CN219035477U - Conveying platform with belt pulley pre-tightening device - Google Patents

Abstract

The utility model relates to the technical field of conveying platforms, in particular to a conveying platform with a belt wheel pre-tightening device, which comprises a platform support, wherein two rotating holes are formed in one side of the platform support, a first transmission shaft and a second transmission shaft are respectively inserted into the two rotating holes, one side of the outer surfaces of the two first transmission shafts and one side of the outer surfaces of the two second transmission shafts are fixedly connected with a rotating roller, a plurality of weight reducing holes are formed in one side of the two rotating rollers, and a conveying belt is lapped on the outer surfaces of the two rotating rollers. The utility model has the advantages that: the tension spring is used for applying a tensile force to the belt wheel support frame, so that the belt wheel support frame slides in the sliding groove, and the tension belt wheel is driven to tension the transmission belt, so that the belt transmission device is in a tension state at any time, the time required for equipment shutdown maintenance due to the loosening of the transmission belt is reduced, and the production efficiency of equipment is improved.

Description

Conveying platform with belt pulley pre-tightening device

Technical Field

The utility model relates to the technical field of conveying platforms, in particular to a conveying platform with a belt wheel pre-tightening device.

Background

After the existing conveying platform runs for a period of time, the transmission belt of the conveying platform is easy to loosen due to long-term high-load running, the transmission power efficiency of the transmission mechanism is reduced due to the loosened transmission belt, equipment is easy to cause to stop running due to the loosened transmission belt, a large amount of manpower and time are consumed during equipment maintenance, and the production capacity of the equipment is reduced.

In order to solve the problem, the utility model provides a conveying platform with a belt wheel pre-tightening device.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a conveying platform with a belt pulley pre-tightening device, so as to solve the problems mentioned in the background art and overcome the defects in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a conveying platform with a belt wheel pre-tightening device, which includes a platform support, two rotation holes are provided on one side of the platform support, a first transmission shaft and a second transmission shaft are respectively inserted into the two rotation holes, one side of the outer surfaces of the two first transmission shafts and one side of the outer surfaces of the second transmission shaft are fixedly connected with a rotation roller, a plurality of weight reducing holes are provided on one side of the two rotation rollers, a conveyor belt is lapped on the outer surfaces of the two rotation rollers, the two rotation rollers are rotatably connected through the conveyor belt, a belt transmission device is provided on one side of the platform support, and a belt tensioning device is provided on one side of the platform support.

It is preferable in any of the above aspects that the belt transmission device includes a driving motor, a transmission belt, a driving pulley, a driven pulley, and a tension pulley.

By the above-mentioned scheme preferred, the bottom fixedly connected with motor support of driving motor, driving motor's output end is terminal to be connected with one side fixed connection of driving pulley, driven pulley and tensioning pulley pass through drive belt and rotate and connect.

The technical effect achieved by adopting the scheme is as follows: through the cooperation setting of driving belt and each band pulley for driving motor can be with power transmission to rotating platform, drives the conveyer belt and carries out work.

By the above-mentioned scheme preferred, belt tensioner includes support frame and band pulley support frame, one side fixedly connected with of support frame two slip backup pads, two the inside of slip backup pad has all seted up a sliding tray.

The technical effect achieved by adopting the scheme is as follows: through the cooperation setting of support frame and band pulley support frame for tensioning band pulley can carry out the displacement in the horizontal direction, drives the belt and tensioning, realizes the pretension to the band pulley.

By any of the above schemes, preferably, one side of the supporting frame is fixedly connected with an extension spring, one side of the extension spring is fixedly connected with the outer surface of the pulley supporting frame, and the extension spring is located between the two sliding supporting plates.

The technical effect achieved by adopting the scheme is as follows: the tension is applied to the belt pulley support frame through the tension spring which is stretched and tensioned in advance, and the transmission belt is driven to be tensioned, so that the belt tensioning device can achieve the pretensioning capability of the belt pulley.

By any of the above schemes, preferably, a pulley support shaft is fixedly connected to the inside of the pulley support frame, and the inside of the tensioning pulley is rotatably connected to the outer surface of the pulley support shaft.

By the above-mentioned scheme preferred, the surface fixed connection of band pulley support frame has two sliding blocks, two the size of sliding block all with the size looks adaptation of sliding tray, two the surface of sliding block is sliding connection respectively in the inside of corresponding two sliding tray.

The technical effect achieved by adopting the scheme is as follows: through mutually supporting of the sliding block and the sliding groove of mutually supporting for the band pulley support frame has carried out the spacing to it again when can carrying out the slip, makes the band pulley support frame only can carry out the displacement in the horizontal direction.

By any of the above schemes, it is preferable that the diameters of the first transmission shaft and the second transmission shaft are the same, the length of the first transmission shaft is longer than that of the second transmission shaft, and one side of the first transmission shaft is fixedly connected to the inside of the driven belt wheel.

The technical effect achieved by adopting the scheme is as follows: through the cooperation setting of first transmission shaft and driven pulley for the conveyer belt can normally move, drives article and carries out the transmission, and the design of longer first transmission shaft makes there is certain interval between belt drive device and the platform support, has made things convenient for belt tensioning device's installation.

The embodiment of the other aspect of the utility model provides a conveying platform with a belt wheel pre-tightening device, wherein a motor support is fixedly connected to the bottom of a driving motor, a lifting platform is arranged at the bottom of the motor support, the belt tensioning device comprises a support frame and a belt wheel support frame, one side of the support frame is fixedly connected with a tension spring, one side of the tension spring is fixedly connected to the outer surface of the belt wheel support frame, one side of the support frame is fixedly connected with an extension rod, the top of the extension rod is fixedly connected with a distance sensor, one side of the belt wheel support frame is provided with an extension hole, the diameter of the extension hole is larger than that of the extension rod, and the position of the extension hole corresponds to that of the extension rod.

The technical effect achieved by adopting the scheme is as follows: through the cooperation setting of backing out pole and distance sensor, respond to the tensioning band pulley that is stretched, rethread elevating platform drives driving motor downward movement when sensing the arrival of driven band pulley, drives driven band pulley and keeps away from distance sensor when driving the belt tensioning.

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

the tension spring arranged on one side of the support frame is used for applying an outward tension to the belt wheel support frame, so that the belt wheel support frame slides in the sliding groove, the tension belt wheel is driven to tension the transmission belt, the belt wheel is pre-tensioned, the belt transmission device is in a tensioning state at any time, the time required for equipment shutdown maintenance caused by loosening of the transmission belt is reduced, and the production efficiency of the equipment is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic elevational view in cross-section of an overall structure according to an embodiment of the utility model;

FIG. 3 is a schematic side cross-sectional view of an overall structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a pulley support frame according to an embodiment of the present utility model;

fig. 5 is a schematic overall structure of another embodiment according to the present utility model.

In the figure: the device comprises a 1-platform bracket, a 2-rotating hole, a 3-first transmission shaft, a 4-second transmission shaft, a 5-rotating roller, a 6-transmission belt, a 7-transmission device, a 71-driving motor, a 72-transmission belt, a 73-driving belt pulley, a 74-driven belt pulley, a 75-tensioning belt pulley, an 8-belt tensioning device, a 81-supporting frame, a 82-sliding supporting plate, a 83-sliding groove, a 84-stretching spring, a 85-protruding rod, a 86-distance sensor, a 87-protruding hole, a 9-belt pulley supporting frame, a 91-belt pulley supporting shaft and a 92-sliding block.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached on one side, detachably attached, or integrally attached; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one: as shown in fig. 1 to 4, a conveyor platform with a wheeled pretensioner, comprising: including the platform support 1, the height of platform support 1 is greater than the height of support frame 81, make support frame 81 can set up in the below of platform support 1 and can not hinder the operation to equipment, the area of device has been reduced, two rotation holes 2 have been seted up to one side of platform support 1, the inside of two rotation holes 2 has pegged graft respectively first transmission shaft 3 and second transmission shaft 4, two first transmission shaft 3 and second transmission shaft 4 all are provided with corresponding bearing with rotation hole 2 junction, make the rotation of conveyer belt more light, the production efficiency of equipment has been improved, one side of two first transmission shaft 3 and second transmission shaft 4 surface all fixedly connected with one rotation roller 5, a plurality of lightening holes have all been opened to one side of two rotation rollers 5, the existence of lightening the lightening hole has alleviateed the self weight of rotation roller 5, make rotation roller 5 more easily be driven, the surface overlap joint of two rotation rollers 5 has a conveyer belt 6, two rotation rollers 5 are provided with belt drive device 7 through conveyer belt 6 rotation connection through conveyer belt 6, one side of platform support 1 is provided with belt tensioning device 8.

The belt transmission device 7 comprises a driving motor 71, a driving belt 72, a driving belt pulley 73, a driven belt pulley 74 and a tensioning belt pulley 75, wherein the tail end of the output end of the driving motor 71 is fixedly connected with one side of the driving belt pulley 73, the driven belt pulley 74 and the tensioning belt pulley 75 are rotatably connected through the driving belt pulley 72, when the driving motor 71 is opened to work, the driving belt pulley 73 is driven to rotate, the driving belt 72 attached to the driving belt pulley drives the driven belt pulley 74 to rotate, one cycle is completed after the tensioning belt pulley 75 is tensioned, the rotating driven belt pulley 74 drives the first transmission shaft 3 to start rotating, the rotating roller 5 and the transmission belt 6 are driven to rotate, and the conveying platform is driven to rotate, so that the driving motor 71 can transmit power to the rotating platform to drive the transmission belt 6 to work.

The belt tensioning device 8 comprises a supporting frame 81 and a belt pulley supporting frame 9, two sliding supporting plates 82 are fixedly connected to one side of the supporting frame 81, a sliding groove 83 is formed in the two sliding supporting plates 82, the belt pulley supporting frame 9 horizontally moves in the sliding groove 83 through sliding blocks 92 connected to two sides, the tensioning belt pulley 75 is driven to move in the horizontal direction, the driving belt 72 bypassing the tensioning belt pulley 75 is driven to move, the tensioning belt pulley 75 can move in the horizontal direction, the belt is driven to be tensioned by pre-tightening of the belt pulley, and pre-tightening of the belt pulley is achieved.

One side of the supporting frame 81 is fixedly connected with a tension spring 84, one side of the tension spring 84 is fixedly connected to the outer surface of the belt pulley supporting frame 9, the tension spring 84 is located between the two sliding supporting plates 82, when the transmission belt 72 is loosened, the tension spring 84 which is stretched and tensioned in advance applies an outward tension to the belt pulley supporting frame 9, so that the belt pulley supporting frame 9 moves backwards, the transmission belt 72 is pulled to be tensioned, and the pre-tightening capacity of the belt tensioning device 8 on the belt pulley is achieved.

The inside fixedly connected with band pulley back shaft 91 of band pulley support frame 9, the inside rotation of tensioning band pulley 75 is connected in the surface of band pulley back shaft 91, the surface fixedly connected with of band pulley support frame 9 has two sliding blocks 92, the size of two sliding blocks 92 all with the size looks adaptation of sliding tray 83, the surface of two sliding blocks 92 sliding connection respectively in the inside of corresponding two sliding trays 83, when band pulley support frame 9 slides in the inside of sliding support plate 82, under the restriction of mutually adapted sliding block 92 and sliding tray 83, make band pulley support frame 9 only can carry out the displacement in the horizontal direction, exert a horizontal direction's force to tensioning band pulley 75 through axis of rotation 91 simultaneously, drive tensioning band pulley 75 horizontal migration, thereby carry out the tensile to transmission belt 72, accomplish the pretension work to the band pulley.

The diameters of the first transmission shaft 3 and the second transmission shaft 4 are the same, the length of the first transmission shaft 3 is greater than that of the second transmission shaft 4, one side of the first transmission shaft 3 is fixedly connected to the inside of the driven belt pulley 74, the first transmission shaft 3 and the driven belt pulley 74 are matched, the driving motor 71 can drive the first transmission shaft 3 to rotate through the transmission belt 72, the transmission belt 6 is driven to move, the articles are driven, and a certain interval exists between the belt transmission device 7 and the platform bracket 1 through the length lengthening design of the first transmission shaft 3, so that a space is reserved for the installation of the belt tensioning device 8, and the installation of a conveying platform is facilitated.

Embodiment two: as shown in fig. 5, a conveying platform with a belt pulley pre-tightening device is provided, a motor support is fixedly connected to the bottom of a driving motor 71, a lifting platform is arranged at the bottom of the motor support, the bottom of the motor support is fixedly connected to one side of the lifting platform, a belt tensioning device 8 comprises a supporting frame 81 and a belt pulley supporting frame 9, one side of the supporting frame 81 is fixedly connected with a tension spring 84, one side of the tension spring 84 is fixedly connected to the outer surface of the belt pulley supporting frame 9, one side of the supporting frame 81 is fixedly connected with an extending rod 85, the top of the extending rod is fixedly connected with a distance sensor 86, one side of the belt pulley supporting frame 9 is provided with an extending hole 87, the diameter of the extending hole 87 is larger than that of the extending rod 85, the position of the extending hole 87 corresponds to that of the extending rod 85, the stretched tensioning belt pulley 75 is sensed through the matching arrangement of the extending rod 85 and the distance sensor 86, when the driven belt pulley 75 arrives, the lifting platform drives the driving motor 71 to move downwards, the driven belt 72 is tensioned and drives the driven belt pulley 75 to be far away from the distance sensor 86, so that the belt pulley 9 is far away from the supporting frame 81 from the new tension spring 84.

From delivery platform who takes band pulley preloading device, theory of operation is as follows:

when the transmission belt 72 is loosened, the stretching spring 84 which is stretched and tensioned in advance applies an outward pulling force to the belt pulley support frame 9, so that the belt pulley support frame 9 moves backwards, the belt pulley support frame 9 horizontally moves in the sliding groove 83 through the sliding blocks 92 connected to the two sides, meanwhile, a horizontal force is applied to the tensioning belt pulley 75 through the rotating shaft 91, the tensioning belt pulley 75 is driven to move in the horizontal direction, and the transmission belt 72 which bypasses the tensioning belt pulley 75 is tensioned, so that the belt pulley is pre-tensioned.

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

the tension spring 84 arranged on one side of the supporting frame 81 is used for applying an outward tension to the belt wheel supporting frame 9, so that the belt wheel supporting frame 9 slides in the sliding groove 83, the tension belt wheel 75 is driven to tension the transmission belt 72, the belt wheel is pre-tensioned, the belt transmission device 7 is in a tensioning state at any time, the time required for equipment shutdown maintenance caused by loosening of the conveying belt is reduced, and the production efficiency of the equipment is improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. 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.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. From delivery platform who takes band pulley preloading device, its characterized in that: including platform support (1), two rotation holes (2) have been seted up to one side of platform support (1), two the inside of rotation hole (2) is pegged graft respectively has first transmission shaft (3) and second transmission shaft (4), two equal fixedly connected with rotor (5) in one side of first transmission shaft (3) and second transmission shaft (4) surface, two a plurality of lightening holes have all been seted up to one side of rotor (5), two rotor (5)'s surface overlap joint has a conveyer belt (6), two rotor (5) are connected through conveyer belt (6) rotation, one side of platform support (1) is provided with belt drive (7), one side of platform support (1) is provided with belt tensioning device (8).

2. A conveyor platform with a wheeled pretensioner according to claim 1, characterized in that: the belt transmission device (7) comprises a driving motor (71), a transmission belt (72), a driving pulley (73), a driven pulley (74) and a tensioning pulley (75).

3. A conveyor platform with a wheeled pretensioner according to claim 2, characterized in that: the bottom fixedly connected with motor support of driving motor (71), the output end of driving motor (71) is fixed connection with one side of driving pulley (73), driven pulley (74) and tensioning pulley (75) pass through driving belt (72) and rotate and connect.

4. A conveyor platform with a wheeled pretensioner according to claim 3, characterized in that: the belt tensioning device (8) comprises a supporting frame (81) and a belt pulley supporting frame (9), one side of the supporting frame (81) is fixedly connected with two sliding supporting plates (82), and one sliding groove (83) is formed in each sliding supporting plate (82).

5. A conveyor platform with a wheeled pretensioner according to claim 4, characterized in that: one side of the supporting frame (81) is fixedly connected with an extension spring (84), one side of the extension spring (84) is fixedly connected with the outer surface of the belt wheel supporting frame (9), and the extension spring (84) is located between the two sliding supporting plates (82).

6. A conveyor platform with a wheeled pretensioner according to claim 5, characterized in that: the inside fixedly connected with band pulley back shaft (91) of band pulley support frame (9), the inside rotation of tensioning band pulley (75) is connected in the surface of band pulley back shaft (91).

7. The conveyor platform with a wheeled pretensioner according to claim 6, wherein: the pulley support frame (9) is characterized in that two sliding blocks (92) are fixedly connected to the outer surface of the pulley support frame (9), the sizes of the two sliding blocks (92) are matched with the sizes of the sliding grooves (83), and the outer surfaces of the two sliding blocks (92) are respectively and slidably connected to the inner parts of the corresponding two sliding grooves (83).

8. A conveyor platform with a wheeled pretensioner according to claim 7, characterized in that: the diameter of the first transmission shaft (3) is the same as that of the second transmission shaft (4), the length of the first transmission shaft (3) is larger than that of the second transmission shaft (4), and one side of the first transmission shaft (3) is fixedly connected to the inside of the driven belt wheel (74).

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