CN116335126B - A prestressed stress transmission device for anti-floating anchor rod - Google Patents
A prestressed stress transmission device for anti-floating anchor rodInfo
- Publication number
- CN116335126B CN116335126B CN202310351033.XA CN202310351033A CN116335126B CN 116335126 B CN116335126 B CN 116335126B CN 202310351033 A CN202310351033 A CN 202310351033A CN 116335126 B CN116335126 B CN 116335126B
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- anchor rod
- upper connecting
- tube
- floating anchor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明涉及一种抗浮锚杆用预应力传递装置，包括下连接筒、上连接筒、顶板、旋转构件，上连接筒套在下连接筒中，下连接筒的筒壁上螺接有N颗按照环形阵列排布的用于锁紧上连接筒的螺栓，螺栓的尾端与上连接筒的外侧面抵接，顶板安装在上连接筒的顶部，旋转构件转动安装在顶板和上连接筒中，旋转构件中设有四个用于安装抗浮锚杆的锚杆穿孔，旋转构件上安装有用于锁紧抗浮锚杆的锚杆锁紧机构。有益效果是：本发明的预应力传递装置安装方便、便于调整和替换抗浮锚杆、对抗浮锚杆固定的稳定性好。
The present invention relates to a prestressed stress transmission device for an anti-floating anchor rod, comprising a lower connecting tube, an upper connecting tube, a top plate, and a rotating member. The upper connecting tube is sleeved in the lower connecting tube. N bolts arranged in a circular array are screwed onto the wall of the lower connecting tube for locking the upper connecting tube. The tail ends of the bolts abut against the outer side surface of the upper connecting tube. The top plate is installed on the top of the upper connecting tube. The rotating member is rotatably installed in the top plate and the upper connecting tube. Four anchor rod through-holes for installing anti-floating anchor rods are provided in the rotating member. An anchor rod locking mechanism for locking the anti-floating anchor rods is installed on the rotating member. The beneficial effects are as follows: the prestressed stress transmission device of the present invention is easy to install, easy to adjust and replace anti-floating anchor rods, and has good stability in fixing the anti-floating anchor rods.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a prestress transmission device for an anti-floating anchor rod.
Background
When the dead weight of the basement of the building and the earth covering can not offset the buoyancy generated by groundwater, the adverse effect generated by the buoyancy of the groundwater can be eliminated by arranging the vertical anti-floating anchor rod, the stability and the safety of the basement are ensured, one end of the anti-floating anchor rod is anchored in a building bottom plate, the other end of the anti-floating anchor rod is anchored in a bearing layer of a foundation, the stress process firstly transmits the pulling force to the grouting body through the action between the anchoring reinforcing steel bars and the grouting body, and then the force born by the grouting body is transmitted to the surrounding stable soil body through the friction force between the grouting body and the surrounding soil layer, so that the anti-floating anchor rod with certain anti-pulling capacity is formed, the anti-floating effect of the anti-floating anchor rod is realized, and besides the effect of balancing the buoyancy of the groundwater, the anti-floating anchor rod can also play the role of reinforcing the foundation, thereby reducing the deformation and uneven settlement of the foundation. However, in the construction of the anti-floating anchor, the stability of the prestress transmission device is poor, and when the anti-floating anchor is unsuitable, the replacement is inconvenient, so that the convenience of the whole construction of the indoor bottom plate is affected.
Disclosure of Invention
The invention aims to overcome the defects that the stability of a prestress transmission device in the prior art is poor, and when an anti-floating anchor rod is unsuitable, replacement is inconvenient, so that the convenience of the whole construction of an indoor bottom plate is affected, and provides the prestress transmission device for the anti-floating anchor rod.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
The utility model provides a prestressing force transfer device for anti-floating anchor, includes lower connecting cylinder of pipe shape, the last connecting cylinder of pipe shape, outside square interior round roof, circular rotating member, go up the connecting cylinder cover in lower connecting cylinder, the spiro union has N to be used for locking the bolt of last connecting cylinder according to annular array arrangement on the section of thick bamboo wall of lower connecting cylinder, the tail end of bolt and the lateral surface butt of last connecting cylinder, the roof is installed at the top of last connecting cylinder, rotating member rotates and installs in roof and last connecting cylinder, be equipped with four stock perforation that are used for installing anti-floating anchor in the rotating member, install the stock locking mechanism that is used for locking anti-floating stock on the rotating member.
Further, the wall of the upper connecting cylinder is drilled with N rows of screw hole queues, each row of screw hole queues comprises a plurality of first screw holes which are uniformly distributed on the same straight line, and the tail of each bolt can be screwed with any one of the first screw holes in any row of screw hole queues.
The top outside of the upper connecting cylinder is provided with external threads, the bottom center of the top plate is provided with a second screw hole, and the second screw hole is in threaded engagement with the external threads to enable the top plate to be in threaded connection with the top of the upper connecting cylinder.
The rotary member comprises a circular rotary ring body, four C-shaped blocks, four supporting pipes and an installation pipe, wherein the rotary ring body, the C-shaped blocks, the supporting pipes and the installation pipe are integrally manufactured, the C-shaped blocks are connected with the inner side of the rotary ring body, circular anchor rod perforation is formed between the C-shaped blocks and the rotary ring body, one end of each supporting pipe is connected with the C-shaped blocks, the other end of each supporting pipe is connected with the bottom of the installation pipe and the adjacent supporting pipe, the rotary ring body is coaxial with the installation pipe, the four C-shaped blocks and the four supporting pipes are distributed in an annular array with the installation pipe as the center, the supporting pipes are communicated with the anchor rod perforation and the installation pipe, and the four supporting pipes are provided with inlet and outlet holes coaxial with the installation pipe.
The anchor rod locking mechanism comprises four cylindrical pressing blocks and an external gear, wherein the pressing blocks are sleeved in the supporting tube, an external thread column is fixedly connected to the top end of the external gear, a third screw hole is formed in the top of the mounting tube, the external thread column is screwed with the third screw hole after penetrating through the access hole from bottom to top, the external gear penetrates through the access hole from bottom to top and enters the mounting tube and the supporting tube, one rack is fixedly connected to one end of each pressing block, facing the mounting tube, of each pressing block, and the external gear is meshed with the four racks simultaneously.
The racks on the two pressing blocks positioned on the same straight line are positioned on the same horizontal plane, and the racks on the two pressing blocks positioned on the same straight line are arranged in a central symmetry mode by taking the external gear as the center.
The middle part of the outer side of the rotary ring body is provided with a circle of convex ring, the inner side of the top of the upper connecting cylinder is provided with a circle of accommodating groove, the top center of the top plate is provided with a circle of limiting flange protruding inwards horizontally, and the convex ring is rotatably arranged between the limiting flange and the accommodating groove.
The anti-floating anchor rod has the advantages that due to the split design of the upper connecting cylinder and the lower connecting cylinder, space occupation can be effectively saved during transportation, transportation cost of a building site is saved, the anti-floating anchor rod is unfolded during use, the anti-floating anchor rod can rotate before concrete pouring after the anti-floating anchor rod is correspondingly installed with the installation pipe due to the fact that the rotating member is in rotary connection with the top plate and the upper connecting cylinder, concrete pouring can be conducted after the anti-floating anchor rod rotates to a required position, when the anti-floating anchor rod is installed, the anti-floating anchor rod can be limited and fixed through the anchor rod locking mechanism, lifting and shaking of the anti-floating anchor rod during pouring are avoided, stability during pouring is improved, displacement is not affected by the anti-floating anchor rod, and the pre-stress transmission device is convenient to install, convenient to adjust and replace the anti-floating anchor rod and good in stability of fixing the anti-floating anchor rod.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic view of the prestress transmission device of the present invention in an expanded state;
FIG. 2 is a schematic view of the housing of the prestress transmission device according to the present invention;
FIG. 3 is a schematic view of the structure of the upper connecting cylinder in the invention;
FIG. 4 is a schematic view of the structure of the top plate of the present invention;
FIG. 5 is a schematic view of the anchor locking mechanism of the present invention mounted in a rotating member;
FIG. 6 is a schematic view of a rotary member of the present invention from a first perspective;
FIG. 7 is a schematic view of a second perspective of a rotary member of the present invention;
FIG. 8 is a schematic view of the structure of the anchor locking mechanism of the present invention;
The reference numerals in the drawing indicate that the lower connecting cylinder 1, the hollowed-out hole 11, the upper connecting cylinder 2, the first screw hole 21, the hollowed-out hole 22, the external screw thread 23, the accommodating groove 24, the top plate 3, the second screw hole 31, the limit flange 32, the rotating member 4, the rotating ring body 41, the C-shaped block 42, the supporting tube 43, the mounting tube 44, the anchor rod perforation 45, the inlet and outlet hole 46, the convex ring 47, the third screw hole 48, the anchor rod locking mechanism 5, the pressing block 51, the external gear 52, the external screw thread column 53, the hexagonal head 54, the rack 55, the arc-shaped groove 56 and the bolt 6.
Detailed Description
The invention will be described in detail below with reference to the drawings in combination with embodiments.
As shown in fig. 1 to 8, a prestress transmission device for an anti-floating anchor rod comprises a circular pipe-shaped lower connecting cylinder 1, a circular pipe-shaped upper connecting cylinder 2, an outer square and inner circular top plate 3 and a circular rotating member 4, wherein four anchor rod perforation holes for installing the anti-floating anchor rod are formed in the rotating member 4, and an anchor rod locking mechanism 5 for locking the anti-floating anchor rod is arranged on the rotating member 4.
The upper connecting cylinder 2 is sleeved in the lower connecting cylinder 1, four bolts 6 which are arranged according to an annular array and used for locking the upper connecting cylinder 2 are connected to the cylinder wall of the lower connecting cylinder 1 in a screwed mode, and the tail ends of the bolts 6 are abutted to the outer side face of the upper connecting cylinder 2.
In order to improve the connection stability of the upper connecting cylinder 2 and the lower connecting cylinder 1, four rows of screw hole queues are drilled on the cylinder wall of the upper connecting cylinder 2, each row of screw hole queues comprises a plurality of first screw holes 21 which are uniformly distributed on the same straight line, and the tail part of each bolt 6 can be screwed with any one of the first screw holes 21 in any row of screw hole queues.
Four hollowed-out holes 11 are formed in the wall of the lower connecting cylinder 1, and four hollowed-out holes 22 are formed in the wall of the upper connecting cylinder 2, so that concrete can enter the anchor rod pouring holes through the hollowed-out holes (11, 22) during pouring.
The top plate 3 is installed at the top of the upper connecting cylinder 2, specifically, an external thread 23 is arranged at the outer side of the top of the upper connecting cylinder 2, a second screw hole 31 is arranged at the bottom center of the top plate 3, and the second screw hole 31 is in threaded engagement with the external thread 23 to enable the top plate 3 to be in threaded connection with the top of the upper connecting cylinder 2.
The rotary member 4 comprises a circular rotary ring body 41, four C-shaped blocks 42, four support pipes 43 and a mounting pipe 44, wherein the rotary ring body 41, the C-shaped blocks 42, the support pipes 43 and the mounting pipe 44 are integrally manufactured, the C-shaped blocks 42 are connected with the inner side of the rotary ring body 41, circular anchor rod through holes 45 are formed between the C-shaped blocks 42 and the rotary ring body 41, one ends of the support pipes 43 are connected with the C-shaped blocks 42, the other ends of the support pipes 43 are connected with the bottoms of the mounting pipe 44 and the adjacent support pipes 43, the rotary ring body 41 is coaxial with the mounting pipe 44, the four C-shaped blocks 42 and the four support pipes 43 are distributed in an annular array with the mounting pipe 44 as a center, the support pipes 43 are communicated with the anchor rod through holes 45 and the mounting pipe 44, and inlet and outlet holes 46 coaxial with the mounting pipe 44 are formed at the junctions of the four support pipes 43.
The rotating member 4 is rotatably installed in the top plate 3 and the upper connecting cylinder 2, specifically, a circle of convex ring 47 is arranged in the middle of the outer side of the rotating ring body 41, a circle of accommodating groove 24 is arranged on the inner side of the top of the upper connecting cylinder 2, a circle of limiting flange 32 protruding inwards horizontally is arranged in the center of the top plate 3, and the convex ring 47 is rotatably installed between the limiting flange 32 and the accommodating groove 24.
The anchor rod locking mechanism 5 comprises four cylindrical pressing blocks 51 and an external gear 52, wherein the pressing blocks 51 are sleeved in the supporting tube 43, an external thread column 53 is fixedly connected to the top end of the external gear 52, a hexagonal head 54 for screwing the external thread column 53 is arranged at the top end of the external thread column 53, a third screw hole 48 is formed in the top of the mounting tube 44, the external thread column 53 penetrates through the inlet and outlet hole 46 from bottom to top and then is screwed with the third screw hole 48, and the external gear 52 penetrates through the inlet and outlet hole 46 from bottom to top and enters the mounting tube 44 and the supporting tube 43.
Each pressing block 51 is fixedly connected with one rack 55 towards one end of the mounting tube 44, the external gear 52 is simultaneously meshed with the four racks 55, the racks 55 on the two pressing blocks 51 positioned on the same straight line are positioned on the same horizontal plane, and the racks 55 on the two pressing blocks 51 positioned on the same straight line are arranged in a central symmetry mode by taking the external gear 52 as a center.
The briquetting 51 is equipped with arc recess 56 towards stock perforation 45's one end, and the surface of arc recess 56 is provided with the anti-skidding line of net shape.
When in storage and transportation, the upper connecting cylinder is sleeved in the lower connecting cylinder, and the bottom end of the upper connecting cylinder is aligned with the bottom end of the lower connecting cylinder, so that the storage and transportation space can be effectively saved, and the transportation cost of a construction site can be saved. The tail end of the screw is abutted with the outer side of the upper connecting cylinder to lock the upper connecting cylinder in the lower connecting cylinder, so that the upper connecting cylinder and the lower connecting cylinder are prevented from being separated in the transportation process.
When the anti-floating anchor rod is used, after the upper connecting cylinder and the lower connecting cylinder are stretched to the required length according to the installation requirement of the ground, the bolts are rotated, the tail parts of the bolts are screwed with the first screw holes at the corresponding positions, then the prestress transmission device is integrally installed in the ground, the top plate is flush with the ground, the upper connecting cylinder and the lower connecting cylinder extend into the ground, then the anti-floating anchor rod is inserted into the anchor rod perforation, the anti-floating anchor rod penetrates through the anchor rod perforation to enter the upper connecting cylinder and the lower connecting cylinder, after the anti-floating anchor rod is correspondingly installed with the installation pipe, the installation position of the anti-floating anchor rod can be timely adjusted according to the installation position requirement of the anti-floating anchor rod, and the anti-floating anchor rod and the rotating member can rotate before concrete pouring and can perform concrete pouring after rotating to the required position.
In addition, when anti-floating anchor rod is installed, the anti-floating anchor rod is limited and fixed through the anchor rod locking mechanism, so that the anti-floating anchor rod is prevented from lifting and shaking during pouring, the stability during pouring is improved, and the displacement of the anti-floating anchor rod is prevented from being influenced. The operation mode is that the hexagon head is rotated, so that the external gear rotates to drive the rack and the pressing block to move towards the anchor rod perforation direction until the pressing block is matched with the rotating ring body to clamp the anti-floating anchor rod.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310351033.XA CN116335126B (en) | 2023-04-03 | 2023-04-03 | A prestressed stress transmission device for anti-floating anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310351033.XA CN116335126B (en) | 2023-04-03 | 2023-04-03 | A prestressed stress transmission device for anti-floating anchor rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116335126A CN116335126A (en) | 2023-06-27 |
| CN116335126B true CN116335126B (en) | 2025-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310351033.XA Active CN116335126B (en) | 2023-04-03 | 2023-04-03 | A prestressed stress transmission device for anti-floating anchor rod |
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| Country | Link |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209816937U (en) * | 2019-04-17 | 2019-12-20 | 中冶建工集团有限公司 | Single-rib anti-floating anchor rod structure |
| CN218466600U (en) * | 2022-11-03 | 2023-02-10 | 武汉市武昌市政建设(集团)有限公司 | Force transmission device for anti-floating anchor rod tensioning end |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004078576A2 (en) * | 2003-03-04 | 2004-09-16 | Exxonmobil Upstream Research Company | Anchor installation system |
| KR100934196B1 (en) * | 2009-03-06 | 2009-12-24 | 주식회사 도담이앤씨 | Bidirectional pressure small diameter pile and buoyancy prevention method using the same |
| JP6694849B2 (en) * | 2017-04-28 | 2020-05-20 | 前田製管株式会社 | Precast reinforced concrete pressure plate for ground anchor |
| WO2021126305A1 (en) * | 2019-12-18 | 2021-06-24 | Sugden Michael D | Anchor bolt mounting |
| CN111395337A (en) * | 2020-05-06 | 2020-07-10 | 江苏景源万河环境科技有限公司 | Prefabricated combined assembled anti-floating tensile prestressed anchor rod piece and construction method thereof |
| CN111945721B (en) * | 2020-08-31 | 2025-01-28 | 华侨大学 | A prestressed tension-compression composite anti-floating anchor rod and construction method thereof |
-
2023
- 2023-04-03 CN CN202310351033.XA patent/CN116335126B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209816937U (en) * | 2019-04-17 | 2019-12-20 | 中冶建工集团有限公司 | Single-rib anti-floating anchor rod structure |
| CN218466600U (en) * | 2022-11-03 | 2023-02-10 | 武汉市武昌市政建设(集团)有限公司 | Force transmission device for anti-floating anchor rod tensioning end |
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| Publication number | Publication date |
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| CN116335126A (en) | 2023-06-27 |
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