CN202329980U - Steel ball falling testing machine - Google Patents

Steel ball falling testing machine Download PDF

Info

Publication number
CN202329980U
CN202329980U CN2011205002857U CN201120500285U CN202329980U CN 202329980 U CN202329980 U CN 202329980U CN 2011205002857 U CN2011205002857 U CN 2011205002857U CN 201120500285 U CN201120500285 U CN 201120500285U CN 202329980 U CN202329980 U CN 202329980U
Authority
CN
China
Prior art keywords
base
steel ball
electromagnet
assembly
baffle plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN2011205002857U
Other languages
Chinese (zh)
Inventor
曹斯威
王鑫
常淘沙
位开拓
李文久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Shenzhou Tengyao Communication Technology Co Ltd
Original Assignee
Beijing Shenzhou Tengyao Communication Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Shenzhou Tengyao Communication Technology Co Ltd filed Critical Beijing Shenzhou Tengyao Communication Technology Co Ltd
Priority to CN2011205002857U priority Critical patent/CN202329980U/en
Application granted granted Critical
Publication of CN202329980U publication Critical patent/CN202329980U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The utility model relates to a steel ball falling testing machine. The testing machine comprises a bottom plate, a support, a steel ball absorption assembly, a coaming, a clamp assembly, a shielding assembly, an electrical cabinet, a control box, a first laser light, a photoelectric sensor, a guide rail and a second laser light. The steel ball falling testing machine has the beneficial effects that due to the adoption of the technical scheme, a platform clamping post for fixing mobile phones can be suitable for mobile phones with different sizes and can be adjusted in height so as to adapt to mobile phones with different thicknesses; a force application point can be selected randomly within the range of a screen of the mobile phone and is precise to be in +/-1mm; a secondary falling preventing assembly is simultaneously controlled by an air cylinder and electric magnet so that the condition of sudden power failure or gas failure is prevented; and an infrared sensor can be used for sensing the falling of a steel ball and starting up the secondary falling preventing assembly.

Description

A kind of steel ball drop machine
Technical field
The utility model relates to a kind of steel ball drop machine.
Background technology
Uncertain object is to the impact of mobile phone screen in the steel ball drop machine simulation daily life.Through the simulation of impact, with the resistivity of testing mobile phone screen portions (comprising screen and display driving part thereof) to external impacts.Along with development communication technologies and people constantly increase the demand of mobile phone, a lot of variations have taken place in the function of mobile phone, performance and structure aspects in recent years.Especially since iPhone appearance and widespread use, increasing giant-screen mobile phone has appearred, to satisfy consumer demand on the market.Because the increase gradually of mobile phone screen, the project of mobile phone screen reliability testing is increased thereupon, test index requires to improve constantly, and original testing apparatus can not meet the demands.
Existing steel ball drop test equipment is the common equipment that falls, and its function is:
1, fixedly secures mobile phone;
2, apply impulsive force in mobile phone front center point vertical direction;
3, impact stroke scalable;
4, change center of effort through changing the mobile phone fixed position among a small circle, make it aim at screen center.
The common limitation of falling equipment is:
1, fixedly the table position of mobile phone is non-adjustable;
2, steel ball falls along steel pipe, receives pipe friction, causes the kinetic energy reduction and departs from former whereabouts track;
3, regulating impact stroke wastes time and energy, and prolongs the test duration, and testing efficiency can't improve
4, center of effort can not be selected arbitrarily in the mobile phone screen scope, can't satisfy present stage testing standard requirement;
5, nothing prevents the secondary impact function.
Summary of the invention
In order to address the above problem, the purpose of the utility model provides a kind of easy to operate, and testing efficiency improves; Can select center of effort to apply impulsive force in the positive vertical direction of mobile phone; Use trackless falling, the original tube wall of maximized minimizing is to the friction of steel ball, and easier adjusting on falling height; Center of effort can be selected arbitrarily in the mobile phone screen scope; The laser aiming landing point, make impact position select can be accurately in ± 1mm; Mobile phone fixed station top increases baffle plate, can effectively prevent the steel ball drop machine of steel ball to the secondary impact on mobile phone surface.
The technical scheme of the utility model is: a kind of steel ball drop machine, this testing machine comprise base plate, support, steel ball absorption assembly, coaming plate, anchor clamps assembly, block assembly, electric box, operating case, first laser lamp, photoelectric sensor, guide rail and second laser lamp;
Said steel ball absorption assembly comprises electromagnet, electromagnet base, electromagnetism iron covering and steel ball;
SaidThe anchor clamps assembly comprises clamp base, anchor clamps shell, mobile phone clamp column, leading screw, handwheel, steps up handwheel, the longitudinal sliding motion knob, laterally sliding knob, step up leading screw, the axis of guide, up-down skewback and mobile clamping plate;
SaidBlock assembly comprise block base, cylinder, optical axis support, cylinder guidance axle, catch, linear bearing, lifting nut, baffle plate base, electromagnet stent, electromagnet, barrier support, the axis of guide, baffle plate, catch and extension spring reset;
Wherein, said support, coaming plate assembly, clamp base are set on the said base plate, block base and photoelectric sensor, said support be provided with said electric box, operating case, first laser lamp and Guide rail, said photoelectric sensor is arranged on said both sides of blocking base; Said electromagnet base settingSaid On the guide rail, move up and down along said guide rail, said electromagnet is arranged in the said electromagnet base, is fixed by said electromagnetism iron covering, and is saidSteel ball is by said ElectromagnetBe adsorbed on said The lower end of electromagnet base; Said second laser lamp is installed in the bottom of said support;
SaidThe anchor clamps shell is arranged on the said clamp base, and said longitudinal sliding motion knob is arranged on horizontal sliding knob SaidUse the horizontal and vertical displacement of the said anchor clamps shell of control on said clamp base on the anchor clamps shell, SaidMobile clamping plate are symmetricly set on the two ends in the said anchor clamps shell, and said mobile phone clamp column is located on the said mobile clamping plate, 2 SaidMove between the clamping plate the said axis of guide and the said leading screw that steps up are set, the said leading screw that steps up is connected with said clamping handwheel, and said clamping handwheel drives through the said leading screw that steps up SaidMove clamping plate and slide along the said axis of guide, said up-down skewback is arranged in the said anchor clamps shell, is connected with said handwheel through leading screw;
Said baffle plate base is installed in said blocking on the base through four said linear bearings; Said lifting nut is arranged on said blocking between base and the said baffle plate base; Regulate the upper and lower displacement of said baffle plate base; On the said baffle plate base said barrier support and electromagnet stent are set, said baffle plate is installed on the said barrier support through the said axis of guide; One end of said extension spring is connected with the end of said baffle plate, and the other end is connected with the front end of barrier support, and said baffle plate slides along the said axis of guide; Said baffle plate is provided with the said catch that resets, and said electromagnet is installed on the said electromagnet stent; Said optical axis support is arranged on said blocking on the base, and said cylinder guidance axle is arranged on the said optical axis support, and on said catch socket and the said cylinder guidance axle, said cylinder is connected the said catch of driving and moves forward and backward along said cylinder guidance axle with catch one end;
Said operating case is provided with and is used to control the electro-magnet switch that steel ball is put in the electromagnet suction; Be used to control the laser lamp switch of the light of said first laser lamp and second laser lamp emission; Be used to control said cylinder action reset cylinder switch; Whether block effective/invalid knob is used to control said sensor and effectively blocks effectively/invalid switch.
Further, also be provided with spring on the said linear bearing.
Further, this testing machine also comprises the road wheel that is installed in said base bottom.
The utility model beneficial effect is: owing to adopt technique scheme, the utlity model has following characteristics:
1, fixedly the platform clamp post of mobile phone can adapt to the mobile phone of different sizes, and can carry out height and regulate, to adapt to the mobile phone of different-thickness;
2, center of effort can be in the mobile phone screen scope be selected arbitrarily, accurately in ± 1mm;
3, prevent that secondary falls assembly and controlled simultaneously by cylinder and electromagnet, take place suddenly to prevent outage or to die;
4, but infrared ray sensor perception steel ball falls and starts anti-secondary to falling assembly;
Description of drawings:
Fig. 1 is the rear view of a kind of steel ball drop machine of the utility model.
Fig. 2 is the front view of a kind of steel ball drop machine of the utility model.
Fig. 3 is the structural representation of the absorption assembly of the utility model.
Fig. 4 is the section E-E synoptic diagram of the absorption assembly of the utility model.
Fig. 5 is the structural representation of the anchor clamps assembly of the utility model.
Fig. 6 is the section K-K synoptic diagram of the anchor clamps assembly of the utility model.
Fig. 7 is the structural representation that blocks assembly of the utility model.
Fig. 8 is the diagrammatic cross-section of blocking assembly of the utility model.
Fig. 9 is the structural representation of the electrical box of the utility model.
Among the figure:
1. base plate; 2. support; 3. steel ball adsorbs assembly; 4. coaming plate; 5. anchor clamps assembly; 6. block assembly; 7. electric box; 8. operating case; 9. first laser lamp; 10. photoelectric sensor; 11. guide rail; 12. road wheel; 13. second laser lamp; 3-1 first electromagnet; 3-2. electromagnet base; 3-3. electromagnetism iron covering; 3-4. steel ball; 5-1. clamp base; 5-2. anchor clamps shell; 5-3. mobile phone clamp column; 5-4. leading screw; The 5-5 handwheel; 5-6. step up handwheel; 5-7. longitudinal sliding motion knob; 5-8. horizontal sliding knob; 5-9. step up leading screw; 5-10. the axis of guide; 5-11. up-down skewback; 5-12. move clamping plate; 6-1. block base; 6-2. cylinder; 6-3. optical axis support; 6-4. cylinder guidance axle; 6-5. catch; 6-6. linear bearing; 6-7. lifting nut; 6-8. baffle plate base; 6-9. electromagnet stent; 6-10. second electromagnet; 6-11. barrier support; 6-12. the axis of guide; 6-13. baffle plate; The catch 6-14. reset; 6-15. extension spring; 6-16. spring; 8-1. electro-magnet switch; 8-2. laser lamp switch; 8-3. reset cylinder switch; 8-4. block effective/invalid switch.
Embodiment
Further specify below in conjunction with the technical scheme of accompanying drawing the utility model.
Shown in Fig. 1-9; A kind of steel ball drop machine of the utility model, this testing machine comprise base plate 1, support 2, steel ball absorption assembly 3, coaming plate 4, anchor clamps assembly 5, block assembly 6, electric box 7, operating case 8, first laser lamp 9, photoelectric sensor 10, guide rail 11, road wheel 12 and second laser lamp 13;
Wherein, steel ball absorption assembly 3 comprises the first electromagnet 3-1, electromagnet base 3-2, electromagnetism iron covering 3-3 and steel ball 3-4;
Anchor clamps assembly 5 comprises clamp base 5-1, anchor clamps shell 5-2, mobile phone clamp column 5-3, leading screw 5-4, handwheel 5-5, steps up handwheel 5-6, longitudinal sliding motion knob 5-7, laterally sliding knob 5-8, step up leading screw 5-9, axis of guide 5-10, up-down skewback 5-11 and mobile clamping plate 5-12;
Blocking assembly comprises and blocks base 6-1, cylinder 6-2, optical axis support 6-3, cylinder guidance axle 6-4, catch 6-5, linear bearing 6-6, lifting nut 6-7, baffle plate base 6-8, electromagnet stent 6-9, the second electromagnet 6-10, barrier support 6-11, axis of guide 6-12, baffle plate 6-13, the catch 6-14 that resets, extension spring 6-15 and 6-16 spring;
Support 2, coaming plate 4, clamp base 5-1 are set on the base plate 1 and block base 6-1, photoelectric sensor 10 is arranged on the both sides of blocking end 6-1, and support 2 is provided with electric box 7, operating case 8, first laser lamp 9,13 draws of second laser lamp Guide rail 11 Electromagnet base 3-2 is provided with on the guide rail 11, moves up and down along guide rail 11, and electromagnet 3-1 is arranged in the electromagnet base 3-2, and 3-3 fixes by the electromagnetism iron covering,Steel ball 3-4 by Electromagnet 3-1Be adsorbed on The lower end of electromagnet base 3-2;Anchor clamps shell 5-2 is arranged on the clamp base 5-1; Longitudinal sliding motion knob 5-7 is arranged on anchor clamps shell 5-2 with horizontal sliding knob 5-8 and goes up the horizontal and vertical displacement on clamp base 5-1 with control anchor clamps shell 5-2; 2 mobile clamping plate 5-12 are symmetricly set on the two ends in the anchor clamps shell 5-1; Mobile phone clamp column 5-3 is located at and moves on the clamping plate 5-12; Axis of guide 5-10 is set between 2 mobile clamping plate 5-12 and steps up leading screw 5-9, step up leading screw 5-9 and be connected, clamp handwheel 5-6 and drive through stepping up leading screw 5-9 with clamping handwheel 5-6 2Move clamping plate 5-12 and slide along axis of guide 5-10, up-down skewback 5-11 is arranged in the anchor clamps shell 5-2, is connected with handwheel 5-5 through leading screw 5-4;
Baffle plate base 6-8 is installed in through four linear bearing 6-6 and blocks on the base 6-1; Linear bearing 6-6 is provided with spring 6-16, and lifting nut 6-7 is arranged on and blocks between base 6-1 and the baffle plate base 6-8 controllable register base 6-8 upper and lower displacement; Barrier support 6-11 and electromagnet stent 6-9 are set on the baffle plate base 6-8; Barrier support 6-11 is provided with axis of guide 6-12, and baffle plate 6-13 is arranged on the axis of guide 6-12, and baffle plate 6-13 can slide along axis of guide 6-12; The end of extension spring 6-15 is connected with the end of baffle plate 6-13; The other end is connected with the front end of barrier support 6-11, and baffle plate 6-12 is provided with the catch 6-14 that resets, and the second electromagnet 6-10 is installed on the electromagnet stent 6-11; Optical axis support 6-3 is arranged on and blocks on the base 6-1, and cylinder guidance axle 6-4 is arranged on the optical axis support 6-3, and catch 6-5 is installed on the cylinder guidance axle 6-4, and cylinder 6-2 is connected with catch 6-5 one end, drives catch 6-5 and moves forward and backward along cylinder guidance axle 6-4;
Operating case 8 is provided with and is used to control the electro-magnet switch 8-1 that steel ball is put in the electromagnet suction; Be used to control the laser lamp switch 8-2 of the light of first laser lamp 9 and 13 emissions of second laser lamp; Be used to control said cylinder 6-2 action reset cylinder switch 8-3; Be used to control photoelectric sensor 10 and detect whether effectively block effective/invalid switch 8-4, electric box 7 whole devices provide power.
The principle of work of the utility model:
During test; At first equipment is carried out horizontal adjustment, can accurately drop on the aiming point, under the unimpeded situation of source of the gas to guarantee steel ball 3-5; Start and be positioned at operating case 8 upper cylinder reset switch 8-2; Start cylinder 6-2 and promote the catch 6-14 that resets on the baffle plate 6-13 through catch 6-5, baffle plate 6-13 is resetted, extension spring this moment 6-15 is elongated.Regulate on the operating case 8 and block knob to blocking invalid gear; Carrying out mobile phone then is installed; Mobile phone is placed on the mobile phone clamp column 5-3 that clamps assembly 3 anchor clamps shell 5-2; Rotation clamps handwheel 5-6 through stepping up leading screw 5-9 drive installation after mobile phone clamp column 5-3 on the mobile clamping plate 5-12 clamps, and rotates the vertical and horizontal position of longitudinal sliding motion knob 5-7 and horizontal sliding knob 5-8 alignment jig shell 5-2, regulates height through handwheel 5-5; Unscrew the handle of locking steel ball absorption assembly 3; Manually move steel ball absorption assembly 3, move to desired height after the rotational lock handle it is locked, laser lamp 8-1 and will the block effectively/invalid switch 8-4 that opens the light transfers to and blocks effectively on the open operation box 8; The 1st laser lamp 9 and second laser lamp 13 are launched a light respectively; Article two, the formed point of crossing of light is exactly the pick-up point of steel ball 3-4 on the absorption assembly 3, and the electro-magnet switch 8-1 on the open operation box 8 to be to start the first electromagnet 3-1, and it is fixing with steel ball 3-4 absorption steel ball 3-4 to be adsorbed in the central channel of the first electromagnet 3-1 absorption electromagnet 6-10; Pressing electro-magnet switch 8-1 once more lost efficacy with steel ball 3-4 release the carrying out impact of mobile phone screen electromagnet 3-1; Photoelectric sensor 10 detects the position that steel ball 3-4 falls when steel ball 3-4 falls, and touches the second electromagnet 6-10 and can cut off the power supply at once and by extension spring 6-15 baffle plate 6-13 is pulled out, and steel ball carried out one-shot to mobile phone screen and upspring this moment; Baffle plate 6-13 blocks mobile phone screen afterwards, avoids test ball to impacting injury the second time of mobile phone screen with this.

Claims (3)

1. steel ball drop machine; It is characterized in that this testing machine comprises base plate (1), support (2), steel ball absorption assembly (3), coaming plate (4), anchor clamps assembly (5), blocks assembly (6), electric box (7), operating case (8), first laser lamp (9), photoelectric sensor (10), guide rail (11) and second laser lamp (13);
Said steel ball absorption assembly (3) comprises first electromagnet (3-1), electromagnet base (3-2), electromagnetism iron covering (3-3) and steel ball (3-5);
Said anchor clamps assembly (5) comprises clamp base (5-1), anchor clamps shell (5-2), mobile phone clamp column (5-3), leading screw (5-4), handwheel (5-5), steps up handwheel (5-6), longitudinal sliding motion knob (5-7), laterally sliding knob (5-8), step up leading screw (5-9), the axis of guide (5-10), up-down skewback (5-11) and mobile clamping plate (5-12);
Said block assembly (6) comprise block base (6-1), cylinder (6-2), optical axis support (6-3), cylinder guidance axle (6-4), catch (6-5), linear bearing (6-6), lifting nut (6-7), baffle plate base (6-8), electromagnet stent (6-9), second electromagnet (6-10), barrier support (6-11), the axis of guide (6-12), baffle plate (6-13), the catch that resets (6-14) and extension spring (6-15));
Wherein, (1) is equipped with said support (2), coaming plate assembly (4), clamp base (5-1), blocks base (6-1) and photoelectric sensor (10) on the said base plate; Said support (2) is provided with said electric box (7), operating case (8), first laser lamp (9), guide rail (11) and second laser lamp (13), and said photoelectric sensor (10) is arranged on said both sides of blocking base (6-1); Said electromagnet base (3-2) is provided with on the said guide rail (11); Move up and down along said guide rail (11); Said first electromagnet (3-1) is arranged in the said electromagnet base (3-2); Fixing by said electromagnetism iron covering (3-3), said steel ball (3-4) is adsorbed on the lower end of said electromagnet base (3-2) by said first electromagnet (3-1);
Said anchor clamps shell (5-2) is arranged on the said clamp base (5-1); Said longitudinal sliding motion knob (5-7) and horizontal sliding knob (5-8) are arranged on said anchor clamps shell (5-2) and go up with the horizontal and vertical displacement of control said anchor clamps shell (5-2) on said clamp base (5-1); Said mobile clamping plate (5-12) are symmetricly set on the two ends in the said anchor clamps shell (5-2); Said mobile phone clamp column (5-3) is located on the said mobile clamping plate (5-12); The said axis of guide (5-10) and the said leading screw (5-9) that steps up are set between 2 said mobile clamping plate (5-12); The said leading screw (5-9) that steps up is connected with said clamping handwheel (5-6); Said clamping handwheel (5-6) drives said mobile clamping plate (5-12) along the said axis of guide (5-10) slip through the said leading screw (5-9) that steps up, and said up-down skewback (5-11) is arranged in the said anchor clamps shell (5-2), is connected with said handwheel (5-5) through leading screw (5-4);
Said baffle plate base (6-8) is installed in said blocking on the base (6-1) through four said linear bearings (6-6); Said lifting nut (6-7) is arranged on said blocking between base (6-1) and the said baffle plate base (6-8); Regulate said baffle plate base (6-8) upper and lower displacement; Said barrier support (6-11) and electromagnet stent (6-9) are set on the said baffle plate base (6-8); Said baffle plate (6-13) is installed on the said barrier support (6-11) through the said axis of guide (6-12); One end of said extension spring (6-15) is connected with the end of said baffle plate (6-13), and the other end is connected with the front end of barrier support (6-11), drives said baffle plate (6-13) and slides along the said axis of guide (6-12); Said baffle plate (6-13) is provided with the said catch that resets (6-14), and said second electromagnet (6-10) is installed on the said electromagnet stent (6-9); Said optical axis support (6-3) is arranged on said blocking on the base (6-1); Said cylinder guidance axle (6-4) is arranged on the said optical axis support (6-3); On (6-5) socket of said catch and the said cylinder guidance axle (6-4), said cylinder (6-2) is connected the said catch of driving (6-5) and moves forward and backward along said cylinder guidance axle (6-4) with catch (6-5) end;
Said operating case (8) is provided with and is used to control the electro-magnet switch (8-1) that steel ball is put in the electromagnet suction; Be used to control the laser lamp switch (8-2) of the light of said laser lamp (9) emission; Be used to control said cylinder (6-2) action reset cylinder switch (8-3); Block effectively/whether invalid knob be used to control said photoelectric sensor (10) and detect and effectively block effectively/invalid knob (8-4).
2. steel ball drop machine according to claim 1 is characterized in that, also is provided with spring (6-16) on the said linear bearing (6-6).
3. steel ball drop machine according to claim 1 and 2 is characterized in that, this testing machine also comprises the road wheel (12) that is installed in said base (1) bottom.
CN2011205002857U 2011-12-05 2011-12-05 Steel ball falling testing machine Withdrawn - After Issue CN202329980U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205002857U CN202329980U (en) 2011-12-05 2011-12-05 Steel ball falling testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205002857U CN202329980U (en) 2011-12-05 2011-12-05 Steel ball falling testing machine

Publications (1)

Publication Number Publication Date
CN202329980U true CN202329980U (en) 2012-07-11

Family

ID=46441958

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205002857U Withdrawn - After Issue CN202329980U (en) 2011-12-05 2011-12-05 Steel ball falling testing machine

Country Status (1)

Country Link
CN (1) CN202329980U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393289A (en) * 2011-12-05 2012-03-28 北京神州腾耀通信技术有限公司 Steel ball drop test machine
CN103323206A (en) * 2013-06-26 2013-09-25 无锡明珠钢球有限公司 Steel ball falling detection device with pyramid outline structure
CN103323207A (en) * 2013-06-26 2013-09-25 无锡明珠钢球有限公司 Device used for free fall of steel balls
CN103344403A (en) * 2013-06-26 2013-10-09 无锡明珠钢球有限公司 Novel test device for steel ball
CN103344404A (en) * 2013-06-26 2013-10-09 无锡明珠钢球有限公司 Bi-directional conveying-type steel ball falling device
CN104655384A (en) * 2013-11-22 2015-05-27 珠海格力电器股份有限公司 Shear-resistant strength detection device and method for integrated air deflector
CN104749050A (en) * 2015-04-01 2015-07-01 南华大学 Particle impact loading device
CN106768780A (en) * 2017-01-03 2017-05-31 京东方科技集团股份有限公司 Bead drop test device
CN107132020A (en) * 2017-05-24 2017-09-05 天能电池集团有限公司 A kind of cell jar apparatus for impact testing

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393289A (en) * 2011-12-05 2012-03-28 北京神州腾耀通信技术有限公司 Steel ball drop test machine
CN102393289B (en) * 2011-12-05 2013-08-21 北京神州腾耀通信技术有限公司 Steel ball drop test machine
CN103323206A (en) * 2013-06-26 2013-09-25 无锡明珠钢球有限公司 Steel ball falling detection device with pyramid outline structure
CN103323207A (en) * 2013-06-26 2013-09-25 无锡明珠钢球有限公司 Device used for free fall of steel balls
CN103344403A (en) * 2013-06-26 2013-10-09 无锡明珠钢球有限公司 Novel test device for steel ball
CN103344404A (en) * 2013-06-26 2013-10-09 无锡明珠钢球有限公司 Bi-directional conveying-type steel ball falling device
CN104655384A (en) * 2013-11-22 2015-05-27 珠海格力电器股份有限公司 Shear-resistant strength detection device and method for integrated air deflector
CN104655384B (en) * 2013-11-22 2017-03-15 珠海格力电器股份有限公司 Integrated guide aerofoil shear strength detection means and detection method
CN104749050A (en) * 2015-04-01 2015-07-01 南华大学 Particle impact loading device
CN106768780A (en) * 2017-01-03 2017-05-31 京东方科技集团股份有限公司 Bead drop test device
CN107132020A (en) * 2017-05-24 2017-09-05 天能电池集团有限公司 A kind of cell jar apparatus for impact testing

Similar Documents

Publication Publication Date Title
CN102393289B (en) Steel ball drop test machine
CN202329980U (en) Steel ball falling testing machine
CN205278973U (en) LED (Light -Emitting diode) street lamp convenient for maintenance
JP6795232B1 (en) LED lighting device
CN205100125U (en) Intelligent road construction attention device
CN202009181U (en) Mounting device for isolating switch mechanism case
CN219241404U (en) Glass curtain wall installs positioner
CN111787427A (en) Same as communication equipment basic station installation complementary unit of 5G construction
CN207196291U (en) A kind of LED street lamp of adjustable-angle
CN208670648U (en) A kind of interim solar street light easy to remove
CN205404084U (en) Light path testing arrangement
CN202946860U (en) Lighting lens device capable of adjusting directions comprehensively
CN205801170U (en) A kind of stage computer lamp auxiliary carrying platform structure
CN208918469U (en) A kind of highway bridge construction drilling platform
CN209066963U (en) A kind of connection idler wheel for spliced cabinet substation
CN206252775U (en) A kind of multi-functional device for high jump
CN111963994A (en) Novel solar lamp
CN111993916A (en) Cantilever type lifting electric automobile charging pile
CN104536468A (en) Alignment adjusting device used for radiation sensor on sun follower
CN104117764B (en) Automatic welding device and automatic soldering method
CN215598678U (en) Mechanical strength testing device for outdoor lamp lens
CN207184489U (en) A kind of automatic coupling light device
CN219177261U (en) Vehicle-mounted cradle head camera support structure with electric lifting rod at top
CN203640251U (en) Climbing type building construction operating platform outside building
CN108133677A (en) A kind of amorphous silicon solar energy plate erecting device for outdoor advertisement lighthouse

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20120711

Effective date of abandoning: 20130821

RGAV Abandon patent right to avoid regrant