CN116658232A - Dust-blocking protection device between hydraulic supports - Google Patents
Dust-blocking protection device between hydraulic supports Download PDFInfo
- Publication number
- CN116658232A CN116658232A CN202310396031.2A CN202310396031A CN116658232A CN 116658232 A CN116658232 A CN 116658232A CN 202310396031 A CN202310396031 A CN 202310396031A CN 116658232 A CN116658232 A CN 116658232A
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- Prior art keywords
- conveyor belt
- hydraulic
- dust
- belt device
- hydraulic support
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 4
- 239000003245 coal Substances 0.000 abstract description 35
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000001012 protector Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
- Emergency Lowering Means (AREA)
Abstract
The application discloses a dust blocking protection device between hydraulic supports, relates to the technical field of dust prevention and control, and solves the problem that coal blocks and dust fall between the hydraulic supports in the process of lowering and moving the hydraulic supports. The application comprises a rack mechanism, a ratchet mechanism, an air curtain dustproof device and a conveyor belt device, wherein a first hydraulic support and a second hydraulic support are arranged side by side; a conveyor belt device is arranged on the left side of the second hydraulic support; one end of the conveyor belt device is provided with a ratchet mechanism, and the ratchet mechanism is matched with the rack mechanism to drive the conveyor belt device; the rack mechanism is fixed on the first hydraulic support; the left side of the conveyor belt device is provided with an air curtain dustproof device for preventing dust from falling from a gap between the conveyor belt device and the first hydraulic support. According to the application, the top is isolated from the working area by arranging the conveyor belt device, so that the coal is prevented from falling to cause injury to workers; through setting up air curtain protector to the top blowing, prevent that the dust from getting into the work area from between conveyer belt device and the hydraulic support.
Description
Technical Field
The application relates to the technical field of dust prevention and control, in particular to a dust blocking protection device between hydraulic supports.
Background
Coal is a basic energy source and an industrial raw material in China, and provides powerful guarantee for economic and social development and national energy source safety and stability supply for a long time. In recent years, with the development of science and technology, the coal mine industry is rapidly developed in China. But at the same time, certain potential safety hazards are caused, and serious influence is caused on normal production of the coal mine. From the research at the present stage, coal mine dust not only threatens the safety production of a mine, but also seriously endangers the physical and mental health of coal mine workers, and is the most popular point of the research at present.
In the fully-mechanized mining process, the lowering column moving frame of the hydraulic support of the coal mining machine is a main source of coal mine dust. In the process of lowering the column and moving the frame of the hydraulic support, as the top and the coal bed are extruded and retracted, crushed coal blocks are dropped successively, and a large amount of dust is generated, and the coal blocks and the dust fall into a working area from the neutral gear between the hydraulic support, so that the working environment is polluted, and the human health and the service life of instruments are greatly influenced.
At present, aiming at the problem of falling of coal blocks and dust between hydraulic supports, a common method is to hang a dust catching net between the hydraulic supports, but only the rear half part with inclination can be protected, because the coal blocks can slide down the dust catching net by the gravity of the coal blocks, and the top of the coal blocks does not have the characteristic, the method cannot be used. And the dust catching net and the hydraulic support have gaps, so that dust can fall into a working area, and the protection effect is not ideal as a whole.
Disclosure of Invention
The application provides a dust blocking protection device between hydraulic supports, which aims to solve the problem that coal blocks and dust fall between the hydraulic supports in the process of lowering the hydraulic supports and moving the hydraulic supports. According to the application, the conveyor belt device is arranged between the hydraulic supports to isolate the top from the working area, so that the coal blocks are prevented from falling to cause injury to workers, and meanwhile, the falling coal blocks are conveyed to the tail part of the hydraulic support through the conveyor belt to fall; and through the air curtain protector that sets up, continuously blow to the top and prevent the dust from getting into the work area from the space department between conveyer belt device and the hydraulic support.
The application provides a dust-blocking protection device between hydraulic supports, which comprises a rack mechanism, a ratchet mechanism, an air curtain dust-proof device and a conveyor belt device, wherein a first hydraulic support and a second hydraulic support are arranged side by side; a conveyor belt device is arranged on the left side of the second hydraulic support; one end of the conveyor belt device is provided with a ratchet mechanism, and the ratchet mechanism is matched with the rack mechanism to drive the conveyor belt device; the rack mechanism is fixed on the first hydraulic support; the left side of the conveyor belt device is provided with an air curtain dustproof device for preventing dust from falling from a gap between the conveyor belt device and the first hydraulic support.
Further, the rack mechanism comprises a rack, a plurality of elastic components and a base, wherein the elastic components are arranged in the base, and the upper ends of the elastic components are connected with the rack; the left side of the base is fixed on the first hydraulic support.
Still further, the elastic member is a spring.
Further, the ratchet mechanism comprises a gear, a plurality of ratchet wheels and a shaft, wherein one end of the shaft is provided with the gear, the other end of the shaft is connected with a second hydraulic support, and a plurality of ratchet wheels are sleeved at the middle section of the shaft; the gears are matched with the racks, and the plurality of ratchet wheels drive the conveyer belt device to move.
Further, the conveyor belt device comprises a conveyor belt and two guide rails, wherein the conveyor belt is arranged between the two guide rails and is matched with the ratchet wheels; the right guide rail is fixed on the second hydraulic support.
Further, the belt surface is provided with a plurality of raised strips.
Further, a hinge structure is arranged in the middle of the guide rail.
Further, the air curtain dustproof device comprises an orifice bracket, an air pipe and a plurality of air nozzles, wherein the air pipe is fixed on a guide rail on the left side through the orifice bracket; a plurality of air nozzles are arranged on the air pipe at equal intervals.
Further, the air nozzle jets upward.
Further, the air pipe is a hose.
The dust-blocking protection device between the hydraulic supports has the beneficial effects that:
(1) According to the inter-hydraulic-support dust-blocking protection device, the problem that coal blocks and dust fall between hydraulic supports is solved, the falling problem of the coal blocks at the top of a coal mine is effectively prevented by the aid of the conveyor belt device, and the falling coal blocks are conveyed to the rear of the hydraulic supports through the aid of the conveyor belt device and the rack mechanism, so that safety of workers is protected;
(2) According to the dust-blocking protection device between the hydraulic supports, the air curtain protection device is arranged to blow air to the upper side of the hydraulic supports continuously, so that dust generated when coal blocks fall is prevented from falling into a working area from a gap between the conveyor belt device and the hydraulic supports.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
In the drawings:
FIG. 1 is a schematic perspective view of a dust-blocking protection device between hydraulic supports according to the present application;
FIG. 2 is a schematic view of a dust-blocking protection device between hydraulic supports in a partial enlarged structure at A in FIG. 1 according to the present application;
FIG. 3 is a schematic view of a rack mechanism of a dust-proof device between hydraulic supports according to the present application;
FIG. 4 is a schematic view of a ratchet mechanism of a dust-proof device between hydraulic supports according to the present application;
FIG. 5 is a schematic view of an air curtain protector of a dust-proof protector between hydraulic supports according to the present application;
FIG. 6 is a schematic view of a conveyor belt assembly of a dust-blocking protection device between hydraulic supports according to the present application;
wherein: 1-rack mechanism, 11-rack, 12-elastic component, 13-base, 2-ratchet mechanism, 21-gear, 22-ratchet, 23-axle, 24-bearing, 3-air curtain dust keeper, 31-mouth of pipe support, 32-trachea, 33-air cock, 4-conveyer belt device, 41-conveyer belt, 42-guide rail, 5-hydraulic support, 51-hydraulic support one, 52-hydraulic support two.
Detailed Description
The following describes the embodiments of the present application in further detail with reference to the accompanying drawings:
the first embodiment is as follows: the present embodiment is specifically described with reference to fig. 1 to 6. The dust-blocking protection device between the hydraulic supports specifically comprises a rack mechanism 1, a ratchet mechanism 2, an air curtain dust-proof device 3 and a conveyor belt device 4, wherein a first hydraulic support 51 and a second hydraulic support 52 are arranged side by side; the left side of the second hydraulic support 52 is provided with a conveyor belt device 4; one end of the conveyor belt device 4 is provided with a ratchet mechanism 2, and the ratchet mechanism 2 is matched with the rack mechanism 1 to drive the conveyor belt device 4; the rack mechanism 1 is fixed on the first hydraulic support 51; an air curtain dustproof device 3 is arranged on the left side of the conveyor belt device 4 to prevent dust from falling from a gap between the conveyor belt device 4 and the first hydraulic support 51; when the hydraulic support 5 descends to move the support, the ratchet mechanism 2 and the rack mechanism 1 relatively move, so that the ratchet mechanism 2 rotates, the ratchet mechanism 2 drives the conveyor belt device 4 to operate, and coal blocks falling onto the conveyor belt 41 are transported to the rear of the hydraulic support 5.
The rack mechanism 1 comprises a rack 11, a plurality of elastic components 12 and a base 13, wherein the elastic components 12 are arranged in the base 13, and the upper ends of the springs 12 are connected with the rack 11; the left side of the base 13 is fixed on a first hydraulic bracket 51; the elastic component 12 is a spring; by providing the elastic member 12, a good meshing relationship between the gear 21 and the rack 11 can be maintained, and the gear 21 and the rack 11 are prevented from being separated during the lowering and moving of the hydraulic bracket 5.
The ratchet mechanism 2 comprises a gear 21, a plurality of ratchet wheels 22 and a shaft 23, wherein one end of the shaft 23 is provided with the gear 21, the other end of the shaft is connected with a second hydraulic support 52 through a bearing 24, the middle section of the shaft 23 is sleeved with the ratchet wheels 22, and the ratchet wheels 22 are matched with the conveyor belt device 4; the gear 21 and the rack 11 are matched with a driving shaft 23 to rotate, and the shaft 23 rotates to drive a plurality of ratchets 22 to rotate so as to drive the conveyor belt device 4 to move.
The conveyor belt device 4 comprises a conveyor belt 41 and two guide rails 42, wherein the conveyor belt 41 is arranged between the two guide rails 42, the guide rails 42 are used for restraining the shape of the conveyor belt 41, and the conveyor belt 41 is matched with the ratchet wheels 22; the right rail 42 is fixed to the second hydraulic bracket 52 to ensure that the belt does not move when the first hydraulic bracket 51 moves.
The surface of the driving belt 41 is provided with a plurality of raised strips, so that the transportation effect on the coal blocks is enhanced, and the interception effect of the inclined surface of the driving belt 41 on the falling coal blocks is enhanced.
The middle of the guide rail 42 is provided with a hinge structure, and when the hydraulic support 5 descends and moves, the conveyor belt device 4 can follow the hydraulic support two 52 to perform folding action.
The air curtain dustproof device 3 comprises an orifice bracket 31, an air pipe 32 and a plurality of air nozzles 33, wherein the air pipe 32 is fixed on a left guide rail 42 through the orifice bracket 31; a plurality of air nozzles 33 are arranged on the air pipe 32 at equal intervals; the air nozzle 33 is upward in the air injection direction, so that dust generated by dropping coal blocks is prevented from entering a personnel working area from a gap between the conveyor belt device 4 and the first hydraulic support 51; the air pipe 32 is a hose, so that the air pipe 32 can be bent along with the conveyor belt device 4 in the process of lowering the hydraulic support 5 and moving the support.
The specific working process of the dust-blocking protection device between the hydraulic supports comprises the following steps:
the first hydraulic support 51 moves forwards to drive the rack mechanism 1 to move forwards; at this time, the second hydraulic bracket 52 is kept stationary, so that the rack mechanism 1 and the ratchet mechanism 2 relatively move, and the rack 11 and the gear 21 mesh with the driving gear 21 to rotate; the gear 21 drives the ratchet wheel 22 to rotate forwards through the shaft 23, and the ratchet wheel 22 drives the conveyor belt 41 to run on the guide rail 42 so as to convey the coal falling on the conveyor belt 41 to the rear of the hydraulic support 5; when the second hydraulic bracket 52 moves forward, the rack mechanism 1 and the ratchet mechanism 2 change the moving direction first, the second hydraulic bracket 52 drives the conveyor belt device 4 to move forward, and at this time, the ratchet 22 does not rotate, and the conveyor belt 41 does not rotate. The air curtain dust keeper 3 is kept in an open state all the time, and dust generated when the coal briquette falls is prevented from entering the personnel working area from the gap between the left guide rail 42 and the first hydraulic support 51.
According to the dust blocking protection device among the hydraulic supports, the problem that coal blocks and dust fall among the hydraulic supports is solved, the falling problem of the coal blocks at the top of a coal mine is effectively prevented by the aid of the conveyor belt device, and the falling coal blocks are conveyed to the rear of the hydraulic support 5 through the cooperation of the conveyor belt device 4 and the rack mechanism 1, so that safety of workers is protected; according to the dust-blocking protection device between the hydraulic supports, the air curtain protection device 3 is arranged to blow air continuously to the upper side of the hydraulic support 5, so that dust generated when coal blocks fall is prevented from falling into a working area from a gap between the conveyor belt device 4 and the hydraulic support 5.
The above specific embodiments are used for further detailed description of the objects, technical solutions and advantageous effects of the present application. It should be understood that the foregoing description is only a specific example of the present application, and is not intended to limit the application, but rather is a reasonable combination of features described in the foregoing embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the present application are intended to be included within the scope of the present application.
Claims (10)
1. A dust-proof protection device between hydraulic supports is characterized in that: the device comprises a rack mechanism (1), a ratchet mechanism (2), an air curtain dustproof device (3) and a conveyor belt device (4), wherein a first hydraulic support (51) and a second hydraulic support (52) are arranged side by side; a conveyor belt device (4) is arranged on the left side of the second hydraulic support (52); one end of the conveyor belt device (4) is provided with a ratchet mechanism (2), and the ratchet mechanism (2) is matched with the rack mechanism (1) to drive the conveyor belt device (4); the rack mechanism (1) is fixed on the first hydraulic support (51); an air curtain dustproof device (3) is arranged on the left side of the conveyor belt device (4) to prevent dust from falling from a gap between the conveyor belt device (4) and the first hydraulic support (51).
2. The hydraulic inter-bracket dust-blocking protection device of claim 1, wherein: the rack mechanism (1) comprises a rack (11), a plurality of elastic components (12) and a base (13), wherein the elastic components (12) are arranged in the base (13), and the upper ends of the elastic components (12) are connected with the rack (11); the left side of the base (13) is fixed on a first hydraulic support (51).
3. The hydraulic inter-bracket dust-blocking protection device of claim 2, wherein: the elastic component (12) is a spring.
4. A hydraulic inter-support dust barrier apparatus according to claim 1, 2 or 3, wherein: the ratchet mechanism (2) comprises a gear (21), a plurality of ratchet wheels (22) and a shaft (23), wherein one end of the shaft (23) is provided with the gear (21), the other end of the shaft is connected with a second hydraulic support (52), and the middle section of the shaft (23) is sleeved with the ratchet wheels (22); the gear (21) is matched with the rack (11), and the plurality of ratchet wheels (22) drive the conveyer belt device (4) to move.
5. A hydraulic inter-support dust barrier apparatus according to claim 1, 2 or 3, wherein: the conveyor belt device (4) comprises a conveyor belt (41) and two guide rails (42), wherein the conveyor belt (41) is arranged between the two guide rails (42), and the conveyor belt (41) is matched with a plurality of ratchet wheels (22); the right guide rail (42) is fixed on the second hydraulic support (52).
6. The hydraulic inter-bracket dust-blocking protection device of claim 5, wherein: the surface of the driving belt (41) is provided with a plurality of raised strips.
7. The hydraulic inter-bracket dust-blocking protection device of claim 6, wherein: a hinge structure is arranged in the middle of the guide rail (42).
8. The hydraulic inter-bracket dust barrier apparatus of claim 1, 2, 3 or 6, wherein: the air curtain dustproof device (3) comprises a pipe orifice bracket (31), an air pipe (32) and a plurality of air nozzles (33), wherein the air pipe (32) is fixed on a left guide rail (42) through the pipe orifice bracket (31); a plurality of air nozzles (33) are arranged on the air pipe (32) at equal intervals.
9. The hydraulic inter-bracket dust-blocking protection device of claim 8, wherein: the air nozzle (33) is upward in air injection direction.
10. The hydraulic inter-bracket dust barrier apparatus of claim 9, wherein: the air pipe (32) is a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310396031.2A CN116658232B (en) | 2023-04-10 | 2023-04-10 | Dust-blocking protection device between hydraulic supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310396031.2A CN116658232B (en) | 2023-04-10 | 2023-04-10 | Dust-blocking protection device between hydraulic supports |
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| Publication Number | Publication Date |
|---|---|
| CN116658232A true CN116658232A (en) | 2023-08-29 |
| CN116658232B CN116658232B (en) | 2024-03-19 |
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| CN202310396031.2A Active CN116658232B (en) | 2023-04-10 | 2023-04-10 | Dust-blocking protection device between hydraulic supports |
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|---|---|
| CN116658232B (en) | 2024-03-19 |
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