CN208203270U

CN208203270U - A kind of Jing Kuang driving cuts a simultaneous drifting structure

Info

Publication number: CN208203270U
Application number: CN201820638769.XU
Authority: CN
Inventors: 陈德伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-02
Filing date: 2018-05-02
Publication date: 2018-12-07
Anticipated expiration: 2028-05-02

Abstract

The utility model discloses a kind of Jing Kuang drivings to cut a simultaneous drifting structure, including cuts a tunnel, big face, facet, development machine, belt, the dilatory tail of movable type, hydraulic prop, and two operatings carry belt, anchor cable；It is characterized in that a tunnel of cutting is divided into big face and facet, big face is entirely cut a tunnel 2/3rds wide, facet be entirely cut a tunnel one third it is wide；The big facet alternate cycles operation simultaneous drifting perforation；The length that the development machine first tunnels big face is 10-12 meters；The length that facet is tunneled after the development machine is flushed with big face；The belt is mounted on the side where big face；Described cut is equipped with hydraulic prop in a tunnel；Described cut is equipped with anchor cable in a tunnel；The structure reduces operational procedure, mitigates the labor intensity of worker, avoids the waste of material, and high-yield and high-efficiency realizes speedy drivage.

Description

A kind of Jing Kuang driving cuts a simultaneous drifting structure

Technical field

The utility model relates to coal mine fields, and in particular to a kind of Jing Kuang driving cuts a simultaneous drifting structure.

Background technique

In today of the rapid development of modern science and technology, endlessly novel device comes into coal mine, and mechanization degree is more next Higher, some traditional construction methods and technique can not be suitable for novel sci-tech product, and only novel technique is plus novel Equipment can just increase productivity, reduce labor intensity, save the investment of fund, accomplish high-yield and high-efficiency, safety in production is future The direction of development.

The process that present mining construction cuts eye needs secondary driving at lane, big face of first constructing, by relevant device after perforation It recalls, then facet of constructing, is tunneled in two times, the shortcomings that such construction method is that the construction period is long, wastes material, and fund is thrown Enter big, not can guarantee safely, such as: construct big face when, facet sky side time long easy-weathering wall caving is hurted sb.'s feelings, and is also needed when helping out with money broken Beat side portion's support anchor rod, when secondary brushing extended surface is sliced off again, causes that process is tedious, waste of material.

Utility model content

The purpose of this utility model is to provide a kind of Jing Kuang drivings to cut a simultaneous drifting structure, which can obviously contract The short construction time reduces operational procedure, mitigates the labor intensity of worker, avoids the waste of material, and high-yield and high-efficiency realizes quickly pick Into.

A kind of Jing Kuang driving cuts a simultaneous drifting structure, including cuts a tunnel, big face, facet, development machine, and belt is mobile Formula draws tail, hydraulic prop, and two operatings carry belt, anchor cable；It is characterized in that a tunnel of cutting is divided into big face and facet, Big face is entirely cut a tunnel 2/3rds wide, facet be entirely cut a tunnel one third it is wide；Big face facet is alternately followed The perforation of ring operation simultaneous drifting；The length that the development machine first tunnels big face is 10-12 meters；Facet is tunneled after the development machine Length is flushed with big face；The belt is mounted on the side where big face；Described cut is equipped with hydraulic prop in a tunnel；Institute It states to cut and is equipped with anchor cable in a tunnel.

Preferably, the section for cutting a tunnel are as follows: the rectangle of wide × height=7.3 × 3.3m cuts a drift section.

Preferably, driving facet expand side when must not exceed meeting head on for big face working face, with specific reference to local regulatory requirements into Row expands side, it is ensured that entire work progress carries out safely.

Preferably, anchor cable strengthening construction to the working face in the big face is met head on, and big face anchor cable is not finished, and must not be constructed small Side is expanded in face, in order to avoid causing large area sky top, causes roof fall accident.

Preferably, facet anchor cable lag facet meets head on to be no more than 15 meters, Specific construction according to the geologic structures of each department and Depending on regulation.

Preferably, the hydraulic prop must not lag facet and meet head on 25 meters, and 25 meters carry for development machine and two operatings Belt activity space.

Preferably, the anchor cable arrangement is 4-4-4, and array pitch is 1800 × 2700mm between anchor cable, Specific construction according to Depending on the geologic structure and regulation of each department, it is ensured that work progress is safe and reliable.

Preferably, there are the empty top zones 300~500mm before last row's anchor pole prevents top plate not so as to subsequent cycle coal cutting It is flat.

The beneficial effects of the utility model are that the construction time can be obviously shortened, reduce operational procedure, mitigate worker's Labor intensity, avoids the waste of material, high-yield and high-efficiency, by big face and facet replace driving in the way of, realize speedy drivage.

Detailed description of the invention

Fig. 1 is teams and groups' work cycle chart of the utility model.

Fig. 2 is the big surface construction structural schematic diagram of the utility model.

Fig. 3 is the facet constructing structure schematic diagram of the utility model.

Fig. 4 cuts a tunnel anchor cable/rod arrangement schematic diagram for the utility model.

In figure, a tunnel 1 is cut, big face 2, facet 3, development machine 4, belt 5, mobile tractor is 5-1, belt conveyer head 6, Belt gate road 7, hydraulic prop 8, two operatings carry belt 9, anchor cable 10.

Specific embodiment

It elaborates below with reference to example embodiment to technical solutions of the utility model；However, example embodiment It can implement in a variety of forms, and be not understood as limited to embodiment set forth herein；On the contrary, providing these embodiments So that the utility model is more comprehensively and completely, and the design of example embodiment is comprehensively communicated to those skilled in the art Member.

A kind of Jing Kuang driving cuts a simultaneous drifting structure, including cuts a tunnel 1, big face 2, facet 3, development machine 4, belt 5, The dilatory tail 5-1 of movable type, hydraulic prop 8, two operatings carry belt 9, anchor cable 10；It is characterized in that a tunnel 1 of cutting is divided For big face 2 and facet 3, big face 2 is entirely cut a tunnel 1 2/3rds wide, facet 3 be entirely cut a tunnel 1 three/ One is wide；The big face 2, the perforation of 3 alternate cycles operation simultaneous drifting of facet；The length that the development machine 4 first tunnels big face 2 is 10-12 meters；Stop digging when the length of driving facet 3 is flushed with big face 2 after the development machine 4；The belt 5 is mounted on big 2 institute of face Side；Described cut is equipped with hydraulic prop 8 in a tunnel 1；Described cut is equipped with anchor cable 10 in a tunnel 1.

Embodiment 1

Driving preparation is carried out first: construction personnel is divided into three teams and groups, respectively night shift, mornig shift, the middle class in a kindergarten, three teams and groups It recycles and constructs in strict accordance with division of labor, a tunnel 1 will be cut divide and tunneled for big face 2 and facet 3, the width in big face 2 is entire Cut a tunnel 1 it is wide 2/3rds, 3 width of facet be entirely cut the wide one third in a tunnel 1；Working face open-off cut eye, such as: driving is wide The rectangle of × height=7.3 × 3.3m cuts 1 section of a tunnel, and sets installation 5 side of belt as big face 2, sets following parameter.

Step 1: sending night operator to carry out big face 2 and tunnel, big 2 excavated section of face are as follows: wide × high=4.8 × 3.3m stops digging when driving is to 10-12m；

Step 2: sending morning machine repair personnel to carry out plant maintenance and maintenance, at the same producers to the big face 2 of driving, Facet 3 carries out the reinforcing of anchor cable 10 and side portion's supporting, and the covering of anchor cable 10 is met head on to development end；

Step 3: sending the middle class in a kindergarten to carry out facet 3 and tunnel, and development machine 4 is back to big 2 initial position of face progress facet 3 and is dug Into 3 excavated section of facet is that width × height=2.5 × 3.3m is being cut in a tunnel 1 while facet 3 is tunneled with beating monomer hydraulic Pillar 8, the lag facet 3 of hydraulic prop 8 meet head on to be no more than 25m, and 3 anchor cable 10 of facet lag meets head on to be no more than 15m, if will When the driving of facet 3 is flushed with big face 2 driving, it is then returned to step 1 and carries out the big driving of face 2 again, according to described Step 1: step Rapid two, the sequence circulation of step 3 carries out construction and cuts eye.

When cutting big face 2, the alternating construction of facet 3 in tunnel 1, big cross section, light-gauge maximum unsupported back span are not more than 4.8m, Specific construction is depending on the geologic structure of each department and regulation, if top side is broken, should take the side of " one row of pick, one row of branch " Case is constructed, and fully ensures that whole process carries out safely.

When big face 2, facet 3 are alternately constructed, 2 boring head of primary big face must not meet head on 12 meters of advanced secondary facet 3.

Cutting, the opening space-time top surface of tunnel 1 is larger, to add in the place for not influencing driving and beat interim hydraulic single prop, In order to avoid causing roof fall casualty accident.

If can suitably be stayed when roof cracking and set 200-300mm top coal, it is ensured that cut 1 height of a tunnel not less than 3.1m, cut eye Height of the height in tunnel 1 not less than design installation requirement.

After the completion of each circulation, last row anchor pole before must there are the empty top zones 300~500mm, so that subsequent cycle is cut Coal prevents top plate uneven.

The spacing of the hydraulic prop 8 are as follows: be 2700mm when top plate is complete, top plate is when more broken 1800mm, hydraulic prop 8 will wear bolumn cap, prick post shoes, and bolumn cap is bundled on column cap with iron wire or chainlet, hydraulic prop 8 will fasten anti-down rope, and anti-down rope uses 8# iron wire by monomer column column cap bolt jail on top plate steel band or mesh sheet, with anti-down column wound People.

Brushing, extended surface must not be carried out under 10 state of spare anchor rope, in order to avoid cause safety accident.

10 arrangement of anchor cable is 4-4-4, and array pitch is 1800 × 2700mm between anchor cable 10, and Specific construction is according to each Depending on the geologic structure and regulation in area, it is ensured that work progress is safe and reliable.

Claims

1. a kind of Jing Kuang driving cuts a simultaneous drifting structure, including cuts a tunnel, big face, facet, development machine, belt is mobile Dilatory tail, hydraulic prop, two operatings carry belt, anchor cable；It is characterized in that a tunnel of cutting is divided into big face and facet, greatly Face is entirely cut a tunnel 2/3rds wide, facet be entirely cut a tunnel one third it is wide；A tunnel of cutting is big Face, facet alternate cycles operation perforation；The length that the development machine first tunnels big face is 10-12 meters；It is tunneled after the development machine The length of facet is flushed with big face；The belt is mounted on the side where big face；Described cut is equipped with monomer hydraulic in a tunnel Pillar；Described cut is equipped with anchor cable in a tunnel.

2. a kind of Jing Kuang driving according to claim 1 cuts a simultaneous drifting structure, it is characterised in that: described to cut a tunnel Section are as follows: the rectangle of wide × height=7.3 × 3.3m cuts a drift section.

3. a kind of Jing Kuang driving according to claim 1 cuts a simultaneous drifting structure, it is characterised in that: driving facet expands side No more than meeting head on for big face working face.

4. a kind of Jing Kuang driving according to claim 1 cuts a simultaneous drifting structure, it is characterised in that: the anchor in the big face Rope strengthening construction to working face is met head on, and big face anchor cable is not finished, and the facet that must not construct expands side.

5. a kind of Jing Kuang driving according to claim 1 cuts a simultaneous drifting structure, it is characterised in that: facet anchor cable lag Facet meets head on to be no more than 15 meters.

6. a kind of Jing Kuang driving according to claim 1 cuts a simultaneous drifting structure, it is characterised in that: the monomer hydraulic Pillar must not lag facet and meet head on 25 meters.

7. a kind of Jing Kuang driving according to claim 1 cuts a simultaneous drifting structure, it is characterised in that: the anchor cable arrangement Mode is 4-4-4, and array pitch is 1800 × 2700mm between anchor cable.

8. a kind of Jing Kuang driving according to claim 1 cuts a simultaneous drifting structure, it is characterised in that: last row's anchor pole It is preceding that there are the empty top zones 300~500mm.