CN217033084U - Sampling device is used in research of asphalt concrete road surface layer - Google Patents
Sampling device is used in research of asphalt concrete road surface layer Download PDFInfo
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- CN217033084U CN217033084U CN202122354106.XU CN202122354106U CN217033084U CN 217033084 U CN217033084 U CN 217033084U CN 202122354106 U CN202122354106 U CN 202122354106U CN 217033084 U CN217033084 U CN 217033084U
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- hole
- shaft
- inner shaft
- workbench
- rotatably connected
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- 238000005070 sampling Methods 0.000 title claims abstract description 32
- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 13
- 239000002344 surface layer Substances 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000005553 drilling Methods 0.000 claims abstract description 11
- 239000004567 concrete Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005056 compaction Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sampling device for researching a bituminous concrete pavement surface layer, and belongs to the field of pavement sampling. The utility model provides an asphalt concrete pavement surface course research is with sampling device, includes: the drill comprises a workbench, a drill cylinder and an inner shaft; the workbench is fixedly provided with a lifting mechanism; the lifting mechanism is provided with a first motor; the first motor is connected with the inner shaft; the inner shaft is rotatably connected inside the drill cylinder; cutting blocks are uniformly distributed on the circumference of one side of the drilling cylinder, which is far away from the workbench; the drill cylinder is provided with through holes between the cutting blocks; one side of the inner shaft, which is close to the through hole, is provided with a connecting hole, a middle hole and a placing hole in sequence; the connecting hole, the middle hole and the placing hole are communicated; compared with the prior art, the sampling device for the research of the asphalt concrete pavement surface layer can avoid the sample to fall off in the drill hole by arranging the sampling assembly.
Description
Technical Field
The utility model relates to the field of pavement sampling, in particular to a sampling device for researching a bituminous concrete pavement layer.
Background
At present, the quality of a highway subgrade base layer has very important influence on the strength, rigidity, flatness and the like of the whole pavement structure, so that the compaction quality of the highway subgrade is one of important internal indexes in the management of working medium construction of road engineering, the density condition after on-site compaction is represented, and the higher the compaction degree is, the higher the density is, the better the overall performance of the material is.
However, in the process of cutting the pavement by the sampling drill cylinder, the concrete sample block cut by the sampling drill cylinder is retained in the drilled hole under the action of self gravity, so that an operator is difficult to take out the concrete sample block from the drilled hole, and inconvenience is brought to sampling work; in addition, loose places exist at the bottoms of some road surfaces, and the samples fall off in the sampling process; therefore, the sampling device for researching the asphalt concrete pavement is provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a sampling device for researching an asphalt concrete pavement layer.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides an asphalt concrete pavement surface course research is with sampling device, includes: the device comprises a workbench, a drill cylinder and an inner shaft;
the workbench is fixedly provided with a lifting mechanism; the lifting mechanism is provided with a first motor; the first motor is connected with the inner shaft; the inner shaft is rotatably connected inside the drill cylinder; cutting blocks are uniformly distributed on the circumference of one side of the drilling cylinder, which is far away from the workbench; the drill cylinder is provided with through holes between the cutting blocks; one side of the inner shaft close to the through hole is sequentially provided with a connecting hole, a middle hole and a placing hole; the connecting hole, the middle hole and the placing hole are communicated; the connecting hole is communicated with the through hole; a detachable drill bit is fixedly arranged at the through hole; one side of the middle hole close to the drill bit is rotatably connected with two limiting shafts; the limiting shafts are fixedly provided with limiting plates; the limiting plate is connected with the middle hole through a cloth baffle; the middle hole is rotatably connected with an intermediate shaft between the limiting shafts; the middle shaft and the limiting shaft are in transmission through bevel gears; one side of the inner shaft, which is close to the intermediate shaft in the radial direction, is rotatably connected with a connecting shaft; the connecting shaft and the middle shaft are in transmission through bevel gears; the connecting shaft is detachably and fixedly provided with a bevel gear between the inner shaft and the drill barrel; an arc-shaped tooth block is fixedly arranged on one side, close to the bevel gear, of the drill cylinder; the arc tooth block is matched with the bevel gear; the inner shaft is provided with stop blocks at two sides of the arc tooth block; one side of the inner shaft close to the placing hole is provided with a transmission hole; a mounting door is detachably and fixedly mounted on one side, close to the transmission hole, of the drilling barrel; the inside of placing the hole is provided with the sampling tube.
Further, the lifting mechanism comprises a fixed frame, a screw rod and a fixed plate; the fixed frame is fixedly installed with the workbench; the fixed frame is rotationally connected with two screw rods; the screw rods are connected through a chain; one screw is connected with a second motor; the fixed plate is in threaded connection with the screw; the first motor is arranged on the fixing plate; the fixed plate is rotationally connected with the inner shaft; the inner shaft and the first motor are in transmission through bevel gears.
Furthermore, the workbench is symmetrically and rotatably connected with a balancing weight; the upper end of the counter weight block of the workbench is rotatably connected with a rotating shaft; the rotating shaft is fixedly provided with a rotating wheel; the rotating wheel is connected with the balancing weight through a steel wire rope; the workbench is rotatably connected with two rotating shafts between the rotating shafts; the rotating shafts are respectively in transmission with the adjacent rotating shafts through bevel gears; the workbench is rotatably connected with a manual shaft between the rotating shafts; the manual shaft and the two rotating shafts are driven by bevel gears.
Furthermore, the inner shaft is fixedly provided with an elastic cancellation; the drill cylinder is provided with a groove; the elastic cancellation is pressed against the groove.
Further, a storage cabinet is arranged at the lower end of the workbench.
The utility model has the beneficial effects that:
the sampling device for researching the asphalt concrete pavement surface layer can avoid the sample from falling in the drilled hole by arranging the sampling assembly.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present application;
FIG. 2 is a schematic view of a drill barrel of the present application;
FIG. 3 is a partial schematic view of a drill barrel of the present application;
FIG. 4 is a schematic view of a portion of the drill barrel of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the utility model.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The utility model provides an asphalt concrete pavement surface layer is sampling device for research, includes: a workbench 1, a drill barrel 3 and an inner shaft 2;
the worktable 1 is fixedly provided with a lifting mechanism; the lifting mechanism is provided with a first motor; the first motor is connected with the inner shaft 2; an inner shaft 2 is rotatably connected inside the drill cylinder 3; cutting blocks 4 are uniformly distributed on the circumference of one side of the drilling barrel 3 away from the workbench 1; the drill cylinder 3 is provided with through holes between the cutting blocks 4; one side of the inner shaft 2 close to the through hole is sequentially provided with a connecting hole, a middle hole and a placing hole 12; the connecting hole, the middle hole and the placing hole 12 are communicated; the connecting hole is communicated with the through hole; a detachable drill bit 5 is fixedly arranged at the through hole; one side of the middle hole close to the drill 5 is rotatably connected with two limiting shafts; the limiting shafts are fixedly provided with limiting plates 6; the limiting plate 6 is connected with the middle hole through blocking cloth; the middle hole is rotatably connected with an intermediate shaft 7 between the limiting shafts; the intermediate shaft 7 and the limiting shaft are driven by a bevel gear; one side of the inner shaft 2 close to the intermediate shaft 7 in the radial direction is rotatably connected with a connecting shaft 8; the connecting shaft 8 and the intermediate shaft 7 are driven by a bevel gear; a bevel gear 9 is detachably and fixedly arranged between the inner shaft 2 and the drill barrel 3 by the connecting shaft 8; an arc-shaped tooth block 10 is fixedly arranged on one side of the drill barrel 3 close to the bevel gear 9; the arc tooth block 10 is matched with the bevel gear 9; the inner shaft 2 is provided with stop blocks 11 at two sides of the arc tooth block 10; one side of the inner shaft 2 close to the placing hole 12 is provided with a transmission hole; a mounting door is detachably and fixedly mounted on one side, close to the transmission hole, of the drill cylinder 3; the sampling tube is provided inside the placement hole 12.
To illustrate the principle of the present invention, the stage 1 is first moved to a sampling point; when a surface layer sample is taken, the drill bit 5 is taken down, the lifting mechanism drives the inner shaft 2 to move downwards, the motor I drives the inner shaft 2 to rotate, when the drill cylinder 3 is contacted with a road surface, due to friction force, the drill cylinder 3 can rotate relative to the inner shaft 2 until the arc tooth block 10 abuts against a stop block 11, at the moment, the inner shaft 2 drives the drill cylinder 3 to rotate, and the cutting block 4 cuts the road surface, so that the sample enters the sampling tube along the through hole, the connecting hole and the middle shaft 7; when the specified depth is reached, the inner shaft 2 rotates reversely, the drilling barrel 3 rotates relative to the inner shaft 2 under the action of friction force until the arc-shaped tooth block 10 abuts against a stop block 11, at the moment, the arc-shaped tooth block 10 drives the bevel gear 9 to rotate, and the connecting shaft 8, the intermediate shaft 7 and the limiting shaft are sequentially driven to rotate, so that the limiting plate 6 rotates; when the end of the sample close to the limiting plate 6 is solid, the limiting plate 6 props against the sample; when the sample is loose at one end close to the limiting plate 6, the limiting plate 6 can stir the scattered soil to move downwards, and meanwhile, the limiting plate 6 and the blocking cloth block the sample at the upper end from falling off; finally removing the sample; in addition, when a deep sample is taken, the drill bit 5 can be installed, and after the sample is drilled to a specified depth, the drill bit 5 is taken down, and the sample is taken through the drill cylinder 3.
Further, the lifting mechanism comprises a fixed frame 13, a screw 14 and a fixed plate 15; the fixed frame 13 is fixedly arranged with the workbench 1; the fixed frame 13 is rotationally connected with two screw rods 14; the screw rods 14 are connected through chains; one screw 14 is connected with a second motor; the fixed plate 15 is in threaded connection with the screw 14; the first motor is arranged on the fixed plate 15; the fixed plate 15 is rotatably connected with the inner shaft 2; the inner shaft 2 and the first motor are in transmission through a bevel gear; in this way, the movement of the inner shaft 2 for sampling to a specified depth can be controlled.
Further, the worktable 1 is symmetrically and rotatably connected with a balancing weight 16; the upper end of the counter weight block 16 of the workbench 1 is rotatably connected with a rotating shaft 18; the rotating shaft 18 is fixedly provided with a rotating wheel; the rotating wheel is connected with the balancing weight 16 through a steel wire rope; two rotating shafts 17 are rotatably connected between the rotating shafts 18 of the workbench 1; the rotating shafts 17 are respectively in transmission with adjacent rotating shafts 18 through bevel gears; a manual shaft 19 is rotatably connected between the rotating shafts 17 of the worktable 1; the manual shaft 19 and the two rotating shafts 17 are driven by bevel gears; by rotating the rotating shaft 17, whether the counter weight 16 is in contact with the ground or not can be controlled, and the stability during sampling is improved.
Further, the inner shaft 2 is fixedly provided with an elastic cancellation; the drilling barrel 3 is provided with a groove; elastically canceling the abutting groove; the relative rotation of the inner shaft 2 and the drill barrel 3 under the condition that the motor does not rotate is avoided through elastic cancellation.
Further, the lower extreme of workstation 1 is provided with the cabinet, is convenient for accomodate the sampling tool.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed.
Claims (5)
1. The utility model provides an asphalt concrete pavement surface course sampling device for research which characterized in that includes: the drilling machine comprises a workbench (1), a drilling barrel (3) and an inner shaft (2);
the workbench (1) is fixedly provided with a lifting mechanism; the lifting mechanism is provided with a first motor; the first motor is connected with the inner shaft (2); the inner shaft (2) is rotatably connected inside the drill barrel (3); cutting blocks (4) are uniformly distributed on the circumference of one side, away from the workbench (1), of the drilling barrel (3); the drill cylinder (3) is provided with through holes between the cutting blocks (4); one side of the inner shaft (2) close to the through hole is sequentially provided with a connecting hole, a middle hole and a placing hole (12); the connecting hole, the middle hole and the placing hole (12) are communicated; the connecting hole is communicated with the through hole; a detachable drill bit (5) is fixedly arranged at the through hole; one side of the middle hole close to the drill bit (5) is rotatably connected with two limiting shafts; limiting plates (6) are fixedly arranged on the limiting shafts; the limiting plate (6) is connected with the middle hole through a cloth baffle; the middle hole is rotatably connected with an intermediate shaft (7) between the limiting shafts; the middle shaft (7) and the limiting shaft are in transmission through a bevel gear; the inner shaft (2) is rotatably connected with a connecting shaft (8) at one side close to the intermediate shaft (7) in the radial direction; the connecting shaft (8) and the intermediate shaft (7) are in transmission through a bevel gear; the connecting shaft (8) is detachably and fixedly provided with a bevel gear (9) between the inner shaft (2) and the drill barrel (3); an arc-shaped tooth block (10) is fixedly arranged on one side, close to the bevel gear (9), of the drill barrel (3); the arc tooth block (10) is matched with the bevel gear (9); the inner shaft (2) is provided with stop blocks (11) at two sides of the arc tooth block (10); a transmission hole is formed in one side, close to the placing hole (12), of the inner shaft (2); a mounting door is detachably and fixedly mounted on one side, close to the transmission hole, of the drilling barrel (3); a sampling tube is arranged in the placing hole (12).
2. The sampling device for the research of the asphalt concrete pavement surface layer according to claim 1, wherein the lifting mechanism comprises a fixed frame (13), a screw rod (14) and a fixed plate (15); the fixed frame (13) is fixedly installed with the workbench (1); the fixed frame (13) is rotationally connected with two screw rods (14); the screw rods (14) are connected through chains; one screw (14) is connected with a second motor; the fixing plate (15) is in threaded connection with the screw (14); the motor I is arranged on the fixing plate (15); the fixed plate (15) is rotatably connected with the inner shaft (2); the inner shaft (2) and the first motor are in transmission through bevel gears.
3. The sampling device for the research of the asphalt concrete pavement surface layer according to claim 1, characterized in that the workbench (1) is symmetrically and rotatably connected with a balancing weight (16); the upper end of the counter weight block (16) of the workbench (1) is rotatably connected with a rotating shaft (18); the rotating shaft (18) is fixedly provided with a rotating wheel; the rotating wheel is connected with the balancing weight (16) through a steel wire rope; the workbench (1) is rotatably connected with two rotating shafts (17) between the rotating shafts (18); the rotating shafts (17) are respectively in transmission with the adjacent rotating shafts (18) through bevel gears; a manual shaft (19) is rotatably connected between the rotating shafts (17) of the workbench (1); the manual shaft (19) and the two rotating shafts (17) are both driven by bevel gears.
4. The sampling device for the research of the bituminous concrete pavement surface according to claim 1, characterized in that the inner shaft (2) is fixedly provided with an elastic logout; the drilling barrel (3) is provided with a groove; the elastic cancellation is pressed against the groove.
5. The sampling device for the research of the asphalt concrete pavement surface according to claim 1, characterized in that a storage cabinet is arranged at the lower end of the workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122354106.XU CN217033084U (en) | 2021-09-27 | 2021-09-27 | Sampling device is used in research of asphalt concrete road surface layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122354106.XU CN217033084U (en) | 2021-09-27 | 2021-09-27 | Sampling device is used in research of asphalt concrete road surface layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217033084U true CN217033084U (en) | 2022-07-22 |
Family
ID=82411067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122354106.XU Active CN217033084U (en) | 2021-09-27 | 2021-09-27 | Sampling device is used in research of asphalt concrete road surface layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217033084U (en) |
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2021
- 2021-09-27 CN CN202122354106.XU patent/CN217033084U/en active Active
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