CN109881673B

CN109881673B - Hammer type pile driver with adjustable force

Info

Publication number: CN109881673B
Application number: CN201910137264.4A
Authority: CN
Inventors: 蒋利
Original assignee: ANHUI RUIDA MACHINERY CO LTD
Current assignee: ANHUI RUIDA MACHINERY CO LTD
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2021-05-28
Anticipated expiration: 2039-02-25
Also published as: CN109881673A

Abstract

The invention discloses a force-adjustable hammer type pile driver, which comprises a supporting table, wherein a sliding rod is movably inserted in a sliding rod hole, a lifting motor is fixedly arranged on a motor base, a lifting screw rod is fixedly arranged on a driving shaft of the lifting motor, a framework is fixedly arranged on the supporting table, a sliding rod is fixedly arranged on a sliding rod base, moving bases are movably arranged on the two sliding rods, first extrusion springs are fixedly arranged at four corners of the upper part of each moving base, an extrusion block is fixedly connected with a second extrusion spring, a pile driving hammer is fixedly arranged at one end, away from the moving bases, of a connecting rod, a lifting block is movably arranged on the pile driving screw rod, and a fastening knob is also movably arranged on each extrusion base. And water can be injected into the ground through the water injection rod, so that the soil is wetted, the piling work is assisted, and the piling speed is improved.

Description

Hammer type pile driver with adjustable force

Technical Field

The invention relates to the technical field of piling devices, in particular to a hammer type pile driver with adjustable force.

Background

In the prior art, the application number of the small-sized construction pile driver for civil engineering is 'CN 201710873292.3', and the small-sized construction pile driver comprises a base, a knocking rod, a device body, a movable seat, a mounting seat and an extrusion rod; limiting rods and screw rods are symmetrically arranged inside the base; the device body is fixedly arranged on the movable seat, a support column is also fixedly arranged on the left side of the device body on the movable seat, and a swing frame is rotatably arranged on the upper side of the support column; a sleeve is fixedly arranged on the top wall of the device body, and the upper side of the extrusion rod is slidably arranged in the sleeve; the left and right sides symmetry of extrusion stem is provided with two rows of teeth, the inside from the top down of device body rotates in proper order and installs second gear, third gear and first gear, and above-mentioned device is through setting up a plurality of gears to with the spring fit, can adjust the pile dynamics, set up truckle and sliding seat simultaneously, so that hit the change of beating hammer position, the flexible operation, convenient to use improves pile efficiency greatly.

But the small-sized construction pile driver for civil engineering still has obvious defects in the using process: 1. the device drives the striking hammer to move through the swing frame so as to carry out piling work, but the swing range of the swing frame is limited so that the piling force is small and the piling work of a hard foundation cannot be carried out; 2. The device cannot adjust the piling strength according to the size of the ground pile and the hardness of the foundation, and the piling work can be influenced by the hammering operation which is too light or too heavy; 3. the above-described apparatus can only pile by collision during the piling process without other auxiliary piling operations, which may result in poor piling efficiency.

Disclosure of Invention

The invention aims to provide a hammer type pile driver with adjustable force, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a force-adjustable hammer type pile driver comprises a supporting table, wherein slide rod holes are formed in four corners of the supporting table, slide rods are movably inserted in the slide rod holes, a motor base is fixedly installed at the tops of the slide rods, a lifting motor is fixedly installed on the motor base, a lifting lead screw is fixedly installed on a driving shaft of the lifting motor, the lifting lead screw is movably installed in a threaded hole formed in the supporting table, one end, away from the motor base, of each slide rod is fixedly connected with a supporting leg, a lead screw base is fixedly installed on each supporting leg, and a lifting lead screw is movably installed in each lead screw base;

the device comprises a support table, a framework, a slide rod seat, a slide rod, a first extrusion spring, a second extrusion spring, a pile hammer, a pile driving screw rod, a lifting motor, a lifting block, a pile driving screw rod, a lifting motor and a lifting motor, wherein the framework is fixedly arranged on the support table, the slide rod seats are fixedly arranged on two sides of the inner wall of the framework, the slide rods are fixedly arranged on the slide rod seats, one ends of the slide rods, far away from the slide rod seats, are fixedly connected with the framework, the two slide rods are movably provided with a movable seat, the four corners of the upper part of the movable seat are fixedly provided with the first extrusion spring, one ends of the first extrusion spring, far away from the movable seat, are fixedly connected with the framework, the two ends of the movable seat are also movably provided with the extrusion blocks, the extrusion blocks are fixedly connected with the second extrusion spring, the lifting block is matched with the extrusion block for use, the framework is further movably provided with an extrusion seat, the extrusion seat is movably arranged in sliding grooves formed in two sides of the framework, and the extrusion seat is further movably provided with a fastening knob.

Preferably, still fixed mounting has the cam in the drive shaft of promotion motor, the cam is connected with the pole cooperation of inflating of inflater, the end and the sealed water tank intercommunication of giving vent to anger of inflater, sealed water tank passes through pipeline and water injection pole intercommunication, the inside water injection way of having seted up of water injection pole, water injection pole bottom fixed mounting has the puncture arch, the water injection ring has been seted up on the water injection pole, the water injection hole has been seted up on the water injection ring, water injection hole and water injection way intercommunication.

Preferably, a matching seat is fixedly arranged on the slide rod seat.

Compared with the prior art, the invention has the beneficial effects that:

1. the pile driving hammer is lifted and then released, and the pile driving hammer is accelerated to descend through the gravity of the pile driving hammer and the downward elastic potential energy of the spring and finally contacts with the pile, so that the pile is driven into the ground, and the pile driving operation is completed;

2. the invention can adjust the piling strength according to the size of the pile and the hardness of the foundation, effectively protects the pile body and ensures that the pile body can be driven into the ground after being effectively impacted;

3. the invention can not only carry out rigid collision to drive the pile body into the ground, but also inject moisture into the ground through the water injection rod, thereby wetting the soil, assisting the piling work and improving the piling speed.

The invention lifts and releases the pile driving hammer, utilizes the accelerated descending of the pile driving hammer to carry out pile driving, simultaneously has adjustable pile driving force, and can also inject water into the ground through the water injection rod, thereby wetting the soil, assisting the pile driving work and improving the pile driving speed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the movable base according to the present invention;

fig. 3 is a schematic view of the connection structure of the inflator according to the present invention;

FIG. 4 is a schematic view of the water injection rod according to the present invention.

In the figure: 1 supporting table, 2 sliding rods, 3 motor bases, 4 lifting motors, 5 lifting screw rods, 6 supporting legs, 7 screw rod bases, 8 frameworks, 9 sliding rod bases, 10 sliding rods, 11 moving bases, 12 first extrusion springs, 13 extrusion blocks, 14 second extrusion springs, 15 connecting rods, 16 pile driving hammers, 17 pile driving screw rods, 18 lifting motors, 19 lifting blocks, 20 extrusion bases, 22 fastening knobs, 23 cams, 24 inflators, 25 sealing water tanks, 26 water injection rods, 27 water injection channels, 28 puncture bulges, 29 water injection rings, 30 water injection holes, 31 matching bases and 32 piles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a force-adjustable hammer pile driver comprises a supporting table 1, wherein the supporting table 1 is used for supporting a superstructure, slide rod holes are formed in four corners of the supporting table 1, slide rods 2 are movably inserted in the slide rod holes, the supporting table 1 can move up and down on the slide rods 2, a motor base 3 is fixedly installed at the top of each slide rod 2, a lifting motor 4 is fixedly installed on each motor base 3, each lifting motor 4 serves as a power device for the support table 1 to move up and down, a lifting lead screw 5 is fixedly installed on a driving shaft of each lifting motor 4, each lifting lead screw 5 rotates to drive each lifting lead screw 5 to rotate, each lifting lead screw 5 is movably installed in a threaded hole formed in the supporting table 1, each lifting lead screw 5 rotates to enable the supporting table 1 to move up and down, one end, far away from the motor base 3, of each slide rod 2, a screw rod seat 7 is fixedly arranged on the supporting leg 6, a lifting screw rod 5 is movably arranged in the screw rod seat 7, and when the pile 32 sinks in the piling process, the lifting motor 4 is adjusted to drive the supporting table 1 to descend, so that the pile 32 is integrally driven into the ground;

a framework 8 is fixedly arranged on the supporting table 1, the framework 8 is a bearing device for various internal parts, sliding rod seats 9 are fixedly arranged on two sides of the inner wall of the framework 8, sliding rods 10 are fixedly arranged on the sliding rod seats 9, one ends of the sliding rods 10 far away from the sliding rod seats 9 are fixedly connected with the framework 1, moving seats 11 are movably arranged on the two sliding rods 10, the moving seats 11 can move up and down on the sliding rods 10, first extrusion springs 12 are fixedly arranged at four corners of the upper portion of the moving seats 11, the first extrusion springs 12 are used for extruding the moving seats 11 downwards so as to drive pile hammers 16 to move downwards and finally hammer piles 32, one ends of the first extrusion springs 12 far away from the moving seats 11 are fixedly connected with the framework 1, extrusion blocks 13 are also movably arranged at two ends of the moving seats 11, the extrusion blocks 13 are fixedly connected with second extrusion springs 14, the second extrusion springs 14 are used for extruding the extrusion blocks 13 under the effect of no external force, the second extrusion spring 14 is fixedly installed in the movable base 11, the bottom of the movable base 11 is fixedly installed with a connecting rod 15, one end of the connecting rod 15 far away from the movable base 11 is fixedly installed with a pile driving hammer 16, the pile driving hammer 16 is used for impacting with a pile column 32 so as to drive the pile column to the ground, the slide bar base 9 is also movably installed with a pile driving screw rod 17, the bottom of the pile driving screw rod 17 is fixedly connected with a driving shaft of a lifting motor 18, the pile driving hammer 16 continuously repeats ascending and descending steps through forward and reverse rotation of the lifting motor 18 so as to drive the pile column 32 to the ground, the lifting motor 18 rotates to drive the pile driving screw rod 17 to rotate, a lifting block 19 is movably installed on the pile driving screw rod 17, the pile driving screw rod 17 rotates to drive the lifting block 19 to move up and down, the lifting block 19 is used in cooperation with the extrusion block 13, when the lifting block 19 is lifted, the lifting block 19 is in cooperation with the extrusion block 13, the framework 1 is also movably provided with a squeezing seat 20, the squeezing seat 20 can move up and down on two sides of the framework 1, so as to determine the maximum height of the movable seat 11, the beating force is adjusted by adjusting the rising height of the movable seat 11, when smaller force is needed, the squeezing seat 20 only needs to be moved to a lower height, when the movable seat 11 is lifted to the bottom of the squeezing seat 20 by the lifting block 19, the squeezing block 13 is matched with the squeezing seat 20, when the lifting block 19 continues to rise, the squeezing block 13 is squeezed towards the inside of the movable seat 11, finally the squeezing block 13 is separated from the lifting block 19, the movable seat 11 falls under the action of the pile hammer 16 and the first squeezing spring 12, so as to beat the pile 32, and in the same way, if larger beating force is needed, the squeezing seat 20 only needs to be moved to a higher position, and then the movable seat 11 descends after reaching the corresponding height, the device can obtain larger gravitational potential energy and elastic potential energy, the extrusion seat 20 is movably arranged in sliding grooves formed in two sides of the framework 1, the extrusion seat 20 is also movably provided with a fastening knob 22, and the position of the extrusion seat 20 is conveniently adjusted by tightening and loosening the fastening knob 22.

Preferably, a cam 23 is fixedly mounted on a driving shaft of the lifting motor 18, the lifting motor 18 rotates to drive the cam 23 to rotate, the cam 23 is connected with a pumping rod of the air pump 24 in a matching manner, the cam 23 rotates to drive the pumping rod of the air pump 24 to reciprocate, an air outlet end of the air pump 24 is communicated with a sealed water tank 25, so that air of the air pump 24 is pumped into the sealed water tank 25, the sealed water tank 25 is communicated with a water injection rod 26 through a pipeline, the pressure of high-pressure air entering the sealed water tank 25 is increased, so that water inside the sealed water tank is squeezed into the water injection rod 26, a water injection channel 27 is formed inside the water injection rod 26, water flows into the ground through the water injection channel 27, the water injection rod 26 is driven into the ground together with the pile column 32 under the impact of the pile hammer 16, a puncture bulge 28 is fixedly mounted at the bottom of the water injection rod 26, the water injection rod 26 is provided with a water injection ring 29, the water injection ring 29 is provided with a water injection hole 30, the water injection hole 30 is communicated with the water injection channel 27, and water in the water injection channel 27 flows into the ground through the water injection hole 30 so as to be absorbed by the soil, so that the hardness of the soil is reduced, and the pile 32 is convenient to descend.

Preferably, a matching seat 31 is fixedly arranged on the slide rod seat 9, and the matching seat 31 is used for preventing the height of the movable seat 11 from being too low and ensuring that the lifting block 19 can be matched with the squeezing block 13 from the lowest point.

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

1. The utility model provides an adjustable type hammer pile driver of dynamics, includes brace table (1), its characterized in that: sliding rod holes are formed in four corners of the supporting table (1), sliding rods (2) are movably inserted in the sliding rod holes, a motor base (3) is fixedly installed at the tops of the sliding rods (2), a lifting motor (4) is fixedly installed on the motor base (3), a lifting lead screw (5) is fixedly installed on a driving shaft of the lifting motor (4), the lifting lead screw (5) is movably installed in a threaded hole formed in the supporting table (1), one end, far away from the motor base (3), of each sliding rod (2) is fixedly connected with a supporting leg (6), a lead screw base (7) is fixedly installed on each supporting leg (6), and each lifting lead screw (5) is movably installed in each lead screw base (7);

the supporting table is characterized in that a framework (8) is fixedly mounted on the supporting table (1), sliding rod seats (9) are fixedly mounted on two sides of the inner wall of the framework (8), sliding rods (10) are fixedly mounted on the sliding rod seats (9), one ends of the sliding rod seats (9) and the framework (8) are far away from the sliding rods (10), movable mounting is performed on the two sliding rods (10) to move the seats (11), first extrusion springs (12) are fixedly mounted at four corners of the upper portions of the moving seats (11), one ends of the moving seats (11) and the framework (8) are far away from the first extrusion springs (12), extrusion blocks (13) are further movably mounted at two ends of the moving seats (11), the extrusion blocks (13) and second extrusion springs (14) are fixedly connected, the second extrusion springs (14) are fixedly mounted in the moving seats (11), and connecting rods (15) are fixedly mounted at the bottoms of the moving seats (11), connecting rod (15) are kept away from and are removed seat (11) one end fixed mounting and have pile hammer (16), still movable mounting has pile lead screw (17) on slide bar seat (9), the drive shaft fixed connection of pile lead screw (17) bottom and elevator motor (18), movable mounting has lifting block (19) on pile lead screw (17), lifting block (19) and extrusion piece (13) cooperation are used, still movable mounting has extrusion seat (20) on skeleton (8), extrusion seat (20) movable mounting is in the spout that skeleton (8) both sides were seted up, still movable mounting has fastening knob (22) on extrusion seat (20).

2. A force adjustable hammer pile driver according to claim 1, wherein: still fixed mounting has cam (23) in the drive shaft of promotion motor (18), cam (23) are connected with the pole cooperation of inflating of inflater (24), the end of giving vent to anger and sealed water tank (25) intercommunication of inflater (24), sealed water tank (25) are through pipeline and water injection pole (26) intercommunication, water injection pole (26) inside water injection way (27) have been seted up, water injection pole (26) bottom fixed mounting has puncture arch (28), water injection ring (29) have been seted up on water injection pole (26), water injection hole (30) have been seted up on water injection ring (29), water injection hole (30) and water injection way (27) intercommunication.

3. A force adjustable hammer pile driver according to claim 1, wherein: and a matching seat (31) is also fixedly arranged on the sliding rod seat (9).