CN217046336U - Platform is overhauld in hydraulic generator air brake dismouting - Google Patents

Platform is overhauld in hydraulic generator air brake dismouting Download PDF

Info

Publication number
CN217046336U
CN217046336U CN202122730689.1U CN202122730689U CN217046336U CN 217046336 U CN217046336 U CN 217046336U CN 202122730689 U CN202122730689 U CN 202122730689U CN 217046336 U CN217046336 U CN 217046336U
Authority
CN
China
Prior art keywords
air brake
multilayer
jack
platform
lifting frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122730689.1U
Other languages
Chinese (zh)
Inventor
宋驳昊
杨波
皮跃银
赵晓嘉
王远洪
曾阳麟
刘啟文
杨怀荣
吴封奎
聂治学
康建伟
梅金星
张树发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Lancang River Hydropower Co Ltd
Original Assignee
Huaneng Lancang River Hydropower Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaneng Lancang River Hydropower Co Ltd filed Critical Huaneng Lancang River Hydropower Co Ltd
Priority to CN202122730689.1U priority Critical patent/CN217046336U/en
Application granted granted Critical
Publication of CN217046336U publication Critical patent/CN217046336U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Braking Arrangements (AREA)

Abstract

The utility model provides a hydraulic generator air brake dismouting maintenance platform, including locating the multilayer maintenance platform on the stand, its characterized in that multilayer maintenance platform top is equipped with the lift frame of establishing the slide rail on it, is equipped with the air brake mounting bracket who connects with the slide rail slip on the lift frame, wherein: one end of the lifting frame is connected with a first jack arranged on the top bedplate of the multilayer overhaul platform, and the other end of the lifting frame is connected with a second jack arranged on a fixed support beside the multilayer overhaul platform. The fixed support and the multilayer overhaul platform are placed below the hydraulic turbine rotor and adjusted in place, the jack and the lifting frame are placed later, the lifting frame is lifted through the jack, the air brake fixing bracket is connected with the air brake in a matching mode, the air brake fixing bracket is moved to be located above the multilayer overhaul platform after the air brake is dismounted, the jack is lowered to enable the air brake to fall on the uppermost layer of the multilayer overhaul platform, the air brake can be maintained by dismounting the jack, otherwise, the air brake is mounted back to the hydraulic turbine rotor, and the operation process is efficient and rapid.

Description

Platform is overhauld in hydraulic generator air brake dismouting
Technical Field
The utility model relates to an overhaul the platform, especially a hydraulic generator air brake dismouting overhauls platform belongs to mechanical design and makes technical field.
Background
In the process of long-term low-speed operation of the hydraulic generator, the thrust pads cannot be fully lubricated, and the phenomenon of pad burning is easy to occur. In order to prevent the inertia shutdown of the hydraulic generator, a mechanical brake air brake is arranged on most hydraulic generators. When the hydraulic generator is at 10% of rated rotation speed, the mechanical brake air brake is put into use, and the rotation speed is rapidly reduced by utilizing the physical friction between the air brake plate and the rotor brake ring. During the use of the air brake, the faults of damage of the flashboard, air leakage of the upper cavity and the lower cavity of the air brake and the like often occur, and at the moment, the whole air brake needs to be dismounted for maintenance. The existing dismounting is carried out by adopting a mode of hanging a lifting appliance, and the space where a generator rotor is located is narrow, so that the lifting equipment is very inconvenient to operate, the dismounting process is time-consuming and labor-consuming, the efficiency is low, and more manpower and material resources are required to be invested to complete. In addition, the narrow dismounting space increases the accident risk and threatens the safety of equipment and personnel. There is therefore a need for improvements in the prior art.
Disclosure of Invention
For solving current hydraulic generator braking air brake because of the environmental space of locating is narrow and small, lead to the maintenance dismouting very inconvenient, increase down time and influence production scheduling problem, the utility model provides a hydraulic generator air brake dismouting maintenance platform.
The utility model discloses a following technical scheme accomplishes: the utility model provides a hydraulic generator air brake dismouting maintenance platform, is including locating the multilayer maintenance platform on the stand, and its characterized in that multilayer maintenance platform top is equipped with the lift frame of establishing the slide rail on it, is equipped with the air brake fixing bracket who connects with the slide rail slip on the lift frame, wherein: lifting frame one end links to each other with the first jack of locating on the multilayer maintenance platform the superiors' platen, the other end links to each other with the second jack of locating on the other fixed bolster of multilayer maintenance platform, so that put fixed bolster and multilayer maintenance platform in hydraulic turbine rotor below and the height-adjusting back that targets in place, wrap the card on the air brake and fasten the back with air brake fixed bolster from both sides, can remove the air brake of tearing down to the lifting frame on, remove multilayer maintenance platform the superiors along the slide rail on the lifting frame again, demolish first, behind second jack and the lifting frame, just can carry out the maintenance of air brake on the multilayer maintenance platform, otherwise then on the hydraulic turbine rotor is installed back to the air brake of having maintained.
The stand is established to the vertical screw rod that establishes the fagging in bottom, and this vertical screw rod is established to four and is divided and locate multilayer maintenance platform four corners departments, and multilayer maintenance platform comprises the horizontal table board that two piece at least upper and lower intervals set up, and every layer of horizontal table board four corners department all is equipped with the first sleeve that cup joints mutually with the stand, and first sleeve bottom is equipped with the nut with the stand spiro union to the nut of screw thread on the stand and the nut of first sleeve bottom to the position height of horizontal table board adjusts, in order to adapt to different demands.
The lifting frame comprises a U-shaped beam, sliding rails are arranged at the tops of two long straight beams of the U-shaped beam, the lower portion of the middle portion of a short beam is connected with a second jack in a matched mode, the lower portion of the two long straight beams of the open side of the U-shaped beam is connected with two first jacks in a matched mode, second sleeves connected with the stand columns in a sleeved mode are arranged on the outer sides of the two long straight beams of the open side of the U-shaped beam respectively, nuts connected with the stand columns in a screwed mode are arranged at the bottoms of the second sleeves, and therefore the height of one side of the lifting frame can be finely adjusted through the nuts, and the supporting stability of the lifting frame is improved.
The fixed bolster includes that the supporting legs's horizontal pole is established to both ends bottom, and the both sides of horizontal pole one end are equipped with the horizontal branch that its outer end leaned out and stretches out respectively, and each horizontal branch outer end bottom is equipped with the supporting legs to through the supporting legs of fixed bolster bottom and the supporting legs of horizontal branch bottom, highly finely tune the lift frame opposite side, improve its support stability.
The air brake fixing bracket is formed by combining two semicircular rings into a circular ring, connecting tongues with screw holes are arranged at the connecting parts of the two ends of the two semicircular rings respectively, bolts and nuts are arranged in the screw holes, a handle is arranged at the connecting part of the semicircular ring on one side, so that the circular ring formed by combining the two semicircular rings is wrapped and clamped on the air brake, and then the circular ring is installed on the water turbine air brake or detached from the water turbine air brake, and is pulled to move along a sliding rail of the lifting frame through the handle.
The detachable inclined supporting rods which are contacted with the ground are respectively arranged on the front outer side and the rear outer side of the U-shaped beam of the lifting frame, so that the stability of the lifting frame is further improved through the inclined supporting rods, and the air brake can move stably.
The utility model has the advantages of the following and the effect: by adopting the scheme, the fixed support and the multilayer overhaul platform are placed below the water turbine rotor and adjusted in place, the jack and the lifting frame are placed later, the lifting frame is jacked up through the jack, the air brake fixing bracket is matched and connected with the air brake, the air brake fixing bracket is moved to be positioned above the multilayer overhaul platform after the air brake is dismounted, the jack is lowered to enable the air brake to fall on the uppermost layer of the multilayer overhaul platform, the air brake can be maintained by dismounting the jack and the lifting frame, and otherwise, the air brake is mounted back to the water turbine rotor. The device is suitable for being used below the water turbine with narrow space, and is time-saving, labor-saving, efficient and rapid in operation process. The method is an ideal maintenance platform.
Drawings
Fig. 1 is a structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides a hydraulic generator air brake dismouting maintenance platform, including locating multilayer maintenance platform 14 on stand 15, multilayer maintenance platform 14 top is equipped with the lift frame 4 of establishing slide rail 9 on it, is equipped with the air brake fixing bracket 6 that connects with slide rail 9 slip on the lift frame 4, wherein: 4 right-hand members of carriage link to each other with the first jack 13 of locating on the 14 topmost decks of multilayer maintenance platform, and the left end links to each other with the second jack 3 of locating on the other fixed bolster 2 of multilayer maintenance platform 14, wherein:
the upright post 15 is provided with a vertical screw rod with a supporting plate 18 at the bottom, the vertical screw rod is four and is respectively arranged at four corners of the multilayer overhaul platform 14, the multilayer overhaul platform 14 is composed of two horizontal platform plates which are arranged at intervals from top to bottom, four corners of each horizontal platform plate are respectively provided with a first sleeve 16 which is sleeved with the upright post 15, the bottom of the first sleeve 16 is provided with a nut 17 which is screwed with the upright post 15, so that the position height of the horizontal platform plate can be adjusted through the matching of the thread on the upright post 15 and the nut 17 at the bottom of the first sleeve 16, and the requirements of different heights can be met;
the lifting frame 4 comprises a U-shaped beam 10, sliding rails 9 are arranged at the tops of two long straight beams of the U-shaped beam 10, the lower part of the middle part of the short beam 5 is matched and connected with a second jack 3, the lower parts of the two long straight beams on the open side of the U-shaped beam 10 are respectively matched and connected with two first jacks 13, second sleeves 11 sleeved with upright posts 15 are respectively arranged at the outer sides of the two long straight beams, and nuts 12 in threaded connection with the upright posts 15 are arranged at the bottoms of the second sleeves 11 so as to finely adjust the height of the right side of the lifting frame 4 through the nuts 12 and improve the support stability of the lifting frame;
the fixed support 2 comprises a horizontal rod, the bottoms of the two ends of the horizontal rod are provided with supporting feet 1, the front side and the rear side of one end of the horizontal rod are respectively provided with a horizontal strut 20, the outer end of the horizontal strut 20 extends outwards in an inclined manner, and the bottom of the outer end of each horizontal strut 20 is provided with a supporting foot 21, so that the height of the left side of the descending frame 4 is finely adjusted through the supporting feet 1 at the bottom of the fixed support 2 and the supporting feet 21 at the bottom of the horizontal struts 20, and the supporting stability of the descending frame is improved;
the air brake fixing bracket 6 is formed by combining two semicircular rings into a circular ring, the connecting parts of the two ends of the two semicircular rings are respectively provided with a connecting tongue 7 provided with a screw hole, a bolt and a nut are arranged in the screw hole, and the connecting part of the semicircular ring at one side is provided with a handle 8, so that the circular ring formed by combining the two semicircular rings is wrapped and clamped on the air brake A, and then the circular ring is installed on a hydraulic turbine air brake or detached from the hydraulic turbine air brake and is pulled to move along a slide rail 9 of the lifting frame 4 through the handle 8;
the front and the back outer sides of the U-shaped beam 10 of the lifting frame 4 are respectively provided with a detachable inclined supporting rod 19 which is contacted with the ground, so that the stability of the lifting frame 4 is further improved through the inclined supporting rod 19, and the air brake A can move stably.
When in work: after the fixed support 2 and the multilayer overhaul platform 14 are placed below the water turbine rotor and adjusted in place, the first jack, the second jack and the lifting frame 4 are placed, the lifting frame 4 is lifted by the first jack and the second jack in place, the air brake A is clamped on the air brake A from two sides by the air brake fixing bracket 6 and fastened, the disassembled air brake A can be moved to the lifting frame 4 and then moved to the upper side of the multilayer overhaul platform 14 along the slide rail 9 on the lifting frame 4, the first jack and the second jack are lowered to enable the air brake A to fall on the uppermost layer of the multilayer overhaul platform 14, after the first jack, the second jack and the lifting frame are disassembled, the maintenance of the air brake A can be carried out on the multilayer overhaul platform 14, and otherwise, the maintained air brake A is installed back on the water turbine rotor.

Claims (6)

1. The utility model provides a hydraulic generator air brake dismouting maintenance platform, is including locating the multilayer maintenance platform on the stand, and its characterized in that multilayer maintenance platform top is equipped with the lift frame of establishing the slide rail on it, is equipped with the air brake fixing bracket who connects with the slide rail slip on the lift frame, wherein: one end of the lifting frame is connected with a first jack arranged on the top bedplate of the multilayer overhaul stand, and the other end of the lifting frame is connected with a second jack arranged on a fixed support beside the multilayer overhaul stand.
2. The hydro-generator air brake disassembly and assembly maintenance platform of claim 1, wherein the vertical column is a vertical screw rod with a supporting plate at the bottom, the vertical screw rod is four and is respectively arranged at four corners of the multilayer maintenance platform, the multilayer maintenance platform is composed of at least two horizontal table plates arranged at intervals up and down, a first sleeve sleeved with the vertical column is arranged at each of the four corners of the horizontal table plate, and a nut screwed with the vertical column is arranged at the bottom of the first sleeve.
3. The hydraulic generator air brake dismounting and overhauling platform according to claim 1, wherein the lifting frame comprises a U-shaped beam, sliding rails are arranged at the tops of two long straight beams of the U-shaped beam, the lower part of the middle part of the short beam is matched and connected with a second jack, the lower parts of the two long straight beams at the open side of the U-shaped beam are respectively matched and connected with two first jacks, second sleeves sleeved with the stand columns are respectively arranged at the outer sides of the two long straight beams, and nuts screwed with the stand columns are arranged at the bottoms of the second sleeves.
4. The hydraulic generator air brake dismounting and maintenance platform according to claim 1, wherein the fixing bracket comprises a horizontal rod with supporting legs at the bottom of both ends, horizontal supporting rods with the outer ends extending outwards are respectively arranged at both sides of one end of the horizontal rod, and a supporting leg is arranged at the bottom of the outer end of each horizontal supporting rod.
5. The hydraulic generator air brake dismounting and repairing platform according to claim 1, wherein the air brake fixing bracket is formed by combining two semicircular rings into a circular ring, the joints of the two ends of the two semicircular rings are respectively provided with a connecting tongue with a screw hole, a bolt and a nut are arranged in the screw hole, and the joint of the semicircular ring at one side is provided with a handle.
6. The hydraulic generator air brake dismounting and overhauling platform according to claim 1, wherein the front and the rear outer sides of the U-shaped beam of the lifting frame are respectively provided with a detachable inclined supporting rod which is in contact with the ground.
CN202122730689.1U 2021-11-09 2021-11-09 Platform is overhauld in hydraulic generator air brake dismouting Active CN217046336U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122730689.1U CN217046336U (en) 2021-11-09 2021-11-09 Platform is overhauld in hydraulic generator air brake dismouting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122730689.1U CN217046336U (en) 2021-11-09 2021-11-09 Platform is overhauld in hydraulic generator air brake dismouting

Publications (1)

Publication Number Publication Date
CN217046336U true CN217046336U (en) 2022-07-26

Family

ID=82475831

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122730689.1U Active CN217046336U (en) 2021-11-09 2021-11-09 Platform is overhauld in hydraulic generator air brake dismouting

Country Status (1)

Country Link
CN (1) CN217046336U (en)

Similar Documents

Publication Publication Date Title
CN217046336U (en) Platform is overhauld in hydraulic generator air brake dismouting
CN202543926U (en) Self-erected frame mechanism of pile driving frame
CN218665221U (en) Dismounting and repairing device for large hydroelectric generating set brake
CN201330565Y (en) Semi-trailing drilling platform for oil drilling and repairing equipment
CN208236001U (en) Hoistable platform for the disassembly of foundation pit supporting beam
CN206516986U (en) A kind of adjustable electric power overhaul frame based on lever principle
CN113718724B (en) Operation platform for replacing arc-shaped gate side water stop rubber and construction method thereof
CN215588378U (en) Disassembling and assembling machine
CN216235916U (en) Electric power overhaul frame with anti-skidding protection function
CN211461841U (en) Safe anti-falling device for operation of hydraulic generator rotor
CN211029853U (en) Device for dismounting and mounting water turbine runner coupling bolt
CN211392616U (en) Special device for overhauling brake of hydraulic generator
CN210628909U (en) Current transformer replacing device in high-voltage switch cabinet
CN209948898U (en) Rotor brake ring plate assembly and disassembly tools
CN220030055U (en) Lower guide shoe dismounting tool for small-space operation
CN205637533U (en) A quick scaffold frame for inspection of mixed -flow runner
CN202206102U (en) Unwinding rack used for construction site
CN218576147U (en) Detachable engine maintenance platform of compressor unit
CN215789583U (en) Disassembling tool for brake of hydroelectric generating set
CN109626266A (en) A kind of inspection platform of vertical suspension type motor
CN219275003U (en) Novel special tool for dismounting and mounting generator air brake
CN218946859U (en) Electric spindle quick-changing device of horizontal machining center
CN213002670U (en) Novel axle box support device on wheel lathe without wheel falling
CN214394113U (en) Supporting tool for replacing gear box oil cooling radiating fin of wind generating set
CN220393186U (en) Simple milling machine installation tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant