阅读说明：本技术 沥青混合料车辙试验装置 (Asphalt mixture in track test device ) 是由 王笛清 于 2019-08-28 设计创作，主要内容包括：本发明公开了一种沥青混合料车辙试验装置,包括：箱体；支撑平台,设置于所述箱体内,所述支撑平台上设置有一固定轴,所述固定轴上转动连接有一转动板件,所述转动板件包括从左至右依次连接的试模板、连板和传动板；电机,设置于所述箱体内,且位于所述传动板下方,所述电机带动所述传动板做往复摆动；压杆,铰接于所述箱体的一短边侧壁上,所述压杆中部向下设置有一连杆,所述连杆末端连接有碾轮,所述压杆末端设置有配重块,以使所述碾轮抵压在所述试模板上的沥青混合料试模表面。本发明能够通过沥青混合料试模的往复摆动模拟转弯或者掉头路段沥青混合料试模上的实际行车状况,可以更准确的提供转弯或者掉头路段沥青混合料的车辙试验数据。(The invention discloses a kind of asphalt mixture in track test devices, comprising: cabinet；Support platform is set in the cabinet, and a fixing axle is provided in the support platform, and a rotation plate is rotatably connected in the fixing axle, and the rotation plate includes sequentially connected die trial plate, connecting plate and driver plate from left to right；Motor is set in the cabinet, and is located at below the driver plate, and the motor drives the driver plate to do reciprocally swinging；Compression bar, it is articulated on a short side side wall of the cabinet, is vertically provided with a connecting rod in the middle part of the compression bar, the connecting rod end is connected with muller, the compression bar end is provided with clump weight, so that the muller is pressed on the test die for bituminous mixture surface on the die trial plate.The present invention can simulate the practical driving conditions on perhaps turn-around test die for bituminous mixture of turning by the reciprocally swinging of test die for bituminous mixture can more accurately provide the wheel tracking test data of turning or turn-around asphalt.)

1. a kind of asphalt mixture in track test device characterized by comprising

Cabinet；

Support platform is set in the cabinet, and is arranged on a short side side wall of the cabinet, the support platform There is a fixing axle, a rotation plate is rotatably connected in the fixing axle, the rotation plate includes being sequentially connected from left to right Die trial plate, connecting plate and driver plate, the die trial plate be it is rectangular, the connecting plate be rectangle, the driver plate be round rectangle, institute The angle point for stating die trial plate is connected to a short end of the connecting plate, and a round edge of the driver plate is connected to the another of the connecting plate One short end offers the axis hole to match with the fixing axle on the connecting plate, and the driver plate is located at the support platform Range offers the limition orientation hole of strip outside and on another short side side wall of the cabinet, the driver plate；

Motor is set in the cabinet, and is located at below the driver plate, is coaxially connected on the output shaft of the motor The upper surface of one flywheel, the flywheel is provided with a moving axis close to edge, and the moving axis is threaded through in the limition orientation hole, So that the motor drives the driver plate to do reciprocally swinging；

Compression bar is located above the support platform and is articulated on a short side side wall of the cabinet, the compression bar with it is described Rotation plate is in same straight line, is vertically provided with a connecting rod in the middle part of the compression bar, the connecting rod end is connected with muller, described Compression bar end is provided with clump weight, so that the muller is pressed on the test die for bituminous mixture table being fixed on the die trial plate Face；

Wherein, die trial board bottom face the other three angle point is respectively provided with a support column, and indent rolling in the support column lower end is embedded with One ball, the ball contradicts in the support platform, to support the die trial plate with driver plate reciprocally swinging.

2. asphalt mixture in track test device as described in claim 1, which is characterized in that the case lid of the cabinet is right angle Folded plate, and be covered in the top surface of the cabinet and a long side side wall of the cabinet, the case lid the cabinet top surface with The long side of the cabinet is hinged, so that the case lid is opened in gull wing type.

