Quick elimination device for pull rope fault of belt conveyor

Abstract

The utility model belongs to the technical field of mining mechanical equipment, and particularly relates to a quick elimination device for pull rope faults of a belt conveyor, which comprises a plurality of pull rope switches, and is characterized in that a power supply control system box is arranged in an electromagnetic station, and a single switch and a contactor which are connected with each pull rope switch in series are arranged in the power supply control system box; a red light and a green light are connected in parallel with each pull switch. According to the utility model, fault points can be displayed, and fault positions can be quickly locked; fault points can be quickly isolated, and production is not affected; and on-site processing by contacting professionals is not needed, maintenance and replacement are carried out when normal maintenance time is up, and unnecessary labor intensity and labor cost are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of mining machinery and equipment, in particular to a device for quickly eliminating faults of pull ropes of belt conveyors. Background Art

[0002] Belt conveyor is an important part of mine production and transportation. In order to ensure the personal safety of employees during belt conveyor transportation, a "pull rope switch" is usually set along the belt. This switch is an important safety protection measure. When the safety of personnel near the belt conveyor is threatened, the pull rope switch is quickly disconnected to stop the equipment and protect the safety of personnel. Some belt conveyor systems are located in the tunnel. The belt conveyor carries ore over a long distance. The tunnel is underground and has severe winding and tilting. The underground environment is damp and leaking all year round, and the humidity is high.

[0003] In the process of transporting ore, sometimes the material is unbalanced or the belt jumps, which will cause the ore to hit the pull rope switch; the pull rope switch in a humid environment will also cause the contact point to rust, and sometimes malfunction; the site is dusty, the load is large, the belt vibrates greatly, and the wiring bolts of the pull rope switch will also loosen; the pull rope switch contact point is not sensitive, which will cause the pull rope switch to malfunction and cause the on-site conveyor to stop. Once the pull rope switch fails, it is difficult to determine which one is faulty by naked eye observation, which increases the difficulty of maintenance. Because the on-site transportation distance is long, the entire system has hundreds of pull rope switches, and it takes a certain amount of time to eliminate and find them out, which will affect the production and operation of the entire system, and the hole needs to be contacted and confirmed during the production process, which also brings safety hazards to the personnel who deal with it during the production process. It takes a long time to deal with the pull rope switch failure, which affects production and restricts the safety of the site. Summary of the invention

[0004] The utility model aims to provide a device for quickly eliminating pull rope faults of a belt conveyor, which can quickly eliminate pull rope switch faults, ensure safe production, reduce the influence of pull rope faults on belt operation and production, and effectively reduce labor costs.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] The utility model discloses a device for quickly eliminating pull rope faults of a belt conveyor, comprising a plurality of pull rope switches, and is characterized in that a power control system box is arranged in an electromagnetic station, a single-horsepower switch and a contactor connected in series with each pull rope switch are arranged in the power control system box, and a red light and a green light are connected in parallel with each pull rope switch.

[0007] The green light is connected to the normally closed contact of the contactor, and the red light is connected to the normally open contact of the contactor.

[0008] Each pull-cord switch contact is connected to the PLC.

[0009] Advantages of the utility model:

[0010] (1) The utility model of the belt conveyor pull rope fault quick troubleshooting device can display the fault point and quickly lock the fault location;

[0011] (2) The utility model of the belt conveyor pull rope fault quick troubleshooting device can quickly isolate the fault point without affecting production;

[0012] (3) The utility model provides a quick troubleshooting device for the pull rope of a belt conveyor. It is not necessary to contact professionals for on-site processing, and maintenance and replacement can be carried out during normal maintenance time, thus avoiding unnecessary labor intensity and labor cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an electrical schematic diagram of the utility model.

[0014] Figure 2 This is a schematic diagram of the PLC system of the utility model. DETAILED DESCRIPTION

[0015] The specific implementation of the present utility model is further described below in conjunction with the accompanying drawings.

[0016] like Figure 1 , 2 As shown, the utility model is a device for quickly troubleshooting pull rope faults of a belt conveyor, comprising several pull rope switches K, and is characterized in that a power control system box is arranged in the electromagnetic station, a single-pair switch P and a contactor C connected in series with each pull rope switch K are arranged in the power control system box, and a red light and a green light are connected in parallel with each pull rope switch K.

[0017] The green light is connected to the normally closed contact of the contactor C, and the red light is connected to the normally open contact of the contactor C.

[0018] Each pull-rope switch K contact is connected to the PLC.

[0019] The utility model installs a power control system box in the electromagnetic station, and each pull-rope switch K is also connected in series with a single-horsepower switch P; and red and green lights are connected in parallel to the pull-rope switch K. Under normal conditions, the green light is on; when the pull-rope switch K fails, the corresponding red light is on, indicating the current pull-rope failure. When the red light is on, the single-horsepower switch P in the series circuit can be disconnected, so that the green light is on (indicating that the current pull-rope switch K failure is eliminated), and the system resumes normal operation. During the entire process, the fault is eliminated at the electromagnetic station, and after the current faulty pull-rope switch K is eliminated, the remaining pull-rope switches K in the system are used normally, without affecting the safety of employees' operation. The pull-rope switch K failure can be eliminated at the post, and the electrical personnel do not need to operate it, which does not affect the transfer. When the system is shut down normally, the electrical personnel can replace the faulty pull-rope switch K during the inspection and maintenance time, and then restore the pull-rope switch K and the single-horsepower switch P. This process is also connected to the PLC operated by the system. Each fault point is displayed on the computer operating system, and the entire process is also displayed, which makes it easy to troubleshoot. This also ensures the safety of employees, reduces system maintenance costs, and ensures safe use. Specific embodiment:

[0021] 1. Make a power box at the electromagnetic station, install contactor C1 and single batch switch P1 connected to pull rope switch K1, and then connect two indicator lights L1 green and L2 red in parallel.

[0022] 2. The green light of L1 is connected to the normally closed contact of C1. When the pull-cord switch K1 is normal, the green light of L1 is on. When the pull-cord switch K1 is closed due to a fault, the normally closed contact of C1 is disconnected, the normally open contact is closed, the green light of L1 is off, and the red light of L1 is on, indicating that K1 is closed due to a fault.

[0023] 3. Once a fault occurs, the red light will turn on and the system will shut down. The personnel on duty can manually disconnect the single batch switch P1 to isolate the pull-rope switch K1 in this line and the system will transfer normally.

[0024] 4. At this time, the pull-wire switches K2 and K3 in the system are in normal use and do not affect normal production operations. When the system is shut down for normal maintenance, the electrical personnel can repair or replace the pull-wire switch K1 and restore P1.

[0025] 5. Each pull rope switch K contact is also connected to the PLC. Once a fault occurs, it will be displayed in the computer. Under normal conditions, the 1001 line will be displayed in green; if the pull rope K1 fails, the 1001 line will be displayed in red. Double protection ensures the safety of employees.

[0026] The utility model discloses a device for quickly troubleshooting the pull rope fault of a belt conveyor, which can display the fault point and quickly lock the fault position; the fault point can be quickly isolated without affecting production; there is no need to contact professional personnel for on-site processing unless necessary, and maintenance and replacement can be carried out during normal maintenance time, thus avoiding unnecessary labor intensity and labor cost.

Claims

1. A belt conveyor pull rope fault quick troubleshooting device, comprising several pull rope switches, characterized in that A power control system box is arranged in the electromagnetic station, in which a single-horsepower switch and a contactor connected in series with each pull-rope switch are arranged, and a red light and a green light are connected in parallel with each pull-rope switch.

2. The device for quickly troubleshooting the pull rope fault of a belt conveyor according to claim 1 is characterized in that The green light is connected to the normally closed contact of the contactor, and the red light is connected to the normally open contact of the contactor.

3. The device for quickly troubleshooting the pull rope fault of a belt conveyor according to claim 1 is characterized in that Each pull-cord switch contact is connected to the PLC.

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