CN2200754Y - Improved cone cap locking air apparatus - Google Patents
Improved cone cap locking air apparatus Download PDFInfo
- Publication number
- CN2200754Y CN2200754Y CN94239448U CN94239448U CN2200754Y CN 2200754 Y CN2200754 Y CN 2200754Y CN 94239448 U CN94239448 U CN 94239448U CN 94239448 U CN94239448 U CN 94239448U CN 2200754 Y CN2200754 Y CN 2200754Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- lever
- turning cylinder
- rotary shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an improved cone cap locking air apparatus. The utility model is installed on a pipeline housing at the outlet of a cyclone separator for coal powder in the coal feeding pipeline of a boiler in a power plant and is composed of a cone cap, a rotary shaft, a balance hammer, a pry bar and a balance bar. The utility model is characterized in that the rotary shaft is supported by a Rolling bearing seat, and the pry bar and the sealing structure of the pipeline housing are composed of an upper pressing plate, a lower pressing plate, a sliding plate, an elastic sealing ring and an annular sealing ring. The pry bar passes through the guide holes of the upper and the lower both pressing plates and the central hole of the sliding plate. When the utility model is used, the rotary shaft can be rotated neatly and reliably, and the utility model has good sealing effect, is hard to be damaged and has convenient maintenance.
Description
The utility model proposes a kind of improved awl cap flapper, be mounted in the device on the pipeline shell of coal dust pulverized-coal collector exit in the power plant boiler coal-supplying pipe.
Present awl cap flapper adopts the double-pole frame to support turning cylinder, and the leather hood shell is adopted in the sealing between lever and the conduit enclosure, is commonly called as the design of bellows.The shortcoming of this structure is that turning cylinder is often dislocated from knife rest, and bellows damages easily and leaks gas, and causes flapper to lose efficacy.Service life is short, and maintenance load is big.
The utility model proposes a kind of improved design at above-mentioned shortcoming exactly, gets rid of knife rest and bellows structure, improves the reliability of flapper, increases the service life.
Design of the present utility model is, a kind of improved awl cap flapper, by awl cap, turning cylinder, counterweight, be connected the lever between awl cap and the turning cylinder and be connected turning cylinder and counterweight between balancing pole form.Newly-designed improvements are: turning cylinder is by the rolling bearing seat supports that is installed on the pipeline shell; Hermetically-sealed construction between lever and the pipeline shell is by linking together and being fixed on top board, the lower platen on the pipeline shell and the slide plate that is clipped between the upper and lower pressing plate is formed, top board is provided with identical long guiding hole with lower platen, slide plate is provided with medium pore, lever is through among long guiding hole and the medium pore, be provided with elastic seal ring between medium pore and the lever, be embedded with O-ring seal between slide plate and the lower platen.
Effect of the present utility model is: with rolling bearing seat supports turning cylinder, make the lever construction of being made up of awl cap, lever, balancing pole, counterweight rotate flexibility and reliability, the axis of rolling can not dislocated from bearing block.Lever is when swing, drive slide plate and between upper and lower pressing plate, reciprocatingly slide, play the effect of lock gas, add the elastic seal ring between lever and the slide plate and the effect of the O-ring seal between slide plate and the lower platen, the sealing effectiveness of its lock gas is fabulous, and not fragile.Even need repairing, only need to change sealing ring, to reduce many than original maintenance load.
Provide embodiment and accompanying drawing thereof below.
Fig. 1 is mounted in the awl cap flapper structural representation on the pipeline shell.
Fig. 2 is lever construction and the sealed structural representation that omits rolling bearing pedestal.
Fig. 3 is an A-A place cross sectional plan view among Fig. 2.
Fig. 4 is Fig. 3 middle slide plate vertical view.
A kind of improved awl cap flapper shown in Fig. 1,2,3,4, by awl cap 7, turning cylinder 1, counterweight 4, be connected the lever 6 between awl cap and the turning cylinder and be connected turning cylinder and counterweight 4 between balancing pole 3 form.Turning cylinder 1 is supported by the rolling bearing pedestal 2 that is installed on the pipeline shell 8.Hermetically-sealed construction 5 detailed construction between lever 6 and the pipeline shell are as shown in Figure 2: it is by linking together and being fixed on top board 11, the lower platen 14 on the pipeline shell 8 and the slide plate 12 that is clipped between the upper and lower pressing plate is formed.Top board 11 is provided with identical long guiding hole 16 with lower platen 14, and slide plate 12 is provided with medium pore 15.Lever 6 is through among long guiding hole 16 and the medium pore 15, reaches outside the pipeline shell in pipeline shell.Be provided with elastic seal ring 10 between medium pore 15 and the lever 16, and compress with gland 9.Be embedded with O-ring seal 13 between slide plate 12 and the lower platen 14.
Claims (1)
- A kind of improved awl cap flapper, by awl cap (7), turning cylinder (1), counterweight (4), be connected the lever (6) between awl cap and the turning cylinder and be connected turning cylinder and counterweight (4) between balancing pole (3) form, it is characterized in that:A. turning cylinder (1) is supported by the rolling bearing pedestal (2) that is installed on the pipeline shell (8);B. the hermetically-sealed construction (5) between lever (6) and the pipeline shell (8) is by linking together and being fixed on top board (11) on the pipeline shell (8), lower platen (14) and being clipped in, slide plate between the lower platen (12) is formed, top board (11) is provided with identical long guiding hole (16) with lower platen (14), slide plate (12) is provided with medium pore (15), lever (6) is through among long guiding hole (16) and the medium pore (15), be provided with elastic seal ring (10) between medium pore (15) and the lever (16), be embedded with O-ring seal (13) between slide plate (12) and the lower platen (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94239448U CN2200754Y (en) | 1994-10-08 | 1994-10-08 | Improved cone cap locking air apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94239448U CN2200754Y (en) | 1994-10-08 | 1994-10-08 | Improved cone cap locking air apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2200754Y true CN2200754Y (en) | 1995-06-14 |
Family
ID=33846665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94239448U Expired - Fee Related CN2200754Y (en) | 1994-10-08 | 1994-10-08 | Improved cone cap locking air apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2200754Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871798A (en) * | 2010-05-25 | 2010-10-27 | 孙家鼎 | System for accurately measuring power gravity flow at real time |
-
1994
- 1994-10-08 CN CN94239448U patent/CN2200754Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871798A (en) * | 2010-05-25 | 2010-10-27 | 孙家鼎 | System for accurately measuring power gravity flow at real time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Yada Instrument Machinery Factory, Shanghai Document name: payment instructions |
|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Yada Instrument Machinery Factory, Shanghai Document name: Notice of termination |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |