CN108657419A - A kind of high load compact electric steering engine transmission mechanism - Google Patents
A kind of high load compact electric steering engine transmission mechanism Download PDFInfo
- Publication number
- CN108657419A CN108657419A CN201710207230.9A CN201710207230A CN108657419A CN 108657419 A CN108657419 A CN 108657419A CN 201710207230 A CN201710207230 A CN 201710207230A CN 108657419 A CN108657419 A CN 108657419A
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- Prior art keywords
- screw
- ball
- bearing
- socket
- gear
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
- B64C13/26—Transmitting means without power amplification or where power amplification is irrelevant
- B64C13/28—Transmitting means without power amplification or where power amplification is irrelevant mechanical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
- B64C13/26—Transmitting means without power amplification or where power amplification is irrelevant
- B64C13/28—Transmitting means without power amplification or where power amplification is irrelevant mechanical
- B64C13/34—Transmitting means without power amplification or where power amplification is irrelevant mechanical using toothed gearing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to electromechanical actuator technical fields, and in particular to a kind of high load compact electric steering engine transmission mechanism.Specifically it is made of shell, servo motor, motor gear, idle pulley, ball-screw, screw gear, connecting rod, output shaft, idler bearing, leading screw bearing, feed screw nut and ut socket.The existing electric steering engine transmission mechanism of what the present invention solved can not take into account high-speed small-size aircraft size and require and the technical issues of load capacity requires, using ball-screw as steering engine main transmission part, each parts spatial position is rationally distributed, it is compact-sized, volume size is smaller, and has higher load capacity.
Description
Technical field
The invention belongs to electromechanical actuator technical fields, and in particular to a kind of high load compact electric steering engine driver
Structure.
Background technology
Electromechanical actuator because its good manufacturability, it is easily controllable the advantages that, be widely used in carrier rocket, high-speed aircraft,
The control fields such as satellite become the main executing agency such as rocket thrust vector controlled, aircraft aerofoil.
Existing high-speed small-size aircraft is in order to ensure that its performance, axial dimension become smaller so that each equipment on aircraft
Installation space also becomes smaller.In order to adapt to installation space, under the premise of not reducing load capacity, steering engine need to be fully compressed in width
The size of direction size and length direction provides free space for other equipment on aircraft.And existing electric steering engine transmission
Mechanism can not take into account the requirement of own vol size and load capacity.
Invention content
The technical problem to be solved in the invention is：Existing electric steering engine transmission mechanism can not take into account high-speed small-size and fly
Row device size requires and load capacity requirement.
It is described that technical scheme is as follows：
A kind of high load compact electric steering engine transmission mechanism, including：Shell, servo motor, motor gear, idle pulley, rolling
Ballscrew, screw gear, connecting rod, output shaft, idler bearing, leading screw bearing, feed screw nut and ut socket；Wherein, the shell
Body is used to form support and protection to other component mounted therein；
The servo motor is fixedly installed in enclosure interior, and servo motor has shaft, turns the tip of the axis and be equipped with motor
Gear, shaft can drive motor gear to rotate synchronously；
A pair of idler bearing is set on one end of servo motor installation motor gear, is pacified in a pair of of idler bearing
Equipped with the idle pulley, a pair of idler bearing, which forms the idle pulley, to be supported；
The idle pulley is engaged with motor gear, and idle pulley can rotate synchronously under the drive of motor gear；
One end of the ball-screw is fixedly installed screw gear, and the screw gear is engaged with idle pulley, screw gear
It can be rotated under the drive of idle pulley, and then drive ball screw turns；Outer spiral shell is set on the outer surface of the ball-screw
Line；
A pair of leading screw bearing is set on ball-screw, can be formed and be supported to one end of ball-screw；
The feed screw nut is set on ball-screw, and the inner surface of feed screw nut is provided with internal thread, the interior spiral shell
Line and the external screw thread on ball-screw surface match；
It is provided with key on the outer surface of the feed screw nut, the corresponding position in the shell is provided with sliding slot,
The key mapping of feed screw nut outer surface is within sliding slot；The sliding slot is arranged along the axial direction of ball-screw so that ball-screw and silk
When thick stick nut produces relative rotation, under the collective effect of key and sliding slot, feed screw nut slidably reciprocates along the axial direction of ball-screw；
The ut socket is cylindrical shape, and one end is fixedly connected with feed screw nut；The ball-screw stretches into nut set
It in cylinder, and can in an axial direction slidably reciprocate in ut socket, the ut socket forms the support to ball-screw；
The other end of the ut socket is articulated to one end of connecting rod, and the other end of the connecting rod is articulated to defeated
Shaft；The axial linear movement of the ut socket can be converted into the output shaft around itself axial direction by connecting rod and output shaft
Rotation.
Preferably, the bearing inner race of the leading screw bearing is fixedly installed on ball-screw, outside the bearing of leading screw bearing
Circle is fixedly installed on shell.
Preferably, the both ends of the connecting rod are attached via a hinge to ut socket and output shaft respectively.
Beneficial effects of the present invention are：
The high load compact electric steering engine transmission mechanism of the present invention, using ball-screw as steering engine main transmission part, respectively
Parts spatial position is rationally distributed, compact-sized, and volume size is smaller, and has higher load capacity.
Description of the drawings
Fig. 1 is the transmission mechanism structural schematic diagram of the present invention；
Wherein, 1- servo motors, 2- motor gears, 3- idle pulleys, 4- ball-screws, 5- screw gears, 6- connecting rods, 7- outputs
Axis, 8- idler bearings, 9- leading screw bearings, 10- feed screw nuts, 11- ut sockets.
Specific implementation mode
The high load compact electric steering engine transmission mechanism of the present invention is carried out specifically with reference to the accompanying drawings and examples
It is bright.
As shown in Figure 1, the high load compact electric steering engine transmission mechanism of the present invention includes shell, shell is used for installation
The other component in portion forms support and protection in the inner.
Servo motor 1 is fixedly installed in enclosure interior, and servo motor 1 has shaft, turns the tip of the axis and be equipped with motor tooth
Wheel 2, shaft can drive motor gear 2 to rotate synchronously.
On the one end for installing motor gear 2 on servo motor 1, it is additionally provided with 8 a pair of idler bearing, in a pair of of idler shaft
It holds and idle pulley 3 is installed on 8, a pair of of idler bearing 8 forms idle pulley 3 and supports.
Idle pulley 3 is engaged with motor gear 2, and idle pulley 3 can rotate synchronously under the drive of motor gear 2.
The transmission mechanism of the present invention further includes ball-screw 4, and one end of ball-screw 4 is fixedly installed screw gear 5, silk
Thick stick gear 5 is engaged with idle pulley 3, and screw gear 5 can rotate under the drive of idle pulley 3, and then ball-screw 4 is driven to rotate.
External screw thread is set on the outer surface of ball-screw 4.
It is a pair of that leading screw bearing 9 is additionally provided on ball-screw 4, the bearing inner race of leading screw bearing 9 is fixedly installed in ball
On leading screw 4, the bearing outer ring of leading screw bearing 9 is fixedly installed on shell, and leading screw bearing 9 can be to the one of ball-screw 4
End forms support.
Feed screw nut 10 is additionally provided on ball-screw 4, the inner surface of feed screw nut 10 is provided with internal thread, internal thread
Match with the external screw thread on 4 surface of ball-screw.It is provided with key on the outer surface of feed screw nut 10, the corresponding positions in shell
The place of setting is provided with sliding slot, and the key mapping of 10 outer surface of feed screw nut is within sliding slot.Sliding slot makes along the axial direction setting of ball-screw 4
Ball-screw 4 and feed screw nut 10 when producing relative rotation, under the collective effect of key and sliding slot, feed screw nut 10 is along ball
The axial direction of leading screw 4 slidably reciprocates.
The transmission mechanism of the present invention further includes ut socket 11, and ut socket 11 is cylindrical shape, one end and feed screw nut
10 are fixedly connected.Ball-screw 4 stretches into ut socket 11, and can in an axial direction slidably reciprocate in ut socket 11, nut
Sleeve 11 forms the support to ball-screw 4.
It is also attached via a hinge to one end of connecting rod 6 in the other end of ut socket 11, the other end of connecting rod 6 passes through hinge
It is connected to output shaft 7.The axial linear movement of ut socket 11 can be converted into output shaft 7 around itself by connecting rod 6 and output shaft 7
Axial rotation.
At work, the shaft rotation of servo motor 1 drives the high load compact electric steering engine transmission mechanism of the present invention
Motor gear 2 rotates, and is also rotated synchronously in the transmission lower leading screw gear 5 of idle pulley 3, and then ball-screw 4 is driven to rotate, in leading screw
On 10 outer surface of nut under the collective effect of key and shell upper hopper chute, feed screw nut 10 slides axially along ball-screw 4, in turn
It drives ut socket 11 to move along its axis, and push-pull effort is generated to connecting rod 6, it is final to drive output shaft 7 around itself axial rotation.
Claims (3)
1. a kind of high load compact electric steering engine transmission mechanism, including：Shell, servo motor (1), motor gear (2), idle pulley
(3), ball-screw (4), screw gear (5), connecting rod (6), output shaft (7), idler bearing (8), leading screw bearing (9), leading screw spiral shell
Female (10) and ut socket (11)；It is characterized in that：
The shell is used to form support and protection to other component mounted therein；
The servo motor (1) is fixedly installed in enclosure interior, and servo motor (1) has shaft, turns the tip of the axis and be equipped with electricity
Machine gear (2), shaft can drive motor gear (2) to rotate synchronously；
A pair of idler bearing (8) is set on one end of servo motor (1) installation motor gear (2), in a pair of of idler shaft
It holds and the idle pulley (3) is installed on (8), a pair of idler bearing (8), which forms the idle pulley (3), to be supported；
The idle pulley (3) is engaged with motor gear (2), and idle pulley (3) can rotate synchronously under the drive of motor gear (2)；
One end of the ball-screw (4) is fixedly installed screw gear (5), and the screw gear (5) is engaged with idle pulley (3),
Screw gear (5) can rotate under the drive of idle pulley (3), and then ball-screw (4) is driven to rotate；In the ball-screw
(4) external screw thread is set on outer surface；
A pair of leading screw bearing (9) is set on ball-screw (4), can be formed and be supported to one end of ball-screw (4)；
The feed screw nut (10) is set on ball-screw (4), and the inner surface of feed screw nut (10) is provided with internal thread, institute
It states internal thread and the external screw thread on ball-screw (4) surface matches；
It is provided with key on the outer surface of the feed screw nut (10), the corresponding position in the shell is provided with sliding slot,
The key mapping of feed screw nut (10) outer surface is within sliding slot；Axial direction setting of the sliding slot along ball-screw (4) so that ball wire
When thick stick (4) and feed screw nut (10) produce relative rotation, under the collective effect of key and sliding slot, feed screw nut (10) is along ball wire
The axial direction of thick stick (4) slidably reciprocates；
The ut socket (11) is cylindrical shape, and one end is fixedly connected with feed screw nut (10)；The ball-screw (4) is stretched into
It in ut socket (11), and can in an axial direction slidably reciprocate in ut socket (11), the ut socket (11) is formed to rolling
The support of ballscrew (4)；
The other end of the ut socket (11) is articulated to one end of connecting rod (6), and the other end activity of the connecting rod (6) connects
It is connected to output shaft (7)；The axial linear movement of the ut socket (11) can be converted into institute by connecting rod (6) and output shaft (7)
Output shaft (7) is stated around itself axial rotation.
2. high load compact electric steering engine transmission mechanism as described in claim 1, it is characterised in that：The leading screw bearing
(9) bearing inner race is fixedly installed on ball-screw (4), the bearing outer ring of leading screw bearing (9) be fixedly installed in shell it
On.
3. high load compact electric steering engine transmission mechanism as described in claim 1, it is characterised in that：The connecting rod (6)
Both ends are attached via a hinge to ut socket (11) and output shaft (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207230.9A CN108657419A (en) | 2017-03-31 | 2017-03-31 | A kind of high load compact electric steering engine transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207230.9A CN108657419A (en) | 2017-03-31 | 2017-03-31 | A kind of high load compact electric steering engine transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108657419A true CN108657419A (en) | 2018-10-16 |
Family
ID=63786966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710207230.9A Pending CN108657419A (en) | 2017-03-31 | 2017-03-31 | A kind of high load compact electric steering engine transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108657419A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254751A (en) * | 2019-07-05 | 2019-09-20 | 贵州航天控制技术有限公司 | A kind of long fork type rudder face driving mechanism |
| CN110455132A (en) * | 2019-08-30 | 2019-11-15 | 贵州航天控制技术有限公司 | A kind of small-sized integral type combination control mechanism |
| CN110979641A (en) * | 2019-11-28 | 2020-04-10 | 北京自动化控制设备研究所 | Rudder shaft supporting mechanism based on crossed roller bearing |
| CN112013725A (en) * | 2019-05-29 | 2020-12-01 | 北京自动化控制设备研究所 | High-overload miniaturized electric servo mechanism |
| CN114619367A (en) * | 2022-05-12 | 2022-06-14 | 海尼肯智能技术成都有限公司 | A axle mechanism that is used for combined material blade dead pixel staggered floor equipment of polishing |
| CN115632516A (en) * | 2022-12-01 | 2023-01-20 | 普达迪泰(成都)智造研究院有限公司 | High-precision servo linear driving device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748451A (en) * | 2012-07-15 | 2012-10-24 | 西北工业大学 | Turn-back type linear electromechanical actuator by utilizing tandem-type planet roller lead screw pair |
| CN202953172U (en) * | 2012-11-15 | 2013-05-29 | 北京自动化控制设备研究所 | Motor-driven steering engine |
| CN202955193U (en) * | 2012-11-13 | 2013-05-29 | 北京自动化控制设备研究所 | Swinging guide-bar type ball screw transmission mechanism |
| CN203871981U (en) * | 2014-05-14 | 2014-10-08 | 北京新兴东方航空装备股份有限公司 | Linear displacement type electric steering engine |
| CN205499339U (en) * | 2016-03-14 | 2016-08-24 | 北京自动化控制设备研究所 | Straight line electric steering engine |
-
2017
- 2017-03-31 CN CN201710207230.9A patent/CN108657419A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748451A (en) * | 2012-07-15 | 2012-10-24 | 西北工业大学 | Turn-back type linear electromechanical actuator by utilizing tandem-type planet roller lead screw pair |
| CN202955193U (en) * | 2012-11-13 | 2013-05-29 | 北京自动化控制设备研究所 | Swinging guide-bar type ball screw transmission mechanism |
| CN202953172U (en) * | 2012-11-15 | 2013-05-29 | 北京自动化控制设备研究所 | Motor-driven steering engine |
| CN203871981U (en) * | 2014-05-14 | 2014-10-08 | 北京新兴东方航空装备股份有限公司 | Linear displacement type electric steering engine |
| CN205499339U (en) * | 2016-03-14 | 2016-08-24 | 北京自动化控制设备研究所 | Straight line electric steering engine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013725A (en) * | 2019-05-29 | 2020-12-01 | 北京自动化控制设备研究所 | High-overload miniaturized electric servo mechanism |
| CN110254751A (en) * | 2019-07-05 | 2019-09-20 | 贵州航天控制技术有限公司 | A kind of long fork type rudder face driving mechanism |
| CN110455132A (en) * | 2019-08-30 | 2019-11-15 | 贵州航天控制技术有限公司 | A kind of small-sized integral type combination control mechanism |
| CN110979641A (en) * | 2019-11-28 | 2020-04-10 | 北京自动化控制设备研究所 | Rudder shaft supporting mechanism based on crossed roller bearing |
| CN110979641B (en) * | 2019-11-28 | 2021-02-05 | 北京自动化控制设备研究所 | Rudder shaft supporting mechanism based on crossed roller bearing |
| CN114619367A (en) * | 2022-05-12 | 2022-06-14 | 海尼肯智能技术成都有限公司 | A axle mechanism that is used for combined material blade dead pixel staggered floor equipment of polishing |
| CN115632516A (en) * | 2022-12-01 | 2023-01-20 | 普达迪泰(成都)智造研究院有限公司 | High-precision servo linear driving device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |