CN201398021Y - Installation and lifting device of gas insulation metal closing transmission line in shaft - Google Patents
Installation and lifting device of gas insulation metal closing transmission line in shaft Download PDFInfo
- Publication number
- CN201398021Y CN201398021Y CN2009200330260U CN200920033026U CN201398021Y CN 201398021 Y CN201398021 Y CN 201398021Y CN 2009200330260 U CN2009200330260 U CN 2009200330260U CN 200920033026 U CN200920033026 U CN 200920033026U CN 201398021 Y CN201398021 Y CN 201398021Y
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- transmission line
- power transmission
- gas
- insulated metal
- closed power
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Abstract
The utility model relates to the large and medium hydraulic power project fields, in particular to an installation and lifting device of a gas insulation metal closing transmission line in shaft, which is characterized in that the installation and the lifting of the gas insulation metal closing transmission line GIL device is accomplished through the lifting device with great lifting height. The device with great lifting height comprises an electric double-beam bridge crane and an electric single-beam bridge crane. The device has simple structure, is safe and reliable, has significant effect,and has strong popularization and application value in solving the technical problems of the safe lifting of the GIL device in high vertical shaft, accelerating the installation schedule of the GIL device, the arrangement of the device and the like.
Description
Technical field
The utility model relates to a kind of large and medium-sized hydroelectric project field, the installation lifting appliance of particularly a kind of gas-insulated metal closed power transmission line in vertical shaft.
Background technology
Electric power system is inserted with 800kV one step voltage in large and medium-sized hydroelectric station, and the 800kV side is 3/2 breaker connection.Outlet totally 2 times.Gas-insulated metal closed power transmission line abbreviates GIL as.GIL in underground power house main transformer cavern with after 800kV gas-insulated metal enclosed switchgear station gas-insulated metal closed power transmission line (GIS) outlet is connected, through the long horizontal gallery of over one hundred rice (105m), the vertical vertical shaft that enters high hundreds of rice (207m) again is to outlet station (ground elevation
2460m), guide to outlet mechanical floor (floor ground elevation on again
2481m) back is connected with overhead transmission line by aerial condutor.Gas-insulated metal closed power transmission line GIL device parameter sees Table 1.
Table 1
| Shell sizes | External diameter 676mm, wall thickness 12.7mm |
| Conductor size | External diameter 178mm, wall thickness 8mm |
| Maximum single-piece GIL is heavy | 850kg |
| Single-unit length (housing) | 11.5m |
| Vertical vertical shaft GIL joint number (single-phase) | 18 |
Therefore, installation lifting at gas-insulated metal closed power transmission line GIL equipment in the hundreds of meters vertical vertical shafts of 207m is studied, feasibility to layout big elevating height lifting appliance and mode of operation thereof in limited space is studied, and technical problems such as safety lifting gas-insulated metal closed power transmission line GIL equipment, quickening gas-insulated metal closed power transmission line GIL equipment installation progress, solution apparatus arrangement have great importance in the vertical vertical shaft of height to solving.
Summary of the invention
The purpose of this utility model is to propose the installation lifting appliance of a kind of gas-insulated metal closed power transmission line in the vertical vertical shaft of height, big elevating height lifting appliance and mode of operation thereof are proposed specification requirement, solve safety lifting gas-insulated metal closed power transmission line GIL equipment and technology problem in the vertical vertical shaft of height.
The technical solution of the utility model is, design the installation lifting appliance of a kind of gas-insulated metal closed power transmission line in vertical shaft, it is characterized in that: gas-insulated metal closed power transmission line GIL equipment is installed lifting by the big elevating height lifting appliance in vertical shaft.
Described big elevating height lifting appliance comprises electrical bibeam bridge crane, electric single-beam bridge crane, two equipment are arranged in the vertical vertical shaft of height one on the other, the electric single-beam bridge crane below is connected with wirerope hanging basket frame, by wirerope gas-insulated metal closed power transmission line GIL equipment is placed on the pre-mounting bracket; Electrical bibeam bridge crane is connected with gas-insulated metal closed power transmission line GIL equipment by wirerope, and gas-insulated metal closed power transmission line GIL equipment is mounted on the vertical vertical shaft borehole wall installing zone from pre-mounting bracket.
