CN210596993U - Assembled pier is with grout connecting sleeve - Google Patents
Assembled pier is with grout connecting sleeve Download PDFInfo
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- CN210596993U CN210596993U CN201921242919.6U CN201921242919U CN210596993U CN 210596993 U CN210596993 U CN 210596993U CN 201921242919 U CN201921242919 U CN 201921242919U CN 210596993 U CN210596993 U CN 210596993U
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- barrel
- assembled pier
- wall
- sleeve
- connection sleeve
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Abstract
The utility model discloses an assembled pier is with grout connecting sleeve, the novel nipple rectifier comprises a cylindrical shel, wear to be equipped with the first reinforcing bar that links to each other with the stand and the second reinforcing bar that links to each other with the cushion cap in the hole of barrel, be filled with the thick liquids between the inner wall of barrel and first reinforcing bar and the second reinforcing bar, the outer wall of barrel is equipped with outside convex and the coaxial ring of barrel form arch, and the inner wall of barrel is equipped with the ring form groove corresponding with the ring form arch. The utility model discloses an assembled is grout connecting sleeve for pier has simple structure, the even full, the connection stable performance of thick liquids advantage such as reliable and cost is lower.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to an assembled pier is with grout connecting sleeve.
Background
In recent years, construction techniques of fabricated piers have been started. Compared with a cast-in-place pier column, the assembled pier can reduce the labor intensity of site workers, ensure the safe operation of constructors, has better quality and greatly reduces the sum of early investment and later maintenance cost. The assembled pier upright post has the advantages of large-scale prefabrication, convenient transportation and installation, short construction period, small influence on atmospheric environment, road traffic and citizen life and the like.
The existing assembly type pier is to assemble a cast-in-place bearing platform and a prefabricated upright post, and the core technology of the assembly type pier is reliable connection of the cast-in-place bearing platform and the prefabricated upright post. The common connection mode mainly adopts a straight sleeve to connect the upright steel bars, but the sleeve and the grouting material mainly transmit force through friction and occlusion of a stepped hole, the stepped hole is easy to have the condition of slurry blockage or unsatisfied during grouting, the connection area is longer, and the manufacturing cost is higher; in addition, the outer wall of the sleeve is smooth and straight, and is easy to separate from concrete wrapped around the sleeve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that to the problem that prior art exists, provide a simple structure, the even full, connection stable performance is reliable and the lower assembled grout connecting sleeve for pier of thick liquids.
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model provides an assembled pier is with grout connecting sleeve, includes the barrel, wear to be equipped with the first reinforcing bar that links to each other with the stand and the second reinforcing bar that links to each other with the cushion cap in the hole of barrel, be filled with the thick liquids between the inner wall of barrel and first reinforcing bar and the second reinforcing bar, the outer wall of barrel is equipped with outside convex and the coaxial ring of barrel form arch, and the inner wall of barrel is equipped with the ring form groove corresponding with the ring form arch.
As a further improvement of the above technical solution:
the barrel is provided with a plurality of circular bulges which are distributed along the axial direction.
The inner wall of the cylinder body is also provided with a plurality of groups of stiffening ribs, and the plane where the stiffening ribs are located is perpendicular to the axial direction of the cylinder body.
Each group of stiffening ribs comprises three rib plates which are uniformly distributed around the circumference of the barrel, and a gap exists between every two adjacent rib plates.
The middle part of the inner hole of the barrel is provided with a limiting device, and the end parts of the first reinforcing steel bar and the second reinforcing steel bar penetrating into the barrel are respectively arranged on two sides of the limiting device.
And sealing rings allowing the first steel bars and the second steel bars to penetrate out are respectively arranged at openings at two ends of the cylinder body.
The bottom of barrel is equipped with the feed inlet, and the top is equipped with the discharge gate, all be equipped with the valve on feed inlet and the discharge gate.
The wall thickness of the cylinder body is 8 mm-12 mm, and the height h of the circular ring-shaped bulge is twice the wall thickness of the cylinder body.
The diameter of the first steel bar and the second steel bar is d, and the length of the sleeve is 18 d.
Compared with the prior art, the utility model has the advantages of:
the utility model provides an assembled pier is with grout connecting sleeve, the outer wall of this telescopic barrel be equipped with outside convex with the coaxial ring form arch of barrel, the inner wall of barrel be equipped with the protruding corresponding ring form groove of ring form. The utility model discloses a barrel is because set up ring form arch and ring form groove, wholly be the wave, compare in the sleeve of straight formula in the past, not only guaranteed the stability of being connected of sleeve and inside thick liquids, can be very big improvement the stress state of the inside grout material of sleeve, still make the concrete of sleeve and peripheral parcel keep reliably being connected, the problem that the concrete of solving sleeve and parcel on every side takes place to break away from easily, thereby the holistic biography power performance of sleeve has been strengthened, improve grout quality and improve the atress performance, strengthen inside mechanical interlock and extrude and be connected, guarantee the reliable connection of stand and cushion cap.
In addition, the sleeve connection reliability and stability are high, so that the same connection strength in the past can be ensured by a short sleeve, the length of the sleeve can be reduced by 10%, and more cost is saved.
Drawings
Fig. 1 is a schematic structural view of a grouting connection sleeve for an assembled pier according to the present invention;
FIG. 2 is a half sectional view of FIG. 1;
fig. 3 is a schematic bottom view of the grouting connection sleeve for an assembled pier of the present invention;
FIG. 4 is a half sectional view of FIG. 3;
fig. 5 is a schematic cross-sectional view of the cylinder in the grouting connection sleeve for the assembled pier of the present invention.
Illustration of the drawings: 1. a barrel; 11. a circular bulge; 12. a circular groove; 13. a stiffening rib; 14. a limiting device; 15. a feed inlet; 16. a discharge port; 2. a first reinforcing bar; 3. a second reinforcing bar; 4. sizing agent; 5. and (5) sealing rings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Example (b):
as shown in fig. 1 to 4, the grouting connection sleeve for the fabricated pier of the present embodiment includes a cylinder 1, a first steel bar 2 connected to a column and a second steel bar 3 connected to a bearing platform penetrate through an inner hole of the cylinder 1, slurry 4 is filled between an inner wall of the cylinder 1 and the first steel bar 2 and the second steel bar 3, an outwardly protruding annular protrusion 11 coaxial with the cylinder 1 is disposed on an outer wall of the cylinder 1, and an annular groove 12 corresponding to the annular protrusion 11 is disposed on an inner wall of the cylinder 1.
When the connection construction is carried out, the first reinforcing steel bar 2 connected with the stand column is inserted into the upper end of the cylinder body 1, the cylinder body 1 and the stand column are fixed, and the first reinforcing steel bar 2 and the cylinder body 1 are embedded into the stand column as a whole in a prefabricating factory to carry out prefabricating pouring construction. After the stand is transported to the construction site, the stand is hoisted, the second steel bars 3 extending out of the bearing platform are inserted into the lower end of the barrel 1, and the verticality of the stand is well adjusted. And then high-strength compensation shrinkage slurry 4 is poured until the discharge port 16 overflows the slurry 4 and is kept for a proper time, so that full grouting is ensured.
The barrel 1 of this embodiment is owing to set up ring form arch 11 and ring form groove 12, wholly be the wave, compare in the straight sleeve of formula in the past, not only guaranteed sleeve and inside thick liquids 4's stability of being connected, can very big improvement sleeve inside thick liquids 4's stress state, still make sleeve and peripheral parcel's concrete keep reliable being connected, the problem that the concrete of solving sleeve and parcel on every side takes place to break away from easily, thereby the holistic biography power performance of sleeve has been strengthened, improve grout quality and improve the atress performance, strengthen inside mechanical interlock and extrusion and be connected, guarantee the reliable connection of stand and cushion cap. In addition, the sleeve connection reliability and stability are high, so that the same connection strength in the past can be ensured by a short sleeve, the length of the sleeve can be reduced by 10%, and more cost is saved.
In this embodiment, the cylinder 1 is provided with a plurality of annular protrusions 11, and the annular protrusions 11 are axially arranged, so that the force and force transmission of the cylinder 1 are more uniform and stable.
In this embodiment, the inner wall of the cylinder 1 is further provided with a plurality of sets of stiffening ribs 13, and a plane where the stiffening ribs 13 are located is perpendicular to the axial direction of the cylinder 1. The stiffening ribs 13 can further enhance the occlusion connection strength of the slurry 4 and the cylinder body 1, and improve the internal stress performance.
In this embodiment, as shown in fig. 5, each group of the stiffening ribs 13 includes three rib plates, the three rib plates are uniformly arranged around the circumference of the barrel 1, and a gap exists between adjacent rib plates. The rib plates are arranged in a discretely distributed structure, so that the high-strength slurry 4 can flow conveniently, and the slurry 4 can be smoothly poured into and filled in the cylinder body 1.
In this embodiment, the middle part of the hole of barrel 1 is equipped with stop device 14, and the tip that first reinforcing bar 2 and second reinforcing bar 3 penetrated in the barrel 1 pushes up respectively and locates stop device 14's both sides, conveniently controls the depth of insertion of first reinforcing bar 2 and second reinforcing bar 3 in the work progress.
In this embodiment, the opening part at the both ends of barrel 1 is equipped with respectively and allows the sealing washer 5 that first reinforcing bar 2 and second reinforcing bar 3 worn out for the tip opening of sealed barrel 1.
In this embodiment, the bottom of the cylinder 1 is provided with a feeding hole 15 for filling the high-strength compensation shrinkage slurry 4, and the top is provided with a discharging hole 16, so that the excess slurry 4 and gas are discharged to ensure that the inside of the cylinder 1 is fully filled; the feeding port 15 and the discharging port 16 are provided with valves, so that grouting pressure can be conveniently applied and maintained when the slurry 4 is poured.
In this embodiment, the wall thickness of the cylinder 1 is 8mm to 12mm, and the height h of the annular protrusion 11 is twice the wall thickness of the cylinder 1. The diameter of the first reinforcement bar 2 and the second reinforcement bar 3 is d, the length of the sleeve is 18 d. The sleeve of this embodiment can be used for rebar in the range of 22mm to 32 mm.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention should be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides an assembled pier is with grout connecting sleeve, includes barrel (1), wear to be equipped with first reinforcing bar (2) that link to each other with the stand and second reinforcing bar (3) that link to each other with the cushion cap in the hole of barrel (1), be filled with between the inner wall of barrel (1) and first reinforcing bar (2) and second reinforcing bar (3) thick liquids (4), its characterized in that: the outer wall of the barrel body (1) is provided with an outward convex annular bulge (11) coaxial with the barrel body (1), and the inner wall of the barrel body (1) is provided with an annular groove (12) corresponding to the annular bulge (11).
2. The grout connection sleeve for an assembled pier according to claim 1, wherein: the barrel (1) is provided with a plurality of circular bulges (11), and the circular bulges (11) are distributed along the axial direction.
3. The grout connection sleeve for an assembled pier according to claim 1, wherein: the inner wall of the cylinder body (1) is further provided with a plurality of groups of stiffening ribs (13), and the plane where the stiffening ribs (13) are located is perpendicular to the axial direction of the cylinder body (1).
4. The grout connection sleeve for an assembled pier according to claim 3, wherein: each group of stiffening ribs (13) comprises three rib plates which are uniformly distributed around the circumference of the barrel (1), and a gap exists between every two adjacent rib plates.
5. The grout connection sleeve for an assembled pier according to claim 1, wherein: the middle part of the inner hole of the barrel body (1) is provided with a limiting device (14), and the end parts of the first reinforcing steel bar (2) and the second reinforcing steel bar (3) penetrating into the barrel body (1) are respectively arranged on two sides of the limiting device (14).
6. The grout connection sleeve for an assembled pier according to claim 1, wherein: and sealing rings (5) allowing the first reinforcing steel bars (2) and the second reinforcing steel bars (3) to penetrate out are respectively arranged at openings at two ends of the cylinder body (1).
7. The grout connection sleeve for an assembled pier according to claim 1, wherein: the bottom of barrel (1) is equipped with feed inlet (15), and the top is equipped with discharge gate (16), all be equipped with the valve on feed inlet (15) and discharge gate (16).
8. The grout connection sleeve for an assembled pier according to claim 1, wherein: the wall thickness of the cylinder body (1) is 8 mm-12 mm, and the height h of the circular ring-shaped bulge (11) is twice the wall thickness of the cylinder body (1).
9. The grout connection sleeve for an assembled pier according to claim 1, wherein: the diameter of the first reinforcing steel bar (2) and the diameter of the second reinforcing steel bar (3) are d, and the length of the sleeve is 18 d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242919.6U CN210596993U (en) | 2019-08-02 | 2019-08-02 | Assembled pier is with grout connecting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242919.6U CN210596993U (en) | 2019-08-02 | 2019-08-02 | Assembled pier is with grout connecting sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN210596993U true CN210596993U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921242919.6U Active CN210596993U (en) | 2019-08-02 | 2019-08-02 | Assembled pier is with grout connecting sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112195753A (en) * | 2020-09-09 | 2021-01-08 | 天津由鑫建筑材料制造有限公司 | Grouting metal corrugated pipe for steel bar anchoring and machining method thereof |
-
2019
- 2019-08-02 CN CN201921242919.6U patent/CN210596993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112195753A (en) * | 2020-09-09 | 2021-01-08 | 天津由鑫建筑材料制造有限公司 | Grouting metal corrugated pipe for steel bar anchoring and machining method thereof |
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