CN212863775U - Plate-type lifting lug structure for hoisting construction of large concrete prefabricated part - Google Patents
Plate-type lifting lug structure for hoisting construction of large concrete prefabricated part Download PDFInfo
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- CN212863775U CN212863775U CN202021178837.2U CN202021178837U CN212863775U CN 212863775 U CN212863775 U CN 212863775U CN 202021178837 U CN202021178837 U CN 202021178837U CN 212863775 U CN212863775 U CN 212863775U
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Abstract
The utility model discloses a board-like lug structure of large-scale precast concrete component hoist and mount construction, include: the lifting lug plate comprises an arc-shaped section and a straight section, a lifting hole is formed in the center of the arc-shaped section, and the arc-shaped section is connected with a lifting appliance through the lifting hole; one end of the straight section is connected with the arc-shaped section in an integrated forming mode, the other end of the straight section is fixedly connected with an anchoring plate, the anchoring plate is fixedly connected with the straight section, and at least one reinforcing rib plate is arranged on each of two sides of the joint of the lug plate and the anchoring plate. The utility model provides a plate-type lug structure, intensity is high, and the commonality is strong, does not have the influence to component intensity, does not have destruction to the component outward appearance in the hoist and mount operation, need not secondary construction such as plug hole or repair, and adopts the lug plate structure of taking the lewis hole, and it is convenient, simple process to untie the cable or take off the hoist.
Description
Technical Field
The utility model relates to a civil engineering construction field, especially plate-type lug structure of large-scale concrete prefabricated component hoist and mount construction.
Background
The concrete prefabricated part has the advantages of quality guarantee, high construction efficiency, resource saving, environmental protection and the like, and is widely applied to the field of civil engineering construction. The concrete prefabricated part needs to be hoisted in the engineering construction process, and the conventional hoisting process comprises a binding type, a pre-buried hoisting ring, a reserved hoisting hole and a reserved hoisting box. The binding type hoisting is provided with a pocket rope binding method, a clamping rope binding method and a clamping ring connecting binding method, and hoisting operation is carried out by adopting a sling or a hoisting cable to penetrate through the bottom of a concrete prefabricated part and then fixing the sling or the hoisting cable by adopting clamping ring fixing and other modes.
The binding type hoisting is not enough for fixing the concrete prefabricated part, so that the falling risk is large in the hoisting process. The reserved hoisting hole needs to be drilled in the prefabricated part, so that the strength of the prefabricated part is influenced to a certain extent, and the cable is loosened after hoisting is completed, particularly under the condition that the position of the hoisting hole is low or underwater cable loosening is needed; and for concrete prefabricated parts with higher requirements on tightness, such as caissons and the like, underwater plugging operation is required, so that the construction risk is higher. The reserved hanging boxes are usually arranged in the bottom area of the component, a hanging cable channel needs to be reserved in the height direction of the component, the influence on the structural strength is large, and the method is suitable for large components insensitive to the structural strength, such as blocks, anchoring blocks and the like. The existing hoisting process has poor universality and cannot simultaneously meet the requirements of hoisting capacity, member strength, construction safety and the like.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides the board-like lug structure of large-scale concrete prefabricated component hoist and mount construction.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a plate-type lifting lug structure for hoisting large precast concrete members comprises: the anchor plate is characterized in that the lifting lug plate comprises an arc-shaped section and a straight section, a lifting hole is formed in the center of the arc-shaped section, and the arc-shaped section is connected with a lifting appliance through the lifting hole;
one end of the straight section is connected with the arc-shaped section in an integrated forming mode, the other end of the straight section is fixedly connected with an anchoring plate, the anchoring plate is fixedly connected with the straight section, and at least one reinforcing rib plate is arranged on each of two sides of the joint of the lug plate and the anchoring plate.
In a preferred embodiment of the present invention, the arc of the curved end is pi/4 to 7 pi/4.
In a preferred embodiment of the present invention, the thickness of the straight section is smaller than the thickness of the arc-shaped section.
The utility model discloses a preferred embodiment, there is at least one lug board in the board-like lug structure of large-scale precast concrete component hoist and mount.
In a preferred embodiment of the present invention, the anchoring plate is welded to the straight section.
In a preferred embodiment of the present invention, the reinforcing ribs are arranged on both sides of the ear plate, one side of the reinforcing ribs is fixed on the ear plate, and the other side of the reinforcing ribs is fixed on the anchoring plate.
In a preferred embodiment of the present invention, the single-sided reinforcing ribs are arranged at equal intervals.
In a preferred embodiment of the present invention, the reinforcing ribs are made of trapezoidal steel plates.
The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:
(1) the utility model provides a plate-type lifting lug structure, which has high strength, strong universality and no influence on the strength of a component, does not damage the appearance of the component in hoisting operation, does not need secondary construction such as hole plugging or repairing, and adopts a lifting lug plate structure with a lifting hole, so that the cable is conveniently released or the lifting appliance is conveniently released, the process is simple, and no influence is caused on the strength of the component; the embedded height is not limited by weight, the embedded type lifting device can be embedded at the top end of the member or other positions of the lifting device which is easy to release, secondary construction such as underwater cable release or preformed hole plugging is avoided, construction risks are reduced, and the embedded type lifting device is particularly suitable for hoisting operation of large-scale concrete prefabricated box members on the sea.
(2) The lifting lug plate is formed by transforming a rectangular steel plate, the outline of the exposed end is cut into a semi-circle shape so as to avoid abrasion of a sharp corner on a lifting cable, a lifting hole is reserved in the middle and connected with a lifting appliance, the reinforcing rib plate is a trapezoidal steel plate, one side of the reinforcing rib plate is welded with the lifting lug plate, the other side of the reinforcing rib plate is welded with the anchoring plate, and the two sides of the lifting lug plate are distributed at equal intervals so as to reinforce the rigidity of the joint of the lifting lug plate and. In the hoisting operation, the hoisting point of the crane hook and the gravity center of the hoisting weight are on the same plumb line, so that the hoisting weight is in a stable balance state, and the inclination generated in the hoisting process is effectively avoided.
(3) The thickness of the lifting lug plate is calculated according to the lifting force so as to meet the requirements of tensile strength and shear strength of steel. The embedded depth of the lug plates and the anchoring plates can be used for checking the local compressive strength, the anti-bursting strength, the anti-pulling strength, the anti-side-bursting strength and the anti-shearing prying strength of the concrete so as to avoid the prefabricated concrete member from being damaged in the hoisting process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, drawings of other embodiments can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a plate-type lifting lug structure for hoisting construction of a large-scale concrete prefabricated part;
FIG. 2 is a top view of a plate-type lifting lug structure for hoisting construction of a large-scale concrete prefabricated part;
fig. 3 is a side view of a plate-type lifting lug structure for hoisting construction of a large-sized concrete prefabricated part.
The reference numerals are as follows: 1. hoisting holes; 2. an arc-shaped section; 3. a straight section; 4. a reinforcing rib plate; 5. an anchoring plate; 6. a lifting lug structure.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The embodiment discloses a plate-type lifting lug structure 6 for hoisting a large precast concrete member, which, as shown in fig. 1-2, comprises: the lifting lug plate is used for suspending a concrete component and an anchoring plate 5 placed at the bottom of the lifting lug plate, the lifting lug plate is divided into an arc-shaped section 2 and a straight section 3, the lifting lug plate is formed by transforming a rectangular steel plate, the outline is cut into a semi-circle shape so as to avoid abrasion of a sharp corner to a lifting cable, the radian of the arc-shaped end is 3 pi/2, the thickness of the arc-shaped section 2 is larger than that of the straight section 3, a lifting hole 1 is formed in the center position of the arc-shaped section 2, one end of the arc-shaped section 2 is connected with a lifting appliance through the lifting hole 1, one end of the straight section 3 is fixedly connected with the anchoring plate 5, the other end of the straight section 3 and the arc-shaped section 2 are in an integrally formed connecting structure, at least one lifting lug plate is arranged in a plate type lifting lug structure 6 for lifting the large-sized precast concrete component, the anchoring plate 5 and the straight section 3 are fixedly connected through, the reinforcing rib plates 4 are arranged on two sides of the lifting lug plate, the reinforcing rib plates 4 on one side are arranged at equal intervals, the reinforcing rib plates 4 are trapezoidal steel plates so as to enhance the rigidity of the joint of the lifting lug plate and the anchoring plate 5, and the position relations of the reinforcing rib plates 4, the anchoring plate 5 and the lifting lug plate are mutually vertical.
As shown in fig. 3, during the hoisting operation, the hoisting point of the crane hook and the center of gravity of the hoisting weight are on the same plumb line, so that the hoisting weight is in a stable and balanced state, and the inclination generated during the hoisting is effectively avoided. The thickness of the lifting lug plate is calculated according to the lifting force so as to meet the requirements of tensile strength and shear strength of steel. The embedded depth of the lug plates and the anchoring plates 5 can be used for checking the local compressive strength, the anti-bursting strength, the anti-pulling strength, the anti-side-bursting strength and the anti-shearing prying strength of the concrete so as to avoid the prefabricated concrete member from being damaged in the hoisting process.
The utility model provides a plate-type lifting lug structure 6, which has high strength, strong universality and no influence on the strength of a component, does not damage the appearance of the component in hoisting operation, does not need secondary construction such as hole plugging or repairing, and adopts a lifting lug plate structure with a lifting hole 1, so that the cable is conveniently disconnected or the lifting appliance is conveniently disconnected, the process is simple, and the strength of the component is not influenced; the embedded height is not limited by weight, the embedded type lifting device can be embedded at the top end of the member or other positions of the lifting device which is easy to release, secondary construction such as underwater cable release or preformed hole plugging is avoided, construction risks are reduced, and the embedded type lifting device is particularly suitable for hoisting operation of large-scale concrete prefabricated box members on the sea.
The utility model discloses pre-buried rings of during operation are pre-buried ring by single major diameter reinforcing bar or rod iron bending shape in advance when precast concrete component, and the hoist is connected with rings during the hoist and mount operation. The embedded hanging ring is limited by the strength of the steel bar or the steel bar and the anchoring length, so that the embedded hanging ring is only suitable for the condition that the weight of the member is not large. The reserved lifting hole 1 is a hole reserved in the concrete prefabricated part, and a lifting cable or a lifting belt penetrates through the lifting hole 1 to operate during lifting. Therefore, the embedded lifting hole 1 is suitable for the land concrete prefabricated part. The reserved hanging box means that a box-shaped groove with a wedge opening is reserved in the precast concrete component, and during hanging, a special hanging tool enters the hanging box and then is fixed with the reserved wedge opening to perform operation.
Example 2
The embodiment discloses a plate-type lifting lug structure 6 for hoisting a large precast concrete member, which, as shown in fig. 1-2, comprises: the lifting lug plate is used for suspending a concrete component and an anchoring plate 5 placed at the bottom of the lifting lug plate, the lifting lug plate is divided into an arc section 2 and a straight section 3, the lifting lug plate is formed by transforming a rectangular steel plate, the outline is cut into a semi-circle shape so as to avoid abrasion of a sharp corner to a lifting cable, the radian of the arc end is pi/4, the thickness of the arc section 2 is larger than that of the straight section 3, a lifting hole 1 is formed in the center position of the arc section 2, one end of the arc section 2 is connected with a lifting appliance through the lifting hole 1, one end of the straight section 3 is fixedly connected with the anchoring plate 5, the other end of the straight section 3 and the arc section 2 are in an integrally formed connecting structure, at least one lifting lug plate is arranged in a plate type lifting lug structure 6 for lifting the large-sized precast concrete component, the anchoring plate 5 and the straight section 3 are fixedly connected through bolts, at least one rib plate 4 is arranged on two, the reinforcing rib plates 4 are arranged on two sides of the lifting lug plate, the reinforcing rib plates 4 on one side are arranged at equal intervals, the reinforcing rib plates 4 are trapezoidal steel plates so as to enhance the rigidity of the joint of the lifting lug plate and the anchoring plate 5, and the position relations of the reinforcing rib plates 4, the anchoring plate 5 and the lifting lug plate are mutually vertical.
As shown in fig. 3, during the hoisting operation, the hoisting point of the crane hook and the center of gravity of the hoisting weight are on the same plumb line, so that the hoisting weight is in a stable and balanced state, and the inclination generated during the hoisting is effectively avoided. The thickness of the lifting lug plate is calculated according to the lifting force so as to meet the requirements of tensile strength and shear strength of steel. The embedded depth of the lug plates and the anchoring plates 5 can be used for checking the local compressive strength, the anti-bursting strength, the anti-pulling strength, the anti-side-bursting strength and the anti-shearing prying strength of the concrete so as to avoid the prefabricated concrete member from being damaged in the hoisting process.
Example 3
The embodiment discloses a plate-type lifting lug structure 6 for hoisting a large precast concrete member, which, as shown in fig. 1-2, comprises: the lifting lug plate is used for suspending a concrete component and an anchoring plate 5 placed at the bottom of the lifting lug plate, the lifting lug plate is divided into an arc-shaped section 2 and a straight section 3, the lifting lug plate is formed by transforming a rectangular steel plate, the outline is cut into a semi-circle shape so as to avoid abrasion of a sharp corner to a lifting cable, the radian of the arc-shaped end is 7 pi/4, the thickness of the arc-shaped section 2 is larger than that of the straight section 3, a lifting hole 1 is formed in the center position of the arc-shaped section 2, one end of the arc-shaped section 2 is connected with a lifting appliance through the lifting hole 1, one end of the straight section 3 is fixedly connected with the anchoring plate 5, the other end of the straight section 3 and the arc-shaped section 2 form an integrally formed connecting structure, at least one lifting lug plate is arranged in a plate type lifting lug structure 6 for lifting the large-sized precast concrete component, the anchoring plate 5 and the straight section 3 are fixedly connected through bolts, the reinforcing rib plates 4 are arranged on two sides of the lifting lug plate, the reinforcing rib plates 4 on one side are arranged at equal intervals, the reinforcing rib plates 4 are trapezoidal steel plates so as to enhance the rigidity of the joint of the lifting lug plate and the anchoring plate 5, and the position relations of the reinforcing rib plates 4, the anchoring plate 5 and the lifting lug plate are mutually vertical.
As shown in fig. 3, during the hoisting operation, the hoisting point of the crane hook and the center of gravity of the hoisting weight are on the same plumb line, so that the hoisting weight is in a stable and balanced state, and the inclination generated during the hoisting is effectively avoided. The thickness of the lifting lug plate is calculated according to the lifting force so as to meet the requirements of tensile strength and shear strength of steel. The embedded depth of the lug plates and the anchoring plates 5 can be used for checking the local compressive strength, the anti-bursting strength, the anti-pulling strength, the anti-side-bursting strength and the anti-shearing prying strength of the concrete so as to avoid the prefabricated concrete member from being damaged in the hoisting process.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A plate-type lifting lug structure for hoisting large precast concrete members comprises: the anchor plate comprises a lifting lug plate and an anchoring plate, wherein the lifting lug plate is used for suspending a concrete member, the anchoring plate is placed at the bottom of the lifting lug plate, the anchor plate is characterized in that the lifting lug plate comprises an arc-shaped section and a straight section, a lifting hole is formed in the center of the arc-shaped section, and the arc-shaped section is connected with a lifting appliance through the lifting hole;
one end of the straight section is connected with the arc section in an integrated forming mode, the other end of the straight section is fixedly connected with the anchoring plate, the anchoring plate is fixedly connected with the straight section, and at least one reinforcing rib plate is arranged on each of two sides of the joint of the lifting lug plate and the anchoring plate.
2. The plate-type lifting lug structure for hoisting large precast concrete units according to claim 1, wherein: the radian of the arc-shaped section ranges from pi/4 to 7 pi/4.
3. The plate-type lifting lug structure for hoisting large precast concrete units according to claim 1, wherein: the thickness of the straight section is smaller than that of the arc-shaped section.
4. The plate-type lifting lug structure for hoisting large precast concrete units according to claim 1, wherein: at least one lifting lug plate is arranged in the plate-type lifting lug structure hoisted by the large precast concrete component.
5. The plate-type lifting lug structure for hoisting large precast concrete units according to claim 1, wherein: and the anchoring plate is welded and fixed with the straight section.
6. The plate-type lifting lug structure for hoisting large precast concrete units according to claim 1, wherein: the reinforcing rib plates are arranged on two sides of the lifting lug plate, one side of each reinforcing rib plate is fixed on the lifting lug plate, and the other side of each reinforcing rib plate is fixed on the anchoring plate.
7. The plate-type lifting lug structure for hoisting large precast concrete units according to claim 6, wherein: the reinforcing rib plates on one side are arranged at equal intervals.
8. The plate-type lifting lug structure for hoisting large precast concrete units according to claim 1, wherein: the reinforcing rib plate is a trapezoidal steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021178837.2U CN212863775U (en) | 2020-06-23 | 2020-06-23 | Plate-type lifting lug structure for hoisting construction of large concrete prefabricated part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021178837.2U CN212863775U (en) | 2020-06-23 | 2020-06-23 | Plate-type lifting lug structure for hoisting construction of large concrete prefabricated part |
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| CN212863775U true CN212863775U (en) | 2021-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179214A (en) * | 2021-11-16 | 2022-03-15 | 南方海上风电联合开发有限公司 | Novel embedded hoisting point structure suitable for large-size precast concrete component |
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2020
- 2020-06-23 CN CN202021178837.2U patent/CN212863775U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179214A (en) * | 2021-11-16 | 2022-03-15 | 南方海上风电联合开发有限公司 | Novel embedded hoisting point structure suitable for large-size precast concrete component |
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