CN216586494U - End plate-free prestressed square pile - Google Patents
End plate-free prestressed square pile Download PDFInfo
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- CN216586494U CN216586494U CN202120631085.9U CN202120631085U CN216586494U CN 216586494 U CN216586494 U CN 216586494U CN 202120631085 U CN202120631085 U CN 202120631085U CN 216586494 U CN216586494 U CN 216586494U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides an end plate-free prestressed square pile, wherein a first trapezoidal groove is respectively arranged on the front surface and the rear surface of a lower pile, the lower part of the lower pile is connected to a pile head mechanism through a second connecting mechanism, a second trapezoidal groove is respectively arranged on the front surface and the rear surface of an upper pile, a lower pile connecting unit is fixedly sleeved on the top end of a first lower pile, an upper pile connecting unit is fixedly sleeved on the bottom end of the upper pile, the upper pile connecting unit is installed to the top end of the lower pile connecting unit, and the upper pile is also positioned above the lower pile connecting unit.
Description
Technical Field
The utility model belongs to the technical field of prestressed piles, and particularly relates to an end plate-free prestressed square pile.
Background
Along with the improvement of the importance degree of modern buildings and the continuous increase of the building height, higher requirements are put forward on the bearing capacity of a foundation, the existing lower pile and upper pile are generally connected by adopting the welding connection between end plates, the quality of welding directly influences the use of square piles, certain potential safety hazards exist, the time required by welding is long, the working process is influenced, the workload of constructors is increased, the construction efficiency is influenced, and therefore a novel prestressed square pile structure without end plates needs to be designed, and the welding uncertainty is avoided.
Disclosure of Invention
In view of the above, the present invention is directed to provide an end-plate-free prestressed square pile to reduce the assembling time and avoid the influence of the welding quality on the use of the subsequent square pile.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a no end plate prestressing force square pile, including lower section stake mechanism, upper segment stake mechanism, pile head mechanism, first coupling mechanism and second coupling mechanism, lower section stake mechanism includes lower section stake, lower section stake is the cuboid structure, lower section stake front and back two sides respectively is equipped with a first dovetail groove, lower section stake below is connected to pile head mechanism through second coupling mechanism, upper segment stake mechanism includes upper segment stake, upper segment stake front and back two sides respectively is equipped with a second dovetail groove, first coupling mechanism includes lower section linkage unit and upper segment linkage unit, lower section stake top end fixed cup joints lower section linkage unit, upper segment stake bottom end fixed cup joints upper segment linkage unit, upper segment linkage unit installs to lower section linkage unit's top, and the upper segment stake also is in lower section linkage unit's top.
Furthermore, the lower section connecting unit comprises a first rectangular frame, first trapezoidal blocks and first arc-shaped blocks, the inner walls of the front side and the rear side of the first rectangular frame are respectively provided with one first trapezoidal block, the inner walls of the left side and the right side of the first rectangular frame are respectively provided with one first arc-shaped block, the left end and the right end of the top surface of the first rectangular frame are respectively provided with one first reserved hole, the front end and the rear end of the top surface of the first rectangular frame are respectively provided with a plurality of combined grooves in parallel, the top ends of the left side and the right side of the lower section pile are respectively provided with one first arc-shaped groove, the first rectangular frame is sleeved on the side wall of the top end of the lower section pile, each first arc-shaped block is fixedly connected to the inner wall of one first arc-shaped groove, and each first trapezoidal block is fixedly connected to the inner wall of the top end of one first trapezoidal groove; the upper section connecting unit comprises a second rectangular frame, combined convex blocks, a second trapezoidal block, a second arc-shaped block and bolts, wherein the inner walls of the front side and the rear side of the second rectangular frame are respectively provided with the second trapezoidal block, the inner walls of the left side and the right side of the second rectangular frame are respectively provided with the second arc-shaped block, the left end and the right end of the top surface of the second rectangular frame are respectively provided with a second reserved hole, the front end and the rear end of the top surface of the second rectangular frame are respectively provided with a plurality of combined convex blocks in parallel, each combined convex block is embedded into one combined groove, the bottom ends of the left side and the right side of the upper section pile are respectively provided with a second arc-shaped groove, the inner wall of each first reserved hole is provided with internal threads, the bottom end of each bolt penetrates through one second reserved hole and then is in threaded connection with one first reserved hole, and the second rectangular frame is sleeved on the side wall of the bottom end of the upper section pile, and each second arc-shaped block is fixedly connected to the inner wall of one second arc-shaped groove, and each second trapezoid block is fixedly connected to the inner wall of the bottom end of one second trapezoid groove.
Furthermore, the front end and the rear end of the top surface of the first rectangular frame are respectively provided with three combined grooves in parallel, and the front end and the rear end of the top surface of the second rectangular frame are respectively provided with three combined lugs in parallel.
Furthermore, the combined groove is formed by splicing a first circular groove, an elliptical groove and a second circular groove from left to right in sequence, the combined lug is formed by a first cylindrical lug, an elliptical lug and a second cylindrical lug which are of an integrated structure from left to right in sequence, each first cylindrical lug is embedded into one first circular groove, each elliptical lug is embedded into one elliptical groove, and each second cylindrical lug is embedded into one second circular groove.
Further, the pile head mechanism comprises a pile head and a conical head, the pile head is of an inverted pyramid structure, the conical head is arranged at the bottom end of the pile head, and a second connecting mechanism is installed on the top surface of the pile head.
Further, second coupling mechanism includes third cylinder lug, third trapezoidal piece, rectangular block and screw, pile head top surface central point puts and sets up third cylinder lug, lower section pile bottom surface central point puts and is equipped with the cylinder groove that is used for gomphosis third cylinder lug, both ends respectively set up a third trapezoidal piece around the pile head top surface, every third trapezoidal piece gomphosis is to first trapezoidal groove bottom inner wall, both ends respectively set up a rectangular block about every pile head top surface, the bottom of two sides respectively is equipped with a rectangular groove about the lower section pile, every rectangular block gomphosis is to a rectangular groove inside, and all through a screw fixation between every rectangular block and a rectangular groove inner wall.
Compared with the prior art, the non-end plate prestressed square pile has the following beneficial effects:
(1) according to the non-end-plate prestressed square pile, the lower section connecting unit and the upper section connecting unit replace a welding step in the prior art, the installation time is greatly shortened, meanwhile, due to the uniformity of specifications of the lower section connecting unit and the upper section connecting unit, the influence of instability of the welding step on subsequent work is avoided, the stability of the lower section pile and the upper section pile after installation is improved, due to the fact that the lower section connecting unit and the upper section connecting unit are detachable, the flexibility of the non-end-plate prestressed square pile is improved, through the second connecting mechanism, the stability of the lower section pile and the pile head mechanism after installation is improved, through the first trapezoid-shaped groove and the second trapezoid-shaped groove, the material consumption of the lower section pile and the upper section pile is reduced, and therefore the cost is reduced.
(2) According to the non-end plate pre-stressed square pile, an upward supporting force is provided for the second arc-shaped block through the inner bottom surface of the second arc-shaped groove, so that the stability of the second rectangular frame and the upper pile is improved; the rectangular block and the inner wall of the rectangular groove are fixed through the embedding of the rectangular groove and the rectangular block, the embedding of the third trapezoidal block and the inner wall of the bottom end of the first trapezoidal groove and screws, so that the connection stability of the lower section of pile and the pile head is improved; through bolt, first preformed hole, second preformed hole play the reinforcing effect, still convenient to detach simultaneously, through the gomphosis of combination groove and combination lug, further improved the degree of stability that upper segment stake and lower section stake are connected.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of an endless prestressed square pile according to an embodiment of the present invention;
FIG. 2 is a first schematic view of a lower pile mechanism according to an embodiment of the present invention;
FIG. 3 is a second schematic view of a lower pile mechanism according to an embodiment of the utility model;
FIG. 4 is a first schematic view of an upper pile driving mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a lower section connecting unit according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an upper segment connecting unit according to an embodiment of the present invention;
fig. 7 is a schematic view of a pile head mechanism and a second connecting mechanism according to an embodiment of the utility model.
