CN202470025U - Hinged manhole cover of high-pressure feed-water heater - Google Patents
Hinged manhole cover of high-pressure feed-water heater Download PDFInfo
- Publication number
- CN202470025U CN202470025U CN 201220070411 CN201220070411U CN202470025U CN 202470025 U CN202470025 U CN 202470025U CN 201220070411 CN201220070411 CN 201220070411 CN 201220070411 U CN201220070411 U CN 201220070411U CN 202470025 U CN202470025 U CN 202470025U
- Authority
- CN
- China
- Prior art keywords
- plate
- manhole cover
- water heater
- pressure feed
- gusset
- 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 relates to a hinged manhole cover of a high-pressure feed-water heater. A water chamber manhole cover of an imported 5B or 6B high-pressure feed-water heater transformed by the Tianwan nuclear power plant cannot be opened by the original manhole dismounting device due to field space limitation. The hinged manhole cover comprises a hinged manhole cover body (1), wherein self-locking pressing plates (2) are arranged on the upper surface and the lower surface of the manhole cover body and connected through bolts (3) and nuts (4); the back surface of the manhole cover body is connected with an upper ear plate (5) and a lower ear plate (6); a rib plate (7) is arranged between the upper ear plate and the lower ear plate; the upper surface of the rib plate is connected with an upper connecting plate (8); the lower surface of the rib plate is connected with a lower connecting plate (9); a support plate (10) and a positioning pipe (11) are arranged between the upper connecting plate and the lower connecting plate; the upper connecting plate is connected with an upper side ear plate (12); and the lower connecting plate is connected with a lower side ear plate (13). The hinged manhole cover is used for sealing and dismounting a water chamber manhole of the high-pressure feed-water heater.
Description
Technical field:
the utility model relates to a kind of high-pressure feed-water heater hinged manhole cover.
Background technology:
Jiangsu Tian Wan nuclear power station is all to introduce Russian compressed water reactor nuclear power technical products; My company is responsible for two high-pressure feed-water heaters of 5B, 6B that Jiangsu Tian Wan nuclear power station is transformed; Because the site space restriction can't be adopted original manhole provision for disengagement to open height and add the hydroecium manhole cover.
Summary of the invention:
The purpose of
the utility model provides a kind of high-pressure feed-water heater hinged manhole cover of easy accessibility.
Above-mentioned purpose realizes through following technical scheme:
a kind of high-pressure feed-water heater hinged manhole cover; Its composition comprises: the manhole cover that hinge type connects, above the described manhole cover with below self-lock pressing plate be housed and link together through screw bolt and nut, the described manhole cover back side connects upper ear plate and lower ear plate; Between described upper ear plate and the described lower ear plate gusset is housed; Connect upper plate above the described gusset, connect lower plate below the described gusset, between described upper plate and the described lower plate gripper shoe and positioning pipe are housed; Described upper plate connects the top otic placode, and described lower plate connects following otic placode.
described high-pressure feed-water heater hinged manhole cover; Described upper ear plate, described lower ear plate and described gusset all have pivot pin to pass; Described upper plate, described lower plate and described gusset have becomes the waist circular port; The circular port of being opened on the described pivot pin is passed in split pin, and connecting rod passes in order that described top otic placode, described upper plate, described positioning pipe, described lower plate and described following otic placode have becomes the waist circular port.
[0006] beneficial effect:
1. during the manhole cover dismounting of the utility model as long as, promote manhole cover through backing out or the nut of screwing on, manhole cover can move along projected path automatically under the effect of hinge, has made things convenient for the high dismounting that adds the hydroecium manhole cover.
The compact overall structure of
the utility model, connection and reasonable arrangement, the operating space is little, does not need any external device (ED) to assist and carries out, and operation is very easy, need not adopt the manhole provision for disengagement can realize the manhole cover switch freely.
The waist circular port all is processed in
connecting plate of the utility model and the perforate of bearing pin connecting portion, is convenient to about the hinge level suitably flexible.
the utility model guarantees whole hinge location down through gusset, gripper shoe and stay pipe synergy, and it is sagging to keep whole hinge level to be unlikely to manhole cover.
Description of drawings:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is the right view of accompanying drawing 1.
accompanying drawing 3 is the upward view of accompanying drawing 1.
The specific embodiment:
Embodiment 1:
a kind of high-pressure feed-water heater hinged manhole cover; Its composition comprises: the manhole cover 1 that hinge type connects, above the described manhole cover with below self-lock pressing plate 2 be housed and link together through bolt 3 and nut 4, the described manhole cover back side connects upper ear plate 5 and lower ear plate 6; Between described upper ear plate and the described lower ear plate gusset 7 is housed; Connect lower plate 9 below the connection upper plate 8 above the described gusset, described gusset, gripper shoe 10 and positioning pipe 11 are housed between described upper plate and the described lower plate; Described upper plate connects top otic placode 12, and described lower plate connects following otic placode 13.
Embodiment 2:
Embodiment 3:
accompanying drawing 2 manhole covers adopt hinge type to connect, and join two nuts and bolts and respectively two self-lock pressing plates and manhole cover are fixed.
accompanying drawing 3 is two otic placodes of dress weldering at the back side of manhole cover, through two bearing pins otic placode, upper plate and lower plate are coupled together, and through bearing pin upper plate and otic placode are being coupled together, and all bearing pins are fixed through split pin.In addition, in the spacing of bearing pin through gripper shoe and two connecting plates of positioning pipe control.
Claims (2)
1. high-pressure feed-water heater hinged manhole cover; Its composition comprises: the manhole cover that hinge type connects is characterized in that: above the described manhole cover with below self-lock pressing plate be housed and link together through screw bolt and nut, the described manhole cover back side connects upper ear plate and lower ear plate; Between described upper ear plate and the described lower ear plate gusset is housed; Connect upper plate above the described gusset, connect lower plate below the described gusset, between described upper plate and the described lower plate gripper shoe and positioning pipe are housed; Described upper plate connects the top otic placode, and described lower plate connects following otic placode.
2. high-pressure feed-water heater hinged manhole cover according to claim 1; It is characterized in that: described upper ear plate, described lower ear plate and described gusset all have pivot pin to pass; Described upper plate, described lower plate and described gusset have becomes the waist circular port; The circular port of being opened on the described pivot pin is passed in split pin, and connecting rod passes in order that described top otic placode, described upper plate, described positioning pipe, described lower plate and described following otic placode have becomes the waist circular port.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220070411 CN202470025U (en) | 2012-02-29 | 2012-02-29 | Hinged manhole cover of high-pressure feed-water heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220070411 CN202470025U (en) | 2012-02-29 | 2012-02-29 | Hinged manhole cover of high-pressure feed-water heater |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202470025U true CN202470025U (en) | 2012-10-03 |
Family
ID=46918181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220070411 Expired - Fee Related CN202470025U (en) | 2012-02-29 | 2012-02-29 | Hinged manhole cover of high-pressure feed-water heater |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202470025U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102563606A (en) * | 2012-02-29 | 2012-07-11 | 哈尔滨锅炉厂有限责任公司 | Hinged manhole cover of high-pressure feed-water heater |
-
2012
- 2012-02-29 CN CN 201220070411 patent/CN202470025U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102563606A (en) * | 2012-02-29 | 2012-07-11 | 哈尔滨锅炉厂有限责任公司 | Hinged manhole cover of high-pressure feed-water heater |
CN102563606B (en) * | 2012-02-29 | 2015-09-09 | 哈尔滨锅炉厂有限责任公司 | Hinged manhole |
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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: 20121003 Termination date: 20160229 |
|
CF01 | Termination of patent right due to non-payment of annual fee |