CN204647342U - air cylinder lifting valve - Google Patents
air cylinder lifting valve Download PDFInfo
- Publication number
- CN204647342U CN204647342U CN201520347066.8U CN201520347066U CN204647342U CN 204647342 U CN204647342 U CN 204647342U CN 201520347066 U CN201520347066 U CN 201520347066U CN 204647342 U CN204647342 U CN 204647342U
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- air cylinder
- lifting valve
- piston rod
- coupling shaft
- cylinder
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Abstract
The utility model discloses a kind of air cylinder lifting valve, especially a kind of air cylinder lifting valve for cement and Thermal Power Generation Industry deduster field.The application provides a kind of and can avoid because the impact of heat smoke causes the seal ring of air cylinder lifting valve damage and the air cylinder lifting valve of gas leakage occurs.Comprise cylinder barrel, cylinder piston rod, deduster top board, cylinder front cover, cover plate and seal ring, also comprise air cylinder support and coupling shaft, described air cylinder support is arranged between deduster top board and cushion block, described support is provided with base plate, described base plate is connected with cushion block, described coupling shaft and cylinder piston rod removably connect, and described seal ring is set on cylinder piston rod, and seal ring is arranged on the top of deduster top board.Instead of the position of piston rod in deduster with a coupling shaft, coupling shaft is between the cover plate of deduster and top board always, completely that air cylinder lifting valve is independent from dust collector, change the working environment of air cylinder lifting valve seals.
Description
Technical field
The utility model relates to a kind of air cylinder lifting valve, especially a kind of air cylinder lifting valve for cement and Thermal Power Generation Industry deduster field.
Background technique
As shown in Figure 1, the air cylinder lifting valve of prior art, be made up of component such as cylinder barrel, cylinder piston rod, deduster top board, cylinder front cover, cover plate and seal rings, cylinder piston rod stretches in cylinder barrel, cylinder barrel is fixedly connected with cylinder front cover, and cylinder front cover is connected with cushion block.Air cylinder lifting valve constitution is simply easy to use, has been widely used on deduster and has deeply liked by numerous users, but air cylinder lifting valve in use always leaks air because of the impact of heat smoke.The piston rod of present air cylinder lifting valve is directly connected with the cover plate that gathers dust, and the heat of flue gas can be delivered to the seal ring place of poppet valve front cover by piston rod in the process of work, the seal ring of air cylinder lifting valve is finally caused to damage and leak gas, mainly take to change the material of air cylinder lifting valve piston bar at present to solve this situation, but no matter how material is changed or fundamentally can not solve piston rod heat trnasfer problem.Therefore a kind of can avoiding because the impact of heat smoke causes the seal ring of air cylinder lifting valve damage and the air cylinder lifting valve of gas leakage occurs also is not had in prior art.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of can avoiding because the impact of heat smoke causes the seal ring of air cylinder lifting valve damage and the air cylinder lifting valve of gas leakage occurs.
For solving the problems of the technologies described above the air cylinder lifting valve that the utility model adopts, comprise cylinder barrel, cylinder piston rod, deduster top board, cylinder front cover, cover plate and seal ring, described cylinder piston rod stretches in cylinder barrel, described cylinder barrel is fixedly connected with cylinder front cover, described cylinder front cover is connected with cushion block, one end of cylinder piston rod is connected with cover plate, also comprise air cylinder support and coupling shaft, described air cylinder support is arranged between deduster top board and cushion block, described support is provided with base plate, described base plate is connected with cushion block, described coupling shaft and cylinder piston rod removably connect, described seal ring is set on cylinder piston rod, and seal ring is arranged on the top of deduster top board, one end away from cylinder piston rod on described coupling shaft is connected with cover plate.
Further, described coupling shaft with between cylinder piston rod for being threaded.
Further, also comprise thread bush, described thread bush is provided with internal thread, described coupling shaft is provided with outside thread, described cylinder piston rod is provided with internal thread, described coupling shaft and thread bush.
Further, described base plate and cushion block are bolted.
Further, described coupling shaft is solid round steel.
The beneficial effects of the utility model are: use a fixing coupling shaft to instead of the position of piston rod in deduster, coupling shaft is between the cover plate of deduster and top board always, completely that air cylinder lifting valve is independent from dust collector, change the working environment of air cylinder lifting valve seals like this, it is very little for how changing the seal ring impact of air cylinder lifting valve regardless of the flue gas in deduster.In addition, coupling shaft is threaded connection to overlap with air cylinder lifting valve piston bar bar and is connected, connecting sleeve is arranged on again more than deduster top cover simultaneously, if deduster just can be threaded connection cover when occurring air cylinder lifting valve fault and must change poppet valve in course of normal operation realize online replacing, not only improve deduster working efficiency and also a saving replacing construction.
Accompanying drawing explanation
Fig. 1 is the structural representation of air cylinder lifting valve in prior art;
Fig. 2 is the structural representation of the application's air cylinder lifting valve;
Be labeled as in figure: cylinder barrel 1, cylinder piston rod 2, deduster top board 3, cylinder front cover 4, seal ring 5, air cylinder support 6, coupling shaft 7, thread bush 8, base plate 9, cover plate 10
Embodiment
As shown in Figure 2, the air cylinder lifting valve that the utility model provides, comprise cylinder barrel 1, cylinder piston rod 2, deduster top board 3, cylinder front cover 4 and seal ring 5, described cylinder piston rod 2 stretches in cylinder barrel 1, described cylinder barrel 1 is fixedly connected with cylinder front cover 4, described cylinder front cover 4 is connected with cushion block, one end of cylinder piston rod 2 is connected with cover plate 10, also comprise air cylinder support 6 and coupling shaft 7, described air cylinder support 6 is arranged to be liked between dirt device top board and cushion block, described support is provided with base plate 9, described base plate 9 is connected with cushion block, described coupling shaft 7 removably connects with cylinder piston rod 2, described seal ring 5 is set on cylinder piston rod 2, and seal ring 5 is arranged on the top of deduster top board 3, one end away from cylinder piston rod 2 on described coupling shaft 7 is connected with cover plate 10.Add piston rod length by coupling shaft 7, the path making flue gas carry out heat trnasfer by piston rod increases, and slackens the heat that flue gas passes to seal ring 5, extends the working life of seal ring 5.Additionally by the air cylinder support 6 set up, change Placement, air cylinder lifting valve front end is not connected with deduster lid top panel, thus make air cylinder lifting valve become an independent entirety, finally realize the online replacing of air cylinder lifting valve.
Described coupling shaft 7 with between cylinder piston rod 2 for being threaded.Adopt the online replacing that can facilitate between coupling shaft 7 and cylinder piston rod 2 that is threaded
Also comprise thread bush 8, described thread bush 8 is provided with internal thread, described coupling shaft 7 is provided with outside thread, described cylinder piston rod 2 is provided with internal thread, described coupling shaft 7 and thread bush 8.By thread bush 8, coupling shaft 7 and cylinder piston rod 2 are linked together, simple and reliable for structure, be also convenient to dismounting simultaneously and change.
Described base plate 9 is bolted with cushion block.Base plate 9 is with bolts with cushion block, makes firm and reliable connection.
Described coupling shaft 7 is solid round steel.Adopt solid round steel to be that coupling shaft 7 possesses enough strength and stiffness, ensure that coupling shaft 7 in use can not be out of shape.
The air cylinder lifting valve of the application be adopt the transmission of heat with the prolongation in path gradually decreased principle and path that eye-bolt shaft makes flue gas carry out heat trnasfer by piston rod increases, change Placement simultaneously, finally slacken the heat that flue gas passes to seal ring 5, extend the working life of seal ring 5, additionally by change Placement, air cylinder lifting valve front end is not connected with deduster lid top panel, but make air cylinder lifting valve become an independent entirety, finally realize the online replacing of air cylinder lifting valve.
The working principle of the air cylinder lifting valve of the application is as follows: air cylinder lifting valve is connected with deduster top board 3 by the air cylinder support 6 newly increased, air cylinder lifting valve is directly installed on air cylinder support 6 base plate 9 of increase, be threaded connection cover cover and connect the coupling shaft 7 and cylinder poppet valve piston rod that increase, the coupling shaft 7 increased is connected with dust remover air duct cover plate 10, in worked process, driven the elongation and contraction that increase coupling shaft 7 by the promotion of air cylinder lifting valve piston bar, finally realize the switch of dust remover air duct lid cover plate 10.
The air cylinder lifting valve of the application and the Placement of air cylinder lifting valve of the prior art and deduster are shown in accompanying drawing 2 and accompanying drawing 1, can find that existing is not that the poppet valve of asking key different with deduster Placement from air cylinder lifting valve of the prior art should be that the fixing coupling shaft 7 of use one instead of the position of piston rod in deduster by two width accompanying drawings, make coupling shaft 7 be between the cover plate 10 of deduster and top board always, completely entirely that air cylinder lifting valve is independent from dust collector, change the working environment of air cylinder lifting valve seals 5 like this, it is very little for how changing seal ring 5 impact of air cylinder lifting valve regardless of the flue gas in deduster.In addition, coupling shaft 7 is threaded connection to overlap with air cylinder lifting valve piston bar bar and is connected, connecting sleeve is arranged on again more than deduster top cover simultaneously, if deduster in course of normal operation in there is air cylinder lifting valve fault and poppet valve must be changed time just can be threaded connection cover and realize online replacing, not only improve deduster working efficiency and also a saving replacing construction.
Claims (5)
1. air cylinder lifting valve, comprise cylinder barrel (1), cylinder piston rod (2), deduster top board (3), cylinder front cover (4), cover plate (10) and seal ring (5), described cylinder piston rod (2) stretches in cylinder barrel (1), described cylinder barrel (1) is fixedly connected with cylinder front cover (4), described cylinder front cover (4) is connected with cushion block, it is characterized in that: also comprise air cylinder support (6) and coupling shaft (7), described air cylinder support (6) is arranged between deduster top board (3) and cushion block, described support is provided with base plate (9), described base plate (9) is connected with cushion block, described coupling shaft (7) and cylinder piston rod (2) removably connect, described seal ring (5) is set on cylinder piston rod (2), and seal ring (5) is arranged on the top of deduster top board (3), described coupling shaft (7) is connected with cover plate (10) away from one end of cylinder piston rod (2).
2. air cylinder lifting valve according to claim 1, is characterized in that: for being threaded between described coupling shaft (7) with cylinder piston rod (2).
3. air cylinder lifting valve according to claim 2, it is characterized in that: also comprise thread bush (8), (8) are provided with internal thread to described thread bush, (7) are provided with outside thread to described coupling shaft, (2) are provided with internal thread to described cylinder piston rod, described coupling shaft (7) and thread bush (8).
4. air cylinder lifting valve according to claim 1, is characterized in that: described base plate (9) and cushion block are bolted.
5. air cylinder lifting valve according to claim 1, is characterized in that: described coupling shaft (7) is solid round steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347066.8U CN204647342U (en) | 2015-05-26 | 2015-05-26 | air cylinder lifting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347066.8U CN204647342U (en) | 2015-05-26 | 2015-05-26 | air cylinder lifting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647342U true CN204647342U (en) | 2015-09-16 |
Family
ID=54100096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520347066.8U Active CN204647342U (en) | 2015-05-26 | 2015-05-26 | air cylinder lifting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647342U (en) |
-
2015
- 2015-05-26 CN CN201520347066.8U patent/CN204647342U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |