CN214113893U

CN214113893U - Tensioning device for hoist

Info

Publication number: CN214113893U
Application number: CN202022606664.6U
Authority: CN
Inventors: 方利平; 姜学祥; 吴新元; 胡瑞祥
Original assignee: Jiande Machinery Chain Co ltd
Current assignee: Jiande Machinery Chain Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-09-03
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a overspeed device tensioner for lifting machine, including lifting machine storehouse, the tensioning surge bin, the upper end is equipped with the installation mechanism that the mutual correspondence of both sides was arranged in the lifting machine storehouse, installation mechanism includes backup pad and bottom suspension fagging, it is equipped with the guide post to go up between backup pad and the bottom suspension fagging, compression spring has all been cup jointed on the guide post of both sides, both sides compression spring upper end rigid coupling has the mounting panel of sliding connection on the guide post of both sides, be equipped with an installation section of thick bamboo on the mounting panel, the equal rigid coupling in both sides installation mechanism upper end has the connecting rod, the equal sliding connection of both sides connecting rod is in lifting machine storehouse upper end and extend to the tensioning surge bin, both sides connecting rod upper end is equipped with the regulating plate, tensioning surge bin upper end rigid coupling has the nut, nut female connection has the bolt, bolt one end extends to the tensioning surge bin internal rotation setting on the regulating plate. Compared with the prior art, the utility model the advantage lies in, can carry out self-regulation, labour saving and time saving to the lax of some small ranges.

Description

Tensioning device for hoist

Technical Field

The utility model relates to a lifting machine technical field specifically indicates a overspeed device tensioner for lifting machine.

Background

The elevator is a commonly used continuous conveying device for lifting and conveying solid materials from a low position to a high position, and the conveying working principle of the elevator is as follows: after the material conveyed from the feeding hole is received by the material lifting hopper, the material lifting hopper can be lifted to the top along with the traction piece and overturned downwards after bypassing the driving wheel, so that the material in the material lifting hopper is thrown out from the discharging hole, the empty material lifting hopper moves downwards along with the traction piece to the feeding hole to continuously receive the material, the material lifting hopper is lifted upwards to the top along with the traction piece after receiving the material and overturns downwards after bypassing the driving wheel, the material in the material lifting hopper is thrown out from the discharging hole again, the action of the material lifting hopper is repeated, the continuous lifting and conveying of the material is realized, and because of long-term operation, a belt for conveying the material can be gradually stretched or worn to cause chain slipping, so the chain must be tensioned by an adjusting device, most of the existing tensioning devices are fixed structures, when the belt for conveying the material is loosened, small-amplitude self-adjustment cannot be carried out, and manual adjustment and repair are needed each time, time and labor are wasted, and the normal work of the hoister is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome above defect, provide a overspeed device tensioner for hoist, can carry out the self-regulation to lax of some small ranges, labour saving and time saving does not influence the normal work of hoist.

In order to solve the technical problem, the utility model provides a technical scheme does: a tensioning device for a lifter comprises a lifter cabin and a tensioning adjusting cabin positioned at the upper end of the lifter cabin, wherein the upper end in the lifter cabin is provided with a mounting mechanism with two sides arranged correspondingly, the mounting mechanism comprises an upper supporting plate and a lower supporting plate which are arranged correspondingly up and down, a guide post with two sides arranged correspondingly is arranged between the upper supporting plate and the lower supporting plate, a compression spring is sleeved on the guide post at each of the two sides, the upper end of the compression spring is fixedly connected with a mounting plate which is connected with the guide posts at the two sides in a sliding manner, a mounting barrel is arranged on the mounting plate, the upper end of the mounting mechanism at each of the two sides is fixedly connected with a connecting rod, the connecting rods at the two sides are slidably connected with the upper end of the lifter cabin and extend into the tensioning adjusting cabin, the upper ends of the connecting rods at the two sides are provided with adjusting plates, the upper end of the tensioning adjusting cabin is fixedly connected with a nut, and the nut is in threaded connection with a bolt, one end of the bolt extends to the tensioning adjusting bin to rotate on the adjusting plate, and a rotary disc is arranged at the other end of the bolt.

As an improvement, the upper end of the elevator cabin is provided with guide cylinders with two sides arranged correspondingly, the connecting rods are connected in the guide cylinders in a sliding mode and guided through the guide cylinders, and the elevator cabin is prevented from inclining during adjustment.

As an improvement, the lower end of the bolt is provided with lugs with two sides corresponding to each other, the adjusting plate is provided with rotating grooves corresponding to the lugs with two sides, and the bolt can move upwards by pulling the adjusting plate through the lugs while moving upwards.

As an improvement, the upper end of the bolt is provided with a rotary disc, so that the bolt can be conveniently rotated.

As an improvement, the lower ends of the guide cylinders on the two sides are provided with rubber lantern rings, so that dust in the lifter is prevented from entering the tensioning adjusting bin.

Compared with the prior art, the utility model the advantage lie in: install the pivot at elevator transport mechanism's top respectively in the installation section of thick bamboo of both sides, belt conveyer makes the compression spring of both sides take place compression deformation under the effect of gravity, take up the belt tensioning through the ascending elasticity of compression spring, when the lax of small range appears in the belt, take up the belt tensioning again through the ascending elastic restoring force of compression spring, need not to carry out manual regulation, can carry out the self-regulation to the lax of some small ranges, time saving and labor saving, do not influence elevator normal work, when needs manual regulation tensioning, twist and move the bolt, bolt pulling regulating plate shifts up, the regulating plate passes through the connecting rod pulling of both sides and installs the belt pivot rebound in both sides installation mechanism, realize the tensioning.

Drawings

Fig. 1 is a side view of a tensioner for a hoist of the present invention.

Fig. 2 is a front view of the tension device for a hoist of the present invention.

As shown in the figure: 1. the device comprises a hoister bin, 2, a tensioning adjusting bin, 3, an installing mechanism, 4, an upper supporting plate, 5, a lower supporting plate, 6, a guide post, 7, an installing plate, 8, a compression spring, 9, an installing cylinder, 10, a turntable, 11, a connecting rod, 12, a guide cylinder, 13, a rubber sleeve ring, 14, an adjusting plate, 15, bolts, 16, nuts, 17, lugs, 18 and a rotating groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With the attached drawings, the tensioning device for the hoister comprises a hoister bin 1 and a tensioning adjusting bin 2 positioned at the upper end of the hoister bin 1, wherein an installing mechanism 3 with two sides arranged correspondingly is arranged at the upper end in the hoister bin 1, the installing mechanism 3 comprises an upper supporting plate 4 and a lower supporting plate 5 which are arranged correspondingly up and down, guide posts 6 with two sides arranged correspondingly are arranged between the upper supporting plate 4 and the lower supporting plate 5, compression springs 8 are sleeved on the guide posts 6, two sides are formed by fixedly connecting the upper ends of the compression springs 8 with installing plates 7 which are connected with the two sides on the guide posts 6, an installing cylinder 9 is arranged on the installing plate 7, connecting rods 11 are fixedly connected at the upper ends of the installing mechanism 3, the connecting rods 11 are connected with the upper ends of the hoister bin 1 in a sliding manner and extend into the tensioning adjusting bin 2, adjusting plates 14 are arranged at the upper ends of the connecting rods 11, tensioning surge bin 2 upper end rigid coupling has nut 16, nut 16 female connection has bolt 15, bolt 15 one end extends to tensioning surge bin 2 internal rotation and sets up on the regulating plate 14.

The upper end of the elevator bin 1 is provided with a guide cylinder 12 with two sides arranged correspondingly, and the connecting rods 11 at two sides are connected in the guide cylinder 12 in a sliding manner.

The lower end of the bolt 15 is provided with lugs 17 with two sides corresponding to each other, and the adjusting plate 14 is provided with rotary grooves 18 with two sides corresponding to the lugs 17.

The upper end of the bolt 15 is provided with a turntable 10.

The lower ends of the guide cylinders 12 on the two sides are provided with rubber lantern rings 13.

When the utility model is implemented specifically, before the belt is used, firstly, two ends of a rotating shaft of a belt at the top of the bucket elevator are respectively arranged in the installation cylinders 9 at two sides, the installation cylinders 9 at two sides are respectively fixedly connected with the upper ends of the installation plates 7 at two sides, the installation plates 7 at two sides are respectively connected with the two guide posts 6 between the upper support plates 4 and the lower support plates 5 at two sides in a sliding way, the two guide posts 6 are respectively sleeved with the compression spring 8, the upper end of the compression spring 8 is fixedly connected with the lower end of the installation plate 7, the lower end is fixedly connected with the upper end of the lower support plate 5, the installation plate 7 is pulled downwards by the gravity of the belt transportation device to compress the compression spring 8, so that the compression spring 8 deforms downwards, the belt is fixed in an elevator machine bin with a certain tension by the upward elasticity of the compression spring 8, when the belt is loosened in a small range, the upward elastic restoring force of the compression spring 8 is passed through, the mounting plates 7 on the two sides are enabled to move upwards, the belt rotating shaft at the upper end is simultaneously pushed to move upwards, the belt between the upper end and the lower end is collapsed to be straight, the belt presents tension again, manual adjustment is not needed, self adjustment can be carried out on small-range looseness, time and labor are saved, the normal work of a lifter is not affected, when the tension is required to be manually adjusted, the rotating disc 10 is rotated to drive the bolt 15 to rotate, the bolt 15 is in threaded connection with the nut 16 at the upper end of the top of the fixedly connected and tensioned adjusting bin 2, the other end of the bolt 15 extends into the tensioned adjusting bin 2 and is rotatably connected with the adjusting plate 14, the lower end of the bolt 15 is provided with the lugs 17 corresponding to the two sides, the adjusting plate 14 is provided with the rotating groove 18 corresponding to the lug 17 at the lower end of the bolt 15, the bolt 15 gradually moves upwards while rotating, the adjusting plate 14 is pulled to move upwards through the lug 17, the belt rotating shaft at the upper end is pulled to lift through the connecting rod 11 under the guidance of the guide cylinder 12, increasing the tension of the belt.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a overspeed device tensioner for lifting machine, includes lifting machine storehouse (1) and be located tensioning surge bin (2) of lifting machine storehouse (1) upper end, its characterized in that: the upper end is equipped with installation mechanism (3) that the both sides correspond each other and arrange in lifting machine storehouse (1), installation mechanism (3) including correspond last backup pad (4) and bottom suspension fagging (5) of arranging from top to bottom, go up the guide post (6) that the both sides correspond each other and arrange between backup pad (4) and bottom suspension fagging (5), both sides all have cup jointed compression spring (8) on guide post (6), both sides compression spring (8) upper end rigid coupling has sliding connection mounting panel (7) on both sides guide post (6), be equipped with installation section of thick bamboo (9) on mounting panel (7), both sides equal rigid coupling in installation mechanism (3) upper end has connecting rod (11), both sides equal sliding connection of connecting rod (11) in lifting machine storehouse (1) upper end and extend to in tensioning adjustment bin (2), both sides connecting rod (11) upper end is equipped with regulating plate (14), tensioning regulation storehouse (2) upper end rigid coupling has nut (16), nut (16) female connection has bolt (15), bolt (15) one end extends to tensioning regulation storehouse (2) internal rotation and sets up on regulating plate (14).

2. The tensioner as in claim 1, wherein: the elevator is characterized in that guide cylinders (12) with two sides arranged correspondingly are arranged at the upper end of the elevator bin (1), and connecting rods (11) are connected to the two sides in the guide cylinders (12) in a sliding mode.

3. The tensioner as in claim 1, wherein: the bolt (15) lower extreme is equipped with both sides lug (17) that correspond each other, be equipped with on regulating plate (14) with both sides rotatory groove (18) that lug (17) correspond.

4. The tensioner as in claim 1, wherein: and a turntable (10) is arranged at the upper end of the bolt (15).

5. The tensioner as claimed in claim 2, wherein: the lower ends of the guide cylinders (12) on the two sides are provided with rubber lantern rings (13).