CN215210545U - Hoisting structure for UHPC (ultra high performance polycarbonate) short-rib prefabricated slab - Google Patents
Hoisting structure for UHPC (ultra high performance polycarbonate) short-rib prefabricated slab Download PDFInfo
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- CN215210545U CN215210545U CN202120184050.5U CN202120184050U CN215210545U CN 215210545 U CN215210545 U CN 215210545U CN 202120184050 U CN202120184050 U CN 202120184050U CN 215210545 U CN215210545 U CN 215210545U
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- uhpc
- internal thread
- short rib
- prefabricated plate
- hoisting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a short rib prefabricated plate hoisting structure of UHPC, including the short rib prefabricated plate of UHPC, the plane is pre-buried with the axis symmetry has a plurality of internal thread hoist and mount connecting device on the short rib prefabricated plate of UHPC, and the plane pastes tight short rib prefabricated plate of UHPC and is provided with the rigidity gallows on the short rib prefabricated plate of UHPC, the rigidity gallows is connected with the short rib prefabricated plate of UHPC through connecting rod and internal thread hoist and mount connecting device after being connected and is become one, and hoisting equipment hook hoist rigidity gallows realizes the hoist and mount of the short rib prefabricated plate of UHPC. The utility model discloses a short rib prefabricated plate hoisting structure of UHPC adopts cross arm, screw rod and pre-buried internal thread hoist and mount connecting device in the short rib prefabricated plate of UHPC to be connected closely between the short rib prefabricated plate of rigidity gallows and UHPC, and the rigidity of the short rib prefabricated plate of UHPC has been strengthened to rigidity gallows and the short rib prefabricated plate of UHPC and has been connected and form wholly, has avoided the short rib prefabricated plate of UHPC to lead to phenomenons such as drawing of patterns difficulty, prefabricated plate bottom fracture too greatly because of warping in the hoist and mount process.
Description
Technical Field
The utility model relates to a bridge technical field specifically is a short rib prefabricated plate hoisting structure of UHPC.
Background
The UHPC short rib bridge deck is a bridge deck form emerging in recent years, is suitable for steel-UHPC combined structure bridge, and has the structural characteristics that: the panel bottom surface is only along indulging the bridge to setting up the stiffening rib to improve whole decking's rigidity, effectively reduce decking's dead weight and avoid the fracture risk that ordinary concrete decking generally faces.
The UHPC low-rib bridge panel consists of a panel and longitudinal ribs (or transverse ribs), the panel is thin (not more than 10 cm), and the manufacture precision is required to be high; the UHPC short-rib precast slab has a long length and a large width ratio, and before the precast slab is not installed, the rigidity of the long side direction is small, and the deformation is large. Due to the characteristics of the UHPC short rib bridge deck, the prefabricated slab has large deformation in the long side direction in the lifting and hoisting processes, if the lifting is asynchronous or the prefabricated slab has downward disturbance deformation in the lifting process, the slab rib can extrude an inner film, so that the demoulding is difficult, and the prefabricated slab and the mould are damaged.
Disclosure of Invention
To the problem that exists among the above-mentioned prior art, the utility model provides a short rib prefabricated plate hoisting structure of UHPC reduces the deflection of the short rib prefabricated plate hoist and mount of UHPC.
The utility model adopts the technical scheme as follows: a hoisting structure of a UHPC (ultra high performance concrete) short rib prefabricated plate comprises the UHPC short rib prefabricated plate, more than two internal thread hoisting connecting devices are symmetrically pre-buried on the upper plane of the UHPC short rib prefabricated plate by a central axis, a rigid hanging bracket is closely arranged on the upper plane of the UHPC short rib prefabricated plate, the rigid hanging bracket is connected with the internal thread hoisting connecting devices through connecting rods and then connected with the UHPC short rib prefabricated plate into a whole, and hoisting equipment hooks the rigid hanging bracket to realize hoisting of the UHPC short rib prefabricated plate.
Further, the rigid hanger frame is formed by welding profile steel, a plurality of connection points corresponding to the internal thread hoisting connection device are symmetrically arranged on the left side and the right side of the long side of the rigid hanger frame, a cross arm is arranged above the profile steel on the long side of the rigid hanger frame at the connection point, connection forks are arranged at two ends of the cross arm, one end of the connection rod is connected with the internal thread hoisting connection device, and the other end of the connection rod is connected with the connection forks at the end parts of the cross arm. After the connecting rods are locked, the lower part of the long-side profile steel of the rigid hanging bracket is tightly attached to the upper plane of the UHPC short rib precast slab.
Furthermore, the two internal thread hoisting connection devices are arranged in pairs in a group, and the two internal thread hoisting connection devices are symmetrically arranged in the width direction of the UHPC short rib prefabricated slab.
Furthermore, the internal thread hoisting connection device comprises an annular steel bar and an internal thread sleeve which are pre-embedded in ribs of the UHPC short rib prefabricated plate, one end of the annular steel bar is connected with one end of the internal thread sleeve, the axis of the internal thread sleeve is parallel to the vertical axis of the center of gravity of the UHPC short rib prefabricated plate, a through hole is reserved between the other end face of the internal thread sleeve and the surface of the UHPC short rib prefabricated plate, and one end of a connecting rod is in threaded connection with the internal thread sleeve.
Furthermore, the internal thread hoisting connection devices are symmetrically arranged on the length direction of the UHPC short rib precast slab by a central axis at intervals so as to ensure that the local rigidity of the lifted UHPC short rib precast slab meets the stress requirement, and when the internal thread hoisting connection devices are arranged asymmetrically, the gravity center of the crane is ensured to be positioned at the position of a crane hook.
The beneficial effects of the utility model reside in that: the utility model discloses a short rib prefabricated plate hoisting structure of UHPC, adopt the cross arm between rigidity gallows and the short rib prefabricated plate of UHPC, the screw rod is connected with the pre-buried internal thread hoist and mount connecting device hugging closely in the short rib prefabricated plate of UHPC, rigidity gallows and the short rib prefabricated plate of UHPC are connected and are formed wholly, the rigidity of the short rib prefabricated plate of UHPC has been strengthened through the rigidity gallows, at the hoist and mount in-process, the deformation of the short rib prefabricated plate of rigidity gallows and UHPC is no longer than 2mm, avoided the short rib prefabricated plate of UHPC to lead to drawing of patterns difficulty because of warping too greatly in hoist and mount, phenomenons such as prefabricated plate bottom fracture.
The internal thread hoisting connecting device consists of an annular steel bar and an internal thread sleeve which are pre-embedded in the UHPC low-rib precast slab, the connecting rod is in threaded connection with the internal thread sleeve, when hoisting is needed, the connecting rod is screwed into the internal thread sleeve, and after the hoisting is completed, the connecting rod can be screwed out, so that the whole process is convenient to operate.
Drawings
Fig. 1 is a schematic view of the structure in a top view of the present invention.
Fig. 2 is a schematic view of a partial transverse cross section of the present invention.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.
As shown in fig. 1 and 2, the hoisting structure of the UHPC short-rib precast slab according to the embodiment includes a UHPC short-rib precast slab 1, wherein more than two internal thread hoisting connection devices 2 are embedded in the upper plane of the UHPC short-rib precast slab 1 symmetrically about a central axis, the internal thread hoisting connection devices 2 are arranged in groups, and the two internal thread hoisting connection devices 2 are symmetrically arranged in the width direction of the UHPC short-rib precast slab 1. The internal thread hoisting connection device 2 comprises an annular steel bar 201 and an internal thread sleeve 202 which are embedded in the ribs of the UHPC short rib prefabricated slab 1 together, one end of the annular steel bar 201 is connected with one end of the internal thread sleeve 202, the axis of the internal thread sleeve 202 is parallel to the vertical axis of the gravity center of the UHPC short rib prefabricated slab, and a through hole is reserved between the other end face of the internal thread sleeve 202 and the surface of the UHPC short rib prefabricated slab.
A rigid hanging bracket 3 is arranged on the UHPC short rib prefabricated plate 1 in a manner of being attached to the UHPC short rib prefabricated plate 1 in a plane mode, the rigid hanging bracket 3 is a rectangular frame which is formed by welding section steel and is similar to the prefabricated plate in shape, a plurality of connecting points corresponding to the internal thread hoisting connecting device 2 are symmetrically arranged on the left side and the right side of the long side of the rigid hanging bracket 3 at the connecting points, a cross arm 4 is arranged above the long side section steel of the rigid hanging bracket 3 at the positions of the connecting points, connecting forks are arranged at two ends of the cross arm 4, connecting rods 5 are connected to the connecting forks, the other ends of the connecting rods 5 penetrate through reserved through holes in the surface of the UHPC short rib prefabricated plate and are in threaded connection with an internal thread sleeve 202, the upper surface of the UHPC short rib prefabricated plate is attached to the lower portion of the long side section steel of the rigid hanging bracket 3 and is connected with the UHPC short rib prefabricated plate into a whole, and the UHPC short rib prefabricated plate 1 is hoisted by a hoisting device.
The arrangement of the female thread hoisting connection device 2 is: at least 4 internal thread hoisting connection devices 2 are symmetrically distributed in the ribs in the same width direction, different ribs in the length direction of the UHPC short-rib precast slab 1 are symmetrically distributed relative to the central axis of the UHPC short-rib precast slab 1, and intervals are arranged to ensure that the local rigidity of the hoisted UHPC short-rib precast slab 1 meets the stress requirement.
Many modifications and other embodiments of the invention will come to mind to one skilled in the art to which this invention pertains having the benefit of the teachings presented in the foregoing descriptions and the associated drawings. Therefore, it is to be understood that the inventions are not to be limited to the specific embodiments disclosed and that modifications and other embodiments are intended to be included within the scope of the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (5)
1. The utility model provides a short rib prefabricated plate hoisting structure of UHPC, includes short rib prefabricated plate (1) of UHPC, its characterized in that: the upper plane of the UHPC short rib prefabricated slab (1) is embedded with more than two internal thread hoisting connecting devices (2) symmetrically by a central axis, the upper plane of the UHPC short rib prefabricated slab (1) is closely attached with a rigid hanging bracket (3), the rigid hanging bracket (3) is connected with the internal thread hoisting connecting devices (2) through a connecting rod (5) and then is connected with the UHPC short rib prefabricated slab (1) into a whole, and hoisting equipment hooks the rigid hanging bracket (3) to realize hoisting of the UHPC short rib prefabricated slab (1).
2. A hoisting structure of a UHPC low-rib precast slab as recited in claim 1, wherein: rigid hanger (3) are tailor-welded by shaped steel and are constituteed the frame, and rigid hanger (3) long limit bilateral symmetry sets up the tie point that a plurality of and internal thread hoist and mount connecting device (2) correspond, is provided with cross arm (4) in the long limit shaped steel top of rigid hanger (3) of tie point position, and cross arm (4) both ends set up the connection fork, connecting rod (5) one end links to each other with internal thread hoist and mount connecting device (2), and the other end is connected with the connection fork of cross arm (4) tip, and connecting rod (5) locking back, rigid hanger (3) long limit shaped steel below is hugged closely with the upper plane of the short rib prefabricated plate (1) of UHPC.
3. A hoisting structure of a UHPC short-rib precast slab as recited in claim 1 or 2, wherein: the two internal thread hoisting connection devices (2) are arranged in pairs, and the two internal thread hoisting connection devices (2) are symmetrically arranged in the width direction of the UHPC short rib prefabricated slab (1).
4. A hoisting structure of a UHPC low-rib precast slab as recited in claim 1, wherein: the internal thread hoisting connection device (2) comprises an annular steel bar (201) and an internal thread sleeve (202) which are embedded in ribs of the UHPC short rib prefabricated plate (1) together, one end of the annular steel bar (201) is connected with one end of the internal thread sleeve (202), the axis of the internal thread sleeve (202) is parallel to the gravity center vertical axis of the UHPC short rib prefabricated plate, a through hole is reserved between the other end face of the internal thread sleeve (202) and the surface of the UHPC short rib prefabricated plate, and one end of a connecting rod (5) is in threaded connection with the internal thread sleeve (202).
5. A hoisting structure of a UHPC low-rib precast slab as recited in claim 1, wherein: the internal thread hoisting connection device (2) is symmetrically arranged on the length direction of the UHPC low-rib precast slab (1) by a central axis, the arrangement intervals ensure that the local rigidity of the hoisted UHPC low-rib precast slab (1) meets the stress requirement, and when the internal thread hoisting connection device is arranged asymmetrically, the hoisting gravity center is ensured to be positioned at the position of a crane hook.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021100372786 | 2021-01-12 | ||
| CN202110037278 | 2021-01-12 |
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| Publication Number | Publication Date |
|---|---|
| CN215210545U true CN215210545U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120184050.5U Active CN215210545U (en) | 2021-01-12 | 2021-01-23 | Hoisting structure for UHPC (ultra high performance polycarbonate) short-rib prefabricated slab |
| CN202110091949.7A Pending CN112627053A (en) | 2021-01-12 | 2021-01-23 | Hoisting structure for UHPC (ultra high performance polycarbonate) short-rib prefabricated slab |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110091949.7A Pending CN112627053A (en) | 2021-01-12 | 2021-01-23 | Hoisting structure for UHPC (ultra high performance polycarbonate) short-rib prefabricated slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627053A (en) * | 2021-01-12 | 2021-04-09 | 湖南中路华程桥梁科技股份有限公司 | Hoisting structure for UHPC (ultra high performance polycarbonate) short-rib prefabricated slab |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6595718B2 (en) * | 2001-09-19 | 2003-07-22 | Works R&D, Inc. | Exo-lift |
| CN203769153U (en) * | 2014-04-09 | 2014-08-13 | 上海泛太建筑设计有限公司 | Externally-hung light prefabricated wallboard |
| CN206753086U (en) * | 2017-04-22 | 2017-12-15 | 青岛博海建设集团有限公司 | A kind of small-sized assembled architecture component hanging apparatus |
| CN207211389U (en) * | 2017-06-30 | 2018-04-10 | 浙江省建工集团有限责任公司 | A kind of assembled architecture is encorbelmented outrigger anchor hoop |
| CN207194015U (en) * | 2017-09-26 | 2018-04-06 | 悉地（苏州）勘察设计顾问有限公司 | A kind of pipe gallery built-in type movable floor hook assembly |
| CN208009911U (en) * | 2018-02-01 | 2018-10-26 | 南昌大学 | A kind of pre-buried dismountable Combined type sling in part |
| CN208249701U (en) * | 2018-06-01 | 2018-12-18 | 中建二局第一建筑工程有限公司 | A kind of precast stair hoisting appliance |
| CN210013129U (en) * | 2019-04-23 | 2020-02-04 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated stand hoist structure |
| CN215210545U (en) * | 2021-01-12 | 2021-12-17 | 湖南中路华程桥梁科技股份有限公司 | Hoisting structure for UHPC (ultra high performance polycarbonate) short-rib prefabricated slab |
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2021
- 2021-01-23 CN CN202120184050.5U patent/CN215210545U/en active Active
- 2021-01-23 CN CN202110091949.7A patent/CN112627053A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627053A (en) * | 2021-01-12 | 2021-04-09 | 湖南中路华程桥梁科技股份有限公司 | Hoisting structure for UHPC (ultra high performance polycarbonate) short-rib prefabricated slab |
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| CN112627053A (en) | 2021-04-09 |
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