CN211576791U - Asphalt pavement simulation life detection device - Google Patents

Asphalt pavement simulation life detection device Download PDF

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Publication number
CN211576791U
CN211576791U CN201922174800.6U CN201922174800U CN211576791U CN 211576791 U CN211576791 U CN 211576791U CN 201922174800 U CN201922174800 U CN 201922174800U CN 211576791 U CN211576791 U CN 211576791U
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asphalt
sides
detection device
movable frame
alarm device
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CN201922174800.6U
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Chinese (zh)
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刘益香
曾思婕
刘超联
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Guangzhou Communication Investment Engineering Inspection Co ltd
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Guangzhou Communication Investment Engineering Inspection Co ltd
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Abstract

The utility model relates to a road detection equipment technical field especially relates to a bituminous paving simulation life-span detection device, including mounting bracket and heating base, install the pitch loading board on the heating base, be equipped with adjustable shelf and hydraulic means on the mounting bracket, hydraulic means is equipped with the hydraulic pressure table, and the top of adjustable shelf is connected perpendicularly to hydraulic means's piston rod, and the activity is equipped with horizontal installation's cylinder between adjustable shelf and the pitch loading board, and the both ends of cylinder are equipped with the pivot, and the pivot movable mounting at both ends is in on the adjustable shelf, be equipped with the laser torch and the light sense alarm device that can the vertical lift on the mounting bracket, the laser torch corresponds each other with the light sense alarm device and the branch occupies in the both sides of pitch loading board, is equipped with motor and speed reducer on the adjustable shelf, and the both. The utility model discloses can carry out the life-span simulation to the bituminous mixture sample before laying the bituminous paving and detect, can select the better bituminous mixture sample of life more directly perceivedly.

Description

Asphalt pavement simulation life detection device
Technical Field
The utility model relates to a road detection equipment technical field especially relates to a bituminous paving simulation life-span detection device.
Background
The asphalt mixture is a main material for paving roads in China at present, the asphalt mixture is a general name of a mixture formed by mixing mineral aggregate and asphalt binder, asphalt mixture samples are prepared according to various mixing ratios before paving the asphalt roads, various detection instruments are often required to detect and test the mixture in the preparation process, the asphalt mixture samples with the best quality are screened out for subsequent pavement paving, the detection equipment in the prior art is various, the detection equipment is used for separately detecting the asphalt mixture samples according to a specific certain performance index, namely, each detection equipment only detects a certain performance index of the asphalt mixture samples, a plurality of performance indexes of the asphalt materials are detected through various equipment, and then the asphalt mixture samples are screened according to the performance indexes. After the asphalt mixture sample is screened out according to the detection mode, the worker can perform production according to the performance index of the asphalt mixture sample, and directly take the finished product of the mixture sample to perform subsequent road paving. In the detection link, sample screening is usually performed only on the basis of various performance indexes, the detection process lacks intuition, a simulation life test for the mixture sample is lacked, and the service life test for the asphalt mixture sample laid on the road surface is simulated.
SUMMERY OF THE UTILITY MODEL
For remedying the not enough of above-mentioned prior art, the utility model discloses a bituminous paving simulation life-span detection device can carry out simulation life-span to the bituminous mixture sample before laying the bituminous paving and detect, can select the better bituminous mixture sample of life more directly perceivedly.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a device for detecting the simulated service life of an asphalt pavement comprises a mounting rack, a heating base is arranged at the bottom of the mounting rack, the heating base is detachably provided with an asphalt bearing plate, the mounting frame is provided with a movable frame and a hydraulic device, the hydraulic device is provided with a hydraulic gauge, a piston rod of the hydraulic device is vertically connected with the top of the movable frame, a horizontally arranged roller is movably arranged between the movable frame and the asphalt bearing plate, two ends of the roller are provided with rotating shafts, the rotating shafts at the two ends are movably arranged on the movable frame, the mounting frame is provided with a laser flashlight and a light sensation alarm device which can vertically lift, the laser torch and the light sensation alarm device are mutually corresponding and are respectively arranged at the two sides of the asphalt bearing plate, the movable frame is provided with a motor and a speed reducer, and two ends of the speed reducer are respectively in transmission connection with the motor and a rotating shaft at one end of the roller.
The asphalt mixture sample can be laid on the asphalt bearing plate, so that the real asphalt pavement can be simulated conveniently, and because the asphalt bearing plate is detachably arranged on the heating base, a plurality of asphalt mixture samples can be detected on the same detection device, and the asphalt mixture samples laid on the asphalt bearing plate are subjected to heating treatment by the heating base, so that the asphalt pavement under the condition of high-temperature weather can be simulated. Because horizontally arranged's cylinder passes through the pivot movable mounting at both ends on the adjustable shelf to the adjustable shelf is connected in hydraulic means's piston rod, therefore hydraulic means can drive adjustable shelf and cylinder through the piston rod and move down, lets the cylinder carry out the rotary friction by motor drive down on the bituminous mixture sample surface on the pitch loading board, at the in-process of rotary friction, hydraulic means can last to exert certain holding down force through the cylinder to the bituminous mixture sample surface on the pitch loading board, and the size of holding down force sets up in advance through hydraulic means and passes through the hydraulic pressure gauge obtains directly perceivedly the numerical value of holding down force can further press close to the condition on real road surface, utilizes the holding down force that hydraulic means lasted to exert to simulate the holding down force of different vehicle weight to bituminous paving, thereby make the detection more press close to actual conditions.
The laser torch and the light sensation alarm device correspond to each other and are respectively arranged on two sides of the asphalt bearing plate, the laser torch and the light sensation alarm device are devices in the prior art, and when the light of the laser torch irradiates the light sensation alarm device, the light sensation alarm device can send out a prompt signal. Before detection, firstly presetting the working time of a motor and the downward pressure of a roller on an asphalt mixture sample through a hydraulic device, presetting the depths of a laser flashlight and a light sensation alarm device corresponding to two sides of the asphalt mixture sample, then starting the motor to drive the roller to rotate and rub the asphalt mixture sample on an asphalt bearing plate, gradually abrading the asphalt mixture sample under the rotating and rubbing action of the roller, stopping the roller from rotating after the preset rotating time of the motor is over, controlling a movable frame and the roller to move upwards through the hydraulic device, and irradiating the light of the laser flashlight to the light sensation alarm device to cause the light sensation alarm device to send a prompt signal if the abraded depth of the asphalt mixture sample is lower than the preset depths of the laser flashlight and the light sensation alarm device, so that the detected asphalt mixture sample does not reach the standard; similarly, if the abrasion depth of the asphalt mixture sample is not lower than the preset depth of the laser flashlight and the light sensation alarm device, the light sensation alarm device cannot send out a prompt signal to indicate that the detected asphalt mixture sample reaches the standard, and the subsequent road surface laying link can be considered to be used. The detection process is efficient and visual, the simulation life detection can be carried out on the asphalt mixture sample before the asphalt pavement is paved, and the asphalt mixture sample with longer service life can be screened out more visually.
Furthermore, the two sides of the movable frame respectively extend downwards to form connecting plates, the connecting plates on the two sides are respectively provided with a bearing, and rotating shafts at the two ends of the roller are respectively arranged on the bearings. Thereby enabling the roller to rotate on the movable frame.
Furthermore, a power switch and a timing circuit which are electrically connected with each other are arranged on the movable frame, the power switch is electrically connected with the power input end of the motor, and the timing circuit can control the power-on and power-off of the power switch. Therefore, the rotation time of the motor can be controlled and preset through a timing circuit in the prior art, so that the rotation friction time of the roller on the surface of the asphalt mixture sample is controlled.
Further, a mounting groove is formed in the heating base, a heating aluminum plate is arranged in the mounting groove, the heating aluminum plate generates heat through an external power supply, and the asphalt bearing plate is installed in the mounting groove in a matched mode. The asphalt mixture sample on the asphalt carrier plate can be subjected to a heat treatment in the mounting groove.
Furthermore, a water tank is arranged at the top of the mounting frame, a plurality of water outlet holes are formed in the movable frame, and the water outlet holes are communicated with the water tank through hoses. Can add water to the water tank in the past during the detection, let the water flow to the bituminous mixture sample through the water hole on, bituminous paving's environment when the simulation is rainy detects the life of bituminous mixture sample under the humid environment, lets detection achievement press close to actual conditions more.
Furthermore, both sides of the mounting rack are respectively and movably provided with a screw, both sides of the asphalt bearing plate are respectively provided with a screw hole, and the screw is respectively in threaded connection with the screw holes. The asphalt bearing sheet can be more stably fixed.
Furthermore, lifting frames are respectively arranged on two sides of the mounting frame, the lifting frames are movably mounted on the mounting frame through adjusting screw rods, and the laser flashlight and the light sensation alarm device are respectively mounted on the lifting frames on the two sides. Therefore, the laser torch and the light sensation alarm device can be controlled to vertically lift through rotating the adjusting screw, and the depth of the laser torch and the depth of the light sensation alarm device corresponding to the two sides of the asphalt mixture sample are convenient to preset.
The utility model has the advantages that:
the asphalt mixture sample can be laid on the asphalt bearing plate, so that the real asphalt pavement can be simulated conveniently, and because the asphalt bearing plate is detachably arranged on the heating base, a plurality of asphalt mixture samples can be detected on the same detection device, and the asphalt mixture samples laid on the asphalt bearing plate are subjected to heating treatment by the heating base, so that the asphalt pavement under the condition of high-temperature weather can be simulated. Because horizontally arranged's cylinder passes through the pivot movable mounting at both ends on the adjustable shelf to the adjustable shelf is connected in hydraulic means's piston rod, therefore hydraulic means can drive adjustable shelf and cylinder through the piston rod and move down, lets the cylinder carry out the rotary friction by motor drive down on the bituminous mixture sample surface on the pitch loading board, at the in-process of rotary friction, hydraulic means can last to exert certain holding down force through the cylinder to the bituminous mixture sample surface on the pitch loading board, and the size of holding down force sets up in advance through hydraulic means and passes through the hydraulic pressure gauge obtains directly perceivedly the numerical value of holding down force can further press close to the condition on real road surface, utilizes the holding down force that hydraulic means lasted to exert to simulate the holding down force of different vehicle weight to bituminous paving, thereby make the detection more press close to actual conditions.
The laser torch and the light sensation alarm device correspond to each other and are respectively arranged on two sides of the asphalt bearing plate, the laser torch and the light sensation alarm device are devices in the prior art, and when the light of the laser torch irradiates the light sensation alarm device, the light sensation alarm device can send out a prompt signal. Before detection, firstly presetting the working time of a motor and the downward pressure of a roller on an asphalt mixture sample through a hydraulic device, presetting the depths of a laser flashlight and a light sensation alarm device corresponding to two sides of the asphalt mixture sample, then starting the motor to drive the roller to rotate and rub the asphalt mixture sample on an asphalt bearing plate, gradually abrading the asphalt mixture sample under the rotating and rubbing action of the roller, stopping the roller from rotating after the preset rotating time of the motor is over, controlling a movable frame and the roller to move upwards through the hydraulic device, and irradiating the light of the laser flashlight to the light sensation alarm device to cause the light sensation alarm device to send a prompt signal if the abraded depth of the asphalt mixture sample is lower than the preset depths of the laser flashlight and the light sensation alarm device, so that the detected asphalt mixture sample does not reach the standard; similarly, if the abrasion depth of the asphalt mixture sample is not lower than the preset depth of the laser flashlight and the light sensation alarm device, the light sensation alarm device cannot send out a prompt signal to indicate that the detected asphalt mixture sample reaches the standard, and the subsequent road surface laying link can be considered to be used. The detection process is efficient and visual, the simulation life detection can be carried out on the asphalt mixture sample before the asphalt pavement is paved, and the asphalt mixture sample with the best service life can be screened out more visually.
Drawings
Fig. 1 is a schematic sectional view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view of the overall structure of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and schematic or simplified schematic drawings only, not for the purpose of limiting the same, and not for the purpose of limiting the same; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Furthermore, if terms such as "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, it will be apparent to those of ordinary skill in the art that the specific meanings of the above terms may be understood according to particular circumstances.
As shown in fig. 1, a bituminous paving simulation life detection device, including mounting bracket 100, the bottom fixed mounting of mounting bracket 100 has heating base 200, detachably installs pitch loading board 300 on heating base 200, mounting groove 201 has been seted up on heating base 200, install the aluminum plate 203 that generates heat in mounting groove 201, the aluminum plate 203 that generates heat produces heat through external power supply, the cooperation of pitch loading board 300 is installed in mounting groove 201, in addition, mounting bracket 100's both sides movable mounting has screw rod 103 respectively, screw 104 has been seted up respectively to pitch loading board 300's both sides, screw rod 103 respectively with screw 104 threaded connection, consequently can fix pitch loading board 300 more stably. Install adjustable shelf 400 and hydraulic means 500 on the mounting bracket 100, hydraulic means 500 installs hydraulic pressure table 502, the top of adjustable shelf 400 is connected perpendicularly to hydraulic means 500's piston rod 501, movable mounting has horizontally mounted's cylinder 600 between adjustable shelf 400 and the pitch loading board 300, the both ends of cylinder 600 are equipped with pivot 601, downwardly extending has connecting plate 403 respectively in the left and right sides of adjustable shelf 400, bearing 404 is installed respectively to the connecting plate 403 of both sides, the pivot 601 at cylinder 600 both ends is installed respectively on bearing 404, consequently, can let cylinder 600 rotate on adjustable shelf 400. The laser flashlight 700 and the light sensation alarm device 701 which can vertically lift are installed on the installation rack 100, the laser flashlight 700 and the light sensation alarm device 701 correspond to each other and are respectively arranged on two sides of the asphalt bearing plate 300, specifically, the lifting frames 105 are respectively installed on two sides of the installation rack 100, the lifting frames 105 are movably installed on the installation rack 100 through adjusting screws (not shown in the figure), the laser flashlight 700 and the light sensation alarm device 701 are respectively installed on the lifting frames 105 on the left side and the right side, and therefore the laser flashlight 700 and the light sensation alarm device 701 can be controlled to vertically lift through rotating the adjusting screws. The movable frame 400 is provided with a motor 401 and a speed reducer 402, and two ends of the speed reducer 402 are respectively connected with a rotating shaft 601 at one end of the motor 401 and one end of the roller 600 in a transmission manner. The movable frame 400 is further provided with a power switch (not shown) and a timing circuit (not shown) electrically connected to each other, the power switch is electrically connected to the power input end of the motor 401, and the timing circuit can control the power on and off of the power switch. The rotation time of the motor 401 can be controlled and preset by a timing circuit of the prior art, thereby controlling the length of time that the roller 600 is rotated and rubbed on the surface of the asphalt mixture sample.
The bituminous mixture sample can be laid on bituminous loading board 300, is convenient for simulate real bituminous paving, because bituminous loading board 300 detachably installs on heating base 200, consequently can detect a plurality of bituminous mixture samples at same platform detection device to aluminium plate 203 that generates heat through mounting groove 201 in heating base 200 carries out heat treatment, bituminous paving under the simulation high temperature weather condition to the bituminous mixture sample. Hydraulic means 500 can drive adjustable shelf 400 and cylinder 600 through piston rod 501 and move down, lets cylinder 600 carry out the rotational friction by motor 401 drive down on the bituminous mixture sample surface on bituminous loading board 300, and at the in-process of rotational friction, hydraulic means 500 can continuously exert certain holding down force to the bituminous mixture sample surface on bituminous loading board 300 through cylinder 600, and the size of holding down force sets up in advance and obtains directly perceivedly through hydraulic pressure gauge 502 through hydraulic means 500 the numerical value of holding down force can further press close to the condition on real road surface, utilizes hydraulic means 500 to continuously exert holding down force ability simulation different vehicle weight to bituminous pavement's holding down force to make the detection more press close to actual conditions.
When detection is carried out, the rotation time of the motor 401 is preset through a timing circuit in the prior art, the downward pressure of the roller 600 on an asphalt mixture sample is preset through the hydraulic device 500, the vertical lifting of the laser flashlight 700 and the light sensation alarm device 701 is controlled through rotating the adjusting screw 106, and the depths of the laser flashlight 700 and the light sensation alarm device 701 on the two sides of the asphalt mixture sample are preset. Then, the motor 401 is started to drive the roller 600 to rotate to rub the asphalt mixture sample on the asphalt bearing plate 300, the asphalt mixture sample is gradually abraded under the rotating friction action of the roller 600, after the preset rotating time of the motor 401 is over, the roller 600 stops rotating, the movable frame 400 and the roller 600 are controlled to move upwards through the hydraulic device 500, and at the moment, if the abrasion depth of the asphalt mixture sample is lower than the preset depth of the laser flashlight 700 and the light sensation alarm device 701, the light of the laser flashlight 700 irradiates the light sensation alarm device 701, so that the light sensation alarm device 701 sends out a prompt signal, and the detected asphalt mixture sample does not reach the standard; similarly, if the depth of abrasion of the asphalt mixture sample is not less than the preset depth of the laser torch 700 and the light sensation alarm device 701, the light of the laser torch 700 is blocked by the asphalt mixture sample and cannot irradiate the light sensation alarm device 701, the light sensation alarm device 701 cannot send out a prompt signal, the detected asphalt mixture sample is up to the standard, and the subsequent road surface laying link can be considered. The detection process is efficient and visual, the simulation life detection can be carried out on the asphalt mixture sample before the asphalt pavement is paved, and the asphalt mixture sample with longer service life can be screened out more visually.
As a further supplement and improvement to this embodiment, as shown in fig. 2, a water tank 101 is disposed on the top of the mounting frame 100, a plurality of water outlets 102 are disposed on the movable frame 400, and the water outlets 102 are connected to the water tank 101 through hoses (not shown). Can add water to water tank 101 in the past during the detection, let the water flow to the bituminous mixture sample through water hole 102 on, the environment of bituminous paving when the simulation is rainy detects the life of bituminous mixture sample under the humid environment, lets detection achievement press close to actual conditions more.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (7)

1. The asphalt pavement simulated life detection device is characterized by comprising a mounting frame (100), wherein a heating base (200) is arranged at the bottom of the mounting frame (100), an asphalt bearing plate (300) is detachably mounted on the heating base (200), a movable frame (400) and a hydraulic device (500) are arranged on the mounting frame (100), the hydraulic device (500) is provided with a hydraulic gauge (502), a piston rod (501) of the hydraulic device (500) is vertically connected with the top of the movable frame (400), a horizontally-mounted roller (600) is movably arranged between the movable frame (400) and the asphalt bearing plate (300), rotating shafts (601) are arranged at two ends of the roller (600), the rotating shafts (601) at the two ends are movably mounted on the movable frame (400), and a laser flashlight (700) and a light sensation alarm device (701) which can vertically lift are arranged on the mounting frame (100), the laser flashlight (700) and the light sensation alarm device (701) correspond to each other and are respectively arranged on two sides of the asphalt bearing plate (300), the movable frame (400) is provided with a motor (401) and a speed reducer (402), and two ends of the speed reducer (402) are respectively in transmission connection with the motor (401) and a rotating shaft (601) at one end of the roller (600).
2. The asphalt pavement simulation life detection device according to claim 1, wherein two sides of the movable frame (400) are respectively extended downwards to form connecting plates (403), the connecting plates (403) on the two sides are respectively provided with a bearing (404), and rotating shafts (601) at two ends of the roller (600) are respectively installed on the bearings (404).
3. The asphalt pavement simulation life detection device according to claim 2, wherein the movable frame (400) is provided with a power switch and a timing circuit, the power switch and the timing circuit are electrically connected with each other, the power switch is electrically connected to a power input end of the motor (401), and the timing circuit can control the power switch to be powered on and powered off.
4. The asphalt pavement simulation life detection device according to claim 3, wherein a mounting groove (201) is formed in the heating base (200), a heating aluminum plate (203) is arranged in the mounting groove (201), the heating aluminum plate (203) generates heat through an external power supply, and the asphalt bearing plate (300) is fittingly mounted in the mounting groove (201).
5. The asphalt pavement simulated life detection device according to claim 4, wherein a water tank (101) is arranged at the top of the mounting frame (100), a plurality of water outlet holes (102) are arranged on the movable frame (400), and the water outlet holes (102) are communicated with the water tank (101) through hoses.
6. The asphalt pavement simulation life detection device according to claim 5, wherein two sides of the mounting rack (100) are respectively movably provided with a screw (103), two sides of the asphalt bearing plate (300) are respectively provided with a screw hole (104), and the screws (103) are respectively in threaded connection with the screw holes (104).
7. The asphalt pavement simulated life detection device as claimed in claim 6, wherein two sides of the mounting rack (100) are respectively provided with a lifting frame (105), the lifting frames (105) are movably mounted on the mounting rack (100) through adjusting screw rods, and the laser torch (700) and the light sensation alarm device (701) are respectively mounted on the lifting frames (105) at the two sides.
CN201922174800.6U 2019-12-07 2019-12-07 Asphalt pavement simulation life detection device Active CN211576791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922174800.6U CN211576791U (en) 2019-12-07 2019-12-07 Asphalt pavement simulation life detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922174800.6U CN211576791U (en) 2019-12-07 2019-12-07 Asphalt pavement simulation life detection device

Publications (1)

Publication Number Publication Date
CN211576791U true CN211576791U (en) 2020-09-25

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Application Number Title Priority Date Filing Date
CN201922174800.6U Active CN211576791U (en) 2019-12-07 2019-12-07 Asphalt pavement simulation life detection device

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CN (1) CN211576791U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118500907A (en) * 2024-07-09 2024-08-16 天津路宏实验检测技术发展有限公司 Highway road surface compressive property high accuracy detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118500907A (en) * 2024-07-09 2024-08-16 天津路宏实验检测技术发展有限公司 Highway road surface compressive property high accuracy detection device
CN118500907B (en) * 2024-07-09 2024-10-01 天津路宏实验检测技术发展有限公司 Highway road surface compressive property high accuracy detection device

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