CN102707031A - Automatic friction sensitivity instrument - Google Patents
Automatic friction sensitivity instrument Download PDFInfo
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- CN102707031A CN102707031A CN2012102245790A CN201210224579A CN102707031A CN 102707031 A CN102707031 A CN 102707031A CN 2012102245790 A CN2012102245790 A CN 2012102245790A CN 201210224579 A CN201210224579 A CN 201210224579A CN 102707031 A CN102707031 A CN 102707031A
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- driven shaft
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- transmission platform
- automated friction
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Abstract
The invention relates to an automatic friction sensitivity instrument. An oil supplier is arranged in a hydraulic tank and connected with a hydraulic cylinder which abuts against the bottom of a hydraulic jacking device; a bracket base is positioned above the hydraulic jacking device, a test sample friction device is arranged on the bracket base; an ejector rod and a sensor are arranged between the test sample friction device and the hydraulic jacking device; a transmission platform is positioned above the bracket base, an electric magnet is arranged on the transmission platform and attracts a pull rod; the pull rod is connected with a driving wheel and a drive motor and pulls the driving wheel and the drive motor to move on a motor guide holder; the drive motor drives the driving wheel and drives a driven wheel by a driving belt; the driven wheel is connected with a swing rod by a driven shaft; a heavy punch is arranged on the swing rod; a firing pin is positioned between the heavy punch and the test sample friction device so as to enable the heavy punch to strike the firing pin and the test sample friction device sequentially; and a photoelectric encoder is arranged on the driven shaft and rotates along with the driven shaft. The friction sensitivity instrument has the advantages of having high automation degree and accurate test performance, being time-saving and effort-saving, and the like.
Description
Technical field
The present invention relates to a kind of friction sensitivity instrument, be specifically related to a kind of automated friction sensibility instrument.
Background technology
Friction sensitivity instrument is mainly used in the sensitiveness to friction of measuring energetic material (solid initiating explosive, high explosives, propellant and fireworks and firecrackers etc.); Its principle of work is: energetic material is receiving under certain positive pressure; Impact and whether blast when making its translation certain displacement or burn through detecting pendulum, thereby measure its translation sensitiveness to friction.
The friction sensitivity instrument of prior art adopts manually-operated usually, and it has, and error is big, automaticity is low, and the big efficient of intensity of workers is low, and defective such as dangerous in the experimentation.
Therefore, for avoiding above-mentioned technical matters, necessary a kind of structure improved automated friction sensibility instrument that has is provided, to overcome said defective of the prior art.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of automaticity height, experiment precisely height and time saving and energy saving automated friction sensibility instrument.
For realizing above-mentioned purpose; The technical scheme that the present invention takes is: a kind of automated friction sensibility instrument, and it comprises hydraulic fluid tank, ram, striker, fork, engaged wheel, sample rubbing device, carrier base, transmission platform, electricity suction magnetic, driven shaft, photoelectric encoder, drive motor, pull bar, driving wheel and motor guide holder; Wherein, be provided with an oil feeder in the said hydraulic fluid tank, this oil feeder is connected with a hydraulic cylinder, and said hydraulic cylinder is resisted against said ram bottom; Said carrier base is positioned at the ram top, and said sample rubbing device is installed on this carrier base; Between said sample rubbing device and ram, be provided with a push rod and a sensor; Said transmission platform is positioned at the carrier base top, and said electricity is inhaled abampere and is loaded on this transmission platform, and it can adsorb said pull bar; Said pull bar is connected with drive motor with driving wheel, and stretchy driving wheel and drive motor can move on the motor guide holder; Said drive motor drives driving wheel, and through driving-belt driving engaged wheel; Said engaged wheel connects said fork through a driven shaft; One weight is housed on the said fork; Said striker makes weight can clash into striker and sample rubbing device successively between weight and sample rubbing device; Said photoelectric encoder is installed on the driven shaft and with driven shaft and rotates.
Automated friction sensibility instrument of the present invention further is set to: said hydraulic fluid tank is provided with a chamber door, a manual push button panel and a tensimeter.
Automated friction sensibility instrument of the present invention further is set to: it is provided with an outer cover and a top cover; Said outer cover surface is provided with a pendulum door and a setting-out door; Said top cover is provided with a display.
Automated friction sensibility instrument of the present invention further is set to: be with a top stem casing on the said push rod.
Automated friction sensibility instrument of the present invention further is set to: said engaged wheel is installed on the engaged wheel holder, and this engaged wheel holder and motor guide holder all are positioned on the transmission platform.
Automated friction sensibility instrument of the present invention further is set to: be arranged with a pull-rod spring on the said pull bar.
Automated friction sensibility instrument of the present invention also can be set to: connect through some cradling pieces between said carrier base and the transmission platform.
Compared with prior art, the present invention has following beneficial effect.
1. automated friction sensibility instrument of the present invention adopts full-enclosed structure, and hydraulic fluid tank and experiment table are combined into one, and hydraulic fluid tank is through the microcomputer Long-distance Control, and cabinet has the setting-out door, makes things convenient for setting-out.
2. automated friction sensibility instrument of the present invention adopts the full-automatic pendulum system that dangles, through system controlled by computer, the lifting of automatically accomplishing pendulum with put swing and do.
3. automated friction sensibility instrument of the present invention adopts the high precision angular light photoelectric coder real time record pendulum angle that dangles, and reads photoelectric encoder Data Control motor by microcomputer simultaneously and stops, and angle is hovered precisely, reliable and stable.
4. that automated friction sensibility instrument of the present invention has is manual, the hydraulic fluid tank of automatic integratedization control voltage raising and reducing function, can adopt according to individual operating habit and manually or automatically control hydraulic mechanism, has more hommization, uses more convenient.
Description of drawings
Fig. 1 is the stereographic map of automated friction sensibility instrument of the present invention.
Fig. 2 is the cut-away view of automated friction sensibility instrument of the present invention.
Fig. 3 is the cut-away view at another visual angle of automated friction sensibility instrument of the present invention.
Embodiment
See also shown in Figure of description 1 to the accompanying drawing 3; The present invention is a kind of automated friction sensibility instrument, and it is inhaled several parts such as magnetic 9, driven shaft 10, photoelectric encoder 11, drive motor 12, pull bar 13, driving wheel 14 and motor guide holder 15 by hydraulic fluid tank 1, ram 2, striker 3, fork 4, engaged wheel 5, sample rubbing device 6, carrier base 7, transmission platform 8, electricity and forms.
Wherein, the outside surface of said hydraulic fluid tank 1 is provided with a chamber door 16, one a manual push button panel 17 and a tensimeter 18.Be provided with an oil feeder 19 in the said hydraulic fluid tank 1, this oil feeder 19 is connected with a hydraulic cylinder 20, and said hydraulic cylinder 20 is resisted against the bottom of said ram 2.
Said carrier base 7 is positioned at ram 2 tops, and said sample rubbing device 6 is installed on this carrier base 7.Between said sample rubbing device 6 and ram 2, be provided with a push rod 21 and a sensor 22.Be with a top stem casing 32 on the said push rod 21.
Said transmission platform 8 is positioned at carrier base 7 tops, connects through some cradling pieces 23 between itself and the carrier base 7.Said electricity is inhaled magnetic 9 and is installed on this transmission platform 8, and it can adsorb said pull bar 13.Said pull bar 13 is connected with drive motor 12 with driving wheel 14, and stretchy driving wheel 14 can move on motor guide holder 15 with drive motor 12.Be arranged with a pull-rod spring 34 on the said pull bar 13.
Said drive motor 12 drives driving wheel 14, and drives engaged wheel 5 through a driving-belt 24.Said engaged wheel 5 connects said fork 4 through a driven shaft 25.Said photoelectric encoder 11 is installed on the driven shaft 25 and with driven shaft 25 and rotates.Further, said engaged wheel 5 is installed on the engaged wheel holder 33, and this engaged wheel holder 33 all is positioned on the transmission platform 8 with motor guide holder 15.
One weight 26 is housed on the said fork 4.Said striker 3 makes weight 26 can clash into striker 3 and sample rubbing device 6 successively between weight 26 and sample rubbing device 6.
Automated friction sensibility instrument of the present invention further is provided with an outer cover 27 and a top cover 28.Said outer cover 27 surfaces are provided with a pendulum door 29 and a setting-out door 30.Said top cover 28 is provided with a display 31.
The principle of work of automated friction sensibility instrument of the present invention is following: experiment beginning front opening pendulum door 29 starts instrument and begins experiment; Microcomputer controlled electro is inhaled magnetic 9 work pull bar 13 is held, and pull bar 13 pulling driving wheels 14 and drive motor 12 move on motor guide holder 15 together to the right, and driving-belt 24 is tightened.Drive motor 12 starts drive driving wheel 14 and rotates; Driving engaged wheel 5 through driving wheel 14 rotates; Engaged wheel 5 drives the upwards swing of fork 4 of being fixed on the driven shaft 25 through driven shaft 25; Photoelectric encoder 11 rotates with driven shaft 25, and the The real time measure angle value also is sent to microcomputer, simultaneously angles of display value on display 31.When photoelectric encoder 11 data of surveying reached preset value, system controlled by computer drive motor 12 shut down, and fork 4 hovers to predetermined angle value position.Open setting-out door 30, manual or automatic control moves upward ram 2 and withstands push rod 21 and makes it in top stem casing 32, rise to predeterminated position, and ram 2 quits work.Sample rubbing device 6 is put into top stem casing 32, and ram 2 continues to move upward and holds out against sample rubbing device 6, and when numerical value reached preset value on the tensimeter 18, ram 2 quit work.Microcomputer controlled electro is inhaled magnetic 9 releasing levers 13; Pull bar 13 ejects and promotes drive motor 12 and is moved to the left; Driving-belt 24 loosens, and fork 4 gravitates that weight 26 is housed are to lower swing, and weight 26 clashes into strikers 3; Striker 3 bump sample rubbing devices 6, whether sensor 22 test samples react and data are sent to MICROCOMPUTER PROCESSING, warehouse-in.The above flow process of experiment repetition next time.
Above embodiment is merely the preferred embodiment of this creation, not in order to limiting this creation, any modification of being made within all spirit and principles in this creation, is equal to replacement, improvement etc., all should be included within the protection domain of this creation.
Claims (7)
1. an automated friction sensibility instrument is characterized in that: comprise hydraulic fluid tank, ram, striker, fork, engaged wheel, sample rubbing device, carrier base, transmission platform, electricity suction magnetic, driven shaft, photoelectric encoder, drive motor, pull bar, driving wheel and motor guide holder; Wherein, be provided with an oil feeder in the said hydraulic fluid tank, this oil feeder is connected with a hydraulic cylinder, and said hydraulic cylinder is resisted against said ram bottom; Said carrier base is positioned at the ram top, and said sample rubbing device is installed on this carrier base; Between said sample rubbing device and ram, be provided with a push rod and a sensor; Said transmission platform is positioned at the carrier base top, and said electricity is inhaled abampere and is loaded on this transmission platform, and it can adsorb said pull bar; Said pull bar is connected with drive motor with driving wheel, and stretchy driving wheel and drive motor can move on the motor guide holder; Said drive motor drives driving wheel, and through driving-belt driving engaged wheel; Said engaged wheel connects said fork through a driven shaft; One weight is housed on the said fork; Said striker makes weight can clash into striker and sample rubbing device successively between weight and sample rubbing device; Said photoelectric encoder is installed on the driven shaft and with driven shaft and rotates.
2. automated friction sensibility instrument as claimed in claim 1 is characterized in that: said hydraulic fluid tank is provided with a chamber door, a manual push button panel and a tensimeter.
3. automated friction sensibility instrument as claimed in claim 1 is characterized in that: further be provided with an outer cover and a top cover; Said outer cover surface is provided with a pendulum door and a setting-out door; Said top cover is provided with a display.
4. automated friction sensibility instrument as claimed in claim 1 is characterized in that: be with a top stem casing on the said push rod.
5. automated friction sensibility instrument as claimed in claim 1 is characterized in that: said engaged wheel is installed on the engaged wheel holder, and this engaged wheel holder and motor guide holder all are positioned on the transmission platform.
6. automated friction sensibility instrument as claimed in claim 1 is characterized in that: be arranged with a pull-rod spring on the said pull bar.
7. automated friction sensibility instrument as claimed in claim 1 is characterized in that: connect through some cradling pieces between said carrier base and the transmission platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102245790A CN102707031A (en) | 2012-07-02 | 2012-07-02 | Automatic friction sensitivity instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102245790A CN102707031A (en) | 2012-07-02 | 2012-07-02 | Automatic friction sensitivity instrument |
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| CN102707031A true CN102707031A (en) | 2012-10-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267169A (en) * | 2014-09-18 | 2015-01-07 | 西安近代化学研究所 | Pressurizing device for measuring mechanical sensitiveness of explosives and powders |
| CN107643220A (en) * | 2016-11-30 | 2018-01-30 | 国家安全生产监督管理总局化学品登记中心 | A kind of chemicals impact sensitivity experimental rig |
| CN108226035A (en) * | 2017-12-26 | 2018-06-29 | 西安航天精密机电研究所 | A kind of friction sensitivity automatization test system |
| CN112345395A (en) * | 2020-10-23 | 2021-02-09 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267169A (en) * | 2014-09-18 | 2015-01-07 | 西安近代化学研究所 | Pressurizing device for measuring mechanical sensitiveness of explosives and powders |
| CN104267169B (en) * | 2014-09-18 | 2015-10-28 | 西安近代化学研究所 | A kind of explosive wastewater mechanical sensitivity measurement pressue device |
| CN107643220A (en) * | 2016-11-30 | 2018-01-30 | 国家安全生产监督管理总局化学品登记中心 | A kind of chemicals impact sensitivity experimental rig |
| CN108226035A (en) * | 2017-12-26 | 2018-06-29 | 西安航天精密机电研究所 | A kind of friction sensitivity automatization test system |
| CN108226035B (en) * | 2017-12-26 | 2020-05-05 | 西安航天精密机电研究所 | Automatic friction sensitivity testing system |
| CN112345395A (en) * | 2020-10-23 | 2021-02-09 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
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Application publication date: 20121003 |