CN113670649B - Asphalt pavement ductility detection equipment - Google Patents
Asphalt pavement ductility detection equipment Download PDFInfo
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- CN113670649B CN113670649B CN202110910274.4A CN202110910274A CN113670649B CN 113670649 B CN113670649 B CN 113670649B CN 202110910274 A CN202110910274 A CN 202110910274A CN 113670649 B CN113670649 B CN 113670649B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The application discloses asphalt pavement ductility detection equipment, which relates to the technical field of asphalt ductility detection, and comprises a detection table, a detection device arranged on the detection table, a die arranged on one side of the detection device, a separation device arranged above the die, a cleaning device arranged on the detection table and a material taking device for taking materials, wherein the material taking device comprises a connecting cylinder inserted into a separation box, a connecting frame arranged on the connecting cylinder, a driving device arranged on the connecting frame, a circular blade arranged at the lower end of the connecting cylinder and a sealing piece arranged at the lower end of the circular blade, the connecting frame is inserted into the upper end of the separation device, the driving device is used for driving the connecting cylinder and the circular blade arranged at the lower end of the connecting cylinder to rotate, the sealing piece is detachably connected with the lower end of the connecting cylinder, the sealing piece comprises a sealing plate arranged below the circular blade, and a plurality of filtering holes are formed in the sealing plate. The application has the effect of being convenient for detecting the ductility of the asphalt pavement.
Description
Technical Field
The application relates to the field of asphalt ductility detection, in particular to an asphalt pavement ductility detection device.
Background
The asphalt mixture is a composite material, mainly composed of asphalt, coarse aggregate, fine aggregate and mineral powder, and the mixed mixture has the properties of larger plasticity, better temperature stability, good atmospheric stability, stronger water damage resistance and the like, so the asphalt mixture is commonly used as a road building material, and a pavement paved by the asphalt mixture is called an asphalt pavement.
After completion of the asphalt pavement, a inspector needs to sample and inspect the asphalt pavement after a period of use to determine whether the pavement meets the use standard, wherein the ductility of asphalt is an index in inspection.
When the ductility of the asphalt pavement is detected, detection personnel are often required to sample on site, and then the detection personnel are brought back to a laboratory to carry out the steps of cleaning, separating, ductility detection and the like to finish the detection, so that the operation is complex, and a plurality of pieces of equipment are required to be adopted to finish the detection together.
Disclosure of Invention
In order to facilitate the detection of the ductility of an asphalt pavement, the application provides an asphalt pavement ductility detection apparatus.
The application provides an asphalt pavement ductility detection device, which adopts the following technical scheme: the device comprises a detection table, a detection device arranged on the detection table, a die arranged on one side of the detection device, a separation device arranged above the die, a cleaning device arranged on the detection table and a material taking device for taking materials, wherein the detection device is used for detecting the ductility of asphalt, the separation device comprises a mounting frame arranged on the detection table, a separation box arranged on the mounting frame and a separation assembly arranged in the separation box and used for separating asphalt, a conversion bearing is arranged on the upper side surface of the separation box, and an outlet is formed in the lower side surface of the separation box corresponding to the die; the cleaning device comprises a filter plate connected to the outlet in a threaded manner, a water delivery pipe detachably connected with the filter plate and a cleaning assembly for delivering water and pumping water, wherein a plurality of filter holes are formed in the filter plate; the extracting device comprises a connecting cylinder, a connecting frame, a driving device, a circular ring blade and a sealing piece, wherein the connecting cylinder is in contact fit with the outer side face of the connecting cylinder and is arranged on the connecting cylinder, the driving device is arranged on the connecting frame, the circular ring blade is arranged at the lower end of the connecting cylinder, the sealing piece is arranged at the lower end of the circular ring blade, the friction force between the converting bearing and the connecting cylinder is larger than the self-rotating friction force of the converting bearing, the connecting frame is inserted into the upper end of a separating box, the driving device is used for driving the connecting cylinder and the circular ring blade at the lower end of the connecting cylinder to rotate, the rotating shaft of the connecting cylinder is parallel to the vertical direction, one end of the circular ring blade is connected with the lower end of the connecting cylinder, a plurality of through holes are formed in the circular ring blade, the outer side face of the circular ring blade close to one end of the connecting cylinder is provided with external threads, the sealing piece comprises a sealing plate in threaded connection with the external threads, and a mounting rod used for connecting the circular ring plate and the sealing plate, the sealing plate surrounds the lower end of the circular ring blade, and the filtering plate is also provided with a plurality of holes.
Through adopting above-mentioned technical scheme, the installation pole is the grafting connection with the separator box, when taking a sample to the road surface, directly adopt extracting device to take a sample on the road surface, take off the sealing member, after ring blade offsets with the road surface, drive driving device drives the ring blade rotation of connecting cylinder oneself, rotatory decline is taken a sample, collect the sample that will cut off in ring blade, adopt the sealing member to seal the back, return to the laboratory and peg graft link and separator box, drive cleaning assembly carries water in with the separator box, make the sample in the ring blade surrounded by water, drive driving device again this moment, make the connecting cylinder drive ring blade and the sample in the ring blade rotate in the aquatic, under centrifugal force effect, outside the impurity on sample surface shifts out the ring blade from the through-hole, drive cleaning assembly takes out the wash water in the separator box, then with cleaning assembly and filter separation, make the export open, twist the filter, clear up the impurity of piling up on the filter, connect the exit again, drive separating assembly melts the sample, the pitch after melting under the action of gravity, drip down from the export, directly detect the ductility device is used to detect on the pitch, the road surface is detected to the ductility.
The present application may be further configured in a preferred example to: the connecting frame comprises a connecting plate, connecting rods arranged at two opposite ends of the connecting plate and inserted bars respectively connected with one ends of the connecting plates far away from the corresponding connecting rods, slots are formed in the upper side surfaces of the separating boxes, one ends of the inserted bars far away from the connecting rods are inserted into the corresponding slots, the driving device comprises a driving motor arranged on the connecting plate, and an output shaft of the driving motor penetrates through the connecting plate and is connected with the upper end of the connecting cylinder.
Through adopting above-mentioned technical scheme, link and separator box grafting cooperation, conveniently take out extracting device and take a sample, and the connecting rod of connecting plate both sides can supply the inspector to take, and the inspector of being convenient for carries extracting device.
The present application may be further configured in a preferred example to: the inserted link is kept away from connecting rod one end and is established to the fillet, inserted link fillet one end is inserted and is located in the corresponding slot.
Through adopting above-mentioned technical scheme, peg graft the inserted bar and set up to the fillet with the slot in one end, can effectively improve the grafting efficiency of inserted bar, the inserted bar tip of being convenient for more aligns with the slot.
The present application may be further configured in a preferred example to: the upper side surface of the circular ring plate is propped against the lower side surface of the connecting cylinder, and a gap exists between the lower end of the circular ring blade and the upper side surface of the sealing plate.
Through adopting above-mentioned technical scheme, when adopting ring board and ring blade spiro union, when ring board upper end and connecting cylinder offset, realize sealing piece and ring blade's connection, there is the clearance between sealing board upper side and the ring blade lower extreme this moment, effectively reduces ring blade and seals the board and offset and lead to the possibility of edge of a knife wearing and tearing, and reduces the edge of a knife of ring blade and will seal the board possibility of damaging.
The present application may be further configured in a preferred example to: the separation assembly comprises a separation plate arranged in the separation box in a circle and heating resistance wires arranged in the outside of the separation plate in a circle in a surrounding mode, the upper end and the lower end of the separation plate are connected with the inner walls of the upper side and the lower side of the separation box, the lower end of the heating resistance wires is in contact with the lower side wall of the separation box, and the upper ends of the heating resistance wires are close to the upper ends of the circular ring blades.
Through adopting above-mentioned technical scheme, when separating the pitch in the sample, generate heat through heating resistance wire for pitch melts under high temperature environment, and heating resistance wire sets up in being close to ring blade department, realizes the concentrated heating to pitch, effectively improves melting efficiency.
The present application may be further configured in a preferred example to: the inner wall of a circle of the outlet on the lower side surface of the separation box is recessed downwards, and the sealing plate is surrounded on one side of the recess of the inner wall of the lower side of the separation box far away from the outlet.
Through adopting above-mentioned technical scheme, separation case downside inner wall is close to exit undercut, and when the pitch after melting drips to the exit edge, receives the direction effect of slope inner wall, concentrated transfer to in the mould from the exit, reduces the possibility that pitch after melting adheres to at separation case downside inner wall.
The present application may be further configured in a preferred example to: the cleaning assembly comprises a rotating plate, a water suction pump, two water pipes and two water receiving pipes, wherein the rotating plate is connected to the detecting table in a rotating mode, the water suction pump is arranged on the rotating plate, the water conveying pumps are arranged on the rotating plate, the two water receiving pipes are respectively communicated with a water conveying pipe, the other ends of the water pipes are respectively communicated with the water suction pump and the water conveying pump, the other ends of the water pipes are respectively communicated with a water outlet of a water outlet movable water conveying pump of the water suction pump, one check valve is arranged on each water passing pipe, one ends of the water receiving pipes are respectively communicated with a water outlet of a water inlet movable water conveying pump of the water suction pump, and the other ends of the water receiving pipes are respectively communicated with a water source.
Through adopting above-mentioned technical scheme, when washing the sample in the separation case, be connected raceway and filter, drive suction pump draws water from the water source, and after wasing, drive water pump draws water in the separation case, and when waiting to carry out the separation step, separate raceway and filter, rotate the rotor plate, can open the export.
The present application may be further configured in a preferred example to: the filter downside is provided with the go-between of a week, raceway is close to filter one end and is connected with the hose, the hose is kept away from one end cover of raceway and is established in the go-between outside, the hose diameter is less than go-between lateral surface diameter.
Through adopting above-mentioned technical scheme, be close to the filter orifice department at the raceway and set up the hose, when wasing pitch, cup joint the hose on the go-between, after wasing, take out the interior wash water of separator box, directly pull out the hose, can realize wasing subassembly and filter separation, easy to assemble and separation, and the hose material is softer, convenient angle regulation.
In summary, the application has the following beneficial technical effects:
1. the material taking device is inserted on the separating box through the inserted rod, a heating resistance wire is arranged in the separating box, when the ductility of the asphalt on the pavement is detected, the material taking device is used for taking samples, then the circular ring blade and the connecting cylinder are directly inserted into the inner ring of the conversion bearing, the cleaning device is driven to clean samples, the separating assembly is driven to separate the samples, the melted asphalt drops on the die under the action of gravity, and after the asphalt is cooled, the detecting device is used for detecting the ductility of the asphalt, so that the ductility detection of the asphalt pavement can be completed;
2. the lower end of the circular blade is provided with a tip, a gap is reserved between the circular blade and the sealing plate, the effect of protecting the blade is effectively achieved, the possibility of dulling of the blade caused by abutting or friction between the blade and the sealing plate is reduced, and the possibility of abrasion of the sealing plate by the blade is reduced;
3. one end of the water pipe, which is close to the filter plate, is connected with a hose, the hose is communicated with the water pipe, the other end of the hose is sleeved on the connecting ring, the diameter of the outer side surface of the connecting ring is smaller than that of the outer side surface of the connecting ring, when a sample is cleaned, the hose is directly sleeved on the connecting ring, and when the sample is separated after the sample is cleaned, the hose is directly pulled down, so that the cleaning assembly and the separating assembly can be connected and separated, and the use of a detector is facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1.
Fig. 3 is a schematic view of an exploded construction of the closure of the present application.
Reference numerals illustrate:
1. a detection table; 2. a detection device; 3. a mold; 4. a separation device; 41. a mounting frame; 411. a mounting plate; 412. a frame leg; 42. a separation box; 421. an outlet; 422. a slot; 43. a separation assembly; 431. a partition plate; 432. heating the resistance wire; 5. a cleaning device; 51. a filter plate; 52. a water pipe; 53. cleaning the assembly; 531. a rotating plate; 532. a water pump; 533. a water pump; 534. a water pipe; 535. a water receiving pipe; 6. a material taking device; 61. a connecting cylinder; 611. a notch; 62. a connecting frame; 621. a connecting plate; 622. a connecting rod; 623. a rod; 63. a driving motor; 64. a circular blade; 641. a through hole; 65. a sealing member; 651. a circular plate; 652. sealing plate; 653. a mounting rod; 7. a conversion bearing; 8. filtering holes; 9. a one-way valve; 10. a connecting ring; 20. and (3) a hose.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses an asphalt pavement ductility detection device, which comprises a detection table 1, a detection device 2 arranged on one side of the upper side surface of the detection table 1, a mold 3 arranged on the detection table 1 and positioned on one side of the detection device 2, a separation device 4 arranged above the mold 3, a cleaning device 5 arranged on the detection table 1 and a material taking device 6 for taking materials, wherein the cleaning device 5 is arranged between the separation device 4 and the detection device 2, as shown in fig. 1 and 2.
When the ductility of the pavement asphalt is detected, firstly, the material taking device 6 is used for taking samples of the pavement asphalt, then the material taking device 6 and samples in the material taking device 6 are brought back to a laboratory, the cleaning device 5 is used for cleaning the samples, the separating device 4 is used for separating after the cleaning is finished, the asphalt separated from the samples is collected into the die 3, and then the ductility detection is carried out on the separated asphalt by the detecting device 2.
The material taking device 6 includes a connecting frame 62, a driving device mounted on the connecting frame 62, a connecting cylinder 61 connected with the driving device, a circular blade 64 mounted at the lower end of the connecting cylinder 61, and a sealing member 65 for closing the lower end of the circular blade 64. The link 62 includes connecting plate 621, two connecting rods 622 of perpendicular installation in connecting plate 621 opposite both sides respectively and two inserted bars 623 of perpendicular connection of connecting plate 621 one end was kept away from to corresponding connecting rod 622 respectively, and drive arrangement includes driving motor 63, and driving motor 63 installs in connecting plate 621 upside, and driving motor 63's output shaft passes connecting plate 621 and is connected with connecting cylinder 61 upper end middle part. The connecting cylinder 61 is a cylindrical hollow cylinder, a notch 611 is formed in the upper middle of the lower end surface of the connecting cylinder 61, the notch 611 is surrounded by the upper end of the circular blade 64, the lower end of the circular blade 64 is a sharp knife edge, and an external thread is formed at the upper end of the outer side surface of the circular blade 64.
As shown in fig. 2 and 3, the sealing member 65 includes a sealing plate 652, four connecting rods 622 and a circular plate 651, the inner side wall of the circular plate 651 is connected with the outer side external screw thread of the circular blade 64, the diameter of the outer side wall of the circular plate 651 is smaller than that of the connecting cylinder 61, one ends of the four connecting rods 622 are connected with the lower side surface of the circular plate 651, the four connecting rods 622 are circumferentially distributed at intervals along the circular plate 651, the other ends of the connecting rods 622 are circumferentially connected with the upper side surface of the sealing plate 652, the sealing plate 652 is a circular plate, and a plurality of filter holes 8 are formed in the sealing plate 652.
When the road surface is sampled, the detection personnel can remove whole extracting device 6 through holding connecting rod 622, in the sampling process, with sealing member 65 and ring blade 64 separation, then offset ring blade 64 lower extreme edge of a knife with the road surface, drive driving motor 63, make driving motor 63 drive connecting cylinder 61 and the ring blade 64 rotation of connecting cylinder 61 below, in the rotatory in-process, manual handheld connecting rod 622 drives ring blade 64 and moves down, accomplish the sample, then place the sample of taking off in ring blade 64, cup joint ring blade 64 outside, spiral joint ring blade 651 and ring blade 64 can accomplish the extracting, and two connecting rods 622 make things convenient for the detection personnel to carry extracting device 6, be convenient for remove whole extracting device 6.
When the upper end of the circular ring plate 651 is screwed to abut against the lower end of the connecting cylinder 61, a gap is formed between the upper side surface of the sealing plate 652 and the lower end knife edge of the circular ring blade 64, so that the possibility of dulling the knife edge caused by contact between the lower end knife edge of the circular ring blade 64 and the sealing plate 652 can be reduced.
The separating apparatus 4 includes a mounting frame 41 mounted on the inspection table 1, a separating case 42 mounted on the mounting frame 41, and a separating assembly 43 mounted in the separating case 42. The mounting frame 41 comprises a mounting plate 411 and four frame legs 412 which are respectively and vertically connected to the four ends of the lower side of the mounting plate 411, the frame legs 412 are fixed on the detection table 1, and the lower end of the separation box 42 penetrates through the middle of the mounting plate 411 and is fixedly connected with the mounting plate 411.
The separation box 42 is a cylindrical box body, the conversion bearing 7 is mounted in the middle of the upper end face of the separation box 42, slots 422 are respectively formed in the radial two ends of the conversion bearing 7 on the upper end face of the separation box 42, the lower ends of two inserted bars 623 are respectively inserted into the corresponding slots 422, the outer side wall of the connecting cylinder 61 is in contact fit with the inner ring of the bearing, and the friction force between the conversion bearing 7 and the connecting cylinder 61 is greater than the rotation friction force of the conversion bearing 7.
After sampling of the material taking device 6 is completed, the material taking device 6 is brought back to a laboratory, the annular blade 64 is directly inserted into the separating box 42 through the inner ring of the conversion bearing 7 for cleaning and separating, and at the moment, the inserting rod 623 is inserted into the inserting groove 422, so that the material taking device 6 can be connected with the separating box 42.
In order to improve the plugging efficiency of the plugging rod 623 and the slot 422, the lower end of the plugging rod 623 is provided with a round corner, and one end of the round corner on the plugging rod 623 is inserted into the slot 422, so that the connection efficiency of the plugging rod 623 and the separation box 42 is effectively improved.
An outlet 421 is formed in the middle of the lower end face of the separation box 42, the outlet 421 is located right above the die 3, and the cleaning device 5 comprises a filter plate 51 connected to the outlet 421 in a threaded mode, a water pipe 52 detachably connected with the filter plate 51 and a cleaning component 53 used for water delivery and pumping. The cleaning component 53 comprises a rotating plate 531 which is rotatably connected to the detection table 1, a water suction pump 532 which is arranged on the rotating plate 531, a water delivery pump 533 which is arranged on the rotating plate 531, two water delivery pipes 534 and two water receiving pipes 535, wherein the rotating plate 531 is arranged between the mounting frame 41 and the detection device 2, a connecting ring 10 is circumferentially arranged on the lower side surface of the filter plate 51, a hose 20 is connected to the position, close to the connecting ring 10, of the water delivery pipe 52, one end, far away from the water delivery pipe 52, of the hose 20 is sleeved on the connecting ring 10, and the diameter of the hose 20 is smaller than that of the connecting ring 10.
One end of each water pipe 534 is communicated with one end of the water pipe 52 far away from the hose 20, the other end of each water pipe 534 is respectively communicated with the water outlet of the water pump 532 and the water inlet of the water pump 533, each water pipe 534 is provided with a one-way valve 9, one end of each water pipe 535 is communicated with the water inlet of the water pump 532, the other end of each water pipe 535 is communicated with a water source (not shown in the figure), one end of the other water pipe 535 is communicated with the water outlet of the water pump 533, and the other end of each water pipe 535 is communicated with the water source.
When the sample in the separation box 42 is cleaned, firstly, the water pump 532 is turned on, the water pump 532 pumps water at a water source into the separation box 42, after the water in the separation box 42 is accumulated and submerged in the circular blade 64, the driving motor 63 is driven, the driving motor 63 drives the connecting cylinder 61, the circular blade 64 at the lower end of the connecting cylinder 61 and the sample in the circular blade 64 to rotate, the sample is cleaned in the rotating process, and after the cleaning is finished, the water pump 533 is driven, the cleaning water in the separation box 42 is pumped out, so that the cleaning water can be recycled.
After cleaning, the hose 20 is taken down, the rotating plate 531 is rotated, so that the rotating plate 531 drives the water pipe 534 and the water pipe 52 to rotate, the hose 20 is separated from the outlet 421, and the outlet 421 can be opened and aligned with the die 3. Solid impurities separated from the sample in the cleaning process are blocked by the filter plate 51 and accumulated on the filter plate 51, so that the filter plate 51 can be separated from the outlet 421, the filter plate 51 is taken down for cleaning, and then the filter plate 51 is in threaded connection with the outlet 421, so that the possibility of blocking inside the water pipe 52 can be effectively reduced.
When the sample is cleaned, the driving motor 63 is driven to drive the sample to rotate in water, so that the cleaning effect is better. The check valves 9 are arranged on the water through pipes 534, so that water in the water pipe 52 can be effectively prevented from flowing back into the water through pipe 534 which does not work.
A plurality of through holes 641 are formed in the outer side surface of the circular ring blade 64, when a sample is cleaned, the through holes 641 can increase contact friction between water and the sample, and under the action of centrifugal force, solid impurities which are more convenient to clean are thrown out of the circular ring blade 64, after the water delivery pump 533 pumps out the cleaning water, the circular ring blade 64 and the sample continue to rotate, a spin-drying effect can be effectively achieved, and the separation efficiency of the next-step high-temperature separation sample can be effectively improved.
The separation assembly 43 comprises a separation plate 431 and heating resistance wires 432, the separation plate 431 is arranged along the circumference of the inner side wall of the separation box 42, the upper end and the lower end of the separation plate 431 are respectively fixedly connected with the inner walls of the upper side and the lower side of the separation box 42, the heating resistance wires 432 are wound and installed on the separation plate 431 along the outer side face of the separation plate 431, the heating resistance wires 432 are positioned between the separation plate 431 and the separation box 42, the upper ends of the heating resistance wires 432 are flush with the upper ends of the circular ring blades 64, and the lower ends of the heating resistance wires 432 are propped against the lower side wall of the separation box 42.
After cleaning, the heating resistor wire 432 heats, the sample in the circular blade 64 is heated and separated at high temperature, asphalt in the sample is melted first after being heated at high temperature, the melted asphalt drops onto the die 3 through the outlet 421, the asphalt in the sample is separated, and then the ductility of the asphalt is detected.
The lower sidewall outlet 421 of the separator tank 42 is recessed downward all around, and the recess encloses the seal plate 652. When asphalt separation is carried out, the melted asphalt drops downwards to the concave part, and is intensively transferred from the outlet 421 to the die 3 under the guiding action of the inclination angle of the inner wall of the lower side of the separation box 42, so that the possibility that the melted asphalt adheres to the inner wall of the lower side of the separation box 42 can be effectively reduced.
The implementation principle of the embodiment of the application is as follows:
firstly, sampling by adopting a material taking device 6 on an asphalt pavement, unscrewing a sealing piece 65, enabling a knife edge at the lower end of a circular blade 64 to prop against the asphalt pavement, driving a driving motor 63, driving the driving motor 63 to drive a connecting cylinder 61 and the circular blade 64 below the connecting cylinder 61 to rotate, pressing the material taking device 6 downwards in the rotating process to cut the asphalt pavement, collecting the cut sample in the circular blade 64, sealing by adopting the sealing piece 65, returning to a laboratory, inserting the circular blade 64 into a separation box 42, enabling the outer side face of the connecting cylinder 61 to be in contact with a conversion bearing 7, inserting the lower end of a plug rod 623 into a corresponding slot 422, rotating a rotating plate 531, enabling a hose 20 to be close to an outlet 421, the hose 20 is sleeved on the connecting ring 10, the water suction pump 532 is driven to soak a sample in water, the driving motor 63 is driven to rotate, the connecting cylinder 61 drives the circular ring blade 64 and the sample in the circular ring blade 64 to rotate in water, impurities on the surface of the sample move out of the circular ring blade 64 from the through hole 641 under the action of centrifugal force, then the water suction pump 533 is driven to pump out water in the separation tank 42, the hose 20 and the connecting ring 10 are separated, the rotating plate 531 is rotated again, the outlet 421 is opened and aligned with the die 3, the separation device 4 is driven to melt asphalt in the sample and drop onto the die 3 through the outlet 421, and after cooling, asphalt ductility detection is carried out by adopting the detection device 2, so that asphalt pavement ductility detection is completed.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the present application should be covered by the scope of the application.
Claims (7)
1. An asphalt pavement ductility detection device, which is characterized in that: the device comprises a detection table (1), a detection device (2) arranged on the detection table (1), a die (3) arranged on one side of the detection device (2), a separation device (4) arranged above the die (3), a cleaning device (5) arranged on the detection table (1) and a material taking device (6) used for taking materials, wherein the detection device (2) is used for detecting the ductility of asphalt, the separation device (4) comprises a mounting frame (41) arranged on the detection table (1), a separation box (42) arranged on the mounting frame (41) and a separation assembly (43) arranged in the separation box (42) and used for separating asphalt, a conversion bearing (7) is arranged on the upper side surface of the separation box (42), and an outlet (421) is formed in the lower side surface of the separation box (42) corresponding to the die (3); the cleaning device (5) comprises a filter plate (51) connected to the outlet (421) in a screwed mode, a water conveying pipe (52) detachably connected with the filter plate (51) and a cleaning assembly (53) used for conveying water and pumping water, and a plurality of filter holes (8) are formed in the filter plate (51); the material taking device (6) comprises a connecting cylinder (61) with the outer side surface in contact fit with a conversion bearing (7), a connecting frame (62) arranged on the connecting cylinder (61), a driving device arranged on the connecting frame (62), a circular ring blade (64) arranged at the lower end of the connecting cylinder (61) and a sealing piece (65) arranged at the lower end of the circular ring blade (64), wherein the friction force between the conversion bearing (7) and the connecting cylinder (61) is larger than the rotation friction force of the conversion bearing (7) per se, the connecting frame (62) is inserted into the upper end of a separating box (42), the driving device is used for driving the connecting cylinder (61) and a circular ring blade (64) at the lower end of the connecting cylinder (61) to rotate, the rotating shaft of the connecting cylinder (61) is parallel to the vertical direction, one end of the circular ring blade (64) is connected with the lower end of the connecting cylinder (61), a plurality of through holes (641) are formed in the circular ring blade (64) near the lower end of the connecting cylinder (61), the outer side surface of one end of the connecting cylinder (7) is provided with an outer thread, the circular ring blade (65) is arranged at the outer thread of the sealing piece (651), the sealing plate (652) is arranged at the sealing plate (652) and the sealing plate (652) is arranged at the lower end of the sealing plate (652) and the sealing plate (652), a plurality of filtering holes (8) are also formed in the sealing plate (652);
the separation assembly (43) comprises a separation plate (431) arranged on the inner periphery of the separation box (42) and heating resistance wires (432) arranged on the outer periphery of the separation plate (431) in a surrounding mode, the upper end and the lower end of the separation plate (431) are connected with the inner walls of the upper side and the lower side of the separation box (42), the lower end of the heating resistance wires (432) is in contact with the lower side wall of the separation box (42), and the upper ends of the heating resistance wires (432) are close to the upper ends of the circular ring blades (64).
2. The asphalt pavement ductility detection apparatus according to claim 1, wherein: the connecting frame (62) comprises a connecting plate (621), connecting rods (622) arranged at two opposite ends of the connecting plate (621) and inserting rods (623) connected with one ends of the connecting plate (621) far away from the corresponding connecting rods (622), slots (422) are formed in the upper side face of the separating box (42), the inserting rods (623) are inserted into the corresponding slots (422) far away from one ends of the connecting rods (622), the driving device comprises a driving motor (63) arranged on the connecting plate (621), and an output shaft of the driving motor (63) penetrates through the connecting plate (621) to be connected with the upper end of the connecting cylinder (61).
3. The asphalt pavement ductility detection apparatus according to claim 2, wherein: the end, far away from the connecting rod (622), of the inserted link (623) is provided with a round angle, and one end of the round angle of the inserted link (623) is inserted into the corresponding slot (422).
4. The asphalt pavement ductility detection apparatus according to claim 1, wherein: the upper side surface of the circular ring plate (651) is propped against the lower side surface of the connecting cylinder (61), and a gap exists between the lower end of the circular ring blade (64) and the upper side surface of the sealing plate (652).
5. The asphalt pavement ductility detection apparatus according to claim 1, wherein: the inner wall of a circle of the outlet (421) on the lower side surface of the separation box (42) is recessed downwards, and the sealing plate (652) is enclosed at one side of the recessed part of the inner wall of the lower side of the separation box (42) away from the outlet (421).
6. The asphalt pavement ductility detection apparatus according to claim 1, wherein: the cleaning assembly (53) comprises a rotating plate (531) which is rotationally connected to the detection table (1), a water suction pump (532) which is arranged on the rotating plate (531), a water delivery pump (533) which is arranged on the rotating plate (531), two water delivery pipes (534) and two water receiving pipes (535), wherein one ends of the water delivery pipes (534) are communicated with the water delivery pipe (52), the other ends of the water delivery pipes (534) are respectively communicated with the water suction pump (532) and the water delivery pump (533), the other ends of the water delivery pipes (534) are respectively communicated with the water outlet of the water delivery pump (533) of the water suction pump (532), each water delivery pipe (534) is provided with a one-way valve (9), one ends of the water receiving pipes (535) are respectively communicated with the water outlet of the water inlet active water delivery pump (533) of the water suction pump (532), and the other ends of the water receiving pipes (535) are respectively communicated with the water outlet of the water delivery pump (533).
7. The asphalt pavement ductility detection apparatus according to claim 1, wherein: the utility model discloses a filter, including filter (51), raceway (52), hose (20), raceway (52) are provided with go-between (10) of a week in the downside, raceway (52) are close to filter (51) one end and are connected with hose (20), hose (20) are kept away from one end cover of raceway (52) and are established in go-between (10) outside, hose (20) diameter is less than go-between (10) lateral surface diameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910274.4A CN113670649B (en) | 2021-08-09 | 2021-08-09 | Asphalt pavement ductility detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910274.4A CN113670649B (en) | 2021-08-09 | 2021-08-09 | Asphalt pavement ductility detection equipment |
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| CN113670649A CN113670649A (en) | 2021-11-19 |
| CN113670649B true CN113670649B (en) | 2023-08-29 |
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| US10718699B2 (en) * | 2016-01-28 | 2020-07-21 | William B. Coe | Rolling cyclic fatigue test platform for determining asphalt ductility |
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| CN113670649A (en) | 2021-11-19 |
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