CN112761147A

CN112761147A - Top hoist of piling machinery

Info

Publication number: CN112761147A
Application number: CN202110070756.3A
Authority: CN
Inventors: 王子丰
Original assignee: Anshan Zizhu High Tech Equipment Manufacturing Co Ltd
Current assignee: Anshan Zizhu High Tech Equipment Manufacturing Co Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-05-07

Abstract

The top winch of the piling machinery comprises a rotary table, a winch main body, a pulley and a lifting appliance lock, wherein the winch main body is installed at the top of a secondary mast of a pile machine through the rotary table, the pulley is arranged at the front end of the winch main body, and a steel wire rope on the winch main body bypasses the pulley to be connected with the lifting appliance lock. The invention has the beneficial effects that the top winch of the piling machine can realize automatic positioning of swinging of the mast of the crawler-type piling machine, ensure the construction precision and stability, reduce the labor intensity of workers, improve the construction operation efficiency and simultaneously ensure that the piling machine is suitable for more working conditions.

Description

Top hoist of piling machinery

Technical Field

The invention relates to a pile driver, in particular to a top winch of piling machinery.

Background

The engineering machinery used for pile driving operation at present mainly comprises a hydraulic pile driver, a hydraulic vibration hammer, a hydraulic impact hammer, a walking pile driver and a crawler pile driver. The crawler-type pile driver is an engineering machine for driving a steel sheet pile into the ground by using a vibration hammer or an impact hammer which is equipped by the crawler-type pile driver, and mainly comprises a mechanical structure, a power system, an electro-hydraulic control system, a working machine and the like, wherein the mechanical structure comprises a luffing mechanism, a tilting mechanism, a swinging mechanism, a telescopic mast mechanism, a hoisting mechanism and the like. The pile driving principle is that the steel pile is driven into the ground by the self weight of the pile driver and the vibration or hammering of the working machine. The pile pulling construction principle is that a reaction force seat at the bottom of the mast props against the ground, an oil cylinder of the auxiliary mast pushes the auxiliary mast to move upwards, and a working machine is driven to move upwards through a pulley, so that pulling force is applied to the pile. The machine has the advantages of high integration level, small volume, high efficiency and the like, can not only realize the operations of vibration pile sinking, impact pile driving and static pressure pile planting of various steel piles, but also realize the operations of pre-drilling, diaphragm wall, deep stirring and the like.

Construction work can put forward many requirements to crawler pile driver, if remove a slice or several piles, dismouting self counter weight, change situations such as working machine, the pile driver needs self to be equipped with the hoist. The existing construction scheme is realized by using a truck crane or a crawler crane, so that the construction cost is increased, and the operation efficiency is reduced. In some narrow construction environments, potential safety hazards are also brought.

Disclosure of Invention

The invention aims to provide a top winch of piling machinery, which can realize the rotary positioning of the top winch, reduce the auxiliary work time, reduce the labor intensity of workers, improve the construction work efficiency and simultaneously enable a pile driver to be suitable for more working conditions.

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

the top winch of the piling machinery comprises a rotary table, a winch main body, a pulley and a lifting appliance lock, wherein the winch main body is installed at the top of a secondary mast of a pile machine through the rotary table, the pulley is arranged at the front end of the winch main body, the winch main body is provided with a hydraulic winch, and a steel wire rope on the hydraulic winch bypasses the pulley to be connected with the lifting appliance lock.

The revolving platform includes that the gyration is supported, hydraulic swing hydro-cylinder, swing hydro-cylinder switching dish, hoist switching dish, is turned round the swivel seat, hydraulic swing hydro-cylinder sets up the bottom central point at the hoist main part and puts to through the base fixed connection of swing hydro-cylinder switching dish with the hoist main part, hoist switching dish and vice mast fixed connection, turn round the swivel seat and set up the central point of putting and with hoist switching dish fixed connection at the hoist switching dish, set up the gyration between the base of hoist switching dish and hoist main part and support, the output shaft of hydraulic swing hydro-cylinder stretches into in turning round the swivel seat and turns round a fixed connection.

The pulley swing mechanism comprises a pulley swing shaft and a pulley swing shaft sleeve, wherein the pulley swing shaft is fixed at the front part of the winch, the pulley swing shaft sleeve is sleeved on the pulley swing shaft and is in sliding connection with the pulley swing shaft, and a pulley frame is fixedly connected with the pulley swing shaft sleeve.

The steel wire rope guide frame is characterized by further comprising a steel wire rope guide frame and a steel wire rope shaft sleeve, wherein the steel wire rope shaft sleeve is fixed at the bottom of the steel wire rope guide frame, the upper end of the steel wire rope guide frame is installed on the pulley shaft and can rotate around the pulley shaft, and the steel wire rope bypasses the pulley and is connected in the steel wire rope shaft sleeve in a penetrating mode.

And the rear side of the hoisting main body is connected with a header assembly through a cantilever rod.

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

1) the hydraulic swing oil cylinder is used as a driving device for the rotary motion, and the automatic locking function is realized when the motion stops. The top winch can be automatically positioned within the swing range, and the brake is not required to be installed. The winch has simple structure and low cost.

2) The steel wire rope guide frame can swing around the pulley shaft, so that impact force generated when heavy objects are hoisted cannot be directly loaded on the winch main body, the service life of the winch is prolonged, the failure rate is reduced, and the stability is improved. The pile driver is suitable for more working conditions, and construction flexibility is stronger.

3) The hoisting rotation is matched with the back tilting of the mast, so that the self counterweight of the pile driver can be assembled and disassembled. The cost and the waiting time of a crane used independently are saved, the labor intensity of workers is reduced, the time of auxiliary work is reduced, and the piling operation efficiency is improved.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a schematic view of a turning mechanism in the present invention.

Fig. 4 is a cross-sectional view of a pulley and pulley shaft arrangement.

Fig. 5 is a schematic view of the installation of the present invention on a pile machine.

In the figure: 1. the hydraulic lifting device comprises a lifting main body, 2, a lifting front part, 3, a lifting adapter disc, 4, a rotary support, 5, a pulley frame, 6, a pulley, 7, a pulley shaft sleeve, 8, a steel wire rope guide frame, 9, a connecting shaft, 10, a pulley swinging shaft, 11, a pulley shaft, 12, a pulley swinging shaft sleeve, 13, a steel wire rope shaft sleeve, 14, a torsion seat, 15, a hydraulic winch, 16, a hydraulic winch compression roller, 17, a hydraulic swinging oil cylinder, 18, a swinging oil cylinder adapter disc, 19, a header assembly, 20, a cantilever rod, 21, a lifting appliance lock and 22 and a pile machine auxiliary mast.

Detailed Description

The present invention will be described in detail below, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1-5, a top winch of a piling machine includes a turntable, a winch main body 1, a pulley 6, and a hanger lock 21, wherein the winch main body 1 is installed on the top of a mast 22 of a pile driver through the turntable, the pulley 6 is disposed at the front end of the winch main body 1, the winch main body 1 is provided with a hydraulic winch 15, and a steel wire rope on the hydraulic winch 15 bypasses the pulley 6 and is connected with the hanger lock 21. The hydraulic winch 15 rotates to take up and release the steel wire rope.

The rotary table comprises a rotary support 4, a hydraulic swing oil cylinder 17, a swing oil cylinder adapter plate 18, a winch adapter plate 3 and a torsion seat 14, wherein the hydraulic swing oil cylinder 17 is arranged at the center of the bottom of the winch main body 1, and is fixedly connected with the base of the hoisting main body 1 through a swing oil cylinder adapter plate 18, the swing oil cylinder adapter plate 18 is connected with the base of the hoisting main body 1 through a bolt, the winch adapter plate 3 is fixedly connected with the auxiliary mast through bolts, the torsion seat 14 is arranged at the central position of the winch adapter plate 3 and is fixedly connected with the winch adapter plate 3 through bolts, the winch adapter plate 3 is fixedly connected with the inner ring of the rotary support 4 through a bolt, the base of the winch main body 1 is fixedly connected with the outer ring of the rotary support 4 through a bolt, an output shaft of the hydraulic swing oil cylinder 17 extends into the torsion seat 14 and is fixedly connected with the torsion seat 14.

The output shaft of the hydraulic swing oil cylinder 17 is in a flat key form and is inserted into the torsion seat 14 to provide a rotation torque for the whole winch, so that the winch can rotate by 90 degrees left and right relative to the mast. The structure is simple, the bearing capacity is strong, the assembly is simple and convenient, and the assembly and maintenance efficiency is improved.

The top winch can adapt to different pile machine types by replacing different winch switching disks 3, so that the winch has a wider application range.

The rotary support 4 provides axial and radial positioning for the whole winch and bears the tipping moment during hoisting.

The hoisting device further comprises a pulley swing shaft 10 and a pulley swing shaft sleeve 12, wherein the pulley swing shaft 10 is fixed on the hoisting front portion 2, the pulley swing shaft sleeve 12 is sleeved on the pulley swing shaft 10 and is in sliding connection with the pulley swing shaft 10, and the pulley frame 5 is fixedly connected with the pulley swing shaft sleeve 12.

The wear-resistant steel wire rope is characterized by further comprising a steel wire rope guide frame 8 and a steel wire rope shaft sleeve 13, wherein the steel wire rope shaft sleeve 13 is fixed to the bottom of the steel wire rope guide frame 8, the upper end of the steel wire rope guide frame 8 is installed on the pulley shaft 11 and can rotate around the pulley shaft 11, and the steel wire rope is connected in the steel wire rope shaft sleeve 13 in a penetrating mode around the pulley 6 to play a wear-resistant role.

A collector assembly 19 is connected to the rear side of the hoisting body 1 by a boom rod 20. The pipe collector assembly 19 is used for arranging and bundling pipelines such as electric appliance lines, oil pipes and the like.

The winch main body 1 and the winch front part 2 are connected through a connecting shaft 9 and fixed by screws. The wire rope guide frame 8 and the pulley 6 are connected to the pulley frame 5 through a pulley shaft 11. The cable guide 8 can swing around the pulley shaft 11. The hydraulic winch 15 is connected to the winch body 1 by bolts. The hydraulic winch compression roller 16 is connected with the winch main body 1 through a bolt and used for pressing the steel wire ropes so that the steel wire ropes are arranged in order. The spreader lock 21 includes a rotary safety hook, a wedge joint, a collision prevention spring, and the like. The steel wire rope passes through the steel wire rope shaft sleeve 13 and the steel wire rope guide frame 8, bypasses the pulley 6 and is wound on a winding drum of the hydraulic winch 15. The hydraulic winch 15 provides a hoisting force.

The relative sliding part between the hoisting front part 2 and the pulley yoke 5 is provided with a pulley swing shaft sleeve 12 which can bear radial force and axial force. Two oppositely-arranged pulley shaft sleeves 7 are arranged between the pulley 6 and the pulley shaft 11 and can bear radial force and axial force.

The hydraulic swing cylinder 17 has a positioning and holding capability after stopping rotation. The angle can be ensured to be unchanged without installing a brake.

The hydraulic winch 15 for hoisting has the hoisting capacity of 5t, the brake is arranged at the input end of the winch reducer, the brake is opened when the hydraulic winch rises and falls, and the brake is closed when the hydraulic winch stops, so that heavy objects cannot fall.

The whole machine adopts a grease lubrication centralized lubrication system, and lubrication oil paths are respectively communicated with the pulley shaft sleeve 7, the pulley swing shaft sleeve 12 and the hydraulic winch 15, so that sufficient lubrication can be provided when the equipment works.

Claims

1. The top winch of the piling machinery is characterized by comprising a rotary table, a winch main body, a pulley and a lifting appliance lock, wherein the winch main body is installed at the top of an auxiliary mast of a pile machine through the rotary table, the pulley is arranged at the front end of the winch main body, the winch main body is provided with a hydraulic winch, and a steel wire rope on the hydraulic winch bypasses the pulley to be connected with the lifting appliance lock.

2. The top winch of the piling machinery, as recited in claim 1, wherein the turret comprises a rotary support, a hydraulic swing cylinder, a swing cylinder adapter plate, a winch adapter plate, and a torsion seat, the hydraulic swing cylinder is disposed at a bottom center position of the winch main body and is fixedly connected with a base of the winch main body through the swing cylinder adapter plate, the winch adapter plate is fixedly connected with the auxiliary mast, the torsion seat is disposed at a center position of the winch adapter plate and is fixedly connected with the winch adapter plate, the rotary support is disposed between the winch adapter plate and the base of the winch main body, and an output shaft of the hydraulic swing cylinder extends into the torsion seat and is fixedly connected with the torsion seat.

3. The top hoist of piling machinery as recited in claim 1, further comprising a pulley swing shaft fixed to the front part of the hoist, and a pulley swing bushing sleeved on the pulley swing shaft and slidably connected to the pulley swing shaft, wherein the pulley frame is fixedly connected to the pulley swing bushing.

4. The top hoist of piling machinery as recited in claim 1, further comprising a wire rope guide frame, a wire rope sleeve, the wire rope sleeve is fixed on the bottom of the wire rope guide frame, the upper end of the wire rope guide frame is mounted on the pulley shaft and can rotate around the pulley shaft, and the wire rope passes through the wire rope sleeve around the pulley.

5. The top hoist of a piling machine of claim 1, wherein a header assembly is connected to a rear side of the hoist body by a cantilever bar.