CN117405523B - Highway construction asphalt extensibility detection device and method - Google Patents
Highway construction asphalt extensibility detection device and method Download PDFInfo
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- CN117405523B CN117405523B CN202311713515.1A CN202311713515A CN117405523B CN 117405523 B CN117405523 B CN 117405523B CN 202311713515 A CN202311713515 A CN 202311713515A CN 117405523 B CN117405523 B CN 117405523B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 230000000452 restraining effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000007790 scraping Methods 0.000 description 7
- 239000012634 fragment Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/28—Investigating ductility, e.g. suitability of sheet metal for deep-drawing or spinning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of asphalt extensibility detection, in particular to a highway construction asphalt extensibility detection device and method. According to the road construction asphalt extensibility detection device and method, the test piece is used for reversely limiting the supporting plates and the sliding tables on two sides, the fixed table, the movable table and the sliding tables are moved back to a certain extent, so that the bolts pull the sleeve and the support to deflect downwards into water.
Description
Technical Field
The invention relates to the technical field of asphalt extensibility detection, in particular to a highway construction asphalt extensibility detection device and method.
Background
Asphalt is a blackish brown complex mixture composed of hydrocarbons with different molecular weights and nonmetallic derivatives thereof, and is a waterproof, moistureproof and anticorrosive organic cementing material. Generally, before asphalt is paved in highway construction, constructors need to perform performance detection and extensibility detection on the asphalt.
The asphalt ductility meter is used for measuring the maximum plastic deformation test of the sample when the sample is broken and the extension test of materials such as modified asphalt.
The Chinese patent application CN112782008A discloses an intelligent modified asphalt ductility detection device, which comprises a detector box body and an inner cavity, wherein a sliding rod is slid into the lower end of a rectangular groove, the lower end of a first spring is contacted with the upper end of an insert, the lower end of the sliding rod penetrates through a mounting plate to be matched with a sliding sleeve, the installation of a scraping mechanism can be completed, two groups of metal sheets are arranged in the rectangular groove, grooves are processed in the inner wall of the metal sheets, a roller shaft is movably arranged at the lower end of the metal sheets, two ends of a second spring are fixedly connected with the inner wall of the grooves, the sliding rod is pressed downwards to drive the metal sheets to slide downwards, when the lower end of the metal sheets slides to a chute, the roller shaft at the lower end is exactly leveled with the upper surface of an asphalt mold, the sliding rod is continuously pressed, and the lower end of the metal sheets slides to the chute due to the extension of the second spring, so that the metal sheets slide along the inner wall of the chute to form an eight-shaped structure, and a sample on the surface of the asphalt mold can be scraped in the process. The components in the equipment for scraping the redundant asphalt not only need to be installed by an operator for the second time, but also need to be manually pressed by the operator for a specific scraping function, and compared with the existing manual scraping, the equipment has no essential difference and has no efficiency optimization.
In view of the above, we propose a highway construction asphalt extensibility detection device and method.
Disclosure of Invention
The invention aims to provide a highway construction asphalt extensibility detection device and method, which are used for solving the problems that in the prior art, an operator is required to install a component for scraping redundant asphalt secondarily, a specific scraping function also requires manual pressing by the operator, and compared with the existing manual scraping, the device and method have no essential difference and have optimized efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a highway construction pitch extensibility detection device, includes the extensometer basin, and the rotation is provided with the lead screw through motor drive rotation in the extensometer basin, threaded connection has the nut seat on the lead screw, be provided with the guide rail on the front and back lateral wall of extensometer basin, and sliding connection has the movable table between the guide rail of both sides, movable table and nut seat fixed connection.
The right side of the ductility apparatus water tank is fixedly provided with a fixed table, and the fixed table and the movable table are provided with test die fixing devices.
Preferably, the test die fixer comprises sliding grooves respectively arranged on the fixed table and the movable table, and the two sliding grooves are respectively arranged on opposite sides of the fixed table and the movable table and are opposite to each other.
Two all the activity is provided with the slip table in the spout, and the rail groove has all been seted up to the front and back both sides of slip table, the front and back both sides of spout inner wall all are fixed to be provided with the fixture block that corresponds with the rail groove, the slip table passes through rail groove and follows the sliding connection of fixture block constitution left and right directions.
Two the inside symmetry of slip table has seted up two sets of post holes, and the post hole sets up along controlling the direction and runs through the left and right sides wall of slip table, the inside rotation in post hole is connected with the sleeve, fixedly on the inner wall of slip table be provided with the bolt that corresponds with the post hole, and set up the spiral of mutually supporting on bolt surface and the sleeve inner wall, the bolt is taken out and is driven the sleeve rotation through the spiral when leaving the sleeve.
The left and right sides telescopic relative one end all fixed mounting has the support, and the support is L shape structure with the sleeve, the support is kept away from telescopic one end and is rotated and be connected with the minor axis, and the coaxial setting of left and right sides minor axis.
The opposite ends of the short shafts on two sides are fixedly connected with supporting plates for placing test molds, the bottom of each supporting plate is fixedly provided with a balancing weight, and the surface of each supporting plate is fixedly provided with a metal column for sleeving the test molds.
The support and the bolt are provided with retainers.
Preferably, the retainer comprises an inner cavity formed in the bracket, a driving belt pulley and a driven belt pulley are respectively connected in the inner cavity in a rotating mode, the driving belt pulley is located at one end close to the sleeve, and the driven belt pulley is located at one end close to the short shaft and is fixedly connected with the driven belt pulley.
The edge shaft corresponding to the driving pulley is fixedly connected in the ductility apparatus water tank along the left-right direction, and is arranged along the transverse axis of the driving pulley, edge holes corresponding to the edge shaft are formed in the driving pulley, the bolt and the movable table, and the edge shaft penetrates through the edge holes.
The driving belt pulley is in transmission connection with the driven belt pulley through a synchronous belt.
And an auxiliary assembly matched with the test die and the test die bottom plate is arranged on the bracket.
Preferably, the auxiliary assembly comprises a front frame and a rear frame fixedly mounted on the support, and the front frame and the rear frame are both positioned on one side close to the supporting plate.
The front frame is located the front side of support, and is provided with the scraper on the front frame, carry out fixed connection through folding shell fragment between scraper and the front frame, and folding shell fragment pushes away the scraper to the examination mould.
And a gap matched with the test die bottom plate is arranged between the two supporting plates, and magnetic sheets for restraining the test die bottom plate are fixedly arranged on the opposite sides of the surfaces of the two supporting plates.
The rear frame is positioned at the rear side of the bracket, and the magnetic attraction block is fixedly arranged on the rear frame and is pulled to be separated from the constraint of the magnetic sheet when positioned below the test die bottom plate.
Preferably, the supporting plate is fixedly provided with a positioning column matched with the metal column, and the end part of the test die is provided with a bayonet matched with the positioning column.
Preferably, a limiting edge is fixedly arranged on the side surface of the sliding table opposite to one side of the support.
Preferably, the rear frame and the front frame are fixedly arranged on the surface of the bracket through screws.
The application method of the highway construction asphalt extensibility detection device comprises the following steps:
s1, after a test die is arranged on a test die bottom plate, preparing an asphalt test piece in the test die according to highway engineering asphalt and asphalt mixture experimental regulations, checking whether the tensile speed of a ductility meter meets the regulation requirement, then moving a movable table to enable a pointer of the ductility meter to be opposite to a zero point of a scale, injecting water into a ductility meter water tank, and preserving heat until the test temperature is +/-0.1 ℃;
s2, mounting the heat-insulating test piece on a supporting plate, wherein the brackets on the fixed table and the movable table are vertically arranged upwards, the supporting plate on the bracket is positioned above a water tank of the ductility apparatus, holes at two ends of the test die are respectively sleeved on metal columns on the surfaces of the supporting plates at two sides, then the movable table is driven to move left in the water tank of the ductility apparatus through a screw rod, and due to the reverse limitation of the test piece on the supporting plates at two sides and the sliding tables, the fixed table, the movable table and the sliding tables are subjected to certain opposite movement, so that the bolts pull the sleeve and the brackets to deflect downwards, the supporting plates are always kept in a horizontal transverse state under the control of the gravity of the bottom balancing weights in the process until the supporting plates and the test piece enter the water tank of the ductility apparatus, and the tensile force generated by the movement of the movable table acts on the supporting plates at two sides to pull the two sides away from the test die at two sides for ductility detection;
s3, when the support rotates downwards into water, the prism enables the driving belt pulley in the support not to rotate, and the driven belt pulley moves circularly along with the support, so that the driving belt pulley drives the driven belt pulley to rotate synchronously in the revolution process through the synchronous belt and drives the supporting plate to move synchronously, and the rotation angles of the driven belt pulley and the supporting plate and the rotation angle of the support are positive and negative angles;
s4, when the test die is mounted on the supporting plate, unscrewing a fixing bolt on a test die bottom plate, mounting the test die and the test die bottom plate on the supporting plate together, wherein the test die bottom plate is restrained by the magnetic sheet and cannot be separated after mounting, and in the process of rotating down the support, the magnetic block at the rear side of the support performs circular motion along the horizontal supporting plate, and when the magnetic block moves to the lower side of the support, the test die bottom plate and the side die are pulled down by utilizing magnetic force to separate the test die;
s5, when the support rotates downwards, the scraper at the front side of the support moves circularly along the horizontal supporting plate until the scraper moves from the front side to the rear side, and in the process, the scraper is pushed and pressed on the surface of the test die by the folding elastic sheet to scrape asphalt higher than the top of the test die.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the test piece is used for limiting the supporting plates and the sliding tables on two sides in the opposite direction, the fixed table, the movable table and the sliding tables are moved in a certain opposite direction, so that the bolts pull the sleeve and the support to deflect downwards, the supporting plates are always kept in a horizontal transverse state under the gravity control of the bottom balancing weights in the process, until the supporting plates and the test piece enter the water of the ductility tester water tank, the tensile force generated by the movement of the movable table acts on the supporting plates on the two sides to pull the two side test molds to conduct ductility detection, compared with the traditional ductility tester, the support can place the supporting plates outside before detection, the test piece is automatically placed in water during detection, the installation and the disassembly of the test piece are convenient for operators, the influence of the operation in water on the installation accuracy is avoided, the solvent blended in the ductility tester water is not easy to pollute, and the asphalt in water is not easy to adhere to the hands of operators due to the disassembly of the test piece.
According to the invention, the driving belt wheel in the bracket cannot rotate through the prism, the driven belt wheel moves along with the bracket in a circular way, the driving belt wheel drives the driven belt wheel to rotate synchronously in the revolution process through the synchronous belt and drives the supporting plate to move synchronously, and the rotation angles of the driven belt wheel and the supporting plate and the rotation angle of the bracket are positive and negative angles, so that the automatic angle adjustment of the supporting plate is realized by utilizing the difference ratio of the driving belt wheel and the driven belt wheel and the angle offset caused by the deflection of the bracket is canceled, the supporting plate and the test die can be kept at a stable level when the bracket rotates to any angle, and the stable support of the supporting plate to the test die is ensured.
According to the invention, the test die and the test die bottom plate are mounted on the supporting plate together, the mounted test die bottom plate is restrained by the magnetic sheet and cannot be separated, the magnetic attraction block at the rear side of the support moves circumferentially along the horizontal supporting plate in the process of rotating the support, the test die bottom plate and the side die are pulled down to be separated from the test die by utilizing magnetic force when moving to the lower side of the support, an operator does not need to manually detach the test die bottom plate and the side die in detection and store the test die bottom plate and the side die, the convenience of using equipment is improved, and the magnetic attraction block drives the test die bottom plate and the side die to be horizontally arranged after detection is finished, so that the operator can conveniently take down the test die.
According to the invention, the scraper at the front side of the bracket moves circularly along the horizontal supporting plate, and is pushed to the surface of the test die by the folding elastic sheet in the process of moving from the front side to the rear side, so that asphalt higher than the top of the test die is scraped.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structures of the movable table and the fixed table of the present invention;
FIG. 4 is an exploded view of the movable and stationary tables of the present invention;
FIG. 5 is an enlarged view of the invention at A in FIG. 4;
FIG. 6 is a schematic view of a sleeve and a slipway according to the present invention;
FIG. 7 is a perspective cross-sectional view of a stent of the present invention;
FIG. 8 is a schematic front view of a pallet and a driven pulley of the present invention;
FIG. 9 is a rear schematic view of the pallet and driven pulley of the present invention;
fig. 10 is a schematic structural view of a conventional test piece.
In the figure: 1. a ductility apparatus water tank; 2. a screw rod; 3. a nut seat; 4. a guide rail; 5. a movable table; 6. a fixed table; 7. a test mold fixer; 71. a chute; 72. a sliding table; 73. a rail groove; 74. a clamping block; 75. a post hole; 76. a sleeve; 77. a plug pin; 78. a spiral; 79. a bracket; 710. a short shaft; 711. a supporting plate; 712. balancing weight; 713. a metal column; 714. a retainer; 7141. an inner cavity; 7142. a driving pulley; 7143. a driven pulley; 7144. a prismatic shaft; 7145. a prismatic hole; 7146. a synchronous belt; 7147. an auxiliary component; 71471. a front frame; 71472. a rear frame; 71473. a scraper; 71474. folding the spring plate; 71475. a magnetic sheet; 71476. a magnetic suction block;
the existing test piece: 1', testing a mold; 2', a test die bottom plate; 3', side mold; 4', fixing bolts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a highway construction pitch extensibility detection device, includes ductility appearance basin 1, and ductility appearance basin 1 internal rotation is provided with the lead screw 2 through motor drive rotation, threaded connection has nut seat 3 on the lead screw 2, and the upper portion of ductility appearance basin 1's both sides inner wall all is provided with guide rail 4, and sliding connection has movable table 5 between the guide rail 4 of both sides, movable table 5 and nut seat 3 fixed connection, ductility appearance basin 1 side is provided with the scale, be provided with the pointer that uses with the scale cooperation on the movable table 5.
The right side of the extensometer water tank 1 is fixedly provided with a fixed table 6, the fixed table 6 and the movable table 5 are provided with test die fixing devices 7, and the movable table 5 is driven to move left in the extensometer water tank 1 through a screw rod 2 to drive the movable table 5 and the fixed table 6 to move back to back.
In this embodiment, as shown in fig. 1, 2, 3, 4, and 5 to 10, the test fixture 7 includes slide grooves 71 respectively opened on the fixed table 6 and the movable table 5, and the two slide grooves 71 are respectively located on opposite sides of the fixed table 6 and the movable table 5 and are disposed opposite to each other.
The sliding tables 72 are movably arranged in the two sliding grooves 71, rail grooves 73 are formed in the front side and the rear side of the sliding tables 72, clamping blocks 74 corresponding to the rail grooves 73 are fixedly arranged in the front side and the rear side of the inner wall of the sliding grooves 71, and the sliding tables 72 are in sliding connection with the clamping blocks 74 through the rail grooves 73, so that the sliding tables 72 can slide in the left-right direction.
Two sets of post holes 75 have been seted up to the inside symmetry of two slip tables 72, and post holes 75 set up along left and right directions and run through the left and right sides wall of slip table 72, and the inside rotation of post holes 75 is connected with sleeve 76, fixedly on the inner wall of slip table 72 be provided with the bolt 77 that corresponds with post holes 75, and set up the spiral 78 of mutually supporting on bolt 77 surface and the sleeve 76 inner wall, drive sleeve 76 rotation through spiral 78 when bolt 77 takes out sleeve 76.
The opposite ends of the left and right side sleeves 76 are fixedly provided with the brackets 79, the brackets 79 and the sleeves 76 are in L-shaped structures, one ends of the brackets 79 far away from the sleeves 76 are rotationally connected with the short shafts 710, the left and right side short shafts 710 are coaxially arranged and are limited by the opposite directions of the test pieces to the two side supporting plates 711 and the sliding tables 72, and the fixed table 6, the movable table 5 and the respective sliding tables 72 move oppositely to a certain extent, so that the bolts 77 pull the sleeves 76 and the brackets 79 to deflect downwards.
Opposite ends of the short shafts 710 on two sides are fixedly connected with a supporting plate 711 for placing the test die 1', a balancing weight 712 is fixedly arranged at the bottom of the supporting plate 711, the center of the supporting plate 711 is lower than the short shafts 710, the supporting plate 711 is controlled by the gravity of the balancing weight 712 in the downward deflection process of the support 79, the horizontal transverse state is always kept, the surface of the supporting plate 711 is fixedly provided with a metal column 713 for sleeving the test die 1', and holes at two ends of the test die 1' are respectively sleeved on the metal columns 713 on the surfaces of the supporting plates 711 on two sides, so that the installation can be completed.
The bracket 79 and the latch 77 are provided with a retainer 714.
In this embodiment, as shown in fig. 1, 2, 3, 4, and 5 to 10, the retainer 714 includes an inner cavity 7141 opened inside the bracket 79, and a driving pulley 7142 and a driven pulley 7143 are rotatably connected in the inner cavity 7141, respectively, the driving pulley 7142 is located at one end close to the sleeve 76, and the driven pulley 7143 is located at one end close to the short shaft 710 and fixedly connected thereto.
The edge shaft 7144 corresponding to the driving pulley 7142 is fixedly connected in the left-right direction in the extensometer water tank 1, the edge shaft 7144 is coaxially arranged with the driving pulley 7142, edge holes 7145 corresponding to the edge shaft 7144 are formed in the driving pulley 7142, the bolt 77 and the movable table 5, and the edge shaft 7144 penetrates through the edge holes 7145.
When the bracket 79 is rotated downwards into water, the edge shaft 7144 makes the driving pulley 7142 in the bracket 79 unable to rotate, and the driven pulley 7143 moves circumferentially along with the bracket 79, so that the driving pulley 7142 drives the driven pulley 7143 to rotate synchronously in the revolution process through the synchronous belt 7146, and drives the supporting plate 711 to move synchronously.
The support 79 is provided with an auxiliary assembly 7147 which cooperates with the test pattern 1 'and the test pattern base plate 2'.
In this embodiment, as shown in fig. 1, 2, 3, 4, and 5 to 10, the auxiliary assembly 7147 includes a front frame 71471 and a rear frame 71472 fixedly mounted on a bracket 79, and the front frame 71471 and the rear frame 71472 are both located at a side close to the pallet 711.
The front frame 71471 is located the front side of support 79, and is provided with scraper 71473 on the front frame 71471, carries out fixed connection through folding shell fragment 71474 between scraper 71473 and the front frame 71471, and folding shell fragment 71474 pushes away scraper 71473 to test mould 1', and when support 79 down turned, scraper 71473 of support 79 front side carried out the circular motion along horizontal layer board 711, until by front side to rear side, this in-process scraper 71473 was pushed away at the surface of test mould 1' by folding shell fragment 71474, strikes off the pitch that exceeds test mould 1' top.
A gap adapted to the test pattern base plate 2' is arranged between the two support plates 711, magnetic sheets 71475 for restraining the test pattern base plate 2' are fixedly arranged on opposite sides of the surfaces of the two support plates 711, the test pattern 1' and the test pattern base plate 2' are mounted on the support plates 711 together, and the test pattern base plate 2' is restrained by the magnetic sheets 71475 after being mounted and cannot be separated.
The rear frame 71472 is located at the rear side of the bracket 79, and the rear frame 71472 is fixedly provided with a magnetic attraction block 71476, when the magnetic attraction block 71476 is located below the test die bottom plate 2', the magnetic attraction block is pulled to be separated from the constraint of the magnetic sheet 71475, and in the process of rotating the bracket 79 downwards, the magnetic attraction block 71476 at the rear side of the bracket 79 performs circular motion along the horizontal bracket 711, and when moving to the lower side, the magnetic force is utilized to pull the test die bottom plate 2' and the side die 3 'downwards to separate from the test die 1'.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5 to 10, a positioning column matched with a metal column 713 is fixedly mounted on a supporting plate 711, a bayonet matched with the positioning column is provided at the end of a test die 1', after the test die 1' is fixed by a single metal column 713, the test die 1 'easily rotates along the metal column 713, and the mounting stability of the test die 1' can be ensured by the positioning column for secondary positioning.
In this embodiment, as shown in fig. 1, 2, 3, 4, and 5 to 10, a limiting edge is fixedly disposed on a side surface of the sliding table 72 opposite to one side of the support 79, and the limiting edge can limit the support 79 under the transfer liquid, so that the support 79 can only rotate to a vertical downward direction, and the excessive rotation of the support is prevented from affecting the detection.
In this embodiment, as shown in fig. 1, 2, 3, 4, and 5 to 10, the rear frame 71472 and the front frame 71471 are fixedly mounted on the surface of the support 79 by screws, and the front frame 71471, the scraper 71473, the rear frame 71472, and the magnetic block 71476 can be quickly assembled and disassembled by screws, so as to facilitate replacement of the worn member.
The application method of the highway construction asphalt extensibility detection device comprises the following steps:
s1, after the test die 1' is arranged on the test die bottom plate 2', preparing an asphalt test piece in the test die 1' according to the experimental regulations of highway engineering asphalt and asphalt mixture, checking whether the tensile speed of the ductility tester meets the specified requirements, then moving the movable table 5 to enable the pointer to be opposite to the zero point of the scale, injecting water into the ductility tester water tank 1, and preserving heat to reach the test temperature of +/-0.1 ℃.
S2, mounting the heat-insulating test piece on a supporting plate 711, wherein the supporting plates 79 on the fixed table 6 and the movable table 5 are vertically arranged upwards, the supporting plate 711 on the supporting plate 79 is positioned above the extensometer water tank 1, holes at two ends of the test die 1 'are respectively sleeved on metal columns 713 on the surfaces of the supporting plates 711 at two sides, then the movable table 5 is driven to move leftwards in the extensometer water tank 1 through a screw rod 2, and due to the reverse limitation of the test piece on the supporting plates 711 at two sides and the sliding tables 72, the fixed table 6, the movable table 5 and the sliding tables 72 carry out certain opposite movement, so that the bolts 77 pull the sleeve 76 and the supporting plate 79 to deflect downwards, the supporting plate 711 is controlled by the gravity of the balancing weight 712 at the bottom in the process, the horizontal transverse state is always kept until the supporting plate 711 and the test piece enter the water of the extensometer water tank 1, and the tensile force generated by the movement of the movable table 5 acts on the supporting plate 711 to pull the two side test dies 1' upwards for extensometer detection.
S3, when the support 79 rotates downwards into water, the prism enables the driving pulley 7142 in the support 79 to not rotate, the driven pulley 7143 moves along with the support 79 in a circular mode, the driving pulley 7142 drives the driven pulley 7143 to rotate synchronously in the revolution process through the synchronous belt 7146, the supporting plate 711 is driven to move synchronously, and the rotation angles of the driven pulley 7143 and the supporting plate 711 and the rotation angle of the support 79 are positive and negative angles. The counterweight 712 may not be provided due to the presence of the timing belt 7146.
S4, when the test die 1' is mounted on the supporting plate 711, the fixing bolts 4' on the test die bottom plate 2' are unscrewed, the test die 1' and the test die bottom plate 2' are mounted on the supporting plate 711 together, the mounted test die bottom plate 2' is restrained by the magnetic sheets 71475 and cannot be separated, the magnetic attraction blocks 71476 on the rear side of the support 79 do circular motion along the horizontal supporting plate 711 in the process of rotating the support 79 downwards, and the magnetic force is utilized to pull the test die bottom plate 2' and the side dies 3' downwards to separate the test die 1' when the test die moves to the lower side of the support 79.
S5, when the bracket 79 rotates downwards, the scraper 71473 at the front side of the bracket 79 moves circularly along the horizontal supporting plate 711 until the scraper 71473 moves from the front side to the rear side, and in the process, the scraper 71473 is pushed and pressed on the surface of the test die 1 'by the folding elastic sheet 71474 to scrape asphalt higher than the top of the test die 1'.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Highway construction asphalt extensibility detection device, its characterized in that: the automatic control device comprises a ductility apparatus water tank (1), wherein a screw rod (2) which is driven to rotate by a motor is rotationally arranged in the ductility apparatus water tank (1), a nut seat (3) is connected to the screw rod (2) in a threaded manner, guide rails (4) are arranged on the front side wall and the rear side wall of the ductility apparatus water tank (1), movable tables (5) are connected between the guide rails (4) on the two sides in a sliding manner, and the movable tables (5) are fixedly connected with the nut seat (3);
a fixed table (6) is fixedly arranged on the right side of the ductility apparatus water tank (1), and a test die fixer (7) is arranged on the fixed table (6) and the movable table (5);
the test die fixer (7) comprises sliding grooves (71) which are respectively arranged on the fixed table (6) and the movable table (5), and the two sliding grooves (71) are respectively arranged on opposite sides of the fixed table (6) and the movable table (5) and are opposite to each other;
a sliding table (72) is movably arranged in each sliding groove (71), rail grooves (73) are formed in the front side and the rear side of each sliding table (72), clamping blocks (74) corresponding to the rail grooves (73) are fixedly arranged in the front side and the rear side of the inner wall of each sliding groove (71), and the sliding tables (72) are connected in a sliding mode along the clamping blocks (74) in the left-right direction through the rail grooves (73);
two groups of column holes (75) are symmetrically formed in the two sliding tables (72), the column holes (75) are formed in the left and right directions and penetrate through the left and right side walls of the sliding tables (72), sleeves (76) are rotatably connected in the column holes (75), bolts (77) corresponding to the column holes (75) are fixedly arranged on the inner walls of the sliding tables (72), mutually matched spiral threads (78) are formed on the surfaces of the bolts (77) and the inner walls of the sleeves (76), and the sleeves (76) are driven to rotate by the spiral threads (78) when the bolts (77) are pulled away from the sleeves (76);
opposite ends of the sleeve (76) at the left side and the right side are fixedly provided with brackets (79), the brackets (79) and the sleeve (76) are in an L-shaped structure, one end of the brackets (79) far away from the sleeve (76) is rotationally connected with a short shaft (710), and the short shafts (710) at the left side and the right side are coaxially arranged;
the opposite ends of the short shafts (710) at the two sides are fixedly connected with a supporting plate (711) for placing a test die (1 '), the bottom of the supporting plate (711) is fixedly provided with a balancing weight (712), and the surface of the supporting plate (711) is fixedly provided with a metal column (713) for sleeving the test die (1');
the bracket (79) and the bolt (77) are provided with a retainer (714);
the retainer (714) comprises an inner cavity (7141) formed in the support (79), the inner cavity (7141) is respectively and rotatably connected with a driving pulley (7142) and a driven pulley (7143), the driving pulley (7142) is positioned at one end close to the sleeve (76), and the driven pulley (7143) is positioned at one end close to the short shaft (710) and is fixedly connected with the short shaft;
a prismatic shaft (7144) corresponding to the driving pulley (7142) is fixedly connected in the ductility meter water tank (1) along the left-right direction, the prismatic shaft (7144) is arranged along the transverse axis of the driving pulley (7142), prismatic holes (7145) corresponding to the prismatic shaft (7144) are formed in the driving pulley (7142), the bolt (77) and the movable table (5), and the prismatic shaft (7144) penetrates through the prismatic holes (7145);
the driving belt wheel (7142) is in transmission connection with the driven belt wheel (7143) through a synchronous belt (7146);
an auxiliary component (7147) matched with the test die (1 ') and the test die bottom plate (2') is arranged on the bracket (79);
the auxiliary assembly (7147) comprises a front frame (71471) and a rear frame (71472) which are fixedly arranged on a bracket (79), and the front frame (71471) and the rear frame (71472) are positioned at one side close to the supporting plate (711);
the front frame (71471) is positioned at the front side of the bracket (79), a scraper (71473) is arranged on the front frame (71471), the scraper (71473) is fixedly connected with the front frame (71471) through a folding spring piece (71474), and the folding spring piece (71474) pushes the scraper (71473) to the test die (1');
a gap matched with the test die bottom plate (2 ') is arranged between the two supporting plates (711), and magnetic sheets (71475) for restraining the test die bottom plate (2') are fixedly arranged on the opposite sides of the surfaces of the two supporting plates (711);
the rear frame (71472) is positioned at the rear side of the support (79), the rear frame (71472) is fixedly provided with a magnetic block (71476), and the magnetic block (71476) is pulled to be separated from the constraint of the magnetic sheet (71475) when positioned below the test die bottom plate (2').
2. The highway construction asphalt extensibility detection apparatus according to claim 1, wherein: the supporting plate (711) is fixedly provided with a positioning column matched with the metal column (713), and the end part of the test die (1') is provided with a bayonet matched with the positioning column.
3. The highway construction asphalt extensibility detection apparatus according to claim 2, wherein: the side surface of the sliding table (72) opposite to one side of the support (79) is fixedly provided with a limiting edge.
4. A highway construction asphalt extensibility detection apparatus according to claim 3 and wherein: the rear frame (71472) and the front frame (71471) are fixedly arranged on the surface of the bracket (79) through screws.
5. The method for using the road construction asphalt extensibility detection device according to claim 4, wherein: the method comprises the following steps:
s1, after a test die (1 ') is arranged on a test die bottom plate (2 '), preparing an asphalt test piece in the test die (1 ') according to highway engineering asphalt and asphalt mixture experimental regulations, checking whether the tensile speed of a ductility meter meets the specified requirements, then moving a movable table (5) to enable a pointer of the ductility meter to be opposite to a zero point of a scale, injecting water into a ductility meter water tank (1), and preserving heat to reach the test temperature +/-0.1 ℃;
s2, mounting a heat-insulating test piece on a supporting plate (711), wherein a supporting frame (79) on a fixed table (6) and a movable table (5) are vertically arranged upwards, the supporting plate (711) on the supporting frame (79) is positioned above a water tank (1) of the extensometer, holes at two ends of a test die (1') are respectively sleeved on metal columns (713) on the surfaces of the supporting plates (711) at two sides, then the movable table (5) is driven by a screw rod (2) to move leftwards in the water tank (1) of the extensometer, and due to the reverse restriction of the test piece on the supporting plates (711) at two sides and a sliding table (72), the fixed table (6), the movable table (5) and the sliding table (72) are reversely moved to a certain extent, so that a bolt (77) pulls a sleeve (76) and the supporting frame (79) to downwards deflect, in the process, the bolts (711) are controlled by the gravity of a bottom balancing weight (712) to always keep a horizontal transverse state until the supporting plate (711) and the test piece enter the water tank (1) of the extensometer, and the two sides of the supporting plate (5) are moved to act on the supporting plate (1) to detect the extensometer;
s3, when the support (79) rotates downwards into water, the prismatic shaft (7144) enables the driving pulley (7142) in the support (79) not to rotate, the driven pulley (7143) moves circumferentially along with the support (79), the driving pulley (7142) drives the driven pulley (7143) to rotate synchronously in the revolution process through the synchronous belt (7146), the supporting plate (711) is driven to move synchronously, and the rotation angles of the driven pulley (7143) and the supporting plate (711) and the rotation angle of the support (79) are positive and negative angles;
s4, when the test die (1 ') is mounted on the supporting plate (711), the fixing bolts (4 ') on the test die bottom plate (2 ') are unscrewed, the test die (1 ') and the test die bottom plate (2 ') are mounted on the supporting plate (711), the test die bottom plate (2 ') is restrained by the magnetic sheet (71475) and cannot be separated after being mounted, the magnetic blocks (71476) at the rear side of the support (79) do circular motion along the horizontal supporting plate (711) in the process of rotating the support (79), and the test die bottom plate (2 ') and the side dies (3 ') are pulled down and separated from the test die (1 ') by utilizing magnetic force when moving to the lower side of the support;
s5, when the support (79) rotates downwards, the scraper (71473) at the front side of the support (79) moves circularly along the horizontal supporting plate (711) until the scraper moves from the front side to the rear side, and in the process, the scraper (71473) is pushed to the surface of the test die (1 ') by the folding elastic sheet (71474) to scrape asphalt higher than the top of the test die (1').
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| CN202311713515.1A CN117405523B (en) | 2023-12-14 | 2023-12-14 | Highway construction asphalt extensibility detection device and method |
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| CN202311713515.1A CN117405523B (en) | 2023-12-14 | 2023-12-14 | Highway construction asphalt extensibility detection device and method |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010098994A (en) * | 2001-08-03 | 2001-11-09 | 허인순 | asphalt material tester |
| WO2004015398A1 (en) * | 2002-08-08 | 2004-02-19 | Monash University | Method and apparatus for determining fracture toughness |
| CN206248482U (en) * | 2016-11-22 | 2017-06-13 | 叶聿森 | Highway engineering bitumen ductility detection mould |
| CN109580334A (en) * | 2018-12-24 | 2019-04-05 | 深圳市恒义建筑技术有限公司 | A kind of pitch ductility analyzer and its application method |
| CN209485867U (en) * | 2019-01-28 | 2019-10-11 | 上海时申工贸有限公司 | A kind of pitch ductility tester being convenient to clean |
| CN211205995U (en) * | 2019-09-17 | 2020-08-07 | 广东省建设工程质量安全检测总站有限公司 | Asphalt ductility appearance constant temperature tensile test groove structure |
| CN112782008A (en) * | 2020-12-25 | 2021-05-11 | 顾雪芬 | Intelligence modified asphalt ductility detection device |
| CN217304709U (en) * | 2022-01-26 | 2022-08-26 | 宁夏华祯建设发展有限公司 | Mould is used in pitch ductility detection for highway engineering |
| CN217561200U (en) * | 2021-12-09 | 2022-10-11 | 广西理工职业技术学院 | Building pitch ductility detects mould |
| CN217688358U (en) * | 2022-05-30 | 2022-10-28 | 广东中交纵横建设咨询有限公司 | Asphalt ductility tester |
| CN115561093A (en) * | 2022-08-24 | 2023-01-03 | 河南路达新环保科技有限公司 | Low-temperature asphalt extensometer for asphalt material test |
| CN218726026U (en) * | 2022-10-11 | 2023-03-24 | 苏州恒信建设技术开发检测有限公司 | Pitch ductility detection device |
| CN219179030U (en) * | 2023-01-31 | 2023-06-13 | 吉林省建设集团有限公司 | Asphalt ductility test device |
| CN220019240U (en) * | 2023-05-22 | 2023-11-14 | 四川盛达兴工程项目管理有限公司 | Asphalt ductility detection device |
| CN220136890U (en) * | 2023-06-15 | 2023-12-05 | 青海省育才公路工程监理有限公司 | Asphalt ductility tester |
| CN220154097U (en) * | 2023-06-26 | 2023-12-08 | 西安市市政建设工程质量检测有限公司 | Asphalt low-temperature extensibility tester |
-
2023
- 2023-12-14 CN CN202311713515.1A patent/CN117405523B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010098994A (en) * | 2001-08-03 | 2001-11-09 | 허인순 | asphalt material tester |
| WO2004015398A1 (en) * | 2002-08-08 | 2004-02-19 | Monash University | Method and apparatus for determining fracture toughness |
| CN206248482U (en) * | 2016-11-22 | 2017-06-13 | 叶聿森 | Highway engineering bitumen ductility detection mould |
| CN109580334A (en) * | 2018-12-24 | 2019-04-05 | 深圳市恒义建筑技术有限公司 | A kind of pitch ductility analyzer and its application method |
| CN209485867U (en) * | 2019-01-28 | 2019-10-11 | 上海时申工贸有限公司 | A kind of pitch ductility tester being convenient to clean |
| CN211205995U (en) * | 2019-09-17 | 2020-08-07 | 广东省建设工程质量安全检测总站有限公司 | Asphalt ductility appearance constant temperature tensile test groove structure |
| CN112782008A (en) * | 2020-12-25 | 2021-05-11 | 顾雪芬 | Intelligence modified asphalt ductility detection device |
| CN217561200U (en) * | 2021-12-09 | 2022-10-11 | 广西理工职业技术学院 | Building pitch ductility detects mould |
| CN217304709U (en) * | 2022-01-26 | 2022-08-26 | 宁夏华祯建设发展有限公司 | Mould is used in pitch ductility detection for highway engineering |
| CN217688358U (en) * | 2022-05-30 | 2022-10-28 | 广东中交纵横建设咨询有限公司 | Asphalt ductility tester |
| CN115561093A (en) * | 2022-08-24 | 2023-01-03 | 河南路达新环保科技有限公司 | Low-temperature asphalt extensometer for asphalt material test |
| CN218726026U (en) * | 2022-10-11 | 2023-03-24 | 苏州恒信建设技术开发检测有限公司 | Pitch ductility detection device |
| CN219179030U (en) * | 2023-01-31 | 2023-06-13 | 吉林省建设集团有限公司 | Asphalt ductility test device |
| CN220019240U (en) * | 2023-05-22 | 2023-11-14 | 四川盛达兴工程项目管理有限公司 | Asphalt ductility detection device |
| CN220136890U (en) * | 2023-06-15 | 2023-12-05 | 青海省育才公路工程监理有限公司 | Asphalt ductility tester |
| CN220154097U (en) * | 2023-06-26 | 2023-12-08 | 西安市市政建设工程质量检测有限公司 | Asphalt low-temperature extensibility tester |
Non-Patent Citations (1)
| Title |
|---|
| 一种沥青延度仪集成校准装置的研究;周毅姝;郭鸿博;刘璐;何华阳;林志丹;;公路交通科技(应用技术版);20160615(第06期);全文 * |
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