CN211310528U - Nuclear power plant containment shell wall operation hoisting device - Google Patents
Nuclear power plant containment shell wall operation hoisting device Download PDFInfo
- Publication number
- CN211310528U CN211310528U CN201921774999.XU CN201921774999U CN211310528U CN 211310528 U CN211310528 U CN 211310528U CN 201921774999 U CN201921774999 U CN 201921774999U CN 211310528 U CN211310528 U CN 211310528U
- Authority
- CN
- China
- Prior art keywords
- hanging basket
- power plant
- nuclear power
- basket frame
- hanging
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Abstract
The utility model belongs to the technical field of nuclear power plant operation maintenance, to the operation of present containment arc inner wall lack effective convenient safe device, designed one kind and be used for nuclear power plant's containment conch wall operation hoist device. The device comprises a lifting lug and a hanging basket frame, the shape of the front end of the hanging basket frame is matched with the shape of the inner wall of the containment vessel, and the inner wall of the hanging basket frame is provided with an electromagnet. The balance weight is placed in the hanging basket frame, and the balance of the working hanging basket and the balance weight hanging basket is guaranteed by increasing and decreasing the balance weight. The utility model has the advantages that: the device can realize hoisting and operation functions of the containment inner wall material, can conveniently and quickly realize omnibearing inner wall operation, is simple to install and convenient to operate, and can meet the requirement for overhauling and using containment inner wall equipment (pipelines, supports and valves) of a nuclear power plant.
Description
Technical Field
The utility model belongs to the technical field of the operation of nuclear power plant is maintained, concretely relates to nuclear power plant's containment conch wall operation hoist device.
Background
The safe and stable operation of the nuclear power station can not leave all-around protection of each barrier, and the containment is used as the last safety barrier of the nuclear power unit, so the importance degree is self evident. The containment system is a shell containing a reactor loop system and emergency safety facilities and has the function of preventing radioactive gas and reflective substances from being completely sealed in the containment when severe accidents such as severe earthquakes or water loss occur, and the like, so that the radioactive gas and the reflective substances are prevented from being dissipated outwards to pollute the atmosphere and the environment. The containment is a spherical-top cylindrical large shell, the diameter of the containment is about 40 meters, the height of the containment is about 60 meters, and the outside, the inside and the top of the containment are provided with equipment and pipelines such as a containment spraying system, an air purification system and the like, which all need to be maintained and inspected regularly. However, the inner wall of the containment vessel is not provided with an escalator or a platform capable of reaching any position, which brings certain difficulty to inspection or modification construction of equipment inside the containment vessel, and equipment capable of assisting in completing operation of the inner wall of the containment vessel cannot be found in the current market. Aiming at the situations, the nuclear power plant containment shell wall operation hoisting device needs to be designed, the functions of hoisting the containment inner wall material and operating can be realized, and therefore the nuclear power plant containment inner wall equipment maintenance use is met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a nuclear power plant's containment conch wall operation hoist device to the problem that the operation of present containment arc inner wall lacks effective convenient safe auxiliary device.
The technical scheme of the utility model as follows:
the utility model provides a nuclear power plant's containment casing wall operation hoist device, includes lug and hanging flower basket frame, on the fixed hanging flower basket frame of lug, the shape and the containment inner wall shape of hanging flower basket frame front end suit, and its inner wall is provided with the electro-magnet.
The lifting lugs are connected with a ring lifting device in the containment through a chain block.
And a groove is arranged at the front end of the hanging basket frame corresponding to the protruding structure of the inner wall of the containment vessel.
One or more balancing weights are placed in the hanging basket frame, and the balance of the hoisting device is guaranteed by increasing and decreasing the balancing weights.
The hanging basket frame comprises a bottom plate and a side surface protection plate, a lower blocking strip is arranged on the bottom plate, and the balancing weight moves through the limiting position of the lower blocking strip.
The lifting lugs are of annular structures, and the planes of the lifting lugs are perpendicular to the hanging basket frame.
The hanging basket frame is provided with a lifting lug barrier strip, and the lifting lug barrier strip are on the same plane and fixedly connected.
The hanging basket frame comprises a bottom plate, a side surface protection plate and an upper blocking strip, wherein the upper blocking strip is perpendicular to the side surface protection plate and is connected with the side surface protection plate in a welding mode.
And one or more parallel outer side barrier strips are also arranged at the front end of the hanging basket frame.
The outside barrier strip is detachably connected with the hanging basket frame.
