CN216238500U - Quick butt-joint structural of precast concrete pile - Google Patents
Quick butt-joint structural of precast concrete pile Download PDFInfo
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- CN216238500U CN216238500U CN202122855182.9U CN202122855182U CN216238500U CN 216238500 U CN216238500 U CN 216238500U CN 202122855182 U CN202122855182 U CN 202122855182U CN 216238500 U CN216238500 U CN 216238500U
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Abstract
The utility model relates to a quick butt-joint structural of precast concrete pile belongs to the field of building technology, and it includes plug connector and joint cover, and one of them is first pile body in two adjacent pile bodies during precast concrete pile concatenation, and another is the second pile body, the plug connector is connected in the one end of first pile body towards the second pile body, the joint cover is connected in the one end of second pile body towards first pile body, the joint cover supplies the plug connector to insert, the one end that first pile body was kept away from to the plug connector is equipped with stopping portion, stopping portion is flexible in the radial ascending size elasticity of joint cover, the joint cover is kept away from the one end and the contact of stopping portion of first pile body. This application makes the unable return of plug connector that gets into in the joint cover through stopping portion and realizes connecting the cooperation of first pile body and second pile body, only needs during the construction to put the stake vertically to first pile body and can accomplish the concatenation, and convenient operation has improved pile extension efficiency greatly.
Description
Technical Field
The application relates to the field of building technology, in particular to a rapid butt joint structure for precast concrete piles.
Background
In the building construction, in order to facilitate the production and processing and shorten the construction time, the overall length of a plurality of reinforced concrete precast piles is prolonged by adopting a mode of sequentially splicing the plurality of reinforced concrete precast piles along the axial direction.
Contain a plurality of reinforcing bars in the precast concrete pile, the length direction of all reinforcing bars all is unanimous with precast concrete pile's length direction, and precast concrete pile's tip is fixed with the end plate through the reinforcing bar, and during two adjacent precast concrete piles splice, the mutual coincide of end plate on the terminal surface of the two looks butt, then uses the end plate profile after the amalgamation to weld as the welding seam to reach and make two precast concrete piles connect fixed mesh.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: splicing and inserting of the precast piles are carried out on a construction site, and safety accidents can be caused if the forming quality of a welding line is influenced by factors such as insufficient cleaning before welding and the like.
SUMMERY OF THE UTILITY MODEL
In order to improve the above-mentioned problem, this application provides a quick butt joint structure of precast concrete pile.
The application provides a pair of quick butt joint structure of precast concrete pile adopts following technical scheme:
the utility model provides a quick butt-joint structural of precast concrete pile, includes plug connector and joint cover, one of them is first pile body in two adjacent pile bodies during precast pile concatenation, and another is the second pile body, the plug connector is connected in the one end of first pile body towards the second pile body, the joint cover is connected in the one end of second pile body towards first pile body, the joint cover supplies the plug connector to insert, the one end that first pile body was kept away from to the plug connector is equipped with stopping portion, stopping portion is flexible in the radial ascending size elasticity of joint cover, the joint cover is kept away from the one end and the contact of stopping portion of first pile body.
By adopting the technical scheme, in the process of inserting the insertion rod into the clamping sleeve, the size of the stopping part is shrunk to enable the stopping part to smoothly enter the clamping sleeve and be positioned on one side of the clamping sleeve, which is far away from the first pile body, then the shape of the stopping part is recovered after the stopping part loses the surrounding abutting force, then the plug connector cannot be separated from the clamping sleeve due to the abutting of the stopping part and one end of the clamping sleeve, which is far away from the first pile body, namely the first pile body cannot be far away from the second pile body to move, the two pile bodies are spliced with each other, and the possibility of safety accidents caused by poor welding seam forming quality is reduced.
Preferably, the edge of one side of the backstop part, which is far away from the first pile body, is provided with a matching chamfer.
Through adopting above-mentioned technical scheme, the cooperation chamfer can reduce the axiality requirement of plug connector and joint cover when to the hole, improves the convenience of concatenation operation.
Preferably, the second pile body is fixedly connected with a bearing and mounting sleeve, and the clamping sleeve is coaxially connected and communicated with the bearing and mounting sleeve.
Through adopting above-mentioned technical scheme, the joint cover has realized its and second pile body's being connected through accepting the installation sleeve, and the inner chamber of accepting the installation sleeve supplies to pass the stopping portion of joint cover and places.
Preferably, the plug connector and the backstop part are provided with deformation grooves, and the length direction of the deformation grooves is consistent with that of the clamping sleeve.
By adopting the technical scheme, the plug connector and the retaining part have radial deformation space due to the deformation groove, and the plug connector and the retaining part in the length range of the deformation groove can be elastically deformed to a certain extent.
Preferably, epoxy resin is filled in the bearing and mounting sleeve and is positioned at the position, far away from the first pile body, of the clamping sleeve.
Preferably, the joint cover includes clamping part and crowded liquid portion, the clamping part is located the one end that first pile body was kept away from to crowded liquid portion, the inner wall and the plug connector lateral wall butt of clamping part, form the space between crowded liquid portion and the plug connector lateral wall, the clamping part is located the length range in deformation groove.
By adopting the technical scheme, after the plug connector is inserted into the clamping sleeve, a uniform annular gap is formed between the inner wall of the liquid squeezing part and the side wall of the plug connector, and due to the existence of the gap, the gap between the plugging mounting sleeve and the receiving mounting sleeve can be communicated with the space in the receiving mounting sleeve and positioned at the position, far away from the first pile body, of the clamping sleeve through the deformation groove, and when the stopping part reaches one side, far away from the first pile body, of the clamping sleeve, the epoxy resin still in liquid state at the position is squeezed and flows to the gap between the liquid squeezing part and the plugging mounting sleeve as well as the receiving mounting sleeve along the deformation groove; the epoxy will set where it is to, thereby increasing the degree of fastening between the various parts of the docking assembly.
Preferably, the first pile body is fixedly connected with a plug-in mounting sleeve, and the plug connector is coaxially in threaded connection with the plug-in mounting sleeve.
By adopting the technical scheme, the connector clip realizes the connection with the first pile body through the inserting and mounting sleeve, and the threaded connection enables the position of the connector clip to be adjustable in the axial direction.
Preferably, equal fixedly connected with pile body prestressing steel in the first pile body and the second pile body, the length direction of pile body prestressing steel is unanimous with the length direction of first pile body or second pile body, the installation sleeve of pegging graft and accepting the installation sleeve all with the coaxial relatively fixed of pile body prestressing steel.
Through adopting above-mentioned technical scheme, the pre-buried fixed position in the pile body of pile body prestressed reinforcement, the installation sleeve of pegging graft and accepting the installation sleeve and pass through the pile body prestressed reinforcement and be positioned respectively on first pile body and second pile body, improved the relative position precision of pegging graft installation sleeve and accepting the installation sleeve relative pile body separately.
Preferably, the clamping sleeve is provided with a stopping wedge ring surface at the end part far away from the first pile body, the stopping wedge ring surface inclines towards one side far away from the axis of the clamping sleeve, the stopping part is fixedly connected with a stopping flanging towards one side of the plug connector, and the stopping flanging is attached to the stopping wedge ring surface.
Through adopting above-mentioned technical scheme, when the plug connector has the trend of keeping away from the second pile body and removing, stopping wedge ring face butt stopping turn-ups, the tip of joint sleeve produces the thrust of keeping away from self axis to stopping turn-ups and stopping portion through the wedge characteristic of stopping the wedge ring face promptly, can reduce the trend of radial shrink of stopping portion.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement that the radial dimension of the retaining part can elastically stretch, in the process of inserting the insertion rod into the clamping sleeve, the dimension of the retaining part shrinks to enable the retaining part to smoothly enter the clamping sleeve and be positioned at one side of the clamping sleeve, which is far away from the first pile body, and then the shape of the retaining part recovers after the retaining part loses the surrounding abutting force, at the moment, the retaining part abuts against one side of the clamping sleeve, which is far away from the first pile body, so that the retaining limit is formed on the insertion part, and the first pile body cannot move away from the second pile body, so that the connection fixation of the two pile bodies is realized, the operation is simple and convenient, and the connection stability is high;
2. through the setting of epoxy, deformation groove and crowded liquid portion, the plug connector inserts the joint cover back, and epoxy and stopping portion contact, partial epoxy receive stopping portion extrusion and through the deformation groove flow to between crowded liquid portion and the plug connector simultaneously, treat the epoxy solidification back, the shape stability of plug connector and stopping portion can improve to the stability of connected state between two piles bodies has been improved.
Drawings
Fig. 1 is a schematic structural diagram for embodying the butt joint of the pile body ends in the first embodiment of the present application.
Fig. 2 is a schematic cross-sectional view illustrating an operating state of a rapid precast concrete pile docking structure according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram for embodying a plug connector in the first embodiment of the present application.
Fig. 4 is a schematic cross-sectional view illustrating an operating state of a rapid precast concrete pile docking structure according to a second embodiment of the present application.
Description of reference numerals: 1. a first pile body; 11. a second pile body; 12. prestressing steel bars on the pile body; 121. upsetting the steel bars; 2. a docking assembly; 21. inserting and installing a sleeve; 22. receiving the mounting sleeve; 23. a necking part; 24. a plug-in unit; 25. a backstop section; 251. matching and chamfering; 252. stopping flanging; 26. a deformation groove; 3. a clamping sleeve; 31. a liquid squeezing section; 32. a clamping portion; 33. a check wedge annulus; 4. and (3) epoxy resin.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The first embodiment is as follows:
the embodiment of the application discloses quick butt joint structure of precast concrete stake. As shown in fig. 1 and 2, two prefabricated pile bodies spliced with each other are a first pile body 1 and a second pile body 11 respectively, the first pile body 1 is located above the second pile body 11; a plurality of butt joint assemblies 2 are arranged between the first pile body 1 and the second pile body 11, and the butt joint assemblies 2 are used for connecting and fixing the two pile bodies.
As shown in fig. 1 and 2, the docking assembly 2 includes a socket mounting sleeve 21, a socket mounting sleeve 22, a socket connector 24 and a clamping sleeve 3; first pile body 1 and second pile body 11 all are embedded to have many pile body prestressed reinforcement 12, and the length direction of pile body prestressed reinforcement 12 is unanimous with the length direction of the pile body at its place, and in this embodiment, the cross-section of first pile body 1 and second pile body 11 is the square, and pile body prestressed reinforcement 12 quantity in every pile body is eight, and eight pile body prestressed reinforcement 12 are evenly arranged along the marginal profile of pile body in the pile body. The end of the pile body prestressed reinforcement 12 is upset to form a reinforcement upset 121, one end of the inserting mounting sleeve 21 and one end of the bearing mounting sleeve 22 are integrally formed with a necking part 23, the inner wall of the necking part 23 is in contact with the side wall of the pile body prestressed reinforcement 12, and the reinforcement upset 121 is located in the inserting mounting sleeve 21 or the bearing mounting sleeve 22. The inserting installation sleeve 21 is positioned at one end of the first pile body 1 facing the second pile body 11, and the receiving installation sleeve 22 is positioned at one end of the second pile body 11 facing the first pile body 1; and because the relative position of the pile body prestressed reinforcement 12 and the pile body is determined, the position of the inserting installation sleeve 21 on the first pile body 1 and the position of the bearing installation sleeve 22 on the second pile body 11 are both determined.
As shown in fig. 2 and 3, the plug mounting sleeve 21 and the receiving mounting sleeve 22 each have an internal thread structure, the plug member 24 has a circular rod shape, one end thereof has an external thread structure, and the plug member 24 is threadedly coupled to the plug mounting sleeve 21. A backstop part 25 is integrally formed at one end, away from the plug-in mounting sleeve 21, of the plug connector 24, deformation grooves 26 are formed in the plug connector 24 and the backstop part 25, and the length direction of the deformation grooves 26 is consistent with that of the plug connector 24; in the projection along the length direction of the plug-in unit 24, the cross section of the deformation groove 26 is cross-shaped, the plug-in unit 24 and the retaining portion 25 are divided into four lobes by the position where the deformation groove 26 arrives, then the deformation groove 26 provides a space for the retaining portion 25 and the plug-in unit 24 to elastically contract in the radial direction, and when the axial thrust of the plug-in unit 24 is applied, the radial dimension of the retaining portion 25 is reduced.
As shown in fig. 2, the outer wall of the clamping sleeve 3 is provided with an external thread structure, and the clamping sleeve 3 is connected with the inside of the bearing mounting sleeve 22 through threads; the clamping sleeve 3 comprises a clamping portion 32 and a liquid squeezing portion 31, the clamping portion 32 and the liquid squeezing portion 31 are coaxially and integrally formed, the clamping portion 32 is located on one side, far away from the first pile body 1, of the liquid squeezing portion 31, the inner diameter of the clamping portion 32 is smaller than that of the liquid squeezing portion 31, the inner diameter of the clamping portion 32 is the same as that of the plug connector 24 close to the stopping portion 25, and the radial dimension of the stopping portion 25 is larger than that of the clamping portion 32. Plug connector 24 and the coaxial back of aiming at of joint sleeve 3, plug connector 24 inserts in joint sleeve 3, stop portion 25 warp because of receiving transverse pressure when the clamping part 32, resume natural state when stop portion 25 reachs the position that is less than joint sleeve 3, stop portion 25 is towards the terminal surface contact that one side of first pile body 1 deviates from first pile body 1 with joint sleeve 3 this moment, it is spacing that joint sleeve 3 has formed the axial stopping to stop portion 25 and plug connector 24 promptly, and clamping part 32 is located the length range of deformation groove 26. The end faces of the inserting and mounting sleeve 21 and the receiving and mounting sleeve 22 are required to be located in the respective pile bodies, so that the end faces of the first pile body 1 and the second pile body 11 can be stably attached, and a gap exists between the inserting and mounting sleeve 21 and the receiving and mounting sleeve 22 after the two pile bodies are spliced. .
As shown in fig. 2 and 3, in order to improve the stability of the limiting effect of the clamping sleeve 3 on the retaining portion 25, the end surface of the clamping sleeve 3 away from the first pile body 1 is turned to form a retaining wedge ring surface 33, and the retaining wedge ring surface 33 inclines towards the side away from the axis of the clamping sleeve 3, namely towards the side of the outer ring of the clamping sleeve 3. The retaining portion 25 is integrally formed with a retaining flange 252 on a side facing the plug 24, and the retaining flange 252 is closer to the clamping sleeve 3 along a direction away from the axial line of the plug 24. When the plug connector 24 has a tendency to move away from the second pile body 11, the anti-backing wedge ring surface 33 abuts against the anti-backing flange 252, namely, the end of the clamping sleeve 3 generates thrust far away from the axis of the clamping sleeve 3 and the anti-backing part 25 through the wedge-shaped characteristic of the anti-backing wedge ring surface 33, and the tendency of radial contraction of the anti-backing part 25 can be reduced. In this embodiment, in order to reduce the processing difficulty, the radial inclination angles of the stop wedge ring surface 33 and the stop flanging 252 relative to the clamping sleeve 3 are both 5 °. Meanwhile, the edge of one side of the stopping part 25, which is far away from the first pile body 1, is provided with a matching chamfer 251, the matching chamfer 251 can reduce the coaxiality requirement of the plug connector 24 and the clamping sleeve 3 in hole aligning, and the convenience of splicing operation is improved.
Before splicing, as shown in fig. 1 and 2, epoxy resin 4 is filled in the bearing and mounting sleeve 22 and is positioned at a position, far away from the first pile body 1, of the clamping sleeve 3; after the plug connector 24 is inserted into the clamping sleeve 3, a uniform annular gap is formed between the inner wall of the liquid squeezing part 31 and the side wall of the plug connector 24; due to the existence of the gap, the gap between the plug-in mounting sleeve 21 and the receiving mounting sleeve 22 can be communicated with the space in the receiving mounting sleeve 22 and located at the position where the clamping sleeve 3 is far away from the first pile body 1 through the deformation groove 26. When the retaining part 25 reaches the side of the clamping sleeve 3 away from the first pile body 1, the epoxy resin 4 still in liquid state is extruded and flows to the liquid extruding part 31 and the gap between the inserting installation sleeve 21 and the receiving installation sleeve 22 along the deformation groove 26; the epoxy 4 will solidify where it is located, thereby increasing the degree of tightness between the various parts of the docking assembly 2.
The implementation principle of the rapid butt joint structure of the precast concrete pile in the embodiment of the application is as follows:
after the second pile body 11 is driven into the underground, adjust joint sleeve 3 and accept the positional relationship of installation sleeve 22 and the positional relationship of plug connector 24 and grafting installation sleeve 21 respectively, then first pile body 1 is to the coaxial concatenation of end-to-end towards second pile body 11, and each plug connector 24 all inserts in joint sleeve 3, when the mutual butt of the terminal surface of first pile body 1 and second pile body 11, two pile bodies just splice the completion.
Example two:
as shown in fig. 4, the difference from the first embodiment is that the clamping sleeve 3 in this embodiment is coaxially and integrally formed at one end of the receiving and mounting sleeve 22 far from the self-necking portion 23; compared with the first embodiment, the process of operatively connecting the clamping sleeve 3 and the bearing and mounting sleeve 22 is omitted in the construction process, and the operation efficiency is improved. And the clamping sleeve 3 does not distinguish the liquid squeezing part 31 and the clamping part 32 any longer, the radial dimension of the plug connector 24 in a natural state is slightly smaller than the inner diameter of the clamping sleeve 3, and a gap which is formed between the two parts can be passed by the liquid epoxy resin 4.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a quick butt-joint structural of precast concrete pile which characterized in that: including plug connector (24) and joint cover (3), one of them is first pile body (1) in two adjacent pile bodies when precast concrete pile splices, and another is second pile body (11), plug connector (24) are connected in the one end of first pile body (1) towards second pile body (11), joint cover (3) are connected in the one end of second pile body (11) towards first pile body (1), joint cover (3) supply plug connector (24) to insert, the one end that first pile body (1) was kept away from in plug connector (24) is equipped with stopping portion (25), stopping portion (25) is flexible in joint cover (3) radial ascending size elasticity, the one end that first pile body (1) was kept away from in joint cover (3) contacts with stopping portion (25).
2. The precast concrete pile quick butt joint structure according to claim 1, wherein: and a matching chamfer (251) is arranged at the edge of one side of the backstop part (25) far away from the first pile body (1).
3. The precast concrete pile quick butt joint structure according to claim 1, wherein: and the second pile body (11) is fixedly connected with a bearing and mounting sleeve (22), and the clamping sleeve (3) is coaxially connected and communicated with the bearing and mounting sleeve (22).
4. The precast concrete pile quick butt joint structure according to claim 3, wherein: the plug connector (24) and the backstop portion (25) are provided with deformation grooves (26), and the length direction of the deformation grooves (26) is consistent with that of the clamping sleeve (3).
5. The precast concrete pile quick butt joint structure according to claim 4, wherein: epoxy resin (4) is filled in the bearing and mounting sleeve (22) and is positioned at the position, far away from the first pile body (1), of the clamping sleeve (3).
6. The precast concrete pile quick butt joint structure according to claim 5, wherein: joint sleeve (3) include clamping part (32) and crowded liquid portion (31), clamping part (32) are located the one end of crowded liquid portion (31) keeping away from first pile body (1), the inner wall and plug connector (24) lateral wall butt of clamping part (32), form the space between crowded liquid portion (31) and plug connector (24) lateral wall, clamping part (32) are located the length range in deformation groove (26).
7. The precast concrete pile quick butt joint structure according to claim 3, wherein: fixedly connected with grafting installation sleeve (21) on first pile body (1), plug connector (24) and grafting installation sleeve (21) coaxial threaded connection.
8. The precast concrete pile quick butt joint structure according to claim 7, wherein: equal fixedly connected with pile body prestressing steel (12) in first pile body (1) and second pile body (11), the length direction of pile body prestressing steel (12) is unanimous with the length direction of first pile body (1) or second pile body (11), grafting installation sleeve (21) and accepting installation sleeve (22) all with pile body prestressing steel (12) coaxial relatively fixed.
9. The precast concrete pile quick butt joint structure according to claim 1, wherein: the tip that first pile body (1) was kept away from in joint cover (3) is provided with stopping wedge anchor ring (33), one side slope of stopping wedge anchor ring (33) orientation keeping away from joint cover (3) axis, stopping portion (25) towards one side fixedly connected with stopping turn-ups (252) of plug connector (24), stopping turn-ups (252) and stopping wedge anchor ring (33) laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122855182.9U CN216238500U (en) | 2021-11-20 | 2021-11-20 | Quick butt-joint structural of precast concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122855182.9U CN216238500U (en) | 2021-11-20 | 2021-11-20 | Quick butt-joint structural of precast concrete pile |
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| Publication Number | Publication Date |
|---|---|
| CN216238500U true CN216238500U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122855182.9U Active CN216238500U (en) | 2021-11-20 | 2021-11-20 | Quick butt-joint structural of precast concrete pile |
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| CN (1) | CN216238500U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182336A (en) * | 2022-08-16 | 2022-10-14 | 福建金固建材有限公司 | End plate-free concrete precast pile expansion type connecting device and precast pile |
| CN116006887A (en) * | 2022-12-23 | 2023-04-25 | 安徽建筑大学 | Prestress pressure regulating lining structure of roadway air energy storage tank |
-
2021
- 2021-11-20 CN CN202122855182.9U patent/CN216238500U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182336A (en) * | 2022-08-16 | 2022-10-14 | 福建金固建材有限公司 | End plate-free concrete precast pile expansion type connecting device and precast pile |
| CN116006887A (en) * | 2022-12-23 | 2023-04-25 | 安徽建筑大学 | Prestress pressure regulating lining structure of roadway air energy storage tank |
| CN116006887B (en) * | 2022-12-23 | 2024-04-26 | 安徽建筑大学 | Prestress pressure regulating lining structure of roadway air energy storage tank |
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