Conveying belt tensioning mechanism

Abstract

The utility model discloses a conveyor belt tensioning mechanism, which belongs to the field of mining equipment and comprises a belt arranged on a driving roller and a mounting frame arranged on a rack of a conveyor, compression rollers are arranged at two ends of the mounting frame through bearing seats, and a tensioning roller is arranged in the middle of the mounting frame through an adjusting mechanism. A cleaning mechanism used for conducting vibration cleaning on the belt is arranged on the tensioning roller, the cleaning mechanism comprises a connecting shaft which is coaxially arranged with the tensioning roller, the connecting shaft is detachably connected with the tensioning roller through a connecting plate, and an elastic assembly acting on the belt is arranged on the connecting shaft through a mounting hoop. According to the conveying belt tensioning mechanism, the conveying belt on the tensioning mechanism can generate local vibration through the cleaning mechanism, so that dust and silt attached to the conveying belt are removed in a vibration mode when the conveying belt is used, the conveying belt is kept unobstructed, and the conveying efficiency of materials is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mining equipment, in particular to a conveyor belt tensioning mechanism. Background Art

[0002] In the mining industry, the conveyor belt is an indispensable transportation equipment in its production. It can continuously and efficiently transport raw materials such as ores and coals from the mining site to the areas for processing, storage or further processing. Through the continuous transportation of the conveyor belt, the mine can achieve automated and continuous production. The conveyor belt tensioning mechanism is mainly responsible for adjusting the tension of the conveyor belt to ensure that the conveyor belt maintains an appropriate tightness during transportation, thereby improving the transportation efficiency, reducing the wear of the conveyor belt and extending the service life of the transportation equipment.

[0003] The tensioning mechanism of the conveyor belt adjusts the tension of the conveyor belt by adjusting the position of the tensioning roller. However, during its use, due to the fact that the current tensioning mechanism does not fully consider the impact of dust and sediment on the conveyor belt and the system, there is no structure for cleaning the dust and sediment on the conveyor belt on the tensioning mechanism, resulting in an increase in the running resistance caused by the dust and sediment attached to the conveyor belt, a decrease in the running speed of the conveyor belt, and thus affecting the efficiency of the entire conveying system. Summary of the Utility Model

[0004] The purpose of the utility model is to: in order to solve the problem that the existing tensioning mechanism does not have a structure for cleaning the dust and sediment on the conveyor belt, resulting in an increase in the running resistance caused by the dust and sediment attached to the conveyor belt, a decrease in the running speed of the conveyor belt, and thus affecting the efficiency of the entire conveying system, a conveyor belt tensioning mechanism is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technology: a conveyor belt tensioning mechanism, including a belt arranged on a driving roller, and further including a mounting bracket arranged on the frame of the conveyor. Both ends of the mounting bracket are provided with pressure rollers through bearing seats, and a tensioning roller is arranged at the middle position of the mounting bracket through an adjusting mechanism. A cleaning mechanism for vibrating and cleaning the belt is arranged on the tensioning roller.

[0006] As a further description of the above technical solution: the cleaning mechanism includes a connecting shaft coaxially arranged with the tensioning roller. The connecting shaft is detachably connected to the tensioning roller through a connecting plate, and an elastic component acting on the belt is arranged on the connecting shaft through a mounting clamp.

[0007] As a further description of the above technical solution: the mounting clamp includes a first clamp body and a second clamp body that cooperate with each other. The first clamp body and the second clamp body are connected by connecting bolts.

[0008] As a further description of the above technical solution: The elastic component includes a threaded end, and a top head is arranged on the threaded end through a spring;

[0009] Connecting screw holes that match the threaded ends are provided on both the first hoop and the second hoop.

[0010] As a further description of the above technical solution: Limit blocks are provided on both the first hoop and the second hoop, and limit holes that match the limit blocks are provided on the connecting shaft.

[0011] As a further description of the above technical solution: The adjusting mechanism includes a fixed frame connected to the mounting frame through rib plates. A sliding seat connected to the tensioning roller is provided on the fixed frame, and a positioning component for adjusting its height position is provided on the sliding seat.

[0012] As a further description of the above technical solution: The positioning component includes an adjusting plate connected to the sliding seat and penetrating through the bottom of the fixed frame. A handle is provided at the bottom of the adjusting plate. A plurality of positioning screw holes are arranged at equal intervals along the height direction of the adjusting plate, and positioning bolts that match the positioning screw holes are provided at the bottom of the fixed frame.

[0013] As a further description of the above technical solution: A sliding rail is provided on the sliding seat, and a sliding groove that matches the sliding rail is provided on the fixed frame.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows:

[0015] Through the cleaning mechanism, local vibration can be generated on the conveyor belt of the tensioning mechanism, so that the dust and sediment attached to the conveyor belt can be vibrated and removed when the conveyor belt is in use, thereby keeping the conveyor belt unobstructed, improving the conveying efficiency of materials. By vibrating and removing the dust and sediment attached to the conveyor belt, the surface of the conveyor belt can be protected, its service life can be extended, and the incidence of faults on the conveyor belt can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shows a working schematic diagram provided according to an embodiment of the present utility model;

[0017] Figure 2 Shows an overall structural schematic diagram provided according to an embodiment of the present utility model;

[0018] Figure 3 Shows a structural schematic diagram of the cleaning mechanism provided according to an embodiment of the present utility model;

[0019] Figure 4 Shows a partial structural schematic diagram provided according to an embodiment of the present utility model;

[0020] Figure 5 Shows a schematic structural diagram of a mounting clamp provided according to an embodiment of the present invention;

[0021] Figure 6 Shows a schematic structural diagram of an elastic component provided according to an embodiment of the present invention;

[0022] Figure 7 Shows a schematic structural diagram of a connecting shaft provided according to an embodiment of the present invention;

[0023] Figure 8 Shows a schematic structural diagram of an adjustment mechanism provided according to an embodiment of the present invention.

[0024] Legend Explanation:

[0025] 1. Driving roller; 2. Belt; 3. Mounting frame; 4. Bearing seat; 5. Pressing roller; 6. Adjustment mechanism; 61. Fixed frame; 62. Slide seat; 63. Adjustment plate; 64. Handle; 65. Positioning screw hole; 66. Positioning bolt; 67. Slide rail; 68. Slide groove; 7. Tensioning roller; 8. Cleaning mechanism; 81. Connecting shaft; 811. Limit hole; 82. Connecting plate; 83. Mounting clamp; 831. First hoop body; 832. Second hoop body; 833. Connecting bolt; 834. Limit block; 835. Connecting screw hole; 84. Elastic component; 841. Threaded end; 842. Spring; 843. Head. Detailed Implementation Manner

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

[0027] Refer to Figures 1-8 , a conveyor belt tensioning mechanism provided in this embodiment includes a belt 2 provided on a driving roller 1, and further includes a mounting frame 3 provided on the frame of the conveyor, both ends of the mounting frame 3 are provided with pressing rollers 5 through bearing seats 4, and a tensioning roller 7 is provided at the middle position of the mounting frame 3 through an adjustment mechanism 6, and a cleaning mechanism 8 for vibrating and cleaning the belt 2 is provided on the tensioning roller 7.

[0028] In the present utility model, the mounting bracket 3 is mounted on the frame of the belt conveyor through fasteners. The driving roller 1 rotates under the action of the motor, so as to cooperate with the idler rollers on the frame to move the belt 2. When adjusting the tension of the belt 2, the height position of the tensioning roller 7 is adjusted through the adjusting mechanism 6. Since the tensioning roller 7 and the two pressure rollers 5 are arranged in a triangular pattern, when the tensioning roller 7 moves up and down, the tension of the belt 2 can be adjusted. The cleaning mechanism 8 provided on the tensioning roller 7 can cause local vibration of the belt 2 when the belt 2 passes through the tensioning roller 7, so as to vibrate the dust and sediment attached to the belt 2, thereby keeping the conveyor belt unobstructed and improving the conveying efficiency of materials.

[0029] Specifically, as Figures 1-3 shown, the cleaning mechanism 8 includes a connecting shaft 81 arranged coaxially with the tensioning roller 7. The connecting shaft 81 is detachably connected to the tensioning roller 7 through a connecting plate 82. An elastic component 84 acting on the belt 2 is arranged on the connecting shaft 81 through a mounting clamp 83.

[0030] Among them, when the belt 2 passes through the tensioning roller 7, the rotation of the tensioning roller 7 will drive the rotation of the connecting shaft 81. When the connecting shaft 81 rotates, the elastic component 84 in contact with the belt 2 will experience a process from compression to release. When the elastic component 84 is released, the elastic component 84 acts on the belt 2 to cause local vibration of the belt 2, so as to vibrate the dust, sediment and other impurities attached to the belt 2, realizing the cleaning work of the belt 2. The connecting shaft 81 can be detached from the tensioning roller 7 through the connecting plate 82, so as to facilitate the maintenance and repair of the cleaning mechanism 8.

[0031] Specifically, as Figure 3 、 Figure 5 and Figure 7 shown, the mounting clamp 83 includes a first clamp body 831 and a second clamp body 832 that cooperate with each other. The first clamp body 831 and the second clamp body 832 are connected by a connecting bolt 833. Limiting blocks 834 are arranged on both the first clamp body 831 and the second clamp body 832. A limiting hole 811 matching the limiting block 834 is formed on the connecting shaft 81.

[0032] Among them, when the first clamp body 831 and the second clamp body 832 are connected by the connecting bolt 833, first align the limiting blocks 834 on the first clamp body 831 and the second clamp body 832 with the limiting hole 811 on the connecting shaft 81, and then lock and fix them through the connecting bolt 833. The limiting blocks 834 and the limiting hole 811 can ensure the accuracy of the installation and avoid the phenomenon of sliding and deviation after the mounting clamp 83 is installed.

[0033] Specifically, as Figures 4-6As shown, the elastic component 84 includes a threaded end 841 , on which a top head 843 is provided via a spring 842 , and a connecting screw hole 835 matching with the threaded end 841 is provided on the first hoop body 831 and the second hoop body 832 .

[0034] Among them, as the tensioning roller 7 rotates, the belt 2 will first compress the top head 843, and the compression of the top head 843 will cause the spring 842 to contract. As the top head 843 rotates past the top position, the spring 842 resets, causing the top head 843 to hit the belt 2, thereby causing the belt 2 to vibrate locally, and then vibrate off impurities such as dust and sand attached to the belt 2. The top head 843 and the spring 842 can be easily disassembled and assembled through the cooperation of the threaded end 841 and the connecting screw hole 835, thereby facilitating the disassembly and maintenance of the elastic component 84.

[0035] Specifically, Figure 2 and Figure 8 As shown, the adjustment mechanism 6 includes a fixed frame 61 connected to the mounting frame 3 through a rib plate, a slide seat 62 connected to the tensioning roller 7 is provided on the fixed frame 61, and a positioning component for adjusting its height position is provided on the slide seat 62, the positioning component includes an adjustment plate 63 connected to the slide seat 62 and passing through the bottom of the fixed frame 61, a handle 64 is provided at the bottom of the adjustment plate 63, a plurality of positioning screw holes 65 arranged at equal intervals along its height direction are opened on the adjustment plate 63, and a positioning bolt 66 matching the positioning screw hole 65 is provided at the bottom of the fixed frame 61.

[0036] When the tensioning degree needs to be adjusted, the positioning bolt 66 on the fixed frame 61 is first loosened to disengage it from the positioning screw hole 65 of the adjustment plate 63, and then the handle 64 is used to pull the movable adjustment plate 63 to move the slide 62 on the adjustment plate 63 on the fixed frame 61, thereby driving the adjustment of the position of the tensioning roller 7 on the slide 62. After adjusting the tensioning degree of the belt 2 using the tensioning roller 7, the positioning bolt 66 is screwed into the corresponding positioning screw hole 65 to fix the slide 62, thereby fixing the position of the tensioning roller 7.

[0037] It should be noted that a slide rail 67 is provided on the slide seat 62, and a slide groove 68 is provided on the fixed frame 61 to match the slide rail 67. The slide rail 67 and the slide groove 68 provide a stable moving path for the slide seat 62, ensuring that it moves linearly along a predetermined direction during the lifting process. At the same time, the slide rail 67 can also bear the weight of the slide seat 62 and the object it carries, ensuring the stability and safety of the structure.

[0038] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A conveyor belt tensioning mechanism, characterized in that, It includes a belt (2) arranged on a driving roller (1), and also includes a mounting bracket (3) arranged on the frame of the conveyor. Both ends of the mounting bracket (3) are provided with pressure rollers (5) through bearing seats (4), and a tensioning roller (7) is arranged at the middle position of the mounting bracket (3) through an adjusting mechanism (6). A cleaning mechanism (8) for vibrating and cleaning the belt (2) is arranged on the tensioning roller (7).

2. The conveyor belt tensioning mechanism according to claim 1, wherein The cleaning mechanism (8) includes a connecting shaft (81) arranged coaxially with the tensioning roller (7). The connecting shaft (81) is detachably connected to the tensioning roller (7) through a connecting plate (82). An elastic component (84) acting on the belt (2) is arranged on the connecting shaft (81) through a mounting clamp (83).

3. The conveyor belt tensioning mechanism according to claim 2, characterized in that, The mounting clamp (83) includes a first clamp body (831) and a second clamp body (832) that cooperate with each other. The first clamp body (831) and the second clamp body (832) are connected by a connecting bolt (833).

4. A conveyor belt tensioning mechanism according to claim 3, characterized in that, The elastic component (84) includes a threaded end (841). A top head (843) is arranged on the threaded end (841) through a spring (842). Connecting screw holes (835) that cooperate with the threaded end (841) are provided on both the first clamp body (831) and the second clamp body (832).

5. A conveyor belt tensioning mechanism according to claim 3 or 4, characterized in that, Limiting blocks (834) are arranged on both the first clamp body (831) and the second clamp body (832). Limiting holes (811) that cooperate with the limiting blocks (834) are provided on the connecting shaft (81).

6. A conveyor belt tensioning mechanism according to claim 1, characterized in that, The adjusting mechanism (6) includes a fixing frame (61) connected to the mounting bracket (3) through a rib plate. A sliding seat (62) connected to the tensioning roller (7) is arranged on the fixing frame (61), and a positioning component for adjusting its height position is arranged on the sliding seat (62).

7. The conveyor belt tensioning mechanism according to claim 6, characterized in that, The positioning component includes an adjusting plate (63) connected to the sliding seat (62) and passing through the bottom of the fixing frame (61). A handle (64) is arranged at the bottom of the adjusting plate (63). A number of positioning screw holes (65) are arranged at equal intervals along the height direction of the adjusting plate (63). A positioning bolt (66) that cooperates with the positioning screw holes (65) is arranged at the bottom of the fixing frame (61).

8. A conveyor belt tensioning mechanism according to claim 6 or 7, characterized in that, A slide rail (67) is arranged on the sliding seat (62). A chute (68) that cooperates with the slide rail (67) is provided on the fixing frame (61).

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