CN210031886U - Prefabricated pile centering connecting component - Google Patents
Prefabricated pile centering connecting component Download PDFInfo
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- CN210031886U CN210031886U CN201920349584.1U CN201920349584U CN210031886U CN 210031886 U CN210031886 U CN 210031886U CN 201920349584 U CN201920349584 U CN 201920349584U CN 210031886 U CN210031886 U CN 210031886U
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Abstract
The utility model relates to a prefabricated pile post centering linking member belongs to the building industry prefab and connects the field, when having solved among the prior art stake and post separately prefabricated centering connection, current centering method wastes time and energy, connects inconveniently, the low problem of centering precision. The utility model discloses a centering connecting elements includes: the first steel cylinder, the second steel cylinder and the third steel cylinder. The central axes of the first steel cylinder and the third steel cylinder are coincided, the third steel cylinder is inserted into the precast pile and clings to the inner wall of the precast pile, the precast column is sleeved on the first steel cylinder, the first steel cylinder clings to the inner wall of the precast column, and the axial positions of the connecting piece and the precast column are determined through the bracket. After the connection is finished, the first steel cylinder and the third steel cylinder are coaxial, so that the precast pile and the precast column are coaxial. The utility model discloses a quick centering of stake and post has solved the low problem of stake and post centering precision, and positioning speed is fast, convenient to use, economy is suitable for.
Description
Technical Field
The utility model relates to a field is connected to the construction industry prefab, especially relates to a precast pile centering linking member.
Background
The foundation construction mode of cast-in-place plays an important role in most of the current engineering construction by virtue of the superiority, but a large amount of templates are required, the field workload is large, and the construction period is long. For example, in urban construction, because the traffic volume is large, the traffic is prevented from being influenced for a long time, the construction needs to be completed quickly, and the requirement cannot be met by cast-in-place. The prefabricated foundation construction well avoids the problems and has the advantages of short construction period, high product quality, low energy consumption, small environmental pollution and the like, so that the prefabricated foundation construction mode is rapidly developed.
Due to the advantages of prefabricated foundation construction, the prefabricated foundation construction method is quickly applied to a plurality of structures produced in engineering. By adopting the prefabricated construction mode, the piles and the columns are prefabricated separately and then transported to the site for splicing, and the centering problem of the prefabricated piles and the prefabricated columns needs to be considered during splicing. If the centering precision of the two can not be ensured, the engineering requirements can not be met.
The existing centering method of the precast pile and the precast column is generally characterized in that a metal end plate is arranged at one end of the pile and one end of the column, the precast column is centered with the precast pile after being lifted through a lifting device, and then the two end plates are welded to be connected and fixed. Therefore, a technical method is needed to solve the problems of low centering precision of the precast pile and the precast column, complicated and inconvenient centering connection operation and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned analysis, the utility model aims at providing a prefabricated pile post centering linking member for when solving among the prior art stake and post separately prefabrication and butt joint, current centering method is wasted time and energy, connects inconveniently, problem that the centering precision is low.
The purpose of the utility model is mainly realized through the following technical scheme:
a connecting member for precast pile pair, comprising: the device comprises a first steel cylinder, a supporting and positioning structure and a third steel cylinder; the central axes of the first steel cylinder and the third steel cylinder are superposed;
the outer diameter of the first steel cylinder is the same as the inner diameter of the precast pile, so that the first steel cylinder is tightly attached to the inner wall of the precast pile, the outer diameter of the third steel cylinder is the same as the inner diameter of the precast pile, and the third steel cylinder is tightly attached to the inner wall of the precast pile;
one end of the supporting and positioning structure is connected with the first steel cylinder, and the other end of the supporting and positioning structure is connected with the third steel cylinder; the supporting and positioning structure is used for supporting the self weight and the weight of the prefabricated column during centering connection.
The support location structure includes: the second steel cylinder, the first bracket and the second bracket.
Specifically, the outer diameter of the upper end face of the second steel cylinder is the same as that of the first steel cylinder; the outer diameter of the lower end face of the second steel cylinder is the same as that of the third steel cylinder.
Specifically, the upper end parts of the first steel cylinder and the second steel cylinder are fixedly connected or are of an integral structure; the third steel cylinder is fixedly connected with the lower end part of the second steel cylinder or is of an integral structure.
Specifically, the second steel cylinder is cylindrical or truncated cone.
Specifically, the first bracket and the second bracket are both arranged on the second steel cylinder and are fixedly connected with the second steel cylinder;
specifically, the first bracket is used for limiting the axial displacement of the prefabricated column relative to the first steel cylinder; the second bracket is used for limiting the axial displacement of the second steel cylinder relative to the precast pile.
Specifically, according to the requirement of meeting the strength of the supporting prefabricated column, a plurality of first brackets are uniformly distributed on the periphery of the second steel cylinder; according to the requirement that satisfies supporting connection spare and prefabricated post intensity, the second bracket has a plurality ofly, and evenly distributed is peripheral at the second steel cylinder.
Specifically, the first bracket and the second bracket are both triangular plates.
Specifically, when the second steel cylinder is cylindrical, the plane where the right-angle side of the triangular plate is located is fixedly connected with the second steel cylinder; when the second steel cylinder is in a circular truncated cone shape, the plane where the bevel edge of the triangular plate is located is fixedly connected with the second steel cylinder.
Specifically, the upper end face of the first bracket is flush with the upper end face of the second steel cylinder and is perpendicular to the outer surface of the first steel cylinder; the lower end face of the second bracket is flush with the lower end face of the second steel cylinder and is perpendicular to the outer surface of the third steel cylinder.
The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.
FIG. 1 shows a prefabricated pile centering connection member (with an equal cross section);
FIG. 2 shows a connection state (equal section) of the precast pile and the connecting member;
fig. 3 shows a precast pile centering connection member (variable cross section).
Reference numerals:
1-a first steel cylinder; 2-1-a second steel cylinder; 2-2-first corbel; 2-3-a second corbel; 3-a third steel cylinder; 6-prefabricating a column; 7-precast pile.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
An embodiment of the utility model provides a component is connected in precast pile centering, as shown in fig. 1, include: the first steel cylinder 1, support location structure and third steel cylinder 3. The first steel cylinder 1 and the third steel cylinder 3 are fixedly connected with the supporting and positioning structure or are of an integral structure.
The central axes of the first steel cylinder 1 and the third steel cylinder 3 are superposed, when in use, the third steel cylinder 3 is arranged in the precast pile 7, and the third steel cylinder 3 is tightly attached to the inner wall of the precast pile 7 and is positioned by the supporting and positioning structure. The prefabricated column 6 is sleeved on the first steel cylinder 1, and the first steel cylinder 1 is tightly attached to the inner wall of the prefabricated column 6 and is positioned through a supporting and positioning structure, as shown in fig. 2.
In order to guarantee the structural strength who joins the component, the utility model discloses a centering connecting element adopts the steel construction, can adjust the inner diameter of connecting element center through-hole according to required intensity, changes connecting element steel cylinder thickness to make connecting element can bear the weight of prefabricated post 6.
It is worth noting that in order to ensure the centering accuracy of the precast pile 7 and the precast column 6, the outer diameter of the first steel cylinder 1 is the same as the inner diameter of the precast column 6, the first steel cylinder 1 clings to the inner wall of the precast column 6, the outer diameter of the third steel cylinder 3 is the same as the inner diameter of the precast pile 7, and the third steel cylinder 3 clings to the inner wall of the precast pile 7. In order to ensure smooth sleeve connection, the outer diameter of the first steel cylinder 1 or the third steel cylinder 3 can be slightly smaller than the inner hole diameter of the precast pile 7 or the precast column 6 within the range allowed by centering precision.
Considering, the inner hole diameter of the prefabricated column 6 is the same as the outer diameter of the first steel cylinder 1, and the difficulty of the hoisting equipment hoisting of the prefabricated column 6 and the first steel cylinder 1 in sleeve joint matching is large. Therefore, in order to smoothly fit the precast column 6 on the first steel cylinder 1 of the connecting member, the first steel cylinder 1 has a guiding structure, not shown in the figure, which may be a truncated cone-shaped steel cylinder with a narrow top and a wide bottom, and is fixedly connected to the upper end of the main body of the first steel cylinder 1. Because, the tip diameter is less on the round platform, consequently, make things convenient for prefabricated post 6 to cup joint smoothly outside the guide structure, further, guide structure guide prefabricated post 6 overlaps on first steel cylinder 1, and the inner wall of prefabricated post 6 has been hugged closely to the main part of first steel cylinder 1, has guaranteed centering accuracy.
