Anti-falling steel sleeve for karst pile foundation construction

Abstract

The utility model provides a karst pile foundation construction anti-drop steel sleeve, which comprises a steel sleeve body, the steel sleeve body comprises a fixed cylinder and a support cylinder, an arc-shaped seat is movably arranged between the fixed cylinder and the support cylinder, the support cylinder and the fixed cylinder are respectively provided with a fixed hole, the inner wall of each fixed hole is provided with a threaded hole, and the inner wall of each threaded hole is provided with a threaded hole. Fixing bolts are rotatably installed in the fixing holes and the threaded holes, a fixing base is fixed to one end of the fixing cylinder, a supporting base is fixed to one end of the supporting cylinder, and fixing grooves are formed in the side edges of the supporting base and the fixing base. According to the anti-falling steel sleeve for karst pile foundation construction, when the anti-falling steel sleeve is used, the arc-shaped bases make contact with one another to form a ring base, the arc-shaped bases are matched with the fixing grooves through the fixing blocks to achieve limiting of left and right torsion, and meanwhile the mounting columns are matched with the mounting holes to achieve rapid connection of the supporting cylinder and the fixing cylinder; and meanwhile, the supporting cylinder and the fixing cylinder are vertically limited and fixed, so that later installation and use are facilitated.

Description

Technical Field

[0001] The utility model relates to the field of steel sleeve equipment, in particular to an anti-falling steel sleeve for karst pile foundation construction. Background Art

[0002] Karst is the long-term geological action of surface water and groundwater on soluble rocks, mainly dissolution, and the various karst phenomena formed. Pile foundation construction in karst areas has always been a difficult problem. The caves will have an adverse effect on the stress condition of the foundation piles. Steel sleeves are required for karst pile foundations. The existing steel sleeves generally have the problem of insufficient strength, are easily deformed during use, and two adjacent steel sleeves cannot be connected.

[0003] According to the patent document with the existing publication number CN216892382U, an anti-overturning and anti-falling cylinder sleeve suitable for karst pile foundation is disclosed, which includes a first steel sleeve body, a second steel sleeve body and a connecting assembly, and also includes a connecting pipe, the first steel sleeve body is connected to the second steel sleeve body through the connecting pipe, the first steel sleeve body and the second steel sleeve body are jointly installed with a connecting assembly, the connecting assembly includes a first fastener, a second fastener and a bolt, the first fastener and the second fastener are jointly fastened on the first steel sleeve body and the second steel sleeve body, when the technical solution is in use, the connecting pipe is threadedly connected to the first steel sleeve body and the second steel sleeve body respectively, through the design of the connecting pipe, the tightness between the first steel sleeve body and the second steel sleeve body is further improved, and the adjacent two steel sleeves can be connected through the design of the card slot and the card, with respect to the above technical solution, although the scheme realizes the connection of the steel sleeve, it needs to be connected by rotation during the connection, the weight of the steel sleeve is heavy, it is not convenient for the subsequent rotation installation, and there is inconvenience when in use. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a steel sleeve for preventing karst pile foundation construction to solve the problems raised in the above-mentioned background technology. The utility model has a novel structure. When in use, the arc seats are contacted to form a ring seat. The arc seats are matched with the fixing blocks and the fixing grooves to achieve the limitation of the left and right torques. At the same time, the limiting columns and limiting holes on the fixing blocks realize the quick connection between the supporting tube and the fixing tube, which is convenient for the later installation and use.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a karst pile foundation construction anti-falling steel sleeve, including a steel sleeve body, the steel sleeve body including a fixed tube and a supporting tube, an arc seat is movably installed between the fixed tube and the supporting tube, the supporting tube and the fixed tube are both provided with fixing holes, the inner walls of the fixing holes are provided with threaded holes, fixing bolts are rotatably installed inside the fixing holes and the threaded holes, a fixing seat is fixed to one end of the fixing tube, a supporting seat is fixed to one end of the supporting tube, and fixing grooves are provided on the sides of the supporting seat and the fixed seat.

[0006] Furthermore, a limiting hole is opened inside the fixing groove, an opening is opened inside the supporting seat, and a connecting tube is fixed inside the fixing seat.

[0007] Furthermore, the connecting tube is movably installed inside the opening, and both ends of the fixing tube and the supporting tube are provided with mounting holes, and the mounting holes are connected to the threaded holes.

[0008] Furthermore, mounting columns are welded to both ends of the arc-shaped seat, and one end of the mounting column is movably mounted inside the mounting hole.

[0009] Furthermore, a fixing block is welded on the inner wall of the arc-shaped seat, a limiting column is welded on the inner wall of the fixing block, and the limiting column is movably installed inside the limiting hole.

[0010] Furthermore, a connecting hole is formed on the mounting column, and the connecting hole matches the threaded hole.

[0011] The beneficial effects of the utility model: the utility model provides an anti-falling steel sleeve for karst pile foundation construction, comprising a fixing tube; a supporting tube; an arc-shaped seat; a fixing seat; a supporting seat; an opening; a connecting tube; a fixing hole; a fixing bolt; a threaded hole; a fixing groove; a limiting hole; a mounting hole; a mounting column; a connecting hole; a fixing block; and a limiting column.

[0012] 1. This anti-falling steel sleeve for karst pile foundation construction forms a ring seat by contacting the arc seats when in use. The arc seats cooperate with the fixing grooves through the fixing blocks to limit the left and right torques. At the same time, the mounting columns and mounting holes cooperate to realize the quick connection between the supporting tube and the fixing tube. At the same time, the supporting tube and the fixing tube are fixed with upper and lower limits, which is convenient for later installation and use.

[0013] 2. This anti-falling steel sleeve for karst pile foundation construction, after the arc seat is installed between the supporting tube and the fixed tube, the diameter of the arc seat is the same as the diameter of the supporting tube and the fixed tube, thereby avoiding the appearance of a convex point when the steel sleeve is connected, and facilitating the subsequent descending movement between the steel sleeves.

[0014] 3. The anti-falling steel sleeve for karst pile foundation construction, the arc seat realizes multi-point support installation with the supporting tube and the fixing tube through the fixing block and the mounting column, provides sufficient supporting force for the supporting tube and the fixing tube, thereby improving the durability of the supporting tube and the fixing tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a karst pile foundation construction anti-falling steel sleeve of the utility model;

[0016] Figure 2 This is an enlarged structural diagram of the support seat of a karst pile foundation construction anti-falling steel sleeve of the utility model;

[0017] Figure 3 This is a structural schematic diagram of an arc-shaped seat of an anti-falling steel sleeve for karst pile foundation construction according to the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of an arc-shaped seat connection of an anti-falling steel sleeve for karst pile foundation construction according to the utility model;

[0019] In the figure: 1. fixing cylinder; 2. supporting cylinder; 3. arc seat; 4. fixing seat; 5. supporting seat; 6. opening; 7. connecting cylinder; 8. fixing hole; 9. fixing bolt; 10. threaded hole; 11. fixing groove; 12. limiting hole; 13. mounting hole; 14. mounting column; 15. connecting hole; 16. fixing block; 17. limiting column. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a karst pile foundation construction anti-falling steel sleeve, comprising a steel sleeve body, the steel sleeve body comprising a fixing sleeve 1 and a supporting sleeve 2, an arc seat 3 is movably installed between the fixing sleeve 1 and the supporting sleeve 2, a fixing hole 8 is opened on the supporting sleeve 2 and the fixing sleeve 1, a threaded hole 10 is opened on the inner wall of the fixing hole 8, and a fixing bolt 9 is rotatably installed inside the fixing hole 8 and the threaded hole 10, one end of the fixing sleeve 1 is fixed with a fixing seat 4, one end of the supporting sleeve 2 is fixed with a supporting seat 5, the sides of the supporting seat 5 and the fixing seat 4 are both opened with a fixing groove 11, the interior of the fixing groove 11 is opened with a limiting hole 12, the interior of the supporting seat 5 is opened with an opening 6, and the interior of the fixing seat 4 is fixed with a connecting sleeve 7, after the connecting sleeve 7 is inserted into the interior of the supporting seat 5, it provides supporting force between the supporting seat 5 and the fixing seat 4 from the inside, so as to avoid deformation caused by pressure at the positions of the supporting sleeve 2 and the fixing sleeve 1.

[0022] In this embodiment, the connecting tube 7 is movably installed inside the opening 6, and both ends of the fixing tube 1 and the supporting tube 2 are provided with mounting holes 13, and the mounting holes 13 are connected to the threaded holes 10. Both ends of the arc seat 3 are welded with mounting columns 14, and one end of the mounting column 14 is movably installed inside the mounting hole 13. A fixing block 16 is welded on the inner wall of the arc seat 3, and a limiting column 17 is welded on the inner wall of the fixing block 16, and the limiting column 17 is movably installed inside the limiting hole 12. A connecting hole 15 is opened on the mounting column 14, and the connecting hole 15 cooperates with the threaded hole 10. The fixing bolt 9 is installed inside the connecting hole 15 through the threaded hole 10, and the fixing bolt 9 provides upper and lower limit fixation for the mounting column 14, which is convenient for the rapid installation and disassembly of the arc seat 3 in the later stage.

[0023] When the device is in use, the arc seat 3 is first installed inside the mounting hole 13 through the mounting column 14, and then the support tube 2 is installed on the arc seat 3 from the top of the arc seat 3, and the mounting column 14 at the top position of the arc seat 3 is installed inside the mounting hole 13 inside the support tube 2. When the support tube 2 and the fixed tube 1 are connected up and down, the arc seat 3 is installed oppositely to form a ring seat installed on the support tube 2 and the fixed tube 1, and the fixing block 16 and the limiting column 17 are first inserted into the inside of the fixing groove 11, and then the mounting column 14 is installed between the mounting holes 13. When the support tube 1 is installed downward on the fixed tube 1, the connecting tube 7 on the fixed seat 4 is installed inside the opening 6 inside the support seat 5, and the connecting tube 7 is inserted into the After reaching the inside of the support seat 5, a supporting force is provided from the inside between the support seat 5 and the fixed seat 4 to avoid deformation caused by pressure at the position of the support tube 2 and the fixed tube 1. Then one end of the fixing bolt 9 is installed in the threaded hole 10 and the connecting hole 15 at the same time, and the mounting column 14 is limited up and down. The mounting column 14 is the upper and lower limit between the support tube 2 and the fixed tube 1. The fixing block 16 and the fixing groove 11 cooperate to limit and fix the torque between the support tube 2 and the fixed tube 2. After the arc seat 3 is installed between the support tube 2 and the fixed tube 1, the diameter of the arc seat 3 is the same as the diameter of the support tube 2 and the fixed tube 1, thereby avoiding the appearance of a convex point when the steel sleeve is connected, which is convenient for the later downward movement between the steel sleeves.

[0024] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A karst pile foundation construction anti-falling steel sleeve, comprising a steel sleeve body, characterized in that: The steel sleeve body comprises a fixed cylinder (1) and a supporting cylinder (2), an arc seat (3) is movably installed between the fixed cylinder (1) and the supporting cylinder (2), a fixing hole (8) is opened on the supporting cylinder (2) and the fixed cylinder (1), a threaded hole (10) is opened on the inner wall of the fixing hole (8), and a fixing bolt (9) is rotatably installed inside the fixing hole (8) and the threaded hole (10), a fixed seat (4) is fixed to one end of the fixed cylinder (1), and a supporting seat (5) is fixed to one end of the supporting cylinder (2), and fixing grooves (11) are opened on the sides of the supporting seat (5) and the fixed seat (4).

2. The anti-falling steel sleeve for karst pile foundation construction according to claim 1 is characterized by: A limiting hole (12) is formed inside the fixing groove (11), an opening (6) is formed inside the supporting seat (5), and a connecting tube (7) is fixed inside the fixing seat (4).

3. The anti-falling steel sleeve for karst pile foundation construction according to claim 2 is characterized by: The connecting tube (7) is movably mounted inside the opening (6); both ends of the fixing tube (1) and the supporting tube (2) are provided with mounting holes (13); and the mounting holes (13) are connected to the threaded holes (10).

4. The anti-falling steel sleeve for karst pile foundation construction according to claim 1 is characterized by: Both ends of the arc-shaped seat (3) are welded with mounting columns (14), and one end of the mounting column (14) is movably mounted inside the mounting hole (13).

5. The anti-falling steel sleeve for karst pile foundation construction according to claim 1 is characterized by: A fixing block (16) is welded on the inner wall of the arc-shaped seat (3), a limiting column (17) is welded on the inner wall of the fixing block (16), and the limiting column (17) is movably mounted inside the limiting hole (12).

6. The anti-falling steel sleeve for karst pile foundation construction according to claim 4 is characterized by: The mounting column (14) is provided with a connecting hole (15), and the connecting hole (15) matches with the threaded hole (10).

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