CN214192137U

CN214192137U - Elevator overspeed gliding detection and protection device

Info

Publication number: CN214192137U
Application number: CN202023316230.9U
Authority: CN
Inventors: 伦汉青
Original assignee: Dongguan Sansing Elevator Co ltd
Current assignee: Dongguan Sansing Elevator Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-14
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an elevator hypervelocity gliding detects and protection device, including elevartor shaft and car, the equal fixedly connected with support frame in both sides of elevartor shaft inner wall, the top fixedly connected with speedtransmitter on car right side, the bottom of car is provided with protection device, protection device includes the base, there is first tooth dental lamina at the top of base inner wall through two slider sliding connection, the utility model relates to an elevator technical field. This elevator hypervelocity gliding detects and protection device, when detecting the phenomenon that the elevator appears speeding gliding through speed sensor, rotate through controller control servo motor, servo motor drives the gear and rotates, can realize that two extension boards carry out the opposite direction motion, and the extension board stretches out the base, sets up the support frame in every floor's elevartor shaft inside, supports the extension board that stretches out, can stop the elevator in lift-cabin door department, conveniently rescues, improves the security of rescue.

Description

Elevator overspeed gliding detection and protection device

Technical Field

The utility model relates to an elevator technical field specifically is an elevator hypervelocity gliding detects and protection device.

Background

The elevator is a permanent transportation device which serves a plurality of specific floors in a building, the elevator car of the permanent transportation device runs on at least two rows of rigid rails which are vertical to the horizontal plane or have an inclination angle smaller than 15 degrees with a vertical line, the permanent transportation device also has a step type, step plates are arranged on a track to continuously run, the permanent transportation device is commonly called an escalator or a moving sidewalk, the fixed type lifting device serves a specified floor, the vertical lifting elevator is provided with an elevator car which runs between at least two rows of rigid guide rails which are vertical or have an inclination angle smaller than 15 degrees, the size and the structural form of the elevator car are convenient for passengers to access or load and unload goods, the elevator is taken as a general name of a vertical transportation device in the building regardless of the driving mode, a low-speed elevator, a fast elevator and a high-speed elevator can be divided according to the speed, a hydraulic elevator appears in the middle of the 19 th century, the hydraulic elevator is still applied on the low floors till now, and at the end of the 19 th century, friction wheel transmission is adopted, the hoisting height of the elevator is greatly increased.

At present, when an elevator runs and goes down at overspeed due to failure, the existing safety device can stop the elevator, but the stopping position of the elevator is uncontrollable, the elevator cannot be stopped at the elevator door of each floor, the elevator is inconvenient to rescue, and the psychological burden of trapped people is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an elevator hypervelocity gliding detects and protection device, the position of having solved the elevator and stopping is uncontrollable, can't stop the elevator in every layer's lift-cabin door department, and inconvenient rescue has increased stranded personnel psychological burden's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an elevator hypervelocity gliding detects and protection device, includes elevartor shaft and car, the equal fixedly connected with support frame in both sides of elevartor shaft inner wall, the top fixedly connected with speedtransmitter on car right side, the bottom of car is provided with protection device.

Protection device includes the base, there is first tooth dental lamina at the top of base inner wall through two slider sliding connection, there is the second tooth dental lamina both sides of base bottom through two slider sliding connection, the bottom of first tooth dental lamina and the equal fixedly connected with tooth in top of second tooth dental lamina, the back fixedly connected with servo motor of base inner wall, and the one end of servo motor output shaft passes through shaft coupling fixedly connected with rotation axis, the fixed surface of rotation axis is connected with the gear with tooth engaged with, the first extension board of left side fixedly connected with of first tooth dental lamina, the right side fixedly connected with second extension board of second tooth dental lamina, the inside of first tooth dental lamina and second tooth dental lamina all is provided with supporting mechanism, the bottom of first extension board and the bottom of second extension board all are provided with buffer gear.

Preferably, the top of base and the bottom fixed connection of car, servo motor's one end is kept away from to the rotation axis and the front of base inner wall is rotated and is connected, first extension board runs through the base and extends to the outside of base, the second extension board runs through the base and extends to the outside of base.

Preferably, the supporting mechanism comprises two supporting rods, movable grooves are formed in the right side of the first tooth plate and the left side of the second tooth plate, and a stop block is connected between the top and the bottom of the inner wall of each movable groove in a sliding mode.

Preferably, one side of the stop block far away from the inner wall of the movable groove is fixedly connected with one end of the supporting rod, and one end of the supporting rod far away from the stop block is fixedly connected with one side of the inner wall of the base.

Preferably, buffer gear includes the rubber slab, the mounting groove has all been seted up to the bottom that first extension board extends to outside one side of base and the bottom that the second extension board extends to outside one side of base, and the equal fixedly connected with spring beam in both sides at mounting groove inner wall top, the spring beam is kept away from the one end of mounting groove inner wall and the top fixed connection of rubber slab.

Preferably, the left side fixedly connected with safety tongs of car, fixedly connected with floor between the both sides at elevartor shaft inner wall top, the top of floor is provided with speed limit mechanism.

Advantageous effects

The utility model provides an elevator hypervelocity gliding detects and protection device. Compared with the prior art, the method has the following beneficial effects:

(1) the elevator overspeed gliding detection and protection device comprises a base, wherein the top of the inner wall of the base is connected with a first tooth plate through two sliding blocks in a sliding manner, the two sides of the bottom of the base are connected with a second tooth plate through two sliding blocks in a sliding manner, the bottom of the first tooth plate and the top of the second tooth plate are fixedly connected with teeth, the back of the inner wall of the base is fixedly connected with a servo motor, one end of an output shaft of the servo motor is fixedly connected with a rotating shaft through a coupler, the surface of the rotating shaft is fixedly connected with a gear meshed with the teeth, the left side of the first tooth plate is fixedly connected with a first extending plate, the right side of the second tooth plate is fixedly connected with a second extending plate, supporting mechanisms are arranged in the first tooth plate and the second tooth plate, when a speed sensor detects the phenomenon that an elevator slides down in an overspeed, the servo motor is controlled to rotate through a controller, the servo motor drives the gear to rotate, can realize that two extension boards carry out opposite direction motion, and the extension board stretches out the base, sets up the support frame in every floor's elevartor shaft inside, supports the extension board that stretches out, can stop the elevator in lift-cabin door department, conveniently rescues, improves the security of rescuing.

(2) This elevator hypervelocity gliding detects and protection device, include the rubber slab through buffer gear, the mounting groove has all been seted up to the bottom that first extension board extended to outside one side of base and the bottom that the second extension board extended to outside one side of base, and the equal fixedly connected with spring beam in both sides at mounting groove inner wall top, the spring beam is kept away from the one end of mounting groove inner wall and the top fixed connection of rubber slab, be provided with buffer gear bottom the extension board, when the extension grillage was on the support frame in the elevator gliding, play the effect of buffering shock attenuation to the elevator, it is too big to prevent that the elevator from receiving vibrations, the stability and the safe type of elevator have been improved, play the guard action to stranded personnel's psychology.

Drawings

Fig. 1 is a sectional view of an elevator shaft structure of the present invention;

FIG. 2 is a cross-sectional view of the base structure of the present invention;

fig. 3 is a sectional view of the support rod structure of the present invention;

FIG. 4 is a partial top view of the internal structure of the base of the present invention;

fig. 5 is a partial sectional view of a first extension plate structure according to the present invention.

In the figure: the elevator comprises an elevator shaft 1, an elevator car 2, a support frame 3, a speed sensor 4, a protection device 5, a base 51, a sliding block 52, a first tooth plate 53, a second tooth plate 54, a tooth 55, a servo motor 56, a rotary shaft 57, a support mechanism 58, a supporting rod 581, a movable groove 582, a 583 stop dog, a buffer mechanism 59, a rubber plate 591, a mounting groove 592, a spring rod 593, a gear 510, a first extension plate 511, a second extension plate 512, a safety gear 6, a floor 7 and a speed limiting mechanism 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an elevator hypervelocity gliding detects and protection device, includes elevartor shaft 1 and car 2, the equal fixedly connected with support frame 3 in both sides of 1 inner wall of elevartor shaft all is provided with support frame 3 at every layer of elevartor shaft, and top fixedly connected with speedtransmitter 4 on car 2 right side, speedtransmitter 4 detect the falling speed of elevator, and the bottom of car 2 is provided with protection device 5.

The protection device 5 comprises a base 51, the internal structure of the protection device 5 is made of stainless steel materials, the protection device is high in strength and long in service life, the top of the inner wall of the base 51 is connected with a first tooth plate 53 in a sliding mode through two sliding blocks 52, two sides of the bottom of the base 51 are connected with second tooth plates 54 in a sliding mode through two sliding blocks 52, teeth 55 are fixedly connected to the bottom of the first tooth plate 53 and the top of the second tooth plates 54, a servo motor 56 is fixedly connected to the back of the inner wall of the base 51 and controlled by a controller, a rotating shaft 57 is fixedly connected to one end of an output shaft of the servo motor 56 through a coupler, a gear 510 meshed with the teeth 55 is fixedly connected to the surface of the rotating shaft 57, a first extending plate 511 is fixedly connected to the left side of the first tooth plate 53, a second extending plate 512 is fixedly connected to the right side of the second tooth plates 54, supporting mechanisms 58 are arranged inside the first tooth plate 53 and the second tooth plates 54, the bottom of the first extension plate 511 and the bottom of the second extension plate 512 are both provided with a buffer mechanism 59.

The top of the base 51 is fixedly connected with the bottom of the car 2, one end of the rotating shaft 57 far away from the servo motor 56 is rotatably connected with the front surface of the inner wall of the base 51, the first extending plate 511 penetrates through the base 51 and extends to the outside of the base 51, and the second extending plate 512 penetrates through the base 51 and extends to the outside of the base 51.

The supporting mechanism 58 includes two supporting rods 581, a movable groove 582 is provided on the right side of the first tooth plate 53 and the left side of the second tooth plate 54, and a stopper 583 is slidably connected between the top and the bottom of the inner wall of the movable groove 582.

One side that the dog 583 kept away from the inner wall of activity groove 582 is fixed connection with the one end of bracing piece 581, and the one end that the bracing piece 581 kept away from dog 583 is fixed connection with one side of base 51 inner wall, and first tooth board 53 is the same with second tooth board inner structure, is provided with bracing piece 581 and dog 583 equally.

Buffer 59 includes rubber sheet 591, and buffer 59 can change, guarantees elasticity, and the bottom that first extension board 511 extended to the outside one side of base 51 and second extension board 512 extend to the outside one side of base 51 bottom have all seted up mounting groove 592, and the equal fixedly connected with spring bar 593 in both sides at mounting groove 592 inner wall top, the one end that mounting groove 592 inner wall was kept away from to spring bar 593 and the top fixed connection of rubber sheet 591.

The safety gear 6 is fixedly connected to the left side of the car 2, the floor 7 is fixedly connected between two sides of the top of the inner wall of the elevator shaft 1, the speed limiting mechanism 8 is arranged at the top of the floor 7, the speed limiting mechanism 8 comprises a speed limiter and a speed limiting wheel, meanwhile, the content which is not described in detail in the specification belongs to the prior art which is known by technical personnel in the field, model parameters of each electric appliance are not specifically limited, and conventional equipment is used.

When the elevator is used, when the speed sensor 4 detects that the elevator slides down in an overspeed manner, the original safety device of the elevator is started to stop the operation of the elevator, after the elevator stops operating, the controller controls the brake to return, the elevator slowly slides down under the condition of losing the traction and the brake wheel, then the controller controls the servo motor 56 to rotate forwards, the servo motor 56 drives the rotating shaft 57 to rotate, the rotating shaft 57 drives the gear 510 to rotate forwards, the gear 510 drives the first tooth plate 53 and the second tooth plate 54 to move reversely, the first tooth plate 53 and the second tooth plate 54 move out of the supporting rod 581, meanwhile, the sliding blocks 52 on the first tooth plate 53 and the second tooth plate 54 slide on the inner wall of the base 51, the moving stability is improved, the first tooth plate 53 and the second tooth plate 54 respectively drive the first extension plate 511 and the second extension plate 512 to extend out of the base, and the extension plates are supported by the supporting frames 3 arranged on each layer, the elevator can be stopped at the elevator door, the elevator door can be conveniently and directly opened for rescue, similarly, when the servo motor 56 drives the gear 510 to rotate reversely, the first extension plate 511 and the second extension plate 512 can be restored to the original positions, when the extension plates are downwards contacted with the support frame 3, the rubber plate 591 at the bottom is extruded, the rubber plate 591 extrudes the spring rod 593, and under the reaction force of the spring rod 593 and the rubber plate 591, the buffer and shock absorption effects are achieved for the elevator.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an elevator overspeed gliding detects and protection device, includes elevartor shaft (1) and car (2), its characterized in that: the elevator car is characterized in that two sides of the inner wall of the elevator shaft (1) are fixedly connected with supporting frames (3), the top of the right side of the car (2) is fixedly connected with a speed sensor (4), and the bottom of the car (2) is provided with a protection device (5);

the protection device (5) comprises a base (51), the top of the inner wall of the base (51) is connected with a first tooth plate (53) through two sliding blocks (52) in a sliding manner, the two sides of the bottom of the base (51) are connected with a second tooth plate (54) through two sliding blocks (52) in a sliding manner, the bottom of the first tooth plate (53) and the top of the second tooth plate (54) are fixedly connected with teeth (55), the back of the inner wall of the base (51) is fixedly connected with a servo motor (56), one end of an output shaft of the servo motor (56) is fixedly connected with a rotating shaft (57) through a coupler, the surface of the rotating shaft (57) is fixedly connected with a gear (510) meshed with the teeth (55), the left side of the first tooth plate (53) is fixedly connected with a first extension plate (511), and the right side of the second tooth plate (54) is fixedly connected with a second extension plate (512), supporting mechanisms (58) are arranged inside the first tooth plate (53) and the second tooth plate (54), and buffering mechanisms (59) are arranged at the bottom of the first extension plate (511) and the bottom of the second extension plate (512).

2. The elevator overspeed glide detection and protection device of claim 1, wherein: the top of base (51) and the bottom fixed connection of car (2), servo motor (56) is kept away from in rotation axis (57) one end and the positive rotation of base (51) inner wall are connected, first extension board (511) run through base (51) and extend to the outside of base (51), second extension board (512) run through base (51) and extend to the outside of base (51).

3. The elevator overspeed glide detection and protection device of claim 1, wherein: the supporting mechanism (58) comprises two supporting rods (581), a movable groove (582) is formed in the right side of the first tooth plate (53) and the left side of the second tooth plate (54), and a stop block (583) is connected between the top and the bottom of the inner wall of the movable groove (582) in a sliding mode.

4. The elevator overspeed glide detection and protection device of claim 3, wherein: one side that movable groove (582) inner wall was kept away from in dog (583) and the one end fixed connection of bracing piece (581), one end and one side fixed connection of base (51) inner wall that dog (583) were kept away from in bracing piece (581).

5. The elevator overspeed glide detection and protection device of claim 1, wherein: buffer gear (59) include rubber slab (591), mounting groove (592) have all been seted up to the bottom that first extension board (511) extended to base (51) outside one side and second extension board (512) extend to the bottom of base (51) outside one side, and the equal fixedly connected with spring beam (593) in both sides at mounting groove (592) inner wall top, the one end that mounting groove (592) inner wall was kept away from in spring beam (593) and the top fixed connection of rubber slab (591).

6. The elevator overspeed glide detection and protection device of claim 1, wherein: the elevator safety protection device is characterized in that safety tongs (6) are fixedly connected to the left side of the car (2), floor slabs (7) are fixedly connected between the two sides of the top of the inner wall of the elevator shaft (1), and speed limiting mechanisms (8) are arranged at the tops of the floor slabs (7).