CN215052142U - Continuous tensioning lifting beam device - Google Patents
Continuous tensioning lifting beam device Download PDFInfo
- Publication number
- CN215052142U CN215052142U CN202120237394.8U CN202120237394U CN215052142U CN 215052142 U CN215052142 U CN 215052142U CN 202120237394 U CN202120237394 U CN 202120237394U CN 215052142 U CN215052142 U CN 215052142U
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- cross beam
- lifting
- prestressed
- nut
- steel bars
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 210000004258 portal system Anatomy 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model provides a can be in succession the handle device of stretch-draw. The lifting beam device comprises a portal system and a lifting system, wherein the portal system comprises a cross beam and a triangular support, and the bottom end of the triangular support abuts against the top surface of the prefabricated part. The lifting system comprises an upper nut, a through jack, a hollow base, a lower nut, prestressed thick steel bars and a lower cross beam. The penetrating jack is erected above the cross beam, and the prestressed thick steel bars penetrate through the upper nut, the penetrating jack, the hollow base, the lower nut, the cross beam, the preformed hole of the prefabricated part and the lower cross beam. The prestressed coarse steel bars are provided with threads, the prestressed steel bars are in threaded connection with the upper nuts and the lower nuts, and the prestressed coarse steel bars are detachably connected with the lower cross beam. The utility model discloses a handle device adopts the lifting mode that can stretch-draw in succession, and the work of lifting by crane of the great or heavier concrete prefabricated component of specially adapted size, its easy operation, easy dismounting, the space restriction of lifting by crane are little, are one kind and worth the handle device of wide use.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, especially, relate to a handle device that can stretch-draw in succession.
Background
During the installation and dismantling construction of municipal engineering bridges, the lifting and hoisting of prefabricated parts are often involved, and the lifting and hoisting are realized by means of corresponding hoisting equipment. Some of the concrete prefabricated parts with larger sizes or heavier weights, such as prefabricated box girders, weigh hundreds of tons, often need larger hoisting space by using truck cranes or crawler cranes, and cannot be realized when the clearance is limited. Therefore, a continuous tensioning lifting beam device suitable for limited lifting space is to be designed so as to ensure reliable lifting construction of the prefabricated part.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can be in succession stretch-draw handle device, aim at solving when the space of lifting by crane is limited, the great or heavier concrete prefabricated component of weight of size problem of lifting by crane.
The utility model discloses a can stretch out the handle device continuously like this, it includes portal system and lift system, the portal system includes the crossbeam and fixes the triangle-shaped support below the crossbeam, the bottom of the triangle-shaped support supports the prefabricated component top surface that hoists well; the lifting system comprises an upper nut, a through jack, a hollow base, a lower nut, prestressed thick steel bars and a lower cross beam; the penetrating jack is erected above the cross beam, and the prestressed thick steel bars sequentially penetrate through the upper nut, the penetrating jack, the hollow base, the lower nut, the cross beam, the prefabricated part preformed hole and the lower cross beam from top to bottom; the prestressed thick steel bar is provided with threads, the prestressed steel bar is in threaded connection with the upper nut and the lower nut, and the prestressed thick steel bar is connected with the lower cross beam in a detachable mode through the connecting piece.
Furthermore, the triangular support is formed by two inclined struts and a horizontal connecting rod group, the top ends of the inclined struts are fixedly connected with the cross beam, and the bottom ends of the inclined struts abut against the top surface of the prefabricated component.
Furthermore, the triangular support is fixed below two ends of the cross beam.
Furthermore, the prestressed thick steel bars are in threaded connection with the lower cross beam through connecting nuts.
Compared with the prior art, the utility model, beneficial effect lies in:
the utility model provides a but continuous stretch-draw's handle device, its simple structure, low in manufacturing cost, application method is simple, and work efficiency is high, can reduce the cost of erectting or demolising of concrete prefabricated component. Practice site construction proves that the two lifting beam devices are used for working in a matched mode, more than one hundred tons of prefabricated beams can be lifted, and the lifting operation of various common prefabricated small box girders in the municipal bridge construction at present can be met.
And simultaneously, the utility model discloses a handle device adopts the lifting mode that can stretch-draw in succession, and the work of lifting by crane of the great or heavier concrete prefabricated component of specially adapted size, its easy operation, easy dismounting, the restriction of the space of lifting by crane are little, are one kind and are worth the handle device of wide use.
Drawings
Fig. 1 is a schematic view of a continuously tensioned lifting beam device for lifting concrete prefabricated parts according to an embodiment of the present invention;
FIG. 2 is a side schematic view of the lifting apparatus of FIG. 1;
the labels in the figure are: 1-gantry system, 2-lifting beam system, 200-prefabricated part, 11-cross beam, 12-inclined strut, 13-horizontal connecting rod, 21-upper nut, 22-penetrating jack, 23-hollow base, 24-lower nut, 25-prestressed coarse steel bar, 26-lower cross beam and 27-connecting nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and 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 noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, a preferred embodiment of the present invention is shown, which is a continuous tension lifting device, comprising a gantry system 1 and a lifting system 2.
The gantry system 1 comprises a beam 11 and a triangular bracket fixed below the beam 11, the bottom end of the triangular bracket abutting against the top surface of the prefabricated part 200. Specifically, the triangular support is formed by two inclined struts 12 and a horizontal connecting rod 13, the top ends of the inclined struts 12 are fixedly connected with the cross beam 11, and the bottom ends of the inclined struts 12 abut against the top surface of the hoisted prefabricated component 200. And a triangular bracket is fixed below the two ends of the cross beam 11.
The lifting system 2 comprises an upper nut 21, a through jack 22, a hollow base 23, a lower nut 24, prestressed reinforcing bars 25 and a lower cross beam 26. The penetrating jack 22 is erected above the cross beam 11, and the prestressed thick steel bars 25 sequentially penetrate through the upper nut 21, the penetrating jack 22, the hollow base 23, the lower nut 24, the cross beam 11, the preformed hole of the prefabricated part 200 and the lower cross beam 26 from top to bottom. The prestressed coarse steel bars 25 are provided with threads, and the prestressed steel bars 25 are in threaded connection with the upper nuts 21 and the lower nuts 24. The prestressed reinforcing bars 25 are detachably connected to the lower cross beam 26 through a connecting member, and in this embodiment, the prestressed reinforcing bars 25 are connected to the lower cross beam 26 through connecting nuts 27 by threads.
The embodiment also provides a using method for lifting the prefabricated part by applying the lifting beam device, which comprises the following steps:
s1, screwing the upper nut 21 to the top of the piston of the penetrating jack 22, and feeding oil into the penetrating jack 22 to drive the prestressed coarse steel bars 25 and the prefabricated parts 200 at the lower end to ascend;
s2, stabilizing pressure after the piston of the center-penetrating jack 22 reaches the maximum stroke, screwing down the nut 24 to the top surface of the beam 11, unlocking the prestressed thick steel bar 25 and the prefabricated part 200 at the lower end with the center-penetrating jack 22, and supporting the prestressed thick steel bar 25 and the prefabricated part 200 on the beam 11 through the nut 24;
s3, discharging oil from the center-penetrating jack 22, enabling the piston to return to zero, and screwing the upper nut 21 to the top of the piston of the center-penetrating jack 22 again;
and S4, repeating the oil feeding and oil discharging process of the through jack 22 to realize continuous tensioning and lifting of the lifting system 2.
The continuously-tensioned lifting beam device is simple in structure, low in manufacturing cost, simple in using method and high in working efficiency, and can reduce the erection or dismantling cost of the concrete prefabricated part. Practice site construction proves that the two lifting beam devices are used for working in a matched mode, more than one hundred tons of prefabricated beams can be lifted, and the lifting operation of various common prefabricated small box girders in the municipal bridge construction at present can be met.
Meanwhile, the lifting beam device of the embodiment adopts a lifting mode capable of being continuously tensioned, is particularly suitable for the lifting work of concrete prefabricated parts with large sizes or heavy weight, is simple to operate, convenient to disassemble and assemble, has small restriction on lifting space, and is worthy of popularization and application.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The lifting beam device capable of being continuously tensioned is characterized by comprising a portal system and a lifting system, wherein the portal system comprises a cross beam and a triangular support fixed below the cross beam, and the bottom end of the triangular support abuts against the top surface of a hoisted prefabricated part; the lifting system comprises an upper nut, a through jack, a hollow base, a lower nut, prestressed thick steel bars and a lower cross beam; the penetrating jack is erected above the cross beam, and the prestressed thick steel bars sequentially penetrate through the upper nut, the penetrating jack, the hollow base, the lower nut, the cross beam, the prefabricated part preformed hole and the lower cross beam from top to bottom; the prestressed thick steel bar is provided with threads, the prestressed thick steel bar is in threaded connection with the upper nut and the lower nut, and the prestressed thick steel bar is connected with the lower cross beam in a detachable mode through a connecting piece.
2. The beam apparatus as claimed in claim 1, wherein the triangular support is formed by two diagonal braces and a horizontal linkage, the top ends of the diagonal braces are fixedly connected with the cross beam, and the bottom ends of the diagonal braces abut against the top surface of the prefabricated member.
3. A handle assembly as claimed in claim 1 or claim 2, wherein one of said triangular brackets is fixed to the underside of each end of said cross member.
4. The apparatus of claim 1 or 2, wherein the prestressed reinforcement bars are threadedly coupled to the lower cross member by coupling nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120237394.8U CN215052142U (en) | 2021-01-26 | 2021-01-26 | Continuous tensioning lifting beam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120237394.8U CN215052142U (en) | 2021-01-26 | 2021-01-26 | Continuous tensioning lifting beam device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215052142U true CN215052142U (en) | 2021-12-07 |
Family
ID=79252997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120237394.8U Active CN215052142U (en) | 2021-01-26 | 2021-01-26 | Continuous tensioning lifting beam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215052142U (en) |
-
2021
- 2021-01-26 CN CN202120237394.8U patent/CN215052142U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Unit 1205, block C, building 1, Xinghe legend Garden Phase III, Longtang community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen comprehensive transportation and municipal engineering design and Research Institute Co.,Ltd. Country or region after: China Address before: Unit 1205, block C, building 1, Xinghe legend Garden Phase III, Longtang community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TRANSPORTATION DESIGN & RESEARCH INSTITUTE Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |