CN203595593U - Novel case drop hammer impact testing machine - Google Patents
Novel case drop hammer impact testing machine Download PDFInfo
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- CN203595593U CN203595593U CN201320723638.9U CN201320723638U CN203595593U CN 203595593 U CN203595593 U CN 203595593U CN 201320723638 U CN201320723638 U CN 201320723638U CN 203595593 U CN203595593 U CN 203595593U
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- hammer
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- drops hammer
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Abstract
The utility model discloses a novel case drop hammer impact testing machine. The testing machine comprises an equipment frame, an up-down adjusting platform, a drop hammer clamp assembly, a drop hammer assembly and a secondary-impact-preventing drop hammer clamping mechanism. The equipment frame is connected with the up-down adjusting platform by lead screws, and a case clamping mechanism is mounted on the up-down adjusting platform. Each of left and right sides of a crossbeam at the middle part of the equipment frame is provided with a motor to ensure the lead screws between the adjusting platform and the crossbeam to move synchronously. The lead screws rotate under the driving of the motors. A sensor, a damper, a clamping cylinder and a drop hammer guiding shaft are also mounted on the crossbeam. The drop hammer guiding shaft is connected with the drop hammer assembly. The drop hammer assembly is connected with a rodless cylinder by a connection block, and a clamp seat is connected with the drop hammer guiding shaft, thereby achieving the power transmission and the operation of the testing machine. Besides, the testing machine has an automatic control system, such that the height of the adjusting platform can be automatically controlled. The testing machine provided by the utility model is capable of effectively preventing secondary impacts caused by the drop hammer.
Description
Technical field
The utility model relates to a kind of novel case and bag drop hammer impact testing machine, adopts a kind of novel case and bag fixture for testing, efficiently solves the test problem of case and bag drop impact.Being applicable to all kinds of case and bag drop impacts detects.
This equipment belongs to case and bag quality testing field.
Technical background
Case and bag are everyone requisite instruments while going on a journey, and any quality problems that case and bag in use occur all can be brought a lot of unnecessary troubles to user.It is one of the emphasis in case and bag quality testing field that case and bag drop impact detects.
At present, most of case and bag drop impact assay device structures is simple, and the repeatability of impact process is poor, seldom has the secondary pulse problem of dropping hammer of considering, secondary pulse has produced extremely adverse influence to experimental result, cannot judge sometimes the result of impact.During to drop impact, the judgement of the degree of injury of case and bag has brought certain difficulty.
the content of utility model
The defect that the utility model exists case and bag drop impact checkout equipment, a kind of novel case and bag drop hammer impact testing machine is provided, this testing machine can as required, be adjusted by apparatus for automatically lifting tested case and bag automatically, and the height of adjustment is controlled automatically by control system.On equipment, be equipped with lifting grip module, will drop hammer to clamp by the folding of grip module and loosen, in the time that mechanical arm clamping is dropped hammer, rise to certain height by lifting cylinder, then mechanical arm loosens, and drops hammer and freely falls under the effect of gravity, and tested case and bag are realized to drop impact.Equipment configuration prevents secondary pulse device, can effectively prevent the secondary pulse problem in drop impact process, makes it measurement result more accurate, reaches standard-required.This testing machine can robotization control simultaneously.
For achieving the above object, design of the present utility model is: utilize the grip module that drops hammer to clip to the assembly that drops hammer of different feather weight the height that rises to requirement, power resources are transmitted by leading screw in motor, drop hammer and fall, case and bag are impacted, after one-shot, the anti-secondary pulse clamp system that drops hammer rapidly clamps and drops hammer, and the bounce-back that prevents from dropping hammer produces follow-up secondary pulse.Sensor is housed on motor rack and can measures the height of motor plate, feed back to computing machine, realize the robotization of adjusting platform lifting.
According to the new design of above-mentioned utility model, the technical solution adopted in the utility model is as follows:
A kind of novel case and bag drop hammer impact testing machine, comprise: device framework, adjust platform, case and bag clamp system, the assembly that drops hammer up and down, drop hammer grip module and anti-secondary pulse drop hammer clamp system, it is characterized in that: described device framework is four-post frame frame two pairs of parallel vertical axis of guides of bottom fixed installation; Described parallel axis of guide upper sliding sleeve is installed the described platform of adjusting up and down, and described case and bag clamp system is arranged on described adjustment up and down on platform; Described device framework upper vertical is fixed the vertical guide pole of a Rodless cylinder and pair of parallel, grip module drops hammer described in installing above described Rodless cylinder, the pincers assembly that drops hammer described in playing below the described grip module that drops hammer, described in the assembly that drops hammer coordinate with guide pole sliding sleeve; There is crossbeam at described device framework middle part, and described anti-secondary pulse drop hammer clamp system and described two drive motor that are synchronized with the movement adjusting up and down platform are installed below this crossbeam; Described case and bag clamp system is arranged on described adjustment platform.
The described structure of adjusting up and down platform is: the described platform the right and left of adjusting is up and down equipped with leading screw; The screw thread of described leading screw screws with the screw of upper and lower capable of regulating platform; The upper end of described leading screw is connected with the motor that is fixedly mounted on crossbeam by shaft coupling.
The structure of described case and bag clamp system is: the described feed screw nut pair of adjusting up and down platform inside and be provided with pair of parallel, has two pairs of leading screws and two pairs of left-and-right spiral nuts to screw; On described left-and-right spiral nut, pressing plate is connected with two pairs by web member, a control hand wheel is equipped with in the rhizoid thick stick one end in two rhizoid thick sticks; Adjust up and down platform both sides sliding sleeve described two pairs of parallel vertical axis of guides are installed.
The described grip module that drops hammer is made up of clamp base, clamp connecting rod, holder arms, link pin, cylinder connector, cylinder and holder.Described clamp base is fixedly mounted on a contiguous block, and described contiguous block is arranged on described Rodless cylinder; On described clamp base, be connected with clamp connecting rod by link pin, clamp connecting rod and holder arms are hinged, and cylinder is fixedly mounted on holder, and holder is fixedly connected with clamp base, and the push rod of cylinder is fixedly connected with cylinder connector;
The described assembly that drops hammer comprises the vertical rod of dropping hammer, the base that drops hammer, axle and the counterweight that drops hammer drop hammer, the described vertical rod of dropping hammer is fixedly mounted on drops hammer on base, axle drops hammer described in connecting by pair of bearings on the described base that drops hammer, the base downside that drops hammer is connected with the counterweight that drops hammer by spring, described in the base that drops hammer be arranged on vertical guide pole by flange linear bearing.
The drop hammer structure of clamp system of described anti-secondary pulse is: described crossbeam downside is provided with a pair of clamping cylinder; Described a pair of clamping cylinder tailpiece of the piston rod is equipped with a pair of semilune clamp.
Case and bag drop hammer impact testing machine of the present utility model compared with the prior art, has following apparent high-lighting feature and significantly technical progress: the shock-testing high consistency that can have school and guarantee the case and bag of different size; Can effectively prevent the secondary pulse problem of dropping hammer and producing; The position that can guarantee shock point is basically identical, has effectively guaranteed the repeatability of shock-testing.Sensor can be monitored motor rack height effectively, automatically adjusts the height of platform.
Accompanying drawing explanation
Fig. 1 is novel case and bag drop hammer impact testing machine general structure schematic diagram.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is grip module (13) structural representation that drops hammer.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the structural representation of assembly (7) of dropping hammer.
Fig. 7 is the vertical view of Fig. 6.
Embodiment
Preferred embodiment accompanying drawings of the present utility model is as follows:
Embodiment mono-:
Referring to Fig. 1 ~ Fig. 7, this novel case and bag drop hammer impact testing machine, comprising: device framework 1, adjust platform 2, case and bag clamp system 10, the assembly 7 that drops hammer up and down, drop hammer grip module 13 and anti-secondary pulse drop hammer clamp system, it is characterized in that:
Described in 1, device framework 1 is four-post frame frame, two pairs of parallel vertical axis of guides 3 of bottom fixed installation; The described parallel axis of guide 3 upper sliding sleeves are installed the described platform 2 of adjusting up and down, and described case and bag clamp system 10 is arranged on described adjustment up and down on platform 2;
Described in 2, device framework 1 upper vertical is fixed the vertical guide pole 14 of a Rodless cylinder 5 and pair of parallel, grip module 13 drops hammer described in the installation above of described Rodless cylinder 5, the described grip module 13 pincers assembly 7 that drops hammer described in playing below that drops hammer, described in the assembly 7 that drops hammer coordinate with guide pole 14 sliding sleeves;
Described in 3, there is crossbeam 8 at device framework 1 middle part, and this crossbeam 8 is installed described anti-secondary pulse drop hammer clamp system 12 and described two drive motor that are synchronized with the movement 4,19 of adjusting up and down platform 2 below;
Described in 4, case and bag clamp system 10 is arranged on described adjustment platform 2;
Embodiment bis-:
The present embodiment and embodiment mono-are basic identical, and special feature is as follows: the described structure of adjusting up and down platform 2 is: described platform 2 the right and lefts of adjusting are up and down equipped with leading screw (17,18); The screw thread of described leading screw 17,18 screws with the screw of upper and lower capable of regulating platform 2; The upper end of described leading screw 17,18 is connected with the motor 4,19 that is fixedly mounted on crossbeam 8 by shaft coupling.The structure of described case and bag clamp system 10 is: the described feed screw nut pair 15 of adjusting up and down platform 2 inside and be provided with pair of parallel, has two pairs of leading screws and two pairs of left-and-right spiral nuts to screw; On described left-and-right spiral nut, pressing plate 16 is connected with two pairs by web member, a control hand wheel 11 is equipped with in the rhizoid thick stick one end in two rhizoid thick sticks; Adjust up and down platform 2 both sides sliding sleeves described two pairs of parallel vertical axis of guides 3 are installed.The described grip module 13 that drops hammer is made up of clamp base 13-1, clamp connecting rod 13-2, holder arms 13-3, link pin 13-4, cylinder connector 13-5, cylinder 13-6 and holder 13-7.Described clamp base 13-1 is fixedly mounted on a contiguous block 6, and described contiguous block 6 is arranged on described Rodless cylinder 5; Described clamp base 13-1 is upper to be connected with clamp connecting rod 13-2 by link pin 13-4, clamp connecting rod 13-2 and holder arms 13-3 are hinged, cylinder 13-6 is fixedly mounted on holder 13-7, holder 13-7 is fixedly connected with clamp base 13-1, and the push rod of cylinder 13-6 is fixedly connected with cylinder connector 13-5; The described assembly 7 that drops hammer comprises the vertical rod 7-3 that drops hammer, the base 7-1 that drops hammer, axle 7-2 and the counterweight 7-4 that drops hammer drop hammer, the described vertical rod 7-3 that drops hammer is fixedly mounted on and drops hammer on base 7-1, axle 7-2 drops hammer described in the described base 7-1 that drops hammer above connects by pair of bearings, the base 7-1 downside that drops hammer is connected with the counterweight 7-4 that drops hammer by spring, described in the base 7-1 that drops hammer be arranged on vertical guide pole 14 by flange linear bearing.The drop hammer structure of clamp system 10 of described anti-secondary pulse is: described crossbeam 8 downsides are provided with a pair of clamping cylinder 12; Described a pair of clamping cylinder 12 tailpieces of the piston rod are equipped with a pair of semilune clamp 9
Embodiment tri-:
Referring to Fig. 1,2,3, the structure of this novel case and bag drop hammer impact testing machine comprises: device framework 1, adjust platform 2, case and bag clamp system 10, the assembly 7 that drops hammer up and down, drop hammer grip module 13 and anti-secondary pulse drop hammer clamp system, it is characterized in that: described in 1, device framework 1 is four-post frame frame two pairs of parallel vertical axis of guides 3 of described device framework 1 bottom fixed installation; Described 2, one the case and bag clamp systems 10 of platform of adjusting are up and down installed on the described parallel axis of guide 3 and are arranged on described adjustment up and down on platform; Described in 2, device framework 1 upper vertical is fixed the vertical guide pole 14 of a Rodless cylinder 5 and pair of parallel, described Rodless cylinder 5 grip module 13 that drops hammer described in installing above, described in the grip module 13 pincers assembly 7 that drops hammer described in playing below that drops hammer; Described in 3, there is crossbeam 8 at device framework 1 middle part, and this crossbeam 8 is installed described anti-secondary pulse drop hammer clamp system 12 and described two drive motor that are synchronized with the movement adjusting up and down platform 2 below; Described in 4, case and bag clamp assembly is arranged on described adjustment platform 2.In test process time, tested case and bag place adjusting up and down on platform 2, are clamped, according to the required impulsive force of tested case and bag by case and bag clamp system 10, by clamping and the release of the drop hammer assembly 7 of grip module 13 to different feather weight that drop hammer, realize the test to case and bag impact resistance; Drop hammer and pound the moment of dropping on case and bag, by the clamping of clamp system to the assembly 7 that drops hammer of dropping hammer of anti-secondary pulse, prevent follow-up secondary pulse.
Described platform 2 the right and lefts of adjusting are up and down equipped with leading screw (17,18); The screw thread of described leading screw 17,18 screws with the screw of upper and lower capable of regulating platform 2; The upper end of described leading screw 17,18 is connected with the motor 4,19 that is fixedly mounted on crossbeam 8 by shaft coupling; When motor 4,19 synchronous working, drive adjustment platform 2 to move up and down along the parallel vertical axis of guide 3 by screw mandrel 17,18 power;
Describedly adjust up and down 15, two pairs of leading screws 10 of feed screw nut pair and the two pairs of left-and-right spiral nuts that platform 2 inside are provided with pair of parallel and screw; On described left-and-right spiral nut, pressing plate 16 is connected with two pairs by web member, a control hand wheel 11 is equipped with in rhizoid thick stick 10 one end; Adjust up and down platform 2 both sides two pairs of parallel vertical axis of guides 3 are installed, make to adjust up and down platform 2 by shake handwheel 11 and move up and down along the parallel vertical axis of guide 3;
Referring to Fig. 4,5, described in the grip module 13 that drops hammer formed by clamp base 13-1, clamp connecting rod 13-2, holder arms 13-3, link pin 13-4, cylinder connector 13-5 and holder 13-6.Described clamp base 13-1 is fixedly mounted on contiguous block 6; Described contiguous block 6 is arranged on Rodless cylinder 5; Described clamp base 13-1 is upper to be connected with clamp connecting rod 13-2 by link pin 13-4, and clamp connecting rod 13-2 is connected with holder arms 13-3.Described cylinder push-rod shrinks and drives described cylinder connector 13-5, drives described clamp connecting rod 13-2 to shrink by described link pin 13-4, and holder arms 13-3 is tightened up, and in order to the assembly 7 that drops hammer described in clamping, completes the whereabouts of dropping hammer.
Referring to Fig. 6,7, described in the assembly 7 that drops hammer formed by the vertical rod 7-3 that drops hammer, drop hammer base 7-1 and the axle 7-2 that drops hammer.The described vertical rod 7-3 that drops hammer is fixedly mounted on and drops hammer on base 7-1, the described base 7-1 that drops hammer is upper connects the axle 7-2 that drops hammer by pair of bearings, the base 7-1 downside that drops hammer is connected with the counterweight 7-4 that drops hammer by spring, described in the base 7-1 that drops hammer be arranged on guide pole 14 by flange linear bearing.While dropping hammer, the base 7-1 that drops hammer falls along guide pole 14 straight lines.
The course of work: utilize two pairs of pressing plates 16 to be fixedly clamped to test case and bag on adjustment platform 2, by the sensor on crossbeam 8, automatically adjust the position of controlling adjustment platform 2, thereby realize robotization.Motor 4,19 passes to moving component by power by leading screw 17,18, the utilization grip module 13 that drops hammer clips to the counterweight 7-4 that drops hammer of different feather weight the height that rises to requirement, the release counterweight 7-4 that drops hammer, the 7-4 that drops hammer falls along the axis of guide 14 that drops hammer, and makes the impact site of case and bag aim to drop hammer and falls place.While falling, clamping cylinder 12 stretches out clamp 9 and clamps the counterweight 7-4 that drops hammer, and one-shot completes, and records result.Control motor, the preparation of lifting grip module is dropped hammer and is prepared next impact.Until complete the test number (TN) of setting, off-test.
Claims (6)
1. a novel case and bag drop hammer impact testing machine, comprise: device framework (1), adjust platform (2), case and bag clamp system (10), the assembly that drops hammer (7), the grip module that drops hammer (13) and the anti-secondary pulse clamp system that drops hammer up and down, it is characterized in that:
1) described device framework (1) is four-post frame frame, two pairs of parallel vertical axis of guides (3) of bottom fixed installation; The described parallel axis of guide (3) upper sliding sleeve is installed the described platform (2) of adjusting up and down, and described case and bag clamp system (10) is arranged on described adjustment up and down on platform (2);
2) described device framework (1) upper vertical is fixed the vertical guide pole (14) of a Rodless cylinder (5) and pair of parallel, described Rodless cylinder (5) grip module (13) that drops hammer described in installing above, the described grip module that drops hammer (13) clamps the assembly (7) that drops hammer described in playing below, described in the assembly (7) that drops hammer coordinate with guide pole (14) sliding sleeve;
3) described device framework (1) middle part has crossbeam (8), this crossbeam (8) that described anti-secondary pulse drop hammer clamp system (12) and described two drive motor that are synchronized with the movement (4,19) of adjusting up and down platform (2) are installed below;
4) described case and bag clamp system (10) is arranged on described adjustment platform (2).
2. novel case and bag drop hammer impact testing machine according to claim 1, is characterized in that: the described structure of adjusting up and down platform (2) is: described platform (2) the right and left of adjusting is up and down equipped with leading screw (17,18); The screw thread of described leading screw (17,18) screws with the screw of upper and lower capable of regulating platform (2); The upper end of described leading screw (17,18) is connected with the motor (4,19) that is fixedly mounted on crossbeam (8) by shaft coupling.
3. novel case and bag drop hammer impact testing machine according to claim 2, the structure that it is characterized in that described case and bag clamp system (10) is: the described feed screw nut pair (15) of adjusting up and down platform (2) inside and be provided with pair of parallel, has two pairs of leading screws and two pairs of left-and-right spiral nuts to screw; On described left-and-right spiral nut, pressing plate (16) is connected with two pairs by web member, a control hand wheel (11) is equipped with in the rhizoid thick stick one end in two rhizoid thick sticks; Adjust up and down platform (2) both sides sliding sleeve described two pairs of parallel vertical axis of guides (3) are installed.
4. novel case and bag drop hammer impact testing machine according to claim 1, is characterized in that: described in the grip module (13) that drops hammer formed by clamp base (13-1), clamp connecting rod (13-2), holder arms (13-3), link pin (13-4), cylinder connector (13-5), cylinder (13-6) and holder (13-7); It is upper that described clamp base (13-1) is fixedly mounted on a contiguous block (6), and described contiguous block (6) is arranged on described Rodless cylinder (5); Described clamp base (13-1) is upper to be connected with clamp connecting rod (13-2) by link pin (13-4), clamp connecting rod (13-2) is hinged with holder arms (13-3), cylinder (13-6) is fixedly mounted on holder (13-7), holder (13-7) is fixedly connected with clamp base (13-1), and the push rod of cylinder (13-6) is fixedly connected with cylinder connector (13-5).
5. novel case and bag drop hammer impact testing machine according to claim 1, it is characterized in that: described in the assembly (7) that drops hammer comprise the vertical rod of dropping hammer (7-3), base (7-1) drops hammer, axle (7-2) and the counterweight that drops hammer (7-4) drop hammer, the described vertical rod of dropping hammer (7-3) is fixedly mounted on the base that drops hammer (7-1), axle (7-2) drops hammer described in the described base that drops hammer (7-1) above connects by pair of bearings, base (7-1) downside that drops hammer is connected with the counterweight that drops hammer (7-4) by spring, the described base that drops hammer (7-1) is arranged on vertical guide pole (14) by flange linear bearing.
6. novel case and bag drop hammer impact testing machine according to claim 1, is characterized in that: the drop hammer structure of clamp system (10) of described anti-secondary pulse is: described crossbeam (8) downside is provided with a pair of clamping cylinder (12); Described a pair of clamping cylinder (12) tailpiece of the piston rod is equipped with a pair of semilune clamp (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723638.9U CN203595593U (en) | 2013-11-13 | 2013-11-13 | Novel case drop hammer impact testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723638.9U CN203595593U (en) | 2013-11-13 | 2013-11-13 | Novel case drop hammer impact testing machine |
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| CN203595593U true CN203595593U (en) | 2014-05-14 |
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| CN201320723638.9U Expired - Fee Related CN203595593U (en) | 2013-11-13 | 2013-11-13 | Novel case drop hammer impact testing machine |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104132859A (en) * | 2014-07-25 | 2014-11-05 | 张家港三久箱包有限公司 | Delivery inspection apparatus for luggage cases |
| CN104568358A (en) * | 2014-11-26 | 2015-04-29 | 芜湖福马汽车零部件有限公司 | Impact test device for automobile chassis casting |
| CN104865041A (en) * | 2015-04-27 | 2015-08-26 | 东莞市恒宇仪器有限公司 | Luggage oscillation and impact testing machine |
| CN106017942A (en) * | 2016-05-18 | 2016-10-12 | 奇瑞汽车股份有限公司 | Weight placing platform structure for automobile seat backrest test |
| CN106124154A (en) * | 2016-08-26 | 2016-11-16 | 天津利福特电梯部件有限公司 | Elevator counterweight block is thrown and is fallen testing machine |
| CN106885675A (en) * | 2017-04-12 | 2017-06-23 | 浙江大学城市学院 | Lumbar vertebrae bone bursting fracture analog machine |
| CN107328544A (en) * | 2017-08-28 | 2017-11-07 | 北京沃华慧通测控技术有限公司 | Anti- secondary pulse device and impact test equipment |
| CN107389442A (en) * | 2017-08-28 | 2017-11-24 | 北京沃华慧通测控技术有限公司 | Clipping anti-secondary pulse device and shock machine |
| CN107462479A (en) * | 2017-08-02 | 2017-12-12 | 中国地震局工程力学研究所 | Test platform and drop weight test method for drop hammer tester |
| CN108287108A (en) * | 2018-05-09 | 2018-07-17 | 林铭源 | One kind preventing secondary damage impact test instrument |
| CN108443584A (en) * | 2018-04-17 | 2018-08-24 | 佘峰 | A kind of pipeline support frame for petroleum refining |
| CN108760213A (en) * | 2018-08-21 | 2018-11-06 | 福州艾斯佩克检测设备有限公司 | One kind can vertical-horizontal sine orientation vibration testing device |
| CN108931447A (en) * | 2018-08-01 | 2018-12-04 | 格力电器（武汉）有限公司 | Impact testing machine |
| CN109238881A (en) * | 2018-08-10 | 2019-01-18 | 上海大学 | A kind of armpit turns impact strength test machine |
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2013
- 2013-11-13 CN CN201320723638.9U patent/CN203595593U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104132859B (en) * | 2014-07-25 | 2017-03-01 | 谢彩红 | A kind of luggage case exfactory inspection device |
| CN104132859A (en) * | 2014-07-25 | 2014-11-05 | 张家港三久箱包有限公司 | Delivery inspection apparatus for luggage cases |
| CN104568358A (en) * | 2014-11-26 | 2015-04-29 | 芜湖福马汽车零部件有限公司 | Impact test device for automobile chassis casting |
| CN104865041A (en) * | 2015-04-27 | 2015-08-26 | 东莞市恒宇仪器有限公司 | Luggage oscillation and impact testing machine |
| CN106017942A (en) * | 2016-05-18 | 2016-10-12 | 奇瑞汽车股份有限公司 | Weight placing platform structure for automobile seat backrest test |
| CN106124154A (en) * | 2016-08-26 | 2016-11-16 | 天津利福特电梯部件有限公司 | Elevator counterweight block is thrown and is fallen testing machine |
| CN106885675A (en) * | 2017-04-12 | 2017-06-23 | 浙江大学城市学院 | Lumbar vertebrae bone bursting fracture analog machine |
| CN107462479A (en) * | 2017-08-02 | 2017-12-12 | 中国地震局工程力学研究所 | Test platform and drop weight test method for drop hammer tester |
| CN107462479B (en) * | 2017-08-02 | 2023-06-23 | 中国地震局工程力学研究所 | Test platform for drop hammer testing machine and drop hammer testing method |
| CN107389442A (en) * | 2017-08-28 | 2017-11-24 | 北京沃华慧通测控技术有限公司 | Clipping anti-secondary pulse device and shock machine |
| CN107328544A (en) * | 2017-08-28 | 2017-11-07 | 北京沃华慧通测控技术有限公司 | Anti- secondary pulse device and impact test equipment |
| CN107389442B (en) * | 2017-08-28 | 2023-07-14 | 北京沃华慧通测控技术有限公司 | Clamping type secondary impact prevention device and impact testing machine |
| CN108443584A (en) * | 2018-04-17 | 2018-08-24 | 佘峰 | A kind of pipeline support frame for petroleum refining |
| CN108287108A (en) * | 2018-05-09 | 2018-07-17 | 林铭源 | One kind preventing secondary damage impact test instrument |
| CN108931447A (en) * | 2018-08-01 | 2018-12-04 | 格力电器（武汉）有限公司 | Impact testing machine |
| CN109238881A (en) * | 2018-08-10 | 2019-01-18 | 上海大学 | A kind of armpit turns impact strength test machine |
| CN108760213A (en) * | 2018-08-21 | 2018-11-06 | 福州艾斯佩克检测设备有限公司 | One kind can vertical-horizontal sine orientation vibration testing device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20141113 |
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| EXPY | Termination of patent right or utility model |