CN207016070U - Mine conveyer belt broken-belt catching equipment - Google Patents

Abstract

The utility model discloses a kind of mine conveyer belt broken-belt catching equipment, including ribbon conveyer remote console and multiple broken belt catchers with the ribbon conveyer remote console radio communication, the broken belt catcher includes the detection agency being broken for detecting conveyer belt to relax and for preventing the disconnected mechanical arm of conveyer belt pine, and for controlling the control box of detection agency and the mechanical arm work, the detection agency includes the metallic plate being arranged on close to auxiliary cylinder in ribbon conveyer frame, one end is connected to the montant on support by damping, the pulley for being rotatably installed in the montant other end and being in contact with conveyer belt and the eddy current displacement sensor for being arranged in montant and coordinating with metallic plate.The utility model obtains conveyer belt relaxation or fracture information by current vortex induction mode, is applicable reliably, and damping driving montant, which promptly presses conveyer belt and presses conveyer belt by mechanical arm, protects ribbon conveyer.

Description

Mine conveyer belt broken-belt catching equipment

Technical field

The utility model belongs to conveyer belt broken-belt catching technical field, and in particular to a kind of mine conveyer belt breaks Band arrests equipment.

Background technology

An important step in coal production is Coal mine transportation system, and what Coal mine transportation system was mainly taken at present is defeated Send machine belt-conveying.Ribbon conveyer will typically carry out remote, overlength working time and overweight freight volume in being transported in colliery Work, due to adhesive tape unbalance stress during use, the skew of coal breakage position, transport inclination angle is big the problems such as may cause conveyer Belt slack, skidding, sideslip, broken belt etc..When conveyer belt is due to the quality problems such as overload, aging and improper operation Suddenly during fracture, tight conveyer belt is because fracture can be glided rapidly, or even flies to throw out and hit to staff, and scatters A large amount of coal cinders can also pound to personnel and equipment, threaten human life's safety and damage installations and facilities nearby, cause huge warp Ji loss.At present, it has been suggested that the technology come is substantially the warning device of conveyer belt fracture, and the scope mistake monitored more In extensively can not accurately judge the specific breakaway poing of conveyer belt, it is unfavorable for post-rift emergent management.And most of phase Pass technology also only has warning function, without the post-rift safeguard function of emergent management conveyer belt.Therefore, it is necessary to a kind of ore deposit With conveyer belt broken-belt catching equipment, it is effectively treated, is avoided because of conveying for the fracture of ribbon conveyer conveyer belt Machine belt fracture and caused by follow-up casualties and equipment damaed cordition.

Utility model content

Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided a kind of mining Conveyer belt broken-belt catching equipment, it is novel in design rationally, defeated by eddy current displacement sensor and metallic plate sensing acquisition Machine belt slack or fracture information are sent, accurate positioning, sensing is accurate, is applicable reliably, is promptly pressed using damping driving montant Press conveyer belt and conveyer belt is pressed by mechanical arm, protect ribbon conveyer, be easy to promote the use of.

In order to solve the above technical problems, the technical solution adopted in the utility model is：Mine conveyer belt broken-belt catching Equipment, it is characterised in that：Including ribbon conveyer remote console and it is multiple with the ribbon conveyer remote console without The broken belt catcher of line communication, the broken belt catcher include being used for the detection agency for detecting conveyer belt relaxation fracture With the mechanical arm for preventing conveyer belt pine from breaking, and the control for controlling the detection agency and mechanical arm to work Box, metallic plate that the detection agency includes being arranged in ribbon conveyer frame close to auxiliary cylinder, one end pass through damping machine Montant that structure is connected on support, the pulley for being rotatably installed in the montant other end and being in contact with conveyer belt and it is arranged on perpendicular The eddy current displacement sensor coordinated in bar and with metallic plate；

Damping is including daming piston cylinder body and in daming piston cylinder body and drives the damping of montant lifting to live Seben, and the damping spring of daming piston plate and daming piston cylinder body is connected, it is provided with peace in the side wall of daming piston cylinder body The first tracheae of air air inlet and exhaust valve and the second tracheae of installation high pressure air inlet and exhaust valve are filled, daming piston cylinder body passes through described second Tracheae connects with damping high-pressure cylinder；

By fixed arm, cursor and for pressing being formed by pressing device for conveyer belt, fixed arm passes through the mechanical arm First fix bar is fixed on support, and one end of cursor is connected by rotary shaft with fixed arm, and cursor is arranged on by pressing device The other end；

Control box includes explosion-resistant enclosure, the electronic circuit board being arranged in the explosion-resistant enclosure and is arranged on described explosion-proof Audible-visual annunciator and display screen on shell, be integrated with the electronic circuit board microcontroller, power supply and with it is micro- The wireless radio frequency circuit of controller connection and the memory for storing eddy current displacement sensor and metallic plate distance threshold, electricity Eddy displacement sensor is connected by signal conditioning circuit with microcontroller, and microcontroller is controlled by motor drive module and rotated Axle rotates, rotary shaft, audible-visual annunciator, display screen, air air inlet and exhaust valve and the equal microprocessor control of high pressure air inlet and exhaust valve；

Signal conditioning circuit is electric by the phase-sensitive detection circuit, high precision operating amplifier circuit, voltage follow being sequentially connected Road and analog to digital conversion circuit composition；Wireless radio frequency circuit is communicated with the ribbon conveyer remote console, the machinery Arm corresponds with auxiliary cylinder.

Above-mentioned mine conveyer belt broken-belt catching equipment, it is characterised in that：The explosion-resistant enclosure is fixed by second Bar is fixed on support.

Above-mentioned mine conveyer belt broken-belt catching equipment, it is characterised in that：The pressing device of pressing is towards auxiliary cylinder It is simultaneously the cambered surface coordinated with auxiliary cylinder extrados.

Above-mentioned mine conveyer belt broken-belt catching equipment, it is characterised in that：The phase-sensitive detection circuit includes simulation Multiplier ADL5391, high precision operating amplifier circuit include high precision operating amplifier OP07.

The utility model has advantages below compared with prior art：

1st, the utility model is by setting eddy current displacement sensor and metallic plate to coordinate detection range, and then determines defeated Send the up belt of machine belt and the spacing of ribbon conveyer frame, using memory storage conveyer belt up belt with The distance threshold of ribbon conveyer frame, so that it is determined that the relaxed state or breaking state of conveyer belt, using flexible, are applicable Property is strong；The setting of metallic plate can not only meet the detection of distance, while can also coordinate with montant and lock when conveyer belt is broken Surely the conveyer belt being broken, using effect is good, is easy to promote the use of.

2nd, the utility model is by setting the advantage of damping to have two, first, contributing to when montant moves up and down pair The conveyer belt of ribbon conveyer plays cushioning effect, first, helping to press in the conveyer belt fracture of ribbon conveyer Conveyer belt, very first time protection ribbon conveyer, avoids the conveyer belt of ribbon conveyer from flying to get rid of injury staff, Reliable and stable, using effect is good.

3rd, the utility model is existing when there is conveyer belt that fracture occurs by installing mechanical arm for each auxiliary cylinder As, coordinate pressing conveyer belt by multiple mechanical arms, avoid conveyer belt from rapidly falling off, it is stable effective.

In summary, the utility model is novel in design rationally, is obtained by eddy current displacement sensor and metallic plate sensing Conveyer belt relaxation or fracture information, accurate positioning, sensing is accurate, is applicable reliably, drives montant urgent using damping Press conveyer belt and conveyer belt is pressed by mechanical arm, protect ribbon conveyer, be easy to promote the use of.

Below by drawings and examples, the technical solution of the utility model is described in further detail.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the position relationship schematic diagram of the utility model mechanical arm and conveyer belt, auxiliary cylinder and support.

Fig. 3 is the structural representation of the utility model damping.

Fig. 4 is enlarged drawing at A in Fig. 1.

Fig. 5 is the utility model control box and eddy current displacement sensor and the circuit connecting relation schematic diagram of metallic plate.

Fig. 6 is the schematic block circuit diagram of the utility model signal conditioning circuit.

Description of reference numerals:

1-control box；1-1-power supply；1-4-microcontroller；

1-5-audible-visual annunciator；1-6-display screen；1-7-wireless radio frequency circuit；

1-8-motor drive module；1-9-memory；2-support；

3-montant；4-damping；4-1-damping high-pressure cylinder；

4-2-high pressure air inlet and exhaust valve；4-3-air air inlet and exhaust valve；4-4-damping spring；

4-5-daming piston plate；4-6-daming piston cylinder body；5-the second fix bar；

6-pulley；7-conveyer belt；8-auxiliary cylinder；

9-eddy current displacement sensor；10-metallic plate；13-mechanical arm；

13-1-press pressing device；13-2-cursor；13-3-fixed arm；

13-4-rotary shaft；14-ribbon conveyer frame；15-the first fix bar；

20-signal conditioning circuit；20-1-phase-sensitive detection circuit；

20-2-high precision operating amplifier circuit；20-3-voltage follower circuit；

20-4-analog to digital conversion circuit.

Embodiment

As shown in Figures 1 to 6, mine conveyer belt broken-belt catching equipment described in the utility model, including belt are defeated Machine remote console and multiple broken belt catchers with the ribbon conveyer remote console radio communication are sent, it is described disconnected With break catching apparatus the detection agency of the relaxation fracture of conveyer belt 7 is detected including being used for and for preventing the pine of conveyer belt 7 from breaking Mechanical arm 13, and for controlling the control box 1 of the detection agency and mechanical arm 13 work, the detection agency includes leaning on Metallic plate 10 that nearly auxiliary cylinder 8 is arranged in ribbon conveyer frame 14, one end are connected on support 2 by damping 4 Montant 3, the pulley 6 that is rotatably installed in the other end of montant 3 and is in contact with conveyer belt 7 and be arranged in montant 3 and with The eddy current displacement sensor 9 that metallic plate 10 coordinates；

It should be noted that the setting of multiple broken belt catchers is to ensure edge conveying after the fracture of conveyer belt 7 Multiple protection points are set on the traffic direction of machine belt 7 while pressing protection is carried out to conveyer belt 7, play fast and stable braking Effect, avoid not working to ribbon conveyer braking caused by single broken belt catcher effect difference or malfunction；It is each disconnected An auxiliary cylinder 8 is corresponded in band break catching apparatus, is detected in real time by installing a detection agency for each auxiliary cylinder 8 Conveyer belt 7 is broken, and is driven eddy current displacement sensor 9 to move up and down by the up and down motion of montant 3, is matched somebody with somebody with metallic plate 10 Detection range is closed, and then determines the up belt of conveyer belt 7 and the spacing of ribbon conveyer frame 14, conveyer is set The up belt of belt 7 and the distance threshold of ribbon conveyer frame 14, so that it is determined that the relaxed state of conveyer belt 7 or disconnected Split state, using flexible, strong applicability；The setting of metallic plate 14 is for the moment in order to meet distance of reaction, but in order to convey When machine belt 7 is broken, the conveyer belt 7 of locking fracture is coordinated with montant 3, using effect is good, positions fast accurate；By for Each auxiliary cylinder 8 is equipped with a mechanical arm 13, when there is conveyer belt 7 that phenomenon of rupture occurs, is pressed by mechanical arm 13 Conveyer belt 7, avoid conveyer belt 7 from rapidly falling off, avoid coal from splashing and damage equipment and injure other people；Lean on simultaneously Montant 3 is respectively mounted on the side of each nearly auxiliary cylinder 8, on the one hand the installation of montant 3 provides for eddy current displacement sensor 9 Mobile installation foundation, pressing conveyer belt 7 is on the other hand coordinated with damping 4, aids in the braking of ribbon conveyer.

Damping 4 is including daming piston cylinder body 4-6 and in daming piston cylinder body 4-6 and drives montant 3 to lift Daming piston plate 4-5, and connection daming piston plate 4-5 and daming piston cylinder body 4-6 damping spring 4-4, daming piston Installation air air inlet and exhaust valve 4-3 the first tracheae and the second of installation high pressure air inlet and exhaust valve 4-2 is provided with cylinder body 4-6 side wall Tracheae, daming piston cylinder body 4-6 are connected by second tracheae with damping high-pressure cylinder 4-1；

It should be noted that the purpose for setting damping 4 has two, first, contributing to when montant 4 moves up and down pair Conveyer belt 7 plays cushioning effect, first, contributing to press conveyer belt 7 when conveyer belt 7 is broken, the very first time protects Ribbon conveyer is protected, avoids conveyer belt 7 from flying to get rid of injury staff, when 7 normal work of conveyer belt, on montant 3 Lower movement, the lower end of montant 3 are provided with pulley 6, and pulley 6 is in contact with conveyer belt 7, and pulley 6 keeps rolling, defeated to reduce The frictional force of machine belt 7 and montant 3 is sent, also reduces the degree of wear of conveyer belt 7, air air inlet and exhaust valve 4-3 setting It is to ensure when 7 normal work of conveyer belt, frees in and out air in daming piston cylinder body 4-6, realize to being moved down on montant 3 Dynamic buffering；When conveyer belt 7 is broken, montant 3 is because deadweight is sunk, and eddy current displacement sensor 9 moves down, micro-control Device 1-4 processed drives high pressure air inlet and exhaust valve 4-2, and damping high-pressure cylinder 4-1 gases at high pressure are poured in daming piston cylinder body 4-6, will Daming piston plate 4-5 is pushed up downwards, stretching damping spring 4-4 so that montant 3 moves down, and is offseted with metallic plate 10, can lock Conveyer belt 7.

The mechanical arm 13 by fixed arm 13-3, cursor 13-2 and for press conveyer belt 7 by pressing device 13-1 Composition, fixed arm 13-3 is fixed on support 2 by the first fix bar 15, cursor 13-2 one end by rotary shaft 13-4 with Fixed arm 13-3 connections, the cursor 13-2 other end is arranged on by pressing device 13-1；

In the present embodiment, the one side by pressing device 13-1 towards auxiliary cylinder 8 is to coordinate with the extrados of auxiliary cylinder 8 Cambered surface.

It should be noted that fixed arm 13-3 setting is to provide fixed pivot for cursor 13-2, cursor 13-2's One end is connected by rotary shaft 13-4 with fixed arm 13-3, rotary shaft 13-4 by by motor drive module 1-8 by microcontroller 1-4 is controlled, and in actual use, can extend cursor 13-2 length as far as possible according to environment space, and then mitigate and press pressing device 13-1 active force, extend the service life by pressing device 13-1.

It should be noted that the purpose that the one side by pressing device 13-1 towards auxiliary cylinder 8 is cambered surface be for auxiliary Cooperation that the extrados of roller 8 is seamless, increase are pressed the active force of conveyer belt 7 by pressing device 13-1, and then make conveyer belt 7 not It is easy to fall off, it is more more reliable than link friction by the way of face rubs, faster brake, improve the braking effect of conveyer.

Control box 1 includes explosion-resistant enclosure, the electronic circuit board being arranged in the explosion-resistant enclosure and is arranged on described anti- Audible-visual annunciator 1-5 and display screen 1-6 on quick-fried shell, microcontroller 1-4, power supply are integrated with the electronic circuit board 1-1 and the wireless radio frequency circuit 1-7 being connected with microcontroller 1-4 and for storing eddy current displacement sensor 9 and metal The memory 1-9 of the distance threshold of plate 10, eddy current displacement sensor 9 are connected by signal conditioning circuit 20 with microcontroller 1-4, Microcontroller 1-4 controls rotary shaft 13-4 to rotate by motor drive module 1-8, rotary shaft 13-4, audible-visual annunciator 1-5, shows Display screen 1-6, air air inlet and exhaust valve 4-3 and the equal microcontroller 1-4 controls of high pressure air inlet and exhaust valve 4-2；

In the present embodiment, the explosion-resistant enclosure is fixed on support 2 by the second fix bar 5.

It should be noted that subsurface environment is complicated severe, anti-explosion safety is that the primary of underground equipment solves the problems, such as, explosion-proof The setting of shell is to ensure the safe to use of electrical equipment in control box 1, avoid the point spark of electrical equipment in control box 1 Underground coal mine is threatened, audible-visual annunciator 1-5 setting is in order to can be timely after conveyer belt 7 occurs and is broken Signal an alert, the very first time inform that conveyer belt 7 is broken and the fracture position of conveyer belt 7, signal conditioning circuit 20, in real time to microcontroller 1-4 transmission signals, make each microcontroller 1-4 be in monitoring state in real time.

It should be noted that eddy current displacement sensor 9 is a kind of electronic device of output voltage signal, when current vortex position When the distance of displacement sensor 9 and metallic plate 10 is close, the surface of metallic plate 10 receives the higher-order of oscillation in eddy current displacement sensor 9 Energy, make the linear decay of the oscillator output amplitude in eddy current displacement sensor 9, using non-contacting mode detect away from From eddy current displacement sensor 9 is not influenceed when working by underground dust, service life length, it is severe to be highly suitable for underground coal mine Used in environment.

Signal conditioning circuit 20 by be sequentially connected phase-sensitive detection circuit 20-1, high precision operating amplifier circuit 20-2, Voltage follower circuit 20-3 and analog to digital conversion circuit 20-4 compositions；Wireless radio frequency circuit 1-7 is remotely controlled with the ribbon conveyer Platform processed is communicated, and the mechanical arm 13 corresponds with auxiliary cylinder 8.

It should be noted that phase-sensitive detection circuit 20-1 setting is to remove the signal of eddy current displacement sensor 9 High-frequency noise, useful signal is extracted, play the effect of LPF；High precision operating amplifier circuit 20-2 setting be in order to The phase-sensitive detection circuit 20-1 small-signals obtained are effectively amplified, are easy to post-processing；Voltage follower circuit 20-3 Setting be for the stable voltage signal kept after amplification, there is provided a reliable and stable magnitude of voltage.

In the present embodiment, the phase-sensitive detection circuit 20-1 includes analog multiplier ADL5391, high precision operating amplifier Circuit 20-2 includes high precision operating amplifier OP07.

It should be noted that analog multiplier ADL5391 can work in the environment that temperature range is -40 DEG C to+85 DEG C, Meet work requirements under real well.

The utility model is in use, ribbon conveyer remote console controls band while controlling multiple broken belt catchers The master rotor of formula conveyer is shut down, and because the transportation range of conveyer belt 7 is remote, master rotor shuts down delay length, it is impossible to fast and effective Realize ribbon conveyer brake, therefore, be used cooperatively using multiple broken belt catchers, realize ribbon conveyer broken-belt catching Work.

It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still Belong in the protection domain of technical solutions of the utility model.

Claims (4)

1. mine conveyer belt broken-belt catching equipment, it is characterised in that：Including ribbon conveyer remote console and it is multiple With the broken belt catcher of the ribbon conveyer remote console radio communication, the broken belt catcher includes being used to detect The detection agency of conveyer belt (7) relaxation fracture and the mechanical arm (13) for preventing conveyer belt (7) pine from breaking, Yi Jiyong In the control box (1) for controlling detection agency and mechanical arm (13) work, the detection agency is included close to auxiliary cylinder (8) The metallic plate (10) that is arranged in ribbon conveyer frame (14), one end are connected to perpendicular on support (2) by damping (4) Bar (3), the pulley (6) for being rotatably installed in montant (3) other end and being in contact with conveyer belt (7) and it is arranged on montant (3) Eddy current displacement sensor (9) that is interior and coordinating with metallic plate (10)；

Damping (4) includes daming piston cylinder body (4-6) and the interior and drive montant (3) installed in daming piston cylinder body (4-6) The daming piston plate (4-5) of lifting, and the damping spring (4- of connection daming piston plate (4-5) and daming piston cylinder body (4-6) 4) the first tracheae and installation height that installation air air inlet and exhaust valve (4-3), is provided with the side wall of daming piston cylinder body (4-6) are pressed into Second tracheae of air bleeding valve (4-2), daming piston cylinder body (4-6) are connected by second tracheae and damping high-pressure cylinder (4-1) It is logical；

The mechanical arm (13) by fixed arm (13-3), cursor (13-2) and for press conveyer belt (7) by pressing device (13-1) is formed, and fixed arm (13-3) is fixed on support (2) by the first fix bar (15), and one end of cursor (13-2) leads to Cross rotary shaft (13-4) to be connected with fixed arm (13-3), cursor (13-2) other end is arranged on by pressing device (13-1)；

Control box (1) includes explosion-resistant enclosure, the electronic circuit board being arranged in the explosion-resistant enclosure and is arranged on described explosion-proof Audible-visual annunciator (1-5) and display screen (1-6) on shell, microcontroller (1-4), power supply are integrated with the electronic circuit board Power supply (1-1) and the wireless radio frequency circuit (1-7) being connected with microcontroller (1-4) and for store current vortex displacement sensing The memory (1-9) of device (9) and metallic plate (10) distance threshold, eddy current displacement sensor (9) pass through signal conditioning circuit (20) connect with microcontroller (1-4), microcontroller (1-4) controls rotary shaft (13-4) to turn by motor drive module (1-8) It is dynamic, rotary shaft (13-4), audible-visual annunciator (1-5), display screen (1-6), air air inlet and exhaust valve (4-3) and high pressure air inlet and exhaust valve (4-2) microcontroller (1-4) control；

Signal conditioning circuit (20) is by the phase-sensitive detection circuit (20-1), the high precision operating amplifier circuit (20- that are sequentially connected 2), voltage follower circuit (20-3) and analog to digital conversion circuit (20-4) composition；Wireless radio frequency circuit (1-7) and the belt conveying Machine remote console is communicated, and the mechanical arm (13) corresponds with auxiliary cylinder (8).

2. according to the mine conveyer belt broken-belt catching equipment described in claim 1, it is characterised in that：The explosion-resistant enclosure leads to The second fix bar (5) is crossed to be fixed on support (2).

3. according to the mine conveyer belt broken-belt catching equipment described in claim 1, it is characterised in that：It is described to press pressing device (13- 1) it is the cambered surface with the cooperation of auxiliary cylinder (8) extrados towards the one side of auxiliary cylinder (8).

4. according to the mine conveyer belt broken-belt catching equipment described in claim 1, it is characterised in that：The phase sensitive detection electricity Road (20-1) includes analog multiplier ADL5391, and high precision operating amplifier circuit (20-2) includes high precision operating amplifier OP07。