The utility model has the advantages that: the device for hoisting the shell wall of the containment vessel of the nuclear power plant is designed to overcome the defect that an effective, convenient and safe device is not available in the operation of the arc inner wall of the containment vessel at present, the hoisting and operation functions of the material of the inner wall of the containment vessel are realized, the omnibearing inner wall operation can be conveniently and quickly realized, the device is simple to install and convenient to operate, and the overhaul and use of equipment (pipelines, supports and valves) on the inner wall of the containment vessel of the nuclear power plant can be met. Specific advantages thereof include the following:
1. the device has simple structure, is firm and reliable, and solves the problem that no reliable apparatus exists in the previous hoisting of the material of the inner wall of the containment vessel and the cliff operation.
2. The device has centering adjustable function, and through counter weight hanging flower basket and work hanging flower basket cooperation, the counter weight hanging flower basket has the balancing weight, combines the chain block on 4 lugs can effectively realize hanging flower basket center adjustment, guarantees the stability of hanging flower basket in the course of the work.
3. The hanging flower basket front end adopts the arc design, and the angle is unanimous with containment inner wall angle, realizes the good laminating of hanging flower basket and inner wall, and the operation coverage is wide, installs electromagnet device, and hanging flower basket overall stability is higher during the operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-lifting lugs; 2-a basket frame; 3-a lower baffle strip of the counterweight hanging basket; 4-lifting lug barrier strip; 5-upper barrier strip; 6-outer baffle ring; 7-a bolt assembly; 8-outer barrier strip; 9-electromagnet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
The embodiment provides a nuclear power plant containment shell wall operation hoisting device, and the result is shown in fig. 1, and the hanging basket is divided into a counterweight hanging basket and a working hanging basket. The working hanging basket is positioned at the front part of the hoisting device, and personnel and materials are arranged in the hanging basket; the counterweight hanging basket is positioned at the rear part of the hoisting device and used for storing the counterweight blocks, the counterweight blocks with different weights are placed in the counterweight hanging basket, and the balance between the working hanging basket and the counterweight hanging basket is ensured by increasing and decreasing the counterweight blocks.
The lifting lug type hanging basket mainly comprises lifting lugs 1, a hanging basket frame 2, a counterweight hanging basket lower retaining strip 3, lifting lug retaining strips 4, a working hanging basket upper retaining strip 5, a working hanging basket outer retaining ring 6, a bolt assembly 7, a working hanging basket outer retaining strip 8, an electromagnet 9, peripheral and bottom steel plates and other parts.
The hanging basket frame 2 is of a barrel-shaped structure and comprises a bottom plate and a side guard plate, and the side guard plate is formed by welding an outer frame and a steel plate. The left side and the right side of the hanging basket are respectively provided with 4 outer frames, the rear side of the hanging basket is provided with 2 outer frames, the outer frames adopt 10# channel steel, and 3mm steel plates are adopted in the frames; the hanging basket bottom plate relates to load bearing, adopts 2 pieces of 7mm pattern steel plates for butt welding, and then is welded with the side guard plate of the hanging basket frame 2 into a whole; an arc-shaped steel plate is welded on the front side of the hanging basket frame 2, a groove is formed in the middle of the steel plate, the steel plate is in good fit with the inner wall of the containment vessel and has the function of avoiding the influence of pipelines, supports and equipment protruding from the inner wall of the containment vessel. The electromagnet 9 is installed on the inner side of the arc-shaped steel plate, when the arc-shaped steel plate is close to the steel cladding surface of the containment vessel, the electromagnet is electrified, the hanging basket and the inner wall of the containment vessel can be guaranteed to be tightly attracted, after the hanging basket and the inner wall of the containment vessel leave the area, the electromagnet is powered off, the hanging basket and the inner wall can be automatically separated, the hanging basket is transferred to the next operation area, and the stability of the hanging.
The lifting lug 1 is connected with the hanging basket frame 2 and the lifting lug barrier strip 4 through welding; the lifting lug 1 is of a circular ring structure, and the plane where the lifting lug 1 is located is perpendicular to the hanging basket frame 2. As shown in fig. 1, the total number of the lifting lugs 1 of the present embodiment is 4, and two, three or four lifting lugs 1 may be provided according to the use environment of the lifting device, and the positions of the plurality of lifting lugs 1 may be as long as the basket frame 2 is kept balanced. In order to keep the welding stability of the circular-ring-shaped lifting lug 1, a lifting lug baffle strip 4 can be welded on the upper part of the hanging basket frame 2, so that the lifting lug 1 can form a more stable structure through three-point welding. During operation, install chain block on every lug 1, through the chain block length of adjusting 4 angles to and the increase and decrease of balancing weight in the counter weight hanging flower basket, guarantee the balance of work hanging flower basket and counter weight hanging flower basket, finally realize the stability and the centering nature of whole hanging flower basket.
And the counterweight hanging basket lower part barrier strip 3 is arranged on the bottom plate of the hanging basket frame 2, and the counterweight block is clamped between the counterweight hanging basket lower part barrier strip 3 and the hanging basket frame 2 side protective plate. The lower barrier strip 3 has the function of limiting the movement of the balancing weight in the balancing weight hanging basket, preventing the balancing weight from deviating in high altitude and the like, and ensuring the stability of the device;
the upper barrier strip 5 of the working hanging basket is welded with the hanging basket frame, so that the rigidity of the whole device is increased;
the outer side baffle rings 6 of the working hanging basket are 4, 2 baffle rings are welded on the inner wall of the hanging basket frame 2 in a group, and the mounting positions of the two groups of baffle rings 6 are corresponding to each other and are used for fixedly mounting the outer side baffle strips 8. The work hanging basket outer side baffle ring 6 is welded with the hanging basket frame, bolt holes are designed in the work hanging basket outer side baffle ring, and the work hanging basket outer side baffle ring is connected with the work hanging basket outer side baffle strip 8 through a bolt component 7. The work hanging flower basket outside blend stop 8 has 2, and upper and lower distribution adopts 1.5 cun galvanized steel pipe, during the transportation material, pulls down the blend stop, and after the material installation was accomplished, installs the blend stop additional. Prevent materials and personnel from falling down in the air, and improve the safety of the hanging basket.
Further, after the device is centered and adjusted, 4 chain blocks are connected with a ring hanging hook in the containment, the hoisting device is conveyed to a target operation position on the inner wall of the containment through the vertical lifting and circumferential rotation of the ring hanging, the electromagnet 9 is electrified to fix the position of the hoisting device, and finally the operation work on the inner wall of the containment with high quality and high efficiency is completed, so that a safe and effective device is provided for the operation on the inner wall of the containment.
It can be seen from the above description that the nuclear power plant containment shell wall operation hoisting device of the embodiment mainly comprises a lifting lug, a hanging basket outer frame, a counterweight hanging basket lower retaining strip, a lifting lug retaining strip, a working hanging basket upper retaining strip, a working hanging basket outer retaining ring, a bolt assembly, a working hanging basket outer retaining strip, an electromagnet device, and surrounding and bottom steel plates. The operation hoisting function of the containment shell wall is realized through the mutual matching of the parts. The lug is total 4, passes through welded connection with hoist device's frame and lug blend stop, the hanging flower basket frame is formed by polylith steel sheet concatenation welding respectively, the hanging flower basket divide into counter weight hanging flower basket and work hanging flower basket, places the different balancing weight of weight in the counter weight hanging flower basket, counter weight hanging flower basket lower part blend stop is used for restricting the balancing weight displacement, the lug blend stop is in the same place with the welding of hanging flower basket frame, welding of work hanging flower basket upper portion blend stop and hanging flower basket frame, the work hanging flower basket outside is kept off the ring and is welded with the hanging flower basket frame, the work hanging flower basket outside is kept off the ring and is formed through bolted component connection, convenient to.
The hoisting device of the embodiment has the following advantages:
1) the device has simple structure, is firm and reliable, and solves the problem that no reliable apparatus exists in the previous hoisting of the material of the inner wall of the containment vessel and the cliff operation.
2) The device has centering adjustable function, and through counter weight hanging flower basket and work hanging flower basket cooperation, the counter weight hanging flower basket has the balancing weight, combines the chain block on 4 lugs can effectively realize hanging flower basket center adjustment, guarantees the stability of hanging flower basket in the course of the work.
3) The hanging flower basket front end adopts the arc design, and the angle is unanimous with containment inner wall angle, realizes the good laminating of hanging flower basket and inner wall, and the operation coverage is wide, installs electromagnet device, and hanging flower basket overall stability is higher during the operation.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A nuclear power plant containment shell wall operation hoist device which characterized in that: including lug (1) and hanging flower basket frame (2), on hanging flower basket frame (2) was fixed in lug (1), the shape and the containment inner wall shape of hanging flower basket frame (2) front end suited, and its inner wall is provided with electro-magnet (9).
2. The nuclear power plant containment shell wall operation hoisting device of claim 1, wherein: the lifting lugs (1) are multiple and are connected with a ring lifting device in the containment through a chain block.
3. The nuclear power plant containment shell wall operation hoisting device of claim 2, wherein: grooves are formed in the positions, corresponding to the protruding structures of the inner wall of the containment, of the front end of the hanging basket frame (2).
4. The nuclear power plant containment shell wall operation hoisting device of claim 1, 2 or 3, wherein: one or more balancing weights are placed in the hanging basket frame (2).
5. The nuclear power plant containment shell wall operation hoisting device of claim 4, wherein: the hanging basket frame (2) comprises a bottom plate and a side guard plate, a lower retaining strip (3) is arranged on the bottom plate, and the balancing weight moves through the position limited by the lower retaining strip (3).
6. The nuclear power plant containment shell wall operation hoisting device of claim 1, 2 or 3, wherein: the lifting lugs (1) are of an annular structure, and the plane where the lifting lugs (1) are located is perpendicular to the hanging basket frame (2).
7. The nuclear power plant containment shell wall operation hoisting device of claim 6, wherein: lifting lug barrier strips (4) are arranged on the hanging basket frame (2), and the lifting lugs (1) and the lifting lug barrier strips (4) are fixedly connected on the same plane.
8. The nuclear power plant containment shell wall operation hoisting device of claim 1, 2 or 3, wherein: the hanging basket frame (2) comprises a bottom plate, a side surface protection plate and an upper blocking strip (5), wherein the upper blocking strip (5) is perpendicular to the side surface protection plate and is connected with the side surface protection plate in a welding mode.
9. The nuclear power plant containment shell wall operation hoisting device of claim 1, 2 or 3, wherein: the front end of the hanging basket frame (2) is also provided with one or more parallel outer side barrier strips (8).
10. The nuclear power plant containment shell wall operation lifting device of claim 9, wherein: the outer side barrier strip (8) is detachably connected with the hanging basket frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774999.XU CN211310528U (en) | 2019-10-22 | 2019-10-22 | Nuclear power plant containment shell wall operation hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774999.XU CN211310528U (en) | 2019-10-22 | 2019-10-22 | Nuclear power plant containment shell wall operation hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211310528U true CN211310528U (en) | 2020-08-21 |
Family
ID=72076539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921774999.XU Active CN211310528U (en) | 2019-10-22 | 2019-10-22 | Nuclear power plant containment shell wall operation hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211310528U (en) |
-
2019
- 2019-10-22 CN CN201921774999.XU patent/CN211310528U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107050678A (en) | High-rise drop protection device | |
| CN211310528U (en) | Nuclear power plant containment shell wall operation hoisting device | |
| CN104577876A (en) | Plug-in hanging basket for live working of helicopter | |
| CN103967263B (en) | Hydraulic automatic jumping discharging platform | |
| CN203947758U (en) | Novel hydraulic automatic climbing discharging platform | |
| CN210529630U (en) | Non-stop water maintenance equipment for large channel | |
| CN209353852U (en) | A kind of robot protective fence convenient for assembly | |
| CN210829052U (en) | Be applicable to collapsible cage that protects of glass steel integration pump station | |
| JP4038376B2 (en) | Turbine equipment | |
| CN209793660U (en) | Steam turbine rotor bracket | |
| CN218091943U (en) | Lower extreme axle hoist dismouting operation platform | |
| CN203850005U (en) | Reactor lid sling supporting tool | |
| CN217756477U (en) | A simple and easy device that warehousing and transportation is integrative for pipeline hoist and mount | |
| CN207209896U (en) | A kind of large-scale dismountable lower end axle inspection platform | |
| CN216787990U (en) | Anti-falling angle steel tower | |
| CN219349806U (en) | Fixing device for nuclear power station integrated nuclear detection detector | |
| CN213475185U (en) | Special assembly and disassembly tools of heavy-duty water pump | |
| CN218665302U (en) | Hanging plate for expanding excavation of diversion surge shaft | |
| CN207684733U (en) | A kind of lifting hook pulley of crane | |
| CN211198325U (en) | Hoisting device for horizontally hoisting heavy object | |
| CN109356445A (en) | A kind of robot protective fence convenient for assembly | |
| CN212494695U (en) | Bending machine device for manhole cover surrounding plate | |
| RU116265U1 (en) | INTERNAL PROTECTIVE SHELL OF THE BUILDING OF NPP REACTOR | |
| CN213923693U (en) | Protection device for vertical shaft construction well-bucket | |
| CN215364623U (en) | Anti-climbing device for tower crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |