CN217298933U - Novel prefabricated composite pile cap - Google Patents
Novel prefabricated composite pile cap Download PDFInfo
- Publication number
- CN217298933U CN217298933U CN202221001628.XU CN202221001628U CN217298933U CN 217298933 U CN217298933 U CN 217298933U CN 202221001628 U CN202221001628 U CN 202221001628U CN 217298933 U CN217298933 U CN 217298933U
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- China
- Prior art keywords
- striking rod
- inner cavity
- cylindrical inner
- guide
- guide cylinder
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- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 8
- 238000010009 beating Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model provides a novel prefabricated composite pile cap, which comprises an end plate, a guide block and a beating rod component, wherein the guide block comprises a guide cylinder and a guide cone, and the end plate is fixed on the top surface of the guide cylinder; a cylindrical inner cavity is arranged in the guide block, one end of the cylindrical inner cavity is communicated with the upper surface of the end plate, a spring is arranged in the cylindrical inner cavity, and a supporting plate is arranged at the upper end of the cylindrical inner cavity; a plurality of square holes are uniformly distributed on the side wall of the guide cylinder around the axis of the guide cylinder, and a positioning slide block is arranged in each square hole; the striking rod assembly comprises a connecting rod and a conical striking rod, the lower end of the conical striking rod is fixed with the abutting plate, and when the spring is in a natural state, the conical striking rod and the positioning sliding block are not interfered with each other; when the striking rod assembly is forced downwards to move downwards to the conical striking rod, the conical striking rod pushes the outer end of the positioning sliding block to extend out of the square hole. The beneficial effects of the utility model are that can effectively reduce the broken and disconnected stake rate of pile head, reduce the construction degree of difficulty, improve the efficiency of construction.
Description
Technical Field
The utility model relates to a novel prefabricated composite pile cap.
Background
In the prior art, during the construction process of driving the reinforced concrete precast pile by the diesel pile hammer, the phenomena of pile head breakage and pile breakage often occur, which not only causes economic loss, but also influences the smooth progress of the engineering. The unreasonable design of the connecting part of the diesel pile hammer and the reinforced concrete precast pile is an important reason. The connecting part of the diesel hammer and the reinforced concrete precast pile on the market is generally connected with the precast pile through a single pile cap, the pile cap is fixed on the diesel hammer, and the size of the pile cap needs to be larger than that of the pile head because the process of putting the precast pile into the pile cap needs to be finished at high altitude, so that the construction is convenient. In the piling process, the dynamic load of diesel oil hammering can not be transferred along the axial lead of the pile, on one hand, energy loss is caused, the construction efficiency is reduced, and on the other hand, the pile head is easy to break and break.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a novel prefabricated composite pile cap, overcome not enough among the prior art.
In order to solve the technical problem, the utility model discloses a technical scheme is: the novel prefabricated composite pile cap comprises an end plate, a guide block and a striking rod assembly, wherein the guide block comprises an upper guide cylinder and a lower guide cone;
a cylindrical inner cavity is formed in the guide block, one end of the cylindrical inner cavity is communicated with the upper surface of the end plate, the cylindrical inner cavity is coaxial with the guide block, a spring is arranged in the cylindrical inner cavity, the lower end of the spring is fixed to the bottom of the cylindrical inner cavity, and a supporting plate is arranged at the upper end of the spring;
a plurality of square holes are uniformly distributed on the side wall of the guide cylinder around the axis of the guide cylinder, the square holes are communicated with the cylindrical inner cavity, a positioning slide block matched with the square holes is arranged in each square hole, the outer end of each positioning slide block is a cylindrical surface with the radius equal to that of the outer wall of the guide cylinder, the positioning slide blocks can slide along the direction of the square holes, and when the outer end surface of each positioning slide block is positioned in the corresponding square hole, the inner end surface of each positioning slide block extends into the cylindrical inner cavity;
the striking rod assembly comprises a connecting rod and a conical striking rod, the conical striking rod is fixed at the lower end of the connecting rod, the conical striking rod is coaxial with the connecting rod, the lower end of the conical striking rod is fixed with the abutting plate, when the spring is in a natural state, the conical striking rod and the positioning sliding block are not interfered with each other, and the upper end of the connecting rod penetrates through the end plate and extends out of the upper part of the end plate; when the striking rod assembly is forced downwards to move downwards, the conical striking rod is abutted against the inner end of the positioning sliding block to push the outer end of the positioning sliding block to extend out of the square hole, and at the moment, the upper end of the connecting rod is positioned in the cylindrical inner cavity.
Optionally, 3 or 4 square holes are uniformly distributed on the side wall of the guide cylinder around the axis of the guide cylinder.
Optionally, the outer end face of the positioning slider is provided with a rubber cushion layer.
Optionally, a clamping plate is arranged at the upper end of the connecting rod, the outer diameter of the clamping plate is larger than that of the connecting rod, a stepped hole capable of accommodating the clamping plate is formed in the end plate, and when the clamping plate moves downwards under external force to completely extend into the stepped hole, the conical striking rod pushes the outer end of the positioning slider out of the square hole.
The utility model has the advantages and positive effects that: due to the adoption of the technical scheme, the pile head breaking device is reasonable in structural design, the pile head breaking rate and the pile breaking rate can be effectively reduced, the construction difficulty is reduced, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic internal cross-sectional structural view of an embodiment;
in the figure: 1-an end plate; 2-1-a guide cone; 2-2-a guide cylinder; 3-positioning the slide block; 4-1-link; 4-2-conical knock rod; 4-3-cardboard; 5-a spring; 6-resisting plate.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. 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.
As shown in the figure, the utility model provides a novel prefabricated composite pile cap, which comprises an end plate 1, a guide block and a striking rod assembly, wherein the guide block comprises an upper guide cylinder 2-2 and a lower guide cone 2-1, the end plate 1 is fixed on the top surface of the guide cylinder 2-2, and the end plate 1, the guide cylinder 2-2 and the guide cone 2-3 are coaxial;
a cylindrical inner cavity is formed in the guide block, one end of the cylindrical inner cavity is communicated with the upper surface of the end plate 1, the cylindrical inner cavity and the guide block are coaxial, a spring 5 is arranged in the cylindrical inner cavity, the lower end of the spring 5 is fixed at the bottom of the cylindrical inner cavity, and a supporting plate 6 is arranged at the upper end of the spring;
four square holes are uniformly distributed on the side wall of the guide cylinder 2-2 around the axis of the guide cylinder, the square holes are communicated with the cylindrical inner cavity, a positioning slide block 3 matched with the square holes is arranged in each square hole, the outer end of each positioning slide block 3 is a cylindrical surface with the radius equal to that of the outer wall of the guide cylinder 2-2, the positioning slide blocks 3 can slide along the direction of the square holes, and when the outer end surface of each positioning slide block 3 is positioned in the corresponding square hole, the inner end surface of each positioning slide block 3 extends into the cylindrical inner cavity;
the striking rod assembly comprises a connecting rod 4-1 and a conical striking rod 4-2, the conical striking rod 4-2 is fixed at the lower end of the connecting rod 4-1, the conical striking rod 4-2 is coaxial with the connecting rod 4-1, the lower end of the conical striking rod 4-2 is fixed with a supporting plate 6, when a spring 5 is in a natural state, the conical striking rod 4-2 and a positioning sliding block 3 are not interfered with each other, and the upper end of the connecting rod 4-1 penetrates through an end plate 1 and extends out of the upper part of the end plate 1; when the striking rod component is forced downwards to move the conical striking rod 4-2 downwards, the conical striking rod 4-2 is abutted against the inner end of the positioning slide block 3 to push the outer end of the positioning slide block 3 to extend out of the square hole, and at the moment, the upper end of the connecting rod 4-1 is positioned in the cylindrical inner cavity.
The upper end of the connecting rod 4-1 is provided with a clamping plate 4-3, the outer diameter of the clamping plate 4-3 is larger than that of the connecting rod 4-1, the end plate 1 is provided with a step hole capable of containing the clamping plate 4-3, and when the clamping plate 4-3 moves downwards under external force to completely extend into the step hole, the conical striking rod 4-2 pushes the outer end of the positioning sliding block 3 out of the square hole.
The composite pile cap in the structure enters the top of a precast pile under the guidance of a guide cone 2-1 of a guide block, so that the pile cap and the precast pile are coaxial, wherein the guide cone 2-1 extends into the precast pile, an end plate 1 is arranged at the upper end of the precast pile, a driving rod of a pile driver applies downward force to the end plate 1 at the moment, before the driving rod of the pile driver contacts the end plate 1, a clamping plate 4-3 is stressed to move downwards to drive a conical driving rod 4-2 to move downwards, the outer wall of the conical driving rod 4-2 contacts with the inner end of a positioning slide block 3, the outer end of the positioning slide block 3 is pushed out from a square hole, the outer end of the positioning slide block 3 is abutted against the inner wall of the precast pile, the driving rod of the pile driver contacts with the end plate 1 at the moment, the driving rod of the pile driver does not apply force to the conical driving rod because the clamping plate 4-3 enters a step hole, but the clamping plate 4-3 is limited in the step hole by the driving rod of the pile driver, when the driving rod of the pile driver applies downward force to the precast pile, the outer end of the positioning slide block 3 is always abutted against the inner end of the precast pile, so that the precast pile is limited to rotate around the axis direction, and the friction force between the positioning slide block 3 and the inner wall of the precast pile shares the stress point of the pile cap. The dynamic load of the beating rod can be transmitted along the axial lead of the pile, thereby reducing the energy loss, improving the construction efficiency and greatly reducing the phenomena of pile head breakage and pile breakage.
The outer end face of the positioning sliding block 3 is provided with a rubber cushion layer (not shown in the figure) to avoid hard contact.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (4)
1. Novel prefabricated composite pile cap, its characterized in that: the device comprises an end plate, a guide block and a knock-off rod assembly, wherein the guide block comprises an upper guide cylinder and a lower guide cone;
a cylindrical inner cavity is formed in the guide block, one end of the cylindrical inner cavity is communicated with the upper surface of the end plate, the cylindrical inner cavity is coaxial with the guide block, a spring is arranged in the cylindrical inner cavity, the lower end of the spring is fixed at the bottom of the cylindrical inner cavity, and a supporting plate is arranged at the upper end of the spring;
a plurality of square holes are uniformly distributed on the side wall of the guide cylinder around the axis of the guide cylinder, the square holes are communicated with the cylindrical inner cavity, a positioning slide block matched with the square holes is arranged in each square hole, the outer end of each positioning slide block is a cylindrical surface with the radius equal to that of the outer wall of the guide cylinder, the positioning slide blocks can slide along the direction of the square holes, and when the outer end surface of each positioning slide block is positioned in the corresponding square hole, the inner end surface of each positioning slide block extends into the cylindrical inner cavity;
the striking rod assembly comprises a connecting rod and a conical striking rod, the conical striking rod is fixed at the lower end of the connecting rod, the conical striking rod is coaxial with the connecting rod, the lower end of the conical striking rod is fixed with the abutting plate, when the spring is in a natural state, the conical striking rod and the positioning sliding block are not interfered with each other, and the upper end of the connecting rod penetrates through the end plate and extends out of the upper part of the end plate; when the striking rod assembly is forced downwards to move downwards, the conical striking rod is abutted against the inner end of the positioning sliding block to push the outer end of the positioning sliding block to extend out of the square hole, and at the moment, the upper end of the connecting rod is positioned in the cylindrical inner cavity.
2. The novel prefabricated composite pile cap of claim 1, characterized in that: 3 or 4 square holes are uniformly distributed on the side wall of the guide cylinder around the axis of the guide cylinder.
3. The novel prefabricated composite pile cap of claim 1 or 2, characterized in that: and a rubber cushion layer is arranged on the outer end surface of the positioning sliding block.
4. The novel prefabricated composite pile cap of claim 3, characterized in that: the upper end of the connecting rod is provided with a clamping plate, the outer diameter of the clamping plate is larger than that of the connecting rod, the end plate is provided with a step hole capable of containing the clamping plate, and when the clamping plate moves downwards under external force to completely extend into the step hole, the conical striking rod pushes the outer end of the positioning sliding block out of the square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221001628.XU CN217298933U (en) | 2022-04-24 | 2022-04-24 | Novel prefabricated composite pile cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221001628.XU CN217298933U (en) | 2022-04-24 | 2022-04-24 | Novel prefabricated composite pile cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217298933U true CN217298933U (en) | 2022-08-26 |
Family
ID=82914921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221001628.XU Expired - Fee Related CN217298933U (en) | 2022-04-24 | 2022-04-24 | Novel prefabricated composite pile cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217298933U (en) |
-
2022
- 2022-04-24 CN CN202221001628.XU patent/CN217298933U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220826 |