CN216381377U - Composite reinforced cutting tooth of coal mining machine - Google Patents

Composite reinforced cutting tooth of coal mining machine Download PDF

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Publication number
CN216381377U
CN216381377U CN202220000078.3U CN202220000078U CN216381377U CN 216381377 U CN216381377 U CN 216381377U CN 202220000078 U CN202220000078 U CN 202220000078U CN 216381377 U CN216381377 U CN 216381377U
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China
Prior art keywords
pick
fixedly connected
installation piece
handle
cutting
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CN202220000078.3U
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Chinese (zh)
Inventor
李洪现
贾风中
童子珍
常洪菊
杜冠新
李东敖
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Liaocheng Guanxian Shangao Superhard Material Co ltd
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Liaocheng Guanxian Shangao Superhard Material Co ltd
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Abstract

The utility model relates to the technical field of cutting picks, and discloses a composite reinforced cutting pick of a coal mining machine, which comprises a cutting pick handle, wherein a reinforced coating is arranged on the surface of the cutting pick handle, an installation block is fixedly connected inside the cutting pick handle, a cutting pick head is fixedly connected to the top of the installation block, the side surface of the cutting pick head is fixedly connected with the inside of the cutting pick handle, and the side surface of the cutting pick head is fixedly connected with the inside of the reinforced coating. This compound strenghthened type coal-winning machine pick, through setting up the installation piece, annular groove and post hole, the installation piece is put into from the hole of placing on pick handle top, makes the post hole and the erection column surface cooperation of installation piece bottom, because three annular groove has been seted up on the installation piece surface for in the three welding ring that forms when welding between the installation piece surface and the placing hole inside fills to three annular groove, make increase installation piece surface and place the welding area of downthehole portion, thereby make pick handle top installation piece department be difficult for droing.

