Belt type conveying carrier roller device capable of achieving plane turning

Abstract

The utility model discloses a belt type conveying carrier roller device capable of realizing plane turning, which comprises a lower cross beam, buffer devices symmetrically and slidably sleeved at two ends of the lower cross beam, an upper cross beam rotatably arranged at the middle position above the lower cross beam, and adjusting devices symmetrically arranged at two ends above the lower cross beam. The other ends of the two adjusting devices are slidably connected to the lower portion of the upper cross beam on the corresponding side, a flat carrier roller is horizontally and rotatably arranged on the upper cross beam, side carrier rollers are symmetrically and rotatably arranged at the positions, located at the two ends of the flat carrier roller, of the upper cross beam, side belt blocking rollers are symmetrically and rotatably arranged at the two ends of the cross beam, and upper belt blocking rollers are rotatably arranged above the two ends of the upper cross beam. The belt type conveying carrier roller device capable of achieving plane turning solves the problems that in the prior art, due to the fact that turning is achieved through lap joint of a plurality of belt conveyors, the installation workload of the belt conveyors is large, and 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 which can realize plane turning. Background Art

[0002] With the improvement of TBM excavation efficiency, the original transportation system has become more complicated due to the existence of tunnel changes. The transportation distance that can be handled by a belt conveyor requires time-consuming and labor-intensive work such as re-installing the machine head, motor, and belt bin after turning. Therefore, it is imperative to carry out a systematic and overall transformation and upgrading of the belt conveyors in coal enterprises. In the prior art, the circular turning of belt conveyors is usually achieved by setting multiple belt conveyors at the turning point of the tunnel, which can achieve any angle between 0-90° to the left and right, but the disadvantage is that the transportation system is complicated and the installation of the belt conveyor and the workload of the belt driver are increased. Therefore, it is necessary to propose a belt conveyor roller device that can achieve plane turning to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a belt conveyor roller device capable of realizing plane turning, which solves the problems existing in the prior art of realizing turning by overlapping multiple belt conveyors, resulting in the installation workload of the belt conveyors and the complexity of the transportation system.

[0004] The technical scheme adopted by the utility model is a belt conveyor roller device capable of realizing plane turning, comprising a lower cross beam, buffer devices are symmetrically slidably sleeved at both ends of the lower cross beam, an upper cross beam is rotatably arranged at the middle position above the lower cross beam, and adjustment devices are symmetrically arranged at both ends above the lower cross beam, and the other ends of the two adjustment devices are respectively slidably connected to the lower side of the upper cross beam on the corresponding side, a flat roller is horizontally rotatably arranged on the upper cross beam, side rollers are symmetrically rotatably arranged at both ends of the flat roller on the upper cross beam, side stop rollers are symmetrically rotatably arranged at both ends of the cross beam, and upper stop rollers are rotatably arranged above both ends of the upper cross beam.

[0005] Preferably, the buffer device includes a buffer box fixed on the belt conveyor bracket, a slide groove is provided in the side of the buffer box close to the lower cross beam, a buffer spring is fixedly connected to the slide groove of the buffer box, the other end of the buffer spring is fixedly connected to the lower cross beam at the corresponding end, and the lower cross beam at the corresponding end slides in the slide groove of the buffer box.

[0006] Preferably, the upper cross beam includes a flat beam portion rotatably installed in the middle position above the lower cross beam, and side beam portions are symmetrically fixedly connected at both ends of the flat beam portion. The end of the side beam portion away from the flat beam portion is inclined upward, and a rolling groove is opened on the lower surface of the side beam portion along its length direction, and the end of the adjustment device away from the lower cross beam is slidably connected in the rolling groove. A third bracket is also fixedly connected to one side of the two side beam portions, and the side rollers are rotatably fixed on the third bracket. A first bracket and a second bracket are also fixedly provided at one end of the side beam portion away from the flat beam portion, and a side belt stop roller and an upper belt stop roller are rotatably provided on the first bracket and the second bracket, respectively, and the rotation axis of the side roller is perpendicular to the rotation axis of the side belt stop roller on the corresponding side, the rotation axis of the upper belt stop roller is parallel to the rotation axis of the side roller on the corresponding side, and the rotation axis of the side roller is parallel to the side beam portion.

[0007] Preferably, a connecting ear is provided at the middle position of the lower surface of the flat beam portion, and a connecting ear is provided at the middle position above the lower cross beam, and the connecting ear of the flat beam portion and the connecting ear of the lower cross beam are hinged.

[0008] Preferably, a radially protruding retaining ring is provided at the upper end of the side belt retaining roller.

[0009] Preferably, the adjusting device includes a jack base symmetrically fixed at both ends above the lower cross beam, a top rod is threadedly connected to the jack base, a top cap is rotatably installed on the top of the top rod, a mounting groove is opened on the top of the top cap, a bearing outer roller is rotatably arranged in the mounting groove, and the bearing outer roller is rotatably connected in the rolling groove on the corresponding side.

[0010] Preferably, a rotating handle is fixedly provided on the upper end of the top rod below the top cap.

[0011] Preferably, the push rod and the jack base are spirally driven via threads, and the threads used for transmission meet self-locking conditions.

[0012] The beneficial effects of the utility model are:

[0013] The utility model can select a suitable height through an adjustment device according to the size of the turning radius, raise one end of the upper cross beam and lower the other end, and combine several groups to realize the turning of the conveyor belt. During the turning process, the upper cross beam contacts the lower surface of the conveyor belt, increasing the contact area between the conveyor belt and the lower cross beam, preventing the curved inner edge of the conveyor belt from tilting over a large area, avoiding the conveyor belt from slipping, and improving the conveying efficiency.

[0014] 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.

[0015] The utility model has been set through the adjustment device to realize the turning of the conveyor belt. When the weight of the material on the conveyor belt becomes larger, the centrifugal force of the conveyor belt at the turning part increases, the lower cross beam is involved and driven to move outward, and the buffer spring in the outer buffer device is compressed to ensure that the material on the conveyor belt is not spilled. When the weight of the material on the conveyor belt is restored, the outer buffer spring rebounds to move the conveyor belt to the initial position. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the belt conveyor roller device capable of realizing plane turning of the utility model;

[0017] Figure 2 It is a structural schematic diagram of a buffer device in a belt conveyor roller device capable of realizing plane turning of the utility model;

[0018] Figure 3 It is a structural schematic diagram of an upper crossbeam in a belt conveyor roller device capable of realizing plane turning of the utility model;

[0019] Figure 4 The utility model is a structural schematic diagram of an adjusting device in a belt conveying roller device capable of realizing plane turning.

[0020] In the figure: 1. buffer device, 11. buffer spring, 12. buffer box, 2. lower cross beam, 3. upper cross beam, 31. flat beam part, 32. side beam part, 33. rolling groove, 34. first bracket, 35. second bracket, 36. third bracket, 37 retaining ring, 4. adjusting device, 41. jack base, 42. push rod, 43. top cap, 44. bearing outer roller, 45. handle, 46. mounting groove, 5. flat roller, 6. side roller, 7. side belt roller, 8. upper belt roller. DETAILED DESCRIPTION

[0021] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.

[0022] Example 1

[0023] A belt conveyor roller device capable of realizing plane turning comprises a lower crossbeam 2, wherein buffer devices 1 are symmetrically slidably sleeved at both ends of the lower crossbeam 2, an upper crossbeam 3 is rotatably arranged at the middle position above the lower crossbeam 2, and adjustment devices 4 are symmetrically arranged at both ends above the lower crossbeam 2, and the other ends of the two adjustment devices 4 are respectively slidably connected to the lower part of the upper crossbeam 3 on the corresponding side, a flat roller 5 is horizontally rotatably arranged on the upper crossbeam 3, and side rollers 6 are symmetrically rotatably arranged at both ends of the flat roller 5 on the upper crossbeam 3, side stop rollers 7 are symmetrically rotatably arranged at both ends of the crossbeam 3, and upper stop rollers 8 are rotatably arranged above both ends of the upper crossbeam 3.

[0024] In this embodiment, according to the size of the turning radius, a suitable height can be selected through the adjustment device, one end of the upper crossbeam 3 can be raised and the other end can be lowered, and several groups can be combined to achieve the turning of the conveyor belt.

[0025] During the turning process, the flat roller 5 and the two side rollers 6 on the upper beam 3 are in contact with the lower surface of the conveyor belt, which can produce an overlapping effect on the support of the conveyor belt, have a good supporting effect on the conveyor belt, and will not damage the conveyor belt; the side stop rollers 7 and the upper stop rollers 8 help to increase the contact area between the conveyor belt and the upper beam 3, prevent the curved inner edge of the conveyor belt from tilting over a large area, and avoid the conveyor belt from slipping, so as to improve the conveying efficiency; and, after the conveyor belt has been set through the adjustment device 4 to realize the turning of the conveyor belt, when the weight of the material on the conveyor belt becomes larger, the centrifugal force of the conveyor belt in the turning part increases, and the lower beam is implicated and driven, and the lower beam 2 and the buffer device 1 are slidably connected to make the lower beam 2 slide outward to ensure that the material on the conveyor belt does not spill. When the weight of the material on the conveyor belt is restored, the buffer device 1 slides the lower beam 2 supporting the conveyor belt to its initial position.

[0026] Example 2

[0027] Based on Example 1, the buffer device 1 includes a buffer box 12 fixed on the belt conveyor bracket, and a slide groove is arranged in the side of the buffer box 12 close to the lower beam 2. A buffer spring 11 is fixedly connected to the slide groove of the buffer box 12, and the other end of the buffer spring 11 is fixedly connected to the lower beam 2 at the corresponding end, and the lower beam 2 at the corresponding end slides in the slide groove of the buffer box 12.

[0028] The upper crossbeam 3 includes a flat beam portion 31 rotatably mounted at the middle position above the lower crossbeam 2, and side beam portions 32 are symmetrically fixedly connected at both ends of the flat beam portion 31. The end of the side beam portion 32 away from the flat beam portion 31 is inclined upward, and a rolling groove 33 is opened on the lower surface of the side beam portion 32 along its length direction. The end of the adjusting device 4 away from the lower crossbeam 2 is slidably connected in the rolling groove 33. A third bracket 36 is also fixedly connected to one side of the two side beam portions 32, and the side roller 6 is rotatably fixed on the third bracket 36. A first bracket 34 and a second bracket 35 are also fixedly arranged at one end of the side beam portion 32 away from the flat beam portion 31, and a side stop roller 7 and an upper stop roller 8 are rotatably arranged on the first bracket 34 and the second bracket 35 respectively, and the rotation axis of the side roller 6 is perpendicular to the rotation axis of the side stop roller 7 on the corresponding side, and the rotation axis of the upper stop roller 8 is parallel to the rotation axis of the side roller 6 on the corresponding side, and the rotation axis of the side roller 6 is parallel to the side beam portion 32; a radially protruding stop ring 37 is provided on the upper end of the side stop roller 7.

[0029] The adjusting device 4 includes a jack base 41 symmetrically fixed at both ends above the lower cross beam 2, a top rod 42 is threadedly connected to the jack base 41, a top cap 43 is rotatably installed on the top of the top rod 42, a mounting groove 46 is opened on the top of the top cap 43, a bearing outer roller 44 is rotatably arranged in the mounting groove 46, and the bearing outer roller 44 is rotatably connected in the rolling groove 33 on the corresponding side.

[0030] In this embodiment, the adjusting device 4 adjusts the extension length of the push rod 42 in the jack base 41 through the thread, and then the outer roller 44 of the bearing is located in the rolling groove 33 and rolls in the rolling groove 33, driving the flat beam part 31 to rotate on the lower beam 2, so that one end of the upper beam 3 is raised and the other end is lowered. When adjusting the push rod 42, the angles required to raise the outer sides of several groups of conveyor belt brackets are calculated according to the size of the turning radius, and the adjusting device is used to select the appropriate height. Several groups are combined respectively to realize the turning of the conveyor belt;

[0031] During the turning process, the flat roller 5 and the two side rollers 6 on the upper crossbeam 3 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 without damaging the conveyor belt; the side belt blocking rollers 7 and the upper belt blocking rollers 8 help to increase the contact area between the conveyor belt and the upper crossbeam 3, prevent the curved inner edge of the conveyor belt from tilting over a large area, and avoid the conveyor belt from slipping, so as to improve the conveying efficiency;

[0032] The working principle of the buffer device 1 is as follows: after the conveyor belt has been turned by setting the adjustment device, when the weight of the material on the conveyor belt increases, the centrifugal force of the conveyor belt at the turning part increases, and the lower beam 2 is involved and driven. The buffer spring 11 in the buffer device 1 is compressed, causing the lower beam 2 to slide outward to ensure that the material on the conveyor belt does not spill. When the weight of the material on the conveyor belt is restored, the buffer spring 11 rebounds and slides the lower beam 2 supporting the conveyor belt to its initial position.

[0033] The upper end of the side belt stop roller 7 is inclined inward, and the side belt stop roller 7 limits the two sides of the conveyor belt in the width direction to prevent the conveyor belt from running out of the roller group due to excessive centrifugal force; the upper end of the side belt stop roller 7 is provided with a radially protruding stop ring. If the conveyor belt moves outward too much, the stop ring 37 can further limit the conveyor belt.

[0034] Example 3

[0035] On the basis of Example 2, a connecting ear is provided at the middle position of the lower surface of the flat beam portion 31, and a connecting ear is provided at the middle position above the lower cross beam 2. The connecting ear of the flat beam portion 31 and the connecting ear of the lower cross beam 2 are hinged.

[0036] A rotating handle 45 is fixedly provided at the upper end of the top rod 42 below the top cap 43 for convenient two-handed operation when rotating and adjusting the height of the top rod 42 .

[0037] The push rod 42 and the jack base 41 are screw-driven via threads, and the threads used for transmission meet the self-locking condition.

Claims

1. A belt conveyor roller device capable of realizing plane turning, characterized in that: The utility model comprises a lower cross beam (2), wherein the two ends of the lower cross beam (2) are symmetrically provided with a buffer device (1), an upper cross beam (3) is rotatably provided at the middle position above the lower cross beam (2), and the two ends above the lower cross beam (2) are also symmetrically provided with an adjustment device (4), and the other ends of the two adjustment devices (4) are respectively slidably connected to the lower part of the upper cross beam (3) on the corresponding side, a flat roller (5) is horizontally rotatably provided on the upper cross beam (3), and side rollers (6) are symmetrically rotatably provided at the two ends of the flat roller (5) on the upper cross beam (3), and side stop rollers (7) are symmetrically rotatably provided at the two ends of the cross beam (3), and upper stop rollers (8) are rotatably provided above the two ends of the upper cross beam (3).

2. The belt conveyor roller device capable of realizing plane turning according to claim 1, characterized in that: The buffer device (1) comprises a buffer box (12) fixed on a belt conveyor bracket, a slide groove is arranged in a side of the buffer box (12) close to the lower cross beam (2), a buffer spring (11) is fixedly connected to the slide groove of the buffer box (12), the other end of the buffer spring (11) is fixedly connected to the lower cross beam (2) at the corresponding end, and the lower cross beam (2) at the corresponding end slides in the slide groove of the buffer box (12).

3. The belt conveyor roller device capable of realizing plane turning according to claim 1 or 2, characterized in that: The upper cross beam (3) comprises a flat beam portion (31) rotatably mounted at a middle position above the lower cross beam (2), the two ends of the flat beam portion (31) are symmetrically fixedly connected with side beam portions (32), one end of the side beam portion (32) away from the flat beam portion (31) is inclined upward, a rolling groove (33) is provided on the lower surface of the side beam portion (32) along its length direction, the end of the adjustment device (4) away from the lower cross beam (2) is slidably connected in the rolling groove (33), one side of the two side beam portions (32) is also fixedly connected with a third bracket (36), and the side roller (6) is rotatable. The side beam portion (32) is fixed on the third bracket (36), and one end thereof away from the flat beam portion (31) is also fixedly provided with a first bracket (34) and a second bracket (35); a side belt stop roller (7) and an upper belt stop roller (8) are rotatably provided on the first bracket (34) and the second bracket (35), respectively; the rotation axis of the side roller (6) is perpendicular to the rotation axis of the side belt stop roller (7) on the corresponding side; the rotation axis of the upper belt stop roller (8) is parallel to the rotation axis of the side roller (6) on the corresponding side; and the rotation axis of the side roller (6) is parallel to the side beam portion (32).

4. The belt conveyor roller device capable of realizing plane turning according to claim 3 is characterized in that: A connecting ear is provided at the middle position of the lower surface of the flat beam portion (31), and a connecting ear is provided at the middle position above the lower cross beam (2). The connecting ear of the flat beam portion (31) and the connecting ear of the lower cross beam (2) are hinged.

5. The belt conveyor roller device capable of realizing plane turning according to claim 3, characterized in that: The upper end of the side belt blocking roller (7) is provided with a radially protruding blocking ring (37).

6. The belt conveyor roller device capable of realizing plane turning according to claim 3, characterized in that: The adjusting device (4) comprises a jack base (41) symmetrically fixed at two ends above the lower cross beam (2); a push rod (42) is connected to the jack base (41) via a thread; a top cap (43) is rotatably mounted on the top of the push rod (42); a mounting groove (46) is provided on the top of the top cap (43); a bearing outer roller (44) is rotatably mounted in the mounting groove (46); and the bearing outer roller (44) is rotatably connected in the rolling groove (33) on the corresponding side.

7. The belt conveyor roller device capable of realizing plane turning according to claim 6, characterized in that: The upper end of the top rod (42) is located below the top cap (43) and is also fixedly provided with a rotating handle (45).

8. The belt conveyor roller device capable of realizing plane turning according to claim 7, characterized in that: The push rod (42) and the jack base (41) are screw-driven via a thread, and the thread used for transmission must meet a self-locking condition.

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