Device for integrally pulling out square pile

Abstract

The device comprises a jacking plate arranged outside the square pile in a sleeving mode, a plurality of jacking jacks are arranged at the bottom of the jacking plate, an adjusting clamping assembly is arranged on the jacking plate in an abutting mode, and the adjusting clamping assembly is installed on the square pile in a fastening mode. The adjusting and clamping assembly comprises L-shaped clamping plates attached to the four side edges of the square pile, clamping lug plates are arranged at the two ends of each L-shaped clamping plate, a threaded rod is arranged between the clamping lug plates of every two adjacent L-shaped clamping plates in a penetrating mode, and nuts are screwed to the positions, on the outer side faces of the clamping lug plates, of the two ends of each threaded rod. First hanging rings are arranged at the tops of the L-shaped clamping plates. And an anti-skid pad is clamped between the L-shaped clamping plate and the outer wall of the square pile. Second hanging rings are arranged at the four corners of the jacking plate. The device is good in using effect, high in safety and stability, convenient to move and capable of effectively improving safety production.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bridge engineering construction especially relates to a device for whole square pile pulling out. BACKGROUND

[0002] Bridge engineering is a kind of engineering type commonly seen in our daily life, and the application range is wider, and it is widely applied in urban road, highway field.Now in the bridge construction process, under the limitation of actual condition on site, the old bridge structure needs to be removed integrally and the bridge is newly built in situ, so whether the old bridge pile foundation can be pulled out completely is the key factor influencing the pile foundation of newly-built bridge.

[0003] The conventional pile pulling operation is that the hydraulic equipment pulls out the old bridge square pile, this method is usually formed with a certain angle between the mechanical equipment and the old pile because the mechanical equipment cannot be completely parallel to the upright pile, but this method is easy to break the old bridge pile, so that the pile cannot be pulled out completely, which influences the construction of the new bridge pile foundation, and a lot of time and energy are needed to remove the remaining pile, and the cost and time are large. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the insufficient of prior art, and provides a device for whole square pile pulling out.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A device for whole square pile pulling out, including the jacking plate of square pile outside, the jacking plate bottom is equipped with several jacking jacks, and the jacking plate is equipped with the adjusting clamping assembly and is in contact,

[0007] The adjusting clamping assembly includes the L-shaped clamping plate that is attached to the four side beams of the square pile, the two ends of the L-shaped clamping plate are equipped with the clamping ear plate, the clamping ear plate between the adjacent two L-shaped clamping plates is equipped with the screw rod, and the nut is screwed on the outer side surface of each clamping ear plate at the two ends of the screw rod.

[0008] The top of the L-shaped clamping plate is equipped with the first lifting ring.

[0009] The L-shaped clamping plate and the square pile outer wall are clamped with the antiskid pad.

[0010] The four corners of the jacking plate are equipped with the second lifting ring.

[0011] The bottom of the jacking plate is equipped with the limiting groove corresponding to the telescopic end head of each jacking jack.

[0012] The utility model has the advantages of good use effect, high safety and stability, convenient movement and effective safety production improvement. DRAWING EXPLANATION

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] In the figure: 1 - jacking plate; 2 - jacking jack; 3 - adjusting clamping assembly; 4 - square pile; 5 - non-slip pad; 6 - second lifting ring;

[0015] 31 - L-shaped clamping plate; 32 - clamping ear plate; 33 - screw rod; 34 - nut; 35 - first lifting ring;

[0016] The utility model will be described below in combination with the embodiment of the utility model with reference to the drawings. DETAILED DESCRIPTION

[0017] The principles and features of the utility model will be described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model. In the following paragraphs, the utility model is described in more detail by way of example with reference to the drawings. The advantages and features of the utility model will be clearer according to the following description. It should be noted that the drawings are very simplified and use non-precise proportions, only for the purpose of facilitating and clearly assisting the description of the embodiments of the utility model.

[0018] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "provided on" another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific examples and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0020] The utility model will be further described below in combination with the drawings and examples:

[0021] As Figure 1 shown, a device for overall pulling out of square pile, including jacking plate 1, jacking jack 2, adjusting clamping assembly 3, non-slip pad 5 and second lifting ring 6.

[0022] Jacking plate 1 is sleeved on square pile 4, and jacking plate 1 can be processed and made of steel plate or can be processed and welded by I-beam.

[0023] The jacking plate 1 is provided with a plurality of jacking jacks 2 at the bottom, and an adjusting and clamping assembly 3 is arranged on the jacking plate 1 in abutment;

[0024] The adjusting and clamping assembly 3 comprises L-shaped clamping plates 31 which are attached to four side walls of the square pile 4, and the two ends of each L-shaped clamping plate 31 are provided with clamping ear plates 32, and a threaded rod 33 is arranged between the clamping ear plates 32 of two adjacent L-shaped clamping plates 31, and nuts 34 are screwed on the outer side of each clamping ear plate 32 at the two ends of the threaded rod 33.

[0025] The adjusting and clamping assembly 3 can be adjusted and installed according to square piles 4 of different sizes, and has higher adaptability.

[0026] The top of the L-shaped clamping plate 31 is provided with a first lifting ring 35, and the adjusting and clamping assembly 3 can be installed by connecting the first lifting ring 35 by using hoisting equipment, or the remaining hoisting assemblies can be used to assist in hoisting while jacking, so as to jointly pull out the square pile.

[0027] A non-slip pad 5 is arranged between the L-shaped clamping plate 31 and the outer wall of the square pile 4, so as to improve the connection tightness of the adjusting and clamping assembly 3 and the square pile and improve the anti-skid performance.

[0028] The jacking plate 1 is provided with a second lifting ring 6 at the four corners, so as to facilitate hoisting and installation of the jacking plate 1.

[0029] The bottom of the jacking plate 1 is provided with a limiting groove corresponding to the extension end of each jacking jack 2.

[0030] The jacking jack 2 is operated, and a reliable concrete foundation is needed at the bottom of the jacking jack 2, after the old bridge pile cap is removed, the pile head is cleaned and the ground is locally hardened, then the jacking jack 2 is arranged, the jacking plate 1 is installed above the jacking jack 2, the adjusting and clamping assembly 3 is fastened to the square pile 4 through the threaded rod 33 and the nut 34, the jacking jack 2 is gradually jacked to pull out the square pile, if the jacking range of the jacking jack 2 is exceeded, the square pile is raised by using a cushion block or other support, and the position of the adjusting and clamping assembly 3 is adjusted for jacking.

[0031] The jacking jack 2 is operated, and a reliable concrete foundation is needed at the bottom of the jacking jack 2, after the old bridge pile cap is removed, the pile head is cleaned and the ground is locally hardened, then the jacking jack 2 is arranged, the jacking plate 1 is installed above the jacking jack 2, the adjusting and clamping assembly 3 is fastened to the square pile 4 through the threaded rod 33 and the nut 34, the jacking jack 2 is gradually jacked to pull out the square pile, if the jacking range of the jacking jack 2 is exceeded, the square pile is raised by using a cushion block or other support, and the position of the adjusting and clamping assembly 3 is adjusted for jacking.

[0032] The jacking jack 2 is operated, and a reliable concrete foundation is needed at the bottom of the jacking jack 2, after the old bridge pile cap is removed, the pile head is cleaned and the ground is locally hardened, then the jacking jack 2 is arranged, the jacking plate 1 is installed above the jacking jack 2, the adjusting and clamping assembly 3 is fastened to the square pile 4 through the threaded rod 33 and the nut 34, the jacking jack 2 is gradually jacked to pull out the square pile, if the jacking range of the jacking jack 2 is exceeded, the square pile is raised by using a cushion block or other support, and the position of the adjusting and clamping assembly 3 is adjusted for jacking.

Claims

1. A device for integral extraction of square piles, characterized in that, The jacking plate (1) is sleeved outside the square pile (4), the bottom of the jacking plate (1) is provided with a plurality of jacking jacks (2), and the jacking plate (1) is provided with an adjusting and clamping assembly (3) in abutment; the adjusting and clamping assembly (3) is tightly mounted on the square pile (4); The adjusting and clamping assembly (3) comprises L-shaped clamping plates (31) abutting on four side walls of the square pile (4), the two ends of the L-shaped clamping plate (31) are provided with clamping ear plates (32), and a screw rod (33) is arranged between the clamping ear plates (32) of two adjacent L-shaped clamping plates (31); the two ends of the screw rod (33) are tightly screwed with nuts (34) on the outer side of each clamping ear plate (32).

2. A device for integral extraction of square piles according to claim 1, characterized in that, The top of the L-shaped clamping plate (31) is provided with a first lifting ring (35).

3. A device for integral extraction of square piles according to claim 2, characterized in that, The L-shaped clamping plate (31) and the outer wall of the square pile (4) are clamped with a non-slip pad (5).

4. A device for integral extraction of square piles according to claim 3, characterized in that, The jacking plate (1) is provided with a second lifting ring (6) at the corners.

5. A device for integral extraction of square piles according to claim 4, characterized in that, The bottom of the jacking plate (1) is provided with a limiting groove corresponding to the telescopic end of each jacking jack (2).

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