CN111749622A - Silencer of pneumatic rock drill - Google Patents
Silencer of pneumatic rock drill Download PDFInfo
- Publication number
- CN111749622A CN111749622A CN201910238562.2A CN201910238562A CN111749622A CN 111749622 A CN111749622 A CN 111749622A CN 201910238562 A CN201910238562 A CN 201910238562A CN 111749622 A CN111749622 A CN 111749622A
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- CN
- China
- Prior art keywords
- silencing
- noise reduction
- pneumatic
- rock drill
- reduction box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
Abstract
The invention relates to a silencing device of a pneumatic rock drill, which comprises silencing plates, a pneumatic airflow net, a conversion socket, a groove plate, a silencing sheet, a noise reduction box, a decibel meter, a vacuum baffle, a tapping hinge, a permanent magnet, a power interface, a circulating dust filtering pipe, a fan, a carbon fiber plate and a silencing box, wherein the silencing plates are fixedly arranged on the left side and the right side of the front panel of the noise reduction box, the silencing boxes are fixedly arranged between the silencing plates, the interior of the silencing boxes is electrically connected with the fan, and the pneumatic airflow net is fixedly arranged above the silencing plates. After the silencing device of the pneumatic rock drill works, a plurality of fixing structures are arranged inside the silencing device, the box body is accurately supported and stabilized, the pneumatic rock drill works more stably and reliably when exhausting and silencing are conducted, the quality of a product is improved, meanwhile, a guarantee is further provided for the pneumatic rock drill to use in pneumatic rock drilling, and the space is saved.
Description
Technical Field
The invention relates to the technical field of silencing devices, in particular to a silencing device of a pneumatic rock drill.
Background
The existing exhaust silencer used on the pneumatic rock drill is only a single-section expansion chamber silencing cover for reducing the exhaust speed, and although the structure is simple and the volume is small, the silencing effect is poor. In order to obtain higher noise elimination quantity, a plurality of expansion chambers are connected in series, and porous or fibrous sound absorption linings are laid on the inner walls of the expansion chambers or combined structures such as a resonance sound absorption cavity, an ejector and the like are arranged. However, since the air-driven rock drill exhausts a high-speed pulsating air flow, the noise intensity of the air-driven rock drill is not only related to the exhaust speed, but also depends on the pressure pulsation of the exhausted waste gas, and the silencer has the defects of insufficient silencing quantity, overlarge volume, complex structure and the like.
And the existing traditional pneumatic rock drill is inconvenient to produce, transport and construct, and the effect of solving the problems is not ideal. And the sizes of the devices are different, the overlarge heat-insulation noise-reduction equipment occupies a large space and is inconvenient to store, the devices do not work, the attractiveness and the operation are affected, the occupied space and time are large, and the resources are seriously wasted. The volume ratio of traditional machine case is great, needs the power moreover, has certain restriction in the in-service use process, provides a pneumatic rock drill's silencing device for this application.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the silencing device of the pneumatic rock drill to solve the problems in the background technology.
In order to improve the problems, the invention is embodied by the following technical scheme: a silencing device of a pneumatic rock drill comprises a silencing plate, a pneumatic air flow net, a conversion socket, a groove plate, a silencing sheet, a noise reduction box, a decibel meter, vacuum baffles, tapping hinges, a permanent magnet, a power supply interface, a circulating dust filtering pipe, a fan, a carbon fiber plate and a silencing box, wherein the silencing plate is fixedly installed on the left side and the right side of the front panel of the noise reduction box, the silencing box is fixedly arranged between the silencing plates, the interior of the silencing box is electrically connected with the fan, the pneumatic air flow net is fixedly arranged above the silencing plate, the conversion socket is fixedly installed on the left side of the upper surface of the noise reduction box, the vacuum baffle is fixedly installed in the middle of the box body of the noise reduction box, the vacuum baffle is fixedly connected with the lower end of the groove plate, the silencing sheet is fixedly arranged on the groove plate, the decibel meter is fixedly arranged on the right side of the upper surface of the noise reduction box, the, one end of the shunting hinge is fixedly connected with the permanent magnet, a power supply interface is fixedly arranged at the lower end of the side face of the noise reduction box, the bottom end of the noise reduction box is movably connected with the carbon fiber plate, the side face of the carbon fiber plate is fixedly connected with the protective sleeve, and the right end of the protective sleeve is fixedly connected with the circulating dust filtering pipe.
As a preferred embodiment of the present invention, the number of the sound-absorbing panel, the tapping hinge, the decibel meter, the conversion socket, and the groove plate is two, the number of the sound-absorbing sheet is four, and the right end of the protective sleeve and the circulating dust filter pipe are in a pipe sleeve sleeving structure.
In a preferred embodiment of the invention, the circulating dust filter pipe is a leather antifreezing water pipe which penetrates through the carbon fiber plate from the side and is connected with the water tank of the rock drill.
In a preferred embodiment of the present invention, the sound-absorbing board is a three-dimensional embedded net structure made of shock-absorbing and sound-absorbing melamine foam materials.
In a preferred embodiment of the present invention, the noise reduction box is a three-layer structure including a vacuum layer and a functional layer, and the vacuum baffle is fixedly mounted in the middle of the noise reduction box for shock absorption and noise reduction.
The invention has the beneficial effects that: the invention relates to a silencing device of a pneumatic rock drill, which comprises a silencing board, a pneumatic airflow net, a conversion socket, a groove plate, a silencing sheet, a noise reduction box, a decibel meter, a vacuum baffle, a tapping hinge, a permanent magnet, a power interface, a circulating dust filtering pipe, a fan, a carbon fiber plate, a silencing box and a protective sleeve.
1. This pneumatic rock drill's silencing device during operation is equipped with a plurality of fixed knot through inside, like the shunting hinge to and use the permanent magnet fixed etc. accurate bearing and the firm of box, pneumatic rock drill work when the exhaust amortization more stable reliable, improved the quality of product, further provide the guarantee for its use in pneumatic rock drill simultaneously.
2. After the silencer of the pneumatic rock drill works, the carbon fiber plate penetrating through the circulating dust filtering pipe is arranged at the bottom end, the carbon fiber plate can reduce vibration and reduce noise to enable the box body to be stable, the circulating dust filtering pipe can filter and absorb waste gas and waste materials in the rock drilling process, and the silencer can also perform silencing operation, so that the product quality is better, and the waste of raw materials is avoided.
3. This pneumatic rock drill's silencing device is through the amortization that takes precautions against earthquakes in the structure, vacuum layer and functional layer three layer construction, the one deck at the forefront is each functional layer, be equipped with and connect socket and amortization version, hush piece and decibel meter in addition, reach the noise cancelling effect as far as, the monitoring that also can be better simultaneously, can charge and blow, also can pneumatic amortization simultaneously, the centre is vacuum baffle, it makes an uproar to fall, the rearmost is for supporting the heat dissipation layer, three layer construction is more reliable has reached the amortization of pneumatic rock drill exhaust during operation, the space has been practiced thrift.
The invention makes up for the defects in the background technology to a certain extent.
Drawings
FIG. 1 is a schematic view of a silencer assembly for a pneumatic rock drill according to the present invention;
fig. 2 is a schematic top view of a silencer assembly for a pneumatic rock drill according to the present invention.
In the figure: 1. the noise reduction device comprises a noise reduction plate, 2, a pneumatic airflow net, 3, a conversion socket, 4, a groove plate, 5, a noise reduction sheet, 6, a noise reduction box, 7, a decibel meter, 8, a vacuum baffle, 9, a tapping hinge, 10, a permanent magnet, 11, a power supply interface, 12, a circulating dust filtering pipe, 13, a fan, 14, a carbon fiber plate, 15, a noise reduction box, 16 and a protective sleeve.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a silencing device of a pneumatic rock drill comprises a silencing plate 1, a pneumatic airflow net 2, a conversion plug socket 3, a groove plate 4, a silencing sheet 5, a noise reduction box 6, a decibel meter 7, a vacuum baffle 8, a tapping hinge 9, a permanent magnet 10, a power supply interface 11, a circulating dust filtering pipe 12, a fan 13, a carbon fiber plate 14 and a silencing box 15, wherein the silencing plate 1 is fixedly installed on the left side and the right side of the front panel of the noise reduction box 6, the silencing box 15 is fixedly arranged between the silencing plates 1, the interior of the silencing box 15 is electrically connected with the fan 13, the pneumatic airflow net 2 is fixedly arranged above the silencing plate 1, the conversion plug socket 3 is fixedly installed on the left side of the upper surface of the noise reduction box 6, a vacuum baffle 8 is fixedly installed in the middle of the box body of the noise reduction box 6, the vacuum baffle 8 is fixedly connected with the lower end of the groove plate 4, the silencing sheet 5 is fixedly arranged, the utility model discloses a noise reduction box 6, including noise reduction box 6, fixed decibel meter 7 that is equipped with in upper surface right side of noise reduction box 6, the fixed shunting hinge 9 that is equipped with in side middle part on noise reduction box 6's upper surface right side, shunting hinge 9's one end and permanent magnet 10 fixed connection, noise reduction box 6's the fixed power source 11 that is equipped with of side lower extreme, noise reduction box 6 bottom and 14 swing joint of carbon fiber plate, 14 sides of carbon fiber plate and protective sheath 16 fixed connection, the right-hand member and the circulation dust filtration pipe 12 fixed connection of protective sheath 16.
The working principle is as follows: when this scheme of use, pneumatic rock drill's silencing device main part is noise reduction box 6, its structure whole forms fixed cuboid three-layer box structure, can inspect each mechanical structure intact degree earlier before the use, install the use to it, its structure divide into the three-layer, the heat dissipation layer respectively, vacuum layer and functional layer three-layer structure, the one deck in the forefront is the functional layer, be equipped with acoustical panel 1, pneumatic air current net 2, conversion socket 3, recess board 4 and fan 13, it can charge thing and USB, and for can also can blow through fan 13, also can pneumatic amortization simultaneously, the middle vacuum baffle 8 that is, directly block sound propagation, the rearmost is the support heat dissipation layer, its both sides are shunting hinge 9, can adsorb in pneumatic rock drilling through permanent magnet 10 on shunting hinge 9, the space has been practiced thrift, it is also more stable.
As a preferred embodiment of the present invention, the number of the sound-absorbing panel 1, the tapping hinge 9, the decibel meter 7, the conversion socket 3, and the groove panel 4 is two, the number of the sound-absorbing sheet 5 is four, and the right end of the protective sleeve and the circulating dust filter pipe are in a pipe sleeve sleeving structure.
In a preferred embodiment of the invention, the circulating dust filter pipe 12 is a leather antifreeze water pipe which penetrates through the carbon fiber plate 14 from the side and is connected with a rock drill water tank.
In a preferred embodiment of the present invention, the sound-absorbing board 1 is a three-dimensional embedded net structure made of melamine foam material capable of absorbing and absorbing sound.
In a preferred embodiment of the present invention, the noise reduction box 6 is made of a three-layer structure of a vacuum layer and a functional layer, wherein the vacuum baffle 8 is fixedly arranged in the middle of the noise reduction box for shock resistance and noise reduction.
The invention has the main outstanding characteristics that: this pneumatic rock drill's silencing device during operation is equipped with a plurality of fixed knot through inside and constructs like shunting hinge 9 to and use 10 solid fixed etc. of permanent magnetism, the bearing of accurate box with firm, pneumatic rock drill work when the exhaust amortization more reliable stable, improved the quality of product, further provide the guarantee for its use in pneumatic rock drill simultaneously.
After the silencer of the pneumatic rock drill works, the carbon fiber plate 14 penetrating through the circulating dust filtering pipe 12 is arranged at the bottom end, the carbon fiber plate 14 can absorb shock and reduce noise to enable the box body to be stable, the circulating dust filtering pipe can filter and absorb waste gas and waste materials in the rock drilling process, and silencing operation can be carried out, so that the product quality is better, and waste of raw materials is avoided.
This silencing device of pneumatic rock drill is through the amortization that takes precautions against earthquakes in the structure, vacuum layer and functional layer three layer construction, the one deck at the forefront is each functional layer, be equipped with and connect socket and amortization version, hush piece and decibel meter in addition, reach the noise cancelling effect as far as, simultaneously also can better monitoring 7, can charge and blow, simultaneously also can pneumatic amortization, the centre is vacuum baffle 8, it makes an uproar to fall, the rearmost is for supporting the heat dissipation layer, three layer construction is more reliable has reached the amortization of pneumatic rock drill exhaust during operation, the space has been practiced thrift.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A silencing device of a pneumatic rock drill comprises a silencing plate (1), a pneumatic air flow net (2), a conversion socket (3), a groove plate (4), a silencing sheet (5), a noise reduction box (6), a decibel meter (7), a vacuum baffle (8), tapping hinges (9), permanent magnets (10), a power interface (11), a circulating dust filtering pipe (12), a fan (13), a carbon fiber plate (14), a silencing box (15) and a protective sleeve (16), and is characterized in that the silencing plate (1) is fixedly installed on the left side and the right side of a front panel of the noise reduction box (6), the silencing box (15) is fixedly arranged between the silencing plates (1), the interior of the silencing box (15) is electrically connected with the fan (13), the pneumatic air flow net (2) is fixedly arranged above the silencing plate (1), the conversion socket (3) is fixedly installed on the left side of the upper surface of the noise reduction box (6), fixed mounting has vacuum baffle (8) in the middle of the box of noise reduction box (6), vacuum baffle (8) go up with recess board (4) lower extreme fixed connection, the fixed amortization piece (5) that is equipped with on recess board (4), the fixed decibel meter (7) that is equipped with in upper surface right side of noise reduction box (6), the fixed shunting hinge (9) that is equipped with in side middle part on the upper surface right side of noise reduction box (6), the one end and the permanent magnet (10) fixed connection of shunting hinge (9), the fixed power source (11) that is equipped with of side lower extreme of noise reduction box (6), noise reduction box (6) bottom and carbon fiber plate (14) swing joint, carbon fiber plate (14) side and protective sheath (16) fixed connection, the right-hand member and the circulation of protective sheath (16) strain dirt pipe (12) fixed connection.
2. The silencer of the pneumatic rock drill according to claim 1, characterized in that the number of the silencer boards (1), the tapping hinges (9), the decibel meters (7), the conversion socket (3) and the groove plates (4) is two, the number of the silencer blades (5) is four, and the right end of the protective sleeve (16) and the circulating dust filter pipe (12) are of a pipe sleeve sleeving structure.
3. A silencer device for pneumatic rock drills according to claim 1, characterised in that the circulating dust filter pipe (12) is a leather frost water pipe running through the carbon fibre plate (14) from the side and connected to the rock drill water tank.
4. The silencing device of the pneumatic rock drill according to claim 1, wherein the silencing plate (1) is a three-dimensional net-embedded structure made of melamine foam materials capable of absorbing shock and silencing sound.
5. The silencer of the pneumatic rock drill according to claim 1, characterized in that the noise reduction box (6) is shock-proof and noise-reduction by a vacuum baffle (8) fixedly installed in the middle, and the vacuum layer and the functional layer are of three-layer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238562.2A CN111749622A (en) | 2019-03-27 | 2019-03-27 | Silencer of pneumatic rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238562.2A CN111749622A (en) | 2019-03-27 | 2019-03-27 | Silencer of pneumatic rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111749622A true CN111749622A (en) | 2020-10-09 |
Family
ID=72672334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910238562.2A Withdrawn CN111749622A (en) | 2019-03-27 | 2019-03-27 | Silencer of pneumatic rock drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111749622A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205307U (en) * | 1986-07-15 | 1987-02-25 | 孔祥清 | Dissipative muffler for pneumatic quarrying machine |
| CN2108801U (en) * | 1991-11-23 | 1992-07-01 | 煤炭科学研究总院杭州环境保护研究所 | Exhausting silencer of wind-power rock drill |
| US6199656B1 (en) * | 1998-09-29 | 2001-03-13 | Sandvik Ab | Casing for noise attenuation in a rock drilling rig |
| CN201254947Y (en) * | 2008-09-19 | 2009-06-10 | 上海大屯能源股份有限公司 | Silencing device of rock drill |
| CN203347684U (en) * | 2013-06-30 | 2013-12-18 | 白银有色集团股份有限公司 | Rock drill silencer |
| CN107740674A (en) * | 2017-11-02 | 2018-02-27 | 高峰 | A kind of rock drill with sound insulation function |
-
2019
- 2019-03-27 CN CN201910238562.2A patent/CN111749622A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205307U (en) * | 1986-07-15 | 1987-02-25 | 孔祥清 | Dissipative muffler for pneumatic quarrying machine |
| CN2108801U (en) * | 1991-11-23 | 1992-07-01 | 煤炭科学研究总院杭州环境保护研究所 | Exhausting silencer of wind-power rock drill |
| US6199656B1 (en) * | 1998-09-29 | 2001-03-13 | Sandvik Ab | Casing for noise attenuation in a rock drilling rig |
| CN201254947Y (en) * | 2008-09-19 | 2009-06-10 | 上海大屯能源股份有限公司 | Silencing device of rock drill |
| CN203347684U (en) * | 2013-06-30 | 2013-12-18 | 白银有色集团股份有限公司 | Rock drill silencer |
| CN107740674A (en) * | 2017-11-02 | 2018-02-27 | 高峰 | A kind of rock drill with sound insulation function |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201009 |
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| WW01 | Invention patent application withdrawn after publication |