Carrier roller

Abstract

The utility model relates to the technical field of belt conveyors, aims to solve the problems that in the prior art, a roller is inconvenient to disassemble and assemble, the labor intensity of workers is high, the disassembling and assembling risk is large, and operators are prone to being injured by crashing, and provides a carrier roller which comprises a fixed cross beam. A first long roller and a second long roller which are symmetrical to each other are arranged at the two ends of the fixed cross beam and are rotatably connected to one side of the fixed cross beam; a first short roller and a second short roller which are symmetrical to each other are arranged between the first long roller and the second long roller; the first short roller and the second short roller are rotatably connected to the other side of the fixed cross beam; a first roller shaft and a second roller shaft are arranged at two ends of the first long roller, a third roller shaft and a fourth roller shaft are arranged at two ends of the second long roller, a fifth roller shaft and a sixth roller shaft are arranged at two ends of the first short roller, and a seventh roller shaft and an eighth roller shaft are arranged at two ends of the second short roller. The utility model has the beneficial effects of convenience in disassembly and assembly, low labor intensity of workers, small disassembly and assembly risk and low possibility of injuring operators by crashing.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt conveyor technical field, specifically, relates to a carrier roller. BACKGROUND

[0002] At present, the roller of the belt conveyor carrier roller is a wearing part, if not timely replacement after damage, not only big resistance, emits noise, and wears the adhesive tape, the traditional carrier roller roller is very inconvenient to take down from the roller frame, is inconvenient to disassemble, the worker's labor intensity is high and the disassembly risk is big, and the operating personnel is easy to be hurt. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a carrier roller to solve the problems of inconvenient disassembly of the roller, high labor intensity of workers, big disassembly risk and easy to hurt operating personnel in the prior art.

[0004] The embodiment of the utility model is realized as follows:

[0005] The utility model embodiment provides a carrier roller, it includes fixed crossbeam;

[0006] The both ends of the fixed crossbeam are equipped with first long roller and second long roller, the first long roller and the second long roller are mutually symmetrical distribution, the first long roller and the second long roller are rotatablely connected on the side of the fixed crossbeam;

[0007] First short roller and second short roller are arranged between the first long roller and the second long roller, the first short roller and the second short roller are mutually symmetrical distribution, the first short roller and the second short roller are rotatablely connected on the other side of the fixed crossbeam;

[0008] The both ends of the first long roller have first roller shaft and second roller shaft respectively, the both ends of the second long roller have third roller shaft and fourth roller shaft respectively, the both ends of the first short roller have fifth roller shaft and sixth roller shaft respectively, the both ends of the second short roller have seventh roller shaft and eighth roller shaft respectively.

[0009] When the first long roller on the fixed crossbeam needs to be replaced or repaired, workers only need to hold the first roller shaft and the second roller shaft at both ends of the first long roller, slowly lift the first long roller, and the first long roller can be disassembled; when the second long roller on the fixed crossbeam needs to be replaced or repaired, workers only need to hold the third roller shaft and the fourth roller shaft at both ends of the second long roller, slowly lift the second long roller, and the second long roller can be disassembled; when the first short roller on the fixed crossbeam needs to be replaced or repaired, workers only need to hold the fifth roller shaft and the sixth roller shaft at both ends of the first short roller, slowly lift the first short roller, and the first short roller can be disassembled; when the second short roller on the fixed crossbeam needs to be replaced or repaired, workers only need to hold the seventh roller shaft and the eighth roller shaft at both ends of the second short roller, slowly lift the second short roller, and the second short roller can be disassembled.

[0010] The first long roller, the second long roller, the first short roller and the second short roller are provided with the first roller shaft, the second roller shaft, the third roller shaft, the fourth roller shaft, the fifth roller shaft, the sixth roller shaft, the seventh roller shaft and the eighth roller shaft at both ends, which facilitates the disassembly of the first long roller, the second long roller, the first short roller and the second short roller, and further has the beneficial effects of convenient disassembly, low labor intensity of workers, small disassembly risk and difficulty in injuring the operator.

[0011] Optionally, one end of the fixed crossbeam is provided with a first support piece and a second support piece, the first support piece and the second support piece are parallel and spaced apart, the first support piece and the second support piece are located on one side of the fixed crossbeam, the first support piece and the second support piece are vertically and fixedly connected to the outer wall of the fixed crossbeam near one end of the fixed crossbeam, and the first roller shaft and the second roller shaft at both ends of the first long roller are respectively hung on one end of the first support piece and the second support piece away from the fixed crossbeam.

[0012] In this way, by hanging the first roller shaft and the second roller shaft at both ends of the first long roller on the first support piece and the second support piece, the first long roller is facilitated to rotate on the first support piece and the second support piece, and meanwhile, the first roller shaft and the second roller shaft facilitate the disassembly of the first long roller, improving the efficiency of replacement or repair of the first long roller.

[0013] Optionally, the other end of the fixed crossbeam is provided with a third supporting sheet and a fourth supporting sheet, the third supporting sheet and the fourth supporting sheet are parallel and spaced apart, the third supporting sheet and the fourth supporting sheet are located on one side of the fixed crossbeam, the third supporting sheet and the fourth supporting sheet are vertically and fixedly connected to the outer wall of the fixed crossbeam near one end of the fixed crossbeam, and the third roller shaft and the fourth roller shaft at the two ends of the second long roller are respectively hung on one end of the third supporting sheet and the fourth supporting sheet away from the fixed crossbeam.

[0014] In this way, by respectively hanging the third roller shaft and the fourth roller shaft at the two ends of the second long roller on the third supporting sheet and the fourth supporting sheet, the rotation of the second long roller on the third supporting sheet and the fourth supporting sheet is facilitated, and meanwhile, the arrangement of the third roller shaft and the fourth roller shaft facilitates the disassembly of the second long roller, thereby improving the efficiency of replacement or maintenance of the second long roller.

[0015] Optionally, the two ends of the first short roller are respectively provided with a fifth supporting sheet and a sixth supporting sheet, the fifth supporting sheet and the sixth supporting sheet are parallel and spaced apart, the fifth supporting sheet and the sixth supporting sheet are vertically and fixedly connected to the other side of the fixed crossbeam near one end of the fixed crossbeam, and the fifth roller shaft and the sixth roller shaft at the two ends of the first short roller are respectively hung on one end of the fifth supporting sheet and the sixth supporting sheet away from the fixed crossbeam.

[0016] In this way, by respectively hanging the fifth roller shaft and the sixth roller shaft at the two ends of the first short roller on the fifth supporting sheet and the sixth supporting sheet, the rotation of the first short roller on the fifth supporting sheet and the sixth supporting sheet is facilitated, and meanwhile, the arrangement of the fifth roller shaft and the sixth roller shaft facilitates the disassembly of the first short roller, thereby improving the efficiency of replacement or maintenance of the first short roller.

[0017] Optionally, the two ends of the second short roller are respectively provided with a seventh supporting sheet and an eighth supporting sheet, the seventh supporting sheet and the eighth supporting sheet are parallel and spaced apart, the seventh supporting sheet and the eighth supporting sheet are vertically and fixedly connected to the other side of the fixed crossbeam near one end of the fixed crossbeam, and the seventh roller shaft and the eighth roller shaft at the two ends of the second short roller are respectively hung on one end of the seventh supporting sheet and the eighth supporting sheet away from the fixed crossbeam.

[0018] Thus, by hanging the seventh roller shaft and the eighth roller shaft of the two ends of the second short roller on the seventh support piece and the eighth support piece respectively, the second short roller is facilitated to rotate on the seventh support piece and the eighth support piece, and the seventh roller shaft and the eighth roller shaft facilitate the disassembly and assembly of the second short roller, thereby improving the efficiency of replacement or maintenance of the second short roller.

[0019] Optionally, the bottom of the fixed crossbeam is provided with a support frame, and the support frame is fixedly connected to the fixed crossbeam near one end of the fixed crossbeam.

[0020] Thus, the support frame bears the fixed crossbeam, and provides a support platform for the first long roller, the second long roller, the first short roller and the second short roller, thereby facilitating the erection of the first long roller, the second long roller, the first short roller and the second short roller.

[0021] Optionally, the support frame is provided with a reinforcing rib, and the reinforcing rib is integrally formed with the support frame.

[0022] Thus, the reinforcing rib can enhance the structural strength of the support frame, improve the stability of the support frame, and facilitate the bearing of the first long roller, the second long roller, the first short roller and the second short roller.

[0023] Optionally, the axis of the first long roller intersects with the axis of the second long roller, and the axis of the first short roller intersects with the axis of the second short roller.

[0024] Thus, this facilitates the laying of the rubber belt, so that the laid rubber belt presents an arc shape in the transverse direction, thereby facilitating the transportation of materials on the rubber belt.

[0025] Optionally, the first long roller, the second long roller, the first short roller and the second short roller each have a roller cylinder, an inner shaft of the roller cylinder is provided with a roller rod, the two ends of the roller rod are respectively sleeved with a first bearing and a second bearing, the inner ring of the first bearing and the second bearing is tightly fitted on the roller rod, and the outer ring of the first bearing and the second bearing is tightly fitted on the roller cylinder.

[0026] Thus, the roller cylinder can rotate around the roller rod through the first bearing and the second bearing, which facilitates the transmission of the rubber belt, avoids excessive wear of the first roller shaft, the second roller shaft, the third roller shaft, the fourth roller shaft, the fifth roller shaft, the sixth roller shaft, the seventh roller shaft and the eighth roller shaft, and improves the service life of the equipment.

[0027] Optionally, the outer sides of the first bearing and the second bearing are respectively provided with a first sealing cover and a second sealing cover, the first sealing cover is buckled on the outer side of the first bearing, and the second sealing cover is buckled on the outer side of the second bearing.

[0028] In this way, the first sealing cover and the second sealing cover can effectively seal the first bearing and the second bearing, so that the first bearing and the second bearing are not easy to be invaded by dust impurities, and the service life of the first bearing and the second bearing is effectively improved.

[0029] In summary, the utility model discloses a kind of carrier roller, which has the beneficial effects of convenient disassembly and assembly, low labor intensity, small disassembly and assembly risk and difficulty in injuring operator. BRIEF DESCRIPTION OF DRAWINGS

[0030] To more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced to the drawings needed to be used in the embodiments, it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, on the premise of not paying creative labor, other related drawings can also be obtained according to these drawings.

[0031] Figure 1 It is a structure diagram of a kind of carrier roller in the embodiments of the utility model;

[0032] Figure 2 It is a front view of a kind of carrier roller in the embodiments of the utility model;

[0033] Figure 3 It is a structure diagram of the first long roller or the second long roller or the first short roller or the second short roller in the embodiments of the utility model.

[0034] Icon: 1-fixed crossbeam, 2-first long roller, 3-second long roller, 4-first short roller, 5-second short roller, 6-first roller shaft, 7-second roller shaft, 8-third roller shaft, 9-fourth roller shaft, 10-fifth roller shaft, 11-sixth roller shaft, 12-seventh roller shaft, 13-eighth roller shaft, 14-first support piece, 15-second support piece, 16-third support piece, 17-fourth support piece, 18-fifth support piece, 19-sixth support piece, 20-seventh support piece, 21-eighth support piece, 22-support frame, 23-stiffener, 24-roller cylinder, 25-roller bar, 26-first bearing, 27-second bearing, 28-first sealing cover, 29-second sealing cover, 30-notch. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0037] Embodiments

[0038] Referring to Figure 1 , Figure 2 and Figure 3 , the embodiment provides a carrier roller, which comprises a fixed cross beam 1;

[0039] The fixed cross beam 1 is provided with a first long roller 2 and a second long roller 3 at two ends respectively, the first long roller 2 and the second long roller 3 are symmetrically distributed with each other, and the first long roller 2 and the second long roller 3 are rotatably connected on one side of the fixed cross beam 1;

[0040] The first long roller 2 and the second long roller 3 are provided with a first short roller 4 and a second short roller 5 between them, the first short roller 4 and the second short roller 5 are symmetrically distributed with each other, and the first short roller 4 and the second short roller 5 are rotatably connected on the other side of the fixed cross beam 1;

[0041] The first long roller 2 is provided with a first roller shaft 6 and a second roller shaft 7 at two ends respectively, the second long roller 3 is provided with a third roller shaft 8 and a fourth roller shaft 9 at two ends respectively, the first short roller 4 is provided with a fifth roller shaft 10 and a sixth roller shaft 11 at two ends respectively, and the second short roller 5 is provided with a seventh roller shaft 12 and an eighth roller shaft 13 at two ends respectively.

[0042] When the first long roller 2 on the fixed cross beam 1 needs to be replaced or repaired, the worker only needs to hold the first roller shaft 6 and the second roller shaft 7 at both ends of the first long roller 2, slowly lifts the first long roller 2, and the disassembly and assembly can be realized; when the second long roller 3 on the fixed cross beam 1 needs to be replaced or repaired, the worker only needs to hold the third roller shaft 8 and the fourth roller shaft 9 at both ends of the second long roller 3, slowly lifts the second long roller 3, and the disassembly and assembly can be realized; when the first short roller 4 on the fixed cross beam 1 needs to be replaced or repaired, the worker only needs to hold the fifth roller shaft 10 and the sixth roller shaft 11 at both ends of the first short roller 4, slowly lifts the first short roller 4, and the disassembly and assembly can be realized; when the second short roller 5 on the fixed cross beam 1 needs to be replaced or repaired, the worker only needs to hold the seventh roller shaft 12 and the eighth roller shaft 13 at both ends of the second short roller 5, slowly lifts the second short roller 5, and the disassembly and assembly can be realized.

[0043] The first long roller 2, the second long roller 3, the first short roller 4 and the second short roller 5 are provided with the first roller shaft 6, the second roller shaft 7, the third roller shaft 8, the fourth roller shaft 9, the fifth roller shaft 10, the sixth roller shaft 11, the seventh roller shaft 12 and the eighth roller shaft 13 at both ends, so that the first long roller 2, the second long roller 3, the first short roller 4 and the second short roller 5 are convenient to disassemble and assemble, and the roller has the beneficial effects of convenient disassembly and assembly, low labor intensity of workers, small disassembly and assembly risk and difficulty in injuring the operator.

[0044] Referring to Figure 1 , Figure 2 and Figure 3 , one end of the fixed cross beam 1 is provided with the first support sheet 14 and the second support sheet 15, the first support sheet 14 and the second support sheet 15 are parallel and spaced apart, the first support sheet 14 and the second support sheet 15 are located on one side of the fixed cross beam 1, the first support sheet 14 and the second support sheet 15 are vertically and fixedly connected to the outer wall of the fixed cross beam 1 near one end of the fixed cross beam 1, the first roller shaft 6 and the second roller shaft 7 at both ends of the first long roller 2 are respectively hung and buckled on the end of the first support sheet 14 and the second support sheet 15 away from the fixed cross beam 1, by respectively hanging and buckling the first roller shaft 6 and the second roller shaft 7 at both ends of the first long roller 2 on the first support sheet 14 and the second support sheet 15, it is beneficial to the rotation of the first long roller 2 on the first support sheet 14 and the second support sheet 15, and meanwhile, the arrangement of the first roller shaft 6 and the second roller shaft 7 facilitates the disassembly and assembly of the first long roller 2, and improves the efficiency of replacement or repair of the first long roller 2.

[0045] The other end of the fixed crossbeam 1 is provided with a third supporting sheet 16 and a fourth supporting sheet 17, the third supporting sheet 16 and the fourth supporting sheet 17 are parallel and spaced apart, the third supporting sheet 16 and the fourth supporting sheet 17 are located on one side of the fixed crossbeam 1, the third supporting sheet 16 and the fourth supporting sheet 17 are vertically and fixedly connected to the outer wall of the fixed crossbeam 1 near one end of the fixed crossbeam 1, the third roller shaft 8 and the fourth roller shaft 9 at both ends of the second long roller 3 are respectively hung and buckled on the end of the third supporting sheet 16 and the fourth supporting sheet 17 away from the fixed crossbeam 1, by respectively hanging and buckling the third roller shaft 8 and the fourth roller shaft 9 at both ends of the second long roller 3 on the third supporting sheet 16 and the fourth supporting sheet 17, it is favorable for the second long roller 3 to rotate on the third supporting sheet 16 and the fourth supporting sheet 17, at the same time, the third roller shaft 8 and the fourth roller shaft 9 are convenient for dismounting and mounting the second long roller 3, and the efficiency of replacing or repairing the second long roller 3 is improved.

[0046] Referring to Figure 1 、 Figure 2 and Figure 3 , the two ends of the first short roller 4 are respectively provided with a fifth supporting sheet 18 and a sixth supporting sheet 19, the fifth supporting sheet 18 and the sixth supporting sheet 19 are parallel and spaced apart, the fifth supporting sheet 18 and the sixth supporting sheet 19 are vertically and fixedly connected to the other side of the fixed crossbeam 1 near one end of the fixed crossbeam 1, the fifth roller shaft 10 and the sixth roller shaft 11 at both ends of the first short roller 4 are respectively hung and buckled on the end of the fifth supporting sheet 18 and the sixth supporting sheet 19 away from the fixed crossbeam 1, by respectively hanging and buckling the fifth roller shaft 10 and the sixth roller shaft 11 at both ends of the first short roller 4 on the fifth supporting sheet 18 and the sixth supporting sheet 19, it is favorable for the first short roller 4 to rotate on the fifth supporting sheet 18 and the sixth supporting sheet 19, at the same time, the fifth roller shaft 10 and the sixth roller shaft 11 are convenient for dismounting and mounting the first short roller 4, and the efficiency of replacing or repairing the first short roller 4 is improved.

[0047] The two ends of the second short roller 5 are respectively provided with a seventh supporting sheet 20 and an eighth supporting sheet 21, the seventh supporting sheet 20 and the eighth supporting sheet 21 are parallel and spaced apart, the seventh supporting sheet 20 and the eighth supporting sheet 21 are vertically and fixedly connected to the other side of the fixed crossbeam 1 near one end of the fixed crossbeam 1, the seventh roller shaft 12 and the eighth roller shaft 13 at both ends of the second short roller 5 are respectively hung and buckled on the end of the seventh supporting sheet 20 and the eighth supporting sheet 21 away from the fixed crossbeam 1, by respectively hanging and buckling the seventh roller shaft 12 and the eighth roller shaft 13 at both ends of the second short roller 5 on the seventh supporting sheet 20 and the eighth supporting sheet 21, it is favorable for the second short roller 5 to rotate on the seventh supporting sheet 20 and the eighth supporting sheet 21, at the same time, the seventh roller shaft 12 and the eighth roller shaft 13 are convenient for dismounting and mounting the second short roller 5, and the efficiency of replacing or repairing the second short roller 5 is improved.

[0048] Referring to Figure 1 ,Figure 2 And Figure 3 The bottom of the fixed crossbeam 1 is provided with a support frame 22, the support frame 22 is fixedly connected to the fixed crossbeam 1 near one end of the fixed crossbeam 1, the support frame 22 bears the fixed crossbeam 1 and provides a support platform for the first long roller 2, the second long roller 3, the first short roller 4 and the second short roller 5, facilitating the erection of the first long roller 2, the second long roller 3, the first short roller 4 and the second short roller 5.

[0049] The support frame 22 is provided with a reinforcing rib 23, the reinforcing rib 23 is integrally formed with the support frame 22, the reinforcing rib 23 can enhance the structural strength of the support frame 22 and improve the stability of the support frame 22, facilitating the bearing of the first long roller 2, the second long roller 3, the first short roller 4 and the second short roller 5.

[0050] The axis of the first long roller 2 intersects with the axis of the second long roller 3, and the axis of the first short roller 4 intersects with the axis of the second short roller 5, which is conducive to laying the rubber belt and makes the laid rubber belt present an arc shape in the transverse direction, facilitating the transportation of materials on the rubber belt.

[0051] Referring to Figure 1 , Figure 2 And Figure 3 The first long roller 2, the second long roller 3, the first short roller 4 and the second short roller 5 are all provided with a roller 24, the inside axis of the roller 24 is provided with a roller shaft 25, the two ends of the roller shaft 25 are respectively sleeved with a first bearing 26 and a second bearing 27, the inner ring of the first bearing 26 and the second bearing 27 is tightly fitted to the roller shaft 25, and the outer ring of the first bearing 26 and the second bearing 27 is tightly fitted to the roller 24, so that the roller 24 can rotate around the roller shaft 25 through the first bearing 26 and the second bearing 27, facilitating the transmission of the rubber belt, and avoiding excessive wear of the first roller shaft 6, the second roller shaft 7, the third roller shaft 8, the fourth roller shaft 9, the fifth roller shaft 10, the sixth roller shaft 11, the seventh roller shaft 12 and the eighth roller shaft 13, thereby prolonging the service life of the equipment.

[0052] The outer side of the first bearing 26 and the second bearing 27 is respectively provided with a first sealing cover 28 and a second sealing cover 29, the first sealing cover 28 is buckled on the outer side of the first bearing 26, and the second sealing cover 29 is buckled on the outer side of the second bearing 27, the first sealing cover 28 and the second sealing cover 29 can effectively seal the first bearing 26 and the second bearing 27, so that the first bearing 26 and the second bearing 27 are not easy to be invaded by dust and impurities, thereby effectively prolonging the service life of the first bearing 26 and the second bearing 27.

[0053] Referring to Figure 1 , Figure 2 And Figure 3In the embodiment, the first short roller 4 and the second short roller 5 are arranged between the first long roller 2 and the second long roller 3, so that the axis of the rubber belt on the fixed crossbeam 1 can form an arc, the whole rubber belt can present an arc, the material transportation is facilitated, and the material is not easy to leak out.

[0054] Referring to Figure 1 , Figure 2 and Figure 3 In the embodiment, the first support sheet 14, the second support sheet 15, the third support sheet 16, the fourth support sheet 17, the fifth support sheet 18, the sixth support sheet 19, the seventh support sheet 20 and the eighth support sheet 21 are all provided with a notch 30 at an end away from the fixed crossbeam 1, so that the first roller shaft 6, the second roller shaft 7, the third roller shaft 8, the fourth roller shaft 9, the fifth roller shaft 10, the sixth roller shaft 11, the seventh roller shaft 12 and the eighth roller shaft 13 can be hung and buckled or disassembled.

[0055] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A carrier roller, characterized in that: it comprises a fixed crossbeam (1); two ends of the fixed crossbeam (1) are respectively provided with a first long roller (2) and a second long roller (3), the first long roller (2) and the second long roller (3) are symmetrically distributed, the first long roller (2) and the second long roller (3) are rotatably connected on one side of the fixed crossbeam (1); a first short roller (4) and a second short roller (5) are arranged between the first long roller (2) and the second long roller (3), the first short roller (4) and the second short roller (5) are symmetrically distributed, the first short roller (4) and the second short roller (5) are rotatably connected on the other side of the fixed crossbeam (1); two ends of the first long roller (2) are respectively provided with a first roller shaft (6) and a second roller shaft (7), two ends of the second long roller (3) are respectively provided with a third roller shaft (8) and a fourth roller shaft (9), two ends of the first short roller (4) are respectively provided with a fifth roller shaft (10) and a sixth roller shaft (11), and two ends of the second short roller (5) are respectively provided with a seventh roller shaft (12) and an eighth roller shaft (13).

2. The carrier roller according to claim 1, characterized in that: one end of the fixed crossbeam (1) is provided with a first support piece (14) and a second support piece (15), the first support piece (14) and the second support piece (15) are parallel and spaced apart, the first support piece (14) and the second support piece (15) are located on one side of the fixed crossbeam (1), the first support piece (14) and the second support piece (15) are vertically and fixedly connected to the outer wall of the fixed crossbeam (1) near one end of the fixed crossbeam (1), and the first roller shaft (6) and the second roller shaft (7) at two ends of the first long roller (2) are respectively hung on one end of the first support piece (14) and the second support piece (15) away from the fixed crossbeam (1).

3. The carrier roller according to claim 1, characterized in that: the other end of the fixed crossbeam (1) is provided with a third support piece (16) and a fourth support piece (17), the third support piece (16) and the fourth support piece (17) are parallel and spaced apart, the third support piece (16) and the fourth support piece (17) are located on one side of the fixed crossbeam (1), the third support piece (16) and the fourth support piece (17) are vertically and fixedly connected to the outer wall of the fixed crossbeam (1) near one end of the fixed crossbeam (1), and the third roller shaft (8) and the fourth roller shaft (9) at two ends of the second long roller (3) are respectively hung on one end of the third support piece (16) and the fourth support piece (17) away from the fixed crossbeam (1).

4. The carrier roller according to claim 1, characterized in that: ​ ​ ​ ​ ​ ​ The two ends of the first short roller (4) are respectively provided with a fifth supporting sheet (18) and a sixth supporting sheet (19), the fifth supporting sheet (18) and the sixth supporting sheet (19) are parallel and spaced, the fifth supporting sheet (18) and the sixth supporting sheet (19) are vertically and fixedly connected on the other side of the fixed cross beam (1) near one end of the fixed cross beam (1), and the fifth roller shaft (10) and the sixth roller shaft (11) at the two ends of the first short roller (4) are respectively hung on one end of the fifth supporting sheet (18) and the sixth supporting sheet (19) away from the fixed cross beam (1).

5. The carrier roller according to claim 1, wherein: The two ends of the second short roller (5) are respectively provided with a seventh supporting sheet (20) and an eighth supporting sheet (21), the seventh supporting sheet (20) and the eighth supporting sheet (21) are parallel and spaced, the seventh supporting sheet (20) and the eighth supporting sheet (21) are vertically and fixedly connected on the other side of the fixed cross beam (1) near one end of the fixed cross beam (1), and the seventh roller shaft (12) and the eighth roller shaft (13) at the two ends of the second short roller (5) are respectively hung on one end of the seventh supporting sheet (20) and the eighth supporting sheet (21) away from the fixed cross beam (1).

6. The carrier roller according to claim 1, wherein: The bottom of the fixed cross beam (1) is provided with a supporting frame (22), and the supporting frame (22) is fixedly connected to the fixed cross beam (1) near one end of the fixed cross beam (1).

7. The carrier roller according to claim 6, wherein: The supporting frame (22) has a reinforcing rib (23) formed integrally therewith.

8. The carrier roller according to claim 1, wherein: The axis of the first long roller (2) intersects the axis of the second long roller (3), and the axis of the first short roller (4) intersects the axis of the second short roller (5).

9. The carrier roller according to claim 1, wherein: The first long roller (2), the second long roller (3), the first short roller (4) and the second short roller (5) all have a roller barrel (24), an inner shaft of the roller barrel (24) is provided with a roller rod (25), the two ends of the roller rod (25) are respectively provided with a first bearing (26) and a second bearing (27), the inner ring of the first bearing (26) and the second bearing (27) is tightly fitted to the roller rod (25), and the outer ring of the first bearing (26) and the second bearing (27) is tightly fitted to the roller barrel (24).

10. The carrier roller according to claim 9, wherein: The outer sides of the first bearing (26) and the second bearing (27) are respectively provided with a first sealing cover (28) and a second sealing cover (29), the first sealing cover (28) is buckled on the outer side of the first bearing (26), and the second sealing cover (29) is buckled on the outer side of the second bearing (27).

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