CN110900083A - Device and method for installing and positioning short joint of web member of steel truss girder - Google Patents
Device and method for installing and positioning short joint of web member of steel truss girder Download PDFInfo
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- CN110900083A CN110900083A CN201911290546.4A CN201911290546A CN110900083A CN 110900083 A CN110900083 A CN 110900083A CN 201911290546 A CN201911290546 A CN 201911290546A CN 110900083 A CN110900083 A CN 110900083A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The invention belongs to the technical field of steel structure manufacturing, and discloses a device for installing and positioning a short joint of a web member of a steel truss girder, which comprises: the device comprises an upper chord butt joint plate, a lower chord butt joint plate, a web short joint butt joint plate, an upper chord connecting plate, a lower chord connecting plate and a short joint connecting plate; the upper chord butt joint plate is connected with the lower chord butt joint plate through a web short joint butt joint plate; positioning holes are formed in the upper chord butt joint plate, the lower chord butt joint plate, the web short joint butt joint plate, the upper chord connecting plate, the lower chord connecting plate and the short joint connecting plate; the upper chord butt joint plate is fixedly connected with the upper chord connecting plate through a first impact nail, the lower chord butt joint plate is fixedly connected with the lower chord connecting plate through a second impact nail, and the web short joint butt joint plate is fixedly connected with the short joint connecting plate through a third impact nail; the upper chord butt joint plate and the lower chord butt joint plate are arranged in parallel, and the web short joint butt joint plate is perpendicular to the upper chord butt joint plate and the lower chord butt joint plate; the distance between the upper chord butt joint plate and the lower chord butt joint plate is consistent with the distance between the upper chord plate and the lower chord plate of the steel truss girder to be installed. The positioning device provided by the invention can perform high-precision positioning.
Description
Technical Field
The invention relates to the technical field of steel structure manufacturing, in particular to a device and a method for installing and positioning a short joint of a web member of a steel truss girder.
Background
The steel truss bridge is a bridge with a truss as a main bearing component, and comprises: upper chords, lower chords, webs, and the like. The connection form between the steel trussed beams and between the beam columns of the truss bridge is mainly bolting, so that a web member short joint needs to be welded between the upper chord plate and the lower chord plate, and holes are drilled on the corresponding positions of the chord plates on two sides of the web member short joint to form an accurate and reliable bolting structure. In the prior art, for the processing of the bolted structure, in order to ensure the construction efficiency, a construction method of firstly drilling and then linearly machining is generally adopted, namely, firstly drilling is carried out according to the requirement of the bolted structure, then manual scribing is carried out based on the drilling, and then the web short joint is welded according to the linear positioning. The positioning accuracy caused by the construction method is poor, so that errors of the welding position and the welding posture of the web short joint always exist to a certain degree, and the quality of a bolted structure is poor.
Disclosure of Invention
The invention provides a device and a method for installing and positioning a short joint of a web member of a steel truss girder, which solve the technical problem of poor positioning accuracy of a hole-first and line-last construction method of the short joint of the web member of the steel truss girder in the prior art.
In order to solve the technical problem, the invention provides a device for installing and positioning a short joint of a web member of a steel truss girder, which comprises: the device comprises an upper chord butt joint plate, a lower chord butt joint plate, a web short joint butt joint plate, an upper chord connecting plate, a lower chord connecting plate and a short joint connecting plate;
the upper chord butt joint plate is connected with the lower chord butt joint plate through the web short joint butt joint plate;
positioning holes are formed in the upper chord butt joint plate, the lower chord butt joint plate, the web short joint butt joint plate, the upper chord connecting plate, the lower chord connecting plate and the short joint connecting plate;
the upper chord butt joint plate is fixedly connected with the upper chord connecting plate through a first impact nail, the lower chord butt joint plate is fixedly connected with the lower chord connecting plate through a second impact nail, and the web short joint butt joint plate is fixedly connected with the short joint connecting plate through a third impact nail;
the upper chord butt joint plate and the lower chord butt joint plate are arranged in parallel, and the web short joint butt joint plate is perpendicular to the upper chord butt joint plate and the lower chord butt joint plate;
and the distance between the upper chord butt joint plate and the lower chord butt joint plate is consistent with the distance between the upper chord plate and the lower chord plate of the steel truss girder to be installed.
Furthermore, the number of the web short joint butt-joint plates is one;
the upper chord butt joint plate, the lower chord butt joint plate and the web short joint butt joint plate form an I-shaped structure.
Furthermore, the number of the web short joint butt-joint plates is two;
the upper chord butt joint plate, the lower chord butt joint plate and the two web short joint butt joint plates form a box-shaped structure.
A method for installing and positioning a short joint of a web member of a steel truss girder is based on a device for installing and positioning the short joint of the web member of the steel truss girder; and performing the following steps:
respectively abutting the upper chord butt joint plate and the lower chord butt joint plate against the edges of the upper chord plate and the lower chord plate of the steel truss girder;
fixing the upper chord connecting plate on the upper chord plate through the mounting hole on the upper chord plate;
fixing the lower chord connecting plate on the lower chord plate through a mounting hole on the lower chord plate;
and arranging the web short joint to be installed by referring to the position adjustment of the web short joint butt joint plate, fixing the web short joint to be installed on the web short joint butt joint plate through an installation hole on the web short joint to be installed, and positioning the web short joint to be installed.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the installation positioning device and the positioning method for the web member short joint of the steel truss girder, a positioning tool formed by an upper chord butt joint plate, a lower chord butt joint plate and a web plate short joint butt joint plate is prepared by simulating the connection structure form of the web member short joint of the steel truss girder and an upper chord plate and a lower chord plate, and positioning holes meeting bolting specifications are formed in the positioning tool; the upper chord plate and the upper chord butt joint plate are connected together in a smooth and coplanar manner through the upper chord connecting plate, the upper chord connecting plate is made to be an extension part of the upper chord plate in the coplanar manner, the lower chord plate and the lower chord butt joint plate are connected together in a smooth and coplanar manner through the lower chord connecting plate, the lower chord connecting plate is made to be an extension part of the lower chord plate in the coplanar manner, the position and the posture of the web short joint butt joint plate at the moment meet the standard requirements of bolting, the web short joint to be positioned is fixed on the web short joint butt joint plate through the short joint connecting plate, and based on the principle of smooth and coplanar, the position and the posture of the web short joint to be installed at the moment are the high-precision positioning position and posture. Based on above positioner can the short joint of location web of high accuracy, its location operation is also very simple and convenient simultaneously, high-efficient to when guaranteeing positioning accuracy, further promoted the efficiency of first hole after the line method.
Drawings
FIG. 1 is a schematic structural view of a prior art steel truss beam;
fig. 2 is a schematic structural diagram of a device for installing and positioning a short joint of a web member of a steel truss girder according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device for installing and positioning a short joint of a web member of a steel truss girder according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a method for installing and positioning a short joint of a web member of a steel truss girder according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a method for installing and positioning a short joint of a web member of a steel truss girder according to a second embodiment of the present invention.
Detailed Description
The embodiment of the application provides a device and a method for installing and positioning a short joint of a web member of a steel truss girder, and solves the technical problems that in the prior art, the short joint of the web member of the steel truss girder is poor in positioning accuracy and low in drilling installation efficiency.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1, the steel truss girder is composed of an upper chord plate 1, a lower chord plate 2, and a web. In order to facilitate bolting, a web short joint can be arranged on the upper chord plate 1 and the lower chord plate 2 to form an I-shaped bolting structure 3 to be matched with an I-shaped beam column, or two web short joints can be arranged on the upper chord plate 1 and the lower chord plate 2 to form a box-shaped bolting structure 4 to be matched with a box-shaped beam column.
The installation and positioning device for the short joint of the web member of the steel truss girder will be described in conjunction with the h-shaped bolting structure 3 and the box-shaped bolting structure 4.
Example one
Referring to fig. 2, the present embodiment provides a device for installing and positioning a short joint of a web member of a steel truss girder aiming at an i-shaped bolting structure 3, which includes: the upper chord butt joint plate 31, the lower chord butt joint plate 32, the web short joint butt joint plate 33, the upper chord connecting plate 51, the lower chord connecting plate 52 and the short joint connecting plate 53.
The upper chord butt joint plate 31 is connected with the lower chord butt joint plate 32 through the web short joint butt joint plate 33; the number of the web short joint butt-joint plates 33 is one; the upper chord butt joint plate 31, the lower chord butt joint plate 32 and the web short joint butt joint plate 32 form an I-shaped structure.
Positioning holes are formed in the upper chord butt joint plate 31, the lower chord butt joint plate 32, the web short joint butt joint plate 33, the upper chord connecting plate 51, the lower chord connecting plate 52 and the short joint connecting plate 53; the positioning holes and the mounting holes on the upper chord plate 1, the lower chord plate 2 and the web short joint are drilled according to the requirements of the bolting structure form; that is, the i-shaped form of the positioning device at this time is in accordance with the bolting structure of the beam column to which the i-shaped bolting structure 3 is to be fitted; since the mounting holes on the chord plate 1, the lower chord plate 2 and the web short joint are drilled firstly according to the bolting requirements, the only non-positioned at the moment is the position and the posture of the web short joint.
The positioning process will be described below in connection with specific structural members.
Referring to fig. 4, the upper chord butt plate 31 is fixedly connected with the upper chord connecting plate 51 through a first impact nail, the lower chord butt plate 32 is fixedly connected with the lower chord connecting plate 52 through a second impact nail, and the web short joint butt plate 33 is fixedly connected with the short joint connecting plate 53 through a third impact nail; thereby forming a complete positioning device structure.
Taking a steel truss girder as an example of a bolting body, since the upper chord plate 1 and the lower chord plate 2 are parallel, the web short joint is disposed and fixed between the upper chord plate 1 and the lower chord plate 2; the upper chord butt plate 31 and the lower chord butt plate 32 are arranged in parallel, and the web short joint butt plate 33 is perpendicular to the upper chord butt plate 31 and the lower chord butt plate 32; the distance between the upper chord butt joint plate 31 and the lower chord butt joint plate 32 is consistent with the distance between the upper chord plate 1 and the lower chord plate 2 of the steel truss girder to be installed, and the matching structure of the I-shaped bolting structure 3 is completely simulated.
Installing a positioning device based on the short connector of the web member of the steel truss girder; and performing the following steps:
abutting the upper chord butt joint plate 31 and the lower chord butt joint plate 32 against the edges of the upper chord plate 1 and the lower chord plate 2 of the steel truss girder respectively;
fixing the upper chord connecting plate 51 on the upper chord plate 1 through the mounting hole on the upper chord plate 1, namely fixing the upper chord connecting plate 51 on the upper chord plate 1 through a first impact nail;
fixing the lower chord connecting plate 52 on the lower chord 2 through the mounting hole on the lower chord 2, namely fixing the lower chord connecting plate 52 on the lower chord 2 through a second impact nail; thereby establishing a complete bolting of the upper chord 1 and the lower chord 2.
And arranging a web short joint to be installed by referring to the position adjustment of the web short joint butt-joint plate 33, fixing the web short joint to be installed on the web short joint butt-joint plate 33 through an installation hole on the web short joint to be installed, positioning the web short joint to be installed, namely fixing the short joint connecting plate 53 on the web short joint to be positioned and installed through a third punching pin, so that the web short joint to be positioned and installed and the web short joint butt-joint plate 33 form a whole, thereby forming a complete bolting structural form, and the position and the posture of the web short joint to be installed at the moment are in the most ideal state. And at the moment, the welding of the web short joint is carried out, and the web short joint with the optimal precision and posture is obtained.
The first punching nail, the second punching nail and the third punching nail are I-shaped bolted punching nails 6 with proper specifications, and can be other fasteners such as bolts and the like; and are limited in this regard.
Example two
Referring to fig. 3 and 5, on the basis of the first embodiment, the number of the web short joint butt-joint plates is set to be two; the second upper chord butt joint plate 41, the lower chord butt joint plate 42 and the two web short joint butt joint plates form a box-shaped structure; adapting the bolting of the box beam.
This will be explained in detail below.
The second upper chord butt joint plate 41 is fixedly connected with a second upper chord connecting plate 71 through a first impact nail, the second lower chord butt joint plate 42 is fixedly connected with a second lower chord connecting plate 72 through a second impact nail, and the web short joint butt joint plate 43 is fixedly connected with a second short joint connecting plate 73 through a third impact nail; thereby forming a complete positioning device structure.
Taking a steel truss girder as an example of a bolting body, since the upper chord plate 1 and the lower chord plate 2 are parallel, the web short joint is disposed and fixed between the upper chord plate 1 and the lower chord plate 2; the second upper chord butt joint plate 41 and the second lower chord butt joint plate 42 are arranged in parallel, and the two second web short joint butt joint plates 43 are perpendicular to the second upper chord butt joint plate 41 and the second lower chord butt joint plate 42; the distance between the second upper chord butt joint plate 41 and the second lower chord butt joint plate 42 is consistent with the distance between the upper chord plate 1 and the lower chord plate 2 of the steel truss girder to be installed, and the matching structure of the box-type bolting structure 4 is completely simulated.
Installing a positioning device based on the short connector of the web member of the steel truss girder; and performing the following steps:
respectively abutting a second upper chord butt joint plate 41 and a second lower chord butt joint plate 42 against the edges of the steel truss girder upper chord plate 1 and the steel truss girder lower chord plate 2;
fixing a second upper chord connecting plate 71 on the upper chord plate 1 through a mounting hole on the upper chord plate 1, namely fixing the second upper chord connecting plate 71 on the upper chord plate 1 through a first impact nail;
fixing a second lower chord connecting plate 72 on the lower chord 2 through a mounting hole on the lower chord, namely fixing the second lower chord connecting plate 72 on the lower chord 2 through a second impact nail; thereby establishing a complete bolting of the upper chord 1 and the lower chord 2.
And (3) arranging the web short joint to be installed by referring to the position adjustment of the second web short joint butt-joint plate 43, fixing the web short joint to be installed on the second web short joint butt-joint plate 43 through the installation hole on the web short joint to be installed, positioning the web short joint to be installed, namely fixing a second short joint connecting plate 73 on the web short joint to be installed by a third punching pin, so that the web short joint to be installed and the second web short joint butt-joint plate 43 form a whole, thereby forming a complete bolting structural form, and the position and the posture of the web short joint to be installed at the moment are in an optimal state. And at the moment, the welding of the web short joint is carried out, and the web short joint with the optimal precision and posture is obtained.
The first punching pin, the second punching pin and the third punching pin are box-type bolted punching pins 8 with proper specifications, and can be other fasteners such as bolts and the like; and are limited in this regard.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the installation positioning device and the positioning method for the web member short joint of the steel truss girder, a positioning tool formed by an upper chord butt joint plate, a lower chord butt joint plate and a web plate short joint butt joint plate is prepared by simulating the connection structure form of the web member short joint of the steel truss girder and an upper chord plate and a lower chord plate, and positioning holes meeting bolting specifications are formed in the positioning tool; the upper chord plate and the upper chord butt joint plate are connected together in a smooth and coplanar manner through the upper chord connecting plate, the upper chord connecting plate is made to be an extension part of the upper chord plate in the coplanar manner, the lower chord plate and the lower chord butt joint plate are connected together in a smooth and coplanar manner through the lower chord connecting plate, the lower chord connecting plate is made to be an extension part of the lower chord plate in the coplanar manner, the position and the posture of the web short joint butt joint plate at the moment meet the standard requirements of bolting, the web short joint to be positioned is fixed on the web short joint butt joint plate through the short joint connecting plate, and based on the principle of smooth and coplanar, the position and the posture of the web short joint to be installed at the moment are the high-precision positioning position and posture. Based on above positioner can the short joint of location web of high accuracy, its location operation is also very simple and convenient simultaneously, high-efficient to when guaranteeing positioning accuracy, further promoted the efficiency of first hole after the line method.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a short joint installation positioner of steel truss web member which characterized in that includes: the device comprises an upper chord butt joint plate, a lower chord butt joint plate, a web short joint butt joint plate, an upper chord connecting plate, a lower chord connecting plate and a short joint connecting plate;
the upper chord butt joint plate is connected with the lower chord butt joint plate through the web short joint butt joint plate;
positioning holes are formed in the upper chord butt joint plate, the lower chord butt joint plate, the web short joint butt joint plate, the upper chord connecting plate, the lower chord connecting plate and the short joint connecting plate;
the upper chord butt joint plate is fixedly connected with the upper chord connecting plate through a first impact nail, the lower chord butt joint plate is fixedly connected with the lower chord connecting plate through a second impact nail, and the web short joint butt joint plate is fixedly connected with the short joint connecting plate through a third impact nail;
the upper chord butt joint plate and the lower chord butt joint plate are arranged in parallel, and the web short joint butt joint plate is perpendicular to the upper chord butt joint plate and the lower chord butt joint plate;
and the distance between the upper chord butt joint plate and the lower chord butt joint plate is consistent with the distance between the upper chord plate and the lower chord plate of the steel truss girder to be installed.
2. The installation and positioning device for the short joints of the web members of the steel trussed beams as claimed in claim 1, wherein: the number of the web short joint butt-joint plates is one;
the upper chord butt joint plate, the lower chord butt joint plate and the web short joint butt joint plate form an I-shaped structure.
3. The installation and positioning device for the short joints of the web members of the steel trussed beams as claimed in claim 1, wherein: the number of the web short joint butt-joint plates is two;
the upper chord butt joint plate, the lower chord butt joint plate and the two web short joint butt joint plates form a box-shaped structure.
4. A method for installing and positioning a short joint of a web member of a steel truss girder is characterized in that the method is based on the device for installing and positioning the short joint of the web member of the steel truss girder in claim 1; and performing the following steps:
respectively abutting the upper chord butt joint plate and the lower chord butt joint plate against the edges of the upper chord plate and the lower chord plate of the steel truss girder;
fixing the upper chord connecting plate on the upper chord plate through the mounting hole on the upper chord plate;
fixing the lower chord connecting plate on the lower chord plate through a mounting hole on the lower chord plate;
and arranging the web short joint to be installed by referring to the position adjustment of the web short joint butt joint plate, fixing the web short joint to be installed on the web short joint butt joint plate through an installation hole on the web short joint to be installed, and positioning the web short joint to be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290546.4A CN110900083B (en) | 2019-12-16 | 2019-12-16 | Steel truss web short joint installation positioning device and positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290546.4A CN110900083B (en) | 2019-12-16 | 2019-12-16 | Steel truss web short joint installation positioning device and positioning method |
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| CN110900083A true CN110900083A (en) | 2020-03-24 |
| CN110900083B CN110900083B (en) | 2023-01-31 |
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| EP0945210A1 (en) * | 1998-03-24 | 1999-09-29 | Federal-Mogul Sollinger Hütte GmbH | Girder welding method, in particular for lamellae used in roadway passage structures |
| CN201695323U (en) * | 2010-06-21 | 2011-01-05 | 上海市政工程设计研究总院 | Connecting structure for steel web member and concrete chord member |
| CN102937402A (en) * | 2012-11-14 | 2013-02-20 | 中铁九桥工程有限公司 | Detection process for hole group of parallelogram web member |
| CN106141475A (en) * | 2015-04-23 | 2016-11-23 | 五冶集团上海有限公司 | Using method for the servicing unit that welded H type bracket assembles |
| CN107178039A (en) * | 2017-06-16 | 2017-09-19 | 中铁宝桥集团有限公司 | A kind of angie type positioning assembly model and its installation method |
| CN107905108A (en) * | 2017-11-14 | 2018-04-13 | 宝鸡中铁宝桥天元实业发展有限公司 | Tubular arch bolted web member hole group's accuracy control method |
| CN208039001U (en) * | 2018-03-23 | 2018-11-02 | 中铁二院工程集团有限责任公司 | Steel reinforced concrete arch ring chord member construction, steel truss arch and the bridge of a kind of steel truss arch |
| CN108867314A (en) * | 2018-07-10 | 2018-11-23 | 中铁大桥局集团有限公司 | A kind of steel girder bridge joint construction method connected using bolt, weldering, riveting combination |
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2019
- 2019-12-16 CN CN201911290546.4A patent/CN110900083B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0945210A1 (en) * | 1998-03-24 | 1999-09-29 | Federal-Mogul Sollinger Hütte GmbH | Girder welding method, in particular for lamellae used in roadway passage structures |
| CN201695323U (en) * | 2010-06-21 | 2011-01-05 | 上海市政工程设计研究总院 | Connecting structure for steel web member and concrete chord member |
| CN102937402A (en) * | 2012-11-14 | 2013-02-20 | 中铁九桥工程有限公司 | Detection process for hole group of parallelogram web member |
| CN106141475A (en) * | 2015-04-23 | 2016-11-23 | 五冶集团上海有限公司 | Using method for the servicing unit that welded H type bracket assembles |
| CN107178039A (en) * | 2017-06-16 | 2017-09-19 | 中铁宝桥集团有限公司 | A kind of angie type positioning assembly model and its installation method |
| CN107905108A (en) * | 2017-11-14 | 2018-04-13 | 宝鸡中铁宝桥天元实业发展有限公司 | Tubular arch bolted web member hole group's accuracy control method |
| CN208039001U (en) * | 2018-03-23 | 2018-11-02 | 中铁二院工程集团有限责任公司 | Steel reinforced concrete arch ring chord member construction, steel truss arch and the bridge of a kind of steel truss arch |
| CN108867314A (en) * | 2018-07-10 | 2018-11-23 | 中铁大桥局集团有限公司 | A kind of steel girder bridge joint construction method connected using bolt, weldering, riveting combination |
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