CN108861997B - Integral hoisting tool for upper frame and guide shoe - Google Patents
Integral hoisting tool for upper frame and guide shoe Download PDFInfo
- Publication number
- CN108861997B CN108861997B CN201810967965.6A CN201810967965A CN108861997B CN 108861997 B CN108861997 B CN 108861997B CN 201810967965 A CN201810967965 A CN 201810967965A CN 108861997 B CN108861997 B CN 108861997B
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- Prior art keywords
- frame
- fixing
- guide shoe
- annular structure
- frames
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides an integral hoisting tool for an upper frame and guide shoes, which aims to solve the problems that the efficiency is low, the guide shoe surface is easy to damage and constructors are injured when the guide shoes of the existing vertical hydraulic generator are dismounted and mounted. The invention comprises M fixing devices, N fixing frames and N connecting frames; in the form of connecting every two fixing frames through a connecting frame, N fixing frames and N connecting frames are assembled in a crossed mode to form a central symmetrical annular structure, and the inner diameter of the annular structure is equal to that of the upper frame; m fasteners are distributed around the annular structure, and two ends of each fastener are respectively connected with the annular structure and the upper rack; each fixing frame is fixed with a guide shoe, M is a positive integer greater than 3, and N represents the number of the guide shoes. In the process of disassembling and installing the upper frame and the guide shoe, the invention can hoist integrally according to the requirement, the guide shoe surface is not damaged in the whole process, the upper frame is ensured not to collide with the main shaft, the equipment safety is protected, and the construction efficiency is improved.
Description
Technical Field
The invention relates to a hoisting tool, in particular to an integral hoisting tool for an upper frame and a guide shoe.
Background
The generally known vertical hydraulic generator guide shoe is dismantled and installed without adopting an integral hoisting tool, and the method comprises the steps of fixing the guide shoe by using a hoisting ring, hoisting the guide shoe to an upper frame by using a crane, placing the guide shoe at a wood plate, manually pushing the guide shoe to a position capable of being hoisted by using the crane along the wood plate, and hoisting the guide shoe to enable the guide shoe to be in place. In the process of placing the guide tiles on the wood board and manually pushing the guide tiles, the method is not easy to adjust the balance of the guide tiles, and is easy to fall off to hurt people and equipment. The process is low in efficiency, the tile guide surface is easy to damage and constructors are injured, improvement is needed, and the technical problems are solved.
Disclosure of Invention
The invention aims to solve the problems that the existing vertical hydraulic generator guide shoe is low in efficiency and easy to damage the guide shoe surface and hurt constructors when being dismounted and mounted, and provides an integral hoisting tool for an upper frame and the guide shoe.
The invention relates to an integral hoisting tool for an upper frame and a guide shoe, which comprises M fixing devices 1, N fixing frames 2 and N connecting frames 3;
in the form of connecting every two fixing frames 2 through one connecting frame 3, N fixing frames 2 and N connecting frames 3 are assembled in a crossed mode to form a central symmetrical annular structure, and the inner diameter of the annular structure is equal to that of the upper frame; the M fixtures 1 are distributed around the annular structure, and two ends of each fixture 1 are respectively connected with the annular structure and the upper rack;
each fixing frame 2 is fixed with a guide shoe, M is a positive integer greater than 3, and N represents the number of the guide shoes.
Preferably, the fixing frame 2 comprises a frame body 2-1, a fixing handle 2-2 and a connecting ring 2-3;
the guide shoe is arranged in the frame body 2-1, threads are arranged outside the fixed handle 2-2, a threaded hole matched with the threads is formed in the top of the frame body 2-1, one end of the fixed handle 2-2 penetrates through the threaded hole and penetrates into the frame body from the outside of the frame body 2-1 to be in contact with the guide shoe, and the guide shoe is fixed;
the top and the bottom of the two sides of the frame body 2-1 are respectively provided with a connecting ring 2-3 for connecting with the connecting frame 3.
Preferably, the connecting frame 3 comprises an upper connecting frame and a lower connecting frame; the upper connecting frame and the lower connecting frame have the same structure and are axially symmetrically arranged;
the upper connecting frame comprises two L-shaped long rods 3-1 and a threaded pipe 3-2, threads are arranged at the ends of the long handles of the two L-shaped long rods 3-1, the ends of the long handles of the two L-shaped long rods 3-1 are respectively in threaded connection with the two ends of the threaded pipe 3-2, the length of the long handle of the L-shaped long rod 3-1 screwed into the threaded pipe can be adjusted, and the short handle of the L-shaped long rod 3-1 is inserted into a corresponding connecting ring 2-3 of the fixing frame 2 to achieve connection.
Preferably, the holder is a permanent magnet holder 1.
Preferably, M is 4,4 anchors 1 distributed at four symmetrical positions of the annular structure.
The above-described features may be combined in various suitable ways or replaced by equivalent features as long as the object of the present invention can be achieved.
The invention has the beneficial effects that the invention is a special tool used when the upper frame and the guide tiles are hoisted during overhauling of the hydroelectric generating set, the guide tile fixing frame and the connecting frame are determined according to the number of the guide tiles, and the fixing frame and the connecting frame form a stable annular structure. Through the mount, can be with the guide shoe fixed, be connected annular structure and last frame by the fixer again. The hoisting tool provided by the invention is made of a material with good welding performance, easy processing and better weight under the condition of ensuring strength. The fixing frame and the connecting frame have good bending resistance, can bear the weight of the guide shoe and are not bent. In the process of disassembling and installing the upper frame and the guide shoe, the invention can hoist integrally according to the requirement, the guide shoe surface is not damaged in the whole process, the upper frame is ensured not to collide with the main shaft, the equipment safety is protected, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the assembly of the fixing frame 2 and the connecting frame 3;
fig. 3 is a schematic structural view of the fixing frame 2;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a top view of FIG. 3;
fig. 6 is a schematic structural view of the connection frame 3;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a top view of FIG. 6;
fig. 9 is a schematic structural view of a permanent magnet holder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
The integral hoisting tool for the upper frame and the guide shoe in the embodiment comprises M fixing devices 1, N fixing frames 2 and N connecting frames 3 as shown in fig. 1;
in the form of connecting every two fixing frames 2 through one connecting frame 3, N fixing frames 2 and N connecting frames 3 are assembled in a crossed mode to form a central symmetrical annular structure, and the inner diameter of the annular structure is equal to that of the upper frame; the M fixtures 1 are distributed around the annular structure, and two ends of each fixture 1 are respectively connected with the annular structure and the upper rack;
each fixing frame 2 is fixed with a guide shoe, M is a positive integer greater than 3, and N represents the number of the guide shoes.
The special tool used when the rack and the guide tiles are hoisted during overhauling of the hydroelectric generating set is used in the embodiment, and the guide tile fixing frame 2 and the connecting frame 3 are determined according to the number of the guide tiles. The integral hoisting tool of the embodiment is of an annular structure and is centrosymmetric after being assembled. The guide shoe can be fixed through the fixing frame 2, and then the annular structure is connected with the upper frame through the fixing device. The hoisting tool of the embodiment is made of a material which has good welding performance and is easy to process, and the lighter the weight is, the better the strength is ensured. The fixing frame 2 and the connecting frame 3 have good bending resistance, can bear the weight of the guide shoe and do not bend. The technical problem that the upper frame of the hydraulic generator meets when disassembling and installing the guide shoe is solved, and the construction efficiency is improved. In a preferred embodiment, as shown in fig. 3 to 5, the fixing frame 2 of the present embodiment includes a frame body 2-1, a fixing handle 2-2, and a connection ring 2-3;
the guide shoe is arranged in the frame body 2-1, threads are arranged outside the fixed handle 2-2, a threaded hole matched with the threads is formed in the top of the frame body 2-1, one end of the fixed handle 2-2 penetrates through the threaded hole and penetrates into the frame body from the outside of the frame body 2-1 to be in contact with the guide shoe, and the guide shoe is fixed;
the top and the bottom of the two sides of the frame body 2-1 are respectively provided with a connecting ring 2-3 for connecting with the connecting frame 3.
In the embodiment, the guide shoe is placed in the frame body 2-1, the fixing handle 2-2 is screwed, and the fixing handle 2-2 fixes the guide shoe in the frame body 2-1; the connecting rings 2-3 on the two sides of the frame body 2-1 are fixedly connected with the connecting frame; the fixing frame 2 can firmly fix the guide shoe, so that the guide shoe cannot fall off in the installation process, and meanwhile, the guide shoe is convenient to operate in the construction process.
In a preferred embodiment, as shown in fig. 2, 6, 7 and 8, the connection frame 3 of the present embodiment includes an upper connection frame and a lower connection frame; the upper connecting frame and the lower connecting frame have the same structure and are axially symmetrically arranged;
the upper connecting frame comprises two L-shaped long rods 3-1 and a threaded pipe 3-2, threads are arranged at the ends of the long handles of the two L-shaped long rods 3-1, the ends of the long handles of the two L-shaped long rods 3-1 are respectively in threaded connection with the two ends of the threaded pipe 3-2, the length of the long handle of the L-shaped long rod 3-1 screwed into the threaded pipe can be adjusted, and the short handle of the L-shaped long rod 3-1 is inserted into a corresponding connecting ring 2-3 of the fixing frame 2 to achieve connection.
The connecting frame 3 of this embodiment can carry out length adjustment, guarantees that the internal diameter of integral hoisting instrument and the internal diameter of last frame cooperation are good after the installation.
As shown in fig. 2, the fixing frame 2 and the connecting frame 3 of the present embodiment are assembled in a double-layer ring shape, and the assembled parts are centrosymmetric. The fixing frame 2 and the connecting frame 3 of the embodiment are made of materials with good welding performance and easy processing, and have light weight and very good bending resistance, and cannot bend when bearing the weight of the guide shoe by 2 times.
In a preferred embodiment, the holder of the present embodiment is a permanent magnet holder 1, as shown in fig. 9.
The permanent magnet holder 3 is connected with the annular structure in a pin connection manner and can bear at least 3 times of the sum of the weights of the guide shoe, the fixing frame 2 and the connecting frame 3. The material has good welding performance and is easy to process. After assembly, the permanent magnet fixer can firmly suck the whole body consisting of the guide shoe, the fixing frame 2 and the connecting frame 3 onto the upper frame, so that the guide shoe is prevented from falling off in the process of disassembly and installation, and meanwhile, the permanent magnet fixer is convenient to operate in the construction process and strong in environment adaptability.
The present embodiment comprises 4 holders 1 as shown in fig. 1,4 holders 1 being distributed in symmetrical four-way positions of the ring-shaped structure.
The parameters of the permanent magnet fixer 1, the fixing frame 2 and the connecting frame 3 in the embodiment are determined according to the parameters of the power generation guide shoe of the specific water turbine.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (2)
1. The integral hoisting tool for the upper frame and the guide shoe is characterized by comprising M fixing devices (1), N fixing frames (2) and N connecting frames (3);
in the form of connecting every two fixing frames (2) through a connecting frame (3), N fixing frames (2) and N connecting frames (3) are assembled in a crossed mode to form a central symmetrical annular structure, and the inner diameter of the annular structure is equal to that of the upper frame; m fixing devices (1) are distributed around the annular structure, and two ends of each fixing device (1) are respectively connected with the annular structure and the upper frame;
each fixing frame (2) is provided with a guide shoe, M is a positive integer greater than 3, and N represents the number of the guide shoes;
the fixing frame (2) comprises a frame body (2-1), a fixing handle (2-2) and a connecting ring (2-3);
the guide shoe is arranged in the frame body (2-1), threads are arranged outside the fixed handle (2-2), a threaded hole matched with the threads is formed in the top of the frame body (2-1), one end of the fixed handle (2-2) penetrates through the threaded hole, penetrates into the frame body (2-1) from the outside, is contacted with the guide shoe, and plays a role in fixing the guide shoe;
the top and the bottom of the two sides of the frame body (2-1) are respectively provided with a connecting ring (2-3) for connecting with the connecting frame (3);
the connecting frame (3) comprises an upper connecting frame and a lower connecting frame; the upper connecting frame and the lower connecting frame have the same structure and are axially symmetrically arranged;
the upper connecting frame comprises two L-shaped long rods (3-1) and a threaded pipe (3-2), threads are arranged at the ends of the long handles of the two L-shaped long rods (3-1), the ends of the long handles of the two L-shaped long rods (3-1) are respectively in threaded connection with the two ends of the threaded pipe (3-2), the length of the long handles of the L-shaped long rods (3-1) screwed into the threaded pipe can be adjusted, and the short handles of the L-shaped long rods (3-1) are inserted into corresponding connecting rings (2-3) of the fixing frame (2) to realize connection;
the fixer is a permanent magnet fixer (1).
2. The upper frame and guide shoe integral hoisting tool according to claim 1, characterized in that M-pieces of 4,4 holders (1) are distributed in four symmetrical directions of the ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967965.6A CN108861997B (en) | 2018-08-23 | 2018-08-23 | Integral hoisting tool for upper frame and guide shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967965.6A CN108861997B (en) | 2018-08-23 | 2018-08-23 | Integral hoisting tool for upper frame and guide shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108861997A CN108861997A (en) | 2018-11-23 |
| CN108861997B true CN108861997B (en) | 2023-09-29 |
Family
ID=64321310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810967965.6A Active CN108861997B (en) | 2018-08-23 | 2018-08-23 | Integral hoisting tool for upper frame and guide shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108861997B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002348088A (en) * | 2001-05-22 | 2002-12-04 | Isuzu Motors Ltd | Cylindrical body handling accessory |
| KR20120001588U (en) * | 2010-08-27 | 2012-03-07 | 대우조선해양 주식회사 | Tool for fastening and separating of screw type pipe installed in the ship |
| CN103935878A (en) * | 2014-05-07 | 2014-07-23 | 国家电网公司 | Upper guide shoe mounting tool of vertical hydro generator |
| CN203765251U (en) * | 2014-04-22 | 2014-08-13 | 国家电网公司 | Clamping devices and device for disassembling and assembling lower guide oil box of vertical hydro-generator |
| CN204209612U (en) * | 2014-08-29 | 2015-03-18 | 大唐碧口水力发电厂 | Guide shoe tool specially for attaching and detaching on a kind of turbine-generator units |
| JP2016023021A (en) * | 2014-07-17 | 2016-02-08 | 大和リース株式会社 | Column lifting tool and method of using the same |
| CN208617201U (en) * | 2018-08-23 | 2019-03-19 | 国网黑龙江省电力有限公司牡丹江水力发电总厂 | A kind of upper spider and guide shoe integral hoisting tool |
-
2018
- 2018-08-23 CN CN201810967965.6A patent/CN108861997B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002348088A (en) * | 2001-05-22 | 2002-12-04 | Isuzu Motors Ltd | Cylindrical body handling accessory |
| KR20120001588U (en) * | 2010-08-27 | 2012-03-07 | 대우조선해양 주식회사 | Tool for fastening and separating of screw type pipe installed in the ship |
| CN203765251U (en) * | 2014-04-22 | 2014-08-13 | 国家电网公司 | Clamping devices and device for disassembling and assembling lower guide oil box of vertical hydro-generator |
| CN103935878A (en) * | 2014-05-07 | 2014-07-23 | 国家电网公司 | Upper guide shoe mounting tool of vertical hydro generator |
| JP2016023021A (en) * | 2014-07-17 | 2016-02-08 | 大和リース株式会社 | Column lifting tool and method of using the same |
| CN204209612U (en) * | 2014-08-29 | 2015-03-18 | 大唐碧口水力发电厂 | Guide shoe tool specially for attaching and detaching on a kind of turbine-generator units |
| CN208617201U (en) * | 2018-08-23 | 2019-03-19 | 国网黑龙江省电力有限公司牡丹江水力发电总厂 | A kind of upper spider and guide shoe integral hoisting tool |
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| Publication number | Publication date |
|---|---|
| CN108861997A (en) | 2018-11-23 |
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