CN117740620B - Asphalt mixing consistency detection equipment for road recycling construction - Google Patents
Asphalt mixing consistency detection equipment for road recycling construction Download PDFInfo
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- CN117740620B CN117740620B CN202311761464.XA CN202311761464A CN117740620B CN 117740620 B CN117740620 B CN 117740620B CN 202311761464 A CN202311761464 A CN 202311761464A CN 117740620 B CN117740620 B CN 117740620B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 77
- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000002156 mixing Methods 0.000 title claims abstract description 9
- 238000004064 recycling Methods 0.000 title claims description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 230000008929 regeneration Effects 0.000 claims abstract description 7
- 238000011069 regeneration method Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006424 Flood reaction Methods 0.000 claims description 2
- 238000013329 compounding Methods 0.000 description 16
- 238000012360 testing method Methods 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- Road Paving Machines (AREA)
Abstract
The invention relates to the technical field of asphalt detection, in particular to asphalt mixing consistency detection equipment for road regeneration construction, which comprises a placing tank, a driving mechanism and a detection mechanism, wherein the placing tank is provided with a placing cavity and a temperature adjusting cavity, and a piston disc is arranged in the placing cavity; the driving mechanism is arranged at the bottom of the placement tank and is provided with a driving shaft which is connected with the piston disc; the invention sets up the top of placing the jar through preventing the piston disc that can upwards move in the chamber in the top of rotating head, through throwing pitch into placing the chamber, through controlling the temperature of the chamber that adjusts the temperature at the same time, make detecting mechanism after measuring the torsional moment of rotating head in different temperature pitch through the torque sensor, start the actuating mechanism, make actuating mechanism's drive shaft drive the piston disc and upwards move in placing the chamber, thus make the piston disc can upwards push out the residual pitch of placing the intracavity wall, thus finish the clearance to pitch.
Description
Technical Field
The invention relates to the technical field of asphalt detection, in particular to asphalt mixing consistency detection equipment for road recycling construction.
Background
Road recycling construction refers to modifying, maintaining or updating existing roads that are aged, damaged or not adapted to traffic demands, so as to improve the use performance and safety of the roads. In road recycling construction, asphalt mixtures are commonly used materials, the consistency of which plays a vital role in the quality and durability of road construction.
The consistency of an asphalt mixture refers to the viscosity and flowability of the mixture and can also be understood as the rheological properties of the asphalt mixture. Consistency testing is used to determine the rheology of asphalt mixtures at specific temperatures and shear rates to determine the workability and service performance of the mixtures. The consistency test can help engineers and constructors to know the fluidity and the adhesiveness of the asphalt mixture, so that stirring, laying and compacting operations in the construction process are guided, and the quality and the durability of road regeneration construction are ensured.
In order to achieve accurate testing of the consistency of the asphalt mix, specialized testing equipment is required. One commonly used asphalt mixture consistency measurement device is a rotary viscometer that uses a rotating pin to shear the surface of an asphalt mixture and determine its consistency by measuring the shear stress and shear rate of the asphalt mixture. In addition, the consistency test of the asphalt mixture can be carried out by using a dynamic shear rheometer, a centrifugal viscometer and other devices.
In a word, the asphalt mixture consistency detection equipment plays a vital role in road regeneration construction, and the road construction process can be effectively guided through accurate testing of the asphalt mixture consistency, so that the construction quality and the road service performance are ensured. Therefore, in road recycling construction, the consistency test of the asphalt mixture should be paid attention to, and proper test equipment should be selected for testing, so as to ensure the quality and safety of road construction.
Chinese patent CN112240858B discloses a consistency detection device for asphalt mixing processing, bottom plate including the level setting, the bottom plate top is equipped with the casing, the casing bottom surface is through many support columns and bottom plate fixed connection of vertical setting, the casing includes casing inlayer and casing skin, be equipped with casing inlayer fixed connection's heating piece between casing inlayer and the casing skin, heating piece is through a plurality of first go-between and casing skin fixed connection, be equipped with first vacuum layer between casing inlayer and the casing skin, the casing below is equipped with the motor with bottom plate fixed connection.
