CN215924086U

CN215924086U - Elevator falling protection device

Info

Publication number: CN215924086U
Application number: CN202122157670.2U
Authority: CN
Inventors: 王晓红; 胡结明
Original assignee: Shenzhen Ekcne Elevator Co ltd
Current assignee: Shenzhen Ekcne Elevator Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-03-01
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses an elevator falling protection device which comprises an elevator shaft and a car, wherein a buffer mechanism is arranged in the elevator shaft, an auxiliary mechanism is further arranged at the lower end of the buffer mechanism, a friction mechanism is mounted on the side wall of the elevator shaft, a limiting mechanism is further mounted on the side wall of the elevator shaft, and a protection mechanism is arranged between the elevator shaft and the car.

Description

Elevator falling protection device

Technical Field

The utility model relates to the technical field of elevator safety, in particular to an elevator falling protection device.

Background

The elevator is a permanent transportation device which serves a plurality of specific floors in a building, a car of the elevator runs on at least two rows of rigid rail motion devices which are perpendicular to the horizontal plane or have an inclination angle smaller than 15 degrees with a plumb line, the elevator serves fixed lifting devices for specified floors, under extreme conditions, the car body can be in a dangerous situation of falling rapidly, when the car body falls rapidly to the bottom of a well, due to the fact that the bottom end of the car lacks of a damping mechanism capable of achieving a buffering effect, people in the car can be injured in different degrees due to huge impact force, the generated falling force cannot be dispersed timely, the people in the elevator car can die seriously, the safety of the people in the elevator car is affected, and rebound can occur to cause secondary damage to the people in the elevator.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elevator falling protection device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an elevator protection device that falls, includes elevartor shaft and car, be provided with buffer gear in the elevartor shaft, the buffer gear lower extreme still is provided with complementary unit, friction mechanism is installed to the elevartor shaft lateral wall, stop gear is still installed to the elevartor shaft lateral wall, be provided with protection mechanism between elevartor shaft and the car.

Preferably, buffer slot, buffer spring, connecting seat and the buffer seat of slip setting in the elevator shaft that buffer gear includes that the elevartor shaft lateral wall is seted up, install the buffer spring of vertical direction in the buffer slot, the both ends of buffer seat extend there is the connecting seat, the connecting seat stretch into the buffer slot and with buffer spring's upper end fixed connection.

Preferably, the auxiliary mechanism comprises a plurality of auxiliary buffer seats, auxiliary blocks and auxiliary springs, the auxiliary buffer seats, the auxiliary blocks and the auxiliary springs are fixed to the bottom surface of the elevator shaft, trapezoidal grooves are formed in the auxiliary buffer seats, a pair of auxiliary blocks are slidably mounted at positions, corresponding to the buffer grooves, of the lower ends of the buffer seats, a plurality of auxiliary springs are arranged between the auxiliary blocks, and two ends of each auxiliary spring are respectively connected with the inner sides of the corresponding auxiliary blocks in an abutting mode.

Preferably, the friction mechanism includes friction groove, friction disc, dead lever, friction spring and spacing bolt that the elevartor shaft lateral wall was seted up, the through-hole has been seted up between friction groove and the dashpot, spacing bolt passes the through-hole and fixes on the connecting seat, the friction spring of horizontal direction is installed to the friction inslot, the dead lever is installed to the medial extremity of friction spring, the friction disc is installed to the other end of dead lever, the position that the lower extreme of dead lever corresponds spacing bolt sets up the slot.

Preferably, stop gear includes the fixed slot that spacing groove, gag lever post, spacing elasticity rope and the car lateral wall seted up that the elevartor shaft lateral wall was seted up, the gag lever post is installed to the spacing inslot internal rotation, be provided with the spacing elasticity rope of multiunit between gag lever post and the elevartor shaft lateral wall.

Preferably, the protection mechanism includes the protective bracket, protection elasticity rope and the protection couple that the elevartor shaft lateral wall set up, be provided with multiunit protection elasticity rope between the protective bracket, the protection couple is installed to the car lateral wall corresponding position.

Compared with the prior art, the utility model has the beneficial effects that: most of falling force can be removed through the protection mechanism, and the buffering force is further reduced through the friction mechanism; finally, the buffer mechanism is matched with the auxiliary mechanism to further disperse the falling force, so that the lift car falls down safely; can prevent through setting up stop gear that the car kick-backs, cause secondary damage to personnel in the car. The elevator car falling force dispersing device is simple in structure, can disperse falling force in time and prevent the car from rebounding, and can bring convenience to the technical field of elevator safety.

Drawings

Fig. 1 is a schematic sectional elevational view of an elevator fall protection device;

fig. 2 is an enlarged schematic view of an elevator fall protection device at a.

In the figure: 1-elevator shaft, 2-car, 3-protection mechanism, 31-protection bracket, 32-protection elastic rope, 33-protection hook, 4-limit mechanism, 41-limit groove, 42-limit rod, 43-limit elastic rope, 44-fixed groove, 5-buffer mechanism, 51-buffer groove, 52-buffer spring, 53-buffer seat, 54-connecting seat, 6-auxiliary mechanism, 61-auxiliary buffer seat, 62-auxiliary block, 63-auxiliary spring, 7-friction mechanism, 71-friction plate, 72-fixed rod, 73-slot, 74-friction spring and 8-limit bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an elevator protection device that falls, includes elevartor shaft 1 and car 2, be provided with buffer gear 5 in the elevartor shaft 1, buffer gear 5 lower extreme still is provided with complementary unit 6, friction mechanism 7 is installed to 1 lateral wall of elevartor shaft, stop gear 4 is still installed to 1 lateral wall of elevartor shaft, be provided with protection machanism 3 between elevartor shaft 1 and the car 2. When the elevator falls, at first unload most falling force through protection mechanism 3, further cushion through buffer gear 5 afterwards, unload falling force, carry out last buffering work through complementary unit 6 and friction mechanism 7 at last, prevent 2's resilience of car through stop gear.

Buffer gear 5 includes buffer slot 51, buffer spring 52, connecting seat 54 that the elevator shaft 1 lateral wall was seted up and the buffer seat 53 of slip setting in elevator shaft 1, install the buffer spring 52 of vertical direction in the buffer slot 51, the both ends of buffer seat 53 extend there is connecting seat 54, connecting seat 54 stretch into buffer slot 51 and with buffer spring 52's upper end fixed connection. When the car 2 falls onto the buffer seat 53, the buffer seat 54 is moved downward, and the buffer spring 52 is compressed to release part of the falling force to perform the buffering function.

The auxiliary mechanism 6 comprises a plurality of auxiliary buffer seats 61 fixed on the bottom surface of the elevator shaft 1, auxiliary blocks 62 and auxiliary springs 63, a trapezoidal groove is formed in each auxiliary buffer seat 61, a pair of auxiliary blocks 62 are slidably mounted at positions, corresponding to the trapezoidal groove, of the lower end of each buffer seat 53, a plurality of auxiliary springs 63 are arranged between the auxiliary blocks 62, and two ends of each auxiliary spring 63 are respectively connected with the inner sides of the corresponding auxiliary blocks 62 in an abutting mode. When the buffer base 53 further descends, the auxiliary block 62 at the lower end of the buffer base 53 is inserted into the trapezoidal groove of the auxiliary buffer base 61 at the lower end, and the corresponding sets of auxiliary blocks are moved closer to each other, so that the auxiliary spring 63 is compressed, and further buffering is realized.

The friction mechanism 7 comprises a friction groove formed in the side wall of the elevator shaft 1, a friction plate 71, a fixing rod 72, a friction spring 74 and a limiting bolt 8, a through hole is formed between the friction groove and the buffer groove 51, the limiting bolt 8 penetrates through the through hole and is fixed on the connecting seat 54, the friction spring 74 in the horizontal direction is installed in the friction groove, the fixing rod 72 is installed at the inner side end of the friction spring 74, the friction plate 71 is installed at the other end of the fixing rod 72, and a slot 73 is formed in the position, corresponding to the limiting bolt 8, of the lower end of the fixing rod 72. When the buffer seat 53 descends, the connecting seat 54 is driven to descend, so that the limiting bolt 8 in the slot 73 is pulled out, the fixing rod 72 is popped out, the friction plate 71 is abutted against the side wall of the car 2 to rub, and part of the falling force is removed.

The limiting mechanism 4 comprises a limiting groove 41 formed in the side wall of the elevator shaft 1, a limiting rod 42, a limiting elastic rope 43 and a fixing groove 44 formed in the side wall of the car 2, the limiting rod 42 is installed in the limiting groove 41 in a rotating mode, and multiple groups of limiting elastic ropes 43 are arranged between the limiting rod 42 and the side wall of the elevator shaft 1. Through setting up spacing elasticity rope 43, make gag lever post 42 have the trend of resumeing horizontal position all the time to make better card in the fixed slot 44 of car 2 lateral wall of gag lever post 42's end, effectively prevent 2 bounces of car.

Protection machanism 3 includes the protection support 31, protection elasticity rope 32 and the protection couple 33 that the 1 lateral wall of elevartor shaft set up, be provided with multiunit protection elasticity rope 32 between the protection support 31, 2 lateral walls of car correspond the position and install protection couple 33. When the car falls, the protective elastic rope 32 is hooked by the protective hook 33 on the side wall of the car 2, so that the protective elastic rope 32 is continuously stretched, and most of the buffer force is removed.

The working principle of the utility model is as follows: when the elevator falls, the protective hook 33 on the side wall of the car 2 hooks the protective elastic rope 32, so that the protective elastic rope 32 is continuously stretched, most of the buffer force is removed, when the car 2 falls onto the buffer seat 53, the buffer seat 54 can move downwards, the buffer spring 52 is compressed, part of the falling force is removed, the buffer effect is completed, the auxiliary block 62 at the lower end of the buffer seat 53 is inserted into the trapezoidal groove of the auxiliary buffer seat 61 at the lower end, a group of corresponding auxiliary blocks are drawn close to each other, the auxiliary spring 63 is compressed, further buffer is realized, meanwhile, when the buffer seat 53 descends, the connecting seat 54 is driven to descend, the limit bolt 8 in the slot 73 is pulled out, the fixed rod 72 is popped out, the friction plate 71 is abutted against the side wall of the car 2, friction is performed, part of the falling force is removed, and finally, the limit elastic rope 43 is arranged, so that the limit rod 42 always has the tendency of recovering the horizontal position, therefore, the tail end of the limiting rod 42 is better clamped in the fixing groove 44 of the side wall of the car 2, and the rebound of the car 2 is effectively prevented.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An elevator fall protection device, comprising an elevator shaft (1) and a car (2), characterized in that: be provided with buffer gear (5) in elevartor shaft (1), buffer gear (5) lower extreme still is provided with complementary unit (6), friction mechanism (7) are installed to elevartor shaft (1) lateral wall, stop gear (4) are still installed to elevartor shaft (1) lateral wall, be provided with protection mechanism (3) between elevartor shaft (1) and car (2).

2. An elevator fall protection arrangement according to claim 1, characterized in that: buffer gear (5) including buffer slot (51), buffer spring (52), connecting seat (54) that elevartor shaft (1) lateral wall was seted up and buffer seat (53) of slip setting in elevartor shaft (1), install buffer spring (52) of vertical direction in buffer slot (51), the both ends of buffer seat (53) extend there are connecting seat (54), connecting seat (54) stretch into buffer slot (51) and with the upper end fixed connection of buffer spring (52).

3. An elevator fall protection arrangement according to claim 2, characterized in that: the auxiliary mechanism (6) comprises a plurality of auxiliary buffer seats (61), auxiliary blocks (62) and auxiliary springs (63) which are fixed to the bottom surface of the elevator shaft (1), a trapezoidal groove is formed in each auxiliary buffer seat (61), a pair of auxiliary blocks (62) are slidably mounted at the positions, corresponding to the trapezoidal grooves, of the lower ends of the buffer seats (53), a plurality of auxiliary springs (63) are arranged between the auxiliary blocks (62), and the two ends of each auxiliary spring (63) are respectively connected with the inner sides of the corresponding auxiliary blocks (62) in an abutting mode.

4. An elevator fall protection arrangement according to claim 2, characterized in that: friction mechanism (7) include friction groove, friction disc (71), dead lever (72), friction spring (74) and spacing bolt (8) that elevartor shaft (1) lateral wall was seted up, the through-hole has been seted up between friction groove and buffer slot (51), spacing bolt (8) pass the through-hole and fix on connecting seat (54), friction spring (74) of horizontal direction are installed to the friction inslot, dead lever (72) are installed to the medial extremity of friction spring (74), friction disc (71) are installed to the other end of dead lever (72), the position that the lower extreme of dead lever (72) corresponds spacing bolt (8) sets up slot (73).

5. An elevator fall protection arrangement according to claim 1, characterized in that: stop gear (4) are including spacing groove (41), gag lever post (42), spacing elasticity rope (43) that elevartor shaft (1) lateral wall was seted up and fixed slot (44) that car (2) lateral wall was seted up, gag lever post (42) are installed to spacing groove (41) internal rotation, be provided with spacing elasticity rope of multiunit (43) between gag lever post (42) and elevartor shaft (1) lateral wall.

6. An elevator fall protection arrangement according to claim 1, characterized in that: protection mechanism (3) are including protection support (31), protection elasticity rope (32) and protection couple (33) that elevartor shaft (1) lateral wall set up, be provided with multiunit protection elasticity rope (32) between protection support (31), protection couple (33) are installed to car (2) lateral wall corresponding position.