CN105699018A - Flange instrument valve sealing testing device - Google Patents

Flange instrument valve sealing testing device Download PDF

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Publication number
CN105699018A
CN105699018A CN201610185638.6A CN201610185638A CN105699018A CN 105699018 A CN105699018 A CN 105699018A CN 201610185638 A CN201610185638 A CN 201610185638A CN 105699018 A CN105699018 A CN 105699018A
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CN
China
Prior art keywords
instrument valve
holder
out against
bearing support
base
Prior art date
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Granted
Application number
CN201610185638.6A
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Chinese (zh)
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CN105699018B (en
Inventor
郑子文
陈鹏
许启鑫
林毕文
林仁祥
黄训松
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FUJIAN SHANGRUN PRECISION INSTRUMENT Co Ltd
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FUJIAN SHANGRUN PRECISION INSTRUMENT Co Ltd
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Priority to CN201610185638.6A priority Critical patent/CN105699018B/en
Publication of CN105699018A publication Critical patent/CN105699018A/en
Application granted granted Critical
Publication of CN105699018B publication Critical patent/CN105699018B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
    • G01M3/08Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
    • G01M3/086Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool 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)
  • Examining Or Testing Airtightness (AREA)
  • Details Of Valves (AREA)

Abstract

The invention relates to a flange instrument valve sealing testing device which comprises a base. A stationary clamp seat which is internally provided with a pressure conveying channel is fixedly arranged at one end of the base. The other end of the vase is provided with a movable clamping seat. The base is provided with a T-shaped rail. At least one T-shaped slide block is embedded into the T-shaped rail. The upper surface of the base is provided with a sawtooth-shaped rail. The movable clamping seat comprises an abutting supporting seat and a movable supporting seat. The movable supporting seat is arranged between the stationary clamp seat and the abutting supporting seat. The bottom of the movable supporting seat is provided with a T-shaped part which is slidably connected with the T-shaped rail. One end of the movable supporting seat is provided with a first sealing cover assembly which is used for sealing the outlet of the instrument valve. The abutting supporting seat is connected with the T-shaped slide block through a fastener. The abutting supporting seat is fixed on the base. The lower surface of the abutting supporting seat is provided with unidirectional stopping sawteeth which are connected with the sawtooth-shaped rail, thereby preventing movement of the abutting supporting seat to the other end of the base. The abutting supporting seat is provided with a pushing mechanism which is used for pushing the movable supporting seat for making the instrument valve abut against the stationary clamp seat.

Description

A kind of flange instrument valve sealing test device
Technical field
The present invention relates to valve seal test device technique field, particularly relate to a kind of flange instrument valve sealing test device。
Background technology
Along with the growth of national economy, the demand of instrument valve is improved by the field such as oil, chemical industry, electric power, metallurgy day by day, and instrument valve producer is proposed higher prescription and shorter delivery cycle by market。Flange instrument valve is to be docked with instrument and meter by flange, after instrument valve is produced will by sealing tests such as strict air-tightness, watertightnesses, so that it is guaranteed that the quality of instrument valve。
Existing instrument valve sealing test device, including base, base is respectively arranged at two ends with the quiet holder for gripping instrument valve and dynamic holder, quiet holder and dynamic holder are fixed respectively through the securing member such as bolt or screw and base, quiet chuck is provided with the defeated pressure passageway that the defeated pressure pipe with supercharging equipment connects, when carrying out the test of close property, the import of instrument valve is connected with defeated pressure passageway, by supercharging equipment, instrument valve carried out transfusion supercharging, whether viewing instrument valve has liquid to overflow, if nothing, then judge that instrument valve watertightness is good, or by supercharging equipment, instrument valve is inflated supercharging, the test device that then clamping has instrument valve is placed in water, check whether whether instrument valve has bubble to overflow, if nothing, then judge that instrument valve air-tightness is good。But, in prior art, owing to flange instrument valve is tested at casing rigidity, sealing test process is both needed to repeated disassembled and assembled end cap, repeatedly tight a bolt, the securing members such as screw, workload is big, generally require the cost plenty of time, inefficiency, production cycle is long, and, also can because of misoperation, or employing bolt, it is inaccurate that dynamic holder is positioned by the securing members such as screw, instrument valve is caused to import and export poorly sealed, cause affecting test result, gouge it is also easy to during installation, damage the import and export of flange instrument valve, the adverse consequences such as even cause that flange instrument valve is scrapped。
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of reasonable in design, simple in construction, easy and simple to handle, good airproof performance, test product is not easily susceptible to the flange instrument valve sealing test device damaged。
For achieving the above object, the present invention is by the following technical solutions:
A kind of flange instrument valve sealing test device, it includes base, base one end is fixed with quiet holder, the defeated pressure passageway for connecting the defeated pressure pipe of supercharging equipment and instrument valve import it is provided with in quiet holder, the base other end is provided with moveable dynamic holder, dynamic holder moves to quiet holder and is held out against by instrument valve on quiet holder, and seal instrument valve outlet, described base is provided with the T-shaped track extended along dynamic holder moving direction, T-shaped track is embedded at least provided with a T-shaped slide block, base upper surface is provided with the zigzag track along dynamic holder moving direction distribution, described dynamic holder includes holding out against bearing and movable bearing support, movable bearing support is at quiet holder and holds out against between bearing, the T-shaped portion being connected with T-shaped slide it is provided with bottom movable bearing support, movable bearing support one end is provided with the first sealing cap assemblies for sealing instrument valve outlet, the described bearing that holds out against is connected with T-shaped slide block by securing member, bearing will be held out against and be fixed on base, hold out against bearing lower surface and be provided with one-way stop sawtooth, one-way stop sawtooth is connected with zigzag track, prevent from holding out against bearing to move to the base other end, hold out against bearing to be provided with for the pushing tow movable bearing support top-pushing mechanism to be held out against by instrument valve on quiet holder。
Described top-pushing mechanism includes screw mandrel and screw rod bushing, screw rod bushing one end is provided with the location shaft shoulder, pluggable being set in of the screw rod bushing other end holds out against in the installing hole that holder top is provided with, and screw rod bushing can not rotate in installing hole inner circumferential, it is threaded in the middle part of screw mandrel in screw rod bushing, the rotary screw other end, drives screw mandrel one end pushing tow movable bearing support other end。
Described top-pushing mechanism includes screw mandrel, is threaded in and holds out against in the tapped through hole that holder top is provided with in the middle part of screw mandrel, the rotary screw other end, drives screw mandrel one end pushing tow movable bearing support other end。
The described screw mandrel other end is rotated by motor or manual actuation。
Described top-pushing mechanism includes driver, and the outfan of driver is through holding out against the through hole pushing tow movable bearing support other end that holder top is provided with, and described driver is cylinder or hydraulic cylinder。
The described movable bearing support other end is provided with for cushion block。
It is provided with discharge-channel in described movable bearing support, movable bearing support is provided with the drain valve for controlling discharge-channel outlet break-make, first seals cap assemblies is provided with the first through hole, first through hole one end for and instrument valve outlet, the first through hole other end and discharge-channel inlet communication。
Described quiet holder is provided with the stop valve for controlling defeated pressure passageway break-make, quiet holder one end is provided with inlet union, inlet union one end is used for connecting the defeated pressure pipe of supercharging equipment, the inlet union other end and defeated pressure passageway inlet communication, the quiet holder other end is provided with the second sealing cap assemblies, second seals cap assemblies is provided with the second through hole, second through hole one end and defeated pressure passageway outlet, the second through hole other end for and instrument valve inlet communication。
Described first sealing cap assemblies and second seals cap assemblies and all includes a sealing lid and two sealing rings, and two sealing rings are separately positioned on sealing lid two ends。
Described T-shaped track is embedded with two T-shaped slide blocks, holds out against bearing two ends and connects respectively through securing member and two T-shaped slide blocks。
Described securing member is screw or bolt。
The present invention adopts above technical scheme, when installing flange instrument valve to be measured, first the T-shaped portion of movable bearing support is slidably connected in T-shaped track, length further according to tested instrument valve, adjust T-shaped slide block position in T-shaped track, then pass through securing member to hold out against bearing and be connected with T-shaped slide block, bearing it is fixed on base thus will be held out against, then tested instrument valve is placed between quiet holder and movable bearing support, make inlet union, defeated pressure passageway, second through hole, instrument valve, first through hole, discharge-channel is sequentially communicated, finally by the top-pushing mechanism pushing tow movable bearing support other end, instrument valve is held out against on quiet holder, and utilize the first sealing cap assemblies and the second sealing cap assemblies effectively to seal;When testing flange instrument valve sealing, close drain valve, opening stop valve, the defeated pressure pipe of supercharging equipment is connected to inlet union one end;When test instrumentation valve watertightness, supercharging is carried out to infusion fluid in instrument valve by supercharging equipment, for the ease of viewing, preferably pass into coloured liquid, then pass through whether scope meter valve has fluid seepage, and then judge the water sealing property of instrument valve, when test instrumentation valve air-tightness, supercharging is carried out to input gas in instrument valve by supercharging equipment, for the ease of viewing, this sealing test device of instrument valve can be will be equipped with and be placed in water, by whether scope meter valve there being bubble emerge, and then judge the gas sealing ability of instrument valve;It is completed, closes stop valve, open drain valve and carry out pressure release, in order to the later stage carries out dismounting。Meanwhile, drain valve is utilized to carry out turning off test, the turn-off performance of test instrumentation valve。
The design of one-way stop sawtooth of the present invention and zigzag track, can ensure that dynamic holder fixedly secures on base when supercharging is tested, effectively prevent supercharging equipment from causing that dynamic holder moves to the base other end to supercharging in instrument valve, substantially reduce the stress of securing member, without requiring that operator carrys out tightening fastener parts by very big strength, operation is simpler and light;Dynamic holder includes the design holding out against bearing and movable bearing support, make it can carry out Primary Location and fixing first with holding out against bearing, the top-pushing mechanism that recycling holds out against on bearing carries out fine adjustment, then utilize movable bearing support to seal instrument valve outlet, and by top-pushing mechanism with coordinate with movable bearing support instrument valve is held out against on quiet holder, this design makes when the various instrument valves that length is more or less the same carry out batch installation and checkout, bearing is held out against without dismounting, only top-pushing mechanism need to be adopted to carry out fine adjustment, save dismounting step, substantially reduce the testing time, improve work efficiency, also can individually easily damaged parts be replaced simultaneously, it is easy to safeguard and maintenance, advantageously reduce cost;The design of stop valve, it is simple to control input and the cut-off of pressure medium;The design of drain valve, it is simple to when being completed, instrument valve is carried out pressure release, is conducive to later stage dismounting instrument valve, simultaneously facilitates bubble when turning off test and observes, and is also convenient for test instrumentation valve and whether unimpeded imports and exports。
The present invention is reasonable in design, simple in construction, easy maintenance, good economy performance, can quickly realize the clamping of instrument valve, easy and simple to handle, substantially reduces the testing time, improves work efficiency, and can carry out fine adjustment, improves pressure and sealing further。
Accompanying drawing explanation
In conjunction with accompanying drawing, the present invention is further elaborated:
Fig. 1 is flange instrument valve sealing test device structural representation of the present invention;
Fig. 2 is flange instrument valve sealing test device cross-sectional schematic of the present invention;
Fig. 3 is movable bearing support left view structural representation of the present invention;
Fig. 4 is the right TV structure schematic diagram of screw rod bushing of the present invention;
Fig. 5 is the embodiment of the present invention 1 plan structure schematic diagram;
Fig. 6 is the embodiment of the present invention 2 plan structure schematic diagram。
Detailed description of the invention
As shown in one of Fig. 1-6, the present invention includes base 1, base 1 one end is fixed with quiet holder 2, the defeated pressure passageway 21 for connecting the defeated pressure pipe of supercharging equipment and instrument valve 3 import it is provided with in quiet holder 2, base 1 other end is provided with moveable dynamic holder 4, dynamic holder 4 moves to quiet holder 2 and is held out against by instrument valve 3 on quiet holder 2, and seal instrument valve 3 and export, described base 1 is provided with the T-shaped track 11 extended along dynamic holder 4 moving direction, T-shaped track 11 is embedded at least provided with a T-shaped slide block 12, base 1 upper surface is provided with the zigzag track 13 along dynamic holder 4 moving direction distribution, described dynamic holder 4 includes movable bearing support 5 and holds out against bearing 6, movable bearing support 5 is at quiet holder 2 and holds out against between bearing 6, the T-shaped portion 51 being slidably connected with T-shaped track 11 it is provided with bottom movable bearing support 5, movable bearing support 5 one end is provided with the first sealing cap assemblies 52 for sealing instrument valve 3 outlet, the described bearing 6 that holds out against is connected with T-shaped slide block 12 by securing member 61, bearing 6 will be held out against and be fixed on base 1, hold out against bearing 6 lower surface and be provided with one-way stop sawtooth 62, one-way stop sawtooth 62 is connected with zigzag track 13, prevent from holding out against bearing 6 to move to base 1 other end, hold out against bearing 6 to be provided with for the pushing tow movable bearing support 5 top-pushing mechanism 63 to be held out against by instrument valve 3 on quiet holder 2。
Described top-pushing mechanism 63 includes screw mandrel 631 and screw rod bushing 632, screw rod bushing 632 one end is provided with the location shaft shoulder 6321, pluggable being set in of screw rod bushing 632 other end holds out against in the installing hole that bearing 6 top is provided with, and screw rod bushing 632 can not rotate in installing hole inner circumferential, it is threaded in screw rod bushing 632 in the middle part of screw mandrel 631, rotary screw 631 other end, drives screw mandrel 631 one end pushing tow movable bearing support 5 other end。
Described top-pushing mechanism 63 includes screw mandrel 631, is threaded in and holds out against in the tapped through hole that holder top is provided with in the middle part of screw mandrel, the rotary screw other end, drives screw mandrel one end pushing tow movable bearing support other end。
Described screw mandrel 631 other end is rotated by motor or manual actuation。
Described top-pushing mechanism 63 includes driver, and the outfan of driver is through holding out against the through hole pushing tow movable bearing support other end that holder top is provided with, and described driver is cylinder or hydraulic cylinder。
Described movable bearing support 5 other end is provided with for cushion block 53。
It is provided with discharge-channel 54 in described movable bearing support 5, movable bearing support 5 is provided with the drain valve 55 exporting break-make for controlling discharge-channel 54, first seals cap assemblies 52 is provided with the first through hole, first through hole one end for and instrument valve 3 outlet, the first through hole other end and discharge-channel 54 inlet communication。
Described quiet holder 2 is provided with the stop valve 22 for controlling defeated pressure passageway 21 break-make, quiet holder 2 one end is provided with inlet union 23, inlet union 23 one end is used for connecting the defeated pressure pipe (not shown) of supercharging equipment, inlet union 23 other end and defeated pressure passageway 21 inlet communication, quiet holder 2 other end is provided with the second sealing cap assemblies 24, second seals cap assemblies 24 is provided with the second through hole, second through hole one end and defeated pressure passageway 21 outlet, the second through hole other end for and instrument valve 3 inlet communication。
Described first sealing cap assemblies 52 and the second sealing cap assemblies 24 all include a sealing lid and two sealing rings, and two sealing rings are separately positioned on sealing lid two ends。
Described T-shaped track 11 is embedded with two T-shaped slide blocks, holds out against bearing 6 two ends and is connected with two T-shaped slide blocks 12 respectively through securing member 61。
Described securing member 61 is screw or bolt。
Embodiment 1
As shown in Figure 5, when test single import and export flange instrument valve 31, adopt the flange instrument valve sealing test device of a set of present invention, the import of single import and export flange instrument valve 31, outlet seal the second through hole on cap assemblies 24 respectively with second, the first the first through hole sealed on cap assemblies 52 connects, and then passes through dynamic holder 4 and holds out against, seals。
Embodiment 2
As shown in Figure 6, when test double, two import and export flange instrument valve 32, adopt the flange instrument valve sealing test device of the two set present invention, two set flange instrument valve sealing test devices have two bases 1, two base 1 two ends respectively adopt a connector 7 to connect, thus forming an entirety, then two imports of double, two import and export flange instrument valves 32 are connected with two second the second through holes sealed on cap assemblies 24 respectively, two of double, two import and export flange instrument valves 32 outlets are connected with two first the first through holes sealed on cap assemblies 52 respectively, then hold out against respectively through two dynamic holders 4, seal。
The present invention adopts above technical scheme, when installing flange instrument valve 3 to be measured, first the T-shaped portion 51 of movable bearing support 5 is slidably connected in T-shaped track 11, length further according to tested instrument valve 3, adjust the T-shaped slide block 12 position in T-shaped track 11, then pass through securing member 61 to hold out against bearing 6 and be connected with T-shaped slide block 12, bearing 6 it is fixed on base 1 thus will be held out against, then tested instrument valve 3 is placed between quiet holder 2 and movable bearing support 5, make inlet union 23, defeated pressure passageway 21, second through hole, instrument valve 3, first through hole, discharge-channel 54 is sequentially communicated, finally by top-pushing mechanism 63 pushing tow movable bearing support 5 other end, instrument valve 3 is held out against on quiet holder 2, and utilize the first sealing cap assemblies 52 and the second sealing cap assemblies 24 effectively to seal;When testing flange instrument valve 3 sealing, close drain valve 55, opening stop valve 22, the defeated pressure pipe of supercharging equipment is connected to inlet union 23 one end;When test instrumentation valve 3 watertightness, supercharging is carried out to infusion fluid in instrument valve 3 by supercharging equipment, for the ease of viewing, preferably pass into coloured liquid, then pass through whether scope meter valve 3 has fluid seepage, and then judge the water sealing property of instrument valve 3, when test instrumentation valve 3 air-tightness, supercharging is carried out to input gas in instrument valve 3 by supercharging equipment, for the ease of viewing, this sealing test device of instrument valve 3 can be will be equipped with and be placed in water, by whether scope meter valve 3 there being bubble emerge, and then judge the gas sealing ability of instrument valve 3;It is completed, closes stop valve 22, open drain valve 55 and carry out pressure release, in order to the later stage carries out dismounting。Meanwhile, drain valve 55 is utilized to carry out turning off test, the turn-off performance of test instrumentation valve。
The design of one-way stop sawtooth 62 of the present invention and zigzag track 13, can ensure that dynamic holder 4 fixedly secures when supercharging is tested on base 1, effectively prevent supercharging equipment from causing that dynamic holder 4 moves to base 1 other end to supercharging in instrument valve 3, substantially reduce the stress of securing member, without requiring that operator carrys out tightening fastener parts by very big strength, operation is simpler and light;Dynamic holder includes the design holding out against bearing 6 and movable bearing support 5, make it can carry out Primary Location and fixing first with holding out against bearing 6, the top-pushing mechanism 63 that recycling holds out against on bearing 6 carries out fine adjustment, then utilize movable bearing support 5 to seal instrument valve outlet, and by top-pushing mechanism 63 with coordinate with movable bearing support 5 instrument valve 3 is held out against on quiet holder 2, this design makes when the various instrument valves that length is more or less the same carry out batch installation and checkout, bearing is held out against without dismounting, only top-pushing mechanism need to be adopted to carry out fine adjustment, save dismounting step, substantially reduce the testing time, improve work efficiency, also can individually easily damaged parts be replaced simultaneously, it is easy to safeguard and maintenance, advantageously reduce cost;The design of stop valve 22, it is simple to control input and the cut-off of pressure medium;The design of drain valve 55, it is simple to when being completed, instrument valve is carried out pressure release, is conducive to later stage dismounting instrument valve, simultaneously facilitates bubble when turning off test and observes, and is also convenient for test instrumentation valve and whether unimpeded imports and exports。
The present invention is reasonable in design, simple in construction, easy maintenance, good economy performance, can quickly realize the clamping of instrument valve, easy and simple to handle, substantially reduces the testing time, improves work efficiency, and can carry out fine adjustment, improves pressure and sealing further。
Protection scope of the present invention should not had any restriction by above description。

Claims (10)

1. a flange instrument valve sealing test device, including base, base one end is fixed with quiet holder, the defeated pressure passageway for connecting the defeated pressure pipe of supercharging equipment and instrument valve import it is provided with in quiet holder, the base other end is provided with moveable dynamic holder, dynamic holder moves to quiet holder and is held out against by instrument valve on quiet holder, and seal instrument valve outlet, it is characterized in that: described base is provided with the T-shaped track extended along dynamic holder moving direction, T-shaped track is embedded at least provided with a T-shaped slide block, base upper surface is provided with the zigzag track along dynamic holder moving direction distribution, described dynamic holder includes holding out against bearing and movable bearing support, movable bearing support is at quiet holder and holds out against between bearing, the T-shaped portion being connected with T-shaped slide it is provided with bottom movable bearing support, movable bearing support one end is provided with the first sealing cap assemblies for sealing instrument valve outlet, the described bearing that holds out against is connected with T-shaped slide block by securing member, bearing will be held out against and be fixed on base, hold out against bearing lower surface and be provided with one-way stop sawtooth, one-way stop sawtooth is connected with zigzag track, prevent from holding out against bearing to move to the base other end, hold out against bearing to be provided with for the pushing tow movable bearing support top-pushing mechanism to be held out against by instrument valve on quiet holder。
2. a kind of flange instrument valve sealing test device according to claim 1, it is characterized in that: described top-pushing mechanism includes screw mandrel and screw rod bushing, screw rod bushing one end is provided with the location shaft shoulder, pluggable being set in of the screw rod bushing other end holds out against in the installing hole that holder top is provided with, and screw rod bushing can not rotate in installing hole inner circumferential, it is threaded in the middle part of screw mandrel in screw rod bushing, the rotary screw other end, drives screw mandrel one end pushing tow movable bearing support other end。
3. a kind of flange instrument valve sealing test device according to claim 1, it is characterized in that: described top-pushing mechanism includes screw mandrel, it is threaded in the middle part of screw mandrel and holds out against in the tapped through hole that holder top is provided with, the rotary screw other end, drive screw mandrel one end pushing tow movable bearing support other end。
4. a kind of flange instrument valve sealing test device according to Claims 2 or 3, it is characterised in that: the described screw mandrel other end is rotated by motor or manual actuation。
5. a kind of flange instrument valve sealing test device according to claim 1, it is characterized in that: described top-pushing mechanism includes driver, the outfan of driver is through holding out against the through hole pushing tow movable bearing support other end that holder top is provided with, and described driver is cylinder or hydraulic cylinder。
6. a kind of flange instrument valve sealing test device according to claim 1,2,3 or 5, it is characterised in that: the described movable bearing support other end is provided with for cushion block。
7. a kind of flange instrument valve sealing test device according to claim 1, it is characterized in that: in described movable bearing support, be provided with discharge-channel, movable bearing support is provided with the drain valve for controlling discharge-channel outlet break-make, first seals cap assemblies is provided with the first through hole, first through hole one end for and instrument valve outlet, the first through hole other end and discharge-channel inlet communication。
8. a kind of flange instrument valve sealing test device according to claim 1, it is characterized in that: described quiet holder is provided with the stop valve for controlling defeated pressure passageway break-make, quiet holder one end is provided with inlet union, inlet union one end is used for connecting the defeated pressure pipe of supercharging equipment, the inlet union other end and defeated pressure passageway inlet communication, the quiet holder other end is provided with the second sealing cap assemblies, second seals cap assemblies is provided with the second through hole, second through hole one end and defeated pressure passageway outlet, the second through hole other end is used for and instrument valve inlet communication。
9. a kind of flange instrument valve sealing test device according to claim 8, it is characterised in that: described first sealing cap assemblies and second seals cap assemblies and all includes a sealing lid and two sealing rings, and two sealing rings are separately positioned on sealing lid two ends。
10. a kind of flange instrument valve sealing test device according to claim 1, it is characterised in that: described T-shaped track is embedded with two T-shaped slide blocks, holds out against bearing two ends and connects respectively through securing member and two T-shaped slide blocks。
CN201610185638.6A 2016-03-28 2016-03-28 A kind of flange instrument valve sealing test device Active CN105699018B (en)

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CN105699018B CN105699018B (en) 2019-03-26

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CN101987420A (en) * 2010-09-13 2011-03-23 江苏江旭铸造集团有限公司 Positioning and clamping device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108827609A (en) * 2018-04-27 2018-11-16 林明 A kind of numerical control Self-debugging flange machine
CN115307819A (en) * 2022-10-10 2022-11-08 伙伴精密技术(江苏)有限公司 Valve sealing performance test equipment

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