Safety baffle of coal mining machine

Abstract

The utility model relates to the technical field of safety protection devices of coal mining machines, in particular to a safety baffle of a coal mining machine. Comprising a baffle frame, a positioning hole is formed in the top of the baffle frame, a damping hinge is arranged at the bottom of the baffle frame, a bottom protection plate is arranged at the other end of the damping hinge, a protection net is arranged in the baffle frame, a disassembly and assembly structure is arranged on the front face of the protection net, a clamping block is arranged on the outer side of the baffle frame, and a transmission chain is arranged on one side of the clamping block. A motor is arranged in the clamping block, and a transmission structure is arranged between the baffle frame and the bottom protection plate. According to the safety baffle of the coal mining machine, the positioning holes in the surface of the baffle frame are formed, the safety baffle is fixed to the side face of the coal mining machine, the protective net is matched with the baffle frame for use, when the protective net is damaged, the protective net is convenient to take out, and therefore the effects of being convenient to replace and saving cost are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety protection devices for coal shearers, in particular to a safety baffle for coal shearers. Background Technique

[0002] The coal shearer is one of the main equipment of the fully mechanized mining complete set of equipment. The coal shearer evolved from the coal cutter. The coal shearer is a large and complex system integrating machinery, electricity and hydraulics. The working environment is harsh. The coal shearer is one of the important equipment to realize the mechanization and modernization of coal mine production. Mechanized coal mining can reduce manual physical labor, improve safety, and achieve the goals of high output, high efficiency and low consumption.

[0003] There are the following problems:

[0004] 1. Although there are many types of coal shearers for coal mine mining on the market nowadays, most of them are only formal changes, and their functions have not changed much. When the current coal shearers for coal mine mining are in use, there is no protection device on the coal shearer. During the mining process, coal blocks may fly out and hit the coal shearer or the staff, with low safety, easy to cause accidents, and affecting work efficiency.

[0005] 2. Moreover, most of the common safety protection plates are welded on the surface of the machine body and are not detachable. In addition, the size of the protection plate is fixed. If the size is short, the effect of blocking coal blocks is not ideal. If the size is long, it is easy to interfere with the operation. Content of the Utility Model

[0006] In view of the deficiencies of the prior art, the utility model provides a safety baffle for a coal shearer, which solves the problems raised in the above background technique.

[0007] To achieve the above object, the utility model provides the following technical solution: A safety baffle for a coal shearer, including a baffle frame, a positioning hole is opened at the top of the baffle frame, a damping hinge is arranged at the bottom of the baffle frame, the other end of the damping hinge is provided with a bottom guard plate, a protection net is arranged inside the baffle frame, a disassembly and assembly structure is arranged on the front of the protection net, a clamping block is arranged outside the baffle frame, a transmission chain is arranged on one side of the clamping block, a motor is arranged inside the clamping block, and a transmission structure is arranged between the baffle frame and the bottom guard plate.

[0008] As a preferred technical solution of the utility model, the bottom guard plate is movably connected to the baffle frame through a damping hinge. The number of the damping hinges is two groups, and they are symmetrically arranged at both ends of the bottom guard plate.

[0009] As a preferred technical solution of the present utility model, the disassembly and assembly structure internally includes a bottom plate symmetrically connected to the outer wall of the baffle frame. An installation clamping plate is fixedly installed outside the bottom plate and on one side of the protective net. The number of the installation clamping plates is four groups, and they are symmetrically arranged at the corners of the protective net.

[0010] As a preferred technical solution of the present utility model, a rotating shaft I is arranged inside the installation clamping plate. The installation clamping plate is movably connected to a rotating plate through the rotating shaft I arranged thereon. The number of both the rotating shaft I and the rotating plate is four groups, and they are symmetrically arranged at the corners of the installation clamping plate.

[0011] As a preferred technical solution of the present utility model, the motor is connected to an external power supply, and the transmission chain is driven by the motor and is in transmission connection with the transmission structure.

[0012] As a preferred technical solution of the present utility model, the transmission structure internally includes transmission wheels symmetrically connected to one side of the bottom protection plate. A rotating shaft II is installed inside the transmission wheel. The transmission wheel is in transmission connection with the rotating shaft II through the transmission chain. The number of both the transmission chain, the rotating shaft II and the transmission wheel is two groups, and they are symmetrically arranged at one end of the bottom protection plate.

[0013] Compared with the prior art, the present utility model provides a safety baffle for a coal mining machine, which has the following beneficial effects:

[0014] 1. For this safety baffle for a coal mining machine, by setting the positioning holes on the surface of the baffle frame and inserting bolts with a matching size, it can be movably installed on the side of the coal mining machine, and then used in cooperation with the protective net on the outer surface to achieve the protection effect.

[0015] 2. For this safety baffle for a coal mining machine, through the detachable function of the protective net, the damaged net surface can be replaced, improving convenience. Also, the bottom protection plate at the bottom can be opened to reduce the impact force when coal blocks fall, protecting both personnel and the coal mining machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the front structure of the present utility model;

[0018] Figure 3 is of the present utility model Figure 2 enlarged schematic diagram in the circle;

[0019] Figure 4 is a schematic diagram of the side structure of the present utility model,

[0020] Figure 5 is of the present utility modelFigure 4 Enlarged schematic diagram in the circle.

[0021] In the figure: 1. Baffle frame; 2. Positioning hole; 3. Bottom guard plate; 4. Damping hinge; 5. Protection net; 6. Disassembly and assembly structure; 61. Bottom plate; 62. Rotating plate; 63. First rotating shaft; 64. Installation clamping plate; 7. Transmission chain; 8. Transmission structure; 81. Second rotating shaft; 82. Transmission wheel; 9. Block; 10. Motor. Specific implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-5 , in this implementation: A safety baffle for a shearer includes a baffle frame 1. A positioning hole 2 is opened at the top of the baffle frame 1. A damping hinge 4 is provided at the bottom of the baffle frame 1. The other end of the damping hinge 4 is provided with a bottom guard plate 3. A protection net 5 is arranged inside the baffle frame 1. A disassembly and assembly structure 6 is arranged on the front of the protection net 5. A block 9 is arranged outside the baffle frame 1. A transmission chain 7 is arranged on one side of the block 9. A motor 10 is arranged inside the block 9. A transmission structure 8 is arranged between the baffle frame 1 and the bottom guard plate 3.

[0024] In this embodiment, the bottom guard plate 3 is movably connected to the baffle frame 1 through damping hinges 4. The number of damping hinges 4 is two groups, and they are symmetrically arranged at both ends of the bottom guard plate 3, enabling the bottom guard plate 3 to be used flexibly. Inside the disassembly and assembly structure 6, there is a bottom plate 61 symmetrically connected to the outer wall of the baffle frame 1. On the outside of the bottom plate 61 and on one side of the protective net 5, there are four installation clamping plates 64 fixedly installed. The number of installation clamping plates 64 is four groups, and they are symmetrically arranged at the corners of the protective net 5. Installing them in symmetrical positions increases the protection strength. Inside the installation clamping plate 64, there is a first rotating shaft 63. The installation clamping plate 64 is movably connected to the rotating plate 62 through the first rotating shaft 63 provided on it. The number of the first rotating shaft 63 and the rotating plate 62 is four groups, and they are symmetrically arranged at the corners of the installation clamping plate 64, enabling the protective net 5 to be replaced or disassembled and washed as needed. The motor 10 is connected to an external power supply, and the transmission chain 7 is driven by the motor 10 and is in transmission connection with the transmission structure 8, which is convenient and simple to use. Inside the transmission structure 8, there are transmission wheels 82 symmetrically connected to one side of the bottom guard plate 3. Inside the transmission wheel 82, there is a second rotating shaft 81. The transmission wheel 82 is in transmission connection with the second rotating shaft 81 through the transmission chain 7. The number of the transmission chain 7, the second rotating shaft 81, and the transmission wheel 82 is two groups, and they are symmetrically arranged at one end of the bottom guard plate 3. Driven by an external power supply, the staff can control and adjust the angle, which is convenient for operation.

[0025] The working principle and usage process of the present utility model are as follows: First, place the baffle frame 1 on one side of the shearer and install it through the positioning holes 2. Install the protective net 5 together with it. Connect the external power supply, drive the motor 10 to drive the transmission chain 7, and then drive the second rotating shaft 81 in the transmission wheel 82 to lift the bottom guard plate 3 by a certain angle, increasing the buffer area for the falling coal blocks. If the protective net 5 needs to be disassembled later, just rotate the first rotating shaft 63 to drive the rotating plate 63 and then separate the installation clamping plate 64 from the protective net 5. When reinstalling, just do the opposite of the above operation. The operation is simple and convenient.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A safety baffle for a coal mining machine, comprising a baffle frame (1), characterized in that: A positioning hole (2) is provided at the top of the baffle frame (1); a damping hinge (4) is provided at the bottom of the baffle frame (1); a bottom guard plate (3) is provided at the other end of the damping hinge (4); a protective net (5) is provided inside the baffle frame (1); a disassembly structure (6) is provided on the front of the protective net (5); a clamping block (9) is provided on the outside of the baffle frame (1); a transmission chain (7) is provided on one side of the clamping block (9); a motor (10) is provided inside the clamping block (9); and a transmission structure (8) is provided between the baffle frame (1) and the bottom guard plate (3).

2. A coal mining machine safety baffle according to claim 1, characterized in that: The bottom guard plate (3) is movably connected to the baffle frame (1) via a damping hinge (4); the damping hinge (4) is provided in two groups and is symmetrically arranged at both ends of the bottom guard plate (3).

3. A coal mining machine safety baffle according to claim 1, characterized in that: The disassembly and assembly structure (6) comprises a bottom plate (61) symmetrically connected to the outer wall of the baffle frame (1), and a mounting card plate (64) is fixedly mounted outside the bottom plate (61) and located on one side of the protective net (5). The number of the mounting card plates (64) is four groups, and they are symmetrically arranged at the corners of the protective net (5).

4. A coal mining machine safety baffle according to claim 3, characterized in that: A rotating shaft (63) is arranged inside the mounting card plate (64), and the mounting card plate (64) is movably connected to the rotating plate (62) via the rotating shaft (63) arranged thereon. The number of the rotating shaft (63) and the rotating plate (62) is four sets, and they are symmetrically arranged at the corners of the mounting card plate (64).

5. A coal mining machine safety baffle according to claim 1, characterized in that: The motor (10) is connected to an external power source, and the transmission chain (7) is driven by the motor (10) and is transmission-connected to the transmission structure (8).

6. A coal mining machine safety baffle according to claim 1, characterized in that: The transmission structure (8) comprises a transmission wheel (82) symmetrically connected to one side of the bottom guard plate (3), a second rotating shaft (81) is installed inside the transmission wheel (82), and the transmission wheel (82) is connected to the second rotating shaft (81) through a transmission chain (7). The number of the transmission chain (7), the second rotating shaft (81), and the transmission wheel (82) is two sets, and they are symmetrically arranged at one end of the bottom guard plate (3).

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