CN107748107A - A kind of flanged valve hydraulic test bench - Google Patents
A kind of flanged valve hydraulic test bench Download PDFInfo
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- CN107748107A CN107748107A CN201711067180.5A CN201711067180A CN107748107A CN 107748107 A CN107748107 A CN 107748107A CN 201711067180 A CN201711067180 A CN 201711067180A CN 107748107 A CN107748107 A CN 107748107A
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- valve
- montant
- projection
- top board
- lower platen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to flanged valve hydraulic test bench technical field, and in particular to a kind of flanged valve hydraulic test bench.Including valve actuator, support frame is connected below valve actuator, support frame is opening down gate frame, the support frame includes a cross bar and two montants, valve actuator depression bar is stretched into inside gate frame through cross bar, and depression bar lower end is fixedly connected with the upper surface of top board, the lower end connect base of gate frame, base is provided with hydraulic jack, hydraulic jack connects lower platen, and hydraulic jack connection connection press pump is of the invention simple in construction, manufacturing cost is low, easy to use.
Description
Technical field
The invention belongs to flanged valve hydraulic test bench technical field, and in particular to a kind of flanged valve hydraulic test
Platform.
Background technology
Flanged valve, it is necessary to according to code requirement, carries out the selective examination examination of its intensity and sealing before sale of dispatching from the factory
Test, to ensure that after long-distance transport handling, flanged valve casing rigidity and favorable sealing property are existing to flange by packaging
The device of formula valve is Chinese invention patent " a kind of hydraulic valve general assembly leakage test platform ", and application publication number is
CN104296950A, data of publication of application are on January 21st, 2015, and the hydraulic valve general assembly leakage test platform includes switch board, surveyed
Based platform, feeding and conveying device, integrating device and pressing device are tried, switch board is located at the left side of test based platform, feeding conveying
Device is arranged on the front portion of test based platform, and integrating device is arranged on the top of test based platform, and it is defeated that pressing device is located at feeding
The rear side of device is sent, pressing device is fixed on the bottom of test based platform, but the inventive structure is complicated, and manufacturing cost is higher,
Therefore prior art needs further improve.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, manufacturing cost is low, flanged valve hydraulic pressure easy to use
Testing stand.
Based on above-mentioned purpose, the present invention/invention adopts the following technical scheme that：
A kind of flanged valve hydraulic test bench, including valve actuator, valve actuator lower section connection support frame, support
Frame is opening down gate frame, and the support frame includes a cross bar and two montants, and valve actuator depression bar runs through cross bar
Stretch into inside gate frame, depression bar lower end is fixedly connected with the upper surface of top board, the lower end connect base of gate frame, on base
Provided with hydraulic jack, hydraulic jack connection lower platen, hydraulic jack connection connection press pump, top board plate face, lower platen
Plate face is parallel with susceptor surface, and described montant includes the first montant and the second montant, the length direction of depression bar, the plate of top board
The face center of circle, the plate face center of circle of lower platen and hydraulic jack axle center are located on the same line, the second described montant from upper and
Under be sequentially provided with adjustment bracket and mounting bracket, described adjustment bracket be demountable structure.
Further, described adjustment bracket includes two steel plates, and two steel plates are located at the both sides of the second montant, steel plate respectively
Plate face it is parallel with the length direction of montant, one end of two steel plates is perpendicular with the use of being fixed in second by screw bolt and nut
On bar, dismountable structure is formed, the other ends of two steel plates stretches to the inside of gate frame, and two steel plates are towards one side of top board
It is parallel with the plate face of top board.
Further, the upper surface of described top board and the lower surface of lower platen on it is uniformly equidistant along its axial plane
It is distributed several place-limited edges.
Further, described mounting bracket includes transverse slat, and one end of transverse slat is fixedly connected with the second montant, transverse slat it is another
One end is stretched into inside gate frame, and the plate face of transverse slat is parallel with the plate face of lower platen, and lower platen is placed on transverse slat, the plate of transverse slat
Face is buckled in the interval location between two place-limited edges of lower platen just.
Further, described depression bar lower end is additionally provided with steel ball, and steel ball is to be cut into plane above ball and ball
Cut surface is formed, the cut surface of ball and the lower end of depression bar are welded, and the ball is connected by the upper surface of fixture and top board,
Described fixture includes two halves flange, and two and half flanges are cut from top to bottom by diameter of the integral (type) flange along its axial plane
Form, two and half flanges clamp one integral (type) flange of steel ball and synthesis from the both sides of steel ball respectively, and it is whole that formation steel ball is buckled in this
The structure at the inside interval of body flange, after two and half flanges synthesize an integral (type) flange, the two and half flanges lower surface passes through spiral shell
Screw bolt and nut makes it be fixedly connected in fixed plate.
Further, the first described montant and the second montant are set by the relative channel-section steels of two openings, two channel-section steels
There is interval between opening.
Further, the first described montant is provided with position limiting clamp, and the position limiting clamp includes clamping plate, and clamping plate is connected by connecting rod
Connect limited block, clamping plate is located at the both sides of the first montant with limited block respectively, connecting rod through two channel-section steel openings of the first montant it
Between interval, clamping plate is located at the side outside gate frame, described cleat plate towards the side inside gate frame, limited block
Face is parallel with the plate face of top board, and clamping plate is provided with opening, and the place-limited edge of top board is buckled in open interior just.
Further, the first described montant side wall is provided with the first projection, and the second described montant side wall is provided with the
When two projections, the first montant and the second montant joint, the first projection and the second projection joint, the first projection and the second projection
During contact, the collar is arranged outside the first projection and the second projection, forms the first projection and the stuck knot inside the collar of the second projection
Structure, the first described projection and the second projection are additionally provided with through hole, and steel wire run through in through hole, are formed and fix the first projection and second convex
The structure of block.
Further, dismountable jack height-regulating device is additionally provided with described base, lower platen is placed on adjustment support
When on frame, jack height-regulating device is positioned over the lower section of hydraulic jack, and described jack height-regulating device includes steel column, steel column
Upper surface and lower surface connect circular slab respectively, the side of steel column, which is provided with, is respectively equipped with two relative handles, steel column upper end
The circular slab in face is provided with restraint rib, and restraint rib is located at hydraulic jack lower peripheral, the bottom surface of lucky buckle hydraulic jack.
Further, through hole is respectively equipped with described top board and lower platen, the through hole runs through top board from top to bottom
Plate face and positioned at top board plate face shaft core position, the through hole from top to bottom through lower platen plate face and be located at lower platen plate
The shaft core position in face, the through hole of described top board connect the first pipeline, and the first pipeline is provided with the first valve, and described pushes
The through hole of plate connects hydraulic test pump by second pipe, and the direction on second pipe along lower platen through hole to hydraulic test pump is sequentially provided with pressure
Power table, the second valve and the 3rd valve, pass through the 3rd pipeline on the second pipe between described the second valve and the 3rd valve
Hydraulic test pump is connected, is sequentially provided with the 4th valve along the junction of second pipe and the 3rd pipeline to the direction of hydraulic test pump on the 3rd pipeline
Door and the 5th valve, pass through the 4th pipeline communication water source between the 4th described valve and the 5th valve.
Flanged valve upper surface and lower surface are compressed and measure its flanged valve by the top board and lower platen of the present invention
Bearing strength, and using steel ball connection top board, be used cooperatively using clamping plate and steel ball, it is possible to achieve top board it is micro-
Adjust, also have mounting bracket and adjustment bracket on the second montant, the height of lower platen can be adjusted, be adapted to different height, it is different
The measurement of the flanged valve of specification, and montant is the first montant and the second montant, convenient disassembly, adjusts bracket and also uses spiral shell
Bar and nut are fixed, convenient dismounting, and simple in construction, low manufacture cost of the invention is easy to use.
Brief description of the drawings
The connection diagram of Fig. 1 valve actuators and support frame；
Fig. 2 is the location diagram of the place-limited edge of position limiting clamp and top board；
Fig. 3 is the connection diagram of top board, lower platen and hydraulic test pump；
Fig. 4 is the structural representation of jack height-regulating device；
Fig. 5 is the location diagram of steel ball and half flange；
Fig. 6 is the structural representation of circular slab and restraint rib；
Fig. 7 is the structural representation of base.
Embodiment
A kind of flanged valve hydraulic test bench, including valve actuator 1, described valve actuator 1 are specification
For BA-3, the lower section of valve actuator 1 connection support frame 2, support frame 2 is opening down gate frame, and the support frame 2 includes one
Individual cross bar 201 and two montants 202, the depression bar 101 of valve actuator 1 are stretched into inside gate frame through cross bar 201, and valve drives
Dynamic device 1 includes depression bar 101, and the lower end of depression bar 101 is fixedly connected with the upper surface of top board 3, the lower end connect base of gate frame
4, base 4 is provided with hydraulic jack 5, and hydraulic jack 5 connects lower platen 6, and the connection connection press pump of hydraulic jack 5 is described
The specification of press pump be PC700, the plate face of top board 3, the plate face of lower platen 6 are parallel with the surface of base 4, and described montant 202 includes
First montant 2021 and the second montant 2022, the length direction of depression bar 101, the plate face center of circle of top board 3, the plate face of lower platen 6
The center of circle and the axle center of hydraulic jack 5 are located on the same line, and the second described montant 2022 is sequentially provided with adjustment from top to bottom
Bracket 7 and mounting bracket 8, described adjustment bracket 7 are demountable structure, and described adjustment bracket 7 includes two steel plates 701,
Two steel plates 701 are located at the both sides of the second montant 2022 respectively, and the plate face of steel plate 701 is parallel with the length direction of montant 202, two steel
One end of plate 701 with the use of being fixed on the second montant 2022, forms dismountable structure by screw bolt and nut, and two
The other end of steel plate 701 stretches to the inside of gate frame, and two steel plates 701 are put down towards one side of top board 3 and the plate face of top board 3
OK, the upper surface of described top board 3 and the lower surface of lower platen 6 on be uniformly distributed at equal intervals along its axial plane it is several spacing
Rib 9, described mounting bracket 8 include transverse slat 801, and one end of transverse slat 801 is fixedly connected with the second montant 2022, transverse slat 801
The other end is stretched into inside gate frame, and the plate face of transverse slat 801 is parallel with the plate face of lower platen 6, and lower platen 6 is placed on transverse slat 801
On, the plate face of transverse slat 801 is buckled in the interval location between two place-limited edges 9 of lower platen 6, the described lower end of depression bar 101 just
Be additionally provided with steel ball 102, steel ball 102 is to be cut into plane above ball and ball to form cut surface, the cut surface of ball with
The lower end welding of depression bar 101, the ball are connected by fixture with the upper surface of top board 3, and described fixture includes two halves
Flange 103, two and half flanges 103 are to be cut to form from top to bottom by diameter of the integral (type) flange along its axial plane, two and half methods
Orchid 103 clamps one integral (type) flange of steel ball 102 and synthesis from the both sides of steel ball 102 respectively, and the height of the flange is more than ball
Radius, the height of the flange are less than cut surface to the distance of ball bottom, form the inside that steel ball 102 is buckled in the integral (type) flange
The structure at interval, after two and half flanges 103 synthesize an integral (type) flange, the lower surface of two and half flange 103 passes through bolt and spiral shell
Female makes it be fixedly connected in fixed plate 104, and the first described montant 2021 and the second montant 2022 are by two
The channel-section steel for being open relative is set, and has interval between the opening of two channel-section steels, and the first described montant 2021 is provided with position limiting clamp
10, the position limiting clamp 10 includes clamping plate 1001, and clamping plate 1001 connects limited block 1003 by connecting rod 1002, clamping plate 1001 with it is spacing
Block 1003 is located at the both sides of the first montant 2021 respectively, and connecting rod 1002 runs through between 2,021 two channel-section steel openings of the first montant
Interval, clamping plate 1001 are located at the side outside gate frame, described folder towards the side inside gate frame, limited block 1003
The plate face of plate 1001 is parallel with the plate face of top board 3, and clamping plate 1001 is provided with opening, and the place-limited edge 9 of top board 3 is buckled in out just
Intraoral portion, the described side wall of the first montant 2021 are provided with the first projection 11, and the described side wall of the second montant 2022 is provided with the
Two projections 12, when the first montant 2021 and the second 2022 joint of montant, the first projection 11 and the joint of the second projection 12, first
When the projection 12 of projection 11 and second contacts, the first projection 11 with the collar 13 is arranged outside the second projection 12, formed the first projection 11 and
Second projection, the 12 stuck structure inside the collar 13, the first described projection 11 and the second projection 12 are additionally provided with through hole, through hole
It is interior to run through steel wire, the structure for fixing the first projection 11 and the second projection 12 is formed, dismountable thousand are additionally provided with described base 4
Jin top height-regulating device 14, when lower platen 6 is placed on adjustment bracket 7, jack height-regulating device 14 is positioned over hydraulic jack 5
Lower section, described jack height-regulating device 14 include steel column 1401, and the upper surface and lower surface of steel column 1401 connect circle respectively
Plate 1402, the side of steel column 1401, which is provided with, is respectively equipped with two relative handles 1403, the circular slab of the upper surface of steel column 1401
1402 are provided with restraint rib 1404, and restraint rib 1404 is located at the lower peripheral of hydraulic jack 5, lucky buckle hydraulic jack 5
Bottom surface, through hole is respectively equipped with described top board 3 and lower platen 6, the through hole plate face through top board 3 and position from top to bottom
In the shaft core position of the plate face of top board 3, the through hole runs through the plate face of lower platen 6 and positioned at the axle of the plate face of lower platen 6 from top to bottom
Heart position, the through hole of described top board 3 connect the first pipeline 15, and the first pipeline 15 is provided with the first valve 16, under described
The through hole of pressing plate 6 connects hydraulic test pump 18 by second pipe 17, along the through hole of lower platen 6 to the side of hydraulic test pump 18 on second pipe 17
To being sequentially provided with pressure gauge 19, the second valve 20 and the 3rd valve 21, between the second described valve 20 and the 3rd valve 21
Hydraulic test pump 18 is connected by the 3rd pipeline 22 on second pipe 17, along the pipeline 22 of second pipe 17 and the 3rd on the 3rd pipeline 22
Junction to the direction of hydraulic test pump 18 is sequentially provided with the 4th valve 23 and the 5th valve 24, the 4th described valve 23 and the 5th valve
Water source 26 is connected by the 4th pipeline 25 between door 24, described base 4 is provided with stop block 27, and the limited block 1003 is arranged on
The periphery of the bottom surface of hydraulic jack 5, when hydraulic jack 5 is placed on base 4, the lucky buckle in bottom surface of hydraulic jack 5
In the inside of stop block 27.
In use, first detecting the bearing strength of flanged valve, lower platen 6 is placed in mounting bracket 8, hydraulic jack
Top 5 jacks up lower platen 6 upwards, and top board 3 is pressed downward by depression bar 101, and flanged valve is placed on into top board 3 and lower platen 6
Between, when the height of flanged valve is relatively low, lower platen 6 is placed on adjustment bracket 7, then jack height-regulating device will be used
14 heighten hydraulic jack 5, according to the data of the pressure gauge 19 of hydraulic jack 5, can measure the bearing strength of flanged valve；
The tightness of flanged valve is detected again, top board 3 and lower platen 6 is compressed to flanged valve, by flanged valve
Open, first close the 5th valve 24 and the 3rd valve 21, open the first valve 16, the second valve 20, the 4th valve 23, by water from
Water is passed through in the through hole of lower platen 6, the through hole of water from lower platen 6 enters through flanged valve and flowed out from the first valve 16
Afterwards, the first valve 16 and the 4th valve 23 are closed, the 3rd valve 21 is opened, is pressurizeed using hydraulic test pump 18, determines flange form
The tightness of valve.
Claims (10)
1. a kind of flanged valve hydraulic test bench, it is characterised in that including valve actuator, connect below valve actuator
Support frame is connect, support frame is opening down gate frame, and the support frame includes a cross bar and two montants, valve actuator
Depression bar is stretched into inside gate frame through cross bar, and depression bar lower end is fixedly connected with the upper surface of top board, and the lower end of gate frame connects
Base is connect, base is provided with hydraulic jack, hydraulic jack connection lower platen, hydraulic jack connection connection press pump, upper pressure
Plate plate face, lower platen plate face are parallel with susceptor surface, and described montant includes the first montant and the second montant, the length side of depression bar
It is located on the same line to, the plate face center of circle of top board, the plate face center of circle of lower platen and hydraulic jack axle center, described
It is demountable structure that two montants are sequentially provided with adjustment bracket and mounting bracket, described adjustment bracket from top to bottom.
A kind of 2. flanged valve hydraulic test bench according to claim 1, it is characterised in that described adjustment support
Frame includes two steel plates, and two steel plates are located at the both sides of the second montant respectively, and the plate face of steel plate is parallel with the length direction of montant, and two
One end of steel plate, with the use of being fixed on the second montant, forms dismountable structure, two steel plates by screw bolt and nut
The other end stretch to the inside of gate frame, two steel plates are parallel with the plate face of top board towards one side of top board.
A kind of 3. flanged valve hydraulic test bench according to claim 2, it is characterised in that described top board
Upper surface and lower platen lower surface on along its axial plane be uniformly distributed several place-limited edges at equal intervals.
A kind of 4. flanged valve hydraulic test bench according to claim 3, it is characterised in that described fixed support
Frame includes transverse slat, and one end of transverse slat is fixedly connected with the second montant, and the other end of transverse slat is stretched into inside gate frame, the plate of transverse slat
Face is parallel with the plate face of lower platen, and lower platen is placed on transverse slat, and the plate face of transverse slat is buckled in two place-limited edges of lower platen just
Between interval location.
5. a kind of flanged valve hydraulic test bench according to claim 4, it is characterised in that under described depression bar
End is additionally provided with steel ball, and steel ball is to be cut into plane above ball and ball to form cut surface, the cut surface and depression bar of ball
Lower end welding, the ball connected by the upper surface of fixture and top board, and described fixture includes two halves flange, two
Half flange is to be cut to form from top to bottom by diameter of the integral (type) flange along its axial plane, and two and half flanges are respectively from the two of steel ball
Side clamp steel ball and synthesis one integral (type) flange, formed steel ball be buckled in the integral (type) flange inside interval structure, two and half
After flange synthesizes an integral (type) flange, the two and half flanges lower surface is fixedly connected with it by screw bolt and nut
In fixed plate.
A kind of 6. flanged valve hydraulic test bench according to claim 5, it is characterised in that described the first montant and
Second montant is set by the relative channel-section steel of two openings, has interval between the opening of two channel-section steels.
7. a kind of flanged valve hydraulic test bench according to claim 6, it is characterised in that on the first described montant
Provided with position limiting clamp, the position limiting clamp includes clamping plate, and clamping plate connects limited block by connecting rod, and clamping plate is located at first respectively with limited block
The both sides of montant, the interval that connecting rod runs through between two channel-section steel openings of the first montant, clamping plate is towards one inside gate frame
Side, limited block are located at the side outside gate frame, and described clamping plate plate face is parallel with the plate face of top board, and clamping plate is provided with and opened
Mouthful, the place-limited edge of top board is buckled in open interior just.
A kind of 8. flanged valve hydraulic test bench according to claim 7, it is characterised in that the first described montant side
Wall is provided with the first projection, when the second described montant side wall is provided with the second projection, the first montant and the second montant joint,
First projection and the second projection joint, when the first projection and the second bump contact, it is arranged outside the first projection and the second projection
Ring, forms the first projection and the stuck structure inside the collar of the second projection, the first described projection and the second projection are additionally provided with
Through hole, through hole is interior to run through steel wire, forms the structure for fixing the first projection and the second projection.
9. a kind of flanged valve hydraulic test bench according to claim 8, it is characterised in that also set on described base
There is dismountable jack height-regulating device, when lower platen is placed on adjustment bracket, jack height-regulating device is positioned over hydraulic pressure thousand
The lower section on jin top, described jack height-regulating device include steel column, and the upper surface and lower surface of steel column connect circular slab, steel respectively
The side of post is provided with and is respectively equipped with two relative handles, and the circular slab of steel column upper surface is provided with restraint rib, and restraint rib is located at
Hydraulic jack lower peripheral, the bottom surface of lucky buckle hydraulic jack.
A kind of 10. flanged valve hydraulic test bench according to claim 9, it is characterised in that described top board and
Through hole is respectively equipped with lower platen, the through hole runs through the plate face of top board and positioned at the axle center position of top board plate face from top to bottom
Put, the plate face through lower platen and the shaft core position positioned at lower platen plate face, described top board lead to the through hole from top to bottom
Hole connects the first pipeline, and the first pipeline is provided with the first valve, and the through hole of described lower platen connects pressure testing by second pipe
Pump, the direction on second pipe along lower platen through hole to hydraulic test pump is sequentially provided with pressure gauge, the second valve and the 3rd valve, described
The second valve and the 3rd valve between second pipe on hydraulic test pump connected by the 3rd pipeline, along the second pipe on the 3rd pipeline
The junction of road and the 3rd pipeline to the direction of hydraulic test pump is sequentially provided with the 4th valve and the 5th valve, the 4th described valve and
Pass through the 4th pipeline communication water source between 5th valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067180.5A CN107748107B (en) | 2017-11-03 | 2017-11-03 | Flange type valve hydraulic test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067180.5A CN107748107B (en) | 2017-11-03 | 2017-11-03 | Flange type valve hydraulic test bench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107748107A true CN107748107A (en) | 2018-03-02 |
| CN107748107B CN107748107B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711067180.5A Active CN107748107B (en) | 2017-11-03 | 2017-11-03 | Flange type valve hydraulic test bench |
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| Country | Link |
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| CN (1) | CN107748107B (en) |
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| CN108956108A (en) * | 2018-05-21 | 2018-12-07 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation detection machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956108A (en) * | 2018-05-21 | 2018-12-07 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation detection machine |
| CN109827711A (en) * | 2019-04-10 | 2019-05-31 | 招商局重庆交通科研设计院有限公司 | A kind of waterproof test equipment with static(al) locking device |
| CN109827711B (en) * | 2019-04-10 | 2023-09-12 | 招商局重庆交通科研设计院有限公司 | Water tightness test equipment with static locking device |
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| CN107748107B (en) | 2020-07-14 |
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