CN116750662A - Hoisting device for construction of steam turbine room and cooling tower of thermal power plant - Google Patents
Hoisting device for construction of steam turbine room and cooling tower of thermal power plant Download PDFInfo
- Publication number
- CN116750662A CN116750662A CN202310717845.1A CN202310717845A CN116750662A CN 116750662 A CN116750662 A CN 116750662A CN 202310717845 A CN202310717845 A CN 202310717845A CN 116750662 A CN116750662 A CN 116750662A
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- China
- Prior art keywords
- lifting
- cooling tower
- chain
- seat
- fastening chain
- Prior art date
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- 238000001816 cooling Methods 0.000 title claims abstract description 69
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims abstract description 21
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000004804 winding Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a lifting device for construction of a steam turbine room and a cooling tower of a thermal power plant, and particularly relates to the technical field of lifting equipment of the cooling tower. According to the utility model, the lower fastening chain and the upper fastening chain are respectively coiled on the bottom and the top of the cooling tower, and are fixed in the slotted holes of the corresponding lower fastening chain and upper fastening chain by utilizing the lock hook blocks, so that the fastening connection of the lower fastening chain and the upper fastening chain with the cooling tower is realized, the lower fastening chain and the upper fastening chain are connected together by a plurality of support chains and arc chains which are equidistantly arranged, the stability of the lifting reinforcement chain is improved, the top of the cooling tower and the lifting reinforcement chain are simultaneously lifted by utilizing the branch lifting hooks and the main lifting hooks, the falling of the cooling tower caused by a single lifting mode is avoided, and the lifting safety of the cooling tower is improved.
Description
Technical Field
The utility model relates to the technical field of cooling tower lifting equipment, in particular to a lifting device for construction of a steam turbine room and a cooling tower of a thermal power plant.
Background
The thermal power plant is a plant for producing electric energy by using coal, petroleum and natural gas as fuel, and the basic production process is as follows: the fuel burns in the boiler to heat water to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure drives the steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives the generator to rotate, the mechanical energy is converted into electric energy, the cooling tower is a device which uses water as a circulating coolant, absorbs heat from a system and discharges the heat into the atmosphere to reduce the water temperature, and the cooling tower needs to be lifted in the using and installing process.
Through retrieval, the utility model patent with the publication number of CN207957618U discloses a hoisting device of a closed cooling tower, a rubber protection pad in the hoisting device and a damping spring uniformly arranged in the lower end of the rubber protection pad can play a good role in protecting and buffering the cooling tower, the upper end surface of the hoisting device is uniformly and symmetrically provided with a fixed protection device, a screwing handle in the fixed protection device can firmly stabilize the cooling tower on the upper end surface of the hoisting device by using a fixed rubber disc, and the cooling tower is prevented from slipping in the process of hoisting and carrying the cooling tower.
In the scheme, the lifting hook is used for directly lifting the lifting tower, the lifting connection mode is direct and single, the lifting tower and the lifting hook cannot be well prevented from being separated, and the safety is poor.
Disclosure of Invention
The utility model aims to provide a lifting device for construction of a steam turbine room and a cooling tower of a thermal power plant, which is characterized in that a lower fastening chain and an upper fastening chain are respectively coiled on the bottom and the top of the cooling tower by one circle, and are fixed in slots of the corresponding lower fastening chain and upper fastening chain by lock hook blocks, so that the fastening connection of the lower fastening chain and the upper fastening chain with the cooling tower is realized, the lower fastening chain and the upper fastening chain are connected together by a plurality of support chains and arc chains which are equidistantly arranged, the stability of a lifting reinforcement chain is improved, and the top of the cooling tower and the lifting reinforcement chain are simultaneously lifted by a branch lifting hook and a main lifting hook respectively, so that the falling off of the cooling tower caused by a single lifting mode is avoided, and the lifting safety of the cooling tower is improved, so as to solve the problems in the background technology.
The utility model can be realized by the following technical scheme: the lifting device for construction of the steam turbine room and the cooling tower of the thermal power plant comprises a lifting frame, wherein a supporting arm is rotatably arranged at the top of the lifting frame, a lifting seat is arranged on the surface of a telescopic arm of the supporting arm, a lifting steel rope for lifting the cooling tower is arranged in the lifting seat, a lifting reinforcement chain is sleeved and arranged outside the cooling tower, and the tail ends of the lifting steel rope are respectively connected with a branch lifting hook for lifting the cooling tower and a main lifting hook for lifting the lifting reinforcement chain;
the lifting reinforcement chain comprises an upper fastening chain and a lower fastening chain, the upper fastening chain and the lower fastening chain are respectively used for assisting in fixing the top and the bottom of the cooling tower, a plurality of support chains and arc-shaped chains which are arranged at equal intervals are arranged between the lower fastening chain and the upper fastening chain, a lifting chain which is connected with a main lifting hook in a hanging mode is arranged on the top surface of the upper fastening chain, and a locking hook block is arranged at the tail end of the lower fastening chain.
The utility model further technically improves that: the end surface of the lock hook block is provided with an entering groove for penetrating through the lower fastening chain lock catch, the inner wall surface of the lock hook block is rotatably provided with a rotating pressing block for blocking the entering groove, and the surface of the rotating pressing block and the inner wall surface of the lock hook block are provided with a pressure spring.
The utility model further technically improves that: the telescopic end of the lifting frame is hinged with a hydraulic cylinder, and the pushing end of the hydraulic cylinder is hinged with a fixed arm of the supporting arm.
The utility model further technically improves that: the rust removing seat is arranged on the bottom surface of the lifting seat, a winding rod which is driven by a servo motor and used for winding the lifting steel rope is arranged in the lifting seat, and a rope groove for the lifting steel rope to pass through is formed in the bottom surface of the lifting seat.
The utility model further technically improves that: the rust removing device is characterized in that two rust removing rollers for removing rust on the surface of the lifting steel rope are arranged in the rust removing seat, the surface of the rust removing rollers is in contact with the outer surface of the lifting steel rope, and a first moving seat and a second moving seat which move mutually are arranged in the rust removing seat.
The utility model further technically improves that: finger cylinders are mounted on one side surface of the first moving seat and an inner cavity of the second moving seat, two positioning seats are slidably mounted on the surface of each finger cylinder, and a moving groove for the positioning seats to slidably pass through is formed in the other side surface of the first moving seat.
The utility model further technically improves that: the inner side surface of the positioning seat is rotatably provided with a key shaft block, and the end part of the rust removing roller is provided with a key shaft sleeve which is in plug-in fit with the movement groove.
The utility model further technically improves that: the inner cavity of the rust removing seat is provided with a linear cylinder for pushing the second moving seat to move, one side surface of the second moving seat is provided with a first guide rod, one side of the first moving seat adjacent to the moving groove is provided with a second guide rod, the surface of the first guide rod is provided with a first rack, one side of the first rack is connected with a gear in a meshed manner, the surface of the second guide rod is provided with a second rack, one end of the gear is meshed with the second rack, and the inner part of the rust removing seat is provided with a limiting sleeve which is in limiting sliding connection with the first guide rod and the second guide rod.
Compared with the prior art, the utility model has the following beneficial effects:
1. the lower fastening chain and the upper fastening chain are respectively coiled on the bottom and the top of the cooling tower, and are fixed in corresponding slotted holes of the lower fastening chain and the upper fastening chain by utilizing the lock hook blocks, so that the fastening connection of the lower fastening chain and the upper fastening chain with the cooling tower is realized, the lower fastening chain and the upper fastening chain are connected together by a plurality of support chains and arc chains which are equidistantly arranged, the stability of the lifting reinforcement chain is improved, the top of the cooling tower and the lifting reinforcement chain are respectively lifted by utilizing the branch lifting hook and the main lifting hook, the falling of the cooling tower caused by a single lifting mode is avoided, and the lifting safety of the cooling tower is improved;
2. the second motion seat is pushed by the linear cylinder to move, the first motion seat is driven by the second guide rod to be close to the second motion seat by the meshing of the first gear and the second gear, the two rust removing rollers are in close contact with the outer surface of the lifting steel rope, the rust removing and polishing are realized when the lifting steel rope is wound and lifted, rust is removed, the service life of the lifting steel rope is prolonged, the two positioning seats are driven by the finger cylinder to be far away from each other, the positioning seats move in the motion groove, the key shaft block falls off from the key shaft sleeve, and at the moment, the rust removing rollers and the two positioning seats lose installation restriction, so that the replacement operation of the rust removing rollers is convenient.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;
FIG. 3 is a schematic perspective view of the upper and lower fastener chains of the present utility model;
FIG. 4 is a schematic view of the structural connection of the lower fastener chain and the latch hook block of the present utility model;
fig. 5 is a schematic diagram showing structural connection of the hanger bracket and the rust removing bracket according to the present utility model;
fig. 6 is a schematic view of the installation structure of the rust removing roller of the present utility model;
fig. 7 is a schematic diagram showing structural connection between the positioning seat and the derusting roller.
In the figure: 1. a lifting frame; 2. a support arm; 3. a hydraulic cylinder; 4. a lifting seat; 5. a support chain; 6. a rust removing seat; 7. hoisting the steel rope; 8. a branch hook; 9. a main hook; 10. a tightening chain is arranged; 11. lifting a zipper; 12. an arc-shaped chain; 13. a lower fastener chain; 14. a latch hook block; 15. entering a groove; 16. rotating the pressing block; 17. a pressure spring; 18. a winding rod; 19. rope grooves; 20. a rust removing roller; 21. a first motion seat; 22. a finger cylinder; 23. a movement groove; 24. a positioning seat; 25. a second motion seat; 26. a first guide rod; 27. a second guide rod; 28. a straight line cylinder; 29. a gear; 30. a first rack; 31. a second rack; 32. a limit sleeve; 33. a key shaft block; 34. and a key shaft sleeve.
Detailed Description
In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1-7, the utility model provides a lifting device for constructing a steam turbine room and a cooling tower of a thermal power plant, which comprises a lifting frame 1, wherein a supporting arm 2 is rotatably arranged at the top of the lifting frame 1, a lifting seat 4 is arranged on the surface of a telescopic arm of the supporting arm 2, a lifting steel rope 7 for lifting the cooling tower is arranged in the lifting seat 4, a lifting reinforcement chain is sleeved outside the cooling tower, the tail end of the lifting steel rope 7 is respectively connected with a branch lifting hook 8 for lifting the cooling tower and a main lifting hook 9 for lifting the lifting reinforcement chain, the lifting reinforcement chain comprises an upper fastening chain 10 and a lower fastening chain 13, the upper fastening chain 10 and the lower fastening chain 13 are respectively used for auxiliary fixing the top and the bottom of the cooling tower, a plurality of support chains 5 and arc-shaped chains 12 which are equidistantly arranged are arranged between the lower fastening chain 13 and the upper fastening chain 10, the top surface of the upper fastening chain 10 is provided with a lifting chain 11 which is in suspension connection with the main lifting hook 9, the tail end of the lower fastening chain 13 is provided with a locking hook block 14, when the cooling tower of the steam turbine room is lifted, the lower fastening chain 13 and the upper fastening chain 10 are respectively coiled on the bottom and the top of the cooling tower by utilizing the external installation of the lifting reinforcement chain to the cooling tower, and are fixed in the corresponding slots of the lower fastening chain 13 and the upper fastening chain 10 by utilizing the locking hook block 14, the fastening connection of the lower fastening chain 13 and the upper fastening chain 10 with the cooling tower is realized, the lower fastening chain 13 and the upper fastening chain 10 are connected together by a plurality of support chains 5 and arc chains 12 which are equidistantly arranged, the stability of the lifting reinforcement chain is increased, the top of the cooling tower and the lifting reinforcement chain are simultaneously lifted by utilizing the branch lifting hooks 8 and the main lifting hook 9 respectively, the falling off of the cooling tower caused by a single lifting mode is avoided, and the safety of lifting the cooling tower is improved.
An entering groove 15 for penetrating through the lock catch of the lower fastening chain 13 is formed in the end surface of the lock hook block 14, a rotating pressing block 16 for blocking the entering groove 15 is rotatably arranged on the inner wall surface of the lock hook block 14, a pressure spring 17 is arranged on the surface of the rotating pressing block 16 and the inner wall surface of the lock hook block 14, when the lock hook block 14 is installed with the corresponding lower fastening chain 13 and the upper fastening chain 10, the lock catch on the lock hook block 14 is aligned with the lock catch on the lower fastening chain 13, the entering groove 15 is buckled into the lock catch, the lock catch presses the rotating pressing block 16, the pressure spring 17 is extruded by the rotating pressing block 16, so that the pressure spring 17 elastically deforms, then the lock catch enters the lock hook block 14, the pressure spring 17 is restored to enable the rotating pressing block 16 to block the entering groove 15, the cooling tower and the lower fastening chain 13 are installed through the connection of the lock hook block 14 and the lower fastening chain 13, and the upper fastening chain 10 and the cooling tower are installed in the same mode, the top and the bottom of the cooling tower are fixed, and subsequent lifting operation of the cooling tower is facilitated.
The telescopic end of the lifting frame 1 is hinged with a hydraulic cylinder 3, the pushing end of the hydraulic cylinder 3 is hinged with a fixed arm of the supporting arm 2, and the supporting arm 2 and the lifting frame 1 are rotated by telescopic pushing of the hydraulic cylinder 3, so that the lifting height of the cooling tower is further improved.
The rust removing seat 6 is arranged on the bottom surface of the lifting seat 4, a winding rod 18 which is driven by a servo motor and used for winding the lifting steel rope 7 is arranged in the lifting seat 4, a rope groove 19 used for the lifting steel rope 7 to pass through is arranged on the bottom surface of the lifting seat 4, and the lifting steel rope 7 is wound and recovered by the winding rod 18, so that the lifting of the cooling tower is realized.
The inside of the rust removing seat 6 is provided with two rust removing rollers 20 for removing rust on the surface of the lifting steel rope 7, the surface of the rust removing rollers 20 is in contact with the outer surface of the lifting steel rope 7, the inside of the rust removing seat 6 is provided with a first moving seat 21 and a second moving seat 25 which move mutually, and in the process of winding and recovering the lifting steel rope 7, the first moving seat 21 and the second moving seat 25 which move mutually are close to each other, so that the rust removing rollers 20 are in contact with the outer surface of the lifting steel rope 7, and rust removing work on the outer surface of the lifting steel rope 7 is realized.
A finger cylinder 22 is arranged on one side surface of the first motion seat 21 and the inner cavity of the second motion seat 25, two positioning seats 24 are slidably arranged on the surface of each finger cylinder 22, and a motion groove 23 for allowing the positioning seat 24 to slidably pass is formed in the other side surface of the first motion seat 21; the key shaft block 33 is rotatably arranged on the inner side surface of the positioning seat 24, the end part of the rust removing roller 20 is provided with the key shaft sleeve 34 which is in plug-in fit with the movement groove 23, when the rust removing roller 20 needs to be replaced, the finger cylinder 22 is in an opened assembly state, the two positioning seats 24 are driven by the finger cylinder 22 to be far away from each other, the positioning seats 24 move in the movement groove 23, the key shaft block 33 falls off from the key shaft sleeve 34, at the moment, the rust removing roller 20 and the two positioning seats 24 lose the installation limit, the replacement operation of the rust removing roller 20 is convenient, and the next rust removing work of the hoisting steel rope 7 is ensured.
The inner cavity of the rust removing seat 6 is provided with a linear cylinder 28 for pushing the second moving seat 25 to move, one side surface of the second moving seat 25 is provided with a first guide rod 26, one side, adjacent to the moving groove 23, of the surface of the first moving seat 21 is provided with a second guide rod 27, the surface of the first guide rod 26 is provided with a first rack 30, one side of the first rack 30 is connected with a gear 29 in a meshed manner, the surface of the second guide rod 27 is provided with a second rack 31, one end of the gear 29 is meshed with the second rack 31, the inside of the rust removing seat 6 is provided with a limiting sleeve 32 which is in limiting sliding connection with the first guide rod 26 and the second guide rod 27, when the rust removing steel rope 7 is controlled to be removed, the linear cylinder 28 pushes the second guide rod 25 to move and drives the first guide rod 26 and the first rack 30 to synchronously move, the first rack 30 is meshed with the gear 29, the second guide rod 31 is driven by the gear 29, the second guide rod 27 drives the first guide rod 21 to be close to the second moving seat 25, the second guide rod 27 and the first guide rod 26 is supported in an auxiliary manner through the limiting sleeve 32, at the moment, the two rust removing rollers 20 are in tight contact with the outer surface of the lifting steel rope 7, the lifting rope 7 is removed, and the service life of the lifting rope is prolonged at the same time, and the lifting rope is used for polishing and removed.
When the lifting device is used, the lower fastening chain 13 and the upper fastening chain 10 are respectively coiled on the bottom and the top of the cooling tower, and are fixed in the slotted holes of the corresponding lower fastening chain 13 and upper fastening chain 10 by the lock hook blocks 14, so that the fastening connection of the lower fastening chain 13 and the upper fastening chain 10 with the cooling tower is realized, the lower fastening chain 13 and the upper fastening chain 10 are connected together by the plurality of support chains 5 and arc-shaped chains 12 which are equidistantly arranged, the stability of the lifting reinforcement chain is improved, and the lifting reinforcement chain is simultaneously lifted on the top of the cooling tower and the lifting reinforcement chain by the branch lifting hooks 8 and the main lifting hooks 9 respectively, so that the falling off of the cooling tower caused by a single lifting mode is avoided, and the lifting safety of the cooling tower is improved;
the second motion seat 25 is pushed to move by the linear cylinder 28, under the meshing of the first gear 30, the gear 29 and the second gear 31, the second guide rod 27 drives the first motion seat 21 and the second motion seat 25 to be close to each other, the two rust removing rollers 20 are in close contact with the outer surface of the lifting steel rope 7, the lifting steel rope 7 is subjected to rust removing and polishing while being wound and lifted, rust is removed, the service life of the lifting steel rope 7 is prolonged, the two positioning seats 24 are driven by the finger cylinder 22 to be far away from each other, the key shaft blocks 33 fall off from the key shaft sleeves 34 while the positioning seats 24 move in the motion groove 23, and at the moment, the rust removing rollers 20 and the two positioning seats 24 lose installation restriction, so that the replacement operation of the rust removing rollers 20 is facilitated.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.
Claims (8)
1. A hoisting accessory for steam turbine room, cooling tower construction of thermal power plant, including crane (1), support arm (2) are installed in the rotation of the top of crane (1), telescopic boom surface of support arm (2) installs lifting seat (4), the inside of lifting seat (4) is provided with and is used for lifting by crane cooling tower's lifting steel cable (7), its characterized in that: the outer part of the cooling tower is sleeved with a lifting reinforcement chain, and the tail end of the lifting steel rope (7) is respectively connected with a branch lifting hook (8) for lifting the cooling tower and a main lifting hook (9) for lifting the lifting reinforcement chain;
lifting reinforcement chain includes fastening chain (10) and lower fastening chain (13), it is used for the top and the bottom auxiliary fixation to cooling tower respectively to go up fastening chain (10) and lower fastening chain (13), be provided with support chain (5) and arc chain (12) that a plurality of equidistance set up between lower fastening chain (13) and last fastening chain (10), install on the top surface of going up fastening chain (10) and hang the zip fastener (11) of being connected with main lifting hook (9), the end of lower fastening chain (13) is provided with latch hook block (14).
2. Hoisting device for construction of steam turbine room and cooling tower of thermal power plant according to claim 1, characterized in that the end surface of the lock hook block (14) is provided with an entry groove (15) for passing through the lock catch of the lower fastening chain (13), and the inner wall surface of the lock hook block (14) is rotatably provided with a rotating press block (16) for blocking the entry groove (15), and the surface of the rotating press block (16) and the inner wall surface of the lock hook block (14) are provided with a pressure spring (17).
3. Hoisting device for construction of steam turbine room and cooling tower of thermal power plant according to claim 1, characterized in that the telescopic end of the lifting frame (1) is hinged with a hydraulic cylinder (3), and the pushing end of the hydraulic cylinder (3) is hinged with a fixed arm of the supporting arm (2).
4. Hoisting device for construction of steam turbine room and cooling tower of thermal power plant according to claim 1, characterized in that the bottom surface of the hoisting base (4) is provided with a rust removing base (6), and the interior of the hoisting base (4) is provided with a winding rod (18) driven by a servo motor for winding up the hoisting steel rope (7), and the bottom surface of the hoisting base (4) is provided with a rope groove (19) for passing through the hoisting steel rope (7).
5. Hoisting device for construction of steam turbine room and cooling tower of thermal power plant according to claim 4, characterized in that two rust removing rollers (20) for removing rust on the surface of hoisting steel rope (7) are installed in the rust removing seat (6), the surface of the rust removing rollers (20) is contacted with the outer surface of the hoisting steel rope (7), and a first moving seat (21) and a second moving seat (25) which move mutually are installed in the rust removing seat (6).
6. The lifting device for construction of a steam turbine room and a cooling tower of a thermal power plant according to claim 5, wherein finger cylinders (22) are arranged on one side surface of the first moving seat (21) and an inner cavity of the second moving seat (25), two positioning seats (24) are slidably arranged on the surface of each finger cylinder (22), and a moving groove (23) through which the positioning seats (24) slidably pass is formed in the other side surface of the first moving seat (21).
7. Hoisting device for construction of steam turbine room and cooling tower of thermal power plant according to claim 6, characterized in that the key shaft block (33) is rotatably installed on the inner side surface of the positioning seat (24), and the end part of the rust removing roller (20) is provided with a key shaft sleeve (34) in plug-in fit with the moving groove (23).
8. The lifting device for construction of a steam turbine room and a cooling tower of a thermal power plant according to claim 6, wherein a linear cylinder (28) for pushing a second moving seat (25) to move is arranged in an inner cavity of the derusting seat (6), a first guide rod (26) is arranged on one side surface of the second moving seat (25), a second guide rod (27) is arranged on one side, adjacent to the moving groove (23), of the surface of the first moving seat (21), a first rack (30) is arranged on the surface of the first guide rod (26), a gear (29) is connected to one side of the first rack (30) in a meshing manner, a second rack (31) is arranged on the surface of the second guide rod (27), one end of the gear (29) is meshed with the second rack (31), and a limiting sleeve (32) which is in limiting sliding with the first guide rod (26) and the second guide rod (27) is arranged in the interior of the derusting seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310717845.1A CN116750662A (en) | 2023-06-16 | 2023-06-16 | Hoisting device for construction of steam turbine room and cooling tower of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310717845.1A CN116750662A (en) | 2023-06-16 | 2023-06-16 | Hoisting device for construction of steam turbine room and cooling tower of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116750662A true CN116750662A (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310717845.1A Pending CN116750662A (en) | 2023-06-16 | 2023-06-16 | Hoisting device for construction of steam turbine room and cooling tower of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116750662A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117775960A (en) * | 2024-02-28 | 2024-03-29 | 临沂大学 | Flue gas desulfurization tower installation lifting device |
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2023
- 2023-06-16 CN CN202310717845.1A patent/CN116750662A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117775960A (en) * | 2024-02-28 | 2024-03-29 | 临沂大学 | Flue gas desulfurization tower installation lifting device |
| CN117775960B (en) * | 2024-02-28 | 2024-05-03 | 临沂大学 | Flue gas desulfurization tower installation lifting device |
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