CN104691776B - Permanent-magnet linear catapult-launching gear - Google Patents
Permanent-magnet linear catapult-launching gear Download PDFInfo
- Publication number
- CN104691776B CN104691776B CN201310648554.8A CN201310648554A CN104691776B CN 104691776 B CN104691776 B CN 104691776B CN 201310648554 A CN201310648554 A CN 201310648554A CN 104691776 B CN104691776 B CN 104691776B
- Authority
- CN
- China
- Prior art keywords
- permanent
- linear motor
- ejection
- catapult
- magnet
- 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.)
- Active
Links
Landscapes
- Linear Motors (AREA)
Abstract
The present invention provides a kind of permanent-magnet linear catapult-launching gear, including ejection platform device, permanent-magnetism linear motor and support platform for supporting ejection platform device and permanent-magnetism linear motor, the primary of permanent-magnetism linear motor is arranged in support platform, secondary is arranged on ejection platform device, support platform is provided with the ejection platform supporting plate of support ejection platform device, and ejection platform device can move on the length direction of ejection platform supporting plate relative to ejection platform supporting plate；The quantity of permanent-magnetism linear motor is two, respectively the first permanent-magnetism linear motor and the second permanent-magnetism linear motor, the primary of first permanent-magnetism linear motor and the primary of the second permanent-magnetism linear motor are symmetricly set on the both sides of support platform, and the secondary of the first permanent-magnetism linear motor and the secondary of the second permanent-magnetism linear motor are symmetricly set on the both sides of ejection platform device.It saves the longitudinal space of transmitting, improves the efficiency of permanent-magnet linear catapult-launching gear and the stability in emission process and security.
Description
Technical field
The present invention relates to a kind of electromagnetic launch device, more particularly to a kind of permanent-magnet linear driven using permanent-magnetism linear motor
Catapult-launching gear.
Background technology
The object that electromagnetic launch refers to be launched does not enable the power set of itself, and using electromagnetic force as acceleration means, lean on
The power that transmitter assigns obtains enough kinergeties and realizes a kind of radiation pattern of transmitting.With gunpowder promote etc. other hair
The mode of penetrating is compared, with the body of electromagnetism ejection launch not only speed faster, range it is farther, and rely on advanced power electronics device
Part, the process of Electromagnetic Launching can accomplish whole-process control.Due to using electric drive, by adjusting the size of electric current, electromagnetic launch
Device can not only launch small to several kilograms of light load, can arrive several tons of heavy load, such as aircraft, guided missile greatly with propelled at high velocity
Deng.Active service aircraft carrier ejection equipment be steam catapult, but it by emission system, vapour system, tow rope clamping system, lubrication and
Control system etc. forms, bulky and complicated.This causes it to there is the defects of some are inevitable from the beginning：(1)
Use cost is high, efficiency is low, auxiliary facility is more, system is loaded down with trivial details, requires high to links；(2) maintenance cost is high, and sealing strip is more
Change it is frequent and cumbersome, to material require it is higher；(3) a large amount of fresh water need to be consumed.As modern marine military affairs are wanted to fight capability
Raising is asked, there is an urgent need to study new ejection equipment to replace traditional steam catapult.
The electromagnetic launch used at present is largely line inductance electromotor, and it promotes the armature being connected with aircraft, in order to
Reach required thrust, often primary is made long, and in order to reach high speed electromagnetic ejection, primary pole span design compared with
Greatly, so not only need bigger space but also waste many copper so that whole ejection system is less efficient, and this is for sky
Between require that occasion that is very high or frequently launching is irrational selection.Additionally, due in operation if position sensor is placed
In primary, not only each pair is extremely lower will need one group of position sensor, and how the signal between every group of position sensor is cut
It is very difficult to change commanders, if the cost of catapult-launching gear will be significantly greatly increased using magnetic railings ruler or grating scale, and power supply
The problem of lead-out wire will be very big.Patent No. ZL201310005736.3 describes a kind of active magnetic electromagnetism ereisma, utilizes
Active magnetic support technology carrier-borne aircraft ejection platform, ejection platform is driven using high-power line inductance electromotor, although abandoning
Mechanical support, but huge suspension magnet and suspension control system are added, add the cost of whole ejection system, and
High speed situation is run on, control proposes higher requirement to suspending.
The content of the invention
In view of the present situation of prior art, it is an object of the invention to provide a kind of permanent-magnet linear catapult-launching gear, the letter of its structure
It is single, the longitudinal space of transmitting is saved, improves stability and security of the ejection platform device in emission process.For in realization
Purpose is stated, technical scheme is as follows：
A kind of permanent-magnet linear catapult-launching gear, including ejection platform device, permanent-magnetism linear motor and for supporting the ejection
The support platform of stage apparatus and permanent-magnetism linear motor, the ejection platform device are used to place projectile, the permanent-magnet linear
The primary of motor is arranged in the support platform, and the secondary of the permanent-magnetism linear motor is arranged on the ejection platform device
On, the support platform is provided with the ejection platform supporting plate for being used for supporting the ejection platform device, the ejection platform dress
Putting can move on the length direction of the ejection platform supporting plate relative to the ejection platform supporting plate；The permanent-magnet linear
The quantity of motor is two, respectively the first permanent-magnetism linear motor and the second permanent-magnetism linear motor, the first permanent-magnet linear electricity
Primary and second permanent-magnetism linear motor primary of machine is symmetricly set on the both sides of the support platform, first permanent magnetism
Secondary and second permanent-magnetism linear motor secondary of linear electric motors is symmetricly set on the both sides of the ejection platform device.
In one of the embodiments, the first level length of the permanent-magnetism linear motor is more than secondary length.
In one of the embodiments, the primary of the permanent-magnetism linear motor is modular primary, each primary module
It is made up of coil, primary iron core and primary iron core mounting bar；
The secondary of the permanent-magnetism linear motor is modular secondary, each secondary module by permanent magnet and magnetic conduction secondary
Iron core forms.
In one of the embodiments, described permanent-magnet linear catapult-launching gear also includes detection means；
The detection means includes being embedded in position sensor, the electricity of the position sensor of the ejection platform device
Source and the magnet steel in the ejection platform supporting plate, the position of the magnet steel installation are relative with the position sensor
Should.
In one of the embodiments, the pole span of the magnet steel is identical with the secondary pole span of the permanent-magnetism linear motor.
In one of the embodiments, the switch board of the position sensor and the permanent-magnet linear catapult-launching gear uses nothing
Line signal transmits.
In one of the embodiments, side roll, lower rollers and upper roller are set on the ejection platform device,
The side roll is in contact with the side of the ejection platform supporting plate, the lower rollers and the ejection platform supporting plate
Bottom surface be in contact, the upper roller is in contact with the top surface of the ejection platform supporting plate so that the ejection platform branch
Fagging is embedded in the ejection platform device.
In one of the embodiments, the rear and front end of the support platform is also respectively provided with buffer unit, described slow
Flushing device is made up of baffle plate and buffing pad.
In one of the embodiments, described permanent-magnet linear catapult-launching gear also includes being used to control the permanent-magnet linear electricity
The primary drive system of machine, the drive system use H bridge type of drive, and the quantity of the H bridges is one group or two groups, works as institute
Using intersection sectional power supply when the quantity for stating H bridges is two groups.
In one of the embodiments, the transmitting terminal of support platform described in described permanent-magnet linear catapult-launching gear is set active
The aviation socket of electric wire, the aviation socket are connected to the control of the permanent-magnet linear catapult-launching gear by the aviation plug to match therewith
On cabinet processed.
The beneficial effects of the invention are as follows：
The permanent-magnet linear catapult-launching gear of the present invention, it is simple in construction, projectile is entered simultaneously using two permanent-magnetism linear motors
Row promotes, and significantly improves and promotes space, saves the longitudinal space of transmitting, improves the efficiency of permanent-magnet linear catapult-launching gear,
Improve stability and security of the ejection platform device in emission process.The modularization of permanent-magnetism linear motor, it is greatly simple
The processing and installation technique of parts is changed；Position sensor is embedded in the bottom of ejection platform device, and and ejection platform
Magnet steel composition position detecting device in supporting plate, so only needs one group of position sensor accurately to detect ejection platform dress
The position put；The locus of secondary is detected using being wirelessly transferred, avoids active electric wire Layout Problem, so as to further carry
The positioning precision of height ejection stage apparatus, extends service life；Simultaneously the permanent-magnet linear catapult-launching gear it is compact-sized, without environment
Pollution.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the permanent-magnet linear electromagnetic launch device of the present invention；
Fig. 2 is the structural representation of Fig. 1 ejection platform device；
Fig. 3 is the structural representation of Fig. 1 ejection platform supporting plate；
Fig. 4 is the primary modular structure schematic diagram of Fig. 1 permanent-magnetism linear motor；
Fig. 5 represents the driving principle schematic diagram of permanent-magnet linear catapult-launching gear；
Fig. 6 represents the three-phase current drive signal schematic diagram of permanent-magnet linear catapult-launching gear；
Fig. 7 is the primary drive part by part schematic diagram of permanent-magnet linear catapult-launching gear.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples pair
The permanent-magnet linear catapult-launching gear of the present invention is further elaborated.It should be appreciated that specific embodiment described herein is only
For explaining the present invention, it is not intended to limit the present invention.
Referring to figs. 1 to Fig. 7, it is straight that the embodiment of permanent-magnet linear catapult-launching gear one of the invention includes ejection platform device 1, permanent magnetism
Line motor and the support platform 4 for supporting ejection platform device 1 and permanent-magnetism linear motor, ejection platform device 1 are used to place
Projectile 9, the primary 2,2 ' of permanent-magnetism linear motor are arranged in support platform 4, and the secondary 11,11 ' of permanent-magnetism linear motor is set
On ejection platform device 1, the length of the primary 2,2 ' of permanent-magnetism linear motor is more than the length of secondary 11,11 '；Permanent-magnet linear electricity
The quantity of machine is two, respectively the first permanent-magnetism linear motor and the second permanent-magnetism linear motor, the first permanent-magnetism linear motor and institute
State that the second permanent-magnetism linear motor is identical, the primary 2 ' of the permanent-magnetism linear motor of primary 2 and second of the first permanent-magnetism linear motor is symmetrical
It is arranged on the both sides of support platform 4；The secondary 11 ' of the permanent-magnetism linear motor of secondary 11 and second of first permanent-magnetism linear motor is symmetrical
It is arranged on the both sides of ejection platform device 1.
Preferably, the primary 2,2 ' of permanent-magnetism linear motor is modular primary, and each primary module is by coil 21, primary
Iron core 22 and primary iron core mounting bar 23 form；The secondary 11,11 ' of permanent-magnetism linear motor is also modular secondary, Mei Geci
Level module is made up of the secondary iron core 111,111 ' of permanent magnet 112,112 ' and magnetic conduction.The need launched according to ejection platform device 1
The quantity of primary module and secondary module can be adjusted.
Support platform 4 is provided with the ejection platform supporting plate 5 for being used for supporting ejection platform device 1, the energy of ejection platform device 1
It is enough to be moved on the length direction of ejection platform supporting plate 5 relative to ejection platform supporting plate 5, the primary 2,2 ' of permanent-magnetism linear motor
The both sides of ejection platform supporting plate 5 are placed in, the bottom of ejection platform supporting plate 5 is provided with support permanent-magnetism linear motor primary 2,2 '
Permanent-magnetism linear motor fixed plate 3, the rear and front end of support platform 4 is also respectively provided with buffer unit, and buffer unit is by baffle plate 6
And buffing pad 7 forms.The transmitting terminal of support platform 4 is provided with the aviation socket 8 of active electric wire, and the aviation socket passes through phase therewith
The aviation plug matched somebody with somebody is connected on the switch board of permanent-magnet linear catapult-launching gear.
Side roll 12, lower rollers 13 and upper roller 14, side roll 12 and ejection are set on ejection platform device 1
The side of platform support panel 5（B faces）It is in contact, lower rollers 13 and the bottom surface of ejection platform supporting plate 5（C faces）It is in contact, on
Portion's roller 14 and the top surface of ejection platform supporting plate 5（A faces）It is in contact so that ejection platform supporting plate 5 is embedded in ejection platform
In device 1.During ejection, in order to ensure safety and stability in progradation, by the side in ejection platform device 1
Surface roller 12 contacts with the B faces of ejection platform supporting plate 5, and lower rollers 13 contact with the C faces of ejection platform supporting plate 5, top
Roller 14 contacts with the A faces of ejection platform supporting plate 5.
As a kind of embodiment, permanent-magnet linear catapult-launching gear also includes detection means, and detection means passes including position
Sensor component 16 and magnet steel 51, position sensor assembly include being embedded in position sensor 161 and the position of ejection platform device 1
The power supply 162 of sensor, magnet steel 51 are arranged in ejection platform supporting plate 5, the position that magnet steel 51 is installed and position sensor 161
It is corresponding, i.e., on the length direction of ejection platform supporting plate 5, projection of the position sensor 161 in ejection platform supporting plate 5 with
Magnet steel 51 is on same straight line.
Preferably, the pole span of magnet steel 51 is identical with the pole span of the secondary 11,11 ' of permanent-magnetism linear motor.
The course of work of permanent-magnet linear catapult-launching gear is as follows：Projectile 9 and the ejection platform 15 of ejection platform device 1 are connected
Connect, by being embedded in the magnet steel 51 of ejection platform supporting plate 5 and being embedded in what the position sensor assembly 16 of ejection platform 15 formed
Position detecting device detects the position of secondary 11 in real time（The namely position of ejection platform device 1）, and the pole span of magnet steel 51 with
The pole span of secondary 11,11 ' is identical, and the primary 2,2 ' of permanent-magnetism linear motor is given according to the position that position sensor 161 detects
Winding is passed through three-phase current as shown in Figure 6 so that the electric current formed armature field being passed through and the excitation magnetic of secondary 11 and 11 '
Field interactions, electromagnetic push is produced, it is common to promote ejection platform device 1 and projectile 9, when reaching required speed,
And at the same time projectile 9 departs from ejection platform 15 and launched, and, controls driving current, its is produced retrothrust, and
Brake deceleration under braking device drag effect, stop during to end, be then back to that head end is in situ to be prepared to launch another bullet
Penetrate thing 9.
For ejection platform 15 using intensity is big, density is small, the material of light weight, permanent-magnet linear catapult-launching gear uses short secondary,
Long primary scheme, so not only alleviates the weight of ejection platform device 1, and reduces the appearance of the whole system supply energy
Amount.
In the above-described embodiments, because ejection speed is very fast, the response time must be short, using closed-loop control almost not
May, preferably, as shown in figure 5, permanent-magnet linear catapult-launching gear also includes being used for the primary drive for controlling permanent-magnetism linear motor
Dynamic system, drive system use H bridge type of drive, and the type of drive is similar to two six states being conducted of brshless DC motor
Type of drive, the quantity of H bridges is one group or two groups, when the quantity of H bridges is two groups using intersection sectional power supply.Preferably, position
The switch board for putting sensor 161 and permanent-magnet linear catapult-launching gear uses transmission of wireless signals.In the embodiment above, due to using
Long primary scheme, it is impossible to powered as short primary scheme using direct single hop.In order to improve energy efficiency and voltage utilization,
Reduce leakage reactance and reduce the angle of energy resource supply capacity, the power supply mode of segmentation must be taken using long primary scheme.Fig. 7 illustrates
It is 22 sections of drive schemes to illustrate primary 2 points, and wherein odd number section is driven by H bridges 0, and even number section is driven by H bridges 1, every section of upper setting
One switch 17.In practical application, voltage that the hop count of actual segment and segmentation distance depend on providing, electric current and around
The parameters such as the inductance of group.
The permanent-magnet linear catapult-launching gear of above example, it is simple in construction, save the longitudinal space of transmitting（Reduce support
The length of platform）, improve stability and security of the ejection platform device in emission process.Using two permanent-magnet linear electricity
Machine promotes to projectile simultaneously, significantly improves and promotes space, improves the efficiency of permanent-magnet linear catapult-launching gear；Permanent magnetism
The modularization of linear electric motors, greatly simplifie the processing and installation technique of parts；Position sensor is embedded in ejection platform
The bottom of device, and position detecting device is formed with the magnet steel in ejection platform supporting plate, so only need one group of position to pass
Sensor can accurately detect the position of ejection platform device；The locus of secondary is detected using being wirelessly transferred, has been avoided
Source electric wire Layout Problem, so as to further improve the positioning precision of ejection platform device, extend service life；The present embodiment with
Existing steam catapult is compared with existing Electromagnetical ejector technology, except employing two permanent-magnetism linear motor units as drive
It is dynamic, and the permanent-magnet linear catapult-launching gear is compact-sized, and non-environmental-pollution.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of permanent-magnet linear catapult-launching gear, including ejection platform device, permanent-magnetism linear motor and for supporting the ejection flat
The support platform of table apparatus and permanent-magnetism linear motor, the ejection platform device are used to place projectile, it is characterised in that：
The primary of the permanent-magnetism linear motor is arranged in the support platform, and the secondary of the permanent-magnetism linear motor is arranged on institute
To state on ejection platform device, the support platform is provided with the ejection platform supporting plate for being used for supporting the ejection platform device,
The ejection platform device relatively described ejection platform supporting plate can move on the length direction of the ejection platform supporting plate
It is dynamic；
The quantity of the permanent-magnetism linear motor is two, respectively the first permanent-magnetism linear motor and the second permanent-magnetism linear motor, institute
Primary and second permanent-magnetism linear motor primary for stating the first permanent-magnetism linear motor is symmetricly set on the support platform
Both sides, secondary and second permanent-magnetism linear motor secondary of first permanent-magnetism linear motor are symmetricly set on the ejection
The both sides of stage apparatus；
Also include detection means；
The detection means include be embedded in the position sensor of the ejection platform device, the power supply of the position sensor and
Magnet steel in the ejection platform supporting plate, the position of the magnet steel installation is corresponding with the position sensor,
On ejection platform supporting plate length direction, projection of the position sensor in ejection platform supporting plate is with magnet steel in same
On straight line.
2. permanent-magnet linear catapult-launching gear according to claim 1, it is characterised in that：
The first level length of the permanent-magnetism linear motor is more than secondary length.
3. permanent-magnet linear catapult-launching gear according to claim 2, it is characterised in that：
The primary of the permanent-magnetism linear motor is modular primary, and each primary module is by coil, primary iron core and primary iron
Core mounting bar forms；
The secondary of the permanent-magnetism linear motor is modular secondary, and each secondary module is by permanent magnet and the secondary iron core of magnetic conduction
Composition.
4. permanent-magnet linear catapult-launching gear according to claim 1, it is characterised in that：
The pole span of the magnet steel is identical with the secondary pole span of the permanent-magnetism linear motor.
5. permanent-magnet linear catapult-launching gear according to claim 4, it is characterised in that：
The switch board of the position sensor and the permanent-magnet linear catapult-launching gear uses transmission of wireless signals.
6. according to the permanent-magnet linear catapult-launching gear described in claim any one of 1-5, it is characterised in that：
Side roll, lower rollers and upper roller, the side roll and the ejection are set on the ejection platform device
The side of platform support panel is in contact, and the lower rollers are in contact with the bottom surface of the ejection platform supporting plate, the top
Roller is in contact with the top surface of the ejection platform supporting plate so that the ejection platform supporting plate is embedded in the ejection platform
In device.
7. permanent-magnet linear catapult-launching gear according to claim 6, it is characterised in that：
The rear and front end of the support platform is also respectively provided with buffer unit, and the buffer unit is by baffle plate and buffing pad group
Into.
8. permanent-magnet linear catapult-launching gear according to claim 6, it is characterised in that：
Also include being used for the primary drive system for controlling the permanent-magnetism linear motor, the drive system uses H bridges driving side
Formula, the quantity of the H bridges is one group or two groups, when the quantity of the H bridges is two groups using intersection sectional power supply.
9. permanent-magnet linear catapult-launching gear according to claim 6, it is characterised in that：
The transmitting terminal of the support platform sets the aviation socket of active electric wire, and the aviation socket is inserted by the aviation to match therewith
Head is connected on the switch board of the permanent-magnet linear catapult-launching gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310648554.8A CN104691776B (en) | 2013-12-04 | 2013-12-04 | Permanent-magnet linear catapult-launching gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310648554.8A CN104691776B (en) | 2013-12-04 | 2013-12-04 | Permanent-magnet linear catapult-launching gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104691776A CN104691776A (en) | 2015-06-10 |
| CN104691776B true CN104691776B (en) | 2017-11-10 |
Family
ID=53339410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310648554.8A Active CN104691776B (en) | 2013-12-04 | 2013-12-04 | Permanent-magnet linear catapult-launching gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104691776B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281465B (en) * | 2015-11-03 | 2018-10-30 | 西南交通大学 | The primary bilateral line inductance electromotor of pole-changing distance |
| CN107380476B (en) * | 2017-08-30 | 2019-07-05 | 北京特种机械研究所 | A kind of straight line ejection motor suitable for electromagnetic launch technology of unmanned aerial vehicle |
| CN108445763B (en) * | 2018-03-21 | 2021-01-26 | 东南大学 | Electromagnetic ejection system based on cylindrical magnetic flux switching linear motor and control method |
| CN109094809B (en) * | 2018-09-07 | 2021-08-17 | 佛山皖和新能源科技有限公司 | Electromagnetic emission slide rail for emission of fixed-wing unmanned aerial vehicle and emission method thereof |
| CN109305381A (en) * | 2018-10-30 | 2019-02-05 | 中国船舶工业***工程研究院 | A kind of quick power-assisted launching apparatus of unmanned plane cluster |
| WO2020140178A1 (en) * | 2018-12-30 | 2020-07-09 | 中国科学院沈阳自动化研究所 | On-orbit launching apparatus |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB546572A (en) * | 1940-04-17 | 1942-07-20 | T A Gillespie Co | Improvements in or relating to aircraft launching apparatus |
| GB2423063A (en) * | 2005-02-14 | 2006-08-16 | Alstom | Apparatus for accelerating and decelerating a trolley, or similar moving assembly |
| CN101621236A (en) * | 2009-06-26 | 2010-01-06 | 哈尔滨工业大学 | Linear starting generator in separate core structure and driving control system thereof |
| CN102328753A (en) * | 2010-07-14 | 2012-01-25 | 汤天武 | Ejector |
| CN102689694A (en) * | 2012-05-11 | 2012-09-26 | 田太康 | Permanent magnet suspension electromagnetic ejection platform for airplane |
| CN103010477A (en) * | 2012-12-11 | 2013-04-03 | 魏伯卿 | Variable frequency screw catapult for aircraft carrier |
| CN103057722A (en) * | 2013-01-08 | 2013-04-24 | 上海大学 | Active maglev electromagnetic catapult |
| CN203698673U (en) * | 2013-12-04 | 2014-07-09 | 中国科学院宁波材料技术与工程研究所 | Permanent magnet linear ejection device |
-
2013
- 2013-12-04 CN CN201310648554.8A patent/CN104691776B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB546572A (en) * | 1940-04-17 | 1942-07-20 | T A Gillespie Co | Improvements in or relating to aircraft launching apparatus |
| GB2423063A (en) * | 2005-02-14 | 2006-08-16 | Alstom | Apparatus for accelerating and decelerating a trolley, or similar moving assembly |
| CN101621236A (en) * | 2009-06-26 | 2010-01-06 | 哈尔滨工业大学 | Linear starting generator in separate core structure and driving control system thereof |
| CN102328753A (en) * | 2010-07-14 | 2012-01-25 | 汤天武 | Ejector |
| CN102689694A (en) * | 2012-05-11 | 2012-09-26 | 田太康 | Permanent magnet suspension electromagnetic ejection platform for airplane |
| CN103010477A (en) * | 2012-12-11 | 2013-04-03 | 魏伯卿 | Variable frequency screw catapult for aircraft carrier |
| CN103057722A (en) * | 2013-01-08 | 2013-04-24 | 上海大学 | Active maglev electromagnetic catapult |
| CN203698673U (en) * | 2013-12-04 | 2014-07-09 | 中国科学院宁波材料技术与工程研究所 | Permanent magnet linear ejection device |
Non-Patent Citations (2)
| Title |
|---|
| 基于电磁弹射***的直线电机研究;谭溥学等;《科技论坛》;20130630(第6期);49-50 * |
| 直线电机的发展及其磁阻力优化综述;章达众等;《机电工程》;20130930;第30卷(第9期);1051-1054 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104691776A (en) | 2015-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104691776B (en) | Permanent-magnet linear catapult-launching gear | |
| CN106394924B (en) | A kind of permanent-magnetism linear motor type electromagnetic launch technology of unmanned aerial vehicle device | |
| CN206231638U (en) | A kind of permanent-magnetism linear motor type electromagnetic launch technology of unmanned aerial vehicle device | |
| US10329124B2 (en) | Elevator wireless power supply | |
| CN105691233B (en) | Electromagnetism train | |
| CN103057722B (en) | Active maglev electromagnetic catapult | |
| CN102897054A (en) | Magnetism-propelled, centered and suspended conveying system | |
| CN109094809B (en) | Electromagnetic emission slide rail for emission of fixed-wing unmanned aerial vehicle and emission method thereof | |
| CN209921071U (en) | High-temperature superconducting magnetic suspension start-stop system | |
| CN108372864B (en) | Vacuum pipeline train magnetic suspension EMS/EDS hybrid bearing structure | |
| CN106428605B (en) | Electromagnetic launch technology of unmanned aerial vehicle device associated braking system | |
| CN103754384A (en) | Passive magnetic suspension type electromagnetic launcher | |
| CN104428234A (en) | Elevator capable of generating power | |
| CN103879849B (en) | The power supply of lift car without trailing cable, car accidental movement inspection and control system | |
| CN102689694A (en) | Permanent magnet suspension electromagnetic ejection platform for airplane | |
| CN103231664B (en) | Low speed magnetic suspension train control method and device in one | |
| CN109094422B (en) | Suspension type track traffic equipment and magnetoelectric hybrid suspension rail system therein | |
| CN204237383U (en) | Without power supply, the car accidental movement inspection and control system of trailing cable lift car | |
| CN203698673U (en) | Permanent magnet linear ejection device | |
| CN113415171A (en) | Suspension driving integrated magnetic suspension system and suspension driving method | |
| CN1321848C (en) | High speed rail vehicle capable of adjusting pressure on ground | |
| CN205292323U (en) | Electromagnetism train | |
| CN109017433A (en) | A kind of identical charges repel each other formula magnetic suspension and Brake Design technical solution | |
| US10164503B2 (en) | Power generation system using vehicle | |
| CN102120457A (en) | Maglev galloping train device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |