CN210600657U - Natural gas pipeline plugging device - Google Patents
Natural gas pipeline plugging device Download PDFInfo
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- CN210600657U CN210600657U CN201921240353.3U CN201921240353U CN210600657U CN 210600657 U CN210600657 U CN 210600657U CN 201921240353 U CN201921240353 U CN 201921240353U CN 210600657 U CN210600657 U CN 210600657U
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Abstract
The utility model relates to a natural gas correlation technique field specifically is a natural gas pipeline plugging device, including the plugging device, the joint of plugging device is on natural gas pipeline's surface, and the sliding surface of plugging device is connected with the elastic plate, and the skin weld of elastic plate has the sliding block, and the surface welding of plugging device has the snap ring, and the inner wall at natural gas pipeline is connected in the closing plate extrusion, and beneficial effect is: when the plugging device is installed, the elastic plate is extruded to the inner end, then the plugging device is extruded to the surface of the natural gas pipeline, the sealing sleeve is butted in the butt joint groove, preliminary sealing is carried out, meanwhile, the elastic clamping ring is extruded and clamped in the joint groove, secondary sealing is formed, then the multi-group pneumatic cylinders are adjusted to the outer end, the multi-group sealing plates are moved and extruded on the inner wall of the natural gas pipeline to the outer end, a further sealing structure is formed, multiple sealing structures are arranged, the sealing performance is better, the detection precision is guaranteed, and the plugging device is suitable for popularization.
Description
Technical Field
The utility model relates to a natural gas correlation technique field specifically is a natural gas pipeline plugging device.
Background
In the installation and laying process of the natural gas pipeline, pressure and leakage tests need to be carried out on the installed pipeline section by section, the current common practice is to temporarily plug two ends of the natural gas through a plugging device, the pressure and leakage tests of the natural gas pipeline are carried out by adopting test equipment, and the pipeline plugging device is common plugging equipment.
In the prior art, when the natural gas pipeline is plugged by the plugging device, the plugging device is generally butted on the surface, and then the plugging device is screwed and fixed on the surface of the natural gas pipeline by a plurality of groups of fixing bolts, so that the operation is complex, time and labor are wasted, the plugging device cannot be rapidly installed and disassembled, and the detection efficiency of the natural gas pipeline is influenced; and adopt the fixed connected mode of single spiro union, natural gas line's leakproofness is relatively poor, has certain connecting gap between shutoff ware and the natural gas line, and then influences natural gas line's detection precision, and the result of use is relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas pipeline plugging device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a natural gas pipeline plugging device comprises a plugging device body, wherein the plugging device body is connected to the surface of a natural gas pipeline in a clamped mode, an elastic plate is connected to the surface of the plugging device body in a sliding mode, a sliding block is welded to the surface of the elastic plate, a sliding groove is formed in the plugging device body, the sliding block is connected to the inside of the sliding groove in a sliding mode, a spring clamp is welded to the surface of the sliding block, the spring clamp is welded to the inner wall of the plugging device body, a fixing groove is formed in the natural gas pipeline body, the elastic plate is clamped to the inside of the fixing groove, a limiting spring is welded to the surface of the elastic plate, the limiting spring is welded to the inner wall of the fixing groove, a sealing sleeve is welded to the surface of the plugging device body, a butt joint groove is formed in the natural gas pipeline body, an elastic clamping ring is welded to the surface of the, the inner wall welding of plugging device has the mount pad, the surperficial spiro union of mount pad has the pneumatic cylinder, the surface welding of pneumatic cylinder has the closing plate, the inner wall at natural gas line is connected in the closing plate extrusion.
Preferably, the elastic plate is provided with two sets ofly, the elastic plate comprises a set of hang plate, a set of vertical board and a set of "L" shaped plate, the hang plate, vertical board and "L" shaped plate are elastic structure, the horizontal part welding of "L" shaped plate is at the side surface lower extreme of vertical part, the upper surface at vertical board is welded to the hang plate, the sliding block welding is at the inboard surface of hang plate, the fixed slot is hollow "U" shape structure, the vertical part joint of L "shaped plate is in the inside of a set of bulge on the fixed slot, spacing spring welding is at the horizontal part lower surface of" L "shaped plate, the spring clamp comprises a set of" concave "word shaped plate and a set of spring, the sliding block welding is at the sunk part inner wall of" concave "word shaped plate, the spring welding is at the horizontal part.
Preferably, the sealing sleeve is of a circular frame structure, a hollow circle is arranged in the middle of the inner portion of the horizontal portion of the sealing sleeve, the sealing sleeve is welded on the surface of the plugging device through the hollow circle, and the protruding portion of the sealing sleeve is in butt joint with the inner portion of the butt joint groove.
Preferably, the elastic clamping ring is an isosceles trapezoid elastic annular structure, the inner wall of the elastic clamping ring is welded on the surface of the plugging device, and the surface of the elastic clamping ring is clamped in the clamping groove.
Preferably, pneumatic cylinder and closing plate all are provided with eight groups, and pneumatic sealing mechanism is constituteed with the closing plate to per four groups of pneumatic cylinders, and two sets of pneumatic sealing mechanism are not in on the same horizontal plane, and the pneumatic cylinder comprises pneumatic seat and pneumatic rod, and pneumatic seat spiro union is on the surface of mount pad, and pneumatic rod pneumatic connection is at the pneumatic output end of pneumatic seat, and the pneumatic rod welding is on the surface of closing plate, and the closing plate is arc plate-shaped structure, and crisscross setting is controlled to the multiunit closing plate on two sets of pneumatic sealing mechanism.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the natural gas pipeline is plugged, two groups of elastic plates are firstly extruded towards the inner end, the elastic plates move towards the inner end, then the rear plugging device extrudes towards the surface of the natural gas pipeline, after the plugging device enters the natural gas pipeline and primary fixing is completed, the elastic plates are loosened, due to the elastic action of the limiting springs, the elastic plates are clamped in the fixing grooves, and then the plugging device can be installed;
2. when the plugging device is installed, the elastic plate is extruded to the inner end, then the plugging device is extruded to the surface of the natural gas pipeline, the sealing sleeve is butted in the butt joint groove, preliminary sealing is carried out, meanwhile, the elastic clamping ring is extruded and clamped in the joint groove, secondary sealing is formed, then the multi-group pneumatic cylinders are adjusted to the outer end, the multi-group sealing plates are moved and extruded on the inner wall of the natural gas pipeline to the outer end, a further sealing structure is formed, multiple sealing structures are arranged, the sealing performance is better, the detection precision is guaranteed, and the plugging device is suitable for popularization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the spring clip of the present invention;
FIG. 4 is a schematic view of the connection structure between the mounting seat and the sealing plate of the present invention;
fig. 5 is a schematic view of the sealing plate connection structure of the present invention.
In the figure: the plugging device comprises a plugging device 1, a natural gas pipeline 2, an elastic plate 3, a sliding block 4, a sliding groove 5, a spring clamp 6, a fixing groove 7, a limiting spring 8, a sealing sleeve 9, a butt joint groove 10, an elastic clamping ring 11, a clamping groove 12, a mounting seat 13, a pneumatic cylinder 14 and a sealing plate 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
Referring to fig. 1 to 5, the present invention provides a technical solution: a natural gas pipeline plugging device comprises a plugging device 1, wherein the plugging device 1 is connected to the surface of a natural gas pipeline 2 in a clamped mode, an elastic plate 3 is connected to the surface of the plugging device 1 in a sliding mode, a sliding block 4 is welded to the surface of the elastic plate 3, a sliding groove 5 is formed in the plugging device 1, the sliding block 4 is connected to the inside of the sliding groove 5 in a sliding mode, a spring clamp 6 is welded to the surface of the sliding block 4, the spring clamp 6 is welded to the inner wall of the plugging device 1, a fixing groove 7 is formed in the natural gas pipeline 2, the elastic plate 3 is connected to the inside of the fixing groove 7 in a clamped mode, a limiting spring 8 is welded to the surface of the elastic plate 3, the limiting spring 8 is welded to the inner wall of the fixing groove 7, the elastic plates 3 are provided with two groups, each elastic plate 3 comprises a group of inclined plates, a group of vertical plates and a group of L-shaped plates, each inclined, the inclined plate is welded on the upper surface of the vertical plate, the sliding block 4 is welded on the inner side surface of the inclined plate, the fixing groove 7 is of a hollow U-shaped structure, the vertical part of the L-shaped plate is clamped inside a group of protruding parts on the fixing groove 7, the limiting spring 8 is welded on the lower surface of the horizontal part of the L-shaped plate, the spring clamp 6 is composed of a group of concave-shaped plates and a group of springs, the sliding block 4 is welded on the inner wall of the concave part of the concave-shaped plate, the springs are welded on the surface of the horizontal part of the concave-shaped plate, when the natural gas pipeline 2 is plugged through the plugging device 1, the two groups of elastic plates 3 are firstly squeezed towards the inner ends, due to the elastic action of the elastic plates 3, the elastic plates 3 move towards the inner ends, then the plugging device 1 is squeezed towards the surface of the natural gas pipeline 2, the elastic plates 3 are squeezed on, the elastic plate 3 is extruded and clamped inside the fixing groove 7, so that the stopper 1 is limited and fixed, the structure is simple, time and labor are saved, and the stopper 1 is convenient to mount;
referring to fig. 1 and 2, a sealing sleeve 9 is welded on the surface of a stopper 1, a butt joint groove 10 is formed in a natural gas pipeline 2, the sealing sleeve 9 is in butt joint with the butt joint groove 10, the sealing sleeve 9 is of a circular frame structure, a hollow circle is arranged in the middle of the inner part of a horizontal part of the sealing sleeve 9, the sealing sleeve 9 is welded on the surface of the stopper 1 through the hollow circle, a protruding part of the sealing sleeve 9 is in butt joint with the inside of the butt joint groove 10, when the natural gas pipeline 2 is blocked, the stopper 1 is pressed close to the surface of the natural gas pipeline 2, after the stopper 1 enters the natural gas pipeline 2, the sealing sleeve 9 extrudes on the surface of the natural gas pipeline 2, and meanwhile, the sealing sleeve 9 is in butt joint with the inside of the butt joint groove 10, so that a primary sealing structure is formed between the;
referring to fig. 1, an elastic snap ring 11 is welded on the surface of a plugging device 1, a clamping groove 12 is formed in a natural gas pipeline 2, the elastic snap ring 11 is clamped in the clamping groove 12, the elastic snap ring 11 is in an isosceles trapezoid elastic annular structure, the inner wall of the elastic snap ring 11 is welded on the surface of the plugging device 1, the surface of the elastic snap ring 11 is clamped in the clamping groove 12, when the plugging device 1 is extruded on the surface of the natural gas pipeline 2, the elastic snap ring 11 is extruded on the surface of the natural gas pipeline 2 and is finally clamped in the clamping groove 12 due to the elastic effect of the elastic snap ring 11, so that a secondary clamping sealing structure is formed, and the clamping type sealing structure is simple in structure, convenient to install and disassemble the plugging device 1, and improves the detection efficiency of the natural;
referring to fig. 4 and 5, an installation seat 13 is welded on the inner wall of the stopper 1, a pneumatic cylinder 14 is screwed on the surface of the installation seat 13, a sealing plate 15 is welded on the surface of the pneumatic cylinder 14, the sealing plate 15 is connected to the inner wall of the natural gas pipeline 2 in an extruding manner, eight groups of pneumatic cylinders 14 and sealing plates 15 are arranged, each four groups of pneumatic cylinders 14 and sealing plates 15 form a pneumatic sealing mechanism, the two groups of pneumatic sealing mechanisms are not located on the same horizontal plane, each pneumatic cylinder 14 comprises a pneumatic seat and a pneumatic rod, the pneumatic seat is screwed on the surface of the installation seat 13, the pneumatic rod is pneumatically connected to the pneumatic output end of the pneumatic seat, the pneumatic rod is welded on the surface of the sealing plate 15, the sealing plates 15 are in an arc-shaped plate structure, the multiple groups of sealing plates 15 on the two groups of pneumatic sealing mechanisms are arranged in a left-right staggered manner, after the stopper 1, and a secondary sealing structure is formed, and due to the arrangement of multiple sealing structures, the sealing performance is better, and the detection quality of the natural gas pipeline 2 is ensured.
The working principle is as follows: the model of the pneumatic cylinder 14 refers to MGPM16-10Z, the pneumatic cylinder 14 is electrically connected with an external power supply, when the natural gas pipeline 2 needs to be plugged, two groups of elastic plates 3 are extruded towards the inner ends, due to the elastic action of the elastic plates 3, the two groups of elastic plates 3 move towards the inner ends, at the moment, the plugging device 1 is pressed close to the surface of the natural gas pipeline 2, the elastic plates 3 enter the inside of the fixed grooves 7 and extrude the surface of the limiting springs 8, then the two groups of elastic plates 3 are loosened, the two groups of elastic plates 3 are extruded on the side inner walls of the two groups of fixed grooves 7 to form a primary limiting structure, meanwhile, due to the elastic action of the limiting springs 8, the two groups of elastic plates 3 are extruded on the upper inner walls of the fixed grooves 7 to form a secondary limiting structure, the primary fixing of the plugging device 1 and the natural gas pipeline 2 is completed, meanwhile, the sealing sleeve 9 is butted inside the butt joint, because of the elastic action of the elastic snap ring 11, the elastic snap ring 11 is extruded on the inner wall of the natural gas pipeline 2 and is finally clamped in the clamping groove 12 to form a secondary sealing structure, then a plurality of groups of pneumatic cylinders 14 are adjusted to the outer end, the plurality of groups of pneumatic cylinders 14 drive the sealing plates 15 to move to the outer end, and finally the plurality of groups of sealing plates 15 are extruded on the inner wall of the natural gas pipeline 2 to complete further sealing and fixing, and the multiple sealing and fixing structure is arranged, so that the sealing performance is better, the sealing quality of the natural gas pipeline 2 by the plugging device 1 is ensured, the structure is simple, when the plugging device 1 needs to be taken out, the plurality of groups of pneumatic cylinders 14 are adjusted to the inner end, then the elastic plate 3 is extruded to the lower end, so that the sliding block 4 is extruded on the surface of the spring clamp 6, because of the elastic action of the spring clamp 6 and the, then loosen elastic plate 3, spring clamp 6 and spacing spring 8 are tensile that resets for elastic plate 3 breaks away from fixed slot 7, and upward end pulling plugging device 1 can take out plugging device 1 this moment, is convenient for dismantle plugging device 1, and the structure is dismantled in the installation of joint formula, has improved plugging device 1 to natural gas line 2's shutoff efficiency, is fit for promoting.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a natural gas pipeline plugging device, includes plugging device (1), its characterized in that: the natural gas pipeline plugging device is characterized in that the plugging device (1) is connected to the surface of a natural gas pipeline (2), the surface of the plugging device (1) is connected with an elastic plate (3) in a sliding mode, a sliding block (4) is welded to the surface of the elastic plate (3), a sliding groove (5) is formed in the plugging device (1), the sliding block (4) is connected to the inside of the sliding groove (5) in a sliding mode, a spring clamp (6) is welded to the surface of the sliding block (4), the spring clamp (6) is welded to the inner wall of the plugging device (1), a fixing groove (7) is formed in the natural gas pipeline (2), the elastic plate (3) is connected to the inside of the fixing groove (7) in a clamping mode, a limiting spring (8) is welded to the surface of the elastic plate (3), the limiting spring (8) is welded to the inner wall of the fixing groove (7), a sealing sleeve (9) is welded to the surface, seal cover (9) dock in the inside of butt joint groove (10), the surface welding of plugging device (1) springy clip ring (11), and the inside of natural gas line (2) is equipped with joint groove (12), springy clip ring (11) joint is in the inside of joint groove (12), and the inner wall welding of plugging device (1) has mount pad (13), the surperficial spiro union of mount pad (13) has pneumatic cylinder (14), the surface welding of pneumatic cylinder (14) has closing plate (15), the inner wall at natural gas line (2) is connected in closing plate (15) extrusion.
2. A natural gas pipeline closure according to claim 1, wherein: elastic plate (3) are provided with two sets ofly, elastic plate (3) are by a set of hang plate, a set of vertical board and a set of "L" shaped plate are constituteed, the hang plate, vertical board and "L" shaped plate are elastic construction, the horizontal part welding of L "shaped plate is at the side surface lower extreme of vertical part, the upper surface of hang plate welding at vertical board, sliding block (4) welding is at the inboard surface of hang plate, fixed slot (7) are hollow" U "shape structure, the vertical part joint of L" shaped plate is in the inside of a set of bulge on fixed slot (7), spacing spring (8) welding is at the horizontal part lower surface of "L" shaped plate, spring clamp (6) comprise a set of "concave" word shaped plate and a set of spring, sliding block (4) welding is at the sunk part inner wall of "concave" word shaped plate, the spring welding is at the horizontal part surface of "concave" word.
3. A natural gas pipeline closure according to claim 1, wherein: the sealing sleeve (9) is of a circular frame structure, a hollow circle is arranged in the middle of the inner portion of the horizontal portion of the sealing sleeve (9), the sealing sleeve (9) is welded on the surface of the plugging device (1) through the hollow circle, and the protruding portion of the sealing sleeve (9) is in butt joint with the inner portion of the butt joint groove (10).
4. A natural gas pipeline closure according to claim 1, wherein: elasticity snap ring (11) are isosceles trapezoid elasticity annular structure, and the inner wall welding of elasticity snap ring (11) is on the surface of plugging device (1), and the surface joint of elasticity snap ring (11) is in the inside in joint groove (12).
5. A natural gas pipeline closure according to claim 1, wherein: pneumatic cylinder (14) all are provided with eight groups with closing plate (15), pneumatic sealing mechanism is constituteed with closing plate (15) in per four groups pneumatic cylinder (14), two sets of pneumatic sealing mechanism are not in on the same horizontal plane, pneumatic cylinder (14) comprise pneumatic seat and pneumatic rod, pneumatic seat spiro union is on the surface of mount pad (13), the pneumatic output at pneumatic seat is connected to the pneumatics of pneumatic rod, the pneumatic rod welding is on the surface of closing plate (15), closing plate (15) are arc platelike structure, crisscross setting about multiunit closing plate (15) on two sets of pneumatic sealing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240353.3U CN210600657U (en) | 2019-08-02 | 2019-08-02 | Natural gas pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240353.3U CN210600657U (en) | 2019-08-02 | 2019-08-02 | Natural gas pipeline plugging device |
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| CN210600657U true CN210600657U (en) | 2020-05-22 |
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| CN201921240353.3U Active CN210600657U (en) | 2019-08-02 | 2019-08-02 | Natural gas pipeline plugging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513631A (en) * | 2021-05-08 | 2021-10-19 | 贵港新奥燃气工程有限公司 | Pressure pipeline of gas engineering and laying method thereof |
-
2019
- 2019-08-02 CN CN201921240353.3U patent/CN210600657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513631A (en) * | 2021-05-08 | 2021-10-19 | 贵港新奥燃气工程有限公司 | Pressure pipeline of gas engineering and laying method thereof |
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