CN111979892A - Quick connecting device suitable for assembly type steel truss bridge and installation method - Google Patents
Quick connecting device suitable for assembly type steel truss bridge and installation method Download PDFInfo
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- CN111979892A CN111979892A CN202010960738.8A CN202010960738A CN111979892A CN 111979892 A CN111979892 A CN 111979892A CN 202010960738 A CN202010960738 A CN 202010960738A CN 111979892 A CN111979892 A CN 111979892A
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- pin hole
- groove
- steel truss
- assembled steel
- positioning
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 title claims description 4
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 230000002349 favourable effect Effects 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
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration 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
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Classifications
-
- 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
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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
- 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
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- 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. 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 bridge construction channel has the main characteristics of modular design of a steel structure, high erection speed and high economical efficiency, and is widely adopted all over the world.
The assembled steel truss bridge for the temporary bridge construction channel consists of four parts, namely a truss girder, a bridge deck system, a connecting system and a foundation, and is provided with a special erecting tool, wherein the truss girder consists of truss units, pins, end posts, reinforcing chords, bolts, chord screws and the like, the truss units are connected in series, the female heads of two adjacent truss units are spliced with the male heads, and the spliced female heads are in pin joint with the male heads through the pins. However, the most lack of location structure of male head in the female of current truss unit, the easy dislocation after female and male are pegged graft leads to seting up the pinhole on female and male and can not be quick adjusting well, and the quick of the pin of being not convenient for penetrates, and the efficiency of construction is lower.
In view of the above, the present invention provides a quick connection device and a mounting method for an assembled steel truss bridge, which are improved in view of the conventional problems, and aims to solve the problems and improve the practical value by using the technology.
Disclosure of Invention
The invention aims to provide a quick connecting device and a mounting method suitable for an assembled steel truss bridge, which are reasonable in structure and effectively improve the 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 outside convex lug respectively, and the upper and lower part correspondence of the truss unit other end 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.
Furthermore, the positioning mechanism comprises a positioning block arranged on the bottom surface of the projection, and a positioning groove for inserting the positioning block is arranged on the supporting plate of the groove.
Further, the locating piece is the isosceles trapezoid shape of handstand, the layer board of recess is run through to the constant head tank.
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 an inserting mode of the bolt.
Furthermore, 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.
Furthermore, the groove is composed 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.
Furthermore, the front end and the rear end of the supporting plate are respectively welded with the corresponding convex plates.
A mounting method of a quick connecting device suitable for an assembled steel truss bridge comprises the following steps:
(1) inserting a bump at one end of each truss unit into a groove at the other end of the adjacent truss unit, inserting a positioning block at the bottom surface of the bump into a positioning groove of a groove supporting plate, supporting the bottom surface of the bump on the top surface of the supporting plate of the groove, and quickly aligning a first pin hole and a second pin hole;
(2) and inserting the pin into the first pin hole and the second pin hole to complete the connection of the convex block and the groove.
Compared with the prior art, the invention has the following advantages:
1. this device is convenient for through layer board support lug through setting up the layer board for lug and recess are difficult for misplacing from top to bottom after pegging graft, and through setting up locating piece and constant head tank, the locating of the locating piece of being convenient for and the constant head tank make lug and recess be difficult for controlling the dislocation after pegging graft, are favorable to first pinhole and second pinhole adjusting well fast, and the pin of being convenient for penetrates fast, improves the efficiency of construction.
2. The quick connecting device for the assembled steel truss bridge and the mounting method have the advantages that the structure is reasonable, dislocation is not prone to occurring during mounting, pin holes are convenient to align, penetration of pins is convenient, and construction efficiency is high through improvement of the quick connecting device suitable for the assembled steel truss bridge and the mounting method, and therefore the problems and the defects in the background art are effectively solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of area A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the area B in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the axial structure of the area B 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-projection 3-positioning block 4-first pin hole 5-groove 51-convex plate 6-supporting plate 7-positioning hole 8-second pin hole 9-pin.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to fig. 1 to 5
The utility model provides a quick connecting device suitable for assembled steel truss bridge, includes truss unit 1, the upper and lower part of one end of truss unit is provided with outside convex lug 2 respectively, and the upper and lower part correspondence of the truss unit other end 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 6 top surfaces of layer board of recess for the lug is difficult for misplacing from top to bottom after pegging graft with the recess. And a positioning mechanism and a plug pin connecting mechanism are arranged between the groove and the lug.
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 the dislocation after pegging graft with the recess, is favorable to the quick location of bolt connection structure.
In this embodiment, the locating piece is the isosceles trapezoid shape of handstand, the layer board of recess is run through to the constant head tank to make things convenient for the locating piece to insert the constant head tank.
In this embodiment, in order to realize the quick connection and the quick alignment of the pin holes, the pin connection mechanism includes a first pin hole 4 longitudinally disposed on the protrusion, a second pin hole 8 longitudinally disposed on the groove and corresponding to the first pin hole, and the first pin hole and the second pin hole are fixed by the insertion of a 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 the convex plates 51 which are arranged at the front and rear sides of the other end of the truss unit and extend outwards, and the supporting plate 6 which is 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 support plate are respectively welded to the corresponding flanges.
A mounting method of a quick connecting device suitable for an assembled steel truss bridge comprises the following steps:
(1) the projection at one end of each 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 projection is inserted into the positioning groove of the groove supporting plate, the bottom surface of the projection is supported on the top surface of the supporting plate of the groove, so that the projection is not easy to misplace up and down after being spliced with the groove, and the positioning block is matched with the positioning groove in a positioning way, so that the projection is not easy to misplace left and right after being spliced with the groove, and the rapid alignment of the first pin hole and the second pin hole is facilitated, and the pin can conveniently;
(2) and inserting the pin into the first pin hole and the second pin hole to complete the connection of the convex block and the groove.
Where the terms "first," "second," and the like are used herein to define elements, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes 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 above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various quick connecting devices suitable for assembly type steel truss bridges can be designed without inventive labor based on the teachings of the present invention, and all equivalent changes, modifications, substitutions and alterations made without departing from the spirit and scope of the present invention as defined by the appended claims should fall within the scope of the present invention.
Claims (8)
1. The utility model provides a quick connecting device suitable for assembled steel truss bridge, includes the truss unit, its characterized in that, the upper and lower part of one end of truss unit is provided with outside convex lug respectively, and the upper and lower part correspondence of the truss unit other end 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.
2. The quick connecting device for the assembled steel truss bridge as claimed in claim 1, wherein the positioning mechanism comprises a positioning block disposed on the bottom surface of the projection, and the supporting plate of the groove is provided with a positioning slot for inserting the positioning block.
3. The quick-connect device for an assembled steel truss bridge as claimed in claim 2, wherein the positioning block is in the shape of an inverted isosceles trapezoid, and the positioning slot extends through the support plate of the groove.
4. The quick connecting device for the assembled steel truss bridge as claimed in claim 2 or 3, wherein the pin connecting mechanism comprises a first pin hole longitudinally arranged on the projection, a second pin hole longitudinally arranged on the groove and corresponding to the first pin hole, and the first pin hole and the second pin hole are fixed by inserting the pin.
5. The quick-connect device for assembled steel truss bridge of claim 4, wherein the first pin hole and the positioning block are located on the same vertical plane, and the second pin hole and the positioning slot are located on the same vertical plane.
6. The quick connecting device for the assembled steel truss bridge as claimed in claim 1, 2, 3 or 5, wherein the groove is composed of the protruding plates disposed at the front and rear sides of the other end of the truss unit and extending outward and the support plate fixed between the lower parts of the protruding plates.
7. The quick-connect device for an assembled steel truss bridge as claimed in claim 6, wherein the front and rear ends of the supporting plate are welded to the corresponding flanges respectively.
8. An installation method of the quick connecting device suitable for the assembled steel truss bridge of claim 4 is characterized by comprising the following steps:
(1) inserting a bump at one end of each truss unit into a groove at the other end of the adjacent truss unit, inserting a positioning block at the bottom surface of the bump into a positioning groove of a groove supporting plate, supporting the bottom surface of the bump on the top surface of the groove supporting plate, and quickly aligning a first pin hole and a second pin hole;
(2) and inserting the pin into the first pin hole and the second pin hole to complete the connection of the convex block 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 true CN111979892A (en) | 2020-11-24 |
| CN111979892B 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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| Country | Link |
|---|---|
| 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 |
|---|
| 罗文艺等: "复杂交通下的梁段吊装施工工法", 安徽建筑, vol. 26, no. 1, 25 January 2019 (2019-01-25), pages 92 - 97 * |
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| Publication number | Publication date |
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| CN111979892B (en) | 2024-05-31 |
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