Sunken groove type carrier roller

Abstract

The utility model relates to the field of belt conveyors, and discloses a sunken groove type carrier roller which comprises a carrier roller set for bearing a conveying belt and a carrier roller frame for installing the carrier roller set, the carrier roller frame is arranged between middle frames and detachably and fixedly connected with the middle frames, and after the carrier roller frame is detached, the carrier roller frame sinks to drive the carrier roller set to be separated from the conveying belt. The carrier roller replacing device has the advantages that a crowbar is not needed when the carrier roller is replaced, manpower and material resources can be greatly saved, labor intensity is reduced, damage of the crowbar to a conveying belt is avoided, carrier roller replacing efficiency is high, and convenience and effectiveness are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of belt conveyer, especially to sunken groove type carrier roller. BACKGROUND

[0002] At present, as the key bearing component, the carrier roller group bears the important function of supporting the conveying belt and the material. Due to long-term bearing of dynamic load, material impact and environmental erosion, the carrier roller assembly of the carrier roller group generally has the problems of short service life, easy occurrence of roller shaft blockage or sealing failure and the like, and needs to be frequently replaced.

[0003] The current industry mainly adopts manual intervention mode for the replacement operation of the faulty carrier roller: the operating personnel need to forcibly lift the conveying belt covered above the carrier roller group by means of simple tools such as crowbars to replace the carrier roller through the temporary operation space. However, the reaction force generated by the elastic deformation of the conveying belt leads to high labor intensity of lifting operation, poor operation stability and low replacement efficiency; the direct contact between the metal crowbar tool and the rubber layer of the conveying belt is easy to cause irreversible damage such as surface scratch and internal steel core exposure. SUMMARY

[0004] In order to overcome the problems in the above background art, the utility model provides a sunken groove type carrier roller, which is characterized in that a carrier roller frame is detachably fixedly connected with the intermediate frame. When the carrier roller needs to be replaced, the carrier roller frame is detached, so that the carrier roller frame sinks to drive the carrier roller group to separate from the conveying belt. The carrier roller can be replaced without using a crowbar, which greatly saves manpower and material resources, reduces labor intensity, avoids damage to the conveying belt caused by the crowbar, and has the beneficial effects of high replacement efficiency, convenience and effectiveness.

[0005] The technical scheme of the utility model is as follows:

[0006] The sunken groove type carrier roller comprises a carrier roller group for bearing the conveying belt and a carrier roller frame for mounting the carrier roller group. The carrier roller frame is arranged between the intermediate frames and is detachably fixedly connected with the intermediate frames. After the carrier roller frame is detached, the carrier roller frame sinks to drive the carrier roller group to separate from the conveying belt.

[0007] Compared with the prior art, the beneficial effects of the technical scheme are as follows:

[0008] The carrier roller frame is detachably fixedly connected with the intermediate frame. When the carrier roller needs to be replaced, the carrier roller frame is detached, so that the carrier roller frame sinks to drive the carrier roller group to separate from the conveying belt. The carrier roller can be replaced without using a crowbar, which greatly saves manpower and material resources, reduces labor intensity, avoids damage to the conveying belt caused by the crowbar, and has the beneficial effects of high replacement efficiency, convenience and effectiveness.

[0009] Preferably, the carrier roller frame is connected with the intermediate frame through a carrier roller base, and the carrier roller frame can move up and down along the side surface of the carrier roller base.

[0010] Further preferably, the roller frame comprises a roller crossbeam horizontally arranged between the intermediate frames, and two ends of the roller crossbeam are respectively fixed with a connecting seat, which is parallel to the side surface of the roller base.

[0011] The beneficial effects are that the roller crossbeam is used to support the roller group, the connecting seat is parallel to the side surface of the roller base, and can move up and down along the side surface of the roller base, so that the roller group is lowered away from the conveying belt by the roller crossbeam to replace the roller.

[0012] Further preferably, symmetrical long holes are arranged vertically on both sides of the connecting seat, and the side surface of the roller base is respectively provided with a mounting hole matched with the corresponding long hole, the mounting hole can be connected with different positions of the long hole, and a fastener horizontally penetrates the corresponding long hole and the mounting hole to connect the two.

[0013] The beneficial effects are that when the roller group normally supports the conveying belt, the mounting hole is fixedly connected with the lowest part of the corresponding long hole to maintain the connection stability of the entire roller frame, and when the roller needs to be replaced, the roller frame is lowered to a fixed position, the mounting hole is fixedly connected with the highest part of the corresponding long hole, and the roller frame and the roller base are fixed before replacing the roller to improve the safety and stability when replacing the roller.

[0014] Further preferably, the top of the connecting seat is outwardly bent to form a bent portion, the top surface of the bent portion is fixed with an edge support column, and the middle of the roller crossbeam is fixed with a middle support column, and the roller group is installed on the edge support column and the middle support column.

[0015] The beneficial effects are that the edge support column and the middle support column are used to directly install the roller group.

[0016] Further preferably, the cross section of the roller base is a groove-shaped structure, the groove opening is outward, and the bottom surface is detachably fixedly connected with the surface of the intermediate frame through two groups of fasteners; the surface of the bent portion is respectively provided with a connecting hole on both sides, and the fastener respectively penetrates the corresponding connecting hole and extends downward to pass through the top surface of the roller base to fixedly connect the connecting seat and the roller base.

[0017] The beneficial effects are that the connecting seat and the intermediate frame are connected into an integrated structure through the roller base, and when the roller is replaced, the connecting seat can sink along the roller base to make the roller group separate from the conveying belt.

[0018] Further preferably, a roller support is arranged between the top surface of the bent portion and the roller base, and the upper and lower ends of the roller support are respectively detachably fixedly connected with the top surface of the bent portion and the roller base through fasteners.

[0019] The beneficial effect is that: by arranging a set of fasteners on both sides of the top surface of the connecting seat, the top of the connecting seat and the carrier roller base can be stably connected through the fasteners, and the carrier roller base can support the connecting seat through the fasteners, thereby improving the support stability of the entire carrier roller frame.

[0020] Further preferably, the cross section of the carrier roller support is a groove-shaped structure with the groove opening outward, and the carrier roller support is embedded in the connecting seat and connected with the connecting seat, and the upper and lower ends thereof are connected through two sets of fasteners.

[0021] The beneficial effect is that: the arrangement of the carrier roller support further enhances the connection stability between the top of the connecting seat and the carrier roller base, and the carrier roller base can further fix and support the connecting seat through the carrier roller support, thereby improving the support performance of the entire carrier roller frame.

[0022] Further preferably, a plurality of reinforcing rib plates are arranged in the grooves of the carrier roller support and the carrier roller base, and the upper and lower ends of the reinforcing rib plates are connected to the top surface and the bottom surface of the carrier roller support and the carrier roller base, respectively.

[0023] The beneficial effect is that: the reinforcing rib plates can improve the support strength of the carrier roller support and the carrier roller base.

[0024] Further preferably, the spacing distance between the top of the connecting seat and the top surface of the carrier roller base is in the range of 270mm-290mm.

[0025] The beneficial effect is that: the height range does not affect the normal support and guiding effect of the carrier roller frame on the conveying belt through the carrier roller group, and can also make the carrier roller frame sink to an appropriate height, so that there is enough distance between the carrier roller frame and the bottom of the conveying belt, which facilitates the replacement of the carrier roller. BRIEF DESCRIPTION OF DRAWINGS

[0026] The present utility model will be explained in the manner of referring to the drawings, wherein:

[0027] Fig. 1 It is a front view of the present utility model arranged on the middle frame;

[0028] Fig. 2 It is a side view of the present utility model (not including the middle frame).

[0029] Reference signs: carrier roller cross beam 11, connecting seat 12, long hole 121, bent part 122, connecting hole 123, side support column 13, middle support column 14, middle frame 2, conveying belt 21, middle carrier roller 22, side carrier roller 23, clamping groove 24, carrier roller base 4, mounting hole 41, carrier roller support 5, reinforcing rib plate 6. DETAILED DESCRIPTION

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0031] Example 1: As Figs. 1-2 The illustrated sunken trough-type idler includes an idler group that supports the conveyor belt 21 and an idler frame for mounting the idler group. The idler group includes several idlers that support the conveyor belt 21. The idler frame is provided in several groups. All idler frames are evenly arranged along the length of the intermediate frame 2. Each group of idler frames is arranged between the two intermediate frames 2 and is located above the intermediate frame 2 and is detachably fixed to it. When it is necessary to replace the idler in the idler group, the fasteners in the idler frame are removed, and the idler frame can sink between the intermediate frames 2. At this time, the idler group can sink with the idler frame and detach from the conveyor belt 21, maintaining a certain distance from the bottom surface of the conveyor belt 21, which is convenient for construction personnel to replace the idlers in the idler group.

[0032] Therefore, by setting up a roller frame that is detachably and fixedly connected to the intermediate frame 2, when it is necessary to replace the roller, the roller frame is disassembled, causing the roller frame to sink and drive the roller group to detach from the conveyor belt 21. This has the beneficial effects of not needing to use a pry bar when replacing the roller, greatly saving manpower and material resources, reducing labor intensity, avoiding damage to the conveyor belt 21 by the pry bar, and making the replacement of the roller efficient, convenient and effective.

[0033] Example 2: Based on Example 1, the connection method of the roller frame is optimized. The roller frame is connected to the intermediate frame 2 through the roller base 4, and the roller frame can move up and down along the side of the roller base 4.

[0034] Specifically, the idler frame includes an idler beam 11 horizontally arranged between the intermediate frames 2. Connecting seats 12 are welded to both ends of the idler beam 11, and the connecting seats 12 are connected parallel to the side of the idler base 4. For example... Fig. 2 As shown, the connecting seat 12 is a vertically arranged steel plate structure. The lower part of the steel plate surface of the connecting seat 12 is perpendicular to the idler beam 11. The connecting seat 12 is located between two idler bases 4 and is parallel to the side of the corresponding idler base 4. The idler beam 11 is used to support the idler group. Since the connecting seat 12 is parallel to the side of the idler base 4, it can move up and down along the side of the idler base 4. The idler beam 11 drives the idler group to sink away from the conveyor belt 21 for idler replacement.

[0035] Preferred, such as Fig. 2As shown, the left and right sides of the plate surface of the connecting seat 12 are respectively provided with vertically arranged long holes 121, and the two long holes 121 are symmetrically arranged along the center line of the connecting seat 12. The left and right sides of the side surface of the carrier roller base 4 are also respectively provided with mounting holes 41 corresponding to the long holes 121. The mounting holes 41 are connected with the corresponding long holes 121, the connecting seat 12 can move up and down along the side surface of the carrier roller base 4, and the mounting holes 41 can be connected with different positions of the long holes 121. The fasteners horizontally pass through the corresponding long holes 121 and mounting holes 41 to fixedly connect the two, and the fasteners can be selected as bolts and nuts matched with the connection. When the carrier roller group normally supports the conveying belt 21, the mounting holes 41 are fixedly connected with the lowest part of the corresponding long holes 121, so as to maintain the connection stability of the entire carrier roller frame. When the carrier roller needs to be replaced, the carrier roller frame is sunk to the fixed position, the mounting holes 41 are fixedly connected with the highest part of the corresponding long holes 121, and the carrier roller frame is fixed with the carrier roller base 4 before replacing the carrier roller, so as to improve the safety and stability when replacing the carrier roller. The length of the long hole 121 is matched with the sinking distance of the carrier roller frame.

[0036] Further preferably, the top of the connecting seat 12 is outwardly bent to form a bent portion 122, and the top surface of the bent portion 122 is fixed with a side support column 13. The middle part of the carrier roller cross beam 11 is fixed with two middle support columns 14, and the carrier roller group is installed on the side support column 13 and the middle support column 14. The side support column 13 and the middle support column 14 are used for directly installing the carrier roller group. Fig. 1 As shown, the present embodiment carrier roller group includes three carrier rollers, which are arranged in a "pin" shape on both sides of the carrier roller cross beam 11 and are arranged in parallel with the carrier roller cross beam 11. The three carrier rollers include a horizontally arranged middle carrier roller 22 and two obliquely arranged side carrier rollers 23. The middle carrier roller 22 is arranged on one side of the carrier roller cross beam 11, and the two side carrier rollers 23 are arranged on the other side of the carrier roller cross beam 11. The two side carrier rollers 23 are symmetrically arranged, and the roller shafts of the carrier rollers are clamped in the clamping grooves 24 at the top of the side support column 13 or the middle support column 14. The three carrier rollers together constitute a groove type carrier roller group. The bottom of the connecting seat 12 is bent towards the carrier roller cross beam 11 and is welded and fixed below the end part of the carrier roller cross beam 11.

[0037] In the above embodiment, the structure of the roller base 4 is preferably designed as follows: the roller base 4 is a groove-shaped structure formed by bending a steel plate, and its cross section is also groove-shaped, and the groove opening of the roller base 4 faces outward, and the side surface and the bottom surface of the roller base 4 are respectively detachably fixedly connected with the lower part of the connecting seat 12 and the surface of the intermediate frame 2 by two groups of fasteners, that is, the fasteners are used to connect the roller base 4 and the connecting seat 12 by penetrating the mounting holes 41 in the side surface of the roller base 4 and the long holes 121 in the connecting seat 12, and the fasteners are used to connect the roller base 4 and the intermediate frame 2 by penetrating the bottom surface of the roller base 4 and the surface of the intermediate frame 2, and the fasteners can be respectively selected as bolts and nuts matched in connection. Thus, the connecting seat 12 and the intermediate frame 2 are connected with the roller base 4 into an integrated structure, and when the roller is replaced, the connecting seat 12 can also sink along the roller base 4, so that the roller group is separated from the conveying belt 21.

[0038] Further, the surface of the bent part 122 of the connecting seat 12 is provided with a connecting hole 123 on each side, and two groups of fasteners respectively penetrate the corresponding connecting holes 123 and extend downward to penetrate the top surface of the roller base 4 to fixedly connect the connecting seat 12 and the roller base 4, wherein the fasteners are selected as long bolts matched with the distance between the bent part 122 and the top surface of the roller base 4 and nuts matched with the long bolts. By arranging one group of fasteners on each side of the top surface of the connecting seat 12, the top of the connecting seat 12 and the roller base 4 can be stably connected by the fasteners, and the roller base 4 can also support the connecting seat 12 by the fasteners, so as to improve the support stability of the entire roller frame.

[0039] In the above embodiment, the structure of the roller base 4 is preferably designed as follows: the roller base 4 is a groove-shaped structure formed by bending a steel plate, and its cross section is also groove-shaped, and the groove opening of the roller base 4 faces outward, and the side surface and the bottom surface of the roller base 4 are respectively detachably fixedly connected with the lower part of the connecting seat 12 and the surface of the intermediate frame 2 by two groups of fasteners, that is, the fasteners are used to connect the roller base 4 and the connecting seat 12 by penetrating the mounting holes 41 in the side surface of the roller base 4 and the long holes 121 in the connecting seat 12, and the fasteners are used to connect the roller base 4 and the intermediate frame 2 by penetrating the bottom surface of the roller base 4 and the surface of the intermediate frame 2, and the fasteners can be respectively selected as bolts and nuts matched in connection. Thus, the connecting seat 12 and the intermediate frame 2 are connected with the roller base 4 into an integrated structure, and when the roller is replaced, the connecting seat 12 can also sink along the roller base 4, so that the roller group is separated from the conveying belt 21.

[0040] In the above embodiment, the structure of the roller base 4 is preferably designed as follows: the roller base 4 is a groove-shaped structure formed by bending a steel plate, and its cross section is also groove-shaped, and the groove opening of the roller base 4 faces outward, and the side surface and the bottom surface of the roller base 4 are respectively detachably fixedly connected with the lower part of the connecting seat 12 and the surface of the intermediate frame 2 by two groups of fasteners, that is, the fasteners are used to connect the roller base 4 and the connecting seat 12 by penetrating the mounting holes 41 in the side surface of the roller base 4 and the long holes 121 in the connecting seat 12, and the fasteners are used to connect the roller base 4 and the intermediate frame 2 by penetrating the bottom surface of the roller base 4 and the surface of the intermediate frame 2, and the fasteners can be respectively selected as bolts and nuts matched in connection. Thus, the connecting seat 12 and the intermediate frame 2 are connected with the roller base 4 into an integrated structure, and when the roller is replaced, the connecting seat 12 can also sink along the roller base 4, so that the roller group is separated from the conveying belt 21.

[0041] In the preferred design based on the above-mentioned embodiments, the grooves of the roller support 5 and the roller base 4 are provided with a plurality of reinforcing plates 6, the upper and lower ends of the reinforcing plates 6 are connected to the top surface and the bottom surface of the roller support 5 and the roller base 4 respectively, and the reinforcing plates 6 can improve the supporting strength of the roller support 5 and the roller base 4.

[0042] Further, the spacing distance between the top of the connecting seat 12 and the top surface of the roller base 4 is in the range of 270mm-290mm, and in this embodiment, the spacing distance is 282mm, that is, the height of the entire roller frame that can sink is 282mm, which can neither affect the normal supporting and guiding effect of the roller frame on the conveying belt 21 through the roller group, nor make the roller frame sink to an appropriate height and leave enough distance with the bottom of the conveying belt 21 to facilitate the replacement of the rollers. The length of the long hole 121 of the connecting seat 12 is set according to the spacing distance and the diameter of the fastener, and the long hole 121 can be normally assembled with the mounting hole 41 of the roller base 4 when the roller frame normally supports the conveying belt 21 or disassembles the roller frame to replace the rollers.

[0043] When the rollers need to be replaced, the bolts at the upper and lower ends of the roller support 5 are unscrewed and removed from the connecting seat 12 and the top surface of the roller base 4, then the roller support 5 is taken out, then the two groups of long bolts that fix the top of the connecting seat 12 and the top surface of the roller base 4 are unscrewed and removed, and finally the two groups of bolts that connect the bottom of the connecting seat 12 and the side surface of the roller base 4 are removed. At this time, the roller frame can be moved along the side surface of the roller base 4 to the position where the top surface of the connecting seat 12 meets the top surface of the roller base 4, and the roller frame is clamped on the roller base 4 on both sides, and then the mounting hole 41 of the roller base 4 and the long hole 121 of the connecting seat 12 are fixed and connected at the highest position by the fastener. When the rollers are replaced, the roller frame can be stably connected with the roller base 4, improving the safety and stability during the replacement of the rollers.

[0044] The above embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the protection scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the technical concept of the present application, a number of modifications and improvements can be made, which are within the protection scope of the present application.

Claims

1. A sunken troughed idler comprising an idler set carrying a conveyor belt (21) and an idler stand for mounting the idler set, characterized in that: The roller frame is arranged between the intermediate frames (2) and detachably fixedly connected with the intermediate frames (2), after the roller frame is detached, the roller frame sinks to drive the roller group to be separated from the conveying belt (21).

2. The sunken troughed idler of claim 1, wherein: The roller frame is connected with the intermediate frame (2) through the roller base (4), and the roller frame can move up and down along the side surface of the roller base (4).

3. The sunken troughed idler of claim 2, wherein: The roller frame comprises a roller cross beam (11) horizontally arranged between the intermediate frames (2), and the two ends of the roller cross beam (11) are respectively fixedly provided with a connecting seat (12) which is parallel to the side surface of the roller base (4).

4. The sunken troughed idler of claim 3, wherein: The connecting seat (12) is symmetrically provided with a vertical long hole (121) on the two sides, and the side surface of the roller base (4) is respectively provided with a mounting hole (41) matched with the corresponding long hole (121), the mounting hole (41) can be connected with the long hole (121) at different positions, and a fastener horizontally penetrates the corresponding long hole (121) and the mounting hole (41) to connect the two.

5. The sunken troughed idler of claim 3 or claim 4, wherein: The top of the connecting seat (12) is outwardly bent to form a bent portion (122), the top surface of the bent portion (122) is fixedly provided with an edge support (13), and the middle portion of the roller cross beam (11) is fixedly provided with a middle support (14), and the roller group is mounted on the edge support (13) and the middle support (14).

6. The sunken troughed idler of claim 5, wherein: The cross section of the roller base (4) is a groove-shaped structure, the groove opening is outward, and the bottom surface is detachably fixedly connected with the surface of the intermediate frame (2) through two groups of fasteners; the surface of the bent portion (122) is provided with a connecting hole (123) on each side, and the fastener penetrates the corresponding connecting hole (123) and extends downward to fix the connecting seat (12) and the roller base (4) through the top surface of the roller base (4).

7. The sunken troughed idler of claim 6, wherein: The top and bottom ends of the roller support (5) are respectively detachably fixedly connected with the top surface of the bent portion (122) and the top surface of the roller base (4) through fasteners.

8. The sunken troughed idler of claim 7, wherein: The cross section of the roller support (5) is a groove-shaped structure, and the groove opening is outward; the roller support (5) is embedded in the connecting seat (12) and matched therewith, and the upper and lower ends thereof are connected through two groups of fasteners.

9. The sunken troughed idler of claim 7 or claim 8, wherein: The roller support (5) and the roller base (4) are provided with a plurality of reinforcing rib plates (6) in the grooves, and the upper and lower ends of the reinforcing rib plates (6) are connected with the top surface and the bottom surface of the two.

10. The sunken troughed idler of claim 8, wherein: The spacing distance between the top of the connecting seat (12) and the top surface of the roller base (4) is 270mm-290mm.

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