Description

Composite reinforced cutting tooth of coal mining machine
Technical Field
The utility model relates to the technical field of cutting picks, in particular to a composite reinforced cutting pick of a coal mining machine.
Background
Picks are parts of the mining and tunnelling machines and consist of a pick shank and a pick head which is welded to the tip of the pick shank, typically with a diamond coating on the pick surface in order to enhance the hardness and wear resistance of the pick. The cutting pick head is welded with the placing groove formed in the top end of the cutting pick handle, but after the existing cutting pick head is mined and used for a period of time, the cutting pick head is easy to wear and drop, the internal structure of the placing groove in the top end of the cutting pick handle can be damaged when the cutting pick head drops, and the replacement welding operation of the cutting pick head is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a composite reinforced coal cutter pick, which has the advantages of difficult falling, convenient replacement and welding and the like, and solves the problems that after the existing pick head is mined and used for a period of time, the pick head is easy to wear and fall, and the internal structure of a placing groove at the top end of a pick holder can be damaged when the pick head falls off, so that the change and welding operation of the pick head is influenced.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a compound strenghthened type coal-winning machine pick, includes the pick handle, the surface of pick handle is equipped with strengthens the cladding material, the inside fixedly connected with installation piece of pick handle, the top fixedly connected with pick head of installation piece, the inside fixed connection of side surface and the pick handle of pick head, the inside fixed connection of side surface and the reinforcing cladding material of pick head.
Preferably, a placing hole is formed in the pick holder, the mounting block is matched with the inside of the placing hole, and the mounting block is placed in the placing hole in the top end of the pick holder, so that the top end of the pick holder can be welded and plated with the reinforced plating layer.
Preferably, place three welding rings of downthehole side wall fixedly connected with, the side surface of installation piece and the inside fixed connection of three welding ring, the installation piece surface with place three welding ring that form when welding between the downthehole portion fill to three annular groove in, make increase installation piece surface and place the welding area of downthehole portion to the installation piece that makes the pick handle top is difficult for droing.
Preferably, three annular grooves are formed in the side surface of the mounting block, the welding rings are matched with the three annular grooves in the inside respectively, and the cutting pick head can carry the three welding rings when falling off, so that the inner wall of the placing hole cannot be damaged.
Preferably, the inner bottom wall of the placing hole is fixedly connected with a mounting column, the top end of the mounting column is fixedly connected with the bottom of the mounting block in an inserting mode, and a column hole in the bottom of the mounting block is matched with the surface of the mounting column, so that the mounting block can be conveniently positioned and placed.
Preferably, the center department of installation piece bottom has seted up the post hole, the inside looks adaptation in side surface and the post hole of erection column, can carry the erection column when the pick head drops, and can not cause the destruction to placing the downthehole wall.
Compared with the prior art, the utility model provides a composite reinforced coal cutter pick, which has the following beneficial effects:
1. this compound strenghthened type coal-winning machine pick, through setting up the installation piece, annular groove and post hole, the installation piece is put into from the hole of placing on pick handle top, makes the post hole and the erection column surface cooperation of installation piece bottom, because three annular groove has been seted up on the installation piece surface for in the three welding ring that forms when welding between the installation piece surface and the placing hole inside fills to three annular groove, make increase installation piece surface and place the welding area of downthehole portion, thereby make pick handle top installation piece department be difficult for droing.
2. This compound strenghthened type coal-winning machine pick, through setting up welding ring and erection column, three welding ring and the three annular groove internal weld on installation block surface, erection column surface and the downthehole welding of post can carry three welding ring and erection column when the pick head drops, and place the downthehole wall and can not take place to destroy, and it can carry out erection welding to new pick head to weld the erection column again to place downthehole diapire during the change to be convenient for the change welding operation of pick head.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
fig. 3 is a schematic view of the mounting block structure of the present invention.
Wherein: 1. a pick shank; 2. reinforcing the plating layer; 3. mounting blocks; 4. a pick head; 5. placing holes; 6. welding a ring; 7. an annular groove; 8. mounting a column; 9. and (4) column holes.
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.
Referring to fig. 1-3, a composite reinforced cutting pick for a coal mining machine comprises a cutting pick handle 1, a reinforced coating 2 is arranged on the surface of the cutting pick handle 1, an installation block 3 is fixedly connected inside the cutting pick handle 1, a placing hole 5 is arranged inside the cutting pick handle 1, the installation block 3 is matched with the inside of the placing hole 5, the installation block 3 is placed into the cutting pick handle 1 from the placing hole 5 at the top end, the top end of the cutting pick handle 1 can be welded and coated with the reinforced coating 2, three welding rings 6 are fixedly connected to the inner side wall of the placing hole 5, the side surface of the installation block 3 is fixedly connected with the inside of the three welding rings 6, three welding rings 6 formed when the surface of the installation block 3 and the inside of the placing hole 5 are welded are filled into three annular grooves 7, so that the welding area between the surface of the installation block 3 and the inside of the placing hole 5 is increased, the installation block 3 at the top end of the cutting pick handle 1 is not easy to fall off, three annular grooves 7 are arranged on the side surface of the installation block 3, the interior of the three welding rings 6 are respectively matched with the interior of the three annular grooves 7, the cutting pick head 4 can carry the three welding rings 6 when falling off without damaging the inner wall of the placing hole 5, the inner bottom wall of the placing hole 5 is fixedly connected with the mounting column 8, the top end of the mounting column 8 is fixedly connected with the bottom of the mounting block 3 in an inserting mode, the column hole 9 at the bottom of the mounting block 3 is matched with the surface of the mounting column 8, the mounting block 3 is convenient to position and place, the welding rings 6 and the mounting column 8 are arranged, the three welding rings 6 are welded with the three annular grooves 7 on the surface of the mounting block 3, the surface of the mounting column 8 is welded with the column hole 9, the surface of the cutting pick head 4 is welded with the top end of the cutting pick handle 1, then the surface of the cutting pick head 4 is plated with the reinforced plating layer 2, so that the welding and the mounting of the cutting pick head 4 are finished, the three welding rings 6 and the mounting column 8 can be carried when the cutting pick head 4 falls off, and the inner side wall of the placing hole 5 cannot be damaged, when in replacement, the mounting post 8 is welded on the bottom wall of the placing hole 5 again, so that a new cutting pick head 4 can be installed and welded, the cutting pick head 4 can be replaced and welded conveniently, the center of the bottom of the mounting block 3 is provided with the post hole 9, the side surface of the mounting post 8 is matched with the inside of the post hole 9, when the cutting pick head 4 falls off, the mounting post 8 can be carried without damaging the inner wall of the placing hole 5, the mounting block 3, the annular groove 7 and the post hole 9 are arranged, the mounting block 3 is placed into the placing hole 5 at the top end of the cutting pick handle 1, so that the post hole 9 at the bottom of the mounting block 3 is matched with the surface of the mounting post 8, and as the surface of the mounting block 3 is provided with the three annular grooves 7, three welding rings 6 formed when the surface of the mounting block 3 and the inside of the placing hole 5 are welded are filled into the three annular grooves 7, the welding area between the surface of the mounting block 3 and the inside of the placing hole 5 is increased, so that the mounting block 3 at the top end of the cutting pick handle 1 is not easy to fall off, the top of the mounting block 3 is fixedly connected with a cutting pick head 4, the side surface of the cutting pick head 4 is fixedly connected with the inside of the cutting pick handle 1, and the side surface of the cutting pick head 4 is fixedly connected with the inside of the reinforced coating 2.
When in use, the mounting block 3 is put in from the placing hole 5 at the top end of the cutting pick handle 1, the column hole 9 at the bottom of the mounting block 3 is matched with the surface of the mounting column 8, three annular grooves 7 are arranged on the surface of the mounting block 3, so that three welding rings 6 formed when the surface of the mounting block 3 is welded with the inside of the placing hole 5 are filled in the three annular grooves 7, the welding area between the surface of the mounting block 3 and the inside of the placing hole 5 is enlarged, the mounting block 3 at the top end of the cutting pick handle 1 is not easy to fall off, the three welding rings 6 are welded with the three annular grooves 7 on the surface of the mounting block 3, the surface of the mounting column 8 is welded with the column hole 9, then the surface of the cutting pick head 4 is welded with the top end of the cutting pick handle 1, then the reinforced coating 2 is plated on the surface of the cutting pick head 4, the welding installation of the cutting pick head 4 is completed, when the cutting pick head 4 falls off, the three welding rings 6 and the mounting column 8 are carried, and the inner side wall of the placing hole 5 can not be damaged, when the cutting bit is replaced, the mounting column 8 is welded on the bottom wall of the placing hole 5 again, so that the new cutting bit 4 can be mounted and welded, and replacement and welding operation of the cutting bit 4 are facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a compound strenghthened type coal-winning machine pick, includes pick handle (1), its characterized in that: the surface of cutting tooth handle (1) is equipped with and strengthens cladding material (2), the inside fixedly connected with installation piece (3) of cutting tooth handle (1), the top fixedly connected with cutting tooth head (4) of installation piece (3), the inside fixed connection of the side surface of cutting tooth head (4) and cutting tooth handle (1), the inside fixed connection of the side surface of cutting tooth head (4) and strengthening cladding material (2).
2. The composite reinforced shearer pick of claim 1, wherein: a placing hole (5) is formed in the pick handle (1), and the mounting block (3) is matched with the inside of the placing hole (5).
3. The composite reinforced shearer pick of claim 2, wherein: the three welding rings (6) are fixedly connected to the inner side wall of the placement hole (5), and the side surface of the mounting block (3) is fixedly connected with the inner portions of the three welding rings (6).
4. The composite reinforced shearer pick of claim 3, wherein: three annular grooves (7) are formed in the side surface of the mounting block (3), and the interiors of the three welding rings (6) are respectively matched with the interiors of the three annular grooves (7).
5. The composite reinforced shearer pick of claim 2, wherein: the inner bottom wall of the placing hole (5) is fixedly connected with a mounting column (8), and the top end of the mounting column (8) is fixedly connected with the bottom of the mounting block (3) in an inserting mode.
6. The composite reinforced shearer pick of claim 5, wherein: the center department of installation piece (3) bottom has seted up post hole (9), the inside looks adaptation of the side surface and post hole (9) of erection column (8).
CN202220000078.3U 2022-01-01 2022-01-01 Composite reinforced cutting tooth of coal mining machine Active CN216381377U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220000078.3U CN216381377U (en) 2022-01-01 2022-01-01 Composite reinforced cutting tooth of coal mining machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220000078.3U CN216381377U (en) 2022-01-01 2022-01-01 Composite reinforced cutting tooth of coal mining machine

Publications (1)

Publication Number Publication Date
CN216381377U true CN216381377U (en) 2022-04-26

Family

ID=81237837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220000078.3U Active CN216381377U (en) 2022-01-01 2022-01-01 Composite reinforced cutting tooth of coal mining machine

Country Status (1)

Country Link
CN (1) CN216381377U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A composite reinforced shearer pick

Effective date of registration: 20221028

Granted publication date: 20220426

Pledgee: China Construction Bank Corporation Guanxian sub branch

Pledgor: Liaocheng Guanxian Shangao Superhard Material Co.,Ltd.

Registration number: Y2022980019882

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231113

Granted publication date: 20220426

Pledgee: China Construction Bank Corporation Guanxian sub branch

Pledgor: Liaocheng Guanxian Shangao Superhard Material Co.,Ltd.

Registration number: Y2022980019882

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A composite reinforced shearer cutter

Effective date of registration: 20231120

Granted publication date: 20220426

Pledgee: China Construction Bank Corporation Guanxian sub branch

Pledgor: Liaocheng Guanxian Shangao Superhard Material Co.,Ltd.

Registration number: Y2023980066523

PE01 Entry into force of the registration of the contract for pledge of patent right