CN201459581U - Wheel tracking testing machine of asphalt - Google Patents
Wheel tracking testing machine of asphalt Download PDFInfo
- Publication number
- CN201459581U CN201459581U CN2009201213122U CN200920121312U CN201459581U CN 201459581 U CN201459581 U CN 201459581U CN 2009201213122 U CN2009201213122 U CN 2009201213122U CN 200920121312 U CN200920121312 U CN 200920121312U CN 201459581 U CN201459581 U CN 201459581U
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- movable stand
- wheel
- drive unit
- straight line
- asphalt
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Abstract
The utility model discloses a wheel tracking testing machine of asphalt, comprising a machine frame; the machine frame is provided with two supports; one side of the machine frame is provided with a driving device base; a driving device is arranged above the driving device base; the upper parts of the two supports are connected with a linear guide roll which is provided with a moving frame; the moving frame and the linear guide roll can be fixed in a sliding manner; one end of the moving frame is connected with the driving device by a transmission device; a rubber wheel seat is arranged below the moving frame and is provided with a rubber wheel which is connected with the rubber wheel seat in a rotatable manner; and the moving frame is also provided with a displacement sensor. By adopting the wheel tracking testing machine of the asphalt of the technical scheme, since an asphalt trial mold is fixed when the wheel tracking test of the asphalt is carried out, and the rubber wheel does horizontal reciprocating rolling under the driving of the moving frame and is more approximate to the contact between an actual wheel and the ground, the result of the test is more real and reliable.
Description
Technical field
The utility model relates to a kind of test review equipment of bituminous mixture high temperature rutting resistance, specially refers to a kind of wheel rutting test machine.
Background technology
The top course of domestic and international highways at different levels or other carriage way mainly adopts bituminous mixture at present, bituminous mixture is mainly by pitch, composition gathers materials, bituminous mixture belongs to bullet, sticking, plastic material, intensity height when temperature is low, intensity reduces when the summer, temperature was high, groove is a rut to tend to produce longitudinally at runway under the effect of vehicle, when rut is serious, not only influence the comfortableness of driving, also can bring potential safety hazard to high speed traveling, rut is one of main mode of failure of present flexible pavement, and highway administration department will spend a large amount of maintenance expenses every year for this reason.
The bituminous mixture medium pitch content of flexible pavement, the proportioning of gathering materials is the key factor that influences rut, under the identical environment for use and the magnitude of traffic flow, reasonably material mixture ratio plays an important role to reducing asphalt pavement rut, form in the design at the material of bituminous mixture, need to design at the proportioning of concrete service condition to bituminous mixture, in design process, usually several different bituminous mixture proportionings of preliminary design also are pressed into bitumen mixture specimen respectively according to the rules, adopt special test apparatus to test at a certain temperature, therefrom select the best a kind of bituminous mixture proportioning of rutting resistance, be used for the making of real road.
Usually adopt reciprocating asphalt compound wheel rutting test machine at the asphalt mixture in track test equipment that adopts both at home and abroad at present, its primary structure is by motor, load transfer device, connecting rod, slide plate, counter-balanced carriage, balancing weight, rubber wheel connects formation, during concrete the test, the motor machine drives slide plate by load transfer device and connecting rod and back and forth moves horizontally, the bituminous mixture test block is fixed on the slide plate, rubber wheel is fixed on the counter-balanced carriage, move horizontally joining back and forth, the bituminous mixture test block is fixed on the slide plate, rubber wheel is fixed on the counter-balanced carriage, on counter-balanced carriage, can place different balancing weights by the difference of design, when the bituminous mixture test block back and forth moves horizontally under the drive of slide plate, rubber wheel does to have the rolling of pressure in the bituminous mixture test block, through the regular hour, bituminous mixture test block surface can form groove, judge the rutting resistance of bituminous mixture by the degree of depth of groove, adopt this compound wheel rutting test machine for asphalt mixture, owing to be that shuttle moving horizontally done in test block in test process, rubber wheel is fixed on the counter-balanced carriage, do not conform in the rolling of making level with wheel on the actual road surface, so there is certain difference in the result of test with the application of reality, has influenced the proportioning of choose reasonable bituminous mixture in the engineering.
The utility model content
The utility model aims to provide a kind of pitch wheel rutting test machine that can overcome above-mentioned defective, the technical scheme that adopts is: a kind of pitch wheel rutting test machine, comprise frame, described frame is provided with two bearings, one side of described frame is provided with the drive unit base, described drive unit base top is provided with drive unit, the top of described two bearings is led to roll with straight line and is connected, described straight line is led to roll and is provided with movable stand, described movable stand and straight line are led to roll slidably and are fixed, one end of described movable stand links to each other with drive unit by transmission device, the below of described movable stand is provided with rubber wheel base, on the described rubber wheel base rubber tire is installed, described rubber tire and rubber wheel base also are provided with displacement transducer for being rotatably connected on the described movable stand.
Described drive unit comprises reductor and motor.
Described transmission device comprises connecting rod and crank
Described movable stand and straight line are led to roll by linear bearing and are slidably fixed.
Pitch wheel rutting test machine of the present utility model also comprises temperature pick up.
The top of described two bearings is led to roll by holder and straight line and is connected.
Adopted the pitch wheel rutting test machine of technique scheme, because the pitch die trial is fixed when carrying out the pitch wheel tracking test, rubber tire is done the reciprocal rolling of level under the drive of movable stand, more approach contacting of actual wheel and flexible pavement, so the result of test is also more true and reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Among the figure: the 1-bearing, the 2-straight line is led and is rolled, 3-holder, 4-movable stand, the 5-linear bearing, 6-connecting rod, 7-crank, 8-reductor, the 9-motor, 10-rubber wheel base, 11-rubber tire, the 12-die trial, 13-drive unit base, 14-temperature pick up, the 15-frame, 16-displacement transducer, 17-drive unit, the 18-transmission device, 19-rubber wheel base connecting rod, 20-balancing weight.
The specific embodiment
As shown in Figure 1, the utility model discloses a kind of pitch wheel rutting test machine, comprise frame 15, described frame 15 is provided with two bearings 1, one side of described frame 15 is provided with drive unit base 13, described drive unit base 13 tops are provided with drive unit 17, the top of described two bearings 1 and straight line are led and are rolled 2 and be connected, described straight line is led and is rolled 2 and be provided with movable stand 4, described movable stand 4 and straight line lead roll 2 slidably fixing, one end of described movable stand 4 links to each other with drive unit 17 by transmission device 18, the below of described movable stand 4 is provided with rubber wheel base 10, on the described rubber wheel base 10 rubber tire 11 is installed, described rubber tire 11 and rubber wheel base 10 also are provided with displacement transducer 16 for being rotatably connected on the described movable stand 4.
Described drive unit 17 comprises reductor 8 and motor 9.
Described transmission device 18 comprises connecting rod 6 and crank 7
Described movable stand 4 and straight line lead roll 2 slidably fixing by linear bearing 4.
Pitch wheel rutting test machine of the present utility model also comprises temperature pick up 14.
The top of described two bearings 1 is led by holder 3 and straight line and is rolled 2 and be connected.
Below in conjunction with Fig. 1 pitch wheel rutting test machine of the present utility model is further described:
1. two bearings 1 are vertically fixed on the frame 15, side in frame 15 is provided with drive unit base 17 simultaneously, drive unit base 17 also should be vertically fixed on the frame 15, and the center of drive unit base 17 is preferably on the extended line of line of two bearings 1;
2. the height of two bearings 1 should be consistent, and be connected with straight line leads and rolls 2 in the upper end of two bearings 1, described straight line lead roll 2 should with the plane parallel of die trial 12, two bearings 1 can be led by holder 3 and straight line and be rolled 2 be connected, connected mode can be welding or bolt connects or modes such as riveted joint, and firmly degree should be led can not be subjected to displacement between rolling 2 and be advisable with bearing 1 and straight line;
3. lead to roll at straight line and be equipped with movable stand 4 on 2, movable stand 4 can be enclosed within straight line and lead and roll on 2, movable stand 4 can be under certain active force effect can be led along straight line and rolled 2 and be free to slide, lead the frictional force of rolling between 2 in order to reduce movable stand 4 and straight line, lead at movable stand 4 and straight line and to roll 2 contacts site and can also add linear bearing 5, specific practice can be that linear bearing 5 is enclosed within straight line and leads and roll on 2, and movable stand 4 is installed on the linear bearing 5;
4. below movable stand 4, be provided with rubber wheel base 10, rubber wheel base 10 can be connected with movable stand 4 by some rubber wheel base connecting rods 19, the quantity of rubber wheel base connecting rod 19 is at least two, in order to guarantee the balance of rubber wheel base 10, the quantity of rubber wheel base connecting rod 19 is preferably four, rubber wheel base 10 is provided with rubber tire 11, rubber tire 11 is to be rotatably connected with rubber wheel base 10, rubber wheel base 10 tops, when real work, need place balancing weight 20 between the rubber wheel base connecting rod 19, weight by balancing weight 20 is exerted pressure by 11 pairs of die trials 12 of rubber tire, under certain pressure reciprocal rolling is carried out in die trial 12 then, carries out wheel tracking test.
5. the end at movable stand 4 links to each other with drive unit 17 by transmission device 18, transmission device 18 can comprise connecting rod 6 and crank 7, one end of connecting rod 6 is connected with movable stand 4, connected mode is for being rotatably connected, the other end of connecting rod 6 is connected with an end of crank 7, connected mode is for being rotatably connected, the other end of crank 7 and drive unit 17 fix, rotation along with drive unit 17 driving shafts, crank 7 can be that the center along continuous straight runs rotates with the fixed point with drive unit 17, thereby driving movable stands 4 by connecting rod 6 leads along straight line and rolls 2 and do moving back and forth of level, because the below of movable stand 4 is provided with rubber wheel base 10, rubber wheel base 10 is provided with rubber tire 11, so finally drive the reciprocal rolling that rubber tire 11 is made level.
6. drive unit 17 can comprise reductor 8 and motor 9, also can be reducing motor or other driving arrangement, and drive unit 17 is fixed on the drive unit base 13.
7. on described movable stand 4, also be provided with displacement transducer 16, measure the rut degree of depth that 11 pairs of die trials 12 of rubber tire are back and forth rolled and afterwards formed by displacement transducer 16.
8. pitch wheel rutting test machine of the present utility model also comprises temperature pick up 14, because when carrying out wheel tracking test, need set certain temperature, temperature for to wheel tracking test the time is monitored, also temperature pick up 14 need be set in the pitch wheel rutting test machine, temperature pick up 14 can be arranged on the position of frame 15 near die trial 12.
Adopted the pitch wheel rutting test machine of technique scheme, when carrying out the pitch wheel tracking test since pitch die trial 12 be fixed, rubber tire 11 is done the reciprocal rolling of level under the drive of movable stand 4, more approach contacting of actual wheel and flexible pavement, so the result of test is also more true and reliable.
Claims (6)
1. pitch wheel rutting test machine, comprise frame (15), described frame (15) is provided with two bearings (1), one side of described frame (15) is provided with drive unit base (13), described drive unit base (13) top is provided with drive unit (17), the top that it is characterized in that described two bearings (1) is led with straight line and is rolled (2) and be connected, described straight line is led and is rolled (2) and be provided with movable stand (4), described movable stand (4) and straight line lead roll (2) slidably fixing, one end of described movable stand (4) links to each other with drive unit (17) by transmission device (18), the below of described movable stand (4) is provided with rubber wheel base (10), rubber tire (11) is installed on the described rubber wheel base (10), described rubber tire (11) and rubber wheel base (10) also are provided with displacement transducer (16) for being rotatably connected on the described movable stand (4).
2. pitch wheel rutting test machine according to claim 1 is characterized in that described drive unit (17) comprises reductor (8) and motor (9).
3. pitch wheel rutting test machine according to claim 1 is characterized in that described transmission device (18) comprises connecting rod (6) and crank (7)
4. pitch wheel rutting test machine according to claim 1, it is characterized in that described movable stand (4) and straight line lead roll (2) slidably fixing by linear bearing (4).
5. pitch wheel rutting test machine according to claim 1 is characterized in that it also comprises temperature pick up (14).
6. pitch wheel rutting test machine according to claim 1, the top that it is characterized in that described two bearings (1) are led with straight line by holder (3) and are rolled (2) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201213122U CN201459581U (en) | 2009-06-04 | 2009-06-04 | Wheel tracking testing machine of asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201213122U CN201459581U (en) | 2009-06-04 | 2009-06-04 | Wheel tracking testing machine of asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201459581U true CN201459581U (en) | 2010-05-12 |
Family
ID=42386934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201213122U Expired - Fee Related CN201459581U (en) | 2009-06-04 | 2009-06-04 | Wheel tracking testing machine of asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201459581U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134726A (en) * | 2013-03-01 | 2013-06-05 | 长安大学 | Bituminous pavement rolling analyzer |
| CN105954173A (en) * | 2016-06-08 | 2016-09-21 | 山西省交通科学研究院 | Macroporous asphalt mixture pore change law experimental testing device |
| CN107132137A (en) * | 2017-04-26 | 2017-09-05 | 长安大学 | A kind of asphalt constrains test specimen wheel tracking test device and method |
| CN112881217A (en) * | 2021-01-19 | 2021-06-01 | 东南大学 | Improved asphalt mixture rutting experimental device and experimental method |
-
2009
- 2009-06-04 CN CN2009201213122U patent/CN201459581U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134726A (en) * | 2013-03-01 | 2013-06-05 | 长安大学 | Bituminous pavement rolling analyzer |
| CN105954173A (en) * | 2016-06-08 | 2016-09-21 | 山西省交通科学研究院 | Macroporous asphalt mixture pore change law experimental testing device |
| CN105954173B (en) * | 2016-06-08 | 2019-10-08 | 山西省交通科学研究院 | Porous asphalt hole changing rule experiment test device |
| CN107132137A (en) * | 2017-04-26 | 2017-09-05 | 长安大学 | A kind of asphalt constrains test specimen wheel tracking test device and method |
| CN107132137B (en) * | 2017-04-26 | 2019-08-06 | 长安大学 | A kind of asphalt constraint test specimen wheel tracking test device and method |
| CN112881217A (en) * | 2021-01-19 | 2021-06-01 | 东南大学 | Improved asphalt mixture rutting experimental device and experimental method |
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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: 20100512 Termination date: 20130604 |