CN214256275U

CN214256275U - Proximity switch of mine material distribution trolley suitable for dust environment

Info

Publication number: CN214256275U
Application number: CN202022437933.0U
Authority: CN
Inventors: 黄笃学; 闫宝军
Original assignee: Hebei Iron and Steel Group Mining Co Ltd
Current assignee: Hebei Iron and Steel Group Mining Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-09-21
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a mine cloth dolly proximity switch suitable for dust environment, belongs to mine cloth dolly equipment technical field for pinpoint the cloth dolly in dust environment. The technical scheme is as follows: the trigger magnet is fixed in cloth dolly lower part, at orbital one side installation switch magnet of dolly and fixed magnet, switch magnet is connected with proximity switch's wire respectively with fixed magnet, switch magnet is relative with fixed magnet's homopolar end, make proximity switch's wire be in the off-state, trigger magnet is relative with switch magnet's homopolar end, the cloth dolly removes proximity switch department, trigger magnet's magnetic force promotes switch magnet and contacts with fixed magnet, proximity switch's wire switches on, proximity switch signals. The utility model has the advantages of being simple in structure and convenient in operation, the homopolar repulsion characteristic that utilizes bar magnet can accurate location dolly position to do not receive the big environmental impact in ore grinding storehouse dust, make the cloth dolly can the cloth even, satisfy the requirement of ore dressing production.

Description

Proximity switch of mine material distribution trolley suitable for dust environment

Technical Field

The utility model relates to a proximity switch of metal mine grinds selection processing equipment cloth dolly belongs to mine cloth dolly equipment technical field.

Background

The metal mine grinding and selecting workshop process needs to arrange the mineral aggregate distributing trolley on the tops of the grinding bins, the grinding bins are harsh in environment and large in dust, the distributing trolley is often inaccurate in positioning during operation, the distributing is uneven, and the next single process is influenced. The positioning switch of the existing distribution trolley adopts a common metal proximity switch, a laser positioning switch and the like, and the dust influences the sensitivity and accuracy of the switch under the high-dust environment of a grinding bin, so that the positioning effect is poor, and the switch is urgently required to be improved to meet the continuous and efficient production of a mineral separation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a mine cloth dolly proximity switch suitable for dust environment is provided, this kind of proximity switch does not receive the influence of dust, can pinpoint in dust environment, makes the cloth dolly can the cloth even, guarantees going on smoothly of production.

The technical scheme for solving the technical problems is as follows:

a proximity switch of a mine material distribution trolley suitable for a dust environment comprises a trigger magnet, a switch magnet, a fixed magnet, a switch support, a contact copper sheet, an insulating copper strip and a conducting wire, wherein the trigger magnet, the switch magnet and the fixed magnet are strip magnets, the magnetic force of the switch magnet is the same as that of the fixed magnet, the magnetic force of the trigger magnet is more than twice that of the switch magnet, the trigger magnet is fixed at the lower part of the material distribution trolley, the switch support is fixed at one side of a trolley track, the switch magnet and the fixed magnet are arranged on the switch support, the fixed magnet is fixedly connected with the switch support, the switch magnet is in sliding fit with the switch support, the switch magnet is positioned behind the fixed magnet, one ends of the switch magnet and the fixed magnet, which have the same polarity, are opposite to each other on the same straight line, a gap is reserved between the homopolar ends of the switch magnet and the fixed magnet, and one ends of the trigger magnet, which have the same polarity, are opposite to each other, the length direction of trigger magnet and switch magnet is parallel, and the wire lays along the switch support, and fixed binding post is connected respectively at the both ends of wire, and switch magnet and fixed magnet connect the insulating copper bar respectively, and switch magnet and fixed magnet's insulating copper bar is relative between switch magnet and fixed magnet.

Above-mentioned mine cloth dolly proximity switch suitable for dust environment, trigger magnet and install in triggering the box, trigger the box and be the rectangle box body of plastics material, trigger the box and fix the lower part at the cloth dolly, trigger the front end of box and have the trompil, trigger the front end of magnet and trigger the box trompil relative.

Above-mentioned mine cloth dolly proximity switch suitable for dust environment, switch magnet and fixed magnet are placed in the switch box, and the switch box is the rectangle box body of plastics material, and the switch box is fixed in the orbital one side of dolly, and there is the trompil switch box's rear end, and fixed magnet fixes the front portion at the switch box, and switch magnet is located fixed magnet's rear, and there is the plastics slide along switch box length direction bottom of switch magnet's below switch box on the surface, and switch magnet's bottom surface is sliding fit with the slide, and switch magnet's rear end is relative with the trompil at switch box rear portion.

According to the proximity switch of the mine material distribution trolley suitable for the dust environment, the length directions of the trigger box and the switch box are parallel and are in the same vertical plane, the trigger box is located below the switch box, and a height difference of 2-5mm is formed between the top surface of the trigger box and the bottom surface of the switch box.

