Quality detection device for asphalt pavement
By designing a quality testing device for asphalt pavement, the problem of drill barrel offset is solved by using a threaded rod and a spiral insert to keep the drill barrel vertical, thus improving the sampling accuracy.
Patent Information
- Application Number
- CN202423050964.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-11
Smart Images
Figure CN223727440U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road construction technical field, concretely is quality detection device for asphalt pavement. BACKGROUND
[0002] Drilling road surface core sample is an important technology in road surface quality detection, is usually used for determining the density, thickness and other physical and mechanical properties of road surface, through the vertical alignment of drill cylinder to the drilling position on the road surface, slowly press down the drill cylinder, make the drill bit contact the road surface and begin to drill core sample, be convenient for the detection personnel to accurately evaluate the strength grade of road, provide important basis for the evaluation and acceptance of engineering quality.
[0003] At present, in the process of sampling to the road surface, due to the complexity of road surface material, the drill cylinder is prone to uneven resistance when drilling down, thereby the drill cylinder is deviated, and further affect the accuracy of sampling result. Therefore the utility model provides a quality detection device for asphalt pavement. UTILITY MODEL CONTENT
[0004] The utility model discloses a quality detection device for asphalt pavement, to solve the problem in the background art.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a quality detection device for asphalt pavement, including the flat plate, the top of the flat plate is fixedly connected with two vertical rods, the top of two vertical rods is fixedly connected with the transverse plate, the bottom of transverse plate is rotatably connected with the threaded rod, the top of transverse plate is rotatably connected with the annular handle, the bottom of annular handle penetrates the lateral wall of transverse plate and is fixedly connected with the threaded rod, the outer lateral wall of two vertical rods is slidably connected with the lifting seat, the lifting seat is threadedly connected on the outer lateral wall of threaded rod, the outer lateral wall of lifting seat is fixedly connected with the fixed folding plate, the top of fixed folding plate is fixedly connected with motor, the bottom of fixed folding plate is rotatably connected with the drill cylinder, the output of motor penetrates the lateral wall of fixed folding plate and is fixedly connected with the drill cylinder, the top of flat plate is fixedly connected with four bottom cylinders that are central symmetry, the inside of bottom cylinder is slidably connected with telescopic folding rod, and the end close to four telescopic folding rods is fixedly connected with push rod, and the both ends of push rod are rotatably connected with the limiting ring.
[0006] Preferably, the side away from the fixed folding plate of the lifting seat is fixedly connected with the rear rod, the top of the flat plate is rotatably connected with the ring plate, the outer lateral wall of the ring plate is fixedly connected with the L rod, and the top end of the L rod is fixedly connected with the spiral insert.
[0007] Preferably, the end away from the lifting seat of the rear rod is rotatably connected with the extrusion ring.
[0008] Preferably, a group of air holes are formed in the outer lateral wall of the drill cylinder.
[0009] Preferably, the bottom of the flat plate is fixedly connected with four bottom wheels, and the top of the flat plate is fixedly connected with a push handle.
[0010] Preferably, the top of the flat plate is provided with four sliding grooves, the top of the ring plate is provided with four inclined grooves, and the vertical ends of the telescopic folding rods are sequentially penetrated through the sliding grooves and the inclined grooves.
[0011] Preferably, the telescopic folding rods and the bottom cylinders are fixedly connected with springs.
[0012] The quality detection device for asphalt pavement has the following beneficial effects:
[0013] The utility model discloses a quality detection device for asphalt pavement, which has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic diagram of the utility model;
[0015] Figure 2 It is the structure schematic diagram of air hole in the utility model;
[0016] Figure 3 It is the structure schematic diagram of telescopic folding rod in the utility model;
[0017] Figure 4 It is the structure schematic diagram of ring plate in the utility model.
[0018] In the drawing: 1, flat plate;11, vertical rod;12, horizontal plate;13, threaded rod;14, annular handle;2, lifting seat;21, fixed folding plate;22, motor;23, drill cylinder;24, bottom cylinder;25, telescopic folding rod;26, push rod;27, limit ring;3, rear rod;31, ring plate;32, L rod;33, spiral insert;4, air hole;5, bottom wheel;51, push handle;6, extrusion ring;7, inclined groove;71, sliding groove;8, spring. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.
[0020] Embodiment: Please refer toFigures 1-4 The utility model provides a kind of technical scheme: a quality detection device for asphalt pavement, including flat plate 1, the top of flat plate 1 is fixedly connected with two vertical rods 11, the top of two vertical rods 11 is fixedly connected with cross plate 12, the bottom of cross plate 12 is rotatably connected with threaded rod 13, the top of cross plate 12 is rotatably connected with annular handle 14, the bottom of annular handle 14 penetrates the side wall of cross plate 12 and is fixedly connected with threaded rod 13, the outer side wall of two vertical rods 11 is slidably sleeved with lifting seat 2, lifting seat 2 is threadedly sleeved on the outer side wall of threaded rod 13, the outer side wall of lifting seat 2 is fixedly connected with fixed folding plate 21, the top of fixed folding plate 21 is fixedly connected with motor 22, the bottom of fixed folding plate 21 is rotatably connected with drill cylinder 23, the output of motor 22 penetrates the side wall of fixed folding plate 21 and is fixedly connected with drill cylinder 23, the top of flat plate 1 is fixedly connected with four bottom cylinders 24 that are central symmetry, the inside of bottom cylinder 24 is slidably connected with telescopic folding rod 25, the end of four telescopic folding rods 25 close to each other is fixedly connected with push rod 26, and the two ends of push rod 26 are rotatably sleeved with limit ring 27.
[0021] Lifting seat 2 is fixedly connected with rear rod 3 on the side away from fixed folding plate 21, the top of flat plate 1 is rotatably connected with ring plate 31, the outer side wall of ring plate 31 is fixedly connected with L rod 32, and the top of L rod 32 is fixedly connected with spiral insert 33.By being provided with spiral insert 33, in the process that lifting seat 2 moves downward, lifting seat 2 drives rear rod 3 on its outer side to move downward, rear rod 3 extrudes spiral insert 33 downward, and under the action of the spiral end of spiral insert 33, rear rod 3 drives L rod 32 and ring plate 31 on its bottom to rotate through spiral insert 33.
[0022] The end of rear rod 3 away from lifting seat 2 is rotatably sleeved with extrusion ring 6, by being provided with extrusion ring 6, rear rod 3 extrudes spiral insert 33 to rotate through extrusion ring 6, the frictional resistance between rear rod 3 and spiral insert 33 is reduced, thereby reducing the abrasion of rear rod 3 and prolonging the service life of rear rod 3.
[0023] A group of air holes 4 are formed in the outer side wall of drill cylinder 23, by being provided with a group of air holes 4, in the process that drill cylinder 23 samples by drilling downward to road surface, the gas in the inside of drill cylinder 23 is discharged to the outside of drill cylinder 23 through a group of air holes 4, so as to adjust the gas pressure in the inside of drill cylinder 23, prevent the pressure in the inside of drill cylinder 23 from being too large to affect the drilling process of drill cylinder 23.
[0024] The bottom of flat plate 1 is fixedly connected with four bottom wheels 5, and the top of flat plate 1 is fixedly connected with push handle 51, by being provided with bottom wheel 5 and push handle 51, it is convenient for staff to control flat plate 1 to move above road surface, so as to adjust the sampling position of drill cylinder 23.
[0025] The top of the flat plate 1 is provided with four sliding grooves 71, and the top of the ring plate 31 is provided with four inclined grooves 7, and the vertical ends of the telescopic folding rods 25 are sequentially penetrated through the sliding grooves 71 and the inclined grooves 7, and the vertical ends of the telescopic folding rods 25 are slidingly connected in the sliding grooves 71 and the inclined grooves 7 by the sliding grooves 71 and the inclined grooves 7, so that the inclined grooves 7 and the sliding grooves 71 jointly limit the telescopic folding rods 25.
[0026] The springs 8 are fixedly connected between the telescopic folding rods 25 and the bottom barrels 24, and the springs 8 pull the telescopic folding rods 25 to slide along the inner walls of the bottom barrels 24 under the elastic effect of the springs 8, and the telescopic folding rods 25 drive the limiting rings 27 to separate from the drill barrels 23 through the push rods 26, so as to facilitate the staff to collect and detect the core samples in the drill barrels 23.
[0027] Working principle: the motor 22 drives the drill barrel 23 to rotate at the bottom of the fixed folding plate 21 through the output end, the annular handle 14 drives the threaded rod 13 to rotate below the horizontal plate 12 by rotating above the horizontal plate 12, the threaded rod 13 drives the lifting seat 2 outside to slide downward along the vertical rod 11 under the limiting effect of the two vertical rods 11, so that the lifting seat 2 drives the fixed folding plate 21 to move downward, the fixed folding plate 21 drives the drill barrel 23 at the bottom to move downward, and the lifting seat 2 drives the rear rod 3 outside to move downward, the rear rod 3 drives the extrusion ring 6 outside to move downward, the bottom end of the drill barrel 23 passes through the flat plate 1 downward, the rear rod 3 extrudes the spiral insert 33 downward through the extrusion ring 6 outside, so that the spiral insert 33 drives the L-shaped rod 32 and the ring plate 31 at the bottom to rotate, the ring plate 31 drives the four inclined grooves 7 to rotate, and the ring plate 31 drives the four telescopic folding rods 25 to slide along the sliding grooves 71 to the drill barrel 23 under the common limiting effect of the inclined grooves 7 and the sliding grooves 71, the telescopic folding rods 25 push the upper and lower two groups of limiting rings 27 to clamp outside the drill barrel 23 through the push rods 26, the rear rod 3 is slidingly connected with the vertical end of the spiral insert 33 through the extrusion ring 6, the limiting of the spiral insert 33, the L-shaped rod 32 and the ring plate 31 is completed, so that the positions of the upper and lower two groups of limiting rings 27 are fixed, and then the bottom end of the drill barrel 23 is always drilled vertically downward, so that the drill barrel 23 is prevented from deviating, and the accuracy of the drill barrel 23 in drilling the core sample is improved.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A quality detection device for asphalt pavement, comprising a flat plate (1), characterized in that, The top of the flat plate (1) is fixedly connected with two vertical rods (11), the top of the two vertical rods (11) is fixedly connected with a horizontal plate (12), the bottom of the horizontal plate (12) is rotatably connected with a threaded rod (13), the top of the horizontal plate (12) is rotatably connected with an annular handle (14), the bottom end of the annular handle (14) penetrates the side wall of the horizontal plate (12) and is fixedly connected with the threaded rod (13), the outer side wall of the two vertical rods (11) is slidably sleeved with a lifting seat (2), the lifting seat (2) is threadedly sleeved on the outer side wall of the threaded rod (13), the outer side wall of the lifting seat (2) is fixedly connected with a fixed folding plate (21), the top of the fixed folding plate (21) is fixedly connected with a motor (22), the bottom of the fixed folding plate (21) is rotatably connected with a drill cylinder (23), the output end of the motor (22) penetrates the side wall of the fixed folding plate (21) and is fixedly connected with the drill cylinder (23), the top of the flat plate (1) is fixedly connected with four bottom cylinders (24) which are centrally symmetric, the inside of the bottom cylinder (24) is slidably connected with a telescopic folding rod (25), one end of the four telescopic folding rods (25) close to each other is fixedly connected with a push rod (26), both ends of the push rod (26) are rotatably sleeved with a limiting ring (27).
2. The quality detection device for asphalt pavement according to claim 1, characterized in that, The side of the lifting seat (2) away from the fixed folding plate (21) is fixedly connected with a rear rod (3), the top of the flat plate (1) is rotatably connected with a ring plate (31), the outer side wall of the ring plate (31) is fixedly connected with an L rod (32), the top end of the L rod (32) is fixedly connected with a spiral insert (33).
3. The quality detection device for asphalt pavement according to claim 2, characterized in that, The end of the rear rod (3) away from the lifting seat (2) is rotatably sleeved with a pressing ring (6).
4. The quality detection device for asphalt pavement according to claim 1, characterized in that, A group of air holes (4) are formed in the outer side wall of the drill cylinder (23).
5. The quality detection device for asphalt pavement according to claim 1, characterized in that, The bottom of the flat plate (1) is fixedly connected with four bottom wheels (5), the top of the flat plate (1) is fixedly connected with a push handle (51).
6. The quality detection device for asphalt pavement according to claim 2, characterized in that, The top of the flat plate (1) is provided with four sliding grooves (71), the top of the ring plate (31) is provided with four inclined grooves (7), the vertical end of the telescopic folding rod (25) penetrates the sliding groove (71) and the inclined groove (7) in sequence.
7. The quality detection device for asphalt pavement according to claim 1, characterized in that, The telescopic folding rod (25) and the bottom cylinder (24) are fixedly connected with a spring (8).