CN206149082U - Electric pushing rod - Google Patents
Electric pushing rod Download PDFInfo
- Publication number
- CN206149082U CN206149082U CN201620704951.1U CN201620704951U CN206149082U CN 206149082 U CN206149082 U CN 206149082U CN 201620704951 U CN201620704951 U CN 201620704951U CN 206149082 U CN206149082 U CN 206149082U
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- CN
- China
- Prior art keywords
- screw mandrel
- electric pushrod
- motor
- output
- pushrod according
- 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.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 abstract description 4
- 208000003643 Callosities Diseases 0.000 description 3
- 206010020649 Hyperkeratosis Diseases 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Transmission Devices (AREA)
- Retarders (AREA)
Abstract
The utility model provides a compact electric pushing rod of simple structure, including casing, motor, lead screw, nut and inner tube, the speed reducer adopts planetary reducer to construct, the output with lead screw lug connection, the motor with the motor torque transmit for the lead screw, the lead screw drives through the nut inner tube reciprocating motion. The utility model discloses the simple structure compactness is convenient for assemble, and shared space reduces and produces great thrust simultaneously.
Description
Technical field
This utility model is related to one kind can complete reciprocating machine, more particularly to a kind of electric pushrod, be that one kind will
The equipment that the rotary motion of motor is changed into the linear motion of electric pushrod.
Background technology
Electric pushrod is a kind of driven by power dress of straight reciprocating motion that the rotary motion of motor is changed into push rod
Put, since generation, to be widely used in electric power, machinery, metallurgy, traffic, coal, chemical industry, grain raise the departments such as processing equipment,
It is popular in users.Electric pushrod by reductor and feed screw nut by the convert rotational motion of motor for push rod straight line
Motion.And the motive force of push rod then depends on the moment of torsion of output end of reducer, therefore, increase power of motor can effectively increase
Output end of reducer power, so as to increase the promotion of push rod.When from heavy-duty motor, except factors such as consideration rotating speed, sizes
Outward, the speed reducing ratio for considering reduction box is also needed.When choosing higher rotation speed motor, if not choosing the reductor of enough speed reducing ratio,
Then it is unable to reach the motive force of needs.And the larger reductor of speed reducing ratio is often taken up space huge.If selected compared with the slow-speed of revolution
During motor, reductor takes up space and has reduced, but motor requisite space but accordingly increases.In some very big motive forces of needs
But the occasion of electric pushrod space but very little, disclosed electric pushrod can be supplied to then to meet use demand.
Utility model content
To solve foregoing problems, this utility model provides a kind of high thrust electric pushrod simple and compact for structure.
In order to achieve the above object, this utility model is adopted the following technical scheme that：A kind of electric pushrod, including housing and appearance
Motor in the housing, screw mandrel, nut and inner tube are contained in, motor torque is passed to the screw mandrel, the silk by the motor
Bar Jing nuts drive said inner tube to move back and forth, it is characterised in that：Also include the planetary reduction gear of input and the motor connection
Mechanism, the outfan of the planetary gear speed reducing mechanism is connected with screw mandrel.
Further, the planetary gear speed reducing mechanism includes ring gear, the planet circular system in the ring gear, bearing block
And motor flange, the motor flange is connected with an end face of ring gear, and bearing block is connected with another end face of ring gear.
So that reducing gear is simple and compact for structure.
Further, the outfan of the planetary gear speed reducing mechanism include output planetary frame, the output planetary frame with it is described
Screw mandrel is rigidly connected and the motor torque is passed to into screw mandrel.Reduce outfan parts so that simple structure.
Further, the end of described screw mandrel one end is anchored on the output planetary frame, and the output planetary sets up to be had
Stretch in the hole hole of insertion, described screw mandrel one end.It can also be counterbore that the hole can be through hole.Screw mandrel is made with output row
Carrier assembling is simple.
Further, the electric pushrod also includes the screw mandrel axle sleeve being sheathed on the screw mandrel, the screw mandrel axle sleeve position
In the top in the hole, screw mandrel axle sleeve is first inserted in during assembling, then is inserted in output planetary frame, fixed screw mandrel is simultaneously gone to screw mandrel with output
The relative position of carrier carries out spacing.
Further, the end of described screw mandrel one end is provided with the securing member being brought into close contact with the bottom hole portion, if described
Hole is through hole, and securing member is close to the bottom in the hole, if the hole is counterbore, securing member is close to the step in the hole
Face, makes screw mandrel axle sleeve and output planetary frame be locked on screw mandrel.
Further, also including spring bearing, the spring bearing radial support screw mandrel axle sleeve and output planetary frame.Prevent
Screw mandrel radially shakes.
Further, the screw mandrel axle sleeve lateral wall is provided with the first platform, forms the output planetary frame side wall in the hole
Outer surface is provided with the second platform；The end face of the spring bearing fits in first platform and the second platform.Prevent screw axis
To vibrations.
Further, the housing includes outer tube, motor cover and tail-hood, and the motor cover being connected with outer tube is arranged on bearing block
On, the tail-hood for being provided with endoporus is arranged on an end face of motor cover.So that simple structure is easy to assembling.
Further, the housing also includes line card, and the line card is circumferentially with the groove of endoporus described in clamping, described recessed
The projection of a circle and the endoporus interference fit is provided with groove.Reach waterproof purpose.
After above-mentioned technical proposal, this utility model has the advantage that：Overall structure is simple, is easy to assembling, due to
Planet circular system has that small volume, bearing capacity are high, output torque is big, speed reducing ratio is big, efficiency high the characteristics of, so motor can be with
Using high-power and high-speed motor, reduced space shared by whole electric pushrod can be produced compared with high thrust, two-stage planet ginseng simultaneously
Number is identical, can significantly alter transmission performance by increasing or decreasing the series of planet circular system.
Description of the drawings
Below in conjunction with the accompanying drawings the utility model is described in further detail：
Fig. 1 is the structural representation for electric pushrod of this utility model embodiment 1.
Fig. 2 is the planetary gear speed reducing mechanism schematic diagram of the electric pushrod of this utility model embodiment 1.
Fig. 3 is the outline drawing of the electric pushrod of this utility model embodiment 1.
Reference：Tube assembly, 6- housings in 1- planetary gear speed reducing mechanisms, 2- motors, 3- screw mandrels, 4-nut, 5-；11- rows
Star wheel series, 12- internal tooth coil assemblies, 13- bearing blocks, 14- motor flanges, 51- inner tubes, 52-pull head, 61- end caps, 62- outer tubes,
63- motor covers, 64- tail-hoods, 65- line cards, 66- callosities, 67- screws, 68- screws；111- input sun gear, 112- planetary gears,
113- planet axis, 114- planet carriers, 115- sun gears, 116- screw mandrel axle sleeves, 117- spring bearings, 118- shaft block rings, 119-
Output planetary frame, 121- ring gears, 122 screws.
Specific embodiment
The technical scheme of this utility model embodiment is explained with reference to the accompanying drawing of this utility model embodiment and
Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model
Protection domain.
Embodiment 1.
As shown in figure 1, this utility model provides a kind of new electric pushrod.
Originally apply in example, electric pushrod includes housing 6 and the motor 2, screw mandrel 3, the nut 4 and interior that are contained in the housing 6
Motor torque is passed to screw mandrel 3 by tube assembly 5, motor 2, and the Jing nuts 4 of screw mandrel 3 drive interior tube assembly 5 to move back and forth, also including defeated
Enter the planetary gear speed reducing mechanism 1 that end is connected with motor 2, the outfan of planetary gear speed reducing mechanism 1 is connected with screw mandrel 3.
Planetary gear speed reducing mechanism 1 includes internal tooth coil assembly 12, the planet circular system 11 in internal tooth coil assembly 12, bearing block 13
And motor flange 14, motor flange 14 is connected with an end face of ring gear 121 by screw 122, bearing block 13 and ring gear
121 another end face screw 122 connects so that reducing gear is simple and compact for structure.
The outfan of planetary gear speed reducing mechanism 1 includes output planetary frame 119, and output planetary frame 119 is rigidly connected simultaneously with screw mandrel 3
Motor torque is passed to into screw mandrel 3, outfan parts is reduced so that simple structure.
The end of the one end of screw mandrel 3 is anchored on output planetary frame 119, and output planetary frame 119 is provided with the hole of insertion, the hole
For counterbore, the one end of screw mandrel 3 is stretched in hole, screw mandrel 3 is assembled simply with output planetary frame 119.
Electric pushrod also includes the screw mandrel axle sleeve 116 being sheathed on screw mandrel 3, and screw mandrel axle sleeve 116 is located at the top in hole, assembling
When be first inserted in screw mandrel axle sleeve 116, then be inserted in output planetary frame 119, fixed screw mandrel 3 and to the phase of screw mandrel 3 and output planetary frame 119
Position is carried out spacing.
The end of the one end of screw mandrel 3 is provided with the shaft block ring 118 being brought into close contact with bottom hole portion, and shaft block ring 118 is close to counterbore
Step surface, makes screw mandrel axle sleeve 116 and output planetary frame 119 be locked on screw mandrel.
Electric pushrod also includes spring bearing 117, the radial support screw mandrel axle sleeve 116 of spring bearing 117 and output planetary frame
119, prevent screw mandrel from radially shaking.
The outer surface of the side wall of output planetary frame 119 that the lateral wall of screw mandrel axle sleeve 116 is provided with the first platform, form hole is provided with the
Two platforms；The end face of spring bearing 117 fits in the first platform and the second platform, prevents the axial vibrations of screw mandrel 3.
Housing 6 includes end cap 61, outer tube 62, motor cover 63 and tail-hood 64, and end cap 61 is arranged on outer tube 62 by screw 67
On, the motor cover 63 being connected with outer tube 62 is arranged on bearing block 13 by screw 68, and the tail-hood 64 for being provided with endoporus is arranged on electricity
One end face of hood 63 so that simple structure is easy to assembling.
Housing 6 also includes line card 65, and line card 65 is circumferentially with the groove of endoporus described in clamping tail-hood 64, one is provided with groove
Circle and the projection of the endoporus interference fit of tail-hood 64, reach waterproof purpose.
Housing 6 also includes callosity 66, and callosity 66 is elastomer, outside housing 6, absorbs the vibrations that push rod is produced.
When this electric driven propelling rod works, the output shaft rotation of motor 2 drives input sun gear 111 to rotate, and is input into sun gear
111 drive first order planetary gear 112 around the input circumferential movement of sun gear 111, and the first order planetary gear 112 of circumferential movement passes through
First order planet axis 113 drive planet carrier 114 and sun gear 115 to rotate, and sun gear 115 drives second level planetary gear 112 to surround
The circumferential movement of sun gear 115, the second level planetary gear 112 of circumferential movement drives output planetary frame by second level planet axis 113
119 rotate, and output planetary frame 119 is rotated and for torque to be directly passed to screw mandrel 3, and screw mandrel 3 is rotated makes nut 4 advance or retreat, interior
Pipe 51 is arranged on nut 4, and pull head 52 is arranged in inner tube 51, and nut 4 drives inner tube 51 and pull head 52 to advance or retreat, and reaches
Push-and-pull action.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, it is familiar with the those skilled in the art and should be understood that this utility model includes but is not limited to accompanying drawing and above specific embodiment party
Content described in formula.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims
Scope in.
Claims (10)
1. electric pushrod, including housing and the motor being contained in the housing, screw mandrel, nut and inner tube, the motor is by electricity
Machine torque passes to the screw mandrel, and the screw mandrel Jing nuts drive said inner tube to move back and forth, it is characterised in that：Also include input
The planetary gear speed reducing mechanism with the motor connection, the outfan of the planetary gear speed reducing mechanism is held to be connected with screw rod transmission.
2. electric pushrod according to claim 1, it is characterised in that：The planetary gear speed reducing mechanism includes ring gear, is located at
Planet circular system, bearing block and motor flange in the ring gear, the motor flange is connected with an end face of ring gear, axle
Bearing is connected with another end face of ring gear.
3. electric pushrod according to claim 1, it is characterised in that：The outfan of the planetary gear speed reducing mechanism includes output
Planet carrier, the output planetary frame is rigidly connected with the screw mandrel and the motor torque is passed to into screw mandrel.
4. electric pushrod according to claim 3, it is characterised in that：The end of described screw mandrel one end is anchored on the output
On planet carrier, the output planetary sets up the hole for having insertion, and described screw mandrel one end is stretched in the hole.
5. electric pushrod according to claim 4, it is characterised in that：Also include the screw mandrel axle sleeve being sheathed on the screw mandrel,
The screw mandrel axle sleeve is located at the top in the hole.
6. electric pushrod according to claim 4, it is characterised in that：The end of described screw mandrel one end is provided with and the bottom hole portion
The securing member being brought into close contact.
7. the electric pushrod according to claim 4 or 5 or 6, it is characterised in that：Also include spring bearing, the support shaft
Hold radial support screw mandrel axle sleeve and output planetary frame.
8. electric pushrod according to claim 7, it is characterised in that the screw mandrel axle sleeve lateral wall be provided with the first platform,
The outer surface for forming the output planetary frame side wall in the hole is provided with the second platform；The end face of the spring bearing fits in described
One platform and the second platform.
9. electric pushrod according to claim 1, it is characterised in that：The housing includes outer tube, motor cover and tail-hood,
The motor cover being connected with outer tube is arranged on bearing block, and the tail-hood for being provided with endoporus is arranged on an end face of motor cover.
10. electric pushrod according to claim 9, it is characterised in that：The housing also includes line card, the line card circumference
The groove of endoporus described in clamping is provided with, the projection of a circle and the endoporus interference fit is provided with the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620704951.1U CN206149082U (en) | 2016-07-01 | 2016-07-01 | Electric pushing rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620704951.1U CN206149082U (en) | 2016-07-01 | 2016-07-01 | Electric pushing rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206149082U true CN206149082U (en) | 2017-05-03 |
Family
ID=58616384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620704951.1U Expired - Fee Related CN206149082U (en) | 2016-07-01 | 2016-07-01 | Electric pushing rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206149082U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518466A (en) * | 2018-04-19 | 2018-09-11 | 宁波海仕凯驱动科技有限公司 | A kind of compact-sized linear actuators |
| CN109330249A (en) * | 2018-11-25 | 2019-02-15 | 倪旭涛 | Electric self-locking seat lift mechanism |
| CN110872072A (en) * | 2019-11-29 | 2020-03-10 | 杭州恒俊科技有限公司 | A motor hidden electric jack |
| CN110957853A (en) * | 2019-11-29 | 2020-04-03 | 杭州恒俊科技有限公司 | A motor for concealed electric jacks |
| CN111106710A (en) * | 2019-12-11 | 2020-05-05 | 兰州飞行控制有限责任公司 | Electric steering engine |
| CN111614197A (en) * | 2019-02-26 | 2020-09-01 | 西安交通大学 | A linear planetary roller screw servo electric cylinder |
| CN111614200A (en) * | 2019-02-26 | 2020-09-01 | 西安交通大学 | A return planetary roller screw type servo electric cylinder |
| CN112134402A (en) * | 2020-09-23 | 2020-12-25 | 西安索睿科技有限公司 | Telescopic boom structure based on redundant double-motor stepless speed regulation |
| CN117090912A (en) * | 2023-09-07 | 2023-11-21 | 鸣志电器(太仓)有限公司 | A linear drive device |
-
2016
- 2016-07-01 CN CN201620704951.1U patent/CN206149082U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518466A (en) * | 2018-04-19 | 2018-09-11 | 宁波海仕凯驱动科技有限公司 | A kind of compact-sized linear actuators |
| CN108518466B (en) * | 2018-04-19 | 2023-09-26 | 宁波海仕凯驱动科技有限公司 | Linear actuator with compact structure |
| CN109330249A (en) * | 2018-11-25 | 2019-02-15 | 倪旭涛 | Electric self-locking seat lift mechanism |
| CN111614197A (en) * | 2019-02-26 | 2020-09-01 | 西安交通大学 | A linear planetary roller screw servo electric cylinder |
| CN111614200A (en) * | 2019-02-26 | 2020-09-01 | 西安交通大学 | A return planetary roller screw type servo electric cylinder |
| CN110872072A (en) * | 2019-11-29 | 2020-03-10 | 杭州恒俊科技有限公司 | A motor hidden electric jack |
| CN110957853A (en) * | 2019-11-29 | 2020-04-03 | 杭州恒俊科技有限公司 | A motor for concealed electric jacks |
| CN111106710A (en) * | 2019-12-11 | 2020-05-05 | 兰州飞行控制有限责任公司 | Electric steering engine |
| CN112134402A (en) * | 2020-09-23 | 2020-12-25 | 西安索睿科技有限公司 | Telescopic boom structure based on redundant double-motor stepless speed regulation |
| CN117090912A (en) * | 2023-09-07 | 2023-11-21 | 鸣志电器(太仓)有限公司 | A linear drive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 |