CN202853962U - Pavement material strength tester - Google Patents
Pavement material strength tester Download PDFInfo
- Publication number
- CN202853962U CN202853962U CN 201220527479 CN201220527479U CN202853962U CN 202853962 U CN202853962 U CN 202853962U CN 201220527479 CN201220527479 CN 201220527479 CN 201220527479 U CN201220527479 U CN 201220527479U CN 202853962 U CN202853962 U CN 202853962U
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- CN
- China
- Prior art keywords
- pavement material
- base
- controller
- motor
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a pavement material strength tester which comprises a base, a test rack and a controller, wherein the base is internally provided with a motor and a drive rod connected with the motor in a transmission way; the top of the drive rod extends outside the top surface of the base; the test rack comprises a stand column and a cross beam; the stand column of the test rack is fixed on the top surface of the base; the cross beam is fixed on the stand column; a fixture fixing rod is also fixed on the cross beam and is provided with a pressure sensor; a fixture is arranged between the lower end of the fixture fixing rod and the top of the drive rod; the motor and the pressure sensor are respectively connected with the controller by signals; the pavement material strength tester further comprises a temperature control device which comprises a compressor and a heat exchanger; a thermotank is arranged outside the test rack; the heat exchanger is arranged in the thermotank; and the compressor is connected with the controller by signals. Due to the structure, the temperature in the thermotank is maintained to be constant, so that the temperature of a pavement material sample is guaranteed to be constant, and the accuracy of test data can be improved.
Description
Technical field
The utility model relates to a kind of pavement material intensity test instrument, more specifically is a kind of mixed road surface substrate intensity test instrument, dependent territory worker's test apparatus technical field.
Background technology
The pavement material intensity test instrument is a kind of multifunctional road roadbed, ground surface material test apparatus, can the road pavement material, carry out the tests such as compressive strength, bending strength, splitting, Marshall stability such as asphalt etc.Existing pavement material intensity test instrument comprises base, test stand and controller, the driving stem that base is equipped with motor and is connected with motor-driven, the end face of the top protuberate basic unit of driving stem; Test stand comprises column and crossbeam, the column of test stand is fixed on the end face of base, crossbeam is fixed on the column, also be provided with the anchor clamps fixed bar at crossbeam, described anchor clamps fixed bar is provided with pressure transducer, be provided with anchor clamps between the lower end of anchor clamps fixed bar and driving stem top, motor, pressure transducer are connected with device signal processed respectively.Above-mentioned pavement material intensity test instrument has the advantages such as simple in structure, easy to operate, can carry out the various tests of pavement material intensity by changing anchor clamps simultaneously, such as compressive strength, bending strength, splitting etc.But because its anchor clamps meeting opening, the temperature that is fixed on the ground surface material sample on the anchor clamps can change with the variation of environment temperature, the temperature variation of sample can affect the accuracy of test figure, and therefore the accuracy of the test figure of above-mentioned pavement material intensity test instrument awaits further raising.
The utility model content
For above-mentioned situation, the problem that the utility model quasi-solution is determined provides the plane materiel material strength tester that a kind of temperature of sample can not change with the variation of environment temperature, to improve the accuracy of test figure.
For addressing the above problem, the utility model has adopted following technical scheme: a kind of pavement material intensity test instrument, it comprises base, test stand and controller, the driving stem that described base is built-in with motor and is connected with motor-driven, the top protuberate basic unit end face of described driving stem; Described test stand comprises column and crossbeam, the column of described test stand is fixed on the base top surface, described crossbeam is fixed on the column, go back the stationary fixture fixed bar on the described crossbeam, described anchor clamps fixed bar is provided with pressure transducer, is provided with anchor clamps between the lower end of described anchor clamps fixed bar and driving stem top; Described motor, pressure transducer are connected with controller signals respectively, and described pavement material intensity test instrument also comprises attemperating unit, and described attemperating unit comprises compressor and heat exchanger; Described test stand peripheral hardware has constant temperature oven, and described heat exchanger is in constant temperature oven; Described compressor is connected with controller signals.
Be provided with temperature sensor in the described constant temperature oven, described temperature sensor is connected with controller signals.Described compressor is in base.
Adopt said structure, pavement material intensity test instrument of the present utility model on the one hand test stand peripheral hardware has constant temperature oven, make it become an airtight space, test time channel plane materiel material samples is in this airtight space, on the other hand, the pavement material intensity test instrument also comprises attemperating unit, and attemperating unit comprises compressor and heat exchanger, and heat exchanger is in constant temperature oven.When carrying out the pavement material intensity test, can make the temperature in the constant temperature oven keep constant like this, also just guarantee the temperature constant of ground surface material sample, improve the accuracy of test figure.
Description of drawings
Fig. 1 is the structural representation of the utility model pavement material intensity test instrument.
Among the figure: 1-base, 2-pressure transducer, 3-controller, 4-motor, 5-driving stem, the top of 6-driving stem, the 7-column, 8-crossbeam, 9-anchor clamps fixed bar, 10-anchor clamps, 11-compressor, the 12-heat exchanger, 13-constant temperature oven, 14-temperature sensor, 15-base top surface, 16-cabinet door.
Embodiment
As shown in Figure 1, pavement material intensity test instrument of the present utility model, it comprises base 1, test stand and controller 3, the driving stem 5 that described base is built-in with motor 4 and is in transmission connection with motor 4, the top 6 protuberate basic unit end faces 15 of described driving stem; Described test stand comprises column 7 and crossbeam 8, the column 7 of described test stand 2 is fixed on the base top surface 15, described crossbeam 8 is fixed on the column 7, go back stationary fixture fixed bar 9 on the described crossbeam 8, described anchor clamps fixed bar 9 is provided with pressure transducer 2, is provided with anchor clamps 10 between the lower end of described anchor clamps fixed bar 9 and driving stem 5 tops; Described motor 4, pressure transducer 2 are connected with controller 3 signals respectively.The pavement material intensity test instrument of said structure and prior art is similar, therefore, no longer launches to describe.
Pavement material intensity test instrument of the present utility model mainly has following two characteristics:
The one, described test stand peripheral hardware has constant temperature oven 13, and described constant temperature oven 13 can coat whole test stand, but in order to dwindle the volume of constant temperature oven 13, energy efficient, constant temperature oven 13 also can only coat the part (referring to Fig. 1) of test stand crossbeam below 8.For conveniently testing putting into and taking out of time channel plane materiel material samples, at constant temperature oven 13 cabinet door 16 is set.
The 2nd, pavement material intensity test instrument of the present utility model also comprises attemperating unit, and described attemperating unit comprises compressor 11 and heat exchanger 12.Described heat exchanger 12 is in constant temperature oven 13; Described compressor 11 is connected with controller 3 signals.In general, described compressor 11 is in base 1, but at the insufficient space of base 1 or be in other consideration, described compressor 11 can be arranged on other position, and described compressor 11 and heat exchanger 12 are connected by pipeline.
Further perfect as pavement material intensity test instrument of the present utility model is provided with temperature sensor 14 in the described constant temperature oven 13, and described temperature sensor 14 is connected with controller 3 signals.
Claims (3)
1. pavement material intensity test instrument, it comprises base (1), test stand and controller (3), the driving stem (5) that described base is built-in with motor (4) and is in transmission connection with motor (4), the top of described driving stem (6) protuberate basic unit end face (15); Described test stand comprises column (7) and crossbeam (8), the column (7) of described test stand (2) is fixed on the base top surface (15), described crossbeam (8) is fixed on the column (7), go back stationary fixture fixed bar (9) on the described crossbeam (8), described anchor clamps fixed bar (9) is provided with pressure transducer (2), is provided with anchor clamps (10) between the lower end of described anchor clamps fixed bar (9) and driving stem (5) top; Described motor (4), pressure transducer (2) are connected with controller (3) signal respectively, it is characterized in that described pavement material intensity test instrument also comprises attemperating unit, and described attemperating unit comprises compressor (11) and heat exchanger (12); Described test stand peripheral hardware has constant temperature oven (13), and described heat exchanger (12) is in constant temperature oven (13); Described compressor (11) is connected with controller (3) signal.
2. pavement material intensity test instrument according to claim 1 is characterized in that being provided with in the described constant temperature oven (13) temperature sensor (14), and described temperature sensor (14) is connected with controller (3) signal.
3. pavement material intensity test instrument according to claim 1 and 2 is characterised in that described compressor (11) is in base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527479 CN202853962U (en) | 2012-10-16 | 2012-10-16 | Pavement material strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527479 CN202853962U (en) | 2012-10-16 | 2012-10-16 | Pavement material strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202853962U true CN202853962U (en) | 2013-04-03 |
Family
ID=47985146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220527479 Expired - Lifetime CN202853962U (en) | 2012-10-16 | 2012-10-16 | Pavement material strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202853962U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634652A (en) * | 2015-02-03 | 2015-05-20 | 北京市路兴公路新技术有限公司 | Full-scale pavement heating system, full-scale pavement testing machine and full-scale pavement heating method |
| CN105115829A (en) * | 2015-09-29 | 2015-12-02 | 江苏建研建设工程质量安全鉴定有限公司 | Pavement material detector |
| CN107607471A (en) * | 2017-10-25 | 2018-01-19 | 吉林大学 | The aqueous oilstone interface consolidation strength test method of bituminous paving |
-
2012
- 2012-10-16 CN CN 201220527479 patent/CN202853962U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634652A (en) * | 2015-02-03 | 2015-05-20 | 北京市路兴公路新技术有限公司 | Full-scale pavement heating system, full-scale pavement testing machine and full-scale pavement heating method |
| CN104634652B (en) * | 2015-02-03 | 2017-08-08 | 北京市路兴公路新技术有限公司 | A kind of full size road-surface heating system, full size pavement test machine and full size road-surface heating method |
| CN105115829A (en) * | 2015-09-29 | 2015-12-02 | 江苏建研建设工程质量安全鉴定有限公司 | Pavement material detector |
| CN107607471A (en) * | 2017-10-25 | 2018-01-19 | 吉林大学 | The aqueous oilstone interface consolidation strength test method of bituminous paving |
| CN107607471B (en) * | 2017-10-25 | 2020-04-07 | 吉林大学 | Asphalt pavement water-containing oilstone interface consolidation strength test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |