CN218098209U - Valve gas tightness detection device - Google Patents
Valve gas tightness detection device Download PDFInfo
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- CN218098209U CN218098209U CN202222144167.8U CN202222144167U CN218098209U CN 218098209 U CN218098209 U CN 218098209U CN 202222144167 U CN202222144167 U CN 202222144167U CN 218098209 U CN218098209 U CN 218098209U
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- 238000001514 detection method Methods 0.000 title claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 7
- 241001330002 Bambuseae Species 0.000 claims abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 7
- 239000011425 bamboo Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012031 short term test Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to a valve gas tightness detection device, including detecting the water tank to and install in detecting the water tank and can the upper and lower testing platform who removes, the last pressurization flange section of thick bamboo of installing of testing platform, the bottom of a pressurization flange section of thick bamboo is provided with the gas pocket, and testing platform's top is provided with the depression bar that can move up and down. The utility model has the advantages of simple overall structure, can realize the short-term test of valve gas tightness automatically, guarantee detection effect, improve detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of the valve gas tightness detects, concretely relates to valve gas tightness detection device.
Background
The valve is a control part in a pipeline fluid conveying system, is used for changing the passage section and the medium flowing direction, and has the functions of diversion, cutoff, throttling, check, shunting or overflowing pressure relief and the like. The sealing performance of the valve is an essential characteristic for realizing the above functions, so that the sealing performance of the valve needs to be detected after the valve is machined.
Among the prior art, the gas tightness of valve detects mostly that artifical manual is gone on, need utilize fasteners such as a plurality of screws to fix the valve on testing platform promptly, sinks it into aquatic again, aerifys and pressurizes gradually in waiting to survey the valve body then, carries out the detection of gas tightness, and whole operation process is not only loaded down with trivial details, and detection efficiency is low, easily appears the condition that the valve is fixed insecure moreover, directly influences the effect that the valve detected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a valve gas tightness detection device to solve the problem that valve gas tightness detection efficiency is low.
The utility model discloses a valve gas tightness detection device realizes like this:
the utility model provides a valve gas tightness detection device, includes the detection water tank, and installs just can upper and lower removal testing platform in the detection water tank, the last pressurization flange section of thick bamboo of installing of testing platform, the bottom of a pressurization flange section of thick bamboo is provided with the gas pocket, testing platform's top is provided with the depression bar that can upper and lower removal.
Furthermore, the last inspection hole that is provided with of testing platform, a pressurization flange section of thick bamboo includes from last to passing down the barrel of inspection hole, and set up the barrel top just supports flange plate on the testing platform.
Furthermore, a plurality of pressure bars are arranged and fixed at the bottom of the same pressure plate;
the detection platform is characterized in that a supporting plate is arranged above the detection platform, a pressing cylinder is arranged above the supporting plate, and a piston rod of the pressing cylinder penetrates downwards through the supporting plate to be connected with the pressing plate.
Furthermore, a support frame is arranged in the detection water tank, and the detection platform is installed on the support frame.
Furthermore, a lifting cylinder is installed on the rear wall of the detection water tank, and the lower end of a piston rod of the lifting cylinder is connected with the support frame.
Furthermore, guide posts are respectively arranged on two sides of the lifting cylinder, and sliding blocks which are in sliding fit with the guide posts are installed on the rear side of the supporting frame.
Furthermore, a baffle plate is installed on the rear wall of the detection water tank, the baffle plate is clamped on one of the guide posts, and at least one sliding block on the guide post is positioned above the baffle plate.
Furthermore, an adjusting frame is arranged on the outer side of one of the guide posts, a plurality of positioning holes which are longitudinally arranged are formed in the adjusting frame, and a limiting post is arranged in one of the positioning holes.
Furthermore, a heating pipe is installed in the detection water tank.
Furthermore, an operation box is arranged at the top of the front wall of the detection water tank.
After the technical scheme is adopted, the utility model discloses the beneficial effect who has does:
the utility model has the advantages of simple overall structure, can realize fast that the valve detects fixed, the pressurization of aerifing and the test of sinking of time measuring, easy operation, convenient to use has guaranteed the effect that the valve gas tightness detected effectively, improves detection efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural diagram of a valve airtightness detection apparatus according to a preferred embodiment of the present invention;
fig. 2 is a structural diagram of a valve airtightness detection apparatus (without a detection water tank) according to a preferred embodiment of the present invention;
FIG. 3 is a structural diagram of the valve airtightness testing device (without the testing water tank) according to the preferred embodiment of the present invention
Fig. 4 is a structural view of a pressure flange cylinder of the valve airtightness testing apparatus according to the preferred embodiment of the present invention;
fig. 5 is a structural diagram of the valve airtightness detection device according to the preferred embodiment of the present invention when the quick action emergency valve to be detected is placed thereon;
fig. 6 is a structural diagram of the valve airtightness detection device according to the preferred embodiment of the present invention when the quick action emergency valve to be detected is placed thereon;
FIG. 7 isbase:Sub>A cross-sectional view taken along the line A-A in FIG. 6;
in the figure: the device comprises a detection platform 1, a pressurizing flange cylinder 2, a cylinder body 2-1, a flange plate 2-2, an annular groove 2-3, an air hole 3, a pressure rod 4, an outer frame body 5, a water tank body 6, a pressure plate 7, a supporting plate 8, a pressing cylinder 9, a guide rod 10, a supporting frame 11, a lifting cylinder 12, a fixed seat 13, a guide column 14, a sliding block 15, a mounting seat 16, a stop block plate 17, an adjusting frame 18, a positioning hole 19, a heating pipe 20, an operation box 21, a sliding sleeve 22, a supporting rod 23 and an emergency cut-off valve 24.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-7, a valve airtightness detection apparatus includes a detection water tank and a detection platform 1 installed in the detection water tank and capable of moving up and down, a pressurization flange cylinder 2 is installed on the detection platform 1, an air hole 3 is provided at the bottom of the pressurization flange cylinder 2, and a pressure lever 4 capable of moving up and down is provided above the detection platform 1.
Specifically, the detection water tank comprises an outer frame body 5 and a water tank body 6 arranged in the outer frame body 5, wherein the rear wall of the outer frame body 5 is provided with an upward extending part, other components are convenient to install, water is added into the water tank body 6, and the detection platform 1 is positioned in the water tank body 6.
Preferably, the bottom of the tank body 6 is provided with a drain outlet.
In addition, the lower end of the air hole 3 is connected with an air source through an air pipe, so that the air is inflated and pressurized into the pressurizing flange cylinder 2.
In order to realize the matching of the pressurizing flange cylinder 2 and the detection platform 1, the detection platform 1 is provided with a detection hole, and the pressurizing flange cylinder 2 comprises a cylinder body 2-1 which penetrates through the detection hole from top to bottom and a flange plate 2-2 which is arranged above the cylinder body 2-1 and supported on the detection platform 1.
Specifically, the detection platform 1 is of a convex plate structure, and the pressurizing flange cylinder 2 is directly placed in a detection hole of the detection platform.
Preferably, the upper surface of the flange plate 2-2 is provided with an annular groove 2-3, and a sealing ring can be arranged in the annular groove 2-3, so that the sealing property between a flange piece of the valve and the pressurizing flange barrel 2 during detection can be ensured, and the detection effect is ensured.
During detection, the valve is placed in the pressurizing flange barrel 2, the pressure rods 4 move downwards to press the flange pieces of the valve, the flange pieces are fixed, the valve is prevented from popping out of the pressurizing flange barrel 2 during inflation and pressurization, and in order to achieve synchronous movement of the pressure rods 4, the pressure rods 4 are provided with a plurality of pressure rods and fixed at the bottom of the same pressure plate 7.
In this embodiment, four pressure rods 4 are provided, which can ensure the stability of the valve, and simultaneously prevent the leakage between the flange plate of the valve and the flange plate 2-2 of the pressure flange barrel 2, thereby avoiding the influence on the detection effect.
In order to realize the up-and-down movement of the pressure rod 4, a supporting plate 8 is arranged above the detection platform 1, a pressing cylinder 9 is installed above the supporting plate 8, and a piston rod of the pressing cylinder 9 downwards penetrates through the supporting plate 8 to be connected with the pressure plate 7.
Specifically, the supporting plate 8 is fixed above the detection platform 1 through the four supporting rods 23, and the piston rod of the pressing cylinder 9 extends out to drive the four pressing rods 4 to move downwards synchronously, so that the pressing of the valve is realized.
Preferably, the pressing plate 7 and the supporting plate 8 are both "convex" shaped plates, the guide rod 10 is installed between the rear protruding part of the supporting plate 8 and the detection platform 1, the sliding sleeve 22 sleeved on the guide rod 10 is installed on the rear protruding part of the pressing plate 7, and the guide of the upward and downward moving process of the pressing plate 7 is realized through the matching of the sliding sleeve 22 and the guide rod 10.
In order to fix the detection platform 1 conveniently, a support frame 11 is arranged in the detection water tank, and the detection platform 1 is installed on the support frame 11.
Specifically, the supporting frame 11 is an L-shaped structure, and the detecting platform 1 is installed on the horizontal part thereof.
In order to realize the up-and-down movement of the detection platform 1 and further drive the valve to be immersed in the water in the detection water tank, a lifting cylinder 12 is installed on the rear wall of the detection water tank, and the lower end of a piston rod of the lifting cylinder 12 is connected with the support frame 11.
Specifically, the extension front side of outer frame 5 is provided with fixing base 13, and lift cylinder 12 installs on fixing base 13, and its piston rod passes fixing base 13 and links to each other with testing platform 1 of its below, and through the flexible of the piston rod of lift cylinder 12, the decline and the rising of realization testing platform 1.
In order to realize the guiding of the up-and-down movement of the detection platform 1, two sides of the lifting cylinder 12 are respectively provided with a guide post 14, and the rear side of the support frame 11 is provided with a slide block 15 which is in sliding fit with the guide post 14.
Specifically, each guide post 14 is fixed on the front side surface of the rear wall of the outer frame 5 through two mounting seats 16, and the sliding block 15 is fixed on the vertical part of the supporting frame 11, so that the sliding block 15 can synchronously slide on the guide posts 14 when the detection platform 1 moves up and down.
In order to limit the lowest point of the detection platform 1, a stop plate 17 is mounted on the rear wall of the detection water tank, the stop plate 17 is clamped on one of the guide posts 14, and at least one sliding block 15 on the guide post 14 is positioned above the stop plate 17.
Specifically, each guide post 14 is matched with two sliders 15, one slider 15 is located between two mounting seats 16, and a stopper plate 17 is mounted on the front side of the extending portion and located above the mounting seat 16 below, and is located below the upper slider 15 at the same time, and can block the downward movement of the slider 15, so as to limit the downward movement of the slider 15, and thus limit the lowest point of the detection platform 1.
Because the depth of entry of different valves is different, in order to adjust the stroke that testing platform 1 descends according to the specification of valve, the outside of one of them guide post 14 is provided with alignment jig 18, offers a plurality of and be vertical arrangement's locating hole 19 on alignment jig 18, is provided with spacing post (not shown in the figure) in one of them locating hole 19.
Specifically, the adjusting frame 18 is installed on the front side of the extending portion, the positioning holes 19 in different positions are selected according to the water penetration depth of the valve to be detected, the limiting column penetrates through the positioning holes 19 from outside to inside, the inner end of the limiting column can extend to the inner side of the guiding column 14, when the sliding block 15 above the guiding column 14 moves downwards, the sliding block cannot move continuously when reaching the limiting column, the sliding block 15 is limited to move downwards, and the effect of adjusting the water penetration depth of the detection platform 1 is achieved.
Preferably, the limiting column is hung on the waist-shaped hole at the top of the adjusting frame 18 through a chain, so that the limiting column is prevented from being lost.
In order to conveniently heat the detection water when the environmental temperature is low, a heating pipe 20 is installed in the detection water tank.
Specifically, the heating pipe 20 is a U-shaped pipe, which is installed on the rear wall of the water tank body 6 and located below the water level, so as to heat water conveniently.
In order to facilitate the operation of the whole detection device, an operation box 21 is arranged on the top of the front wall of the detection water tank.
Specifically, the operation box 21 is provided with a pressure gauge, a pressure regulating valve of the lifting cylinder 12, an operation valve of the lifting cylinder 12, a pressurizing operation valve of the connecting flange cylinder 2, an operation valve of the pressing cylinder 9, a pressure regulating valve of the pressing cylinder 9, and the like.
Taking the air tightness detection of the pneumatic emergency cut-off valve 24 as an example, firstly, the position of the limit column is adjusted according to the sinking distance of the emergency cut-off valve 24 to be detected, then, the inner valve body of the emergency cut-off valve 24 to be detected is placed into the pressure flange barrel 2, so that the flange sheet between the inner valve body and the outer valve body is attached to the flange plate 2-2 of the pressure flange barrel 2, the pressure rod 4 moves downwards and is pressed on the flange sheet of the emergency cut-off valve 24, the flange plate 2-2 and the valve body are sealed, at the moment, the valve port of the outer valve body is sealed by the sealing plate, water is injected into the water tank body 6, and the emergency cut-off valve 24 can be detected.
Specifically, the detection is mainly divided into two parts:
a first part: the emergency cut-off valve 24 is in a cut-off state, the detection platform 1 is utilized to drive the emergency cut-off valve 24 to be immersed into water, the pressure is filled into the pressure flange cylinder 2 through the air pipe connected with the air hole 3 for pressurization, pressure maintaining is carried out after pressurization is finished, if the pressure in the pressure flange cylinder 2 cannot be reduced at the moment, the air tightness between the valve clack and the inner valve body is qualified, and if the pressure is reduced, the air tightness between the valve clack of the emergency cut-off valve 24 and the inner valve body is poor;
a second part: an air pipe connected with the emergency cut-off valve 24 is controlled to be switched to an open state, the detection platform 1 is utilized to drive the emergency cut-off valve 24 to sink into water, air is filled into the pressure flange cylinder 2 for pressurization, if bubbles are generated in the water, the air tightness of the valve body of the emergency cut-off valve 24 is not good, and if no bubbles are generated, the air tightness of the valve body is qualified.
The utility model has the advantages of simple overall structure, can realize the short-term test of valve gas tightness automatically, guarantee detection effect, improve detection efficiency.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a valve gas tightness detection device, its characterized in that, is including detecting the water tank, and install testing platform (1) that just can move from top to bottom in the detecting the water tank, install a pressurization flange section of thick bamboo (2) on testing platform (1), the bottom of a pressurization flange section of thick bamboo (2) is provided with gas pocket (3), the top of testing platform (1) is provided with depression bar (4) that can move from top to bottom.
2. The valve tightness detecting device according to claim 1, wherein the detecting platform (1) is provided with detecting holes, and the pressurizing flange cylinder (2) comprises a cylinder body (2-1) penetrating through the detecting holes from top to bottom and a flange plate (2-2) arranged above the cylinder body (2-1) and supported on the detecting platform (1).
3. The valve tightness detection device according to claim 1, characterized in that said pressing rod (4) is provided in plurality and fixed at the bottom of the same pressing plate (7);
a supporting plate (8) is arranged above the detection platform (1), a pressing cylinder (9) is installed above the supporting plate (8), and a piston rod of the pressing cylinder (9) penetrates through the supporting plate (8) downwards to be connected with the pressing plate (7).
4. The valve airtightness detection apparatus according to claim 1, wherein a support frame (11) is provided in the detection water tank, and the detection platform (1) is mounted on the support frame (11).
5. The valve airtightness detection apparatus according to claim 4, wherein a lifting cylinder (12) is installed on a rear wall of the detection water tank, and a lower end of a piston rod of the lifting cylinder (12) is connected to the support frame (11).
6. The valve airtightness detection apparatus according to claim 5, wherein guide posts (14) are provided on both sides of the lifting cylinder (12), and a slider (15) slidably fitted on the guide posts (14) is mounted on a rear side of the support frame (11).
7. The valve tightness detecting device according to claim 6, wherein a stop plate (17) is installed on the rear wall of the detecting water tank, the stop plate (17) is clamped on one of the guide posts (14), and at least one sliding block (15) on the guide post (14) is located above the stop plate (17).
8. The valve airtightness detection apparatus according to claim 7, wherein an adjusting bracket (18) is disposed on an outer side of one of the guide posts (14), the adjusting bracket (18) is provided with a plurality of positioning holes (19) arranged in a longitudinal direction, and a position-limiting post is disposed in one of the positioning holes (19).
9. The valve airtightness detection apparatus according to claim 1, wherein a heating pipe (20) is installed in the detection water tank.
10. The valve tightness detection device according to claim 1, characterized in that an operation box (21) is arranged on the top of the front wall of the detection water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222144167.8U CN218098209U (en) | 2022-08-15 | 2022-08-15 | Valve gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222144167.8U CN218098209U (en) | 2022-08-15 | 2022-08-15 | Valve gas tightness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN218098209U true CN218098209U (en) | 2022-12-20 |
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| CN202222144167.8U Active CN218098209U (en) | 2022-08-15 | 2022-08-15 | Valve gas tightness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119394541A (en) * | 2025-01-03 | 2025-02-07 | 常州凯鹏液流器材有限公司 | A supercharged intercooler connection sealing test device and detection method |
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2022
- 2022-08-15 CN CN202222144167.8U patent/CN218098209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119394541A (en) * | 2025-01-03 | 2025-02-07 | 常州凯鹏液流器材有限公司 | A supercharged intercooler connection sealing test device and detection method |
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