CN211395376U - Auxiliary positioning device for mounting arch rib of arch bridge with extra-large steel box girder - Google Patents
Auxiliary positioning device for mounting arch rib of arch bridge with extra-large steel box girder Download PDFInfo
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- CN211395376U CN211395376U CN201921652285.1U CN201921652285U CN211395376U CN 211395376 U CN211395376 U CN 211395376U CN 201921652285 U CN201921652285 U CN 201921652285U CN 211395376 U CN211395376 U CN 211395376U
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- girders
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Abstract
The utility model provides a be used for extra-large steel box girder arched bridge arch rib installation assistance-localization real-time device, include: the supporting frame is arranged along the horizontal direction, a groove with an inverted trapezoidal structure is arranged on the upper side face of the supporting frame, and arch rib components are placed in the groove. Through the recess that sets up the inverted trapezoid structure in the side on the support frame to place the arch rib component, can guarantee that steel box girder bridge arch rib segment mounted position is accurate, not only the installation rate has obtained the promotion, and both sides stop device can guarantee in certain extent that the arch rib is stable simultaneously, reduces the arch rib displacement by external factor influence, the construction safety nature of guaranteeing simultaneously.
Description
Technical Field
The utility model relates to a technical field is set up to steel arched bridge roof beam particularly, relates to a be used for especially big steel box girder arched bridge arch rib installation assistance-localization real-time device.
Background
At present, because the arch rib line type of the single-span super-large steel box girder arch bridge is complex, a single arch rib is gradually changed into two independent arch rib structures upwards, the arch rib structure is changed at a second section, an octagonal arch rib is gradually changed into two six-deformation arch ribs, the installation line type, the axis and the space position of the arch rib are difficult to position, the high-altitude installation rate is slow, and the progress and the quality are greatly influenced.
Disclosure of Invention
In view of this, the utility model provides a be used for especially big steel box girder arched bridge arch rib installation assistance-localization real-time device aims at solving the problem of single stride especially big steel box girder arched bridge arch rib high altitude location difficulty.
One aspect, the utility model provides a be used for especially big steel box girder arched bridge arch rib installation assistance-localization real-time device, include: the supporting frame is arranged along the horizontal direction, a groove with an inverted trapezoidal structure is arranged on the upper side face of the supporting frame, and arch rib components are placed in the groove.
Furthermore, the support frame comprises a first cross beam and a second cross beam which are arranged along the horizontal direction, the first cross beam is arranged right above the second cross beam, the first cross beam and the second cross beam are oppositely arranged in two rows, and the first cross beam and the second cross beam are mutually connected in two rows to form a square frame body.
Furthermore, the support frame still includes the strengthening rib that sets up along vertical direction, and a plurality of the strengthening rib sets up side by side between first crossbeam and the second crossbeam.
Furthermore, two ends of the first cross beam are respectively connected with an oblique beam, and the oblique beam is arranged in an upward inclined mode along the arrangement direction of the first cross beam.
Furthermore, the upper end of the oblique beam is connected with one end of a connecting beam, and the connecting beam is arranged along the horizontal direction.
Further, an extension beam is arranged under the connecting beam and arranged along the horizontal direction, one end of the extension beam is connected with one end of the second cross beam, the other end of the extension beam is connected with the lower end of a vertical beam, and the upper end of the vertical beam is connected with the other end of the connecting beam.
Further, the connecting beam and the extension beam are arranged in parallel with each other.
Further, the vertical beams are respectively perpendicular to the connecting beam and the extension beam.
Further, the setting height of the connecting beam is greater than that of the first cross beam.
Furthermore, two rows of oblique beams, connecting beams, extension beams and vertical beams are respectively arranged at two ends of the first cross beam and the second cross beam, and fixing beams are arranged between the adjacent two rows of oblique beams, connecting beams, extension beams and vertical beams, so that the first cross beam, the second cross beam, the oblique beams, the connecting beams, the extension beams and the vertical beams are connected into a whole.
Compared with the prior art, the beneficial effects of the utility model reside in that, through the recess that sets up the inverted trapezoid structure to side on the support frame to place the arch rib component, can guarantee that steel box girder bridge arch rib festival section mounted position is accurate, not only the installation rate has obtained the promotion, and both sides stop device can guarantee in the certain limit that the arch rib is stable simultaneously, reduces the arch rib displacement by external factor influence, the construction safety nature of guaranteeing simultaneously.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a three-dimensional structure diagram of an auxiliary positioning device for mounting an arch rib of an arch bridge of an extra-large steel box girder in the embodiment of the utility model;
fig. 2 is a front view of the utility model discloses an arch rib installation auxiliary positioning device for super large steel box girder arched bridge.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
With reference to fig. 1 and the drawings, the embodiment discloses an auxiliary positioning device for installing an arch rib of an arch bridge of an extra-large steel box girder, which comprises: the support frame 1 sets up along the horizontal direction, the side is provided with the recess 3 of falling the trapezium structure on the support frame 1, be used for placing arch rib component 2 in the recess 3.
Specifically, the support frame 1 comprises a first cross beam 4 and a second cross beam 5 which are arranged along the horizontal direction, the first cross beam 4 is arranged right above the second cross beam 5, the first cross beam 4 and the second cross beam 5 are oppositely arranged in two rows, and the first cross beam 4 and the second cross beam 5 are mutually connected to form a square frame body.
Specifically, the support frame 1 further comprises a plurality of reinforcing ribs 6 arranged in the vertical direction, and the plurality of reinforcing ribs 6 are arranged between the first cross beam 4 and the second cross beam 5 side by side.
Specifically, two ends of the first cross beam 4 are respectively connected with an oblique beam 7, and the oblique beam 7 is arranged obliquely upward along the arrangement direction of the first cross beam 4.
Specifically, the upper end of the oblique beam 7 is connected with one end of a connecting beam 8, and the connecting beam 8 is arranged along the horizontal direction.
Particularly, an extension beam 10 is arranged under the connecting beam 8, the extension beam 10 is arranged along the horizontal direction, one end of the extension beam 10 is connected with one end of the second cross beam 5, the other end of the extension beam is connected with the lower end of a vertical beam 9, and the upper end of the vertical beam 9 is connected with the other end of the connecting beam 8.
Specifically, the connecting beam 8 and the extension beam 10 are arranged parallel to each other.
Specifically, the vertical beams 9 are disposed perpendicular to the connecting beam 8 and the extension beam 10, respectively.
Specifically, the installation height of the connection beam 8 is greater than the installation height of the first cross member 4.
Specifically, two rows of oblique beams 7, connecting beams 8, extension beams 10 and vertical beams 9 are respectively arranged at two ends of the first cross beam 4 and the second cross beam 5, and fixing beams 11 are arranged between the adjacent two rows of oblique beams 7, connecting beams 8, extension beams 10 and vertical beams 9, so that the two rows of oblique beams 7, connecting beams 8, extension beams 10 and vertical beams 9 are connected into a whole.
It can be seen that through the recess that sets up the inverted trapezoid structure in the side on the support frame to place the arch rib component, can guarantee that steel box girder bridge arch rib segment mounted position is accurate, not only the installation rate has obtained the promotion, and both sides stop device can guarantee that the arch rib is stable in certain extent simultaneously, reduces the arch rib displacement by external factor influence, the construction safety nature of guaranteeing simultaneously.
The auxiliary positioning device for mounting the arch rib of the arch bridge with the extra-large steel box girder comprises the following specific components and operation processes:
the device uses HW300, 10, 15H-shaped steel as a main component, a stiffened plate is added in the H-shaped steel, the thickness of the stiffened plate is 15mm, the overall strength is increased, two sides of the stiffened plate are externally connected with 500, 500 and 500 limiting plates, and the thickness specification of the stiffened plate is the same as the size of the H-shaped steel.
Secondly, the length of the auxiliary positioning device is determined according to the width of the bottom opening of each section of arch rib component, because the arch ribs are gradually changed into two hexagonal arch ribs from two octagonal arch ribs, the angles of the limiting plates at two sides are adjusted according to the appearance of the arch ribs, and each secondary size is about 2CM larger than the appearance size of the arch ribs and serves as an adjustment amount.
And thirdly, mounting each set of positioning devices which are manufactured on the top of the arch rib support system and welding the positioning devices with the contact surface of the arch rib support. Before welding, the axis and the elevation of the auxiliary positioning device are measured, and the arch rib positioning device is installed according to the linear change angle required by the design.
And fourthly, hoisting the arch rib sections, retesting the axes and the elevations of the auxiliary positioning devices before hoisting the arch ribs, installing the arch rib sections on the positioning devices after the arch rib sections are confirmed to be correct, and welding and temporarily fixing the arch rib sections.
The auxiliary positioning device for the steel box girder arch rib is simple to operate, controls the height of the front section before installation, ensures the linear and space installation quality, is suitable for installation of the steel box girder variable cross-section arch rib, and has high operation efficiency.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a be used for extra-large steel box girder arched bridge arch rib installation auxiliary positioning device which characterized in that includes: the supporting frame is arranged along the horizontal direction, a groove with an inverted trapezoidal structure is arranged on the upper side face of the supporting frame, and arch rib components are placed in the groove.
2. An auxiliary positioning device for mounting an arch rib of an arch bridge with an extra-large steel box girder according to claim 1, wherein the supporting frame comprises a first cross beam and a second cross beam which are arranged along the horizontal direction, the first cross beam is arranged right above the second cross beam, the first cross beam and the second cross beam are arranged in two rows oppositely, and the two rows of the first cross beam and the second cross beam are connected with each other to form a square frame body.
3. The device for auxiliary positioning of arch rib installation of the arch bridge of the extra-large steel box girder as claimed in claim 2, wherein the support frame further comprises reinforcing ribs arranged in the vertical direction, and a plurality of the reinforcing ribs are arranged side by side between the first cross beam and the second cross beam.
4. The auxiliary positioning device for the arch rib installation of the arch bridge with the extra-large steel box girder as claimed in claim 3, wherein two ends of the first cross beam are respectively connected with an oblique beam, and the oblique beams are obliquely arranged upwards along the arrangement direction of the first cross beam.
5. The auxiliary positioning device for the arch rib installation of the arch bridge with the extra-large steel box girder as claimed in claim 4, wherein the upper end of the oblique girder is connected with one end of a connecting girder, and the connecting girder is arranged along the horizontal direction.
6. The auxiliary positioning device for the arch rib installation of the arch bridge with the extra-large steel box girder as claimed in claim 5, wherein an extension beam is arranged right below the connecting beam, the extension beam is arranged along the horizontal direction, one end of the extension beam is connected with one end of the second cross beam, the other end of the extension beam is connected with the lower end of a vertical beam, and the upper end of the vertical beam is connected with the other end of the connecting beam.
7. The auxiliary positioning device for the arch rib installation of the arch bridge with the extra-large steel box girder as claimed in claim 6, wherein the connecting beam and the extension beam are arranged in parallel with each other.
8. The auxiliary positioning device for the arch rib installation of the arch bridge with the extra-large steel box girder as claimed in claim 7, wherein the vertical girder is vertically arranged with the connecting girder and the extension girder.
9. The auxiliary positioning device for the arch rib installation of the arch bridge with the extra-large steel box girder as claimed in claim 8, wherein the connecting beam is arranged at a height greater than that of the first cross beam.
10. The auxiliary positioning device for the arch rib installation of the arch bridge of the extra-large steel box girder as claimed in claim 9, wherein two rows of the oblique girders, the connecting girders, the elongated girders and the vertical girders are respectively arranged at two ends of two rows of the first cross girders and the second cross girders, and a fixed girder is arranged between two adjacent rows of the oblique girders, the connecting girders, the elongated girders and the vertical girders, so that the two rows of the first cross girders, the second cross girders, the oblique girders, the connecting girders, the elongated girders and the vertical girders are integrally connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652285.1U CN211395376U (en) | 2019-09-30 | 2019-09-30 | Auxiliary positioning device for mounting arch rib of arch bridge with extra-large steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652285.1U CN211395376U (en) | 2019-09-30 | 2019-09-30 | Auxiliary positioning device for mounting arch rib of arch bridge with extra-large steel box girder |
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| Publication Number | Publication Date |
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| CN211395376U true CN211395376U (en) | 2020-09-01 |
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| CN201921652285.1U Active CN211395376U (en) | 2019-09-30 | 2019-09-30 | Auxiliary positioning device for mounting arch rib of arch bridge with extra-large steel box girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049029A (en) * | 2020-09-17 | 2020-12-08 | 成都利方致远路桥工程有限公司 | Deviation-rectifying and resetting device for pier stud of bridge |
-
2019
- 2019-09-30 CN CN201921652285.1U patent/CN211395376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049029A (en) * | 2020-09-17 | 2020-12-08 | 成都利方致远路桥工程有限公司 | Deviation-rectifying and resetting device for pier stud of bridge |
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