According to the invention, the consistency of asphalt is doubly detected by arranging the torque sensor and the pressure sensor, and after the detection is finished, most of asphalt is discharged, residual asphalt is cleaned by the cleaning mechanism arranged in the shell, however, the cleaning mechanism cannot clean asphalt on the inner wall of the shell, and further, the residual asphalt cannot be effectively cleaned.
Disclosure of Invention
To above-mentioned problem, provide a road regeneration construction is with pitch compounding consistency check out test set up in placing jar and place the chamber and wrap up the chamber that adjusts the temperature of placing the chamber, after the viscosity of pitch under different temperatures has been detected, through starting actuating mechanism for the piston disc can be upwards ejecting with remaining pitch in placing the chamber, thereby accomplishes the clearance to placing the intracavity wall, has solved the problem that current pitch compounding's consistency detection device can't effectively clear up detection environment inner wall.
In order to solve the problems in the prior art, the invention provides asphalt mixing consistency detection equipment for road regeneration construction, which comprises a placing tank, a driving mechanism and a detection mechanism, wherein the placing tank is provided with a placing cavity with an opening at the top end and a temperature adjusting cavity positioned at the outer side of the placing cavity, a piston disc capable of sliding in the placing cavity is arranged in the placing cavity, the placing cavity is used for throwing asphalt, and the temperature adjusting cavity is used for adjusting the temperature in the placing cavity; the driving mechanism is arranged at the bottom of the placing tank and is provided with a driving shaft which penetrates through the placing tank in a downward sliding mode, and the top end of the driving shaft is connected with the piston disc; the detection mechanism is provided with a top of the placing tank, the detection mechanism is provided with a rotating head which can move to the placing cavity and can rotate in the placing cavity, a torque sensor is arranged at the top of the rotating head, and under the detection state, the rotating head is submerged by the asphalt mixture in the placing cavity, and the torque of the rotating head in asphalt is measured through the torque sensor.
Preferably, the placing tank is provided with a water inlet and a water outlet which are communicated with the temperature adjusting cavity, the water outlet is higher than the water inlet, and the water inlet is communicated with a pump for outputting water with fixed temperature.
Preferably, the detection mechanism further comprises a rotating shaft and a first motor; the rotating shaft is longitudinally arranged, the rotating head is coaxially and fixedly arranged at the bottom end of the rotating shaft, and an output shaft of the torque sensor is in transmission connection with the rotating shaft; the first motor is arranged at the top of the rotating shaft, the input shaft of the torque sensor is in transmission connection with the output shaft of the first motor, and the rotating head is driven to rotate in asphalt in the placing cavity by starting the first motor.
Preferably, the rotating head comprises a shaft body and a stirring fan extending along the radial direction of the shaft body, the top end of the shaft body is fixedly connected with the rotating shaft, the stirring fan is provided with a passing port, the detecting mechanism further comprises a port adjusting component arranged in the rotating head, and the port adjusting component is used for adjusting the actual caliber of the passing port for passing asphalt.
Preferably, the shaft body and the rotating shaft are hollow, the mouth adjusting assembly comprises a first movable ring, a second movable ring and an adjusting rod, the first movable ring and the second movable ring are arranged in the hollow shaft body in a downward or back sliding manner, a first movable plate extending into the hollow stirring fan is arranged on the outer circumferential surface of the first movable ring, a second movable plate extending into the hollow stirring fan is arranged on the outer circumferential surface of the second movable ring, and an actual passage for asphalt to pass through is formed between the first movable plate and the second movable plate; the adjusting rod is rotationally arranged on the hollow rotating shaft, symmetrical thread sections are arranged at the lower part of the adjusting rod, the first moving ring and the second moving ring are respectively in threaded connection with the thread sections at two positions, the top end of the adjusting rod is higher than the top end of the rotating shaft, the adjusting rod is rotated relative to the rotating shaft, and the first moving ring and the second moving ring move in the shaft body in opposite directions or back to each other.
Preferably, the detection mechanism further comprises a first gear and a second gear, and the first gear is coaxially and fixedly arranged on the rotating shaft; the second gear is coaxially and fixedly arranged on the output shaft of the torque sensor, and the first gear is meshed with the second gear.
Preferably, the top of piston disc is provided with the recess, has placed the collection bowl on the recess, and the internal diameter of collection bowl reduces from top to bottom gradually, and the top border of collection bowl is provided with rather than coaxial butt ring, butt ring and the inner wall clearance fit of placing the chamber, and the top border of piston disc is provided with the ladder annular, is provided with the sealing washer on the ladder annular, sealing washer and the inner wall interference fit of placing the chamber, butt ring butt on the sealing washer.
Preferably, the driving mechanism further comprises a push rod and a connecting frame, and the push rod is longitudinally arranged at the outer side of the placing tank; the connecting frame is horizontally connected with the output shaft of the push rod and the bottom end of the driving shaft, and the driving shaft is driven to longitudinally move by starting the push rod.
Preferably, the bottom end of the placing cavity is opened, the bottom end of the driving shaft is rotationally connected with the connecting frame, and the driving mechanism further comprises a brush head, a second motor, a third gear and a fourth gear; the brush head is coaxially and fixedly arranged at the upper part of the driving shaft; the second motor is arranged at the bottom of the placing tank; the third gear is coaxially embedded and slidingly arranged on the driving shaft; the fourth gear is coaxially and fixedly arranged on the output shaft of the second motor, the third gear is meshed with the fourth gear, and when the second motor is started, the driving shaft drives the brush head to rotate so as to roll the inner wall of the brush placing cavity.
Preferably, the bottom of placing the chamber is provided with rather than coaxial spacing ring, and the internal diameter of spacing ring is less than the diameter of piston disc, under the detected state, the piston disc butt is on the top of spacing ring.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the piston disc capable of moving upwards is arranged in the preventing cavity, asphalt is put into the placing cavity, meanwhile, the temperature of the temperature regulating cavity is controlled, so that the detecting mechanism starts the driving mechanism after the torque sensor measures the torsion moment of the rotating head in asphalt with different temperatures, and the driving shaft of the driving mechanism drives the piston disc to move upwards in the placing cavity, so that the piston disc can eject residual asphalt on the inner wall of the placing cavity upwards, and the cleaning of asphalt is completed.
Drawings
Fig. 1 is a perspective view of an asphalt mixture consistency detection apparatus for road recycling construction.
Fig. 2 is a perspective sectional view of an asphalt mixture consistency detection apparatus for road recycling construction.
Fig. 3 is a cross-sectional view of an asphalt mixture consistency detection apparatus for road recycling construction.
Fig. 4 is a partial enlarged view at a of fig. 3.
Fig. 5 is a partial enlarged view at B of fig. 3.
Fig. 6 is a schematic diagram of the internal structure of an asphalt mixture consistency detection apparatus for road recycling construction.
Fig. 7 is a perspective view of a detection mechanism in an asphalt mixture consistency detection apparatus for road recycling construction.
Fig. 8 is an exploded perspective view of a detection mechanism in an asphalt mixture consistency detection apparatus for road recycling construction.
Fig. 9 is a perspective view of a piston ring in an asphalt mixture consistency detection apparatus for road recycling construction.
Fig. 10 is an exploded perspective view of a piston ring in an asphalt mixture consistency detection apparatus for road recycling construction.
The reference numerals in the figures are: 1. placing a tank; 11. a placement cavity; 111. a limiting ring; 12. a temperature regulating cavity; 13. a water inlet; 14. a water outlet; 2. a piston disc; 21. a collection bowl; 211. an abutment ring; 22. a seal ring; 3. a driving mechanism; 31. a drive shaft; 32. a push rod; 33. a connecting frame; 34. a brush head; 35. a second motor; 36. a third gear; 37. a fourth gear; 4. a detection mechanism; 41. a rotating head; 411. a shaft body; 412. a stirring fan; 4121. a through port; 42. a rotating shaft; 43. a first motor; 441. a first moving ring; 4411. a first moving plate; 442. a second moving ring; 4421. a second moving plate; 443. an adjusting rod; 444. a bellows; 445. a block; 45. a first gear; 46. a second gear; 5. a torque sensor.
Description of the embodiments
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1, 2 and 3, the present invention provides:
The utility model provides a road regeneration is pitch compounding consistency check out test set for construction, includes placing jar 1, actuating mechanism 3 and detection mechanism 4, placing jar 1 has open-topped placing cavity 11, and is located the temperature regulating chamber 12 of placing cavity 11 outside, be provided with in placing cavity 11 can slide in piston disc 2, placing cavity 11 is used for throwing in pitch, temperature regulating chamber 12 is used for adjusting the temperature in placing cavity 11; the driving mechanism 3 is arranged at the bottom of the placing tank 1, the driving mechanism 3 is provided with a driving shaft 31 which penetrates through the placing tank 1 in a sliding way, and the top end of the driving shaft 31 is connected with the piston disc 2; the detection mechanism 4 is provided at the top of the placement tank 1, the detection mechanism 4 has a rotary head 41 movable to the placement chamber 11 and rotatable therein, the top of the rotary head 41 is provided with a torque sensor 5, and in a detection state, the asphalt mixture in the placement chamber 11 floods the rotary head 41, and the torque of the rotary head 41 in asphalt is measured by the torque sensor 5.
The principle of measuring viscosity by a rotary method is based on that objects immersed in fluid rotate or the objects are static and rotate by using surrounding fluid, the objects are subjected to the action of viscosity moment of the fluid, the viscosity moment is directly proportional to the viscosity of the fluid, and the viscosity is obtained by measuring the viscosity moment and the rotating speed of a rotating body.
Before detection, the asphalt mixture is put into the placing cavity 11, the rotating head 41 is inserted into the asphalt mixture, then the top end opening of the placing cavity 11 is plugged, and gas with a certain pressure is injected into the placing cavity 11, so that the asphalt mixture is detected in a certain pressure environment.
By adjusting the temperature of the tempering chamber 12, the temperature in the placement chamber 11 can be controlled such that the asphalt mixture is maintained in an environment of a certain pressure and temperature.
The detection mechanism 4 is started, so that the rotating head 41 rotates in the asphalt mixture, meanwhile, the torque moment of the rotating head 41 in the asphalt mixture can be detected through the torque sensor 5, and the consistency of the asphalt mixture is obtained through torque conversion calculation.
After the detection is finished, after the asphalt mixture in the placing cavity 11 is pumped away, part of asphalt still remains to be adhered to the inner wall of the placing cavity 11, at the moment, the driving mechanism 3 is started, the driving shaft 31 drives the piston disc 2 to move upwards in the placing cavity 11, so that the piston disc 2 ejects the asphalt on the inner wall of the placing cavity 11, and cleaning of the asphalt is realized.
In this embodiment, through setting up the piston disc 2 that can upwards move in preventing the chamber, through throwing pitch into place the chamber 11, simultaneously through controlling the temperature of chamber 12 that adjusts the temperature for detection mechanism 4 is measuring the torsional moment of rotating head 41 in different temperature pitch through torque sensor 5 after, start actuating mechanism 3, make actuating mechanism 3's drive shaft 31 drive piston disc 2 upwards move in placing the chamber 11, so that piston disc 2 can be with placing the remaining pitch of chamber 11 inner wall and upwards ejecting, with this clearance to pitch of accomplishing.
As shown in fig. 3, the placing tank 1 is provided with a water inlet 13 and a water outlet 14 which are communicated with the temperature regulating cavity 12, the water outlet 14 is higher than the water inlet 13, and the water inlet 13 is communicated with a pump for outputting water with fixed temperature.
Still include storage water tank and heating pipe, the storage water tank passes through heating pipe and pump intercommunication, and the pump can be with the water pump that has certain temperature in to the temperature regulating chamber 12, through the temperature of heating pipe control water, delivery port 14 and storage water tank intercommunication simultaneously for can form the circulation between the storage water tank and place chamber 11, with this temperature that can control place the pitch compounding in the chamber 11, thereby detect the consistence of pitch compounding under different temperatures.
As shown in fig. 6, the detecting mechanism 4 further includes a rotation shaft 42 and a first motor 43; the rotating shaft 42 is longitudinally arranged, the rotating head 41 is coaxially and fixedly arranged at the bottom end of the rotating shaft 42, and the output shaft of the torque sensor 5 is in transmission connection with the rotating shaft 42; the first motor 43 is arranged at the top of the rotating shaft 42, the input shaft of the torque sensor 5 is in transmission connection with the output shaft of the first motor 43, and the rotating head 41 is driven to rotate in the asphalt of the placing cavity 11 by starting the first motor 43.
Still include first support, first support sets up at the top of placing jar 1 through first elevating system, and axis of rotation 42 and first motor 43 all set up on first support, can adjust the height of swivel 41 through starting first elevating system to the clearance of being convenient for is placed chamber 11.
When needs make the rotating head 41 rotate in placing the chamber 11, start first motor 43 for first motor 43 drives the input shaft rotation of torque sensor 5, and the output shaft of torque sensor 5 drives axis of rotation 42 and rotates in placing the chamber 11 simultaneously, and the coaxial fixed setting of rotating head 41 is in the bottom of axis of rotation 42, makes rotating head 41 rotatory in the pitch compounding, can detect the rotation torque of rotating head 41 in the pitch compounding through torque sensor 5, when the consistency of pitch compounding is higher, the rotation torque of rotating head 41 is great, and when the consistency of pitch compounding is lower, the rotation torque of rotating head 41 is less, calculates the consistency of knowing pitch through the torque conversion.
As shown in fig. 7 and 8, the rotary head 41 includes a shaft body 411, and a stirring fan 412 extending radially along the shaft body 411, the top end of the shaft body 411 is fixedly connected with the rotating shaft 42, the stirring fan 412 has a passing port 4121, and the detecting mechanism 4 further includes a port adjusting assembly disposed in the rotary head 41, and the port adjusting assembly is used for adjusting the actual caliber of the passing port 4121 for passing asphalt.
For when improving the detection precision of pitch compounding consistence, set up axis body 411 on axis of rotation 42 for axis of rotation 42 can drive axis body 411 rotatory when rotatory, and be provided with stirring fan 412 on the periphery of axis body 411, make stirring fan 412 rotatory in the pitch compounding, stirring fan 412 receives the effect of pitch compounding's viscosity moment, the size of viscosity moment is directly proportional with pitch compounding's viscosity, calculate the viscosity through measuring the rotational speed of viscosity moment and pitch compounding, offered through mouthful 4121 simultaneously on the stirring, with this regulation stirring fan 412 with pitch compounding's area of contact when rotatory, and then can the multiple contrast, thereby accurately detect pitch compounding's consistence.
As shown in fig. 4 and 8, the shaft body 411 and the rotation shaft 42 are hollow, the mouth adjusting assembly includes a first moving ring 441, a second moving ring 442 and an adjusting rod 443, the first moving ring 441 and the second moving ring 442 are disposed in the hollow shaft body 411 in a downward or back sliding manner, a first moving plate 4411 extending into the hollow stirring fan 412 is disposed on an outer circumferential surface of the first moving ring 441, a second moving plate 4421 extending into the hollow stirring fan 412 is disposed on an outer circumferential surface of the second moving ring 442, and an actual passage through which asphalt passes is formed between the first moving plate 4411 and the second moving plate 4421; the adjusting rod 443 is rotatably disposed on the hollow rotation shaft 42, symmetrical screw thread segments are disposed at the lower portion of the adjusting rod 443, the first moving ring 441 and the second moving ring 442 are respectively in screw thread connection with the screw thread segments at two positions, the top end of the adjusting rod 443 is higher than the top end of the rotation shaft 42, the adjusting rod 443 is rotated relative to the rotation shaft 42, and the first moving ring 441 and the second moving ring 442 move in opposite directions or back directions in the shaft body 411.
The bottom end openings of the shaft body 411 and the stirring fan 412 are opened, so that the first moving ring 441 and the second moving ring 442 are conveniently installed in the shaft body 411, and simultaneously, after the first moving ring 441 and the second moving ring 442 are installed, a blocking block 445 is installed at the bottom end openings of the shaft body 411 and the stirring fan 412, so that asphalt is prevented from entering the shaft body 411 and the stirring fan 412.
The screw section of the adjusting rod 443 is further sleeved with a bellows 444, and two ends of the bellows 444 are respectively connected with the first moving ring 441 and the second moving ring 442, so that asphalt is prevented from being blocked on the screw section, and further the first moving ring 441 and the second moving ring 442 cannot move in opposite directions or back to back.
When the size of the through hole 4121 needs to be adjusted, the adjusting rod 443 is rotated relative to the rotating shaft 42, so that the adjusting rod 443 rotates in the rotating shaft 42, and the first moving ring 441 and the second moving ring 442 are respectively in threaded connection with symmetrical threaded sections on the adjusting rod 443, so that the first moving ring 441 and the second moving ring 442 move in opposite directions or back directions in the shaft 411, and further the first moving plate 4411 and the second moving plate 4421 can be driven to move in opposite directions or back directions in the stirring fan 412, so that the distance between the first moving plate 4411 and the second moving plate 4421 can be adjusted, and the actual size of the through hole 4121 can be adjusted, so that the contact area between the stirring fan 412 and the asphalt mixture can be adjusted when rotating.
As shown in fig. 6, the detecting mechanism 4 further includes a first gear 45 and a second gear 46, the first gear 45 being coaxially and fixedly disposed on the rotation shaft 42; the second gear 46 is coaxially and fixedly provided on the output shaft of the torque sensor 5, and the first gear 45 and the second gear 46 are meshed.
To facilitate rotation of the adjustment lever 443 therein with respect to the rotation shaft 42, the tip of the adjustment lever 443 is made higher than the rotation shaft 42, and the first gear 45 is coaxially and fixedly provided on the rotation shaft 42, while the second gear 46 is coaxially and fixedly provided on the output shaft of the torque sensor 5, thereby enabling the motor to be provided on one side of the rotation shaft 42, so that rotation of the adjustment lever 443 can be facilitated.
As shown in fig. 5, 9 and 10, the top end of the piston disc 2 is provided with a groove, a collecting bowl 21 is placed on the groove, the inner diameter of the collecting bowl 21 gradually decreases from top to bottom, the top end edge of the collecting bowl 21 is provided with an abutting ring 211 coaxial with the collecting bowl, the abutting ring 211 is in clearance fit with the inner wall of the placing cavity 11, the top end edge of the piston disc 2 is provided with a stepped ring groove, a sealing ring 22 is arranged on the stepped ring groove, the sealing ring 22 is in interference fit with the inner wall of the placing cavity 11, and the abutting ring 211 abuts against the sealing ring 22.
The bottom of the collecting bowl 21 is provided with a jogging block, the bottom of the groove is provided with a jogging groove, and the jogging block can be jogged in the jogging groove, so that the rotating head 41 is prevented from rotating, and the rotating asphalt drives the collecting bowl 21 to rotate in the groove.
In order to be convenient for clear up the pitch at piston disc 2 top, place collection bowl 21 in the recess on piston disc 2 top, when piston disc 2 upwards removes, sealing washer 22 can be with the pitch of placing the inner wall of chamber 11 ejecting upwards, and the pitch of ejection can slide in collection bowl 21 simultaneously to through taking off collection bowl 21 from piston disc 2 to this clearance to the collection chamber can be accomplished.
As shown in fig. 6, the driving mechanism 3 further includes a push rod 32 and a link 33, the push rod 32 being disposed outside the canister 1 in the longitudinal direction; the connecting frame 33 horizontally connects the output shaft of the push rod 32 and the bottom end of the driving shaft 31, and drives the driving shaft 31 to move longitudinally by activating the push rod 32.
When it is desired to move the piston disc 2 upwards in the placement chamber 11, the push rod 32 is activated, the push rod 32 being an electric or pneumatic push rod 32, so that the connecting frame 33 is moved in the longitudinal direction or in the longitudinal direction, and at the same time the drive shaft 31 connected to the connecting frame 33 is moved upwards in the placement tank 1, whereby the piston disc 2 is moved upwards in the placement chamber 11.
As shown in fig. 6, the bottom end of the placing cavity 11 is opened, the bottom end of the driving shaft 31 is rotatably connected with the connecting frame 33, and the driving mechanism 3 further comprises a brush head 34, a second motor 35, a third gear 36 and a fourth gear 37; the brush head 34 is coaxially and fixedly provided at the upper portion of the drive shaft 31; the second motor 35 is arranged at the bottom of the placing tank 1; the third gear 36 is coaxially fitted slidably on the drive shaft 31; the fourth gear 37 is fixedly disposed coaxially on the output shaft of the second motor 35, and the third gear 36 and the fourth gear 37 are engaged, and when the second motor 35 is started, the drive shaft 31 rotates the brush head 34 to roll the inner wall of the brush placement chamber 11.
In order to improve the cleaning effect of the inner wall of the tank body, the second motor 35 is started, so that the output shaft of the second motor 35 drives the driving shaft 31 to rotate through the third gear 36 and the fourth gear 37, the brush head 34 arranged on the upper portion of the driving shaft 31 is enabled to rotate, meanwhile, the bottom end of the placing cavity 11 is communicated with the temperature adjusting cavity 12, water is arranged in the temperature adjusting cavity 12, the driving shaft 31 is enabled to lift the piston disc 2, and meanwhile, the driving shaft 31 can drive the brush head 34 to scrape the inner wall of the placing cavity 11, so that the cleaning effect of the placing cavity 11 is improved.
As shown in fig. 5, the bottom end of the placement cavity 11 is provided with a limiting ring 111 coaxial with the placement cavity, the inner diameter of the limiting ring 111 is smaller than the diameter of the piston disc 2, and in the detection state, the piston disc 2 abuts against the top end of the limiting ring 111.
By providing the stopper ring 111 at the bottom end of the placement chamber 11, the piston disc 2 can be prevented from sliding down out of the placement chamber 11.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (7)
1. The asphalt mixture consistency detection equipment for road regeneration construction is characterized by comprising a placing tank, a driving mechanism and a detection mechanism,
The placing tank is provided with a placing cavity with an opening at the top end and a temperature adjusting cavity positioned outside the placing cavity, a piston disc capable of sliding in the placing cavity is arranged in the placing cavity, the placing cavity is used for throwing asphalt, and the temperature adjusting cavity is used for adjusting the temperature in the placing cavity;
the driving mechanism is arranged at the bottom of the placing tank and is provided with a driving shaft which penetrates through the placing tank in a downward sliding mode, and the top end of the driving shaft is connected with the piston disc;
The detection mechanism is provided with a rotating head which can move to the placing cavity and can rotate in the placing cavity, the top of the rotating head is provided with a torque sensor, and under the detection state, the asphalt mixture in the placing cavity floods the rotating head, and the torque of the rotating head in asphalt is measured through the torque sensor;
the detection mechanism further comprises a rotating shaft and a first motor;
the rotating shaft is longitudinally arranged, the rotating head is coaxially and fixedly arranged at the bottom end of the rotating shaft, and an output shaft of the torque sensor is in transmission connection with the rotating shaft;
the first motor is arranged at the top of the rotating shaft, an input shaft of the torque sensor is in transmission connection with an output shaft of the first motor, and the first motor is started to drive the rotating head to rotate in asphalt in the placing cavity;
The rotating head comprises a shaft body and a stirring fan extending along the radial direction of the shaft body, the top end of the shaft body is fixedly connected with the rotating shaft, the stirring fan is provided with a passing port, the detecting mechanism also comprises a port adjusting component arranged in the rotating head, and the port adjusting component is used for adjusting the actual caliber of the passing port for passing asphalt;
the shaft body and the rotating shaft are hollow, the mouth adjusting assembly comprises a first movable ring, a second movable ring and an adjusting rod,
The first moving ring and the second moving ring are arranged in the hollow shaft body in a downward or backward sliding manner, a first moving plate extending into the hollow stirring fan is arranged on the outer circumferential surface of the first moving ring, a second moving plate extending into the hollow stirring fan is arranged on the outer circumferential surface of the second moving ring, and an actual passage for asphalt to pass through is formed between the first moving plate and the second moving plate;
the adjusting rod is rotationally arranged on the hollow rotating shaft, symmetrical thread sections are arranged at the lower part of the adjusting rod, the first moving ring and the second moving ring are respectively in threaded connection with the thread sections at two positions, the top end of the adjusting rod is higher than the top end of the rotating shaft, the adjusting rod is rotated relative to the rotating shaft, and the first moving ring and the second moving ring move in the shaft body in opposite directions or back to each other.
2. The asphalt mixing consistency detection device for road recycling construction according to claim 1, wherein the placing tank is provided with a water inlet and a water outlet which are communicated with the temperature adjusting cavity, the water outlet is higher than the water inlet, and the water inlet is communicated with a pump for outputting water with fixed temperature.
3. An apparatus for detecting consistency of asphalt mixture for road recycling construction according to claim 1, wherein the detecting means further comprises a first gear and a second gear,
The first gear is coaxially and fixedly arranged on the rotating shaft;
The second gear is coaxially and fixedly arranged on the output shaft of the torque sensor, and the first gear is meshed with the second gear.
4. The asphalt mixing consistency detection device for road recycling construction according to claim 1 or 2, wherein the top end of the piston disc is provided with a groove, a collecting bowl is placed on the groove, the inner diameter of the collecting bowl is gradually reduced from top to bottom, the top end edge of the collecting bowl is provided with an abutting ring coaxial with the collecting bowl, the abutting ring is in clearance fit with the inner wall of the placing cavity, the top end edge of the piston disc is provided with a stepped annular groove, a sealing ring is arranged on the stepped annular groove, the sealing ring is in interference fit with the inner wall of the placing cavity, and the abutting ring abuts against the sealing ring.
5. The asphalt mixture consistency detection apparatus for road recycling construction according to claim 2, wherein the driving mechanism further comprises a push rod and a connecting frame,
The push rod is longitudinally arranged at the outer side of the placing tank;
The connecting frame is horizontally connected with the output shaft of the push rod and the bottom end of the driving shaft, and the driving shaft is driven to longitudinally move by starting the push rod.
6. The asphalt mixture consistency detection device for road recycling construction according to claim 5, wherein the bottom end of the placing cavity is opened, the bottom end of the driving shaft is rotatably connected with the connecting frame, and the driving mechanism further comprises a brush head, a second motor, a third gear and a fourth gear;
The brush head is coaxially and fixedly arranged at the upper part of the driving shaft;
the second motor is arranged at the bottom of the placing tank;
The third gear is coaxially embedded and slidingly arranged on the driving shaft;
The fourth gear is coaxially and fixedly arranged on the output shaft of the second motor, the third gear is meshed with the fourth gear, and when the second motor is started, the driving shaft drives the brush head to rotate so as to roll the inner wall of the brush placing cavity.
7. The asphalt mixing consistency detection device for road recycling construction according to claim 6, wherein the bottom end of the placement cavity is provided with a limiting ring coaxial with the placement cavity, the inner diameter of the limiting ring is smaller than the diameter of the piston disc, and the piston disc is abutted to the top end of the limiting ring in the detection state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311761464.XA CN117740620B (en) | 2023-12-20 | 2023-12-20 | Asphalt mixing consistency detection equipment for road recycling construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311761464.XA CN117740620B (en) | 2023-12-20 | 2023-12-20 | Asphalt mixing consistency detection equipment for road recycling construction |
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| CN117740620A CN117740620A (en) | 2024-03-22 |
| CN117740620B true CN117740620B (en) | 2024-05-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010098994A (en) * | 2001-08-03 | 2001-11-09 | 허인순 | asphalt material tester |
| CN206034244U (en) * | 2016-08-23 | 2017-03-22 | 南阳市龙达工程机械有限公司 | Automatic pitch regenerating unit of function that clears up in area |
| CN206321490U (en) * | 2016-12-22 | 2017-07-11 | 江苏四通路桥工程有限公司 | Rotary compactor |
| CN112240858A (en) * | 2020-10-03 | 2021-01-19 | 苏英 | Thickness detection device is used in processing of pitch compounding |
| CN112903535A (en) * | 2021-02-09 | 2021-06-04 | 甘新立 | Modified asphalt consistency detection device |
| CN115639111A (en) * | 2022-09-15 | 2023-01-24 | 江苏祥安建设工程有限公司 | Pitch compounding consistency detection device |
-
2023
- 2023-12-20 CN CN202311761464.XA patent/CN117740620B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010098994A (en) * | 2001-08-03 | 2001-11-09 | 허인순 | asphalt material tester |
| CN206034244U (en) * | 2016-08-23 | 2017-03-22 | 南阳市龙达工程机械有限公司 | Automatic pitch regenerating unit of function that clears up in area |
| CN206321490U (en) * | 2016-12-22 | 2017-07-11 | 江苏四通路桥工程有限公司 | Rotary compactor |
| CN112240858A (en) * | 2020-10-03 | 2021-01-19 | 苏英 | Thickness detection device is used in processing of pitch compounding |
| CN112903535A (en) * | 2021-02-09 | 2021-06-04 | 甘新立 | Modified asphalt consistency detection device |
| CN115639111A (en) * | 2022-09-15 | 2023-01-24 | 江苏祥安建设工程有限公司 | Pitch compounding consistency detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117740620A (en) | 2024-03-22 |
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