CN212508288U

CN212508288U - Tunneling mechanism of underground coal mine tunneling equipment

Info

Publication number: CN212508288U
Application number: CN202021414444.7U
Authority: CN
Inventors: 胡龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-09
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a coal mine underground tunneling device, which comprises a tunneling drill bit, wherein a spiral fixing belt is arranged on the outer surface of the tunneling drill bit, a plurality of groups of coal cutting teeth are arranged on one side of the spiral fixing belt, a drill boom is arranged on one side of the tunneling drill bit, a fixing box is arranged on one side of the drill boom, four groups of fixture blocks are arranged on the outer surface of the drill boom by one side, a vibrator is arranged in the drill boom, a vibrating drill rod is arranged on one side of the vibrator, a buffer spring is arranged in the vibrating drill rod, the fixing box comprises a box body, a connecting groove is arranged on one side of the box body, four groups of fixing springs are arranged in the box body, four groups of chutes and four groups of clamping grooves are arranged on the inner wall of one side of the box body, and a plurality of; the utility model discloses from taking broken rock effect, can break the rock to the rock of large tracts of land, it is comparatively convenient to install and dismantle simultaneously, need not with the help of extra instrument.

Description

Tunneling mechanism of underground coal mine tunneling equipment

Technical Field

The utility model belongs to the heading equipment field specifically is a colliery is tunnelling mechanism of tunnelling equipment in pit.

Background

Coal is the most important solid fuel and is one of combustible organic rocks, coal mines refer to places rich in coal resources and are generally divided into underground coal mines and open-pit coal mines, special coal mine tunneling equipment is needed in the process of mining the coal mine resources, and a tunneling mechanism is one of the most important components of the tunneling equipment.

When the existing tunneling mechanism of the underground coal mine tunneling equipment is used, rock breaking cannot be performed when large-area rocks are encountered, and an additional rock breaking device is needed; the existing tunneling mechanism of the underground coal mine tunneling equipment is inconvenient to disassemble and install, and brings certain influence to practical use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tunneling mechanism of underground coal mine tunneling equipment, which effectively solves the problems that when the existing tunneling mechanism of underground coal mine tunneling equipment is used, rock breaking can not be realized when large-area rock is encountered, and an additional rock breaking device is needed; the existing underground coal mine tunneling equipment has the technical problem that the tunneling mechanism is inconvenient to detach and install.

The purpose of the utility model can be realized by the following technical scheme:

a tunneling mechanism of underground coal mine tunneling equipment comprises a tunneling drill bit, wherein a spiral fixing belt is mounted on the outer surface of the tunneling drill bit, a plurality of groups of coal cutting teeth are mounted on one side of the spiral fixing belt, a drill boom is mounted on one side of the tunneling drill bit, a fixing box is mounted on one side of the drill boom, four groups of clamping blocks are mounted on one side, close to the outer surface of the drill boom, a vibrator is mounted inside the drill boom, a vibrating drill rod is mounted on one side of the vibrator, and a buffer spring is mounted inside the vibrating drill rod;

the fixed case includes the box, the spread groove has been seted up to one side of box, the internally mounted of box has four fixed springs of group, four groups of spouts and four groups of draw-in grooves have been seted up to one side inner wall of box, run through the one side of box has seted up a plurality of groups oilhole.

As a further aspect of the utility model, the spiral fixed band is the heliciform and distributes at the surface of tunnelling drill bit, spiral fixed band and tunnelling drill bit fixed connection, spiral fixed band and coal pick swing joint.

As a further aspect of the utility model, the fixed case of embedding in the drill boom, drill boom and fixed case swing joint.

As a further proposal of the utility model, the oil hole corresponds to the position of the clamping groove, and the clamping groove corresponding to the oil hole of each group is perpendicular to.

As a further aspect of the present invention, the length of the sliding groove is equal to the depth of the groove on one side of the box body, and the length of the sliding groove is greater than the length of the clamping groove.

As a further aspect of the present invention, the four sets of sliding grooves are perpendicular to each other, the four sets of clamping grooves are perpendicular to each other, and the included angles between the adjacent sliding grooves and the adjacent clamping grooves are forty-five degrees.

As a further aspect of the utility model, fixed spring's length is less than the degree of depth of box one side recess, the inner wall fixed connection of fixed spring and box.

The utility model has the advantages that:

the utility model discloses a set up the vibrator drill rod and cooperate the vibrator, when meeting the rock of large tracts of land in the tunneling process and need break rock, start the vibrator and drive the vibrator drill rod and break rock to the rock, the buffer spring inside the vibrator drill rod plays the cushioning effect, and the vibrator drill rod is pressed too big and is broken when avoiding breaking rock, need not to use extra rock breaking device, and is comparatively convenient, saves the cost;

through setting up fixture block and fixed spring cooperation draw-in groove, during the installation, the spread groove is connected with the pivot of entry driving machine, and fixture block and the spout on the drill boom aim at, promote the tunnelling drill bit, make the drill boom extrude fixed spring, when fixed spring can't continue to compress, with the rotatory forty-five degrees of fixed box, let fixture block and draw-in groove align, remove pressure, fixed spring resets, and the fixture block card is gone into the draw-in groove, accomplishes the installation, and convenient and fast need not to use other instruments to carry out the dismouting.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an internal structure view of the middle heading drill bit and the drill boom of the present invention.

Fig. 3 is an internal structure diagram of the middle fixing box of the present invention.

Fig. 4 is a side sectional view of the fixing box of the present invention.

In the figure: 1. a tunneling drill bit; 2. coal cutting pick; 3. a spiral fixing band; 4. a drill boom; 5. a fixed box; 6. vibrating a drill rod; 7. a buffer spring; 8. a clamping block; 9. a vibrator; 10. a chute; 11. fixing the spring; 12. an oil hole; 13. a card slot; 14. a box body; 15. and connecting the grooves.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a tunneling mechanism of a coal mine underground tunneling device comprises a tunneling drill bit 1, wherein a spiral fixing belt 3 is mounted on the outer surface of the tunneling drill bit 1, a plurality of groups of coal cutting teeth 2 are mounted on one side of the spiral fixing belt 3, a drill boom 4 is mounted on one side of the tunneling drill bit 1, a fixing box 5 is mounted on one side of the drill boom 4, four groups of fixture blocks 8 are mounted on one side of the outer surface of the drill boom 4, a vibrator 9 is mounted inside the drill boom 4, a vibrating tamper 6 is mounted on one side of the vibrator 9, and a buffer spring 7 is mounted inside the vibrating tamper 6;

the fixed box 5 comprises a box body 14, a connecting groove 15 is formed in one side of the box body 14, four groups of fixed springs 11 are mounted inside the box body 14, four groups of sliding grooves 10 and four groups of clamping grooves 13 are formed in the inner wall of one side of the box body 14, and a plurality of groups of oil holes 12 are formed in one side penetrating through the box body 14.

The spiral fixing belt 3 is spirally distributed on the outer surface of the tunneling drill bit 1, the spiral fixing belt 3 is fixedly connected with the tunneling drill bit 1, the spiral fixing belt 3 is movably connected with the coal cutting tooth 2, and the coal cutting tooth 2 is a high-quality tungsten steel cutting tooth special for a coal mining machine.

The fixed case 5 of embedding in the drill boom 4, drill boom 4 and fixed case 5 swing joint, fixed case 5 plays support and guard action to its inside subassembly.

The position of oilhole 12 and draw-in groove 13 corresponds, and every group oilhole 12 all is perpendicular to its draw-in groove 13 that corresponds, and oilhole 12 can be when connecting the card and die, pours into lubricating oil into to it, assists the dismouting.

The length of the sliding groove 10 is equal to the depth of the groove on one side of the box body 14, the length of the sliding groove 10 is greater than that of the clamping groove 13, and the sliding groove 10 provides a moving path of the clamping block 8 during installation and disassembly.

The four groups of sliding grooves 10 are mutually vertical, the four groups of clamping grooves 13 are mutually vertical, the included angle between the adjacent sliding grooves 10 and the adjacent clamping grooves 13 is forty-five degrees, the clamping grooves 13 correspond to the clamping blocks 8, and the clamping blocks 8 are clamped into the clamping grooves 13 during installation.

The length of the fixed spring 11 is smaller than the depth of a groove on one side of the box body 14, the fixed spring 11 is fixedly connected with the inner wall of the box body 14, and the clamping groove 13 is matched with the fixed spring 11 to fix the mounted drill boom 4.

A tunneling mechanism of underground coal mine tunneling equipment is characterized in that when the tunneling mechanism is used, a connecting groove 15 is connected with a rotating shaft of a tunneling machine, a clamping block 8 on a drill boom 4 is aligned with a sliding groove 10, a tunneling drill bit 1 is pushed, the drill boom 4 is enabled to extrude a fixed spring 11, when the fixed spring 11 cannot be compressed continuously, a fixed box 5 is rotated by forty-five degrees, the clamping block 8 is aligned with a clamping groove 13, pressure is removed, the fixed spring 11 is reset, the clamping block 8 is clamped into the clamping groove 13, installation is completed, if the connection clamping condition is met in the installation and disassembly process, lubricating oil can be injected through an oil hole 12 to assist disassembly and assembly, when rock breaking is needed when large-area rock is met in the tunneling process, a vibrator 9 is started to drive a vibrating drill 6 to break the rock, a buffer spring 7 in the vibrating drill 6 plays a role in buffering, the vibrating drill 6 is prevented from being crushed due to overlarge pressure during rock breaking, and no additional rock breaking device is needed, is more convenient.

The utility model discloses a set up the vibrator bit 6 and cooperate vibrator bit 9, when meeting the rock need break rock of large tracts of land in the tunnelling process, start vibrator bit 9 and drive vibrator bit 6 and break rock, the buffer spring 7 inside vibrator bit 6 plays the cushioning effect, and vibrator bit 6 is pressed too big and is broken when avoiding breaking rock, need not to use extra broken rock device, and is comparatively convenient, saves the cost; through setting up

fixture block

8 and 11 cooperation draw-in grooves 13 of fixed spring, during the installation, spread groove 15 is connected with the pivot of entry driving machine, fixture block 8 on the drill boom 4 aligns with spout 10, promote tunnelling drill bit 1, make drill boom 4 extrusion fixed spring 11, when fixed spring 11 can't continue to compress, with the rotatory forty-five degrees of fixed box 5, let fixture block 8 and draw-in groove 13 align, remove pressure, fixed spring 11 resets, 8 card of fixture block go into draw-in groove 13, accomplish the installation, and is convenient and fast, need not to use other instruments to carry out the dismouting.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a colliery is tunnelling mechanism of tunnelling equipment in pit, includes tunnelling drill bit (1), its characterized in that: the coal cutting device is characterized in that a spiral fixing belt (3) is mounted on the outer surface of the tunneling drill bit (1), a plurality of groups of coal cutting teeth (2) are mounted on one side of the spiral fixing belt (3), a drill boom (4) is mounted on one side of the tunneling drill bit (1), a fixing box (5) is mounted on one side of the drill boom (4), four groups of clamping blocks (8) are mounted on one side of the outer surface of the drill boom (4), a vibrator (9) is mounted inside the drill boom (4), a vibrating drill rod (6) is mounted on one side of the vibrator (9), and a buffer spring (7) is mounted inside the vibrating drill rod (6);

fixed case (5) include box (14), spread groove (15) have been seted up to one side of box (14), the internally mounted of box (14) has four groups of fixed spring (11), four groups of spout (10) and four groups draw-in groove (13) have been seted up to one side inner wall of box (14), run through a plurality of groups oilhole (12) have been seted up to one side of box (14).

2. The tunneling mechanism of the coal mine underground tunneling device according to claim 1, characterized in that the spiral fixing band (3) is spirally distributed on the outer surface of the tunneling drill bit (1), the spiral fixing band (3) is fixedly connected with the tunneling drill bit (1), and the spiral fixing band (3) is movably connected with the coal cutting pick (2).

3. The tunneling mechanism of the underground coal mine tunneling equipment according to claim 1, wherein a fixed box (5) is embedded in the drill boom (4), and the drill boom (4) is movably connected with the fixed box (5).

4. The tunneling mechanism of the coal mine underground tunneling device according to claim 1, wherein the oil holes (12) correspond to the slots (13), and each group of oil holes (12) is perpendicular to the corresponding slot (13).

5. The tunneling mechanism of the coal mine underground tunneling equipment according to claim 1, characterized in that the length of the sliding chute (10) is equal to the depth of a groove on one side of the box body (14), and the length of the sliding chute (10) is greater than the length of the clamping groove (13).

6. The tunneling mechanism of the coal mine underground tunneling equipment according to claim 1, characterized in that four sets of sliding chutes (10) are perpendicular to each other, four sets of clamping grooves (13) are perpendicular to each other, and an included angle between each adjacent sliding chute (10) and each clamping groove (13) is forty-five degrees.

7. The tunneling mechanism of the coal mine underground tunneling equipment as claimed in claim 1, wherein the length of the fixed spring (11) is smaller than the depth of a groove on one side of the box body (14), and the fixed spring (11) is fixedly connected with the inner wall of the box body (14).