CN102290742A - Tension Stringing Technology - Google Patents

Tension Stringing Technology Download PDF

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CN102290742A
CN102290742A CN201110248988XA CN201110248988A CN102290742A CN 102290742 A CN102290742 A CN 102290742A CN 201110248988X A CN201110248988X A CN 201110248988XA CN 201110248988 A CN201110248988 A CN 201110248988A CN 102290742 A CN102290742 A CN 102290742A
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construction
tension
unfolding
wire
rope
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CN201110248988XA
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CN102290742B (en
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彭世建
熊文欢
童庆望
邹俊
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湖北省输变电工程公司
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Abstract

The invention discloses a tension stringing construction technology comprising the following steps: 1, performing construction preparation: preferentially selecting a tow field and clearing a construction channel after passing the crimping test of wires and earth wires; 2, performing synchronous spreading: adopting two one-pull-four stretching and tensioning machine sets to synchronously spread same-phase eight bundled sub-wires, and matching with a suspended five-wheel paying-off pulley; 3, spreading a pulling rope and a wire, performing tension paying off, and temporarily anchoring in the paying off process; 4, performing span construction: erecting a span frame, spreading a leading rope in the air for paying-off operation; and 5, performing wire crimping, tightening the wire and observing the sag and anchor line, thus finishing the whole construction. By utilizing the tension stringing construction technology provided by the invention, the wastes of labor power and time are reduced, the construction efficiency is effectively improved, the construction equipment of the existing line is fully used, the investment of equipment is reduced, and simultaneously the safety is improved.

Description

张力架线施工工艺 Tension Stringing Technology

技术领域 FIELD

[0001] 本发明涉及输变电电力线路施工工艺,具体地说涉及一种特高压线路中张力架线施工工艺。 [0001] The present invention relates to construction technology of power transmission and distribution lines, particularly relates to a process for Tension Stringing UHV lines.

背景技术 Background technique

[0002] 由于IOOOkV特高压线路工程采用8分裂导线,其放线施工在国内外尚无经验可循,IOOOkV特高压线路输送电安全性要求高,施工过程中,架线施工方案的确定、设备选择、 放线滑车的悬挂、导地线压接等每个工艺施工步骤,都对整体的施工质量产生很大的影响, 本发明依托IOOOkV武汉特高压试验基地,将每一步施工工艺进行多次的试验,在分析试验结构和试验过程中总结出整体的施工工艺,凝聚了大量的智力劳动成果。 [0002] Since IOOOkV UHV transmission line project in 8 bundled conductors, its pay-no experience in domestic and foreign construction to follow, IOOOkV UHV transmission of high electrical safety requirements, the construction process, to determine the overhead line construction program, equipment Alternatively, the suspension line tackle, each step of the construction process on cables pressure bonding or the like, have a large impact on the overall quality of construction, the present invention relies IOOOkV Wuhan UHV base, each step of the construction process is performed a plurality of times the test, summed up the whole construction process analysis and test construction during the test, the combination of a large number of intellectual labor.

发明内容 SUMMARY

[0003] 本发明的目的在于解决上述背景技术中存在的问题,提出一种适用于特高压线路中张力架线施工工艺,其技术方案如下: [0003] The object of the present invention is to solve the above-described problems of the background art, to provide a suitable tension Stringing Technology UHV lines, technical solutions are as follows:

[0004] 张力架线施工工艺,包括以下步骤: [0004] Tension Stringing process comprising the steps of:

[0005] ①、施工准备:进行导线、地线的压接试验合格后,择优选取牵张场,清理施工通道; [0005] ①, construction preparation: for wire after crimping passed the test ground, stretch preferentially select field, cleaning channel construction;

[0006] ②、同步展放:采用两套“一牵四”张牵机组同步展放同相八分裂子导线,配套悬挂五轮放线滑车; [0006] ②, synchronization Unfolding: The two sets of "one led by four" Zhang led unit synchronization Unfolding split with sub-phase eight-wire, hanging five supporting line tackle;

[0007] ③、展放牵引绳、展放导线、张力放线,放线过程中临锚; [0007] ③, Unfolding traction rope, wire Unfolding, tension stringing, actinomycetes during temporary anchor;

[0008] ④、跨越施工,搭设跨越架,悬空展放导引绳进行放线操作; [0008] ④, spanning construction, erection Crossing dangling expanded pilot wire pay-off operation;

[0009] ⑤、压接导线,进行紧线、观测弛度、锚线,完成整个施工。 [0009] ⑤, crimping wire, a tight line, sag observation, the anchor line, to complete the construction.

[0010] 进一步地,在步骤①中还包括根据施工线路的标段数量、路径长度、铁塔基的数量、跨越的距离选择导地线的规格型号和牵引绳、导引绳的规格及参数。 [0010] Further, in the step ① further comprising a number of construction lines tenders, path length, the iron tower, the distance across the selected specification model and guide the ground traction rope, rope guide specifications and parameters.

[0011] 进一步地,在步骤②中,所述五轮放线滑车为组合式挂胶五轮导线放线滑车,组合式五轮导线放线滑车的车轮连接额定负荷大于180KN的一牵四牵引走板,一牵四牵引走板连接4X50KN的四线提线器,每相提线器分成两组同步操作提升。 [0011] Further, in the step ②, the five line tackle a combined rubberized wire line tackle five, five modular trolley wire payout wheel is greater than the rated load is connected to a retractor four traction 180KN running board, four pulling a pull down four-wire connection plate 4X50KN mentioned thread, each thread split into two groups mentioned phase synchronization lift.

[0012] 在上述技术方案中,所述两个五轮放线滑车利用依次连接的联板和平行挂板悬挂,在绝缘子串下方同时挂两个五轮放线。 [0012] In the above aspect, the two parallel plates with five sequentially connected line tackle using hanging suspension plate, while two five Actinomyces hanging below the insulator string.

[0013] 在上述技术方案中,在直线塔上两个五轮放线滑车分别底部安装连杆,使两个滑车成为一个整体,在五轮放线滑车和塔身之间连接有钢丝绳;在耐张塔上两个五轮放线滑车悬挂方式为,采取四组合形式,两边相的五轮放线滑车中的第一组五轮放线滑车挂在挂点主材上,两个五轮放线滑车之间使用撑铁支撑,在耐张塔铁塔的临时挂架上挂两边相的第二组五轮放线滑车,中间相的一组五轮放线滑车挂于挂点上,另一组五轮放线滑车挂于内角侧主材上。 [0013] In the above aspect, two column in five straight line tackle are attached to the bottom of the link, the two pulley as a whole, the rope is connected between the five line tackle and tower; in Strain on two five column line tackle suspended way, take the form of a combination of four, the first group of five line tackle line tackle five sides with the point of hanging hung on the main material, two five between the support using iron support line tackle, the second group of five in the temporary line tackle strain tower pylon tower phase hung on both sides, a group of five line tackle mesophase hung on the hanging points, another a group of five line tackle hung on the inner angle side of the main member.

[0014] 进一步地,在步骤③中,所述张力放线过程中,地线的展放顺序为:首先采用动力 [0014] Further, in the step ③, the tension stringing process, ground Unfolding order: Firstly, the power

4伞展放直径Φ为3. 5mm高强的锦纶绳,然后人工展放直径Φ为8毫米的迪尼玛绳,最后依次展放外形为方形且边长为15mm的防扭钢丝绳和光缆。 4 umbrella Unfolding of diameter Φ 3. 5mm high strength nylon rope and manually Unfolding of 8 mm diameter Φ Dinimasheng, and finally sequentially show the discharge profile is square and the side length of 15mm anti-twist of rope and cable.

[0015] 进一步地,在步骤③中,展放牵引绳时,牵引绳的最大张力小于25kN,张力车的张力控制在每根牵引绳16〜18kN之间。 When [0015] Further, in the step ③, the Unfolding traction rope, traction rope tension is less than 25kN is the maximum, the tension in the tension control vehicle traction rope between each 16~18kN.

[0016] 更进一步地,在步骤③中,展放导线时,单导线的最大张力小于18kN,张力车的总张力在40〜72kN之间,大牵车的牵引力为94kN〜96kN。 [0016] Further, in the step ③, when Unfolding wire, the maximum tension is less than 18 kN single conductor, the total tension of the tension between the vehicle 40~72kN, large traction vehicles led to 94kN~96kN.

[0017] 更进一步地,在步骤③中,所述张力放线过程中,导线的展放顺序为:首先采用动力伞展放直径Φ为3. 5mm高强锦纶绳,然后人工展放直径Φ为8毫米的迪尼玛绳,再展放外形为方形且边长为15mm的防扭钢丝绳,进行分绳后,机械展放外形为方形且边长为M牵引绳,然后采用2X “一牵四”的方式机械展放导线。 [0017] Further, in the step ③, the tension stringing process, show the wire discharge order: Firstly DongLiSan Unfolding of diameter Φ 3. 5mm high strength nylon rope and manually Unfolding of diameter Φ Dinimasheng 8mm, and then show release profile and a square side length of 15mm anti-twist rope, rope points after mechanical Unfolding square shape and a side length M pulling rope, then using 2X "a retractor four "Putting Leads mechanical way.

[0018] 再进一步地,在步骤④中,所述跨越施工过程中,在跨越物为IOkV电力线时,人工进行高空逐片向上拼装组立,采用吊绳人力提拉标准片;在跨越物为35kV电力线时,采取电缆过渡,保证放线作业不停电操作;在跨越物为二级公路处,搭设窗式跨越架施工。 [0018] Still further, in the step ④, the spanning construction process, when the object is IOkV across power lines, high-altitude manually assembled set up by standing sheet, using standard lifting sling human sheet; at the crossing thereof is when 35kV power line, cable transition taken to ensure that the discharge line operation without power operation; secondary road across the object, the erection of a window frame construction of formula span.

[0019] 本发明设计的张力架线施工工艺,在施工准备阶段,合理选择使用的设备参数,减小了人力、时间的浪费,有效提高了施工效率;采用同步展放的方式,充分利用现有线路的施工机具,减小了设备的投资;具体施工过程中在两个滑车底部加工连杆,使两个滑车成为一个整体,防止滑车在放线过程中发生相对迈步;在滑车和塔身之间连接一根钢丝绳,解决了滑车的迈步问题;展放牵引绳、展放导线、张力放线的工艺过程保证了施工的可靠性,使施工的每个步骤质量可控,提高了施工效率;跨越施工的过程根据跨越物的参数选择合适跨越架施工,提高了安全性和施工效率。 [0019] The present invention is designed stringing tension construction process, the construction preparation stage, a reasonable choice of parameters of the device used to reduce the waste of manpower, time and improve the efficiency of construction; Unfolding synchronous way, full use is now there are lines of construction machinery, equipment investment is reduced; the specific construction process in two trolley bottom link processing, the two pulley as a whole, to prevent the occurrence of the trolley relative to move in the discharge line process; block and the tower the connection between a rope, to solve the problem move the trolley; Unfolding traction rope, wire Unfolding, tension process line to ensure the reliability of the construction, so that each step of the construction quality control, to improve the efficiency of construction ; spanning construction process to select the appropriate carrier construction according to the parameters across the span thereof, and improve the safety of construction efficiency.

[0020] 本发明完全满足了标准化施工的要求,可用于指导IOOOkV交流特高压变电站架空线的标准化施工,为特高压试验示范工程安全施工、提高工效、实现环保目标提供了技术支持,也为今后国内其它特高压项目中使用同类型导线施工具有重大的参考价值和指导意义。 [0020] The present invention fully meet the standardization of construction requirements, it can be used to standardize construction guidance IOOOkV exchange UHV substation overhead line for UHV engineering construction safety, improve efficiency and achieve environmental goals provide technical support, but also for the future use the same type of wire construction is of great reference value and significance other domestic UHV projects.

附图说明 BRIEF DESCRIPTION

[0021] 图1为本发明总体施工工艺流程图; [0021] FIG 1 FIG overall construction process of the present invention;

[0022] 图2为发明详细的施工步骤; [0022] FIG. 2 is a detailed construction step of the invention;

[0023] 图3为导线展放过程中的走板连接图,图中,1-方形线且边长为24mm的防扭钢丝绳,2-180KN旋转器,3-走板,4-80KN旋转器、5_20防扭钢丝绳,6-80KN旋转器。 [0023] FIG. 3 is a process view of the wire connection plate away Unfolding the figures, 1 square side length of 24mm and a cable anti-twist rope, 2-180KN rotator 3- running board, 4-80KN rotator , 5_20 anti-twist rope, 6-80KN rotator.

具体实施方式 Detailed ways

[0024] 下面结合附图和实施例对本发明作进一步的详细说明。 Drawings and embodiments of the present invention will be further described in detail [0024] below in conjunction.

[0025] 张力架线施工工艺的步骤,参阅图1所示,包括以下步骤:①、施工准备:进行导线、地线的压接试验合格后,择优选取牵张场,清理施工通道;②、同步展放:采用两套“一牵四”张牵机组同步展放同相八分裂子导线,配套悬挂五轮放线滑车;③、展放牵引绳、展放导线、张力放线,放线过程中临锚;④、跨越施工,搭设跨越架,悬空展放导引绳进行放线操作;⑤、压接导线,进行紧线、观测弛度、锚线,完成整个施工。 [0025] Tension Stringing process step, see figure, comprising the steps of 1: ①, construction preparation: for wire crimping ground after passing the test, preferred stretch select field, cleaning channel construction; ②, synchronization Unfolding: two sets of "a retractor four" Zhang retractor unit synchronization Unfolding split sub wire-phase eight supporting hanging five line tackle; ③, Unfolding traction rope, Unfolding wire tension stringing, actinomycetes process the temporary anchor; ④, spanning construction, erection crossing dangling expanded pilot wire pay-off operation; ⑤, crimping wire, a tight line, sag observation, the anchor line, to complete the construction.

[0026] 具体实施例[0027] 以IOOOkV交流特高压试验基地试验作为实施例,详细说明本发明的施工工艺。 [0026] Specific Example [0027] In IOOOkV UHVAC test base as Test Example, the construction process of the present invention will be described.

[0028] 1、施工之前 Before [0028] 1, Construction

[0029] 根据施工线路的标段数量、路径长度、铁塔基的数量、跨越的距离选择导地线的规格型号和牵引绳、导引绳的规格及参数,参阅图2所示,进行施工设计计算后确定本工程的主要机械设备及参数选择如下: [0029] The number of lines tenders construction, the path length, the iron tower, the distance across the selected specification model and guide the ground traction rope, rope guide specifications and parameters, refer to FIG. 2, the construction design after calculating and determining the parameters of the main mechanical equipment selection works as follows:

[0030] ①主牵引机额定牵引力[p]: [0030] ① main traction tractor rated [p]:

[0031 ]平地段:P 彡mKpTp = 4X0. 2X119. 50 = 95. 60kN [0031] Flat Lot: P San mKpTp = 4X0 2X119 50 = 95. 60kN..

[0032] 山地段:P 彡mKpTp = 4X0. 3X119. 50 = 143. 40kN [0032] Mountain area: P San mKpTp = 4X0 3X119 50 = 143. 40kN..

[0033] 选180〜250KN主牵引机。 [0033] is selected from 180~250KN main traction machine.

[0034] ②主张力机单线额定制动张力[T]: [0034] ② claims target brake force of the tension-line machine [T]:

[0035]平地段:T = KtTp = 0. 12X119. 50 = 14. 34kN [0035] Flat Lot: T = KtTp = 0. 12X119 50 = 14. 34kN.

[0036] 山地段:T = KtTp = 0. 18X119. 50 = 21. 5IkN [0036] Mountain Lot: T = KtTp = 0. 18X119 50 = 21. 5IkN.

[0037] 选两台4 X 50KN四线张力机组合。 [0037] Two 4 X 50KN selected from the four-wire tensioner composition.

[0038] ③牵引绳最小破断力Qp : [0038] ③ minimal traction rope breaking force Qp:

[0039] Qp 彡3/5mTp = 3/5X4X119. 50 = 286. 80kN,选综合破断拉力Qp = 310kN、规格为外形为方形且边长为M的无纽钢丝绳为本工程的主牵引绳(新购)。 The main [0039] Qp San 3 / 5mTp = 3 / 5X4X119. 50 = 286. 80kN, selected from the comprehensive breaking force Qp = 310kN, a square outer shape and size for the side length of the non-M-based engineering New rope traction rope (New purchase).

[0040] ④导引绳最小破断力Pp : [0040] ④ guide rope minimum breaking force Pp:

[0041] Pp 彡1/4QP = 1/4X286. 80 = 71. 70kN,选破断拉力Pp = 110KN、规格为外形为方形且边长为15mm的无纽钢丝绳为本工程的导引绳。 [0041] Pp San 1 / 4QP = 1 / 4X286. 80 = 71. 70kN, selected from the breaking force Pp = 110KN, a square outer shape and size as the side length of the guide rope without the rope of the present New engineering of 15mm.

[0042] 牵引绳、导引绳规格及参数如下表: [0042] traction rope, rope guide specifications and parameters as follows:

[0043] [0043]

Figure CN102290742AD00061

[0044] ⑤其它主要架线施工机具设备配置 [0044] ⑤ other major construction machinery equipment configuration stringing

[0045] 组合式五轮导线放线滑车:本工程采用符合《放线滑轮直径和槽型》SD158-85标准的“五轮导线放线滑车”,槽底轮径710mm,额定负荷100KN。 [0045] Combination five wire line tackle: This project uses matching "actinomycetes sheave diameter and groove" SD158-85 standard "five wire line tackle" bottom wheel diameter 710mm, the rated load 100KN. 要求必须采用挂胶滑车。 It would necessitate hanging plastic pulley. OPGff 放线滑车采用槽底径916mm、30KN滑车。 OPGff line tackle using root diameter 916mm, 30KN pulley.

[0046] “一牵四牵引走板”,选用额定负荷180KN的一牵四牵引走板。 [0046] "a retractor four traction running board", a selection of rated load pull 180KN four traction running board.

[0047] 4X50KN四线提线器(每相提线采用2组同步操作)。 [0047] 4X50KN four-mentioned thread (each phase line using two sets provide synchronous operation).

[0048] 所有架线工器具必须经过安全技术试验后方可进入现场使用。 [0048] All lineman appliance must undergo technical tests before entering the security field use.

6[0049] 2、两个五轮导线放线滑车的悬挂: 6 [0049] 2, two five wire payout pulley suspension:

[0050] 直线塔上,采用专用工具悬挂:加工了特制联板及平行挂板,采取在绝缘子串下方同时挂两个五轮放线,利于紧线弧垂控制及附件安装等后续工作,没有大量的移线工作,利于提高工艺质量。 The [0050] straight column, using special tools suspension: the special processing associated siding board and parallel, two five taken while hanging below the Actinomycetes insulator string, wire sag facilitate tight control and follow-up installation accessories, not a large number of line shift work, which will help improve the quality of workmanship. 同时在两个滑车底部加工连杆,防止滑车在放线过程中发生相对迈步,使两个滑车成为一个整体,另外在滑车和塔身之间连接一根钢丝绳,解决了滑车的迈步问题。 Simultaneously processing two trolley bottom link, to prevent the occurrence of the trolley relative to move in the discharge line during the two pulley as a whole, an additional connection between the rope pulley and the tower, solving the problem move the sled.

[0051] 耐张塔上,通放放线滑车悬挂方式应采取四组合形式两边相在挂点主材上挂两个一组滑车,两个滑车之间须使用撑铁支撑,在铁塔临时挂架上挂第二组滑车。 [0051] Tension on the tower, through the discharge line tackle suspended manner on both sides of the form to be taken in combination with the four hanging point of the main pulley member hang a set of two, to be used between two supporting struts iron trolley, temporary hanging tower a second set of rack hanging pulley. 中相一组滑车挂于挂点上,另一组挂于内角侧主材上。 A phase set point hanging hung on the pulley, and the other side of the main hanging on the inner angle member.

[0052] 在后面的几个区段放线中将两滑车用两根角钢连接固定,使两个滑车形成整体, 防止两个滑车迈步、跳槽现象。 [0052] in the next few sections actinomycetes two pulley connected two fixing angles, the two pulley formed integrally, preventing two pulley move, hopping phenomenon.

[0053] 3、跨越施工 [0053] 3, spanning construction

[0054] 根据施工线路中跨越物的参数的以下几种方式: [0054] The following parameters were embodiment of the construction line spanned:

[0055] 35KV以下线路及公路、铁路,采用搭设毛竹跨越架; [0055] 35KV the following lines and roads, railways, using the erection of bamboo across the frame;

[0056] 跨越35KV以下线路及公路、铁路,还可采用搭设窗式跨越架,该跨越架重量轻,体积小,安装方便,可由2名熟练工进行高空逐片向上拼装组立,除采用一根吊绳人力提拉标准片外,不需要任何辅助工具,安全性较好。 [0056] The following 35KV lines and across roads, railways, erection may be employed across a window frame type, the frame across the light weight, small size, easy installation, by two skilled aerial stand-by group sheet assembly upward, in addition to using a root lifting sling human standard chip, without any tools, and good safety.

[0057] 35kV〜200kV电力线路及电气化铁路不停电跨越,搭设柱式跨越架(分四柱、每相四柱、每相双柱3种形式),但该型跨越架采用钢结构立柱,单体自重较大,给运输使用带来不便,特别是在山区等交通不便地区不便使用; [0057] 35kV~200kV power line and the power is not electrified railway crossing, erection Crossing column (poster points, each phase four-column, dual column 3 forms each phase), but the use of this type of steel column Crossing monomer weight greater use to transport the inconvenience, inconvenient to use, especially in mountainous areas and other areas of limited traffic;

[0058] 搭设索道式跨越架,分塔上横绑横梁固定承网索道、用塔身本体固定承网索道、在旧导线上铺网、利用山体地面固定承网索道等4种形式; [0058] Crossing of formula cableway erection, partial cross-tie beams fixed on the bearing mesh cableway towers, with the tower body bearing fixed network cable, the wires in the old network capped by the mountain terrestrial network cableway fixed bearing four forms;

[0059] 跨越35kV以下电力线路,可通过电缆过渡。 [0059] 35kV across the power line, may be a transition through a cable.

[0060] 4、导地线的展放 [0060] 4, put on cables exhibition

[0061] 4. 1、导引绳展放 [0061] 4.1, the discharge guide rope exhibition

[0062] 施工方法:采用动力伞悬空展放导引绳方式。 [0062] The construction method: The expanded pilot wire powered parachute floating manner.

[0063] 动力伞是一个体育运动工具,通过对双人动力伞进行改造,使其携带2盘直径Φ 为3. 5mmX2000米高强锦纶绳。 [0063] DongLiSan is a sport tool, by double DongLiSan transformation, it carries a diameter Φ 2 of 3. 5mmX2000 Michael Strong nylon rope. 利用动力伞悬空展放初级导引绳。 Unfolding the primary use of powered parachute dangling rope guide. 每次飞行可展放两根初级导引绳。 Each flight may be two primary Unfolding guide rope.

[0064] ①直径Φ为3. 5mm高强锦纶绳一直径Φ为8毫米的迪尼玛绳 [0064] ① 3. 5mm diameter Φ of high strength nylon rope having a diameter of 8 mm Φ Dinimasheng

[0065] 方法:采用人工过渡方式。 [0065] Method: artificial transition mode. 直径Φ为8毫米的迪尼玛绳长一般为1000/2000米, 可以根据施工现场道路和场地情况选择2-4ΚΜ —个牵张场进行展放。 8 mm diameter Φ Dinimasheng generally 1000/2000 meters long, may be selected according to 2-4ΚΜ road construction site and site conditions - a field in Unfolding distraction.

[0066] ②边相导线引绳展放 [0066] ② side lead wire rope with respect to Spread

[0067] 方法:地线牵引绳展放时,另外带1根直径Φ为8毫米的迪尼玛绳。 [0067] Method: The Unfolding ground traction rope, with an additional 8 mm in diameter Φ Dinimasheng. 然后直接利用机械(牵张机),将直径Φ为8毫米的迪尼玛绳展放外形为方形且边长为15mm防扭钢丝绳。 Then directly using a mechanical (distractor), a diameter of 8 mm Φ Dinimasheng Unfolding square shape and a side length of 15mm anti-twist rope.

[0068] 4. 2、地线展放 [0068] 4.2, ground Unfolding

[0069] 放线形式:采用“一牵一”方式张力放线。 [0069] Actinomycetes form: The "one pull a" Tension line manner.

[0070] 张牵设备:小张小牵。 [0070] Zhang pull equipment: Zhang small pull.

[0071] 索连接方式:外形为方形且边长为13钢丝绳(30kN连接器)+50kN旋转器+蛇皮套+ 地线JLB20A-170/0PGW-175。 [0071] Cable Connection: square shape and a side length of rope 13 (30kN connector) 50kN rotator + + + ground leather snake JLB20A-170 / 0PGW-175.

[0072] 开始时应慢速牵引,待整个牵引系统运行正常后,方可全速牵引,其速度控制在40m/分至80m/分(0PGW光缆展放速度必须按生产要求进行)。 [0072] Slow start when pulling, until the entire traction system after the normal operation, before full speed traction control speed 40m / min to 80m / min (0PGW cable must show the playback speed according to the production requirements).

[0073] 4. 3、导线展放 [0073] 4.3, Conductor Paying

[0074] 采用2X “1牵4”方式同步展放导线,具体过程: [0074] The 2X "1 retractor 4" in synchronization Unfolding leads, the specific process:

[0075] ①选择技术水平较高、熟悉放线程序的熟练操作人员进行张力机的控制。 [0075] ① select high technical level, skilled operators familiar Staking controlled tensile machine.

[0076] ②两台牵引车亦可同时启动、加速、减速、停车,亦可单独加大、减小张力。 [0076] ② simultaneously two tractor may start, acceleration, deceleration, stop, can increase alone, the tension is reduced.

[0077] 线索的连接:牵导线:外形为方形且边长为24mm钢丝绳+ISOkN旋转器+走板+50kN旋转器+外形为方形且边长为15mm长度为1. 5m的钢丝绳+50kN旋转器+蛇皮套+ 导线,走板连接见图3。 [0077] The connection leads: pull wires: a square shape and a side length of 24mm + ISOkN rotator rope running board + + + 50kN rotator square outer shape and a length of a side length of 15mm rope 1. 5m + rotator 50kN + + leather snake wires running board connector shown in Figure 3.

[0078] 放线张力的选取及控制,具体过程: [0078] Selection and off tension control, the specific process:

[0079] 原则:必须满足导引绳、牵引绳及其它连接件的安全系数,以及牵、张设备的承载能力。 [0079] Principle: must meet guide rope, the safety factor and other traction rope connector, and pull, the bearing capacity of sheets apparatus.

[0080] A.展放牵引绳时,牵引绳的最大张力不应超过25kN,张力车的张力在16〜ISkN/ 根之间。 When [0080] A. Unfolding traction rope, traction rope should not exceed 25kN maximum tension, the tension of the tension in the car 16~ISkN / root between.

[0081] B.展放导线时,单导线的最大张力不应超过18kN,张力车的总张力在4X (16〜 18) = 40〜72kN之间;大牵车的牵引力在95kN左右。 When [0081] B. Unfolding wire, the maximum tension in the single conductor should not exceed 18 kN, the total tension of the tension in the car 4X (16~ 18) between 40~72kN =; large pull traction vehicle about 95kN.

[0082] 走板控制:两个走板在档距中间时,间距控制在15-20m之间。 [0082] The running board control: when the two plates away from the intermediate gear, the gap control between 15-20m. 两走板通过滑轮时, 采用“前后”方式通过,间距在1. 5m左右。 Two plates go through a pulley, a "before and after" mode by the pitch of about 1. 5m.

[0083] 5、展放过程中的临锚 [0083] 5, during Unfolding Pro anchor

[0084] 导、地线展放完毕,应及时作好临锚工作。 [0084] conducting and earth Unfolding completed, should be ready in time Pro anchor work. 临锚张力:LGJ-500/35导线为20kN,地线JLB20A-170为15kN。 Pro anchor tension: LGJ-500/35 leads to 20kN, ground JLB20A-170 to 15kN. 临锚后导线距地面高度不应小于5米。 After the temporary lead anchoring height from the ground not less than 5 m. 在临锚中应使八根子导线错开,以防止相互鞭击损伤导线的可能。 In Pro anchor should stagger the eight root wire to prevent possible damage to the wire whip each other.

[0085] 6、导地线压接施工 [0085] 6, crimping on cables Construction

[0086] 与以往500kV的施工方法基本相同,耐张管压接后呈六边性,对边距不得大于推荐值要求,S = O. 866X0. 993D+0. 2mm, D为压接管压前外径(mm)。 [0086] The method and construction substantially the same as the conventional 500kV, Strain rear crimping tube of hexagonal form, not greater than the recommended value of the margin requirement, S = O. 866X0. 993D + 0. 2mm, D is a crimp tube pressure before outside diameter (mm). 只允许三个对边距中的一个达到最大值,超过此规定时应更换压模重新压接接续管、补修管,耐张线夹为圆形,压后呈六边形。 Only three pairs in the margin reaches a maximum value, when this exceeds a predetermined re-replacement die crimp connecting pipe, tube Buxiu, Clamp circular, hexagonal after pressing.

[0087] 7、铝管引流板方向 [0087] 7, the direction of the flow guide plate aluminum

[0088] 安装时耐张线夹引流板与跳线引流板的光面相贴,引流板连接螺栓扭矩不小于5000N. cm。 [0088] Clamp mounting drainage plate when the optical surface of the flow guide plate affixed to the jumper, the drainage plate connecting bolt torque is not less than 5000N. Cm.

Claims (10)

1. 一种张力架线施工工艺,其特征在于包括以下步骤:①、施工准备:进行导线、地线的压接试验合格后,择优选取牵张场,清理施工通道;②、同步展放:采用两套“一牵四”张牵机组同步展放同相八分裂子导线,配套悬挂五轮放线滑车;③、展放牵引绳、展放导线、张力放线,放线过程中临锚;④、跨越施工,搭设跨越架,悬空展放导引绳进行放线操作;⑤、压接导线,进行紧线、观测弛度、锚线,完成整个施工。 Tension Stringing A process comprising the steps of: ①, construction preparation: for wire after crimping passed the test ground, stretch preferentially select field, cleaning channel construction; ②, synchronization Unfolding: two sets of "a retractor four" Zhang retractor unit synchronization Unfolding split sub wire-phase eight supporting hanging five line tackle; ③, Unfolding traction rope, Unfolding wire tension stringing, actinomycetes during temporary anchor; ④, spanning construction, erection crossing dangling expanded pilot wire pay-off operation; ⑤, crimping wire, a tight line, sag observation, the anchor line, to complete the construction.
2.根据权利要求1所述的张力架线施工工艺,其特征在于,在步骤①中,还包括根据施工线路的标段数量、路径长度、铁塔基的数量、跨越的距离选择导地线的规格型号和牵引绳、导引绳的规格及参数。 The Tension Stringing process according to claim 1, wherein, in the step ①, the guide further comprising selecting the number of ground lines tenders construction, the path length, the number of the iron tower, the distance across model specifications and traction rope, guide rope specifications and parameters.
3.根据权利要求1所述的张力架线施工工艺,其特征在于,在步骤②中,所述五轮放线滑车为组合式挂胶五轮导线放线滑车,组合式五轮导线放线滑车的车轮连接额定负荷大于180KN的一牵四牵引走板,一牵四牵引走板连接4X50KN的四线提线器,每相提线器分成两组同步操作提升。 The Tension Stringing process according to claim 1, wherein, in the step ②, the five line tackle a combined rubberized wire line tackle five, five modular wire payout the pulley wheel is greater than the rated load is connected to a retractor four 180KN traction running board, four pulling a pull down four-wire connection plate 4X50KN mentioned thread, each thread split into two groups mentioned phase synchronization lift.
4.根据权利要求3所述的张力架线施工工艺,其特征在于,所述两个五轮放线滑车利用依次连接的联板和平行挂板悬挂,在绝缘子串下方同时挂两个五轮放线。 4. The process of claim Tension Stringing according to claim 3, characterized in that the bridge plate and of the two parallel plates hanging five sequentially connected line tackle using suspension, while hanging below the two insulator strings five actinomycetes.
5.根据权利要求4所述的张力架线施工工艺,其特征在于,在直线塔上两个五轮放线滑车分别底部安装连杆,使两个滑车成为一个整体,在五轮放线滑车和塔身之间连接有钢丝绳;在耐张塔上两个五轮放线滑车悬挂方式为,采取四组合形式,两边相的五轮放线滑车中的第一组五轮放线滑车挂在挂点主材上,两个五轮放线滑车之间使用撑铁支撑,在耐张塔铁塔的临时挂架上挂两边相的第二组五轮放线滑车,中间相的一组五轮放线滑车挂于挂点上,另一组五轮放线滑车挂于内角侧主材上。 5. Tension Stringing process as claimed in claim 4, characterized in that the two five line tackle link are mounted on the bottom of the tower straight line, the two pulley as a whole, in a five line tackle and a wire rope connected between the tower; Tension on two five column line tackle suspended way, take the form of a combination of four, the first group of five line tackle line tackle five sides with the hanging the main point on the hanging member using the supporting struts between two iron five line tackle, the second group of five in the temporary line tackle strain tower pylon tower hung on both sides of the phase, the intermediate phase is a set of five line tackle hung on the hanging points, another group of five line tackle hung on the inner angle side of the main member.
6.根据权利要求1所述的张力架线施工工艺,其特征在于,在步骤③中,所述张力放线过程中,地线的展放顺序为:首先采用动力伞展放直径Φ为3. 5mm的高强锦纶绳,然后人工展放直径Φ为8mm的迪尼玛绳,最后依次展放外形为方形且边长为15mm的防扭钢丝绳和光缆。 The Tension Stringing process according to claim 1, wherein, in the step ③, the tension stringing process, ground Unfolding order: Firstly DongLiSan Unfolding diameter Φ 3 . 5mm high strength nylon rope and manually Unfolding of Dinimasheng 8mm diameter Φ, and finally sequentially Unfolding square shape and a side length of 15mm anti-twisting cable and the rope.
7.根据权利要求1所述的张力架线施工工艺,其特征在于,在步骤③中,展放牵引绳时,牵引绳的最大张力小于25kN,张力车的张力控制在每根牵引绳16〜ISkN之间。 The Tension Stringing process according to claim 1, wherein, in the step ③, when Unfolding traction rope, traction rope tension is less than 25kN is the maximum, the tension in the tension control vehicle each traction rope 16~ between ISkN.
8.根据权利要求1所述的张力架线施工工艺,其特征在于,在步骤③中,展放导线时,单导线的最大张力小于18kN,张力车的总张力在40〜72kN之间,大牵车的牵引力为94kN 〜恥kN。 8. Tension Stringing process according to claim 1, wherein, in the step ③, when Unfolding wire, the maximum tension is less than 18 kN single conductor, the total tension of the tension between the vehicle 40~72kN, large led by car traction is 94kN ~ shame kN.
9.根据权利要求1所述的张力架线施工工艺,其特征在于,在步骤③中,所述张力放线过程中,导线的展放顺序为:首先采用动力伞展放直径Φ为3. 5mm的高强锦纶绳,然后人工展放直径Φ为8mm的迪尼玛绳,再展放外形为方形且边长为15mm的防扭钢丝绳,进行分绳后,机械展放外形为方形且边长为24mm的牵引绳,然后采用2X “一牵四”的方式机械展放导线。 9. Tension Stringing process according to claim 1, wherein, in the step ③, the tension stringing process, show the wire discharge order: Firstly DongLiSan Unfolding diameter Φ 3. 5mm high strength nylon rope and manually Unfolding of Dinimasheng 8mm diameter Φ, and then show release profile and a square side length of 15mm anti-twist rope, rope points after mechanical Unfolding square shape and a side length a traction rope 24mm, and then using 2X "pull a four" mechanically Unfolding leads.
10.根据权利要求1所述的张力架线施工工艺,其特征在于,在步骤④中,所述跨越施工过程中,在跨越物为IOkV电力线时,人工进行高空逐片向上拼装组立,采用吊绳人力提拉标准片;在跨越物为35kV电力线时,采取电缆过渡,保证放线作业不停电操作;在跨越物为二级公路处,搭设窗式跨越架施工。 10. Tension Stringing process according to claim 1, wherein, in the step ④, the spanning construction process, when the object is IOkV across power lines, high-altitude manually assembled set up by standing sheet, using human lifting sling standard sheet; across time was 35kV power lines to take the cable transition, to ensure operation without power operation actinomycetes; secondary road across the object, the erection of a window frame construction of formula span.
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