CN201993290U - Automatic track instrument capable of defining road spectrum - Google Patents
Automatic track instrument capable of defining road spectrum Download PDFInfo
- Publication number
- CN201993290U CN201993290U CN2011200425130U CN201120042513U CN201993290U CN 201993290 U CN201993290 U CN 201993290U CN 2011200425130 U CN2011200425130 U CN 2011200425130U CN 201120042513 U CN201120042513 U CN 201120042513U CN 201993290 U CN201993290 U CN 201993290U
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- wheel
- displacement sensor
- vertical
- movable stand
- counterweight
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Abstract
The utility model relates to an asphalt mixture tracking tester, in particular to an automatic track instrument capable of defining a road spectrum, which comprises a horizontal guide rail, two support seats, a movable frame, a vertical shaft, a counterweight, a wheel and a wheel driving device. The two support seats are arranged at the two ends of the horizontal guide rail, the movable frame is matched with the horizontal guide rail, the vertical shaft is movably sleeved on the movable frame, the upper part of the vertical shaft is connected with the counterweight, the lower part of the vertical shaft is connected with the wheel, the lower part of the wheel is provided with a test piece fixing device, longitudinal guide rails matched with the support seats are arranged under the support seats, a longitudinal driving device and a longitudinal displacement sensor are arranged between the longitudinal guide rails and the support seats, a horizontal displacement sensor is arranged between the movable frame and the horizontal guide rail, a vertical displacement sensor is arranged between the movable frame and the counterweight, and the wheel driving device, the longitudinal driving device, the horizontal displacement sensor, the longitudinal displacement sensor and the vertical displacement sensor are connected with a controller. By adopting the technical scheme, the inclined rolling of the wheel can be simulated, and tracking parameters can be measured promptly and accurately.
Description
Technical field
The utility model relates to the asphalt mixture in track test instrument, and concrete is a kind of automatic wheel tracking test instrument.
Background technology
At present, the road base of highway or other carriage way will adopt asphalt, the characteristic of asphalt is: when temperature is higher, intensity reduces, under the effect that rolls of vehicle, produce rut at runway easily, when rut was serious, not only the comfortableness of influence driving brought potential safety hazard also can for the vehicle of running at high speed.In order to make asphalt roads have the ability that anti-preferably rut forms, suitable asphalt need selected before road surface pavement.Common way is: according to different proportionings and technology compressed asphalt compound test specimen, at a certain temperature it is rolled test with the rut instrument then.
Existing rut instrument mostly is the linear reciprocating structure, its primary structure includes: comprise frame, frame is provided with two bearings, one side of frame is provided with the drive unit base, drive unit base top is provided with drive unit, the top of two bearings is connected with line slideway, line slideway is provided with movable stand, movable stand and line slideway are slidably fixing, one end of movable stand links to each other with drive unit by gearing, and the below of movable stand is provided with rubber wheel base, and rubber tire is installed on the rubber wheel base, rubber tire and rubber wheel base are for being rotatably connected, and the rubber tire below is provided with bitumen mixture specimen.Though this kind device can realize simulating rolling of driving road pavement, but also exist following deficiency: 1, rubber tire and test block can only be done the linear reciprocating motion, and on actual road surface, wheel is not just done rectilinear motion, oblique situation such as travel also usually takes place, so there is certain difference in the test findings that adopts this rut instrument with actual application, is unfavorable for selecting the proportioning of asphalt; 2, roll the measurement of the rut that test block forms for wheel, need other instrument to measure, and need to shut down and measure, conventional efficient and accuracy are all lower.
The utility model content
The technical problems to be solved in the utility model is: provide a kind of and can simulate the oblique of wheel and roll, and can accurately measure in real time the rut parameter can self-defined road spectrum automatic rut instrument.
In order to solve the problems of the technologies described above, the utility model provide a kind of can be self-defined the automatic rut instrument of road spectrum, include cross slide way, bearing, movable stand, vertical axis, counterweight, wheel and wheel driver, wherein bearing is arranged on the cross slide way two ends, movable stand matches with cross slide way, vertical axis is actively socketed on the movable stand, its top connects counterweight, the below connects wheel, the below of wheel also is provided with the test specimen stationary installation, it is characterized in that: the bearing below also is provided with the longitudinal rail that is mated, be provided with vertical drive unit and length travel sensor between longitudinal rail and the bearing, be provided with the transversal displacement sensor between movable stand and cross slide way, be provided with the vertical displacement sensor between movable stand and the counterweight, described wheel driver, vertical drive unit, the transversal displacement sensor, the length travel sensor is connected with controller with the vertical displacement sensor.
Adopt technique scheme can self-defined road spectrum automatic rut instrument have following advantage: 1, because two bearings below also is respectively arranged with the longitudinal rail that is mated, be provided with vertical drive unit and length travel sensor between bearing and the guide rail, under the effect of vertical drive unit, wheel can be realized skew, more approaching and real traveling state of vehicle.2, owing to be provided with wheel driver, vertical drive unit, transversal displacement sensor, length travel sensor and vertical displacement sensor, and itself and controller electrically connect, can control the movement locus and the movement velocity of wheel by controller and transversal displacement sensor, length travel sensor, vertical drive unit and wheel driver, and more can detect the formation situation of rut in real time by controller and vertical displacement sensor.
As preferred version, vertically move in order to control bearing better, described vertical drive unit is screw mandrel and the screw mandrel drive motor that is socketed on the bearing.
As preferred version, in order to control the rotation of wheel better, described wheel driver is crankshaft-link rod and the motor that is connected between movable stand and the cross slide way.
As preferred version, can under different temperature, test in order to make the rut instrument, at the other thermostat that is provided with of test specimen stationary installation.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples technical solutions of the utility model are further specified:
As shown in Figure 1, the utility model provide a kind of can be self-defined the automatic rut instrument of road spectrum, include cross slide way 1, left support abutment 11, right support abutment 12, movable stand 2, vertical axis 21, counterweight 22, wheel 23, test specimen holder 24, test specimen constent temperature heater 25, crankshaft-link rod 3, crankshaft-link rod drive motor 31, longitudinal rail 4, screw mandrel 41, screw mandrel drive motor 42, computing machine 5 and length travel sensor 6, transversal displacement sensor 7, vertical displacement sensor 8.Wherein, left support abutment 11, right support abutment 12 are arranged on the two ends of cross slide way 1, left support abutment 11, right support abutment 12 are socketed on the longitudinal rail 4, and screw mandrel 41 is socketed on the right support abutment 12 and by screw mandrel drive motor 42 and drives, and length travel sensor 6 two ends are connected on left support abutment 11 and the longitudinal rail 4; Movable stand 2 matches with cross slide way 1 and merges and can reciprocatingly slide along cross slide way 1, and transversal displacement sensor 7 two ends connect movable stand 2 and cross slide way 1 respectively, and crankshaft-link rod 3 and crankshaft-link rod drive motor 31 are separately fixed on movable stand 2 and the cross slide way 1; Vertical axis 21 is actively socketed on the movable stand 2 and can slides up and down along movable stand 2, vertical axis 21 tops connect counterweight 22, the below connects wheel 23, test specimen holder 24 is provided with the below of wheel 23, it is other that test specimen well heater 25 is arranged on test specimen holder 24, and vertical displacement sensor 8 two ends connect counterweight 22 and movable stand 2 respectively.Screw mandrel drive motor 42, crankshaft-link rod drive motor 31, transversal displacement sensor 7, length travel sensor 6 and vertical displacement sensor 8 electrically connect with computing machine 5.
During use, the bitumen mixture specimen of experiment usefulness is fixed on the test specimen holder 24, open test specimen constent temperature heater 25 then, make blue or green compound test specimen constant temperature to experimental temperature, the corresponding data of input in computing machine 5, screw mandrel drive motor 42, crankshaft-link rod drive motor 31, transversal displacement sensor 7, length travel sensor 6 control wheels 23 roll bitumen mixture specimen according to the track of setting, the vertical change in displacement of collection wheel that vertical displacement sensor 8 is real-time, thereby draw the data parameters of rut, so that finally select suitable asphalt proportioning.
To those skilled in the art, installation for vertical sensor can also be done further improvement, such as: on test specimen and test specimen holder 24, vertical through holes is set accordingly, upper surface at test specimen is pasted reference plate, vertical displacement sensor in bottom is set in vertical through holes, and bottom vertical displacement sensor activity end links to each other with reference plate, and stiff end is fixed on the test specimen holder 24, vertical displacement sensor in bottom links to each other with computing machine 5, and monitors the rut situation on test specimen surface in real time.
Above-described only is preferred implementation of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (4)
- One kind can be self-defined the automatic rut instrument of road spectrum, include cross slide way, bearing, movable stand, vertical axis, counterweight, wheel and wheel driver, wherein bearing is arranged on the cross slide way two ends, movable stand matches with cross slide way, vertical axis is actively socketed on the movable stand, its top connects counterweight, the below connects wheel, the below of wheel also is provided with the test specimen stationary installation, it is characterized in that: the bearing below also is provided with the longitudinal rail that is mated, be provided with vertical drive unit and length travel sensor between longitudinal rail and the bearing, be provided with the transversal displacement sensor between movable stand and cross slide way, be provided with the vertical displacement sensor between movable stand and the counterweight, described wheel driver, vertical drive unit, the transversal displacement sensor, the length travel sensor is connected with controller with the vertical displacement sensor.
- 2. according to claim 1 can be self-defined the automatic rut instrument of road spectrum, it is characterized in that: described vertical drive unit is screw mandrel and the screw mandrel drive motor that is socketed on the bearing.
- 3. according to claim 1 can be self-defined the automatic rut instrument of road spectrum, it is characterized in that: described wheel driver is crankshaft-link rod and the crankshaft-link rod drive motor that is connected between movable stand and the cross slide way.
- 4. according to claim 1 can be self-defined the automatic rut instrument of road spectrum, it is characterized in that: also include and be arranged on the other thermostat of test specimen stationary installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200425130U CN201993290U (en) | 2011-02-18 | 2011-02-18 | Automatic track instrument capable of defining road spectrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200425130U CN201993290U (en) | 2011-02-18 | 2011-02-18 | Automatic track instrument capable of defining road spectrum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993290U true CN201993290U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200425130U Expired - Fee Related CN201993290U (en) | 2011-02-18 | 2011-02-18 | Automatic track instrument capable of defining road spectrum |
Country Status (1)
| Country | Link |
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| CN (1) | CN201993290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764630A (en) * | 2017-10-19 | 2018-03-06 | 长安大学 | A kind of experimental rig for testing bituminous paving failure by shear |
| CN109443729A (en) * | 2018-12-04 | 2019-03-08 | 苏州佳世德检测技术有限公司 | The experimental rig and test method that simulated automotive rolls |
-
2011
- 2011-02-18 CN CN2011200425130U patent/CN201993290U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764630A (en) * | 2017-10-19 | 2018-03-06 | 长安大学 | A kind of experimental rig for testing bituminous paving failure by shear |
| CN109443729A (en) * | 2018-12-04 | 2019-03-08 | 苏州佳世德检测技术有限公司 | The experimental rig and test method that simulated automotive rolls |
| CN109443729B (en) * | 2018-12-04 | 2024-03-19 | 江苏佳世德检测技术有限公司 | Test device and test method for simulating rolling of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20200218 |