CN203212266U - Braking device - Google Patents
Braking device Download PDFInfo
- Publication number
- CN203212266U CN203212266U CN 201220641542 CN201220641542U CN203212266U CN 203212266 U CN203212266 U CN 203212266U CN 201220641542 CN201220641542 CN 201220641542 CN 201220641542 U CN201220641542 U CN 201220641542U CN 203212266 U CN203212266 U CN 203212266U
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- brake
- pole
- swivel
- extrusome
- brake body
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- Expired - Fee Related
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- Braking Arrangements (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a braking device for an elevator traction machine. Provided is a braking device capable of controlling change of brake clearance to be within a predetermined range by correcting the change of the brake clearance caused by temperature variation. A rotating body (11) is in contact with a braking body (12) confronting the rotating body (11) at a predetermined interval to realize braking; a telescopic body (26) with a different thermal expansion coefficient from the rotating body (11) is used as an interval adjustment mechanism ( 25 ) for adjusting the interval; and the change of the interval caused by the change of ambient temperature is controlled within the predetermined range through the expansion or contraction of the telescopic body (26).
Description
Technical field
The utility model relates to for the brake equipment on the elevator traction machine.
Background technology
Traction elevator is hung car and counterweight respectively on the rope ends that is wound on the head pulley of towing machine, and this towing machine is arranged at hoistway top, and the drive motor by towing machine comes the lifting car.S. A. at towing machine is equipped with the electromagnetic type brake equipment.
This electromagnetic type brake equipment has, open as shown in the flat 9-240936 communique as the spy, thereby make brake body be contacted with the spool type brake equipment of being braked on the brake wheel as swivel, with open as the spy as shown in the flat 8-73143 communique, thereby make brake body be contacted with the disc brake apparatus of being braked on the brake disc as swivel.
In these brake equipments, between swivel and the brake body that is in contact with it, accompany resin or the rubber constituent of so-called brake shoe or brake lining.These brake shoes or brake lining, and other metal parts that constitutes brake equipment, for example as brake wheel or the brake disc of contact object and the driver train parts that make these contact actions, because of the material difference, its thermal expansion coefficient is also different fully.Therefore, follow the variation of ambient temperature, brake clearance is exerted an influence.
That is, in these brake equipments, when brake off, magnet coil is switched on and driven brake body by driver train, thereby brake body is separated from swivel, yet when brake off, the interval of swivel and brake body (brake clearance) change.Usually, it is big that metallic materials such as resin or rubber constituent and iron are compared thermal expansion coefficient, so when temperature rose around, it is more that brake shoe or brake lining part and other parts are compared expansion.Therefore, the brake clearance during above-mentioned brake off narrows down.With respect to this, when ambient temperature descended, brake shoe or brake lining part were shunk more than other parts, so brake clearance is widened.
Like this, during the bigger variation of brake clearance, if under the narrower situation of the initial set value of brake clearance, brake clearance became narrower when ambient temperature rose, therefore the situation that brake body and swivel contact all the time may take place.In order to prevent this from occurring, the initial set value of brake clearance is set at when big, because brake clearance was further widened when ambient temperature descended, so brake body contact with swivel and causes taking place impulsive sound etc., the problem of the noise increase when having braking during the drg action.
The utility model content
Problem to be solved in the utility model is, provides a kind of variation of the brake clearance that can cause by Tc will change the brake equipment of control in specialized range.
The brake equipment that embodiment of the present utility model relates to, contact to brake with brake body by swivel, this brake body is across predetermined distance and the face-off of this swivel, it is characterized in that, thermal expansion coefficient is different from the extrusome of described swivel as the space regulating mechanism that is used for regulating described interval, and expansion or contraction by described extrusome, ambient temperature is changed the variation control at the described interval that causes in specialized range.
In addition, preferred described swivel is brake wheel, described brake body is installed on the pole, the length direction pars intermedia of this pole is supported by axle rotationally by fulcrum, thereby can or separate with described brake wheel contact, end in the side that described brake body is installed of described pole is provided with retarding spring, this retarding spring applies all the time this pole and makes described brake body be contacted with the turning effort of the direction of swivel, the other end of described pole is connected with plunger, this plunger rotates by the direction that described space regulating mechanism makes this pole separate to described brake body from swivel, described space regulating mechanism changes the expansion of the described extrusome that causes or shrinks the connection location that changes described pole and described plunger by ambient temperature, thereby the interval variation of described swivel and brake body is proofreaied and correct in specialized range.
In addition, described swivel is brake wheel, described brake body is installed on the pole, one end of this pole is supported by axle rotationally by fulcrum, thereby can or separate with described brake wheel contact, length direction pars intermedia described pole is provided with retarding spring, this retarding spring makes described brake body be contacted with the turning effort of the direction of swivel to this pole applying, the other end of described pole is connected with plunger, this plunger rotates by the direction that described space regulating mechanism makes this pole separate to described brake body from swivel, described space regulating mechanism changes the expansion of the described extrusome that causes or shrinks the length that is connected that changes described pole and described plunger by ambient temperature, thereby the interval variation of described swivel and brake body is proofreaied and correct in specialized range.
In addition, preferably between described swivel and the brake body that is in contact with it, be provided with the resin or the rubber constituent that are called brake shoe, use extrusome as described space regulating mechanism, this extrusome uses thermal expansion coefficient to be different from the material of other braking component parts except described brake shoe.
In addition, select length and the thermal expansion coefficient of described extrusome in conjunction with the Leveraged rate of drum brake, thereby ambient temperature is changed the variation control at the described interval that causes in specialized range.
In addition, described swivel is brake disc, described brake body comprises: armature, by attracting to the direction from a surface isolation of described brake disc with the exciting electromagnetic coil effect of a surperficial arranged opposite of described brake disc, and remove by described exciting electromagnetic coil, be braked the surface that spring is pressed to described brake disc; And fixed parts, together clamp brake disc from another side side and this armature; Extrusome as described space regulating mechanism, be located between the holding member and described fixed parts of described magnet coil, and change the expansion cause or shrink the distance that changes described magnet coil and described fixed parts by ambient temperature, thereby with the interval variation correction of described swivel and brake body in specialized range.
In addition, described brake disc spline is connected the S. A. of motor, thereby can and carry out unitary rotation along this direction of principal axis slip, uses the end face of described motor as described fixed parts.
In addition, between swivel and the brake body that is in contact with it, be provided with the resin or the rubber constituent that are called brake lining, described extrusome uses thermal expansion coefficient to be different from except described liner other and brakes the material of component parts.
Further, select length and the thermal expansion coefficient of described extrusome, make the variable quantity at described interval equal the amount that described liner expands or shrinks along with the ambient temperature variation.
According to above-mentioned embodiment, even ambient temperature changes greatly, the variation of also can corresponding ambient temperature proofreading and correct brake clearance, thus it is changed control in specialized range.
Description of drawings
Fig. 1 is the main portion constructional drawing of the brake equipment that relates to of first embodiment of the present utility model.
Fig. 2 is the integral structure figure of the brake equipment that relates to of first embodiment of the present utility model.
Fig. 3 is the main portion constructional drawing of the brake equipment that relates to of second embodiment of the present utility model.
Fig. 4 is the integral structure figure of the brake equipment that relates to of second embodiment of the present utility model.
Fig. 5 is the main portion constructional drawing of the brake equipment that relates to of the 3rd embodiment of the present utility model.
Fig. 6 is the integral structure figure of the brake equipment that relates to of the 3rd embodiment of the present utility model.
The specific embodiment
Below, describe embodiment of the present utility model in detail with reference to accompanying drawing.
First embodiment
Fig. 1 shows the main portion of the spool type brake equipment that first embodiment relates to, and Fig. 2 shows its integral structure.Below, describe with reference to this Fig. 1, Fig. 2.
In Fig. 2, the brake equipment that this embodiment relates on the outer peripheral face as the brake wheel 11 of swivel, is braked across a pair of brake body of predetermined distance face-off (following describe as brake shoe) 12 by contact.Brake wheel 11 is installed on the S. A. of not shown elevator traction machine, and rotates with not shown head pulley.A pair of brake shoe 12 is installed on a pair of pole 13 that constitutes driver train, and constitutes and can contact with respect to the outer peripheral face of brake wheel 11 and separate.
A pair of pole 13, its length direction pars intermedia can be bearing on the gate-type bearer frame 15 by axle rotationally by fulcrum 14 respectively.On the end that brake shoe 12 sides are installed (diagram bottom) of this a pair of pole 13, by pipe link 17 retarding spring 18 is installed.18 pairs of poles 13 of this retarding spring apply all the time and make brake shoe 12 be contacted with the power of the direction of brake wheel 11 outer peripheral faces.
In addition, the other end of this a pair of pole 13 (diagram upper end) removed operation by tie bolt 21 and braking and is connected with plunger 20.Operation is installed in the magnet coil 23 that arranges on the bearer frame 15 free to advance or retreatly along the diagram left and right directions with plunger 20 interior week is removed in braking.Along with magnet coil 23 is energized, this plunger 20 is side drive predetermined stroke in graphic respectively, thereby corresponding pole 13 direction that 11 outer peripheral face separates to brake shoe 12 from brake wheel is rotated.
As shown in Figure 1, on the connecting portion of the other end of this pole 13 and plunger 20, be provided with the space regulating mechanism 25 that is installed on the tie bolt 21.This space regulating mechanism 25 is based on extrusome 26, and is made of the nut 28 that is used for making this main body 26 be contacted with the spring 27 of pole 13 sides and is used for holddown spring.At this, the leading section of tie bolt 21 is screwed together in the end face of plunger 20, and extrusome 26 is arranged between the left surface shown in Figure 1 of bolt cap 21a and pole 13.Spring 27 is arranged on the right flank of pole shown in Figure 1 13 upper ends and is screwed together in being used between the nut 28 of holddown spring of tie bolt 21 threaded portions, the upper end contacts side surfaces that makes pole 13 by this elastic force is in extrusome 26, thereby the upper end that makes this pole 13 is along with expansion or the contraction of extrusome 26 are moved.
When plunger 20 is attracted by magnet coil 23 (during brake off), when the interval (brake clearance) of brake shoe 12 and brake wheel 11 outer peripheral faces changes along with the ambient temperature variation, this space regulating mechanism 25 is based on expansion or the contraction of extrusome 26, change the connection location of pole 13 and plunger 20, thereby the variation of brake clearance is remained in the specialized range.
At this, as space regulating mechanism 25 employed extrusomes 26, use thermal expansion coefficient to wait the different material of other parts with brake wheel 11 except brake shoe 12.
In said structure, during the drg action, brake shoe 12 is braked spring 18 by pole 13 and presses on the outer peripheral face of brake wheel 11, thereby produces lock torque.When brake off when energising (magnet coil 23), be connected in pole 13 on the plunger 20 by tie bolt 21, its top is by magnet coil 23 side drive in the diagram, so that fulcrum 14 rotates to the center, thereby brake shoe 12 self-retention drums 11 separated.Therefore, can eliminate lock torque.
In this embodiment, on the connecting portion of the upper end of pole 13 and plunger 20, as shown in Figure 1, be provided with the space regulating mechanism 25 that is installed on the tie bolt 21.Based on this structure, for example, the expansion during greater than other parts that ambient temperature rises and to cause brake shoe 12, brake clearance diminishes, but since extrusome 26 expand too, thereby the connection location that makes pole 13 is near plunger 20.Therefore, brake clearance is widened, and its result can proofread and correct brake clearance in specialized range.That is, by length L and the thermal expansion coefficient of suitable selection extrusome 26, brake clearance can be widened the identical value of swell increment with brake shoe 12, thereby proofread and correct.
Also have, brake clearance was widened when ambient temperature descended, however extrusome 26 also shrinks, so brake clearance dwindles, thereby can be with this brake clearance correction in specialized range.
The length L of extrusome 26 and thermal expansion coefficient are regulated, are selected in conjunction with the Leveraged rate L1:L2 of drum brake.At this, L1 is the distance at the axle center from the fulcrum 14 of pole 13 to tie bolt 21, and L2 is the distance from the fulcrum 14 of pole 13 to the center of brake shoe 12, and these ratios L1:L2 is the Leveraged rate of above-mentioned drum brake.Based on this Leveraged rate L1:L2, the relation between the stroke of decision extrusome 26 and the location variation of brake shoe 12.Therefore, regulate, select the length L of extrusome 26 and the appropriate value of thermal expansion coefficient to get final product in conjunction with this Leveraged rate L1:L2.
Second embodiment
Fig. 3 shows the main portion of the brake equipment that second embodiment relates to, and Fig. 4 shows its integral structure.
In Fig. 4, the brake equipment that this embodiment relates to also in outer peripheral face contact and a pair of brake body (brake shoe) 12 of this outer peripheral face across the predetermined distance face-off as the brake wheel 11 of swivel, thereby is braked.Brake wheel 11 is installed on the S. A. of not shown elevator traction machine, and rotates with not shown head pulley.A pair of brake shoe 12 is installed on a pair of pole 43 that constitutes driver train.One end of this a pair of pole 43 (diagram bottom) can be bearing in the bottom of gate-type bearer frame 45 rotationally by axle by fulcrum 44.And, centered by this fulcrum 44, carry out rotation action, thereby make outer peripheral face contact or the separation of 12 pairs of brake wheels 11 of brake shoe.
In addition, on the length direction pars intermedia of a pair of pole 43, by pipe link 47 retarding spring 48 is installed.48 pairs of poles 43 of this retarding spring apply and make brake shoe 12 be contacted with the turning effort of the direction of brake wheel 11 outer peripheral faces.
The other end of this a pair of pole 43 (diagram upper end) is removed operation by tie bolt 51 and braking and is connected with plunger 50.Operation is installed in the magnet coil 53 that arranges on the bearer frame 45 free to advance or retreatly along the diagram left and right directions with plunger 50 interior week is removed in braking.Along with magnet coil 53 is energized, this plunger 50 drives predetermined stroke to the diagram outward direction respectively, thereby the direction that 11 outer peripheral face separates to brake shoe 12 from brake wheel is rotated corresponding pole 43.
As shown in Figure 3, on the connecting portion of the other end of this pole 43 and plunger 50, constitute by tie bolt 51 and the space regulating mechanism 55 that forms between the extrusome 56 of this length direction pars intermedia.The corresponding ambient temperatures of extrusome 56 that constitute this space regulating mechanism 55 change and expand or shrinks, thus the brake shoe 50 of change and pole 43 upper ends be connected length (length that comprises the tie bolt 51 of extrusome 56).
During brake off, when the interval (brake clearance) between brake shoe 12 and brake wheel 11 outer peripheral faces changes along with the ambient temperature variation, this space regulating mechanism 55 is based on expansion or the contraction of extrusome 56, change the length that is connected of pole 43 and plunger 50, thereby the variation of brake clearance is remained in the specialized range.
At this, as space regulating mechanism 55 employed extrusomes 56, use thermal expansion coefficient to wait the different material of other parts with brake wheel 11 except brake shoe 12.
In said structure, during the drg action, brake shoe 12 is braked spring 48 by pole 43 and presses on the outer peripheral face of brake wheel 11, thereby produces lock torque.When brake off when energising (magnet coil 53), the top of the pole 43 that is connected with plunger 50 by tie bolt 51 is by magnet coil 23 side drive outside illustrating.So pole 43 is rotated centered by the fulcrum 44 that is located at its bottom, thereby brake shoe 12 is separated from brake wheel 11.Therefore, can eliminate lock torque.
In this embodiment, be used for connecting the upper end of pole 43 and the tie bolt 51 of plunger 50, as shown in Figure 3, be provided with the space regulating mechanism 55 that is formed by tie bolt 51 and the extrusome 56 that is arranged at its length direction pars intermedia.Based on this structure, for example, the expansion during greater than other parts that ambient temperature rises and to make brake shoe 12, brake clearance diminishes, but since extrusome 56 expand too, thereby widen the length that is connected of pole 43 and plunger 50, make the upper end of pole 34 away from plunger.Therefore, brake clearance is corresponding being widened also, and its result can proofread and correct brake clearance in specialized range.That is, by length L and the thermal expansion coefficient of suitable selection extrusome 56, can make brake clearance widen the value identical with the swell increment of brake shoe 12, thereby proofread and correct.
Also have, brake clearance was widened when ambient temperature descended, yet owing to by the next corresponding brake clearance that dwindles of the contraction of extrusome 56, therefore this brake clearance was proofreaied and correct in specialized range.
The length L of extrusome 56 and thermal expansion coefficient are regulated, are selected in conjunction with the Leveraged rate L11:L12 of drum brake.At this, L11 is the distance at the axle center from the fulcrum 44 of pole 43 to tie bolt 51, and L12 is the distance from the fulcrum 44 of pole 43 to the center of brake shoe 12.Based on this Leveraged rate 1L1:L12, the relation between the stroke of decision extrusome 56 and the location variation of brake shoe 12.Therefore, regulate, select the length L of extrusome 56 and the appropriate value of thermal expansion coefficient to get final product in conjunction with this Leveraged rate L11:L12.
The 3rd embodiment
Fig. 5 shows the main portion of the brake equipment that the 3rd embodiment relates to, and Fig. 6 shows its integral structure.Below, describe with reference to these Fig. 5, Fig. 6.
In Fig. 6, this brake equipment uses brake disc 61 as swivel, by braking with a pair of brake body 62,63 panel surface of clamping this brake disc 61.Brake disc 61 is connected with S. A. 66 splines of the motor 65 that constitutes elevator traction machine, can slide along this direction of principal axis, and rotate together.In addition, be provided with the liner 67 that contains resin or rubber constituent in the panel surface that contacts with the brake body 62,63 of brake disc 61.
As a pair of brake body 62,63, use and the opposed discoid armature in a surface (diagram left surface) of brake disc 61 (following describe with armature 62), and with the end face (hereinafter referred to as fixed parts 63) of the opposed motor 65 in another surface (the right surface of diagram) of brake disc 61.
In addition, between armature 62 and holding member 70, be provided with retarding spring 73.Therefore, when the excitatory effect of magnet coil 69 was disengaged, armature 62 and was pressed towards a surface of brake disc 61 because the effect of retarding spring 73 drives to the diagram right.And, another surperficial opposed fixed parts 63 of these brake disc 61 usefulness and its is clamped, thereby kept braking mode.
At this, as shown in Figure 5, on the part of the length direction of described sleeve pipe 72, be provided with extrusome 75 integratedly, and together constitute space regulating mechanism 74 with sleeve pipe 72.This extrusome 75 corresponding ambient temperatures change and expand or shrinks, and the employing thermal expansion coefficient waits the different material of other parts with brake disc 61 except liner 67.And these extrusome 75 corresponding ambient temperatures variations are expanded or are shunk, thereby change the distance between holding member 70 and the fixed parts 63.
Namely, the intervals (brake clearance) that are arranged on liner 67 surface on the brake disc 61 and armature 62 opposed with it and fixed parts 63 when brake off change along with ambient temperature and when changing, space regulating mechanism 74 is by expansion or the contraction of extrusome 75, change the distance between holding member 70 and the fixed parts 63, thereby the variation of brake clearance is proofreaied and correct in specialized range.
In said structure, in drg when action, is because the incentive action of magnet coil 69 is disengaged, so the effect of armature 62 by retarding spring 73 is pressed towards on the surface of brake disc 61.Therefore, as shown in Figure 6, brake disc 61 is clamped by armature 62 and fixed parts 63 respectively across liner 67, thereby produces lock torque and be in braking mode.During brake off when energising (magnet coil 69), armature 62 since magnet coil 69 to the diagram left to driving, thereby separate from brake disc 61.Therefore, between liner 67 surfaces of brake disc 61 and armature 62 and fixed parts 63 opposed parts, produce brake clearance.Therefore, brake disc 61 is in free state, thereby can eliminate lock torque.
In this embodiment, in the part of sleeve pipe 72 length directions extrusome 75 is set and constitutes space regulating mechanism 74.Therefore, for example, temperature rises and the expansion of the liner 67 of brake disc 61 during greater than other parts, and brake clearance diminishes, but since extrusome 75 expand too, thereby make magnet coil 69 away from the fixed parts 63 as motor 65 end faces.Therefore, when to magnet coil 69 energising and during brake off, the also corresponding movement of armature 62 positions that is attracted by magnet coil 69.Its result, brake clearance widens, thereby this brake clearance can be proofreaied and correct in specialized range.That is, by length L and the thermal expansion coefficient of suitable selection extrusome 75, can make brake clearance widen the value identical with the swell increment of liner 67, thereby proofread and correct.
Also have, brake clearance was widened when ambient temperature descended, yet can dwindle brake clearance by the contraction of extrusome 75, thereby this brake clearance is proofreaied and correct in specialized range.
As mentioned above, according to the respective embodiments described above, can prevent that brake clearance from varying with temperature, thereby can prevent along with problems such as temperature brake noise increases.
In addition, in being provided with the drg of brake switch, because brake clearance is constant, therefore can realize the stable operation of brake switch.
The utility model has illustrated several embodiments, and these embodiments are to propose as example, does not mean at the protection domain that limits utility model.These new embodiments can be implemented in other multiple mode, in the scope that does not depart from the utility model aim, can carry out various omissions, replacement, change.These embodiments or its distortion are contained in the protection domain or aim of utility model, also are contained in the utility model of putting down in writing in claims and its impartial protection domain.
Claims (9)
1. a brake equipment contacts to brake with brake body by swivel, and this brake body stands facing each other across predetermined distance and this swivel, it is characterized in that,
The extrusome that thermal expansion coefficient is different from described swivel is as the space regulating mechanism that is used for regulating described interval, and expansion or contraction by described extrusome, and the variation that ambient temperature is changed the described interval that causes is controlled in specialized range.
2. brake equipment as claimed in claim 1 is characterized in that,
Described swivel is brake wheel,
Described brake body is installed on the pole, and the length direction pars intermedia of this pole is supported by axle rotationally by fulcrum, thereby can or separate with described brake wheel contact,
End in the side that described brake body is installed of described pole is provided with retarding spring, and this retarding spring applies all the time this pole and makes described brake body be contacted with the turning effort of the direction of swivel,
The other end of described pole is connected with plunger, and this plunger rotates by the direction that described space regulating mechanism makes this pole separate to described brake body from swivel,
Described space regulating mechanism changes the expansion of the described extrusome that causes or shrinks the connection location that changes described pole and described plunger by ambient temperature, thereby the interval variation of described swivel and brake body is proofreaied and correct in specialized range.
3. brake equipment as claimed in claim 1 is characterized in that,
Described swivel is brake wheel,
Described brake body is installed on the pole, and an end of this pole is supported by axle rotationally by fulcrum, thereby can or separate with described brake wheel contact,
Length direction pars intermedia described pole is provided with retarding spring, and this retarding spring makes described brake body be contacted with the turning effort of the direction of swivel to this pole applying,
The other end of described pole is connected with plunger, and this plunger rotates by the direction that described space regulating mechanism makes this pole separate to described brake body from swivel,
Described space regulating mechanism changes the expansion of the described extrusome that causes or shrinks the length that is connected that changes described pole and described plunger by ambient temperature, thereby the interval variation of described swivel and brake body is proofreaied and correct in specialized range.
4. as claim 2 or 3 described brake equipments, it is characterized in that,
Between described swivel and the brake body that is in contact with it, be provided with the resin or the rubber constituent that are called brake shoe, use extrusome as described space regulating mechanism, this extrusome uses thermal expansion coefficient to be different from the material of other braking component parts except described brake shoe.
5. brake equipment as claimed in claim 4 is characterized in that,
Select length and the thermal expansion coefficient of described extrusome in conjunction with the Leveraged rate of drum brake, thereby ambient temperature is changed the variation control at the described interval that causes in specialized range.
6. brake equipment as claimed in claim 1 is characterized in that,
Described swivel is brake disc,
Described brake body comprises: armature, by attracting to the direction from a surface isolation of described brake disc with the exciting electromagnetic coil effect of a surperficial arranged opposite of described brake disc, and remove by described exciting electromagnetic coil, be braked the surface that spring is pressed to described brake disc; And fixed parts, together clamp brake disc from another side side and this armature;
Extrusome as described space regulating mechanism, be located between the holding member and described fixed parts of described magnet coil, and change the expansion cause or shrink the distance that changes described magnet coil and described fixed parts by ambient temperature, thereby with the interval variation correction of described swivel and brake body in specialized range.
7. brake equipment as claimed in claim 6 is characterized in that,
Described brake disc spline is connected the S. A. of motor, thereby can and carry out unitary rotation along this direction of principal axis slip, uses the end face of described motor as described fixed parts.
8. brake equipment as claimed in claim 6 is characterized in that,
Between swivel and the brake body that is in contact with it, be provided with the resin or the rubber constituent that are called brake lining, described extrusome uses thermal expansion coefficient to be different from except described liner other and brakes the material of component parts.
9. brake equipment as claimed in claim 8 is characterized in that,
Select length and the thermal expansion coefficient of described extrusome, make the variable quantity at described interval equal the amount that described liner expands or shrinks along with the ambient temperature variation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012168328A JP5567074B2 (en) | 2012-07-30 | 2012-07-30 | Brake device |
| JP2012-168328 | 2012-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203212266U true CN203212266U (en) | 2013-09-25 |
Family
ID=49201818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220641542 Expired - Fee Related CN203212266U (en) | 2012-07-30 | 2012-11-28 | Braking device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5567074B2 (en) |
| CN (1) | CN203212266U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891311A (en) * | 2014-03-07 | 2015-09-09 | 东芝电梯株式会社 | Winch |
| CN105605128A (en) * | 2016-01-20 | 2016-05-25 | 江苏大学 | Air gap width self-adjusting type electromagnetic braking device |
| EP2886903A3 (en) * | 2013-10-31 | 2016-08-17 | Technicka univerzita v Liberci | Brake arrangement, particularly for railway vehicles |
| CN109422205A (en) * | 2017-09-05 | 2019-03-05 | 富士达株式会社 | Brake device of elevator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018092272A1 (en) * | 2016-11-18 | 2018-05-24 | 三菱電機株式会社 | Elevator brake device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6357831U (en) * | 1986-10-02 | 1988-04-18 | ||
| JPH0859147A (en) * | 1994-08-19 | 1996-03-05 | Mitsubishi Denki Bill Techno Service Kk | Electromagnetic brake |
| JPH0873143A (en) * | 1994-09-06 | 1996-03-19 | Toshiba Corp | Disc shaped electromagnetic brake for elevator winding machine |
| JP2012041168A (en) * | 2010-08-23 | 2012-03-01 | Toshiba Elevator Co Ltd | Elevator |
-
2012
- 2012-07-30 JP JP2012168328A patent/JP5567074B2/en not_active Expired - Fee Related
- 2012-11-28 CN CN 201220641542 patent/CN203212266U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2886903A3 (en) * | 2013-10-31 | 2016-08-17 | Technicka univerzita v Liberci | Brake arrangement, particularly for railway vehicles |
| CN104891311A (en) * | 2014-03-07 | 2015-09-09 | 东芝电梯株式会社 | Winch |
| CN105605128A (en) * | 2016-01-20 | 2016-05-25 | 江苏大学 | Air gap width self-adjusting type electromagnetic braking device |
| CN109422205A (en) * | 2017-09-05 | 2019-03-05 | 富士达株式会社 | Brake device of elevator |
| CN109422205B (en) * | 2017-09-05 | 2020-10-16 | 富士达株式会社 | Brake device for elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5567074B2 (en) | 2014-08-06 |
| JP2014024669A (en) | 2014-02-06 |
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