CN218809787U - Automatic balancing and hanging device for first rope of friction type elevator - Google Patents

Abstract

The utility model discloses a first rope automatic balance linkage of friction formula lifting machine relates to lifting machine equipment technical field, including the medium plate, the lower extreme of medium plate is equipped with the clamp plate, the quantity of clamp plate is two, two the clamp plate slides and sets up surface lower extreme around the medium plate, one side surface lower extreme of one side of medium plate all is equipped with the arm-tie, one side the clamp plate with the position that the arm-tie corresponds is equipped with the spout, the upper end of arm-tie is equipped with cushion, one side the outside surface upper end of clamp plate with the position that the cushion corresponds is equipped with the baffle, the cushion with be equipped with the intercommunication hydro-cylinder between the baffle, be equipped with the intercommunication pipeline between the intercommunication hydro-cylinder, two just be equipped with the fixed plate in the outside of medium plate, make lifting wire rope realize tension automatic balance under sound state, reduce because of the steel wire tension difference that cylinder grooving diameter error arouses, effectively promote wire rope life, increase liner life.

Description

Automatic balancing and hanging device for first rope of friction type elevator

Technical Field

The utility model relates to a lifting machine equipment technical field, concretely relates to first rope automatic balance linkage of friction formula lifting machine.

Background

The friction type hoister is the main hoisting equipment for mines, especially for deep wells and ultra-deep wells, and its working principle is that a steel wire rope is directly wound on a friction wheel of the hoister, and the friction force between the steel wire rope and a friction lining is used for hoisting a heavy object. Compared with a single-rope winding type hoister, the hoisting machine has the main advantages that: (1) The lifting height is not limited by the rope containing amount of the roller, and the deep well lifting device is suitable for deep well lifting; (2) The hoisting load is borne by a plurality of steel wire ropes, and the diameter of each steel wire rope is smaller than that of a single-rope winding type hoisting machine with the same load; and (3) the friction wheel has small diameter and the total mass of the hoister is small. However, the main disadvantages of the friction hoist and the single rope winding hoist are: (2) When one steel wire rope is damaged and needs to be replaced, other steel wire ropes also need to be replaced, and the maintenance cost of the steel wire ropes is high; (3) Because the rope needs to be adjusted in the using process, the double-hook lifting is not suitable for multi-level lifting.

In order to ensure the lifting safety of the friction type lifter and prolong the service life of the lifter and the steel wire ropes, the tension of a plurality of steel wire ropes of the lifter is required to be consistent, the difference between the tension of any first rope and the average tension is not more than +/-10 percent, otherwise, the rope is required to be adjusted. Therefore, in order to meet the requirement that the tension of the first rope is consistent, reduce the abrasion of a friction lining of a roller of the hoister and balance the tension of each first rope, a first rope tension balancing device is required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a first rope automatic balance linkage of friction formula lifting machine to the life who provides in solving above-mentioned background art in order to ensure that friction formula lifting machine promotes safety and improvement lifting machine and wire rope must guarantee that the tension of the several wire ropes of lifting machine is unanimous, and the difference between the tension of an arbitrary first rope and average tension must not exceed 10%, otherwise should transfer the rope. Therefore, in order to meet the requirement that the tension of the first rope is consistent, reduce the abrasion of a friction lining of a roller of the hoisting machine and balance the tension of each first rope, a first rope tension balancing device is needed.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a first rope automatic balance linkage of friction formula lifting machine, includes the medium plate, the lower extreme of medium plate is equipped with the clamp plate, the quantity of clamp plate is two, two the clamp plate slides and sets up surface lower extreme around the medium plate, one side surface lower extreme of medium plate all is equipped with the arm-tie, one side the clamp plate with the position that the arm-tie corresponds is equipped with the spout, the upper end of arm-tie is equipped with cushion, one side the outside surface upper end of clamp plate with the position that the cushion corresponds is equipped with the baffle, the cushion with be equipped with the intercommunication hydro-cylinder between the baffle, be equipped with the intercommunication pipeline between the intercommunication hydro-cylinder, two between the clamp plate and be in the outside of medium plate is equipped with the fixed plate.

Preferably, the upper ends of the front outer surface and the rear outer surface of the middle plate are provided with two upper connecting plates, an upper connecting pin penetrates through the two upper connecting plates and the middle plate, a die-shaped rope ring is arranged at the upper end between the two upper connecting plates, the two upper connecting plates and the die-shaped rope ring are fixedly connected through bolts, and a steel wire rope is arranged at the upper end of the die-shaped rope ring.

Preferably, a connecting seat is arranged at the lower end between the two pressing plates, the lower end of the connecting seat is fixedly connected with a reversing fork through a bolt, a middle connecting pin penetrates through the lower ends of the two pressing plates and the connecting seat, and a lower connecting pin penetrates through the lower end of the reversing fork.

Preferably, the pulling plate extends into the sliding groove, the pulling plate extends to the outer side end of the pressing plate through the sliding groove, and the pulling plate is connected with the sliding groove in a sliding mode.

Preferably, a reinforcing angle is arranged between the upper surface of the baffle and the outer side surface of the pressing plate, and protection plates are arranged on the outer side surface of the pressing plate and on two sides of the communicating oil cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the traditional hydraulic spiral and hydraulic cushion block rope regulators commonly used at home and abroad, the automatic tension balance of the hoisting steel wire rope is realized at dynamic and static states, the parking adjustment is not needed, the steel wire tension difference caused by the diameter error of a roller rope groove is reduced, the stress change of the steel wire rope caused by the rigidity error of the steel wire rope is reduced or eliminated, the service life of the steel wire rope is effectively prolonged, the rope breaking accident caused by the unbalanced tension is reduced, the abrasion of a hoisting machine liner is reduced, the service life of the liner is prolonged, the turning liner is reduced or cancelled, the tension is tested, the balance is adjusted, the maintenance workload is reduced, and the number of times of adjusting the cage rope is reduced.

Drawings

Fig. 1 is an axonometric view of the main structure of the present invention;

fig. 2 is a sectional view of the main structure of the present invention;

FIG. 3 is a schematic front view of the main structure of the present invention;

fig. 4 is a left side view of the main structure of the present invention;

fig. 5 is a left side sectional view of the main structure of the present invention.

In the figure: 1-middle plate, 2-pressing plate, 3-pulling plate, 4-sliding chute, 5-cushion block, 6-baffle, 7-communicating oil cylinder, 8-communicating pipeline, 9-fixing plate, 10-upper connecting plate, 11-upper connecting pin, 12-model rope ring, 13-steel wire rope, 14-connecting seat, 15-reversing fork, 16-middle connecting pin, 17-lower connecting pin, 18-reinforcing angle and 19-protecting plate.

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.

Please refer to fig. 1-5, the utility model provides a first rope automatic balance linkage of friction formula lifting machine, including medium plate 1, the lower extreme of medium plate 1 is equipped with clamp plate 2, the quantity of clamp plate 2 is two, two clamp plate 2 slides and sets up surface lower extreme around medium plate 1, one side surface lower extreme of medium plate 1 all is equipped with arm-tie 3, one side clamp plate 2 with the position that arm-tie 3 corresponds is equipped with spout 4, the upper end of arm-tie 3 is equipped with cushion 5, one side the outside surface upper end of clamp plate 2 with the position that cushion 5 corresponds is equipped with baffle 6, cushion 5 with be equipped with between the baffle 6 and communicate the hydro-cylinder 7, be equipped with between the communicate the hydro-cylinder 7 and communicate pipeline 8, two between the clamp plate 2 and be equipped with fixed plate 9 in the outside of medium plate 1.

When the lifting device is used, tension imbalance of steel wire ropes occurs when the lifting device operates, tension difference is generated among the steel wire ropes, a closed-loop passive hydraulic connection mode is adopted, no matter whether the steel wire ropes move or are static, as long as tension difference exists among the steel wire ropes, the steel wire ropes with large tension drive the middle plate 1 and the pull plate 3 to move relative to the pressing plates 2 and the sliding grooves 4, the fixing plate 9 is arranged between the two pressing plates 2, the two pressing plates 2 are firmly connected, the cushion blocks 5 and the baffle plates 6 compress the communication oil cylinders 7, piston rods of the communication oil cylinders 7 are compressed, the suspension device extends, the tension of the steel wire ropes is reduced, oil in the oil cylinders enters the communication oil cylinders 7 with small tension through the communication pipelines 8, the piston rods of the communication oil cylinders extend outwards to push the cushion blocks 5 to move relative to the baffle plates 6, the cushion blocks 5 drive the pull plates 3 to move in the sliding grooves 4, the middle plate 2 moves relative to the pressing plates 2, the other communication oil cylinders 7 are suspended for length compression, the tension of the steel wire ropes is increased, and the tension of the steel wire ropes is correspondingly stopped until the tension of each steel wire rope is equal.

The middle plate comprises a middle plate 1 and is characterized in that upper connecting plates 10 are arranged at the upper ends of the front outer surface and the rear outer surface of the middle plate 1, the number of the upper connecting plates 10 is two, upper connecting pins 11 penetrate between the two upper connecting plates 10 and the middle plate 1, a die-shaped rope ring 12 is arranged at the upper end between the two upper connecting plates 10, the two upper connecting plates 10 and the die-shaped rope ring 12 are fixedly connected through bolts, a steel wire rope 13 is arranged at the upper end of the die-shaped rope ring 12, the upper connecting plate 10 is arranged at the upper end of the middle plate 1, the upper connecting plate 10 is fixedly arranged at the upper end of the middle plate 1 through the upper connecting pins 11, so that the upper connecting plates and the middle plate 1 can rotate, the die-shaped rope ring 12 is arranged on the upper connecting plate 10, and the steel wire rope 13 is fixedly arranged on the upper connecting plates 10 through the die-shaped rope ring 12.

Two the lower extreme is equipped with connecting seat 14 between the clamp plate 2, the lower extreme of connecting seat 14 passes through bolt fixedly connected with switching-over fork 15, two the lower extreme of clamp plate 2 with run through between the connecting seat 14 and be equipped with well connecting pin 16, the lower extreme of switching-over fork 15 runs through and is equipped with down connecting pin 17, sets up connecting seat 14 lower extreme between clamp plate 2 through well connecting pin 16 for can rotate between connecting seat 14 and the clamp plate 2, will change-over fork 15 through the bolt and fix the lower extreme that sets up at connecting seat 14, and set up down connecting pin 17 at switching-over fork 15 lower extreme, make switching-over fork 15 can be connected with external equipment through connecting pin 17 down.

The pull plate 3 extends into the inside of the sliding groove 4, the pull plate 3 extends out of the outer side end of the pressing plate 2 through the sliding groove 4, the pull plate 3 is connected with the sliding groove 4 in a sliding mode, and the sliding groove 4 is formed in the pressing plate 2, so that the pull plate 3 can extend out of the pressing plate 2 through the sliding groove 4.

The upper surface of baffle 6 with be equipped with between the outside surface of clamp plate 2 and strengthen angle 18, the outside surface of clamp plate 2 just the both sides of intercommunication hydro-cylinder 7 are equipped with guard plate 19, and through set up between baffle 6 and clamp plate 2 and strengthen angle 18, strengthen the joint strength of baffle 6 and clamp plate 2, through set up guard plate 19 in the outside of intercommunication hydro-cylinder 7, protect intercommunication hydro-cylinder 7 through guard plate 19.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a first rope automatic balance linkage of friction formula lifting machine which characterized in that: including medium plate (1), the lower extreme of medium plate (1) is equipped with clamp plate (2), the quantity of clamp plate (2) is two, two clamp plate (2) slide to set up surface lower extreme around medium plate (1), one side surface lower extreme of medium plate (1) all is equipped with arm-tie (3), one side clamp plate (2) with the position that arm-tie (3) correspond is equipped with spout (4), the upper end of arm-tie (3) is equipped with cushion (5), one side the outside surface upper end of clamp plate (2) with the position that cushion (5) correspond is equipped with baffle (6), cushion (5) with be equipped with between baffle (6) and communicate hydro-cylinder (7), be equipped with between communicate hydro-cylinder (7) and communicate pipeline (8), two just be in between clamp plate (2) the outside of medium plate (1) is equipped with fixed plate (9).

2. The automatic balancing and suspending device for the head rope of the friction type hoisting machine according to claim 1, is characterized in that: the middle plate is characterized in that upper connecting plates (10) are arranged at the upper ends of the front outer surface and the rear outer surface of the middle plate (1), the number of the upper connecting plates (10) is two, upper connecting pins (11) penetrate through the middle plate (1) and the upper connecting plates (10), a die-shaped rope ring (12) is arranged at the upper end of the middle plate, the upper connecting plates (10) and the die-shaped rope ring (12) are fixedly connected through bolts, and a steel wire rope (13) is arranged at the upper end of the die-shaped rope ring (12).

3. The automatic balancing and suspending device for the head rope of the friction type hoisting machine according to claim 1, characterized in that: the lower extreme is equipped with connecting seat (14) between two clamp plate (2), the lower extreme of connecting seat (14) passes through bolt fixedly connected with switching-over fork (15), two the lower extreme of clamp plate (2) with run through between connecting seat (14) and be equipped with well connecting pin (16), the lower extreme of switching-over fork (15) runs through and is equipped with down connecting pin (17).

4. The automatic balancing and suspending device for the head rope of the friction type hoisting machine according to claim 1, is characterized in that: the pull plate (3) extends into the inside of the sliding groove (4), the pull plate (3) extends out of the outer side end of the pressing plate (2) through the sliding groove (4), and the pull plate (3) is connected with the sliding groove (4) in a sliding mode.

5. The automatic balancing and suspending device for the head rope of the friction type hoisting machine according to claim 1, is characterized in that: and a reinforcing angle (18) is arranged between the upper surface of the baffle (6) and the outer side surface of the pressing plate (2), and protection plates (19) are arranged on the outer side surface of the pressing plate (2) and on two sides of the communication oil cylinder (7).

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