Strength testing device for asphalt concrete

Abstract

The utility model discloses an asphalt concrete strength testing device which comprises a testing box, a placing table is arranged on the inner side of the testing box, the placing table is used for placing an asphalt concrete block, a base is arranged below the testing box, an electric telescopic rod is arranged on the base, the top of the electric telescopic rod is connected with the testing box, and the testing box is connected with the electric telescopic rod. A limiting plate is arranged on the rear side of the upper portion of the placement table, a protection plate is arranged on the outer side of the test box, a pressing plate is arranged on the top of the inner side of the test box, a hydraulic rod is arranged on the top of the test box, and the hydraulic rod is connected with the pressing plate. The asphalt concrete testing device is simple in structure and convenient to use by different people, asphalt concrete with poor strength can be prevented from being crushed by pressing through the protection plate, the situation that scraps are scattered around and hurt workers can be avoided, and the workers can safely observe the internal testing situation through the tempered glass plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to bituminous concrete technical field, and specifically is a kind of bituminous concrete's strength testing device. BACKGROUND

[0002] Bituminous Concrete is a kind of widely used road construction material, it is mixed by mineral particles (such as gravel, gravel, stone chips or sand), bitumen adhesive and other additives. Bituminous Concrete has good anti-seepage performance and deformation adaptability, so it is widely used in earth-rock dam and pavement engineering. The strength detection of bituminous concrete is an important link to ensure the quality of infrastructure construction such as road, airport and parking lot.

[0003] At present, when the strength of bituminous concrete is detected, the bituminous concrete block is usually extruded by hydraulic device to test the strength, but the hydraulic device is mostly fixed, and the height cannot be adjusted. Since multiple bituminous concrete blocks need to be tested, it is not convenient for different people to use, and when the quality of bituminous concrete block is poor, the hydraulic device is easy to crush it, which may cause debris to scatter and harm the workers. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of bituminous concrete's strength testing device to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of bituminous concrete's strength testing device, including test box, the test box inside is provided with placing table, the placing table is used to place bituminous concrete block, the test box lower part is provided with base, the base is provided with electric telescopic rod, the electric telescopic rod top is connected test box, the placing table upper side rear is provided with limiting plate, the placing table both sides are provided with limit slot, the limit slot upper side is provided with side baffle, the side baffle bottom is provided with limit block, the limit block and limit slot are slidably connected, the test box outside is provided with protection plate, the test box inside top is provided with pressing plate, the test box top is provided with hydraulic rod, the hydraulic rod is connected pressing plate.

[0007] In a preferred embodiment of the utility model, the test box rear side is provided with electric push rod, and the electric push rod is connected to the limiting plate.

[0008] In a preferred embodiment of the utility model, the limit slot is provided with a bidirectional threaded rod inside, and the bottom of the side baffle on both sides is provided with a screw port, and the bidirectional threaded rod is threadedly connected with the screw ports on both sides.

[0009] In a preferred embodiment of the utility model, the placing table side is provided with motor, motor connects two -way screw rod.

[0010] In a preferred embodiment of the utility model, the protective plate inside is provided with movable rod, the test box outside one side is provided with movable pipe, movable rod and movable pipe are in swing joint.

[0011] In a preferred embodiment of the utility model, the protective plate inside is provided with toughened glass plate.

[0012] In a preferred embodiment of the utility model, the pressing plate top outside is provided with limit rod, the hydraulic rod outside is provided with limit port, limit rod and limit port are in sliding joint.

[0013] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model.

[0014] Beneficial effect: the device is through electric telescopic rod drive test box telescopic, to facilitate different people use, through the asphalt concrete block is placed on the placing table, through movable rod in movable pipe activity, so that the protective plate closes test box, through hydraulic rod push pressing plate, so that the pressing plate carries out strength test to asphalt concrete block, and through the limit port of four quarters to limit rod limit, so that the pressing plate is pressed when four quarters keep stable, through the protective plate can avoid the situation that the strength of poor asphalt concrete is pressed and crumbles and causes harm to the staff, through the toughened glass plate, the staff can safely observe the internal test situation.

