CN109399257A - A kind of method of pendulum-type distributing belt machine uniform distribution - Google Patents

A kind of method of pendulum-type distributing belt machine uniform distribution Download PDF

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Publication number
CN109399257A
CN109399257A CN201811264218.2A CN201811264218A CN109399257A CN 109399257 A CN109399257 A CN 109399257A CN 201811264218 A CN201811264218 A CN 201811264218A CN 109399257 A CN109399257 A CN 109399257A
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sections
crank
arc length
rotation
velocity
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CN109399257B (en
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叶健
郑强
马振军
牛福成
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SD Steel Rizhao Co Ltd
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SD Steel Rizhao Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/04Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Conveyors (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

A kind of method of pendulum-type distributing belt machine uniform distribution when including the following steps: that 1) crank is turned in AB sections of circular arcs, controls velocity of rotation=ω × (AB sections of arc length) ÷ (π × R ÷ 2) (rad/s) of crank;2) when crank is turned in BC sections of circular arcs, velocity of rotation=ω × (BC sections of arc length) ÷ (π × R ÷ 2) (rad/s) of crank is controlled;3) when crank is turned in CD sections of circular arcs, velocity of rotation=ω × (CD sections of arc length) ÷ (π × R ÷ 2) (rad/s) of crank is controlled;4) when crank is turned in DA sections of circular arcs, velocity of rotation=ω × (DA sections of arc length) ÷ (π × R ÷ 2) (rad/s) of crank is controlled.A kind of method of pendulum-type distributing belt machine uniform distribution of the invention improves the cloth evenness of equipment using the method for increasing subangle control crank velocity of rotation, simple and reliable, works well, investment cost is low, is convenient for large-scale popularization.

Description

A kind of method of pendulum-type distributing belt machine uniform distribution
Technical field
The invention belongs to sinters and pellet production field, and in particular to a kind of pendulum-type distributing belt machine uniform distribution Method.
Background technique
In ferrous metals industry, the iron ore agglomeration method of mainstream mainly has a sintering process and pelletizing method, and sintering machine, chain Comb machine-rotary kiln and belt type roasting machine are the modern most common technological equipments produced for sinter and pellet, and pendulum-type Distributing belt machine is the equipment most generallyd use in sintering machine, grate kiln and belt type roasting machine three productions line, is passed through Oscillating motor speed reducer drives crank and rocker mechanism reciprocally swinging, so that material (sinter mixture, pelletizing mixture) is uniform It is distributed to sintering and belt type roasting machine trolley or chain grate machine upper surface, meets the production requirement of next procedure to greatest extent Condition.
Pendulum-type distributing belt machine is analyzed as follows, pendulum-type distributing belt owner will be by swing mechanism and belt feeder two It is grouped as, swing mechanism belongs to typical " crank and rocker mechanism " in mechanics.When crank is with even rotational speed, pass through Connecting rod drives rocking bar to be swung, and the movement of rocking bar is non-uniform movement, and this kinetic property is referred to as " anxious to return in mechanics Movement ", and belt feeder and rocking bar be it is integrated, i.e. the swing of belt feeder is non-uniform movement, when belt feeder is transported with even conveying capacity When defeated material, due to the kinetic characteristic of belt feeder pendulum motion, cause belt in equipment two sides residence time length difference, tool Body shows as the Latitudinal section that material (refers mainly to: sintering and belt type roasting machine trolley or chain grate machine upper surface) in equipment The low state in the high side in side is presented.
The useful space for unevenly causing equipment upper surface side of cloth is not utilized effectively, directly affects equipment Production efficiency.
Therefore, it is necessary to which a kind of method for inventing rationally control pendulum-type distributing belt machine pendulum motion, improves its oscillating machine The existing issue of structure, it is ensured that material is uniformly distributed in equipment, improves the production efficiency of equipment.
Summary of the invention
The purpose of the present invention is to provide a kind of methods of pendulum-type distributing belt machine uniform distribution, without changing pendulum-type cloth The plant machinery mechanism of belt feeder, the cloth for improving equipment using the method for increasing subangle control crank velocity of rotation are uniform Property, it is simple and reliable, it works well, investment cost is low, is convenient for large-scale popularization.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of method of pendulum-type distributing belt machine uniform distribution, including it is assumed hereinafter that:
1) the average rotation speed for assuming crank is ω (rad/s), and the length of crank is R (mm), and rotation direction is to show It anticipates counter clockwise direction shown in Fig. 2;
2) when crank is in " A " point, swing mechanism is in limit on the right-right-hand limit position;
3) when crank is in " B " and " D " point, it is in an intermediate position to swing head;
4) when crank is in " C " point, swing mechanism is in limit on the left position;
5) it is uniformly constant to swing distributing belt machine conveying mass flow.
Include the following steps:
1) when crank turns in AB sections of circular arcs, velocity of rotation=ω × (AB sections of arc length) (π × 2 ÷ of crank are controlled × R ÷ 4)=ω × (AB sections of arc length) ÷ (π × R ÷ 2) (rad/s), the time used=(AB sections of arc length) ÷ (ω × (AB sections of arcs It is long) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
2) when crank turns in BC sections of circular arcs, velocity of rotation=ω × (BC sections of arc length) (π × 2 ÷ of crank are controlled × R ÷ 4)=ω × (BC sections of arc length) ÷ (π × R ÷ 2) (rad/s), the time used=(BC sections of arc length) ÷ (ω × (BC sections of arcs It is long) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
3) when crank turns in CD sections of circular arcs, velocity of rotation=ω × (CD sections of arc length) (π × 2 ÷ of crank are controlled × R ÷ 4)=ω × (CD sections of arc length) ÷ (π × R ÷ 2) (rad/s), the time used=(CD sections of arc length) ÷ (ω × (CD sections of arcs It is long) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
4) when crank turns in DA sections of circular arcs, velocity of rotation=ω × (DA sections of arc length) (π × 2 ÷ of crank are controlled × R ÷ 4)=ω × (DA sections of arc length) ÷ (π × R ÷ 2) (rad/s), the time used=(DA sections of arc length) ÷ (ω × (DA sections of arcs It is long) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷.
The invention has the following advantages: a kind of method of pendulum-type distributing belt machine uniform distribution of the invention, is not necessarily to The plant machinery mechanism for changing pendulum-type distributing belt machine improves equipment using the method for increasing subangle control crank velocity of rotation Cloth evenness, it is simple and reliable, work well, investment cost is low, be convenient for large-scale popularization.
Detailed description of the invention
Fig. 1 is control flow chart of the invention;
Fig. 2 is pendulum-type distributing belt machine top view;Wherein: 1, conveyer belt, 2, belt feeder driven roller, 3, belt feeder branch Frame, 4, belt feeder swinging mounting track, 5, crank (oscillatory gearing mechanism containing belt feeder), 6, connecting rod, 7, belt feeder pivoting support, 8, belt feeder rotational drive motor, 9, belt feeder rotation speed reducer, 10, shaft coupling, 11, belt feeder drive roll;
The velocity of rotation of crank is " ω " in figure, and rotation direction is as shown by arrows;
The movement velocity of belt feeder transportation rubber belt is " v " in figure, and the direction of motion is as shown;
The amplitude of fluctuation of belt feeder is " θ " in figure;
Fig. 3 is 1 schematic diagram of limit on the right-right-hand limit position that pendulum-type distributing belt machine is swung;
Fig. 4 is 1 schematic diagram of middle position that pendulum-type distributing belt machine is swung;
Fig. 5 is 2 schematic diagram of limit on the left position that pendulum-type distributing belt machine is swung;
Fig. 6 is 2 schematic diagram of middle position that pendulum-type distributing belt machine is swung;
Fig. 7 is the crank angle when rocking bar is respectively at limit on the right-right-hand limit, centre 1, limit on the left, intermediate 2 four kinds of positions the case where Spend schematic diagram.
Specific embodiment
As shown in figs. 1-7, a kind of method of pendulum-type distributing belt machine uniform distribution, including it is assumed hereinafter that:
1) the average rotation speed for assuming crank is ω (rad/s), and the length of crank is R (mm), and rotation direction is to show It anticipates counter clockwise direction shown in Fig. 2;
2) when crank is in " A " point, swing mechanism is in limit on the right-right-hand limit position;
3) when crank is in " B " and " D " point, it is in an intermediate position to swing head;
4) when crank is in " C " point, swing mechanism is in limit on the left position;
5) it is uniformly constant to swing distributing belt machine conveying mass flow.
Include the following steps:
1) when crank turns in AB sections of circular arcs, velocity of rotation=ω × (AB sections of arc length) (π × 2 ÷ of crank are controlled × R ÷ 4)=ω × (AB sections of arc length) ÷ (π × R ÷ 2) (rad/s), the time used=(AB sections of arc length) ÷ (ω × (AB sections of arcs It is long) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
2) when crank turns in BC sections of circular arcs, velocity of rotation=ω × (BC sections of arc length) (π × 2 ÷ of crank are controlled × R ÷ 4)=ω × (BC sections of arc length) ÷ (π × R ÷ 2) (rad/s), the time used=(BC sections of arc length) ÷ (ω × (BC sections of arcs It is long) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
3) when crank turns in CD sections of circular arcs, velocity of rotation=ω × (CD sections of arc length) (π × 2 ÷ of crank are controlled × R ÷ 4)=ω × (CD sections of arc length) ÷ (π × R ÷ 2) (rad/s), the time used=(CD sections of arc length) ÷ (ω × (CD sections of arcs It is long) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
4) when crank turns in DA sections of circular arcs, velocity of rotation=ω × (DA sections of arc length) (π × 2 ÷ of crank are controlled × R ÷ 4)=ω × (DA sections of arc length) ÷ (π × R ÷ 2) (rad/s), the time used=(DA sections of arc length) ÷ (ω × (DA sections of arcs It is long) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷.
By the velocity of rotation for controlling crank, it is ensured that swing mechanism moves to middle position from limit on the right-right-hand limit position, then in Between position move to limit on the left position, middle position is then moved to by limit on the left position, the right side is finally moved to by middle position Four run duration section used times of extreme position are identical.
Therefore the left and right sides residence time of pendulum-type distributing belt machine pendulum motion process is identical, and swings distributing belt Machine conveying mass flow is basically unchanged (according to production needs), so (referring mainly to: sintering and belt type roasting machine trolley in equipment Or chain grate machine upper surface) cloth high uniformity, it solves the problems, such as that cloth is non-uniform, improves the production efficiency of equipment.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Certain Grate-kiln Oxidized Pellet production line is passed through pelletizing mixture sequence using pendulum-type distributing belt machine Big ball roll screen (screening out partial size large granule material), wide belt, bead roll screen (screening out partial size extra granular material) cloth are combed in chain In machine grate.Pendulum-type distributing belt machine swinging structure carries out speed regulating control using variable-frequency motor, and motor output shaft has speed measuring device, The running speed of motor is set on computers by controllers, through the speed regulating controls such as frequency converter, PLC component by motor Revolving speed be quickly adjusted to setting speed.
It is shown by the level-sensing device that chain grate machine top is arranged, grate upper surface material is presented that the high side in side is low asks Topic, specific data are as follows:
Position East Centre 1 Centre 2 West
Bed depth mm 130 120 120 110
Through analysis problem above mainly as pendulum-type distributing belt machine cloth it is uneven caused by.
Take the steps of processing above problem:
(1) by swing mechanism rotational speed regulation to minimum, sequentially determining following problems.
(2) measurement swing belt conveyor swings operating to right limit, the position A of crank rotation.
(3) measurement swing belt conveyor swings operating middle position, the position B of crank rotation.
(4) measurement swing belt conveyor swings operating to left limit, the position C of crank rotation.
(5) measurement swing belt conveyor swings operating to right limit, the position D of crank rotation.
(6) magnetic element is installed on crank.
(7) inductor is installed near tetra- positions A, B, C, D, when crank turns to the above position, respectively export A, B, tetra- position signals of C, D.
(8) the crank motor speed of pendulum-type distributing belt machine is set as w, sequence turns over A, B, C, D when crank normal rotation Four positions.
(9) when system receives a-signal, show that crank is in AB sections of arc positions, system automatically controls crank motor Output revolving speed=w × (AB sections of arc length) ÷ (π × R ÷ 2) (r/min)
(10) when system receives B signal, show that crank is in BC sections of arc positions, system automatically controls crank motor Output revolving speed=w × (BC sections of arc length) ÷ (π × R ÷ 2) (r/min)
(11) when system receives C signal, show that crank is in CD sections of arc positions, system automatically controls crank motor Output revolving speed=w × (CD sections of arc length) ÷ (π × R ÷ 2) (r/min)
(12) when system receives D signal, show that crank is in DA sections of arc positions, system automatically controls crank motor Output revolving speed=w × (DA sections of arc length) ÷ (π × R ÷ 2) (r/min)
By above method, solve the problems, such as that the high side in pendulum-type distributing belt machine cloth side is low, the material position after improvement Meter display data are as follows:
Position East Centre 1 Centre 2 West
Bed depth mm 129 128 127 130
The space of chain grate machine efficiently used, improving productivity 7.8%, achieves good economic effect Benefit.

Claims (1)

1. a kind of method of pendulum-type distributing belt machine uniform distribution, which is characterized in that including it is assumed hereinafter that:
1) the average rotation speed for assuming crank is ω (rad/s), and the length of crank is R (mm), and rotation direction is schematic diagram (2) shown in counterclockwise;
2) when crank is in " A " point, swing mechanism is in limit on the right-right-hand limit position;
3) when crank is in " B " and " D " point, it is in an intermediate position to swing head;
4) when crank is in " C " point, swing mechanism is in limit on the left position;
5) it is uniformly constant to swing distributing belt machine conveying mass flow.
Include the following steps:
1) when crank turns in AB sections of circular arcs, velocity of rotation=ω × (π × 2 × R ÷ (AB sections of arc length) ÷ of crank are controlled 4)=ω × (AB sections of arc length) ÷ (π × R ÷ 2) (rad/s), time used=(AB sections of arc length) ÷ (ω × (AB sections of arc length) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
2) when crank turns in BC sections of circular arcs, velocity of rotation=ω × (π × 2 × R ÷ (BC sections of arc length) ÷ of crank are controlled 4)=ω × (BC sections of arc length) ÷ (π × R ÷ 2) (rad/s), time used=(BC sections of arc length) ÷ (ω × (BC sections of arc length) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
3) when crank turns in CD sections of circular arcs, velocity of rotation=ω × (π × 2 × R ÷ (CD sections of arc length) ÷ of crank are controlled 4)=ω × (CD sections of arc length) ÷ (π × R ÷ 2) (rad/s), time used=(CD sections of arc length) ÷ (ω × (CD sections of arc length) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷;
4) when crank turns in DA sections of circular arcs, velocity of rotation=ω × (π × 2 × R ÷ (DA sections of arc length) ÷ of crank are controlled 4)=ω × (DA sections of arc length) ÷ (π × R ÷ 2) (rad/s), time used=(DA sections of arc length) ÷ (ω × (DA sections of arc length) ÷ (π × R ÷ 2))=2 ÷ ω (s) of π × R ÷.
CN201811264218.2A 2018-10-29 2018-10-29 Method for uniform distribution of pendulum type distribution belt conveyor Active CN109399257B (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN109665283A (en) * 2019-03-05 2019-04-23 中冶北方(大连)工程技术有限公司 A kind of detection device and method swinging sealing-tape machine position
CN110173975A (en) * 2019-06-28 2019-08-27 攀钢集团钒钛资源股份有限公司 Vanadium slag pellet dries distribution device
CN111056754A (en) * 2020-01-03 2020-04-24 中冶长天国际工程有限责任公司 Oscillating-head belt type rotary material distribution system and method for lime shaft kiln
CN113203294A (en) * 2021-03-29 2021-08-03 马鞍山钢铁股份有限公司 Chain grate machine balanced material distribution control method
CN113800190A (en) * 2020-12-25 2021-12-17 宁夏兰湖新型材料科技有限公司 Metallurgical raw material batching device
CN114988049A (en) * 2022-07-04 2022-09-02 山东钢铁集团永锋临港有限公司 Material stabilizing control method for oscillating type material distribution belt conveyor of pellet production line

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CN203372772U (en) * 2013-06-06 2014-01-01 北京艾瑞机械厂 Sintering and palletizing swing type distribution belt conveyor
CN103508221A (en) * 2013-09-25 2014-01-15 马钢(集团)控股有限公司 Swing-type belt distributing device and method for determining sizes of gears of elliptical gear case of swing-type belt distributing device
CN203550597U (en) * 2013-11-25 2014-04-16 中冶北方(大连)工程技术有限公司 Swing-angle adjustable swing belt
CN106086395A (en) * 2016-08-25 2016-11-09 中冶北方(大连)工程技术有限公司 A kind of pelletizing cloth intelligence control system and method

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CN202226890U (en) * 2011-08-11 2012-05-23 珠海裕嘉矿产品有限公司 Variable frequency speed regulation swing type material distribution machine
CN103057926A (en) * 2013-01-12 2013-04-24 孟钧 Swing belt conveyor
CN203372772U (en) * 2013-06-06 2014-01-01 北京艾瑞机械厂 Sintering and palletizing swing type distribution belt conveyor
CN103508221A (en) * 2013-09-25 2014-01-15 马钢(集团)控股有限公司 Swing-type belt distributing device and method for determining sizes of gears of elliptical gear case of swing-type belt distributing device
CN203550597U (en) * 2013-11-25 2014-04-16 中冶北方(大连)工程技术有限公司 Swing-angle adjustable swing belt
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Cited By (11)

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Publication number Priority date Publication date Assignee Title
CN109665283A (en) * 2019-03-05 2019-04-23 中冶北方(大连)工程技术有限公司 A kind of detection device and method swinging sealing-tape machine position
CN109665283B (en) * 2019-03-05 2023-08-15 中冶北方(大连)工程技术有限公司 Device and method for detecting position of swinging tape machine
CN110173975A (en) * 2019-06-28 2019-08-27 攀钢集团钒钛资源股份有限公司 Vanadium slag pellet dries distribution device
CN110173975B (en) * 2019-06-28 2024-03-29 攀钢集团钒钛资源股份有限公司 Vanadium slag ball stoving distributing device
CN111056754A (en) * 2020-01-03 2020-04-24 中冶长天国际工程有限责任公司 Oscillating-head belt type rotary material distribution system and method for lime shaft kiln
CN111056754B (en) * 2020-01-03 2023-09-29 中冶长天国际工程有限责任公司 Belt type rotary material distribution system and material distribution method for swinging head of lime shaft kiln
CN113800190A (en) * 2020-12-25 2021-12-17 宁夏兰湖新型材料科技有限公司 Metallurgical raw material batching device
CN113203294A (en) * 2021-03-29 2021-08-03 马鞍山钢铁股份有限公司 Chain grate machine balanced material distribution control method
CN113203294B (en) * 2021-03-29 2023-03-03 马鞍山钢铁股份有限公司 Chain grate balanced material distribution control method
CN114988049A (en) * 2022-07-04 2022-09-02 山东钢铁集团永锋临港有限公司 Material stabilizing control method for oscillating type material distribution belt conveyor of pellet production line
CN114988049B (en) * 2022-07-04 2023-06-23 山东钢铁集团永锋临港有限公司 Material stabilizing control method for swing type material distribution belt conveyor of pellet production line

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