oil-in, another shaft shoulder is then controlled the disconnected or logical of this working hole and vibration control valve oil return opening, and working hole meter out groove is located on the shaft shoulder of control working hole and vibration control valve oil return opening break-make.
As a kind of preferred version of the present utility model, described vibration isolation valve gear also comprises logic valve, the first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve, the some damping holes that is arranged in the described valve body;
Described logic valve, direction sliding valve, the first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve interconnect.
As a kind of preferred version of the present utility model, described logic valve, the first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve, damping hole link to each other, and form unloading electromagnetic valve; The first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve, direction sliding valve link to each other, and form electro-hydraulic reversing valve.
As a kind of preferred version of the present utility model, described vibration control valve comprises the first damping hole, the second damping hole; The interface channel of two ports of described direction sliding valve arranges respectively described the first damping hole, the second damping hole;
The valve rod two ends of described direction sliding valve are equipped with the first back-moving spring, the second back-moving spring; The position switching of direction sliding valve is controlled by the first back-moving spring, the second back-moving spring, the first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve and the reversal valve at its valve rod two ends;
As a kind of preferred version of the present utility model, described vibration control valve also comprises reversal valve, safety valve;
The oil return opening of described safety valve communicates with the oil return opening of vibration control valve;
The working hole of described reversal valve communicates with direction sliding valve valve rod first end by the first damping hole; The oil return opening of reversal valve communicates with the oil return opening of vibration control valve.
As a kind of preferred version of the present utility model, described logic valve place is provided with the 3rd damping hole, filter screen, the 3rd back-moving spring, and the oil-feed of logic valve spring cavity communicates with the oil-in of vibration control valve by the 3rd damping hole and filter screen;
Logic valve spool one end is equipped with the 3rd back-moving spring, and the other end of logic valve spool communicates with the oil-in of logic valve;
The logic valve oil-in communicates with the oil-in of vibration control valve; The logic valve oil-out communicates with the vibration control valve oil return opening;
The oil-feed of logic valve spring cavity communicates with the oil-in of vibration control valve by the 3rd damping hole and filter screen; The logic valve spring cavity is fuel-displaced to communicate with the oil-in of the first thread cartridge electromagnetic valve, the oil-in of safety valve, the oil-in of reversal valve by vibration control valve valve inner oil duct simultaneously.
As a kind of preferred version of the present utility model, the 3rd back-moving spring chamber draining passage of logic valve, the first back-moving spring chamber drainback passage of direction sliding valve are closed simultaneously when the first thread cartridge electromagnetic valve gets electric starting of oscillation, and are communicated with the oil-in of vibration control valve by the 3rd damping hole and filter screen; The second back-moving spring chamber of direction sliding valve valve rod then communicates with the oil return opening of vibration control valve by the inner passage; When logic valve was closed under the effect of the 3rd back-moving spring gradually, the direction sliding valve valve rod overcame its second back-moving spring and switches to gradually the vibration working position under the effect of its two ends pressure reduction.
As a kind of preferred version of the present utility model, described reversal valve is two position three way directional control valve.
As a kind of preferred version of the present utility model, the import of described the second thread cartridge electromagnetic valve communicates with the control mouth of reversal valve by the valve inner oil duct; Simultaneously, the import of the second thread cartridge electromagnetic valve communicates with the second end of direction sliding valve valve rod by valve inner oil duct and the second damping hole; The outlet of the second thread cartridge electromagnetic valve with communicate with the oil return opening of vibration control valve by inner oil duct.
The beneficial effects of the utility model are: the vibration isolation valve gear that the utility model proposes, and can effectively reduce the failure of oscillation time and then avoid driver's cabin resonance, improve driver's comfortableness.
The utility model can effectively shorten the failure of oscillation time and make the steel wheeled vibratory frequency cross fast the driver's cabin resonance frequency, effectively avoids the generation of driver's cabin covibration in the failure of oscillation process.In order to guarantee the vibrating motor life-span, avoid producing too soon too high vibrating motor return pressure impact owing to the direction sliding valve valve rod resets, in the control fluid oil duct of valve rod end, be provided with damping hole, return the time of meta with the extending direction valve link, reduce the motor return pressure and impact.
Description of drawings
Fig. 1 is the hydraulic schematic diagram of the utility model vibration isolation valve gear.
Fig. 2 is the actual measurement failure of oscillation curve map of the utility model vibration isolation valve gear.
Fig. 3 is the hydraulic schematic diagram of vibration control valve among the embodiment two.
Fig. 4 is the utility model direction sliding valve stem structure schematic diagram.
The accompanying drawing mark is as follows:
1. valve body 2. first damping holes 3. first back-moving springs
4. direction sliding valve 5. second back-moving springs 6. second damping holes
7. two position three way directional control valve 8. safety valves 9. logic valves
10. the 3rd back-moving spring 11. filter screens 12. the 3rd damping hole
13. the first thread cartridge electromagnetic valve 14. second thread cartridge electromagnetic valves
201. valve body 202. first damping holes 203. first back-moving springs
204. direction sliding valve 205. second back-moving springs 206. second damping holes
207. thread cartridge electromagnetic valve 208. safety valves 209. logic valves
210. the 3rd back-moving spring 211. filter screens 212. the 3rd damping hole
A1. the first shaft shoulder A2. the second shaft shoulder A3. the 3rd shaft shoulder
A4. the 4th shaft shoulder R1. the first meter out groove R2. the second meter out groove
The specific embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, the utility model has disclosed a kind of vibration isolation valve gear, described vibration isolation valve gear comprises: valve body 1, and be integrated in logic valve 9, direction sliding valve 4, safety valve 8, reversal valve 7 (the present embodiment is two position three way directional control valve 7), the first thread cartridge electromagnetic valve 13, the second thread cartridge electromagnetic valve 14, some damping holes 2,6,12 in this valve body 1.Logic valve 9, direction sliding valve 4, the first thread cartridge electromagnetic valve 13, the second thread cartridge electromagnetic valve 14, safety valve 8, two position three way directional control valve 7 consist of starting of oscillation, failure of oscillation control loop (wherein, logic valve 9, direction sliding valve 4, the first thread cartridge electromagnetic valve 13, the second thread cartridge electromagnetic valve 14, damping hole etc. are integrated in the monolithic valve body 1, consist of the starting of oscillation control loop).
See also Fig. 4, in the present embodiment, at the valve rod of direction sliding valve 4 working hole the first meter out groove R1 and the second meter out groove R2 are set, each undercut groove communicates with corresponding working hole.Each undercut groove all has two shaft shoulders, that is, the first meter out groove R1 is located at the first shaft shoulder A1, and the second meter out groove R2 is located at the second shaft shoulder A2.Meter out groove R1, R2 play working hole meter out effect, and shaft shoulder A1, A3, A2, A4 play the on-off action of control port passage.Particularly, a shaft shoulder of undercut groove is controlled the on-off of relevant work mouth and vibration control valve oil-in, another shaft shoulder is then controlled the disconnected or logical of this working hole and vibration control valve oil return opening, and working hole meter out groove is located on the shaft shoulder of control working hole and vibration control valve oil return opening break-make.Simultaneously, on the control oil duct at the valve rod two ends of direction sliding valve 4, the first damping hole 2, the second damping hole 6 are set respectively.
Described direction sliding valve 4 is provided with resetting-mechanism, and direction sliding valve 4 valve rods move to meta by resetting-mechanism when operating vibration control valve dead electricity failure of oscillation; Along with the movement of valve rod, the vibrating motor return oil pressure of vibration control valve working hole increases gradually owing to the throttling action of the first meter out groove R1 or the second meter out groove R2, so that vibrating motor slows down and finally stops.Described resetting-mechanism comprises the first back-moving spring 3, the second back-moving spring 5.In the present embodiment, described direction sliding valve is the spring reset three-position valve, the valve rod position that mediates under the effect of back-moving spring.
Described logic valve 9 places are provided with the 3rd damping hole 12, filter screen 11, the 3rd back-moving spring 10.
Particularly, logic valve 9 spools one end is equipped with the 3rd back-moving spring 10, and spring force is very little, and opening pressure is 1.7bar; And the other end of logic valve 9 spools communicates with the oil-in of logic valve 9.Logic valve 9 oil-ins communicate with the oil inlet P of vibration control valve; Logic valve 9 oil-outs communicate with the vibration control valve oil return inlet T.Logic valve 9 spring cavity oil-feeds communicate with the vibration control valve oil inlet P by the 3rd damping hole 12 and filter screen 11; Logic valve 9 spring cavitys are fuel-displaced to communicate with the oil-in of the first thread cartridge electromagnetic valve 13, the oil-in of safety valve 8, the oil-in of two position three way directional control valve 7 by vibration control valve valve inner oil duct simultaneously.The oil return opening of safety valve 8 communicates with the oil return inlet T of vibration control valve.
The working hole of two position three way directional control valve 7 communicates by the first end of the first damping hole 2 with direction sliding valve 4 valve rods; Two position three way directional control valve 7 oil return openings communicate with the vibration control valve oil return inlet T.The import of the second thread cartridge electromagnetic valve 14 communicates with the control mouth of two position three way directional control valve 7 by vibration isolation valve body 1 inner oil duct; Simultaneously, the import of the second thread cartridge electromagnetic valve 14 also communicates with the second end of direction sliding valve 4 valve rods by valve body 1 inner oil duct and second damping hole 6 of vibration control valve.The outlet of the second thread cartridge electromagnetic valve 14 with communicate with the oil return inlet T of vibration control valve by inner oil duct.
The interface channel of two ports of described direction sliding valve 4 arranges respectively described the first damping hole 2, the second damping hole 6.The valve rod two ends of direction sliding valve 4 are equipped with the first back-moving spring 3, the second back-moving spring 5.The position switching of direction sliding valve 4 is controlled by the first back-moving spring 3, the second back-moving spring 5, the first thread cartridge electromagnetic valve 13, the second thread cartridge electromagnetic valve 14 and the two position three way directional control valve 7 at its valve rod two ends.
When thread cartridge electromagnetic valve 13 gets electric starting of oscillation, the first back-moving spring 3 chamber drainback passages of logic valve 9 the 3rd back-moving spring 10 chamber draining passages and direction sliding valve 4 are closed simultaneously, and communicate with the oil inlet P of vibration control valve by the 3rd damping hole 12 and filter screen 11.The second back-moving spring 5 chambeies of direction sliding valve 4 valve rods then communicate with the oil return inlet T of vibration control valve by the inner passage.Therefore, when logic valve 9 was closed under the effect of the 3rd back-moving spring 10 gradually, direction sliding valve 4 valve rods overcame the second back-moving spring 5 and switch to gradually the vibration working position under the effect of its two ends pressure reduction.
In the switching of direction sliding valve 4 valve rods and logic valve 9 closing process, the 3rd back-moving spring 10 chamber volumes of the first back-moving spring 3 chambeies of direction sliding valve 4 and logic valve 9 increase, can consume certain flow, and this part flow is to come from the vibration control valve import by damping hole 12, although it is complete that the first thread cartridge electromagnetic valve 13 or the second thread cartridge electromagnetic valve 14 must electricly move within the very short time (approximately 40 milliseconds) afterwards, but because the damping action of the 3rd damping hole 12, direction sliding valve 4 still is in handoff procedure, logic valve 9 still is in closing process, therefore, the vibration control valve Induction Peried prolongs, starting of oscillation pressure is lower than safety valve 8 setting pressures, and then has effectively solved the high problem of starting of oscillation pressure.
See also Fig. 2, Fig. 2 is the actual measurement failure of oscillation curve map of the utility model vibration isolation valve gear, by among the figure as can be known, the failure of oscillation time of the utility model vibration isolation valve gear is 3.4 seconds, has compared with existing vibration isolation valve gear significantly and to have reduced.
Embodiment two
See also Fig. 3, the utility model has disclosed a kind of vibration control valve, described vibration control valve comprises: valve body 201, and be integrated in logic valve 209, direction sliding valve 204, safety valve 208, thread cartridge electromagnetic valve 207, some damping holes 202,206,212 in this valve body 201.Logic valve 209, direction sliding valve 204, thread cartridge electromagnetic valve 207, safety valve 208 consist of starting of oscillation, failure of oscillation control loop (wherein, logic valve 209, direction sliding valve 204, thread cartridge electromagnetic valve 207, safety valve 208, damping hole etc. are integrated in the monolithic valve body 201, consist of the starting of oscillation control loop).
In the present embodiment, at the valve rod of direction sliding valve 204 working hole meter out groove is set, simultaneously, on the control oil duct at the valve rod two ends of direction sliding valve 204, the first damping hole 202, the second damping hole 206 is set respectively.
Described direction sliding valve 204 is provided with resetting-mechanism, and direction sliding valve 204 valve rods move to meta by resetting-mechanism when operating vibration control valve dead electricity failure of oscillation; Along with the movement of valve rod, the vibrating motor return oil pressure of vibration control valve working hole increases gradually, so that vibrating motor slows down and finally stops.Described resetting-mechanism comprises the first back-moving spring 203, the second back-moving spring 205.
Described logic valve 209 places are provided with the 3rd damping hole 212, filter screen 211, the 3rd back-moving spring 210.
Particularly, logic valve 209 spools one end is equipped with the 3rd back-moving spring 210, and spring force is very little, and opening pressure is 1.7bar; And the other end of logic valve 209 spools communicates with the oil-in of logic valve 209.Logic valve 209 oil-ins communicate with the oil inlet P of vibration control valve; Logic valve 209 oil-outs communicate with the vibration control valve oil return inlet T.Logic valve 209 spring cavity oil-feeds communicate with the vibration control valve oil inlet P by the 3rd damping hole 212 and filter screen 211; Logic valve 209 spring cavitys are fuel-displaced to communicate with the oil-in of thread cartridge electromagnetic valve 207, the oil-in of safety valve 208 by vibration control valve valve inner oil duct simultaneously.The oil return opening of safety valve 208 communicates with the oil return inlet T of vibration control valve.
Thread cartridge electromagnetic valve 207 is H type Median Function, and two working hole communicates with the control chamber at direction sliding valve valve rod two ends by the first damping hole 202 and the second damping hole 206 respectively; The oil return opening of thread cartridge electromagnetic valve 207 communicates with the oil return inlet T of vibration control valve by inner oil duct.
The interface channel of two ports of described direction sliding valve 204 arranges respectively described the first damping hole 202, the second damping hole 206.The valve rod two ends of direction sliding valve 204 are equipped with the first back-moving spring 203, the second back-moving spring 205.The position switching of direction sliding valve 204 is controlled by the first back-moving spring 203, the second back-moving spring 205, the thread cartridge electromagnetic valve 207 at its valve rod two ends.
When thread cartridge electromagnetic valve 207 gets electric starting of oscillation, valve rod one end back-moving spring (203 or 205) the chamber drainback passage of the 3rd back-moving spring chamber drainback passage of logic valve 209, direction sliding valve 204 is closed simultaneously, and communicates with the oil inlet P of vibration control valve by the 3rd damping hole 212 and filter screen 211; Valve rod other end back-moving spring (the 205 or 203) chamber of direction sliding valve 204 then communicates with the oil return inlet T of vibration control valve by the inner passage; When logic valve 209 was closed under 210 effects of the 3rd back-moving spring gradually, the valve rod of direction sliding valve 204 overcomes the one end under the effect of its two ends pressure reduction back-moving spring (205 or 203) switched to the vibration working position gradually.
In the switching of direction sliding valve 204 valve rods and logic valve 209 closing process, the 3rd back-moving spring 210 chamber volumes of the back-moving spring of direction sliding valve 204 (203 or 205) chamber and logic valve 209 increase, can consume certain flow, and this part flow is to come from vibration control valve import P by damping hole 212, although it is complete that thread cartridge electromagnetic valve 207 must electricly move within the very short time (approximately 40 milliseconds) afterwards, but because the damping action of the 3rd damping hole 212, direction sliding valve 204 still is in handoff procedure, logic valve 209 still is in closing process, therefore, the vibration control valve Induction Peried prolongs, starting of oscillation pressure is lower than safety valve 208 setting pressures, and then has effectively solved the high problem of starting of oscillation pressure.
In sum, the vibration isolation valve gear that the utility model proposes can effectively reduce the failure of oscillation time and then avoid driver's cabin resonance, improves driver's comfortableness.The utility model can effectively shorten the failure of oscillation time and make the steel wheeled vibratory frequency cross fast the driver's cabin resonance frequency, effectively avoids the generation of driver's cabin covibration in the failure of oscillation process.In order to guarantee the vibrating motor life-span, avoid producing too soon too high vibrating motor return pressure impact owing to the direction sliding valve valve rod resets, in the control fluid oil duct of valve rod end, be provided with damping hole, return the time of meta with the extending direction valve link, reduce the motor return pressure and impact.
Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that do not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (10)
1. a vibration isolation valve gear is characterized in that, described vibration isolation valve gear comprises: valve body, and be arranged at the interior direction sliding valve of this valve body;
Valve rod at direction sliding valve arranges working hole meter out groove, and on the control oil duct at the valve rod two ends of direction sliding valve the first damping hole, the second damping hole is set respectively;
Described direction sliding valve is provided with resetting-mechanism, and the direction sliding valve valve rod moves to meta by resetting-mechanism when operating vibration control valve dead electricity failure of oscillation; Along with the movement of valve rod, the vibrating motor return oil pressure of vibration control valve working hole increases gradually, so that vibrating motor slows down and finally stops.
2. vibration isolation valve gear according to claim 1 is characterized in that:
Be processed with two in order to the undercut groove of fluid overcurrent on the described direction sliding valve valve rod, each undercut groove all has two in order to the shaft shoulder of control port passage break-make, and each undercut groove communicates with corresponding working hole.
3. vibration isolation valve gear according to claim 2 is characterized in that:
Described direction sliding valve is the spring reset three-position valve, and its valve rod is provided with two undercut grooves, the valve rod position that mediates under the effect of back-moving spring; Each undercut groove communicates with corresponding working hole, each undercut groove all has two shaft shoulders, the on-off of one of them shaft shoulder control relevant work mouth and vibration control valve oil-in, another shaft shoulder is then controlled the disconnected or logical of this working hole and vibration control valve oil return opening, and working hole meter out groove is located on the shaft shoulder of control working hole and vibration control valve oil return opening break-make.
4. vibration isolation valve gear according to claim 1 is characterized in that:
Described vibration isolation valve gear also comprises logic valve, the first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve, the some damping holes that is arranged in the described valve body;
Described logic valve, direction sliding valve, the first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve interconnect.
5. vibration isolation valve gear according to claim 4 is characterized in that:
Described logic valve, the first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve, damping hole link to each other, and form unloading electromagnetic valve; The first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve, direction sliding valve link to each other, and form electro-hydraulic reversing valve.
6. vibration isolation valve gear according to claim 5 is characterized in that:
Described vibration control valve comprises the first damping hole, the second damping hole; The interface channel of two ports of described direction sliding valve arranges respectively described the first damping hole, the second damping hole;
The valve rod two ends of described direction sliding valve are equipped with the first back-moving spring, the second back-moving spring; The position switching of direction sliding valve is controlled by the first back-moving spring, the second back-moving spring, the first thread cartridge electromagnetic valve, the second thread cartridge electromagnetic valve and the reversal valve at its valve rod two ends.
7. vibration isolation valve gear according to claim 6 is characterized in that:
Described vibration control valve also comprises reversal valve, safety valve;
The oil return opening of described safety valve communicates with the oil return opening of vibration control valve;
The working hole of described reversal valve communicates with direction sliding valve valve rod first end by the first damping hole; The oil return opening of reversal valve communicates with the oil return opening of vibration control valve.
8. vibration isolation valve gear according to claim 7 is characterized in that:
Described logic valve place is provided with the 3rd damping hole, filter screen, the 3rd back-moving spring, and the oil-feed of logic valve spring cavity communicates with the oil-in of vibration control valve by the 3rd damping hole and filter screen;
Logic valve spool one end is equipped with the 3rd back-moving spring, and the other end of logic valve spool communicates with the oil-in of logic valve;
The logic valve oil-in communicates with the oil-in of vibration control valve; The logic valve oil-out communicates with the vibration control valve oil return opening;
The oil-feed of logic valve spring cavity communicates with the oil-in of vibration control valve by the 3rd damping hole and filter screen;
The logic valve spring cavity is fuel-displaced to communicate with the oil-in of the first thread cartridge electromagnetic valve, the oil-in of safety valve, the oil-in of reversal valve by vibration control valve valve inner oil duct simultaneously.
9. vibration isolation valve gear according to claim 8 is characterized in that:
The 3rd back-moving spring chamber draining passage of logic valve, the first back-moving spring chamber drainback passage of direction sliding valve are closed simultaneously when the first thread cartridge electromagnetic valve gets electric starting of oscillation, and are communicated with the oil-in of vibration control valve by the 3rd damping hole and filter screen; The second back-moving spring chamber of direction sliding valve valve rod then communicates with the oil return opening of vibration control valve by the inner passage; When logic valve was closed under the effect of the 3rd back-moving spring gradually, the direction sliding valve valve rod overcame its second back-moving spring and switches to gradually the vibration working position under the effect of its two ends pressure reduction.
10. vibration isolation valve gear according to claim 6 is characterized in that:
The import of described the second thread cartridge electromagnetic valve communicates with the control mouth of reversal valve by the valve inner oil duct; Simultaneously, the import of the second thread cartridge electromagnetic valve communicates with the second end of direction sliding valve valve rod by valve inner oil duct and the second damping hole; The outlet of the second thread cartridge electromagnetic valve with communicate with the oil return opening of vibration control valve by inner oil duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201275900U CN202658513U (en) | 2012-03-29 | 2012-03-29 | Vibration control valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201275900U CN202658513U (en) | 2012-03-29 | 2012-03-29 | Vibration control valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658513U true CN202658513U (en) | 2013-01-09 |
Family
ID=47453430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201275900U Expired - Fee Related CN202658513U (en) | 2012-03-29 | 2012-03-29 | Vibration control valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202658513U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214152A (en) * | 2013-05-29 | 2014-12-17 | 泊姆克(天津)液压有限公司 | Two-way cartridge type vibration control valve |
| CN106050769A (en) * | 2016-08-08 | 2016-10-26 | 湖南星邦重工有限公司 | Lifting platform and hydraulic driving system thereof |
| CN110056551A (en) * | 2019-04-03 | 2019-07-26 | 燕山大学 | Using special-shaped pressure stabilizing cavity body hydraulic valve bank |
-
2012
- 2012-03-29 CN CN2012201275900U patent/CN202658513U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214152A (en) * | 2013-05-29 | 2014-12-17 | 泊姆克(天津)液压有限公司 | Two-way cartridge type vibration control valve |
| CN104214152B (en) * | 2013-05-29 | 2016-08-10 | 泊姆克(天津)液压有限公司 | two-way plug-in vibration control valve |
| CN106050769A (en) * | 2016-08-08 | 2016-10-26 | 湖南星邦重工有限公司 | Lifting platform and hydraulic driving system thereof |
| CN110056551A (en) * | 2019-04-03 | 2019-07-26 | 燕山大学 | Using special-shaped pressure stabilizing cavity body hydraulic valve bank |
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