CN110500139A - A kind of pneumatic device of low noise drilling machine - Google Patents
A kind of pneumatic device of low noise drilling machine Download PDFInfo
- Publication number
- CN110500139A CN110500139A CN201910882818.3A CN201910882818A CN110500139A CN 110500139 A CN110500139 A CN 110500139A CN 201910882818 A CN201910882818 A CN 201910882818A CN 110500139 A CN110500139 A CN 110500139A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- cover board
- drilling machine
- end cover
- pneumatic device
- Prior art date
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 208000002925 dental caries Diseases 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 3
- 239000007858 starting material Substances 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 208000009205 Tinnitus Diseases 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 231100000886 tinnitus Toxicity 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/14—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/02—Arrangements for drive of co-operating members, e.g. for rotary piston and casing of toothed-gearing type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/18—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Details Of Gearings (AREA)
Abstract
Coal mining equipment technical field of the present invention, and disclose a kind of pneumatic device of low noise drilling machine, including cabinet, gear assembly, output gear shaft, air inlet, exhaust pipe, inner end cover board and outer end cover board, the both sides of the face of the cabinet are separately installed with inner end cover board and outer end cover board, the output gear shaft is sequentially connected with output outer shaft, the cabinet is in oblateness, the symmetrically arranged acting cavity of at least two groups is equipped in the cabinet, the gear assembly includes three groups of structure cooperation driving wheels and driven wheel.The pneumatic device of the low noise drilling machine; intake method and exhaust mode are optimized; considerably reduce the noise of starter generation; simultaneously; provided with low module helical gear, it further reduced the noise that air acting and gear drive generate, further decrease noise; the working environment for optimizing worker, protects injury of worker's operation body from noise to human body.
Description
Technical field
The present invention relates to technical field of coal exploitation, specially a kind of pneumatic device of low noise drilling machine.
Background technique
Existing coal mine drilling machine pneumatic device does work using two axis, single air intake duct, single port, and cooperation muffler makes
With.Experiment shows when air pressure reaches 7 kilograms or more, even if directly opening intake valve, air-flow out not over acting
The noise of generation is also huge.The prior art is to squeeze to generate kinetic energy by two groups of teeth wheel, is discharged after high pressure draught acting
Air-flow, the noise of red ear so that the air-flow ejected becomes to scream.All nobody can break through this problem in decades, this huge
Big noise injury, for a long time under such working environment, worker is easy deaf, tinnitus and generates, and causes greatly to hurt to body
Evil.
Summary of the invention
For the deficiency of above-mentioned background technique, the present invention provides a kind of technical sides of the pneumatic device of low noise drilling machine
Case, has the advantages that environmentally protective, reduces occupational disease, protects injury of worker's operation body from noise to human body, beneficial
In Social benefit and economic benefit.
The invention provides the following technical scheme: a kind of pneumatic device of low noise drilling machine, including it is cabinet, gear assembly, defeated
Gear shaft, air inlet, exhaust pipe, inner end cover board and outer end cover board, the both sides of the face of the cabinet are separately installed with inner end out
Cover board and outer end cover board, the output gear shaft are sequentially connected with output outer shaft, and the cabinet is in oblateness, set in the cabinet
There is the symmetrically arranged acting cavity of at least two groups, the gear assembly includes multiple groups structure cooperation driving wheel and driven wheel, is divided
It Dui Ying and not be located in each acting cavity, output gear shaft, the gear assembly and output be installed in the middle part of the cabinet
Gear spindle drive connection, the surface of the cabinet are equipped with air inlet, and the air inlet is located between two acting cavitys, and each
The air inlet is all provided with that there are two air intake ducts to be respectively communicated with the acting cavitys of two sides, there are six each acting cavity is connected to
Exhaust pipe, and size, height, length, direction and the radian of each exhaust pipe are all different.
Preferably, the gear assembly includes driven wheel, driving wheel and input shaft, and the driving wheel is fixed with input shaft
Connection, the driving wheel and input shaft use 1.5 modulus helical teeth specifications designs, and the input shaft and output gear shaft transmission connect
It connects, the output gear shaft uses 1.5 modulus helical teeth specifications designs.
Preferably, the gear two sides of the driven wheel and driving wheel are equipped with anti-gas-leak clamping plate, and the clamping plate is by spheroidal graphite cast-iron
Or brass material is made.
Preferably, limiting groove is equipped among the wheel shaft of the driven wheel (21).
Preferably, the aperture of the exhaust pipe is greater than the aperture of air inlet, and the exhaust pipe length is at 90-120 millimeters
Between, between the bore radian 30-60 degree of both ends, the radian of the air intake duct of the air inlet is between 120-150 degree.
Preferably, equal sealed set between the cabinet and inner end cover board and outer end cover board.
Preferably, the quantity of the acting cavity is 2-4 group, and the cavity that does work is using the axis of output gear shaft as symmetry axis
Symmetrically.
The present invention have it is following the utility model has the advantages that
The pneumatic device of the low noise drilling machine, optimizes intake method and exhaust mode, considerably reduces starter
The noise of generation, meanwhile, it is provided with low module helical gear, further reduced the noise that air acting and gear drive generate,
Noise is further decreased, the working environment of worker is optimized, protects injury of worker's operation body from noise to human body.It is beneficial to
Social benefit and economic benefit.
Detailed description of the invention
Fig. 1 is assembling figure of the invention；
Fig. 2 is entirety sectional view of the invention；
Fig. 3 is exhaust pipe enlarged drawing in structure of the invention；
Fig. 4 is present invention removal end cap top view；
Fig. 5 is exhaust pipe lateral surface structural schematic diagram of the present invention；
Fig. 6 is exhaust pipe medial surface structural schematic diagram of the present invention；
Fig. 7 is the structural schematic diagram of middle clamp plate of the present invention.
In figure: 1, cabinet；2, gear assembly；21, driven wheel；21A, limiting groove；22, driving wheel；23, input shaft；3,
Output gear shaft；4, air inlet；4A, air intake duct；5, exhaust pipe；6, inner end cover board；7, outer end cover board；8, do work cavity；9,
Export outer shaft；10, stainless (steel) wire；11, clamping plate；111, clamping plate A；112, clamping plate B；113, clamping plate a；114, clamping plate b.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-7, a kind of pneumatic device of low noise drilling machine, including cabinet 1, gear assembly 2, output gear shaft 3,
Air inlet 4, exhaust pipe 5, inner end cover board 6 and outer end cover board 7, the both sides of the face of cabinet 1 are separately installed with inner end cover board 6 and outer
End casing 7, output gear shaft 3 are sequentially connected with output outer shaft 9, and being inserted into the axis hole of output gear shaft 3 for output outer shaft 9 is defeated
Gear shaft 3 and output outer shaft 9 engage out, and cabinet 1 reduces air pulsation, be equipped at least two groups in cabinet 1 and symmetrically set in oblateness
The acting cavity 8 set, acting cavity numbers are three groups in the present embodiment, are arranged in 120 degree angles, gear assembly 2 includes multiple groups
Structure cooperates driving wheel and driven wheel, respectively corresponds and is located in each acting cavity 8, the middle part of cabinet 1 is equipped with output gear
Wheel shaft 3, gear assembly 2 and output gear shaft 3 are sequentially connected, and high pressure draught, which enters in cavity, revolves driving wheel, driven wheel high speed
Change the line of production it is lively can, kinetic energy is driven by the input gear axle that driving wheel connects, and the surface of cabinet 1 is set there are three air inlet 4, into
Port 4 is located between two acting cavitys 8, and each air inlet 4 be all provided with there are two air intake duct 4A be respectively communicated with the actings of two sides
Cavity 8, each acting cavity 8 is connected to there are six exhaust pipe 5, and the size of each exhaust pipe 5, height, length, direction
It is all different with radian, the excircle of cabinet 1 is equipped with stainless (steel) wire 10.
Wherein, gear assembly 2 includes driven wheel 21, driving wheel 22 and input shaft 23, and driving wheel 22 and input shaft 23 are solid
Fixed connection, driving wheel 22 and input shaft 23 use 1.5 modulus helical teeth specifications designs, and input shaft 23 and the transmission of output gear shaft 3 connect
It connects, output gear shaft 3 uses 1.5 modulus helical teeth specifications designs, and the lower end of output gear shaft 3 is equipped with helical gear, three groups of input shafts
23 lower end is engaged with the helical gear of output gear shaft 3, using low module helical gear, reaches 11 times of decelerations, input gear axle
The small speed change of outer diameter is big, increases torque, reduces gas consumption, and noise is small when high speed.
Wherein, the gear two sides of driven wheel 21 and driving wheel 22 are equipped with anti-gas-leak clamping plate 11, clamping plate 11 by spheroidal graphite cast-iron or
Brass material is made, and can effectively change airflow direction, greatly can increase torque using gas, reduces gas consumption, and clamping plate 11 wraps
Include the clamping plate A111 and clamping plate B112 that are mounted on 21 front/rear end of driven wheel and the clamping plate for being mounted on 22 front/rear end of driving wheel
A113 and clamping plate b114.
Wherein, it is equipped with limiting groove among the wheel shaft of driven wheel, installing and dismounting is facilitated to safeguard.
Wherein, the aperture of exhaust pipe 5 is greater than the aperture of air inlet 4, and exhaust pipe length is between 90-120 millimeters, both ends
Between bore radian 30-60 degree, the radian of the air intake duct 4A of air inlet 4 is between 120-150 degree, by designing rational deployment
Reserved exhaust pipe position be exhausted, high pressure draught by 18 exhaust pipes, the combination height of every exhaust hose is different,
Different in size, direction difference, radian different sizes, discharge is minute-pressure air-flow, to greatly reduce acting environmental noise problem.
Wherein, equal sealed set between cabinet 1 and inner end cover board 6 and outer end cover board 7, inner end cover board 6 protect gear-box
Body 1 has enough lubricating oils, extends the service life of this technology, and outer end cover board 7 ensures 3 groups of air tight, inner ends of cavitys acting
Cover board also effectively changes airflow direction, greatly can increase torque using gas, reduce gas consumption.
Wherein, do work cavity quantity be 2-4 group, every group 2, in practical applications, can according to acting environment size,
Required watt level or design requirement are configured acting number of cavities；And acting cavity is pair with the axis of output gear shaft
Claim axial symmetry.
The working principle of the invention:
When air inlet, low module helical gear is used using 3 air inlets, 4,3 input gear axles, reaches 11 times of decelerations, input gear
The small speed change of axis outer diameter is big, increases torque, reduces gas consumption, 6 exhaust pipe directions；The air-flow for entering cavity is divided first
Stream, then optimizes on exhaust pipe 5, and high pressure draught is respectively by every group of 6 exhaust pipes, from small and more, starts layout 18,
18 6 apertures of exhaust pipe are greater than the pore size of air inlet 4, and height is different, different in size, direction is different, radian different sizes
The exhaust pipe 5 of composition, the high pressure draught ejected different, different in size, direction difference, radian by 3 groups every group 6 height
After different sizes exhaust pipe 5 combines, air-flow has reformed into pleasing to the ear not ear-piercing airflow noise when coming out from exhaust outlet, to solve
Certainly noise problem.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of pneumatic device of low noise drilling machine, including cabinet (1), gear assembly (2), output gear shaft (3), air inlet
(4), the both sides of the face of exhaust pipe (5), inner end cover board (6) and outer end cover board (7), the cabinet (1) are separately installed with inner end
Cover board (6) and outer end cover board (7), the output gear shaft (3) are sequentially connected with output outer shaft (9), it is characterised in that: the case
For body (1) in oblateness, the cabinet (1) is interior to be equipped with the symmetrically arranged acting cavity (8) of at least two groups, the gear assembly (2)
Include multiple groups structure cooperation driving wheel and driven wheel, respectively corresponds and be located in each acting cavity (8), the cabinet (1)
Middle part be equipped with output gear shaft (3), the gear assembly (2) and output gear shaft (3) transmission connection, the cabinet (1)
Surface be equipped with air inlet (4), the air inlet (4) is located between two acting cavitys (8), and each air inlet (4)
It is all provided with that there are two air intake duct (4A) to be respectively communicated with the acting cavitys (8) of two sides, there are six each acting cavity (8) is connected to
Exhaust pipe (5), and size, height, length, direction and the radian of each exhaust pipe (5) are all different.
2. a kind of pneumatic device of low noise drilling machine according to claim 1, it is characterised in that: the gear assembly (2)
It include driven wheel (21), driving wheel (22) and input shaft (23), the driving wheel (22) is fixedly connected with input shaft (23), institute
Driving wheel (22) and input shaft (23) are stated using 1.5 modulus helical teeth specifications designs, the input shaft (23) and output gear shaft (3)
Transmission connection, the output gear shaft (3) use 1.5 modulus helical teeth specifications designs.
3. a kind of pneumatic device of low noise drilling machine according to claim 2, it is characterised in that: the driven wheel (21) and
The gear two sides of driving wheel (22) are equipped with anti-gas-leak clamping plate (11), and the clamping plate (11) is made of spheroidal graphite cast-iron or brass material.
4. a kind of pneumatic device of low noise drilling machine according to claim 2, it is characterised in that: the driven wheel (21)
Limiting groove is equipped among wheel shaft.
5. a kind of pneumatic device of low noise drilling machine according to claim 1, it is characterised in that: the exhaust pipe (5)
Aperture be greater than air inlet (4) aperture, the exhaust pipe length is between 90-120 millimeters, both ends bore radian 30-60 degree
Between, the radian of the air intake duct (4A) of the air inlet (4) is between 120-150 degree.
6. a kind of pneumatic device of low noise drilling machine according to claim 1, it is characterised in that: the cabinet (1) with it is interior
Equal sealed set between end casing (6) and outer end cover board (7).
7. a kind of pneumatic device of low noise drilling machine according to claim 1, it is characterised in that: the acting cavity (8)
Quantity be 2-4 group, and do work cavity (8) with the axis of output gear shaft (3) be symmetrical axial symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882818.3A CN110500139A (en) | 2019-09-18 | 2019-09-18 | A kind of pneumatic device of low noise drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882818.3A CN110500139A (en) | 2019-09-18 | 2019-09-18 | A kind of pneumatic device of low noise drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110500139A true CN110500139A (en) | 2019-11-26 |
Family
ID=68592146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910882818.3A Pending CN110500139A (en) | 2019-09-18 | 2019-09-18 | A kind of pneumatic device of low noise drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110500139A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3270834A (en) * | 1965-09-10 | 1966-09-06 | Atlas Copco Ab | Pneumatic tool having exhaust noise reducing means |
| GB1563219A (en) * | 1977-12-05 | 1980-03-19 | Burton I S | Rotary air motors and pneumatically operated tools |
| US5952623A (en) * | 1998-01-13 | 1999-09-14 | Sterling; Robert E. | Pneumatic hand tool exhaust muffler |
| JP2001105353A (en) * | 1999-10-04 | 2001-04-17 | Toyota Autom Loom Works Ltd | Exhaust silencer for air tool |
| CN210509295U (en) * | 2019-09-18 | 2020-05-12 | 王建丰 | Pneumatic device of low-noise drilling machine |
-
2019
- 2019-09-18 CN CN201910882818.3A patent/CN110500139A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3270834A (en) * | 1965-09-10 | 1966-09-06 | Atlas Copco Ab | Pneumatic tool having exhaust noise reducing means |
| GB1563219A (en) * | 1977-12-05 | 1980-03-19 | Burton I S | Rotary air motors and pneumatically operated tools |
| US5952623A (en) * | 1998-01-13 | 1999-09-14 | Sterling; Robert E. | Pneumatic hand tool exhaust muffler |
| JP2001105353A (en) * | 1999-10-04 | 2001-04-17 | Toyota Autom Loom Works Ltd | Exhaust silencer for air tool |
| CN210509295U (en) * | 2019-09-18 | 2020-05-12 | 王建丰 | Pneumatic device of low-noise drilling machine |
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