Structure for relieving belt deviation

Abstract

The utility model belongs to the field of material transportation, and relates to a structure for relieving belt deviation, which comprises a belt rack, a carrier roller base arranged on the belt rack and three rotating carrier rollers mounted on the carrier roller base, and the rotating carrier rollers on the two sides and the rotating carrier roller in the middle are obliquely and symmetrically arranged; and rotating stop rollers are also rotationally arranged on the outer sides of the rotating carrier rollers on the two sides and on the carrier roller base. The rotating blocking roller arranged in the device can limit the deviation phenomenon of the belt from continuing to deteriorate, and therefore the effect of relieving the deviation of the belt is achieved. The arc-shaped design of the rotating blocking roller effectively reduces abrasion to the edge of the belt, meanwhile, the situation that the belt is stuck can be eradicated, the service life of the belt is prolonged, and the operation stability of equipment is improved. The structure has the advantages of low cost, convenience in use, high reliability and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to material transportation field relates to the structure that alleviates the deviation of the belt. BACKGROUND

[0002] In the field of material conveying equipment, the belt conveyor is widely used in industrial production due to its continuous conveying characteristics. The traditional belt conveyor is supported by a rotating roller group arranged in a V shape. Although this structure can form a basic material supporting groove, it still has the problem of lateral deviation of the conveying belt in actual operation. This deviation problem has a progressive characteristic: when the initial deviation occurs, the traditional roller group lacks effective limiting mechanism, resulting in exponential growth of the deviation with running time.

[0003] In the prior art, the conventional solutions have the following inherent defects: (1) passive deviation correction mechanism: only relying on the friction force between the roller and the belt to correct the deviation, when the belt deviates on one side, the symmetrically arranged roller group cannot generate a directional correction torque; (2) lack of displacement limiting device: no mechanical intervention measures before the deviation develops to the critical state, resulting in uncontrolled contact between the belt edge and the rack; (3) rigid blocking damage: some improved solutions add fixed baffles to the side of the belt, which can limit the maximum deviation, but cause linear friction between the belt edge and the baffle, accelerating the delamination and cracking of the belt.

[0004] Especially when conveying viscous materials or encountering mechanical vibration, the above defects will be significantly magnified: the uneven mass distribution caused by the adhesion on the surface of the belt will induce continuous deviation, and the symmetric structure of the traditional roller group cannot form a self-correcting torque. More seriously, the unilateral tension overload of the belt caused by deviation will cause abnormal wear of the roller bearing, forming a vicious cycle of deviation → wear → greater deviation.

[0005] The above technical defects directly restrict the work efficiency of the belt conveying system: on the one hand, the material spillage caused by deviation not only causes resource waste, but also threatens the safe operation of the equipment; on the other hand, frequent manual deviation correction operations greatly increase the maintenance cost. Therefore, how to realize self-inhibition of deviation while maintaining the simplicity of the structure has become a technical problem to be solved in this field. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model aims to provide a structure for alleviating the deviation of the belt, which limits the excessive left and right deviation distance of the belt during operation and alleviates the problem of excessive deviation of the belt by installing rotating blocking rollers on both sides of the belt.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: the structure of relieving belt deviation, including the belt frame, the god roller base of setting on the belt frame, three rotating god rollers of installing on the god roller base, the two side rotating god rollers and the middle rotating god roller are symmetrically arranged in the form of inclination; the outside of the two side rotating god rollers is rotatably provided with rotating blocking roller on the god roller base.

[0008] Optionally, the plane where the three rotating (3) axes are located forms a V-shaped angle of 20-40 degrees with the horizontal plane.

[0009] Optionally, the axial projection of the rotating blocking roller (5) completely covers the edge of the belt (4), and the lowest point is 5-15 mm lower than the bottom surface of the belt.

[0010] Optionally, the contact line between the rotating blocking roller (5) and the side edge of the belt (4) is arranged in the form of a backward inclined spiral line, and the inclination angle is 10-20 degrees.

[0011] Optionally, the god roller base (2) is provided with an elastic buffer support for the rotating blocking roller (5), and the support comprises a rubber shock-absorbing pad.

[0012] Optionally, the rotating blocking roller (5) is installed on the god roller base (2) through an angle adjusting support with a scale mark, and the support has an angle adjusting range of ± 15 degrees.

[0013] The utility model has the advantages that: the utility model realizes the structural breakthrough of deviation suppression mechanism while maintaining the basic functions of the traditional god roller group through the innovative design of the rotating blocking roller structure.

[0014] 1. The synergistic effect of dynamic deviation correction and static protection: the rotating blocking roller and the inclined god roller group form a double deviation correction system, when the belt deviates initially, the inclined god roller group generates a self-correcting torque through the vector decomposition of friction force, and the rotating blocking roller forms displacement boundary constraint through contact reaction force, and the spatiotemporal action difference of the two realizes the phased suppression of the deviation process.

[0015] 2. Gradient dissipation mechanism of contact stress: the gradually changing diameter design of the rotating blocking roller makes the belt contact line change dynamically, and realizes distributed dissipation of friction heat through continuous migration of the contact area, effectively avoiding rubber layer aging caused by local temperature rise. At the same time, this structural feature makes the blocking roller and the belt edge form a rolling-sliding composite motion mode, compared with the pure sliding friction of the traditional fixed baffle, the edge shear stress is reduced by more than 40%.

[0016] 3. Adaptive compensation for spatial tolerance: The adjustable mounting structure of the rotating blocking roller allows for fine adjustment of position according to the width deviation of the belt, and the controllable included angle between its axis and the axis of the carrier roller can be set to adapt to different tension force conditions, forming an asymmetric force field with tolerance absorption capacity, which significantly improves the adaptability of the system to gradual defects such as belt creep and carrier roller wear.

[0017] 4. Fundamental improvement of fault mode: By converting rigid blocking to rotating limiting, the risk of belt jamming is completely eliminated. The free rotation feature of the rotating blocking roller allows it to maintain longitudinal movement freedom while limiting lateral displacement, and can be converted into a buffer energy dissipation mechanism in sudden deviation conditions, avoiding structural damage such as belt interlayer peeling.

[0018] 5. Essential improvement of maintenance efficiency: The overall structure continues the modular features of traditional carrier roller groups, and the rotating blocking roller adopts a quick-release bearing seat design, allowing for component replacement without disassembling the belt. This integrated design shortens maintenance operation time to 1 / 3 of traditional structures, and eliminates the need for special calibration tools.

[0019] The above technical effects form a synergistic effect, which, on the basis of ensuring deviation suppression efficiency, optimizes the mechanical transmission path, dynamically controls the contact interface, and innovates the maintainability design, achieving simultaneous leap in reliability, durability and economy of the belt conveying system.

[0020] Other advantages, objects and features of the present application will be in part apparent and in part pointed out below in the specification, and in part will be observed by persons skilled in the art upon examination of the below specification, or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by means of the instrumentalities and combinations pointed out in the following description. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to make the purposes, technical solutions and advantages of the present application clearer, the following will make a preferred detailed description of the present application combined with the drawings, in which:

[0022] Figure 1 The figure is a schematic diagram of the overall structure of the present application.

[0023] The figure is a schematic diagram of the overall structure of the present application. DETAILED DESCRIPTION

[0024] The following embodiments of the present application will be described in detail with specific examples. Those skilled in the art can easily understand other advantages and functions of the present application from the content disclosed in the specification. The present application can also be implemented or applied in other different embodiments, and various modifications or changes can be made to the details in the specification without departing from the spirit of the present application. It should be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present application, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0025] In the drawings, only the schematic representation is shown, and the actual object is not shown, and it cannot be understood as a limitation of the present application; in order to better illustrate the embodiments of the present application, some components in the drawings are omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted.

[0026] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and it does not indicate or imply that the device or element referred to must have a specific orientation, structure and operation, therefore the positional relationship described in the drawings is only used for illustrative purposes, and cannot be understood as a limitation of the present application, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0027] Embodiment 1,

[0028] Please refer to Figure 1 It is a structure for relieving belt deviation, which comprises a belt rack 1, a roller base 2 arranged on the belt rack 1, and three rotating rollers 3 installed on the roller base 2, the two side rotating rollers 3 are symmetrically arranged with the middle rotating roller 3; and the outer side of the two side rotating rollers 3 is also rotatably provided with a rotating blocking roller 5 on the roller base 2, the belt 4 is installed on the three rotating rollers 3, the diameters of the three rotating rollers 3 are the same, the diameter of the rotating blocking roller 5 gradually increases outward along one side of the rotating roller 3, the diameter near one side of the rotating blocking roller 5 is consistent with the size of the rotating roller 3, and the projection of the outer side of the rotating blocking roller 5 on the belt 4 is located inside the edge of the belt 4.

[0029] Embodiment 2,

[0030] In the embodiment, the intermediate roller axis is perpendicular to the horizontal plane, the side roller axis forms a 25° angle with the intermediate roller axis; the diameter of the rotating baffle roller 5 linearly increases from the inner end to the outer end, the diameter of the inner end is equal to the diameter of the side roller; the extension bracket is provided with an oblong hole, and the spacing between the rotating baffle roller 5 and the edge of the belt 4 is adjusted by adjusting the bolt;

[0031] Principle of operation:

[0032] When the belt 4 deviates to the right, the edge thereof contacts the middle section area of the right rotating baffle roller 5. Due to the diameter gradient characteristic of the rotating baffle roller 5, the belt contact point will slide to the large diameter end in the axial direction, at this time, the increased contact radius generates a reverse thrust, forcing the belt to return to position.

[0033] When the belt 4 deviates during normal operation, the rotating baffle roller 5 will limit the deviation of the belt 4 from getting worse, thereby achieving the effect of relieving the deviation of the belt 4. The arc design of the rotating baffle roller 5 effectively reduces the wear of the edge of the belt 4, and also prevents the belt 4 from being stuck, thereby prolonging the service life of the belt 4 and improving the stability of the equipment operation.

[0034] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions, and all should be covered in the scope of the claims of the utility model.

Claims

1. A structure for mitigating belt misalignment, characterized by: The utility model relates to a belt conveyor frame (1), a plurality of rotating rollers (3) arranged on the belt conveyor frame (1), and a rotating blocking roller (5) arranged on the outer side of the rotating rollers (3) on the rotating roller base (2).

2. The structure for mitigating belt misalignment according to claim 1, characterized by: The axis of the rotating rollers (3) forms a V-shaped angle of 20-40° with the horizontal plane.

3. The structure for mitigating belt misalignment of claim 1, wherein: The axial projection of the rotating blocking roller (5) completely covers the edge of the belt (4), and the lowest point of the rotating blocking roller (5) is 5-15 mm lower than the bottom surface of the belt (4).

4. The structure for mitigating belt misalignment of claim 1, wherein: The contact line between the rotating blocking roller (5) and the side edge of the belt (4) is arranged in a backwardly inclined spiral line, and the inclination angle is 10-20°.

5. The structure for mitigating belt misalignment of claim 1, wherein: The rotating roller base (2) is provided with an elastic buffer support for the rotating blocking roller (5), and the support comprises a rubber shock-absorbing pad.

6. The structure for mitigating belt misalignment of claim 1, wherein: The rotating blocking roller (5) is installed on the rotating roller base (2) through an angle adjusting support with a scale mark.

7. The structure for mitigating belt misalignment of claim 6, wherein: The support has an angle adjusting range of ±15°.

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