CN217681716U

CN217681716U - Coal mining machine spiral drum with wear-resistant protection structure

Info

Publication number: CN217681716U
Application number: CN202221518171.XU
Authority: CN
Inventors: 阮汾琪; 杨永磊; 胡彪
Original assignee: Shaanxi Kaiye Mining Equipment Co ltd
Current assignee: Shaanxi Kaiye Mining Equipment Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-10-28
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a coal mining machine spiral roller with a wear-resistant protection structure, which relates to the technical field of coal mining mechanical equipment and comprises a spiral roller, wherein the spiral roller comprises a drum hub and an end disc, the drum hub is horizontally arranged, one end with a base is arranged forwards, the front end of the drum hub is fixedly connected with a circular end plate, the end plate is vertically arranged, and a plurality of tooth sockets are arranged on the end plate around the circumference of the circle center; the vertical cover of end disc is established and fixed connection is on the lateral wall of a section of thick bamboo hub front end, and the end plate is located the end disc, and the round that the end disc front surface is close to a section of thick bamboo hub is equipped with the wear-resisting way of build-up welding, the utility model discloses a set up the end plate and protect helical drum's terminal surface, through setting up the tooth's socket, can install the kangfang tooth in the tooth's socket and assist and break rock for the end plate does not contact with the coal wall very first time, through setting up the wear-resisting way of build-up welding, prevents that end disc and coal wall direct contact from producing the friction, reduces the wearing and tearing condition that the terminal surface of end disc and end plate received, thereby plays the effect of protecting helical drum.

Description

Coal mining machine spiral drum with wear-resistant protection structure

Technical Field

The utility model relates to a colliery mechanical equipment technical field, concretely relates to coal-winning machine spiral cylinder with wear-resisting protective structure.

Background

In coal fields, except for the coal seam at the junction of northern Shaanxi, inner Mongolia and Ningdong, the coal seam with large mining height in other areas is higher, and under the condition of the coal seam with low mining height, generally, coal mining in coal mine production needs to pass through rocks, so that the coal mine mostly requires that a roller has stronger rock breaking capacity, and the roller of a coal mining machine used for coal mining generally has the abrasion of cutting teeth, a cutting tooth seat, an end disc and other parts, which affect the actual effect of the roller, and is one of important indexes affecting the economic technology of coal mining production. The drum end disc is closest to the coal wall and is subjected to the largest axial and radial resistance, and the alternation of the coal wall and rock strata cannot be found in time, so that destructive damage cannot be avoided under the condition of large-feed impact load. There is therefore a need for a shearer helical drum with a wear resistant protective structure to solve this problem

Disclosure of Invention

In order to solve the technical problem, the main object of the present invention is to provide a helical drum of coal mining machine with wear-resistant protection structure.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A wear-resistant protection structure of a spiral drum of a coal mining machine comprises the spiral drum, wherein the spiral drum comprises a drum hub and an end disc, the drum hub is horizontally placed, one end with a base is forward, a circular end plate is fixedly connected to the front end of the drum hub, the end plate is vertically arranged, and a plurality of tooth grooves are formed in the end plate around the circumference of the circle center; the end disc is the annular, the vertical cover of end disc is established and fixed connection is in on the lateral wall of a section of thick bamboo hub front end, the end plate is located in the end disc, the end disc front surface is close to a round of section of thick bamboo hub is equipped with the wear-resistant way of build-up welding.

Further, the surfacing wear-resistant channel is arranged as a broken line.

Furthermore, twelve tooth grooves are formed, and convex rings are protruded on the peripheral sides of each tooth groove.

Further, each convex ring is coated with a wear-resistant layer.

Furthermore, an annular wear-resisting plate is fixedly connected to the peripheral side of the front surface of the end disc.

Furthermore, a plurality of wear-resistant convex ribs are uniformly distributed on the wear-resistant plate.

Furthermore, the wear-resistant convex rib is in a double-fold line shape, and the two fold lines are arranged in a staggered mode.

The utility model discloses technical scheme protects the terminal surface of helical cylinder through setting up the end plate, through setting up the tooth's socket, can install the kebang tooth in the tooth's socket and assist and break rock for the end plate need not contact with the coal wall very first time, through setting up build-up welding wear-resisting way, prevents that end plate and coal wall direct contact from producing the friction, reduces the broken rock in-process of coal mining, the wearing and tearing condition that the end plate received with the terminal surface of end plate, thereby plays the effect of protecting threaded cylinder.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

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

fig. 2 is a side view of the structure of the components of the present invention.

In the above figures: 1. a helical drum; 11. a barrel hub; 12. an end disc; 2. an end plate; 3. a tooth socket; 4. surfacing of wear-resistant channels; 5. a convex ring; 6. a wear layer; 7. a wear plate; 8. wear-resistant convex ribs.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.

Referring to fig. 1 and 2, a coal mining machine helical drum with a wear-resistant protection structure comprises a helical drum 1, wherein the helical drum 1 comprises a drum hub 11 and an end disc 12, the drum hub 11 is horizontally arranged, one end with a base is forward, a circular end plate 2 is fixedly connected to the front end of the drum hub 11, the end plate 2 is vertically arranged, and a plurality of tooth grooves 3 are formed in the end plate 2 around the circumference of the circle center; end disc 12 is the annular, and end disc 12 is vertical to be established and fixed connection on the lateral wall of a section of thick bamboo hub 11 front end, and end plate 2 is located end disc 12, and the round that end disc 12 front surface is close to a section of thick bamboo hub 11 is equipped with build-up welding wear-resisting way 4.

In the above embodiment, protect spiral drum 1's terminal surface through setting up end plate 2, through setting up tooth's socket 3, can install the kebang tooth in tooth's socket 3 and assist and break the rock, make end plate 2 need not the very first time and coal wall contact, through setting up build-up welding wear-resisting way 4, prevent end disc 12 and coal wall direct contact production friction, reduce the broken rock in-process of coal mining, the wearing and tearing condition that end disc 12 and end plate 2's terminal surface received, thereby play the effect of protecting the screw drum.

Further, referring to fig. 1 and 2, the bead weld wear-resistant channel 4 is provided as a broken line.

In the above embodiment, the build-up welding wear-resistant channels 4 can be densely formed, and the protection effect on the end disc 12 and the end plate 2 is better.

Further, referring to fig. 1 and 2, twelve tooth grooves 3 are provided, and a convex ring 5 is protruded on the circumferential side of each tooth groove 3.

In the above embodiment, be provided with twelve through tooth's socket 3, when can improving broken rock efficiency, protect end plate 2 to can also play the effect of saving the cost, through setting up protruding circle 5, not only can protect the division of nation's teeth of installing in tooth's socket 3, also can protect end plate 2 on the helical drum 1, prevent that end plate 2 wearing and tearing are serious.

Further, referring to fig. 1 and 2, each bead 5 is coated with a wear resistant layer 6.

In the above embodiment, the wear-resistant layer 6 is coated, so that the wear resistance of the convex ring 5 can be increased, and the service life of the convex ring 5 can be prolonged.

Further, referring to fig. 1 and 2, an annular wear plate 7 is fixedly connected to the front surface peripheral side of the end disc 12.

In the above embodiment, the wear plate 7 is arranged to resist the friction between the end disc 12 and the coal seam, so as to reduce the wear of the end face of the end disc 12.

Further, referring to fig. 1 and fig. 2, a plurality of wear-resistant ribs 8 are uniformly distributed on the wear-resistant plate 7.

In the above embodiment, by providing the wear-resistant ribs 8, the wear-resistant effect is enhanced, and the service life of the wear-resistant plate 7 can be prolonged.

Further, referring to fig. 1 and 2, the wear-resistant ribs 8 are in the shape of double-fold lines, and the two fold lines are arranged in a staggered manner.

In the above embodiment, the wear-resistant ribs 8 can be formed more densely, so that the service life of the wear-resistant plate 7 is further prolonged, and the wear-resistant effect on the end face of the end disc 12 is also improved.

Although the invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that certain changes and modifications can be made therein without departing from the scope of the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a coal-winning machine spiral drum with wear-resisting protective structure which characterized in that: the spiral drum comprises a spiral drum (1), wherein the spiral drum (1) comprises a drum hub (11) and an end disc (12), the drum hub (11) is horizontally placed, one end with a base is arranged forwards, a circular end plate (2) is fixedly connected to the front end of the drum hub (11), the end plate (2) is vertically arranged, and a plurality of tooth grooves (3) are formed in the end plate (2) around the circumference of the circle center; end disc (12) are the annular, end disc (12) vertical cover is established and fixed connection is in on the lateral wall of a section of thick bamboo hub (11) front end, end plate (2) are located in end disc (12), end disc (12) front surface is close to the round of a section of thick bamboo hub (11) is equipped with build-up welding wear-resisting way (4).

2. The shearer screw drum with a wear-resistant protection structure according to claim 1, characterized in that the bead weld wear resistant channel (4) is provided as a broken line.

3. The shearer screw drum with a wear-resistant protection structure according to claim 1, characterized in that twelve tooth grooves (3) are provided, and each tooth groove (3) is protruded with a convex ring (5) on the periphery.

4. The shearer screw drum with wear-resistant protection according to claim 3, characterized in that each bead (5) is coated with a wear-resistant layer (6).

5. The shearer screw drum with a wear-resistant protection structure according to claim 1, characterized in that an annular wear-resistant plate (7) is fixedly connected to the periphery of the front surface of the end disc (12).

6. The shearer screw drum with the wear-resistant protection structure as claimed in claim 5, characterized in that the wear-resistant plates (7) are provided with a plurality of wear-resistant ribs (8) uniformly.

7. The shearer screw drum with a wear-resistant protection structure according to claim 6, characterized in that the wear-resistant ribs (8) are double-folded lines, and the two folding lines are staggered with each other.