Mounting and positioning device for cast-in-situ bored pile reinforcement cage

Abstract

The utility model relates to the technical field of cast-in-situ bored piles, and provides a cast-in-situ bored pile reinforcement cage installing and positioning device which comprises a steel casing, a reinforcement cage, supporting arms and a main rod, a plurality of fixing bodies are connected to the outer wall of the reinforcement cage in a clamped mode, and the supporting arms are rotationally connected to the inner walls of the fixing bodies; the tail end of the supporting arm is rotationally connected with a connecting body, and the connecting body is connected to the outer surface of the main rod in a sleeving mode. The inner wall of the main rod is sleeved with an inner rod. The supporting arms are rotatably connected with the fixing bodies, so that the device can be used in reinforcement cages of different sizes, the adaptive angle is larger, the connecting body and the main rod can be practically fixed when the two fixing bodies are fixed through sleeving connection between the connecting body and the main rod and arrangement of the first fixing screws, and the device is convenient to use. And the angle between the two supporting arms is not easy to change.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bored pile, and particularly relates to a bored pile reinforcement cage installation and positioning device. BACKGROUND

[0002] At present, most pile foundation engineering projects involve bored pile construction, and the bored pile refers to forming a well hole with a certain diameter in soil, sand and stone by using different hole-forming schemes, suspending a reinforcement cage frame in the well hole after reaching the design elevation, and pouring concrete to form a pile foundation. The bored pile construction mainly includes impact drilling method, rotary drilling method and rotary drilling method. In the process of pouring concrete for the bored pile, the lifting of the bored pile guide pipe and the jacking construction process of the concrete can easily cause the deviation of the bored pile reinforcement cage located in the bored pile guide pipe, and the deviation of the bored pile reinforcement cage leaves quality and safety hidden dangers for the subsequent construction of the pile cap.

[0003] A granted patent with application number 202320751946.6 discloses a bored pile reinforcement cage installation and positioning device: the device includes a mounting mechanism, a positioning mechanism and an auxiliary support mechanism. The mounting mechanism is used to connect the bored pile reinforcement cage and includes a circular hoop that is fixedly installed on the circumference of the reinforcement cage with adjustable diameter. The positioning mechanism includes a telescopic sleeve, a sleeve block that is fixedly connected to the telescopic sleeve and used to sleeve the circular hoop, and a roller that is fixedly installed at the end of the telescopic sleeve away from the sleeve block and abuts the inner wall of the bored pile steel casing. The auxiliary support mechanism includes two support rods that are symmetrically installed on the two sides of the telescopic sleeve, and the ends of the two support rods away from the telescopic sleeve are fixedly connected to a clamping block used to connect the circular hoop. The utility model has the advantages of low cost, easy operation, labor saving and efficiency improvement, and can improve the quality and speed of the installation and positioning of the bored pile reinforcement cage, improve the construction efficiency, save the construction period, and has certain popularization value.

[0004] However, in the implementation of the related technology, the above technical solution has the following problems: the two side support rods cannot be adapted without setting the telescopic device when operating the reinforcement cages with different diameters, and the two side support rods and the telescopic rod are fixedly connected, the angle of the two cannot be changed, and the universality is further reduced.

[0005] Therefore, a bored pile reinforcement cage installation and positioning device is proposed to solve the above problems. Utility model content

[0006] The utility model discloses a bored pile reinforcement cage installation and positioning device, which solves the problem that the two side support rods cannot be adapted without setting the telescopic device when operating the reinforcement cages with different diameters in the related technology, and the two side support rods and the telescopic rod are fixedly connected, the angle of the two cannot be changed, and the universality is further reduced.

[0007] The technical scheme of the utility model discloses a bored pile reinforcement cage installation positioning device, which comprises a steel casing, a reinforcement cage, a support arm and a main rod, the outer wall of the reinforcement cage is provided with a plurality of fixed bodies, and the fixed bodies are rotationally connected with the support arm.

[0008] The end of the support arm is rotationally connected with a connecting body, the connecting body is sleeved on the outer surface of the main rod, and the end of the connecting body and the main rod are both connected with a fixed body.

[0009] The inner wall of the main rod is sleeved with an inner rod.

[0010] Preferably, the inside of the fixed body is screw-connected with a fixed bolt, and the end of the fixed bolt is screw-connected with a fixed sheet.

[0011] Preferably, the inside of the connecting body is screw-connected with a first fixed screw, and the end of the first fixed screw is in contact with the main rod after penetrating through the connecting body.

[0012] Preferably, the inside of the main rod is screw-connected with a second fixed screw, and the end of the second fixed screw is in contact with the inner rod after penetrating through the main rod.

[0013] Preferably, the end of the inner rod is rotationally connected with a pulley, and the pulley is in contact with the steel casing.

[0014] The working principle and beneficial effects of the utility model are as follows:

[0015] The rotation connection between the support arm and the fixed body enables the device to be used for reinforcement cages of different sizes, and the device can be adapted to a larger angle, the connecting body is sleeved with the main rod, and the first fixed screw is arranged, so that the connecting body and the main rod can be fixed when the two fixed bodies are fixed, the angle between the two support arms cannot be easily changed. DRAWINGS

[0016] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0017] Figure 1 The utility model provides a three-dimensional structure schematic diagram;

[0018] Figure 2 The utility model provides a top view structure schematic diagram;

[0019] Figure 3 The utility model provides a three-dimensional structure schematic diagram of the main rod.

[0020] In the figure: 1, steel casing; 2, reinforcement cage; 3, support arm; 4, fixed body; 5, fixed sheet; 6, fixed bolt; 7, connecting body; 8, first fixed screw; 9, main rod; 10, inner rod; 11, second fixed screw; 12, pulley. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments only represent some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are involved in the protection scope of the utility model.

[0022] EMBODIMENT

[0023] Please refer to Figure 1 -3, a bored pile reinforcement cage installation positioning device, including steel casing 1, reinforcement cage 2, support arm 3 and main rod 9, the outer wall of reinforcement cage 2 is connected with a plurality of fixed bodies 4, and the fixed body 4 is rotatably connected with the support arm 3;

[0024] The end of support arm 3 is rotatably connected with connecting body 7, and connecting body 7 is sleeved on the outer surface of main rod 9, and connecting body 7 and the end of main rod 9 are both connected with fixed body 4;

[0025] The inner wall of main rod 9 is sleeved with inner rod 10.

[0026] The technical solutions provided by the embodiment are as follows: firstly, the main rod 9 is withdrawn backward, so that the fixed body 4 at the end of main rod 9 is close to connecting body 7, then the support arm 3 is opened, and the main rod 9 is always kept perpendicular to the main rod of reinforcement cage 2, then the fixed body 4 at the end of support arm 3 is clamped at the intersection of longitudinal and vertical of reinforcement cage 2, then the two fixed sheets 5 are connected through four fixed bolts 6, then the other support arm 3 is opened at the same angle as the first support arm 3, and is connected with reinforcement cage 2 in the same way, then the main rod 9 is withdrawn, so that the fixed body 4 at the end of main rod 9 is fixed with reinforcement cage 2, then the main rod 9 and connecting body 7 are fixed through the first fixed screw 8, then the diameter difference between reinforcement cage 2 and steel casing 1 is measured, and the required length of inner rod 10 is calculated, then the inner rod 10 is extended, and the length of main rod 9 and inner rod 10 is fixed through the second fixed screw 11, one reinforcement cage 2 needs at least three devices, and the devices are distributed as evenly as possible on the circumference, after correct installation, the reinforcement cage 2 is installed, the pulley 12 at the end of inner rod 10 slides on the inner wall of steel casing 1, and the main rod 9 and inner rod 10 are fixed with each other, so that the circle composed of the ends of multiple pulleys 12, the center of reinforcement cage 2 and the center of steel casing 1 are at the same point.

[0027] Further, the inner thread of the connecting body 4 is connected with a fixing bolt 6, and the end of the fixing bolt 6 is connected with a fixing sheet 5.

[0028] Specifically, the fixing sheet 5 can fix the connecting body 4 with the reinforcement cage 2.

[0029] Further, the inner thread of the connecting body 7 is connected with a first fixing screw 8, and the end of the first fixing screw 8 is in contact with the main rod 9 after penetrating the connecting body 7.

[0030] Specifically, the first fixing screw 8 can fix the connecting body 7 and the main rod 9, so that the device has higher precision and higher adaptability.

[0031] Further, the inner thread of the main rod 9 is connected with a second fixing screw 11, and the end of the second fixing screw 11 is in contact with the inner rod 10 after penetrating the main rod 9.

[0032] Specifically, the second fixing screw 11 can fix the main rod 9 and the inner rod 10, so that the distance between the pulley 12 and the center of the reinforcement cage 2 is fixed.

[0033] Further, the end of the inner rod 10 is rotatably connected with a pulley 12, and the pulley 12 is in contact with the steel casing 1.

[0034] Specifically, the pulley 12 can make the reinforcement cage 2 smoothly enter the steel casing 2, and can keep the center of the reinforcement cage 2 at a point.

[0035] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A device for positioning a reinforcement cage for a cast-in-place pile, comprising: The utility model relates to a steel casing (1), reinforcing cage (2), support arm (3) and main rod (9), its characterized in be that the outer wall of reinforcing cage (2) is clamped with a plurality of fixed body (4), and fixed body (4) is rotatably connected with support arm (3), The end of support arm (3) is rotatably connected with connecting body (7), connecting body (7) is sleeved on the outer surface of main rod (9), and the end of connecting body (7) and main rod (9) are both connected with fixed body (4), The inner wall of main rod (9) is sleeved with inner rod (10).

2. The device for positioning a reinforcement cage for a cast-in-place pile according to claim 1, characterized in that: The inside of fixed body (4) is screw connected with fixed bolt (6), and the end of fixed bolt (6) is screw connected with fixed sheet (5).

3. The device for positioning a reinforcement cage for a cast-in-place pile according to claim 1, characterized in that: The inside of connecting body (7) is screw connected with first fixed screw (8), and the end of first fixed screw (8) is in contact with main rod (9) after penetrating connecting body (7).

4. The device for positioning a reinforcement cage for a cast-in-place pile according to claim 1, characterized in that: The inside of main rod (9) is screw connected with second fixed screw (11), and the end of second fixed screw (11) is in contact with inner rod (10) after penetrating main rod (9).

5. The device for positioning reinforcement cage of cast-in-place pile according to claim 1, characterized in that: The end of inner rod (10) is rotatably connected with pulley (12), and pulley (12) is in contact with steel casing (1).

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