CN215105278U - Anchor rod pile locator is built to underground space - Google Patents
Anchor rod pile locator is built to underground space Download PDFInfo
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- CN215105278U CN215105278U CN202121211207.5U CN202121211207U CN215105278U CN 215105278 U CN215105278 U CN 215105278U CN 202121211207 U CN202121211207 U CN 202121211207U CN 215105278 U CN215105278 U CN 215105278U
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Abstract
The utility model discloses an underground space building anchor rod pile positioner, which comprises a steel plate, a positioning hole, a positioning bolt and a positioning nut; the steel plate, the positioning hole, the positioning bolt and the positioning nut interact to accurately position the anchor rod pile sleeve; fixing a steel plate on an operation platform at the position of a hole forming orifice of the anchor rod pile; opening a steel plate and forming a positioning hole; and a plurality of positioning nuts are circumferentially and uniformly distributed on the periphery of the positioning hole on the steel plate, and the positioning nuts are connected with the steel plate through welding. The utility model provides an underground space builds stock pile locator adopts positioning bolt to carry out the accurate positioning to the stock pile sleeve pipe, is applicable to underground space and builds the construction of stock pile.
Description
Technical Field
The utility model relates to a relevant technical field of underground works construction, concretely relates to underground space extends stock pile locator
Background
With the advance of urbanization process in China, the construction of urban underground space gradually develops to block and networking. In the process of networked building construction of underground engineering, the construction problem of anchor rod piles is frequently encountered. Because the surrounding environment of the urban underground space building project is complex, if the positioning of the anchor rod pile is not accurate, the existing structures and important pipelines on the periphery can be damaged in the construction process.
CN 212294647U discloses a novel positioning guide sleeve method composite anchor rod pile device, which ensures the construction accuracy of an anchor rod pile by embedding a positioning guide pipe in the range of a vertical shaft crown beam, adopts sleeve follow-up hole forming during hole forming drilling, and gradually extracts the sleeve when grouting pile forming is carried out; the positioning adopted by the utility model can ensure that the anchor pile does not intrude into the range of the shaft after the hole is formed, improve the accuracy of measurement and positioning, and improve the verticality of the control positioning guide pipe; the casing pipe is adopted to protect the drilling root canal, so that hole collapse is prevented from occurring when the drilling root canal passes through a bad stratum, and the pile forming quality is not influenced. The implementation mode is as follows: the utility model discloses a novel location direction sleeve pipe method composite anchor rod stake device that provides is provided with the shaft, and shaft crown beam within range has buried location stand pipe 1 underground, and location stand pipe 1 is fixed in anchor rod stake pore-forming drill way. The construction adopts the construction scheme that the hole opening is provided with the positioning guide sleeve, the sleeve adopts a 150mm PVC pipe and is buried in the range of the vertical shaft crown beam, the measurement and the positioning are required to be accurate, and the strict control is requiredAnd setting the verticality of the positioning guide pipe. The hole is formed by using a full-hydraulic jumbolter, and the hole is formed by adopting
A drill bit is arranged on the drill bit body,
and drilling by using the drill rod, wherein the length of a single section of the drill rod is 1.0 meter. In order to prevent hole collapse from occurring when the pile-forming pile passes through a poor geological stratum and influence pile-forming quality, hole jumping construction is adopted during drilling, and casing protection pipe following drilling is adopted for hole forming.
Under the condition of the prior art, the positioning guide pipe is difficult to accurately control the sleeve, and the effective control of the verticality of the anchor rod pile cannot be completely realized.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides an underground space builds stock pile locator can realize the accurate positioning to the stock pile through adopting purpose-made locator, guarantees to become the stake quality, prevents that the construction of stock pile from invading structure headroom scheduling problem to the destruction of peripheral pipeline and stock pile.
The utility model adopts the technical proposal that the anchor rod pile positioner for underground space building comprises a steel plate, a positioning hole, a positioning bolt and a positioning nut; the steel plate, the positioning hole, the positioning bolt and the positioning nut interact to accurately position the anchor rod pile sleeve; fixing a steel plate on an operation platform at the position of a hole forming orifice of the anchor rod pile; opening a steel plate and forming a positioning hole; and a plurality of positioning nuts are circumferentially and uniformly distributed on the periphery of the positioning hole on the steel plate, and the positioning nuts are connected with the steel plate through welding. The positioning bolt is connected with the positioning nut in a threaded fit mode, and the end portion of the positioning bolt is parallel to the outer diameter of the positioning hole and used for supporting the anchor rod pile.
Further, after the anchor pile casing is lifted out of the inner drill rod, the anchor pile reinforcement cage is lowered. A plurality of longitudinal steel bars are arranged in the anchor pile reinforcement cage, and the longitudinal steel bars are thread steel bars; the anchor pile steel reinforcement cage is internally welded with an isolating ring, and the longitudinal steel bars and the positioning supports are welded in the circumferential direction of the isolating ring.
Furthermore, a plurality of grouting pipes are uniformly distributed on the anchor pile reinforcement cage. The anchor pile cage is supported by the locating support 7 so that the centre of the anchor pile cage coincides with the centre of the anchor pile sleeve.
And further, the multi-section anchor pile reinforcement cages are connected through the reinforcement connectors.
Furthermore, the aperture of the positioning hole is more than 10mm larger than the diameter of the anchor rod pile sleeve.
Further, the steel plate is square or round.
Compared with the prior art, the utility model provides an underground space builds stock pile locator adopts positioning bolt to carry out the accurate positioning to the stock pile sleeve pipe, is applicable to underground space and builds the construction of stock pile.
Drawings
Fig. 1 is the utility model discloses a schematic diagram of underground space extension stock stake locator.
Fig. 2 is a structural schematic diagram of an underground space building anchor rod pile.
FIG. 3 is a schematic view of the connection of the alignment support to the spacer ring.
Fig. 4 is a schematic view of the connection of the positioning support and the longitudinal reinforcing bar.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1-4, the utility model discloses a technical scheme for an underground space builds stock pile locator, including steel sheet 1, locating hole 2, positioning bolt 3, set nut 4, longitudinal reinforcement 5, spacer ring 6, location support 7, slip casting pipe 8, cement paste 9 and reinforcing bar connector 10.
The steel plate 1, the positioning hole 2, the positioning bolt 3 and the positioning nut 4 interact to form an anchor rod pile positioner for accurately positioning the anchor rod pile sleeve; fixing the steel plate 1 on an operation platform at the position of a hole forming orifice of the anchor rod pile; opening the steel plate 1 to form a positioning hole 2, wherein the aperture of the positioning hole 2 is 10mm larger than that of the anchor rod pile sleeve; three positioning nuts 4 are uniformly distributed at the 2mm position on the periphery of the positioning hole 2 on the steel plate 1 along the circumferential direction of the positioning hole 2, and the positioning nuts 4 are connected with the steel plate 1 through welding. During construction, the anchor rod pile sleeve is initially positioned through the positioning hole 2 in the steel plate 1, and then the positioning nut 4 is used for accurately positioning the anchor rod pile sleeve.
Further, after the anchor pile casing is lifted out of the inner drill rod, the anchor pile reinforcement cage is lowered. A plurality of longitudinal steel bars 5 are arranged in the anchor pile reinforcement cage, and the longitudinal steel bars 5 are threaded steel bars; the inside welding of stock pile steel reinforcement cage has isolating ring 6, and vertical reinforcing bar 5 and location support 7 all weld in the circumference of isolating ring 6.
Furthermore, a plurality of grouting pipes 8 are uniformly distributed on the anchor pile reinforcement cage. The anchor pile cage is supported by the locating support 7 so that the centre of the anchor pile cage coincides with the centre of the anchor pile sleeve.
Further, the multi-section anchor pile cages are connected through the steel bar connector 10.
The using method of the anchor pile positioner for underground space exploitation comprises the following steps,
(1) construction preparation: the measurement lofting of the pile position is made according to the design requirement, and the construction is started according to the pile position after rechecking and confirmation;
(2) drilling: and drilling by using an SH-30 drilling machine, and forming holes by following the anchor rod pile sleeve. Drilling by a drilling machine according to the designed pile position to 3-4m, and forming a hole by adopting an anchor rod pile sleeve in a follow-up manner; fixing a steel plate 1 with the thickness of 1.5mm at the hole forming hole opening position of the anchor rod pile, enabling a positioning hole 2 on the steel plate 1 to coincide with the hole forming hole opening position, enabling the anchor rod pile sleeve to enter a drill hole through the positioning hole on the steel plate 1, and accurately positioning the anchor rod pile sleeve by utilizing the matching of a positioning bolt 3 and a positioning nut 4 on the steel plate 1, so that the center of the anchor rod pile sleeve coincides with the hole forming center of the drill hole;
(3) and (3) lowering the anchor pile reinforcement cage: and (4) after the anchor pile sleeve is followed to the designed depth, finishing the hole, lifting the inner drill rod, and lowering the anchor pile reinforcement cage. The anchor pile reinforcement cage is provided with longitudinal reinforcements 5, and the longitudinal reinforcements 5 are three threaded reinforcements with the diameter of 20 mm; the anchor pile reinforcement cage is internally welded with an isolating ring 6, and the isolating ring 6 adopts
Formed by steel reinforcement ringsOne ring is welded with the longitudinal steel bar 5 and the positioning support 7 in the longitudinal direction per meter, and the inner diameter of the ring is 30 mm; three grouting pipes 8 with the diameter of 20mm are uniformly distributed on the anchor pile reinforcement cage. After the reinforcing cage of the anchor pile is manufactured on the reinforcing ring manufacturing table, the reinforcing cage is placed on the flat ground, when the reinforcing cage is lowered, a crane is adopted to hoist the reinforcing cage and then slowly fall into the pile hole to be in place, and the center of the reinforcing cage of the anchor pile is coincided with the center of the sleeve of the anchor pile through the positioning support 7 in the process, so that the verticality of the reinforcing cage of the anchor pile is ensured, and the wall of the hole is prevented from being collided; the multi-section reinforcement cage is firmly connected through the reinforcement connector 10;
(4) grouting: after the anchor pile reinforcement cage is in place, the drilling sleeve is pulled out, and grouting is carried out by adopting the grouting pipe 8.
The utility model provides an underground space exploits the anchor rod pile locator, compare with traditional location stand pipe, can realize the accurate positioning to the anchor rod pile; the utility model provides a construction method suitable for underground space builds stock pile can solve the stock pile construction effectively to the destruction of peripheral pipeline and stock pile invasion structure headroom scheduling problem.
Claims (6)
1. The utility model provides an underground space builds stock pile locator which characterized in that: comprises a steel plate, a positioning hole, a positioning bolt and a positioning nut; the anchor rod pile sleeve is positioned by the interaction of the steel plate, the positioning hole, the positioning bolt and the positioning nut; fixing a steel plate on an operation platform at the position of a hole forming orifice of the anchor rod pile; opening a steel plate and forming a positioning hole; a plurality of positioning nuts are circumferentially and uniformly distributed on the periphery of the positioning hole on the steel plate, and the positioning nuts are connected with the steel plate through welding; the positioning bolt is connected with the positioning nut in a threaded fit mode, and the end portion of the positioning bolt is used for supporting the anchor rod pile.
2. A locator for an underground space exploitation anchor rod pile according to claim 1, wherein: a plurality of longitudinal steel bars are arranged in the anchor pile reinforcement cage, and the longitudinal steel bars are thread steel bars; the anchor pile steel reinforcement cage is internally welded with an isolating ring, and the longitudinal steel bars and the positioning supports are welded in the circumferential direction of the isolating ring.
3. A locator for an underground space exploitation anchor rod pile according to claim 2, wherein: a plurality of grouting pipes are uniformly distributed on the anchor pile reinforcement cage; the anchor pile reinforcement cage supports the center of the anchor pile reinforcement cage to coincide with the center of the anchor pile casing through positioning.
4. A locator for an underground space exploitation anchor rod pile according to claim 2 or 3, wherein: and the multiple sections of anchor pile reinforcement cages are connected through a reinforcement connector.
5. A locator for an underground space exploitation anchor rod pile according to claim 1, wherein: the aperture of the positioning hole is more than 10mm larger than the diameter of the anchor rod pile sleeve.
6. A locator for an underground space exploitation anchor rod pile according to claim 1, wherein: the steel plate is square or round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121211207.5U CN215105278U (en) | 2021-06-01 | 2021-06-01 | Anchor rod pile locator is built to underground space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121211207.5U CN215105278U (en) | 2021-06-01 | 2021-06-01 | Anchor rod pile locator is built to underground space |
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| CN215105278U true CN215105278U (en) | 2021-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338274A (en) * | 2021-06-01 | 2021-09-03 | 中铁十八局集团有限公司 | Anchor rod pile locator is built to underground space |
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2021
- 2021-06-01 CN CN202121211207.5U patent/CN215105278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338274A (en) * | 2021-06-01 | 2021-09-03 | 中铁十八局集团有限公司 | Anchor rod pile locator is built to underground space |
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