CN112146977A - Performance detector special for asphalt and detection method thereof - Google Patents

Performance detector special for asphalt and detection method thereof Download PDF

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Publication number
CN112146977A
CN112146977A CN202010778414.2A CN202010778414A CN112146977A CN 112146977 A CN112146977 A CN 112146977A CN 202010778414 A CN202010778414 A CN 202010778414A CN 112146977 A CN112146977 A CN 112146977A
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China
Prior art keywords
asphalt
hook
plate
fixed frame
threaded rod
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CN202010778414.2A
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Chinese (zh)
Inventor
魏广伟
李科
王明
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Cccc Infrastructure Maintenance Group Ningxia Engineering Co ltd
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Cccc Infrastructure Maintenance Group Ningxia Engineering Co ltd
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Priority to CN202010778414.2A priority Critical patent/CN112146977A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention relates to the technical field of asphalt performance detection, in particular to a special performance detector for asphalt, which comprises a supporting plate, wherein the upper surface of the supporting plate is connected with a fixed plate, the upper end of a first fixed plate is connected with a top plate, one side of the upper end of the top plate is connected with a motor, the other side of the upper end of the top plate is connected with a fixed block, the output end of the motor is in driving connection with a rotating shaft, one end of the rotating shaft is connected with a threaded rod, the threaded rod is connected with a threaded pipe, the top plate is provided with a movable groove, the bottom end of the threaded rod is connected with a second hook, the second hook is provided with a groove, the groove is. The invention also provides a detection method of the special performance detector for the asphalt. According to the invention, the tensile property of the asphalt is known through the maximum pressure detected by the pressure sensor and the displacement of the movement of the threaded pipe detected by the graduated scale, and the detection accuracy of the tensile property is high.

Description

Performance detector special for asphalt and detection method thereof
Technical Field
The invention relates to the technical field of asphalt performance detection, in particular to a special performance detector for asphalt and a detection method thereof.
Background
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, and is soluble in carbon disulfide. Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material. The asphalt can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt: wherein, the coal tar pitch is a byproduct of coking, and the pitch is mainly used for industries of paint, plastics, rubber and the like, pavement and the like. In order to ensure the safety of asphalt use, the tensile property of asphalt needs to be detected, and the existing detection device is low in detection precision and cannot effectively detect the tensile property of the asphalt.
Disclosure of Invention
The invention aims to solve the defect of low detection precision of a detection device in the prior art, and provides a special performance detector for asphalt and a detection method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a special performance detector for asphalt, which comprises a supporting plate, wherein two sides of the bottom end of the supporting plate are both connected with bottom feet, the upper surface of the supporting plate is connected with a water bath mechanism, the upper surface of the supporting plate is connected with a first hook, the first hook is positioned in the water bath mechanism, the upper surface of the supporting plate is connected with a fixed plate, the upper end of the first fixed plate is connected with a top plate, one side of the upper end of the top plate is connected with a motor, the other side of the upper end of the top plate is connected with a fixed block, the output end of the motor is in driving connection with a rotating shaft, one end of the rotating shaft is connected with a threaded rod, one end of the threaded rod is rotatably connected with the fixed block, the threaded rod is connected with a threaded pipe, the top plate, the bottom of second couple is located in the water bath mechanism, set up flutedly on the second couple, the recess in-connection has pressure sensor, the upper end of roof is connected with the mount, be connected with the scale on the mount, the scale with the threaded rod is located same one side, be connected with the supporting shoe on the screwed pipe, the upper end of supporting shoe is connected with the pointer, be connected with the third fixed plate in the supporting shoe, be connected with the controller on the third fixed plate.
Preferably, the supporting plate and the foot are of an integral structure.
Preferably, the water bath mechanism includes fixed frame, fixed frame connects the backup pad, first couple is located in the fixed frame, one side intercommunication of fixed frame has the drain pipe, be connected with the valve on the drain pipe, the fixed frame in-connection has temperature sensor, the fixed frame in-connection has the board that generates heat.
Preferably, the top plate is parallel to the support plate.
Preferably, the fixing frame comprises a second fixing plate, the second fixing plate is connected with the top plate, a fixing frame is connected to the second fixing plate, and the fixing frame is connected with the graduated scale.
Preferably, the centers of the first hook and the second hook are located on the same horizontal plane.
Preferably, one side of the lower surface of the top plate, which is far away from the first fixing plate, is connected with a slide rail frame, and the slide rail frame is slidably connected with a baffle.
Preferably, one side of the baffle, which is far away from the fixed frame, is connected with a handle, and the handle is provided with anti-skid grains.
The invention also provides a detection method of the special performance detector for the asphalt, which comprises the following steps:
s1: manufacturing an asphalt sample into an 8-shaped standard test mold, hanging the test mold on a first hook and a second hook, and contacting the asphalt sample with a pressure sensor;
s2: the controller controls the water in the water bath mechanism to be raised to 25 ℃, and the asphalt sample is immersed in the water bath mechanism;
s3: the controller controls the motor to start, the threaded rod is driven to rotate at a low speed through the rotating shaft, so that the second hook pulls the asphalt sample, the graduated scale measures the displacement of the movement of the threaded pipe, and the pressure sensor detects the tensile force applied to the asphalt sample;
s4: after the asphalt sample breaks, pressure sensor pressure shock changes, with signal transmission to controller, and the controller receives control motor auto-lock behind the signal of pressure sensor transmission, through the displacement that the screwed pipe that maximum pressure that pressure sensor detected and scale detected removed to know the tensile properties of asphalt.
The special performance detector for the asphalt and the detection method thereof have the advantages that:
drive the threaded rod low-speed rotation through the pivot, the displacement that the screwed pipe removed is measured to the scale, the pressure that pressure sensor detected lasts the increase, after the biggest back pitch sample fracture is reachd, pressure sensor pressure shock, with signal transmission to controller, the controller receives control motor auto-lock behind the signal of pressure sensor transmission, the displacement that the screwed pipe that the maximum pressure that detects through pressure sensor and scale detected removed, thereby know the tensile properties of pitch, tensile properties detects the accuracy height.
Drawings
FIG. 1 is a first structural schematic diagram of a special asphalt performance detector and a detection method thereof according to the present invention;
FIG. 2 is a structural schematic diagram II of a special asphalt performance detector and a detection method thereof provided by the invention;
FIG. 3 is a schematic view of a connection structure between a top plate and a fixing frame in the performance testing apparatus for asphalt and the testing method thereof according to the present invention;
fig. 4 is a schematic structural diagram of a second hook in the performance detector and the detection method for asphalt according to the present invention.
In the figure: the device comprises a supporting plate 1, a bottom foot 2, a fixed frame 3, a water discharge pipe 4, a valve 5, a temperature sensor 6, a heating plate 7, a first hook 8, a first fixed plate 9, a top plate 10, a motor 11, a rotating shaft 12, a threaded rod 13, a fixed block 14, a threaded pipe 15, a movable groove 16, a second hook 17, a groove 18, a pressure sensor 19, a second fixed plate 20, a fixed frame 21, a graduated scale 22, a supporting block 23, a pointer 24, a third fixed plate 25, a controller 26, a slide rail frame 27, a baffle 28 and a handle 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-4, a special performance detector for asphalt comprises a supporting plate 1, wherein two sides of the bottom end of the supporting plate 1 are respectively connected with a footing 2, the footing 2 is used for fixing the supporting plate 1, the supporting plate 1 and the footing 2 are of an integral structure, the upper surface of the supporting plate 1 is connected with a water bath mechanism, the water bath mechanism is used for performing water immersion treatment on the asphalt to be stretched and detected, the upper surface of the supporting plate 1 is connected with a first hook 8, the first hook 8 is used for hooking the asphalt, the first hook 8 is positioned in the water bath mechanism, the upper surface of the supporting plate 1 is connected with a fixing plate 9, the upper end of the first fixing plate 9 is connected with a top plate 10, the top plate 10 is used for supporting a motor 11, the top plate 10 is parallel to the supporting plate 1, one side of the upper end of the top plate 10 is connected with a motor 11, fixed block 14's effect is connecting threaded rod 13, and the output drive of motor 11 is connected with pivot 12, and the effect of pivot 12 is driving threaded rod 13 and rotates, and the one end of pivot 12 is connected with threaded rod 13, the rotatable fixed block 14 of connecting of one end of threaded rod 13 is connected with screwed pipe 15 on the threaded rod 13, and the effect of screwed pipe 15 is driving second couple 17 and removes tensile pitch.
The top plate 10 is provided with a movable groove 16, the bottom end of the threaded rod 13 is connected with a second hook 17, the centers of the first hook 8 and the second hook 17 are positioned on the same horizontal plane, the second hook 17 passes through the movable groove 16, the bottom end of the second hook 17 is positioned in the water bath mechanism, the second hook 17 is provided with a groove 18, the groove 18 is connected with a pressure sensor 19, the pressure sensor 19 is used for detecting the tensile force applied to the asphalt, the upper end of the top plate 10 is connected with a fixed frame, the fixed frame is used for fixing a graduated scale 22, the fixed frame is connected with the graduated scale 22, the graduated scale 22 is used for measuring the displacement of the movement of the threaded pipe 15, the graduated scale 22 and the threaded rod 13 are positioned on the same side, the fixed frame comprises a second fixed plate 20, the second fixed plate 20 is connected with the top plate 10, the second fixed plate 20 is connected with a, the supporting block 23 is used for fixing the pointer 24, the pointer 24 is connected to the upper end of the supporting block 23, the pointer 24 is used for indicating the displacement of the threaded pipe 15 moving in the horizontal direction, the supporting plate 1 is connected with a third fixing plate 25, and the third fixing plate 25 is connected with a controller 26.
The working process is as follows: an asphalt sample is made into an 8-shaped standard test mould and is hung on a first hook 8 and a second hook 17, the asphalt sample is contacted with a pressure sensor 19 to lift the water in a water bath mechanism to 25 ℃, the asphalt sample is immersed in the water bath mechanism, a controller 26 controls a motor 11 to be started, a threaded rod 13 is driven to rotate at a low speed through a rotating shaft 12, so that the second hook 17 pulls the asphalt sample, the graduated scale 22 measures the displacement of the movement of the threaded pipe 15 when the asphalt sample is stretched, the pressure detected by the pressure sensor 19 continuously increases, and after the asphalt sample is broken after the pressure reaches the maximum value, the pressure of the pressure sensor 19 suddenly changes, the signal is transmitted to the controller 26, the controller 26 receives the signal transmitted by the pressure sensor 19 and then controls the motor 11 to self-lock, the maximum pressure detected by the pressure sensor 19 and the displacement of the movement of the threaded pipe 15 detected by the scale 22 are used to know the tensile properties of the asphalt.
The invention also provides a detection method of the special performance detector for the asphalt, which comprises the following steps:
s1: manufacturing an asphalt sample into an 8-shaped standard test mold, hanging the test mold on a first hook and a second hook, and contacting the asphalt sample with a pressure sensor;
s2: the controller controls the water in the water bath mechanism to be raised to 25 ℃, and the asphalt sample is immersed in the water bath mechanism;
s3: the controller controls the motor to start, the threaded rod is driven to rotate at a low speed through the rotating shaft, so that the second hook pulls the asphalt sample, the graduated scale measures the displacement of the movement of the threaded pipe, and the pressure sensor detects the tensile force applied to the asphalt sample;
s4: after the asphalt sample breaks, pressure sensor pressure shock changes, with signal transmission to controller, and the controller receives control motor auto-lock behind the signal of pressure sensor transmission, through the displacement that the screwed pipe that maximum pressure that pressure sensor detected and scale detected removed to know the tensile properties of asphalt.
Example 2
