CN217625896U - Lower aligning carrier roller mechanism - Google Patents
Lower aligning carrier roller mechanism Download PDFInfo
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- CN217625896U CN217625896U CN202222303785.2U CN202222303785U CN217625896U CN 217625896 U CN217625896 U CN 217625896U CN 202222303785 U CN202222303785 U CN 202222303785U CN 217625896 U CN217625896 U CN 217625896U
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Abstract
The utility model relates to a belt conveyor technical field especially relates to a lower centring idler mechanism, includes: a base; the central position of the beam is rotationally connected with the base; the aligning carrier roller group comprises two symmetrically arranged aligning rollers, the two aligning rollers are rotatably arranged on the cross beam, and the outer ends of the two aligning rollers are of horn-shaped structures; wherein, the both ends position department of crossbeam bottom has the gyro wheel that rotates the setting, and the axial slope of gyro wheel sets up, and the base both ends still dispose two arc tracks that match with two gyro wheels, and the rolling surface of the biggest department of gyro wheel diameter is 45 degrees with the contained angle of horizontal plane. This openly through the slope gyro wheel that sets up in the crossbeam bottom for the rolling surface of gyro wheel personally submits 45 degrees with the orbital contact surface of arc, and then has reduced the frictional force between gyro wheel and the arc track, compares with prior art, has not only guaranteed the bearing capacity of crossbeam, has more improved down the sensitivity of aligning bearing roller mechanism.
Description
Technical Field
The disclosure relates to the technical field of belt conveyors, in particular to a lower centering idler mechanism.
Background
The lower centering carrier roller mechanism is mainly used for preventing a conveying belt from deviating, mainly comprises a cross beam and a carrier roller rotatably arranged on the cross beam, wherein two ends of the carrier roller are conical, and the cross beam deflects at a certain angle when the conveying belt deviates through the conical arrangement of the two ends, so that the conveying belt is restored to the original position;
in the related art, the crossbeam is rotatably arranged on the base through the rotating shaft and the bearing, however, the bearing capacity of the crossbeam with the structure is limited, and the bearing is easy to damage;
the information disclosed in this background section is only for enhancement of understanding of the general background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of at least one of above technical problem, this disclosure provides a lower aligning bearing roller mechanism, adopts the cooperation of the gyro wheel that crossbeam bottom slope set up and arc orbital, realizes the contact of gyro wheel and arc orbital inclined plane to reduce the frictional force of gyro wheel, improve aligning bearing roller mechanism's adjustment sensitivity down.
According to a first aspect of the present disclosure, there is provided a lower centering idler mechanism comprising:
a base;
the beam is arranged in parallel with the base, and the central position of the beam is rotatably connected with the base;
the aligning carrier roller group comprises two symmetrically arranged aligning rollers, the two aligning rollers are rotatably arranged on the cross beam, and the outer ends of the two aligning rollers are horn-shaped structures;
the two ends of the bottom of the cross beam are provided with rollers which are rotatably arranged, the rollers are axially inclined, the two ends of the base are also provided with two arc-shaped rails matched with the two rollers, and the included angle between the rolling surface at the maximum diameter of each roller and the horizontal plane is 45 degrees.
In some embodiments of the present disclosure, the roller has a symmetrical tapered structure in cross section, and the maximum diameter position of the roller is located at an intermediate position.
In some embodiments of the present disclosure, the side walls of the roller at the two sides of the maximum diameter are respectively arranged horizontally and vertically.
In some embodiments of the present disclosure, a side of the cross section of the arc rail facing the roller includes a horizontal surface contacting a horizontal sidewall of the roller, an inclined surface contacting a vertical sidewall of the roller, and a vertical surface contacting a maximum diameter of the roller.
In some embodiments of the present disclosure, the roller includes a first cone wheel, a second cone wheel, and a thrust bearing disposed therebetween, which are symmetrically disposed.
In some embodiments of the present disclosure, the arc-shaped tracks are arranged by taking the distance from the roller to the center of the beam as a radius, and the ends of the two arc-shaped tracks are provided with stoppers.
In some embodiments of the present disclosure, the base further has a bearing seat thereon, and the cross beam has a rotating shaft thereon, and the rotating shaft is inserted into the bearing seat and is rotatably connected with the bearing seat.
In some embodiments of the present disclosure, the cross beam is an angle steel with a downward opening, the bearing seat is further provided with a limiting member, the limiting member extends into the angle steel, and the shape extending into the angle steel is a triangle, so as to limit the rotation angle of the cross beam.
In some embodiments of the present disclosure, the cross beam further has a carrier roller support, the carrier roller support includes an intermediate connection table and two side support tables, and the intermediate connection table is formed by bending a steel plate.
In some embodiments of the present disclosure, the aligning roller is a split structure, and the trumpet-shaped portion and the remaining straight cylinder portion are rotatably disposed with each other.
The beneficial effect of this disclosure does: this openly is through the slope gyro wheel that sets up in the crossbeam bottom for 45 degrees are personally submitted with the orbital contact surface of arc to the rolling surface of gyro wheel, and then have reduced the frictional force between gyro wheel and the arc track, compare with prior art, have not only guaranteed the bearing capacity of crossbeam, have more improved down the sensitivity of aligning bearing roller mechanism.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present disclosure, the drawings used in the embodiments or technical solutions of the present disclosure will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a lower centering idler mechanism in an embodiment of the present disclosure;
FIG. 2 is an enlarged view of a portion of FIG. 1 in an embodiment of the disclosure;
FIG. 3 is a cross-sectional view of a lower centering idler mechanism in an embodiment of the present disclosure;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B in an embodiment of the disclosure;
FIG. 5 is a schematic perspective view of a lower centering idler mechanism according to an embodiment of the present disclosure;
FIG. 6 is an enlarged view of a portion of FIG. 4 at C in an embodiment of the disclosure;
fig. 7 is a schematic perspective view of a cross beam in an embodiment of the disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the embodiments described are only some embodiments of the present disclosure, rather than all embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used in the description of the disclosure herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 7, the lower aligning idler mechanism includes a base 10, a cross beam 20 and an aligning idler group 30, wherein:
the base 10 is used for supporting and fixing the whole mechanism;
the beam 20 is arranged in parallel with the base 10, and the central position of the beam 20 is rotatably connected with the base 10; the parallel is that the plane of the beam 20 in the length direction is parallel to the plane of the base 10; the rotary connection has various forms, such as a bearing connection;
the aligning carrier roller group 30 comprises two symmetrically arranged aligning rollers which are rotatably arranged on the cross beam 20, and the outer ends of the two aligning rollers are horn-shaped structures; as shown in fig. 1, with the arrangement of the horn-shaped structure, when the conveyer belt on the aligning carrier roller group 30 deviates, due to the arrangement of the horn-shaped structure, the resistance applied to the deviating side of the aligning carrier roller group 30 becomes large, and then the cross beam 20 is driven to deviate to a certain extent, so that the conveyer belt deviates towards the opposite direction, and the aligning roller is uniformly stressed and automatically returns to the right after returning;
in the embodiment of the present disclosure, as shown in fig. 1 and fig. 2, the two ends of the bottom of the cross beam 20 are provided with rollers 40 that are rotatably disposed, the rollers 40 are axially disposed in an inclined manner, two ends of the base 10 are further provided with two arc-shaped tracks 50 that are matched with the two rollers 40, and an included angle between a rolling surface at the position where the diameter of the roller 40 is the largest and a horizontal plane 51 is 45 degrees. Through the arrangement of the inclined roller 40 and the arc-shaped track 50, the contact surface of the roller 40 and the track is always kept on the arc-shaped track 50 when moving, the roller 40 does not need to generate angular deviation, and the friction force between the roller 40 and the arc-shaped track 50 is further reduced;
in the above embodiment, the inclined roller 40 is arranged at the bottom of the cross beam 20, so that the contact surface of the roller 40 and the arc-shaped track 50 is at 45 degrees, and further the friction force between the roller 40 and the arc-shaped track 50 is reduced.
Further, in the disclosed embodiment, in order to improve the stability of the rotation of the roller 40, as shown in fig. 4, the roller 40 has a cross section in a symmetrical conical structure, and the maximum diameter position of the roller 40 is located at a middle position. Referring to fig. 4, in the embodiment of the present disclosure, the sidewalls of the roller 40 at the two sides of the maximum diameter are respectively disposed horizontally and vertically. And the side of the cross section of the arc-shaped rail 50 facing the roller 40 includes a horizontal surface 51, an inclined surface 52 and a vertical surface 53, the horizontal surface 51 is in contact with the horizontal side wall of the roller 40, the vertical surface 53 is in contact with the vertical side wall of the roller 40, and the inclined surface 52 is in contact with the maximum diameter of the roller 40. Through the arrangement, the roller 40 can not only provide support in the inclined direction, but also play a role in supporting in the horizontal and vertical directions, and the reliability of the lower centering idler mechanism is further improved.
In the disclosed embodiment, in order to ensure the reliability of the roller 40 when the conveyor belt is subjected to a large pressure, the roller 40 is provided in a split type, as shown in fig. 4, the roller 40 includes a first cone pulley 41, a second cone pulley 42, and a thrust bearing 43 disposed therebetween, which are symmetrically disposed. Through the arrangement, the first cone pulley 41 on the upper side and the second cone pulley 42 on the lower side rotate at different rotating speeds when rotating, and the use reliability of the roller 40 is further ensured.
In the disclosed embodiment, in order to prevent the roller 40 from derailing, as shown in fig. 5, the arc rails 50 are arranged with a radius from the roller 40 to the center of the beam 20, and the ends of the two arc rails 50 have stoppers 54. The stop block 54 may be welded directly to the end of the arcuate rail 50 or may be attached to the arcuate rail 50 by fasteners such as bolts; through the setting of above-mentioned mode, can prevent that gyro wheel 40 from droing from the track, improve bearing roller mechanism's reliability.
In the embodiment of the present disclosure, as shown in fig. 6, the base 10 further has a bearing seat 11 on the base 10, and the cross beam 20 has a rotating shaft 21 thereon, and the rotating shaft 21 is inserted into the bearing seat 11 and is rotatably connected with the bearing seat 11. The rotary connection here also includes various forms, for example, the connection may be through a bearing, the inner ring of the bearing is connected with the outer diameter of the rotating shaft 21, and the outer ring of the bearing is fixedly connected with the inner wall of the bearing seat 11; or steel ball grooves can be directly arranged at the bottom and the periphery of the bearing seat 11, and then steel balls are arranged in the grooves to form steel ball support for rotating the rotating shaft 21;
as shown in fig. 7, in order to further limit the rotation angle of the cross beam 20, in the embodiment of the present disclosure, the cross beam 20 is an angle steel with a downward opening, the bearing seat 11 further has a limiting member 11a, and the limiting member 11a extends into the angle steel, and the shape of the extending into the angle steel is triangular for limiting the rotation angle of the cross beam 20. Here, as shown in fig. 7, the cross section of the portion of the stopper 11a protruding into the angle iron is triangular, and the size of the triangular portion is smaller than that of the inner wall of the angle iron, and by this arrangement, when the moving angle is too large, the side wall of the triangle comes into contact with the inner wall of the cross member 20, thereby further restricting the rotation angle of the cross member 20.
With continued reference to fig. 7, in the embodiment of the present disclosure, the specific supporting form of the aligning carrier roller group 30 is: the beam 20 is also provided with a carrier roller bracket, the carrier roller bracket comprises a middle connecting platform 22a and two side supporting platforms 22b, and the middle connecting platform 22a is formed by bending a steel plate. Support two bearing rollers simultaneously through intermediate junction platform 22a to because intermediate junction platform 22a is by the fashioned setting of steel sheet bending, make intermediate junction platform 22a have certain elasticity, and if equipment receives too big impact force, make the whole easier deformation of steel sheet through bending of steel sheet, thereby through intermediate junction platform 22 a's deformable setting mode, protected self-aligning roller and whole mechanism.
In the embodiment of the present disclosure, in order to reduce uneven stress on the idler when the center idler set 30 changes the angle adjustment, as shown in fig. 1 and 7, the center idler is in a split structure, and the trumpet-shaped portion and the remaining straight cylinder portion are rotatably disposed with each other. Like this, through horn-shaped structure and the setting of other straight tube-shape part components of a whole that can function independently, realized horn-shaped structure and straight tube-shape structure's asynchronous rotation, like this, at the in-process that the conveyer belt was adjusted, can realize the very fast and slow adjustment of inside rotational speed of edge rotational speed, adjusted to straight tube-shape part and carry out synchronous rotation until the conveyer belt, through the setting of above-mentioned mode, not only regulation efficiency is high, can improve the use reliability of aligning bearing roller group 30 moreover.
It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for illustrating the principles of the disclosure, and that various changes and modifications may be made within the scope of the disclosure as claimed without departing from the spirit and scope of the disclosure. The scope of the disclosure is defined by the appended claims and equivalents thereof.
Claims (10)
1. A lower centering idler mechanism, comprising:
a base;
the beam is arranged in parallel with the base, and the central position of the beam is rotatably connected with the base;
the aligning carrier roller group comprises two symmetrically arranged aligning rollers, the two aligning rollers are rotatably arranged on the cross beam, and the outer ends of the two aligning rollers are horn-shaped structures;
the rolling device comprises a base, a cross beam, rollers and a base, wherein the rollers are rotatably arranged at two ends of the bottom of the cross beam, the rollers are axially inclined, two arc-shaped rails matched with the two rollers are further arranged at two ends of the base, and an included angle between a rolling surface at the position with the largest diameter of each roller and the horizontal plane is 45 degrees.
2. The lower centering roller mechanism of claim 1, wherein the cross-section of the roller is a symmetrical conical structure, and the maximum diameter position of the roller is at a middle position.
3. The lower centering roller mechanism of claim 2, wherein the side walls of the roller at the two sides of the maximum diameter are respectively arranged horizontally and vertically.
4. The lower centering idler mechanism of claim 3 wherein a side of a cross section of said arcuate track facing said roller includes a horizontal surface contacting a horizontal sidewall of said roller, an inclined surface contacting a vertical sidewall of said roller, and an upright surface contacting a maximum diameter of said roller.
5. The lower centering idler mechanism of claim 4, wherein said rollers include a first cone and a second cone symmetrically disposed and a thrust bearing disposed therebetween.
6. The lower centering idler mechanism of claim 1 wherein said arcuate tracks are disposed at a radius from said roller to the center of said beam and wherein said arcuate tracks have stops at the ends thereof.
7. The lower centering roller mechanism of claim 1, wherein the base further comprises a bearing seat, and the cross beam comprises a rotating shaft inserted into the bearing seat and rotatably connected to the bearing seat.
8. The lower centering roller mechanism as claimed in claim 7, wherein the cross beam is an angle steel with a downward opening, the bearing seat further has a limiting member, the limiting member extends into the angle steel, and the shape of the limiting member extending into the angle steel is triangular, so as to limit the rotation angle of the cross beam.
9. The lower centering idler mechanism according to claim 8, wherein an idler support is further provided on the cross beam, the idler support includes a middle connection table and two side support tables, and the middle connection table is formed by bending a steel plate.
10. The lower centering idler mechanism according to claim 1, wherein the centering rollers are of a split structure, and the trumpet-shaped portion and the remaining straight cylinder portion are rotatably arranged with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222303785.2U CN217625896U (en) | 2022-08-31 | 2022-08-31 | Lower aligning carrier roller mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222303785.2U CN217625896U (en) | 2022-08-31 | 2022-08-31 | Lower aligning carrier roller mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217625896U true CN217625896U (en) | 2022-10-21 |
Family
ID=83636694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222303785.2U Active CN217625896U (en) | 2022-08-31 | 2022-08-31 | Lower aligning carrier roller mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217625896U (en) |
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2022
- 2022-08-31 CN CN202222303785.2U patent/CN217625896U/en active Active
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