CN205064422U - Gas accuse hydraulic pressure combination valve - Google Patents
Gas accuse hydraulic pressure combination valve Download PDFInfo
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- CN205064422U CN205064422U CN201520859043.5U CN201520859043U CN205064422U CN 205064422 U CN205064422 U CN 205064422U CN 201520859043 U CN201520859043 U CN 201520859043U CN 205064422 U CN205064422 U CN 205064422U
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Abstract
The utility model relates to a gas accuse hydraulic pressure combination valve, the one set of hydraulic power units lifts in control tipper carriage, descends through gas accuse hydraulic pressure combination valve and stops in, falls slowly and simultaneously can control carriage seal cap opener and open and the closing motion on the make full use of tipper, and solve has one set of hydraulic power can only control a lift cylinder at present, and carriage top seal opener relies on the storage battery be the supporting use of electronic hydraulic power units of power. Practiced thrift carriage seal cap opener cost of manufacture, used reliably more and safety. This product is simplified two sets of driving power units of tipper and is merged into together, will simplify the manufacture craft, reduces manufacturing cost, and the action is reliable, operation maintenance is simple, when having avoided electronic hydraulic power units to use too big the productions potential safety hazard of electric current and influence storage battery life scheduling problem advantage, is fit for delivery bulk material, needs add the tipper use of covering, and especially suitable sanitation department uses widely.
Description
[technical field]
The utility model relates to a kind of Pneumatic and hydraulic combination brake switch and proporting utilizing a set of hydraulic power unit simultaneously to control carriage lifting oil cylinder and carriage head cover hydraulic seal lid opener oil cylinder, belongs to auto parts machinery.
[background technique]
At present, along with urban environmental protection requires more and more stricter, dumping car railway carriage of setting out on a journey in a lot of cities must seal device, prevent from causing secondary pollution problem, it is that general more a set of self-contained power hydraulic power unit drives hydraulic top cover unseal device and electronic tarpaulin seal cover assembly that current dumping car seals device.Because self-contained power hydraulic power unit adopts the power supply on automobile storage battery, because battery voltage is little, so need big current just can meet the demands, shorten storage battery working life and big current easily produces when spark makes circuit burnout serious and will produce the accidents such as self-burning of vehicle, the shortcoming such as its manufacture cost is higher in addition.
[summary of the invention]
The purpose of this utility model is: for above-mentioned Problems existing, particularly be that providing a kind of can use a set of hydraulic system to control the Double-hydraulic power system of carriage lifting of dump truck device and dumping car hydraulic top cover unseal device simultaneously, have and simplify Tipper Lifting and top seal opening device hydraulic power system, reach easy to install and use, reduce manufacture cost, avoid because the damage of storage battery power consumption is fast and big current easily produces fire accident generation, the advantages such as operational safety is good.
For achieving the above object, overall structure of the present utility model is: described Pneumatic and hydraulic combination brake switch and proporting is made up of Pneumatic and hydraulic selector valve, Pneumatic and hydraulic lifting valve, pneumatic control hydraulic reversing valve; Described Pneumatic and hydraulic selector valve is made up of cylinder two, spool two, valve body two and safety valve two; Valve opening two and pressure-taking hole two is provided with in the middle of described valve body two; Be provided with front oil-return groove two, oil-feed tank two in described valve opening two, go out oil groove two, rear oil-return groove two, bypass channel two; Described front oil-return groove two is provided with spill port T1; Described oil-feed tank two is provided with oil inlet P 1; The described oil groove two that goes out is provided with oil outlet A1; Described rear oil-return groove two is provided with spill port T2; Described go out oil groove two-way and cross pressure-taking hole two and be connected centre with bypass channel two and be provided with safety valve two; Described Pneumatic and hydraulic lifting valve is made up of cylinder one, spool one, valve body one and safety valve one; Valve opening one and pressure-taking hole one is provided with in the middle of described valve body one; Be provided with front oil-return groove one, oil-feed tank one in described valve opening, go out oil groove one, rear oil-return groove one, bypass channel one; Described front oil-return groove one is provided with spill port T3; Described oil-feed tank one is provided with oil inlet P 2; The described oil groove one that goes out is provided with oil outlet A2; Described rear oil-return groove one is provided with spill port T4; Described go out oil groove one and be connected centre by pressure-taking hole one with bypass channel one and be provided with safety valve one; Described pneumatic control hydraulic reversing valve is made up of cylinder three, spool three, valve body three; Valve opening three is provided with in the middle of described valve body three; Be provided with in described valve opening three front oil-return groove three, front go out oil groove, oil-feed tank three, after go out oil groove, rear oil-return groove three; Described oil-feed tank three place is provided with oil inlet P 3; Go out after described oil groove place be provided with oil outlet A4, front go out oil groove place be provided with oil outlet A3; Described front oil-return groove three place is provided with oil return inlet T 6, and described rear oil-return groove three place is provided with oil return inlet T 5; Described Pneumatic and hydraulic selector valve, Pneumatic and hydraulic lifting valve and pneumatic control hydraulic reversing valve fit together, oil return inlet T 1 on Pneumatic and hydraulic selector valve is corresponding with oil inlet P 2 position on Pneumatic and hydraulic lifting valve to be connected, oil outlet A1 on gas control selector valve is corresponding with oil inlet P 3 position on pneumatic control hydraulic reversing valve to be connected, and spill port T5 is connected by T2 and T4 position correspondence; Spill port T3 on described Pneumatic and hydraulic lifting valve is connected with T4 by secret tunnel one; Spill port T5 on described pneumatic control hydraulic reversing valve is connected with T6 by secret tunnel two.
The utility model is set to further: described spool one is provided with equally several circular grooves corresponding with valve body one and overflow hole one; Piston in described spool one one end and cylinder one is installed together, and one end is passed through axial displacement in valve opening one and slided, and described cylinder one is arranged on valve body one; Described spool two is provided with equally several circular grooves corresponding with valve body two and overflow hole two; Piston in described spool two one end and cylinder two is installed together, and one end is passed through axial displacement in valve opening two and slided, and described cylinder two is arranged on valve body two; Described spool three is provided with equally several circular grooves corresponding with valve body three and overflow T-slot; Described spool three one end and cylinder three inner carrier are installed together, and one end is passed through axial displacement in valve opening three and slided, and described cylinder three is arranged on valve body three.
Technical solutions of the utility model are rational in infrastructure, change original dumping car hydraulic power unit and can only control a set of hydraulic lifting system, and top seal opener adopts two cover hydraulic power systems of independently electric hydaulic power unit; Make full use of a set of hydraulic power unit and reach control carriage lifting oil cylinder and dumping car hydraulic seal lid opener oil cylinder simultaneously by Pneumatic and hydraulic combination brake switch and proporting, have and simplify Tipper Lifting and top seal opening device hydraulic power system, reach easy to install and use, reduce manufacture cost, avoid because the damage of storage battery power consumption is fast and big current easily produces fire accident generation, the advantages such as operational safety is good.
Below in conjunction with accompanying drawing, the invention will be further described:
Accompanying drawing explanation
Fig. 1 is the hydraulic scheme that the utility model is used in Tipper Lifting and top cover opener;
Fig. 2 is shape assumption diagram of the present utility model;
Fig. 3 is Pneumatic and hydraulic lifting valve structural representation of the present utility model;
Fig. 4 is Pneumatic and hydraulic selector valve structural representation of the present utility model;
Fig. 5 is pneumatic control hydraulic reversing valve structural representation of the present utility model;
Fig. 6 is spool one structural representation of the present utility model;
Fig. 7 is spool two structural representation of the present utility model;
Fig. 8 is spool three structural representation of the present utility model;
Number in the figure: 1-Pneumatic and hydraulic lifting valve, 2-Pneumatic and hydraulic selector valve, 3-pneumatic control hydraulic reversing valve, 4-oil pipe one, 5-flow control valve one, 6-opener oil cylinder, 7-lifting oil pipe, 8-elevating ram, 9-return tube, 10-oil inlet pipe, 11-oil pump, 12-fuel tank, 13-oil pipe two, 14-flow control valve two, 1.1-cylinder one, 1.2-spool one, 1.3-valve body one, 1.3.1-front oil-return groove one, 1.3.2-oil-feed tank one, 1.3.3-go out oil groove one, 1.3.4-rear oil-return groove one, 1.3.5-bypass channel one, 1.3.6-valve opening one, 1.4-plug screw one, 1.5-safety valve one, 1.3.7-pressure-taking hole one, 1.3.8-secret tunnel one, 2.1-cylinder two, 2.2-spool two, 2.3-valve body two, 2.3.1-front oil-return groove two, 2.3.2-oil-feed tank two, 2.3.3-go out oil groove two, 2.3.4-rear oil-return groove two, 2.3.5-bypass channel two, 2.3.6-valve opening two, 2.4-plug screw two, 2.5-safety valve two, 2.3.7-pressure-taking hole two, 3.1-cylinder three, 3.2-spool three, 3.3-valve body three, 3.3.1-front oil-return groove three, 3.3.2-oil-feed tank three, 3.3.3-before go out oil groove, 3.3.4-after go out oil groove, 3.3.5-rear oil-return groove three, 3.3.6-valve opening three, 3.4-plug screw three, 3.3.8-secret tunnel two, 1.2.1-overflow hole one, 1.2.2-middle washer one, 1.2.3-spring one, 1.2.4-outer washer one, 1.2.5-back-up ring one, 2.2.1-overflow hole two, 2.2.2-middle washer two, 2.2.3-spring two, 2.2.4-outer washer two, 2.2.5-back-up ring two, 3.2.1-overflow T-slot, 3.2.2-middle washer three, 3.2.3-spring three, 3.2.4-outer washer three, 3.2.5-back-up ring three.
[embodiment]
As shown in Fig. 1 to 8, the object of this Pneumatic and hydraulic combination brake switch and proporting of the present embodiment, technological scheme implement like this, and Pneumatic and hydraulic combination brake switch and proporting is made up of Pneumatic and hydraulic selector valve 2, Pneumatic and hydraulic lifting valve 1, pneumatic control hydraulic reversing valve 3, described Pneumatic and hydraulic selector valve 2 is made up of cylinder 2 2.1, spool 2 2.2, valve body 2 2.3 and safety valve 2 2.5, valve opening two 2.3.6 and pressure-taking hole two 2.3.7 is provided with in the middle of described valve body 2 2.3, be provided with front oil-return groove two 2.3.1, oil-feed tank two 2.3.2 in described valve opening two 2.3.6, go out oil groove two 2.3.3, rear oil-return groove two 2.3.4, bypass channel two 2.3.5, described front oil-return groove two 2.3.1 is provided with spill port T1, described oil-feed tank two 2.3.2 is provided with oil inlet P 1, described oil groove two 2.3.3 that goes out is provided with oil outlet A1, described rear oil-return groove two 2.3.4 is provided with spill port T2, described go out oil groove two 2.3.3 to be connected with bypass channel two 2.3.5 by pressure-taking hole two 2.3.7 in the middle of be provided with safety valve 2 2.5, connection pressure-taking hole two 2.3.7 is opened when going out safety valve 2 2.5 when oil groove two 2.3.3 pressure exceeds predetermined pressure, the pressure overflow of using in oil groove two 2.3.3 promotes spool 2 2.2 and starts overflow pressure relief in the slip of valve opening two 2.3.6 intrinsic displacement in bypass channel two 2.3.5, after pressure reaches predetermined pressure, safety valve 2 2.5 cuts out automatically, partial pressure in bypass channel two 2.3.5 is overflowed in rear oil-return groove two 2.3.4 by overflow hole two 2.2.1 in spool 2 2.2 and stops release, described Pneumatic and hydraulic lifting valve 1 is made up of cylinder 1, spool 1, valve body 1 and safety valve 1, valve opening one 1.3.6 and pressure-taking hole one 1.3.7 is provided with in the middle of described valve body 1, be provided with front oil-return groove one 1.3.1, oil-feed tank one 1.3.2 in described valve opening 1.3.6, go out oil groove one 1.3.3, rear oil-return groove one 1.3.4, bypass channel one 1.3.5, described front oil-return groove one 1.3.1 is provided with spill port T3, described oil-feed tank one 1.3.2 is provided with oil inlet P 2, described oil groove one 1.3.3 that goes out is provided with oil outlet A2, described rear oil-return groove one 1.3.4 is provided with spill port T4, described go out oil groove one 1.3.3 and be connected by being provided with safety valve 1 in the middle of pressure-taking hole one 1.3.7 and bypass channel one 1.3.5, connection pressure-taking hole one 1.3.7 is opened when going out safety valve 1 when oil groove one 1.3.3 pressure exceeds predetermined pressure, the pressure overflow of using in oil groove one 1.3.3 promotes spool 1 and starts overflow pressure relief in the slip of valve opening one 1.3.6 intrinsic displacement in bypass channel one 1.3.5, after pressure reaches predetermined pressure, safety valve 1 cuts out automatically, and the partial pressure in bypass channel one 1.3.5 is overflowed in rear oil-return groove one 1.3.4 by overflow hole one 1.2.1 in spool 1 and stops release, described pneumatic control hydraulic reversing valve 3 is made up of cylinder 3 3.1, spool 3 3.2, valve body 3 3.3, valve opening three 3.3.6 is provided with in the middle of described valve body 3 3.3, be provided with in described valve opening three 3.3.6 front oil-return groove three 3.3.1, front go out oil groove 3.3.3, oil-feed tank three 3.3.2, after go out oil groove 3.3.4, rear oil-return groove three 3.3.5, described oil-feed tank three 3.3.2 place is provided with oil inlet P 3, go out after described oil groove 3.3.4 place be provided with oil outlet A4, front go out oil groove 3.3.3 place be provided with oil outlet A3, described front oil-return groove three 3.3.1 place is provided with oil return inlet T 6, and described rear oil-return groove three 3.3.5 place is provided with oil return inlet T 5, described Pneumatic and hydraulic selector valve 1, Pneumatic and hydraulic lifting valve 2 and pneumatic control hydraulic reversing valve 3 fit together, oil return inlet T 1 on Pneumatic and hydraulic selector valve 2 is corresponding with oil inlet P 2 position on Pneumatic and hydraulic lifting valve 1 to be connected, oil outlet A1 on gas control selector valve 2 is corresponding with oil inlet P 3 position on pneumatic control hydraulic reversing valve 3 to be connected, and spill port T5 is connected by T2 and T4 position correspondence, spill port T3 on described Pneumatic and hydraulic lifting valve 1 is connected by secret tunnel one 1.3.8 and T4, spill port T5 on described pneumatic control hydraulic reversing valve 3 is connected by secret tunnel two 3.3.8 and T6.
As shown in Fig. 3 to 8, described spool 1 is provided with equally several circular grooves corresponding with valve body 1 and overflow hole one 1.2.1; Described spool 1 is provided with together with middle washer one 1.2.2, spring one 1.2.4 and outer washer one 1.2.3 be limited in by back-up ring one 1.2.5; Piston in described spool 1 one end and cylinder 1 is installed together, and one end is passed through axial displacement in valve opening one 1.3.6 and slided, and described cylinder 1 is arranged on valve body 1; Described spool 2 2.2 is provided with equally several circular grooves corresponding with valve body 2 2.3 and overflow hole two 2.2.1; Described spool 2 2.2 is provided with together with middle washer two 2.2.2, spring two 2.2.4 and outer washer two 2.2.3 be limited in by back-up ring two 2.2.5; Piston in described spool 2 2.2 one end and cylinder 2 2.1 is installed together, and one end is passed through axial displacement in valve opening two 2.3.6 and slided, and described cylinder 22 is arranged on valve body 2 2.3; Described spool 3 3.2 is provided with equally several circular grooves corresponding with valve body 3 3.3 and overflow T-slot 3.2.1; Described spool 3 3.2 is provided with together with middle washer three 3.2.2, spring three 3.2.4 and outer washer three 3.2.3 be limited in by back-up ring three 3.2.5; Described spool 3 3.2 one end and cylinder 3 3.1 inner carrier are installed together, and one end is passed through axial displacement in valve opening three 3.3.6 and slided, and described cylinder 33 is arranged on valve body 3 3.3.
As shown in Figure 1, dumping car itself is provided with a set of hydraulic power unit, it be from oil pump 11 output hydraulic pressure source by oil inlet pipe 10 to Pneumatic and hydraulic selector valve 2 oil inlet P 1 Pneumatic and hydraulic combination brake switch and proporting, when not needing action, oil inlet P 1 oil-feed on Pneumatic and hydraulic selector valve 2 is to oil-feed tank two 2.3.2, because oil-feed tank two 2.3.2 and front oil-return groove two 2.3.1 passage are in on-state, hydraulic oil directly by front oil-return groove two 2.3.1 from oil return inlet T 1 with Pneumatic and hydraulic lifting valve 1 oil inlet P 2 in oil-feed tank one 1.3.2, because oil-feed tank one 1.3.2 and front oil-return groove one 1.3.1 is on positi, got back in fuel tank 12 by oil return inlet T 3 and return tube 9.
