CN216665064U - Pre-buried hoisting component and prefabricated concrete structure containing same - Google Patents
Pre-buried hoisting component and prefabricated concrete structure containing same Download PDFInfo
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- CN216665064U CN216665064U CN202220137146.0U CN202220137146U CN216665064U CN 216665064 U CN216665064 U CN 216665064U CN 202220137146 U CN202220137146 U CN 202220137146U CN 216665064 U CN216665064 U CN 216665064U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
Abstract
The utility model provides an embedded hoisting component and an assembled concrete structure containing the same, and belongs to the technical field of embedded hoisting components. The problem of current built-in fitting structural strength is low for solving, easily breaks away from in the concrete during hoist and mount, influences efficiency of construction and constructor safety. The pre-buried hoisting component comprises a plurality of U-shaped steel bundles, a steel backing plate, a fixing sleeve and an anchorage device backing plate, wherein two ends of each U-shaped steel bundle sequentially penetrate through the steel backing plate and the anchorage device backing plate and are fixed on the anchorage device backing plate through the fixing sleeve. A plurality of embedded hoisting components are arranged on the concrete structure, the steel base plate is arranged on the end face of the concrete structure, and the U-shaped steel bundle, the fixing sleeve and the anchor device base plate below the steel base plate are all embedded into the concrete structure. The plurality of U-shaped steel bundles and the steel base plate can increase the total breaking force of the embedded points, and improve the connection stability and the structural strength with the concrete structure; the curved part of U type steel bundle is convenient for hoist and mount snatch of couple, improves work efficiency and constructor's factor of safety.
Description
Technical Field
The utility model relates to the technical field of embedded hoisting members, in particular to an embedded hoisting member and an assembled concrete structure containing the same.
Background
The concrete prefabricated part refers to an assembled concrete part which is manufactured before installation in a construction site, is generally common to be a prefabricated concrete floor slab, a concrete box beam for a bridge, a prefabricated concrete roof beam for an industrial factory building, a concrete structure frame structure, a prefabricated concrete pile for foundation treatment and the like, and is widely applied to the fields of building, wind power equipment and the like. In the forming process of the concrete prefabricated part (such as the forming of the concrete tower drum prefabricated part), a hoisting device is usually required to be pre-buried on the concrete prefabricated part for later-stage auxiliary hoisting and transferring of the concrete prefabricated part.
In the prior art, hoisting devices are of various types, generally comprise embedded parts which are directly embedded in concrete and are provided with lifting lugs or connecting holes, and when the hoisting device is used, auxiliary hoisting movement of a concrete prefabricated part is realized by connecting ropes, lifting hooks and the like on the embedded parts. The embedded part is usually set as a single steel stranded rope and is embedded into the concrete, the structural strength is relatively low, the embedded part is easily separated from the concrete in the hoisting process, the construction efficiency is influenced, and the safety of constructors cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows:
in order to solve current built-in fitting mostly single steel strand wires pre-buried to the concrete, structural strength is low, easily breaks away from in the concrete during hoist and mount, influences the problem of efficiency of construction and constructor safety.
The utility model adopts the technical scheme for solving the technical problems that:
the utility model provides an embedded hoisting member which comprises a plurality of U-shaped steel bundles, a steel backing plate, a fixing sleeve and an anchor device backing plate, wherein a plurality of anchor holes are formed in corresponding positions of the steel backing plate and the anchor device backing plate, two ends of each U-shaped steel bundle sequentially penetrate through the anchor holes in the steel backing plate and the anchor device backing plate, and the parts, penetrating through the anchor device backing plate, of the two ends of each U-shaped steel bundle are fixed on the anchor device backing plate through the fixing sleeve.
Furthermore, the U-shaped steel bundles are uniformly distributed on the steel backing plate and the anchorage device backing plate.
Further, the number of the U-shaped steel bundles in each embedded hoisting member is 3-8.
Furthermore, the device also comprises a U-shaped steel bundle sleeve, and the U-shaped steel bundle sleeve is sleeved on the bent part of the U-shaped steel bundle.
Furthermore, the U-shaped steel bundle comprises a steel core and steel strands, and the U-shaped steel bundle is formed by twisting a plurality of steel strands around the steel core.
Further, the U-shaped steel bundle is a steel core steel strand of 6 × 37S + FC.
Further, the strength of the U-shaped steel bundle is 1960MPa, and the nominal diameter of the U-shaped steel bundle is 64 mm.
The prefabricated concrete structure comprises a concrete structure body, wherein a plurality of embedded hoisting members are arranged on the concrete structure body, a steel base plate is arranged on the end face of the concrete structure body, and a U-shaped steel bundle, a fixing sleeve and an anchorage device base plate which are arranged below the steel base plate are embedded into the concrete structure body.
Furthermore, at least one embedded hoisting member is arranged at each of four angular positions on the section or the plane of the concrete structure.
Furthermore, at least one embedded hoisting member is arranged at each of four angular positions on the section of the concrete structure, and at least one embedded hoisting member is arranged on the end face of one side of the concrete structure.
Compared with the prior art, the utility model has the beneficial effects that:
according to the pre-buried hoisting member, two ends of a U-shaped steel bundle sequentially penetrate through the steel backing plate and the anchor backing plate and are connected with the anchor backing plate through the fixing sleeve, a plurality of U-shaped steel bundles are arranged on each pre-buried hoisting member to replace the traditional steel strand pre-burying, and the arrangement of the U-shaped steel bundles can increase the total combined breaking force of pre-buried points; the connection stability and the structural strength of the embedded hoisting piece and the concrete structure are improved by additionally arranging the steel base plate, so that the hoisting of the concrete structure in industries with higher requirements (such as wind power industry) can be met;
the bent part of the U-shaped steel bundle can facilitate the grabbing of the hoisting hook, the hoisting time can be reduced, the working efficiency is improved, the abrasion to the hoisting hook can be reduced due to the bent structure, the service life of the embedded hoisting component is prolonged, and the practical application value of the embedded hoisting component is increased;
the utility model provides an assembled concrete structure who contains pre-buried hoist and mount component, is provided with the pre-buried hoist and mount component of a plurality of on the concrete structure, and the steel backing plate sets up on the concrete structure terminal surface, and U shaped steel bunch, fixed cover and ground tackle backing plate of steel backing plate below are all prefabricated in the concrete structure, and multiplicable whole concrete structure's structural stability avoids constructor to take place to drop when concrete structure hoist and mount, injures by a crashing object or leads to the dead condition of constructor to take place, improves constructor's factor of safety.
Drawings
Fig. 1 is a perspective view of an embedded hoisting member of the present invention;
fig. 2 is a side view of an embedded hoisting member of the present invention;
fig. 3 is a top view of an embedded hoisting member of the present invention;
FIG. 4 is a cross-sectional view of a U-shaped steel bundle of the present invention;
fig. 5 is a first perspective view of an assembled concrete structure containing embedded hoisting members according to the present invention;
fig. 6 is a second perspective view of an assembled concrete structure containing embedded hoisting members according to the present invention;
figure 7 is a side cross-sectional view of an assembled concrete structure of the present invention containing pre-embedded hoisting members;
FIG. 8 is a stress calculation diagram of a section hoisting fabricated concrete structure according to the present invention;
fig. 9 is a stress calculation diagram of the plane hoisting fabricated concrete structure of the present invention;
figure 10 is a stress calculation chart for a rotating hoisted fabricated concrete structure of the present invention.
Description of reference numerals:
the steel anchor comprises a steel base plate 1, a steel bundle 2-U-shaped, an anchor base plate 3, a fixing sleeve 4, a concrete structure 5, a steel bundle sleeve 2-1-U-shaped, a steel strand 2-2 and a steel core 2-3.
Detailed Description
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", "left", "right", and the like in the embodiments indicate terms of orientation, and are used only for simplifying the positional relationship based on the drawings of the specification, and do not represent that the elements, devices, and the like indicated in the description must operate according to the specific orientation and the defined operation, method, and configuration, and such terms are not to be construed as limiting the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The first specific embodiment is as follows: the utility model provides an embedded hoisting member which comprises a plurality of U-shaped steel bundles 2, a steel backing plate 1, a fixing sleeve 4 and an anchor backing plate 3, wherein a plurality of anchor holes are formed in corresponding positions on the steel backing plate 1 and the anchor backing plate 3, two ends of each U-shaped steel bundle 2 sequentially penetrate through the anchor holes in the steel backing plate 1 and the anchor backing plate 3, two ends of each U-shaped steel bundle 2 penetrate through the anchor backing plate 3 and are fixed on the anchor backing plate 3 through the fixing sleeve 4, and the fixing sleeve 4 is a P-shaped anchor.
