CN209781629U - Novel rotary speed reducer - Google Patents
Novel rotary speed reducer Download PDFInfo
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- CN209781629U CN209781629U CN201920033769.1U CN201920033769U CN209781629U CN 209781629 U CN209781629 U CN 209781629U CN 201920033769 U CN201920033769 U CN 201920033769U CN 209781629 U CN209781629 U CN 209781629U
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- worm
- reducer
- angular contact
- contact ball
- bearing
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Abstract
The utility model relates to a novel slewing reducer mainly includes: the worm gear comprises a shell, a driving device, a worm and a worm gear, wherein two ends of the worm gear are back-to-back provided with angular contact ball bearings, a bearing seat is arranged in the shell and used for mounting the angular contact ball bearings, and two output ends of the worm gear are respectively connected with an output flange and used for double-flange torque output; one side of the output flange is abutted to the angular contact ball bearing and used for axially positioning the angular contact ball bearing, and the other side of the output flange is fixed on the worm wheel through a positioning pin and locked through a bolt. The utility model discloses optimized slewing reducer's mounting structure, reduced the slewing reducer processing degree of difficulty, reduced slewing reducer manufacturing cost height, improved slewing reducer reliability and precision, and be fit for batch production.
Description
Technical Field
The utility model belongs to light and heat gyration drive tracker field, concretely relates to novel slewing reducer.
Background
the rotary speed reducer is used as a core product of a photo-thermal power generation light field system, directly influences the heat collection efficiency of solar photo-thermal power generation, and further influences the investment income of a power station. Therefore, the rotary speed reducer is required to be high in precision, reliable and large in demand. However, the existing photothermal rotary driving reduction gearbox is complex in structure, difficult in production process and equipment, poor in reliability, low in transmission precision, short in service life, high in manufacturing cost and difficult to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's is not enough, has provided a novel slewing reducer, has optimized slewing reducer's mounting structure, has reduced the slewing reducer processing degree of difficulty, and it is high to have reduced slewing reducer manufacturing cost, has improved slewing reducer reliability and precision, and is fit for batch production.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does:
A novel slew reducer comprising: the worm is connected with the driving device, the worm is rotatably arranged in the shell, the worm wheel is meshed with the worm, angular contact ball bearings are arranged at two ends of the worm wheel back to back, a bearing seat is arranged in the shell and used for mounting the angular contact ball bearings, and two output ends of the worm wheel are respectively connected with an output flange and used for double-flange torque output; one side of the output flange is abutted to the angular contact ball bearing and used for axially positioning the angular contact ball bearing, and the other side of the output flange is fixed on the worm wheel through a positioning pin and locked through a bolt.
Further, the driving device is a motor reducer for providing torque.
Furthermore, an oil seal is arranged between the bearing seat and the output flange.
Furthermore, bearings are respectively arranged at two ends of the worm, an inner ring of each bearing is connected with the worm, and an outer ring of the worm is fixed in the shell.
Further, an inner ring of the angular contact ball bearing is connected with the worm wheel, and an outer ring of the angular contact ball bearing is fixed in the bearing seat.
Further, the motor reducer is connected with the worm through a flat key.
Furthermore, the core of the worm wheel is made of steel materials, and the tooth part of the worm wheel is made of non-ferrous metal materials.
The beneficial effects of the utility model include at least: the utility model discloses optimized slewing reducer's mounting structure, reduced the slewing reducer processing degree of difficulty, reduced slewing reducer manufacturing cost height, improved slewing reducer reliability and precision, be fit for batch production more.
Drawings
Fig. 1 is a sectional view of the structure of the present invention.
FIG. 2 is a schematic view of the structure of FIG. 1 along the direction B-B.
FIG. 3 is a schematic view of a prior art bearing end cap construction.
The device comprises a shell, a bearing seat, an output flange, a positioning pin, a bolt, a 6-oil seal, an angular contact ball bearing, a worm wheel, a 9-round nut, a bearing, a worm 11, a driving device, a connecting bolt, a bearing end cover 14 and an end cover bearing 15, wherein the shell is 1, the bearing seat is 2, the output flange is 3, the positioning pin is 4, the bolt is 5, the oil seal is 6, the angular contact ball bearing is 7, the worm wheel is 8, the.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the following specific embodiments. The following description of the embodiments is merely exemplary in nature and is in no way intended to limit the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications.
According to the embodiment of the present invention, fig. 1 is the structural section view of the present invention, fig. 2 is B-B of fig. 1, which is shown with reference to fig. 1 and 2, to the structural schematic diagram, a novel slewing reducer, mainly comprising: the shell, the driving device, the worm and the worm wheel, the worm wheel and the worm realizing mechanism can realize reverse self-locking, and the final speed ratio of the rotary speed reducer can reach ten thousand revolutions.
According to the utility model discloses an embodiment, drive arrangement is motor reducer for provide the moment of torsion, more specifically, motor reducer drives the worm wheel rotation with power transmission to worm by the worm, and torsion passes through the worm wheel and transmits in the output flange of both sides and carry out both-way output.
According to the embodiment of the utility model, the rotating shaft of the motor reducer is connected with the worm through a flat key, two ends of the worm are respectively provided with a bearing, the inner ring of the bearing is connected with the worm, the outer ring of the worm is fixed in the shell, the worm is rotatably arranged in the shell, and two ends of the worm are respectively provided with a round nut for locking the bearing; the worm transfers torque to the worm gear.
According to the embodiment of the utility model, the worm wheel is meshed with the worm, and the two ends of the worm wheel are back-to-back provided with the angular contact ball bearings, so that the axial load borne by the angular contact ball bearings is inward, the tightening bolts are saved between the bearing seat and the shell, the processing difficulty is reduced, the reliability of the rotary speed reducer is improved, the installation is simple, and the manufacturing cost of the rotary speed reducer is reduced; be provided with the bearing frame in the casing for the installation angular contact ball bearing, more specifically, angular contact ball bearing's inner circle with the worm wheel links to each other, angular contact ball bearing's outer lane is fixed in the bearing frame, the worm wheel both ends adopt two dish angular contact ball bearing, and bearing capacity is big, can bear two-way axial load, can bear great radial load and overturning moment simultaneously, and the bearing adopts certain pretension load, has improved slewing reducer reliability and precision.
According to the embodiment of the utility model, the two output ends of the worm wheel are respectively connected with an output flange for double-flange torque output; one side of the output flange is abutted to the angular contact ball bearing and used for axially positioning the angular contact ball bearing, and the other side of the output flange is fixed on the worm wheel through a positioning pin and locked through a bolt.
Fig. 3 is prior art bearing end cover structure sketch map, and it is shown with reference to fig. 3, when carrying out end cover bearing's fixed mounting, sets up bearing end cover and connecting bolt, and is fixed to the bearing end cover through connecting bolt, and then right end cover bearing advances line location fixed, and the utility model discloses worm wheel both ends adopt two dish angular contact ball bearings to install back to back, make slewing reducer have saved bearing end cover and connecting bolt isotructure in fig. 3, utilize output flange to carry out axial positioning to two angular contact ball bearings simultaneously, replace the bearing end cover, make the structure simpler, reduced slewing reducer manufacturing cost height, improved slewing reducer reliability.
According to the utility model discloses an embodiment, be provided with the oil blanket between bearing frame and the output flange, adopt the oil blanket to seal, sealing performance is reliable and the gas tightness is good, and air, dust are difficult for getting into slewing reducer, have guaranteed the cleanliness of slewing reducer lubricating grease, and the box part is inside to be difficult for by the oxidation, has improved slewing reducer life.
According to the utility model discloses an embodiment, the worm wheel adopts two body structures, specifically is: the worm wheel core part is made of steel, and the worm wheel tooth part is made of non-ferrous metal wear-resistant materials, so that the processing performance is improved, and the material cost is saved.
To sum up, the utility model discloses optimized slewing reducer's mounting structure, reduced the slewing reducer processing degree of difficulty, reduced slewing reducer manufacturing cost height, improved slewing reducer reliability and precision, be fit for batch production more.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connecting" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that various changes, modifications, substitutions and alterations can be made in the above embodiments by those skilled in the art without departing from the scope of the present invention, and that various changes in the detailed description and applications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (7)
1. A novel slew reducer comprising: the worm gear is connected with the driving device, the worm is rotatably arranged in the shell, and the worm gear is meshed with the worm; one side of the output flange is abutted to the angular contact ball bearing and used for axially positioning the angular contact ball bearing, and the other side of the output flange is fixed on the worm wheel through a positioning pin and locked through a bolt.
2. The novel slew reducer of claim 1 where the drive is a motor reducer for providing torque.
3. The novel slew reducer of claim 1 where an oil seal is provided between the bearing mount and the output flange.
4. The novel slewing reducer according to claim 1, wherein bearings are respectively arranged at two ends of the worm, an inner ring of each bearing is connected with the worm, and an outer ring of each worm is fixed in the casing.
5. The novel slew reducer of claim 1 where the inner race of the angular contact ball bearing is attached to the worm gear and the outer race of the angular contact ball bearing is fixed within the bearing housing.
6. The novel slew reducer of claim 2, where the motor reducer is connected to the worm by a flat key.
7. The novel rotary speed reducer of claim 1, wherein the core of the worm gear is made of steel material, and the teeth of the worm gear are made of non-ferrous metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033769.1U CN209781629U (en) | 2019-01-09 | 2019-01-09 | Novel rotary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033769.1U CN209781629U (en) | 2019-01-09 | 2019-01-09 | Novel rotary speed reducer |
Publications (1)
| Publication Number | Publication Date |
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| CN209781629U true CN209781629U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920033769.1U Active CN209781629U (en) | 2019-01-09 | 2019-01-09 | Novel rotary speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654199A (en) * | 2019-01-09 | 2019-04-19 | 银川威力传动技术股份有限公司 | A kind of novel rotation retarder |
-
2019
- 2019-01-09 CN CN201920033769.1U patent/CN209781629U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654199A (en) * | 2019-01-09 | 2019-04-19 | 银川威力传动技术股份有限公司 | A kind of novel rotation retarder |
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