CN103558045B - Twin-tub pulsator washing machine failure-free operation test device - Google Patents
Twin-tub pulsator washing machine failure-free operation test device Download PDFInfo
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- CN103558045B CN103558045B CN201310541797.1A CN201310541797A CN103558045B CN 103558045 B CN103558045 B CN 103558045B CN 201310541797 A CN201310541797 A CN 201310541797A CN 103558045 B CN103558045 B CN 103558045B
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Abstract
The invention discloses twin-tub pulsator washing machine failure-free operation test device, comprise outside framework, be arranged at the elevating mechanism on described outside framework, dehydration barrel lid mechanism is lifted for what raise the dehydration bung of tested washing machine, for washing and the dehydration rotary machine hand of the washing and dehydration action that control tested washing machine, for washing and dehydration rotary machine hand being arranged at the erecting frame on described elevating mechanism, for clamping detected washing machine the position of described tested washing machine is defined in the clamp system within described outside framework and is used for lifting dehydration barrel lid mechanism for described, the cylinder of washing and dehydration rotary machine hand provides the pneumatic actuator system of source of the gas.Twin-tub pulsator washing machine failure-free operation test device of the present invention, can complete the failure-free operation test of twin-tub pulsator washing machine, the work efficiency improving test and reliability automatically.
Description
Technical field
The present invention relates to a kind of twin-tub pulsator washing machine failure-free operation test device.
Background technology
Twin-tub pulsator washing machine failure-free operation test device is the Special testing device of domestic electric equipment products quality supervision and test mechanism at different levels and testing laboratory of domestic electric washer manufacturing enterprise indispensability.This device widely uses in the research and development of new product of washing machine, properties of product type approval test, consignment, domestic product quality supervision selective examination at different levels.
At present, twin-tub pulsator washing machine failure-free operation test is general adopts manual mode, it has the shortcomings such as inefficiency, test reliability are poor, the labour intensity of staff is high, thus need to study a kind of can the test unit of robotization, the science of washing machine life and reliability test, accuracy and fairness can be improved, reduce the labour intensity of testing crew, play the key effect weighing tested washing machine life and reliability index quality.
Test unit is the specialized equipment of domestic electric equipment products quality supervision and test mechanism at different levels and testing laboratory of domestic electric washer manufacturing enterprise indispensability, widely uses in washing machine research and development of new product, properties of product type approval test, consignment, domestic product quality supervision selective examination at different levels.Test unit can play the key effect weighing tested washing machine life and reliability index quality, and for science, accuracy and fairness that raising washing machine life and reliability is tested, the labour intensity reducing testing crew all has realistic meaning.
Summary of the invention
The present invention is for avoiding the weak point that exists in above-mentioned prior art, provide a kind of twin-tub pulsator washing machine failure-free operation test device, so that the failure-free operation test of twin-tub pulsator washing machine, the work efficiency improving test and reliability automatically can be completed.
The present invention be technical solution problem by the following technical solutions.
Twin-tub pulsator washing machine failure-free operation test device, its design feature is, comprise outside framework, be arranged at the elevating mechanism on described outside framework, dehydration barrel lid mechanism is lifted for what raise the dehydration bung of tested washing machine, for washing and the dehydration rotary machine hand of the washing and dehydration action that control tested washing machine, for washing and dehydration rotary machine hand being arranged at the erecting frame on described elevating mechanism, for clamping detected washing machine the position of described tested washing machine is defined in the clamp system within described outside framework and is used for lifting dehydration barrel lid mechanism for described, the cylinder of washing and dehydration rotary machine hand provides the pneumatic actuator system of source of the gas.
The design feature of twin-tub pulsator washing machine failure-free operation test device of the present invention is also:
Described outside framework comprises four root posts, four entablatures, three sills, two upper strutbeams and middle cross beams; Described four root posts comprise the first column, the second column, the 3rd column and the 4th column; Described four entablatures comprise the first entablature, the second entablature, the 3rd entablature and the 4th entablature; Described three sills comprise the first sill, the second sill and the 3rd sill; Described two upper strutbeams to comprise on first strutbeam on strutbeam and second;
Described four entablatures are in turn connected to form the rectangle frame that four bandings close, and described four root posts lay respectively on four angles of the rectangle frame that described four entablatures surround; Described four entablatures are all positioned at the upper end of described four root posts; Described three sills are positioned at the lower end of described four root posts, and described three sills form the rectangle frame that three bandings close openings at one side;
The two ends of described middle cross beam are individually fixed on described second column and the 3rd column, and between described second entablature and the second sill;
Arranged in parallel and the two ends that are two upper strutbeams of described two upper strutbeams are separately fixed on two entablatures paralleled.
An adjustable for height feet is provided with bottom each root post of described four root posts; Described feet comprises pedestal, screw rod, top nut and lower nut.
Described outside framework is also provided with for abutting against, together with described clamp system, described detected washing machine is anchored on the locating piece within described outside framework with described detected washing machine.
Described elevating mechanism comprises worm type of reduction gearing, rectangle elevating lever, two thin board type stainless steel guide rails, two transmission shafts, two fixed pulleys, two haulage cables and lifting handles; Described worm type of reduction gearing is fixed on described 3rd entablature; The two ends of described worm type of reduction gearing are provided with described two transmission shafts, and the end of described two transmission shafts is fixedly connected with described two fixed pulleys respectively and drives described fixed pulley to rotate by described transmission shaft; One end of described haulage cable is fixed and is wound on described fixed pulley, and the other end and the described rectangle elevating lever of described haulage cable are fixedly connected;
Described two thin board type stainless steel guide rails are arranged on described second column and the 3rd column respectively, the guide pass of two thin board type stainless steel guide rails is all positioned at the inner side of described outside framework and the guide pass of two thin board type stainless steel guide rails is oppositely arranged, the two ends of described rectangle elevating lever are respectively at the guide pass tabling of described two thin board type stainless steel guide rails, and described rectangle elevating lever can lifting under described haulage cable controls;
The driving shaft of described lifting handle and described worm type of reduction gearing is fixedly connected and rotates to drive described worm type of reduction gearing by rotating described lifting handle, is realized the lifting of described rectangle elevating lever successively by transmission shaft, fixed pulley and haulage cable.
