CN217651772U - Continuous press-in and plug-in type pile splicing structure for construction of anchor rod static pressure pile - Google Patents
Continuous press-in and plug-in type pile splicing structure for construction of anchor rod static pressure pile Download PDFInfo
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- CN217651772U CN217651772U CN202221642295.9U CN202221642295U CN217651772U CN 217651772 U CN217651772 U CN 217651772U CN 202221642295 U CN202221642295 U CN 202221642295U CN 217651772 U CN217651772 U CN 217651772U
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000003068 static effect Effects 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 238000003466 welding Methods 0.000 claims abstract description 26
- 238000007373 indentation Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000009424 underpinning Methods 0.000 description 1
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Abstract
The utility model discloses a continuous press-in insertion type pile splicing structure for construction of an anchor rod static pressure pile, which comprises an outer socket and an inner socket, wherein the outer socket comprises a main steel pipe, a lining pipe and an outer limiting block group, one end of the lining pipe is arranged in the main steel pipe and is connected with the inner wall of the main steel pipe, the other end of the lining pipe extends out of the main steel pipe, and the outer wall of the end is provided with a plurality of outer limiting block groups along the circumferential direction; the inner interface comprises an outer sleeve and inner limiting block groups, and the inner walls of the two ends of the outer sleeve are provided with a plurality of inner limiting block groups along the circumferential direction; after the lining pipe is inserted into the outer sleeve pipe and the end face of the main steel pipe is contacted with the end face of the outer sleeve pipe, the outer limiting block and the inner limiting block are limited mutually through relative rotation between the main steel pipe and the outer sleeve pipe. The utility model has the advantages that: the plug-in connection is realized through the mode that sets up outer socket and interior interface, and wherein outer socket and interior interface are equipped with the restriction piece, provide resistance to compression or stretching resistance through the upper and lower terminal surface of restriction piece, can effectively solve because the bearing capacity limited problem that welding quality leads to.
Description
Technical Field
The utility model belongs to the technical field of the technique of stock static pressure pile and specifically relates to a plug-in type pile extension structure in succession impresses for construction of stock static pressure pile.
Background
The anchor rod static pressure pile is used as a common foundation deviation rectifying and reinforcing method, has simple equipment, convenient operation and small required space, is widely applied to the field of foundation construction, and also obtains good economic benefit. In the actual construction process, the length of a single-section steel pipe pile is limited due to the influence of factors such as construction space and construction equipment, and the steel pipe pile can be jointed by adopting butt welding or welding an outer sleeve on the outer side of the steel pipe pile. The following major problems often arise: (1) When the pile length is longer and the length of a single-section steel pipe pile is limited, the pile pressing aging is greatly reduced by adopting a welding mode. Particularly, when the steel pipe pile is used for underpinning and reinforcing a foundation, the steel pipe pile is generally arranged beside a wall or a column in a welting manner, the space of the steel pipe pile close to one side of the wall or the column is small, the welding pile splicing operation surface is not enough, the construction difficulty is high, and the quality is difficult to ensure; (2) When the sleeve welding pile splicing is adopted, only the end part of the sleeve and the outer side of the steel pipe pile are welded, force is transferred between the sleeve and the steel pipe pile through a welding seam, the force transfer area of the welding seam is small, stress concentration is easy to occur, and the lateral deformation resistance of a welding joint part is insufficient; (3) The construction space of the method is relatively narrow and closed, a large amount of smoke generated by welding construction cannot be dissipated, and the construction environment is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a continuous impressing and rotation type pile splicing structure for construction of anchor rod static pressure pile according to the not enough of above-mentioned prior art, through setting up outer socket and inner joint, realized quick pile splicing, effectively solve the welding quality that the welding leads to not enough, the sleeve pipe effectively passes power with the steel-pipe pile and is limited, the anti side direction deformation ability of welded joint is poor, narrow and small space welding pile splicing construction difficulty and construction environment subalternation problem, improve the construction work efficiency problem of anchor rod static pressure pile.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a continuous indentation formula pile extension structure that plugs in for construction of stock static pressure pile which characterized in that: the outer socket comprises a main steel pipe, a lining pipe and an outer limiting block group, the outer diameter of the lining pipe is the same as the inner diameter of the main steel pipe, one end of the lining pipe is installed in the main steel pipe and connected with the inner wall of the main steel pipe, the other end of the lining pipe extends out of the main steel pipe, the outer wall of the end is provided with a plurality of outer limiting block groups along the circumferential direction, and each outer limiting block group comprises a plurality of outer limiting blocks arranged along the axial direction of the lining pipe; the inner interface comprises an outer sleeve and inner limiting block groups, the inner diameter of the outer sleeve is the same as the outer diameter of the main steel pipe, a plurality of inner limiting block groups are arranged on the inner walls of the two ends of the outer sleeve along the circumferential direction, each inner limiting block group comprises a plurality of inner limiting blocks arranged along the axial direction of the outer sleeve, the number of the inner limiting block groups corresponds to that of the outer limiting block groups, and the number of the inner limiting blocks on each inner limiting block group corresponds to that of the outer limiting blocks on each outer limiting block group; gaps formed between adjacent outer limiting block groups are matched with the inner limiting block groups, and gaps formed between adjacent inner limiting block groups are matched with the outer limiting block groups; after the inner lining pipe is inserted into the outer sleeve pipe and the end face of the main steel pipe is contacted with the end face of the outer sleeve pipe, the outer limiting block and the inner limiting block are limited mutually through relative rotation between the main steel pipe and the outer sleeve pipe.
The number of the inner limiting block groups and the number of the outer limiting block groups are three, and the number of the inner limiting blocks on the inner limiting block groups and the number of the outer limiting blocks on the outer limiting block groups are two.
The gap formed between the inner limiting blocks on the inner limiting block set is matched with the outer limiting blocks, the gap formed between the outer limiting blocks on the outer limiting block set is matched with the inner limiting blocks, and the gap formed between the innermost outer limiting block on the outer limiting block set and the end part of the main steel pipe is matched with the inner limiting blocks.
The length of the inner lining pipe extending out of the main steel pipe is greater than the sum of the widths of the inner limiting blocks on the inner limiting block group and the outer limiting blocks on the outer limiting block group, and the length of the outer sleeve pipe is greater than twice of the sum of the widths of the inner limiting blocks on the inner limiting block group and the outer limiting blocks on the outer limiting block group.
The connection mode between the main steel pipe and the lining pipe comprises but is not limited to threaded connection, integrated connection and welding; the connection mode between the inner lining pipe and the outer limiting block comprises but is not limited to integrated connection and welding; the connection mode between the outer sleeve and the inner limiting block comprises but is not limited to integrated connection and welding.
One end face of the outer limiting block on the outermost side on the outer limiting block group is flush with the outer end face of the inner lining pipe, and one end face of the inner limiting block on the outermost side on the inner limiting block group is flush with the end face corresponding to the outer sleeve.
The utility model has the advantages that:
1. different from the conventional pile splicing mode of the anchor rod static pressure pile, the structure can realize continuous and quick pile splicing through an inserting and rotating mode, and the overall work efficiency is improved;
2. the plug-in connection is realized by arranging the outer socket and the inner socket, wherein the outer socket and the inner socket are provided with the limiting blocks, and the upper end surface and the lower end surface of each limiting block provide compression resistance or tensile resistance, so that the problem of limited bearing capacity caused by welding quality can be effectively solved;
3. after the insertion, rotation and connection are successful, the inner limiting block can effectively improve the lateral deformation resistance of the joint;
4. when the method is implemented, welding operation in a narrow space is not needed, the construction operation environment is greatly improved, and the method has strong implementability, economy and applicability.
Drawings
FIG. 1 is a schematic view of an outer socket of the present invention;
fig. 2 is a schematic view of the inner interface of the present invention;
FIG. 3 is a schematic diagram of the plugging process of the present invention;
fig. 4 is the utility model discloses insert change accomplish pile extension back sketch.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings for the understanding of those skilled in the art:
as shown in FIGS. 1 to 4, reference numerals 1 to 5 denote a main steel pipe 1, a lining pipe 2, an outer restricting block 3, an outer sleeve 4, and an inner restricting block 5, respectively.
Example (b): as shown in fig. 1 to 4, the present embodiment relates to a continuous press-in rotation type pile splicing structure for construction of a bolt static pressure pile, which mainly comprises an outer socket and an inner socket. The outer insertion port comprises a main steel pipe 1, an inner lining pipe 2 and outer limiting block groups, the outer diameter of the inner lining pipe 2 is the same as the inner diameter of the main steel pipe 1, one end of the inner lining pipe 2 is installed in the main steel pipe 1 and connected with the inner wall of the main steel pipe 1, the other end of the inner lining pipe 2 extends out of the main steel pipe 1, a plurality of outer limiting block groups are evenly arranged on the outer wall of the end along the circumferential direction, each outer limiting block group comprises a plurality of outer limiting blocks 3 arranged along the axial direction of the inner lining pipe 2, and the number of the outer limiting blocks 3 on the outer limiting block groups and the number of the outer limiting blocks on the outer limiting block groups are set according to actual working conditions. The inner interface comprises an outer sleeve 4 and inner limiting block groups, the inner diameter of the outer sleeve 4 is the same as the outer diameter of the main steel pipe 1, a plurality of inner limiting block groups are arranged on the inner walls of two ends of the outer sleeve 4 along the circumferential direction, each inner limiting block group comprises a plurality of inner limiting blocks 5 arranged along the axial direction of the outer sleeve, the number of the inner limiting block groups corresponds to that of the outer limiting block groups, and the number of the inner limiting blocks 5 on each inner limiting block group corresponds to that of the outer limiting blocks 3 on each outer limiting block group. The gap formed between adjacent outer limiting block groups is matched with the inner limiting block group, and the gap formed between adjacent inner limiting block groups is matched with the outer limiting block group, so that the inner lining pipe 2 can be conveniently inserted into the outer sleeve 4. After the lining pipe 2 is inserted into the outer sleeve 4 and the end surface of the main steel pipe 1 is contacted with the end surface of the outer sleeve 4, the outer limiting block 3 and the inner limiting block 4 are limited mutually through the relative rotation between the main steel pipe 1 and the outer sleeve 4.
As shown in fig. 1 to 4, in the present embodiment, the main steel pipe 1 is a steel pipe for the anchor static pressure pile, and is usually made of a seamless steel pipe or a coil steel; the connection mode between the main steel pipe 1 and the lining pipe 2 comprises but is not limited to threaded connection, integrated connection and welding, and the connection mode between the lining pipe 2 and the outer limiting block 3 comprises but is not limited to integrated connection and welding; the number of the outer limiting block groups is three, and the number of the outer limiting blocks 3 on the outer limiting block groups is two; one end surface of the outermost outer limiting block 3 on the outer limiting block group is level with the outer end surface of the inner lining pipe 2. The outer sleeve 4 is made of seamless steel pipe or coil steel; the connection mode between the outer sleeve 4 and the inner limiting block 5 comprises but is not limited to integral connection and welding; the number of the inner limiting block groups at each end of the outer sleeve 4 is three, and the number of the inner limiting blocks 5 on the inner limiting block groups is two; one end face of the outermost inner limiting block 5 on the inner limiting block group is level with the corresponding end face of the outer sleeve 4.
As shown in fig. 1-4, the gap formed between the inner limiting blocks 5 on the inner limiting block set is matched with the outer limiting blocks 3, the gap formed between the outer limiting blocks 3 on the outer limiting block set is matched with the inner limiting blocks 5, and the gap formed between the innermost outer limiting block 3 on the outer limiting block set and the end of the main steel pipe 1 is matched with the inner limiting blocks 5. After the lining pipe 2 is inserted into the outer sleeve 4 and the end face of the main steel pipe 1 is contacted with the end face of the outer sleeve 4, through the relative rotation between the main steel pipe 1 and the outer sleeve 4, the outermost inner limiting block 5 on the inner limiting block group is inserted into the gap formed between the innermost outer limiting block 3 on the outer limiting block group and the end of the main steel pipe 1, the innermost outer limiting block 3 on the outer limiting block group is inserted into the gap formed between the inner limiting blocks 5 on the inner limiting block group, and the innermost inner limiting block 5 on the inner limiting block group is inserted into the gap formed between the outer limiting blocks 3 on the outer limiting block group, so that the mutual limitation of the outer limiting blocks 3 and the inner limiting blocks 4 is realized. In addition, in order to ensure the smooth proceeding of the insertion and rotation mode, the length of the inner liner pipe 2 extending to the outside of the main steel pipe 1 is greater than the sum of the widths of the inner limiting blocks 5 on the inner limiting block group and the outer limiting blocks 3 on the outer limiting block group, and the length of the outer sleeve 4 is greater than twice of the sum of the widths of the inner limiting blocks 5 on the inner limiting block group and the outer limiting blocks 3 on the outer limiting block group.
As shown in fig. 1 to 4, the present embodiment also has the following construction method:
1. the anchor rod static pressure equipment is in place.
2. And (4) hoisting the main steel pipe 1 with the lining pipe 2 to perform pile pressing operation, and placing the lining pipe 2 upwards.
3. And after the pile pressing of the main steel pipe 1 with the lining pipe 2 is finished, hoisting the outer sleeve 4. The gap between the inner limiting block set on the outer sleeve 4 is aligned with the position of the outer limiting block set on the inner lining pipe 2 for plugging operation.
4. When the upper end face of the main steel pipe 1 contacts with the lower end face of the outer sleeve 4, the inserting operation is stopped, the inner limiting block 5 and the outer limiting block 3 limit each other when the outer sleeve 4 is rotated for a certain angle, and the main steel pipe 1 and the outer sleeve 4 are constrained to each other.
5. And (3) hoisting the next section of main steel pipe 1 with the inner lining pipe 2, and aligning the outer limiting block groups on the inner lining pipe 2 to the gaps between the inner limiting block groups on the outer sleeve 4 for splicing operation.
6. When the lower end face of the main steel pipe 1 is in contact with the upper end face of the outer sleeve 4, the inserting operation is stopped, the inner limiting block 5 and the outer limiting block 3 are limited by rotating the main steel pipe 1 for a certain angle, the mutual constraint of the main steel pipe 1 and the outer sleeve 4 is completed, and the pile pressing operation is continued.
7. And (5) repeating the steps 3, 4, 5 and 6 to complete the continuous pile pressing operation.
In conclusion, in the embodiment, different from the conventional anchor rod static pressure pile splicing mode, the structure can realize continuous and quick pile splicing through an inserting and rotating mode, so that the overall work efficiency is improved; the plug-in connection is realized by arranging the outer socket and the inner socket, wherein the outer socket and the inner socket are provided with the limiting blocks, and the upper end surface and the lower end surface of each limiting block provide compression resistance or tensile resistance, so that the problem of limited bearing capacity caused by welding quality can be effectively solved; after the insertion, rotation and connection are successful, the inner limiting block can effectively improve the lateral deformation resistance of the joint; when the method is implemented, welding operation in a narrow space is not needed, the construction operation environment is greatly improved, and the method has high implementability, economy and applicability.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (6)
1. The utility model provides a continuous indentation formula pile extension structure that plugs in for construction of stock static pressure pile which characterized in that: the outer socket comprises a main steel pipe, a lining pipe and an outer limiting block group, the outer diameter of the lining pipe is the same as the inner diameter of the main steel pipe, one end of the lining pipe is installed in the main steel pipe and connected with the inner wall of the main steel pipe, the other end of the lining pipe extends out of the main steel pipe, the outer wall of the end is provided with a plurality of outer limiting block groups along the circumferential direction, and each outer limiting block group comprises a plurality of outer limiting blocks arranged along the axial direction of the lining pipe; the inner interface comprises an outer sleeve and inner limiting block groups, the inner diameter of the outer sleeve is the same as the outer diameter of the main steel pipe, a plurality of inner limiting block groups are arranged on the inner walls of the two ends of the outer sleeve along the circumferential direction, each inner limiting block group comprises a plurality of inner limiting blocks arranged along the axial direction of the outer sleeve, the number of the inner limiting block groups corresponds to that of the outer limiting block groups, and the number of the inner limiting blocks on each inner limiting block group corresponds to that of the outer limiting blocks on each outer limiting block group; gaps formed between adjacent outer limiting block groups are matched with the inner limiting block groups, and gaps formed between adjacent inner limiting block groups are matched with the outer limiting block groups; after the inner lining pipe is inserted into the outer sleeve pipe and the end face of the main steel pipe is contacted with the end face of the outer sleeve pipe, the outer limiting block and the inner limiting block are limited mutually through relative rotation between the main steel pipe and the outer sleeve pipe.
2. A continuous press-in rotation type pile extension structure for construction of an anchor static pressure pile as claimed in claim 1, wherein: the number of the inner limiting block groups and the number of the outer limiting block groups are three, and the number of the inner limiting blocks on the inner limiting block groups and the number of the outer limiting blocks on the outer limiting block groups are two.
3. A continuous press-in rotation type pile splicing structure for static pressure pile construction of an anchor rod according to claim 2, wherein: the gap formed between the inner limiting blocks on the inner limiting block set is matched with the outer limiting blocks, the gap formed between the outer limiting blocks on the outer limiting block set is matched with the inner limiting blocks, and the gap formed between the innermost outer limiting block on the outer limiting block set and the end part of the main steel pipe is matched with the inner limiting blocks.
4. A continuous press-in rotation type pile extension structure for construction of an anchor static pressure pile as claimed in claim 1, wherein: the length of the inner lining pipe extending out of the main steel pipe is greater than the sum of the widths of the inner limiting blocks on the inner limiting block group and the outer limiting blocks on the outer limiting block group, and the length of the outer sleeve pipe is greater than twice of the sum of the widths of the inner limiting blocks on the inner limiting block group and the outer limiting blocks on the outer limiting block group.
5. A continuous press-in rotation type pile extension structure for construction of an anchor static pressure pile as claimed in claim 1, wherein: the connection mode between the main steel pipe and the lining pipe comprises but is not limited to threaded connection, integrated connection and welding; the connection mode between the inner lining pipe and the outer limiting block comprises but is not limited to integrated connection and welding; the connection mode between the outer sleeve and the inner limiting block comprises but is not limited to integrated connection and welding.
6. The continuous press-in rotation type pile splicing structure for the construction of the anchor static pressure pile as claimed in claim 1, wherein: one end face of the outer limiting block on the outermost side on the outer limiting block group is flush with the outer end face of the inner lining pipe, and one end face of the inner limiting block on the outermost side on the inner limiting block group is flush with the end face corresponding to the outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221642295.9U CN217651772U (en) | 2022-06-29 | 2022-06-29 | Continuous press-in and plug-in type pile splicing structure for construction of anchor rod static pressure pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221642295.9U CN217651772U (en) | 2022-06-29 | 2022-06-29 | Continuous press-in and plug-in type pile splicing structure for construction of anchor rod static pressure pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217651772U true CN217651772U (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221642295.9U Active CN217651772U (en) | 2022-06-29 | 2022-06-29 | Continuous press-in and plug-in type pile splicing structure for construction of anchor rod static pressure pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217651772U (en) |
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- 2022-06-29 CN CN202221642295.9U patent/CN217651772U/en active Active
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Address after: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Address before: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee before: SGIDI ENGINEERING CONSULTING (Group) Co.,Ltd. |