CN103234843A - Falling weight impact testing machine - Google Patents
Falling weight impact testing machine Download PDFInfo
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- CN103234843A CN103234843A CN2013101672425A CN201310167242A CN103234843A CN 103234843 A CN103234843 A CN 103234843A CN 2013101672425 A CN2013101672425 A CN 2013101672425A CN 201310167242 A CN201310167242 A CN 201310167242A CN 103234843 A CN103234843 A CN 103234843A
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- testing machine
- hawser
- drop hammer
- impact testing
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Abstract
The invention discloses a falling weight impact testing machine which comprises a rack, a lifting mechanism, an impact counter weight and a load-bearing mechanism, wherein the lifting mechanism comprises a positioning pulley arranged above the load-bearing mechanism and connected with a cable between a cable disc and the impact counter weight, and a cable adjustment mechanism; the cable adjustment mechanism comprises an air cylinder and a movable pulley; the air cylinder is fixed on the rack; and the movable pulley is connected with a piston rod of the air cylinder, and is connected with the cable between the cable disc and the positioning pulley. The falling weight impact testing machine can achieve that a release rate of the cable can be greater than a free falling motion rate of the counter weight, so that a falling weight impact test can be performed without separating the impact counter weight from the cable; the manpower is saved; and the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of testing machine, particularly relate to a kind of drop hammer impact testing machine.
Background technology
The artificial method of the general employing of existing falling weight impact test, all weight manually to be hung up suspension hook at every turn, after suspension hook is promoted to certain altitude, make weight do the movement of falling object and carry out impulse test, operating personnel pick up weight then, are suspended to the impulse test of carrying out on the suspension hook next time again, so repeatedly, not only wasted manpower, and work efficiency is low.
Summary of the invention
Purpose of the present invention just provides a kind of saving manpower, the drop hammer impact testing machine of increasing work efficiency.
For addressing the above problem, the invention provides a kind of drop hammer impact testing machine, comprising:
Frame;
Hoisting gear comprises drive motor, cable disc and hawser, and described drive motor is arranged at the top of described frame; Described cable disc is connected in the output terminal of described drive motor; Described hawser is wound on the described cable disc;
Impact weights is connected in the free end of described hawser;
And be subjected to mounted mechanism, be located at described impact weights under,
Described hoisting gear also comprises:
The location pulley is located at the described top that is subjected to mounted mechanism, and is connected the hawser between described cable disc and the impact weights;
The hawser governor motion comprises cylinder and movable pulley; Described cylinder is fixed on the described frame; Described movable pulley is connected on the piston rod of described cylinder, and connects the hawser between described cable disc and the described location pulley.
Preferably, described cylinder is high-speed cylinder, and the piston rod of described cylinder discharges the speed of described hawser greater than the free-fall velocity of described impact weights.
Preferably, described drop hammer impact testing machine also comprises photoelectric sensor, and described photoelectric sensor is located at the described mounted mechanism place that is subjected to.
Preferably, described drop hammer impact testing machine also comprises control system, the described drive motor of described control system control linkage, cylinder and photoelectric sensor.
Preferably, described drop hammer impact testing machine also comprises guide housing, and described guide housing is arranged on the described frame; Described impact weights moves the inboard that connects described guide housing, and does the movement of falling object along described guide housing inboard.
Preferably, described pulley system also comprises auxiliary pulley.
Adopt the beneficial effect of this technical scheme to be, one, adopt technical scheme of the present invention, before impacting beginning, drive motor drive cable dish discharges sufficiently long hawser; High-speed cylinder can make release hawser when impulse test begins, discharge hawser rapidly, therefore, can realize that the release rate of hawser is faster than the movement of falling object speed of weight, thereby do not need impact weights separated with hawser and can carry out falling weight impact test, save manpower, improved work efficiency; Two, the photoelectric sensor of Cai Yonging, impact weights is impacted when impacting signal is passed to control system, the control system control cylinder is regained piston rod fast, thereby regains hawser faster, thereby has prevented the secondary pulse of impact weights to the stand under load workpiece.
Description of drawings
Fig. 1 is the structural representation of drop hammer impact testing machine embodiment 1 of the present invention;
Fig. 2 is the structural representation of drop hammer impact testing machine embodiment 2 of the present invention;
Fig. 3 is the structural representation of drop hammer impact testing machine embodiment 5 of the present invention.
Wherein, 1. frame 21. drive motor 22. cable discs 23. location pulley 24. high-speed cylinders 25. movable pulleys 26. hawsers 27. auxiliary pulleys 3. impact weights 4. are subjected to mounted mechanism 5. guide housings.
Embodiment
Describe specific embodiments of the invention in detail below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, shown in legend wherein, a kind of drop hammer impact testing machine comprises:
One frame 1;
One hoisting gear comprises a drive motor 21, a cable disc 22, a location pulley 23, a high-speed cylinder 24, a movable pulley 25 and a hawser 26,
One impact weights 3;
And one be subjected to mounted mechanism 4;
High-speed cylinder 24 is fixed on the frame 1;
The free end of hawser 26 is walked around on movable pulley 25, the location pulley 23 successively, and then connects on the impact weights 3.
The piston rod of high-speed cylinder 24 discharges the speed of hawser greater than the free-fall velocity of impact weights 3.
Introduce principle of work of the present invention below.
Under the driving of drive motor 21, cable disc 22 at first discharges sufficiently long hawser 26, by 25 hawsers 26 that advance to discharge of movable pulley, when beginning to carry out impulse test, start high-speed cylinder 24, the piston rod of high-speed cylinder 24 stretches out, hawser is released rapidly, the speed that discharges is faster than the free-fall velocity of impact weights 3, therefore do not need impact weights 3 is separated with hawser 26 and can be carried out impulse test to being subjected to mounted mechanism 4, reduce the trouble of picking up and hanging impact weights 3 repeatedly, saved manpower, improved work efficiency.
Embodiment 2
Referring to Fig. 2, shown in legend wherein, all the other are identical with described embodiment, and difference is that hoisting gear also comprises four auxiliary pulleys 27.Adopt this structure, make the structure of tension weight churning testing machine compacter.
Embodiment 3
All the other are identical with described embodiment 2, difference is, described drop hammer impact testing machine also comprises a photoelectric sensor, photoelectric sensor is located at and is subjected to mounted mechanism 4 places, when impulse test was finished, photoelectric sensor was sensed corresponding signal, thereby the piston rod of control high-speed cylinder 24 is withdrawn rapidly, the impact weights 3 of finishing impulse test is raise rapidly, avoided treating the secondary pulse of test piece.
Embodiment 4
All the other are identical with described embodiment 3, and difference is that drop hammer impact testing machine also comprises a control system, and control system control linkage drive motor 21, high-speed cylinder 24 and photoelectric sensor have been realized the robotization of impulse test.
Embodiment 5
Referring to Fig. 3, shown in legend wherein, all the other are identical with described embodiment 4, and difference is that drop hammer impact testing machine also comprises a guide housing 5, and guide housing 5 is arranged on the frame 1; Impact weights 3 moves the inboard that connects guide housing 5, and does the movement of falling object along guide housing 5 inboards, has guaranteed that impact weights 3 can not misplace when impacting.
Adopt the beneficial effect of this technical scheme to be, one, adopt technical scheme of the present invention, before impacting beginning, drive motor drive cable dish discharges sufficiently long hawser; High-speed cylinder can make release hawser when impulse test begins, discharge hawser rapidly, therefore, can realize that the release rate of hawser is faster than the movement of falling object speed of weight, thereby do not need impact weights separated with hawser and can carry out falling weight impact test, save manpower, improved work efficiency; Two, the photoelectric sensor of Cai Yonging, impact weights is impacted when impacting signal is passed to control system, the control system control cylinder is regained piston rod fast, thereby regains hawser faster, thereby has prevented the secondary pulse of impact weights to the stand under load workpiece.
The above only is preferred implementation of the present invention, should be pointed out that under the prerequisite that does not break away from the invention design, and can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. drop hammer impact testing machine comprises:
Frame;
Hoisting gear comprises drive motor, cable disc and hawser, and described drive motor is arranged at the top of described frame; Described cable disc is connected in the output terminal of described drive motor; Described hawser is wound on the described cable disc;
Impact weights is connected in the free end of described hawser;
And be subjected to mounted mechanism, be located at described impact weights under,
It is characterized in that described hoisting gear also comprises:
The location pulley is located at the described top that is subjected to mounted mechanism, and is connected the hawser between described cable disc and the impact weights;
The hawser governor motion comprises cylinder and movable pulley; Described cylinder is fixed on the described frame; Described movable pulley is connected on the piston rod of described cylinder, and connects the hawser between described cable disc and the described location pulley.
2. drop hammer impact testing machine according to claim 1 is characterized in that, described cylinder is high-speed cylinder, and the piston rod of described cylinder discharges the speed of described hawser greater than the free-fall velocity of described impact weights.
3. drop hammer impact testing machine according to claim 1 is characterized in that, described drop hammer impact testing machine also comprises photoelectric sensor, and described photoelectric sensor is located at the described mounted mechanism place that is subjected to.
4. drop hammer impact testing machine according to claim 3 is characterized in that, described drop hammer impact testing machine also comprises control system, the described drive motor of described control system control linkage, cylinder and photoelectric sensor.
5. drop hammer impact testing machine according to claim 1 is characterized in that, described drop hammer impact testing machine also comprises guide housing, and described guide housing is arranged on the described frame; Described impact weights moves the inboard that connects described guide housing, and does the movement of falling object along described guide housing inboard.
6. according to the arbitrary described drop hammer impact testing machine of claim 1-5, it is characterized in that described pulley system also comprises auxiliary pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310167242.5A CN103234843B (en) | 2013-05-09 | 2013-05-09 | A kind of drop hammer impact testing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310167242.5A CN103234843B (en) | 2013-05-09 | 2013-05-09 | A kind of drop hammer impact testing machine |
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| CN103234843A true CN103234843A (en) | 2013-08-07 |
| CN103234843B CN103234843B (en) | 2016-03-30 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034610A (en) * | 2014-05-07 | 2014-09-10 | 西南交通大学 | Drop-hammer stamping impacting tester |
| CN104198334A (en) * | 2014-07-03 | 2014-12-10 | 中国石油大学(北京) | Instrument for testing toughness of formed jelly and application of instrument |
| CN104792631A (en) * | 2015-05-07 | 2015-07-22 | 山东建筑大学 | Fire disaster impact integral testing device |
| CN105004619A (en) * | 2015-05-06 | 2015-10-28 | 中国科学院寒区旱区环境与工程研究所 | Freezing strength on-site fast detection device for backfill soil in frozen soil area |
| CN105651637A (en) * | 2016-03-21 | 2016-06-08 | 中国石油大学(华东) | High-speed-cutting experimental apparatus based on drop hammer impact testing machine |
| CN106006264A (en) * | 2016-06-03 | 2016-10-12 | 苏州铃木电梯有限公司 | Elevator collision testing device |
| CN106124155A (en) * | 2016-08-31 | 2016-11-16 | 兹韦克测试技术（太仓）有限公司 | A kind of drop hammer impact testing machine |
| CN106442175A (en) * | 2016-09-28 | 2017-02-22 | 福建省万龙新材料科技有限公司 | PDC anti-impact toughness automatic detection device |
| CN107560818A (en) * | 2017-10-10 | 2018-01-09 | 中国人民解放军陆军工程大学 | Oversize falling weight impact test device |
| CN108254269A (en) * | 2017-12-25 | 2018-07-06 | 南京利德东方橡塑科技有限公司 | Railway brake hose impact property test tool |
| CN108871722A (en) * | 2018-08-24 | 2018-11-23 | 中国标准化研究院 | Mechanical shock test device |
| CN109443907A (en) * | 2018-12-19 | 2019-03-08 | 湖南固虹机械制造有限公司 | A kind of resin tile rigidity detection device |
| CN110346225A (en) * | 2019-08-14 | 2019-10-18 | 缪协兴 | A kind of anchor cable impact strength test system under supporting state |
| CN112198069A (en) * | 2020-11-11 | 2021-01-08 | 昆明理工大学 | Secondary impact prevention device of drop hammer impact testing machine and testing method thereof |
| CN112683698A (en) * | 2020-12-21 | 2021-04-20 | 西安交通大学 | Tensile impact test stand with medium strain rate for material |
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| CN2511710Y (en) * | 2001-08-31 | 2002-09-18 | 陕西省公路机械厂 | Hammer breaker on asphalt pavement |
| JP2008170313A (en) * | 2007-01-12 | 2008-07-24 | Mitsubishi Heavy Ind Ltd | Falling weight impact tester |
| CN101509856A (en) * | 2008-12-30 | 2009-08-19 | 南京理工大学 | Multifunction flexible composite material impact test apparatus |
| CN201464305U (en) * | 2009-07-27 | 2010-05-12 | 中国水电十一局郑州科研设计有限公司 | Impact-resistance test instrument of high-performance material |
| CN102979078A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Cylinder driven lifting mechanism of dynamic compaction machine and dynamic compaction machine |
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2013
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| CN2511710Y (en) * | 2001-08-31 | 2002-09-18 | 陕西省公路机械厂 | Hammer breaker on asphalt pavement |
| JP2008170313A (en) * | 2007-01-12 | 2008-07-24 | Mitsubishi Heavy Ind Ltd | Falling weight impact tester |
| CN101509856A (en) * | 2008-12-30 | 2009-08-19 | 南京理工大学 | Multifunction flexible composite material impact test apparatus |
| CN201464305U (en) * | 2009-07-27 | 2010-05-12 | 中国水电十一局郑州科研设计有限公司 | Impact-resistance test instrument of high-performance material |
| CN102979078A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Cylinder driven lifting mechanism of dynamic compaction machine and dynamic compaction machine |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034610A (en) * | 2014-05-07 | 2014-09-10 | 西南交通大学 | Drop-hammer stamping impacting tester |
| CN104198334A (en) * | 2014-07-03 | 2014-12-10 | 中国石油大学(北京) | Instrument for testing toughness of formed jelly and application of instrument |
| CN105004619A (en) * | 2015-05-06 | 2015-10-28 | 中国科学院寒区旱区环境与工程研究所 | Freezing strength on-site fast detection device for backfill soil in frozen soil area |
| CN104792631A (en) * | 2015-05-07 | 2015-07-22 | 山东建筑大学 | Fire disaster impact integral testing device |
| CN105651637A (en) * | 2016-03-21 | 2016-06-08 | 中国石油大学(华东) | High-speed-cutting experimental apparatus based on drop hammer impact testing machine |
| CN105651637B (en) * | 2016-03-21 | 2016-10-26 | 中国石油大学(华东) | High-speed cutting experimental provision based on drop impact experimental machine |
| CN106006264A (en) * | 2016-06-03 | 2016-10-12 | 苏州铃木电梯有限公司 | Elevator collision testing device |
| CN106124155B (en) * | 2016-08-31 | 2019-09-03 | 兹韦克测试技术（太仓）有限公司 | A kind of drop hammer impact testing machine |
| CN106124155A (en) * | 2016-08-31 | 2016-11-16 | 兹韦克测试技术（太仓）有限公司 | A kind of drop hammer impact testing machine |
| CN106442175A (en) * | 2016-09-28 | 2017-02-22 | 福建省万龙新材料科技有限公司 | PDC anti-impact toughness automatic detection device |
| CN107560818A (en) * | 2017-10-10 | 2018-01-09 | 中国人民解放军陆军工程大学 | Oversize falling weight impact test device |
| CN108254269A (en) * | 2017-12-25 | 2018-07-06 | 南京利德东方橡塑科技有限公司 | Railway brake hose impact property test tool |
| CN108871722A (en) * | 2018-08-24 | 2018-11-23 | 中国标准化研究院 | Mechanical shock test device |
| CN109443907A (en) * | 2018-12-19 | 2019-03-08 | 湖南固虹机械制造有限公司 | A kind of resin tile rigidity detection device |
| CN110346225A (en) * | 2019-08-14 | 2019-10-18 | 缪协兴 | A kind of anchor cable impact strength test system under supporting state |
| CN112198069A (en) * | 2020-11-11 | 2021-01-08 | 昆明理工大学 | Secondary impact prevention device of drop hammer impact testing machine and testing method thereof |
| CN112683698A (en) * | 2020-12-21 | 2021-04-20 | 西安交通大学 | Tensile impact test stand with medium strain rate for material |
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|---|---|
| CN103234843B (en) | 2016-03-30 |
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