Wear-resistant inclined rolling puncher guide plate for mine
By embedding superhard particles in the anti-wear hardening layer of the guide plate, the problem of fast wear of the guide plate is solved, extending service life and reducing replacement costs.
Patent Information
- Application Number
- CN202420841103.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The existing mine perforator guide plates wear severely when in contact with rocks, and the wear-resistant layer wears rapidly, resulting in increased replacement costs.
A number of superhard particles are embedded in the anti-wear hardening layer of the guide plate. Some of the superhard particles are exposed and the other part is buried, improving wear resistance and enhancing hardness and impact resistance through ferroalloy or nickel alloy materials.
Extend the service life of the guide plate and reduce replacement frequency and cost.
Smart Images
Figure CN223075536U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of piercing equipment, in particular to an anti-wear guide plate for skew rolling piercing mill in mines. Background Art
[0002] The guide plate of the piercing mill is usually arranged on the outer peripheral surface of the piercing mill, and it mainly undertakes the guiding role in the process of mine piercing. The guide plate of the piercing mill is in direct contact with structures such as rocks during the working process of the piercing mill. Therefore, high requirements are imposed on the impact resistance and wear resistance of the guide plate. At present, in order to improve the wear resistance of the guide plate, a wear-resistant layer is usually welded on the working surface of the guide plate. This wear-resistant layer can improve the wear resistance of the guide plate to a certain extent. However, under the continuous operation of the piercing mill, the guide plate continuously rubs against the rock, accelerating the wear of the wear-resistant layer, making the wear-resistant layer thinner, resulting in wear of the guide plate and replacement, increasing the replacement cost. Summary of the Utility Model
[0003] In order to solve the above problems, the utility model provides an anti-wear guide plate for skew rolling piercing mill in mines, in which a plurality of superhard particles are embedded in the anti-wear hardening layer, so that the anti-wear hardening layer has high wear resistance, which is beneficial to increasing its service life and reducing the replacement cost.
[0004] The technical solution of the utility model is as follows:
[0005] An anti-wear guide plate for skew rolling piercing mill in mines, comprising a guide plate body and an anti-wear structure. The anti-wear structure includes a substrate, an anti-wear hardening layer and a plurality of superhard particles. The substrate includes a top surface and a bottom surface oppositely arranged along its own thickness direction. The bottom surface of the substrate is connected to the working surface of the guide plate body. The anti-wear hardening layer is arranged on the top surface of the substrate, and the anti-wear hardening layer is composed of metal solidified after melting. A plurality of the superhard particles are embedded in the anti-wear hardening layer; wherein, among the plurality of superhard particles, a part of the superhard particles are kept in the anti-wear hardening layer in a state of being completely buried, and another part of the superhard particles are kept in the anti-wear hardening layer in a state of being partially exposed.
[0006] Specifically, the superhard particles are made of nickel-based boron-containing alloy material.
[0007] Preferably, the thickness of the anti-wear hardening layer is set between 2-3 mm.
[0008] Furthermore, the particle size of the superhard particles is set between 0.5-1.5 mm.
[0009] Preferably, a plurality of the superhard particles are uniformly distributed in the anti-wear hardening layer.
[0010] Preferably, the surface of the anti-wear hardening layer is a rough surface.
[0011] Specifically, the anti-wear and hardening layer is made of ferroalloy or nickel alloy.
[0012] Preferably, the substrate is detachably connected to the guide plate body.
[0013] Specifically, connection holes penetrating through the substrate in its thickness direction are provided on the substrate, threaded holes are provided on the guide plate body, and connection bolts are further included. The connection bolts penetrate through the connection holes and are connected to the threaded holes to fix the substrate and the guide plate.
[0014] The beneficial effects of the present utility model are as follows:
[0015] A substrate is installed on the guide plate body, an anti-wear and hardening layer is formed on the substrate, and a plurality of superhard particles are embedded in the anti-wear and hardening layer. Some of the superhard particles are exposed outside the anti-wear and hardening layer and directly contact the rock, making the anti-wear and hardening layer have high anti-wear performance, slowing down its wear rate, being beneficial to increasing its service life, and reducing the replacement cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] By reading the detailed description of the preferred embodiments below, the solutions and advantages of the present application will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present utility model.
[0017] In the drawings:
[0018] Figure 1 is a schematic structural view of the anti-wear guide plate for an inclined rolling piercing mill in a mine according to the present utility model;
[0019] Figure 2 is a partial sectional view of the anti-wear guide plate for an inclined rolling piercing mill in a mine according to the present utility model.
[0020] The components represented by the reference numerals are:
[0021] 1 superhard particle, 2 anti-wear and hardening layer, 3 connection hole, 4 substrate, 5 guide plate body, 6 connection bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Referring to Figure 1 and Figure 2 , the present utility model provides an anti-wear guide plate for an inclined rolling piercing mill in a mine, including a guide plate body 5 and an anti-wear structure.
[0023] The anti-wear structure includes a substrate 4, an anti-wear hardening layer 2, and a plurality of superhard particles 1. The substrate 4 includes a top surface and a bottom surface that are oppositely arranged along its thickness direction. The bottom surface of the substrate 4 is connected to the working surface of the guide plate body 5. The anti-wear hardening layer 2 is provided on the top surface of the substrate 4, and the anti-wear hardening layer 2 is composed of metal that is melted and then solidified. A plurality of superhard particles 1 are embedded in the anti-wear hardening layer 2. The superhard particles 1 in the anti-wear hardening layer 2 are in direct contact with the rock, making the anti-wear hardening layer 2 have high anti-wear performance, slowing down its wear rate, being beneficial to increasing its service life, and reducing the replacement cost.
[0024] Specifically, the superhard particles 1 are made of nickel-based boron-containing alloy, so that the superhard particles 1 have high hardness and anti-wear performance, which is beneficial to improving the anti-wear ability of the anti-wear hardening layer 2. In addition, the anti-wear hardening layer is made of ferroalloy or nickel alloy, such as nickel-chromium alloy, so that the anti-wear hardening layer 2 has high hardness, thereby improving its anti-wear and anti-impact properties.
[0025] Optionally, the surface of the anti-wear hardening layer 2 is a rough surface, which is beneficial to increasing the friction coefficient of the anti-wear hardening layer 2 to enhance its anti-wear performance.
[0026] Among them, among the plurality of superhard particles 1, a part of the superhard particles 1 are maintained in the anti-wear hardening layer 2 in a state of being completely buried, and another part of the superhard particles 1 are maintained in the anti-wear hardening layer 2 in a state of being partially exposed. It can be understood that when the superhard particles 1 exposed outside the anti-wear hardening layer 2 are worn, the superhard particles 1 buried in the anti-wear hardening layer 2 will be exposed and continue to contact the rock, so that the anti-wear hardening layer 2 maintains high anti-wear performance.
[0027] Optionally, the thickness of the anti-wear hardening layer 2 is set between 2-3 mm. For example, the thickness of the anti-wear hardening layer 2 can be 3 mm, and the particle size of the superhard particles 1 is set between 0.5-1.5 mm, so that a part of the superhard particles 1 are maintained in the anti-wear hardening layer 2 in a state of being completely buried, and another part of the superhard particles 1 are maintained in the anti-wear hardening layer 2 in a state of being partially exposed.
[0028] In one embodiment, the plurality of superhard particles 1 are uniformly distributed in the anti-wear hardening layer 2, so that each part of the anti-wear hardening layer 2 can maintain high anti-wear performance, and avoid wear due to insufficient anti-wear performance at a certain place.
[0029] It should be noted that the substrate 4 is detachably connected to the guide plate body 5, so that the anti-wear structure can be replaced after it fails, without having to replace the guide plate, which is beneficial to reducing the replacement cost.
[0030] Specifically, a connection hole 3 penetrating along the thickness direction of the substrate 4 is provided on the substrate 4, a threaded hole is provided on the guide plate body 5, and a connection bolt 6 is further included. The connection bolt 6 penetrates the connection hole 3 and is connected to the threaded hole to fix the substrate 4 and the guide plate, so as to facilitate the replacement of the anti-wear structure.
[0031] The above is only the preferred embodiment of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. An anti-wear guide plate for a skew rolling piercing mill used in mines, characterized in that, Comprising: A guide plate body (5); An anti-wear structure, the anti-wear structure comprising a substrate (4), an anti-wear hardening layer (2), and a plurality of superhard particles (1). The substrate (4) comprises a top surface and a bottom surface oppositely arranged along its own thickness direction. The bottom surface of the substrate (4) is connected to the working surface of the guide plate body (5). The anti-wear hardening layer (2) is provided on the top surface of the substrate (4), and the anti-wear hardening layer (2) is composed of metal solidified after melting. A plurality of the superhard particles (1) are embedded in the anti-wear hardening layer (2); Wherein, among the plurality of superhard particles (1), a part of the superhard particles (1) are maintained in the anti-wear hardening layer (2) in a state of being entirely buried, and another part of the superhard particles (1) are maintained in the anti-wear hardening layer (2) in a state of being partially exposed.
2. The anti-wear cross-rolling piercing mill guide plate for mines according to claim 1, wherein, The superhard particle (1) is made of a nickel-based boron-containing alloy material.
3. The wear-resistant cross-rolling piercing mill guide plate for mines according to claim 1, characterized in that, The thickness of the anti-wear hardening layer (2) is set between 2 - 3 mm.
4. The anti-wear cross-rolling piercing mill guide plate for mines according to claim 3, characterized in that, The particle size of the superhard particle (1) is set between 0.5 - 1.5 mm.
5. The wear-resistant cross-rolling piercing mill guide plate for mines according to claim 1, characterized in that The plurality of superhard particles (1) are uniformly distributed in the anti-wear hardening layer (2).
6. The anti-wear cross-rolling piercing mill guide plate for mines according to claim 1, characterized in that, The surface of the anti-wear hardening layer (2) is a rough surface.
7. The wear-resistant cross-rolling piercing mill guide plate for mines according to claim 1, characterized in that, The anti-wear hardening layer (2) is made of a ferroalloy or a nickel alloy material.
8. The wear-resistant skew rolling piercing mill guide plate for mines according to claim 1, characterized in that The substrate (4) is detachably connected to the guide plate body (5).
9. The anti-wear skew rolling piercing mill guide plate for mines according to claim 8, characterized in that, A connection hole (3) penetrating along the thickness direction of the substrate (4) is provided on the substrate (4). A threaded hole is provided on the guide plate body (5). A connection bolt (6) is further included. The connection bolt (6) penetrates through the connection hole (3) and is connected to the threaded hole to fix the substrate (4) to the guide plate.