??天天电玩城??

Mechanical comprehensive display case (mechanical principle, mechanical parts, reducer)
"Reducer" Showcase
"Principle of Machinery" Showcase
"Mechanical Fundamentals" Showcase
"Motors and Transformers" Showcase
Metal Technology Showcase
"Building Construction" Showcase
"Chemical Technology" Showcase
"Mechanical Design Basics" Teaching Showroom
"Innovative Design of Machinery" Showcase
"Pump, Valve" Showcase
"Machine fixture design" teaching display case
"Tolerance fit" showcase
"Large Measuring Tools" Display Case
"Welding, riveting, technology" showcase
"Turning Technology" Showcase
"Fitterwork Technology" Showcase
"Mold" teaching display case

"Mechanical Drawing" Showcase
"Metal Cutting Tools" Showcase ||| "Metal Cutting" Showcases
"Mechanical Parts" Showcase
"Mechanical Parts Design" Showcase
Multimedia Intelligent Control "Mechanical Principles and Mechanical Design" Showcase
Multimedia Intelligent Control "Stamping Die Design and Manufacturing" Showcase
Multimedia Intelligent Control "Design and Manufacture of Plastic Mold" Showcase
Multimedia intelligent control "mechanical engineering drawing" display case
Mechanical engineering descriptive geometry multimedia design experimental device
"Stamping Die Design and Manufacturing" Multimedia Simulation Design Experimental Device
Training device for multimedia 3D surveying and mapping design model of mechanical drawing
Multimedia drawing three-dimensional surveying and mapping design training device for mechanical drawing
"Metal Technology" Multimedia Simulation Design Comprehensive Experimental Device
"Hydraulic Transmission" Multimedia Virtual Simulation Comprehensive Experimental Device
"Plastic Mold Design and Manufacturing" Multimedia Simulation Design Experimental Device
Combined experimental platform for innovative design analysis of mechanism movement
"Mechanical Principles" Multimedia Simulation Design Comprehensive Experimental Device
Advanced multimedia engineering drawing design laboratory equipment
"Mechanical Fundamentals" Multimedia Simulation Design Comprehensive Experimental Device


"Mechanical Design Basics" Teaching Showroom

Mechanical design basic teaching showcase (CD commentary voice-activated synchronization)

General textbooks for higher vocational colleges (second edition) edited by Chen Lide, complete with 1 main console and 13 cabinets


The "Mechanical Design Basics" teaching display cabinet of the mechanical display cabinet series is an electric teaching equipment designed according to the planning teaching materials of the Higher Vocational College of the Ministry of Education. The display cabinet is divided into 13 cabinets and a computer console, and is equipped with a power amplifier, VCD machine and laser film, voice-activated synchronous presentation, separate driving and electronic equipment to control the presentation, and can be automatically explained by the VCD control sequence; According to the teaching materials and teaching needs, it can be remotely selected for individual demonstration. Imported organic board and hard polychloride are used as the model materials; necessary graphics and text descriptions are attached to the surface of the board, the presentation image is realistic, the operation is reliable, and the production process is beautiful. Using this display cabinet can improve the teaching effect and save time. Experimental equipment used in the teaching of chemical machinery courses. ( Teaching Equipment | Teaching Instruments )
机械设计基础陈列柜

First cabinet The composition and characteristics of the machine
Single-cylinder internal combustion engine, jaw crusher, sewing machine, motion pair (rotating pair, moving pair, plane high pair)
Second cabinet Plane link mechanism
Five-bar hinge mechanism, crank slider mechanism, large screen mechanism, hinge mechanism, four-bar hinge mechanism, mixer, inertial screen mechanism, locomotive vehicle mechanism, crane crane, rotating guide mechanism (main motion mechanism of bull's head planer, small planer) Crank rocker mechanism, crank moving guide mechanism, double turning block mechanism, double slider mechanism, extreme angle of crank rocker mechanism, mechanism with quick return characteristic, clamping mechanism
Third cabinet Cam mechanism
Internal combustion engine gas distribution mechanism, mold turning mechanism, automatic feeding mechanism, indexing indexing mechanism, force-locking cam (by gravity, spring force), form-locking cam (groove cam, equal-width cam, yoke cam)
Fourth cabinet Intermittent motion mechanism
Ratchet mechanism, double-acting ratchet mechanism (hook-head double-acting pawl, straight double-acting pawl) two-way ratchet mechanism, sheave mechanism, internal meshing sheave mechanism, space sheave mechanism, sheave on hex lathe Mechanism, incomplete meshing gear mechanism, incomplete meshing gear mechanism, cam-type intermittent motion mechanism
Fifth Cabinet Belt drive
Flat belt drive (tensioner device), V belt drive (with periodic tension device, slideway type), V belt drive (with periodic tension device, swing frame type), V belt drive (automatic tensioning of the belt) 4 types of structure: round belt drive (tensioner device), timing belt drive, V-belt structure
Sixth cabinet Threaded connection and screw drive
Thread profile (triangle, rectangle, trapezoid, zigzag), thread direction (right, left), number of threads, pitch and lead, bolt connection, stud connection, screw connection, set screw Connection, commonly used standard threaded joints (hexagon head bolts, studs, screws, set screws, hexagon nuts, washers), common methods of preventing loosening (spring washers, counter nuts, nylon ring lock nuts, slot nuts and Split pin, finned washer for round nut, stop washer, punch point method to prevent loosening, adhesive to prevent loosening, permanent anti-loosening, tandem steel wire) load reducing device (with load reducing pin, load reducing) Sleeve, load-reducing key), Bolt bearing eccentric load, Application of boss and countersunk head, Application of beveled washer, Bolt group connection under lateral load, Improving load distribution between threads, Flex bolt, Nut loading elasticity Components, metal gaskets and seal ring seals, screw jacks, machine tool holder feed mechanisms, cannulated outer-circulation rolling screws
Seventh cabinet Threaded connection and screw drive
Chain drive, toothed chain, roller chain, double-row roller chain, roller link head type (A, B, C), sprocket structure (A, B, C), chain drive tension (A, B )
Eighth cabinet gear drive
External meshing spur gear transmission, internal meshing spur gear transmission, rack and pinion transmission, external meshing helical gear transmission, herringbone gear transmission, transmission of intersecting axis motion (straight bevel gear transmission, helical bevel gear transmission , Curved tooth gear transmission), transfer staggered axis motion (worm and worm gear)
Ninth cabinet Basic properties of gears
Names and symbols of various parts of gears, involute form, correct meshing conditions, cut gears by imitating method, cut gears by forming method, broken teeth, pitting of tooth surface, tooth surface wear, tooth surface bonding, involute Open line surface formation, pressure angle of helical rack, force analysis of helical spur gear, force analysis of bevel gear, gear shaft, solid gear, web-type cylindrical bevel gear, cast-spoke cylindrical gear
Tenth cabinet Gear train
Fixed shaft gear train (A, B), flat planetary gear train (A, B), space planetary gear train, gear train in planetary reducer, variable gear train, automobile rear axle differential, cycloid needle Wheel transmission mechanism, harmonic gear transmission, reducer
Eleventh cabinet Shaft and hub connection
Transmission shaft, straight shaft (optical shaft, stepped shaft, hollow shaft), crankshaft, flexible steel wire shaft, round nut positioning, elastic ring fixing, set screw fixing, pressure plate shaft end fixing device, flat key connection, guide flat key Joint, wedge key joint, semicircle key joint, spline joint
Twelfth Cabinet Bearing
Types of rolling elements, self-aligning ball bearings, spherical roller bearings, tapered roller bearings, thrust ball bearings, deep groove ball bearings, angular contact ball bearings, cylindrical roller bearings, bearing diameter series, inner ring axial fixing Common method, axial locking method of outer ring, full solid support, solid support, integral radial sliding bearing, partial radial sliding bearing, oil hole, oil groove
Thirteenth Cabinet Other common parts
Sleeve coupling, flange coupling, universal coupling, gear coupling, elastic sleeve pin coupling, elastic pin coupling, toothed clutch, friction clutch, toothed safety Clutches, roller-type overrunning clutches, compression springs with a circular cross-section, tensile springs with a circular cross-section, coil springs, leaf springs, torsion springs with a circular cross-section

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