阅读说明：本技术 一种适用于桩工机械的回转定位倾斜装置 (Rotation positioning tilting device suitable for piling machinery ) 是由 王子丰 李相辉 于 2021-01-19 设计创作，主要内容包括：一种适用于桩工机械的回转定位倾斜装置,包括桅杆回转定位装置、桅杆倾斜装置,所述桅杆回转定位装置包括摆动油缸、连接体、桅杆夹持体、插销油缸,所述摆动油缸与连接体连接,所述连接体与桅杆倾斜装置连接,所述桅杆夹持体连接桩工机械的桅杆,所述摆动油缸能够驱动桅杆夹持体旋转摆动,在所述桅杆夹持体的外圆周上均匀布置有若干个插孔,所述插销油缸安装在连接体上,所述插销油缸上的插销能够穿接在连接体与桅杆夹持体上的插孔中,将连接体与桅杆夹持体之间的相对位置锁定。本发明可实现履带式打桩机的前后左右一定角度内倾斜,同时可实现履带式打桩机桅杆摆动的自动定位,保证施工精度和稳定性,保证施工灵活性和多角度性。(The utility model provides a gyration location inclination device suitable for piling machinery, includes mast gyration positioner, mast inclination device, mast gyration positioner includes swing hydro-cylinder, connector, mast cramping body, bolt hydro-cylinder, the swing hydro-cylinder is connected with the connector, the connector is connected with mast inclination device, the mast of piling machinery is connected to the mast cramping body, the swing hydro-cylinder can drive the rotatory swing of mast cramping body evenly arranged a plurality of jack on the outer circumference of mast cramping body, the bolt hydro-cylinder is installed on the connector, the bolt on the bolt hydro-cylinder can cross in the jack on connector and mast cramping body, locks the relative position between connector and the mast cramping body. The crawler-type pile driver mast swinging positioning device can realize the inclination of the crawler-type pile driver in a certain angle at the front, back, left and right, can realize the automatic positioning of the crawler-type pile driver mast swinging, ensures the construction precision and stability, and ensures the construction flexibility and multi-angle property.)

1. The utility model provides a gyration location inclination device suitable for piling machinery, its characterized in that includes mast gyration positioner, mast inclination device, mast gyration positioner includes swing hydro-cylinder, connector, mast cramping body, bolt hydro-cylinder, the swing hydro-cylinder is connected with the connector, the connector is connected with mast inclination device, the mast of piling machinery is connected to mast cramping body, the swing hydro-cylinder can drive the rotatory swing of mast cramping body evenly arranged a plurality of jack on the outer circumference of mast cramping body, the bolt hydro-cylinder is installed on the connector, the bolt on the bolt hydro-cylinder can be worn in the jack on connector and mast cramping body, locks the relative position between connector and the mast cramping body.

2. The slewing positioning tilting device suitable for piling machinery according to claim 1, wherein an output shaft of the slewing cylinder is connected with a slewing shaft, the mast clamping body is sleeved on the slewing shaft and is fixedly connected with the slewing shaft through an expansion sleeve connector, the connecting body is sleeved on the slewing shaft and at the upper end and the lower end of the mast clamping body, and the connecting body and the slewing shaft can rotate relatively;

the encoder is fixed on the gland through an encoder connecting screw, the gland is fixedly connected with the connecting body through a gland connecting bolt, and a rotating shaft of the encoder is connected with a swinging shaft on the swinging oil cylinder.

3. The slewing positioning and tilting device for a piling machine of claim 2, wherein an axial copper bushing is disposed between the connecting body and the swing shaft, and a radial copper bushing is disposed between the connecting body and the mast gripping body.

4. The rotary positioning tilting device suitable for piling machinery of claim 1, wherein the tilting device comprises a triangular body, a connector body, a transition body, left and right tilting cylinders, and front and rear tilting cylinders, the transition body is hinged to the triangular body, the lower end of the connector body is hinged to the transition body, the left and right tilting cylinders are arranged on two sides of the connector body, the lower ends of the left and right tilting cylinders are hinged to the transition body, the upper ends of the left and right tilting cylinders are hinged to the connector body, the upper ends of the front and rear tilting cylinders are hinged to the upper end of the connector body, the lower ends of the front and rear tilting cylinders are hinged to the triangular body, and the connector is fixedly connected to the connector body.

