Sampling method for road engineering quality detection

Abstract

The invention discloses a sampling method for road engineering quality detection, and relates to the field of road detection.The sampling method comprises a U-shaped bottom plate, the top of the U-shaped bottom plate is connected with a supporting plate, the top of the supporting plate is connected with a top plate, a lead screw is connected between the top plate and the U-shaped bottom plate, the top of the top plate is connected with a first motor, and the output end of the first motor is connected with the top end of the lead screw; the outer wall of the lead screw is connected with a moving block, the bottom of the moving block is connected with a fixed rod, and the other end of the fixed rod is connected with a moving seat. A second bevel gear rotates anticlockwise, so that a sampling drill bit is rotated to the rear side and corresponds to a sampling rod, the sampling drill bit continues to be lifted upwards, and then the sampling rod can stretch into the sampling drill bit through a through hole in a second end face gear to extrude a core sample in the sampling drill bit; and on the contrary, the second bevel gear rotates clockwise, and the sampling drill bit can be moved to the front side again to continue sampling.

Description

Technical Field

[0001] The invention relates to the field of road detection, and in particular to a sampling method for road engineering quality detection. Background Art

[0002] Road engineering refers to the entire process of planning, design, construction, maintenance and management of roads as the object and the engineering entity involved. In order to ensure the quality of road engineering, a road engineering inspection sampling device can often be used to take coring samples from roads during road construction. The core samples taken are measured to determine whether the composition and thickness of each structural layer of the road meet the specifications, such as testing the thickness of the concrete layer and asphalt layer.

[0003] At present, when sampling is carried out on the road, the core sample taken out by the drill barrel will remain in it, and manual labor is required to take out the core sample in the drill barrel. In addition, if the core sample fits tightly to the inner wall of the drill barrel, manual sampling is inconvenient, and the core sample is easily damaged during the sampling process, which will affect the subsequent core sample detection.

[0004] Therefore, it is necessary to invent a sampling method for road engineering quality detection to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a sampling method for road engineering quality inspection to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sampling method for road engineering quality inspection, comprising a U-shaped bottom plate, a support plate is connected to the top of the U-shaped bottom plate, a top plate is connected to the top of the support plate, a screw is connected between the top plate and the U-shaped bottom plate, a first motor is connected to the top of the top plate, an output end of the first motor is connected to the top of the screw, a moving block is connected to the outer wall of the screw, a fixed rod is connected to the bottom of the moving block, a moving seat is connected to the other end of the fixed rod, a sliding rod corresponding to the moving seat is connected to the top of the U-shaped bottom plate, a rotating cylinder is connected to the inside of the moving seat through a bearing, a rotating plate is connected to the outer wall of the rotating cylinder, a sampling drill bit is arranged at the bottom of the rotating plate, a driving assembly corresponding to the sampling drill bit is arranged at the top of the moving seat, a coring assembly is arranged at the bottom of the moving seat, and a protective flushing assembly is arranged at the top of the U-shaped bottom plate.

[0007] Preferably, the driving assembly includes an electric telescopic rod connected to the top of the moving seat, the bottom of the electric telescopic rod passes through the moving seat and is connected to a push plate, the bottom of the push plate is connected to a second motor, the output end of the second motor is connected to a first end face gear, the top of the sampling drill bit is connected to a first annular clamping plate, the top of the rotating plate is provided with a clamping groove corresponding to the first annular clamping plate, and the second end face gear is connected inside the first annular clamping plate.

[0008] Preferably, two limiting rods are connected inside the pushing plate, and limiting holes corresponding to the limiting rods are provided on the surfaces of the moving seat and the rotating plate.

[0009] Preferably, the coring assembly includes a connecting plate connected to the bottom of the movable seat, the side wall of the connecting plate is connected to the first rotating shaft and the second rotating shaft, the outer wall of the first rotating shaft is connected to the transmission gear and the first pulley, the top of the U-shaped bottom plate is connected to a fixed plate, the side wall of the fixed plate is connected to a rack, the outer wall of the second rotating shaft is connected to the second pulley and the first bevel gear, a transmission belt is connected between the second pulley and the first pulley, the outer wall of the rotating cylinder is connected to the second bevel gear, the first bevel gear is meshed with the second bevel gear, the bottom of the top plate is connected to a sampling rod, and the surface of the second end face gear is provided with a through hole corresponding to the sampling rod.

[0010] Preferably, a second annular clamping plate is connected to the top of the rotating cylinder.

