CN212533752U - Bridge construction support - Google Patents
Bridge construction support Download PDFInfo
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- CN212533752U CN212533752U CN202020967635.XU CN202020967635U CN212533752U CN 212533752 U CN212533752 U CN 212533752U CN 202020967635 U CN202020967635 U CN 202020967635U CN 212533752 U CN212533752 U CN 212533752U
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- support
- bridge construction
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Abstract
The utility model relates to a bridge construction support. Bridge construction support includes: the support section is of a frame structure and is provided with more than two sections, and the support sections are used for being butted up and down to enable the bridge construction support to reach the required height; each bracket section is provided with a bracket connecting structure, and the bracket connecting structure is detachably fixed with the adjacent bracket section; and the height adjusting devices are distributed at the bottom of the bottommost bracket section, are fixed with the bottommost bracket section and are used for stably supporting the bracket section on the corresponding bracket supporting base through respective height adjustment. Above-mentioned technical scheme has solved the inconvenient, the higher problem of cost of current bridge construction support dismouting.
Description
Technical Field
The utility model relates to a bridge construction support.
Background
When the bridge section beam is constructed, the bridge part between two pier columns forms a span, and a third span or a fourth span forms a connection; in the bridge in a pair, a span positioned at two ends in the extension direction of the bridge is called an edge span, and a span positioned between the edge spans is called a mid-span; pier columns located at two ends of the bridge in the extension direction are called side piers, pier columns located between the side piers are called middle piers, the section beam above the middle piers is a 0# block, and 1# blocks, 2# blocks and the like are symmetrically erected on two sides of the 0# block in sequence. In the bridge construction process, for example, in the construction process of 0# block, 1# block and side span of the fabricated sectional beam by the short-line method, a bridge construction support is needed to temporarily support the beam body.
At present, a bridge construction support is usually built by welding steel pipes or steel columns, when the support is built, the steel pipes or the steel columns with corresponding heights need to be processed according to the installation height of a beam body, and then the bridge construction support is formed by adopting a tailor welding mode.
The bridge construction support is heavy, the erecting process is complicated, and the turnover and disassembly are troublesome; in addition, a large amount of labor, materials and mechanical equipment are wasted in the building process, so that the cost investment in the construction process is high; moreover, often still need the whole sclerosis of construction site when setting up, form comparatively level and smooth support and support the basis to guarantee to the stable support of each position of bridge construction support bottom, the dismouting is very inconvenient, construction cost is higher.
The other bridge construction support in the existing form is in a scaffold form, and the bridge construction support in the scaffold form also has the problems of inconvenience in disassembly and assembly and high construction cost due to the fact that a large number of rods and columns need to be lapped to form a frame.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge construction support solves the inconvenient, the higher problem of cost of current bridge construction support dismouting.
The utility model discloses well bridge construction support adopts following technical scheme:
bridge construction support includes:
the support section is of a frame structure and is provided with more than two sections, and the support sections are used for being butted up and down to enable the bridge construction support to reach the required height;
each bracket section is provided with a bracket connecting structure, and the bracket connecting structure is detachably fixed with the adjacent bracket section;
and the height adjusting devices are distributed at the bottom of the bottommost bracket section, are fixed with the bottommost bracket section and are used for stably supporting the bracket section on the corresponding bracket supporting base through respective height adjustment.
The technical scheme has the beneficial effects that: by adopting the technical scheme, the supporting height requirement of the corresponding beam body can be met through the combined butt joint of the support sections, the height adjusting device not only can form a horizontal supporting surface through respective height adjustment to stably support the support sections on the corresponding support supporting base, save the processing process of the support supporting base, be suitable for various longitudinal slopes and transverse slopes of the original foundation, but also can finely adjust the supporting height of the bridge construction support, improve the problem that the height of each support section after butt joint can not be continuously changed, not only meet the construction requirement, but also can be detachably butted with each support section and transferred and transported after being disassembled, thereby being convenient for turnover and repeated use, and because the support sections of the frame structure can realize modular assembly, a large number of rods and columns are not required to be lapped to form a frame, the disassembly and assembly are convenient, and the labor force and mechanical equipment are saved, the construction cost is reduced.
The technical scheme has the beneficial effects that: as a preferred solution, the carrier section comprises at least two height specifications.
The technical scheme has the beneficial effects that: by adopting the technical scheme, more support heights can be flexibly combined.
As a preferable embodiment, the height specification is at least two of 0.2m, 0.3m, 0.5m, 1m and 2 m.
The technical scheme has the beneficial effects that: by adopting the technical scheme, the combination is more flexible, and the requirement on the adjustment range of the height adjusting device is favorably reduced.
As a preferred technical scheme, the bridge construction support further comprises a top adjusting seat;
the top adjusting seats are distributed at the top of the topmost support section, have adjustable height and are used for adjusting transverse slopes and/or longitudinal slopes of the beam body;
the top adjusting seat comprises a base, a screw rod and a top seat;
the screw rod is vertically arranged and comprises a screw rod and a ball head, and the ball head is arranged at one end of the screw rod;
the screw rod is in threaded connection with one of the base and the top seat, and the ball head is in a ball head hinge mode and is in a position, with the other of the base and the top seat, for adjusting the height of the top adjusting seat.
The technical scheme has the beneficial effects that: adopt above-mentioned technical scheme, through the height of adjusting the top and adjusting the seat, can satisfy the regulation demand of the cross slope of the roof beam body and longitudinal slope, convenient to use to the top is adjusted the seat and can be according to the condition adjustment gesture of erectting of segment roof beam, makes the maximum area contact prevent that segment roof beam from sliding, guarantees the security, and is nimble reliable, is favorable to guaranteeing to erect the precision.
As a preferred technical scheme, the upper and lower adjacent parts of two adjacent bracket sections are provided with bolt connecting structures, and the bolt connecting structures form the bracket connecting structures through detachable butt joint of bolts.
The technical scheme has the beneficial effects that: by adopting the technical scheme, the bolt connection structure is convenient to connect and convenient to ensure the connection strength.
As a preferred technical scheme, the bracket section comprises a top bracket, and the top bracket is positioned at the topmost end of the bridge construction bracket;
the top support comprises an upright post, a supporting beam and a connecting beam, and the cross section outline size of the supporting beam is larger than that of the upright post.
The technical scheme has the beneficial effects that: by adopting the technical scheme, the supporting strength of the supporting beam can be ensured, and the service life is prolonged.
As a preferred technical scheme, the supporting cross beam is I-shaped steel, wing plates of the I-shaped steel are arranged at intervals up and down, and vertical reinforcing plates are arranged in intervals between the wing plates.
The technical scheme has the beneficial effects that: by adopting the technical scheme, the supporting beam is simple in structure, convenient to manufacture and low in cost.
As a preferred technical scheme, the height adjusting device is a screw jack and comprises a base, a screw rod and a top seat;
the screw rod is vertically arranged and comprises a screw rod and a ball head, and the ball head is arranged at one end of the screw rod;
the screw rod is in threaded connection with one of the base and the top seat, and the ball head is connected with the other of the base and the top seat in a ball head hinge mode.
The technical scheme has the beneficial effects that: by adopting the technical scheme, the height adjusting device can flexibly adapt to the flatness of the support supporting base, and is convenient for stably supporting the support section.
As a preferred technical scheme, the bridge construction support further comprises a base cushion plate, and the base cushion plate is used for adjusting the supporting height of the base.
The technical scheme has the beneficial effects that: by adopting the technical scheme, the adjusting range of the screw jack is favorably reduced, and the adjustment is more convenient.
As a preferred technical scheme, the bridge construction support further comprises a rubber base plate, and the rubber base plate is arranged on the top end face of the top seat and used for forming a top supporting face.
The technical scheme has the beneficial effects that: by adopting the technical scheme, the height error can be improved, the stress of the height adjusting devices at each position is balanced, and the stability is improved.
The above-described preferred embodiments may be adopted alone, or two or more embodiments may be arbitrarily combined when they can be combined, and the embodiments formed by the combination are not specifically described here and are included in the description of the present patent.
Drawings
FIG. 1 is a schematic structural view of example 1 of a bridge construction bracket;
FIG. 2 is a schematic structural view of the screw jack of FIG. 1;
FIG. 3 is a schematic view of the screw of FIG. 2;
fig. 4 is a schematic structural view of embodiment 2 of the bridge construction bracket.
The names of the components corresponding to the corresponding reference numerals in the drawings are: 1-bottom support, 2-top support, 3-adjusting support, 4-0.2m support, 5-0.3m support, 6-0.5m support, 7-1m support, 8-2m support, 9-upright post, 10-supporting beam, 11-connecting beam, 12-inclined reinforcing beam, 13-wing plate, 14-vertical reinforcing plate, 15-height adjusting device, 16-top adjusting seat, 17-base, 18-screw rod, 19-top seat, 20-screw rod, 21-ball head, 22-pressing plate, 23-base cushion plate, 24-rubber cushion plate, 25-reinforced concrete expanding base, 26-plane frame and 27-inclined strut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as the terms first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the recitation of "comprising an … …" may occur without the exclusion of additional like elements present in the process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model discloses embodiment 1 of well bridge construction support is as shown in fig. 1 to fig. 3, is a support that is used for the side span construction of bridge, including bottom support 1, top support 2 and adjustment support 3. As shown in fig. 1, the bottom bracket 1 is located at the lowermost end of the bridge construction bracket, and the top bracket 2 is located at the uppermost end of the bridge construction bracket. The adjustment bracket 3 is located between the bottom bracket 1 and the top bracket 2, and has different height specifications including a 0.2m bracket 4, a 0.3m bracket 5, a 0.5m bracket 6, a 1m bracket 7, and a 2m bracket 8. The bottom bracket 1, the top bracket 2 and the respective adjusting brackets 3 form a respective bracket section.
Each support section is of a cuboid frame structure and comprises a stand column 9, a supporting beam 10, a connecting beam 11 and an inclined reinforcing beam 12, the support sections are manufactured by adopting a tailor welding process to form support modules, and the support modules can be combined according to the required height. The upright post 9 is made of I-shaped steel. The top and the bottom of each support section all are equipped with flange joint board, and flange joint board supplies the bolt to pass, forms bolted connection structure for connect adjacent support section, realize the removable fixed between the adjacent support section, constitute the leg joint structure. All the support sections are sequentially butted in the up-down direction to reach the required height.
The supporting cross beam 10 of the bottom bracket 1 is also made of I-shaped steel, wing plates 13 of the I-shaped steel are arranged at intervals up and down, and vertical reinforcing plates 14 are arranged in the intervals between the wing plates 13. The cross section contour dimension of the supporting beam 10 of the bottom support 1 is larger than that of the upright post 9, so that the reliable support of a beam body can be ensured, and a screw jack can be conveniently installed at the top of the bridge construction support.
The bottom of the bottom bracket 1 is connected with a height adjusting device 15, and the height adjusting device 15 is distributed at the bottom of the bottommost bracket section and fixed with the bottommost bracket section, and is used for stably supporting the bracket section on the corresponding bracket supporting basis through respective height adjustment. And a top adjusting seat 16 is fixed on the top surface of the top support 2, and the top adjusting seats 16 are distributed at the top of the topmost support section, have adjustable heights and are used for adjusting the transverse slope and/or the longitudinal slope of the beam body.
The height adjusting device 15 and the top adjusting base 16 are both screw jacks, as shown in fig. 2 and 3, each screw jack includes a base 17, a screw rod 18, and a top base 19. The screw rod 18 is vertically arranged and comprises a screw rod 20 and a ball head 21, and the ball head 21 is arranged at one end of the screw rod 20; the screw 20 is in threaded connection with the base 17, and the ball 21 is connected with the top seat 19 in a ball-joint manner, so that 360-degree rotation around a vertical axis can be realized, and certain deflection can be generated relative to the vertical axis. A hemispherical pit (not shown) is arranged on the top seat 19 and is matched with the upper hemisphere of the ball head 21; the bottom of the top seat 19 is connected with a pressing plate 22 through bolts, and the pressing plate 22 is used for limiting the ball head 21 in the pit, so that the ball joint matching relationship between the ball head 21 and the top seat 19 is ensured. Both the base 17 of the top adjustment seat 16 and the top seat 19 of the height adjustment device 15 are provided with bolt through holes, which can penetrate bolts to respectively realize the fixed connection with the top support 2 and the bottom support 1.
The bridge construction support further comprises a base cushion plate 23, and the base cushion plate 23 is used for being cushioned at the bottom of the corresponding screw jack when needed, so that the supporting height of the base 17 is adjusted. The base backing plate 23 is provided with an opening corresponding to the bolt through hole on the base 17 for the bolt to pass through. The bridge construction support further comprises a rubber base plate 24, and the rubber base plate 24 is arranged on the top end face of the top base 19 when needed to form a top supporting face.
When the bridge construction support is used, as shown in figure 1, the prefabricated reinforced concrete enlarged foundation 25 is used as a support supporting foundation, the thickness of the reinforced concrete enlarged foundation 25 is within 50cm, the length and the width are generally controlled to be about 1.5m, the bridge construction support can be recycled on site, and the whole construction site is not required to be hardened. After the reinforced concrete enlarged foundation 25 is arranged in place, the base 17 of the height adjusting device 15 is fixed on the reinforced concrete enlarged foundation 25 through bolts, the bottom support 1 is supported and fixed on the top seat 19 of the height adjusting device 15, then the proper adjusting supports 3 are selected to be sequentially butted on the bottom support 1, and finally the top support 2 and the top adjusting seat 16 are butted and fixed. Through the self height of adjustment height adjusting device 15, can guarantee the stable support to the support section, through the self height of adjustment top regulation seat 16, can satisfy the cross slope and the longitudinal gradient requirement of roof beam body.
The utility model discloses well bridge construction support's embodiment 2:
as shown in fig. 4, the bridge construction bracket of the present embodiment is a bracket for construction of a section beam at a pier in a bridge. When the side span is constructed, the other side of the pier corresponding to the side span is not provided with symmetrical segmental girders for balancing the weight of the segmental girders of the side span, so that each segmental girder in the side span needs to be separately supported; when the middle pier is constructed, the two sides of the middle pier can symmetrically erect the segment beams, two 1# blocks on the two sides of the middle pier can be supported at the same time, and the embodiment is used for supporting the two 1# blocks on the two sides of the middle pier at the same time. The difference with embodiment 1 is that the bridge construction support in this embodiment is a combined support, which includes two frame bodies connected by two planar frames 26. The bottom supports 1 of the two frame bodies are provided with inclined struts 27, and four distributed reinforced concrete enlarged foundations 25 are distributed on the bottom; meanwhile, the supporting beams 10 and the connecting beams 11 of the top supports 2 of the two frame bodies are made of I-shaped steel.
The utility model discloses well bridge construction support's embodiment 3:
the difference from embodiment 1 is that the bracket section in embodiment 1 includes a plurality of height specifications, but in this embodiment, the bracket section has only one specification, and can support the beam body with the height assumed in a specific height range. Of course, in other embodiments, several height specifications of the rack segments may be selected as needed, and the height specifications of the rack segments are not limited to the above specifications.
The utility model discloses well bridge construction support's embodiment 4:
the difference with the embodiment 1 is that the top of the top support 2 in the embodiment 1 is provided with a top adjusting seat 16, and the beam body is supported by the top adjusting seat 16 to meet the requirements of a longitudinal slope and a transverse slope; in the embodiment, the top adjusting seat 16 is not disposed at the top of the topmost bracket section, so that the beam body can be directly and horizontally supported. In other embodiments, the supporting block can be padded to support the beam body so as to meet the requirements of longitudinal slope or transverse slope.
The utility model discloses well bridge construction support's embodiment 5:
the difference from embodiment 1 is that in embodiment 1, the height adjusting devices 15 distributed at the bottom of the bottommost support 1 section are screw jacks, and in this embodiment, the height adjusting devices 15 are hydraulic legs.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.
Claims (10)
1. Bridge construction support, its characterized in that includes:
the support section is of a frame structure and is provided with more than two sections, and the support sections are used for being butted up and down to enable the bridge construction support to reach the required height;
each bracket section is provided with a bracket connecting structure, and the bracket connecting structure is detachably fixed with the adjacent bracket section;
and the height adjusting devices are distributed at the bottom of the bottommost bracket section, are fixed with the bottommost bracket section and are used for stably supporting the bracket section on the corresponding bracket supporting base through respective height adjustment.
2. The bridge construction brace of claim 1, wherein the brace sections comprise at least two height specifications.
3. The bridge construction brace of claim 2, wherein the height specifications are at least two of 0.2m, 0.3m, 0.5m, 1m, and 2 m.
4. The bridge construction brace of any one of claims 1 to 3, further comprising a top adjustment seat;
the top adjusting seats are distributed at the top of the topmost support section, have adjustable height and are used for adjusting transverse slopes and/or longitudinal slopes of the beam body;
the top adjusting seat comprises a base, a screw rod and a top seat;
the screw rod is vertically arranged and comprises a screw rod and a ball head, and the ball head is arranged at one end of the screw rod;
the screw rod is in threaded connection with one of the base and the top seat, and the ball head is connected with the other of the base and the top seat in a ball head hinge mode to adjust the height of the top adjusting seat.
5. A bridge construction bracket according to any one of claims 1 to 3, wherein the adjacent upper and lower portions of adjacent bracket sections are provided with bolting formations for releasable engagement by bolts, the bolting formations forming the bracket connection.
6. The bridge construction brace of any one of claims 1 to 3, wherein the brace section comprises a top brace, the top brace being located at a topmost end of the bridge construction brace;
the top support comprises an upright post, a supporting beam and a connecting beam, and the cross section outline size of the supporting beam is larger than that of the upright post.
7. The bridge construction support according to claim 6, wherein the supporting beams are I-shaped steel, wing plates of the I-shaped steel are arranged at intervals up and down, and vertical reinforcing plates are arranged in the intervals between the wing plates.
8. A bridge construction prop according to any one of claims 1 to 3, wherein the height adjustment means is a screw jack comprising a base, a screw rod and a top mount;
the screw rod is vertically arranged and comprises a screw rod and a ball head, and the ball head is arranged at one end of the screw rod;
the screw rod is in threaded connection with one of the base and the top seat, and the ball head is connected with the other of the base and the top seat in a ball head hinge mode.
9. The bridge construction bracket of claim 8, further comprising a base plate for adjusting a support height of the base.
10. The bridge construction bracket of claim 8, further comprising a rubber pad disposed on a top end surface of the top seat for forming a top support surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020967635.XU CN212533752U (en) | 2020-06-01 | 2020-06-01 | Bridge construction support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020967635.XU CN212533752U (en) | 2020-06-01 | 2020-06-01 | Bridge construction support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212533752U true CN212533752U (en) | 2021-02-12 |
Family
ID=74544131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020967635.XU Expired - Fee Related CN212533752U (en) | 2020-06-01 | 2020-06-01 | Bridge construction support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212533752U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463523A (en) * | 2021-08-13 | 2021-10-01 | 中建八局第二建设有限公司 | Stable support frame assembly for expressway steel box girder construction and construction method thereof |
| CN115162773A (en) * | 2022-09-01 | 2022-10-11 | 中建八局第二建设有限公司 | Temporary support device and construction method for large-scale suspended steel structure |
| CN116180594A (en) * | 2022-12-30 | 2023-05-30 | 保利长大工程有限公司 | Construction method of bracket for supporting steel box girder |
| RU240400U1 (en) * | 2025-10-10 | 2026-01-14 | Карим Николаевич Уталиев | TEMPORARY SUPPORT TO INCREASE THE LOAD-BEARING CAPACITY OF A DAMAGED ROAD BRIDGE |
-
2020
- 2020-06-01 CN CN202020967635.XU patent/CN212533752U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463523A (en) * | 2021-08-13 | 2021-10-01 | 中建八局第二建设有限公司 | Stable support frame assembly for expressway steel box girder construction and construction method thereof |
| CN115162773A (en) * | 2022-09-01 | 2022-10-11 | 中建八局第二建设有限公司 | Temporary support device and construction method for large-scale suspended steel structure |
| CN116180594A (en) * | 2022-12-30 | 2023-05-30 | 保利长大工程有限公司 | Construction method of bracket for supporting steel box girder |
| RU240400U1 (en) * | 2025-10-10 | 2026-01-14 | Карим Николаевич Уталиев | TEMPORARY SUPPORT TO INCREASE THE LOAD-BEARING CAPACITY OF A DAMAGED ROAD BRIDGE |
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Granted publication date: 20210212 |