The described dehydration barrel lid mechanism that lifts comprises pneumatic panel, Direct Action Type cylinder and piston, oscillating bar assembly; Described pneumatic panel is fixedly installed on described second entablature and middle cross beam, described Direct Action Type cylinder is fixed on described pneumatic panel, piston and the described oscillating bar assembly of described Direct Action Type cylinder are fixedly connected, and are opened or closed the dehydration bung of detected washing machine by described oscillating bar assembly.
Described erecting frame comprises sliding sleeve, the first stainless steel cylinder two guide rail, disk, fixed head, the first screw mandrel, adjusting knob and locking device;
Described sliding sleeve is sheathed on the rectangle elevating lever of described elevating mechanism, and lock onto on described rectangle elevating lever by described locking device by described sliding sleeve; Described locking device comprises the first set lever, the first screw rod and the first locking brake lining;
Described fixed head is fixed on described sliding sleeve, and the two guide rail of described first stainless steel cylinder is fixed on described fixed head, and described first screw mandrel is between two guide rails of the two guide rail of described first stainless steel cylinder; Described disk to be arranged on the two guide rail of described first stainless steel cylinder and can along the two guide rail of described first stainless steel cylinder axially at the two slide on rails of described first stainless steel cylinder;
The bottom of described disk is arranged at screw, and described first screw mandrel is through described screw and matched by screw thread with described screw; End and the described adjusting knob of described first screw mandrel are fixedly connected.
Described washing and dehydration rotary machine hand comprise mounting disc, oscillating cylinder, shaft coupling, odontoid belt wheel assembly, unidirectional drive formula clutch coupling and rotate paw;
The disk of described mounting disc and described erecting frame is fixedly connected, thus rotary machine is hand-tight is fixed on described erecting frame by washing and dehydration; Described oscillating cylinder is connected with described odontoid belt wheel assembly by described shaft coupling, described odontoid belt wheel assembly is connected with described unidirectional drive formula clutch coupling, described rotation paw is arranged on the output shaft of described unidirectional drive formula clutch coupling, drives described rotation paw to rotate by described unidirectional drive formula clutch coupling.
Described clamp system comprises soft rubber pad, universal joint, the second screw mandrel, nut, slide block, slide block stop tight device and handwheel;
Be fixedly installed the two guide rail of the second stainless steel cylinder between described first column and the second column, between described 3rd column and the 4th column, be provided with the two guide rail of the 3rd stainless steel cylinder; The two guide rails of described second stainless steel cylinder and the two guide rail of described 3rd stainless steel cylinder are respectively provided with the described clamp system of two covers;
Described slide block is provided with two circular holes, described slide block is located on the two guide rails of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder by described circle hole sleeve; Described slide block tight device of stopping is arranged on described slide block, is anchored on the two guide rails of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder by described slide block tight device of stopping by described slide block;
Described slide block is stopped, and tight device comprises the second set lever, the second screw rod and second locks brake lining;
Described slide block is provided with perforation, and described nut is embedded within described perforation, and described second screw mandrel is through described nut and described slide block; One end of described second screw mandrel is fixed with described handwheel, and the other end of described second screw mandrel is fixed with described universal joint, and described soft rubber pad is fixed on described universal joint.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Twin-tub pulsator washing machine failure-free operation test device of the present invention, by outside framework, be arranged at the elevating mechanism on described outside framework, dehydration barrel lid mechanism is lifted for what raise the dehydration bung of tested washing machine, for washing and the dehydration rotary machine hand of the washing and dehydration action that control tested washing machine, for washing and dehydration rotary machine hand being arranged at the erecting frame on described elevating mechanism, for clamping detected washing machine the position of described tested washing machine is defined in the clamp system within described outside framework and is used for lifting dehydration barrel lid mechanism for described, the cylinder of washing and dehydration rotary machine hand provides the formations such as the pneumatic actuator system of source of the gas, automatically the test of tested family expenses twin-tub pulsator washing machine life and reliability can be completed, improve work efficiency and the reliability of the test of family expenses twin-tub pulsator washing machine.
Twin-tub pulsator washing machine failure-free operation test device of the present invention, can complete the failure-free operation test of twin-tub pulsator washing machine, the work efficiency improving test and reliability automatically.
Accompanying drawing explanation
Fig. 1 is the front view of twin-tub pulsator washing machine failure-free operation test device of the present invention.
Fig. 2 is the A-A cut-open view of Fig. 1.
Fig. 3 is the front view of the outside framework of twin-tub pulsator washing machine failure-free operation test device of the present invention.
Fig. 4 is the B-B semisectional view of Fig. 3.
Fig. 5 is the vertical view of the outside framework of twin-tub pulsator washing machine failure-free operation test device of the present invention.
Fig. 6 is the D-D semisectional view of Fig. 3.
Fig. 7 is the C-C semisectional view of Fig. 4.
Fig. 8 is the structural representation of the erecting frame of twin-tub pulsator washing machine failure-free operation test device of the present invention.
Fig. 9 is the connection diagram in Fig. 8 between disk and the first screw mandrel.
Figure 10 is the washing of twin-tub pulsator washing machine failure-free operation test device of the present invention and the structural representation of dehydration rotary machine hand.
Figure 11 is the structural representation of the clamp system of twin-tub pulsator washing machine failure-free operation test device of the present invention.
Figure 12 is the pneumatic schematic diagram of the pneumatic actuator system of twin-tub pulsator washing machine failure-free operation test device of the present invention.
Label in accompanying drawing 1 ~ 12: 1 outside framework, 101 first columns, 102 second columns, 103 the 3rd columns, 104 the 4th columns, 105 first entablatures, 106 second entablatures, 107 the 3rd entablatures, 108 the 4th entablatures, 109 first sills, 110 second sills, 111 middle cross beams, 2 elevating mechanisms, 201 worm type of reduction gearings, 202 rectangle elevating levers, 203 thin board type stainless steel guide rails, 204 transmission shafts, 205 fixed pulleys, 206 haulage cables, 207 lifting handles, 3 lift dehydration barrel lid mechanism, 301 pneumatic panels, 302 Direct Action Type cylinders, 303 pistons, 304 oscillating bar assemblies, 4 erecting frames, 401 sliding sleeves, the two guide rail of 402 first stainless steel cylinders, 403 disks, 404 fixed heads, 405 first screw mandrels, 406 adjusting knobs, 407 locking devices, 4071 first set levers, 4072 first screw rods, 4073 first locking brake linings, 408 plates, 5 washings and dehydration rotary machine hand, 51 mounting discs, 52 oscillating cylinders, 53 shaft couplings, 54 odontoid belt wheel assemblies, 55 unidirectional drive formula clutch couplinges, 56 rotate paw, 6 clamp systems, 61 soft rubber pads, 62 universal joints, 63 second screw mandrels, 64 nuts, 65 slide blocks, circular hole 651, endoporus 652, perforation 653, 66 slide blocks are stopped tight device, 661 second set levers, 662 second screw rods, 663 second locking brake linings, 664 fixed blocks, 67 handwheels, 7 pneumatic actuator systems, 71 reduction valve, 72 tensimeters, 73 vent valves, 74 stop valves, 75 one-way throttle valves, 76 retaining valves, 77 two-position five-way solenoid directional control valves, 78 exhaust boxs, 8 locating pieces, 801 installing plates, 802 positioning cylinders, 9 feets, 901 pedestals, 902 screw rods, 903 top nuts, 904 lower nuts, 10 detected washing machines, 1001 dehydration bungs, the two guide rail of 11 second stainless steel cylinders, 12 sources of the gas.
Below by way of embodiment, and the invention will be further described by reference to the accompanying drawings.
Embodiment
See Fig. 1 ~ 12, twin-tub pulsator washing machine failure-free operation test device, it comprises outside framework 1, be arranged at the elevating mechanism 2 on described outside framework 1, dehydration barrel lid mechanism 3 is lifted for what raise the dehydration bung 1001 of tested washing machine 10, for washing and the dehydration rotary machine hand 5 of the washing and dehydration action that control tested washing machine, for washing and dehydration rotary machine hand being arranged at the erecting frame 4 on described elevating mechanism, for clamping detected washing machine 10 the position of described tested washing machine 10 is defined in the clamp system 6 within described outside framework and is used for lifting dehydration barrel lid mechanism for described, the cylinder of washing and dehydration rotary machine hand provides the pneumatic actuator system 7 of source of the gas.
Described outside framework 1 comprises four root posts, four entablatures, three sills, two upper strutbeams and middle cross beams 111; Described four root posts comprise the first column 101, second column 102, the 3rd column 103 and the 4th column 104; Described four entablatures comprise the first entablature 105, second entablature 106, the 3rd entablature 107 and the 4th entablature 108; Described three sills comprise the first sill 109, second sill 110 and the 3rd sill; Not shown, be positioned at below entablature 107, sill 109 rear, is blocked; Described two upper strutbeams to comprise on first strutbeam 113 on strutbeam 112 and second;
Described four entablatures are in turn connected to form the rectangle frame that four bandings close, and described four root posts lay respectively on four angles of the rectangle frame that described four entablatures surround; Described four entablatures are all positioned at the upper end of described four root posts; Described three sills are positioned at the lower end of described four root posts, and described three sills form the rectangle frame that three bandings close openings at one side; The opening part left side in FIG of the rectangle frame that described three sills surround, within the space that detected washing machine is surrounded by this opening feeding outside framework, described opening is as the gateway of detected washing machine.If Fig. 3 ~ Fig. 7 is the structural drawing of outside framework.Described first column 101 and the second column 102 are positioned at the front side of described outside framework 1, and described 3rd column 103 and the 4th column 104 are positioned at the rear side of described outside framework 1; Described first column 1 and the 4th column 4 are positioned at the left side of outside framework 1, and the second column 2 and the 3rd column 3 are positioned at the right side of outside framework 1.First entablature 105 and the first sill 109 are positioned at the front side of outside framework 1, second entablature 106, second sill 110 and middle cross beam 111 are positioned at the right side of outside framework 1,3rd entablature 107 and the 3rd sill are positioned at the rear side of described outside framework 1, and described 4th entablature 108 is positioned at the left side of outside framework 1.
The two ends of described middle cross beam 111 are individually fixed on described second column 102 and the 3rd column 103, and between described second entablature 106 and the second sill 110; The top and bottom of described pneumatic panel are fixedly installed on described second entablature 106 and middle cross beam 111 respectively;
Arranged in parallel and the two ends that are two upper strutbeams of described two upper strutbeams are separately fixed on two entablatures paralleled.On described first, on strutbeam 112 and second, strutbeam 113 is arranged in parallel, and parallels with described second entablature 106; On first, on strutbeam 112 and second, the two ends of strutbeam 113 are separately fixed on the first entablature 105 and the 3rd entablature 107.Described outside framework is stainless steel frame.Described column, entablature, sill, upper strutbeam and middle cross beam are the stainless steel pipe that section is rectangle.
An adjustable for height feet 9 is provided with bottom each root post of described four root posts; Described feet 9 comprises pedestal 901, screw rod 902, top nut 903 and lower nut 904.As shown in Figure 6, described screw rod 902 is from bottom to top successively through pedestal, lower nut 904, top nut 903 and column 11.By rotating upper lower nut and screw rod, the distance between adjustment top nut and lower nut, the height of each feet of adjustable.By adjusting the height of each feet, thus realize the adjustment of the levelness of support frame.
The outside framework of twin-tub pulsator washing machine failure-free operation test device adopts rectangle stainless steel support frame, elevating mechanism, lifts dehydration barrel lid mechanism, washing and dehydration rotary machine hand, erecting frame, clamp system, pneumatic actuator system and is all arranged on described outside framework.Four adjustable horizontal support pin bottom stainless steel frame, make device remain on horizontality.When adjusting the level of support frame, first level meter can be placed in the top of support frame, then the height of the feet needing adjustment be adjusted, the levelness of support frame can be realized with this, thus improve the accuracy of test.
Described outside framework is also provided with for abutting against, together with described clamp system, described detected washing machine is anchored on the locating piece 8 within described outside framework with described detected washing machine 10.
As Fig. 2 and Fig. 4, described locating piece 8 includes two, and the position of described detected washing machine determined by two locating pieces from X-direction.As Fig. 7, described locating piece comprises installing plate 801 and positioning cylinder 802, described installing plate 801 is fixed on the madial wall of described second sill 110 by trip bolt, described positioning cylinder 802 is anchored on described installing plate 801 by fastening bolt, thus is fixed on tightly by locating piece on described second sill.Described second sill is positioned at the lower right side of outside framework, is oppositely arranged with the gateway of described detected washing machine.By clamp system and described locating piece, described detected washing machine can be fixed in three of a detected washing machine direction, detected washing machine is anchored within described outside framework.
Described elevating mechanism 2 comprises worm type of reduction gearing 201, rectangle elevating lever 202, two thin board type stainless steel guide rails 203, two transmission shafts 204, two fixed pulleys 205, two haulage cables 206 and lifting handle 207; Described worm type of reduction gearing 201 is fixed on described 3rd entablature 107; The two ends of described worm type of reduction gearing 201 are provided with described two transmission shafts 204, and the end of described two transmission shafts 204 is fixedly connected with described two fixed pulleys 205 respectively and drives described fixed pulley 205 to rotate by described transmission shaft 204; One end of described haulage cable 206 is fixed and is wound on described fixed pulley 205, and the other end and the described rectangle elevating lever 202 of described haulage cable 206 are fixedly connected;
Described two thin board type stainless steel guide rails 203 are arranged on described second column 102 and the 3rd column 103 respectively, the guide pass of two thin board type stainless steel guide rails 203 is all positioned at the inner side of described outside framework 1 and the guide pass of two thin board type stainless steel guide rails 203 is oppositely arranged, the two ends of described rectangle elevating lever 202 are respectively at the guide pass tabling of described two thin board type stainless steel guide rails 203, and described rectangle elevating lever 202 can lifting under described haulage cable 206 controls;
Described lifting handle 207 is fixedly connected with the driving shaft of described worm type of reduction gearing 201 and rotates to drive described worm type of reduction gearing 201 by rotating described lifting handle 207, is realized the lifting of described rectangle elevating lever 202 successively by transmission shaft 204, fixed pulley 205 and haulage cable 206.
As Fig. 1, when needing the height adjusting rectangle elevating lever, rotate lifting handle, driving force is transferred to transmission shaft by speed reduction unit, drives two fixed pulleys respectively by two transmission shafts, fixed pulley rotates, drive haulage cable to be wound around or decontrol, thus can pull on the two ends of rectangle elevating lever and rise, or loosening wire rope rectangle elevating lever is fallen under Gravitative Loads, thus the height of adjustable rectangle elevating lever, so that adapt with detected washing machine.Washing and dehydration rotary machine hand are fixed on the rectangle elevating lever of described elevating mechanism by erecting frame, by the height of adjustment rectangle elevating lever, thus the height of adjustable washing and dehydration rotary machine hand, make to wash and dehydration rotary machine hand can operate the washing of detected washing machine 10 and dehydration knob controls.
The described dehydration barrel lid mechanism 3 that lifts comprises pneumatic panel 301, Direct Action Type cylinder 302 and piston 303 thereof, oscillating bar assembly 304; Described pneumatic panel is fixedly installed on described second entablature 106 and middle cross beam 111, described Direct Action Type cylinder 302 is fixed on described pneumatic panel 301, piston 303 and the described oscillating bar assembly 304 of described Direct Action Type cylinder 302 are fixedly connected, and are opened or closed the dehydration bung 1001 of detected washing machine 10 by described oscillating bar assembly 304.
As shown in Figure 2, the inner side of pneumatic panel installed described in lift dehydration barrel lid mechanism 4, a set of pneumatic actuator system 7 has been installed in outside.Be Direct Action Type cylinder air feed by pneumatic actuator system 7, driven plunger is moved, and oscillating bar assembly is fixed on piston, can adjust along with the motion of piston.Pulled the dehydration bung 1001 of detected washing machine 10 by oscillating bar assembly, open or close the dehydration bung 1001 of detected washing machine 10.
As Fig. 2, lift the course of work of dehydration barrel lid mechanism 3: the power relying on pneumatic actuator system to provide, drags oscillating bar assembly 304 by the piston 303 of double acting Direct Action Type cylinder 302 and carry out oscillating motion.When piston 303 is descending, oscillating bar assembly 304 presses down and can close the dehydration bung of tested washing machine; When piston 303 is up, oscillating bar assembly 304 upwards pulls a traction rope, can open the dehydration bung 1001 of tested washing machine 10; One end of described traction rope is fixed on the preset aperture of dehydration bung 1001, and the other end to be fixed on described oscillating bar assembly 304 and to be affected by described oscillating bar assembly 304.
Described erecting frame 4 comprises sliding sleeve 401, first stainless steel cylinder two guide rail 402, disk 403, fixed head 404, first screw mandrel 405, adjusting knob 406 and locking device 407;
Described sliding sleeve 401 is sheathed on the rectangle elevating lever 202 of described elevating mechanism 2, and lock onto on described rectangle elevating lever 202 by described locking device 407 by described sliding sleeve 401; Described locking device 407 comprises the first set lever 4071, first screw rod 4072 and the first locking brake lining 4073; As shown in Figure 8, described sliding sleeve inside is cavity, and described rectangle elevating lever is through the cavity of described sliding sleeve inside, and described first locking brake lining is positioned at the side of described cavity; Described first locking brake lining and described first screw rod are fixedly connected, and described first screw rod is through the screw of described sliding sleeve, and the inner of the first screw rod and described first is locked brake lining and fixed, and outer end and described first set lever of described first screw rod are fixedly connected; When erecting frame is fixed on described rectangle elevating lever by needs, rotate the first set lever drive the first bolt rotary and move linearly, first of first screw rod the inner locking brake lining is moved to described rectangle elevating lever, and hold out against the lateral surface of described rectangle elevating lever, described erecting frame can be locked on described rectangle elevating lever.
Described fixed head 404 is fixed on described sliding sleeve 401, and the two guide rail 402 of described first stainless steel cylinder is fixed on described fixed head 404, and described first screw mandrel 405 is between two guide rails of the two guide rail 402 of described first stainless steel cylinder; Described disk 403 to be arranged on the two guide rail 402 of described first stainless steel cylinder and can axially sliding on the two guide rail 402 of described first stainless steel cylinder along the two guide rail 402 of described first stainless steel cylinder;
The bottom of described disk 403 is arranged at screw, and described first screw mandrel 405 is through described screw and matched by screw thread with described screw; End and the described adjusting knob 406 of described first screw mandrel 405 are fixedly connected.
As shown in Figure 8, described fixed head is fixed on the side, the left side of described sliding sleeve by screw, and described locking device 407 is positioned at the right side of described sliding sleeve; The right-hand member of the two guide rail of described first stainless steel cylinder is fixed on described fixed head, and the left end of the two guide rail of described first stainless steel cylinder fixes a plate 408, and described adjusting knob 406 is positioned at the left side of this plate 408.Described first screw mandrel is connected by bearing with between described plate 408 through this plate 408, first screw mandrel.The left part of described first screw mandrel is passed described plate 408 and is fixedly connected with described adjusting knob 406.
As shown in Figure 9, the bottom of described disk is provided with a screw, described first screw mandrel is through described screw, when rotating under the drive of the first screw mandrel at adjusting knob, described disk can moving axially along the two guide rail of described first screw mandrel and described first stainless steel cylinder, drive simultaneously and be fixed on washing on described disk and move together with dehydration rotary machine hand, so that by wash and rotary machine hand control of dewatering is detected washing and the dehydration knob of washing machine.
The course of work of erecting frame part: manually rotation of adjustment knob 406, can to make on disk 403 carrying washing and dehydration rotary machine hand 5 can along Y-direction displacement, in order to adjustment washing and dehydration rotary machine hand in the working position of fore-and-aft direction.
As Fig. 1, when being fixed on after within described outside framework by detected washing machine, first the height of described rectangle elevating lever and described detected washing machine is regulated to adapt by elevating mechanism 2.Then described erecting frame is fixed on rectangle elevating lever solid on, thus make the washing on erecting frame corresponding with the position of detected washing machine with dehydration rotary machine hand, realize washing and the determination of dehydration rotary machine hand in the position of Z-direction, namely can realize washing and the determination of dehydration rotary machine hand height, so that by wash and the rotary machine hand that dewaters controls the washing of washing machine and dehydration knob.By the manual knob of erecting frame realize disk 403 and on washing and dehydration rotary machine hand 5 can along Y-direction displacement, thus the X of adjustable washing and dehydration rotary machine hand 5 to and the position of Y-direction, make washing and dehydration rotary machine hand can carry out operation control to the washing of detected washing machine and dehydration knob.
Described washing and dehydration rotary machine hand 5 comprise mounting disc 51, oscillating cylinder 52, shaft coupling 53, odontoid belt wheel assembly 54, unidirectional drive formula clutch coupling 55 and rotate paw 56;
Described mounting disc 51 is fixedly connected with the disk 403 of described erecting frame 4, thus is anchored on described erecting frame 4 by washing and dehydration rotary machine hand 5; Described oscillating cylinder 52 is connected with described odontoid belt wheel assembly 54 by described shaft coupling 53, described odontoid belt wheel assembly 54 is connected with described unidirectional drive formula clutch coupling 55, described rotation paw 56 is arranged on the output shaft of described unidirectional drive formula clutch coupling 55, drives described rotation paw 56 to rotate by described unidirectional drive formula clutch coupling 55.
As Fig. 1, the rectangle elevating lever of elevating mechanism is arranged at two erecting frames 4, each erecting frame 4 is provided with a set of washing and dehydration rotary machine hand 5, and the two is fixedly connected by mounting disc 51 and disk 403.Washing and dehydration rotary machine hand 5 is being have adjusted at X behind the position in three directions such as, Y-direction and Z-direction by elevating mechanism and erecting frame, make to wash corresponding with the washing of dehydration rotary machine hand 5 and detected washing machine 10 and knob position of dewatering, can the rotation paw 56 of operated wash and dehydration rotary machine hand 5, make to rotate paw 56 to rotate the knob of washing or spin-drying timer, to control the working time of washing machine.
As Figure 10, described washing and dehydration rotary machine hand 5 also comprise gland assembly, the auxiliary bodies such as tight Handleset, casing assembly and standard component of stopping.The mounting disc 51 of washing and dehydration rotary machine hand 5 can be arranged on the disk 403 of erecting frame 4, the unclamping tight Handleset of stopping mechanical arm can be made to carry out 0 ° ~ 90 ° rotation around X-axis line of washing and dehydration rotary machine hand 5, with this adjust its work inclination angle (for installation of tilting timer and arrange).Unclamp the initial angle (arranging for the timer knob non-perpendicular to Y-axis) of gland assembly and adjustable oscillating cylinder.Open the gland of oscillating cylinder end, use built-in two the block working positions of instrument adjustment cylinder, can adjust within the scope of 0 ° ~ 270 ° pendulum angle size (for timer knob the anglec of rotation and arrange).
The course of work of washing and dehydration rotary machine hand: rely on the power that pneumatic actuator system provides, odontoid belt wheel assembly is driven to carry out oscillating motion by the axis of swing of oscillating cylinder and shaft coupling, for the needs of the tested washing of drum type washing machine of satisfied rotation and spin-drying timer, improve odontoid belt wheel assembly raising speed ratio, 0 ° of specified for oscillating cylinder output ~ 270 ° of pendulum angles can be promoted to 0 ° ~ 300 °.
Power transmission to unidirectional drive formula clutch coupling, namely by rotating paw clamping and rotating clockwise the washing of tested washing machine or the knob of spin-drying timer, is tightened the clockwork spring of timer by odontoid belt wheel assembly in this way.Unidirectional drive formula clutch pack can only transmit clockwise torsion, when timer spring release torsion, the knob of self and rotation paw assembly can be driven to get back to initial position counterclockwise.
Described clamp system 6 comprises soft rubber pad 61, universal joint 62, second screw mandrel 63, nut 64, slide block 65, slide block stop tight device 66 and handwheel 67;
Be fixedly installed the two guide rail 11 of the second stainless steel cylinder between described first column 101 and the second column 102, between described 3rd column 103 and the 4th column 104, be provided with the two guide rail of the 3rd stainless steel cylinder; The two guide rail of 3rd stainless steel cylinder is not shown in the drawings, the two guide rail of described 3rd stainless steel cylinder is corresponding with the position of the two guide rail 11 of described second stainless steel cylinder, the level height of the two is identical, be arranged on the column of described outside framework in tandem, the two guide rail 11 of the second stainless steel cylinder at the front and two guide rail of the 3rd stainless steel cylinder rear; The two guide rails of described second stainless steel cylinder and the two guide rail of described 3rd stainless steel cylinder are respectively provided with the described clamp system 6 of two covers;
Described slide block 65 is provided with two circular holes 651, described slide block 65 is sheathed on the two guide rails 11 of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder by described circular hole 651; Described slide block tight device 66 of stopping is arranged on described slide block 65, is anchored on the two guide rails 11 of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder by described slide block tight device 66 of stopping by described slide block 65;
Described slide block tight device 66 of stopping comprises the second set lever 661, second screw rod 662 and the second locking brake lining 663;
As shown in figure 11, described slide block inside is provided with two circular holes 651, described circular hole 651 is through described slide block, two cylindrical guides of the two guide rails 11 of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder are through described circular hole 651, slide block can be sheathed on the two guide rails 11 of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder, and can move linearly along the axis of cylindrical guide.Described slide block tight device 66 of stopping is positioned at the top of slide block, slide block has the endoporus 652 communicated with described circular hole 651, described second locking brake lining can move in described endoporus 652 along with described second screw rod, can hold out against or unclamp the cylindrical guide of the two guide rails 11 of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder, thus slide block is anchored on the two guide rails 11 of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder.The top of described endoporus 652 is provided with a fixed block 664, and described second screw rod also and described fixed block passes through threaded engagement through this fixed block; Described second set lever is fixed on the top of described second screw rod, and described second locking brake lining is fixed on the lower end of described second screw rod.When rotation the second set lever, bolt rotary also can move linearly along the axis of the endoporus 652 of described slide block, thus drive described second locking brake lining to move, hold out against or unclamp the outer peripheral face of cylindrical guide of the two guide rails 11 of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder, thus, described clamp system 6 can be locked on the two guide rails 11 of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder; Also rotation second set lever can be provided to unclamp the second locking brake lining, adjust the position of described clamp system 6 at the two guide rails 11 of the second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder, and then lock clamp system 6.
Described slide block 65 is provided with perforation 653, and described nut 64 is embedded within described perforation 653, and described second screw mandrel 63 is through described nut 64 and described slide block 65; One end of described second screw mandrel 63 is fixed with described handwheel 67, and the other end of described second screw mandrel 63 is fixed with described universal joint 62, and described soft rubber pad 61 is fixed on described universal joint 62.
As shown in figure 11, often overlap clamp system 6 and be all provided with universal joint, thus all there is the ability clamping tested washing machine curved surface shell.
The course of work of clamp system 6: manually adjust each slide block 65 by the second set lever, make often to overlap clamp system 6 and can carry out X-direction displacement, in order to freely to adjust the clamped position of tested washing machine at left and right directions respectively on second or the two guide rail of the 3rd stainless steel cylinder of outside framework.
Rotation hand wheel 67, rotatable second screw mandrel 63, drives the universal joint 62 on the second screw mandrel 63 top and soft rubber pad 61 to move in the Y direction, thus tested washing machine can be fixed in the Y direction.
As shown in figure 12, pneumatic actuator system 7 has three cover pneumatic transmission loops.In Figure 12, P0 is system pressure, and P1 is for opening dehydration bung pressure, and P2 is for closing dehydration bung pressure; Q1 for washing oscillating cylinder 52, Q2 be dehydration oscillating cylinder 52, Q3 is switch dehydration bung Direct Action Type cylinder 302.YA
1, YA
2and YA
3for the electromagnet of two-position five-way solenoid directional control valve 77.Described source of the gas 12 is compressed-air actuated input port.
(1) inlet end is furnished with each one of reduction valve 71, tensimeter 72, vent valve 73 and stop valve 74; Its objective is in the test preparatory stage, by reduction valve regulating system pressure P 0 to 0.3 ~ 0.4MPa.Close stop valve, open vent valve, emptying system pressurized air.Manually can adjust the oscillating bar assembly and traction rope that lift dehydration barrel lid mechanism, manually adjustment washing and dehydration rotary machine hand, make the dehydration bung of tested washing machine, washing and spin-drying timer be under effective control of each topworks.
(2) the pneumatic transmission loop controlling to lift dehydration barrel lid mechanism 3 motion is made up of a double acting Direct Action Type cylinder 302, two pieces one-way throttle valve 75, two pieces reduction valve 71, two pieces retaining valve 76, two pieces tensimeter 72 and a pilot-operated type two-position five-way solenoid directional control valve 77 and auxiliary.The energising of two-position five-way solenoid directional control valve or power-off, can make the piston rod of double acting Direct Action Type cylinder produce the commutation effect of downlink or uplink.Time descending, regulate by reduction valve and close lid pressure p 2 to 0.1MPa; When piston rod is up, regulate by reduction valve the pressure/p1 to 0.2MPa that uncaps.Regulate the knob of one-way throttle valve can control the travelling speed of piston rod respectively.By to the adjustment of upward pressure and flow element, can make to be applied to the opening force of tested laundry machine dehydration bung and closing forces is soft and action is effective.
(3) control washing all identical with two cover pneumatic transmission loops of dehydration rotary machine hand 5 motion, often overlap and form by an oscillating cylinder 52, two pieces one-way throttle valve 75 and a two-position five-way solenoid directional control valve 77.The swing of the axis of swing of oscillating cylinder, uses reduction valve regulating system pressure p 0 to 0.3 ~ 0.4MPa.By the adjustment to related pressure and flow element, the revolving force that can make to be applied to tested washing of drum type washing machine and spin-drying timer knob is soft and action is effective.
It is pneumatically operated that each pneumatic element relies on device external to provide, and other auxiliary is made up of exhaust box 78, various hydraulic quick coupler and tracheae.
The specific works process of test unit can be divided into preliminary work and running operation two processes.
1) preliminary work.
Adjust four horizon adjustable stainless steel feets bottom outside framework respectively, make test unit maintenance level and steady state (SS).
Tested washing machine is directly pushed within outside framework from the gateway in the left side of outside framework along ground, and near the tested washing machine locating piece of two covers.With the four cover clamp systems 6 that second and the two guide rail of the 3rd stainless steel cylinder are installed, tested washing machine is fixed.
Two cover washings and dehydration rotary machine hand 5 can carry out the adjustment of working position in X-direction and Z-direction by elevating mechanism 2, in the Y direction and can rotate the adjustment carrying out working position around X-axis line by erecting frame 4.After Joint regulation, namely the rotation paw 56 of available two cover washings and dehydration rotary machine hand 5 is aimed at respectively and catches the tested washing of washing machine 10 and the knob of spin-drying timer.
The traction rope lifting dehydration barrel lid mechanism 3 end is connected with the dehydration bung 1001 of tested washing machine 10.
By the countries concerned's standard regulation, in the washing tube and dehydration barrel of tested washing machine, be respectively charged into nominal load.
Preliminary work is complete, and 220V, 50Hz power supply connected by test unit, and water source connected by tested washing machine.
Open the stop valve 74 of pneumatic actuator system 7, enable the working pressure of each cylinder and the operating rate of piston rod reach two covers washings and dehydration rotary machine hand and lift dehydration barrel lid mechanism and export the mechanical force substantially identical with spin-drying timer with manual operation washing by six one-way throttle valves and the combine regulation of three reduction valve.
2) running operation:
According to the countries concerned's standard regulation, established standards washing procedure is 15min respectively; Dehydration procedure is set as the 3min that dewaters, and shut down 2min, the work period (number of times) of program can set arbitrarily.
Start runs.The washing timer of tested washing machine carries out 15min decantation test under the drive of washing rotary machine hand; Spin-drying timer dehydration rotary machine hand and lift dehydration barrel lid mechanism combine drive under carry out 3min dehydration and 2min engine cut off test.After test routine terminates first, the automatic control program of test unit enters the next work period again by above-mentioned process of the test ..., when after the work period (number of times) arriving setting, shut down, off-test.
The present invention relates to the twin-tub pulsator washing machine failure-free operation test device that a kind of rated voltage and frequency are 220V, 50Hz.This test unit carries out machine life and fail-test as tested family expenses twin-tub pulsator washing machine and develops.Test unit adopts intelligent electronic control circui, the kind of drive that air pressure and machinery combine, and the washing timer manipulating tested washing machine according to preset automatic control program carries out washing running; Manipulation spin-drying timer and dehydration bung carry out dehydration running.Washing and dehydration the duration of runs can free settings, and running number of times can record automatically.
Twin-tub pulsator washing machine failure-free operation test device of the present invention, alternative original manual mode of operation, relies on two cover rotary machine hand and a set of cover lifter mechanical arm, automatically completes the test of tested family expenses twin-tub pulsator washing machine life and reliability.
The kind of drive that the present invention adopts air pressure and machinery to combine, the washing timer handling tested family expenses twin-tub pulsator washing machine carries out washing running; Manipulation spin-drying timer and dehydration bung carry out dehydration running.Washing and dehydration the duration of runs can free settings, and running number of times can record automatically.
The present invention can control the washing timer of tested family expenses twin-tub pulsator washing machine, under washing rotary machine hand assembly drives, carry out 15min decantation test; Spin-drying timer dehydration rotary machine hand assembly and lift dehydration barrel lid mechanism assembly combine drive under carry out 3min dehydration and 2min engine cut off test.
Claims (8)
1. twin-tub pulsator washing machine failure-free operation test device, it is characterized in that, comprise outside framework (1), be arranged at the elevating mechanism (2) on described outside framework (1), dehydration barrel lid mechanism (3) is lifted for what raise the dehydration bung (1001) of tested washing machine (10), for control tested washing machine washing and dehydration action washing and dehydration rotary machine hand (5), for washing and dehydration rotary machine hand being arranged at the erecting frame (4) on described elevating mechanism, for clamp detected washing machine (10) with the position of described tested washing machine (10) is defined in clamp system (6) within described outside framework and for for described in lift dehydration barrel lid mechanism, the cylinder of washing and dehydration rotary machine hand provides the pneumatic actuator system (7) of source of the gas,
An adjustable for height feet (9) is provided with bottom each root post of four root posts; Described feet (9) comprises pedestal (901), screw rod (902), top nut (903) and lower nut (904).
2. twin-tub pulsator washing machine failure-free operation test device according to claim 1, it is characterized in that, described outside framework (1) comprises four root posts, four entablatures, three sills, two upper strutbeams and middle cross beams (111); Described four root posts comprise the first column (101), the second column (102), the 3rd column (103) and the 4th column (104); Described four entablatures comprise the first entablature (105), the second entablature (106), the 3rd entablature (107) and the 4th entablature (108); Described three sills comprise the first sill (109), the second sill (110) and the 3rd sill; Described two upper strutbeams comprise strutbeam (113) on strutbeam on first (112) and second;
Described four entablatures are in turn connected to form the rectangle frame that four bandings close, and described four root posts lay respectively on four angles of the rectangle frame that described four entablatures surround; Described four entablatures are all positioned at the upper end of described four root posts; Described three sills are positioned at the lower end of described four root posts, and described three sills form the rectangle frame that three bandings close openings at one side;
The two ends of described middle cross beam (111) are individually fixed on described second column (102) and the 3rd column (103), and are positioned between described second entablature (106) and the second sill (110);
Arranged in parallel and the two ends that are two upper strutbeams of described two upper strutbeams are separately fixed on two entablatures paralleled.
3. twin-tub pulsator washing machine failure-free operation test device according to claim 1, it is characterized in that, described outside framework (1) being also provided with for abutting against with the locating piece (8) together with described clamp system, described detected washing machine is anchored within described outside framework with described detected washing machine (10).
4. twin-tub pulsator washing machine failure-free operation test device according to claim 2, it is characterized in that, described elevating mechanism (2) comprises worm type of reduction gearing (201), rectangle elevating lever (202), two thin board type stainless steel guide rails (203), two transmission shafts (204), two fixed pulleys (205), two haulage cables (206) and lifting handles (207); Described worm type of reduction gearing (201) is fixed on described 3rd entablature (107); The two ends of described worm type of reduction gearing (201) are provided with described two transmission shafts (204), and the end of described two transmission shafts (204) is fixedly connected with described two fixed pulleys (205) respectively and drives described fixed pulley (205) to rotate by described transmission shaft (204); One end of described haulage cable (206) is fixed and is wound on described fixed pulley (205), and the other end and the described rectangle elevating lever (202) of described haulage cable (206) are fixedly connected;
Described two thin board type stainless steel guide rails (203) are arranged on described second column (102) and the 3rd column (103) respectively, the guide pass of two thin board type stainless steel guide rails (203) is all positioned at the inner side of described outside framework (1) and the guide pass of two thin board type stainless steel guide rails (203) is oppositely arranged, the two ends of described rectangle elevating lever (202) are respectively at the guide pass tabling of described two thin board type stainless steel guide rails (203), described rectangle elevating lever (202) can be elevated under described haulage cable (206) controls,
Described lifting handle (207) is fixedly connected with the driving shaft of described worm type of reduction gearing (201) and drives described worm type of reduction gearing (201) to rotate by rotating described lifting handle (207), is realized the lifting of described rectangle elevating lever (202) successively by transmission shaft (204), fixed pulley (205) and haulage cable (206).
5. twin-tub pulsator washing machine failure-free operation test device according to claim 2, it is characterized in that, described in lift dehydration barrel lid mechanism (3) and comprise pneumatic panel (301), Direct Action Type cylinder (302) and piston (303) thereof, oscillating bar assembly (304); Described pneumatic panel is fixedly installed on described second entablature (106) and middle cross beam (111), described Direct Action Type cylinder (302) is fixed on described pneumatic panel (301), piston (303) and the described oscillating bar assembly (304) of described Direct Action Type cylinder (302) are fixedly connected, and can be opened or closed the dehydration bung (1001) of detected washing machine (10) by described oscillating bar assembly (304).
6. twin-tub pulsator washing machine failure-free operation test device according to claim 5, it is characterized in that, described erecting frame (4) comprises sliding sleeve (401), the first stainless steel cylinder two guide rail (402), disk (403), fixed head (404), the first screw mandrel (405), adjusting knob (406) and locking device (407);
Described sliding sleeve (401) is sheathed on the rectangle elevating lever (202) of described elevating mechanism (2), and lock onto on described rectangle elevating lever (202) by described locking device (407) by described sliding sleeve (401); Described locking device (407) comprises the first set lever (4071), the first screw rod (4072) and the first locking brake lining (4073);
Described fixed head (404) is fixed on described sliding sleeve (401), the two guide rail (402) of described first stainless steel cylinder is fixed on described fixed head (404), and described first screw mandrel (405) is positioned between two guide rails of the two guide rail (402) of described first stainless steel cylinder; It is upper and can axially sliding the two guide rail (402) of described first stainless steel cylinder is upper along the two guide rail (402) of described first stainless steel cylinder that described disk (403) is arranged at the two guide rail (402) of described first stainless steel cylinder;
The bottom of described disk (403) is arranged at screw, and described first screw mandrel (405) is through described screw and matched by screw thread with described screw; End and the described adjusting knob (406) of described first screw mandrel (405) are fixedly connected.
7. twin-tub pulsator washing machine failure-free operation test device according to claim 6, it is characterized in that, described washing and dehydration rotary machine hand (5) comprise mounting disc (51), oscillating cylinder (52), shaft coupling (53), odontoid belt wheel assembly (54), unidirectional drive formula clutch coupling (55) and rotate paw (56);
Described mounting disc (51) is fixedly connected with the disk (403) of described erecting frame (4), thus the rotary machine hand (5) that will wash and dewater is anchored on described erecting frame (4); Described oscillating cylinder (52) is connected with described odontoid belt wheel assembly (54) by described shaft coupling (53), described odontoid belt wheel assembly (54) is connected with described unidirectional drive formula clutch coupling (55), described rotation paw (56) is arranged on the output shaft of described unidirectional drive formula clutch coupling (55), drives described rotation paw (56) to rotate by described unidirectional drive formula clutch coupling (55).
8. twin-tub pulsator washing machine failure-free operation test device according to claim 2, it is characterized in that, described clamp system (6) comprises soft rubber pad (61), universal joint (62), the second screw mandrel (63), nut (64), slide block (65), slide block stop tight device (66) and handwheel (67);
Be fixedly installed the two guide rail (11) of the second stainless steel cylinder between described first column (101) and the second column (102), between described 3rd column (103) and the 4th column (104), be provided with the two guide rail of the 3rd stainless steel cylinder; The two guide rails of described second stainless steel cylinder and the two guide rail of described 3rd stainless steel cylinder are respectively provided with the described clamp system of two cover (6);
Described slide block (65) is provided with two circular holes (651), described slide block (65) is sheathed on the two guide rails (11) of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder by described circular hole (651); Described slide block tight device (66) of stopping is arranged on described slide block (65), is anchored on the two guide rails (11) of described second stainless steel cylinder or the two guide rail of described 3rd stainless steel cylinder by described slide block tight device (66) of stopping by described slide block (65);
Described slide block is stopped, and tight device (66) comprises the second set lever (661), the second screw rod (662) and second locks brake lining (663);
Described slide block (65) is provided with perforation (653), described nut (64) is embedded within described perforation (653), and described second screw mandrel (63) is through described nut (64) and described slide block (65); One end of described second screw mandrel (63) is fixed with described handwheel (67), the other end of described second screw mandrel (63) is fixed with described universal joint (62), and described soft rubber pad (61) is fixed on described universal joint (62).
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| CN201310541797.1A CN103558045B (en) | 2013-11-05 | 2013-11-05 | Twin-tub pulsator washing machine failure-free operation test device |
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| CN201310541797.1A CN103558045B (en) | 2013-11-05 | 2013-11-05 | Twin-tub pulsator washing machine failure-free operation test device |
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| CN103558045B true CN103558045B (en) | 2016-02-10 |
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| CN105973305A (en) * | 2016-06-23 | 2016-09-28 | 安徽金帅洗衣机有限公司 | Single-tub washing machine test running inspection technology |
| CN105973538A (en) * | 2016-06-23 | 2016-09-28 | 安徽金帅洗衣机有限公司 | Washing machine water testing running inspection technology |
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| KR0124156Y1 (en) * | 1995-10-17 | 1999-03-30 | 배순훈 | Endurance tester for gear mechanism of a washing machine |
| CN101477165A (en) * | 2009-01-04 | 2009-07-08 | 宁波出入境检验检疫局检验检疫技术中心 | Integrated test system for security and efficiency of washing machine |
| CN201615834U (en) * | 2009-11-27 | 2010-10-27 | 中国家用电器研究院 | Failure-free operation test device for full-automatic washing machine |
| CN203519360U (en) * | 2013-11-05 | 2014-04-02 | 安徽中家智锐科技有限公司 | Twin-tub impeller type washing machine failure-free operation test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20050114464A (en) * | 2004-06-01 | 2005-12-06 | 주식회사 대우일렉트로닉스 | Open and close tester and method of washing machine door |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0124156Y1 (en) * | 1995-10-17 | 1999-03-30 | 배순훈 | Endurance tester for gear mechanism of a washing machine |
| CN101477165A (en) * | 2009-01-04 | 2009-07-08 | 宁波出入境检验检疫局检验检疫技术中心 | Integrated test system for security and efficiency of washing machine |
| CN201615834U (en) * | 2009-11-27 | 2010-10-27 | 中国家用电器研究院 | Failure-free operation test device for full-automatic washing machine |
| CN203519360U (en) * | 2013-11-05 | 2014-04-02 | 安徽中家智锐科技有限公司 | Twin-tub impeller type washing machine failure-free operation test device |
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