CN212477708U - Connecting piece, connecting steel bar and bearing structure for tensioning process concrete precast pile - Google Patents
Connecting piece, connecting steel bar and bearing structure for tensioning process concrete precast pile Download PDFInfo
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- CN212477708U CN212477708U CN202020589200.6U CN202020589200U CN212477708U CN 212477708 U CN212477708 U CN 212477708U CN 202020589200 U CN202020589200 U CN 202020589200U CN 212477708 U CN212477708 U CN 212477708U
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Abstract
The utility model provides a connecting piece, a connecting steel bar and a bearing structure for a tensioning process concrete precast pile, which relate to the technical field of building construction, and the connecting piece for the tensioning process concrete precast pile comprises a connecting piece body; the connecting steel bars comprise anchoring steel bars and the connecting piece for the tensioning process concrete precast pile; the bearing device comprises a tensioning process concrete precast pile, a reinforced concrete bearing platform and the connecting steel bars. The utility model discloses in, the anchor reinforcing bar that the anchor goes into the cushion cap is in advance in the blind hole of one end good screw thread and screw in connecting piece body one end, in the other end screw in stretch-draw fixed orifices of connecting piece body, connecting piece body and anchor reinforcing bar all carry out screw thread processing in advance, not only make stretch-draw technology concrete precast pile and reinforced concrete cushion cap be connected the easy and simple to handle of construction, fast, and the quality of control of being convenient for moreover, the construction is difficult to receive the restriction of reasons such as weather, it is low to the environmental requirement of construction, do not need the power, do not produce high temperature, construction operation security is high.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a stretch-draw technology connecting piece, connecting reinforcement and load-carrying members for concrete precast pile.
Background
The existing tensioning process concrete precast pile and the reinforced concrete bearing platform are connected with three modes:
the first method, which adopts the method of welding the anchoring bar on the steel end plate of the pile top, has the following disadvantages: 1) the construction speed is low; 2) moreover, the welding quality cannot be guaranteed due to the influence of the manual welding technical level; 3) the welding operation and the welding quality are influenced by the environment, such as rainfall, strong wind and the like; 4) the welding construction relates to the safety of using electricity and fire control safety problem, and the operation is not simple and convenient.
Secondly, when the concrete pile is a solid pile, reserving a certain pile length at the top of the concrete pile, removing the concrete of the pile body, and anchoring the longitudinal bar of the pile body into the reinforced concrete bearing platform, wherein the method has the following defects: 1) the pile body concrete is removed, time and labor are wasted, the efficiency is low, and materials are wasted; 2) when the length of the reserved pile is reduced and the length of the reserved pile body anchored by the longitudinal steel bar of the reserved pile body into the bearing platform does not meet the requirement of the designed anchoring length due to the engineering geological problem, the method is not applicable.
Thirdly, when the concrete pile is a hollow pile, the pile cavity adopts reinforced concrete core filling, and adopts a connection mode that longitudinal bars in the core filling are anchored into the bearing platform, and the method has the following defects: 1) can only be used for hollow piles, but not for solid piles; 2) the core filling construction has many processes, and not only has wet operation to prolong the construction time, but also can increase the construction cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stretch-draw technology is connecting piece, connecting reinforcement and load-carrying members for precast concrete pile to solve the problem that above-mentioned prior art exists, make stretch-draw technology precast concrete pile simple and convenient with being connected of reinforced concrete cushion cap, construction required time is short, the connection reliability is high, low, the construction safety is high to the construction environment requirement.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a connecting piece for stretch-draw technology concrete precast pile, including the connecting piece body, the one end of connecting piece body is provided with the external screw thread, the external screw thread be used for with stretch-draw fixed orifices threaded connection on the pile head end plate of stretch-draw technology concrete precast pile, the other end of connecting piece body is followed the blind hole has been seted up to the axial direction of connecting piece body, the blind hole inside wall is equipped with the internal thread, the internal thread is used for the one end threaded connection with the anchor reinforcing bar.
Preferably, the end of the connecting piece body provided with the blind hole is a first end, the end of the connecting piece body connected with the pile head end plate is a second end, and the outer diameter of the first end is larger than that of the second end.
The utility model also provides a connecting reinforcement, including anchor reinforcing bar and the arbitrary one of above-mentioned stretch-draw technology connecting piece for the concrete precast pile, the one end of anchor reinforcing bar with interior thread connection, the other end of anchor reinforcing bar is arranged in stretching into the reinforced concrete cushion cap.
The utility model also provides a load-carrying members, including stretch-draw technology precast concrete pile, reinforced concrete cushion cap and foretell connecting reinforcement, stretch-draw technology precast concrete pile includes the pile body and indulges the muscle, the pile body is close to at least the one end of reinforced concrete cushion cap is provided with the pile head end plate, indulge the muscle with pile head end plate joint, it is a plurality of to have seted up on the pile head end plate stretch-draw fixed orifices, can be used for right behind the stretch-draw fixed orifices construction bolt it carries out stretch-draw to indulge the muscle, the external screw thread with stretch-draw fixed orifices threaded connection, the other end of anchor reinforcing bar stretches into in the reinforced concrete cushion cap.
Preferably, a plurality of anchor holes have been seted up on the pile head end plate, every stretch-draw fixed orifices all with one the anchor hole intercommunication, indulge the muscle be many and length direction with the length direction of pile body is parallel, each it is provided with the anchor head to indulge the at least one end of muscle, the anchor head is used for making indulge the muscle with anchor hole joint.
Preferably, each of the anchor holes is a counter-sunk hole.
The utility model discloses for prior art gain following technological effect:
the utility model provides a connecting piece, connecting steel bar and bearing structure for a stretch-draw technology concrete precast pile, after the stretch-draw technology concrete precast pile is placed in place at the construction site, the connecting piece body which is connected with anchoring steel bars and is processed in advance is screwed into a stretch-draw fixing hole arranged on a pile head end plate, the free ends of the anchoring steel bars stretch into a reinforced concrete bearing platform, so that the stretch-draw technology concrete precast pile is mechanically connected with the reinforced concrete bearing platform, the connecting piece and the anchoring steel bars are all processed in advance by screw thread, not only the operation of the connection construction of the stretch-draw technology concrete precast pile and the reinforced concrete bearing platform is simple and convenient, the construction speed is fast, but also the reliability of the connection of the stretch-draw technology concrete precast pile and the reinforced concrete bearing platform can be ensured by controlling the processing quality of the connecting piece and the anchoring steel bars, in addition, the requirement on the construction environment is low, the construction, no need of power supply, no high temperature and high construction safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a connecting member for a tension process concrete precast pile according to an embodiment;
fig. 2 is a schematic view of the connection between the connecting steel bar and the pile head end plate provided by the present invention;
fig. 3 is a top view of a pile head end plate of a tension process concrete precast pile of the load-bearing structure provided by the present invention;
fig. 4 is the utility model provides a connection schematic diagram of connecting reinforcement and load-carrying members's stretch-draw technology concrete precast pile.
In the figure: 1-a connector body; 2, blind holes; 3-a first end; 4-a second end; 5-pile head end plate; 6-anchoring the steel bar; 7-tensioning the fixed holes; 8-anchoring holes; 9-pile body; 10-longitudinal ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a stretch-draw technology is connecting piece, connecting reinforcement and load-carrying members for precast concrete pile to solve the problem that prior art exists, make stretch-draw technology precast concrete pile simple and convenient, construction required time is short, connect the reliability high, require low, the construction safety height to the construction environment with being connected of reinforced concrete cushion cap.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
This embodiment provides a connecting piece for stretch-draw technology concrete precast pile, as shown in fig. 1, including connecting piece body 1, the one end of connecting piece body 1 is provided with the external screw thread, the external screw thread is used for with the stretch-draw fixed orifices threaded connection on the pile head end plate of stretch-draw technology concrete precast pile, blind hole 2 has been seted up along connecting piece body 1's axial direction to the other end of connecting piece body 1, be equipped with the internal thread on blind hole 2, the internal thread is used for the one end threaded connection with the anchor reinforcing bar, the one end of connecting piece body 1 is used for with anchor reinforcing bar threaded connection, the other end is used for the pile head end plate threaded connection with stretch-draw technology concrete precast pile, make the anchor reinforcing bar pass through connecting piece body 1 and stretch-draw technology concrete precast pile's pile head end plate high-speed joint, do not receive.
Further, the one side of seting up the blind hole on the connecting piece body 1 is first end 3, the one side that is used for being connected with the pile head end plate on the connecting piece body 1 is second end 4, the external diameter of first end 3 is greater than the external diameter of second end 4, be equipped with the external screw thread on the second end 4, second end 4 is used for with pile head end plate threaded connection, during 4 screw in pile head end plates of second end, after the junction of first end 3 and second end 4 is arrived soon because the external diameter of first end 3 is greater than the external diameter of second end 4 and can't continue the screw in, the length of connecting piece body 1 screw in pile head end plate has been injectd, in addition, the external diameter of first end 3 is great, be convenient for chooseing for use the great anchor reinforcing bar of diameter, can increase the steadiness.
Example two
The embodiment provides a connecting steel bar, as shown in fig. 1 to 3, including anchor steel bar 6 and the first connecting piece for the tension process precast concrete pile of embodiment, one end of anchor steel bar 6 is connected with internal thread, the other end of anchor steel bar 6 is used for stretching into the reinforced concrete bearing platform, one end of anchor steel bar 6 is screwed into blind hole 2 of connecting piece body 1 in advance, after tensioning fixed hole 7 is cleaned, connecting piece body 1 with anchor steel bar 6 is screwed into tensioning fixed hole 7 to complete the connection of anchor steel bar 6 and pile head end plate 5, the other end of anchor steel bar 6 is used for stretching into the reinforced concrete bearing platform, anchor steel bar 6 is connected with pile head end plate 5 through the connecting piece, make the connection of anchor steel bar 6 and pile head end plate 5 simple and convenient.
EXAMPLE III
The embodiment provides a load-bearing structure, as shown in fig. 1 to 4, a one-way stretch-draw process precast concrete pile is taken as an example but not limited to the one-way stretch-draw process precast concrete pile, and includes a stretch-draw process precast concrete pile, a reinforced concrete bearing platform and connection steel bars of the second embodiment, the stretch-draw process precast concrete pile includes a pile body 9 and longitudinal bars 10, a pile head end plate 5 is arranged at one end of the pile body 9 close to the reinforced concrete bearing platform, the longitudinal bars 10 are clamped with the pile head end plate 5, a plurality of stretch-draw fixing holes 5 are formed in the pile head end plate 5, the longitudinal bars 10 can be used for being tensioned after the bolts are installed in the stretch-draw fixing holes 5, external threads of the connector body 1 are in threaded connection with the stretch-draw fixing holes 5, and the other ends of the anchoring steel bars 6 extend.
When the concrete precast pile in the tensioning process is connected with a reinforced concrete bearing platform, one end of an anchoring reinforcing steel bar 6 is screwed into a blind hole 2 of a connecting piece body 1, then one end of each connecting piece body 1 provided with an external thread is screwed into a tensioning fixing hole 7, the other end of the anchoring reinforcing steel bar 6 extends into a reinforcing steel bar frame of the reinforced concrete bearing platform, and then the reinforced concrete bearing platform is subjected to concrete pouring construction, after concrete of the reinforced concrete bearing platform is solidified, the anchoring reinforcing steel bar 6 is stably connected with the reinforced concrete bearing platform, even if the concrete precast pile in the tensioning process is stably connected with the reinforced concrete bearing platform, the connecting piece body 1 and the anchoring reinforcing steel bar 6 are both subjected to thread processing in advance, so that the operation of the connection construction of the concrete precast pile in the tensioning process and the reinforced concrete bearing platform is simple and convenient, the construction speed is high, and the connection reliability of the concrete precast pile in the tensioning process and the reinforced concrete bearing platform can be ensured by controlling, in addition, the construction environment requirement is low, the construction is not easy to be limited by reasons such as weather, a power supply is not needed, high temperature is not generated, the construction operation safety is high, and the method is suitable for hollow piles, solid piles, square piles and round piles.
Furthermore, a plurality of anchoring holes 8 are formed in the pile head end plate 5, each tensioning fixing hole 7 is communicated with one anchoring hole 8, the longitudinal ribs 10 are multiple, the length direction of each longitudinal rib is parallel to the length direction of the pile body 9, at least one end of each longitudinal rib 10 is provided with an anchoring head, each anchoring head is used for enabling the longitudinal rib 10 to be clamped with the corresponding anchoring hole 8, one end of each longitudinal rib 10 is upset to form the anchoring head and then penetrates through each tensioning fixing hole 7 in the pile head end plate 5, each longitudinal rib 10 is translated to a stop point position in the direction close to the corresponding anchoring hole 8, a bolt is screwed into each tensioning fixing hole 7, each bolt is connected with a tensioning rigging and then is tensioned, each bolt is screwed down after tensioning is completed, and each tensioning fixing hole 7 is used for screwing in the connecting piece body 1.
Furthermore, each anchor hole 8 is a counter bore, and the side wall of the counter bore has a limiting effect on the anchor head, so that the longitudinal bar 10 is not easy to shake during tensioning operation.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. A connecting piece for a tensioning process concrete precast pile is characterized in that: including the connecting piece body, the one end of connecting piece body is provided with the external screw thread, the external screw thread be used for with the stretch-draw fixed orifices threaded connection on the pile head end plate of stretch-draw technology precast concrete pile, the other end of connecting piece body is followed the blind hole has been seted up to the axial direction of connecting piece body, the blind hole inside wall is equipped with the internal thread, the internal thread is used for the one end threaded connection with the anchor reinforcing bar.
2. A connecting member for a tension process concrete precast pile according to claim 1, characterized in that: the connecting piece body is provided with a blind hole, the blind hole is arranged at the bottom of the connecting piece body, the blind hole is arranged at one end of the connecting piece.
3. A connecting reinforcement characterized by: the connecting piece for the tensioning process concrete precast pile comprises an anchoring steel bar and the connecting piece for the tensioning process concrete precast pile as recited in any one of claims 1 to 2, wherein one end of the anchoring steel bar is in threaded connection with the internal thread, and the other end of the anchoring steel bar is used for extending into a reinforced concrete bearing platform.
4. A load bearing structure characterized by: including stretch-draw technology precast concrete pile, reinforced concrete cushion cap and claim 3 the connecting reinforcement, stretch-draw technology precast concrete pile includes the pile body and indulges the muscle, the pile body is close to at least the one end of reinforced concrete cushion cap is provided with the pile head end plate, indulge the muscle with pile head end plate joint, it is a plurality of to have seted up on the pile head end plate stretch-draw the fixed orifices, can be used for right behind the stretch-draw fixed orifices construction bolt it carries out the stretch-draw to indulge the muscle, the external screw thread with stretch-draw fixed orifices threaded connection, the other end of anchor reinforcing bar stretches into in the reinforced concrete cushion cap.
5. The load bearing structure of claim 4, wherein: the pile head end plate is provided with a plurality of anchor holes, each stretch-draw fixed orifices all with one the anchor hole intercommunication, indulge the muscle be many and length direction with the length direction of pile body is parallel, each it is provided with the anchor head to indulge the at least one end of muscle, the anchor head is used for making indulge the muscle with each anchor hole joint.
6. The load bearing structure of claim 5, wherein: each anchoring hole is a counter bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020589200.6U CN212477708U (en) | 2020-04-20 | 2020-04-20 | Connecting piece, connecting steel bar and bearing structure for tensioning process concrete precast pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020589200.6U CN212477708U (en) | 2020-04-20 | 2020-04-20 | Connecting piece, connecting steel bar and bearing structure for tensioning process concrete precast pile |
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| Publication Number | Publication Date |
|---|---|
| CN212477708U true CN212477708U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020589200.6U Expired - Fee Related CN212477708U (en) | 2020-04-20 | 2020-04-20 | Connecting piece, connecting steel bar and bearing structure for tensioning process concrete precast pile |
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| CN (1) | CN212477708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657975A (en) * | 2021-11-05 | 2022-06-24 | 俞敏芳 | Precast pile button head anchor muscle connecting device |
-
2020
- 2020-04-20 CN CN202020589200.6U patent/CN212477708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657975A (en) * | 2021-11-05 | 2022-06-24 | 俞敏芳 | Precast pile button head anchor muscle connecting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |