CN210764092U - Lifting tool for generator brake - Google Patents
Lifting tool for generator brake Download PDFInfo
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- CN210764092U CN210764092U CN201921420408.9U CN201921420408U CN210764092U CN 210764092 U CN210764092 U CN 210764092U CN 201921420408 U CN201921420408 U CN 201921420408U CN 210764092 U CN210764092 U CN 210764092U
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- chain block
- balance
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- balancing
- upright post
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- 230000005484 gravity Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model discloses a generator brake lifting tool, which comprises a moving device, a supporting device, a lifting device and a counterweight device; the supporting device is arranged on the moving device and comprises a supporting upright post and a chain block supporting frame, and the chain block supporting frame is arranged at the top end of the supporting upright post; the lifting device comprises a plug, a balance rod, a lifting chain block and a balance chain block, wherein the plug is connected with the front end of the balance rod, the balance rod is lifted at the middle part by the lifting chain block arranged on a chain block supporting frame, the balance chain block is hung at the tail end of the balance rod, the counterweight device is arranged on the moving device, and the counterweight device is arranged below the balance chain block. The utility model discloses simple structure, equipment easy and simple to handle, use safe and reliable can satisfy the complicated route stopper hoist and mount task in narrow and small space.
Description
Technical Field
The utility model relates to an equipment hoist and mount field further relates to a generator brake lifting device.
Background
When the generator brake requires maintenance, the generator brake is taken out from the installation position, and then reinstalled after the maintenance is finished, because the brake is limited by the rotation of the generator and the elevation of the foundation buttress of the brake, the brake must be lifted by 5-10 mm firstly, horizontally moved to the outside of the buttress along the perimeter of the buttress, then the elevation is lowered by 30-50 mm, the brake can horizontally move 1000 mm along the radial direction of the generator, and then vertically dropped by 1500 mm to reach the maintenance platform for maintenance, the single brake is heavy by 210KG, the whole working process cannot be completed by a general tool once, the original working mode requires a person to drill the installation position of the brake, the brake is pedaled down by feet or ropes when lying on the side, the installation buttress is dropped to a special sliding platform, the brake is radially moved by 1000 mm along the generator shaft, then the brake is hung down to the maintenance platform by a chain block which is temporarily erected, the elevation required by, the hoisting space is only 1800 mm, potential safety hazards exist in the whole brake hoisting work, the working efficiency is extremely low, personnel are easy to fatigue, personal injury is large, and the brake hoisting becomes the technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a generator brake lifting device satisfies 200 megawatt half umbrella formula hydraulic generator set stopper hoist and mount needs, can once only accomplish promotion, horizontal circumferencial direction translation, whereabouts, rotor radial horizontal migration, fall the whole hoist and mount work of overhauing the platform at stopper hoist and mount in-process.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a generator brake lifting tool comprises a moving device, a supporting device, a lifting device and a counterweight device;
the supporting device is arranged on the moving device and comprises a supporting upright post and a chain block supporting frame, and the chain block supporting frame is arranged at the top end of the supporting upright post;
the hoisting device comprises a plug, a balancing rod, a hoisting chain block and a balancing chain block, the plug is connected with the front end of the balancing rod, the balancing rod is hoisted at the middle part by the hoisting chain block arranged on a chain block supporting frame, the balancing chain block is hung at the tail end of the balancing rod,
the counterweight device is arranged on the moving device and is arranged below the balancing chain block.
The moving device comprises a universal caster, a moving frame and an upright post connecting plate, and the universal caster is arranged at the bottom of the moving frame; the upright post connecting plate is arranged on the movable frame and is arranged by offsetting the center of the movable frame; the supporting upright posts are connected with upright post connecting plates.
The plug is provided with a hook groove matched with the brake.
The tail end of the balancing rod is provided with a handle.
The center line of the handle is intersected with the center line of the balancing rod and is positioned on the same plane; the handle and the hanging node of the balance chain block form an included angle.
The balance rod hoisting and balancing adopt flexible connection, and the center of gravity of the balance rod is on the center of gravity line of the mobile device.
The counterweight device consists of a plurality of counterweight blocks arranged in a counterweight cabin of the mobile device, and the total weight of the counterweight blocks is greater than that of the brake.
The chain block support frame is provided with a chain guide wheel.
A method of using a generator brake lifting tool, comprising the steps of:
the method comprises the steps of operating a lifting chain block and a balance chain block, keeping a balance rod horizontal, pushing a moving device to enable a plug to be close to a brake after the balance rod elevation is close to the brake installation elevation, operating the balance chain block to enable the plug to be hung on the brake, operating the balance chain block by utilizing the lever principle to enable the plug to lift the brake to be separated from an installation foundation, pushing the moving device to move to another position, operating the lifting chain block and the balance chain block to enable the brake elevation to be lowered, and operating the balance chain block to enable the plug to fall the brake to a preset position.
Compared with the prior art, the utility model discloses following technological effect has:
the utility model discloses constitute by mobile device, strutting arrangement, hoist device, counter weight device, the instrument utilizes lever principle, has satisfied the stopper and has lifted by crane the problem that highly is greater than the instrument height, promotes, balanced adoption flexonics, fine again satisfied the stopper at the in-process requirement to elevation position displacement constantly changing that lifts by crane. The tool can complete the whole process of inserting, lifting, translating, falling and placing the brake from the working position at one time, and the personnel can be completed by 8 to 9 workers and reduced to 2 to 3 workers. The utility model discloses simple structure, equipment easy and simple to handle, use safe and reliable can satisfy the complicated route stopper hoist and mount task in narrow and small space.
Furthermore, the tool adopts a chain block to lift and drop and balance the balance weight, the flexible connection can adjust the azimuth and elevation of the brake in the lifting and dropping process, the space limitation operation requirement is met,
further, the total height of the tool is 1800 mm, the requirement of maintenance space is met, the brake is horizontally lifted to the highest point of the tool by matching the lifting and balancing hand-operated block, the chain of the balancing hand-operated block is shortened, the plug end of the balancing rod can be continuously lifted, and the limitation of lifting space is broken through.
Furthermore, the handle at the tail part of the balancing rod is convenient for elevation operation in the lifting process of the brake, the lifting accuracy of the brake is ensured, and the maintenance efficiency is improved.
Drawings
Fig. 1 is a schematic view of a hoisting tool of a generator brake of the present invention;
wherein: the hand chain block comprises a universal caster 1, a moving frame 2, an upright post connecting plate 3, a supporting upright post 4, a plug 5, a balancing pole 6, a hand chain block supporting frame 7, a hand chain block lifting 8, a handle 9, a balancing hand chain block 10, a balancing weight block 11 and a balancing weight cabin 12.
Detailed Description
The following detailed description of the present invention is provided in conjunction with fig. 1 and the embodiments, but in the description of the present invention, it should be understood that the embodiments described in the present invention are exemplary, and the specific parameters appearing in the description are only for convenience of description of the present invention, but are not to be construed as limitations of the present invention.
As shown in fig. 1, the utility model relates to a generator brake lifting device, including mobile device, strutting arrangement, hoist device and counter weight device. The specific structure of each device is as follows:
the moving device comprises universal casters 1, a moving frame 2 and an upright post connecting plate 3, wherein the four universal casters 1 are arranged below the moving frame 2 to meet the requirement of moving the tool in the horizontal direction; the column connecting plate 3 is placed on the moving frame 2 and is offset from the center. The movable frame is provided with a column connecting plate 3, the column connecting plate 3 is connected with a support column 4 through a connecting bolt, and the movable frame 2 is further provided with a counterweight cabin for placing a counterweight block.
The supporting device comprises a supporting upright post 4 and a chain block supporting frame 7, the supporting upright post 4 is fixed on the movable frame 2 through an upright post connecting plate 3, and the chain block supporting frame 7 is arranged at the top end of the supporting upright post 4. The supporting upright post 4 is connected with the movable frame 2 through four connecting bolts, and the chain block supporting frame 7 is arranged at the top end of the supporting upright post 4.
The hoisting device comprises a plug 5, a balance rod 6, a chain block support frame 7, a hoisting chain block 8, a handle 9 and a balance chain block 10, wherein the plug 5 is connected with the balance rod 6, the balance rod 6 is hoisted in the middle by the hoisting chain block 8 arranged on the chain block support frame 7, and the balance chain block 10 is hung at the tail end of the balance rod 6 and staggered by 90 degrees with the handle 9 arranged in the horizontal direction of the tail end of the balance rod.
Preferably, the plug 5 is provided with a hook groove matched with the brake, and the brake is not easy to fall off in hoisting. One end of a lifting chain block 8 is hung on a chain block supporting frame 7, the other end of the lifting chain block is hung in the middle of a balancing rod 6 through a guide wheel on the chain block supporting frame 7, a plug 5 is arranged at the front end of the balancing rod 6, one end of a balancing chain block 10 is hung at the rear end of the balancing rod 6, the other end of the lifting chain block is hung on a balancing weight 11 arranged in a balancing weight bin 12, and a handle 9 is arranged at the rear end of the balancing rod 6 and forms a 90-degree included angle with a hanging node of the balancing chain block.
The balance rod 6 is in flexible connection with the balance, and the height and direction of the brake can be adjusted by adjusting the length of the chain block. The center of gravity of the balance bar 6 is on the gravity line of the mobile device.
The counterweight device is composed of a plurality of counterweight blocks 11 arranged in a counterweight cabin 12 of the mobile device, and the total weight of the counterweight blocks is larger than that of the brake.
The moving device and the supporting device are designed eccentrically, so that the balance rod is on the gravity center line of the tool, the positions of the balance rod and the supporting upright post are not intersected, and the total height of the tool is not more than 1800 mm.
The chain block support frame 7 is provided with a chain guide wheel to change the stress direction of the hoisting chain block 8. The hoisting chain block 8 and the balancing chain block 10 are 1 ton chain blocks.
When generator brake need overhaul, the instrument need move into according to mobile device, strutting arrangement, hoist device, counter weight device and overhauls the platform because of overhauing the passageway restriction to assembling at the maintenance platform, examining each parts and connecting intact, no bite, balancing weight is 1.3 times of brake weight.
The utility model discloses a use method does:
one person operates the lifting chain block, one person operates the balancing chain block, the balancing rod is kept basically horizontal, when the elevation of the balance rod is close to the installation elevation of the brake, the plug is close to the brake by the pushing tool, the plug is connected with the brake by operating the balance chain block and the handle, the balance chain block is operated by utilizing the lever principle, the plug is lifted by 5-10 mm, the brake is separated from the installation foundation, the pushing tool moves the brake 600 mm along the circumferential direction of the installation point and leaves the installation foundation position, then the lifting and balance chain block is operated, the elevation of the brake is lowered by about 100 mm, the elevation limit of a generator rotor is avoided, the pushing tool moves 1000 mm along the radial direction of the generator shaft, the brake is completely separated from the installation foundation limit, the brake is dropped to the maintenance platform by operating the lifting and balance chain block, and the reinstallation process of the repaired brake is opposite to the. The balancing chain block is operated to pay attention to the fact that the balancing weight cannot be pulled up.
The utility model relates to a generator brake lifting device, constitute including mobile device, strutting arrangement, hoist device, counter weight device, strutting arrangement arranges in on the mobile device, hoist device is lifted by the chain block that lifts by crane on arranging strutting arrangement in, and in the hoist device plug was arranged in to the stopper when hoist and mount, the balancing pole end was provided with balanced chain block adjustment plug height position, and in the counter weight storehouse was arranged in to the balancing weight, the balanced counter weight function of lifting by crane in the instrument, lift by crane chain block, balanced chain block accomplished the stopper with the cooperation of removal chassis and hoisted, remove work.
Wherein, mobile device, strutting arrangement, hoist device, counter weight device constitute, need assemble the debugging in the spot, and the instrument utilizes lever principle, has satisfied the stopper and has lifted by crane the problem that highly is greater than the instrument height, promotes, balanced adoption flexonics, fine again satisfied the stopper lift by crane the in-process to the constantly changeable requirement of elevation position displacement, the utility model discloses simple structure, equipment easy and simple to handle, use safe and reliable can satisfy narrow and small space complicated path brake hoist and mount task.
Above, only be the preferred embodiment of the present invention, not limited to the implementation scope of the present invention, all the equivalent changes and modifications made according to the content of the scope of the present invention should be the technical scope of the present invention.
Claims (8)
1. A generator brake lifting device which characterized in that: comprises a moving device, a supporting device, a hoisting device and a counterweight device;
the supporting device is arranged on the moving device and comprises a supporting upright post (4) and a chain block supporting frame (7), and the chain block supporting frame (7) is arranged at the top end of the supporting upright post (4);
the hoisting device comprises a plug (5), a balancing rod (6), a hoisting chain block (8) and a balancing chain block (10), wherein the plug (5) is connected with the front end of the balancing rod (6), the balancing rod (6) is hoisted in the middle by the hoisting chain block (8) arranged on a chain block support frame (7), and the balancing chain block (10) is connected with the tail end of the balancing rod (6);
the counterweight device is arranged on the moving device and is arranged below the balance chain block (10).
2. Generator brake lifting tool according to claim 1, characterized in that: the moving device comprises a universal caster (1), a moving frame (2) and an upright post connecting plate (3), wherein the universal caster (1) is arranged at the bottom of the moving frame (2); the upright post connecting plate (3) is arranged on the movable frame (2) and is arranged in the center of the movable frame (2) in an offset manner; the supporting upright post (4) is connected with the upright post connecting plate (3).
3. Generator brake lifting tool according to claim 1, characterized in that: the plug (5) is provided with a hook groove matched with the brake.
4. Generator brake lifting tool according to claim 1, characterized in that: the tail end of the balancing rod (6) is provided with a handle (9).
5. Generator brake lifting tool according to claim 4, wherein: the central line of the handle (9) is intersected with the central line of the balancing rod (6) and is positioned on the same plane; the handle (9) and the hanging node of the balance chain block (10) form an included angle of (90 degrees).
6. Generator brake lifting tool according to claim 1, characterized in that: the balance rod (6) is flexibly connected with the balance rod in a hoisting mode, and the gravity center point of the balance rod (6) is located on the gravity center line of the mobile device.
7. Generator brake lifting tool according to claim 1, characterized in that: the counterweight device consists of a plurality of counterweight blocks (11) arranged in a counterweight cabin (12) of the mobile device, and the total weight of the counterweight blocks is larger than that of the brake.
8. Generator brake lifting tool according to claim 1, characterized in that: the chain block support frame (7) is provided with a chain guide wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921420408.9U CN210764092U (en) | 2019-08-28 | 2019-08-28 | Lifting tool for generator brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921420408.9U CN210764092U (en) | 2019-08-28 | 2019-08-28 | Lifting tool for generator brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210764092U true CN210764092U (en) | 2020-06-16 |
Family
ID=71043158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921420408.9U Active CN210764092U (en) | 2019-08-28 | 2019-08-28 | Lifting tool for generator brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210764092U (en) |
-
2019
- 2019-08-28 CN CN201921420408.9U patent/CN210764092U/en active Active
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Effective date of registration: 20240511 Address after: 100032 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Patentee after: STATE GRID CORPORATION OF CHINA Country or region after: China Patentee after: State Grid Shaanxi Electric Power Co., Ltd. Ankang Hydropower Co. Patentee after: National Network (Xi'an) Environmental Protection Technology Center Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: STATE GRID CORPORATION OF CHINA Country or region before: China Patentee before: STATE GRID SHAANXI ELECTRIC POWER COMPANY ANKANG HYDROELECTRIC POWER GENERATION Co. |