CN220181826U

CN220181826U - Simple bucket chain-lifting detection device

Info

Publication number: CN220181826U
Application number: CN202321685188.9U
Authority: CN
Inventors: 范广超; 李祯; 刘新波; 王辉; 龚继兵
Original assignee: Angang Steel Co Ltd
Current assignee: Angang Steel Co Ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-15
Anticipated expiration: 2033-06-29

Abstract

The utility model provides a simple bucket chain-lifting detection device, which comprises: the device comprises a control box, an isolation transformer, a contactor and a bucket elevator contact structure, wherein the isolation transformer and the contactor are arranged in the control box, and the isolation transformer, the contactor and the bucket elevator contact structure are electrically connected through a connecting terminal; the power supply supplies power to the isolation transformer through the wiring terminal, the isolation transformer outputs 0VAC power to a coil of the contactor through the wiring terminal, the coil output end of the contactor is connected to the bucket elevator contact structure through a wire, and the bucket elevator contact structure is connected with the wiring terminal through the wire and is connected with a 36VAC port of the isolation transformer.

Description

Simple bucket chain-lifting detection device

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a simple bucket lifting chain detection device.

Background

The bucket elevator is widely used in industrial environment-friendly implementation and pellet production lines, is influenced by installation forms, has a chain breakage problem which is difficult to judge, and is not provided with an effective and reliable detection device for judging whether the bucket elevator breaks the chain. When the chain of the bucket elevator is disconnected, if the chain cannot be found in time, the whole bucket elevator is finally buried by the material, and the equipment of the previous working procedure is seriously buried and damaged by the material, so that environmental protection accidents and production accidents are brought.

Therefore, a simple bucket-lifting chain detection device needs to be designed.

Disclosure of Invention

According to the technical problem, a simple bucket-lifting chain detection device is provided. The utility model mainly utilizes the electric connection between the isolation transformer and the contactor as well as between the isolation transformer and the bucket elevator to detect electric signals, thereby playing the role of monitoring and alarming the working state of the bucket elevator in real time. The utility model adopts the following technical means:

the utility model provides a simple and easy fill chain of lifting detection device which characterized in that includes: the device comprises a control box, an isolation transformer, a contactor and a bucket elevator contact structure, wherein the isolation transformer and the contactor are arranged in the control box, and the isolation transformer, the contactor and the bucket elevator contact structure are electrically connected through a connecting terminal; the power supply supplies power to the isolation transformer through the wiring terminal, the isolation transformer outputs 0VAC power to a coil of the contactor through the wiring terminal, the coil output end of the contactor is connected to the bucket elevator contact structure through a wire, and the bucket elevator contact structure is connected with the wiring terminal through a wire and is connected with a 36VAC port of the isolation transformer.

Further, the bucket elevator contact structure comprises a grounding brush and a detection brush, the contactor is connected with the grounding brush, and the isolation transformer is connected with the detection brush.

Further, an insulating sleeve is arranged between the grounding brush and the outer shell of the bucket elevator, and a return spring is arranged on the grounding brush and the detection brush.

Further, the signal output end of the contactor is connected with the PLC through the wiring terminal.

The utility model has the following advantages:

1. the simple bucket-lifting chain detection device provided by the utility model can completely avoid false alarms caused by the fact that the proximity switch cannot accurately detect the left and right swing of the bucket-lifting machine ash bucket, meanwhile, the equipment is only provided with the high-temperature-resistant spring and the steel rope in the bucket-lifting machine, is not influenced by high-temperature materials, and is provided with the external equipment only provided with the control box, the isolation transformer and the contactor, the power supply is 380VAC, the PLC is a passive signal, the adaptability is strong, the equipment structure is simple, the reliability is high, and the equipment is easy to maintain after damage.

For the reasons, the utility model can be widely popularized in the technical fields of electrical equipment and the like.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic diagram of a simple bucket chain detection device according to the present utility model.

Fig. 2 is a PLC program diagram of a simple bucket-lift chain detection apparatus according to the present utility model.

In the figure: 1. a control box; 2. an isolation transformer; 3. a contactor; 4. a connection terminal; 5. a grounding brush; 6. detecting brushes; 7. a return spring; 8. a wire; 9. an insulating sleeve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-2, the present utility model provides a simple bucket-lift chain detection device, comprising: the control box 1, the isolation transformer 2, the contactor 3 and the bucket elevator contact structure are arranged in the control box 1, and the isolation transformer 2, the contactor 3 and the bucket elevator contact structure are electrically connected through a connecting terminal 4; the power supply supplies power to the isolation transformer 2 through the wiring terminal 4, the isolation transformer 2 outputs 0VAC power to the coil of the contactor 3 through the wiring terminal 4, the coil output end of the contactor 3 is connected to the bucket elevator contact structure through a wire 8, and the bucket elevator contact structure is connected with the wiring terminal 4 through the wire 8 and is connected with a 36VAC port of the isolation transformer 2; the bucket elevator contact structure comprises a grounding brush 5 and a detection brush 6, the contactor 3 is connected with the grounding brush 5, and the isolation transformer 2 is connected with the detection brush 6; an insulating sleeve is arranged between the grounding brush 5 and the outer shell of the bucket elevator as well as between the detection brush 6 and the outer shell of the bucket elevator, and return springs 7 are arranged on the grounding brush 5 and the detection brush 6; the signal output end of the contactor 3 is connected with the PLC through the connecting terminal 4.

Example 1

As shown in fig. 1-2, the utility model provides a simple bucket chain-lifting detection device, which comprises the following components: and (3) a control box: 300mm by 200mm, material: white steel; isolation transformer: BK150,380VAC- - -36VAC; the contactor comprises: CJX2-0910, 36VAC; insulating sleeve: high temperature resistant insulating sleeve DN15, 50mm long; a grounding brush: phi 12mm steel wire (head break up); detecting brushes: phi 12mm steel wire (head break up); and (3) a return spring: a high-temperature resistant spring with an inner diameter of 12.5mm and an outer diameter of 25mm; and (3) connecting wires: BV1.5mm.

Detection principle: the grounding brush directly contacts with the ash bucket of the bucket through the bucket lifting chain plate, the detection brush conducts the coil of the alternating-current contactor through contact with the ash bucket of the bucket lifting chain plate, the coil conducts to drive the contact to conduct, and then a conducting signal is given to the PLC; when the ash bucket acts, the ash bucket is disconnected from the detection brush, and at the moment, the coil of the contactor is powered off, and a signal for the PLC is disconnected. And (3) performing logic judgment in the PLC program through the periodical on and off of the contactor. Namely: the normal period change time is not more than 5 seconds, when the signal is kept for more than 10 seconds or no signal is generated for more than 10 seconds, the ash bucket can be judged to be inactive, the PLC program gives an alarm, and the post personnel receives the alarm signal and immediately goes to the site to make a specific judgment on whether the bucket elevator fails or not.

The isolation transformer 2, the alternating-current contactor 3 and the wiring terminal 4 are arranged in a control box 1, a 380VAC alternating-current power supply supplies power to the isolation transformer 2 through the wiring terminal 4, and a 36VAC power supply output by the isolation transformer 2 is used as a power supply for the alternating-current contactor 3; the 0V power supply output by the isolation transformer 2 is connected to the coil of the 3 AC contactor 3 through the wiring terminal 4, the coil output terminal of the 3 AC contactor 3 is connected to the grounding brush 5 through the lead 8, electricity is returned to the detection brush 6 through the hopper conduction, and the detection brush 6 is connected to the wiring terminal 4 through the lead 8 and returns to the 36V power supply of the isolation transformer 2. Wherein return spring 7 is used for keeping ground brush 5 and detection brush 6 can in time get back to on the horizontal position, and insulating sleeve 9 is used for preventing ground brush 5, detection brush 6, return spring 7, wire 8 etc. and bucket elevator box together with electrically conductive.

When the ash bucket acts, the ash bucket is disconnected with the detection brush 6, and at the moment, the coil of the contactor 3 is powered off, and a signal for the PLC is disconnected. The logic judgment is made in the PLC program by periodically turning on and off the contactor 3. Namely: the normal period change time is not more than 5 seconds, when the signal is kept for more than 10 seconds or no signal is generated for more than 10 seconds, the ash bucket can be judged to be inactive, the PLC program gives an alarm, and the post personnel receives the alarm signal and immediately goes to the site to make a specific judgment on whether the bucket elevator fails or not.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a simple and easy fill chain of lifting detection device which characterized in that includes: the device comprises a control box, an isolation transformer, a contactor and a bucket elevator contact structure, wherein the isolation transformer and the contactor are arranged in the control box, and the isolation transformer, the contactor and the bucket elevator contact structure are electrically connected through a connecting terminal; the power supply supplies power to the isolation transformer through the wiring terminal, the isolation transformer outputs 0VAC power to a coil of the contactor through the wiring terminal, the coil output end of the contactor is connected to the bucket elevator contact structure through a wire, and the bucket elevator contact structure is connected with the wiring terminal through a wire and is connected with a 36VAC port of the isolation transformer.

2. The simple bucket elevator contact structure of claim 1, wherein the bucket elevator contact structure comprises a grounding brush and a detection brush, the contactor is connected with the grounding brush, and the isolation transformer is connected with the detection brush.

3. The simple bucket elevator detection device of claim 2, wherein an insulating sleeve is arranged between the grounding brush and the outer shell of the bucket elevator, and return springs are arranged on the grounding brush and the detection brush.

4. The simple bucket elevator detection device of claim 1, wherein the signal output end of the contactor is connected with the PLC through the connection terminal.