Dewatering well pipe descending device convenient to adjust

The adjustable downhole pipe device addresses labor-intensive and safety issues in well pipe lowering by using a controlled hoist system with rollers and support bars, enhancing efficiency and safety in dewatering operations.

CN222295038UActive Publication Date: 2025-01-03BEIJING URBAN CONSTR EXPLORATION & SURVEYING DESIGN RES INST
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Patent Information

Application Number
CN202420979644.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-01-03
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

Traditional methods for lowering well pipes in dewatering require multiple people, are labor-intensive, prone to manual errors, and can lead to safety hazards due to the risk of wire rope loss and inability to lift in abnormal situations.

Method used

An adjustable downhole pipe device with a support cross bar, rollers, and a hoist system controlled by a controller, allowing single-person operation and stable lowering and lifting of well pipes.

Benefits of technology

Enhances efficiency and safety by enabling single-person operation, reducing the risk of wire rope slippage, and facilitating controlled lowering and lifting of well pipes in various conditions.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222295038U_ABST
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Abstract

The utility model discloses a dewatering well pipe descending device convenient to adjust, and relates to the field of building construction. The dewatering well downhole well casing device convenient to adjust comprises a first support transverse rod, a second support transverse rod and a steel wire rope, a first support longitudinal rod is fixedly arranged between the first support transverse rod and the second support transverse rod, and the first support transverse rod and the second support transverse rod stretch across the top of a dewatering well. According to the dewatering well pipe descending device convenient to adjust, the controller controls the elevator body to lower the steel wire rope, the well descending pipe moves into the well, the steps are circulated according to different dewatering well depths till well pipe descending is finished, after well pipe descending is finished, a buckle at the end of the steel wire rope is unfastened, and the controller controls the elevator body to lift the steel wire rope; the problems that the steel wire rope is prone to slipping out of the hand and not easy to control in the well casing descending process of a precipitation well are solved, lifting of the steel wire rope is facilitated, and labor is saved conveniently.
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Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to an underground well pipe device for dewatering wells which is easy to adjust. Background Art

[0002] At present, most underground projects (open excavation foundation pits, dark excavation foundation pits and tunnels of urban rail transit, etc.) require dewatering. In the process of dewatering well construction, the lowering of the well pipe is usually done by manually pulling the steel wire rope. The traditional method has certain disadvantages during use. It requires the cooperation of multiple people during the construction process, which wastes manpower and makes the efficiency low. In addition, the steel wire rope is easily lost when pulled manually, which may cause hidden dangers such as failure of lowering the pipe. In addition, it cannot be lifted in abnormal situations, which is inconvenient to use. Therefore, a well pipe device for dewatering well that is easy to adjust is proposed to solve the above problems. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model provides an easily adjustable downhole pipe device for dewatering a well, which solves the problems mentioned in the above background technology that the prior art requires the cooperation of multiple people, wastes manpower, makes the efficiency low, and the manual pulling of the wire rope is prone to slipping out of the hands, which may cause hidden dangers such as failure in lowering the pipe, and the lifting process cannot be carried out when encountering abnormal situations.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a well pipe device for lowering water that is easy to adjust, comprising:

[0005] A first support cross bar, a second support cross bar and a steel wire rope, a first support longitudinal bar is fixedly arranged between the first support cross bar and the second support cross bar, and the first support cross bar and the second support cross bar span the top of the dewatering well, the steel wire rope is movably sleeved on the outer wall of the well pipe, a driving unit is arranged between the first support cross bar and the second support cross bar, the driving unit includes a connecting box and a hoist body, the hoist body is fixedly arranged on the top of the connecting box, and one end of the steel wire rope enters the connecting box and is connected to the output end of the hoist body.

[0006] Preferably, a third bracket longitudinal rod is fixedly arranged between the first bracket cross rod and the second bracket cross rod, and a first roller is fixedly installed on the outer wall of the third bracket longitudinal rod, a groove is opened on the outer wall of the first roller, and the wire rope is movably clamped in the groove opened on the outer wall of the first roller.

[0007] Preferably, a fourth bracket longitudinal rod is fixedly arranged between the first bracket cross rod and the second bracket cross rod, a second roller is fixedly arranged on the outer wall of the fourth bracket longitudinal rod, the steel wire rope is movably sleeved on the outer wall of the second roller, and one end of the steel wire rope is fixed to the outer wall of the steel wire rope by a buckle.

[0008] Preferably, a plug hole is provided through the top of the connection box, a fixing bolt is movably inserted into the inner wall of the plug hole, a fixing hole is provided on the outer wall of the longitudinal rod of the first bracket, and the bottom thread of the fixing bolt is tightened in the fixing hole.

[0009] Preferably, a second bracket longitudinal bar is fixedly arranged between the first bracket cross bar and the second bracket cross bar, and the connection box is located above the second bracket longitudinal bar.

[0010] Preferably, a controller is fixedly mounted on the top of the connection box.

[0011] The utility model discloses an adjustable downhole pipe device for lowering water wells, which has the following beneficial effects: the adjustable downhole pipe device for lowering water wells is arranged with a connection relationship between a connecting box, a hoisting machine body, a wire rope, a first roller, a buckle and a second roller, the downhole pipe is placed on the wire rope between the first roller and the second roller, the hoisting machine body is controlled by a controller to lower the wire rope, so that the downhole pipe moves into the well, and the above steps are repeated according to different downhole well depths until the downhole pipe is lowered. After the downhole pipe is lowered, the buckle at the end of the wire rope is unlocked, and the hoisting machine body is controlled by the controller to lift the wire rope so that the wire rope can be pulled out and retracted, which is conducive to solving the problem that the downhole pipe is easy to slip out of the hands and difficult to control during the downhole pipe lowering process, and is convenient for lifting the wire rope, which is convenient for saving labor and improving efficiency, and can be used for lifting other heavy objects, and has wide applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the connection box of the utility model;

[0015] Figure 3 This is a schematic diagram of the longitudinal rod structure of the fourth bracket of the utility model.

[0016] In the figure: 1. first bracket cross bar; 2. second bracket cross bar; 3. first bracket longitudinal bar; 4. second bracket longitudinal bar; 5. third bracket longitudinal bar; 6. fourth bracket longitudinal bar; 7. connecting box; 8. hoist body; 9. wire rope; 10. first roller; 11. buckle; 12. controller; 13. socket; 14. fixing hole; 15. fixing bolt; 16. second roller. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0018] The utility model discloses a downhole pipe device for dewatering that is easy to adjust. Figure 1-3 As shown, including:

[0019] The first bracket cross bar 1, the second bracket cross bar 2 and the wire rope 9, the first bracket longitudinal rod 3 is fixedly arranged between the first bracket cross bar 1 and the second bracket cross bar 2, and the first bracket cross bar 1 and the second bracket cross bar 2 span the top of the dewatering well to support each structure, the wire rope 9 is movably sleeved on the outer wall of the lower well pipe, and the wire rope 9 is placed at the bottom of the lower well pipe to support the lower well pipe, so as to facilitate the control of the descending state of the lower well pipe, and a driving unit is arranged between the first bracket cross bar 1 and the second bracket cross bar 2, and the driving unit includes It includes a connecting box 7 and a hoist body 8. The hoist body 8 is fixedly arranged on the top of the connecting box 7, and one end of the wire rope 9 enters the connecting box 7 and is connected to the output end of the hoist body 8. By starting the hoist body 8, the wire rope 9 is lowered to the depth of a well pipe, so that the well pipe moves into the dewatering well through the action of gravity. After connecting the next well pipe, the hoist body 8 is continuously started to lower the depth of a well pipe, so that another well pipe moves into the well, and the above steps are repeated according to different dewatering well depths until the well pipe is lowered.

[0020] A third bracket longitudinal rod 5 is fixedly arranged between the first bracket cross rod 1 and the second bracket cross rod 2, and a first roller 10 is fixedly installed on the outer wall of the third bracket longitudinal rod 5. A groove is provided on the outer wall of the first roller 10, and the wire rope 9 is movably connected in the groove provided on the outer wall of the first roller 10, so as to limit the movement path of the wire rope 9, reduce the phenomenon of the wire rope 9 moving randomly and deviating from the bottom of the well pipe, improve its stability, and further reduce the friction force of the third bracket longitudinal rod 5 on the wire rope 9, which is beneficial to increase the service life of the wire rope 9.

[0021] A fourth bracket longitudinal rod 6 is fixedly arranged between the first bracket cross bar 1 and the second bracket cross bar 2, and a second roller 16 is fixedly arranged on the outer wall of the fourth bracket longitudinal rod 6. The wire rope 9 is movably sleeved on the outer wall of the second roller 16, and one end of the wire rope 9 is fixed to the outer wall of the wire rope 9 by a buckle 11, which limits one end of the wire rope 9 and supports the bottom of the well pipe. When the well pipe is lowered, the buckle 11 at the end of the wire rope 9 is unfastened, and the hoist body 8 is started to drive the wire rope 9 to move upward so that the wire rope 9 can be completely pulled out.

[0022] A plug hole 13 is provided through the top of the connection box 7, and a fixing bolt 15 is movably inserted into the inner wall of the plug hole 13. A fixing hole 14 is provided on the outer wall of the first bracket longitudinal rod 3, and the bottom thread of the fixing bolt 15 is tightened in the fixing hole 14, so that the connection box 7 and the hoist body 8 are fixedly installed between the first bracket cross bar 1 and the second bracket cross bar 2, thereby improving their stability in use.

[0023] A second bracket longitudinal bar 4 is fixedly arranged between the first bracket cross bar 1 and the second bracket cross bar 2 . The connection box 7 is located above the second bracket longitudinal bar 4 and supports the connection box 7 and the hoist body 8 .

[0024] A controller 12 is fixedly installed on the top of the connection box 7, which is used to control and adjust the switches of the connection box 7 and the hoist body 8 and the lifting and lowering wire rope 9.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A well pipe device for a dewatering well that is easy to adjust, comprising a first support cross bar (1), a second support cross bar (2) and a steel wire rope (9), wherein a first support longitudinal rod (3) is fixedly arranged between the first support cross bar (1) and the second support cross bar (2), and the first support cross bar (1) and the second support cross bar (2) are across the top of the dewatering well, and the steel wire rope (9) is movably sleeved on the outer wall of the well pipe, characterized in that: A driving unit is arranged between the first support cross bar (1) and the second support cross bar (2), the driving unit comprising a connection box (7) and a hoist body (8), the hoist body (8) is fixedly arranged on the top of the connection box (7), and one end of the steel wire rope (9) enters the connection box (7) and is connected to the output end of the hoist body (8); A third bracket longitudinal rod (5) is fixedly arranged between the first bracket transverse rod (1) and the second bracket transverse rod (2), and a first roller (10) is fixedly installed on the outer wall of the third bracket longitudinal rod (5), a groove is provided on the outer wall of the first roller (10), and the steel wire rope (9) is movably clamped in the groove provided on the outer wall of the first roller (10); A fourth bracket longitudinal rod (6) is fixedly arranged between the first bracket transverse rod (1) and the second bracket transverse rod (2); a second roller (16) is fixedly arranged on the outer wall of the fourth bracket longitudinal rod (6); the steel wire rope (9) is movably sleeved on the outer wall of the second roller (16), and one end of the steel wire rope (9) is fixed to the outer wall of the steel wire rope (9) by a buckle (11).

2. The adjustable downhole pipe device for dewatering according to claim 1 is characterized in that: The top of the connection box (7) is provided with a plug hole (13) extending therethrough, the inner wall of the plug hole (13) is movably plugged with a fixing bolt (15), the outer wall of the first bracket longitudinal rod (3) is provided with a fixing hole (14), and the bottom of the fixing bolt (15) is threadedly screwed into the fixing hole (14).

3. The adjustable downhole pipe device for dewatering according to claim 2 is characterized in that: A second bracket longitudinal bar (4) is fixedly arranged between the first bracket transverse bar (1) and the second bracket transverse bar (2), and the connection box (7) is located above the second bracket longitudinal bar (4).

4. The adjustable downhole pipe device for dewatering according to claim 3 is characterized in that: A controller (12) is fixedly mounted on the top of the connection box (7).