CN208328662U - A kind of combinable folding steel truss - Google Patents
A kind of combinable folding steel truss Download PDFInfo
- Publication number
- CN208328662U CN208328662U CN201820917938.3U CN201820917938U CN208328662U CN 208328662 U CN208328662 U CN 208328662U CN 201820917938 U CN201820917938 U CN 201820917938U CN 208328662 U CN208328662 U CN 208328662U
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- CN
- China
- Prior art keywords
- steel truss
- connecting plate
- frame body
- folding
- folding rod
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Abstract
The utility model relates to a kind of combinable folding steel truss, first connecting plate of the first steel truss body end of steel truss and the second connecting plate of the second steel truss body end are detachably connected, first steel truss frame body setting third connecting plate symmetrical above and below, second steel truss frame body, 4th connecting plate of setting symmetrical above and below, third connecting plate is wherein detachably connected one end by the first folding rod and the 5th connecting plate, 4th connecting plate is detachably connected by the second folding rod and the 5th connecting plate other end, 5th connecting plate is detachably connected with third steel truss frame body and the 4th steel truss frame body respectively, third steel truss frame body is detachably connected with the 4th steel truss frame body by the connecting plate of end.Manufacturing process be will steel truss each section carry out preassembling after fold, to carrying out secondary assembly behind scene, steel truss convenient transportation and quick-assembling at the scene is may be implemented in this method for transport.
Description
Technical field
The utility model relates to Construction of Civil Engineering fields, concretely relate to a kind of combinable collapsible steel truss
Frame.
Background technique
In recent years, being constantly progressive with China's building construction technology, the especially fast development in bridge construction field,
Building element shows the features such as weight is big, span is big, in irregular shape.Due to truss structure have simple processing, span it is big,
The advantages that stress intensity and rigidity are high, use condition is flexible, so that truss structure is used as temporary support in construction process
Applicable cases it is more and more common, especially suitable for span or the biggish structure of height.But due to steel truss weight ratio itself
Larger, length is longer, and generally at 5 meters or more, rod piece and node are more, and construction is complex, and splicing needs to expend a large amount of
Time, while carry and hoist process is also required to expend therefore how very big manpower and material resources realize the carrying of steel truss faster
Lifting, saves the time, while not influencing construction precision requirement, becomes and primarily solve the problems, such as at present.
Summary of the invention
The problem of for background technique, in order to overcome the deficiencies of the prior art, the utility model, disclose one kind and can spell
The folding steel truss of dress solves the problems, such as original steel truss since length is too long not convenient for transportation, while realizing steel truss
Quick-assembling at the scene.
A kind of combinable folding steel truss, including the first steel truss frame body, the first steel truss body end
First connecting plate and the second connecting plate of the second steel truss body end are detachably connected, right above and below the first steel truss frame body
Claim setting third connecting plate, 4th connecting plate of the second steel truss frame body setting symmetrical above and below, the third connecting plate and the
Wherein one end is detachably connected one folding rod, and the first folding rod other end is wherein detachably connected one end with the 5th connecting plate, institute
Stating the 4th connecting plate, wherein one end is detachably connected with the second folding rod, the second folding rod other end and the 5th connecting plate other end
It is detachably connected, the 5th connecting plate is detachably connected with third steel truss frame body and the 4th steel truss frame body respectively, described
It is detachably connected between third steel truss frame body and the 4th steel truss frame body by the connecting plate of end；Initial installation stage, the
One folding rod, the second folding rod can be rotated rotating around respective tie point, final service stage, the first folding rod, the second folding rod
It is locked at each tie point.
Preferably, the 5th connecting plate is U-shaped board；
Preferably, first connecting plate is detachably connected with the second connecting plate by bolt and nut；
Preferably, elastic washer and plain washer are set between the nut and the first connecting plate or the second connecting plate；
Preferably, the third connecting plate and the first steel truss frame body weld, the 4th connecting plate and the second steel truss
Main body welding；
Preferably, the both ends of first folding rod pass through bolt respectively and third connecting plate, the 5th connecting plate are detachable
Connection；
Preferably, the both ends of second folding rod pass through bolt respectively and the 4th connecting plate, the 5th connecting plate are detachable
Connection；
The production method that a kind of folding steel truss is also disclosed in the application, the specific steps are as follows:
Step 1. determines shape, the size of steel truss frame body, designs the size and installation site of each connector；
Step 2. in steel construction processing factory to the first steel truss frame body and the second steel truss frame body and related fittings into
Row preassembling；
Step 3. folds the steel truss of preassembling, using on crane lifting to transport vehicle, is transported to construction site；
The steel truss of folding is unfolded and is carried out secondary splicing by step 4., and entire steel truss is lifted into designated position, and
By the 5th connecting plate and other be connected by screw bolts close to steel truss.
After the completion of step 5. splicing, whole bolts are tightened, are completed final assembled；
Preferably, preassembling process is as follows in the step 2:
Third connecting plate and the first steel truss frame body are welded, the 4th connecting plate and the second steel truss frame body are welded,
His connecting plate and folding rod are connected by screw bolts；
Preferably, folding process is as follows in the step 3:
Second steel truss frame body is rotated into 180 degree around the tie point of the second folding rod and the second connecting plate, first is folded
Bar rotates set angle around the tie point of the first folding rod and the first connecting plate.
Beneficial effect acquired by the utility model is:
1. original longer steel truss is decomposed into two shorter steel truss by the utility model, and is connected by using square
Two short truss is carried out opposite folding by the folding system of plate, folding rod, bolt composition.Original steel truss is solved due to length
Long problem not convenient for transportation is spent, and occupied area when stacking can be reduced；
2. although carrying out secondary spelling at the truss scene of transporting original truss is divided into two parts by the utility model
Become a whole steel truss after dress again, directly primary lifting is in place.It overcomes and long truss was divided into multiple portions originally, so
The shortcomings that lifting by several times afterwards, waste of time；
3. connecting plate, folding rod not only form folding system in the utility model, but also as adjacent when final assembled
Linked system between steel truss frame body.Can either keep the spacing between adjacent steel truss, but can undertake adjacent truss it
Between active force, and between adjacent steel truss constitute a truss structure, to guarantee the stabilization and construction of entire girder system
Safety.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is that the utility model carries out the schematic diagram after preassembling in steel construction processing space；
Fig. 2 is the utility model folded state schematic diagram before shipping；
Fig. 3 is that the utility model carries out the schematic diagram after secondary assembly at the construction field (site)；
Fig. 4 is schematic diagram of the utility model after final assembly；
In figure, 1- the first steel truss frame body, 2- the second steel truss frame body, the first connecting plate of 3-, the second connecting plate of 4-, 5-
Three connecting plates, the 4th connecting plate of 6-, the first folding rod of 7-, the second folding rod of 8-, the 5th connecting plate of 9-, 10- third steel truss master
Body, the 4th steel truss frame body of 11-.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Term is explained:
1, "upper", "lower" are to be horizontally arranged for steel truss compared with stock, place when institute vertically compared with quarter butt in the utility model
For the position at place；
2, " initial installation stage " refers to that the first steel truss connect with the second steel truss and can realize folding in the utility model
The stage of azido functional；
3, " final service stage " refers to that the first steel truss is connect with the second steel truss in the utility model, and passes through the 5th
Connecting plate is connect with third steel truss and the 4th steel truss, the state that all connection bolts are tightened.
A kind of combinable folding steel truss as shown in Figs 1-4, the first connecting plate of 1 end of the first steel truss frame body
3 are fixed with the second connecting plate 4 of 2 end of the second steel truss frame body by bolt and nut, and nut and the first connecting plate 3 or second connect
It is arranged to add to pretightning force between fishplate bar 4, prevents the elastic washer loosened and for reducing friction, preventing the plain cushion loosened
Circle；
The welding third connecting plate 5 symmetrical above and below of first steel truss frame body 1, the second steel truss frame body 2 welding symmetrical above and below the
Four connecting plates 6, third connecting plate 5 are wherein fixed one end by bolt and the first folding rod 7,7 other end of the first folding rod and
Five connecting plates 9 are wherein bolted one end, and the 5th connecting plate 9 is U-shaped board, and the 4th connecting plate 6 passes through bolt and the second folding
Folded bar 8 wherein fix by one end, and 8 other end of the second folding rod is bolted with 9 other end of the 5th connecting plate, the 5th connecting plate
9 are bolted with third steel truss frame body 10 and the 4th steel truss frame body 11 respectively, third steel truss frame body 10 and the 4th
It is fixed by the connecting plate of end with bolt between steel truss frame body 11.
The production method that a kind of assembling type steel truss is also disclosed in the application, the specific steps are as follows:
Step 1. determines the shape of steel truss frame body, size according to practice of construction scheme and relevant design specification, and according to
Actual requirement of engineering designs the welding position of third connecting plate 5 and the 4th connecting plate 6, the first folding rod 7 and the second folding rod 8
The position of opening and bore size of length, the size of the 5th connecting plate 9 and each component；
Step 2. is in steel construction processing factory to the first steel truss frame body 1 and the second steel truss frame body 2 and related fittings
Carry out preassembling；It is assembled that detailed process is as follows: third connecting plate 5 is welded to the designated position of the first steel truss frame body 1, the 4th
Connecting plate 6 is welded to the designated position of the second steel truss frame body 2, and the first folding rod 7 is bolt-connected to third connecting plate
5, the second folding rod 8 is bolt-connected to the 4th connecting plate 6, the first folding rod 7 and the second folding rod 8 are connected by bolt
It is connected to the 5th connecting plate 9, bolt need not be tightened, and tightness guarantees that bolt does not fall off and will not influence the phase between each component
To rotation, the preassembling of the first steel truss 1 and the second steel truss 2 is completed, schematic diagram is shown in attached drawing 1；
Step 3. folds the steel truss of preassembling, and folding process is as follows: by the second steel truss frame body 2 around the second folding
The tie point of folded bar 8 and the second connecting plate 6 rotation 180 degree, by the first folding rod 7 around the first folding rod 7 and the first connecting plate 5
Tie point rotates set angle, and the first steel truss frame body 1 and the second steel truss frame body 2 are in doubled state at this time.Entire steel truss
Frame length is only the length of the first steel truss frame body 1 or the second steel truss frame body 2；The unification of folded steel truss is stacked,
When needing, folded steel truss is lifted on transport vehicle using crane, is transported to construction site；
The steel truss of folding is unfolded and is carried out secondary splicing, the first connection of 1 end of the first steel truss frame body by step 4.
Second connecting plate 4 of 2 end of plate 3 and the second steel truss frame body penetrates bolt, is spelled with nut and elastic washer and plain washer
It connects；Steel truss after secondary assembly is lifted into designated position, realizes and passes through connecting plate for third steel truss 10 and the 4th steel truss
Frame 11 is bottled, and the 5th connecting plate 9 is connected by screw bolts with third steel truss 10 and the 4th steel truss 11.
After the completion of step 5. splicing, whole bolts are tightened, are completed final assembled.
It is dismantled after the completion of steel truss use, it is identical when state is with completion preassembling after dismounting, then according to attached
It is folded shown in Fig. 3, then concentration stacks or transports next project site and utilized again.
For operation instruction disclosed above, it can be realized those skilled in the art or using originally practical new
Type.A variety of modifications of these application methods will be readily apparent to those skilled in the art, institute herein
The General Principle of definition can be real in other embodiments without departing from the spirit or scope of the present utility model
It is existing.Therefore, the utility model is not intended to be limited to application method shown in this article, and is to fit to and original disclosed herein
Manage the widest scope consistent with features of novelty.
Claims (7)
1. a kind of combinable folding steel truss, which is characterized in that including the first steel truss frame body, the first steel truss master
First connecting plate in body end portion and the second connecting plate of the second steel truss body end are detachably connected, the first steel truss master
Body setting third connecting plate symmetrical above and below, 4th connecting plate of the second steel truss frame body setting symmetrical above and below, the third connect
Wherein one end is detachably connected fishplate bar with the first folding rod, and wherein one end is detachable with the 5th connecting plate for the first folding rod other end
Connection, wherein one end is detachably connected the 4th connecting plate with the second folding rod, and the second folding rod other end is connect with the 5th
The plate other end is detachably connected, and the 5th connecting plate detachably connects with third steel truss frame body and the 4th steel truss frame body respectively
It connects, is detachably connected between the third steel truss frame body and the 4th steel truss frame body by the connecting plate of end；Initial installation
Stage, the first folding rod, the second folding rod can be rotated rotating around respective tie point, final service stage, the first folding rod, second
It is locked at each tie point of folding rod.
2. a kind of combinable folding steel truss as described in claim 1, which is characterized in that the 5th connecting plate is U
Template.
3. a kind of combinable folding steel truss as claimed in claim 2, which is characterized in that first connecting plate and the
Two connecting plates are detachably connected by bolt and nut.
4. a kind of combinable folding steel truss as claimed in claim 3, which is characterized in that the nut is connect with first
Elastic washer and plain washer are set between plate or the second connecting plate.
5. a kind of combinable folding steel truss as described in claim 1, which is characterized in that the third connecting plate and the
The welding of one steel truss frame body, the 4th connecting plate and the second steel truss frame body weld.
6. a kind of combinable folding steel truss as described in claim 1, which is characterized in that the two of first folding rod
End is detachably connected by bolt and third connecting plate, the 5th connecting plate respectively.
7. a kind of combinable folding steel truss as described in claim 1, which is characterized in that the two of second folding rod
End is fixed by bolt and the 4th connecting plate, the 5th connecting plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917938.3U CN208328662U (en) | 2018-06-13 | 2018-06-13 | A kind of combinable folding steel truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917938.3U CN208328662U (en) | 2018-06-13 | 2018-06-13 | A kind of combinable folding steel truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208328662U true CN208328662U (en) | 2019-01-04 |
Family
ID=64770537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820917938.3U Expired - Fee Related CN208328662U (en) | 2018-06-13 | 2018-06-13 | A kind of combinable folding steel truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208328662U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517766A (en) * | 2018-06-13 | 2018-09-11 | 山东高速泰东公路有限公司 | A kind of combinable folding steel truss and production method |
| CN113550223A (en) * | 2021-08-23 | 2021-10-26 | 江苏京沪重工有限公司 | Pre-assembly process of truss bridge with double-assembly bolt holes |
| CN116378304A (en) * | 2023-05-09 | 2023-07-04 | 中信建设有限责任公司 | Steel truss and assembling construction method thereof |
-
2018
- 2018-06-13 CN CN201820917938.3U patent/CN208328662U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517766A (en) * | 2018-06-13 | 2018-09-11 | 山东高速泰东公路有限公司 | A kind of combinable folding steel truss and production method |
| CN108517766B (en) * | 2018-06-13 | 2023-10-27 | 山东高速泰东公路有限公司 | Spliced folding steel truss and manufacturing method thereof |
| CN113550223A (en) * | 2021-08-23 | 2021-10-26 | 江苏京沪重工有限公司 | Pre-assembly process of truss bridge with double-assembly bolt holes |
| CN116378304A (en) * | 2023-05-09 | 2023-07-04 | 中信建设有限责任公司 | Steel truss and assembling construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |