Novel prestressed pipe pile

Abstract

The utility model discloses a novel prestressed pipe pile which is provided with a pile body bottom rod, the top end of the pile body bottom rod is connected with an extension pile body, clamping grooves are formed in the extension pile body and the pile body bottom rod, and pouring through holes are evenly formed in the extension pile body and the pile body bottom rod. The cross recess knob is rotated to drive the threaded sleeve to descend, so that the moving rods are inserted into the through grooves, connection limiting of the clamping blocks and the clamping grooves is achieved, the moving rods penetrate into the through grooves to push the limiting blocks to be connected with the limiting grooves, and connection limiting and mutual clamping fixing of the pile body bottom rod and the extension pile body are achieved; connection of the extension pile body and the pile body bottom rod is increased, so that the contact area is increased, stability of the extension pile body and the pile body bottom rod after connection is improved, displacement in the vertical direction is avoided, meanwhile, multiple sets of bolts are not needed, operation is simple and easy, one-step operation is achieved, and the overall disassembly and assembly efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe piles, in particular to a novel prestressed pipe pile. Background Art

[0002] Prestressed concrete pipe piles can be divided into post-tensioned prestressed pipe piles and pre-tensioned prestressed pipe piles. Pre-tensioned prestressed pipe piles are hollow cylindrical slender concrete prefabricated components made by pre-tensioned prestressing technology and centrifugal forming method. They are mainly composed of cylindrical pile body, end plate and steel hoop.

[0003] Chinese patent authorization announcement number CN21358289U discloses a new type of prestressed pipe pile, including a pile body, the outer surface of the pile body is provided with a groove A, and the inner side wall of the groove A is connected to a fixed plate, the outer side wall of the fixed plate is provided with a through hole, the outer wall of the open end of the groove A is provided with a groove B, and the inner side wall of the groove B is detachably connected to a connecting frame. The utility model inserts the connecting frame into the inner side wall of the groove B, and then rotates the rotating plate along the rotating axis so that the rotating plates are close to each other, and then the bolts B can be used for sealing and tightening, and then the connecting rod is passed through the through hole and the connecting rod and the fixed plate can be detachably connected by the bolts A, so as to realize the connection and tightening between the pile bodies, and the whole process is carried out inside the grooves A and B, avoiding protrusion outside the outer side wall of the pile body, thereby reducing the pressure of the rotating plate in the vertical direction, and is suitable for being widely promoted and used;

[0004] The above-mentioned prior art solution has the following shortcomings: during the splicing process of the pipe pile, the rotating plate is fixed to the outside of the two pile bodies by bolts, and then the connecting rod 5 is fixed to the outside of the two pile bodies by multiple sets of bolts. When multiple sets of pile bodies are spliced, multiple sets of bolts are rotated to connect, which is cumbersome and inconvenient to separate later. In order to improve this problem, it is necessary to design a new type of prestressed pipe pile to solve it. Utility Model Content

[0005] The utility model aims to provide a novel prestressed pipe pile to solve the problem that it is complicated to splice multiple groups of bolts proposed in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a novel prestressed pipe pile, provided with a pile body bottom rod, the top end of the pile body bottom rod is connected to an extended pile body, and the extended pile body and the pile body bottom rod are both provided with a clamping groove inside, and the extended pile body and the pile body bottom rod are both evenly provided with casting through holes inside;

[0007] The utility model comprises: an extension seat, which is installed at the top of the extension pile body and the pile body bottom rod, a connection groove is provided on the inner side of the extension pile body, and the connection groove is connected to the extension seat, a clamping block is connected to the bottom end of the extension pile body, and the clamping block is connected to the clamping groove, a support seat is fixed on the outer side of the pile body bottom rod, and positioning holes are evenly arranged inside the support seat;

[0008] The connecting mechanism is arranged inside the clamping block, and the connecting mechanism realizes the connection between the extended pile body and the pile body bottom rod and achieves the effect of preventing deviation in the vertical direction.

[0009] When a new type of prestressed pipe pile of the present technical solution is used, the threaded sleeve is driven down by rotating the cross-slot knob, so that the movable rods are all inserted into the interior of the through-slot, thereby limiting the connection between the clamping block and the clamping slot, the pile body bottom rod and the extended pile body, and they are mutually engaged and fixed without the aid of multiple sets of bolts. The operation is simple and easy, and can be completed in one step, effectively improving the overall disassembly and assembly efficiency.

[0010] Preferably, the connecting mechanism includes a receiving groove arranged inside the extended pile body, and the interior of the receiving groove is connected to a threaded rod, the outer side of the threaded rod is threadedly connected to a threaded sleeve, the interior of the clamping block is evenly connected to a moving rod, and connecting blocks are fixed at both ends of the moving rod, the interior of the clamping block is evenly connected to a first spring, and the first spring is connected to one side of the connecting block, the interior of the pile body bottom rod is evenly provided with through grooves, the clamping blocks penetrate the interior of the through grooves, the outer side of the threaded sleeve is fitted with one side of the moving rod, the interior of the extended pile body is provided with a second installation groove, and the second installation groove is connected to the interior of the clamping groove, and the interior of the clamping groove is connected to a cross groove knob.

[0011] Preferably, four groups of the first springs are arranged inside the block, and each group of the block is provided with two first springs. When one side of the moving rod is in contact with the outer side of the threaded sleeve, the first springs are in a stretched state.

[0012] Preferably, the inside of the pile body bottom rod and the extended pile body are uniformly provided with first mounting grooves, and the inside of the first mounting grooves are connected with T-shaped plates, the outside of the T-shaped plates inside the first mounting grooves are connected with second springs, the through grooves are communicated with the inside of the first mounting grooves, one side of the T-shaped plates are uniformly connected with limiting blocks, the inside of the extended pile body is uniformly provided with limiting grooves, and the limiting grooves are connected to the limiting blocks, and one side of the T-shaped plates is fitted with the accommodating grooves.

[0013] Preferably, the cross-sectional size of the through groove is equal to the cross-sectional size of the moving rod, and the moving rod is arranged and distributed in a cross shape on the outer side of the threaded sleeve.

[0014] Preferably, the cross-section of the clamping block and the cross-section of the threaded sleeve are both arranged to be square, and the cross-section of the bottom end of the threaded sleeve is arranged to be trapezoidal.

[0015] Preferably, the cross-section of the extension seat is set to be rectangular, and the size of the connecting groove matches the size of the extension seat.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the new prestressed pipe pile achieves a stable splicing effect;

[0017] By rotating the cross-slot knob to drive the threaded sleeve to descend, the moving rods are inserted into the interior of the through slots to achieve the limit of the connection between the clamping block and the clamping slot, and as the moving rod goes deeper into the interior of the through slots, the limit block is pushed to connect with the limit slots to achieve the limit connection between the pile body bottom rod and the extended pile body, which are mutually engaged and fixed, thereby increasing the contact area between the extended pile body and the pile body bottom rod, improving the stability after the extended pile body and the pile body bottom rod are connected, and avoiding displacement in the vertical direction. At the same time, there is no need to use multiple sets of bolts, which is simple and easy to operate and can be completed in one step, effectively improving the overall disassembly and assembly efficiency;

[0018] The bottom rod of the pile is penetrated into the soil, and the bottom rod of the pile is reinforced through the internal positioning holes of the support seat to prevent the overall shaking of the bottom rod of the pile. By improving the traditional hollow cylindrical slender concrete precast components into multiple casting through holes, the overall concrete consumables cost is reduced and it is beneficial to enhance the overall splicing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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 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.

[0020] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 2 For the utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the moving rod of the utility model from top view;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the threaded sleeve of the utility model;

[0024] Figure 5 It is a front view three-dimensional structure schematic diagram of the utility model.

[0025] Explanation of the reference numerals in the figure: 1. extension seat; 2. clamping slot; 3. accommodating slot; 4. extension pile body; 5. threaded rod; 6. threaded sleeve; 7. connecting slot; 8. pile body bottom rod; 9. support seat; 10. moving rod; 11. first spring; 12. connecting block; 13. clamping block; 14. through slot; 15. first mounting slot; 16. second spring; 17. T-plate; 18. limiting block; 19. limiting slot; 20. second mounting slot; 21. cross slot knob; 22. casting through hole; 23. positioning hole. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment 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.

[0027] See also Figure 1-Figure 5 The utility model provides an embodiment: a novel prestressed pipe pile, provided with a pile body bottom rod 8, the top of the pile body bottom rod 8 is connected to an extended pile body 4, and the insides of the extended pile body 4 and the pile body bottom rod 8 are both provided with a clamping groove 2, and the insides of the extended pile body 4 and the pile body bottom rod 8 are both evenly provided with casting through holes 22; including: an extended seat 1, installed at the top of the extended pile body 4 and the pile body bottom rod 8, and the inner side of the extended pile body 4 is provided with a connecting groove 7;

[0028] The cross-section of the extension seat 1 is set to be rectangular, and the size of the connecting groove 7 matches the size of the extension seat 1;

[0029] Specifically, Figure 1 and Figure 5 As shown, when in use, the extended seat 1 and the connecting groove 7 are used to increase the contact area when the extended pile body 4 and the pile body bottom rod 8 are spliced, thereby improving the stability after connection.

[0030] The connecting groove 7 is connected to the extension seat 1, the bottom end of the extended pile body 4 is connected with a clamping block 13, and the clamping block 13 is connected to the clamping groove 2, the outer side of the pile body bottom rod 8 is fixed with a support seat 9, and the inside of the support seat 9 is evenly provided with positioning holes 23; connection mechanism;

[0031] The connecting mechanism includes a receiving groove 3 arranged inside the extended pile body 4, and the inside of the receiving groove 3 is connected with a threaded rod 5, the outer side of the threaded rod 5 is threadedly connected with a threaded sleeve 6, the inside of the block 13 is evenly connected with a moving rod 10, and both ends of the moving rod 10 are fixed with connecting blocks 12, the inside of the block 13 is evenly connected with a first spring 11, and the first spring 11 is connected to one side of the connecting block 12, the inside of the pile body bottom rod 8 is evenly provided with through grooves 14, the blocks 13 all penetrate the inside of the through grooves 14, the outer side of the threaded sleeve 6 is fitted with one side of the moving rod 10, the inside of the extended pile body 4 is provided with a second installation groove 20, and the second installation groove 20 is connected to the inside of the card slot 2, and the inside of the card slot 2 is connected with a cross groove knob 21; the first spring 11 is provided with four groups inside the card block 13, and the card Each group of blocks 13 is provided with two, and when one side of the moving rod 10 is fitted with the outer side of the threaded sleeve 6, the first spring 11 is in a stretched state; the interior of the pile body bottom rod 8 and the extended pile body 4 are uniformly provided with a first mounting groove 15, and the interior of the first mounting groove 15 is connected with a T-shaped plate 17, and the outer side of the T-shaped plate 17 inside the first mounting groove 15 is connected with a second spring 16, the through grooves 14 are connected to the interior of the first mounting groove 15, and one side of the T-shaped plate 17 is uniformly connected to a limiting block 18, and the interior of the extended pile body 4 is uniformly provided with a limiting groove 19, and the limiting groove 19 is connected to the limiting block 18, and one side of the T-shaped plate 17 is fitted with the accommodating groove 3; the cross-sectional size of the through groove 14 is equal to the cross-sectional size of the moving rod 10, and the moving rod 10 is arranged in a cross shape on the outer side of the threaded sleeve 6;

[0032] Specifically, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, when in use, the block 13 can quickly limit the pile bottom rod 8 and the pile bottom rod 8 can quickly limit the extended pile body 4 through the connecting mechanism, and the mutual limiting effectively prevents the vertical displacement.

[0033] The cross-section of the clamping block 13 and the cross-section of the threaded sleeve 6 are both arranged to be square, and the cross-section of the bottom end of the threaded sleeve 6 is arranged to be trapezoidal;

[0034] Specifically, Figure 1 , Figure 2 and Figure 5 As shown, when in use, the clamping block 13 and the threaded sleeve 6 are used to realize that the moving rod 10 passes through the interior of the through slot 14 during the downward movement of the threaded sleeve 6, and the moving rod 10 is fitted with one side of the T-shaped plate 17, and the limiting block 18 is connected with the limiting slot 19 at the same time;

[0035] The connection mechanism is arranged inside the clamping block 13 to achieve the connection between the extended pile body 4 and the pile body bottom rod 8 and to achieve the effect of preventing vertical deviation.

[0036] Working principle: When the utility model is in use, when the pile body bottom rod 8 needs to be used as a whole, by deepening a part of the pile body bottom rod 8 into the soil and positioning the outside of the pile body bottom rod 8 through the positioning hole 23, the pile body bottom rod 8 can be prevented from shaking after installation. When the extended pile body 4 needs to be connected to the pile body bottom rod 8, the connecting groove 7 at the bottom end of the extended pile body 4 is connected to the extended seat 1 at the top of the pile body bottom rod 8, and the clamping block 13 at the bottom end of the extended pile body 4 is connected to the clamping groove 2 inside the extended pile body 4, and the adapter rod is connected and rotated with the cross groove knob 21, and the extended pile body 4 is connected to the pile body bottom rod 8. The movable threaded rod 5 rotates, and the threaded sleeve 6 moves downward under the action of the threaded connection. The cross-section of the threaded sleeve 6 is set to be trapezoidal, so that the moving rod 10 moves outward at the same time, so that the moving rod 10 slowly connects with the through groove 14 and penetrates into the interior of the first installation groove 15 to connect with the T-shaped plate 17. When the threaded sleeve 6 moves to the bottom end of the accommodating groove 3, the moving rod 10 passes through the interior of the through groove 14, and the limit blocks 18 are connected to the limit grooves 19. Multiple directions are fixed at the same time, in one step, which effectively improves work efficiency. The number of groups of extended pile bodies 4 is selected according to actual conditions to achieve the expected height.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A novel prestressed pipe pile, provided with a pile body bottom rod (8), the top end of the pile body bottom rod (8) is connected to an extended pile body (4), and the interiors of the extended pile body (4) and the pile body bottom rod (8) are both provided with a clamping groove (2), and the interiors of the extended pile body (4) and the pile body bottom rod (8) are both evenly provided with casting through holes (22); It is characterized in that include: An extension seat (1) is installed on the top of the extension pile body (4) and the pile body bottom rod (8); a connecting groove (7) is provided on the inner side of the extension pile body (4), and the connecting groove (7) is connected to the extension seat (1); a clamping block (13) is connected to the bottom end of the extension pile body (4), and the clamping block (13) is connected to the clamping groove (2); a support seat (9) is fixed on the outer side of the pile body bottom rod (8), and positioning holes (23) are evenly arranged inside the support seat (9); A connecting mechanism is arranged inside the clamping block (13), and the connecting mechanism realizes the connection between the extended pile body (4) and the pile body bottom rod (8) and achieves the effect of preventing vertical deviation.

2. A novel prestressed pipe pile according to claim 1, characterized in that: The connection mechanism comprises a receiving groove (3) arranged inside the extended pile body (4), and the receiving groove (3) is connected with a threaded rod (5) inside, and the outer side of the threaded rod (5) is threadedly connected with a threaded sleeve (6), the inside of the clamping block (13) is evenly connected with a moving rod (10), and both ends of the moving rod (10) are fixed with connecting blocks (12), the inside of the clamping block (13) is evenly connected with a first spring (11), and the first spring (11) is connected to one side of the connecting block (12), the inside of the pile body bottom rod (8) is evenly provided with through grooves (14), the clamping blocks (13) penetrate the inside of the through grooves (14), the outer side of the threaded sleeve (6) is in contact with one side of the moving rod (10), the inside of the extended pile body (4) is provided with a second installation groove (20), and the second installation groove (20) is connected with the inside of the clamping groove (2), and the inside of the clamping groove (2) is connected with a cross groove knob (21).

3. A novel prestressed pipe pile according to claim 2, characterized in that: Four groups of the first springs (11) are arranged inside the clamping block (13), and each group of the clamping block (13) is provided with two springs. When one side of the moving rod (10) is in contact with the outer side of the threaded sleeve (6), the first spring (11) is in a stretched state.

4. A novel prestressed pipe pile according to claim 2, characterized in that: The pile body bottom rod (8) and the extended pile body (4) are both evenly provided with first installation grooves (15), and the first installation grooves (15) are both connected to T-shaped plates (17). The outer side of the T-shaped plates (17) in the first installation grooves (15) is connected to a second spring (16). The through grooves (14) are both connected to the inside of the first installation grooves (15). One side of the T-shaped plates (17) is evenly connected to a limiting block (18). The extended pile body (4) is also evenly provided with limiting grooves (19), and the limiting grooves (19) are connected to the limiting blocks (18). One side of the T-shaped plates (17) is in contact with the accommodating grooves (3).

5. A novel prestressed pipe pile according to claim 4, characterized in that: The cross-sectional size of the through groove (14) is equal to the cross-sectional size of the moving rod (10), and the moving rod (10) is arranged and distributed in a cross shape on the outer side of the threaded sleeve (6).

6. A novel prestressed pipe pile according to claim 2, characterized in that: The cross-sections of the clamping block (13) and the threaded sleeve (6) are both arranged in a square shape, and the cross-section of the bottom end of the threaded sleeve (6) is arranged in a trapezoidal shape.

7. The novel prestressed pipe pile according to claim 1 is characterized in that: The cross-section of the extension seat (1) is arranged to be rectangular, and the size of the connecting groove (7) matches the size of the extension seat (1).

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