Squirrel-cage turnabout drum

Abstract

The utility model relates to the technical field of conveying belts, and discloses a squirrel-cage turnabout drum which comprises a drum body, end plates are fixedly connected to the two ends of the drum body, a plurality of detachable extension shafts are arranged in front of the two end plates, and a plurality of guide bodies are fixedly connected to the wall face of the drum body. The guide bodies can support the middle positions of the extension shafts, the wall faces of the end plates are provided with limiting structures used for locking the extension shafts, the number of the extension shafts installed on the circumferential face of the roller body is adjusted by arranging the multiple detachable extension shafts, the number of the extension shafts can be adjusted according to conveyed materials, and then the purpose of adjusting the intervals of the extension shafts is achieved; a slit is formed between every two adjacent extension shafts and used for discharging impurities cleaned down from the conveying belt, and flexible adjustment is achieved according to different impurities generated by different materials.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor belts, in particular to a squirrel cage type redirecting roller. Background Art

[0002] The prior art discloses a cage-type redirecting roller (CN201320373779.2), which includes a plurality of roller strips, and the two ends of the plurality of roller strips are connected together to form a straight cage shape. The utility model also discloses a cage-type redirecting roller, the outer surface of which is provided with a plurality of slots for guiding out granular materials. With the utility model, the cage-type redirecting roller is pressed on the conveyor belt of the belt conveyor to increase the transmission power; or when the tensioning wheel and the driving mechanism of the belt conveyor are modified on the ground, the cage-type redirecting roller is also arranged on the conveyor belt.

[0003] In the prior art, a rod body is installed on the circumferential surface of an existing roller, and the rod body is used to contact the conveyor belt instead of the circumferential surface of the entire roller. Impurities adhered to the wall of the conveyor belt can be discharged from the gap between two adjacent rod bodies. The installation position of the rod body is fixed, resulting in a fixed distance between the rod bodies. For different usage scenarios, for example, different sizes of impurities require different gaps to ensure the discharge effect. The rod bodies in fixed positions obviously have certain defects. It is difficult to adjust the number and gaps of the rod bodies according to demand, and there is a certain amount of room for optimization.

[0004] For this purpose, we propose a squirrel cage type redirecting roller. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a squirrel cage type redirecting roller.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a squirrel cage type redirecting roller, including a roller body, both ends of the roller body are fixedly connected with end plates, a plurality of detachable extension shafts are arranged between the two end plates, a plurality of guide bodies are fixedly connected with the wall surface of the roller body, the guide bodies can support the middle position of each extension shaft, and the wall surface of the end plate is provided with a limiting structure for locking the extension shaft.

[0007] As a preferred embodiment of the utility model, the limiting structure includes: a slot, a pressure plate and an avoidance groove. The wall surface of the end plate is provided with a plurality of slots, the end of the extension shaft is located in the corresponding slot, the pressure plate is locked with the end plate by bolts, the wall surface of the pressure plate is provided with an avoidance groove, and the avoidance groove and the slot together form a notch for sliding of the end of the extension shaft.

[0008] As a preferred embodiment of the present invention, the slot is provided on the end surface of the end plate, the end surfaces of the two end plates close to each other are provided with the same slot, and the two ends of the extension shaft are respectively inserted into two symmetrical slots of the two end plates.

[0009] As a preferred embodiment of the utility model, the pressure plate forms a block structure adapted to the slot, and an avoidance groove is opened on the wall surface of the pressure plate near the center of the end plate, and the avoidance groove forms a groove adapted to the extension shaft, the extension shaft is in the shape of a round rod, and the diameter of the extension shaft is equal to the diameter of the avoidance groove.

[0010] As a preferred embodiment of the present invention, the guide body forms a folded plate structure with a V-shaped cross section, the guide body is fixedly mounted on the circumferential surface of the drum body, and the top surface of the guide body is inclined toward both ends to form a slope.

[0011] As a preferred embodiment of the utility model, the limiting structure also includes a thrust protrusion and a through hole. The wall surface of the pressure plate is provided with a through hole, a bolt is arranged in the through hole, the wall surface of the end plate is provided with a screw hole, the bolt is connected to the threaded hole, and the thrust protrusion is fixedly connected to the pressure plate and plugged into the end plate.

[0012] As a preferred embodiment of the utility model, the inner wall surface of the end plate located in the slot is provided with a thrust groove adapted to the thrust protrusion, and the thrust protrusion is adapted to the thrust groove and inserted into the thrust groove.

[0013] Beneficial Effects

[0014] The utility model provides a squirrel cage type redirecting roller. It has the following beneficial effects:

[0015] 1. The squirrel cage type redirecting roller is provided with a plurality of detachable extension shafts, so as to adjust the number of extension shafts installed on the circumferential surface of the roller body. The number of extension shafts can be adjusted according to the conveyed material to achieve the purpose of adjusting the interval of the extension shafts. A slit is formed between two adjacent extension shafts for discharging impurities cleaned from the conveyor belt. The impurities generated are flexibly adjusted according to different materials. A plurality of extension shafts contact the conveyor belt instead of the entire circumferential surface of the roller body contacting the conveyor belt, which can reduce the probability of impurities adhering to the conveyor belt and being squeezed by the circumferential surface of the roller body and being difficult to fall off and accelerating wear, thereby extending the service life of the conveyor belt; each extension shaft is supported by a guide body with a slope, the middle position of the extension shaft will contact each guide body, and the position of the extension shaft near the two ends is in a suspended state, and then when squeezed by the conveyor belt, the conveyor belt can squeeze the part of the extension shaft away from the middle position to deform, and the middle position of the contact surface of the conveyor belt will form a slope compared with the edge position. Due to the difference in linear speed between the middle position and the edge position of the conveyor belt, the conveyor belt can be corrected automatically, and the falling of the conveyor belt can be suppressed, so as to achieve automatic deviation correction.

[0016] 2. For this squirrel cage type redirecting roller, when installing the extension shaft, loosen the bolts in the through hole, insert the two ends of the extension shaft into the corresponding slots respectively, put the pressure plate into the slot, tighten the bolts, and the pressure plate is pressed and fixed. The pressure plate is located in the notch formed by the avoidance groove and the slot, which can limit the end of the extension shaft to fix the extension shaft, facilitate disassembly and assembly of the extension shaft to adjust the spacing, and is easy to disassemble and assemble and easy to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0018] Figure 2 This is the second overall stereogram of the utility model;

[0019] Figure 3 This is a three-dimensional diagram of the end plate of the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the pressing plate of the utility model.

[0021] Legend: 10, roller body; 11, end plate; 12, extension shaft; 13, guide body; 20, slot; 21, pressure plate; 22, avoidance groove; 23, thrust protrusion; 24, through hole. DETAILED DESCRIPTION

[0022] A squirrel cage redirecting roller, such as Figure 1 , Figure 2 and Figure 3As shown, it includes a roller body 10, both ends of the roller body 10 are fixedly connected with end plates 11, a plurality of detachable extension shafts 12 are arranged in front of the two end plates 11, a plurality of guide bodies 13 are fixedly connected to the wall surface of the roller body 10, and the guide bodies 13 can support the middle position of each extension shaft 12, and the wall surface of the end plate 11 is provided with a limiting structure for locking the extension shaft 12, and the limiting structure includes: a slot 20, a pressure plate 21 and an avoidance groove 22, and the wall surface of the end plate 11 is provided with a plurality of slots 20, and the end of the extension shaft 12 is provided with a plurality of Located in the corresponding slot 20, the pressure plate 21 is locked with the end plate 11 by bolts, and the wall of the pressure plate 21 is provided with an avoidance groove 22. The avoidance groove 22 and the slot 20 together form a notch for the sliding of the end of the extension shaft 12. The slot 20 is opened on the end face of the end plate 11. The end faces of the two end plates 11 close to each other are provided with the same slot 20. The two ends of the extension shaft 12 are respectively inserted into the two symmetrical slots 20 of the two end plates 11. The pressure plate 21 forms a block structure adapted to the slot 20. The pressure plate 21 is close to the end plate 1 1. The wall surface at the center position is provided with an avoidance groove 22, and the avoidance groove 22 forms a groove adapted to the extension shaft 12. The extension shaft 12 is in the shape of a round rod, and the diameter of the extension shaft 12 is equal to the diameter of the avoidance groove 22. The guide body 13 forms a folded plate structure with a V-shaped cross section. The guide body 13 is fixedly installed on the circumferential surface of the drum body 10, and the top surface of the guide body 13 is inclined toward both ends to form a slope. In this scheme, by setting a plurality of detachable extension shafts 12, the number of extension shafts 12 installed on the circumferential surface of the drum body 10 is adjusted, and the number of extension shafts 12 can be adjusted according to the conveyed material to achieve the purpose of adjusting the interval of the extension shafts 12. A slit is formed between two adjacent extension shafts 12 for discharging impurities cleaned from the conveyor belt. The impurities generated are flexibly adjusted according to different materials. A plurality of extension shafts 12 contact the conveyor belt instead of the entire circumferential surface of the drum body 10 contacting the conveyor belt, which can reduce the probability of impurities adhering to the conveyor belt and being squeezed by the circumferential surface of the drum body 10 and being difficult to fall off and accelerating wear, thereby extending the service life of the conveyor belt.

[0023] Each extension shaft 12 is supported by a guide body 13 with a slope. The middle position of the extension shaft 12 will contact each guide body 13, and the positions of the extension shaft 12 near the two ends are in a suspended state. When squeezed by the conveyor belt, the conveyor belt can squeeze the extension shaft 12 away from the middle position and deform the part. The middle position of the contact surface of the conveyor belt will form a slope compared to the edge position. Due to the difference in linear speed between the middle position and the edge position of the conveyor belt, the conveyor belt can correct itself and suppress the conveyor belt from falling off, thereby achieving automatic deviation correction.

[0024] like Figure 4As shown, the limiting structure also includes a thrust protrusion 23 and a through hole 24. The wall surface of the pressure plate 21 is provided with a through hole 24, and a bolt is arranged in the through hole 24. The wall surface of the end plate 11 is provided with a screw hole, and the bolt is connected to the threaded hole. The thrust protrusion 23 is fixedly connected to the pressure plate 21 and plugged with the end plate 11. The inner wall surface of the end plate 11 located in the slot 20 is provided with a thrust groove adapted to the thrust protrusion 23. The thrust protrusion 23 is adapted to the thrust groove and inserted into the thrust groove. When installing the extension shaft 12, the bolt in the through hole 24 is loosened, and the two ends of the extension shaft 12 are respectively inserted into the corresponding slots 20, and the pressure plate 21 is placed in the slot 20. The bolt is tightened and fixed. The pressure plate 21 is located in the notch formed by the avoidance groove 22 and the slot 20, which can limit the end of the extension shaft 12 to achieve fixation of the extension shaft 12, which is convenient for disassembly and assembly of the extension shaft 12 to adjust the spacing.

[0025] The working principle of the utility model is as follows: the bolts in the through holes 24 are loosened, the two ends of the extension shaft 12 are respectively inserted into the corresponding slots 20, the pressure plate 21 is placed in the slots 20, the bolts are tightened, the pressure plate 21 is pressed and fixed, the pressure plate 21 is located in the notch formed by the avoidance groove 22 and the slots 20, the number of extension shafts 12 installed on the circumferential surface of the drum body 10 is adjusted, the number of extension shafts 12 can be adjusted according to the conveyed material to achieve the purpose of adjusting the interval of the extension shafts 12, a slit is formed between two adjacent extension shafts 12 for discharging impurities cleaned up from the conveyor belt, and the impurities generated according to different materials are flexibly adjusted, the guide body 13 with a slope supports each extension shaft 12, the middle position of the extension shaft 12 will conflict with each guide body 13, and the position of the extension shaft 12 near the two ends is in a suspended state, and then when squeezed by the conveyor belt, the conveyor belt can squeeze the extension shaft 12 away from the middle position. The deformation of the part, the middle position of the contact surface of the conveyor belt will form a slope compared to the edge position, and due to the difference in linear velocity between the middle position and the edge position of the conveyor belt, the conveyor belt can be corrected by itself.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A squirrel cage redirecting roller, comprising a roller body (10), characterized in that: Both ends of the roller body (10) are fixedly connected to end plates (11), a plurality of detachable extension shafts (12) are arranged in front of the two end plates (11), a plurality of guide bodies (13) are fixedly connected to the wall surface of the roller body (10), the guide bodies (13) can support the middle position of each extension shaft (12), and a limiting structure is arranged on the wall surface of the end plate (11) for locking the extension shaft (12).

2. The squirrel cage redirecting roller according to claim 1, characterized in that: The limiting structure comprises: a slot (20), a pressure plate (21) and an avoidance groove (22); a plurality of slots (20) are provided on the wall surface of the end plate (11); the end of the extension shaft (12) is located in the corresponding slot (20); the pressure plate (21) is locked with the end plate (11) by bolts; the wall surface of the pressure plate (21) is provided with an avoidance groove (22); the avoidance groove (22) and the slot (20) together form a notch for the sliding of the end of the extension shaft (12).

3. The squirrel cage type redirecting roller according to claim 2, characterized in that: The slots (20) are provided on the end faces of the end plates (11), and the end faces of the two end plates (11) close to each other are provided with the same slots (20), and the two ends of the extension shaft (12) are respectively inserted into two symmetrical slots (20) of the two end plates (11).

4. The squirrel cage redirecting roller according to claim 2, characterized in that: The pressing plate (21) forms a block structure adapted to the slot (20); a relief groove (22) is provided on a wall surface of the pressing plate (21) close to the center of the end plate (11); the relief groove (22) forms a groove adapted to the extension shaft (12); the extension shaft (12) is in the shape of a round rod; and the diameter of the extension shaft (12) is equal to the diameter of the relief groove (22).

5. The squirrel cage type redirecting roller according to claim 1, characterized in that: The guide body (13) forms a folded plate structure with a V-shaped cross section. The guide body (13) is fixedly mounted on the circumferential surface of the drum body (10). The top surface of the guide body (13) is inclined toward both ends to form a slope.

6. The squirrel cage redirecting roller according to claim 2, characterized in that: The limiting structure also includes a thrust protrusion (23) and a through hole (24); the wall surface of the pressure plate (21) is provided with a through hole (24); a bolt is arranged in the through hole (24); the wall surface of the end plate (11) is provided with a screw hole; the bolt is connected to the screw hole; the thrust protrusion (23) is fixedly connected to the pressure plate (21) and plugged into the end plate (11).

7. The squirrel cage redirecting roller according to claim 6, characterized in that: The inner wall surface of the end plate (11) located in the slot (20) is provided with a thrust groove adapted to the thrust protrusion (23), and the thrust protrusion (23) is adapted to the thrust groove and inserted into the thrust groove.

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