CN203808260U - Transformer substation continuous rigid frame single-tube beam capable of releasing temperature stress - Google Patents
Transformer substation continuous rigid frame single-tube beam capable of releasing temperature stress Download PDFInfo
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- CN203808260U CN203808260U CN201420206994.8U CN201420206994U CN203808260U CN 203808260 U CN203808260 U CN 203808260U CN 201420206994 U CN201420206994 U CN 201420206994U CN 203808260 U CN203808260 U CN 203808260U
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Abstract
The utility model discloses a transformer substation continuous rigid frame single-tube beam capable of releasing temperature stress. The single-tube beam solves the problem that due to the fact that stress of the singe-tube beam in the length direction is accumulated, the end support foundation is cracked. The single-tube beam comprises a single tube (2), an extending single tube (1) and a connecting tube (3). The left end of the connecting tube (3) is sleeved with a right end tube of the extending single tube (1), the right end of the connecting tube (3) is movably sleeved with a left end tube of the single tube (2), a lubricating grease layer (11) is arranged between the outer side wall of the right end of the connecting tube (3) and the inner side wall of the left end tube of the single tube (2), a single-end bolt (8) is connected between an extending single tube flange plate (6) and a single tube flange plate (7) in a penetrating mode, compression springs are arranged at the two ends of the single-head bolt (8) respectively, and an interval gap (15) is arranged between the side face of a right end opening of the extending single tube (1) and the side face of a left end opening of the single tube (2). The single-tube beam is particularly suitable for a continuous rigid frame needing to be lengthened when a transformer substation is expanded.
Description
Technical field
The present invention relates to a kind of single tube beam, particularly a kind of transformer station continuous rigid frame single tube beam.
Background technology
At present, in transformer station's high strength steel pipe post and beam structure framework, single tube beam is connected the affixed structure of employing conventionally with truss column, form continuous rigid frame, is provided with end dagger in the outer end of continuous rigid frame, and the lower end of end dagger is fixedly connected with by stone bolt with end dagger basis.Generally, the length of the continuous rigid frame of 220kV transformer station outlet is all less than or approaches 100 meters.In the time that transformer station extends, need to lengthen continuous rigid frame, the single tube beam of prolongation and former single tube beam are to adopt flange to be fixed together, and new end support group plinth and end dagger are set in the outer end of the single tube beam of Yan Changing, at this moment continuous rigid frame length has exceeded 100 meters.Due to the not process overall consideration of resistance to plucking Stability Design of new and old end support group plinth, in the time of environment temperature generation acute variation, the accumulative total of the stress in single tube beam length direction, makes new and old end support the uplift force standing and sharply increases, cause on end support group plinth and pull out unstability, form accident potential.
Summary of the invention
The invention provides a kind of transformer station's continuous rigid frame single tube beam that can release temperature stress, the accumulative total that has solved the stress in single tube beam length direction causes the technology of pulling out unstability on end support group plinth.
The present invention solves above technical problem by the following technical programs:
A kind of transformer station's continuous rigid frame single tube beam that can release temperature stress, comprise single tube, extend single tube and tube connector, on the left end inside wall of tube connector, be provided with the left enhancing steel ring of tube connector, on the right-hand member inside wall of tube connector, be provided with the right enhancing steel ring of tube connector, on the right output port lateral surface that extends single tube, be provided with and extend single tube flange, on the left port lateral surface of single tube, be provided with single tube flange, the left end of tube connector is socketed in the right-hand member pipe that extends single tube, the left end of tube connector is fixedly welded together with the inside wall that extends single tube, the right-hand member of tube connector is actively socketed in the left end pipe of single tube, between the right-hand member lateral wall of tube connector and the pipe inside wall of the left end of single tube, be provided with lubricant grease layer, between extension single tube flange and single tube flange, cross-under has single ended bolt, afterbody in single ended bolt is bolted with nut, between the spiral shell head of single ended bolt and single tube flange, be provided with right Compress Spring, between nut and extension single tube flange, be provided with left Compress Spring, between the extension right output port side of single tube and the left port side of single tube, be provided with spaced slot, between the lateral wall of tube connector and the left port of single tube, be provided with waterproof grommet.
The width of spaced slot is the length of left Compress Spring and the length sum of right Compress Spring, and the length of left Compress Spring equates with the length of right Compress Spring.
The width in gap is 100 millimeters, and the length of left Compress Spring and the length of right Compress Spring are 50 millimeters.
The present invention utilizes the inserting mode of extending single tube and former single tube, newly-built single tube beam and original single tube beam free-extension under thermal stresses are ensured, release temperature stress, the accumulative total of thermal stresses can not be acted on end support group plinth, greatly reduce the suffered uplift force of new and old end dagger, make new and old end support group plinth easily meet the requirement of resistance to plucking stability calculation, eliminated potential safety hazard.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of transformer station's continuous rigid frame single tube beam that can release temperature stress, comprise single tube 2, extend single tube 1 and tube connector 3, on the left end inside wall of tube connector 3, be provided with the left enhancing steel ring 4 of tube connector, on the right-hand member inside wall of tube connector 3, be provided with the right enhancing steel ring 5 of tube connector, on the right output port lateral surface that extends single tube 1, be provided with and extend single tube flange 6, on the left port lateral surface of single tube 2, be provided with single tube flange 7, the left end of tube connector 3 is socketed in the right-hand member pipe that extends single tube 1, the left end of tube connector 3 is fixedly welded together with the inside wall that extends single tube 1, the right-hand member of tube connector 3 is actively socketed in the left end pipe of single tube 2, between the right-hand member lateral wall of tube connector 3 and the pipe inside wall of the left end of single tube 2, be provided with lubricant grease layer 11, between extension single tube flange 6 and single tube flange 7, cross-under has single ended bolt 8, be bolted with nut 12 at the afterbody of single ended bolt 8, between the spiral shell head 14 of single ended bolt 8 and single tube flange 7, be provided with right Compress Spring 10, between nut 12 and extension single tube flange 6, be provided with left Compress Spring 9, between the extension right output port side of single tube 1 and the left port side of single tube 2, be provided with spaced slot 15, between the lateral wall of tube connector 3 and the left port of single tube 2, be provided with waterproof grommet 13.
The width of spaced slot 15 is the length of left Compress Spring 9 and the length sum of right Compress Spring 10, and the length of left Compress Spring 9 equates with the length of right Compress Spring 10.
The width △ of spaced slot 15 can be according to formula: △=α △ tL, wherein: α is single tube linear expansion coefficient; △ t is maximum temperature difference; L is the whole span of single tube beam; According to " Code for design of steel structures " 3.4.3, steel linear expansion coeffcient is α=12 × 10
-6, in the time of variations in temperature, to get maximum temperature difference 50 and spend, the length L of whole single tube beam is got 130 meters, the horizontal movement of crossbeam: △=α △ tL=12 × 10
-6× 50 × 130 × 10
3=78 millimeters, the width of general spaced slot 15 is got 100 millimeters, can adjust for this shrinkage joint of concrete engineering.
Tube connector 3 and single tube 2 and extend the determining of socket length of single tube 1: according to " aerial power transmission line Designing Steel Tube Pole regulation " 9.1.3 regulation, steel pipe is socketed the socket length of inner pipe joint, should be not less than and be inserted in 1.35 times of pipe maximum inner diameter.With reference to this regulation, if the diameter of tube connector 3 is 457 millimeters, socket gap is 10 millimeters, (457-10) × 1.35=603 millimeter, and tube connector 3 is inserted in single tube 2 and extends the socket length of single tube 1 and all should get 600 millimeter.
The length of the length of left Compress Spring 9 and right Compress Spring 10 be 50 millimeters for best, can ensure the deformation requirements of single tube beam under extreme subzero temperature effect, can prevent again the loosening of nut 12, for the extension of the stress deformation of single tube beam is provided with second insurance.
The width of the waterproof grommet 13 arranging between the lateral wall of tube connector 3 and the left port of single tube 2 is 10 millimeters.The setting of waterproof adhesive tape is in running middle sleeve, to infiltrate rainwater in order to prevent, its material is flexible simultaneously, goes back retractable.At tube connector 3 and single tube 2 and extend coating lubricating oil fat layer 11 between single tube 1, be to reduce friction when ensureing malformation, be beneficial to being free to slide of sleeve pipe, and reduce the excessive friction to steel pipe inner wall.At this, periodic maintenance will be strengthened in the position of coating lubricating oil.
Claims (3)
- One kind can release temperature stress transformer station's continuous rigid frame single tube beam, comprise single tube (2), extend single tube (1) and tube connector (3), on the left end inside wall of tube connector (3), be provided with the left enhancing steel ring of tube connector (4), on the right-hand member inside wall of tube connector (3), be provided with the right enhancing steel ring of tube connector (5), on the right output port lateral surface that extends single tube (1), be provided with and extend single tube flange (6), on the left port lateral surface of single tube (2), be provided with single tube flange (7), it is characterized in that, the left end of tube connector (3) is socketed in the right-hand member pipe that extends single tube (1), the left end of tube connector (3) is fixedly welded together with the inside wall that extends single tube (1), the right-hand member of tube connector (3) is actively socketed in the left end pipe of single tube (2), between the right-hand member lateral wall of tube connector (3) and the pipe inside wall of the left end of single tube (2), be provided with lubricant grease layer (11), between extension single tube flange (6) and single tube flange (7), cross-under has single ended bolt (8), be bolted with nut (12) at the afterbody of single ended bolt (8), between the spiral shell head (14) of single ended bolt (8) and single tube flange (7), be provided with right Compress Spring (10), between nut (12) and extension single tube flange (6), be provided with left Compress Spring (9), extend single tube (1) right output port side and the left port side of single tube (2) between be provided with spaced slot (15), between the lateral wall of tube connector (3) and the left port of single tube (2), be provided with waterproof grommet (13).
- 2. a kind of transformer station's continuous rigid frame single tube beam that can release temperature stress according to claim 1, it is characterized in that, the width of spaced slot (15) is the length of left Compress Spring (9) and the length sum of right Compress Spring (10), and the length of left Compress Spring (9) equates with the length of right Compress Spring (10).
- 3. a kind of transformer station's continuous rigid frame single tube beam that can release temperature stress according to claim 2, it is characterized in that, the width of spaced slot (15) is 100 millimeters, and the length of the length of left Compress Spring (9) and right Compress Spring (10) is 50 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206994.8U CN203808260U (en) | 2014-04-26 | 2014-04-26 | Transformer substation continuous rigid frame single-tube beam capable of releasing temperature stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206994.8U CN203808260U (en) | 2014-04-26 | 2014-04-26 | Transformer substation continuous rigid frame single-tube beam capable of releasing temperature stress |
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| Publication Number | Publication Date |
|---|---|
| CN203808260U true CN203808260U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420206994.8U Withdrawn - After Issue CN203808260U (en) | 2014-04-26 | 2014-04-26 | Transformer substation continuous rigid frame single-tube beam capable of releasing temperature stress |
Country Status (1)
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|---|---|
| CN (1) | CN203808260U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938735A (en) * | 2014-04-26 | 2014-07-23 | 中国能源建设集团山西省电力勘测设计院 | Single-tube beam capable of releasing temperature stress and suitable for transformer substation continuous rigid frame |
| CN107341317A (en) * | 2017-07-13 | 2017-11-10 | 中铁第勘察设计院集团有限公司 | The computational methods of heavy grade rigid-frame column topmast seat rigidity and rigid-frame column computational length |
| CN109911767A (en) * | 2019-03-26 | 2019-06-21 | 中国五冶集团有限公司 | Track connecting joint structure |
-
2014
- 2014-04-26 CN CN201420206994.8U patent/CN203808260U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938735A (en) * | 2014-04-26 | 2014-07-23 | 中国能源建设集团山西省电力勘测设计院 | Single-tube beam capable of releasing temperature stress and suitable for transformer substation continuous rigid frame |
| CN107341317A (en) * | 2017-07-13 | 2017-11-10 | 中铁第勘察设计院集团有限公司 | The computational methods of heavy grade rigid-frame column topmast seat rigidity and rigid-frame column computational length |
| CN107341317B (en) * | 2017-07-13 | 2020-11-03 | 中铁第一勘察设计院集团有限公司 | Calculation method for rigidity of top support of large-gradient rigid frame column and calculated length of rigid frame column |
| CN109911767A (en) * | 2019-03-26 | 2019-06-21 | 中国五冶集团有限公司 | Track connecting joint structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP SHANXI ELECTRIC POW Free format text: FORMER NAME: CEEC SHANXI ELECTRIC POWER EXPLORATION + DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 030001 Yingze street, Shanxi, No. 255, No. Patentee after: Co., Ltd of Chinese energy construction group Shanxi Electric Power Exploration & Design Institute Address before: 030001 Yingze street, Shanxi, No. 255, No. Patentee before: CEEC Shanxi Electric Power Exploration & Design Institute |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20151010 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |