CN216892378U - Prestressed square pile quick connect structure with adjustable - Google Patents
Prestressed square pile quick connect structure with adjustable Download PDFInfo
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- CN216892378U CN216892378U CN202123174648.5U CN202123174648U CN216892378U CN 216892378 U CN216892378 U CN 216892378U CN 202123174648 U CN202123174648 U CN 202123174648U CN 216892378 U CN216892378 U CN 216892378U
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses an adjustable prestressed square pile quick connection structure which comprises a prestressed top plate, a first hook connection piece, a second hook connection piece and a loading piece, wherein the prestressed top plate is arranged at the top of a prestressed square pile and is vertically connected with prestressed tendons of the prestressed square pile; the two ends of the prestressed top plate are respectively movably connected with a first hooking piece; the first hooking piece is movably connected with the second hooking piece, the second hooking piece is vertically connected with the end part of the loading piece, meanwhile, the loading piece is parallel to the prestressed top plate, and the force vertically loaded on the loading piece is vertically loaded on the prestressed top plate after being transmitted by the first hooking piece and the second hooking piece. The connecting piece with the inclined hooks is adopted and is quickly connected through the pin shaft and the bolt, and the connecting piece can be assembled and disassembled at any time and any place in a construction site, so that the construction efficiency is improved, and potential safety hazards are reduced; can be repeatedly used, and saves the cost.
Description
Technical Field
The utility model relates to the field of building construction, in particular to an adjustable prestressed square pile quick connection structure.
Background
The uplift test of the prestressed square pile in the construction engineering has important significance for the engineering. The important point is the anchoring form and the connection mode, and the pulling resistance test data are ensured to be effective data on the premise that the anchoring strength and the connection mode of the end head of the prestressed square pile are ensured, the uniform stress of the prestressed tendon is ensured, and the influence of adverse factors and the like on the engineering test is reduced. Therefore, the method for guaranteeing the anchoring strength of the prestressed square pile and the uniform stress form of the prestressed tendon is an important link.
The connecting form that prestressing force square pile tip adopted at present often is: by stretching the prestressed tendons, cutting off the redundant prestressed tendons along the plane of the end plate after the model is formed, embedding sleeves next to the prestressed tendons, wherein the embedded sleeves are used for connecting screw rods subsequently, or arranging anchor tendons (the anchor tendons are connected with the end plate in a spot welding manner) between the end steel plate and the concrete. The following problems are common to this approach:
1. the process is complicated, one end of the screw needs to be connected with the sleeve, and the other end of the screw needs to be welded with the loading device. Wherein, the welding quality has certain influence on the result, the initial adverse factor is introduced, the welding condition is greatly influenced by the environment, and the period is long;
2. the connecting sleeve is arranged close to the prestressed tendon, so that the area of the anchoring end of the prestressed tendon is reduced, and the anchoring strength of the prestressed tendon is weakened;
3. the conventional loading device is: the transverse box-type steel is placed at a distance from the top of the prestressed square pile (the section of the box-type steel is generally larger than that of the prestressed square pile, so that the stability is improved), the jack is placed on the upper portion of the box-type steel, and the loading device connected with the screw rod is placed at the top of the jack. Due to the fact that the section of the box-type section steel is large, the screw and the loading device cannot be connected vertically, and therefore the prestressed tendons are not stressed uniformly in the loading process.
4. Due to the influence of factors such as construction process and the like, the reserved sleeve cannot be connected with the screw rod or the connection depth is insufficient, so that the load cannot be effectively transferred. Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an adjustable prestressed square pile quick connection structure, and solves the problems of insufficient anchoring strength and uneven stress caused by non-perpendicularity of the prestressed tendon connection direction in the existing connection mode.
The utility model provides an adjustable prestressed square pile quick connection structure for solving the technical problems, which comprises a prestressed top plate, a first hooking piece, a second hooking piece and a loading piece, wherein the prestressed top plate is arranged at the top of a prestressed square pile and is vertically connected with prestressed ribs of the prestressed square pile; the two ends of the prestressed top plate are respectively movably connected with a first hooking piece; the first hooking piece is movably connected with the second hooking piece, the second hooking piece is vertically connected with the end part of the loading piece, meanwhile, the loading piece is parallel to the prestressed top plate, and the force vertically loaded on the loading piece is vertically loaded on the prestressed top plate after being transmitted by the first hooking piece and the second hooking piece.
Furthermore, first inclined hooks are formed at two ends of the prestressed top plate, a second inclined hook matched with the first inclined hook is arranged at one end of the first hook connecting piece, and the prestressed top plate is quickly connected with the first hook connecting piece through the hook connection of the first inclined hook and the second inclined hook; the other end of the first hook connecting piece is provided with a third inclined hook, one end of the second hook connecting piece is provided with a fourth inclined hook matched with the third inclined hook, and the first hook connecting piece is connected with the second hook through the third inclined hook and the fourth inclined hook to realize quick connection with the second hook connecting piece.
Furthermore, the first hook connecting piece comprises a first connecting piece and a second connecting piece, one end of the first connecting piece is movably connected with one end of the second connecting piece in a rotating mode through a pin shaft, the second inclined hook is arranged at the other end of the first connecting piece, and the third inclined hook is arranged at the other end of the second connecting piece.
Further, the other end of the second hooking piece extends to be formed with the fixed block to the direction of perpendicular to second hooking piece, be provided with the bolt via hole on the fixed block, the tip of loading piece is provided with the bolt hole that matches with the bolt via hole, second hooking piece and loading piece are through passing the bolt perpendicular connection of bolt via hole and bolt hole at the tip.
Further, the second hooking part comprises a third connecting part and a fourth connecting part, one end of the third connecting part is movably connected with one end of the fourth connecting part in a rotating mode through a pin shaft, the fourth inclined hook is arranged at the other end of the third connecting part, and the fixing block is arranged at the other end of the fourth connecting part.
Further, the loading piece includes box-shaped steel and sets up the connecting plate in box-shaped steel top and bottom, the length of connecting plate is greater than the length of box-shaped steel, the both ends of connecting plate reserve the space of being connected with second hook piece, the bolt hole sets up at the tip of connecting plate along the width direction equidistance.
Furthermore, the end part of the connecting plate and the end part of the box-shaped steel are provided with a plurality of external reinforcing ribs which are connected, the external reinforcing ribs are arranged at equal intervals in the width direction, and the external reinforcing ribs and the bolt holes are arranged in a staggered mode.
Further, an internal reinforcing rib is arranged in the middle of the box-shaped steel.
Compared with the prior art, the utility model has the following beneficial effects: the adjustable prestressed square pile quick connection structure provided by the utility model adopts the connecting piece with the inclined hook and carries out quick connection through the pin shaft and the bolt, and the construction site can be assembled and disassembled at any time and any place, so that the construction efficiency is improved; the original conventional phenomena that the screw rod is welded with the loading piece and the bolt rod is not perpendicularly connected with the loading piece are eliminated, and a plurality of potential safety hazards which possibly cause insufficient strength are reduced; the steel can be repeatedly used, thereby greatly reducing the waste of steel and saving the cost; the subsection is connected step by step, the material damage can be changed by the spare assembly at any time, the phenomenon that the traditional connecting device cannot continue construction due to the damage of a certain section of material is avoided, and the time is saved.
Drawings
FIG. 1 is a schematic view of an adjustable prestressed square pile quick connection structure according to an embodiment of the present invention;
FIG. 2 is a front view of a loading member of an embodiment of the present invention;
FIG. 3 is a side view of a loading member according to an embodiment of the present invention.
In the figure:
1. a prestressed roof panel; 2. a first connecting member; 3. a pin shaft; 4. a second connecting member; 5. a third connecting member; 6. a fourth connecting member; 7. a loading member; 8. a bolt; 9. pre-stressed tendons; 10. pre-stressed square piles; 11. a first inclined hook; 21. a second inclined hook; 41. a third inclined hook; 51. a fourth inclined hook; 61. a fixed block; 71. box-shaped steel; 72. a connecting plate; 73. bolt holes; 74. an outer reinforcement rib; 75. and internal reinforcing ribs.
Detailed Description
The utility model is further described below with reference to the figures and examples.
Fig. 1 is a schematic view of an adjustable prestressed square pile quick connection structure according to an embodiment of the present invention.
Referring to fig. 1, the adjustable prestressed square pile quick connection structure according to the embodiment of the present invention includes a prestressed top plate 1, a first hooking member, a second hooking member, and a loading member 7, wherein the prestressed top plate 1 is disposed on the top of a prestressed square pile 10 and is vertically connected to a prestressed reinforcement 9 of the prestressed square pile 10; the two ends of the prestressed top plate 1 are respectively movably connected with a first hooking piece; the first hooking piece is movably connected with the second hooking piece, the second hooking piece is vertically connected with the end part of the loading piece 7, meanwhile, the loading piece 7 is arranged in parallel with the prestressed top plate 1, and the force vertically loaded on the loading piece 7 is vertically loaded on the prestressed top plate 1 after being transmitted by the first hooking piece and the second hooking piece.
Specifically, first inclined hooks 11 are formed at two ends of the prestressed top plate 1, a second inclined hook 21 matched with the first inclined hook 11 is arranged at one end of the first hook connecting piece, and the prestressed top plate 1 is quickly connected with the first hook connecting piece through the hook connection of the first inclined hook 11 and the second inclined hook 21; the other end of the first hook is provided with a third inclined hook 41, one end of the second hook is provided with a fourth inclined hook 51 matched with the third inclined hook 41, and the first hook is connected with the second hook through the hooking of the third inclined hook 41 and the fourth inclined hook 51 to realize the quick connection with the second hook.
Specifically, the other end of the second hooking member extends in a direction perpendicular to the second hooking member to form a fixing block 61, a bolt through hole is formed in the fixing block 61, a bolt hole 73 matching the bolt through hole is formed in the end of the loading member 7, and the second hooking member is perpendicularly connected to the loading member 7 at the end by a bolt 8 passing through the bolt through hole and the bolt hole 73.
Preferably, the first hook connecting piece comprises a first connecting piece 2 and a second connecting piece 4, one end of the first connecting piece 2 is rotatably and movably connected with one end of the second connecting piece 4 through a pin shaft 3, the second inclined hook 21 is arranged at the other end of the first connecting piece 2, and the third inclined hook 41 is arranged at the other end of the second connecting piece 4; the second hook connecting piece comprises a third connecting piece 5 and a fourth connecting piece 6, one end of the third connecting piece 5 is rotatably and movably connected with one end of the fourth connecting piece 6 through a pin shaft 3, a fourth inclined hook 51 is arranged at the other end of the third connecting piece 5, and a fixing block 61 is arranged at the other end of the fourth connecting piece 6. The connecting angle between the first connecting piece 2 and the second connecting piece 4 and the connecting angle between the third connecting piece 5 and the fourth connecting piece 6 are adjustable so as to adapt to the prestressed top plates 1 and the loading pieces 7 with different lengths, the vertical connection between the first connecting piece 2 and the prestressed top plate 1 is ensured, and the vertical connection between the fourth connecting piece 6 and the loading pieces 7 is ensured so as to ensure the vertical transmission of loading force.
Referring to fig. 2 and 3, in the adjustable prestressed square pile quick connection structure according to the embodiment of the present invention, the loading member 7 includes box-shaped steel 71 and connection plates 72 disposed at the top and bottom of the box-shaped steel 71, the length of the connection plate 72 is greater than that of the box-shaped steel 71, so that spaces for connection with the second hooking member are reserved at both ends of the connection plate 72, and the bolt holes 73 are disposed at equal intervals in the width direction at the end of the connection plate 72.
Preferably, the end of the connecting plate 72 and the end of the box-shaped steel 71 are provided with a plurality of external reinforcing ribs 74, the plurality of external reinforcing ribs 74 are provided at equal intervals in the width direction, and the plurality of external reinforcing ribs 74 are provided offset from the bolt holes 73. The middle of the box section steel 71 is provided with an inner reinforcing rib 75.
In conclusion, the adjustable prestressed square pile quick connection structure provided by the embodiment of the utility model adopts the connecting piece with the inclined hook to carry out quick connection through the pin shaft 3 and the bolt 8, so that the adjustable prestressed square pile quick connection structure can be assembled and disassembled at any time and any place on a construction site, and the construction efficiency is improved; the original conventional phenomena that the screw rod is welded with the loading piece 7 and the bolt rod is not perpendicularly connected with the loading piece 7 are eliminated, and a plurality of potential safety hazards which possibly cause insufficient strength are reduced; the steel can be repeatedly used, thereby greatly reducing the waste of steel and saving the cost; the subsection is connected step by step, the material damage can be changed by the spare assembly at any time, the phenomenon that the traditional connecting device cannot continue construction due to the damage of a certain section of material is avoided, and the time is saved.
Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. An adjustable prestressed square pile quick connection structure is characterized by comprising a prestressed top plate, a first hook connecting piece, a second hook connecting piece and a loading piece, wherein the prestressed top plate is arranged at the top of a prestressed square pile and is vertically connected with prestressed tendons of the prestressed square pile; the two ends of the prestressed top plate are respectively movably connected with a first hooking piece; the first hooking piece is movably connected with the second hooking piece, the second hooking piece is vertically connected with the end part of the loading piece, meanwhile, the loading piece is parallel to the prestressed top plate, and the force vertically loaded on the loading piece is vertically loaded on the prestressed top plate after being transmitted by the first hooking piece and the second hooking piece.
2. The adjustable prestressed square pile quick connecting structure as claimed in claim 1, wherein said prestressed top plate is formed at both ends with first inclined hooks, one end of said first hooking member is provided with second inclined hooks matching with the first inclined hooks, and said prestressed top plate is quickly connected to the first hooking member by hooking the first inclined hooks to the second inclined hooks; the other end of the first hook connecting piece is provided with a third inclined hook, one end of the second hook connecting piece is provided with a fourth inclined hook matched with the third inclined hook, and the first hook connecting piece is connected with the second hook through the third inclined hook and the fourth inclined hook to realize quick connection with the second hook connecting piece.
3. The adjustable prestressed square pile quick connecting structure as claimed in claim 2, wherein said first hooking member comprises a first connecting member and a second connecting member, one end of said first connecting member is rotatably movably connected to one end of said second connecting member by means of a pin, said second inclined hook is provided at the other end of said first connecting member, and said third inclined hook is provided at the other end of said second connecting member.
4. The adjustable prestressed square pile quick connecting structure as claimed in claim 2, wherein the other end of said second hooking member is extended in a direction perpendicular to the second hooking member to form a fixing block, said fixing block is provided with a bolt passing hole, the end of said loading member is provided with a bolt hole matching with the bolt passing hole, and said second hooking member is vertically connected to the loading member at the end by a bolt passing through the bolt passing hole and the bolt hole.
5. The adjustable prestressed square pile quick connecting structure as claimed in claim 4, wherein said second hooking member comprises a third connecting member and a fourth connecting member, one end of said third connecting member is rotatably movably connected to one end of said fourth connecting member by means of a pin, said fourth inclined hook is provided at the other end of said third connecting member, and said fixing block is provided at the other end of said fourth connecting member.
6. The adjustable prestressed square pile quick-connecting structure as claimed in claim 4, wherein said loading member comprises box section steel and connecting plates provided at the top and bottom of the box section steel, the length of said connecting plates is greater than that of the box section steel, spaces for connection with second hooking members are reserved at both ends of said connecting plates, and said bolt holes are provided at the ends of the connecting plates at equal intervals in the width direction.
7. The adjustable prestressed square pile quick connecting structure as claimed in claim 6, wherein the end of said connecting plate and the end of said box steel are provided with a plurality of external reinforcing ribs for connection, said plurality of external reinforcing ribs are arranged at equal intervals in the width direction, and said plurality of external reinforcing ribs are arranged to be offset from the bolt holes.
8. The adjustable prestressed square pile quick connecting structure as claimed in claim 6, wherein an inner reinforcing rib is provided at the middle of said box-type steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123174648.5U CN216892378U (en) | 2021-12-16 | 2021-12-16 | Prestressed square pile quick connect structure with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123174648.5U CN216892378U (en) | 2021-12-16 | 2021-12-16 | Prestressed square pile quick connect structure with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892378U true CN216892378U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123174648.5U Active CN216892378U (en) | 2021-12-16 | 2021-12-16 | Prestressed square pile quick connect structure with adjustable |
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| Country | Link |
|---|---|
| CN (1) | CN216892378U (en) |
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2021
- 2021-12-16 CN CN202123174648.5U patent/CN216892378U/en active Active
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