CN219970887U - Tensioning device for conveyor belt - Google Patents

Abstract

The utility model discloses a tensioning device for a conveyor belt, which comprises a base, two support plates which are arranged on the upper surface of the base and are symmetrical in pairs, a conveyor roller which is transversely arranged between the support plates, and a conveyor belt body which is arranged on the conveyor roller.

Description

Tensioning device for conveyor belt

Technical Field

The utility model relates to the technical field of tensioning devices, in particular to a tensioning device for a conveyor belt.

Background

The transmission belt is a transmission medium in a transmission belt system, the transmission belt system belongs to one of the transmission systems, the transmission belt is arranged on the transmission belt system, the pulley rotates to drive the transmission belt to travel, the transmission belt transmits power through friction, after the transmission belt is used for a long time, the transmission belt can deform and become loose, the friction between the transmission belt and the belt wheel becomes small, and therefore the transmission belt and the belt wheel are asynchronous in movement, idle running of the belt wheel and the like during transportation, the transportation effect is not ideal, and therefore the tension of the transmission belt needs to be adjusted to obtain proper friction;

the utility model discloses a tensioning device for a concrete conveying belt, which belongs to the technical field of concrete production equipment and comprises a conveying belt and a support frame, wherein a first rotating roller is arranged in the middle of the bottom end of the conveying belt, a second rotating roller is arranged on one side of the first rotating roller, and the first rotating roller and the second rotating roller are both connected to the support frame in a rotating way; the tensioning roller is arranged below the middle position of the first rotating roller and the second rotating roller, a fixing plate is fixedly connected to the side face of the supporting frame, a long-strip hole is formed in the fixing plate, supporting blocks are arranged in the long-strip hole, two ends of the tensioning roller are rotationally connected with the supporting blocks, and a driving assembly for driving the supporting blocks to move up and down is arranged on one side, away from the tensioning roller, of the fixing plate. The device has the effect of tensioning the conveyor belt, when the conveyor belt is tensioned by the practical weight box, the balancing weight is placed in the weight box, the tensioning roller is driven to move downwards by gravity, so that the conveyor belt is tensioned, the movable friction force is exerted, the conveyor belt bears the gravity of materials to be conveyed, and meanwhile, the gravity of the weight box is additionally added to the downward tension of the conveyor belt, so that the transportation load of the conveyor belt is increased, the energy consumption is increased, the weight pieces in the weight box are required to be manually installed, and the labor capacity of workers is increased.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the tensioning device for the conveyor belt, which is characterized in that the driving motor is designed to rotate to drive the threaded rod to rotate and rotationally engage with the movable frame, so that the movable frame moves downwards, the angle between the connecting plates is increased when the movable frame moves downwards, the supporting plates are pushed to be separated from each other, the distance between the conveying rollers is increased, the conveyor belt is tensioned, the friction force between the conveying rollers is increased, the conveyor belt is enabled to obtain proper tensioning force without increasing extra load of the conveyor belt, mechanical control is realized, manual adjustment is not needed, and the work load of workers is reduced.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a overspeed device tensioner for conveyer belt, includes the base, sets up in the backup pad of base upper surface pairwise symmetry, transversely sets up in the transfer roller between the backup pad, sets up the conveyer belt body on the transfer roller, the backup pad bottom is fixed to be provided with the slider, two spouts have been seted up to the base upper surface, slider activity card is established in the spout, the backup pad outside is provided with the cross axle, cross axle and connecting plate bottom swing joint, connecting plate upper end swing joint has the removal frame, it wears to be equipped with the threaded rod longitudinally on the removal frame.

As a preferable technical scheme of the utility model, rectangular grooves are formed in the front side surface and the rear side surface of the movable frame, and connecting shafts are transversely arranged in the rectangular grooves.

As a preferable technical scheme of the utility model, the threaded rod extends downwards to penetrate through the base panel, and the bottom end of the threaded rod is provided with a driving motor.

As a preferable technical scheme of the utility model, two symmetrical bearings are embedded in the base plate body, and the interior of the bearing is fixedly connected with the threaded rod wall.

As a preferable technical scheme of the utility model, the support legs are arranged below the base.

As a preferable technical scheme of the utility model, the four support plates and the four connecting plates are respectively arranged, the number of the movable frames is two, and each movable frame is movably connected with two connecting plates.

Compared with the prior art, the utility model has the following beneficial effects:

through having designed driving motor rotation drive threaded rod rotation and moving frame and close soon to make the moving frame move down, the angle between the connecting plate increases when moving the frame and move down, promotes backup pad mutual separation, increases the distance between the conveying roller, makes the conveyer belt tight, increases the frictional force with the conveying roller, makes the conveyer belt obtain suitable tensioning force when not increasing the extra heavy burden of conveyer belt, mechanical control need not manual adjustment, alleviates workman work burden.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model shown in FIG. 1 at a partially enlarged scale;

wherein: 1. a base; 2. a support plate; 3. a conveying roller; 4. a horizontal axis; 5. a connecting plate; 6. a moving rack; 7. rectangular grooves; 8. a connecting shaft; 9. a bearing; 10. a driving motor; 11. a support leg; 12. a conveyor belt body; 13. a slide block; 14. a chute; 15. a threaded rod.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Examples

Referring to fig. 1, the present utility model provides a tensioner for a conveyor belt, comprising a base 1, wherein the base 1 is integrally formed as a rectangular plate, two support plates 2 are symmetrically disposed on the upper surface of the base 1, the support plates 2 are longitudinally disposed on the upper surface of the base 1, a conveyor roller 3 is transversely disposed between the support plates 2, a conveyor belt body 12 is disposed on the conveyor roller 3, and four support legs 11 for supporting the whole conveyor belt are disposed below the base 1;

when the device is used, the driving device is connected to the conveying roller 3, the device is placed on a proper working place, the supporting legs 11 are in stable contact with the ground, the overall stability of the device is guaranteed, the driving device is opened, the driving device drives the conveying roller 3 to rotate, so that the conveying belt body 12 on the conveying roller 3 is driven to convey, and materials to be conveyed are placed on the conveying belt body 12 to be conveyed;

as shown in fig. 1-4, a sliding block 14 is fixedly arranged at the bottom of a supporting plate 2, two sliding grooves 13 are formed in the upper surface of a base 1, the sliding block 14 is movably clamped in the sliding grooves 13, the sliding block 14 can slide in the sliding grooves 13, a transverse shaft 4 is arranged on the outer side of the supporting plate 2, the transverse shaft 4 is movably connected with the bottom of a connecting plate 5, round holes are formed in the upper end and the lower end of the connecting plate 5, the round holes are respectively and movably connected with the transverse shaft 4 and a connecting shaft 8, the connecting plate 5 can rotate along the transverse shaft 4, four moving frames 6 are respectively arranged in the supporting plate 2 and the connecting plate 5, two connecting plates 5 are movably connected to each moving frame 6, the upper end of each connecting plate 5 is movably connected with the moving frame 6, a rectangular groove 7 is formed in the front side surface and the rear side surface of each moving frame 6, a connecting shaft 8 is transversely arranged in each rectangular groove 7, the connecting plate 5 can rotate on the connecting shaft 8, a threaded rod 15 longitudinally penetrates through the threaded rod 15, the threaded rod 15 downwards extends through a panel of the base 1, a driving motor 10 is arranged at the bottom end of the threaded rod 15, two symmetrical bearings 9 are embedded in the plate body of the base 1, the threaded rod is fixedly connected with the wall of the threaded rod 15, and the threaded rod is fixedly connected with the threaded rod 10 when the driving motor 10 drives the driving motor 10, and the position of the threaded rod 10 does not change when the driving motor 10 rotates;

when the tension of the conveyor belt body 12 needs to be regulated, the driving motor 10 is turned on, the threaded rod 15 is driven to rotate through the rotation of the driving motor 10, the threaded rod 15 rotates to be screwed with the movable frame 6, so that the movable frame 6 moves downwards, when the movable frame 6 moves downwards, the connecting plates 5 rotate anticlockwise on the connecting shafts 8 and the transverse shafts 4, the angle between the connecting plates 5 is increased, the distance between the bottom ends of the connecting plates 5 is increased, the supporting plates 2 are pushed to be separated from each other, the sliding directions of the sliding blocks 14 in the sliding grooves 13 are opposite, the distance between the conveyor rollers 3 is increased, the conveyor belt body 12 is tightly stretched, the friction force between the conveyor belt body and the conveyor rollers 3 is increased, and proper tension is obtained;

the specific working principle is as follows:

when the device is used, the driving device is connected to the conveying roller 3, the device is placed on a proper working place, the supporting legs 11 are enabled to be in contact with the ground, the overall stability of the device is guaranteed, the driving device is opened, the driving device drives the conveying roller 3 to rotate, so that the conveying belt body 12 on the conveying roller 3 is driven to be conveyed, materials to be conveyed are placed on the conveying belt body 12, the conveying belt body 12 can be conveyed, when the tensioning force of the conveying belt body 12 is required to be regulated, the driving motor 10 is turned on, the threaded rod 15 is driven to rotate through the driving motor 10, the threaded rod 15 rotates to be screwed with the movable frame 6, so that the movable frame 6 moves downwards, when the movable frame 6 moves downwards, the connecting plate 5 rotates anticlockwise on the connecting shaft 8 and the transverse shaft 4, the distance between the connecting plate 5 is increased, the bottom ends of the connecting plate 5 are pushed to be separated from each other, the sliding blocks 14 slide in opposite directions in the sliding grooves 13, the distance between the conveying rollers 3 is increased, the conveying belt body 12 is tensioned, and the friction force between the conveying belt body and the conveying roller 3 is increased, and proper tensioning force is obtained.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a overspeed device tensioner for conveyer belt, includes base (1), sets up in backup pad (2) of base (1) upper surface pairwise symmetry, transversely sets up transfer roller (3) between backup pad (2), sets up conveyer belt body (12) on transfer roller (3), its characterized in that: the utility model discloses a movable support for a mobile device, including backup pad (2), slider (14) are fixedly provided with in bottom, two spouts (13) have been seted up to base (1) upper surface, slider (14) activity card is established in spout (13), the backup pad (2) outside is provided with cross axle (4), cross axle (4) and connecting plate (5) bottom swing joint, connecting plate (5) upper end swing joint has movable frame (6), vertically worn threaded rod (15) on movable frame (6).

2. A tensioner for conveyor belts as in claim 1 wherein: rectangular grooves (7) are formed in the front side surface and the rear side surface of the movable frame (6), and connecting shafts (8) are transversely arranged in the rectangular grooves (7).

3. A tensioner for conveyor belts as in claim 1 wherein: the threaded rod (15) downwards extends to penetrate through the panel of the base (1), and the driving motor (10) is installed at the bottom end of the threaded rod (15).

4. A tensioner for conveyor belts as in claim 1 wherein: two symmetrical bearings (9) are embedded in the plate body of the base (1), and the inside of each bearing (9) is fixedly connected with the rod wall of the threaded rod (15).

5. A tensioner for conveyor belts as in claim 1 wherein: the support legs (11) are arranged below the base (1).

6. A tensioner for conveyor belts as in claim 1 wherein: four support plates (2) and four connecting plates (5) are respectively arranged, two movable frames (6) are shared, and two connecting plates (5) are movably connected to each movable frame (6).