CN111979892B - Quick connecting device suitable for assembled steel truss bridge and mounting method - Google Patents
Quick connecting device suitable for assembled steel truss bridge and mounting method Download PDFInfo
- Publication number
- CN111979892B CN111979892B CN202010960738.8A CN202010960738A CN111979892B CN 111979892 B CN111979892 B CN 111979892B CN 202010960738 A CN202010960738 A CN 202010960738A CN 111979892 B CN111979892 B CN 111979892B
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- groove
- pin hole
- positioning
- truss
- convex
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- E01D6/00—Truss-type bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a quick connecting device and a mounting method suitable for an assembled steel truss bridge, wherein the quick connecting device comprises truss units, the upper part and the lower part of one end of each truss unit are respectively provided with outwards protruding lugs, the upper part and the lower part of the other end of each truss unit are correspondingly provided with grooves for inserting the lugs on the adjacent truss units, and a positioning mechanism and a bolt connecting mechanism are arranged between the grooves and the lugs. The device is rational in infrastructure, effectively improves the efficiency of construction.
Description
Technical Field
The invention relates to a quick connecting device suitable for an assembled steel truss bridge and an installation method.
Background
The assembled steel truss bridge for the temporary passage of bridge construction is mainly characterized by steel structure modular design, high erection speed and good economy, and is widely used worldwide.
The assembly steel truss bridge for the temporary channel of bridge construction consists of four parts including truss girder, bridge deck system, connecting system, foundation and special erection tools, wherein the truss girder consists of truss units, pins, end posts, reinforcing chords, bolts, chord screws and the like, a plurality of truss units are connected in series, female heads and male heads of two adjacent truss units are connected in an inserting mode, and the female heads and the male heads after being connected in an inserting mode are connected in a pin mode. However, most of the female heads of the existing truss units lack positioning structures of male heads, the female heads and the male heads are easy to misplace after being spliced, so that pin holes formed in the female heads and the male heads cannot be aligned quickly, quick penetration of pins is inconvenient, and construction efficiency is low.
In view of the above, the present invention provides a quick connection device and a mounting method for an assembled steel truss bridge, which aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The invention aims to provide a quick connecting device and an installation method suitable for an assembled steel truss bridge, and the device is reasonable in structure and effectively improves construction efficiency.
The technical scheme of the invention is as follows: the utility model provides a quick connecting device suitable for assembled steel truss bridge, includes the truss unit, the upper and lower part of one end of truss unit is provided with outwards convex lug respectively, and the upper and lower part of truss unit other end corresponds and is provided with the lug male recess that is used for on the adjacent truss unit, be provided with positioning mechanism and bolt coupling mechanism between recess and the lug.
Further, the positioning mechanism comprises a positioning block arranged on the bottom surface of the convex block, and a positioning groove for inserting the positioning block is formed in the supporting plate of the groove.
Further, the positioning block is in an inverted isosceles trapezoid shape, and the positioning groove penetrates through the supporting plate of the groove.
Further, the bolt connecting mechanism comprises a first pin hole longitudinally arranged on the protruding block, a second pin hole corresponding to the first pin hole is longitudinally arranged on the groove, and the first pin hole and the second pin hole are fixed in a bolt penetrating mode.
Further, the first pin hole and the positioning block are located on the same vertical plane, and the second pin hole and the positioning groove are located on the same vertical plane.
Further, the groove is composed of convex plates which are arranged at the front and rear sides of the other end of the truss unit and extend outwards, and a supporting plate which is fixed between the lower parts of the two convex plates.
Further, the front end and the rear end of the supporting plate are respectively welded with the corresponding convex plates.
The method for installing the quick connecting device suitable for the fabricated steel truss bridge comprises the following steps:
(1) Inserting the convex blocks at one end of the truss units into the grooves at the other end of the adjacent truss units, inserting the positioning blocks at the bottom surfaces of the convex blocks into the positioning grooves of the groove supporting plates, supporting the bottom surfaces of the convex blocks on the top surfaces of the supporting plates of the grooves, and realizing quick alignment of the first pin holes and the second pin holes;
(2) And inserting the pin into the first pin hole and the second pin hole to complete the connection between the lug and the groove.
Compared with the prior art, the invention has the following advantages:
1. This device is convenient for through setting up the layer board, is convenient for support the lug through the layer board for the lug is difficult for dislocation from top to bottom after pegging graft with the recess, through setting up locating piece and constant head tank, the location of locating piece and constant head tank of being convenient for makes the lug be difficult for dislocation from side to side after pegging graft with the recess, is favorable to the quick alignment of first pinhole and second pinhole, and the quick penetration of the pin of being convenient for improves the efficiency of construction.
2. The device has the advantages of reasonable structure, difficult dislocation during installation, convenient pin hole alignment, convenient pin penetration and higher construction efficiency through the improvement of the quick connecting device and the installation method suitable for the fabricated steel truss bridge, thereby effectively solving the problems and the defects in the prior art.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the area A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the area B of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the structure of the B-zone of FIG. 1 according to the present invention;
FIG. 5 is a schematic view of a bump and groove connection structure according to the present invention;
In the figure: 1-truss unit 2-lug 3-locating block 4-first pin hole 5-groove 51-convex plate 6-supporting plate 7-locating slot 8-second pin hole 9-pin.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Referring to fig. 1 to 5
The utility model provides a quick connecting device suitable for assembled steel truss bridge, includes truss unit 1, truss unit's one end is provided with outside convex lug 2 on upper and lower part respectively, and truss unit's the upper and lower part of the other end corresponds and is provided with the lug male recess 5 that is used for on the adjacent truss unit, and the bottom surface of lug supports on the layer board 6 top surface of recess for be difficult for dislocation from top to bottom after lug and recess grafting. And a positioning mechanism and a bolt connecting mechanism are arranged between the groove and the convex block.
In this embodiment, positioning mechanism is including setting up in the locating piece 3 of lug bottom surface, be provided with on the layer board of recess and be used for locating piece male constant head tank 7 for the lug is difficult for controlling dislocation after pegging graft with the recess, is favorable to bolt connection structure quick positioning.
In this embodiment, the positioning block is in an inverted isosceles trapezoid shape, and the positioning groove penetrates through the supporting plate of the groove, so that the positioning block can be conveniently inserted into the positioning groove.
In this embodiment, in order to realize quick connection and quick alignment of the pin holes, the pin connection mechanism includes a first pin hole 4 longitudinally disposed on the bump, a second pin hole 8 corresponding to the first pin hole is longitudinally disposed on the groove, and the first pin hole and the second pin hole are fixed in a penetrating manner of the pin 9.
In this embodiment, the first pin hole and the positioning block are located on the same vertical plane, and the second pin hole and the positioning groove are located on the same vertical plane.
In this embodiment, the groove is composed of a convex plate 51 arranged at the front and rear sides of the other end of the truss unit and extending outwards, and a supporting plate 6 fixed between the lower parts of the two convex plates, and the positioning groove is arranged on the supporting plate.
In this embodiment, the front and rear ends of the supporting plate are welded with the corresponding convex plates respectively.
The method for installing the quick connecting device suitable for the fabricated steel truss bridge comprises the following steps:
(1) The lug at one end of the truss unit is inserted into the groove at the other end of the adjacent truss unit, the positioning block at the bottom surface of the lug is inserted into the positioning groove of the groove supporting plate, the bottom surface of the lug is supported on the top surface of the groove supporting plate, so that the lug is not easy to misplace up and down after being inserted into the groove, the positioning block is matched with the positioning groove in a positioning way, the lug is not easy to misplace left and right after being inserted into the groove, the quick alignment of the first pin hole and the second pin hole is facilitated, and the quick penetration of the pin into the first pin hole and the second pin hole is facilitated;
(2) And inserting the pin into the first pin hole and the second pin hole to complete the connection between the lug and the groove.
Where the terms "first," "second," and the like are used herein to define components, those skilled in the art will recognize: the use of "first" and "second" is used merely to facilitate distinguishing between components and not otherwise stated, and does not have a special meaning.
If the invention discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
The foregoing is merely illustrative of the principles and advantages of the invention, and it will be apparent to those skilled in the art that, in light of the teachings of this invention, numerous modifications can be made to the quick connect device suitable for use in an assembled steel truss bridge without the need for inventive faculty, and yet equivalent changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the invention as set forth in the appended claims.
Claims (3)
1. The quick connecting device suitable for the assembled steel truss bridge comprises truss units and is characterized in that an upper part and a lower part of one end of each truss unit are respectively provided with outwards protruding lugs, the upper part and the lower part of the other end of each truss unit are correspondingly provided with grooves for inserting the lugs on the adjacent truss units, and a positioning mechanism and a bolt connecting mechanism are arranged between the grooves and the lugs; the positioning mechanism comprises a positioning block arranged on the bottom surface of the convex block, and a positioning groove for inserting the positioning block is formed in the supporting plate of the groove; the positioning block is in an inverted isosceles trapezoid shape, and the positioning groove penetrates through the supporting plate of the groove; the bolt connecting mechanism comprises a first pin hole longitudinally arranged on the convex block, a second pin hole corresponding to the first pin hole is longitudinally arranged on the groove, and the first pin hole and the second pin hole are fixed in a bolt penetrating mode; the first pin hole and the positioning block are positioned on the same vertical plane, and the second pin hole and the positioning groove are positioned on the same vertical plane; the groove consists of convex plates which are arranged at the front side and the rear side of the other end of the truss unit and extend outwards, and a supporting plate which is fixed between the lower parts of the two convex plates.
2. A quick connect assembly for fabricated steel truss bridge as defined in claim 1 wherein said pallet is welded at its front and rear ends to corresponding flanges.
3. A method for installing a quick connect device for fabricated steel truss bridge as defined in claim 1, comprising the steps of:
(1) Inserting the convex blocks at one end of the truss units into the grooves at the other end of the adjacent truss units, inserting the positioning blocks at the bottom surfaces of the convex blocks into the positioning grooves of the groove supporting plates, supporting the bottom surfaces of the convex blocks on the top surfaces of the groove supporting plates, and realizing quick alignment between the first pin holes and the second pin holes;
(2) And inserting the pin into the first pin hole and the second pin hole to complete the connection between the lug and the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010960738.8A CN111979892B (en) | 2020-09-14 | 2020-09-14 | Quick connecting device suitable for assembled steel truss bridge and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010960738.8A CN111979892B (en) | 2020-09-14 | 2020-09-14 | Quick connecting device suitable for assembled steel truss bridge and mounting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111979892A CN111979892A (en) | 2020-11-24 |
| CN111979892B true CN111979892B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010960738.8A Active CN111979892B (en) | 2020-09-14 | 2020-09-14 | Quick connecting device suitable for assembled steel truss bridge and mounting method |
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| CN (1) | CN111979892B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA430563A (en) * | 1945-10-09 | Nagin Harold | Portable bridge structure | |
| CN106592435A (en) * | 2016-12-13 | 2017-04-26 | 湖北华舟重工应急装备股份有限公司 | Transition truss for building large-span assembled steel bridge |
| CN109056497A (en) * | 2018-09-19 | 2018-12-21 | 江苏苏建路桥机械有限公司 | A kind of Soviet Union builds-novel combination type trusses |
| CN208857661U (en) * | 2018-07-27 | 2019-05-14 | 武汉市盘龙明达建筑有限公司 | A kind of joist of multiple rows of truss assembly |
| CN212426685U (en) * | 2020-09-14 | 2021-01-29 | 福州大学 | Quick connecting device suitable for assembled steel truss bridge |
-
2020
- 2020-09-14 CN CN202010960738.8A patent/CN111979892B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA430563A (en) * | 1945-10-09 | Nagin Harold | Portable bridge structure | |
| CN106592435A (en) * | 2016-12-13 | 2017-04-26 | 湖北华舟重工应急装备股份有限公司 | Transition truss for building large-span assembled steel bridge |
| CN208857661U (en) * | 2018-07-27 | 2019-05-14 | 武汉市盘龙明达建筑有限公司 | A kind of joist of multiple rows of truss assembly |
| CN109056497A (en) * | 2018-09-19 | 2018-12-21 | 江苏苏建路桥机械有限公司 | A kind of Soviet Union builds-novel combination type trusses |
| CN212426685U (en) * | 2020-09-14 | 2021-01-29 | 福州大学 | Quick connecting device suitable for assembled steel truss bridge |
Non-Patent Citations (1)
| Title |
|---|
| 复杂交通下的梁段吊装施工工法;罗文艺等;安徽建筑;20190125;第26卷(第1期);第92-97页 * |
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| Publication number | Publication date |
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| CN111979892A (en) | 2020-11-24 |
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