CN201802398U

CN201802398U - Hard rock boring machine

Info

Publication number: CN201802398U
Application number: CN2009202793750U
Authority: CN
Inventors: 张红彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-18
Filing date: 2009-11-18
Publication date: 2011-04-20
Anticipated expiration: 2019-11-18

Abstract

The utility model relates to a hard rock boring machine which comprises a drilling and cutting part, a shovel bucket part, a transportation part, a main body part and a walking part, wherein the walking part is mounted under the main body part, the shovel bucket part is mounted at the lower part of the front end of the main body part, the upper part of the front end of the main body part is connected with the drilling and cutting part through a drilling and cutting motor box body and a drilling and cutting speed reducer, and the transportation part is mounted at the upper part of the main body part. A backward slip prevention hydraulic triangular support is mounted at the lower part of the rear end of the main body part, dedusting spray nozzles are mounted at the front part of the drilling and cutting speed reducer and on two sides at the front end of the drilling and cutting motor box body, and an air curtain flat spray nozzle is arranged on the periphery at the front end of the drilling and cutting motor box body; and a roller cone bit is arranged on the surface of a drilling and cutting head. The hard rock boring machine has the advantages that the drilling and cutting head with high-strength roller cone bit technology is adopted, thereby greatly improving the rock drilling and cutting efficiency and realizing the capabilities of drilling, cutting and boring high-hard rocks; the backward slip prevention hydraulic triangular support can effectively prevent the backward slip of the boring machine during the boring work; and the dedusting spray nozzles and the air curtain flat spray nozzle can well improve the working environment and greatly reduce the risk and the labor intensity of an operator.

Description

A kind of hard rock mole

Technical field

The utility model is specially a kind of hard rock mole, realizes the excavation operation of big section high rigidity stone head, belongs to coal mine roadway heading equipment field.

Background technology

At present, in the tunnelling process, the driving that runs into big section stone head adopts big gun pick operation mostly, and this operation is danger but also inefficiency not only.Existing heading equipment, though the high-power work system is provided and strengthens own wt in order to tunnel stone head, but produce little effect, basic reason is that the existing instrument that cuts that bores is difficult to effectively rock be bored cut, and dust is many, the problem of development machine slip.Therefore, be starved of a kind of hard rock mole that rotary rock drill efficiently cuts instrument that has, improve the hard rock drivage efficiency, reduce operator's danger and labour intensity.

Summary of the invention

The purpose of this utility model is to provide a kind of hard rock mole, be on the practical basis of existing development machine, fully solve existing development machine and can't effectively carry out headwork big section hard rock tunnel, and problems such as dust is many, development machine slip, and then improve headwork efficient, improve operator's working environment.

The technical solution of the utility model is: comprise the portion of cutting of boring, scraper bowl portion, Department of Transportation, main part and running part, at main part two side lower parts running part is installed, scraper bowl portion is equipped with in front end bottom at this main part, cutting motor case body in the upper front end of this main part by brill cuts reductor with brill and is connected with the brill portion of cutting, in the top of this main part installation and transportation portion, it is characterized in that: anti-back synovia is installed in the bottom of described main part rear end presses A-frame, cut the anterior and brill of reductor at described brill and cut motor case body front end both sides the dedusting spray nozzle is installed, the preceding end periphery that cuts motor case body at described brill evenly is equipped with the flat nozzle of air curtain; Head cuts by brill in the described brill portion of cutting and brill cuts arm and forms, the rear end that brill cuts head is connected with the front end that brill cuts arm, the rear end that this brill cuts arm is connected with the output shaft that described brill cuts reductor, the power shaft that this brill cuts reductor be installed in described brill and cut the output shaft that brill in the motor case body cuts motor and be connected; Described brill cut head by cone, brill cuts headstock and rock bit constitutes, and at the positive front end of cone a tricone bit is housed, and at other side faces of this cone a plurality of multiple tooth single-cone rotary drill bits is installed.

Described anti-back synovia presses the A-frame bottom to be divided into trifid structure, and top is the hydraulically extensible structure.

The main body of described scraper bowl portion is a dust pan shape, and the both sides in this main body are equipped with the rotation star-wheel respectively, and the front end of described Department of Transportation is housed in the opening in the middle of two these rotation star-wheels.

The beneficial effects of the utility model are: this hard rock mole adopts the brill of high strength rock bit technology to cut head, improves rotary rock drill greatly and cuts efficient, and the brill that possesses high hard rock cuts the driving ability; The anti-skidding support hydraulic pressure A-frame in back effectively prevents the back sliding problem of development machine in headwork; The flat nozzle of dedusting atomization mechanism mouth and air curtain has well improved working environment; This hard rock mole is fit to big section stone head excavation operation, has improved headwork efficient greatly, has greatly reduced operator's risk and labour intensity.

Description of drawings

Fig. 1 is the general structure schematic diagram of the utility model hard rock mole;

Fig. 2 bores the structural representation that cuts head for the utility model hard rock mole;

Fig. 3 is the structural representation (the A-A sectional view of Fig. 1) of the utility model hard rock mole dust pelletizing system;

Fig. 4 presses the schematic diagram (the B view among Fig. 1) of A-frame for the anti-back of the utility model hard rock mole synovia.

Fig. 5 is the structural representation of the utility model scraper bowl portion.

Among the figure, bore and to cut 10; Brill cuts arm 1; Brill cuts reductor 2; Brill cuts motor case body 3; Scraper bowl portion 4; Main part 5; The Department of Transportation 6 that forms by transporter; Flat nozzle 7; Running part 8; Rear defence slip hydraulic pressure A-frame 9; Cone 11; Brill cuts headstock 12; Rock bit 13; Dedusting spray nozzle 14; Rotation star-wheel 15; Motor case body hydraulic cylinder 31; Scraper bowl portion hydraulic cylinder 41.

The specific embodiment

Shown in Fig. 1～4, the utility model comprises a portion of cutting of boring (cut 10, bored and cut arm 1 and form by brill), scraper bowl portion 4, Department of Transportation 6, main part 5 and running part 8, at 5 liang of side lower parts of main part running part 8 is installed, scraper bowl portion 4 is housed in the front end bottom of this main part 5, and (scraper bowl portion 4 is hinged with the front end of main part 5, and drive deflections up and down with scraper bowl portion hydraulic cylinder 41), cut motor case body 3 in the upper front end of this main part 5 by brill and cut reductor 2 with brill and be connected with the brill portion of cutting.In the top of this main part 5 installation and transportation portion 6, the rear portion of the front end of Department of Transportation 6 and scraper bowl portion 4 and corresponding.It is characterized in that: anti-back synovia is installed in the bottom of described main part 5 rear ends presses A-frame 9, cut the anterior and brill of reductor 2 at described brill and cut motor case body 3 front end both sides dedusting spray nozzle 14 is installed, the preceding end periphery that cuts motor case body 3 at described brill evenly is equipped with the flat nozzle 7 of air curtain (referring to Fig. 3).Described brill cut portion by brill cut 10 and brill cut arm 1 and form, brill cuts a rear end of 10 and bores the front end that cuts arm 1 and be connected, the rear end that this brill cuts arm 1 is connected with the output shaft that described brill cuts reductor 2, the power shaft that this brill cuts reductor 2 be installed in described brill and cut the output shaft that brill in the motor case body 3 cuts motor and be connected.It is hinged that brill cuts the front end of the rear end of motor case body 3 and described main part 5, and drive deflections up and down with motor case body hydraulic cylinder 31.

Referring to Fig. 2, described brill cuts 10 by cone 11, brill cuts headstock 12 and rock bit 13 constitutes, and at the positive front end of cone 11 tricone bit is housed, and at other side faces of this cone 11 a plurality of multiple tooth single-cone rotary drill bits is installed.

Referring to Fig. 4, described anti-back synovia presses the bottom of A-frame 9 to be divided into trifid structure, and top is the hydraulically extensible structure.

Referring to Fig. 5, the main body of described scraper bowl portion 4 is a dust pan shape, and the both sides in this main body are equipped with rotation star-wheel 15 respectively, the front ends of corresponding described Department of Transportation 6 in two openings in the middle of should rotation star-wheels 15.

The course of work of the present utility model is as follows:

Hard rock mole is walked by running part 8 behind the assigned address, the anti-skidding support hydraulic pressure A-frame 9 of hard rock mole scraper bowl portion 4 and back falls, start atomization mechanism (dust pelletizing system spray nozzle 14) and air curtain barrier device (the flat nozzle 7 of air curtain), the brill that the rotation star-wheel 15 of hard rock mole scraper bowl portion 4 and the transporter 6 of Department of Transportation and brill cut portion cuts 10 and starts working.

The dust pelletizing system that the utility model adopts is to utilize the air curtain barrier technique to realize in conjunction with the efficient spray device.Brill cuts and evenly is provided with the flat nozzle 7 of air curtain motor case body one week of 3 front edges, forms steam jet atomizer spare, forms the air curtain barrier, is commonly called as " air knife ".Spread backward by the air curtain barrier dust of can effectively blocking, air curtain can according to circumstances be provided with multilayer.The flat nozzle 7 of described air curtain is connected by air supply pipe and stop valve and the down-hole pipeline of calming the anger, and provides compressed air by the down-hole pipeline of calming the anger.The air-flow that the flat nozzle 7 of air curtain sprays forms and cuts the air curtain barrier that motor case body 3 front edges are the center of circle with brill.Brill can be cut rock by the air curtain barrier and produce the effective isolation of dust, and dust be carried out depositing dust by front atomization mechanism (dust pelletizing system spray nozzle 14) unlike the back diffusion.

Claims

1. hard rock mole, comprise the portion of cutting of boring, scraper bowl portion, Department of Transportation, main part and running part, at main part two side lower parts running part is installed, scraper bowl portion is equipped with in front end bottom at this main part, cutting motor case body in the upper front end of this main part by brill cuts reductor with brill and is connected with the brill portion of cutting, in the top of this main part installation and transportation portion, it is characterized in that: anti-back synovia is installed in the bottom of described main part rear end presses A-frame, cut the anterior and brill of reductor at described brill and cut motor case body front end both sides the dedusting spray nozzle is installed, the preceding end periphery that cuts motor case body at described brill evenly is equipped with the flat nozzle of air curtain; Head cuts by brill in the described brill portion of cutting and brill cuts arm and forms, the rear end that brill cuts head is connected with the front end that brill cuts arm, the rear end that this brill cuts arm is connected with the output shaft that described brill cuts reductor, the power shaft that this brill cuts reductor be installed in described brill and cut the output shaft that brill in the motor case body cuts motor and be connected; Described brill cut head by cone, brill cuts headstock and rock bit constitutes, and at the positive front end of cone a tricone bit is housed, and at other side faces of this cone a plurality of multiple tooth single-cone rotary drill bits is installed.

2. hard rock mole according to claim 1 is characterized in that: described anti-back synovia presses the A-frame bottom to be divided into trifid structure, and top is the hydraulically extensible structure.

3. hard rock mole according to claim 1 is characterized in that: the main body of described scraper bowl portion is a dust pan shape, and the both sides in this main body are equipped with the rotation star-wheel respectively, and the front end of described Department of Transportation is housed in the opening in the middle of two these rotation star-wheels.