Guide pipe connecting structure for underwater cast-in-place concrete pile construction
By using a combined connection method of slots and installation grooves, threaded rings and thread sleeves, and threaded rods and nuts in the conduit connection structure, the problem of existing conduit connections being easy to slide or fall off during underwater concrete cast pile construction is solved, and the stability and sealing of conduit connections are achieved.
Patent Information
- Application Number
- CN202420872296.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing conduit connection method is prone to slide or fall off during underwater concrete cast pile construction, resulting in unstable connection.
The connection structure including a catheter tube body, a threaded ring, a threaded sleeve, a threaded rod and a nut is adopted. The threaded connection between the slot and the installation groove, the threaded connection between the threaded ring and the threaded sleeve, and the through-through of the threaded rod and the nut are ensured to ensure a stable connection between the catheter.
The stability of the conduit connection is achieved, preventing sliding or falling off, and ensuring sealing and connection reliability during underwater concrete filling.
Smart Images

Figure CN222632248U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of conduit connection structures, in particular to a conduit connection structure for underwater concrete cast-in-place pile construction. Background Art
[0002] Concrete pouring conduits are used for underwater pouring of bored piles in large bridge projects, railway projects, highway projects, hydropower projects and high-rise foundations. Underwater concrete pouring is a method of pouring concrete through vertical pipes, relying on the concrete's own weight.
[0003] In the prior art, during the concrete pouring process, due to the long pile body and the empty pile height, which is generally fifty or sixty meters, and the length of each conduit section is only three or four meters, it is necessary to connect the conduits together, and at the same time, the sealing of the conduits needs to be ensured. The existing connection methods are mostly threaded or flange connections. When lifting the conduit, the threaded connection is easy to slide, and the flange connection is easy to fall off. Therefore, a conduit connection structure for underwater concrete cast-in-place pile construction is proposed to solve the above problems. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a conduit connection structure for underwater concrete cast-in-place pile construction, which has the advantage of stable connection and solves the problem of sliding or falling off.
[0005] To achieve the above object, the utility model provides the following technical solution: a conduit connection structure for underwater concrete cast-in-place pile construction, comprising a conduit body, the outside of the conduit body is connected with a threaded ring, the outside of the conduit body is connected with a threaded sleeve, the inside of the threaded ring and the threaded sleeve is connected with a threaded rod, and the outside of the threaded rod is connected with a nut;
[0006] The interior of the catheter body is provided with a mounting groove, the interior of the catheter body is connected with a sealing ring, and the interior of the catheter body is provided with a slot;
[0007] A first threaded hole is formed inside the threaded ring, and a second threaded hole is formed inside the threaded sleeve.
[0008] Furthermore, the installation groove is located on the inner side of the upper end of the catheter body, and the sealing ring is located below the installation groove.
[0009] Furthermore, the slot is located outside the lower end of the catheter body, the length of the slot is consistent with the length of the mounting groove, and the inner diameter of the slot is consistent with the outer diameter of the mounting groove.
[0010] Furthermore, the threaded ring is located at the upper end of the catheter body, the upper surface of the threaded ring is flush with the upper surface of the catheter body, the first threaded holes penetrate the threaded ring from top to bottom, and the first threaded holes are distributed equidistantly in a ring shape.
[0011] Furthermore, the threaded sleeve is located at the lower end of the catheter body, the inner top wall of the threaded sleeve is flush with the top wall of the slot, the second threaded holes penetrate the threaded sleeve from top to bottom, and the second threaded holes are distributed in a circular shape with equal spacing.
[0012] Furthermore, the threaded rod passes through the threaded ring through the first threaded hole, the threaded rod passes through the threaded sleeve through the second threaded hole, and the nut is threadedly connected to the lower end of the threaded rod.
[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0014] 1. The conduit connection structure for underwater concrete pile construction, the two conduit bodies can be threadedly connected with the installation groove through the slot, which is the first step of connecting the two conduit bodies, and the two conduit bodies can be threadedly connected through the threaded ring and the threaded sleeve, which is the second step of connecting the two conduit bodies.
[0015] 2. The conduit connection structure for underwater concrete pile construction can prevent the two conduit bodies from sliding relative to each other through the threaded rod, which is also the third step of connecting the two conduit bodies, thereby preventing the two conduit bodies from falling off from each other. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the connection state structure of the utility model.
[0019] In the figure: 1 catheter body, 101 mounting groove, 102 sealing ring, 103 slot, 2 threaded ring, 201 first threaded hole, 3 threaded sleeve, 301 second threaded hole, 4 threaded rod, 5 nut. DETAILED DESCRIPTION
[0020] 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.
[0021] See also Figure 1-3 A catheter connection structure for underwater concrete cast-in-place pile construction includes a catheter body 1, an installation groove 101 is opened inside the catheter body 1, a sealing ring 102 is connected inside the catheter body 1, and the sealing ring 102 can ensure good sealing between the two catheter bodies 1, a slot 103 is opened inside the catheter body 1, a threaded ring 2 is connected outside the catheter body 1, a first threaded hole 201 is opened inside the threaded ring 2, a threaded sleeve 3 is connected outside the catheter body 1, a second threaded hole 301 is opened inside the threaded sleeve 3, a threaded rod 4 is connected inside the threaded ring 2 and the threaded sleeve 3, and a nut 5 is connected outside the threaded rod 4.
[0022] See also Figure 1-3 The mounting groove 101 is located on the inner side of the upper end of the catheter body 1, the sealing ring 102 is located below the mounting groove 101, the slot 103 is located on the outer side of the lower end of the catheter body 1, the length of the slot 103 is consistent with the length of the mounting groove 101, the inner diameter of the slot 103 is consistent with the outer diameter of the mounting groove 101, and the slot 103 and the mounting groove 101 of the catheter body 1 are both provided with threads, so the two catheter bodies 1 can be threadedly connected with the mounting groove 101 through the slot 103, which is the first step of connecting the two catheter bodies 1.
[0023] See also Figure 1-3 The threaded ring 2 is located at the upper end of the catheter body 1, and the upper surface of the threaded ring 2 is flush with the upper surface of the catheter body 1. The threaded sleeve 3 is located at the lower end of the catheter body 1, and the inner top wall of the threaded sleeve 3 is flush with the top wall of the slot 103. The outer wall of the threaded ring 2 is provided with threads, and the inner wall of the threaded sleeve 3 is provided with threads, so the two catheter bodies 1 can be threadedly connected through the threaded ring 2 and the threaded sleeve 3, which is the second step of connecting the two catheter bodies 1.
[0024] See also Figure 1-3 The first threaded hole 201 penetrates the threaded ring 2 from top to bottom, and the first threaded holes 201 are distributed in a circular shape with equal spacing. The second threaded holes 301 penetrate the threaded sleeve 3 from top to bottom, and the second threaded holes 301 are distributed in a circular shape with equal spacing. The threaded rod 4 penetrates the threaded ring 2 through the first threaded hole 201, and the threaded rod 4 penetrates the threaded sleeve 3 through the second threaded hole 301. The nut 5 is threadedly connected to the lower end of the threaded rod 4. The threaded rod 4 can prevent the two catheter tube bodies 1 from sliding relative to each other, and is also the third step of connecting the two catheter tube bodies 1, so that the two catheter tube bodies 1 can be prevented from falling off from each other.
[0025] When implementing, follow these steps:
[0026] 1) First, the two conduit bodies 1 are threadedly connected to the mounting grooves 101 through the slots 103;
[0027] 2) At the same time, the two catheter bodies 1 are threadedly connected through the threaded ring 2 and the threaded sleeve 3;
[0028] 3) Then make the threaded rod 4 pass through the threaded sleeve 3 and the threaded ring 2;
[0029] 4) Finally, the nut 5 is threadedly connected to the lower end of the threaded rod 4.
[0030] In summary, in the catheter connection structure for underwater concrete cast-in-place pile construction, the installation groove 101 is located on the inner side of the upper end of the catheter body 1, the sealing ring 102 is located below the installation groove 101, the slot 103 is located on the outer side of the lower end of the catheter body 1, the length of the slot 103 is consistent with the length of the installation groove 101, the inner diameter of the slot 103 is consistent with the outer diameter of the installation groove 101, and threads are provided at the slot 103 and the installation groove 101 of the catheter body 1, so the two catheter bodies 1 can be threadedly connected with the installation groove 101 through the slot 103, which is the first step of connecting the two catheter bodies 1, the threaded ring 2 is located at the upper end of the catheter body 1, the upper surface of the threaded ring 2 is flush with the upper surface of the catheter body 1, the threaded sleeve 3 is located at the lower end of the catheter body 1, and the inner top wall of the threaded sleeve 3 is flush with the inner top wall of the slot 103. The top walls are flush, the outer wall of the threaded ring 2 is provided with threads, and the inner wall of the threaded sleeve 3 is provided with threads, so the two catheter tube bodies 1 can be threadedly connected through the threaded ring 2 and the threaded sleeve 3, which is the second step of connecting the two catheter tube bodies 1. The first threaded hole 201 penetrates the threaded ring 2 from top to bottom, and the first threaded holes 201 are equidistantly distributed in a ring shape. The second threaded holes 301 penetrate the threaded sleeve 3 from top to bottom, and the second threaded holes 301 are equidistantly distributed in a ring shape. The threaded rod 4 penetrates the threaded ring 2 through the first threaded hole 201, and the threaded rod 4 penetrates the threaded sleeve 3 through the second threaded hole 301. The nut 5 is threadedly connected to the lower end of the threaded rod 4. The threaded rod 4 can prevent the two catheter tube bodies 1 from displacing and sliding against each other, which is also the third step of connecting the two catheter tube bodies 1, so the two catheter tube bodies 1 can be prevented from falling off from each other.
[0031] In addition, the two catheter tube bodies 1 are first threadedly connected to the installation groove 101 through the slot 103, and the interior of the catheter tube body 1 is connected with a sealing ring 102. The sealing ring 102 can ensure good sealing between the two catheter tube bodies 1. At the same time, the two catheter tube bodies 1 are threadedly connected through the threaded ring 2 and the threaded sleeve 3, and then the threaded rod 4 penetrates the threaded sleeve 3 and the threaded ring 2. Finally, the nut 5 is threadedly connected to the lower end of the threaded rod 4. The threaded rod 4 can prevent the two catheter tube bodies 1 from sliding relative to each other, and is also the third step of connecting the two catheter tube bodies 1. Therefore, the two catheter tube bodies 1 can be prevented from falling off from each other, solving the problem of sliding or falling off.
[0032] It should be noted that the detailed description of known functions and known parts is omitted in this article. The electrical components appearing in this article are all connected to the external controller and the 220V mains, and the controller can be used as a computer to control conventional known equipment. In this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A conduit connection structure for underwater concrete pile construction, comprising a conduit body (1), characterized in that: The outside of the catheter body (1) is connected to a threaded ring (2), the outside of the catheter body (1) is connected to a threaded sleeve (3), the insides of the threaded ring (2) and the threaded sleeve (3) are connected to a threaded rod (4), and the outside of the threaded rod (4) is connected to a nut (5); The catheter tube body (1) is provided with a mounting groove (101) inside, the catheter tube body (1) is connected with a sealing ring (102) inside, and the catheter tube body (1) is provided with a slot (103) inside; The threaded ring (2) has a first threaded hole (201) formed inside, and the threaded sleeve (3) has a second threaded hole (301) formed inside.
2. A conduit connection structure for underwater concrete pile construction according to claim 1, characterized in that: The installation groove (101) is located on the inner side of the upper end of the catheter body (1), and the sealing ring (102) is located below the installation groove (101).
3. The conduit connection structure for underwater concrete pile construction according to claim 1, characterized in that: The slot (103) is located outside the lower end of the catheter body (1), the length of the slot (103) is consistent with the length of the mounting groove (101), and the inner diameter of the slot (103) is consistent with the outer diameter of the mounting groove (101).
4. The conduit connection structure for underwater concrete pile construction according to claim 1, characterized in that: The threaded ring (2) is located at the upper end of the catheter body (1), the upper surface of the threaded ring (2) is flush with the upper surface of the catheter body (1), the first threaded holes (201) penetrate the threaded ring (2) from top to bottom, and the first threaded holes (201) are distributed in a circular shape with equal spacing.
5. The conduit connection structure for underwater concrete pile construction according to claim 1, characterized in that: The threaded sleeve (3) is located at the lower end of the catheter body (1), the inner top wall of the threaded sleeve (3) is flush with the top wall of the slot (103), the second threaded holes (301) penetrate the threaded sleeve (3) from top to bottom, and the second threaded holes (301) are distributed in an annular shape with equal spacing.
6. The conduit connection structure for underwater concrete pile construction according to claim 1, characterized in that: The threaded rod (4) passes through the threaded ring (2) through the first threaded hole (201), the threaded rod (4) passes through the threaded sleeve (3) through the second threaded hole (301), and the nut (5) is threadedly connected to the lower end of the threaded rod (4).