Mechanical comprehensive display case includes: mechanical principle, mechanical parts, reducer teaching display case
Mechanical principle teaching display case (computer control, sound control synchronization, CD commentary)
Mechanical display case series "Principle of Machinery" teaching display case is an electric teaching equipment designed according to the mechanical principle teaching syllabus of colleges, technical secondary schools, technical schools, and vocational schools. This showcase is divided into ten cabinets and a computer console, and is equipped with a power amplifier, VCD machine and laser film, voice-controlled synchronous demonstration, using a separate drive to control the operation demonstration by a computer or electronic equipment, and can be automatically explained by the VCD control sequence. ; Can be selected remotely for separate presentation according to teaching materials and teaching needs. Imported organic board is used as the model material; silver-polyester stickers are attached to the board for necessary diagrams and text descriptions. The demonstration image is realistic, the operation is reliable, and the production process is beautiful. Modern laboratory equipment for the application of mechanical courses. ( Teaching Equipment | Teaching Instruments )
Display cabinet specifications: 1250 × 430 × 1780mm
"Principle of Machinery" teaches display cabinets, the contents of each cabinet are as follows:
Serial number and name
Machines and institutions
Foreword, internal combustion engine, steam engine, sewing machine, bull head planer, spherical high pair, spiral pair, moving pair, curved pair, spherical pair, cylindrical pair, rotating pair
Basic form of planar link mechanism
Four-bar hinge mechanism: 2 pieces of crank rocker mechanism, 2 pieces of double crank mechanism, 2 pieces of double rocker mechanism.
Single moving auxiliary mechanism: crank slider mechanism, crank rocker mechanism, rotating guide mechanism, moving guide mechanism
Double moving auxiliary mechanism: crank moving guide mechanism, double slider mechanism, double turning block mechanism
Plane link mechanism
Sketch of mechanism motion: 2 pieces of pump, 2 pieces of pump, jaw crusher and space.
Linkage mechanism: flying shears, presses, flip mechanisms, camera lifts, balances, cranes.
Form of cam mechanism
3 disc cams: roller, tip, plane, moving cam wheel, groove cam mechanism, cross groove cam mechanism, equal diameter cam mechanism, equal width cam mechanism, main return cam mechanism, spherical cam mechanism, conical cam mechanism, cylinder Cam mechanism.
Various types of gear transmission
Parallel shaft transmission: external meshing spur gear mechanism, internal meshing spur gear mechanism, spur gear rack mechanism, helical cylinder gear mechanism, herringbone gear mechanism
Intersecting wheel transmission: straight bevel gear mechanism, hyperbolic bevel gear mechanism, helical bevel gear mechanism
Phase shift axis transmission: helical gear mechanism, helical gear rack mechanism, cylindrical worm gear mechanism, curved surface worm gear mechanism.
Basic formation of gear train
Name of each part of involute gear, formation of Zhekai line, formation of cycloid, number of teeth, modulus, pressure solution, coefficient of tooth height.
Basic formation of gear train
Epicyclic gear train, differential gear train, planetary gear train, and fixed-shaft gear train are combined into one to obtain a large transmission ratio to achieve specific motion, motion synthesis, rotation line, transmission, decomposition of motion, and harmonic motion deceleration Gear, cycloid pinwheel planetary reducer, car differential.
Intermittent motion mechanism
2 toothed ratchet mechanism, friction ratchet mechanism, external meshing sheave mechanism, inner sheave mechanism, spherical sheave mechanism, involute incomplete gear mechanism, cycloid pinwheel incomplete gear mechanism (2 pieces), cam Type intermittent mechanism 2 pieces, stop link mechanism, stop guide mechanism
Series combination: Stroke expansion mechanism, reversing transmission mechanism
Parallel combination: gear link curve, 2 experimentally given trajectory mechanisms, experimental variable-speed motion mechanism, coaxial sheave mechanism, error correction mechanism, electric horse amusement machine device.
Space link mechanism
Space four village structure: RSSR space four-bar mechanism, RCCR coupling, single universal joint, double universal joint, 4R kneading mechanism, RRSRR angle transmission space five-bar mechanism, space six-bar mechanism Saler mechanism.
Mechanical parts teaching display case
The company produces mechanical display cases. In order to meet the needs of teaching, teaching aids products have gradually moved to modern development. Based on the original basis, a set of 820-type mechanical parts teaching display cases have been developed.
This set is divided into more than 400 kinds of parts models of 20 cabinets. The appearance is made of high-grade aluminum alloy cabinet, the surface of the board is made of fuchsia gold velvet, the model materials are colored plexiglass and hard polychloride, and the silver polyester polyester stickers are attached for necessary diagrams and document descriptions. The image is realistic, Beautiful production process. The use of this display cabinet can improve the teaching effect and save time. It is a teaching showroom equipment for ideal mechanical courses.
Showcase size: 1050 × 400 × 1780mm
Mechanical parts teaching showcase, the contents of each cabinet are as follows:
Serial number and name
Mechanical parts showcase content
Basic content of threaded connections
Thread type: ordinary thread, trapezoidal thread, rectangular thread, zigzag thread, arc pipe thread, cylindrical pipe thread, conical pipe thread, right-hand thread, left-hand thread, double-thread thread, three-thread thread.
Type of threaded connection: bolted connection, stud bolted connection, screw connection, fastening screw connection.
There are 11 bolts, 4 studs, 9 screws, 5 set screws, 12 nuts, and 7 washers.
Friction and anti-loosening: counter top nut, locking hot ring closing anti-loosening nut, slotted closing, with nylon ring anti-loosening nut, spring washer.
Mechanical anti-loosening: stop washer, stop washer and round nut, split pin and hexagon slotted nut, tandem wire.
Load-reducing device for transverse load interception: inclined washer, boss, countersink, load-reducing sleeve, load-reducing key, and load-reducing pin.
Measures to improve the strength of the connection: add elastic parts, internal oblique nuts, hollow bolts, waist rod bolts, large fillet bolts, countersunk nuts, thread assembly and disassembly.
Key, spline and pin couplings
Key connection: ordinary flat key, semi-circle key, wedge key, guide flat key, tangential key, saddle sliding key.
Spline connection: 3 rectangular splines, 2 involute splines. Triangle spline.
Pin connection: 3 cylindrical pins, 4 conical pins, 3 guide pins, 3 safety pins, positioning, coupling, safety.
Riveting, welding, gluing and interference joints
Riveting: common types of rivets, overlaps, single butt joints, double butt joints, combined joints
Welding: Bevel type, overlap, butt, fillet.
Bonding: board connection, pipe connection, corner connection.
Interference connection: cylindrical surface interference connection, conical surface interference connection.
Main types of belt drive
Materials and connectors for flat belts: leather belts, braided belts, rubber canvas flat belts, high-speed endless tapes, nylon sheet composite tapes, beveled joints, beveled stepped joints, joints for tapes, suture joints, leather thread joints
Structure and model of V-belt: O-type, A-type, B-type, C-type, D-type, E-type, wide V-belt, narrow V-belt, flexible V-belt, other transmission belt, combined V-belt, ordinary V-belt, double V-belt, V-ribbed belt, round belt, trapezoidal tooth timing belt.
Structure of pulley: solid wheel, spoke wheel, orifice wheel, elliptical spoke wheel, flat pulley, high-speed pulley, timing pulley.
V-belt transmission: automatic tensioning device, slide-type regular tensioning device, swing-frame regular tensioning device, tensioning wheel tensioning device.
Flat belt drive: timing belt drive with tensioner
Transmission chain: roller chain, inner link and sleeve, roller, outer link pin, inner link, outer link, single-pitch double-row roller chain, single-row single-pitch roller chain, spring Type, spring retaining ring, steel wire, split pin, transition link, integral sprocket with hook, integral plate type, hole plate type, toothed chain with inner guide, toothed chain with outer guide, round pin, Arrangement and tensioning of roller type, key column type, bearing type, square chain, flat top chain, round chain, chain drive.
Gear and worm drive
Gear structure: 2 gear shafts, 2 solid gears, 2 web gears, spoke gears.
Type of worm: Archimedes cylindrical worm, normal straight worm, linear toroidal worm.
Worm structure: integrated worm gear, wheel worm gear, bolted worm gear, cast worm gear, worm drive, gear drive.
Bearing bush and lining materials: bearing alloy, bronze, brass, gray cast iron, miniature bearings, rubber, nylon, tetrafluoro, phenol resin.
The structure of the oil tank has 5 pieces, and the form of the thrust bearing: solid, hollow, single ring, and multiple rings.
Structure of the sliding shaft: the whole is lined with a positive sliding bearing, a split positive sliding bearing, a split diagonal bearing,
Self-aligning sliding bearing, thrust bearing of fixed pad, self-aligning sliding bearing
Rod, hydrostatic bearing.
Inner ring, cage, outer ring, ball, short cylindrical roller, long cylindrical roller, threaded roller, tapered roller,
Drum rollers and needles.
Type and code: deep groove ball bearing, spherical ball bearing, spherical roller bearing, cylindrical roller bearing, needle roller
Bearings, spiral roller bearings, angular contact bearings, tapered roller bearings, thrust ball bearings, thrust roller bearings.
Dimension series: diameter series, inner ring fixed outer ring rotation, outer ring fixed inner ring rotation, rolling bearing installation method, rolling bearing disassembly process, inner diameter series 7 pieces, width series 4 pieces.
Rolling bearing combination design
Inner ring fixing method: spring retaining ring, shaft end pressure plate, round nut, tapered sleeve.
Method for fixing the outer ring: bearing end cover, elastic retaining ring for hole, end cover hole shoulder combination, and cup.
Combination design: 3 fixed ends, 2 fixed ends, 2 fixed ends and 2 fixed ends
Jacking and adjustment: adjustment of rolling bearings, jacking of rolling bearings.
Sealing: felt type, cup type, ring gap type, labyrinth type, thread type, bearing seat
Elastic sleeve pin coupling, elastic pin coupling, tire coupling, flange coupling, sleeve coupling, clamp coupling, gear coupling, chain coupling, cross Shaft universal coupling, slider coupling,
Shear pin safety coupling.
Teeth inlay bird rectangular, trapezoidal, regular triangular teeth, sawtooth clutch, single disc friction clutch,
Conical friction bird clutch, multi-disc friction clutch, dental safety bird clutch, centrifugal clutch, surpass
Types and applications of shafts
Rotary shaft, mandrel, transmission shaft, gear shaft, key shaft, worm shaft, crankshaft, cam shaft, soft shaft, shaft
Method for fixing parts on shaft
Key connection, spline connection, form connection, pin connection, interference connection, shaft shoulder-elastic retaining ring, shaft shoulder-round nut, shoulder-double round nut, shoulder-sleeve, shaft shoulder-elastic ring Year, conical shaft head-shaft end retaining ring, shaft end baffle, double lock retaining ring, slotted clamping connection, hub part clamping connection, elastic sleeve connection, elastic ring connection, elastic disk connection
Tension spring: round shackle, semi-circle shackle, eccentric round shackle, tapered closed end spring, adjustable tension spring.
Compression springs: end faces are tightened and ground springs, end faces are not tightened and ground springs, rectangular cross section compression springs,
Convex spring, concave spring, conical coil spring.
Torsion spring: outer arm torsion spring, inner arm torsion spring, center arm torsion spring, double torsion spring.
Other springs: disc springs, snake springs, flat spiral springs, leaf springs.
Parallel combination spring, in-line combination spring, conversion mechanism.
Lubrication and sealing
Lubrication device: press-fit type oil-filling cup, oil rope type cup, joint-type oil-filling oil cup, straight-through oil filling cup,
Seals: 2 O-shaped rubber seals, 2 rectangular rubber seals, nylon gasket, asbestos gasket, metal flat gasket, metal octagonal gasket, metal toothed gasket, cutout: insert overlap, piston ring ,
Cutout: oblique lap, double-port type oil seal, T type oil seal, Y type oil seal, V type oil seal.
8 pieces of lubricant, oil gun, butter gun.
Failure forms of mechanical parts
Gluing, fracture, corrosion, wear, pitting, residual deformation
Involute machining gear method
2 gears by copying, gears by hob, 2 teeth by shaper, insert by rack
Gears, planing gears, shaving gears, disc grinding wheels
Classification of machine parts
Horizontal machine frame, door machine frame, vertical machine frame, ring machine frame, truss machine frame, frame machine frame, frame machine frame, base plate, base frame, plate support plate Arrange 7 pieces, 2 reducer cases, transmission case.
Reducer teaching showcase
Reducer teaching display cabinet is a mechanical display cabinet designed according to the syllabus of colleges and vocational schools, vocational schools, and "reducer" electric teaching equipment. A total of 5 cabinets, 25 types of reducers and a console, using CD to explain remote control, voice-activated synchronization to demonstrate mechanical models, strengthen the theoretical study of mechanical students, use the scope to enhance understanding, deepen understanding, it is impossible for the mechanical major Missing ideal teaching aid equipment. This set of display cases are available in the first and second generations.
I. Main features:
1. Console configuration: 1 DVD player; 1 set of control hardware; 1 attacker, 1 console, 1 pair of speakers, 1 remote control, 1 laser disc (including 25 speed reducer voice instructions) )
2. Control software: Microcomputer DVD program control system, using DVD program control console to realize the whole cabinet sequential broadcasting action and single cabinet sequential broadcasting action,
Realize the trinity synchronous movement of sound, image, and model, and adopt a variety of playback schemes (such as forward, backward, stop, step, cycle, etc.); optional and sequential actions can also be realized.
3. Control mode: It can realize the functions of full cabinet remote control and manual sequence broadcasting, single model broadcasting action, or only action without broadcasting.
4. Control action process: Select a certain model and press the number keys on the remote control. After pressing OK, the reducer corresponding to the number on the showcase will start to operate. At the same time, the DVD player will start to explain the features and functions of the reducer. After the explanation is finished, wait for the next action.
Reducer display cabinet specifications: 1250 × 430 × 1780mm
Contents of reducer showcase:
Serial number and name
Type of gearbox
1. Helical gear reducer 2. Spur gear reducer 3. Herringbone gear reducer
Type of secondary gearbox
4, two-stage cylindrical spur gear reducer 5, two-stage cylindrical helical gear reducer 6, shunt reducer 7, center drive gear reducer 8, coaxial (vertical) reducer 9, coaxial (horizontal) Type) reducer
The third cabinet worm gear integrated reducer application
10. Shaft-mounted secondary gear reducer 11, vertical secondary gear reducer 12, double-stage worm reducer 13, cone-cylindrical gear reducer 14, gear-worm reducer 15, worm-gear reducer
Worm gear reducer
16, worm reducer (underside) 17, worm reducer (vertical cross type) 18, worm reducer 19, vertical shaft worm reducer 20, worm and worm reducer
21 、 Harmonic gear reducer 22