CN102840035A - Novel throttle actuator - Google Patents
Novel throttle actuator Download PDFInfo
- Publication number
- CN102840035A CN102840035A CN2012103543833A CN201210354383A CN102840035A CN 102840035 A CN102840035 A CN 102840035A CN 2012103543833 A CN2012103543833 A CN 2012103543833A CN 201210354383 A CN201210354383 A CN 201210354383A CN 102840035 A CN102840035 A CN 102840035A
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- main shaft
- ratchet
- pin
- lock pin
- lock
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Abstract
The invention relates to a novel throttle actuator which comprises a rack, a stepping motor (1) and a throttle adjusting main shaft (2), the novel throttle actuator is characterized in that the stepping motor (1) is connected with a screw rod (3) in a driving manner, the screw rod (3) is connected with a worm wheel (4) in a matched manner, and the worm wheel (4) is in coaxial clearance fit with a main shaft (2); the worm wheel (4) is coaxial fixedly connected with an annular ratchet wheel (5), and the inner surface of the ratchet wheel (5) is provided with a ratchet and a pawl (6) matched with the ratchet; a maintaining spring (7) is arranged between the pawl (6) and the main shaft (2), and the inner side of the pawl (6) is provided with a locking placing boss (8) and a deblocking groove (9) which are connected; and a locking pin (10) is arranged between the locking placing boss (8) and the main shaft (2), and the locking placing boss (8) is connected with a hand shank (11). The novel throttle actuator provided by the invention adopts a worm wheel screw rod driving manner, and can rapidly realize manual emergency stop of a combustion engine through a transmission structure of the on-off pawl; and the structure is simple, the size is small, the weight is light, the field installation debugging is simple, and the torque output is large.
Description
Technical field
The present invention relates to a kind of gas turbine throttle final controlling element, particularly relate to a kind of novel accelerator final controlling element.
Background technique
Gas turbine all will be used the control that throttle actuator is used for throttle, and existing throttle actuator adopts the kind of drive of worm and gear and planetary reducer, adopts the manual parking mode of abrasive disc clutch.Complex structure, the Installation and Debugging difficulty is big, and boundary dimension is big, and weight is big.
Summary of the invention
In order to address the above problem, the invention provides a kind of novel accelerator final controlling element.
The technological scheme that the present invention adopts is: a kind of novel accelerator final controlling element, comprise frame, stepper motor and throttle adjustment main shaft, and it is characterized in that step motor drive is connected with a worm screw, worm screw is connected with a worm gear, and worm gear and main shaft concentric gap are joined; The coaxial ring-type ratchet that is fixedly connected with of worm gear, the ratchet internal surface is provided with ratchet, cooperates with ratchet to be provided with ratchet, is provided with the maintenance spring between ratchet and main shaft, and the lock that the ratchet inboard is provided with is in succession put boss and release groove, and lock is put between boss and main shaft and is provided with lock pin; Be connected with handle on the main shaft.
Said handle is connected with main shaft through the axle sleeve with the gap of main reinforcement cooperation, and the axle sleeve internal surface is provided with groove; Lockpin ventilating is crossed the torsion assembly and is connected with main shaft; The spindle axis position is provided with axial bore; Groove and the lock pin position of main shaft in corresponding axle sleeve is respectively equipped with radial hole one and radial hole two, and this torsion assembly comprises that one is arranged on the lock pin in the axial bore, and the corresponding radial hole one in lock pin two ends is respectively equipped with pin-and-hole one and pin-and-hole two with radial hole two positions; Pin-and-hole one is provided with pin and passes radial hole one and the interior groove fit of axle sleeve, and pin-and-hole two is connected with lock pin; Be respectively equipped with in radial hole one and the radial hole two lock pin by lock put the boss rotation when moving to the release groove pin and lock pin rotate needed revolution space; Be connected with the torsion spring coaxial with it between lock pin and main shaft, the torsion direction is that the release groove is put the boss clockwise application of force to lock.
Said torsion spring is connected with main shaft through the torsion spring regulator; This torsion spring regulator one end is the torsion spring loop bar; Be connected with the lock pin axial limiting is rotatable, the other end is the adjustable side, and external end head has a regulation groove; Be connected with the circumferential stop of main shaft, torsion spring set two ends on the torsion spring loop bar are separately fixed at main shaft and adjustable side.
Said ratchet axial sides is provided with the end plate that is fixedly connected with main shaft, is respectively equipped with corresponding pin-and-hole on ratchet and the end plate, is provided with the arming pin that can extract in the insurance pin-and-hole.
Said ratchet axial sides is provided with the end plate that is fixedly connected with main shaft; Ratchet is circumferentially to extend to lock pin one side in the axle center with main shaft (2); The end that extends is provided with and the consistent cylindrical projection axle of main shaft (2) axial direction, and end plate respective protrusions axle is provided with axis hole, and snag axis is engaged in the axis hole.
Be connected through axle sleeve or bearing between said worm gear and main shaft, and through catch or boss axial limiting; Be connected with encoder on the main shaft.
Said worm screw is the bilateral symmetry structure, and an end is connected with step motor drive, and the other end is connected with the bar that manually is rotatably connected.
Said handle and lock pin are fixedly connected on the main shaft, and the lock pin termination is provided with shell fragment, and shell fragment and lock are put the boss pressure fitted.
Said main shaft is provided with tuning drive gear, and frame is provided with the handle limiting stopper.
Said lock pin puts with lock that the boss relative rotary motion contacts at first or disengaging place at last is the inclined-plane.
The present invention adopts the worm and gear driving mode, but the drive mechanism of the ratchet through clutch, but the manual emergency of Rapid Realization combustion machine stop, simple in structure, size is little, and is in light weight, on-the-spot Installation and Debugging are simple, output torque is big, operation precision is high.
Description of drawings
Fig. 1 is an embodiment of the invention worm drive structural representation;
Fig. 2 is an embodiment of the invention main shaft connection structure schematic representation;
Fig. 3 is an embodiment of the invention main shaft driving structure schematic representation;
Fig. 4 is an embodiment of the invention ratchet linkage structure schematic representation;
Fig. 5 is an embodiment of the invention torsion modular construction schematic representation.
Label title among the figure: 1 stepper motor; 2 main shafts; 3 worm screws; 4 worm gears; 5 ratchets; 6 ratchets; 7 keep spring; 8 locks are put boss; 9 release grooves; 10 lock pins; 11 handles; 12 axle sleeves; 13 lock pins; 14 pin-and-holes one; 15 pin-and-holes two; 16 pins; 17 torsion springs; 18 torsion spring loop bars; 19 adjustable sides; 20 end plates; 21 insurance pin-and-holes; 22 encoders; 23 bars that manually are rotatably connected; 24 handle limiting stoppers; 25 tuning drive gears; 26 snag axis.
Specific embodiment
The embodiment of the invention is shown in Fig. 1 to 5, and this novel accelerator final controlling element is provided with frame, stepper motor 1 and is used for the main shaft 2 of throttle adjustment, and stepper motor 1 drives and is connected with a worm screw 3; Worm screw 3 is the bilateral symmetry structure; Be easy to install, worm screw 3 one ends drive with stepper motor 1 and are connected, and the other end is connected with the bar 23 that manually is rotatably connected; Straight groove or interior hexagonal hole can be established in bar 23 outer ends that manually are rotatably connected, and when having a power failure, just can drive worm screw 3 with simple tool manual tune rotary worm 3 and rotate; Worm screw 3 is connected with a worm gear 4; Worm gear 4 cooperates with main shaft 2 concentric gap; The worm gear 4 coaxial ring-type ratchets 5 that are fixedly connected with, ratchet 5 internal surfaces are provided with ratchet, cooperate with ratchet to be provided with ratchet 6; 2 on ratchet 6 and main shaft are provided with and keep spring 7, and ratchet 6 is exerted pressure coincide together itself and ratchet; The lock that ratchet 6 inboards are provided with is in succession put boss 8 and release groove 9, and corresponding lock is put boss 8 and is provided with lock pin 10, and lock pin 10 is connected with main shaft 2 through the torsion assembly;
Main shaft 2 Spielpassung have axle sleeve 12, and axle sleeve 12 is connected with handle 11, and axle sleeve 12 internal surfaces are provided with groove; Main shaft 2 shaft core positions are provided with axial bore; Groove and lock pin 10 positions of main shaft 2 in corresponding axle sleeve 12 are respectively equipped with radial hole one and radial hole two; The torsion modular construction is following: comprise that one is arranged on the lock pin 13 in the axial bore; The corresponding radial hole one in lock pin 13 two ends is respectively equipped with pin-and-hole 1 and pin-and-hole 2 15 with radial hole two positions; Pin-and-hole 1 is provided with pin 16 and passes the groove fit in radial hole one and the axle sleeve 12, and pin-and-hole 2 15 is connected with lock pin 10, be respectively equipped with in radial hole one and the radial hole two lock pin 10 by lock put boss 8 rotations when moving to release groove 9 pin 16 and lock pin 10 rotate needed revolution space; Lock pin 13 1 ends are connected with the torsion spring regulator, and this torsion spring regulator one end is a torsion spring loop bar 18, are connected through circular radial pin axial limiting with lock pin 13, and lock pin 13 is rotatable relatively; This torsion spring regulator the other end is adjustable side 19, and external end head has a regulation groove, is connected through the circumferential stop of the radial screw on the main shaft with main shaft 2; Be with torsion spring 17 on the torsion spring loop bar 18; The two ends of torsion spring 17 are separately fixed at main shaft 2 and adjustable side 19, adjustable side 19 are fixed to suitable torsion through a regulation groove turn-knob adjustable side 19 during installation, and it can not be rotated in a circumferential direction; And then lock pin 10 is applied a state keep torsion; The torsion direction is that release groove 9 is put the boss 8 clockwise application of forces to lock, makes lock pin 10 terminations and lock put boss 8 under the normality and is combined together, and makes ratchet 6 and ratchet can not break away from identical state.
Be connected with encoder 22 in addition on the main shaft 2 and be used for signal feed back; Frame is provided with handle limiting stopper 24 and is used for handle 11 stroke limits; Main shaft 2 is provided with tuning drive gear 25; Stepper motor 1 drives worm screw 3 and drives worm gears 4 and ratchet 5 rotations during use, and lock pin 10 terminations and lock are put boss 8 and be combined together under the effect of torsion assembly, make ratchet 6 and ratchet can not break away from identical state; And then drive the adjusting that main shaft rotates the realization throttle synchronously, and the control action position signal is fed back to control unit through encoder 22; When the needs emergency shutdown, pull handle 11; At this moment; Worm gear 4, worm screw 3 reversing drive self-lockings overcome torsion spring 17 and keep the resistance of spring 7 through the groove in the axle sleeve 12, pin 16, lock pins 13, drive lock pin 10 and put boss 8 by lock and rotate to release groove 9; Lock pin 10 terminations are in vacant state facing to release groove 9; The hard limit that releasing coincide to ratchet 6 and ratchet, pin this moment 16 with the stroke end of lock pin 10 in radial hole one and radial hole two, continue to pull handle and will drive main shaft 2 and rotate synchronously; Continue to pull handle 11 and keep spring 7 distortion; Ratchet 6 overcomes between the pressure that keeps spring 7 and ratchet and produces concussion relatively and rotation; Removed the flexibility restriction that keeps 7 pairs of ratchets of spring 6 and ratchet to coincide, realized separating between ratchet 6 and ratchet, main shaft 2 rotates with handle synchronously; To handle limiting stopper 24 places, main shaft 2 servo-actuateds are thoroughly closed throttle with handle wrench.But the manual emergency of present embodiment novel accelerator final controlling element Rapid Realization combustion machine stops, and simple in structure, size is little, and is in light weight, and on-the-spot Installation and Debugging are simple, and output torque is big, and operation precision is high.
It is as shown in Figure 3 when the present invention implements; Be respectively equipped with corresponding insurance pin-and-hole 21 on the end plate 20 that also can be fixedly connected with main shaft 2 in ratchet 5 axial sides settings, ratchet 6 and end plate 20, be provided with the arming pin that to extract in the insurance pin-and-hole; Make ratchet 6 and ratchet can not break away from identical state; Constitute dual spacing to ratchet 6 with lock pin 10, can play preventing lock pin 10 misoperations under the normality, pull up arming pin during emergency shutdown and pull handle and get final product; As shown in Figure 4; Ratchet 6 can be circumferentially to extend to lock pin 10 1 sides in the axle center with main shaft 2, and the end that extends is provided with the cylindrical projection axle 26 consistent with main shaft 2 axial directions, and end plate 20 respective protrusions axles are provided with axis hole; Snag axis 26 is engaged in the axis hole, strengthens the stability of ratchet; In order to improve the stability of worm gear 4, can axle sleeve or bearing be set at worm gear 4 and 2 on main shaft, and worm gear 4 be carried out axial limiting through catch or boss; Can also simpler and easy omission torsion assembly during enforcement; Handle 11 is fixedly connected on the main shaft 2 with lock pin 10; Lock pin 10 terminations are provided with shell fragment; Shell fragment and lock are put boss 8 pressure fitted, and shell fragment puts with lock that boss 8 relative rotary motion contact at first or the position that breaks away from last is the inclined-plane, and convenient lock is put Shi Yusuo and put boss 8 and be combined together.
Claims (10)
1. novel accelerator final controlling element; Comprise frame, stepper motor (1) and throttle adjustment main shaft (2); It is characterized in that stepper motor (1) driving is connected with a worm screw (3), worm screw (3) is connected with a worm gear (4), and worm gear (4) cooperates with main shaft (2) concentric gap; The coaxial ring-type ratchet (5) that is fixedly connected with of worm gear (4); Ratchet (5) internal surface is provided with ratchet; Cooperate with ratchet and to be provided with ratchet (6); Be provided with maintenance spring (7) between ratchet (6) and main shaft (2), the lock that ratchet (6) inboard is provided with is in succession put boss (8) and release groove (9), and lock is put between boss (8) and main shaft (2) and is provided with lock pin (10); Be connected with handle (11) on the main shaft (2).
2. novel accelerator final controlling element according to claim 1 is characterized in that said handle (11) through being connected with main shaft (2) with the axle sleeve (12) of main shaft (2) Spielpassung, and axle sleeve (12) internal surface is provided with groove; Lock pin (10) is connected with main shaft (2) through the torsion assembly; Main shaft (2) shaft core position is provided with axial bore; Groove and lock pin (10) position of main shaft (2) in corresponding axle sleeve (12) is respectively equipped with radial hole one and radial hole two; This torsion assembly comprises that one is arranged on the lock pin (13) in the axial bore; The corresponding radial hole one in lock pin (13) two ends is respectively equipped with pin-and-hole one (14) and pin-and-hole two (15) with radial hole two positions, and pin-and-hole one (14) is provided with pin (16) and passes radial hole one and the interior groove fit of axle sleeve (12), and pin-and-hole two (15) is connected with lock pin (10); Be respectively equipped with in radial hole one and the radial hole two lock pin (10) by lock put boss (8) rotation when moving to release groove (9) pin (16) and lock pin (10) rotate needed revolution space; Be connected with the torsion spring coaxial with it (17) between lock pin (13) and main shaft (2), the torsion direction is that release groove (9) is put boss (8) the clockwise application of force to lock.
3. novel accelerator final controlling element according to claim 2; It is characterized in that said torsion spring (17) is connected with main shaft (2) through the torsion spring regulator, this torsion spring regulator one end is torsion spring loop bar (18), with lock pin (13) the rotatable connection of axial limiting; The other end is adjustable side (19); External end head has a regulation groove, is connected with the circumferential stop of main shaft (2), and torsion spring (17) is enclosed within torsion spring loop bar (18) and upward is separately fixed at main shaft (2) and adjustable side (19) in two ends.
4. according to the arbitrary described novel accelerator final controlling element of claim 1 to 3; It is characterized in that said ratchet (5) axial sides is provided with the end plate (20) that is fixedly connected with main shaft (2); Be respectively equipped with corresponding insurance pin-and-hole (21) on ratchet (6) and the end plate (20), be provided with the arming pin that to extract in the insurance pin-and-hole.
5. according to the arbitrary described novel accelerator final controlling element of claim 1 to 3; It is characterized in that said ratchet (5) axial sides is provided with the end plate (20) that is fixedly connected with main shaft (2); Ratchet (6) is circumferentially to extend to lock pin (10) one sides in the axle center with main shaft (2); The end that extends is provided with the cylindrical projection axle (26) consistent with main shaft (2) axial direction, and end plate (20) respective protrusions axle is provided with axis hole, and snag axis (26) is engaged in the axis hole.
6. according to the arbitrary described novel accelerator final controlling element of claim 1 to 3, it is characterized in that being connected through axle sleeve or bearing between said worm gear (4) and main shaft (2), and through catch or boss axial limiting; Be connected with encoder (22) on the main shaft (2).
7. according to the arbitrary described novel accelerator final controlling element of claim 1 to 3, it is characterized in that said worm screw (3) is the bilateral symmetry structure, an end drives with stepper motor (1) and is connected, and the other end is connected with the bar that manually is rotatably connected (23).
8. novel accelerator final controlling element according to claim 1 is characterized in that said handle (11) and lock pin (10) are fixedly connected on the main shaft (2), and lock pin (10) termination is provided with shell fragment, and shell fragment and lock are put boss (8) pressure fitted.
9. according to the arbitrary described novel accelerator final controlling element of claim 1 to 3, it is characterized in that said frame is provided with handle limiting stopper (24), main shaft (2) is provided with tuning drive gear (25).
10. according to the arbitrary described novel accelerator final controlling element of claim 1 to 3, it is characterized in that said lock pin (10) and lock put that boss (8) relative rotary motion contacts at first or disengaging place at last is the inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103543833A CN102840035A (en) | 2012-09-22 | 2012-09-22 | Novel throttle actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103543833A CN102840035A (en) | 2012-09-22 | 2012-09-22 | Novel throttle actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102840035A true CN102840035A (en) | 2012-12-26 |
Family
ID=47367713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103543833A Pending CN102840035A (en) | 2012-09-22 | 2012-09-22 | Novel throttle actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102840035A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287231A (en) * | 1999-06-30 | 2001-03-14 | 希尔蒂股份公司 | Clutch for drilling tool |
| JP2005248852A (en) * | 2004-03-04 | 2005-09-15 | Kubota Corp | Start spring supporting structure for governor |
| CN2892384Y (en) * | 2006-01-24 | 2007-04-25 | 史丹利七和国际股份有限公司 | Bidirectional ratchet spanner |
| CN200943531Y (en) * | 2006-09-07 | 2007-09-05 | 韩群山 | Intelligent control device for motorcycle throttle |
| CN201818372U (en) * | 2010-10-28 | 2011-05-04 | 河南科技大学 | Actuating mechanism of digital electron speed regulator |
| WO2011054807A1 (en) * | 2009-11-06 | 2011-05-12 | Hilti Aktiengesellschaft | Torque coupling |
| CN202768153U (en) * | 2012-09-22 | 2013-03-06 | 中国船舶重工集团公司第七�三研究所 | Novel accelerator executor |
-
2012
- 2012-09-22 CN CN2012103543833A patent/CN102840035A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287231A (en) * | 1999-06-30 | 2001-03-14 | 希尔蒂股份公司 | Clutch for drilling tool |
| JP2005248852A (en) * | 2004-03-04 | 2005-09-15 | Kubota Corp | Start spring supporting structure for governor |
| CN2892384Y (en) * | 2006-01-24 | 2007-04-25 | 史丹利七和国际股份有限公司 | Bidirectional ratchet spanner |
| CN200943531Y (en) * | 2006-09-07 | 2007-09-05 | 韩群山 | Intelligent control device for motorcycle throttle |
| WO2011054807A1 (en) * | 2009-11-06 | 2011-05-12 | Hilti Aktiengesellschaft | Torque coupling |
| CN201818372U (en) * | 2010-10-28 | 2011-05-04 | 河南科技大学 | Actuating mechanism of digital electron speed regulator |
| CN202768153U (en) * | 2012-09-22 | 2013-03-06 | 中国船舶重工集团公司第七�三研究所 | Novel accelerator executor |
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| 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: 20121226 |