CN109186892A - A kind of valve casing casting water pressure test closure plate device - Google Patents
A kind of valve casing casting water pressure test closure plate device Download PDFInfo
- Publication number
- CN109186892A CN109186892A CN201811095555.3A CN201811095555A CN109186892A CN 109186892 A CN109186892 A CN 109186892A CN 201811095555 A CN201811095555 A CN 201811095555A CN 109186892 A CN109186892 A CN 109186892A
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- China
- Prior art keywords
- closure plate
- baffle
- valve casing
- casing casting
- water pressure
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- Pending
Links
- 238000005266 casting Methods 0.000 title claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sliding Valves (AREA)
Abstract
The invention belongs to casting fields, are related to a kind of valve casing casting water pressure test closure plate device, including closure plate, sealing ring, positioning mechanism, positioning screw, pull rod；The closure plate is that several seal grooves for being used to put the sealing ring are arranged on cylindrical and arc surface periphery, the pull rod is arranged on valve casing casting pipe nozzle end face, the positioning mechanism is arranged between the closure plate and the pull rod, and the positioning screw connects the closure plate and the pull rod.The present invention uses and installs sealing ring on closure plate outer circumference surface, and closure plate accurate location is determined by positioning mechanism and reinforces the intensity of the closure plate, guarantee intensity of the closure plate by elevated pressures when, therefore further ensures the tightness, reliability, stability of the valve casing casting water pressure test.
Description
Technical field
The invention belongs to casting fields, are related to a kind of valve casing casting water pressure test closure plate device.
Background technique
For the casting to work in high temperature, hyperbaric environment, to guarantee its safe operation, it is ensured that intensity and sealing performance can
It leans on, the water pressure test is generally carried out using 1.25 ~ 1.5 times of pressure higher than operating pressure.Due to the Incoercibility of water, made of it
Medium will not explode.For valve casing class casting, line up is blocked generally by the way of welding closure plate for the water pressure test,
Closure plate is cut off after the completion of the water pressure test.The method needs that closure plate is welded and removed before and after the water pressure test, therefore at high cost,
Operating time is long.
Summary of the invention
In order to overcome problems of the prior art, the present invention provides a kind of valve casing casting water pressure test closure plate device,
It is mainly used for high pressure-bearing of the hydraulic test pressure greater than 20MPa, the straight barrel type valve casing casting water pressure test, belongs to built-in closure plate, protects
The tightness when valve casing casting water pressure test is demonstrate,proved, so that water pressure test closure is simple, stablizes, is reliable.
A kind of valve casing casting water pressure test closure plate device, including closure plate, sealing ring, positioning mechanism, positioning screw, pull rod；
The closure plate is that several seal grooves for being used to put the sealing ring are arranged on cylindrical and arc surface periphery, the pull rod setting
On valve casing casting pipe nozzle end face, the positioning mechanism is arranged between the closure plate and the pull rod, described fixed
Position screw rod connects the closure plate and the pull rod.
Preferably, in above-mentioned technical proposal, the positioning mechanism includes link block, baffle one, baffle two, screw rod, nut
Two, one section of baffle is semicircular structure, and the string side middle position of the baffle one offers gap, in the baffle
One gap two sides offer tapped through hole, and the baffle two is identical as one structure of baffle, offer two on the link block
The string of a through-hole, the baffle one is oppositely arranged in the string with the baffle two, and the screw rod is on the link block
Through-hole is mounted in the tapped through hole of the baffle one and baffle two, and tight using the nut two matched with the screw rod
Gu.
Preferably, closure plate end face center position is provided with through hole, and the through hole both ends are fixedly connected on described
The model of the nut one that positioning screw matches, the nut one is determined according to the weight of the closure plate.
Preferably, the closure plate is equal with the baffle one and two outer diameter of baffle, convenient for the baffle one with it is described
Baffle two is mounted in the valve casing casting pipe.
Preferably, the outer diameter of the closure plate is 1mm~2mm smaller than the valve casing casting spout diameter size, so that institute
Stating closure plate and the valve casing casting tube inner diameter is clearance fit, guarantees that the closure plate is smoothly installed.
Preferably, handle hole is provided on the closure plate periphery, the handle hole is for closure plate described in handling.
Preferably, the diameter of the sealing ring is 10mm~12mm.
Preferably, one gap of baffle is semi-circular structure, and the semi-circular structure radius size is greater than the positioning screw
Radius size runs through the positioning mechanism convenient for the positioning screw.
Preferably, the through-hole that diameter is greater than positioning screw is provided among the pull rod, and the length of pull rod is greater than valve casing
The internal diameter of casting pipe, so that the pull rod is placed on valve casing casting pipe nozzle end face without falling into the valve casing
In casting pipe；The pull rod is connect with the positioning screw by nut three, and the model of the nut three is according to the positioning
The size of screw rod determines.
A kind of application method of valve casing casting water pressure test closure plate device, comprising the following steps:
S1, installs the sealing ring, and the sealing ring is mounted in the seal groove on the closure plate outer circumference surface.
S2 installs the closure plate, and the closure plate that step S1 has installed the sealing ring is fitted into valve casing casting nozzle, and is led to
Cross valve casing casting tube interior preset card slot, the valve casing casting tube interior preset card slot internal diameter and the tube inner diameter it
Difference is greater than the positioning screw diameter；The width that the valve casing casting tube interior presets card slot is greater than the thickness of the baffle one
Degree.
S3 installs the positioning mechanism, and the string of the baffle one is oppositely arranged in the string with the baffle two to be placed on
The valve casing casting tube interior is preset in card slot, and through-hole of the screw rod on the link block is mounted on the baffle one
It is fastened in the tapped through hole of the baffle two, and using the nut two matched with the screw rod, so that the baffle
One is fixed together with the baffle two.
S4 installs the positioning screw, and the positioning screw runs through across the positioning mechanism is screwed into the closure plate both ends
The nut one that face is fixedly connected.
S5 places the pull rod, and the pull rod is placed on valve casing casting pipe nozzle end face through positioning screw,
One end that the positioning screw stretches out the pull rod is screwed into the nut three.
S6 adjusts the closure plate position, moves the positioning screw along far from valve casing casting pipe nozzle end face, with
It contacts the closure plate with the positioning mechanism, tightens the nut three.
S7 executes water pressure test operation.
The present invention provides a kind of valve casing casting water pressure test closure plate device, using installing sealing ring on closure plate outer circumference surface,
And closure plate accurate location is determined by positioning mechanism and reinforces the intensity of the closure plate, it is strong when guaranteeing closure plate by elevated pressures
Degree, therefore further ensure the tightness, reliability, stability of the valve casing casting water pressure test.
The present invention before the water pressure test starts, saves money about 1000 compared with prior art closure plate carries out welding manner
Member/part, preparation are reduced to 1 shift by 2~3 shifts；After the water pressure test, apparatus of the present invention do not need to increase work
Sequence removal, saves about 5000 yuan/part of processing charges, dismantles closure plate by 2 shifts and is reduced to 0.5 shift.Therefore, the present invention fills
Installation, convenient disassembly are set, operating efficiency can be improved, shortens the operating time, reduces cost, and reusable.
Detailed description of the invention
Fig. 1 is blind structure schematic diagram；
Fig. 2 is baffle arrangement schematic diagram；
Fig. 3 is positioning mechanism structural schematic diagram；
Fig. 4 is a kind of valve casing casting water pressure test closure plate device assembling schematic diagram；
10- closure plate, 11- seal groove, 12- handle hole, 13- nut one, 20- sealing ring, 30- positioning mechanism, 31- link block, 32-
Baffle one, 33- baffle two, 34- screw rod, 35- nut two, 40- positioning screw, 50- pull rod, 60- nut three.
Specific embodiment
Embodiments of the present invention are illustrated by specific specific example below in conjunction with attached drawing, those skilled in the art can be by
Other advantages and efficacy of the present invention can be easily understood for content disclosed by this specification.The present invention can also be by addition different
Specific embodiment be embodied or practiced, the various details in this specification can also based on different viewpoints and application,
Without departing from carrying out various modifications or alterations under spirit of the invention.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach and obtain
In the range of capable of covering.Meanwhile in this specification it is cited as " outer peripheral surface ", " gap ", " centre ", " one ", " two " and
The term of " connection ", " cooperation " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention,
Relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
A kind of valve casing casting water pressure test closure plate device, including closure plate 10, sealing ring 20, positioning mechanism 30, positioning screw
40, pull rod 50；10 section of closure plate is several close with the sealing ring 20 cooperation to be arranged on circular configuration and outer circumference surface
Sealing groove 11, the sealing ring 20 are mounted in the seal groove 11, the positioning mechanism 30 setting the closure plate 10 with it is described
Between pull rod 50, the positioning screw 40 connects the closure plate 10 and the pull rod 50.
Wherein in an embodiment, match as shown in Figure 1, being arranged two on 10 outer circumference surface of the closure plate with the sealing ring 20
The seal groove 11 of conjunction.
Specifically, as shown in Fig. 2, 10 end face center position of the closure plate is provided with through hole, the through hole both ends are solid
Surely it is connected to the nut 1 that the positioning screw 40 matches, the model of the nut 1 is according to the weight of the closure plate 10
It determines.
The outer diameter of the closure plate 10 is 1mm~2mm smaller than the valve casing casting spout diameter size, so that the closure plate
10 and the valve casing casting tube inner diameter be clearance fit, guarantee the smoothly installation of the closure plate 10.On 10 periphery of closure plate
It is provided with handle hole 12, the handle hole 12 is for closure plate 10 described in handling.The diameter of the sealing ring 20 is 10mm~12mm.
The through-hole that diameter is greater than positioning screw 40 is provided among the pull rod 50, and the length of pull rod 50 is cast greater than valve casing
The internal diameter of part pipe, so that the pull rod 50 is placed on valve casing casting pipe nozzle end face without falling into the valve casing
In casting pipe；The pull rod 50 and the positioning screw 40 are connect by nut 3 60, the model of the nut 3 60 according to
The size of the positioning screw 40 determines.
Wherein in an embodiment, as shown in Figure 3, Figure 4, the positioning mechanism 30 includes link block 31, baffle 1, baffle
2 33, screw rod 34, nut 2 35, one 32 section of baffle are semicircular structure, the string side middle position of the baffle 1
Place offers gap, and one 32 gap of baffle, the two side position end face offers tapped through hole, the baffle 2 33 and the gear
One 32 structure of plate is identical, is opened up on the link block 31 there are two through-hole, the string side of the baffle 1 and the baffle 2 33
String side be oppositely arranged, the screw rod 34 through-hole on the link block 31 is mounted on the baffle 1 and baffle 2 33
In tapped through hole, and fastened using the nut 2 35 is matched with the screw rod 34.
Specifically, the closure plate 10 is equal with the baffle 1 and 2 33 outer diameter of baffle, is convenient for the baffle one
32 are mounted in the valve casing casting pipe with the baffle 2 33.
One 32 gap of baffle is semi-circular structure, and the semi-circular structure radius size is greater than 40 radius of positioning screw
Size runs through the positioning mechanism 30 convenient for the positioning screw 40.
A kind of application method of valve casing casting water pressure test closure plate device, comprising the following steps:
S1, installs the sealing ring 20, and the sealing ring 20 is mounted in the seal groove 11 on 10 outer circumference surface of closure plate.
S2 installs the closure plate 10, and the closure plate 10 that step S1 has installed the sealing ring 20 is fitted into valve casing casting nozzle,
And card slot is preset by valve casing casting tube interior, the valve casing casting tube interior presets the internal diameter and the pipe of card slot
The difference of internal diameter is greater than 40 diameter of positioning screw；The width that the valve casing casting tube interior presets card slot is greater than the baffle
One 32 thickness.
S3, installs the positioning mechanism 30, and the string of the baffle 1 is oppositely arranged in the string with the baffle 2 33
It is placed on the valve casing casting tube interior to preset in card slot, the screw rod 34 is mounted on institute through through-hole on the link block 31
In the tapped through hole for stating baffle 1 and the baffle 2 33, and it is tight using the nut 2 35 is matched with the screw rod 34
Gu so that the baffle 1 is fixed together with the baffle 2 33.
S4 installs the positioning screw 40, and it is described stifled through being screwed into that the positioning screw 40 passes through the positioning mechanism 30
The nut 1 that 10 both ends of the surface of plate are fixedly connected.
S5, places the pull rod 50, and the pull rod 50 is placed on the valve casing casting pipe nozzle through positioning screw 40
On end face, one end that the positioning screw 40 stretches out the pull rod 50 is screwed into the nut 3 60.
S6 adjusts 10 position of closure plate, moves the positioning screw along far from valve casing casting pipe nozzle end face
40, so that the closure plate 10 is contacted with the positioning mechanism 30, tighten the nut 3 60.
S7 executes water pressure test operation.
Technical solution provided herein is described in detail above, embodiment used herein is to the application
Principle and embodiment be expounded, the present processes that the above embodiments are only used to help understand and its core
Thought is thought；At the same time, for those skilled in the art in specific embodiment and applies model according to the thought of the application
Place that there will be changes, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of valve casing casting water pressure test closure plate device, which is characterized in that including closure plate, sealing ring, positioning mechanism, positioning
Screw rod, pull rod；The closure plate is that several seal grooves for being used to put the sealing ring, institute are arranged on cylindrical and arc surface periphery
Pull rod is stated to be arranged on valve casing casting pipe nozzle end face, positioning mechanism setting the closure plate and the pull rod it
Between, the positioning screw connects the closure plate and the pull rod.
2. a kind of valve casing casting water pressure test closure plate device according to claim 1, which is characterized in that the positioning mechanism packet
Link block, baffle one, baffle two, screw rod, nut two are included, one section of baffle is semicircular structure, the string of the baffle one
Side middle position offers gap, offers tapped through hole, the baffle two and the gear in the one gap two sides of baffle
One structure of plate is identical, is opened up on the link block there are two through-hole, the string of the baffle one phase in the string with the baffle two
To setting, through-hole of the screw rod on the link block is mounted in the tapped through hole of the baffle one and baffle two, and
It is fastened using the nut two matched with the screw rod.
3. a kind of valve casing casting water pressure test closure plate device according to claim 1, which is characterized in that in the closure plate end face
Heart position is provided with through hole, and the through hole both ends are fixedly connected on the nut one that the positioning screw matches.
4. a kind of valve casing casting water pressure test closure plate device according to claim 2, which is characterized in that the closure plate and institute
It is equal with two outer diameter of baffle to state baffle one.
5. according to claim 1 or a kind of 3 valve casing casting water pressure test closure plate devices, which is characterized in that the closure plate
Outer diameter it is 1mm~2mm smaller than the valve casing casting spout diameter size.
6. according to claim 1 or a kind of 3 valve casing casting water pressure test closure plate devices, which is characterized in that the closure plate circle
Handle hole is provided on circumferential surface.
7. a kind of valve casing casting water pressure test closure plate device according to claim 1, which is characterized in that the sealing ring it is straight
Diameter is 10mm~12mm.
8. a kind of valve casing casting water pressure test closure plate device according to claim 1, which is characterized in that one gap of baffle
For semi-circular structure, the semi-circular structure radius size is greater than the positioning screw radius size.
9. a kind of valve casing casting water pressure test closure plate device according to claim 1, which is characterized in that set among the pull rod
It is equipped with the through-hole that diameter is greater than positioning screw, and the length of pull rod is greater than the internal diameter of valve casing casting pipe；The pull rod with it is described
Positioning screw is connected by nut three.
