CN211392616U - Special device for overhauling brake of hydraulic generator - Google Patents
Special device for overhauling brake of hydraulic generator Download PDFInfo
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- CN211392616U CN211392616U CN201922281382.0U CN201922281382U CN211392616U CN 211392616 U CN211392616 U CN 211392616U CN 201922281382 U CN201922281382 U CN 201922281382U CN 211392616 U CN211392616 U CN 211392616U
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- brake
- slide rail
- hydraulic generator
- overhauling
- stopper
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Abstract
The utility model provides a hydraulic generator brake overhauls isolated plant, relate to hydraulic generator maintenance field, the height of hydraulic generator brake is highly pressed close to through adjusting device, undertake partly weight when the brake has not yet been demolishd, conveniently dismantle work, can use device shift the stopper to the maintenance room after the brake is demolishd, then shift the stopper to the maintenance platform along the slide rail through the coaster, stopper weight is 200KG roughly, 4 people's interoperations at least when the manual work was demolishd in the past, use alone operation behind this device can accomplish dismantling and shift of stopper, still make things convenient for safety when having saved a large amount of manpowers, the maintenance that is fit for hydraulic generator is used widely.
Description
Technical Field
The utility model relates to a hydraulic generator maintenance field, especially a hydraulic generator brake overhauls isolated plant.
Background
The hydraulic generator set is generally provided with a generator rotor braking device, called a brake for short, which is an important component of the hydraulic generator and is mainly used for load shedding and braking of a generator rotor so as to ensure the safety and normal shutdown of the set; in order to ensure the reliability of the performance of the brake, the brake needs to be overhauled periodically, and the brake is arranged below the generator rotor and is close to the outer edge of the generator rotor, so that the space of the brake is limited in the overhauling process, and the brake is disassembled with certain difficulty.
At present, two methods are mainly adopted for repairing the brake; firstly, when the unit is maintained conventionally, the brake base connecting bolt is removed, and then the brake is moved out in a rolling bar and manual carrying mode; and secondly, when the unit is overhauled, the brake is directly lifted out of the pit by utilizing the hoisting equipment for overhauling.
The above maintenance method has the following defects: 1. the surface of other equipment is easily damaged when the brake is transported by using a rolling rod, potential safety hazards exist when the brake is transported by using manpower, a single brake generally has a weight of more than 200kg and can injure personnel, the brake is overhauled in the state, the overall efficiency is not high, and the personnel safety and the equipment potential safety hazards exist; 2. the brake is directly lifted out of the engine pit for maintenance, and the mode can be implemented only after the generator rotor and the above components are lifted out of the engine pit and limited by the maintenance state of the unit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a provide and change hydraulic generator stopper and overhaul isolated plant, can not hang out whole rotor when demolising hydraulic generator stopper, reduce the potential safety hazard that artifical transport brought.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the hydraulic generator brake overhauls isolated plant, it includes the coaster, coaster and the main slide rail sliding connection of below, main slide rail below is equipped with fixed connection's adjustable landing leg, adjustable landing leg and area brake universal wheel fixed connection, highly near the height that reaches hydraulic generator lower part stopper through adjustable landing leg adjusting device for the coaster supports the stopper bottom, and after the stopper demolishd the back and dropped to the device, the device accessible area brake universal wheel shifts the device to the maintenance room with the stopper together.
Foretell main slide rail is the one side open-ended cuboid of L type bounding wall besieged city, and the gyro wheel part of coaster and the bottom plate rolling contact of L type bounding wall.
Foretell main slide rail one side fixedly connected with vice slide rail, vice slide rail are two open-ended cuboids of two L type bounding walls and intermediate junction board constitution, and the stopper is demolishd and is shifted to the maintenance room after, and the coaster drives the stopper and removes along vice slide rail, shifts the stopper to the maintenance platform finally.
Foretell main slide rail and vice slide rail junction are equipped with the connecting plate that fixed connection used, the connecting plate is the foraminiferous rectangular shaped plate in both ends, be equipped with the perforation on the vertical bounding wall of main slide rail and vice slide rail junction, the hole at connecting plate both ends is just to the perforation on the vertical bounding wall, the perforation that the screw passed vertical bounding wall and connecting plate links to each other with outside nut, connect main slide rail and vice slide rail together fixedly through the connecting plate, can shift the transfer that realizes device high-speed motion and stopper together during the use.
The pulley structure is as follows: including being rectangular carriage by rectangular plate encloses, be equipped with the slip roller with the contact of main slide rail bottom plate in the carriage, the dead lever runs through carriage both sides and the slip roller wherein and fixes on the carriage through the nut, when the coaster moved on main slide rail and vice slide rail, the stopper on rotation drive upper portion of slip roller moved toward vice slide rail direction, when the dolly moved to vice slide rail end, the stopper just shifted out the coaster platform.
The adjustable supporting leg structure comprises: including four supporting legs with main slide rail below fixed connection, the supporting leg is microscler tubular structure, and the supporting leg below is equipped with adjusts the pole, adjusts pole and supporting leg and passes through threaded connection, adjusts the pole lower part and takes brake universal wheel fixed connection, and the screw-thread fit through adjusting pole and supporting leg can realize the altitude mixture control of device.
Foretell supporting leg lower extreme is equipped with the external screw thread with adjusting the pole department of linking to each other, and lock nut is connected with the supporting leg through this external screw thread, and the external screw thread of supporting leg is equipped with the opening, and it is to receive inward power when the opening outside, can inwards contract and paste the screw thread of tightly adjusting the pole.
The threaded hole of the locking nut is gradually reduced from top to bottom, and when the locking nut is matched with the lower part of the supporting leg in a threaded mode from bottom to top, the threaded hole is gradually reduced, the opening is gradually pressurized, so that the supporting leg is internally and closely attached to the adjusting rod thread, and the clamping function is achieved.
The utility model provides a pair of hydraulic generator stopper overhauls isolated plant, the height of hydraulic generator stopper is pressed close to through adjusting device's height, undertake partly weight when the stopper has not yet been demolishd, conveniently dismantle work, can use device shift the stopper to the maintenance room after the stopper is demolishd, then shift the stopper to the maintenance platform along the slide rail through the coaster, the approximate 200KG of stopper weight, at least 4 people interoperations when artifical demolishd in the past, use alone operation behind this device can accomplish dismantling and shift of stopper, still make things convenient for safety when having saved a large amount of manpowers, the maintenance that is fit for hydraulic generator is used widely.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention after the whole assembly;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic view of the construction of the sled;
FIG. 5 is an adjustment configuration of the adjustable leg;
fig. 6 is a schematic view of the belt brake in the embodiment.
In the figure: tackle 1, main slide rail 2, vice slide rail 3, connecting plate 4, adjustable landing leg 5, lock nut 6, area brake universal wheel 7, stopper 8, maintenance platform 9, carriage 11, sliding roller 12, dead lever 13, supporting leg 51, regulation pole 52, opening 53.
Detailed Description
As shown in figure 1, the special device for overhauling the brake of the hydraulic generator comprises a pulley 1, wherein the pulley 1 is in sliding connection with a main sliding rail 2 below the pulley 1, an adjustable supporting leg 5 fixedly connected is arranged below the main sliding rail 2, the adjustable supporting leg 5 is fixedly connected with a universal wheel 7 with a brake, the height of an adjusting device of the adjustable supporting leg 5 reaches the position near the height of the brake at the lower part of the hydraulic generator, the pulley 1 supports the bottom of the brake, and the device can transfer the device and the brake to a maintenance room together through the universal wheel 7 with the brake after the brake is detached and falls on the device.
As shown in fig. 1 and 2, the main slide rail 2 is a cuboid with an opening on one side of an L-shaped enclosing wall, and the roller part of the pulley 1 is in rolling contact with a bottom plate of the L-shaped enclosing wall.
As shown in fig. 1 and 2, an auxiliary slide rail 3 is fixedly connected to one side of the main slide rail 2, the auxiliary slide rail 3 is a cuboid with two open sides, which is composed of two L-shaped enclosing plates and a middle connecting plate, after the brake is removed and transferred to a maintenance room, the tackle 1 drives the brake to move along the auxiliary slide rail 3, and finally the brake is transferred to a maintenance platform.
As shown in fig. 3, a connecting plate 4 for fixed connection is arranged at the joint of the main slide rail 2 and the auxiliary slide rail 3, the connecting plate 4 is a long strip-shaped plate with holes at two ends, a through hole is arranged on a vertical enclosing plate at the joint of the main slide rail 2 and the auxiliary slide rail 3, the holes at two ends of the connecting plate 4 are right opposite to the through hole on the vertical enclosing plate, a screw passes through the through hole of the vertical enclosing plate and the connecting plate 4 to be connected with an external nut, the main slide rail 2 and the auxiliary slide rail 3 are connected and fixed together through the connecting plate 4, and the device can be transferred together to realize quick movement and transfer.
As shown in fig. 4, the pulley 1 has the following structure: including being rectangular carriage 11 by rectangular strip board encloses, be equipped with in the carriage 11 with the slide roll 12 of 2 bottom plate contacts of main slide rail, dead lever 13 runs through carriage 11 both sides and slide roll 12 wherein and fix on carriage 11 through the nut, when coaster 1 moves on main slide rail 2 and vice slide rail 3, the rotation of slide roll 12 drives the stopper on upper portion and moves toward 3 directions of vice slide rail, when the dolly moved to 3 terminal times of vice slide rail, the stopper just shifted out 1 platforms of coaster.
As shown in fig. 5, the adjustable leg 5 has the following structure: the device comprises four supporting legs 51 fixedly connected with the lower part of a main slide rail 2, wherein the supporting legs 51 are of a long tubular structure, an adjusting rod 52 is arranged below the supporting legs 51, the adjusting rod 52 is connected with the supporting legs 51 through threads, the lower part of the adjusting rod 52 is fixedly connected with a universal wheel 7 with a brake, and the height of the device can be adjusted through the thread matching of the adjusting rod 52 and the supporting legs 51.
As shown in figure 5, the connection part of the lower end of the supporting leg 51 and the adjusting rod 52 is provided with an external thread, the locking nut 6 is connected with the supporting leg 51 through the external thread, the external thread of the supporting leg 51 is provided with a gap 53, and when the external part of the gap 53 is subjected to an inward force, the thread which is tightly attached to the adjusting rod 52 can be inwardly contracted.
The above-mentioned screw hole of lock nut 6 is from last to diminishing gradually down, and when lock nut 6 was from supreme and the lower part screw thread cooperation of supporting leg 51 down, because the screw hole is drawn down gradually, opening 53 department receives inward pressure and is bigger and bigger for supporting leg 51 is inside more and more closely to adjust pole 52 screw, realizes the clamping function.
As shown in the embodiment in figure 6, when the device is used, the device is firstly combined under the hydraulic generator, the height of the device is adjusted to be close to the bottom of a brake 8 under the hydraulic generator by using an adjusting rod 52, a sliding roller 12 of a pulley 1 is opposite to the brake 8, the brake of a universal wheel 7 with the brake is locked, then the screw of the brake 8 is removed, the brake 8 falls on the device after the screw is completely removed, then the brake with the brake universal wheel 7 is released, the device and the brake 8 are integrally transferred to a maintenance room, then the auxiliary slide rail 3 is placed on a maintenance platform 9 which is opposite to the brake 8, the brake with the brake universal wheel 7 is locked, the pulley 1 is pushed to move towards the maintenance platform 9, at the same time, the rotation of the sliding roller 12 drives the brake 8 to move towards the front of the tackle 1, and when the tackle 1 moves to the maintenance platform of the brake 8, the brake 8 just moves out of the tackle 1.
