CN107052113B - A kind of oblique bent technique of the change ramp of Transmission Towers - Google Patents
A kind of oblique bent technique of the change ramp of Transmission Towers Download PDFInfo
- Publication number
- CN107052113B CN107052113B CN201710148274.9A CN201710148274A CN107052113B CN 107052113 B CN107052113 B CN 107052113B CN 201710148274 A CN201710148274 A CN 201710148274A CN 107052113 B CN107052113 B CN 107052113B
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- China
- Prior art keywords
- angle steel
- main material
- front plate
- slope
- side panel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention provides a kind of change ramp of Transmission Towers tiltedly bent technique, includes the following steps：To become slope front plate on the basis of the connecting hole of upper main material angle steel and lower main material angle steel, the stupefied line position of angle steel of main material angle steel and lower main material angle steel is drawn；Point on the basis of the intersection point that the stupefied line of angle steel of the above main material angle steel and the stupefied line of the angle steel of lower main material angle steel extend, it is that fiery curve location is tiltedly bent by change slope front plate to take the folder bisector of angle of the stupefied line of the angle steel of main material angle steel and the stupefied line of angle steel of lower main material angle steel；On the basis of becoming slope front plate, the corresponding plate hole locations for becoming slope side panel are drawn on becoming slope front plate, measure the end holes for becoming slope side panel to the distance for becoming slope front datum mark further according to slope front plate is become, shifting hole is carried out to becoming slope side panel；Take point on the basis of the intersection point that the stupefied line of the angle steel of the stupefied line of the angle steel of main material angle steel and lower main material angle steel extends, take the folder bisector of angle of the stupefied line of the angle steel of main material angle steel and the stupefied line of angle steel of lower main material angle steel be fiery curve location will change slope side panel it is tiltedly bent.
Description
Technical field
The present invention relates to a kind of oblique bent works of the change ramp of the technical field of Transmission Towers more particularly to Transmission Towers
Skill.
Background
As shown in Figure 1, Transmission Towers tower body grade changing of main member position generally comprises front plate 100, side panel 200, upper master
Material angle steel 300 and lower main material angle steel 400；Transmission Towers in the prior art are during setting-out, tower body grade changing of main member position
Horizontal fire bent mode is all made of when putting sample；Since gradient gap is smaller negligible, fiery curve takes two sides angular bisector
To define oblique song.
But because four tower body main materials of Transmission Towers form isosceles trapezoid, if expanding horizontally tower body main material,
It is formed and is more than 90 ° of angle of releases；Due to upper main material angle steel 300 and the unsuitable angle of release of lower main material angle steel 400, after welding, four tower body main materials
Front plate 100 and side panel 200 weld after with the junction of upper main material angle steel 300 and lower main material angle steel 400 can form gap
500。
Invention content
Angle steel main material can be removed it is an object of the invention to overcome the deficiencies of the prior art and provide one kind and becomes slope front
Plate and become the gap after the welding of slope side panel Transmission Towers the oblique bent technique of change ramp.
In order to achieve the above object, the present invention uses following technical scheme：A kind of oblique bent work of the change ramp of Transmission Towers
Skill, which is characterized in that include the following steps：
To become slope front plate on the basis of the connecting hole of upper main material angle steel and lower main material angle steel, main material angle steel is drawn respectively
With the stupefied line position of angle steel of lower main material angle steel；Wherein, the stupefied line of angle steel of the stupefied line of angle steel of the above main material angle steel and lower main material angle steel
The intersection point of extension is the datum mark of fiery curve, takes the angle of the stupefied line of the angle steel of main material angle steel and the stupefied line of angle steel of lower main material angle steel
Bisector be the fiery curve location for becoming slope front plate, to become slope front plate carry out it is tiltedly bent；
On the basis of becoming slope front plate, the corresponding plate hole locations for becoming slope side panel, then root are drawn on becoming slope front plate
The end holes for becoming slope side panel are measured to the distance for becoming slope front plate fire curve datum mark, to becoming slope side according to slope front plate is become
Plate carries out shifting hole；
It is the benchmark of fiery curve to take the intersection point that the stupefied line of angle steel of the stupefied line of the angle steel of main material angle steel and lower main material angle steel extends
Point, it is the fire for becoming slope side panel to take the folder bisector of angle of the stupefied line of the angle steel of main material angle steel and the stupefied line of angle steel of lower main material angle steel
Curve location carries out tiltedly song to becoming slope side panel.
Further, when the fiery curve for becoming slope front plate is pressed onto the Transmission Towers tabula material holes Transverse Cai, by tabula material
The fiery curve that tabula material is obtained by the bent method of horizontal fire, then in the fiery curve phase for the fiery curve and tabula material for becoming slope front plate
A transitional pore is bored at the position of friendship, then is made curved, sealing weld and polished.
Further, when the fiery curve for becoming slope side panel is pressed onto the Transmission Towers tabula material holes Transverse Cai, by tabula material
The fiery curve that tabula material is obtained by the bent method of horizontal fire, then in the fiery curve phase for the fiery curve and tabula material for becoming slope side panel
A transitional pore is bored at the position of friendship, then is made curved, sealing weld and polished.
Further, a diameter of 17.5mm or 21.5mm of the transitional pore.
Further, to become the fiery curve of slope front plate and the fiery curve for becoming slope side panel as connecting line, slope front will be become
Plate and change slope side panel splicing are integrated；Main material angle steel and lower main material angle steel are installed again.
Compared with prior art, tiltedly bent technique efficiently solves change slope front plate to the change ramp of Transmission Towers of the invention
With becoming after the welding of slope side panel gap is led to the problem of with upper main material angle steel and lower main material Bolted angle connection；So that become slope front plate or
Become slope side panel and be bonded gapless with upper main material angle steel and lower main material angle steel, meets design requirement and installation requirement.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, and following specific
Embodiment is used to explain the present invention together, but should not be construed as limiting the invention.In the accompanying drawings,
Fig. 1：The splicing stereogram of front plate and side panel in the prior art；
Fig. 2：The present invention becomes the making schematic diagram of slope front plate fire curve；
Fig. 3：The present invention becomes the making schematic diagram of slope side panel fire curve；
Fig. 4：The present invention becomes slope front plate and becomes the splicing stereogram after the oblique song of slope side panel；
Fig. 5：The splicing stereogram of tower body grade changing of main member of the present invention position.
Specific implementation mode
As shown in Figures 2 to 5, the oblique bent technique of the change ramp of Transmission Towers of the invention, includes the following steps：
First, the fiery curve 11 for becoming slope front plate 1 is made：To become slope front plate 1 and upper main material angle steel 3 and lower main material angle steel
On the basis of 4 connecting hole, main material angle steel 3 and the stupefied line 30 of angle steel of lower main material angle steel 4,40 positions are drawn respectively；Wherein, above
The intersection point that the stupefied line 30 of angle steel of main material angle steel 3 and the stupefied line 40 of angle steel of lower main material angle steel 4 extend is the datum mark 5 of fiery curve 11,
It is to become slope front plate to take the bisector of the angle α of the stupefied line of the angle steel of the stupefied line of the angle steel of main material angle steel 3 30 and lower main material angle steel 4 30
1 fiery curve location carries out oblique song to becoming slope front plate 1.
Further, when the fiery curve 11 for becoming slope front plate 1 is pressed onto the 8 material holes Transverse of Transmission Towers tabula material, in order to keep away
Exempt from after the Transverse materials hole slopes Chu Jiangbian front plate 1 is tiltedly bent, the problem that tabula material 8 is not installed occurs, tabula material 8 is bent by horizontal fire
Method obtain the fiery curve 12 of tabula material 8, then in 12 phase of fiery curve for the fiery curve 11 and tabula material 8 for becoming slope front plate 1
A transitional pore 6 is bored at the position of friendship, then will become slope front plate 1 make from the transitional pore 6 it is curved；Wherein, the diameter of the transitional pore 6
For 17.5mm or 21.5mm so that become slope front plate 1 can smoothly make it is curved；Finally, then by 6 sealing weld of the transitional pore, mill
It is flat.When the diameter of the transitional pore 6 be less than 17.5mm when, it is difficult to again will become slope front plate 1 make it is curved, when the transitional pore
When 6 diameter is more than 21.5mm, will become slope front plate 1 make it is curved after be difficult to sealing weld and polish.
Then, the fiery curve 21 for becoming slope side panel 2 is made：On the basis of becoming slope front plate 1, drawn on becoming slope front plate 1
Go out it is corresponding become slope side panel 2 plate hole locations, further according to become slope front plate 1 measure become slope side panel 2 end holes to change
The distance of 1 fire curve datum mark 5 of slope front plate, carries out shifting hole so that become the plate hole 20 on slope side panel 2 to becoming slope side panel 2
It is staggered with 10 position of plate hole become in slope front plate 1；Wherein, the end holes of the described change slope side panel 2 are and change slope front plate 1
The plate hole of fiery 5 vertical range of curve datum mark minimum.
Then, it is to become to take the intersection point that the stupefied line 40 of angle steel of the stupefied line 30 of the angle steel of main material angle steel 3 and lower main material angle steel 4 extends
The datum mark 5 of the fiery curve of slope side panel 2 takes the stupefied line of the angle steel of the stupefied line 30 of the angle steel of main material angle steel 3 and lower main material angle steel 4 30
Angular bisector is the fiery curve location for becoming slope side panel 2, and oblique song is carried out to becoming slope side panel 2.
When the fiery curve 21 for becoming slope side panel 2 is pressed onto the 8 material holes Transverse of Transmission Towers tabula material, in order to avoid Transverse materials
Tiltedly after song, there is the problem that tabula material 8 is not installed in the hole slopes Chu Jiangbian side panel 2, and tabula material 8 is taken by the bent method of horizontal fire
The fiery curve 22 of tabula material 8 is obtained, then in the position that the fiery curve 22 of the fiery curve 21 and tabula material 8 that become slope side panel 2 intersects
A transitional pore 6 is bored at place, then will become slope side panel 2 make from the transitional pore 6 it is curved；Wherein, a diameter of 17.5mm of the transitional pore 6
Or 21.5mm so that become slope side panel 2 can smoothly make it is curved, finally, then by 6 sealing weld of the transitional pore, polish.When
The diameter of the transitional pore 6 be less than 17.5mm when, it is difficult to again will become slope front plate 1 make it is curved, when the diameter of the transitional pore 6 is big
When 21.5mm, will become slope front plate 1 make it is curved after be difficult to sealing weld and polish.
Finally, to become the fiery curve 11 of slope front plate 1 and the fiery curve 21 for becoming slope side panel 2 as connecting line, slope will become just
Panel 1 and change slope side panel 2 splice by welding to be integrated；Main material angle steel 3 and lower main material angle steel 4 are installed again.
To sum up, the change ramp of Transmission Towers of the invention tiltedly bent technique first to become slope front plate 1 and upper main material angle steel 3
On the basis of the connecting hole of lower main material angle steel 4,30,40, the stupefied line of angle steel of main material angle steel 3 and lower main material angle steel 4 is drawn respectively
It sets；The intersection point that the stupefied line 30 of angle steel of the above main material angle steel 3 and the stupefied line 40 of angle steel of lower main material angle steel 4 extend is the benchmark of fiery curve
Point 5, it is to become slope front plate 1 to take the angular bisector of the stupefied line of the angle steel of the stupefied line of the angle steel of main material angle steel 3 30 and lower main material angle steel 4 40
Fiery curve location, to become slope front plate 1 carry out oblique song；Then, it on the basis of becoming slope front plate 1, is drawn on becoming slope front plate 1
Go out it is corresponding become slope side panel 2 plate hole locations, further according to become slope front plate 1 measure become slope side panel 2 end holes to change
The distance of 1 fire curve datum mark 5 of slope front plate, shifting hole is carried out to becoming slope side panel 2；Take the stupefied line of the angle steel of main material angle steel 3 30
The intersection point extended with the stupefied line 40 of angle steel of lower main material angle steel 4 is the datum mark 5 for becoming the fiery curve of slope side panel 2, takes main material angle steel 3
The angular bisector of the stupefied line of angle steel 40 of the stupefied line of angle steel 30 and lower main material angle steel 4 be the fiery curve location for becoming slope side panel 2, to change
Slope side panel 2 carries out oblique song.To efficiently solve become slope front plate 1 with become slope side panel 2 weld after with upper main material angle steel 3 and
The lower connection of main material angle steel 4 leads to the problem of gap；So that becoming slope front plate 1 or becoming slope side panel 2 and upper main material angle steel 3 and lower master
Material angle steel 4 is bonded gapless, meets design requirement and installation requirement.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in specific implementation modes disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (5)
1. a kind of oblique bent technique of the change ramp of Transmission Towers, which is characterized in that include the following steps：
To become slope front plate on the basis of the connecting hole of upper main material angle steel and lower main material angle steel, main material angle steel is drawn respectively under
The stupefied line position of angle steel of main material angle steel；Wherein, the stupefied line of angle steel of the above main material angle steel and the stupefied line of the angle steel of lower main material angle steel extend
Intersection point be fiery curve datum mark, take the flat of the stupefied line of the angle steel of main material angle steel and the angle of the stupefied line of angle steel of lower main material angle steel
Separated time is the fiery curve location for becoming slope front plate, and tiltedly song is carried out to becoming slope front plate；
On the basis of becoming slope front plate, the corresponding plate hole locations for becoming slope side panel are drawn on becoming slope front plate, further according to change
Slope front plate measure become slope side panel end holes to become slope front plate fire curve datum mark distance, to change slope side panel into
Row moves hole；
It is the datum mark of fiery curve to take the intersection point that the stupefied line of angle steel of the stupefied line of the angle steel of main material angle steel and lower main material angle steel extends, and is taken
The folder bisector of angle of the stupefied line of angle steel of upper main material angle steel and the stupefied line of angle steel of lower main material angle steel is the fiery curve for becoming slope side panel
Position carries out tiltedly song to becoming slope side panel.
2. the oblique bent technique of the change ramp of Transmission Towers as described in claim 1, it is characterised in that：When the fire for becoming slope front plate
When curve is pressed onto the Transmission Towers tabula material holes Transverse Cai, the fire that tabula material is obtained to tabula material by the bent method of horizontal fire is bent
Line, then become slope front plate fiery curve and tabula material fiery curve intersection position at bore a transitional pore, then make it is curved, fill out
It welds and polishes.
3. the oblique bent technique of the change ramp of Transmission Towers as described in claim 1, it is characterised in that：When the fire for becoming slope side panel
When curve is pressed onto the Transmission Towers tabula material holes Transverse Cai, the fire that tabula material is obtained to tabula material by the bent method of horizontal fire is bent
Line, then become slope side panel fiery curve and tabula material fiery curve intersection position at bore a transitional pore, then make it is curved, fill out
It welds and polishes.
4. the oblique bent technique of the change ramp of Transmission Towers as claimed in claim 2 or claim 3, it is characterised in that：The transitional pore
A diameter of 17.5mm or 21.5mm.
5. the oblique bent technique of the change ramp of Transmission Towers as described in claim 1, it is characterised in that：To become the fire of slope front plate
The fiery curve of curve and change slope side panel will become slope front plate and change slope side panel splicing is integrated into connecting line；It installs again
Main material angle steel and lower main material angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148274.9A CN107052113B (en) | 2017-03-14 | 2017-03-14 | A kind of oblique bent technique of the change ramp of Transmission Towers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148274.9A CN107052113B (en) | 2017-03-14 | 2017-03-14 | A kind of oblique bent technique of the change ramp of Transmission Towers |
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| Publication Number | Publication Date |
|---|---|
| CN107052113A CN107052113A (en) | 2017-08-18 |
| CN107052113B true CN107052113B (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710148274.9A Active CN107052113B (en) | 2017-03-14 | 2017-03-14 | A kind of oblique bent technique of the change ramp of Transmission Towers |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496025A (en) * | 2020-04-24 | 2020-08-07 | 江苏大盛铁塔制造有限公司 | Processing technology for angle steel variable slope bending |
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|---|---|---|---|---|
| WO2013143230A1 (en) * | 2012-03-28 | 2013-10-03 | 中兴通讯股份有限公司 | Iron tower |
| CN103590646A (en) * | 2013-11-11 | 2014-02-19 | 国家电网公司 | Triangular fracture surface angle steel tower for power transmission line |
| CN203452436U (en) * | 2013-06-24 | 2014-02-26 | 浙江盛达铁塔有限公司 | Angle-iron tower derrick supporting hanging point structure |
| CN203924857U (en) * | 2013-11-22 | 2014-11-05 | 国家电网公司 | A kind of tower variable cross-section combined joint and steel tower |
| CN104594697A (en) * | 2015-02-05 | 2015-05-06 | 中国电力工程顾问集团西南电力设计院有限公司 | Variable slope joint for section of non-filler plate four-piece combined angle steel of power transmission tower |
| CN205713396U (en) * | 2016-05-05 | 2016-11-23 | 中国电力科学研究院 | Attachment means for power transmission tower |
| CN205805105U (en) * | 2016-07-02 | 2016-12-14 | 温州泰昌铁塔制造有限公司 | A kind of connecting plate being connected with tower body change slope for angle steel tower closing in cross-arm |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO332791B1 (en) * | 2011-05-27 | 2013-01-14 | Owec Tower As | Transition element for attaching a twine to a jacket |
-
2017
- 2017-03-14 CN CN201710148274.9A patent/CN107052113B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143230A1 (en) * | 2012-03-28 | 2013-10-03 | 中兴通讯股份有限公司 | Iron tower |
| CN203452436U (en) * | 2013-06-24 | 2014-02-26 | 浙江盛达铁塔有限公司 | Angle-iron tower derrick supporting hanging point structure |
| CN103590646A (en) * | 2013-11-11 | 2014-02-19 | 国家电网公司 | Triangular fracture surface angle steel tower for power transmission line |
| CN203924857U (en) * | 2013-11-22 | 2014-11-05 | 国家电网公司 | A kind of tower variable cross-section combined joint and steel tower |
| CN104594697A (en) * | 2015-02-05 | 2015-05-06 | 中国电力工程顾问集团西南电力设计院有限公司 | Variable slope joint for section of non-filler plate four-piece combined angle steel of power transmission tower |
| CN205713396U (en) * | 2016-05-05 | 2016-11-23 | 中国电力科学研究院 | Attachment means for power transmission tower |
| CN205805105U (en) * | 2016-07-02 | 2016-12-14 | 温州泰昌铁塔制造有限公司 | A kind of connecting plate being connected with tower body change slope for angle steel tower closing in cross-arm |
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| CN107052113A (en) | 2017-08-18 |
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