CN113250522B - Track trolley for chimney construction by suspension cable hydraulic inversion method and construction method - Google Patents
Track trolley for chimney construction by suspension cable hydraulic inversion method and construction method Download PDFInfo
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- CN113250522B CN113250522B CN202110428634.7A CN202110428634A CN113250522B CN 113250522 B CN113250522 B CN 113250522B CN 202110428634 A CN202110428634 A CN 202110428634A CN 113250522 B CN113250522 B CN 113250522B
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 238000003860 storage Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 8
- 238000003491 array Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 210000002421 cell wall Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/344—Arrangements for lifting tower sections for placing additional sections under them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/28—Chimney stacks, e.g. free-standing, or similar ducts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The application relates to a track trolley for chimney construction by a suspension cable hydraulic inversion method and a construction method, belonging to the technical field of chimney installation, and the track trolley comprises a trolley base, wherein a pulley is fixed on the trolley base, and an alignment assembly is arranged on one side of the trolley base, which is away from the pulley, and comprises an upper shroud plate, a ball bearing and a lower shroud plate from top to bottom in sequence; the ball bearing comprises a fixed seat and a sliding ball, one end of the fixed seat is fixedly connected with a lower shroud plate, the other end of the fixed seat is rotationally connected with the sliding ball, the sliding ball rotates relative to the fixed seat and is abutted against an upper shroud plate, the lower shroud plate is connected with a trolley base and the upper shroud plate in an inserted manner in the vertical direction, and a gap is reserved between the upper shroud plate and the lower shroud plate for displacement of the upper shroud plate relative to the lower shroud plate in the horizontal direction.
Description
Technical Field
The application relates to the technical field of chimney installation, in particular to a track trolley for chimney construction by a suspension cable hydraulic inversion method and a construction method.
Background
A chimney is a structure that provides ventilation for a boiler, furnace or fireplace. The chimney is typically vertical, or as close to vertical as possible, to ensure smooth flow of gas. The space within the chimney is called the stack. The chimney is suitable for buildings, steam locomotives and ships.
The chimney is classified into a reinforced concrete chimney, a steel chimney and a brick chimney according to materials.
The steel chimney is installed by adopting an assembling and welding mode, the whole chimney inner barrel is split and prefabricated into a plurality of chimney steel inner barrels by a factory according to a design drawing, the plurality of chimney steel inner barrels are conveyed to an installation site, the construction is carried out by adopting a flip-chip method from bottom to top, namely, the upper chimney steel inner barrel is lifted, and the other chimney steel inner barrel is put into the lower part for alignment welding, and the butt joint and alignment between the chimney steel inner barrels are realized by adopting a manual hoist generally.
Aiming at the related technology, the inventor considers that the manual hoist is adopted for alignment, and the chimney steel inner cylinder is hoisted through the manual hoist, so that the chimney steel inner cylinder is rocked back and forth, and the defect of low alignment efficiency exists.
Disclosure of Invention
The application provides a track trolley for chimney construction by a suspension cable hydraulic inversion method and a construction method for realizing rapid and stable alignment of a subsequent chimney steel inner cylinder and a chimney steel inner cylinder hoisted above.
In a first aspect, the application provides a track trolley for chimney construction by a suspension cable hydraulic inversion method, which adopts the following technical scheme:
the utility model provides a be used for suspension cable hydraulic pressure flip-chip method chimney construction track platform truck, includes the platform truck base, is fixed with the pulley on the platform truck base, platform truck base deviates from pulley one side and is provided with the alignment subassembly, and the alignment subassembly is from top to bottom including upper shroud plate, ball support and lower shroud plate in proper order; the ball support comprises a fixed seat and a sliding ball, one end of the fixed seat is fixedly connected with the lower shroud plate, the other end of the fixed seat is rotationally connected with the sliding ball, the sliding ball rotates relative to the fixed seat and is abutted against the upper shroud plate, the lower shroud plate is connected with the trolley base and the upper shroud plate in an inserted manner in the vertical direction, and a gap for the displacement of the upper shroud plate relative to the lower shroud plate in the horizontal direction is reserved between the upper shroud plate and the lower shroud plate.
