CN108193615A - A kind of magnetorheological height limiter of self adaptive control - Google Patents
A kind of magnetorheological height limiter of self adaptive control Download PDFInfo
- Publication number
- CN108193615A CN108193615A CN201810051396.0A CN201810051396A CN108193615A CN 108193615 A CN108193615 A CN 108193615A CN 201810051396 A CN201810051396 A CN 201810051396A CN 108193615 A CN108193615 A CN 108193615A
- Authority
- CN
- China
- Prior art keywords
- conductive metal
- magnetic conductive
- metal housing
- magnetorheological
- adaptive control
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
- H01F7/202—Electromagnets for high magnetic field strength
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of magnetorheological height limiters of self adaptive control, steel column including being arranged on the left and right sides, column top is equipped with crossbeam, rotatable magnetic conductive metal housing is provided on crossbeam, stop catch plate is connected with below magnetic conductive metal housing, magnetic conductive metal enclosure interior be provided with the fixed permanent magnet circle ring of crossbeam, be fixedly installed magnet exciting coil on the internal face far from crossbeam in magnetic conductive metal housing；Magnetic conductive metal enclosure interior coaxial line is equipped with sealing ring, surrounds annular seal space between the inner wall of sealing ring and magnetic conductive metal housing, permanent magnet circle ring or fixing piece and magnet exciting coil, magnetorheological fluid is filled in annular seal space；The speed switch with delay function is provided on stop catch plate, which further includes DC power supply, and DC power supply, speed switch and magnet exciting coil are linked to be current loop by conducting wire.Present invention improves the deficiencies of steelframe height-limiting bar and flexible height-limiting bar, and the rotary resistance that setting value changes stop catch plate whether can be reached according to car speed size, ensure to be stopped when car speed is relatively low, can safety when speed is higher.
Description
Technical field
The invention belongs to building traffic engineering fields, and in particular to a kind of magnetorheological height limiter of self adaptive control.
Background technology
Height-limiting bar is normally placed in the road and bridge that some bearing capacitys are relatively low, newly-built or longer " military service " time, mainly
For limiting superelevation, heavy-duty vehicle passes through, and plays the role of protecting road, bridge and guarantee driving safety.China is to limit at present
High width of high bar, head, color, material etc. have no specific standards, and height-limiting bar is mostly using firm steel under normal conditions
Frame structure also has part to pass through the flexible height-limiting bar in the suspension formation such as steel plate or rubber material of cross bar downward vertical.
Although practical application effect shows that steel frame construction height-limiting bar can effectively limit Overheight Vehicles and pass through, work as limit for height
When bar warns unobvious or the driver to fail to find in time, vehicle easily hits height-limiting bar with higher speed, so as to cause vehicle and
Height-limiting bar is damaged and is blocked the traffic, and but will jeopardize the personal safety of driver and passenger when serious, causes serious life and property
Loss；Although flexible height-limiting bar can effectively prevent traffic accident and traffic jam caused by high speed lance, as driver, there are lucky
During good fortune psychology, only need to slow down speed can be forced through the flexible height-limiting bar for being hung with steel plate or rubber material.Therefore, flexible limit
High bar can not play the role of effective limit for height in some cases, and be likely to result in damage of the Overheight Vehicles to road and bridge.
Invention content
The object of the present invention is to provide a kind of self adaptive control magnetic currents that can change voluntarily conciliation impact force size according to speed
Become height limiter, easily occur lance to solve steel frame construction height-limiting bar in the prior art and generate asking for traffic accident and traffic jam
Topic, and solve the problems, such as that flexible height-limiting bar does not have slow-moving vehicle limit for height effect simultaneously.
To achieve the above object, the magnetorheological height limiter of a kind of self adaptive control of the invention adopts the following technical scheme that：
A kind of magnetorheological height limiter of self adaptive control, including each side setting a steel column, column top consolidates a circle
Cylindricality gooseneck；Equidistantly being equipped with one or more along crossbeam length direction can be around the circular ring shape magnetic conduction gold that crossbeam axis rotates
Belonging to housing, magnetic conductive metal housing is connected with crossbeam by rolling bearing, and magnetic conductive metal enclosure interior is radially carved with annular groove,
Non-magnetic annular base is installed on crossbeam inside magnetic conductive metal casing annular slot, annular base peripheral surface is fixedly mounted
Round ring magnet, coaxial line fixation is wound with excitation wire on the internal face far from crossbeam inside magnetic conductive metal casing annular slot
Circle；Between magnet exciting coil and permanent magnet radial direction, there are gaps between for permanent magnet and magnetic conductive metal casing annular fluted shaft；Magnetic conduction
Filled with coaxial annular sealing ring, sealing ring outer surface between two side external surface of metal shell annular groove inner surface and annular base
Annular seal space is surrounded between magnetic conductive metal casing annular slot inner wall, permanent magnet and magnet exciting coil, magnetic current is filled in annular seal space
Become liquid；Rectangular rubber shelves are installed with by round steel pipe immediately below magnetic conductive metal housing peripheral surface and stop plate；In rectangular rubber
Shelves stop speed switch of the plate surface lower left setting with delay function, two conducting wires of speed switch external connection, wherein one
Conducting wire is connected with the DC power supply mounted below the crossbeam, and another conducting wire is connected with the outermost connector of magnet exciting coil, excitation
The connector of coil innermost layer is connected with DC power supply；DC power supply, speed switch, magnet exciting coil and conducting wire collectively form one it is complete
Whole self adaptive control current loop.
The magnetic conductive metal housing is rotatablely installed by bearing on crossbeam.
The non-magnetic annular base is stainless steel.
The DC power supply can be charged by solar panel, can also be powered by AC power.
The magnetic conductive metal housing is electrical pure iron DT4.
Velocity sensor in the speed switch can receive the pulse frequency that Overheight Vehicles to be monitored generate, and have
There is delay function, can be disconnected automatically after a period of time is powered.
Beneficial effects of the present invention：Magnet exciting coil, DC power supply and speed switch connect stroke by conducting wire under working condition
Self adaptive control current loop, the velocity sensor in speed switch can receive the pulse frequency that Overheight Vehicles to be monitored generate
Rate.When the preparation of tested Overheight Vehicles is forced through height limiter with low speed, the pulse frequency generated is set less than speed switch
Determine frequency, speed switch is disconnected, is clouded in magnetorheological fluid by the magnetic field that permanent magnet circle ring is excited, magnetorheological fluid shear strength
Very big, magnetic conductive metal housing and rectangular rubber shelves, which stop plate and are fixed on crossbeam, cannot rotate, therefore Overheight Vehicles can not
Pass through.When tested Overheight Vehicles due to carelessness and at a high speed close to height limiter when, generate pulse frequency be more than speed switch
Setpoint frequency, speed switch are closed, and generate electric current in self adaptive control current loop, the magnetic field that magnet exciting coil generates after being powered with
The magnetic field that permanent magnet circle ring generates is cancelled out each other, and the magnetorheological fluid in annular seal space is several in no magnetic field conditions down cut yield strength
It is zero, magnetic conductive metal housing can stop plate with rectangular rubber shelves and is freely rotated around crossbeam, and vehicle can safety.It hits
After the completion of hitting, rectangular rubber shelves stop plate during speed switch is delayed because Gravitative Loads are restored to original position, continue to work normally.Together
When improve the deficiency of steel frame construction height-limiting bar and flexible height-limiting bar.
Description of the drawings
Fig. 1 is a kind of structure diagram of one embodiment of the magnetorheological height limiter of self adaptive control of the present invention；
Fig. 2 is magnetic conductive metal housing interior structure diagrammatic cross-section in Fig. 1.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained belong to what the present invention protected
Range.
A kind of one embodiment of the magnetorheological height limiter of self adaptive control of the present invention：As shown in Figure 1 and Figure 2, adaptively
Magnetorheological height limiter is controlled to include each side setting a steel column 1,1 top of column consolidates a cylindrical steel crossbeam
2；One or more circular ring shape magnetic conductive metal housings that can be rotated around 2 axis of crossbeam are equidistantly installed along 2 length direction of crossbeam
3, magnetic conductive metal housing 3 and crossbeam 2 are connected by rolling bearing 4, and magnetic conductive metal housing 3 is radially inside carved with annular groove,
Non-magnetic annular base 5 is installed on crossbeam 2 inside 3 annular groove of magnetic conductive metal housing, 5 peripheral surface of annular base is fixed
Mounting circular ring shape permanent magnet 6, coaxial line fixation is wound on the internal face far from crossbeam 2 inside 3 annular groove of magnetic conductive metal housing
Magnet exciting coil 7, the magnetic induction line 61 that permanent magnet 6 generates are clouded in around magnet exciting coil 7 in magnetic conductive metal housing 3；Magnet exciting coil 7 with forever
Between 6 radial direction of magnet, there are gaps between 3 annular groove axial direction of permanent magnet 6 and magnetic conductive metal housing；3 ring of magnetic conductive metal housing
Coaxial annular sealing ring 8,8 outer surface of sealing ring and magnetic conduction are filled between 5 liang of side external surfaces of shape slot inner surface and annular base
Annular seal space is surrounded between 3 annular groove inner wall of metal shell, permanent magnet 6 and magnet exciting coil 7, magnetorheological fluid is filled in annular seal space
9；Rectangular rubber shelves are installed with by round steel pipe 10 immediately below 3 peripheral surface of magnetic conductive metal housing and stop plate 11；In rectangle rubber
Glue shelves stop 11 surface lower left of plate setting with delay function speed switch 21, speed switch 21 external connection, two conducting wires,
A wherein conducting wire is connected with the DC power supply 22 mounted on the lower section of crossbeam 2, another conducting wire with magnet exciting coil 7 is outermost connects
Head is connected, and the connector of 7 innermost layer of magnet exciting coil is connected with DC power supply 22；DC power supply 22, speed switch 21, magnet exciting coil 7
A complete self adaptive control current loop is collectively formed with conducting wire.
A kind of operation principle of the magnetorheological height limiter of self adaptive control of the present invention is：Under working condition, magnet exciting coil
Self adaptive control current loop is formed with DC power supply, speed switch and conducting wire, the velocity sensor in speed switch can connect
Receive the pulse frequency that Overheight Vehicles to be monitored generate.When the preparation of tested Overheight Vehicles is forced through height limiter with low speed,
The pulse frequency of generation is less than speed switch setpoint frequency, and speed switch is in an open state at this time, self adaptive control current loop
There is no electric current；It being clouded in magnetorheological fluid by the magnetic field that permanent magnet circle ring is excited, the shear yield strength of magnetorheological fluid is very big,
Together with magnetic conductive metal housing is firmly fixed with permanent magnet circle ring, non-magnetic annular base, it is impossible to rotate, therefore, lead to
Inhibition, vehicle can be effectively played by crossing the rectangular rubber shelves that round steel pipe is vertically fixedly mounted below magnetic conductive metal housing and stopping plate
It can not pass through.When tested Overheight Vehicles due to carelessness and at a high speed close to height limiter when, generate pulse frequency be more than speed
Degree switch setpoint frequency, speed switch is closed state at this time, generates electric current in self adaptive control current loop, magnet exciting coil leads to
Magnetic field is generated after electricity, and the magnetic direction that the magnetic direction of magnet exciting coil generation is generated with permanent magnet circle ring is on the contrary, annular seal space
In magnetic field because mutually cancelling out each other instead in direction, the Newtonian fluid that magnetorheological fluid shows low viscosity under zero magnetic field condition is special
Sign, shear yield strength are almost nil；When Overheight Vehicles stop plate with high-speed impact rectangular rubber shelves, magnetic conductive metal housing can be with
Rectangular rubber shelves stop plate and are freely rotated together around crossbeam, greatly reduce impact force, and vehicle safety passes through, and hit and complete
Afterwards, speed switch disconnects automatically after a period of time is delayed, and rectangular rubber shelves stop plate during speed switch is delayed because from recast
With being restored to original position.Per after the completion of task, speed switch and it is installed with the magnetic conductive metal housing that rectangular rubber shelves stop plate
It sets back automatically, continues to work normally.
The magnetorheological height limiter of self adaptive control improves the deficiency of steel frame construction height-limiting bar and flexible height-limiting bar simultaneously,
Whether can reach the rotary resistance that setting value changes itself component during Vehicular impact according to Overheight Vehicles velocity magnitude, ensure superelevation
Stopped when car speed is relatively low, when speed is higher can safety, avoid having a car accident；Due to magnetorheological fluid millisecond order reaction
Speed, the height limiter reaction time is extremely short, and safety reliability is high.
In other embodiments of the invention, non-magnetic annular base is not provided with, directly permanent magnet circle ring is fixedly installed
In on crossbeam, annular seal space is surrounded between the inner wall of sealing ring and magnetic conductive metal housing, permanent magnet circle ring and magnet exciting coil at this time；
The quantity of block main body can be adjusted according to actual needs；Shelves, which stop plate rubber material, to be replaced by flexible materials such as sponges.
Claims (8)
1. a kind of magnetorheological height limiter of self adaptive control, it is characterised in that：Steel column including left and right ends, steel column and top
End floor beam is fixedly mounted, and sets one along crossbeam length direction or is arranged at intervals multiple magnetic conductive metal shells that can be rotated around crossbeam
Body, each magnetic conductive metal housing lower section are respectively connected with stop catch plate, and magnetic conductive metal enclosure interior is set by the fixation of non-magnetic annular base
Permanent magnet circle ring is equipped with, magnetic conductive metal housing is interior to be fixedly installed magnet exciting coil in coaxial line on the internal face far from crossbeam；It encourages
Between magnetic coil and permanent magnet circle ring radial direction, gap, magnetic conduction gold are respectively provided between permanent magnet circle ring and magnetic conductive metal housing axial direction
Category enclosure interior is coaxially set and has sealing ring, inner wall, permanent magnet circle ring and the excitation wire of sealing ring and magnetic conductive metal housing
It is surrounded between circle and surrounds sealing between the inner wall, fixing piece and magnet exciting coil of annular seal space or sealing ring and magnetic conductive metal housing
Chamber is filled with magnetorheological fluid in annular seal space；The speed switch with delay function is provided on stop catch plate, speed switch includes tool
The velocity sensor for the pulse frequency that vehicle to be monitored generates can be received by having, which further includes DC power supply, direct current
Power supply, magnet exciting coil and speed switch form self adaptive control current loop by conducting wire.
2. the magnetorheological height limiter of self adaptive control according to claim 1, it is characterised in that：The permanent magnet circle ring is consolidated
Surely it is sheathed on the peripheral surface of non-magnetic annular base, annular seal space is by sealing ring, the inner wall of magnetic conductive metal housing, permanent magnet circle ring
And magnet exciting coil surrounds.
3. the magnetorheological height limiter of self adaptive control according to claim 2, it is characterised in that：The non-magnetic annular bottom
Seat is stainless steel.
4. the magnetorheological height limiter of self adaptive control according to claim 1, it is characterised in that：The magnetic conductive metal housing
It is rotatablely installed by bearing on crossbeam.
5. the magnetorheological height limiter of self adaptive control according to claim 1, it is characterised in that：The magnetic conductive metal housing
For electrical pure iron DT4 materials.
6. the magnetorheological height limiter of self adaptive control according to claim 1, it is characterised in that：The DC power supply can be by
Solar panel charges, also can be by alternating current power supply charging.
7. the magnetorheological height limiter of self adaptive control according to claim 1, it is characterised in that：The stop catch plate is rectangle
Rubber slab, rectangular rubber plate are connected to by connecting rod on magnetic conductive metal housing.
8. the magnetorheological height limiter of self adaptive control according to claim 7, it is characterised in that：The connecting rod is circle
Steel pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051396.0A CN108193615B (en) | 2018-01-19 | 2018-01-19 | Self-adaptive control magnetorheological height limiting device |
| CN202210075460.5A CN114277706B (en) | 2018-01-19 | 2018-01-19 | Self-adaptive control height limiting device based on magnetorheological fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051396.0A CN108193615B (en) | 2018-01-19 | 2018-01-19 | Self-adaptive control magnetorheological height limiting device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210075460.5A Division CN114277706B (en) | 2018-01-19 | 2018-01-19 | Self-adaptive control height limiting device based on magnetorheological fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108193615A true CN108193615A (en) | 2018-06-22 |
| CN108193615B CN108193615B (en) | 2023-05-12 |
Family
ID=62589880
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810051396.0A Active CN108193615B (en) | 2018-01-19 | 2018-01-19 | Self-adaptive control magnetorheological height limiting device |
| CN202210075460.5A Active CN114277706B (en) | 2018-01-19 | 2018-01-19 | Self-adaptive control height limiting device based on magnetorheological fluid |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210075460.5A Active CN114277706B (en) | 2018-01-19 | 2018-01-19 | Self-adaptive control height limiting device based on magnetorheological fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108193615B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003054417A2 (en) * | 2001-11-08 | 2003-07-03 | Satcon Technology Corporation | Continuously variable transmissions using magnetorheological fluid or oil shear and methods of and systems for using the same in a vehicle, in-wheel application |
| KR20130073357A (en) * | 2011-12-23 | 2013-07-03 | 주식회사 포스코 | Active guard fence |
| CN104404896A (en) * | 2014-12-02 | 2015-03-11 | 四川大学 | Intelligent magneto-rheological deceleration strip |
| CN204825698U (en) * | 2015-07-29 | 2015-12-02 | 胡中林 | Limit for height pole |
| KR20150145924A (en) * | 2014-06-20 | 2015-12-31 | 정광용 | Robot Apparatus of Traffic Control Mannequin |
| CN105421260A (en) * | 2015-10-30 | 2016-03-23 | 贾峰 | Anti-collision height-limiting rack for highway |
| CN206486833U (en) * | 2016-12-27 | 2017-09-12 | 西安品质信息科技有限公司 | A kind of multistage intelligent limit for height system |
| CN208266735U (en) * | 2018-01-19 | 2018-12-21 | 郑州大学 | A kind of magnetorheological height limiter of self adaptive control |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652316A (en) * | 2015-02-02 | 2015-05-27 | 辽宁石油化工大学 | Safety height limiting rod |
| CN104652319B (en) * | 2015-02-07 | 2017-02-22 | 辽宁石油化工大学 | Inflatable safe height-limiting rod |
| CN204898552U (en) * | 2015-07-13 | 2015-12-23 | 山东省五金研究所 | Warning limit for height railing |
-
2018
- 2018-01-19 CN CN201810051396.0A patent/CN108193615B/en active Active
- 2018-01-19 CN CN202210075460.5A patent/CN114277706B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003054417A2 (en) * | 2001-11-08 | 2003-07-03 | Satcon Technology Corporation | Continuously variable transmissions using magnetorheological fluid or oil shear and methods of and systems for using the same in a vehicle, in-wheel application |
| KR20130073357A (en) * | 2011-12-23 | 2013-07-03 | 주식회사 포스코 | Active guard fence |
| KR20150145924A (en) * | 2014-06-20 | 2015-12-31 | 정광용 | Robot Apparatus of Traffic Control Mannequin |
| CN104404896A (en) * | 2014-12-02 | 2015-03-11 | 四川大学 | Intelligent magneto-rheological deceleration strip |
| CN204825698U (en) * | 2015-07-29 | 2015-12-02 | 胡中林 | Limit for height pole |
| CN105421260A (en) * | 2015-10-30 | 2016-03-23 | 贾峰 | Anti-collision height-limiting rack for highway |
| CN206486833U (en) * | 2016-12-27 | 2017-09-12 | 西安品质信息科技有限公司 | A kind of multistage intelligent limit for height system |
| CN208266735U (en) * | 2018-01-19 | 2018-12-21 | 郑州大学 | A kind of magnetorheological height limiter of self adaptive control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108193615B (en) | 2023-05-12 |
| CN114277706A (en) | 2022-04-05 |
| CN114277706B (en) | 2023-05-09 |
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