CN211423275U - Large transmission ratio speed reducer of helical gear - Google Patents
Large transmission ratio speed reducer of helical gear Download PDFInfo
- Publication number
- CN211423275U CN211423275U CN201921996618.2U CN201921996618U CN211423275U CN 211423275 U CN211423275 U CN 211423275U CN 201921996618 U CN201921996618 U CN 201921996618U CN 211423275 U CN211423275 U CN 211423275U
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- helical gear
- gear
- input shaft
- helical
- speed reducer
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Abstract
The utility model discloses a big drive ratio speed reducer of helical gear, which comprises a housin, the inside one end of casing is equipped with the input shaft, the fixed first helical gear that is equipped with on the input shaft, first helical gear meshes with the second helical gear mutually, the one end of second helical gear is equipped with the third helical gear, the third helical gear meshes with the fourth helical gear mutually, the second helical gear with the third helical gear is fixed with first pivot, the centre of fourth helical gear runs through and is equipped with the output shaft, first helical gear is kept away from the fixed first bevel gear that is equipped with of one end of input shaft, first bevel gear meshes with the second bevel gear mutually, the fixed bull stick that is equipped with in the middle of one side of second bevel gear, the bull stick is kept away from the one end of second bevel gear pass through the bearing housing with the top of casing is connected. Has the advantages that: the device simple structure, convenient operation uses, can improve the effect of speed reduction to increase its radiating effect, improve the life of helical gear.
Description
Technical Field
The utility model relates to a gear motor's design field particularly, relates to a big drive ratio speed reducer of helical gear.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery. The reduction of rotational speed is realized through the gear that the gear meshing number of teeth that the number of teeth is few to the speed reducer to can realize the process of slowing down.
However, the existing speed reducer is decelerated by a straight gear when in use, but the straight gear has the problems of poor meshing performance and poor deceleration effect, meanwhile, the meshing between the gears generates heat, the gears are abraded due to high temperature, and the gears need to be lubricated regularly, so that the abrasion of the gears is reduced, but the existing device is inconvenient to lubricate, so that the speed reducer with a large transmission ratio of the helical gear is necessary to solve the problems.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a big drive ratio speed reducer of helical gear to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a speed reducer with a large transmission ratio of helical gears comprises a shell, wherein an input shaft is arranged at one end inside the shell, a first helical gear is fixedly arranged on the input shaft and meshed with a second helical gear, a third helical gear is arranged at one end of the second helical gear and meshed with a fourth helical gear, the second helical gear and the third helical gear are fixedly arranged on a first rotating shaft, an output shaft penetrates through the middle of the fourth helical gear, a first bevel gear is fixedly arranged at one end, far away from the input shaft, of the first helical gear and meshed with a second bevel gear, a rotating rod is fixedly arranged in the middle of one side of the second bevel gear, one end, far away from the second bevel gear, of the rotating rod is connected with the top of the shell through a bearing sleeve, a fixing block is fixedly arranged on the rotating rod, and a plurality of fan blades are arranged on the fixing block, one end, far away from the first helical gear, of the input shaft penetrates through the shell and is connected with the output end of the motor, an oil inlet pipe is arranged at the top of the shell, and a sealing plug is arranged on the oil inlet pipe.
Furthermore, an oil discharge pipe is arranged on one side of the bottom of the shell, and a control valve is arranged on the oil discharge pipe.
Furthermore, a cover plate is arranged on one side of the shell, and the edge of the cover plate is in threaded connection with the shell through a plurality of screws.
Furthermore, a plurality of heat dissipation holes are formed in the cover plate, and waterproof breathable films are arranged on the heat dissipation holes.
Furthermore, one side of the motor is provided with a support frame, and one end of the support frame is fixedly connected with the shell.
Further, the input shaft is connected with the output end of the motor through a connecting flange.
Furthermore, both ends of the first rotating shaft and one end of the output shaft are connected with the inner wall of the shell through bearing seats.
Furthermore, the penetration positions of the input shaft, the output shaft and the shell are respectively provided with a sealing ring.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the rotation of the input shaft can be driven by the starting of the motor, the rotation of the first helical gear can be driven by the input shaft, the rotation of the output shaft can be driven by the transmission between the first helical gear, the second helical gear, the third helical gear and the fourth helical gear, because the diameters of the first helical gear and the third helical gear are smaller than those of the second helical gear and the fourth helical gear, the speed reduction effect can be realized by reducing the speed twice, the speed reduction effect can be increased, the rotation of the first helical gear can be driven by the output shaft, the rotation of the rotating rod can be realized, the fan blade can be driven to cool the inside of the shell, meanwhile, lubricating oil is added through the oil inlet pipe, the lubrication effect between the helical gears can be realized, the abrasion between the helical gears is reduced, the service life of the helical gears is greatly prolonged, the device is simple in structure and convenient to operate and use, the speed reduction effect can, the heat dissipation effect is improved, and the service life of the bevel gear is prolonged;
(2) the oil discharge pipe can discharge the lubricating oil which drips between the first helical tooth, the second helical tooth, the third helical tooth and the fourth helical tooth, so that the convenience of cleaning is greatly improved;
(3) the cover plate is convenient for opening the shell, and then the bevel gear in the shell is maintained, so that the convenience is greatly improved, meanwhile, the maintenance of workers is facilitated, and the working efficiency is greatly improved;
(4) the heat dissipation holes can discharge heat generated by meshing transmission between the helical gears, so that the heat dissipation effect can be achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large transmission ratio speed reducer of a helical gear according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a housing in a large transmission ratio speed reducer of a helical gear according to an embodiment of the present invention.
Reference numerals:
1. a housing; 2. an input shaft; 3. a first helical gear; 4. a second helical gear; 5. a third bevel gear; 6. a fourth helical gear; 7. a first rotating shaft; 8. an output shaft; 9. a first bevel gear; 10. a second bevel gear; 11. a rotating rod; 12. a bearing housing; 13. a fan blade; 14. a motor; 15. an oil inlet pipe; 16. a sealing plug; 17. an oil discharge pipe; 18. a control valve; 19. a cover plate; 20. a screw; 21. heat dissipation holes; 22. a support frame; 23. a connecting flange; 24. and a bearing seat.
Detailed Description
The following, with reference to the drawings and the detailed description, further description of the present invention is made:
the first embodiment is as follows:
referring to fig. 1-2, a speed reducer with a large transmission ratio for bevel gears according to an embodiment of the present invention includes a housing 1, an input shaft 2 is disposed at one end inside the housing 1, a first bevel gear 3 is fixedly disposed on the input shaft 2, the first bevel gear 3 is engaged with a second bevel gear 4, a third bevel gear 5 is disposed at one end of the second bevel gear 4, the third bevel gear 5 is engaged with a fourth bevel gear 6, the second bevel gear 4 and the third bevel gear 5 are fixed to a first rotating shaft 7, an output shaft 8 is disposed in the middle of the fourth bevel gear 6, a first bevel gear 9 is fixedly disposed at one end of the first bevel gear 3 away from the input shaft 2, the first bevel gear 9 is engaged with a second bevel gear 10, a rotating rod 11 is fixedly disposed in the middle of one side of the second bevel gear 10, one end of the rotating rod 11 away from the second bevel gear 10 is connected to the top of the housing 1 through a bearing sleeve 12, a fixed block is fixedly arranged on the rotating rod 11, a plurality of fan blades 13 are arranged on the fixed block, one end of the input shaft 2, which is far away from the first helical gear 3, penetrates through the shell 1 and is connected with the output end of the motor 14, an oil inlet pipe 15 is arranged at the top of the shell 1, a sealing plug 16 is arranged on the oil inlet pipe 15, the input shaft 2 is driven to rotate by starting the motor 14, the input shaft 2 drives the first helical gear 3 to rotate, the first, second, third and fourth helical gears drive the output shaft 8 to rotate through transmission, as the diameters of the first helical gear 3 and the third helical gear 5 are smaller than those of the second helical gear 4 and the fourth helical gear 6, the speed reduction effect can be increased by reducing the speed twice, and the first bevel gear 9 is driven to rotate when the output shaft 8 rotates, realize bull stick 11's rotation to can drive fan blade 13 and carry out the forced air cooling to the inside of casing 1, add lubricating oil through advancing oil pipe 15 simultaneously, can make and play lubricated effect between the helical gear, reduce the wearing and tearing between the helical gear, great improvement the life of helical gear, the device simple structure makes things convenient for the operation and uses, can improve the effect of speed reduction, and increase its radiating effect, improve the life of helical gear.
Example two:
referring to fig. 1-2, for the housing 1, an oil discharge pipe 17 is disposed at one side of the bottom of the housing 1, a control valve 18 is disposed on the oil discharge pipe 17, and the oil discharge pipe 17 can discharge the lubricating oil dripping between the first, second, third, and fourth helical teeth, so that the convenience of cleaning is greatly increased; for the shell 1, a cover plate 19 is arranged on one side of the shell 1, the edge of the cover plate 19 is in threaded connection with the shell 1 through a plurality of screws 20, the cover plate 19 is convenient for opening the shell 1, and then the helical gear in the shell 1 is maintained, so that the convenience is greatly improved, meanwhile, the maintenance of workers is facilitated, and the working efficiency is greatly improved; for the cover plate 19, a plurality of heat dissipation holes 21 are formed in the cover plate 19, a waterproof breathable film is arranged on the heat dissipation holes 21, and the heat dissipation holes 21 can discharge heat generated by meshing transmission between the helical gears, so that a heat dissipation effect can be achieved; for the motor 14, a support frame 22 is arranged on one side of the motor 14, one end of the support frame 22 is fixedly connected with the housing 1, and the support frame 22 can support the motor 14, so that the placing stability of the motor 14 in use is greatly improved; for the input shaft 2, the input shaft 2 is connected with the output end of the motor 14 through a connecting flange 23, and the connecting flange 23 facilitates the convenience of connection between the input shaft 2 and the motor 14; for the first rotating shaft 7, both ends of the first rotating shaft 7 and one end of the output shaft 8 are connected with the inner wall of the shell 1 through bearing seats 24, and the bearing seats 24 can support the first rotating shaft and the output shaft, so that the stability of connection with the inner wall of the shell is improved; for the input shaft 2, sealing rings are arranged at the penetrating positions of the input shaft 2, the output shaft 8 and the shell 1, and the sealing rings can increase the sealing performance of the connection between the input shaft 2, the output shaft 8 and the shell 1.
To sum up, with the aid of the above technical scheme of the utility model, for the convenient understanding the above technical scheme of the utility model, just below the utility model discloses theory of operation or the mode of operation at the actual process carry out the detailed description:
in practical application, the start of the motor 14 will drive the rotation of the input shaft 2, the input shaft 2 will drive the rotation of the first helical gear 3, the first helical gear 3 is engaged with the second helical gear 4 to drive the rotation of the second helical gear 4, the second helical gear 4 and the third helical gear 5 are fixed on the same first rotating shaft 7, the third helical gear 5 will rotate, the rotation of the third helical gear 5 can drive the rotation of the fourth helical gear 6 to realize the rotation of the output shaft 8, the diameters of the first helical gear 3 and the third helical gear 5 are smaller than those of the second helical gear 4 and the fourth helical gear 6, so that the speed reduction effect can be increased by reducing the speed twice, the rotation of the first bevel gear 9 will be driven when the output shaft 8 rotates, the first bevel gear 9 will drive the rotation of the second bevel gear 10, the rotation of second bevel gear 10 will drive the rotation of bull stick 11, thereby can drive fan leaf 13 and carry out the forced air cooling to the inside of casing 1, the produced heat of meshing transmission between the helical gear will blow discharge in louvre 21 through fan leaf 13, thereby can reduce wearing and tearing between the helical gear, simultaneously can be through adding lubricating oil to advancing in oil pipe 15, can make and play lubricated effect between the helical gear, reduce wearing and tearing between the helical gear, great improvement the life of helical gear, the device simple structure, facilitate the operation and use, can improve the effect of speed reduction, and increase its radiating effect, improve the life of helical gear, it is first, the second, the third, the helical gear can increase the stability of meshing.
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 (8)
1. A large transmission ratio speed reducer of a helical gear is characterized by comprising a shell (1), wherein an input shaft (2) is arranged at one end inside the shell (1), a first helical gear (3) is fixedly arranged on the input shaft (2), the first helical gear (3) is meshed with a second helical gear (4), a third helical gear (5) is arranged at one end of the second helical gear (4), the third helical gear (5) is meshed with a fourth helical gear (6), the second helical gear (4) and the third helical gear (5) are fixedly arranged on a first rotating shaft (7), an output shaft (8) penetrates through the middle of the fourth helical gear (6), a first helical gear (9) is fixedly arranged at one end, far away from the input shaft (2), of the first helical gear (3), the first helical gear (9) is meshed with a second helical gear (10), a rotating rod (11) is fixedly arranged in the middle of one side of the second helical gear (10), keep away from bull stick (11) the one end of second bevel gear (10) pass through bearing housing (12) with the top of casing (1) is connected, the fixed block that is equipped with on bull stick (11), be equipped with a plurality of fan leaves (13) on the fixed block, input shaft (2) are kept away from the one end of first helical gear (3) is run through casing (1) is connected with the output of motor (14), the top of casing (1) is equipped with into oil pipe (15), it is equipped with sealing plug (16) on oil pipe (15) to advance.
2. The helical gear large transmission ratio speed reducer according to claim 1, wherein an oil discharge pipe (17) is provided on one side of the bottom of the housing (1), and a control valve (18) is provided on the oil discharge pipe (17).
3. The helical gear large transmission ratio speed reducer according to claim 2, wherein a cover plate (19) is provided on one side of the housing (1), and the edge of the cover plate (19) is in threaded connection with the housing (1) through a plurality of screws (20).
4. The large transmission ratio speed reducer of helical gear according to claim 3, wherein said cover plate (19) is provided with a plurality of heat dissipation holes (21), and said heat dissipation holes (21) are provided with waterproof and breathable films.
5. The large transmission ratio speed reducer of the helical gear according to claim 4, wherein a support frame (22) is arranged on one side of the motor (14), and one end of the support frame (22) is fixedly connected with the housing (1).
6. A helical gear large transmission ratio reducer as claimed in claim 5, wherein said input shaft (2) is connected to the output of said motor (14) by means of a connecting flange (23).
7. The large transmission ratio speed reducer of helical gears according to claim 6, wherein both ends of said first rotating shaft (7) and one end of said output shaft (8) are connected to the inner wall of said housing (1) through a bearing seat (24).
8. The large transmission ratio speed reducer of helical gears according to claim 7, wherein the penetration of said input shaft (2) and said output shaft (8) and said housing (1) is provided with a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996618.2U CN211423275U (en) | 2019-11-18 | 2019-11-18 | Large transmission ratio speed reducer of helical gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996618.2U CN211423275U (en) | 2019-11-18 | 2019-11-18 | Large transmission ratio speed reducer of helical gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211423275U true CN211423275U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921996618.2U Expired - Fee Related CN211423275U (en) | 2019-11-18 | 2019-11-18 | Large transmission ratio speed reducer of helical gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211423275U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431874A (en) * | 2021-07-19 | 2021-09-24 | 东莞仕达通自动化有限公司 | Skewed tooth speed reducer |
| CN113559569A (en) * | 2021-07-26 | 2021-10-29 | 淮北市中芬矿山机器有限责任公司 | Single-cylinder four-wheel drive transmission device with automatic monitoring assembly |
| CN114396210A (en) * | 2021-12-28 | 2022-04-26 | 宁波奥云德电器有限公司 | Electric opening actuator for charging small door of new energy automobile |
| CN114412967A (en) * | 2021-12-24 | 2022-04-29 | 宁波奥云德电器有限公司 | Electric opening low-torque actuator for charging small door of new energy automobile |
-
2019
- 2019-11-18 CN CN201921996618.2U patent/CN211423275U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431874A (en) * | 2021-07-19 | 2021-09-24 | 东莞仕达通自动化有限公司 | Skewed tooth speed reducer |
| CN113559569A (en) * | 2021-07-26 | 2021-10-29 | 淮北市中芬矿山机器有限责任公司 | Single-cylinder four-wheel drive transmission device with automatic monitoring assembly |
| CN114412967A (en) * | 2021-12-24 | 2022-04-29 | 宁波奥云德电器有限公司 | Electric opening low-torque actuator for charging small door of new energy automobile |
| CN114412967B (en) * | 2021-12-24 | 2023-11-21 | 宁波奥云德电器有限公司 | New energy automobile charges little door electronic low torque executor of opening |
| CN114396210A (en) * | 2021-12-28 | 2022-04-26 | 宁波奥云德电器有限公司 | Electric opening actuator for charging small door of new energy automobile |
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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: 20200904 Termination date: 20211118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |