CN210457077U

CN210457077U - Anti-jumping device for cable of elevator traction sheave

Info

Publication number: CN210457077U
Application number: CN201921135081.0U
Authority: CN
Inventors: 姚俊; 江河信; 汪玮
Original assignee: Chizhou Special Equipment Supervision And Inspection Center
Current assignee: Chizhou Special Equipment Supervision And Inspection Center
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-05-05
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an elevator traction sheave cable anti-bouncing device, including the I-steel, the top of frame is located the hauler left side and is located the position of haulage rope and is equipped with anticreep equipment, the position that anticreep pole internal surface is located haulage rope bilateral symmetry position and is close to the anticreep pole top rotates and is connected with fixed spacing guide pulley, the position that slip spacing inslot internal surface is located the haulage rope both sides all sliding connection has spacing clamp splice, the position that spacing clamp splice internal surface is close to the haulage rope all is equipped with spacing guide pulley, fix through the spacing spring that locates spacing clamp splice front and back between the spacing clamp splice, the position that the anticreep pole bottom is close to the base is equipped with the cushion socket; the utility model discloses a fixed spacing guide pulley and the spacing clamp splice that set up on the anticreep pole in the anticreep equipment to and set up the spacing guide pulley in spacing clamp splice, coordinate spacing spring and buffer spring, problem that can exist among the effectual solution background art.

Description

Anti-jumping device for cable of elevator traction sheave

Technical Field

The utility model relates to an elevator equipment field specifically is an elevator driving sheave cable anti-bouncing device.

Background

In the prior art, each pulley on the elevator is provided with a groove-disengaging prevention device, and the existing groove-disengaging prevention device is used for preventing a steel wire rope from disengaging from a groove by a plurality of fixed rope blocking rods. However, the groove-drop preventing device has certain defects that when the elevator runs downwards and stalls at a rated speed, the speed limiter acts and triggers the safety tongs to brake, the elevator counterweight system is approximately in a vertical upward-throwing state in the braking process of the safety tongs, and in the upward-throwing process, the traction steel wire rope has the condition of small tension or even zero within a period of time. In the process, the steel wire rope is not separated from the sheave groove of the traction sheave due to the factors such as the stress, the torsion and the inertia of the steel wire rope. When the counterweight is thrown upwards and weighed, the steel wire rope can be tensioned again, and the steel wire rope can not be normally reset to the corresponding rope groove in the process, namely the steel wire rope is separated from the groove. Therefore, there is a high necessity to solve such problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective provides an elevator driving sheave cable anti-bouncing device, solves prior art, and when the elevator was down stalled, wire rope self stress, torsion and inertia etc. factor leaded to wire rope to break away from the problem of driving sheave race.

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

an anti-jumping device for a cable of an elevator traction wheel comprises an I-shaped steel, wherein a guide wheel is arranged on the left side of the inner surface of the I-shaped steel, a rack is arranged at the top of the left side of the I-shaped steel, a traction machine is arranged at the top of the rack, a traction rope is arranged on the inner surface of the traction machine, a traction rope is arranged on the inner surface of the guide wheel, anti-falling equipment is arranged at the top of the rack, which is positioned on the left side of the traction machine and is positioned on the traction rope, and comprises a base and an anti-falling rod, the inner surface of the anti-falling rod is positioned at the bilateral symmetry position of the traction rope and is rotationally connected with a fixed limiting guide wheel close to the top of the anti-falling rod, a sliding groove is arranged at the middle position of the bottom of the anti-falling rod, limiting blocks are slidably connected at the positions of the inner surface of the sliding limiting groove, the position that anticreep pole bottom is close to the base is equipped with the cushion socket, the cushion socket right side through buffer spring with be close to the cushion socket spacing clamp splice swing joint.

Furthermore, the outer surface of the anti-falling device is fixedly connected with the rack through bolts.

Furthermore, the top position of the right side of the base is fixedly connected with an anti-falling rod, an included angle is formed between the anti-falling rod and the base, and the anti-falling rod is perpendicular to the traction rope.

Furthermore, the position that anticreep pole bottom is located spacing clamp splice and keeps away from buffer seat one side is equipped with the spacing clamp splice of shock attenuation.

Furthermore, a rubber pad is arranged on one side, close to the limiting clamping block, of the damping limiting clamping block, and the rubber pad can be detached and replaced.

The working principle and the beneficial effects are as follows: the problems in the background art can be effectively solved by the fixing limiting guide wheel and the limiting clamping block arranged on the anti-falling rod in the anti-falling device, and the limiting guide wheel arranged in the limiting clamping block and the limiting spring and the buffer spring which are matched with each other; when the elevator runs downwards and stalls at a rated speed, the traction rope at the lower position of the limiting rod swings due to the self stress, torsion, inertia and other factors of the traction rope, the force generated by the swinging of the traction rope acts on the limiting guide wheel in the limiting clamping block, so that the limiting clamping blocks at the left side and the right side of the traction rope move to different degrees, the limiting clamping blocks are fixed by the limiting springs arranged at the front side and the back side of the limiting clamping blocks, the right side of the buffer seat is movably connected with the limiting clamping blocks close to the buffer seat through the buffer springs, the limiting springs and the buffer springs absorb the force acting between the limiting clamping blocks, the swinging angle of the limiting clamping blocks cannot be too large, most of the swinging force of the traction rope is weakened through the combination of the limiting springs and the buffer springs and the limiting clamping blocks, and the burden of fixing the limiting guide wheel is reduced, the swinging force of the traction rope at the fixed limiting guide wheel is very small, and the traction rope on the traction wheel can be effectively prevented from falling off due to the swinging of the traction rope above the limiting rod through the limitation of the fixed limiting guide wheel on the swinging of the traction rope; the outer surface of the anti-falling equipment is fixedly connected with the rack through a bolt, so that the anti-falling equipment is convenient to disassemble and adjust, and the equipment is convenient to maintain; the top position of the right side of the base is fixedly connected with the anti-falling rod, an included angle is formed between the anti-falling rod and the base, and the anti-falling rod is perpendicular to the traction rope, so that the anti-falling equipment is prevented from being subjected to gravity component of a balance weight, the pressure on the anti-falling equipment is prevented from being too large, and the service life of the anti-falling equipment is prevented from being influenced; the shock absorption limiting clamping block is arranged at the position, located at the side, far away from the buffer seat, of the bottom of the anti-falling rod, the impact force of the limiting clamping block located at the right side of the traction rope can be absorbed, and meanwhile the swinging distance of the limiting clamping block can be limited; the damping limiting clamping block is provided with a rubber pad on one side close to the limiting clamping block, the rubber pad can be detached and replaced, and the rubber pads with different thicknesses can be used according to the inclination angle of the traction rope, so that the limiting guide wheel is guaranteed not to receive the gravity component of the counterweight in the normal running state of the elevator.

Drawings

FIG. 1 is a schematic view of the partial sectional structure of the front view of the present invention;

fig. 2 is the schematic view of the anti-falling device structure of the present invention.

In the figure: 1. a frame; 2. a traction machine; 3. anti-drop equipment; 4. a base; 5. an anti-drop rod; 6. fixing a limiting guide wheel; 7. a limiting clamping block; 8. a limiting guide wheel; 9. a limiting spring; 10. a buffer seat; 11. spacing clamp splice of shock attenuation.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, an anti-jumping device for a cable of an elevator traction sheave comprises an i-steel, wherein a guide wheel is arranged on the left side of the inner surface of the i-steel, a frame 1 is arranged at the top of the left side of the i-steel, a traction machine 2 is arranged at the top of the frame 1, a traction rope is arranged on the inner surface of the traction wheel and the inner surface of the guide wheel on the traction machine 2, an anti-falling device 3 is arranged at the top of the frame 1, which is positioned on the left side of the traction machine 2 and is positioned on the traction rope, the anti-falling device 3 is composed of a base 4 and an anti-falling rod 5, a fixed limiting guide wheel 6 is rotatably connected to the inner surface of the anti-falling rod 5, which is positioned on the bilateral symmetry position of the traction rope and is close to the top of the anti-falling rod 5, a sliding groove is arranged at the middle position of the bottom of the, spacing clamp splice 7 is fixed through locating spacing spring 9 at spacing clamp splice 7 openly and the back between, the position that anticreep pole 5 bottoms are close to base 4 is equipped with buffer seat 10, buffer seat 10 right side through buffer spring with be close to buffer seat 10 spacing clamp splice 7 swing joint.

The utility model relates to an elevator traction sheave cable anti-bouncing device, when the elevator runs downwards and stalls in the rated speed state, the traction rope swinging at the position below a limiting rod is caused by the factors such as the self stress, torsion and inertia of the traction rope, the force generated by the traction rope swinging acts on a limiting guide wheel 8 in a limiting clamping block 7, so that the limiting clamping blocks 7 at the left and right sides of the traction rope can move to different degrees, because the limiting clamping blocks 7 are fixed by limiting springs 9 arranged at the front and the back of the limiting clamping block 7, the right side of a buffer seat 10 is movably connected with the limiting clamping block 7 close to the buffer seat 10 through buffer springs, the limiting springs 9 and the buffer springs can absorb the force acting between the limiting clamping blocks 7, the swinging angle of the limiting clamping blocks 7 can not be too large, most of the swinging force of the traction rope is weakened through the combination of the limiting springs 9 and the buffer springs and the limiting clamping blocks 7, the burden of the fixed limiting guide wheel 6 is reduced, the swinging force of the traction rope at the position of the fixed limiting guide wheel 6 is very small, and the traction rope on the traction wheel can be effectively prevented from swinging to fall off due to the swinging of the traction rope above the limiting rod through the limitation of the fixed limiting guide wheel 6 on the swinging of the traction rope.

Wherein, 3 surfaces of anticreep equipment pass through bolt and 1 fixed connection of frame, conveniently dismantle and adjust anticreep equipment to and the maintenance of equipment.

Wherein, 4 right side top positions of base and 5 fixed connection of anticreep pole, there is the contained angle between anticreep pole 5 and the base 4, anticreep pole 5 is perpendicular with the haulage rope, avoids anticreep equipment to receive the gravity component of counter weight, and the pressure that leads to anticreep equipment to receive is too big, influences life.

The position that the bottom of the anti-disengaging rod 5 is located the limiting clamping block 7 and is far away from one side of the buffer seat 10 is provided with a damping limiting clamping block 11, the impact force of the limiting clamping block located on the right side of the traction rope can be absorbed, and meanwhile the swinging distance of the limiting clamping block can be limited.

Wherein, the spacing clamp splice of shock attenuation 11 is close to one side of spacing clamp splice 7 and is equipped with the rubber pad, the rubber pad can be dismantled and the replacement, can use the rubber pad of different thickness according to the inclination of haulage rope, guarantees that spacing guide pulley can not receive the gravity branch of counter weight under the state of elevator normal operating.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an elevator driving sheave cable anti-bouncing device, includes the I-steel, I-steel internal surface left side is equipped with the guide pulley, I-steel left side top is equipped with frame (1), frame (1) top is equipped with hauler (2), be equipped with the internal surface of driving sheave on hauler (2) with the guide pulley internal surface is equipped with haulage rope, its characterized in that: the top of the rack (1) is positioned on the left side of the traction machine (2) and is provided with an anti-falling device (3) at the position of the traction rope; the anti-falling device (3) consists of a base (4) and an anti-falling rod (5); the inner surface of the anti-falling rod (5) is positioned at the symmetrical positions of the two sides of the traction rope and is rotatably connected with a fixed limiting guide wheel (6) at a position close to the top of the anti-falling rod (5); a sliding groove is formed in the middle of the bottom of the anti-falling rod (5); the inner surface of the sliding limiting groove is positioned at the two sides of the traction rope and is connected with a limiting clamping block (7) in a sliding way; the positions, close to the traction rope, of the inner surface of the limiting clamping block (7) are provided with limiting guide wheels (8); the limiting clamping blocks (7) are fixed through limiting springs (9) arranged on the front and back of the limiting clamping blocks (7); a buffer seat (10) is arranged at the bottom of the anti-falling rod (5) close to the base (4); the right side of the buffer seat (10) is movably connected with the limiting clamping block (7) close to the buffer seat (10) through a buffer spring.

2. The anti-jump device of elevator traction sheave cable according to claim 1, characterized in that: the outer surface of the anti-falling device (3) is fixedly connected with the rack (1) through bolts.

3. The anti-jump device of elevator traction sheave cable according to claim 1, characterized in that: the top position of the right side of the base (4) is fixedly connected with the anti-falling rod (5); an included angle is formed between the anti-falling rod (5) and the base (4); the anti-falling rod (5) is perpendicular to the traction rope.

4. The anti-jump device of elevator traction sheave cable according to claim 1, characterized in that: the position that anticreep pole (5) bottom is located spacing clamp splice (7) and keeps away from buffer seat (10) one side is equipped with spacing clamp splice of shock attenuation (11).

5. The elevator traction sheave cable anti-jump apparatus of claim 4, wherein: a rubber pad is arranged on one side, close to the limiting clamping block (7), of the damping limiting clamping block (11); the rubber pad can be detached and replaced.