Earthquake underground fluid comprehensive wellhead device

Abstract

The utility model relates to the technical field of underground fluid monitoring, and discloses an earthquake underground fluid comprehensive well head device which comprises a well head and a sealing cover assembly arranged at the upper end of the well head, a supporting assembly is fixedly installed on the periphery of the upper end of the well head, and a hoisting assembly is fixedly installed in the middle of the top end of the supporting assembly. The circular well cover is conveniently fixed at a well mouth, the upper cover of the circular well cover also adopts a semicircular split design, half or all of the circular well cover can be conveniently rotated, water level calibration work is facilitated, the well mouth can be fully protected from falling off foreign matters, sensor cables are fixed through the cable fixing mechanisms, and four sensor cables can be simultaneously fixed through the upper and lower layers of cable fixing mechanisms. The cables are not intertwined with each other, so that a wellhead is protected, the problem of fixing a sensor circuit is solved, a sensor mounting scheme is optimized, and station operation and maintenance and water level calibration work are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of underground fluid monitoring, in particular to a comprehensive wellhead device for underground fluids in earthquakes. Background Art

[0002] Groundwater level and water temperature monitoring is the most common and mature observation technology in seismic underground fluid observation technology. There are more than 500 measuring points for water level and water temperature observation across the country, but there is no unified technical requirement for the wellhead cable fixing method. Most sites across the country fix the observation sensor cables through simple bundling, winding, etc., and the wellheads of seismic monitoring wells are required to be covered, but at the same time, the wellheads cannot be completely sealed to prevent air pressure from affecting water level changes. As a result, many stations will use cardboard, newspapers, etc. for covering.

[0003] At present, the existing wellhead equipment has poor scalability and can only fix one sensor and cable. If there are multiple sensors in a well, the cables will be tangled and tangled, and it is difficult to thread the cables through the fixed pulley. Downhole sensors are often lowered for more than 200 meters, and the reserved cable length is also relatively long. It is difficult to thread the cables into the fixed pulley, and it is even more inconvenient to replace sensors and cables.

[0004] Therefore, we propose a comprehensive wellhead device for seismic underground fluids in order to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the utility model is to provide a comprehensive seismic underground fluid wellhead device to solve the problem that the existing wellhead device proposed in the above-mentioned background technology has poor expansibility and can only fix one sensor and cable. If there are multiple sensors in a well, the cables will be tangled and tangled, and it is difficult to thread the cables through the fixed pulley. The downhole sensor is often lowered for more than meters, and the reserved cable length is also relatively long. It is difficult to thread the cable into the fixed pulley, and it is even more inconvenient to replace the sensor and the cable.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a comprehensive wellhead device for seismic underground fluid, comprising a wellhead and a sealing assembly arranged at the upper end of the wellhead, a supporting assembly is fixedly installed around the upper end of the wellhead, and a hoisting assembly is fixedly installed at the middle of the top end of the supporting assembly;

[0007] The cover assembly comprises a first semicircular block and a limit buckle fixedly mounted on one side of the outer wall of the first semicircular block, the other end of the first semicircular block is hingedly connected to the second semicircular block by a hinge, an L-shaped block is fixedly mounted on one end of the outer wall of the second semicircular block, a square clamping rod is movably mounted on the middle of the L-shaped block, and movable parts are arranged on one side of the upper ends of the outer walls of the first semicircular block and the second semicircular block, and a semicircular rotating disk is movably mounted on the upper end of the movable part;

[0008] The support assembly comprises a square bottom plate and long connecting rods fixedly mounted on the four corners of the upper end of the square bottom plate, and a round cover is fixedly mounted on the top of the long connecting rods;

[0009] A reinforcing steel pipe is fixedly installed in the middle of the inner wall of the upper end of the connecting long rod, vertical plates are fixedly installed at the upper and lower ends of the middle of the inner wall of the connecting long rod, a measuring scale is fixedly installed in the middle of the inner wall of the reinforcing steel pipe, and wire fixers are installed at both ends of one side of the vertical plate through threaded columns.

[0010] Furthermore, the hoisting assembly includes a mounting hook and an open fixed pulley fixedly mounted on the lower end of the mounting hook.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The round manhole cover adopts an opening and closing design, which is convenient for fixing at the wellhead. The upper cover of the round manhole cover also adopts a semi-circular split design, which can be easily rotated to open half or all of it. It is convenient for water level calibration and can fully protect the wellhead from falling foreign objects, thus realizing the protection of the wellhead and improving the safety of daily use of the wellhead.

[0013] 2. The sensor cables are fixed by the wire fixing mechanism. The upper and lower wire fixing mechanisms can fix four sensor cables at the same time. The cables are not entangled with each other, which solves the problem of sensor line fixation, optimizes the sensor installation plan, and facilitates station operation and maintenance and water level calibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the cover assembly of the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the support assembly of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the lifting assembly of the utility model.

[0018] In the figure: 1. wellhead; 2. cover assembly; 21. first semicircular block; 22. second semicircular block; 23. limit buckle; 24. L-shaped block; 25. square clamping rod; 26. movable part; 27. semicircular rotating disk; 3. support assembly; 31. square bottom plate; 32. connecting long rod; 33. round cover; 34. reinforced steel pipe; 35. vertical plate; 36. measuring scale; 37. wire holder; 4. lifting assembly; 41. mounting hook; 42. open fixed pulley. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1: Please refer to Figure 1-3 A seismic underground fluid integrated wellhead device comprises a wellhead 1 and a cap assembly 2 arranged at the upper end of the wellhead 1, a support assembly 3 is fixedly installed around the upper end of the wellhead 1, and a hoisting assembly 4 is fixedly installed in the middle of the top of the support assembly 3.

[0021] The sealing cover assembly 2 includes a first semicircular block 21 and a limit buckle 23 fixedly installed on one side of the outer wall of the first semicircular block 21, the other end of the first semicircular block 21 is hinged with the second semicircular block 22 through a hinge, an L-shaped block 24 is fixedly installed on one end of the outer wall of the second semicircular block 22, a square clamping rod 25 is movably installed in the middle of the L-shaped block 24, and a movable part 26 is provided on one side of the upper end of the outer wall of the first semicircular block 21 and the second semicircular block 22, and a semicircular rotating disk 27 is movably installed on the upper end of the movable part 26.

[0022] During the installation and use of the cover assembly 2, the position of the semicircular rotating disk 27 can be adjusted according to the fixed positions of the connecting long rods 32 on the four corners of the upper end of the square bottom plate 31, so that the cross grooves on the upper end of the semicircular rotating disk 27 correspond to the connecting long rods 32 respectively, for easy installation of the wiring harness.

[0023] The supporting assembly 3 comprises a square bottom plate 31 and long connecting rods 32 fixedly mounted on the four corners of the upper end of the square bottom plate 31 , and a round sealing cover 33 is fixedly mounted on the top of the long connecting rod 32 .

[0024] In this embodiment: the sealing component 2 adopts an opening and closing design, the sealing component 2 is convenient to be fixed on the wellhead 1, and the upper cover of the sealing component 2 also adopts a semi-circular split design, which can be conveniently rotated to open half or all, which is convenient for water level calibration and can fully protect the wellhead 1 from falling foreign objects, thereby realizing the protection of the wellhead 1 and improving the safety of daily use of the wellhead 1.

[0025] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 4 A reinforcing steel pipe 34 is fixedly installed in the middle of the inner wall of the upper end of the connecting long rod 32, a vertical plate 35 is fixedly installed at the upper and lower ends of the middle of the inner wall of the connecting long rod 32, a measuring scale 36 is fixedly installed in the middle of the inner wall of the reinforcing steel pipe 34, and wire fixers 37 are installed at both ends of one side of the vertical plate 35 through threaded columns.

[0026] The hoisting assembly 4 includes a mounting hook 41 and an open fixed pulley 42 fixedly mounted on the lower end of the mounting hook 41 .

[0027] In this embodiment: the sensor cables are fixed by the cable fixers 37. The upper and lower layers of the cable fixers 37 can fix four sensor cables at the same time. The cables are not entangled with each other, which solves the problem of fixing the sensor lines, optimizes the sensor installation plan, and facilitates station operation and maintenance and water level calibration.

[0028] Working principle: The square bottom plate 31 is welded with four stainless steel pipes, and the bottom is fixed on the ground. It is suitable for wellheads 1 of different apertures and has strong versatility. A reinforced steel pipe 34 is arranged in the middle of the connecting long rod 32. The cover assembly 2 adopts an opening and closing design, which is convenient for fixing the cover assembly 2 on the wellhead 1. The upper cover of the cover assembly 2 also adopts a semi-circular split design, which can be easily rotated to open half or all, which is convenient for water level calibration and can fully protect the wellhead 1 from falling foreign objects. The sensor cable is fixed by the cable fixer 37. The upper and lower layers of the cable fixer 37 can fix four sensor cables at the same time without entanglement between the cables.

[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A seismic underground fluid integrated wellhead device, comprising a wellhead (1) and a sealing assembly (2) arranged at the upper end of the wellhead (1), characterized in that: A support assembly (3) is fixedly installed around the upper end of the wellhead (1), and a hoisting assembly (4) is fixedly installed in the middle of the top end of the support assembly (3); The cover assembly (2) comprises a first semicircular block (21) and a limit buckle (23) fixedly mounted on one side of the outer wall of the first semicircular block (21); the other end of the first semicircular block (21) is hingedly connected to the second semicircular block (22) via a hinge; an L-shaped block (24) is fixedly mounted on one end of the outer wall of the second semicircular block (22); a square clamping rod (25) is movably mounted in the middle of the L-shaped block (24); movable parts (26) are arranged on one side of the upper ends of the outer walls of the first semicircular block (21) and the second semicircular block (22); a semicircular rotating disk (27) is movably mounted on the upper end of the movable part (26); The support assembly (3) comprises a square bottom plate (31) and long connecting rods (32) fixedly mounted on the four corners of the upper end of the square bottom plate (31), and a round sealing cover (33) is fixedly mounted on the top of the long connecting rod (32); A reinforcing steel pipe (34) is fixedly mounted in the middle of the inner wall at the upper end of the connecting long rod (32), a vertical plate (35) is fixedly mounted at the upper and lower ends of the inner wall in the middle of the connecting long rod (32), a measuring scale (36) is fixedly mounted in the middle of the inner wall of the reinforcing steel pipe (34), and a wire fixer (37) is mounted at both ends of one side of the vertical plate (35) via a threaded column.

2. A comprehensive wellhead device for seismic underground fluid according to claim 1, characterized in that: The hoisting assembly (4) comprises a mounting hook (41) and an open fixed pulley (42) fixedly mounted on the lower end of the mounting hook (41).

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