CN210824980U

CN210824980U - Elevator car rope breakage protection device

Info

Publication number: CN210824980U
Application number: CN201921948384.4U
Authority: CN
Inventors: 杨东东; 吴翀; 徐佳丽; 徐宏祖; 陈学斌
Original assignee: Zhejiang Huaxia Elevator Co ltd
Current assignee: Zhejiang Huaxia Elevator Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-23
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a rope breaking protection device for an elevator car, which comprises a car in a well and a traction steel wire rope; a pair of guide groove columns are respectively arranged on two sides of the shaft, and a buffer shaft, a buffer spring, a shock absorber and a supporting seat are arranged on the guide groove columns; the hinged seat, the pull rod, the cross rod and the connecting piece for connecting the pull rod and the cross rod are arranged on two sides of the upper surface of the lift car, and the spring seat, the protective steel ring and the spring are arranged in the middle of the upper surface of the lift car; a steel wire rope compensation device is arranged above the fixed connection position of the steel wire rope and the cross rod; the utility model provides high elevator operation's stability and security have guaranteed passenger's life safety.

Description

Elevator car rope breakage protection device

Technical Field

The utility model relates to an elevator field, concretely relates to disconnected rope protection device of elevator car.

Background

In recent years, often the elevator falls because of the trouble leads to, the emergence when casualty accident, and in elevator trouble, the accident that the haulage rope fracture of lift car caused is the most serious, often can cause important casualties, generally all be equipped with anti-falling protection device in the present elevator, and prevent falling of elevator with the bolt mostly, but simple bolt device is very easily out of shape under the impact of the huge energy that the elevator falls, can't make the elevator effectively in time stop falling, and these protection device all establish outside the car, the unable active control of people inside the car, can't open anti-falling protection device and stop the car when beginning will falling.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that the anti-falling protection device of the elevator can not be opened in time in the prior art to stop and protect the safety of the elevator car, the utility model aims at providing an elevator car rope breakage protection device which can stop and protect the elevator car in time when the elevator falls.

In order to achieve the aim, the utility model discloses an elevator car protection device that restricts absolutely adopts following technical scheme: including the car in the well, tow wire rope, the both sides of car are equipped with a pair of guide way post respectively in the well, are equipped with a plurality of groups buffering subassembly between a pair of guide way post of every side, the higher authority both sides of car still are equipped with articulated seat respectively, articulated the articulated pull rod that has the couple of articulated seat, the top of pull rod is equipped with the horizontal pole, the one end that the pull rod has the couple passes through the connecting piece and is connected with the one end of horizontal pole respectively, the middle part and the wire rope that tows of horizontal pole are connected, be equipped with the spring between the pull rod, the pull rod at car top can be in the wire rope rupture back of towing under the effect of pull force, withstands buffering subassembly and stop elevator car at once, guarantees passenger's.

Preferably, the buffering assembly comprises a buffering shaft, two ends of the buffering shaft are respectively matched with guide grooves of corresponding guide groove columns, a buffering spring, a shock absorber and a supporting seat are arranged in each guide groove of each guide groove column from top to bottom, the upper end of each buffering spring is connected with one end of the buffering shaft, the lower end of each buffering spring is connected with the shock absorber, the shock absorber is fixed on the supporting seat, the supporting seat is fixed in the guide groove of each guide groove column, when the elevator stops, the buffering spring can buffer the elevator car, the shock absorber achieves a good shock absorption effect, and the safety of the elevator is improved.

Preferably, a spring seat is arranged in the middle of the upper portion of the lift car, a protection steel ring allowing the spring to penetrate through is arranged on the spring seat, the protection steel ring is installed outside the spring, the spring is installed inside the protection steel ring, the spring is not prone to deformation under the action of pulling force, and the service life is prolonged.

Preferably, a steel wire rope compensation device is arranged above the fixed connection position of the steel wire rope and the cross rod, the steel wire rope compensation device greatly reduces the shaking degree of the steel wire rope and the abrasion degree of the steel wire rope during the operation of the lift car, and the stability of the elevator and the service life of the steel wire rope are improved.

Preferably, the wear-resistant rubber is arranged on the connecting piece between the connecting pull rod and the cross rod, so that the wear degree of the connecting piece is greatly reduced, and the service life is prolonged.

The utility model discloses the beneficial effect of example as follows: when the car falls due to the broken rope of the traction steel wire rope, the upper end of the pull rod rapidly moves outwards under the action of the spring, the hook on the pull rod is hung on the buffer shaft nearby, the buffer shaft moves downwards along the guide groove of the guide groove column, the buffer springs between the buffer shaft and the shock absorber and between the buffer shaft and the support seat are compressed, the support seat stops the falling car through the buffer springs, the buffer shaft and the shock absorber, the buffer springs play a role of buffering the falling car, the shock absorber plays a shock absorption role on the falling car, the wear-resistant rubber is arranged on the connecting piece between the pull rod and the cross rod, the wear degree of the connecting piece is greatly reduced, the service life of the connecting piece is longer, the steel wire rope compensation device above the fixed connection position of the traction steel wire rope and the cross rod reduces the large-amplitude shaking of the steel wire rope and the abrasion degree of the steel wire rope during the operation of the lift car, and the stability and the safety of the operation of the elevator are improved.

Drawings

Fig. 1 is the utility model discloses embodiment's an elevator car rope breakage protection device's schematic diagram.

Fig. 2 is a side view of a guide groove column in an elevator car rope breakage protection device according to an embodiment of the present invention.

In the figure: the elevator comprises a car 1, a traction steel wire rope 2, a guide groove column 3, a buffer shaft 4, a buffer spring 5, a shock absorber 6, a hinged seat 7, a pull rod 8, a cross rod 9, a connecting piece 10, a spring seat 11, a protection steel ring 12, a spring 13, a supporting seat 14 and a steel wire rope compensation device 15.

Detailed Description

The technical solution of the present invention is explained in detail by the following embodiments:

as shown in fig. 1 and 2, the rope breakage protection device for the elevator car is characterized in that: car 1 in the well

tows wire rope

2, 1 both sides of car are equipped with a pair of guide slot post 3 respectively in the well, are equipped with a plurality of groups of buffering subassembly 20 between a pair of guide slot post 3 of every side, the higher authority both sides of car 1 still are equipped with articulated seat 7 respectively, articulated seat 7 articulates the pull rod 8 that has the couple, the top of pull rod 8 is equipped with horizontal pole 9, the one end that pull rod 8 has the couple passes through connecting piece 10 to be connected with the one end of horizontal pole 9 respectively, the middle part of horizontal pole 9 is connected with towing wire rope 2, be equipped with spring 13 between the pull rod 8, the pull rod 8 at 1 top of car can be under the effect of pulling force towing wire rope 2 rope and break the back, hold buffering subassembly 20 and make immediately and stop elevator car, guarantee passenger's life safety.

Preferably, the buffer assembly 20 includes a buffer shaft 4, the both ends of the buffer shaft 4 are respectively matched with the guide grooves of the corresponding guide groove columns 3, a buffer spring 5, a shock absorber 6 and a supporting seat 14 are arranged along the upper portion to the lower portion in the guide groove of each guide groove column 3, the upper end of the buffer spring 5 is connected with one end of the buffer shaft 4, the lower end of the buffer spring 5 is connected with the shock absorber 6, the shock absorber 6 is fixed on the supporting seat 14, the supporting seat 14 is fixed in the guide groove of the guide groove column 3, when the elevator is stopped, the buffer spring 5 can buffer the car 1, and the shock absorber 6 achieves a good shock absorption effect.

Preferably, a spring seat 11 is arranged in the middle of the upper surface of the car 1, a protection steel ring 12 allowing the spring 13 to pass through is arranged on the spring seat 11, the protection steel ring 12 is arranged outside the spring 13, and the spring 13 is arranged in the protection steel ring 12 so as to be not easy to deform under the action of tension, so that the service life is prolonged.

Furthermore, a steel wire rope compensation device 15 is arranged above the fixed connection position of the traction steel wire rope 2 and the cross rod 9, the steel wire rope compensation device 15 greatly reduces the shaking degree of the steel wire rope 2 and the abrasion degree of the steel wire rope 2 when the lift car 1 runs, and the stability of the elevator and the service life of the steel wire rope are improved.

Furthermore, the wear-resistant rubber is arranged on the connecting piece 10 between the connecting pull rod 8 and the cross rod 9, so that the wear degree of the connecting piece 10 is greatly reduced, and the service life is prolonged.

When the elevator car rope breakage protection device in the above example is used, when the traction steel wire rope 2 lifts the car 1 through the cross rod 9, the weight of the car 1 enables the connecting pieces 10 at the two ends of the cross rod 9 to pull the pull rod 8 inwards, the pull rod 8 rotates around the hinge center at the lower end, the upper end moves inwards, the spring 13 in the protection steel ring 12 at the upper part of the spring seat 11 is compressed, and the hook at the upper end is separated from the buffer shaft 4; when the elevator runs, once the traction steel wire rope 2 is broken to cause the car 1 to fall, the upper end of the pull rod 8 moves outwards rapidly under the action of the spring 13, the hook on the pull rod 8 is hung on the buffer shaft 4 nearby, the buffer shaft 4 moves downwards along the guide groove of the guide groove column, the buffer spring 5 between the buffer shaft 4 and the shock absorber 6 and between the buffer shaft 4 and the supporting seat 14 is compressed, the car 1 buffers and absorbs the falling car 1 through the buffer spring 5, the buffer shaft 4 and the shock absorber 6 and the supporting seat 14 so as to achieve a good stopping effect, the buffer spring 5 plays a buffering role in the falling car 1, the shock absorber 6 plays a shock absorbing effect in the falling car 1, the connecting piece 10 between the pull rod 8 and the cross rod 9 is provided with wear-resistant rubber, the wear degree of the connecting piece 10 is greatly reduced, the service life of the connecting piece 10 is longer, the traction steel wire rope compensation device 15 above the fixed connection part of the traction steel wire rope 2 and the cross, the large-amplitude shaking of the steel wire rope 2 and the abrasion degree of the steel wire rope 2 during the operation of the lift car 1 are reduced, and the stability and the safety of the operation of the lift are improved.

Claims

1. The utility model provides an elevator car protection device that restricts absolutely which characterized in that: car (1) in the well tows wire rope (2), the both sides of car (1) are equipped with a pair of guide slot post (3) respectively in the well, are equipped with a plurality of groups between a pair of guide slot post (3) of every side and cushion subassembly (20), the higher authority both sides of car (1) still are equipped with articulated seat (7) respectively, articulated seat (7) have pull rod (8) of couple, the top of pull rod (8) is equipped with horizontal pole (9), pull rod (8) have the one end of couple and pass through connecting piece (10) and be connected with the one end of horizontal pole (9) respectively, the middle part and the wire rope (2) of towing of horizontal pole (9) are connected, be equipped with spring (13) between pull rod (8).

2. The elevator car rope breakage protection device of claim 1, wherein: buffer unit (20) are including buffering axle (4), the both ends of buffering axle (4) cooperate with the guide slot of corresponding guide slot post (3) respectively, along last buffer spring (5), bumper shock absorber (6), supporting seat (14) to having down in the guide slot of every guide slot post (3), the upper end and the buffering axle (4) one end of buffer spring (5) are connected, the lower extreme of buffer spring (5) with bumper shock absorber (6) are connected, bumper shock absorber (6) are fixed on supporting seat (14), supporting seat (14) are fixed in the guide slot of guide slot post (3).

3. The elevator car rope breakage protection device of claim 1, wherein: the car is characterized in that a spring seat (11) is arranged in the middle of the upper side of the car (1), a protection steel ring (12) allowing the spring (13) to penetrate is arranged on the spring seat (11), and the protection steel ring (12) is installed outside the spring (13).

4. The elevator car rope breakage protection device of claim 1, wherein: and a steel wire rope compensation device (15) is arranged above the fixed connection part of the steel wire rope (2) and the cross rod (9).

5. The elevator car rope breakage protection device of claim 1, wherein: and wear-resistant rubber is arranged on a connecting piece (10) which is used for connecting the pull rod (8) and the cross rod (9).