CN115051506A - Simply-mounted electric cylinder - Google Patents
Simply-mounted electric cylinder Download PDFInfo
- Publication number
- CN115051506A CN115051506A CN202110260595.4A CN202110260595A CN115051506A CN 115051506 A CN115051506 A CN 115051506A CN 202110260595 A CN202110260595 A CN 202110260595A CN 115051506 A CN115051506 A CN 115051506A
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- cylinder
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- 230000005540 biological transmission Effects 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000006698 induction Effects 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- 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
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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
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- 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
Abstract
The invention relates to a simple electric cylinder which comprises a servo motor, a transmission case and a driving cylinder mechanism, wherein the output end of the servo motor extends into one end of the transmission case and is provided with a driving wheel, the driving cylinder mechanism comprises a cylinder shell, a driving screw rod is arranged in the cylinder shell, one end of the driving screw rod extends into the other end of the transmission case and is provided with a driven wheel, the driven wheel is in transmission connection with the driving wheel, the other end of the driving screw rod arranged in the cylinder shell is in threaded transmission connection with a transmission assembly, the transmission assembly comprises a screw rod nut, a nut connecting piece and a hollow driving rod, the screw rod nut is in threaded positioning connection with one end of the nut connecting piece, the other end of the nut connecting piece is in threaded positioning connection with one end of the hollow driving rod, and the other end of the hollow driving rod is in transmission connection with an output shaft of the driving cylinder mechanism. The invention adopts the scheme that the welding mode is replaced by the threaded positioning connection mode to assemble the electric cylinder of the transmission assembly, and has the characteristics of convenient processing, low cost and convenient maintenance.
Description
Technical Field
The invention relates to a simple electric cylinder, in particular to an improved simple electric cylinder, and belongs to the field of electric cylinders.
Background
The existing electric cylinder mainly comprises a servo motor, a synchronizing wheel, a cylinder barrel and a screw rod transmission mechanism. The synchronous wheel plays a role in transmission between the servo motor and the lead screw transmission mechanism, the lead screw transmission mechanism generally comprises a lead screw and a lead screw transmission assembly, and the lead screw transmission assembly which converts the rotary motion of the lead screw into linear motion is generally an integrated welding structure. The main working principle of the electric cylinder is that a servo motor drives a screw rod transmission mechanism to output linear driving force through a synchronous wheel. The existing electric cylinder has the following problems: the screw rod transmission assembly adopts an integrated welding structure, the whole concentricity needs to be ensured while welding, the operation difficulty is high, the processing cost is high, and the technical requirement on welding is high; secondly, analysis is carried out from a convenient angle, welding belongs to one-time connection, the fastener cannot be reused after being installed, and if parts are damaged, the fastener can only be integrally replaced, so that the welding is not convenient; the lead screw transmission assembly welded into a whole is heavy, and is inconvenient to repair or disassemble.
Disclosure of Invention
The invention discloses a new scheme of a simply-installed electric cylinder, and discloses a scheme of an electric cylinder which adopts a thread positioning connection mode to replace a welding mode to assemble a transmission assembly, so that the problems of high processing difficulty, high cost and troublesome maintenance and repair caused by the adoption of the welding mode to assemble the transmission assembly are solved.
The invention relates to a simple electric cylinder, which comprises a servo motor, a transmission case and a driving cylinder mechanism, wherein the output end of the servo motor extends into one end of the transmission case, the output end of the servo motor extending into the transmission case is provided with a driving wheel, the driving cylinder mechanism comprises a cylinder shell, a driving screw rod is arranged in the cylinder shell, one end of the driving screw rod extends into the other end of the transmission case, one end of the driving screw rod extending into the transmission case is provided with a driven wheel, the driven wheel is in transmission connection with the driving wheel, the other end of the driving screw rod arranged in the cylinder shell is in threaded transmission connection with a transmission assembly, the transmission assembly comprises a screw rod nut, the screw rod nut is in threaded positioning connection with one end of the nut connecting piece, the other end of the nut connecting piece is in threaded positioning connection with one end of the hollow driving rod, and the other end of the hollow driving rod is in transmission connection with an output shaft of the driving cylinder mechanism.
Further, the servo motor of this scheme includes motor, reduction gear, shaft coupling, and the output shaft of motor is connected with the input transmission of reduction gear, and the output of reduction gear is connected with the one end transmission of shaft coupling, and the other end and the drive shaft transmission of shaft coupling are connected, are equipped with the action wheel in the drive shaft.
Furthermore, the one end of the cylinder shell of this scheme is equipped with the bearing frame, and the bearing frame is fixed on the other end of transmission case, is equipped with a plurality of antifriction bearing in the bearing frame, and antifriction bearing's inner circle cup joints with the one end of drive lead screw, and the other end of cylinder shell is equipped with the front end housing, and the other end of hollow actuating lever stretches into the front end housing and forms the location with the output shaft of driving cylinder mechanism and cup joints.
Furthermore, the driving wheel and the driven wheel are in transmission connection through a transmission belt or a transmission chain or a transmission gear.
Further, the nut connecting piece of this scheme is the axle sleeve structure, and the one end of nut connecting piece is equipped with screw-nut location internal thread, and screw-nut location internal thread forms screw thread location with the external screw thread on the screw-nut one end outside and is connected, and screw-nut's internal thread forms screw thread transmission with the external screw thread on the drive lead screw and is connected, and the other end of nut connecting piece is equipped with hollow actuating lever location internal thread, and hollow actuating lever location internal thread forms screw thread location with the external screw thread on the one end outside of hollow actuating lever and is connected.
Furthermore, the port inboard of the other end of the nut connecting piece of this scheme is equipped with smart location bayonet socket, and the interior eaves platform of smart location bayonet socket is connected with the outer eaves platform contact location on the one end outside of hollow actuating lever.
Furthermore, the outside middle part of the nut connecting piece of this scheme is equipped with a plurality of slider mounting grooves along circumference on, is equipped with the direction slider in the slider mounting groove, and the direction slider forms direction sliding connection with the direction slide rail on the cylinder shell inboard.
Furthermore, the driving cylinder mechanism of the scheme further comprises an automatic stroke control unit, the automatic stroke control unit comprises a servo motor control circuit, a plurality of magnetic induction sensors and a plurality of magnetic rings, a plurality of magnetic ring grooves extending along the circumferential direction are formed in the outer side of the nut connecting piece in the axial direction, the magnetic rings are arranged in the magnetic ring grooves, the magnetic induction sensors are arranged in preset positions on the cylinder shell in the axial direction, the nut connecting piece drives the magnetic rings to reciprocate, the magnetic rings trigger the magnetic induction sensors in the preset positions, and the servo motor control circuit controls the output steering of the servo motor according to received trigger signals of the magnetic induction sensors in the preset positions.
The scheme of assembling the transmission assembly by simply installing the electric cylinder adopts a threaded positioning connection mode to replace a welding mode, and has the characteristics of convenience in processing, cost reduction and maintenance.
Drawings
Fig. 1 is a schematic view of a simply-installed electric cylinder.
Fig. 2 is a schematic sectional view of a section a-a of the simply-installed electric cylinder of fig. 1.
Fig. 3 is a schematic cross-sectional view of a feed screw nut.
Fig. 4 is a schematic cross-sectional view of a nut connector.
Fig. 5 is a schematic cross-sectional view of a hollow drive rod.
The device comprises a servo motor, a driving wheel, a cylinder shell, a driving screw rod, a bearing seat, a screw rod nut, a nut connecting piece, a hollow driving rod, a front end cover, a driving cylinder mechanism, an output shaft, a fine positioning bayonet, an inner ledge, an outer ledge, a magnetic ring groove, a guide sliding block, a guide sliding rail and a driven wheel.
Detailed Description
As shown in fig. 1 and 2, the simple electric cylinder of the invention comprises a servo motor and a transmission case, the actuating cylinder mechanism, servo motor's output stretches into the one end of transmission case, be equipped with the action wheel on stretching into the servo motor's of transmission case output, actuating cylinder mechanism includes the cylinder shell, be equipped with the drive lead screw in the cylinder shell, the one end of drive lead screw stretches into the other end of transmission case, the one end of the drive lead screw that stretches into the transmission case is equipped with from the driving wheel, be connected with the action wheel transmission from the driving wheel, the other end and the drive assembly formation screw thread transmission of the drive lead screw of establishing in the cylinder shell are connected, the drive assembly includes screw-nut, the nut connecting piece, hollow actuating lever, screw-nut forms screw thread location with the one end of nut connecting piece and is connected, the other end and the one end of hollow actuating lever of nut connecting piece form screw thread location and are connected, the other end and the output shaft transmission of actuating cylinder mechanism are connected of hollow actuating lever. Above-mentioned scheme adopts the electronic jar scheme that the drive assembly was assembled to threaded positioning connected mode replacement welding mode, and the dismouting of being convenient for, maintenance, transportation have overcome simultaneously that the processing degree of difficulty that adopts the welding mode to bring is big, and is with high costs, are difficult to guarantee the scheduling problem of concentricity, have with low costs, characteristics such as being convenient for process, maintain.
In order to realize the function of the servo motor and meet the requirement of the rotating speed, as shown in fig. 2, the servo motor of the scheme comprises a motor, a speed reducer and a coupler, wherein an output shaft of the motor is in transmission connection with an input end of the speed reducer, an output end of the speed reducer is in transmission connection with one end of the coupler, the other end of the coupler is in transmission connection with a driving shaft, and a driving wheel is arranged on the driving shaft. Only the servo motor is shown in fig. 2, and the other components are omitted from illustration, and those skilled in the art can implement the solution without any doubt according to the disclosure of the above solution.
In order to meet the requirement of stable transmission, as shown in fig. 2, one end of the cylinder shell of the scheme is provided with a bearing seat, the bearing seat is fixed at the other end of the transmission case, a plurality of rolling bearings are arranged in the bearing seat, inner rings of the rolling bearings are sleeved with one end of a driving screw rod, the other end of the cylinder shell is provided with a front end cover, and the other end of the hollow driving rod extends into the front end cover to form positioning sleeving connection with an output shaft of a driving cylinder mechanism. In order to realize the transmission connection between the driving wheel and the driven wheel, the driving wheel and the driven wheel form transmission connection through a transmission belt or a transmission chain or a transmission gear. The drive belt, drive chain, drive gear are omitted from fig. 2, but the person skilled in the art will be able to implement this solution unambiguously from the disclosure of the solution described above.
In order to realize the thread positioning connection of the transmission assembly, the scheme discloses a specific connection mode, as shown in fig. 2, 3, 4 and 5, the nut connecting piece of the scheme is of a shaft sleeve structure, one end of the nut connecting piece is provided with a screw-nut positioning internal thread, the screw-nut positioning internal thread forms thread positioning connection with an external thread on the outer side of one end of a screw-nut, the internal thread of the screw-nut forms thread transmission connection with an external thread on a driving screw rod, the other end of the nut connecting piece is provided with a hollow driving rod positioning internal thread, and the hollow driving rod positioning internal thread forms thread positioning connection with the external thread on the outer side of one end of the hollow driving rod.
Based on above scheme, satisfying under the prerequisite of convenient to detach equipment maintenance, in order to guarantee the concentricity requirement of connecting, improve the precision of connecting, as shown in fig. 2, 4, 5, the port inboard of the other end of the nut connecting piece of this scheme is equipped with the accurate location bayonet socket, and the interior eaves platform of accurate location bayonet socket is connected with the outer eaves platform contact location on the one end outside of hollow actuating lever. In order to ensure that the rotation of the driving screw rod is stably converted into the linear motion of the hollow driving rod, as shown in fig. 2 and 4, a plurality of slide block mounting grooves are formed in the middle of the outer side of the nut connecting piece in the scheme along the circumferential direction, guide slide blocks are arranged in the slide block mounting grooves, and the guide slide blocks are connected with guide slide rails on the inner side of the cylinder shell in a guide sliding mode.
The scheme also discloses a scheme for automatically controlling the telescopic stroke of the electric cylinder, as shown in fig. 2 and 4, the driving cylinder mechanism further comprises an automatic stroke control unit, the automatic stroke control unit comprises a servo motor control circuit, a plurality of magnetic induction sensors and a plurality of magnetic rings, a plurality of magnetic ring grooves extending along the circumferential direction are formed in the outer side of the nut connecting piece in the axial direction, magnetic rings are arranged in the magnetic ring grooves, the magnetic induction sensors are arranged on the cylinder shell in the axial direction in preset positions, the nut connecting piece drives the magnetic rings to reciprocate, the magnetic induction sensors on the preset positions are triggered by the magnetic rings, and the servo motor control circuit controls the output steering of the servo motor according to received trigger signals of the magnetic induction sensors on the preset positions. For example, the magnetic induction sensor a is fixed at the output end of the cylinder housing, the magnetic induction sensor B is fixed at the connection end of the cylinder housing, when the nut connecting piece drives the magnetic ring to move to the magnetic induction sensor a, the magnetic induction sensor a is triggered and sends a trigger signal a to the servo motor control circuit, the servo motor control circuit controls the servo motor to rotate reversely according to the received trigger signal a to realize the return stroke of the electric cylinder, when the nut connecting piece drives the magnetic ring to move to the magnetic induction sensor B, the magnetic induction sensor B is triggered and sends a trigger signal B to the servo motor control circuit, and the servo motor control circuit controls the servo motor to rotate forward according to the received trigger signal B to realize the progress of the electric cylinder. The technical problem of how to automize the flexible stroke of accurate control electronic jar is solved to above scheme, has realized the technological effect of high efficiency, accurate control.
The scheme discloses an electric actuating device, in particular to a simple electric cylinder. The scheme mainly comprises a servo motor a, a driving wheel b, a cylinder shell c, a driving screw rod d, a bearing seat e, a screw rod nut f, a nut connecting piece g, a hollow driving rod h and a front end cover i. The driving wheel b is in transmission connection with the driven wheel p below, the screw rod nut f is locked on the nut connecting piece g through a screw, and the nut connecting piece g is in threaded connection with the hollow driving rod h. The main working principle of the electric cylinder is that a servo motor a drives a driving wheel b to drive a driven wheel p to rotate, the driven wheel p drives a driving screw rod d to rotate, the driving screw rod d rotates and is converted into linear motion of a screw rod nut f, and therefore a nut connecting piece g and a hollow driving rod h are driven to do front-back telescopic motion, and operation of the electric cylinder is achieved.
Based on the above contents, the scheme has the following characteristics:
the high concentricity of the nut connecting piece g after connection can be guaranteed, and the repair and the disassembly are also convenient.
A guide sliding block n is additionally arranged on the nut connecting piece g, so that the hollow driving rod h and the connecting piece in front cannot rotate while linear motion is ensured.
The magnetic ring is additionally arranged on the nut connecting piece g, so that when the electric cylinder runs, the stroke of the electric cylinder running can be controlled by additionally arranging the magnetic induction sensor on the cylinder body.
The mechanisms, structures, and the like disclosed in the present invention can be implemented by general and conventional means known in the art, unless otherwise specified. The simple electric cylinder is not limited to the disclosure in the specific embodiment, the technical solutions presented in the examples can be extended based on the understanding of the skilled person in the art, and the simple alternatives made by the skilled person in the art according to the present solution in combination with the common general knowledge also belong to the scope of the present solution.
Claims (8)
1. A simple electric cylinder is characterized by comprising a servo motor, a transmission case and a driving cylinder mechanism, wherein the output end of the servo motor extends into one end of the transmission case, a driving wheel is arranged on the output end of the servo motor extending into the transmission case, the driving cylinder mechanism comprises a cylinder shell, a driving lead screw is arranged in the cylinder shell, one end of the driving lead screw extends into the other end of the transmission case, a driven wheel is arranged at one end of the driving lead screw extending into the transmission case, the driven wheel is in transmission connection with the driving wheel, the other end of the driving lead screw arranged in the cylinder shell is in thread transmission connection with a transmission assembly, the transmission assembly comprises a lead screw nut, a nut connecting piece and a hollow driving rod, the lead screw nut is in thread positioning connection with one end of the nut connecting piece, and the other end of the nut connecting piece is in thread positioning connection with one end of the hollow driving rod, the other end of the hollow driving rod is in transmission connection with an output shaft of the driving cylinder mechanism.
2. The simple electric cylinder according to claim 1, wherein the servo motor comprises a motor, a reducer and a coupler, an output shaft of the motor is in transmission connection with an input end of the reducer, an output end of the reducer is in transmission connection with one end of the coupler, the other end of the coupler is in transmission connection with a driving shaft, and the driving wheel is arranged on the driving shaft.
3. The simple electric cylinder according to claim 1, wherein a bearing seat is arranged at one end of the cylinder barrel shell, the bearing seat is fixed at the other end of the transmission case, a plurality of rolling bearings are arranged in the bearing seat, inner rings of the rolling bearings are sleeved with one end of the driving screw rod, a front end cover is arranged at the other end of the cylinder barrel shell, and the other end of the hollow driving rod extends into the front end cover to form positioning sleeve joint with an output shaft of the driving cylinder mechanism.
4. The simple-mounted electric cylinder as claimed in claim 1, wherein the driving wheel is in transmission connection with the driven wheel through a transmission belt or a transmission chain or a transmission gear.
5. The simple electric cylinder according to claim 1, wherein the nut connector is of a shaft sleeve structure, one end of the nut connector is provided with a screw nut positioning internal thread, the screw nut positioning internal thread is in threaded positioning connection with an external thread on the outer side of one end of the screw nut, the internal thread of the screw nut is in threaded transmission connection with the external thread on the driving screw, the other end of the nut connector is provided with a hollow driving rod positioning internal thread, and the hollow driving rod positioning internal thread is in threaded positioning connection with the external thread on the outer side of one end of the hollow driving rod.
6. The simple electric cylinder according to claim 5, wherein a fine positioning bayonet is arranged on the inner side of the port at the other end of the nut connecting piece, and an inner eaves platform of the fine positioning bayonet is in contact positioning connection with an outer eaves platform on the outer side of the end head at one end of the hollow driving rod.
7. The simple-mounted electric cylinder according to claim 5, wherein a plurality of slide block mounting grooves are circumferentially formed in the middle of the outer side of the nut connecting piece, guide slide blocks are arranged in the slide block mounting grooves, and the guide slide blocks are in guide sliding connection with guide slide rails on the inner side of the cylinder shell.
8. The electric cylinder as claimed in claim 5, wherein the driving cylinder mechanism further comprises an automatic stroke control unit, the automatic stroke control unit comprises a servo motor control circuit, a plurality of magnetic induction sensors, and a plurality of magnetic rings, a plurality of magnetic ring slots extending along the circumferential direction are axially formed on the outer side of the nut connecting member, the magnetic rings are disposed in the magnetic ring slots, the magnetic induction sensors are disposed at predetermined positions along the axial direction on the cylinder housing, the nut connecting member drives the magnetic rings to reciprocate, the magnetic rings trigger the magnetic induction sensors at the predetermined positions, and the servo motor control circuit controls the output of the servo motor to turn according to the received trigger signals of the magnetic induction sensors at the predetermined positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110260595.4A CN115051506A (en) | 2021-03-10 | 2021-03-10 | Simply-mounted electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110260595.4A CN115051506A (en) | 2021-03-10 | 2021-03-10 | Simply-mounted electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115051506A true CN115051506A (en) | 2022-09-13 |
Family
ID=83156224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110260595.4A Pending CN115051506A (en) | 2021-03-10 | 2021-03-10 | Simply-mounted electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115051506A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3027795U (en) * | 1996-02-09 | 1996-08-13 | 株式会社タック技研工業 | Electric cylinder |
| JP2014168373A (en) * | 2014-04-10 | 2014-09-11 | Sintokogio Ltd | Electrically driven cylinder |
| CN204205814U (en) * | 2014-10-24 | 2015-03-11 | 南通德昊精密机械有限公司 | A kind of high-precision servo electric cylinder |
| CN205945382U (en) * | 2016-08-11 | 2017-02-08 | 无锡灵德自动化科技有限公司 | Servo electric cylinder |
| CN214480086U (en) * | 2021-03-10 | 2021-10-22 | 苏州玖钧智能装备有限公司 | Simply-mounted electric cylinder |
-
2021
- 2021-03-10 CN CN202110260595.4A patent/CN115051506A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3027795U (en) * | 1996-02-09 | 1996-08-13 | 株式会社タック技研工業 | Electric cylinder |
| JP2014168373A (en) * | 2014-04-10 | 2014-09-11 | Sintokogio Ltd | Electrically driven cylinder |
| CN204205814U (en) * | 2014-10-24 | 2015-03-11 | 南通德昊精密机械有限公司 | A kind of high-precision servo electric cylinder |
| CN205945382U (en) * | 2016-08-11 | 2017-02-08 | 无锡灵德自动化科技有限公司 | Servo electric cylinder |
| CN214480086U (en) * | 2021-03-10 | 2021-10-22 | 苏州玖钧智能装备有限公司 | Simply-mounted electric cylinder |
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