CN111778869A - Camber space arch rib adjusting device of half-through steel structure arch bridge - Google Patents
Camber space arch rib adjusting device of half-through steel structure arch bridge Download PDFInfo
- Publication number
- CN111778869A CN111778869A CN202010735284.4A CN202010735284A CN111778869A CN 111778869 A CN111778869 A CN 111778869A CN 202010735284 A CN202010735284 A CN 202010735284A CN 111778869 A CN111778869 A CN 111778869A
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- adjusting
- arch
- rib
- bracket
- arch bridge
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
Abstract
The invention discloses an inward-inclined space arch rib adjusting device of a half-through steel structure arch bridge, which comprises an adjusting bracket, a supporting frame and a lifting jack, wherein the lifting jack is arranged on the baffle, and the baffle is fixed in position through the inclined strut; the adjusting bracket at least comprises a first adjusting bracket for adjusting the vertical position of the arch bridge arch rib, a second adjusting bracket for adjusting the horizontal position of the arch bridge arch rib and a third adjusting bracket for supporting and adjusting the angle of the inclined surface of the arch bridge arch rib; the first adjusting bracket, the second adjusting bracket and the third adjusting bracket limit the space arrangement position of the arch bridge arch rib. The invention solves the technical problems that the adjustment of the spatial position of other angles cannot be carried out due to the limitation of the conventional arch rib adjustment to the horizontal direction and the vertical direction, and the vertical support of the steel structure arch rib can not ensure that the steel structure arch rib is in a balanced state in a spatial state.
Description
Technical Field
The invention relates to the field of bridge engineering construction, in particular to an inward-inclined space arch rib adjusting device for a half-through steel structure arch bridge.
Background
The installation accuracy and the adjustment measure of the steel structure arch rib are key control points of the steel structure arch bridge construction, and for the steel structure arch rib with the inward inclination angle of 10 degrees, the control coordinate points are not on the same line or the same surface, but belong to a space structure. The conventional way is to arrange vertical jacks or three-way jacks on the support, both of which have the following disadvantages: firstly, a common jack or a three-way jack can only adjust the arch rib in the horizontal plane or the vertical direction and cannot adjust the spatial position of the arch rib; secondly, the vertical support of the steel structure arch rib in the space state can not ensure that the steel structure arch rib is in a balance state.
Disclosure of Invention
The invention mainly aims to provide a device for adjusting an inward-inclined spatial arch rib of a half-through type steel structure arch bridge, which aims to solve the technical problems that the adjustment of the spatial position of other angles cannot be carried out due to the fact that the conventional arch rib adjustment is limited in the horizontal direction and the vertical direction, and a vertical support of a steel structure arch rib cannot ensure that the steel structure arch rib is in a balanced state in a spatial state.
In order to achieve the aim, the inward-inclined spatial arch rib adjusting device for the half-through type steel structure arch bridge is provided.
The device for adjusting the inward-inclined spatial arch rib of the half-through type steel structure arch bridge comprises:
the adjusting support comprises a baffle plate, an inclined strut and a jack, wherein the jack is arranged on the baffle plate, and the baffle plate is fixed in position through the inclined strut;
the adjusting bracket at least comprises a first adjusting bracket for adjusting the vertical position of the arch bridge arch rib, a second adjusting bracket for adjusting the horizontal position of the arch bridge arch rib and a third adjusting bracket for supporting and adjusting the angle of the inclined surface of the arch bridge arch rib; the first adjusting bracket, the second adjusting bracket and the third adjusting bracket limit the space arrangement position of the arch bridge arch rib.
Furthermore, the upper end face of the baffle of the first adjusting support is parallel to the bottom face of the arch bridge arch rib, and the lower end face of the baffle is attached to the contact face.
Further, the second adjusting bracket and the third adjusting bracket comprise cow leg columns for supporting and fixing the position of the jack on the baffle.
Further, the first adjusting bracket and/or the third adjusting bracket are provided with at least 2 jacks.
Furthermore, the jacks are uniformly distributed on the baffle plates of the first adjusting bracket, the second adjusting bracket and the third adjusting bracket.
Furthermore, the upper end surface of the baffle plate of the third adjusting bracket is arranged in parallel with the side surface of the arch bridge arch rib.
Further, the adjusting device comprises a bearing support, and the adjusting support is arranged on the bearing support.
Furthermore, the bearing support comprises a steel pipe upright post and a bearing beam which is arranged on the upper end surface of the steel pipe upright post and connected with the adjusting device.
Further, a stabilizing rod piece is arranged between every two steel pipe upright columns.
Further, the stabilizing rod piece is arranged at the upper end part of the steel tube stand column and at least comprises an inclined strut and a cross beam.
In the embodiment of the invention, a support supported by a spatial steel structure arch rib and a coordinate adjustment mode thereof are adopted, and a first adjustment support, a second adjustment support and a third adjustment support are arranged to respectively support and adjust the angle of the vertical plane, the horizontal plane and the inclined plane of the arch bridge arch rib, so that the purposes of limiting the arch bridge arch rib to a certain angle position and stabilizing the whole structure are achieved, the technical effects of spatial angle adjustment and stable structure of the arch bridge arch rib are realized, and the technical problems that the adjustment of the spatial position of other angles cannot be carried out due to the fact that the conventional arch rib adjustment is limited to the horizontal direction and the vertical direction, and the vertical support of the steel structure arch rib cannot ensure that the steel structure arch rib is in a balanced state in a spatial state are solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the invention and to make further features, objects, and advantages of the invention apparent. The drawings and their description illustrate exemplary embodiments of the invention and do not limit it inappropriately. In the drawings:
fig. 1 is a schematic structural view of an inward inclination space arch rib adjusting device of a half-through steel structure arch bridge according to an embodiment of the invention.
Reference numerals
1: a first adjustment bracket; 2: a second adjustment bracket; 3: a third adjusting bracket; 301: a baffle plate; 302: bracing; 303: a jack; 304: bracket columns; 4: a load bearing support; 401: a steel pipe upright post; 402: a spandrel girder; 403: bracing; 404: a cross member.
Detailed Description
In order to make the person skilled in the art better understand the application scheme of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, shall fall within the scope of protection of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present application are described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the drawings.
As shown in fig. 1, the application of the invention relates to a device for adjusting an inward-inclined spatial arch rib of a half-through type steel structure arch bridge, which comprises an adjusting bracket and a bearing bracket, wherein the adjusting bracket is arranged on the bearing bracket.
The adjusting bracket comprises a baffle plate 301, an inclined strut 302 and a jack 303, wherein the jack 303 is arranged on the baffle plate 301, the baffle plate 301 is fixed in position through the inclined strut 302, and the adjusting bracket at least comprises a first adjusting bracket 1 for adjusting the vertical position of an arch bridge rib, a second adjusting bracket 2 for adjusting the horizontal position of the arch bridge rib, and a third adjusting bracket 3 for supporting and adjusting the angle of the inclined plane of the arch bridge rib; the first adjusting bracket 1, the second adjusting bracket 2 and the third adjusting bracket 3 limit the space arrangement position of the arch rib of the arch bridge.
In a preferred embodiment of the present invention, the upper end surface of the baffle of the first adjusting bracket 1 is parallel to the bottom surface of the arch rib of the arch bridge, and the lower end surface of the baffle is attached to the contact surface, that is, the lower end surface of the baffle is attached to the bearing bracket. The setting of this structure, when the convenience carries out angle modulation at the arch bridge arch rib, according to specific arch bridge arch rib design angle, make the up end of baffle with the bottom surface of arch bridge arch rib is parallel to this guarantees to set up jack on the baffle of first adjustment support with the bottom surface of arch bridge arch rib is perpendicular, makes things convenient for the conduction of carrying on power between the two. Similarly, in a further preferred embodiment of the present invention, the upper end face of the baffle plate of the third adjusting bracket 3 is arranged in parallel with the side face of the arch rib of the arch bridge.
In the preferred embodiment of the present invention, the second adjusting bracket 2 and the third adjusting bracket 3 include a leg support 304 for supporting and fixing the position of the jack 303 on the baffle 301. In order to ensure the stability of the transmission of the contact surface force between the adjusting bracket and the arch rib of the arch bridge, in a further preferred embodiment of the present invention, at least 2 jacks are arranged on the first adjusting bracket 1 and/or the third adjusting bracket 3, a plurality of jacks can be arranged on the second bracket 2, and the jacks are uniformly distributed on the baffle plates of the first adjusting bracket 1, the second adjusting bracket 2 and the third adjusting bracket 3.
In a preferred embodiment of the present invention, the bearing support 4 includes a steel tube upright 401 and a bearing beam 402 arranged on an upper end surface of the steel tube upright 401 and connected to the adjusting device, the adjusting support is arranged on the bearing beam 402, preferably, the steel tube upright 401 has a diameter of 800mm and a wall thickness of 8mm, and the bearing beam 402 has a double-split 56a i-steel type. The steel tube columns 401 are provided with stabilizing rods between every two, and the stabilizing rods at least comprise inclined struts 403 and cross beams 404.
The installation and use processes of the inward-inclined space arch rib adjusting device of the half-through type steel structure arch bridge in the invention in specific construction can be as follows:
firstly, a jack is arranged on the cow leg column, so that the arch rib of the steel arch bridge can be forced by the jack to move in multiple directions. The steel pipe stand that bears the weight of the support gets into ground through mechanical vibration hammer, and the steel pipe stand sets up stabilizing member such as bracing, crossbeam between two liang, later sets up the spandrel girder above it, and the steel pipe stand model is diameter 800mm, and wall thickness 8 mm. The model of the bearing beam is double-spliced 56a I-shaped steel.
Secondly, a first adjusting support, a second adjusting support and a third adjusting support are arranged on a bearing beam of the bearing support, a bracket column is arranged on the baffle plate, and the width of the bracket column is slightly wider than that of the arch rib of the arch bridge, so that a certain moving space is provided.
In the preferred embodiment of the invention, the adjusting bracket is welded on the bearing beam of the bearing bracket, the bottom and the inward-inclined edge of the arch rib are main stress parts, and the jack is arranged in the direction vertical to the arch rib. In order to support the jack, a support bracket structure is arranged at the lower part of the corresponding position of the jack. A jack is horizontally arranged on the outward-inclined side of the arch rib so as to control the rotation of the arch rib. Preferably, the steel pipe upright posts are supported by double I12I-shaped steel.
In order to ensure that the arch rib does not deform greatly, the jack is arranged at the position which is aligned with the straight rib of the steel arch as much as possible.
The adjusting device for the inward-inclined spatial arch rib of the half-through steel structure arch bridge can be quickly adjusted to a design position, the spatial position of the arch rib of the steel arch bridge is adjusted through the adjusting bracket, the arch rib can be quickly adjusted according to the design spatial position through the adjustment of the jack, construction materials are saved, the construction progress is accelerated, and the applicability of the scheme is improved.
In the embodiment of the invention, a support supported by a spatial steel structure arch rib and a coordinate adjustment mode thereof are adopted, and a first adjustment support, a second adjustment support and a third adjustment support are arranged to respectively support and adjust the angle of the vertical plane, the horizontal plane and the inclined plane of the arch bridge arch rib, so that the purposes of limiting the arch bridge arch rib to a certain angle position and stabilizing the whole structure are achieved, the technical effects of spatial angle adjustment and stable structure of the arch bridge arch rib are realized, and the technical problems that the adjustment of the spatial position of other angles cannot be carried out due to the fact that the conventional arch rib adjustment is limited to the horizontal direction and the vertical direction, and the vertical support of the steel structure arch rib cannot ensure that the steel structure arch rib is in a balanced state in a spatial state are solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a well formula steel construction arched bridge fall-in space arch rib adjusting device which characterized in that includes:
the adjusting support comprises a baffle plate, an inclined strut and a jack, wherein the jack is arranged on the baffle plate, and the baffle plate is fixed in position through the inclined strut;
the adjusting bracket at least comprises a first adjusting bracket for adjusting the vertical position of the arch bridge arch rib, a second adjusting bracket for adjusting the horizontal position of the arch bridge arch rib and a third adjusting bracket for supporting and adjusting the angle of the inclined surface of the arch bridge arch rib; the first adjusting bracket, the second adjusting bracket and the third adjusting bracket limit the space arrangement position of the arch bridge arch rib.
2. The device for adjusting the inward-inclined spatial arch rib of the half-through steel structure arch bridge according to claim 1, wherein the upper end surface of the baffle plate of the first adjusting bracket is parallel to the bottom surface of the arch rib of the arch bridge, and the lower end surface of the baffle plate is attached to the contact surface.
3. The camber spatial rib adjustment device of a half-through steel-structured arch bridge according to claim 2, wherein the second and third adjustment brackets include a leg brace for supporting and fixing a position of the jack on the barrier.
4. The camber spatial rib adjusting device of a half-through steel structure arch bridge according to claim 2, wherein at least 2 jacks are arranged on the first adjusting bracket and/or the third adjusting bracket.
5. The camber spatial rib adjustment device of a half-through steel structure arch bridge according to claim 4, wherein the jacks are uniformly distributed on the baffles of the first adjustment bracket, the second adjustment bracket and the third adjustment bracket.
6. The device for adjusting the inward-inclined spatial arch rib of the half-through steel-structured arch bridge according to claim 2, wherein the upper end surface of the baffle of the third adjusting bracket is arranged in parallel with the side surface of the arch rib of the arch bridge.
7. The camber spacial rib adjustment device of a half-through steel-structured arch bridge according to any one of claims 1 to 6, comprising a bearing bracket, wherein the adjustment bracket is disposed on the bearing bracket.
8. The camber spatial rib adjusting device of a half-through steel structure arch bridge according to claim 7, wherein the bearing support comprises a steel tube upright and a bearing beam arranged on the upper end surface of the steel tube upright and connected with the adjusting device.
9. The device for adjusting the inward-inclined spatial arch rib of the half-through steel structure arch bridge according to claim 8, wherein a stabilizing rod is arranged between every two steel tube columns.
10. The camber spatial rib adjusting device of a half-through steel structure arch bridge according to claim 9, wherein the stabilizer bar is disposed at an upper end portion of the steel pipe column and includes at least a diagonal brace and a cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735284.4A CN111778869A (en) | 2020-07-27 | 2020-07-27 | Camber space arch rib adjusting device of half-through steel structure arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735284.4A CN111778869A (en) | 2020-07-27 | 2020-07-27 | Camber space arch rib adjusting device of half-through steel structure arch bridge |
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| Publication Number | Publication Date |
|---|---|
| CN111778869A true CN111778869A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010735284.4A Pending CN111778869A (en) | 2020-07-27 | 2020-07-27 | Camber space arch rib adjusting device of half-through steel structure arch bridge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431139A (en) * | 2020-11-26 | 2021-03-02 | 上海市基础工程集团有限公司 | Construction device and method for positioning, matching and folding large-span basket-type steel arch rib |
| CN114250689A (en) * | 2021-12-21 | 2022-03-29 | 中交三公局第三工程有限公司 | Construction method of inclined steel box stacked arch rib of steel arch bridge |
| CN114575253A (en) * | 2021-12-31 | 2022-06-03 | 中交路桥建设有限公司 | Arch rib mounting system |
| CN114592429A (en) * | 2021-12-23 | 2022-06-07 | 安徽省公路桥梁工程有限公司 | Tied arch bridge arch rib and wind brace auxiliary splicing construction system and construction method |
-
2020
- 2020-07-27 CN CN202010735284.4A patent/CN111778869A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431139A (en) * | 2020-11-26 | 2021-03-02 | 上海市基础工程集团有限公司 | Construction device and method for positioning, matching and folding large-span basket-type steel arch rib |
| CN114250689A (en) * | 2021-12-21 | 2022-03-29 | 中交三公局第三工程有限公司 | Construction method of inclined steel box stacked arch rib of steel arch bridge |
| CN114592429A (en) * | 2021-12-23 | 2022-06-07 | 安徽省公路桥梁工程有限公司 | Tied arch bridge arch rib and wind brace auxiliary splicing construction system and construction method |
| CN114592429B (en) * | 2021-12-23 | 2023-12-08 | 安徽省公路桥梁工程有限公司 | Auxiliary splicing construction system and construction method for tied arch bridge arch rib and air bracing |
| CN114575253A (en) * | 2021-12-31 | 2022-06-03 | 中交路桥建设有限公司 | Arch rib mounting system |
| CN114575253B (en) * | 2021-12-31 | 2024-01-26 | 中交路桥建设有限公司 | Arch rib mounting system |
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