CN212355402U

CN212355402U - Automatic belt tensioning device of elevator

Info

Publication number: CN212355402U
Application number: CN202020377301.7U
Authority: CN
Inventors: 顾垒; 胡超; 齐平; 李德; 孙娅静
Original assignee: Gansu Wellhope Agri Tech Co ltd
Current assignee: Gansu Wellhope Agri Tech Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-01-15
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses an automatic overspeed device tensioner of lifting machine belt, comprising a base plate, the first support frame of upper end fixedly connected with and the second support frame of bottom plate, the second support frame is higher than first support frame, the upper end of first support frame is rotated and is connected with first cylinder, the upper end of bottom plate is equipped with first cylinder complex actuating mechanism, two mounting panels of upper end fixedly connected with of second support frame, two be equipped with the second cylinder that corresponds with first cylinder between the mounting panel, be connected through the belt between first cylinder and the second cylinder, the second cylinder passes through straining device and is connected with two mounting panels, the lower extreme of bottom plate is equipped with adjustable moving mechanism. The utility model discloses, it can be when the not hard up and cheap condition of lifting machine belt, can be fast convenient adjust it through two cylinders, make artifical maintenance adjustment convenient, labour saving and time saving.

Description

Automatic belt tensioning device of elevator

Technical Field

The utility model relates to a lifting machine technical field especially relates to an automatic overspeed device tensioner of lifting machine belt.

Background

The hoist is large mechanical equipment for transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like. Broadly, elevators, overhead cranes, winches, stabilizers, cranes, hoist machines, etc. may be referred to as hoists.

But current lifting machine is after operation a period, because the effect of vibrations, the belt in the lifting machine appears becoming flexible and skew easily, leads to the unable normal work of lifting machine, needs the manual work to maintain the adjustment, but because equipment structure's reason, manual maintenance adjustment is more time-consuming and energy-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the automatic overspeed device tensioner of lifting machine belt that proposes, it can be when the not hard up and cheap condition of lifting machine belt, can be fast convenient adjust it through two cylinders, make artifical maintenance adjustment convenient, labour saving and time saving.

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

the utility model provides an automatic overspeed device tensioner of lifting machine belt, includes the bottom plate, the first support frame of upper end fixedly connected with and the second support frame of bottom plate, the second support frame is higher than first support frame, the upper end of first support frame is rotated and is connected with first cylinder, the upper end of bottom plate is equipped with first cylinder complex actuating mechanism, two mounting panels of upper end fixedly connected with of second support frame, two be equipped with the second cylinder that corresponds with first cylinder between the mounting panel, be connected through the belt between first cylinder and the second cylinder, the second cylinder passes through straining device and is connected with two mounting panels, the lower extreme of bottom plate is equipped with adjustable moving mechanism.

Preferably, the driving mechanism comprises a driving motor fixedly installed at the upper end of the bottom plate, the output end of the driving motor is fixedly connected with a worm, and the tail end of the first roller is fixedly connected with a worm wheel meshed with the worm.

Preferably, straining device is including setting up the bar slide at two mounting panel lateral walls, two all be equipped with the slider in the bar slide, the second cylinder rotates to be connected between two sliders, two the equal fixed connection base of lateral wall of mounting panel, two the equal fixed mounting of lateral wall of base has the cylinder, two the terminal difference fixed connection of cylinder is at the lateral wall of two sliders.

Preferably, the adjustable moving mechanism comprises four rollers fixedly mounted at the lower end of the bottom plate, the lower end of the bottom plate is fixedly connected with four threaded columns corresponding to the four rollers, the outer wall of the lower end of each threaded column is sleeved with an internal threaded sleeve matched with the threaded column, and the outer wall of each internal threaded sleeve is fixedly connected with a plurality of handles uniformly distributed.

Preferably, the lower ends of the four internal thread sleeves are provided with rubber pads.

Preferably, four of the rollers are universal wheels.

The utility model discloses in, its beneficial effect does:

1. the straining device who sets up, when the elasticity of needs adjustment belt, start two cylinders simultaneously, two cylinders support two sliders respectively tightly, and two sliders slide to the direction of keeping away from first cylinder respectively in two slides this moment, drive the second cylinder between two sliders simultaneously and keep away from first cylinder, can carry out the tensioning operation to the belt, when the belt takes place the skew, start one of them cylinder and can realize the skew adjustment to the belt, easy operation, labour saving and time saving.

2. The adjustable moving mechanism who sets up when needs remove whole device, promotes whole device, can remove under the effect of four gyro wheels, when removing and finishing, rotates the internal thread sleeve through the handle, and the internal thread sleeve then slides down and pushes up tight ground under the effect of screw thread post, can park whole device, and the effectual whole device of placing takes place to slide when parkking to can also adjust the levelness of whole device as required.

Drawings

Fig. 1 is a schematic structural view of an automatic belt tensioner for a hoist according to the present invention;

fig. 2 is an enlarged schematic structural view of a position a of the automatic belt tensioner of the elevator provided by the present invention;

fig. 3 is the utility model provides a B department of automatic overspeed device tensioner of lifting machine belt's enlarged structure schematic diagram.

In the figure: the device comprises a base plate 1, a first supporting frame 2, a first roller 3, a driving motor 4, a worm 5, a worm wheel 6, a second supporting frame 7, an installation plate 8, a second roller 9, a belt 10, a strip-shaped slideway 11, a sliding block 12, a base 13, a cylinder 14, a roller 15, a threaded column 16, an internal threaded sleeve 17, a handle 18 and a rubber pad 19.

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.

Referring to fig. 1-3, an automatic belt tensioning device for a hoister, comprising a base plate 1, wherein a first support frame 2 and a second support frame 7 are fixedly connected to the upper end of the base plate 1, the second support frame 7 is higher than the first support frame 2, a first roller 3 is rotatably connected to the upper end of the first support frame 2, a driving mechanism matched with the first roller is arranged at the upper end of the base plate 1, the driving mechanism comprises a driving motor 4 fixedly installed at the upper end of the base plate 1, a worm 5 is fixedly connected to the output end of the driving motor 4, a worm wheel 6 meshed with the worm 5 is fixedly connected to the tail end of the first roller 3, the worm 5 is driven by the driving motor 4, the worm wheel 6 drives the worm wheel 6, the worm wheel 6 drives the first roller 3.

The upper end of the second supporting frame 7 is fixedly connected with two mounting plates 8, a second roller 9 corresponding to the first roller 3 is arranged between the two mounting plates 8, the first roller 3 is connected with the second roller 9 through a belt 10, the second roller 9 is connected with the two mounting plates 8 through a tensioning mechanism, the tensioning mechanism comprises strip-shaped slideways 11 arranged on the side walls of the two mounting plates 8, sliders 12 are arranged in the two strip-shaped slideways 11, the second roller 9 is rotatably connected between the two sliders 12, the outer side walls of the two mounting plates 8 are fixedly connected with bases 13, air cylinders 14 are fixedly arranged on the side walls of the two bases 13, the tail ends of the two air cylinders 14 are respectively and fixedly connected with the side walls of the two sliders 12, when the tightness degree of the belt needs to be adjusted, the two air cylinders 14 are simultaneously started, the two air cylinders 14 respectively abut against the two sliders 12, at the moment, the two sliders 12 respectively slide in the two slideways 11 in, drive the second cylinder 9 between two sliders 12 simultaneously and keep away from first cylinder 3, can carry out the tensioning operation to belt 10, when belt 10 takes place the skew, start one of them cylinder 14 and can realize the skew adjustment to belt 10, easy operation, labour saving and time saving.

The lower end of the bottom plate 1 is provided with an adjustable moving mechanism, the adjustable moving mechanism comprises four idler wheels 15 fixedly installed at the lower end of the bottom plate 1, the four idler wheels 15 are universal wheels and are convenient to turn, the lower end of the bottom plate 1 is fixedly connected with four threaded columns 16 corresponding to the four idler wheels 15, the outer walls of the lower ends of the four threaded columns 16 are all sleeved with internal threaded sleeves 17 matched with the four threaded columns, the outer walls of the four internal threaded sleeves 17 are all fixedly connected with a plurality of handles 18 which are uniformly distributed, rubber pads 19 are arranged at the lower ends of the four internal threaded sleeves 17, when the whole device needs to be moved, the whole device is pushed to move under the action of the four idler wheels 15, when the movement is finished, the internal threaded sleeves 17 are rotated through the handles 18, the internal threaded sleeves 17 slide downwards under the action of the threaded columns 16 and tightly support the ground, the whole device can be parked, and the levelness of the whole device can be adjusted according to requirements.

In the utility model, when the tightness of the belt needs to be adjusted, two cylinders 14 are started simultaneously, two sliders 12 are respectively supported tightly by the two cylinders 14, at the moment, the two sliders 12 respectively slide in two slideways 11 in the direction far away from the first roller 3, and the second roller 9 between the two sliders 12 is driven to be far away from the first roller 3, so that the belt 10 can be tensioned, when the belt 10 deviates, the deviation adjustment of the belt 10 can be realized by starting one of the cylinders 14, the operation is simple, time and labor are saved, when the whole device needs to be moved, the whole device is pushed, namely, the device can be moved under the action of four rollers 15, when the movement is finished, the internal thread sleeve 17 is rotated through the handle 18, the internal thread sleeve 17 slides downwards under the action of the thread column 16 and is tightly propped against the ground, the whole device can be parked, the whole device is effectively placed to slide when parked, and the levelness of the whole device can be adjusted according to requirements.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic belt tensioning device of a hoist comprises a bottom plate (1) and is characterized in that, the upper end of the bottom plate (1) is fixedly connected with a first supporting frame (2) and a second supporting frame (7), the second supporting frame (7) is higher than the first supporting frame (2), the upper end of the first supporting frame (2) is rotatably connected with a first roller (3), a driving mechanism matched with the first roller is arranged at the upper end of the bottom plate (1), two mounting plates (8) are fixedly connected at the upper end of the second supporting frame (7), a second roller (9) corresponding to the first roller (3) is arranged between the two mounting plates (8), the first roller (3) is connected with the second roller (9) through a belt (10), the second roller (9) is connected with the two mounting plates (8) through a tensioning mechanism, and the lower end of the bottom plate (1) is provided with an adjustable moving mechanism.

2. The automatic belt tensioning device of the elevator as claimed in claim 1, characterized in that the driving mechanism comprises a driving motor (4) fixedly mounted on the upper end of the bottom plate (1), the output end of the driving motor (4) is fixedly connected with a worm (5), and the end of the first roller (3) is fixedly connected with a worm wheel (6) engaged with the worm (5).

3. The automatic belt tensioning device for the elevator as claimed in claim 1, wherein the tensioning mechanism comprises strip-shaped slideways (11) arranged on the side walls of the two mounting plates (8), two sliding blocks (12) are arranged in each strip-shaped slideway (11), the second roller (9) is rotatably connected between the two sliding blocks (12), the outer side walls of the two mounting plates (8) are fixedly connected with bases (13), the side walls of the two bases (13) are fixedly provided with air cylinders (14), and the tail ends of the two air cylinders (14) are respectively and fixedly connected with the side walls of the two sliding blocks (12).

4. The automatic belt tensioning device for the hoisting machine as claimed in claim 1, wherein the adjustable moving mechanism comprises four rollers (15) fixedly mounted at the lower end of the base plate (1), the lower end of the base plate (1) is fixedly connected with four threaded columns (16) corresponding to the four rollers (15), the outer walls of the lower ends of the four threaded columns (16) are all sleeved with an internal threaded sleeve (17) matched with the four threaded columns, and the outer walls of the four internal threaded sleeves (17) are all fixedly connected with a plurality of uniformly distributed handles (18).

5. The automatic belt tensioner as claimed in claim 4, characterized in that the four said internally threaded sleeves (17) are provided with rubber pads (19) at their lower ends.

6. The automatic belt tensioner as claimed in claim 4, characterized in that four of said rollers (15) are universal wheels.