CN206220619U - A kind of single time overhead transmission line cable T joint draws lower anchor support - Google Patents
A kind of single time overhead transmission line cable T joint draws lower anchor support Download PDFInfo
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- CN206220619U CN206220619U CN201621080240.8U CN201621080240U CN206220619U CN 206220619 U CN206220619 U CN 206220619U CN 201621080240 U CN201621080240 U CN 201621080240U CN 206220619 U CN206220619 U CN 206220619U
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Abstract
一种单回架空输电线路电缆T接引下耐张塔,包括塔身、地线横担、上层辅助横担、中层导线横担、下层辅助横担、电缆悬挂支架、卜字型电缆引下终端和支柱绝缘子;地线横担设置在塔身的顶端,垂直于线路方向布置两边横担;所述上层辅助横担设置在地线横担的下方,垂直于线路方向布置一边横担,且上层辅助横担的稍部固定卜字型电缆引下终端和支柱绝缘子;上层横担与塔身相连处的下部固定耐张串悬挂中相导线。本实用新型的有益效果:该单回架空输电线路电缆T接引下耐张塔,提出单回路耐张T接引下方案,仅需采用一基单回路电缆T接耐张塔实现电缆T接,建设费用较低,占地面积较小,不改变原线路排列方式,适合邻近直线塔建设,可作为耐张塔使用。
A single-circuit overhead transmission line cable T-lead lower tension tower, including tower body, ground wire cross arm, upper auxiliary cross arm, middle layer conductor cross arm, lower layer auxiliary cross arm, cable suspension bracket, and B-shaped cable down lead Terminal and post insulators; the ground wire cross arm is arranged on the top of the tower body, and the two side cross arms are arranged perpendicular to the line direction; the upper layer auxiliary cross arm is arranged under the ground wire cross arm, and one side arm is arranged perpendicular to the line direction, The lower portion of the auxiliary cross arm on the upper layer is fixed with a bulge-shaped cable down-lead terminal and the post insulator; the lower portion of the upper layer of the auxiliary cross arm is fixed with a tension string to suspend the middle phase conductor. Beneficial effects of the utility model: the single-circuit overhead transmission line cable T-connection under the tension tower proposes a single-circuit tension T-connection scheme, only need to use a basic single-circuit cable T connection tension tower to realize the cable T connection , the construction cost is low, the floor area is small, and the original line arrangement is not changed, it is suitable for the construction of adjacent linear towers, and can be used as a tension tower.
Description
技术领域technical field
本实用新型涉及高压输电线路技术领域,尤其是一种单回架空输电线路电缆T接引下耐张塔。The utility model relates to the technical field of high-voltage transmission lines, in particular to a tension-resistant tower under the cable T connection of a single-circuit overhead transmission line.
背景技术Background technique
目前现有技术既有方案通常采用一基双回路电缆终端塔,该终端塔采通常采用鼓型布置,并于下层导线横担下方增加一层辅助横担。在单回架空线路电缆T接引下工程中,利用双回路终端塔的单侧上三层导线横担悬挂导线,利用导线横担与辅助横担悬挂电缆终端,并通过跳线将导线绕引至电缆终端的悬垂串、避雷器及电缆头连接处,从而实现架空线路电缆T接引下。At present, existing solutions in the prior art usually adopt a base double-circuit cable terminal tower, which is usually arranged in a drum shape, and a layer of auxiliary cross-arm is added below the lower conductor cross-arm. In the single-circuit overhead line cable T connection project, use the three-layer conductor cross arm on one side of the double-circuit terminal tower to suspend the conductor, use the conductor cross arm and auxiliary cross arm to suspend the cable terminal, and lead the conductor through the jumper To the hanging string of the cable terminal, the lightning arrester and the connection of the cable head, so as to realize the T connection of the overhead line cable.
采用双回路耐张杆塔实现T接,建设费用较高,塔基占地面积较大,T接处导线悬挂点呈垂直排列与常规三角型或上字型的排列方式不同,造成相邻直线塔导线悬垂串偏离铅直状态,当电气间隙不满足要求时,需进行邻塔改造,从而大幅增加建设费用和占地面积。The double-circuit tension pole tower is used to realize the T connection, the construction cost is high, and the tower base occupies a large area. The vertical arrangement of the wire suspension points at the T connection is different from the conventional triangular or upper-shaped arrangement, resulting in adjacent straight-line towers. The wire suspension string deviates from the vertical state. When the electrical clearance does not meet the requirements, the adjacent tower needs to be rebuilt, which greatly increases the construction cost and floor space.
实用新型内容Utility model content
为了克服现有技术的不足,本实用新型提供一种单回架空输电线路电缆T接引下耐张塔,该单回架空输电线路电缆T接引下耐张塔,提出单回耐张T接引下方案,仅需采用一基单回路电缆T接耐张塔实现电缆T接,建设费用较低,占地面积较小,不改变原线路排列方式,适合邻近直线塔建设,可作为耐张塔使用。In order to overcome the deficiencies of the prior art, the utility model provides a single-circuit overhead transmission line cable T-connection lower tension tower. The single-circuit overhead transmission line cable T-connection lower tension tower proposes a single-circuit The down-leading scheme only needs to use a basic single-circuit cable T-connection to the tension tower to realize the cable T-connection. The construction cost is low, the floor space is small, and the original line arrangement is not changed. It is suitable for the construction of adjacent straight-line towers and can be used as a tension tower. tower use.
本实用新型解决上述技术问题所采用的技术方案是:The technical solution adopted by the utility model to solve the problems of the technologies described above is:
一种单回架空输电线路电缆T接引下耐张塔,包括塔身、地线横担、上层辅助横担、中层导线横担、下层辅助横担、电缆悬挂支架、卜字型电缆引下终端和支柱绝缘子。A single-circuit overhead transmission line cable T-lead lower tension tower, including tower body, ground wire cross arm, upper layer auxiliary cross arm, middle layer conductor cross arm, lower layer auxiliary cross arm, cable suspension bracket, and B-shaped cable down lead Terminal and post insulators.
所述地线横担设置在塔身的顶端,垂直于线路方向布置两边横担。The ground wire cross arms are arranged on the top of the tower body, and the cross arms on both sides are arranged perpendicular to the line direction.
所述上层辅助横担设置在地线横担的下方,垂直于线路方向布置一边横担,且上层辅助横担的稍部固定卜字型电缆引下终端和支柱绝缘子。上层横担与塔身相连处的下部固定耐张串悬挂中相导线。The upper layer auxiliary cross arm is arranged below the ground wire cross arm, and one side arm is arranged perpendicular to the line direction, and the upper auxiliary cross arm is fixed with a D-shaped cable down-lead terminal and a post insulator. The middle-phase conductor is suspended by fixed tension strings at the lower part where the upper cross arm connects with the tower body.
所述中层导线横担设置在上层辅助横担的下方,垂直线路方向布置两边横担,中层横担稍部固定耐张串悬挂边相导线,中层导线横担稍部设有固定卜字型电缆引下终端的电缆悬挂支架。The middle-level conductor cross-arm is arranged below the upper-level auxiliary cross-arm, and the cross-arms on both sides are arranged perpendicular to the direction of the line. Cable suspension brackets for down-conductor terminals.
所述下层辅助横担设置在中层导线横担的下方,垂直线路方向布置两边横担,下层辅助横担的稍部设有固定卜字型电缆引下终端的电缆悬挂支架,所述电缆悬挂支架设置在下层辅助横担的两边横担上。The auxiliary cross arm of the lower layer is arranged under the cross arm of the middle layer conductor, and the cross arms on both sides are arranged perpendicular to the direction of the line. It is set on the cross arms on both sides of the auxiliary cross arms of the lower layer.
所述卜字型电缆引下终端由电缆头、悬垂绝缘子串和避雷器构成。The bu-shaped cable down-conductor terminal is composed of a cable head, a string of hanging insulators and a lightning arrester.
本实用新型的有益效果:该单回架空输电线路电缆T接引下耐张塔,提出单回路耐张T接引下方案,仅需采用一基单回路电缆T接耐张塔实现电缆T接,建设费用较低,占地面积较小,不改变原线路排列方式,适合邻近直线塔建设,可作为耐张塔使用。Beneficial effects of the utility model: the single-circuit overhead transmission line cable T-connection under the tension tower, a single-circuit tension T-connection scheme is proposed, only need to use a basic single-circuit cable T connection tension tower to realize the cable T connection , the construction cost is low, the floor area is small, and the original line arrangement is not changed, it is suitable for the construction of adjacent linear towers, and can be used as a tension tower.
附图说明Description of drawings
下面结合附图和实施例进一步说明。Further description will be given below in conjunction with the accompanying drawings and embodiments.
图1是本实用新型的结构示意图;Fig. 1 is a structural representation of the utility model;
图2是本实用新型的接线示意图;Fig. 2 is the wiring schematic diagram of the present utility model;
图3是图2的俯视图。FIG. 3 is a top view of FIG. 2 .
具体实施方式detailed description
如图1-图3所示的一种单回架空输电线路电缆T接引下耐张塔,包括塔身1,地线横担2,上层辅助横担3,中层导线横担4,下层辅助横担5,电缆悬挂支架6,卜字型电缆引下终端7、支柱绝缘子8。As shown in Figures 1-3, a single-circuit overhead transmission line cable T-connected lower tension tower includes a tower body 1, a ground wire cross arm 2, an upper auxiliary cross arm 3, a middle wire cross arm 4, and a lower auxiliary cross arm. Cross arm 5, cable suspension bracket 6, BU-shaped cable down-lead terminal 7, post insulator 8.
塔身1最上方垂直线路方向设置地线横担2,用于悬挂地线;地线横担2下方垂直线路方向设置上层辅助横担3,其稍部用于固定卜字型电缆引下终端7与支柱绝缘子8;上层辅助横担3下方垂直线路方向于塔身1两侧设置中层导线横担4,中层导线横担4稍部固定耐张串悬挂边相导线,中层导线横担4稍部设置电缆悬挂支架6用于固定卜字型电缆引下终端7;中层导线横担4下方垂直线路方向于塔身1两侧设置下层辅助横担5,下层辅助横担5稍部设置电缆悬挂支架6用于固定卜字型电缆引下终端7。The ground wire cross arm 2 is arranged on the top of the tower body 1 in the vertical line direction, which is used to suspend the ground wire; the upper floor auxiliary cross arm 3 is arranged in the vertical line direction below the ground wire cross arm 2, and its apex is used to fix the B-shaped cable down-lead terminal 7 and post insulator 8; the upper layer auxiliary cross arm 3 is vertical to the line direction and the middle layer conductor cross arm 4 is arranged on both sides of the tower body 1, the middle layer conductor cross arm 4 is slightly fixed to the tension string and the side phase conductor is suspended, and the middle layer conductor cross arm 4 is slightly A cable suspension bracket 6 is arranged at the bottom to fix the down-lead terminal 7 of the B-shaped cable; the lower auxiliary cross arm 5 is arranged on both sides of the tower body 1 in the direction of the vertical line under the middle conductor cross arm 4, and the lower auxiliary cross arm 5 is provided with a cable suspension The bracket 6 is used to fix the down-conducting terminal 7 of the B-shaped cable.
上层辅助横担3与塔身1连接处下部固定耐张串悬挂中相导线9,中相导线9利用跳线通过支柱绝缘子8绕引接至卜字型电缆引下终端7;中层导线横担4梢部固定耐张串悬挂边相导线,边相导线利用跳线绕引接至卜字型电缆引下终端7。The lower part of the connection between the auxiliary cross arm 3 on the upper layer and the tower body 1 is fixed in a tension string to suspend the middle phase wire 9, and the middle phase wire 9 is connected to the down-lead terminal 7 of the B-shaped cable through a jumper wire through the post insulator 8; the middle wire cross arm 4 The tip is fixed in tension strings to suspend the side-phase conductors, and the side-phase conductors are connected to the down-lead terminal 7 of the BU-shaped cable by means of a jumper wire.
卜字型电缆引下终端7由电缆头、悬垂绝缘子串和避雷器构成。The BU-shaped cable down-conductor terminal 7 is composed of a cable head, a suspension insulator string and a lightning arrester.
横担间距、长度等参数综合考虑电气间隙、电缆弯曲、终端布置、设施参数等条件设计确定。Cross-arm spacing, length and other parameters are designed and determined comprehensively considering conditions such as electrical clearance, cable bending, terminal arrangement, and facility parameters.
本实用新型已经通过上述实施例进行了说明,但应当理解的是,上述实施例只是用于举例和说明的目的,而非意在将本实用新型限制于所描述的实施例范围内。此外本领域技术人员可以理解的是,本实用新型并不局限于上述实施例,根据本实用新型的教导还可以做出更多种的变型和修改,这些变型和修改均落在本实用新型所要求保护的范围以内。The utility model has been described through the above embodiments, but it should be understood that the above embodiments are only for the purpose of illustration and description, and are not intended to limit the utility model to the scope of the described embodiments. In addition, those skilled in the art can understand that the utility model is not limited to the above-mentioned embodiments, and more variations and modifications can be made according to the teaching of the utility model, and these variations and modifications all fall within the scope of the utility model. within the scope of protection.
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CN201621080240.8U CN206220619U (en) | 2016-09-26 | 2016-09-26 | A kind of single time overhead transmission line cable T joint draws lower anchor support |
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CN201621080240.8U CN206220619U (en) | 2016-09-26 | 2016-09-26 | A kind of single time overhead transmission line cable T joint draws lower anchor support |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106555497A (en) * | 2016-09-26 | 2017-04-05 | 安徽华电工程咨询设计有限公司 | A kind of single time overhead transmission line cable T joint draws lower anchor support |
CN108565808A (en) * | 2018-06-14 | 2018-09-21 | 国网安徽省电力有限公司芜湖供电公司 | A kind of cable for built single time anchor support draws lower special pole |
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2016
- 2016-09-26 CN CN201621080240.8U patent/CN206220619U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106555497A (en) * | 2016-09-26 | 2017-04-05 | 安徽华电工程咨询设计有限公司 | A kind of single time overhead transmission line cable T joint draws lower anchor support |
CN108565808A (en) * | 2018-06-14 | 2018-09-21 | 国网安徽省电力有限公司芜湖供电公司 | A kind of cable for built single time anchor support draws lower special pole |
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