Anti-galloping tail tensioning device of belt conveyor

Abstract

The utility model relates to the technical field of belt conveyors, in particular to a belt conveyor anti-galloping tail tensioning device which comprises a rack provided with a cross beam, a trolley is arranged above the cross beam, and the trolley is provided with a steering roller in a rotating structure mode; a wedge-shaped block A is arranged on the lower portion of the trolley in a fixed structure mode, a wedge-shaped block B is arranged on the cross beam in a fixed structure mode, the inclined face of the wedge-shaped block B and the inclined face of the wedge-shaped block A are oppositely arranged, the trolley is slowly decelerated and prevented from sliding down, and the stress mode is more reasonable. At least two pairs of hanging plates are arranged on the front side face and the rear side face of the trolley in a fixed structure mode, the hanging plates are provided with limiting pieces in a fixed structure mode, the limiting pieces stretch into the cross beam or the lower portion of the cross beam, the trolley is hooked to the cross beam through the limiting pieces, and the situation that the trolley is separated from the cross beam, and matching failure of the wedge blocks is caused is prevented. Through cooperation of the structures, when the tensioning device is prevented from having safety problems, the galloping prevention effect can still be achieved, the trolley is locked on the cross beam, and safety is improved.

Description

Technical Field:

[0001] This application relates to the technical field of belt conveyors, and particularly to an anti-runaway tail tensioning device for belt conveyors. Background Art:

[0002] The Chinese utility model patent with the application number 202323190248.2 - an electric cylinder tensioning device, includes: a floating trolley and an electric cylinder. The floating trolley and the electric cylinder are correspondingly arranged. The floating trolley and the electric cylinder are connected by a steel wire rope. The floating trolley is connected with an electric winch through the steel wire rope. One end of the steel wire rope is connected with the electric winch. The middle of the steel wire rope is wound around the floating trolley and the electric cylinder. The other end of the steel wire rope is connected with a steel wire rope support. The electric winch and the electric cylinder are respectively electrically connected with an electric control box.

[0003] This patent can provide the necessary tension according to the working conditions of the belt conveyor. However, when the steel wire rope breaks, the floating trolley is quickly pulled by the belt and moves rapidly towards the lower part of the roadway, causing casualties and property losses, and there are serious safety hazards. Utility Model Content:

[0004] To solve the above technical problems, the present utility model provides an anti-runaway tail tensioning device for belt conveyors, and the technical problem to be solved is: when the steel wire rope breaks, the floating trolley is quickly pulled by the belt and moves rapidly towards the lower part of the roadway, causing casualties and property losses, and there are serious safety hazards. To solve the above technical problems, the technical solution adopted by the present utility model is:

[0005] The anti-runaway tail tensioning device for belt conveyors includes:

[0006] A frame provided with a crossbeam;

[0007] A trolley, which is arranged above the crossbeam. The trolley is provided with a steering roller in a rotational structure manner;

[0008] Hanging plates, at least two pairs of hanging plates are connected to the front and rear sides of the trolley in a fixed structure manner;

[0009] A limiting member, which is connected to the hanging plate in a fixed structure manner, and the limiting member extends into the inside or lower part of the crossbeam;

[0010] Wedge block A, which is arranged at the lower part of the trolley in a fixed structure manner;

[0011] Wedge block B, which is connected to the crossbeam in a fixed structure manner. The inclined surface of wedge block B is arranged opposite to the inclined surface of wedge block A;

[0012] Electric winch, wire rope support and wire rope. The wire rope support and the electric winch are both arranged on one side of the frame, and the electric winch, the trolley and the wire rope support are sequentially connected by the wire rope.

[0013] Further, the trolley includes a car body, and the car body is provided with a wheel set in a rotating structure manner.

[0014] Further, the cross beam is an I-beam;

[0015] The limiting member extends into the lower part of the I-beam flange.

[0016] Further, the limiting member is in a cylindrical structure, and a roller is sleeved on the outside of the limiting member in a rotating structure manner, and the roller is connected with the lower part of the flange in a rotating structure manner.

[0017] Further, the wedge block B is arranged on the upper end face of the I-beam in a fixed structure manner; the wedge block A is located in the middle of the trolley.

[0018] Further, the number of hanging plates is two pairs, and each pair is respectively arranged on both sides of the front and rear ends of the trolley.

[0019] Further, a fixing frame is arranged on one side of the end of the frame, and a rope pulley is arranged on both the fixing frame and the trolley in a rotating structure manner, and a wire rope is wound around the rope pulley.

[0020] The beneficial effects of the present utility model are as follows: through the cooperation of the wedge block A and the wedge block B, the trolley is blocked to prevent further running away; then, by using the limiting member, the trolley is hooked on the cross beam to prevent the trolley from separating from the cross beam, resulting in the failure of the cooperation of the wedge blocks; through the cooperation of the above structures, when a safety problem occurs in the tensioning device, it can still play a role in preventing the vehicle from flying, locking the trolley on the cross beam, and improving safety. Description of the drawings:

[0021] Figure 1 It is the front view structural schematic diagram of the present utility model.

[0022] Figure 2 It is the top view structural schematic diagram of the present utility model.

[0023] In the figure:

[0024] 1. Cross beam, 2. Trolley, 3. Steering roller, 4. Hanging plate, 5. Limiting member, 6. Wedge block A, 7. Wedge block B, 8. Electric winch, 9. Wire rope support, 10. Fixing frame. Specific implementation manners:

[0025] To make the purpose, technical solutions and advantages of the implementation of the present utility model clearer, the present utility model will now be further described in detail with reference to the drawings and the following embodiments, so that the public can better master the implementation method of the present utility model. The specific implementation scheme of the present utility model is as follows:

[0026] The tail tensioning device for preventing the running car of the belt conveyor comprises a frame provided with a cross beam 1, a trolley 2 is arranged above the cross beam 1, and the trolley 2 is provided with a steering roller 3 in a rotating structure mode for connecting the belt; a wedge block A6 is arranged at the lower part of the trolley 2 in a fixed structure mode, and the cross beam 1 is provided with a wedge block B7 in a fixed structure mode, and the inclined surface of the wedge block B7 is arranged opposite to the inclined surface of the wedge block A6. Through the cooperation of the wedge block A6 and the wedge block B7, the trolley 2 is slowly decelerated and finally stopped to prevent the running car. And the force form is more reasonable; at least two pairs of hanging plates 4 are arranged on the front and rear sides of the trolley 2 in a fixed structure manner, and the hanging plates 4 are arranged with limiting members 5 in a fixed structure manner, and the limiting members 5 extend into the interior or lower part of the beam 1, and the trolley 2 is hooked and pulled on the beam 1 by using the limiting members 5 to prevent the trolley 2 from separating from the beam 1, which causes the wedge block to fail to cooperate; through the cooperation of the above structure, when safety problems occur in the tensioning device, it can still play a role in preventing the car from flying away, lock the trolley on the beam, and improve safety.

[0027] Specifically, the trolley 2 includes a body 21 , and the body 21 is provided with a wheelset 22 in a rotating structure. The wheelset 22 can cooperate with the crossbeam 1 to prevent the trolley 2 from deflecting.

[0028] It should be noted that the crossbeam 1 is an I-beam, and the limiting member 5 extends into the lower part of the I-beam wing plate to be hooked to the upper wing plate.

[0029] Furthermore, the limiting member 5 is in a cylindrical structure, and a roller is sleeved on the outside of the limiting member 5 in a rotating structure manner. The roller is connected to the lower part of the wing plate in a rotating structure manner to ensure contact between the roller and the wing plate to prevent the trolley from tilting.

[0030] It should be noted that the wedge block B7 is arranged on the upper end surface of the I-beam in a fixed structure manner; the wedge block A6 is located in the middle of the trolley 2, and the number of the hanging plates 4 is two pairs, each pair is arranged on both sides of the front and rear ends of the trolley 2.

[0031] A wire rope support 9 and an electric winch 8 are provided on one side of the frame, and the electric winch 8, the trolley 2 and the wire rope support 9 are connected in sequence by wire ropes. A fixed frame 10 is provided on one side of the end of the frame. The fixed frame 10 and the trolley 2 are both provided with rope pulleys in a rotating structure, wherein two rope pulleys are provided on the fixed frame 10, and the rope pulleys are wound with wire ropes, and the wire ropes are provided in an M-shaped structure.

[0032] The working principle and working process of the utility model are as follows:

[0033] During normal operation, the belt conveyor is started, and the electric winch 8 is used to provide appropriate pulling force to the trolley 2 through the wire rope to meet the various working conditions of the belt conveyor.

[0034] When the wire rope breaks, the turning roller 3 moves to the left under the tension of the belt until the inclined surface of the wedge block A6 contacts the inclined surface of the wedge block B7. At this time, the trolley 2 has a tendency to move upward. At this moment, the limiting member 5 abuts against the end face of the flange of the I-beam 1 to prevent the trolley 2 from moving upward, thereby avoiding unlocking of the wedge block A6 and the wedge block B7 and preventing runaway.

[0035] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "front", "rear", "lower left", "upper right", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Although the present invention is described based on a limited number of embodiments, those skilled in the art of this technology should understand that within the scope of the present invention thus described, other embodiments can be envisioned.

Claims

1. The tail tensioning device for preventing the belt conveyor from running away is characterized by: include: A frame provided with a crossbeam (1); A trolley (2), the trolley (2) being arranged above the cross beam (1), and the trolley (2) being provided with a steering roller (3) in a rotating structure; Hanging plates (4), at least two pairs of hanging plates (4) are connected to the front and rear sides of the trolley (2) in a fixed structure manner; A limiting member (5), the limiting member (5) is connected to the hanging plate (4) in a fixed structure manner, and the limiting member (5) extends into the interior or lower part of the crossbeam (1); A wedge block A (6), the wedge block A (6) is arranged at the lower part of the trolley (2) in a fixed structure manner; A wedge block B (7), the wedge block B (7) is connected to the cross beam (1) in a fixed structure manner, and the inclined surface of the wedge block B (7) is arranged opposite to the inclined surface of the wedge block A (6); The electric winch (8), the wire rope support (9) and the wire rope, the wire rope support (9) and the electric winch (8) are all arranged on one side of the frame, and the electric winch (8), the trolley (2) and the wire rope support (9) are connected in sequence through the wire rope.

2. The belt conveyor anti-runaway tail tensioning device according to claim 1 is characterized in that: The trolley (2) comprises a vehicle body (21), and the vehicle body (21) is provided with a wheel pair (22) in a rotating structure.

3. The belt conveyor anti-runaway tail tensioning device according to claim 2 is characterized in that: The crossbeam (1) is an I-beam; The limiting member (5) extends into the lower part of the I-beam wing plate.

4. The belt conveyor anti-runaway tail tensioning device according to claim 3 is characterized in that: The limiting member (5) is in a cylindrical structure, and a roller is sleeved on the outside of the limiting member (5) in a rotating structure manner, and the roller is connected to the lower part of the wing plate in a rotating structure manner.

5. The belt conveyor anti-runaway tail tensioning device according to claim 3 is characterized in that: The wedge block B (7) is arranged on the upper end surface of the I-beam in a fixed structure manner; the wedge block A (6) is located in the middle of the trolley (2).

6. The belt conveyor anti-runaway tail tensioning device according to claim 5, characterized in that: The number of the hanging plates (4) is two pairs, and each pair is respectively arranged on both sides of the front and rear ends of the trolley (2).

7. The belt conveyor tail tensioning device for preventing vehicle from running away according to claim 1 is characterized in that: A fixed frame (10) is arranged at one side of the frame end, and both the fixed frame (10) and the trolley (2) are provided with rope wheels in a rotating structure, and a steel wire rope is wound around the rope wheels.

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