Asphalt material full-spectrum coupling aging device

By designing a full-spectrum coupled aging device for asphalt materials, using xenon lamps and nozzles to simulate light and rain erosion, and combining it with motor-driven rotating samples, the problems of inaccurate testing and resource waste in existing technologies have been solved, achieving a more comprehensive and efficient aging simulation.

CN223955407UActive Publication Date: 2026-02-27SOUTHWEST JIAOTONG UNIV
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Patent Information

Application Number
CN202520508850.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-27
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing technologies for indoor simulated asphalt material aging tests cannot fully simulate the effects of sunlight and rain erosion in the natural environment, resulting in inaccurate test results and wasted resources.

Method used

A full-spectrum coupled aging device for asphalt materials is designed. A xenon lamp simulates light and a spray nozzle reciprocates to simulate rain. The devices are alternately set up so that asphalt samples are exposed to light and spray environments alternately or simultaneously. A water pump is used to circulate water resources, and a motor drives the sample to rotate for uniform testing.

Benefits of technology

It enables a more comprehensive simulation of aging factors in the natural environment, improves the accuracy and reliability of the experiment, reduces water waste, and ensures the uniformity and reliability of the experimental results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an asphalt material full-spectrum coupling aging device, and belongs to the field of asphalt material detection. An asphalt material full-spectrum coupling aging device comprises a working box and further comprises a working cavity formed in the working box through separation of a partition plate, a nozzle is rotationally arranged on the partition plate, and a driving part is arranged on the working box and used for driving the nozzle to rotate in a reciprocating mode; the xenon lamps are fixedly connected to the partition plate, the xenon lamps and the sprayers are arranged in a staggered mode, a supporting assembly is arranged in the working cavity, and the working ends of the xenon lamps and the sprayers face the upper end of the supporting assembly; the xenon lamp can be used for simulating illumination, the spray head swings in a reciprocating mode to simulate rainwater, the combined action of light and water is achieved, asphalt can be eroded by illumination and rainwater at the same time in the actual environment, and the staggered arrangement enables asphalt samples to be alternately or simultaneously exposed in the illumination environment and the spraying environment. And aging factors in a natural environment can be more comprehensively simulated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bituminous material detection technical field especially relates to a bituminous material full spectrum coupling aging device. BACKGROUND

[0002] The bituminous pavement is exposed to the air, temperature, precipitation and sunlight radiation for a long time under environmental factors, which can affect the pavement machinery, fatigue and resilience performance, cause the pavement cracking and reduce the road service life.

[0003] In order to study the influence of different environmental factors on the performance of bitumen, the indoor simulation aging test is essential, and the detection is through the influence of the acceleration simulation natural environment on the bituminous material, aims at accelerating the aging process of bitumen, thereby obtaining the bitumen sample and relevant data after aging in a short time, compared with the natural aging of the outside world, the indoor aging test not only can greatly shorten the test period, but also can flexibly adjust the test condition according to the research demand, ensures that the test phenomenon and data are highly repeatable, therefore, a bituminous material full spectrum coupling aging device is urgently needed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem of the indoor simulation bituminous material aging test in the prior art and provides a bituminous material full spectrum coupling aging device.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A bituminous material full spectrum coupling aging device, including the work tank, still include: the work cavity formed in the work tank through the partition, wherein, the partition is rotationally arranged with the spray head, the work tank is provided with the drive part for driving the spray head reciprocating rotation, the xenon lamp is fixedly connected on the partition, wherein, the xenon lamp is staggered with the spray head, the work cavity is provided with the support assembly, and the working end of the xenon lamp and the spray head faces the upper end of the support assembly.

[0007] In order to facilitate the bituminous material to be placed, preferably, the support assembly includes square sample holder and circular sample holder, the support plate is detachably connected on the support, the square sample holder is arranged on the support plate, the work tank is rotationally connected with the pivot, and the circular sample holder is fixedly connected on the pivot.

[0008] In order to facilitate the rotation of the circular sample holder, further, the motor is fixedly connected in the work tank, and the pivot is fixedly connected on the output end of the motor.

