Device for extracting piles

Abstract

The present application relates to pile driving equipment technical field, especially with the equipment of pulling out pile. Its technical scheme includes: fixed plate, support plate and connecting plate, both sides of the fixed plate outer wall are provided with support plate, the fixed plate and support plate outer wall are symmetrically installed with connecting plate, both sides of the fixed plate outer wall are symmetrically installed with fixed rod, the support plate one side outer wall is symmetrically installed with sleeve pipe, the sleeve pipe and fixed rod are provided with the shock absorber of circular array distribution between, through setting fixed plate, support plate and shock absorber, reach the effect of relieving vibration, the crane can be pulled out by fixed plate and support plate to pile body operation, relieve the vibration in the process of pulling out, avoid vibration conduction to the crane, avoid the crane to shake due to too large vibration, improve the safety in the process of crane work.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pile driving equipment, in particular to equipment for assisting pile pulling. BACKGROUND

[0002] The pile driver is composed of a pile hammer, a pile frame and auxiliary equipment. The pile hammer is attached between two parallel vertical guide rods (commonly known as gantry) in the front part of the pile frame, and is lifted by a lifting hook. During the process of pulling out the pile body, the pile driver needs to be lifted by a crane, thereby completing the vibration and pulling process of the pile driver.

[0003] Patent No. CN110468844B discloses a hydraulic pile pulling equipment, which comprises a support shaft installed on the top of the machine body, and an adjusting device sleeved on the support shaft. The support shaft is divided into two groups, each group having two support shafts. The two groups of support shafts are located on the two sides of the machine body, and the top ends of the two groups of support shafts are fixedly connected with a horizontal plate. The main structure of the adjusting device is a control box, and the two sides of the control box are movably sleeved with limit plates. The limit plates are movably sleeved with the support shafts, and the bottom of the control box is movably sleeved with a transmission mechanism. The hydraulic pile pulling equipment rotates around the fixed rotating wheel through the transmission shaft and the rotating wheel, controls the movement of the rotating wheel to make the fixed rotating wheel do eccentric motion, and gradually increases the eccentric amplitude of the top end of the pile body to be pulled, so that the pile body can be quickly pulled out without manual knocking on the pile body, and the risk coefficient in the pile pulling process is reduced.

[0004] The prior art CN110468844B has many benefits, but still has the following problems. It lacks a damping structure, so that the vibration in the pile pulling process is transmitted to the crane, and the vibration is too large to cause the crane to shake. SUMMARY

[0005] The purpose of the present application is to provide equipment for assisting pile pulling to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application provides the following technical scheme: the equipment for assisting pile pulling comprises a fixed plate, a support plate and a connecting plate, the two outer walls of the fixed plate are provided with support plates, the outer walls of the fixed plate and the support plate are symmetrically provided with connecting plates, the two outer walls of the fixed plate are symmetrically provided with fixed rods, one side of the outer wall of the support plate is symmetrically provided with a sleeve, and the sleeve and the fixed rod are provided with circular array distributed shock absorbers.

[0007] When the device for cooperating with pile pulling in the technical scheme is used, the crane is connected with the support plate through the steel cable and the through hole, and the pile body is connected with the fixed plate through the steel cable and the lifting ring, so that the crane can pull out the pile body through the fixed plate and the support plate, and the vibration generated in the pulling-out process is transmitted to the shock absorber, and the shock absorber cooperates with the spring to absorb the shock, so as to relieve the vibration in the vibration pulling process.

[0008] Preferably, a through hole is formed in the outer wall of one side of the support plate, and the through hole is connected with the external steel cable, so that the external crane is connected with the support plate.

[0009] Preferably, a lifting ring is installed on the outer wall of the lower end of the fixed plate, and the lifting ring is connected with the pile body through the external steel cable, so that the pile body can be pulled out.

[0010] Preferably, a plurality of bolts arranged in a rectangular array are arranged in the connecting plate, and the connecting plate is connected with the fixed plate and the support plate through the bolts, so as to keep the connection stability between the connecting plate, the fixed plate and the support plate.

[0011] Preferably, a protective sleeve is fixed to the outer wall of one side of the connecting plate, and the protective sleeve shields the fixed rod and the sleeve pipe, so as to avoid the pollution of the fixed rod and the sleeve pipe.

[0012] Preferably, the diameter of the fixed rod is smaller than the inner diameter of the sleeve pipe, and the fixed rod is located in the sleeve pipe.

[0013] Preferably, a plurality of clamping sleeves arranged in a circular array are installed on the inner wall of the sleeve pipe and the outer wall of the fixed rod, the shock absorber is rotatably installed in the clamping sleeve, and the shock absorber can move between the sleeve pipe and the fixed rod through the clamping sleeve.

[0014] Preferably, a spring is arranged on the outer wall of the shock absorber, and the shock absorber cooperates with the spring to achieve the purpose of shock absorption between the sleeve pipe and the fixed rod, so as to realize the shock absorption between the fixed plate and the support plate.

[0015] Preferably, the size of the fixed plate is consistent with the size of the support plate.

[0016] Preferably, a movable hole is formed in the connecting plate, and the sleeve pipe and the fixed rod are located in the movable hole.

[0017] Compared with the prior art, the present application has the beneficial effects that: the present application sets the fixed plate, the support plate and the shock absorber, achieves the effect of relieving the vibration, the crane is connected with the support plate through the steel cable and the through hole, and the pile body is connected with the fixed plate through the steel cable and the lifting ring, so that the crane can pull out the pile body through the fixed plate and the support plate, and the vibration generated in the pulling-out process is transmitted to the shock absorber, and the shock absorber cooperates with the spring to reduce the vibration, thereby relieving the vibration in the pulling-out process, avoiding the vibration conduction to the crane, avoiding the excessive vibration causing the crane to shake, and improving the safety of the crane in the working process. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a fixed plate structure sectional view of the present application.

[0019] Fig. 2 It is an enlarged schematic view of the sleeve structure of the present application.

[0020] In the figure: 1, fixed plate; 11, lifting ring; 12, fixed rod; 13, clamping sleeve; 14, shock absorber; 15, spring; 2, support plate; 21, through hole; 22, sleeve; 3, connecting plate; 31, protective sleeve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figs. 1-2 , the present application provides two embodiments:

[0023] Embodiment one: the equipment cooperating with the pile pulling-out device, including the fixed plate 1, the support plate 2 and the connecting plate 3, the fixed plate 1 is provided with the support plate 2 on both sides of the outer wall, the fixed plate 1 and the support plate 2 are symmetrically installed with the connecting plate 3 on the outer wall, the fixed plate 1 is symmetrically installed with the fixed rod 12 on both sides of the outer wall, the support plate 2 is symmetrically installed with the sleeve 22 on one side of the outer wall, and the shock absorber 14 is arranged between the sleeve 22 and the fixed rod 12 in a circular array.

[0024] The through hole 21 is opened on the outer wall of one side of the support plate 2, and the through hole 21 can be connected with the external steel cable, so that the external crane is connected with the support plate 2.

[0025] The lifting ring 11 is installed on one side of the outer wall of the lower end of the fixed plate 1, and the lifting ring 11 can be connected with the pile body through the external steel cable, so that the pile body can be pulled out.

[0026] The connecting plate 3 is internally provided with bolts arranged in a rectangular array, and the connecting plate 3 is connected with the fixing plate 1 and the supporting plate 2 through the bolts, so that the connection stability between the connecting plate 3, the fixing plate 1 and the supporting plate 2 is maintained.

[0027] The connecting plate 3 is externally fixed with a protective sleeve 3 on one side, the protective sleeve 3 shields the fixing rod 12 and the sleeve 22, so that the fixing rod 12 and the sleeve 22 are prevented from being polluted, the crane is connected with the supporting plate 2 through the steel cable and the through hole 21, and the pile body is connected with the fixing plate 1 through the steel cable and the lifting ring 11, so that the crane can pull out the pile body through the fixing plate 1 and the supporting plate 2.

[0028] In the embodiment two, the equipment for pulling out the pile comprises the fixing plate 1, the supporting plate 2 and the connecting plate 3, the fixing plate 1 is externally provided with the supporting plate 2 on both sides, the fixing plate 1 and the supporting plate 2 are externally and symmetrically provided with the connecting plate 3, the fixing plate 1 is externally and symmetrically provided with the fixing rod 12 on both sides, the supporting plate 2 is externally and symmetrically provided with the sleeve 22 on one side, the sleeve 22 and the fixing rod 12 are externally and symmetrically provided with the shock absorber 14 arranged in a circular array, as known by those skilled in the art, the pile driving device of the present application also needs to provide the shock absorber 14 to make it work normally, and as known by those skilled in the art, the shock absorber 14 is commonly provided, which belongs to the conventional means or common knowledge, and will not be described here, and those skilled in the art can arbitrarily select and match according to their needs or convenience.

[0029] The diameter of the fixing rod 12 is smaller than the inner diameter of the sleeve 22, and the fixing rod 12 is located inside the sleeve 22.

[0030] The sleeve 22 and the fixing rod 12 are externally and symmetrically provided with the sleeve 13 arranged in a circular array, and the shock absorber 14 is rotatably installed inside the sleeve 13, so that the shock absorber 14 can move between the sleeve 22 and the fixing rod 12 through the sleeve 13.

[0031] The shock absorber 14 is externally provided with the spring 15, so that the shock absorber 14 can achieve the purpose of shock absorption between the sleeve 22 and the fixing rod 12 in cooperation with the spring 15, thereby achieving the shock absorption between the fixing plate 1 and the supporting plate 2.

[0032] The size of the fixing plate 1 is consistent with the size of the supporting plate 2.

[0033] The connecting plate 3 is internally provided with the movable hole, and the sleeve 22 and the fixing rod 12 are located inside the movable hole, the vibration generated during the pulling out of the pile is transmitted to the shock absorber 14, the shock absorber 14 performs shock absorption in cooperation with the spring 15, so as to relieve the vibration during the vibration pulling, avoid the vibration from being transmitted to the crane, avoid the vibration from being too large to cause the crane to shake, and improve the safety of the crane during the working process.

[0034] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the figures of the patent document.

Claims

1. Equipment for pulling out piles, comprising a fixing plate (1), a support plate (2) and a connecting plate (3), characterized in that: The both sides of the fixed plate (1) are provided with support plates (2), the fixed plate (1) and the support plate (2) are symmetrically provided with connecting plates (3) on the outer walls, the both sides of the fixed plate (1) are symmetrically provided with fixed rods (12), the support plate (2) is symmetrically provided with sleeves (22) on one side of the outer wall, the sleeves (22) and the fixed rods (12) are provided with shock absorbers (14) arranged in a circular array therebetween. The connecting plate (3) is internally provided with bolts arranged in a rectangular array, and the connecting plate (3) is connected with the fixed plate (1) and the support plate (2) by the bolts, so as to keep the connection between the connecting plate (3), the fixed plate (1) and the support plate (2) stable. The inner wall of the sleeve (22) and the outer wall of the fixed rod (12) are both provided with clamping sleeves (13) arranged in a circular array, the shock absorber (14) is rotatably installed in the clamping sleeve (13), and the shock absorber (14) can move between the sleeve (22) and the fixed rod (12) through the clamping sleeve (13). The outer wall of the shock absorber (14) is provided with a spring (15), and the shock absorber (14) can achieve the purpose of shock absorption between the sleeve (22) and the fixed rod (12) in cooperation with the spring (15), so as to realize shock absorption between the fixed plate (1) and the support plate (2).

2. A device for extracting a pile according to claim 1, characterized in that: The outer wall of the support plate (2) is provided with a through hole (21) at the upper end, and the through hole (21) can be connected with an external steel cable, so as to connect the external crane with the support plate (2).

3. A device for extracting a pile according to claim 1, characterized in that: The lower end of the fixed plate (1) is provided with a lifting ring (11) on one side of the outer wall, and the lifting ring (11) can be connected with the pile body through the external steel cable, so as to pull out the pile body.

4. The equipment for cooperative pile pulling according to claim 1, characterized in that: The connecting plate (3) is fixedly provided with a protective sleeve (31) on one side of the outer wall, the protective sleeve (31) shields the fixed rod (12) and the sleeve (22), so as to avoid pollution of the fixed rod (12) and the sleeve (22).

5. The equipment for cooperative pile pulling according to claim 1, characterized in that: The diameter of the fixed rod (12) is smaller than the inner diameter of the sleeve (22), and the fixed rod (12) is located in the sleeve (22).

6. The equipment for cooperative pile pulling according to claim 1, characterized in that: The size of the fixed plate (1) is consistent with the size of the support plate (2).

7. The equipment for cooperative pile pulling according to claim 1, characterized in that: The connecting plate (3) is internally provided with a movable hole, and the sleeve (22) and the fixed rod (12) are located in the movable hole.

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