CN105977889A - Method for installing enclosed busbar and auxiliary adjusting tool - Google Patents
Method for installing enclosed busbar and auxiliary adjusting tool Download PDFInfo
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- CN105977889A CN105977889A CN201610533459.7A CN201610533459A CN105977889A CN 105977889 A CN105977889 A CN 105977889A CN 201610533459 A CN201610533459 A CN 201610533459A CN 105977889 A CN105977889 A CN 105977889A
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- installation
- enclosed busbar
- crossbeam
- frock
- tube coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
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Abstract
The invention discloses a method for installing an enclosed busbar and an auxiliary adjusting tool. The auxiliary adjusting tool is employed as a rigid support, which makes it easy to transport enclosed busbar pipe joints to other sites, and conduct detection and adjustment and also fitting-up and welding on the enclosed busbar pipe joints. Large amount of high altitude constructions are plumbed to ground horizontal construction, which meets high precision for installation and adjustment of the enclosed busbar. Simultaneous lifting of a permanent supporting crossbar and a temporary crossbar is employed, which helps to realize precise and safe lifting and installation of the entire three-phase busbar. According to the invention, the method and the auxiliary adjusting tool reduce large-area bent and air welding platform establishing, reduce safety hazards in construction, shorten installation construction period, and have the advantages of being economical, practical, and efficient.
Description
Technical field
The present invention relates to equipment installing area, the installation method and the auxiliary that particularly relate to a kind of enclosed busbar adjust frock.
Background technology
Generally using isolated-phase enclosed bus to be connected between power station generator with main transformer, enclosed busbar is often arranged in generator floor with in the special bus cavern of elevation by underground power house.Enclosed busbar is often installed in the air in order to saving space, affected with installing space by cavern's height, the large lifting equipments such as bridge machine and crane cannot be introduced into bus cavern, traditional method is to set up temporary bents and platform, permanent support crossbeam is first installed, gradually single-unit bus is winched in the air, docking adjusts and is welded to connect, a large amount of work high above the ground make installation accuracy be difficult to guarantee and operating risk is big, installation effectiveness is low, and carrying out bus installation the most efficiently, in high quality is the problem that those skilled in the art are thinking deeply always.
Summary of the invention
It is an object of the invention to: overcome the above-mentioned problems in the prior art, the installation method and the auxiliary that propose a kind of enclosed busbar adjust frock, the convenient transition to enclosed busbar tube coupling is transported, is checked adjustment and welding, by a large amount of work high above the ground cultellations to ground level operation, realize the most accurately mounting and adjusting and the integral hoisting of single-unit or more piece three-phase enclosed busbar, improve work efficiency, reduce security risk, reduce large area framed bent and aerial jig is set up.
The purpose of the present invention is realized by following technical proposals:
The installation auxiliary of a kind of enclosed busbar adjusts frock, and including base plate, described base plate is provided with column, and described column top is provided with backing plate, and described backing plate is provided with supporting and regulating device, and described column side is provided with more than one supporting leg and is connected with base plate.
The installation auxiliary of a kind of enclosed busbar of the present invention adjusts frock, and described supporting and regulating device is the wedge shape regulating block being arranged at pad surfaces, is realized the adjustment of bus tube coupling short transverse by mobile wedge shape regulating block position, adapts to installation requirement.
The installation auxiliary of a kind of enclosed busbar of the present invention adjusts frock, described wedge shape regulating block upper end has otic placode, it is equipped with connecting bolt in described otic placode, described connecting bolt can slide in chute, described chute is positioned in the middle part of backing plate, so drive wedge shape regulating block by connecting bolt and move adjustment along chute, tightening connecting bolt at correct position further, beneficially the position locking of wedge shape regulating block.
The installation auxiliary of a kind of enclosed busbar of the present invention adjusts frock, and described backing plate is arranged with horizontal plane, and described angle of inclination is 15-45 degree, and this angle arranges and makes bus cylinder be not susceptible to roll, and supports more solid and reliable.
The installation auxiliary of a kind of enclosed busbar of the present invention adjusts frock, is provided with stud between described backing plate and column, and this arranges and makes backing plate support uniform force, is conducive to increasing rigidity and the stability of backing plate.
The installation auxiliary of a kind of enclosed busbar of the present invention adjusts frock, is provided with some rollers bottom described base plate, and this arranges and makes auxiliary adjustment frock not only possess the function that support adjusts with auxiliary, also can realize horizontal transport shift function.
The installation auxiliary of a kind of enclosed busbar of the present invention adjusts frock, by being lain in by single-unit bus in two these frocks of set, can easily realize bus transition transport, and support carries out inner conductor and shell concentricity checks, the horizontal adjustment at tube coupling two ends.
The installation auxiliary of a kind of enclosed busbar of the present invention adjusts frock, when two joints or the docking of more piece bus, can be realized fine setting alignment the welding of the meta shape size of tube coupling by supporting and regulating device, thus reach installation quality requirement.
The installation method of a kind of enclosed busbar of the present invention, is characterized in that comprising the following steps:
1) datum mark is installed to arrange: according to generator outlet and main transformer lead-in wire center, on cavern's top board of enclosed busbar installation position, positioned the measuring installing positioning datum point by high precision measuring instrument；
2) ground cultellation, extension vertical line: arrange that cultellation measures frock at top correct position, by enclosed busbar positioning datum point cultellation to ground and demarcate, top down hangs vertical line, delimits enclosed busbar centrage, permanent support crossbeam centrage and tube coupling fracture site on ground according to drawing intended size；
3) suspension hook is installed: install suspension hook on the pre-buried anchor slab in top, sets up interim suspension centre, installs suspension hook, mount tackles on suspension hook in the middle part of enclosed busbar tube coupling at corresponding top board；
4) ground auxiliary device is installed: lay, according to ground permanent support crossbeam and tube coupling position of center line, the ground buttress frock that collocation jack uses, and adjusts mutual spacing and the level of ground buttress frock；Auxiliary is installed and adjusts frock, traveling gantry tower frock；
5) tube coupling transport and internal check adjust: enclosed busbar tube coupling is unloaded and adjusted in frock to auxiliary, generator floor be transported to bus tunnel indoor, carry out tube coupling internal check, bus-bars conductor and housing axis concentricity installation quality and adjust；
6) tube coupling group is to adjusting, docking: uses traveling gantry tower frock to adjust frock with auxiliary and coordinates, and split-phase assembles bus tube coupling, and level and axis concentricity between adjustment tube coupling, between tube coupling, level adjusts qualified post-reinforcing with axis concentricity, carries out tube coupling butt welding；
7) beam erection and level, spacing adjustment: parallel laying permanent support crossbeam, interim crossbeam in the buttress frock of ground, by demarcating adjusting of centerline crossbeam position and mutual spacing, carries out crossbeam horizontal adjustment by bottom jack and reinforces；
8) in the middle of, the lifting of B phase bus and end hoop are installed: winch to above crossbeam by middle the B phase bus assembled, according to positioning datum point adjustment B phase bus axis centre position, installation end hoop, by end bind round bottom connecting bolt to carry out B phase bus the most fixing；
9) B phase bus Level-adjusting: utilize high-accuracy water level to carry out B phase bus integral level degree installation quality and adjust and reinforce；
10) A, C phase bus is installed and is adjusted: repeat 8) to 9) step, carry out both sides A, C phase bus lifting and end hoop is installed, adjust A, C phase bus integral level degree installation quality and also reinforce；
11) the alternate spacing of three-phase bus and the discrepancy in elevation adjust；Carrying out the alternate spacing of bus and discrepancy in elevation installation quality adjusts, alternate spacing and discrepancy in elevation installation quality adjust connecting bolt bottom the hoop of qualified rear fastening end；
12) three-phase integral hoisting: welding hanger at crossbeam two ends, hang up suspension hook, crossbeam is promoted by operation tackles with three-phase bus Integral synchronous；
13) hanger erection adjusts: install suspension rod successively according to top calibration position, adjusts suspension rod perpendicularity and installation position.Connect suspension rod and permanent support crossbeam, adjust crossbeam level, tight suspension rod attaching nut, adjust after bus installation site requires to design fastening hanging rod attaching nut comprehensively further, remove interim crossbeam decoupling device.
14) other section of enclosed busbar is installed: repeat 4) to 13) step, complete other section of enclosed busbar and install；
15) telescopic joint or the installation that is flexible coupling: connect telescopic joint or the section of being flexible coupling between each section, completes welding and cleans；Carry out final installation quality examination.
The accurate installation of enclosed busbar is realized by above-mentioned steps.
The installation method of a kind of enclosed busbar of the present invention, described datum mark completes measurement and positioning in same measurement punctuate, same measuring instrument, same measuring station.
