CN219300525U

CN219300525U - Gas pipeline investigation equipment

Info

Publication number: CN219300525U
Application number: CN202223157961.2U
Authority: CN
Inventors: 梁志艳; 吴豪杰; 刘晓弟; 李娜
Original assignee: Zhengzhou Airport Xinggang Gas Co ltd
Current assignee: Zhengzhou Airport Xinggang Gas Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-07-04
Anticipated expiration: 2032-11-28

Abstract

The utility model specifically discloses a gas pipeline checking device, which belongs to the technical field of gas pipeline facilities, and comprises an upper pressing body, a lower pressing body, a driving mechanism and a pressure detection mechanism for detecting the air pressure of an inner cavity of the upper pressing body, wherein one side of the lower pressing body is connected with one side of the upper pressing body through the driving mechanism, the upper pressing body is provided with a rubber arc-shaped groove which is attached to the side surface of a gas pipeline, and the rubber arc-shaped groove is provided with an opening communicated with the inner cavity; during detection, the driving mechanism is used for driving the lower pressing body to be close to the upper pressing body, so that a gas pipeline arranged in the rubber arc-shaped groove is clamped between the upper pressing body and the lower pressing body; the upper pressing body is provided with a slide way which is communicated with the inner cavity and is penetrated with an operating rod, a sealing rubber ring is arranged in the slide way, and one end of the operating rod, which is positioned in the inner cavity, is connected with a magnetic wrench which is used for disassembling the plug on the gas pipeline and is positioned in the opening. The device can realize the communication and separation between the gas pipeline and the gas pipeline, and can effectively improve the air pressure detection efficiency of the pipe network.

Description

Gas pipeline investigation equipment

Technical Field

The utility model relates to the technical field of gas pipeline facilities, in particular to gas pipeline checking equipment.

Background

In the process of building a gas pipe network, a patrol personnel needs to frequently detect the pressure of each section of the gas pipe network, when detecting the pressure of the gas pipe network, a plug of a gas pipe is generally required to be detached, a corresponding stop valve is installed, a latex tube is sleeved, then a U-shaped pressure gauge water column scale is observed after the stop valve is opened, the pressure detection is completed, the disassembly is carried out again after the detection, leakage gas can occur during each disassembly, and certain potential safety hazards exist for staff; in order to solve the above-mentioned problem, the plug cover is then arranged in the closed box body to be disassembled and assembled, so as to detect the air pressure in the gas pipeline in the sealed space, as in the chinese patent: CN212390118U, a commercial gas pipeline pressure detection device, its during operation is through detaining last body in commercial gas pipeline's upside to make the sleeve of action bars lower extreme cooperate with the plug, then detain down the body in commercial gas pipeline's downside, with last body and lower body fixed connection. The pressure sensor is connected with the gas pipeline through a connecting pipe, the operating rod is rotated, the plug is disassembled, gas in the pipeline enters the inner cavity of the upper body and enters the position of the pressure sensor through the connecting pipe, the pressure in the commercial gas pipeline is measured after the pressure is stable, and finally, the operating rod is rotated to install the plug on the pipeline, and the upper body and the lower body are disassembled; although the device can realize the dismouting plug in sealed inner chamber, has avoided the gas to leak in a large number, and the potential safety hazard is less, but whole testing process still needs many people to cooperate the dismouting repeatedly and is used for connecting the screw nut of last body and lower body, and complex operation consumes time, leads to the pipe network atmospheric pressure detection inefficiency.

Based on this, how to improve the air pressure detection efficiency of the pipe network is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide the gas pipeline investigation equipment, which can not only avoid a great deal of leakage of gas during detection, but also realize quick communication and separation between the gas pipeline and the gas pipeline, does not need to repeatedly disassemble screw nuts, saves time and labor, and can effectively improve the air pressure detection efficiency of a pipe network.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the gas pipeline investigation equipment comprises an upper pressing body, a lower pressing body, a driving mechanism and a pressure detection mechanism for detecting the air pressure of an inner cavity of the upper pressing body, wherein one side of the lower pressing body is connected with one side of the upper pressing body through the driving mechanism, the upper pressing body is provided with a rubber arc-shaped groove attached to the side surface of a gas pipeline, and the rubber arc-shaped groove is provided with an opening communicated with the inner cavity; during detection, the driving mechanism is used for driving the lower pressing body to be close to the upper pressing body, so that a gas pipeline arranged in the rubber arc-shaped groove is clamped between the upper pressing body and the lower pressing body; the upper pressing body is provided with a slide way which is communicated with the inner cavity and is penetrated with an operating rod, a sealing rubber ring is arranged in the slide way, and one end of the operating rod, which is positioned in the inner cavity, is connected with a magnetic wrench which is used for disassembling the plug on the gas pipeline and is positioned in the opening.

Further, the pressing body comprises a pair of parallel support rods.

Further, the driving mechanism comprises a pair of swing arms and a driving part for driving the swing arms to move away from or approach each other; the swing arms are respectively hinged to two ends of the same side of the upper pressing body, and the support rods are respectively connected to one ends of the swing arms far away from the upper pressing body.

Further, the driving part comprises a telescopic sleeve and a pair of telescopic pup joints, the telescopic pup joints are respectively connected to two ends of the telescopic sleeve in a threaded manner, and the threads of the telescopic pup joints are opposite in rotation direction; and the pair of telescopic pup joints are respectively hinged with the pair of swing arms.

Further, the surface of the telescopic sleeve is provided with an anti-slip structure.

Further, the pressure detection mechanism comprises a pressure gauge connected to the upper pressure body.

Further, the upper pressing body is detachably connected with the rubber arc groove.

Further, one end of the operating rod, which is positioned outside the upper pressing body, is connected with a second driving part for driving the operating rod to rotate.

Further, the second driving part is a handle.

Further, an inner hexagonal hole for inserting a prism of the connecting end of the magnetic spanner is formed in the end portion of the operating rod, located in the inner cavity, and a threaded hole in which a locking screw is installed is formed in the side wall of the inner hexagonal hole.

Compared with the prior art, the gas pipeline inspection equipment provided by the utility model has the advantages that the structure is distinctive, the operation is convenient, the gas pipeline is placed into the rubber arc-shaped groove from the inlet and the outlet, the lower pressing body and the upper pressing block are driven by the driving mechanism to be close to each other, so as to clamp the gas pipeline, the upper pressing block is fixed on the gas pipeline, the inner cavity and the gas pipeline are communicated by the operating rod matched with the magnetic suction plate for manual disassembly and assembly plug, the tightness of the inner cavity is realized by utilizing the elastic deformation of the rubber arc-shaped groove, the gas in the gas pipeline is effectively prevented from leaking after entering the inner cavity, and meanwhile, the accuracy of the gas pressure in the inner cavity detected by the pressure detection mechanism can be ensured, so that the detected gas pressure is equal to the gas pressure in the gas pipeline;

the device does not need to use a bolt and nut to connect the upper pressing block and the lower pressing body, and in the detection process, the lower pressing body is driven by the driving mechanism to be far away from or close to the upper pressing block, so that the upper pressing block and the lower pressing body can be quickly fixed in a gas pipeline, a great deal of gas leakage can be avoided during detection, the safety of workers is ensured, the connection and separation between the quick gas pipeline and the gas pipeline can be realized, the screw and nut are not required to be repeatedly detached, time and labor are saved, and the gas pressure detection efficiency of a pipe network can be effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a gas pipeline inspection device;

FIG. 2 is a schematic diagram in full section of FIG. 1;

FIG. 3 is a front view of an upper press block of a gas pipeline inspection device;

fig. 4 is a schematic diagram in full section of fig. 3.

In the figure: 1. the hydraulic pressure type hydraulic pressure control device comprises a supporting rod, a swing arm, a driving part, a telescopic nipple, a telescopic sleeve, a rubber arc-shaped groove, an upper pressing body, an operating rod, a handle, a pressure gauge, a slide rail, a sealing rubber ring, a locking screw, a hexagonal hole, a prismatic body, a magnetic spanner, an arc-shaped surface, a gas pipeline and a screw plug.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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.

As shown in fig. 1 to 4, as a gas pipeline inspection device of a preferred embodiment of the present utility model, comprising an upper press body 5 and a lower press body positioned below the upper press body 5, and a driving mechanism and a pressure detection mechanism for detecting the air pressure of the inner cavity of the upper press body 5, one side of the lower press body is connected with one side of the upper press body 5 through the driving mechanism, the lower end of the upper press body 5 is provided with a rubber arc groove 4 attached to the side of a gas pipeline (16), and the rubber arc groove 4 is provided with an opening communicating with the inner cavity; during detection, the driving mechanism is used for driving the lower pressing body to be close to the upper pressing body 5, so that a gas pipeline arranged in the rubber arc groove 4 is clamped between the upper pressing body 5 and the lower pressing body; the upper pressing body 5 is provided with a slide way 9 which is communicated with the inner cavity and is penetrated with an operating rod 6, a sealing rubber ring 10 is arranged in the slide way 9, the operating rod 6 can move axially and rotate around the axis of the operating rod, and one end of the operating rod 6 positioned in the inner cavity is connected with a magnetic wrench 14 for disassembling a plug 17 on a gas pipeline 16 and positioned in an opening.

Because one side of the lower pressing body is connected with one side of the upper pressing body 5 through the driving mechanism, correspondingly, an inlet and an outlet which enable a fuel gas pipeline to enter and exit are formed between the other side of the lower pressing body and the other side of the upper pressing body 5; during detection, the part of the gas pipeline provided with the plug 17 enters the rubber arc-shaped groove 4 from the inlet and the outlet, the plug 17 is positioned in the opening and is clamped and matched with the magnetic wrench 14 in the inner cavity, then the driving mechanism is used for driving the downward pressing body to move towards the upward pressing body 5, so that the gas pipeline 16 is clamped between the downward pressing body and the upward pressing body 5, the rubber arc-shaped groove 4 is reversely driven to extrude the outer side of the gas pipeline, the rubber arc-shaped groove 4 is elastically deformed to realize the sealing between the rubber arc-shaped groove 4 and the gas pipeline, then the operating rod 6 is rotated to drive the plug to rotate, the plug is disassembled, the operating rod 6 is pulled outwards after the plug is separated from the gas pipeline, and the magnetic wrench can adsorb the plug to drive the plug to be far away from the gas pipeline; further, the gas in the gas pipeline enters the inner cavity, and the pressure detection mechanism can be used for detecting the gas pressure in the gas pipeline 16; after detection is completed, the operating rod 6 is pushed to the gas pipeline, and when the plug moves to the screw hole, the operating rod 6 is rotated to reinstall the plug 17 to the gas pipeline 16.

When the gas pipeline checking device provided by the utility model is applied, the gas pipeline is placed into the rubber arc-shaped groove 4 from the inlet and the outlet, the lower pressing body and the upper pressing block 5 are driven to be close to each other through the driving mechanism so as to clamp the gas pipeline, the upper pressing block 5 is fixed on the gas pipeline, the inner cavity and the gas pipeline are communicated through the operating rod 6 matched with the magnetic suction plate for manual disassembly and assembly, the tightness of the inner cavity is realized by utilizing the elastic deformation of the rubber arc-shaped groove 4, the gas in the gas pipeline is effectively prevented from leaking after entering the inner cavity, and meanwhile, the accuracy of the gas pressure in the inner cavity detected by the pressure detection mechanism can be ensured, so that the detected gas pressure is equal to the gas pressure in the gas pipeline;

