CN214784307U - Asphalt concrete core wall core appearance drilling backfill device - Google Patents
Asphalt concrete core wall core appearance drilling backfill device Download PDFInfo
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- CN214784307U CN214784307U CN202022969373.3U CN202022969373U CN214784307U CN 214784307 U CN214784307 U CN 214784307U CN 202022969373 U CN202022969373 U CN 202022969373U CN 214784307 U CN214784307 U CN 214784307U
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Abstract
The utility model provides a bituminous concrete heart wall core appearance drilling backfill device, constitute by graduated flask and tamping mechanism, tamping mechanism has the drilling locating hole for processing on the base plate, be provided with rectangular frame on the base plate, be provided with the pressure head on the drilling locating hole, the pressure head middle part is provided with the guide bar, be provided with the compaction hammer on the guide bar, the symmetry is provided with two lifting rope on the compaction hammer up end, be provided with guiding hole and two rope handling holes on rectangular frame's the crossbeam, the central line of guiding hole and the coincidence of the central line of drilling locating hole, the guide bar is located the guide hole, two lifting rope pass the rope handling hole and be provided with the handle at its tip. The utility model discloses avoid the random that the core appearance drilling of roll-compaction formula asphalt concrete core was backfilled, guaranteed the backfill quality of roll-compaction formula asphalt concrete core appearance drilling.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering, concretely relates to bituminous concrete heart wall core appearance drilling backfill device.
Background
The rolled asphalt concrete core wall is one of the rock-fill dam impervious bodies, is an asphalt concrete structure which is arranged inside the rock-fill dam body for seepage prevention according to records in hydraulic asphalt concrete construction specifications SL514-2013 published by the ministry of water conservancy and comprises construction quality control and core wall quality inspection, wherein the core wall quality inspection is to drill a group of core samples (3 core samples) for density, porosity, asphalt content and mineral aggregate level matching verification for each 2-4m of the core wall rising. After core drilling and sampling, the core sample drilling hole is properly backfilled in time. At present, most of actual engineering drilling core samples are about 40cm (+/-5 cm); backfilling the core sample drilled hole is to manually carry the asphalt mixture by a shovel to pour into the core sample drilled hole and then compact the core sample drilled hole by a convenient tool; the backfilling equipment, the method and the requirements used by different projects are different, and the backfilling process of workers of different teams and groups in the same project is different, namely the backfilling of the rolled asphalt concrete core sample drilled holes has great randomness, and the backfilling equipment, the method and the standard requirements are not unified, so that the core sample drilled holes are backfilled, the hidden quality danger exists, and the potential quality problem is caused to the asphalt concrete core wall project.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a reasonable in design, simple structure, convenient operation, work efficiency height, guarantee to backfill the bituminous concrete heart wall core appearance drilling backfill device of quality is provided.
The technical scheme for solving the technical problems is as follows: the utility model provides a bituminous concrete heart wall core appearance drilling backfill device comprises graduated flask and tamping mechanism, tamping mechanism has the drilling locating hole for processing on the base plate, be provided with rectangular frame on the base plate, be provided with the pressure head on the drilling locating hole, the pressure head middle part is provided with the guide bar, be provided with the compaction hammer on the guide bar, the symmetry is provided with two and carries the stay cord on the compaction hammer up end, be provided with guiding hole and two rope handling holes on rectangular frame's the crossbeam, the central line of guiding hole and the coincidence of the central line of drilling locating hole, the guide bar is located the guide hole, two are carried the stay cord and are passed the rope handling hole and be provided with the handle at its tip.
As a preferred technical scheme, the frame is provided with a limiting cross rod parallel to the cross beam, the limiting cross rod is provided with a guide hole and two rope threading holes, and a limiting pin is arranged on the guide rod below the limiting cross rod.
As a preferred technical scheme, the measuring cylinder is a conical measuring cylinder.
The utility model has the advantages as follows:
the utility model realizes the unification of the standard and the requirement of the rolling type asphalt concrete core sample drilling and backfilling; the backfill quality of the rolled asphalt concrete core sample drilled hole is ensured, and the potential quality problem of the existing rolled asphalt concrete core sample drilled hole backfill is solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view showing the connection between the substrate 1 and the frame 6 in fig. 1.
Wherein: a substrate 1; a pressure head 2; a measuring cylinder 3; a compaction hammer 4; a guide rod 5; a frame 6; a limiting cross rod 7; a lifting rope 8; a handle 9; a limit pin 10; a concrete core 11;
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, but the present invention is not limited to the following embodiments.
In fig. 1 and 2, the asphalt concrete core sample drilling and backfilling device of the embodiment is composed of a measuring cylinder 3 and a tamping mechanism, the measuring cylinder 3 is a tapered measuring cylinder, the wall of the measuring cylinder 3 is provided with scale marks for measuring the weight of the asphalt mixture, and is used for quantitatively filling the asphalt mixture into a drill hole according to requirements, the tamping mechanism is that a drill hole positioning hole a is processed on a base plate 1, a rectangular frame 6 is fixedly installed on the base plate 1, a pressing head 2 is placed in the drill hole positioning hole a, a guide rod 5 is fixedly installed in the middle of the pressing head 2, a tamping hammer 4 is arranged on the guide rod 5 in a penetrating way, the tamping hammer 4 can move up and down along the guide rod 5, two lifting ropes 8 are symmetrically installed on the upper end face of the tamping hammer 4, a first guide hole and two first rope penetrating holes are formed on a cross beam of the frame 6, a limiting cross rod 7 is fixedly installed on the frame 6 below the cross beam, a second guide hole and two second rope penetrating holes corresponding to the first guide hole and the two first rope penetrating holes are processed on the limiting cross rod 7, the central lines of the first guide hole and the second guide hole coincide with the central line of the drilling positioning hole a, the upper end of the guide rod 5 sequentially penetrates through the second guide hole and the first guide hole, a limiting pin 10 is arranged on the guide rod 5 below the limiting cross rod 7 and used for fixing the compaction height of the compaction hammer 4, the two lifting ropes 8 penetrate through the rope penetrating holes and are provided with handles 9 at the end parts of the two lifting ropes, and an operator lifts and pulls the handles 9 to realize the standard compaction speed of the compaction hammer 4.
The working principle of the utility model is as follows:
the asphalt mixture with specified weight is measured by a measuring cylinder 3 and poured into a drill hole, a drill hole positioning hole a on a base plate 1 is aligned with the drill hole, a pressure head 2 is pressed on the asphalt mixture in the drill hole, and a compaction hammer 4 is lifted by a lifting handle 9 according to the standard compaction height and the standard compaction speed to compact the asphalt mixture filled in the core sample drill hole by the required optimal compaction times. The utility model discloses avoid the random that the core appearance drilling of roll-compaction formula asphalt concrete core was backfilled, guaranteed the backfill quality of roll-compaction formula asphalt concrete core appearance drilling.
Claims (3)
1. The utility model provides a bituminous concrete core appearance drilling backfill device which characterized in that: the drilling machine is characterized by comprising a measuring cylinder and a tamping mechanism, wherein a drilling positioning hole is machined in the tamping mechanism for a substrate, a rectangular frame is arranged on the substrate, a pressure head is arranged on the drilling positioning hole, a guide rod is arranged in the middle of the pressure head, a tamping hammer is arranged on the guide rod, two lifting ropes are symmetrically arranged on the upper end face of the tamping hammer, a guide hole and two rope penetrating holes are formed in a cross beam of the rectangular frame, the center line of the guide hole coincides with the center line of the drilling positioning hole, the guide rod is located in the guide hole, and the two lifting ropes penetrate through the rope penetrating holes and are provided with handles at the end parts of the two lifting ropes.
2. The asphalt concrete core sample drilling and backfilling device of claim 1, wherein: the frame on be provided with the spacing horizontal pole parallel with the crossbeam, be provided with guiding hole and two wire rope handling holes on the spacing horizontal pole, be located spacing horizontal pole below and be provided with spacing pin on the guiding rod.
3. The asphalt concrete core sample drilling and backfilling device of claim 1, wherein: the measuring cylinder is a conical measuring cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022969373.3U CN214784307U (en) | 2020-12-10 | 2020-12-10 | Asphalt concrete core wall core appearance drilling backfill device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022969373.3U CN214784307U (en) | 2020-12-10 | 2020-12-10 | Asphalt concrete core wall core appearance drilling backfill device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214784307U true CN214784307U (en) | 2021-11-19 |
Family
ID=78710984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022969373.3U Active CN214784307U (en) | 2020-12-10 | 2020-12-10 | Asphalt concrete core wall core appearance drilling backfill device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214784307U (en) |
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2020
- 2020-12-10 CN CN202022969373.3U patent/CN214784307U/en active Active
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