Coal unloading device of coal mining machine

Abstract

The utility model provides a coal unloading device of a coal mining machine. The rotating frame is fixedly mounted in the middle of the top of the mounting seat, the rotating frame comprises a fixed block, a rotating ring block and a servo motor, and the mounting seat comprises a fixed plate, a hydraulic cylinder and a movable plate; the feeding pipe is fixedly installed in the rotating frame, and a spiral conveyor is arranged on one side of the feeding pipe. The collecting pipe is fixedly installed on one side of the outer surface of the feeding pipe, and a discharging pipe is fixedly installed on the other side of the feeding pipe. According to the coal unloading device of the coal mining machine, the collecting pipe is arranged on one side of the feeding pipe, the two coal unloading devices are spliced with each other, and the height of the feeding pipe is adjusted by moving the output shaft of the hydraulic cylinder, so that a plurality of coal unloading devices can be conveniently assembled with each other, the coal unloading device is adaptive to the conditions of mine tunnels with different lengths, and the coal unloading device is simple in structure, strong in practicability and high in practicability. And a plurality of coal unloading devices can be assembled together under the condition of a long coal unloading road, so that the practicability and the flexibility of the coal unloading device are improved.

Description

Technical Field

[0001] The utility model relates to the field of coal mining, in particular to a coal unloading device for a coal shearer. Background Art

[0002] A coal mine is an area where humans mine coal resources in coal-rich mining areas. Generally, it is divided into underground coal mines and surface coal mines. When the coal seam is far from the surface, generally, underground roadways are dug to mine coal, which is an underground coal mine. When the distance between the coal seam and the surface is very close, generally, the surface soil layer is directly stripped to mine coal, which is a surface coal mine. Most coal mines in China are underground coal mines. The scope of a coal mine includes a large area above and below the ground and related facilities. At present, the coal shearers invented in China have greatly improved the coal mining efficiency.

[0003] At present, the existing coal unloading devices on the market all have the advantages of firm structure and fast coal unloading speed. For example, a high-efficiency coal unloading device for a coal shearer with the publication number of CN209922246U transports coal through a spiral conveying cylinder and a spiral conveyor. However, the length of the spiral conveying cylinder is fixed, and the coal unloading device cannot adapt to coal mine roadways of different lengths during coal unloading, reducing the coal unloading efficiency.

[0004] Therefore, it is necessary to provide a coal unloading device for a coal shearer to solve the above technical problems. Summary of the Utility Model

[0005] The utility model provides a coal unloading device for a coal shearer, which solves the problem that coal is transported through a spiral conveying cylinder and a spiral conveyor, but the length of the spiral conveying cylinder is fixed, and the coal unloading device cannot adapt to coal mine roadways of different lengths during coal unloading, reducing the coal unloading efficiency.

[0006] To solve the above technical problems, a coal unloading device for a coal shearer provided by the utility model includes: a mounting base;

[0007] a rotating frame, the rotating frame is fixedly installed in the middle of the top of the mounting base, the rotating frame includes a fixed block, a rotating ring block and a servo motor, and the mounting base includes a fixing plate, a hydraulic cylinder and a moving plate;

[0008] a feed pipe, the feed pipe is fixedly installed inside the rotating frame, and a spiral conveyor is arranged on one side of the feed pipe;

[0009] a collecting pipe, the collecting pipe is fixedly installed on one side of the outer surface of the feed pipe, and a blanking pipe is fixedly installed on the other side of the feed pipe.

[0010] Preferably, the fixed block is fixedly installed in the middle of the top of the mounting base, the servo motor is fixedly installed on one side of the fixed block, and the rotating ring block is fixedly installed at the end of the output shaft of the servo motor.

[0011] Preferably, the moving plate is fixedly installed at the bottom of the fixed block, the two hydraulic cylinders are respectively fixedly installed at the bottom of the moving plate, and the fixed plate is fixedly installed at the bottom of the hydraulic cylinder.

[0012] Preferably, universal wheels are arranged around the bottom of the fixed plate.

[0013] Preferably, the feed pipe is fixedly installed in the middle of the inner part of the rotating ring block.

[0014] Preferably, a hydraulic cylinder is fixedly installed in the middle of the top of the fixed plate, and the bottom end of the output shaft of the hydraulic cylinder is fixedly connected with a support plate.

[0015] Preferably, the bottom end of the output shaft of the hydraulic cylinder extends to the outer surface of the bottom of the fixed plate, and the support plate is arranged at the bottom of the fixed plate.

[0016] Compared with the related art, a coal mining machine coal unloading device provided by the present utility model has the following beneficial effects:

[0017] The present utility model provides a coal mining machine coal unloading device. By installing a collecting pipe on one side of the feed pipe, splicing two coal unloading devices with each other, and moving the output shaft of the hydraulic cylinder to adjust the height of the feed pipe, it is convenient to assemble multiple coal unloading devices with each other, so as to adapt to the conditions of mine roads with different lengths. The device has a simple structure and strong practicability. In the case of a long coal unloading path, multiple coal unloading devices can be assembled together, improving the practicability and flexibility of the coal unloading device.

[0018] The present utility model provides a coal mining machine coal unloading device. By controlling the up and down movement of the output shaft of the hydraulic cylinder through an external power source, the movement of the output shaft of the hydraulic cylinder drives the support plate to move together, and the height of the support plate can be adjusted. The support plate supports the ground at the bottom, and the universal wheels are suspended, so that the support plate supports the entire coal unloading device, maintaining the stability of the coal unloading device during operation. The support plate fits against the bottom of the fixed plate, and the universal wheels support the ground, facilitating the user to push the coal unloading device for moving and transporting. The device has a simple structure and strong practicability. The operator can adjust the storage situation of the coal unloading device according to his own needs, and it is convenient for the operator to adjust the inside of the support plate according to the installation or transportation situation of the coal unloading device, improving the practicability of the device, enhancing the convenience of transportation, and maintaining the stability during coal unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of a first embodiment of a coal mining machine coal unloading device provided by the present utility model;

[0020] Figure 2 is a schematic structural diagram of a second embodiment of a coal mining machine coal unloading device provided by the present utility model.

[0021] Reference numerals in the figure: 1, mounting base; 11, fixing plate; 12, hydraulic cylinder; 13, moving plate; 2, rotating frame; 21, fixing block; 22, rotating ring block; 23, servo motor; 3, feed pipe; 4, discharge pipe; 5, screw conveyor; 6, collecting pipe; 7, universal wheel; 8, hydraulic cylinder; 9, support plate. Detailed implementation mode

[0022] The present utility model will be further described below in conjunction with the accompanying drawings and the implementation mode.

[0023] Please refer to Figure 1 , wherein, Figure 1 is a schematic structural diagram of the first embodiment of a coal unloading device for a coal shearer provided by the present utility model. A coal unloading device for a coal shearer includes: a mounting base 1;

[0024] A rotating frame 2, the rotating frame 2 is fixedly installed in the middle of the top of the mounting base 1, the rotating frame 2 includes a fixing block 21, a rotating ring block 22 and a servo motor 23, and the mounting base 1 includes a fixing plate 11, a hydraulic cylinder 12 and a moving plate 13;

[0025] A feed pipe 3, the feed pipe 3 is fixedly installed inside the rotating frame 2, and a screw conveyor 5 is arranged on one side of the feed pipe 3;

[0026] A collecting pipe 6, the collecting pipe 6 is fixedly installed on one side of the outer surface of the feed pipe 3, and a discharge pipe 4 is fixedly installed on the other side of the feed pipe 3.

[0027] The fixing block 21 is fixedly installed in the middle of the top of the mounting base 1, the servo motor 23 is fixedly installed on one side of the fixing block 21, and the rotating ring block 22 is fixedly installed at the end of the output shaft of the servo motor 23.

[0028] The moving plate 13 is fixedly installed at the bottom of the fixing block 21, two hydraulic cylinders 12 are respectively fixedly installed at the bottom of the moving plate 13, and the fixing plate 11 is fixedly installed at the bottom of the hydraulic cylinder 12.

[0029] Universal wheels 7 are arranged around the bottom of the fixing plate 11.

[0030] The feed pipe 3 is fixedly installed in the middle of the inside of the rotating ring block 22.

[0031] The inside of the feed pipe 3 is hollow, the auger of the screw conveyor 5 is installed inside the feed pipe 3, and the motor of the screw conveyor 5 is installed on the right side of the outer surface of the feed pipe 3, so that the auger rotates to convey coal to the discharge pipe 4.

[0032] When two coal unloading devices are spliced, the height is adjusted through the output shaft of the hydraulic cylinder 12 so that the coal unloading devices are distributed vertically.

[0033] The working principle of a coal mining machine coal unloading device provided by the present utility model is as follows:

[0034] During operation, first, the output shaft of the hydraulic cylinder 12 is controlled by an external power source to move and adjust the height of the feed pipe 3, so that the feed pipes 3 of the two coal unloading devices are distributed vertically, and the collection pipe 6 of one coal unloading device is installed at the bottom of the blanking pipe 4 of the other coal unloading device.

[0035] The motor of the screw conveyor is started by an external power source, and the coal in the collection pipe 6 is transported by the screw conveyor device inside the feed pipe 3, falls from the blanking pipe 4 and is transported into the interior of the other coal unloading device for continuous transportation.

[0036] Compared with the related art, a coal mining machine coal unloading device provided by the present utility model has the following beneficial effects:

[0037] The present utility model provides a coal mining machine coal unloading device. By installing a collection pipe 6 on one side of the feed pipe 3 and splicing two coal unloading devices together, the output shaft of the hydraulic cylinder 12 moves to adjust the height of the feed pipe 3, which facilitates the mutual assembly of multiple coal unloading devices, so as to adapt to the conditions of mine roads with different lengths. The device has a simple structure and strong practicability. In the case of a long coal unloading path, multiple coal unloading devices can be assembled together, improving the practicability and flexibility of the coal unloading device.

[0038] Second Embodiment

[0039] Please refer to Figure 2 , based on a coal mining machine coal unloading device provided in the first embodiment of the present application, the second embodiment of the present application proposes another coal mining machine coal unloading device. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0040] Specifically, the difference of a coal mining machine coal unloading device provided in the second embodiment of the present application is that, for a coal mining machine coal unloading device, a hydraulic cylinder 8 is fixedly installed in the middle of the top of the fixing plate 11, and the bottom end of the output shaft of the hydraulic cylinder 8 is fixedly connected to a support plate 9.

[0041] The bottom end of the output shaft of the hydraulic cylinder 8 extends to the outer surface of the bottom of the fixing plate 11, and the support plate 9 is arranged at the bottom of the fixing plate 11.

[0042] The working principle of a coal mining machine coal unloading device provided by the present utility model is as follows:

[0043] During operation, first, the output shaft of the hydraulic cylinder 8 is controlled to move up and down by an external power source. The movement of the output shaft of the hydraulic cylinder 8 drives the support plate 9 to move together, enabling the height of the support plate 9 to be adjusted. The support plate 9 supports the ground at the bottom, and the universal wheels 7 are suspended, causing the support plate 9 to support the entire coal unloading device, maintaining the stability of the coal unloading device during operation and storage. The support plate 9 fits against the bottom of the fixed plate 11, and the universal wheels 7 support the ground, facilitating the user to push the coal unloading device for movement and transportation.

[0044] Compared with the related technologies, a coal mining machine coal unloading device provided by the present utility model has the following beneficial effects:

[0045] The present utility model provides a coal mining machine coal unloading device. The output shaft of the hydraulic cylinder 8 is controlled to move up and down by an external power source. The movement of the output shaft of the hydraulic cylinder 8 drives the support plate 9 to move together, enabling the height of the support plate 9 to be adjusted. The support plate 9 supports the ground at the bottom, and the universal wheels 7 are suspended, causing the support plate 9 to support the entire coal unloading device, maintaining the stability of the coal unloading device during operation and storage. The support plate 9 fits against the bottom of the fixed plate 11, and the universal wheels 7 support the ground, facilitating the user to push the coal unloading device for movement and transportation. The structure of this device is simple and highly practical. The operator can adjust the storage situation of the coal unloading device according to his own needs, conveniently adjust the interior of the support plate 9 according to the installation or transportation situation of the coal unloading device, improving the practicality of this device, enhancing the transportation convenience, and maintaining the stability during coal unloading.

[0046] The above are only the embodiments of the present utility model, and do not thus limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included within the patent protection scope of the present utility model.

Claims

1. A coal unloading device for a coal mining machine, characterized in that: include: Mounting seat; A rotating frame, the rotating frame is fixedly mounted in the middle of the top of the mounting seat, the rotating frame comprises a fixed block, a rotating ring block and a servo motor, and the mounting seat comprises a fixed plate, a hydraulic cylinder and a movable plate; A feed pipe, the feed pipe is fixedly installed inside the rotating frame, and a screw conveyor is arranged on one side of the feed pipe; A collecting pipe is fixedly installed on one side of the outer surface of the feeding pipe, and a feeding pipe is fixedly installed on the other side of the feeding pipe.

2. A coal unloading device for a coal mining machine according to claim 1, characterized in that: The fixed block is fixedly installed in the middle of the top of the mounting seat, the servo motor is fixedly installed on one side of the fixed block, and the rotating ring block is fixedly installed on the end of the output shaft of the servo motor.

3. A coal unloading device for a coal mining machine according to claim 1, characterized in that: The movable plate is fixedly mounted on the bottom of the fixed block, the two hydraulic cylinders are respectively fixedly mounted on the bottom of the movable plate, and the fixed plate is fixedly mounted on the bottom of the hydraulic cylinders.

4. A coal unloading device for a coal mining machine according to claim 1, characterized in that: Universal wheels are arranged around the bottom of the fixing plate.

5. A coal unloading device for a coal mining machine according to claim 1, characterized in that: The feed pipe is fixedly installed in the middle of the rotating ring block.

6. A coal unloading device for a coal mining machine according to claim 1, characterized in that: A hydraulic cylinder is fixedly installed in the middle of the top of the fixed plate, and the bottom end of the output shaft of the hydraulic cylinder is fixedly connected to a supporting plate.

7. A coal unloading device for a coal mining machine according to claim 6, characterized in that: The bottom end of the output shaft of the hydraulic cylinder extends to the outer surface of the bottom of the fixing plate, and the supporting plate is arranged at the bottom of the fixing plate.

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