CN215001006U

CN215001006U - Detection device for detecting micro leakage of natural gas pipeline flange

Info

Publication number: CN215001006U
Application number: CN202120445141.XU
Authority: CN
Inventors: 徐康
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-12-03
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to a detection device for detecting the micro leakage of a natural gas pipeline flange, which comprises a lower clamping block, wherein flange grooves are respectively arranged between the lower clamping block and an upper clamping block, the rear sides of the lower clamping block and the upper clamping block are respectively fixedly connected with a lower connecting block and an upper connecting block, a threaded rod is connected with a bearing above the right side of the lower connecting block, the threaded rod is communicated with the upper connecting block, a first runner is arranged at the upper end of the threaded rod, the flange groove of the upper clamping block is communicated with the upper clamping block through a communication hole, the communication hole is communicated with the middle part of the flange groove, the upper end of the communication hole is connected with a conduit, a film is arranged at the upper end of the conduit, the communication hole is connected with a movable groove, a movable block is arranged in the movable groove, the left end of the movable block is fixedly connected with a lead screw, the lead screw is in a sleeve in a threaded manner, and a driven bevel gear is arranged at the left end of the sleeve, and the driven bevel gear is meshed with the driving bevel gear, the driving bevel gear is arranged at the lower end of the rotating shaft, and the second rotating wheel is arranged at the upper end of the rotating shaft. The problem of the detection device that natural gas line flange leaks a little operation complicacy among the prior art is solved.

Description

Detection device for detecting micro leakage of natural gas pipeline flange

Technical Field

The utility model belongs to the technical field of natural gas line detects, a detection device for detecting natural gas line flange microleakage is related to.

Background

The natural gas main component is methane, and its complete combustion produces carbon dioxide and water, is a cleaner energy, and the natural gas generally adopts pipeline transportation, generally adopts flange joint during the pipe connection, and the condition that natural gas leaked can appear in the reason such as flange joint is used for a long time owing to corrode, packing ring ageing, and the untimely waste that can cause natural gas resources that detects can cause can threaten our life and property safety when serious.

However, the existing detection device for detecting the natural gas pipeline flange microleakage is complex, is troublesome to operate, cannot detect whether microleakage occurs or not quickly, and can not plug a leak point timely when microleakage is detected, so that waste of natural gas resources is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a detection device for detecting natural gas line flange is leaked a little has solved the problem that the detection device operation of the natural gas line flange that exists is leaked a little among the prior art.

The utility model adopts the technical proposal that a detection device for detecting the natural gas pipeline flange microleakage comprises a lower clamping block and an upper clamping block, wherein flange grooves are arranged between the lower clamping block and the upper clamping block, the rear sides of the lower clamping block and the upper clamping block are respectively fixedly connected with a lower connecting block and an upper connecting block, a bearing above the right side of the lower connecting block is connected with a threaded rod, the threaded rod is communicated with the upper connecting block, a first runner is arranged at the upper end of the threaded rod, the flange groove of the upper clamping block is communicated with the upper clamping block through a communication hole, the communication hole is communicated with the middle part of the flange groove, the upper end of the communication hole is connected with a conduit, the upper end of the conduit is provided with a film, the communication hole is connected with a movable groove, a movable block is arranged in the movable groove, the left end of the movable block is fixedly connected with a lead screw, the lead screw is connected inside a sleeve in a threaded manner, the left end of the sleeve is provided with a driven bevel gear, the driven bevel gear is meshed with a driving bevel gear, the driving bevel gear is arranged at the lower end of a rotating shaft, the upper end of the rotating shaft is provided with a second rotating wheel.

The utility model discloses a characteristics still lie in:

the threaded rod is in threaded connection with the upper connecting block.

All be provided with the mounting groove on clamp splice and the last clamp splice down, install the sealing strip in the mounting groove.

The middle of the sleeve is connected with a fixed block bearing, and the fixed block is fixedly arranged in the movable groove.

The rotating shaft is connected with the rotating groove bearing, and the rotating groove is arranged inside the upper clamping block.

The communicating hole is vertical to the movable groove, and the aperture of the communicating hole is smaller than the groove width of the movable groove.

The guide post is installed to lower connecting block left side top, and the guide post link up the guiding groove to the guiding groove sets up in the inside left side of last connecting block.

The threaded rod keeps parallel with the guide post, and the threaded rod and the guide post all keep perpendicular with lower connecting block.

The utility model has the advantages that: the utility model relates to a detection apparatus for be used for detecting natural gas line flange hourglass has solved the problem that the detection apparatus operation of the natural gas line flange hourglass that exists is complicated among the prior art. The detection device is convenient for workers to operate and detect the natural gas pipeline flange, so that the detection device for detecting the micro leakage of the natural gas pipeline flange can improve the working efficiency, can plug the flange with the micro leakage in time, prevents natural gas from continuously leaking, and reduces the resource waste; the flange groove of the detection device for detecting the micro leakage of the natural gas pipeline flange is sleeved around the natural gas pipeline flange, the first rotating wheel is rotated to enable the upper clamping block to move downwards, the natural gas pipeline flange is sealed, and when the micro leakage phenomenon exists, the leaked natural gas enables the pressure in the flange groove to be increased, so that a film at the upper end of the guide pipe is bulged; through rotating the second runner, drive the pivot and rotate for the initiative awl tooth drives driven awl tooth, makes the sleeve rotatory, unscrews the lead screw, makes the movable block move right, with the intercommunicating pore shutoff, makes the natural gas in the flange groove can't continue to leak away, makes and just can have the timely shutoff of flange of microleakage when detecting out the natural gas pipeline flange microleakage, avoids the natural gas to continue to leak, reduces the waste of resource.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a detection device for detecting a natural gas pipeline flange microleakage according to the present invention;

fig. 2 is a schematic view of a partial enlarged structure of a detection device for detecting a natural gas pipeline flange microleakage according to the present invention;

fig. 3 is a schematic structural view of a detection device for detecting a natural gas pipeline flange microleakage according to the present invention;

fig. 4 is a schematic side sectional view of the detecting device for detecting a natural gas pipeline flange microleakage according to the present invention;

fig. 5 is a schematic view of a sectional structure of bowing connected by intercommunicating pore and pivot in the detecting device for detecting the micro-leakage of the flange of the natural gas pipeline.

In the figure, 1, a lower clamping block, 2, a mounting groove, 3, a sealing strip, 4, a flange groove, 5, a threaded rod, 6, an upper clamping block, 7, a first rotating wheel, 8, a guide column, 9, a film, 10, a guide pipe, 11, a communication hole, 12, a movable groove, 13, a movable block, 14, a screw rod, 15, a fixed block, 16, a sleeve, 17, a driven bevel gear, 18, a driving bevel gear, 19, a rotating shaft, 20, a rotating groove, 21, a second rotating wheel, 22, a lower connecting block, 23, a guide groove and 24 are upper connecting blocks.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a detection apparatus for be used for detecting natural gas line flange microleakage, as shown in fig. 1 to 5, including clamp splice 1 and last clamp splice 6 down, all be provided with mounting groove 2 on clamp splice 1 and the last clamp splice 6 down, install sealing strip 3 in the mounting groove 2. All be provided with flange groove 4 in the middle of clamp splice 1 and last clamp splice 6 down, clamp splice 1 and last clamp splice 6 rear side respectively with lower connecting block 22 and last connecting block 24 fixed connection, guide post 8 is installed to lower connecting block 22 left side top, and guide post 8 link up guiding groove 23 to guiding groove 23 sets up in the inside left side of last connecting block 24. The threaded rod 5 and the guide column 8 are kept parallel, and the threaded rod 5 and the guide column 8 are both kept perpendicular to the lower connecting block 22. The bearing on the upper right side of the lower connecting block 22 is connected with a threaded rod 5, the threaded rod 5 penetrates through the upper connecting block 24, and the threaded rod 5 is in threaded connection with the upper connecting block 24. The upper end of the threaded rod 5 is provided with a first rotating wheel 7, the flange groove 4 of the upper clamping block 6 penetrates through the upper clamping block 6 through a communicating hole 11, the communicating hole 11 is communicated with the middle part of the flange groove 4, the upper end of the communicating hole 11 is connected with a guide pipe 10, the upper end of the guide pipe 10 is provided with a film 9, the communicating hole 11 is connected with a movable groove 12, the communicating hole 11 is vertical to the movable groove 12, and the aperture of the communicating hole 11 is smaller than the groove width of the movable groove 12. A movable block 13 is arranged in the movable groove 12, the left end of the movable block 13 is fixedly connected with a screw rod 14, the screw rod 14 is connected inside a sleeve 16 in a threaded mode, the middle of the sleeve 16 is connected with a fixed block 15 in a bearing mode, and the fixed block 15 is fixedly installed inside the movable groove 12. Driven bevel gear 17 is installed to the sleeve 16 left end, and driven bevel gear 17 and initiative bevel gear 18 meshing, and initiative bevel gear 18 is installed at 19 lower extremes of pivot, and pivot 19 is connected with rotation groove 20 bearing to it sets up inside last clamp splice 6 to rotate groove 20. The upper end of the rotating shaft 19 is provided with a second rotating wheel 21.

The utility model relates to a detection apparatus for be used for detecting natural gas line flange microleakage, the material of sealing strip 3 is rubber, and its structural shape is half-circular ring shape, can be convenient for the inseparable laminating of sealing strip 3 at the natural gas line outer wall. The movable block 13 is prism-shaped and the shape of the movable block is matched with that of the movable groove 12, so that the movable block 13 can stably move in the movable groove 12, and the sealing performance is ensured. The guiding groove 23 is cylindrical and the shape of the guiding groove is matched with that of the guiding column 8, so that the upper connecting block 24 can move stably along the guiding column 8 through the limiting effect of the guiding groove 23 and the guiding column 8.

The utility model relates to a detection apparatus for be used for detecting natural gas line flange microleakage's theory of operation does: the flange groove 4 of the detection device for detecting the micro leakage of the natural gas pipeline flange is sleeved on the periphery of the natural gas pipeline flange, the first rotating wheel 7 is rotated to enable the threaded rod 5 to rotate, the threaded rod 5 is in threaded connection with the upper connecting block 24, the upper connecting block 24 drives the upper clamping block 6 to move downwards simultaneously through thread transmission, the sealing strip 3 is attached to the outer wall of the natural gas pipeline to seal the natural gas pipeline flange, when the micro leakage phenomenon exists, the pressure in the flange groove 4 is increased due to leaked natural gas, the film 9 at the upper end of the guide pipe 10 is bulged, and a worker can conveniently know that the micro leakage phenomenon exists in the natural gas pipeline flange;

when detecting out that natural gas line flange has the microleakage phenomenon, can rotate second runner 21, second runner 21 drives pivot 19 and rotates, pivot 19 rotates and makes initiative awl tooth 18 drive driven awl tooth 17 and rotate, and then make sleeve 16 rotatory, unscrew lead screw 14, make movable block 13 remove to the right, with the shutoff of intercommunicating pore 11, make the natural gas in flange groove 4 can't continue to leak away, make the timely shutoff of flange that just can have the microleakage when detecting out natural gas line flange microleakage, reduce the waste of resource.

In the present invention, the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element to which the present invention is directed must have a specific orientation, be constructed and operated in a specific orientation.

The utility model relates to a detection apparatus for be used for detecting natural gas line flange hourglass has solved the problem that the detection apparatus operation of the natural gas line flange hourglass that exists is complicated among the prior art. The detection device is convenient for workers to operate and detect the natural gas pipeline flange, so that the detection device for detecting the micro leakage of the natural gas pipeline flange can improve the working efficiency, can plug the flange with the micro leakage in time, prevents natural gas from continuously leaking, and reduces the resource waste; the flange groove of the detection device for detecting the micro leakage of the natural gas pipeline flange is sleeved around the natural gas pipeline flange, the first rotating wheel is rotated to enable the upper clamping block to move downwards, the natural gas pipeline flange is sealed, and when the micro leakage phenomenon exists, the leaked natural gas enables the pressure in the flange groove to be increased, so that a film at the upper end of the guide pipe is bulged; through rotating the second runner, drive the pivot and rotate for the initiative awl tooth drives driven awl tooth, makes the sleeve rotatory, unscrews the lead screw, makes the movable block move right, with the intercommunicating pore shutoff, makes the natural gas in the flange groove can't continue to leak away, makes and just can have the timely shutoff of flange of microleakage when detecting out the natural gas pipeline flange microleakage, avoids the natural gas to continue to leak, reduces the waste of resource.

Claims

1. The detection device for detecting the micro leakage of the natural gas pipeline flange is characterized by comprising a lower clamping block (1) and an upper clamping block (6), wherein a flange groove (4) is formed in the middle of the lower clamping block (1) and the upper clamping block (6), the rear sides of the lower clamping block (1) and the upper clamping block (6) are fixedly connected with a lower connecting block (22) and an upper connecting block (24) respectively, a threaded rod (5) is connected to the upper side of the right side of the lower connecting block (22) in a bearing mode, the threaded rod (5) penetrates through the upper connecting block (24), a first rotating wheel (7) is installed at the upper end of the threaded rod (5), the flange groove (4) of the upper clamping block (6) penetrates through the upper clamping block (6) through a communication hole (11), the communication hole (11) is communicated with the middle of the flange groove (4), the upper end of the communication hole (11) is connected with a guide pipe (10), a thin film (9) is installed at the upper end of the guide pipe (10), intercommunicating pore (11) are connected with activity groove (12), be provided with movable block (13) in activity groove (12), movable block (13) left end and lead screw (14) fixed connection, lead screw (14) threaded connection is inside in sleeve (16), driven awl tooth (17) are installed to sleeve (16) left end, and driven awl tooth (17) and initiative awl tooth (18) meshing, install in pivot (19) lower extreme initiative awl tooth (18), second runner (21) are installed to pivot (19) upper end.

2. The detection device for detecting the natural gas pipeline flange microleakage according to claim 1, characterized in that the threaded rod (5) is in threaded connection with the upper connection block (24).

3. The device for detecting the micro-leakage of the flange of the natural gas pipeline as claimed in claim 1, wherein the lower clamping block (1) and the upper clamping block (6) are both provided with an installation groove (2), and a sealing strip (3) is installed in the installation groove (2).

4. The detection device for detecting the natural gas pipeline flange microleakage according to claim 1, wherein the middle of the sleeve (16) is in bearing connection with a fixed block (15), and the fixed block (15) is fixedly arranged inside the movable groove (12).

5. The detection device for detecting the natural gas pipeline flange microleakage according to claim 1, characterized in that the rotating shaft (19) is in bearing connection with the rotating groove (20), and the rotating groove (20) is arranged inside the upper clamping block (6).

6. The detection device for detecting the micro-leakage of the flange of the natural gas pipeline as claimed in claim 1, wherein the communication hole (11) is perpendicular to the movable groove (12), and the aperture of the communication hole (11) is smaller than the groove width of the movable groove (12).

7. The device for detecting the natural gas pipeline flange microleakage according to claim 1, wherein a guide column (8) is installed above the left side of the lower connecting block (22), the guide column (8) penetrates through the guide groove (23), and the guide groove (23) is arranged at the left side inside the upper connecting block (24).

8. The detection device for detecting the natural gas pipeline flange microleakage according to claim 7, characterized in that the threaded rod (5) and the guide column (8) are kept parallel, and the threaded rod (5) and the guide column (8) are kept perpendicular to the lower connecting block (22).