CN112610166B

CN112610166B - Goose head device for drilling machine and drilling machine

Info

Publication number: CN112610166B
Application number: CN202011469028.1A
Authority: CN
Inventors: 黄利康; 侯杭州; 王雨; 卢立建
Original assignee: Xuzhou XCMG Foundation Construction Machinery Co Ltd; Jiangsu XCMG Construction Machinery Institute Co Ltd
Current assignee: Xuzhou XCMG Foundation Construction Machinery Co Ltd; Jiangsu XCMG Construction Machinery Institute Co Ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-09-06
Anticipated expiration: 2040-12-15
Also published as: CN112610166A

Abstract

The invention discloses a gooseneck boom device for a drilling machine and the drilling machine, and belongs to the technical field of drilling machines. The swing mechanism comprises a support, a movable arm, an amplitude variation mechanism and a deflection mechanism, wherein a first pulley is coaxially hinged with one end of the movable arm and the support, a pulley frame is arranged at the other end of the movable arm, and a second pulley is hinged with the pulley frame; the amplitude variation mechanism is used for changing an included angle between the movable arm and the support; the deflection mechanism is used for changing the rope outlet direction of the second pulley.

Description

Goose head device for drilling machine and drilling machine

Technical Field

The invention belongs to the technical field of drilling machines, and particularly relates to a goose head device for a drilling machine and the drilling machine.

Background

With the rapid increase of the infrastructure investment at home and abroad, the number of infrastructure construction projects is increased, and the multifunctional drilling machine is used as one of the devices for infrastructure foundation construction and is used more and more frequently. The goose head is a common hoisting device of a multifunctional drilling machine, a pulley frame is generally welded into a whole and is connected with a bolt at the top of a drilling mast, the hoisting direction is limited by the structure, only vertical hoisting and lowering can be realized, and the goose head is inconvenient to transport due to the integral welding structure, so that the whole space is large; on the other hand, in order to meet the requirements of the construction accuracy of coring a rope of a drilling machine and lowering a reinforcement cage, the goose head is often designed to be consistent with the center of a power head in the hoisting axis of the steel wire rope, so that when the drilling tool is hoisted and taken, a drill rod often collides with the power head, a clamp and a hydraulic pipeline joint, the fault rate is increased, and when the drilling machine is provided with power heads with different heights, the goose head needs to be correspondingly replaced to finish hoisting and taking with higher accuracy.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the gooseneck boom device for the drilling machine and the drilling machine, which can obtain larger hoisting space and reduce collision in the hoisting process.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a goose head device comprises a support, a movable arm, an amplitude changing mechanism and a deflection mechanism, wherein a first pulley is coaxially hinged with one end of the movable arm and the support, a pulley frame is arranged at the other end of the movable arm, and a second pulley is hinged with the pulley frame; the amplitude variation mechanism is used for changing an included angle between the movable arm and the support; the deflection mechanism is used for changing the rope outlet direction of the second pulley.

Furthermore, the movable arm comprises a first movable arm and a second movable arm, one end of the first movable arm is hinged to the support, the other end of the first movable arm is fixedly connected with one end of the second movable arm, and the other end of the second movable arm is connected with the pulley yoke through a deflection mechanism.

Furthermore, the deflection mechanism comprises a copper sleeve and a baffle, the copper sleeve is installed in the second movable arm, the pulley yoke is rotatably connected with the copper sleeve through a rotating shaft, the rotating shaft is fixedly connected with the baffle, and the baffle is slidably connected with the second movable arm.

Further, the axis of the copper sleeve, the axis of the second movable arm and the axis of the revolving shaft are coincident.

Furthermore, a telescopic cylinder of the luffing mechanism is hinged with the support, and a telescopic rod of the luffing mechanism is hinged with the second movable arm.

Furthermore, a copper sleeve is installed at the other end of the movable arm, and the pulley yoke is rotatably connected with the copper sleeve through a rotating shaft.

Furthermore, a telescopic cylinder of the luffing mechanism is hinged with the support, and a telescopic rod of the luffing mechanism is hinged with one end of the movable arm.

Further, the yaw mechanism includes a slewing bearing assembly mounted between the lift arm and the support.

Further, the slewing bearing comprises an inner gear ring, a rolling body and an outer ring; the inner gear ring is fixedly connected with the support, the outer ring is fixedly connected with the hoisting arm, a rotating pair is formed by the inner gear ring and the outer ring through a rolling body, the driving gear is meshed with the inner gear ring, and the driving gear is fixedly connected with an output shaft of a rotary motor arranged on the hoisting arm.

A drilling rig provided with the aforementioned goose head device.

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

(1) in the process of unloading the drill rod in vertical construction by arranging the luffing mechanism, the luffing and the pitching of the movable arm deviate the hoisting axis from the center of the power head by a certain safety distance, so that the collision between the drill rod and equipment is reduced or even avoided; by arranging the deflection mechanism, the lifting direction can be flexibly adjusted, the lifting at two sides of the drilling machine is convenient, the lifting space is enlarged, and the working efficiency is improved;

(2) by arranging the luffing mechanism and the deflection mechanism, the conveying height of the drilling machine can be adjusted through deflection and pitching in the conveying process, the conveying height can be met without disassembling a gooseneck, and the conveying transition efficiency is improved;

(3) the variable amplitude mechanism is arranged, so that the power head can be matched with power heads with different heights, and the modular design is facilitated.

Drawings

Fig. 1 is a schematic view illustrating a bending and bending position of a gooseneck boom of a gooseneck device for a drilling machine according to an embodiment of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view illustrating the deflection mechanism changing the rope-out direction of the second pulley according to the first embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a swan head device for a drilling rig according to an embodiment of the present invention;

fig. 5 is a schematic view of an installation structure when a slewing bearing is used as a yawing mechanism in a third embodiment of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

The first embodiment is as follows:

as shown in fig. 1 to 5, a goose head device comprises a support 1 fixed on a winch arm 12, a movable arm, an amplitude variation mechanism 5 and a deflection mechanism, wherein a first pulley 2 is coaxially hinged with one end of the movable arm and the support 1 through a first pin shaft 3, a pulley frame 7 is installed at the other end of the movable arm, and a second pulley 9 is hinged with the pulley frame 7 through a second pin shaft 8; the amplitude variation mechanism 5 is used for changing an included angle between the movable arm and the support 1, namely the amplitude variation mechanism 5 drives the movable arm to enable the movable arm to generate pitch and yaw actions; the deflection mechanism is used for changing the rope outlet direction of the second pulley 9.

The movable arm comprises a first movable arm 4 and a second movable arm 6, one end of the first movable arm 4 is hinged to the support 1, the other end of the first movable arm is fixedly connected with one end of the second movable arm 6 through a bolt, and the other end of the second movable arm 6 is connected with the pulley frame 7 through a deflection mechanism. The deflection mechanism comprises a copper sleeve 10 and a baffle plate 11, the copper sleeve 10 is installed in the second movable arm 6, the pulley frame 7 is rotatably connected with the copper sleeve 10 through a rotating shaft 71, the rotating shaft 71 is fixedly connected with the baffle plate 11, and the baffle plate 11 is slidably connected with the second movable arm 6. The axis of copper bush 10, the axis of second boom 6, and the axis of pivot shaft 71 coincide. The telescopic cylinder of the amplitude variation mechanism is hinged with the support 1, and the telescopic rod of the amplitude variation mechanism is hinged with the second movable arm 6. The steel wire rope 13 sequentially passes through the first pulley 2, the movable arm, the pulley yoke 7 and the second pulley 9.

The implementation principle of the goose head device is as follows: before hoisting the drill rod, firstly, the luffing mechanism 5 is contracted, so that the distance from the steel wire rope 13 on the second pulley 9 to the surface of the drill mast is increased from a1 to a2, a certain safety distance is kept, collision between the drill rod and equipment such as a clamp, a hydraulic pipeline, a joint and a drilling machine is reduced or even avoided (as shown in figure 1, m represents a hoisting axis, and n represents the center line of a power head), then the drill rod is connected with a lifting appliance, an operator controls hoisting to ascend and descend, the drill rod is slowly lifted to the center of the clamp, the lifting appliance is removed after the drill rod is clamped by the clamp, and then the power head is moved to load the drill rod. If the drilling tool is placed on two sides of the drill mast, the lifting direction can be changed by the aid of the revolute pair between the second movable arm 6 and the pulley yoke 7, namely, the second pulley 9 and the steel wire rope 13 are driven to swing left and right through the deflection mechanism (as shown in fig. 2 and 3, and b in fig. 3 shows the rope pulling direction), and the lifting range is expanded.

When the drill rig transports, when the height of the goose head exceeds the transport height standard, the luffing mechanism 5 can be used for adjusting the luffing and the pitching of the movable arm, and the deflection mechanism is matched to control the deflection of the pulley yoke 7 so as to reduce the transport height. This embodiment can match the unit head of co-altitude not through setting up luffing mechanism, the modular design of being convenient for.

The second embodiment:

the difference between the present embodiment and the first embodiment is that the first boom 4 and the second boom 6 in the first embodiment are an integral weldment in the present embodiment. In this embodiment, the other end of the movable arm is mounted with a copper sleeve, and the pulley frame is rotatably connected with the copper sleeve through a rotating shaft, so as to form the deflection mechanism in this embodiment. The axis of the copper sleeve, the axis of the movable arm and the axis of the rotating shaft are overlapped. The telescopic cylinder of the amplitude variation mechanism is hinged with the support, and the telescopic rod of the amplitude variation mechanism is hinged with one end of the movable arm.

Example three:

the difference between the present embodiment and the first and second embodiments is that the yawing mechanism in the present embodiment is implemented by a pivoting support disposed between a support and a hoisting arm, and in the present embodiment, the pulley frame is fixedly connected to the movable arm or the second movable arm.

The slewing bearing comprises an inner gear ring 14, rolling bodies and an outer ring 15. The inner gear ring 14 and the outer ring 15 of the slewing bearing form a rotating pair rotating relatively through rolling bodies, the driving gear 16 is meshed with the inner gear ring 14, the driving gear 16 is fixedly connected with an output shaft of a slewing motor 17 arranged on the hoisting arm 12, and the support 1 is rotationally connected with the hoisting arm 12 through the slewing bearing, as shown in fig. 5. The telescopic cylinder of the amplitude variation mechanism is hinged with the support, and the telescopic rod of the amplitude variation mechanism is hinged with one end of the movable arm.

Example four:

based on the goose head device according to the first to third embodiments, the present embodiment provides a drilling machine, and the drilling machine in the present embodiment is configured with the goose head device according to any one of the first to third embodiments.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A goose head device is characterized by being used for a drilling machine and comprising a support, a movable arm, an amplitude variation mechanism and a deflection mechanism, wherein a first pulley is coaxially hinged with one end of the movable arm and the support, a pulley frame is arranged at the other end of the movable arm, and a second pulley is hinged with the pulley frame;

the amplitude variation mechanism is used for changing an included angle between the movable arm and the support;

the deflection mechanism is used for changing the rope outlet direction of the second pulley;

the movable arm comprises a first movable arm and a second movable arm, one end of the first movable arm is hinged with the support, the other end of the first movable arm is fixedly connected with one end of the second movable arm, and the other end of the second movable arm is connected with the pulley frame through a deflection mechanism;

the deflection mechanism comprises a copper sleeve and a baffle plate, the copper sleeve is arranged in the second movable arm, the pulley yoke is rotatably connected with the copper sleeve through a rotating shaft, the rotating shaft is fixedly connected with the baffle plate, and the baffle plate is slidably connected with the second movable arm;

the axis of the copper sleeve, the axis of the second movable arm and the axis of the revolving shaft are overlapped;

the other end of the movable arm is provided with a copper sleeve, and the pulley yoke is rotatably connected with the copper sleeve through a rotating shaft;

and the axis of the copper sleeve, the axis of the movable arm and the axis of the rotating shaft are overlapped.

2. The goose head apparatus of claim 1, wherein said telescopic cylinder of said luffing mechanism is articulated to said support, and said telescopic rod of said luffing mechanism is articulated to said second boom.

3. The goose head device according to claim 1, wherein the telescopic cylinder of the luffing mechanism is hinged to the support, and the telescopic rod of the luffing mechanism is hinged to one end of the boom.

4. The goose head apparatus of claim 1, wherein said yaw mechanism comprises a slewing bearing mounted between the winch arm and said support.

5. The goose head apparatus of claim 4, wherein said slewing bearing comprises an inner ring gear, rolling elements and an outer ring; the inner gear ring is fixedly connected with the support, the outer ring is fixedly connected with the hoisting arm, a rotating pair is formed by the inner gear ring and the outer ring through a rolling body, the driving gear is meshed with the inner gear ring, and the driving gear is fixedly connected with an output shaft of a rotary motor arranged on the hoisting arm.

6. The goose head device according to claim 4, wherein the telescopic cylinder of said luffing mechanism is hinged to said support, and the telescopic rod of said luffing mechanism is hinged to one end of said boom.

7. A drilling rig, characterized in that the drilling rig is provided with a goosehead device according to any one of claims 1-6.