CN209401332U - A kind of nuclear reactor pressure container check device hoisting mechanism - Google Patents
A kind of nuclear reactor pressure container check device hoisting mechanism Download PDFInfo
- Publication number
- CN209401332U CN209401332U CN201822159057.2U CN201822159057U CN209401332U CN 209401332 U CN209401332 U CN 209401332U CN 201822159057 U CN201822159057 U CN 201822159057U CN 209401332 U CN209401332 U CN 209401332U
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- Prior art keywords
- hoisting mechanism
- cylinder
- main body
- check device
- nuclear reactor
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- 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.)
- Withdrawn - After Issue
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 10
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model belongs to nuclear reactor pressure container nondestructive inspection (NDI) and maintenance technique field, more particularly to a kind of nuclear reactor pressure container check device hoisting mechanism and implementation method, purpose be in order to realize nuclear reactor pressure container check equipment remote auto hook and it is automatically-unhooked, the utilization rate of circular crane is improved, operator's radiation risk is reduced.It is characterized in that, it includes check lock lever, hoisting mechanism main body, cylinder block, cylinder and side guide plate;It is machined with the hole for hoist connecting with suspension hook in hoisting mechanism body top, the guide groove matched with pressure vessel check device lifting part is processed in hoisting mechanism lower body part, a locking pin connecting hole is machined at guide groove;Cylinder is connect by cylinder block with hoisting mechanism main body, and installation locking bar on cylinder rod, guide groove two sides are equipped with two pieces of side guide plates below hoisting mechanism main body.
Description
Technical field
The utility model belongs to nuclear reactor pressure container nondestructive inspection (NDI) and maintenance technique field, and in particular to a seed nucleus is anti-
Answer core pressure vessel check device hoisting mechanism and implementation method.
Background technique
Nuclear reactor pressure container is used to dispose nuclear reactor and bears the closed container of its huge operating pressure, also referred to as instead
Answer heap pressure vessel.Reactor used in nuclear power station mainly has light water reactor, heavy water reactor, air cooled reactor and fast reactor etc..Due to pressure vessel
Active region and other necessaries of reactor are contained, structure type is different with different heap-type.
Nuclear reactor pressure container is located at reactor building center, when design mainly consider primary Ioops coolant high pressure and
The effects of high temperature, main pipeline fracture accident and earthquake.Since the reaction reator body radioactivity that pressure vessel is accommodated is extremely strong, therefore
Material requirement, production, inspection and inservice inspection etc. are all more more strict than traditional pressure vessel
Nuclear reactor pressure container belongs to nuclear power plant's key equipment, according to legal provisions, it is necessary to periodically checked, due to
Nuclear reactor pressure container inspection area is distributed more widely, and the scope of examination is more, more when carrying out nuclear reactor pressure container inspection
Using big type checking equipment.When carrying out inservice inspection, since radiation environment influences, when equipment installation and disassembly lift, operation
Personnel can not operate long-time operation on suspension bridge above pressure container flange face and pressure vessel, and check that equipment distance is mobile
Table length of the bridge is from farther out.When lifting inspection equipment using circular crane, the fast automatic hook for checking equipment and unhook cannot achieve,
Affect the use of circular crane.It is remotely quick therefore, it is necessary to design a kind of achievable nuclear reactor pressure container check device
The mechanism and operating method of lifting.
Utility model content
The purpose of this utility model be in order to realize nuclear reactor pressure container check equipment remote auto hook and from
It is dynamic to break off relations, the utilization rate of circular crane is improved, operator's radiation risk is reduced, designs a kind of nuclear reactor pressure container inspection
Device hoisting mechanism.
The utility model is realized in this way:
A kind of nuclear reactor pressure container check device hoisting mechanism, including check lock lever, hoisting mechanism main body, cylinder block,
Cylinder and side guide plate;The hole for hoist connecting with suspension hook is machined in hoisting mechanism body top, under hoisting mechanism main body
Portion processes the guide groove matched with pressure vessel check device lifting part, and a locking pin connection is machined at guide groove
Hole;Cylinder is connect by cylinder block with hoisting mechanism main body, and installation locking bar on cylinder rod is oriented to below hoisting mechanism main body
Slot two sides are equipped with two pieces of side guide plates.
Hoisting mechanism main body generally prismatoid, the hole for hoist on top as described above opens up in the horizontal direction, lower part
Guide groove opens up from bottom to top in lower end surface;Locking pin connecting hole is opened up in the horizontal direction in the arranged on left and right sides of guide groove, is used for
Across check lock lever.
The generally hollow cuboid of cylinder block as described above, left end are fixed on hoisting mechanism main body locking pin connection
The right end in hole, for fixing cylinder.
Cylinder as described above is fixed on cylinder block right end, and cylinder rod protrudes into the inside of cylinder block, for driving check lock lever
Movement.
Check lock lever generally cylindrical as described above, right end are fixed on cylinder rod, left under the drive of cylinder rod,
Right movement.
Side guide plate as described above is rectangle tabular, altogether there are two, before hoisting mechanism main body guide groove is set,
Two sides afterwards, for playing the guiding role to pressure vessel check device lifting part and being lifted to check lock lever and pressure vessel check device
Part is protected.
Check lock lever, hoisting mechanism main body, cylinder block, cylinder and side guide plate as described above are all made of stainless steel material
It is made.
The beneficial effects of the utility model are:
Using 1 structure feature of lifting part, by hoisting mechanism main body 4 be processed into lifting part 1 can fit structure, in hoisting machine
4 two sides of structure main body are equipped with side guide plate 7.Cooperated by the two, realizes that crane and the remote of pressure vessel check device are determined
Position.It is remotely located quick and precisely, provides safety guarantee for subsequent locking connection.
The long-range connection of hoisting mechanism 20 and pressure vessel check device is realized by remotely controlling cylinder 6.It is easy to operate,
Securely and reliably, reduce working time of the operator under radiation environment, improve lifting efficiency.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the utility model;
Fig. 2 is the front sectional view of the utility model;
Fig. 3 is the right view of the utility model;
Fig. 4 is the right side view of the utility model;
Wherein: 1. pressure vessel check device lifting parts, 2. check device hoisting mechanisms, 3. check lock levers, 4. hoisting mechanisms
Main body, 5. cylinder connection pieces, 6. cylinders, 7. side guide plates.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figures 1 to 4, a kind of nuclear reactor pressure container check device hoisting mechanism, including check lock lever 3, lifting
Mechanism body 4, cylinder block 5, cylinder 6 and side guide plate 7.The shape and structure of hoisting mechanism main body 4 are examined according to pressure vessel
The decision of 1 structure feature of device lifting part is looked into, the hole for hoist connecting with suspension hook is machined on 4 top of hoisting mechanism main body, is lifting
4 lower part of mechanism body processes the guide groove matched with pressure vessel check device lifting part 1, and one is machined at guide groove
Locking pin connecting hole.Cylinder 6 is connect by cylinder block 5 with hoisting mechanism main body 4, installation locking bar 3 on cylinder rod, in hoisting machine
4 lower section guide groove two sides of structure main body are equipped with two pieces of side guide plates 7.
The generally prismatoid of hoisting mechanism main body 4, the hole for hoist on top open up in the horizontal direction, the guiding of lower part
Slot opens up from bottom to top in lower end surface.Open up locking pin connecting hole in the horizontal direction in the arranged on left and right sides of guide groove, for across
Check lock lever 3.
The generally hollow cuboid of the cylinder block 5, left end are fixed on 4 locking pin connecting hole of hoisting mechanism main body
Right end, for fixing cylinder 6.
The cylinder 6 is fixed on 5 right end of cylinder block, and cylinder rod protrudes into the inside of cylinder block 5, for driving check lock lever 3
Movement.
The generally cylindrical of check lock lever 3, right end is fixed on cylinder rod, left and right under the drive of cylinder rod
Movement.
The side guide plate 7 be rectangle tabular, altogether there are two, the forward and backward of 4 guide groove of hoisting mechanism main body is set
Two sides, for playing the guiding role to pressure vessel check device lifting part 1 and being lifted to check lock lever 3 and pressure vessel check device
Part 1 is protected.
In the present embodiment, check lock lever 3, hoisting mechanism main body 4, cylinder block 5, cylinder 6 and side guide plate 7 are all made of not
Rust Steel material is made.
When being lifted, cylinder 6 is in retracted mode, passes through the hole for hoist in hoisting mechanism main body 4 using crane
Hoisting mechanism 2 is moved to 1 top of pressure vessel check device lifting part by connection, and overhead crane control hoisting mechanism 2 slowly falls,
By the guide groove and two sides guide plate 7 in hoisting mechanism main body 4, hoisting mechanism 2 and pressure vessel check device lifting part 1
Cooperation, 6 extending action of cylinder push check lock lever 3 to pass through pressure vessel check device lifting part 1, and hoisting mechanism 2 and pressure are held
Device check device lifting part 1 connects, and completes the connection of crane and pressure vessel check device lifting part 1.When pressure vessel inspection
After device lifting in place, when needing to break off relations to hoisting mechanism 2,6 retract action of cylinder is controlled, check lock lever 3 retracts, hoisting machine
Structure 2 and pressure vessel check device are connectionless, jenny, i.e. completion hoisting mechanism 2 and pressure vessel check device lifting part 1
Unhook movement.
It is explained in detail above in conjunction with implementation method of the embodiment to utility model, but utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of various changes can be made.The content being not described in detail in the utility model specification can use the prior art.
Claims (7)
1. a kind of nuclear reactor pressure container check device hoisting mechanism, it is characterised in that: it includes check lock lever (3), hoisting machine
Structure main body (4), cylinder block (5), cylinder (6) and side guide plate (7);It is machined with and suspension hook on hoisting mechanism main body (4) top
The hole for hoist of connection processes the guiding matched with pressure vessel check device lifting part (1) in hoisting mechanism main body (4) lower part
Slot is machined with a locking pin connecting hole at guide groove;Cylinder (6) is connected by cylinder block (5) and hoisting mechanism main body (4)
It connects, installation locking bar (3) on cylinder rod, guide groove two sides are equipped with two pieces of side guide plates below hoisting mechanism main body (4)
(7)。
2. nuclear reactor pressure container check device hoisting mechanism according to claim 1, it is characterised in that: described hangs
Mounting mechanism main body (4) generally prismatoid, the hole for hoist on top open up in the horizontal direction, and the guide groove of lower part is in lower end surface under
It is opened up on and;Locking pin connecting hole is opened up in the horizontal direction in the arranged on left and right sides of guide groove, for across check lock lever (3).
3. nuclear reactor pressure container check device hoisting mechanism according to claim 2, it is characterised in that: the gas
The generally hollow cuboid of cylinder seat (5), left end are fixed on the right end of hoisting mechanism main body (4) locking pin connecting hole, are used for
Fixed cylinder (6).
4. nuclear reactor pressure container check device hoisting mechanism according to claim 3, it is characterised in that: the gas
Cylinder (6) is fixed on cylinder block (5) right end, and cylinder rod protrudes into the inside of cylinder block (5), for driving the movement of check lock lever (3).
5. nuclear reactor pressure container check device hoisting mechanism according to claim 4, it is characterised in that: the lock
Tight bar (3) generally cylindrical, right end are fixed on cylinder rod, the left and right movement under the drive of cylinder rod.
6. nuclear reactor pressure container check device hoisting mechanism according to claim 5, it is characterised in that: the side
Guide plate (7) be rectangle tabular, altogether there are two, be arranged hoisting mechanism main body (4) guide groove front and rear sides, for pair
Pressure vessel check device lifting part (1) play the guiding role and to check lock lever (3) and pressure vessel check device lifting part (1) into
Row protection.
7. nuclear reactor pressure container check device hoisting mechanism according to claim 1, it is characterised in that: the lock
Tight bar (3), hoisting mechanism main body (4), cylinder block (5), cylinder (6) and side guide plate (7) are all made of stainless steel material and are made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822159057.2U CN209401332U (en) | 2018-12-21 | 2018-12-21 | A kind of nuclear reactor pressure container check device hoisting mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822159057.2U CN209401332U (en) | 2018-12-21 | 2018-12-21 | A kind of nuclear reactor pressure container check device hoisting mechanism |
Publications (1)
Publication Number | Publication Date |
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CN209401332U true CN209401332U (en) | 2019-09-17 |
Family
ID=67895718
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CN201822159057.2U Withdrawn - After Issue CN209401332U (en) | 2018-12-21 | 2018-12-21 | A kind of nuclear reactor pressure container check device hoisting mechanism |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109448877A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of nuclear reactor pressure container check device hoisting mechanism and implementation method |
-
2018
- 2018-12-21 CN CN201822159057.2U patent/CN209401332U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109448877A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of nuclear reactor pressure container check device hoisting mechanism and implementation method |
CN109448877B (en) * | 2018-12-21 | 2024-05-10 | 核动力运行研究所 | Hoisting mechanism of nuclear reactor pressure vessel inspection device and implementation method |
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AV01 | Patent right actively abandoned |
Granted publication date: 20190917 Effective date of abandoning: 20240510 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20190917 Effective date of abandoning: 20240510 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |