Small-angle turning device for belt conveyor

Abstract

The invention relates to a small-angle turning device for a belt conveyor, which comprises two groups of transition supports and mounting supports which are symmetrically arranged on the front side and the rear side, a conveying frame is mounted between each group of transition supports and mounting supports, and the turning device is positioned between the conveying frames on the two sides and comprises a support frame group; the supporting frame set comprises a first middle frame, a second middle frame and a third middle frame which are connected with one another, the first middle frame, the second middle frame and the third middle frame are supported through a plurality of H-shaped supports, and a plurality of groove-shaped carrier rollers are installed on the upper surfaces of the first middle frame, the second middle frame and the third middle frame in the conveying direction of the first middle frame, the second middle frame and the third middle frame. A plurality of bent section lower carrier rollers are mounted on the lower surfaces of the first middle frame, the second middle frame and the third middle frame in the conveying direction; an upper deviation adjusting carrier roller and a lower deviation adjusting carrier roller are installed on the inner curve sides of the first middle frame, the second middle frame and the third middle frame. The device has the beneficial effects of being flexible in adjustment, preventing material scattering, improving the safety effect and the production efficiency and the like.

Description

Technical Field

[0001] The invention relates to a turning device, in particular to a small-angle turning device for a belt conveyor, and belongs to the technical field of belt conveyor equipment. Background Art

[0002] A belt conveyor is a friction-driven machine that continuously transports materials. It boasts advantages such as large conveying capacity, strong adaptability, simple structure, easy maintenance, and standardized components. It is widely used in industries such as mining, electricity, metallurgy, ports, and coal. In underground coal mines, the transportation of coal or gangue is primarily accomplished by belt conveyors. Traditional belt conveyors are generally only capable of linear transport, but due to the ever-changing geographical conditions underground, traditional belt conveyors cannot achieve horizontal turns during normal extension. Turns and other situations often require overlapping belts. Overlapping belts increases the number of devices at the head and tail of the belt conveyor, occupies a larger space, and increases the complexity of the system.

[0003] Therefore, there is an urgent need to design a small-angle turning device for belt conveyors to meet production needs. Summary of the Invention

[0004] The present invention is mainly aimed at the above-mentioned problems existing in the prior art, and provides a small-angle turning device for a belt conveyor. The turning device has a simple structure, can be bent freely, reduces transfer points, saves costs, and realizes a revolutionary change in belt transportation.

[0005] The purpose of the present invention is mainly achieved through the following solutions: The small-angle turning device for the belt conveyor includes two groups of transition supports and mounting supports symmetrically arranged on the front and rear sides, and a conveying frame is installed between each group of the transition supports and mounting supports. The turning device is located between the conveying frames on both sides, and includes a support frame group, and the support frame group includes a first intermediate frame, a second intermediate frame and a third intermediate frame connected to each other, and the first intermediate frame, the second intermediate frame and the third intermediate frame are supported by a plurality of H-shaped frames, and the first intermediate frame, the second intermediate frame and the third intermediate frame are installed on the upper parts of the two opposite inner sides of the H-shaped frame, and the upper surfaces of the first intermediate frame, the second intermediate frame and the third intermediate frame are installed with a plurality of trough-shaped rollers along their conveying direction, and the lower surfaces of the first intermediate frame, the second intermediate frame and the third intermediate frame are installed with a plurality of curved section lower rollers along their conveying direction; the inner curve sides of the first intermediate frame, the second intermediate frame and the third intermediate frame are installed with upper adjustment rollers used in conjunction with the trough rollers and lower adjustment rollers used in conjunction with the curved section lower rollers.

[0006] Preferably, the two mounting supports at both ends are overlapped above the outer ends of the first intermediate frame and the third intermediate frame respectively.

[0007] Preferably, each of the first intermediate frame and the third intermediate frame is provided with one, and at least two second intermediate frames are provided, and the first intermediate frame and the adjacent second intermediate frame, the two adjacent second intermediate frames, and the third intermediate frame and the adjacent second intermediate frame are fixedly connected by connecting plates and fixing bolts, and the first intermediate frame, the second intermediate frame and the third intermediate frame form a turning arc after being connected.

[0008] Preferably, the first intermediate frame, the second intermediate frame and the third intermediate frame are a group of arc-shaped connecting frames located on both sides, the cross-section of the two arc-shaped connecting frames is a U-shaped structure, and the two U-shaped openings are arranged opposite to each other.

[0009] Preferably, the trough-shaped roller includes a support plate, a first vertical support rod located on both sides of the upper surface of the support plate, two symmetrically arranged mounting plates are provided in the middle of the support plate, an intermediate flat roller is rotatably connected between the two mounting plates, and an inclined side roller is rotatably connected between the top of the first vertical support rod and the mounting plate, and the angle between the side roller and the intermediate flat roller is 30 degrees to 50 degrees.

[0010] Preferably, a lifting plate is provided on the inner curve side of the lower surface of the support plate, and the lifting plate is rotatably connected to the support frame group on the inner curve side. A first adjustment plate is provided between the support frame group on the outer curve side and the lower surface of the support plate, and a plurality of first adjustment holes are provided on the first adjustment plate along the rotation direction of the support plate.

[0011] Preferably, the upper deflection adjustment roller includes a second vertical support rod, the lower end of the second vertical support rod is fixedly mounted on the support frame group on the inner curve side, and the upper end of the second vertical support rod is rotatably connected to the first deflection adjustment roller inclined toward the grooved roller.

[0012] Preferably, the lower roller of the curved section includes a horizontal roller close to the outer curve side and an inclined roller close to the inner curve side. The horizontal roller and the inclined roller are movably connected by a connecting chain, and a second adjustment plate is installed on the lower surface of the support frame group on the outer curve side. A plurality of second adjustment holes are vertically opened on the second adjustment plate. The outer side of the inclined roller is rotatably connected to the support frame group on the inner curve side.

[0013] Preferably, the lower deflection adjustment roller includes a limit plate, which is fixedly mounted on the support frame group on the inner curve side, and the inner side of the limit plate is rotatably connected to a second deflection adjustment roller that is inclined toward the lower roller of the curved section.

[0014] Therefore, compared with the prior art, the present invention has the following advantages: (1) The present invention provides the first intermediate frame, the second intermediate frame, and the third intermediate frame, and the number of the second intermediate frames can be adjusted according to the actual construction situation to adapt to turns of different angles, and the adjustment is flexible; (2) The present invention provides the conveyor belt with the ability to automatically adjust to the center by providing the grooved rollers, curved rollers, upper adjustment rollers, lower adjustment rollers, first adjustment plates and second adjustment plates, thereby preventing material from being scattered when the conveyor belt is flattened; (3) Compared with the traditional method of increasing the number of conveyors, the present invention has a simple structure, flexible bending adjustment, reduces transfer points, saves costs, and improves safety effects and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 is a top view of the support frame assembly of the present invention; Figure 3 This is a schematic diagram of the front and rear overlap of the turning in the present invention; Figure 4 This is a schematic diagram of the installation of the grooved rollers in the present invention; Figure 5 This is a schematic diagram of the installation of the upward-adjusting eccentric roller in the present invention; Figure 6 This is a schematic diagram of the installation positions of the trough roller and the upward adjustment roller in the present invention; Figure 7 This is a schematic diagram of the installation of the lower roller of the bending section in the present invention; Figure 8 This is a schematic diagram of the installation of the downward-adjusting eccentric roller in the present invention; Figure 9 It is a schematic diagram of the installation position of the lower roller of the bending section and the lower adjustment roller in the present invention.

[0016] Illustration: 1-transition support, 2-mounting support, 3-conveyor frame, 4-first intermediate frame, 5-second intermediate frame, 6-third intermediate frame, 7-H-type bracket, 8-trough roller, 9-lower roller of bending section, 10-upper adjustment roller, 11-lower adjustment roller, 12-connecting plate, 13-support plate, 14-first vertical support rod, 15-mounting plate, 16-middle flat roller, 17-side roller, 18-lifting plate, 19-first adjustment plate, 20-first adjustment hole, 21-second vertical support rod, 22-first adjustment roller, 23-horizontal roller, 24-inclined roller, 25-connecting chain, 26-second adjustment plate, 27-second adjustment hole, 28-limiting plate, 29-second adjustment roller. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings. It should be understood that the implementation of the present invention is not limited to the following embodiments, and any form of modification and / or change made to the present invention will fall within the scope of protection of the present invention.

[0018] In the present invention, unless otherwise specified, all parts and percentages are by weight. The equipment and raw materials used are commercially available or commonly used in the art. The methods in the following embodiments, unless otherwise specified, are conventional methods in the art. The components or equipment in the following embodiments, unless otherwise specified, are all universal standard parts or components known to those skilled in the art. Their structures and principles are known to those skilled in the art through technical manuals or routine experimental methods.

[0019] Example 1: like Figure 1 、 2 As shown, the present invention provides a technical solution, a small-angle turning device for a belt conveyor, comprising two groups of transition supports 1 and mounting supports 2 symmetrically arranged on the front and rear sides, a conveying frame 3 is installed between each group of transition supports 1 and mounting supports 2 by bolts, the turning device is located between the conveying frames 3 on both sides, and comprises a support frame group, the support frame group comprises a first intermediate frame 4, a second intermediate frame 5 and a third intermediate frame 6 connected to each other, the first intermediate frame 4, the second intermediate frame 5 and the third intermediate frame 6 are supported by a plurality of H-shaped brackets 7, and the transition support 1 and the H-shaped bracket 7 are fixed with anchor bolts or anchor rods The first intermediate frame 4, the second intermediate frame 5 and the third intermediate frame 6 are installed on the two opposite inner upper parts of the H-shaped bracket 7 by bolts, and the upper surfaces of the first intermediate frame 4, the second intermediate frame 5 and the third intermediate frame 6 are installed with a plurality of trough rollers 8 along their conveying direction, and the lower surfaces of the first intermediate frame 4, the second intermediate frame 5 and the third intermediate frame 6 are installed with a plurality of curved section lower rollers 9 along their conveying direction; the inner curve sides of the first intermediate frame 4, the second intermediate frame 5 and the third intermediate frame are installed with upper adjustment bias rollers 10 used in conjunction with the trough rollers 8 and lower adjustment bias rollers 11 used in conjunction with the curved section lower rollers 9.

[0020] The two mounting supports 2 at both ends are respectively overlapped on the outer ends of the first intermediate frame 4 and the third intermediate frame 6.

[0021] Example 2: like Figure 1 、 2 As shown, the present invention provides another technical solution, a small-angle turning device for a belt conveyor, which is different from Example 1 in that each of the first intermediate frame 4 and the third intermediate frame 6 is provided with one, and the second intermediate frame 5 is provided with at least two, and the first intermediate frame 4 and the adjacent second intermediate frame 5, the two adjacent second intermediate frames 5, and the third intermediate frame 6 and the adjacent second intermediate frame 5 are fixedly connected by connecting plates 12 and fixing bolts, and the first intermediate frame 4, the second intermediate frame 5 and the third intermediate frame 6 form a turning arc after being connected.

[0022] Taking a 10-degree turn as an example, the turning radius is 86 meters, and it is necessary to set up 3 second intermediate frames, 11 H-shaped brackets 7, 20 trough rollers 8, 15 bending section lower rollers 9, 10 upward adjustment rollers 10 and 5 downward adjustment rollers 11.

[0023] like Figure 3 As shown, the first intermediate frame 4, the second intermediate frame 5 and the third intermediate frame 6 are all a group of arc-shaped connecting frames located on both sides. The cross-section of the two arc-shaped connecting frames is a U-shaped structure, and the two U-shaped openings are arranged opposite to each other.

[0024] Example 3: like Figure 4 、 5 As shown in Figure 6, the present invention provides another technical solution, a small-angle turning device for a belt conveyor, which is different from Example 1 in that the trough roller 8 includes a support plate 13 and a first vertical support rod 14 located on both sides of the upper surface of the support plate 13. Two symmetrically arranged mounting plates 15 are provided in the middle of the support plate 13. An intermediate flat roller 16 is rotatably connected between the two mounting plates 15 via a rotating shaft. An inclined side roller 17 is rotatably connected between the top of the first vertical support rod 14 and the mounting plate 15 via a rotating shaft. The angle between the side roller 17 and the intermediate flat roller 16 is 30 degrees to 50 degrees, preferably 45 degrees, so that the conveyor belt has good centering automatic adjustment capability.

[0025] Specifically, a lifting plate 18 is fixedly installed on the inner curve side of the lower surface of the support plate 13 by bolts, and the lifting plate 18 and the support frame group on the inner curve side are rotatably connected by a rotating shaft. A first adjustment plate 19 is installed between the support frame group on the outer curve side and the lower surface of the support plate 13 by bolts. A plurality of first adjustment holes 20 are provided on the first adjustment plate 19 along the rotation direction of the support plate 13. When the support plate 13 is fixed to the first adjustment plate 19 through the topmost first adjustment hole 20, the support plate 13 is in a horizontal state at this time. When the support plate 13 is connected to the first adjustment hole 20 below, an inner curve lifting angle is formed, the purpose of which is to reduce the turning radius and prevent the material from rolling outward. Repeated practice has proved that a lifting angle range of 3-6 degrees can effectively prevent the material from spilling.

[0026] Specifically, the upper deflection adjustment roller 10 includes a second vertical support rod 21, the lower end of the second vertical support rod 21 is fixedly installed on the support frame group on the inner curve side by bolts, and the upper end of the second vertical support rod 21 is rotatably connected to the first deflection adjustment roller 22 inclined toward the trough roller 8 through a rotating shaft. When the support plate 13 is in a horizontal state, the first deflection adjustment roller 22 is perpendicular to the side roller 17. The first deflection adjustment roller 22 is an emergency measure. When the belt deviates between the inner curve and the outer curve, it can be restricted by the first deflection adjustment roller 22.

[0027] like Figure 7 、8 As shown in Figure 9, the lower roller 9 of the curved section includes a horizontal roller 23 close to the outer curve side and an inclined roller 24 close to the inner curve side. The horizontal roller 23 and the inclined roller 24 are both rotatably connected to the rotating rod. The rotating rod between the horizontal roller 23 and the inclined roller 24 is movably connected by a connecting chain 25, and a second adjustment plate 26 is installed on the lower surface of the support frame group on the outer curve side. A plurality of second adjustment holes 27 are vertically opened on the second adjustment plate 26. The outer side of the inclined roller 24 is rotatably connected to the support frame group on the inner curve side through a rotating shaft. When the rotating rod of the horizontal roller 23 is connected to the second adjustment plate 26 through the lowermost second adjustment hole 27, the horizontal roller 23 is in a horizontal state.

[0028] Specifically, the lower deflection adjustment roller 11 includes a limit plate 28, which is fixedly installed on the support frame group on the inner curve side by bolts, and the inner side of the limit plate 28 is rotatably connected to the second deflection adjustment roller 29 inclined toward the lower roller 9 of the curved section. When the horizontal roller 23 is in a horizontal state, the second deflection adjustment roller 29 is perpendicular to the inclined roller 24, which can effectively prevent deviation.

[0029] The small-angle turning device for a belt conveyor provided by the present invention can adjust the number of the second intermediate frames according to actual construction conditions to adapt to turns of different angles by means of the provided first intermediate frame, second intermediate frame and third intermediate frame, and has flexible adjustment; by means of the provided trough rollers, curved section rollers, upper adjustment offset rollers, lower adjustment offset rollers, first adjustment plates and second adjustment plates, the conveyor belt can be automatically adjusted to the center to prevent material from being scattered when the conveyor belt is flattened; compared with the traditional method of adding the number of conveyors, the device has a simple structure, flexible bending adjustment, reduces transfer points, saves costs, and improves safety effects and production efficiency.

[0030] It should be understood that this embodiment is only used to illustrate the present invention and is not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall equally within the scope limited by the appended claims of the application.

Claims

1. A small-angle turning device for a belt conveyor, comprising two sets of transition supports (1) and mounting supports (2) symmetrically arranged on the front and rear sides, a conveying frame (3) being installed between each set of the transition supports (1) and the mounting supports (2), the turning device being located between the conveying frames (3) on both sides, and characterized in that: The turning device comprises a support frame group, wherein the support frame group comprises a first intermediate frame (4), a second intermediate frame (5) and a third intermediate frame (6) which are connected to each other, wherein the first intermediate frame (4), the second intermediate frame (5) and the third intermediate frame (6) are supported by a plurality of H-shaped frames (7), wherein the first intermediate frame (4), the second intermediate frame (5) and the third intermediate frame (6) are mounted on two opposite inner upper parts of the H-shaped frames (7), wherein the upper surfaces of the first intermediate frame (4), the second intermediate frame (5) and the third intermediate frame (6) are mounted with a plurality of grooved rollers (8) along their conveying direction, and the lower surfaces of the first intermediate frame (4), the second intermediate frame (5) and the third intermediate frame (6) are mounted with a plurality of curved section lower rollers (9) along their conveying direction; and an upper adjustment deflection roller (10) used in conjunction with the grooved rollers (8) and a lower adjustment deflection roller (11) used in conjunction with the curved section lower rollers (9) are mounted on the inner curved sides of the first intermediate frame (4), the second intermediate frame (5) and the third intermediate frame (6).

2. The small-angle turning device for a belt conveyor according to claim 1, characterized in that: The two mounting supports (2) at both ends are respectively overlapped above the outer ends of the first intermediate frame (4) and the third intermediate frame (6).

3. The small-angle turning device for a belt conveyor according to claim 1, characterized in that: Each of the first intermediate frame (4) and the third intermediate frame (6) is provided with one, and the second intermediate frame (5) is provided with at least two, and the first intermediate frame (4) and the adjacent second intermediate frame (5), the two adjacent second intermediate frames (5), and the third intermediate frame (6) and the adjacent second intermediate frame (5) are all fixedly connected by connecting plates (12) and fixing bolts, and the first intermediate frame (4), the second intermediate frame (5), and the third intermediate frame (6) form a turning arc after being connected.

4. The small-angle turning device for a belt conveyor according to claim 3, characterized in that: The first intermediate frame (4), the second intermediate frame (5) and the third intermediate frame (6) are all a group of arc-shaped connecting frames located on both sides, the cross-sections of the two arc-shaped connecting frames are U-shaped structures, and the two U-shaped openings are arranged opposite to each other.

5. The small-angle turning device for a belt conveyor according to claim 1, characterized in that: The trough-shaped roller (8) comprises a support plate (13), a first vertical support rod (14) located on both sides of the upper surface of the support plate (13), two symmetrically arranged mounting plates (15) are provided in the middle of the support plate (13), an intermediate flat roller (16) is rotatably connected between the two mounting plates (15), and an inclined side roller (17) is rotatably connected between the top of the first vertical support rod (14) and the mounting plate (15), and an angle between the side roller (17) and the intermediate flat roller (16) is 30 degrees to 50 degrees.

6. The small-angle turning device for a belt conveyor according to claim 5, characterized in that: A lifting plate (18) is provided on the inner curved side of the lower surface of the support plate (13), and the lifting plate (18) is rotatably connected to the support frame group on the inner curved side. A first adjustment plate (19) is provided between the support frame group on the outer curved side and the lower surface of the support plate (13), and a plurality of first adjustment holes (20) are provided on the first adjustment plate (19) along the rotation direction of the support plate (13).

7. The small-angle turning device for a belt conveyor according to claim 6, characterized in that: The upward deflection adjusting roller (10) comprises a second vertical support rod (21), the lower end of the second vertical support rod (21) is fixedly mounted on the support frame group on the inner curve side, and the upper end of the second vertical support rod (21) is rotatably connected to a first deflection adjusting roller (22) inclined toward the trough roller (8).

8. The small-angle turning device for a belt conveyor according to claim 7, characterized in that: The lower roller (9) of the curved section includes a horizontal roller (23) close to the outer curve side and an inclined roller (24) close to the inner curve side. The horizontal roller (23) and the inclined roller (24) are movably connected via a connecting chain (25). A second adjustment plate (26) is installed on the lower surface of the support frame group on the outer curve side. A plurality of second adjustment holes (27) are vertically opened on the second adjustment plate (26). The outer side of the inclined roller (24) is rotatably connected to the support frame group on the inner curve side.

9. The small-angle turning device for a belt conveyor according to claim 8, characterized in that: The lower deflection adjusting roller (11) comprises a limit plate (28), the limit plate (28) being fixedly mounted on the support frame assembly on the inner curve side, and the inner side of the limit plate (28) being rotatably connected to a second deflection adjusting roller (29) tilted toward the lower roller (9) of the curved section.

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