CN116337347A - New energy liquid hydrogen valve tightness test equipment and test method - Google Patents
New energy liquid hydrogen valve tightness test equipment and test method Download PDFInfo
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- CN116337347A CN116337347A CN202310235964.3A CN202310235964A CN116337347A CN 116337347 A CN116337347 A CN 116337347A CN 202310235964 A CN202310235964 A CN 202310235964A CN 116337347 A CN116337347 A CN 116337347A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 33
- 239000001257 hydrogen Substances 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 title claims abstract description 24
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005844 autocatalytic reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses new energy liquid hydrogen valve tightness test equipment and a test method, and relates to the technical field of valve test equipment. The invention comprises a detection box and a valve body, wherein a placing plate is fixedly connected to the inner wall of one side of the detection box, the valve body is placed at the top of the placing plate, a transverse plate is fixedly connected to the top of the detection box, and a clamping assembly for clamping the valve body is arranged at the bottom of the transverse plate. According to the invention, the driving component is arranged to drive the valve body to transversely move, so that the valve body is soaked in water, the detection process is finished, the placing component can temporarily place the valve body, no other work is required by workers, the workload of workers is reduced, meanwhile, the clamping component can clamp the two sides of the valve body and move the valve body, the detection process is faster, the working efficiency is improved, and the use is convenient.
Description
Technical Field
The invention belongs to the technical field of valve test equipment, and particularly relates to new energy liquid hydrogen valve tightness test equipment and a new energy liquid hydrogen valve tightness test method.
Background
Liquid hydrogen is a mixture of para-hydrogen and ortho-hydrogen. Para-hydrogen has the same chemical properties as ortho-hydrogen, and is different in physical properties, and is represented by lower ground state energy than ortho-hydrogen. An equilibrium mixture of normal and para-hydrogens at various temperatures is referred to as equilibrium hydrogen. The equilibrium concentration of the para-hydrogen and para-hydrogen is less than 273k and changes with the temperature. The equilibrium mixture of normal and para-hydrogens at temperatures above 273k is referred to as normal hydrogen and consists of 75% normal hydrogen and 25% para-hydrogen. During liquefaction and storage of hydrogen, due to the autocatalysis, normal hydrogen is converted into para-hydrogen and gives off heat, so that evaporation loss is generated in liquid hydrogen, and therefore the content of para-hydrogen in the liquid hydrogen product is required to be at least 95%, namely, the normal hydrogen is required to be substantially catalytically converted into para-hydrogen during liquefaction.
The valve is needed to be used when liquid hydrogen is conveyed, and the sealing performance of the valve needs to be detected before the valve is put into use, and the existing detection mechanism has the following defects:
1. the valve detection needs to be carried out manually by workers, so that the detection efficiency is too low to carry out long-time work;
2. in the detection process, the valve is damaged to cause air leakage, but very small leakage is difficult to find due to manual operation.
Disclosure of Invention
The invention aims to provide new energy liquid hydrogen valve tightness test equipment and a new energy liquid hydrogen valve tightness test method, wherein a driving assembly is arranged to drive a valve body to transversely move so as to be soaked into water, so that a detection process is finished, a placing assembly can temporarily place the valve body without other work of workers, the workload of workers is reduced, meanwhile, a clamping assembly can clamp two sides of the valve body and move the valve body, the detection process is faster, the working efficiency is improved, the use is convenient, and the existing technical problems are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
new forms of energy liquid hydrogen valve tightness test equipment includes: the device comprises a detection box and a valve body, wherein a placement plate is fixedly connected to the inner wall of one side of the detection box, the valve body is placed at the top of the placement plate, a transverse plate is fixedly connected to the top of the detection box, and a clamping assembly for clamping the valve body is arranged at the bottom of the transverse plate;
the inside of the placing plate is provided with a mounting groove, and a placing component for placing the valve body is arranged in the mounting groove;
one side of the detection box is provided with a driving component for driving the valve body to move.
Optionally, the clamping component includes sliding connection at the screw thread piece of diaphragm bottom, the inside slip of screw thread piece runs through two first slide bars that have the symmetry to set up, two the bottom fixedly connected with of first slide bar is same connecting block, the top fixedly connected with first stopper of first slide bar, fixedly connected with is the same extension spring between first stopper and the screw thread piece, the extension spring cover is established on first slide bar.
