CN208752971U - A kind of passive type guide upright post structure - Google Patents
A kind of passive type guide upright post structure Download PDFInfo
- Publication number
- CN208752971U CN208752971U CN201721862458.3U CN201721862458U CN208752971U CN 208752971 U CN208752971 U CN 208752971U CN 201721862458 U CN201721862458 U CN 201721862458U CN 208752971 U CN208752971 U CN 208752971U
- Authority
- CN
- China
- Prior art keywords
- lifting column
- reduction gearbox
- wheel
- guide rail
- guide cylinder
- 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
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
- Y02E30/30—Nuclear fission reactors
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model belongs to technical field of nondestructive testing, and in particular to a kind of passive type guide upright post structure.Including rack, reduction gearbox, guide cylinder, lifting column, upper end directive wheel and electromagnetic brake；The guide cylinder is connected with rack；Lifting column passes through guide cylinder and frame central, reduction gearbox is mounted on guide cylinder and rack gear engagement side, gear in reduction gearbox is engaged with the rack gear on lifting column, is equipped with electromagnetic brake in reduction gearbox side, can splice more piece lifting column or installation check tool in the lower end of lifting column.Checking tool may be implemented in the lifting in nuclear reactor pressure container tubular axis direction in the utility model, completes the inspection of pressure vessel different height position.
Description
Technical field
The utility model belongs to technical field of nondestructive testing, and in particular to a kind of passive type guide upright post structure.
Background technique
Nuclear reactor pressure container is the closed container for disposing nuclear reactor and bearing its huge operating pressure, and also referred to as core is anti-
Heap pressure vessel is answered, is the key equipment in pressurized-water reactor nuclear power plant, it is special to have that manufacturing technology standard is high, difficulty is big and the period is long etc.
Point, and be non-exchange equipment, it is necessary to assure it is perfectly safe reliable in lifetime of the nuclear power station more than 40 years.Reaction
Reactor core nuclear fuel assembly and in-pile component are fixed and contained to core pressure vessel, and the fission reaction of nuclear fuel is made to be limited in a sealing
Space in carry out, it is to prevent radioactive substance from leaking that it and primary coolant circuit pipe, which collectively constitute the pressure boundary of pressure coolant,
One of second barrier.
In nuclear power station operational process, reactor pressure vessel is in high temperature, high pressure, the high environment radiated.With operation
The metallicity of the increase of time, container material can gradually decrease, and metal discontinuity can also generate, so very it is necessary to right
Pressure vessel is detected, and to find defect risk therein in time, can be handled as early as possible, thus maintenance and guarantor
The safety for hindering nuclear power facility avoids the occurrence of serious safe operation and nuclear leakage accident.Therefore it is next real that a kind of device must be designed
The nondestructive inspection (NDI) of different height position in existing pressure vessel.
Utility model content
The purpose of this utility model is in view of the foregoing defects the prior art has, to provide a kind of passive type guide upright post knot
Structure, to realize that checking tool in the lifting in nuclear reactor pressure container tubular axis direction, completes pressure vessel different height position
The inspection set.
The technical solution of the utility model is as follows:
A kind of passive type guide upright post structure, including rack, reduction gearbox, guide cylinder, lifting column, upper end directive wheel and
Electromagnetic brake；
The guide cylinder is connected with rack；Lifting column passes through guide cylinder and frame central, and reduction gearbox is mounted on guide cylinder
Side is engaged with rack gear, the gear in reduction gearbox is engaged with the rack gear on lifting column, is equipped with electromagnetic system in reduction gearbox side
Dynamic device, can splice more piece lifting column or installation check tool in the lower end of lifting column.
A kind of passive type guide upright post structure, the reduction gearbox the inside is by being arranged on the gear and lifting column of side
Rack gear engagement, the reduction gearbox other side is provided with rotation axis, and rotation axis is connect with electromagnetic brake.
A kind of passive type guide upright post structure, uniformly distributed four direction face, direction face are logical around the guide cylinder
Screw connection installation reduction gearbox is crossed, upper end directive wheel is connected by screw on each direction face on the face of the other three direction and lower end is led
To wheel, upper end directive wheel is arranged in the outer upper end on each direction face, and lower end directive wheel is arranged in lower end.
A kind of passive type guide upright post structure is machined with rack gear on the lifting column, is separated by lifting column with rack gear
90 degree of uniformly distributed guide rails, guide rail and guide rail, rack gear are engaged with the gear in reduction gearbox, guide rail, guide rail, guide rail respectively with guide cylinder three
Upper and lower side directive wheel on a direction face holds out against cooperation；
A kind of passive type guide upright post structure, the upper end guiding on the guide cylinder both direction face adjacent with reduction gearbox
It is equipped on wheel by shaft and holds out against wheel position-limited wheel, the upper end directive wheel on another direction face is equipped with by shaft holds out against wheel
And position-limited wheel, the upper end directive wheel on the guide cylinder direction face opposite with reduction gearbox is equipped with by shaft holds out against wheel；
A kind of passive type guide upright post structure, under the action of the lifting column gravity, lifting column can pass through guiding
Cylinder and directive wheel are vertically lowered, and by controlling the brake force of electromagnetic brake and by reduction gearbox, control reduction of speed under lifting column
Degree when lifting column being needed to rise, pulls column to rise by the circular crane in nuclear island.
A kind of passive type guide upright post structure, it is described hold out against wheel, hold out against wheel and hold out against the corresponding lifting column that is pressed in of wheel lead
On the front end face of rail, guide rail and guide rail, position-limited wheel and position-limited wheel is corresponding holds out against on two sides of guide rail and guide rail.One kind
Passive type guide upright post structure, the rack are made of three or four supporting legs, when carrying out pressure vessel inspection, rack three
Item is evenly distributed with supporting leg or four uniformly distributed supporting leg supports are located on pressure container flange face.
A kind of passive type guide upright post structure, it is characterised in that: the guide cylinder uses rectangular tube or round tube structure.This
The beneficial effect of utility model is:
(1) lifting column is fixed on pressure vessel by three supporting legs or four supporting leg racks, lifting column and pressure vessel
Cylinder concentric locating.Equipment connects guide cylinder and lifting column by three supporting legs or four supporting leg racks, and lifting column passes through guiding
Cylinder and frame central, rack supporting leg are supported on pressure container flange face, guarantee that lifting column is concentric fixed with pressure container cylinder
Position.
(2) lifting column guiding performance guarantees the guiding accuracy of vertical direction by the uniformly distributed directive wheel of tripartite.Lifting column
Cooperation is held out against respectively at the directive wheel of two sides up and down on three faces of guide cylinder by three uniformly distributed guide rails, guarantees column up-down mistake
Vertical precision and stability in journey.
(3) by control electromagnetic brake, lifting column decrease speed is controlled.By single control electromagnetic brake, lead to
Reduction gearbox is crossed, using the gravity of lifting column itself, realizes the decrease speed control of lifting column, can also be as needed,
The driving units such as Matching installation motor in the reduction gearbox other side.
Detailed description of the invention
Fig. 1 is a kind of passive type guide upright post structure chart described in the utility model；
Fig. 2 is that a kind of passive type guide upright post structure described in the utility model arranges top view；
Fig. 3 is a kind of passive type guide upright post guide frame sectional view described in the utility model.
In figure: 1, rack；2, reduction gearbox；3, guide cylinder；4, lifting column；5, upper end directive wheel；6, electromagnetic brake；
7, lower end directive wheel；8, rack gear；9, guide rail A；10, guide rail B；11, guide rail C；12 directive wheels；13, wheel is held out against；14, position-limited wheel A；
15, wheel is held out against；16, position-limited wheel B；17, wheel is held out against.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
A kind of passive type guide upright post structure, main rack 1, reduction gearbox 2, guide cylinder 3, lifting column 4, upper end directive wheel
5 and electromagnetic brake 6 form.
Rack 1 is made of three or four supporting legs, when carrying out pressure vessel inspection, rack 1 three uniformly distributed supporting legs or
Four uniformly distributed supporting leg supports are located on pressure container flange face.
It is engaged by the way that the gear of side is arranged in the rack gear 8 on lifting column 4 inside reduction gearbox 2,2 other side of reduction gearbox
It is provided with rotation axis, rotation axis is connect with electromagnetic brake 6.
Guide cylinder 3 uses rectangular tube or round tube structure, uniformly distributed four direction face, a direction around guide cylinder 3
Face is connected by screw to installation reduction gearbox 2, is connected by screw to 5 He of upper end directive wheel on each direction face on the face of the other three direction
Upper end directive wheel 5 is arranged in lower end directive wheel 7, the outer upper end on each direction face, and lower end directive wheel 7 is arranged in lower end.
Be machined with rack gear 8 on lifting column 4, be separated by lifting column 4 with rack gear 90 degree of uniformly distributed guide rail A9, guide rail B10 and
Guide rail C11, rack gear 8 are engaged with the gear in reduction gearbox 2, guide rail A9, guide rail B10, guide rail C11 respectively with 3 three sides of guide cylinder
Upper and lower side directive wheel on face holds out against cooperation.Upper end directive wheel 5 on the both direction face adjacent with reduction gearbox 2 of guide cylinder 3
Upper be equipped with by shaft holds out against 13 position-limited wheel A14 of wheel, and the upper end directive wheel 5 on another direction face is equipped with by shaft
15 and position-limited wheel B16 of wheel is held out against, the upper end directive wheel 5 on the direction face opposite with reduction gearbox 2 of guide cylinder 3 is equipped with by shaft
Hold out against wheel 17.
Wheel 13 is held out against, wheel 15 is held out against and holds out against wheel 17 and corresponding is pressed in 4 guide rail A9 of lifting column, guide rail B10 and guide rail
On the front end face of C11, position-limited wheel A14 and position-limited wheel B16 is corresponding holds out against on two sides guide rail A9 and guide rail C11.
Guide cylinder 3 is connected with 1 connecting welding of rack or screw.Lifting column 4 passes through 1 center of guide cylinder 3 and rack, subtracts
Fast case 2 is mounted on guide cylinder 3 and rack gear 8 engages side, and the gear in reduction gearbox 2 is engaged with the rack gear 8 on lifting column 4,
2 side of reduction gearbox is equipped with electromagnetic brake 6, can splice more piece lifting column or installation check in the lower end of lifting column 4
Tool.Under the action of column gravity, lifting column 4 can be vertically lowered by guide cylinder 3 and directive wheel 4, by controlling electromagnetism
The brake force of brake 6 and by reduction gearbox 2, controls 4 decrease speed of lifting column.When lifting column 4 being needed to rise, pass through core
Circular crane in island pulls column to rise.
When carrying out pressure vessel nondestructive inspection (NDI), rack is located in using three uniformly distributed supporting legs or four uniformly distributed supporting leg supports
On pressure container flange face, lifting column passes through guide cylinder and frame central, and under the action of column gravity, column can be by leading
It is vertically lowered to cylinder and directive wheel, by controlling the brake force of electromagnetic brake and by reduction gearbox, control lifting column decline
Speed.When lifting column being needed to rise, column is pulled to rise by the circular crane in nuclear island.It can be in the lower end of lifting column
Splice more piece column or installation check tool, realizes the inspection of pressure vessel different height position.
Claims (8)
1. a kind of passive type guide upright post structure, including rack (1), reduction gearbox (2), guide cylinder (3), lifting column (4), upper end
Directive wheel (5) and electromagnetic brake (6)；
It is characterized by: the guide cylinder (3) and rack (1) connection；Lifting column (4) passes through in guide cylinder (3) and rack (1)
The heart, reduction gearbox (2) is mounted on guide cylinder (3) and rack gear (8) engages side, on the gear and lifting column (4) in reduction gearbox (2)
Rack gear (8) engagement, electromagnetic brake (6) are installed in reduction gearbox (2) side, can be spliced in the lower end of lifting column (4)
More piece lifting column or installation check tool；
First holds out against wheel (13), second holds out against wheel (15) and third holds out against that wheel (17) is corresponding to be pressed in lifting column (4) guide rail A
(9), on the front end face of guide rail B (10) and guide rail C (11), position-limited wheel A (14) and position-limited wheel B (16) is corresponding holds out against in guide rail A
(9) and on (11) two sides guide rail C.
2. a kind of passive type guide upright post structure as described in claim 1, it is characterised in that: logical inside the reduction gearbox (2)
It crosses and the gear of side is set is engaged with the rack gear (8) on lifting column (4), reduction gearbox (2) other side is provided with rotation axis, turns
Moving axis is connect with electromagnetic brake (6).
3. a kind of passive type guide upright post structure as described in claim 1, it is characterised in that: the week in the guide cylinder (3)
Uniformly distributed four direction face is enclosed, direction face is connected by screw to installation reduction gearbox (2), each direction face on the face of the other three direction
On be connected by screw to upper end directive wheel (5) and lower end directive wheel (7), outer upper end on each direction face setting upper end is oriented to
It takes turns (5), lower end directive wheel (7) are arranged in lower end.
4. a kind of passive type guide upright post structure as described in claim 1, it is characterised in that: add on the lifting column (4)
Work has rack gear (8), is separated by 90 degree of uniformly distributed guide rail A (9), guide rail (10) B and guide rail C (11), rack gear on lifting column (4) with rack gear
(8) engaged with the gear in reduction gearbox (2), guide rail A (9), guide rail B (10), guide rail C (11) respectively with (3) three sides of guide cylinder
Upper and lower side directive wheel (7) on face holds out against cooperation.
5. a kind of passive type guide upright post structure as described in claim 1, it is characterised in that: the guide cylinder (3) and deceleration
First, which is equipped with, by shaft on upper end directive wheel (5) on the adjacent both direction face of case (2) holds out against wheel (13) position-limited wheel
(14), the upper end directive wheel (5) on another direction face is equipped with second by shaft and holds out against wheel (15) and position-limited wheel B (16),
Upper end directive wheel (5) on guide cylinder (3) and reduction gearbox (2) opposite direction face is equipped with third by shaft and holds out against wheel
(17)。
6. a kind of passive type guide upright post structure as claimed in claim 4, it is characterised in that: in the lifting column (4) weight
Under the action of power, lifting column (4) can be vertically lowered by guide cylinder (3) and upper end directive wheel (5) and lower end directive wheel (7),
By controlling the brake force of electromagnetic brake (6) and by reduction gearbox (2), lifting column (4) decrease speed is controlled, needs to go up and down
When column (4) rises, column is pulled to rise by the circular crane in nuclear island.
7. a kind of passive type guide upright post structure as described in claim 1-6 any one claim, it is characterised in that: institute
Rack (1) is stated to be made of three or four supporting legs, when carrying out pressure vessel inspection, rack (1) three uniformly distributed supporting leg or four
Item is evenly distributed with supporting leg support and is located on pressure container flange face.
8. a kind of passive type guide upright post structure as described in claim 1-6 any one claim, it is characterised in that: institute
Guide cylinder (3) are stated using rectangular tube or round tube structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862458.3U CN208752971U (en) | 2017-12-27 | 2017-12-27 | A kind of passive type guide upright post structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862458.3U CN208752971U (en) | 2017-12-27 | 2017-12-27 | A kind of passive type guide upright post structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208752971U true CN208752971U (en) | 2019-04-16 |
Family
ID=66051756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721862458.3U Active CN208752971U (en) | 2017-12-27 | 2017-12-27 | A kind of passive type guide upright post structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208752971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979628A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of passive type guide upright post structure |
-
2017
- 2017-12-27 CN CN201721862458.3U patent/CN208752971U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979628A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of passive type guide upright post structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203465957U (en) | Device for checking reactor pressure vessel of nuclear power station | |
| CN104269197B (en) | The checking device of a kind of refuelling system in liquid heavy metal reactor and method of work thereof | |
| JP5816223B2 (en) | System for processing irradiation targets through multiple instrumentation guide tubes in a nuclear reactor | |
| CN203688467U (en) | Nuclear rod end plug weld joint X-ray digital imaging and CT detection precision machinery device | |
| KR102181790B1 (en) | Apparatus and method for removing the upper internals from a nuclear reactor pressurized vessel | |
| CN208752971U (en) | A kind of passive type guide upright post structure | |
| KR20150004418A (en) | A method of refueling a nuclear reactor | |
| CN102507610B (en) | Automatic ray inspection arm for circumferential weld seam of pipe body | |
| KR102208215B1 (en) | Method and apparatus for the shielded relocation of a nuclear component | |
| CN105810259B (en) | A kind of HTGR reactor pressure vessel check device | |
| US3762993A (en) | Apparatus for detecting reactor fuel tube failures | |
| US3072549A (en) | Neutronic reactor | |
| GB2533735A (en) | Device for checking reactor pressure vessel of nuclear power station | |
| CN104464849A (en) | Device for checking reactor pressure vessel of nuclear power station | |
| CN208000750U (en) | A kind of swimming pool formula atmospheric low-temperature process heat reactor fuel handling system | |
| CN109979628A (en) | A kind of passive type guide upright post structure | |
| CN208654066U (en) | A kind of X-ray digital imaging detection system for nuclear fuel rod non-destructive testing | |
| JPWO2013114548A1 (en) | Reactor vessel lid WJP construction method and jig | |
| CN109599200B (en) | Automatic pellet tube loading device for pressurized water reactor | |
| CN102590847B (en) | Special gamma scanning measuring system for hot chamber and installation method thereof | |
| CN107703171B (en) | Sample injector for reactor irradiation samples | |
| CN201886790U (en) | Automatic shifting platform for welding inspection of adapter of pressure vessel | |
| CN114155989A (en) | Neutron source system | |
| CN209119215U (en) | Vacuum electrolyte filling device | |
| CN109817359A (en) | A kind of circumferential trolley for Fusion-fission covering refuelling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |