CN110371879A - A kind of device and method for the installation of nuclear power plant's in-pile instrument - Google Patents
A kind of device and method for the installation of nuclear power plant's in-pile instrument Download PDFInfo
- Publication number
- CN110371879A CN110371879A CN201910761585.1A CN201910761585A CN110371879A CN 110371879 A CN110371879 A CN 110371879A CN 201910761585 A CN201910761585 A CN 201910761585A CN 110371879 A CN110371879 A CN 110371879A
- Authority
- CN
- China
- Prior art keywords
- instrument
- pile
- installation
- rope
- pile instrument
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0116—Manually or spring operated winches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
A kind of device and method for the installation of nuclear power plant's in-pile instrument, belongs to nuclear power plant's in-pile instrument mounting technique field.The device of the invention packet instrument clamp, traction rope, auxiliary rope, pulley, crane hook, pulley fixed rope；Traction rope connects instrument clamp by pulley, and auxiliary rope connects instrument clamp and crane hook, and pulley fixed rope connects pulley and crane hook.Method of the invention mainly passes through instrument clamp fixed nuclear core instrument, slings in-pile instrument by lifting appliance, then by lifting appliance and the operation to traction rope, so that in-pile instrument is fallen and is inserted into reactor core.The present invention can effectively improve the convenience of in-pile instrument installation, while the quality and safety for ensuring to install.
Description
Technical field
The present invention relates to nuclear power plant's in-pile instrument mounting technique fields, more particularly to a kind of nuclear power plant's in-pile instrument that is used for pacify
The device and method of dress.
Background technique
The in-pile instrument of nuclear power plant is for monitoring reactor core outlet temperature and reactor core Neutron flux distribution, AP1000 heap
Core instrument directly contacts with primary Ioops at the top of reactor pressure vessel, is the pressure boundary of primary Ioops, the peace of in-pile instrument
The safety of packing quality and nuclear power station is closely bound up, therefore the quality control of in-pile instrument during the installation process is most important.
Domestic now widely used two generations nuclear reactor art, core exit temperature measurement and neutron measurement are provided separately
, neutron measurement instrument about 2m is to be inserted into from the lower end of reactor, and is removable plug-in type, and the when insertion for needing to measure is anti-
Heap is answered, extraction heap when not measuring.Since instrument is very short, instrument installation does not need special mounting process.And
AP1000 in-pile instrument other heap-type instrument different from the past, structure is more special, outlet temperature measurement and neutron moisture quantity set
At together, instrument is in thin rod shape, and length 11m is inserted into reactor core by reactor top.Instrument need from horizontality adjust to
Heeling condition, then again then vertical lifting is slowly manually inserted into reactor core.Because of small (the sensitive member of instrument diameter during adjustment
Part section diameter 9mm), it is easily bent deformation, the excessive stainless steel armouring rupture for being easy to cause gauge external is deformed, even results in
Internal sensing element, transfer wire are impaired, to influence the quality of instrument.So existing in-pile instrument installation difficulty is very big,
And in-pile instrument installation quality and safety be difficult to ensure.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems of the prior art, provide a kind of for nuclear power plant's reactor core instrument
The device and method of table installation, the quality and peace that the convenience of in-pile instrument installation can be effectively improved, while ensuring to install
Quan Xing.
The purpose of the present invention is what is be achieved through the following technical solutions:
It is a kind of for nuclear power plant's in-pile instrument installation device, including instrument clamp, traction rope, auxiliary rope, pulley, crane hook,
Pulley fixed rope；The traction rope connects instrument clamp, the auxiliary rope connection instrument clamp and crane hook by pulley, described
Pulley fixed rope connects pulley and crane hook.
Present apparatus structure is simple, easy to use, by instrument clamp fixed nuclear core instrument, by lifting appliance by reactor core instrument
Table is sling, and then by lifting appliance and the operation to traction rope, so that in-pile instrument is fallen and is inserted into reactor core.
Preferably as the present invention, the instrument clamp includes platform sling, two pieces of folders being detachably connected below platform sling
More lifting ropes of plate, the connection platform sling and two clamping plates；The middle part of two pieces of clamping plate abutment ends is equipped with instrument fixation hole.Institute
It states instrument clamp and in-pile instrument is clamped by fixation by the instrument fixation hole between two clamping plates, and the setting of platform sling ensures
The relative stability of position between more lifting ropes.