Optionally, the inside slip of connecting block is run through and is two second slide bars that are central symmetry, two the equal fixedly connected with of one end of second slide bar presss from both sides tight piece, two the equal fixedly connected with second stopper of the other end of second slide bar, fixedly connected with same second spring between second stopper and the connecting block, the second spring cover is established on the second slide bar.
Optionally, two the tight piece of clamp is all fixedly connected with sealing gasket in one side that is close to each other, sealing gasket and valve body cooperation use, the breach has been seted up at the top of pressing from both sides tight piece, breach and second stopper cooperation use.
Optionally, place the subassembly and including the slip promotion piece that runs through the mounting groove top, the bottom fixedly connected with sliding plate of promotion piece, two first springs that fixedly connected with symmetry set up between the bottom of sliding plate and the bottom inner wall of mounting groove, the top fixedly connected with symmetry of sliding plate sets up two rectangle pieces, the top fixedly connected with triangle piece of rectangle piece, two the triangle piece slides and runs through the mounting groove and extends to the top of placing the board.
Optionally, an arc-shaped groove matched with the valve body for use is formed in one side of the pushing block.
Optionally, the drive assembly includes the servo motor of fixed connection in detection case one side, servo motor's output shaft rotates and runs through the detection case and fixedly connected with reciprocating lead screw, the screw thread groove has been seted up to the inside of screw thread piece, reciprocating lead screw thread runs through the screw thread groove.
Optionally, the equal fixedly connected with of both sides inner wall of detection case is fixed the curb plate, place two second swash plates that the top fixedly connected with symmetry set up of board, second swash plate and fixed curb plate fixed connection are connected, place the first swash plate of one side fixedly connected with of board, the bottom of first swash plate flushes with the bottom of fixed curb plate.
The new energy liquid hydrogen valve tightness test method specifically comprises the following steps:
s1, placing a valve body to be detected on a placing plate and enabling the valve body to be located on one side of a pushing block, starting a servo motor at the moment, enabling an output shaft of the servo motor to drive a reciprocating screw rod to rotate, enabling the reciprocating screw rod to drive a threaded block to transversely move, enabling a connecting block to transversely move, enabling the connecting block to drive two clamping blocks to transversely move, enabling the two clamping blocks to mutually approach at the moment due to the fact that the two clamping blocks are in contact with inclined planes of a second inclined plate, gradually clamping two ends of the valve body, avoiding water entering the interior of the valve body, enabling the interior of a detection box to be full of water at the moment, and enabling a water level line to be flush with the surface of the placing plate;
s2, the two clamping blocks clamp the valve body and drive the valve body to move forwards, at the moment, the clamping blocks are arranged between the two fixed side plates, the loosening condition cannot occur, meanwhile, the clamping blocks push the two triangular blocks to move vertically downwards, the triangular blocks drive the rectangular blocks to move vertically downwards, the rectangular blocks drive the sliding plates to move vertically downwards and squeeze the first springs, the sliding plates drive the pushing blocks to move vertically downwards, and at the moment, the clamping blocks can drive the valve body to move forwards continuously;
s3, when the valve body moves to between the two fixed side plates, the bottom of the clamping block is not contacted with the placing plate any more, the connecting block vertically moves downwards under the action of the tension force of the tension spring, the connecting block drives the first sliding rod and the first limiting block to vertically downwards and drive the valve body to vertically downwards move so as to be soaked into water, meanwhile, the arrangement of the first inclined plate is convenient for the device to downwards move, if the device has leakage, air bubbles can be generated on the water surface, whether the device is qualified or not can be judged by the air bubbles, after the valve body moves to one end of the detection box, the valve body can be reset again until the two clamping blocks loosen the valve body, and then the new valve body can be replaced to detect, and the valve body is reciprocated.
The embodiment of the invention has the following beneficial effects:
the valve body can be driven to transversely move through the driving component, so that the valve body can be soaked into water, the detection process is finished, the valve body can be temporarily placed by the placing component, other work of workers is not needed, the workload of the workers is reduced, meanwhile, the two sides of the valve body can be clamped by the clamping component, the valve body is moved, the detection process is faster, the working efficiency is improved, and the use is convenient.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic three-dimensional structure of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic three-dimensional structure of a detection box according to an embodiment of the present invention;
FIG. 4 is a schematic three-dimensional structure of a placement plate according to an embodiment of the present invention;
FIG. 5 is a schematic three-dimensional structure of a screw block according to an embodiment of the present invention;
fig. 6 is a schematic three-dimensional structure of a screw block and a connection block according to an embodiment of the present invention.
In the figure: 1. a detection box; 2. fixing the side plates; 3. a first swash plate; 4. a second swash plate; 5. a valve body; 6. a screw block; 7. a servo motor; 8. a reciprocating screw rod; 9. a clamping block; 10. placing a plate; 11. triangular blocks; 12. rectangular blocks; 13. a sliding plate; 14. a first spring; 15. a mounting groove; 16. an arc-shaped groove; 17. a pushing block; 18. a sealing gasket; 19. a tension spring; 20. a first limiting block; 21. a first slide bar; 22. a second spring; 23. a second limiting block; 24. a notch; 25. a second slide bar; 26. a connecting block; 27. a cross plate; 28. a thread groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "middle," "length," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In order to keep the following description of the embodiments of the present invention clear and concise, the detailed description of known functions and known components thereof have been omitted.
Example 1
Referring to fig. 1-2, in this embodiment, a new energy liquid hydrogen valve tightness test device is provided, which includes a test box 1 and a valve body 5, wherein an inner wall of one side of the test box 1 is fixedly connected with a placing plate 10, the valve body 5 is placed on top of the placing plate 10, a transverse plate 27 is fixedly connected to top of the test box 1, and a clamping assembly for clamping the valve body 5 is arranged at bottom of the transverse plate 27;
the inside of the placing plate 10 is provided with a mounting groove 15, and a placing component for placing the valve body 5 is arranged in the mounting groove 15;
one side of the detection box 1 is provided with a driving component for driving the valve body 5 to move.
In one aspect of this embodiment, as shown in fig. 1-2, the clamping assembly includes a threaded block 6 slidably connected to the bottom of a transverse plate 27, two first sliding rods 21 symmetrically disposed are slidably inserted through the threaded block 6, the bottoms of the two first sliding rods 21 are fixedly connected with the same connecting block 26, the top of the first sliding rod 21 is fixedly connected with a first limiting block 20, the same tension spring 19 is fixedly connected between the first limiting block 20 and the threaded block 6, and the tension spring 19 is sleeved on the first sliding rod 21. Optionally, the inside slip of connecting block 26 runs through and is two second slide bars 25 that are central symmetry, and the equal fixedly connected with of one end of two second slide bars 25 presss from both sides tight piece 9, and the equal fixedly connected with second stopper 23 of the other end of two second slide bars 25, fixedly connected with same second spring 22 between second stopper 23 and the connecting block 26, second spring 22 cover is established on second slide bar 25, and this application is not limited to this.
When the valve body 5 moves between the two fixed side plates 2, as the bottom of the clamping block 9 is not contacted with the placing plate 10 any more, the connecting block 26 vertically moves downwards under the action of the tension force of the tension spring 19, the connecting block 26 drives the first sliding rod 21 and the first limiting block 20 to vertically downwards and drive the valve body 5 to vertically downwards move so as to be soaked in water, meanwhile, the arrangement of the first inclined plate 3 is convenient for the device to downwards move, at the moment, if the device has leakage, air bubbles can be generated on the water surface, thereby judging whether the device is qualified or not, and when the valve body 5 moves to one end of the detection box 1, the valve body can be reset again until the two clamping blocks 9 can be replaced for detecting after the valve body 5 is released, and the valve body 5 can be repeatedly replaced.
In one aspect of this embodiment, as shown in fig. 1-3, a sealing pad 18 is fixedly connected to one side of each of the two clamping blocks 9, where the sealing pad 18 is matched with the valve body 5, a notch 24 is formed at the top of the clamping block 9, and the notch 24 is matched with the second limiting block 23.
In another aspect of this embodiment, as shown in fig. 1-3, the placement component includes a pushing block 17 that slides through the top of the mounting groove 15, the bottom of the pushing block 17 is fixedly connected with a sliding plate 13, two first springs 14 that are symmetrically disposed are fixedly connected between the bottom of the sliding plate 13 and the bottom inner wall of the mounting groove 15, two rectangular blocks 12 that are symmetrically disposed are fixedly connected to the top of the sliding plate 13, a triangular block 11 is fixedly connected to the top of the rectangular block 12, and the two triangular blocks 11 slide through the mounting groove 15 and extend to the top of the placement plate 10.
In other aspects of this embodiment, as shown in FIGS. 1-4, one side of the pusher block 17 is provided with an arcuate slot 16 for use with the valve body 5.
Example two
Improvement on the basis of the first embodiment: referring to fig. 1-3, the driving assembly comprises a servo motor 7 fixedly connected to one side of the detection box 1, an output shaft of the servo motor 7 rotates to penetrate through the detection box 1 and is fixedly connected with a reciprocating screw rod 8, a threaded groove 28 is formed in the threaded block 6, threads of the reciprocating screw rod 8 penetrate through the threaded groove 28, the servo motor 7 is started at the moment, the output shaft of the servo motor 7 drives the reciprocating screw rod 8 to rotate, the reciprocating screw rod 8 drives the threaded block 6 to transversely move, the threaded block 6 drives a connecting block 26 to transversely move, and the connecting block 26 drives two clamping blocks 9 to transversely move.
Example III
Improvement on the basis of the first embodiment: referring to fig. 5-6, the inner walls of two sides of the detection box 1 are fixedly connected with the fixed side plates 2, the top of the placement plate 10 is fixedly connected with two second inclined plates 4 which are symmetrically arranged, the second inclined plates 4 are fixedly connected with the fixed side plates 2, one side of the placement plate 10 is fixedly connected with the first inclined plate 3, the bottom of the first inclined plate 3 is flush with the bottom of the fixed side plates 2, and because the two clamping blocks 9 are in contact with the inclined surfaces of the second inclined plates 4, the two clamping blocks 9 are mutually close at the moment and gradually clamp the two ends of the valve body 5, moisture entering into the valve body 5 is avoided, the inner part of the detection box 1 is filled with water at the moment, and a water level line is flush with the surface of the placement plate 10.
The new energy liquid hydrogen valve tightness test method specifically comprises the following steps:
s1, placing a valve body 5 to be detected on a placing plate 10 and enabling the valve body 5 to be located on one side of a pushing block 17, starting a servo motor 7 at the moment, enabling an output shaft of the servo motor 7 to drive a reciprocating screw rod 8 to rotate, enabling the reciprocating screw rod 8 to drive a threaded block 6 to transversely move, enabling the threaded block 6 to drive a connecting block 26 to transversely move, enabling the connecting block 26 to drive two clamping blocks 9 to transversely move, enabling the two clamping blocks 9 to be close to each other at the moment and gradually clamping two ends of the valve body 5, avoiding water entering into the valve body 5, enabling the interior of a detection box 1 to be full of water at the moment, and enabling a water level line to be flush with the surface of the placing plate 10 due to the fact that the two clamping blocks 9 are in contact with an inclined plane of a second inclined plate 4;
s2, two clamping blocks 9 clamp the valve body 5 and drive the valve body 5 to move forwards, at the moment, the clamping blocks 9 are arranged between the two fixed side plates 2, the loosening condition cannot occur, meanwhile, the clamping blocks 9 push the two triangular blocks 11 to move vertically downwards, the triangular blocks 11 drive the rectangular blocks 12 to move vertically downwards, the rectangular blocks 12 drive the sliding plates 13 to move vertically downwards and squeeze the first springs 14, the sliding plates 13 drive the pushing blocks 17 to move vertically downwards, and at the moment, the clamping blocks 9 can drive the valve body 5 to move forwards continuously;
s3, when the valve body 5 moves between the two fixed side plates 2, as the bottom of the clamping block 9 is not contacted with the placing plate 10 any more, the connecting block 26 vertically moves downwards under the action of the tension force of the tension spring 19, the connecting block 26 drives the first sliding rod 21 and the first limiting block 20 to vertically downwards and drive the valve body 5 to vertically downwards move so as to be soaked in water, meanwhile, the arrangement of the first inclined plate 3 is convenient for the device to downwards move, at the moment, if the device has leakage, air bubbles can be generated on the water surface, thereby judging whether the device is qualified or not, and after the valve body 5 moves to one end of the detection box 1, the valve body can be reset again until the two clamping blocks 9 loosen the valve body 5, and then the new valve body 5 can be replaced for detection, and the device is reciprocated.
It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are merely for distinguishing features, and there is no actual order or sense of orientation, and the present application is not limited thereto.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. New forms of energy liquid hydrogen valve tightness test equipment, characterized by, include:
the automatic detection device comprises a detection box (1) and a valve body (5), wherein a placement plate (10) is fixedly connected to the inner wall of one side of the detection box (1), the valve body (5) is placed at the top of the placement plate (10), a transverse plate (27) is fixedly connected to the top of the detection box (1), and a clamping assembly used for clamping the valve body (5) is arranged at the bottom of the transverse plate (27);
the inside of the placing plate (10) is provided with a mounting groove (15), and a placing component for placing the valve body (5) is arranged in the mounting groove (15);
one side of the detection box (1) is provided with a driving component for driving the valve body (5) to move.
2. The new energy liquid hydrogen valve tightness test device according to claim 1, wherein the clamping assembly comprises a threaded block (6) which is slidably connected to the bottom of a transverse plate (27), two first sliding rods (21) which are symmetrically arranged are slidably penetrated in the threaded block (6), the bottoms of the two first sliding rods (21) are fixedly connected with the same connecting block (26), the top of each first sliding rod (21) is fixedly connected with a first limiting block (20), the first limiting block (20) is fixedly connected with the same tension spring (19) between the corresponding first limiting block (20) and the corresponding threaded block (6), and the tension spring (19) is sleeved on the corresponding first sliding rod (21).
3. The new energy liquid hydrogen valve tightness test device according to claim 2, wherein two second slide bars (25) with central symmetry are penetrated in the connecting block (26) in a sliding way, one ends of the two second slide bars (25) are fixedly connected with clamping blocks (9), the other ends of the two second slide bars (25) are fixedly connected with second limiting blocks (23), the same second spring (22) is fixedly connected between the second limiting blocks (23) and the connecting block (26), and the second springs (22) are sleeved on the second slide bars (25).
4. A new energy liquid hydrogen valve tightness test device as claimed in claim 3, characterized in that two clamping blocks (9) are fixedly connected with sealing gaskets (18) on one sides close to each other, the sealing gaskets (18) are matched with the valve body (5), a notch (24) is formed in the top of each clamping block (9), and the notch (24) is matched with a second limiting block (23).
5. The new energy liquid hydrogen valve tightness test device according to claim 1, wherein the placement component comprises a pushing block (17) penetrating through the top of the installation groove (15) in a sliding mode, a sliding plate (13) is fixedly connected to the bottom of the pushing block (17), two first springs (14) which are symmetrically arranged are fixedly connected between the bottom of the sliding plate (13) and the inner wall of the bottom of the installation groove (15), two rectangular blocks (12) which are symmetrically arranged are fixedly connected to the top of the sliding plate (13), triangular blocks (11) are fixedly connected to the top of the rectangular blocks (12), and the two triangular blocks (11) penetrate through the installation groove (15) in a sliding mode and extend to the top of the placement plate (10).
6. The new energy liquid hydrogen valve tightness test device as claimed in claim 5, wherein an arc-shaped groove (16) matched with the valve body (5) is formed on one side of the pushing block (17).
7. The new energy liquid hydrogen valve tightness test device according to claim 2, wherein the driving assembly comprises a servo motor (7) fixedly connected to one side of the detection box (1), an output shaft of the servo motor (7) rotates to penetrate through the detection box (1) and is fixedly connected with a reciprocating screw rod (8), a thread groove (28) is formed in the thread block (6), and threads of the reciprocating screw rod (8) penetrate through the thread groove (28).
8. The new energy liquid hydrogen valve tightness test device according to claim 1, wherein the inner walls of two sides of the detection box (1) are fixedly connected with fixed side plates (2), the top of the placement plate (10) is fixedly connected with two second inclined plates (4) which are symmetrically arranged, the second inclined plates (4) are fixedly connected with the fixed side plates (2), one side of the placement plate (10) is fixedly connected with a first inclined plate (3), and the bottom of the first inclined plate (3) is flush with the bottom of the fixed side plates (2).
9. The new energy liquid hydrogen valve tightness test method as claimed in any one of claims 1 to 8, comprising the following steps:
s1, placing a valve body (5) to be detected on a placing plate (10) and enabling the valve body to be located on one side of a pushing block (17), starting a servo motor (7) at the moment, enabling an output shaft of the servo motor (7) to drive a reciprocating screw rod (8) to rotate, enabling the reciprocating screw rod (8) to drive a threaded block (6) to transversely move, enabling a connecting block (26) to transversely move by the threaded block (6), enabling the connecting block (26) to drive two clamping blocks (9) to transversely move, enabling the two clamping blocks (9) to be in contact with an inclined plane of a second inclined plate (4), enabling the two clamping blocks (9) to be close to each other, gradually clamping two ends of the valve body (5), avoiding moisture entering into the valve body (5), enabling the inside of a detection box (1) to be full of water at the moment, and enabling a water level line to be flush with the surface of the placing plate (10);
s2, two clamping blocks (9) clamp the valve body (5) and drive the valve body (5) to move forwards, at the moment, the clamping blocks (9) are arranged between the two fixed side plates (2) and cannot be loosened, meanwhile, the clamping blocks (9) push the two triangular blocks (11) to vertically move downwards, the triangular blocks (11) drive the rectangular blocks (12) to vertically move downwards, the rectangular blocks (12) drive the sliding plates (13) to vertically move downwards and squeeze the first springs (14), the sliding plates (13) drive the pushing blocks (17) to vertically move downwards, and at the moment, the clamping blocks (9) can drive the valve body (5) to continuously move forwards;
s3, when the valve body (5) moves to the position between the two fixed side plates (2), the bottom of the clamping block (9) is not contacted with the placing plate (10), the connecting block (26) vertically moves downwards under the action of the tension force of the tension spring (19), the connecting block (26) drives the first sliding rod (21) and the first limiting block (20) to vertically downwards move and drive the valve body (5) to be soaked in water, meanwhile, the arrangement of the first inclined plate (3) is convenient for the device to move downwards, air bubbles can be generated on the water surface if the device leaks, whether the device is qualified or not can be judged by the air bubbles, after the valve body (5) moves to one end of the detection box (1), the valve body (5) can be reset again until the two clamping blocks (9) are loosened, and then the new valve body (5) can be replaced for detection, and the device is reciprocated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310235964.3A CN116337347A (en) | 2023-03-13 | 2023-03-13 | New energy liquid hydrogen valve tightness test equipment and test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310235964.3A CN116337347A (en) | 2023-03-13 | 2023-03-13 | New energy liquid hydrogen valve tightness test equipment and test method |
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| CN116337347A true CN116337347A (en) | 2023-06-27 |
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|---|---|---|---|
| CN202310235964.3A Pending CN116337347A (en) | 2023-03-13 | 2023-03-13 | New energy liquid hydrogen valve tightness test equipment and test method |
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| CN (1) | CN116337347A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168706A (en) * | 2023-11-02 | 2023-12-05 | 江苏伟格流体科技有限公司 | Valve sealing performance test equipment |
| CN117168707A (en) * | 2023-11-02 | 2023-12-05 | 南通市红星空压机配件制造有限公司 | Tightness detection device is used in valve production |
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2023
- 2023-03-13 CN CN202310235964.3A patent/CN116337347A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168706A (en) * | 2023-11-02 | 2023-12-05 | 江苏伟格流体科技有限公司 | Valve sealing performance test equipment |
| CN117168707A (en) * | 2023-11-02 | 2023-12-05 | 南通市红星空压机配件制造有限公司 | Tightness detection device is used in valve production |
| CN117168706B (en) * | 2023-11-02 | 2024-01-26 | 江苏伟格流体科技有限公司 | Valve sealing performance test equipment |
| CN117168707B (en) * | 2023-11-02 | 2024-04-05 | 南通市红星空压机配件制造有限公司 | Tightness detection device is used in valve production |
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