Coal mining machine rocker arm capable of conveniently dissipating heat

Abstract

The utility model discloses a coal mining machine rocker arm capable of conveniently dissipating heat, which comprises a rocker arm, two ash removal mechanisms are fixedly mounted on the outer contour of the rocker arm, and the two ash removal mechanisms are respectively positioned at diagonal positions; the dust removal mechanism comprises a dust removal plate, the dust removal plate is of an L-shaped structure and is formed by splicing two straight metal profiles, an air channel is formed in the dust removal plate and fixedly connected with the connecting hose, a plurality of nozzles are fixedly installed on the side wall of the dust removal plate, the nozzles are evenly distributed on the two adjacent sides of the rocker arm, and the nozzles communicate with the air channel. According to the coal mining machine rocker arm capable of conveniently dissipating heat, dust and mortar on the outer surface of the rocker arm are blown away through the nozzles in the dust removal mechanism, and the situation that heat in the rocker arm cannot be dissipated, and internal parts are not affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining equipment, in particular to a rocker arm of a coal mining machine which can facilitate heat dissipation. Background Art

[0002] Coal mining machine is one of the important equipment to realize the mechanization and modernization of coal mine production. It can break coal from the coal body on the longwall coal mining face and load it into the working face conveyor. It is widely used in coal mining operations.

[0003] During the operation of the coal mining machine, a lot of dust falls from the coal mining working face and falls on the rocker arm of the coal mining machine. Combined with a certain amount of moisture, the dust will solidify on the rocker arm, affecting the heat dissipation of the rocker arm and being detrimental to the internal components. Utility Model Content

[0004] The utility model aims to provide a rocker arm for a coal mining machine which can dissipate heat conveniently, so as to solve the problem of the rocker arm for a coal mining machine proposed in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal mining machine rocker arm that can facilitate heat dissipation, including a rocker arm, two cleaning mechanisms are fixedly installed on the outer contour of the rocker arm, and the two cleaning mechanisms are respectively located at diagonal positions; the cleaning mechanism includes a cleaning plate, the cleaning plate is L-shaped, and is spliced ​​by two straight metal profiles, an air duct is arranged inside the cleaning plate, and the air duct and the connecting hose are fixedly connected, a plurality of nozzles are fixedly installed on the side wall of the cleaning plate, and the nozzles are evenly distributed on the adjacent two sides of the rocker arm, and the nozzles are connected to the air duct.

[0006] Preferably, the air duct includes a main air duct, the main air duct is located inside the dust cleaning plate, and the main air duct runs through a side wall, a plurality of secondary air ducts are opened on the main air duct, and the nozzle is fixedly connected to a port of the secondary air duct.

[0007] Preferably, a fixing piece is fixedly connected to the dust cleaning plate, and the fixing piece is fixedly connected by inserting a screw into a threaded hole correspondingly opened on the outer side wall of the rocker arm.

[0008] Preferably, the nozzle is arranged in an outwardly flared shape, and the nozzle and the rocker arm surface are in close contact.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] The utility model discloses a rocker arm for a coal mining machine which can dissipate heat conveniently. A dust cleaning mechanism is arranged, and dust and slurry on the surface of the rocker arm are blown away by a nozzle in the dust cleaning mechanism, so as to prevent the heat inside the rocker arm from not being able to dissipate, which is detrimental to the internal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model as a whole;

[0012] Figure 2 This is a schematic diagram of the structure of the dust cleaning mechanism in the utility model;

[0013] Figure 3 This is a schematic diagram of the nozzle structure in the utility model;

[0014] Figure 4 It is a cross-sectional view of the dust cleaning plate in the utility model.

[0015] In the figure: 1. coal mining machine rocker arm; 2. ash cleaning mechanism; 21. ash cleaning plate; 22. fixing part; 23. nozzle; 24. main air duct; 25. auxiliary air duct; 3. connecting hose. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-4 A rocker arm for a coal mining machine capable of facilitating heat dissipation comprises a rocker arm 1, two ash cleaning mechanisms 2 are fixedly mounted on the outer contour of the rocker arm 1, and the two ash cleaning mechanisms 2 are respectively located at diagonal positions;

[0018] Specifically, the cleaning mechanism 2 includes a cleaning plate 21, which is L-shaped and is formed by splicing two straight metal profiles. An air duct is arranged inside the cleaning plate 21. A plurality of nozzles 23 are fixedly installed on the side wall of the cleaning plate 21, and the nozzles 23 are evenly distributed on the adjacent two sides of the rocker arm 1, and the nozzles 23 are connected to the air duct.

[0019] Furthermore, the air duct includes a main air duct 24, which is located inside the cleaning plate 21 and passes through a side wall. A plurality of auxiliary air ducts 25 are opened on the main air duct 24. The nozzle 23 and the port of the auxiliary air duct 25 are fixedly connected. The air duct and the connecting hose 3 are fixedly connected. Air is delivered into the air duct through an air pump. The gas enters the auxiliary air duct 25 from the main air duct 24 and is ejected from the nozzle 23. The nozzle 23 is arranged in an outwardly expanding shape, and the nozzle 23 and the surface of the rocker arm 1 are in contact. The gas blown out by the nozzle 23 blows away the dust and slurry on the surface of the rocker arm 1 to prevent the internal heat of the rocker arm 1 from being unable to dissipate.

[0020] A fixing part 22 is fixedly connected to the dust cleaning plate 21 , and the fixing part 22 is fixedly connected by inserting screws into corresponding threaded holes on the outer side wall of the rocker arm 1 . This fixing method facilitates the installation and removal of the dust cleaning plate 21 .

[0021] Working principle: The utility model is a coal mining machine rocker arm that can facilitate heat dissipation. When in use, the cleaning mechanism 2 is fixed to the rocker arm 1 by screws, and air is sent into the airway through an air pump. The gas enters the secondary airway 25 from the main airway 24 and is ejected from the nozzle 23. The nozzle 23 is arranged in an outward-expanding shape, and the nozzle 23 and the surface of the rocker arm 1 are in contact. The gas blown out by the nozzle 23 blows away the dust and slurry on the surface of the rocker arm 1 to prevent the internal heat of the rocker arm 1 from being unable to dissipate.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rocker arm for a coal mining machine capable of facilitating heat dissipation, comprising a rocker arm (1), characterized in that: Two dust cleaning mechanisms (2) are fixedly mounted on the outer contour of the rocker arm (1), and the two dust cleaning mechanisms (2) are respectively located at diagonal positions; The cleaning mechanism (2) comprises a cleaning plate (21), the cleaning plate (21) being of L-shaped structure and being formed by splicing two straight metal profiles, an air duct being arranged inside the cleaning plate (21), and the air duct and the connecting hose (3) being fixedly connected, a plurality of nozzles (23) being fixedly mounted on the side wall of the cleaning plate (21), and the nozzles (23) being evenly distributed on two adjacent sides of the rocker arm (1), and the nozzles (23) being connected to the air duct.

2. A coal mining machine rocker arm capable of facilitating heat dissipation according to claim 1, characterized in that: The air passage comprises a main air passage (24), the main air passage (24) is located inside the dust cleaning plate (21), and the main air passage (24) penetrates a side wall, a plurality of secondary air passages (25) are provided on the main air passage (24), and the nozzle (23) and the ports of the secondary air passage (25) are fixedly connected.

3. A coal mining machine rocker arm capable of facilitating heat dissipation according to claim 1, characterized in that: A fixing piece (22) is fixedly connected to the dust cleaning plate (21), and the fixing piece (22) is fixedly connected by inserting a screw into a threaded hole correspondingly provided on the outer side wall of the rocker arm (1).

4. A coal mining machine rocker arm capable of facilitating heat dissipation according to claim 1, characterized in that: The nozzle (23) is arranged in an outwardly expanded shape, and the nozzle (23) and the rocker arm (1) are in close contact with each other.

Images