CN201525677U

CN201525677U - elevator

Info

Publication number: CN201525677U
Application number: CN200920013265XU
Authority: CN
Inventors: 华宏烨
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-27
Filing date: 2009-04-27
Publication date: 2010-07-14
Anticipated expiration: 2019-04-27

Abstract

The utility model provides an elevator. The elevator comprises a bogie and a suspension cage hung below the bogie; an anti-falling safety device is mounted in the suspension cage and fixed on a limiting anti-falling plate; and gears are arranged on the anti-falling plate. The elevator is characterized in that a distance sensor is fixed at the lower part of the bogie and forms a changeable distance with the top edge of the suspension cage, so that when the distance between the top edge of the suspension cage and the distance sensor is reduced to a rated value, the distance sensor starts; and the distance sensor is connected with an overload monitoring device in the suspension cage.

Description

Elevator

Technical field:

The utility model relates to a kind of mechanical equipment, relates in particular to a kind of elevator.

Background technology:

The working environment of cage is more abominable on the present elevator, the overload phenomenon also happens occasionally, and the danger in order to prevent to overload and brought, so whether need some sensors to detect overloads, the sensitivity of sensor directly influences the safety of elevator, employed sensor all is a pressure sensor in elevator at present, and this sensor is set directly in the bearing pin that tangles cage, and connects with the overload monitoring device; And bearing pin is promptly bearing the effect that the shearing action to it of cage is being born check weighing, and pressure sensor is just to start working under the situation of pressure contact, and the pressure sensor that is arranged in the bearing pin is in the oppression state for a long time, the insensitive state of sensor response will appear like this, at this moment just can't detect the overload situation normally, and in case long-term overload, will make the bearing pin strength reduction, even cause the fracture of bearing pin, cause personnel's injures and deaths, and safety in production is the major issue that life-and-death matter, and therefore, how more whether actv. detects to overload becomes problem demanding prompt solution; Anti-falling safety device all is to mesh with the tooth bar on the guide rail bracket and guarantee mode of operation by being arranged on gear on the anti-fall plate in the present in addition elevator, the speed that restriction is risen or descended, and wheel and rack ingear track is to adjust constantly by the folded spring that is arranged on the gear, will be time-consuming inaccurate again like this, influence work progress and safety.

Summary of the invention:

Goal of the invention: the utility model provides a kind of elevator, its objective is in the solution elevator in the past that detection that the pressure sensor long-term use meeting that detects overload occurs is malfunctioning and then influences the problem of construction safety.

Technical scheme: the utility model is achieved through the following technical solutions:

A kind of elevator comprises bogie and the cage that hangs under the bogie; Anti-falling safety device is housed in the cage, anti-falling safety device is fixed on the spacing anti-fall plate, anti-fall plate is provided with gear, it is characterized in that: below described bogie, be fixed with rang sensor, the upper edge of rang sensor and cage forms mobilizable distance, make that when the upper edge of cage and the distance between the rang sensor narrowed down to rated value, rang sensor started; Overload monitoring device in rang sensor and the cage is connected.

On anti-fall plate, also be provided with backgear and limiting stopper, backgear and gear are arranged side by side, form a relatively-stationary distance between backgear and gear, this distance in use will be spacing with the tooth bar of gear mesh, when making working gear and tooth bar keep path of action accurately; Limiting stopper is arranged on the above and below of backgear, and limiting stopper forms the distance of 2mm in use and between the tooth bar.

Wheel and rubber foreign steamer in described backgear is divided into, the periphery of wheel in the rubber foreign steamer is arranged on.

Advantage and effect: elevator of the present utility model, do not re-use the pressure sensor in the original elevator, but service range sensor, this rang sensor is fixedly installed on the below of elevator drives frame, and be connected with the overload monitoring device, the upper edge of rang sensor and cage forms distance, because be provided with damping spring between cage and the bogie, so when cage overloads, cage can have a downward displacement by relative bogie, and rang sensor is fixed on the bogie, so the upper edge and the distance between the rang sensor of cage will be dwindled gradually, when this distance less than rang sensor specified apart from the time, rang sensor will start, and then produce a signal, transfer to the overload monitoring device, and send warning signal by the overload monitoring device, this rang sensor is arranged on the below of bogie, can any substantial contact do not arranged with elevator, so, this rang sensor susceptibility and durability all are better than test format in the past greatly, have improved the safety performance that elevator uses greatly; In addition, in the cage of elevator of the present utility model, is furnished with anti-falling safety device, on the anti-fall plate at anti-falling safety device place, also be provided with gear and backgear, backgear and gear are arranged side by side, between backgear and gear, form a distance, the effect of this distance is in use that the tooth bar on the guide rail bracket is therein spacing, the rack and pinion engagement, backgear is close to tooth bar at opposite side, because in use, the gear mesh of anti-falling safety device the working process that tooth bar is realized control rate, and the utility model limits the path of action of rack and pinion, will make the specific track of being operated in of anti-falling safety device carry out like this, such setting also makes easier for installation; And original anti-falling safety device is by adjusting the position of gear with gear bonded assembly butterfly spring, and then adjust the position of whole anti-falling safety device, this method is time-consuming inaccurate again, and adopt the work track of the assurance anti-falling safety device that backgear and together that tooth bar is the spacing form of gear just can be directly clear-cut in the elevator of the present utility model, adjustment that need not be frequent, promptly convenient simply again; And, above and below at backgear is provided with limiting stopper, limiting stopper forms the distance of about 2mm in use and between the tooth bar, and the so normal situation lower position block that uses can not influence the work of tooth bar, and when the terraced phenomenon of appearance bob, gear at first stops operating, cage drives anti-fall plate simultaneously and is offset, at this moment because action of inertia is sunk, anti-fall plate also blocks cage under the effect of antagonistic force, has prevented the intact of cage, tooth bar; Meanwhile, the backgear on the anti-fall plate will be extruded distortion, and at this moment limiting stopper will withstand on tooth bar, has so not only controlled cage, has also protected whole elevator, thereby guarantees the safety of workmen and equipment.

Description of drawings:

Fig. 1 is the structural representation of bogie of the present utility model;

Fig. 2 is the perspective view of bogie of the present utility model;

Fig. 3 is the scheme drawing of setting pressure sensor station in the background technology of the present utility model;

Fig. 4 is the partial schematic diagram of setting pressure sensor station in the background technology of the present utility model;

Fig. 5 is of the present utility model at integrally-built schematic perspective view;

Fig. 6 is the partial enlarged drawing of the A part of Fig. 5.

The specific embodiment: the utility model is described further below in conjunction with accompanying drawing:

The utility model provides a kind of elevator, comprises bogie 2 and the cage 11 that hangs on the bogie 2, is fixed with driving machine on the bogie 2, as shown in Figure 5, anti-falling safety device is housed also in cage 11, and anti-falling safety device is fixed on the spacing anti-fall plate 10; The slit that a movable 2.5mm is arranged between the backboard 13 of anti-fall plate 10 and cage 11; Below described bogie 2, be fixed with rang sensor 3, rang sensor 3 forms distance with the upper edge of cage 11, the principle of this rang sensor 3 is: cage 11 hang on the bogie 2 and, be provided with damping spring between cage 11 and the bogie 2, can have between cage 11 and the bogie 2 one vertical to relative movable distance; When cage 11 is overweight because of carrying, can produce a downward displacement with respect to bogie 2, at this moment, distance between the upper edge of cage 11 and the rang sensor 3 diminishes, when this distance diminish to specified apart from the time, rang sensor 3 will start, and rang sensor 3 is connected with overload monitoring device 4 in being arranged on cage 11, sends alerting signal by overload monitoring device 4.The benefit of this rang sensor 3 is when cage overloads, can react the situation that overloads very sensitive and timely, and rang sensor 3 can obtain from a lot of existing approach, and compare with the form of in the past pressure sensor, pressure sensor in the past is to realize detecting overload by pressure, send alerting signal by the overload monitoring device again, this pressure sensor is under pressure for a long time can influence the sensitivity of this sensor greatly, rang sensor of the present utility model then can not be subjected to the influence of any external force, just the variation by distance realizes detecting overload condition, can not influence sensitivity because of the effect of external force, can be more efficient, the assurance construction operation personnel's of safety safety.

Be depicted as the utility model background technology figure as Fig. 3 and 4, the label 8 shown in the figure is the bearing pin of setting pressure sensor, and the label 9 among Fig. 3 is for installing the firmly position of cage of bearing pin and carrying.

In addition, as shown in Figure 5, be integrally-built block diagram of the present utility model, as shown in Figure 6, also be provided with backgear 5 and limiting stopper 12 on anti-fall plate 10, backgear 5 is arranged side by side with gear 1, forms a relatively-stationary distance between backgear 5 and gear 1, the effect of this distance is in use will be spacing with gear 1 ingear tooth bar, and tooth bar is arranged on the guide rail bracket; Rack and pinion 1 engagement in other words, backgear 5 leans on toward tooth bar at opposite side, make tooth bar in specific track, to do the relative transmission of ingear with gear 1, and because anti-falling safety device will guarantee mode of operation by the engagement of gear 1 and tooth bar, so, gear 1 will remain on specific track accurately with tooth bar ingear track, also just makes anti-falling safety device remain on specific correct track work, and adjustment that need not be frequent.And be originally by the folded spring that is arranged on the gear 1 and adjust the position of gear 1 constantly, and then adjust the control position of whole anti-falling safety device, inconvenience and the effort very of structure originally; And the utility model has been cancelled folded spring and increased backgear, has solved original problem, and installs also very convenient; As schematically shown in Figure 6, limiting stopper 12 is arranged on the above and below of backgear, limiting stopper forms the distance of 2.5mm in use and between the tooth bar, and the so normal situation lower position block that uses can not influence the work of tooth bar, and when the terraced phenomenon of bob occurring, gear 1 at first stops operating, cage 11 drives anti-fall plate simultaneously and is offset, at this moment because action of inertia is sunk, anti-fall plate also blocks cage 11 under the effect of antagonistic force, has prevented the whereabouts of cage; Meanwhile, the backgear on the anti-fall plate will ripple crimp, and at this moment limiting stopper will withstand on tooth bar, so not only controls falling of elevator, has also protected whole elevator, guarantees safety thereby produce.

Wheel 6 and rubber foreign steamer 7 in described backgear 5 is divided into, the periphery of wheel 6 in rubber foreign steamer 7 is arranged on, rubber foreign steamer 7 can bear the power of 5T, and then is increasing on the elastomeric basis, guarantees the effect of restriction tooth bar position.

Of the present utility model simple for structure, reasonable, easy and simple to handle, can well guarantee job safety, relatively meet the requirement that national security is produced, this elevator relatively is beneficial on a large scale and applies.

Claims

1. elevator comprises bogie (2) and hangs over cage (11) under the bogie (2); Cage is equipped with anti-falling safety device in (11), anti-falling safety device is fixed on the spacing anti-fall plate (10), anti-fall plate (10) is provided with gear (1), it is characterized in that: be fixed with rang sensor (3) in the below of described bogie (2), rang sensor (3) forms mobilizable distance with the upper edge of cage (11), make that when the upper edge of cage (11) and the distance between the rang sensor (3) narrowed down to rated value, rang sensor (3) started; Overload monitoring device (4) in rang sensor (3) and the cage (11) is connected.

2. elevator according to claim 1, it is characterized in that: on anti-fall plate (10), also be provided with backgear (5) and limiting stopper (12), backgear (5) is arranged side by side with gear (1), between backgear (5) and gear (1), form a relatively-stationary distance, this distance in use will be spacing with gear (1) ingear tooth bar, make gear (1) when work and tooth bar keep path of action accurately; Limiting stopper (12) is arranged on the above and below of backgear (5), and limiting stopper (12) forms the distance of 2mm in use and between the tooth bar.

3. elevator according to claim 2 is characterized in that: described backgear (5) is divided into interior wheel (6) and rubber foreign steamer (7), and rubber foreign steamer (7) is arranged on the periphery of interior wheel (6).