Suspended roof cutting device for fully mechanized coal mining face of coal mine

Abstract

The utility model relates to the technical field of coal mine mining pressure prevention and control, in particular to a coal mine fully mechanized coal mining face suspended roof cutting device which comprises an installation bin, a cutting wheel and a clamping unit, and the clamping unit comprises a fixing base, a clamping plate shaft, a square column, a square bin, a rotating shaft, an installation frame, an air cylinder, a rotating base, a power assembly and a lifting assembly. The clamping plate penetrates through the square column to make contact with the clamping plate shaft, the controller is clicked to start the air cylinder, the air cylinder abuts against the rotating base to be close to the rotating shaft till the square column and the square column are matched, at the moment, the rotating base plays a role in abutting against the rotating shaft and can also be matched with the cutting wheel to rotate, and the dismounting mode is opposite to the mounting mode; and the lifting assembly is used for adjusting the height of the mounting bin, so that the cutting wheel is quickly mounted in this way, the time consumed for mounting the cutting wheel is shortened, the workload of workers is reduced, and the working efficiency of the workers is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining roof control technical field especially relates to a kind of coal mine fully mechanized working face suspended roof cutting device. BACKGROUND

[0002] In the process of coal mining, suspended roof has the risk of collapse, and needs to be cut, and the existing coal mine fully mechanized working face suspended roof cutting device is generally directly cut on a plane, but the cutting wheel is often stuck in the rock due to the influence of rock hardness, causing the cutting tool to be stuck, affecting the work efficiency.

[0003] The patent application with the authorization publication number CN 220059536 U in the prior art discloses a kind of coal mine fully mechanized working face suspended roof cutting device, including first mounting plate, one end of first mounting plate is equipped with cylinder, cylinder is fixed with first L-shaped plate, first L-shaped plate is equipped with ring, first mounting plate is equipped with second L-shaped plate, second L-shaped plate is fixed with U-shaped plate, cylinder is equipped with limit ring, U-shaped plate is equipped with second round rod, second round rod is equipped with first round rod, first round rod is equipped with gyro wheel, second round rod is equipped with connecting plate, can avoid cutting tool stuck in rock inside causing machine damage, avoid economic loss, ensure work efficiency.

[0004] But in the prior art, the cutting wheel is affected by the rock hardness of rock layer, and is prone to excessive wear, and is too troublesome to disassemble and assemble, which is not conducive to the operation of workers. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of coal mine fully mechanized working face suspended roof cutting device, to solve the problem of cutting wheel in prior art, which is affected by the rock hardness of rock layer, and is prone to excessive wear, and is too troublesome to disassemble and assemble, which is not conducive to the operation of workers.

[0006] The utility model provides a kind of coal mine fully mechanized working face suspended roof cutting device, including installation warehouse, cutting wheel and clamping unit, the clamping unit includes fixed seat, clamping plate shaft, square column, square warehouse, pivot, mounting bracket, cylinder, rotating seat, power component and lifting assembly, the cutting wheel is arranged in the inner side wall of the installation warehouse, the clamping unit is connected with the installation warehouse and the cutting wheel respectively;The fixed seat is fixedly connected with the installation warehouse, and is located in the inner side wall of the installation warehouse, the clamping plate shaft is rotatably connected with the fixed seat, and is located in the inner side wall of the fixed seat, the square column is fixedly connected with the clamping plate shaft, and is located in one side of the clamping plate shaft, and the square column is slidably matched with the cutting wheel, the square warehouse is slidably connected with the square column, and is located in the outer side wall of the square column, the pivot is fixedly connected with the square warehouse, and is located in one side of the square warehouse, and the pivot is rotatably matched with the installation warehouse, the mounting bracket is fixedly connected with the installation warehouse, and is located in one side of the installation warehouse, the cylinder is fixedly connected with the mounting bracket, and is located in one side of the mounting bracket, the rotating seat is fixedly connected with the cylinder, and is located in the output end of the cylinder, and the rotating seat is rotatably matched with the pivot, the power component is connected with the installation warehouse and the pivot respectively, and the power component is arranged below the installation warehouse.

[0007] Wherein, the power component includes first gear, second gear and drive motor, the first gear is fixedly connected with the pivot, and is located in the outer side wall of the pivot, the drive motor is fixedly connected with the installation warehouse, and is located in the outer side wall of the installation warehouse, the second gear is fixedly connected with the drive motor, and is located in the output end of the drive motor, and the second gear is engaged with the first gear.

[0008] Wherein, the power component further includes limiting frame, the limiting frame is fixedly connected with the installation warehouse, and is located in one side of the installation warehouse.

[0009] Wherein, the lifting assembly includes slide column, mobile bottom warehouse and electric telescopic rod, the slide column is fixedly connected with the installation warehouse, and is located below the installation warehouse, the mobile bottom warehouse is slidably connected with the slide column, and is located in the outer side wall of the slide column, the electric telescopic rod is fixedly connected with the mobile bottom warehouse, and is located in the inner bottom wall of the mobile bottom warehouse, the output end of the electric telescopic rod is fixedly connected with the slide column, and is located below the slide column.

[0010] Wherein, the lifting assembly further includes limiting block, the limiting block is fixedly connected with the slide column, and is located in the outer side wall of the slide column, and the limiting block is slidably matched with the mobile bottom warehouse.

[0011] The utility model discloses a kind of coal mine fully mechanized working face suspended roof cutting device, the cutting wheel is placed into the installation bin, pass through the square column and the clamping plate shaft contact, click controller starts the air cylinder, make it resist the rotation base close to the rotating shaft, until the square bin and the square column fit, the rotation base at this time plays the role of resisting the rotating shaft, can also cooperate the cutting wheel and rotate, the dismounting mode is contrary to installation mode, the power assembly is used to drive the rotating shaft rotation, the lifting assembly is used to adjust the height of the installation bin, cutting wheel is quickly installed by such mode, reduce the time consumed by cutting wheel installation, reduce the workload of staff, improve the work efficiency of staff. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows.

[0013] Figure 1 It is the structure schematic view of the coal mine fully mechanized working face suspended roof cutting device of the utility model.

[0014] Figure 2 It is the front view of the coal mine fully mechanized working face suspended roof cutting device of the utility model.

[0015] Figure 3 It is the A-A line section view of the coal mine fully mechanized working face suspended roof cutting device of the utility model. Figure 2

[0016] Figure 4 It is the B place local structure enlarged view of the coal mine fully mechanized working face suspended roof cutting device of the utility model. Figure 3 101-installation bin, 102-cutting wheel, 103-fixed seat, 104-clamping plate shaft, 105-square column, 106-square bin, 107-rotating shaft, 108-mounting frame, 109-air cylinder, 110-rotation base, 111-first gear, 112-second gear, 113-driving motor, 114-limiting frame, 115-sliding column, 116-moving bottom bin, 117-electric telescopic rod, 118-limiting block.

[0017] DETAILED DESCRIPTION Please refer to

[0018] Among them, Figures 1 to 4 It is the structure schematic view of the coal mine fully mechanized working face suspended roof cutting device of the utility model, Figure 1 It is the front view of the coal mine fully mechanized working face suspended roof cutting device of the utility model, Figure 2 It is the A-A line section view of the coal mine fully mechanized working face suspended roof cutting device of the utility model, Figure 3 It is the B place local structure enlarged view of the coal mine fully mechanized working face suspended roof cutting device of the utility model, Figure 2 Figure 4 Figure 3 ​​​A local structure of B at the part of the figure is enlarged.

[0019] The utility model provides a kind of coal mine fully mechanized working face suspended roof cutting device, including installation bin 101, cutting wheel 102 and clamping unit, the clamping unit includes fixed seat 103, clamping plate shaft 104, square column 105, square bin 106, rotating shaft 107, mounting bracket 108, cylinder 109, rotating seat 110, power component and lifting assembly, the power component includes first gear 111, second gear 112, drive motor 113 and limiting frame 114, the lifting assembly includes slide column 115, mobile bottom bin 116, electric telescopic rod 117 and limiting block 118.

[0020] The cutting wheel 102 is arranged on the inner side wall of the installation bin 101, and the clamping unit is connected with the installation bin 101 and the cutting wheel 102 respectively; the fixed seat 103 is fixedly connected with the installation bin 101 and located on the inner side wall of the installation bin 101, the clamping plate shaft 104 is rotatably connected with the fixed seat 103 and located on the inner side wall of the fixed seat 103, the square column 105 is fixedly connected with the clamping plate shaft 104 and located on one side of the clamping plate shaft 104, and the square column 105 is in sliding fit with the cutting wheel 102, the square bin 106 is in sliding connection with the square column 105 and located on the outer side wall of the square column 105, the rotating shaft 107 is fixedly connected with the square bin 106 and located on one side of the square bin 106, and the rotating shaft 107 is in rotary fit with the installation bin 101, the mounting bracket 108 is fixedly connected with the installation bin 101 and located on one side of the installation bin 101, the cylinder 109 is fixedly connected with the mounting bracket 108 and located on one side of the mounting bracket 108, the rotating seat 110 is fixedly connected with the cylinder 109 and located on the output end of the cylinder 109, and the rotating seat 110 is in rotary fit with the rotating shaft 107, the power component is connected with the installation bin 101 and the rotating shaft 107 respectively, and the power component is arranged below the installation bin 101.

[0021] In the embodiment, the cutting wheel 102 is placed into the mounting bin 101, and the square column 105 is in contact with the clamping plate shaft 104. The controller is clicked to start the air cylinder 109, and the air cylinder 109 is pressed against the rotating seat 110 to approach the rotating shaft 107 until the square bin 106 and the square column 105 are fitted. At this time, the rotating seat 110 not only serves as a support for the rotating shaft 107, but also rotates with the cutting wheel 102. The disassembly mode is opposite to the installation mode. The power assembly is used to drive the rotating shaft 107 to rotate, and the lifting assembly is used to adjust the height of the mounting bin 101. In this way, the cutting wheel 102 is quickly installed, the time consumed for the installation of the cutting wheel 102 is reduced, the workload of the staff is reduced, and the work efficiency of the staff is improved.

[0022] Further, the first gear 111 is fixedly connected with the rotating shaft 107 and located on the outer side wall of the rotating shaft 107. The driving motor 113 is fixedly connected with the mounting bin 101 and located on the outer side wall of the mounting bin 101. The second gear 112 is fixedly connected with the driving motor 113 and located on the output end of the driving motor 113. The second gear 112 is engaged with the first gear 111.

[0023] In the embodiment, the controller is clicked to start the driving motor 113, and the driving motor 113 drives the second gear 112 to rotate. Since the second gear 112 is engaged with the first gear 111, the rotating shaft 107 is driven to rotate. When the cutting wheel 102 is installed, the rotating shaft 107 slides and needs to be aligned with the first gear 111 and the second gear 112 to avoid injury to the tooth tip.

[0024] Further, the limiting frame 114 is fixedly connected with the mounting bin 101 and located on one side of the mounting bin 101.

[0025] In the embodiment, the limiting frame 114 is used to limit the movement distance of the rotating seat 110, so as to avoid that the rotating seat 110 excessively extrudes the rotating shaft 107 and ensure the normal rotation of the rotating shaft 107.

[0026] Further, the slide column 115 is fixedly connected with the mounting bin 101 and located below the mounting bin 101. The movable bottom bin 116 is slidingly connected with the slide column 115 and located on the outer side wall of the slide column 115. The electric telescopic rod 117 is fixedly connected with the movable bottom bin 116 and located on the inner bottom wall of the movable bottom bin 116. The output end of the electric telescopic rod 117 is fixedly connected with the slide column 115 and located below the slide column 115.

[0027] In the embodiment, the electric telescopic rod 117 is started to move the slide post 115 upward to adjust the height of the installation bin 101, so as to facilitate the operation and use of the staff.

[0028] Further, the limiting block 118 is fixedly connected with the slide post 115 and located on the outer side wall of the slide post 115, and the limiting block 118 is in sliding fit with the movable bottom bin 116.

[0029] In the embodiment, the limiting block 118 is used to limit the lifting height of the slide post 115, so as to avoid the slide post 115 from falling off the movable bottom bin 116 and reduce the occurrence of safety incidents.

[0030] The above disclosure is only one preferred embodiment of the application, which cannot limit the scope of the application. Those skilled in the art can understand that the implementation of all or part of the above-mentioned processes, and the equivalent changes made according to the claims of the application, still belong to the scope covered by the application.

Claims

1. A coal mine fully mechanized working face suspended roof cutting device, comprising a mounting bin and a cutting wheel, the cutting wheel is arranged on the inner side wall of the mounting bin, characterized in that, It also includes a clamping unit, the clamping unit is connected with the mounting bin and the cutting wheel respectively; The clamping unit includes a fixed seat, a clamping shaft, a square column, a square bin, a rotating shaft, a mounting frame, a gas cylinder, a rotating seat, a power component and a lifting component, the fixed seat is fixedly connected with the mounting bin and located on the inner side wall of the mounting bin, the clamping shaft is rotatably connected with the fixed seat and located on the inner side wall of the fixed seat, the square column is fixedly connected with the clamping shaft and located on one side of the clamping shaft, and the square column is in sliding fit with the cutting wheel, the square bin is in sliding connection with the square column and located on the outer side wall of the square column, the rotating shaft is fixedly connected with the square bin and located on one side of the square bin, and the rotating shaft is in rotational fit with the mounting bin, the mounting frame is fixedly connected with the mounting bin and located on one side of the mounting bin, the gas cylinder is fixedly connected with the mounting frame and located on one side of the mounting frame, the rotating seat is fixedly connected with the gas cylinder and located on the output end of the gas cylinder, and the rotating seat is in rotational fit with the rotating shaft, the power component is connected with the mounting bin and the rotating shaft respectively, and the power component is arranged below the mounting bin.

2. The coal mine fully mechanized working face suspended roof cutting device according to claim 1, characterized in that, The power component includes a first gear, a second gear and a driving motor, the first gear is fixedly connected with the rotating shaft and located on the outer side wall of the rotating shaft, the driving motor is fixedly connected with the mounting bin and located on the outer side wall of the mounting bin, the second gear is fixedly connected with the driving motor and located on the output end of the driving motor, and the second gear is in meshing with the first gear.

3. The coal mine fully mechanized working face suspended roof cutting device according to claim 2, characterized in that, The power component further includes a limiting frame, the limiting frame is fixedly connected with the mounting bin and located on one side of the mounting bin.

4. The coal mine fully mechanized working face suspended roof cutting device according to claim 3, characterized in that, The lifting component includes a sliding column, a moving bottom bin and an electric telescopic rod, the sliding column is fixedly connected with the mounting bin and located below the mounting bin, the moving bottom bin is in sliding connection with the sliding column and located on the outer side wall of the sliding column, the electric telescopic rod is fixedly connected with the moving bottom bin and located on the inner bottom wall of the moving bottom bin, and the output end of the electric telescopic rod is fixedly connected with the sliding column and located below the sliding column.

5. The coal mine fully mechanized working face suspended roof cutting device according to claim 4, characterized in that, The lifting component further includes a limiting block, the limiting block is fixedly connected with the sliding column and located on the outer side wall of the sliding column, and the limiting block is in sliding fit with the moving bottom bin.

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