Coal briquette falling protection device for coal mining machine

Abstract

The utility model discloses a coal briquette falling protection device for a coal mining machine, which comprises a bottom plate arranged on the side of the coal mining machine, and further comprises a blocking and protecting assembly, the blocking and protecting assembly comprises a rotating plate, the side of the top of the bottom plate is hinged with the side of the bottom of the rotating plate, and connecting parts are symmetrically arranged at the top of the bottom plate; the supporting assembly comprises inclined supporting rods symmetrically arranged at the top of the bottom plate, fixing seats are symmetrically arranged at the top of the bottom plate, mortise lock parts used for limiting the inclined supporting rods are connected to the side edges of the fixing seats in a penetrating and inserting mode, and rotating parts used for fixing the other ends of the inclined supporting rods are symmetrically arranged on the side edges of the rotating plate; the bottom plate is arranged on the side of the coal mining machine, the rotating plate is hinged to the side of the bottom plate, and the inclined supporting rod and the fixing base are fixed through the mortise lock part on the top of the bottom plate, so that the inclined supporting rod hinged to the rotating plate fixes the rotating angle of the rotating plate. And further, the falling coal briquettes are prevented from influencing the operation of a bracket worker on the bracket.

Description

Technical Field

[0001] This utility model relates to the field of coal mining equipment, and in particular to a coal block falling protection device for coal mining machines. Background Technology

[0002] In coal mining operations, the coal mining machine is an important piece of machinery used to extract coal from underground mines. Because the working environment of the coal mining machine is usually harsh, as it constantly moves and cuts coal, support workers need to adjust the support as needed. During the cutting and transportation of coal, some pieces fall from the machine body to the front of the coal mining support. These falling coal pieces can affect the safety of the support workers near the support, and consequently, affect their operation of the support. Therefore, to solve this problem, this utility model proposes a coal falling protection device for coal mining machines. Utility Model Content

[0003] The purpose of this utility model is to provide a coal block falling protection device for coal mining machines to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a coal block falling protection device for a coal mining machine, comprising a base plate disposed on the side of the coal mining machine, and further comprising:

[0005] A protective assembly for preventing coal blocks from falling, the protective assembly includes a rotating plate, the top side of the bottom plate is hinged to the bottom side of the rotating plate, and the top of the bottom plate is symmetrically provided with connecting parts for connecting to a coal mining machine.

[0006] A support assembly is provided for fixing the rotation angle of the rotating plate. The support assembly includes diagonal braces symmetrically arranged on the top of the base plate. A fixing seat for inserting and limiting one end of the diagonal brace is symmetrically arranged on the top of the base plate. A locking part for limiting the diagonal brace is inserted and connected to the side of the fixing seat. A rotating part for fixing the other end of the diagonal brace is symmetrically arranged on the side of the rotating plate.

[0007] Preferably, the locking part includes a sleeve disposed on the side of the fixed seat, a plug rod is inserted through the middle of the sleeve, the end of the plug rod is sequentially inserted through the side of the fixed seat and the side of the diagonal brace, and a spring-loaded element for preventing the plug rod from loosening is disposed on the outer side of the plug rod and in the inner cavity of the sleeve.

[0008] Preferably, the spring-loaded component includes a pressure ring sleeved on the outside of the insert rod and a compression spring, wherein the pressure ring is located on the side of the compression spring near the diagonal brace.

[0009] Preferably, a handle is fixedly connected to the end of the insertion rod away from the diagonal brace, and the handle is used to remove the insertion rod.

[0010] Preferably, the rotating part includes a rotating seat disposed on the side of the rotating plate, and the inner wall of the rotating seat is hinged to the other end of the diagonal brace.

[0011] Preferably, the rotating plate has a hidden groove on its side, which is used to store the diagonal brace.

[0012] Preferably, the connecting part includes a plurality of fixing bolts, the bottom ends of which are inserted and connected to the top of the base plate and the top of the coal mining machine.

[0013] Preferably, the rotating plate has symmetrical gripping holes on its sides, which are used for gripping and rotating the rotating plate.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] This utility model features a base plate on the side of a coal mining machine, with a rotating plate hinged to the side of the base plate. A locking part at the top of the base plate fixes a diagonal brace and a fixing seat, thereby fixing the rotation angle of the rotating plate by the diagonal brace hinged to the rotating plate. This design prevents coal blocks from falling from the coal mining machine body to the front of the coal mining support by the rotating plate, thus avoiding the falling coal blocks from affecting the operation of the support by the support workers. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure at the connection point between the entire utility model and the coal mining machine.

[0017] Figure 2 This is one of the overall structural schematic diagrams of this utility model.

[0018] Figure 3 The second schematic diagram shows the overall structure of this utility model.

[0019] Figure 4 This is a cross-sectional view of the connection between the locking part and the diagonal brace of this utility model.

[0020] In the diagram: 1. Base plate; 2. Rotating plate; 201. Hidden groove; 202. Grip hole; 3. Support assembly; 301. Diagonal brace; 302. Rotating seat; 303. Fixed seat; 4. Locking part; 401. Sleeve; 402. Insert rod; 403. Pressure ring; 404. Compression spring; 405. Handle; 5. Fixing bolt. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model provides, for example Figure 1-4 The coal block falling protection device for a coal mining machine shown includes a base plate 1 installed on the side of the coal mining machine, and also includes a guard component and a support component 3;

[0023] It should be noted that the guard assembly is used to prevent coal blocks from falling. The guard assembly includes a rotating plate 2, the top side of the bottom plate 1 is hinged to the bottom side of the rotating plate 2, the top of the bottom plate 1 is symmetrically provided with connecting parts for connecting the coal mining machine, and the support assembly 3 is used to fix the rotation angle of the rotating plate 2.

[0024] Specifically, the connecting part includes multiple fixing bolts 5. The bottom end of the fixing bolts 5 is inserted and connected to the top of the base plate 1 and the top of the coal mining machine. The top of the coal mining machine is provided with a threaded groove for the fixing bolts 5 to pass through. The top of the base plate 1 is provided with a through hole for the fixing bolts 5 to pass through. The base plate 1 and the rotating plate 2 are hinged together by a hinge.

[0025] It should be noted that the support assembly 3 includes diagonal bracing rods 301 symmetrically arranged on the top of the base plate 1. The top of the base plate 1 is symmetrically provided with a fixing seat 303 for inserting and limiting one end of the diagonal bracing rod 301. The side of the fixing seat 303 is connected with a locking part 4 for limiting the diagonal bracing rod 301. The side of the rotating plate 2 is symmetrically provided with a rotating part for fixing the other end of the diagonal bracing rod 301.

[0026] Specifically, the fixed seat 303 is welded to the base plate 1, and the rotating part includes a rotating seat 302 disposed on the side of the rotating plate 2. The inner wall of the rotating seat 302 is hinged to the other end of the diagonal brace 301.

[0027] It should be noted that the rotating seat 302 is welded and fixed to the rotating plate 2. The side of the rotating plate 2 is provided with a hidden groove 201. After the diagonal brace 301 is separated from the fixed seat 303, the hidden groove 201 is used to store the diagonal brace 301. The rotating seat 302 and the diagonal brace 301 are connected by a pin to limit the rotation at the hinge.

[0028] Specifically, the locking part 4 includes a sleeve 401 disposed on the side of the fixed base 303. A rod 402 is inserted through the middle of the sleeve 401. The end of the rod 402 is sequentially inserted through the side of the fixed base 303 and the side of the diagonal brace 301. A spring-loaded element for preventing the rod 402 from loosening is disposed on the outside of the rod 402 and in the inner cavity of the sleeve 401.

[0029] It should be noted that the sleeve 401 and the fixed seat 303 are fixed by welding. The side of the diagonal brace 301 is provided with a through round hole and the inner wall is provided with an enlarged curved surface for positioning and inserting the insertion rod 402. The end of the insertion rod 402 away from the diagonal brace 301 is welded with a handle 405, which is used for pulling out the insertion rod 402.

[0030] Specifically, the spring-loaded component includes a pressure ring 403 sleeved on the outside of the insert rod 402 and a compression spring 404, with the pressure ring 403 located on the side of the compression spring 404 near the diagonal brace 301;

[0031] It should be noted that the connection between the pressure ring 403 and the insertion rod 402 is fixed by welding, and the rotating plate 2 is provided with symmetrical gripping holes 202 on its side. The gripping holes 202 are used for gripping and rotating the rotating plate 2.

[0032] In actual use, a base plate 1 is set on the side of the coal mining machine, and a rotating plate 2 is hinged to the side of the base plate 1. The locking part 4 at the top of the base plate 1 fixes the diagonal brace 301 and the fixed seat 303, so that the diagonal brace 301 hinged to the rotating plate 2 fixes the rotation angle of the rotating plate 2. The user can pull the locking part 402 to disengage the locking part 4 from the diagonal brace 301, so that the base plate 1 and the rotating plate 2 can be folded. This design prevents coal blocks from falling from the coal mining machine body to the front of the coal mining support by fixing the rotating plate 2, thereby avoiding the falling coal blocks from affecting the operation of the support by the support operator.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A coal block falling protection device for a coal mining machine, comprising a base plate (1) disposed on the side of the coal mining machine, characterized in that, Also includes: A protective assembly is used to prevent coal blocks from falling. The protective assembly includes a rotating plate (2). The top side of the bottom plate (1) is hinged to the bottom side of the rotating plate (2). The top of the bottom plate (1) is symmetrically provided with connecting parts for connecting the coal mining machine. Support assembly (3) is used to fix the rotation angle of the rotating plate (2). The support assembly (3) includes diagonal bracing rods (301) symmetrically arranged on the top of the base plate (1). The top of the base plate (1) is symmetrically provided with a fixing seat (303) for inserting and limiting one end of the diagonal bracing rod (301). The side of the fixing seat (303) is connected with a locking part (4) for limiting the diagonal bracing rod (301). The side of the rotating plate (2) is symmetrically provided with a rotating part for fixing the other end of the diagonal bracing rod (301).

2. The coal block falling protection device for a coal mining machine according to claim 1, characterized in that, The locking part (4) includes a sleeve (401) disposed on the side of the fixed base (303). A plug rod (402) is inserted through the middle of the sleeve (401). The end of the plug rod (402) is sequentially inserted through the side of the fixed base (303) and the side of the diagonal brace (301). A spring-loaded element for preventing the plug rod (402) from loosening is disposed on the outside of the plug rod (402) and in the inner cavity of the sleeve (401).

3. The coal block falling protection device for a coal mining machine according to claim 2, characterized in that, The spring-loaded component includes a pressure ring (403) and a compression spring (404) sleeved on the outside of the insert rod (402), with the pressure ring (403) located on the side of the compression spring (404) near the diagonal brace (301).

4. A coal block falling protection device for a coal mining machine according to claim 3, characterized in that, A handle (405) is fixedly connected to the end of the insertion rod (402) away from the diagonal brace (301), and the handle (405) is used to pull out the insertion rod (402).

5. A coal block falling protection device for a coal mining machine according to claim 1, characterized in that, The rotating part includes a rotating seat (302) disposed on the side of the rotating plate (2), and the inner wall of the rotating seat (302) is hinged to the other end of the diagonal brace (301).

6. A coal block falling protection device for a coal mining machine according to claim 5, characterized in that, The rotating plate (2) has a hidden groove (201) on its side, which is used to store the diagonal brace (301).

7. A coal block falling protection device for a coal mining machine according to claim 6, characterized in that, The connecting part includes a plurality of fixing bolts (5), the bottom ends of which are inserted and connected to the top of the base plate (1) and the top of the coal mining machine.

8. A coal block falling protection device for a coal mining machine according to claim 1, characterized in that, The rotating plate (2) has symmetrical gripping holes (202) on its sides, which are used for gripping and rotating the rotating plate (2).

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