CN220845054U - Embedded stealthy lifting point device in assembled road surface - Google Patents
Embedded stealthy lifting point device in assembled road surface Download PDFInfo
- Publication number
- CN220845054U CN220845054U CN202322782349.2U CN202322782349U CN220845054U CN 220845054 U CN220845054 U CN 220845054U CN 202322782349 U CN202322782349 U CN 202322782349U CN 220845054 U CN220845054 U CN 220845054U
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- Prior art keywords
- component
- sleeve
- side wall
- point device
- steel reinforcement
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 230000002787 reinforcement Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004873 anchoring Methods 0.000 abstract description 4
- 235000014121 butter Nutrition 0.000 abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model relates to the technical field of assembled pavements and discloses an embedded invisible lifting point device for an assembled pavement, which comprises a frame body component; the frame assembly includes: the PC component is welded with a first steel reinforcement framework net sheet on the inner side wall of the PC component; the second steel reinforcement framework net sheet is welded on the inner side wall of the PC component; the PC component is provided with a connecting component on the inner side wall; the side has no obvious concave-convex components in the construction process, can be tightly assembled without gaps, and is beautiful; the top is free of salient points, and vehicles and personnel walk steadily; the A18 straight thread sleeve is adopted, so that the risk of falling off is avoided; the A18 straight thread sleeve is used as an invisible hanging point, so that the safety coefficient of 10 times can be achieved; the anchoring point is arranged in a hidden way, so that the size and the shape of the section of the PC component are not influenced, and the bearing capacity of the anchoring point of the component is not influenced; the nut is used for covering and smearing butter at ordinary times, rust and pollution are avoided, the covered nut is dismounted during hoisting, and the hoisting screw is screwed in, so that the construction is simple, quick, safe and reliable.
Description
Technical Field
The utility model relates to the technical field of assembled pavements, in particular to an embedded invisible lifting point device for an assembled pavement.
Background
Along with the better and better national development, the traditional building form can not meet the requirements of social development, the green low-carbon environment-friendly assembly type construction technology is widely popularized and applied in the field of building construction, and the assembled concrete pavement replaces the traditional cast-in-place concrete temporary pavement, material storage yards and parking lots, and has the advantages of high paving speed, portability, high recycling rate, less generated building rubbish and the like compared with the traditional cast-in-place concrete pavement and the conventional parking lots.
The PC component of the assembled concrete pavement on the market has large area, large thickness and large weight, is generally installed in a hoisting mode, for example, the patent with the Chinese utility model disclosure of CN218233014U discloses an assembled concrete pavement structure, and the hoisting is realized by arranging a hoisting hole, an inner screw cylinder, a screw piece, a shaft collar, a bearing rod and a hoisting ring.
The existing fabricated pavement is inconvenient to hoist and mount, for example, the patent mentioned above, although the fabricated pavement can be lifted and mount, the exposed steel bar hanging rings are arranged, so that PC components cannot be tightly assembled or protruding points appear on the top of the pavement, personnel and vehicle traffic are affected, and some enterprises solve the problem of hoisting points by arranging hanging holes, grooves and the like at the corners of the PC components, the integrity of the PC components is damaged, and the positions of the hanging points are easy to damage and crack, thereby influencing the repeated use, the durability of the components and the bearing capacity of the hanging points.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an embedded invisible lifting point device for an assembled pavement, which has the advantages of stable lifting, no influence on splicing and the integrity of PC components, and solves the problem that the existing assembled pavement lifting structure has certain limitation.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: an embedded invisible lifting point device for an assembled pavement comprises a frame body component; the frame assembly includes: the PC component is welded with a first steel reinforcement framework net sheet on the inner side wall of the PC component; the second steel reinforcement framework net sheet is welded on the inner side wall of the PC component; the PC component is provided with a connecting component on the inner side wall; the connection assembly includes: stirrup steel bars are welded between the first steel reinforcement framework net sheet and the second steel reinforcement framework net sheet, and four stirrup steel bars are arranged; the sleeve is fixedly connected between each stirrup steel bar and the first steel bar framework net sheet; the steel plates are fixedly connected to the bottoms of the sleeves, and are welded and fixed with the second steel reinforcement framework meshes; the sealing sleeve is arranged on the front surface of the sleeve; the first thread is arranged on the inner side wall of the sleeve.
Preferably: the connection assembly further includes: and the second thread is arranged on the outer side wall of the sleeve, and the sealing sleeve is in threaded connection with the sleeve through the second thread.
Preferably: and the top of each sleeve is provided with a chamfer.
Preferably: four sets of the connection assemblies are symmetrically mounted on two diagonals of the PC member.
Preferably: the distance from the upper two sleeves to the top of the PC component is equal to the distance from the lower two sleeves to the bottom of the PC component.
Preferably: the angle between the outer side wall of each sleeve and the front surface of the PC member is a right angle.
Preferably: the sleeve and the outer side wall of the sealing sleeve are both provided with a rust-proof coating.
(III) beneficial effects
Compared with the prior art, the utility model provides an embedded invisible lifting point device for an assembled pavement, which has the following beneficial effects:
1. The embedded invisible lifting point device is adopted in the construction process of the assembled pavement, no obvious concave-convex component is arranged on the side edge, and the PC prefabricated component can be tightly assembled without gaps, so that the assembled pavement is attractive; the top is free of salient points, and vehicles and personnel walk steadily.
2. The A18 straight thread sleeve and a steel plate perforated groove with the thickness of 100mm multiplied by 5mm are adopted for double-sided full welding, so that the steel plate perforated groove is firmly tied with a PC component, and is welded with an upper layer and a lower layer of reinforcing steel mesh of the PC component, and the falling risk is avoided.
3. The A18 straight thread sleeve is used as a hidden hanging point, so that the bearing capacity is high, and the safety coefficient can reach 10 times.
4. The invisible arrangement of the anchoring point has no influence on the cross section size and shape of the PC component and the bearing capacity of the anchoring point of the component.
5. The nut is used for covering and smearing butter at ordinary times, rust and pollution are avoided, the covered nut is dismounted during hoisting, and the hoisting screw is screwed in, so that the construction is simple, quick, safe and reliable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a connection mode of a sleeve in the connection assembly of the present utility model.
In the figure:
1. A frame assembly; 11. a PC member; 12. a first steel reinforcement framework net sheet; 13. a second steel reinforcement framework net sheet;
2. A connection assembly; 21. stirrup bar; 22. a sleeve; 23. a steel plate; 24. sealing sleeve; 25. a first thread; 26. a second thread;
3. chamfering.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-2, an embedded hidden lifting point device for an assembled pavement comprises a frame body assembly 1; the frame assembly 1 includes: the PC component 11, the inner side wall of which is welded with a first steel reinforcement framework net sheet 12; a second steel reinforcement cage net 13 is welded on the inner side wall of the PC component 11; the inner side wall of the PC component 11 is provided with a connecting component 2; the connection assembly 2 includes: stirrup steel bars 21 are welded between the first steel reinforcement framework mesh sheet 12 and the second steel reinforcement framework mesh sheet 13, and are provided with four; a sleeve 22 fixedly connected between each stirrup bar 21 and the first mesh sheet 12; the steel plates 23 are fixedly connected to the bottom of each sleeve 22, and each steel plate 23 is welded and fixed with the second steel reinforcement cage mesh 13; a sealing sleeve 24 disposed on the front surface of the sleeve 22; the first thread 25 is arranged on the inner side wall of the sleeve 22; the connection assembly 2 further comprises: the second thread 26 is arranged on the outer side wall of the sleeve 22, and the sealing sleeve 24 is in threaded connection with the sleeve 22 through the second thread 26; the top of each sleeve 22 is provided with a chamfer 3; four sets of the connection assemblies 2 are symmetrically installed on two diagonal lines of the PC member 11; the distance from the upper two sleeves 22 to the top of the PC member 11 is equal to the distance from the lower two sleeves 22 to the bottom of the PC member 11; the angle between the outer side wall of each sleeve 22 and the front surface of the PC member 11 is a right angle; the sleeve 22 and the outer side wall of the sealing sleeve 24 are provided with a rust-proof coating.
When the lifting device is used, after the PC component 11 is fixed with the first steel reinforcement framework mesh 12 and the second steel reinforcement framework mesh 13 through a welding machine, the sleeves 22 are welded and fixed with the steel plates 23, and then the stirrups 21 are used, the combined sleeves 22 and the steel plates 23 are welded between the first steel reinforcement framework mesh 12 and the second steel reinforcement framework mesh 13, so that the lifting device is completely preassembled, when the lifting device is needed, the sealing sleeves 24 are taken down from the sleeves 22, then the A18 high-strength bolt lifting devices are connected with the inner side walls of the sleeves 22 through threads, the lifting device is used for lifting, at the moment, the lifting bearing capacity F=540 N×92×3.14= 137343.6 N=13.73 tons, the four lifting points can lift the PC component with the weight of 54.9 tons, and the normal concrete block is 3-5 tons, so that the safety factor requirement of 10 times of lifting is met, until the lifting device is lifted, after the A18 high-strength bolts are separated from the sleeves 22, the sealing sleeves 24 are covered on the sleeves 22 again, rust is prevented, and when the lifting device is also used for preventing mortar from entering the sleeves 22, only the lifting device is taken out from the sleeves 22; when the device is used, the sealing sleeve 24 is an A18 high-strength nut and is in threaded connection with the sleeve 22 through the second thread 26, so that the lifting point is normally in a covered and protected state; when in use, the A18 high-strength bolt lifting tool is conveniently inserted into the sleeve 22; when in use, the PC component 11 is uniformly stressed during hoisting, so that the hoisting is more stable; when the crane is used, the uniform arrangement of the hanging points is ensured, and the center of the crane hook is aligned with the vertical direction of the gravity center of the PC component 11; when in use, the PC component is ensured to be lifted stably, and the stress is uniform and reasonable; when in use, the rust-proof coating is a butter coating, in particular to a butter coating which is smeared on the sealing sleeve 24 and the sleeve 22, thereby avoiding rust and pollution and improving the rust-proof and pollution-resistant performances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An embedded invisible lifting point device for an assembled pavement comprises a frame body assembly (1); the frame assembly (1) comprises:
a PC component (11), wherein the inner side wall of the PC component is welded with a first steel reinforcement framework net sheet (12);
a second steel reinforcement framework mesh (13) is welded on the inner side wall of the PC component (11);
The method is characterized in that: the inner side wall of the PC component (11) is provided with a connecting component (2); the connection assembly (2) comprises:
Stirrup steel bars (21) are welded between the first steel reinforcement framework mesh (12) and the second steel reinforcement framework mesh (13), and four stirrup steel bars are arranged;
A sleeve (22) fixedly connected between each stirrup bar (21) and the first steel reinforcement framework mesh (12);
The steel plates (23) are fixedly connected to the bottoms of the sleeves (22), and each steel plate (23) is welded and fixed with the second steel reinforcement cage mesh (13);
A sealing sleeve (24) arranged on the front surface of the sleeve (22);
the first thread (25) is arranged on the inner side wall of the sleeve (22).
2. The fabricated pavement embedded hidden lifting point device according to claim 1, wherein: the connection assembly (2) further comprises:
And the second thread (26) is arranged on the outer side wall of the sleeve (22), and the sealing sleeve (24) is in threaded connection with the sleeve (22) through the second thread (26).
3. The fabricated pavement embedded hidden lifting point device according to claim 2, wherein: the top of each sleeve (22) is provided with a chamfer (3).
4. The fabricated pavement embedded hidden lifting point device according to claim 3, wherein: four sets of the connection assemblies (2) are symmetrically mounted on two diagonals of the PC member (11).
5. The fabricated pavement embedded hidden lifting point device according to claim 3, wherein: the distance from the upper two sleeves (22) to the top of the PC component (11) is equal to the distance from the lower two sleeves (22) to the bottom of the PC component (11).
6. The fabricated pavement embedded hidden lifting point device according to claim 3, wherein: the angle between the outer side wall of each sleeve (22) and the front surface of the PC member (11) is a right angle.
7. The fabricated pavement embedded hidden lifting point device according to claim 3, wherein: the sleeve (22) and the outer side wall of the sealing sleeve (24) are both provided with a rust-proof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322782349.2U CN220845054U (en) | 2023-10-17 | 2023-10-17 | Embedded stealthy lifting point device in assembled road surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322782349.2U CN220845054U (en) | 2023-10-17 | 2023-10-17 | Embedded stealthy lifting point device in assembled road surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845054U true CN220845054U (en) | 2024-04-26 |
Family
ID=90776935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322782349.2U Active CN220845054U (en) | 2023-10-17 | 2023-10-17 | Embedded stealthy lifting point device in assembled road surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845054U (en) |
-
2023
- 2023-10-17 CN CN202322782349.2U patent/CN220845054U/en active Active
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