CN216517988U - Electroplating surface cutting insert type pick for coal mining machine - Google Patents
Electroplating surface cutting insert type pick for coal mining machine Download PDFInfo
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- CN216517988U CN216517988U CN202122585140.8U CN202122585140U CN216517988U CN 216517988 U CN216517988 U CN 216517988U CN 202122585140 U CN202122585140 U CN 202122585140U CN 216517988 U CN216517988 U CN 216517988U
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- pick
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- handle
- mounting hole
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Abstract
The utility model discloses an electroplating surface cutter-mounting type cutting pick for a coal mining machine, which comprises a pick head, a pick holder and a pick handle, wherein the pick head is arranged on the pick holder, the pick holder and the pick handle are integrally formed, the upper end of the pick handle is an integrally formed connecting plate, the upper part of the connecting plate is an integrally formed pick holder, the pick holder and the pick handle are in a knife-shaped structure, one end of the connecting plate is provided with a through hole for mounting a spray head, the front surface of the lower end of a handle is provided with an 8-shaped key groove, and the side wall of the upper end of the handle is provided with a cylindrical key groove; the mounting hole that is used for installing the tooth head is seted up on the toothholder top, sets up the spacing groove with the mounting hole axis syntropy on the mounting hole pore wall, and tooth head interference fit installs in the mounting hole, is provided with spacing groove complex bellied area on the outer wall of tooth head lower part. The connection between the pick head and the pick seat is reinforced, and the electroplated surface-inlaid diamond layer can prolong the service life of the pick head, so that the pick is sharper and more wear-resistant in the use process, is not easy to delaminate, fall off and crack, and has better shock resistance.
Description
Technical Field
The utility model belongs to the field of drill bits, and particularly relates to an electroplated surface cutting insert type pick for a coal mining machine.
Background
The cutting pick is a tool for cutting coal and rock by mining machinery, and comprises a flat cutting pick, a conical cutting pick, a radial cutting pick, a tangential cutting pick and the like. The cutting teeth roughly comprise tunneling teeth for a tunneling machine, pick-type cutting teeth for a coal mining machine, cutter-type cutting teeth, rotary digging teeth for a rotary drilling machine, milling and planing teeth for a milling machine and digging bucket teeth. The pick head is easy to loosen when the cutting pick in the prior art is used for mining, great potential safety hazards exist, the wear resistance is insufficient, and the damage is easy to occur.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an electroplated watch insert type cutting pick for a coal mining machine.
In order to achieve the purpose, the technical scheme is as follows:
the electroplated surface cutting insert type cutting pick for the coal mining machine comprises a pick head, a pick holder and a pick handle, wherein the pick head is installed on the pick holder, the pick holder and the pick handle are integrally formed, the upper end of the pick handle is an integrally formed connecting plate, the upper part of the connecting plate is an integrally formed pick holder, the pick holder and the pick handle are in a knife-shaped structure, one end of the connecting plate is provided with a through hole for installing a spray head, the front surface of the lower end of the handle is provided with an 8-shaped key groove, and the side wall of the upper end of the handle is provided with a cylindrical key groove;
the top end of the tooth holder is provided with a mounting hole for mounting a tooth head, the wall of the mounting hole is provided with a limiting groove in the same direction as the axis of the mounting hole, the tooth head is arranged in the mounting hole in an interference fit manner, and meanwhile, the outer wall of the lower part of the tooth head is provided with a convex belt matched with the limiting groove;
the outer wall of the upper part of the tooth holder is provided with a limiting hole penetrating through the lower part of the tooth head, and a pin is inserted in the limiting hole in an interference fit manner;
in addition, a diamond wear-resistant layer is electroplated and inlaid on the outer wall of the part, exposed out of the tooth seat, of the tooth head, and a diamond wear-resistant layer is electroplated and inlaid on the outer wall of the upper part of the tooth seat, and the pin is covered in the diamond wear-resistant layer.
As a further improvement of the utility model: the tooth head is welded with the tooth holder at the joint.
As a further improvement of the utility model: the axis of the limiting hole is perpendicular to and intersected with the axis of the mounting hole.
The utility model has the beneficial effects that: the connection between the pick head and the pick seat is reinforced, and meanwhile, the service life of the pick head can be prolonged by electroplating the diamond layer embedded on the surface, so that the pick is sharper and more wear-resistant in the use process, is not easy to delaminate, fall off and crack, and has better impact resistance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a cross-sectional view of a in fig. 1.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
Please refer to fig. 1-3:
the electroplated surface cutting insert type cutting pick for the coal mining machine comprises a pick head 1, a pick holder 2 and a pick holder 3, wherein the pick head 1 is installed on the pick holder 2, the pick holder 2 and the pick holder 3 are integrally formed, the upper end of the pick holder 3 is provided with an integrally formed connecting plate 4, the upper part of the connecting plate 4 is provided with the integrally formed pick holder 2, the pick holder 2 and the pick holder 3 are in a knife-shaped structure, one end of the connecting plate 4 is provided with a through hole 41 for installing a spray head, the front surface of the lower end of a handle 3 is provided with an 8-shaped key groove 31, and the side wall of the upper end of the handle 3 is provided with a cylindrical key groove 32;
the top end of the tooth holder 2 is provided with a mounting hole 21 for mounting the tooth head 1, the wall of the mounting hole 21 is provided with a limiting groove 22 in the same direction as the axis of the mounting hole 21, the tooth head 1 is arranged in the mounting hole 21 in an interference fit manner, and meanwhile, the outer wall of the lower part of the tooth head 1 is provided with a convex belt 11 matched with the limiting groove 22;
a limiting hole 23 penetrating through the lower part of the gear head 1 is formed in the outer wall of the upper part of the gear seat 2, and a pin 5 is inserted in the limiting hole 23 in an interference fit manner;
in addition, a diamond wear-resistant layer 6 is electroplated and inlaid on the outer wall of the part, exposed out of the tooth holder 2, of the tooth head 1, and a diamond wear-resistant layer 6 is electroplated and inlaid on the outer wall of the upper part of the tooth holder 2, and the pin 5 is covered in the diamond wear-resistant layer 6.
The joint of the tooth head 1 and the tooth holder 2 is provided with a welding belt 7; the axis of the limiting hole 23 is perpendicular to and intersects with the axis of the mounting hole 21.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (3)
1. A electroplate table cutting insert type pick for coal-winning machine, including prong, toothholder and tooth handle, the prong is installed on the toothholder, toothholder and toothholder integrated into one piece, its characterized in that:
the upper end of the tooth handle is provided with an integrally formed connecting plate, the upper part of the connecting plate is provided with an integrally formed tooth seat, the tooth seat and the tooth handle are in a knife-shaped structure, one end of the connecting plate is provided with a through hole for installing a spray head, the front surface of the lower end of the handle is provided with an 8-shaped key groove, and the side wall of the upper end of the handle is provided with a cylindrical key groove;
the top end of the tooth holder is provided with a mounting hole for mounting a tooth head, the wall of the mounting hole is provided with a limiting groove in the same direction as the axis of the mounting hole, the tooth head is arranged in the mounting hole in an interference fit manner, and meanwhile, the outer wall of the lower part of the tooth head is provided with a convex belt matched with the limiting groove;
the outer wall of the upper part of the tooth holder is provided with a limiting hole penetrating through the lower part of the tooth head, and a pin is inserted in the limiting hole in an interference fit manner;
in addition, a diamond wear-resistant layer is electroplated and inlaid on the outer wall of the part, exposed out of the tooth seat, of the tooth head, and a diamond wear-resistant layer is electroplated and inlaid on the outer wall of the upper part of the tooth seat, and the pin is covered in the diamond wear-resistant layer.
2. The electroplated table insert type pick for coal mining machines of claim 1, wherein: the tooth head is welded with the tooth holder at the joint.
3. The electroplated table insert type pick for coal mining machines of claim 1, wherein: the axis of the limiting hole is perpendicular to and intersected with the axis of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122585140.8U CN216517988U (en) | 2021-10-27 | 2021-10-27 | Electroplating surface cutting insert type pick for coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122585140.8U CN216517988U (en) | 2021-10-27 | 2021-10-27 | Electroplating surface cutting insert type pick for coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216517988U true CN216517988U (en) | 2022-05-13 |
Family
ID=81524489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122585140.8U Active CN216517988U (en) | 2021-10-27 | 2021-10-27 | Electroplating surface cutting insert type pick for coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216517988U (en) |
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2021
- 2021-10-27 CN CN202122585140.8U patent/CN216517988U/en active Active
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