LU502156B1 - Temporary support test device for erection of large-span box girder - Google Patents
Temporary support test device for erection of large-span box girder Download PDFInfo
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- LU502156B1 LU502156B1 LU502156A LU502156A LU502156B1 LU 502156 B1 LU502156 B1 LU 502156B1 LU 502156 A LU502156 A LU 502156A LU 502156 A LU502156 A LU 502156A LU 502156 B1 LU502156 B1 LU 502156B1
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- erection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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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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Abstract
The invention discloses a temporary support test device for erection of large-span box girder, which comprises a box girder bearing mechanism, including a bearing support plate that can pre-build a cement slurry platform, a plurality of groups of beam frame clamping pieces installed inside the bearing support plate, and a fixing piece for realizing bearing capacity. By arranging the material blocking support which can cover the preformed reinforcement cage, the top plate and side plate which can protect the cement slurry are movably connected outside the material blocking support, and a plurality of groups of beam frame clamping pieces supporting the preformed reinforcement cage are connected at the bottom of the two material blocking supports, when the preformed reinforcement cage is integrally fixed by the a plurality of groups of beam frame clamping pieces, the engineers can perform cement pouring on the preformed reinforcement cage at this time, so that the mechanism is convenient for engineers to quickly pour and mold the box girder type bridge, so as to avoid labor waste caused by the use of a large number of wood formwork at present and the labor time and labor consumption during mold construction.
Description
BL-5507 ' LU502156 TEMPORARY SUPPORT TEST DEVICE FOR ERECTION OF LARGE-SPAN
BACKGROUND Field of Invention The present invention relates to the technical field of large-span box beams, in particular relates to a temporary support test device for erection of large-span box girder Background of the Invention Box girder is a kind of bridge engineering, and because there are flanges on both sides of its upper part, which are similar to boxes, the box girder of reinforced concrete structure is divided into prefabricated box girder and cast-in-place box girder, and the box girder structure prefabricated in an independent place can be erected by the bridge erecting machine after the completion of the lower part of the project, so as to improve the progress speed of the project and save the construction period. At present, the existing box girder structure needs to clamp a timber template outside the prefabricated reinforcement and cover the assembled reinforcement with the timber template when assembling the reinforcement and pouring the mixed energy soil in the prefabricated place, according to the internal structure of the single box girder and the multi-box girder, the worker will spend a lot of time to assemble the mold during the assembly template, and the consumption amount of the wood mold is great; and the strength detection of the box girder with solidified cement slurry after molding has become a necessary link for the subsequent pouring and construction of the box girder. According to the above-mentioned problems, how to solve the convenient mold establishment of the box girder bridge and improve the rapid disassembly and inspection of the box girder cement slurry pouring system is the technical difficulty to be solved by the present invention.
BL-5507 LU502156
SUMMARY The present invention aims to solve one of the technical problems existing in the prior art or related technologies. Therefore, the technical scheme adopted by the present invention 1s as follows: A temporary support test device for erection of large-span box girder, which comprises a box girder bearing mechanism, a beam column die-filling mechanism and a beam frame slurry compaction mechanism, the box girder bearing mechanism comprises a bearing support plate that can pre-build a cement slurry platform, a plurality of groups of beam frame clamping pieces installed inside the bearing support plate, a fixing piece for realizing bearing capacity, a cross beam installed in the fixing piece to facilitate the suspension of the crane, a base installed at the bottom edge of the bearing support plate, and a sliding piece built in the base; a beam column die-filling mechanism comprises a guide vertical column which can be movably connected to the outside of the sliding piece; a beam frame slurry compaction mechanism comprises a material blocking support which can protect cement slurry, a knocking assembly located in the middle of the inner side of the material blocking support, and a top plate and a side plate which block cement slurry.
When in use, engineers need to set the radial width of the material blocking support according to the size of the box girder bridge, and movably connect the top plate and two side plates that can block the cement slurry outside the material blocking support, at the same time, install the beam frame clamping piece which can support the preformed reinforcement cage at the bottom of the two adjacent material blocking supports, so that the external molds of single-box and multi-box girder bridges can be effectively formed.
The present invention can be further configured as follows: the box girder bearing mechanism also comprises two positioning pieces connected in holes on both sides of the bottom of the bearing support plate, two groups of auxiliary limiting buckles located outside the two positioning pieces, and a protective shell installed directly below the rectangular groove holes in the middle of the ground of the bearing support plate.
BL-5507 ’ LU502156 The gear in the middle of the shaft is engaged with the chain, and the chain connected with the linkage tooth piece penetrates through the outer part of the protective shell, the external chain of the linkage tooth piece is used for adaptive transmission with the gear in the middle of the toothed bar, so that the mechanism can be subjected to overall ordered transmission.
The present invention can be further configured as follows: the beam column die- filling mechanism also comprises a rack plate installed on the guide vertical column, a vertical pipe mold built in the inner side of the guide vertical column, a shaft rod engaged on the inner side of the rack plate, and a linkage tooth piece engaged outside the middle gear of the shaft rod.
A rectangular sliding hole is set at the top of the guide vertical column, and the sliding piece is movably connected in the rectangular sliding hole at the top of the guide vertical column, at the same time, and combining with the rack plate installed on the guide vertical column for adaptive transmission, so that the mechanism can adjust the bottom of the box girder at a fixed point.
The present invention can be further configured as follows: the beam frame slurry compaction mechanism further comprises a limiting piece connected in the material blocking support, and an insertion block installed in the concave holes at both ends of the material blocking support.
By adopting the above technical scheme, the insertion blocks are inserted into the rectangular holes at the both ends of the material blocking support, and the limiting pieces that can limit the knocking assembly is installed in the material blocking support, so that the mechanism can be safely transmitted.
The present invention can be further configured as follows: the knocking assembly comprises a toothed bar connected in a concave hole in the inner side of the limiting piece, a gear installed in the middle of the toothed bar, and a polygonal hammer head uniformly connected to the outside of the toothed bar.
BL-5507 LU502156 À plurality of groups of polygonal hammer heads are uniformly installed outside the toothed bar, and hammer chain distributed in an annular manner is connected in the polygonal hammer head; and when the toothed bar rotates rapidly, the hammer chain can uniformly knock the inner side of the side plate.
The present invention can be further configured as follows: the rectangular concave holes built in the positioning piece and the auxiliary limit buckle are adapted and engaged outside the two adjacent rack plates, and both sides of the outer part of the positioning piece are provided with holes adapted to the outer ends of the shaft rods.
The positioning piece and the two auxiliary limiting buckles which can limit transmission of two adjacent rack plates are installed in the holes on the both sides of the bottom of the bearing support plate, so that the transmission mechanism of the device can be safely transmitted.
The present invention can be further configured as follows: beam frame clamping piece is welded by a vertical nut and a Y-shaped support frame, and the Y-shaped support frame is adapted and fixed with the preformed reinforcement cage.
A plurality of groups of beam frame clamping pieces which can support the reinforcement cage are predetermined in the bearing support plate, and the Y-shaped supporting frame which are convenient to cut are welded in the beam frame clamping piece, so that the box girder bridge after pouring cement slurry and molding can be quickly separated from the beam frame clamping piece.
The present invention can be further configured as follows: the cross beam is composed of a bearing cross rod, an L-shaped insertion rod and a fixing screw rod, and a sliding buckle for suspending the steel wire rope is installed on the protruding bracket at the outer end of the bearing cross rod.
The cross beam which can be suspended by an external crane is arranged at the bottom of the bearing support plate, and the L-shaped insertion rod and the fixing nut in the cross beam are used for effectively supporting the lifting rope of the external crane, so that the whole box girder bearing mechanism can be effectively lifted.
BL-5507 ) LU502156 The present invention can be further configured as follows: the top end of the rack plate is provided with a rectangular slideway adapted to the sliding piece, and the sliding piece is a vertical rectangular frame welded by a hollow steel frame.
The sliding piece is installed inside the base, and the sliding piece is used to adapt to the activity of the guide vertical column, so that the guide vertical column can move effectively in the horizontal state.
The present invention can be further configured as follows: a plurality of T-shaped sliding chutes are arranged outside of the material blocking support, and the T-shaped sliding chutes outside the material blocking support can be adapted to transverse sliding blocks inside the top plate and the side plate.
The top plate and the two side plates are movably installed in the sliding chute outside the material blocking support, combined with the rapid splicing of the top plate and side plate outside the material blocking support, which can make it convenient for engineers to quickly construct the box girder bridge mold.
Beneficial effect
1. As the box girder type bridge needs to be covered with a large number of timber templates to cover the bundled steel bars before pouring, in order to facilitate the detection of local box girder buildings by engineers after molding, therefore, by arranging the material blocking support which can cover the preformed reinforcement cage, the top plate and side plate which can protect the cement slurry are movably connected outside the material blocking support, and a plurality of groups of beam frame clamping pieces supporting the preformed reinforcement cage are connected at the bottom of the two material blocking supports, when the preformed reinforcement cage is integrally fixed by the a plurality of groups of beam frame clamping pieces, the engineers can perform cement pouring on the preformed reinforcement cage at this time, so that the mechanism is convenient for engineers to quickly pour and mold the box girder type bridge, so as to avoid labor waste caused by the use of a large number of wood formwork at present and the labor time and labor consumption during mold construction.
BL-5507 LU502156
2. As the box girder bridge 1s in initial construction, a plurality of bearing columns need to be installed at the bottom of the box girder bridge, in order to adjust and control the movement of a plurality of bearing columns at the specified position at the bottom of the box girder bridge, the base and the sliding piece are respectively installed at the edge ofthe bottom of the above bearing support plate, and the fixing piece and the cross beam which can be conveniently suspended by an external crane are installed at the bottom of the bearing support plate, and a plurality of guide vertical columns which can horizontally traverse are movably installed outside the sliding part, and the rack plate on the guide vertical column is used to control the overall horizontal transverse movement of the guide vertical column, so that the structure can facilitate the engineers to pre-adjust the bearing column at the bottom of the box girder bridge, and then greatly improve the effective lifting of the box girder bridge and the fixed-point transverse movement adjustment of the bearing column.
3. As the above mechanism pours cement slurry outside the preformed reinforcement cage, in order to improve the effective discharge of bubbles in the poured cement slurry and the enrichment of cement slurry, the shaft rod is movably connected at the inner side of the two adjacent toothed plates, and the external chain is used to movably connect the linkage tooth piece and the gear located in the middle of the knocking assembly at the inner side of the material blocking support. At the same time, a polygonal hammer head which can rotationally knock the two side plates is installed in the gear, and the two ends of the toothed bar are provided with cross insertion rods, when in use, in order to facilitate the continuous construction of subsequent box girder bridges by engineers, so that the transmission mechanism in each assembly can quickly discharge the bubbles in the poured cement slurry.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic diagram of an embodiment; Fig. 2 1s a side bottom view of an embodiment;
BL-5507 LU502156 Fig. 3 1s a dispersion diagram of Fig. 1; Fig. 4 is a partial dispersion diagram of Fig. 3; Fig. 5 is a partial schematic diagram of Fig. 4; Fig. 6 is a partial bottom view of Fig. 3; Fig. 7 is a dispersion diagram and its partial cross-sectional view of Fig. 6; Fig. 8 1s a dispersion diagram of Fig. 3. Description of figures: 100, box girder bearing mechanism; 110, bearing support plate; 120, base; 130, beam frame clamping piece; 140, fixing piece; 150, cross beam; 160, positioning piece; 170, auxiliary limiting buckle; 180, sliding piece; 190, protective shell; 200, beam column die-filling mechanism; 210, guide vertical column; 220, rack plate; 230, vertical pipe mold; 240, shaft rod; 250, linkage tooth piece; 300, beam frame slurry compaction mechanism; 310, material blocking support; 320, limiting piece; 330, knocking assembly; 331, toothed bar; 332, gear; 333, polygonal hammer head; 340, insertion block; 350, top plate; 360, side plate.
DETAILED DESCRIPTION OF THE EMBODIMENTS The temporary support test device for erection of the large-span box girder provided by some embodiments of the present invention is described below with reference to the attached drawings.
Example 1 As shown in Fig. 1, 4, 5, 6, 7 and 8, the present invention provides a temporary support test device for erection of the large-span box girder, which comprises a box girder bearing mechanism 100, a beam column die-filling mechanism 200 and a beam frame slurry drum compaction mechanism 300, and the beam column die-filling mechanism 200 is connected to the box girder bearing mechanism 100, in addition, the beam frame slurry drum compaction mechanism 300 is installed on the box girder bearing mechanism 100.
BL-5507 LU502156 The box girder bearing mechanism 100 comprises a weight bearing support plate 110, a base 120, a beam frame clamping piece 130, a fixing piece 140, a cross beam 150, a positioning piece 160, an auxiliary limiting buckle 170, a sliding piece 180, and a protective shell 190, the beam column die-filling mechanism 200 comprises a guide vertical column 210, a rack plate 220, a vertical pipe mold 230, a shaft rod 240, and a linkage tooth piece 250, the beam frame slurry compaction mechanism 300 comprises a material blocking support 310, a limiting piece 320, a knocking assembly 330, an insertion block 340, a top plate 350, and a side plate 360, and the knocking assembly 330 also comprises a toothed bar 331, a gear 332, and a polygonal hammer head 333.
Specifically, setting the radial width of the material blocking support 310 according to the size of the box girder bridge, and movably connect the top plate 350 and two side plates 360 which can block the cement slurry outside the material blocking support 310, at the same time, install the beam frame clamping piece 130 which can support the preformed reinforcement cage at the bottom of the two adjacent material blocking supports 310, the box girder bearing mechanism 100 comprises a bearing support plate 110 which can pre-build a cement slurry platform, a plurality of groups of beam frame clamping pieces 130 installed inside the bearing support plate 110, a fixing piece 140 for realizing bearing capacity, a cross beam 150 installed in the fixing piece 140 to facilitate the suspension of the crane, a base 120 installed at the bottom edge of the bearing support plate 110, and a sliding piece 180 built in the base 120, the beam column die-filling mechanism 200 comprises a guide vertical column 210 movably connected to the outside ofthe sliding piece 180, and the beam frame slurry compaction mechanism 300 comprises a material blocking support 310 which can protect cement slurry, a knocking assembly 330 located in the middle of the inner side of the material blocking support 310, and a top plate 350 and a side plate 360 which block cement slurry.
BL-5507 LU502156 Example 2 As shown in Fig. 7 and Fig. 8, on the basis of Example 1, the chain connected with the linkage tooth piece 250 penetrates through the outer part of the protective shell 190, and the external chain of the linkage tooth piece 250 is used for adaptive transmission with the gear 332 in the middle of the toothed bar 331, so that the mechanism can be subjected to overall ordered transmission, and the positioning piece 160 and the two auxiliary limiting buckles 170 which can limit transmission of two adjacent rack plates 220 are installed in the holes on the both sides of the bottom of the bearing support plate 110, so that the transmission mechanism of the device can be safely transmitted, a plurality of groups of beam frame clamping pieces 130 which can support the reinforcement cage are predetermined in the bearing support plate 110, and the Y-shaped supporting frame which are convenient to cut are welded in the beam frame clamping piece 130, so that the box girder bridge after pouring cement slurry and molding can be quickly separated from the beam frame clamping piece 130, the cross beam 150 which can be suspended by an external crane is arranged at the bottom of the bearing support plate 110, and the L-shaped insertion rod and the fixing nut in the cross beam 150 are used for effectively supporting the lifting rope of the external crane, so that the whole box girder bearing mechanism 100 can be effectively lifted, and the box girder bearing mechanism 100 also comprises two positioning pieces 160 connected in holes on both sides of the bottom of the bearing support plate 110, two groups of auxiliary limiting buckles 170 located outside the two positioning pieces 160, and a protective shell 190 installed directly below the rectangular groove holes in the middle of the ground of the bearing support plate 110 , the rectangular concave holes built in the positioning piece 160 and the auxiliary limit buckle 170 are adapted and engaged outside the two adjacent rack plates 220, and both sides of the outer part of the positioning piece 160 are provided with holes adapted to the outer ends of the shaft rods 240, the beam frame clamping piece 130 is welded by a vertical nut and a Y-shaped supporting frame; the Y-shaped supporting frame is matched and fixed with the preformed reinforcement cage; the cross beam 150
BL-5507 LU502156 is composed of a bearing cross rod, an L-shaped insertion rod and a fixing screw rod, and a sliding buckle for suspending the steel wire rope is installed on the protruding bracket at the outer end of the bearing cross rod. Example 3 As shown in Fig. 1 and 8, on the basis of the Example 1, the sliding piece 180 is movably connected in the rectangular sliding hole on top of the guide vertical column 210, at the same time, and combining with the rack plate 220 installed on the guide vertical column 210 for adaptive transmission, so that the mechanism can adjust the bottom of the box girder at a fixed point, the sliding piece is installed inside the base, and the sliding piece 180 is used to adapt to the activity of the guide vertical column 210, so that the guide vertical column 210 can move effectively in the horizontal state, the beam column die-filling mechanism 200 also comprises also comprises a rack plate 220 installed on the guide vertical column 210, a vertical pipe mold 230 built in the inner side of the guide vertical column 210, a shaft rod 240 engaged on the inner side of the rack plate 220, and a linkage tooth piece 250 engaged outside the middle gear of the shaft rod 240, the top end of the rack plate 220 is provided with a rectangular slideway adapted to the sliding piece 180, and the sliding piece 180 is a vertical rectangular frame welded by a hollow steel frame.
Example 4 As shown in Fig. 4 and Fig. 5, in the above embodiment, the mechanism can be safely driven by installing the limiting piece 320 in the material blocking support 310, a plurality of groups of polygonal hammer heads 333 are uniformly installed outside the toothed bar 331, and hammer chain distributed in an annular manner is connected in the polygonal hammer head 333; and when the toothed bar 331 rotates rapidly, the hammer chain can uniformly knock the inner side of the side plate 360, and the top plate 350 and the two side plates 360 are movably installed in the sliding chute outside the material
BL-5507 LU502156 blocking support 310, combined with the rapid splicing of the top plate 350 and side plate 360 outside the material blocking support 310, which can make it convenient for engineers to quickly construct the box girder bridge mold. The beam frame slurry compaction mechanism 300 also comprises a limiting piece 320 connected in the material blocking support 310, and an insertion block 340 installed in the concave holes at both ends of the material blocking support 310, the knocking assembly 330 comprises a toothed bar 331 connected in a concave hole in the inner side of the limiting piece 320, a gear 332 installed in the middle of the toothed bar 331, and a polygonal hammer head uniformly connected to the outside of the toothed bar 331, a plurality of T-shaped sliding chutes are arranged outside the material blocking support 310, and the T-shaped sliding chutes outside the material blocking support 310 can be adapted to transverse sliding blocks inside the top plate 350 and the side plate 360.
The working principle and the application process of the invention are as follows: Before use: the engineers need to use a large number of timber templates to perform prefabrication on the reinforcement cage during construction, according to the requirements of single box girder and multi-box girder bridge, engineers need to customize a plurality of groups of beam frame clamping pieces 130 that can support the reinforcement cage in the bearing support plate 110, and then predetermine the height of two blocking supports 310 according to the height of the cement slurry bridge; Pre-use: according to the detection requirements of the prefabricated box girder bridge, the top plate 350 and two side plates 360 which can block and prevent cement slurry from leaking are movably inserted into the chutes outside the two blocking supports 310, then the toothed bar 331 is installed according to the detection length of the box girder bridge, and a plurality of polygonal hammer heads 333 are uniformly installed outside the toothed bar 331, and then the toothed bar 331 is movably connected in the concave hole in the middle of the two limiting pieces 320, according to the requirement of the length of the bridge, the cross shaped inserting rod is inserted at the outer end of the toothed rod 331, at the same time, a load-bearing fixing piece 140 and a cross beam
BL-5507 LU502156 150 are installed at the bottom of the bearing support plate 110, and the cross beam 150 is suspended by an external crane, and then engineers need to use an external transmission mechanism to drive the toothed bar 331, and sequentially drive the a plurality of groups of polygonal hammer heads 333, the linkage tooth piece 250 and the shaft rod 240 to perform synchronous transmission;
When in use, the engineers need to drive the two adjacent rack plates 220 to horizontally move outwards by the transmission of the shaft rod 240; during use, engineers need to place the preformed pipe vertical mold 230 on the inner side of the guide vertical column 210, and control the outward lateral movement of the two adjacent guide columns 210 according to the transmission of shaft rod 240, in this way, the pipe vertical mold 230 located on the inner side of the guide column 210 can be effectively adapted and adjusted at the bottom of the box girder bridge.
Claims (10)
1. A temporary support test device for erection of the large-span box girder, characterized by comprising: a box girder bearing mechanism (100) comprises a bearing support plate (110) which can pre-build a cement slurry platform, a plurality of groups of beam frame clamping pieces (130) installed inside the bearing support plate (110), a fixing piece (140) for realizing bearing capacity, a cross beam (150) installed in the fixing piece (140) to facilitate the suspension of the crane, a base (120) installed at the bottom edge of the bearing support plate (110), and a sliding piece (180) built in the base (120); a beam column die-filling mechanism (200) comprises a guide vertical column (210) movably connected to the outside of the sliding piece (180); a beam frame slurry compaction mechanism (300) comprises a material blocking support (310) which can protect cement slurry, a knocking assembly (330) located in the middle of the inner side of the material blocking support (310), and a top plate (350) and a side plate (360) which block cement slurry.
2. The temporary support test device for erection of the large-span box girder according to claim 1, characterized in that the box girder bearing mechanism (100) also comprises two positioning pieces (160) connected in holes on both sides of the bottom of the bearing support plate (110), two groups of auxiliary limiting buckles (170) located outside the two positioning pieces (160), and a protective shell (190) installed directly below the rectangular groove holes in the middle of the ground of the bearing support plate (110).
3. The temporary support test device for erection of the large-span box girder according to claim 1, characterized in that the beam column die-filling mechanism (200) also comprises a rack plate (220) installed on the guide vertical column (210), a vertical
BL-5507 LU502156 pipe mold (230) built in the inner side of the guide vertical column (210), a shaft rod (240) engaged on the inner side of the rack plate (220), and a linkage tooth piece (250) engaged outside the middle gear of the shaft rod (240).
4. The temporary support test device for erection of the large-span box girder according to claim 1, characterized in that the beam frame slurry compaction mechanism (300) also comprises a limiting piece (320) connected in the material blocking support (310), and an insertion block (340) installed in the concave holes at both ends of the material blocking support (310).
5. The temporary support test device for erection of the large-span box girder according to claim 1, characterized in that the knocking assembly (330) comprises a toothed bar (331) connected in a concave hole in the inner side of the limiting piece (320), a gear (332) installed in the middle of the toothed bar (331), and a polygonal hammer head (333) uniformly connected to the outside of the toothed bar (331).
6. The temporary support test device for erection of the large-span box girder according to claim 1, characterized in that the rectangular concave holes built in the positioning piece (160) and the auxiliary limit buckle (170) are adapted and engaged outside the two adjacent rack plates (220), and both sides of the outer part of the positioning piece (160) are provided with holes adapted to the outer ends of the shaft rods (240).
7. The temporary support test device for erection of the large-span box girder according to claim 1, characterized in that the beam frame clamping piece (130) is welded by a vertical nut and a Y-shaped supporting frame, and the Y-shaped supporting frame is adapted and fixed with the preformed reinforcement cage.
BL-5507 LU502156
8. The temporary support test device for erection of the large-span box girder according to claim 1, characterized in that the cross beam (150) is composed of a bearing cross rod, an L-shaped insertion rod and a fixing screw rod, and a sliding buckle for suspending the steel wire rope 1s installed on the protruding bracket at the outer end of the bearing cross rod.
9. The temporary support test device for erection of the large-span box girder according to claim 3, characterized in that the top end of the rack plate (220) 1s provided with a rectangular slideway adapted to the sliding piece (180), and the sliding piece (180) 1s a vertical rectangular frame welded by a hollow steel frame.
10. The temporary support test device for erection of the large-span box girder according to claim 3, characterized in that a plurality of T-shaped sliding chutes are arranged outside of the material blocking support (310), and the T-shaped sliding chutes outside the material blocking support (310) can be adapted to transverse sliding blocks inside the top plate (350) and the side plate (360).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111449030.7A CN114414354A (en) | 2021-12-01 | 2021-12-01 | Temporary support test device for large-span box girder erection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU502156B1 true LU502156B1 (en) | 2022-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU502156A LU502156B1 (en) | 2021-12-01 | 2022-05-24 | Temporary support test device for erection of large-span box girder |
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| Country | Link |
|---|---|
| CN (1) | CN114414354A (en) |
| LU (1) | LU502156B1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686239B (en) * | 2024-01-31 | 2024-04-19 | 江苏智能无人装备产业创新中心有限公司 | Electric vehicle energy dissipation testing arrangement |
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2021
- 2021-12-01 CN CN202111449030.7A patent/CN114414354A/en active Pending
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- 2022-05-24 LU LU502156A patent/LU502156B1/en active IP Right Grant
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| CN114414354A (en) | 2022-04-29 |
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| FG | Patent granted |
Effective date: 20221124 |