Asphalt ductility detection device for highway engineering

Abstract

The utility model relates to the technical field of asphalt ductility detection in highway engineering, in particular to an asphalt ductility detection device for highway engineering, which only needs to be operated by a single person, and reduces personnel participation and manpower and time consumption, so that the asphalt ductility detection is more convenient, and the use convenience is improved. Comprising a detection table, the bottom end of the detection table is fixedly connected with four groups of supporting legs, a mobile power supply is fixedly installed at the bottom end of the detection table, the top end of the detection table is fixedly provided with an electric heating plate, the front end of the electric heating plate is provided with an electric heating plate switch, and the left and right ends of the electric heating plate are fixedly connected with extension plates which are as high as the electric heating plate; raindrop-shaped grooves are formed in the two stretching dies in an up-down penetrating mode, the two raindrop-shaped grooves communicate with each other, measuring scales are fixedly arranged at the front ends of the two extending plates, indicating fingers are fixedly arranged at the front ends of the two L-shaped transmission plates, and the two indicating fingers are attached to the two measuring scales correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt ductility detection in highway engineering, in particular to an asphalt ductility detection device for highway engineering. Background Art

[0002] Asphalt is a dark brown complex mixture of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid. Asphalt is mainly used in industries such as coatings, plastics, rubber, and road paving.

[0003] Asphalt is needed in the process of highway construction. The ductility of asphalt needs to be tested before use. Asphalt ductility refers to the ductility of asphalt. The greater the ductility, the better the plasticity of the asphalt. The existing asphalt ductility testing device is complicated to operate when performing ductility testing, requires the participation of multiple people, and consumes a lot of manpower and time, making asphalt ductility testing very inconvenient and difficult to use. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an asphalt ductility detection device for highway engineering that only needs one person to operate, reduces personnel participation, reduces manpower and time consumption, thereby making asphalt ductility detection more convenient and improving ease of use.

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an asphalt ductility detection device for highway engineering, comprising a detection platform, a heating mechanism and a detection mechanism, wherein four groups of legs are fixedly connected to the bottom end of the detection platform, the heating mechanism comprises a mobile power supply, the mobile power supply is fixedly installed at the bottom end of the detection platform, an electric heating plate is fixedly installed at the top end of the detection platform, an electric heating plate switch is arranged at the front end of the electric heating plate, the electric heating plate and the electric heating plate switch are both electrically connected to the mobile power supply through a wire, the detection mechanism comprises a fixed frame, the fixed frame is fixedly installed at the top end of the detection platform, a motor is fixedly installed at the top end of the detection platform, the motor and the mobile power supply are electrically connected through a wire, two groups of fixed plates are symmetrically fixedly connected to the top end of the detection platform, two groups of fixed plates are rotatably installed with bidirectional threaded rods, the right end of the bidirectional threaded rods is connected to the The output end of the motor is fixedly connected, and two groups of L-shaped transmission plates are symmetrically screwed on the bidirectional threaded rod. The two groups of fixed plates are fixedly connected with guide rods, and the two groups of L-shaped transmission plates are slidably mounted on the guide rods. Extension plates are fixedly connected at both ends of the electric heating plate, and the height of the extension plates is consistent with that of the electric heating plate. The two groups of L-shaped transmission plates are respectively in contact with the top ends of the two groups of extension plates, and connecting rods are fixedly connected to the inner sides of the two groups of L-shaped transmission plates. The inner ends of the two groups of connecting rods are fixedly connected with stretching molds, and the bottom ends of the two groups of stretching molds are in contact with the top of the electric heating plate. Raindrop-shaped grooves are provided through the two groups of stretching molds from top to bottom, and the two groups of raindrop-shaped grooves are connected. Measuring rulers are fixedly provided at the front ends of the two groups of extension plates, and indicator needles are fixedly provided at the front ends of the two groups of L-shaped transmission plates, and the two groups of indicator needles are respectively close to the two groups of measuring rulers.

[0007] Preferably, a covering and pressing mechanism is installed on the fixing frame, and the covering and pressing mechanism includes an electric telescopic rod, which is fixedly installed on the fixing frame, an output end of the electric telescopic rod passes through the fixing frame, and a pressing plate is fixedly connected to the output end of the electric telescopic rod.

[0008] Preferably, two groups of vertical plates are symmetrically fixedly connected to the rear end of the inner top of the fixing frame, and lighting lamps are fixedly installed on the two groups of vertical plates. Switches are provided on the two groups of lighting lamps, and the two groups of lighting lamps are electrically connected to the mobile power supply through wires.

[0009] Preferably, both ends of the fixing frame are fixedly connected with reinforcement plates, and the bottom ends of the two groups of reinforcement plates are fixedly connected to the top end of the detection platform.

[0010] Preferably, the bottom ends of the four groups of legs are fixedly connected with anti-slip rubber pads.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when in use, at first, two sets of stretching dies are put together, the asphalt is spread flat and placed in the raindrop-shaped groove on the stretching die, and after the mobile power supply is powered on, the electric heating plate is turned on by the electric heating plate switch, so that the electric heating plate heats the asphalt, and when the asphalt is completely heated, the motor is started, and the motor drives the bidirectional threaded rod to rotate, so that the bidirectional threaded rod drives the L-shaped transmission plate to slide outward along the guide rod, and the L-shaped transmission plate pulls the stretching die to move to both sides through the connecting rod, so that the stretching die stretches the asphalt until the asphalt is completely broken, and the L When the L-shaped transmission plate slides outward, the indicator needle initially indicates the zero position on the measuring ruler. As the L-shaped transmission plate slides outward, the indicator needle will also move outward. When the asphalt is completely broken, due to the synchronous and symmetrical stretching on the left and right sides, the position indicated by the indicator needle is half of the stretched length of the asphalt. By multiplying the number indicated by the indicator needle by 2, the extended length of the asphalt when it is broken can be obtained, thereby realizing the detection of the elongation of the asphalt. The device is easy to operate and only requires one person to operate, which reduces the participation of personnel and reduces the consumption of manpower and time, thereby making the asphalt elongation detection more convenient and improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 2 It is a rear axonometric structural schematic diagram of the utility model;

[0014] Figure 3 It is a front structural schematic diagram of the utility model;

[0015] Figure 4 It is a schematic diagram of the bottom axonometric structure of the utility model;

[0016] Markings in the attached drawings: 1. Testing table; 2. Support legs; 3. Fixed frame; 4. Mobile power supply; 5. Electric heating plate; 6. Electric heating plate switch; 7. Motor; 8. Fixed plate; 9. Bidirectional threaded rod; 10. Guide rod; 11. L-shaped transmission plate; 12. Extension plate; 13. Connecting rod; 14. Stretching mold; 15. Measuring ruler; 16. Indicator needle; 17. Electric telescopic rod; 18. Pressing plate; 19. Vertical plate; 20. Lighting lamp; 21. Reinforcement plate; 22. Anti-slip rubber pad. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0018] Example

[0019] See also Figure 1-Figure 4The utility model is a device for detecting the ductility of asphalt for highway engineering, comprising a detection platform 1, wherein the bottom end of the detection platform 1 is fixedly connected with four groups of legs 2, a mobile power supply 4 is fixedly installed at the bottom end of the detection platform 1, an electric heating plate 5 is fixedly installed at the top end of the detection platform 1, an electric heating plate switch 6 is arranged at the front end of the electric heating plate 5, the electric heating plate 5 and the electric heating plate switch 6 are both electrically connected to the mobile power supply 4 through a wire, a fixing frame 3 is fixedly installed at the top end of the detection platform 1, a motor 7 is fixedly installed at the top end of the detection platform 1, the motor 7 is electrically connected to the mobile power supply 4 through a wire, two groups of fixed plates 8 are symmetrically fixedly connected at the top end of the detection platform 1, two groups of fixed plates 8 are rotatably installed with bidirectional threaded rods 9, and the right end of the bidirectional threaded rod 9 is fixedly connected to the output end of the motor 7 Then, the symmetrical threaded sleeves on the bidirectional threaded rod 9 are provided with two groups of L-shaped transmission plates 11, the two groups of fixed plates 8 are fixedly connected with guide rods 10, the two groups of L-shaped transmission plates 11 are slidably sleeved on the guide rods 10, the left and right ends of the electric heating plate 5 are fixedly connected with extension plates 12, the height of the extension plates 12 is consistent with the electric heating plate 5, the two groups of L-shaped transmission plates 11 are respectively in contact with the top of the two groups of extension plates 12, the inner sides of the two groups of L-shaped transmission plates 11 are fixedly connected with connecting rods 13, the inner ends of the two groups of connecting rods 13 are fixedly connected with stretching dies 14, the bottom ends of the two groups of stretching dies 14 are in contact with the top of the electric heating plate 5, the two groups of stretching dies 14 are provided with raindrop-shaped grooves running through them from top to bottom, and the two groups of raindrop-shaped grooves are connected, and the two groups of extension plates 1 2 are fixedly provided with measuring rulers 15 at the front ends, and indicator needles 16 are fixedly provided at the front ends of the two groups of L-shaped transmission plates 11, and the two groups of indicator needles 16 are respectively close to the two groups of measuring rulers 15; when in use, at first, the two groups of stretching dies 14 are put together, and the asphalt is spread flat and placed in the raindrop-shaped groove on the stretching die 14, and after the mobile power supply 4 is powered on, the electric heating plate 5 is turned on through the electric heating plate switch 6, so that the electric heating plate 5 heats the asphalt. When the asphalt is completely heated, the motor 7 is started, and the motor 7 drives the bidirectional threaded rod 9 to rotate, so that the bidirectional threaded rod 9 drives the L-shaped transmission plate 11 to slide outward along the guide rod 10, and the L-shaped transmission plate 11 pulls the stretching die 14 to move to both sides through the connecting rod 13, so that the stretching die The tool 14 stretches the asphalt until the asphalt is completely broken. When the L-shaped transmission plate 11 slides outward, the indicator needle 16 initially indicates the zero position on the measuring ruler 15. As the L-shaped transmission plate 11 slides outward, the indicator needle 16 is also driven to move outward. When the asphalt is completely broken, due to the synchronous and symmetrical stretching of the left and right sides, the position indicated by the indicator needle 16 is half of the stretched length of the asphalt. The number indicated by the indicator needle 16 is multiplied by 2 to obtain the extended length when the asphalt is broken, thereby realizing the detection of the elongation of the asphalt. The device is easy to operate and only requires one person to operate, which reduces the participation of personnel and reduces the consumption of manpower and time, thereby making the asphalt elongation detection more convenient and improving the convenience of use.

[0020] The fixing frame 3 is provided with a covering and pressing mechanism, which includes an electric telescopic rod 17, which is fixedly mounted on the fixing frame 3, and the output end of the electric telescopic rod 17 passes through the fixing frame 3, and the output end of the electric telescopic rod 17 is fixedly connected with a pressing plate 18; by setting up the covering and pressing mechanism, when the asphalt is loaded into the raindrop-shaped groove of the stretching mold 14, the electric telescopic rod 17 is started, so that the electric telescopic rod 17 pushes the pressing plate 18 to move downward and presses it to the top of the stretching mold 14, so as to facilitate compacting and flattening the asphalt.

[0021] Two groups of vertical plates 19 are symmetrically fixedly connected at the rear end of the inner top of the fixing frame 3, and lighting lamps 20 are fixedly installed on the two groups of vertical plates 19. Both groups of lighting lamps 20 are provided with switches, and both groups of lighting lamps 20 are electrically connected to the mobile power supply 4 through wires; by setting the lighting lamps 20, when the light is relatively dim, the lighting lamps 20 can be turned on for illumination, so that the inspector can observe the readings conveniently.

[0022] Both ends of the fixing frame 3 are fixedly connected with reinforcing plates 21, and the bottom ends of the two sets of reinforcing plates 21 are fixedly connected to the top of the detection platform 1; by providing the reinforcing plates 21, the connection between the fixing frame 3 and the detection platform 1 can be made more firm and stable.

[0023] The bottom ends of the four groups of legs 2 are all fixedly connected with anti-skid rubber pads 22; by providing the anti-skid rubber pads 22, the friction at the bottom of the legs 2 can be increased, so that the device can avoid slipping when being placed.

[0024] The utility model is a device for detecting the ductility of asphalt for highway engineering. The working principle is that when in use, at first, two sets of stretching dies are put together, and the asphalt is spread flat and placed in the raindrop-shaped groove on the stretching die 14. After the mobile power supply 4 is powered on, the electric heating plate 5 is turned on through the electric heating plate switch 6, so that the electric heating plate 5 heats the asphalt. When the asphalt is completely heated, the motor 7 is started, and the motor 7 drives the bidirectional threaded rod 9 to rotate, so that the bidirectional threaded rod 9 drives the L-shaped transmission plate 11 to slide outward along the guide rod 10, and the L-shaped transmission plate 11 is pulled by the connecting rod 13. The stretching die 14 moves to both sides so that the stretching die 14 stretches the asphalt until the asphalt is completely broken. When the L-shaped transmission plate 11 slides outward, the indicator needle 16 initially indicates the zero position on the measuring ruler 15. As the L-shaped transmission plate 11 slides outward, the indicator needle 16 is also driven to move outward. When the asphalt is completely broken, due to the synchronous and symmetrical stretching on the left and right sides, the position indicated by the indicator needle 16 is half of the stretched length of the asphalt. The number indicated by the indicator needle 16 is multiplied by 2 to obtain the extended length of the asphalt when it is broken, thereby realizing the detection of the elongation of the asphalt.

[0025] The utility model is a device for detecting the ductility of asphalt for highway engineering, and its installation method, connection method or setting method are all common mechanical methods, which can be implemented as long as they can achieve their beneficial effects; the mobile power supply, electric heating plate, motor, electric telescopic rod and lighting lamp of the device for detecting the ductility of asphalt for highway engineering of the utility model are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A device for testing the ductility of asphalt for highway engineering, comprising a testing platform (1), characterized in that: It also includes a heating mechanism and a detection mechanism; A testing platform (1), wherein four groups of legs (2) are fixedly connected to the bottom end of the testing platform (1); A heating mechanism, the heating mechanism comprising a mobile power source (4), the mobile power source (4) being fixedly mounted on the bottom end of the detection platform (1), an electric heating plate (5) being fixedly mounted on the top end of the detection platform (1), an electric heating plate switch (6) being arranged at the front end of the electric heating plate (5), the electric heating plate (5) and the electric heating plate switch (6) being electrically connected to the mobile power source (4) via a wire; The detection mechanism comprises a fixing frame (3), the fixing frame (3) is fixedly mounted on the top of the detection platform (1), a motor (7) is fixedly mounted on the top of the detection platform (1), the motor (7) is electrically connected to a mobile power source (4) through a wire, two groups of fixing plates (8) are symmetrically fixedly connected to the top of the detection platform (1), two groups of bidirectional threaded rods (9) are rotatably mounted on the two groups of fixing plates (8), the right end of the bidirectional threaded rod (9) is fixedly connected to the output end of the motor (7), two groups of L-shaped transmission plates (11) are symmetrically screwed on the bidirectional threaded rod (9), the two groups of fixing plates (8) are fixedly connected to guide rods (10), the two groups of L-shaped transmission plates (11) are both slidably mounted on the guide rods (10), and the left and right ends of the electric heating plate (5) are both fixedly connected An extension plate (12) is provided, the height of the extension plate (12) is consistent with that of the electric heating plate (5), two groups of L-shaped transmission plates (11) are respectively in contact with the top ends of the two groups of extension plates (12), the inner sides of the two groups of L-shaped transmission plates (11) are fixedly connected with connecting rods (13), the inner ends of the two groups of connecting rods (13) are fixedly connected with stretching dies (14), the bottom ends of the two groups of stretching dies (14) are in contact with the top ends of the electric heating plate (5), the two groups of stretching dies (14) are provided with raindrop-shaped grooves penetrating from top to bottom, and the two groups of raindrop-shaped grooves are connected, the front ends of the two groups of extension plates (12) are fixedly provided with measuring rulers (15), the front ends of the two groups of L-shaped transmission plates (11) are fixedly provided with indicating needles (16), and the two groups of indicating needles (16) are respectively close to the two groups of measuring rulers (15).

2. A device for detecting asphalt ductility for highway engineering as claimed in claim 1, characterized in that: The fixing frame (3) is provided with a covering and pressing mechanism, the covering and pressing mechanism comprising an electric telescopic rod (17), the electric telescopic rod (17) being fixedly mounted on the fixing frame (3), the output end of the electric telescopic rod (17) passing through the fixing frame (3), and the output end of the electric telescopic rod (17) being fixedly connected to a pressing plate (18).

3. A device for detecting asphalt ductility for highway engineering as claimed in claim 2, characterized in that: Two groups of vertical plates (19) are symmetrically fixedly connected at the rear end of the inner top of the fixing frame (3), and lighting lamps (20) are fixedly installed on the two groups of vertical plates (19). Switches are provided on the two groups of lighting lamps (20), and the two groups of lighting lamps (20) are electrically connected to the mobile power supply (4) through wires.

4. A device for detecting asphalt ductility for highway engineering as claimed in claim 3, characterized in that: Both ends of the fixing frame (3) are fixedly connected with reinforcement plates (21), and the bottom ends of the two groups of reinforcement plates (21) are fixedly connected to the top end of the detection platform (1).

5. The device for detecting the ductility of asphalt for highway engineering as claimed in claim 4, characterized in that: The bottom ends of the four groups of legs (2) are all fixedly connected with anti-slip rubber pads (22).

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