Belt tearing monitoring device for belt conveyor

Abstract

The utility model belongs to the technical field of conveyors, and relates to a belt tearing monitoring device for a belt conveyor, which is characterized by comprising mounting seats, a belt tearing sensing frame, bearing seats and a monitoring mechanism, the mounting seats are symmetrically mounted on two sides of a frame of the belt conveyor, the bearing seats are mounted on the mounting seats, and the belt tearing sensing frame is mounted on the bearing seats. A belt tearing induction frame is rotationally mounted on the bearing seat; the monitoring mechanism comprises a proximity switch and an induction blocking piece, the belt tearing induction frame is provided with the induction blocking piece, the installation base is provided with the proximity switch, and when the belt tearing induction frame is in a vertical state, the proximity switch and the induction blocking piece are oppositely arranged. The belt tearing monitoring device for the belt conveyor is scientific and reasonable in structural design, has the advantages of being convenient to operate, capable of improving monitoring sensitivity, high in reliability and easy to achieve, and has high innovativeness.

Description

Technical Field

[0001] The utility model belongs to the technical field of conveyors, and relates to a belt conveyor, in particular to a belt tearing monitoring device for a belt conveyor. Background Art

[0002] In the field of bulk cargo transportation in places such as ports, mines, and power plants, belt conveyors play an important role in the material transportation between bulk cargo mobile loading and unloading equipment due to their advantages of large conveying capacity and continuous conveying process. Belt tearing is one of the serious damage forms of belt conveyors. Once it occurs, it will not only cause huge economic losses, but also have a great impact on the personal safety of relevant personnel. Therefore, in the use of belt conveyors, the monitoring of belt tearing problems is very important.

[0003] At present, the belt tearing monitoring device mainly uses a wire-pulling type tearing monitoring switch. The wire is placed on the return surface of the belt, and the wire is connected to the limit switch. When there is a tear or break on the belt surface, it will catch the wire and pull the wire to trigger the limit switch. However, this kind of tearing monitoring device has problems such as untimely alarm, difficult to detect in the initial stage of belt tearing, difficult to reset, and easy to cause damage to the limit switch, resulting in additional economic losses. Summary of the Invention

[0004] The purpose of the utility model is to provide a belt tearing monitoring device for a belt conveyor with a scientific and reasonable structural design, convenient operation, improved monitoring sensitivity, strong reliability, and easy to implement.

[0005] The utility model solves its technical problems through the following technical solutions:

[0006] A belt tearing monitoring device for a belt conveyor, characterized in that: it includes a mounting seat, a belt tearing induction frame, a bearing seat and a monitoring mechanism. The mounting seats are symmetrically installed on both sides of the frame of the belt conveyor. The bearing seats are installed on the mounting seats, and the belt tearing induction frame is rotatably installed on the bearing seats; the monitoring mechanism includes a proximity switch and an induction piece. The induction piece is installed on the belt tearing induction frame, and the proximity switch is installed on the mounting seat. When the belt tearing induction frame is in a vertical state, the proximity switch and the induction piece are arranged opposite to each other.

[0007] Moreover, the belt tearing induction frame includes a rotating rod, a vertical rod, a profiling frame body and a support rod. The two ends of the rotating rod are rotatably installed on the bearing seats. The profiling frame body is connected to the upper part of the rotating rod through the vertical rod. The profiling frame body is a structure adapted to the belt surface of the conveyor belt. Support rods supporting on the rotating rod are arranged at the lower ends of both sides of the profiling frame body.

[0008] Moreover, it further includes an induction frame support structure, and the induction frame support structure includes a support arm and an inclination adjustment screw rod. Support arms are arranged at positions opposite to the induction flapper at both ends of the rotating rod. A nut is provided at the end of the support arm, and the inclination adjustment screw rod is threadedly installed in the nut. The nut of the inclination adjustment screw rod is supported on the frame of the belt conveyor.

[0009] Moreover, the mounting seat includes two vertically arranged upright frames arranged side by side. A vertical long hole is formed in the middle of each upright frame, and the bearing seat is adjustably installed in the long hole of the upright frame through the cooperation of screws and nuts.

[0010] The advantages and beneficial effects of the present utility model are as follows:

[0011] 1. For the belt tearing monitoring device used for belt conveyors, through the setting of the profiling belt tearing induction frame, when the belt has a torn edge or a penetrating wound, the damaged and sagging part of the belt will strike the belt tearing induction frame, causing it to tilt, and the proximity switch will lose the signal, thereby completing the work of alarm and shutdown. This device has high sensitivity, can monitor the initial stage of belt damage, and discover problems in time. At the same time, this device is convenient for resetting and is convenient for users to use.

[0012] 2. For the belt tearing monitoring device used for belt conveyors, its height and inclination angle can be freely adjusted, and it can more accurately detect the running state of the belt. Compared with the traditional wire-pulling type anti-tearing switch, the accuracy and sensitivity of the alarm action are greatly improved.

[0013] 3. For the belt tearing monitoring device used for belt conveyors, a proximity switch is used as the monitoring element and is fixed on the frame of the belt conveyor. It remains stationary during the process of the belt tearing induction frame tilting and alarm. Compared with the traditional wire-pulling type anti-tearing switch that alarms by the falling off of the limit chuck, it is more stable and easy to reset, and eliminates the problem that the original wire switch is easily damaged by being caught between the idler and the belt, improving the reliability of the belt tearing monitoring device used for belt conveyors.

[0014] 4. The structure design of the present utility model is scientific and reasonable, with the advantages of convenient operation, high monitoring sensitivity, strong reliability, and easy implementation. It is a belt tearing monitoring device with high innovation for belt conveyors. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of the present utility model;

[0016] Figure 2 is a front view of the present utility model;

[0017] Figure 3 is a partial top view of the present utility model.

[0018] Reference Signs

[0019] 1 - Frame, 2 - Belt Tear Induction Frame, 3 - Induction Flap, 4 - Proximity Switch, 5 - Upright Frame, 6 - Long Hole, 7 - Bearing Block, 8 - Support Arm, 9 - Inclination Adjustment Screw Rod, 10 - Support Rod, 11 - Inclined Portion, 12 - Vertical Rod, 13 - Rotating Rod, 14 - Horizontal Portion, 15 - Nut. Detailed Embodiment

[0020] The present utility model will be further described in detail below through specific embodiments. The following embodiments are only descriptive and not restrictive, and the protection scope of the present utility model cannot be limited thereby.

[0021] A belt tear monitoring device for a belt conveyor, the innovation of which lies in: including a mounting seat, a belt tear induction frame 2, a bearing block 7 and a monitoring mechanism. Mounting seats are symmetrically installed on both sides of the frame 1 of the belt conveyor. A bearing block is installed on the mounting seat, and a belt tear induction frame is rotatably installed on the bearing block; the monitoring mechanism includes a proximity switch 4 and an induction flap 3. An induction flap is installed on the belt tear induction frame, and a proximity switch is installed on the mounting seat. When the belt tear induction frame is in a vertical state, the proximity switch and the induction flap are arranged opposite to each other.

[0022] The belt tear induction frame is composed of steel pipes welded to simulate the trough shape of the conveyor belt, and includes a rotating rod 13, a vertical rod 12, a profiling frame body and a support rod 10. The width of the profiling frame body is greater than the width of the conveyor belt and is placed below the conveyor belt. Both ends of the rotating rod are rotatably installed on the bearing block. A profiling frame body is connected to the upper part of the rotating rod through a vertical rod. The profiling frame body is a structure formed by bending in one piece. The profiling frame body includes a horizontal portion 14 and inclined portions 11 that are bent outward and upward on both sides of the horizontal portion. Support rods that are inclined to support on the rotating rod are provided at the lower ends of the two inclined portions.

[0023] It further includes an induction frame support structure. The induction frame support structure includes a support arm 8 and an inclination adjustment screw rod 9. Support arms are provided at positions opposite to the induction flap at both ends of the rotating rod, and nuts 16 are provided at the ends of the support arms. For the convenience of installation, in this specific embodiment, the support arm is a horizontally placed L-shaped structure. The longer part of the L-shaped structure is welded to the rotating rod, and the nut is welded to the end of the shorter part of the L-shaped structure. The inclination adjustment screw rod is threadedly installed in the nut, and the nut of the inclination adjustment screw rod supports on the frame of the belt conveyor. By the telescopic movement of the inclination adjustment screw rod in the nut, the angle adjustment of the belt tear induction frame is realized. The lengths of the support arm and the inclination adjustment screw rod satisfy the adjustment of the belt tear induction frame within the range of plus or minus 10°.

[0024] The described mounting base includes two vertically arranged upright frames 5 arranged side by side. In this specific embodiment, the upright frames are angle steels placed vertically. Vertical long holes 6 are formed in the middle of each upright frame. The bearing seat is adjusted and installed in the long holes of the upright frames through the cooperation of screws and nuts.

[0025] After the belt tearing induction frame is installed on the base through the bearing seat, a heavy load test of the conveyor belt is carried out. The distance between the belt tearing induction frame and the conveyor belt is adjusted through the base so that the distance is not greater than 2 cm to ensure accurate alarm operation. The support arm is welded at a right angle to the belt tearing induction frame, and the inclination angle of the belt tearing induction frame is adjusted through the inclination adjustment screw at the end of the support arm to control the sensitivity of the alarm operation. The signal of the proximity switch is interlocked with the belt conveyor state and the process operation state.

[0026] The installation position of the belt tearing monitoring device for the belt conveyor should maintain a proper distance from the adjacent idler frame, so that when the belt tearing induction frame topples, it falls on the cross beam of the idler frame without interfering with the idlers and the belt.

[0027] The specific implementation process of this embodiment is as follows:

[0028] Before use, first install the belt tearing monitoring device for the belt conveyor under the conveyor belt according to the position of the idler frame, adjust the height and inclination angle of the belt tearing induction frame, and interlock the signal of the proximity switch with the belt conveyor state and the process operation state. When any position of the conveyor belt is damaged and sagging, it will cause the belt tearing induction frame to topple, the proximity switch loses the signal, triggering a belt tearing alarm, and at the same time the conveyor belt stops running to avoid further damage to the conveyor belt.

[0029] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art can understand that: within the spirit and scope of the present invention and the appended claims, various substitutions, changes and modifications are possible. Therefore, the scope of the present invention is not limited to the content disclosed in the embodiments and drawings.

Claims

1. A belt tearing monitoring device for a belt conveyor, characterized in that: It includes a mounting base, a belt tearing induction frame, a bearing seat and a monitoring mechanism. Mounting bases are symmetrically installed on both sides of the frame of the belt conveyor. A bearing seat is installed on the mounting base, and a belt tearing induction frame is rotatably installed on the bearing seat. The monitoring mechanism includes a proximity switch and an induction flap. An induction flap is installed on the belt tearing induction frame, and a proximity switch is installed on the mounting base. When the belt tearing induction frame is in a vertical state, the proximity switch and the induction flap are arranged opposite to each other.

2. The belt tearing monitoring device for a belt conveyor according to claim 1, characterized in that: The belt tearing induction frame includes a rotating rod, a vertical rod, a profiling frame body and a support rod. Both ends of the rotating rod are rotatably installed on the bearing seat. A profiling frame body is connected to the upper part of the rotating rod through the vertical rod. The profiling frame body is a structure adapted to the belt surface of the conveyor belt. Support rods that support on the rotating rod are provided at the lower ends of both sides of the profiling frame body.

3. The belt tearing monitoring device for a belt conveyor according to claim 2, characterized in that: It further includes an induction frame support structure. The induction frame support structure includes a support arm and an inclination adjustment screw rod. Support arms are arranged at positions opposite to the induction flap at both ends of the rotating rod. Nuts are provided at the ends of the support arms. The inclination adjustment screw rod is threadedly installed in the nut, and the nut of the inclination adjustment screw rod supports on the frame of the belt conveyor.

4. The belt tearing monitoring device for a belt conveyor according to claim 1, characterized in that: The mounting base includes two vertically arranged upright frames arranged side by side. Vertical long holes are formed in the middle of each upright frame. The bearing seat is adjustably installed in the long hole of the upright frame through the cooperation of screws and nuts.

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