Belt conveyor loading point guide chute buffer device

Abstract

The utility model provides a belt conveyor loading point material guide groove buffer device which comprises a material guide groove arranged between two stages of belt conveyors to form a material conveying channel. The roller assembly is arranged in the material guide groove in a rotatable mode so as to reduce the falling speed of the materials in the conveying channel; and the damper is mounted on the rotating shaft of the roller assembly. According to the device, the material guide groove is formed between the two stages of belt conveyors, so that a conveying channel for materials to pass through is formed, splashing and dust raising of the materials are avoided, the roller assembly is arranged in the material guide groove, the materials flowing through the conveying channel are buffered, the falling speed of the materials is reduced, impact on the next stage of conveying belt is reduced, and the conveying efficiency is improved. And the damper is arranged to buffer the mechanical energy of the roller, the damper can automatically adjust the damping along with the rotating speed of the roller, and the device can be suitable for fall of different heights and has very high universality.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to a material guide trough buffer device at a loading point of a belt conveyor. Background Art

[0002] As a bulk material transportation equipment, belt conveyor is widely used in coal, metallurgy and other industries. When transporting materials from the upper belt conveyor to the lower belt conveyor, there is often a certain height difference between the unloading point of the upper belt conveyor and the loading point of the lower belt conveyor, which can sometimes reach about ten meters. When the material falls directly to the belt conveyor below, it will cause a vertical impact on the body and conveyor belt of the belt conveyor below. Especially when the height difference is large, the high-speed falling material will have a greater impact on the belt conveyor, affecting the service life of the conveyor belt and the load-bearing rollers, and also increasing the maintenance cost of the equipment. Utility Model Content

[0003] In view of the above defects of the prior art, the utility model provides a material guide trough buffer device at the loading point of a belt conveyor to solve the technical problem that the loading point of the belt conveyor has a large drop and the direct fall of materials will impact the conveyor belt and the load-bearing rollers.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a belt conveyor loading point guide trough buffer device, comprising: a guide trough, which is arranged between two stages of belt conveyors to form a material conveying channel; a roller assembly, which is rotatably arranged in the guide trough to reduce the falling speed of the material in the conveying channel; and a damper, which is installed on the rotating shaft of the roller assembly.

[0005] In an embodiment of the present invention, the drum assembly includes a drum and blades, the blades are arranged on the outer peripheral wall of the drum, and the rotating shaft is installed at both ends of the drum.

[0006] In an embodiment of the present invention, the plane where the blades are located coincides with the axis of the drum.

[0007] In an embodiment of the present invention, the blades are arranged in a plurality of rows at intervals along the circumferential direction of the drum, and each row of the blades includes a plurality of blades arranged at intervals along the axial direction of the drum.

[0008] In an embodiment of the present invention, the blades in two adjacent rows are arranged in a staggered manner.

[0009] In an embodiment of the present invention, the included angle between two adjacent rows of blades is 20°-40°.

[0010] In one embodiment of the utility model, the material guide trough includes a bottom plate and a side plate, two side plates are arranged on both sides of the bottom plate, and the two side plates are provided with mounting holes for mounting the rotating shaft of the roller assembly.

[0011] In one embodiment of the present invention, the material guide trough further includes a cover plate and a guide plate, wherein the cover plate covers the two side plates, and the guide plate is disposed in the material guide trough to guide the material to one side of the roller assembly.

[0012] In an embodiment of the present invention, the damper is a centrifugal damper.

[0013] In an embodiment of the present invention, a bearing is provided between the rotating shaft and the material guiding trough.

[0014] The beneficial effects of the utility model are as follows: the utility model proposes a belt conveyor loading point guide trough buffer device, which forms a conveying channel for materials to pass through by arranging a guide trough between two-stage belt conveyors, thereby avoiding splashing and dusting of materials, and then arranging a roller assembly in the guide trough to buffer the materials flowing through the conveying channel, reduce the falling speed of the materials, thereby reducing the impact on the next-stage conveyor belt, and buffer the mechanical energy of the roller by arranging a damper. The damper can automatically adjust the damping according to the rotation speed of the roller, can be applied to different height differences, and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic diagram of the structure provided for an embodiment of the utility model;

[0017] Figure 2 A schematic diagram of the structure of a roller assembly and a damper provided in one embodiment of the utility model;

[0018] Figure 3 A side view of a drum assembly and a damper provided in one embodiment of the utility model;

[0019] Figure 4 A schematic diagram of the structure of a material guide trough provided in one embodiment of the utility model;

[0020] Figure 5 A cross-sectional view of another device provided in one embodiment of the utility model.

[0021] Explanation of the reference numerals: 100, material guide trough; 110, bottom plate; 120, side plate; 121, mounting hole; 130, cover plate; 140, guide plate; 200, roller assembly; 201, rotating shaft; 202, roller; 203, blade; 300, damper. DETAILED DESCRIPTION

[0022] The following is an explanation of the implementation of the present invention through specific specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. It should be noted that the following embodiments and the features in the embodiments can be combined with each other without conflict. In addition to the specific methods, equipment, and materials used in the embodiments, according to the technical personnel in this technical field's grasp of the prior art and the records of the present invention, any methods, equipment, and materials of the prior art that are similar or equivalent to the methods, equipment, and materials described in the embodiments of the present invention can also be used to implement the present invention.

[0023] It should be understood that the terms used in the embodiments of the present invention are to describe specific embodiments rather than to limit the scope of protection of the present invention. Unless otherwise defined, all technical and scientific terms used in the present invention have the same meaning as those commonly understood by those skilled in the art.

[0024] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions for the implementation of the utility model, so they have no substantive technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. In addition, the drawings only show the components related to the utility model rather than the number, shape and size of the components in the actual implementation. The type, quantity and proportion of each component in the actual implementation can be changed arbitrarily, and the component layout type may also be more complicated.

[0025] See also Figure 1 , Figure 1A belt conveyor loading point guide trough 100 buffer device provided in an embodiment of the utility model comprises: a guide trough 100, which is arranged between two-stage belt conveyors to form a conveying channel for materials. The guide trough 100 mainly plays a role in blocking materials to prevent materials from splashing everywhere. The guide trough 100 is generally arranged vertically or slightly inclined; a roller assembly 200, which is rotatably arranged in the guide trough 100 to reduce the falling speed of materials in the conveying channel; and a damper 300, which is installed on the rotating shaft 201 of the roller assembly 200. The roller assembly 200 is rotatable, so when the material falls to the roller assembly 200, part of the kinetic energy of the fall will be converted into mechanical energy for pushing the roller assembly 200; the working principle of the damper 300 is mainly to consume the energy in the mechanical system through friction, liquid or gas resistance, etc., so as to achieve the purpose of reducing vibration and impact, thereby consuming the mechanical energy of the roller assembly 200.

[0026] The device forms a conveying channel for materials to pass through by arranging a material guide trough 100 between two-stage belt conveyors, thereby avoiding splashing and dusting of materials. A roller assembly 200 is arranged in the material guide trough 100 to buffer the materials flowing through the conveying channel and reduce the falling speed of the materials, thereby reducing the impact on the next-stage conveyor belt. A damper 300 is arranged to buffer the mechanical energy of the roller 202. The damper 300 can automatically adjust the damping according to the rotation speed of the roller 202, and can be applied to different height differences, with strong versatility.

[0027] See also Figure 2 and Figure 3 In a specific embodiment of the utility model, the drum assembly 200 includes a drum 202 and blades 203, the blades 203 are arranged on the outer peripheral wall of the drum 202, and the rotating shaft 201 is installed at both ends of the drum 202. The main function of the drum 202 is to install the blades 203 and the rotating shaft 201, and the main function of the blades 203 is to receive materials. When the materials fall on the blades 203, they will push the drum 202 to rotate around the rotating shaft 201.

[0028] See also Figure 3 In a specific embodiment of the present invention, the blades 203 are in the form of plates, and the plane where the blades 203 are located coincides with the axis of the roller 202, that is, the blades 203 are arranged along the radial direction of the roller 202, and the planes where all the blades 203 are located are relative to the axis of the roller 202. In this way, when the blades 203 are impacted by the material again, most of the kinetic energy of the falling material can be converted into mechanical energy for the rotation of the roller assembly 200, thereby reducing the speed of the material falling and reducing the impact of the material on the belt conveyor.

[0029] In a specific embodiment of the present invention, the blades 203 are arranged in multiple rows along the circumference of the drum 202. Figure 3 As shown, this ensures that the blades 203 can receive the falling materials at any angle of the drum 202. Each row of blades 203 includes a plurality of blades 203 spaced apart along the axial direction of the drum 202, such as Figure 2 As shown, this can prevent material blockage. When large pieces of material fall, in order to prevent the material from falling in time, the large pieces of material are automatically discharged from the interval.

[0030] See also Figure 2 In a specific embodiment of the utility model, two adjacent rows of blades 203 are arranged in a staggered manner, that is, the position of the interval of the upper row of blades 203 corresponds to the position of the next row of blades 203, and the width of the blades 203 is greater than or equal to the width of the interval, so that the materials falling from the interval can be reliably blocked by the next row of blades 203. The reason for staggered arrangement of the blades 203 is to allow the materials to impact the next row of blades 203 when falling from the interval of the blades 203, so as to reduce the kinetic energy of the materials falling from the interval.

[0031] See also Figure 3 In a specific embodiment of the utility model, two rows of adjacent blades 203 have an angle. This angle cannot be too large or too small. If it is too large, the kinetic energy of the material cannot be effectively reduced. If it is too small, the material is easily stuck or blocked. In this embodiment, the angle is 20°~40°. At this angle, the kinetic energy of the material can be reliably reduced, and the material is not easily stuck or blocked. It can be understood that the angle between each two rows of adjacent blades 203 can be set to the same angle, for example Figure 3 The angle between every two adjacent rows of blades 203 is 30°, and the entire circumference is 360°, so a total of 12 rows of blades 203 are provided.

[0032] See also Figure 4 In a specific embodiment of the utility model, the material guide trough 100 includes a bottom plate 110 and a side plate 120. The two side plates 120 are arranged on both sides of the bottom plate 110, that is, one side edge of the two side plates 120 is respectively fixedly connected to two parallel edges of the bottom plate 110. The bottom plate 110 and the side plates 120 are perpendicular to each other. The two side plates 120 are provided with mounting holes 121 for mounting the rotating shaft 201 of the roller assembly 200. The area enclosed by the bottom plate 110 and the side plates 120 constitutes the conveying channel of the material.

[0033] See also Figure 5In a specific embodiment of the present invention, the material guide trough 100 further includes a cover plate 130 and a guide plate 140. The cover plate 130 covers the two side plates 120, and the guide plate 140 is arranged in the material guide trough 100 to guide the material to one side of the roller assembly 200. For some materials that are prone to splashing and dusting, the cover plate 130 can be added to make the material conveying channel closed. For a closed conveying channel, the material in it may fall on both sides of the roller assembly 200. Therefore, the guide plate 140 is added to guide the material to fall on one side of the roller assembly 200 to ensure that the roller assembly 200 rotates clockwise or counterclockwise.

[0034] In a specific embodiment of the utility model, the damper 300 is a centrifugal damper. The centrifugal damper is a friction damper of a purely mechanical configuration, which is usually composed of a friction angle and a pair (i.e., a damper housing). This damper 300 uses an external traction driving force to cause the speed limiting mechanism to generate a rotational motion. Under the action of the centrifugal force, the friction foot and the pair generate sliding friction, thereby providing motion resistance. It has the characteristics of small size, light weight, high reliability, etc., and is very suitable for this embodiment.

[0035] It is understandable that when the centrifugal damper is installed on the rotating shaft 201, it can be fixed or rotatable, depending on the design of the damper 300 and the required function. For example, after installation, the fixed damper will not rotate with the rotating shaft 201, and they usually generate friction through contact with the rotating shaft 201, thereby providing resistance to slow down or control the rotation speed of the rotating shaft 201. The rotary damper will rotate with the rotating shaft 201, and the damping grease or other medium inside it will move with the rotation of the outer shell or inner core, generating shear force, thereby providing resistance.

[0036] In a specific embodiment of the present invention, a bearing is provided between the rotating shaft 201 and the guide trough 100. It can be understood that the rotating shaft 201 and the guide trough 100 are rotatably provided, so a bearing can be provided between the two to facilitate the rotation of the roller 202 and avoid wear between the rotating shaft 201 and the guide trough 100.

[0037] When the device is in use, when the material falls from above along the guide trough 100, the gravitational potential energy of the material is converted into kinetic energy, and the speed will gradually increase. When the material falls to the roller assembly 200, it will impact the blades 203 to cause the roller 202 to rotate. Since centrifugal dampers are installed at both ends of the rotating shaft 201 of the roller assembly 200, most of the kinetic energy of the falling material is converted into mechanical energy of the centrifugal damper and the roller assembly 200, thereby reducing the speed of the material descent and reducing the impact of the material on the belt conveyor. In addition, the faster the speed of the centrifugal damper, the greater its damping, so during the working process, the device can automatically adjust the damping according to the energy of the material impact, which is both reliable and stable to use and is very worthy of promotion and use.

[0038] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A belt conveyor loading point guide trough buffer device, characterized in that: include: A material guide trough, which is arranged between two stages of belt conveyors to form a material conveying channel; a roller assembly, the roller assembly being rotatably disposed in the material guide trough to reduce the falling speed of the material in the conveying channel; and A damper is installed on the rotating shaft of the drum assembly.

2. The belt conveyor loading point guide chute buffer device according to claim 1, characterized in that: The drum assembly comprises a drum and blades, wherein the blades are arranged on the outer peripheral wall of the drum, and the rotating shaft is installed at both ends of the drum.

3. The belt conveyor loading point guide chute buffer device according to claim 2, characterized in that: The plane where the blades are located coincides with the axis of the drum.

4. The belt conveyor loading point guide trough buffer device according to claim 3, characterized in that: The blades are arranged in a plurality of rows at intervals along the circumferential direction of the drum, and each row of the blades includes a plurality of blades arranged at intervals along the axial direction of the drum.

5. The belt conveyor loading point guide chute buffer device according to claim 4, characterized in that: The blades in two adjacent rows are arranged in a staggered manner.

6. The belt conveyor loading point guide chute buffer device according to claim 4, characterized in that: The included angle between two adjacent rows of blades is 20° to 40°.

7. The belt conveyor loading point guide chute buffer device according to claim 1, characterized in that: The material guide trough comprises a bottom plate and a side plate, two side plates are arranged on both sides of the bottom plate, and mounting holes are arranged on the two side plates for mounting the rotating shaft of the roller assembly.

8. The belt conveyor loading point guide chute buffer device according to claim 7, characterized in that: The material guide trough further comprises a cover plate and a guide plate, wherein the cover plate covers the two side plates, and the guide plate is arranged in the material guide trough to guide the material to one side of the roller assembly.

9. The belt conveyor loading point guide chute buffer device according to claim 1, characterized in that: The damper is a centrifugal damper.

10. The belt conveyor loading point guide chute buffer device according to claim 9, characterized in that: A bearing is arranged between the rotating shaft and the material guiding trough.

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