CN103424321B - Washing machine top case impact test apparatus - Google Patents
Washing machine top case impact test apparatus Download PDFInfo
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- CN103424321B CN103424321B CN201310367583.7A CN201310367583A CN103424321B CN 103424321 B CN103424321 B CN 103424321B CN 201310367583 A CN201310367583 A CN 201310367583A CN 103424321 B CN103424321 B CN 103424321B
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Abstract
The invention discloses a kind of washing machine top case impact test apparatus, comprise two cylindrical guides, little fixed pulley support, cylindrical guide upper support frame, guide fence mechanism, ram hammer hoisting mechanism, ram hammer body, tight handle of stopping, support frame, preposition rubber impact head, worm type of reduction gearing, wire rope sheave, lifting handle, cylindrical guide lower support frame, large fixed pulley support, large fixed pulley, haulage cable, little fixed pulley and dedicated gauge.By a set of impulse test assembly being furnished with preposition rubber impact head, by free-falling mode, impact the upper cover of the domestic electric washer loading load from top.Washing machine top case impact test apparatus of the present invention, has the advantage such as holistic cost can carrying out washing machine top case impulse test, convenient to operation, the accuracy that can improve washing machine top case test and security, reduction test easily.
Description
Technical field
The present invention relates to washing machine top case impact test apparatus.
Background technology
Washing machine top case impact test apparatus is one of safety test equipment of household electronic products quality supervision and test at different levels mechanism of China and testing laboratory of family expenses pulsator washing machine manufacturing enterprise indispensability.
Application number is that the Chinese utility model patent of 201220528347.X discloses a kind of magneto washing machine hood mechanical strength testing device, and it comprises mounting bracket, minitype permanent magnetism ground jack, hand-operated lifting cucurbit, tests special weight and weight limiting bracket.Manually be elevated the height between cucurbit adjustment minitype permanent magnetism ground jack and tested washing machine, to adjust test height.By being arranged on minitype permanent magnetism ground jack by special for test weight, operation permanent magnetic lifter makes to test special weight and can freely fall, thus carries out shock-testing to the upper cover of tested washing machine.The structure of this employing minitype permanent magnetism ground jack, hand-operated lifting cucurbit, needs to be equipped with the equipment such as permanent magnetic lifter, hand-operated lifting cucurbit specially, and one-piece construction weight is comparatively large, and testing cost is high.This proving installation does not configure protection mechanism, and weight does not also possess weight adjustment capability, and test height does not have special gage measuring, has security and the shortcoming such as accuracy is poor.
Summary of the invention
The present invention is for avoiding the weak point that exists in above-mentioned prior art, providing a kind of washing machine top case impact test apparatus, to improve the holistic cost of the accuracy of washing machine top case test and security, reduction test.
The present invention be technical solution problem by the following technical solutions.
Washing machine top case impact test apparatus, its design feature is, comprises two cylindrical guides, little fixed pulley support, cylindrical guide upper support frame, guide fence mechanism, ram hammer hoisting mechanism, ram hammer body, tight handle of stopping, support frame, preposition rubber impact head, wire rope sheave, lifting handle, cylindrical guide lower support frame, large fixed pulley support, large fixed pulley, haulage cable, little fixed pulley and dedicated gauge;
Described support frame comprises four root posts, upper frame and underframe, and described upper frame is made up of four entablatures, and described underframe is made up of four sills; The centre of described column, the position between described entablature and described sill is provided with intermediate support, and the centre of described intermediate support is provided with described cylindrical guide lower support frame; The centre of described upper frame is provided with upper bracket, and described cylindrical guide upper support frame is fixed on the lower surface of described upper bracket; The upper end of described cylindrical guide is fixed on cylindrical guide upper support frame, and the lower end of described cylindrical guide is fixed on cylindrical guide lower support frame;
The upper surface of described upper bracket is fixed with described little fixed pulley support, described little fixed pulley is fixed on described little fixed pulley support; The entablature of described upper frame side is fixed with described large fixed pulley support, described large fixed pulley support is fixedly installed described large fixed pulley;
Immediately below described large fixed pulley, described support frame is provided with the lifting handle that wire rope sheave and the rotation for controlling wire rope sheave are elevated with tractive ram hammer body; The haulage cable for the lifting of tractive ram hammer body is wound with within described wire rope sheave; One end of described haulage cable is fixedly connected by described ram hammer hoisting mechanism and described ram hammer body, and the other end of described haulage cable is wrapped in described wire rope sheave;
Described guide fence mechanism is a guide fence sleeve, and guide fence sleeve can move vertically along two cylindrical guides, adjusts the guide fence height of impulse test assembly with this; Pin the working position of guide fence sleeve with tight handle of stopping after adjustment;
Described preposition rubber impact head is arranged at the lower end of described ram hammer body.
The design feature of washing machine top case impact test apparatus of the present invention is also:
Described support frame is stainless steel frame, and the bottom of described support frame is provided with multiple adjustable leveling feet; Adjustable leveling feet comprises pedestal, screw rod, top nut and lower nut.
Described guide fence mechanism comprises guide collar, lower guide collar and Duo Gen guide pole; The top of described guide pole is fixed on the lower surface of guide collar, and the bottom of described guide pole is fixed on the upper surface of lower guide collar, and described many guide poles, upper guide collar and lower guide collar surround a cylindrical space.
Described ram hammer hoisting mechanism comprises wire rope connector, hook connector, hook bearing pin, hook, roller and lifting part; Described haulage cable locks haulage cable through after the through hole on hook connector by wire rope connector; The outer peripheral face of described hook connector is provided with hook bearing pin, described hook bearing pin is provided with the hook that can rotate around described hook bearing pin; Described lifting part and ram hammer body are fixedly connected, and the top of described lifting part is provided with roller; Described hook catches on described roller, and ram hammer body can be hung on described hook.
The centre of the end face of described ram hammer body is provided with groove, is provided with ram hammer Mass adjust-ment block in described groove.
Described tight handle of stopping is connected with speed reduction unit, and described speed reduction unit is worm type of reduction gearing, drives wire rope sheave to rotate when tight handle of stopping rotates by worm type of reduction gearing.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Washing machine top case impact test apparatus of the present invention, by cylindrical guide, little fixed pulley support, upper cylindrical guide supports, upper guide collar, ram hammer hoisting mechanism, ram hammer Mass adjust-ment block, ram hammer body, to stop tight handle, adjustable leveling feet, stainless steel frame, preposition rubber impact head, lower guide collar, worm type of reduction gearing, wire rope sheave, lifting handle, lower cylindrical guide supports, guide pole, large fixed pulley support, large fixed pulley and wheel shaft, haulage cable, little fixed pulley and wheel shaft, wire rope connector, hook connector, hook bearing pin, hook, roller and dedicated gauge composition.Device adopts rectangle stainless steel frame structure, under the acting in conjunction of impulse test assembly, ram hammer hoisting mechanism and guide fence mechanism, rely on manual operation, by a set of impulse test assembly being furnished with preposition rubber impact head, in free-falling mode, impact the upper cover of the domestic electric washer loading load from top, verify whether the physical strength of upper cover meets about international and national safety standard regulation with this.This device adopts manual manipulation mode, non-automatic mode of operation.
Washing machine top case impact test apparatus of the present invention, upper cover impact test apparatus simplifies physical strength operating process, equipment dependability, accuracy are higher, have the advantage such as holistic cost can carrying out washing machine top case impulse test, convenient to operation, the accuracy that can improve washing machine top case test and security, reduction test easily.
Accompanying drawing explanation
Fig. 1 is the vertical view of washing machine top case impact test apparatus of the present invention.
Fig. 2 is the A-A cut-open view in Fig. 1.
Fig. 3 is the partial sectional view of the B-B in Fig. 2.
Fig. 4 is the cut-open view of the dedicated gauge of washing machine top case impact test apparatus of the present invention.
Fig. 5 is the structural drawing of the guide fence mechanism of washing machine top case impact test apparatus of the present invention.
Fig. 6 is C-C cut-open view in Fig. 5
Fig. 7 is the partial sectional view of the D-D in Fig. 2.
Label in accompanying drawing 1 ~ 7: 1 cylindrical guide, 2 little fixed pulley supports, 3 cylindrical guide upper support frames, guide collar on 4, 5 ram hammer hoisting mechanisms, 6 ram hammer Mass adjust-ment block 7 ram hammer bodies, 8 stop tight handle, 9 adjustable leveling feet, 901 pedestals, 902 screw rods, 903 top nuts, 904 lower nuts, 10 support frames, 101 columns, 102 upper frames, 1021 entablatures, 103 underframe, 1031 sills, 11 preposition rubber impact heads, 12 times guide collar, 13 speed reduction units, 14 wire rope sheaves, 15 lifting handles, 16 cylindrical guide lower support framves, 17 guide poles, 18 large fixed pulley supports, 19 large fixed pulleys, 20 wire rope, 21 little fixed pulleys, 22 wire rope connectors, 23 hook connector, 24 hook bearing pins, 25 hooks, 26 rollers, 27 dedicated gauges, 28 intermediate supports, 29 upper brackets, 30 washing machines.
Below by way of embodiment, and the invention will be further described by reference to the accompanying drawings.
Embodiment
See Fig. 1 ~ 7, washing machine top case impact test apparatus, comprises two cylindrical guides 1, little fixed pulley support 2, cylindrical guide upper support frame 3, guide fence mechanism, ram hammer hoisting mechanism, ram hammer body 7, tight handle 8 of stopping, support frame 10, preposition rubber impact head 11, wire rope sheave 14, lifting handle 15, cylindrical guide lower support frame 16, large fixed pulley support 18, large fixed pulley 19, haulage cable 20, little fixed pulley 21 and dedicated gauge 27;
Described support frame comprises four root posts 101, upper frame 102 and underframe 103, and described upper frame 102 is made up of four entablatures 1021, and described underframe 103 is made up of four sills 1031; The centre of described column 101, the position between described entablature 1021 and described sill 1031 is provided with intermediate support 28, and the centre of described intermediate support 28 is provided with described cylindrical guide lower support frame 16; The centre of described upper frame 102 is provided with upper bracket 29, and described cylindrical guide upper support frame 3 is fixed on the lower surface of described upper bracket 29; The upper end of described cylindrical guide 1 is fixed on cylindrical guide upper support frame 3, and the lower end of described cylindrical guide 1 is fixed on cylindrical guide lower support frame 16;
The upper surface of described upper bracket 29 is fixed with described little fixed pulley support 2, described little fixed pulley 21 is fixed on described little fixed pulley support 2; The entablature 1021 of described upper frame 102 side is fixed with described large fixed pulley support 18, described large fixed pulley support 18 is fixedly installed described large fixed pulley 19;
Immediately below described large fixed pulley 19, described support frame 10 is provided with the lifting handle 15 that wire rope sheave 14 and the rotation for controlling wire rope sheave 14 are elevated with tractive ram hammer body 7; The haulage cable 20 for the lifting of tractive ram hammer body 7 is wound with within described wire rope sheave 14; One end of described haulage cable 20 is fixedly connected by described ram hammer hoisting mechanism and described ram hammer body 7, and the other end of described haulage cable 20 is wrapped in described wire rope sheave 14;
Described guide fence mechanism is a guide fence sleeve, and guide fence sleeve can move vertically along two cylindrical guides 1, adjusts the guide fence height of impulse test assembly with this; Pin the working position of guide fence sleeve with tight handle 8 of stopping after adjustment;
Described preposition rubber impact head 11 is arranged at the lower end of described ram hammer body 7.
The column of support frame, upper frame and underframe surround the four prism type framework of a hollow jointly; Upper frame and the underframe rectangle support body all for being made up of four crossbeams; Before test, first a certain loads load domestic electric washer 30 from top is pushed the inner chamber of stainless steel support frame from left side, and place dedicated gauge and the central point of the preposition rubber impact head of aligning top by vertical on cornerwise for the upper cover of washing machine 30 central point.Slow rotation lifting handle, haulage cable drags ram hammer body and moves down, when the lower end of preposition rubber impact head touches the upper plane of dedicated gauge.Now, the front end of preposition rubber impact head is 100mm to the distance of upper cover central part of the domestic electric washer 30 loading load from top.Ram hammer comprises the parts such as preposition rubber impact head, ram hammer body, ram hammer Mass adjust-ment block.Intermediate support is made up of two rectangular steel pipes, and upper frame is also be made up of two rectangular steel pipes, and the axis of the axis of two steel pipes of intermediate support and two steel pipes of upper frame is orthogonal, and be different surface beeline between two axis, difference in height is about 310mm.
After range finding; remove dedicated gauge 27; by manual operation ram hammer hoisting mechanism; can make to depart from ram hammer hoisting mechanism by preposition rubber impact head, ram hammer body, ram hammer Mass adjust-ment block etc.; under the protection of guide fence mechanism, impact the upper cover of the domestic electric washer 30 loading load from top in free-falling mode.After one-shot, rotate lifting handle, put down haulage cable and ram hammer hoisting mechanism, when ram hammer hoisting mechanism catches on the ram hammer of impulse test assembly again, rise to initial position ...Move in circles, above impulse test carries out three times altogether.
Described support frame 10 is described stainless steel frame, and the bottom of described support frame 10 is provided with multiple adjustable leveling feet 9; Adjustable leveling feet 9 comprises pedestal 901, screw rod 902, top nut 903 and lower nut 904.As shown in Figure 7, described screw rod 902 is from bottom to top successively through pedestal, lower nut 904, top nut 903 and column 101.By rotating upper lower nut and screw rod, the distance between adjustment top nut and lower nut, the height of each footing of adjustable.By adjusting the height of each footing, thus realize the adjustment of the levelness of support frame.
Washing machine top case impact test apparatus adopts rectangle stainless steel support frame, and impulse test assembly, hanging component and guide fence assembly are installed in the center above framework.Four adjustable leveling feet 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 footing needing adjustment be adjusted, the levelness of support frame can be realized with this, thus improve the accuracy of test.
Described guide fence mechanism comprises guide collar 4, lower guide collar 12 and Duo Gen guide pole 17; The top of described guide pole 17 is fixed on the lower surface of guide collar 4, and the bottom of described guide pole 17 is fixed on the upper surface of lower guide collar 12, and described many guide poles 17, upper guide collar 4 and lower guide collar 12 surround a cylindrical space.
As illustrated in Figures 5 and 6, described guide fence mechanism, and to be connected with upper guide collar and lower guide collar in the uniform arrangement of circumferencial direction by six roots of sensation guide pole, forms a guide fence sleeve.The top of six roots of sensation guide pole is fixed on the lower surface of guide collar, the bottom of six roots of sensation guide pole is fixed on the upper surface of lower guide collar, upper and lower guide collar respectively has six point of fixity, six point of fixity are distributed in circumferentially same, thus surround a cylindrical space between guide pole, ram hammer hoisting mechanism, ram hammer body etc. are positioned at this cylindrical space.Manually regulative mode, makes guide fence mechanism move vertically on two cylindrical guides, adjusts the guide fence height of impulse test assembly with this, after adjustment, pins the working position of guide fence mechanism with tight handle of stopping.One end of two cylindrical guides is fixed on cylindrical guide upper support frame, and the other end is fixed on cylindrical guide lower support frame, and each guide supporting is all fixed on stainless steel support frame.
Adjusted the height of ram hammer by wire rope after, unclamp the position that tight handle of stopping adjusts guide fence mechanism up and down, corresponding with the height and position of the position with ram hammer that make guide fence mechanism, and then tighten tight handle of stopping, the position of guide fence mechanism is fixed.
Described ram hammer hoisting mechanism comprises wire rope connector 22, hook connector 23, hook bearing pin 24, hook 25, roller 26 and lifting part 5; Described haulage cable 20 locks haulage cable 20 through after the through hole on hook connector 23 by wire rope connector 22; The outer peripheral face of described hook connector 23 is provided with hook bearing pin 24, described hook bearing pin 24 is provided with the hook 25 that can rotate around described hook bearing pin 24; Described lifting part 5 is fixedly connected with ram hammer body 7, and the top of described lifting part 5 is provided with roller 26; Described hook 25 catches on described roller 26, and ram hammer body 7 can be hung on described hook 25.
Hook is lifted by roller, the impulse test assembly be made up of lifting part, ram hammer body, preposition rubber impact head.Hook is arranged on hook connector and hook bearing pin, and the upper end of hook connector is connected to haulage cable and wire rope connector, and haulage cable is wrapped on wire rope sheave after too small fixed pulley and large fixed pulley.Rotate wire rope sheave and can pull haulage cable, realize rising and the decline of impulse test assembly.Manual rotation's lifting handle, can make worm type of reduction gearing drive wire rope sheave to rotate.
Little fixed pulley and wheel shaft thereof are arranged on little fixed pulley support; Large fixed pulley and wheel shaft thereof are arranged on large fixed pulley support 18.Size pulley bracket is all fixed on the end face of stainless steel frame.
The centre of the end face of described ram hammer body 7 is provided with groove, is provided with ram hammer Mass adjust-ment block 6 in described groove.
Preposition rubber impact head is arranged on the lower surface of ram hammer body, ram hammer hoisting mechanism and roller are arranged on the upper surface of ram hammer body, ram hammer Mass adjust-ment block is arranged in the groove at the center of the upper surface of ram hammer body, by increasing or reduce the method for the quality of ram hammer Mass adjust-ment block, the total quality of adjustment impulse test assembly, thus test unit of the present invention can be made to be applicable to different washing machines, simultaneously also by steel cord structure adjustment shock height, thus improve the versatility of test unit.
Described tight handle 8 of stopping is connected with speed reduction unit 13, and described speed reduction unit 13 is worm type of reduction gearing, drives wire rope sheave 14 to rotate when tight handle 8 of stopping rotates by worm type of reduction gearing 13.Manual rotation's lifting handle, can make worm type of reduction gearing drive wire rope sheave to rotate.
As depicted in figs. 1 and 2, washing machine 30 upper cover impact test apparatus is rectangle stainless steel frame structure, impulse test assembly, hanging component and lead guard assembly and be installed in center in stainless steel frame.Four adjustable leveling feet are housed below stainless steel frame, are in horizontality in order to holding device.
Shown in Fig. 3, adopt and manually pull hook mode, preposition rubber impact head, ram hammer body, ram hammer Mass adjust-ment block and ram hammer hoisting mechanism can be made to form the free-falling of impulse test assembly.
Shown in Fig. 4, define the size and dimension of dedicated gauge 27.Gauge is cylindrical, be divided into upper and lower two parts, top is divided into length longer and the solid construction of diameter less (diameter as the gauge upper part of Fig. 4 is 11mm), bottom is divided into length short and the hollow-core construction of diameter comparatively large (diameter as the gauge lower part of Fig. 4 is 30mm), and the whole height of top and the bottom is 100mm.During concrete enforcement, experimental requirement, adopts the gauge of different length, to be adapted to the test of different types of washing machine top case.The feature of dedicated gauge 27 is used to be: the front end being convenient to measure preposition rubber impact head meets standard-required to the distance of the upper cover central part of the domestic electric washer from top loading load.
The invention provides one and rely on manually-operated washing machine top case impact test apparatus completely, by a set of impulse test assembly being furnished with preposition rubber impact head, by free-falling mode, impact the upper cover of the domestic electric washer loading load from top, verify whether the physical strength of upper cover meets about international and national safety standard regulation with this.From top load load domestic electric washer upper cover---finger to finger test object, comprising: the upper cover of family expenses twin-tub pulsator washing machine dewatering part and the upper cover etc. of the wheeled washing machine of Full-automatic wave.Device of the present invention can widely use in the research and development of new product of family expenses pulsator washing machine and product safety test, third party's consignment, domestic product quality supervision sampling procedure at different levels.
Claims (6)
1. washing machine top case impact test apparatus, it is characterized in that, comprise two cylindrical guides (1), little fixed pulley support (2), cylindrical guide upper support frame (3), guide fence mechanism, ram hammer hoisting mechanism, ram hammer body (7), to stop tight handle (8), support frame (10), preposition rubber impact head (11), wire rope sheave (14), lifting handle (15), cylindrical guide lower support frame (16), large fixed pulley support (18), large fixed pulley (19), haulage cable (20), little fixed pulley (21) and dedicated gauge (27),
Described support frame (10) comprises four root posts (101), upper frame (102) and underframe (103), described upper frame (102) is made up of four entablatures (1021), and described underframe (103) is made up of four sills (1031); The centre of described column (101), be provided with intermediate support (28) being positioned on the position between described entablature (1021) and described sill (1031), the centre of described intermediate support (28) is provided with described cylindrical guide lower support frame (16); The centre of described upper frame (102) is provided with upper bracket (29), and described cylindrical guide upper support frame (3) is fixed on the lower surface of described upper bracket (29); The upper end of described cylindrical guide (1) is fixed on cylindrical guide upper support frame (3), and the lower end of described cylindrical guide (1) is fixed on cylindrical guide lower support frame (16); The column of support frame, upper frame and underframe surround the four prism type framework of a hollow jointly; Upper frame and the underframe rectangle support body all for being made up of four crossbeams;
The upper surface of described upper bracket (29) is fixed with described little fixed pulley support (2), described little fixed pulley (21) is fixed on described little fixed pulley support (2); The entablature (1021) of described upper frame (102) side is fixed with described large fixed pulley support (18), described large fixed pulley support (18) is fixedly installed described large fixed pulley (19);
Immediately below described large fixed pulley (19), described support frame (10) is provided with the lifting handle (15) that wire rope sheave (14) and the rotation for controlling wire rope sheave (14) are elevated with tractive ram hammer body (7); The haulage cable (20) be elevated for tractive ram hammer body (7) is wound with within described wire rope sheave (14); One end of described haulage cable (20) is fixedly connected by described ram hammer hoisting mechanism and described ram hammer body (7), and the other end of described haulage cable (20) is wrapped in described wire rope sheave (14);
Described guide fence mechanism is a guide fence sleeve, and guide fence sleeve can move vertically along two cylindrical guides (1), adjusts the guide fence height of impulse test assembly with this; Pin the working position of guide fence sleeve with tight handle (8) of stopping after adjustment;
Described preposition rubber impact head (11) is arranged at the lower end of described ram hammer body (7).
2. washing machine top case impact test apparatus according to claim 1, it is characterized in that, described support frame (10) is stainless steel frame, and the bottom of described support frame (10) is provided with multiple adjustable leveling feet (9); Adjustable leveling feet (9) comprises pedestal (901), screw rod (902), top nut (903) and lower nut (904).
3. washing machine top case impact test apparatus according to claim 1, is characterized in that, described guide fence mechanism comprises guide collar (4), lower guide collar (12) and many guide poles (17); The top of described guide pole (17) is fixed on the lower surface of guide collar (4), the bottom of described guide pole (17) is fixed on the upper surface of lower guide collar (12), and described many guide poles (17), upper guide collar (4) and lower guide collar (12) surround a cylindrical space.
4. the washing machine top case impact test apparatus according to claim 1,2 or 3, it is characterized in that, described ram hammer hoisting mechanism comprises wire rope connector (22), hook connector (23), hook bearing pin (24), hook (25), roller (26) and lifting part (5); Described haulage cable (20) locks haulage cable (20) through after the through hole on hook connector (23) by wire rope connector (22); The outer peripheral face of described hook connector (23) is provided with hook bearing pin (24), described hook bearing pin (24) is provided with the hook (25) that can rotate around described hook bearing pin (24); Described lifting part (5) and ram hammer body (7) are fixedly connected, and the top of described lifting part (5) is provided with roller (26); Described hook (25) catches on described roller (26), and ram hammer body (7) can be hung on described hook (25).
5. washing machine top case impact test apparatus according to claim 1 and 2, is characterized in that, the centre of the end face of described ram hammer body (7) is provided with groove, is provided with ram hammer Mass adjust-ment block (6) in described groove.
6. the washing machine top case impact test apparatus according to claim 1,2 or 3, it is characterized in that, described tight handle (8) of stopping is connected with speed reduction unit (13), described speed reduction unit (13) is worm type of reduction gearing, drives wire rope sheave (14) to rotate when tight handle (8) of stopping rotates by worm type of reduction gearing (13).
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| CN201310367583.7A CN103424321B (en) | 2013-08-21 | 2013-08-21 | Washing machine top case impact test apparatus |
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| CN201310367583.7A CN103424321B (en) | 2013-08-21 | 2013-08-21 | Washing machine top case impact test apparatus |
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| CN103424321B true CN103424321B (en) | 2015-12-23 |
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| CN105216356A (en) * | 2015-09-21 | 2016-01-06 | 重庆新铝城幕墙工程有限公司 | The supporting hold down gag of sash mitre-joint tapping machine |
| CN105571962A (en) * | 2016-03-01 | 2016-05-11 | 南京理工大学 | Falling hammer impact test device |
| CN107817176B (en) * | 2017-10-31 | 2019-12-06 | 宿州速果信息科技有限公司 | Stamping tester |
| CN108657938B (en) * | 2018-06-25 | 2024-09-20 | 上海荣泰健康科技股份有限公司 | Hoisting accessory and massage armchair detect frock |
| CN110686628A (en) * | 2019-10-12 | 2020-01-14 | 哈尔滨飞机工业集团有限责任公司 | Supporting device |
| CN113945451A (en) * | 2021-09-27 | 2022-01-18 | 东风延锋汽车饰件系统有限公司 | Electronic universal testing machine expansion clamp and mounting structure and using method thereof |
| CN113959655A (en) * | 2021-10-25 | 2022-01-21 | 上海机电工程研究所 | Performance test device and method for launching tube film front cover |
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