CN117405503B - Highway construction asphalt paving compactness detection device and detection method - Google Patents
Highway construction asphalt paving compactness detection device and detection method Download PDFInfo
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- CN117405503B CN117405503B CN202311728361.3A CN202311728361A CN117405503B CN 117405503 B CN117405503 B CN 117405503B CN 202311728361 A CN202311728361 A CN 202311728361A CN 117405503 B CN117405503 B CN 117405503B
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- 238000001514 detection method Methods 0.000 title claims abstract description 88
- 239000010426 asphalt Substances 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 38
- 238000003825 pressing Methods 0.000 claims description 22
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 230000007306 turnover Effects 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 14
- 238000002474 experimental method Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011800 void material 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
-
- 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
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a road construction asphalt paving compactness detection device and a detection method, and relates to the field of paving compactness detection devices. According to the invention, the trolley is arranged, the box body is arranged at the top end of the trolley, and the storage mechanism and the heating mechanism are arranged in the box body, so that the whole detection equipment can be brought to a construction site in the process of detecting the asphalt paving compactness, and experiments are directly carried out after sampling at the sampling site, so that the experiment progress is accelerated, and the construction progress of the whole road construction is accelerated.
Description
Technical Field
The invention relates to the field of paving compactness detection devices, in particular to a road construction asphalt paving compactness detection device and a road construction asphalt paving compactness detection method.
Background
For paving compactness detection of asphalt pavement, the existing methods such as pit digging and sand filling method, nuclear densitometer method, ring cutter method, core drilling method, coreless densitometer method and intelligent compaction quality detector comprise the following specific steps when core taking method detection is carried out: 1. drilling a pavement core sample, wherein the diameter of the core sample is not suitable to be smaller than 100mm, and when the core sample obtained by one drilling comprises asphalt mixtures at different layers, the core sample is sawed by a cutting machine along the joint surfaces of all layers according to the structure combination condition for measuring; 2. slightly brushing the drilled test piece in water by using a brush to clean adhered dust, and carefully removing if loose particles are at the corners of the test piece; 3. airing the test piece or drying the test piece by an electric fan for at least 24 hours until the weight is constant; 4. the apparent density or bulk density of the test piece is measured according to the current asphalt mixture test piece density test method of the highway engineering asphalt and asphalt mixture test procedure (JTJ 052), and when the water absorption of the test piece is less than 2%, the test piece is measured by adopting a water weight method or a surface dry method; when the water absorption is more than 2%, the wax sealing method is used for measuring; the water-permeable mixture with large void ratio and the open-graded mixture are measured by a volume method; 5. the standard density for calculating the compactness is determined according to the current specification of the technical Specification for Highway asphalt pavement construction (JTJ 032).
In the prior art, when the coring method is used for detecting, the sample needs to be insulated in the detection process, the sample is insulated, and when the compactness is detected, the sample cannot be taken out from the interior of the insulation can to be detected for more than 30 seconds, so that the coring method can only be completed in a laboratory when the coring method is used for detecting, the operation difficulty is high, the experiment efficiency is seriously influenced, and the road construction progress is seriously influenced.
Disclosure of Invention
Based on the above, the invention aims to provide a road construction asphalt paving compactness detection device and a road construction asphalt paving compactness detection method, so as to solve the technical problems that in the background, samples cannot be taken out from the interior of an insulation box to be detected for more than 30 seconds, so that the core-taking method can only be completed in a laboratory, the operation difficulty is high, the experiment efficiency is seriously influenced, and the road construction progress is seriously influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a road construction pitch paves compactness detection device, includes the shallow, the top fixedly connected with box of shallow, the inside fixedly connected with multiunit sponge pipe of lateral wall of box, the inside fixedly connected with of box deposits the mechanism, the inside fixedly connected with detection subassembly of one side that keeps away from the mechanism of depositing of box, the inside fixedly connected with of box is located the transport mechanism between storage subassembly and the detection device, the top of box articulates there is the apron;
the storage mechanism comprises a rotating frame, the rotating frame is rotationally connected to the inner wall of a box body, the top end of the rotating frame is fixedly connected with a plurality of groups of supporting plates, the top ends of the plurality of groups of supporting plates are respectively fixedly connected with two groups of locking plates, the top ends of the plurality of groups of supporting plates are respectively provided with two groups of first clamping plates in a sliding mode, the side walls of the two groups of first clamping plates are respectively fixedly connected with a group of first spring pieces, one end of a pressurizing spring is fixedly connected to the side wall of the first clamping plate, the other end of the pressurizing spring is fixedly connected to the outer wall of the supporting plate, the top end of the supporting plate is fixedly connected with a detection block positioned between the two groups of first clamping plates, the bottom end of the rotating frame is fixedly connected with a ratchet wheel, the bottom end of the ratchet wheel is fixedly connected with a first gear, and the inner wall of the box body is fixedly connected with a rack which is meshed with the first gear;
the inner wall bottom of box is provided with heating element, heating element includes the heating wire, the inner wall bottom fixedly connected with heating wire of box, the inner wall bottom fixedly connected with multiunit of box is located the fan of heating wire next door, the inner wall bottom fixedly connected with of box extends to the wind channel of rotating turret below, the other end in wind channel is located the next door of heating wire.
As an optimal technical scheme of the road construction asphalt paving compactness detection device, the detection block comprises a lower support block, the lower support block is connected to the top end of a supporting plate in a sliding mode, two groups of first clamping plates are respectively abutted to two sides of the lower support block, two groups of limiting grooves matched with the first spring pieces are formed in the side wall of the lower support block, two groups of clamping grooves located above the limiting grooves are formed in the side wall of the lower support block, two groups of guide posts are sleeved on the side wall of the lower support block in a sliding mode, and an upper pressing block located above the lower support block is sleeved on the outer wall of the guide posts in a sliding mode.
As an optimal technical scheme of the road construction asphalt paving compactness detection device, two groups of pushing blocks extending to the outside of the lower supporting block are connected to the inner wall of the lower supporting block in a sliding mode, one ends of the pushing blocks, which are positioned in the lower supporting block, are hinged with one ends of two groups of connecting plates, the other ends of the two groups of connecting plates are respectively hinged with one ends of a group of top plates, the side walls of the lower supporting block are hinged with a plurality of groups of turning plates, the other ends of the top plates are abutted to the side walls of one group of turning plates, one ends of the turning plates are hinged with a second clamping plate, one end of a tension spring is fixedly connected to the side wall of the turning plate, the side wall of the upper pressing block is fixedly connected with a plurality of groups of pushing plates, and the side walls of the pushing plates are respectively abutted to the side walls of one group of the turning plates.
As an optimal technical scheme of the road construction asphalt paving compactness detection device, the transfer mechanism comprises a bottom plate, two groups of sliding rails are fixedly connected to the top end of the bottom plate, a group of sliding blocks are respectively sleeved on the outer walls of the two groups of sliding rails in a sliding manner, a group of deflection shafts penetrating through the upper end and the lower end of the sliding blocks are rotatably connected to the inner walls of the sliding blocks, sliding grooves are formed in the top end of the bottom plate, the bottom ends of the deflection shafts are slidably connected to the inner walls of the sliding grooves, rotating arms are fixedly connected to the top ends of the deflection shafts, two groups of clamping arms are hinged to the tail ends of the rotating arms, a plurality of groups of second spring pieces are respectively fixed to the side walls of the two groups of clamping arms, and a group of third clamping plates are fixedly connected to the side walls of the second spring pieces on the same group of clamping arms.
As an optimal technical scheme of the road construction asphalt paving compactness detection device, the top end of the bottom plate is provided with the synchronous belt, the side wall of the synchronous belt is fixedly connected with the push rod, the side wall of the slide block is fixedly connected with the pushing frame, the pushing frame is slidably sleeved on the outer wall of the push rod, the bottom end of the inner wall of the box body is fixedly connected with the motor, the output end of the motor is fixedly connected with a group of second gears in the driving gear set, the other group of second gears in the driving gear set is fixedly connected with the rotating roller on the synchronous belt, the side wall of the slide block is fixedly connected with one end of the fixing plate, and the other end of the fixing plate is fixedly connected with one end of the rack.
As an optimal technical scheme of the road construction asphalt paving compactness detection device, the rotary arm comprises an outer wall main body, wherein the inner wall of the outer wall main body is connected with a sliding column extending to the outside of the rotary arm in a sliding manner, one end of the sliding column positioned in the outer wall main body is fixedly connected with a conical head, a conical sleeve is sleeved on the outer surface of the conical head in a sliding manner, two groups of baffle plates are connected with the outer wall of the conical head in a sliding manner, the side walls of the two groups of baffle plates are respectively fixedly connected with one end of a group of supporting springs, the other ends of the two groups of supporting springs are fixedly connected with the inner wall of the outer wall main body, one end of the sliding column positioned outside the outer wall main body is hinged with one end of two groups of connecting rods, the other ends of the two groups of connecting rods are respectively hinged with the side walls of a group of clamping arms, one end of the sliding column positioned in the rotary arm is fixedly connected with one end of a reset spring, and the other end of the reset spring is fixedly connected with the inner wall of the rotary arm.
As an optimal technical scheme of the road construction asphalt paving compactness detection device, the detection device comprises a supporting table, wherein the supporting table is fixedly connected to the bottom end of the inner wall of a box body, one end of a belt pulley set is rotatably arranged on the side wall of the supporting table, the other end of the belt pulley set is fixedly connected to the output end of a motor, one end of a bevel gear set is fixedly connected to a rotating roller of the belt pulley set, a plurality of groups of rubber conveying rollers are fixedly arranged at the bottom end of the inner wall of the box body, the other end of the bevel gear set is fixedly connected to one end of a group of rubber conveying rollers, and a plurality of groups of rubber conveying rollers are connected together through a group of belts.
As an optimal technical scheme of the road construction asphalt paving compactness detection device, the inner wall of the box body is fixedly connected with a guide plate positioned beside the rubber conveying roller, the inner top end of the box body is fixedly connected with a hydraulic rod, the bottom end of the hydraulic rod is fixedly connected with a pressing plate, and the top end of the pressing plate is fixedly connected with a displacement sensor.
As an optimal technical scheme of the road construction asphalt paving compactness detection device, the top end of the supporting table is fixedly connected with the test table, the top end of the test table is fixedly connected with two groups of guide plates, the side walls of the two groups of guide plates are respectively and fixedly connected with a group of third spring pieces, the top end of the test table is fixedly connected with two groups of unlocking plates, the side walls of the test table are hinged with the overturning table, and the bottom end of the overturning table is fixedly connected with the balancing weight.
As a detection method of the road construction asphalt paving compactness detection device, the detection method adopts the preferable technical scheme that:
step one: sampling and storing:
drilling a sample at a road surface sampling point through drilling equipment, measuring dry weight, wet weight and the like of the sample, placing the sample on a lower supporting block, inserting two groups of guide posts into the lower supporting block, enabling an upper pressing block and the lower supporting block to wrap the sample, and placing the lower supporting block filled with the sample on a group of supporting plates;
step two: and (3) heat preservation operation:
the heating wires are utilized to generate heat, and then air is blown through the plurality of groups of heating wires by the plurality of groups of fans, so that hot air enters the box body through the air duct, and the asphalt sample is heated and insulated;
step three: sample detection:
and placing the sample subjected to heat preservation for half an hour on a test bench through a transfer mechanism, and measuring and detecting the pressure and deformation degree of the sample through a hydraulic rod and a displacement sensor.
In summary, the invention has the following advantages:
1. according to the invention, the trolley is arranged, the box body is arranged at the top end of the trolley, and the storage mechanism and the heating mechanism are arranged in the box body, so that the whole detection equipment can be brought to a construction site in the process of detecting the asphalt paving compactness, and experiments are directly carried out after sampling at the sampling site, so that the experiment progress is accelerated, and the construction progress of the whole road construction is accelerated;
2. according to the invention, the sliding block slides reciprocally to drive the rotating arm to reciprocate, and the deflection shaft is utilized to drive the rotating arm to reciprocate, so that the detection blocks can be conveniently moved onto the test bench from the supporting plate, the detected detection blocks on the test bench can be automatically pushed out of the test bench in the process, the next group of detection blocks are automatically driven to move to the position to be transferred, the sufficient speed in the whole detection and transfer process is ensured, the time from the detection blocks to the heat preservation state to the test bench is prevented from exceeding thirty seconds, and the operation of the detection test is ensured to meet the standard;
3. according to the invention, the detection device is arranged in the box body and beside the storage mechanism, so that the temperature of the detection block is not reduced too fast after leaving the storage mechanism, the accuracy of detection tests is improved, and the plurality of groups of pushing plates are arranged in the detection block, so that the sample is kept in the middle position in the detection block when being placed in the detection block, the problem that the sample needs to be pushed manually to keep centering in the detection block in the traditional detection process is avoided, and the accuracy of detection is further improved.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic view of the bottom structure of the case of the present invention;
FIG. 3 is a schematic cross-sectional view of the case of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention at A;
FIG. 5 is a schematic view of the internal structure of the case of the present invention;
FIG. 6 is a schematic view of the overturning platform of the present invention;
FIG. 7 is a schematic view of a transport mechanism and storage mechanism in accordance with the present invention;
FIG. 8 is an exploded view of the transfer mechanism of the present invention;
FIG. 9 is a schematic cross-sectional view of a rotating arm according to the present invention;
FIG. 10 is an enlarged schematic view of the structure of the present invention at B;
FIG. 11 is a schematic diagram of a front view of a detection block according to the present invention;
FIG. 12 is an exploded view of a test block according to the present invention.
In the figure: 1. a cart; 2. a case; 3. a sponge tube; 4. a storage mechanism; 5. a transfer mechanism; 6. a detection device; 7. a cover plate; 8. a heating assembly;
401. a rotating frame; 402. a supporting plate; 4021. a locking plate; 403. a first clamping plate; 404. a first spring piece; 405. a pressurizing spring; 406. a detection block; 4061. a lower support block; 4062. a guide post; 4063. pressing into blocks; 4064. a limit groove; 4065. a clamping groove; 4066. a pushing block; 4067. a connecting plate; 4068. a top plate; 4069. turning plate; 40610. a second clamping plate; 40611. a tension spring; 40612. a push plate; 407. a ratchet wheel; 408. a first gear; 409. a rack;
501. a bottom plate; 502. a slide rail; 503. a slide block; 504. a deflection shaft; 505. a chute; 506. a rotating arm; 5061. an outer wall body; 5062. a sliding column; 5063. a conical head; 5064. a conical sleeve; 5065. a baffle; 5066. a support spring; 5067. a connecting rod; 5068. a return spring; 507. a clamp arm; 508. a second spring piece; 509. a third clamping plate; 510. a synchronous belt; 511. a push rod; 512. pushing the frame; 513. a fixing plate; 514. a motor; 515. a drive gear set;
601. a support; 602. a belt pulley set; 603. a bevel gear set; 604. a rubber conveying roller; 605. a material guide plate; 606. a test bench; 607. a guide plate; 608. a third spring piece; 609. unlocking plate; 610. a hydraulic rod; 611. a pressing plate; 612. a displacement sensor; 613. a turnover table; 614. balancing weight;
801. heating wires; 802. a fan; 803. and an air duct.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
1-12, a road construction asphalt paving compactness detection device comprises a trolley 1, wherein the top end of the trolley 1 is fixedly connected with a box body 2, the inside of the side wall of the box body 2 is fixedly connected with a plurality of groups of sponge pipes 3, the inside of the box body 2 is fixedly connected with a storage mechanism 4, one side, far away from the storage mechanism 4, of the inner wall of the box body 2 is fixedly connected with a detection device 6, the inside of the box body 2 is fixedly connected with a transfer mechanism 5 positioned between the storage mechanism 4 and the detection device 6, and the top end of the box body 2 is hinged with a cover plate 7;
the storage mechanism 4 comprises a rotating frame 401, the rotating frame 401 is rotatably connected to the inner wall of the box body 2, a plurality of groups of supporting plates 402 are fixedly connected to the top ends of the rotating frame 401, two groups of locking plates 4021 are fixedly connected to the top ends of the plurality of groups of supporting plates 402 respectively, two groups of first clamping plates 403 are slidably arranged on the top ends of the plurality of groups of supporting plates 402 respectively, a group of first spring pieces 404 are fixedly connected to the side walls of the two groups of first clamping plates 403 respectively, one end of a pressurizing spring 405 is fixedly connected to the side walls of the first clamping plates 403, the other end of the pressurizing spring 405 is fixedly connected to the outer wall of the supporting plate 402, a detection block 406 positioned between the two groups of first clamping plates 403 is slidably connected to the top ends of the supporting plates 402, a ratchet 407 is fixedly connected to the bottom end of the rotating frame 401, a first gear 408 is fixedly connected to the bottom end of the ratchet 409, and a rack 409 is slidably connected to the inner wall of the box body 2 and meshed with the first gear 408;
the inner wall bottom of the box body 2 is provided with a heating component 8, the heating component 8 comprises a heating wire 801, the inner wall bottom of the box body 2 is fixedly connected with a plurality of groups of fans 802 positioned beside the heating wire 801, the inner wall bottom of the box body 2 is fixedly connected with an air duct 803 extending to the lower part of the rotating frame 401, the other end of the air duct 803 is positioned beside the heating wire 801, the detecting block 406 comprises a lower supporting block 4061, the lower supporting block 4061 is slidingly connected to the top end of a supporting plate 402, two groups of first clamping plates 403 are respectively abutted to two sides of the lower supporting block 4061, two groups of clamping grooves 4064 matched with a first spring piece 404 are formed in the side wall of the lower supporting block 4061, two groups of clamping grooves 4065 positioned above the limiting grooves 4064 are formed in the side wall of the lower supporting block 4061, two groups of tension springs 4061 are sleeved with two groups of guide posts 4062 in a sliding manner, the outer wall of the two groups of the guide posts 4062 are sleeved with sliding sleeves positioned above the lower supporting block 4061, one end of the lower supporting block 4061 is fixedly connected with one end of the side wall 4069 of the lower supporting block 4069, one end of the two groups of the side wall 4069 is fixedly connected with one end of the side wall 4069 of the lower supporting block 4061, one end of the side wall 4069 is fixedly connected with one end of the side wall 4068 of the lower supporting block 4068, one end of the other end of the side wall 4069 is fixedly connected with one end of the side wall 4069 is hinged to the side wall 4068, the other end of the side 4069 is fixedly connected with one end of the side 4069, the side walls of the plurality of groups of push plates 40612 are respectively abutted against the side walls of one group of turning plates 4069.
The method comprises the steps of drilling samples at road surface sampling points by drilling equipment, measuring dry weight, wet weight and the like of the samples, placing the samples on a lower support block 4061, inserting two groups of guide posts 4062 into the lower support block 4061, enabling an upper press block 4063 and the lower support block 4061 to wrap the samples, placing the lower support block 4061 filled with the samples on a group of support plates 402, sliding the lower support block 4061 into the support plates 402 to place the whole detection block 406 and the samples in the detection block 406 on the support plates 402, pushing the first spring piece 404 to deform by the lower support block 4061 in the process, pushing the first clamp plate 403 to slide, enabling the first clamp plate 403 to compress the compression spring 405, and when the first spring piece 404 slides into a limit groove 4064, the compression spring 405 and the first spring piece 404 rebound, and the lower support block 4061 is blocked by the first spring piece 404 and cannot slide out of the support plates 402 by itself, when the sample is placed on the lower supporting plate 402, the pushing block 4066 is pressed down by the weight of the sample, so that the two groups of pushing blocks 4066 respectively push the two groups of connecting plates 4067, so that the two groups of connecting plates 4067 respectively push the one group of top plates 4068 to slide towards the outside of the lower supporting plate 402, at the moment, each group of ejector rods respectively push one group of turning plates 4069 to turn over, so that the turning plates 4069 drive the first clamping plate 403 to turn over, the second clamping plate 40610 is abutted against the side wall of the sample, two groups of second clamping plates 40610 are respectively abutted against the two ends of the sample, the sample is placed on the lower supporting plate 402 at the central position, after the detection block 406 is placed on the supporting plate 402, heat is generated by the electric heating wires 801, then air is blown through the multiple groups of electric heating wires 801, so that hot air enters the inside the box 2, and the asphalt sample is heated and kept warm in cold weather, the sponge tube 3 inside the box body 2 enables the side wall of the box body 2 to generate a plurality of groups of cavities, the heat preservation effect of the box body 2 is improved, and the box body 2 can deform to buffer impact force when being collided.
Referring to fig. 7-10, the transfer mechanism 5 includes a base plate 501, the top end of the base plate 501 is fixedly connected with two groups of slide rails 502, the outer walls of the two groups of slide rails 502 are respectively and slidably sleeved with a group of slide blocks 503, the inner wall of the slide blocks 503 is rotatably connected with a group of deflection shafts 504 penetrating through the upper end and the lower end of the slide blocks 503, the top end of the base plate 501 is provided with a chute 505, the bottom end of the deflection shaft 504 is slidably connected with the inner wall of the chute 505, the top end of the deflection shaft 504 is fixedly connected with a rotating arm 506, the tail end of the rotating arm 506 is hinged with two groups of clamping arms 507, the side walls of the two groups of clamping arms 507 are respectively and fixedly connected with a group of third clamping plates 509, the side walls of the second spring plates 508 on the same group of clamping arms 507 are fixedly connected with a group of third clamping plates 509, the top end of the base plate 501 is provided with a synchronous belt 510, the side walls of the synchronous belt 510 are fixedly connected with a push rod 511, the side wall of the sliding block 503 is fixedly connected with a pushing frame 512, the pushing frame 512 is slidably sleeved on the outer wall of the pushing rod 511, the bottom end of the inner wall of the box 2 is fixedly connected with a motor 514, the output end of the motor 514 is fixedly connected with a group of second gears in the driving gear set 515, the other group of second gears in the driving gear set 515 is fixedly connected with a rotating roller on the synchronous belt 510, the side wall of the sliding block 503 is fixedly connected with one end of a fixing plate 513, the other end of the fixing plate 513 is fixedly connected with one end of a rack 409, the rotating arm 506 comprises an outer wall main body 5061, the inner wall of the outer wall main body 5061 is slidably connected with a sliding column 5062 extending to the outside of the rotating arm 506, one end of the sliding column 5062 positioned in the outer wall main body 5061 is fixedly connected with a conical head 5063, the outer surface sliding sleeve of the conical head 5063 is provided with a conical sleeve 5064, the inner side of the outer wall main body 5061 is slidably connected with two groups of baffle plates 5065, the two groups of baffle plates 5065 are abutted to the outer wall of the conical head 5063, one ends of a group of supporting springs 5066 are fixedly connected to the side walls of the two groups of baffle plates 5065 respectively, the other ends of the two groups of supporting springs 5066 are fixedly connected to the inner wall of the outer wall main body 5061, one end of the sliding column 5062 outside the outer wall main body 5061 is hinged to one ends of two groups of connecting rods 5067, the other ends of the two groups of connecting rods 5067 are hinged to the side walls of a group of clamping arms 507 respectively, one end of the sliding column 5062 inside the rotating arm 506 is fixedly connected with one end of a reset spring 5068, and the other end of the reset spring 5068 is fixedly connected to the inner wall of the rotating arm 506.
In the running process of the transfer mechanism 5, the motor 514 drives the driving gear set 515 to rotate, the driving gear set 515 drives the synchronous belt 510 to rotate, the synchronous belt 510 drives the push rod 511 to rotate, the push rod 503 is pushed to slide back and forth on the slide rail 502 through the pushing frame 512, the slide block 503 pushes the deflection shaft 504 to slide in the slide groove 505 in the sliding process, the rotating arm 506 is driven to slide in a straight line when the deflection shaft 504 slides in the slide groove 505, when the deflection shaft 504 slides to a middle bending position in the slide groove 505, the deflection shaft 504 turns over along the slide groove 505 in the sliding process, in the process, the joint of the deflection shaft 504 and the slide groove 505 is positioned in front of the advancing direction of the slide block 503, after the deflection shaft 504 slides to the middle position of the bending position of the slide block 503, the rotation angle of the deflection shaft 504 reaches ninety degrees, then the deflection shaft 504 is blocked by the slide groove 505 along with the slide block 503 continuing to slide forward, the deflection shaft 504 is driven by the slide block 503 to slide in the slide groove 505 and turn to the rear of the advancing direction of the slide block 503, so that the whole turning angle of the deflection shaft 504 reaches one hundred eighty degrees, the rotating arm 506 is driven to finish one hundred eighty degrees of turning, then the slide block 503 drives the rotating arm 506 to slide forwards along with the continuous sliding of the slide block 503, the rotating arm 506 always faces the advancing direction of the slide block 503 in the sliding process of the slide block 503, when the slide block 503 slides towards the direction of the support plate 402, the slide block 503 drives the rack 409 to slide, the rack 409 drives the first gear 408 to rotate, after the first gear 408 drives the support plate 402 to rotate ninety degrees, all tooth tips of the rack 409 slide across the first gear 408, so that the first gear 408 is not driven to rotate by the rack 409, the rotating arm 506 drives the two groups of clamping arms 507 to contact the first clamping plate 403 along with the continuous sliding of the slide block 503, at this time, the first clamping plate 403 is pushed by the clamping arm 507 to compress the compression spring 405, so that the clamping arm 507 drives the third clamping plate 509 to slide into the clamping groove 4065, and slide forward against the rotating arm 506, so that the clamping arm 507 is blocked by the locking plate 4021, at this time, the two groups of clamping arms 507 are turned to the middle to compress the second spring piece 508, and push the sliding column 5062 to slide towards the inner part of the outer wall main body 5061 through the two groups of connecting rods 5067, at this time, the sliding column 5062 drives the conical head 5063 to move, the conical head 5063 pushes the blocking piece 5065 to move to the two sides and compress the supporting spring 5066, when the conical head 5063 slides over the rear supporting spring 5066 of the blocking piece 5065 to push the blocking piece 5065 to reset, during this process, the conical sleeve 5064 is pushed by the blocking piece 5065 to reset with the conical head 5063, at this time, the reset spring 5068 is compressed by the sliding column 5062, and the conical head 5063 is blocked by the blocking piece 5065, so that the sliding column 5062 cannot slide towards the outside of the outer wall main body 5061, so that the two groups of third clamping plates 509 tightly clamp the lower supporting block 4061, the sliding block 503 slides reversely along with the continuous rotation of the synchronous belt 510, so that the fixing plate 513 is driven to move reversely, the fixing plate 513 drives the wheels to slide reversely, at the moment, the rack 409 cannot drive the first gear 408 to rotate reversely due to the action of the ratchet wheel 407, so that the supporting plate 402 cannot rotate reversely at the moment, according to the principle, the deflection shaft 504 turns over one hundred eighty degrees reversely during the reverse sliding of the sliding block 503, so that the rotating arm 506 clamps the whole detecting block 406 to turn over one hundred eighty degrees, and the whole detecting block 406 is pushed to slide continuously after the rotating arm 506 turns over one hundred eighty degrees to slide into the inside of the detecting block 606.
Referring to fig. 1-12, the detecting device 6 includes a supporting table 601, the supporting table 601 is fixedly connected to the bottom end of the inner wall of the box 2, the side wall of the supporting table 601 rotates one end provided with a belt pulley set 602, the other end of the belt pulley set 602 is fixedly connected to the output end of the motor 514, one end of a bevel gear set 603 is fixedly connected to a rotating roller of the belt pulley set 602, a plurality of groups of rubber conveying rollers 604 are fixedly arranged at the bottom end of the inner wall of the box 2, the other end of the bevel gear set 603 is fixedly connected to one end of a group of rubber conveying rollers 604, a plurality of groups of rubber conveying rollers 604 are connected together through a group of belts, a guide plate 605 positioned beside the rubber conveying rollers 604 is fixedly connected to the inner wall of the box 2, a hydraulic rod 610 is fixedly connected to the bottom end of the hydraulic rod 610, a top end of the hydraulic rod 611 is fixedly connected to a displacement sensor 612, a test table 606 is fixedly connected to the top end of the supporting table 601, two groups of guide plates 607 are fixedly connected to the top ends 607 of the test table 606, two groups of guide plates 607 are fixedly connected to the top ends of the test table 613, and two groups of guide plates 608 are fixedly connected to the top ends of the test table 613, and the top ends of the test table 606 are fixedly connected to the side walls of the test table 613 are fixedly connected to the top ends of the turntable.
When the detection block 406 slides into the test bench 606, the lower supporting block 4061 pushes the third spring piece 608 until the third spring piece 608 is aligned with the limit groove 4064, the third spring piece 608 rebounds, as the clamping arms 507 continue to be pushed forward by the rotating arm 506, so that the two groups of clamping arms 507 contact the unlocking plate 609, at the moment, the two groups of clamping arms 507 turn upwards again, so that the two groups of clamping arms 507 continue to push the sliding column 5062 to slide towards the inside of the outer wall main body 5061 through the connecting rod 5067, thereby the conical sleeve 5064 pushes the two groups of retaining plates 5065 to compress the supporting spring 5066, so that the retaining plates 5065 slide to the surfaces of the conical sleeve 5064, then the sliding block 503 starts to slide reversely under the driving of the synchronous belt 510, and when the clamping arms 507 leave the unlocking plate 609, the reset spring 5068 pushes the sliding column 5062 to slide towards the outside of the outer wall main body 5061, and the conical sleeve 5064 is blocked from being unable to slide until the conical sleeve 5064 contacts the conical head 5063, the conical sleeve 5063 is pushed by the conical sleeve 5067, so that the two groups of retaining plates 5065 is pushed by the conical sleeve 5063 again, so that the two groups of retaining plates 5065 push the upper pressing plate 5065 pushes the supporting plate 5063 to push the two groups of the supporting plates 5065 to compress the supporting plate 5066, so that the upper pressing plate 4064 drives the lower pressing plate 4064 to move, and the lower pressing plate 4064 is pushed by the upper pressing plate 4064, and the lower pressing plate is pushed by the lower pressing plate 4065, and the lower pressing plate is pushed by the lower pressing plate, and the lower pressing plate is pushed by the reset plate, and the reset plate 5065, and the reset spring is pushed by the reset plate, and the reset plate is pushed by the reset plate, and the reset slide release plate is pushed by the reset plate. The turnover plate 4069 drives the second clamping plate 40610 to separate from the sample, so that the second clamping plate 40610 cannot influence detection data, the displacement sensor 612 contacts with the bulge on the side wall of the test table 606 while the upper pressing block 4063 contacts with the pressing plate 611, so that the deformation of the sample is detected, the detection data are finally obtained, the fixed block drives the rack 409 to move in the process that the sliding block 503 slides towards the supporting plate 402 again, the first gear 408 is pushed to rotate, the next group of detection blocks 406 overturn ninety degrees, when the other group of detection blocks 406 are pushed onto the test table 606, the group of detection blocks 406 are pushed to slide onto the turnover table 613 by the second group of detection blocks 406, the center of the turnover table 613 is offset to cause the turnover table 613 to turn right due to the fact that the connection point between the turnover table 613 and the supporting plate 601 is offset, the detection blocks 406 on the turnover table 613 fall onto the rubber conveying roller 604, the turnover table 613 reversely resets under the action of the balancing weight 614, the motor 514 drives the taper gear set 602 in the operation of the driving the taper gear set 602, the group of detection blocks 406 rotate, the group of detection blocks 605 rotate along with the rolling block 605, and the group of detection blocks 605 rotate, and the group of detection blocks 406 rotate along with the rolling plate 605, and the group of detection blocks are pushed by the rolling bodies 2.
When in use, the detection method is as follows:
step one: sampling and storing:
drilling a sample at a road surface sampling point through drilling equipment, measuring dry weight, wet weight and the like of the sample, placing the sample on a lower supporting block 4061, inserting two groups of guide posts 4062 into the lower supporting block 4061, enabling an upper pressing block 4063 and the lower supporting block 4061 to wrap the sample, and placing the lower supporting block 4061 filled with the sample on a group of supporting plates 402;
step two: and (3) heat preservation operation:
heat is generated by the electric heating wires 801, and then air is blown through the plurality of groups of electric heating wires 801 by the plurality of groups of fans 802, so that the hot air enters the box body 2 through the air duct 803, and the asphalt sample is heated and insulated;
step three: sample detection:
the sample after half an hour of heat preservation is placed on a test bench 606 through a transfer mechanism 5, and the pressure and deformation degree of the sample are measured and detected through a hydraulic rod 610 and a displacement sensor 612.
Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.
Claims (7)
1. The utility model provides a highway construction pitch paves compactness detection device, includes shallow (1), its characterized in that: the novel trolley is characterized in that the top end of the trolley (1) is fixedly connected with a box body (2), a plurality of groups of sponge pipes (3) are fixedly connected to the inside of the side wall of the box body (2), a storage mechanism (4) is fixedly connected to the inside of the box body (2), a detection assembly is fixedly connected to one side, away from the storage mechanism (4), of the inner wall of the box body (2), a transfer mechanism (5) located between the storage assembly and the detection device (6) is fixedly connected to the inside of the box body (2), and a cover plate (7) is hinged to the top end of the box body (2);
the storage mechanism (4) comprises a rotating frame (401), the rotating frame (401) is rotationally connected to the inner wall of the box body (2), a plurality of groups of supporting plates (402) are fixedly connected to the top end of the rotating frame (401), two groups of locking plates (4021) are respectively fixedly connected to the top ends of the supporting plates (402), two groups of first clamping plates (403) are respectively and slidably arranged on the top ends of the supporting plates (402), a group of first spring pieces (404) are respectively and fixedly connected to the side walls of the two groups of first clamping plates (403), one end of a compression spring (405) is fixedly connected to the side wall of the first clamping plate (403), the other end of the compression spring (405) is fixedly connected to the outer wall of the supporting plate (402), a detection block (406) positioned between the two groups of first clamping plates (403) is fixedly connected to the top end of the supporting plate (402), a first gear (408) is fixedly connected to the bottom end of the ratchet wheel (407), a first gear (409) is slidably connected to the inner wall of the box body (2), and the first gear (409) is meshed with the first gear (408);
the heating device comprises a box body (2), and is characterized in that a heating assembly (8) is arranged at the bottom end of the inner wall of the box body (2), the heating assembly (8) comprises an electric heating wire (801), the electric heating wire (801) is fixedly connected to the bottom end of the inner wall of the box body (2), a plurality of groups of fans (802) located beside the electric heating wire (801) are fixedly connected to the bottom end of the inner wall of the box body (2), an air duct (803) extending to the lower portion of a rotating frame (401) is fixedly connected to the bottom end of the inner wall of the box body (2), and the other end of the air duct (803) is located beside the electric heating wire (801);
the transfer mechanism (5) comprises a bottom plate (501), the top end of the bottom plate (501) is fixedly connected with two groups of sliding rails (502), the outer walls of the two groups of sliding rails (502) are respectively and slidably sleeved with a group of sliding blocks (503), the inner wall of the sliding blocks (503) is rotationally connected with a group of deflection shafts (504) penetrating through the upper end and the lower end of the sliding blocks (503), the top end of the bottom plate (501) is provided with a sliding groove (505), the bottom end of the deflection shaft (504) is slidably connected with the inner wall of the sliding groove (505), the top end of the deflection shaft (504) is fixedly connected with a rotating arm (506), the tail end of the rotating arm (506) is hinged with two groups of clamping arms (507), the side walls of the two groups of the clamping arms (507) are respectively and fixedly connected with a group of third clamping plates (509), the top end of the bottom plate (501) is provided with a synchronous belt (510), the side wall of the synchronous belt (510) is fixedly connected with a push rod (511), the side wall of the sliding block (503) is pushed by the sliding blocks (503), the side wall of the sliding blocks (512) is fixedly connected with a push rod (512), the side wall (512) of the sliding block (512) is fixedly connected with the bottom end of the sliding block (512), the output end of the motor (514) is fixedly connected with a group of second gears in the driving gear set (515), the other group of second gears in the driving gear set (515) is fixedly connected with a rotating roller on the synchronous belt (510), the side wall of the sliding block (503) is fixedly connected with one end of a fixing plate (513), the other end of the fixing plate (513) is fixedly connected with one end of a rack (409), the rotating arm (506) comprises an outer wall main body (5061), the inner wall of the outer wall main body (5061) is slidingly connected with a sliding column (5062) extending to the outside of the rotating arm (506), one end of the sliding column (5062) positioned in the outer wall main body (5061) is fixedly connected with a conical head (5063), the outer surface sliding sleeve of the conical head (5063) is provided with a conical sleeve (5064), the inner side wall of the outer wall main body (5061) is slidingly connected with two groups of baffle plates (5065), the two groups of baffle plates (5065) are abutted against the outer wall of the conical head (5063), the side walls of one group of baffle plates (5065) are respectively fixedly connected with one end of the two groups of connecting rods (5067) which are fixedly connected with one end of the outer wall main body (5061) of the other end of the connecting rod (5067) respectively, one end of the connecting rod (5067) is fixedly connected with one end of the connecting rod (5067), one end of the sliding column (5062) positioned in the rotating arm (506) is fixedly connected with one end of a reset spring (5068), and the other end of the reset spring (5068) is fixedly connected with the inner wall of the rotating arm (506).
2. The highway construction asphalt paving compactness detection device of claim 1, characterized in that: the detection block (406) comprises a lower support block (4061), the lower support block (4061) is slidably connected to the top end of the support plate (402), two groups of first clamping plates (403) are respectively abutted to two sides of the lower support block (4061), two groups of limit grooves (4064) which are matched with the first spring pieces (404) are formed in the side wall of the lower support block (4061), two groups of clamping grooves (4065) which are located above the limit grooves (4064) are formed in the side wall of the lower support block (4061), two groups of guide posts (4062) are sleeved on the side wall of the lower support block (4061) in a sliding mode, and an upper pressing block (4063) located above the lower support block (4061) is arranged on the outer wall of the guide posts (4062) in a sliding mode.
3. The highway construction asphalt paving compactness detection device of claim 2, characterized in that: the inner wall sliding connection of lower tray (4061) has two sets of promotion piece (4066) that extend to the outside of lower tray (4061), the one end that promotes piece (4066) and be located the inside one end of lower tray (4061) articulates there is the one end of two sets of connecting plates (4067), two sets of the other end of connecting plate (4067) articulates the one end that has a set of roof (4068) respectively, the lateral wall of lower tray (4061) articulates has multiunit to turn over board (4069), multiunit the other end butt of roof (4068) is at the lateral wall of a set of turning over board (4069), the one end of turning over board (4069) articulates there is second splint (40610), the one end of lateral wall fixedly connected with extension spring (40611) of second splint (40610), the other end fixedly connected with of extension spring (40611) is at the lateral wall of turning over board (4069), the lateral wall fixedly connected with multiunit push pedal (40612) of turning over board (4063), multiunit lateral wall of pushing board (40612) is the lateral wall butt at the lateral wall of turning over board (4069) respectively.
4. The highway construction asphalt paving compactness detection device of claim 1, characterized in that: the detection device (6) comprises a supporting table (601), the supporting table (601) is fixedly connected to the bottom end of the inner wall of the box body (2), a belt pulley set (602) is rotatably arranged on the side wall of the supporting table (601), a rotating roller on the belt pulley set (602) is fixedly connected to the output end of a motor (514), one end of a bevel gear set (603) is fixedly connected to the end portion of another rotating roller on the belt pulley set (602), a plurality of groups of rubber conveying rollers (604) are fixedly arranged on the bottom end of the inner wall of the box body (2), the other end of the bevel gear set (603) is fixedly connected to one end of one group of rubber conveying rollers (604), and a plurality of groups of rubber conveying rollers (604) are connected together through a group of belts.
5. The highway construction asphalt paving compactness detection apparatus of claim 4, characterized in that: the inner wall fixedly connected with of box (2) is located stock guide (605) next to rubber conveying roller (604), interior top fixedly connected with hydraulic stem (610) of box (2), bottom fixedly connected with clamp plate (611) of hydraulic stem (610), the top fixedly connected with displacement sensor (612) of clamp plate (611).
6. The highway construction asphalt paving compactness detection apparatus of claim 4, characterized in that: the test bench is characterized in that a test bench (606) is fixedly connected to the top end of the test bench (601), two groups of guide plates (607) are fixedly connected to the top end of the test bench (606), two groups of guide plates (607) are fixedly connected with a group of third spring pieces (608) respectively, two groups of unlocking plates (609) are fixedly connected to the top end of the test bench (606), a turnover table (613) is hinged to the side wall of the test bench (606), and a balancing weight (614) is fixedly connected to the bottom end of the turnover table (613).
7. A method for detecting asphalt pavement compactness suitable for the road construction according to any one of claims 1 to 6, characterized in that: the detection method comprises the following steps:
step one: sampling and storing:
drilling a sample at a road surface sampling point through drilling equipment, measuring the dry weight and the wet weight of the sample, placing the sample on a lower supporting block (4061), inserting two groups of guide posts (4062) into the lower supporting block (4061) so that an upper pressing block (4063) and the lower supporting block (4061) wrap the sample, and placing the lower supporting block (4061) filled with the sample on a group of supporting plates (402);
step two: and (3) heat preservation operation:
the heating wires (801) are utilized to generate heat, and then air is blown through the plurality of groups of heating wires (801) by the plurality of groups of fans (802), so that the hot air enters the box body (2) through the air duct (803), and the asphalt sample is heated and insulated;
step three: sample detection:
the sample after half an hour of heat preservation is placed on a test bench (606) through a transfer mechanism (5), and the pressure and deformation degree of the sample are measured and detected through a hydraulic rod (610) and a displacement sensor (612).
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| CN202311728361.3A CN117405503B (en) | 2023-12-15 | 2023-12-15 | Highway construction asphalt paving compactness detection device and detection method |
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| CN117405503A (en) | 2024-01-16 |
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