CN206754415U - One kind singly drives electro-hydraulic push-pull valve - Google Patents

One kind singly drives electro-hydraulic push-pull valve Download PDF

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Publication number
CN206754415U
CN206754415U CN201720400888.7U CN201720400888U CN206754415U CN 206754415 U CN206754415 U CN 206754415U CN 201720400888 U CN201720400888 U CN 201720400888U CN 206754415 U CN206754415 U CN 206754415U
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China
Prior art keywords
valve
valve plate
valve body
guide rail
rail mechanism
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CN201720400888.7U
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丁洪超
刘纯雷
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Henan Zhong Sen Power Equipment Co Ltd
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Henan Zhong Sen Power Equipment Co Ltd
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Abstract

The utility model discloses one kind singly to drive electro-hydraulic push-pull valve, valve plate including valve body and located at the valve body side, circular charging aperture and square discharging opening are respectively equipped with outside the valve body, the valve inner is provided with the guide rail mechanism to stretch out, chute is provided with the inside of the guide rail mechanism;The valve plate side is provided with Electrohydraulic push rod, and the Electrohydraulic push rod includes the motor of two synchronous hydraulic cylinders being connected with the valve plate and the driving synchronous hydraulic cylinder working;The face sealing mechanism up and down for being directed to valve plate is provided with above the guide rail mechanism at the valve body, the guide rail mechanism both sides are provided with the side sealing mechanism for valve plate at the valve body.Compared with prior art, the utility model is simple in construction, reasonable in design, has power consumption small, low manufacture cost, coal dust is realized without leakage, the easy blocking of traditional valve in the market, stuck can be thoroughly solved the problems, such as, can be widely used as the valve of powder class material.

Description

One kind singly drives electro-hydraulic push-pull valve
Technical field
It the utility model is related to valve technology field, and in particular to one kind singly drives electro-hydraulic push-pull valve.
Background technology
With the diversity of coal used in power plant, there are many power plant's reflection feeder import and export valve plate valve frequencies recent years It is numerous the problem of stuck occur, often there is valve and do not close or shut the problem of not opening, have impact on the safety and stability fortune of unit OK.Why coal bunker blocks, and one of its reason is that viscous coal chute blockage problem occurs in its valve plate valve portion position, result in whole coal bunker Lower coal is not smooth, further investigation reveals that the reason for problem above occur as follows:Conventional motor-driven valve plate valve is single valve switching plate structure, is passed through Rack pinion, after gluing coal on its rack and guide rail, not only accelerate electrical header abrasion, it is stuck to also result in valve plate (do not opened after shutting, open then do not close) problem;Conventional motor-driven valve plate valve valve body is thicker, is deposited in the corner part that its side is rounded In many viscous coal chute blockage hidden danger, valve is set easily to block;Conventional motor-driven valve plate valve is integral seal structure, residing for its valve plate Position, it can't see in outside, the open and close state operating personnel of valve plate do not know, can not be found in time when valve plate jam.
Utility model content
To solve drawbacks described above, the purpose of this utility model is to provide one kind and singly opens electro-hydraulic push-pull valve, valve folding condition It is directly perceived visible, can thoroughly solve the problems, such as the easy blocking of traditional valve in the market, stuck.
To reach above-mentioned purpose, the technical solution adopted in the utility model is:One kind singly opens electro-hydraulic push-pull valve, including valve body With the valve plate located at the valve body side, circular charging aperture and square discharging opening, the valve body are respectively equipped with outside the valve body Inside is provided with the guide rail mechanism to stretch out, and chute is provided with the inside of the guide rail mechanism;The valve plate side is provided with Electrohydraulic push rod, And the valve plate moves back and forth in chute described in Electrohydraulic push rod effect lower edge, the Electrohydraulic push rod includes connecting with the valve plate Two synchronous hydraulic cylinders and the motor of the driving synchronous hydraulic cylinder working connect;Close to the valve body above the guide rail mechanism Place is provided with the face sealing mechanism up and down for valve plate, and the guide rail mechanism both sides are provided with the side for valve plate at the valve body Sealing mechanism.
Preferably, the square discharging opening internal diameter is external in the circular charging aperture external diameter, and the square discharging opening It is connected on the valve body with the circular charging aperture.
The face sealing mechanism up and down includes being respectively arranged on the seal groove of the guide rail mechanism top and bottom and located at described Cover plate at the top of seal groove, the airtight and watertight padding and the valve plate intimate surface contact that the seal groove inside is provided with, the sealing Pressing plate is provided with above filler, spring is provided with above the pressing plate, the fastening being connected to for compressing the spring is worn on the cover plate Part.
The side sealing mechanism includes the sealing column being in close contact respectively with the valve plate two sides and is connected to institute respectively The fastener of the side chute of guide rail mechanism two is stated, the sealing column is compressed by spring, and the spring passes through the fastening Part is compressed.
The valve plate front end face is set to inclined-plane, and front end face both sides, which are located at the chute, is provided with protuberance.
When completing the closure of the valve body, the valve plate rear end face stretches out outside the valve body valve plate, and in water Square exceed the circular feed hole edges 10mm-20mm upwards.
The second half slided during the valve plate valve body along the guide rail mechanism, the guide rail mechanism are not provided with chute.
When in use, electric motor starting promotes valve plate, it is necessary to close when producing coal valve to the utility model by synchronous hydraulic cylinder Moved into valve body, until valve plate is completed to enter valve body;When needing to open coal valve, synchronous hydraulic cylinder is retracted, and Electrohydraulic push rod is drawn Dynamic valve plate leaves valve body, until valve plate leaves valve body completely.
The valve plate being provided with the utility model, when valve plate closes valve body, valve plate rear end face is stretched out outside the valve body, and Exceed the circular feed hole edges 10mm-20mm in the horizontal direction, the passage of coal dust material can be blocked completely, it is ensured that valve Closure, solve in the prior art valve plate closure it is not tight the drawbacks of;Because coal bunker is barotropic state, therefore the sealing of valve is very Important, to avoid the leakage of coal dust, the utility model is provided with upper and lower face sealing mechanism for the top and bottom of valve plate, passes through the mechanism The airtight and watertight padding that inside is provided with, by fasteners compress spring, spring is compressed by pressing plate to airtight and watertight padding, realizes valve The excellent sealing of body and valve plate, when airtight and watertight padding is worn, airtight and watertight padding can be compressed again by adjusting fastener, is ensured close Seal effect;
Valve plate in the utility model is located in the chute on guide rail mechanism, and opening for valve is realized by the slip of valve plate Close, but valve plate both sides and chute have gap, side sealing mechanism be provided with the gap location for this, the side sealing mechanism by The fastener holddown spring set inside chute, and then the sealing column that spring compression is in close contact with the valve plate, realize valve Sealing between plate side and horizontal concrete chute, when sealing column is worn, by the screw-in of fastener, it can be achieved to compress again close Envelope;
Valve plate in the utility model is moved through motor driving oil piping system, so as to drive two synchronous hydraulic cylinder conducts Power, Electrohydraulic push rod small volume, flexible movements, thrust is big, and cost is low, and stroke is stable, and push-and-pull valve plate does reciprocating action, realizes valve The switch of door, valve plate present position in addition, in external energy less than the open and close state operating personnel of valve plate are easy to know, work as valve Board can be found immediately when hindering;The square discharging opening that the valve body is provided with is external in circular charging aperture, makes in blanking channel Without step, ensure the unobstructed of blanking;The valve plate front end face is set to inclined-plane, and front end face both sides, which are located to be provided with the chute, to be protruded Portion, ramp structure enable the effect that valve plate is shoveled coal in closure, reduce resistance of the coal to valve plate, protruding parts are in chute position Put, have the function that to shovel out water conservancy diversion to entering the coal in chute when valve plate closes;The valve plate slides along the guide rail mechanism The second half, the guide rail mechanism is not provided with chute, valve plate the powder remained in chute can be pushed to during closing In blanking channel, self-cleaning track function is realized.
Compared with prior art, the utility model is simple in construction, reasonable in design, small with power consumption, low manufacture cost, Coal dust is realized without leakage, the easy blocking of traditional valve in the market, stuck can be thoroughly solved the problems, such as, powder class material can be used as Valve widely use.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment, structure and features of the present utility model is described further.
Fig. 1 is the structural representation of traditional valve.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is Fig. 2 top view.
Fig. 4 is the structural representation of upper and lower face sealing mechanism described in the utility model.
Fig. 5 is the structural representation of side sealing mechanism described in the utility model.
Fig. 6 is the structural representation of valve plate described in the utility model.
In accompanying drawing 2- Fig. 6,1. motors, 2. synchronous hydraulic cylinders, 3. valve plates, 4. circular charging apertures, 5. guide rail mechanisms, about 6. Face sealing mechanism, 7. side sealing mechanisms, 8. square discharging openings, 9. airtight and watertight paddings, 10. springs, 11. fasteners, 12. cover plates, 13. Seal groove, 14. pressing plates, 15. sealing columns, 16. protuberances, 17. inclined-planes.
Embodiment
It is the structural representation of traditional valve referring to accompanying drawing 1.The valve is single valve switching plate structure, is integral sealing, is led to Rack pinion is crossed, this valve is thicker, many viscous coal chute blockage hidden danger in the corner part that its side is rounded be present, makes valve Gate pole easily blocks, and its valve plate present position, can't see in outside, and the open and close state operating personnel of valve plate do not know, work as valve Board can not be found immediately when hindering.
It is a kind of embodiment of the present utility model referring to accompanying drawing 2- Fig. 6.
One kind singly opens electro-hydraulic push-pull valve, including valve body and the valve plate 3 located at the valve body side, and the valve body outside is respectively Provided with circular charging aperture 4 and square discharging opening 8, the valve inner is provided with the guide rail mechanism 5 to stretch out, the guide rail mechanism 5 inner sides are provided with chute;The side of valve plate 3 is provided with Electrohydraulic push rod, and the valve plate 3 is described in Electrohydraulic push rod effect lower edge Chute moves back and forth, and the Electrohydraulic push rod includes and two synchronous hydraulic cylinders 2 of the valve plate 3 connection and the driving synchronous liquid The motor 1 that cylinder pressure 2 works;The top of guide rail mechanism 5 is provided with the face sealing mechanism up and down for valve plate 3 at the valve body 6, the both sides of guide rail mechanism 5 are provided with the side sealing mechanism 7 for valve plate 3 at the valve body.
Preferably, the internal diameter of square discharging opening 8 is external in the external diameter of circular charging aperture 4, and the square discharging Mouth 8 and the circular charging aperture 4 are connected on the valve body, make to ensure the unobstructed of blanking without step in blanking channel.
The face sealing mechanism 6 up and down includes being respectively arranged on the seal groove 13 of the top and bottom of guide rail mechanism 5 and is located at The cover plate 12 at the top of seal groove 13, the airtight and watertight padding 9 that the inside of seal groove 13 is provided with closely connect with the surface of valve plate 3 Touch, the top of airtight and watertight padding 9 is provided with pressing plate 14, and the top of pressing plate 14 is provided with spring 10, is worn on the cover plate 12 and be connected to use In the fastener 11 for compressing the spring 10, designed by this, realize the excellent sealing of valve body and valve plate, when airtight and watertight padding is ground During damage, airtight and watertight padding can be compressed again by adjusting fastener, ensures sealing effectiveness;
The side sealing mechanism 7 includes the sealing column 15 being in close contact with the two sides of valve plate 3 respectively and worn respectively to connect In the fastener 11 of 5 liang of side chutes of guide rail mechanism, the sealing column 15 is compressed by spring, and the spring 10 is logical Cross the fastener 11 to be compressed, by this design, realize the sealing between valve plate side and horizontal concrete chute, work as sealing column During abrasion, by the screw-in of fastener, it can be achieved to compress sealing again.
The front end face of valve plate 3 is set to inclined-plane 17, and front end face both sides, which are located at the chute, is provided with protuberance 16, inclined-plane knot Structure enables the effect that valve plate is shoveled coal in closure, reduces resistance of the coal to valve plate, protruding parts are in runner position, in valve plate Have the function that to shovel out water conservancy diversion to entering the coal in chute during closure.
When completing the closure of the valve body, the rear end face of valve plate 3 stretches out outside the valve body valve plate 3, and Exceed the circular edge 10mm-20mm of charging aperture 4 in horizontal direction.When valve plate closes valve body, coal dust can be blocked completely The passage of material, it is ensured that the closure of valve, solve the drawbacks of valve plate closure is not tight in the prior art.
The second half slided during 3 valve body of valve plate along the guide rail mechanism 5, the guide rail mechanism 5 are not provided with sliding Groove, valve plate the powder remained in chute can be pushed to during closing in blanking channel, realize self-cleaning track function.
Embodiment of the present utility model when in use, electric motor starting, it is necessary to when closing coal valve, by synchronous hydraulic cylinder, Electrohydraulic push rod promotes valve plate to be moved into valve body, until valve plate is completed to enter valve body;When needing to open coal valve, synchronous hydraulic cylinder Retract, Electrohydraulic push rod pulls valve plate to leave valve body, until valve plate leaves valve body completely.
Valve plate in the utility model is moved through synchronous hydraulic cylinder and drives Electrohydraulic push rod as power, Electrohydraulic push rod volume Small, flexible movements, thrust is big, and cost is low, and stroke is stable, and push-and-pull valve plate does reciprocating action, realizes the switch of valve, in addition valve plate Present position, in external energy less than the open and close state operating personnel of valve plate are easy to know, can be instant when valve plate jam It was found that;Compared with prior art, the utility model is simple in construction, reasonable in design, small with power consumption, and low manufacture cost is real Existing coal dust can thoroughly solve the problems, such as the easy blocking of traditional valve in the market, stuck without leakage, can be as powder class material Valve widely uses.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to the utility model Limitation, retouching, modification or the equivalent substitution that all one of ordinary skill in the art are made as described above, belong to this reality With new protection domain.

Claims (7)

1. one kind singly drives electro-hydraulic push-pull valve, it is characterised in that:Valve plate including valve body and located at the valve body side, the valve body Outside is respectively equipped with circular charging aperture and square discharging opening, and the valve inner is provided with the guide rail mechanism to stretch out, described to lead Chute is provided with the inside of rail mechanism;The valve plate side is provided with Electrohydraulic push rod, and the valve plate acts on lower edge in the Electrohydraulic push rod The chute moves back and forth, and the Electrohydraulic push rod includes described synchronous with two synchronous hydraulic cylinders of valve plate connection and driving The motor of hydraulic cylinder works;The face sealing mechanism up and down for being directed to valve plate is provided with above the guide rail mechanism at the valve body, The guide rail mechanism both sides are provided with the side sealing mechanism for valve plate at the valve body.
2. according to claim 1 singly drive electro-hydraulic push-pull valve, it is characterised in that:The square discharging opening internal diameter is external in institute Circular charging aperture external diameter is stated, and the square discharging opening and the circular charging aperture are connected on the valve body.
3. according to claim 1 singly drive electro-hydraulic push-pull valve, it is characterised in that:The face sealing mechanism up and down includes difference Seal groove located at the guide rail mechanism top and bottom and the cover plate at the top of the seal groove, what the seal groove inside was provided with Airtight and watertight padding and the valve plate intimate surface contact, the airtight and watertight padding top are provided with pressing plate, spring are provided with above the pressing plate, The fastener being connected to for compressing the spring is worn on the cover plate.
4. according to claim 1 singly drive electro-hydraulic push-pull valve, it is characterised in that:The side sealing mechanism include respectively with institute State the sealing column of valve plate two sides close contact and be connected to the fastener of the side chute of guide rail mechanism two, the sealing respectively Post is compressed by spring, and the spring is compressed by the fastener.
5. according to claim 1 singly drive electro-hydraulic push-pull valve, it is characterised in that:The valve plate front end face is set to inclined-plane, preceding End face both sides, which are located at the chute, is provided with protuberance.
6. according to claim 1 singly drive electro-hydraulic push-pull valve, it is characterised in that:The valve plate completes closing for the valve body During conjunction, the valve plate rear end face is stretched out outside the valve body, and exceeds the circular feed hole edges 10mm- in the horizontal direction 20mm。
7. according to claim 1 singly drive electro-hydraulic push-pull valve, it is characterised in that:Led during the valve plate valve body along described The second half that rail mechanism slides, the guide rail mechanism are not provided with chute.
CN201720400888.7U 2017-04-17 2017-04-17 One kind singly drives electro-hydraulic push-pull valve Active CN206754415U (en)

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Application Number Priority Date Filing Date Title
CN201720400888.7U CN206754415U (en) 2017-04-17 2017-04-17 One kind singly drives electro-hydraulic push-pull valve

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Application Number Priority Date Filing Date Title
CN201720400888.7U CN206754415U (en) 2017-04-17 2017-04-17 One kind singly drives electro-hydraulic push-pull valve

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CN206754415U true CN206754415U (en) 2017-12-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109780236A (en) * 2019-01-29 2019-05-21 沈阳慧宇真空技术有限公司 The gate valve for quickly obstructing and circulating when being flowed for metallic particles in vacuum pipe
CN110220028A (en) * 2018-11-01 2019-09-10 嘉兴新嘉爱斯热电有限公司 Lower coal valve for power plant boiler
CN114658872A (en) * 2022-04-19 2022-06-24 安徽康迪纳电力科技有限责任公司 Bidirectional cylinder self-locking pneumatic sealing inserting plate door

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110220028A (en) * 2018-11-01 2019-09-10 嘉兴新嘉爱斯热电有限公司 Lower coal valve for power plant boiler
CN109780236A (en) * 2019-01-29 2019-05-21 沈阳慧宇真空技术有限公司 The gate valve for quickly obstructing and circulating when being flowed for metallic particles in vacuum pipe
CN114658872A (en) * 2022-04-19 2022-06-24 安徽康迪纳电力科技有限责任公司 Bidirectional cylinder self-locking pneumatic sealing inserting plate door
CN114658872B (en) * 2022-04-19 2023-08-18 安徽康迪纳电力科技有限责任公司 Bidirectional cylinder self-locking pneumatic sealing plugboard door

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