CN214418671U - Core pulling tool for main water feeding pump of nuclear power plant - Google Patents
Core pulling tool for main water feeding pump of nuclear power plant Download PDFInfo
- Publication number
- CN214418671U CN214418671U CN202120262616.1U CN202120262616U CN214418671U CN 214418671 U CN214418671 U CN 214418671U CN 202120262616 U CN202120262616 U CN 202120262616U CN 214418671 U CN214418671 U CN 214418671U
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- Prior art keywords
- core pulling
- power plant
- nuclear power
- core
- frame
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 238000003491 array Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 3
- 238000005253 cladding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model discloses a loose core instrument that is used for nuclear power plant owner to feed water pump relates to mechanical technical field. The utility model discloses a core pulling machine, core pulling machine include frame and drive end support frame, and the frame surface is equipped with two guide rails, extraction element and free end pump cap mount, and the guide rail surface is equipped with spout and a plurality of through hole, and extraction element includes fixed plate and extraction roller, and the fixed plate surface is equipped with second through hole, two expansion bend and connecting plate, and the connecting plate surface is equipped with the pressure sensors, and automatic end pump cap mount both ends are equipped with the second fixed plate, and second fixed plate surface is equipped with the slider. The utility model discloses a set up frame, fixed plate, expansion bend, connecting plate, take out roller and pressure sensors, drive the connecting plate through the expansion bend and remove to the roller removal is taken out in the drive, through pressure sensors, when receiving the hindrance, makes expansion bend stop work, reaches and avoids the effect that manual operation error rate is high when taking out core package.
Description
Technical Field
The utility model belongs to the technical field of machinery, especially, relate to a loose core instrument that is used for nuclear power plant owner's water-feeding pump.
Background
A pressure-level pump of a main water feeding pump of a square-family mountain nuclear power unit and a front pump thereof belong to a single-stage double-suction barrel shell type centrifugal pump. In the core cladding process of the cylinder pump, if the control is not good, the core cladding is easy to be blocked or parts are easy to be damaged. Not only cause equipment damage, delay the time limit for a project seriously moreover, in order can be smooth when the pump disintegrates, the harmless core package of taking out, need ensure to keep core package and pump case shell axis at same level when taking out, present still takes out through the manual work, and the fault rate is on the high side, so, the utility model discloses release a loose core instrument that is used for nuclear power plant owner's water-feeding pump.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a loose core instrument for nuclear power plant owner's feed pump solves the current easy error problem of manual operation when carrying out pump body core cladding.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a core pulling tool for a main water feeding pump of a nuclear power plant, which comprises a core pulling machine, wherein the outer surface of the core pulling machine is provided with a plurality of supporting columns;
the core-pulling machine comprises a rack and a drive end support frame, wherein two guide rails, a pulling device and a free end pump cover fixing frame are arranged on the outer surface of the rack, a plurality of arrays of through holes and sliding chutes are arranged on the outer surface of each guide rail, each pulling device comprises a fixing plate and a pulling roller, two ends of each fixing plate are respectively connected with the two guide rails, a second through hole, two first retractors and a connecting plate are arranged on the outer surface of each fixing plate, two ends of each connecting plate are respectively connected with the two first retractors, a pressure sensor is arranged on the outer surface of each connecting plate, the other end of each pressure sensor is connected with the corresponding pulling roller, the connecting plates can be driven to move through the retractors when core pulling is carried out, so that the pulling rollers are driven to move, if the core pulling is blocked, the pressure sensors are triggered, the retractors stop working, and workers check and adjust the core-pulling process, the pump cover fixing frame is semicircular, second fixing plates are arranged at two ends of the free end pump cover fixing frame, sliding blocks are arranged on the outer surfaces of the second fixing plates, and the sliding blocks are located inside the sliding grooves.
Furthermore, a second expansion piece is arranged at one end of the supporting column, and the other end of the second expansion piece is connected with the lower surface of the rack.
Furthermore, the whole driving end dismounting pipe support frame is of a frame structure, and the top of the driving end dismounting pipe support frame is fixedly connected with the telescopic support roller.
Further, the pressure sensor is connected with the two first expanders.
Furthermore, a control switch is arranged on the outer surface of the core pulling machine and is electrically connected with the first expansion piece, the pressure sensor and the second expansion piece respectively.
Further, first expansion bend, pressure-sensitive inductor and second expansion bend all are connected with external power source through the plug, external power source includes the commercial power.
The utility model discloses following beneficial effect has:
the utility model discloses a set up frame, fixed plate, expansion bend, connecting plate, take out roller and pressure sensors, drive the connecting plate through the expansion bend and remove to the roller removal is taken out in the drive, through pressure sensors, when receiving the hindrance, makes expansion bend stop work, reaches and avoids the effect that manual operation error rate is high when taking out core package.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a core-pulling tool for a main feed pump of a nuclear power plant;
FIG. 2 is a schematic structural diagram of the upper part of a core-pulling tool for a main water feed pump of a nuclear power plant;
FIG. 3 is a schematic structural diagram of a lower portion of a core pulling tool for a main water feeding pump of a nuclear power plant;
FIG. 4 is a schematic structural view of a free end pump cover fixing frame;
fig. 5 is a schematic structural view of the drawing device.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a core pulling machine; 101. a support pillar; 102. a second retractor; 103. a control switch; 2. a frame; 201. A guide rail; 202. a drawing-out device; 203. a free end pump cover fixing frame; 204. a through hole; 205. a chute; 206. a fixing plate; 207. a draw-off roller; 208. a second through hole; 209. a first retractor; 3. a connecting plate; 301. a pressure sensor; 302. a second fixing plate; 303. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-5, the utility model relates to a core pulling tool for a main water feeding pump of a nuclear power plant, which comprises a core pulling machine 1, wherein a plurality of support columns 101 are arranged on the outer surface of the core pulling machine 1;
the core-pulling machine 1 comprises a machine frame 2 and a driving end support frame, two guide rails 201, a pulling device 202 and a free end pump cover fixing frame 203 are arranged on the outer surface of the machine frame 2, a plurality of arrays of through holes 204 and sliding grooves 205 are arranged on the outer surface of the guide rails 201, the pulling device 202 comprises a fixing plate 206 and a pulling roller 207, two ends of the fixing plate 206 are respectively connected with the two guide rails 201, a second through hole 208, two first expansion pieces 209 and a connecting plate 3 are arranged on the outer surface of the fixing plate 206, two ends of the connecting plate 3 are respectively connected with the two first expansion pieces 209, a pressure sensor 301 is arranged on the outer surface of the connecting plate 3, the other end of the pressure sensor 301 is connected with the pulling roller 207, when core pulling is carried out, the connecting plate 3 is driven to move through the first expansion pieces 209, so as to drive the pulling roller 207 to move, if the pressure sensor 301 is blocked during the pulling out, the first expansion pieces 209 stop working, after the staff's inspection adjustment, taking out, free end pump cover mount 203 is semi-circular, and free end pump cover mount 203 both ends are equipped with second fixed plate 302, and second fixed plate 302 surface is equipped with slider 303, and slider 303 is located inside spout 205.
One end of the supporting column 101 is provided with a second expansion piece 102, and the other end of the second expansion piece 102 is connected with the lower surface of the frame 2.
The whole support frame of the drive end dismounting pipe is of a frame structure, and the top of the support frame is fixedly connected with a telescopic support roller.
The pressure sensor 301 is connected to the two first expanders 209.
The outer surface of the core pulling machine 1 is provided with a control switch 103, and the control switch 103 is electrically connected with the first expansion piece 209, the pressure sensor 301 and the second expansion piece 102 respectively.
The first expansion piece 209, the pressure sensor 301 and the second expansion piece 102 are all connected with an external power supply through plugs, and the external power supply comprises commercial power.
When the utility model is operated specifically, the model of the first expansion piece and the second expansion piece is XTL100, the model of the pressure sensor is HYLY-019, when the core package of the water pump is pumped, firstly, the support frame of the detachable tube at the driving end is installed on the bottom plate at the driving end, one end of the guide rail 201 is connected with the pump shell at the driving end, the free end pump cover fixing frame 203 is connected with the lower end of the pump cover at the free end of the pump, when the core package is pumped out through the telescopic support rollers and the second expansion piece 102, the weight falls on the rollers, the pump shaft is parallel with the central line of the shell and the guide rail, when two groups of stop pins are installed in the through hole 204, the two first expansion pieces 209 are controlled to drive the pumping roller 207 to move, the core package is pumped out slowly, in the process, if the core package is blocked, the pressure sensor 301 is triggered, the first expansion piece 209 stops working, the working personnel adjust, when the first group of stop pins is met when the fixed plate 302 is moved, and (4) abutting the core bag on the stop pin, installing the first group of dismounting pipes, operating in sequence, and extracting the core bag.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a instrument of loosing core for nuclear power plant owner's feed pump, includes core pulling machine (1), its characterized in that: the outer surface of the core pulling machine (1) is provided with a plurality of supporting columns (101);
the core pulling machine (1) comprises a rack (2) and a driving end supporting frame, wherein two guide rails (201), a pulling device (202) and a free end pump cover fixing frame (203) are arranged on the outer surface of the rack (2), a plurality of arrays of through holes (204) and sliding grooves (205) are formed in the outer surface of each guide rail (201), each pulling device (202) comprises a fixing plate (206) and a pulling roller (207), two ends of each fixing plate (206) are respectively connected with the two guide rails (201), second through holes (208), two first expansion devices (209) and a connecting plate (3) are formed in the outer surface of each fixing plate (206), two ends of each connecting plate (3) are respectively connected with the two first expansion devices (209), a pressure sensor (301) is arranged on the outer surface of each connecting plate (3), the other end of each pressure sensor (301) is connected with the corresponding pulling roller (207), and the free end pump cover fixing frame (203) is semicircular, two ends of the free end pump cover fixing frame (203) are provided with second fixing plates (302), the outer surface of each second fixing plate (302) is provided with a sliding block (303), and each sliding block (303) is located inside the corresponding sliding groove (205).
2. The core pulling tool for the main water feeding pump of the nuclear power plant is characterized in that one end of the supporting column (101) is provided with a second expansion piece (102), and the other end of the second expansion piece (102) is connected with the lower surface of the rack (2).
3. The core pulling tool for the nuclear power plant main feed pump is characterized in that the whole driving end dismounting pipe support frame is of a frame structure, and the top of the driving end dismounting pipe support frame is fixedly connected with the telescopic support roller.
4. The core pulling tool for a main water feed pump of a nuclear power plant according to claim 1, characterized in that the pressure sensor (301) is connected with two first expanders (209).
5. The core pulling tool for the main water feeding pump of the nuclear power plant is characterized in that a control switch (103) is arranged on the outer surface of the core pulling machine (1), and the control switch (103) is electrically connected with the first expansion piece (209), the pressure sensor (301) and the second expansion piece (102) respectively.
6. The core pulling tool for a main water feeding pump of a nuclear power plant as claimed in claim 1, wherein the first expansion piece (209), the pressure sensor (301) and the second expansion piece (102) are all connected with an external power supply through plugs, and the external power supply comprises a commercial power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120262616.1U CN214418671U (en) | 2021-01-30 | 2021-01-30 | Core pulling tool for main water feeding pump of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120262616.1U CN214418671U (en) | 2021-01-30 | 2021-01-30 | Core pulling tool for main water feeding pump of nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214418671U true CN214418671U (en) | 2021-10-19 |
Family
ID=78069773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120262616.1U Expired - Fee Related CN214418671U (en) | 2021-01-30 | 2021-01-30 | Core pulling tool for main water feeding pump of nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214418671U (en) |
-
2021
- 2021-01-30 CN CN202120262616.1U patent/CN214418671U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |