CN113670649A - Asphalt pavement ductility detection equipment - Google Patents
Asphalt pavement ductility detection equipment Download PDFInfo
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- CN113670649A CN113670649A CN202110910274.4A CN202110910274A CN113670649A CN 113670649 A CN113670649 A CN 113670649A CN 202110910274 A CN202110910274 A CN 202110910274A CN 113670649 A CN113670649 A CN 113670649A
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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 invention 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 mold arranged on one side of the detection device, a separating device arranged above the mold, a cleaning device arranged on the detection table and a material taking device used 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 at the upper end of the separating 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 circular blade is connected with the lower end of the connecting cylinder, the sealing piece is detachably connected with the circular blade, and comprises a sealing plate arranged below the circular blade, the sealing plate is provided with a plurality of filtering holes. This application has the effect of the ductility of being convenient for detect bituminous paving.
Description
Technical Field
The invention relates to the field of asphalt ductility detection, in particular to asphalt pavement ductility detection equipment.
Background
The asphalt mixture is a composite material, mainly comprising asphalt, coarse aggregate, fine aggregate and mineral powder, and the mixed mixture has the performances of larger plasticity, better temperature stability, good atmospheric stability, stronger water damage resistance and the like, so the asphalt mixture is often used as a material for road construction, and a pavement formed by paving is called an asphalt pavement.
After the asphalt pavement is completed, a tester needs to sample and test the asphalt pavement after being used for a period of time so as to determine whether the pavement meets the use specification, wherein the ductility of the asphalt is one of the indexes in the test.
When carrying out bituminous paving ductility and detecting, often need the testing personnel to take a sample at the scene, then take back to the laboratory and wash, separate, steps such as ductility detection accomplish the detection, complex operation, and need adopt multinomial equipment to accomplish the detection jointly.
Disclosure of Invention
In order to facilitate the ductility that detects bituminous paving, the application provides a bituminous paving ductility check out test set.
The application provides a bituminous paving ductility check out test set adopts following technical scheme: the asphalt ductility detection device comprises a detection table, a detection device arranged on the detection table, a mold arranged on one side of the detection device, a separation device arranged above the mold, a cleaning device arranged on the detection table and a material taking device used for taking materials, wherein the detection device is used for detecting the ductility of asphalt; the cleaning device comprises a filter plate in threaded connection with the outlet, a water delivery pipe detachably connected with the filter plate and a cleaning assembly for delivering and pumping water, and a plurality of filter holes are formed in the filter plate; the material taking device comprises a connecting cylinder, a connecting frame, a driving device, a circular blade and a sealing piece, wherein the outer side face of the connecting cylinder is in contact fit with a conversion bearing ring, the connecting frame is arranged on the connecting cylinder, the driving device is arranged on the connecting frame, the circular blade is arranged at the lower end of the connecting cylinder, the sealing piece is arranged at the lower end of the circular blade, the friction force between the conversion bearing and the connecting cylinder is greater than the self-rotation friction force of the conversion bearing, the connecting frame is inserted at the upper end of a separation box, the driving device is used for driving the connecting cylinder and the circular 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 blade is connected with the lower end of the connecting cylinder, a plurality of through holes are formed in the circular blade, an external thread is arranged on the outer side face of one end, close to the connecting cylinder, the sealing piece comprises a circular plate in threaded connection with the external thread, a sealing plate arranged at the lower end of the circular blade and an installation rod used for connecting the circular plate and the sealing plate, the sealing plate surrounds the lower end of the circular blade, and a plurality of filtering holes are also formed in the sealing plate.
By adopting the technical scheme, the mounting rod is in plug connection with the separation box, when the road surface is sampled, the material taking device is directly adopted to sample the road surface, the sealing piece is taken down, the circular blade abuts against the road surface, the driving device drives the connecting cylinder to rotate the circular blade, the circular blade rotates and descends to take samples, the cut samples are collected in the circular blade, the sealing piece is used for sealing, the connecting frame is returned to a laboratory to be plugged with the separation box, the cleaning component is driven to convey water in the separation box, the samples in the circular blade are surrounded by the water, at the moment, the driving device is driven again, the connecting cylinder drives the circular blade and the samples in the circular blade to rotate in the water, impurities on the surfaces of the samples are moved out of the circular blade from through holes under the action of centrifugal force, the cleaning component is driven to extract cleaning water in the separation box, and then the cleaning component is separated from the filter plate, make the export open, twist and move the filter, pile up impurity on the clearance filter, again with the filter spiro union in the exit, drive separable set melts the sample this moment, and pitch after the melting drips under the action of gravity, directly drips to the mould from the exit on, after waiting to cool off, adopts detection device to carry out pitch ductility and detects, accomplishes bituminous paving ductility and detects.
The present application may be further configured in a preferred example to: the connecting frame includes the connecting plate, sets up the connecting rod at the relative both ends of connecting plate and keeps away from the inserted bar that connecting plate one end is connected with corresponding connecting rod respectively, the slot has been seted up on the separator box upper flank, the inserted bar is kept away from connecting rod one end and is all inserted and locate corresponding the slot in, drive arrangement is including setting up the driving motor on the connecting plate, driving motor's output shaft passes the connecting plate and is connected with the connecting cylinder upper end.
Through adopting above-mentioned technical scheme, the link cooperates with the separator box is pegged graft, conveniently takes out extracting device and takes a sample, and connecting plate both sides connecting rod can supply the measurement personnel to take, and the measurement personnel of being convenient for carry extracting device.
The present application may be further configured in a preferred example to: one end of the inserted bar, which is far away from the connecting bar, is designed into a round angle, and one end of the round angle of the inserted bar is inserted into the corresponding slot.
By adopting the technical scheme, the inserting rod is inserted into the slot, one end of the inserting rod is arranged to be a round angle, the inserting efficiency of the inserting rod can be effectively improved, and the end part of the inserting rod is aligned with the slot conveniently.
The present application may be further configured in a preferred example to: the upper side of the circular ring plate is abutted against the lower side of the connecting cylinder, and a gap exists between the lower end of the circular ring blade and the upper side of the sealing plate.
Through adopting above-mentioned technical scheme, when adopting ring board and ring blade spiro union to be connected, when ring board upper end and connecting cylinder offset, realize sealing and ring blade's being connected, there is the clearance between sealing board upper flank 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 possibility that the board was scratched and is decreased.
The present application may be further configured in a preferred example to: the separating assembly comprises a separating plate arranged in the separating box in a circle and a heating resistance wire arranged outside the separating plate in a circle in a surrounding mode, the upper end and the lower end of the separating plate are connected with the inner walls of the upper side and the lower side of the separating box, the lower end of the heating resistance wire is in contact with the lower side wall of the separating box, and the upper end of the heating resistance wire is close to the upper end of the circular blade.
Through adopting above-mentioned technical scheme, during the pitch in the separation sample, generate heat through the heating resistor silk for pitch melts under high temperature environment, and the heating resistor silk setting is being close to ring blade department, realizes effectively improving melting efficiency to the concentrated heating of pitch.
The present application may be further configured in a preferred example to: the inner wall of export a week is sunken downwards on the baffle-box downside surface, baffle-box downside inner wall depressed place keeps away from export one side and will seal including the board surrounds.
Through adopting above-mentioned technical scheme, separator box downside inner wall is close to exit undercut, and when pitch after melting dropped to the exit edge, received the guide effect of slope inner wall, concentrated from the exit shift to the mould in, the pitch after the reduction melting is attached to the possibility of separator box downside inner wall.
The present application may be further configured in a preferred example to: wash the subassembly including rotate connect in the rotor plate of examining on the test table, set up suction pump, the water delivery pump of setting on the rotor plate, two water service pipes and two water receiving pipes, two water service pipe one end all communicates with the raceway, two the water service pipe other end respectively with the intercommunication of suction pump, water delivery pump, two the water service pipe other end communicates with the delivery port of the delivery port live water delivery pump of suction pump respectively, every all be provided with the check valve on the water service pipe, two water receiving pipe one end communicates with the delivery port of the water inlet live water delivery pump of suction pump respectively, two the water receiving pipe other end all communicates with the water source.
Through adopting above-mentioned technical scheme, when washing the sample in the separator box, be connected the raceway with the filter, the drive suction pump is drawn water from the water source, treats that the washing finishes, and the drive water delivery pump is taken out the separator box water-logging, treats when carrying out the separation step, separates raceway and filter, rotates 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, the raceway is close to filter one end and is connected with the hose, the hose is kept away from raceway pot head 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 filter orifice plate department at the raceway and set up the hose, when wasing pitch, cup joint the hose on the go-between, finish when wasing, will separate the incasement and wash the water and take out the back, directly pull out the hose, can realize wasing subassembly and filter separation, easy to assemble and separation, and the hose material is softer, makes things convenient for angle regulation.
In summary, the invention has the following beneficial technical effects:
1. the material taking device is inserted into the separation box through the insertion rod, the heating resistance wire is arranged in the separation box, when the ductility detection of the asphalt on the pavement is carried out, the material taking device is used for sampling, then the annular blade and the connecting cylinder are directly inserted into the inner ring of the conversion bearing, the cleaning device is driven to clean the sample, then the separation component is driven to carry out sample separation, the molten asphalt drops on the mold under the action of gravity, and after cooling, the detection device is used for detecting the ductility of the asphalt, so that the ductility detection of the asphalt pavement can be completed;
2. the knife edge at the lower end of the circular blade is a tip, and a gap exists between the knife edge and the sealing plate, so that the knife edge is effectively protected, the possibility of knife edge blunting caused by butt or friction between the knife edge and the sealing plate is reduced, and the possibility of abrasion of the sealing plate by the knife edge is reduced;
3. the hose is connected to one end of the water pipe close to the filter plate, 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 face of the connecting ring is smaller than that of the outer side face of the connecting ring between the hoses, when a sample is cleaned, the hose is directly sleeved on the connecting ring, and when the separation is carried out after the cleaning is finished, the hose is directly pulled out, so that the cleaning assembly and the separation assembly can be connected in a separation mode, and the use of detection personnel is facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view at a-a in fig. 1.
Figure 3 is a schematic illustration of an exploded view of the closure of the present invention.
Description of reference numerals:
1. a detection table; 2. a detection device; 3. a mold; 4. a separation device; 41. a mounting frame; 411. mounting a plate; 412. a frame leg; 42. a separation tank; 421. an outlet; 422. a slot; 43. a separation assembly; 431. a partition plate; 432. heating resistance wires; 5. a cleaning device; 51. a filter plate; 52. a water delivery pipe; 53. cleaning the assembly; 531. a rotating plate; 532. a water pump; 533. a water delivery 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. inserting a rod; 63. a drive motor; 64. a circular blade; 641. a through hole; 65. a closure member; 651. a circular ring plate; 652. a sealing plate; 653. mounting a rod; 7. a conversion bearing; 8. filtering holes; 9. a one-way valve; 10. a connecting ring; 20. a hose.
Detailed Description
The present invention is described in further detail below with reference to figures 1-3.
The utility model discloses an asphalt pavement ductility check out test set, as shown in fig. 1, 2, including examining test table 1, install the detection device 2 who examines side one side on examining test table 1, install on examining test table 1 and be located the mould 3 of detection device 2 one side, install the separator 4 in mould 3 top, install the cleaning device 5 on examining test table 1 and be used for getting the extracting device 6 of material, cleaning device 5 installs between separator 4 and detection device 2.
When carrying out road surface pitch ductility detection, at first adopt extracting device 6 to take a sample to road surface pitch, then take the sample in extracting device 6 and extracting device 6 back to the laboratory, adopt cleaning device 5 to wash the sample, adopt separator 4 to separate after finishing washing, will follow the pitch of separating in the sample and collect to mould 3 in, then adopt detection device 2 to carry out the ductility detection to the pitch of separating.
The material taking device 6 comprises a connecting frame 62, a driving device arranged on the connecting frame 62, a connecting cylinder 61 connected with the driving device, a circular blade 64 arranged at the lower end of the connecting cylinder 61 and a sealing piece 65 for sealing the lower end of the circular blade 64. The connecting frame 62 comprises a connecting plate 621, two connecting rods 622 respectively vertically arranged on two opposite sides of the connecting plate 621 and two inserting rods 623 respectively vertically connected with one ends, far away from the connecting plate 621, of the corresponding connecting rods 622, the driving device comprises a driving motor 63, the driving motor 63 is arranged on the upper side of the connecting plate 621, and an output shaft of the driving motor 63 penetrates through the connecting plate 621 to be connected with the middle part of the upper end of the connecting cylinder 61. The connecting cylinder 61 is a cylindrical hollow cylinder, a notch 611 is formed in the middle of the upper end face of the lower end face of the connecting cylinder 61, the upper end of the circular blade 64 surrounds the notch 611 for a circle, the lower end of the circular blade 64 is a sharp knife edge, and an external thread is formed in the upper end of the outer side face 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 thread of the circular blade 64 by screw connection, the outer side wall diameter of the circular plate 651 is smaller than that of the connecting cylinder 61, one end of each of the four connecting rods 622 is connected with the lower side surface of the circular plate 651, the four connecting rods 622 are circumferentially arranged 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 taking a sample on the road surface, the detection personnel can remove whole extracting device 6 by holding connecting rod 622, in the sampling process, with sealing 65 and ring blade 64 separation, then offset ring blade 64 lower extreme edge of a knife and road surface, drive driving motor 63, make driving motor 63 drive connecting cylinder 61 and the ring blade 64 of connecting cylinder 61 below rotatory, in rotatory process, artifical handheld connecting rod 622 drives ring blade 64 and moves down, accomplish the sample, then will cut the sample that gets off and put to in ring blade 64, cup joint ring plate 651 outside ring blade 64, spiro union connects ring plate 651 and ring blade 64, can accomplish and get the material, and two connecting rods 622 make things convenient for the detection personnel to lift extracting device 6, be convenient for remove whole extracting device 6.
When the ring plate 651 is screwed to the upper end to abut against the lower end of the connecting cylinder 61, the upper side surface of the sealing plate 652 is spaced from the lower edge of the ring blade 64, so that the possibility of the lower edge of the ring blade 64 contacting the sealing plate 652 to cause the edge to be dull can be reduced.
The separating apparatus 4 includes a mounting frame 41 mounted on the test stand 1, a separating box 42 mounted on the mounting frame 41, and a separating assembly 43 mounted in the separating box 42. The mounting frame 41 includes a mounting plate 411 and four frame legs 412 vertically connected to 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 to the mounting plate 411.
The separating box 42 is a cylindrical box body, the conversion bearing 7 is arranged in the middle of the upper end face of the separating box 42, slots 422 are respectively formed in the two radial ends of the conversion bearing 7 on the upper end face of the separating box 42, the lower ends of the two inserting rods 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 larger than the self rotation friction force of the conversion bearing 7.
After the material taking device 6 finishes sampling, the material taking device 6 is taken back to the laboratory, the annular blade 64 is directly inserted into the separation box 42 through the inner ring of the conversion bearing 7 for cleaning and separation, and at the moment, the inserting rod 623 is inserted into the slot 422, so that the connection between the material taking device 6 and the separation box 42 can be completed.
In order to improve the insertion efficiency of the insertion rod 623 and the slot 422, the lower end of the insertion rod 623 is designed to be a round angle, and one end of the round angle on the insertion rod 623 is inserted into the slot 422, so that the connection efficiency of the insertion 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 mold 3, and the cleaning device 5 comprises a filter plate 51 connected to the outlet 421 in a threaded manner, a water delivery pipe 52 detachably connected with the filter plate 51, and a cleaning assembly 53 for delivering water and pumping water. Cleaning assembly 53 includes rotating plate 531 of rotating connection on examining test table 1, install suction pump 532 on rotating plate 531, install water delivery pump 533 on rotating plate 531, two water service pipe 534 and two water receiving pipe 535, rotating plate 531 installs between mounting bracket 41 and detection device 2, a go-between 10 is installed to filter 51 downside circumference, water delivery pipe 52 is close to go-between 10 department and is connected with hose 20, hose 20 keeps away from 52 one end of water delivery pipe and cup joints on go-between 10, and hose 20's diameter is less than the diameter of go-between 10.
One end of each of the two water pipes 534 is communicated with one end of the water pipe 52, which is far away from the hose 20, the other end of each of the two water pipes 534 is communicated with the water outlet of the water pump 532 and the water inlet of the water delivery pump 533, a check valve 9 is mounted on each of the two water pipes 534, one end of one water receiving pipe 535 is communicated with the water inlet of the water pump 532, the other end of the one water receiving pipe 535 is communicated with a water source (not shown), one end of the other water receiving pipe 535 is communicated with the water outlet of the water delivery pump 533, and the other end of the other water receiving pipe 535 is communicated with the water source.
When cleaning the sample in the separation box 42, firstly, the water pump 532 is turned on, the water pump 532 pumps the water from the water source to the separation box 42, after the water in the separation box 42 is accumulated to submerge 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, after the cleaning is finished, the water delivery pump 533 is driven to pump out the cleaning water in the separation box 42, and the cleaning water can be recycled.
After the cleaning, the hose 20 is taken down, and 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 is opened and aligned with the mold 3. The solid impurity who separates with the sample in the cleaning process receives the filter 51 separation, piles up on filter 51, therefore can separate filter 51 and export 421, take off filter 51 and clear up, then locate spiro union with filter 51 and export 421 again, can effectively reduce the possibility of the inside jam of raceway 52.
When the sample is cleaned, the driving motor 63 drives the sample to rotate in the water, and the cleaning effect is better. The water pipes 534 are all provided with one-way valves 9, which can effectively prevent the water in the water pipe 52 from flowing back to the non-working water pipe 534.
The outer side surface of the circular blade 64 is provided with the plurality of through holes 641, when a sample is cleaned, the through holes 641 can increase the 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 blade 64, after the water conveying pump 533 pumps out cleaning water, the circular blade 64 and the sample continue to rotate, the spin-drying effect can be effectively achieved, and the separation efficiency of the next high-temperature separation sample is effectively improved.
The separating assembly 43 comprises a separating plate 431 and a heating resistance wire 432, the separating plate 431 is arranged along the inner side wall of the separating box 42 in a circle, the upper end and the lower end of the separating plate 431 are fixedly connected with the inner walls of the upper side and the lower side of the separating box 42 respectively, the heating resistance wire 432 is wound along the outer side face of the separating plate 431 and is installed on the separating plate 431, the heating resistance wire 432 is located between the separating plate 431 and the separating box 42, the upper end of the heating resistance wire 432 is flush with the upper end of the circular ring blade 64, and the lower end of the heating resistance wire 432 is abutted against the lower side wall of the separating box 42.
After the washing finishes, generate heat through heating resistance wire 432, carry out the high temperature heating separation to the sample in the ring blade 64, pitch in the sample is at first melted after the high temperature heating, and pitch after the melting drips to mould 3 through export 421 departments on, realizes separating out the pitch in the sample, then carries out pitch ductility and detects.
The lower side wall outlets 421 of the separation box 42 are all recessed downward by one circle, and the sealing plate 652 is surrounded by the recessed section. When the pitch is separated, the melted pitch drops downwards to the concave part, and is guided by the inclined angle of the inner wall at the lower side of the separation box 42, and is intensively transferred into the mold 3 from the outlet 421, so that the possibility that the melted pitch is attached to the inner wall at 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 on an asphalt pavement by adopting a material taking device 6, unscrewing a sealing piece 65 to enable a knife edge at the lower end of a circular blade 64 to be abutted 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 samples in the circular blade 64, returning to a laboratory after sealing by adopting the sealing piece 65, inserting the circular blade 64 into a separation box 42 to enable the outer side surface of the connecting cylinder 61 to be contacted with a conversion bearing 7, inserting the lower end of an inserting rod 623 into a corresponding slot 422, rotating a rotating plate 531 to enable a hose 20 to be close to an outlet, sleeving the hose 20 on the connecting ring 10, driving a water suction pump 532 to enable the samples to be soaked in water, driving the driving motor 63 to rotate, enabling the connecting cylinder 61 to drive the circular blade 64 and the samples in the circular blade 64 to rotate in the water 421, under the effect of centrifugal force, the impurity on the surface of the sample moves out of the circular blade 64 from the through hole 641, then the water pump 533 is driven to pump out the water in the separation box 42, the separation hose 20 and the connection ring 10 rotate the rotating plate 531 again, so that the outlet 421 is opened and aligned with the mold 3, the separation device 4 is driven, the asphalt in the sample is melted and drops on the mold 3 through the outlet 421, and after cooling, the detection device 2 is adopted to detect the ductility of the asphalt, so that the ductility of the asphalt pavement is detected.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an asphalt pavement ductility check out test set which characterized in that: the asphalt ductility detection device comprises a detection table (1), a detection device (2) arranged on the detection table (1), a mold (3) arranged 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) 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 component (43) arranged in the separation box (42) and used for separating the 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 mold (3); the cleaning device (5) comprises a filter plate (51) in threaded connection with the outlet (421), a water delivery pipe (52) detachably connected with the filter plate (51) and a cleaning assembly (53) for delivering water and pumping water, wherein the filter plate (51) is provided with a plurality of filter holes (8); the material taking device (6) comprises a connecting cylinder (61) with the outer side surface in contact fit with a ring of the conversion bearing (7), a connecting frame (62) arranged on the connecting cylinder (61), a driving device arranged on the connecting frame (62), a circular 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 blade (64), wherein the friction force between the conversion bearing (7) and the connecting cylinder (61) is greater than the self-rotation friction force of the conversion bearing (7), the connecting frame (62) is inserted at the upper end of the separating box (42), the driving device is used for driving the connecting cylinder (61) and the circular 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 blade (64) is connected with the lower end of the connecting cylinder (61), and a plurality of through holes (641) are formed in the circular blade (64), and the ring blade (64) is close to the outer side face of one end of the connecting cylinder (61) and is provided with an external thread, the sealing piece (65) comprises a ring plate (651) screwed with the external thread, a sealing plate (652) arranged at the lower end of the ring blade (64) and a mounting rod (653) used for connecting the ring plate (651) and the sealing plate (652), the sealing plate (652) surrounds the lower end of the ring blade (64), and the sealing plate (652) is also provided with a plurality of filtering holes (8).
2. The asphalt pavement ductility detection apparatus according to claim 1, characterized in that: link (62) include connecting plate (621), set up connecting rod (622) at the relative both ends of connecting plate (621) and keep away from inserted bar (623) that connecting plate (621) one end is connected with corresponding connecting rod (622) respectively, slot (422) have been seted up on separator box (42) the side, inserted bar (623) are kept away from connecting rod (622) one end and are all inserted and locate corresponding slot (422) in, drive arrangement is including setting up driving motor (63) on connecting plate (621), the output shaft of driving motor (63) passes connecting plate (621) and is connected with connecting cylinder (61) upper end.
3. The asphalt pavement ductility detection apparatus according to claim 2, characterized in that: one end, far away from the connecting rod (622), of the inserting rod (623) is designed to be a round angle, and one end, with the round angle, of the inserting rod (623) is inserted into the corresponding slot (422).
4. The asphalt pavement ductility detection apparatus according to claim 1, characterized in that: the upper side surface of the circular ring plate (651) is abutted against the lower side surface of the connecting cylinder (61), and a gap is formed 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, characterized in that: the separating assembly (43) comprises a separating plate (431) arranged in the separating box (42) in a circle and heating resistance wires (432) arranged in the separating plate (431) in a circle in a surrounding mode, the upper end and the lower end of the separating plate (431) are connected with the inner walls of the upper side and the lower side of the separating box (42), the lower end of each heating resistance wire (432) is in contact with the lower side wall of the separating box (42), and the upper end of each heating resistance wire (432) is close to the upper end of the circular ring blade (64).
6. The asphalt pavement ductility detection apparatus according to claim 1, characterized in that: the inner wall of export (421) a week is sunken downwards on separator box (42) lower side surface, separator box (42) downside inner wall sunken department is kept away from export (421) one side and is enclosed including sealing plate (652).
7. The asphalt pavement ductility detection apparatus according to claim 1, characterized in that: the cleaning component (53) comprises a rotating plate (531) rotatably connected to the detection platform (1), a water suction pump (532) arranged on the rotating plate (531), a water delivery pump (533) arranged on the rotating plate (531), two water through pipes (534) and two water receiving pipes (535), two water service pipe (534) one end all communicates with raceway (52), two the water service pipe (534) other end respectively with suction pump (532), delivery pump (533) the intercommunication, two the water service pipe (534) other end respectively with the delivery port intercommunication of the delivery port live delivery pump (533) of suction pump (532), every all be provided with check valve (9) on water service pipe (534), two water receiving pipe (535) one end respectively with the delivery port intercommunication of the water inlet live delivery pump (533) of suction pump (532), two the water receiving pipe (535) other end all communicates with the water source.
8. The asphalt pavement ductility detection apparatus according to claim 1, characterized in that: filter (51) downside is provided with go-between (10) of a week, raceway (52) are close to filter (51) one end and are connected with hose (20), raceway (52) pot head is kept away from in hose (20) and is established in the go-between (10) outside, hose (20) diameter is less than go-between (10) lateral surface diameter.
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| CN202110910274.4A CN113670649B (en) | 2021-08-09 | 2021-08-09 | Asphalt pavement ductility detection equipment |
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| CN202110910274.4A CN113670649B (en) | 2021-08-09 | 2021-08-09 | Asphalt pavement ductility detection equipment |
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