CN217782580U - Precast concrete beam with preset hoisting point structure - Google Patents
Precast concrete beam with preset hoisting point structure Download PDFInfo
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- CN217782580U CN217782580U CN202221408114.6U CN202221408114U CN217782580U CN 217782580 U CN217782580 U CN 217782580U CN 202221408114 U CN202221408114 U CN 202221408114U CN 217782580 U CN217782580 U CN 217782580U
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- precast concrete
- concrete beam
- sleeve
- point structure
- internal thread
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Abstract
The utility model discloses a precast concrete beam of hoisting point structure is predetermine in area, including the precast concrete beam body, the inside pre-buried at least one sleeve that has the bottom to upwards have one section internal thread portion of precast concrete beam body, the sleeve with the same axle center of internal thread portion, telescopic axis with the length direction of precast concrete beam body is perpendicular, just telescopic bottom with the bottom surface of precast concrete beam body maintains an equal level, makes the opening of internal thread portion exposes, thereby makes the bottom of precast concrete beam forms internal thread hoisting point structure. The utility model discloses a precast concrete roof beam of hoisting point structure is predetermine in area upwards has at least one sleeve of one section internal thread portion through being provided with the bottom, can realize the convenient installation to hoist and mount piece at the bottom of the beam, convenient follow-up construction operation.
Description
Technical Field
The utility model relates to a precast concrete roof beam technical field especially relates to a precast concrete roof beam of hoisting point structure is predetermine in area.
Background
In industrial buildings, large hanging loads are often generated, particularly concrete structures, and embedded parts are embedded at the bottom and the side of a concrete beam or bars are embedded through chemical anchor bolts in the prior art.
The above method has the following problems: 1. the self weight of the embedded part or the steel plate is large, so that the method is not economical; 2. embedded part anchor bars or post-planted steel bars often interfere with beam steel bars, and the site construction is complicated; 3. the procedure of brushing the paint on the outer side of the embedded part or the steel plate is complex, and the construction is troublesome; 4. and the later installation needs on-site welding, and the process is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical defect who exists among the prior art, and provide a precast concrete roof beam of hoisting point structure is predetermine in area, bury the steel sleeve underground through the precast concrete roof beam bottom, guarantee that steel sleeve does not take place to shift at the concreting in-process, can conveniently use this sleeve during later stage equipment fixing simultaneously.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
the utility model provides a precast concrete roof beam of hoisting point structure is predetermine in area, includes the precast concrete roof beam body, the inside pre-buried at least one sleeve that has the bottom to upwards have one section internal thread portion that has of precast concrete roof beam body, the sleeve with the coaxial axle center of internal thread portion, telescopic axis with the length direction of precast concrete roof beam body is perpendicular, just telescopic bottom with the bottom surface of precast concrete roof beam body keeps flat, makes the opening of internal thread portion exposes, thereby makes the bottom of precast concrete roof beam forms internal thread hoisting point structure.
The sleeve is provided with two through holes above the internal thread portion in the radial direction of the sleeve, and the two through holes are different in height and perpendicular to the axis direction of the two through holes.
The prefabricated concrete beam comprises a prefabricated concrete beam inner beam, sleeves, carrying poles and prefabricated concrete beams, wherein the carrying poles for limiting are arranged to limit the relative positions of the two sleeves spaced along the width direction of the prefabricated concrete beam and the positions of the sleeves in the prefabricated concrete beam, the upper parts and the lower parts of the two sleeves are respectively sleeved with one of the carrying poles, and the carrying poles are bound with steel stranded wires at the bottom of the prefabricated concrete beam inner beam.
The carrying pole is made of steel and is pre-provided with a limiting hole matched with the sleeve.
Wherein, the sleeve is made of steel.
The utility model discloses a precast concrete beam of hoisting point structure is predetermine in area upwards has at least one sleeve of one section internal thread portion through being provided with the bottom, can realize at the convenient installation to hoist and mount piece of beam bottom, convenient follow-up construction operation.
Drawings
Fig. 1 is the utility model discloses a prefabricated profiled precast concrete roof beam whole section structure schematic diagram of hanging point structure is predetermine in area.
Fig. 2 is a schematic cross-sectional view of a sleeve for a precast concrete beam with a preset hoisting point structure according to the present invention.
Fig. 3 is a plan view of the shoulder pole used for the precast concrete beam with the preset hoisting point structure of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-3, the utility model discloses a precast concrete beam of hoisting point structure is predetermine in area, including precast concrete beam body 1, the inside pre-buried at least one sleeve 2 that has one section internal thread portion 23 upwards to have the bottom of having of precast concrete beam body, the sleeve with the coaxial axle center of internal thread portion, the axis of sleeve 2 with precast concrete beam body 1's length direction is perpendicular, just telescopic bottom with the bottom surface of precast concrete beam body is levelled, makes the opening of internal thread portion exposes, thereby makes the bottom of precast concrete beam forms the internal thread hoisting point structure.
Two through holes, such as a first through hole 21 and a second through hole 22, are formed in the sleeve above the internal thread portion along the radial direction of the sleeve, and the two through holes have different heights and are perpendicular to the axial direction of the two through holes.
The prefabricated concrete beam comprises two sleeves, wherein the two sleeves are arranged in the prefabricated concrete beam, the sleeves are spaced in the width direction of the prefabricated concrete beam, the relative positions of the two sleeves are limited, the positions of the sleeves in the prefabricated concrete beam are limited, the upper parts and the lower parts of the two sleeves are respectively sleeved with one of the carrying poles 3 in advance before concrete pouring, and the carrying poles 3 and the prefabricated concrete beam inner beam bottom steel stranded wires 4 are fixedly bound in advance before concrete pouring.
The method comprises the following steps of firstly, placing a rectangular beam stirrup 5 in advance before concrete pouring, binding the beam stirrup 5 with a beam bottom steel strand 4, placing a beam top steel strand 6 in advance before concrete pouring, binding the beam stirrup 5 with the beam top steel strand to form a precast concrete inner steel structure frame, and finally pouring concrete to form a precast concrete beam, wherein the precast concrete beam is shown in figure 1.
Wherein, the shoulder pole is made of steel and is pre-provided with a limiting hole 31 matched with the sleeve.
Wherein, the sleeve is made of steel.
To predetermineeing the hoisting point under the precast concrete roof beam, the utility model discloses connected node has following advantage for traditional built-in fitting or back bar planting node:
1. the bearing capacity of the node is reliable, and uncertainty generated by field welding construction is avoided;
2. the installation is convenient, and the bolt is only needed to be screwed into the inner thread of the sleeve on site;
3. the beam bottom does not need secondary coating, so that the construction process is saved;
4. the connecting piece is small in size and convenient to transport and install on site.
In a word, the utility model discloses a precast concrete roof beam of hoisting point structure is predetermine in area upwards has at least one sleeve of one section internal thread portion through being provided with the bottom, can realize the convenient installation to hoisting accessory at the bottom of the beam, convenient follow-up construction operation.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof;
the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The precast concrete beam with the preset lifting point structure is characterized by comprising a precast concrete beam body, wherein at least one sleeve with a section of internal thread part upwards arranged at the bottom is pre-embedded in the precast concrete beam body, the sleeve and the internal thread part are coaxial, the axis of the sleeve is perpendicular to the length direction of the precast concrete beam body, the bottom of the sleeve is flush with the bottom surface of the precast concrete beam body, and an opening of the internal thread part is exposed, so that the bottom of the precast concrete beam forms the internal thread lifting point structure.
2. A precast concrete beam with a preset lifting point structure according to claim 1, wherein two through holes are formed in the sleeve above the internal threaded part in a radial direction of the sleeve, the two through holes having different heights and being perpendicular to an axial direction of the two through holes.
3. The precast concrete beam with the preset hoisting point structure according to claim 1, wherein a shoulder pole for limiting is provided to define a relative position of two sleeves spaced apart in a width direction of the precast concrete beam and a position of the sleeves within the precast concrete beam, and one of the shoulder poles is respectively fitted to upper and lower portions of the two sleeves, and the shoulder pole is bound to the precast concrete beam inner sill wire.
4. A precast concrete beam with a preset hoisting point structure according to claim 3, wherein the shoulder pole is a steel shoulder pole on which a limiting hole is preformed to be engaged with the sleeve.
5. A precast concrete beam with a preset lifting point structure according to claim 1, wherein the sleeve is formed of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221408114.6U CN217782580U (en) | 2022-06-08 | 2022-06-08 | Precast concrete beam with preset hoisting point structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221408114.6U CN217782580U (en) | 2022-06-08 | 2022-06-08 | Precast concrete beam with preset hoisting point structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217782580U true CN217782580U (en) | 2022-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221408114.6U Active CN217782580U (en) | 2022-06-08 | 2022-06-08 | Precast concrete beam with preset hoisting point structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217782580U (en) |
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2022
- 2022-06-08 CN CN202221408114.6U patent/CN217782580U/en active Active
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