Rocker arm of coal mining machine

Abstract

The utility model relates to the technical field of rocker arms of coal mining machines, and discloses a rocker arm of a coal mining machine, which comprises a case with a support structure fixedly mounted at the top, an electric control box fixedly mounted in the middle of the case and used for control, and a traction part fixedly mounted on one side of the case and used for adjustment. A rocker arm used for rotation is fixedly installed on one side of the traction part, a speed reducer used for speed regulation is fixedly installed on one side of the rocker arm, and a roller used for cutting is fixedly installed on one side of the rocker arm. According to the rocker arm of the coal mining machine, through cooperative arrangement of the supporting structure, the machine case, the electric cabinet and the traction part, the rocker arm can be more stable and reliable in use, the supporting structure fixes and supports the machine case, the stability of the bottom of the rocker arm can be guaranteed, the influence of shaking of the rocker arm on coal mining work is avoided, and the electric cabinet can control the traction part; therefore, the height of the device is adjusted, coal mining can be carried out better, and the stability and reliability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining machine rocker arms, in particular to a coal mining machine rocker arm. Background Art

[0002] The geological conditions of thin coal seams in my country are complex, and the working face faults and interlayers of gangue are intricate. In order to make thin coal seam coal mining machines highly reliable, thin coal seam coal mining machines are increasingly developing towards high-power thin coal seam coal mining machines. Thin coal seam coal mining machines have short bodies and small spaces. As the transmitted power and torque increase, the arrangement of the transmission system becomes difficult. When the diameter of the supporting roller of the thin coal seam coal mining machine is small, when the power increases, it often cannot meet the requirements of the undercover volume at the same time. Therefore, a coal mining machine rocker arm is needed.

[0003] Chinese patent publication number CN103225508B discloses a coal mining machine rocker arm, which includes at least a two-axis group, a three-axis group, a first group of double gears and a second group of double gears, wherein the first group of double gears is connected to the two-axis group, and the second group of double gears is connected to the three-axis group, and also includes a speed regulating mechanism, which can include at least a sliding gear, a pull rod, a handle and a limit device, the sliding gear is connected to the pull rod and can slide on the two-axis group, the pull rod is connected to the handle, and the handle is fixed at different positions of the limit device by stretching. Using the coal mining machine rocker arm of the present invention, the speed of the rocker arm drum can be changed by operating the speed regulating mechanism, the operation is convenient and quick, and the practicality is strong.

[0004] However, the utility model has the following problems when actually used:

[0005] 1. The utility model does not have a structure that can regulate the operation of the device when it is actually used. There is a situation where the device is not convenient for coal mining according to the actual situation when it is used, and the practicality is not strong;

[0006] 2. The utility model does not have a structure to prevent the cut coal from splashing around during actual use, which makes it inconvenient to collect the coal during use and has low reliability. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a coal mining machine rocker arm, which solves the problems in the prior art:

[0009] 1. The utility model does not have a structure that can regulate the operation of the device when it is actually used. There is a situation where the device is not convenient for coal mining according to the actual situation when it is used, and the practicality is not strong;

[0010] 2. The utility model does not have a structure to prevent the cut coal from splashing around during actual use, which makes it inconvenient to collect the coal during use and has a problem of low reliability.

[0011] (II) Technical solution

[0012] To achieve the above objectives, the utility model is implemented through the following technical solutions: a coal mining machine rocker arm, including a chassis with a supporting structure fixedly installed on the top, an electric control box for control fixedly installed in the middle of the chassis, a traction part for adjustment fixedly installed on one side of the chassis, a rocker arm for rotation fixedly installed on one side of the traction part, a reducer for speed regulation fixedly installed on one side of the rocker arm, and a roller for cutting fixedly installed on one side of the rocker arm.

[0013] Optionally, a clamping block for positioning is fixedly mounted on the top of the support structure, and the top of the support structure is fixedly mounted to the bottom of the chassis via the clamping block.

[0014] Optionally, a top cover for protection is fixedly installed on the top of the chassis, and a height adjustment cylinder for adjustment is fixedly installed on the middle of the chassis.

[0015] Optionally, a display screen for presenting data is fixedly installed in the middle of the electric control box, and a rotary handle for operation is fixedly installed on one side of the electric control box.

[0016] Optionally, a hydraulic rod for extension and retraction is fixedly mounted on one side of the traction part, and a cylindrical pin for fixing is fixedly mounted on one side of the traction part.

[0017] Optionally, a motor for providing power is fixedly mounted in the middle of the rocker arm, and a transmission shaft for driving is fixedly mounted on one side of the motor.

[0018] Optionally, a spur gear for rotation is fixedly mounted on one side of the reducer, and a spiral rod for clamping is fixedly mounted on one side of the spur gear.

[0019] Optionally, gear teeth for cutting are fixedly mounted on one side of the drum, and a coal baffle plate for protection is fixedly mounted on one side of the drum.

[0020] (III) Beneficial effects

[0021] The utility model provides a rocker arm for a coal mining machine, which has the following beneficial effects:

[0022] 1. The rocker arm of the coal mining machine can make the device more stable and reliable during use through the coordinated arrangement of the supporting structure, the chassis, the electric control box and the traction part. The supporting structure can fix the chassis to ensure the stability of the bottom of the device and avoid the impact of the shaking of the device on the coal mining work. The electric control box can control the traction part to adjust the height of the device, so as to better carry out coal mining, thereby increasing the stability and reliability of the device.

[0023] 2. The rocker arm of the coal mining machine, through the coordinated setting of the rocker arm, the reducer and the drum, can make the device more convenient and practical when in use. The rocker arm is fixedly installed on the reducer, and the reducer can be used to adjust the running speed of the device to facilitate accurate coal mining. The rocker arm is fixedly installed on the drum, and the drum can be used to cut the coal mine, so that the coal blocks can be smoothly collected, which increases the convenience and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the electric control box of the utility model;

[0026] Figure 3 This is a schematic diagram of the roller structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the transmission shaft structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the roller frame of the utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the skateboard of the utility model.

[0030] In the figure: 1. supporting structure; 101. roller frame; 102. slide plate; 2. chassis; 3. electric control box; 4. traction unit; 5. rocker arm; 6. reducer; 7. roller; 8. clamping block; 9. top cover; 10. height adjustment cylinder; 11. display screen; 12. rotary handle; 13. hydraulic rod; 14. cylindrical pin; 15. motor; 16. transmission shaft; 17. spur gear; 18. screw rod; 19. gear teeth; 20. coal baffle. DETAILED DESCRIPTION

[0031] 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. Based on the embodiments in 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.

[0032] See also Figure 1 , Figure 2 , Figure 5 and Figure 6 , the utility model provides a technical solution: a coal mining machine rocker arm, in order to make the device more stable during use and ensure the stability of the bottom of the device, is provided with a support structure 1 and a chassis 2;

[0033] It includes a chassis 2 with a supporting structure 1 fixedly installed on the top, a clamping block 8 for positioning fixedly installed on the top of the supporting structure 1, the top of the supporting structure 1 is fixedly installed with the bottom of the chassis 2 through the clamping block 8, a top cover 9 for protection fixedly installed on the top of the chassis 2, and a height-adjusting cylinder 10 for adjustment fixedly installed in the middle of the chassis 2. Therefore, when in use, the supporting structure 1 fixes the clamping block 8 to reinforce the bottom of the device and ensure the stability of the bottom of the device. The chassis 2 fixes the top cover 9 to protect the inside of the device. The height-adjusting cylinder 10 can adjust the height of the device to facilitate coal mining work and increase the stability of the device.

[0034] See also Figure 1 and Figure 2 In order to make the device more convenient and reliable when in use, the operation of the device can be controlled, and an electric control box 3 and a traction unit 4 are provided;

[0035] An electric control box 3 for control is fixedly installed in the middle of the chassis 2, a traction part 4 for adjustment is fixedly installed on one side of the chassis 2, a display screen 11 for presenting data is fixedly installed in the middle of the electric control box 3, a rotary handle 12 for manipulation is fixedly installed on one side of the electric control box 3, a hydraulic rod 13 for extension and retraction is fixedly installed on one side of the traction part 4, and a cylindrical pin 14 for fixing is fixedly installed on one side of the traction part 4. Therefore, when in use, the display screen 11 on one side of the electric control box 3 can display the operating status of the device for better manipulation, and the traction part 4 can use the hydraulic rod 13 to adjust the position of the rocker arm 5, which can make the device more convenient to use and increase the reliability and convenience of the device.

[0036] See also Figure 3 and Figure 4 In order to make the device more practical during use, the running speed of the device can be adjusted to better complete the coal mining work, and a rocker arm 5, a reducer 6 and a roller 7 are provided;

[0037] A rocker arm 5 for rotation is fixedly installed on one side of the traction part 4, a reducer 6 for speed regulation is fixedly installed on one side of the rocker arm 5, a roller 7 for cutting is fixedly installed on one side of the rocker arm 5, a motor 15 for providing power is fixedly installed in the middle of the rocker arm 5, a transmission shaft 16 for driving is fixedly installed on one side of the motor 15, a spur gear 17 for rotation is fixedly installed on one side of the reducer 6, a spiral rod 18 for clamping is fixedly installed on one side of the spur gear 17, a gear tooth 19 for cutting is fixedly installed on one side of the roller 7, and a coal baffle plate 20 for protection is fixedly installed on one side of the roller 7. Therefore, when in use, the rocker arm 5 is fixedly installed on the motor 15, which can drive the transmission shaft 16 to rotate, thereby driving the reducer 6 to rotate, and the speed of the device can be adjusted. The spur gear 17 is fixedly installed on the spiral rod 18, which can drive the roller 7 to rotate, thereby using the gear teeth 19 for cutting, and the coal baffle plate 20 can prevent coal blocks from splashing around, thereby ensuring the efficiency and speed of coal mining and increasing the practicality of the device.

[0038] Embodiment 1: The support structure 1 includes a clamping block 8, and the support structure 1 fixes and supports the clamping block 8, which can ensure the stability of the bottom of the device and increase the stability of the device;

[0039] Embodiment 2: The support structure 1 includes a roller frame 101, which supports the clamping block 8. The roller frame 101 can be used to fix and install the clamping block 8 and drive the device to move so as to facilitate coal mining, thereby increasing the convenience of the device.

[0040] Embodiment 3: The supporting structure 1 includes a slide plate 102, which provides fixed support for the clamping block 8. The slide plate 102 can be used to drive the device to slide on the slide rail, thereby avoiding the impact of shaking on the use of the device and increasing the reliability of the device.

[0041] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0042] In the utility model, the working steps of the device are as follows:

[0043] First, the chassis 2 is fixedly installed on the top of the supporting structure 1. Secondly, the electric control box 3 is fixedly installed in the middle of the chassis 2. Then, the traction part 4 is fixedly installed on one side of the chassis 2. Then, the rocker arm 5 is fixedly installed on one side of the traction part 4. Finally, the reducer 6 and the roller 7 are fixedly installed in the middle and one side of the rocker arm 5 respectively. When in use, the electric control box 3 and the reducer 6 can be used to regulate the operation of the device to facilitate coal mining. The overall device has a simple structure and is easy to install and use.

[0044] 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, comprising a housing (2) with a support structure (1) fixedly mounted on the top, characterized in that: An electric control box (3) for control is fixedly mounted in the middle of the chassis (2), a traction part (4) for adjustment is fixedly mounted on one side of the chassis (2), a rocker arm (5) for rotation is fixedly mounted on one side of the traction part (4), a speed reducer (6) for speed regulation is fixedly mounted on one side of the rocker arm (5), and a roller (7) for cutting is fixedly mounted on one side of the rocker arm (5).

2. A rocker arm for a coal mining machine according to claim 1, characterized in that: A clamping block (8) for positioning is fixedly mounted on the top of the support structure (1), and the top of the support structure (1) is fixedly mounted on the bottom of the chassis (2) via the clamping block (8).

3. A coal mining machine rocker arm according to claim 1, characterized in that: A top cover (9) for protection is fixedly installed on the top of the chassis (2), and a height adjustment cylinder (10) for adjustment is fixedly installed in the middle of the chassis (2).

4. A coal mining machine rocker arm according to claim 1, characterized in that: A display screen (11) for presenting data is fixedly mounted in the middle of the electric control box (3), and a rotary handle (12) for operation is fixedly mounted on one side of the electric control box (3).

5. A coal mining machine rocker arm according to claim 1, characterized in that: A hydraulic rod (13) for extension and retraction is fixedly mounted on one side of the traction part (4), and a cylindrical pin (14) for fixing is fixedly mounted on one side of the traction part (4).

6. A coal mining machine rocker arm according to claim 1, characterized in that: A motor (15) for providing power is fixedly mounted in the middle of the rocker arm (5), and a transmission shaft (16) for driving is fixedly mounted on one side of the motor (15).

7. A coal mining machine rocker arm according to claim 1, characterized in that: A spur gear (17) for rotation is fixedly mounted on one side of the reducer (6), and a spiral rod (18) for clamping is fixedly mounted on one side of the spur gear (17).

8. The rocker arm of a coal mining machine according to claim 1, characterized in that: A gear tooth (19) for cutting is fixedly mounted on one side of the drum (7), and a coal blocking plate (20) for protection is fixedly mounted on one side of the drum (7).

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