CN202376643U - Magnetic brake descent control device - Google Patents
Magnetic brake descent control device Download PDFInfo
- Publication number
- CN202376643U CN202376643U CN2011205404499U CN201120540449U CN202376643U CN 202376643 U CN202376643 U CN 202376643U CN 2011205404499 U CN2011205404499 U CN 2011205404499U CN 201120540449 U CN201120540449 U CN 201120540449U CN 202376643 U CN202376643 U CN 202376643U
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Abstract
The utility model discloses a magnetic brake descent control device. The magnetic brake descent control device comprises a shell, a bottom plate, a speed control device and a drive device; the shell covers the bottom plate; the speed control device and the drive device are arranged in a cavity formed by the shell and the bottom plate; the speed control device comprises a stator, a rotor and magnetic powder; the rotor is circular and rotates by taking a rotation shaft as a center; the rotation shaft is fixedly connected with the bottom plate; a rotor magnet is arranged on the outer edge of the rotor; the stator is fixed on the bottom plate, is annular, and surrounds the rotor; the stator and the rotor have the same circular center; the inner edge of the stator is provided with a stator magnet; a gap is reserved between the stator magnet and the rotor magnet; the adjacent magnetic poles of the stator magnet and the rotor magnet are opposite to each other; and the rotor is driven by the drive device to rotate around the rotation shaft. According to the magnetic brake descent control device, the aim of brake descent control is fulfilled by adopting permanent magnets through magnetic force; the magnetic brake descent control device is compact in structure; the magnetic force for brake is constant, and is not failed easily; abrasion or consumption of magnetic materials is avoided; and the magnetic brake descent control device is obvious in brake effect, and low in noise and convenient to use.
Description
[technical field]
The utility model relates to and slow falls escape device, relates in particular to a kind of slow escape device of falling that relies on magnetic braking.
[background technology]
Along with the continuous quickening of Urbanization in China, the continuous expansion of city size, the high building building is on the increase, but various high building disaster accidents also frequently take place simultaneously.In today that living standards of the people improve day by day, people also rise to a brand-new requirement to the consciousness and the measure of quality of life, life security.
Present small-sized escape device mainly is exactly a descending lifeline.Defectives such as though most of descending lifelines can reach this function of high-rise life saving, some product exists structural principle complicated, and complex operation, noise are big.Wherein most slow escape device of falling is that the frictional force that relies on friction material to produce reaches the slow purpose of falling of braking.Its weak point is; Used friction material must apply certain external force could produce suitable frictional force, makes when frictional rotation not can locking motionlessly, can not lose efficacy again and skid; And this applied force often is not constant in actual the use; Influence the effect of friction catch, as run into the motionless phenomenon of locking even need other mechanisms to assist to loosen, increased the complexity of mechanism thus.Friction material has certain wear through using for several times in addition, or easy inefficacy, the corresponding risk that strengthens follow-up use are not good in keeping.
[utility model content]
The technical problem that the utility model will solve provides a kind of magnetic braking descending lifeline.Its brake force is constant, is difficult for losing efficacy, and safe coefficient is high.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is that a kind of magnetic braking descending lifeline comprises housing, base plate, speed-controlling device and drive unit; Housing covers on the base plate, and speed-controlling device and drive unit are located in the cavity of housing and base plate formation, and speed-controlling device comprises stator, rotor and rotating shaft; Rotor is circular; Rotor is connected with rotating shaft, and rotating shaft is fixedly connected with base plate, and the outer rim of rotor is provided with rotor magnet; Stator is fixed on the base plate, and stator is an annular, and track ring is around the periphery of rotor; Stator and rotor are the same center of circle; The inner edge of stator is provided with magnets of stator, and magnets of stator and rotor magnet have the space at interval, and the adjacent pole of magnets of stator and rotor magnet is opposite pole each other; Rotor is rotated around the axis by the driving of drive unit.
As preferably, speed-controlling device also comprises magnetic, and magnetic is filled in magnets of stator and rotor magnet at interval in the described space and seal.
As preferably, magnets of stator is an annular magnet, and the magnetic pole of magnets of stator is respectively at interior ring and outer shroud; Rotor magnet is an annular magnet, and the magnetic pole of rotor magnet is respectively at interior ring and outer shroud; The interior ring magnetic pole of magnets of stator and the outer shroud magnetic pole of rotor magnet be opposite pole each other.
As preferably, rotor is connected with rotating shaft through bearing.
As preferably, rotor is provided with fan blade, and fan blade drives synchronously through rotor and rotates.
As preferably, cannelure is inwardly stretched out in stator inner edge bottom, and rotor magnet rotates in cannelure.
As preferably, drive unit comprises slow fall rope, rope sheave, driving gear and driven gear; The edge of rope sheave is provided with puts grooving, and rope sheave is coaxial with driving gear and be fixedly connected and be connected with base plate with wheel shaft through bearing, and driving gear and driven gear mesh; Driven gear is with rotor coaxial and be fixedly connected; The slow stage casing that falls rope is embedded in puts in the grooving.
As preferably, putting grooving is V-shaped groove.
As preferably, rope sheave is connected with wheel shaft through sliding bearing, and wheel shaft is fixed on the base plate.
As preferably, also comprise the suspension frenulum, the suspension frenulum is connected with the upper end of base plate; All parts are that center line is symmetrical set with the center vertical line of suspension frenulum.
The beneficial effect of the utility model is:
1) adopt permanent magnet to reach the slow purpose of falling of braking through magnetic force, compact conformation, braking effect is obvious, is difficult for inefficacy, easy to use, and noise is little;
2) magnetic force that is used to brake does not receive the influence of rotor speed by magnetic material decision and substantially constant;
3) set up stable magnetic field through the inner permanent magnetic body, be not vulnerable to the influence in peripheral magnetic field;
Not wearing and tearing or the loss of magnetic material when 4) using, nonexpondable risk is zero.
[description of drawings]
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the front view of the utility model magnetic braking descending lifeline embodiment 1.
Fig. 2 is the front view (removal housing) of the utility model magnetic braking descending lifeline embodiment 1.
Fig. 3 is the A-A cutaway view of Fig. 1.
Fig. 4 is the front view of the utility model magnetic braking descending lifeline embodiment 2.
Fig. 5 is the front view (removal housing) of the utility model magnetic braking descending lifeline embodiment 2.
Fig. 6 is the B-B cutaway view of Fig. 4.
Among the figure: 1-lower sheave, 2-top sheave, 3-base plate, 4-rope sheave, 401-driving gear, 5-sheave shaft, 6-copper sheathing, the slow rope that falls of 7-; The 8-rotating shaft, 9-axle sleeve, 10-rotor, 1001-driven gear, 1002-fan blade, 11-bolt, 12-sleeve; The 13-suspension ring, 14-bolt, 15-suspension strop, 16-stator, 17-cover plate, 18-rolling bearing, 19-rotor magnet; The 20-space, 201-magnetic, 21-magnets of stator, 22-housing, 23-pulley cover plate, 24-screw, 25-louvre.
[specific embodiment]
Embodiment 1:
Fig. 1 is a kind of magnetic braking descending lifeline, comprises housing 22, base plate 3, speed-controlling device and drive unit.Housing 1 covers on the base plate 3, and speed-controlling device and drive unit are located in the cavity of housing 22 and base plate 3 formations.Screw 24 is fixed on housing on the base plate, housing 22 have the fan-shaped louvre in 2 places 25 up and down.
In Fig. 2 and Fig. 3, speed-controlling device comprises stator 16, rotor 10 and rotating shaft 8.Rotor 10 is connected with rotating shaft 8 through rolling bearing 18, and rotating shaft 8 is fixed on the base plate 3.The outer rim of rotor 10 is fixed with rotor magnet 19 with the taper pin, and rotor magnet is an annular magnet, ring and outer shroud in its 2 magnetic poles lay respectively at.Stator 16 is fixed on the base plate 3 through sleeve 12, bolt 11 and nut; Stator 16 is a concentric circles with rotor 10; Stator 16 is looped around the periphery of rotor 10; The inner edge of stator is provided with magnets of stator 21, and magnets of stator 21 is annular magnet and the inner edge that embeds stator 16, and its 2 magnetic poles lay respectively at ring and outer shroud in the annular magnet.The inner edge diameter of magnets of stator 21 is greater than the external profile diameter of rotor magnet 19; Be provided with space 20 between the outer rim of the inner edge of magnets of stator 21 and rotor magnet 19; Magnets of stator 21 is not touched with rotor magnet 19 mutually, and magnets of stator 21 is positioned at magnetic pole that the magnetic pole that encircles and rotor magnet 19 be positioned at outer shroud opposite pole each other.Rotor magnet 19 rotates in the cannelure that stretch out the inner edge bottom of stator 16, and rotor magnet 19 did not touch cannelure when rotor 10 rotated.The spoke of rotor 10 is processed fan blade 1002, drive fan blade 1002 during rotor rotation and rotate synchronously, help working rotor to produce distributing of heat.The louvre 25 that fan blade 1002 cooperates on the housing 22 can make the cooling of descending lifeline edge work limit, thereby make the work temperature rise of descending lifeline controlled, guarantees the normal working performance of descending lifeline.
In Fig. 2 and Fig. 3, drive unit comprises slow rope 7, rope sheave 4, driving gear 401 and the driven gear 1001 of falling.The edge of rope sheave 4 is provided with puts grooving, and putting grooving is V-shaped groove, and the V-shaped groove inboard is provided with the small boss that increases frictional force.Rope sheave 4 and driving gear 401 are coaxial and be single piece, and it is connected with base plate 3 with sheave shaft 5 through copper sheathing 6, and driving gear 401 and driven gear 1001 mesh.The driven gear 1001 that is used to drive rotor rotation is located at the below of rotor 10, and driven gear is coaxial single piece with rotor 10.
Below rope sheave 4, be provided with pulley 1 and pulley 2, pulley 2 is arranged side by side two groups, and pulley 1 is located at the centre position, below of two groups of pulleys 2.Pulley 1 is contained on the pulley spindle separately with pulley 2, and an end of pulley spindle is fixed on the lower end of base plate 3, the other end be located at the pulley cover plate 23 of pulley 1 and be fixedly connected with pulley 2 tops.Pulley 1 can freely roll on pulley spindle separately with pulley 2.
The slow method of wearing of falling rope 7: shown in the dotted line among Fig. 2, a slow end that falls rope 7 passes the edge of pulley 1 and one group of pulley 2 respectively, walks around downwards from the first half of rope sheave 4V type groove to pass with pulley 1 edge from another group pulley 2 again.
Be provided with suspension ring 13 in the upper end of base plate, bolt 14 firmly is clamped in suspension ring 13 between angle bar and the base plate 3.Suspension strop 15 passes suspension ring 13, can with descending lifeline suspension be installed in below balcony, the windowsill or the outwardly directed support on roof on can use.
Because all parts in the present embodiment are that the center vertical line with the suspension frenulum is that center line is symmetrically arranged, when the survivor grips a slow end that falls rope when descending, can produce side force and cause the crooked and cisco unity malfunction of descending lifeline.
Kind or size and the magnetic power of present embodiment through changing magnets of stator and the used permanent magnet of rotor magnet can be made the descending lifeline that is fit to different decline weight ranges.
When being in an emergency; The survivor will delay ground outside the end input building that falls rope 7 on the high building; The other end that lays hold of a rope then; Under the effect of survivor's gravity, be in slow in the V-shaped groove and fall rope 7 frictions and drive rope sheaves 4 rotations, rope sheave 4 drives rotor 10 through driving gear and driven gear and rotates at a high speed.Because magnet 19 is opposite pole with the adjacent pole of magnets of stator 21; Its generation magnetic force that attracts each other when rotor 10 rotates at a high speed, just produces brake force between rotor 10 and the stator 16; This brake force makes the rotary speed of rotor be slowed to a certain degree; The rotation of rope sheave is limited by that rotor speed is also corresponding slows down, and slowly descends thereby rely on the friction of V-shaped groove to drive slow falling rope, makes to hold the survivor that rope descends and can drop to ground with the speed of safety.
Embodiment 2:
Fig. 4 is the front view of present embodiment, and it comprises housing 22, base plate 3, speed-controlling device and drive unit.Housing 1 covers on the base plate 3, and speed-controlling device and drive unit are located in the cavity of housing 22 and base plate 3 formations.Screw 24 is fixed on housing on the base plate, housing 22 have the fan-shaped louvre in 2 places 25 up and down.Therefore see that outside housing present embodiment and embodiment 1 are as broad as long.
The difference of present embodiment and embodiment 1 is that like Fig. 5 and shown in Figure 6, present embodiment will suitably enlarge in the space between magnets of stator 21 and the rotor magnet 19, and is filled with magnetic 201; Rotor magnet 19 rotates in the cannelure that stretch out the inner edge bottom of stator 16, spills for preventing magnetic, on cannelure, is covered with cover plate 17, and with the sealing ring sealing, rotor magnet 19 did not touch cannelure when rotor 10 rotated between cover plate and the cannelure.Because the space of magnetic 201 fillings between the magnetic field that rotor magnet 19 and magnets of stator 21 are set up; Magnetic 201 is magnetized under the magnetic field effect that rotor magnet 19 and magnets of stator 21 are set up; Produce the magnetic line of force, when rotor 10 rotates at a high speed, just produce brake force between rotor 10 and the stator 16; This brake force makes the rotary speed of rotor be slowed to a certain degree; The rotation of rope sheave is limited by that rotor speed is also corresponding slows down, and slowly descends thereby rely on the friction of V-shaped groove to drive slow falling rope, makes to hold the survivor that rope descends and can drop to ground with the speed of safety.The magnetic 201 that is filled in the space can the magnetic force enhancing so that magnetic field is stable.Other structures of present embodiment are identical with embodiment 1.
Because magnetic 201 temperature when rotor rotation can rise, on the rotor on the spoke set fan 1002 cooperates with fan-shaped louvre on the housing, can accelerate to dispel the heat, the work temperature rise of alleviation descending lifeline helps the magnetic prolongation in service life.
The quantity of present embodiment through changing used magnet kind of magnets of stator and rotor magnet or size and filling magnetic can be made the descending lifeline that is fit to different decline weight ranges.
Foregoing only is to what how the utility model was implemented to be done to give an example and explanation; Rather than the protection domain of restriction the utility model; Under the technical staff in present technique field described specific embodiment is made various modifications or replenish or adopt similar mode to substitute; Only otherwise depart from the structure of utility model or surmount the defined scope of these claims, all should belong to the protection domain of the utility model.
Claims (10)
1. a magnetic braking descending lifeline comprises housing, base plate, speed-controlling device and drive unit; Said housing covers on the base plate; Speed-controlling device and drive unit are located in the cavity of housing and base plate formation, it is characterized in that said speed-controlling device comprises stator, rotor and rotating shaft; Said rotor is circular; Rotor is connected with rotating shaft, and rotating shaft is fixedly connected with base plate, and the outer rim of rotor is provided with rotor magnet; Said stator is fixed on the base plate, and stator is an annular, and track ring is around the periphery of rotor; Stator and rotor are the same center of circle; The inner edge of stator is provided with magnets of stator, and magnets of stator and rotor magnet have the space at interval, and the adjacent pole of magnets of stator and rotor magnet is opposite pole each other; Said rotor is rotated around the axis by the driving of drive unit.
2. magnetic braking descending lifeline according to claim 1 is characterized in that described speed-controlling device also comprises magnetic, and magnetic is filled in magnets of stator and rotor magnet also seals in the described space at interval.
3. magnetic braking descending lifeline according to claim 1 is characterized in that, said magnets of stator is an annular magnet, and the magnetic pole of said magnets of stator is respectively at interior ring and outer shroud; Said rotor magnet is an annular magnet, and the magnetic pole of said rotor magnet is respectively at interior ring and outer shroud; The interior ring magnetic pole of said magnets of stator and the outer shroud magnetic pole of rotor magnet be opposite pole each other.
4. magnetic braking descending lifeline according to claim 1 is characterized in that, said rotor is connected with rotating shaft through bearing.
5. magnetic braking descending lifeline according to claim 1 is characterized in that said rotor is provided with fan blade, and fan blade drives synchronously through rotor and rotates.
6. magnetic braking descending lifeline according to claim 1 is characterized in that, cannelure is inwardly stretched out in said stator inner edge bottom, and rotor magnet rotates in cannelure.
7. magnetic braking descending lifeline according to claim 1 is characterized in that, said drive unit comprises slow fall rope, rope sheave, driving gear and driven gear; The edge of said rope sheave is provided with puts grooving, and rope sheave is coaxial with driving gear and be fixedly connected and be connected with base plate with wheel shaft through bearing, and said driving gear and driven gear mesh; Said driven gear is with rotor coaxial and be fixedly connected; The said slow stage casing that falls rope is embedded in puts in the grooving.
8. magnetic braking descending lifeline according to claim 5 is characterized in that, the said grooving of putting is a V-shaped groove.
9. magnetic braking descending lifeline according to claim 5 is characterized in that, said rope sheave is connected with wheel shaft through sliding bearing, and wheel shaft is fixed on the base plate.
10. according to any one described magnetic braking descending lifeline of claim 1-9, it is characterized in that also comprise the suspension frenulum, said suspension frenulum is connected with the upper end of base plate; All parts are that center line is symmetrical set with the center vertical line of suspension frenulum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205404499U CN202376643U (en) | 2011-12-16 | 2011-12-16 | Magnetic brake descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205404499U CN202376643U (en) | 2011-12-16 | 2011-12-16 | Magnetic brake descent control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202376643U true CN202376643U (en) | 2012-08-15 |
Family
ID=46625165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205404499U Withdrawn - After Issue CN202376643U (en) | 2011-12-16 | 2011-12-16 | Magnetic brake descent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202376643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500070A (en) * | 2011-12-16 | 2012-06-20 | 青岛海丽花边织带有限公司 | Magnetic brake descent control device |
| CN111840834A (en) * | 2020-07-23 | 2020-10-30 | 湖南理工学院 | Escape equipment with speed sensing control |
-
2011
- 2011-12-16 CN CN2011205404499U patent/CN202376643U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500070A (en) * | 2011-12-16 | 2012-06-20 | 青岛海丽花边织带有限公司 | Magnetic brake descent control device |
| CN102500070B (en) * | 2011-12-16 | 2013-12-18 | 青岛海丽花边织带有限公司 | Magnetic brake descent control device |
| CN111840834A (en) * | 2020-07-23 | 2020-10-30 | 湖南理工学院 | Escape equipment with speed sensing control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120815 Effective date of abandoning: 20131218 |
|
| RGAV | Abandon patent right to avoid regrant |