MDQ series Door type Bucket Wheel Stacker Reclaimer
key word：Heat exchange element
Category:
Product description
MDQ110/1500*50
1. Biref
1.1. Composition
The door type roller stacker reclaimer is composed by tail car, crane traveling mechanism, drag chain system, anchoring and rail clamping device, movable beam lifting mechanism, counterweight mechanism, roller mechanism, on-board belt conveyor system, coal hopper, cab, electrical room, single beam crane, towing mechanism, ladder platform, safety device.
1.2. Performance.
1.2.1.Production capacity: Reclaiming capacity: 1100t / h; reclaiming power: 410kw
1.2.2.Stacking capacity 1500t / h, stacking power 360kw
1.2.3.Material characteristic particle size ≤ 300mm, total power 445kw
1.2.4.Material yard parameters: track gauge 50m, stacking height 10m, tail wheel pressure, stacking width 47m, stacking length 170m
1.2.5.Power supply mode sliding wire power supply working condition temperature ± 40 ℃ voltage 380V
1.2.6.Working air pressure < PA frequency 50Hz non working air pressure < pa
2. Tail car
2.1.The system belt conveyor is directly assembled into the tail car and the tail car with its own belt conveyor on the machine to form a turn back double tail car.
2.2.It is mainly composed of Ф 300 single wheel driven trolley group, Ф 600 single wheel driven trolley group, Ф 600 double wheel driven trolley group, metal structure (fixed frame, luffing frame, main beam, bottom beam, outrigger) tailcar belt conveyor, return press roll device, tail material guide device, etc.
3.Crane traveling system
3.1.It is mainly composed of driving platform frame, three in one vertical reducer, wheel set, intermediate shaft, gearbox, etc.
3.2.Three in one vertical reducer
3.2.1.It is composed of reducer, brake and motor, and connected to the intermediate gear shaft with shrink disk. It has the advantages of compact structure, small size and light weight.
3.2.2The traveling mechanism of bucket wheel crane adopts variable frequency speed regulation, which can realize variable speed travel
4.Anchoring and rail clamping device
4.1.In order to prevent the equipment from being blown away by the strong wind in the non working state, this machine is equipped with two groups of anchoring devices. In the non working state, it is necessary to insert the anchor plate into the anchor seat, lift the anchor plate in the working state, put it in place and touch the travel switch action. There is a light signal display in the cab, and the lifting and falling of the anchor plate are manually operated.
4.2.The machine is equipped with two rail clamping devices, which are respectively arranged on the side of rigid and flexible leg door leg to prevent the bucket wheel from sliding along the track in case of strong wind.
5. Towing system
5.1.The power supply cable, optical cable and control cable of the machine share one strap, and the whole strap component is placed on the guide rail. With the operation of the equipment, the cable and the bucket wheel machine move together to realize the power supply and control of the bucket wheel stacker reclaimer.
5.2.Composition of Towing system
Guide rail components
Follow up pulley parts
Front traction frame
Rear drag frame
Roller block components
Ronveyor belt
Cable guide block
Cable fixing clamp
Belt clamp
Fixed idler system
6.Movable beam lifting mechanism
6.1Mobile beam lifting adopts hydraulic double oil cylinder, which is placed on the side of rigid leg, and the two oil cylinders work simultaneously and synchronously. The hydraulic station is equipped with two oil supply pumps, and the lifting action is controlled by solenoid valve, reversing valve, etc. The hydraulic system is equipped with locking facilities. During the non working period of the oil cylinder, the expansion and contraction change of the oil cylinder per hour is not more than 5mm. It is equipped with automatic protection devices such as overpressure, oil plugging, automatic heating when the oil temperature is low, etc.
6.2The flexible leg side lifting of the movable beam adopts the steel wire rope balance system. The two steel ropes work independently of each other, and the rope head is fixed on the balance bar, so as to automatically adjust the length of the two steel ropes to make them bear the same force.
7.Counterweight mechanism
In order to reduce the lifting load of the lifting mechanism, reduce the capacity of the lifting motor, and improve the lifting stability, the machine is equipped with two sets of counterweight mechanisms, which are composed of single linked fixed pulley block, single linked pulley block and counterweight trolley.
8.Roller mechanism
8.1.The roller mechanism is the executive mechanism of the machine to complete the reclaiming operation, including two major parts of roller trolley travel and rotation. The traveling part is mainly composed of frame, wheel set, traveling three in one motor, coupling, horizontal guide wheel, etc.
8.2.Slewing part is mainly composed of roll ring, hopper, slewing drive motor, reducer, guide roller group, pin gear drive, arc baffle, pin gear limit device, etc.
8.3.The traveling mechanism meets the requirements of the roller's rotating reclaiming within the width of the stock yard, and its traveling and rotating loads ensure the uniform reclaiming.
9. On board belt system
9.1. Reclaiming belt conveyor
9.2. Stacker reclaimer
9.3. Mobile belt conveyor
9.4. Stacking belt conveyor
9.5. Tailcar belt conveyor
10. Coal hopper
• tailcar coal hopper
• tailcar stacker
Mobile coal scuttle of Liangzhong tribe
• tail transfer hopper
11. Drivers ' Room
The cab is installed on the same side of the tail car on the fixed beam. The cab is equipped with a console to control the whole machine action and a mechanism instrument display panel to complete the main functions. The cab is a fully enclosed structure with adjustable height seats, air conditioners, walkie talkies, fire extinguishers, etc.
The arrangement of operation equipment in the cab can make the operator operate conveniently, quickly and accurately, and the instrument is arranged in the place easy to see.
11.1. Left console
6kV high voltage on-board power indicator lighting power on / off indicator button
High voltage power on / off indicator key switch
Master switch for closing and opening indication of control power supply: wiper
Power supply closing and opening indication master controller 1: Cart forward, stop and backward
Rail clamp release and clamp button master controller 2: control of left travel, stop and right travel of mobile belt trolley
11.2. Right console
Emergency stop button
Transfer switch 1: stacking, stopping, reclaiming control
Change over switch 2: single action, linkage, semi-automatic selection
Start alarm, signal reset button
Master switch 1: high and low speed selection of crane
Master switch 2: system interlocking unlocking
Master controller 1: Mobile beam lifting
Master controller 2: left travel, stop and right travel of bucket wheel trolley
Potentiometer: adjust the traveling speed of bucket wheel trolley
Buzzer: fault alarm
12. PLC remote slave auxiliary control circuit
Programmable terminal: for equipment monitoring
Status screen: operation status of each mechanism in operation
Limit screen: action of protection limit of each mechanism during operation
Fault list: current fault alarm
Parameter setting: semi-automatic stacking parameter setting
Current indication: movable beam 37 bucket wheel 45 tail car 90 moving, stacking and reclaiming, reclaiming 22 stacking 37
Digital display: traveling distance of cart and bucket wheel trolley
Single action control: bucket wheel tail truck belt moving belt stacker reclaiming belt stacker reclaiming belt reclaiming belt watering system, oil heater
13. Single beam crane
This mechanism works under the fixed beam, its track is fixed on the fixed beam, the lifting capacity is 5T electric hoist, the model is: cd5-18d, it can move freely within the whole length of the fixed beam, which is convenient for the maintenance of the belt conveyor system and roller mechanism in the movable beam.
14. Cable Trolley mechanism and ladder platform
The cable trolley mechanism of this machine includes roller mechanism trolley and mobile belt conveyor trolley, which are all arranged on the mobile beam. The two trolley mechanisms are not driven by power, and are dragged by roller mechanism and mobile belt conveyor.The ladder platform shall be set for the working access of the commissioning and maintenance personnel of the ladder platform, and the ladder platform shall be set at all places requiring maintenance.
15. Safety device
Terminal limit: crane traveling mechanism, movable beam lifting mechanism, roller traveling mechanism and movable belt conveyor are respectively equipped with terminal limit or working limit.
Lifting limit: the lifting mechanism of the movable beam is equipped with high and low limit switches and rope release protection switches.
Wind alarm device: when the wind reaches 20 m / s, there is an audible and visual alarm signal in the cab.
Belt protection device: the belt conveyor in the movable beam of this machine is equipped with two-stage deviation switch, speed monitor and other protection devices. The tail car belt is equipped with two-stage deviation switch, speed monitoring and rope pulling switch and other protection devices.
Material detection device: a material level detection device is set under the moving belt conveyor to prevent the moving beam from colliding with the coal pile (never operated).
Balance wheel limit switch: installed on balance wheel support to limit deflection of movable beam.
16. Power Supply Room
The electrical room adopts closed structure and is installed on the fixed beam. The electrical room is equipped with all electrical cabinets required by the machine, air conditioner, four plus one telephone, power socket, fire extinguisher, etc
The machine is equipped with 6kV high-voltage power supply and cable towing. Voltmeters are set on the high-voltage electrical cabinet in the electrical room and the left operation console in the cab to monitor the power supply on the machine.
Low voltage room control cabinet
Low voltage electrical circuit
Auxiliary control circuit of PLC master station
Control circuit of sprinkler system of crane traveling rail clamping device
Mobile beam lifting bucket wheel trolley mobile belt trolley control circuit
Mobile belt stacker reclaiming belt reclaiming belt stacker belt bucket tail car belt control circuit