The utility model has the advantages that:

the utility model discloses at the fixed trigger magnet in cloth dolly lower part, at orbital side-mounting switch magnet of dolly and fixed magnet, switch magnet is connected with proximity switch's wire respectively with fixed magnet, switch magnet is relative with fixed magnet's homopolar end, make proximity switch's wire be in the off-state, the cloth dolly moves proximity switch department, the magnetic force of trigger magnet promotes switch magnet and contacts with fixed magnet, proximity switch's wire switches on, proximity switch signals, the cloth dolly leaves, switch magnet and fixed magnet resume interval state, the disconnection of proximity switch wire.

The utility model has the advantages of being simple in structure and convenient in operation, proximity switch has been made to make full use of bar magnet's homopolar repulsion, heteropolar attraction characteristic, and this kind of proximity switch can accurate location dolly position to do not receive the big environmental impact of ore grinding storehouse dust, make the cloth dolly can the cloth even, satisfy the requirement of ore dressing technology continuous, high-efficient production.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a side view of fig. 1.

The figures are labeled as follows: the cloth trolley comprises a cloth trolley 1, a trolley track 2, a trigger box 3, a switch box 4, a trigger magnet 5, a switch magnet 6, a fixed magnet 7, a switch support 8, a contact copper sheet 9, an insulating copper strip 10, a lead 11 and a wiring terminal 12.

Detailed Description

The utility model discloses constitute by trigger box 3, switch box 4, trigger magnet 5, switch magnet 6, fixed magnet 7, switch support 8, contact copper sheet 9, insulating copper bar 10, wire 11, binding post 12.

The drawing shows that the trigger box 3 is a rectangular box body made of plastic materials, the trigger box 3 is fixed at the lower part of the cloth trolley 1, and the front end of the trigger box 3 is provided with a hole. The trigger magnet 5 is fixed in the trigger box 3, and the front end of the trigger magnet 5 is opposite to the opening of the trigger box 3.

The figure shows that the switch bracket 8 is fixed below one side of the trolley track 2 and the switch box 4 is fixed on the switch bracket 8. The switch box 4 is a rectangular box body made of plastic materials, and the rear end of the switch box 4 is provided with a hole. Switch magnet 6 and fixed magnet 7 are placed in switch box 4, and fixed magnet 7 is fixed in the front portion of switch box 4, and switch magnet 6 is located fixed magnet 7's rear, has the plastics slide along switch box 4 length direction on the bottom surface of switch box 4's the below of switch magnet 6, and the bottom surface and the slide of switch magnet 6 are sliding fit, and the rear end of switch magnet 6 is relative with the trompil at switch box 4 rear portion.

The figure shows that the length directions of the trigger box 3 and the switch box 4 are parallel and in the same vertical plane, the trigger box 3 is positioned below the switch box 4, and the height difference between the top surface of the trigger box 3 and the bottom surface of the switch box 4 is 2-5 mm. This arrangement enables the magnetic force of the trigger magnet 5 in the trigger box 3 to act on the switch magnet 6 in the switch box 4.

The drawing shows that the trigger magnet 5, the switch magnet 6 and the fixed magnet 7 are all bar magnets, the magnetic force of the switch magnet 6 and the fixed magnet 7 is the same, and the magnetic force of the trigger magnet 5 is more than twice of the magnetic force of the switch magnet 6. The switch magnet 6 and the fixed magnet 7 have the same polarity and the same polarity end is opposite to each other on the same straight line, and the same polarity is repelled to keep a certain gap between the switch magnet 6 and the same polarity end of the fixed magnet 7, and the trigger magnet 5 is opposite to the same polarity end of the switch magnet 6.

The drawing shows that a wire 11 is made of 2.5mm insulated hard copper wires and laid along a switch bracket 8 and a switch box 4, two ends of the wire 11 are respectively connected with a fixed wiring terminal 12, a switch magnet 6 and a fixed magnet 7 are respectively connected with an insulated copper bar 10, the switch magnet 6 is opposite to the insulated copper bar 10 of the fixed magnet 7, and the insulated copper bar 10 is made of 5 × 2mm and is coated with an insulating layer. The contact copper sheet 9 is a round copper sheet with the diameter of 8 mm. The contact copper sheets 9 are welded on the insulating copper strips 10. When the switch magnet 6 and the fixed magnet 7 are contacted, the contact copper sheets 9 of the insulating copper strips 10 connected with the switch magnet and the fixed magnet are contacted, so that the conducting wire 11 is connected, the connecting terminals 12 at two ends of the conducting wire 11 are respectively connected with the control device, and the phase control device sends a signal for switching on the proximity switch.

The working process of the utility model is as follows:

the utility model discloses a trigger magnet 5, switch magnet 6 and fixed magnet 7 install respectively on cloth dolly 1 and the dolly track 2, the magnetic force that triggers magnet 5 is greater than switch magnet 6 and fixed magnet 7, utilizes three bar magnet repulsion at the same level, and the principle of different grade attraction is put through and is disconnected proximity switch.

When the position of switch box 4 is removed to cloth dolly 1, the magnetic force repulsion switch magnet 6 of trigger magnet 5, because the magnetic force of trigger magnet 5 is greater than the twice of switch magnet 6 magnetic force, can make switch magnet 6 overcome the repulsion of fixed magnet 7 and move to fixed magnet 7 one side, switch magnet 7 contacts with the insulating copper bar 10 of fixed magnet 7, lead to proximity switch's wire 11 switch-on, proximity switch sends speed reduction or stop signal, the position of accurate location cloth dolly 1.

When the cloth trolley 1 is far away from the switch box 4, the trigger magnet 5 is far away from the switch box, and the switch magnet 6 is not acted by magnetic force any more. The homopolar poles of the switch magnet 6 and the fixed magnet 7 repel each other, so that a gap is generated between the homopolar ends of the switch magnet 6 and the fixed magnet 7, the insulating copper strips 10 of the switch magnet 7 and the fixed magnet 7 are separated, the lead 11 is disconnected, and the proximity switch is in a disconnected state.

The utility model discloses utilize proximity switch's closure and off-state to judge 1 position of cloth dolly, send speed reduction or stop signal, create necessary basic condition for accurate location dolly position, accurate control dolly. And the device is not influenced by the environment of dust in the ore grinding bin, and meets the requirements of continuous and efficient production of an ore dressing process.

The utility model discloses an embodiment as follows:

the trigger box 3 is made of plastic, and has the length of 200mm, the width of 100mm and the height of 100 mm;

the switch box 4 is made of plastic, and has the length of 200mm, the width of 100mm and the height of 100 mm;

the switch bracket 8 is made of 4-3 mm angle steel;

the trigger magnet 5 is a permanent magnet bar magnet, the length is 80mm, the width is 40mm, and the height is 40 mm;

the switch magnet 6 and the fixed magnet 7 are permanent magnet bar magnets, the length is 40mm, the width is 20mm, and the height is 20 mm.

Claims

1. The utility model provides a mine cloth dolly proximity switch suitable for dust environment which characterized in that: the novel cloth trolley comprises a trigger magnet (5), a switch magnet (6), a fixed magnet (7), a switch support (8), an insulating copper bar (10), a lead (11) and a wiring terminal (12), wherein the trigger magnet (5), the switch magnet (6) and the fixed magnet (7) are all bar magnets, the magnetic force of the switch magnet (6) is the same as that of the fixed magnet (7), the magnetic force of the trigger magnet (5) is more than twice of that of the switch magnet (6), the trigger magnet (5) is fixed on the lower portion of the cloth trolley (1), the switch support (8) is fixed on one side of the trolley track (2), the switch magnet (6) and the fixed magnet (7) are installed on the switch support (8), the fixed magnet (7) is fixedly connected with the switch support (8), the switch magnet (6) is in sliding fit with the switch support (8), the switch magnet (6) is located behind the fixed magnet (7), switch magnet (6) are relative on same straight line with the one end of fixed magnet (7) same polarity, it is gapped between the homopolar end of switch magnet (6) and fixed magnet (7), trigger magnet (5) are relative with the one end of switch magnet's (6) same polarity, trigger magnet (5) are parallel with the length direction of switch magnet (6), proximity switch's wire (11) lay along switch support (8), fixed binding post (12) are connected respectively to the both ends of wire (11), insulating copper bar (10) are connected respectively to switch magnet (6) and fixed magnet (7), insulating copper bar (10) of switch magnet (6) and fixed magnet (7) are relative between switch magnet (6) and fixed magnet (7).

2. The mine distribution trolley proximity switch suitable for use in dusty environments of claim 1, wherein: trigger magnet (5) and install in triggering box (3), trigger box (3) and be the rectangle box body of plastics material, trigger box (3) and fix the lower part at cloth dolly (1), the front end that triggers box (3) has the trompil, and the front end that triggers magnet (5) is relative with triggering box (3) trompil.

3. The mine distribution trolley proximity switch suitable for use in dusty environments of claim 2, wherein: switch magnet (6) and fixed magnet (7) are placed in switch box (4), switch box (4) are the rectangle box body of plastics material, one side at dolly track (2) is fixed in switch box (4), there is the trompil rear end of switch box (4), fixed magnet (7) are fixed in the front portion of switch box (4), switch magnet (6) are located the rear of fixed magnet (7), the bottom of switch magnet (6) is sliding fit with the bottom surface of switch box (4), the rear end of switch magnet (6) is relative with the trompil at switch box (4) rear portion.

4. The mine distribution trolley proximity switch suitable for use in dusty environments of claim 3, wherein: the length directions of the trigger box (3) and the switch box (4) are parallel and in the same vertical plane, the trigger box (3) is positioned below the switch box (4), and the height difference of 2-5mm is formed between the top surface of the trigger box (3) and the bottom surface of the switch box (4).