Description of reference numerals:
1-lower pile mechanism; 11-lower section pile; 12-a rectangular groove; 13-a first trapezoidal groove; 14-a first arc-shaped slot; 15-cylindrical grooves; 2-pile-up mechanism; 21-upper section pile; 22-a second arc-shaped slot; 23-a second trapezoidal groove; 3-pile head mechanism; 31-pile head; 32-cone head; 4-a first connection mechanism; 41-lower section connecting unit; 411 — first rectangle frame; 412-a combination tank; 4121-oval groove; 4122-first circular groove; 4123-a second circular groove; 413-a first trapezoidal block; 414 — a first arcuate segment; 415-first preformed hole; 42-upper segment connecting unit; 421-a second rectangular frame; 422-combined bumps; 4221-a first cylindrical bump; 4222-elliptical bumps; 4223-second cylindrical projection; 423-a second trapezoidal block; 424-a second arcuate piece; 425-a second preformed hole; 426-bolt; 5-a second connection mechanism; 51-third cylindrical bump; 52-a third trapezoidal block; 53-rectangular block; 54-screws.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 7, an endless prestressed square pile includes: the pile driving device comprises a lower pile mechanism 1, an upper pile mechanism 2, a pile head mechanism 3, a first connecting mechanism 4 and a second connecting mechanism 5, wherein the lower pile mechanism 1 comprises a lower pile 11, the lower pile 11 is of a cuboid structure, a first trapezoidal groove 13 is respectively arranged on each of the front and back surfaces of the lower pile 11, the lower part of the lower pile 11 is connected to the pile head mechanism 3 through the second connecting mechanism 5, the second connecting mechanism 5 is positioned between the lower pile 11 and the pile head mechanism 3, the upper pile mechanism 2 comprises an upper pile 21, a second trapezoidal groove 23 is respectively arranged on each of the front and back surfaces of the upper pile 21, the first connecting mechanism 4 comprises a lower pile connecting unit 41 and an upper pile connecting unit 42, the top end of the lower pile 11 is fixedly sleeved with the lower pile connecting unit 41, the bottom end of the upper pile 21 is fixedly sleeved with the upper pile connecting unit 42, the upper pile connecting unit 42 is installed at the top end of the lower pile connecting unit 41, and the upper pile 21 is also positioned above the lower pile connecting unit 41, through lower section linkage unit 41 and upper segment linkage unit 42, the stability after lower section stake 11 and the installation of upper segment stake 21 has been improved, and because lower section linkage unit 41 and upper segment linkage unit 42 can be dismantled, the flexibility ratio of a no end plate prestressing force square pile has been improved, through second coupling mechanism 5, the stability after lower section stake 11 and the installation of pile head mechanism 3 has been improved, through first dovetail groove 13 and second dovetail groove 23, the material consumption has been reduced, thereby the cost is reduced.
As shown in fig. 2 to 6, the lower section connecting unit 41 includes a first rectangular frame 411, a first trapezoidal block 413 and a first arc block 414, the inner walls of the front and rear sides of the first rectangular frame 411 are respectively provided with the first trapezoidal block 413, the inner walls of the left and right sides of the first rectangular frame 411 are respectively provided with the first arc block 414, the left and right ends of the top surface of the first rectangular frame 411 are respectively provided with a first reserved hole 415, the front and rear ends of the top surface of the first rectangular frame 411 are respectively provided with a plurality of combined slots 412 in parallel, the top ends of the left and right sides of the lower section pile 11 are respectively provided with the first arc slots 14, the first rectangular frame 411 is sleeved to the top end side wall of the lower section pile 11, each first arc block 414 is fixedly connected to an inner wall of the first arc slot 14, and each first trapezoidal block 413 is fixedly connected to an inner wall of the top end of the first trapezoidal slot 13; the upper section connecting unit 42 comprises a second rectangular frame 421, a combined convex block 422, a second trapezoid block 423, a second arc block 424 and bolts 426, wherein the inner walls of the front and back sides of the second rectangular frame 421 are respectively provided with the second trapezoid block 423, the inner walls of the left and right sides of the second rectangular frame 421 are respectively provided with the second arc block 424, the left and right ends of the top surface of the second rectangular frame 421 are respectively provided with a second reserved hole 425, the front and back ends of the top surface of the second rectangular frame 421 are respectively provided with a plurality of combined convex blocks 422 in parallel, each combined convex block 422 is embedded into one combined groove 412, the bottom ends of the left and right sides of the upper section pile 21 are respectively provided with a second arc groove 22, the inner wall of each first reserved hole 415 is provided with internal threads, the bottom end of each bolt 426 passes through one second reserved hole 425 and is in threaded connection with one first reserved hole 415, the second rectangular frame 421 is sleeved on the bottom end side wall of the upper section pile 21, and each second arc block 424 is fixedly connected to the inner wall of one second arc groove 22, an upward supporting force is given to the second arc-shaped block 424 by the inner bottom surface of the second arc-shaped groove 22, thereby improving the stability of the second rectangular frame 421 and the upper section piles 21, each of the second trapezoidal blocks 423 being fixedly coupled to the inner wall of the bottom end of one of the second trapezoidal grooves 23, the bolt 426, the first preformed hole 415 and the second preformed hole 425 play a role of reinforcement, meanwhile, the disassembly is convenient, the connection stability of the upper pile section 21 and the lower pile section 11 is further improved by the embedding of the combination groove 412 and the combination lug 422, and the contact area between the lower pile section 11 and the lower pile section connecting unit 41 is improved because each first trapezoidal block 413 is fixedly connected to the inner wall of the top end of one first trapezoidal groove 13, and then the degree of stability is improved, and each second trapezoidal block 423 is fixedly connected to the inner wall of the bottom end of one second trapezoidal groove 23, so that the contact area between the upper section pile 21 and the upper section connecting unit 42 is improved, and further the degree of stability is improved.
As shown in fig. 5-6, the front end and the rear end of the top surface of the first rectangular frame 411 are both provided with three parallel combination slots 412, and the front end and the rear end of the top surface of the second rectangular frame 421 are both provided with three parallel combination protrusions 422, so as to further improve the connection stability between the first rectangular frame 411 and the second rectangular frame 421.
As shown in fig. 2 to 6, the combination groove 412 is formed by sequentially splicing a first circular groove 4122, an elliptical groove 4121 and a second circular groove 4123 from left to right, the combination protrusion 422 is sequentially formed by integrally forming a first cylindrical protrusion 4222, an elliptical protrusion 4221 and a second cylindrical protrusion 4223 from left to right, each first cylindrical protrusion 4222 is embedded into one first circular groove 4122, each elliptical protrusion 4221 is embedded into one elliptical groove 4121, each second cylindrical protrusion 4223 is embedded into one second circular groove 4123, and the connection stability of the first rectangular frame 411 and the second rectangular frame 421 is improved by multiple embedding.
As shown in fig. 7, the pile head mechanism 3 includes a pile head 31 and a conical head 32, the pile head 31 is of an inverted pyramid structure, the conical head 32 is disposed at the bottom end of the pile head 31, and the second connecting mechanism 5 is mounted on the top surface of the pile head 31.
As shown in fig. 3 and 7, the second connecting mechanism 5 includes a third cylindrical protrusion 51, a third trapezoidal block 52, a rectangular block 53 and a screw 54, the third cylindrical protrusion 51 is disposed at the center of the top surface of the pile head 31, the cylindrical groove 15 for engaging the third cylindrical protrusion 51 is disposed at the center of the bottom surface of the lower pile 11, the third trapezoidal blocks 52 are disposed at the front and rear ends of the top surface of the pile head 31, each third trapezoidal block 52 is engaged with the inner wall of the bottom end of the first trapezoidal groove 13, the rectangular blocks 53 are disposed at the left and right ends of the top surface of the pile head 31, the rectangular grooves 12 are disposed at the bottom ends of the left and right sides of the lower pile 11, each rectangular block 53 is engaged with one rectangular groove 12, each rectangular block 53 is fixed with the inner wall of one rectangular groove 12 by one screw 54, and the engagement between each rectangular block 53 and the inner wall of one rectangular groove 12 is performed by the engagement between the rectangular groove 12 and the rectangular block 53, the engagement between the third trapezoidal block 52 and the inner wall of the bottom end of the first trapezoidal groove 13, The screws 54 fix the rectangular blocks 53 to the inner wall of the rectangular groove 12, so as to improve the stability of the connection between the lower pile 11 and the pile head 31.
The working principle of the utility model is as follows: the worker fits the third cylindrical projection 51 into the cylindrical groove 15, fits the third trapezoidal block 52 into the inner wall of the bottom end of the first trapezoidal groove 13, fits the rectangular block 53 into the rectangular groove 12, and fixes the rectangular block 53 and the inner wall of the rectangular groove 12 by screwing the screw 54 (one end of the screw 54 passes through the rectangular block 53 and is fixed into the inner wall of the rectangular groove 12), so as to complete the installation work of the lower pile 11 and the pile head 31 (the lower pile mechanism 1 and the lower pile mechanism 41 are pre-assembled, and the upper pile mechanism 2 and the upper pile mechanism 42 are also pre-assembled); after the worker fits each combination protrusion 422 into one combination groove 412, and then passes the bolt 426 through the second preformed hole 425, the external thread of the bolt 426 is screwed with the internal thread of the first preformed hole 415 (i.e. the bolt 426 is screwed down), so as to achieve the purpose of fixing the first rectangular frame 411 and the second rectangular frame 421, and thus the connection work of the lower pile 11 and the upper pile 21 is completed, as shown in fig. 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides an end plate prestressing force square pile which characterized in that: comprises a lower pile mechanism (1), an upper pile mechanism (2), a pile head mechanism (3), a first connecting mechanism (4) and a second connecting mechanism (5), wherein the lower pile mechanism (1) comprises a lower pile (11), the lower pile (11) is of a cuboid structure, the front and back sides of the lower pile (11) are respectively provided with a first trapezoidal groove (13), the lower part of the lower pile (11) is connected to the pile head mechanism (3) through the second connecting mechanism (5), the upper pile mechanism (2) comprises an upper pile (21), the front and back sides of the upper pile (21) are respectively provided with a second trapezoidal groove (23), the first connecting mechanism (4) comprises a lower connecting unit (41) and an upper connecting unit (42), the top end of the lower pile (11) is fixedly sleeved with the lower connecting unit (41), the bottom end of the upper pile (21) is fixedly sleeved with the upper connecting unit (42), and the upper connecting unit (42) is installed to the top end of the lower connecting unit (41), and the upper section pile (21) is also positioned above the lower section connecting unit (41).
2. The non-end-plate prestressed square pile according to claim 1, wherein: the lower section connecting unit (41) comprises a first rectangular frame (411), first trapezoidal blocks (413) and first arc blocks (414), wherein the inner walls of the front side and the rear side of the first rectangular frame (411) are respectively provided with one first trapezoidal block (413), the inner walls of the left side and the right side of the first rectangular frame (411) are respectively provided with one first arc block (414), the left end and the right end of the top surface of the first rectangular frame (411) are respectively provided with one first reserved hole (415), the front end and the rear end of the top surface of the first rectangular frame (411) are respectively provided with a plurality of combined grooves (412) in parallel, the top ends of the left side and the right side of the lower section pile (11) are respectively provided with one first arc groove (14), and the first rectangular frame (411) is sleeved to the side wall of the top end of the lower section pile (11), each first arc-shaped block (414) is fixedly connected to the inner wall of one first arc-shaped groove (14), and each first trapezoid block (413) is fixedly connected to the inner wall of the top end of one first trapezoid groove (13); the upper section connecting unit (42) comprises a second rectangular frame (421), combined convex blocks (422), second trapezoidal blocks (423), second arc blocks (424) and bolts (426), wherein the inner walls of the front side and the rear side of the second rectangular frame (421) are respectively provided with one second trapezoidal block (423), the inner walls of the left side and the right side of the second rectangular frame (421) are respectively provided with one second arc block (424), the left end and the right end of the top surface of the second rectangular frame (421) are respectively provided with one second reserved hole (425), the front end and the rear end of the top surface of the second rectangular frame (421) are respectively provided with a plurality of combined convex blocks (422) in parallel, each combined convex block (422) is embedded into one combined groove (412), the bottom ends of the left side and the right side of the upper section pile (21) are respectively provided with one second arc groove (22), the inner wall of each first reserved hole (415) is provided with internal threads, the bottom end of each bolt (426) penetrates through one second reserved hole (425) and then is in threaded connection with one first reserved hole (415), the second rectangular frame (421) is sleeved on the side wall of the bottom end of the upper pile (21), each second arc-shaped block (424) is fixedly connected to the inner wall of one second arc-shaped groove (22), and each second trapezoid block (423) is fixedly connected to the inner wall of the bottom end of one second trapezoid groove (23).
3. The non-end-plate prestressed square pile according to claim 2, wherein: the front end and the rear end of the top surface of the first rectangular frame (411) are respectively provided with three combined grooves (412) in parallel, and the front end and the rear end of the top surface of the second rectangular frame (421) are respectively provided with three combined lugs (422) in parallel.
4. The non-end-plate prestressed square pile according to claim 2, wherein: the combined groove (412) is formed by splicing a first circular groove (4122), an elliptical groove (4121) and a second circular groove (4123) from left to right in sequence, the combined lug (422) is formed by a first cylindrical lug (4222), an elliptical lug (4221) and a second cylindrical lug (4223) which are integrated from left to right in sequence, each first cylindrical lug (4222) is embedded into one first circular groove (4122), each elliptical lug (4221) is embedded into one elliptical groove (4121), and each second cylindrical lug (4223) is embedded into one second circular groove (4123).
5. The non-end-plate prestressed square pile according to claim 1, wherein: pile head mechanism (3) are including pile head (31) and conical head (32), and pile head (31) are inverted pyramid type structure, and pile head (31) bottom sets up conical head (32), and pile head (31) top surface installation second coupling mechanism (5).
6. The non-end-plate prestressed square pile according to claim 5, wherein: the second connecting mechanism (5) comprises a third cylindrical bump (51), a third trapezoidal block (52), rectangular blocks (53) and screws (54), the third cylindrical bump (51) is arranged at the center of the top surface of the pile head (31), a cylindrical groove (15) for embedding the third cylindrical bump (51) is arranged at the center of the bottom surface of the lower pile (11), the third trapezoidal blocks (52) are respectively arranged at the front end and the rear end of the top surface of the pile head (31), each third trapezoidal block (52) is embedded to the inner wall of the bottom end of the first trapezoidal groove (13), the rectangular blocks (53) are respectively arranged at the left end and the right end of the top surface of each pile head (31), the rectangular grooves (12) are respectively arranged at the bottom ends of the left side and the right side of the lower pile (11), each rectangular block (53) is embedded into one rectangular groove (12), and each rectangular block (53) and the inner wall of one rectangular groove (12) are fixed through a screw (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120631085.9U CN216586494U (en) | 2021-03-29 | 2021-03-29 | End plate-free prestressed square pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120631085.9U CN216586494U (en) | 2021-03-29 | 2021-03-29 | End plate-free prestressed square pile |
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| Publication Number | Publication Date |
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| CN216586494U true CN216586494U (en) | 2022-05-24 |
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| CN202120631085.9U Active CN216586494U (en) | 2021-03-29 | 2021-03-29 | End plate-free prestressed square pile |
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- 2021-03-29 CN CN202120631085.9U patent/CN216586494U/en active Active
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