CN212722094U - Hydraulic asphalt concrete coring device - Google Patents
Hydraulic asphalt concrete coring device Download PDFInfo
- Publication number
- CN212722094U CN212722094U CN202020726174.7U CN202020726174U CN212722094U CN 212722094 U CN212722094 U CN 212722094U CN 202020726174 U CN202020726174 U CN 202020726174U CN 212722094 U CN212722094 U CN 212722094U
- Authority
- CN
- China
- Prior art keywords
- arc
- asphalt concrete
- coring device
- shaped clamping
- clamping piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a hydraulic asphalt concrete coring device, which comprises a cylinder part, a clamping part and a detachable hoop clamped on the cylinder part or the clamping part, wherein the cylinder part and the clamping part are connected; the clamping part comprises a plurality of arc-shaped clamping pieces extending along the axial direction, and a gap is formed between every two adjacent arc-shaped clamping pieces; the inner diameter of the folded hoop is smaller than or equal to the outer diameter of the clamping part, and the wall thickness of the clamping part is smaller than or equal to that of the cylindrical part; the outer circumference of the cylinder part is also provided with a through hole in a radial penetrating way, and a force arm rod is detachably arranged in the through hole; this bituminous concrete coring device simple structure easily assembles and operates, and the current material that can make full use of job site assembles, can make into promptly that coring device presss from both sides the core in with bituminous concrete construction area and gets out, and is with low costs, core effectual.
Description
Technical Field
The utility model relates to concrete construction equipment technical field, concretely relates to hydraulic engineering asphalt concrete coring device.
Background
It was documented that egyptian used asphalt as a cementing material in the nile river revetment masonry work more than 5000 years ago. For more than 3000 years before the Gongyuan, the 1500m dike of the Tigris river (Tigris) is built by using the mastic of asphalt and clay as a joint cementing material and using the mixture of asphalt and river sand as a slope protection repairing material. In addition, the famous tower is also made of asphalt materials and is preserved all the time. With the advancement of asphalt processing technology and the deep understanding and understanding of asphalt and its mixture performance, asphalt is widely used not only in road pavement, airport and hydraulic engineering, but also in industry, agriculture, building industry and other fields. Particularly in road engineering, due to its superior performance, it has developed rapidly, and has become the first choice road surface for highways, especially expressways, and the new technology and new technology are numerous, and the colored road surface with beautifying effect and the cold construction technology with convenient and fast construction have been widely used.
Asphalt has been used in hydraulic engineering for a long time because of its good impermeability, flexibility and adhesion. Asphalt concrete is a mixture of asphalt, properly graded aggregate and filler. The asphalt concrete has good flexibility and can better adapt to the deformation of the structure, and meanwhile, the asphalt concrete also has excellent durability and seepage resistance, so the asphalt concrete is very suitable for being used as a seepage-proof body of a hydraulic structure.
In the 21 st century, the water conservancy and hydropower industry in China enters a large development period, and with the continuous promotion of the western big development strategy, a lot of large-scale water conservancy and hydropower engineering is started and constructed in Yunnan, Guizhou, Sichuan, Tibet, Xinjiang and other areas. Most of the damming places are in areas with inconvenient traffic, complex geological conditions, large dam foundation settlement of the dam body, lack of applicable soil materials, high seismic intensity, relatively severe natural conditions and more construction difficulties, so designers mostly select the asphalt concrete core wall dam with stronger adaptability based on the conditions.
The asphalt concrete core wall dam has the advantages of excellent impermeability, adaptive deformation capability, crack self-healing capability, seismic resistance, environmental adaptability and safety, construction under severe cold conditions, no need of arranging structural seams on the whole core wall and the like, is accepted by more and more engineers, and gradually becomes one of the main dam types applied to the earth and rock dam construction technology.
In the construction process of the asphalt concrete core dam, asphalt concrete surface bonding is a weak part in the construction process, a virtual pavement of 28cm is generally adopted, the thickness is 25cm after rolling, and the thickness is about 50cm after rolling, in order to strictly control the quality of the asphalt concrete surface bonding part, the mechanical property, the permeability and the like of the surface bonding part need to be detected, so that specific sampling equipment is needed, and special detection is carried out after an asphalt concrete core sample is taken out.
The asphalt concrete ground is usually perforated by a drill bit or a cutting tool and then sampled by a coring device; in order to ensure the accuracy of subsequent detection, the integrity of the asphalt concrete core sample is required to be kept without fracture during coring; the asphalt concrete core sample is required to be completely clamped.
The hydraulic asphalt concrete is a flexible material, the tensile strength is low, the traditional coring equipment cannot effectively cut the bottom of a core sample due to the small aperture of the core sample when a coring test piece is long, and the core sample is frequently broken in the middle due to uneven stress in the process of forceful extraction, so that the integrity of the core sample cannot be taken out, and meanwhile, the traditional equipment is complex and is inconvenient to carry, store, install and use; and the price is expensive, and the materials of the construction site cannot be fully utilized.
Disclosure of Invention
The utility model aims at providing a hydraulic engineering asphalt concrete coring device to the problem that prior art exists.
In order to achieve the above object, the utility model adopts the following technical scheme:
the hydraulic asphalt concrete coring device comprises a cylinder part, a clamping part and a detachable hoop, wherein the cylinder part and the clamping part are connected with each other, and the detachable hoop is clamped on the cylinder part or the clamping part; the clamping part comprises a plurality of arc-shaped clamping pieces extending along the axial direction, and a gap is formed between every two adjacent arc-shaped clamping pieces; the inner diameter of the folded hoop is smaller than or equal to the outer diameter of the clamping part, and the wall thickness of the clamping part is smaller than or equal to that of the cylindrical part; the outer circumference of the cylinder part is also provided with a through hole which radially penetrates through the cylinder part, and a force arm rod is detachably arranged in the through hole.
This bituminous concrete coring device simple structure easily assembles and operates, can make full use of job site's current material, if construction materials such as section bar, steel pipe, steel sheet and bolt weld or the spiro union equipment, can make into promptly that coring device presss from both sides the core in with bituminous concrete construction area and gets out with low costs, core effectual.
The cylindrical part is of an integral structure, so that external force can be conveniently applied to press the clamping part downwards or lift the clamping part upwards, the clamping part can conveniently enter a round hole in the ground, and a concrete core is clamped by the arc-shaped clamping pieces; the clamping hoop can fix the arc-shaped clamping piece, so that the arc-shaped clamping piece can firmly clamp a concrete core; the clamping part with longer axial length and thinner wall thickness is beneficial to the arc-shaped clamping piece to enter the ground from the gap and then completely wrap the concrete core to be clamped, and the fracture and the distortion of the concrete core in the coring process are avoided.
The clearance is arranged, so that a yielding space and a deformation space are formed between the adjacent arc-shaped clamping pieces, the outer circumferential surface of the concrete core can be self-adapted, and the concrete core is wrapped and clamped.
The setting of arm of force pole is convenient for to external force is applyed to the drum part, the output of using manpower sparingly can reach and get from top to bottom coring device also can rotary motion.
The clamp and the force arm rod are arranged into detachable structures, so that the core taking device is convenient to disassemble and assemble and convenient to store and carry; the clamp is detachable and movable, so that the clamp can be moved up and down along the coring device to select the most appropriate clamping area to fix the arc-shaped clamping piece.
Preferably, the cylindrical part and the gripping part are made of different materials, the gripping part can be made of a steel material with certain toughness, and the cylindrical part is made of a steel material with higher strength.
Furthermore, the arc clamping pieces are two, namely a first arc clamping piece and a second arc clamping piece, the circumferential arc length of the first arc clamping piece is larger than that of the second arc clamping piece, and the circumferential arc length of the first arc clamping piece is at least half of the circumferential length.
Furthermore, the arc-shaped clamping pieces are divided into three equal parts, and the sizes of the gaps between every two adjacent arc-shaped clamping pieces are equal.
Further, the clamping part and the cylinder part are integrally formed or fixed in a welding and screwing mode. And selecting a corresponding connection mode according to the process conditions.
Furthermore, the end parts of the arc-shaped clamping pieces, which are far away from the cylinder part, are provided with blade parts. The blade part is arranged with gradually reduced wall thickness, which is beneficial for the coring device to enter into the gap between the concrete core and the ground.
Furthermore, the clamp comprises a pair of semicircular arc-shaped plates, connecting pieces are arranged at the matching positions above the semicircular arc-shaped plates respectively, and the connecting pieces are fixedly connected through bolts respectively.
When the concrete core clamping piece is used, the arc-shaped clamping piece and the concrete core can be fixed only by clamping the concrete core clamping piece at a specified position and screwing the bolt through a spanner; after the concrete core is taken out, the bolt is loosened, the hoop is taken down, the arc-shaped clamping piece can be loosened, and the taken concrete core is pulled down.
Furthermore, the clamp is arranged at the intersection of the arc-shaped clamping piece and the asphalt concrete ground.
Further, the diameter of the force arm rod is smaller than or equal to that of the through hole. The insertion of the arm-force rod is convenient.
Furthermore, both ends of the arm-of-force rod are provided with anti-skid grains. Prevent slipping and facilitate taking and applying force.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the asphalt concrete coring device is simple in structure, easy to assemble and operate, low in cost and good in coring effect, and can be manufactured by fully utilizing the existing materials in a construction site and clamping cores in an asphalt concrete construction area; 2. the cylindrical part is of an integral structure, so that external force can be conveniently applied to press the clamping part downwards or lift the clamping part upwards, the clamping part can conveniently enter a round hole in the ground, and a concrete core is clamped by the arc-shaped clamping pieces; 3. the clamping part with longer axial length and thinner wall thickness is beneficial to the arc-shaped clamping piece to enter the ground from the gap so as to completely wrap the concrete core to be clamped, and the fracture and the distortion deformation of the concrete core in the coring process are avoided; 4. the gap is arranged, so that a yielding space and a deformation space are formed between the adjacent arc-shaped clamping pieces; 5. will the clamp with the power armed lever sets up to detachable construction, is favorable to this core device of dismouting, convenient storage and transport.
Drawings
FIG. 1 is a schematic view of the overall structure of the hydraulic asphalt concrete coring device of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the hydraulic asphalt concrete coring device at the position A;
FIG. 3 is a schematic view of the cross-sectional structure of the hydraulic asphalt concrete coring device at the position B;
FIG. 4 is a schematic view of the blade structure of the arc-shaped clamping piece of the hydraulic asphalt concrete coring device of the present invention;
FIG. 5 is a schematic structural view of another arc-shaped clamping piece of the hydraulic asphalt concrete coring device of the present invention;
FIG. 6 is a schematic view of the clamp structure of the hydraulic asphalt concrete coring device of the present invention;
FIG. 7 is a schematic illustration of the position of an asphalt concrete core to be taken at the surface;
FIG. 8 is a schematic view of the hydraulic asphalt concrete coring device of the present invention;
in the figure: 1. a cylindrical portion; 2. a gripping section; 201. a first arcuate clip; 202. a second arc-shaped clamping piece; 203. a blade part; 204. a third arc-shaped clamping piece; 3. clamping a hoop; 301. a semicircular arc plate; 302. connecting sheets; 303. a bolt; 4. a gap; 5. a through hole; 6. a force arm lever; 7. an asphalt concrete floor; 8. an asphalt concrete core; 9. a circular hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
as shown in fig. 1 to 3, the hydraulic asphalt concrete coring device comprises a cylinder part 1 and a clamping part 2 which are welded with each other, and a detachable clamp 3 which is clamped on the clamping part 2; the clamping part 2 comprises a first arc-shaped clamping piece 201 and a second arc-shaped clamping piece 202 which extend along the axial direction, and a gap 4 is arranged between the first arc-shaped clamping piece 201 and the second arc-shaped clamping piece 202; the inner diameter of the folded hoop 3 is slightly smaller than the outer diameter of the clamping part 2, and the wall thickness of the clamping part 2 is smaller than that of the cylindrical part 1; the outer circumference of the cylindrical part 1 is also provided with a through hole 5 which radially penetrates through the cylindrical part, and a force arm lever 6 is detachably arranged in the through hole 5.
This hydraulic engineering asphalt concrete coring device simple structure easily assembles and operates, can make full use of job site's current material, if construction materials such as section bar, steel pipe, steel sheet and bolt weld or the spiro union equipment, can make into promptly that coring device presss from both sides the core clamp in with asphalt concrete construction area and gets out, with low costs, it is effectual to get the core.
The cylindrical part 1 is of an integral structure, so that external force can be conveniently applied to press the clamping part 2 downwards or lift the clamping part upwards, the clamping part 2 can conveniently enter a round hole in the ground, and a concrete core is clamped by the first arc-shaped clamping piece 201 and the second arc-shaped clamping piece 202; the clamp 3 can fix the first arc-shaped clamping piece 201 and the second arc-shaped clamping piece 202, so that the first arc-shaped clamping piece and the second arc-shaped clamping piece can firmly clamp a concrete core; the clamping part with longer axial length and thinner wall thickness is beneficial to the first arc-shaped clamping piece 201 and the second arc-shaped clamping piece 202 to enter the ground from the gap and then completely wrap the concrete core to be clamped, and the fracture and the distortion of the concrete core in the coring process are avoided.
The setting in clearance 4 for there is the space of letting off and deformation between first arc clamping piece 201 and the second arc clamping piece 202, can self-adaptation concrete core's outer periphery, wraps up it and gets.
The setting of arm of force lever 6 is convenient for to drum portion 1 applys external force, the output of using manpower sparingly can reach and get from top to bottom coring device also can rotary motion.
The hoop 3 and the force arm rod 6 are arranged to be detachable, so that the core taking device is convenient to disassemble and assemble and convenient to store and carry; the clamp 3 is detachable and movable, so that the clamp can be moved up and down along the coring device to select the most appropriate clamping area to fix the arc-shaped clamping piece.
Preferably, the cylindrical portion 1 and the gripping portion 2 are made of different materials, the gripping portion 2 may be made of a steel material with certain toughness, and the cylindrical portion 1 is made of a steel material with a slightly higher strength.
Further, the circumferential arc length of the first arc-shaped clamping piece 201 is greater than that of the second arc-shaped clamping piece 202, and the circumferential arc length of the first arc-shaped clamping piece 201 is two thirds of the circumferential length.
Further, as shown in fig. 4, the ends of the gripping part 2 away from the cylindrical part (i.e., the ends of the first arc-shaped jaw 201 and the second arc-shaped jaw 202) are provided with blade parts 203. The blade 203 is arranged with gradually reduced wall thickness, which is beneficial for the coring device to enter into the gap between the concrete core and the ground.
Example two:
the present embodiment is different from the first embodiment in that a gripping section of another structure is provided.
Specifically, as shown in fig. 5, the arc-shaped clamping pieces of the clamping part 2 are divided into three equal parts, and the size of the gaps 4 between the three adjacent arc-shaped clamping pieces is equal.
Example three:
the present embodiment differs from the first embodiment in that a clip structure is provided.
Specifically, as shown in fig. 6, the clamp 6 includes a pair of semicircular arc plates 301, connecting pieces 302 are respectively disposed at the matching positions above the semicircular arc plates 301, and the pair of matching connecting pieces 302 are respectively fixedly connected through bolts 303.
When the concrete clamping piece is used, the arc-shaped clamping piece and the concrete core can be fixed only by clamping the concrete clamping piece at a required position and screwing the bolt 302 through a spanner; after the concrete core is taken out, the bolt 302 is loosened, the hoop 3 is taken down, the arc-shaped clamping piece can be loosened, and the taken concrete core is pulled down.
Example four:
this embodiment provides the mode of this coring device construction.
As shown in fig. 7, a circular hole 9 is cut on the asphalt concrete floor 7 by a tool, and an asphalt concrete core 8 to be taken out is formed in the circular hole 9.
As shown in fig. 8, the first and second arc-shaped clips 201 and 202 of the coring device are inserted inward from the circular hole 9, and when the first and second arc-shaped clips 201 and 202 are inserted to the bottom, the clamp 3 is clamped on the outer circumferences of the first and second arc-shaped clips 201 and 202, so that the first and second arc-shaped clips 201 and 202 tightly wrap and clamp the asphalt concrete core 8; applying an external force to the coring device through the force arm 6 to pull the pick portion out along with the asphalt concrete core 8; after the coring device is taken out, the bolt is loosened, the hoop 3 is taken down, the first arc-shaped clamping piece 201 and the second arc-shaped clamping piece 202 can be loosened, and then the asphalt concrete core 8 is pulled down.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The hydraulic asphalt concrete coring device is characterized by comprising a cylindrical part, a clamping part and a detachable hoop, wherein the cylindrical part and the clamping part are connected with each other; the clamping part comprises a plurality of arc-shaped clamping pieces extending along the axial direction, and a gap is formed between every two adjacent arc-shaped clamping pieces; the inner diameter of the folded hoop is smaller than or equal to the outer diameter of the clamping part, and the wall thickness of the clamping part is smaller than or equal to that of the cylindrical part; the outer circumference of the cylinder part is also provided with a through hole which radially penetrates through the cylinder part, and a force arm rod is detachably arranged in the through hole.
2. The hydraulic asphalt concrete coring device of claim 1, wherein the arc-shaped clamping pieces are two, namely a first arc-shaped clamping piece and a second arc-shaped clamping piece, the circumferential arc length of the first arc-shaped clamping piece is greater than the circumferential arc length of the second arc-shaped clamping piece, and the circumferential arc length of the first arc-shaped clamping piece is at least one-half of the circumferential length.
3. The hydraulic asphalt concrete coring device of claim 1, wherein the arcuate clamping pieces are three equally divided pieces, and the gaps between adjacent pieces are all equal in size.
4. The hydraulic asphalt concrete coring device of claim 1, wherein the gripping part is integrally formed with the cylindrical part or is fixed by welding or screwing.
5. The hydraulic asphalt concrete coring device of claim 1, wherein the ends of the arcuate clips distal from the cylindrical portion are each provided with a blade.
6. The hydraulic asphalt concrete coring device as set forth in claim 1, wherein the clamp comprises a pair of semicircular arc plates, and connecting pieces are respectively provided at the upper mating portions of the semicircular arc plates, and the mating pair of connecting pieces are respectively fixedly connected by bolts.
7. The hydraulic asphalt concrete coring device of claim 1, wherein the clamp is disposed at an intersection of the arcuate clip and the asphalt concrete ground.
8. The hydraulic asphalt concrete coring device of claim 1, wherein the diameter of the force arm rod is less than or equal to the diameter of the through hole.
9. The hydraulic asphalt concrete coring device of claim 1, wherein both ends of the force arm rod are provided with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726174.7U CN212722094U (en) | 2020-04-30 | 2020-04-30 | Hydraulic asphalt concrete coring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726174.7U CN212722094U (en) | 2020-04-30 | 2020-04-30 | Hydraulic asphalt concrete coring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722094U true CN212722094U (en) | 2021-03-16 |
Family
ID=74944260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020726174.7U Active CN212722094U (en) | 2020-04-30 | 2020-04-30 | Hydraulic asphalt concrete coring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722094U (en) |
-
2020
- 2020-04-30 CN CN202020726174.7U patent/CN212722094U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205804336U (en) | A kind of expansion bit of mixing pile machine | |
| CN212722094U (en) | Hydraulic asphalt concrete coring device | |
| CN209642270U (en) | A kind of novel power cable protection pipe | |
| CN109024654B (en) | Structure of pier pile foundation and construction method thereof | |
| CN201753445U (en) | Uplift-resistant pile structure | |
| CN110219300B (en) | Construction process of partially-bonded prestressed uplift anchor rod | |
| CN111101509A (en) | Prefabricated root type pile structure and construction method | |
| CN106836245A (en) | A kind of soil nailed wall retaining structure and construction method | |
| CN206941588U (en) | A kind of simple positioning tool of steel-pipe pile spreading | |
| CN206205012U (en) | A kind of SMW engineering methods stake inclinometer pipe installation aiding device | |
| CN212294629U (en) | Concrete precast pile connecting device | |
| CN104947948A (en) | Rammed earth wall reinforcing method | |
| CN204080797U (en) | The composite pile of a kind of PHC stake and YTSC stake | |
| CN209669872U (en) | The bitubular is exempted to beat tubular pole and lower stake device | |
| CN208668190U (en) | A kind of quick prosthetic appliance of town road | |
| CN111424647A (en) | Concrete precast pile connecting device and construction method thereof | |
| CN209854709U (en) | Pressure-grouting cement soil static pressure pipe pile structure | |
| CN211927522U (en) | Concrete cylinder core appearance limit tensile test device | |
| CN207538032U (en) | Perceive anchor pole | |
| CN109837889A (en) | A kind of electric welding connection prestressed concrete abnormal shape tubular pole | |
| CN218031751U (en) | Pipe jacking grouting device | |
| CN218148321U (en) | A precast tubular pile head structure and tubular pile for sandy foundation | |
| CN207749516U (en) | A kind of electric welding connection prestressed concrete abnormal shape pile pile | |
| CN215329857U (en) | Anti-cracking prestressed concrete tubular pile end plate structure | |
| CN205134321U (en) | Fixed ground tackle of stock static pressure stake machine base |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |