CN216043702U

CN216043702U - Cutting pick for coal mine mining machine

Info

Publication number: CN216043702U
Application number: CN202121959589.XU
Authority: CN
Inventors: 高新建; 孙辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-15
Anticipated expiration: 2031-08-19

Abstract

The utility model belongs to the technical field of mining equipment, and particularly relates to a cutting pick for a coal mine mining machine. According to the utility model, the mounting and dismounting mechanism is arranged on the surface of the main body, the lug is clamped and limited corresponding to the opening by matching with the gear sleeve, the main body is conveniently mounted, fixed and limited, the cutting tooth is more convenient to mount and dismount, and the maintenance is convenient.

Description

Cutting pick for coal mine mining machine

Technical Field

The utility model relates to the technical field of mining equipment, in particular to a cutting pick for a coal mine mining machine.

Background

The cutting pick of the mining machine is one of the vulnerable parts in the coal mining and tunnel tunneling machines, is a main tool for breaking and crushing coal, and the following problems are found in the use process of the cutting pick for the existing coal mining machine:

the pick that current coal mine digger used when using, is inconvenient to its fixed operation of installing, leads to the installation effectiveness lower, and the wearability of pick head is relatively poor, and easy wearing and tearing increase its cost of maintenance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a cutting pick for a coal mine mining machine, which solves the problems that the existing cutting pick for the coal mine mining machine is inconvenient to install and fix when in use, so that the installation efficiency is lower, the wear resistance of a pick head is poorer, the pick head is easy to wear, and the maintenance cost is increased.

The second technical proposal.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the cutting pick for the coal mine mining machine comprises a top block, wherein a main body is fixed to the bottom of the top block, an installing and detaching mechanism is arranged on the surface of the main body, a limiting block is fixed to one end of the main body, a gear sleeve is sleeved on the surface of the main body, an opening is formed in the surface of the gear sleeve, an installing mechanism is fixedly installed at one end of the gear sleeve, a gear head is fixed to the top of the top block, a wear-resistant layer is arranged at the end of the gear head, and the top of the gear head is inlaid with the top.

Furthermore, the mounting and dismounting mechanism comprises a connecting plate rotating on the surface of the main body, a spring is fixed at the bottom of the connecting plate, the end part of the spring is fixedly connected with the main body, a convex block is fixed at the top of the connecting plate, the end part of the convex block penetrates through the opening and extends to the outside, and a pressing block is fixed on one side, located on the convex block, of the surface of the connecting plate.

Furthermore, the inner wall of the gear sleeve is provided with a limiting groove, and the limiting groove is matched with the limiting block.

Further, the installation mechanism comprises an installation disc fixed at the end part of the gear sleeve, and a plurality of symmetrically distributed bolts are arranged on the surface of the installation disc.

Further, the wearing layer is formed by wear-resistant welding powder overlaying, the thickness of the wearing layer is 6mm, and the top is made of alloy materials.

(III) advantageous effects

Compared with the prior art, the utility model provides a cutting pick for a coal mine mining machine, which has the following beneficial effects:

according to the utility model, the mounting and dismounting mechanism is arranged on the surface of the main body, the lug is clamped and limited corresponding to the opening by matching with the tooth sleeve, the main body is conveniently mounted, fixed and limited, the cutting tooth is more convenient to mount and dismount, and convenient to maintain.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial perspective view of the pick body of the present invention;

FIG. 3 is a partial perspective view of the present invention for use with a gear sleeve;

figure 4 is a cross-sectional view of a cutting pick for a coal mine mining machine according to the present invention.

In the figure: 1. a top block; 2. a main body; 3. mounting and dismounting the mechanism; 301. a connecting plate; 302. a spring; 303. a bump; 304. a pressing block; 4. a limiting block; 5. a gear sleeve; 6. an opening; 7. a limiting groove; 8. an installation mechanism; 801. mounting a disc; 802. a bolt; 9. a tooth head; 10. a wear layer; 11. and (4) ejecting the head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-4, a cutting pick for a coal mine mining machine according to an embodiment of the present invention includes a top block 1, a main body 2 is fixed at the bottom of the top block 1, a mounting and dismounting mechanism 3 is arranged on the surface of the main body 2, a limiting block 4 is fixed at one end of the main body 2, a gear sleeve 5 is sleeved on the surface of the main body 2, an opening 6 is arranged on the surface of the gear sleeve 5, an installation mechanism 8 is fixedly arranged at one end of the gear sleeve 5, a tooth head 9 is fixed at the top of the top block 1, a wear-resistant layer 10 is arranged at the end of the tooth head 9, and a top head 11 is embedded at the top of the tooth head 9; through manual pressing press block 304 for main part 2 inserts the inside of tooth cover 5, install fixed operation, utilize the elasticity resilience extrusion lug 303 of spring 302 to correspond the opening 6 on tooth cover 5 surface, the spacing convenience of chucking is installed tooth head 9 on mining machine equipment, when dismantling the maintenance, press lug 303 to the inside of tooth cover 5, extract main part 2 and can demolish, through set up wearing layer 10 and top 11 at the top of tooth head 9, increase wearability and shock resistance.

As shown in fig. 2, in some embodiments, the mounting and dismounting mechanism 3 includes a connecting plate 301 rotating on the surface of the main body 2, a spring 302 is fixed at the bottom of the connecting plate 301, and the end of the spring 302 is connected and fixed with the main body 2, a protrusion 303 is fixed at the top of the connecting plate 301, the end of the protrusion 303 extends to the outside through the opening 6, a pressing block 304 is fixed at one side of the surface of the connecting plate 301, which is located at the protrusion 303, the pressing block 304 is manually pressed to drive the connecting plate 301 to rotate along the surface of the main body 2, the main body 2 is inserted into the gear sleeve 5, and the protrusion 303 is clamped and fixed corresponding to the opening 6 through elastic resilience of the spring 302, so that the mounting and fixing are facilitated.

As shown in fig. 2 and 3, in some embodiments, the inner wall of the gear sleeve 5 is provided with a limiting groove 7, and the limiting groove 7 is adapted to the limiting block 4; correspond spacing groove 7 through stopper 4 and correspond the chucking, play supplementary spacing effect, prevent that main part 2 from rocking after the installation is fixed.

As shown in fig. 3, in some embodiments, the mounting mechanism 8 comprises a mounting plate 801 fixed to the end of the gear sleeve 5, a plurality of symmetrically distributed bolts 802 are arranged on the surface of the mounting plate 801, and the arrangement of the mounting mechanism 8 facilitates the mounting connection of the cutting pick and the mining machine through the bolts 802.

As shown in fig. 1, in some embodiments, the wear-resistant layer 10 is formed by hardfacing, the thickness of the wear-resistant layer 10 is 6mm, and the plug 11 is made of an alloy material; utilize welding equipment to weld on the top surface of pick 9 through wearing layer 10, the layer hardness can reach more than HRC60, and alloy material has good hardness and shock resistance, consequently in addition the setting cooperation wearing layer 10 of top 11 protects pick 9, great improvement the impact resistance and the wearability of pick.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cutting pick for a coal mine mining machine, comprising a top block (1), characterized in that: the bottom of kicking block (1) is fixed with main part (2), the surface of main part (2) is provided with ann and tears mechanism (3) open, the one end of main part (2) is fixed with spacing piece (4), the surface cover of main part (2) is equipped with tooth cover (5), opening (6) have been seted up on the surface of tooth cover (5), the one end fixed mounting of tooth cover (5) has installation mechanism (8), the top of kicking block (1) is fixed with tooth head (9), the tip of tooth head (9) is provided with wearing layer (10), the top of tooth head (9) is inlayed and is had top (11).

2. A cutting pick for a coal mine mining machine as claimed in claim 1, wherein: the mounting and dismounting mechanism (3) comprises a connecting plate (301) rotating on the surface of a main body (2), a spring (302) is fixed to the bottom of the connecting plate (301), the end portion of the spring (302) is fixedly connected with the main body (2), a protruding block (303) is fixed to the top of the connecting plate (301), the end portion of the protruding block (303) penetrates through an opening (6) and extends to the outside, and a pressing block (304) is fixed to one side, located on the protruding block (303), of the surface of the connecting plate (301).

3. A cutting pick for a coal mine mining machine as claimed in claim 1, wherein: the inner wall of the gear sleeve (5) is provided with a limiting groove (7), and the limiting groove (7) is matched with the limiting block (4).

4. A cutting pick for a coal mine mining machine as claimed in claim 1, wherein: the mounting mechanism (8) comprises a mounting disc (801) fixed at the end of the gear sleeve (5), and a plurality of symmetrically distributed bolts (802) are arranged on the surface of the mounting disc (801).

5. A cutting pick for a coal mine mining machine as claimed in claim 1, wherein: the wear-resistant layer (10) is formed by wear-resistant welding powder surfacing, the thickness of the wear-resistant layer (10) is 6mm, and the top (11) is made of alloy materials.