CN215160072U

CN215160072U - Elevator falling active braking device

Info

Publication number: CN215160072U
Application number: CN202121101539.8U
Authority: CN
Inventors: 熊瑞佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-14
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to the technical field of elevator braking, in particular to a falling active braking device for a lifting elevator, which comprises an elevator bridge box, wherein a braking structure is arranged on the elevator bridge box, the braking structure comprises a connecting rod, the inside of the elevator bridge box is slidably connected with the connecting rod, the bottom end of the connecting rod is connected with a connecting block, a chute is arranged on the connecting block, a fixed rod is fixedly connected with the inside of the elevator bridge box, the fixed rod is rotatably connected with a braking rod, the braking rod is slidably connected with the connecting block, the top end of the connecting rod is fixedly connected with a steel wire rope, and the steel wire rope is fixedly connected with a pulling plate; when the elevator falls, the speed of the elevator descending can be quickly and laborsavingly reduced by the lever principle, the first rescue time is fully utilized, and casualties are reduced.

Description

Elevator falling active braking device

Technical Field

The utility model relates to an active braking device specifically is an elevator initiative arresting gear that falls belongs to arresting gear technical field.

Background

With the continuous development of society, floors are higher and higher, and the use of elevators is more and more common, and a series of safety problems are also brought in the use process of the elevators. The elevator falling accident is serious, personnel in the elevator are passive when the elevator falls, the elevator cannot save oneself effectively, and very large casualties are caused, so that the elevator falling active braking device is needed to reduce the casualties when the elevator falls.

At present, when the elevator falls, the elevator generally needs great strength to decelerate, if the strength is not enough, the elevator cannot decelerate in time, the first rescue time is delayed, and casualties are possibly caused greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lift elevator initiative arresting gear that falls in order to solve above-mentioned problem, when the elevator takes place to fall, through lever principle, can be fast laborsaving slow down the speed that the elevator descends, the first rescue time of make full use of reduces the injures and deaths.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a elevator initiative arresting gear that falls, including elevator bridge case, install the braking structure on the elevator bridge case, the braking structure includes the connecting rod, elevator bridge incasement portion sliding connection has the connecting rod, the connecting rod bottom is connected with the connecting block, be equipped with the spout on the connecting block, elevator bridge incasement portion fixedly connected with dead lever, the dead lever rotates and is connected with the brake lever, brake lever and connecting block sliding connection, the top fixedly connected with wire rope of connecting rod, wire rope fixedly connected with arm-tie.

Preferably, the fixed rod is located near the top end of the brake rod and at one third of the brake rod.

Preferably, the number of the brake rods is two, the two brake rods are arranged in a mirror image mode about the center line of the connecting block, one end of the cross section of each of the two brake rods is circular, and a plurality of clamping teeth are distributed on the outer portion of each of the two brake rods.

Preferably, a pulley is rotatably connected to the inside of the elevator bridge box, and the width of a groove of the pulley is larger than the outer diameter of the steel wire rope.

Preferably, the side of connecting rod is equipped with reset structure, reset structure includes the reset block, connecting rod side end fixedly connected with reset block, the first spring of reset block top fixedly connected with, reset block and elevator axle box sliding connection.

Preferably, the sealing structure is installed to elevator bridge case lateral wall, the sealing structure includes the closing plate, elevator bridge case lateral wall detachable connection has the closing plate, fixedly connected with rubber circle in the elevator bridge case.

Preferably, the rubber ring is abutted against the sealing plate, and the cross section of the rubber ring is in a rectangular ring structure.

Preferably, the inner wall of the elevator bridge box is provided with a protective structure, the protective structure comprises a sliding block, the inside of the elevator bridge box is connected with the sliding block in a sliding mode, the sliding block is fixedly connected with a supporting rod, the supporting rod is fixedly connected with a pull ring, and the sliding block is fixedly connected with a second spring.

Preferably, the supporting rod is provided with a groove, the inside of the elevator bridge box is connected with a baffle in a sliding manner, the baffle is fixedly connected with a pushing block, and the baffle is fixedly connected with a third spring.

Preferably, the cross section of the bottom end of the baffle is trapezoidal, and the bottom end of the baffle can be clamped with the groove.

The utility model has the advantages that: the connecting rod is connected in the elevator bridge box in a sliding manner, the bottom end of the connecting rod is connected with the connecting block, the connecting block can be driven to move in the elevator bridge box when the connecting rod is moved, the sliding groove is formed in the connecting block, the brake rod can be driven to slide in the sliding groove when the connecting block rises, the fixed rod is connected on the brake rod in a rotating manner, the brake rod can be driven to rotate around the fixed rod when the connecting block rises, the top end of the brake rod can be rotated out of the side wall of the elevator bridge box and is abutted against the wall, the friction force between the brake rod and the wall is increased, the descending speed of the elevator is reduced, the brake rod can be rotated more labor-saving by applying a lever principle at the joint of the brake rod and the fixed rod, the steel wire rope is fixedly connected at the top end of the connecting rod, the connecting rod can be driven to rise by pulling the steel wire rope, the pull plate is fixedly connected at one end of the steel wire rope, and is rotatably connected with the elevator bridge box, the steel wire rope can be driven to move by rotating the pull plate, and the lever principle is applied between the steel wire rope and the pull plate, so that the steel wire rope can ascend more labor-saving.

Drawings

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

FIG. 2 is a schematic structural view of the braking structure shown in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the connection of the connecting rod and the reset mechanism shown in FIG. 2;

fig. 5 is a schematic view of the connection of the elevator cab and the protective structure of fig. 1;

fig. 6 is an enlarged view of the portion B shown in fig. 5.

In the figure: 1. elevator axle box, 2, braking structure, 21, connecting rod, 22, connecting block, 23, spout, 24, dead lever, 25, brake lever, 26, wire rope, 27, arm-tie, 28, pulley, 3, reset structure, 31, reset block, 32, first spring, 4, seal structure, 41, closing plate, 42, rubber circle, 5, protective structure, 51, slider, 52, bracing piece, 53, pull ring, 54, second spring, 55, recess, 56, baffle, 57, ejector pad, 58, third spring.

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. 1-6, an active falling brake device for a lift comprises a lift bridge box 1, a brake structure 2 is mounted on the lift bridge box 1, the brake structure 2 comprises a connecting rod 21, the lift bridge box 1 is slidably connected with the connecting rod 21, the bottom end of the connecting rod 21 is connected with a connecting block 22, a sliding groove 23 is formed in the connecting block 22, a fixing rod 24 is fixedly connected with the inside of the lift bridge box 1, the fixing rod 24 is rotatably connected with a brake rod 25, the brake rod 25 is slidably connected with the connecting block 22, the top end of the connecting rod 21 is fixedly connected with a steel wire rope 26, the steel wire rope 26 is fixedly connected with a pull plate 27, since the connecting rod 21 is slidably connected with the inside of the lift bridge box 1, the bottom end of the connecting rod 21 is connected with the connecting block 22, the connecting rod 21 ascends to drive the connecting block 22, and since the sliding groove 23 is formed in the connecting block 22, thereby make things convenient for brake lever 25 to slide in connecting block 22, because elevator axle box 1 inside fixedly connected with dead lever 24, dead lever 24 swivelling joint has brake lever 25, thereby can make brake lever 25 rotate around dead lever 24, make brake lever 25 rotate more laborsaving fast, because the top fixedly connected with wire rope 26 of connecting rod 21, thereby can drive connecting block 22 through pulling wire rope 26 and rise, because wire rope 26 fixedly connected with arm-tie 27, thereby can make connecting block 22 rise through rotating arm-tie 27, and more laborsaving fast.

As a technical optimization of the present invention, the fixing rod 24 is close to the top end of the brake rod 25 and is located at one third of the brake rod 25, so that the brake rod 25 can rotate more quickly and labor-saving when the connecting block 22 is lifted.

As a technical optimization scheme of the utility model, brake lever 25 is equipped with two, and two brake lever 25 is the mirror image setting about connecting block 22's central line, two brake lever 25's cross-section one end is circular and outside a plurality of latches that distribute, because brake lever 25 is equipped with two, and two brake levers 25 are the mirror image setting about connecting block 22's central line to make things convenient for the elevator at the in-process keep balanced that falls, because the cross-section one end of two brake levers 25 is circular and outside distribution has a plurality of latches, thereby increase the frictional force between brake lever 25 and the wall, slow down the speed that the elevator descends.

As a technical optimization scheme of the utility model, elevator axle case 1 is inside to be rotated and is connected with pulley 28, just the width in pulley 28's groove is greater than wire rope 26's outside diameter to can make wire rope 26 rise more laborsavingly fast, and avoid causing wearing and tearing to wire rope 26.

As a technical optimization scheme of the utility model, the side of connecting rod 21 is equipped with reset structure 3, reset structure 3 includes reset block 31, connecting rod 21 side fixedly connected with reset block 31, the first spring 32 of reset block 31 top fixedly connected with, reset block 31 and elevator axle case 1 sliding connection, because connecting rod 21 side fixedly connected with reset block 31 to can drive reset block 31 when connecting rod 21 removes and remove, because the first spring 32 of reset block 31 top fixedly connected with, thereby when need not brakie the elevator, through the elasticity of first spring 32, can make brake lever 25 keep original state, not with the wall between produce the friction.

As a technical optimization scheme of the utility model, seal structure 4 is installed to 1 lateral wall of elevator bridge box, seal structure 4 includes closing plate 41, elevator bridge box lateral wall can be dismantled and be connected with closing plate 41, fixedly connected with rubber circle 42 in the elevator bridge box 1 because elevator bridge box lateral wall can be dismantled and be connected with closing plate 41 to can prevent that arm-tie 27 from being pulled by the random, because fixedly connected with rubber circle 42 in the elevator bridge box 1, thereby can increase frictional force.

As a technical optimization scheme of the utility model, rubber circle 42 is contradicted with closing plate 41, just rubber circle 42's cross-section is the rectangle ring structure to can fix closing plate 41 at the elevator lateral wall when need not braking the elevator.

As a technical optimization proposal of the utility model, the inner wall of the elevator bridge box 1 is provided with a protective structure 5, the protective structure 5 comprises a sliding block 51, the sliding block 51 is connected with the inside of the elevator bridge box 1 in a sliding way, the slide block 51 is fixedly connected with a support rod 52, the support rod 52 is fixedly connected with a pull ring 53, the slide block 51 is fixedly connected with a second spring 54, because the slide block 51 is connected in the elevator bridge box 1 in a sliding way, and the slide block 51 is fixedly connected with the support rod 52, the slide block 51 can drive the support rod 52 to slide, because the supporting rod 52 is fixedly connected with the pull ring 53, when the elevator falls, the body bump can be reduced by grasping the pull ring 53, because the sliding block 51 is fixedly connected with the second spring 54, the supporting rod 52 is conveniently ejected out of the side wall of the elevator through the elastic force of the second spring 54, and people in the elevator can conveniently grasp the pull ring 53 to fix the body.

As a technical optimization scheme of the utility model, be equipped with recess 55 on the bracing piece 52, elevator axle box 1 inside sliding connection has baffle 56, baffle 56 fixedly connected with ejector pad 57, baffle 56 fixedly connected with third spring 58, owing to be equipped with recess 55 on the bracing piece 52, thereby can with baffle 56 bottom block, it is fixed with bracing piece 52, because elevator axle box 1 inside sliding connection has baffle 56, thereby can fix bracing piece 52 inside the elevator, save space, because baffle 56 fixedly connected with ejector pad 57, thereby when needing to use pull ring 53, the accessible promotes ejector pad 57 and drives baffle 56 and rise, make pull ring 53 from the inside roll-off of elevator lateral wall, because baffle 56 fixedly connected with third spring 58, thereby when not using, the elasticity of accessible third spring 58 makes baffle 56 resume the normal position.

As a technical optimization scheme of the utility model, 56 bottom cross-sections of baffle are trapezoidal, just 56 bottoms of baffle can with recess 55 block to make things convenient for fixed support rod 52, prevent that bracing piece 52 from automatic retraction elevator lateral wall is inside when rocking.

When the utility model is used, because the inside of the elevator bridge box 1 is connected with the connecting rod 21 in a sliding way, the bottom end of the connecting rod 21 is connected with the connecting block 22, the connecting rod 21 can drive the connecting block 22 to ascend, because the connecting block 22 is provided with the sliding groove 23, the brake rod 25 can conveniently slide in the connecting block 22, because the inside of the elevator bridge box 1 is fixedly connected with the fixing rod 24, the fixing rod 24 is rotatably connected with the brake rod 25, the brake rod 25 can rotate around the fixing rod 24, the brake rod 25 can rotate more quickly and labor-saving, because the top end of the connecting rod 21 is fixedly connected with the steel wire rope 26, the connecting block 22 can be driven to ascend by pulling the steel wire rope 26, because the steel wire rope 26 is fixedly connected with the pulling plate 27, the connecting block 22 can ascend by rotating the pulling plate 27 and is more quickly and labor-saving, because the inside of the elevator bridge box 1 is rotatably connected with the pulley 28, the steel wire rope 26 is rotatably connected with the pulley 28, the width of the groove of the pulley 28 is larger than the outer diameter of the steel wire rope 26, so that the steel wire rope 26 can rise more quickly and more easily, abrasion to the steel wire rope 26 is avoided, the side end of the connecting rod 21 is fixedly connected with the reset block 31, so that the connecting rod 21 can drive the reset block 31 to move when moving, the top end of the reset block 31 is fixedly connected with the first spring 32, so that the brake rod 25 can keep an original state and does not generate friction with the wall through the elastic force of the first spring 32 when the elevator does not need to be braked, the pull plate 27 can be prevented from being pulled randomly due to the detachable connection of the sealing plate 41 on the side wall of the elevator axle box, the rubber ring 42 is fixedly connected in the elevator axle box 1, so that the friction force can be increased, the slide block 51 is slidably connected in the elevator axle box 1, the slide block 51 is fixedly connected with the support rod 52, so that the slide block 51 can drive the support rod 52 to slide, because the pull ring 53 is fixedly connected to the support rod 52, when the elevator falls, the collision of the body can be reduced by grasping the pull ring 53, because the sliding block 51 is fixedly connected with the second spring 54, the support rod 52 can be conveniently ejected out of the elevator side wall through the elastic force of the second spring 54, a person in the elevator can conveniently grasp the pull ring 53 to fix the body, because the groove 55 is arranged on the support rod 52, the support rod 52 can be clamped with the bottom end of the baffle 56, the support rod 52 is fixed, because the baffle 56 is slidably connected inside the elevator bridge box 1, the support rod 52 can be fixed inside the elevator, the space is saved, because the baffle 56 is fixedly connected with the push block 57, when the pull ring 53 is needed to be used, the push block 57 can be pushed to drive the baffle 56 to ascend, so that the pull ring 53 slides out of the inside the elevator side wall, because the baffle 56 is fixedly connected with the third spring 58, when the elevator is not used, the elastic force of the third spring 58 can be passed, restoring the baffle 56.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. The utility model provides a lift elevator initiative arresting gear that falls, includes elevator axle case (1), its characterized in that: install braking structure (2) on elevator axle box (1), braking structure (2) include connecting rod (21), elevator axle box (1) inside sliding connection has connecting rod (21), connecting rod (21) bottom is connected with connecting block (22), be equipped with spout (23) on connecting block (22), elevator axle box (1) inside fixedly connected with dead lever (24), dead lever (24) rotate and are connected with brake lever (25), brake lever (25) and connecting block (22) sliding connection, the top fixedly connected with wire rope (26) of connecting rod (21), wire rope (26) fixedly connected with arm-tie (27).

2. The active fall arrest device for elevators according to claim 1, characterized in that: the fixing rod (24) is close to the top end of the brake rod (25) and is positioned at one third of the brake rod (25).

3. The active fall arrest device for elevators according to claim 1, characterized in that: the brake levers (25) are arranged in two numbers, the two brake levers (25) are arranged in a mirror image mode about the center line of the connecting block (22), and one ends of the sections of the two brake levers (25) are circular and are provided with a plurality of clamping teeth in an outer distribution mode.

4. The active fall arrest device for elevators according to claim 1, characterized in that: the elevator bridge box (1) is connected with a pulley (28) in a rotating mode, and the width of a groove of the pulley (28) is larger than the outer diameter of the steel wire rope (26).

5. The active fall arrest device for elevators according to claim 1, characterized in that: the side of connecting rod (21) is equipped with reset structure (3), reset structure (3) are including reset block (31), connecting rod (21) side fixedly connected with reset block (31), reset block (31) top fixedly connected with first spring (32), reset block (31) and elevator axle case (1) sliding connection.

6. The active fall arrest device for elevators according to claim 1, characterized in that: sealing structure (4) are installed to elevator bridge case (1) lateral wall, sealing structure (4) include closing plate (41), elevator bridge case (1) lateral wall can be dismantled and be connected with closing plate (41), fixedly connected with rubber circle (42) in elevator bridge case (1).

7. The active fall arrest device for elevators according to claim 6, characterized in that: the rubber ring (42) is abutted against the sealing plate (41), and the cross section of the rubber ring (42) is in a rectangular ring structure.

8. The active fall arrest device for elevators according to claim 1, characterized in that: the elevator bridge box is characterized in that a protective structure (5) is arranged on the inner wall of the elevator bridge box (1), the protective structure (5) comprises a sliding block (51), the sliding block (51) is connected inside the elevator bridge box (1) in a sliding mode, a supporting rod (52) is fixedly connected to the sliding block (51), a pull ring (53) is fixedly connected to the supporting rod (52), and a second spring (54) is fixedly connected to the sliding block (51).

9. The active elevator fall arrest device according to claim 8, characterized in that: the elevator bridge box is characterized in that a groove (55) is formed in the supporting rod (52), a baffle plate (56) is connected to the inside of the elevator bridge box (1) in a sliding mode, the baffle plate (56) is fixedly connected with a push block (57), and the baffle plate (56) is fixedly connected with a third spring (58).

10. A fall positive braking device for elevators according to claim 9, characterized in that: the section of the bottom end of the baffle plate (56) is trapezoidal, and the bottom end of the baffle plate (56) can be clamped with the groove (55).