3. asphalt mixture in track test device as claimed in claim 2, which is characterized in that each edge of die trial plate is equal It is provided with a coaming plate, wherein three side coamings are fixedly connected with the die trial plate, in the open end that three side coamings are formed, two side coamings End face be provided with threaded hole, the plate face of last side coaming is respectively provided with opposite with the threaded hole logical at two close end Hole is provided with bolt in the through-hole, last side coaming is detachably fixed in the open end of three side coamings formation, finally The plate face of one side coaming towards the open end that three side coamings are formed is provided with hard rubber pad, is placed on the die trial plate with pushing against Test die for bituminous mixture.

4. asphalt mixture in track test device as claimed in claim 3, which is characterized in that the height of the coaming plate is higher than institute Test die for bituminous mixture top surface is stated, is additionally provided with water injection pipe in the cabinet, to be filled the water in the frame slot that is surrounded to four blocks of coaming plates.

5. asphalt mixture in track test device as claimed in claim 2, which is characterized in that ground described in face on the case lid It is provided with laser range finder at wheel minimum point, it is described with the spacing for measuring laser range finder probe with being arranged at connecting rod on compression bar Laser range finder and a display communicate to connect, and the distance values are reflected in real time by curve.

6. asphalt mixture in track test device as described in claim 1, which is characterized in that the motor is variable-frequency motor.

Technical field

The present invention relates to bituminous pavement testing equipment fields.It is more particularly related to a kind of asphalt vehicle Rut experimental rig.

Background technique

The service performance of fast development with highway in China, bituminous pavement is increasingly taken seriously, and track is not The service life that reduced by only road surface, also drastically influences travel safety, and track becomes the Major Diseases of bituminous pavement, track The permanent deformation of asphalt when occurring mainly with high temperature, wheel tracking test are the simple easy of evaluation asphalt high temperature deformation Row method.However most track experimental provision is linear reciprocation wheel tracking test at present, but in some turnings or fall The section of head, road surface actual conditions and straight-line travelling section are often different, this illustrates original linear reciprocation wheel tracking test not It can accurately reflect the actual loading situation for being laid on turning or turn-around asphalt, therefore be badly in need of a kind of can test and spread It is located at the wheel tracking test device of turning or turn-around asphalt.

Summary of the invention

It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.

It is a still further object of the present invention to provide it is a kind of can test be laid on turning or turn-around asphalt Asphalt mixture in track test device.

In order to realize these purposes and other advantages according to the present invention, a kind of asphalt mixture in track test dress is provided It sets, comprising:

Cabinet；

Support platform is set in the cabinet, and on a short side side wall of the cabinet, the support platform It is provided with a fixing axle, is rotatably connected to a rotation plate in the fixing axle, the rotation plate includes from left to right successively Die trial plate, connecting plate and the driver plate of connection, the die trial plate be it is rectangular, the connecting plate be rectangle, the driver plate be fillet square Shape, an angle point of the die trial plate are connected to a short end of the connecting plate, and a round edge of the driver plate is connected to the company Another short end of plate offers the axis hole to match with the fixing axle on the connecting plate, and the driver plate is located at the branch Another short side side wall of the outer and close cabinet of flat roof area is supportted, the limition orientation of strip is offered on the driver plate Hole；

Motor is set in the cabinet, and is located at below the driver plate, is coaxially connected on the output shaft of the motor It is connected to a flywheel, the upper surface of the flywheel is provided with a moving axis close to edge, and the moving axis is threaded through the limition orientation In hole, so that the motor drives the driver plate to do reciprocally swinging；

Compression bar is located above the support platform and is articulated on a short side side wall of the cabinet, the compression bar with The rotation plate is in same straight line, is vertically provided with a connecting rod in the middle part of the compression bar, and the connecting rod end is connected with muller, The compression bar end is provided with clump weight, so that the muller is pressed on the test die for bituminous mixture being fixed on the die trial plate Surface；

Wherein, die trial board bottom face the other three angle point is respectively provided with a support column, and support column lower end indent rolls embedding Equipped with a ball, the ball is contradicted in the support platform, to support the die trial plate with driver plate reciprocally swinging.

Preferably, the case lid of the cabinet is right angle folded plate, and be covered in the cabinet top surface and the cabinet One long side side wall, the case lid is hinged in the top surface of the cabinet and the long side of the cabinet, so that the case lid is in gull wing type It opens.

Preferably, each edge of die trial plate is provided with a coaming plate, wherein three side coamings and the die trial plate are solid Fixed connection, in the open end that three side coamings are formed, the end face of two side coamings is provided with threaded hole, the plate face of last side coaming It is respectively provided with the through-hole opposite with the threaded hole at two close end, is provided with bolt in the through-hole, by last side coaming It is detachably fixed in the open end of three side coamings formation, the plate face of last side coaming towards the open end that three side coamings are formed is set It is equipped with hard rubber pad, to push against the test die for bituminous mixture being placed on the die trial plate.

Preferably, the height of the coaming plate is higher than the test die for bituminous mixture top surface, is additionally provided in the cabinet Water injection pipe, to be filled the water in the frame slot that is surrounded to four blocks of coaming plates.

Preferably, it is provided with laser range finder at muller minimum point described in face on the case lid, to measure Laser Measuring Distance meter probe is communicated to connect with the spacing being arranged at connecting rod on compression bar, the laser range finder and a display, between described Reflected in real time away from numerical value by curve.

Preferably, the motor is variable-frequency motor.

The present invention is include at least the following beneficial effects: can by the reciprocally swinging of test die for bituminous mixture simulate turning or Practical driving conditions on person's turn-around test die for bituminous mixture can more accurately provide turning or turn-around pitch The wheel tracking test data of mixture cause to connect simultaneously because the groove generated during wheel tracking test makes compression bar slightly sagging Bar is not vertical with test die for bituminous mixture, but slightly tilts to the direction far from the bend center of circle, and such connecting rod passes to muller (there is also the centrifugation Transverse Shears of horizontal direction i.e. in addition to the pressure of vertical direction closer to the situation in real driving conditions for pressure Shear force), obtained data are more in line with actual conditions.

Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.

Detailed description of the invention

Fig. 1 is the overlooking structure diagram of a wherein embodiment of the invention；

Fig. 2 is the overlooking structure diagram under a wherein embodiment working condition of the invention；

Fig. 3 is the side structure schematic diagram of a wherein embodiment of the invention；

Fig. 4 is the enlarged structure schematic diagram at a wherein embodiment A of the invention；

Fig. 5 is the structural schematic diagram of case lid described in a wherein embodiment of the invention；

Fig. 6 is the structural schematic diagram of coaming plate described in a wherein embodiment of the invention.

Specific embodiment

Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text Word can be implemented accordingly.

It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", " vertical To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description, It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because This is not considered as limiting the invention.

As shown in figs. 1 to 6, the present invention provides a kind of asphalt mixture in track test device, comprising:

Cabinet 1, cabinet 1 here can be temperature control box, and the temperature that can be arranged in cabinet 1 reaches certain value and keeps the temperature, Due to generally requiring asphalt mixture in track test in pitch and Asphalt Mixture Experiment regulation (JTJ052-2000) T0719 Temperature at 60 ± 1 DEG C, so can be set in temperature control box here temperature value be 60 DEG C, the case lid 18 of cabinet 1 can be set here It sets in top surface or on positive long side side wall；

Support platform 2 is set in the cabinet 1, and close to a short side side wall of the cabinet 1, the support is flat Be provided with a fixing axle 3 on platform 2, be rotatably connected to a rotation plate in the fixing axle 3, the rotation plate include from a left side to Right sequentially connected die trial plate 4, connecting plate 5 and driver plate 6, the die trial plate 4 be it is rectangular, the connecting plate 5 is rectangle, the transmission Plate 6 is round rectangle, and an angle point of the die trial plate 4 is connected to a short end of the connecting plate 5, a circle of the driver plate 6 While being connected to another short end of the connecting plate 5, the axis hole to match with the fixing axle 3 is offered on the connecting plate 5, it is described Driver plate 6 is located at another short side side wall of the outer and close cabinet 1 of 2 range of support platform, opens up on the driver plate 6 There is the limition orientation hole 7 of strip.Here since the pitch for defining standard in pitch and Asphalt Mixture Experiment regulation mixes Die trial is expected having a size of 300 × 300 × 50mm, so the size of die trial plate 4 is at least otherwise less than the size；

Motor 8 is set in the cabinet 1, and is located at 6 lower section of driver plate, same on the output shaft of the motor 8 Axis connection has a flywheel 9, and the upper surface of the flywheel 9 is provided with a moving axis 10 close to edge, and the moving axis 10 is threaded through institute It states in limition orientation hole 7, so that the motor 8 drives the driver plate 6 to do reciprocally swinging, motor 8 can be set to become here Frequency motor is 42 due to alsoing specify slew rate in pitch and Asphalt Mixture Experiment regulation to facilitate the slew rate of control driver plate 6 Beat/min (round-trip calculate primary), so ordinary motor 8 also can be used in motor 8, certain ordinary motor 8, which needs to connect, slows down Device uses, but in order to which higher or lower slew rate can be tested, it is more preferable using the scheme of variable-frequency motor；

Compression bar 11 is located at 2 top of support platform and is articulated on a short side side wall of the cabinet 1, the pressure Bar 11 and the rotation plate are in same straight line, and a connecting rod 12,12 end of connecting rod are vertically provided in the middle part of the compression bar 11 End is connected with muller 13, and 11 end of compression bar is provided with clump weight 14, so that the muller 13, which is pressed on, is fixed on the examination Test die for bituminous mixture surface in template 4, the specification of muller 13 is also to limit in pitch and Asphalt Mixture Experiment regulation here Fixed standard component, therefore which is not described herein again, the pressure that muller 13 is applied to test die for bituminous mixture surface is mixed in pitch and pitch Close material testing regulations in be limited to 0.7 ± 0.05MPa, then according to lever principle and connecting rod 12 be in the position on compression bar 11 and The length of compression bar 11 can calculate the weight of clump weight 14；

Wherein, the 4 bottom surface the other three angle point of die trial plate is respectively provided with a support column 15,15 lower end indent of the support column rolling Dynamic to be embedded with a ball 16, the ball 16 contradicts in the support platform 2, to support the die trial plate 4 past with driver plate 6 Physical pendulum is dynamic, and what 15 lower end of support column opened up here is 16 slot of hemispherical ball, first shelves ball 16 into 16 slot of ball, then The coaxial affixed cylindric limited block 17 in 15 lower end of support column opens up cambered surface funnel-form through-hole 21 just to resist in limited block 17 Ball 16 only allows 16 lower part of ball to expose spherical cap portion for walking.

Compression bar 11 in use, is first lifted up by above-described embodiment, then the test die for bituminous mixture that will be made It is fixed on die trial plate 4, the muller 13 on compression bar 11 is then shelved into test die for bituminous mixture surface.It here can on die trial plate 4 The coaming plate 19 as described in following example is arranged to fix test die for bituminous mixture, the mode that splicing also can be directly used is solid Determine test die for bituminous mixture.It is then shut off case lid 18, after waiting temperature in cabinets 1 to reach 60 DEG C of setting, motor 8 is opened and allows transmission Plate 6 is swung, and then die trial plate 4 is driven to do the reciprocally swinging of arc line shaped, and 45 minutes and 60 minutes whens respectively survey a rutting depth, i.e., The dynamic stability of the test die for bituminous mixture can be calculated.Here test rutting depth can be needed by manually measuring Cabinet 1 is opened, this will cause experiment and interrupts temperature change, and then experimental result is caused deviation occur, therefore, preferably under Mode described in the embodiment of face is measured using electronic equipment.

Turning or the mixing of turn-around pitch can be simulated by the reciprocally swinging of test die for bituminous mixture due to above-mentioned Expect the practical driving conditions in die trial, the wheel tracking test number of turning or turn-around asphalt can be more accurately provided According to causing connecting rod 12 not mix with pitch simultaneously because the groove generated during wheel tracking test makes compression bar 11 slight sagging Expect that die trial surface is vertical, but slightly tilted to the direction far from the bend center of circle, such connecting rod 12 passes to the pressure of muller 13 more Situation (there is also the centrifugation cross shears of horizontal direction i.e. in addition to the pressure of vertical direction) close in reality driving conditions, Obtained data are more in line with actual conditions.

In another embodiment, the case lid 18 of the cabinet 1 be right angle folded plate, and be covered in the cabinet 1 top surface and One long side side wall of the cabinet 1, the case lid 18 is hinged in the top surface of the cabinet 1 and the long side of the cabinet 1, so that institute Case lid 18 is stated to open in gull wing type.It is lower due to will lead to 11 raising height of compression bar in the front of cabinet 1 setting case lid 18, so one Test die for bituminous mixture could be set aside on die trial plate 4 by directly needing another staff's help to lift compression bar 11, be pushed up in cabinet 1 Face setting case lid 18 needs staff to bend over to probe into cabinet 1 and shelve test die for bituminous mixture again, both modes not sides Just.And the case lid 18 of the present embodiment, not only will not influence compression bar 11 lifts, and staff is also facilitated to shelve asphalt examination Mould.

In another embodiment, each edge of the die trial plate 4 is provided with a coaming plate 19, wherein three side coamings 19 and institute Die trial plate 4 is stated to be fixedly connected, in the open end that three side coamings 19 are formed, the end face of two side coamings 19 is provided with threaded hole 20, The plate face of last side coaming 19 is respectively provided with the through-hole 21 opposite with the threaded hole 20 at two close end, sets in the through-hole 21 It is equipped with bolt, last side coaming 19 is detachably fixed in the open end that three side coamings 19 are formed, last side coaming 19 The plate face of the open end formed towards three side coamings 19 is provided with hard rubber pad, to push against the drip being placed on the die trial plate 4 Green mixture die trial.Here the size of die trial plate 4 is slightly larger than the test die for bituminous mixture size of standard, in this way could be in die trial plate Coaming plate 19 is arranged in 4 edge, so that the just standard compliant test die for bituminous mixture size requirement of the size in coaming plate 19.And such as Fruit is using the affixed coaming plate 19 in four sides, then test die for bituminous mixture is put into coaming plate 19 or from enclosing by inconvenient staff It is taken out in plate 19, so one dismountable coaming plate 19 of setting.

In another embodiment, the height of the coaming plate 19 is higher than the test die for bituminous mixture top surface, in the cabinet 1 It is additionally provided with water injection pipe 22, to fill the water in the frame slot that surrounds to four blocks of coaming plates 19.Pitch under dynamic water scouring state can be simulated in this way Driving conditions in mixture die trial obtain richer experimental data.Here it is enclosed since 4 reciprocally swinging of die trial plate can agitate Water wave in plate 19, therefore the height of coaming plate 19 can be properly increased and largely be splashed out outside coaming plate 19 to avoid water droplet.

In another embodiment, it is provided with laser range finder 23 at 13 minimum point of muller described in face on the case lid 18, With the spacing for measuring the probe of laser range finder 23 with being arranged at connecting rod 12 on compression bar 11, the laser range finder 23 and a display Communication connection reflects the distance values by curve in real time.Here by calculating initial spacing and real-time spacing, the two Difference, that is, rutting depth, the drawbacks of rutting depth can avoid manual measurement, while measurement result are obtained by laser range finder 23 Also more accurate.

In another embodiment, the motor 8 is variable-frequency motor, 4 slew rate of die trial plate adjustable in this way, to test more multipole The driving conditions of test die for bituminous mixture under the conditions of end enrich experimental data.

Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and legend shown and described herein.