Referring to fig. 1-4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the water bath mechanism includes a fixed frame 3, the fixed frame 3 is connected to a support plate 1, a first hook 8 is located in the fixed frame 3, one side of the fixed frame 3 is communicated with a drain pipe 4, the drain pipe 4 is connected to a valve 5, a temperature sensor 6 is connected in the fixed frame 3, the temperature sensor 6 is used for detecting the temperature of the water in the fixed frame 3, so that the temperature of the water is kept at 25 degrees, a heating plate 7 is connected in the fixed frame 3, and the heating plate 7 is used for increasing the temperature of the water.
Example 3
Referring to fig. 1-4, as another preferred embodiment of the present invention, on the basis of embodiment 1, a slide rail frame 27 is connected to a side of the lower surface of the top plate 10 away from the first fixing plate 9, the slide rail frame 27 is used for connecting a baffle 28, the baffle 28 is slidably connected to the slide rail frame 27, the baffle 28 is used for shielding water droplets splashed out of the water bath mechanism during the detection process, a handle 29 is connected to a side of the baffle 28 away from the fixing frame 3, the handle 29 is used for facilitating movement of the baffle 28, and the handle 29 is provided with anti-slip patterns.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The utility model provides a pitch special performance detector, includes backup pad (1), its characterized in that, the bottom both sides of backup pad (1) all are connected with footing (2), the upper surface of backup pad (1) is connected with water bath mechanism, the upper surface of backup pad (1) is connected with first couple (8), first couple (8) are located in the water bath mechanism, the upper surface of backup pad (1) is connected with a fixed plate (9), the upper end of first fixed plate (9) is connected with roof (10), upper end one side of roof (10) is connected with motor (11), the upper end opposite side of roof (10) is connected with fixed block (14), the output drive of motor (11) is connected with pivot (12), the one end of pivot (12) is connected with threaded rod (13), the rotatable connection of one end of threaded rod (13) fixed block (14), the threaded rod (13) is connected with a threaded pipe (15), the top plate (10) is provided with a movable groove (16), the bottom end of the threaded rod (13) is connected with a second hook (17), the second hook (17) passes through the movable groove (16), the bottom end of the second hook (17) is positioned in the water bath mechanism, a groove (18) is arranged on the second hook (17), a pressure sensor (19) is connected in the groove (18), the upper end of the top plate (10) is connected with a fixed frame, the fixed frame is connected with a graduated scale (22), the graduated scale (22) and the threaded rod (13) are positioned on the same side, the threaded pipe (15) is connected with a supporting block (23), the upper end of the supporting block (23) is connected with a pointer (24), the supporting plate (1) is connected with a third fixing plate (25), and the third fixing plate (25) is connected with a controller (26).
2. The special asphalt performance detector according to claim 1, wherein the supporting plate (1) and the footing (2) are of an integral structure.
3. The special performance detector for asphalt according to claim 1, wherein the water bath mechanism comprises a fixed frame (3), the fixed frame (3) is connected with the support plate (1), the first hook (8) is located in the fixed frame (3), one side of the fixed frame (3) is communicated with a drain pipe (4), the drain pipe (4) is connected with a valve (5), the fixed frame (3) is connected with a temperature sensor (6), and the fixed frame (3) is connected with a heating plate (7).
4. An asphalt-specific property detector according to claim 1, wherein the top plate (10) is parallel to the supporting plate (1).
5. The special performance testing instrument for asphalt according to claim 1, wherein the fixing frame comprises a second fixing plate (20), the second fixing plate (20) is connected with the top plate (10), a fixing frame (21) is connected to the second fixing plate (20), and the fixing frame (21) is connected with the graduated scale (22).
6. The special asphalt performance detector according to claim 1, wherein the centers of the first hook (8) and the second hook (17) are located on the same horizontal plane.
7. The special asphalt performance detector according to claim 1, wherein a slide rail frame (27) is connected to a side of the lower surface of the top plate (10) away from the first fixing plate (9), and a baffle (28) is slidably connected to the slide rail frame (27).
8. The special performance detector for asphalt according to claim 7, wherein a handle (29) is connected to one side of the baffle (28) away from the fixed frame (3), and the handle (29) is provided with anti-skid lines.
9. The detection method of the special asphalt performance detector according to one of claims 1 to 8, characterized by comprising the following steps:
s1: manufacturing an asphalt sample into an 8-shaped standard test mold, hanging the test mold on a first hook and a second hook, and contacting the asphalt sample with a pressure sensor;
s2: the controller controls the water in the water bath mechanism to be raised to 25 ℃, and the asphalt sample is immersed in the water bath mechanism;
s3: the controller controls the motor to start, the threaded rod is driven to rotate at a low speed through the rotating shaft, so that the second hook pulls the asphalt sample, the graduated scale measures the displacement of the movement of the threaded pipe, and the pressure sensor detects the tensile force applied to the asphalt sample;
s4: after the asphalt sample breaks, pressure sensor pressure shock changes, with signal transmission to controller, and the controller receives control motor auto-lock behind the signal of pressure sensor transmission, through the displacement that the screwed pipe that maximum pressure that pressure sensor detected and scale detected removed to know the tensile properties of asphalt.
CN202010778414.2A 2020-08-05 2020-08-05 Performance detector special for asphalt and detection method thereof Pending CN112146977A (en)

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Application Number Priority Date Filing Date Title
CN202010778414.2A CN112146977A (en) 2020-08-05 2020-08-05 Performance detector special for asphalt and detection method thereof

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Application Number Priority Date Filing Date Title
CN202010778414.2A CN112146977A (en) 2020-08-05 2020-08-05 Performance detector special for asphalt and detection method thereof

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Publication Number Publication Date
CN112146977A true CN112146977A (en) 2020-12-29

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05306980A (en) * 1992-04-30 1993-11-19 Japan Energy Corp Toughness and tenacity testing machine
US20100005898A1 (en) * 2008-07-09 2010-01-14 Ali Regimand System and method for conditioning and detection of moisture damage in asphalt mixes
CN202735168U (en) * 2012-07-18 2013-02-13 江阴泰富沥青有限公司 Asphalt capacity testing instrument
CN205580894U (en) * 2016-04-06 2016-09-14 浙江交科工程检测有限公司 Bitumen ductility appearance
CN206223552U (en) * 2016-12-02 2017-06-06 甘肃信尔达工程试验检测有限公司 A kind of pitch ductility analyzer simple to operate
CN107664599A (en) * 2017-07-03 2018-02-06 交通运输部公路科学研究所 The method and apparatus judged for pitch tension failure
CN207730576U (en) * 2017-11-30 2018-08-14 成都菲斯普科技有限公司 Build concrete crush test machine
CN109556963A (en) * 2019-01-24 2019-04-02 西安市亚星土木仪器有限公司 Pitch tension failure toughness tester
CN209485867U (en) * 2019-01-28 2019-10-11 上海时申工贸有限公司 A kind of pitch ductility tester being convenient to clean
CN210180840U (en) * 2019-06-11 2020-03-24 无锡市石油仪器设备有限公司 Full-automatic asphalt ductility tester

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05306980A (en) * 1992-04-30 1993-11-19 Japan Energy Corp Toughness and tenacity testing machine
US20100005898A1 (en) * 2008-07-09 2010-01-14 Ali Regimand System and method for conditioning and detection of moisture damage in asphalt mixes
CN202735168U (en) * 2012-07-18 2013-02-13 江阴泰富沥青有限公司 Asphalt capacity testing instrument
CN205580894U (en) * 2016-04-06 2016-09-14 浙江交科工程检测有限公司 Bitumen ductility appearance
CN206223552U (en) * 2016-12-02 2017-06-06 甘肃信尔达工程试验检测有限公司 A kind of pitch ductility analyzer simple to operate
CN107664599A (en) * 2017-07-03 2018-02-06 交通运输部公路科学研究所 The method and apparatus judged for pitch tension failure
CN207730576U (en) * 2017-11-30 2018-08-14 成都菲斯普科技有限公司 Build concrete crush test machine
CN109556963A (en) * 2019-01-24 2019-04-02 西安市亚星土木仪器有限公司 Pitch tension failure toughness tester
CN209485867U (en) * 2019-01-28 2019-10-11 上海时申工贸有限公司 A kind of pitch ductility tester being convenient to clean
CN210180840U (en) * 2019-06-11 2020-03-24 无锡市石油仪器设备有限公司 Full-automatic asphalt ductility tester

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Inventor after: Lin Haicheng

Inventor after: Wei Guangwei

Inventor after: Wang Ming

Inventor before: Wei Guangwei

Inventor before: Li Ke

Inventor before: Wang Ming

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Application publication date: 20201229