CN219793895U - Variable cross-section prestressed concrete pile - Google Patents
Variable cross-section prestressed concrete pile Download PDFInfo
- Publication number
- CN219793895U CN219793895U CN202320958069.XU CN202320958069U CN219793895U CN 219793895 U CN219793895 U CN 219793895U CN 202320958069 U CN202320958069 U CN 202320958069U CN 219793895 U CN219793895 U CN 219793895U
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- connecting pipe
- pile body
- variable cross
- prestressed concrete
- concrete pile
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a variable cross-section prestressed concrete pile which comprises a pile body, wherein a first connecting pipe is communicated with the top of the pile body, a second connecting pipe spliced with the first connecting pipe is communicated with the bottom of the pile body, an elastic piece which is abutted against the inner bottom wall of the first connecting pipe is arranged on the surface of the second connecting pipe, and a limiting ring connected with the bottom of the pile body is fixed on the surface of the second connecting pipe; the elastic piece formed by the positioning ring, the spring and the connecting ring is designed on the surface of the connecting pipe II, so that the connecting pipe II connected with the bottom of the pile body has a certain elastic support when the connecting pipe I connected with the top of the adjacent pile body is in butt joint limit, and the locking sleeve sleeved on the surface of the connecting pipe II is matched with the connecting pipe I to carry out thread limit.
Description
Technical Field
The utility model relates to the technical field of concrete piles, in particular to a variable cross-section prestressed concrete pile.
Background
The variable cross section prestressed concrete pile refers to a pretensioned prestressed concrete precast pile with a non-circular, non-square, transverse or longitudinal variable cross section, and has the characteristics of high bearing capacity, convenient manufacture, simple die, good durability, strong corrosion resistance and the like, and can be widely applied to foundation engineering.
Common variable cross-section piles include variable cross-section solid or hollow square piles, bamboo joint piles, variable cross-section concave-convex piles and the like. The correlation of the stakes may be referred to CN104358254, CN104358253, CN104895068, CN112442977, etc.
When the variable cross-section prestressed concrete pile is connected at present, a mode of hoops and end plates is often adopted for combination, the processing mode of the welding end head has higher technological requirements in the pile prefabrication process, and meanwhile, the hoops also need special manufacturing. Therefore, the pile end connection technical scheme is not ideal for prefabricating the pile section in a construction site when certain requirements are met, but the pile section is limited by site sites and equipment conditions.
Therefore, in order to solve the problem, the utility model provides a variable cross-section prestressed concrete pile.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a variable cross-section prestressed concrete pile.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a variable cross-section prestressed concrete pile, includes the pile body, the top intercommunication of pile body has connecting pipe one, the bottom intercommunication of pile body has the connecting pipe two of pegging graft with connecting pipe one inside, the surface of connecting pipe two is equipped with the elastic component of contradicting with connecting pipe one interior bottom wall, the fixed surface of connecting pipe two has the spacing ring of being connected with the pile body bottom, the cover is equipped with movable and can dismantle the retaining member of being connected with connecting pipe one inner wall between the bottom of spacing ring and the top of elastic component.
Preferably, the elastic piece comprises a positioning ring fixed on the two surfaces of the connecting pipe, a spring sleeved on the two surfaces of the connecting pipe is fixed at the bottom of the positioning ring, and a connecting ring sleeved on the two surfaces of the connecting pipe and sliding is fixed at the other end of the spring.
Preferably, the locking piece comprises a locking sleeve sleeved on the two surfaces of the connecting pipe, an annular edge which expands outwards and is in contact with the bottom of the limiting ring is fixed at the top of the locking sleeve, and the locking sleeve is in threaded connection with the corresponding inner wall of the connecting pipe.
Preferably, the locking sleeve is of an external thread structure, and the first connecting pipe is of an internal thread structure.
Preferably, the inner wall of the locking sleeve is provided with a sealing sleeve which is in contact with the two surfaces of the connecting pipe.
Preferably, the sealing sleeve is made of flexible rubber.
Preferably, the surface diameter of the bottom of the locking sleeve is equal to the diameter of the inner wall of the first connecting pipe and is larger than the surface diameter of the positioning ring.
Preferably, the surface of the annular edge is provided with anti-skid grooves which are circumferentially and equidistantly distributed.
Compared with the prior art, the utility model provides the variable cross-section prestressed concrete pile, which has the following beneficial effects:
this variable cross-section prestressed concrete pile, the elastic component design through holding ring, spring and go-between constitutes is at two surfaces of connecting pipe, be in order to make two connecting pipes of pile body bottom connection have certain elastic support when carrying out the butt joint spacing with connecting pipe one that adjacent pile body top is connected, and the lock sleeve of establishing in two surface departments of connecting pipe with the cover of cover like this carries out the screw thread spacing with connecting pipe one, compare traditional adoption hoop adds end plate mode and welding mode, it can be more convenient to realize that pile body and adjacent pile body carry out the butt joint spacing.
Drawings
Fig. 1 is an overall exploded view of a variable cross-section prestressed concrete pile according to the present utility model.
Fig. 2 is a schematic diagram of an overall connection structure of a variable cross-section prestressed concrete pile according to the present utility model.
Fig. 3 is a schematic diagram of a connection structure of a connection pipe one and a connection pipe two of a variable cross-section prestressed concrete pile according to the present utility model.
Fig. 4 is a cross-sectional view showing the connection between the first connecting pipe and the second connecting pipe of the variable cross-section prestressed concrete pile according to the present utility model.
Fig. 5 is an exploded view of a connection between a first connection pipe and a second connection pipe of a variable cross-section prestressed concrete pile according to the present utility model.
In the figure: 1. a pile body; 2. a first connecting pipe; 3. a second connecting pipe; 4. an elastic member; 41. a positioning ring; 42. a spring; 43. a connecting ring; 5. a limiting ring; 6. a locking member; 61. a locking sleeve; 62. an annular edge; 63. and (5) sealing the sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
It should be noted that, because the precast pile is relatively long, in order to describe innovation points more clearly, the connection part is shown, and the structure of the variable cross section and the like are not described in detail. The relevant content may be referred to the prior art.
Referring to fig. 1 to 5, a variable cross-section prestressed concrete pile is provided, which comprises a pile body 1, wherein a first connecting pipe 2 is communicated with the top of the pile body 1, a second connecting pipe 3 which can be inserted into the first connecting pipe 2 is communicated with the bottom of the pile body 1, an elastic piece 4 which is abutted against the inner bottom wall of the first connecting pipe 2 is arranged on the surface of the second connecting pipe 3, a limiting ring 5 which is connected with the bottom of the pile body 1 is fixed on the surface of the second connecting pipe 3, and a locking piece 6 which is movable and can be detachably connected with the inner wall of the first connecting pipe 2 is sleeved between the bottom of the limiting ring 5 and the top of the elastic piece 4.
In the embodiment, a high-strength prestressed concrete structure is formed in the pile body, and the pile body has better compression resistance, pulling resistance, bending resistance and shearing resistance.
In the utility model, when the adjacent pile body 1 is limited by pile extension, the connecting pipe II 3 fixed at the bottom of the pile body 1 is inserted into the connecting pipe I2 fixed at the top of the adjacent pile body 1, when the connecting ring 43 sleeved on the surface of the connecting pipe II 3 is contacted with the inner bottom wall of the connecting pipe I2, the connecting ring 43 slides along the surface of the connecting pipe II 3 to press the spring 42, so that the connecting pipe II 3 and the connecting pipe I2 have a certain elastic support in abutting joint, thus the locking sleeve 61 sleeved on the surface of the connecting pipe II 3 can be matched for threaded connection with the inner wall of the connecting pipe I2, further abutting joint limit between the adjacent pile bodies 1 is realized, and the outer surface of the locking sleeve 61 and the inner surface of the connecting pipe I2 as well as the inner surface of the locking sleeve 61 and the movable sleeve of the connecting pipe II 3 are designed, so that the pile body 1 and the pile body 1 of the adjacent pile body 1 are abutted conveniently, and the stress effect of the pile body 1 and the adjacent pile body 1 can be ensured to be connected in a rigid manner compared with the stress born by the traditional pile body 1 and the adjacent pile body 1.
In this embodiment, the upper and lower ends of each pile body are respectively provided with the connecting pipes, so that when the adjacent pile bodies are connected, the corresponding connecting pipes are only required to be combined. In this way, pile bodies can be sequentially connected to form a pile foundation formed by connecting 2 to 5 pile bodies. From the above embodiments, the design of the present utility model can be used for various types of variable diameter precast piles. Such as bamboo pitch round piles and bamboo joint square piles. Whether the way of reducing is concave or convex is all that is required. There is no need to make excessive restrictions on the variation (variable cross section). In some patents or papers, variable diameter or variable cross-section piles are also referred to as profiled piles, and those skilled in the art will appreciate that these pile types are of different cross-sectional sizes at different locations along the length of the pile body. For example, a plurality of sections of depressions or protrusions are formed on the pile body, and the sections of the depressions or protrusions are smaller or larger than the sections of other parts.
Referring to fig. 4 and 5, the elastic member 4 includes a positioning ring 41 fixed on the surface of the second connecting pipe 3, a spring 42 sleeved on the surface of the second connecting pipe 3 is fixed at the bottom of the positioning ring 41, and a connecting ring 43 sleeved on the surface of the second connecting pipe 3 to slide is fixed at the other end of the spring 42.
In the utility model, the elastic piece 4 is designed to be used for matching the connecting pipe II 3 with the connecting pipe I2 in butt joint, so that certain elastic support can be carried out, and the locking sleeve 61 can conveniently fix the connecting pipe I2 and the connecting pipe II 3. The pile body is ensured not to excessively deform or damage under the action of external force, so that the stability and the safety of the pile body are improved, the influence of external force such as earthquake on the pile body is effectively buffered, the anti-seismic and anti-pulling capacity of the pile body is improved, and the pile body has better durability and service life.
Referring to fig. 4 and 5, the locking member 6 includes a locking sleeve 61 sleeved on the surface of the second connecting pipe 3, an annular edge 62 which expands outwards and abuts against the bottom of the limiting ring 5 is fixed on the top of the locking sleeve 61, and the locking sleeve 61 is in threaded connection with the corresponding inner wall of the first connecting pipe 2.
According to the utility model, the design of the locking piece 6 is used for ensuring that the pile body 1 and the adjacent pile body 1 are convenient for butt joint and limit, and simultaneously ensuring that the stress effect of hard connection between the pile body 1 and the adjacent pile body 1 is more ideal. The pile body can be effectively prevented from being deformed or damaged when being acted by external force, so that the stability and the safety of the pile body are improved. The gap between the inner wall of the first connecting pipe 2 and the locking sleeve 61 is filled by the annular edge, so that a better locking effect is realized. The fixing can be completed only by rotating during installation, and the fixing device is very convenient and quick. The method is suitable for pile foundation engineering of various different types, and can be flexibly adjusted and applied according to actual conditions.
Referring to fig. 5, the locking sleeve 61 has an external screw structure, and the connection pipe 12 has an internal screw structure.
In the utility model, the locking sleeve 61 with the external thread structure and the connecting pipe I2 with the internal thread are mainly convenient for realizing the fixation between the connecting pipe I2 and the connecting pipe II 3, and the pile body 1 and the adjacent pile body 1 are convenient for pile extension.
Referring to fig. 5, the inner wall of the locking sleeve 61 is provided with a sealing sleeve 63 abutting against the surface of the second connecting pipe 3.
In the utility model, by the design of the sealing sleeve 63, when the pile body 1 is subjected to strong vibration later, the stress generated by the pile body 1 can be effectively dispersed, and compared with the rigid design, the problem of damage to the pile body 1 can be reduced.
Referring to fig. 5, the sealing sleeve 63 is made of flexible rubber.
In the utility model, the sealing sleeve 63 made of flexible rubber is adopted, so that the second connecting pipe 3 and the locking sleeve 61 have certain elastic contact, and the stress effect of the pile body 1 in subsequent use can be improved.
Referring to fig. 4, the surface diameter of the bottom of the locking sleeve 61 is equal to the inner wall diameter of the connection pipe one 2 and is larger than the surface diameter of the positioning ring 41.
In the utility model, the surface diameter of the positioning ring 41 is smaller than the surface diameter of the locking sleeve 61, so that the positioning ring can be matched with the second connecting pipe 3 to be arranged in the first connecting pipe 2, and can swing to a certain extent when the pile body 1 and the adjacent pile body 1 are subjected to strong vibration later, thereby being beneficial to improving the stability of the use.
Referring to fig. 1-2, the surface of the annular rim 62 is provided with circumferentially equidistant anti-skid grooves.
In the utility model, through the design of the anti-skid groove, the annular edge 62 is convenient for driving the locking sleeve 61 to be stressed easily when being connected with the first connecting pipe 2. The pile body can be effectively prevented from being deformed or damaged when being acted by external force, so that the stability and the safety of the pile body are improved. The anti-slip grooves which are circumferentially and equidistantly distributed can increase friction force between the anti-slip grooves and one inner wall of the connecting pipe, so that a better locking effect is achieved. Has better durability and service life.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a variable cross-section prestressed concrete pile, its characterized in that, including pile body (1), the top intercommunication of pile body (1) has connecting pipe one (2), the bottom intercommunication of pile body (1) has connecting pipe two (3) of pegging graft with connecting pipe one (2) inside, the surface of connecting pipe two (3) is equipped with elastic component (4) of contradicting with connecting pipe one (2) interior bottom, the fixed surface of connecting pipe two (3) has spacing ring (5) of being connected with pile body (1) bottom, the cover is equipped with movable and can dismantle retaining member (6) of being connected with connecting pipe one (2) inner wall between the bottom of spacing ring (5) and the top of elastic component (4).
2. A variable cross-section prestressed concrete pile according to claim 1, wherein the elastic member (4) comprises a positioning ring (41) fixed on the surface of the second connecting pipe (3), a spring (42) sleeved on the surface of the second connecting pipe (3) is fixed at the bottom of the positioning ring (41), and a connecting ring (43) sleeved on the surface of the second connecting pipe (3) to slide is fixed at the other end of the spring (42).
3. The variable cross-section prestressed concrete pile according to claim 1, wherein the locking member (6) comprises a locking sleeve (61) sleeved on the surface of the second connecting pipe (3), an annular edge (62) which expands outwards and is in contact with the bottom of the limiting ring (5) is fixed at the top of the locking sleeve (61), and the locking sleeve (61) is in threaded connection with the corresponding inner wall of the first connecting pipe (2).
4. A variable cross-section prestressed concrete pile according to claim 3, wherein said locking sleeve (61) has an external screw structure and said connecting pipe 1 (2) has an internal screw structure.
5. A variable cross-section prestressed concrete pile according to claim 3, characterized in that the inner wall of the locking sleeve (61) is provided with a sealing sleeve (63) abutting against the surface of the second connecting pipe (3).
6. A variable cross-section prestressed concrete pile according to claim 5, characterized in that said sealing sleeve (63) is of flexible rubber material.
7. A variable cross-section prestressed concrete pile according to claim 3, wherein the surface diameter of the bottom of said locking sleeve (61) is equal to the inner wall diameter of the first connecting pipe (2) and greater than the surface diameter of the positioning ring (41).
8. A variable cross-section prestressed concrete pile according to claim 3, characterized in that the surface of said annular rim (62) is provided with circumferentially equidistant anti-skid grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320958069.XU CN219793895U (en) | 2023-04-25 | 2023-04-25 | Variable cross-section prestressed concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320958069.XU CN219793895U (en) | 2023-04-25 | 2023-04-25 | Variable cross-section prestressed concrete pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219793895U true CN219793895U (en) | 2023-10-03 |
Family
ID=88150389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320958069.XU Active CN219793895U (en) | 2023-04-25 | 2023-04-25 | Variable cross-section prestressed concrete pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219793895U (en) |
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2023
- 2023-04-25 CN CN202320958069.XU patent/CN219793895U/en active Active
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| GR01 | Patent grant | ||
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