CN204358144U - High temperature and high pressure steam power station sluice valve - Google Patents
High temperature and high pressure steam power station sluice valve Download PDFInfo
- Publication number
- CN204358144U CN204358144U CN201420822589.9U CN201420822589U CN204358144U CN 204358144 U CN204358144 U CN 204358144U CN 201420822589 U CN201420822589 U CN 201420822589U CN 204358144 U CN204358144 U CN 204358144U
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- flashboard
- boss
- valve body
- power station
- pressure steam
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Abstract
The utility model relates to a kind of high temperature and high pressure steam power station sluice valve, solve the problem that sealing is not good, it comprises valve body, wedge shape flashboard, flashboard frame, valve rod, described wedge shape flashboard comprises left flashboard and right flashboard, the first boss of band cylinder shape groove is provided with in the middle of left flashboard, the second boss of spherical groove is provided with in the middle of right flashboard, also comprise overhead gage, lower pedal and the top heart, overhead gage is socketed the upper end of left flashboard and right flashboard, and be fixed on flashboard frame upper-end surface, lower pedal is socketed the lower end of left flashboard and right flashboard, and be fixed on flashboard frame lower end surface, the top heart is bullet type, in flashboard decline process, left flashboard cannot deformation, thus power used the top heart to pass to right flashboard, right flashboard is subject to the extruding force of valve body and left flashboard, can rotate along upper the counterclockwise trace of spherical arc of the top heart, successfully valve body can be entered further to make wedge shape flashboard, thus make a left side, the sealing of the sealing surface of right flashboard and valve body is better.
Description
Technical field
The utility model relates to a kind of gate valve, particularly a kind of high temperature and high pressure steam power station sluice valve.
Background technique
Domestic and international traditional gate valve is all the single, double flashboard structure adopting band inclined-plane, and form the sealing pair on an inclined-plane with valve seat, the lower thrust by valve rod reaches the effect of forced seal.Wedge brake plate-type gate valve adopts double-flashboard structure usually, and it mainly comprises valve body, the valve rod goed deep in valve body, the left and right flashboard etc. be connected with valve rod.It blocks principle, and valve rod promotes left and right flashboard and enters in the runner of valve body, utilizes flashboard and valve body to realize the selfsealings of runner.
Patent No. 201020688234.7(High Temperature High Pressure power station forged steel gate valve) describe gate valve be by top bulbus cordis with push up the coordinating of heart seat, left and right flashboard is pushed open, be pressed on sealing surface of seat and realize Gate-valve sealing, it is excessive to there is ram assemblies axial dimension in this kind of structure, suitable body size is caused also to want corresponding increase, increase cost of production, and application area can be limited, and be steel ball owing to pushing up bulbus cordis, on flashboard in decline process, left and right flashboard can relative movement, unbalance stress and cause sealing not good; And utilize the top bulbus cordis of jujube caryogram directly to promote left and right flashboard, increase area of contact, reduce working stress, this kind of structure on flashboard in decline process, can not carry out rotation-sliding, and sealing is not good.
Model utility content
In order to overcome the not good deficiency of sealing, the utility model provides a kind of high temperature and high pressure steam power station sluice valve.
The technological scheme that the utility model adopts is: a kind of high temperature and high pressure steam power station sluice valve, it comprises valve body, wedge shape flashboard, flashboard frame, valve rod, wedge shape flashboard is contained in the middle of valve body, valve rod lower end is connected to flashboard frame upper end, flashboard frame runs through and is connected on wedge shape flashboard, described wedge shape flashboard comprises left flashboard and right flashboard, the first boss of band cylinder shape groove is provided with in the middle of left flashboard, the second boss of spherical groove is provided with in the middle of right flashboard, described first boss, second boss is suitable with the hole of flashboard frame centre respectively, also comprise overhead gage, lower pedal and the top heart, overhead gage is socketed the upper end of left flashboard and right flashboard, and be fixed on flashboard frame upper-end surface, lower pedal is socketed the lower end of left flashboard and right flashboard, and be fixed on flashboard frame lower end surface, the top heart is bullet type, be placed in the hole of flashboard frame, its upper end is hemisphere, suitable with ball recess, lower end is cylindrical, suitable with cylinder shape groove.
Described left flashboard, right flashboard upper end are respectively equipped with the 3rd boss, and the 3rd boss and overhead gage socket-connect, and described left flashboard, right flashboard lower end are respectively equipped with the 4th boss, and the 4th boss and lower pedal socket-connect.
Overhead gage is run through in described valve rod lower end, and valve rod lower end is fixed in the opening slot of flashboard frame upper end by bearing pin.
Described lower pedal is connected with flashboard frame lower end surface by hexagon nut.
Also comprise sealing pair, sealing pair is separately positioned between valve seat and left flashboard and between valve seat and right flashboard.
Also comprise the sealing mechanism being arranged on valve rod and valve body upper end-hole, described sealing mechanism comprises Stuffing box, filler, wedge-type seal pad, packing ring, pendant collet, pressure ring, gland and gland, described Stuffing box runs through and is socketed on valve rod, and Stuffing box is embedded on valve body, wedge-type seal pad, packing ring, pendant collet and pressure ring are successively set on the contacting point of Stuffing box and valve body from the bottom up, filler is arranged on the contacting point of Stuffing box and valve rod, gland is fixed on filler upper end, gland is pressed in above gland, and gland is by fastening piece fixing link bolt block.
Described filler is Expanded graphite.
Also comprise support, described support is fixedly connected on valve body upper end by fastening piece.
Also comprise electric actuator, described electric actuator is fixedly connected on pedestal upper end by fastening piece.
The beneficial effects of the utility model are: the lower end of the utility model top heart is embedded in cylinder shape groove, make left flashboard can not produce displacement relative to flashboard frame in lift process up and down, and the upper end of pushing up the heart heads on ball recess, make right flashboard can produce certain skew relative to flashboard frame in lift process up and down, such as in the wedge shape flashboard drop-down stage, in the process of wedge shape flashboard and valve body contact, because the feature that wedge shape flashboard is wide at the top and narrow at the bottom, left, right flashboard all can be extruded, left flashboard cannot deformation, thus power used the top heart to pass to right flashboard, right flashboard is subject to the extruding force of valve body and left flashboard, can rotate along upper the counterclockwise trace of spherical arc of the top heart, successfully valve body can be entered further to make wedge shape flashboard, when right flashboard rotates to the limit, when no longer rotating, the right flashboard be extruded can give left flashboard thrust by the top heart, a final left side, right flashboard is in the squeezed state of stress balance, thus make a left side, the sealing of the sealing surface of right flashboard and valve body is better.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is the utility model wedge shape flashboard schematic diagram.
Fig. 3 is the left flashboard schematic diagram of the utility model.
Fig. 4 is the right flashboard schematic diagram of the utility model.
Fig. 5 is A place enlarged view in Fig. 1.
Fig. 6 is B place enlarged view in Fig. 1.
Fig. 7 is C place enlarged view in Fig. 1.
1-valve body, 11-sealing pair, 2-wedge shape flashboard, the left flashboard of 21-, 211-first boss, 212-cylinder shape groove, 213-the 3rd boss, 214-the 4th boss, the right flashboard of 22-, 221-second boss, 222-ball recess, 3-flashboard frame, 31-hole, 4-valve rod, 51-overhead gage, 52-lower pedal, 53-pushes up the heart, 531-hemisphere, 532-cylinder, 61-Stuffing box, 62-filler, 63-wedge-type seal pad, 64-packing ring, 65-pendant collet, 66-pressure ring, 67-gland, 68-gland, 7-support, 8-electric actuator.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As Fig. 1, shown in Fig. 2 and Fig. 5, a kind of high temperature and high pressure steam power station sluice valve, it comprises valve body 1, wedge shape flashboard 2, flashboard frame 3, valve rod 4, wedge shape flashboard 2 is contained in the middle of valve body 1, valve rod 4 lower end is connected to flashboard frame 3 upper end, flashboard frame 3 runs through and is connected on wedge shape flashboard 2, described wedge shape flashboard 2 comprises left flashboard 21 and right flashboard 22, the first boss 211 of band cylinder shape groove 212 is provided with in the middle of left flashboard 21, the second boss 221 of spherical groove 222 is provided with in the middle of right flashboard 22, described first boss 211, second boss 221 is suitable with the hole 31 of flashboard frame 3 centre respectively, also comprise overhead gage 51, lower pedal 52 and the top heart 53 be placed in the hole 31 of flashboard frame 3, overhead gage 51 is socketed the upper end of left flashboard 21 and right flashboard 22, and be fixed on flashboard frame 3 upper-end surface, lower pedal 52 is socketed the lower end of left flashboard 21 and right flashboard 22, and be fixed on flashboard frame 3 lower end surface, on, lower pedal is socketed a left side respectively, right flashboard, with by a left side, right flashboard is fixed on flashboard frame 3, the top heart 53 is bullet type, its upper end is hemisphere 531, suitable with ball recess 222, lower end is cylinder 532, suitable with cylinder shape groove 212, the lower end of the top heart 53 is embedded in cylinder shape groove 212, make left flashboard 21 can not produce displacement relative to flashboard frame 3 in lift process up and down, and the upper end of pushing up the heart 53 heads on ball recess 222, make right flashboard 22 can produce certain skew relative to flashboard frame 3 in lift process up and down, such as in the wedge shape flashboard 2 drop-down stage, in the process that wedge shape flashboard 2 contacts with valve body 1, because the feature that wedge shape flashboard 2 is wide at the top and narrow at the bottom, left, right flashboard all can be extruded, left flashboard 21 cannot deformation, thus power used the top heart 53 to pass to right flashboard 22, right flashboard 22 is subject to the extruding force of valve body 1 and left flashboard 21, can rotate along upper the counterclockwise trace of spherical arc of the top heart 53, valve body 1 can be successfully entered further to make wedge shape flashboard 2, when right flashboard 22 rotates to the limit, when no longer rotating, the right flashboard 22 be extruded can give left flashboard 21 1 thrusts by the top heart 53, a final left side, right flashboard is in the squeezed state of stress balance, thus make a left side, the sealing of the sealing surface of right flashboard and valve body 1 is better.
As Fig. 2, shown in Fig. 3 and Fig. 4, described left flashboard 21, right flashboard 22 upper end is respectively equipped with the 3rd boss 213, 3rd boss 213 socket-connects with overhead gage 51, described left flashboard 21, right flashboard 22 lower end is respectively equipped with the 4th boss 214, 4th boss 214 socket-connects with lower pedal 52, on, lower pedal matches, respectively to a left side, right flashboard carries out spacing, limit left flashboard 21 to left dislocation and the displacement to the right of the right flashboard 22 of restriction, overhead gage 51 is run through in described valve rod 4 lower end, valve rod 4 lower end is fixed on by bearing pin in the opening slot of flashboard frame 3 upper end, described lower pedal 52 is connected with flashboard frame 3 lower end surface by hexagon nut, thus make a left side, right flashboard and upper, lower pedal and flashboard frame 3 form an entirety, when valve rod 4 lifts downwards, overhead gage 51 can be given left, one, right flashboard promotes its power to bottom offset, when valve rod 4 upwards lifts, lower pedal 52 can be given left, one, right flashboard drives its power to top offset.
As shown in Figure 5, also comprise two pairs of sealing pairs 11, often pair of sealing pair 11 is made up of two sealing gaskets, and wherein a pair sealing pair 11 is arranged between valve body 1 and left flashboard 21, a sealing gasket of sealing pair 11 is fixed on valve body 1 sidewall, and another sealing gasket is fixed on left flashboard 21 sidewall; A pair sealing pair 11 is arranged between valve body 1 and right flashboard 22, a sealing gasket of sealing pair 11 is fixed on valve body 1 sidewall, another sealing gasket is fixed on right flashboard 22 sidewall, and sealing pair 11 is in order to realize the sealing between left and right flashboard and valve body 1 better.
As shown in Figure 6 and Figure 7, also comprise the sealing mechanism being arranged on valve rod 4 and valve body 1 upper end-hole, described sealing mechanism comprises Stuffing box 61, filler 62, wedge-type seal pad 63, packing ring 64, pendant collet 65, pressure ring 66, gland 67 and gland 68, described Stuffing box 61 runs through and is socketed on valve rod 4, and Stuffing box 61 is embedded on valve body 1, wedge-type seal pad 63, packing ring 64, pendant collet 65 and pressure ring 66 are successively set on the contacting point of Stuffing box 61 and valve body 1 from the bottom up, filler 62 is arranged on the contacting point of Stuffing box 61 and valve rod 4, gland 67 is fixed on filler 62 upper end, gland 68 is pressed in above gland 67, and gland 68 is fixed on swing bolt seat by fastening piece, by wedge-type seal pad 63, packing ring 64, pendant collet 65 and filler 62, seal between valve body 1 upper end and valve rod 4, ensure the sealing of gate valve.
Described filler 62 is Expanded graphite.
As shown in Figure 1, also comprise support 7, described support 7 is fixedly connected on valve body 1 upper end by fastening piece.
As shown in Figure 1, also comprise electric actuator 8, described electric actuator 8 is fixedly connected on support 7 upper end by fastening piece, is mainly used in providing power to valve rod 4, to drive the lift up and down of gate valve.
Below described by reference to the accompanying drawings embodiment is only preferred implementation of the present utility model, and the restriction not to protection domain of the present utility model, and any improvement done based on the utility model spirit all ought within the utility model protection domain.
Claims (9)
1. a high temperature and high pressure steam power station sluice valve, it comprises valve body (1), wedge shape flashboard (2), flashboard frame (3), valve rod (4), wedge shape flashboard (2) is contained in the middle of valve body (1), valve rod (4) lower end is connected to flashboard frame (3) upper end, flashboard frame (3) runs through and is connected on wedge shape flashboard (2), it is characterized in that: described wedge shape flashboard (2) comprises left flashboard (21) and right flashboard (22), first boss (211) of band cylinder shape groove (212) is provided with in the middle of left flashboard (21), second boss (221) of spherical groove (222) is provided with in the middle of right flashboard (22), described first boss (211), second boss (221) is suitable with the hole (31) of flashboard frame (3) centre respectively, also comprise overhead gage (51), lower pedal (52) and the top heart (53), overhead gage (51) is socketed the upper end of left flashboard (21) and right flashboard (22), and be fixed on flashboard frame (3) upper-end surface, lower pedal (52) is socketed the lower end of left flashboard (21) and right flashboard (22), and be fixed on flashboard frame (3) lower end surface, the top heart (53) is bullet type, be placed in the hole (31) of flashboard frame (3), its upper end is hemisphere (531), suitable with ball recess (222), lower end is cylinder (532), suitable with cylinder shape groove (212).
2. a kind of high temperature and high pressure steam power station sluice valve according to claim 1, it is characterized in that: described left flashboard (21), right flashboard (22) upper end are respectively equipped with the 3rd boss (213), 3rd boss (213) and overhead gage (51) socket-connect, described left flashboard (21), right flashboard (22) lower end are respectively equipped with the 4th boss (214), and the 4th boss (214) and lower pedal (52) socket-connect.
3. a kind of high temperature and high pressure steam power station sluice valve according to claim 1, it is characterized in that: overhead gage (51) is run through in described valve rod (4) lower end, valve rod (4) lower end is fixed in the opening slot of flashboard frame (3) upper end by bearing pin.
4. a kind of high temperature and high pressure steam power station sluice valve according to claim 1, is characterized in that: described lower pedal (52) is connected with flashboard frame (3) lower end surface by hexagon nut.
5. a kind of high temperature and high pressure steam power station sluice valve according to claim 1, is characterized in that: also comprise sealing pair (11), sealing pair (11) is separately positioned between valve seat and left flashboard (21) and between valve seat and right flashboard (22).
6. a kind of high temperature and high pressure steam power station sluice valve according to claim 1, it is characterized in that: also comprise the sealing mechanism being arranged on valve rod (4) and valve body (1) upper end-hole, described sealing mechanism comprises Stuffing box (61), filler (62), wedge-type seal pad (63), packing ring (64), pendant collet (65), pressure ring (66), gland (67) and gland (68), described Stuffing box (61) runs through and is socketed on valve rod (4), and Stuffing box (61) is embedded on valve body (1), wedge-type seal pad (63), packing ring (64), pendant collet (65) and pressure ring (66) are successively set on the contacting point of Stuffing box (61) and valve body (1) from the bottom up, filler (62) is arranged on the contacting point of Stuffing box (61) and valve rod (4), gland (67) is fixed on filler (62) upper end, gland (68) is pressed in gland (67) top, and gland (67) is by fastening piece fixing link bolt block.
7. a kind of high temperature and high pressure steam power station sluice valve according to claim 6, is characterized in that: described filler (62) is Expanded graphite.
8. a kind of high temperature and high pressure steam power station sluice valve according to claim 1, it is characterized in that: also comprise support (7), described support (7) is fixedly connected on valve body (1) upper end by fastening piece.
9. high temperature and high pressure steam power station sluice valve according to claim 8, is characterized in that: also comprise electric actuator (8), and described electric actuator (8) is fixedly connected on support (7) upper end by fastening piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420822589.9U CN204358144U (en) | 2014-12-23 | 2014-12-23 | High temperature and high pressure steam power station sluice valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420822589.9U CN204358144U (en) | 2014-12-23 | 2014-12-23 | High temperature and high pressure steam power station sluice valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204358144U true CN204358144U (en) | 2015-05-27 |
Family
ID=53259614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420822589.9U Expired - Fee Related CN204358144U (en) | 2014-12-23 | 2014-12-23 | High temperature and high pressure steam power station sluice valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204358144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269870A (en) * | 2016-04-06 | 2017-10-20 | 上海电站阀门厂有限公司 | A kind of electronic gate valve of HTHP |
| CN115325194A (en) * | 2022-10-17 | 2022-11-11 | 中国空气动力研究与发展中心高速空气动力研究所 | Energy-saving valve easy and convenient to disassemble, assemble and maintain |
-
2014
- 2014-12-23 CN CN201420822589.9U patent/CN204358144U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269870A (en) * | 2016-04-06 | 2017-10-20 | 上海电站阀门厂有限公司 | A kind of electronic gate valve of HTHP |
| CN115325194A (en) * | 2022-10-17 | 2022-11-11 | 中国空气动力研究与发展中心高速空气动力研究所 | Energy-saving valve easy and convenient to disassemble, assemble and maintain |
| CN115325194B (en) * | 2022-10-17 | 2023-02-03 | 中国空气动力研究与发展中心高速空气动力研究所 | Energy-saving valve easy and convenient to disassemble, assemble and maintain |
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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 |
Granted publication date: 20150527 Termination date: 20191223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |