CN214446221U - Instrument is deposited to nuclear power station reactor heat shield - Google Patents
Instrument is deposited to nuclear power station reactor heat shield Download PDFInfo
- Publication number
- CN214446221U CN214446221U CN202023306546.XU CN202023306546U CN214446221U CN 214446221 U CN214446221 U CN 214446221U CN 202023306546 U CN202023306546 U CN 202023306546U CN 214446221 U CN214446221 U CN 214446221U
- Authority
- CN
- China
- Prior art keywords
- plate
- heat shield
- nuclear power
- nylon
- guide block
- 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
Landscapes
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The utility model belongs to the technical field of mechanical design, concretely relates to instrument is deposited to nuclear power station reactor heat shield, include: the device comprises a plurality of pillars, a plurality of bottom plates, a plurality of top plates, a plurality of connecting rods and a plurality of guide blocks; every two of the struts are connected and fixed through connecting rods and enclose a regular hexagon structure, a top plate is welded at the top of each strut, and a bottom plate is welded at the bottom of each strut; the top of each strut is also welded with a guide block; the guide block and the top plate are arranged at a right angle. The utility model discloses by 6 pillar point supports, every supporting point passes through the connecting rod and connects, and it is whole to constitute a regular hexagon, and is reliable and stable, prevents to empty.
Description
Technical Field
The utility model belongs to the technical field of mechanical design, concretely relates to instrument is deposited to nuclear power station reactor heat shield.
Background
The reactor heat shield is a nuclear-grade safety device, is a key device related to the normal operation of a reactor, needs to be hung to a reactor hall from a reactor shaft for storage when the reactor heat shield is dismounted for overhaul of a power station every time, and stores the heat shield with the weight of 14T at a position provided with a fuel hanging basket support because the overhaul field of the reactor hall is tense during overhaul, and needs to be stored on the ground by using sleepers.
Because there is fuel hanging flower basket support step, locking trunnion scheduling highly inconsistent problem in heat shield parking position place, need put a large amount of sleepers around the heat shield and simultaneously bed hedgehopping, have the landing risk between the sleeper, cause the heat shield to topple over.
Therefore, there is a need to design a reactor heat shield storage tool for a nuclear power plant to address the above technical problems and to improve the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at designing a nuclear power station reactor heat shield storage tool for effectively solve current heat shield and deposit the technical problem that uses sleeper large in quantity, sleeper bed height highly differs easy heat shield landing to empty.
The technical scheme of the utility model:
a nuclear power plant reactor heat shield storage tool comprising: the device comprises a plurality of pillars, a plurality of bottom plates, a plurality of top plates, a plurality of connecting rods and a plurality of guide blocks; every two of the struts are connected and fixed through connecting rods and enclose a regular hexagon structure, a top plate is welded at the top of each strut, and a bottom plate is welded at the bottom of each strut; the top of each strut is also welded with a guide block; the guide block and the top plate are arranged at a right angle.
Threaded holes are formed in the two ends of the connecting rod, and the connecting rod is integrally of an I-shaped structure.
The quantity of pillar is six, and the pillar still includes: a plurality of bolts and flat washers; the middle upper surface of the pillar is provided with a threaded hole, the bolt penetrates through the threaded holes at the two ends of the connecting rod, and the threads at the two ends of the connecting rod are fixed on the middle upper surface of the pillar; and flat washers are arranged between the bolt and the surfaces of the two ends of the connecting rod.
The roof horizontal welding is at the top of pillar, the roof still includes: a lifting ring threaded hole and a lifting ring screw; the lifting ring threaded holes are formed in the center of each top plate, and the lifting ring screws are fixed to the top plates through the lifting ring threaded holes.
The guide block includes: the nylon plate A, the nylon plate B, the nylon plate C and a plurality of screws; the surface of guide block has laid nylon board A, nylon board B and nylon board C in proper order, nylon board A, nylon board B and nylon board C pass through the fix with screw on the surface of guide block.
