CN217460278U - Anti-overturning device with anti-collision wall for integrated installation of prefabricated side box girder - Google Patents
Anti-overturning device with anti-collision wall for integrated installation of prefabricated side box girder Download PDFInfo
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- CN217460278U CN217460278U CN202123269603.6U CN202123269603U CN217460278U CN 217460278 U CN217460278 U CN 217460278U CN 202123269603 U CN202123269603 U CN 202123269603U CN 217460278 U CN217460278 U CN 217460278U
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Abstract
The utility model provides an anti-overturning device used in the integral installation of a prefabricated side box girder with an anti-collision wall, which mainly comprises a pull rod system and a section steel combined support, wherein the section steel combined support is mainly formed by four longitudinal H-shaped steel components, four transverse connection section steel components and four vertical connection section steel components which are connected through bolts, the section steel combined support is directly and symmetrically sleeved on a pier capping beam, the section steel combined support is closely contacted and limited with the top surface and the side surface of the pier capping beam and the side surface of a pier upright post, the upper end of the pull rod system is respectively connected on the top plate of the side box girder through bolts, the lower end of the pull rod system is respectively connected with four corner bolts at the top of the steel combined support, the side box girder with the anti-collision wall is reversely pulled through the pull rod system and the section steel combined support, and the overturning moment generated by the dead weight of the side box girder structure in the installation is transmitted to the pier, thereby overcome the unstability risk that limit case roof beam structure produced because of the mass is eccentric, can prevent that limit case roof beam unstability from toppling.
Description
Technical Field
The utility model belongs to the technical field of the construction, in particular to antidumping device when integrative installation of prefabricated limit case roof beam with anticollision wall.
Background
After the side box girder is prefabricated in the prefabrication field, the side box girder is prefabricated with the anti-collision wall on the side box girder in the prefabrication field, the side box girder is prefabricated during installation, and the side box girder is integrally installed in a hoisting mode on the site. In the field installation stage, no matter a simple support structure or a simple support-to-continuous structure is adopted, before the construction of a cast-in-place wet joint between the side box beams is completed, the side box beams are independently supported on the pier supports, the side box beams with the anti-collision walls have larger mass eccentricity, and the dead weight of the structure can cause overturning moment, so that the prefabricated side box beams with the anti-collision walls in installation can generate unstable overturning, and measures are required to be taken to prevent the side box beams from overturning.
Therefore, how to provide an anti-overturning device capable of preventing the prefabricated side box girder from overturning in the integral installation process of the prefabricated side box girder becomes a technical problem that further improvement and optimization are needed in the building construction field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at inventing an antidumping device when the prefabricated limit case roof beam an organic whole installation with crashproof wall, solve the problem that limit case roof beam unstability topples in the prefabricated limit case roof beam an organic whole installation with crashproof wall.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides an antidumping device when integrative installation of prefabricated limit case roof beam with crashproof wall, includes four pull rod systems and a shaped steel sectional shelf-unit, and shaped steel sectional shelf-unit is a symmetrical structure, the direct symmetry of shaped steel sectional shelf-unit is installed on the pier bent cap, and the shaped steel sectional shelf-unit closely contacts spacingly with the top surface of pier bent cap, side and the side of pier stand, the pier bent cap supports via the pier stand, and bolted connection is on the roof of limit case roof beam respectively in the upper end of pull rod system, the lower extreme of pull rod system respectively with four corner bolted connection at the top of steel sectional bar shelf-unit.
Preferably, in the above anti-overturning device for integrally installing the prefabricated side box girder with the anti-collision wall, the section steel combination bracket includes two upper longitudinal H-shaped steels, two upper transverse connection section steels, two lower longitudinal H-shaped steels, two lower transverse connection section steels and four vertical connection section steels, the two upper longitudinal H-shaped steels and the two upper transverse connection section steels are bolted to form a horizontally arranged rectangular structure, the upper ends of the four vertical connection section steels are respectively bolted to the end parts of the two upper longitudinal H-shaped steels, the lower ends of the four vertical connection section steels are respectively bolted to the end parts of the two lower longitudinal H-shaped steels, and the two lower transverse connection section steels and the two lower longitudinal H-shaped steels are bolted to form another horizontally arranged rectangular structure.
Preferably, in the anti-overturning device for integrally installing the precast side box girder with the anti-collision wall, a first shackle connecting steel plate is vertically arranged at the horizontal projection position of the upper longitudinal H-shaped steel plate corresponding to the pull rod system, and a shackle insertion hole is reserved in the first shackle connecting steel plate.
Preferably, in the anti-overturning device for integrally installing the prefabricated side box girder with the anti-collision wall, the top plates at two ends of the upper longitudinal H-shaped steel are respectively provided with a first steel plate which is vertically arranged, the first steel plate is provided with bolt holes for connecting with the upper transverse connection type steel bolts, and the first steel plate is reinforced by the first stiffening plate.
Preferably, in the anti-overturning device for integrally installing the prefabricated side box girder with the anti-collision wall, two end faces of the upper transverse connection section steel and the lower transverse connection section steel are respectively provided with a second steel plate, the second steel plates are respectively perpendicular to the upper transverse connection section steel or the lower transverse connection section steel, the second steel plates are reinforced by a plurality of second vertical stiffening plates, and the second steel plates are provided with bolt holes for being in bolt connection with the upper longitudinal H-shaped steel or the lower longitudinal H-shaped steel.
Preferably, among the foretell prefabricated limit case roof beam body installation antidumping device of having crashproof wall, the pull rod system includes the pull rod, breaks out, the steel backing plate and two nuts, the lower extreme of pull rod sets up a second and breaks out the connecting steel plate, the second is broken out and is reserved a break out patchhole on the connecting steel plate, breaks out the connecting steel plate through two and is connected with the first connecting steel plate that breaks out on the vertical H shaped steel in upper portion with the second on the pull rod, predetermine the preformed hole that supplies the pull rod to pass through during the prefabricated production of limit case roof beam, the upper end of pull rod passes through behind preformed hole and the steel backing plate on the limit case roof beam in proper order and exceeds limit case roof surface take the altitude, and the top of pull rod sets up the screw thread, through screwing up two nuts with the pull rod upper end be fixed in on the limit case roof beam roof.
Preferably, in the anti-overturning device for integrally installing the precast side box girder with the anti-collision wall, a third steel plate is arranged on the side surface of the top of each of two ends of the lower longitudinal H-shaped steel, bolt holes for bolt connection of the lower transverse connection-type steel are formed in the third steel plate, and the third steel plate is reinforced by a third reinforcing plate.
Preferably, in the anti-overturning device for integrally installing the precast side box girder with the anti-collision wall, the two end faces of the vertical connection section steel are respectively provided with a fourth steel plate, the fourth steel plate is respectively provided with a bolt hole for being in bolt connection with the upper longitudinal H-shaped steel or the lower longitudinal H-shaped steel, and the fourth steel plate is reinforced by a fourth stiffening plate. Known by the above disclosed technical scheme, compare with prior art, the beneficial effect of the utility model is as follows:
the utility model provides a pair of antidumping device when integrative installation of prefabricated limit case roof beam with crashproof wall has antidumping device when integrative installation of prefabricated limit case roof beam of crashproof wall adopts four pull rod systems and a shaped steel sectional shelf-unit, and shaped steel sectional shelf-unit is a symmetrical structure. The direct symmetry of shaped steel sectional shelf-unit is installed on the pier bent cap, and shaped steel sectional shelf-unit and the top surface of pier bent cap, side and the side of pier stand intimate contact are spacing, the pier bent cap supports via the pier stand, and the upper end of pull rod system is fixed on the roof of limit case roof beam with the limit case roof beam bolted connection that corresponds respectively, and the lower extreme of pull rod system is connected with four angle portion bolted connection at the top of steel sectional shelf-unit respectively. The utility model discloses a pull rod system and shaped steel sectional shelf-unit reverse pull take the limit case roof beam of anticollision wall, will take the weight transmission of the limit case roof beam of anticollision wall to the pier bent cap of pier on through pull rod system and shaped steel sectional support to overcome the unstability risk of taking the limit case roof beam of anticollision wall to overturn because of the eccentric production of quality, can prevent the limit case roof beam unstability of taking the anticollision wall.
Drawings
Fig. 1 is a schematic elevation view of an anti-overturning device for integrally mounting a prefabricated side box girder with an anti-collision wall.
Fig. 2 is a schematic plan view of an anti-overturning device for integrally mounting a prefabricated side box girder with an anti-collision wall.
Fig. 3 is a using state diagram of the anti-overturning device when the precast side box girder with the anti-collision wall is integrally installed.
FIG. 4 is a schematic structural diagram of a steel sectional composite bracket.
Fig. 5 is an elevation view of the use method of the anti-overturning device in the integrated installation of the prefabricated side box girder with the anti-collision wall in step 1.
Fig. 6 is a plan view of the using method of the anti-overturning device in the integral installation of the prefabricated side box girder with the anti-collision wall in step 1.
Fig. 7 is an elevation view of the use method of the anti-overturning device in the integral installation of the prefabricated side box girder with the anti-collision wall in step 2.
Fig. 8 is a plan view of the use method of the anti-overturning device in step 2 when the precast side box girder with the anti-collision wall is integrally installed.
Fig. 9 is an elevation view of the use method of the anti-overturning device in the integrated installation of the prefabricated side box girder with the anti-collision wall in step 3.
Fig. 10 is a plan view of a using method of the anti-overturning device when the precast side box girder with the anti-collision wall is integrally installed, in step 3.
Fig. 11 is an elevation view of the use method of the anti-overturning device in the integrated installation of the prefabricated side box girder with the anti-collision wall in step 4.
Fig. 12 is a plan view of the use method of the anti-overturning device in the integrated installation of the precast side box girder with the impact wall in step 4.
Fig. 13 is an elevation view of the use method of the anti-overturning device in the integrated installation of the prefabricated side box girder with the anti-collision wall in step 5.
Fig. 14 is a plan view of the use method of the anti-overturning device in the integral installation of the prefabricated side box girder with the anti-collision wall in step 5.
In the figure: the steel plate comprises a pull rod system 1, a pull rod 11, a pull rod 12, a shackle 13, a steel base plate 13, a double nut 14, a second shackle connecting steel plate 15, a section steel combined support 2, an upper longitudinal H-shaped steel 21, an upper transverse connection section steel 22, a lower longitudinal H-shaped steel 23, a lower transverse connection section steel 24, a vertical section steel 25, a first shackle connecting steel plate 26, a pier capping beam 3, a pier upright column 4, an anti-collision wall 5, a box girder 6, a stop 7, a support base stone 8, a permanent support 9, a temporary support 10, a wet joint 100, a first steel plate 201, a second steel plate 202, a third steel plate 203 and a fourth steel plate 204.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. The technical contents and features of the present invention will be described in detail below with reference to the accompanying drawings by way of examples. It should be further noted that the drawings are in simplified form and are not to precise scale, and are provided for the purpose of facilitating and clearly explaining the embodiments of the present invention. For convenience of description, the directions of "up" and "down" in the following description are the same as the directions of "up" and "down" in the drawings, but this should not be construed as limiting the technical solution of the present invention.
Referring to fig. 1 to 14, the embodiment discloses an anti-overturning device for integrally mounting a prefabricated side box girder with an anti-collision wall, which includes: four pull rod systems 1 and shaped steel sectional shelf 2, steel sectional shelf 2 is a symmetrical structure, and the direct symmetry of steel sectional shelf 2 is installed on the pier bent cap, and shaped steel sectional shelf 2 is spacing with the top surface of pier bent cap 3, the side and the side intimate contact of pier stand 4 pier bent cap 3 supports via pier stand 4, and bolted connection is on the roof of limit case roof beam 6 respectively in the upper end of pull rod system 1, and the lower extreme of pull rod system 1 is connected with four angle bolted connection at the top of steel sectional shelf 2 respectively.
The utility model provides a pair of antidumping device when prefabricated limit case roof beam an organic whole installation with crashproof wall adopts four pull rod system 1 and steel sectional shelf 2, and steel sectional shelf 2 is a symmetrical structure, and the direct symmetry of steel sectional shelf 2 is installed on the pier bent cap, and steel sectional shelf 2 and the top surface of pier bent cap 3 and the side close contact of pier bent cap 3 are spacing, pier bent cap 3 supports via pier stand 4, and the upper end of pull rod system 1 is fixed on the roof of limit case roof beam 6 with the limit case roof beam bolted connection that corresponds respectively, and the lower extreme of pull rod system 1 is connected with four angle portion bolted connection at the top of steel sectional shelf 2 respectively. The utility model discloses a pull rod system 1 holds the limit case roof beam 6 that has crashproof wall 5 with steel sectional shelf-unit 2 is reverse, and the moment of overturning that the limit case roof beam 6 dead weight that will have crashproof wall 5 arouses through pull rod system 1 and steel sectional shelf-unit 2 is transmitted to the pier and is born to overcome the unstability risk of overturning of the limit case roof beam 6 that has crashproof wall 5, can prevent to have the unstability of the limit case roof beam 6 that has crashproof wall 5 and overturn.
Preferably, in the above anti-overturning device for integrally installing the prefabricated side box girder with the anti-collision wall, the steel combined bracket 2 includes two upper longitudinal H-shaped steels 21, two upper transverse connection shaped steels 22, two lower longitudinal H-shaped steels 23, two lower transverse connection shaped steels 24 and four vertical connection shaped steels 25, the two upper longitudinal H-shaped steels 21 and the two upper transverse connection shaped steels 22 are bolted to form a horizontally arranged rectangular structure, the upper ends of the four vertical connection shaped steels 25 are respectively bolted to four corners of the rectangular structure, the lower ends of the four vertical connection shaped steels 25 are respectively bolted to the end portions of the two lower longitudinal H-shaped steels 23, and the two lower transverse connection shaped steels 24 and the two lower longitudinal H-shaped steels 23 are bolted to form another horizontally arranged rectangular structure. All parts forming the section steel combined support 2 can be processed and manufactured in a factory, and the parts can be connected and combined only through bolts on site, so that the installation is convenient. And adopt steel sectional shelf-unit 2, can prevent four roof beam side case roof beams from toppling simultaneously, not only practice thrift the cost, install convenient high-efficient, can improve the stability of antidumping moreover.
Preferably, in the above anti-overturning device for integrally installing the prefabricated side box girder with the anti-collision wall, a first shackle connecting steel plate 26 is vertically arranged at a horizontal projection position of the upper longitudinal H-shaped steel 21 corresponding to the pull rod system 1, and a shackle insertion hole is reserved in the first shackle connecting steel plate 26 and is used for connecting the steel combination bracket 2 and the pull rod system 1 through the shackle 12, so that the steel combination bracket 2 and the pull rod system 1 can be quickly and stably connected.
Preferably, in order to realize the quick and effective connection between the upper longitudinal H-shaped steel 21 and the upper transverse connection shaped steel 22, in the above anti-overturning device for integrally installing the prefabricated side box girder with the anti-collision wall, the top plates at the two ends of the upper longitudinal H-shaped steel 21 are respectively provided with a first steel plate 201, the first steel plates 201 are vertically arranged, the first steel plates 201 are provided with bolt holes for being connected with the upper transverse connection shaped steel through bolts, the first steel plates 201 are reinforced through first stiffening plates, and the thickness of the first steel plates is 10 mm.
Preferably, in order to realize the quick and effective connection between the upper longitudinal H-shaped steel 21 and the upper transverse connection-type steel 22 and the quick and effective connection between the lower longitudinal H-shaped steel 23 and the lower transverse connection-type steel 24, in the above-mentioned anti-overturning device for integrally installing the prefabricated side box beam with an anti-collision wall, two end faces of the upper transverse connection-type steel 22 and the lower transverse connection-type steel 24 are respectively provided with a second steel plate 202, the second steel plates 202 are respectively perpendicular to the upper transverse connection-type steel 22 or the lower transverse connection-type steel 24, the second steel plates 202 are reinforced by a plurality of second vertical stiffening plates, bolt holes for bolt connection with the upper longitudinal H-shaped steel 21 or the lower longitudinal H-shaped steel 23 are formed in the second steel plates 202, and the thickness of the steel plates of the second steel plates 202 is 10 mm.
Preferably, in order to realize the quick and effective connection between the lower transverse connection section steel 24 and the lower longitudinal H-shaped steel 23, in the above anti-overturning device for the integrated installation of the prefabricated side box beam with the anti-collision wall, the top side surfaces of the two ends of the lower longitudinal H-shaped steel 23 are respectively provided with a third steel plate 203, the third steel plate 203 is provided with bolt holes for bolt connection with the lower transverse connection section steel 24, and the third steel plate 203 is reinforced by a third stiffening plate.
Preferably, in order to realize the quick and effective connection between the vertical connection section steel 25 and the upper longitudinal H-shaped steel 21 or the lower longitudinal H-shaped steel 23, in the above anti-overturning device for integrally installing the prefabricated side box beam with the anti-collision wall, the two end faces of the vertical connection section steel 25 are respectively provided with the fourth steel plates 204, the fourth steel plates 204 are respectively provided with bolt holes for being connected with the upper longitudinal H-shaped steel 21 or the lower longitudinal H-shaped steel 23 by bolts, the fourth steel plates 204 are vertically arranged, and the fourth steel plates 204 are reinforced by the fourth reinforcing plates.
Preferably, among the aforesaid has prefabricated limit case roof beam anti-overturning device during integrative installation of crashproof wall, pull rod system 1 includes pull rod 11, shackle 12, steel tie plate 13 and two nuts 14, the lower extreme of pull rod 11 sets up a second and breaks out steel connecting plate 15, the second breaks out steel connecting plate 15 and is left a shackle patchhole, breaks out steel connecting plate 15 and the first steel connecting plate 26 that breaks out on the vertical H shaped steel 21 in upper portion through two shackles 12 and is connected second on the pull rod 11, predetermine the preformed hole that supplies pull rod 11 to pass through during the prefabricated production of limit case roof beam 6, the preformed hole and the steel tie plate 13 back on the limit case roof beam 6 of passing through in proper order of pull rod 11 exceed the top surface of limit case roof beam 6 by a take the altitude, the top of pull rod 11 sets up the screw thread, through screwing up two nuts 14 with the pull rod 11 upper end be fixed in on limit case roof beam 6. By adopting the pull rod system 1 with the structure, the side box girder 6 and the steel combined bracket 2 can be connected quickly and stably.
Referring to fig. 5 to 14, a method for using the anti-overturning device when the precast side box girder with the anti-collision wall is integrally installed in the embodiment includes the following steps:
and 5, finishing the construction of the cast-in-place wet joint 100 of the side box girder 6, enabling the adjacent side box girders 6 to form an integral structure, and when the concrete age is more than or equal to 7d, enabling the integral structure to be self-balanced, maintaining the flatness without an anti-overturning device, and removing the anti-overturning device, wherein the removing sequence is opposite to the mounting sequence.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (7)
1. The utility model provides an antidumping device when integrative installation of prefabricated limit case roof beam with crashproof wall, its characterized in that, including four pull rod systems and a shaped steel sectional shelf-unit, the shaped steel shelf-unit is a symmetrical structure, the direct symmetry of shaped steel sectional shelf-unit is installed on the pier bent cap, and the shaped steel shelf-unit is spacing with the top surface and the side of pier bent cap and the side of pier stand intimate contact, the pier bent cap supports via the pier stand, and bolted connection is on the roof of limit case roof respectively in the upper end of pull rod system, and the lower extreme of pull rod system is connected with four angle portion bolted connection at the top of steel shelf-unit respectively.
2. The integrated installation anti-overturning device for the prefabricated side box girder with the anti-collision wall as claimed in claim 1, wherein the section steel combined bracket comprises two upper longitudinal H-shaped steels, two upper horizontal connection section steels, two lower longitudinal H-shaped steels, two lower horizontal connection section steels and four vertical connection section steels, the two upper longitudinal H-shaped steels and the two upper horizontal connection section steels are bolted to form a horizontally arranged rectangular structure, the upper ends of the four vertical connection section steels are respectively bolted to the end parts of the two upper longitudinal H-shaped steels, the lower ends of the four vertical connection section steels are respectively bolted to the end parts of the two lower longitudinal H-shaped steels, and the two lower horizontal connection section steels and the two lower longitudinal H-shaped steels are bolted to form another horizontally arranged rectangular structure.
3. The anti-overturning device for integrally installing the precast side box girder with the anti-collision wall as claimed in claim 2, wherein a first shackle connecting steel plate is vertically arranged on a top plate of the upper longitudinal H-shaped steel corresponding to a horizontal projection of the pull rod system, and a shackle insertion hole is reserved in the first shackle connecting steel plate.
4. The integrated installation anti-overturning device for the precast side box girder with the anti-collision wall as claimed in claim 2, wherein a first steel plate is respectively arranged on the top plates at both ends of the upper longitudinal H-shaped steel, the first steel plate is vertically arranged, and the first steel plate is provided with bolt holes for bolt connection with the upper transverse connection shaped steel.
5. The apparatus for preventing an overturn during the integral installation of a precast side box girder with an impact wall as set forth in claim 2, wherein a second steel plate is provided on both end surfaces of the upper and lower horizontal linkage sections, respectively, the second steel plate being perpendicular to the upper or lower horizontal linkage sections, respectively, and bolt holes for bolt-coupling with the upper or lower longitudinal H-section are provided on the second steel plate.
6. The integrated installation anti-overturning device for the precast side box girder with the anti-collision wall as claimed in claim 2, wherein a third steel plate is provided on the top side of both ends of the lower longitudinal H-shaped steel, and the third steel plate is provided with bolt holes for bolt connection of the lower cross linking steel.
7. The anti-overturning device for integrally installing the precast side box girder with the anti-collision wall as claimed in claim 6, wherein the two end surfaces of the vertical connection section steel are respectively provided with a fourth steel plate, and the fourth steel plates are respectively provided with bolt holes for bolt connection with the upper longitudinal H-shaped steel or the lower longitudinal H-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123269603.6U CN217460278U (en) | 2021-12-23 | 2021-12-23 | Anti-overturning device with anti-collision wall for integrated installation of prefabricated side box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123269603.6U CN217460278U (en) | 2021-12-23 | 2021-12-23 | Anti-overturning device with anti-collision wall for integrated installation of prefabricated side box girder |
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| Publication Number | Publication Date |
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| CN217460278U true CN217460278U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123269603.6U Active CN217460278U (en) | 2021-12-23 | 2021-12-23 | Anti-overturning device with anti-collision wall for integrated installation of prefabricated side box girder |
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| CN (1) | CN217460278U (en) |
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2021
- 2021-12-23 CN CN202123269603.6U patent/CN217460278U/en active Active
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