Roadbed drainage strength detection device

Abstract

The utility model relates to the technical field of roadbed drainage detection, and discloses a roadbed drainage strength detection device which comprises a detection box and a placing plate, one side of the top of the placing plate is fixedly connected with a first fixing strip, the other side of the top of the placing plate is fixedly connected with a second fixing strip, and the inside of the second fixing strip is movably connected with a plurality of movable rods. One end of the movable rod is fixedly connected with a movable block, a reset spring is arranged outside the movable rod, one end of the movable rod is fixedly connected with one side of the movable block, the other end of the movable rod is fixedly connected with one side of the second fixing strip, and the movable block is pulled to drive one end of the movable rod to move towards the interior of the second fixing strip, and the reset spring is compressed; the roadbed test piece is placed between the first fixing strip and the movable block, then the movable block is loosened, the reset spring is reset and elongated, the reset spring pushes the movable block to move inwards to clamp and fix the roadbed test piece, and therefore roadbed test pieces of different sizes can be clamped and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed drainage detection, in particular to a roadbed drainage strength detection device. Background Art

[0002] Asphalt pavement refers to various types of pavement constructed by mixing road asphalt materials into mineral materials. The asphalt binder improves the ability of paving aggregate to resist damage to the pavement caused by traffic and natural factors, making the pavement smooth, dust-free, impermeable and durable. Among them, the drainage capacity of asphalt pavement is an important factor that determines its quality, so the drainage strength test of asphalt pavement is a very important link.

[0003] A Chinese utility model patent with announcement number CN211856223U discloses an asphalt pavement drainage strength detection device, which belongs to the field of roadbed drainage detection technology. The asphalt pavement test piece to be tested is placed on a support plate and respectively contacts three fixed blocks. Then, an adjustment mechanism is used to drive the support plate to rotate along the hinge axis to adjust the angle between the support plate and the horizontal plane, that is, to adjust the angle between the asphalt pavement test piece and the horizontal plane. Then, the water pump is started to pump out the water in the water tank and transport it to the nozzle through the pumping pipe. The nozzle sprays the water onto the asphalt pavement test piece. The sprayed water flows toward one side of the hinge axis on the asphalt pavement and returns to the water tank through the drain hole. Finally, it is observed whether the asphalt pavement test piece has runoff, and the drainage strength detection test of the asphalt pavement test piece is completed.

[0004] With respect to the existing related technologies, the inventors believe that the following defects exist: in the prior art, the asphalt pavement test piece is fixed by abutment with three fixing blocks, but since the asphalt pavement test pieces are of different sizes, the test pieces cannot be placed in the middle of the three fixing blocks for fixation. Utility Model Content

[0005] In order to solve the technical problem that the asphalt pavement test piece is fixed by three fixing blocks, but the test piece cannot be placed between the three fixing blocks for fixing due to the different sizes of the asphalt pavement test piece, the utility model provides a roadbed drainage strength detection device.

[0006] The utility model is implemented by the following technical scheme: a roadbed drainage strength detection device, comprising a detection box and a placement plate, a box door is opened on one side of the detection box, a fixed block is fixedly connected to one side of the inner wall of the detection box, a water pipe is fixedly connected inside the fixed block, a water pump is fixedly connected to the bottom of the water pipe, a nozzle is fixedly connected to the top of the water pipe, the nozzle is located above the placement plate, the placement plate is located inside the detection box, a first fixed strip is fixedly connected to one side of the top of the placement plate, a second fixed strip is fixedly connected to the other side of the top of the placement plate, a plurality of movable rods are movably connected inside the second fixed strip, one end of the movable rod is fixedly connected to a movable block, a reset spring is arranged on the outside of the movable rod, and the bottom of the movable block fits with the top of the placement plate.

[0007] Preferably, one end of the movable rod is fixed to one side of the movable block, and the other end of the movable rod is fixedly connected to one side of the second fixing strip.

[0008] Preferably, slide grooves are processed on both sides of the detection box, and a plurality of limit grooves are processed on both sides of the detection box, and one side of the slide groove is connected to the limit groove.

[0009] Preferably, the interior of the limiting groove is contact-connected with a connecting column, the connecting column is movably connected to the interior of the slide groove, one end of the connecting column is fixedly connected to a closing piece, and the inner side of the closing piece fits with the inner wall of the detection box.

[0010] Preferably, one end of the connecting column is fixedly connected to a handle, and handles are provided on the outer sides of the two sliding grooves. The other end of the connecting column is fixedly connected to a support rod, and the top of the support rod fits with the bottom of the placement plate.

[0011] Preferably, a fixing rod is provided inside the detection box, and two ends of the fixing rod are respectively fixedly connected to two sides of the inner wall of the detection box.

[0012] Preferably, the fixing rod is "L"-shaped, and one end of the placement plate is located on the inner side of the fixing rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When the utility model is in use, the second fixing bar and the movable block are provided, the movable block is first pulled to drive one end of the movable rod to move toward the inside of the second fixing bar, the reset spring is compressed, and then the roadbed test piece is placed between the first fixing bar and the movable block, and then the movable block is released, the reset spring will reset and extend, and the reset spring will push the movable block to move inward to clamp and fix the roadbed test piece, so that roadbed test pieces of different sizes can be clamped and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side view of the detection box of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the detection box of the utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure of the handle and the support rod of the utility model;

[0019] Figure 5 For the utility model Figure 1 The enlarged schematic diagram of the middle part A;

[0020] Figure 6 For the utility model Figure 2 Enlarged schematic diagram of part B in the middle.

[0021] In the figure: 1. detection box; 2. placement plate; 3. box door; 4. handle; 5. connecting column; 6. support rod; 7. fixing rod; 8. closing piece; 9. slide groove; 10. limit groove; 11. first fixing strip; 12. second fixing strip; 13. movable block; 14. movable rod; 15. reset spring; 16. water pipe; 17. fixing block; 18. nozzle. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0023] Example 1: Please refer to Figure 1 - Figure 6 , a roadbed drainage strength detection device of the present embodiment comprises a detection box 1 and a placement plate 2, a box door 3 is provided on one side of the detection box 1, a fixed block 17 is fixedly connected to one side of the inner wall of the detection box 1, a water pipe 16 is fixedly connected to the inside of the fixed block 17, a water pump is fixedly connected to the bottom of the water pipe 16, a nozzle 18 is fixedly connected to the top of the water pipe 16, and the nozzle 18 is located above the placement plate 2, the placement plate 2 is located inside the detection box 1, a first fixed bar 11 is fixedly connected to one side of the top of the placement plate 2, a second fixed bar 12 is fixedly connected to the other side of the top of the placement plate 2, a plurality of movable rods 14 are movably connected to the inside of the second fixed bar 12, one end of the movable rod 14 is fixedly connected to a movable block 13, a reset spring 15 is arranged on the outside of the movable rod 14, the bottom of the movable block 13 is fitted with the top of the placement plate 2, one end of the movable rod 14 is fixed to one side of the movable block 13, and the other end of the movable rod 14 is fixedly connected to one side of the second fixed bar 12;

[0024] When it is necessary to test the drainage strength of the roadbed specimen, first pull the movable block 13, the movable block 13 will drive the movable rod 14 to move, one end of the movable rod 14 will move inside the second fixing bar 12, compress the reset spring 15, and then place the roadbed specimen on the surface of the placement plate 2, and between the first fixing bar 11 and the movable block 13, and then release the movable block 13, the reset spring 15 will reset and extend, and the reset spring 15 will push the movable block 13 to move inward to clamp and fix the roadbed specimen. , so that the roadbed specimens of different sizes can be clamped and fixed, the box door 3 is closed to prevent water from splashing outside the box during the test, and then the water pump inside the detection box 1 is started, the water pump draws out the water in the detection box 1 and transports it to the nozzle 18 through the water pipe 16, and the nozzle 18 sprays the water onto the roadbed specimen, and the sprayed water flows on the roadbed specimen to one side of the fixing rod 7 and flows back to the inside of the detection box 1, and finally observe whether the roadbed specimen has runoff phenomenon, and complete the detection test of the drainage strength of the roadbed specimen;

[0025] Further, both sides of the detection box 1 are processed with slide grooves 9, and both sides of the detection box 1 are processed with multiple limit grooves 10. One side of the slide groove 9 is connected to the limit groove 10, and the interior of the limit groove 10 is contact-connected with a connecting column 5, and one end of the connecting column 5 is fixedly connected with a closing piece 8, and the inner side of the closing piece 8 fits with the inner wall of the detection box 1. The connecting column 5 is movably connected to the inside of the slide groove 9, and one end of the connecting column 5 is fixedly connected with a handle 4. The outer sides of the two slide grooves 9 are provided with a handle 4, and the other end of the connecting column 5 is fixedly connected with a support rod 6, and the top of the support rod 6 fits with the bottom of the placement plate 2;

[0026] When the angle of the placement plate 2 needs to be adjusted, the two handles 4 are held to move upward at the same time, and the handles 4 will drive the connecting column 5 to move upward, and the connecting column 5 will drive the support rod 6 to move upward, and the support rod 6 will drive one end of the placement plate 2 to move upward, and at the same time, the connecting column 5 is disengaged from the limiting groove 10 and enters the inside of the slide groove 9, and then the handle 4 drives the connecting column 5 to continue to move upward. When a certain height is reached, the handle 4 will drive the connecting column 5 to move toward the inside of the limiting groove 10, and place the connecting column 5 inside the limiting groove 10, so that the angle of the placement plate 2 can be adjusted by fixing the height of the support rod 6, and the operation is simple and convenient;

[0027] Furthermore, a fixing rod 7 is provided inside the detection box 1, and both ends of the fixing rod 7 are fixedly connected to both sides of the inner wall of the detection box 1 respectively. The fixing rod 7 is "L"-shaped, and one end of the placement plate 2 is located on the inner side of the fixing rod 7. When the connecting column 5 drives the support rod 6 to move upward, the support rod 6 will drive one end of the placement plate 2 to move upward, and the other end of the placement plate 2 will be located inside the fixing rod 7 and rotate, thereby adjusting the angle of the placement plate 2.

[0028] Working principle: when testing the roadbed specimen, first pull the movable block 13, the movable block 13 will drive one end of the movable rod 14 to move inside the second fixed bar 12, the reset spring 15 is compressed, and then the roadbed specimen is placed between the first fixed bar 11 and the movable block 13, and then release the movable block 13, the reset spring 15 will reset and extend, the reset spring 15 will push the movable block 13 to move inward to clamp and fix the roadbed specimen, close the box door 3, and then start the water pump inside the detection box 1, the water pump will pump out the water at the bottom of the detection box 1 and transport it to the nozzle 18 through the water pipe 16, the nozzle 18 will spray the water onto the roadbed specimen, the sprayed water flows on the roadbed specimen to one side of the fixed rod 7, and then flows back to the inside of the detection box 1, finally observe whether the roadbed specimen has runoff, and complete the detection test of the drainage strength of the roadbed specimen.

[0029] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A roadbed drainage strength detection device, comprising a detection box (1) and a placement plate (2), characterized in that: A box door (3) is provided on one side of the detection box (1); a fixed block (17) is fixedly connected to one side of the inner wall of the detection box (1); a water pipe (16) is fixedly connected to the interior of the fixed block (17); a water pump is fixedly connected to the bottom of the water pipe (16); a nozzle (18) is fixedly connected to the top of the water pipe (16); the nozzle (18) is located above a placement plate (2); the placement plate (2) is located inside the detection box (1); a first fixed bar (11) is fixedly connected to one side of the top of the placement plate (2); a second fixed bar (12) is fixedly connected to the other side of the top of the placement plate (2); a plurality of movable rods (14) are movably connected to the interior of the second fixed bar (12); one end of the movable rod (14) is fixedly connected to a movable block (13); a return spring (15) is arranged on the outside of the movable rod (14); and the bottom of the movable block (13) is in contact with the top of the placement plate (2).

2. A roadbed drainage strength detection device according to claim 1, characterized in that: One end of the movable rod (14) is fixed to one side of the movable block (13), and the other end of the movable rod (14) is fixedly connected to one side of the second fixing strip (12).

3. A roadbed drainage strength detection device according to claim 1, characterized in that: Two slide grooves (9) are machined on both sides of the detection box (1), and a plurality of limit grooves (10) are machined on both sides of the detection box (1), and one side of the slide groove (9) is connected to the limit groove (10).

4. A roadbed drainage strength detection device according to claim 3, characterized in that: The interior of the limiting groove (10) is contact-connected with a connecting column (5), the connecting column (5) is movably connected to the interior of the sliding groove (9), one end of the connecting column (5) is fixedly connected to a closing plate (8), and the inner side of the closing plate (8) is in contact with the inner wall of the detection box (1).

5. A roadbed drainage strength detection device according to claim 4, characterized in that: One end of the connecting column (5) is fixedly connected to a handle (4), and the outer sides of the two sliding grooves (9) are each provided with a handle (4). The other end of the connecting column (5) is fixedly connected to a support rod (6), and the top of the support rod (6) is in contact with the bottom of the placement plate (2).

6. A roadbed drainage strength detection device according to claim 1, characterized in that: A fixing rod (7) is provided inside the detection box (1), and two ends of the fixing rod (7) are respectively fixedly connected to two sides of the inner wall of the detection box (1).

7. A roadbed drainage strength detection device according to claim 6, characterized in that: The fixing rod (7) is L-shaped, and one end of the placement plate (2) is located on the inner side of the fixing rod (7).

Images