CN203808790U - Coal powder leakage-proof structure for coal cracker manhole door of thermal power plant - Google Patents
Coal powder leakage-proof structure for coal cracker manhole door of thermal power plant Download PDFInfo
- Publication number
- CN203808790U CN203808790U CN201420161058.XU CN201420161058U CN203808790U CN 203808790 U CN203808790 U CN 203808790U CN 201420161058 U CN201420161058 U CN 201420161058U CN 203808790 U CN203808790 U CN 203808790U
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- coal
- door body
- depression bar
- door
- power plant
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Abstract
The utility model provides a coal powder leakage-proof structure for a coal cracker manhole door of a thermal power plant. The coal powder leakage-proof structure comprises a door body, a compressed rod, a revolute pair and a bolt piece. The coal powder leakage-proof structure is characterized in that the revolute pair and the bolt piece are horizontally arranged on two sides of the door body; one end of the compressed rod is fixed on the revolute pair through a cylindrical pin; a pair of hinges is formed by the revolute pair and the cylindrical pin; the other end of compressed rod is fixed on the bolt piece through a withdrawable bolt; a shaft-shaped object, perpendicular to the direction of the door body, in the compressed rod punches through the compressed rod and presses on the door body. According to the coal powder leakage-proof structure, as the compressed rod is adopted for fixing, the fixing degree can be manually adjusted through a square of a screw; as a packing structure is adopted for sealing and the problem of leakage caused by poor sealing effect and casing deformation can be fundamentally and effectively solved.
Description
Technical field
The utility model relates to the anti-coal dust leakage structure of a kind of thermal power plant coal breaker manhole door.
Background technology
In steam power station, coal breaker is the coal-fired visual plant of supplying with, and coal breaker is in running, because bulk is under the impact force action of the rotor of rotation, impinge upon on coal breaker housing, get off for a long time, coal breaker housing distortion, manhole door is poorly sealed, occurs gap.Coal breaker is because of the very strong blast of the inner meeting formation of High Rotation Speed of rotor, and blast can release from the tiny gap of coal breaker manhole door, and pulverized coal particle also can release with work air pressure, and this has just caused the leakage of coal dust, and production scene has been formed to pollution.
Two annular hammer coal breakers of our factory of take are row, and manhole door adopts rubber as sealed material, use fixedly manhole door of steel latch, and initial stage sealing effectiveness is also comparatively good, but along with increase the running time of coal breaker, after housing distortion, just produce gradually gap, cause leakage.
The Chinese invention patent application that is CN201110101735.X as application number provides a kind of manhole door of sealed cylinder, the manhole door of sealing cylindrical shell adopts the structure of stopper slot and spacer pin, mode with a plurality of bolts, manhole door is carried out to multiple spot to be fixed, can alleviate to a certain extent manhole door poorly sealed problem after long-term use, but the problem of and housing distortion rotten for manhole door rubber after long-term work does not fundamentally provide effective solution.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of thermal power plant coal breaker manhole door anti-coal dust leakage structure, the anti-coal dust leakage structure of this thermal power plant's coal breaker manhole door is fixed by depression bar, with the square of screw rod, fixation degree is carried out to manual adjustment, structure with packing seals, thereby fundamentally efficiently solve, sealing effectiveness is not good causes with housing distortion the problem of revealing.
The utility model is achieved by the following technical programs.
The anti-coal dust leakage structure of a kind of thermal power plant coal breaker manhole door that the utility model provides, comprises a body, depression bar, revolute pair and plug blades, it is characterized in that: described door body both sides are horizontally disposed with respectively revolute pair and plug blades; Described depression bar one end is fixed in revolute pair by straight pin, and revolute pair and straight pin form a secondary hinge, and the depression bar other end is fixed in plug blades by the latch that can extract out; In direction perpendicular to door body in described depression bar, there is shaft break-through depression bar to be pressed on a body.
Described shaft is screw rod, and screw rod is pressed on the fixed block on a body, and screw rod is fixed with handwheel with respect to the far-end of door body; In described depression bar, in screw rod, through position, there is the screw thread with screw rod form fit.
The end, one end that described shaft is pressed on a body is coniform, and circular cone has screw thread on domatic; On door body, in position that shaft is pressed, there is screw; Screw screw thread coupling on screw thread on circular cone is domatic and door body.
Described screw is blind hole.
Described door body is provided with packing on the another side of depression bar.
On described door body, in the one side of depression bar, be provided with handle.
The beneficial effects of the utility model are: by depression bar, be fixed, with the square of screw rod, fixation degree carried out to manual adjustment, with the structure of packing, seal, thereby fundamentally efficiently solve the not good and housing distortion of sealing effectiveness, cause the problem of revealing.
Accompanying drawing explanation
Fig. 1 is elevation of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is the elevation of door body in Fig. 1;
Fig. 4 is the rear elevation of door body in Fig. 1;
In figure: 11-door body, 12-door hinge, 13-handle, 14-packing, 15-fixed block, 16-screw, 21-depression bar, 22-screw rod, 23-handwheel, 24-screw head, 31-revolute pair, 32-straight pin, 33-plug blades, 34-latch.
The specific embodiment
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
The anti-coal dust leakage structure of thermal power plant's coal breaker manhole door, comprises a body 11, depression bar 21, revolute pair 31 and plug blades 33 as shown in Figures 1 to 4, it is characterized in that: described door body 11 both sides are horizontally disposed with respectively revolute pair 31 and plug blades 33; Described depression bar 21 one end are fixed in revolute pair 31 by straight pin 32, and revolute pair 31 and straight pin 32 form a secondary hinge, and depression bar 21 other ends are fixed in plug blades 33 by the latch 34 that can extract out; In direction perpendicular to door body 11 in described depression bar 21, there is shaft break-through depression bar 21 to be pressed on a body 11.
Described shaft is screw rod 22, and screw rod 22 is pressed on the fixed block 15 on a body 11, and screw rod 22 is fixed with handwheel 23 with respect to the far-end of door body 11; In described depression bar 21, in screw rod 22, through position, there is the screw thread with screw rod 22 form fit.
The end, one end that described shaft is pressed on a body 11 is coniform, and circular cone has screw thread on domatic; On door body 11, in position that shaft is pressed, there is screw 16; Screw 16 screw thread couplings on screw thread on circular cone is domatic and door body 11.
Described screw 16 is blind hole.
Described door body 11 is provided with packing 14 on the another side of depression bar 21.
On described door body 11, in the one side of depression bar 21, be provided with handle 13.
During use, people's handle 13, a body 11 is closed under the effect of door hinge 12, then the wheel 23 of people being shaken hands makes depression bar 21 press down in the hinge effect of revolute pair 31 and straight pin 32 formations the body 11 of visiting, plug subsequently latch 34 and make depression bar 21 fixing, then rotate handwheel 23 make screw rod 22 to door body 11 support into, thereby under the effect of screw rod 22, guarantee that 11 sealings of door body are tight.
In the long-term process of using, door body 11 may deform, and due to the setting of screw rod 22 and screw 16, door body 11 can always keep sealing tight device, thus, although the situation of door body 11 gross distortions still may need to change, but the structure of screw rod 22 and screw 16 at least can guarantee can guarantee within a very long time before door body 11 gross distortions that sealing is tight, thus the extraordinary generation that avoid leakage of energy under the normal production and operation of enterprise, the normal prerequisite that equipment is safeguarded.
Packing and rubber are more soft, when being under pressure, be more easily pressed on equipment, be adjacent to equipment, between door body 11 and coal breaker body, form sealing, and packing 14 also has better crushing resistance, can guarantee that thus manhole door can not cause because simple encapsulant is rotten poorly sealed, especially under the normal production and operation of enterprise, the normal prerequisite that equipment is safeguarded, can extremely effectively avoid because of the rotten leakage causing of encapsulant.
Claims (6)
- The anti-coal dust leakage structure of 1.Yi Zhong thermal power plant coal breaker manhole door, comprise a body (11), depression bar (21), revolute pair (31) and plug blades (33), it is characterized in that: described door body (11) both sides are horizontally disposed with respectively revolute pair (31) and plug blades (33); It is upper that described depression bar (21) one end is fixed on revolute pair (31) by straight pin (32), and revolute pair (31) and straight pin (32) form a secondary hinge, and depression bar (21) other end is fixed in plug blades (33) by the latch (34) that can extract out; In direction perpendicular to door body (11) in described depression bar (21), there is shaft break-through depression bar (21) to be pressed on a body (11).
- 2. the anti-coal dust leakage structure of thermal power plant as claimed in claim 1 coal breaker manhole door, it is characterized in that: described shaft is screw rod (22), it is upper that screw rod (22) is pressed in fixed block (15) on a body (11), and screw rod (22) is fixed with handwheel (23) with respect to the far-end of door body (11); In described depression bar (21), in screw rod (22), through position, there is the screw thread with screw rod (22) form fit.
- 3. the anti-coal dust leakage structure of thermal power plant as claimed in claim 1 or 2 coal breaker manhole door, is characterized in that: the end, one end that described shaft is pressed on a body (11) is coniform, and circular cone has screw thread on domatic; Door body (11) above has screw (16) in position that shaft is pressed; Screw (16) screw thread coupling on screw thread on circular cone is domatic and door body (11).
- 4. the anti-coal dust leakage structure of thermal power plant as claimed in claim 3 coal breaker manhole door, is characterized in that: described screw (16) is blind hole.
- 5. the anti-coal dust leakage structure of thermal power plant as claimed in claim 1 coal breaker manhole door, is characterized in that: described door body (11) is provided with packing (14) on the another side of depression bar (21).
- 6. the anti-coal dust leakage structure of thermal power plant as claimed in claim 1 coal breaker manhole door, is characterized in that: described door body (11) is upper is provided with handle (13) in the one side of depression bar (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420161058.XU CN203808790U (en) | 2014-04-03 | 2014-04-03 | Coal powder leakage-proof structure for coal cracker manhole door of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420161058.XU CN203808790U (en) | 2014-04-03 | 2014-04-03 | Coal powder leakage-proof structure for coal cracker manhole door of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203808790U true CN203808790U (en) | 2014-09-03 |
Family
ID=51447564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420161058.XU Expired - Fee Related CN203808790U (en) | 2014-04-03 | 2014-04-03 | Coal powder leakage-proof structure for coal cracker manhole door of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203808790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134016A (en) * | 2015-10-10 | 2015-12-09 | 厦门理工学院 | Manhole door of dust collector |
| CN114412330A (en) * | 2022-01-19 | 2022-04-29 | 大峘集团有限公司 | Improved structure for local air leakage due to uneven stress of manhole door |
-
2014
- 2014-04-03 CN CN201420161058.XU patent/CN203808790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134016A (en) * | 2015-10-10 | 2015-12-09 | 厦门理工学院 | Manhole door of dust collector |
| CN114412330A (en) * | 2022-01-19 | 2022-04-29 | 大峘集团有限公司 | Improved structure for local air leakage due to uneven stress of manhole door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 |