CN105347277B - A kind of large size liquid-propellant rocket engine complete machine turnover device - Google Patents
A kind of large size liquid-propellant rocket engine complete machine turnover device Download PDFInfo
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- CN105347277B CN105347277B CN201510818306.2A CN201510818306A CN105347277B CN 105347277 B CN105347277 B CN 105347277B CN 201510818306 A CN201510818306 A CN 201510818306A CN 105347277 B CN105347277 B CN 105347277B
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- chain
- flip
- arm
- wheel assembly
- hanging beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention provides a kind of large-scale liquid-propellant rocket engine complete machine turnover device, chain wheel assembly is installed at the main hanging beam both ends of single suspension centre respectively, and chain bypasses the sprocket wheel in chain wheel assembly, and the both ends of flip-arm are respectively fixedly connected in chain both ends；Motor is mounted on main hanging beam, and driving force drives output shaft by deceleration mechanism, and output shaft drives chain wheel assembly, chain rotation, and then drives the space angle variation of flip-arm；Engine is fixed on flip-arm, and Motor Mass Centre is located between two flip-arms.The present invention completes the overturning of engine complete machine in single suspension centre, and switching process is steady, controllable, and with auto-lock function, ensures engine health, and realize that polytypic is general.
Description
Technical field
The present invention relates to a kind of engine complete machines to overturn technological equipment.
Background technology
Liquid-propellant rocket engine is existing mostly to be assembled using vertical state, due to transporting, delivering and subsequently docking after the completion of assembling
Requirement, need to carry out complete machine turning operation to it, it made to be overturn by vertical state overturning for horizontality or by horizontality
For vertical state.It according to workshop condition, needs to design a kind of engine complete machine turnover device, can complete to send out in single suspension centre
Overturning in the range of 0~90 ° of motivation complete machine.The turnover device to take corresponding measure ensure engine switching process it is steady, can
Control has auto-lock function, ensures engine health, and can be applied to the overturning of polytypic engine complete machine.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of large-scale liquid-propellant rocket engine complete machine turnover device,
The overturning in the range of 0~90 ° of engine complete machine is completed in single suspension centre, switching process is steady, controllable, and with self-locking work(
Can, ensure engine health, and realize that polytypic is general.
The technical solution adopted by the present invention to solve the technical problems is：Including main hanging beam, motor, deceleration mechanism, output
Axis, chain wheel assembly, chain and flip-arm.
The middle part of the main hanging beam is single suspension centre, and chain wheel assembly is installed at both ends respectively, and chain is bypassed in chain wheel assembly
The both ends of flip-arm are respectively fixedly connected in sprocket wheel, chain both ends；Motor is mounted on main hanging beam, and driving force is driven defeated by deceleration mechanism
Shaft, output shaft drive chain wheel assembly, chain rotation, and then drive the space angle variation of flip-arm；Engine, which is fixed on, to be turned over
On pivoted arm, and Motor Mass Centre is located between two flip-arms.
The deceleration mechanism can only reach output shaft using turbine, worm-drive mode, driving moment by motor, otherwise from
Lock.
The chain is connect with sprocket wheel by card slot so that the chain individually stress positioned at sprocket wheel both sides, it is ensured that
Engine can be located in any angle in switching process.
The chain wheel assembly is connect with threads of lead screw, can be driven the main hanging beam movement of lower edge in leading screw, be changed in main hanging beam
On position.
The both ends setting auricle of the flip-arm, auricle are connected with flip-arm by axis pin, and auricle is hinged with chain.
The beneficial effects of the invention are as follows：Power needed for overturning is provided using device itself institute translator, in single suspension centre feelings
Engine self-turnover is realized under condition, easy to operate, process is steady, and exchange device is small, convenient for transition and transport.It is sending out
In motivation switching process, reversal rate is controllable, and barycenter is adaptive, has auto-lock function, ensures engine health.Pass through adjusting
Position of two chain wheel assemblies on output shaft, changes between two chain wheel assemblies or its whole opposite distance with main hanging beam suspension centre,
Different model Motor Mass Centre state is adapted to, use scope is wide, versatile..
Description of the drawings
Fig. 1 is motor and deceleration mechanism connection diagram；
Fig. 2 is deceleration mechanism multi-stage speed-reducing schematic diagram；
Fig. 3 is deceleration mechanism turbine and worm slowing-down structure schematic diagram；
Fig. 4 is connected with exporting axis schematic diagram for deceleration mechanism；
Fig. 5 is chain wheel assembly and output shaft, chain and leading screw connection diagram；
Fig. 6 is flip-arm and engine connection diagram；
Fig. 7 is that turnover device lifts by crane schematic diagram, wherein, (a) lifts by crane schematic diagram, the left view of (b) for (a), (c) to be vertical
For schematic diagram after overturning level；
Fig. 8 is hand wheel component and leading screw connection diagram；
Fig. 9 is schematic structural view of the invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the present invention includes but are not limited to following implementations
Example.
The present invention has the features such as reversal rate is controllable, and barycenter is adaptive, easy to operate, and process is steady, versatile, can
For polytypic large size liquid-propellant rocket engine complete machine switching process.
As shown in figure 9, the engine complete machine turnover device of the present invention is by main hanging beam 1, motor 2, deceleration mechanism 3, output shaft
4th, chain wheel assembly 5, chain 6, flip-arm 7, hand wheel component 8, leading screw 9 form.Main hanging beam 1 is single suspension centre, and branch is provided for overturning
Point starts 2 output driving power of motor, by the multi-stage speed-reducing of deceleration mechanism 3, reach engine overturning needed for Reasonable Speed, make
Switching process is steady, controllable.3 inside of deceleration mechanism is had the characteristics that unidirectional delivery, is driven using turbine, worm-drive mode
Torque can only reach output shaft 4 by motor 2, otherwise self-locking, avoid causing reverse flip due to 2 catastrophic failure of motor, improve
The safety that device uses.Driving force is exported by deceleration mechanism 3 to the chain wheel assembly 5 on output shaft 4, and chain 6 is driven to rotate.
Chain 6 is divided into two by chain wheel assembly 5, two chains individually stress so that engine is appointed in 0~90 ° of switching process
Meaning angle can position.The rotation of chain 6 drives the variation of 7 space angle of flip-arm, and flip-arm 7 drives engine to realize 0~90 °
Overturning.6 both ends of chain are hinged with flip-arm 7 for axis pin, in switching process, 6 angle of chain can with Motor Mass Centre change with
When adaptively adjust so that Motor Mass Centre in the Delta Region that chain 6 and flip-arm 7 form, ensures engine always
Switching process safety.The hinge arrangement that auricle is set to be connected with axis pin on flip-arm 7, makes engine switching process, with
6 angle change of chain, auricle rotate with, automatic adjustment, reduce due to the shearing moment that Impact direction changes and generates, increase
Switching process safety.
By position of two chain wheel assemblies 5 of adjusting on output shaft 4, between two chain wheel assemblies 5 of change or it is whole opposite
With the distance of main 1 suspension centre of hanging beam, different model Motor Mass Centre state is adapted to, prevents engine switching process from beat occur.
As shown in Figure 1, motor 2 is the dynamical element of the present apparatus, when work, provides power needed for overturning, according to engine weight
Amount, barycenter distribution and power needed for the calculating of device transmission efficiency.Motor 2 uses 380V commercial power as power source, by changing
Becoming current direction in circuit inverts motor 2, to reach overturning level and the vertical requirement of overturning.Motor 2 passes through with deceleration mechanism 3
Screw thread, key connection, and corresponding bearing is set at rotating contact position, friction is reduced, improves transmission efficiency.
As shown in Figure 2,3, 4, required speed, speed reducer are overturn in order to which motor output speeds are down to engine complete machine
Structure 3 is equipped with three-level and slows down altogether, wherein preceding two-stage is slowed down for turbine and worm, the control to transmission direction is realized in turbine and worm transmission,
Worm screw 10 connect as driving link with motor 2, and the output torque of motor 2 is made to pass through turbine 11 and is smoothly transferred to output shaft 4, on the contrary
It can not then transmit.Even if motor 2 is stopped, device self-locking immediately, rotary movement stops in current location.Afterbody slows down
For The gear deceleration, purpose realizes deceleration under the premise of rotation direction is not changed.According to turnover device load force and transmission effect at different levels
Rate calculates 3 each accessory size of deceleration mechanism.
As shown in figure 4, output shaft 4 is set with 3 end of deceleration mechanism by screw thread, key connection, and at rotating contact position
Corresponding bearing reduces friction, improves transmission efficiency.Output shaft material selection stiffness steel, sets with optimization design and equal strength
Meter method calculates output shaft and is checked determining 4 diameter of output shaft and required key size.
As shown in figure 5, chain wheel assembly 5 is connect by notch with main hanging beam 1, it is fixed by helicitic texture, it is main
Bear the gravity of engine in switching process, flip-arm 7, chain 6 etc..Chain wheel assembly 5 is connected by bond structure and output shaft 4
It connects, bears the torsional moment in switching process.Chain wheel assembly 5 is connect by screw thread with 9 single thread of leading screw, to adjust chain wheel assembly
5 positions provide power.Chain 6 is connect with chain wheel assembly 5 by card slot so that the chain 6 positioned at 5 both sides of chain wheel assembly can be distinguished
Independent stress, the stability in intensifier switching process.
As shown in Figure 6,7, flip-arm 7 is with engine by screw thread, key connection, and 7 length of flip-arm is according to engine weight
And centroid position determines, Motor Mass Centre is made to be located within flip-arm 7.The rotation of chain 6 drives 7 space angle of flip-arm to become
Change so that engine completes complete machine turn over function.To reduce the shearing moment generated due to Impact direction change, in flip-arm
The hinge arrangement that auricle is set to be connected with axis pin on 7, makes engine switching process, with 6 angle change of chain, auricle revolves therewith
Turn, automatic adjustment makes stress more science in 7 switching process of flip-arm, increases switching process safety.
It is general for turnover device is made to adapt to polytypic engine as shown in Fig. 4,5,8, by 9 structure of leading screw by two sprocket wheels
Component 5 is set as Independent adjustable structure.Leading screw 9 is connect by screw thread with main hanging beam 1, is hung in use, unclamping chain wheel assembly 5 with master
The threaded connection of beam 1, rotation hand wheel component 8 and threads of lead screw, key connection.Rotation hand wheel component 8, leading screw 9 rotate, band movable sprocket
Component 5 is slided along output shaft 4.After movement in place, reconnect chain wheel assembly 5 and the screw thread of main hanging beam 1 is fixed.Pass through
It adjusts position of two chain wheel assemblies 5 on output shaft 4, changes between two chain wheel assemblies 5 or it is whole opposite with main 1 suspension centre of hanging beam
Distance, adapt to different model Motor Mass Centre state, prevent engine switching process from beat occur.
Claims (4)
1. a kind of large size liquid-propellant rocket engine complete machine turnover device, including main hanging beam, motor, deceleration mechanism, output shaft, sprocket wheel
Component, chain and flip-arm, it is characterised in that：The middle part of the main hanging beam is single suspension centre, and chain wheel assembly is installed at both ends respectively,
Chain bypasses the sprocket wheel in chain wheel assembly, and the both ends of flip-arm are respectively fixedly connected in chain both ends；Motor is mounted on main hanging beam, driving
Power drives output shaft by deceleration mechanism, and output shaft drives chain wheel assembly, chain rotation, and then drives the space angle of flip-arm
Variation；Engine is fixed on flip-arm, and Motor Mass Centre is located between two flip-arms；By adjusting chain wheel assembly defeated
Position on shaft, changes between chain wheel assembly or its whole opposite distance with main hanging beam suspension centre, adapts to different model and starts
Machine barycenter state；The both ends setting auricle of the flip-arm, auricle are connected with flip-arm by axis pin, and auricle is hinged with chain；
The shearing moment that Impact direction changes and generates is reduced, makes engine switching process, with chain angle change, auricle revolves therewith
Turn, automatic adjustment.
2. large size liquid-propellant rocket engine complete machine turnover device according to claim 1, it is characterised in that：The speed reducer
Structure can only reach output shaft using turbine, worm-drive mode, driving moment by motor, otherwise self-locking.
3. large size liquid-propellant rocket engine complete machine turnover device according to claim 1, it is characterised in that：The chain
It is connect with sprocket wheel by card slot so that the chain individually stress positioned at sprocket wheel both sides, it is ensured that engine is in switching process
Any angle can be located in.
4. large size liquid-propellant rocket engine complete machine turnover device according to claim 1, it is characterised in that：The sprocket wheel
Component is connect with threads of lead screw, can be driven the main hanging beam movement of lower edge in leading screw, be changed the position on main hanging beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510818306.2A CN105347277B (en) | 2015-11-23 | 2015-11-23 | A kind of large size liquid-propellant rocket engine complete machine turnover device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510818306.2A CN105347277B (en) | 2015-11-23 | 2015-11-23 | A kind of large size liquid-propellant rocket engine complete machine turnover device |
Publications (2)
| Publication Number | Publication Date |
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| CN105347277A CN105347277A (en) | 2016-02-24 |
| CN105347277B true CN105347277B (en) | 2018-06-29 |
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| CN201510818306.2A Active CN105347277B (en) | 2015-11-23 | 2015-11-23 | A kind of large size liquid-propellant rocket engine complete machine turnover device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668402B (en) * | 2016-03-31 | 2017-10-31 | 北京航天发射技术研究所 | A kind of large-tonnage single-beam horizontal sling lifted for rocket body |
| CN110955266A (en) * | 2018-12-20 | 2020-04-03 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Automatic centering control method for lifting point of rocket lifting vehicle |
| CN110844762A (en) * | 2019-09-23 | 2020-02-28 | 贵州航天天马机电科技有限公司 | Large-tonnage commercial rocket integral hoisting sling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03192092A (en) * | 1989-12-21 | 1991-08-21 | Japan Steel Works Ltd:The | Transporting device |
| JP2004238091A (en) * | 2003-02-03 | 2004-08-26 | Motoda Giken Kk | Arm balance mechanism of two-joint arm device |
| CN2900452Y (en) * | 2006-05-08 | 2007-05-16 | 常州市海泰热工设备有限公司 | Electric turnover machine |
| CN201427834Y (en) * | 2009-07-08 | 2010-03-24 | 中铁一局集团有限公司 | Sleeper turning hanger |
| CN104310196B (en) * | 2014-09-17 | 2016-07-13 | 东方电气(广州)重型机器有限公司 | A kind of large-scale hanging beam of suspension type |
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