CN111519547A - Installation positioning device for camber steel arch segment and using method thereof - Google Patents

Installation positioning device for camber steel arch segment and using method thereof Download PDF

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Publication number
CN111519547A
CN111519547A CN202010479413.8A CN202010479413A CN111519547A CN 111519547 A CN111519547 A CN 111519547A CN 202010479413 A CN202010479413 A CN 202010479413A CN 111519547 A CN111519547 A CN 111519547A
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China
Prior art keywords
adjusting
steel arch
positioning
support
unit
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Pending
Application number
CN202010479413.8A
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Chinese (zh)
Inventor
文杰
拓守俭
王亚龙
申国俊
李兴华
薛志飞
王世波
张川
丁杨
桂双杰
林佰成
张立斌
周伟
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7th Engineering Co Ltd of MBEC
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7th Engineering Co Ltd of MBEC
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Application filed by 7th Engineering Co Ltd of MBEC filed Critical 7th Engineering Co Ltd of MBEC
Priority to CN202010479413.8A priority Critical patent/CN111519547A/en
Publication of CN111519547A publication Critical patent/CN111519547A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D4/00Arch-type bridges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The application relates to an installation and positioning device for an camber steel arch segment and a using method thereof, relating to the technical field of bridge construction. This installation positioner includes the support, first regulating unit and second regulating unit, on the support was located to first regulating unit's one end, the other end can be followed the one end fixed with the support and freely rotated in order to adjust the angle of steel arch section in predetermineeing the angle range, be equipped with the locating part on the first regulating unit, the locating part is used for restricting the relative movement between steel arch section and the first regulating unit, the second regulating unit is located on the support, the second regulating unit is used for driving first regulating unit and rotates, still be used for restricting the relative movement between steel arch section and the first regulating unit simultaneously. The installation positioning device provided by the application reduces the posture adjustment difficulty of the steel arch section, realizes the accurate positioning of the steel arch section, and better solves the problems of slow installation positioning, large installation difficulty and low efficiency of the steel arch section in the related technology.

Description

Installation positioning device for camber steel arch segment and using method thereof
Technical Field
The application relates to the technical field of bridge construction, in particular to an installation positioning device for an camber steel arch section and a using method thereof.
Background
At present, with the continuous development of the urbanization process, the construction of large bridges is more and more. The arch bridge not only has larger spanning capacity, but also has the appearance similar to rainbow lying waves, is very beautiful, and is often economical and reasonable to construct under the condition of permission of conditions, so that the number of the constructed arch bridge is more and more, and the modeling is more diversified. In the process of constructing an arch bridge, particularly an arch bridge with a peculiar shape, the installation and positioning of the steel arch bridge are complicated, the installation precision of the steel arch has great influence on the structural stress and the service life of the bridge, and the research on the installation and positioning of the steel arch bridge is very important for ensuring the installation efficiency and precision of the steel arch.
In the related art, the conventional method adopted at present is to directly arrange the buttress on the steel arch support, perform rough adjustment on the steel arch section by using equipment such as a crane and the like, perform horizontal adjustment besides the alignment of the steel arch section and the previous section when the steel arch section is roughly adjusted, then arrange the cushion seat, and finish the fine adjustment in the height direction by using a large-tonnage jack to complete the whole process.
In the method, the method of lowering the crane is adopted, so that the whole adjusting process has more aloft work, in addition, the swinging condition can occur in the lowering process, the adjusting difficulty is increased, the error is increased, a large amount of time of manpower, material resources and financial resources is consumed, the construction efficiency is slow, and the construction progress of the steel arch bridge is slow after the installation period is prolonged.
Disclosure of Invention
The embodiment of the application provides an installation and positioning device of an camber steel arch section and a using method thereof, and aims to solve the problems of slow installation and positioning, high installation difficulty and low efficiency of the steel arch section in the related technology.
In a first aspect, there is provided a camber steel arch segment installation positioning device, comprising:
a support;
the first adjusting unit is provided with a limiting piece, and the limiting piece is used for limiting the relative movement between the steel arch section and the first adjusting unit;
and the second adjusting unit is arranged on the bracket and is used for driving the first adjusting unit to rotate and limiting the relative movement between the steel arch section and the first adjusting unit.
In some embodiments, the first adjusting unit includes:
the adjusting component comprises an upper adjusting piece and a lower adjusting piece, the lower adjusting piece is fixedly arranged on the bracket, and the upper adjusting piece is hinged with the lower adjusting piece;
and one end of the adjusting plate is connected with the upper adjusting piece, and the other end of the adjusting plate can freely rotate within a preset angle range along with one end fixed by the upper adjusting piece under the driving of the second adjusting unit.
In some embodiments, the second adjusting unit includes a first adjusting assembly and a second adjusting assembly respectively disposed at two sides of the bracket, the first adjusting assembly is disposed below an end portion of the adjusting plate away from the adjusting assembly and is used for driving the end portion to rotate, and the second adjusting assembly is used for assisting in limiting relative movement between the steel arch section and the first adjusting unit when the first adjusting assembly drives the adjusting plate to rotate.
In some embodiments, the first adjusting assembly and the second adjusting assembly each include a vertical jack and an adjusting block, the vertical jack is disposed on the support, the adjusting block is disposed on the top of the vertical jack, and one surface of the adjusting block, which is far away from the vertical jack, is used for being attached to the adjusting plate and the steel arch segment, respectively.
In some embodiments, the adjustment block is a triangular prism steel block.
In some embodiments, a buffer protection layer is disposed on the inclined surface of the adjusting block.
In some embodiments, the limiting member is a square steel block, one end of the limiting member is vertically disposed on one end of the adjusting plate close to the adjusting assembly, and the other end of the limiting member at least partially extends out of the adjusting plate.
In some embodiments, the adjusting assembly is fixed with the adjusting plate and the bracket by welding.
In some embodiments, the predetermined angle ranges from 45 ° to 70 °.
In a second aspect, a method for using a device for installing and positioning camber steel arch segments is provided, which comprises the following steps:
arranging the bracket at a preset height;
the steel arch segment adjusting device comprises a support, a first adjusting unit, a second adjusting unit, a limiting piece and a limiting piece, wherein the support is provided with the first adjusting unit and the second adjusting unit respectively, one end of the first adjusting unit is fixedly connected with the support, the first adjusting unit is provided with the limiting piece, the second adjusting unit drives the other end of the first adjusting unit to rotate within a preset angle range along with one end fixed to the support so as to adjust the angle of the steel arch segment, and the second adjusting unit and the limiting piece are used for limiting relative movement between the steel arch segment and the first adjusting unit together in the rotating process.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides an installation positioner of camber steel arch section, because the second regulating unit can drive the one end of first regulating unit along with the one end that the support is fixed freely rotate at predetermineeing angle within range to realize the purpose of adjusting the angle of steel arch section, and in the accommodation process, the relative movement between the limiting part ability better restriction steel arch section and the first regulating unit of setting on the first regulating unit. Therefore, this installation positioner carries out the accurate adjustment location through the inclination to first regulating element, realized the purpose to the angle modulation of steel arch festival section, the support just confirms earlier the mounting height before the installation, follow-up only need adjust first regulating element's inclination can, great reduction the attitude adjustment degree of difficulty of steel arch festival section, realized steel arch festival section accurate positioning, can also regard as the support frame when the installation of steel arch festival section, shorten the engineering time, reduce cost and construction risk.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a positioning device for installing camber steel arch segments according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of an adjusting block of a mounting and positioning device of an camber steel arch segment according to an embodiment of the present application.
In the figure: 1-bracket, 2-first adjusting unit, 20-limiting piece, 21-adjusting component, 22-adjusting plate, 30-vertical jack, 31-adjusting block, 4-steel arch segment and 5-buffer protective layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides an installation positioning device of an camber steel arch segment, which can solve the problems of slow installation positioning, large installation difficulty and low efficiency of the steel arch segment in the related technology.
Fig. 1 is a schematic structural diagram of a mounting and positioning device, which specifically includes a bracket 1, a first adjusting unit 2 and a second adjusting unit, wherein a preset height of a steel arch segment 4 is determined before the bracket 1 is mounted, and the bracket 1 is mounted according to the preset height as required; one end of the first adjusting unit 2 is arranged on the bracket 1, the other end of the first adjusting unit can freely rotate within a preset angle range along one end fixed with the bracket 1 so as to adjust the angle of the steel arch section 4, a limiting piece 20 is further arranged on the first adjusting unit 2, and the limiting piece 20 is used for limiting the relative movement between the steel arch section 4 and the first adjusting unit 2; the second adjusting unit is arranged on the support 1, the second adjusting unit is mainly used for driving the first adjusting unit 2 to rotate, and meanwhile, the second adjusting unit and the limiting part 20 are used together for limiting relative movement between the steel arch segment 4 and the first adjusting unit 2, and stability of the steel arch segment 4 in the angle adjusting process is guaranteed.
Further, first regulating unit 2 includes regulating part 21 and regulating plate 22, and wherein, regulating part 21 includes regulating part and lower regulating part, and lower regulating part sets firmly on support 1, goes up the regulating part and articulates with lower regulating part, and regulating plate 22's one end links to each other with last regulating part, and the other end can be followed and is set up the fixed one end of regulating part and freely rotate within the angle range of predetermineeing under second regulating unit's drive. Specifically, the upper adjusting piece and the lower adjusting piece are of a rotary hinge structure, are connected through a connecting shaft and can flexibly and freely rotate around the connecting shaft.
Further, the second adjusting unit comprises a first adjusting component and a second adjusting component which are respectively arranged on two sides of the bracket 1, the first adjusting component is arranged below the end part of the adjusting plate 22 far away from the adjusting component 21 and is used for driving the end part to freely rotate within a preset angle range, and the second adjusting component is used for assisting in limiting the relative movement between the steel arch section 4 and the first adjusting unit 2 when the first adjusting component drives the adjusting plate 22 to rotate, so that the stability of the steel arch section 4 during position adjustment is ensured.
Specifically, the first adjusting assembly and the second adjusting assembly both comprise a vertical jack 30 and an adjusting block 31, the vertical jack 30 is arranged on the support 1, the adjusting block 31 is arranged at the top of the vertical jack 30, and one surface of the vertical jack 30, which is far away from the vertical jack 30, is respectively used for being attached to the adjusting plate 22 and the steel arch section 4. Fig. 2 is a schematic structural diagram of an adjusting block for installing the positioning device, the adjusting block 31 is a triangular prism steel block, an inclined surface of the adjusting block 31 on the first adjusting assembly is attached to the bottom of the adjusting plate 22 for driving the adjusting plate 22 to rotate, and an inclined surface of the adjusting block 31 on the second adjusting assembly is attached to a side wall of the steel arch segment 4 for limiting the relative movement between the steel arch segment 4 and the first adjusting unit 2.
Further, be equipped with one deck buffer protection layer 5 on the inclined plane of adjusting block 31, because the weight of steel arch section 4 itself is heavier, its structure and this installation positioner's structure also are the steel construction, the place of in-process contact at the adjustment is rigid contact, can cause the wearing and tearing of steel arch section 4 and device structure itself, consequently, all set up one deck buffer protection layer 5 on the inclined plane of adjusting block 31, also avoid causing the damage to steel arch section 4 in the time of can the protection device itself.
Further, the limiting member 20 is a square steel block, one end of which is vertically disposed on one end of the adjusting plate 22 close to the adjusting assembly 21, and the other end of which at least partially extends out of the adjusting plate 22, and is mainly used for fixing and limiting the bottom of the steel arch segment 4 during adjustment, and the second adjusting assembly is used for fixing and limiting the side of the steel arch segment 4 during adjustment. In addition, the adjusting assembly 21, the adjusting plate 22 and the bracket 1 are fixed by welding. The preset angle range is 45-70 degrees, and the value of the preset angle range can be adjusted according to the actual installation environment.
The invention also provides a using method of the installation and positioning device of the camber steel arch section, which comprises the steps of firstly arranging the bracket 1 at a preset height, then respectively arranging the first adjusting unit 2 and the second adjusting unit on the bracket 1, connecting and fixing one end of the first adjusting unit 2 with the bracket 1, arranging the limiting piece 20 on the first adjusting unit 2, driving the other end of the first adjusting unit 2 to rotate along one end fixed with the bracket 1 within a preset angle range by using the second adjusting unit to adjust the angle of the steel arch section 4, and limiting the relative movement between the steel arch section 4 and the first adjusting unit 2 by using the second adjusting unit and the limiting piece 20 together in the rotating process.
Specifically, after the support 1 is arranged at a preset height, a lower adjusting part and an upper adjusting part are sequentially arranged on the support 1, the lower adjusting part and the upper adjusting part are of a rotating hinge structure, an adjusting plate 22 is arranged on the upper adjusting part, a limiting part 20 is arranged at the top of the end face of the adjusting plate 22 close to the upper adjusting part, a first adjusting assembly is arranged at the bottom of the end face of the adjusting plate 22 far away from the upper adjusting part, and a second adjusting assembly is arranged on the opposite side of the first adjusting assembly. During specific adjustment, the steel arch segment 4 is placed on the adjusting plate 22, the first adjusting assembly is lifted or lowered in height, the adjusting plate 22 is driven to rotate within a preset angle range, and meanwhile, the second adjusting assembly is lifted or lowered in height and matched with the first adjusting assembly to ensure the stability between the steel arch segment 4 and the first adjusting unit 2.
This installation positioner carries out the accurate adjustment location through the inclination to first regulating element, realized the purpose to the angle modulation of steel arch festival section, the support just confirms earlier the mounting height before the installation, follow-up only need adjust first regulating element's inclination can, great reduction the steel arch festival section the gesture adjustment degree of difficulty, steel arch festival section accurate positioning has been realized, can also regard as the support frame when the installation of steel arch festival section, shorten the engineering time, reduce cost and construction risk.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are 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 phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An installation and positioning device for camber steel arch segments, comprising:
a support (1);
the first adjusting unit (2) is provided with one end arranged on the support (1) and the other end capable of freely rotating within a preset angle range along one end fixed with the support (1) so as to adjust the angle of the steel arch section (4), the first adjusting unit (2) is provided with a limiting piece (20), and the limiting piece (20) is used for limiting the relative movement between the steel arch section (4) and the first adjusting unit (2);
a second adjustment unit provided on the bracket (1) for driving the first adjustment unit (2) in rotation and at the same time for limiting the relative movement between the steel arch segment (4) and the first adjustment unit (2).
2. The device for the positioning and mounting of camber steel arch segments according to claim 1, characterized in that said first adjustment unit (2) comprises:
the adjusting assembly (21) comprises an upper adjusting piece and a lower adjusting piece, the lower adjusting piece is fixedly arranged on the bracket (1), and the upper adjusting piece is hinged with the lower adjusting piece;
and one end of the adjusting plate (22) is connected with the upper adjusting piece, and the other end of the adjusting plate can freely rotate within a preset angle range along one end fixed with the upper adjusting piece under the driving of the second adjusting unit.
3. The device for installing and positioning an camber steel arch segment according to claim 2, wherein: the second adjusting unit comprises a first adjusting assembly and a second adjusting assembly which are arranged on two sides of the support (1) respectively, the first adjusting assembly is arranged on the adjusting plate (22) and far away from the lower portion of the end portion of the adjusting assembly (21) and used for driving the end portion to rotate, and the second adjusting assembly is used for assisting in limiting relative movement between the steel arch section (4) and the first adjusting unit (2) when the adjusting plate (22) is driven to rotate by the first adjusting assembly.
4. A device for positioning and mounting a camber steel arch segment according to claim 3, wherein: first adjusting part and second adjusting part all include vertical jack (30) and adjusting block (31), vertical jack (30) are located on support (1), adjusting block (31) are located the top of vertical jack (30), and keep away from the one side of vertical jack (30) be used for respectively with regulating plate (22) and steel encircle festival section (4) and paste mutually.
5. The device for installing and positioning an camber steel arch segment according to claim 4, wherein: the adjusting block (31) is a triangular prism steel block.
6. The device for installing and positioning an camber steel arch segment according to claim 5, wherein: and a buffer protective layer (5) is arranged on the inclined surface of the adjusting block (31).
7. The device for installing and positioning an camber steel arch segment according to claim 2, wherein: the limiting piece (20) is a square steel block, one end of the limiting piece is vertically arranged on one end, close to the adjusting assembly (21), of the adjusting plate (22), and the other end of the limiting piece at least partially extends out of the adjusting plate (22).
8. The device for installing and positioning an camber steel arch segment according to claim 2, wherein: the adjusting component (21), the adjusting plate (22) and the bracket (1) are fixed through welding.
9. The device for installing and positioning an camber steel arch segment according to claim 1, wherein: the preset angle range is 45-70 degrees.
10. A method of using the device for positioning and installing camber steel arch segments of claim 1, comprising the steps of:
arranging the bracket (1) at a preset height;
the steel arch segment adjusting device is characterized in that a first adjusting unit (2) and a second adjusting unit are respectively arranged on a support (1), one end of the first adjusting unit (2) is fixedly connected with the support (1), a limiting piece (20) is arranged on the first adjusting unit (2), the second adjusting unit is utilized to drive the other end of the first adjusting unit (2) to rotate within a preset angle range along with one end fixed to the support (1) so as to adjust the angle of a steel arch segment (4), and the second adjusting unit and the limiting piece (20) are utilized to jointly limit relative movement between the steel arch segment (4) and the first adjusting unit (2) in the rotating process.
CN202010479413.8A 2020-05-29 2020-05-29 Installation positioning device for camber steel arch segment and using method thereof Pending CN111519547A (en)

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CN202010479413.8A CN111519547A (en) 2020-05-29 2020-05-29 Installation positioning device for camber steel arch segment and using method thereof

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Application Number Priority Date Filing Date Title
CN202010479413.8A CN111519547A (en) 2020-05-29 2020-05-29 Installation positioning device for camber steel arch segment and using method thereof

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112030755A (en) * 2020-08-19 2020-12-04 中交路桥建设有限公司 Method for installing combined section of inward-inclined arch rib and arch center of steel arch bridge
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
CN114438899A (en) * 2022-02-28 2022-05-06 中铁大桥科学研究院有限公司 Linear control method of hexagonal basket arch
CN116713676A (en) * 2023-07-19 2023-09-08 安徽省交通建设股份有限公司 Angle adjusting device for welding of steel anchor beam and anchor head

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112030755A (en) * 2020-08-19 2020-12-04 中交路桥建设有限公司 Method for installing combined section of inward-inclined arch rib and arch center of steel arch bridge
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
CN114438899A (en) * 2022-02-28 2022-05-06 中铁大桥科学研究院有限公司 Linear control method of hexagonal basket arch
CN116713676A (en) * 2023-07-19 2023-09-08 安徽省交通建设股份有限公司 Angle adjusting device for welding of steel anchor beam and anchor head
CN116713676B (en) * 2023-07-19 2023-12-01 安徽省交通建设股份有限公司 Angle adjusting device for welding of steel anchor beam and anchor head

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