Mine local fan ventilation device

Abstract

The utility model relates to the technical field of mine local fan ventilation, in particular to a mine local fan ventilation device which comprises a local fan, a vertical plate is fixedly connected to the outer wall of the local fan, a transverse plate is fixedly connected to the bottom of the vertical plate, a vertical rod is rotationally connected to one side of the front end face of the transverse plate through a pin shaft, and a bottom plate is fixedly connected to the bottom of the vertical rod. A shell is fixedly connected to one side of the top of the bottom plate, a horizontal ruler is fixedly connected to the front end face of the transverse plate, a pipeline is attached to one end of the local fan, and a block is in clearance fit with a groove in the top of the bottom plate. Through cooperation of a local fan, a vertical plate, a pipeline and a connecting structure, when the device is used, the inner wall of one side of the pipeline can be inserted into the outer wall of a rod body, a double-end threaded rod is rotated, the double-end threaded rod drives a curved rod to move inwards, the curved rod is inserted into a groove of the rod body, and then connection of the pipeline is achieved; and a worker can conveniently and rapidly connect the local fan and the pipeline, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of mine local fan ventilation, in particular to a mine local fan ventilation device. Background Art

[0002] Underground mines carry out blasting quite frequently. After each blast, local ventilation is required on the working surface to speed up the exhaust of blast smoke and reduce ventilation time.

[0003] There is an existing automatic start-up protection device for local fans in mines (application number: 202023238120.5), which can prevent the air intake pipe from being blocked, ensure the normal use of the carbon monoxide detector, and greatly improve safety. The above-mentioned problem still exists. When performing local fan ventilation in mines, it is necessary to connect the local fan ventilation to the external ventilation duct, so as to realize the discharge of blasting smoke. When connecting the local fan to the pipeline, it is often fixed with multiple bolts, which is inconvenient to operate and inconvenient for the staff to quickly connect the local fan to the pipeline. When using the local fan, the bottom of the local fan needs to be fixed to the ground. If the ground is uneven, the local fan is easy to tilt, which makes the output end of the local fan unable to align with the pipeline, making it inconvenient for the staff to adjust the angle of the local fan, and thus it is inconvenient to place the local fan horizontally. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art, such as it is inconvenient for workers to quickly connect the local fan to the pipeline, the operation is relatively inconvenient, it is inconvenient for workers to adjust the angle of the local fan, and it is inconvenient to place the local fan horizontally, and to propose a mine local fan ventilation device.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A mine local fan ventilation device is designed, including a local fan, the outer wall of the local fan is fixedly connected to a vertical plate, the bottom of the vertical plate is fixedly connected to a horizontal plate, one side of the front end face of the horizontal plate is rotatably connected to a vertical rod through a pin shaft, the bottom of the vertical rod is fixedly connected to a bottom plate, the top side of the bottom plate is fixedly connected to an outer shell, the front end face of the horizontal plate is fixedly connected to a spirit level, one end of the local fan is fitted with a pipe, a block is gap-fitted in the top groove of the bottom plate, the inner wall of the block is threadedly connected to a screw rod, one side of the outer wall of the screw rod is rotatably connected to the inner wall below one side of the outer shell through a bearing, and one side of the local fan is provided with a connecting structure.

[0007] Preferably, the connecting structure includes a rod body, one end of the rod body is fixedly connected to the outer side of one end of the local fan, a straight cylinder is fitted in the outer wall gap of the rod body, one end of the straight cylinder is fixedly connected to one side of the outer wall of the pipe, an inner wall of one side of the straight cylinder is rotatably connected to a double-headed threaded rod through a bearing, one side of the outer wall of the double-headed threaded rod is threadedly connected to a curved rod, one side of the outer wall of the curved rod is fitted in the gap of a groove on one side of the rod body, a sliding rod is fitted in the gap of the inner wall of one side of the curved rod, and one end of the sliding rod is fixedly connected to one side of the inner wall of the straight cylinder.

[0008] Preferably, one end of the screw rod is fixedly connected to the output end of the motor, and the bottom of the motor is fixedly connected to one side of the top of the base plate.

[0009] Preferably, the front end surface of the block is rotatably connected to an oblique rod via a pin shaft, and an annular plate is rotatably connected above the front end surface of the oblique rod via a pin shaft.

[0010] Preferably, a curved block is provided in the inner through groove of the annular plate, and one end of the curved block is fixedly connected to the upper side of the inner wall of the outer shell.

[0011] Preferably, a short rod is rotatably connected to the upper front end surface of the annular plate via a pin, and the upper front end surface of the short rod is rotatably connected to one side of the bottom of the transverse plate via a pin.

[0012] The utility model provides a mine local fan ventilation device with the following beneficial effects: through the cooperation of the local fan, the vertical plate, the pipe and the connection structure, the device can be used by inserting the inner wall of one side of the pipe into the outer wall of the rod body, rotating the double-headed threaded rod, and the double-headed threaded rod drives the curved rod to move inward, so that the curved rod is inserted into the groove of the rod body, thereby achieving connection with the pipe, facilitating the workers to quickly connect the local fan to the pipe, and convenient operation;

[0013] Through the cooperation of the local fan, vertical plate, horizontal plate, level ruler, vertical rod, bottom plate, shell, screw rod, motor, block, oblique rod, annular plate, curved block and short rod, when the device is in use, the motor can drive the screw rod to rotate, the screw rod drives the block to move left and right, the block drives the oblique rod to move, the oblique rod drives the annular plate to move up and down, the annular plate drives the short rod to move, and the short rod drives the horizontal plate to rotate, thereby realizing the angle adjustment of the local fan. According to the state of the level ruler, it is convenient for the staff to adjust the angle of the local fan, and thus facilitate the horizontal placement of the local fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the vertical plate, local fan and horizontal plate of the utility model;

[0016] Figure 3 This is a schematic diagram of the motor, screw rod and block structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the annular plate, curved block and short rod structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the local fan, chute and rod structure of the utility model;

[0019] Figure 6 This is a schematic structural diagram of the curved rod, double-threaded rod and sliding rod of the utility model.

[0020] In the figure: 1. Vertical plate, 2. Connecting structure, 2a1. Curved rod, 2a2. Double-threaded rod, 2a3. Straight cylinder, 2a4. Sliding rod, 2a5. Rod body, 2b1. Inclined groove, 3. Local fan, 4. Pipe, 5. Horizontal plate, 6. Level, 7. Vertical rod, 8. Bottom plate, 9. Casing, 10. Motor, 11. Screw, 12. Block, 13. Inclined rod, 14. Ring plate, 15. Curved block, 16. Short rod. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] Example 1:

[0023] Refer to the attached Figure 1-6 : In this embodiment, a mine local fan ventilation device includes a local fan 3, the outer wall of the local fan 3 is fixedly connected to a vertical plate 1, the bottom of the vertical plate 1 is fixedly connected to a horizontal plate 5, and the front end face of the horizontal plate 5 is rotatably connected to a vertical rod 7 through a pin shaft. The pin shaft allows the horizontal plate 5 to rotate above the rear end of the vertical rod 7 when force is applied, the bottom of the vertical rod 7 is fixedly connected to a bottom plate 8, and the top side of the bottom plate 8 is fixedly connected to an outer shell 9. The front end face of the horizontal plate 5 is fixedly connected to a level ruler 6, one end of the local fan 3 is fitted with a pipe 4, and a block 12 is gap-fitted in the top groove of the bottom plate 8. The inner wall of the block 12 is threadedly connected to a screw rod 11, and one side of the outer wall of the screw rod 11 is rotatably connected to the inner wall below one side of the outer shell 9 through a bearing. One end of the screw rod 11 is fixedly connected to the output end of the motor 10, and the bottom of the motor 10 is fixedly connected to the top side of the bottom plate 8. The model of the motor 10 depends on the actual usage.

[0024] The front end face of the block 12 is rotatably connected to an inclined rod 13 through a pin shaft, and an annular plate 14 is rotatably connected to the upper front end face of the inclined rod 13 through a pin shaft. The pin shaft allows the inclined rod 13 to rotate under the rear end of the annular plate 14 when a force is applied. A curved block 15 is fitted in the inner through-slot gap of the annular plate 14. The curved block 15 plays a limiting role when the annular plate 14 moves up and down under a force. One end of the curved block 15 is fixedly connected to the upper side of the inner wall of the outer shell 9, and a short rod 16 is rotatably connected to the upper front end face of the annular plate 14 through a pin shaft. The upper front end face of the short rod 16 is rotatably connected to the bottom side of the horizontal plate 5 through a pin shaft. A connecting structure 2 is provided on one side of the local fan 3. The connecting structure 2 facilitates the staff to quickly connect the local fan 3 to the pipeline 4, and is easy to operate.

[0025] The connecting structure 2 includes a rod body 2a5, one end of the rod body 2a5 is fixedly connected to the outside of one end of the local fan 3, the outer wall gap of the rod body 2a5 is fitted with a straight cylinder 2a3, one end of the straight cylinder 2a3 is fixedly connected to one side of the outer wall of the pipe 4, the inner wall of one side of the straight cylinder 2a3 is rotatably connected to the double-headed threaded rod 2a2 through a bearing, the outer wall side of the double-headed threaded rod 2a2 is threadedly connected to the curved rod 2a1, the outer wall side of the curved rod 2a1 is fitted with a groove gap on one side of the rod body 2a5, and the inner wall gap of one side of the curved rod 2a1 is fitted with a sliding rod 2a4, the sliding rod 2a4 plays a limiting role when the curved rod 2a1 is subjected to force and moves, one end of the sliding rod 2a4 is fixedly connected to one side of the inner wall of the straight cylinder 2a3, which is convenient for the staff to quickly connect the local fan 3 to the pipe 4 and the operation is convenient.

[0026] Working principle:

[0027] When using this mine local fan ventilation device for work:

[0028] The bottom plate 8 is fitted with the ground at the mine, and the bottom plate 8 is connected to the ground at the mine by bolts. The motor 10 starts working, and the motor 10 drives the screw rod 11 to rotate. The screw rod 11 drives the block 12 to move left and right. The block 12 drives the inclined rod 13 to move. The inclined rod 13 drives the annular plate 14 to move up and down. The annular plate 14 drives the short rod 16 to move. The short rod 16 drives the cross plate 5 to rotate, thereby realizing the angle adjustment of the local fan 3. The local fan 3 is adjusted to a horizontal state. When the local fan 3 is connected to the pipe 4, the inner wall of one side of the pipe 4 is inserted into the outer wall of the rod body 2a5, and the double-headed threaded rod 2a2 is rotated. The double-headed threaded rod 2a2 drives the curved rod 2a1 to move inward, so that the curved rod 2a1 is inserted into the groove of the rod body 2a5, thereby realizing the connection to the pipe 4. The local fan 3 starts working, thereby realizing ventilation work in the mine.

[0029] Example 2:

[0030] Refer to the attached Figure 1-6In this embodiment, a mine local fan ventilation device is provided, wherein the connection structure 2 may further include an inclined groove 2b1, which is machined on one inner wall of the pipe 4, and the inner wall of the inclined groove 2b1 is gap-fitted with one side of the outer wall of the rod body 2a5.

[0031] Working principle:

[0032] The provision of the inclined groove 2b1 makes it easier for the staff to insert the rod body 2a5 into the inner wall of the straight cylinder 2a3, thereby facilitating the staff to perform operations.

[0033] While the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A mine local fan ventilation device, comprising a local fan (3), characterized in that: The outer wall of the local fan (3) is fixedly connected to a vertical plate (1), the bottom of the vertical plate (1) is fixedly connected to a horizontal plate (5), one side of the front end surface of the horizontal plate (5) is rotatably connected to a vertical rod (7) through a pin shaft, the bottom of the vertical rod (7) is fixedly connected to a bottom plate (8), one side of the top of the bottom plate (8) is fixedly connected to a shell (9), the front end surface of the horizontal plate (5) is fixedly connected to a level ruler (6), one end of the local fan (3) is fitted with a pipe (4), a block (12) is gap-fitted in the top groove of the bottom plate (8), the inner wall of the block (12) is threadedly connected to a screw rod (11), one side of the outer wall of the screw rod (11) is rotatably connected to the inner wall below one side of the shell (9) through a bearing, and one side of the local fan (3) is provided with a connecting structure (2).

2. A mine local fan ventilation device according to claim 1, characterized in that: The connection structure (2) comprises a rod body (2a5), one end of the rod body (2a5) is fixedly connected to the outer side of one end of the local fan (3), the outer wall gap of the rod body (2a5) is matched with a straight tube (2a3), one end of the straight tube (2a3) is fixedly connected to one side of the outer wall of the pipe (4), the inner wall of one side of the straight tube (2a3) is rotatably connected to a double-headed threaded rod (2a2) through a bearing, one side of the outer wall of the double-headed threaded rod (2a2) is threadedly connected to a curved rod (2a1), one side of the outer wall of the curved rod (2a1) is matched with a groove gap on one side of the rod body (2a5), one side of the inner wall of one side of the curved rod (2a1) is matched with a sliding rod (2a4), and one end of the sliding rod (2a4) is fixedly connected to one side of the inner wall of the straight tube (2a3).

3. A mine local fan ventilation device according to claim 1, characterized in that: One end of the screw rod (11) is fixedly connected to the output end of the motor (10), and the bottom of the motor (10) is fixedly connected to one side of the top of the bottom plate (8).

4. A mine local fan ventilation device according to claim 1, characterized in that: The front end surface of the block (12) is rotatably connected to an inclined rod (13) via a pin shaft, and an annular plate (14) is rotatably connected above the front end surface of the inclined rod (13) via a pin shaft.

5. A mine local fan ventilation device according to claim 4, characterized in that: A curved block (15) is provided in the inner through groove of the annular plate (14), and one end of the curved block (15) is fixedly connected to the upper side of one side of the inner wall of the outer shell (9).

6. A mine local fan ventilation device according to claim 4, characterized in that: A short rod (16) is rotatably connected to the upper front end surface of the annular plate (14) via a pin shaft, and the upper front end surface of the short rod (16) is rotatably connected to one side of the bottom of the horizontal plate (5) via a pin shaft.

Images