CN205777090U - A kind of sliding steel truss structure for long-span roofing - Google Patents
A kind of sliding steel truss structure for long-span roofing Download PDFInfo
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- CN205777090U CN205777090U CN201620632124.6U CN201620632124U CN205777090U CN 205777090 U CN205777090 U CN 205777090U CN 201620632124 U CN201620632124 U CN 201620632124U CN 205777090 U CN205777090 U CN 205777090U
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- truss
- piston shoes
- span
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- arch truss
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Abstract
The utility model discloses a kind of sliding steel truss structure for long-span roofing, single Pin arch truss is spliced by three sections of truss, and the lower edge of arch truss is provided with steel cable；This utility model uses the mode arranging support jig, and multistage large-span truss is implemented segmentation lifting, in the air assembly；Use and arrange long guideway on parapet, support jig arranges the mode of short lead rail, implements multidigit and arranges the multiple spot promotion program of slip device；The bracket strong point of truss is separated by the mode using additional bracket piston shoes with the sliding scope of operation of guide rail, the steel cable solving large-span truss is first installed in high-altitude, the construction Difficulties of rear sliding, make multistage large-span truss the most assembled, the installation method of many truss structures integral slipping is achieved, and has reduction construction cost, improves efficiency of construction and the reliable advantage of construction safety.
Description
Technical field
This utility model relates to large-span truss manufacture and the installation of manufacture of steel structure and construction and installation technical field, especially
It it is a kind of sliding steel truss structure for long-span roofing.
Background technology
Along with the construction and development of heavy construction venue, large-span truss manufacture and installation are had higher requirement,
Current large-span truss is divided into overall manufacture to lift and segmentation manufacture installation at high altitude two class scheme, there is problems of, the former,
Being restricted by transport, construction site and hanging device, the development to large-span truss causes serious restriction.The latter,
Installing engineering is complicated, needs to set up substantial amounts of height scaffolding, and not only assembly, welding job amount are huge, and exist relatively
Big quality, security risk, difficulty of construction is relatively big, and can have a great impact the construction period of whole engineering；Especially
Multistage large-span steel cable truss space mounting and sliding construction in place are had higher requirement.
There is problems of, 1., multistage large-span steel cable truss space splicing after, for not assembling support bar and steel
The truss of drag-line, is affected by arch truss self rigidity, and the relative stability of truss self stress system is poor, not only to truss
The strain of self is difficult to control to, and during implementing sliding construction, truss there is also the danger of unstability, it is impossible to just implement sliding
Position is installed；2., sliding guide rails assembling between the bracket of structural column, need to take effective guide supporting measure, i.e. all
Set up bracing frame between structural column, thus produce extra support man-hour and expense；3., the two ends strong point being located of truss with
The sliding scope of operation of guide rail overlaps, and affects the dismounting operation difficulty being located and adjusting operation, guide rail at truss, causes workman to exist
Bigger security risk is there is big when facing limit work high above the ground.
Utility model content
The purpose of this utility model is a kind of sliding for long-span roofing provided for the deficiencies in the prior art
Steel truss structure, this utility model uses the mode arranging bracket piston shoes at the two ends of single Pin arch truss 1, by large-span truss
The stress point at two ends moves to parapet from bracket, uses the sliding promotion program arranging long guideway on parapet, by truss
The bracket strong point separate with the sliding scope of operation of guide rail, the steel cable solving large-span truss is first installed in high-altitude, is slided afterwards
The construction Difficulties moved so that multistage large-span truss is the most assembled, and the installation method of many truss structures integral slipping is achieved,
There is reduction construction cost, improve efficiency of construction and the reliable advantage of construction safety.
The concrete technical scheme realizing this utility model purpose is:
A kind of sliding steel truss structure for long-span roofing, its feature includes single Pin arch truss and bracket piston shoes,
Described single Pin arch truss is spliced by multistage truss, and the two-end-point of arch truss is provided with mounting seat, piston shoes seat and steel ropes
Tool, is provided with steel cable along lower edge between two steel ropes of arch truss, is provided with several support between arch truss and steel cable
Bar；Described bracket piston shoes are structural member, its one side is provided with the tip interface of arch truss, another side is provided with piston shoes hanger,
Bottom is provided with slidable panels, and slidable panels is provided with piston shoes gathering sill；Described bracket piston shoes are two pieces, respectively through bracket piston shoes
Tip interface is arranged on the piston shoes seat at arch truss two ends, and makes slidable panels be placed on long guideway, piston shoes gathering sill clamping
Dual-side at long guideway.
This utility model uses the mode arranging bracket piston shoes at the two ends of single Pin arch truss, by large-span truss two ends
Stress point move to parapet from bracket, use the sliding promotion program that long guideway is set on parapet, by the cattle of truss
The lower limb strong point separates with the sliding scope of operation of guide rail, and the steel cable solving large-span truss first installs in high-altitude, rear sliding
Construction Difficulties so that multistage large-span truss is the most assembled, the installation method of many truss structures integral slipping is achieved, and has
Reduce construction cost, improve efficiency of construction and the reliable advantage of construction safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model arch truss；
Fig. 2 is the mounting structure schematic diagram of this utility model arch truss；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural representation amplified at the A of Fig. 2；
Fig. 5 is the B structural representation to partial enlargement of Fig. 2；
Fig. 6 is the C structural representation to partial enlargement of Fig. 2；
Fig. 7 is the use view of self-crawling type hydraulic jack.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is further described below.
Embodiment
Refering to Fig. 1, Fig. 2, Fig. 3, this utility model with manufacture and the installing engineering of certain sports center's venue arch truss is
Example, this arch truss 1 is multistage large-span truss structure, and described arch truss 1 totally 10 Pin, each single Pin are by three sections of truss even
Connecing and form, the two-end-point of arch truss 1 is provided with mounting seat 11, piston shoes seat 12 and steel rope 14, two steel ropes of arch truss 1
It is provided with steel cable 13 along lower edge between tool 14, between arch truss 1 and steel cable 13, is provided with several support bar 16.
Refering to Fig. 1, Fig. 2, Fig. 3, the installation method of this utility model truss is as follows, being arranged on of this venue arch truss 1
Carry out after civil engineering completion, reality after i.e. symmetrically arranged parapet 7 completes outside two row's structural columns 8 of civil engineering and structural column 8
Execute；Owing to being limited by construction site and loop wheel machine elevating capacity, arch truss 1 cannot use traditional overall lifting in situ, but
Use list truss structure segmentation lifting, in the air assembly, the installation method of many truss structures integral slipping；
For convenience of narration, the span direction between two row's structural columns 8 being arch truss 1 is about set to laterally, by parapet 7
Direction along the line is about set to longitudinally, the fore-and-aft distance of adjacent two structural columns 8 is about set to the standard width of a room in an old-style house away from, be embodied as step as follows:
A), the making of bracket piston shoes 2
Refering to Fig. 2, Fig. 4, Fig. 5, described bracket piston shoes 2 are rectangular structural member, and its one side is provided with the termination of arch truss 1
Interface 21, another side are provided with piston shoes hanger 22, bottom is provided with slidable panels, and slidable panels is provided with piston shoes gathering sill 23.
B), the making of anchor ear 5
Refering to Fig. 2, Fig. 6, described anchor ear 5 is the rectangle framework that four blocks of plates enclose, and its one side is provided with anchor ear hanger
52, bottom is provided with slidable panels, and slidable panels is provided with anchor ear gathering sill 53.
C), the setting of support jig
Refering to Fig. 2, Fig. 3, Fig. 6, longitudinally parallel on ground two groups of support jigs 3, the longitudinal axis of support jig 3 are set
Line position is the most corresponding with arch truss 1 junction, the longitudinal size of support jig 3 more than standard width of a room in an old-style house away from.
D), the setting of guide rail
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, for realizing the accumulation slippage of truss, this utility model edge is longitudinally at both sides parapet
On be arranged in parallel long guideway 41, along longitudinally be arranged in parallel on two support jigs 3 short lead rail 42, and long guideway 41, short lead rail 42
It is arranged in parallel.
E), the high-altitude of arch truss is installed
Refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4, it is contemplated that factors such as component length, transport, crane capacities, single truss structure need to divide three
Section makes transport and shows up. the three sections of arch trusses 1 constituting a Pin are winched to respectively structural column and support jig 3, support jig 3 with
Between support jig 3 and support jig 3 and structural column, splicing is implemented in the junction of arch truss 1 by two support jigs 3,
Arch truss 1 installs support bar 16 and steel cable 13 after having spliced, and the disposable stretch-draw of Suo Li of steel cable 13 puts in place.
F), the installation of bracket piston shoes
Refering to Fig. 2, Fig. 4, the piston shoes seat 12 at arch truss 1 two ends is installed bracket piston shoes 2, by the end of bracket piston shoes 2
Head interface 21 is connected with the piston shoes seat 12 of arch truss 1, and makes slidable panels be placed on long guideway 41, piston shoes gathering sill 23 clamping
Dual-side at long guideway 41.
G), the installation of anchor ear
Refering to Fig. 2, Fig. 6, anchor ear 5 is installed in the junction of arch truss 1, and makes the sliding surface of anchor ear 5 be placed in short lead rail
On 42, anchor ear gathering sill 53 is connected to the dual-side of short lead rail 42.
H), the installation of slip device
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, described slip device selects self-crawling type hydraulic jack 6, self-crawling type hydraulic jack
Top 6 is four, and self-crawling type hydraulic jack 6 is provided with automatic telescopic folder 61 and hinge eyes 62, and automatic telescopic folder 61 is respectively provided at
On long guideway 41 or short lead rail 42, hinge eyes 62 respectively with the piston shoes hanger 22 on bracket piston shoes 2 or the anchor ear hanger on anchor ear 5
52 is hinged；This utility model is provided with the position of anchor ear 5 in the middle part of arch truss 1 and arranges two strong points, at arch truss 1 two ends
Head is provided with the position of bracket piston shoes 2 and arranges two strong points.
I), the accumulation slippage of single Pin arch truss 1
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, it is located on the bracket piston shoes 2 at arch truss 1 two ends and on the anchor ear 5 of two, middle part
Four self-crawling type hydraulic jack 6 use computer to synchronize to drive control, and the batch (-type) four self-crawling type hydraulic jack 6 drives
Under Dong, arch truss 1 implements accumulation slippage along longitudinal on long guideway 41 and short lead rail 42；Use with 4 thrusting slips, protect
Demonstrate,prove the arch truss 1 stability in the large in slipping.
J), the accumulation slippage of many Pin arch truss 1
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7, connecting rod 15 is set between the arch truss 1 of two Pin or two more than Pin,
And drive the Pin arch truss 1 by support jig 3 by self-crawling type hydraulic jack 6, between self-crawling type hydraulic jack 6
Under formula of having a rest drives, by the transmission successively of connecting rod 15, many Pin arch truss 1 is sliding along longitudinally implementing accumulation on long guideway 41
Move, until many Pin arch truss 1 arrives separately at the installation position of counter structure post；This utility model utilizes hydraulic synchronization sliding skill
Art, uses computer to synchronize to drive control, it is ensured that self-crawling type hydraulic jack 6 runs simultaneously；What this utility model used climbs certainly
The automatic telescopic folder 61 of formula hydraulic jack 6 has unidirectional self-lock effect, and when cylinder ejector, automatic telescopic folder 61 is by long guideway
41 or short lead rail 42 auto lock；When oil cylinder is retracted, automatic telescopic folder 61 unclamps automatically with long guideway 41 or short lead rail 42, from
Dynamic telescopic clamp 61 is pulled by oil cylinder, moves at long guideway 41 or short lead rail 42 and moves a step, treats that oil cylinder ejects again, promote arch truss
1 implements accumulation slippage.
K), the dismounting of slip device
Refering to Fig. 2, Fig. 5, Fig. 6, the automatic telescopic in self-crawling type hydraulic jack 6 is pressed from both sides 61 from long guideway 41 and short lead rail
Separating on 42, the hinge eyes 62 piston shoes hanger 22 from bracket piston shoes 2 and the anchor ear hanger 25 on anchor ear 5 are separated, dismounting is certainly
Climb formula hydraulic jack 6.
L), anchor ear and the dismounting of bracket piston shoes
Refering to Fig. 2, Fig. 4, now the anchor ear 5 of arch truss 1 junction is separated, then with jack, arch truss 1 is pushed up
Rise, make the slidable panels of bracket piston shoes 2 depart from long guideway 41, and by the tip interface 21 of bracket piston shoes 2 from arch truss 1
Separating on piston shoes seat 12, discharge jack, the mounting seat 11 of arch truss 1 is seated on structural column 8 and adjusts and fasten, making arch
The overall steadily unloading of shape truss 1 is in place.
M), guide rail and the dismounting of support jig
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, remove the long guideway 41 arranged on parapet, remove setting on support jig 3
Short lead rail 42, finally removes support jig 3, and large-span truss accumulation slippage installs.
This utility model uses and arch truss 1 completes on support jig 3 splicing, the assembling of steel cable 13 i.e. steel cable
The disposable stretch-draw of Suo Li of 13 puts in place；Use bracket piston shoes 2, anchor ear 5 as the stress point of arch truss 1, use computer same
Step controls to implement multidigit and arranges the multiple spot promotion program of slip device；Make multistage large-span truss the most assembled, many Pin purlin
The installation method of frame integral slipping is achieved.
Claims (1)
1. the sliding steel truss structure for long-span roofing, it is characterised in that it includes single Pin arch truss (1) and cattle
Lower limb piston shoes (2), described single Pin arch truss (1) is spliced by multistage truss, and the two-end-point of arch truss (1) is provided with mounting seat
(11), piston shoes seat (12) and steel rope (14), be provided with steel cable along lower edge between two steel ropes (14) of arch truss (1)
(13), several support bar (16) it is provided with between arch truss (1) and steel cable (13)；Described bracket piston shoes (2) are structural member, its
One side is provided with the tip interface (21) of arch truss (1), another side is provided with piston shoes hanger (22), bottom is provided with sliding surface
Plate, slidable panels is provided with piston shoes gathering sill (23)；Described bracket piston shoes (2) are two pieces, respectively through the termination of bracket piston shoes (2)
Interface (21) is arranged on the piston shoes seat (12) at arch truss (1) two ends, and makes slidable panels be placed on long guideway (41), piston shoes
Gathering sill (23) is connected to the dual-side of long guideway (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632124.6U CN205777090U (en) | 2016-06-24 | 2016-06-24 | A kind of sliding steel truss structure for long-span roofing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632124.6U CN205777090U (en) | 2016-06-24 | 2016-06-24 | A kind of sliding steel truss structure for long-span roofing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205777090U true CN205777090U (en) | 2016-12-07 |
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ID=58130190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620632124.6U Active CN205777090U (en) | 2016-06-24 | 2016-06-24 | A kind of sliding steel truss structure for long-span roofing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205777090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240069A (en) * | 2018-03-23 | 2018-07-03 | 中建二局安装工程有限公司 | A kind of large span multi-section combined truss roof structure system and its construction method |
| CN112982793A (en) * | 2021-02-08 | 2021-06-18 | 清华大学建筑设计研究院有限公司 | Super-large span heavy-load prestressed space truss based on topological optimization principle |
-
2016
- 2016-06-24 CN CN201620632124.6U patent/CN205777090U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240069A (en) * | 2018-03-23 | 2018-07-03 | 中建二局安装工程有限公司 | A kind of large span multi-section combined truss roof structure system and its construction method |
| CN108240069B (en) * | 2018-03-23 | 2023-10-20 | 中建二局安装工程有限公司 | Large-span multi-section combined truss roof structure system and construction method thereof |
| CN112982793A (en) * | 2021-02-08 | 2021-06-18 | 清华大学建筑设计研究院有限公司 | Super-large span heavy-load prestressed space truss based on topological optimization principle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |