Belt idler bracket structure

Abstract

The utility model relates to the technical field of belt conveying equipment, especially a kind of belt carrier roller frame structure, including carrier roller frame main body, stand and limiting roller, fixed assembly is provided on carrier roller frame main body, stand is fixed on carrier roller frame main body by fixed assembly, the side of stand close to belt is provided with containing groove, limiting roller is installed in containing groove, the upper and lower ends of stand are all provided with mounting assembly, limiting roller is connected with stand by mounting assembly;Limiting roller includes center shaft, outer tube and bearing, center shaft is located the central position of outer tube, bearing inner ring is connected with center shaft, bearing outer ring is connected with outer tube inner wall, mounting assembly includes mounting plate and second locking nut, the side wall of stand is fixed with fixed plate, mounting plate is connected with fixed plate, adjusting hole is set up on mounting plate, center shaft is connected with second locking nut screw thread after passing through adjusting hole.The utility model has the technical effect that limiting roller is replaced conveniently.

Description

Technical Field

[0001] This utility model relates to the technical field of belt conveyor equipment, and in particular to a belt idler frame structure. Background Technology

[0002] A belt idler frame is a device that supports belt idlers. To prevent the belt from veering to either side during operation, limit rollers are generally installed on both sides of the belt. For example... Figure 1 As shown, the belt idler frame includes an idler frame body 1, a mounting frame 12, and a limiting roller 2. The mounting frame 12 is welded and fixed to the idler frame body 1. The limiting roller 2 includes an intermediate shaft 21 and an outer cylinder 22. A bearing 23 is installed between the intermediate shaft 21 and the outer cylinder 22. The bottom of the intermediate shaft 21 is welded and fixed to the mounting frame 12.

[0003] After prolonged use, the limit roller 2 experiences significant wear and requires periodic replacement. Replacement necessitates cutting the mounting frame 12 and installing a new mounting frame 12 and limit roller 2. This process is cumbersome and poses a high safety risk in flammable and explosive environments such as mines and chemical plants. Utility Model Content

[0004] In order to solve the problems existing in the prior art, the present invention provides a belt idler frame mechanism that facilitates the replacement of the limit roller.

[0005] The present invention provides a belt idler frame structure, which adopts the following technical solution: A belt idler frame structure includes an idler frame body, a column, and a limiting roller. A support column is fixed to the bottom of the idler frame body, and a fixing component is provided on the idler frame body. The column is fixed to the idler frame body by the fixing component. A receiving groove is provided on the side of the column near the belt, and the limiting roller is installed in the receiving groove. Mounting components are provided at both the upper and lower ends of the column, and the limiting roller is connected to the column by the mounting components. The limiting roller includes a central shaft, an outer cylinder, and a bearing. The central shaft is located at the center of the outer cylinder. The inner ring of the bearing is connected to the central shaft, and the outer ring of the bearing is connected to the inner wall of the outer cylinder. The mounting assembly includes a mounting plate and a second locking nut. A fixing plate is fixed on the side wall of the column. The mounting plate is connected to the fixing plate. An adjustment hole is provided on the mounting plate. The central shaft passes through the adjustment hole and is threadedly connected to the second locking nut.

[0006] Optionally, the adjustment hole is an elongated hole, and the length direction of the adjustment hole is set perpendicular to the conveying direction of the belt.

[0007] Optionally, the fixing assembly includes a threaded rod, a washer, and a first locking nut. Threaded rods are provided on both the upper and lower sides of the roller frame body. The washer is located on the side of the roller frame body away from the column. One end of the threaded rod is fixed to the column, and the other end of the threaded rod passes through the washer and is threadedly connected to the first locking nut.

[0008] Optionally, the fixing components include a slider and a slide rail. The slider is connected to the side wall of the column, and the bottom of the slide rail is fixedly connected to the main body of the roller frame. The slider has a connecting hole for the slide rail to pass through, and the slider can slide up and down along the slide rail. The slider is provided with a positioning bolt and has a first positioning hole. The slide rail has multiple second positioning holes, which are arranged along the height direction of the slide rail. The positioning bolt passes through the first positioning hole and is threadedly connected to one of the second positioning holes.

[0009] Optionally, a first connecting block is fixed on each of the two opposite side walls of the column, and a second connecting block is fixed on the side wall of the slider. Each first connecting block corresponds to a second connecting block. A connecting rod is fixed on the side of the first connecting block closest to the second connecting block. The connecting rod passes through the second connecting block. A spring is fixed between the first connecting block and the second connecting block, and the spring is sleeved with the connecting rod.

[0010] Compared with the prior art, the present invention has the following technical effects: This utility model's roller frame structure eliminates the need for open flame operations during the replacement of the limit rollers, completely eliminating the risk of fire and explosion. The position of the limit rollers can be adjusted via adjustment holes, thereby extending their service life. The height of the limit rollers is also adjustable, further improving their lifespan. Attached Figure Description

[0011] Figure 1 This is a structural diagram of existing technology; Figure 2 This is a schematic diagram of the overall structure of Embodiment 1 of this utility model; Figure 3 This is a schematic diagram of the installation components in Embodiment 1 of this utility model; Figure 4 This is a schematic diagram of the limiting roller in Embodiment 1 of this utility model; Figure 5 This is a schematic diagram of the fixing component in Embodiment 2 of this utility model; Figure 6 This is a schematic diagram of the first connecting block, the second connecting block, and the connecting rod in Embodiment 3 of this utility model.

[0012] Explanation of reference numerals in the attached drawings: 1. Main body of the roller frame; 11. Support column; 12. Mounting frame; 2. Limiting roller; 21. Central shaft; 22. Outer cylinder; 23. Bearing; 3. Column; 31. Receiving groove; 32. Fixing plate; 4. Fixing assembly; 41. Threaded rod; 42. Washer; 43. First locking nut; 44. Slider; 441. First positioning hole; 45. Slide rail; 451. Second positioning hole; 46. Connecting hole; 47. Positioning bolt; 5. Mounting assembly; 51. Mounting plate; 511. Adjustment hole; 52. Second locking nut; 6. First connecting block; 61. Second connecting block; 62. Connecting rod; 63. Spring. Detailed Implementation

[0013] The following is in conjunction with the appendix Figure 2 - Appendix Figure 6 The present invention will be described in further detail below.

[0014] Embodiment 1 of this utility model Reference Figure 2 , Figure 3 and Figure 4 This utility model discloses a belt idler frame structure, including an idler frame body 1, a limiting roller 2, and a column 3. The column 3 is mounted on the idler frame body 1, and a support column 11 is fixed to the bottom of the idler frame body 1. A fixing component 4 is provided on the idler frame body 1, and the column 3 is fixed to the idler frame body 1 by the fixing component 4. A receiving groove 31 is provided on the side of the column 3 near the belt. Both the limiting roller 2 and the column 3 are arranged vertically, with the limiting roller 2 located in the receiving groove 31. One side of the limiting roller 2 protrudes from the side of the column 3 near the belt, and the column 3 is generally in the shape of a channel steel. Mounting components 5 are provided at both the upper and lower ends of the column 3, and the limiting roller 2 is connected to the column 3 through the mounting components 5.

[0015] The fixing component 4 includes a threaded rod 41, a washer 42, and a first locking nut 43. Two threaded rods 41 are provided on both the upper and lower sides of the roller frame body 1. One end of each threaded rod 41 is fixed to the column 3. The two corresponding threaded rods 41 pass through the same washer 42 and are threadedly connected to the first locking nut 43. After the first locking nut 43 is tightened, it presses against the washer 42, and the washer 42 presses against the roller frame body 1.

[0016] The limiting roller 2 includes a central shaft 21, an outer cylinder 22, and bearings 23. Two bearings 23 are provided in the outer cylinder 22. The central shaft 21 is located at the center of the outer cylinder 22. The central shaft 21 is fixedly connected to the inner ring of the bearing 23, and the outer ring of the bearing 23 is fixedly connected to the inner wall of the outer cylinder 22.

[0017] Mounting assembly 5 includes mounting plate 51 and second locking nut 52. A fixing plate 32 is fixed to the side wall of column 3, and the fixing plate 32 is fixed to mounting plate 51 by bolts and nuts. Mounting plate 51 has an adjustment hole 511, which is an elongated hole. The length direction of adjustment hole 511 is perpendicular to the conveying direction of belt. Both ends of central shaft 21 are provided with external threads. Central shaft 21 passes through adjustment hole 511 and is threaded to second locking nut 52.

[0018] The position of the central shaft 21 can be adjusted along the length of the adjusting hole 511, thereby adjusting the distance between the limiting roller 2 and the belt. When the outer cylinder 22 of the limiting roller 2 is worn, the outer cylinder 22 can be adjusted to move a certain distance in the direction of the belt, so that the limiting roller 2 can perform better limiting.

[0019] When the limiting roller 2 is severely worn and needs to be replaced, unscrew the second locking nut 52 at the top, remove the bolts connecting the fixing plate 32 and the mounting plate 51, remove the mounting plate 51 at the top, then unscrew the second locking nut 52 at the bottom, remove the limiting roller 2 from the receiving groove 31, replace it with a new limiting roller 2, screw on the second locking nut 52 at the bottom, fix the mounting plate 51 and the fixing plate 32 at the top with bolts and nuts, and then tighten the second locking nut 52 at the top. This utility model uses the column 3 and the mounting assembly 5 to fix the limiting roller 2, facilitating its installation and removal.

[0020] Embodiment 2 of this utility model Reference Figure 5 The difference between this embodiment and Embodiment 1 lies in the structure of the fixing component 4. The fixing component 4 in Embodiment 2 includes a slider 44 and a slide rail 45. The slider 44 is fixed to the side wall of the column 3, and the slide rail 45 is vertically oriented. The bottom of the slide rail 45 is fixedly connected to the roller frame body 1. The slider 44 has a connecting hole 46 through which the slide rail 45 passes, allowing the slider 44 to slide up and down along the slide rail 45. A positioning bolt 47 is provided on the slider 44, and a first positioning hole 441 is provided on the slider 44. Multiple second positioning holes 451 are provided on the slide rail 45, arranged along the height direction of the slide rail 45. The second positioning holes 451 are threaded holes, and the positioning bolt 47 passes through the first positioning hole 441 and is threadedly connected to one of the second positioning holes 451.

[0021] By adjusting the height of slider 44, the height of limit roller 2 can be adjusted. When a certain position of the outer cylinder 22 in limit roller 2 is worn out, the height of limit roller 2 can be adjusted so that it contacts the belt at a different position, thereby increasing the service life of limit roller 2.

[0022] Embodiment 3 of this utility model Reference Figure 6The difference from Embodiment 2 is that the slider 44 is separately arranged from the column 3. Two first connecting blocks 6 are fixed to the two opposite side walls of the column 3, one upper and one lower. A second connecting block 61 is fixed to the side wall of the slider 44, with each first connecting block 6 corresponding to one second connecting block 61. A connecting rod 62 is fixed to the side of the first connecting block 6 near the second connecting block 61, and the connecting rod 62 passes through the second connecting block 61. A spring 63 is fixed between the first connecting block 6 and the second connecting block 61, and the spring 63 is sleeved with the connecting rod 62.

[0023] When the belt deviates, it squeezes the limiting roller 2, causing the column 3 to move towards the slide rail 45. The first connecting block 6 then squeezes the spring 63. Under the elastic force of the spring 63, the limiting roller 2 can move away from the slide rail 45, thereby correcting the belt deviation. The arrangement of the first connecting block 6, the second connecting block 61, and the spring 63 allows the limiting roller 2 to have a certain amount of room to move when squeezed by the belt, reducing the wear of the outer cylinder 22 in the limiting roller 2 and improving the service life of the limiting roller 2.

[0024] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A belt idler roller frame structure, characterized in that: The roller frame includes a main body (1), a column (3) and a limiting roller (2). A support column (11) is fixed at the bottom of the main body (1). A fixing component (4) is provided on the main body (1). The column (3) is fixed on the main body (1) through the fixing component (4). A receiving groove (31) is provided on the side of the column (3) near the belt. The limiting roller (2) is installed in the receiving groove (31). An installation component (5) is provided at both the upper and lower ends of the column (3). The limiting roller (2) is connected to the column (3) through the installation component (5). The limiting roller (2) includes a central shaft (21), an outer cylinder (22) and a bearing (23). The central shaft (21) is located at the center of the outer cylinder (22). The inner ring of the bearing (23) is connected to the central shaft (21), and the outer ring of the bearing (23) is connected to the inner wall of the outer cylinder (22). The mounting assembly (5) includes a mounting plate (51) and a second locking nut (52). A fixing plate (32) is fixed on the side wall of the column (3). The mounting plate (51) is connected to the fixing plate (32). An adjustment hole (511) is opened on the mounting plate (51). The central shaft (21) passes through the adjustment hole (511) and is threadedly connected to the second locking nut (52).

2. The belt idler frame structure according to claim 1, characterized in that: The adjustment hole (511) is an elongated hole, and the length direction of the adjustment hole (511) is set perpendicular to the conveying direction of the belt.

3. The belt idler frame structure according to claim 1 or 2, characterized in that: The fixing component (4) includes a threaded rod (41), a washer (42) and a first locking nut (43). Threaded rods (41) are provided on both the upper and lower sides of the roller frame body (1). The washer (42) is located on the side of the roller frame body (1) away from the column (3). One end of the threaded rod (41) is fixed to the column (3), and the other end of the threaded rod (41) passes through the washer (42) and is threadedly connected to the first locking nut (43).

4. The belt idler frame structure according to claim 1 or 2, characterized in that: The fixing component (4) includes a slider (44) and a slide rail (45). The slider (44) is connected to the side wall of the column (3). The bottom of the slide rail (45) is fixedly connected to the roller frame body (1). The slider (44) has a connecting hole (46) through which the slide rail (45) passes. The slider (44) can slide up and down along the slide rail (45). The slider (44) is provided with a positioning bolt (47). The slider (44) has a first positioning hole (441). The slide rail (45) has multiple second positioning holes (451). The multiple second positioning holes (451) are arranged along the height direction of the slide rail (45). The positioning bolt (47) passes through the first positioning hole (441) and is threadedly connected to one of the second positioning holes (451).

5. The belt idler frame structure according to claim 4, characterized in that: A first connecting block (6) is fixed on each of the two opposite side walls of the column (3), and a second connecting block (61) is fixed on the side wall of the slider (44). Each first connecting block (6) corresponds to a second connecting block (61). A connecting rod (62) is fixed on the side of the first connecting block (6) close to the second connecting block (61). The connecting rod (62) passes through the second connecting block (61). A spring (63) is fixed between the first connecting block (6) and the second connecting block (61). The spring (63) is sleeved with the connecting rod (62).

Images