Device for detecting high-temperature resistance of asphalt on asphalt pavement

By designing a servo motor-driven clamping and testing mechanism, the problem of difficult removal of asphalt test blocks at high temperatures was solved, achieving efficient testing of the high-temperature resistance of asphalt pavement, simplifying the cleaning process, and improving testing efficiency and accuracy.

CN223910835UActive Publication Date: 2026-02-13SUICHUAN COUNTY CHENGFA NEW BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202520125774.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-02-13
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

In existing asphalt pavement high-temperature performance testing devices, the asphalt test blocks are too hot to be removed immediately, which prolongs the testing cycle. In addition, some asphalt may soften and adhere to the inside of the device during the heating process, increasing the difficulty of cleaning and inconvenience to the staff.

Method used

A device for testing the high-temperature resistance of asphalt pavement was designed, comprising an insulated box, a clamping mechanism, and a testing mechanism. The device uses a servo motor and a forward and reverse screw system to fix the placement box, and combines a heating element and an infrared temperature sensor to control the temperature. The device uses a telescopic cylinder and an electric slide rail to drive the rolling rollers for testing. It is also equipped with a circulating fan and a controller to distribute heat evenly, enabling rapid removal and cleaning.

Benefits of technology

It improved testing efficiency, shortened the testing cycle, simplified the cleaning process, reduced the operational challenges for staff, and ensured the accuracy and continuity of test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an asphalt pavement asphalt high temperature resistance detection device, including: main body unit, clamping mechanism and detection mechanism, the main body unit includes insulation can and set up the bottom plate under the insulation can, the upper end of bottom plate is fixedly equipped with the fixed block, the side wall of fixed block is fixedly equipped with the speed reduction motor, the speed reduction motor is equipped with the clamping mechanism, the detection mechanism is equipped with the clamping mechanism, the detection mechanism is equipped with the clamping mechanism. The device has the beneficial effects that the servo motor drives the forward and reverse screw rod to rotate, and the forward and reverse screw rod, the screw rod sleeve and the moving rod are arranged to drive the two clamping plates to move relatively, so that the placement box is fixed, and later detection is facilitated; meanwhile, after the detection is completed, the placing box can be conveniently taken out through the arrangement of a handle, so that the next batch of detection is not influenced, the detection period is shortened, the detection efficiency is improved, asphalt adhered to the inner wall of the placing box can be conveniently cleaned, and convenience is brought to workers.
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Description

TECHNICAL FIELD

[0001] The utility model relates to asphalt pavement detection technical field especially relates to a kind of asphalt pavement asphalt high-temperature performance detection device. BACKGROUND

[0002] Asphalt pavement high-temperature performance mainly refers to the ability of asphalt mixture to resist permanent deformation;When asphalt concrete is proportioned and designed, high-temperature performance detection device needs to be used to test the high-temperature performance of the corresponding proportioning test block, to ensure that the asphalt pavement in actual use has good stability and durability.

[0003] The patent with the publication number CN221100367U discloses an asphalt pavement asphalt high-temperature performance detection device, which comprises a box, the box is a heat-insulating box, and a sealed heat-insulating box door is hinged to the front side of the box; an inclination mechanism is installed on the lower surface of the box; the utility model can incline the box by setting the inclination mechanism, so that the asphalt test block placed inside the positioning box can incline accordingly, which facilitates the detection of the influence of the same degree of high temperature on the same asphalt test block at different inclination angles, making the detection results of the asphalt pavement asphalt high-temperature performance detection device more comprehensive and perfect. By setting the pressing mechanism including a pneumatic cylinder, a linear motion mechanism, a pressure measuring component, and a roller insertion mechanism, different width roller compaction rollers can be installed on the roller insertion component and reciprocally moved by the linear motion mechanism to compact the asphalt test block, making the operation of the device more convenient.

[0004] The existing asphalt high-temperature performance detection process usually involves placing the asphalt test block in the detection device, first heating it to a preset high temperature state, and then performing compression resistance testing using a roller compaction roller. However, this process has a significant defect: after the detection is completed, the asphalt test block is difficult to remove immediately due to its high temperature, and it needs to be cooled to a certain extent before it can be operated, which undoubtedly prolongs the detection period. In addition, some asphalt may soften during heating and adhere to the inside of the detection device, which not only increases the cleaning difficulty but also brings additional challenges and inconvenience to the work of the staff.

[0005] Therefore, there is a need for an asphalt pavement asphalt high-temperature performance detection device to solve the above problems. SUMMARY

[0006] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification, and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0007] In view of the problems of the above-mentioned asphalt pavement asphalt high-temperature performance detection device, the utility model provides a kind of asphalt pavement asphalt high-temperature performance detection device.

[0008] Therefore, the utility model aims at providing a kind of asphalt pavement asphalt high-temperature performance detection device, which is used to solve the problems such as "because the temperature of asphalt test block is high, it is inconvenient to take out immediately, and it needs to be cooled to a certain extent before operation, which undoubtedly prolongs the detection period.

[0009] To solve the above technical problems, the utility model provides the following technical scheme: a kind of asphalt pavement asphalt high-temperature performance detection device, comprising:

[0010] The main unit includes an insulation box and a bottom plate arranged below the insulation box, the upper end of the bottom plate is fixedly installed with a fixing block, the sidewall of the fixing block is fixedly installed with a speed reducer, the lower end of the insulation box is fixedly installed with a rotating block, the center of the rotating block is fixedly inserted with a rotating rod, two heating components are fixedly installed on the inner wall of the insulation box, and a detection table is fixedly installed on the inner wall of the insulation box.

[0011] The clamping mechanism includes a servo motor fixedly installed on the sidewall of the insulation box, the output end of the servo motor penetrates the insulation box and is fixedly connected with a forward and reverse screw rod, the forward and reverse screw rod is meshingly connected with two screw rod sleeves, the upper end of each screw rod sleeve is fixedly connected with a moving rod, the upper end of each moving rod is fixedly connected with a clamping plate, a placing box is arranged between the two clamping plates, and a plurality of handles are fixedly installed on the two sides of the placing box.

[0012] The detection mechanism includes an electric slide rail fixedly installed on the upper end of the insulation box, the output end of the electric slide rail is fixedly installed with a fixed plate, the lower end of the fixed plate is fixedly installed with a telescopic cylinder, the telescopic end of the telescopic cylinder is fixedly installed with a mounting plate, and the mounting plate is fixedly installed with a pressure measuring assembly through a plurality of bolts.

[0013] As a preferred scheme of the utility model, the pressure measuring assembly includes a connecting plate and a rolling roller, the connecting plate is fixedly installed with the mounting plate, and the rolling roller is fixedly installed with the connecting plate.

[0014] As a preferred scheme of the utility model, the two sides of the insulation box are fixedly connected with two electric heating control assemblies, the plurality of heating components are electrically connected with the electric heating control assemblies, and the upper end of the insulation box is fixedly installed with an infrared temperature sensor.

[0015] As a preferred scheme of the asphalt pavement asphalt high temperature performance detection device, two through holes are formed in the detection table, one end of two moving rods is penetrated through the through holes and is slidingly connected in the through holes, and the placing box is arranged at the upper end of the detection table.

[0016] As a preferred scheme of the asphalt pavement asphalt high temperature performance detection device, a fixing groove is formed in the upper end of the fixing block, the rotating rod is rotatably connected in the fixing groove, and the output end of the speed reducer motor is penetrated through the fixing groove and is fixedly connected with the rotating rod.

[0017] As a preferred scheme of the asphalt pavement asphalt high temperature performance detection device, two circulating fans are fixedly installed on the inner wall of the heat preservation box, a controller is fixedly installed on the side wall of the heat preservation box, and a box door is arranged on the front side of the heat preservation box.

[0018] The beneficial effects of the present application are as follows:

[0019] The servo motor drives the forward and reverse screw rod to rotate, the forward and reverse screw rod, the screw rod sleeve and the moving rod are arranged to drive the two clamping plates to move relative to each other, the placing box is fixed, the detection in the later period is facilitated, after the detection is completed, the handle is arranged to facilitate the taking out of the placing box, so that the next batch of detection is not affected, the detection period and efficiency are improved, the asphalt adhered to the inner wall of the placing box is conveniently cleaned, and convenience is brought to the workers. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor. Among them:

[0021] Figure 1 It is a front structure schematic view of the asphalt pavement asphalt high temperature performance detection device.

[0022] Figure 2 It is a partial sectional view structure schematic view of the asphalt pavement asphalt high temperature performance detection device.

[0023] Figure 3 It is a structure schematic view of the heat preservation box in the asphalt pavement asphalt high temperature performance detection device.

[0024] BRIEF DESCRIPTION OF DRAWINGS: 100, main unit; 101, incubator; 102, bottom plate; 103, fixed block; 104, rotating block; 1041, rotating rod; 105, speed reducer motor; 106, detection table; 107, heating component; 108, electric heating control assembly; 109, infrared temperature sensor; 110, circulating fan; 111, box door; 112, controller; 200, clamping mechanism; 201, servo motor; 202, forward and reverse screw rod; 203, screw rod sleeve; 204, moving rod; 205, clamping plate; 300, detection mechanism; 301, electric sliding rail; 302, fixed plate; 303, telescopic air cylinder; 304, mounting plate; 305, pressure measuring assembly. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a variety of ways beyond the specific details set forth herein without departing from the scope of the present application, and it will be apparent to one skilled in the art that the present application can be practiced with or without these specific details. Therefore, the present application is not limited to the details below disclosed.

[0027] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics contained in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0028] Thirdly, the present application is described in detail in conjunction with the schematic diagram. In the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual manufacture.

[0029] REFERENCE Figure 1 - Figure 3 For one embodiment of the present application, a high-temperature resistance performance detection device for asphalt pavement is provided, which comprises:

[0030] The main unit 100 comprises a heat preservation box 101 and a bottom plate 102 arranged below the heat preservation box 101, the upper end of the bottom plate 102 is fixedly installed with a fixed block 103, the side wall of the fixed block 103 is fixedly installed with a speed reducer motor 105, the lower end of the heat preservation box 101 is fixedly installed with a rotating block 104, the center of the rotating block 104 is fixedly penetrated with a rotating rod 1041, the inner wall of the heat preservation box 101 is fixedly installed with two heating components 107, and the inner wall of the heat preservation box 101 is fixedly installed with a detection table 106;

[0031] The clamping mechanism 200 comprises a servo motor 201 fixedly installed on the side wall of the heat preservation box 101, the output end of the servo motor 201 penetrates through the heat preservation box 101 and is fixedly connected with a forward and reverse screw rod 202, the forward and reverse screw rod 202 is meshingly connected with two screw rod sleeves 203, the upper end of each screw rod sleeve 203 is fixedly connected with a moving rod 204, the upper end of each moving rod 204 is fixedly connected with a clamping plate 205, a placing box is arranged between the two clamping plates 205, a plurality of handles are fixedly installed on the two sides of the placing box, the forward and reverse screw rod 202 is driven to rotate by the servo motor 201, the two clamping plates 205 are driven to move relative to each other by the forward and reverse screw rod 202, the screw rod sleeve 203 and the moving rod 204, the placing box is fixed, which is convenient for subsequent detection, at the same time, after detection is completed, the placing box can be taken out through the handles, so that the next batch of detection is not affected, the detection period and efficiency are improved, and the asphalt adhered to the inner wall of the placing box is convenient to clean, which brings convenience to the workers;

[0032] The detection mechanism 300 comprises an electric sliding rail 301 fixedly installed on the upper end of the heat preservation box 101, the output end of the electric sliding rail 301 is fixedly installed with a fixed plate 302, the lower end of the fixed plate 302 is fixedly installed with a telescopic cylinder 303, the telescopic end of the telescopic cylinder 303 is fixedly installed with a mounting plate 304, the mounting plate 304 is fixedly installed with a pressure measuring assembly 305 through a plurality of bolts, the temperature in the heat preservation box 101 is raised to a specified temperature range through the heating component 107, then the rolling roller is driven to move downward and abut against the asphalt test block above through the telescopic cylinder 303 and the mounting plate 304, a longitudinal force is applied to the asphalt test block, then the rolling roller is driven to move left and right through the electric sliding rail 301, a transverse force is applied to the asphalt test block, and the high temperature resistance of the asphalt test block is detected by observing the deformation of the asphalt test block.

[0033] The pressure measuring assembly 305 comprises a connecting plate and a rolling roller, the connecting plate is fixedly installed with the mounting plate 304, and the rolling roller is fixedly installed with the connecting plate.

[0034] Two electric heating control assemblies 108 are fixedly connected to the two sides of the incubator 101, the plurality of heating components 107 are electrically connected with the electric heating control assemblies 108, and the infrared temperature sensor 109 is fixedly installed at the upper end of the incubator 101, and is used for detecting the temperature in the incubator 101.

[0035] Two through holes are formed in the detection table 106, one end of the two movable rods 204 penetrates through the through holes and is slidingly connected in the through holes, and the placing box is arranged at the upper end of the detection table 106, and the through holes limit the movable rods 204.

[0036] The upper end of the fixed block 103 is provided with a fixed groove, the rotating rod 1041 is rotatably connected in the fixed groove, and the output end of the speed reducer 105 penetrates the fixed groove and is fixedly connected with the rotating rod 1041, and the arrangement of the speed reducer 105, the rotating rod 1041 and the rotating block 104 can adjust the angle during detection.

[0037] Two circulating fans 110 are fixedly installed on the inner wall of the incubator 101, a controller 112 is fixedly installed on the side wall of the incubator 101, and a box door 111 is arranged on the front side of the incubator 101, the arrangement of the circulating fan 110 makes the heat distribution more uniform, and the speed reducer 105 and the servo motor 201 are electrically connected with the controller 112.

[0038] Working principle: place the placing box containing the asphalt test block above the detection table 106, start the servo motor 201, the output end of the servo motor 201 drives the forward and reverse screw rod 202 to rotate, and the arrangement of the forward and reverse screw rod 202, the screw rod sleeve 203 and the movable rod 204 drives the two clamping plates 205 to move relatively, and fixes the placing box, which is convenient for later detection; further, the temperature in the incubator 101 is raised to a specified temperature range by the heating component 107, then the rolling wheel is driven downward by the telescopic cylinder 303 and the mounting plate 304 and is arranged above the asphalt test block, and a longitudinal force is applied to the asphalt test block, then the rolling wheel is driven to move left and right by the electric sliding rail 301, and a transverse force is applied to the asphalt test block, and the deformation of the asphalt test block is observed to detect the high temperature resistance of the asphalt test block; after detection, the handle is arranged to facilitate the taking out of the placing box, so as not to affect the next batch of detection, improve the detection period and efficiency, and facilitate the cleaning of the asphalt adhered to the inner wall of the placing box, which brings convenience to the workers, and the contents not described in detail in the description belong to the existing technology known to those skilled in the art.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A device for detecting high temperature resistance of asphalt pavement asphalt, characterized in that, The utility model relates to a kind of temperature-maintaining box and detection device, including: Main unit (100), the main unit (100) includes heat preservation box (101) and the bottom plate (102) arranged below heat preservation box (101), the upper end of the bottom plate (102) is fixedly installed with fixed block (103), the sidewall of the fixed block (103) is fixedly installed with speed reducer (105), the lower end of the heat preservation box (101) is fixedly installed with rotating block (104), the center of the rotating block (104) is fixedly inserted with rotating rod (1041), the inner wall of the heat preservation box (101) is fixedly installed with two heating components (107), the inner wall of the heat preservation box (101) is fixedly installed with detection stage (106); Clamping mechanism (200), the clamping mechanism (200) includes servo motor (201) fixedly installed on the side wall of heat preservation box (101), the output end of the servo motor (201) is fixedly connected with positive and negative screw rod (202) and is fixedly connected with two screw rod sleeves (203) on the positive and negative screw rod (202), the upper end of each screw rod sleeve (203) is fixedly connected with moving rod (204), the upper end of each moving rod (204) is fixedly connected with clamping plate (205), and placing box is arranged between the two clamping plates (205), a plurality of handles are fixedly installed on the both sides of the placing box; Detection mechanism (300), the detection mechanism (300) includes electric slide rail (301) fixedly installed on the upper end of heat preservation box (101), the output end of the electric slide rail (301) is fixedly installed with fixed plate (302), the lower end of the fixed plate (302) is fixedly installed with telescopic air cylinder (303), the telescopic end of the telescopic air cylinder (303) is fixedly installed with mounting plate (304), and the mounting plate (304) is fixedly installed with pressure measuring assembly (305) by a plurality of bolts.

2. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 1, characterized in that: The pressure measuring assembly (305) includes a connecting plate and a rolling roller, the connecting plate is fixedly installed with the mounting plate (304), and the rolling roller is fixedly installed with the connecting plate.

3. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 1, characterized in that: Two electric heating control assemblies (108) are fixedly connected on the both sides of the heat preservation box (101), a plurality of heating components (107) are electrically connected with the electric heating control assembly (108), and an infrared temperature sensor (109) is fixedly installed on the upper end of the heat preservation box (101).

4. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 1, characterized in that: Two through holes are formed in the detection stage (106), one end of the two moving rods (204) penetrates the through hole and is slidably connected in the through hole, and the placing box is arranged on the upper end of the detection stage (106).

5. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 1, characterized in that: A fixed groove is formed in the upper end of the fixed block (103), the rotating rod (1041) is rotatably connected in the fixed groove, and the output end of the speed reducer (105) penetrates the fixed groove and is fixedly connected with the rotating rod (1041).

6. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 1, characterized in that: Two circulating fans (110) are fixedly installed on the inner wall of the heat preservation box (101), a controller (112) is fixedly installed on the side wall of the heat preservation box (101), and a box door (111) is arranged on the front side of the heat preservation box (101).

Citation Information

Patent Citations

  • Device for detecting high-temperature resistance of asphalt on asphalt pavement

    CN221100367U