CN203372948U - Magnetic suspension device of elevator - Google Patents
Magnetic suspension device of elevator Download PDFInfo
- Publication number
- CN203372948U CN203372948U CN201320303911.2U CN201320303911U CN203372948U CN 203372948 U CN203372948 U CN 203372948U CN 201320303911 U CN201320303911 U CN 201320303911U CN 203372948 U CN203372948 U CN 203372948U
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- guide
- magnet unit
- magnet
- guide rail
- elevator
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Abstract
The utility model discloses a magnetic suspension device of an elevator. The device is combined with a guide rail in an embedded mode, and a permanent magnetic field and an electromagnetic filed are generated between the device and the guide rail so that a lift car can suspend on the guide rail. Due to adjustment of the permanent magnetic field and the electromagnetic filed between the guide rail and the guide device, the lift car can suspend on the guide rail, and the origin of elevator swinging and friction noise is eliminated. Actual lossless control is achieved, control difficulty is reduced, and the comfort in taking an elevator is greatly improved. Besides, due to adjustable design of a permanent magnet, the utilization rate of the permanent magnet is improved.
Description
Technical field
The utility model relates to a kind of lift car technology, is specifically related to a kind of lift car or floats guide piece to reusing magnetic.
Background technology
Now widely used lift car is along the upper and lower operation of guide rail be vertically mounted in access trunk, the reason such as inhomogeneous of not the overlapping of the distortion while assembling due to car frame, car frame center of gravity and sling point, car internal load, make car take sling point before and after centre of gration or left and right directions tilts.General, respectively join at the upper and lower beam of car two ends that an assembly guidance is normally led boots or the rolling guide wheel is embedded on guide pass, play as the upper and lower operation directional tagging of car and rely on it and the balance of the bearing force of guide rail maintenance car.
Overbalance due to car, lead boots or rolling guide wheel usually used as guide piece are that contact is on guide pass on one or several direction, when car moves up and down, the unfairness meeting of the cut of guide rail surface, distortion and rail joint is passed on car by guide piece, makes car produce and rocks and noise.
For solving the above-mentioned cage operation produced that contacts with guide pass due to guide piece, rock and noise, thereby a lot of documents of having announced, patent or product utilization electromagnet or electromagnet add, the method for permanent magnet is controlled guide piece and guide pass produces the purpose that gap reaches reduction rock of car and noise.But, the magnet unit structure of the data introductions such as above-mentioned document mostly is " E " font, three magnetic poles plane of three directions of corresponding guide rail is respectively arranged, this structure, when system will be adjusted the gap of one of them direction, due to electromagnetic circuit close coupling effect, certainly will produce adverse influence to two other direction.The difficulty of control and the loss of electric power have been increased.
The utility model content
The utility model produces the problem of vibration and noise for existing common contact-type guide piece, and the control of " E " type magnetic suspension guide shoe all directions interferes with each other, the problem that loss is large, and a kind of novel elevator magnetic suspension guide piece is provided.This guide piece by adjust that permanent magnet and electromagnet produce to guide rail magnetic force, make lift car not contact with guide rail, reach elevator along the steady effect of operation up and down of guide rail, the actv. solution has the existing problem of guide piece now.
In order to achieve the above object, the utility model adopts following technical scheme:
Elevator magnetic suspension guide piece, described guide piece and guide rail are chimeric, and between generation permanent magnet field and electromagnetism magnetic field, make car be suspended on guide rail.
In preferred embodiment of the present utility model, described guide piece comprises:
Pedestal;
Auxiliary guide wheels, described auxiliary guide wheels is fixed on pedestal, and with the corresponding free-running fit of guide pass on three directions of cage guide, and, when the lift car abnormal tilts, auxiliary guide wheels contacts cooperation with cage guide, assist guiding;
The magnet unit outer cover, described magnet unit outer cover is installed on pedestal;
Magnet unit, described magnet unit is installed in the magnet unit outer cover, and with three direction corresponding matching of cage guide, produce permanent magnet field and electromagnetism magnetic field on three directions;
Rang sensor, described rang sensor is installed in the magnet unit outer cover, with magnet unit, matches, and surveys magnet unit and the gap length of cage guide on three directions.
Further, described magnet unit comprises C core, some permanent magnetic iron blocks, some pieces unshakable in one's determination and magnet coil, described some permanent magnetic iron blocks and some piece detouchables unshakable in one's determination are placed in C core, described magnet coil is placed in C core, the opening of described C core is relative with corresponding guide pass on cage guide, and form an independent magnetic loop with guide rail, thereby produce electromagnetic attraction between magnet unit and guide rail, the size of this electromagnetic attraction is adjusted by the control electric current in magnet coil.
Further, described permanent magnetic iron block and piece unshakable in one's determination are at least two.
Further, described magnet unit outer cover is comprised of magnet unit shell and outer cover cover plate.
The elevator magnetic suspension guide piece that the utility model provides, adjustment by permanent magnet field between guide rail and guide piece and electromagnetism magnetic field, make car be suspended on guide rail, thereby eliminated elevator and rocked the root with friction noise, accomplish real harmless control, reduced the difficulty of controlling, greatly improved the elevator ride comfort; In addition, the design of the capable of regulating of permanent magnet, improved the permanent magnet degree of utilization.
The accompanying drawing explanation
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
The structural representation that Fig. 1 is the magnetic suspension guide piece;
Fig. 1 a is magnetic suspension guide piece overall schematic;
The structural representation that Fig. 2 is magnet unit;
The overall schematic that Fig. 2 a is magnet unit;
Fig. 3 is the installation site schematic diagram of magnetic suspension guide piece in elevator;
Fig. 4 is that in Fig. 3, A partly overlooks enlarged drawing;
Fig. 5 is for adjusting Y1, the Y2 schematic diagram to permanent magnetic iron block in magnet unit and piece unshakable in one's determination;
Fig. 6 is for adjusting Y1, the Y2 schematic diagram to size of current, direction in magnet coil in magnet unit;
The permanent magnet flux pattern that Fig. 7 is Y1, Y2, X1 three-dimensional magnet unit and guide rail.
Nomenclature wherein:
100-elevator magnetic suspension guide piece; The 101-pedestal; The 102-auxiliary guide wheels; 103-magnet unit outer cover; The 104-magnet unit; The 105-rang sensor; The 101a-resettlement groove; 103a-magnet unit shell; The 103b-outside housing cover; The 103c-resettlement groove; 104a-Y1 is to magnet unit; 104b-Y2 is to magnet unit; 104c--X1 is to magnet unit; The 1041-supporting seat; The 1042-iron core; The 1043-magnet coil; The 1044-permanent magnetic iron block; 1045-piece unshakable in one's determination; The 1046-cover plate; The 1047-bolt of rear end plate; 104a1-Y1 is to the permanent magnet on magnet unit; 104a2-Y1 is to the piece unshakable in one's determination on magnet unit; 104a3-Y1 is to the gap of magnet unit and guide rail; 104b1-Y2 is to the permanent magnet on magnet unit; 104b2-Y2 is to the piece unshakable in one's determination on magnet unit; 104b3-Y2 is to the gap of magnet unit and guide rail; 105a-Y1 is to rang sensor; 105b-Y2 is to rang sensor; 105c-X1 is to rang sensor;
The 200-elevator; The 201-lift car; 202-car upper beam; The 203-car frame plank;
The 300-cage guide; The 301-base; The 302-vertical component effect; Y1, y2, tri-guide pass of x1-; Y1, Y2, tri-guide rail directions of X1-.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, the elevator magnetic suspension guide piece 100 that the utility model provides, mainly comprise pedestal 101, auxiliary guide wheels 102, magnet unit outer cover 103, magnet unit 104 and rang sensor 105 these five parts.
Wherein, pedestal 101, the framed structure of being made by metallic material, for being fixed on lift car 200(as shown in Figure 3 by whole guide piece 100), and for auxiliary guide wheels 102 being installed and being connected magnet unit outer cover 103; Be provided with resettlement groove 101a on this pedestal 101 simultaneously, when installing, cage guide 300 chimeric.
For cage guide 300, as shown in Figure 4, being specially a cross-sectional plane is T-shaped guide rail, base 301 and vertical component effect 302, consists of.Three guide pass y1, y2, x1 that in vertical component effect 302, three faces (two sides and end face) are guide rail, simultaneously, these three guide pass towards direction be three directions of guide rail, be designated as Y1, Y2 and X1, wherein Y1, Y2 mean two sides in vertical component effect 302 towards direction, X1 be end face towards direction.
When cage guide 300 coordinates with pedestal 101, the vertical component effect 302 on it is embedded in the resettlement groove 101a of pedestal 101 (as shown in Figure 4).
Magnet unit outer cover 103, made by non-magnetic material, in order to fixing and the built-in magnet unit 104 of protection, rang sensor 105.Magnet unit outer cover 103 integral body are placed on pedestal 101, and it consists of magnet unit shell 103a and the outer cover cover plate 103b that is mated, and magnet unit shell 103a and outer cover cover plate 103b are provided with and hold the resettlement groove 103c that cage guide 300 embeds.
Referring to Fig. 2 and Fig. 2 a, the magnet unit 104 in the utility model mainly comprises supporting seat 1041, iron core 1042, magnet coil 1043, some permanent magnetic iron blocks 1044, some pieces 1045 unshakable in one's determination, cover plate 1046 and bolt of rear end plate 1047.
Supporting seat 1041, for supporting and fixed installation magnet unit 104, can be placed in magnet unit 104 in magnet unit outer cover 103 by supporting seat 1041.
Unshakable in one's determination 1042 is " C " shaped iron core, and it is placed on supporting seat 1041, and is placed in magnet unit outer cover 103 when interior when supporting seat 1041, and the opening of " C " shaped iron core is relative with corresponding guide pass; Some permanent magnetic iron blocks 1044 of while, some pieces 1045 unshakable in one's determination detouchable respectively assign in " C " shaped iron core 1041, and magnet coil 1043 is placed in the middle part of " C " shaped iron core 1041.Thus, when magnet unit 104 corresponding matching, iron core 1042 in unit and guide rail form an independent magnetic loop, thereby produce electromagnetic attraction between magnet unit 104 and guide rail, and this suction can be adjusted size by the current control in magnet coil 1043.
In the utility model, in each magnet unit 104, permanent magnet 1044 and piece unshakable in one's determination 1045 adopt block structure, and adopt removably, are embedded in the inside unshakable in one's determination.When installing and using, be convenient to the inclined degree according to concrete lift car like this, selectively at inner permanent magnet or the piece unshakable in one's determination of inserting unshakable in one's determination, to reach best energy-conservation purpose.In each magnet unit, detouchable permanent magnet and piece unshakable in one's determination can adopt more than 2 or 2, and concrete distribution form can be determined according to the actual requirements.As an example, at the utility model, adopt 2 permanent magnets 1044 and 2 pieces 1045 unshakable in one's determination, in " C " shaped iron core 1041 upper and lowers, settle respectively a permanent magnet and a piece unshakable in one's determination.
Rang sensor 105 matches with magnet unit 104, is similarly three (for rang sensor 105a, 105b and 105c), with respect to magnet unit 104, is fixed on magnet unit outer cover 103 inside.Such three rang sensor 105a, 105b and 105c correspond respectively to three direction Y1 that embed the cage guide 300 in magnet unit outer cover 103 equally, Y2 and X1, in order to survey each magnet unit 104, with the gap length of the guide pass of corresponding guide rail, be the inclined degree of car, and the gap length information detected is fed back to system controller, system controller is adjusted size of current and the direction of magnet coil 1043 in respective magnet unit 104 according to the information received, make the state that reaches mutual balance between three magnet unit 104 in guide piece 100.
Referring to Fig. 3, the elevator magnetic suspension guide piece 100 formed thus can be applicable in vertical lift car type elevator 200.During use, adopt four elevator magnetic suspension guide piecees 100, these four elevator magnetic suspension guide piecees 100 are separately fixed at the upper beam 202 of lift car 201, the two ends of underbeam 203, simultaneously, lift car 201 is embedded on cage guide 300 by the magnetic suspension guide piece 100 that is fixed on the upper and lower beam of car two ends.These four elevator magnetic suspension guide piecees 100 coordinate with guide rail 300, and between produces permanent magnet field and electromagnetism magnetic field respectively, produce corresponding lift force at the place, four angles up and down of lift car 201, thereby make car be suspended on guide rail.
Referring to Fig. 4, owing between magnetic levitation device 100 and guide rail 300, thering is certain gap, lift car 201 can be by the traction of steel rope, along guide rail 300, move up and down, thereby eliminated elevator and rocked the root with friction noise, accomplish real harmless control, reduced the difficulty of controlling, greatly improved the elevator ride comfort.
When concrete the installation, in elevator magnetic suspension guide piece 100 pedestal 101 containing auxiliary guide wheels 102 with lift car 201 in access trunk after installation, if the Y1 that rang sensor detects to gap (i.e. the gap between corresponding magnet unit 104a and corresponding guide pass y1 on guide rail Y1 direction) be less than design value (gap of the Y2 direction now responded will be greater than design value), by Y1 to magnet unit 104a in permanent magnetic iron block take out with Y2 to piece exchange unshakable in one's determination in magnet unit 104b, the rest may be inferred by whole car totally four groups of magnetic suspension guide piecees adjust, make to have leisure under the suction that is tilted in permanent magnet of car and tentatively corrected.
When elevator normally moves, because the reasons such as car internal load variation cause car inclination, this tilt quantity is by after the rang sensor feedback system, system is carried out the size of correcting electromagnetic power by adjusting solenoid current, thereby correct the tilt quantity of car, make car keep being suspended in the state on guide rail.
Concrete adjustment is described as follows:
At first the symbol implication in Fig. 5 and 6 is described, in figure, " ↑ " means the direction of permanent magnet magnetic flux, and " ♂ " means the direction of electromagnet magnetic flux.In figure "----" mean that permanent magnet flux distributes, "-┄-" electromagnetism field flux distribution.
Referring to Fig. 5, it adjusts Y1, the Y2 schematic diagram to permanent magnetic iron block in magnet unit and piece unshakable in one's determination when the magnetic suspension guide piece is installed.When the magnetic suspension guide piece is installed, at first confirm the tilt condition of empty car under no load state, if Y1 does not even have to the gap 104a3 of magnet unit 104a and guide rail 300 is less than normal, after Y1 being taken out to the permanent magnet 104a1 on magnet unit 104a, with Y2, to the piece 104b2 unshakable in one's determination on magnet unit 104b, exchange, at this time Y1 to permanent magnetic diminish, Y2 to permanent magnetic become large, contribute to the rectification of car inclination; If Y2 does not even have to the gap of magnet unit 104b and guide rail 300 is less than normal, after Y2 can being taken out to the permanent magnet 104b1 on magnet unit 104b, with Y1, to the piece 104a2 unshakable in one's determination on magnet unit 104a, exchange; Again, the inclined degree that also can look car adopts two groups of permanent magnets of exchange and mode unshakable in one's determination, or takes out the depositional dip degree that permanent magnet or the mode of not putting into unshakable in one's determination are corrected car.
Referring to Fig. 6, when it moves for elevator, adjust Y1, the Y2 schematic diagram to size of current, direction in magnet coil in magnet unit.When elevator normally moves, if because the reasons such as the inhomogeneous variation of car internal load cause car to tilt to the Y2 direction, being Y1 diminishes gradually to the gap 104a3 of magnet unit 104a and guide rail 300, and Y2 becomes large gradually to the gap 104b3 between magnet unit 104b and guide rail 300, and when the gap width that feeds back 105a and 105b by rang sensor surpasses the setting value of design, control system by control Y1 to Y2 to direction of current and size in the magnet unit magnet coil, make at Y1 contrary with the permanent magnet flow direction to the flow direction of electromagnet in the iron core of magnet unit, consistent with the permanent magnet flow direction to the flow direction of electromagnet in the iron core of magnet unit at Y2, now comparatively speaking Y1 to magnetic force diminish, Y2 to magnetic force become large, making whole guide piece is that car is to Y1 to skew, in this migration process, adjust gradually electric current size until magnetic deviation and car tilting force does not reach balance the time, Y1 to Y2 to gap maintain in the design setting scope.
The car inclination be positioned on other each correspondence directions of orientation magnetic suspension guide piece on lift car is corrected, and guide pass and guide piece gap maintain and control all can be with reference to carrying out with upper type.
Above demonstration and described groundwork of the present utility model, principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. elevator magnetic suspension guide piece, is characterized in that, described guide piece and guide rail are chimeric, and between generation permanent magnet field and electromagnetism magnetic field, makes car be suspended on guide rail, and described guide piece comprises:
Pedestal;
Auxiliary guide wheels, described auxiliary guide wheels is fixed on pedestal, and with the corresponding free-running fit of guide pass on three directions of cage guide, and, when the lift car abnormal tilts, auxiliary guide wheels contacts cooperation with cage guide, assist guiding;
The magnet unit outer cover, described magnet unit outer cover is installed on pedestal;
Magnet unit, described magnet unit is installed in the magnet unit outer cover, and with three direction corresponding matching of cage guide, produce permanent magnet field and electromagnetism magnetic field on three directions;
Rang sensor, described rang sensor is installed in the magnet unit outer cover, with magnet unit, matches, and surveys magnet unit and the gap length of cage guide on three directions.
2. elevator magnetic suspension guide piece according to claim 1, it is characterized in that, described magnet unit comprises C core, some permanent magnetic iron blocks, some pieces unshakable in one's determination and magnet coil, described some permanent magnetic iron blocks and some piece detouchables unshakable in one's determination are placed in C core, described magnet coil is placed in C core, the opening of described C core is relative with corresponding guide pass on cage guide, and form an independent magnetic loop with guide rail, thereby produce electromagnetic attraction between magnet unit and guide rail, the size of this electromagnetic attraction is adjusted by the control electric current in magnet coil.
3. elevator magnetic suspension guide piece according to claim 2, is characterized in that, at least two of described permanent magnetic iron block and pieces unshakable in one's determination.
4. elevator magnetic suspension guide piece according to claim 2, is characterized in that, described magnet unit outer cover is comprised of magnet unit shell and outer cover cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320303911.2U CN203372948U (en) | 2013-05-30 | 2013-05-30 | Magnetic suspension device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320303911.2U CN203372948U (en) | 2013-05-30 | 2013-05-30 | Magnetic suspension device of elevator |
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| Publication Number | Publication Date |
|---|---|
| CN203372948U true CN203372948U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320303911.2U Expired - Fee Related CN203372948U (en) | 2013-05-30 | 2013-05-30 | Magnetic suspension device of elevator |
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| Country | Link |
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| CN (1) | CN203372948U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332552A (en) * | 2013-05-30 | 2013-10-02 | 上海吉亿电机有限公司 | Magnetic levitation guide device of elevator |
| CN108529385A (en) * | 2017-03-02 | 2018-09-14 | 通力股份公司 | Include the elevator of electric linear motor |
-
2013
- 2013-05-30 CN CN201320303911.2U patent/CN203372948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332552A (en) * | 2013-05-30 | 2013-10-02 | 上海吉亿电机有限公司 | Magnetic levitation guide device of elevator |
| CN108529385A (en) * | 2017-03-02 | 2018-09-14 | 通力股份公司 | Include the elevator of electric linear motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171123 Address after: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee after: Yungtay elevator equipment Co., Ltd. (China) Address before: 201615 Shanghai city Songjiang District town Jiuting Yaohan Road No. 77 Patentee before: Shanghai GIE EM Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190730 Address after: 201615 Shanghai city Songjiang District town Jiuting Yaohan Road No. 77 Patentee after: Shanghai GIE EM Co., Ltd. Address before: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee before: Yungtay elevator equipment Co., Ltd. (China) |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20210530 |