CN1891613A - Dual electromagnetic brake structure for elevator - Google Patents
Dual electromagnetic brake structure for elevator Download PDFInfo
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- CN1891613A CN1891613A CN 200510082848 CN200510082848A CN1891613A CN 1891613 A CN1891613 A CN 1891613A CN 200510082848 CN200510082848 CN 200510082848 CN 200510082848 A CN200510082848 A CN 200510082848A CN 1891613 A CN1891613 A CN 1891613A
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- electromagnetic brake
- elevator
- plunger
- pair
- fixed
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- Cage And Drive Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
Abstract
This invention relates to a dual-magnetic braking structure for elevators including: a pair of braking operation boards placed at the outside of a brake pulley fixed at the shaft of a motor with one end fixed in pivot, the other free end is set with a spring and the potential energy makes the brake operation boards at the constant braking state, an electromagnetic brake release device including a pair of coaxial modules set at the either end of a yoke and between the free ends of the operation boards to drive the board free ends to release the braking, in which, said brake release device enables the winding assembly, the magnetic core, a dry bearing, a plunger, a sliding pin and a cover of said yoke to form a coaxial module to be fixed at said yoke, thus, it's easy for processing between module components at high accuracy.
Description
Technical field
The present invention relates to a kind of dual electromagnetic brake structure for elevator, refer to that especially a kind of electromagnetic brake release gear forms one with being fixed on behind the axle module in this yoke portion jointly with the cover plate of winding assembly, magnetic core, dry type bearing, plunger and sliding pin etc. and yoke portion.
Background technology
Traditional elevator electromagnetism brake mechanism for example shown in Fig. 6 and Fig. 6 a, is a kind of known dual electromagnetic brake mechanism 10, and it mainly comprises a yoke portion 11, has the reception room 12 of a hollow; A pair of winding 13 has centre hole, is housed in the two ends of this reception room 12 respectively; One axle bush 14 has centre hole, and between above-mentioned a pair of winding 13; A pair of magnetic core 15 respectively includes an axial region 15a and is located in the centre hole of this a pair of winding 13, and a 15b of footpath portion is enclosed in these reception room 12 outsides respectively and is fixed in this yoke portion 11; A pair of slide block 16 is positioned at magnetic core 15 inboards, and is located in slidably in the centre hole of this winding 13 and axle bush 14; A pair of action pin 17, one end are connected on this slide block 16, and the other end is located in respectively in the centre hole of this magnetic core 15 slidably, and its end is held the potential energy that an elastic parts 18 is arranged and stretched out in the footpath of this magnetic core 15 15b of the outside; Wherein, a pair of wide-aperture dry type bearing 19 is separately positioned in the centre hole of this axle bush 14, as the sliding surface of this slide block 16; And the dry type bearing 20 of a pair of small-bore is separately positioned in the centre hole of this magnetic core 15, as the sliding surface of this action pin 17.So, under energization excitation, discharge brake by this a pair of slide block 16 and 17 slips of action pin.In addition, between above-mentioned a pair of slide block 16, be provided with one and manually liberate bar 21, and extended a hand lever 22 outside this yoke portion 11, can discharge brake with manual mode by this hand lever 22.
Above-mentioned known technology, specifically observe from its structure and can find to have the following space that remains to be improved:
1) this design the time must be strict with its precision in assembling, and whether this winding 13 the centering adjustment axis, and assembling is if error is crossed the action that slide block 16 is interfered in conference.
2) cross the sliding surface of wide-aperture dry type bearing 19 as this slide block 16, and the dry type bearing 20 of small-bore is as the sliding surface of this action pin 17, on different positions, it is very high to the requirement of right alignment that it adds man-hour respectively for this sliding surface, if the right alignment deficiency then can be interfered the slip of actuating mechanism.
3) whether actuating mechanism only can could be confirmed to have or not after assembling is finished and interfere with each other phenomenon, and this dry type bearing 19,20 is replaced and is difficult for maintenance and degree difficult in maintenance height and time-consuming during maintenance.
4) this is manually liberated bar 21 and has extended a hand lever 22 in yoke portion 11 outsides, the danger that maloperation is easily arranged or touch.
5) this yoke portion 11 adopts solid drawn pipe, cost height.
Summary of the invention
Technical matters to be solved by this invention provides the dual electromagnetic brake structure for elevator that right alignment excellence between a kind of modular structure, action accurately reach less trouble.
In order to address the above problem, the invention provides a kind of dual electromagnetic brake structure for elevator, it comprises, a pair of brake action plate, respectively be pivoted with a Brake shoe and be positioned at a brake pulley outside that is fixed on the machine shaft, that the one end articulates is fixing, the other end is a free end, and a spring is set respectively on this free end, make the potential energy of this spring constant to the center against becoming the brake braking mode; One electromagnetic brake release gear includes in a pair of reception room that is separately positioned on yoke portion two ends with axle module, and between this brake action plate free end, wherein, should include with axle module: a winding assembly, be contained in the reception room of this yoke portion, its center has an axle bush; One magnetic core is located in the axial external side end of this axle bush, and is fixed into one with the winding assembly, and this core center is formed with an axial aperture; One cover plate, radially inner side and this magnetic core are fixed into one, and its radial outside is fixed in the yoke portion in this reception room outside; A pair of dry type bearing is separately fixed at this magnetic core axial aperture two ends; One plunger is located in this axle bush that is arranged in the magnetic core opposite side slidably, and this plunger center has an axial aperture; One sliding pin, an end is fixed on the external side end of this plunger axial aperture, and the other end is located in the inboard of this a pair of dry type bearing slidably, and its end and stretching is located at this cover plate outside.Under electromagnetic brake release gear energization excitation, this plunger is adsorbed toward the magnetic core direction and slides, and makes the external side end of sliding pin move this brake action plate free end and discharge brake simultaneously.
According to the present invention, this electromagnetic brake release gear cooperates this magnetic core with locking mutually with the clearance of winding assembly after, again with a pair of dry type bearing, plunger, sliding pin, and the cover plate of yoke portion etc. is together to form one in advance with packing into behind the axle module and being fixed in this yoke portion, make its installation and simple removal, and actuating mechanism can directly check the presence of interference situation on axle module, can clearly grasp the action situation, and at ordinary times maintenance, maintenance carried out etc. easily.
According to the present invention, this plunger does not relate to other member by sliding pin and to be that sliding surface constitutes sliding part to the dry type bearing one of in this magnetic core axial aperture during action, make the action simplification, and reduce the stuck probability of other component interference.
According to same axle module of the present invention, dry type bearing by forward and backward a pair of identical size in this magnetic core axial aperture is as the sliding surface of sliding pin, the right alignment performance is very excellent on mechanism action, coaxial handling ease between the member need not the right alignment when guaranteeing to move by the accuracy requirement of strictness.And the maintenance of this dry type bearing as long as change according to its abrasion criterion on time, must not need to check at any time whether dry up or sticked by foreign matter as liquid lubricant easily.
According to the present invention, include a manual release pin, the one end is formed with first plat part between two plungers, and the other end includes second plat part and stretches and be located at this yoke portion outside; This manual releasing pin must rotate second plat part by open-end spanner, moves two brake action plates and discharge brake simultaneously, can avoid the danger of maloperation.
Description of drawings
Fig. 1 is implemented in the scheme drawing of an elevator with on the motor time for dual electromagnetic brake structure of the present invention;
Fig. 2 cuts decomposing schematic representation open for the part of electromagnetic brake release gear of the present invention;
Fig. 3 separates scheme drawing for the thin part of the same axle module of electromagnetic brake release gear of the present invention;
Fig. 4 is the assembled state scheme drawing of Fig. 3 with axle module;
Fig. 5 is the generalized section of electromagnetic brake release gear of the present invention;
Fig. 6 is a known technology, and it shows the scheme drawing of a kind of elevator with dual electromagnetic brake mechanism;
Fig. 6 a is the generalized section of the known dual electromagnetic brake mechanism of Fig. 6.
The specific embodiment
Below will cooperate embodiment that the technology of the present invention characteristics are further described, this embodiment is preferable example only, is not to be used for limiting practical range of the present invention, and is careful by obtaining best understanding in conjunction with following detailed description with reference to the accompanying drawings.
At first, please refer to Fig. 1, dual electromagnetic brake structure for elevator 100 of the present invention, it mainly comprises, a pair of brake action plate 101, its inboard respectively is pivoted with a Brake shoe 102 and lays respectively at brake pulley 104 outsides that are fixed on the motor 103 rotating shaft 103a, one end 101a articulates the both sides, below that are fixed on brake pulley 104 respectively, other end 101b is a free end, respectively holding on this free end 101b has a spring 105, make the potential energy of this spring constant to the center against, make these Brake shoe 102 frictions on brake pulley 104, become the brake braking mode.One electromagnetic brake release gear 110, having an installation portion 116 is combined on the motor 103, this electromagnetic brake release gear 110 includes a pair of with axle module 120, is separately positioned in the reception room 112 at a yoke portion 111 two ends, and between this brake action plate 101 free end 101b.Under these electromagnetic brake release gear 110 energization excitations, a pair ofly move this brake action plate 101 free end 101b respectively with axle module 120 and discharge brake by this.
Refer again to Fig. 2 to Fig. 5, should include with axle module 120 according to the present invention: a winding assembly 121, be contained in the reception room 112 of this yoke portion 111, its center has an axle bush 1210; One magnetic core 122 is located in the axial external side end of this axle bush 1210, and is fixed into one via the solid assembly 1221 of a plurality of spiral shells with winding assembly 121, and these magnetic core 122 centers are formed with an axial aperture 1222; One cover plate 113, radially inner side is fixed into one by a plurality of bolts 1131 with this magnetic core 122, and its radial outside is fixed in the yoke portion 111 in these reception room 112 outsides by a plurality of bolts 1131; A pair of dry type bearing 123 is separately fixed at this magnetic core 122 axial aperture 1222 two ends; One plunger 124, be located in be arranged in magnetic core 122 opposite sides 1210 one-tenth of this axle bushs slidably, these plunger 124 centers have an axial aperture 1241; One sliding pin 125, one end has a threaded portion 1251 and is connected with a joggle at the external side end of this plunger 124 axial aperture 1241, the inboard that the other end is located in this a pair of dry type bearing 123 becomes slidably, its end 125a also stretches and is located at this cover plate 113 outsides, and connects with an adjustable bolt 106 that is fixed on the brake action plate 101 free end 101b.Under the energization excitation of electromagnetic brake release gear 110, this plunger 124 is adsorbed toward magnetic core 122 directions and slides, and makes the outboard end 125a of sliding pin 125 move this brake action plate 101 free end 101b and discharge brake simultaneously.
As shown in Figure 5, be formed with a radial support portion 114 between 111 liang of reception rooms 112 of this yoke portion, be supported in the inboard end of the axle bush 1210 of this winding assembly 121, this support sector 114 has an axial centre aperture 1141 to guide this plunger 124 slips simultaneously; These 1241 inboards, two plungers, 124 axial centre apertures are formed with a resettlement section 1242 respectively, and a common ccontaining spring assembly 1243 has together spindle guide pin 1244 in addition, and its two ends are located in respectively in these two plungers, 124 axial centre apertures 1241 slidably.According to the present invention, be formed with in this support sector 114 one radially through hole 1142 communicate with this axial centre aperture 1141, and radially be equipped with a manual release pin 126 in the through hole 1142 at this; One end of this manual releasing pin 126 is formed with first plat part 1261 between two plungers 124, and the other end includes second plat part 1262 and stretches and be located at this yoke portion 111 outsides; And, these yoke portion 111 outsides are formed with a prominent ring 1143 corresponding to this manual releasing pin 126 and are set in its outside, be formed with a radial groove 1263 in these manual releasing pin 126 second plat parts 1262 inboards, and pass this prominent ring 1143 by a bolt 1264 and be limited in this groove 1263.Depending on the circumstances or the needs of the situation, can rotate second plat part 1262 of this manual releasing pin 126, pull open two plungers 124, move this brake action plate 101 free end 101b, can brake with manual releasing by first plat part 1261 by an open-end spanner.So, can avoid the danger of maloperation.
According to the present invention, this electromagnetic brake release gear 110 is this magnetic core 122 is cooperated locking mutually with 121 clearances of winding assembly after, again with a pair of dry type bearing 123, plunger 124, sliding pin 125, and cover plate 113 grades of yoke portion are together to form one in advance with behind the axle module 120, pack in the reception room 112 of yoke portion 111 and be fixed in this yoke portion 111, make its installation and simple removal, and actuating mechanism can directly be checked the presence of interference situation on axle module, can clearly grasp the action situation, make at ordinary times maintenance, safeguard and carry out easily etc.Again, this plunger 124 is that sliding surface constitutes sliding part by sliding pin 125 and with a pair of dry type bearing 123 in these magnetic core 122 axial aperture 1222, does not relate to other member during action, makes the action simplification, and reduces and the stuck probability of other component interference.
In addition, according to of the present invention with axle module 120, dry type bearing 123 by forward and backward a pair of identical sizes in this magnetic core 122 axial aperture 1222 is as the sliding surface of sliding pin 125, the right alignment performance is very excellent on mechanism action, coaxial handling ease between the member need not the right alignment when guaranteeing to move by the accuracy requirement of strictness.And 123 maintenances of this dry type bearing as long as change according to its abrasion criterion on time, must not check whether dry up or situation that foreign matter sticks etc. is arranged as liquid lubricant easily at any time.
In sum, dual electromagnetic brake structure for elevator of the present invention, its simple structureization, coaxial handling ease between the modular structure, precision are good, during the action of plunger and sliding pin not with other component interference, can reduce fault rate, action accurately, maintenance, maintenance are carried out easily.
Claims (12)
1. a dual electromagnetic brake structure for elevator (100), it comprises:
A pair of brake action plate (101), respectively be pivoted with a Brake shoe (102) and be positioned at brake pulley (a 104) outside that is fixed on the machine shaft (103a), one end (101a) but articulate and to be fixed into rotation, the other end is free end (101b), one spring (105) is set respectively on this free end (101b), makes the constant state of braking against the one-tenth brake to the center of potential energy of this spring;
One electromagnetic brake release gear (110), include in the reception room (112) that a pair of same axle module (120) is separately positioned on yoke portion (111) two ends, and between two brakes action plate (101) free ends (101b), under energization excitation, move two action plate (101) free ends (101b) of braking respectively and discharge brake by this a pair of same axle module (120); It is characterized in that this same axle module (120) includes:
One winding assembly (121) is contained in the reception room (112) of this yoke portion (111), and its center has an axle bush (1210);
One magnetic core (122) is located in the axial external side end of this axle bush (1210), and is fixed into one with winding assembly (121), and this magnetic core (122) center is formed with an axial aperture (1222);
One cover plate (113), radially inner side and this magnetic core (122) are fixed into one, and its radial outside is fixed in the yoke portion (111) in this reception room (112) outside;
A pair of dry type bearing (123) is separately fixed at this magnetic core (122) axial aperture (1222) two ends;
One plunger (124) is located in this axle bush (1210) that is arranged in magnetic core (122) opposite side slidably, and this plunger (124) center has an axial aperture (1241);
One sliding pin (125), an end are fixed on the external side end of this plunger (124) axial aperture (1241), and the other end is located in this a pair of dry type bearing (123) slidably, and its end (125a) also stretches and be located at this cover plate (113) outside.
2. dual electromagnetic brake structure for elevator as claimed in claim 1 (100), wherein this electromagnetic brake release gear (110) is this magnetic core (122) is cooperated mutually locking with winding assembly (121) clearance after, is combined into a pair of dry type bearing (123), plunger (124), sliding pin (125) and cover plate (113) etc. and packs into behind the same axle module (120) and be fixed in this yoke portion (111).
3. dual electromagnetic brake structure for elevator as claimed in claim 1 (100) wherein is formed with a radial support portion (114) between these yoke portion (111) two reception rooms (112), support the axle bush (1210) of this winding assembly (121).
4. dual electromagnetic brake structure for elevator as claimed in claim 3 (100), wherein this support sector (114) has axial centre aperture (1141) and guides this plunger (124) and slide.
5. dual electromagnetic brake structure for elevator as claimed in claim 4 (100), wherein be formed with in this support sector (114) one radially through hole (1142) communicate with this axial centre aperture (1141), and radially be equipped with a manual release pin (126) in the through hole (1142) at this.
6. dual electromagnetic brake structure for elevator as claimed in claim 5 (100), wherein an end of this manual releasing pin (126) is formed with first plat part (1261) between two plungers (124), and the other end includes second plat part (1262) and stretches and be located at this yoke portion (111) outside.
7. dual electromagnetic brake structure for elevator as claimed in claim 6 (100), wherein be formed with a prominent ring (1143) outside this yoke portion (111) and be set in this manual releasing pin (126) outside, be formed with a radial groove (1263) in these manual releasing pin (126) second plat part (1262) inboards, and pass these prominent encircle (1143) by a bolt (1264) and be limited in this groove (1263).
8. dual electromagnetic brake structure for elevator as claimed in claim 6 (100), wherein second plat part (1262) that rotates this manual releasing pin (126) by spanner can be operated this brake action plate (101) free end (101b) and discharges brake.
9. dual electromagnetic brake structure for elevator as claimed in claim 1 (100) wherein is formed with a resettlement section (1242) respectively at this two plunger (124) axial centre aperture (1241) medial extremity, a common ccontaining spring assembly (1243).
10. dual electromagnetic brake structure for elevator as claimed in claim 9 (100) wherein includes together spindle guide pin 1244 again, and its two ends are located in respectively in this two plunger (124) axial centre aperture (1241) medial extremity slidably.
11. dual electromagnetic brake structure for elevator as claimed in claim 1 (100), wherein these sliding pin (125) one ends are connected with a joggle at the external side end of this plunger (124) axial aperture (1241) by threaded portion (1251).
12. dual electromagnetic brake structure for elevator as claimed in claim 1 (100), wherein this brake action plate (101) free end (101b) is provided with an adjustable bolt 106 and connects with this sliding pin (125) end (125a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510082848 CN1891613A (en) | 2005-07-08 | 2005-07-08 | Dual electromagnetic brake structure for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510082848 CN1891613A (en) | 2005-07-08 | 2005-07-08 | Dual electromagnetic brake structure for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1891613A true CN1891613A (en) | 2007-01-10 |
Family
ID=37596852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510082848 Pending CN1891613A (en) | 2005-07-08 | 2005-07-08 | Dual electromagnetic brake structure for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1891613A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101332966B (en) * | 2007-06-27 | 2012-05-30 | 株式会社日立制作所 | Brake gear |
| CN109422205A (en) * | 2017-09-05 | 2019-03-05 | 富士达株式会社 | Brake device of elevator |
-
2005
- 2005-07-08 CN CN 200510082848 patent/CN1891613A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101332966B (en) * | 2007-06-27 | 2012-05-30 | 株式会社日立制作所 | Brake gear |
| 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 |
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