CN210440554U - Coaxial cylindrical gear speed reducer - Google Patents
Coaxial cylindrical gear speed reducer Download PDFInfo
- Publication number
- CN210440554U CN210440554U CN201920982221.1U CN201920982221U CN210440554U CN 210440554 U CN210440554 U CN 210440554U CN 201920982221 U CN201920982221 U CN 201920982221U CN 210440554 U CN210440554 U CN 210440554U
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- Prior art keywords
- main body
- main part
- noise reduction
- speed reducer
- shaped fixing
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000009467 reduction Effects 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 24
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000004630 mental health Effects 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a coaxial-type roller gear speed reducer, include first main part, second main part and fall the structure of making an uproar, input shaft and output shaft are installed respectively through two bearings to the inside both sides of first main part, input shaft and output shaft pass through the inside a plurality of gear engagement of ring gear at the inside intermediate position of first main part and connect, the top of first main part is non-enclosed state, the outside both sides upper end of first main part is being provided with four installation pieces, four being close to its opening part the installation piece articulates through the round pin axle has two L type fixed plates. The utility model discloses a be provided with and fall the structure of making an uproar for can carry out the isolated work of effectual elimination to the inside noise that produces of speed reducer, avoid great more noise to spread in the speed reducer, harm staff's physical and mental health, simultaneously through being provided with L type fixed plate, and the draw-in groove and the card strip of first main part and second main part junction, make speed reducer convenient to detach inspection maintenance.
Description
Technical Field
The utility model relates to a speed reducer field specifically is a coaxial-type roller gear speed reducer.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery, and the coaxial cylindrical gear reducer is one of the parts.
However, the conventional coaxial cylindrical gear reducer has the following disadvantages:
1. because the transmission mode adopts a plurality of gears for meshing transmission, the noise is high, and the physical and psychological health of workers is damaged when the workers work for a long time.
2. Traditional coaxial-type cylindrical gear speed reducer outside main part connection structure is complicated, when the internal fault appears in the speed reducer, is not convenient for dismantle the maintenance to it, influences work efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coaxial-type roller gear speed reducer to solve traditional coaxial-type roller gear speed reducer because its transmission mode leads to its noise great for adopting a plurality of gear engagement transmissions, at long-time during operation, has endangered staff's physical and mental health, outside main part connection structure is complicated simultaneously, when the internal fault appears in the speed reducer, is not convenient for dismantle the maintenance to it, influences work efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coaxial-type cylindrical gear speed reducer, includes first main part, second main part and falls the structure of making an uproar, input shaft and output shaft are installed respectively through two bearings to the inside both sides of first main part, input shaft and output shaft pass through the inside a plurality of gear engagement of ring gear at the inside intermediate position of first main part and connect, the top of first main part is non-enclosed state, the outside both sides upper end of first main part is being close to its opening part and is being provided with four installation pieces, four the installation piece articulates through the round pin axle has two L type fixed plates, the both ends of L type fixed plate are all installed the bolt through seting up the screw hole, the length and width of second main part and the upper end opening phase-match of first main part, the second main part is being close to both sides edge and is seted up the threaded connection hole with the bolt position size phase-match at L type fixed plate both ends, pass through the bolt fixed even of L type fixed plate and L nature fixed type Connect, fall the structure of making an uproar and fall the baffle including a plurality of first baffles of making an uproar and a second, the baffle of making an uproar falls in the first baffle of making an uproar and second and is a compound panel, and by inhaling sound sheet layer and acoustic celotex board layer combination and making, the first baffle of making an uproar that falls is all installed through the connecting piece in the inside all around and the bottom of first main part, the first baffle intermediate position of making an uproar of falling of first main part both sides all seted up with input shaft and output shaft erection joint department assorted hole, the baffle of making an uproar falls in the second main part one side of orientation in first main part inside through the connecting piece.
Preferably, the length of the plate surface of the L-shaped fixing plate is more than two thirds of the length of the main body, the width of the L-shaped fixing plate is 8-10cm, the thickness of the L-shaped fixing plate is 0.3-0.5cm, and the L-shaped fixing plate is made of alloy materials.
Preferably, a clamping groove is formed in the joint of the first main body and the second main body, and a clamping strip matched with the clamping groove is arranged in the joint of the second main body and the first main body.
Preferably, the first noise reduction partition plate and the second noise reduction partition plate are provided with heat dissipation holes matched with the heat dissipation holes around the main body.
Preferably, the sound absorbing plate layer is located on one side of the first noise reduction partition plate and one side of the second noise reduction partition plate, which are far away from the first main body and the second main body.
Preferably, the sound-absorbing plate layer and the sound-insulating plate layer are filled with rock wool fiber materials.
The utility model provides a coaxial-type roller gear speed reducer possesses following beneficial effect:
(1) the utility model discloses a be provided with the first baffle of making an uproar and the baffle of making an uproar is fallen to the second of making an uproar all around in the inside of first main part and second main part, and the first baffle of making an uproar and the second of making an uproar fall the baffle and be the composite board who makes up by inhaling sound sheet layer and sound insulation sheet layer for it can carry out effectual elimination and completely cut off to the noise that the speed reducer is inside to appear to fall the structure of making an uproar, has avoided the long-time during operation at the speed reducer.
(2) The utility model discloses a bolt through L type fixed plate and L type fixed plate is fixed between first main part and the second main part in the setting, is provided with draw-in groove and card strip in the junction of first main part and second main part simultaneously for the holistic external connection structure of speed reducer is simplistic, and convenient to detach installs, has made things convenient for when breaking down in the speed reducer inside greatly, dismantles going on of maintenance work, has avoided influencing work efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic side view of the present invention.
In the figure: 1. a first body; 2. a second body; 3. a bearing; 4. an input shaft; 5. an output shaft; 6. an inner gear ring; 7. mounting blocks; 8. an L-shaped fixing plate; 9. a bolt; 10. connecting a threaded hole; 11. a first noise reducing partition plate; 12. a second noise reducing partition; 13. a sound absorbing sheet layer; 14. a sound insulation board layer; 15. and (6) heat dissipation holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a coaxial cylindrical gear speed reducer comprises a first main body 1, a second main body 2 and a noise reduction structure, wherein an input shaft 4 and an output shaft 5 are respectively installed on two sides of the inside of the first main body 1 through two bearings 3, the input shaft 4 and the output shaft 5 are connected in a meshing manner through a plurality of gears inside an inner gear ring 6 at the middle position of the inside of the first main body 1, the upper part of the first main body 1 is in a non-closed state, four installation blocks 7 are arranged at the upper ends of two sides of the outside of the first main body 1 and close to the opening of the first main body, the four installation blocks 7 are hinged to two L-shaped fixing plates 8 through pin shafts, bolts 9 are installed at two ends of each L-shaped fixing plate 8 through threaded holes, the length and the width of the second main body 2 are matched with the opening at the upper end of the first main body 1, threaded connection holes 10 matched with the positions of the bolts 9 at two ends of each L-, the utility model discloses a noise reduction structure, including first baffle 11 and the second baffle 12 of making an uproar falls in the second main part 2, fall the first bolt 9 fixed connection at fixed type both ends of L type fixed plate 8 and L nature between the first main part 1, fall the structure of making an uproar and include a plurality of first baffle 11 and the second of making an uproar and fall the baffle 12 of making an uproar, first baffle 11 and the second of making an uproar fall and be a compound panel, and make by inhaling sound sheet layer 13 and the combination of sound insulation sheet layer 14, first baffle 11 of making an uproar falls all around and the bottom of all installing through the connecting piece in the inside of first main part 1, first baffle 11 intermediate position of making an uproar falls in first main part 1 both sides all seted up with input shaft 4 and 5 erection joint assorted holes of output shaft, baffle 12 is fallen through the connecting.
The length of the plate surface of the L-shaped fixing plate 8 is more than two thirds of the length of the main body, the width is 8-10cm, the thickness is 0.3-0.5cm, and the L-shaped fixing plate is made of alloy materials, so that the L-shaped fixing plate 8 has high hardness and fixity; a clamping groove is formed in the joint of the first main body 1 and the second main body 2, and a clamping strip matched with the clamping groove is arranged at the joint of the second main body 2 and the first main body 1, so that the connection stability and the sealing property between the first main body 1 and the second main body 2 are further enhanced; the first noise reduction partition plate 11 and the second noise reduction partition plate 12 are respectively provided with a heat dissipation hole 15 matched with the heat dissipation holes on the periphery of the main body, so that the heat dissipation work of the speed reducer is not influenced when the first noise reduction partition plate 11 and the second noise reduction partition plate 12 perform noise reduction; the sound absorption plate layer 13 is positioned on one side of the first noise reduction partition plate 11 and the second noise reduction partition plate 12, which are far away from the first main body 1 and the second main body 2, so that when the noise reduction and noise reduction work is carried out, noise is firstly absorbed and reduced, and is isolated, and the whole noise reduction and noise reduction effect is improved; rock wool fiber materials are filled in the sound absorption plate layer 13 and the sound insulation plate layer 14, so that the first noise reduction partition plate 11 and the second noise reduction partition plate 12 have high temperature resistance integrally.
The working principle is as follows: when the speed reducer works, the noise generated during meshing transmission of a plurality of gears in the speed reducer is effectively processed through the first noise reduction partition plate 11 in the first main body 1 and the second noise reduction partition plate 12 below the second main body 2, the noise is effectively absorbed by the sound absorption plate layer 13 on the side, close to the inner gear ring 6, of the first noise reduction partition plate 11 and the second noise reduction partition plate 12, the noise is reduced, the noise which cannot be absorbed by the sound absorption plate layer 13 is effectively isolated through the sound insulation plate layer 14, the generation of the noise and the transmission of the noise are integrally reduced, the working environment of a worker during long-time work of the speed reducer is improved, the harm to the physical and mental health of the worker is avoided, when the main body is broken down and needs to be opened for inspection and maintenance work in the inside of the speed reducer, the bolts 9 on the L-shaped fixing plates 8 on two sides of the upper end surface of, then lift L type fixed plate 8 to the both sides of first main part 1, can take off second main part 2 from the upper end of first main part 1 to carry out the inspection maintenance work to the mechanical parts of first main part 1 inside, make the holistic external connection structure of speed reducer simple, the convenient to detach installation has made things convenient for when breaking down in the speed reducer inside greatly, dismantles going on of maintenance work, has avoided influencing work efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a coaxial-type cylindrical gear speed reducer, includes first main part (1), second main part (2) and falls the structure of making an uproar, its characterized in that: an input shaft (4) and an output shaft (5) are respectively installed on two sides of the inside of the first main body (1) through two bearings (3), the input shaft (4) and the output shaft (5) are connected in a meshed mode through a plurality of gears inside an inner gear ring (6) in the middle position of the inside of the first main body (1), the upper portion of the first main body (1) is in a non-closed state, four installation blocks (7) are arranged at the upper ends of two sides of the outside of the first main body (1) and close to the opening of the outside of the first main body, the four installation blocks (7) are hinged to two L-shaped fixing plates (8) through pin shafts, bolts (9) are installed at two ends of each L-shaped fixing plate (8) through threaded holes, the length and the width of the second main body (2) are matched with the opening of the upper end of the first main body (1), threaded connection holes (10) matched with the positions and the sizes of the bolts (9) at two ends of the L, the second main body (2) is fixedly connected with the first main body (1) through an L-shaped fixing plate (8) and bolts (9) at two ends of the L-shaped fixing plate, the noise reduction structure comprises a plurality of first noise reduction partition plates (11) and a second noise reduction partition plate (12), the first noise reduction clapboard (11) and the second noise reduction clapboard (12) are both made of composite plates, and is made by combining a sound absorption plate layer (13) and a sound insulation plate layer (14), the periphery and the bottom of the interior of the first main body (1) are provided with a first noise reduction clapboard (11) through connecting pieces, the middle positions of the first noise reduction partition plates (11) at the two sides of the first main body (1) are both provided with holes matched with the installation connection positions of the input shaft (4) and the output shaft (5), the second noise reduction partition plate (12) is arranged on one side, facing the inside of the first main body (1), of the second main body (2) through a connecting piece.
2. The coaxial cylindrical gear reducer according to claim 1, wherein: the length of the plate surface of the L-shaped fixing plate (8) is more than two thirds of the length of the main body, the width of the L-shaped fixing plate is 8-10cm, the thickness of the L-shaped fixing plate is 0.3-0.5cm, and the L-shaped fixing plate is made of alloy materials.
3. The coaxial cylindrical gear reducer according to claim 1, wherein: the joint of the first main body (1) and the second main body (2) is provided with a clamping groove, and the joint of the second main body (2) and the first main body (1) is provided with a clamping strip matched with the clamping groove.
4. The coaxial cylindrical gear reducer according to claim 1, wherein: and heat dissipation holes (15) matched with the heat dissipation holes on the periphery of the main body are formed in the first noise reduction partition plate (11) and the second noise reduction partition plate (12).
5. The coaxial cylindrical gear reducer according to claim 1, wherein: inhale sound sheet layer (13) and be located first fall make an uproar baffle (11) and the second fall make an uproar baffle (12) and keep away from one side of first main part (1), second main part (2).
6. The coaxial cylindrical gear reducer according to claim 1, wherein: the sound absorption plate layer (13) and the sound insulation plate layer (14) are filled with rock wool fiber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982221.1U CN210440554U (en) | 2019-06-27 | 2019-06-27 | Coaxial cylindrical gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982221.1U CN210440554U (en) | 2019-06-27 | 2019-06-27 | Coaxial cylindrical gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210440554U true CN210440554U (en) | 2020-05-01 |
Family
ID=70404494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920982221.1U Expired - Fee Related CN210440554U (en) | 2019-06-27 | 2019-06-27 | Coaxial cylindrical gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210440554U (en) |
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2019
- 2019-06-27 CN CN201920982221.1U patent/CN210440554U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 |