the device does not need to use a bolt and nut to connect the upper pressing block 5 and the lower pressing body, and in the detection process, the lower pressing body is driven by the driving mechanism to be far away from or close to the upper pressing block 5, so that the upper pressing block 5 and the lower pressing body can be quickly fixed in a gas pipeline, a great deal of gas leakage can be avoided during detection, the safety of workers is ensured, the connection and separation between the quick gas pipeline and the gas pipeline can be realized, the screw and nut are not required to be repeatedly disassembled, time and labor are saved, and the gas pressure detection efficiency of a pipe network can be effectively improved.

On the basis of the embodiment, the pressing body comprises a pair of parallel supporting rods 1, the supporting rods 1 are positioned at the lower ends of the upper pressing blocks 5, and when the gas pipeline to be detected is positioned between the supporting rods 1 and the upper pressing blocks 5 in operation, the supporting rods 1 are driven by the driving mechanism to be far away from or close to the upper pressing blocks 5 so as to loosen or clamp the gas pipeline.

On the basis of the above-described embodiment, the driving mechanism includes a pair of swing arms 2 and a driving portion 3 for driving the swing arms 2 away from or toward each other; the pair of swing arms 2 are respectively hinged to two ends of the same side of the upper pressing body 5, and the pair of support rods 1 are respectively connected to one ends of the pair of swing arms 2 far away from the upper pressing body 5;

specifically, the driving part 3 drives the swing arm 2 to rotate around the hinge point of the swing arm and the upper pressing body 5, so as to drive the support rod 1 to approach to the gas pipeline or separate from the gas pipeline along an arc path.

On the basis of the above embodiment, the driving part 3 includes a telescopic sleeve 302 and a pair of telescopic pup joints 301, the telescopic pup joints 301 are respectively connected to two ends of the telescopic sleeve 302 in a threaded manner, and the threads of the telescopic pup joints 301 are opposite in direction; wherein, a pair of telescopic pup joints 301 are respectively hinged with a pair of swing arms 2;

specifically, the two ends of the telescopic sleeve 302 are provided with internal threads with opposite screw threads, the screw threads of the external threads of the pair of telescopic pup joints 301 are opposite, and a worker drives the pair of telescopic pup joints 301 to enter and exit the telescopic sleeve 302 by rotating the telescopic sleeve 302, so that the pair of swing arms 2 can be driven to be close to or far away from each other.

On the basis of the above embodiment, the surface of the telescopic sleeve 302 is provided with an anti-slip structure; specifically, the outer surface of the telescopic sleeve 302 is provided with anti-skid patterns, so that friction between the hands of the worker and the telescopic sleeve 302 is increased, and the hands of the worker can rotate the telescopic sleeve 302.

On the basis of the embodiment, the pressure detection mechanism comprises a pressure gauge 8 connected to an upper pressing body 5, the upper pressing block 5 is provided with a mounting threaded hole for mounting the pressure gauge 8, and the mounting threaded hole is communicated with the inner cavity so as to directly display the air pressure in the inner cavity, and then the air pressure in the gas pipeline is obtained, so that a power supply can be avoided, and the safety of detecting the gas is ensured; but not limited to this, an air pressure sensor may be selected to enable data transmission with the remote site.

For better technical effect, on the basis of the embodiment, the upper pressing body 5 is detachably connected with the rubber arc groove 4;

specifically, the rubber arc groove 4 is connected to the upper pressing body 5 through a compression screw, the rubber arc groove 4 with different specifications can be replaced, and the radius of the rubber arc groove 4 with different specifications is different so as to be suitable for detecting gas pipelines with different pipe diameters.

On the basis of the embodiment, one end of the operating rod 6, which is positioned outside the upper pressing body 5, is connected with a second driving part 3 for driving the operating rod to rotate; specifically, the second driving portion 3 is a handle 7.

On the basis of the embodiment, an inner hexagonal hole 12 for inserting a prism 13 of a connecting end of a magnetic wrench is formed in the end part of the operating rod 6 at one end of the inner cavity, and a locking threaded hole in which a locking screw 11 is mounted is formed in the side wall of the inner hexagonal hole 12; when the screw locking device works, the locking screw 11 can be disassembled by loosening and tightening the locking screw 11, and the magnetic wrench 14 with different specifications can be replaced, so that the screw locking device is suitable for screw plugs with different specifications; specifically, the magnetic wrench 14 may be a socket wrench or an internal hexagonal wrench that is adapted to a plug.

Preferably, an elastic rubber block is mounted at the lower end of the upper pressing block 5, and one end of the elastic rubber block, which is far away from the upper pressing block 5, is provided with an inward concave arc surface 15 so as to form the rubber arc groove 4.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The gas pipeline investigation equipment comprises an upper pressing body (5) and a lower pressing body, and is characterized by further comprising a driving mechanism and a pressure detection mechanism for detecting the air pressure of an inner cavity of the upper pressing body (5), wherein one side of the lower pressing body is connected with one side of the upper pressing body (5) through the driving mechanism, the upper pressing body (5) is provided with a rubber arc-shaped groove (4) attached to the side surface of a gas pipeline (16), and the rubber arc-shaped groove (4) is provided with an opening communicated with the inner cavity; during detection, the driving mechanism is used for driving the lower pressing body to be close to the upper pressing body (5), so that a gas pipeline (16) arranged in the rubber arc groove (4) is clamped between the upper pressing body (5) and the lower pressing body; the upper pressing body (5) is provided with a slide way (9) which is communicated with the inner cavity and is penetrated with an operating rod (6), a sealing rubber ring (10) is arranged in the slide way (9), and one end of the operating rod (6) positioned in the inner cavity is connected with a magnetic wrench (14) for disassembling a plug (17) positioned on the gas pipeline and positioned in the opening.

2. The gas pipeline inspection device according to claim 1, wherein the pressing body comprises a pair of juxtaposed support rods (1).

3. The gas pipeline inspection device according to claim 2, wherein the driving mechanism includes a pair of swing arms (2) and a driving portion for driving the swing arms (2) away from or toward each other; the swing arms (2) are respectively hinged to two ends of the same side of the upper pressing body (5), and the support rods (1) are respectively connected to one ends, far away from the upper pressing body, of the swing arms (2).

4. A gas pipeline inspection device according to claim 3, wherein the driving part comprises a telescopic sleeve (302) and a pair of telescopic pup joints (301), the telescopic pup joints (301) are respectively connected with two ends of the telescopic sleeve (302) in a threaded manner, and the threads of the telescopic pup joints (301) are opposite in direction; the telescopic pup joint (301) is hinged with the swinging arms (2) respectively.

5. The gas pipeline inspection device according to claim 4, wherein the surface of the telescopic sleeve (302) is provided with an anti-slip structure.

6. The gas pipeline inspection device according to claim 1, wherein the pressure detection mechanism comprises a pressure gauge (8) connected to the upper pressure body.

7. The gas pipeline inspection device according to claim 1, characterized in that the upper press body (5) is detachably connected with the rubber arc groove (4).

8. The gas pipeline inspection device according to claim 1, wherein one end of the operating rod (6) located outside the upper pressing body (5) is connected with a second driving part for driving the operating rod to rotate.

9. The gas pipeline inspection device according to claim 8, wherein the second drive part is a handle (7).

10. The gas pipeline inspection device according to claim 1, wherein an inner hexagonal hole (12) for inserting a prism (13) of a connecting end of a magnetic attraction wrench (14) is formed in one end portion of the operating rod (6) located in the inner cavity, and a threaded hole in which a locking screw (11) is mounted is formed in a side wall of the inner hexagonal hole (12).