CN202383135U - Asphalt penetration tester - Google Patents
Asphalt penetration tester Download PDFInfo
- Publication number
- CN202383135U CN202383135U CN2011205497101U CN201120549710U CN202383135U CN 202383135 U CN202383135 U CN 202383135U CN 2011205497101 U CN2011205497101 U CN 2011205497101U CN 201120549710 U CN201120549710 U CN 201120549710U CN 202383135 U CN202383135 U CN 202383135U
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- Prior art keywords
- syringe needle
- programmable logic
- links
- logic controller
- computing machine
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Abstract
An asphalt penetration tester is characterized in that a computer is arranged on the right of a working platform, a vertical support is arranged on the left of the working platform, a suspension arm is arranged on a guide rail of the vertical support, two to five displacement sensors connected with the computer through leads are arranged on the lower end face of the suspension arm, a pinhead is arranged at the lower end of each displacement sensor, a transverse support is arranged at the upper end of the vertical support, a programmable logic controller and an electric push rod are arranged on the transverse support, the programmable logic controller is connected with the computer and the electric push rod through leads, the lower end of the electric push rod is connected with the suspension arm, and a sample installer is arranged on the working platform. Compared with an existing asphalt penetration tester, the asphalt penetration tester has the advantages of accurate testing data, small experimental errors, high detection speed, high automation degree and the like, and can be used for detecting asphalt penetration.
Description
Technical field
The utility model belongs to asphalt road surface material property evaluation test checkout equipment or device technique field, specifically is the instrument of test pitch pen..
Background technology
Existing asphalt penetrometer device normally is provided with the platform of placing flat glass heat-insulating ware; And platform is provided with the device of its level of scalable; Platform side is provided with the support of cantilever mounted, on support, is provided with pin connecting rod locking key, can make free-falling of pin connecting rod or rising; Free to rotate and the adjustable range of cantilever, its end have little mirror of one side or spot light lamp bulb, contact situation so as to observing syringe needle with specimen surface.The cantilever bottom surface is provided with the pin connecting rod perpendicular with platform; Temperature adopts temperature sensor measurement, and penetration number adopts displacement meter to measure, and can show automatically or record.
But existing penetration test appearance, some shortcoming below it exists:
What the pitch sample adopted is water bath heat preservation, and the heat conduction inequality causes that temperature displayed is the temperature of water in the insulation ware on the sensor, but not the actual temperature of sample makes experimental result data inaccurate.At present judge that whether syringe needle contacts the pitch specimen surface is to judge through the direct reflection of spotlight on the water surface; Different operation personnel just have different criterions; Syringe needle excessively inserts sometimes or does not insert the pitch sample, thereby makes that the experimental result error is bigger; In addition, when carrying out the test of pitch pen., once use a syringe needle, can only draw data, need the cleaning syringe needle to lay equal stress on after the test once and newly test, have influence on testing efficiency, and in changing the syringe needle process, be difficult to the temperature of control pitch style.
Summary of the invention
The utility model technical matters to be solved is to overcome the shortcoming of above-mentioned asphalt penetrometer device, provides a kind of the survey to count rationally, establish the examination pitch pen. tester that error is little, test rate is high, automaticity is high.
Solving the problems of the technologies described above the scheme that is adopted is: the right side is provided with computing machine on workbench, the left side is provided with perpendicular support; The guide rail of perpendicular support is provided with cantilever; The lower surface of cantilever is provided with 2～5 displacement transducers that link to each other with computing machine through lead, and each displacement transducer lower end is provided with syringe needle, and perpendicular support upper end is provided with lateral frame; Lateral frame is provided with Programmable Logic Controller and electric pushrod; Programmable Logic Controller links to each other with electric pushrod with computing machine through lead, and the push rod lower end of electric pushrod links to each other with cantilever, on workbench, places the sample erector.
The sample erector of the utility model is: in shell body, be provided with inner housing; Be provided with heater strip that links to each other with Programmable Logic Controller through lead and the temperature sensor that links to each other with computing machine between shell body and the inner housing, the inwall of shell body is provided with muff.
The syringe needle that each displacement transducer lower end of the utility model is provided with evenly distributes on same circumference.
The center line of the syringe needle that the displacement transducer lower end of the utility model is provided with and the distance between the adjacent syringe needle center line are 10～40mm, and the distance of the center line of syringe needle and inner housing sidewall is 10mm at least.
The lateral frame of the utility model be provided with Programmable Logic Controller and with the hydraulic jack of electromagnetic valve UNICOM, Programmable Logic Controller links to each other with electromagnetic valve with computing machine through lead, the lower end of hydraulic jack links to each other with cantilever.
The utility model is employed on each chaining pin head and is connected with displacement transducer; In the time of in syringe needle is inserted into the pitch sample; Displacement transducer receives displacement signal that syringe needle gets into the pitch sample and converts electric signal to and convert digital signal to and output to computing machine, and computing machine calculates the pen. of pitch to be measured according to the program of prior setting, has avoided people's visual observations to confirm that whether syringe needle contact the error of existence with sample; Improve test accuracy, improved testing efficiency; In adopting, the sample erector is provided with the muff of temperature sensor; Heater strip heats the pitch sample in the sample erector; Heating-up temperature is controlled through Programmable Logic Controller by computing machine; Overcome traditional when using the water-bath heating sample its probe temperature be bath temperature, and have the shortcoming of deviation between the pitch sample actual temperature; A plurality of syringe needles are set on the cantilever, test simultaneously and reading of data, accelerated test speed, and test reduces the test error that temperature variation causes simultaneously, further increased the degree of accuracy that detects.The utlity model has that test data is accurate, experimental error is little, detection speed is fast, the automaticity advantages of higher, can be used for detecting the pen. of pitch.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model;
Embodiment
To further explain of the present invention, but the utility model is not limited to these embodiment below in conjunction with accompanying drawing and embodiment.
In Fig. 1, the pitch pen. tester of present embodiment is connected and composed by Programmable Logic Controller 1, lateral frame 2, electric pushrod 3, cantilever 4, displacement transducer 5, temperature sensor 6, computing machine 7, shell body 8, heater strip 9, inner housing 11, muff 12, workbench 13, perpendicular support 14, syringe needle 15.
The right side is placed with computing machine 7 on workbench 13; The left side of workbench 13 is fixedly connected with perpendicular support 14 with the screw threads for fastening connector; On the guide rail of perpendicular support 14 cantilever 4 is installed; Cantilever 4 can move up and down along perpendicular support 14, is fixedly connected with 5,3 displacement transducers 5 of 3 displacement transducers with the screw threads for fastening connector on the lower surface of cantilever 4 and on same circumference, evenly distributes; Displacement transducer 5 links to each other with computing machine 7 through lead; The lower end of each displacement transducer 5 is 20mm through the center line of 15, one syringe needles 15 of syringe needle that have been threaded and the distance between adjacent syringe needle 15 center lines, and syringe needle 15 is used to insert the pen. that pitch sample 10 detects pitch.The upper end of perpendicular support 14 is fixedly connected with lateral frame 2 with the screw threads for fastening connector; Be fixedly connected with Programmable Logic Controller 1 and electric pushrod 3 with the screw threads for fastening connector on the lateral frame 2, the commodity of Programmable Logic Controller 1 for selling on the market, model is CPM1A-20CDR-D-V1; Also can adopt other model; Programmable Logic Controller 1 links to each other with computing machine 7 through lead, and electric pushrod 3 links to each other with Programmable Logic Controller 1 through lead, and computing machine 7 is controlled the duty of electric pushrod 3 through Programmable Logic Controller 1 according to the program of prior setting; The push rod lower end of electric pushrod 3 links to each other with cantilever 4 through screw thread; Electric pushrod 3 moves up and down with the power connection rear push-rod, drives cantilever 4 and moves up and down, and makes syringe needle 15 move up and down.
On workbench 13, place the sample erector.The sample erector of present embodiment is connected and composed by shell body 8, inner housing 11, heater strip 9, muff 12; Be fixedly connected with inner housing 11 with the screw threads for fastening connector in the shell body 8; During experiment the pitch sample is placed in the inner housing 11; When experimentizing, the distance of the center line of syringe needle 15 and inner housing 11 sidewalls is 20mm.Between shell body 8 and the inner housing 11 heater strip 9 is installed; Heater strip 9 is used for the pitch sample is heated; Muff 12 is housed on the inwall of shell body 8; Muff 12 adopts asbestos muff 12, is fixedly connected with temperature sensor 6 with the screw threads for fastening connector on the inwall of inner housing 11, and temperature sensor 6 links to each other with computing machine 7 through lead; Temperature sensor 6 converts the temperature signal that receives to electric signal and converts digital signal to and outputs to computing machine 7; Computing machine 7 adopts the heating-up temperature of computing machine 7 control heater strips 9 according to power connection or the disconnection through Programmable Logic Controller 1 control heater strip 9 of the program of prior setting, overcome traditional use water-bath add heated bitumen sample, probe temperature as bath temperature, and the sample actual temperature between have the shortcoming of deviation.
The pitch pen. tester of this structure; When experiment; Electric pushrod 3 drives cantilever 4 and moves down; Make syringe needle 15 be inserted in the pitch sample, the displacement conversion that displacement transducer 5 receives syringe needle 15 entering pitch samples becomes electric signal and converts digital signal to output to computing machine 7, and computing machine 7 calculates the pen. of pitch to be measured according to the program of prior setting.
In the present embodiment; Be fixedly connected with 2 displacement transducers 5 with the screw threads for fastening connector on the lower surface of cantilever 4; 2 displacement transducers 5 evenly distribute on same circumference, and displacement transducer 5 links to each other with computing machine 7 through lead, and the lower end of each displacement transducer 5 is through the syringe needle 15 that has been threaded; Distance between the center line of a syringe needle 15 and adjacent syringe needle 15 center lines is 40mm, and the distance of the center line of syringe needle 15 and inner housing 11 sidewalls is 40mm.Company's relation of other parts and parts is identical with embodiment 1.
In the present embodiment; Be fixedly connected with 5 displacement transducers 5 with the screw threads for fastening connector on the lower surface of cantilever 4; 5 displacement transducers 5 evenly distribute on same circumference, and displacement transducer 5 links to each other with computing machine 7 through lead, and the lower end of each displacement transducer 5 is through the syringe needle 15 that has been threaded; Distance between the center line of a syringe needle 15 and adjacent syringe needle 15 center lines is 10mm, and the distance of the center line of syringe needle 15 and inner housing 11 sidewalls is 10mm.The annexation of other parts and parts is identical with embodiment 1.
Embodiment 4
In the present embodiment; On the lateral frame 2 with the screw threads for fastening connector be fixedly connected with Programmable Logic Controller 1 and with the hydraulic jack of electromagnetic valve UNICOM; Programmable Logic Controller 1 links to each other with electromagnetic valve with computing machine 7 through lead, and the lower end of hydraulic jack links to each other with cantilever 4, and electromagnetic valve links through conduit and hydraulic power source; Hydraulic jack drives cantilever 4 and moves up and down, and makes the syringe needle 15 of displacement transducer 5 lower ends be inserted into the pitch sample.The annexation of other parts and parts is identical with embodiment 1.
According to above-mentioned principle, also can design the pitch pen. tester of other a kind of concrete structure, but all within the protection domain of the utility model.
Claims (5)
1. pitch pen. tester; It is characterized in that: upward the right side is provided with computing machine (7), the left side is provided with perpendicular support (14) at workbench (13); The guide rail of perpendicular support (14) is provided with cantilever (4); The lower surface of cantilever (4) is provided with 2～5 displacement transducers (5) that link to each other with computing machine (7) through lead, and each displacement transducer (5) lower end is provided with syringe needle (15), and perpendicular support (14) upper end is provided with lateral frame (2); Lateral frame (2) is provided with Programmable Logic Controller (1) and electric pushrod (3); Programmable Logic Controller (1) links to each other with electric pushrod (3) with computing machine (7) through lead, and the push rod lower end of electric pushrod (3) links to each other with cantilever (4), goes up at workbench (13) and places the sample erector.
2. according to the described pitch pen. of claim 1 tester; It is characterized in that described sample erector is: in shell body (8), be provided with inner housing (11); Be provided with heater strip (9) that links to each other with Programmable Logic Controller (1) through lead and the temperature sensor (6) that links to each other with computing machine (7) between shell body (8) and the inner housing (11), the inwall of shell body (8) is provided with muff (12).
3. pitch pen. tester according to claim 1 is characterized in that: the syringe needle (15) that described each displacement transducer (5) lower end is provided with evenly distributes on same circumference.
4. according to claim 1 or 3 described pitch pen. testers; It is characterized in that: the center line of the syringe needle (15) that described displacement transducer (5) lower end is provided with and the distance between an adjacent syringe needle (15) center line are 10～40mm, and the distance of the center line of syringe needle (15) and inner housing (11) sidewall is 10mm at least.
5. pitch pen. tester according to claim 1; It is characterized in that: described lateral frame (2) be provided with Programmable Logic Controller (1) and with the hydraulic jack of electromagnetic valve UNICOM; Programmable Logic Controller (1) links to each other with electromagnetic valve with computing machine (7) through lead, and the lower end of hydraulic jack links to each other with cantilever (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205497101U CN202383135U (en) | 2011-12-23 | 2011-12-23 | Asphalt penetration tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205497101U CN202383135U (en) | 2011-12-23 | 2011-12-23 | Asphalt penetration tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202383135U true CN202383135U (en) | 2012-08-15 |
Family
ID=46631629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205497101U Expired - Fee Related CN202383135U (en) | 2011-12-23 | 2011-12-23 | Asphalt penetration tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202383135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280316A (en) * | 2014-09-28 | 2015-01-14 | 广东惠利普路桥信息工程有限公司 | Asphalt penetration tester capable of changing needles |
| CN104792660A (en) * | 2015-04-23 | 2015-07-22 | 长安大学 | Device and method for measuring permeability of asphalt recycling agent |
-
2011
- 2011-12-23 CN CN2011205497101U patent/CN202383135U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280316A (en) * | 2014-09-28 | 2015-01-14 | 广东惠利普路桥信息工程有限公司 | Asphalt penetration tester capable of changing needles |
| CN104792660A (en) * | 2015-04-23 | 2015-07-22 | 长安大学 | Device and method for measuring permeability of asphalt recycling agent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20121223 |