Variable-groove-angle self-aligning carrier roller support for belt conveyor

Abstract

The utility model discloses a variable groove angle self-aligning carrier roller support for a belt conveyor, which relates to the technical field of belt conveyors and comprises a cross beam and a mounting component, a fixed support is arranged in the middle of the cross beam, a middle roller is rotatably mounted in the fixed support, adjustable supports are fixed on two sides of the cross beam, and the middle roller is rotatably mounted in the middle of the cross beam. A sliding groove with a radian is formed in the front end of the adjustable support, and scale marks are arranged at the rear end of the adjustable support at equal intervals along the arc-shaped edge. According to the groove-angle-variable self-aligning carrier roller support for the belt conveyor, by arranging the mounting assemblies, bearing seats at the ends of side rollers are embedded into grooves formed in the top ends of the side faces of the box body, fastening screws at preset positions penetrate through via holes of bosses and are fixed to threaded seat holes in the two sides of the bearing seats, and therefore the bearing seats are fixed to the box body; the mounting height of the side rollers in the box body can be adjusted, so that the height of the outer side ends of the side rollers at the two supporting positions can be changed, and the inclination angle of the carrier roller in the vertical direction can be changed.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to a variable groove angle automatic centering roller bracket for belt conveyors. Background Art

[0002] The roller group on the belt conveyor is used to support the conveyor belt and the materials carried on the conveyor belt to ensure the stable operation of the conveyor belt. According to the different functions of the roller group, it can be divided into: trough type roller group, trough forward tilting roller group, adjustable trough angle roller group and other types of roller groups. They are set on the belt conveyor to play different roles.

[0003] At present, the commonly used roller groups, each roller group has only a single function. A belt conveyor needs multiple roller groups with different functions to operate normally. Therefore, each belt conveyor is equipped with multiple roller groups. Due to the large variety of roller groups, it is not convenient to design and manufacture, the roller groups have poor interchangeability, and the installation and maintenance costs are high.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a variable groove angle automatic self-aligning roller bracket for a belt conveyor is proposed. Utility Model Content

[0005] The utility model aims to provide a variable groove angle automatic centering roller bracket for a belt conveyor to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a variable groove angle automatic self-aligning roller bracket for a belt conveyor, comprising a crossbeam and an installation assembly, a fixed bracket is arranged in the middle of the crossbeam, and a middle roller is rotatably installed inside the fixed bracket, adjustable brackets are fixed on both sides of the crossbeam, and a sliding groove with an arc is provided at the front end of the adjustable bracket, and scale marks are arranged at equal intervals along the arc edge at the rear end of the adjustable bracket, and the installation assembly is rotatably installed on both sides of the fixed bracket.

[0007] Furthermore, the installation assembly includes a box body, an indicator mark and a swing ear. The side of the box body is provided with an indicator mark, and the indicator mark corresponds to the scale mark at the rear end of the adjustable bracket. The bottom end of the side of the box body is welded and fixed with a swing ear, and the swing ear is rotatably connected to both sides of the fixed bracket.

[0008] Furthermore, the mounting assembly also includes an adjusting screw and a butterfly nut. The adjusting screw is integrally fixed to the side of the box body, and the adjusting screw passes through the other end of the slide slot and is threadedly fixed to the butterfly nut.

[0009] Furthermore, the installation assembly also includes a groove and a boss, the top end of the side surface of the box body is provided with an inwardly recessed groove, and a boss is welded and fixed to the outer side of the groove opening.

[0010] Furthermore, the mounting assembly further comprises through holes and fastening screws, the boss is provided with three through holes at equal intervals along the extension direction, and the through holes are fitted with fastening screws.

[0011] Furthermore, the installation assembly also includes a bearing seat and a threaded seat hole. The bearing seat is embedded in the groove, and threaded seat holes that match the fastening screws are opened on both sides of the bearing seat.

[0012] Furthermore, the installation assembly also includes side rollers, and the side rollers are rotatably installed inside the bearing seat, and the side rollers are symmetrically arranged on both sides of the middle roller.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. When the utility model is in use, the box bodies on both sides with side rollers installed are slidably installed in the slide groove opened at the front end of the adjustable bracket through adjusting screws, and the adjusting screws are passed through the other end of the slide groove and fixed with butterfly nuts through threads. In addition, the indicator marks arranged on both sides of the box body correspond to the scale marks at the rear end of the adjustable bracket, which can accurately locate the inclination angles of the current box body through the swing ears and the two ends of the fixed bracket. The box body cooperates with the slide groove at the front end of the adjustable bracket through the adjusting screws to meet the free adjustment of the roller groove angle within a larger range. When the box body is in the middle of the slide groove, the two side rollers and the middle roller are in the same plane and no forward tilt angle is generated. At this time, it has the function of a groove-type roller group. When the box body is in the front of the slide groove, the two side rollers and the middle roller form an angle in the horizontal plane to generate a forward tilt angle. At this time, it has the function of a groove-type forward tilt roller group.

[0015] 2. In the utility model, through the setting of the installation component, the bearing seat at the end of the side roller is embedded in the groove opened at the top of the side surface of the box body. By passing the fastening screws at the preset position through the through holes of the boss and fixing them to the threaded seat holes on both sides of the bearing seat, the installation height of the side roller in the box body can be adjusted. In this way, the height of the outer ends of the two side rollers can also be changed, thereby changing the inclination angle of the roller in the vertical direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front view structure of the adjustable bracket of the utility model;

[0018] Figure 3 This is a schematic diagram of the exploded structure of the installation assembly of the utility model.

[0019] In the figure: 1. crossbeam; 2. fixed bracket; 3. middle roller; 4. adjustable bracket; 5. slide groove; 6. scale mark; 7. installation assembly; 701. box body; 702. indicator mark; 703. swing ear; 704. adjusting screw; 705. butterfly nut; 706. groove; 707. boss; 708. through hole; 709. fastening screw; 710. bearing seat; 711. threaded seat hole; 712. side roller. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] like Figure 1 to Figure 2 As shown, a variable groove angle automatic self-aligning roller bracket for a belt conveyor is provided, a fixed bracket 2 is provided in the middle of the crossbeam 1, and a middle roller 3 is rotatably installed inside the fixed bracket 2, adjustable brackets 4 are fixed on both sides of the crossbeam 1, and a sliding groove 5 with an arc is provided at the front end of the adjustable bracket 4, and scale marks 6 are provided at equal intervals along the arc edge at the rear end of the adjustable bracket 4, and the box bodies 701 on both sides with side rollers 712 installed are slidably installed in the sliding groove 5 provided at the front end of the adjustable bracket 4 through adjusting screws 704, and the other end of the adjusting screw 704 is passed through the sliding groove 5 and is threadedly fixed with a butterfly nut 705, in addition, the indicator marks 702 provided on both sides of the box body 701 correspond to the scale marks 6 at the rear end of the adjustable bracket 4, and the current box body 701 can accurately locate the inclination angles of both ends of the fixed bracket 2 through the swing ears 703, and the box body 701 cooperates with the sliding groove 5 at the front end of the adjustable bracket 4 through the adjusting screw 704 to meet the free adjustment of the roller groove angle within a larger range;

[0022] like Figure 3As shown, the mounting assembly 7 is rotatably mounted on both sides of the fixed bracket 2. The mounting assembly 7 includes a box body 701, an indicator mark 702 and a swing ear 703. The side of the box body 701 is provided with an indicator mark 702, and the indicator mark 702 corresponds to the scale mark 6 at the rear end of the adjustable bracket 4. The bottom end of the side of the box body 701 is welded and fixed with a swing ear 703, and the swing ear 703 is rotatably connected to the two sides of the fixed bracket 2. The mounting assembly 7 also includes an adjusting screw 704 and a butterfly nut 705. The side of the box body 701 is integrally fixed with an adjusting screw 704, and the other end of the adjusting screw 704 passes through the slide groove 5 and is threadedly fixed with the butterfly nut 705. The mounting assembly 7 also includes a groove 706 and a boss 707. The top end of the side of the box body 701 is provided with an inwardly concave groove 706, and the outer side of the opening of the groove 706 is welded and fixed with a boss 707. The mounting assembly 7 also includes a through hole 708 and a fastening screw 709. The boss 707 is equidistant along the extension direction. Three through holes 708 are opened at a distance, and fastening screws 709 are matched inside the through holes 708. The installation component 7 also includes a bearing seat 710 and a threaded seat hole 711. The bearing seat 710 is embedded in the groove 706, and threaded seat holes 711 matching with the fastening screws 709 are opened on both sides of the bearing seat 710. The installation component 7 also includes side rollers 712. Side rollers 712 are rotatably installed inside the bearing seat 710, and the side rollers 712 are symmetrically arranged on both sides of the middle roller 3. The bearing seats 710 at the ends of the side rollers 712 are embedded in the grooves 706 opened at the top end of the side of the box body 701. By passing the fastening screws 709 in the preset position through the through holes 708 of the boss 707 and fixing them with the threaded seat holes 711 on both sides of the bearing seat 710, the installation height of the side rollers 712 in the box body 701 can be adjusted. In this way, the height of the outer ends of the two side rollers 712 can also be changed, thereby changing the inclination angle of the vertical roller.

[0023] Working principle: When using this variable groove angle automatic self-aligning roller bracket for belt conveyor, the box bodies 701 on both sides with side rollers 712 installed are slidably installed in the slide groove 5 opened at the front end of the adjustable bracket 4 through the adjusting screw 704, and the other end of the adjusting screw 704 is passed through the slide groove 5 and is threadedly fixed with the butterfly nut 705. In addition, the indicator marks 702 set on both sides of the box body 701 correspond to the scale marks 6 at the rear end of the adjustable bracket 4, which can accurately locate the inclination angle of the current box body 701 at both ends of the fixed bracket 2 through the swing ear 703. The box body 701 cooperates with the slide groove 5 at the front end of the adjustable bracket 4 through the adjusting screw 704 to meet the free adjustment of the roller groove angle within a larger range. When the box body 701 is in the middle of the slide groove 5, the two sides The roller 712 and the middle roller 3 are in the same plane and do not produce a forward tilt angle. At this time, it has the function of a groove-type roller group. When the box body 701 is in front of the slide groove 5, the two side rollers 712 and the middle roller 3 form an angle in the horizontal plane, producing a forward tilt angle. At this time, it has the function of a groove-type forward tilt roller group. In addition, the bearing seat 710 at the end of the side roller 712 is embedded in the groove 706 opened at the top of the side surface of the box body 701. By passing the fastening screws 709 in the preset position through the through holes 708 of the boss 707 and fixing them to the threaded seat holes 711 on both sides of the bearing seat 710, the installation height of the side rollers 712 in the box body 701 can be adjusted. In this way, the height of the outer ends of the two side rollers 712 can also be changed, thereby changing the inclination angle of the rollers in the vertical direction.

[0024] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A variable groove angle automatic self-aligning roller support for a belt conveyor, characterized in that: The invention comprises a crossbeam (1) and a mounting assembly (7), wherein a fixed bracket (2) is arranged in the middle of the crossbeam (1), and a middle roller (3) is rotatably mounted inside the fixed bracket (2), and adjustable brackets (4) are fixed on both sides of the crossbeam (1), and a sliding groove (5) with an arc is provided at the front end of the adjustable bracket (4), and scale marks (6) are arranged at equal intervals along the arc edge at the rear end of the adjustable bracket (4), and the mounting assembly (7) is rotatably mounted on both sides of the fixed bracket (2).

2. The variable groove angle automatic centering roller support for belt conveyor according to claim 1 is characterized in that: The mounting assembly (7) comprises a box body (701), an indicator mark (702) and a swing ear (703); the box body (701) is provided with an indicator mark (702) on the side thereof, and the indicator mark (702) corresponds to a scale mark (6) at the rear end of the adjustable bracket (4); the box body (701) is welded and fixed with a swing ear (703) at the bottom end of the side thereof, and the swing ear (703) is rotatably connected to both sides of the fixed bracket (2).

3. The variable groove angle automatic centering roller support for belt conveyor according to claim 2, characterized in that: The mounting assembly (7) further comprises an adjusting screw (704) and a butterfly nut (705); the adjusting screw (704) is integrally fixed to the side of the box body (701), and the adjusting screw (704) passes through the slide groove (5) and is threadedly fixed to the butterfly nut (705) at the other end.

4. The variable groove angle automatic centering roller support for belt conveyor according to claim 3 is characterized in that: The mounting assembly (7) further comprises a groove (706) and a boss (707); the top end of the side surface of the box body (701) is provided with an inwardly recessed groove (706), and a boss (707) is welded and fixed to the outer side of the opening of the groove (706).

5. The variable groove angle automatic centering roller support for belt conveyor according to claim 4, characterized in that: The mounting assembly (7) further comprises through holes (708) and fastening screws (709); the boss (707) is provided with three through holes (708) at equal intervals along the extension direction, and the through holes (708) are provided with fastening screws (709) inside.

6. The variable groove angle automatic centering roller support for belt conveyor according to claim 5, characterized in that: The mounting assembly (7) further comprises a bearing seat (710) and a threaded seat hole (711); the bearing seat (710) is embedded in the groove (706), and threaded seat holes (711) matching with the fastening screws (709) are provided on both sides of the bearing seat (710).

7. The variable groove angle automatic centering roller support for belt conveyor according to claim 6, characterized in that: The mounting assembly (7) further comprises side rollers (712), the side rollers (712) being rotatably mounted inside the bearing seat (710), and the side rollers (712) are symmetrically arranged on both sides of the middle roller (3).

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