CN217325025U - Ultra-wide box beam zero-number block falsework supporting device - Google Patents
Ultra-wide box beam zero-number block falsework supporting device Download PDFInfo
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- CN217325025U CN217325025U CN202220754150.1U CN202220754150U CN217325025U CN 217325025 U CN217325025 U CN 217325025U CN 202220754150 U CN202220754150 U CN 202220754150U CN 217325025 U CN217325025 U CN 217325025U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to the technical field of box girder construction, and discloses a zero number block falsework support device for an ultra-wide box girder, which comprises a plurality of vertical fixed pier studs, wherein the top of each vertical fixed pier stud is provided with a horizontal bearing platform, the horizontal bearing platform is provided with a plurality of vertical connecting studs, the left end and the right end of each vertical fixed pier stud are also provided with oblique connecting studs, the vertical connecting studs and the oblique connecting studs form inverted trapezoids, one end of each vertical connecting stud is inserted into the horizontal bearing platform, and the other end of each vertical connecting stud extends upwards and is inserted into the box girder and is fixedly connected with the box girder; the vertical connecting column and the oblique connecting column are provided with horizontal supporting frames, the horizontal supporting frames are provided with adjusting pieces, the adjusting pieces are further provided with templates matched with the box girder flange plates and the bottom plate in shape, and the heights of the adjusting pieces are adjusted to enable the templates to tightly support the bottom plate and the flange plates of the box girder. The slant spliced pole and the cooperation of vertical spliced pole accomplish the bearing to super wide case roof beam on narrower horizontal cushion cap, adjust the smooth conversion that can effectively keep the bearing and demolish work through the regulating part to the height of device, improved work efficiency.
Description
Technical Field
The utility model relates to a case roof beam construction technical field, concretely relates to super wide case roof beam zero number piece falsework strutting arrangement.
Background
In the erection of the prefabricated box girder and the T girder, a temporary support is firstly arranged on the pier top, and then the prefabricated box girder and the T girder are arranged on the temporary support. And after the processes of wet discussion, wet joint reaming, hogging moment tensioning, grouting and the like are finished, removing the temporary support to finish system conversion.
The utilization of the space under the bridge in bridge engineering is a popular design concept at present, the land utilization rate can be improved, the designed member has the characteristics of a large cantilever and a narrow pier column, and particularly great difficulty is brought to the construction in river-crossing sections. At present, a plurality of supporting structures are adopted as brackets and vertical pile steel pipe supports, and the problems exist that a vase pier column and a five-box-chamber beam with smaller size of a bearing platform are transversely provided with a box chamber overhanging river at the left and right sides respectively, the bracket is attached to the pier, so that the potential safety hazard of a 'heavy head and light feet' state is great, the supports can be arranged in water when a full-hall support method is adopted for construction, and the potential construction hazard can be caused by unstable silt; when the vertical pile steel pipe support is adopted, the horizontal bearing platform is limited to be too small, the cost for widening the horizontal bearing platform is too high, the temporary supporting requirement is not met, and the vertical pile steel pipe support is not economical and practical.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a super wide case roof beam zero number piece falsework strutting arrangement, solve in the bridge work progress, super wide case roof beam exceeds horizontal cushion cap when erectting, has the head heavy foot light, erects the problem that the shakiness has the potential safety hazard.
For solving the technical problem, the utility model discloses the technical scheme who adopts does: a zero-number block falsework supporting device for an ultra-wide box girder comprises a plurality of vertical fixed piers, wherein a horizontal bearing platform is arranged at the top of each vertical fixed pier, a plurality of vertical connecting columns are arranged on the horizontal bearing platform, oblique connecting columns are further arranged at the left end and the right end of each horizontal bearing platform, the vertical connecting columns and the oblique connecting columns form an inverted trapezoid, one end of each vertical connecting column is inserted into the corresponding horizontal bearing platform, and the other end of each vertical connecting column extends upwards to be inserted into the box girder and is fixedly connected with the box girder; the improved box girder comprises a vertical connecting column and an inclined connecting column, and is characterized in that horizontal supporting frames are arranged on the vertical connecting column and the inclined connecting column, adjusting pieces are arranged on the upper surfaces of the horizontal supporting frames, templates matched with the flange plates of the box girder and the bottom plate in shape are further arranged on the adjusting pieces, and the height of each adjusting piece is adjusted to enable the template to abut against the bottom plate and the flange plate of the box girder.
As a further technical scheme of the above scheme, the adjusting part comprises a horizontal threaded rod, trapezoidal pushing blocks are oppositely arranged on the horizontal threaded rod, the side surfaces of the trapezoidal pushing blocks extend upwards to form a vertical limiting plate, an inverted triangle bearing block is clamped in the vertical limiting plate, and the length direction of the inverted triangle bearing block is arranged along the direction of the horizontal threaded rod; the height of the inverted triangular bearing block is adjusted by screwing down a nut on a horizontal threaded rod positioned on the outer side of the trapezoidal propelling block.
As a further technical scheme of the scheme, stress monitoring devices are arranged on the vertical connecting column and the oblique connecting column.
As a further technical scheme of the scheme, a horizontal auxiliary fixing rod is arranged between the vertical connecting columns.
As a further technical scheme of the scheme, the vertical connecting columns are symmetrically provided with oblique supporting rods, and the other ends of the oblique supporting rods are connected to the horizontal supporting frame to form a triangular supporting structure.
Compared with the prior art, the utility model, following advantage and beneficial effect have: the utility model has the advantages that the inclined connecting column and the vertical connecting column are matched, the bearing of the ultra-wide box girder is completed on the narrow horizontal bearing platform, the bearing support needs to be built in water, certain risk is caused while the cost is high, the horizontal bearing platform needs to be lengthened, and the cost is increased; the smooth conversion of the bearing and dismantling work can be effectively kept by adjusting the height of the device through the adjusting piece; the stress monitoring device can timely detect the stress conditions of the vertical connecting column and the oblique connecting column, and timely adjust the stress conditions to prevent potential safety hazards; because the height of whole device is higher, provide the support on the horizontal direction through supplementary dead lever of level and diagonal bracing pole, keep the stability of device.
Drawings
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is a schematic perspective view of the adjusting member.
FIG. 3 is a schematic cross-sectional view AA.
Fig. 4 is a schematic side view of the present invention.
The explanation of each reference number in the figure is: vertically fixing the pier stud-1; a horizontal bearing platform-2; a vertical connecting column-3; an oblique connecting column-4; a horizontal support frame-5; an adjusting part-6; a horizontal threaded rod-7; a trapezoidal propelling block-8; a vertical limiting plate-9; an inverted triangle bearing block-10; stress monitoring means-11; a horizontal auxiliary fixing rod-12; an oblique support rod-13; template-14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so as to further understand the concept, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought by the technical solutions of the present invention.
As shown in fig. 1 to 4, the zero-number block falsework support device for the ultra-wide box girder comprises a plurality of vertical fixed piers 1, wherein a horizontal bearing platform 2 is arranged at the top of each vertical fixed pier 1, a plurality of vertical connecting columns 3 are arranged on each horizontal bearing platform 2, oblique connecting columns 4 are further arranged at the left end and the right end of each horizontal bearing platform, the vertical connecting columns 3 and the oblique connecting columns 4 form an inverted trapezoid, one end of each vertical connecting column is inserted into the corresponding horizontal bearing platform 2, and the other end of each vertical connecting column extends upwards and is inserted into the box girder and is fixedly connected with the box girder; be equipped with horizontal support frame 5 on vertical spliced pole 3 and the slant spliced pole 4, the upper surface of horizontal support frame 5 is equipped with regulating part 6, still be equipped with on the regulating part 6 with box girder flange board, the template 14 of bottom plate shape adaptation, the height messenger template 14 of adjustment regulating part 6 supports bottom plate and the flange board of tight box girder.
In the utility model, the supporting device is arranged on the zero number block of the box girder, the weight of the box girder is transmitted to the horizontal bearing platform 2 through the vertical connecting column 3 and the oblique connecting column 4, the box girder is obliquely supported through the oblique connecting column 4 under the condition of longer length, the vertical connecting column 3 and the oblique connecting column 4 are inverted trapezoids and completely cover the length of the box girder, the part of the box girder exceeding the horizontal bearing platform 2 is effectively protected under the condition of smaller horizontal bearing platform 2, and the construction risk is reduced; the vertical connecting column 3 is provided with a horizontal support frame 5, the horizontal support frame is used for bearing in the horizontal direction, the height of the box girder is adjusted by using an adjusting part 6, when the box girder is bearing, the adjusting part 6 is heightened to be supported between a template 14 and the horizontal support frame 5, and the template 14 is adapted to the shape of the bottom of the box girder to protect the box girder to a certain extent and avoid the box girder from being damaged due to overlarge pressure; when the supporting device needs to be dismantled, the height of the adjusting piece 6 is reduced, and the horizontal supporting frame 5 and other supporting devices below the adjusting piece are dismantled; through setting up the weight homodisperse of slant spliced pole 4 with super wide case roof beam on horizontal cushion cap 2, avoided the light condition of head-on-foot, reduced the probability that accident takes place, simultaneously through 6 height-adjusting of regulating part, control strutting arrangement and adjust and carry out the bearing to the case roof beam, accomplish easily after the bridge erects the completion and demolish through 6 regulation back of regulating part, improved work efficiency.
Particularly, the adjusting part 6 comprises a horizontal threaded rod 7, trapezoidal propelling blocks 8 which are oppositely arranged are arranged on the horizontal threaded rod 7, the side surfaces of the trapezoidal propelling blocks 8 extend upwards to form a vertical limiting plate 9, an inverted-triangle bearing block 10 is clamped in the vertical limiting plate 9, and the length direction of the inverted-triangle bearing block 10 is arranged along the direction of the horizontal threaded rod 7; the height of the inverted triangular bearing block 10 is adjusted by tightening a nut on the horizontal threaded rod 7 located outside the trapezoidal thrust block 8. Support trapezoidal propulsion piece 8 through screwing up the nut and remove to the centre, trapezoidal propulsion piece 8 can upwards jack-up, reaches height-adjusting's purpose, and it can be spacing to fall triangle bearing block 10 to set up vertical limiting plate 9 on trapezoidal propulsion piece 8 simultaneously, prevents that the trapezoidal upper portion that impels piece 8 of the roll-off of falling triangle bearing block 10 from causing the device unstability.
In particular, the vertical connecting column 3 and the oblique connecting column 4 are provided with stress monitoring devices 11. Set up stress monitoring device 11 and be in order to monitor the atress condition of vertical spliced pole 3 and slant spliced pole 4, if there is the uneven condition of atress can in time let the operation personnel know, in time make the adjustment to meet accident.
In particular, a horizontal auxiliary fixing rod 12 is arranged between the vertical connecting columns 3. Set up horizontal auxiliary fixing pole 12 on vertical connection post 3, vertical connection post 3 highly generally higher, can have unstable condition, set up horizontal auxiliary fixing pole 12 on the horizontal direction and can reinforcing apparatus, improve stability.
Particularly, the vertical connecting column 3 is symmetrically provided with inclined supporting rods 13, and the other ends of the inclined supporting rods 13 are connected to the horizontal supporting frame 5 to form a triangular supporting structure. Set up diagonal bracing pole 13 and play the fixed effect of auxiliary stay on vertical spliced pole 3, the triangle-shaped structure is also more firm.
The principle of the utility model is that: the utility model arranges the horizontal bearing platform 2 above the vertical fixed pier stud 1, arranges a stress platform on the river channel, disperses the dead weight of the box girder to each connecting post through the vertical connecting post 3 and the oblique connecting post 4, and then carries out bearing by the horizontal bearing platform 2, thus realizing the purpose of carrying out bearing when the box girder is wider and the horizontal bearing platform 2 is shorter; through setting up horizontal stand 5, set up regulating part 6 between horizontal stand 5 and case roof beam, adjust high supporting the case roof beam through changing regulating part 6, reduce the height of regulating part 6 and remove after accomplishing the bridge erection.
The utility model discloses "connect", "fixed" that appear in the description can be fixed connection, machine-shaping, welding, also can mechanical connection, and particular case understands that above-mentioned term is in the utility model provides a concrete meaning.
In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc., are used, and their designated orientations or positional relationships are only for convenience of description and simplicity of description, but do not indicate or imply that the designated device or element must have a particular orientation, and therefore should not be construed as limiting the present invention.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides an ultra-wide case roof beam zero number piece falsework strutting arrangement which characterized in that: the box girder comprises a plurality of vertical fixed piers (1), wherein a horizontal bearing platform (2) is arranged at the top of each vertical fixed pier (1), a plurality of vertical connecting columns (3) are arranged on each horizontal bearing platform (2), inclined connecting columns (4) are arranged at the left end and the right end of each horizontal bearing platform (2), the vertical connecting columns (3) and the inclined connecting columns (4) form an inverted trapezoid, one end of each vertical connecting column is inserted into the corresponding horizontal bearing platform (2), and the other end of each vertical connecting column extends upwards to be inserted into a box girder and is fixedly connected with the box girder; be equipped with horizontal support frame (5) on vertical spliced pole (3) and slant spliced pole (4), the upper surface of horizontal support frame (5) is equipped with regulating part (6), still be equipped with on regulating part (6) with template (14) of case roof beam flange board, bottom plate shape adaptation, the highly messenger template (14) of adjustment regulating part (6) support tight bottom plate and the flange board of case roof beam.
2. The ultra-wide box beam zero-gauge block falsework support device of claim 1, wherein: the adjusting part (6) comprises a horizontal threaded rod (7), trapezoidal propelling blocks (8) which are oppositely arranged are arranged on the horizontal threaded rod (7), the side faces of the trapezoidal propelling blocks (8) extend upwards to form a vertical limiting plate (9), inverted triangular bearing blocks (10) are clamped in the vertical limiting plate (9), and the length direction of the inverted triangular bearing blocks (10) is arranged along the direction of the horizontal threaded rod (7); the height of the inverted triangle bearing block (10) is adjusted by screwing down the nut on the horizontal threaded rod (7) positioned outside the trapezoidal propelling block (8).
3. The ultra-wide box beam zero-gauge block falsework support device of claim 1, wherein: and stress monitoring devices (11) are arranged on the vertical connecting column (3) and the oblique connecting column (4).
4. The ultra-wide box beam zero-gauge block falsework support device of claim 1, wherein: and a horizontal auxiliary fixing rod (12) is arranged between the vertical connecting columns (3).
5. The ultra-wide box beam zero-gauge block falsework support device of claim 1, wherein: the vertical connecting column (3) is symmetrically provided with oblique supporting rods (13), and the other ends of the oblique supporting rods (13) are connected to the horizontal supporting frame (5) to form a triangular supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754150.1U CN217325025U (en) | 2022-03-31 | 2022-03-31 | Ultra-wide box beam zero-number block falsework supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754150.1U CN217325025U (en) | 2022-03-31 | 2022-03-31 | Ultra-wide box beam zero-number block falsework supporting device |
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| Publication Number | Publication Date |
|---|---|
| CN217325025U true CN217325025U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220754150.1U Active CN217325025U (en) | 2022-03-31 | 2022-03-31 | Ultra-wide box beam zero-number block falsework supporting device |
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| Country | Link |
|---|---|
| CN (1) | CN217325025U (en) |
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2022
- 2022-03-31 CN CN202220754150.1U patent/CN217325025U/en active Active
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