CN204691375U - The narrow base steel tube tower of a kind of 220kV tetra-return cable terminal - Google Patents

The narrow base steel tube tower of a kind of 220kV tetra-return cable terminal Download PDF

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Publication number
CN204691375U
CN204691375U CN201520396058.2U CN201520396058U CN204691375U CN 204691375 U CN204691375 U CN 204691375U CN 201520396058 U CN201520396058 U CN 201520396058U CN 204691375 U CN204691375 U CN 204691375U
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CN
China
Prior art keywords
tower
cable
tetra
narrow base
head body
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Expired - Fee Related
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CN201520396058.2U
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Chinese (zh)
Inventor
徐明鸣
何洪波
姜俊柏
叶世顺
李春
唐春林
李林
侯长健
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China Energy Engineering Group Hunan Electric Power Design Institute Co Ltd
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China Energy Engineering Group Hunan Electric Power Design Institute Co Ltd
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Priority to CN201520396058.2U priority Critical patent/CN204691375U/en
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Publication of CN204691375U publication Critical patent/CN204691375U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The narrow base steel tube tower of a kind of 220kV tetra-return cable terminal, comprise tower head, tower body, tower head is made up of earth wire support, wire cross-arm and tower head body, earth wire support is located at tower head body top, tower head body both sides are stretched out at wire cross-arm two ends respectively, the quantity of wire cross-arm is at least two, each wire cross-arm is arranged on tower head body, also comprise cable platform and at least one cable leading lower carriage, cable leading lower carriage is laterally located at tower head body peripheral, cable platform is located in the middle part of tower body, and tower head body, tower body and each wire cross-arm form " doing " font.The utility model good looking appearance, rational in infrastructure, rigidity is coordinated from top to bottom, and power transmission is clear, meets the process requirements of cable laying, has the ability resisting more by force the natural calamity such as strong wind, icing; Efficiently solve 220kV multiple loop transmission line to make somebody a mere figurehead the tower changed with cable and use problem, floor space is little.

Description

The narrow base steel tube tower of a kind of 220kV tetra-return cable terminal
Technical field
The utility model belongs to work transmission line, is specifically related to the narrow base steel tube tower of a kind of 220kV tetra-return cable terminal.
Background technology
Along with national economy development, city original electrical network transmission capacity can not meet growing electricity needs, and city network needs continuous dilatation, for saving Urban Land, often adopts multiple loop transmission line.Contradiction between new power grid construction and urban planning construction, resident living, solution mainly contains two kinds, and first is adopt to put cable underground, but, put cable underground construction and maintenance cost too high, once break down, inspection and maintenance difficulty is also very large.Second is still adopt overhead wire, reduces line corridor and construction land.At present, city overhead wire adopts steel pipe pole to solve this contradiction substantially, but the condition of steel pipe pole transport and installation requirement is harsh, and as road is not yet formed, steel pipe pole cannot transport and construct; When wire loop number is many, steel pipe pole cannot meet structural bearing capacity requirement etc.
City multiple loop transmission line adopts narrow base steel tube tower and the built on stilts construction mode in conjunction with cable laying, and both compressible line corridor, reduce construction land, can effectively solve urban planning conflict again.The transport of four return cable terminals narrow base steel tube tower detachment and assembling, the narrow base steel tube tower of existing four return cable terminal is mainly used in city four loop transmission line and makes somebody a mere figurehead and the conversion of putting cable underground, although its bearing load is larger, but, it is many that its wire and cable convert back way, and design technology is complicated, makes trouble, cost is high, floor space is large, installs inconvenience.
Utility model content
The technical problems to be solved in the utility model is, overcomes the above-mentioned defect that prior art exists, provides a kind of floor space little, the narrow base steel tube tower of 220kV tetra-return cable terminal easy for installation.
The utility model solves the technical scheme that its technical problem adopts:
The narrow base steel tube tower of a kind of 220kV tetra-return cable terminal, comprise tower head, tower body, tower head is made up of earth wire support, wire cross-arm and tower head body, earth wire support is located at tower head body top, tower head body both sides are stretched out at wire cross-arm two ends respectively, the quantity of wire cross-arm is at least two, each wire cross-arm is arranged on tower head body, also comprise cable platform and at least one cable leading lower carriage, cable leading lower carriage is laterally located at tower head body peripheral, cable platform is located in the middle part of tower body, and tower head body, tower body and each wire cross-arm form " doing " font.
Further, the quantity of described cable leading lower carriage is at least two, preferably three, and each cable leading lower carriage interlaced arrangement is in tower body periphery.
Further, the main material of tower head body is made up of steel pipe, and the X-braced panels angle steel of tower head body is formed.
Further, the main material of tower body and X-braced panels are formed by steel pipe.
Further, described earth wire support, wire cross-arm, cable leading lower carriage and cable platform are formed by angle steel.
Further, the tower root of the narrow base steel pipe of described four return cable terminal opens 4 ~ 6m, and preferred 5m, floor space is little.Steel tube tower adopts the unified gradient from top to bottom.
Further, cable leading lower carriage adopts fish-bellied type triangular truss structure, and the upper planar horizontal of cable leading lower carriage, is convenient to zinc oxide surge arresters and cable terminal.The upper planar cloth of cable leading lower carriage is equipped with two angle steel of encorbelmenting side by side, and wherein the end of an angle steel of encorbelmenting has four arrester installing holes, and the encorbelment end of angle steel of another root has four cable terminal installing holes.
Further, cable platform adopts plane grid structure, and the upper planar horizontal of cable platform, is convenient to installing cables terminals.The upper planar perimeter of cable platform is provided with plane steel plate.Plane steel plate center has cable laying hole.The corner of plane steel plate all has cable terminal installing hole.
Further, on cable platform, plane is also equipped with grid steel plate, is convenient to operating maintenance.Grid steel plate has cable laying Xia Ta hole.Grid steel plate also having and climbs cage installing hole, climbing cage for installing, be beneficial to the upper tower of support personnel unobstructed.
Further, the main material steel pipe of tower body from top to bottom equidistant placement has the long angle steel for cable laying, and adjacent long angle steel is at a distance of 1.0-3.0m, preferred 2.0m.Long angle steel is welded on the main material steel pipe of tower body by angle cleat, is bolted between long angle steel and angle cleat.The front of long angle steel has eight cable cleat installing holes.
The utility model good looking appearance, rational in infrastructure, rigidity is coordinated from top to bottom, and design technology is easy, making is simple, cost is low, and floor space is little, easy for installation, power transmission is clear, meets the process requirements of cable laying, has the ability resisting more by force the natural calamity such as strong wind, icing.Use the utility model, twice 220kV wires convert cable to by the cable terminal on the cable leading lower carriage 4 of tower head above, twice 220kV wires convert cable to by the cable terminal on tower body cable platform 3 below, work simple and reliable, efficiently solve 220kV multiple loop transmission line to make somebody a mere figurehead the tower changed with cable and use problem, steel tower floor space can be effectively reduced simultaneously, reduce line corridor width, channel cleanup expense is significantly reduced.
Accompanying drawing explanation
Fig. 1 (a) is the structural representation of the narrow base steel tube tower of the utility model four return cable terminal.
Fig. 1 (b) is the arrangement schematic diagram of the utility model cable leading lower carriage at tower head.
Fig. 2 is the upper plane structure schematic diagram of the utility model cable leading lower carriage.
Fig. 3 is the upper plane structure schematic diagram of the utility model cable platform.
Fig. 4 is the plane steel plate structural representation on the utility model cable platform.
Fig. 5 is the grid steel plate structure schematic diagram on the utility model cable platform.
Fig. 6 is the front view after the assembling of the main material steel pipe of the utility model tower body, long angle steel and angle cleat.
Fig. 7 (a) is the top view after the assembling of main material steel pipe, long angle steel and angle cleat shown in Fig. 6.
Fig. 7 (b) is the structural representation of long angle steel.
In figure: 1---tower head; 1-1---earth wire support; 1-2---wire cross-arm; 1-3---tower head body; 2---tower body; 3---cable platform; The plane steel plate of 3-1---cable platform; 3-2---grid steel plate; 3-3---cable laying Xia Ta hole; 3-4---climb cage installing hole; The cable laying hole of 3-5---plane steel plate; 3-6---the cable terminal installing hole on plane steel plate; 4---cable leading lower carriage; 4-1---angle steel of encorbelmenting; 4-2---the arrester installing hole of encorbelmenting on angle steel; 4-3---the cable terminal installing hole of encorbelmenting on angle steel; 5-1---long angle steel; 5-2---angle cleat; 5-3---the cable cleat installing hole on long angle steel; 6---the main material steel pipe of tower body; 7---the X-braced panels steel pipe of tower body; 8---the main material steel pipe of tower head body; 9---the X-braced panels angle steel of tower head body.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to Fig. 1 (a), Fig. 1 (b), the narrow base steel tube tower of 220kV tetra-return cable terminal of the present embodiment, comprise tower head 1, tower body 2, tower head 1 is by the earth wire support 1-1 for hanging ground wire, wire cross-arm 1-2 and tower head body 1-3 forms, earth wire support 1-1 is located at tower head body 1-3 top, wire cross-arm 1-2 stretches out at two ends tower head body 1-3 both sides respectively, the quantity of wire cross-arm 1-2 is at least two, each wire cross-arm 1-2 is arranged on tower head body 1-3, also comprise cable platform 3 and at least one cable leading lower carriage 4, cable leading lower carriage 4 is laterally located at tower head body 1-3 periphery, cable platform 3 is located in the middle part of tower body 2, tower head body 1-3, tower body 2 and each wire cross-arm 1-2 form " doing " font.
The main material of tower head body 1-3 is made up of steel pipe, and the X-braced panels angle steel of tower head body 1-3 is formed.In Fig. 1 (a), as shown in the reference numeral 8, the X-braced panels angle steel of tower head body as shown in the reference numeral 9 for the main material steel pipe of tower head body.
The main material of tower body 2 and X-braced panels are formed by steel pipe.In Fig. 1 (a), as shown in the reference numeral 6, the X-braced panels steel pipe of tower body as shown in the reference numeral 7 for the main material steel pipe of tower body.
Described earth wire support 1-1, wire cross-arm 1-2, cable leading lower carriage 4 and cable platform 3 are formed by angle steel.
The tower root of the narrow base steel pipe of described four return cable terminal opens 5m, and floor space is little.Steel tube tower adopts the unified gradient from top to bottom.
In the present embodiment, the quantity of each wire cross-arm 1-2 is six, for hanging four return wires.
In the present embodiment, the quantity of cable leading lower carriage 4 is three.Each cable leading lower carriage 4 interlaced arrangement is in tower body 2 periphery.
With reference to Fig. 2, cable leading lower carriage 4 adopts fish-bellied type triangular truss structure, and the upper planar horizontal of cable leading lower carriage 4, is convenient to zinc oxide surge arresters and cable terminal.The upper planar cloth of cable leading lower carriage 4 is equipped with two angle steel 4-1 that encorbelment side by side, and wherein the end of an angle steel of encorbelmenting has four arrester installing hole 4-2, and the encorbelment end of angle steel of another root has four cable terminal installing hole 4-3.
With reference to Fig. 3, Fig. 4, cable platform 3 adopts plane grid structure, and the upper planar horizontal of cable platform 3, is convenient to installing cables terminals.The upper planar perimeter of cable platform 3 is provided with plane steel plate 3-1, and plane steel plate 3-1 is located at position as shown in A in Fig. 3.Plane steel plate 3-1 center has cable laying hole 3-5, and plane steel plate 3-1 and cable platform 3 are bolted fixing.The corner of plane steel plate 3-1 all has cable terminal installing hole 3-6.
With reference to Fig. 5, on cable platform 3, plane is also equipped with grid steel plate 3-2, is convenient to operating maintenance.Grid steel plate 3-2 has cable laying Xia Ta hole 3-3.Grid steel plate 3-2 also having and climbs cage installing hole 3-4, climbing cage for installing, be beneficial to the upper tower of support personnel unobstructed.
With reference to Fig. 6, Fig. 7 (a) and Fig. 7 (b), the main material steel pipe 6 of tower body from top to bottom equidistant placement has the long angle steel 5-1 for cable laying, and adjacent long angle steel 5-1 is at a distance of 2.0m.Long angle steel 5-1 is welded on the main material steel pipe 6 of tower body by angle cleat 5-2, is bolted between long angle steel 5-1 and angle cleat 5-2.The front of long angle steel 5-1 has eight cable cleat installing hole 5-3.
During use, above twice 220kV wires convert cable to by the cable terminal on the cable leading lower carriage 4 of tower head, below twice 220kV wires convert cable to by the cable terminal on tower body cable platform 3.
Above detailed introduction is done to a kind of preferred embodiment of the present utility model.Described detailed description of the invention just understands core concept of the present utility model for helping.It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify the protection domain also belonging to the utility model claim.

Claims (10)

1. the narrow base steel tube tower of 220kV tetra-return cable terminal, comprise tower head, tower body, tower head is by earth wire support, wire cross-arm and tower head body composition, earth wire support is located at tower head body top, tower head body both sides are stretched out at wire cross-arm two ends respectively, the quantity of wire cross-arm is at least two, each wire cross-arm is arranged on tower head body, it is characterized in that, also comprise cable platform and at least one cable leading lower carriage, cable leading lower carriage is laterally located at tower head body peripheral, cable platform is located in the middle part of tower body, tower head body, tower body and each wire cross-arm form " doing " font.
2. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 1, it is characterized in that, the quantity of described cable leading lower carriage is at least two, and each cable leading lower carriage interlaced arrangement is in tower body periphery.
3. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 2, is characterized in that, the quantity of described cable leading lower carriage is three.
4. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 1 and 2, it is characterized in that, the main material of tower head body is made up of steel pipe, and the X-braced panels angle steel of tower head body is formed; The main material of tower body and X-braced panels are formed by steel pipe; Described earth wire support, wire cross-arm, cable leading lower carriage and cable platform are formed by angle steel.
5. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 1 and 2, is characterized in that, the tower root of the narrow base steel pipe of described four return cable terminal opens 4 ~ 6m.
6. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 1 and 2, is characterized in that, the tower root of the narrow base steel pipe of described four return cable terminal opens 5m.
7. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 1 and 2, it is characterized in that, cable leading lower carriage adopts fish-bellied type triangular truss structure, the upper planar horizontal of cable leading lower carriage, the upper planar cloth of cable leading lower carriage is equipped with two angle steel of encorbelmenting side by side, wherein the end of an angle steel of encorbelmenting has four arrester installing holes, and the encorbelment end of angle steel of another root has four cable terminal installing holes.
8. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 1 and 2, it is characterized in that, cable platform adopts plane grid structure, the upper planar horizontal of cable platform, the upper planar perimeter of cable platform is provided with plane steel plate, plane steel plate center has cable laying hole, and the corner of plane steel plate all has cable terminal installing hole.
9. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 1 and 2, it is characterized in that, on cable platform, plane is also equipped with grid steel plate, grid steel plate has cable laying Xia Ta hole, grid steel plate also has and climbs cage installing hole.
10. the narrow base steel tube tower of 220kV tetra-return cable terminal according to claim 4, it is characterized in that, the main material steel pipe of tower body from top to bottom equidistant placement has the long angle steel for cable laying, adjacent long angle steel is at a distance of 1.0-3.0m, long angle steel is welded on the main material steel pipe of tower body by angle cleat, be bolted between long angle steel and angle cleat, the front of long angle steel has eight cable cleat installing holes.
CN201520396058.2U 2015-06-10 2015-06-10 The narrow base steel tube tower of a kind of 220kV tetra-return cable terminal Expired - Fee Related CN204691375U (en)

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Application Number Priority Date Filing Date Title
CN201520396058.2U CN204691375U (en) 2015-06-10 2015-06-10 The narrow base steel tube tower of a kind of 220kV tetra-return cable terminal

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847157A (en) * 2015-06-10 2015-08-19 中国能源建设集团湖南省电力设计院有限公司 220kV four-circuit cable terminal narrow-base steel tube tower
CN105464448A (en) * 2015-12-22 2016-04-06 中国电力工程顾问集团西北电力设计院有限公司 330 kV AC three-loop power transmission line commutation tower in high altitude areas
CN111593931A (en) * 2020-06-10 2020-08-28 中国电力工程顾问集团西北电力设计院有限公司 330kV/110kV thoughtlessly presses narrow base steel pipe of four return circuits tower that dangles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847157A (en) * 2015-06-10 2015-08-19 中国能源建设集团湖南省电力设计院有限公司 220kV four-circuit cable terminal narrow-base steel tube tower
CN105464448A (en) * 2015-12-22 2016-04-06 中国电力工程顾问集团西北电力设计院有限公司 330 kV AC three-loop power transmission line commutation tower in high altitude areas
CN111593931A (en) * 2020-06-10 2020-08-28 中国电力工程顾问集团西北电力设计院有限公司 330kV/110kV thoughtlessly presses narrow base steel pipe of four return circuits tower that dangles

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Granted publication date: 20151007