10. a kind of application method of valve casing casting water pressure test closure plate device, comprising the following steps:
S1, installs the sealing ring, and the sealing ring is mounted in the seal groove on the closure plate outer circumference surface；
S2 installs the closure plate, and the closure plate that step S1 has installed the sealing ring is fitted into valve casing casting nozzle, and passes through valve
Shell casting tube interior presets card slot, and the internal diameter of the default card slot of the valve casing casting tube interior and the difference of the tube inner diameter are big
In the positioning screw diameter；The width that the valve casing casting tube interior presets card slot is greater than the thickness of the baffle one；
S3, installs the positioning mechanism, the string of the baffle one be oppositely arranged in the string with the baffle two be placed on it is described
Valve casing casting tube interior is preset in card slot, and through-hole of the screw rod on the link block is mounted on the baffle one and institute
In the tapped through hole for stating baffle two, and fastened using the nut two that is matched with the screw rod so that the baffle one with
The baffle two is fixed together；
S4 installs the positioning screw, and it is solid through the closure plate both ends of the surface are screwed into that the positioning screw passes through the positioning mechanism
Surely the nut one connected；
S5 places the pull rod, and the pull rod is placed on valve casing casting pipe nozzle end face through positioning screw, described
One end that positioning screw stretches out the pull rod is screwed into the nut three；
S6 adjusts the closure plate position, the positioning screw is moved along far from valve casing casting pipe nozzle end face, so that institute
It states closure plate to contact with the positioning mechanism, tightens the nut three；
S7 executes water pressure test operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095555.3A CN109186892A (en) | 2018-09-21 | 2018-09-21 | A kind of valve casing casting water pressure test closure plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095555.3A CN109186892A (en) | 2018-09-21 | 2018-09-21 | A kind of valve casing casting water pressure test closure plate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109186892A true CN109186892A (en) | 2019-01-11 |
Family
ID=64908603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811095555.3A Pending CN109186892A (en) | 2018-09-21 | 2018-09-21 | A kind of valve casing casting water pressure test closure plate device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109186892A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132496A (en) * | 2019-04-23 | 2019-08-16 | 广东恒成科技股份有限公司 | A kind of heavy castings pressure resistance performance analog detection method |
| CN110186771A (en) * | 2019-05-21 | 2019-08-30 | 东方菱日锅炉有限公司 | A kind of hydraulic pressure tooling |
| CN110779802A (en) * | 2019-10-31 | 2020-02-11 | 武汉一冶钢结构有限责任公司 | Plugging structure and method for hydraulic test of nozzle of wind tunnel ejector |
| CN112683679A (en) * | 2020-12-01 | 2021-04-20 | 山东齐鲁电机制造有限公司 | Novel pressure-bearing blocking plate |
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| CN2655223Y (en) * | 2003-11-07 | 2004-11-10 | 东方汽轮机厂 | Sealer for high-pressure external cylinder, valve water pressure testing pipe mouth |
| CN201885873U (en) * | 2010-11-16 | 2011-06-29 | 山东齐鲁电机制造有限公司 | Bite type hydrostatic testing device for steam turbine |
| EP2896947A1 (en) * | 2014-01-15 | 2015-07-22 | Doosan Heavy Industries & Construction Co., Ltd. | Hydrostatic test device and hydrostatic test method for high pressure turbine |
| CN107966356A (en) * | 2017-11-30 | 2018-04-27 | 浙江宁松热能锅炉设备有限公司 | Water pressure test mouth plugging apparatus |
| CN208860556U (en) * | 2018-09-21 | 2019-05-14 | 共享铸钢有限公司 | A kind of valve casing casting water pressure test closure plate device |
-
2018
- 2018-09-21 CN CN201811095555.3A patent/CN109186892A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2655223Y (en) * | 2003-11-07 | 2004-11-10 | 东方汽轮机厂 | Sealer for high-pressure external cylinder, valve water pressure testing pipe mouth |
| CN201885873U (en) * | 2010-11-16 | 2011-06-29 | 山东齐鲁电机制造有限公司 | Bite type hydrostatic testing device for steam turbine |
| EP2896947A1 (en) * | 2014-01-15 | 2015-07-22 | Doosan Heavy Industries & Construction Co., Ltd. | Hydrostatic test device and hydrostatic test method for high pressure turbine |
| CN107966356A (en) * | 2017-11-30 | 2018-04-27 | 浙江宁松热能锅炉设备有限公司 | Water pressure test mouth plugging apparatus |
| CN208860556U (en) * | 2018-09-21 | 2019-05-14 | 共享铸钢有限公司 | A kind of valve casing casting water pressure test closure plate device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132496A (en) * | 2019-04-23 | 2019-08-16 | 广东恒成科技股份有限公司 | A kind of heavy castings pressure resistance performance analog detection method |
| CN110186771A (en) * | 2019-05-21 | 2019-08-30 | 东方菱日锅炉有限公司 | A kind of hydraulic pressure tooling |
| CN110779802A (en) * | 2019-10-31 | 2020-02-11 | 武汉一冶钢结构有限责任公司 | Plugging structure and method for hydraulic test of nozzle of wind tunnel ejector |
| CN112683679A (en) * | 2020-12-01 | 2021-04-20 | 山东齐鲁电机制造有限公司 | Novel pressure-bearing blocking plate |
| CN112683679B (en) * | 2020-12-01 | 2023-02-28 | 山东齐鲁电机制造有限公司 | Novel pressure-bearing blocking plate |
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