CN201865774U - Actuating mechanism of digital electronic speed regulator - Google Patents
Actuating mechanism of digital electronic speed regulator Download PDFInfo
- Publication number
- CN201865774U CN201865774U CN2010205812953U CN201020581295U CN201865774U CN 201865774 U CN201865774 U CN 201865774U CN 2010205812953 U CN2010205812953 U CN 2010205812953U CN 201020581295 U CN201020581295 U CN 201020581295U CN 201865774 U CN201865774 U CN 201865774U
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Abstract
The utility model discloses an actuating mechanism of a digital electronic speed regulator. The actuating mechanism comprises a fixed bracket, wherein a stepping motor and a screw rod driving device are arranged on the fixed bracket; a rotation stopping block matched with a nut in a rotation stopping guide way is fixed on the fixed bracket; the rotation stopping block and the nut are axially matched with each other along a screw rod in a sliding way; a sliding rod axially extending along the screw rod is fixedly connected with the nut; a floating block which is subjected to axial translation along the sliding rod and is used for driving a gear rack of an oil supply pump is arranged on the sliding rod; a limiting structure for limiting the floating block in one direction is arranged on the sliding rod; a spring which is axially extended along the sliding rod and is used for pressing the floating block onto the limiting structure of the sliding rod is arranged between the floating block and the sliding rod; an emergency shut-down device is arranged on the fixed bracket; and the emergency shut-down device comprises a shut-down electromagnet and an emergency shut-down driving mechanism, wherein the emergency shut-down driving mechanism is connected with the shut-down electromagnet in a driving way and is used for overcoming the force of the spring applied to the floating block and the gear rack of the oil supply pump to drive the floating block and the gear rack of the oil supply pump to move toward the minimum accelerator position.
Description
Technical field
The utility model belongs to motor and uses the electronic speed regulator field, particularly a kind of digital electronic speed regulator actuator.
Background technique
Speed regulator is the control centre of motor, can change the fuel delivery per cycle of regulating motor automatically according to engine loading, keeps the stabilization of speed of motor, thereby guarantees that motor has good working performance.What use on the mini engine is centrifugal mechanical governor, and centrifugal mechanical governor is as first generation speed regulator, its structure more complicated, and adjusting speed accuracy is relatively poor, can not satisfy market demand.In recent years, because development of computer, the digital electronic speed regulator is adopted in the speed governing of diesel engine more, but the development at home of digital electronic speed regulator is slower, and especially the digital electronic governor field at light duty diesel engine or the exploitation of diesel power generation unit still belongs to blank.
Owing to be subjected to restrictions such as diesel engine cost, accessory arrangement space, at present, adopt centrifugal mechanical governor mostly at the speed regulator of light duty diesel engine or diesel power generation unit.
The model utility content
The purpose of this utility model provides a kind ofly can realize the transmission self-locking, can realize the digital electronic speed regulator actuator of emergency shutdown again.
For achieving the above object, the utility model adopts following technological scheme: digital electronic speed regulator actuator, comprise fixing frame, stepper motor and lead screw gear are installed on the fixing frame, lead screw gear comprises and the coaxial leading screw that is in transmission connection of the output revolving shaft of stepper motor, engagement is equipped with nut on leading screw, be installed with on the fixing frame with nut and only revolve the only spin-block that guiding cooperates, end spin-block and nut along the leading screw axial sliding fit, be fixed with on the nut along the axially extended sliding bar of leading screw, sliding bar is provided with the slide pad that is used to drive the oil feed pump tooth bar along the axial translation of sliding bar, on sliding bar, be provided with the unidirectional spacing limit structure of slide pad, be provided with axially extended being used between slide pad and the sliding bar with the spring on the limit structure of slide pad roof pressure at sliding bar along sliding bar, one end of spring is connected on the sliding bar, and the other end is connected on the slide pad; Be provided with emergency stop device on fixing frame, this emergency stop device comprises shuts down electromagnet and overcomes with being used to of shutting down that electromagnet is in transmission connection that spring drives slide pad to the active force of slide pad and oil feed pump tooth bar or the oil feed pump tooth bar stops driving mechanism to the urgency that minimum throttle position moves.
Be provided with the corresponding end of slide pad on the described sliding bar and be used for the mounting hole that is axially extended internally by the sliding bar end face along sliding bar that is slidingly matched with the slide pad gap, spring is assemblied in the mounting hole.
Described slide pad is provided with the perforation that is used for oil feed pump tooth bar Spielpassung, offers the chute that is slidingly matched with oil feed pump tooth bar glade plane space that extends axially and run through hole wall along sliding bar with the opposite position of perforation on the hole wall of mounting hole.
Described spring is extension spring, extension spring be connected in a end on the sliding bar than being connected in a end on the slide pad near nut, being used for the unidirectional spacing limit structure of slide pad on the sliding bar is the positive stop end of the close nut of chute.
Described fixing frame is provided with guide pad, and guide pad is provided with along the axially extended pilot hole that is slidingly matched with sliding bar of being used for of sliding bar.
The outer circumferential face of one of them in described only spin-block and the nut is provided with along the axially extended protruding key of leading screw, is provided with protruding key at another outer circumferential face opposite position place and only revolves the keyway that glade plane space cooperates.
Described urgency is stopped driving mechanism and is comprised by extending axially along sliding bar by the straight moving bar of shutting down solenoid actuated; straight moving bar is in transmission connection by synchronous transmission device and the parallel catch bar that is provided with; end away from shutting down electromagnet of catch bar is used for driving slide pad when shutting down work of electromagnet and the oil feed pump tooth bar moves to minimum throttle position; described shutdown electromagnet is arranged on the fixing frame, offers the guiding groove that is slidingly matched with catch bar on fixing frame.
In the utility model digital electronic speed regulator actuator lead screw gear is set on fixing frame, cooperate the straight line motion that rotatablely moving of stepper motor is transformed into sliding bar by leading screw and nut, thereby guarantee that slide pad fixing on sliding bar can drive the action of oil feed pump tooth bar, realization is finished the speed governing to motor to the adjustment of fuel delivery.Fixing frame is provided with and is used to limit the only spin-block that nut rotates in the utility model, has effectively guaranteed the straight line motion of nut.By the unidirectional limit structure on spring and the sliding bar slide pad is fixed on the sliding bar synchronously to realize the interlock of sliding bar and slide pad.Adopted the self-locking device of lead screw transmission in the utility model; when the needs emergency shutdown; stop driving mechanism by the shutdown electromagnet to urgency power is provided; suddenly stop driving mechanism and overcome that spring drives the oil feed pump tooth bar by slide pad to the active force of oil feed pump tooth bar and relative movement appears in sliding bar; until stopping anxious that oil feed pump tooth bar and slide pad all move to minimum throttle position under the driving mechanism effect, realize emergency shutdown.When emergency stop device was worked, no matter which kind of working state leading screw self-locking driving mechanism is in, which kind of working position sliding bar and slide pad were in, and all can overcome the self-locking of lead screw transmission and realized emergency shutdown.The utility model is simple in structure, stable drive, and actuator's stable and reliable operation can effectively guarantee the accurate speed governing to speed regulator.The utility model need not be changed original diesel engine structure, utilizes the mounting point of the speed-regulating handle of original centrifugal mechanical governor, realizes the installation of actuator, thereby improves the Economy and the adaptability of product.Owing to do not change original diesel engine structure, both guaranteed the convenience that digital electronic speed regulator actuator installs, uses and debug, saved development cost again.
Description of drawings
Fig. 1 is a kind of embodiment's of the utility model a structural representation;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the structural representation of middle emergency stop device embodiment illustrated in fig. 1.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, digital electronic speed regulator actuator, comprise by the fixing frame 4 of screw on the diesel engine gear box cover, stepper motor 2 and leading screw actuator are installed on fixing frame 4, leading screw actuator comprises the leading screw 3 that the output revolving shaft by pin and stepper motor 2 is in transmission connection, engagement is equipped with nut 5 on the leading screw 3, fixing frame 4 is provided with and is used to limit the only spin-block 6 that nut 5 rotates, end spin-block 6 and nut 5 along the leading screw axial sliding fit, on nut 5, be fixed with along the axially extended sliding bar 8 of leading screw by pin, fixing frame 4 is provided with guide pad, guide pad is provided with along the axially extended pilot hole 13 of sliding bar, sliding bar 8 cooperates with pilot hole 13 glade plane spaces, be in transmission connection at the end of sliding bar 8 and be useful on the slide pad 9 that drives oil feed pump tooth bar 11, slide pad 9 is provided with perforation, and oil feed pump tooth bar 11 is by realizing interlock with slide pad 9 with the perforation Spielpassung.
Guide pad and fixing frame in the present embodiment are wholely set, also can the split setting when specifically implementing.
On fixing frame 4, be provided for limiting the only spin-block 6 of nut rotation in the foregoing description in a side of nut 5, be provided with along the axially extended protruding key of leading screw on one of them outer circumferential face in ending spin-block 6 and nut 5, the opposite position place on another outer circumferential face is provided with protruding key only revolves the keyway that glade plane space cooperates.During concrete enforcement, protruding key both can be arranged on the nut, also can be arranged on to end on the spin-block, and keyway is arranged on corresponding ending on the spin-block or on the nut.The whole extended length of protruding key can be designed to equate, also the extended length of keyway can be designed to form and equate with the slip of nut with the sliding stroke of nut.During concrete enforcement, also can adopt other only to revolve structure, be slidingly matched as realizing ending only revolving between spin-block and the nut by engaging tooth or spline structure.
On sliding bar 8, be provided with mounting hole with slide pad 9 corresponding ends, what slide pad 9 gaps were slidingly matched is arranged in the mounting hole, between sliding bar and slide pad, be provided with along the axially extended spring 10 that is used for fixing slide pad of sliding bar, one end of spring 10 is connected on the sliding bar by pin 12, the other end is connected on the slide pad 9, in the present embodiment, spring 10 be connected in a end on the sliding bar 8 than the close nut 5 of an end that is connected in slide pad 9, this moment, slide pad 9 was pulled to nut 5 by spring 10, on the hole wall of mounting hole, offer along sliding bar and extend axially the chute 14 that runs through hole wall, chute in the present embodiment is about sliding bar central axis symmetric arrangement, sliding bar is provided with and is used to overcome spring to the active force of slide pad and to the unidirectional spacing limit structure of slide pad, limit structure in the present embodiment be the end that is arranged on chute 14 be used to overcome spring to the active force of slide pad to the unidirectional spacing positive stop end of slide pad, in the present embodiment, under the effect of spring 10, slide pad 9 is fixed on the positive stop end place of chute 14 and keeps synchronous interaction with sliding bar 8, and then by the perforation realization on the slide pad 9 and the interlock of oil feed pump tooth bar 11, thereby the straight line motion by sliding bar 8 is with the adjusting of realization to the fuel delivery size.
Present embodiment medi-spring 10 is fixed on slide pad on the sliding bar with the form of extension spring, also make spring slide pad is fixed on the sliding bar during concrete enforcement with the form of stage clip, at the bottom of this moment, the limit structure on the sliding bar was the hole of mounting hole, be distributed in the both sides of slide pad at the bottom of the hole of stage clip and mounting hole, thereby stage clip is finished axially locating to slide pad with the slide pad roof pressure at the bottom of the hole of mounting hole, makes the interlock of slide pad and sliding bar.
As Fig. 2; shown in Figure 3; on fixing frame 4, also be provided with the emergency stop device that is used to drive slide pad 9 actions; emergency stop device is mainly used in when shutting down under not having instruction or failure condition and uses; this emergency stop device comprises the shutdown electromagnet 1 that is arranged on the fixing frame 4 and stops driving mechanism with the urgency that slide pad 9 is in transmission connection; suddenly stop driving mechanism and comprise straight moving bar and catch bar 7; shutting down electromagnet 1 is provided with along sliding bar axially extended by the straight moving bar of shutting down solenoid actuated; straight moving bar is in transmission connection by synchronous transmission device and catch bar 7; in the guiding groove that is slidingly matched with catch bar that catch bar 7 is arranged on that fixing frame is provided with; during use; be integrally formed with impact block 20 on the oil feed pump tooth bar 11; catch bar 7 is over against impact block 20; when shutting down electromagnet 1 work; catch bar 7 promotes impact block 20 to the motion of minimum throttle place under shutdown electromagnet thrust, move to minimum throttle position until impact block 20 drive oil feed pump tooth bars 11 and slide pad 9.
In the specific implementation; when shutdown electromagnet 1 is not worked; catch bar 7 does not contact with impact block 20 or contact but catch bar 7 does not push impact block 20; but catch bar 7 is all the time over against impact block 20; like this in case shut down work of electromagnet; no matter slide pad 9 and oil feed pump tooth bar 11 are positioned at that position, and catch bar 7 can be pushed into slide pad and oil feed pump tooth bar the position of minimum throttle by impact block.
To guarantee during design when catch bar is in the closest approach of working stroke middle distance shutdown electromagnet; catch bar does not influence the normal interlock of oil feed pump tooth bar and slide pad; when catch bar was in the working stroke middle distance and shuts down the solstics of electromagnet, catch bar just in time can be finished the task of slide pad and oil feed pump tooth bar being pushed into minimum throttle position.
Synchronous transmission device in the present embodiment between straight moving bar and the catch bar is the diplopore latch closure of two bars of being in transmission connection, and two holes on the latch closure are fixedly set in respectively on one of them bar, by pin latch closure are fixedlyed connected with two bars, finish the Synchronous Transmission of two bars.
Impact block 20 in the present embodiment and the design of oil feed pump tooth bar one when specifically implementing, also can be the one design with impact block and slide pad.To move to minimum throttle position by promoting slide pad drive oil feed pump tooth bar when catch bar pushes impact block like this, can realize emergency shutdown equally.
During concrete enforcement; suddenly stopping driving mechanism can also can be pull bar for catch bar; shut down the opposite side that electromagnet is arranged on total oil feed pump this moment, the hook by the tie rod end setting can spur the impact block motion, finishes slide pad and the oil feed pump rack drives task to minimum throttle position.
During emergency shutdown; provide thrust by shutting down electromagnet 1 to catch bar 7; catch bar 7 promotes impact block; thereby make oil feed pump tooth bar 11 overcome the active force of spring 10 by 9 pairs of oil feed pump tooth bars 11 of slide pad make slide pad 9 away from the positive stop end of chute until making oil feed pump tooth bar and slide pad move to the throttle minimum position, realize emergency shutdown.
The utility model digital electronic speed regulator actuator in use, driving leading screw 3 by stepper motor 2 rotates, this moment with the nut 5 of leading screw 3 engagement driving along lead screw shaft to doing straight line motion, drive sliding bar 8 straight line motions of fixedlying connected with nut 5, the slide pad 9 of that the end of sliding bar 8 is provided with and oil feed pump tooth bar interlock moves along with the action of sliding bar, thereby realize adjusting, guarantee effectively to realize the speed-regulating instruction of electronic speed regulator the oil feed pump fuel delivery.When not having instruction or fault state, under the thrust of shutting down electromagnet 1, catch bar 7 makes the oil feed pump tooth bar move to minimum throttle position by the active force that impact block promotion oil feed pump tooth bar 11 overcomes 10 pairs of oil feed pump tooth bars 11 of spring, realizes emergency shutdown.
Claims (7)
1. digital electronic speed regulator actuator, it is characterized in that: comprise fixing frame, stepper motor and lead screw gear are installed on the fixing frame, lead screw gear comprises and the coaxial leading screw that is in transmission connection of the output revolving shaft of stepper motor, engagement is equipped with nut on leading screw, be installed with on the fixing frame with nut and only revolve the only spin-block that guiding cooperates, end spin-block and nut along the leading screw axial sliding fit, be fixed with on the nut along the axially extended sliding bar of leading screw, sliding bar is provided with the slide pad that is used to drive the oil feed pump tooth bar along the axial translation of sliding bar, on sliding bar, be provided with the unidirectional spacing limit structure of slide pad, be provided with axially extended being used between slide pad and the sliding bar with the spring on the limit structure of slide pad roof pressure at sliding bar along sliding bar, one end of spring is connected on the sliding bar, and the other end is connected on the slide pad; Be provided with emergency stop device on fixing frame, this emergency stop device comprises shuts down electromagnet and overcomes with being used to of shutting down that electromagnet is in transmission connection that spring drives slide pad to the active force of slide pad and oil feed pump tooth bar or the oil feed pump tooth bar stops driving mechanism to the urgency that minimum throttle position moves.
2. digital electronic speed regulator according to claim 1 actuator, it is characterized in that: be provided with the corresponding end of slide pad on the described sliding bar and be used for the mounting hole that is axially extended internally by the sliding bar end face along sliding bar that is slidingly matched with the slide pad gap, spring is assemblied in the mounting hole.
3. digital electronic speed regulator according to claim 2 actuator, it is characterized in that: described slide pad is provided with the perforation that is used for oil feed pump tooth bar Spielpassung, offers the chute that is slidingly matched with oil feed pump tooth bar glade plane space that extends axially and run through hole wall along sliding bar with the opposite position of perforation on the hole wall of mounting hole.
4. digital electronic speed regulator according to claim 3 actuator, it is characterized in that: described spring is extension spring, extension spring be connected in a end on the sliding bar than being connected in a end on the slide pad near nut, being used for the unidirectional spacing limit structure of slide pad on the sliding bar is the positive stop end of the close nut of chute.
5. according to any described digital electronic speed regulator actuator in the claim 1 to 4, it is characterized in that: described fixing frame is provided with guide pad, and guide pad is provided with along the axially extended pilot hole that is slidingly matched with sliding bar of being used for of sliding bar.
6. according to any described digital electronic speed regulator actuator in the claim 1 to 4, it is characterized in that: the outer circumferential face of one of them in described only spin-block and the nut is provided with along the axially extended protruding key of leading screw, is provided with protruding key at another outer circumferential face opposite position place and only revolves the keyway that glade plane space cooperates.
7. according to any described digital electronic speed regulator actuator in the claim 1 to 4; it is characterized in that: described urgency is stopped driving mechanism and is comprised by extending axially along sliding bar by the straight moving bar of shutting down solenoid actuated; straight moving bar is in transmission connection by synchronous transmission device and the parallel catch bar that is provided with; end away from shutting down electromagnet of catch bar is used for driving slide pad when shutting down work of electromagnet and the oil feed pump tooth bar moves to minimum throttle position; described shutdown electromagnet is arranged on the fixing frame, offers the guiding groove that is slidingly matched with catch bar on fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205812953U CN201865774U (en) | 2010-10-28 | 2010-10-28 | Actuating mechanism of digital electronic speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205812953U CN201865774U (en) | 2010-10-28 | 2010-10-28 | Actuating mechanism of digital electronic speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201865774U true CN201865774U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205812953U Expired - Lifetime CN201865774U (en) | 2010-10-28 | 2010-10-28 | Actuating mechanism of digital electronic speed regulator |
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| Country | Link |
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| CN (1) | CN201865774U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956610A (en) * | 2010-10-28 | 2011-01-26 | 河南科技大学 | Electronic speed governor actuating mechanism |
| CN103306824A (en) * | 2012-03-09 | 2013-09-18 | 株式会社久保田 | Fuel quantity regulating device for diesel engine |
| CN104533635A (en) * | 2015-01-04 | 2015-04-22 | 哈尔滨工程大学 | High-power diesel brushless direct current motor speed regulating actuator |
| CN104727954A (en) * | 2013-12-20 | 2015-06-24 | 广西大学 | Electronic speed regulator on basis of single chip microcomputer control for diesel engines |
| CN110344946A (en) * | 2019-06-19 | 2019-10-18 | 盐城赛福汽车零部件有限公司 | A kind of diesel engine digital intelligent electronic speed regulator |
| CN110397506A (en) * | 2019-06-19 | 2019-11-01 | 盐城赛福汽车零部件有限公司 | A kind of executive device for diesel engine digital electronic governor |
-
2010
- 2010-10-28 CN CN2010205812953U patent/CN201865774U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956610A (en) * | 2010-10-28 | 2011-01-26 | 河南科技大学 | Electronic speed governor actuating mechanism |
| CN101956610B (en) * | 2010-10-28 | 2013-06-05 | 河南科技大学 | Electronic speed governor actuating mechanism |
| CN103306824A (en) * | 2012-03-09 | 2013-09-18 | 株式会社久保田 | Fuel quantity regulating device for diesel engine |
| CN103306824B (en) * | 2012-03-09 | 2017-08-29 | 株式会社久保田 | The fuel quantity regulating device of Diesel engine |
| CN104727954A (en) * | 2013-12-20 | 2015-06-24 | 广西大学 | Electronic speed regulator on basis of single chip microcomputer control for diesel engines |
| CN104533635A (en) * | 2015-01-04 | 2015-04-22 | 哈尔滨工程大学 | High-power diesel brushless direct current motor speed regulating actuator |
| CN104533635B (en) * | 2015-01-04 | 2017-05-24 | 哈尔滨工程大学 | High-power diesel brushless direct current motor speed regulating actuator |
| CN110344946A (en) * | 2019-06-19 | 2019-10-18 | 盐城赛福汽车零部件有限公司 | A kind of diesel engine digital intelligent electronic speed regulator |
| CN110397506A (en) * | 2019-06-19 | 2019-11-01 | 盐城赛福汽车零部件有限公司 | A kind of executive device for diesel engine digital electronic governor |
| CN110344946B (en) * | 2019-06-19 | 2021-11-26 | 深圳市勤实电力科技有限公司 | Digital intelligent electronic speed regulator for diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20130605 |
|
| RGAV | Abandon patent right to avoid regrant |