CN214194505U - Precast pile splicing device and precast pile - Google Patents
Precast pile splicing device and precast pile Download PDFInfo
- Publication number
- CN214194505U CN214194505U CN202022628421.2U CN202022628421U CN214194505U CN 214194505 U CN214194505 U CN 214194505U CN 202022628421 U CN202022628421 U CN 202022628421U CN 214194505 U CN214194505 U CN 214194505U
- Authority
- CN
- China
- Prior art keywords
- precast pile
- pile
- holes
- precast
- connection pad
- 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.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model belongs to the technical field of the precast pile, a precast pile splicing device and precast pile is disclosed, lead to the difficult guarantee problem of pile splicing quality in order to solve current pile splicing location difficulty, and a precast pile splicing device and precast pile are provided. The utility model discloses precast pile extension device, including the connection pad, set up a plurality of through-holes that are arranged in the reinforcing bar of precast pile to pass on the connection pad, set up at least one on the lateral wall of connection pad and extend into the inside slip casting hole of connection pad, the slip casting passageway that communicates each other with the slip casting hole is seted up to the up end of connection pad and/or lower terminal surface.
Description
Technical Field
The utility model belongs to the technical field of the precast pile, concretely relates to precast pile splicing device and precast pile.
Background
The precast pile is suitable for geological treatment such as silt, cohesive soil, silt, sand soil and artificial filling, and can be a precast concrete pile with side length of 150-300 mm, a prestressed concrete pipe pile with diameter of 300mm, a steel pipe pile with section size of 100-300 mm, section steel and the like as the precast pile for foundation reinforcement.
The construction process of the precast pile mainly comprises the following steps: pile foundation in-place-hoisting precast pile-stabilizing-piling (piling with drop hammer or single-acting pneumatic hammer) -pile-splicing (adopting welding or slurry anchoring method for splicing under the condition of insufficient pile length) -pile-sending-detecting and accepting and the like.
Fig. 1 is a schematic diagram of pile splicing in the prior art, wherein fig. 1a is a schematic diagram before pile splicing, and fig. 1b is a schematic diagram during pile splicing and after pile splicing is completed. The precast pile comprises a pile body and a steel end plate arranged at the end part of the pile body, wherein the pile body and the end plate are integrally formed, and when pile splicing is carried out, the end plates of the two pile bodies are directly welded together. When the pile splicing mode is used, the pile body has a large weight, so that the positioning of the pile splicing is difficult, the pile splicing efficiency is low, and the pile splicing quality is not easy to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current pile extension location difficulty and lead to the difficult guarantee problem of pile extension quality, and provide a precast pile extension device and precast pile.
For solving the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a precast pile extension device, its characterized in that includes the connection pad, set up a plurality of through-holes that are arranged in the reinforcing bar of precast pile to pass on the connection pad, set up at least one slip casting hole that extends into the connection pad inside on the lateral wall of connection pad, the slip casting passageway that communicates each other with the slip casting hole is seted up to the up end and/or the lower terminal surface of connection pad.
In some embodiments, the periphery of the connecting disc is provided with a coating layer for coating the ends of the two precast piles and forming a grouting space.
In some embodiments, the cladding layer is provided with a exposing hole for exposing the grouting hole of the connection pad or has a gap for exposing the grouting hole of the connection pad.
In some embodiments, two sets of through holes are formed in the connecting disc, and each set of through holes comprises three through holes which are matched with three steel bars in the precast pile; one group of through holes in the two groups of through holes are used for being mutually matched with the three steel bars of one precast pile, and the other group of through holes in the two groups of through holes are used for being mutually matched with the three steel bars of the other precast pile.
In some embodiments, three vias of each of the two sets of vias form a triangle.
The utility model also provides a precast pile, including the pile body, its characterized in that, the pile body has set pile extension device.
Compared with the prior art, the utility model discloses following beneficial effect has:
when the precast pile splicing device and the precast pile are used, when the precast pile is required to be spliced, firstly, reinforcing steel bars inside two precast piles are inserted into through holes of a connecting disc, and the through holes on the connecting disc and the reinforcing steel bars in the pile body are used for positioning, so that the problem of difficult positioning of the precast pile during splicing is solved; and then coating a coating layer on the peripheries of the two precast piles, injecting cement slurry into the grouting holes of the connecting discs for grouting, and injecting the injected cement slurry into the grouting holes and flowing out of the grouting channels, so that the two precast piles are connected together to complete pile extension. Compared with the prior art which adopts a welding mode, the utility model has the characteristics of convenient positioning and high positioning precision; meanwhile, the two precast piles are connected in a cement grouting mode, and the precast pile has the characteristic of high connection strength.
And simultaneously the utility model discloses a pile extension device need not make again and connect the end plate in the manufacturing process of precast pile when using, can reduce the manufacturing cost of precast pile.
Drawings
Fig. 1 is a schematic view of a precast pile splicing of the prior art (wherein fig. 1a shows a schematic view before the precast pile splicing and fig. 1b shows a schematic view when the precast pile splicing is performed);
fig. 2 is a schematic view of a state structure in which the reinforcing bars of the pile body are inserted into the through holes of the connecting plate according to the present invention;
fig. 3 is a schematic structural view of a state when the present invention is implemented, in which two pile bodies are connected and a coating layer is coated on the periphery of the pile bodies;
fig. 4 is a schematic diagram of a top view structure of a connection pad of the present invention, in which 2 sets of through holes are provided on the connection pad, each set of through holes includes three through holes, where three black through holes in the schematic diagram are represented as one set of through holes for being adapted to a steel bar of one precast pile, and three white through holes in the schematic diagram are represented as another set of through holes for being adapted to a steel bar of another precast pile;
the labels in the figure are: 1. the prefabricated pile comprises a prefabricated pile body 11, a pile body 12, end plates 13, reinforcing steel bars 2, connecting discs 21, through holes 22, grouting holes 23, grouting channels 3 and iron sheets.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Combine the attached drawing, the utility model discloses a precast pile extension device and precast pile, including connection pad 2, set up a plurality of through-holes 21 that are arranged in reinforcing bar 13 of precast pile 1 to pass on connection pad 2, set up at least one on connection pad 2's the lateral wall and extend into connection pad 2 inside slip casting hole 22, the slip casting passageway 23 that communicates each other with slip casting 22 holes is seted up to connection pad 2's up end and/or lower terminal surface.
Wherein, in some embodiments, the grouting channel 23 and the grouting hole 22 are integrally formed. In some embodiments, the grouting passage 23 and the grouting hole 22 may also communicate with each other for separate processing.
The number of the grouting holes 22 can be 1 or 2, so that cement slurry can be conveniently injected from the grouting holes 22.
The external dimension of the connecting disc 2 should be smaller than the external diameter of the precast pile 1, so that the connecting disc 2 can be coated in the cement after casting. Wherein, the appearance of connection pad 2 can be prototype, triangle-shaped, rectangle, trapezoidal, waist type, the polygon that the limit number is greater than 4 etc, the utility model discloses do not do specific restriction to the appearance of connection pad 2.
In some embodiments, the periphery of the connecting disc 2 is provided with a coating layer 3 for coating the ends of the two precast piles 1 and forming a grouting space, wherein the coating layer 3 may be made of iron sheet, aluminum sheet, or the like, and the material of the coating layer 3 is not limited in this disclosure.
In some embodiments, the cladding layer 3 is provided with a bare hole for exposing the grout hole 22 of the connection pad 2 or the cladding layer 3 has a gap for exposing the grout hole 22 of the connection pad 2. That is, the coating layer 3 does not shield the grouting holes 22 of the coupling disc 2 so that cement slurry can be injected through the grouting holes 22.
In some embodiments, two sets of through holes are formed in the connecting disc 2, and each set of through holes includes three through holes 21 adapted to three steel bars in the precast pile; one group of through holes 21 in the two groups of through holes are used for being mutually matched with the three steel bars 13 of one precast pile 1, and the other group of through holes 21 in the two groups of through holes are used for being mutually matched with the three steel bars 13 of the other precast pile 1.
Wherein, the utility model discloses when seting up the through-hole, the quantity of through-hole and the mutual adaptation of the quantity of reinforcing bar 13 in two precast piles 1 to be convenient for can utilize each reinforcing bar 13 in the pile body 11 to fix a position, can enough improve the precision of location, can improve the intensity that two precast piles are connected simultaneously again.
In some embodiments, to improve the stability of the connection, three through holes 21 in each of the two sets of through holes form a triangle.
The utility model also provides a precast pile, including pile body 11, pile body 11 sets pile extension device. The construction of the pile splicing device has been described in detail above and will not be described in detail here.
When the precast pile splicing device and the precast pile are used, when the precast pile is required to be spliced, firstly, reinforcing steel bars inside two precast piles are inserted into through holes of a connecting disc, and the through holes on the connecting disc and the reinforcing steel bars in the pile body are used for positioning, so that the problem of difficult positioning of the precast pile during splicing is solved; and then coating a coating layer on the peripheries of the two precast piles, injecting cement slurry into the grouting holes of the connecting discs for grouting, and injecting the injected cement slurry into the grouting holes and flowing out of the grouting channels, so that the two precast piles are connected together to complete pile extension. Compared with the prior art which adopts a welding mode, the utility model has the characteristics of convenient positioning and high positioning precision; meanwhile, the two precast piles are connected in a cement grouting mode, and the precast pile has the characteristic of high connection strength.
And simultaneously the utility model discloses a pile extension device need not make again and connect the end plate in the manufacturing process of precast pile when using, can reduce the manufacturing cost of precast pile.
Above, without any formal and essential limitations of the invention, it should be pointed out that, for a person skilled in the art, without departing from the method of the invention, several improvements and additions will be possible, which shall also be considered as the scope of protection of the invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a precast pile extension device, its characterized in that includes the connection pad, set up a plurality of through-holes that are arranged in the reinforcing bar of precast pile to pass on the connection pad, set up at least one slip casting hole that extends into the connection pad inside on the lateral wall of connection pad, the slip casting passageway that communicates each other with the slip casting hole is seted up to the up end and/or the lower terminal surface of connection pad.
2. A precast pile extension device according to claim 1, wherein the periphery of the connection disc is provided with a coating layer for coating the ends of two precast piles and forming a grouting space.
3. A precast pile extension device according to claim 2, wherein the cladding layer is provided with an exposing hole for exposing the grouting hole of the connection disc or has a gap for exposing the grouting hole of the connection disc.
4. A precast pile extension device according to any one of claims 1 to 3, wherein two groups of through holes are formed in the connecting disc, and each group of through holes comprises three through holes which are matched with three steel bars in a precast pile; one group of through holes in the two groups of through holes are used for being mutually matched with the three steel bars of one precast pile, and the other group of through holes in the two groups of through holes are used for being mutually matched with the three steel bars of the other precast pile.
5. A precast pile extension device according to claim 4, wherein three through holes of each of the two sets of through holes form a triangle.
6. A precast pile comprising a pile body, characterised in that the pile body is provided with a pile extension device according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022628421.2U CN214194505U (en) | 2020-11-14 | 2020-11-14 | Precast pile splicing device and precast pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022628421.2U CN214194505U (en) | 2020-11-14 | 2020-11-14 | Precast pile splicing device and precast pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214194505U true CN214194505U (en) | 2021-09-14 |
Family
ID=77646933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022628421.2U Active CN214194505U (en) | 2020-11-14 | 2020-11-14 | Precast pile splicing device and precast pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214194505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508096A (en) * | 2022-03-03 | 2022-05-17 | 李硕 | Cement precast pile connecting piece |
-
2020
- 2020-11-14 CN CN202022628421.2U patent/CN214194505U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508096A (en) * | 2022-03-03 | 2022-05-17 | 李硕 | Cement precast pile connecting piece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111424644B (en) | Carrier pile construction process | |
| CN108797587A (en) | A kind of novel sinking construction technology of static pressed pile | |
| CN112523215B (en) | Multi-equipment efficient construction method for carrier pile | |
| CN214194505U (en) | Precast pile splicing device and precast pile | |
| CN101560772A (en) | Prestressed grid anchorage technology for side slope governance | |
| CN208023601U (en) | A kind of prefabricated pile foundation support table side form of mutual buckle type | |
| CN108643215B (en) | Construction method of anchor pier type foundation after rotary spraying and pressing into variable cross section | |
| CN110886294A (en) | PRC (prestressed concrete pipe) pipe pile for deep foundation pit supporting and pile splicing method thereof | |
| CN116201101A (en) | Construction method of ultra-long plain soil compaction pile in collapsible loess area with low water content | |
| CN213508572U (en) | Piping lane supporting construction | |
| CN212375877U (en) | Occlusive pile construction device | |
| CN208088290U (en) | Organizational pile foundation structure | |
| CN217710686U (en) | Double static pressure belt steel core prestressed concrete pipe pile | |
| CN211922605U (en) | Equal-core flexible-rigid composite pile | |
| CN211006690U (en) | Underground foundation pit supporting reinforcement structure based on energy station | |
| CN109898505A (en) | With the compound tubular pole of reinforced structure in soft stratum | |
| CN216689366U (en) | Prefabricated square cross-section reinforced concrete pile structure | |
| CN217151219U (en) | Template capable of enabling settlement joint floors to pour concrete simultaneously | |
| CN217480162U (en) | Pile foundation steel reinforcement cage temporary fixing device | |
| CN211228481U (en) | PRC tubular pile for deep foundation pit supporting | |
| CN219315755U (en) | Temporary support device for pile foundation penetrating through deep-buried roadway | |
| CN218814395U (en) | Reverse construction method construction pile column and steel structure connecting structure | |
| CN213625669U (en) | Tower foundation capable of enhancing pulling resistance | |
| CN116538863B (en) | High-resistance wet-connection assembled bullet-shielding layer and preparation method thereof | |
| CN203452065U (en) | Non-prestressed high-strength centrifugal concrete tubular pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |