CN204938624U - Used during elevator falling brake equipment - Google Patents
Used during elevator falling brake equipment Download PDFInfo
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- CN204938624U CN204938624U CN201520609060.3U CN201520609060U CN204938624U CN 204938624 U CN204938624 U CN 204938624U CN 201520609060 U CN201520609060 U CN 201520609060U CN 204938624 U CN204938624 U CN 204938624U
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- electromagnet
- toggle
- used during
- car
- elevator
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Abstract
This patent belongs at car, the brake equipment acted between cage or skip bucket and fixed guide element or elevator passage or elevator hoistways inside face or pawl device, specifically disclose a kind of used during elevator falling brake equipment, comprise the rack-shaped plate washer being fixed on hoistway wall and the brake unit be located in car lower floor, described brake unit comprises electromagnet, dividing plate made of iron, toggle, elastic component and limiting stopper, described limiting stopper is fixed on the bottom of car, one end of described elastic component is connected on electromagnet, the other end is connected on dividing plate, described dividing plate is provided with groove, toggle is hinged in groove, described toggle can be stuck on baffle plate.During normal circumstances, electromagnet is in off-position.When used during elevator falling, electromagnet is energized, thus produces magnetic force, and electromagnet overcomes the elastic force of elastic component, to partition movement.When electromagnet contact toggle, drive toggle to rotate, thus toggle is stuck on baffle plate.
Description
Technical field
The utility model belongs to the brake equipment or pawl device that act between car, cage or skip bucket and fixed guide element or elevator passage or elevator hoistways inside face, particularly relates to a kind of used during elevator falling brake equipment.
Background technology
The vertical conveyor of elevator to be a kind of with electrical motor be power, is equipped with box like gondola, takes advantage of people or carrying goods for tier building.The body of elevator is referred to as car, and car is typically provided with stay bearing plate, and car is divided into upper and lower two-layer by stay bearing plate, and upper strata is for supporting the personnel taking elevator, and lower floor is used for laying various equipment.Along with increasing of skyscraper, the use of elevator also increases thereupon, for ensureing lift running safety, must assemble elevator fall protection equipment.
Nowadays, elevator fall protection equipment realizes primarily of devices such as velocity limiter, safety tongs and hoistway bottom recoil springs.When the running velocity of elevator meets or exceeds the limit of setting, velocity limiter shuts down, and has lifted the connecting rod mechanism be arranged on car beam by the friction force in rope sheave or rope grip mechanism, sends signal by mechanical action, cutting-off controlling circuit, force safety tongs action simultaneously, thus make car by force stop on guide rail, only have when all safety switchs reset, when car is upwards mentioned, safety tongs could discharge, and when safety tongs does not return to normal condition, elevator can not use.The impulsive force of colliding surface when the recoil spring device of hoistway bottom can reduce used during elevator falling, but limited efficiency.On the one hand, because elevator often exists overload operation; On the other hand, during elevator installation and maintenance, unreasonable to debuging of steel rope, rope sheave, band-type brake etc.; Again on the one hand, elevator wire rope comes off or ruptures.Although elevator is equipped with above-mentioned two kinds of fall protection equipments, but can not avoid the generation of used during elevator falling accident completely, cause personal casualty.
So, be badly in need of a kind of extra brake equipment, to increase the safety performance of elevator, farthest avoid personal casualty during elevator used during elevator falling.
Utility model content
The purpose of this utility model is providing a kind of used during elevator falling brake equipment, to reduce the speed of used during elevator falling.
In order to achieve the above object, base case of the present utility model is: used during elevator falling brake equipment, comprise the rack-shaped plate washer being fixed on hoistway wall and the brake unit be located in car lower floor, described brake unit comprises electromagnet, dividing plate made of iron, toggle, elastic component and limiting stopper, described limiting stopper is fixed on the bottom of car, one end of described elastic component is connected on electromagnet, the other end is connected on dividing plate, described dividing plate is provided with groove, toggle is hinged in groove, described one end is positioned at immediately below electromagnet, and other end toggle can be stuck on baffle plate.
UPS as herein described refers to uninterrupted power supply (UPS), and being a kind of containing closed-center system, take inverter as the uninterrupted power supply (UPS) of the constant voltage constant frequency of chief component.Be mainly used in providing continual electric power supply to single computer, computer network system or other power electronic equipment.When civil power input is normal, UPS is supplied to load to use by after civil power voltage stabilizing, and UPS is now exactly an electric main voltage stabilizer, and it also charges to self-contained battery simultaneously; When commercial power interruption (forced outage), UPS is immediately by the electric energy of self-contained battery, and the square normal load changed by inversion continues supply 220V alternating current.
The principle of this base case is: during normal circumstances, and electromagnet is in off-position.When used during elevator falling, electromagnet is energized, thus produces magnetic force, and electromagnet overcomes the elastic force of elastic component, to partition movement.When electromagnet contact toggle, drive toggle to rotate, thus toggle is stuck on baffle plate.
The beneficial effect of this base case is: limiting stopper can prevent toggle inordinate rotation, when guaranteeing that electromagnet is energized, toggle can be depressed, and drives toggle to rotate.When toggle is stuck on baffle plate, good barrier effect is played to elevator, can actv. by elevator brake, because baffle plate is rack-shaped, even if cannot immediately by elevator brake, each tooth has certain barrier effect to toggle, makes elevator reduction of speed gradually.When used during elevator falling is to pit, the minimizing that the speed of elevator has obtained, actv. avoids the injures and deaths of personnel.
Scheme two: based on this, scheme is preferred, and the two side of described hoistway is equipped with baffle plate, and is provided with the brake unit corresponding with baffle plate.This design makes elevator both sides be equipped with brake unit, and when used during elevator falling, elevator both sides all can be subject to resistance, and braking is more steady, and braking effect is also better.
Scheme three: based on this, scheme or scheme two is preferred, and also comprise UPS, described UPS and electromagnet are electrically connected.When power is off, UPS can be had automatically to power to electromagnet, guarantee that electromagnet can run.
Scheme four: based on this, scheme or scheme two is preferred, and described dividing plate is provided with anti-rust paint.Anti-rust paint can prevent dividing plate from getting rusty, and adds the service life of dividing plate.Further, if dividing plate can make the ferrimagnetism of dividing plate reduce after getting rusty, the magnetic of dividing plate and electromagnet is caused to decline.
Scheme five: based on this, scheme or scheme two is preferred, the hinge of described toggle away from electromagnet, away from baffle plate.According to lever principle, electromagnet energising and dividing plate attracting, drive toggle rotation time, more laborsaving.
Scheme six: based on this, scheme or scheme two is preferred, and the bottom of car is also provided with cushion layer.When used during elevator falling is to pit, cushion layer can play good buffer action, guarantees the safety of passenger.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model used during elevator falling braking device embodiments;
Fig. 2 is the structural representation of brake unit in Fig. 1.
Detailed description of the invention
Below by detailed description of the invention, the utility model is described in further detail:
Reference numeral in Figure of description comprises: baffle plate 10, car 20, stay bearing plate 21, electromagnet 31, stage clip 32, dividing plate 33, toggle 34, limiting stopper 35.
As shown in Figure 1, car 20 is divided into upper and lower two-layer by stay bearing plate 21.This used during elevator falling brake equipment, comprises the rack-shaped plate washer 10 being fixed on hoistway two side and the brake unit be located in car 20 lower floor.Brake unit comprises electromagnet 31, dividing plate made of iron 33, toggle 34, stage clip 32 and limiting stopper 35, and limiting stopper is welded on the bottom of car 20, stage clip upper end be arranged on electromagnet 31, lower end end is connected on dividing plate 33.As shown in Figure 2, dividing plate 33 is coated with anticorrosion composition, and is provided with four grooves, brake unit is also four, and toggle 34 is by hinge in groove, and hinge-point is away from electromagnet 31, and near baffle plate 10, and the ratio of its arm of force is 3:1.Further, also install UPS in car 20, UPS and electromagnet 31 are electrically connected, and when having a power failure, UPS is to system power supply.The bottom of car 20 is also provided with cushion layer, and cushion layer is rubber pad.
During specific works, electromagnet, UPS in this used during elevator falling brake equipment are connected with the control system of the original protection system of elevator, can normally work.During normal circumstances, electromagnet 31 is in off-position.When used during elevator falling, controller controls electromagnet 31 and is energized, thus produces magnetic force, and electromagnet 31 overcomes the elastic force of stage clip 32, moves to dividing plate 33.When electromagnet 31 contacts toggle 34, drive toggle 34 to rotate, thus make toggle 35 be stuck on baffle plate 10, can actv. by elevator brake.Because baffle plate 10 is rack-shaped, even if cannot immediately by elevator brake, each tooth on baffle plate 10 has certain barrier effect to toggle 34, makes elevator reduction of speed gradually.When used during elevator falling is to pit, the minimizing that the speed of elevator has obtained, actv. avoids the injures and deaths of personnel.
Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from the utility model structure, some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in specification sheets etc. record the content that may be used for explaining claim.
Claims (6)
1. used during elevator falling brake equipment, it is characterized in that, comprise the rack-shaped plate washer being fixed on hoistway wall and the brake unit be located in car lower floor, described brake unit comprises electromagnet, dividing plate made of iron, toggle, elastic component and limiting stopper, described limiting stopper is fixed on the bottom of car, one end of described elastic component is connected on electromagnet, the other end is connected on dividing plate, described dividing plate is provided with groove, toggle is hinged in groove, one end of described toggle is positioned at immediately below electromagnet, and the other end can be stuck on baffle plate.
2. used during elevator falling brake equipment as claimed in claim 1, is characterized in that, the two side of described hoistway is equipped with baffle plate, and be provided with the brake unit corresponding with baffle plate.
3. used during elevator falling brake equipment as claimed in claim 1 or 2, it is characterized in that, also comprise UPS, described UPS and electromagnet are electrically connected.
4. used during elevator falling brake equipment as claimed in claim 1 or 2, it is characterized in that, described dividing plate is provided with anti-rust paint.
5. used during elevator falling brake equipment as claimed in claim 1 or 2, is characterized in that, the hinge of described toggle away from electromagnet, away from baffle plate.
6. used during elevator falling brake equipment as claimed in claim 1 or 2, it is characterized in that, the bottom of car is also provided with cushion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609060.3U CN204938624U (en) | 2015-08-14 | 2015-08-14 | Used during elevator falling brake equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609060.3U CN204938624U (en) | 2015-08-14 | 2015-08-14 | Used during elevator falling brake equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204938624U true CN204938624U (en) | 2016-01-06 |
Family
ID=55006067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520609060.3U Expired - Fee Related CN204938624U (en) | 2015-08-14 | 2015-08-14 | Used during elevator falling brake equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204938624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758459A (en) * | 2017-10-12 | 2018-03-06 | 沈小凤 | A kind of guarantee type elevator for preventing car and moving in advance |
| CN108516489A (en) * | 2018-05-10 | 2018-09-11 | 合肥航机械科技股份有限公司 | A kind of hydraulic cylinder lifting machine and its fall arrest method |
-
2015
- 2015-08-14 CN CN201520609060.3U patent/CN204938624U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758459A (en) * | 2017-10-12 | 2018-03-06 | 沈小凤 | A kind of guarantee type elevator for preventing car and moving in advance |
| CN107758459B (en) * | 2017-10-12 | 2019-07-16 | 沈小凤 | A kind of guarantee type elevator for preventing carriage and moving in advance |
| CN108516489A (en) * | 2018-05-10 | 2018-09-11 | 合肥航机械科技股份有限公司 | A kind of hydraulic cylinder lifting machine and its fall arrest method |
| CN108516489B (en) * | 2018-05-10 | 2020-08-04 | 浙江宏业装备科技有限公司 | Hydraulic cylinder lifter and falling prevention method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |