CN215207905U - Elevator braking safety protection mechanism - Google Patents

Abstract

The utility model belongs to the technical field of the elevator technique and specifically relates to indicate an elevator system stops safety protection mechanism, it includes elevator car, live-rollers, wire rope and clamping device, clamping device includes quiet clamp splice and moves the clamp splice, quiet clamp splice with move the corresponding setting of clamp splice, many wire rope all are located quiet clamp splice and move between the clamp splice, quiet clamp splice with move the clamp splice and all be equipped with the wearing and tearing detection device, the wearing and tearing detection device is used for detecting quiet clamp splice and moves the degree of wear of clamp splice. This application is effectively avoided the excessive braking that leads to of wearing and tearing to become invalid, and the security performance is strong, quiet clamp splice with move the corresponding setting of clamp splice, during the braking, move the clamp splice and be close to quiet clamp splice, press from both sides tight braking with wire rope, the braking is steady, reliable, the device action will control the hauler outage, even if elevator brake became invalid, wire rope skids and also can realize elevator braking, braking effect is good.

Description

Elevator braking safety protection mechanism

Technical Field

The utility model belongs to the technical field of the elevator technique and specifically relates to indicate an elevator system stops safety protection mechanism.

Background

The braking device of an elevator is the most important protection device for ensuring the safety of people and equipment in normal operation and in unexpected situations of the elevator, and the function of the braking device cannot be replaced. Most of existing elevator brakes are electromagnetic brakes, braking is achieved under the action of electromagnets and springs, however, the brake structure is prone to failure of the brakes due to magnetic loss, jamming of electromagnetic iron cores, fatigue fracture of springs and the like over time.

In addition, the conventional brake usually brakes a traction sheave, and an elevator car is connected to a wire rope, so that when the wire rope slips, the brake cannot brake the car even if the brake brakes, and the wire rope slips on the traction sheave.

The brake lining of the existing elevator brake has no wear amount monitoring function, and the brake is easy to lose efficacy due to excessive wear.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an elevator system stops safety protection mechanism, the braking is steady, reliable, even elevator stopper became invalid, wire rope skids and also can realize the elevator braking, can monitor the wearing and tearing inefficacy, the security performance is strong.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an elevator system stops safety arrangement, it includes elevator car, clamping device, rotate and install in elevator car's live-rollers and around locating many wire rope of live-rollers, clamping device includes fixed mounting in elevator car's quiet clamp splice and slidable mounting in elevator car's the clamp splice that moves, quiet clamp splice with move the corresponding setting of clamp splice, many wire rope all are located quiet clamp splice and move between the clamp splice, quiet clamp splice all is equipped with the wearing and tearing detection device with moving the clamp splice, the wearing and tearing detection device is used for detecting the degree of wear of quiet clamp splice and moving the clamp splice.

Further, the protection mechanism further comprises a fixing frame and two guide rails, the elevator car is fixedly installed on the fixing frame, sliding clamping grooves are formed in the two sides of the fixing frame, the guide rails are limited in the sliding clamping grooves, the rotating roller is rotatably installed on the fixing frame, the static clamping block is fixedly installed on the fixing frame, and the movable clamping block is slidably installed on the fixing frame.

Furthermore, the rotating roller is provided with a plurality of limiting arc grooves, and the steel wire ropes are limited in the limiting arc grooves respectively.

Furthermore, the static clamping block is provided with a plurality of first clamping grooves, the movable clamping block is provided with a plurality of second clamping grooves, the first clamping grooves and the second clamping grooves are arranged in a one-to-one correspondence mode, and the steel wire rope is clamped between the first clamping grooves and the second clamping grooves.

Furthermore, the protection mechanism still includes the oil scraping mud board, and the oil scraping mud board slides and sets up between quiet clamp splice and the clamp splice that moves.

Furthermore, a pressure sensor is arranged between the static clamping block and the dynamic clamping block and used for sensing the pressure value applied to the steel wire rope by the static clamping block and the dynamic clamping block.

Further, protection mechanism still includes control system, and control system includes controller, motor, encoder and reducing gear box, and wear and tear detection device, pressure sensor, motor, encoder and reducing gear box all electric connection in the controller, and motor and reducing gear box all set up in elevator car, and motor and reducing gear box are used for driving the movable clamp splice and do the motion of stretching out.

Furthermore, the clamping device also comprises a static clamping block stopping piece arranged on the static clamping block and a movable clamping block stopping piece arranged on the movable clamping block, and the static clamping block stopping piece and the movable clamping block stopping piece are arranged correspondingly.

The utility model has the advantages that:

1. the abrasion detection device is used for detecting the abrasion degree of the static clamping block and the dynamic clamping block, so that the brake failure caused by excessive abrasion is effectively avoided, and the safety performance is strong;

2. the static clamping block and the movable clamping block are arranged correspondingly, when braking is conducted, the movable clamping block is close to the static clamping block, the steel wire rope is clamped and braked stably and reliably, the device is used for controlling the traction machine to be powered off, the elevator can be braked even if the elevator brake fails and the steel wire rope slips, and the braking effect is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the utility model discloses hide the structure sketch behind elevator car, mount and the guide rail.

Fig. 3 is a schematic structural view of the static clamping block and the dynamic clamping block of the present invention.

Fig. 4 is a schematic structural diagram of the control system of the present invention.

Description of reference numerals:

1-an elevator car; 2-rotating the roller; 3-a steel wire rope; 4-a clamping device; 5-a static clamping block; 6-moving the clamping block; 7-a wear detection device; 8, fixing a frame; 9-a guide rail; 10-a sliding card slot; 11-a limit arc groove; 12-a first nip; 13-a second nip; 15-a sensor; 16-a controller; 17-a motor; 18-an encoder; 19-a reduction gearbox; 20-mounting a bracket; 21-a chute hole; 22-a stationary dog stop; 23-moving the clamp block stop.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 3, the utility model provides a pair of safety protection mechanism is stopped to elevator system, it includes elevator car 1, clamping device 4, rotate and install in elevator car 1's live-rollers 2 and around locating many wire rope 3 of live-rollers 2, clamping device 4 includes fixed mounting in elevator car 1's quiet clamp splice 5 and slidable mounting in elevator car 1 move clamp splice 6, quiet clamp splice 5 with move the corresponding setting of clamp splice 6, many wire rope 3 all are located quiet clamp splice 5 and move between the clamp splice 6, quiet clamp splice 5 all is equipped with wearing and tearing detection device 7 with moving clamp splice 6, wearing and tearing detection device 7 is used for detecting quiet clamp splice 5 and moves the degree of wear of clamp splice 6.

In the practical application, for avoiding damaging wire rope 3 and increase frictional force, quiet clamp splice 5 with move clamp splice 6 and adopt high analysis material to make, wearing and tearing detection device 7 is including setting up in the inside wire of quiet clamp splice 5 with moving clamp splice 6, and the outside carries out the undercurrent circular telegram, and outside no current signal when the wire fracture distinguishes quiet clamp splice 5 and moves clamp splice 6 degree of wear, further judges whether need to change. The braking force and the braking speed can be automatically set, during braking, the movable clamping block 6 is close to the static clamping block 5 to clamp and brake the steel wire rope 3, the braking is stable and reliable, the device is operated to control the power failure of the tractor, and the elevator braking can be realized even if the elevator brake fails and the steel wire rope slips. The static clamping block 5 and the movable clamping block 6 can be replaced, the elevators with the steel wire ropes 3 of different quantities and different diameters can be used in a matched mode, the installation is convenient, the structure is simple, the abrasion failure of the static clamping block 5 and the abrasion failure of the movable clamping block 6 can be monitored, and the static clamping block 5 and the movable clamping block 6 of a user can be reminded in time.

In this embodiment, protection mechanism still includes mount 8 and two guide rails 9, and 1 fixed mounting in mount 8 of elevator car all is equipped with sliding clamping groove 10 in the both sides of mount 8, and the guide rail is spacing in sliding clamping groove 10, and live roller 2 rotates and installs in mount 8, and quiet clamp splice 5 fixed mounting is in mount 8, moves clamp splice 6 slidable mounting in mount 8. The fixing frame 8 is provided with a mounting bracket 20, the mounting bracket 20 is used for bearing and mounting the clamping device 4, the mounting bracket 20 is provided with a plurality of sliding slot holes 21, and the sliding slot holes 21 are used for adjusting the mounting position of the clamping device 4.

In this embodiment, the rotating roller 2 is provided with a plurality of limiting arc grooves 11, and the plurality of steel wire ropes 3 are respectively limited in the plurality of limiting arc grooves 11.

In this embodiment, the stationary clamping block 5 is provided with a plurality of first clamping grooves 12, the movable clamping block 6 is provided with a plurality of second clamping grooves 13, the plurality of first clamping grooves 12 and the plurality of second clamping grooves 13 are arranged in a one-to-one correspondence, and the steel wire rope 3 is clamped between the first clamping grooves 12 and the second clamping grooves 13. The shape of the first clamping groove 12 and the second clamping groove 13 matches the shape of the steel wire rope 3.

In this embodiment, the protection mechanism further includes a scraper (not shown), and the scraper is slidably disposed between the stationary block 5 and the movable block 6.

In this embodiment, a pressure sensor 15 is installed between the static clamping block 5 and the dynamic clamping block 6, and the pressure sensor 15 is configured to sense pressure values applied to the steel wire rope 3 by the static clamping block 5 and the dynamic clamping block 6.

In this embodiment, the protection mechanism further comprises a control system, the control system comprises a controller 16, a motor 17, an encoder 18 and a reduction gearbox 19, the abrasion detection device 7, the pressure sensor 15, the motor 17, the encoder 18 and the reduction gearbox 19 are all electrically connected to the controller 16, the motor 17 and the reduction gearbox 19 are all arranged on the elevator car 1, and the motor 17 and the reduction gearbox 19 are used for driving the movable clamping block 6 to move in an extending mode. Specifically, the method comprises the following steps:

the motor 17 is used for providing power, adopts a servo motor, and specifically controls the rotating speed and the torque through different elevator parameters and the input quantity of an external sensor;

the encoder 18 is used to monitor the motor rotation and the distance the gripping device 4 moves.

The reduction box 19 is used for converting the rotation of the motor 17 into linear extending movement, driving the movable clamping block 6 of the clamping device 4 to act, and clamping the steel wire 3.

The controller 16 is used for receiving and processing the control signal, controlling the rotating speed and the torque parameter of the motor 17, setting and adjusting the abrasion detection device 7 and reserving a port of the wireless transmission module.

And pressure sensors 15 are arranged on the non-working surfaces of the static clamping block 5 and the dynamic clamping block 6 and used for sensing the clamping force.

The clamping device 4 further comprises a static clamping block stop 22 mounted on the static clamping block 5 and a dynamic clamping block stop 23 mounted on the dynamic clamping block 6, wherein the static clamping block stop 22 and the dynamic clamping block stop 23 are arranged correspondingly. The static clamping block stopper 22 and the dynamic clamping block stopper 23 are abutted to play a role in stopping, and the steel wire rope 3, the static clamping block 5 and the dynamic clamping block 6 are protected.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims (8)

1. The utility model provides an elevator system stops safety protection mechanism, includes elevator car, rotates and installs in elevator car's live-rollers and around locating many wire rope of live-rollers, its characterized in that: the elevator car abrasion detection device is characterized by further comprising a clamping device, the clamping device comprises a static clamping block fixedly mounted on the elevator car and a movable clamping block slidably mounted on the elevator car, the static clamping block and the movable clamping block are arranged correspondingly, a plurality of steel wire ropes are located between the static clamping block and the movable clamping block, the static clamping block and the movable clamping block are respectively provided with an abrasion detection device, and the abrasion detection devices are used for detecting the abrasion degree of the static clamping block and the abrasion degree of the movable clamping block.

2. The elevator safety protection mechanism of claim 1, wherein: the protection mechanism further comprises a fixing frame and two guide rails, the elevator car is fixedly installed on the fixing frame, sliding clamping grooves are formed in the two sides of the fixing frame, the guide rails are limited in the sliding clamping grooves, the rotating roller is rotatably installed on the fixing frame, the static clamping block is fixedly installed on the fixing frame, and the movable clamping block is slidably installed on the fixing frame.

3. The elevator safety protection mechanism of claim 1, wherein: the rotating roller is provided with a plurality of limiting arc grooves, and the plurality of steel wire ropes are limited in the plurality of limiting arc grooves respectively.

4. The elevator safety protection mechanism of claim 1, wherein: the static clamping block is provided with a plurality of first clamping grooves, the movable clamping block is provided with a plurality of second clamping grooves, the first clamping grooves and the second clamping grooves are arranged in a one-to-one correspondence mode, and the steel wire rope is clamped between the first clamping grooves and the second clamping grooves.

5. The elevator safety protection mechanism of claim 1, wherein: the protection mechanism further comprises an oil sludge scraping plate, and the oil sludge scraping plate is arranged between the static clamping block and the movable clamping block in a sliding mode.

6. The elevator safety protection mechanism of claim 1, wherein: and a pressure sensor is arranged between the static clamping block and the movable clamping block and used for sensing the pressure value applied to the steel wire rope by the static clamping block and the movable clamping block.

7. The elevator safety protection mechanism of claim 6, wherein: the protection mechanism further comprises a control system, the control system comprises a controller, a motor, an encoder and a reduction gearbox, the abrasion detection device, the pressure sensor, the motor, the encoder and the reduction gearbox are electrically connected to the controller, the motor and the reduction gearbox are arranged on the elevator car, and the motor and the reduction gearbox are used for driving the movable clamping block to do stretching movement.

8. The elevator safety protection mechanism of claim 1, wherein: the clamping device further comprises a static clamping block stopping piece arranged on the static clamping block and a movable clamping block stopping piece arranged on the movable clamping block, and the static clamping block stopping piece and the movable clamping block stopping piece are arranged correspondingly.

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