Auxiliary positioning device for lifting PHC (prestressed high-strength concrete) pipe pile

Abstract

The utility model relates to an auxiliary positioning device for lifting and placing a PHC pipe pile. The auxiliary positioning device comprises a top positioning ring, a bottom positioning ring and a steel reinforcement framework connected between the top positioning ring and the bottom positioning ring, the PHC pipe pile is sleeved with the top positioning ring, a cross positioning line is arranged on the bottom positioning ring, and the cross positioning line of the bottom positioning ring is compared with a positioning cross line placed on the ground so that the cross positioning line can coincide with the positioning cross line. According to the PHC pipe pile, the construction convenience and the positioning effect of the pipe pile are effectively improved, the bearing capacity of the PHC pipe pile is guaranteed, and the PHC pipe pile has good reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering field, specifically is a kind of PHC pipe pile hoisting auxiliary positioning device. BACKGROUND

[0002] PHC pipe pile is widely used in large public buildings due to high single-pile bearing capacity, fast construction speed, high efficiency, short construction period, and when pipe pile hoisting positioning construction is carried out, the traditional method is to use white lime circle method to make pile tip coincide with white lime circle to determine pile position.

[0003] However, due to the concentric circle of the pile body section, the center of the pile body is difficult to determine, and if direct eye observation method is used, the error is large. Or make pile head close to ground during lowering process, and then use vertical laser instrument to judge whether it is deviated, but laser machine needs to be arranged in two directions at the same time, and the process is relatively complicated, and the site is small, and machine operation is easy to produce disturbance, and measurement is extremely inconvenient.

[0004] If hard geology needs to be introduced into hole, the center point of white lime disappears, which further aggravates the inaccuracy of positioning.

[0005] Therefore, how to ensure pile body positioning and guarantee pile body quality during PHC pipe pile construction process has become one of the problems to be solved in PHC pipe pile construction process. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the defects of prior art, and provides a kind of PHC pipe pile hoisting auxiliary positioning device, solve the problem that cylindrical pile body is difficult to position, if pile position deviation exceeds the allowable range of specification, it will have great influence on pile body stress, and serious structure instability damage will be caused.

[0007] In order to solve the above technical problems, the utility model is realized as follows:

[0008] A kind of PHC pipe pile hoisting auxiliary positioning device, characterized in that: it includes top positioning ring, bottom positioning ring and steel reinforcement framework connected between top positioning ring and bottom positioning ring;

[0009] The top positioning ring is sleeved on the PHC pipe pile, and the bottom positioning ring is provided with cross positioning line, the cross positioning line of the bottom positioning ring is compared with the positioning cross line placed on the ground, so that they coincide.

[0010] The utility model relates to a kind of PHC pipe pile hoisting auxiliary positioning device, characterized in that: the top positioning ring includes two symmetrical semicircles, one end is fixedly connected, the other end is movably connected by bolt, top positioning ring is opened and is sleeved on PHC pipe pile, and PHC pipe pile is clamped after being closed.

[0011] The PHC pipe pile hoisting auxiliary positioning device, characterized in that: the top positioning ring has two, which are connected together through a steel framework.

[0012] The PHC pipe pile hoisting auxiliary positioning device, characterized in that: it further comprises a rubber pad, which is arranged in the inner ring of the top positioning ring.

[0013] The PHC pipe pile hoisting auxiliary positioning device, characterized in that: the top positioning ring is made of galvanized flat iron.

[0014] The PHC pipe pile hoisting auxiliary positioning device, characterized in that: it further comprises a handle and a metal lock, the open end of the top positioning ring is respectively provided with the handle, and the metal lock is arranged outside the handle after the top positioning ring is closed.

[0015] The beneficial effects of the utility model are: through the above technical scheme, it can be seen that the application provides a PHC pipe pile hoisting auxiliary positioning device, which is suitable for positioning prestressed pipe piles before static pressure and hammering in the case of a guide hole or no guide hole, improves the accuracy of the pile body below, effectively guarantees the construction quality of the pipe pile, and can be widely applied to the construction process of the pipe pile.

[0016] Compared with the traditional method of relying only on visual inspection or laser instrument, the accuracy and efficiency of pile positioning can be improved by using the auxiliary device. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described in detail in combination with the drawings and embodiments:

[0018] Fig. 1 It is the structural schematic diagram of the application.

[0019] Fig. 2 It is the closed and opened schematic diagram of the top positioning ring.

[0020] Fig. 3 It is the closed and opened schematic diagram of the bottom positioning ring. DETAILED DESCRIPTION

[0021] The technical solutions of the embodiments of the application will be described clearly and completely in combination with the drawings, obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of the application.

[0022] As Figs. 1-3The utility model discloses a kind of PHC pipe pile hoisting auxiliary positioning devices, it includes top positioning ring 1, bottom positioning ring 2 and the steel framework 3 connected between top positioning ring and bottom positioning ring;

[0023] The top positioning ring is sleeved on the PHC pipe pile 4, and the bottom positioning ring is provided with a cross positioning line.

[0024] The top positioning ring includes two symmetrical semicircles, one end is fixedly connected, and the other end is movably connected by bolts 5. The top positioning ring is opened and sleeved on the PHC pipe pile, and the PHC pipe pile is clamped after the top positioning ring is closed. The normal opening and closing of the device and the quick sleeving on the target pile body are ensured. The bolts are M12 screws, M12*100 screws and matching hexagonal nuts, and two sets are required. The two symmetrical parts are welded and connected, so that the normal opening and closing of the device can be ensured.

[0025] The top positioning ring has two parts and is connected together by the steel framework. The rubber pad 6 is arranged in the inner ring of the top positioning ring. The top positioning ring is made of galvanized flat iron. The handle 7 and the metal lock 8 are arranged at the opening end of the top positioning ring. After the top positioning ring is closed, the metal lock is sleeved outside the handle. The top positioning ring is characterized in that the galvanized flat iron is provided with a rubber pad and a metal lock, and is configured to have a double-layer structure. The verticality of the device can be ensured, and the friction force can be increased to ensure that the device is tightly attached to the PHC pipe pile without falling.

[0026] The steel framework can be divided into two parts and is made of C8 steel. Taking the PHC-400 and the hole diameter as an example, the bottom part is a diameter ring + a diameter ring, and the steel bars are vertically fixed along the radial direction (see the bottom plan view). The four vertical steel bars of the same length connect the circular galvanized flat iron and the bottom disc.

[0027] The galvanized flat iron has a strength of Q235B, a thickness, a width and a length. The upper and lower layers are both circular rings with a diameter slightly larger than that of the circular ring, and one rubber pad is fixed at each of the four points of the inner side of the circular ring.

[0028] The rubber pad is used to prevent the device from falling, so a rubber with a large friction force is selected and fixed at the four points of the galvanized flat iron ring.

[0029] The metal lock is a rectangular sleeve ring with a net size slightly larger than that of the handle section, which is sleeved into the handle section to ensure that the device is clamped.

[0030] The diameter of the steel framework can be adjusted according to the diameter of the pile body. The bottom positioning ring serves as a reference for positioning and calibration, and can be adjusted according to the diameter of the pile body and the hole diameter.

[0031] First, ensure that the pile is in the vertical state, hand-held device handle section will open the reinforcement cage, set into the pile lower half, then the reinforcement cage is closed, adjust the device angle, so that the bottom positioning ring radial reinforcement and lime cross line direction consistent. Use metal lock buckle into the handle section, to ensure that the reinforcement cage clamping pile and fixed. With the pile gradually down, through the bottom positioning ring to determine whether the radial reinforcement completely coincide with the pile position lime cross line. If coincide with the pile position lime cross line, if not coincide with the pile position lime cross line, adjust the deviation.

[0032] In use, only need to hand-held handle section, the device into the pile, the bottom positioning ring and the positioning cross line can be compared to the deviation results, the operation process is simple, labor-saving, safe, reliable, greatly guarantee the construction quality of PHC pipe pile. The whole set of device installation is complete, the whole process is simple to operate, easy to assemble, and can be reused.

[0033] The application not only has simple operation, but also greatly enhances the positioning effect of the pile body, guarantees the construction quality of PHC pipe pile. The application has simple structure and convenient operation, greatly improves the convenience of pile body positioning and the control effect of pile body deviation, and greatly guarantees the effective implementation of the soil squeezing effect of the prefabricated pile.

[0034] The above is only an embodiment of the present application and does not limit the present application. Although the present application is described in detail with reference to the embodiments, those skilled in the art can still modify or replace some technical features of the technical solutions described in the foregoing embodiments, but any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A PHC pipe pile hoisting auxiliary positioning device, characterized in that: It comprises a top positioning ring, a bottom positioning ring and a steel framework connected between the top positioning ring and the bottom positioning ring. The top positioning ring is sleeved on the PHC pipe pile, the bottom positioning ring is provided with a cross positioning line, and the cross positioning line of the bottom positioning ring is compared with a positioning cross line on the ground, so that they are coincident.

2. The auxiliary positioning device for hoisting and placing a PHC pile according to claim 1, characterized in that: The top positioning ring comprises two symmetrical semicircles, one end of which is fixedly connected, and the other end is movably connected through a bolt, the top positioning ring is opened and sleeved on the PHC pipe pile, and the PHC pipe pile is clamped after the top positioning ring is closed.

3. The auxiliary positioning device for hoisting and placing a PHC pile according to claim 2, characterized in that: The top positioning ring has two, which are connected together through the steel framework.

4. The auxiliary positioning device for hoisting and placing a PHC pile according to claim 1, characterized in that: It also comprises a rubber pad, which is arranged on the inner ring of the top positioning ring.

5. The auxiliary positioning device for hoisting and placing a PHC pile according to claim 1, characterized in that: The top positioning ring is made of galvanized flat iron.

6. The auxiliary positioning device for hoisting and placing a PHC pile according to claim 2, characterized in that: It also comprises a handle and a metal lock, and the open end of the top positioning ring is respectively provided with the handle, and the metal lock is sleeved outside the handle after the top positioning ring is closed.

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