CN213770946U

CN213770946U - Safety device for preventing accidental movement of lift car for elevator

Info

Publication number: CN213770946U
Application number: CN202023013773.3U
Authority: CN
Inventors: 朱益波; 曹志伟; 曹文奎
Original assignee: Suzhou Thilesin Elevator Co ltd
Current assignee: Suzhou Thilesin Elevator Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-07-23
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a safety device that prevents that car that elevator was used from taking place unexpected removal, including car body and wire rope, the top and the equal fixed mounting extension board in bottom of car body, the outside fixed mounting of extension board has four installation pieces, and the equal fixed mounting in the outside that extension board one end was kept away from to four installation pieces has the support column, and the other end movable mounting of support column has the snap ring, and the one end fixed mounting that the support column was kept away from to the snap ring has the driving plate, and one side fixed mounting of driving plate has the gag lever post, and the equal fixed mounting in one side that the support column was kept away from in four installation piece outsides has the roof. Play protection and driven effect to the car body through the extension board, the bracing column top passes through the articulated snap ring of jack-post simultaneously, and in the outside of steel cable rope, spacing round joint is in the draw-in groove in the elevator shaft simultaneously, and the telescopic cylinder of rail guard both sides installation is ejecting pole in flexible, with the bracing wheel top to the elevator shaft wall, and this structure has guaranteed not because of unexpected the removal of elevator when the stagnation, has guaranteed user's safety.

Description

Safety device for preventing accidental movement of lift car for elevator

Technical Field

The utility model belongs to the technical field of elevator safety, concretely relates to safety device that car that prevents that elevator is used takes place unexpected removal.

Background

An elevator is a vertical elevator powered by an electric motor and equipped with a box-like gondola for carrying persons or goods in a multistorey building and also of the step type, the tread plates of which are mounted for continuous travel on a track, commonly known as escalator or travelator, serving a fixed lifting installation for a given floor, the vertical elevator having a cage which runs between at least two vertical rows of rigid guide rails, the cage being dimensioned and configured to facilitate the passage of passengers or the loading and unloading of goods, and being used as a generic term for vertical transport means in the building, irrespective of the way in which it is driven.

In recent years, safety accidents caused by elevator faults occur in China, wherein the damage caused by accidental movement of a car when a car door is not completely closed is most prominent, if a passenger breaks down when entering or exiting an elevator, the body of the passenger is directly sheared, the consequence is quite serious, and the safety of people taking the elevator is seriously damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety device that prevents that car from taking place unexpected removal that elevator was used to solve and to propose a current elevator car in the above-mentioned background art in the use, because any part breaks down and is malfunctioning in elevator host computer or the actuating system that elevator safety motion leaned on, the car probably takes place unexpected removal, thereby leads to the problem of the unexpected emergence of shearing to passenger's health.

In order to achieve the above object, the utility model provides a following technical scheme: a safety device for preventing a car from moving accidentally for an elevator comprises a car body and a steel rope, wherein supporting plates are fixedly arranged at the top and the bottom of the car body, four mounting blocks are fixedly arranged on the outer sides of the supporting plates, supporting columns are fixedly arranged on the outer sides of the four mounting blocks, which are far away from one ends of the supporting plates, snap rings are movably arranged at the other ends of the supporting columns, a driving plate is fixedly arranged at one end, which is far away from the supporting columns, of each snap ring, a limiting rod is fixedly arranged at one side of each driving plate, a top plate is fixedly arranged at one side, which is far away from the supporting columns, of the outer sides of the four mounting blocks, an electric telescopic rod is fixedly arranged at the inner side of each top plate, a protective guard is fixedly arranged at the outer side of the middle part of the car body, two first limiting plates are fixedly arranged at two ends of the protective guard, and a rotating shaft is hinged to the inner part, which is far away from one end of the protective guard, of the first limiting plates, spacing wheel has been cup jointed in the outside of pivot, the equal fixed mounting in both sides of rail guard has telescopic cylinder, telescopic cylinder's inside has cup jointed flexible interior pole, telescopic interior pole's one end fixed mounting has four springs, four the other end fixed mounting of spring has the backup pad, one side fixed mounting that the spring was kept away from to the backup pad has two second limiting plates, two the opposite side movable mounting of second limiting plate has the supporting wheel.

Preferably, the four springs are sleeved with telescopic columns.

Preferably, the supporting column is far away from the one end of installation piece and has been seted up the mounting groove, the snap ring articulates with the junction of supporting column has the jack-post.

Preferably, the top end of the electric telescopic rod is hinged to one side of the transmission plate.

Preferably, a limiting hole is formed in the supporting column, and the specification and the size of the limiting rod are matched with those of the limiting hole.

Preferably, the position of the steel cable rope corresponds to the position of the snap ring.

Preferably, the mounting blocks are symmetrically distributed on two sides of the support plate in a rectangular shape.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through arranging the support plate, the support plate plays a role in protecting and driving the car body, meanwhile, the top end of the support column is connected with a snap ring through an axle column in a hinged mode, a limiting wheel is clamped in a clamping groove in the elevator shaft at the outer side of the steel rope, telescopic cylinders arranged at two sides of the protective guard push out a telescopic inner rod and push the support wheel to the wall of the elevator shaft, the reaction force between the support wheel and the wall of the elevator shaft under the action of a spring and a telescopic column sleeved inside the support wheel is transmitted to the car body through the protective guard to keep the car body stable, meanwhile, an electric telescopic rod extends out of the push rod to push out a hinged transmission plate under the control of the car body when the car body is stopped, a limiting rod at one side of the transmission plate is fixed at the lower limit position under the action of a limiting hole in the support column, and the transmission plate drives the snap ring to rotate under the action of the axle column, so that the snap ring is clamped at the outer side of the steel rope, the structure ensures that the elevator does not move accidentally when the elevator is stopped, the safety of the user is ensured.

2. Through setting up gag lever post and spacing hole, when the gag lever post stretched into spacing downthehole, the car if because of the accident takes place to remove, make the downward effort joint of snap ring and steel cable rope conduct to installation piece and extension board in, eight joint structure make the stress stable simultaneously, the car body does not move because of the effort accident, the effort that produces the removal is conducted to the car body and is made it restriction each other and reach the stable state, under the effect of supporting wheel and spacing wheel, the soft state dispersion moment of steel cable rope is with its stable removal about not simultaneously, with the moment dispersion of car body, this structure makes the security promote by a wide margin, and use fund has been saved.

Drawings

Fig. 1 is a schematic view of the three-dimensional appearance structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B of the present invention.

In the figure: 1. a car body; 2. a wire rope; 3. mounting blocks; 4. a support plate; 5. a telescopic cylinder; 6. protecting the fence; 7. a first limit plate; 8. a rotating shaft; 9. a limiting wheel; 10. a limiting rod; 11. a top plate; 12. a second limiting plate; 13. a support wheel; 14. a telescopic inner rod; 15. an electric telescopic rod; 16. a column shaft; 17. a drive plate; 18. a snap ring; 19. a limiting hole; 20. a support plate; 21. a spring; 22. and (4) a support column.

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. 1-4, the present invention provides a technical solution: a safety device for preventing a car from moving accidentally for an elevator comprises a car body 1 and a steel rope 2, wherein a support plate 4 is fixedly arranged at the top and the bottom of the car body 1, four mounting blocks 3 are fixedly arranged on the outer side of the support plate 4, support columns 22 are fixedly arranged on the outer sides of the four mounting blocks 3 far away from one end of the support plate 4, a snap ring 18 is movably arranged at the other end of each support column 22, a driving plate 17 is fixedly arranged at one end of the snap ring 18 far away from the support column 22, a limiting rod 10 is fixedly arranged on one side of the driving plate 17, a top plate 11 is fixedly arranged on one side of the outer side of each mounting block 3 far away from the support column 22, an electric telescopic rod 15 is fixedly arranged on the inner side of the top plate 11, a protective guard 6 is fixedly arranged on the outer side of the middle part of the car body 1, two first limiting plates 7 are fixedly arranged at two ends of the protective guard 6, a rotating shaft 8 is hinged inside of the two first limiting plates 7 far away from one end of the protective guard 6, spacing wheel 9 has been cup jointed in the outside of pivot 8, and the equal fixed mounting in both sides of rail guard 6 has telescopic cylinder 5, and telescopic inner rod 14 has been cup jointed to telescopic cylinder 5's inside, and telescopic inner rod 14's one end fixed mounting has four springs 21, and four springs 21's other end fixed mounting has backup pad 20, and one side fixed mounting that spring 21 was kept away from to backup pad 20 has two second limiting plates 12, and the opposite side movable mounting of two second limiting plates 12 has supporting wheel 13.

In the embodiment, by arranging the support plate 4, the support plate 4 plays a role in protecting and driving the car body 1, meanwhile, the top end of the support column 22 passes through the snap ring 18 hinged with the shaft post 16, the outer side of the steel cable 2 is provided with the limit wheel 9 clamped in the clamping groove in the elevator shaft, the telescopic cylinders 5 arranged at two sides of the guard rail 6 eject the telescopic inner rod 14 out, the support wheel 13 is ejected to the wall of the elevator shaft, the reaction force between the support wheel 13 and the wall of the elevator shaft under the action of the spring 21 and the telescopic post sleeved inside is transmitted to the car body 1 through the guard rail 6 to keep the car body stable, meanwhile, the electric telescopic rod 15 extends out of the ejector rod to eject the hinged driving plate 17 under the control of the car body 1 when in stagnation, the limit position of the limit rod 10 at one side of the driving plate 17 is limited under the action of the limit hole 19 in the support column 22, and the driving plate 17 drives the snap ring 18 to rotate under the action of the shaft post 16, make snap ring 18 joint in the outside of steel cable 2, this structure has guaranteed not because of unexpected the removal when the elevator is stagnant, has guaranteed user's safety.

Specifically, the four springs 21 are each sleeved with a telescopic column.

In this embodiment, both ends of the telescopic rod are respectively and fixedly installed at one side of the supporting plate 20 and one end of the telescopic inner rod 14, and the telescopic rod and the spring 21 are matched to stabilize the relative state of the telescopic inner rod 14 and the supporting plate 20, and to make the supporting wheel 13 stably contact with the wall of the elevator shaft.

Specifically, one end of the supporting column 22, which is far away from the mounting block 3, is provided with a mounting groove, and the joint of the snap ring 18 and the supporting column 22 is hinged with the axle column 16.

In this embodiment, the snap ring 18 is installed through the mounting groove on one side of the support column 22 and is hinged at the outer end of the support column 22 through the axle column 16, so that the snap ring 18 is rotationally clamped with the steel cable 2 through the axle column 16.

Specifically, the top end of the electric telescopic rod 15 is hinged to one side of the transmission plate 17.

In this embodiment, the electric telescopic rod 15 extends to eject the hinged transmission plate 17 to connect the snap ring 18 to the outer side of the steel cable 2.

Specifically, a limiting hole 19 is formed in the supporting column 22, and the specification and the size of the limiting rod 10 are matched with those of the limiting hole 19.

In this embodiment, the limiting rod 10 is inserted into the limiting hole 19 under the movement of the driving plate 17, and when the snap ring 18 is clamped with the steel cable 2, the downward force is transmitted to the supporting column 22 and to the supporting plate 4.

Specifically, the position of the wire rope 2 corresponds to the position of the snap ring 18.

In this embodiment, the steel cable 2 is located at the center of the snap ring 18, and the snap ring 18 is wound around the outer side of the steel cable 2.

Specifically, the mounting blocks 3 are symmetrically distributed on two sides of the support plate 4 in a rectangular shape.

In this embodiment, extension board 4's top installation transmission, this device is installed in the elevator shaft, and the draw-in groove of spacing 9 joints in installation and elevator shaft prevents to remove about, and eight joint structure make stress stable, and car body 1 does not remove because of the effort accident.

The utility model discloses a theory of operation and use flow: before use, a transmission device is arranged at the top end of a support plate 4, the device is arranged in an elevator shaft, a clamping groove is arranged in the shaft, meanwhile, the input ends of an electric telescopic rod 15 and a telescopic cylinder 5 are connected into a control system of the elevator car, when the elevator stops moving, the support plate 4 plays a role in protecting and transmitting the car body 1, meanwhile, the top end of a support column 22 is hinged with a clamping ring 18 through a shaft column 16, a limiting wheel 9 is clamped in the clamping groove in the elevator shaft at the outer side of a steel rope 2, telescopic cylinders 5 arranged at two sides of a protective guard 6 push out a telescopic inner rod 14, a support wheel 13 is pushed to the wall of the elevator shaft, the reaction force of the support wheel 13 and the wall of the elevator shaft under the action of a spring 21 and a telescopic column sleeved inside is transmitted to the car body 1 through the protective guard 6 to keep the car body stable, and meanwhile, the electric telescopic rod 15 is controlled when the car body 1 stops, the top rod is extended out to push out the hinged transmission plate 17, the limiting rod 10 at one side of the transmission plate 17 is limited at a position under the action of the limiting hole 19 in the supporting column 22, the transmission plate 17 drives the snap ring 18 to rotate under the action of the shaft column 16, so that the snap ring 18 is clamped at the outer side of the steel cable rope 2, the structure ensures that the elevator does not move accidentally when the elevator is stopped, and the safety of a user is ensured, through arranging the limiting rod 10 and the limiting hole 19, when the limiting rod 10 extends into the limiting hole 19, the elevator car moves accidentally, so that the downward acting force of the snap ring 18 and the steel cable rope 2 is clamped and transmitted into the mounting block 3 and the supporting plate 4, meanwhile, due to the eight-position clamping structure, the stress is stable, the elevator car body 1 does not move accidentally due to the acting force, the acting force generated in movement is transmitted to the elevator car body 1 to be mutually restricted and reach a stable state, under the action of the supporting wheel 13 and the limiting wheel 9, the soft state dispersing moment of the steel rope 2 can be stably and laterally moved at the same time, the moment of the car body 1 is dispersed, the safety is greatly improved by the aid of the structure, and use funds are saved.

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 a safety device that prevents unexpected removal of car that elevator was used, includes car body (1) and wire rope (2), its characterized in that: the car body comprises a car body (1), supporting plates (4) are fixedly mounted at the top and the bottom of the car body (1), four mounting blocks (3) are fixedly mounted on the outer sides of the supporting plates (4), four supporting columns (22) are fixedly mounted on the outer sides of the supporting plates (4), one ends of the supporting plates (4) are far away from the mounting blocks (3), snap rings (18) are movably mounted at the other ends of the supporting columns (22), driving plates (17) are fixedly mounted at the ends of the snap rings (18), limiting rods (10) are fixedly mounted on one sides of the driving plates (17), four top plates (11) are fixedly mounted on the outer sides of the mounting blocks (3), one sides of the supporting columns (22) are far away from the inner sides of the top plates (11), electric telescopic rods (15) are fixedly mounted on the inner sides of the top plates (11), guard rails (6) are fixedly mounted on the outer sides of the car body (1), two first limiting plates (7) are fixedly mounted at the two ends of the guard rails (6), two the inside of keeping away from rail guard (6) one end of first limiting plate (7) articulates there is pivot (8), spacing wheel (9) have been cup jointed in the outside of pivot (8), the equal fixed mounting in both sides of rail guard (6) has telescopic cylinder (5), telescopic interior pole (14) have been cup jointed to telescopic cylinder's (5) inside, the one end fixed mounting of telescopic interior pole (14) has four springs (21), four the other end fixed mounting of spring (21) has backup pad (20), one side fixed mounting that spring (21) were kept away from in backup pad (20) has two second limiting plate (12), two the opposite side movable mounting of second limiting plate (12) has supporting wheel (13).

2. The safety device for preventing an elevator car from moving accidentally according to claim 1, wherein: the four springs (21) are sleeved with telescopic columns.

3. The safety device for preventing an elevator car from moving accidentally according to claim 1, wherein: the mounting groove has been seted up to the one end that installation piece (3) was kept away from in support column (22), the junction of snap ring (18) and support column (22) articulates there is pivot post (16).

4. The safety device for preventing an elevator car from moving accidentally according to claim 1, wherein: the top end of the electric telescopic rod (15) is hinged to one side of the transmission plate (17).

5. The safety device for preventing an elevator car from moving accidentally according to claim 1, wherein: spacing hole (19) have been seted up to the inside of support column (22), the specification and size of gag lever post (10) and the specification and size looks adaptation of spacing hole (19).

6. The safety device for preventing an elevator car from moving accidentally according to claim 1, wherein: the position of the steel cable rope (2) corresponds to the position of the snap ring (18).

7. The safety device for preventing an elevator car from moving accidentally according to claim 1, wherein: the mounting blocks (3) are symmetrically distributed on two sides of the support plate (4) in a rectangular shape.