[0011] Preferably, the protective flushing assembly includes a protective cover connected to the U-shaped bottom plate, the top of the protective cover is provided with an extension port corresponding to the sampling drill bit, the top of the U-shaped bottom plate is connected to a water tank, the side wall of the water tank is connected to a pump, the output end of the pump is connected to a shunt pipe, the side wall of the shunt pipe is connected to two water pipes, the two water pipes are respectively connected to the left and right sides of the protective cover, and the other end of the water pipe is connected to a nozzle.

[0012] Preferably, the four bottom corners of the U-shaped bottom plate are connected with universal wheels, and brake pads are provided on the universal wheels.

[0013] Preferably, the method comprises the following steps:

[0014] S1: Move the road sampling device to a designated position, drive the screw to rotate by using a first motor, the screw drives the moving block to move when rotating, the moving block drives the moving seat to move through the fixed rod, the moving seat pulls the rotating cylinder and the driving assembly, the rotating cylinder pulls the rotating plate, and the rotating plate pulls the sampling drill bit to contact the road;

[0015] S2: By using the electric telescopic rod to push the pushing plate, the pushing plate pushes the second motor, the second motor pushes the first end face gear, so that the first end face gear is meshed with the second end face gear, the second motor is used to drive the first end face gear to rotate, the first end face gear drives the second end face gear to rotate, and the second end face gear drives the sampling drill bit to rotate, so that the sampling assembly can be used to sample the road;

[0016] S3: After the sampling is completed, the sampling drill bit is lifted upward. When the transmission gear is meshed with the rack, the transmission gear will roll on the rack when moving upward, so the transmission gear drives the first shaft to rotate, the first shaft drives the first pulley to rotate, the first pulley drives the second pulley to rotate through the transmission belt, the second pulley drives the second shaft to rotate, the second shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate counterclockwise, the second bevel gear drives the rotating cylinder to rotate, the rotating cylinder drives the rotating plate to rotate, the rotating plate drives the sampling drill bit to rotate, the sampling drill bit is rotated to the rear side and corresponds to the sampling rod, and the sampling drill bit is continuously lifted upward, so that the sampling rod can extend into the sampling drill bit through the through hole on the second end face gear, and the core sample in the sampling drill bit is squeezed, so that the core sample can fall into the collection box for collection, on the contrary, the second bevel gear is rotated clockwise, and the sampling drill bit can be moved to the front side again to continue sampling;

[0017] S4: During the sampling process, water is pumped from the water tank by using a pump and transported to the diversion pipe, then enters the two water pipes through the diversion pipe, and enters the nozzle in the protective cover through the water pipe. The water is then sprayed out by the nozzle to spray water at the sampling position of the sampling drill bit, thereby avoiding damage to the sampling drill bit;

[0018] S5: Move the sampling device to the next sampling point and repeat the above steps.

[0019] Technical effects and advantages of the present invention:

[0020] By lifting the sampling drill bit upward, when the transmission gear is meshed with the rack, the transmission gear will roll on the rack when moving upward, so the transmission gear drives the first rotating shaft to rotate, the first rotating shaft drives the first pulley to rotate, the first pulley drives the second pulley to rotate through the transmission belt, the second pulley drives the second rotating shaft to rotate, the second rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate counterclockwise, the second bevel gear drives the rotating cylinder to rotate, the rotating cylinder drives the rotating plate to rotate, the rotating plate drives the sampling drill bit to rotate, the sampling drill bit is rotated to the rear side and corresponds to the sampling rod, and the sampling drill bit is continuously lifted upward, so that the sampling rod can extend into the sampling drill bit through the through hole on the second end face gear, and the core sample in the sampling drill bit can be squeezed, so that the core sample can fall into the collecting box for collection, conversely, the second bevel gear is rotated clockwise, and the sampling drill bit can be moved to the front side again to continue sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 A side view structural schematic diagram of;

[0023] Figure 3 For the present invention Figure 1 AA section structural diagram;

[0024] Figure 4 For the present invention Figure 1 BB-direction cross-sectional structural diagram;

[0025] Figure 5 For the present invention Figure 3 Schematic diagram of the enlarged structure of part C;

[0026] Figure 6 For the present invention Figure 3 A schematic diagram of the enlarged structure of part D;

[0027] Figure 7 For the present invention Figure 4 A schematic diagram of the enlarged structure of part E;

[0028] Figure 8 Schematic diagram of the sampling method of the present invention.

[0029] In the figure: 1, U-shaped bottom plate; 2, support plate; 3, top plate; 4, screw rod; 5, first motor; 6, moving block; 7, driving assembly; 71, electric telescopic rod; 72, push plate; 73, second motor; 74, first end face gear; 75, first annular clamping plate; 76, second end face gear; 8, coring assembly; 81, connecting plate; 82, first rotating shaft; 83, second rotating shaft; 84, transmission gear; 85, first pulley; 86, fixing plate; 87, rack ; 88. Second pulley; 89. First bevel gear; 810. Drive belt; 811. Second bevel gear; 812. Sampling rod; 9. Protective flushing assembly; 91. Protective cover; 92. Water tank; 93. Pump; 94. Diverter pipe; 95. Water pipe; 96. Sprinkler; 10. Fixed rod; 11. Moving seat; 12. Sliding rod; 13. Rotating cylinder; 14. Rotating plate; 15. Sampling drill bit; 16. Limit rod; 17. Second annular clamping plate; 18. Universal wheel. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] The present invention provides Figure 1-8 A sampling method for road engineering quality inspection is shown, comprising a U-shaped bottom plate 1, a support plate 2 is connected to the top of the U-shaped bottom plate 1, a top plate 3 is connected to the top of the support plate 2, a screw rod 4 is connected between the top plate 3 and the U-shaped bottom plate 1, a first motor 5 is connected to the top of the top plate 3, the output end of the first motor 5 is connected to the top of the screw rod 4, a moving block 6 is connected to the outer wall of the screw rod 4, a fixed rod 10 is connected to the bottom of the moving block 6, a moving seat 11 is connected to the other end of the fixed rod 10, a sliding rod 12 corresponding to the moving seat 11 is connected to the top of the U-shaped bottom plate 1, a rotating cylinder 13 is connected to the inside of the moving seat 11 through a bearing, a rotating plate 14 is connected to the outer wall of the rotating cylinder 13, a sampling drill bit 15 is arranged at the bottom of the rotating plate 14, a driving assembly 7 corresponding to the sampling drill bit 15 is arranged at the top of the moving seat 11, a coring assembly 8 is arranged at the bottom of the moving seat 11, and a protective flushing assembly 9 is arranged at the top of the U-shaped bottom plate 1.

[0032] The driving assembly 7 includes an electric telescopic rod 71 connected to the top of the moving seat 11, the bottom of the electric telescopic rod 71 passes through the moving seat 11 and is connected to a push plate 72, the bottom of the push plate 72 is connected to a second motor 73, the output end of the second motor 73 is connected to a first end face gear 74, the top of the sampling drill bit 15 is connected to a first annular clamping plate 75, the top of the rotating plate 14 is provided with a clamping groove corresponding to the first annular clamping plate 75, and the first annular clamping plate 75 is connected to a second end face gear 76.

[0033] Two limiting rods 16 are connected inside the pushing plate 72 , and limiting holes corresponding to the limiting rods 16 are formed on the surfaces of the moving seat 11 and the rotating plate 14 .

[0034] The coring assembly 8 includes a connecting plate 81 connected to the bottom of the movable seat 11, the side wall of the connecting plate 81 is connected to the first rotating shaft 82 and the second rotating shaft 83, the outer wall of the first rotating shaft 82 is connected to the transmission gear 84 and the first pulley 85, the top of the U-shaped bottom plate 1 is connected to the fixing plate 86, the side wall of the fixing plate 86 is connected to the rack 87, the outer wall of the second rotating shaft 83 is connected to the second pulley 88 and the first bevel gear 89, a transmission belt 810 is connected between the second pulley 88 and the first pulley 85, the outer wall of the rotating cylinder 13 is connected to the second bevel gear 811, the first bevel gear 89 is meshed with the second bevel gear 811, the bottom of the top plate 3 is connected to the sampling rod 812, and the surface of the second end face gear 76 is provided with a through hole corresponding to the sampling rod 812.

[0035] A second annular clamping plate 17 is connected to the top of the rotating cylinder 13 .

[0036] The protective flushing assembly 9 includes a protective cover 91 connected to the U-shaped bottom plate 1, and an extension port corresponding to the sampling drill bit 15 is opened on the top of the protective cover 91. A water tank 92 is connected to the top of the U-shaped bottom plate 1, and a pump 93 is connected to the side wall of the water tank 92. The output end of the pump 93 is connected to a shunt pipe 94, and the side wall of the shunt pipe 94 is connected to two water pipes 95. The two water pipes 95 are respectively connected to the left and right sides of the protective cover 91, and the other end of the water pipe 95 is connected to a nozzle 96.

