CN204239528U - A kind of disk type braker, power equipment and elevator drive system - Google Patents
A kind of disk type braker, power equipment and elevator drive system Download PDFInfo
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- CN204239528U CN204239528U CN201420627899.5U CN201420627899U CN204239528U CN 204239528 U CN204239528 U CN 204239528U CN 201420627899 U CN201420627899 U CN 201420627899U CN 204239528 U CN204239528 U CN 204239528U
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Abstract
The utility model relates to electric drive technology field, particularly relates to a kind of disk type braker, power equipment and elevator drive system.This disk type braker, comprising: circumference is fixed at least one friction disk in rotating shaft; The both sides of each friction disk are respectively arranged with the first braking member and the second braking member, and wherein the first braking member and the second braking member clamp corresponding friction disk when braking; Wherein this disk type braker also comprises: corresponding self-locking adjustment assembly set by each friction disk, and self-locking adjustment assembly regulates the position of corresponding friction disk on the axial direction of rotating shaft and locks.The utility model can regulate the gap of friction disk respectively and between the first braking member and the second braking member and lock, thus prevent the friction between friction disk and the first braking member or the second braking member and the situation producing noise occurs, make the application area of this disk type braker more extensive.
Description
Technical field
The utility model relates to electric drive technology field, particularly relates to a kind of disk type braker, power equipment and elevator drive system.
Background technique
Hoist machine is the power equipment of elevator, also known as elevator main, for conveying and transferring power, elevator is run.Hoist machine generally includes motor, break, coupling, traction sheave and frame etc., due to disk type braker, to have insensitivity high, be not vulnerable to the impact of external environment, namely there is the advantage such as thermostability and water stability, make it be widely used in the braking of elevators field.
But present inventor finds; circumferential being fixed in rotating shaft of mode that the friction disk of disk type braker adopts key to connect usually rotates along with the rotation of rotating shaft; the first braking member and the second braking member grip friction dish that lay respectively at friction disk both sides during braking realize braking; but when non-brake state; rocking appears in friction disk very easily in the axial direction; cause it often can produce collision friction with the first braking member or the second braking member, cause it cannot be applied to the application requiring noise little.
Model utility content
The utility model provides a kind of disk type braker, power equipment and elevator drive system, the friction disk with axis of rotation effectively can be prevented when non-brake and the first braking member or the second braking member produce collision friction and the situation producing noise occurs, make its application area more extensive.
For this reason, the utility model provides a kind of disk type braker, comprising: circumference is fixed at least one friction disk in rotating shaft;
The both sides of friction disk described in each are respectively arranged with the first braking member and the second braking member, and wherein said first braking member and the second braking member clamp corresponding described friction disk when braking;
Corresponding self-locking adjustment assembly described in each set by friction disk, described self-locking adjustment assembly regulates corresponding friction disk to lock to desired location on the axial direction of described rotating shaft, described desired location be described friction disk respectively and there is between described first braking member and described second braking member the first setting gap and second set gap.
In the technical program, compared to prior art, self-locking adjustment assembly can regulate the position of friction disk on the axial direction of rotating shaft and lock, the gap between friction disk and the first braking member is namely regulated to be in rational setting range, lock when the gap of friction disk and the second braking member is also in rational setting range simultaneously, and then under non-brake state, the friction disk rotated has gap respectively and between the first braking member and the second braking member, and this gap can be retrained, thus prevent the friction between friction disk and the first braking member or the second braking member and the situation producing noise occurs, make the application area of this disk type braker more extensive.
Concrete, described self-locking adjustment assembly comprises:
Corresponding annular elastic element described in each set by friction disk, the both sides of described annular elastic element abut shaft shoulder portion and the end face of corresponding described friction disk near described first braking member side of described rotating shaft respectively;
Corresponding friction disk described in each is set and be positioned at the self locking type adjustment piece of the side away from described first braking member.
Concrete, described annular elastic element is spring sheet, described self locking type adjustment piece comprises: be fixed on the adjustment plate in described rotating shaft, and at least two adjustment screws, wherein, the screw part adjusting screw described in each wears described adjustment plate and abuts the end face of described friction disk away from the side of described first braking member.
Concrete, described annular elastic element is spring sheet, and described self locking type adjustment piece is self locking type spring sheet.
The utility model additionally provides a kind of power equipment, comprising: motor, and the disk type braker described in aforementioned arbitrary technological scheme.Because this power equipment possesses above-mentioned disk type braker, therefore this power equipment can be applied to the occasion requiring noise less.This power equipment can be gearless driving machine.
The utility model still further provides a kind of elevator drive system, comprising: terraced case, and aforesaid power equipment, and described power equipment drives described terraced case motion.Because this elevator drive system possesses aforesaid power equipment, therefore, the noise of this elevator drive system is less, and application area is comparatively extensive.
Accompanying drawing explanation
The main TV structure schematic diagram of gearless driving lift machine one embodiment that Fig. 1 a provides for the utility model;
Fig. 1 b is the right TV structure schematic diagram of the gearless driving lift machine shown in Fig. 1 a;
The main TV structure schematic diagram of another embodiment of gearless driving lift machine that Fig. 1 c provides for the utility model;
Fig. 1 d is the right TV structure schematic diagram of the gearless driving lift machine shown in Fig. 1 c;
The cross section structure schematic diagram of AC asynchronous speed-regulating motor in the gearless driving lift machine that Fig. 2 provides for the utility model;
The part section structural representation of encoder installed position in gearless driving lift machine one embodiment that Fig. 3 provides for the utility model;
Fig. 4 provides the part section structural representation at the installing positions of bearings place of AC asynchronous speed-regulating motor in gearless driving lift machine one embodiment for the utility model;
Fig. 5 a is the enlarged diagram at A place in Fig. 4;
Fig. 5 b is the enlarged diagram at B place in Fig. 4;
Fig. 6 provides the part section structural representation at the installing positions of bearings place of AC asynchronous speed-regulating motor in another embodiment of gearless driving lift machine for the utility model;
Fig. 7 a is the enlarged diagram at A place in Fig. 6;
Fig. 7 b is the enlarged diagram at B place in Fig. 6;
Fig. 8 provides the part section structural representation at break place in gearless driving lift machine one embodiment for the utility model;
Fig. 9 provides the part section structural representation at break place in another embodiment of gearless driving lift machine for the utility model.
Reference character:
1-AC asynchronous speed-regulating motor 2-traction sheave
3-break 4-encoder
11-shell 12-stator 13-rotor
111-bearing hole 112-first collar groove 1121-first conical surface
121-stator iron core 122-staor winding
131-rotor iron core 132-rotor windings
14-rotating shaft 141-second collar groove 1411-second conical surface
142-shaft shoulder portion
15-bearing 151-outer ring 152-inner ring
16-first spring collar 17-second spring collar
31-friction disk 32-first braking member 33-second braking member
34-self-locking adjustment assembly 341-annular elastic element
342-self locking type adjustment piece 3421-adjustment plate 3422-adjusts screw
Embodiment
In the application requiring noise little, need the noise of the disk type braker reducing power equipment as much as possible, the disk type braker that the utility model provides, self-locking adjustment assembly can regulate the position of friction disk on the axial direction of rotating shaft and lock, the friction disk with axis of rotation effectively can be prevented when non-brake and the first braking member or the second braking member produce collision friction and the situation producing noise occurs, make its application area more extensive.
For more clearly understanding the utility model mode of execution, with reference to accompanying drawing, be described in detail with specific embodiment.
As Fig. 1 a ~ Fig. 1 d, and shown in Fig. 2, be the main TV structure schematic diagram of the gearless driving lift machine in the first embodiment of the present utility model, this gearless driving lift machine comprises: AC asynchronous speed-regulating motor 1, traction sheave 2, and break 3.
AC asynchronous speed-regulating motor 1 comprises: shell 11, is arranged at the stator 12 in shell 11 and rotor 13; Wherein, stator 12 comprises stator iron core 121 and staor winding 122, and staor winding 122 is fixed on stator iron core 121; Rotor 13 comprises rotor iron core 131, rotor windings 132 and rotating shaft 14, and rotor windings 132 is fixed on rotor iron core 131, and rotor iron core 131 is fixed in rotating shaft 14;
Traction sheave 2 is in transmission connection with the load side of rotating shaft 14, and break 3 is assemblied on AC asynchronous speed-regulating motor 1 for braking rotating shaft 14;
This gearless driving lift machine also comprises: the speed-adjusting and control system (not shown) operated with AC asynchronous speed-regulating motor 1 connection control AC asynchronous speed-regulating motor 1.
The relative movement of the rotating magnetic field that the working principle of the AC asynchronous speed-regulating motor 1 in the present embodiment produces specifically by stator 12 and rotor windings 132, rotor windings 132 cutting magnetic induction line produces induction electromotive force, thus make to produce induction current in rotor windings 132, and then induction current in rotor windings 132 and magnetic fields, producing electromagnetic torque makes rotor 13 rotate, thus by rotating shaft 14 outputting power of AC asynchronous speed-regulating motor 1.It should be noted that, in the present embodiment, stator iron core 121 adopts the silicon steel plate of general stacked setting, and staor winding 122 adopts general circular enameled cable.
In order to meet this requirement of the gearless driving lift machine slow-speed of revolution-large torque in prior art, motor must be realized by the mode increasing number of poles, motor in the present embodiment adopts AC asynchronous speed-regulating motor, can according to the applied environment of gearless driving lift machine, the i.e. requirement of elevator loading amount and ladder speed, determine diameter and the length of stator iron core and rotor iron core, and the frequency exporting the Ac of AC asynchronous speed-regulating motor to is reduced by speed-adjusting and control system, to obtain the AC asynchronous speed-regulating motor of different size, corresponding rotating speed and torque are provided, thus realize exporting the slow-speed of revolution-large torque, to meet the requirement that gearless driving lift machine drags elevator.It should be noted that, the concrete form of speed-adjusting and control system is not limit, such as, can be servo-system, or frequency variator etc., as long as the frequency reducing the Ac exporting AC asynchronous speed-regulating motor to can be realized, AC asynchronous speed-regulating motor is made to export the slow-speed of revolution-large torque.
When the gearless driving lift machine provided with the present embodiment is below applied to elevator dragging, according to the requirement of elevator loading amount and ladder speed, determine diameter and the length of stator iron core and rotor iron core, and reduced by speed-adjusting and control system and export the frequency of Ac on AC asynchronous speed-regulating motor to, technical parameter when obtaining the AC asynchronous speed-regulating motor work of different size is to illustrate the present embodiment.
As shown in table 1 below, model is the technical parameter that the AC asynchronous speed-regulating motor of YWY-1.5, YWY-1.6, YWY-1.7 tri-kinds of specifications works when load-carrying is 1000Kg.
Table 1
As shown in table 2 below, model is the technical parameter that the AC asynchronous speed-regulating motor of YWY-1.5, YWY-1.6, YWY-1.7 tri-kinds of specifications works when load-carrying is 1150Kg.
Table 2
As shown in table 3 below, model is the technical parameter that the AC asynchronous speed-regulating motor of YWY-1.5, YWY-1.6, YWY-1.7 tri-kinds of specifications works when load-carrying is 1250Kg.
Table 3
As shown in table 4 below, model is the technical parameter that the AC asynchronous speed-regulating motor of YWY-2.5, YWY-3.0, YWY-4.0 tri-kinds of specifications works when load-carrying is respectively 1000Kg, 1250Kg and 1350Kg.
Table 4
As shown in table 5 below, model is the technical parameter that the AC asynchronous speed-regulating motor of YWY-2.0, YWY-2.5, YWY-3.0, YWY-4.0 tetra-kinds of specifications works when load-carrying is respectively 1600Kg, 2000Kg.
Table 5
As can be seen from table 1 ~ table 5, as load-carrying≤2T, during ladder speed≤4m/s, the cos φ (power factor) of the AC asynchronous speed-regulating motor in the gearless driving lift machine that the present embodiment provides is all between 0.89 ~ 0.91, the efficiency of AC asynchronous speed-regulating motor is between 85% ~ 92%, and especially terraced speed is higher, and the efficiency of AC asynchronous speed-regulating motor is higher, energy efficiency indexes (efficiency of motor and the product of power factor) is higher, and namely energy consumption is lower.That is in the gearless driving lift machine that the present embodiment provides, diameter and the length of different stator iron cores and rotor iron core is adopted by AC asynchronous speed-regulating motor, adopt the frequency reducing Ac when exporting setting torque can realize the output of the slow-speed of revolution-large torque simultaneously, meet the requirement that elevator drags, and the number of poles of the asynchronous speed-adjustable motor that do not need to increase exchanges, make the efficiency of AC asynchronous speed-regulating motor higher, energy consumption is lower, and because the number of poles of the asynchronous speed-adjustable motor that do not need to increase exchanges makes the producting process difficulty of AC asynchronous speed-regulating motor reduce, cost is lower, and adopt the maintenance of equipment of existing Asynchronous Communication asynchronous speed-adjustable motor just can realize maintenance, and then the cost of gearless driving lift machine is reduced greatly.
The motor technology parameter in the gearless driving lift machine and existing permanent magnetism synchronization gear wheel free transmission elevator hoist machine that the present embodiment provides is given in table 6.
Table 6
Wherein, the current value in table 6 in note 1 after "/" is the sample current of the permanent magnet synchronous motor in certain company's gearless driving lift machine; Energy efficiency indexes (efficiency of motor and the product of power factor) in note 2 after "/" calculates according to above-mentioned sample current to obtain.
As can be seen from Table 6, the electric current of AC asynchronous speed-regulating motor in the gearless driving lift machine that the present embodiment provides under each operating mode is all less than the sample current of permanent magnet synchronous motor under corresponding operating mode, its energy efficiency indexes is greater than the energy efficiency indexes of permanent magnet synchronous motor under corresponding operating mode, therefore obviously energy-conservation when elevator drags of the gearless driving lift machine that provides of the present embodiment; Motor simultaneously in the gearless driving lift machine that provides of the present embodiment is AC asynchronous speed-regulating motor, but also comprise and to be connected with AC asynchronous speed-regulating motor and to control the speed-adjusting and control system that AC asynchronous speed-regulating motor operates, AC asynchronous speed-regulating motor in the present embodiment is had can start continually and brake, starting current be less and run the little advantage of noise.
Further, the gearless driving lift machine that the utility model second embodiment provides, on the basis of the first embodiment, rotor iron core 131 all adopts the silicon steel plate of stacked setting, and rotor windings 132 is cast-aluminum rotor winding.In prior art, adopt the rotor of permanent magnet type, permanent-magnet material be very easily subject to high temperature or oxide etch impact and occur demagnetize possibility, the stability of the outputting power of motor is reduced, greatly reduce elevator operation safety reliability; And permanent-magnet material exploitation often causes the severe contamination of surrounding environment to cause; And be made up of rotor iron core 131 and rotor windings 132 due to the rotor in the present embodiment, and rotor iron core 131 adopts silicon steel plate, rotor windings 132 adopts cast aluminum type rotor windings, and the material source of silicon steel plate and cast-aluminum rotor is stablized, belong to conventional material, less on the impact of surrounding environment during making; And there is not the possibility of demagnetization, make the stability of the outputting power of AC asynchronous speed-regulating motor higher, and then make the operational reliability of gearless driving lift machine higher.
It should be noted that; with reference to shown in Fig. 3; when AC asynchronous speed-regulating motor 1 is applied to gearless driving lift machine; usually also in the rotating shaft 14 of AC asynchronous speed-regulating motor 1, velocity feedback element is equipped with; such as encoder 4 or rotary transformer, to detect the rotating speed of rotating shaft and by this speed feedback to speed-adjusting and control system, speed-adjusting and control system is according to the rotating speed of program control AC asynchronous speed-regulating motor of setting and torque; as shown in Figure 3, encoder is assemblied in rotating shaft 14.In order to obtain checkout value comparatively accurately and improve the control accuracy of driver, need the rotating shaft 14 of AC asynchronous speed-regulating motor in the axial direction without play.
For this reason, the gearless driving lift machine that the utility model the 3rd embodiment provides, with reference to Fig. 4, shown in Fig. 5 a and Fig. 5 b, on the basis of previous embodiment, AC asynchronous speed-regulating motor also comprises the bearing 15 be sheathed in rotating shaft 14 be arranged in shell 11, and the first spring collar 16 of the outer ring 151 of axial limiting bearing 15, and the second spring collar 17 of the inner ring 152 of axial limiting bearing 15, wherein, shell 11 offers the bearing hole 111 of accommodating bearing 15 and the first collar groove 112 of accommodating first spring collar 16, rotating shaft 14 offers the second collar groove 141 of accommodating second spring collar 17.
In the present embodiment, the first spring collar 16 is placed in the first collar groove 112, abuts with the outer ring 151 of bearing 15, and coordinates outer ring 151 axially locating of bearing 15 with the bearing hole of shell 11; Second spring collar 17 is placed in the second collar groove 141, abuts with the inner ring 152 of bearing 15, and coordinates inner ring 152 axially locating of bearing 15 with the shaft shoulder portion 142 of rotating shaft 14.Thus rotating shaft 14 is axially located in the effect of shell 11 and bearing 15, velocity feedback element is made to obtain checkout value comparatively accurately, and improve the control accuracy of speed-adjusting and control system, and then improve operational reliability and the stationarity of gearless driving lift machine.
Continue with reference to shown in Fig. 5 a, the form of the first collar groove 112 has multiple, such as, adopt the form of straight trough, and namely the first collar groove is cylinder type groove.But, when the first collar slot cylinder type groove, because the foozle of the processing technology precision of the first collar groove and the thickness of the first spring collar itself affects, can be arranged in the first collar groove to make the first spring collar, the difference of the axial dimension of the first collar groove and the thickness of spring collar can only be principal-employment, that is after AC asynchronous speed-regulating motor installation, AC asynchronous speed-regulating motor dimensional chain in the axial direction has gap delta 1, therefore effectively cannot ensure that rotating shaft 14 is without axial float.
For this reason, on the basis of above-described embodiment, as shown in Fig. 6 and Fig. 7 a, the gearless driving lift machine that 4th embodiment of the present utility model provides, first collar groove 112 is that the first conical surface 1121, first conical surface 1121 abutted against with the first spring collar 16 reduces along the diameter on the direction away from outer ring 151 away from the sidewall of outer ring 151.
When the first collar groove is that diameter is along during away from the first conical surface that the direction of outer ring reduces away from the sidewall of outer ring, due to the expansivity of conical surface, the difference of the thickness of the axial dimension of the first collar groove and spring collar can be processed as minus tolerance, first spring collar 16 also can be arranged in the first collar groove 114, and this first conical surface 1121 can by the first spring collar 16 outer ring 151 being pressed in bearing 15 tightly, thus by the outer ring axially locating of bearing, make it without axial float, thus effectively reduce the axial float displacement of rotating shaft.It should be noted that, be only a kind of example shown in Fig. 6 and Fig. 7 a, in fact the part that abuts against of the first collar groove 112 and the first spring collar 16, is conical surface, and that is, the sidewall of the first collar groove 112 can be some or all of is conical surface.
As from the foregoing, the present embodiment can when not improving processing technology precision, effectively reduce the axial float displacement of rotating shaft 14, velocity feedback element is made to obtain checkout value comparatively accurately, and improve the control accuracy of speed-adjusting and control system, and then improve operational reliability and the stationarity of gearless driving lift machine.
Shown in Fig. 5 b, second collar groove adopts the form of straight trough, when namely the second collar groove is cylinder type groove, because the foozle of the processing technology precision of the first collar groove and the thickness of the first spring collar itself affects, can be arranged in the first collar groove to make the first spring collar, after AC asynchronous speed-regulating motor installation, AC asynchronous speed-regulating motor dimensional chain in the axial direction has gap delta 2.Therefore, preferred further, on the basis of above-mentioned 4th embodiment, continue with reference to shown in Fig. 6 and Fig. 7 b, in the gearless driving lift machine that the utility model the 5th embodiment provides, second collar groove 141 is that the second conical surface 1411, second conical surface 1411 abutted against with the second spring collar 17 increases along away from the diameter on the direction of inner ring away from the sidewall of inner ring 152.
Similar with aforesaid beneficial effect, due to the expansivity of conical surface, the difference of the thickness of the axial dimension of the second collar groove and the second spring collar can be processed as minus tolerance, second spring collar 17 also can be arranged in the second collar groove 141, and this second conical surface 1411 can by the second spring collar 17 inner ring 152 being pressed in bearing 15 tightly, thus by the inner ring axially locating of bearing, make it without axial float, now because the outer ring of bearing and inner ring are all axially located, therefore the displacement effectively reducing the axial float of rotating shaft even makes this displacement be zero.Equally, the sidewall of the second collar groove 141 can be some or all of is conical surface.
As from the foregoing, in the present embodiment, on the outer ring that first spring collar and the second spring collar are tightly pressed in bearing respectively and inner ring, thus can when not improving processing technology precision, the axial float displacement effectively reducing rotating shaft even makes this displacement be zero, make velocity feedback element obtain checkout value comparatively accurately, and improve the control accuracy of speed-adjusting and control system, and then improve operational reliability and the stationarity of gearless driving lift machine.
In the aforementioned embodiment, the angle α of the side end face of the first conical surface and the first spring collar is preferably within the scope of 0 ° ~ 45 °; Certainly, the angle β of the side end face of the second conical surface and the second spring collar also can preferably within the scope of 0 ° ~ 45 °.
It should be noted that; the operating mode of elevator brake when gearless driving lift machine is usually also operated in flat bed or has a power failure; now gearless driving lift machine is configured with break usually; the concrete form of break is not limit; can be such as disk type braker (shown in Fig. 1 a) also can be drum brake (shown in Fig. 1 c).When break adopts disk type braker, the mode circumference that friction disk adopts key to connect usually is fixed in rotating shaft and rotates along with the rotation of rotating shaft, and reliably do not locate in the axial direction, lay respectively at the first braking member of friction disk both sides and the second braking member grip friction dish when braking thus realize braking, but when non-brake state, because friction disk is not reliably located in the axial direction, therefore can produce friction noise with the first braking member or the second braking member, the occasion requiring noise little cannot be applied to.
For this reason, the gearless driving lift machine that the utility model the 6th embodiment provides, on the basis of aforementioned any embodiment, as shown in Figure 8, break 3 is disk type braker, and it comprises: circumference is fixed on a friction disk 31 in rotating shaft 14;
The both sides of friction disk 31 are respectively arranged with the first braking member 32 and the second braking member 33, and wherein the first braking member 32 and the second braking member 33 clamp corresponding friction disk 31 when braking;
And the self-locking adjustment assembly 34 set by corresponding friction disk 31, self-locking adjustment assembly 34 regulates corresponding friction disk 31 to lock to desired location on the axial direction of rotating shaft 14, this desired location be friction disk 31 respectively and between the first braking member 32 and the second braking member 33, there is the first setting gap and second and set gap.
Owing to only there is a friction disk at this disk type braker, be therefore defined as single disc-type break.Due in the using process of single disc-type break, usual first braking member is fixed with the relative AC asynchronous speed-regulating motor 1 of in the second braking member, another can move along axis, and the braking member that definition and AC asynchronous speed-regulating motor are fixed is brake disc, can be defined as armature along the braking member of axis movement.As shown in Figure 8, the first braking member 32 relatively AC asynchronous speed-regulating motor is fixed, and is defined as brake disc; Second braking member 33 can move along axis, is defined as armature; First setting gap and the second value setting gap are not specifically limit, and the concrete structure according to disk type braker and rotating shaft is determined.
The gearless driving lift machine that the present embodiment provides, self-locking adjustment assembly regulates the position of friction disk 31 on the axial direction of rotating shaft 14 and locks, that is can regulate the gap of friction disk 31 respectively and between brake disc 32 and armature 33 and lock, the gap d 1 of friction disk and brake disc is made to be in rational setting range, such as within the scope of 0.25mm ~ 0.5mm, make the gap d 2 of friction disk and armature also be in rational setting range simultaneously, thus make under non-brake state, the friction disk rotated has gap respectively and between brake disc and armature, and this gap can be retrained, thus prevent the friction between friction disk and brake disc or armature and the situation producing noise occurs, that is the friction noise between sound parts in disk type braker 3 is effectively reduced.
The concrete form of self-locking adjustment assembly has multiple, and such as in one embodiment, self-locking adjustment assembly 34 comprises:
Each annular elastic element 341 set by friction disk 31 corresponding, the both sides of this annular elastic element 341 abut shaft shoulder portion and the end face of corresponding friction disk 31 near the first braking member 32 side of rotating shaft 14 respectively;
Each friction disk 31 corresponding is set and be positioned at the self locking type adjustment piece 342 of the side away from the first braking member 32.
With reference to shown in Fig. 8, left side in the drawings, annular elastic element 341 is arranged in rotating shaft 14, the kind of annular elastic element 341 has multiple, such as, when being spring sheet, both sides are connected to the shaft shoulder portion of rotating shaft 14 and corresponding friction disk 31 respectively on the end face of the first braking member 32 side, conflict in the left side (left side in Fig. 8) of friction disk in the side that such as spring sheet protrudes, make it produce a thrust to the right, friction disk 31 is not contacted with brake disc (the first braking member 32); Right side in the drawings, self locking type adjustment piece 342 is positioned on the right side of friction disk 31, the adjustment position of friction disk 31 in rotating shaft 14, until friction disk 31 and the gap between brake disc (the first braking member 32) and armature (the second braking member 33) are for reasonably to set gap, locking.So far, the position adjustment of friction disk is complete.
Certainly, the form of self locking type adjustment piece also has multiple, and such as, self locking type adjustment piece is self locking type spring sheet; Certainly, continue with reference to shown in Fig. 8, self locking type adjustment piece 342 also can comprise: be fixed on the adjustment plate 3421 in rotating shaft 14, and at least two adjustment screws 3422, wherein, the screw part of each adjustment screw 3422 wears adjustment plate 3421 and abuts the end face of friction disk 31 away from the side of the first braking member 32.
The concrete quantity of adjustment screw is not limit, can be two, three or more.Be in course of adjustment, turn adjustment screw, friction disk can be made to move to the left side in figure or right side, after adjustment, tighten the nut of adjustment screw.
Above-described embodiment illustrates with single disc-type break, certainly, with reference to shown in Fig. 9, gearless driving lift machine also can adopt polydisc linkage brake, now in order to effectively prevent the friction between friction disk and brake disc or armature and the situation producing noise occurs, that is in order to effectively reduce the friction noise in disk type braker 3 between sound parts, as shown in Figure 9, each self-locking adjustment assembly 34 set by friction disk 31 corresponding, self-locking adjustment assembly 34 regulates the position of corresponding friction disk 31 on the axial direction of rotating shaft 14 and locks.Adjustment mode is the same, does not repeat them here.
Further, disk type braker in the utility model preferably can adopt electromagnetic brake, the braking of electromagnetic brake can be realized when needing to brake by power-off or energising, being a kind of automated execution element, the automaticity of gearless driving lift machine motion can be improved.
It should be noted that at this, above-described embodiment can combination in any as required, thus realizes corresponding function; First spring collar, the second spring collar, the first collar groove, the second collar groove, the first conical surface and the second conical surface, only for distinguishing each component, are not used for limiting the quantity of these component.Although each embodiment of the present utility model have employed AC asynchronous speed-regulating motor so that the utility model to be described, but the disk type braker that the utility model provides can be applied to be needed to realize rotating shaft braking arbitrarily, and the application that noise is less, such as, the occasion in elevator drive system such as autosynchronous motor or direct current motor can be applied to.
Be described in detail specific implementation of the present utility model with reference to accompanying drawing above, obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (7)
1. a disk type braker, is characterized in that, comprising: circumference is fixed at least one friction disk in rotating shaft;
The both sides of friction disk described in each are respectively arranged with the first braking member and the second braking member, and wherein said first braking member and the second braking member clamp corresponding described friction disk when braking;
Corresponding self-locking adjustment assembly described in each set by friction disk, described self-locking adjustment assembly regulates corresponding friction disk to lock to desired location on the axial direction of described rotating shaft, described desired location be described friction disk respectively and there is between described first braking member and described second braking member the first setting gap and second set gap.
2. disk type braker as claimed in claim 1, is characterized in that, described self-locking adjustment assembly comprises:
Corresponding annular elastic element described in each set by friction disk, the both sides of described annular elastic element abut shaft shoulder portion and the end face of corresponding described friction disk near described first braking member side of described rotating shaft respectively;
Corresponding friction disk described in each is set and be positioned at the self locking type adjustment piece of the side away from described first braking member.
3. disk type braker as claimed in claim 2, it is characterized in that, described annular elastic element is spring sheet, described self locking type adjustment piece comprises: be fixed on the adjustment plate in described rotating shaft, and at least two adjustment screws, wherein, the screw part adjusting screw described in each wears described adjustment plate and abuts the end face of described friction disk away from the side of described first braking member.
4. disk type braker as claimed in claim 2, it is characterized in that, described annular elastic element is spring sheet, and described self locking type adjustment piece is self locking type spring sheet.
5. a power equipment, is characterized in that, comprising: motor, and as arbitrary in Claims 1 to 4 as described in disk type braker.
6. power equipment as claimed in claim 5, it is characterized in that, described power equipment is gearless driving lift machine.
7. an elevator drive system, is characterized in that, comprising: terraced case, and the power equipment as described in claim 5 or 6, and described power equipment drives described terraced case motion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627899.5U CN204239528U (en) | 2014-10-27 | 2014-10-27 | A kind of disk type braker, power equipment and elevator drive system |
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|---|---|---|---|
| CN201420627899.5U CN204239528U (en) | 2014-10-27 | 2014-10-27 | A kind of disk type braker, power equipment and elevator drive system |
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| CN204239528U true CN204239528U (en) | 2015-04-01 |
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| CN201420627899.5U Expired - Fee Related CN204239528U (en) | 2014-10-27 | 2014-10-27 | A kind of disk type braker, power equipment and elevator drive system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927685A (en) * | 2016-07-08 | 2016-09-07 | 济南时代试金试验机有限公司 | Clearance-adjustable clutch brake of testing machine |
| CN107120364A (en) * | 2017-05-02 | 2017-09-01 | 苏州蒙特纳利驱动设备有限公司 | Energy saving A. C permanent magnetic synchronous traction machine brake gear |
| CN108367883A (en) * | 2015-09-03 | 2018-08-03 | 奥的斯电梯公司 | Elevator brake |
| CN111442040A (en) * | 2020-04-13 | 2020-07-24 | 珠海格力电器股份有限公司 | Brake and motor |
| US11492238B2 (en) | 2018-10-19 | 2022-11-08 | Otis Elevator Company | Elevator brake |
-
2014
- 2014-10-27 CN CN201420627899.5U patent/CN204239528U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108367883A (en) * | 2015-09-03 | 2018-08-03 | 奥的斯电梯公司 | Elevator brake |
| CN105927685A (en) * | 2016-07-08 | 2016-09-07 | 济南时代试金试验机有限公司 | Clearance-adjustable clutch brake of testing machine |
| CN107120364A (en) * | 2017-05-02 | 2017-09-01 | 苏州蒙特纳利驱动设备有限公司 | Energy saving A. C permanent magnetic synchronous traction machine brake gear |
| US11492238B2 (en) | 2018-10-19 | 2022-11-08 | Otis Elevator Company | Elevator brake |
| CN111442040A (en) * | 2020-04-13 | 2020-07-24 | 珠海格力电器股份有限公司 | Brake and motor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Disk brake, power unit and lift traction system Effective date of registration: 20160823 Granted publication date: 20150401 Pledgee: Yang Sen Pledgor: BEIJING JUCIYUAN MOTOR Co.,Ltd. Registration number: 2016990000729 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20150401 Termination date: 20211027 |