Pavement crack double-layer reinforcement CRCP construction test device

Abstract

The utility model discloses a pavement crack double-layer reinforcement CRCP construction test device which comprises a supporting structure used for supporting; the heating device comprises a heater and a controller and is arranged on the supporting structure, the output end of the heating device is arranged towards the road surface, and the heating device is used for heating the target road surface; the cooling device is arranged on the supporting structure, the output end of the cooling device is arranged towards the road surface, and the cooling device is used for cooling the heated target road surface; the lifting mechanism is arranged on the supporting structure and used for adjusting the height of the supporting structure relative to the road surface; the walking mechanism is arranged at the bottom of the lifting mechanism; and the infrared thermal imaging device is used for detecting the internal heat of the target road surface and quantifying the internal heat to form a temperature distribution image.

Description

TECHNICAL FIELD

[0001] The utility model relates to road test device technical field, in particular, relate to a road crack double -deck reinforcement CRCP construction test device. BACKGROUND

[0002] CRCP, also called continuous reinforcement concrete pavement, CRCP controls the position and spacing of concrete pavement cracks through continuous reinforcement, makes the spacing and crack width of crack small, and limits the further development of crack, thereby improving the integrity and durability of pavement.

[0003] In the prior art, the construction quality of road cracks CRCP cannot be quickly and effectively tested and detected during construction, and visual inspection or pure instrument testing relies on manual judgment, has low accuracy, and cannot guarantee the construction quality. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of road crack double -deck reinforcement CRCP construction test method and construction method to solve the technical problem that the construction quality of existing road crack CRCP cannot be quickly tested and detected during construction.

[0005] According to an aspect of the utility model, a kind of road crack double -deck reinforcement CRCP construction test device is provided, comprising:

[0006] Support structure is used as support;

[0007] Heating device is arranged in the support structure, and the output end of the heating device is towards road surface layout, for heating target road;

[0008] Cooling device is arranged in the support structure, and the output end of the cooling device is towards road surface layout, for cooling after heating target road;

[0009] Lifting mechanism is arranged in the support structure, for adjusting the height of the support structure relative to road;

[0010] Walking mechanism is arranged in the bottom of the lifting mechanism;

[0011] Infrared thermal imaging device is used to detect target road internal heat and form temperature distribution image quantitatively.

[0012] As a further improvement of the above technical solution, the heating device includes a resistance heater and a controller electrically connected to the resistance heater.

[0013] As a further improvement of the above technical scheme, the cooling device comprises a water storage tank arranged on the support structure and above the heating device, a conveying pump arranged on the water storage tank, a conveying pipeline connected with the conveying pump, and a water distribution pipeline connected with the conveying pipeline, the water distribution pipeline is arranged on the bottom of the support structure and symmetrically arranged on both sides of the output end of the heating device, and a plurality of spray heads are arranged on the water distribution pipeline at a preset angle.

[0014] As a further improvement of the above technical scheme, the spray head arrangement angle of the water distribution pipeline arranged on the first side of the test device is inclined downward to the second side of the test device, and the spray head arrangement angle of the water distribution pipeline arranged on the second side of the test device is inclined downward to the first side of the test device.

[0015] As a further improvement of the above technical scheme, one side of the water storage tank is provided with an observation window and / or the water storage tank is provided with a liquid level switch.

[0016] As a further improvement of the above technical scheme, the support structure comprises a mounting base and a mounting bracket arranged on the mounting base, and the heating device and the lifting mechanism are arranged on the mounting base respectively, and the water storage tank is arranged on the mounting bracket.

[0017] As a further improvement of the above technical scheme, the lifting mechanism comprises a mounting bracket arranged on the support structure, a lifting leg slidingly connected to one side of the mounting bracket, and a telescopic push rod arranged in the mounting bracket, the output end of the telescopic push rod is connected with the lifting leg, and the walking mechanism comprises a moving wheel arranged on the bottom of the lifting leg.

[0018] As a further improvement of the above technical scheme, the telescopic push rod is arranged in the mounting bracket, one side of the mounting bracket is provided with a mounting groove matched with the stroke of the telescopic push rod, and the output end of the telescopic push rod extends out of the mounting groove; the lifting leg is arranged on the side of the mounting bracket where the mounting groove is arranged.

[0019] As a further improvement of the above technical scheme, one side of the support structure is provided with a clamping structure matched with the side wall of the lifting leg, the clamping structure is provided with a sliding groove, and the side wall of the lifting leg is formed with a strip-shaped guide protrusion matched with the sliding groove.

[0020] As a further improvement of the above technical scheme, one side of the support structure is provided with a push-pull handle.

[0021] The utility model has the following beneficial effects:

[0022] The test device is supported by a support structure, a lifting mechanism is arranged to connect the walking mechanism and the support structure, so that the test device can move on the target test pavement, and the height of the main body from the ground can be adjusted according to the test requirement, and then the test is carried out on the pavement partition, the target pavement is heated by the heating device, the cooling device is used for rapid cooling or cooperation with the heating device to realize constant temperature, the infrared thermal imaging device is used for quantifying the detected heat, the temperature distribution change data of the pavement surface is counted to form a distribution image, so that the position of the internal defect part of the pavement structure is analyzed, the non-contact measurement is used, the measured object is not affected, the internal part of the measured object is not explored, accurate data can be obtained, the result is intuitive, the efficiency of the pavement detection is greatly improved, and the pavement quality after the high-low temperature difference change of the pavement can be reflected in the test; the device has a simple structure, is convenient to use, can carry out overall test or fixed-point directional test on the pavement, is more flexible, and greatly improves the test efficiency.

[0023] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further explained in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings that form a part of this application are intended to provide further understanding of the utility model, and the schematic embodiments of the utility model and the explanation thereof are used to explain the utility model, and do not constitute undue limitation on the utility model. In the drawings:

[0025] Figure 1 It is the structure schematic of preferred embodiment of the utility model Figure One ;

[0026] Figure 2 It is the structure schematic of preferred embodiment of the utility model Figure Two ;

[0027] Figure 3 It is the structure schematic of preferred embodiment of the utility model Figure Three .

[0028] LEGEND:

[0029] 1, mounting base;2, controller;3, heater;4, mounting bracket;5, water storage tank;6, delivery pump;7, delivery pipeline;8, water distribution pipe;9, spray head;10, push-pull handle;11, observation window;12, fixing part;13, mounting frame;14, mounting groove;15, telescopic push rod;16, lifting bracket;17, lifting leg;18, moving wheel;19, guide protrusion. DETAILED DESCRIPTION

[0030] The embodiments of the present application are described in detail below with reference to the drawings, but the present application can be implemented in various different ways as defined and covered below.

[0031] Figure 1 is a structural schematic of the preferred embodiment of the present application Figure One ; Figure 2 is a structural schematic of the preferred embodiment of the present application Figure Two ; Figure 3 is a structural schematic of the preferred embodiment of the present application Figure Three .

[0032] As Figures 1 to 3 shown, the road surface crack double-layer reinforced CRCP construction test device of the present embodiment comprises:

[0033] a support structure for supporting;

[0034] a heating device comprising a heater 3 and a controller 2 arranged on the support structure, the output end of the heating device facing the road surface, for heating the target road surface;

[0035] a cooling device arranged on the support structure, the output end of the cooling device facing the road surface, for cooling the heated target road surface;

[0036] a lifting mechanism arranged on the support structure, for adjusting the height of the support structure relative to the road surface;

[0037] a walking mechanism arranged at the bottom of the lifting mechanism;

[0038] an infrared thermal imaging device for detecting the internal heat of the target road surface to form a temperature distribution image.

[0039] The infrared thermal imaging device is realized based on the existing infrared thermal imager; the infrared thermal imager is a detection device for calculating temperature values; in the process of forming heat flow propagation on the target road surface to be measured, due to the different heat transfer rates of the internal defect part and the normal part of the road surface, according to the heat conduction equation theory, the difference will cause the temperature difference between the defect part and the intact part on the building surface; the infrared thermal imager quantifies the detected heat accuracy, and forms a distribution image by statistical analysis of the temperature distribution change data of the road surface; since the defect position and the normal position have significant light and dark differences on the image, the position of the internal defect part of the road surface structure can be analyzed; the heating device comprises a resistance heater 3 and a controller 2 electrically connected with the resistance heater 3.

[0040] It can be understood that the test device is supported by the support structure, the lifting mechanism is connected between the walking mechanism and the support structure, the test device can move on the target test pavement, the height of the main body from the ground can be adjusted according to the test requirements, and then the test of the pavement partition is carried out, the target pavement is heated by the heating device, the cooling device is used for rapid cooling or cooperation with the heating device to realize constant temperature, the infrared thermal imaging device is used for quantifying the detected heat, the temperature distribution change data of the pavement surface is counted to form a distribution image, and the position of the internal defect part of the pavement structure is analyzed. It is a non-contact measurement, does not affect the measured object, does not need to explore the internal of the measured object, can obtain accurate data, the result is intuitive, and the efficiency of pavement detection is greatly improved. At the same time, the quality of the pavement after the change of high and low temperature difference can be reflected in the test. The device has simple structure and convenient use, can carry out overall test or fixed-point directional test on the pavement, has higher flexibility, and greatly improves the test efficiency.

[0041] In the embodiment, the cooling device includes a water storage tank 5 arranged on the support structure and located above the heating device, a conveying pump 6 arranged on the water storage tank 5, a conveying pipeline 7 connected with the conveying pump 6, and a water distribution pipe 8 connected with the conveying pipeline 7. The water distribution pipe 8 is connected to the bottom of the support structure by a fixing part 12 and is symmetrically arranged on both sides of the output end of the heating device. A plurality of spray heads 9 are arranged on the water distribution pipe 8 at a preset angle. Water in the water storage tank 5 is extracted by the conveying pump 6, conveyed to the spray heads 9 of the water distribution pipe 8 through the conveying pipeline 7, and sprayed to the target pavement in the test process for cooling.

[0042] In the embodiment, the spray heads 9 of the water distribution pipe 8 arranged on the first side of the test device are arranged to be inclined downward to the second side of the test device, and the spray heads 9 of the water distribution pipe 8 arranged on the second side of the test device are arranged to be inclined downward to the first side of the test device, so that the test area of the target pavement is uniformly covered by the spraying to achieve uniform cooling.

[0043] In the embodiment, one side of the water storage tank 5 is provided with an observation window 11 and / or the water storage tank 5 is provided with a liquid level switch. The water level in the water storage tank 5 is observed through the observation window 11. When the water level is lower than the preset height, the water storage tank 5 is replenished with water. The water storage tank 5 is observed through the observation window 11, and the water is replenished in time for subsequent test; alternatively, a liquid level switch is arranged in the water storage tank 5, and a water replenishing signal is sent when the water level is lower than the preset height to remind water replenishment.

[0044] In the embodiment, the support structure comprises a mounting base 1 and a mounting bracket 4 arranged on the mounting base 1, the heating device and the lifting mechanism are arranged on the mounting base 1 respectively, the heater 3 is located on the lower surface of the mounting base 1, the heater 3 is arranged on the upper surface thereof, and the water storage tank 5 is arranged on the mounting bracket 4, so that the heating device and the water storage tank 5 are spaced apart, the influence of the heating device on the water storage tank 5 is avoided, the water temperature of the spraying is ensured, the cooling effect is avoided to be affected, and the efficiency is improved.

[0045] In the embodiment, the lifting mechanism comprises a mounting frame 13 arranged on the support structure, a lifting leg 17 slidingly connected to one side of the mounting frame 13, and a telescopic push rod 15 arranged in the mounting frame 13, the output end of the telescopic push rod 15 is connected with the lifting leg 17, and the walking mechanism comprises a moving wheel 18 arranged at the bottom of the lifting leg 17, the telescopic push rod 15 is used for controlling the relative lifting and lowering between the support structure and the lifting leg 17 to adjust the height of the support structure from the ground.

[0046] In the embodiment, the telescopic push rod 15 is arranged in the mounting frame 13, one side of the mounting frame 13 is provided with a mounting groove 14 matched with the stroke of the telescopic push rod 15, and the output end of the telescopic push rod 15 extends out of the mounting groove 14; the lifting leg 17 is arranged on the side of the mounting frame 13 where the mounting groove 14 is arranged, and the lifting leg 17 is provided with a lifting bracket 16 used for being connected with the output end of the telescopic push rod 15; and the telescopic push rod 15 is protected by the mounting frame 13.

[0047] In the embodiment, one side of the support structure is provided with a clamping structure used for cooperating with the side wall of the lifting leg 17, the inner wall of the clamping structure is provided with a sliding groove, the side wall of the lifting leg 17 is formed with a strip-shaped guide protrusion 19 used for cooperating with the sliding groove, the clamping structure is clamped on both sides of the lifting leg 17, the sliding groove is arranged in the moving direction of the lifting leg 17, and in the lifting process, the guide protrusion 19 moves along the sliding groove, and the operation is more stable

[0048] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pavement crack double-layered reinforced CRCP construction test device, characterized in that, include: Support structure, used to provide support; A heating device is installed on the supporting structure, with its output end facing the road surface, for heating the target road surface. A cooling device is installed on the supporting structure, with its output end facing the road surface, for cooling the heated target road surface; A lifting mechanism, disposed on the supporting structure, is used to adjust the height of the supporting structure relative to the road surface; A walking mechanism is located at the bottom of the lifting mechanism; Infrared thermal imaging devices are used to detect and quantify the internal heat of a target road surface to form a temperature distribution image.

2. The pavement crack double-layered reinforced CRCP construction test device according to claim 1, characterized in that, The heating device includes a resistance heater (3) and a controller (2) electrically connected to the resistance heater (3).

3. The pavement crack double-layered reinforced CRCP construction test device according to claim 1, characterized in that, The cooling device includes a water storage tank (5) disposed on the support structure and located above the heating device, a delivery pump (6) disposed on the water storage tank (5), a delivery pipe (7) connected to the delivery pump (6), and a water distribution pipe (8) connected to the delivery pipe (7). The water distribution pipe (8) is disposed at the bottom of the support structure and symmetrically arranged on both sides of the output end of the heating device. Multiple nozzles (9) are disposed on the water distribution pipe (8) at a preset angle.

4. The pavement crack double-layered reinforced CRCP construction test device according to claim 3, characterized in that, The nozzles (9) of the water distribution pipe (8) on the first side of the test device are arranged at an angle that is inclined to the lower side of the second side of the test device, and the nozzles (9) of the water distribution pipe (8) on the second side of the test device are arranged at an angle that is inclined to the lower side of the first side of the test device.

5. The pavement crack double-layered reinforced CRCP construction test device according to claim 3, characterized in that, An observation window (11) is provided on one side of the water storage tank (5) and / or a liquid level switch is provided in the water storage tank (5).

6. The pavement crack double-layered reinforced CRCP construction test device according to claim 3, characterized in that, The support structure includes a mounting base (1) and a mounting bracket (4) disposed on the mounting base (1). The heating device and the lifting mechanism are respectively disposed on the mounting base (1), and the water storage tank (5) is disposed on the mounting bracket (4).

7. The pavement crack double-layered reinforced CRCP construction test device according to claim 1, characterized in that, The lifting mechanism includes a mounting frame (13) disposed on the support structure, a lifting leg (17) slidably connected to one side of the mounting frame (13), and a telescopic push rod (15) disposed in the mounting frame (13). The output end of the telescopic push rod (15) is connected to the lifting leg (17). The walking mechanism includes a moving wheel (18) disposed at the bottom of the lifting leg (17).

8. The pavement crack double-layered reinforced CRCP construction test device according to claim 7, characterized in that, The telescopic push rod (15) is disposed inside the mounting frame (13). A mounting groove (14) matching the stroke of the telescopic push rod (15) is provided on one side of the mounting frame (13). The output end of the telescopic push rod (15) extends out of the mounting groove (14). The lifting support leg (17) is disposed on the side of the mounting frame (13) where the mounting groove (14) is provided.

9. The pavement crack double-layered reinforced CRCP construction test device according to claim 8, characterized in that, One side of the support structure is provided with a clamping structure for cooperating with the side wall of the lifting leg (17). The clamping structure has a sliding groove, and the side wall of the lifting leg (17) has a strip-shaped guide protrusion (19) for cooperating with the sliding groove.

10. The pavement crack double-layered reinforced CRCP construction test device according to claim 1, characterized in that, A push-pull handle (10) is provided on one side of the support structure.

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