CN202420848U - Accelerator actuator of servo motor - Google Patents
Accelerator actuator of servo motor Download PDFInfo
- Publication number
- CN202420848U CN202420848U CN 201120488649 CN201120488649U CN202420848U CN 202420848 U CN202420848 U CN 202420848U CN 201120488649 CN201120488649 CN 201120488649 CN 201120488649 U CN201120488649 U CN 201120488649U CN 202420848 U CN202420848 U CN 202420848U
- Authority
- CN
- China
- Prior art keywords
- servomotor
- rack
- guide pipe
- gear
- tooth bar
- 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 - Lifetime
Links
Images
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model relates to an accelerator actuator of a servo motor. The accelerator actuator comprises a controller and the servo motor, wherein the servo motor is driven through a servo driver; an input end of the servo driver is connected with an external control encoder; a power output end of the servo motor is connected with a power input end of a linear actuating mechanism; the linear actuating mechanism comprises a gear and a rack; the servo motor is connected with the gear in a transmission way; the gear is rotationally arranged on a gear base; the rack is glidingly arranged on the gear base; the gear is meshed with the rack and is connected with the rack in the transmission way; and the rack is connected with a pull wire of a control accelerator through a pull wire connecting rod in the transmission way. The accelerator actuator adopts a gear-rack structure, and compared with the transmission way, such as chain transmission, the accelerator actuator is high in position control precision, and the problem that the accelerator vibrates is thoroughly solved. In addition, through control of software, the accelerator actuator has a connection zero returning function, and is relatively high in execution power, large in travel, high in stability, high in positioning precision and high in dynamic response speed.
Description
Technical field
The utility model belongs to measurement and control, threst stand system, is specifically related to a kind of servomotor throttle actuator.
Background technology
Along with motor car engine and power assembly technology rapid development; Requirement to the engine test test is more and more harsher; For the position control of engine throttle, response speed, bearing accuracy and reliability requirement are increasingly high, and especially electric dynamometer is popularized rapidly; High-level transient state test progressively increases; Mostly servo electric machine type throttle actuator in the market is that external producer provides, and price is very expensive, and original electromagnetic type throttle actuator can not adapt to the testing standard of part producer.
Domestic threst stand system mainly adopts electromagnetic type, fork electric motor type, chain-type, air-cylinder type throttle actuator to control to Throttle Opening Control at present.Maximum is to adopt the electromagnetic type throttle actuator to carry out the engine throttle control mode, but because there are the vibrations of electromagnetic conversion, test bay electromagnetic interference (EMI) and spring, has the throttle jitter phenomenon in actual use; Electric motor type throttle actuator (swing rod form the is not a rectilinear motion mode) shake that part enterprise uses is big, can't return zero-bit under the off-position, has potential safety hazard; And the servomotor throttle actuator of the employing chain-type kind of drive, bearing accuracy is lower, and response speed is restricted.
The utility model content
The purpose of the utility model provides a kind of servomotor throttle actuator, and is big to solve existing throttle actuator shake, can't return zero-bit under the off-position and bearing accuracy is lower, the restricted problem of response speed.
Be to realize above-mentioned purpose, the utility model adopts following technical scheme: a kind of servomotor throttle actuator, comprise controller and the servomotor through servo driver drives, and the input end of said servo-driver is connected with the external control scrambler; The clutch end of said servomotor is connected with the power intake of orthoscopic topworks; Said orthoscopic topworks comprises gear and tooth bar, and said servomotor is connected with gear drive; Said gear rotates and is assemblied on the pinion stand, and tooth bar is slidedly assemblied on the pinion stand, and wheel and rack is connected by meshing transmission, and said tooth bar is in transmission connection through the backguy of backguy connecting link with the control throttle.
Being set with at tooth bar in its guide channel two ends that tooth bar is set on the pinion stand is the process guide pipe and the backhaul guide pipe of the two ends guiding of tooth bar when pinion stand slides, and process guide pipe and backhaul guide pipe are communicated with the two ends of guide channel respectively; Said backguy is arranged in the process conduit.
Said backguy is arranged with the backguy cover outward, and the backguy cover is fixed on the process guide pipe through backguy cover connecting link.
Be fixed with the linear bearing that is used to make the spacing motion of rack linear between the said rack and pinion seat, be respectively equipped with end ring between said linear bearing and process guide pipe and the backhaul guide pipe.
Said pinion stand is provided with the screw mounting hole that is communicated with the tooth bar guide channel, and said screw mounting hole is provided with the oiling screw.
The end of said backhaul guide pipe is provided with plug.
The servomotor throttle actuator of the utility model adopts gear & rack structure, and response speed can reach 2mm/ms, and power output reaches 150N; Than kinds of drive such as chain drives, position control accuracy is high, has thoroughly solved the throttle jitter problem; Filled up the blank of like product, satisfied the new market demand, compared with original electromagnetic type throttle actuator; Cost is similar, but performance has a distinct increment, and has favorable economic benefit; In addition, through software control, possess the zero power ability of switching on back, implementation capacity is big, stroke is big, can satisfy the power-equipment machinery oil gate control of all size; Good stability, high, the rapid dynamic response speed of bearing accuracy can be made long-term long duration test, high dynamic test.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of the utility model servomotor throttle actuator;
Fig. 2 is the front elevation of orthoscopic topworks;
Fig. 3 is the side view of orthoscopic topworks.
Embodiment
Be illustrated in figure 1 as the structural representation of the system embodiment of the utility model servomotor throttle actuator; Can know by figure; This servomotor throttle actuator comprises controller and the servomotor through servo driver drives, and the input end of servo-driver is connected with the external control scrambler; The clutch end of servomotor is connected with the power intake of orthoscopic topworks; Orthoscopic topworks adopts pinion and-rack straight-line transmitting flowing mode.
The controller of present embodiment is a PC, is made up of the department of computer science that possesses the serial communication ability Control Software of unifying; Adopt communication modes that servo-driver is controlled and exchanges data, can read the encoder position/speed feedback value of servomotor, carry out closed-loop control through servo-driver.Servo-driver sends number order immediately, but the action of setting speed and positional value (the servomotor rotation number of turns) control servomotor.Program carries out freely setting to the zero-bit (initial position) and the full scale (maximum position) of throttle actuator.Wherein, the external control scrambler is that servo-driver is sent the scrambler control signal, after servo-driver is accepted, rotates the rotation number of turns and the speed of the number of turns and velocity of rotation control servomotor according to scrambler.Servo-driver is accepted outside communication or scrambler steering order, drives servomotor with position and speed ring (being constant speed degree, allocation) mode, makes the speed of axially-movable to set of servomotor, arrives desired location.Servomotor 12 adopts brushless servo motor, carries out position feedback through 18 bit serial incremental encoder signals, and bearing accuracy is less than 0.1mm; Maximum axial speed can reach 2000r/min, and minimum speed can reach 0.01r/min.
Orthoscopic topworks adopts pinion and-rack straight-line transmitting flowing mode; The axially-movable of servomotor is converted into rectilinear motion through rack-and-pinion, and it is made up of servomotor 12, electric machine support 13, pinion and rack, lubricated guiding mechanism, and said servomotor is connected with gear drive; Shown in Fig. 2 and 3; The gear 17 of gear and rack mechanism rotates and is assemblied on the pinion stand 4, and tooth bar 3 is slidedly assemblied on the pinion stand, and wheel and rack is connected by meshing transmission; The gear 17 outer gear doors 16 that are provided with, tooth bar 3 is in transmission connection through the backguy 11 of backguy connecting link 8 with the control throttle.
Being set with at tooth bar in its guide channel two ends that tooth bar is set on the pinion stand 4 is the process guide pipe 9 and backhaul guide pipe 2 of the two ends guiding of tooth bar when pinion stand slides, and process guide pipe 9 is communicated with the two ends of guide channel respectively with backhaul guide pipe 2; Backguy 11 is arranged in the process conduit 9, and backguy 11 is outer to be arranged with the backguy cover, and the backguy cover is fixed on the process guide pipe 9 through backguy cover connecting link 10.
Servomotor 12 is fixed on the electric machine support 13, and is provided with dividing plate 14 and O-ring seal 15.
In addition, be fixed with the linear bearing 6 that is used to make the spacing motion of rack linear between tooth bar 3 and the pinion stand 4, be respectively equipped with end ring 5 between linear bearing 6 and process guide pipe 9 and the backhaul guide pipe 2.
Pinion stand is provided with the screw mounting hole that is communicated with the tooth bar guide channel; Be provided with oiling screw 7 in the screw mounting hole; The end of backhaul guide pipe 2 is provided with plug 1; Lubricated guiding mechanism is made up of plug 1, oiling screw 7, O-ring seal 15 and backguy cover connecting link 10, and lubricating through lubricated guiding mechanism realization sealing of tooth bar 3, gear 17 lubricated.
The control section that the utility model is made up of controller and external control scrambler is sent drive signal here; Drive servomotor 12 rotations, be transferred to gear 17 through key, gear 17 drives tooth bar 3 and moves; Tooth bar 3 is transferred to backguy 11 through backguy connecting link 8 with power; And backguy cover is fixed on the process guide pipe 9 through backguy cover connecting link 10, realizes rectilinear motion, tooth bar move through backhaul guide pipe 2, process guide pipe 9, linear bearing 6 guide and limits.
The utility model has programmed control and 2 kinds of control modes of external control:
(1) programmed control: computer-controlled program sends control command to servo-driver; Servo-driver axially moves according to control command control servomotor; Orthoscopic topworks transfers the axially-movable of servomotor to rectilinear motion; Program can read the displacement (apart from the rotation number of turns of initial point) that servomotor position feedback scrambler reads axially-movable through servo-driver simultaneously, and through program axial displacement is converted into straight-line displacement, and can be directly changed into the aperture signal into throttle; And program can be to the position of straight-line displacement, and speed is set arbitrarily.
(2) external control: can be through the external control scrambler to the servo-driver output order, according to the rotation number of turns and the motion of speed control servomotor of external control scrambler.When carrying out initial operation, configure the throttle zero-bit earlier, make servomotor work through the external control scrambler, treat that accelerator open degree arrives full scale after, control program can be confirmed full scale value according to external signal, accomplishes zero-bit full scale calibration process with this.
The principle of work and the process of the utility model are following: control program sends desired location/speed command to servo-driver; After servo-driver receives; Send to servomotor through handling through communication modes; Servomotor begins by setting speed, desired location action, and topworks arrives assigned address with setting speed up to motor shaft control orthoscopic; In this process, servo-driver and servomotor form speed closed loop, the two closed-loop controls of position closed loop, constantly read servomotor position feedback code device signal and confirm orthoscopic topworks position.After reaching the position, servo-driver is issued computer-controlled program with communication modes with the orthoscopic topworks signal that puts in place, and computing machine sends next bar steering order again.In the course of the work, can suddenly stop throttle actuator through outside scram button or software at any time, make its stop motion get back to zero-bit (initial point).
The servomotor throttle actuator of the utility model adopts brushless servo motor control, carries out position feedback through 18 bit serial incremental encoder signals, and bearing accuracy is less than 0.1mm, and stable performance, the life-span is long, response speed is fast, and anti-electromagnetic interference capability is strong; Adopt gear & rack structure, response speed can reach 2mm/ms, and power output reaches 150N; Than kinds of drive such as chain drives, position control accuracy is high, has thoroughly solved the throttle jitter problem; Filled up the blank of like product, satisfied the new market demand, compared with original electromagnetic type throttle actuator; Cost is similar, but performance has a distinct increment, and has favorable economic benefit; In addition, through software control, possess the zero power ability of switching on back, implementation capacity is big, stroke is big, can satisfy the power-equipment machinery oil gate control of all size; Good stability, high, the rapid dynamic response speed of bearing accuracy can be made long-term long duration test, high dynamic test, and technical indicator is superior to similar products at home and abroad.
Claims (6)
1. servomotor throttle actuator is characterized in that: comprise controller and the servomotor through servo driver drives, the input end of said servo-driver is connected with the external control scrambler; The clutch end of said servomotor is connected with the power intake of orthoscopic topworks; Said orthoscopic topworks comprises gear and tooth bar, and said servomotor is connected with gear drive; Said gear rotates and is assemblied on the pinion stand, and tooth bar is slidedly assemblied on the pinion stand, and wheel and rack is connected by meshing transmission, and said tooth bar is in transmission connection through the backguy of backguy connecting link with the control throttle.
2. servomotor throttle actuator according to claim 1; It is characterized in that: being set with at tooth bar in its guide channel two ends that tooth bar is set on the pinion stand is the process guide pipe and the backhaul guide pipe of the two ends guiding of tooth bar when pinion stand slides, and process guide pipe and backhaul guide pipe are communicated with the two ends of guide channel respectively; Said backguy is arranged in the process conduit.
3. servomotor throttle actuator according to claim 2 is characterized in that: said backguy is arranged with the backguy cover outward, and the backguy cover is fixed on the process guide pipe through backguy cover connecting link.
4. according to claim 2 or 3 described servomotor throttle actuators; It is characterized in that: be fixed with the linear bearing that is used to make the spacing motion of rack linear between the said rack and pinion seat, be respectively equipped with end ring between said linear bearing and process guide pipe and the backhaul guide pipe.
5. according to claim 2 or 3 described servomotor throttle actuators, it is characterized in that: said pinion stand is provided with the screw mounting hole that is communicated with the tooth bar guide channel, and said screw mounting hole is provided with the oiling screw.
6. servomotor throttle actuator according to claim 5 is characterized in that: the end of said backhaul guide pipe is provided with plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120488649 CN202420848U (en) | 2011-11-30 | 2011-11-30 | Accelerator actuator of servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120488649 CN202420848U (en) | 2011-11-30 | 2011-11-30 | Accelerator actuator of servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202420848U true CN202420848U (en) | 2012-09-05 |
Family
ID=46745603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120488649 Expired - Lifetime CN202420848U (en) | 2011-11-30 | 2011-11-30 | Accelerator actuator of servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202420848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388025A (en) * | 2015-12-19 | 2016-03-09 | 中山弗雷德机械有限公司 | Accelerator pedal mechanical control device |
| CN109708894A (en) * | 2018-12-28 | 2019-05-03 | 西门子工厂自动化工程有限公司 | Throttle clutch executor control system |
-
2011
- 2011-11-30 CN CN 201120488649 patent/CN202420848U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388025A (en) * | 2015-12-19 | 2016-03-09 | 中山弗雷德机械有限公司 | Accelerator pedal mechanical control device |
| CN109708894A (en) * | 2018-12-28 | 2019-05-03 | 西门子工厂自动化工程有限公司 | Throttle clutch executor control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101844317B (en) | Device and method for correcting transmission error of precise numerical control machine closed loop servo system | |
| CN203863677U (en) | Linear motion module | |
| CN104568428A (en) | Measuring instrument for comprehensive performances of RV (rot-vector) reducer | |
| CN103921464B (en) | A kind of helical teeth planet-gear transmission electrical servo fly press | |
| CN203416098U (en) | Power transmission device | |
| CN106640846B (en) | Servo actuator high dynamic loading device based on linear electric motors driving reinforcement module | |
| CN202420848U (en) | Accelerator actuator of servo motor | |
| CN203707978U (en) | Integrated servo electric cylinder | |
| CN114087414B (en) | Thing networking WIFI driving motor adjusts digital valve with displacement feedback | |
| CN101706267B (en) | Indexing mechanism with large diameter, small angle and high precision | |
| CN206988515U (en) | One kind rotation fork type servo-electric actuator | |
| CN201739439U (en) | Anti-backlash speed reducer | |
| CN203541212U (en) | High-speed servo die punching mechanism | |
| CN203239673U (en) | Servo hydraulic cylinder | |
| CN201902672U (en) | Stroke control opening degree indicating mechanism | |
| CN203339929U (en) | Hydraulic push rod speed adjustment mechanism for magnetic force coupler | |
| CN201632864U (en) | Dual-drive anti-backlash feeding device | |
| CN203409229U (en) | Melt feeder | |
| CN204685898U (en) | A kind of control system based on numerical control wire bending machine device people | |
| CN201528254U (en) | Single-shaft servo control device | |
| CN2839580Y (en) | Electronic throttle controller | |
| CN209458356U (en) | A kind of double revolving speed output speed changers | |
| CN202968025U (en) | Mechanical transmission lifting gantry | |
| CN207729001U (en) | A kind of device for controlling type variable valve position | |
| CN208197616U (en) | A kind of servo-pressing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |