CN103031892B - Steel truss brace and manufacturing method for steel truss platform - Google Patents
Steel truss brace and manufacturing method for steel truss platform Download PDFInfo
- Publication number
- CN103031892B CN103031892B CN201210512643.5A CN201210512643A CN103031892B CN 103031892 B CN103031892 B CN 103031892B CN 201210512643 A CN201210512643 A CN 201210512643A CN 103031892 B CN103031892 B CN 103031892B
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- steel truss
- leveling
- nut
- levelling plate
- groove
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000004575 stone Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 description 6
- 239000008267 milk Substances 0.000 description 4
- 210000004080 milk Anatomy 0.000 description 4
- 235000013336 milk Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a steel truss brace and a manufacturing method for a steel truss platform and especially relates to the steel truss brace for realizing a leveling operation for a steel truss node by adjusting a leveling base in advance and the manufacturing method for manufacturing the steel truss platform by adopting the steel truss brace. The steel truss brace comprises a brace body and a brace head arranged at the upper end of the brace body, wherein a pouring slot is arranged on the brace head and the leveling base is arranged in the pouring slot. The design of the leveling base is adopted by the invention and a leveling nut is adjusted for realizing the pre-adjustment of a flatting plate; the preparation for manufacturing the steel truss platform is more effectively made; the structure is simple, the cost is low and the construction difficulty is small; the whole leveling difficulty of the steel truss node is reduced; the construction operation is easily performed; the construction mounting cost is lowered; the whole connecting property of the steel truss platform can be increased by adopting the leveling base; the platform precision is higher; the structure is more stable; the construction progress is quickened; and the working efficiency is increased.
Description
Technical field
The present invention relates to a kind of steel truss pillar and steel girder platform manufacture method, particularly relate to and a kind ofly realize in advance carrying out the steel truss pillar of leveling operation to Truss Joint and applying this steel truss pillar and manufacture the method for steel girder platform by adjustment leveling support.
Background technology
Mostly the support platform that current power station direct air-cooling system is used, be that adopting Reinforced Concrete Ring Section post and supporting with Reinforced Concrete Ring Section post is the steel girder platform that the steel truss that arranges of orthogonal space is formed; For the direct air cooling system of domestic 300MW, 600MW unit, at present, bearing (i.e. the column cap of the ferroconcrete prop) structure be connected for each node of ferroconcrete prop and steel truss adopts following two kinds of modes mostly:
Steel truss support structure one: this column cap structure is that ferroconcrete prop and steel truss are hinged and arrange the form of the spacing steelframe of gate-type; The spacing steelframe of gate-type at lower-chord panel point place, steel truss each angle, mainly plays when building project location experience sets up defences earthquake and rarely occurred earthquake, ensures that steel truss does not depart from concrete column cap, the effect of the large deformation of restriction column cap.This joints and force path are all comparatively complicated, and design of node is comparatively difficult, structure steel fabrication and installation comparatively difficulty.When steel truss integral installation is complete, realize the leveling work of bearing each point, very difficult, if assist leveling with large-scale lifting appliance, will the expense of the construction and installation of great number be produced.
Steel truss support structure two: this column cap structure is the form that reinforced concrete post and steel truss have just connect.Steel truss lower edge strengthens the multiple shearing resistance H profile steel of bottom support bracket plate lower weld of Nodes as shear key, and shear key upper end plate is connected with the stone bolt be embedded on column cap, and concrete secondary is poured into steel truss lower edge support plate bottom.Horizontal force is transmitted by shear key.This node susceptor design calculates very complicated, and steel work requirement on machining accuracy is strict, and processing and manufacturing difficulty is very large.When after steel truss integral installation, the leveling work of bearing each point cannot be realized, to the later stage, tube bundle support A type frame structure and windbreak etc. are installed and bring very large difficulty.
For above deficiency, the present invention is badly in need of providing a kind of new steel truss pillar and steel girder platform manufacture method.
Summary of the invention
The object of this invention is to provide a kind of steel truss pillar and steel girder platform manufacture method, this steel truss pillar realizes the object of Truss Joint being carried out to leveling operation in advance by adjustment leveling support.
The object of the invention is to be achieved through the following technical solutions: a kind of steel truss pillar, this pillar includes cylinder and is located at the column cap of this cylinder upper end, and described column cap is provided with builds groove, builds in groove be provided with leveling support at this.
Described leveling support comprises and is multiplely arranged on the levelling plate of building leveling connector in groove and being arranged on this leveling connector.
Described leveling connector comprises the stone bolt being arranged on and building in groove and the leveling nut being arranged on this stone bolt top.
Described stone bolt upper end and described levelling plate install, and described leveling nut is arranged on levelling plate bottom.
Described levelling plate is provided with shearing resistance hole.
Described groove of building is cone tank.
Described leveling nut comprises nut sleeve and is arranged on the supporting plate of nut sleeve bottom, described supporting plate is used for the levelling plate of support, described nut sleeve to be sleeved on described stone bolt and to install with described levelling plate, is provided with the nut for screwing in the upper end that this nut sleeve passes levelling plate.
Apply as steel truss pillar as described in any one manufactures a method for steel girder platform in above-mentioned, this manufacture method comprises the steps:
Leveling support is adjusted to the step meeting designing requirement by S1, adjustment leveling nut;
S2, by corresponding with leveling support for steel truss step of installing;
S3, to the step of building concreting grouting material in groove.
Also comprise the steps: in described step S1
Levelling plate is adjusted to level by S11, constructor;
Levelling plate is adjusted to and meets design elevation by S12, constructor.
Before described step S1, also comprise the step manufacturing leveling support, specifically comprise the steps:
By designing requirement pre-embedded anchoring bolts on cylinder;
Concreting buries stone bolt underground until form column cap;
Install corresponding with stone bolt for levelling plate.
The present invention compared with prior art has following advantage:
1, the present invention adopts the design of leveling support, is realized the pre-adjustment of levelling plate by adjustment leveling nut; Ready for better manufacturing steel girder platform; The simple low cost of its structure, difficulty of construction is little, Truss Joint Integral levelling difficulty is reduced, is easy to constructing operation, reduces construction and installation expense; Adopt this leveling support can improve steel girder platform integrated connection, and platform precision is higher, structure is more stable; Accelerate construction speed, improve operating efficiency.
2, leveling nut of the present invention adopts the design of nut sleeve, constructor can be made need not to stretch into build in groove constantly at the levelling plate of adjustment and screw, only can need realize at the nut of screw on nut set upper side, levelling plate upper end; In the process of screwing, the supporting plate of nut sleeve plays the effect of support propelling to levelling plate; Make leveling operation convenient, save construction speed, improve operating efficiency.
3, the present invention adopts and builds the design of groove, and this builds groove is that the cell wall of cone tank is provided with the chute of building for being in the milk; The area of described notch be greater than covering thereon look for platen area, to be in the milk to building in groove when secondary is built; When carrying out secondary and building, injected along chute by concrete grouting material and build in groove, under gravity, concrete grouting material automatically will be built groove and be filled, and make it build more even, closely knit; Improve the quality that secondary is built, by fast construction speed, the column cap structure after secondary is built is more firm, improves construction quality.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation (partial sectional view) of steel truss pillar in the present invention;
Fig. 2 is the structural representation (top view) of leveling support in the present invention;
Fig. 3 is the structural representation (partial sectional view) of leveling nut in the present invention;
Fig. 4 is the step block diagram of steel girder platform manufacture method in the present invention.
Detailed description of the invention
Shown in Fig. 1, Fig. 2, steel truss pillar in the present embodiment, this pillar includes the cylinder 1 that steel concrete is built and the column cap 2 being located at this cylinder upper end, described column cap be provided with build for secondary build groove 3, build in groove at this leveling support be provided with for installing each node 4 of steel truss.
Leveling support described in the present embodiment comprises and is multiplely arranged on the levelling plate 6 of building leveling connector in groove 5 and being arranged on this leveling connector; Described levelling plate is corresponding with building groove to be arranged; Described levelling plate is used for install corresponding with the node base 7 of each node of steel truss.
The connector of leveling described in the present embodiment comprises and is embedded in the leveling nut 9 of building stone bolt in groove 8 and being arranged on this stone bolt top by concrete casting building technology; Build in the column cap of bottom land end described in being arranged on bottom stone bolt described in the present embodiment, this stone bolt upper end and described levelling plate install, and described leveling nut is arranged on levelling plate bottom, and the levelling plate of support; Be provided with four stone bolt in the present embodiment, the plug-in mounting position of each stone bolt is corresponding with described levelling plate corner location respectively, and described stone bolt is supported described levelling slab integral by leveling nut; By screwing leveling nut, regulate the horizontal level at each angle of levelling plate and levelling slab integral height.
The present invention adopts the design of leveling support, is realized the pre-adjustment of levelling plate by adjustment leveling nut; Ready for better manufacturing steel girder platform; The simple low cost of its structure, difficulty of construction is little, Truss Joint Integral levelling difficulty is reduced, is easy to constructing operation, reduces construction and installation expense; Adopt this leveling support can improve steel girder platform integrated connection, and platform precision is higher, structure is more stable; Accelerate construction speed, improve operating efficiency.
Levelling plate described in the present embodiment is provided with the shearing resistance hole 10 for installing shear key; The keyway 11 corresponding with this shearing resistance hole is provided with at described bottom land end of building.The shear key 12 for anti-horizontal shear is vertically coated with in described shearing resistance hole.Shear key described in the present embodiment is vertically set on each node base of steel truss, also according to practice of construction needs, can be installed and be arranged on levelling plate.
Building groove described in the present embodiment is cone tank, and its notch is rectangle; The cell wall that this builds groove is provided with the chute 13 of building for being in the milk.The area of described notch be greater than covering thereon look for platen area, to be in the milk to building in groove when secondary is built.The present invention adopts the design of building groove, and when carrying out secondary and building, injected along chute by concrete grouting material and build in groove, under gravity, concrete grouting material automatically will be built groove and be filled, and make it build more even, closely knit; Improve the quality that secondary is built, by fast construction speed, the column cap structure after secondary is built is more firm, improves construction quality.
Shown in Figure 3, more convenient for making constructor screw leveling nut in the present embodiment, leveling nut described in the present embodiment adopts the design of nut sleeve, this leveling nut comprises nut sleeve 14 and is arranged on the supporting plate 15 of nut sleeve bottom, described supporting plate is used for the levelling plate of support, described nut sleeve to be sleeved on described stone bolt and to install with described levelling plate, is provided with the nut 16 for screwing in the upper end that this nut sleeve passes levelling plate; Adopt the design of this kind of leveling nut, constructor can be made need not to stretch into build in groove constantly screw at the levelling plate of adjustment, only can need realize at the nut of screw on nut set upper side, levelling plate upper end; In the process of screwing, the supporting plate of nut sleeve plays the effect of support propelling to levelling plate.
The pillar of steel truss described in the present embodiment is used for supporting steel truss, and described steel truss and steel truss pillar constitute steel girder platform, and described steel truss pillar is corresponding with the node base on steel truss four corner node to be arranged; The rectangular in cross-section of steel truss described in the present embodiment, this steel truss comprises four corner nodes and is erected at each internodal tube bundle support A type frame structure (belong to prior art, do not show in figure); Node bottom on described steel truss four angles is equipped with node base, and described node base is connected with described pillar by leveling support, and this node base is vertical hinged setting by vertically disposed shear key and leveling support; Node base is fixed as one by stone bolt and levelling plate; The clamp nut 17 for node base and levelling plate being fixed is provided with in stone bolt upper end.
Shown in Figure 4, apply in the present invention above-mentioned in steel truss pillar described in any one manufacture the method for steel girder platform, this manufacture method comprises the steps:
1, on cylinder, designing requirement pre-embedded anchoring bolts is pressed;
Concreting buries stone bolt underground until form column cap; Column cap shapingly builds groove through building; Next step is carried out after column cap concrete strength reaches 50% of design strength;
Install corresponding with stone bolt for levelling plate.
2, regulate leveling nut to be adjusted to by leveling support and meet designing requirement;
Levelling plate is adjusted to level by constructor;
Levelling plate is adjusted to and meets design elevation by constructor;
Adjusted by above-mentioned steps, can ensure each corner node of steel truss and each steel truss pillar absolute altitude consistent.
3, install corresponding with each leveling support respectively for the node at each for steel truss angle.
After its bulk strength of column cap concrete reaches 70% of design strength; To be sling steel truss by lifting appliance, the node at each for steel truss angle is installed on the leveling support corresponding with each node by the shear key correspondence on node base, the bottom of this shear key is penetrated by the shearing resistance hole on levelling plate builds in groove, and correspondingly with the keyway of building bottom land end arranges;
Node base is fixed as one by stone bolt and levelling plate; The clamp nut for node base and levelling plate being fixed is provided with in stone bolt upper end.
4, to building secondary concreting grouting material in groove; Before secondary is built, first with water, the groove face of building groove is rinsed well, high fluidity slightly expanded concrete grouting material is adopted to carry out column cap secondary build to building in groove again, grouting material liquid level is built to levelling plate bottom, make to build the stone bolt in groove, leveling nut together with shear key completely closely knit build fixing; Steel girder platform manufactures complete.
Claims (7)
1. for a steel truss pillar for power station direct air-cooling system, it is characterized in that: this pillar includes cylinder and is located at the column cap of this cylinder upper end, and described column cap is provided with builds groove, build in groove be provided with leveling support at this;
Described leveling support comprises and is multiplely arranged on the levelling plate of building leveling connector in groove and being arranged on this leveling connector;
Described leveling connector comprises the stone bolt being arranged on and building in groove and the leveling nut being arranged on this stone bolt top;
Described leveling nut comprises nut sleeve and is arranged on the supporting plate of nut sleeve bottom, described supporting plate is used for the levelling plate of support, described nut sleeve to be sleeved on described stone bolt and to install with described levelling plate, is provided with the nut for screwing in the upper end that this nut sleeve passes levelling plate.
2., as claimed in claim 1 for the steel truss pillar of power station direct air-cooling system, it is characterized in that: described stone bolt upper end and described levelling plate install, and described leveling nut is arranged on levelling plate bottom.
3., as claimed in claim 2 for the steel truss pillar of power station direct air-cooling system, it is characterized in that: described levelling plate is provided with shearing resistance hole.
4., as claimed in claim 3 for the steel truss pillar of power station direct air-cooling system, it is characterized in that: described in build groove be cone tank.
5. application is as manufactured a method for steel girder platform for the steel truss pillar of power station direct air-cooling system as described in any one in claim 1-4, it is characterized in that: this manufacture method comprises the steps:
Leveling support is adjusted to the step meeting designing requirement by S1, adjustment leveling nut;
S2, by corresponding with leveling support for steel truss step of installing;
S3, to the step of building concreting grouting material in groove.
6. method as claimed in claim 5, is characterized in that: also comprise the steps: in described step S1
Levelling plate is adjusted to the step of level by S11, constructor;
Levelling plate is adjusted to the step meeting design elevation by S12, constructor.
7. method as claimed in claim 6, is characterized in that: before described step S1, also comprise the step manufacturing leveling support, specifically comprise the steps:
By the step of designing requirement pre-embedded anchoring bolts on cylinder;
Concrete grouting material is built and is buried stone bolt underground until form the step of column cap;
By corresponding with stone bolt for the levelling plate step installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512643.5A CN103031892B (en) | 2012-12-04 | 2012-12-04 | Steel truss brace and manufacturing method for steel truss platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512643.5A CN103031892B (en) | 2012-12-04 | 2012-12-04 | Steel truss brace and manufacturing method for steel truss platform |
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| Publication Number | Publication Date |
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| CN103031892A CN103031892A (en) | 2013-04-10 |
| CN103031892B true CN103031892B (en) | 2015-03-04 |
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| CN201210512643.5A Expired - Fee Related CN103031892B (en) | 2012-12-04 | 2012-12-04 | Steel truss brace and manufacturing method for steel truss platform |
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| CN107324186A (en) * | 2017-08-31 | 2017-11-07 | 西继迅达（许昌）电梯有限公司 | Outdoor installs the levelling device and leveling construction method of elevator additional |
| CN109706956A (en) * | 2019-01-24 | 2019-05-03 | 沈阳建筑大学 | A kind of rectangular built-in fitting device with circular hole |
| CN110578371B (en) * | 2019-10-07 | 2024-03-29 | 山东华泰钢结构工程有限公司 | Super-huge steel structure supporting framework |
| CN115434269B (en) * | 2022-09-17 | 2024-05-17 | 浙江非凡传媒科技有限公司 | Barrier gate mounting structure of district access & exit |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4876759A (en) * | 1988-06-14 | 1989-10-31 | Yang Jesse S | Bridge expansion joint |
| CN1488815A (en) * | 2003-08-18 | 2004-04-14 | 斌 徐 | Comb board levelling apparatus for bomb type bridge stretching device and mounting method thereof |
| CN101644373A (en) * | 2008-08-06 | 2010-02-10 | 鞍钢电气有限责任公司 | Method for mounting bedding liner plate of motor foundation plate |
| CN101781912A (en) * | 2010-01-15 | 2010-07-21 | 赵正义 | Vertical positioning connection structure of tower body of tower mast mechanical equipment and foundation |
| CN101871265A (en) * | 2010-07-02 | 2010-10-27 | 中国十七冶集团有限公司 | Flat shim plate-adjustable grouting installation method |
| CN202073113U (en) * | 2011-04-07 | 2011-12-14 | 华锐风电科技(集团)股份有限公司 | Foundation bolt base post-grouting supporting device |
| CN102661000A (en) * | 2012-05-29 | 2012-09-12 | 广西建工集团第五建筑工程有限责任公司 | Elastic support for single-layer multi-camber steel-structured net rack with single-layer welded balls |
| CN102758445A (en) * | 2011-04-27 | 2012-10-31 | 华锐风电科技(集团)股份有限公司 | Foundation leveling device, foundation assembly and foundation forming method for wind driven generator tower |
| CN203008232U (en) * | 2012-12-04 | 2013-06-19 | 北京龙源冷却技术有限公司 | Steel truss strut |
-
2012
- 2012-12-04 CN CN201210512643.5A patent/CN103031892B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4876759A (en) * | 1988-06-14 | 1989-10-31 | Yang Jesse S | Bridge expansion joint |
| CN1488815A (en) * | 2003-08-18 | 2004-04-14 | 斌 徐 | Comb board levelling apparatus for bomb type bridge stretching device and mounting method thereof |
| CN101644373A (en) * | 2008-08-06 | 2010-02-10 | 鞍钢电气有限责任公司 | Method for mounting bedding liner plate of motor foundation plate |
| CN101781912A (en) * | 2010-01-15 | 2010-07-21 | 赵正义 | Vertical positioning connection structure of tower body of tower mast mechanical equipment and foundation |
| CN101871265A (en) * | 2010-07-02 | 2010-10-27 | 中国十七冶集团有限公司 | Flat shim plate-adjustable grouting installation method |
| CN202073113U (en) * | 2011-04-07 | 2011-12-14 | 华锐风电科技(集团)股份有限公司 | Foundation bolt base post-grouting supporting device |
| CN102758445A (en) * | 2011-04-27 | 2012-10-31 | 华锐风电科技(集团)股份有限公司 | Foundation leveling device, foundation assembly and foundation forming method for wind driven generator tower |
| CN102661000A (en) * | 2012-05-29 | 2012-09-12 | 广西建工集团第五建筑工程有限责任公司 | Elastic support for single-layer multi-camber steel-structured net rack with single-layer welded balls |
| CN203008232U (en) * | 2012-12-04 | 2013-06-19 | 北京龙源冷却技术有限公司 | Steel truss strut |
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