Conveyor belt deviation alarm device

Abstract

The utility model discloses a conveyor belt deviation alarm device, which belongs to the technical field of alarm systems and comprises a support, a conveyor belt is movably mounted along the axial direction of the support, the central axis of the conveyor belt coincides with the central axis of the support, and monitoring units are arranged on the support on two sides of the conveyor belt. The monitoring unit comprises an infrared alarm and a light sensation receiver which are oppositely arranged on the fixing rod, and the infrared alarm and the light sensation receiver are located on the upper side and the lower side of the conveying belt respectively. According to the conveyor belt deviation alarm device, an operator can conveniently and timely find the deviation condition of the conveyor belt, deviation can be automatically adjusted, and the adjustment time can be shortened, the production fluctuation can be reduced and the production can be stabilized in case of faults of an automatic deviation adjuster and other conditions which are difficult to automatically adjust; and the method has important significance for complex field environment and severe production environment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of alarm system, concretely relates to a conveyor belt deviation alarm device. BACKGROUND

[0002] The conveyor belt is a kind of general conveying equipment, is the mechanical material that is continuously conveyed on fixed line, mainly for powder, granular and small block material horizontal or inclined conveying, because its conveying capacity is big, transportation distance is far, also can complete several process operations in the conveying process, is widely used in metallurgy, coal, chemical industry, port etc.

[0003] Conveyor belt is mainly rubber material, has the advantages such as simple design structure, small operation noise, easy to maintain, working principle is through the speed reducer to drive the rotation of drum or roller, conveyor belt also rotates, to push material to target location.Conveyor belt deviation is the most common fault when running, the reasons of deviation mainly have drum sticking material, material dropping point fluctuation, material leakage into non-working surface, equipment failure etc.Conveyor belt deviation only relies on the naked eye of operator to monitor and regular inspection, is difficult to find and handle in time, its hazards include falling material, edge wear, thereby leading to the service life reduction of conveyor belt, deviation too large damage the whole conveying structure etc.Consequences, seriously damage the stability of the whole production system, even endanger the safety of personnel's life. SUMMARY

[0004] The utility model aims at providing a kind of conveyor belt deviation alarm device to solve the problem of not timely finding conveyor belt deviation.

[0005] A kind of conveyor belt deviation alarm device, including support, conveyor belt is movably installed along the axial direction of support, the central axis of conveyor belt coincides with the central axis of support, monitoring unit is equipped on the support on the both sides of conveyor belt, the monitoring unit is the unit that sends alarm instruction when conveyor belt deviates from the center of support;Fixed rod is vertically arranged on the support on the both sides of conveyor belt, and monitoring unit is fixedly arranged on fixed rod;Further, the monitoring unit includes infrared alarm and light sensing receiver oppositely arranged on fixed rod, and the infrared alarm and light sensing receiver are located on the upper and lower sides of conveyor belt respectively.

[0006] Further, the support is provided with a sound and light alarm, and the light sensing receiver is electrically connected with the sound and light alarm.

[0007] Further, a camera is arranged above the conveyor belt, and the light sensing receiver is electrically connected with the camera.

[0008] Further, an automatic deviation corrector is arranged below the conveyor belt, and the light sensing receiver is electrically connected with the automatic deviation corrector.

[0009] Furthermore, the automatic alignment device includes a self-aligning roller, which is attached to the lower surface of the conveyor belt. Both ends of the self-aligning roller are fixedly connected to a transmission bracket. The lower part of the transmission bracket is connected to a hydraulic push rod. The hydraulic push rod is electrically connected to an electric hydraulic pump, and the electric hydraulic pump is electrically connected to a light sensor receiver.

[0010] The conveyor belt misalignment alarm device of this utility model has the following advantages:

[0011] This utility model's conveyor belt misalignment alarm device allows operators and on-site inspectors to promptly detect conveyor belt misalignment and adjust it themselves, reducing labor intensity. It also reduces adjustment time, minimizes production fluctuations, and stabilizes production in cases of automatic belt misalignment malfunction or other situations difficult to adjust independently. It is of great significance in complex and harsh production environments. Attached Figure Description

[0012] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings:

[0013] Figure 1 This is a left view of the conveyor belt misalignment alarm device of this utility model;

[0014] Figure 2 This is a front view of the conveyor belt misalignment alarm device of this utility model;

[0015] Figure 3 This is a schematic diagram of the automatic alignment device of this utility model.

[0016] In the diagram: 1. Support frame; 2. Conveyor belt; 3. Fixing rod; 4. Infrared transmitter; 5. Light sensor receiver; 6. Audible and visual alarm; 7. Self-aligning idler; 8. Transmission support; 9. Hydraulic push rod; 10. Electric hydraulic pump; 11. Camera. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0018] like Figures 1 to 2 As shown, the conveyor belt deviation alarm device of the present invention includes a bracket 1, on which a conveyor belt 2 is movably mounted. The width of the bracket 1 is greater than the width of the conveyor belt 2, and the central axis of the conveyor belt 2 coincides with the central axis of the bracket 1, so that the conveyor belt 2 is located in the middle of the bracket 1. A fixing rod 3 is vertically provided on the bracket 1 located on one side of the conveyor belt 2. A monitoring unit for monitoring the operation of the conveyor belt is fixedly installed on the fixing rod 3. When the monitoring unit detects that the conveyor belt 2 deviates from the center of the bracket 1, it issues an alarm signal to notify the on-site operator to adjust the deviation.

[0019] Specifically, the monitoring unit comprises an infrared alarm 4 and a light sensing receiver 5 arranged oppositely on the fixed rod 3, the infrared alarm 4 and the light sensing receiver 5 are arranged on the upper and lower sides of the conveying belt 2 respectively, the infrared alarm 4 emits an infrared signal, and the corresponding light sensing receiver 5 receives the infrared signal; when the conveying belt 2 deviates from the center line of the support 1, the infrared signal emitted by the infrared alarm 4 is blocked by the conveying belt 2, and the light sensing receiver 5 cannot receive the infrared signal, and then an alarm instruction is sent to alarm; as shown in Figure 1 the infrared alarm 4 is arranged on the upper side of the conveying belt 2, and the light sensing receiver 5 is arranged on the lower side of the conveying belt 2, and in actual production, the infrared alarm 4 can also be arranged on the lower side of the conveying belt 2, and the light sensing receiver 5 is correspondingly arranged on the upper side of the conveying belt 2, as long as the running state of the conveying belt can be monitored.

[0020] Preferably, the fixed rod 3 is also vertically arranged on the support 1 on the other side of the conveying belt 2, and the monitoring unit is also arranged on the fixed rod 3, so that when the conveying belt 2 deviates to any side of the support 1, the monitoring unit can timely discover and send an alarm instruction. The number of monitoring units can be one to multiple, and they are evenly arranged along the running track on both sides of the conveying belt 2.

[0021] The support 1 is also provided with an audible and visual alarm 6, and the light sensing receiver 5 is electrically connected with the audible and visual alarm 6; when the conveying belt 2 deviates, the light sensing receiver 5 sends an alarm instruction to the audible and visual alarm 6, and the audible and visual alarm 6 emits a sound and flashes constantly, so that the operator can discover the danger early.

[0022] A camera 11 is arranged above the conveying belt 2, the light sensing receiver 5 is electrically connected with the camera 11, and the camera 11 is electrically connected with a monitoring computer in a main control room; when the conveying belt 2 deviates, the light sensing receiver 5 sends an instruction to the camera 11, the camera 11 starts to shoot the running state of the conveying belt 2, and transmits the monitoring picture to the monitoring computer in the main control room, so that the operator in the main control room can also understand the running state of the conveying belt 2 and timely adjust the deviation.

[0023] An automatic deviation adjuster is arranged at the lower part of the conveying belt 2, and the automatic deviation adjuster is electrically connected with the light sensing receiver 5; when the conveying belt 2 deviates, the light sensing receiver 5 sends an instruction to the automatic deviation adjuster, and the automatic deviation adjuster automatically adjusts the deviation of the conveying belt 2.

[0024] Figure 3A specific embodiment of the automatic deviation corrector is shown, which comprises a centering roller 7, a transmission support 8, a hydraulic push rod 9 and an electric hydraulic pump 10, the centering roller 7 is attached to the lower surface of the conveying belt 2, the two ends of the centering roller 7 are fixedly connected with the transmission support 8, the lower part of the transmission support 8 is connected with the hydraulic push rod 9, the hydraulic push rod 9 is electrically connected with the electric hydraulic pump 10, and the electric hydraulic pump 10 is electrically connected with the light sensing receiver 5. When the conveying belt 2 deviates, the light sensing receiver 5 sends a command to the electric hydraulic pump 10, the hydraulic pump starts, controls the hydraulic push rod 9 to push the transmission support 8, makes the centering roller 7 overturn in the opposite direction of the deviation of the conveying belt 2, transmits the force in the opposite direction of the deviation to the conveying belt 2, adjusts the running direction of the conveying belt 2, and makes the conveying belt 2 return to the center of the support 1.

[0025] In summary, the conveying belt deviation alarm device can monitor the running state of the conveying belt, when the conveying belt 2 deviates from the center of the support 1, the light sensing receiver 5 sends a command, the sound and light alarm 6 sends an alarm signal, the camera 11 starts monitoring and transmits the monitoring picture to the monitoring computer in the main control room, the automatic deviation corrector automatically adjusts the deviation of the conveying belt 2, adjusts the running direction of the conveying belt 2, and makes the conveying belt 2 return to the center of the support 1.

Claims

1. A conveyor belt deviation alarm device, comprising a support (1), a conveyor belt (2) is movably mounted along the axial direction of the support (1), the central axis of the conveyor belt (2) coincides with the central axis of the support (1), characterized in that, The monitoring unit is arranged on the bracket (1) on both sides of the conveying belt (2), and is a unit for issuing an alarm instruction when the conveying belt (2) deviates from the center of the bracket (1); a fixed rod (3) is vertically arranged on the bracket (1) on both sides of the conveying belt (2), and the monitoring unit is fixedly arranged on the fixed rod (3); the monitoring unit comprises an infrared alarm (4) and a light sensing receiver (5) which are oppositely arranged on the fixed rod (3), and the infrared alarm (4) and the light sensing receiver (5) are respectively arranged on the upper and lower sides of the conveying belt (2).

2. The conveyor belt misalignment alarm device according to claim 1, wherein The bracket (1) is provided with an audible and visual alarm (6), and the light sensing receiver (5) is electrically connected with the audible and visual alarm (6).

3. The conveyor belt misalignment alarm of claim 2, wherein, A camera (11) is arranged above the conveying belt (2), and the light sensing receiver (5) is electrically connected with the camera (11).

4. The conveyor belt misalignment alarm of claim 3, wherein, An automatic deviation adjuster is arranged below the conveying belt (2), and the light sensing receiver (5) is electrically connected with the automatic deviation adjuster.

5. The conveyor belt misalignment alarm of claim 4, wherein, The automatic deviation adjuster comprises a self-aligning idler (7), the self-aligning idler (7) is attached to the lower surface of the conveying belt (2), the two ends of the self-aligning idier (7) are fixedly connected with a transmission bracket (8), the lower part of the transmission bracket (8) is connected with a hydraulic push rod (9), the hydraulic push rod (9) is electrically connected with an electric hydraulic pump (10), and the electric hydraulic pump (10) is electrically connected with the light sensing receiver (5).

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