CN218090843U - Low clearance vibration immersed tube pile driver - Google Patents

Abstract

The utility model discloses a low-clearance vibrating immersed tube pile driver, which comprises a frame, wherein four corners of the frame are respectively provided with a lifting oil cylinder, the top of the lifting oil cylinder is connected with a beam, the lower surface of the beam is provided with a vibrating hammer component, and the lower part of the vibrating hammer component is provided with a pile clamping component; the sufficient vibration speed and acceleration can destroy the adhesive force between the immersed tube and the soil quickly, so that the immersed tube and the soil are transited from a compact state to an instant separation state, the resistance of the immersed tube, especially the side resistance, is reduced quickly, the immersed tube sinks under the action of self-weight, and the vibration achieves the aim of immersing the tube by reducing the friction force between the tube and the soil, so that the tube can be pulled up by a force slightly larger than that between the immersed tube and the tube body under the condition of reducing the friction force between the tube and the soil of the immersed tube.

Description

Low clearance vibration immersed tube pile driver

Technical Field

The utility model relates to a pile driver technical field specifically is low headroom vibration immersed tube pile driver.

Background

The existing pipe sinking equipment is a full-slewing drilling machine under the condition of low headroom, and the equipment has the defects that:

1. the equipment cost is high, the construction cost is high, the environment is polluted, and the environment is not protected;

2. slurry is needed for both slurry retaining wall and suspended particle slag discharge, and the slurry causes environmental pollution to the field and the surrounding environment, so that the requirements of environmental protection and civilized construction which are increasingly emphasized by the modern society cannot be met;

3. circulating slurry, and depositing and deslagging need a slurry pool, so that a large construction site is occupied;

4. the hole forming speed is low, and the construction efficiency is low;

according to normal construction quality requirements and general geological stratum conditions, a rotary drilling machine drills holes about 8-10 meters every day, and the percussion drilling hole forming speed is slower;

5. the movement is inconvenient;

6. the automation degree is low, the labor intensity of operators is high, the working environment is poor, the automation degree of the percussion drilling machine and the rotary drilling machine is not high, the outdoor operation is basically realized, the working environment of the operators is severe, and the current social humanization and high automation trend is not met.

To this end, low clearance vibratory sinking pipe drivers have been proposed.

Disclosure of Invention

An object of the utility model is to provide a low headroom vibration immersed tube pile driver to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the low-clearance vibrating immersed tube pile driver comprises a frame, wherein four corners of the frame are respectively provided with a lifting oil cylinder, the top of each lifting oil cylinder is connected with a beam, the lower surface of the beam is provided with a vibrating hammer assembly, and the lower part of the vibrating hammer assembly is provided with a pile clamping assembly;

the vibration hammer assembly comprises a vibration hammer shell, a first through hole is formed in the middle of the vibration hammer shell, a plurality of transmission shafts are uniformly arranged on two sides of the interior of the vibration hammer shell, eccentric blocks are uniformly arranged on the outer side walls of the plurality of transmission shafts, the eccentric blocks are arranged in a staggered mode, and the plurality of transmission shafts are in transmission connection;

the pile clamping device comprises a pile clamping device shell, wherein a second through hole is formed in the middle of the pile clamping device shell, four clamping block oil cylinders are symmetrically arranged in the pile clamping device shell, a clamping block is arranged on a piston rod of each clamping block oil cylinder, the clamping block is located inside the second through hole, two inserting plate oil cylinders are further arranged inside the pile clamping device shell, and inclined inserting plates used for limiting the clamping block are arranged on piston rods of the inserting plate oil cylinders.

Preferably, the following components: the fixture block is an arc-shaped plate body.

Preferably: the first through hole and the second through hole are located on the same central shaft.

Preferably: the bottom of the frame is provided with a crawler.

Preferably, the following components: and a crane is arranged above one side of the tracked vehicle.

Preferably, the following components: a control room is installed on one side of the tracked vehicle.

Preferably, the following components: the top of the lifting oil cylinder is provided with an oil cylinder ball head, the lower surface of the cross beam is provided with a ball socket, and the oil cylinder ball head is matched with the ball socket.

Preferably, the following components: and one end of the transmission shaft is provided with a triangular belt wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the equipment cost is low, the construction cost is low, the environment is protected, and the environment is not polluted; the hole forming speed is high, the construction efficiency is high, holes are drilled about 120 meters every day according to normal construction quality requirements and general geological stratum conditions, and the movement is flexible; the automation degree is high, and the labor intensity of operators is low;

2. the equipment does not need a mud retaining wall, utilizes a resonance theory, when the forced vibration frequency of the immersed tube is consistent with the vibration frequency of soil particles, the soil particles generate resonance, at the moment, the soil particles have large amplitude, and enough vibration speed and acceleration can quickly destroy the adhesive force between the soil and the immersed tube, so that the immersed tube and the soil are transited from a compact state to an instant separation state, the resistance of the immersed tube, particularly the lateral resistance, is quickly reduced, the immersed tube sinks under the action of self weight, and the aim of immersing the tube is achieved by reducing the friction force between the tube and the soil due to vibration, so that the tube can be pulled up by the force slightly larger than that of the immersed tube and a tube body under the condition of reducing the friction force between the immersed tube and the soil.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the rack of the present invention;

FIG. 3 is a schematic structural view of the pile gripper assembly of the present invention;

fig. 4 is a schematic structural view of the oblique insertion plate of the present invention;

fig. 5 is a schematic structural view of the vibration hammer assembly of the present invention.

In the figure: 1. a frame; 2. a lift cylinder; 3. an oil cylinder ball head; 4. a ball socket; 5. a cross beam; 6. a vibratory hammer assembly; 61. a triangular belt wheel; 62. a drive shaft; 63. an eccentric block; 64. a first through hole; 65. a vibratory hammer housing; 7. a pile gripper assembly; 71. a fixture block oil cylinder; 72. a clamping block; 73. a plate inserting oil cylinder; 74. oblique inserting plates; 75. a second through hole; 76. a pile gripper housing; 8. a tracked vehicle; 9. hoisting a machine; 10. and a control room.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: the low-clearance vibrating immersed tube pile driver comprises a frame 1, wherein four corners of the frame 1 are respectively provided with a lifting oil cylinder 2, the top of the lifting oil cylinder 2 is connected with a cross beam 5, the lower surface of the cross beam 5 is provided with a vibrating hammer assembly 6, and the lower part of the vibrating hammer assembly 6 is provided with a pile clamping assembly 7;

the vibration hammer assembly 6 comprises a vibration hammer shell 65, a first through hole 64 is formed in the middle of the vibration hammer shell 65, a plurality of transmission shafts 62 are uniformly arranged on two sides of the interior of the vibration hammer shell 65, eccentric blocks 63 are uniformly arranged on the outer side walls of the transmission shafts 62, the eccentric blocks 63 are arranged in a staggered mode, and the transmission shafts 62 are in transmission connection;

the pile clamping device assembly 7 comprises a pile clamping device shell 76, a second through hole 75 is formed in the middle of the pile clamping device shell 76, four fixture block oil cylinders 71 are symmetrically mounted inside the pile clamping device shell 76, fixture blocks 72 are mounted on piston rods of the fixture block oil cylinders 71, the fixture blocks 72 are located inside the second through hole 75, two inserting plate oil cylinders 73 are further mounted inside the pile clamping device shell 76, and inclined inserting plates 74 used for limiting the fixture blocks 72 are mounted on piston rods of the inserting plate oil cylinders 73.

As shown in fig. 3: the block 72 is an arc plate.

As shown in fig. 1: the first through hole 64 and the second through hole 75 are on the same central axis.

As shown in fig. 1: the bottom of the frame 1 is provided with a crawler 8.

As shown in fig. 1: a crane 9 is arranged above one side of the crawler 8.

As shown in fig. 1: a control cab 10 is mounted to one side of the crawler 8.

As shown in fig. 2: an oil cylinder ball 3 is mounted at the top of the lifting oil cylinder 2, a ball socket 4 is mounted on the lower surface of the cross beam 5, and the oil cylinder ball 3 is matched with the ball socket 4.

As shown in fig. 5: a triangular pulley 61 is attached to one end of the transmission shaft 62.

The working principle is as follows:

pile gripper assembly 7: the pile clamping device has the advantages that a steel pipe inserted into the middle of the pile clamping device can be stretched through the clamping block oil cylinder 71 to clamp or loosen the steel pipe, the pile clamping device is connected to the lower portion of the vibration hammer assembly 6 and connected with the vibration hammer assembly 6 through screws to form rigid connection, the pile clamping device and the vibration hammer assembly 6 vibrate up and down, the four sides in the pile clamping device assembly 7 are respectively provided with a clamping block 72, the four clamping blocks 72 are respectively driven by the four clamping block oil cylinders 71, and the two clamping blocks 72 push the inclined insertion plate 74 through the insertion plate oil cylinder 73 above the two clamping blocks 72 after clamping the steel pipe to be locked with the pile clamping device shell 76, so that the rigid connection can be formed, and reliable work can be achieved.

Vibration hammer assembly 6: the device is characterized in that a motor rotates to drive a plurality of groups of eccentric blocks 63 on a transmission shaft 62 to rotate through a triangular belt wheel 61 to generate centrifugal force, the upper and lower forces are superposed, the left and right forces are offset, the upper and lower forces vibrate to generate exciting force, a steel pipe is inserted in the middle of the pile clamping assembly 7 after the pile clamping assembly 7 is connected, the steel pipe is clamped by the pile clamping assembly 7, and the steel pipe can be sunk into the soil by starting a vibration hammer assembly 6.

And (3) lifting the oil cylinder 2: the function of the device is to lift the vibration hammer assembly 6 and the pile clamping assembly 7, the oil cylinder ball 3 at the upper part of the device is connected with the ball socket 4 on the cross beam 5, an oil pump is started, oil is supplied to the oil cylinders through an electromagnetic valve, and the four oil cylinders are lifted and fall down simultaneously.

A cab: the tail part of a crane 9 is connected with a frame 1 through a shaft pin, the crane is dragged to travel together when a crawler travels, a pump station system, an operating system and an electric control cabinet are arranged on the crane, and the crawler travels, an oil cylinder is lifted, a vibration hammer is started, a pile clamping device is clamped and loosened, and the crane 9 works by operating corresponding buttons on the crane.

Because the total height of the device is only 4.5 meters, the device can be constructed as long as the upper part of a construction part is higher than 4.5 meters. Before construction, construction paying-off is carried out to determine a steel pipe driving point, marking is carried out to find out a central point, a pointed pendant is tied at a center hole of a vibration hammer assembly 6, then the vibration hammer assembly 6 is lifted to a certain height to enable a pile clamping assembly 7 to leave the ground by about 20 cm, then a crawler is driven to walk, the pointed pendant in the center hole of the vibration hammer assembly 6 is aligned with a pile point on the ground, then leveling of equipment is adjusted through lifting oil cylinders 2 at four corners of a rack 1, whether the rack 1 is flat or not is determined by observing a bubble level gauge on the rack 1, after the adjustment is finished, a crane 9 is started to lift and insert a steel pipe to be sunk into middle holes of the vibration hammer assembly 6 and the pile clamping assembly 7, then the oil cylinders are lifted, the vibration hammer assembly 6 is lifted to the maximum height to supply oil to a clamping oil cylinder 71, the steel pipe is tightly clamped, then the vibration hammer assembly 6 is started to enable the vibration hammer assembly 6 and the pile clamping assembly 7 to vibrate up and down together with the steel pipe, after the vibration hammer assembly 6 is completely started, the vibration hammer assembly 6 and the steel pipe is slowly inserted into the pile clamping assembly 7, then the vibration hammer assembly is lifted, the pile clamping assembly 7 slowly falls, the vibration hammer assembly is lifted, the pile clamping assembly 6 and the pile clamping assembly 7 is lifted to be loosened, the pile clamping assembly 7, and the pile clamping assembly 6 is slowly, and the pile clamping assembly 7, and the pile clamping assembly is lifted. When the length of the steel pipe is not enough, a crane 9 is used for hoisting a new steel pipe to be welded with the upper part of the steel pipe which is firstly driven. And continuing to repeat the previous operation until the designed depth is driven. After construction is finished, the vibration hammer assembly 6 and the pile clamping assembly 7 are jacked to a certain height and moved to the next pile position to continue construction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Low headroom vibration immersed tube pile driver, including frame (1), its characterized in that: four corners of the rack (1) are respectively provided with a lifting oil cylinder (2), the top of each lifting oil cylinder (2) is connected with a cross beam (5), the lower surface of each cross beam (5) is provided with a vibration hammer component (6), and the lower part of each vibration hammer component (6) is provided with a pile clamping component (7);

the vibration hammer assembly (6) comprises a vibration hammer shell (65), a first through hole (64) is formed in the middle of the vibration hammer shell (65), a plurality of transmission shafts (62) are uniformly arranged on two sides of the interior of the vibration hammer shell (65), eccentric blocks (63) are uniformly arranged on the outer side walls of the transmission shafts (62), the eccentric blocks (63) are arranged in a staggered mode, and the transmission shafts (62) are in transmission connection;

pile gripper subassembly (7) are including pile gripper casing (76), the middle part of pile gripper casing (76) is equipped with second through-hole (75), four fixture block hydro-cylinders (71) are installed to the inside symmetry of pile gripper casing (76), install fixture block (72) on the piston rod of fixture block hydro-cylinder (71), fixture block (72) are located the inside of second through-hole (75), two picture peg hydro-cylinders (73) are still installed to the inside of pile gripper casing (76), install on the piston rod of picture peg hydro-cylinder (73) and be used for carrying out spacing diagonal picture peg (74) to fixture block (72).

2. The low headroom vibratory sinking pipe pile driver of claim 1, wherein: the clamping block (72) is an arc-shaped plate body.

3. The low headroom vibratory sinking pipe pile driver of claim 1, wherein: the first through hole (64) and the second through hole (75) are located on the same central axis.

4. The low headroom vibratory sinking pipe pile driver of claim 1, wherein: the bottom of the frame (1) is provided with a crawler (8).

5. The low clearance vibratory pipe caisson pile driver of claim 4, wherein: and a crane (9) is arranged above one side of the tracked vehicle (8).

6. The low headroom vibratory sinking pipe pile driver of claim 4, wherein: and a control room (10) is installed on one side of the crawler (8).

7. The low headroom vibratory sinking pipe pile driver of claim 1, wherein: an oil cylinder ball head (3) is installed at the top of the lifting oil cylinder (2), a ball socket (4) is installed on the lower surface of the cross beam (5), and the oil cylinder ball head (3) is matched with the ball socket (4).

8. The low headroom vibratory sinking pipe pile driver of claim 1, wherein: and a triangular belt wheel (61) is installed at one end of the transmission shaft (62).

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