Through adopting above-mentioned technical scheme, after being located chimney steel inner tube hoist and mount in place, vertically place the chimney steel inner tube that is located the below on the upper shroud plate, transport the chimney steel inner tube that has already hoisted in place under through the track platform truck, fixed track platform truck, promote the upper shroud plate in the horizontal direction, also can promote the chimney steel inner tube on the upper shroud plate, owing to the existence of ball support, and leave the interval of upper shroud plate horizontal migration between lower shroud plate and the upper shroud plate, can carry out the position setting to the chimney steel inner tube on the track platform truck, stability is more stable through chain block hoist and mount when the position setting, reach the quick stable alignment effect of follow-up chimney steel inner tube and the chimney steel inner tube that has hoisted in top.
Optionally, be provided with first electromagnet between lower shroud board and the last shroud board, first electromagnet and lower shroud board fixed connection, first electromagnet deviates from lower shroud board one end terminal surface and last shroud board butt.
Through adopting above-mentioned technical scheme, owing to leave the interval of going up the horizontal migration of cladding plate between lower cladding plate and the last cladding plate, so set up first electromagnet, first electromagnet can adsorb last cladding plate under the switch-on state to realize the fixed of cladding plate and lower cladding plate, be convenient for go up the fixed after cladding plate position adjustment, and go up the stable removal of cladding plate when not using.
Optionally, the last first caulking groove of having seted up of cladding plate, first caulking groove is located the cladding plate and faces down on the lateral wall of cladding plate, down the cladding plate insert and inlay in first caulking groove, there is the interval and is provided with the spring down between cladding plate circumference lateral wall and the first caulking groove cell wall, spring one end and cladding plate circumference lateral wall fixed connection down, the other end and first caulking groove cell wall fixed connection, the spring is provided with a plurality ofly, adjacent spring sets up along cladding plate circumference lateral wall equidistance down.
By adopting the technical scheme, the upper shroud plate is in a state of forming a protective shell on the lower shroud plate by the arrangement of the first inserting groove, and meanwhile, the lower shroud plate is inserted and embedded in the first inserting groove, so that the upper shroud plate and the lower shroud plate form limit, and the upper shroud plate is prevented from being excessively displaced in the horizontal direction; the setting of spring guarantees that the upper cladding plate can automatic re-setting when first electromagnet is out of service, and the next time of using of upper cladding plate of being convenient for.
Optionally, be provided with hydraulic jack between platform truck base and the lower shroud plate, hydraulic jack one end and platform truck base fixed connection, the other end and lower shroud plate butt.
Through adopting above-mentioned technical scheme, the setting of hydraulic jack makes alignment subassembly bear chimney steel inner tube and can wholly upwards remove, is convenient for adjust the position of the chimney steel inner tube that is located the below.
Optionally, a second inserting groove is formed in the trolley base, the hydraulic jacks are fixed in the second inserting groove, the hydraulic jacks are arranged in a plurality of rectangular arrays and distributed, the thickness of the lower cladding plate is larger than that of the upper cladding plate, and the part of the lower cladding plate exceeding the coverage area of the upper cladding plate is inserted in the second inserting groove; when the hydraulic jack is compressed to a limit state, the lower shroud plate is simultaneously connected with the first inserting groove and the second inserting groove in an inserting mode, and the side wall, close to the trolley base, of the upper shroud plate is abutted to the trolley base.
Through adopting above-mentioned technical scheme, the setting of second caulking groove is for the removal of lower shroud plate in vertical direction, has limited the travel path, makes the more stable along vertical direction removal of lower shroud plate, avoids the emergence of lower shroud plate slope toppling phenomenon. In the compression limit state of the hydraulic jack, the limit of the abutting of the upper shroud plate and the trolley base is convenient for the integral movement of the hydraulic jack when the hydraulic jack is not used any more, and the lower shroud plate and other components on the lower shroud plate are protected.
Optionally, the groove walls of the second inserting grooves opposite to each other are all obliquely arranged, and the oblique directions are obliquely downwards arranged along the directions close to each other; the lower shroud plate is provided with third inserting grooves, the number of the third inserting grooves is the same as the number of the hydraulic jacks, the third inserting grooves are arranged right opposite to the hydraulic jacks, and the piston ends of the hydraulic jacks are connected with the third inserting grooves in an inserting mode.
Through adopting above-mentioned technical scheme, the mode that the slope of second inserted groove cell wall set up makes the cladding plate whereabouts more flow when resetting down, plays the guide effect to the cladding plate whereabouts and resets down, replaces the spacing of vertical direction when removing down the cladding plate by the third inserted groove simultaneously, through the mutual spacing of third inserted groove cell wall and hydraulic jack piston end, avoids the emergence of cladding plate phenomenon down.
Optionally, be provided with second electromagnet on the platform truck base, second electromagnet is fixed in second caulking groove tank bottom department, and when hydraulic jack compressed to limit state, second electromagnet and lower shroud plate butt.
Through adopting above-mentioned technical scheme, the setting of second electromagnet provides stable connected mode for the lower shroud plate, when the lower shroud plate does not need to upwards move or the application is the state of accomodating, makes lower shroud plate and trolley base stable connection, and second electromagnet plays the counter weight effect to the trolley base simultaneously, guarantees trolley base's stability.
Optionally, the lower shroud plate is provided with a storage groove, the notch of the storage groove is opposite to the upper shroud plate, and the ball support and the electromagnetic chuck are both fixed at the bottom of the storage groove.
By adopting the technical scheme, the accommodating groove is formed, the ball bearing and the electromagnetic chuck are placed in the accommodating groove, and the thickness of the lower cladding plate is reduced, so that the overall weight of the application is reduced, and the material is saved on the premise of ensuring the using conditions and functions of the ball bearing and the electromagnetic chuck.
Optionally, the ball supports set up quantity and hydraulic jack and set up quantity the same, and all ball supports are rectangular array form and distribute, and the projection position of ball support in vertical direction coincides with the position that hydraulic jack is located.
Through adopting above-mentioned technical scheme, the weight of the chimney steel inner tube that the upper shroud plate bore passes through ball support downward transmission, is born by hydraulic jack, carries out the transmission of power directly in same vertical direction, has reduced the phenomenon that the lower shroud plate warp because of inhomogeneous atress, has formed the protection to the lower shroud plate.
In a second aspect, the application provides a construction method for a chimney construction track trolley by a suspension cable hydraulic inversion method, which adopts the following technical scheme:
a construction method for a suspension cable hydraulic inverted chimney construction track trolley comprises the following steps:
s1, carrying out coarse positioning after conveying a chimney steel inner cylinder to an installation position by a track trolley;
s2, stopping working of the second electromagnetic chuck, and starting lifting the hydraulic jack;
s3, the first electromagnetic chuck stops working, and the upper cladding plate can carry out horizontal position adjustment under the action of the ball bearing, so that the adjacent chimney steel inner cylinder is stably and accurately positioned, and the first electromagnetic chuck is started again after the positioning is finished;
s4, restarting the hydraulic jack to enable the end parts of the adjacent chimney steel inner cylinders close to each other to be abutted, and performing welding operation;
s5, resetting each component after the welding operation is completed.
Through adopting above-mentioned technical scheme, be different from the mode of normal chimney forward installation, adopt the flip-chip method, avoided the workman at the risk of high altitude construction, adopt the track platform truck simultaneously to make the workman just accomplish the location of adjacent chimney steel inner tube subaerial, the cooperation workman welds at the low altitude, makes the installation of chimney safer and accurate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the alignment component can enable the chimney steel inner cylinder positioned below to be stably and accurately positioned with the chimney steel inner cylinder positioned above;
2. when the first electromagnetic chuck does not work, the spring is arranged to complete automatic resetting of the upper cladding plate, so that the next use of the upper cladding plate is facilitated;
3. construction is performed by the flip-chip method and the rail trolley is matched, so that the construction safety of workers is improved, and meanwhile, the chimney is installed more accurately.
Drawings
FIG. 1 is a schematic view of a storage state according to an embodiment of the present application;
FIG. 2 is an exploded view of the overall structure of an embodiment of the present application;
fig. 3 is an exploded view of an embodiment of the present application.
Reference numerals illustrate: 1. a trolley base; 11. a pulley; 12. a second insertion groove; 2. an alignment assembly; 21. coating a plate; 211. a first insertion groove; 22. a ball bearing; 221. a fixing seat; 222. a sliding bead; 23. a lower cladding plate; 231. a third insertion groove; 232. a storage groove; 3. a first electromagnetic chuck; 4. a spring; 5. a hydraulic jack; 6. and the second electromagnetic chuck.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a track trolley for chimney construction by a suspension cable hydraulic inversion method.
Referring to fig. 1, a track trolley for chimney construction by a suspension cable hydraulic inversion method comprises a trolley base 1, wherein an alignment assembly 2 is arranged on the trolley base 1, and during chimney construction, the whole chimney is split into a plurality of chimney steel inner cylinders for welding and assembling. The alignment assembly 2 is used for bearing the chimney steel inner cylinder and adjusting the position of the chimney steel inner cylinder.
Referring to fig. 1, the carriage base 1 is a rectangular carriage base 1 in the present embodiment, but may be another shape. The pulley 11 is arranged on the bottom surface of the trolley base 1, the pulley 11 can be universal wheels with self-locking functions, the pulley 11 is arranged at four corners of the trolley base 1 and distributed at four corners of the trolley base 1, and the trolley base 1 can be moved and stopped conveniently.
Referring to fig. 2, a second insertion groove 12 is formed on the top surface of the trolley base 1, groove walls of the second insertion groove 12 facing each other are all inclined, and the inclined directions are inclined downwards along the directions approaching each other. Be provided with hydraulic jack 5 and second electromagnet 6 on the platform truck base 1, hydraulic jack 5 and second electromagnet 6 all are fixed in second caulking groove 12 tank bottom department, and hydraulic jack 5 is provided with four, and four hydraulic jacks 5 distribute respectively in being close to second caulking groove 12 tank bottom four corners department, and second electromagnet 6 is located in the middle of the rectangle frame that four hydraulic jacks 5 enclose.
Referring to fig. 2 and 3, the alignment assembly 2 includes an upper shroud plate 21, a lower shroud plate 23 and a ball support 22, the lower shroud plate 23 is rectangular plate-shaped, the lower shroud plate 23 is horizontally arranged, a third inserting groove 231 is formed in the bottom surface of the lower shroud plate 23, the third inserting groove 231 is vertically formed, four third inserting grooves 231 are formed, the position of the third inserting groove 231 is right opposite to the position of the hydraulic jack 5, the piston end of the hydraulic jack 5 is inserted into the third inserting groove 231, and when the hydraulic jack 5 is compressed to a limit state, the bottom surface of the lower shroud plate 23 is abutted to the second electromagnetic chuck 6. The storage groove 232 is formed in the top surface of the lower shroud plate 23, the storage groove 232 is formed vertically, the first electromagnetic chuck 3 is fixed on the lower shroud plate 23, and the first electromagnetic chuck 3 and the ball support 22 are fixed on the bottom of the storage groove 232. The ball support 22 includes a fixed seat 221 and a sliding bead 222, the fixed seat 221 is vertically arranged, one end of the fixed seat 221 is fixedly connected with the bottom of the accommodating groove 232, and the other end is rotationally connected with the sliding bead 222, i.e. the sliding bead 222 cannot be separated from the fixed seat 221 and can rotate 360 degrees relative to the fixed seat 221. The ball support 22 is provided with four, and the ball support 22 is arranged corresponding to the position of the hydraulic jack 5, namely, the ball support 22 and the hydraulic jack 5 are in the same vertical direction. The first electromagnetic chuck 3 is positioned in the middle of a rectangular frame surrounded by four rolling supports.
Referring to fig. 2 and 3, the upper shroud plate 21 is rectangular plate-shaped, the upper shroud plate 21 is horizontally arranged, the bottom surface of the upper shroud plate 21 is provided with a first inserting groove 211, the first inserting groove 211 is vertically formed, the thickness of the lower shroud plate 23 is larger than that of the upper shroud plate 21, the lower shroud plate 23 is close to the upper shroud plate 21 and is inserted into the first inserting groove 211, a space exists between the circumferential side wall of the lower shroud plate 23 and the groove wall of the first inserting groove 211, a plurality of springs 4 are arranged between the circumferential side wall of the lower shroud plate 23 and the groove wall of the first inserting groove 211, one end of each spring 4 is fixedly connected with the circumferential side wall of the lower shroud plate 23, the other end of each spring 4 is fixedly connected with the groove wall of the first inserting groove 211, adjacent springs 4 on the same side wall of the lower shroud plate 23 are equidistantly arranged, and in this embodiment, the springs 4 on the same side wall of the lower shroud plate 23 are only drawn two as illustrations.
Referring to fig. 1, 2 and 3, when the hydraulic jack 5 is compressed to a limit state, the upper portion of the lower shroud plate 23 is inserted into the first insertion groove 211, the lower portion of the lower shroud plate 23 is inserted into the second insertion groove 12, and the end surface of the upper shroud plate 21, which is opposite to the trolley base 1, is abutted against the top surface of the trolley base 1, so that the upper shroud plate 21 and the trolley base 1 complete the complete package of the lower shroud plate 23, thereby facilitating the transportation of the present application.
The embodiment of the application also discloses a construction method for the suspension cable hydraulic inverted chimney construction track trolley.
The method comprises the following steps:
s1, carrying out hoisting after a chimney steel inner cylinder is conveyed to a mounting position by a track trolley, carrying out coarse positioning after a subsequent chimney steel inner cylinder is conveyed to the mounting position by the track trolley after the first chimney steel inner cylinder is hoisted and positioned, and controlling the deviation within a range of 5 cm;
s2, the first electromagnetic chuck 3 is in a working state, the second electromagnetic chuck 6 stops working, the hydraulic jack 5 starts to lift, and the lifting is stopped after the hydraulic jack is lifted to a range of 3-5cm from the joint of the steel inner cylinder of the adjacent chimney;
s3, the first electromagnetic chuck 3 stops working, and the upper cladding plate 21 can be horizontally adjusted under the action of the ball support 22, so that the adjacent chimney steel inner cylinder is stably and accurately positioned, and after the positioning is finished, the first electromagnetic chuck 3 is started again, so that the upper cladding plate 21 and the lower cladding plate 23 form a fixed state again;
s4, restarting the hydraulic jack 5 to enable the end parts of the adjacent chimney steel inner cylinders close to each other to be abutted, and performing welding operation;
s5, after the welding operation is finished, the hydraulic jack 5 is recycled and compressed to a limit state, the lower shroud plate 23 is adsorbed by the second electromagnetic chuck 6, the first electromagnetic chuck 3 stops working, the spring 4 automatically centers the upper shroud plate 21 for resetting, then the first electromagnetic chuck 3 is started again to fix the upper shroud plate 21 and the lower shroud plate 23, and finally the resetting state of each component is finished.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. The utility model provides a be used for suspension cable hydraulic pressure flip-chip method chimney construction track platform truck, includes platform truck base (1), is fixed with pulley (11), its characterized in that on platform truck base (1): one side of the trolley base (1) deviating from the pulley (11) is provided with an alignment assembly (2), and the alignment assembly (2) sequentially comprises an upper cladding plate (21), a ball bearing (22) and a lower cladding plate (23) from top to bottom; the ball support (22) comprises a fixed seat (221) and a sliding bead (222), one end of the fixed seat (221) is fixedly connected with the lower shroud plate (23), the other end of the fixed seat is rotationally connected with the sliding bead (222), the sliding bead (222) rotates relative to the fixed seat (221), the position, deviating from the fixed seat (221), of the sliding bead (222) is abutted against the upper shroud plate (21), the lower shroud plate (23) is in inserted connection with the trolley base (1) and the upper shroud plate (21) in the vertical direction, and a space for the upper shroud plate (21) to displace in the horizontal direction relative to the lower shroud plate (23) is reserved between the upper shroud plate (21) and the lower shroud plate (23); a first electromagnetic chuck (3) is arranged between the lower shroud plate (23) and the upper shroud plate (21), the first electromagnetic chuck (3) is fixedly connected with the lower shroud plate (23), and the end face of one end of the first electromagnetic chuck (3) deviating from the lower shroud plate (23) is abutted with the upper shroud plate (21); a hydraulic jack (5) is arranged between the trolley base (1) and the lower cladding plate (23), one end of the hydraulic jack (5) is fixedly connected with the trolley base (1), and the other end of the hydraulic jack is in butt joint with the lower cladding plate (23); the trolley base (1) is provided with a second inserting groove (12), the hydraulic jacks (5) are fixed in the second inserting groove (12), the hydraulic jacks (5) are distributed in a plurality of rectangular arrays, the thickness of the lower cladding plate (23) is larger than that of the upper cladding plate (21), and the part of the lower cladding plate (23) exceeding the coverage area of the upper cladding plate (21) is inserted in the second inserting groove (12); the upper cladding plate (21) is provided with a first inserting groove (211), the first inserting groove (211) is positioned on the side wall of the upper cladding plate (21) facing the lower cladding plate (23), the lower cladding plate (23) is inserted into the first inserting groove (211), a space exists between the circumferential side wall of the lower cladding plate (23) and the wall of the first inserting groove (211), a spring (4) is arranged between one end of the spring (4) and the circumferential side wall of the lower cladding plate (23), the other end of the spring is fixedly connected with the wall of the first inserting groove (211), a plurality of springs (4) are arranged, and adjacent springs (4) are arranged at equal intervals along the circumferential side wall of the lower cladding plate (23); when the hydraulic jack (5) is compressed to a limit state, the lower shroud plate (23) is simultaneously connected with the first inserting groove (211) and the second inserting groove (12) in an inserting way, and the upper shroud plate (21) is close to the side wall of the trolley base (1) and is abutted against the trolley base (1); the trolley is characterized in that a second electromagnetic chuck (6) is arranged on the trolley base (1), the second electromagnetic chuck (6) is fixed at the bottom of the second inserting groove (12), and when the hydraulic jack (5) is compressed to a limit state, the second electromagnetic chuck (6) is abutted to the lower shroud plate (23).
2. The track trolley for hydraulic inverted suspension chimney construction according to claim 1, wherein: the groove walls of the second inserting grooves (12) which are opposite to each other are obliquely arranged, and the oblique directions are obliquely downwards arranged along the directions close to each other; the lower shroud plate (23) is provided with third inserting grooves (231), the number of the third inserting grooves (231) is the same as the number of the hydraulic jacks (5), the third inserting grooves (231) are arranged at positions opposite to the hydraulic jacks (5), and the piston ends of the hydraulic jacks (5) are connected with the third inserting grooves (231) in an inserting mode.
3. The track trolley for hydraulic inverted suspension chimney construction according to claim 1, wherein: the lower shroud plate (23) is provided with a storage groove (232), the notch of the storage groove (232) is opposite to the upper shroud plate (21), and the ball support (22) and the electromagnetic chuck are both fixed at the bottom of the storage groove (232).
4. A track trolley for use in a hydraulic inverted suspension chimney construction according to claim 3, wherein: the number of the ball supports (22) is the same as that of the hydraulic jacks (5), all the ball supports (22) are distributed in a rectangular array shape, and the projection positions of the ball supports (22) in the vertical direction are coincident with the positions of the hydraulic jacks (5).
5. A construction method for a chimney construction track trolley by using the hydraulic inversion method of a suspension cable according to claim 1, which is characterized in that: the method comprises the following steps:
s1, carrying out coarse positioning after conveying a chimney steel inner cylinder to an installation position by a track trolley;
s2, stopping working of the second electromagnetic chuck (6), and starting lifting of the hydraulic jack (5);
s3, the first electromagnetic chuck (3) stops working, the upper cover plate (21) can carry out horizontal position adjustment under the action of the ball bearing (22), so that the adjacent chimney steel inner cylinder is stably and accurately positioned, and the first electromagnetic chuck (3) is started again after the positioning is finished;
s4, restarting the hydraulic jack (5) to enable the end parts of the adjacent chimney steel inner cylinders close to each other to be abutted, and performing welding operation;
s5, resetting each component after the welding operation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110428634.7A CN113250522B (en) | 2021-04-21 | 2021-04-21 | Track trolley for chimney construction by suspension cable hydraulic inversion method and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110428634.7A CN113250522B (en) | 2021-04-21 | 2021-04-21 | Track trolley for chimney construction by suspension cable hydraulic inversion method and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113250522A CN113250522A (en) | 2021-08-13 |
| CN113250522B true CN113250522B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110428634.7A Active CN113250522B (en) | 2021-04-21 | 2021-04-21 | Track trolley for chimney construction by suspension cable hydraulic inversion method and construction method |
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| CN (1) | CN113250522B (en) |
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2021
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| CN113250522A (en) | 2021-08-13 |
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