Specifically, the support positioning structure includes: a second steel cylinder 2-1, a first bracket 2-2 and a second bracket 2-3.
The second steel cylinder 2-1 is used as a middle connecting part to be connected with the first steel cylinder 1 and the third steel cylinder 3 and is fixedly connected with the first steel cylinder 1 and the third steel cylinder 3 or is integrally arranged. When the diameter of the precast pile is equal to that of the precast column, the outer diameters of the corresponding first steel cylinder 1, the second steel cylinder 2 and the third steel cylinder 3 are also equal, and at the moment, the first steel cylinder 1, the second steel cylinder 2 and the third steel cylinder 3 are of an integral structure.
Specifically, the second steel cylinder 2-1 is respectively connected with the first steel cylinder 1 and the third steel cylinder 3, and the outer diameter of the upper end face of the second steel cylinder 2-1 is the same as that of the first steel cylinder 1; the outer diameter of the lower end face of the second steel cylinder 2-1 is the same as that of the third steel cylinder 3.
Considering that the diameters of the precast pile 7 and the precast pile 6 are equal or unequal, the second steel cylinder 2-1 may be cylindrical or truncated cone.
When the diameters of the precast pile columns are equal, the diameters of the first steel cylinder 1 and the third steel cylinder 3 are also equal. When the diameters of the precast pile columns are unequal, the diameters of the first steel cylinder 1 and the third steel cylinder 3 are also unequal. The second steel cylinder 2-1 is a middle connection structure of the first steel cylinder 1 and the third steel cylinder 3, so that when the diameters of the prefabricated pile columns are equal, the second steel cylinder 2-1 is cylindrical; when the diameters of the precast pile columns are unequal, the second steel cylinder 2-1 is in a circular truncated cone shape. The circular truncated cone type centering connecting component is suitable for the situation that the diameters of the precast piles are different, and the structural form of the circular truncated cone type centering connecting component is shown in figure 3.
Specifically, the precast pile 7 of the connecting member is a hollow cylindrical structure, and the second bracket 2-3 is designed to be a support of the connecting member in order to prevent the connecting member from falling into an inner hole of the precast pile 7. Meanwhile, after the prefabricated column 6 is sleeved with the first steel cylinder 1, the first bracket 2-2 is designed to limit the axial displacement of the prefabricated column 6, and the first bracket 2-2 is used as a support of the prefabricated column.
That is, the first bracket 2-2 is used to position the prefabricated column 6 for axial displacement relative to the first steel cylinder 1; the second bracket 2-3 is used to locate the axial displacement of the connecting member relative to the pre-cast pile 7.
Specifically, the first bracket 2-2 and the second bracket 2-3 are both arranged on the second steel cylinder 2-1 and fixedly connected with the second steel cylinder 2-1.
In particular, the first 2-2 and second 2-3 corbels may be designed as rectangular or triangular plates. When the prefabricated pile is equal in diameter, the second steel cylinder 2-1 is a cylinder, and the bracket can be designed into a rectangular plate or a triangular plate.
It is worth noting that when the diameters of the precast piles are unequal, the corresponding second steel cylinder 2-1 is in a circular truncated cone shape, in order to facilitate the matching and installation of the bracket and the second steel cylinder 2-1, the first bracket 2-2 and the second bracket 2-3 need to be designed into triangular plates, and planes corresponding to the inclined sides of the triangular plates are fixedly connected with the outer surface of the second steel cylinder 2-1.
Considering that the prefabricated column 6 has a large weight, the connecting member needs to bear the weight of the prefabricated column 6, and in order to ensure the structural strength and rigidity of the connecting member, the first brackets 2-2 are provided in plurality and uniformly distributed on the periphery of the upper end of the second steel cylinder 2-1. Correspondingly, the second brackets 2-3 are also provided with a plurality of brackets which are evenly distributed on the periphery of the lower end of the second steel cylinder 2-1. Gaps among all rows of brackets are used for providing placing spaces for reserved steel bars of the prefabricated pile.
Specifically, in order to ensure accurate centering and connection of the precast pile, the upper end surface of the first bracket 2-2 is flush with the upper end surface of the second steel cylinder 2-1 and perpendicular to the outer surface of the first steel cylinder 1. The lower end face of the second bracket 2-3 is flush with the lower end face of the second steel cylinder 2-1 and is perpendicular to the outer surface of the third steel cylinder 3.
The utility model discloses a centering connecting elements, during the use, the connecting elements inserts precast pile 7 earlier, sheathes prefabricated post 6 again. The first steel cylinder 1 and the third steel cylinder 3 of the connecting component are respectively matched with the precast pile 6 and the precast pile 7, the outer diameter of the steel cylinders at two ends of the connecting component is the same as the diameter of the inner hole of the precast pile, and the steel cylinders are respectively sleeved into the inner holes of the precast pile 7 and the precast pile 6.
Specifically, a centering connecting member with two coaxial steel cylinders is inserted into the precast pile 7, wherein the first steel cylinder 1 is tightly attached to the inner wall of the precast pile 7; the centering connecting member is not dropped into the interior of the precast pile 7 by the supporting and positioning structure.
Lifting the prefabricated column 6 by hoisting equipment, moving the prefabricated column to the position of the centering connecting member, sleeving the prefabricated column on the third steel cylinder 3, and fixing the prefabricated column by a supporting and positioning structure; since the first steel cylinder 1 and the third steel cylinder 3 are coaxial, the precast column 6 and the precast pile 7 are coaxial, and centering is completed.
And then, connecting and fixing the precast pile 7 and the reserved steel bars of the precast column 6 by welding or binding.
Further, a mould is arranged at the position of the centering connecting component, the mould surrounds and seals the centering connecting component, the preformed column 6 and the preformed column 7, a pouring hole is reserved at the upper end of the mould, concrete is poured in the mould, and the preformed column 7 and the preformed column 6 which are connected in a centering mode are combined into a whole after the concrete is solidified.
The prefabricated pile columns are tightly connected by adopting an external mold and concrete pouring mode, so that the operation is simple, the quick connection can be realized, and the connection tightness can be ensured.
Compare in the fixed mode of two metal end plates of prior art's centering postweld, adopt the utility model discloses a centering connecting elements carries out the centering, operates simpler, can combine precast pile post and connecting member fastening after the concrete solidifies as a whole, connects more fastening reliable, has improved the reliability of engineering construction, and concrete placement is compared in the welding also safer, more environmental protection. Compared with the prior art, the centering connection method provided by the embodiment has at least one of the following technical effects:
1. the alignment precision is high. The utility model discloses a connecting elements's both ends steel cylinder cooperatees with precast pile 7 and precast column 6 respectively, and the outer diameter of connecting elements two steel cylinders is the same with precast pile post hole diameter, and embolias precast pile 7 and precast column 6's hole respectively in, and the inner wall of precast column 6 is hugged closely to first steel cylinder 1, and precast pile 7's inner wall is hugged closely to third steel cylinder 3. Therefore, accurate centering of the precast pile 7 and the precast column 6 can be realized only by ensuring that the steel cylinders at the two ends of the connecting member are coaxially centered.
2. The applicability is good. The utility model discloses a linking member can be applicable to the centering of the precast pile of different grade type and connect. The diameters of the precast pile 7 and the precast column 6 are equal or unequal, and when the diameters of the precast pile columns are equal, the second steel cylinder 2-1 is cylindrical; when the diameters of the precast pile columns are unequal, the second steel cylinder is in a circular truncated cone shape.
3. The centering efficiency is high. The utility model discloses a centering connecting elements, during the implementation, the connecting elements inserts precast pile 7 earlier, sheathes prefabricated post 6 again. Because the two ends of the steel cylinder of the centering connecting component are accurate and coaxial, the prefabricated column 6 and the prefabricated pile 7 which are matched with the two ends of the steel cylinder are also coaxial, and accurate centering can be quickly realized.
4. The connection is more secure. After the prefabricated column 6 and the prefabricated pile 7 are centered, the prefabricated pile is tightly connected in a mode of adding a die and pouring concrete, so that the operation is simple, the quick connection can be realized, and the connection tightness can be guaranteed. Compare in the fixed mode of two metal end plates of prior art's centering postweld, the utility model discloses a concrete placement's fixed mode, the operation is simpler, can combine precast pile post and connecting member fastening after the concrete solidification as a whole, connects more fastening reliable, has improved the reliability of engineering construction, and concrete placement is compared in the welding also safer, more environmental protection.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A precast pile centering link member, comprising: the device comprises a first steel cylinder (1), a supporting and positioning structure and a third steel cylinder (3);
the central axes of the first steel cylinder (1) and the third steel cylinder (3) are overlapped;
the outer diameter of the first steel cylinder (1) is the same as the inner diameter of the precast column (6), and the outer diameter of the third steel cylinder (3) is the same as the inner diameter of the precast pile (7);
one end of the supporting and positioning structure is connected with the first steel cylinder (1), and the other end of the supporting and positioning structure is connected with the third steel cylinder (3);
the supporting and positioning structure is used for supporting the self weight and the weight of the prefabricated column (6) during centering connection.
2. The precast pile centering link member of claim 1, wherein the support positioning structure comprises: a second steel cylinder (2-1), a first bracket (2-2) and a second bracket (2-3).
3. The precast pile centering linking member according to claim 2, wherein the outer diameter of the upper end surface of the second steel cylinder (2-1) is the same as the outer diameter of the first steel cylinder (1); the outer diameter of the lower end face of the second steel cylinder (2-1) is the same as that of the third steel cylinder (3).
4. The precast pile centering linking member according to claim 3, wherein the first steel cylinder (1) is fixedly connected with or integrated with the upper end of the second steel cylinder (2-1); the third steel cylinder (3) is fixedly connected with the lower end part of the second steel cylinder (2-1) or is of an integral structure.
5. The precast pile centering linkage member according to claim 4, wherein the second steel cylinder (2-1) is cylindrical or truncated cone-shaped.
6. The precast pile centering linkage member according to any one of claims 2 to 5, wherein the first bracket (2-2) and the second bracket (2-3) are both provided on the second steel cylinder (2-1) and are fixedly connected with the second steel cylinder (2-1);
the first bracket (2-2) is used for limiting the axial displacement of the prefabricated column (6) relative to the first steel cylinder (1); the second brackets (2-3) are used for limiting the axial displacement of the second steel cylinder (2-1) relative to the precast pile (7).
7. The precast pile centering linking member according to claim 6, wherein the first corbel (2-2) is provided in plurality and uniformly distributed around the second steel cylinder (2-1); the second brackets (2-3) are multiple and are uniformly distributed on the periphery of the second steel cylinder (2-1).
8. The precast pile centering linkage member according to claim 7, wherein the first and second brackets (2-2 and 2-3) are each a triangular plate.
9. The precast pile centering connecting member according to claim 8, wherein when the second steel cylinder (2-1) is cylindrical, the plane of the right-angle side of the triangular plate is fixedly connected with the second steel cylinder (2-1); and when the second steel cylinder (2-1) is in a circular truncated cone shape, the plane of the bevel edge of the triangular plate is fixedly connected with the second steel cylinder.
10. The precast pile centering linkage member according to claim 9, wherein an upper end face of the first bracket (2-2) is flush with an upper end face of the second steel cylinder (2-1) and perpendicular to an outer surface of the first steel cylinder (1); the lower end face of the second bracket (2-3) is flush with the lower end face of the second steel cylinder (2-1) and perpendicular to the outer surface of the third steel cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920349584.1U CN210031886U (en) | 2019-03-19 | 2019-03-19 | Prefabricated pile centering connecting component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920349584.1U CN210031886U (en) | 2019-03-19 | 2019-03-19 | Prefabricated pile centering connecting component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210031886U true CN210031886U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920349584.1U Active CN210031886U (en) | 2019-03-19 | 2019-03-19 | Prefabricated pile centering connecting component |
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| Country | Link |
|---|---|
| CN (1) | CN210031886U (en) |
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- 2019-03-19 CN CN201920349584.1U patent/CN210031886U/en active Active
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Address after: 050011 No.36 Jianshe South Street, Qiaoxi District, Shijiazhuang City, Hebei Province Patentee after: Hebei transportation planning and Design Institute Co.,Ltd. Address before: 050011 No.36 Jianshe South Street, Shijiazhuang City, Hebei Province Patentee before: HEBEI PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE |