CN214169067U - Cast-in-place pile foundation outline positioning and paying-off device - Google Patents
Cast-in-place pile foundation outline positioning and paying-off device Download PDFInfo
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- CN214169067U CN214169067U CN202023172202.4U CN202023172202U CN214169067U CN 214169067 U CN214169067 U CN 214169067U CN 202023172202 U CN202023172202 U CN 202023172202U CN 214169067 U CN214169067 U CN 214169067U
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- sliding sleeve
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- pile foundation
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Abstract
The utility model relates to a bored concrete pile basis outline location pay-off, include: the circle center positioning mechanism comprises a shaft center rod with an inverted cone-shaped bottom; the radial support mechanism comprises a cross beam, a sliding sleeve is arranged on the cross beam, the sliding sleeve can slide along the cross beam and can be fixed at a plurality of positions, and a support rod is fixedly arranged at the bottom of the sliding sleeve; the paying-off executing mechanism comprises a hollow wheel, a support of the hollow wheel is fixedly connected with the bottom of the supporting rod, a feeding door used for adding powder into an inner cavity of the hollow wheel can be arranged on one side of the hollow wheel in an opening and closing mode, and a plurality of through holes facilitating powder flowing out are formed in the side wall of the hollow wheel along the circumferential direction. The utility model discloses can be accurate complete draw the circular outer contour line of pile foundation at the job site, make things convenient for the rig drill bit to take one's place and creep into, guarantee drilling accuracy, finally guarantee that pile body positional deviation is less than 20mm, the pile body positional deviation who far above the standard requirement is less than 100mm standard.
Description
Technical Field
The utility model relates to a pile foundation construction technical field especially relates to a bored concrete pile foundation outline location pay-off.
Background
In building and road and bridge engineering, a cast-in-place pile foundation is very common and very applicable, but the cross section of the pile foundation is generally circular, a rectangular positioning line is released at a position 200mm outside an outline line of the pile foundation after the center of the pile foundation is generally positioned by a total station, and the position of a pile body is determined by comparing the relative distances between a drill bit and the positioning line in four directions of 0 degree, 90 degrees, 180 degrees and 270 degrees, so that the method is more complicated, the position of the drill bit is slowly adjusted, and the construction efficiency of the pile foundation is low; more seriously, the method cannot ensure that the pile body is accurate in position, has large errors and great quality hidden dangers, so that a tool which is convenient to construct and can accurately position the outer contour line of the pile foundation is urgently needed.
Disclosure of Invention
The utility model aims at solving the technical problem and provides a positioning and paying-off device for the outer contour of the cast-in-place pile foundation.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a positioning and paying-off device for the outer contour of a cast-in-place pile foundation comprises:
the circle center positioning mechanism comprises a shaft core rod with an inverted cone-shaped bottom, and the shaft core rod is vertically arranged and the bottom of the shaft core rod is supported at the position of a pile foundation center point during paying off;
the radial support mechanism comprises a cross beam, the cross beam is horizontally arranged, one end of the cross beam is rotatably connected with the axis rod, a sliding sleeve is arranged on the cross beam, the sliding sleeve can slide along the cross beam and can be fixed at a plurality of positions, and a support rod is fixedly arranged at the bottom of the sliding sleeve;
the paying-off executing mechanism comprises a hollow wheel, a support of the hollow wheel is fixedly connected with the bottom of the supporting rod, the axis of the hollow wheel is parallel to the cross beam, a feeding door used for adding powder into an inner cavity of the hollow wheel is arranged on one side of the hollow wheel in a openable and closable mode, and a plurality of through holes facilitating powder flowing out are formed in the side wall of the hollow wheel along the circumferential direction.
Furthermore, the sliding sleeve is sleeved outside the cross beam in a sliding mode, the top of the sliding sleeve is provided with a locking pin in a penetrating mode, and the locking pin is in threaded fit with the sliding sleeve, and one end, located in the sliding sleeve, of the locking pin abuts against the top of the cross beam.
Furthermore, the feeding door is positioned on the vertical side wall of the hollow wheel.
Furthermore, the two sides of the feeding opening where the feeding door is located are provided with a slide way in a matching mode, and the feeding door is connected with the slide way in a sliding mode and can stay at any position on the slide way through friction force between the feeding door and the slide way.
Furthermore, the through hole is positioned on an arc-shaped surface of the hollow wheel contacted with the ground.
Furthermore, the through holes are arranged on the arc-shaped surface in a quincunx shape.
Further, the top of the axis rod is provided with a bubble level meter.
The utility model has the advantages that: the utility model discloses can be accurate complete draw the circular outer contour line of pile foundation at the job site, make things convenient for the rig drill bit to take one's place and creep into, guarantee drilling accuracy, finally guarantee that pile body positional deviation is less than 20mm, the pile body positional deviation who far above the standard requirement is less than 100mm standard.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the sliding sleeve;
FIG. 3 is a schematic view of the configuration of the ring gear;
in the figure: 1-a circle center positioning mechanism; 11-an axle spindle; 12-a bubble level; 2-a radial support mechanism; 21-a cross beam; 22-a sliding sleeve; 23-a support bar; 24-a locking pin; 3-a pay-off actuator; 31-a hollow wheel; 32-a feed gate; 33-a via hole; 34-a slide way;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in the figure, a bored concrete pile foundation outline location pay-off includes:
the center positioning mechanism 1 comprises an axis rod 11 with the bottom in an inverted cone shape, the axis rod 11 is vertically arranged during paying off, and the bottom of the axis rod is supported at the center point of a pile foundation;
the radial support mechanism 2, the radial support mechanism 2 includes the crossbeam 21, the crossbeam 21 is set up horizontally and one end is connected with axle center pole 11 rotatably, there are sliding sleeves 22 on the crossbeam 21, the sliding sleeve 22 can be slipped and fixed in multiple positions along the crossbeam 21, the sliding sleeve 22 bottom sets up the bracing piece 23 fixedly;
the paying-off executing mechanism 3 comprises a hollow wheel 31, a support of the hollow wheel 31 is fixedly connected with the bottom of the supporting rod 23, the axis of the hollow wheel 31 is parallel to the cross beam 21, a feeding door 32 used for adding powder into the inner cavity of the hollow wheel 31 is arranged on one side of the hollow wheel 31 in an opening and closing mode, and a plurality of through holes 33 facilitating powder flowing out are formed in the side wall of the hollow wheel 31 in the circumferential direction.
Furthermore, the sliding sleeve 22 is slidably sleeved on the outer side of the beam 21, a locking pin 24 is arranged at the top of the sliding sleeve 22 in a penetrating manner, and the locking pin 24 is in threaded fit with the sliding sleeve 22 and one end of the locking pin located in the sliding sleeve 22 abuts against the top of the beam 21.
Further, a feeding gate 32 is located on a vertical side wall of the ring gear 31.
Further, two sides of the feeding port where the feeding door 32 is located are provided with a slide rail 34 in a matching manner, and the feeding door 32 and the slide rail 34 are connected in a sliding manner and can stay at any position on the slide rail 34 through friction force between the feeding door and the slide rail.
Further, the through hole 33 is formed on an arc surface of the ring gear 31 contacting the ground.
Further, the through holes 33 are arranged in a quincunx shape on the arc-shaped surface.
Further, the top of the shaft center rod 11 is provided with a bubble level gauge 12.
The utility model discloses a use method as follows:
positioning a pile center point position of a pile foundation design by using a total station, and marking;
screwing out the locking pin 24 to enable the sliding sleeve 22 to freely slide along the cross beam 21, and locking the locking pin 24 when the sliding sleeve 22 slides to the designed radius of the pile foundation to fix the sliding sleeve 22;
step three, opening the feeding door 32, closing the hollow wheel 31 after filling the putty powder into the hollow wheel, and then checking whether the putty powder can flow out of the through hole 33;
inserting the conical head at the bottom of the axis rod 1 into the ground along the center point of the pile, and ensuring that the bubbles of the bubble level gauge 12 at the top end of the axis rod 1 are in the central position, so as to ensure that the axis rod 1 is vertical;
step five, rotating the cross beam 21 to make the cross beam rotate around the ground by taking the shaft center rod 1 as an axis for a circle, and marking the outer contour of the pile foundation by the putty powder;
sixthly, positioning a drilling machine to enable the position of the drill bit to be consistent with the marked outer contour line of the pile foundation, and starting drilling;
and seventhly, repeatedly positioning the position of the next pile foundation according to the method.
The utility model discloses can be accurate complete draw the circular outer contour line of pile foundation at the job site, make things convenient for the rig drill bit to take one's place and creep into, guarantee drilling accuracy, finally guarantee that pile body positional deviation is less than 20mm, the pile body positional deviation who far above the standard requirement is less than 100mm standard.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a bored concrete pile basis outline location pay-off which characterized in that includes:
the circle center positioning mechanism (1), the circle center positioning mechanism (1) comprises a shaft center rod (11) with the bottom in an inverted cone shape, the shaft center rod (11) is vertically arranged during paying off, and the bottom of the shaft center rod is supported at the position of a pile foundation center point;
the radial support mechanism (2), the radial support mechanism (2) includes the crossbeam (21), the crossbeam (21) sets up horizontally and one end is connected with axle center pole (11) rotatably, there are sliding sleeves (22) on the crossbeam (21), the sliding sleeve (22) can be slipped along the crossbeam (21) and can be fixed in multiple positions, the bottom of the sliding sleeve (22) sets up the bracing piece (23);
unwrapping wire actuating mechanism (3), unwrapping wire actuating mechanism (3) include hollow wheel (31), the support and bracing piece (23) bottom fixed connection of hollow wheel (31), the axle center and crossbeam (21) parallel arrangement of each other of hollow wheel (31), but be equipped with the feeding gate (32) that are used for adding the powder to hollow wheel (31) inner chamber of hollow wheel (31) one side of opening and shutting, be equipped with a plurality of through-holes (33) that are convenient for the powder to flow along circumference on the lateral wall of hollow wheel (31).
2. The positioning and paying-off device for the outer contour of the foundation of the cast-in-place pile according to claim 1, wherein the sliding sleeve (22) is slidably sleeved on the outer side of the cross beam (21), a locking pin (24) penetrates through the top of the sliding sleeve (22), the locking pin (24) is in threaded fit with the sliding sleeve (22), and one end of the locking pin, which is positioned in the sliding sleeve (22), abuts against the top of the cross beam (21).
3. The positioning and paying-off device for the outer contour of the cast-in-place pile foundation according to claim 1, wherein the feeding gate (32) is located on a vertical side wall of the hollow wheel (31).
4. The cast-in-place pile foundation outer contour positioning and paying-off device as claimed in claim 1, wherein two sides of a material inlet where the material inlet door (32) is located are provided with a slide way (34) in a matching manner, and the material inlet door (32) is connected with the slide way (34) in a sliding manner and can stay at any position on the slide way (34) through friction force between the material inlet door and the slide way.
5. The cast-in-place pile foundation outer contour positioning and paying-off device as claimed in claim 1, wherein the through hole (33) is located on an arc-shaped surface of the hollow wheel (31) contacting with the ground.
6. The cast-in-place pile foundation outer contour positioning and paying-off device as claimed in claim 1, wherein the through holes (33) are arranged in a quincunx shape on the arc-shaped surface.
7. The cast-in-place pile foundation outer contour positioning and paying-off device as claimed in any one of claims 1-6, wherein a bubble level gauge (12) is arranged at the top of the axis rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023172202.4U CN214169067U (en) | 2020-12-25 | 2020-12-25 | Cast-in-place pile foundation outline positioning and paying-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023172202.4U CN214169067U (en) | 2020-12-25 | 2020-12-25 | Cast-in-place pile foundation outline positioning and paying-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214169067U true CN214169067U (en) | 2021-09-10 |
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ID=77609880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023172202.4U Active CN214169067U (en) | 2020-12-25 | 2020-12-25 | Cast-in-place pile foundation outline positioning and paying-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214169067U (en) |
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2020
- 2020-12-25 CN CN202023172202.4U patent/CN214169067U/en active Active
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