Asphalt elongation tester

Abstract

The utility model relates to the technical field of asphalt extensibility testers, in particular to an asphalt extensibility tester which comprises a main body, a cover plate arranged on the main body, a console electrically connected to the main body, a clamp base fixedly connected to the bottom end of the main body, a baffle fixedly connected to the clamp base, a first rotating shaft fixedly connected to the baffle, and a second rotating shaft fixedly connected to the first rotating shaft. A pushing rod is arranged in the clamp base, a four-rod clamp assembly is arranged at one end of the pushing rod, a cushion block is arranged on the four-rod clamp assembly, and an air cylinder is fixedly connected to the rear end of the clamp base. Two ends of asphalt to be tested are respectively placed in the four-rod clamp assembly, the air cylinder is started, the output end of the air cylinder drives the push rod to push forwards, so that the four-rod clamp assembly moves, the two straight rods connected with the push rod drive the straight rods to deflect under the action of the push rod, and the other two L-shaped rods deflect by taking the first rotating shaft as a circle center; the front end of the L-shaped rod is clamped and released, and the cushion block is clamped and released.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt elongation testers, in particular to an asphalt elongation tester. Background Art

[0002] In the performance test of asphalt, elongation is an important indicator. The elongation of asphalt refers to the property of asphalt that it can be deformed without being destroyed under the action of external force, and can still maintain the deformed shape after the external force is removed, which reflects the plasticity of asphalt. Asphalt low temperature elongation tester is suitable for measuring the elongation of asphalt under low temperature conditions.

[0003] The existing technology mostly adopts an asphalt elongation tester disclosed in the announcement number CN216013012U, which includes a box body, a box cover is provided on the box body, a box slot is provided in the box body, and a high-density solution tank, a low-density solution tank and a water tank are respectively provided on the side wall on the side of the longer side of the box body, which are connected to the inside of the box slot. A first screw nut and a second screw nut that cooperate with each other are sleeved on the screw rod, and the internal threads of the first screw nut and the second screw nut are arranged in opposite directions. A clamping component with an adjustable clamping width is provided at the top of the first screw nut and the second screw nut.

[0004] When testing the elongation of asphalt, asphalt of different thicknesses needs to be tested. However, the clamping parts of existing equipment are mostly fixed, which requires multiple devices or parts to test asphalt of several different thicknesses. Therefore, the existing equipment is not completely suitable. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that in the prior art, asphalt of different thicknesses is tested, but the clamping parts of the existing equipment are mostly fixed, which requires multiple devices or parts to test asphalt of several different thicknesses, and an asphalt elongation tester is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An asphalt elongation tester comprises a main body, a cover plate is arranged on the main body, a console is electrically connected to the main body, a clamp base is fixedly connected to the bottom end of the main body, a baffle is fixedly connected to the clamp base, a first rotating shaft is fixedly connected to the baffle, a push rod is arranged in the clamp base, a four-rod clamp assembly is arranged at one end of the push rod, a pad is arranged on the four-rod clamp assembly, and a cylinder is fixedly connected to the rear end of the clamp base;

[0008] A second motor is fixedly connected in the main body, a second rotating shaft is arranged on the second motor, a stirring blade is arranged on the second rotating shaft, a slot is opened in the main body, a rack is fixedly connected in the slot, and a gear is rotatably connected to the lower end of the clamp base.

[0009] Preferably, the cover plate pin is connected to the main body, a cavity is opened in the clamp base, a driver is fixedly connected in the cavity, and the output end of the driver is fixedly connected to the gear.

[0010] Preferably, the push rod is inserted through and sleeved in the clamp base, and the output end of the cylinder is connected to the rear end of the push rod.

[0011] Preferably, two of the four-bar clamp assemblies are provided and symmetrically arranged in the main body, the gear and the rack are meshingly connected, and one of the four-bar clamp assemblies consists of a straight rod and an L-shaped rod, one end of the two straight rods are connected to the push rod pin, the two L-shaped rods are respectively rotatably connected to the two first rotating shafts, and the two L-shaped rods are respectively fixedly connected to the two pads.

[0012] Preferably, the second rotating shaft is fixedly arranged at the output end of the second motor, and three stirring blades are arranged at equal distances on the second rotating shaft.

[0013] Preferably, two second rotating shafts are provided and are symmetrically arranged in the main body.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model places the two ends of the asphalt to be tested into the four-rod clamp assembly respectively, starts the cylinder, and the output end of the cylinder drives the push rod to move forward, so that the four-rod clamp assembly moves, wherein the two straight rods connected to the push rod drive the straight rods to deflect under the action of the push rod, so that the other two L-shaped rods are deflected with the first rotating axis as the center of the circle, so that the front end of the L-shaped rod is clamped and released, and the pad is clamped and released, so as to achieve clamping of asphalt of different thicknesses. Compared with equipment whose clamping parts cannot change the clamping thickness, this equipment can clamp asphalt of more thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of an asphalt elongation tester proposed by the utility model;

[0017] Figure 2 This is a top cross-sectional view of an asphalt elongation tester proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of a clamping component of an asphalt elongation tester proposed by the utility model;

[0019] Figure 4 This is a top-sectional view of an asphalt elongation tester proposed by the utility model.

[0020] In the figure: 1. main body; 2. cover plate; 3. control console; 4. fixture base; 5. baffle; 6. first rotating shaft; 7. push rod; 8. four-rod fixture assembly; 9. pad; 10. cylinder; 11. second motor; 12. second rotating shaft; 13. stirring blade; 14. notch; 15. rack; 16. gear. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 4 , an asphalt elongation tester, comprising a main body 1, a cover plate 2 is arranged on the main body 1, and a cover plate 2 is arranged on the main body 1. Figure 1-Figure 4 It can be seen that the front end of the cover plate 2 is fixedly connected with a handle for opening the cover plate, and the main body 1 is electrically connected with a console 3. Figure 1-Figure 4 It can be seen that the console 3 can monitor the test data to ensure the stability of the machine. The bottom end of the main body 1 is fixedly connected to a fixture base 4, a baffle 5 is fixedly connected to the fixture base 4, a first rotating shaft 6 is fixedly connected to the baffle 5, a push rod 7 is arranged in the fixture base 4, a four-rod fixture assembly 8 is arranged at one end of the push rod 7, and a cushion block 9 is arranged on the four-rod fixture assembly 8. Figure 1-Figure 4 It can be seen that the four-bar clamp assembly 8 moves, and the two straight bars connected to the push rod 7 drive the straight bars to deflect under the action of the push rod 7, so that the other two L-shaped bars deflect with the first rotating shaft 6 as the center, so that the front end of the L-shaped bar is clamped and released, and the pad 9 is clamped and released to achieve the clamping of the asphalt. Figure 1-Figure 4 It can be seen that there are two cylinders 10, which are respectively connected to the push rod 7;

[0023] The rear end of the clamp base 4 is fixedly connected to a cylinder 10, see the attached manual Figure 1-Figure 4 It can be seen that the two ends of the asphalt to be tested are placed in the four-rod clamp assembly 8 respectively, and the cylinder 10 is started, and the output end of the cylinder 10 drives the push rod 7 to move forward;

[0024] The main body 1 is fixedly connected with a second motor 11, the second motor 11 is provided with a second rotating shaft 12, and the second rotating shaft 12 is provided with a stirring blade 13. Figure 1-Figure 4It can be seen that water is injected into the main body 1, and the second motor 11 is started. The output end of the second motor 11 drives the second rotating shaft 12 to rotate, so that the stirring blade 13 rotates at the same time to accelerate the flow of water. A notch 14 is opened in the main body 1, and a rack 15 is fixedly connected to the notch 14. The lower end of the clamp base 4 is rotatably connected to a gear 16. Figure 1-Figure 4 It can be seen that the driver provided in the clamp base 4 is started at the same time, and the output end of the driver drives the two gears 16 to rotate forward and reverse respectively, so that the two four-bar clamp assemblies 8 move and retreat respectively;

[0025] The cover plate 2 is pin-connected to the main body 1, a cavity is provided in the clamp base 4, a driver is fixedly connected in the cavity, the output end of the driver is fixedly connected to the gear 16, the push rod 7 is sleeved through the clamp base 4, the output end of the cylinder 10 is connected to the rear end of the push rod 7, two four-bar clamp assemblies 8 are provided, and are symmetrically arranged in the main body 1, the gear 16 and the rack 15 are meshed and connected, a four-bar clamp assembly 8 consists of a straight rod and an L-shaped rod, one end of the two straight rods are pin-connected to the push rod 7, the two L-shaped rods are respectively rotatably connected to the two first rotating shafts 6, the two L-shaped rods are respectively fixedly connected to the two pads 9, the second rotating shaft 12 is fixedly provided at the output end of the second motor 11, three stirring blades 13 are provided, and are equidistantly arranged on the second rotating shaft 12, and two second rotating shafts 12 are provided, and are symmetrically arranged in the main body 1.

[0026] The functional principle of the utility model can be explained through the following operation mode: the two ends of the asphalt to be tested are respectively placed in the four-rod clamp assembly 8, and the cylinder 10 is started. The output end of the cylinder 10 drives the push rod 7 to move forward, so that the four-rod clamp assembly 8 moves, wherein the two straight rods connected to the push rod 7 drive the straight rods to deflect under the action of the push rod 7, so that the other two L-shaped rods deflect with the first rotating shaft 6 as the center of the circle, so that the front end of the L-shaped rod is clamped and released, and the pad 9 is clamped and released, so as to achieve the clamping of the asphalt;

[0027] Water is injected into the main body 1, and the second motor 11 is started. The output end of the second motor 11 drives the second rotating shaft 12 to rotate, so that the stirring blade 13 rotates at the same time to accelerate the flow of water. At the same time, the driver set in the clamp base 4 is started, and the output end of the driver drives the two gears 16 to rotate forward and reverse respectively, so that the two four-bar clamp assemblies 8 move and retreat respectively.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An asphalt elongation tester, comprising a main body (1), characterized in that: The main body (1) is provided with a cover plate (2), the main body (1) is electrically connected to a control console (3), the bottom end of the main body (1) is fixedly connected to a clamp base (4), the clamp base (4) is fixedly connected to a baffle (5), the baffle (5) is fixedly connected to a first rotating shaft (6), a push rod (7) is provided in the clamp base (4), a four-rod clamp assembly (8) is provided at one end of the push rod (7), a cushion block (9) is provided on the four-rod clamp assembly (8), and a cylinder (10) is fixedly connected to the rear end of the clamp base (4); A second motor (11) is fixedly connected to the main body (1), a second rotating shaft (12) is arranged on the second motor (11), a stirring blade (13) is arranged on the second rotating shaft (12), a notch (14) is opened in the main body (1), a rack (15) is fixedly connected to the notch (14), and a gear (16) is rotatably connected to the lower end of the clamp base (4).

2. The asphalt elongation tester according to claim 1, characterized in that: The cover plate (2) is pin-connected to the main body (1), a cavity is provided in the fixture base (4), a driver is fixedly connected to the cavity, and an output end of the driver is fixedly connected to the gear (16).

3. The asphalt elongation tester according to claim 1, characterized in that: The push rod (7) is inserted through and sleeved in the clamp base (4), and the output end of the cylinder (10) is connected to the rear end of the push rod (7).

4. The asphalt elongation tester according to claim 1, characterized in that: Two of the four-bar clamp assemblies (8) are provided and symmetrically arranged in the main body (1); the gear (16) and the rack (15) are meshingly connected; one of the four-bar clamp assemblies (8) consists of a straight rod and an L-shaped rod; one end of the two straight rods is pin-connected to the push rod (7); the two L-shaped rods are rotatably connected to the two first rotating shafts (6) respectively; and the two L-shaped rods are fixedly connected to the two cushion blocks (9) respectively.

5. The asphalt elongation tester according to claim 1, characterized in that: The second rotating shaft (12) is fixedly arranged at the output end of the second motor (11), and three stirring blades (13) are arranged at equal distances on the second rotating shaft (12).

6. The asphalt elongation tester according to claim 1, characterized in that: Two second rotating shafts (12) are provided and are symmetrically arranged in the main body (1).

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