The installation method of a kind of enclosed busbar of the present invention, carries out the levelness monitoring of crossbeam by erection level indicator, laser level in described step 12).
A kind of installation method of the enclosed busbar of the present invention, what described hanger erection adjusted concretely comprises the following steps: three-phase bus Integral synchronous promotes after putting in place, top suspension rod is installed successively, remove the tackles of permanent support crossbeam one end, when installing suspension rod on pre-buried anchor slab, busbar weight is supported jointly by the permanent support crossbeam other end, another permanent support crossbeam of interim crossbeam and tube coupling；All after hanger erections, adjust further and check enclosed busbar installation site to designing requirement, fastening hanging rod attaching nut, remove interim crossbeam decoupling device.
According to technique scheme, the invention has the beneficial effects as follows: provide the installation method of a kind of enclosed busbar and auxiliary to adjust frock, the transition transport of enclosed busbar tube coupling can be conveniently realized, check adjustment and welding, by a large amount of work high above the ground cultellations to ground level operation, realize the most accurately mounting and adjusting and the three-phase integral hoisting of single-unit or more piece enclosed busbar, decrease large area framed bent and aerial jig is set up, reduce job safety risk, shorten installation period, economical and practical efficiently.
Accompanying drawing explanation
Fig. 1 is installation and the integral hoisting schematic diagram of the installation method of a kind of enclosed busbar of the present invention.
Fig. 2 is that the auxiliary of installing of a kind of enclosed busbar of the present invention adjusts the front view of frock.
Fig. 3 is that the enclosed busbar tube coupling docking of the installation method of a kind of enclosed busbar of the present invention adjusts schematic diagram.
Fig. 4 is that the crossbeam level of the installation method of a kind of enclosed busbar of the present invention throws line schematic diagram.
Fig. 5 is the hanger erection schematic diagram of the installation method of a kind of enclosed busbar of the present invention.
Fig. 6 is that the auxiliary of installing of a kind of enclosed busbar of the present invention adjusts the side view of frock.
Fig. 7 is the partial view of A in Fig. 2.
Fig. 8 is that the auxiliary of installing of a kind of enclosed busbar of the present invention adjusts the supporting and regulating device top view of frock.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the invention will be further described.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As installation method that Fig. 1-8 is a kind of enclosed busbar of the present invention and auxiliary adjust the embodiment of frock, the installation auxiliary of a kind of enclosed busbar adjusts frock, including base plate 19, described base plate 19 is provided with column 20, described column 20 top is provided with backing plate 23, described backing plate 23 is provided with supporting and regulating device, and described column 20 side is provided with more than one supporting leg 21 and is connected with base plate 19.Described supporting and regulating device is the wedge shape regulating block 24 being arranged at backing plate 23 surface, the regulation of height is realized by the position of mobile wedge shape regulating block 24, adapt to installation requirement, described wedge shape regulating block 24 upper end has otic placode 25, it is equipped with connecting bolt 26 in described otic placode 25, described connecting bolt 26 can slide in chute 28, described chute 28 is positioned in the middle part of backing plate 23, so drive wedge shape regulating block 24 by connecting bolt 26 and move adjustment along chute 28, the position locking of connecting bolt 26, beneficially wedge shape regulating block 24 is tightened further at correct position.Described backing plate 23 is arranged with horizontal plane, and described angle of inclination is 15-45 degree, and this angle arranges and makes bus cylinder be not susceptible to roll, and supports more solid and reliable.Being provided with stud 22 between described backing plate 23 and column 20, this setting makes backing plate 23 support uniform force, is conducive to increasing rigidity and the stability of backing plate.Being provided with some rollers 27 bottom described base plate 19, this arranges and makes auxiliary adjustment frock not only possess the function that support adjusts with auxiliary, also can realize horizontal transport shift function.
The installation auxiliary of a kind of enclosed busbar adjusts frock, by being lain in by single-unit bus in two these frocks of set, can easily realize bus transition transport, and support carries out inner conductor and shell concentricity checks, the horizontal adjustment at tube coupling two ends.The installation auxiliary of a kind of enclosed busbar adjusts frock, when two joints or the docking of more piece bus, can be realized fine setting alignment the welding of the meta shape size of tube coupling by supporting and regulating device, thus reach installation quality requirement.
The installation method of a kind of enclosed busbar, is characterized in that comprising the following steps:
1) datum mark is installed to arrange: according to generator outlet and main transformer lead-in wire center, on cavern's top board of enclosed busbar installation position, positioned the measuring installing positioning datum point by high precision measuring instrument；
2) ground cultellation, extension vertical line: arrange that cultellation measures frock at top correct position, by enclosed busbar positioning datum point cultellation to ground and demarcate, top down hangs vertical line, delimits enclosed busbar centrage, permanent support crossbeam 6 centrage and tube coupling fracture site on ground according to drawing intended size；
3) suspension hook is installed: install suspension hook on the pre-buried anchor slab in top, sets up interim suspension centre, installs suspension hook 1, mount tackles 2 on suspension hook in the middle part of enclosed busbar tube coupling at corresponding top board；
4) ground auxiliary device is installed: lay, according to ground permanent support crossbeam and tube coupling position of center line, the ground buttress frock 4 that collocation jack 3 uses, and adjusts mutual spacing and the level of ground buttress frock 4；Auxiliary is installed and adjusts frock, traveling gantry tower frock；
5) tube coupling transport and internal check adjust: enclosed busbar tube coupling is unloaded and adjusted in frock 5 to auxiliary, generator floor be transported to bus tunnel indoor, carry out tube coupling internal check, bus-bars conductor 8 and shell 9 level and adjust with axis concentricity installation quality；
6) tube coupling group is to adjusting, docking: uses traveling gantry tower frock to adjust frock 5 with auxiliary and coordinates, split-phase assembles bus tube coupling, adjusting level and axis concentricity between tube coupling, between tube coupling, level adjusts qualified post-reinforcing with axis concentricity, carries out tube coupling butt welding；
7) beam erection and level, spacing adjustment: parallel laying permanent support crossbeam 6, interim crossbeam 7 in ground buttress frock 4, by demarcating adjusting of centerline crossbeam position and mutual spacing, is carried out crossbeam horizontal adjustment by bottom jack 3 and is reinforced；
8) in the middle of, the lifting of B phase bus and end hoop are installed: winch to above crossbeam by middle the B phase bus connected, according to positioning datum point adjustment B phase bus axis centre position, installation end hoop 10, by end bind round bottom connecting bolt 11 to carry out B phase bus the most fixing；
9) B phase bus Level-adjusting: utilize high-accuracy water level to carry out B phase bus integral level degree installation quality and adjust and reinforce；
10) A, C phase bus is installed and is adjusted: repeat 8) to 9) step, carry out both sides A, C phase bus lifting and end hoop is installed, adjust A, C phase bus integral level degree installation quality and also reinforce；
11) the alternate spacing of three-phase bus and the discrepancy in elevation adjust；Carrying out the alternate spacing of bus and discrepancy in elevation installation quality adjusts, alternate spacing and discrepancy in elevation installation quality adjust connecting bolt bottom the hoop of qualified rear fastening end；
12) three-phase integral hoisting: welding hanger 13 at crossbeam two ends, hang up suspension hook 14, three-phase bus Integral synchronous is promoted by operation tackles 2；
13) hanger erection adjusts: install suspension rod 16 successively according to top calibration position, adjusts suspension rod perpendicularity and installation position.Connect suspension rod 16 and permanent support crossbeam 6, adjust crossbeam level, tight suspension rod attaching nut 17, adjust after bus installation site requires to design fastening hanging rod attaching nut 17 comprehensively further, remove interim crossbeam decoupling device.
14) other section of enclosed busbar is installed: repeat 4) to 13) step, complete other section of enclosed busbar and install；
15) telescopic joint or the installation that is flexible coupling: connect telescopic joint or the section of being flexible coupling between each section, completes welding and cleans；Carry out final installation quality examination.The accurate installation of enclosed busbar is realized by above-mentioned steps.
Described datum mark completes measurement and positioning in same measurement punctuate, same measuring instrument, same measuring station.
Described step 12) is carried out the levelness monitoring of crossbeam by erection level indicator 12, laser level.
What described hanger erection adjusted concretely comprises the following steps: three-phase bus Integral synchronous promotes after putting in place, top suspension rod 16 is installed successively, remove the tackles 2 of permanent support crossbeam 6 one end, when installing suspension rod 16 on pre-buried anchor slab, busbar weight is supported jointly by the permanent support crossbeam other end, another permanent support crossbeam of interim crossbeam 7 and tube coupling；All after hanger erections, adjust further and check enclosed busbar installation site to designing requirement, fastening hanging rod attaching nut 17, remove interim crossbeam 7 decoupling device.
Concrete:
In step 1), enclosed busbar installation datum mark is minimum includes enclosed busbar and tube coupling fracture, permanent support crossbeam 6, the positioning datum point of suspension rod 16, when carrying out datum mark location by high precision measuring instrument, measured datum mark must be to complete measurement and positioning in same measurement punctuate, same measuring instrument, same measuring station.
Step 2) in, cultellation measures frock layout should be substantially aligned with enclosed busbar installation datum mark, and frock should be fixed, it is to avoid rocks because of frock and causes cultellation change in location.
In step 3), pre-buried anchor slab suspension hook 1 is located at the surface of permanent support crossbeam 6 installation site, and according to bus tube coupling stress finite element analysis, interim suspension centre suspension hook is located at directly in the middle part of enclosed busbar tube coupling, and every crossbeam two ends set one；The specifications and models mounting tackles 2 are identical；
In step 4), ground auxiliary device is that the ground buttress frock 4 that collocation jack 3 uses adjusts frock 5, traveling gantry tower frock with auxiliary；
In step 5), enclosed busbar tube coupling is unloaded and is kept flat to two set auxiliary adjustment frocks 5, it is transported to bus tunnel indoor by generator floor, frock 5 is adjusted as temporary supporting platform using auxiliary, carry out tube coupling inner conductor to clean with insulator inspection, carry out bus-bars conductor and shell level and adjust with axis concentricity installation quality；
In step 6), during tube coupling docking, using traveling gantry tower frock slightly to lift bus tube coupling, the wedge shape adjustable plate 24 being adjusted frock 5 by regulation auxiliary realizes the horizontal alignment between tube coupling；Realizing axis concentricity adjustment between tube coupling by micro-auxiliary adjustment frock 5 position of moving, between tube coupling, level adjusts qualified post-reinforcing with axis concentricity, carries out conductor 8 butt welding and shell 9 butt welding and cleaning between bus tube coupling respectively；
In step 7), crossbeam includes permanent support crossbeam 6 and interim crossbeam 7, arranges permanent support crossbeam 6 according to design drawing, sets up interim crossbeam 7 at tube coupling medium position, and permanent support crossbeam 6 and interim crossbeam 7 are perpendicular to bus arranged in parallel.By demarcating adjusting of centerline crossbeam center and mutual spacing, the jack 3 arranged by bottom is carried out crossbeam horizontal adjustment and reinforces；
In step 8), according to enclosed busbar positioning datum point, B phase bus be first installed and adjust axis centre position, installation end hoop 10, by end bind round bottom connecting bolt 11 to carry out B phase bus the most fixing；
In step 9), utilize high-accuracy water level to carry out B phase bus integral level degree installation quality and adjust and reinforce；
In step 10), according to enclosed busbar positioning datum point, A, C phase bus it is installed again and adjusts axis centre position, installation end hoop 10, adjust A, C phase bus integral level degree installation quality and reinforce；
In step 11), using vertical line 18, diastimeter to carry out bus phase spacing and discrepancy in elevation installation quality adjusts, alternate spacing and discrepancy in elevation installation quality adjust connecting bolt 11 bottom the hoop of qualified rear fastening end；
In step 12), permanent support crossbeam 6 sets up level indicator 12, monitors the level of single permanent support crossbeam；Utilize laser level to be projected to by horizontal linear on beam-end horizontal center line, monitor the lifting between each crossbeam and synchronize.In operating process, when horizontal departure goes beyond the scope between crossbeam, suspend and promote, after indivedual adjustment, continue lifting operation；
In step 13), three-phase bus Integral synchronous promotes after putting in place, installs top suspension rod 16 successively.Remove permanent support crossbeam one end tackles, on pre-buried anchor slab install suspension rod 16 time, busbar weight is supported jointly by another permanent support crossbeam of interim crossbeam 7 and tube coupling；All after hanger erections, adjust further and check enclosed busbar installation site to designing requirement, fastening hanging rod attaching nut 17, remove interim crossbeam 7 decoupling device.
In step 14), after completing the three-phase bus integral hoisting of this group, the enclosed busbar having continued other group section is installed.
In step 15), carry out telescopic joint or the installation that is flexible coupling between each group of section, complete welding and clean；Carry out final installation quality examination.
Owing to using technique scheme, the invention has the beneficial effects as follows: provide the installation method of a kind of enclosed busbar and auxiliary to adjust frock, the transition transport of enclosed busbar tube coupling can be conveniently realized, check adjustment and welding, by a large amount of work high above the ground cultellations to ground level operation, realize the most accurately mounting and adjusting and the three-phase integral hoisting of single-unit or more piece enclosed busbar, decrease large area framed bent and aerial jig is set up, reduce job safety risk, shorten installation period, economical and practical efficiently.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (10)
1. the installation auxiliary of an enclosed busbar adjusts frock, it is characterized in that: including that base plate, described base plate are provided with column, described column top is provided with backing plate, described backing plate is provided with supporting and regulating device, and described column side is provided with more than one supporting leg and is connected with base plate.
The installation auxiliary of a kind of enclosed busbar the most according to claim 1 adjusts frock, it is characterised in that: described supporting and regulating device is the wedge shape regulating block being arranged at pad surfaces.
The installation auxiliary of a kind of enclosed busbar the most according to claim 1 and 2 adjusts frock, it is characterized in that: described wedge shape regulating block upper end has otic placode, being equipped with connecting bolt in described otic placode, described connecting bolt can slide in chute, and described chute is positioned in the middle part of backing plate.
The installation auxiliary of a kind of enclosed busbar the most according to claim 1 adjusts frock, it is characterised in that: described backing plate is arranged with horizontal plane, and described angle of inclination is 15-45 degree.
The installation auxiliary of a kind of enclosed busbar the most according to claim 1 adjusts frock, it is characterised in that: it is provided with stud between described backing plate and column.
The installation auxiliary of a kind of enclosed busbar the most according to claim 1 adjusts frock, it is characterised in that: it is provided with some rollers bottom described base plate.
7. an installation method for enclosed busbar, is characterized in that comprising the following steps:
1) datum mark is installed to arrange: according to generator outlet and main transformer lead-in wire center, on cavern's top board of enclosed busbar installation position, positioned the measuring installing positioning datum point by high precision measuring instrument；
2) ground cultellation, extension vertical line: arrange that cultellation measures frock at top correct position, by enclosed busbar positioning datum point cultellation to ground and demarcate, top down hangs vertical line, delimits enclosed busbar centrage, permanent support crossbeam centrage and tube coupling fracture site on ground according to drawing intended size；
3) suspension hook is installed: install suspension hook on the pre-buried anchor slab in top, sets up interim suspension centre, installs suspension hook, mount tackles on suspension hook in the middle part of enclosed busbar tube coupling at corresponding top board；
4) ground auxiliary device is installed: lay, according to ground permanent support crossbeam and tube coupling position of center line, the ground buttress frock that collocation jack uses, and adjusts mutual spacing and the level of ground buttress frock；Auxiliary is installed and adjusts frock, traveling gantry tower frock；
5) tube coupling transport and internal check adjust: enclosed busbar tube coupling is unloaded and adjusted in frock to auxiliary, generator floor be transported to bus tunnel indoor, carry out tube coupling internal check, bus-bars conductor and shell level and adjust with axis concentricity installation quality；
6) tube coupling group is to adjusting, docking: uses traveling gantry tower frock to adjust frock with auxiliary and coordinates, and split-phase assembles bus tube coupling, and level and axis concentricity between adjustment tube coupling, between tube coupling, level adjusts qualified post-reinforcing with axis concentricity, carries out tube coupling butt welding；
7) beam erection and level, spacing adjustment: parallel laying permanent support crossbeam, interim crossbeam in the buttress frock of ground, by demarcating adjusting of centerline crossbeam position and mutual spacing, carries out crossbeam horizontal adjustment by bottom jack and reinforces；
8) in the middle of, the lifting of B phase bus and end hoop are installed: winch to above crossbeam by middle the B phase bus assembled, according to positioning datum point adjustment B phase bus axis centre position, installation end hoop, by end bind round bottom connecting bolt to carry out B phase bus the most fixing；
9) B phase bus Level-adjusting: utilize high-accuracy water level to carry out B phase bus integral level degree installation quality and adjust and reinforce；
10) A, C phase bus is installed and is adjusted: repeat 8) to 9) step, carry out both sides A, C phase bus lifting and end hoop is installed, adjust A, C phase bus integral level degree installation quality and also reinforce；
11) the alternate spacing of three-phase bus and the discrepancy in elevation adjust；Carrying out the alternate spacing of bus and discrepancy in elevation installation quality adjusts, alternate spacing and discrepancy in elevation installation quality adjust connecting bolt bottom the hoop of qualified rear fastening end；
12) three-phase integral hoisting: welding hanger at crossbeam two ends, hang up suspension hook, crossbeam is promoted by operation tackles with three-phase bus Integral synchronous；
13) hanger erection adjusts: install suspension rod successively according to top calibration position, adjust suspension rod perpendicularity and installation position, connect suspension rod and permanent support crossbeam, adjust crossbeam level, tight suspension rod attaching nut, comprehensive fastening hanging rod attaching nut after the extremely design requirement of further adjustment bus installation site, removes interim crossbeam decoupling device；
14) other section of enclosed busbar is installed: repeat 4) to 13) step, complete other section of enclosed busbar and install；
15) telescopic joint or the installation that is flexible coupling: connect telescopic joint or the section of being flexible coupling between each section, completes welding and cleans；Carry out final installation quality examination；
The accurate installation of enclosed busbar is realized by above-mentioned steps.
The installation method of a kind of enclosed busbar the most according to claim 7, it is characterised in that: described datum mark completes measurement and positioning in same measurement punctuate, same measuring instrument, same measuring station.
The installation method of a kind of enclosed busbar the most according to claim 7, it is characterised in that: described step 12) is carried out the levelness monitoring of crossbeam by erection level indicator, laser level.
The installation method of a kind of enclosed busbar the most according to claim 7, it is characterized in that: what described hanger erection adjusted concretely comprises the following steps: three-phase bus Integral synchronous promotes after putting in place, top suspension rod is installed successively, remove the tackles of permanent support crossbeam one end, when installing suspension rod on pre-buried anchor slab, busbar weight is supported jointly by the permanent support crossbeam other end, another permanent support crossbeam of interim crossbeam and tube coupling；All after hanger erections, adjust further and check enclosed busbar installation site to designing requirement, fastening hanging rod attaching nut, remove interim crossbeam decoupling device.
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| CN107591757A (en) * | 2017-09-22 | 2018-01-16 | 浩翔电气集团有限公司 | One kind improves the linear installation method of wind power bus |
| CN108363868A (en) * | 2018-02-11 | 2018-08-03 | 江铃控股有限公司 | Exhaust system suspension hook location arrangements method |
| CN110977257A (en) * | 2019-11-29 | 2020-04-10 | 北京中科中电电力工程管理有限公司 | Enclosed bus installation equipment and method |
| CN113497430A (en) * | 2020-04-01 | 2021-10-12 | 北京电力设备总厂有限公司 | Phase-isolated bus shell supporting device and phase-isolated bus shell hoisting system |
| CN114790691A (en) * | 2022-04-14 | 2022-07-26 | 通号建设集团有限公司 | Construction method for steel structure pipe gallery channel under bridge |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591757A (en) * | 2017-09-22 | 2018-01-16 | 浩翔电气集团有限公司 | One kind improves the linear installation method of wind power bus |
| CN108363868A (en) * | 2018-02-11 | 2018-08-03 | 江铃控股有限公司 | Exhaust system suspension hook location arrangements method |
| CN110977257A (en) * | 2019-11-29 | 2020-04-10 | 北京中科中电电力工程管理有限公司 | Enclosed bus installation equipment and method |
| CN110977257B (en) * | 2019-11-29 | 2022-02-11 | 北京中科中电电力工程管理有限公司 | Enclosed bus installation equipment and method |
| CN113497430A (en) * | 2020-04-01 | 2021-10-12 | 北京电力设备总厂有限公司 | Phase-isolated bus shell supporting device and phase-isolated bus shell hoisting system |
| CN113497430B (en) * | 2020-04-01 | 2025-08-26 | 北京电力设备总厂有限公司 | Phase-isolated busbar housing support device and phase-isolated busbar housing hoisting system |
| CN114790691A (en) * | 2022-04-14 | 2022-07-26 | 通号建设集团有限公司 | Construction method for steel structure pipe gallery channel under bridge |
| CN114790691B (en) * | 2022-04-14 | 2023-10-20 | 通号建设集团有限公司 | A construction method of steel structure pipe gallery passage under the bridge |
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| CN105977889B (en) | 2017-12-15 |
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