CN105110130A - AC (Alternating Current) variable frequency speed regulating loading lift assembly - Google Patents
AC (Alternating Current) variable frequency speed regulating loading lift assembly Download PDFInfo
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- CN105110130A CN105110130A CN201510586501.7A CN201510586501A CN105110130A CN 105110130 A CN105110130 A CN 105110130A CN 201510586501 A CN201510586501 A CN 201510586501A CN 105110130 A CN105110130 A CN 105110130A
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- car
- variable frequency
- lift
- frequency speed
- hoistway
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Abstract
The invention provides an AC (Alternating Current) variable frequency speed regulating loading lift assembly. The AC variable frequency speed regulating loading lift assembly comprises a well and a lift car arranged in the well, wherein a buffer is arranged at the bottom of the well; a tractor is arranged at the top end of the well; the tractor is connected with a second guide wheel arranged at the bottom of the lift car through a steel wire rope; the second guide wheel is connected with a first guide wheel through a steel wire rope; a speed governor rope is connected with a speed governor; safety tongs and a safety mechanism are arranged at the bottom of the car frame of the lift car; a door-motor system and car top guard bars is arranged on the top end of the lift car; and a car door is arranged on one side of the lift car. According to the AC variable frequency speed regulating loading lift assembly disclosed by the invention, when a lift is overspeed; or the moving of the lift is out of control; or a hanging device is broken, in order to avoid personnel casualties and equipment damage accidents, automatic protection is performed through the safety tongs, the speed governor, a wire holder and the buffer; furthermore, a mechanical lock device, namely a door lock device is designed, and a safety switch is arranged, so that an action electrical signal of the lift car is fed back to a main program, and dangerous movement of the lift car caused by any accidental injury is avoided.
Description
Technical field
The present invention relates to a kind of elevator, particularly a kind of AC frequency conversion elevator.
Background technology
The vertical conveyor of elevator to be a kind of with towing machine be power, is equipped with box like gondola, takes advantage of people or carrying goods for tier building.Vertical lift elevator has a car, operates in the vertical or leaning angle of at least two row and is less than between the rigid guideway of 15 °.Car size and version are convenient to passenger and are come in and gone out or handling goods.No matter its type of drive traditionally, using the general name of elevator as vertical transportation transportation means in building.Slower elevators (below 1 meter per second), express lift (1 ~ 2 meter per second) and express elevator (more than 2 meter per seconds) can be divided by speed.Mid-term in 19th century starts to occur hydraulic elevator, still applies on low-rise building so far.1852, the E.G. Otis of the U.S. developed the safety cage of rope hoisting.The eighties, actuating device has further improvement, as towing machine is driven winding reel by worm drive, adopted counterbalanced weight etc.In 19 end of the centurys, have employed frictional wheel drive, greatly increase the hoisting depth of elevator.
Along with the progress in the development epoch of society, people are to the life safety attention especially of oneself, and nowadays have many hazard events at the secure context of elevator and occur, cutting maintenance also has certain insecurity, complex structure, designs unreasonable.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, the general assembly of a kind of ac variable frequency speed regulation load elevator is provided, velocity limiter is used to be the instruction person of sending, and safety tongs is executive, and avoid occurring personal casualty and device damage accident, energy disperser is after being clashed into, and the generation of Accident prevention, effectively can solve the problem in background technology.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The invention provides the general assembly of a kind of ac variable frequency speed regulation load elevator, comprise hoistway and be arranged on the car in hoistway, described shaft bottom is provided with energy disperser, described hoistway top is provided with towing machine, described towing machine connects the second track adjusting wheel of cage bottom setting by steel rope, described second track adjusting wheel connects the first track adjusting wheel by steel rope, and described steel rope is connected with velocity limiter; Described cage bottom side is provided with safety gear, and described car top is provided with door mechanism system, safety tongs, sedan-chair frame and car top guard, and described car side is provided with gate.
As a preferred technical solution of the present invention, described first track adjusting wheel is arranged on well headroom, and described velocity limiter is arranged on well headroom, and described velocity limiter is made up of fly jib, anchor and fixing ratchet; Described energy disperser is provided with spring.
As a preferred technical solution of the present invention, described door mechanism system is connected with gate, and described gate is provided with door closing device, and described door closing device is made up of extension spring and pendulum.
As a preferred technical solution of the present invention, described car top guard surface spraying has yellow warning paint, and described car top guard is to sedan-chair top outward flange 0.13m.
The beneficial effect that compared with prior art the present invention reaches is: the present invention when elevator overspeed, run the fracture of out of control or suspension gear time, velocity limiter is the instruction person of sending, and safety tongs is executive, and keep quiescence, thus avoid personal casualty and device damage accident occur; Energy disperser is after being clashed into, and it makes the kinetic energy of car or counterweight and potential energy be the elastic deformation energy of spring, due to the antagonistic force of spring, car and counterweight is slowed down.But when after spring-compressed to end position, will inevitably rebound.Elastic deformation energy in buffer release process.Car still will rebound to rise to produce and clash into.Velocity of impact is higher, and bounce-back speed is larger, the generation of Accident prevention; Prevent the danger bringing injury to maintainer or testing staff, we are designed with a mechanical lock device, are locked on guide rail by car, and are provided with safety switch, its action electric signal is fed back to main program, with the movement preventing any accidental injury from causing car danger.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is the structural representation of a kind of ac variable frequency speed regulation load of the present invention elevator general assembly;
Fig. 2 is the structural representation of car of the present invention;
Fig. 3 is the side schematic view of car of the present invention;
Number in the figure: 1, hoistway; 2, towing machine; 3, the first track adjusting wheel; 4, velocity limiter; 5, the second track adjusting wheel; 6, energy disperser; 7, safety gear; 8, car; 9, gate; 10, door mechanism system; 11, safety tongs; 12, sedan-chair frame; 13, car top guard; 14 steel ropes.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Embodiment: as Figure 1-3, the invention provides the general assembly of a kind of ac variable frequency speed regulation load elevator, comprise hoistway 1 and be arranged on the car 8 in hoistway 1, energy disperser 6 is provided with bottom described hoistway 1, described hoistway 1 top is provided with towing machine 2, described towing machine 2 connects the second track adjusting wheel 5 arranged bottom car 8 by steel rope 14, described second track adjusting wheel 5 connects the first track adjusting wheel 3 by steel rope 14, and described steel rope 14 is connected with velocity limiter 4; Bottom described car 8, side is provided with safety gear 7, and described car 8 top is provided with door mechanism system 10, safety tongs 11, sedan-chair frame 12 and car top guard 13, and described car 8 side is provided with gate 9.
Be provided with energy disperser 6 bottom described hoistway 1, energy disperser 6 is after being clashed into, and it makes the kinetic energy of car 8 or counterweight and potential energy be the elastic deformation energy of spring, due to the antagonistic force of spring, car 8 and counterweight is slowed down.But when after spring-compressed to end position, will inevitably rebound.Elastic deformation energy in buffer release process.Car 8 still will rebound to rise to produce and clash into.Velocity of impact is higher, and bounce-back speed is larger, the generation of Accident prevention, and described energy disperser 6 always allows quality 3000 ~ 6800kg, buffer height 200mm.
Described first track adjusting wheel 3 is arranged on hoistway 1 top, described velocity limiter 4 is arranged on hoistway 1 top, described velocity limiter 4 is by fly jib, anchor and fixing ratchet composition, work as elevator overspeed, when running out of control or suspension gear fracture, velocity limiter 4 is the instruction persons of sending, and safety tongs 11 is executives, and keep quiescence, thus avoid personal casualty and device damage accident occur, the command speed of velocity limiter is 0.25m/s ~ 2.5m/s, when safety device action, required power is 300N, described safety tongs 11 command speed is 1.0m/s, described safety tongs always allows weight to be 6200kg, guide rail width is 16mm.
Described door mechanism system 10 is connected with gate 9, described gate 9 is provided with door closing device, described door closing device is made up of extension spring and pendulum, be responsible for the mechanism opening and closing elevator hall's gate, when it is subject to elevator open and close gate signal, elevator door-motor controls enabling motor by the control system carried, and the moment that motor produces is changed into the power of a specific direction, closes or open door.In time stoping door closing force to be greater than 150N, door machine stops closing the door automatically, and reverse opening door, play protective effect of closing the door to a certain extent.
In described car, actual height is 2.4m, and gate height is 2.1m, sedan-chair wall width 410,450,500, and thickness of slab is the cold bundle steel plate of 1.5, ensure that the mechanical strength of sedan-chair wall.
Described car top guard 12 surface spraying has yellow warning paint, described car top guard 12 to sedan-chair top outward flange 0.13m.
The present invention when elevator overspeed, run the fracture of out of control or suspension gear time, velocity limiter 4 is the instruction persons of sending, and safety tongs 11 is executives, and keeps quiescence, thus avoids personal casualty and device damage accident occur; Energy disperser 6 is after being clashed into, and it makes the kinetic energy of car 8 or counterweight and potential energy be the elastic deformation energy of spring, due to the antagonistic force of spring, car and counterweight is slowed down.But when after spring-compressed to end position, will inevitably rebound.Elastic deformation energy in buffer release process.Car still will rebound to rise to produce and clash into.Velocity of impact is higher, and bounce-back speed is larger, the generation of Accident prevention; Prevent the danger bringing injury to maintainer or testing staff, we are designed with a mechanical lock device, are locked on guide rail by car 8, and are provided with safety switch, its action electric signal is fed back to main program, with the movement preventing any accidental injury from causing car danger.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. ac variable frequency speed regulation load elevator general assembly, comprise hoistway (1) and be arranged on the car (8) in hoistway (1), it is characterized in that, described hoistway (1) bottom is provided with energy disperser (6), described hoistway (1) top is provided with towing machine (2), described towing machine (2) connects second track adjusting wheel (5) of car (8) bottom setting by steel rope (14), described second track adjusting wheel (5) connects the first track adjusting wheel (3) by steel rope (14), described steel rope (14) is connected with velocity limiter (4), side, described car (8) bottom is provided with safety gear (7), described car (8) top is provided with door mechanism system (10), safety tongs (11), sedan-chair frame (12) and car top guard (13), and described car (8) side is provided with gate (9).
2. a kind of ac variable frequency speed regulation load elevator according to claim 1 general assembly, it is characterized in that, described first track adjusting wheel (3) is arranged on hoistway (1) top, described velocity limiter (4) is arranged on hoistway (1) top, and described velocity limiter (4) is made up of fly jib, anchor and fixing ratchet; Described energy disperser (6) is provided with spring.
3. a kind of ac variable frequency speed regulation load elevator according to claim 1 general assembly, it is characterized in that, described door mechanism system (10) is connected with gate (9), and (9) are provided with door closing device to described gate, and described door closing device is made up of extension spring and pendulum.
4. a kind of ac variable frequency speed regulation load elevator according to claim 1 general assembly, is characterized in that, described car top guard (12) surface spraying has yellow warning paint, and described car top guard (12) is to sedan-chair top outward flange 0.13m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510586501.7A CN105110130A (en) | 2015-09-15 | 2015-09-15 | AC (Alternating Current) variable frequency speed regulating loading lift assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510586501.7A CN105110130A (en) | 2015-09-15 | 2015-09-15 | AC (Alternating Current) variable frequency speed regulating loading lift assembly |
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| Publication Number | Publication Date |
|---|---|
| CN105110130A true CN105110130A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510586501.7A Pending CN105110130A (en) | 2015-09-15 | 2015-09-15 | AC (Alternating Current) variable frequency speed regulating loading lift assembly |
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| CN (1) | CN105110130A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585655A (en) * | 2017-10-30 | 2018-01-16 | 广东科德智能装备有限公司 | A kind of safety device of continuous lifting machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286741Y (en) * | 1997-02-24 | 1998-07-29 | 杭州电梯厂 | Frequency-chanageable voltage-variable ac. speed-adjusting dual-purpose elevator both for passenger and goods |
| CN101024465A (en) * | 2006-02-20 | 2007-08-29 | 株式会社日立制作所 | Elevator testing method and its assistant device and elevator device |
| CN102530687A (en) * | 2012-02-24 | 2012-07-04 | 苏州海仑士科技有限公司 | Device for automatically closing elevator hoistway door |
| CN103052583A (en) * | 2010-08-06 | 2013-04-17 | 三菱电机株式会社 | Elevator speed governor |
-
2015
- 2015-09-15 CN CN201510586501.7A patent/CN105110130A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286741Y (en) * | 1997-02-24 | 1998-07-29 | 杭州电梯厂 | Frequency-chanageable voltage-variable ac. speed-adjusting dual-purpose elevator both for passenger and goods |
| CN101024465A (en) * | 2006-02-20 | 2007-08-29 | 株式会社日立制作所 | Elevator testing method and its assistant device and elevator device |
| CN103052583A (en) * | 2010-08-06 | 2013-04-17 | 三菱电机株式会社 | Elevator speed governor |
| CN102530687A (en) * | 2012-02-24 | 2012-07-04 | 苏州海仑士科技有限公司 | Device for automatically closing elevator hoistway door |
Non-Patent Citations (1)
| Title |
|---|
| OLEO: "LSB10液压缓冲器", 《HTTP://WWW.OLEO.CN/PRODUCTS/VIEW/LSB-10》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585655A (en) * | 2017-10-30 | 2018-01-16 | 广东科德智能装备有限公司 | A kind of safety device of continuous lifting machine |
| CN107585655B (en) * | 2017-10-30 | 2024-04-12 | 湖北科德智能装备有限公司 | Safety protection device of continuous elevator |
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Application publication date: 20151202 |