Positioning device for pile head reinforcement cage of high-speed railway bridge pile foundation

Abstract

The utility model discloses a high-speed railway bridge pile foundation pile head reinforcement cage positioning device which comprises a positioning assembly arranged on a reinforcement cage in a sleeved mode, the positioning assembly is hung in a steel casing through a rope, the positioning assembly comprises a positioning circular ring, at least one pair of threaded pipes are symmetrically connected to the outer ring of the positioning circular ring, and the threaded pipes are connected with a steel pipe. And the threaded pipe is in threaded connection with an adjusting rod. By means of the device, accurate positioning of the pile head reinforcement cage can be achieved, so that the construction quality is improved, the device can be used for positioning control over the pile head reinforcement cage of a whole line, universality is high, the structure is simple, mounting and dismounting are convenient, and operability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reinforcement cage positioning, specifically relates to a high speed railway bridge pier foundation pile head reinforcement cage positioning device. BACKGROUND

[0002] High speed railway pier foundation generally adopts pile foundation, and the position of pile foundation pile head reinforcement cage is an important factor influencing pile foundation construction quality. The traditional construction mainly adopts manual measurement and sampling method to position the position of pile foundation pile head reinforcement cage, and the method is not only time-consuming and laborious, but also is influenced by the skill level and experience of the operator. Due to the problems such as eye error, measuring tool error or inaccurate reference point in the measurement process, the position error of pile foundation reinforcement cage is large, and then the overall construction quality is influenced. Meanwhile, the method needs a large amount of manual intervention, such as calibrating pile position, measuring distance and angle, and the process is tedious and the labor intensity is large, which can lead to slow construction progress. Under heavy physical labor, the energy of the construction personnel can be easily dispersed, thereby further influencing the accuracy of measurement and positioning. SUMMARY

[0003] In view of the above technical problems in the prior art, the utility model provides a high speed railway bridge pier foundation pile head reinforcement cage positioning device, which can solve the above problems.

[0004] To achieve the above technical purposes, the technical scheme of the utility model is as follows:

[0005] A high speed railway bridge pier foundation pile head reinforcement cage positioning device, comprising a positioning assembly sleeved on the reinforcement cage, the positioning assembly is hung in a steel casing through a rope, the positioning assembly comprises a positioning ring, at least a pair of threaded pipes are symmetrically connected to the outer ring of the positioning ring, and an adjusting rod is threadedly connected to the threaded pipe.

[0006] Further, a pair of lifting lugs are symmetrically arranged on the positioning ring, and one end of the rope is connected to the lifting lug.

[0007] Further, a ball is arranged at the end of the adjusting rod away from the threaded pipe.

[0008] The utility model has the advantages that: the device can realize accurate positioning of the pile head reinforcement cage, thereby improving the construction quality, can be used for pile foundation pile head reinforcement cage positioning control of the whole line, has strong universality, simple structure, is convenient to install and remove, and has strong operability. BRIEF DESCRIPTION OF DRAWINGS

[0009] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0010] The present invention will now be described in further detail with reference to the accompanying drawings.

[0011] Fig. 1 This is a simplified structural diagram of a high-speed railway bridge pile head reinforcement cage positioning device according to an embodiment of the present invention;

[0012] Fig. 2 This is a schematic diagram of the positioning component described in an embodiment of the present invention;

[0013] Fig. 3 This is a partial schematic diagram of the adjusting rod described in an embodiment of the present invention.

[0014] In the picture:

[0015] 1. Reinforcing cage; 2. Positioning assembly; 21. Positioning ring; 22. Threaded pipe; 23. Adjusting rod; 24. Lifting lug; 25. Bead; 3. Rope; 4. Steel casing. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0017] like Figs. 1-3 As shown, this utility model discloses a positioning device for the pile head reinforcement cage of a high-speed railway bridge, including a positioning component 2 sleeved on the reinforcement cage 1. The positioning component 2 is suspended inside the steel casing 4 by a rope 3. The positioning component 2 includes a positioning ring 21. At least a pair of threaded tubes 22 are symmetrically connected to the outer ring of the positioning ring 21. An adjusting rod 23 is threadedly connected to the threaded tubes 22.

[0018] The positioning ring 21 in the application can be a ring-shaped structural member made of a steel pipe with a diameter of 42 mm and a wall thickness of 3.5 mm. Symmetrical holes are drilled on the outer ring of the positioning ring 21, and the threaded pipe 22 is welded at the holes. Then the adjusting rod 23 is screwed in the threaded pipe 22. Finally, the rope 3 is connected to the lifting lug 24. The rope 3 can be made of a 5 mm thin steel wire rope. Further, the ball 25 is arranged at the end of the adjusting rod 23 away from the threaded pipe 22, so as to facilitate the up and down movement of the positioning assembly 2 in the steel casing 4 and reduce the abrasion of the adjusting rod 23.

[0019] In specific use, the unscrewed length of the adjusting rod 23 is adjusted according to the inner diameter of the steel casing 4. The unscrewed length of each adjusting rod 23 must be consistent. The adjusted positioning assembly 2 is sleeved on the steel reinforcement cage 1 and is lowered into the hole together with the steel reinforcement cage 1. The rope 3 is used to suspend the positioning assembly 2 inside the steel casing 4. When the concrete is poured to the vicinity of the positioning assembly 2, the positioning assembly 2 is lifted to the top of the steel casing. After the concrete is poured, the positioning assembly 2 is taken out and recycled.

[0020] Further, the displacement sensor can be arranged below the threaded pipe 22. The upper end of the rope 3 is connected to the winding machine. The displacement sensor and the winding machine are both electrically connected to the controller. The pouring height of the concrete is detected by the displacement sensor, and then the positioning assembly 2 is lifted to the preset height by the winding machine, so as to realize automatic control.

[0021] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-speed railway bridge pile foundation pile head reinforcement cage positioning device, characterized in that, The utility model relates to a positioning assembly (2) which is sleeved on a reinforcing cage (1), is hung in a steel casing (4) through a rope (3) and comprises a positioning ring (21), at least a pair of threaded pipes (22) are symmetrically connected to the outer ring of the positioning ring (21), and an adjusting rod (23) is threadedly connected to the threaded pipe (22).

2. The positioning device for the pile head reinforcement cage of the pile foundation of the high-speed railway bridge according to claim 1, characterized in that, A pair of lifting lugs (24) are symmetrically arranged on the positioning ring (21), and one end of the rope (3) is connected to the lifting lug (24).

3. The positioning device for a pile head reinforcement cage of a pile foundation of a high-speed railway bridge according to claim 1, characterized in that, A ball (25) is arranged at the end of the adjusting rod (23) away from the threaded pipe (22).

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