CN202732866U - Planet gear speed reducer achieving manual speed adjustment - Google Patents
Planet gear speed reducer achieving manual speed adjustment Download PDFInfo
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- CN202732866U CN202732866U CN 201220376790 CN201220376790U CN202732866U CN 202732866 U CN202732866 U CN 202732866U CN 201220376790 CN201220376790 CN 201220376790 CN 201220376790 U CN201220376790 U CN 201220376790U CN 202732866 U CN202732866 U CN 202732866U
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- planet
- gear
- casing
- speed
- speed governing
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Abstract
The utility model provides a planet gear speed reducer achieving manual speed adjustment which at least comprises a machine shell and a two-stage planet gear transmission mechanism arranged in the machine shell, a one-stage sun wheel is meshed with a one-stage planet gear, the one-stage planet gear can rotate on a planet pin shaft of a one-stage planet plate, a two-stage sun wheel is meshed with a two-stage planet gear, the two-stage planet gear can rotate on a planet pin shaft of a two-stage planet plate, the two-stage sun wheel is fixed with the one-stage planet plate, a synchronous tooth A is arranged on the one-stage planet plate, a synchronous tooth B meshed with the synchronous tooth A is further arranged inside the machine shell, the synchronous tooth B and a gear ring of a two-stage planet gear train are in an integral structure, and a synchronous tooth C meshed with the synchronous tooth B is fixed inside the machine shell in the output shaft direction. The planet gear speed reducer is simple in structure, the speed of the speed reducer can be adjusted by means of manual rotation of a speed adjustment outer shell, two different kinds of output torque are accordingly obtained, the one-machine speed reduction ratio can be converted, production and manufacturing time is saved, and working efficiency is improved.
Description
Technical field
The utility model relates to a kind of speed reducer, particularly a kind of can be by manually coming the planet-gear speed reducer of speed governing.
Background technique
Speed reducer is a kind of power transmission mechanism, utilizes the velocity transducer of gear, the winding number of motor is decelerated to desired winding number, and obtain the mechanism of larger torque.For the mechanism of transferring power and motion, the application area of speed reducer is quite extensive at present.Almost in the transmission system of various machinery, can see its trace, from boats and ships, automobile, the locomotive of the traffic tool, heavy machinery for building, the machining machine and tool that mechanical industry is used and automated production equipment, common household electrical appliances in the daily life, clock and watch etc.It uses the transmission work from large power, and to little load, accurate angle transmission can be seen the application of speed reducer, and on commercial Application, speed reducer has deceleration and increases torque functions.Therefore be widely used in the conversion equipment of speed and moment of torsion.Speed reducer is a kind of relatively accurate machinery, and the purpose of using it is to reduce rotating speed, increases torque.It of a great variety, model is different, and variety classes has different purposes.Retarder of a great variety can be divided into gear reduction unit, worm decelerating machine and planet-gear speed reducer according to the transmission type.
For a long time, the planetary speed reducer that uses in traditional small-sized hole process equipment all is single speed ratio, and speed and moment of torsion all are definite values, so the hole process equipment has certain machining range, can not comprehensive process, and inefficiency.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provide a kind of can be by manually coming the planet-gear speed reducer of speed governing.
The technological scheme that its technical problem that solves the utility model adopts is:
But a kind of planet-gear speed reducer of manual governing, at least comprise casing and be arranged on the interior two-stage planet driving mechanism of casing, its one-level sun gear and the engagement of one-level planet wheel, the one-level planet wheel can rotate at the planet bearing pin of one-level planet plate, secondary solar gear and the engagement of secondary planet wheel, the secondary planet wheel can rotate at the planet bearing pin of secondary planet plate, secondary solar gear and one-level planet plate are fixed, be provided with synchronous gear A on the described one-level planet plate, also be provided with the synchronous gear B that is meshed with synchronous gear A in the casing, the gear ring of synchronous gear B and secondary planet train is structure as a whole, be fixed with the synchronous gear C that is meshed with synchronous gear B on the output shaft direction in the casing, be connected with bearing pin on the synchronous gear B, described casing is cylindrical structure, the cylndrical surface of casing is provided with groove, have the oblique single-wire helix wire casing with the bearing pin Spielpassung on the groove, be provided with the speed governing shell that cooperates with it in the groove, be provided with the blind hole groove that cooperates with bearing pin on the inwall of speed governing shell, speed governing shell front end is provided with convex shoulder, has the boss that cooperates with convex shoulder on the casing front-end face adjacent with groove, between convex shoulder and the boss spring is installed, have two measure-alike locating slots on the circular end surface of the casing rear end adjacent with groove, arc length distance between two locating slots is provided with the positioning block that cooperates with locating slot less than the wire casing length of single-wire helix wire casing on the end face of speed governing outer casing back.The speed governing shell can move axially in groove, and rotates around the central axis of casing.
The speed governing shell can axially movable distance greater than the length of positioning block.
Described speed governing shell drives bearing pin and produces axial displacement L when axis rotates.
The angle rotatable of described speed governing shell equals the oblique angle of the central axis of single-wire helix wire casing and speed governing shell.
The pretightening force of described spring is 10-15N.
The beneficial effect that the utility model compared with prior art has is: but the planet-gear speed reducer of a kind of manual governing that the utility model provides, not only simple in structure, and can directly adjust the speed of speed reducer by manual rotation speed governing shell, obtain two kinds of different output torques with this, its unit reduction speed ratio can be controlled on 3:1 and two kinds of speed ratios of 100:1, saved the time of production and processing, improved working efficiency, also reduce simultaneously the operation of product specification production and simplified product structure, saved the production material of product.
Description of drawings
Fig. 1 is the structural representation of the utility model integral body;
Fig. 2 is the structural representation of part among Fig. 1;
Fig. 3 is the structural representation of another part among Fig. 1;
Fig. 4 is the topology view that the utility model begins speed governing;
Fig. 5 is the topology view in the utility model speed governing;
Fig. 6 is the topology view after the utility model speed governing.
In the accompanying drawing: 1-casing, 2-speed governing shell, 3-synchronous gear A, 4-synchronous gear B, 5-synchronous gear C, 6-bearing pin, 7-single-wire helix wire casing, 8-blind hole groove, 9-convex shoulder, 10-boss, 11-spring, 12-locating slot, 13-positioning block.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
But a kind of planet-gear speed reducer of manual governing, with reference to Fig. 1～Fig. 3, at least comprise casing 1 and be arranged on two-stage planet driving mechanism in the casing 1, its one-level sun gear and the engagement of one-level planet wheel, the one-level planet wheel can rotate at the planet bearing pin of one-level planet plate, secondary solar gear and the engagement of secondary planet wheel, the secondary planet wheel can rotate at the planet bearing pin of secondary planet plate, secondary solar gear and one-level planet plate are fixed, be provided with synchronous gear A 3 on the described one-level planet plate, also be provided with the synchronous gear B 4 that is meshed with synchronous gear A 3 in the casing 1, synchronous gear B 4 is structure as a whole with the gear ring of secondary planet train, be fixed with the synchronous gear C 5 that is meshed with synchronous gear B 4 on the output shaft direction in the casing 1, be connected with bearing pin 6 on the synchronous gear B 4, described casing 1 is cylindrical structure, the cylndrical surface of casing 1 is provided with groove, have the oblique single-wire helix wire casing 7 with bearing pin 6 Spielpassung on the groove, be provided with the speed governing shell 2 that cooperates with it in the groove, be provided with the blind hole groove 8 that cooperates with bearing pin 6 on the inwall of speed governing shell 2, speed governing shell 2 front ends are provided with convex shoulder 9, has the boss 10 that cooperates with convex shoulder 9 on casing 1 front-end face adjacent with groove, between convex shoulder 9 and the boss 10 spring 11 is installed, have two measure-alike locating slots 12 on the circular end surface of the casing rear end adjacent with groove, arc length distance between two locating slots 12 is provided with the positioning block 13 that cooperates with locating slot 12 less than the wire casing length of single-wire helix wire casing 7 on the end face of speed governing shell 2 rear ends.Speed governing shell 2 can move axially in groove, and rotates around the central axis of casing.
As preferably, speed governing shell 2 can axially movable distance greater than the length of positioning block 13.Described speed governing shell 2 drives bearing pin 6 and produces axial displacement L when axis rotates.The angle rotatable of described speed governing shell 2 equals the oblique angle of the central axis of single-wire helix wire casing 7 and speed governing shell 2.The pretightening force of described spring 11 is 10-15N.
In the present embodiment, with reference to Fig. 4, under the normal operating condition, synchronous gear B 4 and synchronous gear C 5 engagements, this moment, the reduction speed ratio of speed reducer was 3:1, when the needs speed governing, at first grasp speed governing shell 2 mobile vertically, move axially direction and point to boss 10, make positioning block 13 on the speed governing shell 2 break away from locating slot 12 on the casing 1 fully, can around the central axis rotation speed governing shell 2 of casing 1, make positioning block 13 move to another locating slot this moment.Speed governing shell 2 promotes bearing pins 6 in the 7 interior movements of single-wire helix wire casing, and bearing pin 6 promoted simultaneously synchronous gear B 4 and moved axially this moment, broke away from synchronous gear C 5, and the distance of axial displacement of bearing pin 6 is L/2, with reference to Fig. 5.
Then continue rotation speed governing shell 2, make synchronous gear B 4 and synchronous gear A 3 engagements, and positioning block 13 arrives the position of next locating slot 12, and positioning block 13 is inserted in the locating slot 12, unclamps speed governing shell 2, under the effect of the elastic force of spring 11, positioning block 13 closely cooperates with locating slot 12, finishes speed governing, and bearing pin 6 axial displacement at this moment is L, with reference to Fig. 6, this moment, the reduction speed ratio of speed reducer was 100:1.Owing to being subject to the effect of spring force, simultaneously speed governing shell 2 also can be compacted, can not produce large vibration in the course of the work.
The utility model compared with prior art, the utility model makes the positioning block on it break away from locating slot by downward pulling speed governing shell, and rotation speed governing shell is to another locating slot, bearing pin moves along the single-wire helix wire casing simultaneously, bearing pin promotion synchronous gear B is engaged to synchronous gear A or synchronous gear C comes existing speed governing in fact, its medi-spring remains in the locating slot speed governing shell, the engagement of locking synchronization tooth B and arbitrary synchronous gear, reach the purpose of speed governing, of the present utility model simple in structure, easy to operate, improved working efficiency.
Claims (5)
1. but the planet-gear speed reducer of a manual governing, at least comprise casing and be arranged on the interior two-stage planet driving mechanism of casing, its one-level sun gear and the engagement of one-level planet wheel, the one-level planet wheel can rotate at the planet bearing pin of one-level planet plate, secondary solar gear and the engagement of secondary planet wheel, the secondary planet wheel can rotate at the planet bearing pin of secondary planet plate, secondary solar gear and one-level planet plate are fixed, it is characterized in that: be provided with synchronous gear A on the described one-level planet plate, also be provided with the synchronous gear B that is meshed with synchronous gear A in the casing, the gear ring of synchronous gear B and secondary planet train is structure as a whole, be fixed with the synchronous gear C that is meshed with synchronous gear B on the output shaft direction in the casing, be connected with bearing pin on the synchronous gear B, described casing is cylindrical structure, the cylndrical surface of casing is provided with groove, have the oblique single-wire helix wire casing with the bearing pin Spielpassung on the groove, be provided with the speed governing shell that cooperates with it in the groove, be provided with the blind hole groove that cooperates with bearing pin on the inwall of speed governing shell, speed governing shell front end is provided with convex shoulder, has the boss that cooperates with convex shoulder on the casing front-end face adjacent with groove, between convex shoulder and the boss spring is installed, have two measure-alike locating slots on the circular end surface of the casing rear end adjacent with groove, arc length distance between two locating slots is provided with the positioning block that cooperates with locating slot less than the wire casing length of single-wire helix wire casing on the end face of speed governing outer casing back.The speed governing shell can move axially in groove, and rotates around the central axis of casing.
2. but the planet-gear speed reducer of manual governing according to claim 1 is characterized in that: the speed governing shell can axially movable distance greater than the length of positioning block.
3. but the planet-gear speed reducer of manual governing according to claim 1 is characterized in that: described speed governing shell drives bearing pin and produces axial displacement L when axis rotates.
4. but the planet-gear speed reducer of manual governing according to claim 1, it is characterized in that: the angle rotatable of described speed governing shell equals the oblique angle of the central axis of single-wire helix wire casing and speed governing shell.
5. but the planet-gear speed reducer of manual governing according to claim 1, it is characterized in that: the pretightening force of described spring is 10-15N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376790 CN202732866U (en) | 2012-07-31 | 2012-07-31 | Planet gear speed reducer achieving manual speed adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376790 CN202732866U (en) | 2012-07-31 | 2012-07-31 | Planet gear speed reducer achieving manual speed adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202732866U true CN202732866U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220376790 Expired - Fee Related CN202732866U (en) | 2012-07-31 | 2012-07-31 | Planet gear speed reducer achieving manual speed adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202732866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203401A (en) * | 2013-04-18 | 2013-07-17 | 上海电机学院 | Automatic pipe bender |
-
2012
- 2012-07-31 CN CN 201220376790 patent/CN202732866U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203401A (en) * | 2013-04-18 | 2013-07-17 | 上海电机学院 | Automatic pipe bender |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |