Reinforcing device outside mine drainage drill hole casing pipe
By adopting the casing main body, reinforcement cylinder, clamping plate, connecting rod, screw and bevel gear in the mine drainage drilling casing external reinforcement device, stable reinforcement and convenient operation of the casing are achieved, and the current solution is to solve the problem of There are problems of insufficient stability and inconvenient operation in the technology, which improves the stability and safety of the reinforcement device.
Patent Information
- Application Number
- CN202421145011.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2024-12-27
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The structure of the existing mine drainage drilling casing external reinforcement device is a single point of stress, resulting in insufficient stability, inconvenient operation, and a specific wrench is required for adjustment.
A structure including a casing main body, reinforcement cylinder, clamping plate, connecting rod, screw, bevel gear and operating rod is designed. The rotating disc, bevel gear and screw are driven by the operating rod to achieve stable fit and extrusion of the clamping plate. Pressure fixation ensures the uniform force and stable connection between the reinforcement cylinder and the sleeve, and avoids rotation through the fixing mechanism, and combines the rubber-based pressing block and anti-slip embossing to improve operational safety.
The reinforcement cylinder and sleeve are stable and fixed, the structural connection is uniform and balanced, and the operation is simple and convenient, which enhances the stability and operation safety of the reinforcement cylinder and avoids inclined deformation and rotation.
Smart Images

Figure CN222253856U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mines, in particular to an external reinforcement device for a mine water drainage drilling casing. Background Art
[0002] During the drilling process, in order to prevent the collapse of the hole wall, sand (water) gushing, water leakage, or to isolate the water layer, metal or non-metallic pipes are used to go down into the borehole to maintain the borehole and ensure the normal drilling. This technical measure is called casing protection. At present, the casing of the mine drainage borehole is always in a high-pressure environment during use, and it is easy to be damaged by the impact of impurities in the borehole. Therefore, it is necessary to use a reinforcement device to reinforce and protect the casing;
[0003] The existing publication number is CN217001696U, which is a kind of external reinforcement device for the casing of a mine drainage borehole. The reinforcement tube is sleeved on the outer wall of the casing body, and the hexagonal screw threaded on the outer wall of the reinforcement tube drives the clamping plate to move, so that the clamping plate is abutted and fixed with the protective plate of the outer wall of the casing body, so that the reinforcement tube and the casing are kept fixed. Although its structure can abut the clamping plate and the casing body together, the structure is a single-point force structure, so that the force on the upper and lower positions of the entire clamping plate is not uniform and balanced, and the stability is easily insufficient. Moreover, when adjusting the operation, a specific wrench is required to operate, and the convenience of operation is insufficient. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes an external reinforcement device for a mine water drainage borehole casing.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a mine drainage drilling casing external reinforcement device, comprising a casing body, the outer side of the casing body is sleeved with a reinforcement cylinder, the inner side of the reinforcement cylinder is provided with a clamping plate, the clamping plate is fixedly connected with a fixing block, the fixing block is rotatably connected with a connecting rod, the inner surface of the reinforcement cylinder is provided with a groove, a screw rod 1 is rotatably connected in the groove, a screw block is threadedly sleeved on the screw rod 1, one end of the connecting rod is rotatably connected with the screw block, a fixing groove is provided in the reinforcement cylinder, a bevel gear 1 is nested and fixedly connected on the outer surface of the screw rod and located in the fixing groove, a bevel gear 2 meshing with the bevel gear 1 is rotatably connected in the fixing groove, a built-in groove is provided on the outer surface of the reinforcement cylinder, a rotating disk is fixedly connected on the central axis of the bevel gear 2 and located in the built-in groove, an operating rod is fixedly connected to the outer surface of the rotating disk, and a fixing mechanism is provided on the operating rod and the rotating disk.
[0006] As a further description of the above technical solution:
[0007] The fixing block on the clamping plate, the connecting rod and the screw block on the screw rod one are correspondingly arranged in two groups, the thread directions on the upper and lower sides of the screw rod one are set in opposite directions, the two screw blocks and the reverse threads on the upper and lower sides of the screw rod one are correspondingly threadedly connected, and the clamping plate structure and the screw rod one structure are correspondingly arranged in two groups and are located on both sides of the reinforcement tube.
[0008] As a further description of the above technical solution:
[0009] The operating rod is located on one side of the outer surface of the rotating disk and close to the edge.
[0010] As a further description of the above technical solution:
[0011] The fixing mechanism includes a receiving groove arranged on the rotating disk, a clamping block is arranged in the receiving groove, a threaded groove connected to the receiving groove is arranged on the operating rod, a screw rod 2 threadedly connected to the threaded groove is fixedly connected to the clamping block, and an operating wheel is fixedly connected to one end of the screw rod and located at the outer side of the operating rod.
[0012] As a further description of the above technical solution:
[0013] The pressing block is made of rubber.
[0014] As a further description of the above technical solution:
[0015] The outer surface of the operating wheel is provided with anti-skid convex patterns.
[0016] As a further description of the above technical solution:
[0017] A closing plug is nested in the built-in groove.
[0018] The utility model has the following beneficial effects:
[0019] The outer reinforcement device for the casing of a mine drainage borehole can drive the clamping plate to be stably fitted and extruded and fixed on the outside of the casing body through the arrangement of an operating rod, a rotating disk, a bevel gear structure, a screw rod, a screw block, a connecting rod and other structures through an adjustment operation, so that the reinforcing tube and the casing can be stably fixed, and the casing can be reinforced. The structural connection is stable, the operation is simple and convenient, the positioning force is uniformly balanced, and it is not easy to tilt and deform, so the stability of the reinforcement tube can be effectively guaranteed. The arrangement of the fixing mechanism can play a positioning effect on the rotating disk structure, so as to avoid the situation where the operating structure rotates autonomously due to the action of external force, and the arrangement of the closing plug can ensure the safety of the operating structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the overall structure of a mine drainage borehole casing external reinforcement device proposed by the utility model;
[0021] Figure 2 This is a front view of an external reinforcement device for a mine water drainage borehole casing proposed by the utility model;
[0022] Figure 3 The utility model provides a mine drainage drilling casing external reinforcement device Figure 2 A is an enlarged view of the middle image.
[0023] Legend:
[0024] 1. Casing body; 2. Reinforcement tube; 3. Clamping plate; 4. Fixed block; 5. Connecting rod; 6. Groove; 7. Screw rod 1; 8. Screw block; 9. Fixed groove; 10. Bevel gear 1; 11. Bevel gear 2; 12. Built-in groove; 13. Rotating disk; 14. Operating lever; 15. Storage groove; 16. Pressing block; 17. Threaded groove; 18. Screw rod 2; 19. Operating wheel; 20. Closing plug. DETAILED DESCRIPTION
[0025] 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.
[0026] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0027] Reference Figure 1-3The utility model provides an embodiment: a mine drainage borehole casing external reinforcement device, including a casing body 1, a reinforcement tube 2 is sleeved on the outer side of the casing body 1, a clamping plate 3 is arranged on the inner side of the reinforcement tube 2, the clamping plate 3 is arc-shaped, a fixed block 4 is fixedly connected to the clamping plate 3, a connecting rod 5 is rotatably connected to the fixing block 4, a groove 6 is arranged on the inner surface of the reinforcement tube 2, a screw rod 7 is rotatably connected in the groove 6, a screw block 8 is threadedly sleeved on the screw rod 7, the screw block 8 and the inner wall of the groove 6 are nested and slidably connected, one end of the connecting rod 5 is rotatably connected to the screw block 8, the fixing block 4 on the clamping plate 3 is fixedly connected to the fixing block 4 on the fixing block 4, a groove 6 is arranged on the inner surface of the reinforcement tube 2, a screw rod 7 is rotatably connected in the groove 6, a screw block 8 is threadedly sleeved on the screw block 7, the screw block 8 and the inner wall of the groove 6 are nested and slidably connected, one end of the connecting rod 5 is rotatably connected to the screw block 8, the fixing block 4 on the clamping plate 3 is fixedly connected to the fixing block 4 on ... , two groups of connecting rods 5 and screw blocks 8 on screw rod 7 are correspondingly arranged, and the thread directions of upper and lower sides of screw rod 7 are set in opposite directions. The two screw blocks 8 are connected with the reverse threads on the upper and lower sides of screw rod 7 by corresponding threads. When the bidirectional screw rod 7 is running, the two screw blocks 8 can be driven to move synchronously. In this way, the two connecting rods 5 can steadily push the clamping plate 3 to move, which can ensure the uniformity and stability of the clamping and positioning force. Moreover, the coordinated setting of the two clamping plates 3 can ensure the stability of the clamping and positioning of the casing body 1. The clamping plate 3 structure and the screw rod 7 structure are correspondingly arranged in two groups and are located on both sides of the reinforcement tube 2. A fixing groove 9 is provided in the reinforcement cylinder 2, a bevel gear 10 is nested and fixedly connected to the outer surface of the screw 7 and is located in the fixing groove 9, a bevel gear 11 meshing with the bevel gear 10 is rotatably connected in the fixing groove 9, a built-in groove 12 is provided on the outer surface of the reinforcement cylinder 2, a rotating disk 13 is fixedly connected on the central axis of the bevel gear 11 and located in the built-in groove 12, an operating rod 14 is fixedly connected to the outer surface of the rotating disk 13, the operating rod 14 is located on one side of the outer surface of the rotating disk 13 near the edge, and the operating rod 14 is grasped to revolve around the center position of the rotating disk 13, so that the rotating disk 13 can be driven Rotate, the rotating disk 13 drives the bevel gear 2 11 to rotate, the bevel gear 2 11 drives the bevel gear 10 to rotate, the bevel gear 10 drives the screw 17 to rotate, the screw 17 drives the screw block 8 to move, the screw block 8 pushes the connecting rod 5, the connecting rod 5 rotates and extends to open, and pushes the clamping plate 3 to be squeezed and fixed on the surface of the sleeve body 1 to strengthen it. A fixing mechanism is set on the operating rod 14 and the rotating disk 13. The setting of the fixing mechanism can play a positioning effect on the rotating disk 13, avoid the situation where the structure rotates autonomously due to external force during use, and ensure the stability of the positioning of the operating structure.
[0028] The fixing mechanism includes a receiving groove 15 arranged on the rotating disk 13, a clamping block 16 is arranged in the receiving groove 15, a threaded groove 17 connected to the receiving groove 15 is arranged on the operating rod 14, a screw rod 18 threadedly connected to the threaded groove 17 is fixedly connected to the clamping block 16, and an operating wheel 19 is fixedly connected to one end of the screw rod 18 and located at the outer side of the operating rod 14. During operation, the operating wheel 19 is rotated, and the operating wheel 19 drives the screw rod 18 to rotate, and the screw rod 18 drives the clamping block 16 to move, and the clamping block 16 is squeezed onto the inner wall of the built-in groove 12, which can achieve a clamping and positioning effect, so that the rotating disk 13 is not easy to rotate at will. In the same way, it can be loosened, so that the rotating disk 13 can be used for normal rotation.
[0029] The pressing block 16 is made of rubber material, which has a certain anti-slip effect, so that the stability after extrusion positioning can be ensured.
[0030] The outer surface of the operating wheel 19 is provided with anti-skid convex patterns, and the provision of the anti-skid convex patterns can ensure the smoothness of the operating wheel 19 during rotation operation.
[0031] A sealing plug 20 is nested in the built-in groove 12, and the sealing plug 20 can ensure a stable shielding and sealing effect on the built-in groove 12, so that a shielding and protective effect can be provided to the rotating disk 13 structure. Figure 1 As shown, the outer surface of the closing plug 20 is provided with a handle groove, which can facilitate the disassembly and assembly of the closing plug 20.
[0032] Working principle: When using the outer reinforcement device for the mine drainage drilling casing, the reinforcement tube 2 is sleeved on the outside of the casing body 1, and the operating rod 14 is used to drive the rotating disk 13 to rotate, and the rotating disk 13 drives the bevel gear 2 11 to rotate, and the bevel gear 2 11 drives the bevel gear 10 to rotate, and the bevel gear 10 drives the screw 17 to rotate, and the screw 17 drives the screw block 8 to move, and the screw block 8 pushes the connecting rod 5, and the connecting rod 5 rotates and extends to open, pushing the clamping plate 3 to be squeezed and fixed on the surface of the casing body 1 to achieve its reinforcement and enhancement, and the rotating disk 13 is positioned and fixed by the fixing mechanism, so that the stability of the operating structure can be ensured.
[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.
Claims
1. A mine drainage borehole casing external reinforcement device, comprising a casing body (1), characterized in that: The outer side of the sleeve body (1) is sleeved with a reinforcement tube (2), the inner side of the reinforcement tube (2) is provided with a clamping plate (3), the clamping plate (3) is fixedly connected with a fixing block (4), the fixing block (4) is rotatably connected with a connecting rod (5), the inner surface of the reinforcement tube (2) is provided with a groove (6), a screw rod (7) is rotatably connected in the groove (6), a screw block (8) is threadedly sleeved on the screw rod (7), one end of the connecting rod (5) is rotatably connected to the screw block (8), a fixing groove (9) is provided in the reinforcement tube (2), and the fixing block (4) is rotatably connected with a connecting rod (5). The outer surface of the screw rod (7) is nested and fixedly connected with a bevel gear (10) in the fixed groove (9); the fixed groove (9) is rotatably connected with a bevel gear (11) meshing with the bevel gear (10); the outer surface of the reinforcement cylinder (2) is provided with a built-in groove (12); a rotating disk (13) is fixedly connected on the central axis of the bevel gear (11) and located in the built-in groove (12); the outer surface of the rotating disk (13) is fixedly connected with an operating rod (14); and a fixing mechanism is provided on the operating rod (14) and the rotating disk (13).
2. The mine drainage borehole casing external reinforcement device according to claim 1, characterized in that: The fixing block (4) and the connecting rod (5) on the clamping plate (3) and the screw block (8) on the screw rod (7) are arranged in two groups correspondingly, the thread directions on the upper and lower sides of the screw rod (7) are arranged in opposite directions, and the two screw blocks (8) are connected to the reverse threads on the upper and lower sides of the screw rod (7) in a corresponding threaded manner. The clamping plate (3) structure and the screw rod (7) structure are arranged in two groups correspondingly and are located at two sides of the reinforcing tube (2).
3. The mine drainage borehole casing external reinforcement device according to claim 1, characterized in that: The operating rod (14) is located on one side of the outer surface of the rotating disk (13) and close to the edge.
4. The outer reinforcement device for a mine drainage borehole casing according to claim 1, characterized in that: The fixing mechanism comprises a receiving groove (15) arranged on the rotating disk (13), a pressing block (16) being arranged in the receiving groove (15), a threaded groove (17) communicating with the receiving groove (15) being arranged on the operating rod (14), a second screw rod (18) being threadedly connected to the threaded groove (17) being fixedly connected to the pressing block (16), and an operating wheel (19) being fixedly connected to one end of the second screw rod (18) and located outside the operating rod (14).
5. The outer reinforcement device for a mine drainage borehole casing according to claim 4, characterized in that: The pressing block (16) is made of rubber.
6. The outer reinforcement device for a mine drainage borehole casing according to claim 4, characterized in that: The outer surface of the operating wheel (19) is provided with anti-skid convex patterns.
7. The mine drainage borehole casing external reinforcement device according to claim 1, characterized in that: A closing plug (20) is nested in the built-in groove (12).
