CN105464445A - Process for manufacturing extra-high voltage power transmission tower through laser - Google Patents
Process for manufacturing extra-high voltage power transmission tower through laser Download PDFInfo
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- CN105464445A CN105464445A CN201610023358.5A CN201610023358A CN105464445A CN 105464445 A CN105464445 A CN 105464445A CN 201610023358 A CN201610023358 A CN 201610023358A CN 105464445 A CN105464445 A CN 105464445A
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- outer layer
- transmission tower
- insulating outer
- insulating
- cross bar
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
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- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses an extra-high voltage power transmission tower. A tower head comprises a plurality of transverse rods and a plurality of angle iron, the angle iron is connected between every two transverse rods, each insulating inner layer is cylindrical and wraps a corresponding insulating core, each insulating outer layer wraps the outer wall of the corresponding insulating inner layer, the space between each insulating outer layer and the corresponding insulating inner layer is filled with a fiber layer, two ends of each insulating outer layer are connected with sealing connectors in a sealing and sleeving mode, and every two sealing connectors connected to the same angle iron are inserted to each other. The power transmission tower of the structure is high in insulativity and high in firmness, transformation before assembly of the power transmission tower is more facilitated, laying is easier, laser equipment is adopted for the machining process of the power transmission tower to conduct cutting and punching, pollution, caused by the manufacturing process of the power transmission tower, to the environment is greatly reduced, machining precision is higher, the cost is low, and production and machining time is effectively shortened.
Description
Technical field
The present invention relates to a kind of power equipment, more particularly, it relates to a kind of UHV transmission tower.
Background technology
Power transmission tower is then the strong point of overhead wire, and it is then single loop power transmission tower that power transmission tower sets up a loop, and power transmission tower sets up Ze Shi double loop, two loops power transmission tower.Iron tower of power transmission line, generally be divided into by its shape: wine glass-shaped, cathead, upper font, dry font and barrel shape five kinds, divide by purposes and have: anchor support, tangent tower, angle tower, transposition tower (restringing phase position tower), terminal tower and crossover tower etc., their design feature is that various tower all belongs to space truss structure, rod member is primarily of single equal leg angle or combination angle steel composition, material generally uses Q235 (A3F) and Q345 (16Mn) two kinds, connect between rod member and adopt rough bolt, by bolt by Shear connection, whole tower is by angle steel, junction steel plate and bolt composition, individual part such as column foot etc. is welded into a composite member by a few block plate.
Whole steel tower forms primarily of tower head, tower body and tower leg three parts, from tower leg, up tower cross section sharply changes that (occurring broken line) go out with upper part is tower head, first paragraph pylon above basis is called tower leg, if do not have cross section sharply to change, so descend the lower edge of cross-arm to be tower head with upper part, the part between tower leg and pylon is called tower body.The power transmission tower of current extra-high voltage is substantially all clean steel manufacture, weight ratio is larger, very inconvenient transport and building, add manufacture and cost of transportation, and laying difficulty is large, in addition clean steel manufacture tower body and tower head insulating properties bad, need people to use a large amount of insulator strings, increase processing and manufacturing cost.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of UHV transmission tower and manufacturing process thereof, make power transmission tower insulating properties strong and firmness is high, more be beneficial to the transport before power transmission tower assembling, also be more prone to during laying, adopt laser equipment to manufacture power transmission tower and can reduce pollution to environment greatly, and its machining accuracy is high and cost is low, effectively shorten the production and processing time.
For achieving the above object, the invention provides following technical scheme:
A kind of technique applying laser manufacture UHV transmission tower, this UHV transmission tower comprises the tower leg, tower body and the tower head that set gradually, described tower head comprises some cross bars and some angle steel, angle steel is connected with between any two cross bars, described cross bar comprises insulating core, insulation nexine, fibrage and insulating outer layer, adds and comprises the steps: man-hour
A, choose tubular FRIM as insulation nexine;
B, choose external diameter and fill with the suitable insulating core of internal diameter of insulation nexine and penetrate to insulating in nexine;
C, choose the FRIM that internal diameter is greater than the tubular of the external diameter of insulating outer layer, as insulating outer layer, and insulating outer layer is sheathed with insulation nexine;
D, between insulating outer layer and insulation nexine, uniform filling enters fibrage, thus tentatively obtains overall cross bar;
E, the dimensional requirement laser cutting machine of the overall cross bar obtained in steps d power transmission tower is as required cut into different length;
F, fixing hole is all offered with laser-beam drilling machine in the both ends of the cross bar cut in step e, it is two rows that described fixing hole is offered, and two row's fixing holes are respectively at the outer wall of insulating outer layer being be in same radial direction, and two row's fixing holes are arrange in 90 ° of angles in the radial direction of insulating outer layer;
G, casting processing junction steel plate, angle steel and screw bolt and nut, and cast the joint for sealing connecting that sealing shroud is connected on the two ends of insulating outer layer, and offer installing hole with laser-beam drilling machine to junction steel plate, angle steel and joint for sealing connecting;
H, to the workpiece hot galvanized layer processed in step g;
I, all seal socket joint for sealing connecting for the two ends of insulating outer layer, any two mutual grafting of joint for sealing connecting connecting same angle steel, installing hole and fixing hole are coaxially equipped with fastening bolt;
J, assembling.
Further improvement as technique scheme:
Described joint for sealing connecting comprises and is socketed on sealed inserted piece on same cross bar and Seal Kit respectively, described sealed inserted piece and the homogeneous end face of Seal Kit are provided with the cavity for being sheathed with on cross bar, the outer wall of described sealed inserted piece and Seal Kit is equipped with the face that at least one pair of is mutually right angle, fixing hole is opened in the above-mentioned face being mutually right angle for a pair, and the sealed inserted piece of any cross bar removably connects with the Seal Kit of another cross bar being connected to same angle steel.
The other end that described sealed inserted piece offers cavity is provided with inserted block, and the other end that described Seal Kit offers cavity is provided with cover block, and described cover block offers the inserting groove for inserted block grafting.
The other end that described sealed inserted piece offers cavity is provided with plug-in unit hook, and the other end that described Seal Kit offers cavity is provided with external member hook, and described plug-in unit hook is connected with external member fastener hook.
Described insulating core is made up of foam, and described insulating core cuts into cylindric being arranged in insulation nexine.
Described fibrage is made up of glass fiber, and described insulating outer layer makes cylindrical shape by FRIM, and described insulation nexine wears in insulating outer layer, and fibrage is filled between insulation nexine and insulating outer layer.
By adopting technique scheme, the sandwich construction of insulating core, insulation nexine and insulating outer layer is arranged to by cross bar, effectively can strengthen the insulating properties of cross bar, reduces the spacing of three-phase conducting wire, ensures that UHV transmission tower can use safely normally; Insulation nexine and insulating core wrap up layer by layer, and insulating outer layer and insulation nexine wrap up layer by layer, and the insulating properties of cross bar can be increased dramatically; Being connected of any two cross bars is all allow the termination of cross bar and Bolted angle connection, at the two ends sealing socket joint for sealing connecting of insulating outer layer, under sealing state, insulating properties more, can strengthen the insulating properties of UHV transmission tower further, the effective use reducing insulator string; Each insulating layer of cross bar all coaxially offers some fixing holes, make people that cross bar can be regulated easily to be linked into length in angle steel, thus facilitate staff to assemble the tower head of the UHV transmission tower of all size, and multiple fixing hole coordinates the setting of multiple installing hole, can make staff transport time can with the cross bar of less specification, more be beneficial to the transport before power transmission tower assembling, be also more prone to during laying; Laser cutting machine and laser-beam drilling machine is adopted to manufacture each several part of UHV transmission tower, the pollution to environment can be reduced greatly, and its machining accuracy is high and cost is low, the punching process method that some need to adopt complex large-sized mould can be substituted, effectively shorten the production and processing time.
Accompanying drawing explanation
Fig. 1 is the shape assumption diagram of UHV transmission tower embodiment of the present invention;
Fig. 2 is the cross bar of UHV transmission tower of the present invention and the structure chart of Bolted angle connection;
Fig. 3 is the cross bar of UHV transmission tower of the present invention and the sectional view of Bolted angle connection;
Fig. 4 is the johning knot composition of the joint for sealing connecting embodiment one of UHV transmission tower of the present invention;
Fig. 5 is the johning knot composition of the joint for sealing connecting embodiment two of UHV transmission tower of the present invention.
Reference numeral:
1, tower leg; 2, tower body; 3, tower head; 4, cross bar; 5, angle steel; 51, the first angle steel; 511, installing hole; 52, the second angle steel; 61, the first cross bar; 62, the second cross bar; 63, the 3rd cross bar; 64, insulating core; 65, insulate nexine; 66, fibrage; 67, insulating outer layer; 7, joint for sealing connecting; 71, sealed inserted piece; 711, inserted block; 712, plug-in unit hook; 72, Seal Kit; 721, block is overlapped; 722, external member hook; 8, fixing hole.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, UHV transmission tower embodiment of the present invention is described further.
A kind of technique applying laser manufacture UHV transmission tower, this UHV transmission tower comprises the tower leg 1, tower body 2 and the tower head 3 that set gradually, described tower head 3 comprises some cross bars 4 and some angle steel 5, angle steel 5 is connected with between any two cross bars 4, described cross bar 4 comprises insulating core 64, insulation nexine 65, fibrage 66 and insulating outer layer 67, adds and comprises the steps: man-hour
A, choose tubular FRIM as insulation nexine 65;
B, choose external diameter and fill with the suitable insulating core 64 of internal diameter of insulation nexine 65 and penetrate to insulating in nexine 65;
C, choose the FRIM that internal diameter is greater than the tubular of the external diameter of insulating outer layer, as insulating outer layer 67, and insulating outer layer is sheathed with insulation nexine 65;
D, between insulating outer layer 67 and insulation nexine 65, uniform filling enters fibrage 66, thus tentatively obtains overall cross bar 4;
E, the dimensional requirement laser cutting machine of the overall cross bar 5 obtained in steps d power transmission tower is as required cut into different length;
F, fixing hole 8 is all offered with laser-beam drilling machine in the both ends of the cross bar 5 cut in step e, it is two rows that described fixing hole 8 is offered, and the outer wall of two row's fixing holes 8 respectively at insulating outer layer 67 is in same radial direction, and two row's fixing holes 8 are arrange in 90 ° of angles in the radial direction of insulating outer layer 67;
G, casting processing junction steel plate, angle steel 5 and screw bolt and nut, and cast the joint for sealing connecting 7 that sealing shroud is connected on the two ends of insulating outer layer 67, and offer installing hole 511 with laser-beam drilling machine to junction steel plate, angle steel 5 and joint for sealing connecting 7;
H, to the workpiece hot galvanized layer processed in step g;
I, all seal socket joint for sealing connecting 7 for the two ends of insulating outer layer 67, any two joint for sealing connecting 7 mutually grafting connecting same angle steel 5, installing hole 511 and fixing hole 8 are coaxially equipped with fastening bolt;
J, assembling.
By adopting technique scheme, the sandwich construction of insulating core 64, insulation nexine 65 and insulating outer layer 67 is arranged to by cross bar 4, effectively can strengthen the insulating properties of cross bar 4, reduce the spacing of three-phase conducting wire, ensure that UHV transmission tower can use safely normally; Insulation nexine 65 and insulating core 64 wrap up layer by layer, and insulating outer layer 67 and insulation nexine 65 wrap up layer by layer, and the insulating properties of cross bar 4 can be increased dramatically; Being connected of any two cross bars 4 is all allow the termination of cross bar 4 be connected with angle steel 5, at the two ends sealing socket joint for sealing connecting 7 of insulating outer layer 67, under sealing state, insulating properties more, can strengthen the insulating properties of UHV transmission tower further, the effective use reducing insulator string; Each insulating layer of cross bar 4 all coaxially offers some fixing holes 8, make people that cross bar 4 can be regulated easily to be linked into length in angle steel 5, thus facilitate staff to assemble the tower head 3 of the UHV transmission tower of all size, and multiple fixing hole 8 coordinates the setting of multiple installing hole 511, can make staff can cross bar 4 with less specification when transporting, more be beneficial to the transport before power transmission tower assembling, be also more prone to during laying.
In addition laser cutting machine and laser-beam drilling machine mechanical part be touchless when processing each building block of power transmission tower, scuffing can not be caused to working surface at work; Laser cutting speed is fast, and smooth cut is smooth, generally without the need to following process; Cutting heat affected zone is little, and sheet deformation is little, and joint-cutting is narrow and otch does not have mechanical stress, without shear burr, compared with traditional plasma cut or gas flame cuttiug, has the feature of high speed, high accuracy and high-adaptability.Do not need mould during laser cutting sheet material, Automatic Typesetting saves material, and processing cost is low, can substitute the punching process method that some need to adopt complex large-sized mould simultaneously, effectively shortens the cycle of production and processing UHV transmission tower.
Described joint for sealing connecting 7 comprises and is socketed on sealed inserted piece 71 on same cross bar 4 and Seal Kit 72 respectively, described sealed inserted piece 71 and the homogeneous end face of Seal Kit 72 are provided with the cavity for being sheathed with on cross bar 4, and the sealed inserted piece 71 of any cross bar 4 removably connects with the Seal Kit 72 of another cross bar 4 being connected to same angle steel 5.
As shown in Figure 2,3rd cross bar 63 is all connected the first angle steel 51 in one end with the first cross bar 61, first cross bar 61 is all connected the second angle steel 52 in one end with the second cross bar 62, the Seal Kit 72 of the Seal Kit 72 and the 3rd cross bar 63 that all connect the first cross bar 61 of the first angle steel 51 removably connects, and the Seal Kit 72 of the sealed inserted piece 71 and the second cross bar 62 that all connect the first cross bar 61 of the second angle steel 52 removably connects.The two ends of one cross bar 4 arrange sealed inserted piece 71 and Seal Kit 72 respectively, between two cross bars 4 making to connect same angle steel 5 except being interconnected by angle steel 5, removably connect further more between the two, make the syndeton close and firm more of tower head 3, damage there being angle steel 5, or when having cross bar 4 to damage, three still can keep stable firmly annexation, the structure firm stable more of high voltage power transmission tower.The outer wall of described sealed inserted piece 71 and Seal Kit 72 is equipped with the face that at least one pair of is mutually right angle, fixing hole 8 is opened in the above-mentioned face being mutually right angle for a pair, it mainly in order to the setting of two steel square 5 of adaptive angle steel 5, thus makes the connection close and firm more between angle steel 5 and cross bar 4.
The other end that described sealed inserted piece 71 offers cavity is provided with inserted block 711, and the other end that described Seal Kit 72 offers cavity is provided with cover block 721, and described cover block 721 offers the inserting groove for inserted block 711 grafting.Reached by the grafting between inserted block 711 and cover block 721 between sealed inserted piece 71 and Seal Kit 72 and removably connect.This mode is applicable to linearly linking together between two cross bars 4, or the situation that low-angle links together.
The other end that described sealed inserted piece 71 offers cavity is provided with plug-in unit hook 712, and the other end that described Seal Kit 72 offers cavity is provided with external member hook 722, and described plug-in unit hook 712 is connected with external member hook 722 clasp.This mode is applicable to having larger connection angle after angle steel 5 between two cross bars 4, in wide-angle situation, can also rotate larger angle after mutually catching between plug-in unit hook 712 and external member hook 722, can meet people and install and use on a large scale.
Described insulating core 64 is made up of foam, and described insulation nexine 65 makes cylindrical shape by FRIM, and described insulating core 64 cuts into cylindric being arranged in insulation nexine 65.Described fibrage 66 is made up of glass fiber, and described insulating outer layer 67 makes cylindrical shape by FRIM, and described insulation nexine 65 wears in insulating outer layer 67, and fibrage 66 is filled between insulation nexine 65 and insulating outer layer 67.The insulating core 64 of foam is lightweight, cheap, good insulation preformance, same FRIM and glass fiber are all lighter weight and cheap material, compared to the power transmission tower that clean steel manufactures, the convenient transport of lightweight and build power transmission tower, also more economical in price; In addition in order to ensure firmness and the supporting power of power transmission tower, FRIM will be adopted as insulation nexine 65 and insulating outer layer 67, effectively utilize the advantage that the intensity of FRIM is high; FRIM can good, the noninflammability of high temperature resistant, ageing-resistant (working under high-end trim for a long time not yielding), water resistance and heat insulation good etc. advantage in addition, good experience is kept, the effective application life extending the entirety of UHV transmission tower when cross bar 4 lowered in field environment can both be made severe.
Due to the high strength of FRIM, and the hardness of the miscellaneous part of power transmission tower that steel is made is comparatively large, and the cutting machine of preferred described cutting cross bar 4, Seal Kit 72, sealed inserted piece 71, junction steel plate, angle steel 5 all adopts laser cutting machine.Described installing hole 511 and fixing hole 8 all adopt laser-beam drilling machine to offer.Laser cutting instead of traditional mechanical blades with sightless light beam, can reduce the pollution to environment greatly.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. apply the technique of laser manufacture UHV transmission tower for one kind, this UHV transmission tower comprises the tower leg, tower body and the tower head that set gradually, described tower head comprises some cross bars and some angle steel, angle steel is connected with between any two cross bars, it is characterized in that: described cross bar comprises insulating core, insulation nexine, fibrage and insulating outer layer, adds and comprises the steps: man-hour
A, choose tubular FRIM as insulation nexine;
B, choose external diameter and fill with the suitable insulating core of internal diameter of insulation nexine and penetrate to insulating in nexine;
C, choose the FRIM that internal diameter is greater than the tubular of the external diameter of insulating outer layer, as insulating outer layer, and insulating outer layer is sheathed with insulation nexine;
D, between insulating outer layer and insulation nexine, uniform filling enters fibrage, thus tentatively obtains overall cross bar;
E, the dimensional requirement laser cutting machine of the overall cross bar obtained in steps d power transmission tower is as required cut into different length;
F, fixing hole is all offered with laser-beam drilling machine in the both ends of the cross bar cut in step e, it is two rows that described fixing hole is offered, and two row's fixing holes are respectively at the outer wall of insulating outer layer being be in same radial direction, and two row's fixing holes are arrange in 90 ° of angles in the radial direction of insulating outer layer;
G, casting processing junction steel plate, angle steel and screw bolt and nut, and cast the joint for sealing connecting that sealing shroud is connected on the two ends of insulating outer layer, and offer installing hole with laser-beam drilling machine to junction steel plate, angle steel and joint for sealing connecting;
H, to the workpiece hot galvanized layer processed in step g;
I, all seal socket joint for sealing connecting for the two ends of insulating outer layer, any two mutual grafting of joint for sealing connecting connecting same angle steel, installing hole and fixing hole are coaxially equipped with fastening bolt;
J, assembling.
2. the technique of application laser manufacture UHV transmission tower according to claim 1, it is characterized in that: described joint for sealing connecting comprises and is socketed on sealed inserted piece on same cross bar and Seal Kit respectively, described sealed inserted piece and the homogeneous end face of Seal Kit are provided with the cavity for being sheathed with on cross bar, the outer wall of described sealed inserted piece and Seal Kit is equipped with the face that at least one pair of is mutually right angle, fixing hole is opened in the above-mentioned face being mutually right angle for a pair, and the sealed inserted piece of any cross bar removably connects with the Seal Kit of another cross bar being connected to same angle steel.
3. the technique of application laser manufacture UHV transmission tower according to claim 2, it is characterized in that: the other end that described sealed inserted piece offers cavity is provided with inserted block, the other end that described Seal Kit offers cavity is provided with cover block, and described cover block offers the inserting groove for inserted block grafting.
4. the technique of application laser manufacture UHV transmission tower according to claim 2, it is characterized in that: the other end that described sealed inserted piece offers cavity is provided with plug-in unit hook, the other end that described Seal Kit offers cavity is provided with external member hook, and described plug-in unit hook is connected with external member fastener hook.
5. the technique of the application laser manufacture UHV transmission tower according to claim 1 or 2 or 3 or 4, is characterized in that: described insulating core is made up of foam, and described insulating core cuts into cylindric being arranged in insulation nexine.
6. the technique of application laser manufacture UHV transmission tower according to claim 5, it is characterized in that: described fibrage is made up of glass fiber, described insulating outer layer makes cylindrical shape by FRIM, described insulation nexine wears in insulating outer layer, and fibrage is filled between insulation nexine and insulating outer layer.
7. the technique of the application laser manufacture UHV transmission tower according to claim 1 or 2 or 3 or 4, it is characterized in that: described fibrage is made up of glass fiber, described insulating outer layer makes cylindrical shape by FRIM, described insulation nexine wears in insulating outer layer, and fibrage is filled between insulation nexine and insulating outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023358.5A CN105464445A (en) | 2016-01-14 | 2016-01-14 | Process for manufacturing extra-high voltage power transmission tower through laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023358.5A CN105464445A (en) | 2016-01-14 | 2016-01-14 | Process for manufacturing extra-high voltage power transmission tower through laser |
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| CN105464445A true CN105464445A (en) | 2016-04-06 |
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| CN201610023358.5A Pending CN105464445A (en) | 2016-01-14 | 2016-01-14 | Process for manufacturing extra-high voltage power transmission tower through laser |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB619783A (en) * | 1946-12-16 | 1949-03-15 | Headley Townsend Backhouse | Improvements in or relating to sidelay mechanisms for sheet feeding machines |
| CN101718151A (en) * | 2009-11-06 | 2010-06-02 | 常熟风范电力设备股份有限公司 | Composite material tower and manufacturing process thereof |
| CN201695734U (en) * | 2009-11-06 | 2011-01-05 | 常熟风范电力设备股份有限公司 | Composite material tower |
| CN102312602A (en) * | 2011-04-07 | 2012-01-11 | 济南巨能铁塔制造有限公司 | Angle steel tower of power transmission line |
| CN202970090U (en) * | 2012-11-14 | 2013-06-05 | 丽水电业局 | Power transmission tower |
| CN103464943A (en) * | 2012-06-08 | 2013-12-25 | 张建 | Welding deformation adjustment corrector |
| CN105507649A (en) * | 2016-01-14 | 2016-04-20 | 温州泰昌铁塔制造有限公司 | Extra-high-voltage power transmission tower and manufacturing technology thereof |
-
2016
- 2016-01-14 CN CN201610023358.5A patent/CN105464445A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB619783A (en) * | 1946-12-16 | 1949-03-15 | Headley Townsend Backhouse | Improvements in or relating to sidelay mechanisms for sheet feeding machines |
| CN101718151A (en) * | 2009-11-06 | 2010-06-02 | 常熟风范电力设备股份有限公司 | Composite material tower and manufacturing process thereof |
| CN201695734U (en) * | 2009-11-06 | 2011-01-05 | 常熟风范电力设备股份有限公司 | Composite material tower |
| CN102312602A (en) * | 2011-04-07 | 2012-01-11 | 济南巨能铁塔制造有限公司 | Angle steel tower of power transmission line |
| CN103464943A (en) * | 2012-06-08 | 2013-12-25 | 张建 | Welding deformation adjustment corrector |
| CN202970090U (en) * | 2012-11-14 | 2013-06-05 | 丽水电业局 | Power transmission tower |
| CN105507649A (en) * | 2016-01-14 | 2016-04-20 | 温州泰昌铁塔制造有限公司 | Extra-high-voltage power transmission tower and manufacturing technology thereof |
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