End plate structure of prestressed concrete uplift pipe pile

Abstract

The utility model relates to the technical field of concrete uplift pipe pile end plates, in particular to an end plate structure of a prestressed concrete uplift pipe pile, which comprises a pipe pile body, two clamping blocks are fixed on the outer wall of the pipe pile body and symmetrically mounted on two sides of the pipe pile body, and the clamping blocks are fixed on the outer wall of the pipe pile body. A first fixing assembly is installed between the tubular pile body and the clamping block, a circular end plate is fixedly installed at the top of the clamping block, a connecting block is fixedly connected to the bottom of the circular end plate, and a second fixing assembly is installed between the clamping block and the connecting block; and the first fixing assembly comprises hollow cylinders, conical blocks, fixing bolts and open grooves, the four hollow cylinders are fixedly connected to the inner walls of the clamping blocks, round holes corresponding to the hollow cylinders are formed in the tubular pile body, and the conical blocks are installed at the front ends of the hollow cylinders in a sliding mode. The connecting structure has the advantages of being convenient to install and stable in connection.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete anti -pulling pipe pile end plate technical field especially relates to a kind of end plate structure of prestressed concrete anti -pulling pipe pile. BACKGROUND

[0002] With social development, the stability and bearing capacity requirement of foundation structure in construction engineering field is increasing, among many foundation structure components, concrete anti -pulling pipe pile end plate plays a vital role, and the role of concrete anti -pulling pipe pile end plate as the key component of pipe pile is mainly reflected in connecting pipe pile and pile cap, effectively transmitting the pulling force borne by pipe pile to pile cap structure, so as to guarantee the stability of entire foundation structure when bearing pulling load.

[0003] However, the existing concrete anti -pulling pipe pile end plate has many problems in use, in the process of fixing end plate to pipe pile, it often needs to consume a lot of time and manpower, this troublesome and time-consuming fixing mode not only will increase construction cost, but also will prolong construction period, since construction time is prolonged, it can be influenced by more adverse environmental factors, such as interference of bad weather to construction, to further affect construction quality, and bury hidden danger to engineering structure safety. SUMMARY

[0004] The utility model aims at solving the shortcomings in prior art, and proposes an end plate structure of prestressed concrete anti -pulling pipe pile.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: an end plate structure of prestressed concrete anti -pulling pipe pile, including pipe pile body, the outer wall of pipe pile body is fixed with clamping block, the clamping block has two symmetrical installations on the two sides of pipe pile body, first fixing assembly is installed between pipe pile body and clamping block, the top of clamping block is fixedly installed with circular end plate, the bottom of circular end plate is fixedly connected with connecting block, second fixing assembly is installed between clamping block and connecting block.

[0006] The first fixing assembly includes hollow cylinder, conical block, fixed bolt and slot, the inner wall of clamping block is fixedly connected with four hollow cylinders, the inside of pipe pile body is provided with circular hole corresponding to hollow cylinder, the front end of hollow cylinder is slidably installed with conical block, the inside of hollow cylinder is movably installed with fixed bolt, the inside of conical block is provided with screw hole corresponding to fixed bolt, and the inside of hollow cylinder is provided with four annular slots.

[0007] Further, the first fixing assembly further comprises a sliding rod and a sliding hole, the sliding rod has four annular fixed connections in the interior of the hollow cylinder, the sliding hole has four annular openings in the interior of the conical block, and the sliding rod is located in the interior of the sliding hole.

[0008] Further, the second fixing assembly comprises a ratchet slot, a mounting slot, a pawl and a spring, the ratchet slot is fixedly connected to the outer wall of the clamping block, the mounting slot is opened in the interior of the connecting block, the pawl is movably mounted in the interior of the mounting slot, and the spring is fixedly connected between the pawl and the mounting slot.

[0009] Further, the second fixing assembly further comprises a push block and an insertion slot, the push block is fixedly connected to the bottom of the pawl, the insertion slot is opened in the interior of the connecting block and communicates with the mounting slot, and the push block is located in the interior of the insertion slot.

[0010] Further, a plurality of limiting grooves are opened in the outer wall of the clamping block, and a plurality of limiting blocks are fixedly connected to the inner wall of the connecting block and located in the limiting grooves.

[0011] Further, a mounting hole is opened in the interior of the circular end plate, and the mounting hole has a plurality of annular distributions.

[0012] Further, the opposite surfaces of the two clamping blocks are fixedly connected with two fixing blocks, and a bolt is threadedly mounted between the two fixing blocks.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] Compared with the prior art, by setting the pipe pile body, the clamping block, the fixing block, the hollow cylinder, the conical block, the fixing bolt, the sliding rod and the sliding hole, when in use, first, the clamping block is mounted on the outer wall of the pipe pile body, during installation, the hollow cylinder in the inner wall of the clamping block is aligned with the round hole in the pipe pile body and is inserted, then the fixing bolt is screwed into the hollow cylinder and the conical block is controlled to move, the hollow cylinder is expanded by the conical block to tightly contact the inner wall of the round hole, meanwhile, the stable movement of the conical block is ensured by the sliding rod and the sliding hole, the fixation of the clamping block on the pipe pile body is completed, and the two clamping blocks are clamped to the pipe pile body by tightening the bolt between the fixing blocks on the opposite surfaces of the two clamping blocks.

[0015] Compared with the prior art, by setting the pipe pile body, the clamping block, the circular end plate, the connecting block, the ratchet groove, the pawl and the spring, in use, the clamping block is inserted into the connecting block for fixation, in the process, the connecting block is close to the clamping block, the pawl is contacted with the ratchet groove, under the elastic force of the spring, the pawl is embedded in the ratchet groove, due to the special shape of the ratchet groove and the pawl, a one-way locking structure is formed between them, the reverse movement of the connecting block relative to the clamping block is prevented, so that the clamping block is firmly installed in the interior of the connecting block, the reliable connection of the circular end plate and the clamping block is realized, and the pipe pile body can be installed on the bearing platform. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structure schematic view of the utility model;

[0017] Figure 2 It is an explosion structure schematic view of the utility model;

[0018] Figure 3 It is an explosion structure schematic view of the first fixing assembly in the utility model;

[0019] Figure 4 It is Figure 3 It is an enlarged structure schematic view of position A in the utility model;

[0020] Figure 5 It is an explosion structure schematic view of the second fixing assembly in the utility model;

[0021] Figure 6 It is Figure 5 It is an enlarged structure schematic view of position B in the utility model.

[0022] Legend:

[0023] 1, pipe pile body; 2, clamping block; 201, fixed block; 202, limiting groove; 3, first fixing assembly; 301, hollow cylinder; 302, tapered block; 303, fixed bolt; 304, slot; 305, sliding rod; 306, sliding hole; 4, circular end plate; 401, mounting hole; 5, connecting block; 501, limiting block; 6, second fixing assembly; 601, ratchet groove; 602, mounting groove; 603, pawl; 604, spring; 605, push block; 606, insertion slot. DETAILED DESCRIPTION

[0024] The utility model will be further explained in connection with the drawings and specific embodiments, to help understanding the contents of the utility model. The method used in the utility model is conventional if no special provision is made; the raw materials and devices used are conventional if no special provision is made.

[0025] Referring to Figures 1-6 The utility model provides a kind of end plate structure of prestressed concrete uplift pipe pile: including pipe pile body 1, the outer wall of pipe pile body 1 is fixed with clamping block 2, clamping block 2 has two, symmetrically installed in the two sides of pipe pile body 1, first fixed component 3 is installed between pipe pile body 1 and clamping block 2, the top of clamping block 2 is fixedly installed with circular end plate 4, the bottom of circular end plate 4 is fixedly connected with connecting block 5, second fixed component 6 is installed between clamping block 2 and connecting block 5.Specifically, first fixed component 3 includes hollow cylinder 301, conical block 302, fixed bolt 303 and slot 304, hollow cylinder 301 has four, is fixedly connected in the inner wall of clamping block 2, the inside of pipe pile body 1 is provided with the circular hole corresponding with hollow cylinder 301, conical block 302 is slidably installed at the front end of hollow cylinder 301, fixed bolt 303 is movably installed in the inside of hollow cylinder 301, the inside of conical block 302 is provided with the screw hole corresponding with fixed bolt 303, slot 304 has four, is annularly provided in the inside of hollow cylinder 301.

[0026] When using, hollow cylinder 301 is inserted into the circular hole in the inside of pipe pile body 1, when fixed bolt 303 is tightened, fixed bolt 303 controls the movement of conical block 302 in turn, since the special shape of conical block 302, with it moves backward in hollow cylinder 301, it will gradually prop open hollow cylinder 301, so that it is in close contact with the inner wall of the circular hole of pipe pile body 1, and clamping block 2 is firmly fixed on the outer wall of pipe pile body 1 using friction and extrusion force.Then, circular end plate 4 is installed on bearing platform, then, through second fixed component 6, clamping block 2 is installed in the inside of connecting block 5, so that pipe pile body 1 can be installed on bearing platform.

[0027] Further, first fixed component 3 further includes slide bar 305 and sliding hole 306, slide bar 305 has four, is annularly fixedly connected in the inside of hollow cylinder 301, sliding hole 306 has four, is annularly provided in the inside of conical block 302, and slide bar 305 is located in the inside of sliding hole 306.

[0028] In the movement process of conical block 302, the cooperation of slide bar 305 and sliding hole 306 plays a guiding role, so that it can only slide in parallel in hollow cylinder 301 along the axial direction of slide bar 305, to ensure the stability and accuracy of the movement of conical block 302, to avoid its deviation in the movement process.

[0029] Second fixed component 6 includes ratchet groove 601, mounting groove 602, pawl 603 and spring 604, ratchet groove 601 is fixedly connected in the outer wall of clamping block 2, mounting groove 602 is provided in the inside of connecting block 5, pawl 603 is movably installed in the inside of mounting groove 602, and spring 604 is fixedly connected between pawl 603 and mounting groove 602.

[0030] When it is needed to install the circular end plate 4 on the clamping block 2, the connecting block 5 is close to the clamping block 2, the pawl 603 is in contact with the ratchet groove 601, under the elastic force of the spring 604, the pawl 603 is embedded in the ratchet groove 601, due to the special shape of the ratchet groove 601 and the pawl 603, a one-way locking structure is formed between them, which prevents the reverse movement of the connecting block 5 relative to the clamping block 2, thereby firmly installing the clamping block 2 in the inside of the connecting block 5, and realizing the reliable connection of the circular end plate 4 and the clamping block 2.

[0031] The second fixing assembly 6 further comprises a push block 605 and a insertion groove 606, the push block 605 is fixedly connected to the bottom of the pawl 603, the insertion groove 606 is arranged in the inside of the connecting block 5 and communicates with the installation groove 602, and the push block 605 is located in the inside of the insertion groove 606.

[0032] When it is needed to disassemble the circular end plate 4, the push block 605 can be pushed, the movement of the push block 605 drives the pawl 603 to move against the elastic force of the spring 604, so that the pawl 603 is separated from the ratchet groove 601, thereby releasing the locking between the connecting block 5 and the clamping block 2, and facilitating the disassembly of the circular end plate 4 from the clamping block 2.

[0033] The outer wall of the clamping block 2 is provided with a plurality of limiting grooves 202, and the inner wall of the connecting block 5 is fixedly connected with a plurality of limiting blocks 501, and the limiting blocks 501 are located in the inside of the limiting grooves 202.

[0034] During the installation of the circular end plate 4 on the clamping block 2, the cooperation of the limiting blocks 501 and the limiting grooves 202 plays a further positioning and limiting role, which can prevent the unnecessary displacement of the connecting block 5 relative to the clamping block 2 in the horizontal direction, ensure the accuracy of the installation position of the circular end plate 4, and enhance the stability of the whole connecting structure.

[0035] The inside of the circular end plate 4 is provided with installation holes 401, and the installation holes 401 are a plurality of annularly distributed.

[0036] During the construction process, the connecting members such as bolts can be installed in the installation holes 401 to firmly fix the circular end plate 4 on the bearing platform, so as to effectively transmit the upward pulling force of the pipe pile to the bearing platform structure.

[0037] The opposite faces of the two clamping blocks 2 are fixedly connected with two fixing blocks 201, and the bolts are threadedly installed between the two fixing blocks 201.

[0038] The two fixing blocks 201 further enhance the connection firmness between the clamping block 2 and the pipe pile body 1, and ensure that the end plate structure of the whole uplift pipe pile can work stably when bearing the upward pulling force.

[0039] Working principle:

[0040] In use, first, the clamping block 2 is installed on the outer wall of the pipe pile body 1, when installing, the hollow cylinder 301 of the inner wall of the clamping block 2 is inserted into the circular hole in the pipe pile body 1, then the fixed bolt 303 is screwed into the hollow cylinder 301 and the conical block 302 is controlled to move, the hollow cylinder 301 is expanded by the conical block 302 to tightly contact with the inner wall of the circular hole, at the same time, the slide rod 305 and the slide hole 306 ensure the stable movement of the conical block 302, the fixing of the clamping block 2 on the pipe pile body 1 is completed, and the pipe pile body 1 is clamped by the two clamping blocks 2 by screwing the bolts between the fixed blocks 201 on the opposite sides of the two clamping blocks 2.

[0041] Then, the circular end plate 4 is installed on the bearing platform, and the connection is realized by using the connecting pieces through the installation holes 401 on the circular end plate 4.

[0042] Then, the clamping block 2 is inserted into the connecting block 5 for fixing, in this process, the connecting block 5 is close to the clamping block 2, the pawl 603 is in contact with the ratchet tooth groove 601, under the elastic force of the spring 604, the pawl 603 is embedded into the ratchet tooth groove 601, due to the special shape of the ratchet tooth groove 601 and the pawl 603, a one-way locking structure is formed between them, which prevents the reverse movement of the connecting block 5 relative to the clamping block 2, so that the clamping block 2 is firmly installed in the connecting block 5, the reliable connection of the circular end plate 4 and the clamping block 2 is realized, and the pipe pile body 1 can be installed on the bearing platform.

[0043] When disassembly is needed, the disassembly operation can be completed by operating the push block 605 to make the pawl 603 disengage from the ratchet tooth groove 601.

[0044] In the description of the utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0045] The above is only a specific embodiment of the utility model, which cannot limit the scope of the utility model, so the replacement of equivalent components or equivalent changes and modifications made within the scope of the utility model patent protection should still fall within the scope of the utility model claims.

Claims

1. A structure of an end plate of a prestressed concrete uplift pipe pile, comprising a pipe pile body (1), characterized in that: The outer wall of the pipe pile body (1) is fixed with clamping blocks (2), the clamping blocks (2) are two and are symmetrically installed on the two sides of the pipe pile body (1), the pipe pile body (1) and the clamping blocks (2) are provided with first fixing assemblies (3), the top of the clamping block (2) is fixedly provided with a circular end plate (4), the bottom of the circular end plate (4) is fixedly connected with a connecting block (5), the clamping block (2) and the connecting block (5) are provided with second fixing assemblies (6). The first fixing assembly (3) comprises hollow cylinders (301), tapered blocks (302), fixed bolts (303) and grooves (304), the hollow cylinders (301) are four, fixedly connected with the inner wall of the clamping block (2), the inner part of the pipe pile body (1) is provided with a circular hole corresponding to the hollow cylinder (301), the tapered block (302) is slidably installed at the front end of the hollow cylinder (301), the fixed bolt (303) is movably installed in the inner part of the hollow cylinder (301), the inner part of the tapered block (302) is provided with a screw hole corresponding to the fixed bolt (303), and the grooves (304) are four and annularly arranged in the inner part of the hollow cylinder (301).

2. The end plate structure of a prestressed concrete uplift pipe pile according to claim 1, characterized in that: The first fixing assembly (3) further comprises slide rods (305) and slide holes (306), the slide rods (305) are four, annularly fixedly connected with the inner part of the hollow cylinder (301), the slide holes (306) are four, annularly arranged in the inner part of the tapered block (302), and the slide rods (305) are located in the inner part of the slide holes (306).

3. The end plate structure of a prestressed concrete uplift pipe pile according to claim 1, characterized in that: The second fixing assembly (6) comprises ratchet grooves (601), mounting grooves (602), pawls (603) and springs (604), the ratchet grooves (601) are fixedly connected with the outer wall of the clamping block (2), the mounting grooves (602) are arranged in the inner part of the connecting block (5), the pawls (603) are movably installed in the inner part of the mounting grooves (602), and the springs (604) are fixedly connected between the pawls (603) and the mounting grooves (602).

4. The end plate structure of a prestressed concrete uplift pipe pile according to claim 3, characterized in that: The second fixing assembly (6) further comprises a push block (605) and an insertion groove (606), the push block (605) is fixedly connected with the bottom of the pawl (603), the insertion groove (606) is arranged in the inner part of the connecting block (5) and communicates with the mounting groove (602), and the push block (605) is located in the inner part of the insertion groove (606).

5. The end plate structure of a prestressed concrete uplift pipe pile according to claim 1, characterized in that: The outer wall of the clamping block (2) is provided with a plurality of limiting grooves (202), the inner wall of the connecting block (5) is fixedly connected with a plurality of limiting blocks (501), and the limiting blocks (501) are located in the inner part of the limiting grooves (202).

6. The end plate structure of a prestressed concrete uplift pipe pile according to claim 1, characterized in that: The inner part of the circular end plate (4) is provided with mounting holes (401), and the mounting holes (401) are annularly distributed.

7. The end plate structure of a prestressed concrete uplift pipe pile according to claim 1, characterized in that: The opposite surfaces of the two clamping blocks (2) are fixedly connected with two fixed blocks (201), and the two fixed blocks (201) are threadedly connected with bolts.

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