Device for detecting deformation of shaft of underground gas storage well

Abstract

The utility model relates to the technical field of gas storage well detection, and discloses an underground gas storage well shaft deformation detection device which comprises a shell, a sealing cover is arranged at the top of the shell, a wireless alarm is fixedly installed at the top of the sealing cover, and a detection mechanism is arranged in the shell. According to the detection device for deformation of the shaft of the underground gas storage well, the detection mechanism is arranged, a sealing cover is opened, the shaft is fixed in the shell through a fixing rod and then placed underground, when the shaft does not deform, a spring extrudes and pushes a fixing column to normally store gas in the shaft, and when the shaft deforms, the deformed shaft part protrudes and then pushes a push plate; and then the fixed column triggers the alarm button, the wireless alarm triggers the position where the alarm button sends out an electric signal according to shaft deformation, information about where the shaft deforms is transmitted to a control room, and the detection mechanism can continuously and accurately detect the shaft deformation condition.

Description

Technical Field

[0001] The utility model relates to the technical field of gas storage well detection, in particular to a detection device for deformation of a wellbore of an underground gas storage well. Background Art

[0002] An underground gas storage well refers to a "tubular device" that is buried vertically underground and fully filled and sealed with cement slurry between the wellbore and the well wall, and is used to store compressed gas. It belongs to the "fixed pressure vessel category, high-pressure vessel variety". Due to long-term storage underground, the wellbore is subjected to oxidation and natural vibrations, and the wellbore itself may be deformed, resulting in gas leakage in the barrel. Therefore, a device for detecting barrel deformation is needed, that is, a detection device for underground gas storage well wellbore deformation. The device mainly measures the cross-sectional diameter of the outer wall or inner wall of the wellbore and compares it with the original diameter to detect whether the wellbore is deformed.

[0003] After searching, a Chinese utility model patent with patent number CN215493343U discloses an underground gas storage well bore detection device, which belongs to the field of gas storage well bore detection technology. The underground gas storage well bore detection device includes a detection structure and a walking mechanism. The detection structure includes a cavity and a sealing member. A plurality of ultrasonic sensors are fixedly mounted on the surface of the cavity. The sealing member is threadedly connected to the end of the connecting pipe. The walking mechanism includes a telescopic member, a driving motor and a connecting rod. The telescopic member is fixed to the outer surface of the cavity. The fixed block is fixed to the end of the telescopic member. The end of the output shaft of the driving motor passes through the cavity and extends to the outside. The connecting rod is rotatably connected to the inside of the groove. Traveling wheels are fixed at both ends of the connecting rod, and the connecting rod and the driving motor are connected by a transmission member. The utility model is convenient for detecting the concave or convex position inside the wellbore, and is simpler and more convenient to use. However, the detection structure and the walking mechanism can only be opened and sealed to be placed in the device for detection after the gas in the gas storage well is completely released, which is extremely cumbersome and cannot be continuously detected. Although the telescopic parts, driving motor and connecting rod in the walking mechanism can be walked on the inner wall of the wellbore for detection, the walking wheels around the walking mechanism are easy to tilt and slide, and parallel detection cannot be guaranteed, which will cause errors in the detection results of the ultrasonic sensor and inaccurate detection results. Therefore, a detection device for deformation of the wellbore of an underground gas storage well is proposed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a detection device for underground gas storage wellbore deformation which can continuously detect and provide accurate detection results.

[0006] (II) Technical solution

[0007] According to the technical solution provided in the embodiment of the present application: a device for detecting deformation of the shaft of an underground gas storage well, comprising a shell, a sealing cover is provided on the top of the shell, a wireless alarm is fixedly installed on the top of the sealing cover, a detection mechanism is provided inside the shell, the detection mechanism includes a movable groove, a fixed plate, a spring, a fixed column, a push plate and an alarm button, a movable groove is opened inside the shell, a fixed plate is fixedly installed on the inner wall of the shell, a spring is provided at the bottom of the fixed plate, a fixed column is fixedly installed at the bottom of the spring, a push plate is fixedly installed at the bottom of the fixed column, and an alarm button is provided inside the shell.

[0008] Furthermore, a connection hole adapted to the fixing column is provided on the outside of the fixing plate, and the connection hole enables the fixing column to pass through the fixing plate and contact the alarm button.

[0009] Furthermore, a movable hole adapted to the fixing column is provided on the outside of the shell, and the movable hole enables the fixing column to move in the movable groove.

[0010] Furthermore, four fixing rods are fixedly installed on the outside of the shell, and a wellbore is fixedly installed on one end of the four fixing rods away from the shell. The four fixing rods are fixedly connected to the wellbore so that the shaking of the wellbore does not affect the deformation detection result.

[0011] Furthermore, the siren button is electrically connected to the wireless siren, so that the siren button can transmit an electrical signal to the wireless siren in time to sound an alarm.

[0012] Furthermore, the number of the detection mechanisms is thirty-six, and the thirty-six detection mechanisms are evenly distributed outside the wellbore. The thirty-six detection mechanisms can cover most areas outside the wellbore and effectively detect whether the wellbore is deformed.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a detection device for underground gas storage well shaft deformation, which has the following beneficial effects:

[0015] The underground gas storage well shaft deformation detection device is provided with a detection mechanism, a sealing cover is opened, the shaft is fixed inside a shell body by a fixing rod and then put into the ground; when the shaft is not deformed, a spring squeezes and pushes a fixing column to store gas in the shaft normally; when the shaft is deformed, the deformed shaft part bulges and then pushes a push plate, and then the fixing column triggers an alarm button; a wireless alarm sends an electrical signal according to the part where the shaft deformation triggers the alarm button, and transmits information on where the shaft is deformed to a control room; this detection mechanism can continuously and accurately detect shaft deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a three-dimensional diagram of the structure of the utility model;

[0017] Figure 2 This is a top view of the structure of the utility model;

[0018] Figure 3 The utility model structure Figure 2 Enlarged view of point A in the middle.

[0019] In the figure: 1. Shell; 2. Sealing cover; 3. Wireless alarm; 4. Detection mechanism; 401. Movable groove; 402. Fixed plate; 403. Spring; 404. Fixed column; 405. Push plate; 406. Alarm button; 5. Fixed rod; 6. Wellbore. DETAILED DESCRIPTION

[0020] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0022] A device for detecting deformation of an underground gas storage wellbore, such as Figure 2 As shown, it includes a shell 1, the material of the shell 1 is ordinary steel, which is conducive to protecting the wellbore 6 and buffering impact. A sealing cover 2 is arranged on the top of the shell 1, and the sealing cover 2 can secondary seal the gas in the gas storage well to avoid a large amount of leakage. A wireless alarm 3 is fixedly installed on the top of the sealing cover 2. The model of the wireless alarm 3 is HT-9110G. A detection mechanism 4 is arranged inside the shell 1. The detection mechanism 4 includes a movable groove 401, a fixing plate 402, a spring 403, a fixing column 404, a push plate 405 and an alarm button 406. The shell 1 is provided with an movable Groove 401, a fixing plate 402 is fixedly installed on the inner wall of the shell 1, the material of the fixing plate 402 is plastic, and the hardness is sufficient to save costs, a spring 403 is arranged at the bottom of the fixing plate 402, a fixing column 404 is fixedly installed at the bottom of the spring 403, the fixing column 404 is composed of a small cylinder and a large cylinder, a push plate 405 is fixedly installed at the bottom of the fixing column 404, and the push plate 405 is close to the wellbore 6. The side of the wellbore 6 is an arc surface, and an alarm button 406 is arranged inside the shell 1, and the alarm button 406 is a special alarm switch for the wireless alarm 3.

[0023] When implementing, follow these steps:

[0024] 1) First, open the sealing cover 2, fix the wellbore 6 inside the housing 1 through the fixing rod and then put it into underground storage;

[0025] 2) Then, when the wellbore 6 is not deformed, the spring 403 continues to squeeze and push out the fixed column 404, and the wellbore 6 stores gas normally;

[0026] 3) Then, when the shaft 6 is deformed, the bulge of the deformed shaft 6 pushes the push plate 405, and the fixed column 404 is pushed synchronously, and the fixed column 404 presses the alarm button 406;

[0027] 4) Finally, the wireless alarm 3 triggers the alarm button 406 to send an electrical signal according to the deformation of the wellbore 6, and transmits the information of where the wellbore 6 is deformed to the control room.

[0028] In summary, the detection device for the deformation of the wellbore of the underground gas storage well is provided with a detection mechanism 4, the sealing cover 2 is opened, the wellbore 6 is fixed inside the shell 1 by a fixing rod and then put into the ground, when the wellbore 6 is not deformed, the spring 403 squeezes and pushes the fixing column 404 to make the wellbore 6 store gas normally, when the wellbore 6 is deformed, the deformed part of the wellbore 6 bulges and then pushes the push plate 405, and then the fixing column 404 triggers the alarm button 406, and the wireless alarm 3 transmits the information of where the wellbore 6 is deformed to the control room according to the part where the alarm button 406 is triggered by the deformation of the wellbore 6 to send an electrical signal, and the information of where the wellbore 6 is deformed is transmitted to the control room, The detection mechanism 4 can continuously and accurately detect the deformation of the wellbore 6, which solves the problem that the detection structure and the walking mechanism in the Chinese utility model patent with patent number CN215493343U can only be opened and placed in the device for detection after the gas in the gas storage well is completely released, which is extremely cumbersome and cannot be continuously detected. Although the telescopic parts, drive motors and connecting rods in the walking mechanism can be walked on the inner wall of the wellbore for detection, the walking mechanism is surrounded by walking wheels that are easy to tilt and slide, and parallel detection cannot be guaranteed, which will lead to errors in the detection results of the ultrasonic sensor and inaccurate detection results.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting deformation of an underground gas storage wellbore, comprising a housing (1), characterized in that: A sealing cover (2) is arranged on the top of the housing (1), a wireless alarm (3) is fixedly mounted on the top of the sealing cover (2), and a detection mechanism (4) is arranged inside the housing (1); The detection mechanism (4) comprises a movable groove (401), a fixed plate (402), a spring (403), a fixed column (404), a push plate (405) and an alarm button (406); the movable groove (401) is provided inside the shell (1); the fixed plate (402) is fixedly installed on the inner wall of the shell (1); the bottom of the fixed plate (402) is provided with a spring (403); the bottom of the spring (403) is fixedly installed with a fixed column (404); the bottom of the fixed column (404) is fixedly installed with a push plate (405); and the inside of the shell (1) is provided with an alarm button (406).

2. The device for detecting deformation of an underground gas storage wellbore according to claim 1, characterized in that: The fixing plate (402) is provided with a connection hole on the outside thereof that matches the fixing column (404).

3. The device for detecting deformation of an underground gas storage wellbore according to claim 1, characterized in that: The exterior of the housing (1) is provided with a movable hole adapted to the fixing column (404).

4. The device for detecting deformation of an underground gas storage wellbore according to claim 1, characterized in that: Four fixing rods (5) are fixedly mounted on the outside of the housing (1), and a wellbore (6) is fixedly mounted on one end of the four fixing rods away from the housing (1).

5. The device for detecting deformation of an underground gas storage wellbore according to claim 1, characterized in that: The siren button (406) is electrically connected to the wireless siren (3).

6. The device for detecting deformation of an underground gas storage wellbore according to claim 4, characterized in that: The number of the detection mechanisms (4) is thirty-six, and the thirty-six detection mechanisms (4) are evenly distributed outside the wellbore (6).

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