CN102627214A - Magnetic fluid elevator - Google Patents

Magnetic fluid elevator Download PDF

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Publication number
CN102627214A
CN102627214A CN2012101107609A CN201210110760A CN102627214A CN 102627214 A CN102627214 A CN 102627214A CN 2012101107609 A CN2012101107609 A CN 2012101107609A CN 201210110760 A CN201210110760 A CN 201210110760A CN 102627214 A CN102627214 A CN 102627214A
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CN
China
Prior art keywords
magnetic fluid
elevator
buoyancy aid
fluid container
escalator
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.)
Pending
Application number
CN2012101107609A
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Chinese (zh)
Inventor
林智勇
Original Assignee
林智勇
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 林智勇 filed Critical 林智勇
Priority to CN2012101107609A priority Critical patent/CN102627214A/en
Publication of CN102627214A publication Critical patent/CN102627214A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a magnetic fluid elevator, comprising an elevator car. The magnetic fluid elevator is provided with a magnetic fluid lifting device which is connected with the elevator car; the magnetic fluid lifting device consists of a magnetic fluid container, a floating body, an electromagnetic coil, a braking device and a controller; the apparent density of a magnetic fluid is controlled by controlling magnetic flux of the electromagnetic coil by using the controller, so that the change of the buoyancy force of the floating body in the magnetic fluid is controlled, the lifting of the floating body is controlled by controlling the change of the buoyancy force, and the elevator car is driven to stably lift by using the floating body; when the buoyancy force is controlled to be equal to or close to the gravity, the stable stopping of the elevator is implemented, the inertial impact force of operation and braking is reduced and the safe braking of the elevator is carried out by using the braking device.

Description

The magnetic fluid elevator
Technical field
The present invention relates to a kind of elevator, particularly a kind of magnetic fluid elevator.
Background technology
At present, existing elevator adopts the power of winch as elevator lifting, because wearing and tearing or aging can appear in the steel rope of winch, the inertial impact force of elevator operation is bigger, makes elevator in use have potential safety hazard.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; A kind of magnetic fluid elevator is provided; Utilize the apparent density of controller control magnetic fluid to change to control the variation of the buoyancy that buoyancy aid receives in magnetic fluid; Utilize the variation of buoyancy to control the up-down of buoyancy aid, utilize the up-down of buoyancy aid to drive escalator and go up and down, for people provide a kind of brand new operation inertial impact force less safe elevator.
The technical scheme that the present invention adopted is: the magnetic fluid elevator includes escalator, and the magnetic fluid elevator is provided with the magnetic fluid jacking system, and the magnetic fluid jacking system is connected with escalator; The magnetic fluid jacking system is made up of magnetic fluid container, buoyancy aid, magnet coil, brake gear and controller; Be provided with magnetic fluid in the magnetic fluid container; Buoyancy aid is suspended in the magnetic fluid, and buoyancy aid is actively tied in the magnetic fluid container, and magnet coil is positioned at outside the magnetic fluid container; Buoyancy aid is provided with attaching parts; Attaching parts is connected with the brake gear running-fit, and the support of brake gear is captiveed joint with the magnetic fluid container, and attaching parts and magnetic fluid container running-fit are tightly connected; Controller is provided with travel switch and BK Brake Switch, is used to control the stroke and the brake of escalator, and magnet coil is provided with control line and is connected with controller, utilizes the magnetic flow of controller control magnet coil; During use, the magnetic fluid container is installed on the building of elevator, attaching parts is connected with escalator, utilizes the up-down of buoyancy aid at the up-down drive escalator of magnetic fluid container, utilizes brake gear to implement the reliable steadily brake of elevator.
The principle of work of magnetic fluid elevator is: the magnetic fluid container of magnetic fluid jacking system is captiveed joint with elevator building; The buoyancy aid of magnetic fluid jacking system is connected with escalator through attaching parts; The magnetic fluid jacking system is made up of magnetic fluid container, buoyancy aid, magnet coil, brake gear and controller, is provided with magnetic fluid in the magnetic fluid container; Utilize the variation of controller control magnet coil magnetic flow; Utilize the variation of the variation control magnetic fluid apparent density of magnetic flow; Utilize the variation of magnetic fluid apparent density to control buoyancy aid receives buoyancy in magnetic fluid variation; Utilize buoyancy aid in magnetic fluid, to receive of the up-down of the variation control buoyancy aid of buoyancy, utilize the up-down of buoyancy aid at the up-down control escalator of magnetic fluid container at the magnetic fluid container.
The invention has the beneficial effects as follows: the magnetic fluid elevator; Utilize the magnetic flow of controller control magnet coil to control the magnetic fluid apparent density; Thereby the variation of the buoyancy that the control buoyancy aid receives in magnetic fluid; The up-down of the variation control buoyancy aid through control buoyancy utilizes buoyancy aid to go up and down to drive escalator and steadily rises or fall; Control buoyancy equates with gravity or is approaching, implements steadily stopping of elevator, reduces the inertial impact force of operation and brake, utilizes brake gear to implement the safety shut-down of elevator.
Description of drawings
Fig. 1 is the structural representation of magnetic fluid elevator.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further explained:
The structural representation of magnetic fluid elevator shown in Figure 1, the magnetic fluid elevator includes escalator 1, and the magnetic fluid elevator is provided with magnetic fluid jacking system 2, and magnetic fluid jacking system 2 is connected with escalator 1; Magnetic fluid jacking system 1 is made up of magnetic fluid container 3, buoyancy aid 4, magnet coil 5, brake gear 6 and controller 7; Be provided with magnetic fluid 8 in the magnetic fluid container 3; Buoyancy aid 4 is actively tied in the magnetic fluid container 3, and magnet coil 5 is positioned at outside the magnetic fluid container 3, and buoyancy aid 4 is provided with attaching parts 9; Attaching parts 9 is connected with brake gear 6 running-fits; The support 10 of brake gear 6 is captiveed joint with magnetic fluid container 3, and attaching parts 9 is tightly connected with magnetic fluid container 3 running-fits, and attaching parts 9 is connected with escalator 1; Controller 7 is provided with travel switch 11 and BK Brake Switch 12; Utilize the stroke of travel switch 11 control escalators 1 up-down of controller 7; Travel switch 11 comprises upper stroke switch 13 and lower stroke switch 14; Utilize the brake of BK Brake Switch 12 control escalators 1, BK Brake Switch 12 comprises BK Brake Switch 15 and following BK Brake Switch 16; Magnet coil 5 is provided with control line and is connected with controller 7, utilizes the magnetic-field intensity of controller 7 control magnet coils 5.
During use, magnetic fluid container 3 is installed on the building of elevator, when magnet coil 5 was not switched on, the proportion of magnetic fluid 8 was littler than the proportion of buoyancy aid 4, and buoyancy aid 4 is positioned at magnetic fluid container 3 bottom positions; Utilize the electric current of controller 7 control magnet coils 5; Make the apparent density of magnetic fluid 8 increase or reduce; Utilize the apparent density of controller 7 control magnetic fluids 8 to increase or reduce and control buoyancy aid 4 receives buoyancy in magnetic fluid 8 increase or minimizing, utilize buoyancy aid 4 at the liter of magnetic fluid container 3 or fall the liter that drives escalator 1 or fall.When escalator 1 is raised to upper stroke switch 13 positions; Upper stroke switch 13 is transferred to controller 7 with the up stroke position signal; The magnetic flow of controller 7 control magnet coils 5 through the apparent density of control magnetic flow control magnetic fluid 8, is controlled the buoyancy that receives of buoyancy aid 4 through the apparent density of control magnetic fluid 8; Buoyancy and buoyancy aid 4 that buoyancy aid 4 is received in magnetic fluid 8 are approaching with the total gravity of escalator 1, reduce the inertial impact force that elevator stops.Perhaps; When escalator 1 dropped to lower stroke switch 14 positions, lower stroke switch 14 was transferred to controller 7 with the down stroke position signal, the magnetic flow of controller 7 control magnet coils 5; Apparent density through control magnetic flow control magnetic fluid 8; The buoyancy that receives of the apparent density control buoyancy aid 4 through control magnetic fluid 8, the buoyancy that buoyancy aid 4 is received in magnetic fluid 8 is approaching with the total gravity of escalator 1 with buoyancy aid 4, reduces the inertial impact force of elevator parking.
Utilize brake gear 6 to implement the reliable and stable brake of elevator; During brake; When escalator 1 rises to BK Brake Switch 15 positions; Last BK Brake Switch 15 will be gone up the normal danger signal and be transferred to controller 7, and controller 7 is controlled the apparent density of magnetic fluid 8 through the magnetic flow of control magnet coil 5, and the buoyancy that buoyancy aid 4 is received equates with the total gravity of buoyancy aid 4 and escalator 1; Simultaneously, 6 brakes of controller 7 control brake gears utilize the brake folder of brake gear 6 that attaching parts 9 is clamped, and control escalator 1 stops.Perhaps; During brake; When escalator 1 drops to BK Brake Switch 16 positions; Following BK Brake Switch 16 will descend the normal danger signal to be transferred to controller 7, and controller 7 is controlled the apparent density of magnetic fluid 8 through the magnetic flow of control magnet coil 5, and the buoyancy that buoyancy aid 4 is received equates with the total gravity of buoyancy aid 4 and escalator 1; Simultaneously, 6 brakes of controller 7 control brake gears utilize the brake folder of brake gear 6 that attaching parts 9 is clamped, and control escalator 1 stops.
For the magnetic fluid 8 that reduces magnetic fluid container 3 leaks, magnetic fluid container 3 is provided with sealing member 17, and sealing member 17 is tightly connected with attaching parts 9 running-fits.In order to reduce the interference of ferromagnetic material to magnetic field, magnetic fluid container 3 is by the nonferromagnetic material manufacturing, and magnetic fluid container 3 is by corrosion-resistant steel or aluminum alloy manufacturing, and buoyancy aid 4 is by the nonferromagnetic material manufacturing, and buoyancy aid 4 is by corrosion-resistant steel or aluminum alloy manufacturing; Buoyancy aid 4 is provided with leak free die cavity 18, is used to reduce the load of elevator lifting, and increases buoyancy.
For the steady up-down of implementing buoyancy aid 4 and enough strokes are arranged, attaching parts 9 is provided with guide pillar 19, and magnetic fluid container 3 is provided with guide pin bushing 20, and guide pillar 19 is connected with guide pin bushing 20 running-fits of magnetic fluid container 3; The die cavity of magnetic fluid container 3 is cylindrical, and the profile of buoyancy aid 4 is cylindrical, and the internal diameter of magnetic fluid container 3 is bigger than the external diameter of buoyancy aid 4, and buoyancy aid 4 can be gone up and down in magnetic fluid container 3; The height of magnetic fluid container 3 is greater than the stroke of escalator 1, to guarantee the lifting travel of escalator.

Claims (10)

1. the magnetic fluid elevator includes escalator (1), it is characterized in that: described magnetic fluid elevator is provided with magnetic fluid jacking system (2), and magnetic fluid jacking system (2) is connected with escalator (1); Magnetic fluid jacking system (1) is made up of magnetic fluid container (3), buoyancy aid (4), magnet coil (5), brake gear (6) and controller (7); Be provided with magnetic fluid (8) in the magnetic fluid container (3); Buoyancy aid (4) is actively tied in the magnetic fluid container (3); Magnet coil (5) is positioned at outside the magnetic fluid container (3), and buoyancy aid (4) is provided with attaching parts (9), and attaching parts (9) is connected with brake gear (6) running-fit; The support (10) of brake gear (6) is captiveed joint with magnetic fluid container (3), and attaching parts (9) is tightly connected with magnetic fluid container (3) running-fit; Controller (7) is provided with travel switch (11) and BK Brake Switch (12), is used to control the Stroke Control and the brake of escalator (1), and magnet coil (5) is provided with control line and is connected with controller (7), utilizes the magnetic flow of controller (7) control magnet coil (5); During use, magnetic fluid container (3) is installed on the building of elevator, attaching parts (9) is connected with escalator (1), utilize buoyancy aid (4) to drive the up-down of escalator (1) in the up-down of magnetic fluid container (3).
2. magnetic fluid elevator according to claim 1 is characterized in that: described magnetic fluid container (3) is provided with sealing member (17), and sealing member (17) is tightly connected with attaching parts (9) running-fit.
3. magnetic fluid elevator according to claim 1 is characterized in that: described magnetic fluid container (3) is by the nonferromagnetic material manufacturing.
4. magnetic fluid elevator according to claim 1 is characterized in that: described buoyancy aid (4) is by the nonferromagnetic material manufacturing.
5. magnetic fluid elevator according to claim 4 is characterized in that: described buoyancy aid (4) is by corrosion-resistant steel or aluminum alloy manufacturing.
6. magnetic fluid elevator according to claim 1 is characterized in that: described attaching parts (9) is provided with guide pillar (19), and magnetic fluid container (3) is provided with guide pin bushing (20), and guide pillar (19) is connected with guide pin bushing (20) running-fit of magnetic fluid container (3).
7. magnetic fluid elevator according to claim 1 is characterized in that: the die cavity of described magnetic fluid container (3) is cylindrical, and the profile of buoyancy aid (4) is cylindrical, and the internal diameter of magnetic fluid container (3) is bigger than the external diameter of buoyancy aid (4).
8. magnetic fluid elevator according to claim 1 is characterized in that: described magnet coil (5) is not when switching on, and the proportion of magnetic fluid (8) is littler than the proportion of buoyancy aid (4).
9. magnetic fluid elevator according to claim 1 is characterized in that: the height of described magnetic fluid container (3) is greater than the stroke of escalator (1).
10. magnetic fluid elevator according to claim 1 is characterized in that: described buoyancy aid (4) is provided with leak free die cavity (18).
CN2012101107609A 2012-04-03 2012-04-03 Magnetic fluid elevator Pending CN102627214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101107609A CN102627214A (en) 2012-04-03 2012-04-03 Magnetic fluid elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101107609A CN102627214A (en) 2012-04-03 2012-04-03 Magnetic fluid elevator

Publications (1)

Publication Number Publication Date
CN102627214A true CN102627214A (en) 2012-08-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101107609A Pending CN102627214A (en) 2012-04-03 2012-04-03 Magnetic fluid elevator

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Country Link
CN (1) CN102627214A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105161267A (en) * 2015-09-22 2015-12-16 刘伟 Inductive reactance decreasing linear controllable inductor, electronic circuit and electromechanical equipment
CN108861947A (en) * 2018-08-16 2018-11-23 东莞市皓奇企业管理服务有限公司 Elevator loses the application method of protective device
CN109227590A (en) * 2018-10-18 2019-01-18 中国矿业大学 A kind of magnetic fluid machinery clamp hand
CN109444217A (en) * 2018-10-17 2019-03-08 合浦县卫生计生监督所 Water monitoring device
CN109462094A (en) * 2018-10-30 2019-03-12 阮鑫 A kind of television set anti-leakage plug

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038894A (en) * 1988-11-07 1991-08-13 Mitsubishi Denki Kabushiki Kaisha Drive control apparatus
CN2887816Y (en) * 2006-04-17 2007-04-11 周国海 Operation platform unit in assembly line

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038894A (en) * 1988-11-07 1991-08-13 Mitsubishi Denki Kabushiki Kaisha Drive control apparatus
CN2887816Y (en) * 2006-04-17 2007-04-11 周国海 Operation platform unit in assembly line

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105161267A (en) * 2015-09-22 2015-12-16 刘伟 Inductive reactance decreasing linear controllable inductor, electronic circuit and electromechanical equipment
CN108861947A (en) * 2018-08-16 2018-11-23 东莞市皓奇企业管理服务有限公司 Elevator loses the application method of protective device
CN108861947B (en) * 2018-08-16 2020-01-07 上海汉神机电股份有限公司 Using method of elevator falling protection device
CN109444217A (en) * 2018-10-17 2019-03-08 合浦县卫生计生监督所 Water monitoring device
CN109227590A (en) * 2018-10-18 2019-01-18 中国矿业大学 A kind of magnetic fluid machinery clamp hand
CN109462094A (en) * 2018-10-30 2019-03-12 阮鑫 A kind of television set anti-leakage plug

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Application publication date: 20120808

C02 Deemed withdrawal of patent application after publication (patent law 2001)