CN220039742U - Gas pipeline gas tightness test tool - Google Patents
Gas pipeline gas tightness test tool Download PDFInfo
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- CN220039742U CN220039742U CN202321438051.3U CN202321438051U CN220039742U CN 220039742 U CN220039742 U CN 220039742U CN 202321438051 U CN202321438051 U CN 202321438051U CN 220039742 U CN220039742 U CN 220039742U
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- test box
- sealing
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000005086 pumping Methods 0.000 claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 77
- 239000007788 liquid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to the technical field of gas pipe production, in particular to a gas pipe gas tightness test tool, which comprises: the test box body is divided into two chambers, and clean water is contained in one chamber; the loading mechanism is arranged in the test box body and comprises a power assembly, a loading plate and two groups of sealing assemblies, wherein the power assembly can drive the loading plate to move in the vertical direction in space; the guide plate is arranged on the inner wall of the test box body, a guide groove is formed in the guide plate, and the guide groove is matched with the sealing assemblies, so that when the loading plate moves downwards along the vertical direction of the space, the two groups of sealing assemblies can move close to each other; the pumping assembly is arranged in the test box body and is communicated with one of the sealing assemblies, and the pumping assembly can pump gas in the gas pipeline after being blocked at two ends of the gas pipeline, so that the detection flow is simplified, and the detection speed is improved.
Description
Technical Field
The utility model relates to the technical field of gas pipe production, in particular to a gas pipe gas tightness test tool.
Background
Natural gas leakage can seriously affect the production and life of people, and is mainly caused by defects generated in the production of a gas pipe, such as gas leakage caused by tightness.
The production of gas pipe relates to the turnover cooperation between a plurality of processes, especially after the attach fitting of pipe fitting tip is installed, need carry out the gas tightness detection to the pipe fitting earlier, and need relate to a plurality of steps when carrying out the gas tightness detection to the pipe fitting, including shutoff at pipe fitting both ends, the connection of air inlet line and compressed gas's pumping, wherein the shutoff at pipe fitting both ends adopts the ring flange to connect, need operate a plurality of bolts of flange to connect in specific connection process, occupy a large amount of preparation time, and air inlet line's connection and compressed gas's pumping all need one step and one step to accomplish for when detecting the leakproofness of pipe fitting, complex operation, the process is complicated, detection cycle is long.
Disclosure of Invention
The utility model aims to provide a gas pipeline air tightness test tool for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a gas line tightness test tool comprising:
the test box body is divided into two chambers, and clean water is contained in one chamber;
the loading mechanism is arranged in the test box body and comprises a power assembly, a loading plate and two groups of sealing assemblies, wherein the power assembly can drive the loading plate to move in the vertical direction in space;
the guide plate is arranged on the inner wall of the test box body, a guide groove is formed in the guide plate, and the guide groove is matched with the sealing assemblies, so that when the loading plate moves downwards along the vertical direction of the space, the two groups of sealing assemblies can move close to each other;
the pumping assembly is arranged in the test box body, is communicated with one of the sealing assemblies, and can pump gas into the gas pipeline after being blocked at two ends of the gas pipeline.
As a further scheme of the utility model: the power assembly comprises a driving device installed in the test box body, an output shaft of the driving device is rotationally installed on a bidirectional screw rod in the test box body, two threaded sleeves in threaded connection with the bidirectional screw rod are symmetrically arranged on the bidirectional screw rod, a connecting rod is rotationally installed on the threaded sleeve, and one end, far away from the threaded sleeve, of the connecting rod is rotationally connected with the loading plate.
As still further aspects of the utility model: at least one embedded part is formed at each of two ends of the loading plate, and the embedded parts are in sliding connection with a guide piece arranged in the test box body;
two arc-shaped supporting pieces are also arranged on the loading plate.
As still further aspects of the utility model: the sealing assembly comprises two groups of first sliding grooves arranged on the side part of the loading plate, a connecting frame is slidably arranged in each group of first sliding grooves, and a sealing disc coaxially arranged with the arc-shaped supporting piece is arranged on the connecting frame;
two ends of the connecting frame are symmetrically and rotatably provided with a pulley respectively, and the pulley can roll in the guide groove.
As still further aspects of the utility model: the guide groove comprises two inclined groove bodies and a vertical groove body which are symmetrically arranged on the guide plate, and the inclined groove bodies are smoothly connected with the vertical groove body.
As still further aspects of the utility model: the pumping assembly comprises a first rotary table rotatably arranged in the test box body, a bulge is arranged at the eccentric position of the first rotary table, and the bulge is matched with the loading plate and can drive the first rotary table to rotate;
the pumping assembly further includes a pumping structure disposed within the other of the chambers.
As still further aspects of the utility model: the pumping structure comprises a pump cylinder body arranged in the cavity, a sealing plug is arranged in the pump cylinder body in a sealing sliding manner, and a vertical shaft penetrating through the pump cylinder body is arranged on the sealing plug;
a spring is further arranged in the pump cylinder body, one end of the spring is connected with the sealing plug, the other end of the spring is connected with the inner wall of the pump cylinder body, and the pump cylinder body is connected with the sealing disc through a hose;
the pumping structure further comprises a transmission sleeve connected with the first rotary table and the vertical shaft.
As still further aspects of the utility model: the transmission external member include with carousel coaxial coupling No. two carousel, no. two carousel eccentric position department rotates installs the slider, the slider can in form in the vertical scroll is kept away from in the spout No. two of the one end of sealing plug.
Compared with the prior art, the utility model has the beneficial effects that:
after the two ends of the gas pipeline to be detected are plugged, the gas pipeline to be detected enters below the liquid level in the test box body, the tightness of the connecting part of the gas pipeline to be detected is directly judged by observing whether bubbles are generated at the connecting part of the gas pipeline to be detected, and the result is more visual and clear and is more beneficial to detection personnel to judge;
when the gas pipeline to be detected is driven to move below the liquid level, the plugging of the two ends of the gas pipeline to be detected is completed at the same time, compared with the existing plugging mode, the novel multi-mode is obviously simpler, and meanwhile, the gas pipeline to be detected can enter below the liquid level after the plugging is completed, so that the interval time between detection flows is shortened, and the detection speed is improved;
after the two ends of the gas pipeline to be detected are plugged, gas is pumped into the gas pipeline to be detected so as to simulate the gas tightness of the gas pipeline to be detected during operation, and the gas pipeline to be detected and the movement of the gas pipeline to be detected under the liquid level are synchronously carried out in the gas pumping process, so that the detection time and the detection period are further shortened.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a gas line tightness test tool;
FIG. 2 is a schematic view of the internal structure of a test case in one embodiment of a gas line tightness test tool;
FIG. 3 is a schematic diagram of the power assembly of one embodiment of a gas line tightness test tool;
FIG. 4 is a schematic view of the seal assembly and guide plate structure of one embodiment of a gas line tightness test tool;
FIG. 5 is a schematic diagram of the pumping assembly of one embodiment of a gas line tightness test tool;
FIG. 6 is a schematic view of the internal structure of a pump cylinder block in one embodiment of a gas line tightness test tool;
in the figure: 1. a test box; 2. a driving device; 3. a two-way screw rod; 4. a threaded sleeve; 5. a connecting rod; 6. a loading plate; 7. a fitting portion; 8. a guide member; 9. a first chute; 10. a connecting frame; 11. a pulley; 12. a sealing plate; 13. an arc-shaped supporting member; 14. a guide plate; 15. an inclined groove body; 16. a vertical trough; 17. a first rotary table; 18. a protrusion; 19. a second rotary table; 20. a slide block; 21. a second chute; 22. a vertical shaft; 23. a sealing plug; 24. a pump cylinder block; 25. a spring; 26. and (3) a hose.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 to 6, in an embodiment of the present utility model, a gas line tightness test tool includes: test case 1, loading mechanism, guide plate 14, and pumping assembly.
The test box body 1 is divided into two chambers, clean water is contained in one chamber, and a transparent window is formed in the test box body 1 to observe the condition inside the test box body 1;
the loading mechanism is arranged in the test box body 1 and comprises a power assembly, a loading plate 6 and two groups of sealing assemblies, wherein the power assembly can drive the loading plate 6 to move along the vertical direction in space;
the power assembly comprises a driving device 2 arranged in the test box body 1, an output shaft of the driving device 2 is connected with a bidirectional screw rod 3 rotatably arranged in the test box body 1, two threaded sleeves 4 in threaded connection with the bidirectional screw rod 3 are symmetrically arranged on the bidirectional screw rod 3, a connecting rod 5 is rotatably arranged on the threaded sleeves 4, and one end, away from the threaded sleeves 4, of the connecting rod 5 is rotatably connected with the loading plate 6;
at least one embedded part 7 is respectively formed at two ends of the loading plate 6, the embedded part 7 is in sliding connection with a guide piece 8 arranged in the test box body 1, and two arc-shaped supporting pieces 13 are further arranged on the loading plate 6.
In the initial state, the gas pipeline to be detected is arranged on the loading plate 6, at the moment, the two groups of sealing assemblies are in a state of being separated from the gas pipeline, when the detection operation is carried out, the driving device 2 is controlled to work, the output shaft of the driving device 2 drives the bidirectional screw rod 3 to rotate, the two threaded sleeves 4 arranged on the bidirectional screw rod 3 move downwards, the loading plate 6 is pulled to move downwards along the length direction of the guide piece 8 through the connecting rod 5, in the process, the sealing assemblies are used for sealing two ends of the gas pipeline to be detected, after the sealing is completed, the gas pipeline to be detected enters below the liquid level in the test box body 1 under the driving of the loading plate 6, then the pumping assembly pumps gas into the gas pipeline to be detected, and the sealing performance of the gas pipeline joint to be detected is judged by observing whether bubbles are generated at the gas pipeline joint to be detected.
Through the arrangement, the gas pipeline to be detected can be led to enter below the liquid level in the test box body 1 after the two ends of the gas pipeline to be detected are plugged, the tightness of the gas pipeline joint to be detected is directly judged by observing whether bubbles are generated at the gas pipeline joint to be detected, and the result is more visual and clear and is more beneficial to detection personnel to judge.
Wherein, because adopt threaded connection between two-way lead screw 3 and the screw thread sleeve 4, and threaded connection has the auto-lock nature for when two-way lead screw 3 stopped rotating, the relative position of screw thread sleeve 4 on two-way lead screw 3 can not change, thereby improved the position stability of loading board 6 in the testing process, avoid because the inside hollow structure that is of the gas line that waits to detect produces buoyancy, make loading board 6 upward movement.
Referring to fig. 2 to 4, the guide plate 14 is disposed on the inner wall of the test box 1, and a guide groove is formed on the guide plate 14, and the guide groove cooperates with the sealing assemblies to enable the two sets of sealing assemblies to move close to each other when the loading plate 6 moves downward along the vertical direction in space;
the sealing assembly comprises two groups of first sliding grooves 9 arranged on the side part of the loading plate 6, a connecting frame 10 is slidably arranged in each group of first sliding grooves 9, and a sealing disc 12 coaxially arranged with the arc-shaped supporting piece 13 is arranged on the connecting frame 10;
two ends of the connecting frame 10 are symmetrically and rotatably provided with a pulley 11, the pulley 11 can roll in the guide groove, the guide groove comprises two inclined groove bodies 15 and a vertical groove body 16 which are symmetrically arranged on the guide plate 14, and the inclined groove bodies 15 are smoothly connected with the vertical groove body 16.
In the initial state, the pulley 11 is located at one end of the inclined groove body 15 far away from the vertical groove body 16, the gas pipeline to be detected is placed on the two arc-shaped supporting pieces 13, the connecting position of the gas pipeline to be detected is located at the gap between the two arc-shaped supporting pieces 13, when the loading plate 6 moves downwards, the two connecting frames 10 are driven to move downwards, at the moment, the pulley 11 moves along the length direction of the inclined groove body 15 so that the two connecting frames 10 move close to each other, both ends of the gas pipeline to be detected are plugged, after the pulley 11 moves to the end part of the inclined groove body 15, the two sealing plates 12 complete plugging of the gas pipeline to be detected, then the pulley 11 moves in the vertical groove body 16, the gas pipeline to be detected is driven below the liquid level of the test box body 1, at the moment, the two sealing plates 12 keep the plugging state of both ends of the gas pipeline to be detected, and liquid entering the gas pipeline to be detected is avoided.
Through the setting, can realize when driving the gas pipeline that waits to detect to move below the liquid level, accomplish the shutoff at the gas pipeline both ends that wait to detect simultaneously, compare in current shutoff mode, obviously use novel mode that takes more simply, simultaneously, the gas pipeline that waits to detect after the shutoff is accomplished alright enter into below the liquid level to the interval time between the detection flow has been shortened, detection speed has been improved.
Referring to fig. 2, 5 and 6, the pumping assembly is installed in the test box 1, the pumping assembly is communicated with one of the sealing assemblies, and the pumping assembly can pump gas into the gas pipeline after both ends of the gas pipeline are plugged;
the pumping assembly comprises a first rotary table 17 rotatably arranged in the test box body 1, a protrusion 18 is arranged at the eccentric position of the first rotary table 17, the protrusion 18 is matched with the loading plate 6, and the first rotary table 17 can be driven to rotate;
the pumping assembly further comprises a pumping structure arranged in the other cavity, the pumping structure comprises a pump cylinder body 24 arranged in the cavity, a sealing plug 23 is arranged in the pump cylinder body 24 in a sealing sliding manner, and a vertical shaft 22 penetrating through the pump cylinder body 24 is arranged on the sealing plug 23;
a spring 25 is further installed in the pump cylinder block 24, one end of the spring 25 is connected with the sealing plug 23, the other end of the spring is connected with the inner wall of the pump cylinder block 24, and the pump cylinder block 24 is connected with the sealing disc 12 through a hose 26;
the pumping structure further comprises a transmission sleeve for connecting the first rotary table 17 and the vertical shaft 22, the transmission sleeve comprises a second rotary table 19 coaxially connected with the first rotary table 17, a sliding block 20 is rotatably arranged at the eccentric position of the second rotary table 19, and the sliding block 20 can slide in a second sliding groove 21 formed at one end, far away from the sealing plug 23, of the vertical shaft 22.
When the pulley 11 enters the vertical groove body 16, the loading plate 6 is just abutted against the bulge 18 on the first rotary table 17, and in the process that the loading plate 6 continuously moves downwards, the loading plate 6 drives the first rotary table 17 to rotate through the bulge 18, and the first rotary table 17 and the second rotary table 19 are coaxially arranged, so that when the first rotary table 17 rotates, the second rotary table 19 rotates along with the first rotary table, and under the action of the sliding block 20 and the second sliding groove 21, the sealing plug 23 is pushed by the vertical shaft 22 to move upwards in the pump cylinder body 24, the spring 25 is compressed, and meanwhile, the gas in the pump cylinder body 24 is compressed, and at the moment, the gas in the pump cylinder body 24 enters the gas pipeline to be detected through the hose 26 and the sealing disc 12, so that the pressure in the gas pipeline to be detected is increased, and at the moment, whether bubbles are generated below the liquid level is observed, and the tightness of the joint of the gas pipeline to be detected can be intuitively judged.
Through the arrangement, after the two ends of the gas pipeline to be detected are plugged, gas can be pumped into the gas pipeline to be detected so as to simulate the gas tightness of the gas pipeline to be detected in the working process, and the gas pumping process and the movement of the gas pipeline to be detected under the liquid level are synchronously carried out, so that the detection time is further shortened, and the detection speed is improved.
In the initial state, the projection of the projection 18 is offset from the projection of the first turntable 17, and the first turntable 17 can be rotated when the loading plate 6 acts on the projection 18.
Further, the hose 26 is provided with a relief valve, and after the detection is completed, the relief valve needs to be opened first and then the tool needs to be reset.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. A gas line tightness test tool, comprising:
the device comprises a test box body (1), wherein the test box body (1) is divided into two chambers, and clear water is contained in one chamber;
the loading mechanism is arranged in the test box body (1) and comprises a power assembly, a loading plate (6) and two groups of sealing assemblies, wherein the power assembly can drive the loading plate (6) to move in the vertical direction in space;
the guide plate (14) is arranged on the inner wall of the test box body (1), a guide groove is formed in the guide plate (14), the guide groove is matched with the sealing assemblies, and when the loading plate (6) moves downwards along the vertical direction in space, the two groups of sealing assemblies can move close to each other;
and the pumping assembly is arranged in the test box body (1), is communicated with one of the sealing assemblies, and can pump gas into the gas pipeline after being blocked at two ends of the gas pipeline.
2. A gas line tightness test tool according to claim 1, wherein the power assembly comprises a driving device (2) arranged in the test box body (1), an output shaft of the driving device (2) is rotatably arranged on a bidirectional screw rod (3) in the test box body (1), two threaded sleeves (4) which are in threaded connection with the bidirectional screw rod (3) are symmetrically arranged on the bidirectional screw rod (3), a connecting rod (5) is rotatably arranged on the threaded sleeves (4), and one end, which is far away from the threaded sleeves (4), of the connecting rod (5) is rotatably connected with the loading plate (6).
3. A gas line tightness test tool according to claim 1, wherein said loading plate (6) is formed at each of its two ends with at least one engagement portion (7), said engagement portion (7) being slidingly connected with a guide (8) provided in said test case (1);
two arc-shaped supporting pieces (13) are also arranged on the loading plate (6).
4. A gas line tightness test tool according to claim 3, wherein said sealing assembly comprises two sets of first runners (9) arranged on the sides of said loading plate (6), a connecting frame (10) being slidably mounted in each set of first runners (9), said connecting frame (10) being provided with a sealing disc (12) coaxially arranged with said arc-shaped support (13);
two ends of the connecting frame (10) are symmetrically and rotatably provided with a pulley (11), and the pulley (11) can roll in the guide groove.
5. A gas line tightness test tool according to claim 1, wherein said guiding groove comprises two inclined grooves (15) and a vertical groove (16) symmetrically arranged on said guiding plate (14), said inclined grooves (15) being in smooth connection with said vertical groove (16).
6. A gas line tightness test tool according to claim 4, wherein said pumping assembly comprises a first turntable (17) rotatably mounted in said test box (1), said first turntable (17) being provided with a protrusion (18) at an eccentric position, said protrusion (18) being adapted to said loading plate (6) and being able to rotate said first turntable (17);
the pumping assembly further includes a pumping structure disposed within the other of the chambers.
7. A gas line tightness test tool according to claim 6, characterized in that said pumping arrangement comprises a pump cylinder block (24) mounted in said chamber, a sealing plug (23) being sealingly and slidingly mounted in said pump cylinder block (24), said sealing plug (23) being provided with a vertical shaft (22) extending through said pump cylinder block (24);
a spring (25) is further arranged in the pump cylinder body (24), one end of the spring (25) is connected with the sealing plug (23), the other end of the spring is connected with the inner wall of the pump cylinder body (24), and the pump cylinder body (24) is connected with the sealing disc (12) through a hose (26);
the pumping structure further comprises a transmission sleeve connecting the first rotary table (17) and the vertical shaft (22).
8. A gas line tightness test tool according to claim 7, wherein said transmission set comprises a second turntable (19) coaxially connected to said first turntable (17), a slide block (20) being rotatably mounted at an eccentric position of said second turntable (19), said slide block (20) being slidable in a second slide groove (21) formed at an end of said vertical shaft (22) remote from said sealing plug (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438051.3U CN220039742U (en) | 2023-06-07 | 2023-06-07 | Gas pipeline gas tightness test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438051.3U CN220039742U (en) | 2023-06-07 | 2023-06-07 | Gas pipeline gas tightness test tool |
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| Publication Number | Publication Date |
|---|---|
| CN220039742U true CN220039742U (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321438051.3U Active CN220039742U (en) | 2023-06-07 | 2023-06-07 | Gas pipeline gas tightness test tool |
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| CN (1) | CN220039742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118106061A (en) * | 2024-04-15 | 2024-05-31 | 昆山锶镁检测技术有限公司 | Sewage detection test tube flexible clamping support and intelligent washing and drying integrated device |
-
2023
- 2023-06-07 CN CN202321438051.3U patent/CN220039742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118106061A (en) * | 2024-04-15 | 2024-05-31 | 昆山锶镁检测技术有限公司 | Sewage detection test tube flexible clamping support and intelligent washing and drying integrated device |
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