As shown in Fig. 1,3 to 8, when body of tipper carriage top seal opener needs to open, pressurized air enters in cylinder 2 2.1 from QP1 the piston displacement promoted spool 2 2.2, make oil-feed tank two 2.3.2 and go out oil groove two 2.3.3 passage to connect, front oil-return groove two 2.3.1 and rear oil-return groove two 2.3.4 pathway closure, hydraulic oil is from oil outlet A1 to the oil inlet P 3 pneumatic control hydraulic reversing valve 3, again pressurized air is entered in cylinder 3 3.1 from QP4 mouth, QP5 mouth is vented, promote piston driving spool 3 3.2 displacement in cylinder 3 3.1, go out oil groove 3.3.3 and front oil-return groove three 3.3.1 passage before making to open and oil-feed tank three 3.3.2 pathway closure, after go out oil groove 3.3.4 and oil-feed tank three 3.3.2 passage and open and rear oil-return groove three 3.3.5 pathway closure, hydraulic oil enters opener oil cylinder 6 by oil pipe 1 through the output of flow control valve 1 Flow-rate adjustment from oil outlet A4, the piston rod promoted in oil cylinder 6 drives carriage head cover unseal device to open sealed cover, other one end hydraulic oil in opener oil cylinder 6 is got back to front oil-return groove three 3.3.1 from oil outlet A3 and is got back in fuel tank 12 by oil return inlet T 5 through return tube 9, after carriage head cover unseal device is opened completely, now to being exhausted in cylinder 3 3.1 and cylinder 2 2.1 and cutting off air supply source, rely on spring three 3.2.3 and spring two 2.3.3 that spool 3 3.2 and spool 2 2.2 are return original position automatically, pin opener oil cylinder 6 and be failure to actuate, otherwise pressurized air is entered in cylinder 3 3.2 from QP5 mouth and is vented from QP4 mouth, pull piston driving spool 3 3.2 displacement in cylinder 3 3.1, oil groove 3.3.4 and oil-feed tank three 3.3.2 pathway closure is gone out after making, connected by the overflow T-slot 3.2.1 on spool 3 3.2 and rear oil-return groove three 3.3.5 passage, before go out oil groove 3.3.3 and front oil-return groove three 3.3.1 pathway closure and oil-feed tank three 3.3.2 passage and open, hydraulic oil pulls piston rod oil cylinder 6 in drive carriage head cover unseal device close sealed cover by oil pipe 2 13 through the laggard opener oil cylinder 6 of flow control valve 2 14 Flow-rate adjustment from oil outlet A3, other one end hydraulic oil simultaneously in opener oil cylinder 6 to be got back to by the overflow T-slot 3.2.1 spool three from oil outlet A4 and is entered in fuel tank 12 through oil return inlet T 5 and return tube 9 in rear oil-return groove three 3.3.5, after carriage head cover unseal device cuts out completely, now to being exhausted in cylinder 3 3.1 and cylinder 2 2.1 and cutting off air supply source, rely on spring three 3.2.3 and spring two 2.3.3 spool 3 3.2 and spool 2 2.2 to be return automatically original position pinning opener oil cylinder 6 and be failure to actuate.
Claims (2)
1. Pneumatic and hydraulic combination brake switch and proporting, is characterized in that: Pneumatic and hydraulic combination brake switch and proporting is made up of Pneumatic and hydraulic selector valve (2), Pneumatic and hydraulic lifting valve (1), pneumatic control hydraulic reversing valve (3); Described Pneumatic and hydraulic selector valve (2) is made up of cylinder two (2.1), spool two (2.2), valve body two (2.3) and safety valve two (2.5); Valve opening two (2.3.6) and pressure-taking hole two (2.3.7) is provided with in the middle of described valve body two (2.3); Be provided with front oil-return groove two (2.3.1), oil-feed tank two (2.3.2) in described valve opening two (2.3.6), go out oil groove two (2.3.3), rear oil-return groove two (2.3.4), bypass channel two (2.3.5); Described front oil-return groove two (2.3.1) is provided with spill port T1; Described oil-feed tank two (2.3.2) is provided with oil inlet P 1; The described oil groove two (2.3.3) that goes out is provided with oil outlet A1; Described rear oil-return groove two (2.3.4) is provided with spill port T2; Described go out oil groove two (2.3.3) to be connected with bypass channel two (2.3.5) by pressure-taking hole two (2.3.7) in the middle of be provided with safety valve two (2.5); Described Pneumatic and hydraulic lifting valve (1) is made up of cylinder one (1.1), spool one (1.2), valve body one (1.3) and safety valve one (1.5); Valve opening one (1.3.6) and pressure-taking hole one (1.3.7) is provided with in the middle of described valve body one (1.3); Be provided with front oil-return groove one (1.3.1), oil-feed tank one (1.3.2) in described valve opening (1.3.6), go out oil groove one (1.3.3), rear oil-return groove one (1.3.4), bypass channel one (1.3.5); Described front oil-return groove one (1.3.1) is provided with spill port T3; Described oil-feed tank one (1.3.2) is provided with oil inlet P 2; The described oil groove one (1.3.3) that goes out is provided with oil outlet A2; Described rear oil-return groove one (1.3.4) is provided with spill port T4; Described go out oil groove one (1.3.3) to be connected with bypass channel one (1.3.5) by pressure-taking hole one (1.3.7) in the middle of be provided with safety valve one (1.5); Described pneumatic control hydraulic reversing valve (3) is made up of cylinder three (3.1), spool three (3.2), valve body three (3.3); Valve opening three (3.3.6) is provided with in the middle of described valve body three (3.3); Be provided with in described valve opening three (3.3.6) front oil-return groove three (3.3.1), front go out oil groove (3.3.3), oil-feed tank three (3.3.2), after go out oil groove (3.3.4), rear oil-return groove three (3.3.5); Described oil-feed tank three (3.3.2) place is provided with oil inlet P 3; Go out after described oil groove (3.3.4) place be provided with oil outlet A4, front go out oil groove (3.3.3) place be provided with oil outlet A3; Described front oil-return groove three (3.3.1) place is provided with oil return inlet T 6, and described rear oil-return groove three (3.3.5) place is provided with oil return inlet T 5; Described Pneumatic and hydraulic selector valve (1), Pneumatic and hydraulic lifting valve (2) and pneumatic control hydraulic reversing valve (3) fit together, oil return inlet T 1 on Pneumatic and hydraulic selector valve (2) is corresponding with oil inlet P 2 position on Pneumatic and hydraulic lifting valve (1) to be connected, oil outlet A1 on gas control selector valve (2) is corresponding with oil inlet P 3 position on pneumatic control hydraulic reversing valve (3) to be connected, and spill port T5 is connected by T2 and T4 position correspondence; Spill port T3 on described Pneumatic and hydraulic lifting valve (1) is connected with T4 by secret tunnel one (1.3.8); Spill port T5 on described pneumatic control hydraulic reversing valve (3) is connected with T6 by secret tunnel two (3.3.8).
2. Pneumatic and hydraulic combination brake switch and proporting according to claim 1, is characterized in that: described spool one (1.2) is provided with equally several circular grooves corresponding with valve body one (1.3) and overflow hole one (1.2.1); Piston in described spool one (1.2) one end and cylinder one (1.1) is installed together, one end is passed through axial displacement in valve opening one (1.3.6) and is slided, and described cylinder one (1) is arranged on valve body one (1.3); Described spool two (2.2) is provided with equally several circular grooves corresponding with valve body two (2.3) and overflow hole two (2.2.1); Piston in described spool two (2.2) one end and cylinder two (2.1) is installed together, one end is passed through axial displacement in valve opening two (2.3.6) and is slided, and described cylinder two (2) is arranged on valve body two (2.3); Described spool three (3.2) is provided with equally several circular grooves corresponding with valve body three (3.3) and overflow T-slot (3.2.1); Described spool three (3.2) one end and cylinder three (3.1) inner carrier are installed together, one end is passed through axial displacement in valve opening three (3.3.6) and is slided, and described cylinder three (3) is arranged on valve body three (3.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859043.5U CN205064422U (en) | 2015-10-22 | 2015-10-22 | Gas accuse hydraulic pressure combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859043.5U CN205064422U (en) | 2015-10-22 | 2015-10-22 | Gas accuse hydraulic pressure combination valve |
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| Publication Number | Publication Date |
|---|---|
| CN205064422U true CN205064422U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520859043.5U Active CN205064422U (en) | 2015-10-22 | 2015-10-22 | Gas accuse hydraulic pressure combination valve |
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| CN (1) | CN205064422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387011A (en) * | 2015-10-22 | 2016-03-09 | 瑞安市阀门一厂 | Pneumatic control hydraulic combination valve |
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2015
- 2015-10-22 CN CN201520859043.5U patent/CN205064422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387011A (en) * | 2015-10-22 | 2016-03-09 | 瑞安市阀门一厂 | Pneumatic control hydraulic combination valve |
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