CN104019231A - Inwards-opened sealed manhole structure - Google Patents

Inwards-opened sealed manhole structure Download PDF

Info

Publication number
CN104019231A
CN104019231A CN201410226584.4A CN201410226584A CN104019231A CN 104019231 A CN104019231 A CN 104019231A CN 201410226584 A CN201410226584 A CN 201410226584A CN 104019231 A CN104019231 A CN 104019231A
Authority
CN
China
Prior art keywords
manhole
cover
sealing surface
manhole cover
seal groove
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.)
Pending
Application number
CN201410226584.4A
Other languages
Chinese (zh)
Inventor
韦德明
吴厚金
冯吉建
黄雪
张方晓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Duble Metal Equipment Engineering Co Ltd
Original Assignee
Nanjing Duble Metal Equipment Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Duble Metal Equipment Engineering Co Ltd filed Critical Nanjing Duble Metal Equipment Engineering Co Ltd
Priority to CN201410226584.4A priority Critical patent/CN104019231A/en
Publication of CN104019231A publication Critical patent/CN104019231A/en
Pending legal-status Critical Current

Links

Landscapes

  • Pressure Vessels And Lids Thereof (AREA)

Abstract

The invention discloses a high-pressure container with an inwards-opened sealed manhole. An inwards-opened sealed manhole structure comprises a cylinder. The upper portion and the lower portion of the cylinder are provided with an upper seal head and a lower seal head respectively. The manhole is formed in the upper seal head or the lower seal head. The manhole is round. A manhole cover which corresponds to the manhole is connected with the inner portion of the upper seal head in a cushioned mode. The manhole cover is used for sealing the manhole. The manhole cover is opened towards the inner portion of the upper seal head along the cushioned connection portion. The inwards-opened sealed manhole structure further comprises a manhole cover pressing device which is used for fixing and pressing the manhole cover. The inwards-opened sealed manhole structure is good in sealing performance; by the adoption of the inwards-opened sealed manhole structure, occupancy of external space can be reduced, maintenance is convenient, and the manufacturing cost and the maintenance cost are reduced.

Description

In a kind of, open sealing manhole structure
Technical field
The present invention relates to pressurized container field, open the manhole device of sealing in especially a kind of.
Background technique
The manhole that general high voltage container is conventional is external, with blind flange and sealing gasket, seals, and takies space outerpace more, and needs pretension bolt, and sealing is poor, and shim disassembling bothers simultaneously, and maintenance cost is higher, has influence on high voltage bearing performance.
In order to address the above problem the invention provides, open sealing manhole in a kind of and with the high-pressure bottle of this manhole.
Summary of the invention
The present invention seeks to, solve the deficiency of existing situation and make, its objective is to provide and open sealing manhole in a kind of and with the high-pressure bottle of this manhole, good airproof performance, can reduce taking of space outerpace simultaneously, and easy to maintenance, saved manufacture and maintenance cost.
The object of the invention is also, inside opens that sealing manhole is easy to install and structure is simple and clear, adopt circular capping to have good location sealing, is unlikely to capping and misplaces with hole.
Technological scheme of the present invention is, a kind ofly with interior, opens sealing manhole structure, comprises upper cover, has circle or oval manhole described in it on upper cover; Upper cover inner mast is connected to the manhole cover corresponding with described manhole; Described manhole cover is for manhole is sealed, and described manhole cover connects position along pad and opens to the inside of upper cover; Also comprise for manhole cover hold down gag fixing and compression manhole cover.
In order to realize good sealing, preferred technological scheme of the present invention has: manhole is respectively equipped with built-up welding sealing surface and the sealing surface that is suitable for bearing high pressure on corresponding position when sealing with manhole cover, and two sealing surface sealed junctions of manhole and manhole cover merge and have for holding the seal groove of the seal ring that bears high pressure.
As preferred technological scheme, technical characteristics of the present invention has: the sectional shape of seal groove is rectangle, and it is rectangle or circular seal ring that cross section is set in seal groove.
In order to increase the effect of sealing, stop the leakage of medium in high-pressure bottle, present invention further optimization feature has: the sectional shape of seal groove is Hexagon, and it is hexagonal seal ring that cross section is set in seal groove.
As preferably, described manhole cover hold down gag comprises a manhole pressing plate, by bolt, manhole cover and manhole pressing plate is fastened on respectively to the inside and outside both sides of manhole.Described manhole cover arranged outside jug.Upper or lower seal head is inner by the manhole cover while connecing installation to two hinge and pallet device pad being provided with.
As preferred technical characteristics: the sectional shape of seal groove is rectangle, wherein built-up welding sealing surface is stair-stepping sealing surface, locational sealing surface and above-mentioned built-up welding sealing surface ladder corresponding with above-mentioned built-up welding sealing surface on manhole cover coincide, and the seal ring that cross section is rectangle is set in seal groove.
For the ease of the inside of operator's maintenance pressure container, present invention further optimization scheme has: on pressure container cylinder inwall, be fixed with the cat ladder for maintenance man's repairing by climbing.
Beneficial effect of the present invention: according to the present invention, provide and opened sealing manhole in a kind of and with the high-pressure bottle of this manhole, good airproof performance, the ability of bearing high pressure from mechanism is strong, more high pressure sealing place is tightr, and easy for installation, can reduce taking of space outerpace simultaneously, and easy to maintenance, saved manufacture and maintenance cost.The setting of manhole is convenient to manhole cover and is inserted, and step-like sealing can guarantee sealing reliability, and makes manhole cover be unlikely to depart from.
Accompanying drawing explanation
Fig. 1 is of the present invention with the interior front view of driving the high-pressure bottle of sealing manhole.
Fig. 2 is of the present invention with the interior left view of driving the high-pressure bottle of sealing manhole.
Fig. 3 is the structural representation of opening sealing manhole in of the present invention.
Fig. 4 is the structural representation of opening sealing manhole in of the present invention.
Fig. 5 is the plan view of Fig. 1.
Fig. 6 is the structural representation of manhole of the present invention.
Fig. 7 is the structural representation of manhole cover.
Fig. 8 is the plan view of Fig. 7.
Fig. 9 is the first embodiment of sealing configuration.
Figure 10 is the second embodiment of sealing configuration.
Figure 11 is the 3rd embodiment of sealing configuration.
In figure: 1, pressurized container, 2, upper cover, 3, cylindrical shell, 4, lower seal head, 5, manhole, 6, manhole cover, 7, cat ladder, 8, bearing, 9, hanger, 10, handle, 11, hinge, 12, backing plate (connecting plate), 13, manhole pressing plate, 14, bolt, 15, sealing configuration one, 16, sealing configuration two, 17, sealing configuration three, 18/18a/18b, (manhole) built-up welding sealing surface, 19/19a/19b, (manhole cover) sealing surface, 20/20a/20b, seal ring.
Embodiment
For making the object, technical solutions and advantages of the present invention more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these descriptions are exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, omitted the description to known configurations and technology, to avoid unnecessarily obscuring concept of the present invention.
As illustrated in fig. 1 and 2 a kind of with interior open sealing manhole structure high-pressure bottle 1, comprise columniform cylindrical shell 3, cylindrical shell 3 is circular upper cover 2 and lower seal head 4 up and down, in the present embodiment, upper cover 2 has circular manhole 5, upper cover 2 inner masts are connected to the manhole cover 6 corresponding with described manhole 5, manhole cover 6 is for manhole 5 is sealed, and manhole cover 6 connects position along pad and opens to the inside of upper cover 2, also comprises in addition for manhole cover hold down gag fixing and compression manhole cover 6.
In addition, in alternative embodiment, on its lower seal head 4, also have individually or simultaneously the structures such as circular manhole as above and manhole cover described below and sealing.Its mode of structure and above-described embodiment have identical functions and principles, do not repeat them here.
In Fig. 1 Fig. 2 and Fig. 6, also show the minutia of high-pressure bottle: on pressurized container 1 cylindrical shell 3 inwalls, be fixed with the cat ladder for maintenance man's repairing by climbing.In this embodiment, high-pressure bottle can select to be fixedly installed in ground, and it has for the supplementary structure of installing: described high-pressure bottle bottom (lower seal head) is fixedly installed bearing 8, is fixed with the hanger 9 for lifting on upper cover 2.High-pressure bottle also can not repeat them here with corresponding air outlet or suction port etc. in addition.
As Fig. 3 Fig. 4 Fig. 5 shows the sealing manhole structure that upper cover has manhole: in figure, the structure characteristic of manhole 5, manhole cover 6 and manhole cover hold down gag is: manhole 5 is for circular, and manhole cover 6 is also circular; Manhole cover 6 arranged outside jugs 10 (as shown in Fig. 7 Fig. 8), manhole cover 6 by upper cover 2 inside, be fixedly installed one connect (hinged) to two hinge 11 and backing plate 12 pads.Manhole cover 6 just can connect along pad (hinged) position to inside (being also the inside of this pressurized container) unlatching of upper cover 2 like this.Manhole cover hold down gag comprises a manhole pressing plate 13, by bolt 14, manhole cover 6 and manhole pressing plate 13 is fastened on respectively to the inside and outside both sides of manhole 5.Manhole pressing plate is wherein the plate of a rectangle in the present embodiment, and the long limit of this rectangle is greater than the diameter of manhole.This manhole pressing plate can also be a circular plate that shape is identical with manhole in other embodiments, when compressing, can also have certain seal action.
Manhole 5 is respectively equipped with built-up welding sealing surface and the sealing surface that is suitable for bearing high pressure on corresponding position when with manhole cover 6 sealing, and two sealing surface sealed junctions of manhole and manhole cover merge and have for holding the seal groove of the seal ring that bears high pressure; As Fig. 3 shows a kind of embodiment of Manhole Sealing Joints aspect: sealing configuration 1, the structure of sealing configuration one is in detail as shown in Figure 9: manhole 5 is respectively equipped with built-up welding sealing surface 18 and the sealing surface 19 that is suitable for bearing high pressure on corresponding position when with manhole cover 6 sealing, and two sealing surface sealed junctions of manhole and manhole cover merge and have for holding the seal groove of the seal ring that bears high pressure; The sectional shape of seal groove is rectangle, and it is circular seal ring 20 that cross section is set in seal groove.
Figure 10 shows the replacement scheme sealing configuration 2 16 as the enforcement one of Manhole Sealing Joints: manhole 5 is respectively equipped with built-up welding sealing surface 18a and the sealing surface 19a that is suitable for bearing high pressure on corresponding position when with manhole cover 6 sealing, the sectional shape of seal groove is rectangle, wherein built-up welding sealing surface 18a is stair-stepping sealing surface, locational sealing surface 19a and above-mentioned built-up welding sealing surface 18a ladder corresponding with above-mentioned built-up welding sealing surface on manhole cover coincide, and it is the seal ring 20a of rectangle that cross section is set in seal groove.
Figure 10 shows as the enforcement one of Manhole Sealing Joints or two replacement scheme sealing configuration 3 17: manhole 5 is respectively equipped with built-up welding sealing surface 18b and the sealing surface 19b that is suitable for bearing high pressure on corresponding position when with manhole cover 6 sealing, the sectional shape of seal groove is Hexagon, and it is hexagonal seal ring 20b that cross section is set in seal groove.
This high-pressure bottle can be accumulator, gas reservoir etc. for holding or the pressurized container of stores compression gas in addition.
Should be understood that, above-mentioned embodiment of the present invention is only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore any modification of, making, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in without departing from the spirit and scope of the present invention in the situation that.In addition, claims of the present invention are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.

Claims (8)

1. with interior opening, seal a manhole structure, comprise upper cover, it is characterized in that: on described upper cover, have circular meeting or oval manhole; Upper cover inner mast is connected to the manhole cover corresponding with described manhole; Described manhole cover is for manhole is sealed, and described manhole cover connects position along pad and opens to the inside of upper cover; Also comprise for manhole cover hold down gag fixing and compression manhole cover.
2. manhole structure according to claim 1, it is characterized in that, described manhole is respectively equipped with built-up welding sealing surface and the sealing surface that is suitable for bearing high pressure on corresponding position when sealing with manhole cover, and two sealing surface sealed junctions of manhole and manhole cover merge and have for holding the seal groove of the seal ring that bears high pressure.
3. manhole structure according to claim 2, is characterized in that, the sectional shape of described seal groove is rectangle, and it is rectangle or circular seal ring that cross section is set in seal groove.
4. manhole structure according to claim 2, is characterized in that, the sectional shape of described seal groove is Hexagon, and it is hexagonal seal ring that cross section is set in seal groove.
5. manhole structure according to claim 1, is characterized in that, described manhole cover hold down gag comprises a manhole pressing plate, by bolt, manhole cover and manhole pressing plate is fastened on respectively to the inside and outside both sides of manhole.
6. manhole structure according to claim 5, is characterized in that, described manhole cover arranged outside jug.
7. manhole structure according to claim 5, is characterized in that, upper or lower seal head is inner by the manhole cover while connecing installation to two hinge and pallet device pad being provided with.
8. manhole structure according to claim 3, it is characterized in that, the sectional shape of described seal groove is rectangle, wherein built-up welding sealing surface is stair-stepping sealing surface, locational sealing surface and above-mentioned built-up welding sealing surface ladder corresponding with above-mentioned built-up welding sealing surface on manhole cover coincide, and the seal ring that cross section is rectangle is set in seal groove.
CN201410226584.4A 2014-05-26 2014-05-26 Inwards-opened sealed manhole structure Pending CN104019231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410226584.4A CN104019231A (en) 2014-05-26 2014-05-26 Inwards-opened sealed manhole structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410226584.4A CN104019231A (en) 2014-05-26 2014-05-26 Inwards-opened sealed manhole structure

Publications (1)

Publication Number Publication Date
CN104019231A true CN104019231A (en) 2014-09-03

Family

ID=51436136

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410226584.4A Pending CN104019231A (en) 2014-05-26 2014-05-26 Inwards-opened sealed manhole structure

Country Status (1)

Country Link
CN (1) CN104019231A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728440A (en) * 2015-04-01 2015-06-24 中国石油集团渤海钻探工程有限公司 High-pressure quick-opening manhole device
CN104763807A (en) * 2015-04-01 2015-07-08 中国石油集团渤海钻探工程有限公司 High-pressure quick opening manhole device
CN109519541A (en) * 2018-12-10 2019-03-26 航天晨光股份有限公司 A kind of internal high-voltage manhole device and its open and close operating method
CN109869706A (en) * 2018-09-18 2019-06-11 哈尔滨锅炉厂有限责任公司 Large capacity rolls drum DIWA353 dome head and its manufacturing method
CN113800136A (en) * 2021-08-28 2021-12-17 安徽江淮扬天汽车股份有限公司 Tank device of powder tank truck

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859916A (en) * 1957-05-08 1961-01-25 Braun & Co C F Improvements in and relating to heat exchangers
JP2006226476A (en) * 2005-02-21 2006-08-31 Mitsubishi Heavy Ind Ltd Man-hole sealing structure for pressure vessel
CN201539555U (en) * 2009-10-21 2010-08-04 上海锅炉厂有限公司 Internal self-tightening manhole structure of pressure container
CN201606862U (en) * 2009-12-29 2010-10-13 上海锅炉厂有限公司 Boiler barrel manhole door device
CN202001606U (en) * 2010-12-27 2011-10-05 青岛磐石容器制造有限公司 Manhole sealing device of high-voltage equipment
CN203189713U (en) * 2013-04-25 2013-09-11 甘肃蓝科石化高新装备股份有限公司 High pressure vessel self-sealing structure
CN203906769U (en) * 2014-05-26 2014-10-29 南京德邦金属装备工程股份有限公司 Interior sealed manhole structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859916A (en) * 1957-05-08 1961-01-25 Braun & Co C F Improvements in and relating to heat exchangers
JP2006226476A (en) * 2005-02-21 2006-08-31 Mitsubishi Heavy Ind Ltd Man-hole sealing structure for pressure vessel
CN201539555U (en) * 2009-10-21 2010-08-04 上海锅炉厂有限公司 Internal self-tightening manhole structure of pressure container
CN201606862U (en) * 2009-12-29 2010-10-13 上海锅炉厂有限公司 Boiler barrel manhole door device
CN202001606U (en) * 2010-12-27 2011-10-05 青岛磐石容器制造有限公司 Manhole sealing device of high-voltage equipment
CN203189713U (en) * 2013-04-25 2013-09-11 甘肃蓝科石化高新装备股份有限公司 High pressure vessel self-sealing structure
CN203906769U (en) * 2014-05-26 2014-10-29 南京德邦金属装备工程股份有限公司 Interior sealed manhole structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
齐昆等: "椭圆形内开自紧式人孔的强度计算方法探究", 《化工设备与管道》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728440A (en) * 2015-04-01 2015-06-24 中国石油集团渤海钻探工程有限公司 High-pressure quick-opening manhole device
CN104763807A (en) * 2015-04-01 2015-07-08 中国石油集团渤海钻探工程有限公司 High-pressure quick opening manhole device
CN109869706A (en) * 2018-09-18 2019-06-11 哈尔滨锅炉厂有限责任公司 Large capacity rolls drum DIWA353 dome head and its manufacturing method
CN109519541A (en) * 2018-12-10 2019-03-26 航天晨光股份有限公司 A kind of internal high-voltage manhole device and its open and close operating method
CN109519541B (en) * 2018-12-10 2023-12-12 航天晨光股份有限公司 Built-in high-pressure manhole device and opening and closing operation method thereof
CN113800136A (en) * 2021-08-28 2021-12-17 安徽江淮扬天汽车股份有限公司 Tank device of powder tank truck
CN113800136B (en) * 2021-08-28 2023-09-12 安徽江淮扬天汽车股份有限公司 Tank device of powder tank truck

Similar Documents

Publication Publication Date Title
CN104019231A (en) Inwards-opened sealed manhole structure
CN104019230A (en) High-pressure vessel with internally-opened sealing man hole
CN204060602U (en) A kind of bimetallic (spring cone) seal formula casing head
CN202867954U (en) Aerostat helium charge valve
CN203906769U (en) Interior sealed manhole structure
CN102454972A (en) Aid-to-navigation lamp sealing structure
CN204253854U (en) The high-pressure bottle of sealing manhole is driven in a kind of
CN104565086A (en) Cast steel bearing pedestal structure
CN105692539A (en) Sealing vertical tube for loading arm
CN104389824A (en) Leather bag type energy accumulator
CN201708224U (en) Installing structure of vehicle charging head
CN209277843U (en) Deviation adjustable type polished rod sealer
CN204257716U (en) Anti-explosion cover plate for lithium battery
CN208512135U (en) A kind of bagroom high leakproofness promotion valve deck
CN201784957U (en) Double-layer tank
CN201636354U (en) Corrugated pipe gate valve
CN103234115A (en) Explosion-proof hole sealing device of low-temperature mobile liquid storage equipment
CN2378353Y (en) Pressure container manhole
CN203215279U (en) Explosion-proof opening sealing device of low-temperature mobile liquid storage device
CN204088704U (en) Industrial socket case shell easy to use
CN202560149U (en) Full metal seal slip type sleeve head
CN207906564U (en) Dual fail-safe detatching-proof cylinder valve
CN203319054U (en) Integral manhole flange
CN206903613U (en) Well head ring set well-flushing controller
CN201634132U (en) Venting manhole device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140903