CN211908592U - Nuclear power generator static blade seat assembly and disassembly tools - Google Patents
Nuclear power generator static blade seat assembly and disassembly tools Download PDFInfo
- Publication number
- CN211908592U CN211908592U CN202020235164.3U CN202020235164U CN211908592U CN 211908592 U CN211908592 U CN 211908592U CN 202020235164 U CN202020235164 U CN 202020235164U CN 211908592 U CN211908592 U CN 211908592U
- Authority
- CN
- China
- Prior art keywords
- slide rail
- blade seat
- cross beam
- mounting part
- nuclear power
- 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
Links
Images
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
A tool for disassembling and assembling a stationary blade seat of a nuclear power generator. The disassembling tool comprises a cross beam slide rail; the bottom of the beam slide rail is provided with a first hanging block and a second hanging block which can slide along the beam slide rail, and the lower end of the first hanging block and the lower end of the second hanging block are respectively connected with a first hand-pulling hoist and a second hand-pulling hoist; the top of the cross beam slide rail is provided with a first mounting part and a second mounting part which are spaced front and back; the first mounting part and the second mounting part are used for fixedly connecting the generator base; the first hand-pulling block and the second hand-pulling block are used for respectively hooking and hanging the front end and the rear end of the stationary blade seat. The dismounting tool is used for realizing that the surface of the movable blade seat with the movable blade seat and the fixed blade seat on the generator rotor rotates around the central axis of the movable blade seat, so that the step of adjusting the fixed blade seat to be lifted to the position right above the motor rotor can be greatly simplified. Therefore, the static blade can be effectively prevented from being accidentally damaged, the dismounting process is simplified, the use and the control are convenient, the working efficiency is effectively improved, and the construction period is saved.
Description
Technical Field
The utility model relates to a nuclear power station maintenance technical field, concretely relates to quiet blade holder assembly and disassembly tools of nuclear power generator.
Background
The maximum difference between the QFSN-1100-4 type 1100MW nuclear power generator and other generator sets is that the front end of the generator is designed by adopting an axial flow multistage compression fan (total 8 stages), a static blade seat (6 blocks in a circle) is designed at a corresponding position, and a cooling system of the generator adopts a cooling mode of matching multistage axial flow with the static blade seat, so that the cooling effect is good.
However, the applicant has found that when the nuclear power generator of the above type is overhauled, the stator blade seat dismantling process provided by a manufacturer is very complicated, and requires a long construction period. Meanwhile, because the static blade seat is precise equipment, the static blade seat is lack of protection in the current dismounting process, the static blade is easy to bend to cause equipment damage, and the overhaul period is delayed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a quiet leaf seat assembly and disassembly tools of nuclear power generator is provided, uses quiet leaf seat assembly and disassembly tools carries out the dismouting to quiet leaf seat of nuclear power generator, can effectively prevent the unexpected damage of quiet leaf, simplifies the dismouting technology, uses to control the convenience, effectively improves work efficiency, saves the time limit for a project.
In order to solve the technical problem, the technical scheme adopted by the utility model is to provide a disassembling tool for a nuclear power generator static blade seat, wherein the disassembling tool comprises a beam slide rail; the bottom of the beam slide rail is provided with a first hanging block and a second hanging block which can slide along the beam slide rail, and the lower end of the first hanging block and the lower end of the second hanging block are respectively connected with a first hand-pulling hoist and a second hand-pulling hoist; the top of the cross beam sliding rail is provided with a first mounting part and a second mounting part which are spaced from each other in the front-back direction; the first mounting part and the second mounting part are used for being fixedly connected with a generator base; the first hand-pulling block and the second hand-pulling block are used for being respectively hooked and hung at the front end and the rear end of the fixed blade seat.
The utility model provides an among the quiet leaf seat assembly and disassembly tools of nuclear power generator, the front end of crossbeam slide rail is fixed with first stopper, rear end is fixed with the second stopper.
The utility model provides an among the quiet leaf seat assembly and disassembly tools of nuclear power generator, the first fore-and-aft direction's of hanging the piece size with the second hangs the fore-and-aft direction's of piece size sum less than or equal to the preceding terminal surface of first installation department with distance between the preceding terminal surface of crossbeam slide rail.
The utility model provides an among the quiet leaf seat assembly and disassembly tools of nuclear power generator, the preceding terminal surface of first installation department with the distance between the preceding terminal surface of crossbeam slide rail is 600mm-620 mm.
The utility model provides an among the quiet leaf seat assembly and disassembly tools of nuclear power generator, the rear end face of second installation department with the distance between the rear end face of crossbeam slide rail is 210mm-230 mm.
The utility model provides an among the quiet leaf seat assembly and disassembly tools of nuclear power generator, first piece of hanging is in through two first pulley hoists on the crossbeam slide rail, the second hangs the piece and is in through two second pulley hoists on the crossbeam slide rail.
The utility model provides an among the quiet leaf seat assembly and disassembly tools of nuclear power generator, the crossbeam slide rail adopts the width to be 68mm, highly to be 100 mm's I-steel and makes, the length of crossbeam slide rail is 2900 mm.
Implement the utility model provides a quiet leaf seat assembly and disassembly tools of nuclear power generator can reach following beneficial effect:
1. the disassembling tool comprises a cross beam slide rail; the bottom of the beam slide rail is provided with a first hanging block and a second hanging block which can slide along the beam slide rail, and the lower end of the first hanging block and the lower end of the second hanging block are respectively connected with a first hand-pulling hoist and a second hand-pulling hoist; the top of the cross beam sliding rail is provided with a first mounting part and a second mounting part which are spaced from each other in the front-back direction; the first mounting part and the second mounting part are used for being fixedly connected with a generator base; the first hand-pulling block and the second hand-pulling block are used for being respectively hooked and hung at the front end and the rear end of the fixed blade seat. Through using assembly and disassembly tools both can realize hoisting and the translation of quiet leaf seat, can also realize taking the quiet leaf seat to rotate around the leaf seat axis at the surface of the moving leaf seat of generator rotor, the step of the quiet leaf seat that can very big simplification will wait to hang out adjusts the position directly over motor rotor. Therefore, the static blade can be effectively prevented from being accidentally damaged, the dismounting process is simplified, the use and the control are convenient, the working efficiency is effectively improved, and the construction period is saved.
2. In the whole process of disassembling the stationary blade seat, the rotor is only coiled once, so that the influence on the work of other steam turbine shafting is small, and a large amount of maintenance time is saved.
3. Greatly reduces the use of plant supply equipment, such as supporting hanging beams, supports, connecting shafts and the like, reduces the dependence of the nuclear power station on equipment original plants, and is favorable for on-site standardized management.
4. The brand new dismounting method avoids the repeated dismounting of the L-shaped fixed dismounting tool by personnel, reduces the possibility of damaging the stationary blade by mistake and protects the safety of precision equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:
FIG. 1 is a schematic diagram of a position relationship between six stages of stationary blade seats and a generator rotor;
fig. 2 is a schematic structural view of a first assembly/disassembly tool according to an embodiment of the present invention.
The reference numerals in the detailed description illustrate:
| beam sliding rail | 1 | First mounting part | 2 |
| Second mounting part | 3 | First hanging block | 4 |
| First hand-operated hoist | 5 | |
41 |
| Second hanging block | 6 | Second hand-pulling hoist | 7 |
| |
61 | First limiting |
8 |
| Second limiting |
9 |
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Exemplary embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
First, those skilled in the art will know that: in the QFSN-1100-4 type 1100MW nuclear power generator, the static blade seats of six arc sections at the steam end of the generator are sequentially connected and arranged on a cylindrical surface; each section of the static blade seat is provided with 2 measuring holes, and the total number of the measuring holes is 12; the inner side of each section of the static blade seat is provided with 8 stages of guide blades (namely static blades), and 1872 sheets of guide blades are arranged at each stage; a numbering steel seal is knocked at the joint of each section of the stationary blade seat, the joint surfaces between the sections of the stationary blade seats are tightly clamped by stainless steel positioning bolts, connecting bolts, nuts and tongue-shaped gaskets, the positions of the sections of the stationary blade seats cannot be exchanged, and the sections of the stationary blade seats must be arranged in a number matching way in the installation process; the front end of each section of static blade seat is fixedly connected with an end cover wind shield (the upper three sections of static blade seats are fixedly connected with an upper half end cover wind shield by bolts, and the lower three sections of static blade seats are fixedly connected with a lower half end cover wind shield by bolts); the rear end of each section of the static blade seat is positioned in a mode of tightly jacking 8 radial jackscrews; most importantly, the six arc-section static blade seats surround the generator rotor (fig. 1 shows the position relationship between the static blade seats and the generator rotor), the generator rotor comprises a cylindrical movable blade seat, 8 circles of axial flow fan blades (namely movable blades) are arranged on the outer side surface of the movable blade seat, the radial gap between each section of static blade seat and the axial flow fan blades of the generator rotor is very narrow and small, the minimum radial gap is only 1.20mm, meanwhile, the number of movable blades and the number of static blades are numerous, the dismounting process needs to be prudent, and a lot of challenges are brought to maintenance personnel.
At present, in the process of disassembling and assembling a generator static blade seat, tools used for lifting a section of static blade seat out to be completely separated from a generator rotor are a connecting shaft, a support and a special support hanging beam (factory supply tool). The lower end of the special supporting hanging beam is fixedly connected with the front end of the static blade seat through the connecting shaft and the support, and the crane drags the static blade seat to translate forwards until the static blade seat is completely separated from the rotor of the generator after the crane hoists the static blade seat by a certain height through the hanging beam, so that the hanging operation is completed. The premise for completing the operation is that the stationary blade seat to be lifted needs to be adjusted to the position right above the motor rotor, and because the existing set of tools can only realize the lifting and the translation of the stationary blade seat and cannot realize the rotation of the stationary blade seat around the central axis of the movable blade seat on the surface of the movable blade seat of the generator rotor, the stationary blade seat to be lifted can only be adjusted to the position right above the motor rotor by frequently coiling the movable rotor and an L-shaped fixed dismounting tool provided by a dismounting plant at present. The whole disassembly and assembly operation is complex and tedious, and the maintenance period is too long; and the frequent rotor turning can also influence the related maintenance work of the steam turbine shafting, and easily causes the delay of the overhaul period.
The above mentioned connecting shaft, bracket, special supporting hanging beam, and L-shaped fixing and dismounting tool are well known tools in the art, and will not be described herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "front", "back", and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The terms including ordinal numbers such as "first", "second", and the like used in the present specification may be used to describe various components, but the components are not limited by the terms. These terms are used only for the purpose of distinguishing one constituent element from other constituent elements. For example, a first component may be named as a second component, and similarly, a second component may also be named as a first component, without departing from the scope of the present invention.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the specific features in the embodiments and examples of the present invention are detailed descriptions of the technical solutions of the present application, but not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present invention can be combined with each other without conflict.
Example one
The embodiment provides a nuclear power generator static blade seat assembly and disassembly tools. Referring to fig. 2, the disassembling tool comprises a cross beam slide rail 1; the bottom of the beam slide rail 1 is provided with a first hanging block 4 and a second hanging block 6 which can slide along the beam slide rail 1, and the lower end of the first hanging block 4 and the lower end of the second hanging block 6 are respectively connected with a first hand-pulling block 5 and a second hand-pulling block 7; the top of the cross beam sliding rail 1 is provided with a first mounting part 2 and a second mounting part 3 which are spaced from each other in the front-back direction; the first mounting part 2 and the second mounting part 3 are used for being fixedly connected with a generator base; the first hand-pulling block 5 and the second hand-pulling block 7 are used for being respectively hooked and hung at the front end and the rear end of the fixed blade seat. Through using assembly and disassembly tools both can realize hoisting and the translation of quiet leaf seat, can also realize taking the quiet leaf seat to rotate around the leaf seat axis at the surface of the moving leaf seat of generator rotor, the step of the quiet leaf seat that can very big simplification will wait to hang out adjusts the position directly over motor rotor. Therefore, the static blade can be effectively prevented from being accidentally damaged, the dismounting process is simplified, the use and the control are convenient, the working efficiency is effectively improved, and the construction period is saved.
In this embodiment, the first mounting portion 2 is shaped like a flat plate and is vertically mounted on the upper side of the cross rail 1 in a position close to the front. The second mounting part 3 is flat and vertically mounted at the rear position of the upper side of the beam slide rail 1. First installation department 2 with all be equipped with the screw mounting hole on the second installation department 3, all through screw and generator frame fixed connection.
In this embodiment, the first hanging block 4 is hung on the beam slide rail 1 through two first pulleys 41, and the second hanging block 6 is hung on the beam slide rail 1 through two second pulleys 61. Thus, the first hanging block 4 and the second hanging block 6 can smoothly slide along the cross beam sliding rail 1, and the friction resistance is small.
In some other embodiments, the first hanging block 4 can be hung on the beam sliding rail 1 by more or fewer first pulleys 41, for example, 1 or 3. Likewise, the second lifting block 6 can be lifted on the beam slide 1 by more or fewer second pulleys 61, for example, 1 or 3.
In this embodiment, the beam slide rail 1 is made of i-steel with a width of 68mm and a height of 100mm, and the length L of the beam slide rail 1 is 2900 mm. The deformation of the beam can meet the smooth rolling requirements of the first roller and the second roller under the condition that the beam sliding rail 1 can bear 1T heavy objects.
In this embodiment, the front end of the beam slide rail 1 is fixed with a first limiting block 8, and the rear end is fixed with a second limiting block 9. The first limiting block 8 is fixed to the foremost end of the beam slide rail 1 through a screw, and the second limiting block 9 is fixed to the rearmost end of the beam slide rail 1 through a screw, so that the first hanging block 4 and the second hanging block 6 are prevented from being separated from the front end or the rear end of the beam slide rail 1 to cause safety accidents.
In this embodiment, the sum of the front-rear direction dimension of the first hanging block 4 and the front-rear direction dimension of the second hanging block 6 is equal to or less than the distance between the front end surface of the first mounting portion 2 and the front end surface of the cross rail 1. That is, the sum of the lengths of the first hanging block 4 and the second hanging block 6 is less than or equal to the distance between the front end surface of the first mounting part 2 and the front end surface of the cross beam slide rail 1, so that the first hanging block 4 and the second hanging block 6 can both slide to the front end of the first mounting part 2.
In this embodiment, a distance X between the front end surface of the first mounting portion 2 and the front end surface of the cross beam slide rail 1 is 600mm to 620 mm. Preferably, the preceding terminal surface of first installation department 2 with distance X between the preceding terminal surface of crossbeam slide rail 1 is 610mm, so, works as generator base is installed to first installation department 2 when on the surface with the preceding terminal surface parallel and level of stator bore, the distance that the stator bore was stretched out to the front end of crossbeam slide rail 1 is 610mm, has guaranteed promptly that this stretch out length does not shadow other equipment and has lifted by crane work, guarantees again that quiet leaf seat can first hanger 4 with the sufficient length of roll-off under the drive of second hanger 6 to the crane couple.
In some other embodiments, the distance between the front end surface of the first mounting portion 2 and the front end surface of the cross rail 1 may also be selected to be 600mm, 605mm, 615mm, or 620 mm.
In this embodiment, a distance Y between the rear end surface of the second mounting portion 3 and the rear end surface of the cross beam slide rail 1 is 210mm to 230 mm. Preferably, the distance Y between the front end surface of the first mounting portion 2 and the front end surface of the cross beam slide rail 1 is 220 mm.
For better explanation the utility model provides an assembly and disassembly tools is used below the process that assembly and disassembly tools carries out the dismantlement to nuclear power generator quiet leaf seat carries out detailed description.
The whole disassembly process comprises the following steps:
step S1, removing a static blade seat positioned right above the generator rotor;
here, it has been described in the foregoing that the front end of each section of stationary blade base is connected and fixed with the end cover wind shield, and the joint surface between the sections of stationary blade bases is tightened by the stainless steel positioning bolt, the connecting bolt, the nut and the tongue-shaped gasket, so it should be understood that the connecting piece between one stationary blade base located right above the generator rotor and the stationary blade bases on both sides and the connecting piece between one stationary blade base located right above the generator rotor and the end cover wind shield are removed here;
step S2, hanging out the static blade seat positioned right above the generator rotor by using the disassembling tool;
here, the step S2 includes the steps of:
step S21, fixing the first mounting part 2 and the second mounting part 3 of the cross beam slide rail 1 to the front end and the rear end of a generator base respectively, so that the cross beam slide rail 1 is positioned right above a generator rotor;
step S22, respectively hooking and hanging the front end and the rear end of the static blade seat which is positioned right above the generator rotor by the first hand-pulling block 5 and the second hand-pulling block 7, and hanging the static blade seat which is positioned right above the generator rotor upwards;
step S23, pulling the first hand-pulling block 5 and the second hand-pulling block 7 to enable the first hanging block 4 and the second hanging block 6 to move forwards along the cross beam slide rail 1, and simultaneously driving the static blade seat positioned right above the generator rotor to move forwards;
step S24, after the first hanging block 4 in front moves to the front side of the first mounting part 2, hooking the front end of the stationary blade base with a third chain block of a crane used in cooperation, and then disconnecting the first chain block 5 from the stationary blade base;
step S25, the crane and the second hanging block 6 move forward at the same time, when the second hanging block 6 moves to the front side of the first mounting part 2, the fourth chain block of the crane hooks the rear end of the stationary blade base, and then the second chain block 7 and the stationary blade base are disconnected;
step S26, the crane horizontally lifts the stator blade seat positioned right above the generator rotor out to be completely separated from the generator rotor;
step S3, rotating the stator blade seat positioned at the upper left of the generator rotor to the position right above the generator rotor around the shaft of the generator rotor by using the disassembling tool, and then implementing step S2;
here, the "rotating the stator blade mount located on the upper left of the generator rotor around the axis of the generator rotor to the right above the generator rotor using the dismounting tool" includes: the first hand-pulling hoist 5 and the second hand-pulling hoist 7 are hooked at the front end and the rear end of the stationary blade seat positioned on the upper left of the generator rotor, the stationary blade seat positioned on the upper left of the generator rotor is removed, and meanwhile, the first hand-pulling hoist 5 and the second hand-pulling hoist 7 are pulled to enable the stationary blade seat positioned on the upper left of the generator rotor to rotate around the shaft of the generator rotor to the position right above the generator rotor;
step S4, rotating the stator blade seat positioned at the upper right of the generator rotor to the position right above the generator rotor around the shaft of the generator rotor by using the disassembling tool, and then implementing step S2;
here, the "rotating the vane seat located at the upper right of the generator rotor around the axis of the generator rotor to the right above the generator rotor using the dismounting tool" includes: the first hand-pulling hoist 5 and the second hand-pulling hoist 7 are hooked at the front end and the rear end of the fixed blade seat positioned on the upper right of the generator rotor, the fixed blade seat positioned on the upper right of the generator rotor is detached, and meanwhile, the first hand-pulling hoist 5 and the second hand-pulling hoist 7 are pulled to enable the fixed blade seat positioned on the upper right of the generator rotor to rotate around the shaft of the generator rotor to the position right above the generator rotor;
after the stationary blade mount on the lower side of the generator rotor is fixed in step S5, the rotor is turned over to the upper side of the generator rotor, and then step S1, step S2, step S3, and step S4 are performed.
Here, at this time, three stationary blade seats are left below the generator rotor, and the left and right stationary blade seats are fixedly connected to the moving blade seats of the generator rotor by a method in the related art, that is, the left and right stationary blade seats are fixed to the moving blade seats of the generator rotor by two factory-supply L-shaped fixing and detaching tools, respectively. Then, the remaining three stationary blade seats can be turned over to the upper side of the generator rotor by turning the rotor for 180 degrees.
Wherein, the steps S1 and S2 are performed sequentially, the steps S3 and S4 are performed after the step S2, the steps S3 and S4 are performed in an interchangeable order, and the step S5 is performed after the steps S3 and S4.
It will be appreciated by those skilled in the art that the six detached vane carriers can be re-mounted to the generator rotor in a reverse operation to that described above.
To sum up, implement the utility model provides a mounting and dismounting tool can reach following beneficial effect at least:
1. the static blade damage prevention device can effectively prevent the static blade from being accidentally damaged, simplify the dismounting process, be convenient to use and control, effectively improve the working efficiency and save the construction period.
2. In the whole process of disassembling the stationary blade seat, the rotor is only coiled once, so that the influence on the work of other steam turbine shafting is small, and a large amount of maintenance time is saved.
3. Greatly reduces the use of plant supply equipment, such as supporting hanging beams, supports, connecting shafts and the like, reduces the dependence of the nuclear power station on equipment original plants, and is favorable for on-site standardized management.
4. The brand new dismounting method avoids the repeated dismounting of the L-shaped fixed dismounting tool by personnel, reduces the possibility of damaging the stationary blade by mistake and protects the safety of precision equipment.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (7)
1. A nuclear power generator stationary vane seat dismounting tool is characterized by comprising a cross beam slide rail (1); a first hanging block (4) and a second hanging block (6) which can slide along the cross beam sliding rail (1) are arranged at the bottom of the cross beam sliding rail (1), and the lower end of the first hanging block (4) and the lower end of the second hanging block (6) are respectively connected with a first hand-pulled hoist (5) and a second hand-pulled hoist (7); the top of the cross beam sliding rail (1) is provided with a first mounting part (2) and a second mounting part (3) which are spaced from each other in the front-back direction; the first mounting part (2) and the second mounting part (3) are used for being fixedly connected with a generator base; the first hand-pulling hoist (5) and the second hand-pulling hoist (7) are used for respectively hooking and hanging the front end and the rear end of the fixed blade seat.
2. The nuclear power generator stator vane seat dismounting tool according to claim 1, wherein a first limiting block (8) is fixed at the front end of the beam sliding rail (1), and a second limiting block (9) is fixed at the rear end.
3. The nuclear power generator stator vane seat dismounting tool is characterized in that the sum of the front-back direction dimension of the first hanging block (4) and the front-back direction dimension of the second hanging block (6) is smaller than or equal to the distance between the front end surface of the first mounting part (2) and the front end surface of the cross beam sliding rail (1).
4. The nuclear power generator stator vane seat assembly and disassembly tool of claim 1, wherein the distance between the front end face of the first mounting part (2) and the front end face of the cross beam sliding rail (1) is 600mm-620 mm.
5. The nuclear power generator stator vane seat assembly and disassembly tool of claim 1, wherein the distance between the rear end face of the second mounting portion (3) and the rear end face of the cross beam slide rail (1) is 210mm-230 mm.
6. The disassembly and assembly tool for the stationary blade seat of the nuclear power generator as claimed in claim 1, wherein the first lifting block (4) is hoisted on the cross beam slide rail (1) through two first pulleys (41), and the second lifting block (6) is hoisted on the cross beam slide rail (1) through two second pulleys (61).
7. The assembling and disassembling tool for the stator vane seat of the nuclear power generator as claimed in claim 1, wherein the cross beam slide rail (1) is made of I-steel with the width of 68mm and the height of 100mm, and the length of the cross beam slide rail (1) is 2900 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020235164.3U CN211908592U (en) | 2020-02-28 | 2020-02-28 | Nuclear power generator static blade seat assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020235164.3U CN211908592U (en) | 2020-02-28 | 2020-02-28 | Nuclear power generator static blade seat assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211908592U true CN211908592U (en) | 2020-11-10 |
Family
ID=73301467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020235164.3U Active CN211908592U (en) | 2020-02-28 | 2020-02-28 | Nuclear power generator static blade seat assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211908592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701861A (en) * | 2020-12-04 | 2021-04-23 | 江苏核电有限公司 | Method for disassembling and assembling blade type high-pressure fan of steam turbine generator |
| CN114810222A (en) * | 2022-04-26 | 2022-07-29 | 华北电力大学（保定） | Height-adjustable heatable end wall wing cutter in stationary blade ring of nuclear turbine |
-
2020
- 2020-02-28 CN CN202020235164.3U patent/CN211908592U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701861A (en) * | 2020-12-04 | 2021-04-23 | 江苏核电有限公司 | Method for disassembling and assembling blade type high-pressure fan of steam turbine generator |
| CN112701861B (en) * | 2020-12-04 | 2021-11-09 | 江苏核电有限公司 | Method for disassembling and assembling blade type high-pressure fan of steam turbine generator |
| CN114810222A (en) * | 2022-04-26 | 2022-07-29 | 华北电力大学（保定） | Height-adjustable heatable end wall wing cutter in stationary blade ring of nuclear turbine |
| CN114810222B (en) * | 2022-04-26 | 2023-05-23 | 华北电力大学（保定） | Height-adjustable heatable endwall wing knife in stator blade ring of nuclear turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211908592U (en) | Nuclear power generator static blade seat assembly and disassembly tools | |
| CN108817921B (en) | Horizontal press | |
| CN113328582A (en) | Nuclear power generator static blade seat dismounting tool and dismounting method | |
| CN211851008U (en) | Sliding device for dust removal pipeline with newly increased diameter in old factory building in narrow space | |
| CN209774534U (en) | TRT large-scale bearing of holding jar quiet leaf bearing extracting tool | |
| CN110524482A (en) | A kind of disassembling fixture and its method of bearing block | |
| CN214399659U (en) | Portable air pressure jacking device | |
| CN109850780B (en) | Device and method for repairing rear shaft of fire grate | |
| CN213672245U (en) | Gas turbine compressor rim plate turning device | |
| CN205289605U (en) | Ring rolls mould hoisting device | |
| CN219035121U (en) | Hub convenient for replacing blades | |
| CN215572180U (en) | Driving chain fixing device for industrial furnace | |
| CN215058666U (en) | Large-scale sheet structure of engineering machine tool convenient to installation | |
| CN217676302U (en) | Tool for dismounting and hoisting wind power gear box of secondary planetary structure | |
| CN214924056U (en) | Membrane head dismounting device for diaphragm type hydrogen compressor | |
| CN215486368U (en) | Transmission chain disassembling device of wind generating set | |
| CN204449790U (en) | Quick mounting tool of working roll balance cylinder | |
| CN221020828U (en) | Movable guide vane crank arm dismantling device | |
| CN214770197U (en) | Movable hydraulic device for dismounting bearing and back-rest wheel | |
| CN218698317U (en) | Axial-flow pump examines and repair instrument | |
| CN203853939U (en) | Bearing disassembly and assembly adjusting device for large-scale boiler induced-draft fan | |
| CN217121271U (en) | Diameter-changing device of backing roll dismounting machine | |
| CN219585701U (en) | Cantilever lifting appliance for overhauling fan of water tower | |
| CN221546315U (en) | External maintenance platform for fan tower | |
| CN214081199U (en) | Special tool for disassembling and assembling mechanical seal of large-sized machine pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |