CN210658971U - Energy-efficient reinforcing bar grout sleeve - Google Patents
Energy-efficient reinforcing bar grout sleeve Download PDFInfo
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- CN210658971U CN210658971U CN201921293495.6U CN201921293495U CN210658971U CN 210658971 U CN210658971 U CN 210658971U CN 201921293495 U CN201921293495 U CN 201921293495U CN 210658971 U CN210658971 U CN 210658971U
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- grouting
- grouting sleeve
- clamping
- steel bar
- sleeve
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Abstract
The utility model relates to the technical field of building grouting sleeves, in particular to a high-efficiency energy-saving steel bar grouting sleeve, which is internally provided with a cavity, two ends of the grouting sleeve are provided with steel bar inserting ends, one end of the grouting sleeve body is provided with a grouting hole, the other end of the grouting sleeve body is provided with a grout overflow hole, the grouting sleeve comprises two groups of clamping bodies symmetrically arranged in the cavity, two groups of clamping bodies are respectively provided with a driving rod for driving the two groups of clamping bodies to be close to or away from a clamping steel bar, each clamping body comprises a clamping end and a force transfer rod, the clamping end is used for clamping the steel bar, and the force transfer rod is used for reasonably dispersing stress on the whole grouting sleeve, under the premise of ensuring the joint strength, the anchoring length of the grouting connecting end steel bar can be shortened to 4-5 times of the diameter of the steel bar, further the length of the grouting sleeve is shortened, the grouting time is shortened, the efficiency is high, and the energy is saved.
Description
Technical Field
The utility model relates to a building grout sleeve technical field, concretely relates to energy-efficient reinforcing bar grout sleeve.
Background
Compared with a cast-in-place concrete structure, the prefabricated concrete structure has the advantages of high construction speed, energy conservation, environmental protection, high production efficiency and the like, is rapidly developed at home and abroad, is an effective way for promoting the development of building industrialization and housing industrialization, and is an inevitable choice meeting the requirement of green development, the steel bar grouting sleeve belongs to a joint for connecting steel bars, has the advantages of high joint strength, good anti-seismic performance and the like, is an important method for connecting the steel bars among prefabricated concrete components, and according to relevant specified requirements, in order to ensure the strength of the joint, the anchoring length of the steel bars at the grouting connecting end is not less than 8 times of the diameter of the steel bars, and the length of the corresponding steel bar sleeve also meets the corresponding length requirement, so the length of the existing steel bar sleeve is longer.
SUMMERY OF THE UTILITY MODEL
For guaranteeing joint strength among the solution prior art, the longer problem that steel sleeve all needs to set up, the utility model provides an energy-efficient reinforcing bar grout sleeve.
The utility model discloses a following technical scheme realizes:
an efficient energy-saving steel bar grouting sleeve is provided with a cavity inside, two ends of the grouting sleeve are provided with steel bar insertion ends, one end of a cylinder body of the grouting sleeve is provided with a grouting hole, the other end of the cylinder body of the grouting sleeve is provided with a grout overflow hole,
the grouting sleeve comprises two groups of clamping bodies symmetrically arranged in a cavity, wherein the two groups of clamping bodies are respectively provided with a driving rod for driving the two groups of clamping bodies to mutually approach or keep away from a steel bar, one end of the driving rod is connected with the clamping bodies, the other end of the driving rod extends to the outer side of the grouting sleeve from a through hole arranged on the grouting sleeve and can be fixed by a fixing piece arranged on the outer side of the grouting sleeve, and a sealing piece is arranged at the through hole for preventing grouting slurry from leaking out of the through hole;
the clamping body is including connecting the crossbeam, connect crossbeam and reinforcing bar parallel arrangement, connect the supporting rod that sets up two mutual symmetries on the crossbeam at least, be used for the centre gripping respectively and treat two sections reinforcing bars connected, the supporting rod is perpendicular with connecting the crossbeam, supporting rod and actuating lever parallel arrangement, the supporting rod includes power transmission end and exposed core, the exposed core is used for the both sides of centre gripping reinforcing bar, the exposed core is connected to the one end of power transmission end, the other end of power transmission end extends to the biography power inslot of seting up on the grout sleeve inner wall, and inject and pass the inslot activity at the power transmission, drive the exposed core centre gripping reinforcing bar or keep away from the reinforcing bar, pass the power groove and set up on grout sleeve inner wall, the degree.
Furthermore, the depth of the force transmission groove is 0.35 to 0.5 time of the thickness of the wall of the grouting sleeve.
Further, the clamping end is arranged between two adjacent reinforcing ribs.
Furthermore, a thin film is arranged at the port of the pulp overflow hole close to the cavity, and the puncture strength of the thin film is 0.08-0.1N/mum.
The utility model has the advantages that,
the utility model discloses reinforcing bar grout sleeve can shorten grout link reinforcing bar anchor length to 4-5 times reinforcing bar diameter under the prerequisite of guaranteeing joint strength, and then has shortened grout sleeve's length, has saved the quantity of grout thick liquids, has shortened the grout time, and is high-efficient promptly, energy-conservation again.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the clamping rod of the present invention;
Detailed Description
The present invention is further described in conjunction with the following embodiments, which are only a part of the embodiments of the present invention, but not all embodiments, and other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention all belong to the protection scope of the present invention.
A high-efficiency energy-saving steel bar grouting sleeve,
a high-efficiency energy-saving steel bar grouting sleeve is provided with a cavity inside, two ends of the grouting sleeve are provided with steel bar insertion ends, one end of a cylinder body of the grouting sleeve is provided with a grouting hole 1, and the other end of the cylinder body of the grouting sleeve is provided with a grout overflow hole 2;
further, the clamping device comprises two groups of clamping bodies symmetrically arranged in the cavity, an upper driving rod 5 and a lower driving rod 6 are respectively arranged on the two groups of clamping bodies, the upper driving rod 5 and the lower driving rod 6 are used for respectively driving the two groups of clamping bodies to be close to or far away from the clamping reinforcing steel bars, and the upper driving rod 5 and the lower driving rod 6 can be fixed through fixing parts;
further, the clamping body comprises a connecting cross beam 3, the connecting cross beam 3 is arranged in parallel with the steel bars, at least two clamping rods 4 which are symmetrical to each other are arranged on the connecting cross beam 3 and are respectively used for clamping two sections of steel bars to be connected, the clamping rods 4 are perpendicular to the connecting cross beam 3, the clamping rods 4 are arranged in parallel with the driving rod 5, each clamping rod 4 comprises a force transmission end 7 and a clamping end 8, the clamping ends 8 are used for clamping two sides of each steel bar, one end of each force transmission end 7 is connected with the clamping end 8, the other end of each force transmission end 7 extends into a force transmission groove 9 formed in the inner wall of the grouting sleeve and is limited in the force transmission groove 9 to move, the clamping ends are driven to clamp the steel bars or keep away from the steel bars, the force transmission groove 9 is formed in the;
furthermore, the depth of the force transmission groove 9 is 0.35 to 0.5 time of the thickness of the wall of the grouting sleeve;
further, the clamping end 8 is arranged between two adjacent reinforcing ribs;
furthermore, a thin film 10 is arranged at the port of the pulp overflow hole 2 close to the cavity, and the puncture strength of the thin film 10 is 0.08-0.1N/mum.
The utility model discloses reinforcing bar grout sleeve passes through the setting of supporting body structure, has improved the constraint ability of grout material to the reinforcing bar, increases the bonding strength of grout material and grout sleeve internal wall and reinforcing bar, and simultaneously, the inside tensile compressive stress who inserts the reinforcing bar of grout sleeve is by supporting rod and connecting beam reasonable dispersion to whole grout sleeve, avoids the local stress on the grout sleeve too to concentrate, improves the tensile strength of grout sleeve barrel.
In addition, the two groups of clamping bodies can be arranged by a technical means that the driving rods drive the clamping bodies to clamp or keep away from the reinforcing steel bars, so that the applicability of the reinforcing steel bar sleeve is expanded, and the reinforcing steel bar sleeve can adapt to reinforcing steel bars with more diameter size ranges;
the thin film is arranged at the port part of the grout overflow hole close to the cavity, the anti-puncturing capacity of the thin film is limited, the fact that grouting in the cavity is sufficient can be guaranteed, air bubbles and gaps cannot occur, and the overall structural strength is improved.
The above embodiments are only the technical conception and the characteristics of the present invention, and the protection scope of the present invention cannot be limited thereby, and all equivalent changes or decorations made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. An efficient energy-saving steel bar grouting sleeve is provided with a cavity inside, two ends of the grouting sleeve are provided with steel bar insertion ends, one end of a cylinder body of the grouting sleeve is provided with a grouting hole, the other end of the cylinder body of the grouting sleeve is provided with a grout overflow hole,
the grouting sleeve is characterized by comprising two groups of clamping bodies symmetrically arranged in a cavity, wherein the two groups of clamping bodies are respectively provided with a driving rod for driving the two groups of clamping bodies to be close to or far away from a clamping steel bar, one end of the driving rod is connected with the clamping bodies, the other end of the driving rod extends to the outer side of the grouting sleeve from a through hole arranged on the grouting sleeve and can be fixed by a fixing piece arranged on the outer side of the grouting sleeve, and a sealing piece is arranged at the through hole for preventing grouting slurry from leaking out of the through hole;
the clamping body is including connecting the crossbeam, connect crossbeam and reinforcing bar parallel arrangement, connect the supporting rod that sets up two mutual symmetries on the crossbeam at least, be used for the centre gripping respectively and treat two sections reinforcing bars connected, the supporting rod is perpendicular with connecting the crossbeam, supporting rod and actuating lever parallel arrangement, the supporting rod includes power transmission end and exposed core, the exposed core is used for the both sides of centre gripping reinforcing bar, the exposed core is connected to the one end of power transmission end, the other end of power transmission end extends to the biography power inslot of seting up on the grout sleeve inner wall, and inject and pass the inslot activity at the power transmission, drive the exposed core centre gripping reinforcing bar or keep away from the reinforcing bar, pass the power groove and set up on grout sleeve inner wall, the degree.
2. The energy-efficient steel bar grouting sleeve of claim 1,
the depth of the force transmission groove is 0.35-0.5 times of the thickness of the wall of the grouting sleeve.
3. The energy-efficient steel bar grouting sleeve of claim 1,
the clamping end is arranged between two adjacent reinforcing ribs.
4. The energy-efficient steel bar grouting sleeve of claim 1,
the end part of the pulp overflow hole close to the cavity is provided with a film, and the puncture strength of the film is 0.08-0.1N/mum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293495.6U CN210658971U (en) | 2019-08-12 | 2019-08-12 | Energy-efficient reinforcing bar grout sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293495.6U CN210658971U (en) | 2019-08-12 | 2019-08-12 | Energy-efficient reinforcing bar grout sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210658971U true CN210658971U (en) | 2020-06-02 |
Family
ID=70836947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921293495.6U Active CN210658971U (en) | 2019-08-12 | 2019-08-12 | Energy-efficient reinforcing bar grout sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210658971U (en) |
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2019
- 2019-08-12 CN CN201921293495.6U patent/CN210658971U/en active Active
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