Bài giảng Kỹ thuật nâng & vận chuyển - Chương 1: Những vấn đề chung

KYÕ THUAÄT NAÂNG - VAÄN CHUYEÅN

CHÖÔNG I NHÖÕNG VAÁN ÑEÀ CHUNG

Chapter I

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1. PHAÂN LOAÏI

Maùy naâng vaän chuyeån

Maùy truïc

Maùy vaän chuyeån lieân tuïc

Ñôn giaûn

Phöùc taïp

Coù boä phaän keùo

Khoâng boä phaän keùo

Mayù vaän chuyeån thuyû khí

Baêng taûi

Thieát bò tröôït

Kích

Caàu truïc Coång truïc

Xích taûi

Vít chuyeån

Caàn truïc

Pa laêng ( tay , ñieän ) …..

Guoàng taûi …

Maùy laéc ….

Thang maùy ….

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THOÂNG SOÁ CÔ BAÛN

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1. PHAÂN LOAÏI (TT)

Screw jack

Hand-powered chain hoist

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1. PHAÂN LOAÏI (TT)

Screw jack

Hydraulic jack

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Electric chain hoist

Hand-powered chain hoist

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1. PHAÂN LOAÏI (TT)

Hoisting mechanism of a wire rope hoist

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1. PHAÂN LOAÏI (TT)

Electric hoists

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Electric overhead bridge crane

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1. PHAÂN LOAÏI (TT)

Hoist trolley of an overhead bridge crane

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1. PHAÂN LOAÏI (TT)

Double girder travelling cranes

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1. PHAÂN LOAÏI (TT)

Single girder travelling cranes

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1. PHAÂN LOAÏI (TT)

Gantry cranes (portal cranes)

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1. PHAÂN LOAÏI (TT)

Monorail crane

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Hydraulically-operated truck crane

Crawler crane

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1. PHAÂN LOAÏI (TT)

Superstacker

Mobile tower crane

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1. PHAÂN LOAÏI (TT)

Tower crane

Slewing jib pillar crane

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1. PHAÂN LOAÏI (TT)

850 Ton Bridge lifted into place by world's largest mobile crane

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1. PHAÂN LOAÏI (TT)

Mini crane

Travelling gantry crane

Tower crane ( Whirley type)

(Crane derrick )

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1. PHAÂN LOAÏI (TT)

Container craneship loading / unloading

Floating crane

(Double cantilever gantry crane)

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Elevators

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1. PHAÂN LOAÏI (TT)

Tautline cableway

Crane helicopter

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Belt conveyors

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Chain conveyors

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Bucket elevators

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1. PHAÂN LOAÏI (TT)

Escalators

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Roller conveyors

Spiral chute

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Screw conveyors

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Vibrating conveyors

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PHAÂN LOAÏI

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1. PHAÂN LOAÏI (TT)

Pneumatic Conveyors

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1. PHAÂN LOAÏI (TT)

Hydraulic Conveyors

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PHAÂN LOAÏI

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2. NHÖÕNG THOÂNG SOÁ CÔ BAÛN:

Q

 Troïng löôïng vaät naâng: Q = QV + Qm

B , L Mt H

 Taàm roäng, taàm vôùi:  Momen taûi:  Chieàu cao naâng:  Vaän toác caùc cô caáu:

Vn = 25 30 m/g Vx = 30 50 m/g Vc = 100 120 m/g Vq = 1 3,5 voøng/g Vtv = 3 5 m/g

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3. CHEÁ ÑOÄ LAØM VIEÄC:



Cöôøng ñoä laøm vieäc cuûa ñoäng cô (CD%).

 Heä soá söû duïng trong ngaøy (Kng).

Kng = Soá giôø laøm vieäc trong ngaøy / 24

 Heä soá söû duïng trong naêm.  Heä soá söû duïng taûi troïng.  Caùc cheá ñoä:

Tay. Maùy:

Nheï. Trung bình Naëng. Raát naëng.

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 ANY QUESTIONS ?

 ………..

 THANK YOU

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