CN216765843U - Prevention of seepage water concrete precast tubular pile - Google Patents
Prevention of seepage water concrete precast tubular pile Download PDFInfo
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- CN216765843U CN216765843U CN202220331503.7U CN202220331503U CN216765843U CN 216765843 U CN216765843 U CN 216765843U CN 202220331503 U CN202220331503 U CN 202220331503U CN 216765843 U CN216765843 U CN 216765843U
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- tubular pile
- expansion ring
- water seepage
- connecting sleeve
- rotating block
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Abstract
A water seepage prevention concrete precast tubular pile is characterized in that a first tubular pile is connected with a second tubular pile through a connecting sleeve, a connecting plate is arranged inside the connecting sleeve, and a connecting head arranged on the lower end face of the first tubular pile abuts against the upper surface of the connecting plate; the edge of the connecting plate, which is close to the inner wall of the connecting sleeve, is also provided with a groove, an expansion ring is arranged in the groove, and the upper surface of the expansion ring is higher than the groove; the inner wall of the connecting sleeve is provided with an installation platform, a rotating block is rotatably installed on the installation platform, and the rotating block is connected with the installation platform through a torsional spring, so that one end of the rotating block is abutted against the expansion ring, and the expansion ring is simultaneously tightly attached to the side wall of the first tubular pile and the side wall of the groove close to the center direction of the connecting plate; this prevention of seepage water concrete precast tubular pile has effectively solved traditional precast tubular pile and is using the initial stage, the poor problem of prevention of seepage water effect before the inflation ring water swelling.
Description
Technical Field
The utility model relates to a concrete pipe pile seepage-proofing technology, in particular to a water seepage-proofing concrete prefabricated pipe pile.
Background
In engineering application, a precast concrete tubular pile needs to be composed of one to three sections of concrete tubular pile sections, a first section of concrete tubular pile section is firstly pressed into the soil during construction, a second section of concrete tubular pile section is butted with the first section of concrete tubular pile section, a third section of concrete tubular pile section is butted with the second section of concrete tubular pile section, and a pile splicing method generally adopts that end steel plates arranged on each concrete tubular pile section are fixedly connected through electric welding to complete butt joint assembly among the concrete tubular pile sections. However, in the use process of the butted tubular pile after sinking, the problem of water seepage at the butted part is easy to occur.
The existing patent document with the publication number of CN207685822U proposes a solution to the problem of water seepage by using water-swelling rubber, but due to the structural limitation, the problems still exist that the seepage-proofing effect is poor at the initial sinking stage, and the connection between the tubular pile and the connecting sleeve is affected by strong impact stress generated by the water-swelling rubber.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water seepage prevention concrete precast tubular pile, which is used for solving the problems that the early-stage water seepage prevention effect is poor and the tubular pile connection is unreliable after water swelling rubber is swelled in the background technology.
In order to solve the problems, the utility model provides a water seepage prevention concrete precast tubular pile, wherein a first tubular pile is connected with a second tubular pile by a connecting sleeve, a connecting plate is arranged in the connecting sleeve, and a connecting head arranged on the lower end surface of the first tubular pile abuts against the upper surface of the connecting plate; the edge of the connecting plate, which is close to the inner wall of the connecting sleeve, is also provided with a groove, an expansion ring is arranged in the groove, and the upper surface of the expansion ring is higher than the groove; the inner wall of the connecting sleeve is provided with an installation platform, a rotating block is rotatably installed on the installation platform, the rotating block is connected with the installation platform through a torsion spring, one end of the rotating block is abutted against the expansion ring, and the expansion ring is tightly attached to the side wall of the first tubular pile and the side wall of the groove close to the center direction of the connecting plate.
Furthermore, the rotating blocks are uniformly distributed along the circumferential direction of the connecting sleeve.
Furthermore, the groove, the expansion ring, the mounting table and the rotating block are symmetrically arranged along the axial direction of the connecting sleeve.
Furthermore, the rotating block is provided with a stop surface at the hinged end, and when the stop surface is in contact with the inner wall of the connecting sleeve, the rotating block is limited to rotate.
Furthermore, the rotating block is provided with a water seepage hole which is arranged in parallel with the stopping surface.
Furthermore, a plurality of water seepage holes are uniformly distributed along the direction vertical to the stop surface.
Furthermore, the lower surface of the rotating block is arranged in an arc shape; one corner of the expansion ring close to the rotating block is arranged in an arc shape.
Furthermore, the first tubular pile and the second tubular pile are both connected with the connecting sleeve through bolts, and a plurality of connecting bolts are uniformly distributed along the circumferential direction of the connecting sleeve.
The utility model has the beneficial effects that: according to the water seepage prevention concrete precast tubular pile, the structure of the connecting sleeve and the position of the expansion ring are adjusted, and the rotating block is additionally arranged in the connecting sleeve, so that the problem that the water seepage prevention effect of the expansion ring is poor before the expansion ring absorbs water to expand in the initial use stage of the traditional precast tubular pile is effectively solved; in addition, the structure of the rotating block is designed, so that the problems that the expansion ring is large in collision pressure to the connecting sleeve and the tubular pile after water absorption and expansion, the service life of the tubular pile is influenced, and water seepage is possible are solved.
Drawings
FIG. 1 is a schematic view of an overall half-section configuration of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of state one at A in accordance with an embodiment of the present invention;
FIG. 3 is a partial enlarged view of state two at A in accordance with an embodiment of the present invention;
in the figure: 11. a first tubular pile; 12. a second tubular pile; 2. connecting sleeves; 21. a groove; 22. a connecting plate; 3. rotating the block; 31. an installation table; 32. a water seepage hole; 33. a torsion spring; 34. a stop surface; 4. an expansion ring.
Detailed Description
The utility model will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the embodiment of the present invention, as shown in fig. 1 to fig. 3, of the precast concrete pipe pile with water seepage prevention, a first pipe pile 11 is connected with a second pipe pile 12 by a connection sleeve 2, a connection plate 22 is arranged inside the connection sleeve 2, a connection head is arranged on the lower end surface of the first pipe pile 11 and abuts against the upper surface of the connection plate 22, and the diameter of the connection head is the same as the diameter of the connection plate 22; a groove 21 is formed in the edge, close to the inner wall of the connecting sleeve 2, of the connecting plate 22, an expansion ring 4 is installed in the groove 21, the expansion ring 4 is made of water-absorbing expansion rubber and expands when meeting water, and the upper surface of the expansion ring 4 is higher than the groove 21; the inner wall of the connecting sleeve 2 is provided with an installation platform 31, the installation platform 31 is rotatably provided with a rotating block 3, the rotating block 3 is connected with the installation platform 31 through a torsion spring 33, one end of the rotating block 3 is abutted against the expansion ring 4, and the expansion ring 4 is tightly attached to the side wall of the first tubular pile 11 and the side wall of the groove 21 close to the center direction of the connecting plate 22.
The water seepage of the conventional concrete precast tubular pile generally occurs at the joint of the tubular pile and the connecting sleeve 2, after water seeps, because the expansion ring 4 does not block the joint of the tubular pile and the connecting sleeve 2, water flow can flow through the expansion ring 4 and then enter the tubular pile, and then the expansion ring 4 starts to gradually absorb water and expand to play a role in blocking, so that the problem of poor protection effect at the initial stage of water seepage can exist; this prevention of seepage water concrete precast tubular pile orders about turning block 3 through torsional spring 33, makes turning block 3 contradict on expansion ring 4, makes expansion ring 4 hug closely on the lateral wall of seam crossing, guarantees after having the infiltration of water, will flow into expansion ring 4 earlier in, just can get into the tubular pile, and the expansion ring meets water and absorbs water the inflation promptly, blocks up easy infiltration department to realize the purpose of initial stage prevention of seepage water.
In one embodiment of the present application, preferably, the rotating blocks 3 are provided in plurality step by step along the circumferential direction of the connecting sleeve 2; and a plurality of force application points for the expansion ring 4 are arranged in the circumferential direction, so that the expansion ring 4 is stressed uniformly, and the water seepage prevention effect is more reliable.
In one embodiment of the present application, preferably, the groove 21, the expansion ring 4, the mounting platform 31 and the rotating block 3 are all symmetrically arranged along the axial direction of the connecting sleeve 2; the joint of the first tubular pile 11 and the connecting sleeve 2 and the joint of the second tubular pile 12 and the connecting sleeve 2 are blocked by expansion rings, so that the water seepage prevention effect of the prefabricated tubular pile is improved.
In one embodiment of the present application, it is preferable that the rotation block 3 is provided with a stop surface 34 at the hinged end, and when the stop surface 34 interferes with the inner wall of the connection sleeve 2, the rotation block 3 is limited to rotate; after the existing expansion ring 4 absorbs water and expands, one end of the expansion ring butts against the connecting sleeve 2, and the other end of the expansion ring butts against the tubular pile, so that under the strong butting pressure of the expansion ring 4, a bolt at the connecting position of the connecting sleeve 2 and the tubular pile can bear larger shearing force, and a gap between the connecting sleeve 2 and the tubular pile can be enlarged, so that the water seepage prevention effect of the tubular pile is influenced, and the service life of the tubular pile is also influenced; after the expansion ring 4 in the water seepage prevention concrete precast tubular pile absorbs water and expands, one end of the expansion ring props against the groove 21 on the connecting plate 22, the other end of the expansion ring props against the rotating block 3 on the inner wall of the connecting sleeve 2, and the pipe pile is not stressed in a vertical direction, so that the water seepage prevention effect is better improved.
In one embodiment of the present application, it is preferable that the rotating block 3 is provided with a water seepage hole 32, and the water seepage hole 32 is arranged in parallel with the stopping surface 34; when water permeates into the expansion ring 4, the water can rapidly flow onto the expansion ring 4, so that the expansion ring 4 absorbs water to expand, and the function of preventing water seepage is realized; in addition, after the expansion ring 4 absorbs water and expands, part of the expansion ring 4 is squeezed into the water seepage holes, so that the expansion ring is further stabilized, and the expansion ring 4 is prevented from shaking.
In one embodiment of the present application, preferably, the water seepage holes 32 are uniformly distributed in a plurality along a direction perpendicular to the stopping surface 34; further increasing the speed at which the infiltrating water contacts the expansion ring 4.
In an embodiment of the present application, preferably, the lower surface of the rotating block 3 is disposed in an arc shape, so that when the expansion ring 4 abuts against the lower surface of the rotating block 3 after expansion, the expansion ring 4 tends to be attached to the seam direction due to the reaction force of the lower surface of the rotating block 3; one corner of the expansion ring 4 close to the rotating block 3 is arranged in an arc shape; after the expansion ring 4 absorbs water and expands, the stress on the extrusion part of the expansion ring 4 and the rotating block 3 is uniform, the problem of stress concentration is avoided, and the service life of the expansion ring 4 is prolonged.
In one embodiment of the present application, preferably, the first tubular pile 11 and the second tubular pile 12 are both bolted to the connecting sleeve 2, and a plurality of bolts are uniformly distributed along the circumference of the connecting sleeve 2.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A water seepage prevention concrete precast tubular pile is characterized in that a first tubular pile is connected with a second tubular pile through a connecting sleeve, a connecting plate is arranged inside the connecting sleeve, and a connecting head is arranged on the lower end face of the first tubular pile and abuts against the upper surface of the connecting plate; the connecting sleeve is characterized in that a groove is formed in the edge, close to the inner wall of the connecting sleeve, of the connecting plate, an expansion ring is installed in the groove, and the upper surface of the expansion ring is higher than the groove; be equipped with the mount table on the inner wall of adapter sleeve, rotationally install the turning block on the mount table, the turning block with through torsional spring coupling between the mount table, make the one end of turning block is contradicted on the expansion ring, make the expansion ring hugs closely simultaneously on the lateral wall of first tubular pile with the recess is close to on the lateral wall of connecting plate center direction.
2. The precast concrete tubular pile with water seepage prevention according to claim 1, is characterized in that: the rotating blocks are uniformly distributed along the circumferential direction of the connecting sleeve.
3. The precast concrete tubular pile with water seepage prevention according to claim 1, is characterized in that: the groove on the connecting plate, the expansion ring, the mounting table and the rotating block are symmetrically arranged along the axial direction of the connecting sleeve.
4. The precast concrete tubular pile with water seepage prevention according to claim 1, is characterized in that: the rotating block is provided with a stop surface at the hinged end, and the stop surface limits the rotation of the rotating block when colliding with the inner wall of the connecting sleeve.
5. The precast concrete tubular pile with water seepage prevention according to claim 4, is characterized in that: and the rotating block is provided with a water seepage hole, and the water seepage hole is parallel to the stopping surface.
6. The precast concrete tubular pile with water seepage prevention according to claim 5, is characterized in that: the water seepage holes are uniformly distributed along the direction vertical to the stop surface.
7. The precast concrete tubular pile with water seepage prevention according to claim 1, is characterized in that: the lower surface of the rotating block is arranged in an arc shape; and one corner of the expansion ring, which is close to the rotating block, is arranged in an arc shape.
8. The precast concrete tubular pile with water seepage prevention according to claim 1, is characterized in that: first tubular pile with the second tubular pile all with adapter sleeve bolted connection, connect and follow with the bolt the circumference equipartition of adapter sleeve is equipped with a plurality ofly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220331503.7U CN216765843U (en) | 2022-02-18 | 2022-02-18 | Prevention of seepage water concrete precast tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220331503.7U CN216765843U (en) | 2022-02-18 | 2022-02-18 | Prevention of seepage water concrete precast tubular pile |
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| Publication Number | Publication Date |
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| CN216765843U true CN216765843U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220331503.7U Active CN216765843U (en) | 2022-02-18 | 2022-02-18 | Prevention of seepage water concrete precast tubular pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249312A (en) * | 2023-08-23 | 2023-12-19 | 保定市水泥制管有限公司 | Permeation-proof concrete pipeline and production process thereof |
-
2022
- 2022-02-18 CN CN202220331503.7U patent/CN216765843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249312A (en) * | 2023-08-23 | 2023-12-19 | 保定市水泥制管有限公司 | Permeation-proof concrete pipeline and production process thereof |
| CN117249312B (en) * | 2023-08-23 | 2024-05-07 | 保定市水泥制管有限公司 | Permeation-proof concrete pipeline and production process thereof |
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