Rock-soil energy storage geothermal well pipe descending auxiliary device

Through the design of the support pipe and the fixed plate, combined with the cooperation of the clamping block and the moving block, the geothermal well casing is quickly docked and stably connected, which solves the problem of low connection efficiency in the existing technology, improves stability and saves manpower.

CN223343977UActive Publication Date: 2025-09-16HENAN WANJIANG NEW ENERGY DEV CO LTD
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Patent Information

Application Number
CN202422725527.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-09-16
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing geothermal well casing connection devices require multiple fixing structures, resulting in inefficient and cumbersome connection, and the fixing structures need to be opened cumbersomely after connection.

Method used

The support tube and fixed plate structure are adopted, and the fast docking and stable fixation of the casing are achieved through the cooperation of the clamping block and the moving block. A cone is set at the bottom of the support tube to enhance stability.

Benefits of technology

The efficiency of casing connection is improved, the manpower requirement is reduced, and the stability of the connection and the stability of the entire device are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rock-soil energy storage geothermal well pipe descending auxiliary device, which relates to the technical field of auxiliary devices, and comprises symmetrically arranged supporting pipes, reinforcing pipes and a rotating seat which are oppositely supported are connected between the symmetrical supporting pipes, the reinforcing pipes are oppositely supported at the two ends of the supporting pipes, the rotating seat is rotatably connected with a fixing plate, and the fixing plate is fixedly connected with the supporting pipes. Round holes are formed in the opposite sides of the symmetrical fixing plates, a supporting seat is connected to one end of each fixing plate, and a handle is connected to each supporting seat. According to the rock-soil energy storage geothermal well pipe descending auxiliary device, the oppositely-supported fixing plates are used for clamping and fixing the sleeves, so that the two sleeves can be in butt joint conveniently, the efficiency during connection is improved, the working intensity of workers is relieved, meanwhile, the sleeves can be kept in the center, and the stability during connection is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices, and more specifically to a geothermal downhole pipe auxiliary device for rock and soil energy storage. Background Art

[0002] A heat exchange geothermal well is a system that uses underground heat for heat exchange. It is primarily used for geothermal energy development and utilization, particularly in heating, hot water supply, and power generation. These wells are designed to extract heat from underground reservoirs efficiently and sustainably while minimizing environmental impact.

[0003] After the geothermal well is drilled, the casing needs to be lowered into the hole, and the subsequent casings need to be fixed to the previous casing in sequence to extend the length of the casing. When connecting two casings, it is necessary to ensure that the two casings are located on the same axis to facilitate docking. For example, Chinese patent application number 202321204246.1 discloses a wellhead casing docking device, which includes a base, two arched mounting frames are fixedly installed on the top of the base, a T-shaped mounting frame is provided at the bottom of the arched mounting frame, a first mounting rod is provided on the right side of the T-shaped mounting frame, a first rubber pad is fixedly installed on the right side of the first mounting rod, a first clamping block is provided on the right side of the first mounting rod, and a second mounting rod is fixedly installed on the right side of the T-shaped mounting frame and at the bottom of the first mounting rod. This wellhead casing docking device still has the following problems when used:

[0004] The docking device requires that the two sleeves be aligned and then fixed on the two clamping blocks, and the distance between the two sleeves is reduced by the fourth internal hydraulic rod to achieve connection. Too many positions need to be fixed, making the connection efficiency of the sleeves low. At the same time, after the connection is completed, multiple fixing structures need to be opened cumbersomely.

[0005] Therefore, it is necessary to propose a geothermal downhole pipe auxiliary device for geothermal energy storage to solve the above problems. Utility Model Content

[0006] In response to the above problems, the utility model provides a rock and soil energy storage geothermal downhole pipe auxiliary device, which saves manpower to fix the casing and improves the stability during docking.

[0007] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0008] A geothermal downhole pipe auxiliary device for geothermal energy storage includes symmetrically arranged support pipes, wherein the support pipes are symmetrically connected to a supporting reinforcement pipe and a rotating seat, wherein the supporting reinforcement pipes are located at both ends of the support pipes, and a fixed plate is rotatably connected to the rotating seat, and a circular hole is opened on the opposite side of the symmetrical fixed plate, and one end of the fixed plate is connected to the support seat, and the support seat is connected to a handle;

[0009] The support base has a cavity extending into the fixed plate, the handle is rotatably connected to a rotating rod, one end of the rotating rod extends into the cavity, and the other end of the rotating rod is connected to an unlocking handle;

[0010] The top of the support tube is connected to a card block extending into the cavity, one end of the rotating rod located in the cavity is connected to a driving wheel, a moving block is slidably connected in the cavity, the top of the moving block is provided with a tooth surface portion engaged with the driving wheel, and a spring is connected between one end of the moving block and the inner wall of the cavity.

[0011] Preferably, a first inclined portion is provided on the top of the locking block, and a second inclined portion is provided on the bottom of one end of the moving block facing the locking block.

[0012] Preferably, a roller is provided on the second inclined portion, and the roller comes into contact with the first inclined portion.

[0013] Preferably, cones are evenly distributed on the bottom of the support tube.

[0014] Preferably, the support tube and the reinforcement tube are hollow tubes.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This device is equipped with a supporting fixed plate component on the supporting pipe, which clamps and fixes the sleeve through the supporting fixed plate, so as to facilitate the docking of two sleeves, improve the efficiency of connection, and reduce the work intensity of workers.

[0017] 2. Through the coordinated setting of the clamping block and the moving block, after the fixed plate is closed, the moving block will enter the bottom of the clamping block, and the clamping block will fix the fixed plate, so that the sleeve can be kept in the center, thereby improving the stability of the connection.

[0018] 3. This device is equipped with a conical component at the bottom of the support pipe. When connecting the two sleeves, the cone will be inserted into the nearby soil, which improves the overall stability and avoids the deviation of the fixing plate due to force. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the present utility model;

[0020] Figure 2 It is a top view of the utility model;

[0021] Figure 3 This is a schematic diagram of the fixed plate covering the support tube in the present invention;

[0022] Figure 4 This is a schematic diagram of the driving wheel and moving block structure in the utility model.

[0023] Reference numerals:

[0024] 101. Support tube; 102. Reinforcement tube; 103. Rotating seat; 104. Fixed plate; 105. Support seat; 106. Handle; 107. Cavity; 108. Rotating rod; 109. Unlocking handle; 110. Block; 111. Driving wheel; 112. Moving block; 113. Tooth surface; 114. Spring; 115. First inclined surface; 116. Second inclined surface; 117. Roller; 118. Cone. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-4 , a geothermal energy storage downhole pipe auxiliary device, including symmetrically arranged support pipes 101, the support pipes 101 are placed on the ground, and the cone 118 at the bottom is inserted into the ground below to improve stability. The symmetrical support pipes 101 are connected with supporting reinforcement pipes 102 and rotating seats 103. The supporting reinforcement pipes 102 are located at both ends of the support pipes 101. The rotating seat 103 is rotatably connected with a fixed plate 104. The fixed plate 104 rotates along the rotating seat 103. A circular hole is opened on the opposite side of the symmetrical fixing plate 104. The circular hole is aligned with the outer diameter of the casing to be lowered. Similarly, it is used to clamp the casing. One end of the fixing plate 104 is connected to a support seat 105, and the support seat 105 is connected to a handle 106. The handle 106 is a hollow tube, and the internal hollow part is used to rotate the rotating rod 108. When in use, the circular hole on the fixing plate 104 is aligned with the punched hole, and the fixing plate 104 is opened, and then the casing is placed in the position of the circular hole, and then the fixing plates 104 on both sides are closed. After closing, the casing is fixed, and then a crane is used to suspend another section of the casing on the top of the fixed casing, and then the two casings are connected.

[0027] When in use, it is necessary to keep the two fixing plates 104 in a closed state to improve the stability during docking. The following provides a structure to increase the stability during closing: Figure 3 When in use, the support seat 105 is provided with a cavity 107 extending into the fixed plate 104. The handle 106 is internally connected to a rotating rod 108. The rotating unlocking handle 109 can drive the rotating rod 108 located in the handle 106 to rotate, thereby driving the driving wheel 111 to rotate. One end of the rotating rod 108 extends into the cavity 107, and the other end of the rotating rod 108 is connected to the unlocking handle 109.

[0028] refer to Figure 3 and Figure 4 The top of the support tube 101 is connected to a block 110 extending into the cavity 107, and one end of the rotating rod 108 in the cavity 107 is connected to a driving wheel 111. When the driving wheel 111 rotates, it can drive the moving block 112 to move toward the end away from the block 110. The moving block 112 is slidably connected in the cavity 107, and one end of the moving block 112 can come into contact with the block 110. The top of the moving block 112 is provided with a tooth surface portion 113 that meshes with the driving wheel 111. A spring 114 is connected between one end of the moving block 112 and the inner wall of the cavity 107. The spring 114 is in a compressed state. The spring 114 pushes the moving block 112 to move toward the block 110, thereby inserting into the groove at the bottom of the first inclined portion 115, thereby limiting the fixed plate 104 and preventing the fixed plates 104 on both sides from moving.

[0029] When in use, the fixing plates 104 on both sides need to be closed so that the moving block 112 and the clamping block 110 can be quickly connected together: Figure 3 and Figure 4 Specifically, a first inclined portion 115 is provided on the top of the card block 110, and a second inclined portion 116 is provided on the bottom of the end of the movable block 112 facing the card block 110. The first inclined portion 115 and the second inclined portion 116 slide against each other, so that the movable block 112 can be smoothly connected to the card block 110.

[0030] The following provides a structure for reducing friction between the first slope portion 115 and the second slope portion 116: Figure 3 and Figure 4 Specifically, a roller 117 is provided on the second inclined portion 116. When the first inclined portion 115 and the second inclined portion 116 are about to be connected together, the roller 117 will convert friction into rolling, thereby improving the smoothness of the connection between the moving block 112 and the card block 110, and the roller 117 will come into contact with the first inclined portion 115.

[0031] Specifically, refer to Figure 3The bottom of the support tube 101 is evenly distributed with cones 118, which can be inserted into the nearby soil to improve the overall stability of the device and facilitate the docking of the two sleeves.

[0032] Specifically, refer to Figure 3 The support tube 101 and the reinforcement tube 102 are hollow tubes to reduce the overall weight and facilitate transportation.

[0033] In this embodiment, when in use, the two fixing plates 104 are closed so that the circular holes on the fixing plates 104 are aligned with the opened holes, the symmetrical fixing plates 104 are opened, and the casing to be lowered is lowered into the holes through the holes, and then the fixing plates 104 on both sides are closed so that the fixing plates 104 on both sides fix the casing. At the same time, the moving block 112 and the clamping block 110 come into contact, thereby fixing the fixing plate 104 on the support tube 101. At this time, no worker is required to support it, saving manpower. Then, another section of casing is suspended on the top of the casing by the lifting equipment to connect the two casings. After connection, the unlocking handle 109 is rotated to unlock, thereby opening the fixing plate 104 to connect the next section of casing.

[0034] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A geothermal downhole pipe auxiliary device for geothermal energy storage, characterized by: The invention comprises symmetrically arranged support tubes (101), wherein the support tubes (101) are symmetrically connected with a supporting reinforcement tube (102) and a rotating seat (103), wherein the supporting reinforcement tubes (102) are located at both ends of the support tube (101), and a fixed plate (104) is rotatably connected to the rotating seat (103), and a circular hole is provided on the opposite side of the symmetrical fixed plate (104), and one end of the fixed plate (104) is connected with a support seat (105), and the support seat (105) is connected with a handle (106); The support seat (105) is provided with a cavity (107) extending into the fixed plate (104), the handle (106) is rotatably connected to a rotating rod (108), one end of the rotating rod (108) extends into the cavity (107), and the other end of the rotating rod (108) is connected to an unlocking handle (109); The top of the support tube (101) is connected to a clamping block (110) extending into the cavity (107); one end of the rotating rod (108) located in the cavity (107) is connected to a driving wheel (111); a moving block (112) is slidably connected in the cavity (107); a tooth surface portion (113) meshingly connected to the driving wheel (111) is provided on the top of the moving block (112); and a spring (114) is connected between one end of the moving block (112) and the inner wall of the cavity (107).

2. The rock and soil energy storage geothermal downhole pipe auxiliary device according to claim 1, characterized in that: A first inclined portion (115) is provided on the top of the clamping block (110), and a second inclined portion (116) is provided on the bottom of one end of the moving block (112) facing the clamping block (110).

3. The rock and soil energy storage geothermal downhole pipe auxiliary device according to claim 2, characterized in that: A roller (117) is provided on the second inclined surface (116), and the roller (117) is in contact with the first inclined surface (115).

4. The rock and soil energy storage geothermal downhole pipe auxiliary device according to claim 1, characterized in that: The bottom of the support tube (101) is evenly distributed with cones (118).

5. The rock and soil energy storage geothermal downhole pipe auxiliary device according to claim 1, characterized in that: The support tube (101) and the reinforcement tube (102) are hollow tubes.

Citation Information

Patent Citations

  • Wellhead casing butt joint device

    CN219795180U