CN110380571A - A kind of electric pushrod - Google Patents
A kind of electric pushrod Download PDFInfo
- Publication number
- CN110380571A CN110380571A CN201910705657.0A CN201910705657A CN110380571A CN 110380571 A CN110380571 A CN 110380571A CN 201910705657 A CN201910705657 A CN 201910705657A CN 110380571 A CN110380571 A CN 110380571A
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- Prior art keywords
- gear
- electric pushrod
- steel ball
- output shaft
- box
- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention discloses a kind of electric pushrod, including driving mechanism, gear-box, telescoping mechanism and control module；Driving mechanism is fixedly mounted on gear-box；Gear-box, including cabinet, gear set, yielding coupling；Gear set described in the magazine ac and the yielding coupling；The gear set is connect with the main shaft of the driving mechanism；The yielding coupling includes output shaft, first gear, steel ball fixing seat, steel ball, spring, retaining ring；Telescoping mechanism is mounted on the gear-box, is connect with the gear-box by yielding coupling；For realizing the linear motion of electric pushrod；The control module is used to control the electric pushrod intelligent flexible.A kind of electric pushrod of the invention is safe and reliable, and operation maintenance is easy, and the electric pushrod with intelligent control solves the problems, such as the unstable and hydraulic push rod oil leak of air-leg.
Description
Technical field
The present invention relates to industrial automations, more particularly to a kind of electric pushrod.
Background technique
In existing industrial automation application field, electric pushrod major function is that short distance steadily transmits.The prior art has
It is pneumatic and hydraulic two kinds, existing air-leg there are the problem of, first, be gas, general industry gas due to air-leg power source
0.6~0.8MPa of source.The second, air-leg need of work and solenoid valve match, and install more troublesome.Third, hair punching are existing
As due to the unstability of air pressure, when air pressure deficiency causes air-leg movement to push away motionless, air-leg moment when air pressure is excessive
Preshoot or retraction.4th, reciprocating motion of the pistons, sealing element loss, cause air-leg more poorer with power.Existing hydraulic push rod
There are the problem of, first, since hydraulic push rod power source is oil, when use, needs equipped hydraulic fuel tank.The second, hydraulic push rod works
It needs to match with solenoid valve, install more troublesome.Third, Leakage are serious, reciprocating motion of the pistons, sealing element loss,
Cause hydraulic push rod more poorer with power.
It is in view of the deficiencies in the prior art or insufficient, behaviour a kind of safe and reliable the purpose of the present invention is inventing
Make maintenance easy, the equipment with intelligent control, thus the very good solution unstability of air-leg and the leakage of hydraulic push rod
Oily problem.
Summary of the invention
Therefore, safe and reliable in view of the above-mentioned problems, it is necessary to provide a kind of novel electric pushrod, operation maintenance
Simplicity, the electric pushrod with intelligent control solve the problems, such as the unstable and hydraulic push rod oil leak of air-leg.On reaching
Purpose is stated, the present invention provides a kind of electric pushrod, including driving mechanism, gear-box and telescoping mechanism；The driving mechanism is fixed
It is mounted on the gear-box, the main shaft of the driving mechanism is connect with the gear-box；The gear-box includes cabinet, gear
Group, yielding coupling；Gear set described in the magazine ac and the yielding coupling；The gear set and the driving mechanism
Main shaft connection；The yielding coupling connects the gear set and telescoping mechanism, and the yielding coupling is used for the driving
The overload protection of mechanism；The telescoping mechanism, the telescoping mechanism are mounted on the gear-box, pass through bullet with the gear-box
Property shaft coupling connection, the stretching motion for push rod.
Preferably, the yielding coupling includes output shaft, first gear, steel ball fixing seat, steel ball, spring, retaining ring；Institute
The through-hole that is provided centrally with of first gear is stated, the output shaft is movably arranged in the through-hole；The first gear with it is described
Gear set engagement；The side of the first gear is arranged in the steel ball fixing seat, abuts with the side of the first gear, institute
It states steel ball fixing seat and is provided with the through-hole for accommodating the steel ball, the diameter of the steel ball is greater than the height of the steel ball fixing seat；
The groove that card sets the steel ball is correspondingly arranged in the first gear；The spring setting is separate in the steel ball fixing seat
The side of the first gear, one end of the spring are connect with the steel ball, and the other end of the spring is provided with retaining ring, institute
It states retaining ring to be fastened on the output shaft, for positioning the spring.
Preferably, the telescoping mechanism includes lower mounting seat, screw, screw rod, inner barrel and outer barrel；The lower mounting seat and institute
Upper cover is stated to be fixedly connected；The outer cylinder is fixed in the lower mounting seat and is arranged concentrically with the output shaft；The silk
Bar is fixedly connected with the output shaft；The screw is adapted to the screw rod；The inner cylinder is set on the screw, and with institute
Screw is stated to be fixedly connected；The outer tube inner wall is provided with guide groove, and the outer wall of the inner cylinder is correspondingly arranged on and the guide groove
The protrusion of adaptation；The screw makes the inner cylinder move along a straight line along the center line of the output shaft, one end setting of the outer cylinder
Limit plate, the limit plate is provided centrally with the through-hole passed through for the inner cylinder.
The preferred telescoping mechanism further includes the upper mounting seat that the output end of the inner cylinder is arranged in.
Preferably, the gear set includes the second gear being arranged on the driving mechanism main shaft, setting described the
The third gear engaged below two gears and with the second gear, the second gear are engaged with the third gear.
Preferably, the position of the inner cylinder and the outer cylinder relative motion is provided with protective jacket.
Preferably, one end of the inner cylinder is provided with positioning device, and the positioning device includes being fixed at outside described
Positioning sleeve inside cylinder.
Preferably, the screw rod is fixedly connected with the output shaft by pin shaft and nut, one end setting of the screw rod
There is the mounting hole for accommodating the output shaft, the inner wall of the mounting hole is provided with open slot, for setting with the pin shaft card；It is described
The mounting hole of the pin shaft is provided on output shaft；The side wall of the nut is provided with the through-hole for installing the pin shaft.
Preferably, one end close to the first gear of the output shaft is provided with the shaft shoulder, for positioning described first
Gear.
Preferably, the driving mechanism is set as driving mechanism.
Preferably, which is characterized in that the control module includes sensor, frequency converter and remote controler, the sensor and
The remote controler is connect with the frequency converter respectively；The sensor is arranged on the inner cylinder；The frequency converter and the drive
The connection of motivation structure.Compared with the relevant technologies, electric pushrod of the invention has following excellent beneficial effect:
1, electric pushrod of the invention solves the unstability of existing air-leg and cannot stop in intermediate any position
The problem of staying；
2, electric pushrod of the invention solves the problems, such as existing hydraulic push rod oil leak and maintenance difficult；
3, electric pushrod of the invention takes electricity convenient, and easy to maintenance, it is convenient to operate with, securely and reliably, without greasy dirt
Dye, environmental protection and energy saving do not have compressed air noise pollution yet.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, and drawings in the following description are only some embodiments of the invention, common for this field
For technical staff, without creative efforts, it can also be obtained according to these attached drawings other attached drawings,
In:
Fig. 1 is the structural schematic diagram of electric pushrod of the invention；
Fig. 2 is the structural schematic diagram of the yielding coupling of electric pushrod of the invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of electric pushrod, and with reference to Fig. 1, which includes driving mechanism 1, gear-box 2 and stretch
Mechanism 3；The driving mechanism 1 is fixedly mounted on the gear-box 2, the main shaft 11 of the driving mechanism 1 and the gear-box 2
Connection；The gear-box 2, including cabinet 21, gear set 22 and yielding coupling 23；The cabinet 21 accommodates the gear set
22 and the yielding coupling 23；The cabinet 21 includes box cover 211 and cabinet lower cover 212；The driving mechanism 1 is fixed
It is mounted on the box cover；The gear set 22 and the main shaft 11 of the driving mechanism 1 are connected by key；With reference to Fig. 2, institute
Stating yielding coupling 23 includes output shaft 231, first gear 232, steel ball fixing seat 233, steel ball 234, spring 235, retaining ring
236；The first gear 232 is set on the output shaft 231, and the first gear 232 is provided centrally with through-hole, described
Output shaft 231 is movably arranged in the through-hole；The side of the first gear 232 is arranged in the steel ball fixing seat 233,
It is abutted with the side of the first gear 232, the steel ball fixing seat 233 is provided with the through-hole for accommodating the steel ball 234, described
The diameter of steel ball 234 is greater than the height of the steel ball fixing seat 233；Be correspondingly arranged in the first gear 232 card set it is described
The groove of steel ball 234；The side in the steel ball fixing seat 233 far from the first gear 232 is arranged in the spring 235,
One end of the spring 235 is connect with the steel ball 234, and the other end of the spring 235 is provided with retaining ring 236, the retaining ring
236 are fastened on the output shaft 231, for positioning the spring 235；Telescoping mechanism 3 is mounted on the gear-box 2,
It is connect with the gear-box 2 by yielding coupling 23；For realizing the linear motion of electric pushrod；The telescoping mechanism 3,
Including lower mounting seat 31, screw 32, screw rod 33, inner cylinder 34, outer cylinder 35；The lower mounting seat 31 and the fixed company of the cabinet 21
It connects；The outer cylinder 35 is fixed in the lower mounting seat 31 and is arranged concentrically with the output shaft 231；The screw rod 33 with
The output shaft 231 is fixedly connected；The screw 32 is adapted to the screw rod 33；The inner cylinder 34 is set in the screw 32
On, and be fixedly connected with the screw 32；The inner wall of the outer cylinder 35 is provided with guide groove, and the outer wall of the inner cylinder 347 is corresponding
It is provided with the protrusion being adapted to the guide groove；The screw 32 makes the inner cylinder 34 along the center line side of the output shaft 231
To linear motion；The upper mounting seat 36 is fixed at one end of the inner cylinder 34；In the present embodiment, by the way that institute is arranged
The straight reciprocating motion that telescoping mechanism 3 realizes the electric pushrod is stated, driving mechanism 1 is powered, the main shaft 11 of the driving mechanism 1
Rotation, is slowed down, power is sent to the yielding coupling 23, the output shaft 231 of the yielding coupling 23 by gear-box 2
Rotation, the screw rod 33 rotate, and the screw 32 pushes the inner cylinder 34 along the outer cylinder 35 under the action of screw rod 33
Linear motion, the limit plate of one end setting of the outer cylinder 35, the limit plate are provided centrally with what the confession inner cylinder 34 passed through
Through-hole.
In the present embodiment, the main shaft 11 of the driving mechanism 1 through the gear-box (2) slow down, gear-box 22 with it is described
The first gear 232 of yielding coupling 23 engages, and the first gear 232 rotates, and the output shaft 231 is in the steel ball 234
It is rotated under the action of the steel ball fixing seat 233, thus by power transmission to the telescoping mechanism 3, realizes described electronic push away
The linear motion of bar.It, can be by described in setting when the external force that the electric pushrod pushes is more than the torque of the driving mechanism 1
The spring 235 of the parameter of spring 235, the yielding coupling 23 is compressed under the action of steel ball 234, the steel ball
234 leave the first gear 232, and the first gear 232 is disconnected with the output shaft 231, and the first gear 232 is empty
Turn, the first gear 232 is flexibly connected with the output shaft 231, and the output shaft 231 does not rotate, to realize driving machine
The main shaft 11 of structure 1 dallies, and has the function that overload protection.
Further, the telescoping mechanism 3 further includes the upper mounting seat 36 that the output end of the inner cylinder 34 is arranged in.Institute
Upper mounting seat 36 is stated to move along a straight line with the inner cylinder 34.
Further, the gear set 22 include be arranged on the main shaft 11 of the driving mechanism second gear 221,
The third gear 222 for being arranged in below the second gear 221 and being engaged with the second gear 221.In the present embodiment, institute
State second gear 221 and the main shaft 11 of the driving mechanism 1 be connected by key, be provided in the second gear 221 with it is described
The through-hole of the installation holding screw of 11 central axis of main shaft, the holding screw is for fixing the second gear 221；It is described
Third gear 222 is engaged with the first gear 232 of the yielding coupling 23, and the power of the driving mechanism 1 is through gear set 221
Realize that steady transmission of slowing down, operation maintenance are easy.
Further, the inner cylinder 34 and the position of 35 relative motion of outer cylinder are provided with protective jacket 37, realize institute
State the safe and reliable of electric pushrod.
Further, one end of the inner cylinder 34 is provided with positioning device, and in the present embodiment, the positioning device includes
The positioning sleeve being fixed inside the outer cylinder 35, the positioning sleeve are located between the nut on the screw and screw rod, institute
Screw rod is stated to pass through from the positioning sleeve；The positioning device further include be separately positioned on the positioning sleeve two sides and with the silk
The plane bearing of bar rotation connection.
Further, in the present embodiment, the screw rod 33 connects with the output shaft 231 by the way that pin shaft and nut are fixed
It connects, one end of the screw rod 33 is provided with the mounting hole for accommodating the output shaft 231, and the inner wall of the mounting hole is provided with opening
Slot, for being set with the pin shaft card；The mounting hole 237 of the pin shaft is provided on the output shaft 231；The side wall of the nut
It is provided with the through-hole for installing the pin shaft.
Further, one end close to the first gear 232 of the output shaft 231 is provided with the shaft shoulder, for positioning
The first gear 232；One side end face of first gear 232 is abutted with the shaft shoulder.
It further, further include control module 4, the control module 4 includes sensor, frequency converter and remote controler, described
Sensor and the remote controler are connect with the frequency converter respectively；The sensor is arranged on the inner cylinder 34；The frequency conversion
Device is connect with the driving mechanism.In the present embodiment, the sensor is arranged on the inner cylinder 34, is used for the inner cylinder
34 position signal passes to the frequency converter, by frequency converter described in the remote control control, described in the Frequency Converter Control
The revolving speed of driving mechanism, realizes the flexible shutdown or flexible starting of the electric pushrod, to keep the electric pushrod movement flat
It is steady to accelerate or brake, the electric pushrod also may be implemented and stop at an arbitrary position.
Compared with the relevant technologies, electric pushrod of the invention has following excellent beneficial effect:
1, electric pushrod of the invention solves the unstability of existing air-leg and cannot stop in intermediate any position
The problem of staying；
2, electric pushrod of the invention solves the problems, such as existing hydraulic push rod oil leak and maintenance difficult；
3, electric pushrod of the invention takes electricity convenient, and easy to maintenance, it is convenient to operate with, securely and reliably, without greasy dirt
Dye, environmental protection and energy saving do not have compressed air noise pollution yet.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.Only several embodiments of the present invention are expressed for above embodiments, retouches
State more specific and detailed, but it cannot be understood as the limitations to patent of invention range.It should be pointed out that for this
For the those of ordinary skill in field, without departing from the inventive concept of the premise, various modifications and improvements can be made, this
Belong to protection scope of the present invention.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of electric pushrod, which is characterized in that including driving mechanism (1), gear-box (2) and telescoping mechanism (3)；
The driving mechanism (1) is fixedly mounted on the gear-box (2), the main shaft (11) of the driving mechanism (1) with it is described
Gear-box (2) connection；
The gear-box (2) includes cabinet (21), gear set (22), yielding coupling (23)；Described in the cabinet (21) accommodates
Gear set (22) and the yielding coupling (23)；The gear set (2) connect with the main shaft (11) of the driving mechanism (1)；
The yielding coupling (23) connects the gear set (2) and telescoping mechanism (3), and the yielding coupling (23) is used for the drive
The overload protection of motivation structure (1)；
The telescoping mechanism (3), the telescoping mechanism (3) are mounted on the gear-box (2), pass through with the gear-box (2)
Yielding coupling (23) connection, the stretching motion for push rod.
2. electric pushrod according to claim 1, which is characterized in that the yielding coupling (23) includes output shaft
(231), first gear (232), steel ball fixing seat (233), steel ball (234), spring (235), retaining ring (236)；First tooth
Wheel (232) is provided centrally with through-hole, and the output shaft (231) is movably arranged in the through-hole；The first gear (232)
It is engaged with the gear set (22)；The steel ball fixing seat (233) setting is and described in the side of the first gear (232)
The side of first gear (232) abuts, and the steel ball fixing seat (233) is provided with the through-hole for accommodating the steel ball (234), described
The diameter of steel ball (234) is greater than the height of the steel ball fixing seat (233)；Card is correspondingly arranged on the first gear (232)
If the groove of the steel ball (234)；The spring (235) is arranged on the steel ball fixing seat (233) far from first tooth
The side of (232) is taken turns, one end of the spring (235) is connect with the steel ball (234), and the other end of the spring (235) is set
It is equipped with retaining ring (236), the retaining ring (236) is fastened on the output shaft (231), for positioning the spring (235).
3. electric pushrod according to claim 2, which is characterized in that the telescoping mechanism (3), including lower mounting seat
(31), screw (32), screw rod (33), inner cylinder (34), outer cylinder (35) and upper mounting seat (36)；The lower mounting seat (31) with it is described
Cabinet (21) is fixedly connected；The outer cylinder (35) be fixed on the lower mounting seat (31) and with the output shaft (231)
It is arranged concentrically；The screw rod (33) is fixedly connected with the output shaft (231)；The screw (32) and the screw rod (33) are suitable
Match；The inner cylinder (34) is set on the screw (32), and is fixedly connected with the screw (32)；Outer cylinder (35) inner wall
It is provided with guide groove, the outer wall of the inner cylinder (34) is correspondingly arranged on the protrusion being adapted to the guide groove；The screw (32)
The inner cylinder (34) is set to move along a straight line along the centerline direction of the output shaft (231), one end setting of the outer cylinder (35)
Limit plate, the limit plate are provided centrally with the through-hole passed through for the inner cylinder (34).
4. electric pushrod according to claim 3, which is characterized in that the telescoping mechanism (3) further includes being arranged described
The upper mounting seat (36) of the output end of inner cylinder (34).
5. electric pushrod according to claim 3, which is characterized in that the gear set (22) includes being arranged in the driving
Second gear (221) on the main shaft (11) of mechanism, setting below the second gear (221) and with the second gear
(221) the third gear (222) engaged, the third gear (222) are engaged with the first gear (232).
6. electric pushrod according to claim 3, which is characterized in that the inner cylinder (34) and the outer cylinder (35) opposite fortune
Dynamic position is provided with protective jacket (37).
7. electric pushrod according to claim 3, which is characterized in that one end of the inner cylinder (34) is provided with positioning dress
It sets, the positioning device includes being fixed at the internal positioning sleeve of the outer cylinder (35).
8. electric pushrod according to claim 3, which is characterized in that the screw rod (33) and the output shaft (231) are logical
It crosses pin shaft to be fixedly connected with nut, one end of the screw rod (33) is provided with the mounting hole for accommodating the output shaft (231), described
The inner wall of mounting hole is provided with open slot, for setting with the pin shaft card；The pin shaft is provided on the output shaft (231)
Mounting hole (237)；The side wall of the nut is provided with the through-hole for installing the pin shaft.
9. electric pushrod according to claim 3, which is characterized in that close first tooth of the output shaft (231)
One end of wheel (232) is provided with the shaft shoulder, for positioning the first gear (232).
10. electric pushrod according to claim 3, which is characterized in that further include control module (4), the control module
It (4) include sensor, frequency converter and remote controler, the sensor and the remote controler are connect with the frequency converter respectively；It is described
Sensor is arranged on the inner cylinder；The frequency converter is connect with the driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705657.0A CN110380571A (en) | 2019-08-01 | 2019-08-01 | A kind of electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705657.0A CN110380571A (en) | 2019-08-01 | 2019-08-01 | A kind of electric pushrod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110380571A true CN110380571A (en) | 2019-10-25 |
Family
ID=68257586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910705657.0A Pending CN110380571A (en) | 2019-08-01 | 2019-08-01 | A kind of electric pushrod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110380571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817501A (en) * | 2020-07-13 | 2020-10-23 | 大连恒昇机械有限公司 | Vertical driving push rod |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB760207A (en) * | 1954-04-27 | 1956-10-31 | Brevets Wagner Soc D | Improvements in and relating to an electric machine having a rotating tool |
| CN2653769Y (en) * | 2003-05-21 | 2004-11-03 | 程卫东 | Over torsion type electric push rod |
| CN207796016U (en) * | 2017-10-26 | 2018-08-31 | 无锡市宏霸机电设备有限公司 | A kind of electric pushrod |
| CN210137248U (en) * | 2019-08-01 | 2020-03-10 | 株洲市沃尔新材料有限责任公司 | Electric push rod |
-
2019
- 2019-08-01 CN CN201910705657.0A patent/CN110380571A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB760207A (en) * | 1954-04-27 | 1956-10-31 | Brevets Wagner Soc D | Improvements in and relating to an electric machine having a rotating tool |
| CN2653769Y (en) * | 2003-05-21 | 2004-11-03 | 程卫东 | Over torsion type electric push rod |
| CN207796016U (en) * | 2017-10-26 | 2018-08-31 | 无锡市宏霸机电设备有限公司 | A kind of electric pushrod |
| CN210137248U (en) * | 2019-08-01 | 2020-03-10 | 株洲市沃尔新材料有限责任公司 | Electric push rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817501A (en) * | 2020-07-13 | 2020-10-23 | 大连恒昇机械有限公司 | Vertical driving push rod |
| CN111817501B (en) * | 2020-07-13 | 2023-08-18 | 大连恒昇机械有限公司 | Vertical driving push rod |
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