CN104141738A - A worm and worm gear decelerating mechanism - Google Patents
A worm and worm gear decelerating mechanism Download PDFInfo
- Publication number
- CN104141738A CN104141738A CN201310163934.2A CN201310163934A CN104141738A CN 104141738 A CN104141738 A CN 104141738A CN 201310163934 A CN201310163934 A CN 201310163934A CN 104141738 A CN104141738 A CN 104141738A
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- China
- Prior art keywords
- turbine
- worm
- transmission
- driving mechanism
- worm screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
- F16H1/225—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes with two or more worm and worm-wheel gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/2854—Toothed gearings for conveying rotary motion with gears having orbital motion involving conical gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
A worm and worm gear decelerating mechanism comprises a driving mechanism, a first worm and worm gear transmission mechanism connected with the driving mechanism, and a second worm and worm gear transmission mechanism. The decelerating mechanism is a double-stage progressive worm and worm gear decelerating mechanism. Large speed reduction ratio and low noise are realized by the first worm and worm gear transmission mechanism. High torque transmission and low noise are realized by the second worm and worm gear transmission mechanism. The power transmitted by a driving motor is decomposed by the first worm and worm gear transmission mechanism to a first worm gear and a second worm gear via a first driving worm, and then further delivered to a first transmission worm and a second transmission worm of the second worm and worm gear transmission mechanism. The driving force of the driving motor is delivered to a third worm gear by the first transmission worm and the second transmission worm and finally output by an output mechanism. The decelerating mechanism reduces the impact force of the driving motor and efficiently reduces noise. By double-stage transmission decomposition, the travel is prolonged, the rotating speed is reduced, and the torque and speed reduction ratio are efficiently improved.
Description
Technical field
The present invention relates to a kind of transmission device, specifically, relate to a kind of turbine worm reducer structure.
Background technique
Turbine and worm decelerator is a kind of power transmission mechanism, utilizes the velocity transducer of gear, and the winding number of motor (motor) is decelerated to desired winding number, and obtains the mechanism of larger torque.At present, for the mechanism of transferring power and motion, the application area of reducing gear is quite extensive.
Turbine and worm decelerator basic structure mainly consists of driving parts worm and gear, axle, bearing and driving mechanism and output mechanism.Worm and gear Main Function transmits motion and the power between two alternating axiss, and bearing and axle Main Function are transmission of power, turn round and raise the efficiency.
The problem that prior art exists is: directly driving type transmission, and between each parts of reducing gear, noise is large and moment of torsion is less, and reduction of speed is smaller.
Therefore,, for existing problems of the prior art, need badly and provide that a kind of noise is little, moment of torsion is large, reduction of speed seems particularly important than the technology of large turbine and worm decelerator.
Summary of the invention
The object of the invention is to avoid deficiency of the prior art and provide that a kind of noise is little, moment of torsion is large, reduction of speed is than large turbine and worm decelerator.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of turbine worm reducer structure, include driving mechanism, the the first turbine and worm driving mechanism being connected with driving mechanism, the second turbine and worm driving mechanism, described the first turbine and worm driving mechanism includes the first driving worm screw, respectively with the described first the first turbine and the second turbine that drives worm meshing, first drives worm screw one end to drive and be connected with described driving mechanism, the second turbine and worm driving mechanism includes the first transmission worm screw, the second transmission worm screw and respectively at the 3rd turbine of described the first transmission worm screw and described the second transmission worm meshing, described the first turbine is connected with described the first transmission worm drive, described the second turbine is connected with described the second transmission worm drive, described the 3rd turbine is connected with output mechanism.
Wherein, described the first turbine and the second turbine are arranged at respectively the described first both sides that drive worm screw, and with described first drive worm meshing.
Wherein, described the 3rd turbine is arranged between described the first transmission worm screw and the second transmission worm screw, and respectively with described the first transmission worm screw and the second transmission worm meshing.
Wherein, described output mechanism is set to vertical output mechanism.
Wherein, described vertical output mechanism is provided with and is arranged at main shaft, bevel pinion, bevel gear wheel, the output shaft of the 3rd turbine one end and is arranged at the 3rd turbine the other end sun gear, planet wheel, planet wheel inner ring, planet stent, planet wheel shaft, described the 3rd turbine is driven and is connected with described bevel pinion by main shaft, bevel pinion and the engagement of described bevel gear wheel, described bevel gear wheel drives and is connected with described output shaft; Described sun gear and described the 3rd turbine coaxial rotation, described sun gear and the engagement of described planet wheel one end, the described planet wheel the other end and the engagement of described planet wheel inner ring, described planet stent and described planet wheel shaft are fixedly installed on described planet wheel.
Wherein, described driving mechanism is provided with drive motor and belt pulley, and described drive motor drives and is connected with described belt pulley, and described belt pulley and described first drives worm screw to be coaxially connected.
Wherein, described output mechanism is set to horizontal output mechanism.
Wherein, described horizontal output mechanism is provided with output main shaft, and described output main shaft one end is connected with described the 3rd turbine by bearing.
Wherein, described driving mechanism is provided with drive motor, and the motor spindle of described drive motor drives worm drive to be connected by bearing and described first.
Wherein, when described driving mechanism motion, first drives worm drive the first turbine and the second turbine to rotate in opposite directions, and the first turbine and second turbine drives the first transmission worm screw and the second transmission worm screw are rotated in opposite directions, and the first transmission worm screw and the second transmission worm drive the 3rd turbine clockwise rotate.
Beneficial effect of the present invention:
A kind of turbine worm reducer structure, include driving mechanism, the the first turbine and worm driving mechanism being connected with driving mechanism, the second turbine and worm driving mechanism, described the first turbine and worm driving mechanism includes the first driving worm screw, respectively with the described first the first turbine and the second turbine that drives worm meshing, first drives worm screw one end to drive and be connected with described driving mechanism, the second turbine and worm driving mechanism includes the first transmission worm screw, the second transmission worm screw and respectively at the 3rd turbine of described the first transmission worm screw and described the second transmission worm meshing, described the first turbine is connected with described the first transmission worm drive, described the second turbine is connected with described the second transmission worm drive, described the 3rd turbine is connected with output mechanism.
The present invention adopts the laddering turbine worm reducer structure of secondary, realizes large reduction of speed ratio and low noise: by the second turbine and worm driving mechanism, realize large torque drive and little noise by the first turbine and worm driving mechanism.The first turbine and worm driving mechanism drives worm screw by power decomposition to the first turbine and second turbine of drive motor transmission by first, then be further passed to the first transmission worm screw and the second transmission worm screw of the second turbine and worm driving mechanism, the driving force that the first transmission worm screw and the second transmission worm screw bring drive motor is passed to the 3rd turbine and finally by output mechanism, is exported, by the turbine and worm driving mechanism of secondary, reduced the impact force that drive motor brings, effectively reduce noise, through secondary transmission, decompose, stroke lengthens, rotating speed reduces, effectively raise moment of torsion and reduction of speed ratio.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the embodiment's 1 of a kind of turbine worm reducer structure of the present invention structural representation.
Fig. 2 is the embodiment's 2 of a kind of turbine worm reducer structure of the present invention structural representation.
In Fig. 1, Fig. 2, include:
1---driving mechanism,
101---drive motor, 102---belt pulley
2---the first turbine and worm driving mechanism
201---first driving worm screw, 202---first turbine, 203---the second turbines
3---the second turbine and worm driving mechanism
301---the first transmission worm screw, 302---second transmission worm screw, 303---the 3rd turbines
4---output mechanism
401---bevel pinion, 402---bevel gear wheel, 403---output shaft, 404---sun gear, 405---planet wheel, 406---planet wheel inner ring, 407---planet stent,
408---planet wheel shaft.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
A kind of turbine worm reducer structure, as shown in Figure 1, include driving mechanism 1, the the first turbine and worm driving mechanism 2 being connected with driving mechanism 1, the second turbine and worm driving mechanism 3, described the first turbine and worm driving mechanism 2 includes the first driving worm screw 201, respectively with the described first the first turbine 202 and the second turbine 203 that drives worm screw 201 to mesh, first drives worm screw 201 one end to drive and be connected with described driving mechanism 1, the second turbine and worm driving mechanism 3 includes the first transmission worm screw 301, the second transmission worm screw 302 and the 3rd turbine 303 meshing respectively at described the first transmission worm screw 301 and described the second transmission worm screw 302, described the first turbine 202 drives and is connected with described the first transmission worm screw 301, described the second turbine 203 drives and is connected with described the second transmission worm screw 302, described the 3rd turbine 303 is connected with output mechanism 4.
The present invention adopts the laddering turbine worm reducer structure of secondary, realizes large reduction of speed ratio and low noise: by the second turbine and worm driving mechanism 3, realize large torque drive and little noise by the first turbine and worm driving mechanism 2.The first turbine and worm driving mechanism 2 drives worm screw 201 by power decomposition to the first turbine 202 and second turbine 203 of drive motor 101 transmission by first, then be further passed to the first transmission worm screw 301 and the second transmission worm screw 302 of the second turbine and worm driving mechanism 3, the driving force that the first transmission worm screw 301 and the second transmission worm screw 302 bring drive motor is passed to the 3rd turbine 303 and finally by output mechanism 4, is exported, by the turbine and worm driving mechanism of secondary, reduced the impact force that drive motor 101 brings, effectively reduce noise, through secondary transmission, decompose, stroke lengthens, rotating speed reduces, effectively raise moment of torsion and reduction of speed ratio.
When described driving mechanism 1 motion, first drives worm screw 201 to drive the first turbine 202 and the second turbine 203 to rotate in opposite directions, the first turbine 202 and the second turbine 203 drive the first transmission worm screw 301 and the second transmission worm screw 302 to rotate in opposite directions, and the first transmission worm screw 301 and the second transmission worm screw 302 drive the 3rd turbine 303 to clockwise rotate.
Described the first turbine 202 and the second turbine 203 are arranged at respectively described first and drive the both sides of worm screw 201, and mesh with described the first driving worm screw 201; Described the 3rd turbine 303 is arranged between described the first transmission worm screw 301 and the second transmission worm screw 302, and meshes with described the first transmission worm screw 301 and the second transmission worm screw 302 respectively.Adopt said structure effectively to reduce the volume of turbine worm reducer structure, make turbine worm reducer structure compact structure, and transmission is stable.
The present invention can connect vertical output mechanism.
Described vertical output mechanism is provided with main shaft, bevel pinion 401, bevel gear wheel 402, the output shaft 403 that is arranged at the 3rd turbine 303 one end and sun gear 404, planet wheel 405, planet wheel inner ring 406, planet stent 407, the planet wheel shaft 408 that is arranged at the 3rd turbine 303 the other ends, described the 3rd turbine 303 is driven and is connected with described bevel pinion 401 by main shaft, bevel pinion 401 and described bevel gear wheel 402 engagements, described bevel gear wheel 402 drives and is connected with described output shaft 403; Described sun gear 404 and described the 3rd turbine 303 coaxial rotation, described sun gear 404 and described planet wheel 405 one end engagements, described planet wheel 405 the other ends and 406 engagements of described planet wheel inner ring, described planet stent 407 and described planet wheel shaft 408 are fixedly installed on described planet wheel 405.
Described driving mechanism 1 is provided with drive motor 101 and belt pulley 102, and described drive motor 101 drives and is connected with described belt pulley 102, and described belt pulley 102 and described first drives worm screw 201 to be coaxially connected.Drive motor 101 rotates by being arranged at small gear and the tooth-like belt drives belt pulley 102 of motor spindle, and then drives first to drive worm screw 201.
By vertical output mechanism, driving mechanism 1 can be exported through output shaft 403 through the driving force of the first turbine and worm driving mechanism 2, the second turbine and worm driving mechanism 3, applied widely.
Embodiment 2
A kind of turbine worm reducer structure of the present invention, as shown in Figure 2, the main technical schemes of the present embodiment is substantially the same manner as Example 1, and the feature not laying down a definition in the present embodiment adopts the explanation in embodiment 1, at this, no longer repeats.The present embodiment and embodiment's 1 difference is:
Described output mechanism 4 is set to horizontal output mechanism 4, and horizontal output mechanism 4 is provided with output main shaft, and described output main shaft one end is connected with described the 3rd turbine 303 by bearing; Driving mechanism 1 is provided with drive motor 101, and the motor spindle of described drive motor 101 drives worm screw 201 drivings to be connected by bearing and described first.
By horizontal output mechanism, driving mechanism 1 can be exported through output main shaft through the driving force of the first turbine and worm driving mechanism 2, the second turbine and worm driving mechanism 3, applied widely.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a turbine worm reducer structure, include driving mechanism, the the first turbine and worm driving mechanism being connected with driving mechanism, the second turbine and worm driving mechanism, described the first turbine and worm driving mechanism includes the first driving worm screw, respectively with the described first the first turbine and the second turbine that drives worm meshing, first drives worm screw one end to drive and be connected with described driving mechanism, the second turbine and worm driving mechanism includes the first transmission worm screw, the second transmission worm screw and respectively at the 3rd turbine of described the first transmission worm screw and described the second transmission worm meshing, described the first turbine is connected with described the first transmission worm drive, described the second turbine is connected with described the second transmission worm drive, described the 3rd turbine is connected with output mechanism.
2. a kind of turbine worm reducer structure according to claim 1, is characterized in that: described the first turbine and the second turbine are arranged at respectively the described first both sides that drive worm screw, and with described first drive worm meshing.
3. a kind of turbine worm reducer structure according to claim 1, is characterized in that: described the 3rd turbine is arranged between described the first transmission worm screw and the second transmission worm screw, and respectively with described the first transmission worm screw and the second transmission worm meshing.
4. a kind of turbine worm reducer structure according to claim 1, is characterized in that: described output mechanism is set to vertical output mechanism.
5. a kind of turbine worm reducer structure according to claim 4, it is characterized in that: described vertical output mechanism is provided with and is arranged at main shaft, bevel pinion, bevel gear wheel, the output shaft of the 3rd turbine one end and is arranged at the 3rd turbine the other end sun gear, planet wheel, planet wheel inner ring, planet stent, planet wheel shaft, described the 3rd turbine is driven and is connected with described bevel pinion by main shaft, bevel pinion and the engagement of described bevel gear wheel, described bevel gear wheel drives and is connected with described output shaft; Described sun gear and described the 3rd turbine coaxial rotation, described sun gear and the engagement of described planet wheel one end, the described planet wheel the other end and the engagement of described planet wheel inner ring, described planet stent and described planet wheel shaft are fixedly installed on described planet wheel.
6. a kind of turbine worm reducer structure according to claim 5, it is characterized in that: described driving mechanism is provided with drive motor and belt pulley, described drive motor drives and is connected with described belt pulley, and described belt pulley and described first drives worm screw to be coaxially connected.
7. a kind of turbine worm reducer structure according to claim 1, is characterized in that: described output mechanism is set to horizontal output mechanism.
8. a kind of turbine worm reducer structure according to claim 4, is characterized in that: described horizontal output mechanism is provided with output main shaft, and described output main shaft one end is connected with described the 3rd turbine by bearing.
9. a kind of turbine worm reducer structure according to claim 8, is characterized in that: described driving mechanism is provided with drive motor, and the motor spindle of described drive motor drives worm drive to be connected by bearing and described first.
10. a kind of turbine worm reducer structure according to claim 1, it is characterized in that: when described driving mechanism motion, first drives worm drive the first turbine and the second turbine to rotate in opposite directions, the first turbine and second turbine drives the first transmission worm screw and the second transmission worm screw are rotated in opposite directions, and the first transmission worm screw and the second transmission worm drive the 3rd turbine clockwise rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310163934.2A CN104141738A (en) | 2013-05-07 | 2013-05-07 | A worm and worm gear decelerating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310163934.2A CN104141738A (en) | 2013-05-07 | 2013-05-07 | A worm and worm gear decelerating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104141738A true CN104141738A (en) | 2014-11-12 |
Family
ID=51851013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310163934.2A Pending CN104141738A (en) | 2013-05-07 | 2013-05-07 | A worm and worm gear decelerating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104141738A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317936A (en) * | 2015-12-11 | 2016-02-10 | 天津中控海容科技有限公司 | Motor associated mode doublestage worm gear speed reducer machine |
| CN106969095A (en) * | 2017-05-05 | 2017-07-21 | 佛山市众力皮革机械有限公司 | The worm gear of double-screw structure |
| CN109630618A (en) * | 2019-01-17 | 2019-04-16 | 杭州星河传动机械研究院有限公司 | A kind of synchronous high-mechanic speed reducer |
| EP3530981A1 (en) * | 2017-11-08 | 2019-08-28 | Produktide AS | Worm gear system |
| CN111395225A (en) * | 2020-04-28 | 2020-07-10 | 厦门杰田科技有限公司 | Three-section type lifting column |
| CN111671236A (en) * | 2020-06-30 | 2020-09-18 | 惠州市金力智能科技有限公司 | Rotary lifting mechanism of electric dining table |
| CN111706645A (en) * | 2020-06-30 | 2020-09-25 | 惠州市金力智能科技有限公司 | Double-worm and planetary gear train composite speed change mechanism |
| CN112253695A (en) * | 2020-10-12 | 2021-01-22 | 浙江诸暨万宝机械有限公司 | Actuator comprising double-turbine transmission assembly and electronic parking system |
| CN112647123A (en) * | 2019-10-10 | 2021-04-13 | 硅电子股份公司 | Apparatus and method for pulling a single crystal of semiconductor material |
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| DE333649C (en) * | 1919-10-05 | 1921-03-03 | Henry Seemann | Worm for worm gear |
| DE889701C (en) * | 1949-03-22 | 1953-09-28 | Siemens Ag | Reduction gear with worm gearing |
| DE977207C (en) * | 1952-12-24 | 1965-06-10 | Schiess Ag | Gear hobbing machine |
| DE10254127A1 (en) * | 2002-11-20 | 2004-06-17 | Cimosys Ag | Electric furniture drive for adjusting furniture parts relative to one another, has gear/transmission arrangement with gear rods connected on input side to drive motor and on output sides to common gear/transmission element |
| CN102973171A (en) * | 2011-09-07 | 2013-03-20 | 深圳市牧人电器五金制品有限公司 | Dough kneading hook structure |
| CN203230793U (en) * | 2013-05-07 | 2013-10-09 | 深圳市牧人电器五金制品有限公司 | Worm and gear reducing mechanism |
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2013
- 2013-05-07 CN CN201310163934.2A patent/CN104141738A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| DE333649C (en) * | 1919-10-05 | 1921-03-03 | Henry Seemann | Worm for worm gear |
| DE889701C (en) * | 1949-03-22 | 1953-09-28 | Siemens Ag | Reduction gear with worm gearing |
| DE977207C (en) * | 1952-12-24 | 1965-06-10 | Schiess Ag | Gear hobbing machine |
| DE10254127A1 (en) * | 2002-11-20 | 2004-06-17 | Cimosys Ag | Electric furniture drive for adjusting furniture parts relative to one another, has gear/transmission arrangement with gear rods connected on input side to drive motor and on output sides to common gear/transmission element |
| CN102973171A (en) * | 2011-09-07 | 2013-03-20 | 深圳市牧人电器五金制品有限公司 | Dough kneading hook structure |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317936A (en) * | 2015-12-11 | 2016-02-10 | 天津中控海容科技有限公司 | Motor associated mode doublestage worm gear speed reducer machine |
| CN106969095A (en) * | 2017-05-05 | 2017-07-21 | 佛山市众力皮革机械有限公司 | The worm gear of double-screw structure |
| EP3530981A1 (en) * | 2017-11-08 | 2019-08-28 | Produktide AS | Worm gear system |
| CN109630618A (en) * | 2019-01-17 | 2019-04-16 | 杭州星河传动机械研究院有限公司 | A kind of synchronous high-mechanic speed reducer |
| CN112647123A (en) * | 2019-10-10 | 2021-04-13 | 硅电子股份公司 | Apparatus and method for pulling a single crystal of semiconductor material |
| CN111395225A (en) * | 2020-04-28 | 2020-07-10 | 厦门杰田科技有限公司 | Three-section type lifting column |
| CN111671236A (en) * | 2020-06-30 | 2020-09-18 | 惠州市金力智能科技有限公司 | Rotary lifting mechanism of electric dining table |
| CN111706645A (en) * | 2020-06-30 | 2020-09-25 | 惠州市金力智能科技有限公司 | Double-worm and planetary gear train composite speed change mechanism |
| CN112253695A (en) * | 2020-10-12 | 2021-01-22 | 浙江诸暨万宝机械有限公司 | Actuator comprising double-turbine transmission assembly and electronic parking system |
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Application publication date: 20141112 |