CN109353914B - Return device of elevator permanent-magnet retarder - Google Patents
Return device of elevator permanent-magnet retarder Download PDFInfo
- Publication number
- CN109353914B CN109353914B CN201811399545.9A CN201811399545A CN109353914B CN 109353914 B CN109353914 B CN 109353914B CN 201811399545 A CN201811399545 A CN 201811399545A CN 109353914 B CN109353914 B CN 109353914B
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- rod
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- pull
- permanent
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- 230000000979 retarding effect Effects 0.000 claims abstract description 18
- 230000001360 synchronised effect Effects 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 241001584775 Tunga penetrans Species 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
Abstract
The application discloses a return device of a permanent-magnet retarder of an elevator, which comprises a reciprocating push-pull device, an ejector rod, a first arm rod and a second arm rod; the ejector rod is provided with an ejector rod sliding groove, and one end of the ejector rod is connected with the reciprocating push-pull device; one end of the first arm rod is hinged with the first rotating shaft, and the other end of the first arm rod is provided with an arm rod sliding groove; one end of the second arm rod is hinged with the second rotating shaft, and the other end of the second arm rod is provided with an arm rod sliding groove; the arm lever sliding grooves of the first arm lever and the second arm lever are connected in the ejector rod sliding groove through a connecting pin shaft. The resetting process of the resetting device is as follows: the reciprocating push-pull device drives the ejector rod to move upwards, and simultaneously drives one ends of the first arm rod and the second arm rod, which are provided with the arm rod sliding grooves, to move upwards, so that the other ends of the arm rods rotate around the corresponding rotating shafts, and the rotating direction is opposite to the direction when the permanent magnet retarding device is triggered, so that the first lifting pull rod and the second lifting pull rod move to drive the permanent magnet retarding device to reset.
Description
Technical Field
The application belongs to the technical field of elevator falling safety protection, and particularly relates to a return device of an elevator permanent-magnet retarder.
Background
The action of the safety tongs device is that the rope clamping tongs clamp the speed limiter rope through the action of the speed limiter, the speed limiter rope lifts the safety tongs link mechanism along with the downward running of the car, and the safety tongs link mechanism acts to drive the safety tongs braking element to contact with the guide rail, so that the safety tongs on two sides of the guide rail are clamped on the guide rail at the same time, and the car is stopped. The safety tongs are generally arranged on the bottom beam or the upright posts on two sides of the car and mainly comprise a tongs seat, wedge blocks, a lifting rod, a lifting mechanism arranged on the upper beam of the car and the like. And meanwhile, the corresponding safety switch device acts to stop the rotation of the traction machine. When the safety tongs do not act, the wedge blocks and the guide rail working surface keep a gap of 2-3 mm. The clearance between two sides of the safety tongs is uniform, and the car can be reliably stopped on the guide rail during the action. If want to resume the safety tongs and make the car can move again this moment, then need professional maintenance personnel's intervention, at first need confirm the floor that the car stagnates, then need have the staff to get into in the computer lab of elevator, check the hauler, fix the hauler leading wheel through the jigger hand wheel, can remove hauler band-type brake state this moment, through artifical manual jigger, slowly promote the car to the flat bed position of well, after the car rises to the flat bed position, open the sedan-chair door by the staff, rescue out stranded personnel in the car.
In the prior art, the recovery action after the safety device is triggered is complex, the assistance of professional staff is needed, the rescue time is long, the operation is complex, and the application researches a return system capable of automatically resetting according to the complex recovery process after the existing elevator safety system is triggered, and the action is not complex without the assistance of excessive staff; can automatically reset after the elevator car is leveled and personnel are safely evacuated.
Disclosure of Invention
The application aims to provide a return device of a permanent-magnet retarder of an elevator.
The technical scheme for solving the technical problems is as follows: a return device of an elevator permanent-magnet retarder, which comprises a first permanent-magnet retarder, a second permanent-magnet retarder and a synchronous triggering mechanism; the synchronous triggering mechanism comprises a pull rod, a first rotating shaft, a second rotating shaft, a first lifting pull rod, a second lifting pull rod and a synchronous rod; the first lifting rod and the second lifting rod comprise lifting ends and synchronous ends; one end of the pull rod is hinged with the clamping seat, and the other end of the pull rod is fixedly connected with the first rotating shaft; the first lifting rod is fixedly connected with the first rotating shaft; the second lifting rod is fixedly connected with the second rotating shaft; the synchronous rod is respectively connected with the synchronous end of the first lifting pull rod and the synchronous end of the second lifting pull rod; the lifting end of the first lifting pull rod is connected with the first permanent magnetic retarding device, and the lifting end of the second lifting pull rod is connected with the second permanent magnetic retarding device; the return device comprises a reciprocating push-pull device, a push rod, a first arm rod and a second arm rod; the ejector rod is provided with an ejector rod sliding groove, and one end of the ejector rod is connected with the reciprocating push-pull device; one end of the first arm rod is fixedly connected with the first rotating shaft, and the other end of the first arm rod is provided with an arm rod sliding groove; one end of the second arm rod is fixedly connected with the second rotating shaft, and the other end of the second arm rod is provided with an arm rod chute; the arm lever sliding grooves of the first arm lever and the second arm lever are connected in the ejector rod sliding groove through a connecting pin shaft.
The return device of the elevator permanent-magnet retarder disclosed by the application further comprises a mounting seat, wherein the mounting seat is connected with the reciprocating push-pull device and is fixed on the elevator car frame.
The return device of the elevator permanent-magnet retarder disclosed by the application further comprises an electric push rod which is connected with the ejector rod to drive the ejector rod to reciprocate.
The return device of the elevator permanent-magnet retarder disclosed by the application is further characterized in that the reciprocating push-pull device is a hydraulic cylinder, and the hydraulic cylinder is connected with the ejector rod to drive the ejector rod to reciprocate.
The resetting process of the resetting device is as follows: the reciprocating push-pull device drives the ejector rod to move upwards, and simultaneously drives one ends of the first arm rod and the second arm rod, which are provided with the arm rod sliding grooves, to move upwards, so that the other ends of the arm rods rotate around the corresponding rotating shafts, and the rotating direction is opposite to the direction when the permanent magnet retarding device is triggered, so that the first lifting pull rod and the second lifting pull rod move to drive the permanent magnet retarding device to reset.
Drawings
The foregoing and/or other advantages of the present application will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the application, wherein:
fig. 1 is a schematic view of a return device of a permanent magnet retarder of an elevator according to an embodiment of the application;
fig. 2 is a schematic diagram of a synchronous trigger mechanism according to an embodiment of the present application.
In the drawings, the list of components represented by the various numbers is as follows:
1. the reciprocating push-pull device comprises 2, a push rod, 3, a first arm lever, 4, a second arm lever, 5, a synchronous trigger mechanism, 6, a connecting pin shaft, 7 and a mounting seat, 8, ejector rod sliding grooves, 51, pull rods, 52, first rotating shafts, 53, synchronizing rods, 54, first lifting pull rods, 55, second lifting pull rods, 56 and second rotating shafts.
Detailed Description
Hereinafter, an embodiment of the return device of the permanent magnet retarder of an elevator according to the application will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present application, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the application to the embodiments and scope of the application. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification, including those adopting any obvious substitutions and modifications to the embodiments described herein.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present application, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present application, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 1 and 2 show a return device of an elevator permanent magnet retarder according to an embodiment of the application, the elevator permanent magnet retarder comprising a first permanent magnet retarder, a second permanent magnet retarder and a synchronous triggering mechanism 5; the synchronous triggering mechanism 5 comprises a pull rod 51, a first rotating shaft 52, a second rotating shaft 56, a first lifting pull rod 54, a second lifting pull rod 55 and a synchronous rod 53; the first and second lift pins 54, 55 each include a lift end and a synchronization end; one end of the pull rod 51 is hinged with the clamping seat, and the other end of the pull rod is fixedly connected with the first rotating shaft 52; the first lifting rod 54 is fixedly connected with the first rotating shaft 52; the second lifting rod 55 is fixedly connected with the second rotating shaft 56; the synchronizing rod 53 is respectively connected with the synchronizing end of the first lifting rod 54 and the synchronizing end of the second lifting rod 55; the lifting end of the first lifting rod 54 is connected with a first permanent magnetic retarder, and the lifting end of the second lifting rod 55 is connected with a second permanent magnetic retarder.
The return device comprises a reciprocating push-pull device 1, a push rod 2, a first arm rod 3 and a second arm rod 4; the ejector rod 2 is provided with an ejector rod chute 8, and one end of the ejector rod 2 is connected with the reciprocating push-pull device 1; one end of the first arm lever 3 is fixedly connected with the first rotating shaft 52, and the other end is provided with an arm lever chute; one end of the second arm lever 4 is fixedly connected with the second rotating shaft 56, and the other end is provided with an arm lever chute; the arm lever sliding grooves of the first arm lever 3 and the second arm lever 4 are connected in the ejector rod sliding groove 8 through the connecting pin shaft 6.
The first permanent magnet retarding device and the second permanent magnet retarding device are symmetrically fixed to two sides of the elevator car, and when the elevator car falls and stalls, the synchronous triggering mechanism is used for triggering, so that the permanent magnet retarding device is used for realizing the speed reduction of the elevator car. Before the maintenance of the elevator system is finished and the elevator system is put into normal use again, the resetting device is utilized to reset the permanent magnet retarding device. Specifically, the reciprocating push-pull device drives the ejector rod to move upwards, and simultaneously drives one ends of the first arm rod and the second arm rod, which are provided with the arm rod sliding grooves, to move upwards, so that the other ends of the arm rods rotate around the corresponding rotating shafts, and the rotating direction is opposite to the direction of the permanent magnet retarding trigger, so that the first lifting pull rod and the second lifting pull rod move to drive the permanent magnet retarding device to reset.
In a further preferred embodiment of the return device of the permanent-magnet retarder of an elevator, it further comprises a mounting seat 7, the mounting seat 7 being connected with the reciprocating push-pull device 1, the mounting seat 7 being fixed on the elevator car frame. Firstly, the reciprocating push-pull device is fixedly connected with the mounting seat, and then the mounting seat is fixedly connected with the elevator car frame, so that the construction difficulty of connecting the reciprocating push-pull device with the elevator car frame can be simplified. In addition, can be according to the mount pad that the structure size customization corresponds of reciprocal push-and-pull device, elevator car frame, realize more firm fixed effect.
In a specific return device embodiment of the permanent-magnet retarder of the elevator, the reciprocating push-pull device 1 is an electric push rod, and the electric push rod is connected with the ejector rod 2 to drive the ejector rod 2 to reciprocate. The electric push rod uses the screw pair to change the rotation into the reciprocating linear motion actuating mechanism, and compared with the hydraulic cylinder, the electric push rod has low cost and saves energy and operation cost. In another specific embodiment of the return device of the permanent-magnet retarder of the elevator, the reciprocating push-pull device 1 is a hydraulic cylinder, and the hydraulic cylinder is connected with the ejector rod 2 to drive the ejector rod 2 to reciprocate.
The above disclosed features are not limited to the disclosed combinations with other features, and other combinations between features can be made by those skilled in the art according to the purpose of the application to achieve the purpose of the application.
Claims (4)
1. The return device of the elevator permanent-magnet retarder is characterized by comprising a first permanent-magnet retarder, a second permanent-magnet retarder and a synchronous triggering mechanism; the synchronous triggering mechanism comprises a pull rod, a first rotating shaft, a second rotating shaft, a first lifting pull rod, a second lifting pull rod and a synchronous rod; the first lifting rod and the second lifting rod comprise lifting ends and synchronous ends; one end of the pull rod is hinged with the clamping seat, and the other end of the pull rod is fixedly connected with the first rotating shaft; the first lifting rod is fixedly connected with the first rotating shaft; the second lifting rod is fixedly connected with the second rotating shaft; the synchronous rod is respectively connected with the synchronous end of the first lifting pull rod and the synchronous end of the second lifting pull rod; the lifting end of the first lifting pull rod is connected with the first permanent magnetic retarding device, and the lifting end of the second lifting pull rod is connected with the second permanent magnetic retarding device; the return device comprises a reciprocating push-pull device, a push rod, a first arm rod and a second arm rod; the ejector rod is provided with an ejector rod sliding groove, and one end of the ejector rod is connected with the reciprocating push-pull device; one end of the first arm rod is fixedly connected with the first rotating shaft, and the other end of the first arm rod is provided with an arm rod sliding groove; one end of the second arm rod is fixedly connected with the second rotating shaft, and the other end of the second arm rod is provided with an arm rod chute; the arm lever sliding grooves of the first arm lever and the second arm lever are connected in the ejector rod sliding groove through a connecting pin shaft; the first permanent magnet retarding device and the second permanent magnet retarding device are symmetrically fixed to two sides of the elevator car, when the elevator car falls and stalls, the synchronous triggering mechanism is utilized for triggering, the permanent magnet retarding device is utilized for realizing the speed reduction of the elevator car, and the return device is utilized for realizing the reset of the permanent magnet retarding device.
2. The return device of an elevator permanent magnet retarder of claim 1 further comprising a mounting base coupled to the reciprocating push-pull device, the mounting base being secured to the elevator car frame.
3. The return device of the permanent magnet retarder of the elevator according to claim 1, wherein the reciprocating push-pull device is an electric push rod, and the electric push rod is connected with the ejector rod to drive the ejector rod to reciprocate.
4. The return device of the permanent magnet retarder of the elevator according to claim 1, wherein the reciprocating push-pull device is a hydraulic cylinder, and the hydraulic cylinder is connected with the ejector rod to drive the ejector rod to reciprocate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399545.9A CN109353914B (en) | 2018-11-22 | 2018-11-22 | Return device of elevator permanent-magnet retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399545.9A CN109353914B (en) | 2018-11-22 | 2018-11-22 | Return device of elevator permanent-magnet retarder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109353914A CN109353914A (en) | 2019-02-19 |
| CN109353914B true CN109353914B (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811399545.9A Active CN109353914B (en) | 2018-11-22 | 2018-11-22 | Return device of elevator permanent-magnet retarder |
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| Country | Link |
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| CN (1) | CN109353914B (en) |
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| GB1178932A (en) * | 1967-07-21 | 1970-01-21 | Martin Hoist And Engineering C | A Hoist Brake Application Retarding Device |
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| CN109353914A (en) | 2019-02-19 |
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