[0037] Universal wheels 18 are connected to the four corners of the bottom of the U-shaped bottom plate 1, and brake pads are arranged on the universal wheels 18.

[0038] A sampling method for road engineering quality detection comprises the following steps:

[0039] S1: Move the road sampling device to a designated position, and use the first motor 5 to drive the screw 4 to rotate. The screw 4 drives the moving block 6 to move when rotating. The moving block 6 drives the moving seat 11 to move through the fixed rod 10. The moving seat 11 pulls the rotating cylinder 13 and the driving assembly 7. The rotating cylinder 13 pulls the rotating plate 14. The rotating plate 14 pulls the sampling drill 15 to contact the road.

[0040] S2: By using the electric telescopic rod 71 to push the push plate 72, the push plate 72 pushes the second motor 73, the second motor 73 pushes the first end face gear 74, so that the first end face gear 74 is meshed with the second end face gear 76, the first end face gear 74 is driven to rotate by the second motor 73, the first end face gear 74 drives the second end face gear 76 to rotate, and the second end face gear 76 drives the sampling drill bit 15 to rotate, so that the sampling drill bit 15 can be used to sample the road;

[0041] S3: After the sampling is completed, the sampling drill bit 15 is lifted upward. When the transmission gear 84 is meshed with the rack 87, the transmission gear 84 rolls on the rack 87 when moving upward, so the transmission gear 84 drives the first shaft 82 to rotate, the first shaft 82 drives the first pulley 85 to rotate, the first pulley 85 drives the second pulley 88 to rotate through the transmission belt 810, the second pulley 88 drives the second shaft 83 to rotate, the second shaft 83 drives the first bevel gear 89 to rotate, the first bevel gear 89 drives the second bevel gear 811 to rotate counterclockwise, and the second bevel gear 811 drives the rotating cylinder 13 to rotate, the rotating cylinder 13 drives the rotating plate 14 to rotate, the rotating plate 14 drives the sampling drill bit 15 to rotate, the sampling drill bit 15 is rotated to the rear side and corresponds to the sampling rod 812, and the sampling drill bit 15 is continuously lifted upward, so that the sampling rod 812 can extend into the sampling drill bit 15 through the through hole on the second end face gear 76, and the core sample in the sampling drill bit 15 is squeezed, so that the core sample falls into the collection box for collection, and vice versa, the second bevel gear 811 is rotated clockwise, and the sampling drill bit 15 can be moved to the front side again to continue sampling;

[0042] S4: During the sampling process, water is extracted from the water tank 92 by using a pump 93 and transported to the shunt pipe 94, and then enters the two water pipes 95 through the shunt pipe 94, and enters the nozzle 96 in the protective cover 91 through the water pipe 95, and then the water is sprayed out by the nozzle 96, so that the sampling position of the sampling drill bit 15 can be sprayed with water, thereby avoiding damage to the sampling drill bit 15;

[0043] S5: Move the sampling device to the next sampling point and repeat the above steps.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sampling method for road engineering quality detection, characterized in that: It includes a U-shaped bottom plate, the top of the U-shaped bottom plate is connected to a support plate, the top of the support plate is connected to a top plate, a screw rod is connected between the top plate and the U-shaped bottom plate, the top of the top plate is connected to a first motor, the output end of the first motor is connected to the top of the screw rod, the outer wall of the screw rod is connected to a moving block, the bottom of the moving block is connected to a fixed rod, the other end of the fixed rod is connected to a moving seat, the top of the U-shaped bottom plate is connected to a sliding rod corresponding to the moving seat, a rotating cylinder is connected to the moving seat through a bearing, the outer wall of the rotating cylinder is connected to a rotating plate, a sampling drill bit is arranged at the bottom of the rotating plate, a driving assembly corresponding to the sampling drill bit is arranged at the top of the moving seat, a coring assembly is arranged at the bottom of the moving seat, and a protective flushing assembly is arranged at the top of the U-shaped bottom plate.

2. A sampling method for road engineering quality detection according to claim 1, characterized in that: The driving assembly includes an electric telescopic rod connected to the top of the moving seat, the bottom of the electric telescopic rod passes through the moving seat and is connected to a push plate, the bottom of the push plate is connected to a second motor, the output end of the second motor is connected to a first end face gear, the top of the sampling drill bit is connected to a first annular clamping plate, the top of the rotating plate is provided with a clamping groove corresponding to the first annular clamping plate, and the first annular clamping plate is connected to the second end face gear.

3. A sampling method for road engineering quality detection according to claim 2, characterized in that: Two limiting rods are connected inside the pushing plate, and limiting holes corresponding to the limiting rods are provided on the surfaces of the moving seat and the rotating plate.

4. A sampling method for road engineering quality detection according to claim 3, characterized in that: The coring assembly includes a connecting plate connected to the bottom of the movable seat, the side wall of the connecting plate is connected to the first rotating shaft and the second rotating shaft, the outer wall of the first rotating shaft is connected to the transmission gear and the first pulley, the top of the U-shaped bottom plate is connected to a fixed plate, the side wall of the fixed plate is connected to a rack, the outer wall of the second rotating shaft is connected to the second pulley and the first bevel gear, a transmission belt is connected between the second pulley and the first pulley, the outer wall of the rotating cylinder is connected to the second bevel gear, the first bevel gear is meshed with the second bevel gear, the bottom of the top plate is connected to a sampling rod, and the surface of the second end face gear is provided with a through hole corresponding to the sampling rod.

5. A sampling method for road engineering quality detection according to claim 4, characterized in that: The top of the rotating cylinder is connected with a second annular clamping plate.

6. A sampling method for road engineering quality detection according to claim 5, characterized in that: The protective flushing assembly includes a protective cover connected to the U-shaped bottom plate, the top of the protective cover is provided with an extension port corresponding to the sampling drill bit, the top of the U-shaped bottom plate is connected to a water tank, the side wall of the water tank is connected to a pump, the output end of the pump is connected to a shunt pipe, the side wall of the shunt pipe is connected to two water pipes, the two water pipes are respectively connected to the left and right sides of the protective cover, and the other end of the water pipe is connected to a nozzle.

7. A sampling method for road engineering quality detection according to claim 6, characterized in that: The four corners of the bottom of the U-shaped bottom plate are all connected with universal wheels, and brake pads are arranged on the universal wheels.

8. A sampling method for road engineering quality detection according to claims 1-7, characterized in that: The steps include: S1: Move the road sampling device to a designated position, drive the screw to rotate by using a first motor, the screw drives the moving block to move when rotating, the moving block drives the moving seat to move through the fixed rod, the moving seat pulls the rotating cylinder and the driving assembly, the rotating cylinder pulls the rotating plate, and the rotating plate pulls the sampling drill bit to contact the road; S2: By using the electric telescopic rod to push the pushing plate, the pushing plate pushes the second motor, the second motor pushes the first end face gear, so that the first end face gear is meshed with the second end face gear, the second motor is used to drive the first end face gear to rotate, the first end face gear drives the second end face gear to rotate, and the second end face gear drives the sampling drill bit to rotate, so that the sampling assembly can be used to sample the road; S3: After the sampling is completed, the sampling drill bit is lifted upward. When the transmission gear is meshed with the rack, the transmission gear will roll on the rack when moving upward, so the transmission gear drives the first shaft to rotate, the first shaft drives the first pulley to rotate, the first pulley drives the second pulley to rotate through the transmission belt, the second pulley drives the second shaft to rotate, the second shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate counterclockwise, the second bevel gear drives the rotating cylinder to rotate, the rotating cylinder drives the rotating plate to rotate, the rotating plate drives the sampling drill bit to rotate, the sampling drill bit is rotated to the rear side and corresponds to the sampling rod, and the sampling drill bit is continuously lifted upward, so that the sampling rod can extend into the sampling drill bit through the through hole on the second end face gear, and the core sample in the sampling drill bit is squeezed, so that the core sample can fall into the collection box for collection, on the contrary, the second bevel gear is rotated clockwise, and the sampling drill bit can be moved to the front side again to continue sampling; S4: During the sampling process, water is pumped from the water tank by using a pump and transported to the diversion pipe, then enters the two water pipes through the diversion pipe, and enters the nozzle in the protective cover through the water pipe. The water is then sprayed out by the nozzle to spray water at the sampling position of the sampling drill bit, thereby avoiding damage to the sampling drill bit; S5: Move the sampling device to the next sampling point and repeat the above steps.

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