CN217398268U - Noise protection device for coal mine pneumatic monorail crane - Google Patents
Noise protection device for coal mine pneumatic monorail crane Download PDFInfo
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- CN217398268U CN217398268U CN202220270802.4U CN202220270802U CN217398268U CN 217398268 U CN217398268 U CN 217398268U CN 202220270802 U CN202220270802 U CN 202220270802U CN 217398268 U CN217398268 U CN 217398268U
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Abstract
The utility model discloses a noise protection device for a coal mine pneumatic monorail crane, which comprises a shell, wherein the shell consists of a noise prevention device A, a noise prevention device B and a fixing mechanism, the noise prevention device A and the noise prevention device B are box-shaped, the fixing mechanism is in threaded connection with the bottoms of the noise prevention device A and the noise prevention device B, the noise prevention device A consists of a sound insulation layer A, a sound insulation layer B, a noise receiving pore plate, a transverse plate, an auxiliary wheel and a transverse groove, the sound insulation layer A is fixedly arranged on the inner side wall of the noise prevention device A, the sound insulation layer B is fixedly arranged on the right side of the sound insulation layer A, the noise receiving pore plate is fixedly connected on the right side of the sound insulation layer B, the fixing mechanism consists of a hexagon nut, a bolt and a through hole, the through hole is arranged at the middle end of the bottom of the noise prevention device A, the hexagon nut is fixedly connected on the left side of the through hole, the problem that the noise generated by the friction between the coal mine pneumatic monorail crane and a guide rail can cause harm to a mine roadway is solved, is suitable for wide popularization and application.
Description
Technical Field
The utility model relates to a colliery construction field, in particular to noise protector for pneumatic monorail crane in colliery.
Background
The monorail crane uses a special I-steel hung over the roadway as a track, and is connected into a train set by means of hanging vehicles with various functions, and is drawn by means of traction equipment, and its traction power can be provided by wire rope, diesel engine, accumulator or pneumatic device.
For example, patent No. CN201921489183.2 discloses a noise protection device for a coal mine pneumatic monorail crane, which comprises a connecting spring, wherein extension fixing plates are connected to the outer parts of the two sides of the connecting spring, the top end of each extension fixing plate is connected with a noise protection block main body, the noise protection block main bodies are of uncovered cuboid structures, the opening directions of 2 noise protection block main bodies are opposite, a second silencing block and a first silencing block are connected to the inner part of an opening of the noise protection block main body, the noise protection device for the coal mine pneumatic monorail crane can be conveniently arranged on the two sides of a traveling device of the crane, so that noise during the operation of the traveling device can be absorbed and protected, noise pollution is reduced, the noise protection block main bodies of the noise protection device for the coal mine pneumatic monorail crane are connected through the connecting spring, and 2 noise protection block main bodies can be clamped on the two sides of the traveling device of the crane, thereby absorbing the noise when the walking device runs.
However, when the existing coal mine pneumatic monorail crane is in operation, the whole body is heavy because the box body below the guide wheel is fully filled with objects when the guide wheel is in contact with the I-shaped steel track, so that the guide wheel and the I-shaped steel track inevitably generate larger friction sound when in contact, particularly when in operation such as climbing, steering and the like, the sound is greater under the action of gravity and friction, which is dangerous for working under mines, because the mine way under the mine is fixed by the supports supported on the periphery, the mine way is loose, the noise generated when the guide wheel is in contact with the I-shaped steel track is light, so that miners under the mine can hear the noise for a long time, the eardrum of the miners can be harmed in an untreatable way for a long time, and the sound resonance can be caused for a long time, so that the mine way is collapsed, the life risk of the miners under the mine is seriously harmed, and the noise protection device of the existing pneumatic monorail crane for the coal mine needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a noise protector for pneumatic monorail crane in colliery can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a noise protection device for a coal mine pneumatic monorail crane comprises a shell, wherein the shell is composed of a noise prevention device A, a noise prevention device B and a fixing mechanism, the noise prevention device A and the noise prevention device B are box-shaped, the fixing mechanism is in threaded connection with the bottoms of the noise prevention device A and the noise prevention device B, the noise prevention device A is composed of a sound insulation layer A, a sound insulation layer B, a noise collection pore plate, a transverse plate, an auxiliary wheel and a transverse groove, the sound insulation layer A is fixedly installed on the inner side wall of the noise prevention device A, the sound insulation layer B is fixedly installed on the right side of the sound insulation layer A, the right side of the sound insulation layer B is fixedly connected with the noise collection pore plate, the fixing mechanism is composed of a hexagon nut, a bolt and a through hole, the through hole is formed in the middle end of the bottom of the noise prevention device A, the hexagon nut is fixedly connected on the left side of the through hole, the bolt is in threaded connection with the hexagon nut fixed inside the through hole, the noise-absorbing pore plate in the noise-proof device A guides the noise generated by the guide wheel and the guide rail into the sound-absorbing layer A in the noise-absorbing pore plate, the sound-absorbing layer A is made of rock wool which is an ideal sound-absorbing material, a large number of long and thin fibers form a porous connection structure, the rock wool is determined to be an excellent sound-absorbing and noise-reducing material, the sound is absorbed and reduced, the sound is transmitted to the sound-absorbing layer B, the sound-absorbing layer B is made of glass wool, the fibers in the glass wool are fluffy and staggered, a large number of tiny pores exist, the material is a typical porous sound-absorbing material and has good sound-absorbing characteristics, the noise generated by the guide wheel and the guide rail can be effectively absorbed by the two sound-absorbing layers, the noise-reducing effect is achieved, the problem that the noise generated by friction between the guide wheel and the guide rail in the background art can cause harm to the mine is effectively solved, the noise-proof device A and the noise-proof device B are connected with the hexagon nut in the noise-proof device A through bolt and the thread, the noise control device A and the noise control device B are connected and firm when working.
Furthermore, the transverse plate left side is fixedly connected to the lower portion of the middle of the noise-absorbing hole plate, the transverse plate right side is fixedly connected to the lower portion of the middle of the right side wall of the noise-proof device A, auxiliary wheels are fixedly mounted at the bottom of the transverse plate, transverse grooves are formed in the right side wall of the noise-proof device A in the parallel line direction of the auxiliary wheels and are through, the auxiliary wheels are mounted at the bottoms of the transverse plates fixed to the lower portion of the middle of the noise-absorbing hole plate and the middle of the right side wall of the noise-proof device A in the parallel line direction of the auxiliary wheels and can enable the auxiliary wheels to run on the guide rail instead of a shell, noise generated during running is controlled to the maximum extent, the transverse grooves are formed in the right side wall of the noise-proof device A in the parallel line direction of the auxiliary wheels, and can avoid the lower end transverse guide rail of the I-shaped guide rail.
Furthermore, the outer side wall of the top of the bolt is fixedly provided with the handle, the working environment below the mine tunnel is complex and dark, the handle is additionally arranged, so that a worker can screw the bolt by hand without finding a tool, and the worker can feel in the dark to screw the bolt.
Further, noise control device A top fixed mounting has the overhead backplate, and the overhead backplate can prevent that the disintegrating slag that the ore deposit roof dropped from dropping on the guide rail, leads to the guide rail jam, and the guide pulley is unable to be operated.
Further, the whole internal concrete structure of noise control device B is symmetrical structure with the inside concrete structure of noise control device A, and noise control device B passes through bolted connection and fixes the hexagon nut in noise control device A through hole is inside, and the whole internal concrete structure of noise control device B is symmetrical structure with the inside concrete structure of noise control device A, and this technical scheme can wrap the guide pulley of guide rail both sides completely, inhales the sound simultaneously, falls the noise to firmly fix the two through bolt threaded connection hexagon nut.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the technical scheme of the double-layer sound insulation layer is used, noise generated by the guide wheel and the guide rail is guided into the sound insulation layer A in the sound insulation hole plate by the sound insulation hole plate in the noise prevention device A, the sound insulation layer A is made of rock wool which is an ideal sound insulation material, a large number of long and thin fibers form a porous connection structure, the rock wool is determined to be an excellent sound absorption and noise reduction material, sound is absorbed and reduced and is transmitted to the sound insulation layer B, the sound insulation layer B is made of glass wool, fibers in the glass wool are fluffy and staggered, a large number of tiny pores exist, the sound insulation layer A is a typical porous sound absorption material and has good sound absorption characteristics, the two sound insulation layers can effectively absorb the noise generated by the guide wheel and the guide rail, thereby reach the effect of making an uproar of falling, the effectual noise that produces of guide pulley and guide rail friction in the background art that has solved can cause the problem of harm to the ore deposit way.
2. The auxiliary wheels are arranged at the bottom of the transverse plate which is fixed below the middle of the noise-collecting hole plate and in the middle of the right side wall of the noise-proof device A, the auxiliary wheels can enable the noise-proof device A to run on the guide rail instead of the shell, the running noise is controlled to the maximum extent, a transverse groove is formed in the right side wall of the noise-proof device A in the direction parallel to the auxiliary wheels, the transverse groove can avoid a transverse guide rail at the lower end of an I-shaped guide rail, and the noise-proof device A can run smoothly without scratching the guide rail.
3. The whole internal concrete structure of noise control device B and the internal concrete structure of noise control device A are symmetrical structure, and this technical scheme can wrap the guide pulley of guide rail both sides completely, inhales the sound, falls and makes an uproar to it simultaneously to firmly fix the two through bolt threaded connection hexagon nut, solved general noise protector and used the long easy metal fatigue of spring coupling time and the problem that became invalid.
Drawings
FIG. 1 is the utility model relates to a noise protector for pneumatic monorail crane in colliery's overall structure schematic diagram.
FIG. 2 is the utility model relates to a noise protector's for pneumatic monorail crane in colliery left visual angle section structure schematic diagram.
In the figure: 1. a housing; 2. a noise control device A; 3. a fixing mechanism; 4. a noise preventing device B; 201. a guard plate is arranged at the top; 202. a sound insulation layer A; 203. a sound insulating layer B; 204. a noise-receiving pore plate; 205. a transverse plate; 206. an auxiliary wheel; 207. a transverse groove; 301. a hexagonal nut; 302. a bolt; 303. a handle; 304. a through hole.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, a noise protector for a coal mine pneumatic monorail crane comprises a housing 1, wherein the housing 1 is composed of a noise-proof device A2, a noise-proof device B4 and a fixing mechanism 3, the noise-proof device A2 and the noise-proof device B4 are box-shaped, the fixing mechanism 3 is in threaded connection with the bottoms of the noise-proof device A2 and the noise-proof device B4, the noise-proof device A2 is composed of a sound-proof layer a202, a sound-proof layer B203, a noise-receiving hole plate 204, a transverse plate 205, an auxiliary wheel 206 and a transverse groove 207, the sound-proof layer a202 is fixedly arranged on the inner side wall of the noise-proof device A2, the sound-proof layer B203 is fixedly arranged on the right side of the sound-proof layer a202, the noise-receiving hole plate 204 is fixedly connected on the right side of the sound-proof layer B203, the fixing mechanism 3 is composed of a hexagon nut 301, a bolt 302 and a through hole 304, the through hole 304 is arranged at the middle end of the bottom of the noise-proof device A2, the hexagon nut 301 is fixedly connected to the left side of the through hole 304, the bolt 302 is in threaded connection through a hexagon nut 301 fixed inside a through hole 304, the noise-absorbing hole plate 204 inside the noise-proof device A2 guides the noise generated by the guide wheel and the guide rail into the sound-absorbing layer A202 inside the noise-absorbing hole plate 204, the material of the sound-absorbing layer A202 is rock wool, which is an ideal sound-absorbing material, a large amount of long and thin fibers form a porous connection structure, the rock wool is determined to be an excellent sound-absorbing and noise-reducing material, the sound is absorbed and reduced, the sound is transmitted to the sound-absorbing layer B203, the sound-absorbing layer B203 adopts glass wool and the fibers inside the glass wool are staggered, a large amount of tiny pores exist, the material is a typical porous sound-absorbing material, the material has good sound-absorbing property, the two sound-absorbing layers can effectively absorb the noise generated by the guide wheel and the guide rail, thereby achieving the noise-reducing effect, and effectively solving the problem that the noise generated by the friction between the guide wheel and the guide rail in the background technology can cause harm to the mine roadway, the noise prevention device A2 and the noise prevention device B4 are connected with the hexagon nut 301 inside the noise prevention device A2 in a threaded mode through the bolt 302, and therefore the noise prevention device A2 and the noise prevention device B4 are connected and firm in operation.
The left side of the transverse plate 205 is fixedly connected to the lower portion of the middle of the noise-receiving hole plate 204, the right side of the transverse plate 205 is fixedly connected to the lower portion of the middle of the right side wall of the noise-proof device A2, the bottom of the transverse plate 205 is fixedly provided with the auxiliary wheel 206, the transverse groove 207 is formed in the right side wall of the noise-proof device A2 in the parallel line direction of the auxiliary wheel 206 and is in a through type, the auxiliary wheel 206 is installed at the bottom of the transverse plate 205 fixed to the lower portion of the middle of the noise-receiving hole plate 204 and the middle of the right side wall of the noise-proof device A2, the auxiliary wheel 206 can enable the noise-proof device A2 to run on the guide rail by using the auxiliary wheel 206 instead of the shell 1, noise during running is controlled to the maximum extent, the transverse groove 207 is formed in the right side wall of the noise-proof device A2 in the parallel line direction of the auxiliary wheel 206, and the transverse groove 207 can avoid the transverse guide rail at the lower end of the I-shaped guide rail.
The outer side wall of the top of the bolt 302 is fixedly provided with the handle 303, the working environment below the mine tunnel is complex and dark, the bolt 302 can be screwed down by a worker through the handle 303, a tool does not need to be found, and the bolt 302 is required to be screwed down in the dark.
The top of the noise-proof device A2 is fixedly provided with an overhead guard plate 201, and the overhead guard plate 201 can prevent slag falling from the top of the mine tunnel from falling on the guide rail, so that the guide rail is blocked and the guide wheel cannot run.
The whole internal specific structure of the noise-proof device B4 and the internal specific structure of the noise-proof device A2 are of a symmetrical structure, the noise-proof device B4 is connected and fixed to the hexagon nut 301 inside the through hole 304 of the noise-proof device A2 through the bolt 302, the whole internal specific structure of the noise-proof device B4 and the internal specific structure of the noise-proof device A2 are of a symmetrical structure, the guide wheels on two sides of the guide rail can be completely wrapped by the technical scheme, sound absorption and noise reduction are simultaneously performed on the guide wheel, and the guide wheel and the noise-proof device A2 are firmly fixed through the bolt 302 in threaded connection with the hexagon nut 301.
It should be noted that the utility model relates to a noise protector for coal mine pneumatic monorail crane, when working, firstly, the whole internal structure of noise-proof device B4 and the internal structure of noise-proof device A2 are symmetrical, the through transverse slot 207 of noise-proof device A2 and noise-proof device B4 are aligned with the two sides of the transverse guide rail at the bottom of the guide rail and combined, after combination, bolt 302 is inserted into the through hole 304 of noise-proof device A2 and noise-proof device B4, and is fixed by hexagon nut 301 fixed in the through hole 304 of noise-proof device A2, if the lighting in the mine cavity is dim, the worker can fix the noise protector in rotation by the handle 303 fixed at the top outer side of bolt 302, no tool needs to be found to reinforce the noise protector, the noise protector can be used after the installation, the auxiliary wheel 206 is installed at the bottom of the transverse plate 205 fixed at the middle part of noise-proof device A2 and the middle part of right side wall of noise-proof device A2, the auxiliary wheel 206 can be operated on the guide rail by the auxiliary wheel 206, but not the shell 1, the noise during operation is controlled to the maximum extent, the right side wall of the noise-proof device A2 in the parallel line direction of the auxiliary wheel 206 is provided with a transverse groove 207, the transverse groove 207 can avoid the transverse guide rail at the lower end of the I-shaped guide rail, so that the noise-proof device A2 can operate smoothly without scratching the guide rail, the overhead guard plate 201 arranged at the top of the noise-proof device A2 can prevent slag falling from the top of the mine from falling on the guide rail to cause the guide rail to be blocked and the guide wheel cannot operate, the technical scheme uses a double-layer noise insulation layer, the noise-absorbing pore plate 204 in the noise-proof device A2 guides the noise generated by the guide wheel and the guide rail into the noise-absorbing and noise-insulating layer A202 in the noise-absorbing pore plate 204, the noise-absorbing and noise-reducing layer A202 is made of rock wool, which is an ideal noise-insulating material, a large amount of slender fibers form a porous connection structure, and the rock wool is determined to be an excellent sound-absorbing and noise-reducing material, sound transmits puigging B203 again, what puigging B203 adopted makes the glass cotton, the cotton inside fibre of glass is fluffy crisscross, has a large amount of tiny holes, is typical porousness sound-absorbing material, has good sound absorption characteristic, two-layer puigging can be effectual with the produced noise absorption of guide pulley and guide rail to reach the effect of making an uproar of falling, the effectual produced noise of guide pulley and guide rail friction of having solved can cause the problem of harm to the mine road.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a noise protector for pneumatic monorail crane in colliery, includes casing (1), its characterized in that: the shell (1) is composed of a noise-proof device A (2), a noise-proof device B (4) and a fixing mechanism (3), the noise-proof device A (2) and the noise-proof device B (4) are box-shaped, the fixing mechanism (3) is in threaded connection with the bottoms of the noise-proof device A (2) and the noise-proof device B (4), the noise-proof device A (2) is composed of a sound insulation layer A (202), a sound insulation layer B (203), a noise-receiving pore plate (204), a transverse plate (205), an auxiliary wheel (206) and a transverse groove (207), the sound insulation layer A (202) is fixedly installed on the inner side wall of the noise-proof device A (2), the sound insulation layer B (203) is fixedly installed on the right side of the sound insulation layer A (202), the noise-receiving pore plate (204) is fixedly connected with the right side of the sound insulation layer B (203), and the fixing mechanism (3) is composed of a hexagon nut (301), a bolt (302) and a through hole (304), the through hole (304) is formed in the middle end of the bottom of the noise-proof device A (2), the hexagonal nut (301) is fixedly connected to the left side of the through hole (304), and the bolt (302) is in threaded connection through the hexagonal nut (301) fixed inside the through hole (304).
2. The noise protection device for a coal mine pneumatic monorail crane of claim 1, wherein: diaphragm (205) left side fixed connection is in receipts hole board (204) middle part below of making an uproar, and diaphragm (205) right side fixed connection is in noise control device A (2) right side wall middle part below, diaphragm (205) bottom fixed mounting has auxiliary wheel (206), transverse groove (207) have been seted up on auxiliary wheel (206) parallel line direction noise control device A (2) the right side wall, and transverse groove (207) are through-type.
3. The noise protection device for the coal mine pneumatic monorail crane according to claim 1, wherein: and a handle (303) is fixedly arranged on the outer side wall of the top of the bolt (302).
4. The noise protection device for the coal mine pneumatic monorail crane according to claim 1, wherein: an overhead guard plate (201) is fixedly arranged at the top of the noise-proof device A (2).
5. The noise protection device for the coal mine pneumatic monorail crane according to claim 1, wherein: the whole internal specific structure of the noise-proof device B (4) and the internal specific structure of the noise-proof device A (2) are of a symmetrical structure, and the noise-proof device B (4) is fixedly connected with a hexagon nut (301) in a through hole (304) of the noise-proof device A (2) through a bolt (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220270802.4U CN217398268U (en) | 2022-02-10 | 2022-02-10 | Noise protection device for coal mine pneumatic monorail crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220270802.4U CN217398268U (en) | 2022-02-10 | 2022-02-10 | Noise protection device for coal mine pneumatic monorail crane |
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| CN217398268U true CN217398268U (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220270802.4U Active CN217398268U (en) | 2022-02-10 | 2022-02-10 | Noise protection device for coal mine pneumatic monorail crane |
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