Described vertical vertical shaft borehole wall installing zone is provided with mounting guide rail, and the pulley dolly slides up and down and is connected on the mounting guide rail, is useful on the pulley cart stationary pin of fixed block dolly relevant position on mounting guide rail on the pulley dolly.
The model of described electric single-beam bridge crane is the LD5t-9.0m lifting mechanism, carries out the pre-assembled program.
The model of described electrical bibeam bridge crane is the QD5t-10.4m lifting mechanism, adopts two reels, bi-motor arrangement form, carries out final installation procedure.
Every single-phase damping hanger that is equipped with on the vertical vertical shaft borehole wall of described gas-insulated metal closed power transmission line GIL equipment hoisting unit correspondence, interval 40m between the damping hanger.
Described pulley dolly has 2～4.
Described big elevating height lifting appliance adopts the terrestrial operation mode, adopts frequency control.
Characteristics of the present utility model are: two kinds of lifting appliances of the utility model are double-deck to be arranged, arranges compact.The QD5t lifting mechanism adopts two reels, bi-motor layout pattern, guarantees the fail safe of lifting.Under the influence of satisfying lifting appliance floor plan lifting scope, sling height, design lifting appliance height dimension, hoisting equipment do not establish drivers' cab and adopt the terrestrial operation mode to reach the purpose of optimizing outlet building bulk; GIL equipment lifts by crane and adopts frequency control, and slow running when equipment interconnection is provided with chain block and solves big elevating height lifting flexibility problem in the docking site, guarantee that the lifting of GIL safety reaches dress; GIL equipment is installed and is adopted two independent operation sequences, i.e. and " pre-assembled " and " the final installation ", both carry out simultaneously, the acceleration equipment erection schedule.This method is simple in structure, and is safe and reliable, and effect is remarkable, and technical problems such as safety lifting GIL equipment, quickening GIL equipment installation progress, solution apparatus arrangement have stronger application value in the vertical vertical shaft of height to solving.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further.
Fig. 1 is an embodiment gas-insulated metal closed power transmission line GIL mounting structure schematic diagram;
Fig. 2 is that electric single-beam bridge crane is installed first segment to the second joint GIL schematic diagram;
Fig. 3 is that electric single-beam bridge crane is finished installation first segment to the second joint GIL schematic diagram;
Fig. 4 is that electrical bibeam bridge crane is installed the 3rd joint GIL schematic diagram;
Fig. 5 is that electrical bibeam bridge crane carries out the 3rd joint lifting, electric single-beam bridge crane carries out the 4th joint scheme of installation;
Fig. 6 is a gas-insulated metal closed power transmission line GIL installation in position schematic diagram.
Among the figure: 1, vertical vertical shaft; 2, electrical bibeam bridge crane; 3, electric single-beam bridge crane; 4, gas-insulated metal closed power transmission line GIL equipment; 5, hanging basket frame; 6, saddle; 7, pre-mounting bracket; 8, pulley dolly; 9, pulley cart stationary pin; 10, mounting guide rail; 11, dismountable L type strutting piece; 12, workbench; 13, chain block; 14, damping hanger; 15, Dust-proof bottle; 16, dustproof transparent bag.
Embodiment
In the high voltage GIL installation project of La Xiwa hydroelectric station, install at equipment for hydroelectric station, arrange the place very under the condition of limited, design GIL lifting appliance, the lifting program installed, reach in the vertical vertical shaft of height safe and reliable lifting GIL equipment and accelerate the purpose of GIL equipment installation progress.Gas-insulated metal closed power transmission line GIL equipment 4 is installed by the big elevating height lifting appliance in vertical vertical shaft 1 and adopted two independent programs: the pre-assembled program is installed lifting with final installation procedure.Present embodiment big elevating height lifting appliance comprises electrical bibeam bridge crane 2, electric single-beam bridge crane 3.
As shown in Figure 1, set up two work crane crossbeams at vertical vertical shaft 1 cabling on cable rack floor one sheaf space inwall, electrical bibeam bridge crane 2 and an electric single-beam bridge crane 3 are arranged one on the other at Liang Taiqiao machine crossbeam.Electric single-beam bridge crane 3 belows are connected with wirerope hanging basket frame 5, by wirerope gas-insulated metal closed power transmission line GIL equipment 4 are placed on the pre-mounting bracket 7; Electrical bibeam bridge crane 2 is connected with gas-insulated metal closed power transmission line GIL equipment 4 by wirerope, and gas-insulated metal closed power transmission line GIL equipment 4 is mounted on vertical vertical shaft 1 borehole wall installing zone from pre-mounting bracket 7.
The model of electrical bibeam bridge crane 2 is QD5t-10.4m, adopts two reels, bi-motor arrangement form; The model of electric single-beam bridge crane 3 is LD5t-9.0m.Gas-insulated metal closed power transmission line GIL equipment 4 is installed by lifting appliance electric single-beam bridge crane 3 lifting mechanisms, carries out the pre-assembled program; Carry out final installation procedure by electrical bibeam bridge crane 2.
Be provided with mounting guide rail 10 at vertical vertical shaft 1 borehole wall installing zone, pulley dolly 8 slides up and down and is connected on the mounting guide rail 10, is useful on the pulley cart stationary pin 9 of fixed block dolly 8 relevant position on mounting guide rail 10 on the pulley dolly 8.
Establish an electrical bibeam bridge crane 2 in outlet vertical shaft cabling on cable rack building floor one sheaf space, its below is provided with an electric single-beam bridge crane 3.Gas-insulated metal closed power transmission line GIL equipment 4 is installed and is adopted two independent operation sequences, i.e. " pre-assembled " and " the final installation " program, and both can carry out simultaneously, quicken the whole erection process, or front and back are carried out step by step.By electric single-beam bridge crane 3LD5t 4 assembly units of two sections gas-insulated metal closed power transmission line GIL equipment are placed on the pre-assembled platform after good during lifting, see scheme of installation 2, shown in Figure 3.The electrical bibeam bridge crane 2QD5t throttle body insulated metal closed power transmission line GIL equipment 4 of slinging again docks with two throttle body insulated metal closed power transmission line GIL equipment 4 on the pre-assembled platform, three throttle body insulated metal closed power transmission line GIL equipment, 4 integral body are sling after mounting guide rail 10 is put to elevation is installed by electrical bibeam bridge crane 2QD5t after finishing, see scheme of installation 4, shown in Figure 5.
Electrical bibeam bridge crane 2QD5t-10.4m is used for three joint module units liftings, lifting altitude 225m, lifting velocity 2/20m/min; Electric single-beam bridge crane 3LD5t-9.0m is used for single-unit assembling, lifting altitude 15m, lifting velocity 0.8/8m/min.Electrical bibeam bridge crane 2QD5t for the 225m lifting altitude, lifting mechanism adopts two reels, bi-motor, and definite reel height dimension, hoisting equipment are not established the purpose that drivers' cab employing terrestrial operation mode reaches reduction outlet building height dimension under the requirement of satisfying lifting appliance floor plan suspension hook scope line; The GIL lifting appliance adopts variable-frequency control technique, slow running when equipment interconnection, because vertical section reaches 207m, electrical bibeam bridge crane 2QD5t bridge machine gas-insulated metal closed power transmission line GIL equipment 4 lifting elements when lifting can produce the existing picture of concussion.For avoiding this situation, can being welded at the vertical suitable height of vertical shaft 1 borehole wall, (a damping hanger 14 is installed at every 40m place to a damping hanger 14, single-phase totally 5 damping hangers 14), earlier 5t being led chain during butt joint hangs on the damping hanger 14, hang gas-insulated metal closed power transmission line GIL equipment Unit 4 that will dock (totally 3 joints with leading chain again, long 34.5m), afterwards slowly toward transferring, until the abutted flange face.See shown in Figure 6ly, the damping hanger is connected with for 14 times in drawing cucurbit 13, operating personnel on workbench 12 by cooperate the integral installation process of finishing with the terrestrial operation system.To the holding time of electrical bibeam bridge crane 2QD5t, electrical bibeam bridge crane 2QD5t is carried out the preparation of next group gas-insulated metal closed power transmission line GIL equipment 4 tubular lifting elements vertical transport when adopting said method can also reduce tubular gas-insulated metal closed power transmission line GIL equipment 4 lifting elements butt joint, adjustment, assembling.
The whole erection process is as follows: at first carry out pre-installation procedure.
1) first section gas-insulated metal closed power transmission line GIL equipment 4 that will collect dress with electric single-beam bridge crane 3 rises to the upright position from horizontal level, and move vertically on collection dress support two arm supports, dismountable L type strutting piece 11 is installed on wherein the arm, and is fixed by dismountable L type strutting piece 11;
2) second section gas-insulated metal closed power transmission line GIL equipment is moved vertically to epimere GIL equipment collection by electric single-beam bridge crane 3 for 4 sections and adorn the support relevant position, and, behind the alignment pin location, connect two GIL equipment by bolt to sealing ring on the flange;
3) unload dismountable L type strutting piece 11 from collection dress arm, the GIL equipment section that connects is transferred by the space between collection dress support two arms;
4) repeat above step, finish, finish the pre-assembled program until final stage GIL equipment is connected;
Electric single-beam bridge crane 3LD5t is removed from above-mentioned GIL assembling section, and GIL assembling section is sling with electrical bibeam bridge crane 2QD5t.
Carry out final installation procedure again:
1) the GIL assembling section that the pre-assembled program is assembled with electrical bibeam bridge crane 2 is sling and is moved to 10 sections of mounting guide rails, the pulley dolly 8 on the mounting guide rail 10 is fixed on the GIL assembling section by guide block, and unloads lower sheave cart stationary pin 9;
2) with electrical bibeam bridge crane 2 GIL assembling section is descended with the speed less than 20m/min along mounting guide rail 10; After this GIL unit arrives the installation elevation, pulley dolly 8 is fixed on the mounting guide rail 10 by pulley cart stationary pin 9; To lead chain and hang on the damping hanger 14, and lead chain and hook the GIL lifting rope, it is stressed that the chain whole chain of leading this moment is led in pulling, pulls down guide block, and GIL is separated with mounting guide rail 10; The GIL combination is put to its last installation site, or above the last mounted assembling section, open the dustproof transparent bag 16 on the Dust-proof bottle 15 on blind flange or the flange, carry out the flange face butt joint;
The flange face butt joint time is inserted shop bolt in four bolts hole of symmetry, make GIL move on to the time-out flange that aligns.Flange meshes together fully, confirms that the foamed plastics ring has taken out the back and symmetrically bolt has been screwed onto 80Nm (taking out shop bolt simultaneously) with torque spanner.All bolts of repetitive operation then.GIL assembling section is installed on the corresponding supporting structure;
3) electrical bibeam bridge crane 2QD5t and lift heavy frame are removed from above-mentioned mounted GIL assembling section, pulley dolly 8 is promoted to the top and is fixed on the mounting guide rail 10 with pulley cart stationary pin 9 and prepares next operation; Finish final installation procedure.
Repeat above program, GIL all in vertical shaft install.
The pulley dolly 8 of present embodiment has 2, can also be provided with 4 according to on-site actual situations in implementation process.
Claims (7)
1, the installation lifting appliance of gas-insulated metal closed power transmission line in vertical shaft, it is characterized in that: gas-insulated metal closed power transmission line GIL equipment (4) is installed lifting by the big elevating height lifting appliance in vertical shaft.
2, the installation lifting appliance of gas-insulated metal closed power transmission line according to claim 1 in vertical shaft, it is characterized in that: the big elevating height lifting appliance comprises electrical bibeam bridge crane (2), electric single-beam bridge crane (3), two equipment are arranged in the vertical vertical shaft of height (1) one on the other, electric single-beam bridge crane (3) below is connected with wirerope hanging basket frame (5), by wirerope gas-insulated metal closed power transmission line GIL equipment (4) is placed on the pre-mounting bracket (7); Electrical bibeam bridge crane (2) is connected with gas-insulated metal closed power transmission line GIL equipment (4) by wirerope, and gas-insulated metal closed power transmission line GIL equipment (4) is mounted on vertical vertical shaft (1) borehole wall installing zone from pre-mounting bracket (7).
3, the installation lifting appliance of gas-insulated metal closed power transmission line according to claim 2 in vertical shaft, it is characterized in that: described vertical vertical shaft (1) borehole wall installing zone is provided with mounting guide rail (10), pulley dolly (8) slides up and down and is connected on the mounting guide rail (10), is useful on fixed block dolly (8) is gone up the relevant position at mounting guide rail (10) pulley cart stationary pin (9) on the pulley dolly (8).
4, the installation lifting appliance of gas-insulated metal closed power transmission line according to claim 2 in vertical shaft, it is characterized in that: the model of described electric single-beam bridge crane (3) is the LD5t-9.0m lifting mechanism, carries out the pre-assembled program.
5, the installation lifting appliance of gas-insulated metal closed power transmission line according to claim 2 in vertical shaft, it is characterized in that: the model of described electrical bibeam bridge crane (2) is the QD5t-10.4m lifting mechanism, adopt two reels, bi-motor arrangement form, carry out final installation procedure.
6, the installation lifting appliance of gas-insulated metal closed power transmission line according to claim 2 in vertical shaft, it is characterized in that: every single-phase 5 damping hangers (14) that are equipped with on vertical vertical shaft (1) borehole wall of described gas-insulated metal closed power transmission line GIL equipment (4) lifting elements correspondence, interval 40m between the damping hanger (14).
7, the installation lifting appliance of gas-insulated metal closed power transmission line according to claim 2 in vertical shaft, it is characterized in that: described pulley dolly (8) has 2～4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200330260U CN201398021Y (en) | 2009-05-11 | 2009-05-11 | Installation and lifting device of gas insulation metal closing transmission line in shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200330260U CN201398021Y (en) | 2009-05-11 | 2009-05-11 | Installation and lifting device of gas insulation metal closing transmission line in shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201398021Y true CN201398021Y (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200330260U Expired - Lifetime CN201398021Y (en) | 2009-05-11 | 2009-05-11 | Installation and lifting device of gas insulation metal closing transmission line in shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201398021Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552430B (en) * | 2009-05-11 | 2011-08-24 | 中国水电顾问集团西北勘测设计研究院 | Method for installing and hoisting gas-insulated metal closed power transmission line in shaft and device thereof |
| CN104016243A (en) * | 2014-06-18 | 2014-09-03 | 山东电力建设第一工程公司 | Lifting device of electric cable shaft of boiler |
| CN112072560A (en) * | 2020-09-29 | 2020-12-11 | 中建安装集团有限公司 | Method for vertically laying super high-rise shaft cable in air through relay lifting |
-
2009
- 2009-05-11 CN CN2009200330260U patent/CN201398021Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552430B (en) * | 2009-05-11 | 2011-08-24 | 中国水电顾问集团西北勘测设计研究院 | Method for installing and hoisting gas-insulated metal closed power transmission line in shaft and device thereof |
| CN104016243A (en) * | 2014-06-18 | 2014-09-03 | 山东电力建设第一工程公司 | Lifting device of electric cable shaft of boiler |
| CN104016243B (en) * | 2014-06-18 | 2015-12-09 | 山东电力建设第一工程公司 | Boiler cable shaft hanging apparatus |
| CN112072560A (en) * | 2020-09-29 | 2020-12-11 | 中建安装集团有限公司 | Method for vertically laying super high-rise shaft cable in air through relay lifting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HYDROCHINA XIBEI ENGINEERING CORPORATION Free format text: FORMER NAME: NORTHWEST HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF CHINA HYDROPOWER ENGINEERING CONSULTING Owner name: CHINA ELECTRIC POWER CONSTRUCTION GROUP NORTHWEST Free format text: FORMER NAME: HYDROCHINA XIBEI ENGINEERING CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 Patentee after: POWERCHINA NORTHWEST ENGINEERING Co.,Ltd. Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 Patentee before: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC |
|
| CP03 | Change of name, title or address |
Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 Patentee after: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 general survey and Design Institute of the Northwest Office Patentee before: Northwest Hydro Consulting Engineers, CHECC |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |
|
| CX01 | Expiry of patent term |