CN211778797U - 360-degree gapless speed reducer - Google Patents
360-degree gapless speed reducer Download PDFInfo
- Publication number
- CN211778797U CN211778797U CN201921568274.5U CN201921568274U CN211778797U CN 211778797 U CN211778797 U CN 211778797U CN 201921568274 U CN201921568274 U CN 201921568274U CN 211778797 U CN211778797 U CN 211778797U
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- shell
- output shaft
- indexing
- assembled
- side wall
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Abstract
The utility model relates to a cam wheel splitter technical field, specifically speaking relates to a 360 degree zero clearance speed reducer. The device comprises a shell, wherein an input shaft and an output shaft are assembled on the shell; the input shaft is provided with an indexing cam; one end of the output shaft is assembled on the inner side wall of the shell, the other end of the output shaft penetrates through the side wall of the shell, the penetrating end of the output shaft is in a flange disc shape and comprises a fixed disc surface and a flange center, and the fixed disc surface is provided with a screw hole; the output shaft is provided with an indexing disc, and the circumference of the indexing disc is provided with a plurality of indexing needle roller bearings which are uniformly distributed along the circumferential direction of the indexing disc and are matched with the indexing cam. The utility model adopts the indexing needle roller bearing to transmit between the input shaft and the output shaft, realizes the gapless switching of forward and reverse directions by the gapless meshing of 360 degrees, and has small friction force and high transmission precision; in addition, the power output end of the output shaft adopts a flange plate design, and the width of the fixed disk surface enables the installation of the connecting piece to be firmer and more stable.
Description
Technical Field
The utility model relates to a cam wheel splitter technical field, specifically speaking relates to a 360 degree zero clearance speed reducer.
Background
In general mechanical transmission, the worm gear and the worm are widely applied because of the advantages of stable work, compact structure, self-locking realization and the like, but the material for manufacturing the worm gear is copper alloy, the material hardness is low, the strength is low, and the worm gear cannot bear large torque; meanwhile, the sliding friction generated when the worm and gear are meshed is large, so that heating and abrasion can be caused in the operation process, and the transmission efficiency is reduced; and there is the backlash in worm wheel and worm meshing process, when the direction of rotation of worm changes, because the existence of the backlash, has led to the production of reverse clearance, makes the reverse rotation of worm can not transmit for the worm wheel immediately, can drive the reverse rotation of worm wheel only after the worm rotates certain angle, and this has just caused mechanical transmission's error, has also brought impact, vibration and noise simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 360 degree zero clearance speed reducer, technical problem more than solving.
In order to solve the above problems, the utility model adopts the following technical scheme:
a360-degree gapless speed reducer comprises a shell, wherein an input shaft and an output shaft are assembled on the shell; the two ends of the input shaft respectively penetrate through the side wall of the shell and are assembled on the side wall of the shell through a first tapered roller bearing and a first bearing seat fixedly assembled on the inner side wall of the shell, wherein a first O-shaped sealing ring is arranged between the first bearing seat and the shell, and a first framework oil seal is arranged between the input shaft and the first bearing seat; the input shaft is provided with an indexing cam; the output shaft is perpendicular to the input shaft, one end of the output shaft is assembled on the inner side wall of the shell through a second tapered roller bearing and a round nut, the other end of the output shaft penetrates through the side wall of the shell, and is assembled on the side wall of the shell through a third tapered roller bearing and a second bearing seat assembled on the shell, wherein the penetrating end of the output shaft is in a flange disc shape and comprises a fixed disc surface and a flange center, and the fixed disc surface is provided with a screw hole; a second O-shaped sealing ring is arranged between the second bearing seat and the shell, and a second framework oil seal is arranged between the fixed disk surface of the output shaft and the second bearing seat; the output shaft is provided with an indexing disc, and the circumference of the indexing disc is provided with a plurality of indexing needle roller bearings which are uniformly distributed along the circumferential direction of the indexing disc and are matched with the indexing cam.
Has the advantages that: compared with the prior art, the utility model adopts the indexing needle roller bearing to transmit between the input shaft and the output shaft, realizes the gapless switching of forward and reverse directions by the gapless meshing of 360 degrees, and has small friction force and high transmission precision; in addition, the power output end of the output shaft adopts a flange plate design, and the width of the fixed disk surface enables the installation of the connecting piece to be firmer and more stable.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the present invention along the axial direction of the input shaft;
fig. 2 is a schematic view of the axial sectional structure of the output shaft of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Examples
Referring to fig. 1-2, the 360-degree gapless speed reducer of the present embodiment includes a housing 1, and an input shaft 2 and an output shaft 3 are assembled on the housing 1. Wherein:
the two ends of the input shaft 2 respectively penetrate through the side wall of the shell 1, and are assembled on the side wall of the shell 1 through a first tapered roller bearing 4 and a first bearing seat 5 fixedly assembled on the inner side wall of the shell 1, in order to prevent lubricating oil in the shell 1 from leaking, a first O-shaped sealing ring 6 is arranged between the first bearing seat 5 and the shell 1, and a first framework oil seal 7 is arranged between the input shaft 2 and the first bearing seat 5. An indexing cam 8 is fitted on the input shaft 2.
The output shaft 3 is perpendicular to the input shaft 2, one end of the output shaft is assembled on the inner side wall of the shell 1 through a second tapered roller bearing 9 and a round nut 10, the other end of the output shaft penetrates through the side wall of the shell 1, and is assembled on the side wall of the shell 1 through a third tapered roller bearing 11 and a second bearing seat 12 assembled on the shell 1, wherein the penetrating end (power output end) of the output shaft 3 is in a flange disc shape and comprises a fixed disc surface 13 and a flange center, and the fixed disc surface 13 is provided with a screw hole 14. In order to prevent the leakage of the lubricating oil in the housing 1, a second O-ring seal 15 is provided between the second bearing housing 12 and the housing 1, and a second skeleton oil seal 16 is provided between the fixed disk surface 13 of the output shaft 3 and the second bearing housing 12. The output shaft 3 is provided with an indexing disc 17, and the circumference of the indexing disc 17 is provided with a plurality of indexing needle roller bearings 18 which are uniformly distributed along the circumference of the indexing disc 17 and are matched with the indexing cam 8.
The utility model relates to a novel speed reducer, it transmits torque between power supply and actuating mechanism, according to user demand transform rotational speed, but wide application in all kinds of precision machinery transmission, can bear great perpendicular, radial or axial pressure, can be applied to high accuracy zero clearance transmission occasions such as arm joint transmission. And all parts are made of high-quality alloy steel, after heat treatment and carburizing, quenching and low-temperature tempering, the surface hardness can reach 58-62HRC, and the service life is longer.
The working principle of the utility model is as follows:
during operation, the power take off end of power supply (motor) with 2 transmissions of input shaft of speed reducer connect, the graduation cam 8 on the input shaft 2 promotes the graduation bearing 18 of assembly on 3 graduated disks 17 of output shaft, orders about output shaft 3 not intermittent type and rotates. When the input shaft 2 rotates one circle (360 degrees), the output shaft 3 rotates by the degree of an indexing roller included angle (the included angle between two adjacent indexing needle roller bearings 18), for example, when 12 indexing needle roller bearings 18 are assembled on the indexing disc 17, the output shaft 3 rotates by 30 degrees, so that the purpose of speed reduction is realized. The speed reducer can obtain different reduction ratios through changing the quantity of the indexing needle bearing 18 on the output shaft 3.
The utility model adopts the indexing needle roller bearing to transmit between the input shaft and the output shaft, realizes the gapless switching of forward and reverse directions by the gapless meshing of 360 degrees, and has small friction force and high transmission precision; in addition, the power output end of the output shaft adopts a flange plate design, and the width of the fixed disk surface enables the installation of the connecting piece to be firmer and more stable.
The above is only the embodiment of the present invention, not so limit on the other hand through the patent scope of the present invention, all utilize the equivalent structure made in the specification and the attached drawings, directly or indirectly apply to other related technical fields, all with the same principle within the patent protection scope of the present invention.
Claims (1)
1. A360-degree gapless speed reducer comprises a shell (1), wherein an input shaft (2) and an output shaft (3) are assembled on the shell (1); the method is characterized in that: the two ends of the input shaft (2) penetrate through the side wall of the shell (1) respectively, and are assembled on the side wall of the shell (1) through a first tapered roller bearing (4) and a first bearing seat (5) fixedly assembled on the inner side wall of the shell (1), wherein a first O-shaped sealing ring (6) is arranged between the first bearing seat (5) and the shell (1), and a first framework oil seal (7) is arranged between the input shaft (2) and the first bearing seat (5); the input shaft (2) is provided with an indexing cam (8); the output shaft (3) is perpendicular to the input shaft (2), one end of the output shaft is assembled on the inner side wall of the shell (1) through a second tapered roller bearing (9) and a round nut (10), the other end of the output shaft penetrates through the side wall of the shell (1), and is assembled on the side wall of the shell (1) through a third tapered roller bearing (11) and a second bearing seat (12) assembled on the shell (1), wherein the penetrating end of the output shaft (3) is in a flange disc shape and comprises a fixed disc surface (13) and a flange center, and a screw hole (14) is formed in the fixed disc surface (13); a second O-shaped sealing ring (15) is arranged between the second bearing seat (12) and the shell (1), and a second framework oil seal (16) is arranged between the fixed disk surface (13) of the output shaft (3) and the second bearing seat (12); the output shaft (3) is provided with an indexing disc (17), and the circumference of the indexing disc (17) is provided with a plurality of indexing needle roller bearings (18) which are uniformly distributed along the circumferential direction of the indexing disc (17) and are matched with the indexing cam (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568274.5U CN211778797U (en) | 2019-09-19 | 2019-09-19 | 360-degree gapless speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568274.5U CN211778797U (en) | 2019-09-19 | 2019-09-19 | 360-degree gapless speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778797U true CN211778797U (en) | 2020-10-27 |
Family
ID=72933679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568274.5U Active CN211778797U (en) | 2019-09-19 | 2019-09-19 | 360-degree gapless speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778797U (en) |
-
2019
- 2019-09-19 CN CN201921568274.5U patent/CN211778797U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A 360 degree gapless reducer Effective date of registration: 20220718 Granted publication date: 20201027 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: Zhucheng Foxon Machinery Technology Co.,Ltd. Registration number: Y2022980010702 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230712 Granted publication date: 20201027 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: Zhucheng Foxon Machinery Technology Co.,Ltd. Registration number: Y2022980010702 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A 360 degree gapless reducer Effective date of registration: 20230714 Granted publication date: 20201027 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: Zhucheng Foxon Machinery Technology Co.,Ltd. Registration number: Y2023980048511 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201027 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: Zhucheng Foxon Machinery Technology Co.,Ltd. Registration number: Y2023980048511 |