Arc turning device

Abstract

The invention relates to an arc turning device which comprises a plurality of arc mechanisms, each arc mechanism comprises a supporting frame, arc carrier roller frames are installed at the two ends of the top side of each supporting frame respectively, groove type carrier roller sets are installed on the arc carrier roller frames in a sliding mode, and each groove type carrier roller set comprises a U-shaped upper groove type carrier roller frame installed on the corresponding arc carrier roller frame in a sliding mode. Three upper carrier rollers are distributed on the upper groove type carrier roller frame in a U shape, return stroke carrier roller seats are installed at the two ends of the bottom side of the supporting frame, and a lower carrier roller is installed between the two return stroke carrier roller seats. The device has automatic control performance, can automatically adjust the position of the groove type carrier roller frame in real time according to the fluctuation of the tension of the conveying belt so as to reduce the deviation condition of the conveying belt, and can automatically adjust the grooving angle in real time according to the different turning angles of the device so as to reduce the slippage condition between the conveying belt and the groove type carrier roller. The friction force between the conveying belt and the carrier rollers is increased, and the running direction of the conveying belt is better changed.

Description

Technical Field

[0001] The invention relates to the technical field of belt conveyors, in particular to an arc turning device. Background Art

[0002] The belt conveyor arc turning device is a device that converts the belt conveyor's linear motion on a plane into curved motion, allowing the belt to move in a curved path with a certain radius. It can change the material conveying direction on the basis of a belt conveyor, so that the material can be smoothly transported to the destination, thereby reducing the project time and improving construction efficiency.

[0003] The existing device is unable to adjust the position of the roller frame in real time according to the fluctuation of the conveyor belt tension, resulting in the dependence of deviation adjustment on manual intervention, poor stability, and the grooving angle cannot be dynamically adjusted. When the turning angle changes, it is easy to cause slippage between the conveyor belt and the roller, reducing friction and directional control efficiency. In the event of sudden shutdown or overload, the lack of a quick locking mechanism may cause the conveyor belt to slip or equipment damage. Summary of the Invention

[0004] The problem solved by the present invention is to provide an arc turning device, which solves the problem that the existing device cannot adjust the position of the roller frame in real time according to the tension fluctuation of the conveyor belt, resulting in the dependence of deviation adjustment on manual intervention, poor stability, and the grooving angle cannot be dynamically adjusted. When the turning angle changes, it is easy to cause slippage between the conveyor belt and the roller, reducing friction and direction control efficiency. In the event of sudden shutdown or overload, there is a lack of a quick locking mechanism, which may cause conveyor belt slippage or equipment damage.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A curved turning device, comprising a plurality of curved mechanisms, wherein the curved mechanisms comprise a support frame, arc-shaped roller frames are respectively mounted at both ends of the top side of the support frame, a trough roller group is slidably mounted on the arc roller frame, the trough roller group comprises a U-shaped upper trough roller frame slidably mounted on the curved roller frame, three upper rollers distributed in a U shape are respectively mounted at both ends of the upper trough roller frame, return roller seats are mounted at both ends of the bottom side of the support frame, and a lower roller is mounted between the two return roller seats;

[0007] A locking mechanism is installed in the middle of both ends of the upper trough roller frame and on both sides of the arc-shaped roller frame. The locking mechanism includes an acceleration sensor and a side seat installed on the upper trough roller frame. The side seat is provided with a wheel groove. A guide wheel is rotatably installed in the wheel groove, and the guide wheel contacts the side wall of the arc-shaped roller frame. A locking assembly is installed on the side seat, and the locking assembly realizes the rotation and fixation of the guide wheel;

[0008] A conveyor belt is commonly installed between the upper rollers and lower rollers of the plurality of arc mechanisms.

[0009] Preferably, both ends of the arc-shaped roller frame are equipped with stoppers, and rubber pads are provided inside the stoppers.

[0010] Preferably, roller seats are respectively installed at both ends of the bottom side of the upper groove type roller frame, and the roller seats are equipped with slot-type rollers that are rollingly connected to the arc-shaped roller frame.

[0011] Preferably, first vertical roller brackets are installed at both ends of the upper trough type roller frame, and the first vertical roller is installed on the first vertical roller bracket.

[0012] Preferably, a second vertical roller bracket is installed on the return roller seat, and a second vertical roller is installed on the second vertical roller bracket.

[0013] Preferably, the locking assembly includes a housing, a connecting shaft is installed on the top of the guide wheel, a turntable is installed on the top of the connecting shaft in the housing, and a plurality of locking holes are opened on the turntable at equal intervals.

[0014] Preferably, a pneumatic cylinder is installed on the top side of the shell, a lifting plate is installed on the telescopic end of the pneumatic cylinder inside the shell, and a plurality of locking columns are elastically installed at equal angles on the bottom of the lifting plate, and the locking columns are adapted to the locking holes.

[0015] Preferably, a plurality of cylinders are installed at equal intervals on the top side of the lifting plate, a spring is installed in the cylinder, and the spring is connected to the locking column.

[0016] Preferably, a ball is installed at the bottom end of the locking column, and the ball rolls along the top side of the turntable.

[0017] Preferably, the specific operating steps of the device are as follows:

[0018] Step 1: Arrange several arc mechanisms end to end in sequence. At this time, put the conveyor belt on the upper and lower rollers of the arc mechanism. Use the first vertical roller and the second vertical roller to limit the edge of the conveyor belt. When several arc mechanisms are arranged in an arc shape, the trough roller group slides on the arc roller frame to adjust its position. At this time, the conveying path of the conveyor belt on the arc mechanism is an arc.

[0019] Step 2: Monitor the acceleration of the trough roller group through the speed sensor. When the acceleration of the trough roller group is abnormal, the lifting plate is driven downward by the pneumatic cylinder, and the bottom end of the locking column contacts the top side of the turntable. As the lifting plate continues to move downward, the locking column moves upward in the column tube to compress the spring. As the turntable rotates, the locking column is engaged in the locking hole under the action of the spring, thereby locking the turntable and the guide wheel, and the contact limit is achieved through the fixed guide wheel and the upper trough roller frame.

[0020] The beneficial effects of the present invention are:

[0021] It has self-control and can adjust the position of the trough roller frame in real time according to the fluctuation of the conveyor belt tension to reduce the deviation of the conveyor belt;

[0022] According to the size of the different turning angles of the device, the groove angle is automatically adjusted in real time to reduce the slip between the conveyor belt and the groove roller, increase the friction between the conveyor belt and the roller, and better change the direction of the conveyor belt;

[0023] Save debugging time. Compared with the previous traditional turning device, this device has a modular structure, which is more convenient to install on the construction site and can greatly reduce the time required for repeated adjustment of the groove angle one by one during installation;

[0024] The arc-shaped sliding guide structure adopts 4 rollers to widen the span, making it more stable during operation;

[0025] The acceleration sensor monitors abnormal vibration and acceleration in real time, triggering the elastic locking mechanism driven by the pneumatic cylinder. The progressive engagement of the ball guide achieves instant braking to avoid equipment damage due to inertia. The contact limit between the guide wheel and the side wall of the arc roller frame forms a physical insurance, which constitutes a double protection with the electronic monitoring system. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is an overall side view of the present invention;

[0028] Figure 3 For the present invention Figure 1 A partial enlarged view of area A in the middle;

[0029] Figure 4 This is a schematic diagram of the locking hole and locking column installation structure of the present invention;

[0030] Figure 5 It is a cross-sectional view of the column of the present invention.

[0031] Legend:

[0032] 1. Support frame; 2. Arc-shaped roller frame; 3. Stopper; 4. Upper groove roller frame; 5. Upper roller; 6. First vertical roller bracket; 7. First vertical roller; 8. Roller seat; 9. Slotted roller; 10. Return roller seat; 11. Lower roller; 12. Second vertical roller bracket; 13. Second vertical roller; 14. Side seat; 15. Wheel groove; 16. Guide wheel; 17. Housing; 18. Pneumatic cylinder; 19. Connecting shaft; 20. Turntable; 21. Locking hole; 22. Lifting plate; 23. Column; 24. Locking column; 25. Spring. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0034] Specific examples are given below.

[0035] See also Figures 1 to 5 , an arc turning device, including several arc mechanisms, the arc mechanism includes a support frame 1, arc roller frames 2 are respectively installed at both ends of the top side of the support frame 1, a trough roller group is slidably installed on the arc roller frame 2, the trough roller group includes a U-shaped upper trough roller frame 4 slidably installed on the arc roller frame 2, and three upper rollers 5 distributed in a U shape are respectively installed at both ends of the upper trough roller frame 4, return roller seats 10 are installed at both ends of the bottom side of the support frame 1, and a lower roller 11 is installed between the two return roller seats 10;

[0036] A locking mechanism is installed in the middle of both ends of the upper trough roller frame 4 and on both sides of the arc-shaped roller frame 2. The locking mechanism includes an acceleration sensor and a side seat 14 installed on the upper trough roller frame 4. A wheel groove 15 is opened on the side seat 14. A guide wheel 16 is rotatably installed in the wheel groove 15, and the guide wheel 16 contacts the side wall of the arc-shaped roller frame 2. A locking assembly is installed on the side seat 14, and the locking assembly realizes the rotation and fixation of the guide wheel 16.

[0037] A conveyor belt is installed between the upper rollers 5 and the lower rollers 11 of the plurality of arc mechanisms.

[0038] Stoppers 3 are installed at both ends of the arc-shaped roller frame 2, and rubber pads are set on the inside of the stoppers 3. The trough roller group slides freely on the arc-shaped roller frame 2, and the stoppers 3 play a limiting role to prevent the trough roller group from derailing, and the rubber pads play a buffering and protective role.

[0039] Roller seats 8 are respectively installed at both ends of the bottom side of the upper trough roller frame 4, and slotted rollers 9 are installed on the roller seats 8, which are rollingly connected to the arc-shaped roller frame 2. First vertical roller brackets 6 are installed at both ends of the upper trough roller frame 4, and the first vertical roller bracket 6 is installed on the first vertical roller 7. The second vertical roller bracket 12 is installed on the return roller seat 10, and the second vertical roller 13 is installed on the second vertical roller bracket 12, so that the upper trough roller frame 4 can roll on the arc-shaped roller frame 2 through the slotted roller 9, and then adjust the position of the upper trough roller frame 4. The butterfly-shaped first vertical roller 7 provided at both ends provides double insurance to prevent the conveyor belt from deviating. The butterfly-shaped second vertical roller 13 provided at both ends provides double insurance to prevent the conveyor belt from deviating.

[0040] A connecting shaft 19 is installed on the top of the guide wheel 16. A turntable 20 is installed on the top of the connecting shaft 19 in the housing 17, and a number of locking holes 21 are opened on the turntable 20 at equal intervals. A pneumatic cylinder 18 is installed on the top side of the housing 17. The telescopic end of the pneumatic cylinder 18 is located in the housing 17 and a lifting plate 22 is installed. A number of locking columns 24 are elastically installed at equal angles on the bottom of the lifting plate 22, and the locking columns 24 are adapted to the locking holes 21. A number of column barrels 23 are installed on the top side of the lifting plate 22 at equal intervals. A spring 25 is installed in the column barrel 23. The spring 25 is connected to the locking column 24, and a ball is installed on the bottom end of the locking column 24. The ball rolls along the top side of the turntable 20, and the lifting plate 22 is driven downward by the pneumatic cylinder 18. The bottom end of the locking column 24 contacts the top side of the turntable 20. As the lifting plate 22 continues to move downward, the locking column 24 moves upward in the column tube 23, compressing the spring 25. As the turntable 20 rotates, the locking column 24 is engaged with the locking hole 21 under the action of the spring 25, thereby locking the turntable 20 and the guide wheel 16. The fixed guide wheel 16 is contacted and limited with the upper groove roller frame 4. After the subsequent fault is checked, the locking column 24 and the locking hole 21 are separated by the contraction of the pneumatic cylinder 18.

[0041] Working principle: Arrange several arc mechanisms end to end in sequence, then put the conveyor belt on the upper roller 5 and lower roller 11 of the arc mechanism, and limit the edge of the conveyor belt by the first vertical roller 7 and the second vertical roller 13. When several arc mechanisms are set in an arc shape, the trough roller group slides on the arc roller frame 2 to adjust the position. At this time, the conveying path of the conveyor belt on the arc mechanism is an arc. The acceleration of the trough roller group is monitored by the speed sensor. When the trough roller When the acceleration of the group is abnormal, the lifting plate 22 is driven downward by the pneumatic cylinder 18, and the bottom end of the locking column 24 contacts the top side of the turntable 20. As the lifting plate 22 continues to move downward, the locking column 24 moves upward in the column tube 23, compressing the spring 25. As the turntable 20 rotates, the locking column 24 is engaged with the locking hole 21 under the action of the spring 25, thereby locking the turntable 20 and the guide wheel 16, and limiting the contact between the fixed guide wheel 16 and the upper groove roller frame 4.

[0042] Arrange several arc mechanisms end to end in sequence, and then sleeve the conveyor belt on the outer side of the upper roller 5 and the lower roller 11 of the arc mechanism. Set the several arc mechanisms in an arc shape. At this time, the conveying path of the conveyor belt on the arc mechanism is an arc, thereby achieving curved motion on an arc path with a certain radius. By changing the material conveying direction through the device, the material can be smoothly conveyed to the destination, thereby reducing the time consumption of the project and improving the construction efficiency.

[0043] It has self-control and can adjust the position of the trough roller frame in real time according to the fluctuation of the conveyor belt tension to reduce the deviation of the conveyor belt;

[0044] According to the size of the different turning angles of the device, the groove angle is automatically adjusted in real time to reduce the slip between the conveyor belt and the groove roller, increase the friction between the conveyor belt and the roller, and better change the direction of the conveyor belt;

[0045] Save debugging time. Compared with the previous traditional turning device, this device has a modular structure, which is more convenient to install on the construction site and can greatly reduce the time required for repeated adjustment of the groove angle one by one during installation;

[0046] The arc-shaped sliding guide structure adopts 4 rollers to widen the span, making it more stable during operation;

[0047] The acceleration sensor monitors abnormal vibration and acceleration in real time, triggering the elastic locking mechanism driven by the pneumatic cylinder 18, and achieving instant braking through progressive engagement guided by balls to avoid equipment damage due to inertia. The contact limit between the guide wheel 16 and the side wall of the arc-shaped roller frame 2 forms a physical insurance, which constitutes a double protection with the electronic monitoring system.

[0048] The above are only preferred specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A curved turning device, characterized in that: The invention comprises a plurality of arc mechanisms, wherein the arc mechanism comprises a support frame (1), arc roller frames (2) are respectively installed at both ends of the top side of the support frame (1), a groove roller group is slidably installed on the arc roller frame (2), the groove roller group comprises a U-shaped upper groove roller frame (4) slidably installed on the arc roller frame (2), three upper rollers (5) distributed in a U shape are respectively installed at both ends of the upper groove roller frame (4), return roller seats (10) are installed at both ends of the bottom side of the support frame (1), and a lower roller (11) is installed between the two return roller seats (10); A locking mechanism is installed at the middle of both ends of the upper groove roller frame (4) and on both sides of the arc-shaped roller frame (2), and the locking mechanism includes an acceleration sensor installed on the upper groove roller frame (4) and a side seat (14), a wheel groove (15) is opened on the side seat (14), a guide wheel (16) is rotatably installed in the wheel groove (15), and the guide wheel (16) contacts the side wall of the arc-shaped roller frame (2), and a locking assembly is installed on the side seat (14), and the locking assembly realizes the rotation and fixation of the guide wheel (16); A conveyor belt is installed between the upper rollers (5) and lower rollers (11) of the plurality of arc mechanisms.

2. The arc turning device according to claim 1, characterized in that: Stoppers (3) are installed at both ends of the arc-shaped roller frame (2), and rubber pads are provided inside the stoppers (3).

3. The arc turning device according to claim 2, characterized in that: Roller seats (8) are respectively installed at both ends of the bottom side of the upper groove roller frame (4), and slot-type rollers (9) are installed on the roller seats (8) and are rollingly connected to the arc-shaped roller frame (2).

4. The arc turning device according to claim 3, characterized in that: First vertical roller brackets (6) are installed at both ends of the upper trough roller frame (4), and a first vertical roller (7) is installed on the first vertical roller bracket (6).

5. The arc turning device according to claim 4, characterized in that: A second vertical roller bracket (12) is installed on the return roller seat (10), and a second vertical roller (13) is installed on the second vertical roller bracket (12).

6. The arc turning device according to claim 5, characterized in that: The locking assembly includes a housing (17), a connecting shaft (19) is installed on the top of the guide wheel (16), a turntable (20) is installed on the top of the connecting shaft (19) located in the housing (17), and a plurality of locking holes (21) are opened on the turntable (20) at equal intervals.

7. The arc turning device according to claim 6, characterized in that: A pneumatic cylinder (18) is installed on the top side of the housing (17); a lifting plate (22) is installed at the telescopic end of the pneumatic cylinder (18) located in the housing (17); a plurality of locking columns (24) are elastically installed at equal angles on the bottom of the lifting plate (22), and the locking columns (24) are adapted to the locking holes (21).

8. The arc turning device according to claim 7, characterized in that: A plurality of cylinders (23) are installed at equal intervals on the top side of the lifting plate (22), a spring (25) is installed in the cylinder (23), and the spring (25) is connected to the locking column (24).

9. The arc turning device according to claim 8, characterized in that: A ball is installed at the bottom end of the locking column (24), and the ball rolls along the top side of the turntable (20).

10. The arc turning device according to claim 9, characterized in that: The specific operating steps of the device are as follows: Step 1: Arrange several arc mechanisms end to end in sequence, and then put the conveyor belt on the upper roller (5) and the lower roller (11) of the arc mechanism, and limit the edge of the conveyor belt by the first vertical roller (7) and the second vertical roller (13). When the several arc mechanisms are arranged in an arc shape, the trough roller group slides on the arc roller frame (2) to adjust the position. At this time, the conveying path of the conveyor belt on the arc mechanism is an arc; Step 2: Monitor the acceleration of the movement of the trough roller group through the speed sensor. When the acceleration of the trough roller group is abnormal, the lifting plate (22) is driven downward by the pneumatic cylinder (18), and the bottom end of the locking column (24) contacts the top side of the turntable (20). As the lifting plate (22) continues to move downward, the locking column (24) moves upward in the column tube (23) to compress the spring (25). As the turntable (20) rotates, the locking column (24) is engaged in the locking hole (21) under the action of the spring (25), thereby locking the turntable (20) and the guide wheel (16), and the fixed guide wheel (16) is contacted with the upper trough roller frame (4) to limit the position.

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