CN105604085A - Substation frame column footing foundation bolt and mounting method thereof - Google Patents
Substation frame column footing foundation bolt and mounting method thereof Download PDFInfo
- Publication number
- CN105604085A CN105604085A CN201610123330.9A CN201610123330A CN105604085A CN 105604085 A CN105604085 A CN 105604085A CN 201610123330 A CN201610123330 A CN 201610123330A CN 105604085 A CN105604085 A CN 105604085A
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- bolt
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- nut
- steel plate
- circular steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a substation frame column footing foundation bolt and a mounting method thereof. The foundation bolt comprises bolts and nuts, with the bolts embedded inside a frame foundation; circular steel plates with the diameter as large as the inner diameter of bolt holes are arranged inside the bolt holes in a flange, the steel plates are provided with holes in set positions, the bolts pass through the holes arranged in the steel plates inside the flange and connect with the nuts. The invention has the advantages that the size of the bolt holes is designed into a sum of bolt diameter and allowable accumulative error, it is possible to facilitate the construction and avoid the failure of smooth mounting for a substation steel-pipe column frame connected via foundation bolts; the circular steel plates are arranged to avoid the problem that the bolt holes in the flange are greater than the foundation bolts in diameter, resulting in lateral sliding of the frame.
Description
Technical field
The present invention relates to transformer station's steel pipe column framework technical field, relate in particular to a kind of substation architecture suspension column foundation bolt andInstallation method.
Background technology
Switchyard structure is the general designation of the main supporting structure of the outdoor conductor such as electric substation, transformer station, equipment. It is according to power transformationElectric pressure, scale, apparatus arrangement, construction service condition and local weather conditions determine. According to electricCharacter, different electric pressures, require between wire, wire over the ground, to structures, requirement maintains a certain distance wire,Therefore switchyard structure feature is that post is high and section is tiny, belongs to large flexibility structure.
As shown in Figure 1, substation architecture comprises framework basis, some A word post framework columns and truss beam disposed thereon;At present, between transformer station's steel pipe A word post suspension column and framework basis, conventionally adopt foundation bolt or rim of a cup basis to be connected.
For foundation bolt connected mode, on first casting concrete basis of when construction, pre-embedded anchoring bolts in basis simultaneously,Truss beam, post transport scene to after factory process, behind assembling location, are connected with foot bolt fundamentally.
Show according to " electric power construction inspection of quality and assessment routine part 1: civil engineering " DL/T5210.1-201211.2.9, gooseneck assembled length deviation is ± 10mm; Meanwhile, table 11.3.7 specifies basic axis shift≤10mm. Therefore,Between framework basis and framework column, need can maximal regulated 20mm construction error, as shown in Figure 2.
But the connected mode of foundation bolt, by " base tail margin bolt hole size " JB/ZQ4171-97 regulation, the diameter of bolt8mm～160mm, the large 7～15mm of the respective bolt boring ratio diameter of bolt. Under accumulation of error situation, cannot regulate construction error,Cause framework column to install smoothly. Meanwhile, ring flange upper bolt hole is crossed conference than foundation bolt diameter and is caused framework side direction slidingMoving, there is potential safety hazard.
Summary of the invention
Object of the present invention is exactly when solving framework column foundation bolt and to connect, when framework processing and foundation construction error add up,The problem that causes framework column to install smoothly, provides a kind of substation architecture suspension column foundation bolt and installation method thereof.
For achieving the above object, the present invention adopts following technical proposals:
A kind of substation architecture suspension column foundation bolt, comprising: bolt and nut, and described bolt embedment enters framework basic internal;Bolt hole inside on described ring flange arranges the circular steel plate that diameter is identical with described bolt hole internal diameter, at described steelPerforate on the desired location of plate, described bolt is connected with nut through the hole being arranged on the inner steel plate of ring flange.
Further, described nut comprises plain nut and special nut; Described plain nut and special nut all connect with boltConnect, described special nut is arranged between plain nut and ring flange.
Further, described special nut is terrace with edge shape or prismatic, described special nut top shape and size and commonNut matches.
Further, the thickness of described circular steel plate is identical with flange thickness.
Further, on described circular steel plate, the position of perforate is determined according to the physical location of bolt.
Further, on described circular steel plate, the internal diameter of institute's perforate is identical with the diameter of bolt.
Further, the diameter of supposing bolt is d, specification allowable error aggregate-value is a, described ring flange upper bolt holeAperture is d+a.
An installation method for substation architecture suspension column foundation bolt, comprising:
(1) calculate flange thickness t and foundation bolt diameter d, determine allowable error aggregate-value a;
(2), according to column bolt diameter d, on ring flange, offer the bolt hole that diameter is d+a;
(3) definitely plain nut opposite side distance corresponding to foot bolt diameter d from s and thickness m; Design special nut size,The same plain nut of described nut top hexagon size, opposite side distance is from being s, and thickness is m, and bottom hexagon opposite side distance is from being s+a,Thickness is m+a;
(4) at factory process framework column and ring flange, pre-embedded anchoring bolts on framework basis at the construction field (site);
(5) mounting frame post, according to practice of construction alignment error, after measurement in the opposite position place perforate of circular steel plate;
(6) circular steel plate is installed in the bolt hole on ring flange;
(7) bolt through the perforate on circular steel plate after connecting edge bench-type nut and plain nut successively.
Further, in described step (5), the practice of construction alignment error of Measurement architecture post, determines spiral shell according to described errorThe actual installation position of bolt, offers diameter and spiral shell according to the actual installation position of bolt in the corresponding position of circular steel plateThe circular hole that bolt diameter is identical.
Further, in described step (5), opening diameter is d+1.5mm.
The invention has the beneficial effects as follows:
The size of the present invention's bolt hole is set to the diameter of bolt and the summation that allows cumulative errors, for adopting foundation bolt to connectThe transformer station's steel pipe column framework connecing, can convenient construction, avoids installing smoothly. Circular arranging of steel plate can be avoided methodBlue dish upper bolt hole and the framework lateral sliding problem that cause more excessive than foundation bolt diameter.
The design of the special nut of the present invention, nut bottom shape and circular steel plate match, and can play fixing circular steel plateEffect.
Brief description of the drawings
Fig. 1 is substation architecture schematic diagram;
Fig. 2 is the signal of regulation and stipulation error;
Fig. 3 (a) is alignment error schematic diagram;
Fig. 3 (b) is circular steel plate perforate schematic diagram;
Fig. 4 (a) is special nut floor map;
Fig. 4 (b) is special nut sectional schematic diagram;
Fig. 5 is schematic diagram after foundation bolt of the present invention is installed.
Wherein, 1. truss beam, 2. framework column, 3. bolt hole, 4. bolt, 5. circular steel plate, 6. ring flange, 7. special spiral shellCap, 8. plain nut, 9. framework basis.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Framework column 2 is connected with framework basis 9 by foundation bolt 4, and truss beam 1 is arranged on framework column 2; Foundation bolt 4 is pre-Imbed in framework basis 9, framework column 2 process and foundation construction process in all there will be error, existing foundation bolt 4 is tiedStructure may appear at error when cumulative, the problem that framework column 2 cannot mate with foundation bolt 4, thus cause the framework column 2 cannotInstall smoothly.
The invention discloses a kind of substation architecture post 2 pin foundation bolts 4, as shown in Figure 5, comprising: bolt 4 and nut, spiral shellBolt 4 is embedded into 9 inside, framework basis; It is identical with bolt hole 3 internal diameters that bolt hole 3 inside on ring flange 6 arrange diameterCircular steel plate 5, perforate on the desired location of steel plate, bolt 4 connects through the hole and the nut that are arranged on the inner steel plate of ring flange 6Connect.
Ring flange 6 upper bolt hole 3 holes are designed by d (diameter that d is foundation bolt)+a (specification allowable error aggregate-value),Simultaneously the supply circular steel plate 5 of thickness t (t is the thickness of ring flange 6), diameter d+a of framework processing factory. Treat initial structure groupSet behind position, according to construction error accumulation situation, after in-site measurement, perforate on circular steel plate 5, then fills in ring flange 6In bolt hole 3. As shown in Fig. 3 (a) and Fig. 3 (b), by foundation bolt structure of the present invention, bolt 4 can arrangeIn the position not corresponding with bolt hole 3 central points, and by the setting of circular steel plate 5, framework column 2 can not be gone outExisting lateral sliding.
As shown in Fig. 4 (a) and Fig. 4 (b), special nut 7 is terrace with edge shape or prismatic, and top hexagon size is with generalLogical nut 8, opposite side distance is from being s, and bottom hexagon opposite side distance is from being s+a, and thickness is m+a.
The installation method that the invention also discloses a kind of substation architecture post 2 pin foundation bolts 4, comprising:
1, calculate flange thickness t and foundation bolt 4 diameter d by Section 5.9 of " GBJ135-90 " GB50135, look intoRead current specifications and (include but not limited to " electric power construction inspection of quality and assessment routine part 1: civil engineering " DL/T5210.1), according to allowing construction error to determine framework column 2 aggregate-value a;
2,, according to bolt 4 diameter d, on ring flange 6, offer the bolt hole 3 of size for d+a;
3, consult " 1 type hex nut-A level and B level " GB6170, obtain plain nut pair corresponding to foundation bolt diameter dIdentity distance is from s and thickness m; Design special nut, is terrace with edge shape or prismatic, and hexagon size same plain nut in top is rightBack gauge is s, and thickness is m, and bottom hexagon opposite side distance is from being s+a, and thickness is m+a.
4, after publishing picture, factory process framework column 2, ring flange 6 and the circle identical with bolt hole 3 sizes of offering on ring flange 6Shape steel plate 5, job site pre-embedded bolt 4;
5, mounting frame post 2 after arrival, according to practice of construction alignment error, after measurement in the corresponding position of circular steel plate 5The hole that processing size is identical with bolt 4 diameters;
6, circular steel plate 5 is installed;
7, bolt 4 is installed special nut 7 and plain nut 8 successively through after circular steel plate 5.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned, not to protection domain of the present inventionRestriction, one of ordinary skill in the art should be understood that those skilled in the art do not need on the basis of technical scheme of the present inventionPay various amendments that creative work can make or distortion still in protection scope of the present invention.
Claims (10)
1. a substation architecture suspension column foundation bolt, comprising: bolt and nut, and described bolt embedment enters framework basic internal;It is characterized in that, the bolt hole inside on described ring flange arranges the circular steel plate that diameter is identical with described bolt hole internal diameter,Perforate on the desired location of described steel plate, described bolt is connected with nut through the hole being arranged on the inner steel plate of ring flange.
2. a kind of substation architecture suspension column foundation bolt as claimed in claim 1, is characterized in that, described nut comprises commonNut and special nut; Described plain nut is all connected with bolt with special nut, and described special nut is arranged on plain nutAnd between ring flange.
3. a kind of substation architecture suspension column foundation bolt as claimed in claim 2, is characterized in that, described special nut is ribPlatform shape, described special nut top shape and size and plain nut match; Described special nut bottom size is greater than flangeThe size of the bolt hole on dish.
4. a kind of substation architecture suspension column foundation bolt as claimed in claim 1, is characterized in that, described circular steel plate thickSpend identical with flange thickness.
5. a kind of substation architecture suspension column foundation bolt as claimed in claim 1, is characterized in that, on described circular steel plate, opensThe position in hole is determined according to the physical location of bolt.
6. a kind of substation architecture suspension column foundation bolt as claimed in claim 1, is characterized in that institute on described circular steel plateThe internal diameter of perforate is identical with the diameter of bolt.
7. a kind of substation architecture suspension column foundation bolt as claimed in claim 1, is characterized in that, supposes that the diameter of bolt isD, specification allowable error aggregate-value is a, the aperture of described ring flange upper bolt hole is d+a.
8. an installation method for the arbitrary substation architecture suspension column foundation bolt as described in claim 1-7, is characterized in that, bagDraw together:
(1) calculate flange thickness t and foundation bolt diameter d, determine allowable error aggregate-value a;
(2), according to column bolt diameter d, on ring flange, offer the bolt hole that diameter is d+a;
(3) definitely plain nut opposite side distance corresponding to foot bolt diameter d from s and thickness m; Design special nut size,The same plain nut of described nut top hexagon size, opposite side distance is from being s, and thickness is m, and bottom hexagon opposite side distance is from being s+a,Thickness is m+a;
(4) at factory process framework column and ring flange, pre-embedded anchoring bolts on framework basis at the construction field (site);
(5) mounting frame post, according to practice of construction alignment error, after measurement in the opposite position place perforate of circular steel plate;
(6) circular steel plate is installed in the bolt hole on ring flange;
(7) bolt connects special nut and plain nut after passing the perforate on circular steel plate successively.
9. the installation method of a kind of substation architecture suspension column foundation bolt as claimed in claim 8, is characterized in that, described stepSuddenly in (5), the practice of construction alignment error of Measurement architecture post, determines the actual installation position of bolt, root according to described errorThe circular hole that diameter is identical with the diameter of bolt is offered in the corresponding position of circular steel plate in actual installation position according to bolt.
10. the installation method of a kind of substation architecture suspension column foundation bolt as claimed in claim 8, is characterized in that, described inIn step (5), opening diameter is d+1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123330.9A CN105604085B (en) | 2016-03-03 | 2016-03-03 | Substation architecture suspension column foundation bolt and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123330.9A CN105604085B (en) | 2016-03-03 | 2016-03-03 | Substation architecture suspension column foundation bolt and its installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105604085A true CN105604085A (en) | 2016-05-25 |
| CN105604085B CN105604085B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123330.9A Active CN105604085B (en) | 2016-03-03 | 2016-03-03 | Substation architecture suspension column foundation bolt and its installation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100525A (en) * | 2016-07-27 | 2016-11-09 | 成都聚合追阳科技有限公司 | A kind of light gathering photovoltaic power generating system reinforces pedestal mounting process |
| CN106195535A (en) * | 2016-07-09 | 2016-12-07 | 成都聚合追阳科技有限公司 | A kind of condensation photovoltaic pre-embedded anchoring bolts securing plate mounting process |
| CN106294940A (en) * | 2016-07-28 | 2017-01-04 | 浙江大学 | A kind of large-scale bending in space round steel pipe multiple operation cumulative error control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003171944A (en) * | 2001-09-28 | 2003-06-20 | Tsuneo Goto | Spiral foundation |
| CN101705693A (en) * | 2009-11-06 | 2010-05-12 | 天津二十冶建设有限公司 | Method for integrally fixing and installing foundation bolts with large diameter |
| CN202989940U (en) * | 2012-12-11 | 2013-06-12 | 河南第一火电建设公司 | Single-layered foundation bolt cage |
| CN103669957A (en) * | 2013-12-10 | 2014-03-26 | 国家电网公司 | V-shaped framework hoisting construction method |
| CN205444228U (en) * | 2016-03-03 | 2016-08-10 | 内蒙古鲁电蒙源电力工程有限公司 | Framework column base rag bolt of transformer substation |
-
2016
- 2016-03-03 CN CN201610123330.9A patent/CN105604085B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003171944A (en) * | 2001-09-28 | 2003-06-20 | Tsuneo Goto | Spiral foundation |
| CN101705693A (en) * | 2009-11-06 | 2010-05-12 | 天津二十冶建设有限公司 | Method for integrally fixing and installing foundation bolts with large diameter |
| CN202989940U (en) * | 2012-12-11 | 2013-06-12 | 河南第一火电建设公司 | Single-layered foundation bolt cage |
| CN103669957A (en) * | 2013-12-10 | 2014-03-26 | 国家电网公司 | V-shaped framework hoisting construction method |
| CN205444228U (en) * | 2016-03-03 | 2016-08-10 | 内蒙古鲁电蒙源电力工程有限公司 | Framework column base rag bolt of transformer substation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195535A (en) * | 2016-07-09 | 2016-12-07 | 成都聚合追阳科技有限公司 | A kind of condensation photovoltaic pre-embedded anchoring bolts securing plate mounting process |
| CN106100525A (en) * | 2016-07-27 | 2016-11-09 | 成都聚合追阳科技有限公司 | A kind of light gathering photovoltaic power generating system reinforces pedestal mounting process |
| CN106294940A (en) * | 2016-07-28 | 2017-01-04 | 浙江大学 | A kind of large-scale bending in space round steel pipe multiple operation cumulative error control method |
| CN106294940B (en) * | 2016-07-28 | 2019-03-29 | 浙江大学 | A kind of space large size bending round steel pipe multi-process accumulated error control method |
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| Publication number | Publication date |
|---|---|
| CN105604085B (en) | 2017-10-13 |
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