Each embedded hoisting component is provided with a plurality of U-shaped steel bundles 2 to replace the traditional steel strand embedding, the arrangement of the U-shaped steel bundles 2 can increase the total breaking force of an embedded point, a steel backing plate 1 is additionally arranged to increase the connection stability and the structural strength of the embedded hoisting component and the concrete structure 5, and the hoisting of the concrete structure 5 in the industry with higher requirements (such as wind power industry) can be met;
the bent part of the U-shaped steel bundle 2 can facilitate grabbing of the hoisting hook, the hoisting time can be reduced, the working efficiency can be improved, the abrasion to the hoisting hook can be reduced due to the bent structure, the service life of the embedded hoisting component can be prolonged, and the practical application value of the embedded hoisting component is increased.
The second specific embodiment: referring to fig. 1 to 4, the U-shaped steel bundles 2 are uniformly distributed on the steel backing plate 1 and the anchor backing plate 3, and the U-shaped steel bundles 2 are parallel to each other, so that grabbing of the hoisting hook is facilitated. Other combinations and connections of this embodiment are the same as those of the first embodiment.
The third concrete implementation scheme is as follows: referring to fig. 1 to 4, the number of the U-shaped steel bundles 2 in each embedded hoisting member is 3-8. Other combinations and connections of this embodiment are the same as those of the second embodiment.
The fourth specific embodiment: as shown in fig. 1 to 4, the embedded hoisting member further comprises a U-shaped steel bundle casing 2-1, wherein the U-shaped steel bundle casing 2-1 is sleeved on a bending part of the U-shaped steel bundle 2, so that the U-shaped steel bundle 2 is further prevented from being damaged by friction when being continuously grabbed, and the service life of the embedded hoisting member 5 can be prolonged. Other combinations and connections of this embodiment are the same as those of the third embodiment.
The fifth concrete embodiment: referring to fig. 1 to 4, the U-shaped steel bundle 2 includes a steel core 2-3 and a plurality of steel strands 2-2, and the U-shaped steel bundle 2 is formed by twisting a plurality of steel strands 2-2 around the steel core 2-3 to increase the strength of the U-shaped steel bundle 2. Other combinations and connections of this embodiment are the same as those of the fourth embodiment.
The sixth specific embodiment: referring to fig. 1 to 4, the U-shaped steel bundle 2 is a steel core steel strand of 6 × 37S + FC. Other combinations and connections of this embodiment are the same as those of the fifth embodiment.
The seventh specific embodiment: as shown in fig. 1 to 4, the strength of the U-shaped steel bundle 2 is 1960MPa, and the nominal diameter of the U-shaped steel bundle 2 is 64 mm. Other combinations and connections of this embodiment are the same as those of the fifth embodiment.
Preferably, the dimensions of said pouch 4 are 350mm x 100mm x 20 mm.
The specific embodiment eight: referring to fig. 5 to 7, the prefabricated concrete structure with embedded hoisting members comprises a concrete structure 5, wherein the concrete structure 5 is provided with a plurality of embedded hoisting members, a steel base plate 1 is arranged on the end surface of the concrete structure 5, and a U-shaped steel bundle 2, a fixing sleeve 4 and an anchor device base plate 3 below the steel base plate 1 are embedded in the concrete structure 5. U type steel bundle 2, fixed cover 4 and the ground tackle backing plate 3 that steel backing plate 1 transferred are all prefabricated in concrete structure 5, and multiplicable whole concrete structure 5's structural stability avoids constructor to take place to drop when concrete structure 5 hoists, injures by a crashing object or leads to the dead condition of constructor to take place, improves constructor's factor of safety. Other combinations and connections of this embodiment are the same as any of the embodiments one to seven.
Wherein the concrete structures 5 in figures 5 to 7 are culverts.
The specific embodiment is nine: referring to fig. 5 and 7, at least one embedded hoisting member is arranged at each of four angular positions on the section or the plane of the concrete structure 5, which is equivalent to hoisting from the plane or from the section. Other combinations and connections of this embodiment are the same as those of embodiment eight.
Assuming that the embedding depth of the anchor backing plate 3 is 1000mm, and the grade of the concrete of the culvert is calculated according to C30;
anchor backing plate 3 size: 350X 100X 20 mm;
as shown in FIG. 8, when the concrete structure 5 is lifted from the cross section, the tensile stress of the concrete structure 5 is 1.20MPa < 1.43MPa (C30 concrete strength grade) and the displacement is 0.01mm according to the analysis of 4 lifting points, thereby meeting the specification requirement.
As shown in fig. 9, when the concrete structure 5 is lifted from a plane, the tensile stress of the concrete structure 5 is 1.41MPa < 1.43MPa (C30 concrete strength grade) and the displacement is 0.02mm according to 4 lifting points, which satisfies the specification requirements.
The specific embodiment ten: referring to fig. 6 and 7, at least one embedded hoisting member is arranged at each of four angular positions on the cross section of the concrete structure 5, and at least one embedded hoisting member is arranged on one side end surface of the concrete structure 5, which is equivalent to performing rotary hoisting. Other combinations and connections of this embodiment are the same as those of the ninth embodiment.
Preferably, two embedded hoisting members are arranged on one side end face of the concrete structure 5.
As shown in FIG. 10, when the concrete structure 5 is lifted by rotation, the tensile stress of the concrete structure 5 is 0.9MPa < 1.43MPa and the displacement is 0.04mm according to the analysis of 6 lifting points, which meets the specification requirements.
The specific embodiment eleven: referring to fig. 7, the anchor backing plate 3 has a depth of 1000mm to 1200 mm. Other combinations and connections of this embodiment are the same as nine or ten specific embodiments.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. The utility model provides a pre-buried hoist and mount component which characterized in that: the pre-buried hoisting component comprises a plurality of U-shaped steel bundles (2), a steel base plate (1), a fixing sleeve (4) and an anchorage device base plate (3), a plurality of anchor holes are formed in corresponding positions of the steel base plate (1) and the anchorage device base plate (3), the two ends of each U-shaped steel bundle (2) sequentially penetrate through the anchor holes in the steel base plate (1) and the anchorage device base plate (3), and the two ends of each U-shaped steel bundle (2) penetrate through the anchorage device base plate (3) and are partially fixed on the anchorage device base plate (3) through the fixing sleeve (4).
2. The embedded hoisting member of claim 1, wherein: the U-shaped steel bundles (2) are uniformly distributed on the steel backing plate (1) and the anchorage device backing plate (3).
3. The embedded hoisting member of claim 2, wherein: the number of the U-shaped steel bundles (2) in each embedded hoisting member is 3-8.
4. The embedded hoisting member of claim 3, wherein: the steel bundle pipe is characterized by further comprising a U-shaped steel bundle sleeve (2-1), wherein the U-shaped steel bundle sleeve (2-1) is sleeved on the bending part of the U-shaped steel bundle (2).
5. The embedded hoisting member of claim 4, wherein: the U-shaped steel bundle (2) comprises a steel core (2-3) and steel strands (2-2), and the U-shaped steel bundle (2) is formed by stranding a plurality of steel strands (2-2) around the steel core (2-3).
6. The embedded hoisting member of claim 5, wherein: the U-shaped steel bundle (2) is a steel core steel strand of 6 multiplied by 37S + FC.
7. The embedded hoisting member of claim 5, wherein: the strength of the U-shaped steel bundle (2) is 1960MPa, and the nominal diameter of the U-shaped steel bundle (2) is 64 mm.
8. An assembled concrete structure containing embedded hoisting members, which comprises a concrete structure (5), and is characterized in that: the concrete structure (5) is provided with a plurality of embedded hoisting members according to any one of claims 1 to 7, the steel base plate (1) is arranged on the end face of the concrete structure (5), and the U-shaped steel bundle (2), the fixing sleeve (4) and the anchor device base plate (3) below the steel base plate (1) are embedded in the concrete structure (5).
9. The prefabricated concrete structure containing the embedded hoisting members as claimed in claim 8, wherein: and at least one embedded hoisting member is arranged at four angular positions on the section or the plane of the concrete structure (5).
10. The prefabricated concrete structure containing the embedded hoisting members as claimed in claim 8, wherein: four angular positions on the section of the concrete structure (5) are provided with at least one embedded hoisting member, and one side end face of the concrete structure (5) is provided with at least one embedded hoisting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220137146.0U CN216665064U (en) | 2022-01-18 | 2022-01-18 | Pre-buried hoisting component and prefabricated concrete structure containing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220137146.0U CN216665064U (en) | 2022-01-18 | 2022-01-18 | Pre-buried hoisting component and prefabricated concrete structure containing same |
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| Publication Number | Publication Date |
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| CN216665064U true CN216665064U (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220137146.0U Active CN216665064U (en) | 2022-01-18 | 2022-01-18 | Pre-buried hoisting component and prefabricated concrete structure containing same |
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| CN (1) | CN216665064U (en) |
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