CN112611556B - Test bench for safety valve detection - Google Patents
Test bench for safety valve detection Download PDFInfo
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- CN112611556B CN112611556B CN202011387251.1A CN202011387251A CN112611556B CN 112611556 B CN112611556 B CN 112611556B CN 202011387251 A CN202011387251 A CN 202011387251A CN 112611556 B CN112611556 B CN 112611556B
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- safety valve
- block
- seat
- mounting
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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
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating 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
- G01M3/08—Investigating 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
- G01M3/086—Investigating 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)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention belongs to the technical field of valve detection equipment, and particularly relates to a test bench for safety valve detection, which comprises a detection bench and a clamp for clamping a safety valve, wherein a through hole is formed in the detection bench, a lifting joint capable of sliding up and down is installed in the through hole, a plurality of clamping groups are circumferentially arranged on a mounting plate, each clamping group comprises a hinge seat integrally formed with the mounting plate and a clamping block hinged in the hinge seat, each clamping block is in an inverted L shape, a hinge table is integrally formed at the outer end of each inverted L-shaped clamping block, each clamping block is hinged with the hinge seat through the hinge table, an arc-shaped block is integrally formed at the front end of each clamping block, a top block is integrally formed at the lower end of each clamping block, a blind plate is arranged between each top block and the safety valve, an air hole is formed in each blind plate, a vent pipe is fixedly installed at one side, away from the safety valve, of each blind plate is detachably connected with the mounting plate in a sliding mode, and an elastic element is installed between the lower end of each clamping block and the mounting plate. The purpose is as follows: the problem of complex operation that current testboard structural defect leads to is solved.
Description
Technical Field
The invention belongs to the technical field of valve detection equipment, and particularly relates to a test bench for safety valve detection.
Background
The safety valve test bench is a device for simulating the working environment of the safety valve in an off-line manner, raising the internal pressure to the jump of the safety valve, displaying the jump pressure of the safety valve through a pressure gauge on the device, and verifying the jump pressure of the safety valve, namely the opening pressure and the sealing test pressure.
The existing test bench for safety valve detection is not perfect enough in clamping the safety valve, and during testing, the connecting mechanism needs to be clamped on a chuck through the chuck, then the safety valve is in threaded connection with the connecting mechanism, and then the safety valve is verified.
When the spiro union, in order to guarantee the leakproofness of junction, still need use the thread department of crude sticky tape to the relief valve to wrap, then carry out the spiro union, have complex operation's problem.
Disclosure of Invention
The purpose of the invention is: the test bench for detecting the safety valve is used for solving the problem of complex operation caused by structural defects of the existing test bench.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a relief valve detects uses testboard, is including detecting the platform and being used for the anchor clamps of centre gripping relief valve, it has seted up the through-hole on the detection platform, install gliding lifting joint from top to bottom in the through-hole, the intake pipe is connected to the lifting joint lower extreme, it has cassette, opposite side fixed mounting to detect the platform in through-hole one side fixed mounting has the sliding seat, install the Y shape positioning seat on the cassette, slidable mounting has the shape slip table of falling T that can the horizontal slip in the sliding seat, anchor clamps are installed on the shape slip table of falling T, it has a supporting bench to detect the platform and keep away from anchor clamps one end fixed mounting in the sliding seat, fixed mounting has flexible pneumatic cylinder on the supporting bench, the piston rod and the shape slip table fixed connection of falling T of flexible pneumatic cylinder, anchor clamps include the mounting panel, circumference is provided with a plurality of clamp groups on the mounting panel, clamp group includes with mounting panel integrated into one piece's articulated seat and articulate the clamp splice in articulated seat, the clamp splice is the L shape of falling, the clamp splice is the L shape, be the outer end integrated into one piece has articulated platform, be equipped with blind shaping between the blind plug and the blind plug is equipped with the blind flange connection between the mounting panel, the blind flange is located the blind flange connection between the blind flange and the mounting panel.
Further inject, set up the breach on the kicking block, the gyro wheel is installed to the breach internal rotation. By adopting the structure design, the rollers replace the top block to be in contact with the air outlet end of the blind plate and the safety valve, the clamping block can be prevented from being scratched to the end face of the air outlet end of the blind plate or the safety valve in the rotating process, and the practicability is high.
Further defined, the elastic element is a tower spring.
Further limiting, the mounting plate is integrally formed with a limiting plate on the outer side of the clamping block. Due to the structural design, the maximum outward-extending angle of the clamping block is limited through the limiting plate, and the clamping block can be prevented from being excessively outwardly-extending under the action of the elastic element.
Further defined, the clamping groups are four.
Further prescribe a limit, the cassette is provided with a mounting groove, one end of the Y-shaped positioning seat, which is far away from the fixture, is located in the mounting groove, one end of the Y-shaped positioning seat, which is far away from the fixture, is also integrally formed with a transverse block, the cassette is provided with a plurality of positioning grooves on the side wall of the mounting groove, and the transverse block is located in one of the positioning grooves. Such structural design can be according to the relief valve of different diameters size, adjusts the position of Y shape positioning seat for the lifting joint just in time inserts in the relief valve after rising, increases the testing range of testboard.
Further, the clamp is detachably arranged on the inverted T-shaped sliding table. Such structural design can choose not unidimensional anchor clamps for use to install to the relief valve of exit end diameter variation in size to carry out the centre gripping to the exit end, the cooperation is to the regulation of Y shape positioning seat position, makes the lifting joint rise the back, just in time inserts the relief valve in, increases the detection range of testboard.
Further, the upper end of the lifting joint is in a pagoda shape with a small upper part and a big lower part. Such structural design, the upper end is big end down's tower shape's lifting joint, can seal the relief valve of multiple inlet end diameter variation in size, increases the detection range of testboard.
Further limited, the upper end of the lifting joint is sleeved with a rubber sleeve with an opening in the middle. According to the structural design, the contact surface between the safety valve and the lifting joint is sealed through the rubber sleeve, so that the high-pressure gas can be prevented from leaking between the safety valve and the lifting joint when the safety valve is inflated through the lifting joint.
Further inject, install a plurality of guide posts on the mounting panel, the via hole has been seted up on the blind plate, the guide post is worn to establish in the via hole, still fixed mounting has the board of gripping on the blind plate. By the structural design, the guide columns are matched with the through holes in the blind plate, so that the blind plate is connected with the mounting plate in a sliding and detachable mode, the structure is simple, and the mounting is convenient; simultaneously, the accessible grips the board and installs and dismantle the blind plate, and it is more convenient to use.
The invention adopting the technical scheme has the following advantages:
1. the fixture capable of moving left and right, the Y-shaped positioning seat and the lifting joint capable of moving up and down are matched with each other, so that the safety valve is stably clamped, the operation process is simplified, the operation is simple, and the problem of complicated operation caused by structural defects of the conventional test bench is solved;
2. the air outlet end of the safety valve is clamped through mutual matching of the L-shaped clamping block, the jacking block and the arc-shaped block, so that the lifting joint rises, and when the safety valve is jacked and leaned, the Y-shaped positioning seat is matched to provide vertical supporting force for the safety valve, so that the problem of high-pressure gas leakage caused by a gap between the safety valve and the lifting joint is solved;
3. the side wall of the safety valve is supported by the Y-shaped positioning seat, and the safety valve can automatically return to a vertical state to a certain extent, namely the air inlet end of the safety valve is opposite to the lifting joint.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
fig. 1 is a first schematic structural diagram of an embodiment of a safety valve testing table according to the present invention;
FIG. 2 is a first schematic structural diagram of a fixture portion of an embodiment of a testing station for testing a safety valve according to the present invention;
FIG. 3 is a schematic cross-sectional view of a clamp portion of an embodiment of a test bed for testing a safety valve according to the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of a test bed for testing a safety valve according to the present invention, in which a blind plate is partially removed from a fixture;
FIG. 5 is a schematic structural diagram of a second exemplary embodiment of a testing platform for testing a safety valve according to the present invention;
FIG. 6 is a second schematic structural view of a fixture portion of an embodiment of a testing station for testing a safety valve according to the present invention;
FIG. 7 is a schematic structural diagram of a clamping block, an arc-shaped plate, a top block and a roller in an embodiment of a test bench for testing a safety valve according to the present invention;
FIG. 8 is a schematic structural diagram of a Y-shaped positioning seat portion in an embodiment of a testing table for testing a safety valve according to the present invention;
the main element symbols are as follows:
a detection platform 1, a through hole 11, a lifting joint 12,
A safety valve 2, an air outlet end 21,
The clamp 3, the mounting plate 30, the hinge seat 31, the clamping block 32, the hinge table 320, the arc block 33, the top block 34, the roller 35, the elastic element 36, the limiting plate 37,
The blind plate 38, the air hole 380, the air pipe 3801, the guide post 381, the holding plate 382,
A clamping seat 4, a Y-shaped positioning seat 40, a transverse block 41, a positioning groove 42,
A sliding seat 5, an inverted T-shaped sliding table 50,
A telescopic hydraulic cylinder 6 and a support table 60.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 8, the test bench for testing a safety valve of the present invention comprises a test bench 1 and a fixture 3 for holding a safety valve 2, wherein the test bench 1 is provided with a through hole 11, a lifting joint 12 capable of sliding up and down is installed in the through hole 11, the lower end of the lifting joint 12 is connected with an air inlet pipe, one side of the through hole 11 of the test bench 1 is fixedly provided with a clamping seat 4, the other side of the through hole 11 is fixedly provided with a sliding seat 5, the clamping seat 4 is provided with a Y-shaped positioning seat 40, the sliding seat 5 is internally provided with an inverted T-shaped sliding table 50 capable of sliding left and right in the sliding seat 5, the fixture 3 is installed on the inverted T-shaped sliding table 50, one end of the sliding seat 5, which is far away from the fixture 3, of the test bench 1 is fixedly provided with a support table 60, a telescopic hydraulic cylinder 6 is fixedly installed on the support table 60, and a piston rod of the telescopic hydraulic cylinder 6 is fixedly connected with the inverted T-shaped sliding table 50, anchor clamps 3 include mounting panel 30, circumference is provided with four and presss from both sides tight group on mounting panel 30, it includes articulated seat 31 with mounting panel 30 integrated into one piece and articulates the clamp splice 32 in articulated seat 31 to press from both sides tight group, clamp splice 32 is the shape of falling L, the outer end integrated into one piece that is the clamp splice 32 of falling L shape has articulated platform 320, clamp splice 32 is articulated with articulated seat 31 through articulated platform 320, clamp splice 32 front end integrated into one piece has arc piece 33, clamp splice 32 lower extreme integrated into one piece has kicking block 34, be equipped with blind plate 38 between kicking block 34 and the relief valve 2, air vent 380 has been seted up on the blind plate 38, blind plate 38 is far away from relief valve 2 one side and is located fixed mounting in air vent 380 and has a breather pipe 3801, blind plate 38 and mounting panel 30 sliding detachable connection, mounting panel 30 installs elastic element 36 between clamp splice 32 lower extreme and mounting panel 30, elastic element 36 is the tower spring.
The top block 34 is provided with a gap, and a roller 35 is rotatably arranged in the gap. The idler wheel 35 replaces the top block 34 to be in contact with the blind plate 38 and the air outlet end 21 of the safety valve 2, the clamping block 32 can be prevented from scratching the blind plate 38 or the end face of the air outlet end 21 of the safety valve 2 in the rotating process, and the practicability is high.
The mounting plate 30 is integrally formed with a stopper plate 37 outside the clamp block 32. The limiting plate 37 limits the maximum outward-expanding angle of the clamp block 32, so that the clamp block 32 is prevented from being excessively expanded under the action of the elastic element 36.
The mounting groove has been seted up on cassette 4, and Y shape positioning seat 40 keeps away from 3 one ends of anchor clamps and is located the mounting groove, and Y shape positioning seat 40 keeps away from 3 one ends of anchor clamps and still integrated into one piece have horizontal piece 41, and cassette 4 has seted up a plurality of constant head tanks 42 in the mounting groove lateral wall, and horizontal piece 41 is located one of them constant head tank 42. The position of the Y-shaped positioning seat 40 can be adjusted according to the safety valves 2 with different diameters, so that the lifting joint 12 is just inserted into the safety valves 2 after being lifted, and the detection range of the test bench is enlarged.
The jig 3 is detachably mounted on the inverted T-shaped slide table 50. Can choose not unidimensional anchor clamps 3 for use to install to the different relief valve 2 of exit end 21 diameter size to carry out the centre gripping to exit end 12, the cooperation is to the regulation of Y shape positioning seat 40 position, makes lifting joint 12 rise the back, just in time inserts the detection range of relief valve 2 in, increase testboard.
The upper end of the lifting joint 12 is in a pagoda shape with a small upper part and a big lower part. The upper end of the lifting joint 12 is in a pagoda shape with a small upper part and a large lower part, and can seal safety valves 2 with various air inlet end diameters and different sizes, so that the detection range of the test bench is enlarged.
The upper end of the lifting joint 12 is sleeved with a rubber sleeve with an opening in the middle. The contact surface between the safety valve 2 and the lifting joint 12 is sealed by a rubber sleeve, so that high-pressure gas can be prevented from leaking between the safety valve 2 and the lifting joint 12 when the safety valve 2 is inflated through the lifting joint 12.
The mounting plate 30 is provided with a plurality of guide posts 381, the blind plate 38 is provided with via holes, the guide posts 381 penetrate through the via holes, and the blind plate 38 is further fixedly provided with a holding plate 382. The guide post 381 is matched with the through hole on the blind plate 38, so that the blind plate 38 is connected with the mounting plate 30 in a sliding and detachable mode, the structure is simple, and the mounting is convenient; meanwhile, the blind plate 38 can be mounted and dismounted through the holding plate 382, and the use is more convenient.
In this embodiment, when the device is used, as shown in fig. 1, the top end of the lifting joint 12 is located below the table top of the detection table 1, the telescopic hydraulic cylinder 6 is in a contracted state, at this time, the safety valve 2 is held by hand, the air inlet end of the safety valve 2 faces downward, the air outlet end 21 faces the clamp 3, and then the safety valve 2 is moved towards the clamp 3 until the edge of the air outlet end 21 of the safety valve 2 bypasses the arc-shaped block 33 and abuts against the roller 35;
starting the telescopic hydraulic cylinder 6, enabling the piston rod to drive the inverted T-shaped sliding table 50 and the clamp 3 to move towards the Y-shaped positioning seat 40, in the process, the roller 35 pushes the safety valve 2 to move towards the Y-shaped positioning seat 40 until the side face of the safety valve 2 abuts against the Y-shaped positioning seat 40, the piston rod continues to extend, the Y-shaped positioning seat 40 applies reverse acting force to the roller 35 through the safety valve 2, the clamping block 32 rotates around the hinging table 320, the arc-shaped hole 33 moves inwards, the air outlet end 21 of the safety valve 2 is clamped, meanwhile, the Y-shaped positioning seat 40 forms reverse supporting force to the safety valve 2, the safety valve 2 automatically returns to a vertical state, namely the air inlet end of the safety valve 2 is opposite to the lifting joint 12, then the lifting joint 12 is lifted, the lifting joint 12 abuts against the air inlet end of the safety valve 2 (as shown in fig. 2), and at the moment, the safety valve 2 can be inflated through the air pipe and the lifting joint 11 to detect the tripping pressure;
when the safety valve 2 is suspected to leak, the lifting joint 11 and the inverted T-shaped sliding table 50 reset and do not extrude the safety valve 2 any more, at the moment, the clamping block 32 is outwards expanded under the action of the elastic element 36, the safety valve 2 is taken down, then the blind plate is arranged on the mounting plate 30, so that the blind plate 38 is propped against the roller 35, the steps are repeated, the clamping and positioning are carried out through the clamp 3 and the Y-shaped positioning seat 40, the free end of the vent pipe 3801 is placed in water, at the moment, the safety valve 2 can be inflated through the air inlet pipe and the lifting joint 11, the jump pressure is detected, when the safety valve 2 leaks slightly, high-pressure air in the air inlet pipe flows out through the lifting joint 11, the outlet end 21 and the vent pipe 3801, and a small amount of air bubbles are formed in the water,
after the detection is finished, the lifting joint 11 and the inverted T-shaped sliding table 50 reset, the safety valve 2 is not extruded any more, at the moment, the clamping block 32 is expanded under the action of the elastic element 36, the safety valve 2 is taken down, and the new safety valve 2 is replaced.
The safety valve detection test bench provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a relief valve detects uses testboard which characterized in that: including examining test table (1) and anchor clamps (3) that are used for centre gripping relief valve (2), examine and seted up through-hole (11) on test table (1), install gliding lifting joint (12) from top to bottom in through-hole (11), the intake pipe is connected to lifting joint (12) lower extreme, examine test table (1) and have cassette (4), opposite side fixed mounting in through-hole (11) one side fixed mounting have sliding seat (5), install Y shape positioning seat (40) on cassette (4), slidable mounting has can be in sliding seat (5) horizontal slip's falling T shape slip table (50), anchor clamps (3) are installed on falling T shape slip table (50), examine test table (1) and keep away from anchor clamps (3) one end fixed mounting in sliding seat (5) and have brace table (60), fixed mounting has flexible hydraulic cylinder (6) on brace table (60), the piston rod and the slip table (50) fixed connection that falls T shape of flexible hydraulic cylinder (6), anchor clamps (3) include mounting panel (30), circumference is provided with a plurality of articulated groups, articulated hydraulic cylinder (30) and clamp block (31) and the L clamp block (31) that presss from both sides the shaping seat (31), be the shape of falling L the outer end integrated into one piece of clamp splice (32) has articulated platform (320), clamp splice (32) are articulated through articulated platform (320) and articulated seat (31), clamp splice (32) front end integrated into one piece has arc piece (33), clamp splice (32) lower extreme integrated into one piece has kicking block (34), be equipped with between kicking block (34) and relief valve (2) blind plate (38), air hole (380) have been seted up on blind plate (38), safety valve (2) one side is kept away from in air hole (380) fixed mounting in blind plate (38) have breather pipe (3801), blind plate (38) and mounting panel (30) slip detachable connection, mounting panel (30) install elastic element (36) between clamp splice (32) lower extreme and mounting panel (30).
2. The safety valve testing table according to claim 1, wherein: a gap is formed in the top block (34), and a roller (35) is rotatably mounted in the gap.
3. The safety valve testing table according to claim 1, wherein: the elastic element (36) is a tower spring.
4. The testing table for testing safety valves according to claim 1, wherein: the mounting plate (30) is integrally formed with a limiting plate (37) on the outer side of the clamping block (32).
5. The safety valve testing table according to claim 1, wherein: the number of the clamping groups is four.
6. The safety valve testing table according to claim 1, wherein: the fixture is characterized in that the clamping seat (4) is provided with a mounting groove, one end, away from the fixture (3), of the Y-shaped positioning seat (40) is located in the mounting groove, one end, away from the fixture (3), of the Y-shaped positioning seat (40) is further integrally formed with a transverse block (41), the clamping seat (4) is provided with a plurality of positioning grooves (42) in the side wall of the mounting groove, and the transverse block (41) is located in one of the positioning grooves (42).
7. The testing table for testing safety valves according to claim 6, wherein: the clamp (3) is detachably arranged on the inverted T-shaped sliding table (50).
8. The safety valve testing table according to claim 1, wherein: the upper end of the lifting joint (12) is in a pagoda shape with a small upper part and a big lower part.
9. The safety valve testing table according to claim 8, wherein: the upper end of the lifting joint (12) is sleeved with a rubber sleeve with an opening in the middle.
10. The safety valve testing table according to claim 1, wherein: install a plurality of guide posts (381) on mounting panel (30), the via hole has been seted up on blind plate (38), guide post (381) wear to establish in the via hole, still fixed mounting has gripping board (382) on blind plate (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387251.1A CN112611556B (en) | 2020-12-02 | 2020-12-02 | Test bench for safety valve detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387251.1A CN112611556B (en) | 2020-12-02 | 2020-12-02 | Test bench for safety valve detection |
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| Publication Number | Publication Date |
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| CN112611556A CN112611556A (en) | 2021-04-06 |
| CN112611556B true CN112611556B (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011387251.1A Active CN112611556B (en) | 2020-12-02 | 2020-12-02 | Test bench for safety valve detection |
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| CN (1) | CN112611556B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252256A (en) * | 2021-12-30 | 2022-03-29 | 江苏金陵安全技术有限公司 | Test device and method for detecting thermal-state mechanical property of safety valve |
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| JPH0875611A (en) * | 1994-09-07 | 1996-03-22 | Sakane Techno Kk | Tensing apparatus of safety valve |
| CN103278314A (en) * | 2013-04-28 | 2013-09-04 | 江南大学 | Safety valve check bench |
| CN105643492A (en) * | 2016-03-29 | 2016-06-08 | 江苏省特种设备安全监督检验研究院南通分院 | Safety valve hydraulic clamping mounting and dismounting platform and working method thereof |
| CN105698728A (en) * | 2016-03-31 | 2016-06-22 | 合肥通用机械研究院 | Safety valve detecting tool |
| CN205415366U (en) * | 2016-03-29 | 2016-08-03 | 江苏省特种设备安全监督检验研究院南通分院 | Relief valve hydraulic tightening dismouting platform |
| EP3290897A1 (en) * | 2016-09-05 | 2018-03-07 | Safran Aero Boosters SA | Turbomachine test bench with active noise control |
| CN109269799A (en) * | 2018-12-04 | 2019-01-25 | 江苏盐高阀门制造有限公司 | Testboard is used in a kind of detection of safety valve |
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2020
- 2020-12-02 CN CN202011387251.1A patent/CN112611556B/en active Active
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|---|---|---|---|---|
| JPH0875611A (en) * | 1994-09-07 | 1996-03-22 | Sakane Techno Kk | Tensing apparatus of safety valve |
| CN103278314A (en) * | 2013-04-28 | 2013-09-04 | 江南大学 | Safety valve check bench |
| CN105643492A (en) * | 2016-03-29 | 2016-06-08 | 江苏省特种设备安全监督检验研究院南通分院 | Safety valve hydraulic clamping mounting and dismounting platform and working method thereof |
| CN205415366U (en) * | 2016-03-29 | 2016-08-03 | 江苏省特种设备安全监督检验研究院南通分院 | Relief valve hydraulic tightening dismouting platform |
| CN105698728A (en) * | 2016-03-31 | 2016-06-22 | 合肥通用机械研究院 | Safety valve detecting tool |
| EP3290897A1 (en) * | 2016-09-05 | 2018-03-07 | Safran Aero Boosters SA | Turbomachine test bench with active noise control |
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| 小型安全阀便携离线校验设备研制;陈松生;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20160715(第7期);全文 * |
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