CN213112140U

CN213112140U - Anti-rope-falling traction sheave

Info

Publication number: CN213112140U
Application number: CN202021131754.8U
Authority: CN
Inventors: 严小斌; 张文龙; 李佳文; 凌琦; 谢继刚
Original assignee: Zhejiang Derui Elevator Parts Technology Co ltd
Current assignee: Zhejiang Derui Elevator Parts Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-04
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to an anti-drop rope traction sheave, which comprises a sheave body, wherein a bearing is arranged on the sheave body, a plurality of annular clapboards are evenly distributed on the surface of the bearing, a channel for rope movement is formed between every two adjacent clapboards of the annular clapboards, a plurality of anti-drop rope devices are arranged in the channel, a plurality of anti-drop rope devices are distributed on the upper side of the sheave body, each anti-drop rope device comprises a bracket clamped in the channel, a mounting bracket sliding up and down on the bracket, and an anti-drop wheel rotationally connected with the mounting bracket, a driving cylinder for driving the mounting bracket to slide up and down is also arranged on the bracket, when the rope is required to be limited, the electric push rod can drive the mounting frame to move downwards, so that the anti-falling wheel is downwards close to the rope, the wheel surface of the anti-falling wheel is contacted with the rope, the rope is limited, so that the hoisting rope is prevented from loosening and being separated from the rope groove, and the elevator is prevented from being influenced in operation.

Description

Anti-rope-falling traction sheave

Technical Field

The utility model belongs to the technical field of the elevator accessory, a anticreep rope driving sheave is related to.

Background

With the development of economic construction, high buildings stand in forests, and elevators are indispensable as main tools for going upstairs and downstairs. The elevator assembly comprises a lift car, a traction machine, a traction rope and a balancing weight, wherein two ends of the traction rope are respectively connected with the lift car and the balancing weight, the middle of the traction rope is connected with the traction machine, and the traction rope is driven to move forwards or backwards along with the rotation of the traction machine, so that the lift car is driven to move upwards and downwards. The traction machine comprises a traction sheave, a motor and a speed reducer, wherein the traction sheave is a main accessory matched with the traction rope, the motor drives the traction sheave to rotate through the speed reducer, and the traction sheave drives the traction rope to move through friction with the traction rope. The traction sheave thus plays an indispensable role in the elevator assembly and is a very important component in elevator fittings.

The traction sheave in the prior art comprises a sheave body, wherein a plurality of rope grooves are formed in the sheave surface of the sheave body, and the traction rope is placed in the rope grooves. The hoisting rope has the disadvantages that a plurality of hoisting ropes are generally adopted, if the tightness of the hoisting ropes is inconsistent, the tightness of each hoisting rope clamped in the rope groove is inconsistent, and the loose hoisting ropes are easy to be out of the groove along with the rotation of the hoisting wheel

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art, and provides a traction sheave capable of preventing a traction rope from easily disengaging from a groove.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an anticreep rope driving sheave, includes the wheel body, the wheel body on be provided with the bearing, bearing surface evenly distributed have a plurality of annular baffles, per two adjacent baffles of annular baffle between form the passageway that can supply the rope motion, the passageway in be provided with a plurality of anticreep rope device, it is a plurality of anticreep rope device distribute in the upside of wheel body, anticreep rope device include the joint in the support of passageway, slide from top to bottom in the mounting bracket of support, rotate and connect in the anticreep wheel of mounting bracket, the support on still be provided with and be used for driving the gliding driving cylinder from top to bottom of mounting bracket.

Through setting up anticreep rope device, when needs carry on spacingly to the rope, electric putter can drive the mounting bracket and move down, makes the anticreep wheel be close to the rope downwards to make the wheel face and the rope contact of anticreep wheel, carry on spacingly to the rope, avoid the towline not hard up to deviate from the grooving, thereby cause the influence to the elevator operation, the setting of bearing can avoid the towline to drive the anticreep rope device on baffle and the baffle when rotating.

In the anti-drop rope traction sheave, a stable structure is arranged between the mounting frame and the support. The setting of stable structure can improve the stability of installing the frame when sliding from top to bottom.

In the anti-drop rope traction sheave, the stabilizing structure comprises a sliding rod horizontally arranged on one side of the mounting frame, and a sliding groove for the sliding rod to slide up and down is vertically formed in the inner side of the support. Through mutually supporting between slide bar and the spout, can carry out limiting displacement to the mounting bracket, avoid the mounting bracket to move down and make the skew take place, make the anticreep wheel can't carry out the anticreep to the rope.

In the anti-drop rope traction sheave, the sheave surface of the anti-drop rope traction sheave is provided with an annular anti-drop groove. The arrangement of the annular anti-drop groove can enable the rope to be positioned in the annular embedding groove, so that the transverse limiting effect is achieved on the rope, and the rope can be effectively prevented from deviating in the movement process to influence the operation of the elevator

In the anti-drop rope traction sheave, the driving cylinder is an electric push rod.

In foretell anticreep rope driving sheave, support and baffle between be provided with the joint structure, the joint structure includes the fixture block of fixed mounting at the support side and the vertical draw-in groove of seting up in the baffle, draw-in groove and fixture block mutually support. Through the mutual matching of the clamping grooves and the clamping blocks, the bracket can be clamped into the channel between the partition plates, so that the positioning of the bracket is realized.

In the above anti-drop rope traction sheave, the clamping block is a wedge-shaped block, and the clamping groove is a wedge-shaped groove. So set up, can improve the firm in connection nature between support and the baffle, avoid the support to drop from the baffle.

In the above anti-drop rope traction sheave, the sheave body includes an outer sheave and an inner sheave, and a reinforcing structure is provided between the outer sheave and the inner sheave. The setting of additional strengthening can improve the firm in connection degree between foreign steamer and the interior wheel.

In the above anti-rope-dropping traction sheave, the sheave body includes an outer sheave and an inner sheave, the reinforcing mechanism includes a plurality of reinforcing ribs disposed between the outer sheave and the inner sheave, and a triangle shape is formed between every two adjacent reinforcing ribs and the sheave body.

Compared with the prior art, the utility model discloses a set up anticreep rope device, when needs carry on spacingly to the rope, electric putter can drive the mounting bracket and move down, makes the anticreep wheel be close to the rope downwards to the wheel face and the rope contact that make the anticreep wheel carry on spacingly to the rope, avoid the towline not hard up to deviate from the grooving, thereby cause the influence to the elevator operation.

Drawings

Fig. 1 is a front view of the present invention;

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

fig. 3 is a schematic structural view of the rope-drop preventing device of the present invention.

In the figure, 1, a wheel body; 11. an outer wheel; 12. an inner wheel; 2. a reinforcing structure; 21. reinforcing ribs; 3. a channel; 4. a rope drop prevention device; 41. a support; 42. a mounting frame; 43. an anti-drop wheel; 44. a drive cylinder; 5. stabilizing the structure; 51. a slide bar; 52. a chute; 6. an annular anti-drop groove; 7. a clamping structure; 71. a card slot; 72. a clamping block; 8. a partition plate; 9. and a bearing.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the rope drop prevention traction sheave comprises a sheave body 1, wherein the sheave body 1 comprises an outer sheave 11 and an inner sheave 12, and a reinforcing structure 2 is arranged between the outer sheave 11 and the inner sheave 12. The reinforcing structure 2 can improve the connection firmness between the outer wheel 11 and the inner wheel 12.

The wheel body 1 comprises an outer wheel 11 and an inner wheel 12, the reinforcing mechanism comprises a plurality of reinforcing ribs 21 arranged between the outer wheel 11 and the inner wheel 12, and each two adjacent reinforcing ribs 21 and the wheel body 1 are in a triangular shape.

The wheel body 1 is provided with a bearing 9, a plurality of annular partition plates 8 are uniformly distributed on the surface of the bearing 9, when the traction sheave is used, the annular partition plates 8 positioned on the outer side are fixedly connected with a wall body, the bearing 9 is arranged between the annular partition plates 8 and the wheel body 1, and the traction sheave can be prevented from driving the partition plates 8 to rotate when rotating due to the arrangement of the bearing 9.

Form the passageway 3 that can supply the rope motion between per two adjacent baffles 8 of annular baffle 8, be provided with a plurality of rope release prevention device 4 in the passageway 3, a plurality of rope release prevention device 4 distribute in the upside of wheel body 1, rope release prevention device 4 includes the joint in the support 41 of passageway 3, slide from top to bottom in the mounting bracket 42 of support 41, rotate and connect in the anticreep wheel 43 of mounting bracket 42, annular anticreep groove 6 has been seted up on the wheel face of anticreep wheel 43. The setting of annular anticreep groove 6 can make the rope be located the annular and inlay and establish the inslot, plays horizontal limiting displacement to the rope, thereby can prevent effectively that the rope from taking place the skew in the motion process and causing the influence to the operation of elevator.

The bracket 41 is further provided with a driving cylinder 44 for driving the mounting frame 42 to slide up and down, and the driving cylinder 44 is an electric push rod. The electric push rod is adopted to control the up-and-down sliding of the bracket 41, the automation degree is high, and the device can prevent ropes with different diameters from falling off.

This scheme is for controlling electric putter through artifical naked eye, adjusts the distance between anticreep wheel 43 on the mounting bracket 42 and the rope, and as another kind of scheme, also can set up distance sensor (not drawn in the picture) at the lower extreme of mounting bracket 42, through the distance between distance sensor response mounting bracket 42 and the rope, transmission signal gives electric putter, drives electric putter operation, controls the interval between anticreep wheel 43 and the rope.

A stabilizing structure 5 is arranged between the mounting frame 42 and the support 41, the stabilizing structure 5 comprises a sliding rod 51 horizontally arranged on one side of the mounting frame 42, and a sliding groove 52 for the sliding rod 51 to slide up and down is vertically arranged on the inner side of the support 41. Through mutually supporting between slide bar 51 and the spout 52, can carry out limiting displacement to mounting bracket 42, avoid mounting bracket 42 to make the skew of taking place moving down, make anticreep wheel 43 can't carry out the anticreep to the rope.

Be provided with joint structure 7 between support 41 and the baffle 8, joint structure 7 includes fixture block 72 and the vertical draw-in groove 71 of seting up in baffle 8 of fixed mounting at support 41 side, and draw-in groove 71 and fixture block 72 mutually support. Through the mutual matching of the clamping grooves 71 and the clamping blocks 72, the bracket 41 can be clamped into the channel 3 between the partition boards 8, and therefore the positioning of the bracket 41 is achieved.

The fixture block 72 is a wedge-shaped block, and the clamping groove 71 is a wedge-shaped groove. So set up, can improve the fastness of being connected between support 41 and the baffle 8, avoid support 41 to drop from baffle 8.

When needs carry on spacingly to the rope, electric putter can drive mounting bracket 42 and move down, makes anticreep wheel 43 be close to the rope downwards to make anticreep wheel 43's wheel face and rope contact, spacing to the rope, avoid towline not hard up to deviate from in the grooving, thereby cause the influence to the elevator operation.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an anticreep rope traction sheave, includes wheel body (1), its characterized in that, wheel body (1) on be provided with bearing (9), bearing (9) surface evenly distributed have a plurality of annular baffle (8), annular baffle (8) form passageway (3) that can supply the rope motion between per two adjacent baffle (8), passageway (3) in be provided with a plurality of anticreep rope device (4), a plurality of anticreep rope device (4) distribute in the upside of wheel body (1), anticreep rope device (4) including the joint in support (41) of passageway (3), slide from top to bottom in mounting bracket (42) of support (41), rotate and connect in anticreep wheel (43) of mounting bracket (42), support (41) on still be provided with and be used for driving mounting bracket (42) gliding driving cylinder (44) from top to bottom.

2. The rope drop prevention traction sheave according to claim 1, wherein: a stabilizing structure (5) is arranged between the mounting frame (42) and the support (41).

3. The rope drop prevention traction sheave according to claim 2, wherein: the stabilizing structure (5) comprises a sliding rod (51) horizontally arranged on one side of the mounting frame (42), and a sliding groove (52) which can allow the sliding rod (51) to slide up and down is vertically formed in the inner side of the support (41).

4. The anti-drop rope sheave according to claim 1 or 2, characterized in that: the wheel surface of the anti-falling wheel (43) is provided with an annular anti-falling groove (6).

5. The rope drop prevention traction sheave according to claim 1, wherein: the driving cylinder (44) is an electric push rod.

6. The anti-drop rope sheave according to claim 1 or 2, characterized in that: support (41) and baffle (8) between be provided with joint structure (7), joint structure (7) including fixture block (72) and the vertical draw-in groove (71) of seting up in baffle (8) of fixed mounting in support (41) side, draw-in groove (71) and fixture block (72) mutually support.

7. The rope drop prevention traction sheave according to claim 6, wherein: the clamping block (72) is a wedge-shaped block, and the clamping groove (71) is a wedge-shaped groove.

8. The anti-drop rope sheave according to claim 1 or 2, characterized in that: the wheel body (1) comprises an outer wheel (11) and an inner wheel (12), and a reinforcing structure (2) is arranged between the outer wheel (11) and the inner wheel (12).

9. The rope drop prevention traction sheave according to claim 8, wherein: the reinforcing structure (2) comprises a plurality of reinforcing ribs (21) arranged between the outer wheel (11) and the inner wheel (12), and every two adjacent reinforcing ribs (21) are triangular with the wheel body (1).