Serial number and name | Display cabinet content |
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1st cabinet The composition and characteristics of the machine | Single cylinder internal combustion engine, jaw crusher, sewing machine, motion pair (5 pieces) |
2nd cabinet planar linkage mechanisms
| Five bar hinge mechanism, crank slider mechanism, hinge four bar mechanism, large screen mechanism, extreme position angle of crank rocker mechanism, mixer, inertia screen mechanism, locomotive and vehicle mechanism, crane type crane, rotating guide rod mechanism, crank rocker mechanism, crank moving guide rod mechanism, double rotating block mechanism, double sliding block mechanism, mechanism with quick return characteristics, clamping mechanism |
3rd cabinet Cam mechanism
| Internal combustion engine valve distribution mechanism, model turning mechanism, automatic feeding mechanism, indexing and indexing mechanism, cams w with different locking methods, cams b with different locking methods, cams c with different locking methods, cams e with different locking methods, cams f with different locking methods |
4th cabinet Intermittent motion mechanism | Rectangular tooth bidirectional ratchet mechanism, ratchet mechanism, hook head double action pawl, straight head double action pawl, groove wheel mechanism, spatial groove wheel mechanism, groove wheel mechanism on hexagonal lathe, external meshing incomplete gear mechanism, internal meshing incomplete gear mechanism, cam type intermittent motion mechanism |
Cabinet 5 Belt drive
| Synchronous belt, tensioning wheel device a, tensioning wheel device b, periodic tensioning device of belt (slide type), periodic tensioning device of belt (swing type), automatic tensioning device of belt, structure of V-belt wheel (4 pieces) |
Cabinet 6 Chain drive
| Chain drive, toothed chain, double row roller chain, roller chain, roller link head type (3 pieces), sprocket structure, chain drive tension (2 pieces) |
7th cabinet Transmission of gears
| Inner ring gear transmission, gear rack and pinion transmission, bevel gear transmission, hyperbolic bevel gear transmission, helical bevel gear transmission, helical gear transmission, helical gear rack and pinion transmission, worm gear and worm gear transmission, curved surface worm gear and worm gear transmission, spur gear transmission, helical gear transmission, herringbone gear transmission |
8th cabinet Basic properties of gears | Names of gear parts (3 pieces), pressure angle of helical rack, formation of involute, tooth breakage a and b, tooth surface pitting, tooth surface adhesion, tooth surface wear, formation of involute surface (2 pieces), force analysis of helical cylindrical gear, force analysis of bevel gear, gear shaft (2 pieces), web type bevel gear, cast spoke type cylindrical gear, profile cutting gear, and gear cutting by generating method |
9th cabinet Gear system | Fixed axis gear system (2 pieces), planar planetary gear system a and b, spatial planetary gear system, variable direction gear system, rear axle differential of automobiles, cycloidal pinwheel transmission mechanism, harmonic gear transmission, reducer, gear system in planetary reducer |
10th cabinet Other commonly used parts and components | Sleeve coupling, flange coupling, multi plate friction clutch, gear coupling, elastic sleeve pin coupling, elastic pin coupling, double universal coupling, tooth embedded safety clutch, roller overrunning clutch, plate spring |
11th cabinet Screw connections and screw drives | Thread profile (triangular, rectangular, trapezoidal, serrated), thread direction (left or right rotation), number of threads, pitch and lead (one-way right rotation, double line left rotation), bolt connection, double head bolt connection, screw connection, set screw connection (a, b), spring washer, nylon ring locking nut for inclined nut, slotted nut and split pin, winged washer for round nut, flexible bolt (2 pieces), stop washer, punch point method anti loosening Adhesive anti loosening, permanent anti loosening, series connection of steel wires, use of load reduction pins, use of load reduction sleeves, use of load reduction keys, bolts bearing eccentric loads (a, b, c), application of convex countersunk seats (a, b), application of inclined washers, connection of bolt groups subjected to lateral loads, improvement of load distribution between threads (a), installation of elastic elements under nuts, metal gaskets and sealing ring seals (a, b), screw jacks, feed mechanisms of machine tool holders Insertion type external circulation rolling spiral |
The 12th cabinet Connection between shaft and hub
| Transmission shaft, optical shaft, stepped shaft, hollow shaft, crankshaft, circular nut positioning, elastic retaining ring fixation, firm screw fixation, pressure plate shaft end fixing device, flat key connection, guide flat key connection, sliding key connection, wedge key connection, tangential key connection, semicircular key connection, spline connection (3 pieces), common methods for axial fixation of inner ring (4 pieces), outer ring axial locking method (8 pieces), fully fixed support, fixed travel support, integral radial sliding bearing Split type sliding bearings, oil holes, oil grooves (3 pieces), disassembly of bearing inner rings, cold pressing method for installing bearings, types of rolling elements (6 pieces), integral gears (2 pieces) |
13th cabinet bearing
| Types of rolling elements, self-aligning ball bearings, self-aligning roller bearings, tapered roller bearings, thrust ball bearings, deep groove ball bearings, angular contact ball bearings, cylindrical roller bearings, diameter series of bearings, 4 commonly used methods for axial fixation of inner rings, 8 methods for axial locking of outer rings, fully fixed supports, fixed supports, integral radial sliding bearings, partial radial sliding bearings, oil holes, and oil grooves. |