CN107171493A - A kind of electric pushrod of bidirectional synchronous telescopic - Google Patents
A kind of electric pushrod of bidirectional synchronous telescopic Download PDFInfo
- Publication number
- CN107171493A CN107171493A CN201710493866.4A CN201710493866A CN107171493A CN 107171493 A CN107171493 A CN 107171493A CN 201710493866 A CN201710493866 A CN 201710493866A CN 107171493 A CN107171493 A CN 107171493A
- Authority
- CN
- China
- Prior art keywords
- nut
- transfer bar
- bar mechanism
- electric pushrod
- outer tube
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
Abstract
The present invention relates to a kind of electric pushrod of bidirectional synchronous telescopic, include motor outer pipe and transfer bar mechanism, it is characterised in that：Provided with double output shaft electric machines in the middle part of the motor outer pipe, described pair of output shaft electric machine two ends are equipped with synchronous gear box, and the synchronous gear box is connected with transfer bar mechanism so as to drive the transfer bar mechanism synchronization telescope at double output shaft electric machine two ends, and beneficial effects of the present invention are：Electric pushrod and the mode that double output shaft electric machines are connected are realized into two ends push rod synchronization telescope using epicyclic gearbox, the synchronization telescope precision of two ends push rod is high.
Description
Technical field
The present invention relates to electric pushrod field, and in particular to a kind of electric pushrod of bidirectional synchronous telescopic.
Background technology
Electric pushrod also known as linear actuator, are a kind of the rotary motion of motor to be changed into push rod straight reciprocating motion
Shop in drive device, its operation principle is, motor drives a pair of feed screw nuts, the rotation of motor after The gear deceleration
Motion becomes linear motion, and putter action is completed using motor forward/backward rotation.
The primary structure of existing Linear motor-driven push rod is to include motor outer pipe, the motor with gear reduction unit, determine
Position sleeve pipe, nut, screw rod and linear telescopic bar, treat that the motor of gear reduction unit is installed in motor outer pipe, motor outer
Pipe tail end is installed on motor outer pipe front end provided with end cap, locating sleeve is installed, and nut is actively tied in that can push away first slip mode
In locating sleeve, the front end of locating sleeve is provided with spacing end cap, and positive stop end is covered to be led to provided with the guiding stretched out for linear telescopic bar
Hole, nut is fixed on linear telescopic bar with the spacing cooperation of spacing end cap stop, nut, and nut thread coordinates on screw rod, spiral shell
The output end drive connection of bar and the motor with gear reduction unit.
But the Linear motor-driven push rod of this set can only realize one end rod, if its other end is also provided with into screw mandrel and screw mandrel
Nut structure, forms the electric pushrod of two-way rod, and this bidirectional electric push rod can not ensure that the expansion link at two ends is synchronous, and then
Bidirectional synchronous telescopic can not be realized.
The content of the invention
The technical problems to be solved by the invention be directed to above-mentioned the deficiencies in the prior art,
A kind of electric pushrod of bidirectional synchronous telescopic is provided.
To achieve the above object, the invention provides following technical scheme：A kind of electric pushrod of bidirectional synchronous telescopic, bag
Include motor outer pipe and transfer bar mechanism, it is characterised in that：Provided with double output shaft electric machines in the middle part of the motor outer pipe, described pair goes out
Spindle motor two ends are equipped with synchronous gear box, and the synchronous gear box is connected to drive double output shaft electric machine two ends with transfer bar mechanism
Transfer bar mechanism synchronization telescope.
Using above-mentioned technical proposal, due to being the telescopic electric pushrod in two ends, it is therefore desirable to use double output shaft electric machines
The electric pushrod simultaneous retractable at two ends is realized, an electric pushrod forward direction is installed another electric pushrod and reversely installed, to ensure
Two ends electric pushrod is moved toward opposite direction when flexible, and synchromesh gear is set between electric pushrod and double output shaft electric machines
Case ensures the flexible precision of two ends electric pushrod during simultaneous retractable.
A kind of electric pushrod of above-mentioned bidirectional synchronous telescopic can be further arranged to：The transfer bar mechanism includes first
Transfer bar mechanism and the second transfer bar mechanism, first transfer bar mechanism and the second transfer bar mechanism pass through connecting seat and synchronous gear box
Connection, the transfer bar mechanism includes worm screw, and described worm screw one end is connected to synchronous gear box, and the worm screw other end is connected with
Cut somebody's hair, one end that the worm screw is connected with synchronous gear box is provided with worm screw nut, and the worm screw nut two ends are arranged with plane
Needle bearing, the other end of the relative connection synchronous gear box one end of the connecting seat is connected with outer tube nut.
Using above-mentioned technical proposal, the bearing used on worm screw is set to plane needle bearing, not only saves and installs empty
Between so that structure is compacter, and plane bearing long lifespan need not often repair electric pushrod, substantially increase electric pushrod
Life-span.
A kind of electric pushrod of above-mentioned bidirectional synchronous telescopic can be further arranged to：The outer tube of first transfer bar mechanism
Wiring board mechanism is provided with nut, the wiring board mechanism includes wiring board, and described wiring board one end is provided with branch on wiring board
The frame other end is provided with wiring board lower carriage, and the wiring board upper bracket other end is connected with the first nut, first nut with
First outer tube is connected, and first outer tube is connected with first step nut, the first step nut and is inserted with the first inner tube.
A kind of electric pushrod of above-mentioned bidirectional synchronous telescopic can be further arranged to：The outer tube of second transfer bar mechanism
Nut side wall is exported provided with power line, and the outer tube nut other end of second transfer bar mechanism is connected with the second outer tube, and described the
Two outer tubes are connected with second step nut, the second step nut and are inserted with the second inner tube.
Using above-mentioned technical proposal, control circuit, other end push rod are set in the outer tube nut of transfer bar mechanism at one end
The outer tube nut side wall of mechanism sets power line to export, and improves the compactness of the electric pushrod of whole bidirectional synchronous telescopic.
A kind of electric pushrod of above-mentioned bidirectional synchronous telescopic can be further arranged to：The relative connection of first inner tube the
One end of one step nut and one end of the relative connection second step nut of the second inner tube are connected with cutting somebody's hair.
Using above-mentioned technical proposal, inner tube is plugged in step nut inwall, the step outer wall connection of step nut is outer
Pipe, realizes the connection of inner tube and outer tube, is connected with and cuts somebody's hair in the step nut other end, realizes that electric pushrod is cut somebody's hair connection
Locate the mechanism of connection.
A kind of electric pushrod of above-mentioned bidirectional synchronous telescopic can be further arranged to：The synchronous gear box is planet tooth
Roller box.
Beneficial effects of the present invention are：Electric pushrod is realized with the mode that double output shaft electric machines are connected using epicyclic gearbox
Two ends push rod synchronization telescope, the synchronization telescope precision of two ends push rod is high.
The present invention is described in further detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the embodiment of the present invention.
Fig. 2 is the sectional view of the embodiment of the present invention.
Embodiment
Referring to shown in Fig. 1-Fig. 2：A kind of electric pushrod of bidirectional synchronous telescopic, includes motor outer pipe 1 and push rod machine
Structure, the middle part of motor outer pipe 1 is provided with double output shaft electric machines, and double output shaft electric machine two ends rotate provided with size shape consistent but gear
Synchronous gear box in opposite direction, the transfer bar mechanism that synchronous gear box is connected the double output shaft electric machine two ends of driving with transfer bar mechanism is realized
Synchronization telescope, transfer bar mechanism include the first transfer bar mechanism 3 for being connected with the synchronous gear box of one end and with other end synchronous gear
Second transfer bar mechanism 4 of roller box connection, the first transfer bar mechanism 3 and the second transfer bar mechanism 4 pass through connecting seat 5 and synchronous gear box
Connection, transfer bar mechanism includes worm screw 6, and the one end of worm screw 6 is connected to synchronous gear box, and the other end of worm screw 6 is connected with cut somebody's hair 7, snail
One end that bar 7 is connected with synchronous gear box is provided with worm screw nut 71, and the two ends of worm screw nut 71 are equipped with plane needle bearing 72, even
The other end of the relative connection synchronous gear box one end of joint chair 5, which is connected with the first outer tube nut 8, the first outer tube nut 8, is provided with line
Road trigger structure, wiring board mechanism includes wiring board 9, and the one end of wiring board 9 is provided with circuit provided with the other end of wiring board upper bracket 91
Plate lower carriage 92, the other end of wiring board upper bracket 91 is connected with the first nut 93, and the first nut 93 is connected with the first outer tube 10, the
One outer tube 10, which is connected with first step nut 11, first step nut 11, is inserted with the first inner tube 12, and the second transfer bar mechanism 4 is set
There is the second outer tube nut 41, the side wall of the second outer tube nut 41 is provided with power line outlet 42, the connection of the other end of the second outer tube nut 41
There is the second outer tube 43, the second outer tube 43, which is connected with second step nut 44, second step nut 44, is inserted with the second inner tube 45,
One end of the relative connection first step nut 11 of first inner tube 12 and the one of the relative connection second step nut 41 of the second inner tube 43
End 7 is connected with cutting somebody's hair, and the synchronous gear box 2 used in the present invention is epicyclic gearbox.
Claims (6)
1. a kind of electric pushrod of bidirectional synchronous telescopic, includes motor outer pipe and transfer bar mechanism, it is characterised in that：The electricity
Provided with double output shaft electric machines in the middle part of machine outer tube, described pair of output shaft electric machine two ends are equipped with synchronous gear box, the synchronous gear box
It is connected to drive the transfer bar mechanism synchronization telescope at double output shaft electric machine two ends with transfer bar mechanism.
2. a kind of electric pushrod of bidirectional synchronous telescopic according to claim 1, it is characterised in that：The transfer bar mechanism bag
The first transfer bar mechanism and the second transfer bar mechanism are included, first transfer bar mechanism and the second transfer bar mechanism are by connecting seat and together
Gear-box connection is walked, the transfer bar mechanism includes worm screw, and described worm screw one end is connected to synchronous gear box, and the worm screw is another
End, which is connected with, cuts somebody's hair, and one end that the worm screw is connected with synchronous gear box is provided with worm screw nut, and the worm screw nut two ends cover
Provided with plane needle bearing, the other end of the relative connection synchronous gear box one end of the connecting seat is connected with outer tube nut.
3. a kind of electric pushrod of bidirectional synchronous telescopic according to claim 2, it is characterised in that：The first push rod machine
Wiring board mechanism is provided with the outer tube nut of structure, the wiring board mechanism includes wiring board, and described wiring board one end is provided with line
The road plate upper bracket other end is provided with wiring board lower carriage, and the wiring board upper bracket other end is connected with the first nut, and described the
One nut is connected with the first outer tube, and first outer tube is connected with first step nut, the first step nut and is inserted with
First inner tube.
4. a kind of electric pushrod of bidirectional synchronous telescopic according to claim 2, it is characterised in that：The second push rod machine
The outer tube nut side wall of structure is exported provided with power line, and the outer tube nut other end of second transfer bar mechanism is connected with outside second
Pipe, second outer tube is connected with second step nut, the second step nut and is inserted with the second inner tube.
5. a kind of electric pushrod of bidirectional synchronous telescopic according to claim 3 or 4, it is characterised in that：In described first
One end of the relative connection first step nut of pipe and one end of the relative connection second step nut of the second inner tube are connected with cutting somebody's hair.
6. a kind of electric pushrod of bidirectional synchronous telescopic according to claim 1, it is characterised in that：The synchronous gear box
For epicyclic gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493866.4A CN107171493A (en) | 2017-06-26 | 2017-06-26 | A kind of electric pushrod of bidirectional synchronous telescopic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493866.4A CN107171493A (en) | 2017-06-26 | 2017-06-26 | A kind of electric pushrod of bidirectional synchronous telescopic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107171493A true CN107171493A (en) | 2017-09-15 |
Family
ID=59827939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710493866.4A Pending CN107171493A (en) | 2017-06-26 | 2017-06-26 | A kind of electric pushrod of bidirectional synchronous telescopic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107171493A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224544A (en) * | 2019-06-18 | 2019-09-10 | 扬州奥美丽电气科技有限公司 | Double end driving push rod, lifting leg and lifting platform |
| CN114499034A (en) * | 2022-03-14 | 2022-05-13 | 东南大学 | Bidirectional linear actuator |
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|---|---|---|---|---|
| JP2006266309A (en) * | 2005-03-22 | 2006-10-05 | Ntn Corp | Ball screw and electric power steering device provided with it |
| CN2914470Y (en) * | 2006-05-12 | 2007-06-20 | 陈政 | Double output electric machine structure |
| CN2914468Y (en) * | 2006-04-07 | 2007-06-20 | 许晓华 | Double gear case double output shaft electric machine |
| CN201797407U (en) * | 2009-12-31 | 2011-04-13 | 扬州德百泰科技发展有限公司 | Bidirectional coaxial worm gear speed reducing motor |
| CN202282687U (en) * | 2011-11-12 | 2012-06-20 | 杭州双华科技有限公司 | Double-head output tubular motor |
| CN102537262A (en) * | 2012-02-23 | 2012-07-04 | 北京经纬恒润科技有限公司 | Electronic parking device and electronic parking system applying same |
| CN204244001U (en) * | 2014-11-19 | 2015-04-01 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod of electric machine built-in |
| CN204992903U (en) * | 2015-10-12 | 2016-01-20 | 无锡市宏霸机电设备有限公司 | Two electric putter structures |
| CN207234607U (en) * | 2017-06-26 | 2018-04-13 | 温州铬铭传动设备有限公司 | A kind of electric pushrod of bidirectional synchronous telescopic |
-
2017
- 2017-06-26 CN CN201710493866.4A patent/CN107171493A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006266309A (en) * | 2005-03-22 | 2006-10-05 | Ntn Corp | Ball screw and electric power steering device provided with it |
| CN2914468Y (en) * | 2006-04-07 | 2007-06-20 | 许晓华 | Double gear case double output shaft electric machine |
| CN2914470Y (en) * | 2006-05-12 | 2007-06-20 | 陈政 | Double output electric machine structure |
| CN201797407U (en) * | 2009-12-31 | 2011-04-13 | 扬州德百泰科技发展有限公司 | Bidirectional coaxial worm gear speed reducing motor |
| CN202282687U (en) * | 2011-11-12 | 2012-06-20 | 杭州双华科技有限公司 | Double-head output tubular motor |
| CN102537262A (en) * | 2012-02-23 | 2012-07-04 | 北京经纬恒润科技有限公司 | Electronic parking device and electronic parking system applying same |
| CN204244001U (en) * | 2014-11-19 | 2015-04-01 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod of electric machine built-in |
| CN204992903U (en) * | 2015-10-12 | 2016-01-20 | 无锡市宏霸机电设备有限公司 | Two electric putter structures |
| CN207234607U (en) * | 2017-06-26 | 2018-04-13 | 温州铬铭传动设备有限公司 | A kind of electric pushrod of bidirectional synchronous telescopic |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224544A (en) * | 2019-06-18 | 2019-09-10 | 扬州奥美丽电气科技有限公司 | Double end driving push rod, lifting leg and lifting platform |
| CN114499034A (en) * | 2022-03-14 | 2022-05-13 | 东南大学 | Bidirectional linear actuator |
| CN114499034B (en) * | 2022-03-14 | 2024-03-26 | 东南大学 | Bidirectional linear actuator |
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Address after: 325000 4th floor, R & D building, No. 1961, Binhai 1st Road, Longwan economic and Technological Development Zone, Wenzhou City, Zhejiang Province Applicant after: Zhejiang chroming Transmission Technology Co.,Ltd. Address before: No.157, Taizhong Road, Xitai village, Zhuangyuan street, Longwan District, Wenzhou City, Zhejiang Province 325000 Applicant before: WENZHOU GEMING TRANSMISSION EQUIPMENT Co.,Ltd. |