CN102101623B - Method for transporting and lifting underground substation large-sized equipment - Google Patents
Method for transporting and lifting underground substation large-sized equipment Download PDFInfo
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- CN102101623B CN102101623B CN 200910201445 CN200910201445A CN102101623B CN 102101623 B CN102101623 B CN 102101623B CN 200910201445 CN200910201445 CN 200910201445 CN 200910201445 A CN200910201445 A CN 200910201445A CN 102101623 B CN102101623 B CN 102101623B
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Abstract
The invention relates to a method for transporting and lifting underground substation large-sized equipment. The method comprises the following steps of: A, selecting a transport route and a wharf; B, lifting the underground substation large-sized equipment at the selected wharf for lightering and transporting; C, performing highway transport according to the selected transport route; D, loading and unloading the underground substation large-sized equipment at a storage yard; and E, lifting the underground substation large-sized equipment and transporting on a winding road. Compared with the prior art, the invention has the advantages that: the method is safe, reliable, stable and the like.
Description
Technical field
The present invention relates to transporting and hoisting method, particularly relate to the transporting and hoisting method of a kind of underground substation main equipment.
Background technology
Jing'an (Expo) substation project is the core engineering that guarantees the safe and reliable power supply of World Expo; 2,900,000,000 yuan of gross investments; Being not only the seat of honour 500 kv substations in the urban district, Shanghai, also will be maximum in the world, state-of-the-art full underground substation, plan to build up in 2009 and put into operation; To effectively alleviate after building up and go up the Haicheng District powerup issue, for the 2010 World Fair provides powerful electric power safeguard.This substation is positioned at the zone of BeiJing Xi Road, North Road, Chengdu, Shanhai Pass road, land for growing field crops road surrounding (being located in " eastern eight "); Power Plant Design adopts underground four layers of tubular construction, and outside diameter of cylinder reaches 130 meters, 33.5 meters of depth; Four layers of layout, main transformer equipment will be placed on-26.5 meters F3/B3.Master control room, import and export and inlet and outlet are only stayed in ground, foundation ditch area sq m more than 1.3 ten thousand, hypogee area 5.3 ten thousand sq ms; Superstructure area 1590 sq ms; The floor planning at place is a public lawn, will build " sculpture park ", becomes a new highlight of Shanghai Urban view.
This engineering will be installed 500 kilovolts of 1,500,000 kilovolt-amperes of high capacity main transformers first, and the current period is built 2 covers, and final construction scale is 3 covers, and the current period also will be built 300,000 kilovolt-amperes of main transformers of 220 kilovolts in 2 covers on this basis in addition, and final scale is 3 to overlap.The transformer capacity of 500 kilovolts and 220 kilovolts reaches 4,500,000 kilovolt-amperes and 900,000 kilovolt-amperes the most respectively.
Engineering is held foundation stone laying ceremony on March 23rd, 2006, under the personnel's that all take part in building effort, accomplishes the construction of 80 width of cloth diaphragm walls July; Accomplish piling construction December, lay 886 bored concrete piles altogether, structure construction is carried out at the scene just in full preparation, and civil engineering structure is accomplished basically to estimate in June, 2008.
After substation's civil engineering proceeds to a certain degree; And then just relate to the transportation of electrical equipment; Because this project site is positioned at the business district; Large-scale main transformer traffic condition in the equipment is comparatively complicated, and how choose reasonable haulway, vehicle configuration, the feasible transporting and hoisting scheme of design safety are to need the problem that solves at present.
Summary of the invention
Technical matters to be solved by this invention is exactly the transporting and hoisting method that a kind of underground substation main equipment is provided for the defective that overcomes above-mentioned prior art existence.
