CN214702113U - Electromagnetic induction type pile top elevation measurer for cast-in-place pile - Google Patents
Electromagnetic induction type pile top elevation measurer for cast-in-place pile Download PDFInfo
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- CN214702113U CN214702113U CN202120654731.3U CN202120654731U CN214702113U CN 214702113 U CN214702113 U CN 214702113U CN 202120654731 U CN202120654731 U CN 202120654731U CN 214702113 U CN214702113 U CN 214702113U
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Abstract
The utility model provides an electromagnetic induction type bored concrete pile top elevation caliber, include: a protection frame body; the coil is fixed in the protection frame body; the current induction meter is electrically connected with the coil to form a closed loop, and is arranged outside the protection frame body; a conductor suspendable in the concrete grout, the conductor suspendable in the concrete grout being disposed within the protective frame, the conductor suspendable in the concrete grout being located below the coil when the concrete placement is below a pile top elevation, the conductor suspendable in the concrete grout floating into the coil when the concrete placement exceeds the pile top elevation to cut the coil to generate and transfer an induced current to the current induction meter. The utility model discloses electromagnetic induction type bored concrete pile top elevation caliber's simple structure utilizes the principle of electromagnetic induction phenomenon can judge effectively whether the concrete surpasses irritates.
Description
Technical Field
The utility model relates to a construction technical field relates to an electromagnetic induction type bored concrete pile top elevation caliber particularly.
Background
In the construction process of constructional engineering, the height measurement of the top of the cast-in-place pile does not have an effective tool at present, the measurement error of field construction is large, and the effect is not ideal. When large-area operation is carried out, more concrete is wasted due to over-irrigation caused by inaccurate elevation control.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model provides an electromagnetic induction formula bored concrete pile top elevation caliber, it is big to solve current bored concrete pile top elevation measuring error, and super-filled concrete causes extravagant technical problem.
In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides an electromagnetic induction formula bored concrete pile stake top elevation caliber, includes:
a protection frame body;
the coil is fixed in the protection frame body;
the current induction meter is electrically connected with the coil to form a closed loop, and is arranged outside the protection frame body;
a conductor suspendable in the concrete grout, the conductor suspendable in the concrete grout is arranged in the protective frame, the conductor suspendable in the concrete grout is positioned below the coil when the concrete pouring is positioned below the elevation of the pile top, the conductor suspendable in the concrete grout floats to the coil inner motion to generate an induced current and transfers the induced current to the current induction meter when the concrete pouring exceeds the elevation of the pile top.
In the embodiment of the utility model provides an in, the conductor that can suspend in the concrete thick liquid includes the floater and places in place magnet in the floater.
In the embodiment of the utility model, the protection support body include bottom plate, roof and connect in the roof with many connecting rods between the bottom plate, it is adjacent distance between the connecting rod is less than the diameter of floater, the through-hole has been seted up on the bottom plate.
The embodiment of the utility model provides an in, when concrete mud exists in the bored concrete pile, the conductor submergence that can suspend in the concrete mud in.
The utility model discloses owing to adopted above technical scheme, make it have following beneficial effect:
(1) the utility model discloses a design density is greater than the conductor of concrete for the conductor floats in the concrete in the bored concrete pile, along with the pouring of concrete, the floater rises to the elevation that the design pile top irritated excessively, and the magnetic induction line in the cutting coil produces induced-current and arouses the rotation of current induction table, thereby judges accurately whether the concrete irritates excessively, avoids extravagant concrete, practices thrift the ineffective cost, the benefit of creating.
(2) When slurry exists in a cast-in-place pile hole and the elevation of the pile top is lower than the elevation of a terrace, because the slurry floats above, when the position of cast concrete cannot be distinguished, the density of a conductor which can be suspended in concrete slurry is higher than that of the slurry, the judgment of whether the concrete is over-poured or not due to the influence of the slurry is avoided, and whether the concrete is over-poured or not can be conveniently and quickly judged.
(3) The utility model discloses whether the electromagnetic induction formula bored concrete pile top mark height caliber's simple structure, preparation material are convenient for acquire, with low costs, utilize different density to distinguish the material and can judge effectively with the principle that the electromagnetic induction phenomenon combined that the concrete surpasses irritates.
Drawings
Fig. 1 is a schematic front view of the electromagnetic induction type cast-in-place pile top elevation measurer of the present invention.
Fig. 2 is a schematic view of the electromagnetic induction type measuring device for measuring the pile top elevation of the cast-in-place pile according to the present invention.
The correspondence of reference numerals to components is as follows:
a protection frame body 1; a coil 2; a current induction meter 3; a conductor 4; a floating ball 41; a magnet 42; filling piles 5; concrete slurry 6.
Detailed Description
To facilitate understanding of the present invention, the following description is made with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, the present invention provides an electromagnetic induction type cast-in-place pile top elevation measurer, including: protection support body 1, coil 2, current induction table 3 and can suspend conductor 4 in the concrete slurry, when the concrete fills to the design pile top and surpasses when irritating the elevation, along with the continuation of concrete is poured into, can suspend conductor 4 in the concrete slurry upwards floats along with the concrete slurry, and the pouring that indicates the concrete when observing current induction table 3 rotation reaches the design pile top and surpasses and irritate the elevation, the utility model discloses caliber simple structure can make things convenient for, swiftly judge whether the concrete fills and reachs the design pile top and surpasses and irritate the elevation, solves the unsatisfactory phenomenon of 5 pile top elevation control of current bored concrete pile.
Specifically, as shown in fig. 1, the coil 2 is fixed in the protection frame body 1; the current induction meter 3 is used for detecting generation of induced current, the current induction meter 3 is electrically connected with the coil 2 to form a closed loop, and the current induction meter 3 is arranged outside the protection frame body 1; conductor 4 that can suspend in the concrete thick liquid is located in the protection support body 1, conductor 4 that can suspend in the concrete thick liquid is located when the concrete is poured to being located below the pile head elevation coil 2's below, conductor 4 that can suspend in the concrete thick liquid floats when the concrete is poured and is surpassed the pile head elevation and float to coil 2 internal motion produces induced-current and transmits to current induction table 3.
In the embodiment of the utility model, protection support body 1 include bottom plate, roof and connect in the roof with many connecting rods between the bottom plate, it is adjacent distance between the connecting rod is less than the diameter of floater, the through-hole has been seted up on the bottom plate. Further, the quantity of connecting rod is six, six the connecting rod is regular hexagon and arranges, and bottom plate and roof are fixed in respectively the bottom and the top of connecting rod.
In the embodiment of the present invention, the coil 2 is fixed on the upper portion of the protection frame body 1; the coil 2 is hollow inside, and the coil 2 is wound around the outside of the protection frame body 1 one turn by one turn.
In the embodiment of the present invention, the conductor 4 capable of being suspended in the concrete grout is solid, specifically, the conductor 4 capable of being suspended in the concrete grout includes a floating ball 41 and a magnet 42 placed in the floating ball 41, the density of the floating ball 41 is less than that of the concrete grout, and the magnet 42 can be suspended in the concrete grout by the floating ball 41; the magnets 42 are vertically placed in the floating ball 41, specifically, the number of the magnets 42 is two, two magnets 42 are vertically placed in the floating ball 41, the north pole of the magnet 42 points to the coil 2, and the south pole of the magnet 42 deviates from the coil 2, the floating ball 41 includes a cylindrical column body, and a hollow hemispherical top and a hollow hemispherical bottom respectively located at the top end and the bottom end of the column body, two ends of the magnet 42 respectively extend into the hollow hemispherical top and the hollow hemispherical bottom, and preferably, the magnet 42 is kept in a vertical state in the floating ball 41.
In the embodiment of the utility model provides an in, when concrete mud 6 is existent in bored concrete pile 5, conductor 4 that can suspend in the concrete mud submerges in the concrete mud 6. Specifically, the density of the conductor 4 capable of being suspended in the concrete slurry is greater than that of the concrete slurry 6, so that the influence of the existence of the concrete slurry 6 on the measurement accuracy of the electromagnetic induction type cast-in-place pile top elevation measurer is avoided.
The above specifically describes the structure of the utility model discloses induction type electromagnetic induction type bored concrete pile top elevation caliber, its measurement principle is explained below.
The electromagnetic induction type cast-in-place pile top elevation measurer is lowered at the designed pile top over-pouring elevation in the pile hole through a lifting rope (not shown), when concrete reaches the designed pile top over-pouring elevation, a floating ball floats, a magnetic induction line generated by a magnet 42 in the floating ball 41 is cut by a coil 2 to generate induction current, and a pointer of a current induction meter 3 rotates, so that the elevation of the designed pile top over-pouring of the concrete can be determined.
However, when concrete slurry 6 exists in the bored pile hole and the elevation of the pile top is lower than the elevation of the ground level, the concrete slurry 6 floats above the hole and the position of the poured concrete cannot be distinguished, the density of the conductor 4 which can be suspended in the concrete slurry is higher than that of the concrete slurry 6 through design, so that the conductor 4 which can be suspended in the concrete slurry cannot float in the concrete slurry 6, the judgment of whether the concrete reaches the elevation of the designed pile top (including the height of the designed pile top) cannot be influenced, and the tool can be used for determining whether the concrete reaches the elevation of the designed pile top (including the length of the designed pile top).
The present invention has been described in detail with reference to the drawings and the embodiments, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (4)
1. The utility model provides an electromagnetic induction formula bored concrete pile stake top elevation caliber, its characterized in that includes:
a protection frame body;
the coil is fixed in the protection frame body;
the current induction meter is electrically connected with the coil to form a closed loop, and is arranged outside the protection frame body;
a conductor suspendable in the concrete grout, the conductor suspendable in the concrete grout is arranged in the protective frame, the conductor suspendable in the concrete grout is positioned below the coil when the concrete pouring is positioned below the elevation of the pile top, the conductor suspendable in the concrete grout floats to the coil inner motion to generate an induced current and transfers the induced current to the current induction meter when the concrete pouring exceeds the elevation of the pile top.
2. The electromagnetic induction type cast-in-place pile tip height measurer of claim 1, wherein the conductor suspendable in the concrete grout comprises a floating ball and a magnet embedded in the floating ball.
3. The electromagnetic induction type cast-in-place pile top elevation measurer according to claim 2, wherein the protection frame body comprises a bottom plate, a top plate and a plurality of connecting rods connected between the top plate and the bottom plate, the distance between every two adjacent connecting rods is smaller than the diameter of the floating ball, and a through hole is formed in the bottom plate.
4. The electromagnetic induction type cast-in-place pile top elevation measurer of claim 1, wherein when concrete slurry exists in the cast-in-place pile, the conductor capable of being suspended in the concrete slurry is immersed in the concrete slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654731.3U CN214702113U (en) | 2021-03-31 | 2021-03-31 | Electromagnetic induction type pile top elevation measurer for cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654731.3U CN214702113U (en) | 2021-03-31 | 2021-03-31 | Electromagnetic induction type pile top elevation measurer for cast-in-place pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214702113U true CN214702113U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120654731.3U Active CN214702113U (en) | 2021-03-31 | 2021-03-31 | Electromagnetic induction type pile top elevation measurer for cast-in-place pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214702113U (en) |
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2021
- 2021-03-31 CN CN202120654731.3U patent/CN214702113U/en active Active
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