CN221050723U - Belt pulley tensioning mechanism convenient to adjust - Google Patents

Abstract

The utility model relates to the technical field of belt pulleys and discloses a belt pulley tensioning mechanism convenient to adjust, which comprises a mounting frame body, wherein two ends of the mounting frame body are respectively rotatably provided with a driving roller and a driven roller, the driving roller is connected with a driving motor, the driving roller and the driven roller are jointly provided with a conveying belt, the mounting frame body is provided with an adjusting device and a cleaning device, the adjusting device is arranged below the conveying belt and can be in contact with the conveying belt, the device solves the problem that the adjusting device limited by a ratchet wheel cannot realize bidirectional transportation, the adjusting device is inconvenient to clean when changing the moving direction of the conveying belt, the height of the adjusting roller is controlled by an electric push rod, and the contact cleaning of the cleaning device and the conveying belt is maintained by forced steering, so that the flexibility and the cleaning performance of the conveying mechanism are ensured.

Description

Belt pulley tensioning mechanism convenient to adjust

Technical Field

The utility model relates to the technical field of belt pulleys, in particular to a belt pulley tensioning mechanism convenient to adjust.

Background

The conveyer belt is a rubber, fiber and metal composite product for carrying and transporting materials in the belt conveyer belt. The conveyer belt can carry out continuous, high-efficiency and large-inclination transportation, has low engineering cost and is widely applied to the transportation of various solid block-shaped and powder-shaped materials or finished articles in agriculture, industrial and mining enterprises and transportation industry.

The Chinese patent application number 202223382750.9 discloses a belt conveyor with a belt tensioning and adjusting function, an elliptical roller is arranged between conveying belts, a roller shaft on the elliptical roller is in rolling connection with the conveying belts, the elliptical roller is driven to rotate through a ratchet wheel, so that the distance from the conveying belt to the center of the elliptical roller shaft is changed, the tensioning force of the conveying belts is adjusted, but the ratchet wheel can only realize unidirectional rotation limiting, the conveying belts can only carry out unidirectional transmission, the problem of the conveying direction is required to be considered during installation, and after an adjusting mechanism is arranged, the moving plane at the bottom of the conveying belts is changed, and the cleaning of the conveying belts is inconvenient.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide the belt pulley tensioning mechanism which is convenient to clean and can realize bidirectional transmission and is convenient to adjust.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a belt pulley straining device convenient to adjust, includes the dress support body, drive roll and driven voller are installed in the rotation respectively at the both ends of the mounting support body, be connected with driving motor on the drive roll, install the conveyer belt jointly on drive roll and the driven voller, install adjusting device and cleaning device on the mounting support body, adjusting device sets up in the conveyer belt below to can contact with the conveyer belt.

The utility model is further provided with: the adjusting device comprises two electric push rods, the electric push rods are fixed on a mounting frame body, an output shaft of each electric push rod points to the conveying belt and is connected with a mounting block, two mounting blocks are fixedly connected with a positioning shaft, an adjusting roller is rotatably connected to the positioning shaft, and the adjusting roller and a driven roller are arranged along the same direction and can be attached to the lower surface of the conveying belt.

The utility model is further provided with: two limiting blocks are respectively arranged at two ends of the mounting frame body, and the mounting block is in sliding connection with the two limiting blocks at the corresponding sides.

The utility model is further provided with: a plurality of bearings are arranged between the positioning shaft and the regulating roller.

The utility model is further provided with: the cleaning device comprises a turning roller and a brush, the turning roller is rotatably arranged on the mounting frame body, the lowest point of the turning roller and the lowest point of the driving roller are on the same horizontal plane, the turning roller is attached to the inner surface of the lower section of the conveying belt, and the brush is correspondingly arranged on the other side of the conveying belt and attached to the conveying belt.

The utility model has the advantages that:

1. The adjusting device is arranged below the conveying belt, the positioning shaft is pushed upwards by the electric push rods at the two ends, so that the adjusting roller pushes the conveying belt to be inwards sunken, the tensioning force of the conveying belt is changed, an additional reserved adjusting space is not needed, the compactness of the whole structure of the conveying mechanism is facilitated, the adjusting roller is a cylindrical roller, the conveying belt can be conveyed in two directions without affecting the stability of the tensioning force of the conveying mechanism, and the conveying mechanism is convenient to flexibly set;

2. The cleaning device presses the conveying belt down to a preset plane through the steering roller arranged between the conveying belts and maintains running in the preset plane, so that the brush arranged below the conveying belt can always be in contact with the conveying belt, the situation that the brush is separated from the surface of the conveying belt and cannot be cleaned, or the conveying belt is pressed towards the direction of the brush to influence the normal running of the conveying belt is avoided, and the instant cleaning effect is ensured.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is an enlarged view of portion C of FIG. 1;

In the figure: 1. a mounting frame body; 11. a limiting block; 2. a drive roll; 3. driven roller; 4. a conveyor belt; 5. a driving motor; 6. an adjusting device; 61. an electric push rod; 62. a mounting block; 63. positioning a shaft; 64. a bearing; 65. an adjusting roller; 7. a cleaning device; 71. a steering roller; 72. a brush.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions:

The utility model provides a belt pulley tensioning mechanism convenient to adjust, includes mounting bracket body 1, and the both ends of mounting bracket body 1 are rotated respectively and are installed driving roll 2 and driven voller 3, are connected with driving motor 5 on the driving roll 2, are installed conveyer belt 4 jointly on driving roll 2 and the driven voller 3, are installed adjusting device 6 and cleaning device 7 on the mounting bracket body 1, and adjusting device 6 sets up below conveyer belt 4, and can contact with conveyer belt 4; the conveyer belt 4 moves around the driving roller 2, the driven roller 3, the adjusting device 6 and the cleaning device 7 in sequence, the adjusting device 6 realizes the adjustment of the tensioning force by controlling the upward, namely inward concave degree of the conveyer belt 4, and the cleaning device 7 can always be in contact with the conveyer belt 4, so that the cleaning effect is ensured.

The adjusting device 6 comprises two electric push rods 61, the electric push rods 61 are fixed on the mounting frame body 1, the output shafts of the electric push rods 61 point to the conveying belt 4 and are connected with mounting blocks 62, the two mounting blocks 62 are fixedly connected with positioning shafts 63 together, adjusting rollers 65 are rotatably connected to the positioning shafts 63, a plurality of bearings 64 are arranged between the positioning shafts 63 and the adjusting rollers 65, and the adjusting rollers 65 and the driven rollers 3 are arranged along the same direction and can be attached to the lower surface of the conveying belt 4; the control electric push rod 61 can drive the regulating roller 65 to move longitudinally, so that the concave degree of the conveying belt 4 is changed, the tension is adjusted, the regulating roller 65 is a cylindrical roller, the conveying belt 4 can realize forward rotation or reverse rotation on the cylindrical roller without changing the tension, and the overall flexibility of the conveying mechanism is improved;

Two limiting blocks 11 are respectively arranged at two ends of the mounting frame body 1, the mounting block 62 is in sliding connection with the two limiting blocks 11 on the corresponding side, limiting of the mounting block 62 is enhanced, and the mounting block 62 is prevented from shifting under pushing of the conveying belt 4 to damage the electric push rod 61 during long-term operation.

The cleaning device 7 comprises a turning roller 71 and a brush 72, wherein the turning roller 71 is rotatably arranged on the mounting frame body 1, the lowest point of the turning roller 71 and the lowest point of the driving roller 2 are on the same horizontal plane, the turning roller 71 is attached to the inner surface of the lower section of the conveyer belt 4, and the brush 72 is correspondingly arranged on the other side of the conveyer belt 4 and attached to the conveyer belt 4; forced steering is achieved by the steering roller 71 so that the conveyor belt 4 is maintained to move in a fixed plane after passing the steering roller 71, thereby ensuring that the brush 72 is always in contact with the conveyor belt 4 and does not press tightly the conveyor belt 4, and cleaning of the belt surface is achieved without affecting the movement of the conveyor belt 4.

Specifically, the adjusting device 6 is arranged below the conveying belt 4, and the positioning shaft 63 is pushed upwards by the electric push rods 61 at two ends, so that the adjusting roller 65 pushes the conveying belt 4 to be inwards sunken, the tensioning force of the conveying belt 4 is changed, no additional reserved adjusting space is needed, the compactness of the whole structure of the conveying mechanism is facilitated, the conveying belt 4 can be conveyed in two directions without affecting the stability of the tensioning force of the conveying mechanism, and the flexible setting of the conveying mechanism is facilitated;

the cleaning device 7 presses the conveyer belt 4 down to a preset plane through the steering rollers 71 arranged between the conveyer belts 4 and maintains running in the preset plane, so that the hairbrushes 72 arranged below the conveyer belt 4 can always contact with the conveyer belt 4, the situation that the hairbrushes 72 are separated from the surface of the conveyer belt 4 and cannot be cleaned, or the conveyer belt 4 is pressed towards the hairbrushes 72 to influence the normal running of the conveyer belt 4 is avoided, and the instant cleaning effect is ensured.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar orientations and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. Pulley straining device convenient to adjust, including the mounting bracket body (1), its characterized in that: the automatic cleaning device is characterized in that a driving roller (2) and a driven roller (3) are rotatably mounted at two ends of the mounting frame body (1) respectively, a driving motor (5) is connected to the driving roller (2), a conveying belt (4) is mounted on the driving roller (2) and the driven roller (3) together, an adjusting device (6) and a cleaning device (7) are mounted on the mounting frame body (1), and the adjusting device (6) is arranged below the conveying belt (4) and can be in contact with the conveying belt (4).

2. A pulley tensioning mechanism for facilitating adjustment as defined in claim 1, wherein: the adjusting device (6) comprises two electric push rods (61), the electric push rods (61) are fixed on the mounting frame body (1), output shafts of the electric push rods (61) are directed to the conveying belt (4) and are connected with mounting blocks (62), two mounting blocks (62) are fixedly connected with positioning shafts (63) together, adjusting rollers (65) are rotatably connected onto the positioning shafts (63), and the adjusting rollers (65) and the driven rollers (3) are arranged along the same direction and can be attached to the lower surface of the conveying belt (4).

3. A pulley tensioning mechanism for facilitating adjustment as defined in claim 2, wherein: two limiting blocks (11) are respectively arranged at two ends of the mounting frame body (1), and the mounting block (62) is in sliding connection with the two limiting blocks (11) at the corresponding side.

4. A pulley tensioning mechanism for facilitating adjustment as defined in claim 2, wherein: a plurality of bearings (64) are arranged between the positioning shaft (63) and the regulating roller (65).

5. A pulley tensioning mechanism for facilitating adjustment as defined in claim 1, wherein: the cleaning device (7) comprises a steering roller (71) and a brush (72), the steering roller (71) is rotatably arranged on the mounting frame body (1), the lowest point of the steering roller (71) and the lowest point of the driving roller (2) are on the same horizontal plane, the steering roller (71) is attached to the inner surface of the lower section of the conveying belt (4), and the brush (72) is correspondingly arranged on the other side of the conveying belt (4) and attached to the conveying belt (4).