The object of the invention can be realized through following technical scheme: the transporting and hoisting method of underground substation main equipment, it is characterized in that, and may further comprise the steps:
A. haulway and harbour chooses;
B. at the harbour of choosing underground substation main equipment is lifted by crane and transfer, and transportation;
C. carry out road transport according to the haulway of choosing;
D. underground substation main equipment is carried out the stockyard loading and unloading;
E. underground substation main equipment is lifted and the Pan Lu transportation.
Described step B further may further comprise the steps:
Make hoist cable through crane barge with 4
-6 * 37 steel ropes; Pocket is enclosed within voltage transformer lifting mark; The position that goods contacts with hoist cable is provided with liner, and subsequent use four rated loads are 150 tons No. 4 shackles hook;
Promptly stop to hoist and check below doing when cargo runner lifts by crane stressed 30%:
Whether the fastening rigging of goods bundling complete removal;
Whether the steel wire loop button bit is put on the suspension centre mark;
The whether slippage of pad such as rubber, angle bar;
Whether goods has damage in the delivery process;
Whether the member stress state of goods is good;
Have or not extruding or the collision maybe with thing such as goods, hull on every side;
Whether influential operation boats and ships pass through near waters;
Whether whether this crane barge hawser is fastened, stressed even;
After above-mentioned inspection is errorless, send the lifting signal, suspension hook slowly rises with 0.5m/min speed;
Before the goods disembark, the suspension hook perpendicular line must be to the center of gravity of quasi-goods;
Goods is done following the detection: whether suspender is stressed even; Whether goods balance and stability;
Above-mentioned definite continued is with the handling of 2m/min speed; When hoisting handling, initial velocity will delay, and operation then wants steady, makes the goods bottom be higher than running orbit process zone: more than the 0.5m of cabin mouth coaming plate; After treating that goods comes to a complete stop, tighten up hawser, crane barge is moved to harbour, when goods is in the top of vehicle to be installed appropriate location, tighten up hawser and anchor chain location;
Goods draws surely rope when operation downwards, steady rope ties up to goods two ends or four jiaos;
Slowly descend with 0.5m/min speed behind the goods aligned position, about 1 meter away from the sweep that lands stop loose hook, utilize steady rope adjustment voltage transformer direction,, drop on the sweep at a slow speed after just treating surely by laterally transferring to vertically be;
Loose again hook was removed the hoist cable of crane barge after suitable colligation was reinforced.
Described step C further may further comprise the steps:
The car group of loading facilities is in operation, and the difficulty of transporting according to equipment is provided with some service vehicles, so that safeguard order of traffic;
Single batch of more vehicle is when road is attend collective's driving; Fleet is separated by far away from beginning to end; Personnel are numerous; The vehicle crew should utilize advanced communication tool on the way and the watch-dog actv. keeps in touch and the command scheduling vehicle operating, and monitoring vehicle, personnel operation and operating condition on the way at any time is with the safety traffic of assurance vehicle and equipment;
During through the crossing, go, guarantee safe passing by demand sign.During through four corners or approach crossing, speed ≯ 5km/h, the commander that department is subjected oneself to control in strictness at the uniform velocity goes on specific lane, must not brish acceleration, change gear and emergency braking;
Whole process has the part bend, and to this long transport trolley group, heavy-duty vehicle need keep bend unobstructed when turning;
Vehicle in motion, the entourage should keep a close eye on each key position of observing sweep and the binding situation of equipment, meets fault and should in time handle;
Vehicle start should steady and smooth, must not brish acceleration, and acceleration/accel is not more than 0.5g;
The running method of traction engine: the speed of a motor vehicle is not more than 15km/h in transportation, and the turning speed of a motor vehicle is not more than 3km/h; Get into the complex road surface speed of a motor vehicle and be not more than 5km/h; Meet narrow road section, potted road surface more should go at a slow speed, forbids sudden stop.Flat truck should be advanced on the main road surface of particular link, avoids in unstable road traveling of roadbed or stop;
The appliance crew notes observing and watches from a height or a distance, and prevents that unforeseen circumstances from causing emergency braking;
Transformer body degree of dip in whole transportation, the handling process: long axis direction is not more than 15 °; Short-axis direction is not more than 10 °.
Forbid rolling to be impacted, acceleration of transportation is limited in: longitudinal acceleration is not more than 0.5g, and transverse acceleration is not more than 0.3g;
Write down impact shock appearance (table) reading in the transportation and confirm signature through the owner;
Described step D further may further comprise the steps:
According to the operation field situation, confirm whether ground ballast situation allows door frame directly to use, otherwise application subgrade case or steel plate can use after padding;
Confirm that operation ground meets after the door frame operation, carry out the door frame assembly unit, will notice during assembly unit that the bolt that respectively closes link must connect fastening;
The door frame assembly unit finishes, and the door frame hydraulic jacking system is carried out trail run, in that confirm safely and effectively under the situation can place in operation;
The staff utilizes suitable hoist cable, shackle to entangle equipment, makes every effort to make the center of crossbeam to occupy on the center of gravity of equipment, produce when preventing to lift by crane significantly get rid of pendulum and weight too amesiality;
During lifting, after voltage transformer hangs loading platform 20cm, suspend and hoist, static 15 minutes and confirm just can continue operation after each stress point in order;
After treating that the voltage transformer lifting is stable, the transport trolley group slowly withdraws from the unloading area;
After car group to be transported withdraws from the unloading area, the hydraulic pressure door frame reduce synchronously the height, until the voltage transformer stable landing on the stockyard;
The entrucking mode of hydraulic pressure door frame is identical with unloading way, and program is opposite;
At first set up the hydraulic pressure door frame, and debugging finishes in the entrucking position of voltage transformer to be installed;
Hanging sleeve hoisting sling on the suspension centre of voltage transformer;
When voltage transformer is promoted by door frame, and after being located in the entrucking position, voltage transformer is prepared to carry in transport vehicle access arrangement bottom;
Lifting appliance drops to voltage transformer when the flat truck 10cm, and the hydraulic pressure door frame stops to descend.Reaffirm the loading center of the center of gravity aligning transport trolley group of voltage transformer;
After confirming to finish, continue to reduce the height of voltage transformer, all be carried on the transport trolley group until voltage transformer;
Keep watch on the fulcrum loop of hydraulic pressure car group, guarantee difference of pressure ≯ 10% of each fulcrum.And leveling transport trolley group, height resumes operation;
Shed suspender, accomplish tying up of voltage transformer and flat truck group;
Described step e underground substation main equipment is lifted further may further comprise the steps:
The hanging device group car of marching into the arena;
Treat the equipment of hanging inspection;
After inspection finishes, on the main equipment of underground substation, Lifting slings is installed;
Examination is hung: end-to-end test ground situation of change and rigging, crane load condition;
Underground substation main equipment is formally lifted:
Recover the lifting back: dismantle Current Collector Sleave, hang lid and attaching parts.
The pushing tow transportation mode is adopted in the Pan Lu transportation of described step e, and it comprises:
On passage ground, lay the reinforcement subgrade case of 6500 * 2600 * 240mm, vertically lay, two of symmetries are laid 31 altogether in 65 meters passage, remain in the voltage transformer shifting process 4 strengthen subgrade cases above.Through such handling, make the ground contact area of voltage transformer expand as 13 * 5.2=67.6m2, hydraulic top pushing device is placed subgrade case and above the case of angle, and the space between propelling unit and subgrade case is clogged with the steel plate pad, guarantees that main transformer steadily advances;
The equipment handling to well head, is started hydraulic top pushing device, begin slowly pushing tow voltage transformer,, accomplish voltage transformer work in place until in place on the basis.
Compared with prior art, the present invention
1) the advanced reasonably device design layout of substation, be convenient to the Pan Lu transportation of transformer equipment:
Expo station transformer equipment is arranged in underground-26.5 meters layers, is that underground transport channel is designed to wide 6.6 meters square according to the transportation Rational Parameters Design device layout of the equipment of voltage transformer, hangs two drift angles that the thing hole is positioned at square passageway; Transformer equipment is positioned at the outside of square passageway; No matter which platform voltage transformer can hang down from the thing hole of hanging nearby, and is in place through the straight line transportation, need not turn at underground-26.5 meters layers; Practice thrift the underground space, convenient transportation.See from the actual conditions of engineering, whole lifting, 9 days to 2009 January 22 of lower wall road duration since January in 2009 end of day, be merely 14 day duration, the phenomenon of not doing over again in the process.Advance, the reasonableness of design plan have been verified;
2) loop wheel machine selection and loop wheel machine ground are considered permanent scheme, long-range remarkable benefit:
Because the civil Engineering Design at Expo station is not considered the cushion cap basis of large-scale loop wheel machine; So what initial design was considered is to adopt 750 tons of pedrail cranes need not driving piles and handle; Not because not allowing of lifting place; This problem through Field Research, economic comparative optimization 500 tons of wheel cranes of TC2600 type, and the permanent cushion cap of the loop wheel machine of having designed and constructed is for the narrow and small city center substation main equipment lifting in place from now on provides experiential basis.
3) ground, underground substation lower wall road technique is preferred:
The Pan Lu that carries out large-scale substation in the 500kV underground substation transports at home still first, and problem has compared four kinds of dish path methods, has finally confirmed hydraulic top pushing device passing method, for underground substation construction from now on provides experience.
The specific embodiment
Be described further in the face of the present invention down.
The transporting and hoisting method of underground substation main equipment may further comprise the steps:
A. haulway and harbour chooses;
B. at the harbour of choosing underground substation main equipment is lifted by crane and transfer, and transportation;
C. carry out road transport according to the haulway of choosing;
D. underground substation main equipment is carried out the stockyard loading and unloading;
E. underground substation main equipment is lifted and the Pan Lu transportation.
Described step B further may further comprise the steps:
Make hoist cable through crane barge with 4
-6 * 37 steel ropes; Pocket is enclosed within voltage transformer lifting mark; The position that goods contacts with hoist cable is provided with liner, and subsequent use four rated loads are 150 tons No. 4 shackles hook;
Promptly stop to hoist and check below doing when cargo runner lifts by crane stressed 30%:
Whether the fastening rigging of goods bundling complete removal;
Whether the steel wire loop button bit is put on the suspension centre mark;
The whether slippage of pad such as rubber, angle bar;
Whether goods has damage in the delivery process;
Whether the member stress state of goods is good;
Have or not extruding or the collision maybe with thing such as goods, hull on every side;
Whether influential operation boats and ships pass through near waters;
Whether whether this crane barge hawser is fastened, stressed even;
After above-mentioned inspection is errorless, send the lifting signal, suspension hook slowly rises with 0.5m/min speed;
Before the goods disembark, the suspension hook perpendicular line must be to the center of gravity of quasi-goods;
Goods is done following the detection: whether suspender is stressed even; Whether goods balance and stability;
Above-mentioned definite continued is with the handling of 2m/min speed; When hoisting handling, initial velocity will delay, and operation then wants steady, makes the goods bottom be higher than running orbit process zone: more than the 0.5m of cabin mouth coaming plate; After treating that goods comes to a complete stop, tighten up hawser, crane barge is moved to harbour, when goods is in the top of vehicle to be installed appropriate location, tighten up hawser and anchor chain location;
Goods draws surely rope when operation downwards, steady rope ties up to goods two ends or four jiaos;
Slowly descend with 0.5m/min speed behind the goods aligned position, about 1 meter away from the sweep that lands stop loose hook, utilize steady rope adjustment voltage transformer direction,, drop on the sweep at a slow speed after just treating surely by laterally transferring to vertically be;
Loose again hook was removed the hoist cable of crane barge after suitable colligation was reinforced.
Described step C further may further comprise the steps:
The car group of loading facilities is in operation, and the difficulty of transporting according to equipment is provided with some service vehicles, so that safeguard order of traffic;
Single batch of more vehicle is when road is attend collective's driving; Fleet is separated by far away from beginning to end; Personnel are numerous; The vehicle crew should utilize advanced communication tool on the way and the watch-dog actv. keeps in touch and the command scheduling vehicle operating, and monitoring vehicle, personnel operation and operating condition on the way at any time is with the safety traffic of assurance vehicle and equipment;
During through the crossing, go, guarantee safe passing by demand sign.During through four corners or approach crossing, speed ≯ 5km/h, the commander that department is subjected oneself to control in strictness at the uniform velocity goes on specific lane, must not brish acceleration, change gear and emergency braking;
Whole process has the part bend, and to this long transport trolley group, heavy-duty vehicle need keep bend unobstructed when turning;
Vehicle in motion, the entourage should keep a close eye on each key position of observing sweep and the binding situation of equipment, meets fault and should in time handle;
Vehicle start should steady and smooth, must not brish acceleration, and acceleration/accel is not more than 0.5g;
The running method of traction engine: the speed of a motor vehicle is not more than 15km/h in transportation, and the turning speed of a motor vehicle is not more than 3km/h; Get into the complex road surface speed of a motor vehicle and be not more than 5km/h; Meet narrow road section, potted road surface more should go at a slow speed, forbids sudden stop.Flat truck should be advanced on the main road surface of particular link, avoids in unstable road traveling of roadbed or stop;
The appliance crew notes observing and watches from a height or a distance, and prevents that unforeseen circumstances from causing emergency braking;
Transformer body degree of dip in whole transportation, the handling process: long axis direction is not more than 15 °; Short-axis direction is not more than 10 °.
Forbid rolling to be impacted, acceleration of transportation is limited in: longitudinal acceleration is not more than 0.5g, and transverse acceleration is not more than 0.3g;
Write down impact shock appearance (table) reading in the transportation and confirm signature through the owner;
Described step D further may further comprise the steps:
According to the operation field situation, confirm whether ground ballast situation allows door frame directly to use, otherwise application subgrade case or steel plate can use after padding;
Confirm that operation ground meets after the door frame operation, carry out the door frame assembly unit, will notice during assembly unit that the bolt that respectively closes link must connect fastening;
The door frame assembly unit finishes, and the door frame hydraulic jacking system is carried out trail run, in that confirm safely and effectively under the situation can place in operation;
The staff utilizes suitable hoist cable, shackle to entangle equipment, makes every effort to make the center of crossbeam to occupy on the center of gravity of equipment, produce when preventing to lift by crane significantly get rid of pendulum and weight too amesiality;
During lifting, after voltage transformer hangs loading platform 20cm, suspend and hoist, static 15 minutes and confirm just can continue operation after each stress point in order;
After treating that the voltage transformer lifting is stable, the transport trolley group slowly withdraws from the unloading area;
After car group to be transported withdraws from the unloading area, the hydraulic pressure door frame reduce synchronously the height, until the voltage transformer stable landing on the stockyard;
The entrucking mode of hydraulic pressure door frame is identical with unloading way, and program is opposite;
At first set up the hydraulic pressure door frame, and debugging finishes in the entrucking position of voltage transformer to be installed;
Hanging sleeve hoisting sling on the suspension centre of voltage transformer;
When voltage transformer is promoted by door frame, and after being located in the entrucking position, voltage transformer is prepared to carry in transport vehicle access arrangement bottom;
Lifting appliance drops to voltage transformer when the flat truck 10cm, and the hydraulic pressure door frame stops to descend.Reaffirm the loading center of the center of gravity aligning transport trolley group of voltage transformer;
After confirming to finish, continue to reduce the height of voltage transformer, all be carried on the transport trolley group until voltage transformer;
Keep watch on the fulcrum loop of hydraulic pressure car group, guarantee difference of pressure ≯ 10% of each fulcrum.And leveling transport trolley group, height resumes operation;
Shed suspender, accomplish tying up of voltage transformer and flat truck group;
Described step e underground substation main equipment is lifted further may further comprise the steps:
The hanging device group car of marching into the arena;
Treat the equipment of hanging inspection;
After inspection finishes, on the main equipment of underground substation, Lifting slings is installed;
Examination is hung: end-to-end test ground situation of change and rigging, crane load condition;
Underground substation main equipment is formally lifted:
Recover the lifting back: dismantle Current Collector Sleave, hang lid and attaching parts.
The pushing tow transportation mode is adopted in the Pan Lu transportation of described step e, and it comprises:
On passage ground, lay the reinforcement subgrade case of 6500 * 2600 * 240mm, vertically lay, two of symmetries are laid 31 altogether in 65 meters passage, remain in the voltage transformer shifting process 4 strengthen subgrade cases above.Through such handling, make the ground contact area of voltage transformer expand as 13 * 5.2=67.6m2, hydraulic top pushing device is placed subgrade case and above the case of angle, and the space between propelling unit and subgrade case is clogged with the steel plate pad, guarantees that main transformer steadily advances;
The equipment handling to well head, is started hydraulic top pushing device, begin slowly pushing tow voltage transformer,, accomplish voltage transformer work in place until in place on the basis.
Claims (6)
1. the transporting and hoisting method of underground substation main equipment is characterized in that, may further comprise the steps:
A. haulway and harbour chooses;
B. at the harbour of choosing underground substation main equipment is lifted by crane and transfer, and transportation;
C. carry out road transport according to the haulway of choosing;
D. underground substation main equipment is carried out the stockyard loading and unloading;
E. underground substation main equipment is lifted and the Pan Lu transportation.
2. according to the large-scale transporting and hoisting method of establishing each in right 1 described underground substation, it is characterized in that described step B further may further comprise the steps:
Make hoist cable through crane barge with 4
steel ropes; Pocket is enclosed within voltage transformer lifting mark; The position that goods contacts with hoist cable is provided with liner, and subsequent use four rated loads are 150 tons No. 4 shackles hook;
Promptly stop to hoist and check below doing when cargo runner lifts by crane stressed 30%:
Whether the fastening rigging of goods bundling complete removal;
Whether the steel wire loop button bit is put on the suspension centre mark;
The whether slippage of pad such as rubber, angle bar;
Whether goods has damage in the delivery process;
Whether the member stress state of goods is good;
Have or not extruding or the collision maybe with thing such as goods, hull on every side;
Whether influential operation boats and ships pass through near waters;
Whether whether this crane barge hawser is fastened, stressed even;
After above-mentioned inspection is errorless, send the lifting signal, suspension hook slowly rises with 0.5m/min speed;
Before the goods disembark, the suspension hook perpendicular line must be to the center of gravity of quasi-goods;
Goods is done following the detection: whether suspender is stressed even; Whether goods balance and stability;
Above-mentioned definite continued is with the handling of 2m/min speed; When hoisting handling, initial velocity will delay, and operation then wants steady, makes the goods bottom be higher than running orbit process zone: more than the 0.5m of cabin mouth coaming plate; After treating that goods comes to a complete stop, tighten up hawser, crane barge is moved to harbour, when goods is in the top of vehicle to be installed appropriate location, tighten up hawser and anchor chain location;
Goods draws surely rope when operation downwards, steady rope ties up to goods two ends or four jiaos;
Slowly descend with 0.5m/min speed behind the goods aligned position, about 1 meter away from the sweep that lands stop loose hook, utilize steady rope adjustment voltage transformer direction,, drop on the sweep at a slow speed after just treating surely by laterally transferring to vertically be;
Loose again hook was removed the hoist cable of crane barge after suitable colligation was reinforced.
3. according to transporting and hoisting power one method of right 1 or 2 described underground substation main equipments, it is characterized in that described step C further may further comprise the steps:
The car group of loading facilities is in operation, and the difficulty of transporting according to equipment is provided with some service vehicles, so that safeguard order of traffic;
Single batch of more vehicle is when road is attend collective's driving; Fleet is separated by far away from beginning to end; Personnel are numerous; The vehicle crew should utilize advanced communication tool on the way and the watch-dog actv. keeps in touch and the command scheduling vehicle operating, and monitoring vehicle, personnel operation and operating condition on the way at any time is with the safety traffic of assurance vehicle and equipment;
During through the crossing, go, guarantee safe passing by demand sign; During through four corners or approach crossing, speed is not more than 5km/h, and the commander that department is subjected oneself to control in strictness at the uniform velocity goes on specific lane, must not brish acceleration, change gear and emergency braking;
Whole process has the part bend, and to this long transport trolley group, heavy-duty vehicle need keep bend unobstructed when turning; Vehicle in motion, the entourage should keep a close eye on each key position of observing sweep and the binding situation of equipment, meets fault and should in time handle;
Vehicle start should steady and smooth, must not brish acceleration, and acceleration/accel is not more than 0.5g;
The running method of traction engine: the speed of a motor vehicle is not more than 15km/h in transportation, and the turning speed of a motor vehicle is not more than 3km/h; Get into the complex road surface speed of a motor vehicle and be not more than 5km/h; Meet narrow road section, potted road surface more should go at a slow speed, forbids sudden stop; Flat truck should be advanced on the main road surface of particular link, avoids in unstable road traveling of roadbed or stop;
The appliance crew notes observing and watches from a height or a distance, and prevents that unforeseen circumstances from causing emergency braking;
Transformer body degree of dip in whole transportation, the handling process: long axis direction is not more than 15 °; Short-axis direction is not more than 10 °;
Forbid rolling to be impacted, acceleration of transportation is limited in: longitudinal acceleration is not more than 0.5g, and transverse acceleration is not more than 0.3g;
Write down impact shock appearance (table) reading in the transportation and confirm signature through the owner.
4. according to the transporting and hoisting method of right 3 described underground substation main equipments, it is characterized in that described step D further may further comprise the steps:
According to the operation field situation, confirm whether ground ballast situation allows door frame directly to use, otherwise application subgrade case or steel plate can use after padding;
Confirm that operation ground meets after the door frame operation, carry out the door frame assembly unit, will notice during assembly unit that the bolt that respectively closes link must connect fastening;
The door frame assembly unit finishes, and the door frame hydraulic jacking system is carried out trail run, in that confirm safely and effectively under the situation can place in operation;
The staff utilizes suitable hoist cable, shackle to entangle equipment, makes every effort to make the center of crossbeam to occupy on the center of gravity of equipment, produce when preventing to lift by crane significantly get rid of pendulum and weight too amesiality;
During lifting, after voltage transformer hangs loading platform 20cm, suspend and hoist, static 15 minutes and confirm just can continue operation after each stress point in order;
After treating that the voltage transformer lifting is stable, the transport trolley group slowly withdraws from the unloading area;
After car group to be transported withdraws from the unloading area, the hydraulic pressure door frame reduce synchronously the height, until the voltage transformer stable landing on the stockyard;
The entrucking mode of hydraulic pressure door frame is identical with unloading way, and program is opposite;
At first set up the hydraulic pressure door frame, and debugging finishes in the entrucking position of voltage transformer to be installed;
Hanging sleeve hoisting sling on the suspension centre of voltage transformer;
When voltage transformer is promoted by door frame, and after being located in the entrucking position, voltage transformer is prepared to carry in transport vehicle access arrangement bottom;
Lifting appliance drops to voltage transformer when the flat truck 10cm, and the hydraulic pressure door frame stops to descend; Reaffirm the loading center of the center of gravity aligning transport trolley group of voltage transformer;
After confirming to finish, continue to reduce the height of voltage transformer, all be carried on the transport trolley group until voltage transformer;
Keep watch on the fulcrum loop of hydraulic pressure car group, guarantee that the difference of pressure of each fulcrum is not more than 10%; And leveling transport trolley group, height resumes operation;
Shed suspender, accomplish tying up of voltage transformer and flat truck group.
5. according to the transporting and hoisting method of right 4 described underground substation main equipments, it is characterized in that described step e underground substation main equipment is lifted further may further comprise the steps:
The hanging device group car of marching into the arena;
Treat the equipment of hanging inspection;
After inspection finishes, on the main equipment of underground substation, Lifting slings is installed;
Examination is hung: end-to-end test ground situation of change and rigging, crane load condition;
Underground substation main equipment is formally lifted:
Recover the lifting back: dismantle Current Collector Sleave, hang lid and attaching parts.
6. according to the transporting and hoisting method of right 5 described underground substation main equipments, it is characterized in that the pushing tow transportation mode is adopted in the Pan Lu transportation of described step e, it comprises:
On passage ground, lay the reinforcement subgrade case of 6500 * 2600 * 240mm, vertically lay, two of symmetries are laid 31 altogether in 65 meters passage, remain in the voltage transformer shifting process 4 strengthen subgrade cases above; Through such handling, make the ground contact area of voltage transformer expand as 13 * 5.2=67.6m
2, hydraulic top pushing device is placed subgrade case and above the case of angle, and the space between propelling unit and subgrade case is clogged with the steel plate pad, guarantees that main transformer steadily advances;
The equipment handling to well head, is started hydraulic top pushing device, begin slowly pushing tow voltage transformer,, accomplish voltage transformer work in place until in place on the basis.
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| CN 200910201445 CN102101623B (en) | 2009-12-18 | 2009-12-18 | Method for transporting and lifting underground substation large-sized equipment |
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| CN 200910201445 CN102101623B (en) | 2009-12-18 | 2009-12-18 | Method for transporting and lifting underground substation large-sized equipment |
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| CN102101623A CN102101623A (en) | 2011-06-22 |
| CN102101623B true CN102101623B (en) | 2012-12-05 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102926799B (en) * | 2012-10-24 | 2016-01-27 | 广东省工业设备安装公司重庆分公司 | Underground construction main equipment hoisting transportation method |
| CN103482038B (en) * | 2013-09-24 | 2016-08-10 | 国网上海市电力公司 | A kind of Water transportation method of big component |
| CN108119702A (en) * | 2016-11-29 | 2018-06-05 | 中冶天工集团天津有限公司 | A kind of auxiliary system and construction method of underground pipe gallery Pipe installing |
| CN109553008B (en) * | 2018-12-07 | 2020-03-17 | 中联重科股份有限公司 | Hoisting equipment and hoisting assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431635A (en) * | 2003-02-11 | 2003-07-23 | 上海奥达光电子科技有限公司 | Self-adapting system for managing traffic stream on roads and bridges |
| CN1741052A (en) * | 2005-09-22 | 2006-03-01 | 上海交通大学 | Vehicle stowage and path optimizing system |
| CN1980843A (en) * | 2004-06-04 | 2007-06-13 | 凯特运输有限公司 | Method for transporting goods, and installation for carrying out said method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431635A (en) * | 2003-02-11 | 2003-07-23 | 上海奥达光电子科技有限公司 | Self-adapting system for managing traffic stream on roads and bridges |
| CN1980843A (en) * | 2004-06-04 | 2007-06-13 | 凯特运输有限公司 | Method for transporting goods, and installation for carrying out said method |
| CN1741052A (en) * | 2005-09-22 | 2006-03-01 | 上海交通大学 | Vehicle stowage and path optimizing system |
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Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: SHANGHAI ELECTRIC POWER COMPANY GRID CONSTRUCTION COMPANY Effective date: 20121212 |
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Effective date of registration: 20121212 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Patentee after: Shanghai Electric Power Corporation Patentee after: State Grid Corporation of China Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Patentee before: Shanghai Electric Power Corporation Patentee before: Grid Construction Company of Shanghai Municipal Electric Power Company |