[0009] In order to facilitate the recycling of internal water source, preferably, the working tank is provided with a water tank, a drain hole is formed in the bottom of the working cavity, the drain hole is communicated with the water tank through a pipeline, and a water pump is arranged on the working tank, the input end of the water pump is fixedly connected with the water tank through a pipeline, and the output end of the water pump is communicated with the spray head through a telescopic pipe.

[0010] In order to facilitate the reciprocating swing of the spray head, further, the driving part comprises a connecting shaft, the spray head is fixedly connected to the connecting shaft, a fixed plate is fixedly connected to the baffle, the connecting shaft is rotatably connected to the fixed plate, and a through hole is formed in the baffle, and the spray head is arranged in the through hole.

[0011] In order to facilitate the rotation of the connecting shaft, preferably, a mounting plate is fixedly connected to the inner wall of the working tank, a sliding groove is formed in the mounting plate, a sliding block is slidably connected to the sliding groove, a limiting plate is fixedly connected to the top of the spray head, a fixed table is fixedly connected to the baffle, a return spring is connected between the fixed table and the limiting plate, an extension rod is fixedly connected to the sliding block, and the extension rod cooperates with the limiting plate.

[0012] In order to facilitate the movement of the sliding block, preferably, a telescopic piece is arranged on the inner wall of the working tank, and the sliding block is fixedly connected to the output end of the telescopic piece.

[0013] In order to facilitate the heating of the gas in the working tank, preferably, a heater is arranged on the working tank, and the output end of the heater is communicated with the working cavity.

[0014] Compared with the prior art, the asphalt material full-spectrum coupling aging device has the following beneficial effects:

[0015] 1. The asphalt material full-spectrum coupling aging device simulates light by a xenon lamp, simulates rainwater by reciprocating swing of the spray head, realizes the joint action of light and water, and realizes the joint action of light and water.

[0016] 2. The asphalt material full-spectrum coupling aging device adds water into the water tank, opens the water pump, the water in the water tank is pressurized and delivered into the spray head, the spray head sprays water, simulates rainwater falling on the asphalt sample, and the excess water flows into the water tank through the pipeline on the drain hole for recycling, thereby reducing water resource waste.

[0017] 3. The asphalt material full spectrum coupling aging device, through the motor can drive the circular sample holder rotation, and then drive the asphalt material to rotate, can make the asphalt material evenly receives the light and the spray in the test process, avoid the error caused by the fixed position illumination uneven, ensure the accuracy and reliability of the test.

[0018] The parts not involved in the device are the same as or can be realized by the prior art, the utility model can utilize the xenon lamp simulation light, make the spray head reciprocating swing simulation rain, realize the joint action of light and water, the asphalt will be eroded by light and rain in the actual environment, staggered arrangement makes the asphalt sample can be alternately or simultaneously exposed in the light and the spray environment, more comprehensive simulation of the aging factors in the natural environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A kind of asphalt material full spectrum coupling aging device axial measurement structure schematic view is proposed for the utility model;

[0020] Figure 2 A kind of asphalt material full spectrum coupling aging device local structure schematic view is proposed for the utility model;

[0021] Figure 3 A kind of asphalt material full spectrum coupling aging device cut structure schematic Figure 1 ;

[0022] Figure 4 A kind of asphalt material full spectrum coupling aging device cut structure schematic Figure 2 .

[0023] In the drawing: 1, working tank;2, partition;3, through hole;4, spray head;5, xenon lamp;6, support;7, support plate;8, square sample holder;9, fixed plate;10, connecting shaft;11, fixed table;12, limit plate;13, reset spring;14, mounting plate;15, sliding slot;16, sliding block;17, extension rod;18, telescopic piece;19, rotating shaft;20, circular sample holder;21, motor;22, water tank;23, water pump;24, temperature sensor;25, heater. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] In the description of the utility model, need understanding is, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and so on the indicated orientation or positional relation is based on the orientation or positional relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not the indication or implication of the indicated device or element must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation to the utility model.

[0026] Embodiment:

[0027] Refer to Figures 1-4 A kind of asphalt material full spectrum coupling aging device, including working tank 1, hinged connection is also provided with tank door on working tank 1, heat-resistant transparent glass is provided on tank door, for real-time observation is carried out to inside, and controller is also provided on tank door, still including working cavity formed in working tank 1 by partition 2, heater 25 is also provided on working tank 1, for heating temperature in working cavity, and temperature sensor 24 is also provided on the inner wall of working cavity, and temperature sensor 24 can more accurately measure the temperature in working cavity, and temperature is sent to controller and is shown, and exhaust pipe is provided on working tank 1, electromagnetic valve is installed on exhaust pipe, for balancing the air pressure in working tank 1.

[0028] Spray head 4 is also rotationally provided on partition 2, driving part is provided on working tank 1, for driving spray head 4 reciprocating rotation, to simulate rainwater impact on asphalt material.

[0029] The above-mentioned driving part includes connecting shaft 10, spray head 4 is fixedly connected on connecting shaft 10, fixed plate 9 is fixedly connected on partition 2, connecting shaft 10 is rotatably connected on fixed plate 9, and through hole 3 is formed in partition 2, spray head 4 is arranged in through hole 3, by the rotation of connecting shaft 10, spray head 4 can be driven to rotate, and mounting plate 14 is fixedly connected on the inner wall of working tank 1, sliding slot 15 is formed in mounting plate 14, sliding block 16 is slidably connected on sliding slot 15, limit plate 12 is fixedly connected on the top of spray head 4, fixed table 11 is fixedly connected on partition 2, reset spring 13 is connected between fixed table 11 and limit plate 12, and extension rod 17 is fixedly connected on sliding block 16, and extension rod 17 cooperates with limit plate 12.

[0030] When the slider 16 moves along the left side of the sliding groove 15, the extension rod 17 can be driven to move synchronously, and then the extension rod 17 abuts against the outer wall of the limiting plate 12, at this time the reset spring 13 is compressed, and the position of the nozzle 4 is changed. When the slider 16 moves along the right side of the sliding groove 15, the extension rod 17 can be driven to move synchronously, and then the extension rod 17 moves away from the outer wall of the limiting plate 12, at this time the limiting plate 12 is reset by the reset spring 13, and then the position of the nozzle 4 is changed, and the nozzle 4 reciprocates on the through hole 3,

[0031] Further, the telescopic piece 18 is arranged on the inner wall of the working box 1, the slider 16 is fixedly connected to the output end of the telescopic piece 18, and the telescopic piece 18 can be an electric telescopic rod, which is used to drive the slider 16 to reciprocate.

[0032] The xenon lamp 5 is also arranged on the partition plate 2 and staggered with the nozzle 4, the light emitted by the xenon lamp 5 can simulate sunlight to irradiate the asphalt surface, and then the light aging test of the asphalt material is carried out. Through the simulation of light irradiation by the xenon lamp 5 and the reciprocating swing of the nozzle 4 to simulate rainwater, the combined action of light and water is realized. The asphalt will be eroded by light and rainwater in the actual environment. The staggered arrangement enables the asphalt sample to be alternately or simultaneously exposed to the light and spraying environment, and more comprehensively simulates the aging factors in the natural environment.

[0033] In addition, a supporting assembly is arranged in the working cavity, and the working ends of the xenon lamp 5 and the nozzle 4 are directed to the upper end of the supporting assembly, and the supporting assembly is used to support the asphalt material.

[0034] The above-mentioned supporting assembly comprises a square sample holder 8 and a circular sample holder 20, a support 6 is fixedly connected to the inner wall of the working cavity, a supporting plate 7 is detachably connected to the support 6, the square sample holder 8 is arranged on the supporting plate 7, a rotating shaft 19 is rotatably connected to the working box 1, the circular sample holder 20 is fixedly connected to the rotating shaft 19, and a motor 21 is fixedly connected to the working box 1, the rotating shaft 19 is fixedly connected to the output end of the motor 21, and the motor 21 can drive the circular sample holder 20 to rotate, and then drive the asphalt material to rotate, so that the asphalt material can uniformly receive light irradiation and spraying during the test, and errors caused by uneven irradiation at a fixed position are avoided, and the accuracy and reliability of the test are ensured.

[0035] A plurality of equidistant connecting holes are formed in the support 6, and the supporting plate 7 is detachably connected to the connecting holes, the square sample holder 8 can be placed on the supporting plate 7, and the square sample holder 8 can be placed at different heights to adjust the distance between the square sample holder 8 and the xenon lamp 5 or the nozzle 4.

[0036] A water tank 22 is arranged in the working box 1, a drain hole is arranged on the bottom of the working cavity, the drain hole is communicated with the water tank 22 through a pipeline, and a water pump 23 is arranged on the working box 1, the input end of the water pump 23 is fixedly connected with the water tank 22 through a pipeline, the output end of the water pump 23 is communicated with the spray head 4 through an extension tube, water is added into the water tank 22, the water pump 23 is started, the water in the water tank 22 is pressurized and delivered into the spray head 4, the spray head 4 sprays water, and the water simulates rainwater to fall on the asphalt sample, and the excessive water flows into the water tank 22 through the pipeline on the drain hole for recycling, thereby reducing the waste of water resources.

[0037] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A full-spectrum coupled aging device for asphalt materials, comprising a working chamber (1), characterized in that, Also includes: The working chamber is formed inside the working box (1) by partition (2). The partition (2) is rotatably equipped with a nozzle (4), and the working box (1) is equipped with a drive unit for driving the nozzle (4) to reciprocate. The xenon lamp (5) is fixedly connected to the partition (2). The xenon lamp (5) and the nozzle (4) are arranged alternately, and a support assembly is provided in the working chamber, with the working ends of the xenon lamp (5) and the nozzle (4) facing the upper end of the support assembly.

2. The asphalt material full-spectrum coupled aging device according to claim 1, characterized in that, The support assembly includes a square sample holder (8) and a circular sample holder (20). A bracket (6) is fixedly connected to the inner wall of the working chamber. A support plate (7) is detachably connected to the bracket (6). The square sample holder (8) is set on the support plate (7). A rotating shaft (19) is rotatably connected to the working box (1). The circular sample holder (20) is fixedly connected to the rotating shaft (19).

3. The asphalt material full-spectrum coupled aging device according to claim 2, characterized in that, A motor (21) is fixedly connected inside the work box (1), and the rotating shaft (19) is fixedly connected to the output end of the motor (21).

4. The asphalt material full-spectrum coupled aging device according to claim 1, characterized in that, The working box (1) is equipped with a water tank (22). A drain hole is provided at the bottom of the working chamber. The drain hole is connected to the water tank (22) through a pipe. A water pump (23) is provided on the working box (1). The input end of the water pump (23) is fixedly connected to the water tank (22) through a pipe. The output end of the water pump (23) is connected to the nozzle (4) through a telescopic pipe.

5. The asphalt material full-spectrum coupled aging device according to claim 1, characterized in that, The drive unit includes a connecting shaft (10), the nozzle (4) is fixedly connected to the connecting shaft (10), a fixing plate (9) is fixedly connected to the partition (2), the connecting shaft (10) is rotatably connected to the fixing plate (9), and a through hole (3) is provided on the partition (2), and the nozzle (4) is disposed in the through hole (3).

6. The asphalt material full-spectrum coupled aging device according to claim 5, characterized in that, An installation plate (14) is fixedly connected to the inner wall of the work box (1). A sliding groove (15) is provided on the installation plate (14). A slider (16) is slidably connected to the sliding groove (15). A limiting plate (12) is fixedly connected to the top of the nozzle (4). A fixed platform (11) is fixedly connected to the partition (2). A return spring (13) is connected between the fixed platform (11) and the limiting plate (12). An extension rod (17) is fixedly connected to the slider (16). The extension rod (17) cooperates with the limiting plate (12).

7. The asphalt material full-spectrum coupled aging device according to claim 6, characterized in that, The inner wall of the work box (1) is provided with a telescopic component (18), and the slider (16) is fixedly connected to the output end of the telescopic component (18).

8. The asphalt material full-spectrum coupled aging device according to claim 1, characterized in that, A heater (25) is provided on the working box (1), and the output end of the heater (25) is connected to the working chamber.