[0015] The above description is only the summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model and cooperate with the drawings are described in detail as follows.The specific embodiment of the utility model is given in detail by the following examples and its drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the utility model will become apparent and will be readily understood from the following description, including the accompanying drawings in which:

[0017] Figure 1 It is a kind of main body structure schematic diagram in the strength test device of asphalt concrete;

[0018] Figure 2 It is a kind of test box internal structure schematic diagram in the strength test device of asphalt concrete;

[0019] Figure 3It is an inside structure schematic view of a placing table in a kind of asphalt concrete strength testing device;

[0020] Figure 4 It is a pressing plate connecting structure schematic view in a kind of asphalt concrete strength testing device.

[0021] In the figure: 1, test box;11, placing table;12, limiting plate;13, electric push rod;14, base;15, electric telescopic rod;2, limiting groove;21, two-way threaded rod;22, side baffle;23, limiting block;24, screw port;25, motor;3, guard plate;31, movable rod;32, movable pipe;33, toughened glass plate;4, pressing plate;41, hydraulic rod;42, limiting rod;43, limiting port. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0023] Please refer to Figures 1-4 The present application discloses a kind of strength testing device of asphalt concrete, including test box 1, test box 1 as the main structure of device, for the strength of asphalt concrete is tested, test box 1 below is provided with base 14, base 14 is provided with electric telescopic rod 15, base 14 as the bottom structure of device, test box 1 is connected by electric telescopic rod 15 top, to support test box 1, and test box 1 is driven to retract by electric telescopic rod 15, to facilitate different people to use, test box 1 outside is provided with guard plate 3, guard plate 3 inside is provided with movable rod 31, test box 1 outside one side is provided with movable pipe 32, movable rod 31 and movable pipe 32 are movably connected, i.e. movable rod 31 connects movable pipe 32, to make guard plate 3 install in test box 1 outside, and movable rod 31 is moved on movable pipe 32, to make guard plate 3 open and close test box 1, i.e. when testing, it is closed, to avoid that the asphalt concrete of poor strength is pressed to be crushed, and the situation that debris scatters and causes harm to staff, guard plate 3 inside is provided with toughened glass plate 33, i.e. through toughened glass plate 33, staff can safely observe the test situation inside.

[0024] The inside of the test box 1 is provided with a placing table 11 for placing the asphalt concrete block, the rear side of the placing table 11 is provided with a limiting plate 12 for limiting the rear side of the asphalt concrete block, that is, the asphalt concrete block is conveniently installed at the center position of the placing table 11, the rear side of the test box 1 is provided with an electric push rod 13 connected with the limiting plate 12, that is, the limiting plate 12 is adjusted by the electric push rod 13, so as to limit the asphalt concrete block of different sizes, the both sides of the placing table 11 are provided with limiting grooves 2, the upper side of the limiting grooves 2 is provided with side baffle plates 22, the bottom of the side baffle plates 22 is provided with limiting blocks 23 in sliding connection with the limiting grooves 2, the inside of the limiting grooves 2 is provided with a two-way threaded rod 21, the bottom of the both side side baffle plates 22 is provided with screw mouths 24, the two-way threaded rod 21 is in threaded connection with the both side screw mouths 24, that is, when the two-way threaded rod 21 rotates, the both side screw mouths 24 drive the upper side side baffle plates 22 to move inwards or outwards at the same time, one side of the placing table 11 is provided with an electric machine 25 connected with the two-way threaded rod 21, that is, the two-way threaded rod 21 is rotated by the electric machine 25, and the both side limiting blocks 23 slide on the limiting grooves 2, so as to push the asphalt concrete block to the center position of the placing table 11 by the both side side baffle plates 22.

[0025] The top of the inside of the test box 1 is provided with a pressing plate 4, the top of the test box 1 is provided with a hydraulic rod 41 connected with the pressing plate 4, that is, the pressing plate 4 is pushed by the hydraulic rod 41, so as to test the strength of the asphalt concrete block, the top of the outside of the pressing plate 4 is provided with a limiting rod 42, the outside of the hydraulic rod 41 is provided with a limiting opening 43, the limiting rod 42 is in sliding connection with the limiting opening 43, that is, the limiting rod 42 is limited by the limiting opening 43 around, so as to keep stable around when the pressing plate 4 is pressed down.

[0026] The working principle of the utility model is: the device uses, through electric telescopic rod 15 drive test box 1 telescopic, so as to be convenient for different people to use, through the asphalt concrete block is placed on placing table 11, through limiting plate 12 to the rear side of asphalt concrete block is limited, and through electric push rod 13 drive limiting plate 12 adjustment, so as to limit the asphalt concrete block of different sizes, and through electric machine 25 drive two-way threaded rod 21 rotation, and the both side limiting blocks 23 slide on the limiting groove 2, so as to make the both side side baffle plate 22 push the asphalt concrete block to the center position of placing table 11, so as to be convenient for subsequent detection, through movable rod 31 in movable pipe 32 activity, so as to make the protection plate 3 close test box 1, through hydraulic rod 41 push pressing plate 4, so as to make the pressing plate 4 test the strength of the asphalt concrete block, and through the limiting rod 42 around limiting opening 43 is limited, so as to keep stable around when the pressing plate 4 is pressed down, through the protection plate 3 protection staff, through toughened glass plate 33 makes staff can safely observe the inside test situation.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A device for testing the strength of asphalt concrete, comprising a test box (1), characterized in that: The inside of the test box (1) is provided with a placing table (11), the placing table (11) is used for placing asphalt concrete block, the lower portion of the test box (1) is provided with a base (14), the base (14) is provided with an electric telescopic rod (15), the top of the electric telescopic rod (15) is connected with the test box (1), the rear side of the placing table (11) is provided with a limiting plate (12), the both sides of the placing table (11) are provided with a limiting groove (2), the upper portion of the limiting groove (2) is provided with a side baffle (22), the bottom of the side baffle (22) is provided with a limiting block (23), the limiting block (23) is in sliding connection with the limiting groove (2), the outside of the test box (1) is provided with a protective plate (3), the inside of the test box (1) is provided with a pressing plate (4), the top of the test box (1) is provided with a hydraulic rod (41), and the hydraulic rod (41) is connected with the pressing plate (4).

2. The device for testing the strength of asphalt concrete according to claim 1, wherein The rear side of the test box (1) is provided with an electric push rod (13), and the electric push rod (13) is connected with the limiting plate (12).

3. The device for testing the strength of asphalt concrete according to claim 1, wherein The inside of the limiting groove (2) is provided with a bidirectional threaded rod (21), the bottom of the both sides of the side baffle (22) is provided with a screw port (24), and the bidirectional threaded rod (21) is in threaded connection with the both sides of the screw port (24).

4. The device for testing the strength of asphalt concrete according to claim 1, wherein One side of the placing table (11) is provided with a motor (25), and the motor (25) is connected with the bidirectional threaded rod (21).

5. The device for testing the strength of asphalt concrete according to claim 1, wherein The inside of the protective plate (3) is provided with a movable rod (31), one side of the outside of the test box (1) is provided with a movable pipe (32), and the movable rod (31) is in movable connection with the movable pipe (32).

6. The device for testing the strength of asphalt concrete according to claim 1, wherein The inside of the protective plate (3) is provided with a tempered glass plate (33).

7. The device for testing the strength of asphalt concrete according to claim 1, wherein The top of the pressing plate (4) is provided with a limiting rod (42), the outside of the hydraulic rod (41) is provided with a limiting port (43), and the limiting rod (42) is in sliding connection with the limiting port (43).

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