Claims (8)
1. Hydroelectric generator stopper overhauls isolated plant, characterized by: the adjustable landing leg comprises a pulley (1), wherein the pulley (1) is in sliding connection with a main sliding rail (2) below the pulley (1), an adjustable landing leg (5) which is fixedly connected is arranged below the main sliding rail (2), and the adjustable landing leg (5) is fixedly connected with a universal wheel (7) with a brake.
2. The special device for overhauling the brake of the hydraulic generator according to claim 1, which is characterized in that: main slide rail (2) be the one side open-ended cuboid in L type bounding wall besieged city, the gyro wheel part of coaster (1) and the bottom plate rolling contact of L type bounding wall.
3. The special device for overhauling the brake of the hydraulic generator according to claim 1, which is characterized in that: the main slide rail (2) one side fixedly connected with vice slide rail (3), vice slide rail (3) are two open-ended cuboids that two L type bounding walls and intermediate junction board are constituteed.
4. The special device for overhauling a brake of a hydraulic generator according to claim 2, which is characterized in that: the main slide rail (2) and vice slide rail (3) junction be equipped with connecting plate (4) that fixed connection used, connecting plate (4) are the foraminiferous elongated plate in both ends, are equipped with the perforation on the vertical bounding wall of main slide rail (2) and vice slide rail (3) junction, the hole at connecting plate (4) both ends is just to the perforation on the vertical bounding wall, the perforation that the screw passed vertical bounding wall and connecting plate (4) links to each other with outside nut.
5. The special device for overhauling a brake of a hydraulic generator as claimed in claim 1, wherein the pulley (1) has a structure comprising: the device comprises a rectangular supporting frame (11) enclosed by a strip plate, sliding rollers (12) in contact with a bottom plate of a main sliding rail (2) are arranged in the supporting frame (11), and a fixing rod (13) penetrates through two sides of the supporting frame (11) and the sliding rollers (12) and is fixed on the supporting frame (11) through nuts.
6. The special overhaul device for the brake of the hydraulic generator according to claim 5, wherein the adjustable supporting legs (5) are structurally characterized in that: the device comprises four supporting legs (51) fixedly connected with the lower part of a main sliding rail (2), wherein the supporting legs (51) are of a long tubular structure, an adjusting rod (52) is arranged below the supporting legs (51), the adjusting rod (52) is connected with the supporting legs (51) through threads, and the lower part of the adjusting rod (52) is fixedly connected with a universal wheel (7) with a brake.
7. The special device for overhauling the brake of the hydraulic generator as claimed in claim 6, which is characterized in that: the lower end of the supporting leg (51) is connected with the adjusting rod (52) through an external thread, the locking nut (6) is connected with the supporting leg (51) through the external thread, and the external thread of the supporting leg (51) is provided with a notch (53).
8. The special device for overhauling a brake of a hydraulic generator according to claim 7, which is characterized in that: the threaded hole of the locking nut (6) is gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281382.0U CN211392616U (en) | 2019-12-18 | 2019-12-18 | Special device for overhauling brake of hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281382.0U CN211392616U (en) | 2019-12-18 | 2019-12-18 | Special device for overhauling brake of hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211392616U true CN211392616U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922281382.0U Active CN211392616U (en) | 2019-12-18 | 2019-12-18 | Special device for overhauling brake of hydraulic generator |
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| Country | Link |
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| CN (1) | CN211392616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336120A (en) * | 2021-05-11 | 2021-09-03 | 中国长江电力股份有限公司 | Large hydroelectric generating set brake dismounting mechanism and use method |
-
2019
- 2019-12-18 CN CN201922281382.0U patent/CN211392616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336120A (en) * | 2021-05-11 | 2021-09-03 | 中国长江电力股份有限公司 | Large hydroelectric generating set brake dismounting mechanism and use method |
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