5. The slewing positioning and tilting device for a piling machine of claim 4, wherein a horizontal tilt sensor is mounted on the connector body.

Technical Field

The invention relates to the technical field of engineering machinery, in particular to a rotary positioning and inclining device suitable for 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.

The crawler pile driver meets a plurality of irresistible factors in the construction process, such as foundation design requirements, special landforms and other conditions, the pile driver needs to swing the mast for construction at a certain angle, and the existing crawler pile driver often cannot be smoothly locked by a bolt in the swinging and positioning processes, so that a worker needs to continuously repeat operation, the labor intensity is increased, and the operation efficiency is reduced. In some severe construction environments, the safety of the pile driver and workers is directly affected.

In addition, the crawler-type pile driver meets a plurality of requirements in the construction process, and when the crawler-type pile driver works, the crawler-type pile driver needs to be inclined at a certain angle, namely, the crawler-type pile driver needs to be inclined forwards, backwards, leftwards and rightwards, needs to be small in size and light in weight. Meanwhile, in some site conditions, the pile driver needs to move for a certain distance, the main mast and the auxiliary mast need to be folded on the crawler-type pile driver, and the tilting mechanism is operated as required.

Disclosure of Invention

The invention aims to provide a rotary positioning and tilting device suitable for piling machinery, which can realize the tilting of a crawler-type pile driver in a certain angle from front to back, left to right, and simultaneously can realize the automatic positioning of the swinging of a mast of the crawler-type pile driver, ensure the construction precision and stability, ensure the construction flexibility and multi-angle property, flexibly change the tilting angle along with the site construction condition, ensure that the pile driver is suitable for more working conditions, reduce the labor intensity of workers and improve the construction operation efficiency.

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

the utility model provides a gyration location inclination device suitable for piling machinery, includes mast gyration positioner, mast inclination device, mast gyration positioner includes swing hydro-cylinder, connector, mast cramping body, bolt hydro-cylinder, the swing hydro-cylinder is connected with the connector, the connector is connected with mast inclination device, the mast of piling machinery is connected to the mast cramping body, the swing hydro-cylinder can drive the rotatory swing of mast cramping body evenly arranged a plurality of jack on the outer circumference of mast cramping body, the bolt hydro-cylinder is installed on the connector, the bolt on the bolt hydro-cylinder can cross in the jack on connector and mast cramping body, locks the relative position between connector and the mast cramping body.

The output shaft of the swing oil cylinder is connected with a swing shaft, the mast clamping body is sleeved on the swing shaft and is fixedly connected with the swing shaft through an expansion sleeve connector, the connecting body is sleeved on the swing shaft and at the upper end and the lower end of the mast clamping body, and the connecting body and the swing shaft can rotate relatively;

the device also comprises an encoder, wherein the encoder is used for detecting the swing angle displacement of the swing oil cylinder; the encoder is fixed on the gland through an encoder connecting screw, the gland is fixedly connected with the connecting body through a gland connecting bolt, and a rotating shaft of the encoder is connected with a swinging shaft on the swinging oil cylinder.

An axial copper sleeve is arranged between the connecting body and the swinging shaft, and a radial copper sleeve is arranged between the connecting body and the mast clamping body.

The utility model discloses a pile driver, including the tilting gearing, the tilting gearing includes the triangle body, connector main part, the transition body, control the slope hydro-cylinder, the front and back slope hydro-cylinder, the transition body is articulated with the triangle body, the lower extreme and the transition body of connector main part are articulated, control the slope hydro-cylinder setting in the both sides of connector main part, and the lower extreme and the transition body of controlling the slope hydro-cylinder are articulated, and the upper end and the connector main part of controlling the slope hydro-cylinder are articulated, the upper end of front and back slope hydro-cylinder is articulated with the upper end of connector main part, the lower extreme and the triangle body of front and back slope hydro-cylinder are articulated, and the triangle.

And a horizontal inclination angle sensor is arranged on the connecting body main body.

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

1) the front and back inclination of the mast inclining device is controlled by one hydraulic cylinder which is a differential cylinder, the telescopic speed is adjustable, and the precision is high.

2) The left and right inclination of the mast inclining device is controlled by two hydraulic cylinders, the supporting force is large, and the precision is high.

3) The mast slewing positioning device utilizes the expansion sleeve coupler to replace key connection, has no reverse clearance, and simultaneously fixes the axial direction and the radial direction of the swinging shaft. The more accurate positioning angle of the pile driver in the swing range is realized, and the automatic control becomes possible. The pile driver is suitable for more working conditions, and construction flexibility is stronger.

4) The connector main part is connected with a bolt, and the structure is simple, the assembly and disassembly are convenient, the time and the labor are saved, the working efficiency is improved, and the labor intensity of workers is reduced.

5) The swinging mechanism and the pin positioning mechanism of the mast slewing positioning device have the advantages of simple structure, compact and reasonable configuration, good lubricating property, high protection level, reduced failure rate and improved stability.

6) The mast slewing positioning device can realize the automatic operation of a series of actions of pin pulling, gear shifting and pin plugging, reduce the labor intensity of workers and improve the piling operation efficiency.

7) The bolt device, the swinging oil cylinder and the swinging shaft of the mast slewing positioning device are all in detachable connection mode, so that the assembly, the use and the maintenance are convenient and fast.

Drawings

Fig. 1 is a schematic view of the installation of the invention on a crawler pile driver.

FIG. 2 is a schematic view of the connection structure of the mast slewing positioning device and the mast tilting device according to the present invention.

Fig. 3 is a right side view of fig. 2.

FIG. 4 is an isometric view of a mast tilt.

FIG. 5 is a schematic view of the mast slewing positioning device of the present invention.

Figure 6 is a top view of the mast slewing positioning device of the present invention.

In the figure: 1. the hydraulic pile driver comprises a swing oil cylinder, 2 parts of a swing oil cylinder connecting bolt, 3 parts of a mast clamping body, 4 parts of a connecting body, 5 parts of a swing shaft, 6 parts of a lower radial copper sleeve, 7 parts of a lower axial copper sleeve, 8 parts of an upper radial copper sleeve, 9 parts of an upper axial copper sleeve, 10 parts of a bolt, 11 parts of a bolt oil cylinder, 12 parts of an encoder, 13 parts of an encoder connecting screw, 14 parts of a gland, 15 parts of a gland connecting bolt, 16 parts of an outer O-ring, 17 parts of an inner O-ring, 18 parts of an expansion sleeve coupler, 19 parts of a pile driver machine main body, 20 parts of a mast tilting device, 21 parts of a mast, 22 parts of a jack, 23 parts of a horizontal tilt angle sensor, 24 parts of a connecting body, 25 parts of a left tilt oil cylinder, 26 parts of a triangular body, 27 parts of a front tilt oil cylinder, a rear tilt oil cylinder, 28 parts of a transition body, 29 parts of an upper joint bearing, 30.

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. 1-6, a slewing positioning and tilting device for a piling machine comprises a mast slewing positioning device and a mast tilting device 20, as shown in fig. 1, 2 and 5, the mast slewing positioning device comprises a swinging oil cylinder 1, a connecting body 4, a mast clamping body 3 and a bolt oil cylinder 11, the swing oil cylinder 1 is connected with a connecting body 4, the connecting body 4 is connected with a mast tilting device 20, the mast clamping body 3 is connected with a mast 21 of the piling machine, the swinging oil cylinder 1 can drive the mast clamping body 3 to swing rotationally, a plurality of jacks 22 are uniformly arranged on the outer circumference of the mast clamping body 3, the bolt oil cylinder 11 is arranged on the connecting body 4, the bolt 10 on the bolt oil cylinder 11 can be penetrated and connected in the jacks 22 on the connecting body 4 and the mast clamping body 3, so that the relative position between the connecting body 4 and the mast clamping body 3 is locked.

The output shaft of the swing oil cylinder 1 is connected with a swing shaft 5, the mast clamping body 3 is sleeved on the swing shaft 5 and is fixedly connected with the swing shaft 5 through an expansion sleeve connector 18, the connecting body 4 is sleeved on the swing shaft 5 and at the upper end and the lower end of the mast clamping body 3, and the connecting body 4 and the swing shaft 5 can rotate relatively.

The device also comprises an encoder 12, wherein the encoder 12 is used for detecting the swing angle displacement of the swing oil cylinder 1; the encoder 12 is fixed on a gland 14 through an encoder connecting screw 13, the gland 14 is fixedly connected with the connecting body 4 through a gland connecting bolt 15, and a rotating shaft of the encoder 12 is connected with the swinging shaft 5 on the swinging oil cylinder 1.

An axial copper sleeve is arranged between the connecting body 4 and the swinging shaft 5, and a radial copper sleeve is arranged between the connecting body 4 and the mast clamping body 3. The relative sliding parts among the swinging shaft 5, the mast clamping body 3 and the connecting body 4 are provided with sliding copper sleeves in the radial direction and sliding copper plates in the axial direction. The axial positioning of the mast clamping body 3 is realized by a lower axial copper bush 7 and an upper axial copper bush 9, and the radial positioning is realized by a lower radial copper bush 6 and an upper radial copper bush 8.

The encoder 12 determines the angle of the mast clamp 3 to the connection body 4. The outer and inner O-rings 16, 17 ensure sealing between the gland 14 and the connector 4 and between the encoder 12 and the gland 14, respectively.

The encoder 12 is a single-turn absolute value encoder, has high precision and high detection frequency, detects the angles of the mast clamping body 3 and the connecting body 4 in real time, communicates with the equipment master controller, and the master controller controls the opening degree and the opening and closing time of the valve of the swing oil cylinder 1 to complete the rotation of the angles, so that the automatic operation of a series of actions of pin pulling, rotation and pin plugging is realized.

In the embodiment, 5 insertion holes 22 with the same interval angle are arranged on the mast clamping body 3 and are used as 5 gears of the swing angle of the mast.

The bolt oil cylinder 11 is fixed on the connecting body 4, and drives the bolt 10 to be inserted into and pulled out of the jack 22 of the mast clamping body 3, so as to realize positioning. When the bolt oil cylinder 11 drives the bolt 10 to be inserted, the bolt 10 and the connecting body 4 form a simply supported beam through the connecting body 4, the mast clamping body 3 and the jack of the connecting body 4, so that the stress is more reasonable, the bolt 10 is not easy to bend, and the bolt is durable.

The swing shaft 5 is connected with the output shaft of the swing oil cylinder 1 through a spline, and the swing oil cylinder is simple in structure, high in bearing capacity, simple and convenient to assemble and high in flexibility of angle adjustment during installation. The cylinder body of the swing oil cylinder 1 is fastened with the connecting body 4 through a swing oil cylinder connecting bolt 2, the swing oil cylinder 1 provides torque for the swing shaft 5, and the mast clamping body 3 is driven to drive the mast 21 to swing.

The swing shaft 5 is fixedly connected with the mast clamping body 3 through the expansion sleeve coupling 18, so that the swing shaft and the mast clamping body cannot move relatively in the radial direction, the axial direction and the circumferential direction, and the torque is transmitted through the swing shaft 5. The expansion sleeve coupler 18 is small in size, convenient and fast to install and disassemble, large in stress, capable of being used in a superposition mode, good in concentricity after assembly, capable of positioning in the radial direction, the axial direction and the circumferential direction simultaneously, and free of any installation gap and any forward and reverse movement gap between the swinging shaft 5 and the mast clamping body 3, and therefore the encoder 12 can accurately reflect the angle between the mast clamping body 3 and the connecting body 4.

Referring to fig. 2, 3 and 4, the tilting apparatus 20 includes a triangular body 26, a connector main body 24, a transition body 28, left and right tilting cylinders 25, front and rear tilting cylinders 27, the transition body 28 is hinged to the triangular body 26 through a pin 31, the lower end of the connector main body 24 is hinged to the transition body 28 through a pin 31, the left and right tilting cylinders 25 are disposed at two sides of the connector main body 24, the lower ends of the left and right tilting cylinders 25 are hinged to the transition body 28, the upper ends of the left and right tilting cylinders 25 are hinged to the connector main body 24, the upper ends of the front and rear tilting cylinders 27 are hinged to the upper end of the connector main body 24, the lower ends of the front and rear tilting cylinders 27 are hinged to the triangular body 26, the triangular body 26 is mounted on the main body 19 of the piling machinery, and the connector.

A horizontal tilt sensor 23 is attached to the connecting body 24.

Referring to fig. 1 and 2, the mast holding body 3 is fixedly connected with a cylindrical connecting piece 34, the cylindrical connecting piece 34 is longitudinally arranged along the mast 21 and is connected with the mast 21, the upper end of the connecting body main body 24 is connected with the cylindrical connecting piece 34 through a transverse hinge bracket 33, and the middle part of the transverse hinge bracket 33 is hinged through a pin shaft, so that the cylindrical connecting piece 34 can rotate relative to the connecting body main body 24 under the driving of the mast slewing positioning device.

When the mast needs to be inclined by a certain angle when the pile driver works, no matter the mast is inclined forwards and backwards or leftwards and rightwards, the horizontal inclination angle sensor 23 can accurately transmit the inclined angle to the display screen in real time, so that an operator can conveniently observe and process the inclined angle, foreign import equipment (the model is B2N10H-Q42-CNX2-2H1150) is selected as the horizontal inclination angle sensor 23, the precision is high, the service life is long, and the mast is not easy to damage.

The connector main body 24 is connected with the transition body 28 through a pin shaft, so that the installation and the disassembly are convenient, and the construction operation and the maintenance of workers are convenient.

When the pile driver needs to be inclined leftwards and rightwards during working, the two cylinders of the left and right inclination cylinders 25 are matched to act, when the pile driver inclines leftwards, the height of the hydraulic rod of the left and right inclination cylinders 25 on the left side is reduced, the height of the hydraulic rod of the left and right inclination cylinders 25 on the right side is increased, and the left and right inclination angles of the mast inclination device 20 can reach 4 degrees respectively in the left and right directions. The size of the angle is monitored by a horizontal tilt sensor 23 and adjusted by the worker in real time.

When the pile driver needs to tilt forwards and backwards during working, the front-back tilt oil cylinder 27 is matched with the upper knuckle bearing 29 and the lower knuckle bearing 32 to act together to realize the front-back tilt, the forward tilt angle of the tilt mechanism can reach 4 degrees, the backward tilt angle of the tilt mechanism can reach 10 degrees, the tilt angle is also monitored by the horizontal tilt angle sensor 23, and workers can adjust the tilt angle in real time.

The pointer 30 is mounted on the transition body 28 to facilitate observation by a person holding the pile on site when the apparatus is in operation, and is intuitive.

The mast slewing positioning device adopts a grease lubrication centralized lubrication system, and the lubricating oil is respectively led to the contact surfaces of the lower radial copper sleeve 6, the lower axial copper sleeve 7, the upper radial copper sleeve 8 and the upper axial copper sleeve 9 and the mast clamping body 3 through the connecting body 4, so that sufficient lubrication can be provided when the device works. The outer O-ring 16 and the inner O-ring 17 ensure the sealing performance of the oscillating shaft 5, so that the oscillating shaft 5 is prevented from rusting and deterioration of lubricating oil due to contact with water.