CN101074909A - Automatic loading-unloading controller of material experimental equipment - Google Patents
Automatic loading-unloading controller of material experimental equipment Download PDFInfo
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- CN101074909A CN101074909A CN 200710022214 CN200710022214A CN101074909A CN 101074909 A CN101074909 A CN 101074909A CN 200710022214 CN200710022214 CN 200710022214 CN 200710022214 A CN200710022214 A CN 200710022214A CN 101074909 A CN101074909 A CN 101074909A
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- sleeve
- unloading
- testing machine
- drive sleeve
- fixed
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Abstract
A loading/unloading control device of material tester is prepared as bell-socketing the driving sleeve in floating sleeve, connecting two ends of driving sleeve separately to motor shaft and loading/unloading regulation shaft of said tester, bell-socketing fixed sleeve with floating sleeve, fixing stroke switch at external side of fixed sleeve, connecting one end of draw spring to floating sleeve and another end to fixed sleeve.
Description
Technical field
The present invention and testing of materials equipment relate in particular to a kind of automatic loading-unloading controller of material experimental equipment.
Background technology
The testing of materials equipment that Material Testing Machine such as pressing machine, omnipotent pressure testing machine is general testing of materials, certifying agency is commonly used, be used for general the material particularly resistance to compression of building materials and the test of limit of stretch value, it constantly loads test material by continuous supercharging in the hydraulic jack in the Material Testing Machine, until material destroyed back unloading, make decompression in the oil cylinder.
Present Material Testing Machine when test material is loaded be by on the manual adjustments hydraulic jack pressure charging valve realize.To the loading of test material should be slowly balanced, could accurately find out the ultimate value of material like this, too fastly will form impact otherwise load, and causes the pressure data distortion.So, the Material Testing Machine of existing this manual adjustments, the resultant error of its detection is bigger.
On the other hand, to be material be subjected to destroyedly under bigger compression or the tensile load effect causing unloading the data that make the hydraulic jack decompression and produce to the test specimen ultimate value.But existing this manual adjustments Material Testing Machine can be passed through the manual control handle, and after obtaining pressure data, when test specimen did not destroy, the off-load of taking the initiative obtained the test specimen ultimate value of distortion.This provides the chance that injustice product quality detects data just might for the operator who ordered about by interests individually for associated materials product quality supervision and inspection mechanism.
Therefore, in order to guarantee the accuracy of material related data test, eliminate man's activity, people attempt existing Material Testing Machine is improved, and adopt whole-process automatic to add, unload, and control the pressure of hydraulic jack with solenoid valve.But the deficiency of this method is an oil circuit design relative complex, improves the cost height, and simultaneously to the quality requirements height of the used fluid of hydraulic system, and fluid will often filter, otherwise can influence the operate as normal of solenoid valve, has increased maintenance cost.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, design a kind of a kind of automatic loading-unloading controller of material experimental equipment that makes material test machine testing data accuracy height and can eliminate man's activity, it is achieved through the following technical solutions:
Be installed in adding on the unloading regulating shaft of described Material Testing Machine, comprise motor, drive sleeve, tripping sleeve, fixed muffle, extension spring, travel switch, described drive sleeve is socketed in the tripping sleeve, what its two ends connected motor shaft and described Material Testing Machine respectively adds the unloading regulating shaft, fixed muffle socket tripping sleeve, the one end is fixed on the described Material Testing Machine, the barrel of fixed muffle is provided with stopper slot radially, travel switch is fixed on the fixed muffle outside, and place stopper slot one side, the outside of tripping sleeve is provided with position-limitting pin, and this position-limitting pin places stopper slot, and extension spring one end connects tripping sleeve one end and is connected and fixed sleeve.
Described drive sleeve close-fitting is on motor shaft.
The unloading regulating shaft that adds of described drive sleeve and described Material Testing Machine is slidingly connected.
Symmetry two barrels of described drive sleeve one end are provided with chute vertically, unloading regulating shaft one end that adds of described Material Testing Machine is provided with radially hole, one bearing pin close-fitting is in this hole, and its two ends are stretched out and placed the above two symmetrical chutes of drive sleeve outside the hole respectively.
The invention has the beneficial effects as follows: simple in structure, but automaticity can compare favourably with the similar control device that present employing solenoid valve has a complicated oil circuit, and make the valve closes appropriateness by the suitable spring of an elasticity coefficient, excessive closure can not occur and make valve locked, make stepper motor precisely to control to add and unload the valve of planting on the regulating shaft, thereby accurately test out the stretching of material for test, compression, crooked, the limiting figure of Experiments of Machanics such as shearing, stopped the possibility of artificial control detection data, load evenly, the test impulsive force is little, makes the data of detection more accurately reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is that drive sleeve and Material Testing Machine add the syndeton synoptic diagram that unloads regulating shaft.
Fig. 3 is the vertical view of structural representation of the present invention.
Fig. 4 is the shaft side figure that apparatus of the present invention split each assembly of back.
Among the figure, 1 stepper motor, 2 step motor shafts, 3 drive sleeve, 4 bolts, 5 tripping sleeves, 6 position-limitting pins, 7 extension spring sheets, 8 extension springs, 9 travel switches, 10 fixed muffles, 11 stopper slots, 12 contacts, 13 chutes, 14 bearing pins, 20 Material Testing Machine, 21 Material Testing Machine add unloading regulating shaft, 22 hexagonal nuts, 23 oil pipes, 24 hydraulic jacks, the flow direction of oil in 25 oil pipes, 26 valves.
Embodiment
Below in conjunction with drawings and Examples the present invention and advantage thereof are described further.
Contrast Fig. 1, Fig. 4, apparatus of the present invention are installed in adding on unloading (pressure charging valve) regulating shaft of described Material Testing Machine, and it mainly is made up of stepper motor 1, drive sleeve 3, tripping sleeve 5, fixed muffle 10, extension spring 8, travel switch 9.Drive sleeve 3 is socketed in the tripping sleeve 5, and an end close-fitting of drive sleeve 3 is on motor shaft 2, and the unloading regulating shaft 21 that adds of its other end and Material Testing Machine is slidingly connected.Drive sleeve 3 with add unloading regulating shaft 21 and be connected the chute 13 that is provided with on symmetry two barrels of an end vertically, add unloading regulating shaft 21 corresponding ends and be provided with radially hole, one bearing pin, 14 close-fittings are in this hole, the two symmetrical chutes 13 that place respectively outside the hole on the drive sleeve are stretched out at its two ends, please again referring to Fig. 2.When step motor shaft 2 rotates, by the chute on the drive sleeve 3 13 with add bearing pin 14 on the unloading regulating shaft and make and add unloading regulating shaft 21 and rotate, adding unloading regulating shaft 21 also will move owing to there being spiral to connect when rotating simultaneously vertically, like this, connecting bearing pin 14 two ends that add on the unloading regulating shaft slides along two symmetrical chutes 13 on the drive sleeve respectively.Fixed muffle 10 socket tripping sleeves 5, its end is provided with hexagon ring, and this hole just in time is plugged on the outside of hexagonal nut 22.Hexagonal nut 22 is fixed on the Material Testing Machine 20, adds the unloading regulating shaft and passes from this hexagonal nut 22.
Contrast Fig. 3, the barrel of fixed muffle 10 is provided with stopper slot 11 radially, travel switch 9 is fixed on the outside of fixed muffle 10, and place a side of stopper slot 11, the outside of tripping sleeve 5 is provided with position-limitting pin 6, and this position-limitting pin places stopper slot 11, and position-limitting pin 6 relative limit grooves 11 slide when tripping sleeve 5 relative fixed sleeves 10 rotate, when sliding into travel switch 9 one sides, touch the contact 12 of travel switch.Close extension spring 8 one ends and be connected on the bolt 4 that connects stepper motor 1 and tripping sleeve 5, an end is fastened on the extension spring sheet 7 on the fixed muffle.
During Material Testing Machine 20 work, signal by its upper controller output rotates stepper motor 1, adding unloading regulating shaft 21 by step motor shaft 2 drives rotates, valve 26 is opened gradually, hydraulic jack pressure in the Material Testing Machine constantly increases, load on the test specimen continues to increase, when being loaded into the ultimate value that test specimen can bear, test specimen is destroyed, the control device output signal makes stepper motor 1 backward rotation, and valve 26 beginnings are closed, when valve 26 closures, step motor shaft 2 and add the rotation that unloads regulating shaft 21 and should stop, not so can make valve locked, open once more need be bigger torque want, stepper motor 1 almost can't drive again, adopt the suitable extension spring 8 of an elasticity in the present embodiment, can overcome this phenomenon.After closing as valve 25, motor shaft 2 continues output and changes distance, then step motor shaft 2 and stepper motor 1 and the tripping sleeve 5 that the is attached thereto desire that becomes one continues to rotate to former rotation direction, being subjected to extension spring 8 hinders, extension spring 8 is stretched, tripping sleeve 5 relative fixed sleeves 10 rotate, position-limitting pin 6 on the tripping sleeve 5 slides along stopper slot 11, when sliding into stopper slot 11 1 ends, touch the contact 12 on the travel switch 9, travel switch 9 sends the position signalling instruction, control device receives the laggard line data of this signal instruction and handles, stepper motor 1 is sent control signal, it is stopped operating or stop operating after rotate again after a while and make valve open carry out the test specimen test of a new round.
So as long as by the suitable extension spring 8 of test and Selection, apparatus of the present invention just can test out material for test tension, resistance to compression ultimate value very sensitive, exactly, simple in structure but automaticity height, stopped the possibility of artificial control detection data, load evenly, the test impulsive force is little, detects the data accuracy height.
Claims (4)
1. automatic loading-unloading controller of material experimental equipment, it is characterized in that being installed in adding on the unloading regulating shaft of described Material Testing Machine, comprise motor, drive sleeve, tripping sleeve, fixed muffle, extension spring, travel switch, described drive sleeve is socketed in the tripping sleeve, what its two ends connected motor shaft and described Material Testing Machine respectively adds the unloading regulating shaft, fixed muffle socket tripping sleeve, the one end is fixed on the described Material Testing Machine, the barrel of fixed muffle is provided with stopper slot radially, travel switch is fixed on the fixed muffle outside, and place stopper slot one side, the outside of tripping sleeve is provided with position-limitting pin, this position-limitting pin places stopper slot, and extension spring one end connects tripping sleeve one end and is connected and fixed sleeve.
2. automatic loading-unloading controller of material experimental equipment according to claim 1 is characterized in that described drive sleeve close-fitting is on motor shaft.
3. automatic loading-unloading controller of material experimental equipment according to claim 1 is characterized in that the unloading regulating shaft that adds of described drive sleeve and described Material Testing Machine is slidingly connected.
4. automatic loading-unloading controller of material experimental equipment according to claim 3, symmetry two barrels that it is characterized in that described drive sleeve one end are provided with chute vertically, unloading regulating shaft one end that adds of described Material Testing Machine is provided with radially hole, one bearing pin close-fitting is in this hole, and its two ends are stretched out and placed the above two symmetrical chutes of drive sleeve outside the hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710022214A CN100593112C (en) | 2007-05-09 | 2007-05-09 | Automatic loading-unloading controller of material experimental equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710022214A CN100593112C (en) | 2007-05-09 | 2007-05-09 | Automatic loading-unloading controller of material experimental equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101074909A true CN101074909A (en) | 2007-11-21 |
| CN100593112C CN100593112C (en) | 2010-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710022214A Expired - Fee Related CN100593112C (en) | 2007-05-09 | 2007-05-09 | Automatic loading-unloading controller of material experimental equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100593112C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109437A (en) * | 2010-12-31 | 2011-06-29 | 平高集团有限公司 | Combined testing machine for detecting insulating cylinder |
| CN102128747A (en) * | 2010-10-26 | 2011-07-20 | 江苏赛福天钢绳有限公司 | Device for testing elongation property of steel wire rope for elevator |
| CN110376097A (en) * | 2019-08-13 | 2019-10-25 | 北京大学口腔医学院 | Multifunctional oral cavity Material Testing Machine |
| CN112630052A (en) * | 2021-01-07 | 2021-04-09 | 钟英武 | Brake block bending resistance test equipment for new energy automobile |
-
2007
- 2007-05-09 CN CN200710022214A patent/CN100593112C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128747A (en) * | 2010-10-26 | 2011-07-20 | 江苏赛福天钢绳有限公司 | Device for testing elongation property of steel wire rope for elevator |
| CN102109437A (en) * | 2010-12-31 | 2011-06-29 | 平高集团有限公司 | Combined testing machine for detecting insulating cylinder |
| CN102109437B (en) * | 2010-12-31 | 2012-12-26 | 平高集团有限公司 | Combined testing machine for detecting insulating cylinder |
| CN110376097A (en) * | 2019-08-13 | 2019-10-25 | 北京大学口腔医学院 | Multifunctional oral cavity Material Testing Machine |
| CN112630052A (en) * | 2021-01-07 | 2021-04-09 | 钟英武 | Brake block bending resistance test equipment for new energy automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100593112C (en) | 2010-03-03 |
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Granted publication date: 20100303 Termination date: 20120509 |