Belt type conveying carrier roller device capable of adjusting turning radius

Abstract

The utility model discloses a belt type conveying carrier roller device capable of adjusting turning radius, which comprises a plurality of groups of conveying carrier roller main bodies which are sequentially connected, each group of conveying carrier roller main bodies comprises symmetrically and fixedly arranged bases, bearing rods are connected onto the bases in a sliding manner, the tops of the two bearing rods are jointly and rotationally connected with a carrying carrier roller group, and the carrying carrier roller group is fixedly connected with the conveying carrier roller main bodies. The sides, close to each other, of the middles of the two bearing rods are jointly hinged to a return carrier roller set, and the sides, close to each other, of the two bases are jointly connected with a connecting rod. The utility model solves the problem that in the prior art, a plurality of belt conveyors are arranged on a roadway curve in a lap joint mode to complete arc steering, so that a conveying system is complex.

Description

Technical Field

[0001] The utility model belongs to the technical field of belt conveyor equipment and relates to a belt conveyor roller device capable of adjusting a turning radius. Background Art

[0002] With the rapid advancement of TBM, the original transportation system has become complicated due to the turning of the tunnel. The distance that a belt conveyor can handle must be re-installed with a machine head, motor, belt bin and other time-consuming and laborious work after the turning. Therefore, it is inevitable to carry out a systematic and overall transformation and upgrading of the belt conveyors of coal enterprises.

[0003] The circular turning of the existing belt conveyor is generally completed by arranging and overlapping multiple belt conveyors on the curve of the lane, but there are problems such as complex conveying system, difficult installation, and increased workload of conveyor drivers. Utility Model Content

[0004] The utility model aims to provide a belt conveyor roller device capable of adjusting the turning radius, which solves the problem in the prior art that arc turning is completed by arranging a plurality of belt conveyors on the curve of the lane, thereby complicating the conveying system.

[0005] The technical solution adopted by the utility model is a belt conveyor roller device capable of adjusting the turning radius, comprising a plurality of groups of conveyor roller bodies connected in sequence, each group of conveyor roller bodies comprising a base which is symmetrically fixedly arranged, a bearing rod being slidably connected to the base, two bearing rods having tops which are rotatably connected to a carrying roller group, a return roller group being hinged on one side of the two bearing rods which are close to each other, and a connecting rod being connected on one side of the two bases which are close to each other.

[0006] Preferably, an electric cylinder is fixed on the base below the bearing rod, and an output end of the electric cylinder is fixed below the bearing rod.

[0007] Preferably, the base includes a fixed plate, on which is provided a base bracket which is connected to the fixed plate as a whole and is arranged in a "concave" shape, slide rails are symmetrically provided on both sides of the "concave" inner part of the base bracket, and two base brackets of the same group of conveying roller bodies have two connecting ears symmetrically provided on the corresponding sides of the "concave" side walls of the two base brackets, and the two base brackets of the same group of conveying roller bodies are connected by connecting the two connecting ears on the corresponding sides through a connecting rod, and the base brackets are further provided with connecting ears on both sides corresponding to the adjacent groups of conveying roller bodies, and the two adjacent groups of conveying roller bodies are connected by connecting the corresponding connecting ears one through a connecting rod, the load-bearing rod is slidably connected to the slide rail, and the electric cylinder is fixed to the inner bottom of the "concave" shape of the base bracket.

[0008] Preferably, the bearing rod includes a bearing rod main body corresponding to the "concave" shape of the base bracket, sliding blocks are arranged at the lower ends of both sides of the bearing rod main body corresponding to the slide rail, a through groove is opened in the middle of the bearing rod main body, and one end of the return roller group is hinged in the through grooves of the two bearing rod main bodies respectively, the tops of the two bearing rod main bodies are respectively rotatably connected to the two ends of the carrying roller group, and the output end of the electric cylinder is fixedly connected to the bottom of the bearing rod main body.

[0009] Preferably, the return roller group includes an inclined roller 1, an inclined roller 2 and two symmetrically arranged connecting plates, one end of the two connecting plates is hingedly connected to the inclined roller 1 through a pin shaft passing through the two connecting plates, and the other end of the two connecting plates is hingedly connected to the inclined roller 2 through a pin shaft passing through the two connecting plates, the ends of the inclined roller 1 and the inclined roller 2 away from the connecting plates are respectively hinged in the through grooves on the corresponding sides, and the roller axes of the inclined roller 1 and the inclined roller 2 gradually tilt upward from the end close to the connecting plate to the end away from the connecting plate.

[0010] Preferably, a hinge hole 1 is provided on both sides of the through groove, and the roller shaft of the inclined roller 1 at the end away from the connecting plate is fixedly connected to the connecting shaft 1, and the two ends of the connecting shaft 1 are respectively rotatably connected to the hinge hole 1 on the corresponding side; the roller shaft of the inclined roller 2 at the end away from the connecting plate is fixedly connected to the connecting shaft 2, and the two ends of the connecting shaft 2 are respectively rotatably connected to the hinge hole 1 on the corresponding side.

[0011] Preferably, the carrying roller group includes a trough beam, a flat roller is horizontally rotatably arranged on the middle side of the trough beam, side rollers are rotatably arranged at both ends of the flat roller on the trough beam, and the roller axes of the side rollers are gradually inclined upward from the end close to the flat roller to the end away from the flat roller. Side belt rollers are rotatably arranged on the ends of the two side rollers on the trough beam away from the flat rollers, and the end of the side belt roller away from the corresponding side roller is inclined upward toward the side close to the flat roller. Belt pressure rollers are rotatably arranged on the two ends of the two side rollers on the trough beam, and the belt pressure rollers are located above the side rollers on the corresponding side and parallel to the rotation axis of the side rollers on the corresponding side.

[0012] Preferably, the rotation axis of the side belt roller is perpendicular to the rotation axis of the side roller on the corresponding side.

[0013] Preferably, a retaining ring protruding in the radial direction is provided at the upper end of the side belt retaining roller.

[0014] The beneficial effects of the utility model are:

[0015] The utility model can calculate the required lifting angle of the belt conveyor roller device according to the size of the turning radius, thereby controlling the electric cylinders on both sides to work up and down, and the sliders on the load-bearing rods slide and move on the slide rails inside the base to reach a suitable height, one end is raised and the other end is lowered, or one end is raised and the other end remains unchanged, or one end remains unchanged and the other end is lowered, and a plurality of groups of belt conveyor roller devices are combined to realize the turning transportation of the conveyor belt under the corresponding turning radius.

[0016] The utility model drives the return roller group and the load-bearing roller group installed on the load-bearing rod to be linked together due to the adjustment of the load-bearing rod. When the conveyor belt is turning, both the transport and return conveyor belts can achieve a certain angle of deflection, so that the operation is smoother, the wear is reduced, and the service life is longer.

[0017] The utility model comprises a carrying roller group including flat rollers, side rollers and inclined rollers, which are in contact with the surface of the conveyor belt during the carrying and return conveying processes, thereby increasing the contact area between the conveyor belt and the rollers; and side belt blocking rollers and belt pressing rollers are provided, wherein the upper ends of the side belt blocking rollers are inclined inwards, and the side belt blocking rollers limit the two sides of the width direction of the conveyor belt, thereby preventing the conveyor belt from running out of the roller group due to excessive centrifugal force; the upper ends of the side belt blocking rollers are provided with radially protruding retaining rings, and if the conveyor belt moves outwards too much, the retaining rings can further limit the conveyor belt, thereby preventing the curved inner edge of the conveyor belt from tilting up over a large area, thereby avoiding the conveyor belt from slipping, thereby improving the conveying efficiency.

[0018] The utility model has a simple structure and can be completed by simply modifying a traditional belt conveyor. It can operate in a straight line or in a turning manner and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model of a belt conveyor roller device capable of adjusting a turning radius;

[0020] Figure 2 It is a structural schematic diagram of a base in a belt conveyor roller device capable of adjusting a turning radius according to the utility model;

[0021] Figure 3 It is a structural schematic diagram of a bearing rod in a belt conveyor roller device capable of adjusting a turning radius according to the utility model;

[0022] Figure 4 It is a structural schematic diagram of a return roller group in a belt conveyor roller device capable of adjusting a turning radius according to the utility model;

[0023] Figure 5 The utility model is a structural schematic diagram of a carrying roller group in a belt conveying roller device capable of adjusting a turning radius.

[0024] In the figure: 1. base, 11. fixed plate, 12. base bracket, 13. slide rail, 14. connecting ear 1, 15. connecting ear 2, 2. connecting rod, 3. load-bearing rod, 31. slider, 32. through groove, 33. hinge hole 1, 34. rotating opening groove, 35. hinge hole 2, 36. load-bearing rod body, 4. return roller group, 41. inclined roller 1, 42. connecting plate, 43. inclined roller 2, 44. connecting shaft 1, 45. connecting shaft 2, 5. carrying roller group, 51. trough beam, 52. hinge ear, 53. rotating shaft, 54. flat roller, 55. side roller, 56. side belt roller, 57. retaining ring, 58. belt pressure roller. DETAILED DESCRIPTION

[0025] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.

[0026] Example 1

[0027] The utility model discloses a belt conveying roller device capable of adjusting the turning radius. The structure of the belt conveying roller device is as follows: Figure 1 As shown, it includes multiple groups of conveying roller bodies connected in sequence, and each group of conveying roller bodies includes a base 1 that is symmetrically fixed. A load-bearing rod 3 is slidably connected to the base 1. The tops of the two load-bearing rods 3 are rotatably connected to a carrying roller group 5. A return roller group 4 is hinged on one side of the two load-bearing rods 3 that are close to each other, and a connecting rod 2 is connected on one side of the two bases 1 that are close to each other.

[0028] An electric cylinder 6 is also fixed on the base 1 below the bearing rod 3 , and an output end of the electric cylinder 6 is fixed below the bearing rod 3 .

[0029] The base 1 includes a fixed plate 11, on which a base bracket 12 connected to the fixed plate 11 as a whole and arranged in a "concave" shape is arranged. Slide rails 13 are symmetrically provided on both sides of the "concave" inner part of the base bracket. Two base brackets 12 of the same group of conveying roller bodies have corresponding "concave"-shaped two side walls symmetrically provided with connecting ears 15. The two base brackets 12 of the same group of conveying roller bodies are connected by connecting the connecting ears 15 on the corresponding side through a connecting rod 2. The base brackets 12 are also provided with connecting ears 14 on both sides corresponding to adjacent groups of conveying roller bodies. The two adjacent groups of conveying roller bodies are connected by connecting the corresponding connecting ears 14 through the connecting rod 2. The load-bearing rod 3 is slidably connected to the slide rail 13, and the electric cylinder 6 is fixed to the "concave" inner bottom of the base bracket 12.

[0030] The bearing rod 3 includes a bearing rod main body 36 corresponding to the "concave" shape of the base bracket 12, and sliders 31 are arranged at the lower ends of both sides of the bearing rod main body 36 corresponding to the slide rail 13. A through groove 32 is opened in the middle of the bearing rod main body 36, and one end of the return roller group 4 is hinged in the through groove 32 of the two bearing rod main bodies 36 respectively. The tops of the two bearing rod main bodies 36 are respectively rotatably connected to the two ends of the carrying roller group 5, and the output end of the electric cylinder 6 is fixedly connected to the bottom of the bearing rod main body 36.

[0031] In this embodiment, when using the belt conveyor roller device with adjustable turning radius of the utility model, according to the size of the turning radius, several belt conveyor roller devices with adjustable turning radius of the utility model are used in combination, and according to the size of the turn and the corresponding installation position of each belt conveyor roller device with adjustable turning radius, the height that the bearing rods on both sides corresponding to each group of belt conveyor roller devices with adjustable turning radius need to be raised or lowered is calculated, and then the electric cylinders 6 on both sides are controlled to move up and down, and the slider 31 on the bearing rod 3 slides on the slide rail 13 inside the base 1 to work at a suitable height, one end is raised and the other end is lowered, or one end is raised and the other end remains unchanged, or one end remains unchanged and the other end is lowered, and several groups of belt conveyor roller devices with adjustable turning radius are combined to realize the turning of the conveyor belt and the adjustable turning radius.

[0032] Example 2

[0033] On the basis of Example 1, Figure 4 As shown, the return roller group 4 includes an inclined roller 1 41, an inclined roller 2 43 and two symmetrically arranged connecting plates 42, one end of the two connecting plates 42 is hinged with the inclined roller 1 41 through a pin shaft passing through the two connecting plates 42, and the other end of the two connecting plates 42 is hinged with the inclined roller 2 43 through a pin shaft passing through the two connecting plates 42, and the ends of the inclined roller 1 41 and the inclined roller 2 43 away from the connecting plates 42 are respectively hinged in the through groove 32 on the corresponding side, and the roller axes of the inclined roller 1 41 and the inclined roller 2 43 gradually tilt upward from the end close to the connecting plate 42 to the end away from the connecting plate 42.

[0034] A hinge hole 33 is provided on both sides of the through groove 32, and the roller shaft of the inclined roller 41 at one end away from the connecting plate 42 is fixedly connected to a connecting shaft 44, and the two ends of the connecting shaft 44 are respectively rotatably connected to the hinge hole 33 on the corresponding side; the roller shaft of the inclined roller 43 at one end away from the connecting plate 42 is fixedly connected to a connecting shaft 45, and the two ends of the connecting shaft 45 are respectively rotatably connected to the hinge hole 33 on the corresponding side.

[0035] On the basis of Example 1, since the height of the load-bearing rod 3 is adjusted, the return roller group 4 installed on the load-bearing rod 3 is linked at the same time, and the inclined roller 1 41 and the inclined roller 2 43 on both sides of the return roller group 4 are deflected at a certain angle due to the adjustment of the load-bearing rod 3, and the surface contact area with the turning conveyor belt is increased, making the operation smoother, reducing wear and extending the service life.

[0036] Example 3

[0037] On the basis of Example 2, Figure 5 As shown, the carrying roller group 5 includes a trough beam 51, and a flat roller 54 is horizontally rotatably arranged on the middle side of the trough beam 51. Side rollers 55 are rotatably arranged at both ends of the flat roller 54 on the trough beam 51, and the roller axes of the side rollers 55 gradually tilt upward from one end close to the flat roller 54 to the end away from the flat roller 54. Side belt rollers 56 are rotatably arranged at the ends of the two side rollers 55 on the trough beam 51 away from the flat roller 54. The end of the side belt roller 56 away from the corresponding side roller 55 is tilted upward toward the side close to the flat roller 54. Belt holding rollers 58 are rotatably arranged at both ends of the two side rollers 55 on the trough beam 51. The belt holding rollers 58 are located above the side rollers 55 on the corresponding side and are parallel to the rotation axis of the side rollers 55 on the corresponding side.

[0038] The rotation axis of the side belt roller 56 is perpendicular to the rotation axis of the side support roller 55 on the corresponding side.

[0039] A retaining ring 57 protruding in the radial direction is provided at the upper end of the side retaining roller 56 .

[0040] On the basis of Example 2, when this embodiment is implemented, since the height of the load-bearing bar 3 is adjusted, the carrying roller group 5 installed on the load-bearing bar 3 is simultaneously linked, and the side rollers 55 on both sides of the carrying roller group 5 are deflected at a certain angle due to the adjustment of the load-bearing bar 3, and the surface contact area with the turning conveyor belt is increased, so that the operation is smoother, the wear is reduced, and the service life is longer;

[0041] When this embodiment is implemented, the flat roller 54 and the side roller 55 are in contact with the lower surface of the conveyor belt, which can produce an overlapping effect on the support of the conveyor belt, and has a good supporting effect on the conveyor belt; the side belt blocking roller 56 and the belt pressing roller 58 help to increase the contact area between the conveyor belt and the flat roller 54 and the side roller 55, prevent the curved inner edge of the conveyor belt from tilting over a large area, avoid the conveyor belt from slipping, and improve the conveying efficiency;

[0042] The upper end of the side belt stop roller 56 is inclined inward, and the side belt stop roller 56 limits the two sides of the conveyor belt in the width direction to prevent the conveyor belt from being subjected to excessive centrifugal force and running out of the roller group; the upper end of the side belt stop roller 56 is provided with a radially protruding stop ring 57, and the stop ring 57 can further limit the conveyor belt to prevent the curved inner edge of the conveyor belt from warping over a large area and avoiding the conveyor belt from slipping, so as to improve the conveying efficiency.

[0043] Example 4

[0044] On the basis of Example 3, each roller in the return roller group 4 and the carrying roller group 5 is installed at a corresponding position through a roller bracket.

Claims

1. A belt conveyor roller device capable of adjusting the turning radius, characterized in that: It comprises a plurality of groups of conveying roller bodies connected in sequence, each group of the conveying roller bodies comprising a base (1) which is symmetrically fixedly arranged, a bearing rod (3) being slidably connected to the base (1), a transport roller group (5) being rotatably connected to the tops of two bearing rods (3), a return roller group (4) being hingedly connected to one side of the two bearing rods (3) close to each other, and a connecting rod (2) being connected to one side of the two bases (1) close to each other.

2. The belt conveyor roller device capable of adjusting the turning radius according to claim 1, characterized in that: An electric cylinder (6) is also fixed on the base (1) below the bearing rod (3), and an output end of the electric cylinder (6) is fixed below the bearing rod (3).

3. The belt conveyor roller device capable of adjusting the turning radius according to claim 2, characterized in that: The base (1) comprises a fixing plate (11), on which a base bracket (12) connected to the fixing plate (11) as a whole and arranged in a "concave" shape is arranged, and slide rails (13) are symmetrically provided on both sides of the "concave" shape of the base bracket (12), and two connecting ears (15) are symmetrically provided on the two side walls of the "concave" shape corresponding to the corresponding side of the two base brackets (12) of the same group of conveying roller bodies, and the two base brackets (12) of the same group of conveying roller bodies are connected by connecting the two connecting ears (15) on the corresponding side through a connecting rod (2), and the base brackets (12) are further provided with connecting ears (14) on both sides corresponding to adjacent groups of conveying roller bodies, and the two adjacent groups of conveying roller bodies are connected by connecting the corresponding connecting ears (14) through the connecting rod (2), and the bearing rod (3) is slidably connected to the slide rails (13), and the electric cylinder (6) is fixed to the inner bottom of the "concave" shape of the base bracket (12).

4. The belt conveyor roller device capable of adjusting the turning radius according to claim 3 is characterized in that: The bearing rod (3) comprises a bearing rod body (36) corresponding to the "concave" shape of the base bracket (12); sliders (31) are arranged at the lower ends of both sides of the bearing rod body (36) corresponding to the slide rail (13); a through groove (32) is opened in the middle of the bearing rod body (36); one end of the return roller group (4) is hinged in the through grooves (32) of the two bearing rod bodies (36); the tops of the two bearing rod bodies (36) are rotatably connected to the two ends of the carrying roller group (5); and the output end of the electric cylinder (6) is fixedly connected to the bottom of the bearing rod body (36).

5. The belt conveyor roller device capable of adjusting turning radius according to claim 4, characterized in that: The return roller group (4) comprises an inclined roller 1 (41), an inclined roller 2 (43) and two symmetrically arranged connecting plates (42), one end of the two connecting plates (42) being hingedly connected to the inclined roller 1 (41) through a pin shaft passing through the two connecting plates (42), and the other end of the two connecting plates (42) being hingedly connected to the inclined roller 2 (43) through a pin shaft passing through the two connecting plates (42), and the ends of the inclined roller 1 (41) and the inclined roller 2 (43) away from the connecting plates (42) are respectively hingedly connected in the through groove (32) on the corresponding side, and the roller shafts of the inclined roller 1 (41) and the inclined roller 2 (43) are gradually inclined upward from the end close to the connecting plate (42) to the end away from the connecting plate (42).

6. The belt conveyor roller device capable of adjusting turning radius according to claim 5, characterized in that: A hinge hole (33) is provided on both sides of the through groove (32); a roller shaft of the inclined roller (41) at one end away from the connecting plate (42) is fixedly connected to a connecting shaft (44), and two ends of the connecting shaft (44) are respectively rotatably connected to the hinge hole (33) on the corresponding side; a roller shaft of the inclined roller (43) at one end away from the connecting plate (42) is fixedly connected to a connecting shaft (45), and two ends of the connecting shaft (45) are respectively rotatably connected to the hinge hole (33) on the corresponding side.

7. The belt conveyor roller device capable of adjusting turning radius according to claim 5 or 6, characterized in that: The carrying roller group (5) comprises a trough beam (51), a flat roller (54) being rotatably arranged on the middle side surface of the trough beam (51), and side rollers (55) being rotatably arranged at both ends of the flat roller (54) on the trough beam (51), the roller shafts of the side rollers (55) being gradually inclined upward from an end close to the flat roller (54) to an end away from the flat roller (54), and the two side rollers (55) on the trough beam (51) are A side belt blocking roller (56) is rotatably provided at one end away from the flat roller (54), and one end of the side belt blocking roller (56) away from the corresponding side roller (55) is inclined upward toward a side close to the flat roller (54). A belt holding roller (58) is rotatably provided at both ends of the two side rollers (55) on the trough beam (51), and the belt holding roller (58) is located above the corresponding side roller (55) and parallel to the rotation axis of the corresponding side roller (55).

8. The belt conveyor roller device capable of adjusting turning radius according to claim 7, characterized in that: The rotation axis of the side belt blocking roller (56) is perpendicular to the rotation axis of the side supporting roller (55) on the corresponding side.

9. The belt conveyor roller device capable of adjusting turning radius according to claim 7, characterized in that: The upper end of the side belt blocking roller (56) is provided with a blocking ring (57) protruding in its radial direction.

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