HR-J01 Mechanical Design Display Cabinet

Overview:

Fundamentals of Mechanical Design" demonstration display cabinet is an electrochemical teaching equipment designed according to the planning materials of higher vocational colleges and universities. Demonstration of realistic image, reliable operation, the production process is beautiful, the use of this display case can improve the teaching effect, is a set of modern mechanical courses teaching laboratory equipment.

Technical specification

1, with multi-function voice playback control system. Synchronized voice narration demonstration, using a separate drive by the computer or electronic equipment to control the operation of the demonstration. Control using LCD touch-screen control and remote control automatically run to explain, can cycle and repeat the playback run, but also according to the teaching materials, teaching needs and arbitrarily choose or separate demonstration. Explanation played in 100 square room sound loud and clear.

2, the cabinet is made of SPCC cold plate welding, the surface is made of medium temperature phosphating plastic spraying, cabinet rigidity is good. Cabinet display panel for the ultra-luxury aluminum-plastic sandwich panel, good load-bearing. Board surface with the necessary charts and text instructions, beautiful appearance, durable.

3, the top of the cabinet is equipped with lighting fluorescent lamps, the back of the cabinet is equipped with open doors, which is favorable for the maintenance of equipment and convenient maintenance. The lower part of the cabinet is equipped with a cabinet box, convenient for storing a single model, experimental boxes and related experimental documents. The bottom of the cabinet is equipped with universal wheels, easy to move, in line with ergonomic requirements.

4, the model material is made of acrylic organic board and engineering plastics;

Basis of Mechanical Design" demonstration teaching display cabinets, the contents of each cabinet are as follows:

Cabinet 1: the composition and characteristics of the machine

Single-cylinder internal combustion engine, jaw crusher, sewing machine, the movement of the vice (rolling body, meshing in a pair of tooth profile, slider and guide groove, rotating vice, moving vice)

Cabinet 2: Planar linkage mechanism

Five-pole hinge mechanism, crank-slider mechanism, hinged four-pole mechanism, large sieve mechanism, crank-rocker mechanism with poles clamped at an angle, mixer, inertia sieve mechanism, rolling stock mechanism, crane crane, rotating guide-rod mechanism, crank-rocker mechanism, crank-moving guide-rod mechanism, double-rotating-block mechanism, double-slider mechanism, mechanism with sharp return characteristics, clamping mechanism

Cabinet 3: Cam mechanism

Internal combustion engine gas distribution mechanism, die turning mechanism, automatic feeding mechanism, indexing and indexing mechanism, cams with different locking methods (gravity locking), cams with different locking methods (pulley-type spring force locking), cams with different locking methods (pendulum-type spring force locking), cams with different locking methods (equal-width cam mechanism), cams with different locking methods (slot cam mechanism)

Cabinet 4: Intermittent motion mechanisms

Rectangular toothed bi-directional ratchet mechanism, ratchet mechanism, hooked head double-acting pawl, straight head double-acting pawl, groove wheel mechanism, space groove wheel mechanism, groove wheel mechanism on a hexagonal lathe, external mesh incomplete gear mechanism, internal mesh incomplete gear mechanism, cam-type intermittent motion mechanism

Cabinet 5: Belt drive

Synchronous belts, tensioning pulley mechanism (round belt drive), tensioning pulley mechanism (flat belt drive), periodic tensioning device for belts (slideway type), periodic tensioning device for belts (pendulum frame type), automatic tensioning device for belts, construction of V-belt pulleys (solid pulleys, web pulleys, perforated pulleys, elliptical spoke pulleys)

Cabinet 6: Chain drives

Chain drives, toothed chains, double row roller chains, roller chains, roller link head types (cotter pin retaining pin, spring clip retaining pin, transition links), structure of sprocket wheels (solid, orifice plate, welded, bolted), tensioning of chain drives (horizontally arranged type, type with an angle of less than 45°) 

Cabinet 7: Gear Transmission

Internal gear ring drive, rack and pinion drive, bevel gear drive, hyperbolic bevel gear drive, helical bevel gear drive, helical rack and pinion drive, worm gear drive, curved face worm gear drive, spur gear drive, helical gear drive, herringbone gear drive

Cabinet 8: Basic properties of gears

Names of parts of gears (external gears, internal gears, racks), Pressure angle of helical racks, Involute formation, Tooth fracture (fatigue fracture, fatigue cracks), Tooth pitting, tooth gluing, tooth wear, Involute surface formation (Spur gears, helical gears), Force analysis of helical cylindrical gears, Force analysis of bevel gears, Gear shafts (cylindrical gear shafts, bevel gear shafts), Webbed type bevel gears, Casting of spoke-type cylindrical gears, profiled cut gears, spreading method of cut gears

Cabinet 9: Gear trains

Fixed-axis gear trains (planar fixed-axis gear trains, spatial fixed-axis gear trains), planar planetary gear trains, spatial planetary gear trains, variable-direction gear trains, automobile rear-axle differentials, cycloid gear trains, harmonic gear trains, gearboxes, gear trains in planetary gearboxes

Cabinet 10: Other common parts and components

Sleeve couplings, flange couplings, multi-plate friction clutches, gear couplings, elastic sleeve pin couplings, elastic pin couplings, double universal couplings, tooth-inlaid safety clutches, roller overrunning clutches, plate springs

Cabinet 11: Threaded couplings and screw drives

Thread type (triangular, rectangular, trapezoidal, serrated), thread direction (left-handed, right-handed), thread number, pitch and lead (one-way right-handed, two-way left-handed), bolt coupling, double-ended bolt coupling, screw coupling, set screw coupling (flat-end, tapered-end), spring washers, tilting nuts

Nylon ring lock nuts, slotted nuts and cotter pins, round nuts with winged spacers, flexible bolts (hollow rod bolts, girdle rod bolts), stop spacers, punching point method of anti-loosening, adhesive method of anti-loosening, permanently anti-loosening, tandem coupling wires, with a load-reducing pin, with a load-reducing sleeve, with a load-reducing key, bolts subjected to eccentric loads (under the nut with a bump, the head of the bolt is not flat, hook bolts), the application of cam countersunk head seat (cams, countersunk seat), application of beveled washers, bolt group couplings subjected to transverse loads, improvement of load distribution between threaded teeth, installation of elastic elements under the nut, sealing with metal gaskets and sealing rings (flat gaskets, sealing rings), screw jacks, machine tool holder feed mechanism, cannulated external rolling screws

Cabinet 12: Shaft and hub couplings

Drive shafts, bare shafts, stepped shafts, hollow shafts, crankshafts, round nuts for positioning, elastic retaining rings for fixing, firm screw fixing, clamping plate end fixtures, flat keyed couplings, guided flat keyed couplings, sliding keyed couplings, wedge keyed couplings, tangential keyed couplings, semi-circular keyed couplings, splined couplings (rectangular splines, triangular splines, involute splines)

Cabinet 13: Bearings

Types of rolling bodies (ball, short cylindrical roller, long cylindrical roller, drum roller, tapered roller, needle roller), 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, the inner ring of the axial fixing of the commonly used methods (shaft elasticity of the retaining ring, the shaft end of the retaining plate, round nut, open taper tightening sleeve), the outer ring axial Locking method (seat hole shoulder, bearing cover, stop ring, hole with elastic retaining ring, threaded ring, set of cup shoulder sleeve), all solid type support, solid travel type support, the whole type of radial sliding bearings, split-type reciprocating sliding bearings, oil holes, oil grooves (oil holes, the king-shaped oil grooves, X-type oil grooves)