Preferably as the present invention, it is connected at least two groups between two pieces of clamping plates and is distributed in instrument fixation hole two sides
Bolt and nut component.The structure that is connected and fixed is convenient for disassembly and assembly, while stability is reliable.
Preferably as the present invention, the more lifting ropes are extend out to above the platform sling, and the more lifting rope upper ends connections
In hanging ring；The traction rope and auxiliary rope are all connected to the hanging ring.The structure is convenient for the connection of traction rope and auxiliary rope.
Preferably as the present invention, the lifting rope is connected to the clamping plate by bolt and nut component.The structure ensures
The stability that lifting rope is connect with clamping plate.
The present invention also provides a kind of methods for the installation of nuclear power plant's in-pile instrument, using as described above for nuclear power plant
The device of in-pile instrument installation, includes the following steps:
Step 1, in-pile instrument is fixed in the instrument clamp, and crane hook is connected by lifting appliance, by in-pile instrument
It slings to vertical state；
Step 2, it controls in-pile instrument by lifting appliance to fall, until below instrument installation site at the first height；
Step 3, traction rope is pulled increase in-pile instrument, until above installation site at the second height；
Step 4, slow release traction rope, while in-pile instrument is gradually inserted into reactor core, until auxiliary rope will stretch；
Step 5, the crane hook is controlled by lifting appliance to fall, while pulling traction rope, so that the height of in-pile instrument
Position remains unchanged, and stops before instrument clamp encounters pulley；
Step 6, slow release traction rope, while in-pile instrument is gradually inserted into reactor core, until auxiliary rope will stretch；
Step 7, step 5 ~ 6 are repeated, until in-pile instrument is fully inserted into reactor core；
First height is greater than second height, keeps in-pile instrument to be in perpendicular in the installation process of entire in-pile instrument whereabouts
Straight state.
As it is of the invention preferably, the step 1 specifically: first lift in-pile instrument to overturning scaffold, then by instrument
Fixture fixes in-pile instrument suspension centre, then connects crane hook by lifting appliance, in-pile instrument is slowly sling, hoisting process
In buttress in-pile instrument until vertical state.
Preferably as the present invention, first height is 0.8m-1.2m.
Preferably as the present invention, second height is 0.08m-0.12m.
The invention has the advantages that the structure of device is simple, cost is relatively low, and operates easy to get started, effectively increases reactor core
The efficiency and quality of instrument installation, the safety problems such as avoid instrument bending deformation and damage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of the invention；
Fig. 2 is the flow chart of the method for the present invention.
11- platform sling；12- clamping plate；13- lifting rope；14- hanging ring；2- traction rope；3- auxiliary rope；4- pulley；5- crane hook；6-
Instrument fixation hole；7- pulley fixed rope.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
It is a kind of for nuclear power plant's in-pile instrument installation device, including instrument clamp, traction rope 2, auxiliary rope 3, pulley 4,
Crane hook 5, pulley fixed rope 7；The traction rope 2 connects instrument clamp by pulley 4, and the auxiliary rope 3 connects instrument clamp
With crane hook 5, the pulley fixed rope 7 connects pulley 4 and crane hook 5.
Specifically, the instrument clamp include platform sling 11, set on the lower section of platform sling 11 two pieces of clamping plates 12 being detachably connected,
Connect more lifting ropes 13 of the platform sling 11 and two clamping plates 12；The middle part of two pieces of 12 abutment ends of clamping plate is fixed equipped with instrument
Hole 6.In-pile instrument is clamped fixation by the instrument fixation hole between two clamping plates by the instrument clamp, and platform sling is set
Set the relative stability for ensuring position between more lifting ropes.And at least two groups are connected between two pieces of clamping plates 12 and are distributed in
The bolt and nut component of 6 two sides of instrument fixation hole.The structure that is connected and fixed is convenient for disassembly and assembly, while stability is reliable.
In addition, the more lifting ropes 13 extend out to 11 top of platform sling, and more 13 upper ends of lifting rope are connected to and hang
Ring 14；The traction rope 2 and auxiliary rope 3 are all connected to the hanging ring 14.The structure is convenient for the connection of traction rope and auxiliary rope.
The lifting rope 13 is connected to the clamping plate 12 by bolt and nut component.The structure ensures the stabilization that lifting rope is connect with clamping plate
Property.
The application method of the present apparatus is as follows:
A method of it installs, includes the following steps: for nuclear power plant's in-pile instrument
Step 1, first in-pile instrument is lifted to overturning scaffold, then instrument clamp is fixed into in-pile instrument suspension centre, then led to
Lifting appliance connection crane hook 5 is crossed, in-pile instrument is slowly sling, in-pile instrument is buttressed in hoisting process until vertical state；
During this, auxiliary rope 3 is in straight configuration, and traction rope 2 is in relaxed state；
Step 2, it controls in-pile instrument by lifting appliance to fall, until below instrument installation site at 1m；To give subsequent operation
(pull-up and release) traction rope reserves operating space appropriate, and ensure that release traction rope can insert in-pile instrument for the first time
Enter the length of reactor core, to ensure the efficiency installed；
Step 3, traction rope 2 is pulled increase in-pile instrument, until above installation site at 0.1m；It is empty to reserve height appropriate
Between, in order to which operator adjusts the position of in-pile instrument, so that its installing port for being directed at reactor core, guarantees the matter of subsequent installation
Amount；
Step 4, slow release traction rope 2, while in-pile instrument is gradually inserted into reactor core, until auxiliary rope 3 will stretch；It avoids
It is to avoid crane hook from producing when surprisingly shaking to in-pile instrument to act stationary point surplus to crane hook that auxiliary rope stretches completely
It gives birth to stress and damages instrument；
Step 5, the crane hook 5 is controlled by lifting appliance to fall, while pulling traction rope 2, so that the height of in-pile instrument
Degree position remains unchanged, and stops before instrument clamp encounters pulley 4；
Step 6, slow release traction rope 2, while in-pile instrument is gradually inserted into reactor core, until auxiliary rope 3 will stretch；
Step 7, step 5 ~ 6 are repeated, until in-pile instrument is fully inserted into reactor core；
It keeps in-pile instrument in a vertical state in the installation process of entire in-pile instrument whereabouts, to ensure installation quality, keeps away simultaneously
Exempt from instrument damage.
The foregoing is only a preferred embodiment of the present invention, the specific embodiment is whole based on the present invention
A kind of implementation under design, and scope of protection of the present invention is not limited thereto, any skill for being familiar with the art
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by art personnel, should all cover in protection of the invention
Within the scope of.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (9)
1. it is a kind of for nuclear power plant's in-pile instrument installation device, which is characterized in that including instrument clamp, traction rope, auxiliary rope,
Pulley, crane hook, pulley fixed rope；The traction rope connects instrument clamp by pulley, and the auxiliary rope connects instrument clamp
With crane hook, the pulley fixed rope connection pulley and crane hook.
2. the device according to claim 1 for the installation of nuclear power plant's in-pile instrument, which is characterized in that the instrument clamp
More lifting ropes of clamping plate, the connection platform sling and two clamping plates that two pieces including platform sling, below platform sling are detachably connected；
The middle part of two pieces of clamping plate abutment ends is equipped with instrument fixation hole.
3. the device according to claim 2 for the installation of nuclear power plant's in-pile instrument, which is characterized in that two pieces of clamping plates
Between be connected with the bolt and nut component that at least two groups are distributed in instrument fixation hole two sides.
4. the device according to claim 2 for the installation of nuclear power plant's in-pile instrument, which is characterized in that the more lifting ropes
It extend out to above the platform sling, and the more lifting rope upper ends are connected to hanging ring；The traction rope and auxiliary rope are all connected to institute
State hanging ring.
5. the device according to claim 2 for the installation of nuclear power plant's in-pile instrument, which is characterized in that the lifting rope passes through
Bolt and nut component is connected to the clamping plate.
6. a kind of method for the installation of nuclear power plant's in-pile instrument, using as described in claim 1 for nuclear power plant's reactor core instrument
The device of table installation, which comprises the steps of:
Step 1, in-pile instrument is fixed in the instrument clamp, and crane hook is connected by lifting appliance, by in-pile instrument
It slings to vertical state；
Step 2, it controls in-pile instrument by lifting appliance to fall, until below instrument installation site at the first height；
Step 3, traction rope is pulled increase in-pile instrument, until above installation site at the second height；
Step 4, slow release traction rope, while in-pile instrument is gradually inserted into reactor core, until auxiliary rope will stretch；
Step 5, the crane hook is controlled by lifting appliance to fall, while pulling traction rope, so that the height of in-pile instrument
Position remains unchanged, and stops before instrument clamp encounters pulley；
Step 6, slow release traction rope, while in-pile instrument is gradually inserted into reactor core, until auxiliary rope will stretch；
Step 7, step 5 ~ 6 are repeated, until in-pile instrument is fully inserted into reactor core；
First height is greater than second height, keeps in-pile instrument to be in perpendicular in the installation process of entire in-pile instrument whereabouts
Straight state.
7. the method according to claim 6 for the installation of nuclear power plant's in-pile instrument, which is characterized in that step 1 tool
Body are as follows: first in-pile instrument is lifted to overturning scaffold, then instrument clamp is fixed into in-pile instrument suspension centre, then passes through lifting
Equipment connects crane hook, and in-pile instrument is slowly sling, and in-pile instrument is buttressed in hoisting process until vertical state.
8. the method according to claim 6 for the installation of nuclear power plant's in-pile instrument, which is characterized in that first height
For 0.8m-1.2m.
9. the method according to claim 6 for the installation of nuclear power plant's in-pile instrument, which is characterized in that second height
For 0.08m-0.12m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910761585.1A CN110371879A (en) | 2019-08-19 | 2019-08-19 | A kind of device and method for the installation of nuclear power plant's in-pile instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910761585.1A CN110371879A (en) | 2019-08-19 | 2019-08-19 | A kind of device and method for the installation of nuclear power plant's in-pile instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110371879A true CN110371879A (en) | 2019-10-25 |
Family
ID=68259609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910761585.1A Pending CN110371879A (en) | 2019-08-19 | 2019-08-19 | A kind of device and method for the installation of nuclear power plant's in-pile instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110371879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111302255A (en) * | 2020-02-11 | 2020-06-19 | 三门核电有限公司 | Chain block capable of electrically pulling zipper |
-
2019
- 2019-08-19 CN CN201910761585.1A patent/CN110371879A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111302255A (en) * | 2020-02-11 | 2020-06-19 | 三门核电有限公司 | Chain block capable of electrically pulling zipper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110371879A (en) | A kind of device and method for the installation of nuclear power plant's in-pile instrument | |
| CN202061286U (en) | Hanging device of safety belt for overhauling transformer | |
| CN105092395B (en) | A kind of device for increasing the load of horizontal impact testing stand | |
| CN105775991A (en) | Large-diameter tube bundle hoisting assembly tooling and using method thereof | |
| CN203382365U (en) | Lifting appliance system for lifting thin, long and thin-wall equipment integrally | |
| CN209075909U (en) | Aerial work safety belt suspension arrangement | |
| CN204788876U (en) | Electromagnetism hangs formula of putting drop test platform | |
| CN209957207U (en) | Unhooking device for hoisting steel structure stand column | |
| CN209306822U (en) | A kind of mechanical hoisting clamping device | |
| CN211141387U (en) | Device for installing reactor core instrument of nuclear power plant | |
| CN104030176B (en) | The equalizer bar of hoisting platform truss and hanging method thereof | |
| CN201611741U (en) | Lifting device used for power equipment | |
| CN207404702U (en) | A kind of security grabhook of derrick crane | |
| CN212514068U (en) | Elevator well baffle impact test frame | |
| CN205170241U (en) | Hold in palm rope ware and jib loading boom safety rope structure | |
| CN204910543U (en) | Prevent high iron tower climbing device that weighs down | |
| CN208378184U (en) | A kind of lifting suspension arrangement suitable for low temperature environment | |
| CN207312920U (en) | The suspender of steel containment vessel in nuclear power station | |
| CN207588325U (en) | Highly adjustable anti-fall aerial work platform | |
| CN209601929U (en) | A kind of suspender for wind power flange and tower welding group pair | |
| CN110963433B (en) | Installation method of reactor core nuclear measuring instrument | |
| CN208202573U (en) | A kind of cup core form removable device | |
| CN213387395U (en) | Ultraviolet disinfection equipment installation hoist | |
| CN215854596U (en) | Hanger type chain connection scale testing lifting appliance | |
| CN204824952U (en) | Water -cooling fire door of converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |