CN102080711A - Electric servo control push rod - Google Patents
Electric servo control push rod Download PDFInfo
- Publication number
- CN102080711A CN102080711A CN 201110024587 CN201110024587A CN102080711A CN 102080711 A CN102080711 A CN 102080711A CN 201110024587 CN201110024587 CN 201110024587 CN 201110024587 A CN201110024587 A CN 201110024587A CN 102080711 A CN102080711 A CN 102080711A
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- China
- Prior art keywords
- base
- push rod
- servo control
- ball screw
- guide pillar
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention belongs to an electric push rod, and in particular relates to an electric servo control push rod which comprises a base, a motor, a coupler, a ball screw assembly, a screw base and a guide pillar, wherein the motor is a servo motor (1) which is fixedly arranged on the base (1) and connected with a screw shaft of the ball screw assembly (8) through the coupler (3), the ball screw assembly is rotatably connected with an inner hole of a vertical plate (14) of the base (10), a nut of the ball screw assembly (8) is connected with the screw base (9) through a bolt, the screw base (9) is sleeved on the guide pillar (13) and can move front and back along the guide pillar (13), and the front end of the screw base (9) is also provided with a loading feedback device. Pressure sensors (18) arranged on the servo motor 1 and a force sensor 11 or an oil cylinder output pipeline form closed loop feedback, thus the accurate force output or liquid pressure output is realized. The invention has the advantages of simple structure and high efficiency, and is suitable for various occasions.
Description
Technical field
The invention belongs to electric pushrod, particularly a kind of push rod of electro-servo control.
Background technique
Mostly electric pushrod was to be made up of parts such as common electric machine, reduction gear, screw rod, nut, push rods in the past, was mostly the power output type.Its ouput force control accuracy is lower.Electric drive hydraulic thruster need add hydraulic station, for the power output of precise control, need install special pressure control valve additional.As Proportional valve or servovalve, complex structure cost height.
Summary of the invention
The purpose of this invention is to provide a kind of ouput force that can be suitable for accurately controlling, also can accurately control the electro-servo control push rod of hydraulic coupling output, overcome the deficiency that electric pushrod ouput force control accuracy is lower and electric drive hydraulic thruster complex structure cost is high in the past.
The object of the present invention is achieved like this, and accompanying drawings is as follows:
A kind of electro-servo control push rod, form by base, motor, coupling, ball screw pair, leading screw seat, guide pillar, described motor is an actuating motor, and actuating motor 1 is packed on the base 10 and by coupling 3 and is connected with the lead screw shaft of ball screw pair 8, the endoporus of the middle riser 14 of ballscrew shaft and base 10 is rotationally connected, the nut of ball screw pair 8 is connected with leading screw seat 9 by screw, leading screw seat 9 is sleeved on the guide pillar 13 and can moves forward and backward along guide pillar 13, at the front end of leading screw seat 9 the loading feedback means is housed also.
Described loading feedback means is equipped with force transducer 11 and load bar 12 for the front end at leading screw seat 9.
Described loading feedback means is equipped with oil cylinder 16 and pressure transducer 18 for the front end at leading screw seat 9.
Described ballscrew shaft is rotationally connected with the middle riser 14 of base 10 by thrust-bearing 5, ball bearing 6, a set of cups 4, gland 7.
Direct-connected or the parallel axes of described actuating motor 1 and ball screw pair 8 is connected.
The invention has the beneficial effects as follows:
The pressure transducer of installing on actuating motor 1 and force transducer 11 or the oil cylinder output pipe 18 constitutes closed-loop feedback, realizes accurate power output or fluid pressure output.Simple in structure, the efficient height.Be applicable to multiple occasion.
Description of drawings
Fig. 1 is the plan view that a kind of electro-servo control push rod removes guide pillar 13;
Fig. 2 is the plan view (having guide pillar 13) of Fig. 1;
Fig. 3 is the plan view of a kind of electro-servo control push rod of additional oil cylinder.
Among the figure: 1, the actuating motor 2 of band brake and speed reducer, front vertical plate 3, coupling 4, a set of cups 5, thrust-bearing 6, ball bearing 7, cover plate 8, ball screw pair 9, leading screw seat 10, base 11, force transducer 12, load bar 13, guide pillar 14, middle riser 15, back vertical plate 16, oil cylinder 17, repairing jar 18, pressure transducer
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
A kind of electro-servo control push rod is made up of base 10, actuating motor 1, coupling 3, ball screw pair 8, leading screw seat 9, bearing 5, bearing 6, force transducer 11, load bar 12, guide pillar 13.Described a kind of electro-servo control push rod is formed as follows: actuating motor 1 is packed in its right end face of the front vertical plate 2 of base 10, be connected with ball screw pair 8 by coupling 3, the lead screw shaft of ball screw pair 8 is rotationally connected with the endoporus of the middle riser 14 of base 10 by thrust-bearing 5, ball bearing 6, a set of cups 4, gland 7, the nut of ball screw pair 8 is connected with leading screw seat 9 by screw, and leading screw seat 9 front ends are equipped with force transducer 11 and load bar 12.Actuating motor 1 drives ball screw pair 8, and the guide pillar 13 between the riser 14 and back vertical plate 15 moves forward and backward in the base along being loaded on to drive leading screw seat 9.
Described actuating motor 1 is direct-connected with the lead screw shaft of ball screw pair 8 by coupling 3, also can be by toothed belt and the parallel connection of the lead screw shaft of ball screw pair 8.
Described leading screw seat 9, its front end is equipped with force transducer 11 and load bar 12, also can be connected with the piston rod of the oil cylinder 16 that is packed in base 10 back vertical plates 14 end faces, also be connected with pressure transducer 18, actuating motor 1 drives ball screw pair 8, and the guide pillar 13 between the riser 14 and back vertical plate 15 moves forward and backward in the base along being loaded on to drive leading screw seat 9.Setting pressure sensor 18 constitutes closed-loop feedback on actuating motor 1 and force transducer 11 or the oil cylinder output pipe, realizes accurate power output or fluid pressure output.
A kind of working principle of electro-servo control push rod is, actuating motor 1 drives ball screw pair 8 and rotates., drive leading screw seat 9, force transducer 11, load bar 12 along guide pillar 13 reaches, when load bar 12 contacts with workpiece, control system is adjusted the driving moment of actuating motor automatically, makes load bar produce axial pressing force to workpiece, and this impacting force size is by force transducer 11 detections and feed back to control system, and then the driving moment of control actuating motor, realize the accurate control of impacting force size.When adopting oil cylinder, the piston rod reach, liquid is compressed and produces hydraulic coupling, and its size is detected and feedback by pressure transducer 18, and then the driving moment of control actuating motor, realizes the accurate output of fluid pressure size.
Claims (5)
1. electro-servo control push rod, by base, motor, coupling, ball screw pair, the leading screw seat, guide pillar is formed, it is characterized in that: described motor is an actuating motor, and actuating motor (1) is packed in base (10) and upward and by coupling (3) is connected with the lead screw shaft of ball screw pair (8), the endoporus of the middle riser (14) of ballscrew shaft and base (10) is rotationally connected, the nut of ball screw pair (8) is connected with leading screw seat (9) by screw, leading screw seat (9) is sleeved on guide pillar (13) and goes up and can move forward and backward along guide pillar (13), at the front end of leading screw seat (9) the loading feedback means is housed also.
2. a kind of electro-servo control push rod according to claim 1 is characterized in that: described loading feedback means is equipped with force transducer (11) and load bar (12) for the front end at leading screw seat (9).
3. a kind of electro-servo control push rod according to claim 1 is characterized in that: described loading feedback means is equipped with oil cylinder (16) and pressure transducer (18) for the front end at leading screw seat (9).
4. according to claim 2 or 3 described a kind of electro-servo control push rods, it is characterized in that: described ballscrew shaft is rotationally connected with the middle riser (14) of base (10) by thrust-bearing (5), ball bearing (6), a set of cups (4), gland (7).
5. a kind of electro-servo control push rod according to claim 4 is characterized in that, described actuating motor (1) or parallel axes direct-connected with ball screw pair (8) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110024587 CN102080711A (en) | 2011-01-24 | 2011-01-24 | Electric servo control push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110024587 CN102080711A (en) | 2011-01-24 | 2011-01-24 | Electric servo control push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102080711A true CN102080711A (en) | 2011-06-01 |
Family
ID=44086843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110024587 Pending CN102080711A (en) | 2011-01-24 | 2011-01-24 | Electric servo control push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102080711A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568575A (en) * | 2015-01-12 | 2015-04-29 | 哈尔滨工程大学 | Force-applying push rod device and multi-axial high-precision load loading machine |
| CN106153970A (en) * | 2016-09-06 | 2016-11-23 | 天津职业技术师范大学 | A kind of test automatically supplies fat device with trace |
| CN107461486A (en) * | 2016-06-06 | 2017-12-12 | 湖南工业大学 | A kind of method that vehicle manual gear is made into automatic catch using ball leading screw driving |
| CN109365701A (en) * | 2018-11-06 | 2019-02-22 | 济南易恒技术有限公司 | Rolled thread closed loop control method and device |
| CN109798341A (en) * | 2019-03-02 | 2019-05-24 | 哈尔滨工业大学 | A kind of Simulation of depth system |
| CN112413015A (en) * | 2020-12-01 | 2021-02-26 | 吉林大学 | Chassis brake module mechanical structure for multiple vehicle types and hydraulic control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098150C (en) * | 1998-06-18 | 2003-01-08 | 住友重机械工业株式会社 | Method for adjusting zero point for load cell in motor-driven injection molding machine |
| CN201552765U (en) * | 2009-11-03 | 2010-08-18 | 袁雅健 | Dry powder forming press driven by servomotor |
| CN201909005U (en) * | 2011-01-24 | 2011-07-27 | 吉林大学 | Electric servo control push rod |
-
2011
- 2011-01-24 CN CN 201110024587 patent/CN102080711A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098150C (en) * | 1998-06-18 | 2003-01-08 | 住友重机械工业株式会社 | Method for adjusting zero point for load cell in motor-driven injection molding machine |
| CN201552765U (en) * | 2009-11-03 | 2010-08-18 | 袁雅健 | Dry powder forming press driven by servomotor |
| CN201909005U (en) * | 2011-01-24 | 2011-07-27 | 吉林大学 | Electric servo control push rod |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568575A (en) * | 2015-01-12 | 2015-04-29 | 哈尔滨工程大学 | Force-applying push rod device and multi-axial high-precision load loading machine |
| CN104568575B (en) * | 2015-01-12 | 2017-02-22 | 哈尔滨工程大学 | Force-applying push rod device and multi-axial load loading machine |
| CN107461486A (en) * | 2016-06-06 | 2017-12-12 | 湖南工业大学 | A kind of method that vehicle manual gear is made into automatic catch using ball leading screw driving |
| CN106153970A (en) * | 2016-09-06 | 2016-11-23 | 天津职业技术师范大学 | A kind of test automatically supplies fat device with trace |
| CN106153970B (en) * | 2016-09-06 | 2018-07-31 | 天津职业技术师范大学 | It is a kind of to test with micro automatically for fat device |
| CN109365701A (en) * | 2018-11-06 | 2019-02-22 | 济南易恒技术有限公司 | Rolled thread closed loop control method and device |
| CN109798341A (en) * | 2019-03-02 | 2019-05-24 | 哈尔滨工业大学 | A kind of Simulation of depth system |
| CN112413015A (en) * | 2020-12-01 | 2021-02-26 | 吉林大学 | Chassis brake module mechanical structure for multiple vehicle types and hydraulic control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110601 |