CN103879916B - The brake for hoist of elevator - Google Patents
The brake for hoist of elevator Download PDFInfo
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- CN103879916B CN103879916B CN201310692862.0A CN201310692862A CN103879916B CN 103879916 B CN103879916 B CN 103879916B CN 201310692862 A CN201310692862 A CN 201310692862A CN 103879916 B CN103879916 B CN 103879916B
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- brake
- hoist
- elevator
- shoe
- pin
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Abstract
There is provided the brake for hoist of a kind of elevator, enabling easily the brake shoe including brake pad of brake device for elevator is replaced. The brake for hoist of the elevator of the present invention is the elevator brake (102) producing brake force on the braking dish (101) of rope sheave (103) synchronous rotary being pressed against the hoist engine with elevator, and it has: support the brake supporting seat (2) of brake (102); The brake shoe (1) of the brake pad (15) that support is pressed against on braking dish (101); Support the brake main body (16) of brake shoe (1); Run through the brake pin (6) of brake shoe (1); Holding brake pin (6) also fastens the installation component (17) of brake shoe (1) and brake main body (16); It is arranged on the step part (9) on brake pin (6); Plate (7) to prevent brake pin (6) from from brake shoe (1) coming off chimeric with step part (9); And for by brake shoe (1) from the slot (14) taken off brake (102).
Description
Technical field
The present invention relates to a kind of brake for hoist producing brake force in the hoist engine that elevator has.
Background technology
In elevator, lift car lifts in liftway, and the hoist engine of the hoist cable being connected with lift car for traction is provided with the brake unit making lift car stop and fixing. As brake unit, adopt the brake unit of brake drum mode or the brake unit etc. of braking dish mode. Brake unit by having brake main body, there is the electromagnetism winding of non-excitation actuating type and the component such as the brake iron core of spring and the brake shoe with brake pad is constituted. Brake force is produced by being pressed towards the braking dish on the rotating shaft being arranged on hoist engine by brake pad. In general electro-magnetic braking device, use the elastic force of spring as by pressure under non-excited state.
When generally running, brake unit is for being fixed lift car, so brake pad produces abrasion hardly because of friction. , when carrying out brake hard, brake unit is for making the lift car in moving stop, now, owing to producing powerful frictional force between brake pad and brake drum or between brake pad and braking dish, so can cause that brake pad produces abrasion. Brake pad because of prolonged and repeated carry out brake hard etc. and create abrasion after, it is necessary to brake pad is replaced. Additionally, when being attached to foreign body or greasy dirt on brake pad, it is also desirable to brake pad is replaced.
Brake pad generally utilizes screw etc. to be fixed on brake shoe. Generally all it is set to very narrow due to the gap between brake pad and braking dish, so when brake shoe is arranged in brake unit, it is impossible to the screw fixed by brake pad with instrument takes off. Therefore, when brake pad is replaced, it is necessary to first brake shoe is taken off brake unit, and after taking off screw, brake pad is replaced.
On the other hand, Patent Document 1 discloses the brake unit of a kind of elevator hoist, brake pad support portion need not be taken off by it from brake pedestal, it is possible to is conveniently carried out the replacing operation of brake pad. According to patent documentation 1, being fixed with brake pedestal 8 in the both sides of the bearing block 2 being positioned on pedestal 1, brake mounting board 9 is connected to and can rotate centered by rotating shaft pin 10.Fix and be screwed on rotating shaft pin 10 with nut 11a. Pin 12 traverse brake pedestal 8 and brake mounting board 9 is stoped as rotating the rotation stoping component. Rotate and stop pin 12 to engage with brake mounting board 9 to stop brake mounting board 9 to rotate. It is to say, patent document 1 discloses that one need not be taken off brake pad support portion and just can be braked the structure that the brake unit of operation changed by liner (brake pad). In the brake unit disclosed in patent documentation 1, make by making brake pad support portion rotate it towards the outer side shifting of radial direction of braking dish, after forming the state that can change brake pad easily, brake pad is replaced.
At first technical literature
Patent documentation
Patent documentation 1 Japanese Patent Laid-Open 2009-280325 publication
; in the structure of brake unit disclosed in patent documentation 1; before starting brake pad is replaced; need first to make brake pad support portion rotate; then brake pad is made to be displaced to the outside of braking dish; owing to the weight of brake pad support portion reaches tens of kilograms of weights, so it is very loaded down with trivial details to change operation.
Summary of the invention
It is an object of the invention to provide a kind of technology, enabling easily the brake shoe including brake pad of brake device for elevator is replaced.
In order to solve above-mentioned problem, the present invention provides the brake for hoist of a kind of elevator, it is to have the lift car and balance weight that are connected by hoist cable, drive hoist engine that this lift car and balance weight carry out lifting and the braking dish with this hoist engine synchronous rotary, and by pressing braking dish, hoist engine is produced the brake of the elevator of brake force, this brake has a pair brake shoe, actuator and brake main body, this a pair brake shoe has the brake pad on two faces being pressed against braking dish, brake shoe is exerted a force by this actuator by connecting elements, this brake body supports brake shoe and connecting elements, the brake for hoist of described elevator is characterised by, have: run through the brake pin of brake shoe, installation component, this installation component is arranged on connecting elements, and brake shoe is installed in rotation on the front end of connecting elements by brake pin, it is arranged on the snap portions on brake pin, and plate, this plate engages with this snap portions, and is fixed on brake shoe.
Invention effect
The brake for hoist of the elevator of the present invention has: a pair brake shoe, actuator and brake main body, brake shoe is had the brake pad on two faces being pressed against braking dish by this, brake shoe is exerted a force by this actuator by connecting elements, this brake body supports brake shoe and connecting elements, the brake for hoist of this elevator has: run through the brake pin of brake shoe; Installation component, this installation component is arranged on connecting elements, and brake shoe is installed in rotation on the front end of connecting elements by brake pin; It is arranged on the snap portions on brake pin; And plate, this plate engages with this snap portions, and is fixed on brake shoe. Thereby, it is possible to provide a kind of technology, the brake pad of brake device for elevator need not just can be replaced from taking off brake supporting seat by it by brake shoe easily.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the lift facility of the present invention.
Fig. 2 is the schematic diagram of the hoist engine that the brake of the present invention is arranged on brake supporting seat.
Fig. 3 be Fig. 2 arrow A shown in the direction view in direction.
Fig. 4 is the Fig. 3 enlarged drawing to C portion.
Fig. 5 is the section B-B figure of Fig. 4.
Detailed description of the invention
Fig. 1 is the schematic diagram of the lift facility in embodiments of the present invention. As it is shown in figure 1, brake device for elevator 100 has the braking dish 101 on the rotating shaft S being arranged on hoist engine H and brake 102. Braking dish 101 is coaxially fixed with to the rope sheave 103 of the hoist engine H that the hoist cable 104 being connected lift car C and balance weight W is driven, with rope sheave 103 synchronous rotary under the driving of motor M. Brake 102 has the actuator being made up of not shown electromagnetism winding and spring, under non-excited state, relies on the elastic force of spring to be pressed against by brake shoe on braking dish 101, thus produces brake force at braking dish 101.
Fig. 2 is schematic diagram when being arranged on brake supporting seat 2 of the brake 102 in brake device for elevator 100. Brake 102 is arranged on brake supporting seat 2 by lower pin 3 and upper pin 4. B represents the pedestal supporting brake supporting seat 2.
Fig. 3 be Fig. 2 arrow A shown in the direction view in direction. Front end is provided with a pair brake shoe 1 of brake pad 15 and relatively arranges to ground across braking dish 101. 12 represent and screw togather with brake main body 16 and be connected the stroke adjustment bolt as connecting elements of brake shoe 1 and brake 102, its connection brake shoe 1 and brake 102. Stroke adjustment bolt 12 regulates the operating distance of the brake shoe 1 when braking. 13 locking nuts representing fixed journey system adjusting bolt 12, CR represents the brake iron core with the actuator being made up of not shown electromagnetism winding and spring.
When braking, utilize the not shown spring being built in brake iron core CR, via connecting rod 18, the brake shoe 1 of brake 102 side is pressed towards braking dish 101. As a result of which it is, a pair brake shoe 1 being arranged on braking dish 101 both sides presses braking dish 101 by brake pad 15, the rope sheave 103 to the hoist engine H shown in Fig. 1 gives brake force. 6 represent brake pin, and 7 represent plate, and 17 represent the installation component being made up of elastomers such as leaf springs.
Fig. 4 is the enlarged drawing of the C portion of Fig. 3. Figure 4 illustrates and make the energising of not shown electromagnetism winding and make a pair brake shoe 1 separate the state of (not contacting) with braking dish 101. Fig. 4 is the schematic diagram of the major part of the present invention eliminating brake main body 16. The front end of stroke adjustment bolt 12 engages with the slot 14 of brake shoe 1 by being engaged in the jut T of the slot 14 of brake shoe 1 rotatably, thus engaging with slot 14 rotatably. Stroke adjustment bolt 12 is provided with installation component 17, is engaged with brake pin 6 by the sweep of installation component 17 front end, brake shoe 1 is freely rotatably mounted on stroke adjustment bolt 12. 5 split pins representing the slip-off preventing being maintained on brake shoe 1 by brake pin 6. In the side of brake shoe 1, the plate 7 with the grooving 10 engaged with brake pin 6 is fixed on brake shoe 1 by screw 8. 11 represent the operation part arranging L-shaped on the board 7, and 15 represent brake pad.
Fig. 5 is the section B-B figure of Fig. 4, as illustrated in the diagram, it is shown that the situation when sweep of installation component 17 and brake pin 6 are fastened togather. Additionally, the front end of stroke adjustment bolt 12 is engaged with the slot 14 of brake shoe 1 by jut T. Brake pin 6 is formed the step part 9 that the grooving 10 with plate 7 engages.
When illustrating that brake 102 is maintained referring to Fig. 3 to Fig. 5, (when especially brake pad 15 is changed) takes off the step of brake shoe 1 from brake 102.
First, when brake 102 is energized, as it is shown in figure 5, the split pin 5 being arranged on brake pin 6 is taken off. Hereafter, the lock-screw 8 of fastening plate 7 and brake shoe 1 is taken off. Brake pin 6 runs through brake shoe 1, and the side of plate 7 is formed with grooving 10, and this grooving 10 has the shape that can engage with the step part 9 of brake pin 6. Therefore, after taking off lock-screw 8, it is operated by part 11 and makes plate 7 move horizontally towards with grooving 10 opposite direction, it is possible to take off brake shoe 1. Now, by clamping the operation part 11 prominent towards braking dish radial direction formed on the board 7 with hands, it is possible to make plate 7 move horizontally easily.
Hereafter, the locking nut 13 shown in Fig. 3 is unclamped. Further the stroke adjustment bolt 12 shown in Fig. 4 is unclamped relative to brake main body 16, make the brake shoe 1 of stroke adjustment side separate with braking dish 101. Afterwards, the brake pin 6 of stroke adjustment bolt 12 side is extracted towards the direction (the paper vertical direction of Fig. 4) being provided with plate 7.
Due to the slot portion 14 of the channel-shaped that the radial direction being provided with on brake shoe 1 at braking dish 101 is formed continuously, thus the same with brake pin 6, it is possible to brake shoe 1 is extracted towards the radial direction of braking dish 101.
When needing the brake shoe 1 taking off brake 102 main body side, make brake 102 main body move horizontally away from the direction of the braking surface of braking dish 101, make brake shoe 1 separate with braking dish 101. Hereafter, take off split pin 5 equally, after taking off lock-screw 8, plate 7 is made to move horizontally and it be taken off from brake pin 6, after extracting brake pin 6, brake shoe 1 is extracted by the same radial direction along braking dish from brake 102 main body, it is possible to take off the brake shoe 1 of brake 102 main body side.
Symbol description
1 brake shoe
2 brake supporting seats
3 lower pin
4 upper pin
5 split pins
6 brake pins
7 plates
8 lock-screws
9 step parts
10 groovings
11 operation parts
12 stroke adjustment bolts
13 locking nuts
14 slots
15 brake pads
16 brake main bodys
17 installation components
18 connecting rods
100 brake device for elevator
101 braking dishes
102 brakes
103 rope sheaves
104 hoist cables
H hoist engine
C lift car
W balance weight
CR brake iron core
Claims (5)
1. a brake for hoist for elevator, it has: the lift car connected by hoist cable and balance weight; This lift car and balance weight is made to carry out the hoist engine of elevating movement; Braking dish with this hoist engine synchronous rotary; A pair brake shoe, the pair of brake shoe has the brake pad on two faces being pressed against described braking dish; Actuator, this brake shoe is exerted a force by described actuator by connecting elements; And brake main body, brake shoe and connecting elements described in described brake body supports, in the brake for hoist of this elevator, by pressing this braking dish, described hoist engine is produced brake force,
It is characterized in that,
Described brake for hoist has: run through the brake pin of described brake shoe; Installation component, described installation component is arranged on described connecting elements, and described brake shoe is installed in rotation on the front end of described connecting elements by described brake pin; It is arranged on the snap portions on described brake pin; And plate, described plate engages with this snap portions, and is fixed on described brake shoe,
The front end of described connecting elements engages with the described slot of described brake shoe by being engaged in the jut of the slot of described brake shoe rotatably, closed with described brake pin card by the sweep of the front end of described installation component, thus described brake shoe is freely rotatably mounted on described connecting elements.
2. the brake for hoist of elevator as claimed in claim 1, it is characterised in that
The snap portions being arranged on described brake pin is the step part of described brake pin.
3. the brake for hoist of elevator as described in claim 1 or 2, it is characterised in that
Described plate is provided with the grooving that the snap portions with described brake pin engages.
4. the brake for hoist of elevator as described in claim 1 or 2, it is characterised in that
Described plate is provided with the operation part of assembly and disassembly operations.
5. the brake for hoist of elevator as described in claim 1 or 2, it is characterised in that
Described installation component is formed by leaf spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-279060 | 2012-12-21 | ||
| JP2012279060A JP6018906B2 (en) | 2012-12-21 | 2012-12-21 | Brake for hoisting machine in elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103879916A CN103879916A (en) | 2014-06-25 |
| CN103879916B true CN103879916B (en) | 2016-06-08 |
Family
ID=50949095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310692862.0A Active CN103879916B (en) | 2012-12-21 | 2013-12-17 | The brake for hoist of elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6018906B2 (en) |
| CN (1) | CN103879916B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016034872A (en) * | 2014-08-04 | 2016-03-17 | 株式会社日立製作所 | Hoist for elevator |
| EP3246587B1 (en) * | 2015-01-13 | 2021-04-21 | Hitachi, Ltd. | Brake device and elevator system |
| JP6280055B2 (en) * | 2015-01-14 | 2018-02-14 | 株式会社日立製作所 | Elevator hoist and method for installing elevator hoist |
| JP6606029B2 (en) * | 2016-07-15 | 2019-11-13 | 株式会社日立製作所 | Elevator hoisting machine and elevator device |
| CN107745638B (en) * | 2017-10-31 | 2023-10-10 | 天津交通职业学院 | Pure electric bus system device for recovering kinetic energy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56116930A (en) * | 1980-04-28 | 1981-09-14 | Nissin Kogyo Kk | Disc brake device for vehicle |
| FR2488962A1 (en) * | 1980-08-20 | 1982-02-26 | Tokico Ltd | DISC BRAKE PAD ASSEMBLY AND DISK BRAKE COMPRISING THIS ASSEMBLY |
| US5109958A (en) * | 1989-10-13 | 1992-05-05 | Mitsubishi Denki Kabushiki Kaisha | Brake unit for an elevator hoist apparatus |
| CA2036363C (en) * | 1990-04-13 | 1999-08-24 | William Sheridan | Disk brake for elevator |
| JP2009280325A (en) * | 2008-05-20 | 2009-12-03 | Mitsubishi Electric Corp | Brake device of elevator hoist |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH051037U (en) * | 1991-06-24 | 1993-01-08 | 日信工業株式会社 | Friction pad suspension structure for vehicle disc brakes |
| JP5191720B2 (en) * | 2007-10-31 | 2013-05-08 | 株式会社日立製作所 | Braking device for elevator hoisting machine |
-
2012
- 2012-12-21 JP JP2012279060A patent/JP6018906B2/en active Active
-
2013
- 2013-12-17 CN CN201310692862.0A patent/CN103879916B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56116930A (en) * | 1980-04-28 | 1981-09-14 | Nissin Kogyo Kk | Disc brake device for vehicle |
| FR2488962A1 (en) * | 1980-08-20 | 1982-02-26 | Tokico Ltd | DISC BRAKE PAD ASSEMBLY AND DISK BRAKE COMPRISING THIS ASSEMBLY |
| US5109958A (en) * | 1989-10-13 | 1992-05-05 | Mitsubishi Denki Kabushiki Kaisha | Brake unit for an elevator hoist apparatus |
| CA2036363C (en) * | 1990-04-13 | 1999-08-24 | William Sheridan | Disk brake for elevator |
| JP2009280325A (en) * | 2008-05-20 | 2009-12-03 | Mitsubishi Electric Corp | Brake device of elevator hoist |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014122103A (en) | 2014-07-03 |
| CN103879916A (en) | 2014-06-25 |
| JP6018906B2 (en) | 2016-11-02 |
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