The bottom plate includes: the device comprises a base plate A, a gasket B, a plurality of screws and gaskets; the upper surface of the base plate A is provided with a plurality of threaded through holes, and the lower surface of the base plate A is provided with a gasket B; the plurality of screws penetrate through the thread through holes in the base plate A to be fixedly connected with the gasket B through the base plate A, and a gasket is further arranged between each screw and the upper surface of the base plate A.
The utility model discloses technological effect:
1) the utility model discloses a heat shield holding surface is by 6 pillar point supports, and every supporting point passes through the connecting rod and connects, and it is whole to constitute a regular hexagon, and is reliable and stable, prevents to empty.
2) The utility model discloses the bottom plate of device passes through jackscrew + wire drawing mode leveling, eliminates and ground between the clearance, has guaranteed the levelness.
3) The utility model keeps a certain clearance between the height of the heat shield strut and the highest point of the hanging basket support, thereby avoiding interference;
4) every supporting leg has all set up the guide block and has been used for the location, makes things convenient for the heat shield hoist and mount to place and take one's place, all installs the nylon plate with the position of heat shield contact simultaneously and protects, prevents that the heat shield from cutting a tool and scratches.
5) The heat shield storage tool designed by the utility model is convenient and quick to assemble, and is provided with a plurality of hoisting points, thereby facilitating flexible hoisting of the whole body and the single body; and the whole device occupies small area, and effectively solves the problem of tension in heat shield storage places.
Drawings
FIG. 1 is a front view of a nuclear power plant reactor heat shield storage tool according to the present invention;
FIG. 2 is a top view of a heat shield storage tool for a nuclear power plant reactor
FIG. 3 is a schematic view showing a partial structural connection of a reactor heat shield storage tool according to the present invention;
wherein: 1-a pillar; 2-a bottom plate; 3-a top plate; 4-a connecting rod; 5-a lifting eye screw; 6-a guide block; 7-backing plate A; 8-a threaded hole of a hanging ring; 9-backing plate B; 10-a screw; 11-plain washer a; 12-plain washer B;
Detailed Description
The following description of the present invention will be provided in conjunction with the accompanying drawings and the detailed description of the embodiments,
as shown in fig. 1 to 3, a reactor heat shield stocking tool for a nuclear power plant includes: the device comprises a plurality of pillars 1, a plurality of bottom plates 2, a plurality of top plates 3, a plurality of connecting rods 4 and a plurality of guide blocks 6; every two of the struts 1 are connected and fixed through connecting rods 4 and enclose a regular hexagon structure, a top plate 3 is welded at the top of each strut 1, and a bottom plate 2 is welded at the bottom of each strut 1; the top of each strut 1 is also welded with a guide block 6; the guide block 6 and the top plate 3 are arranged at a right angle.
Threaded holes are formed in the two ends of the connecting rod 4, and the connecting rod 4 is integrally of an I-shaped structure.
The quantity of pillar 1 is six, and pillar 1 still includes: a plurality of bolts 10 and flat washers 11; the middle upper surface of the pillar 1 is provided with a threaded hole, the bolt 10 penetrates through the threaded holes at the two ends of the connecting rod 4, and the two ends of the connecting rod 4 are fixed on the middle upper surface of the pillar 1 through threads; between the bolt 10 and the surfaces of both ends of the connecting rod 4, a flat washer 11 is provided.
The middle upper surface of the pillar 1 is also provided with angle steel, the position of the angle steel arranged on the middle upper surface of the pillar 1 is matched with the position of the connecting rod 4 arranged on the middle upper surface of the pillar 1, and the angle steel is used for placing the connecting rod 4 when the connecting rod 4 is connected and arranged with the middle upper surface of the pillar 1.
The top plate 3 is horizontally welded on the top of the support column 1, and the top plate 3 further comprises: a lifting ring threaded hole 8 and a lifting ring screw 5; the lifting ring threaded holes 8 are formed in the center of each top plate 3, and the lifting ring screws 5 are fixed to the top plates 3 through the lifting ring threaded holes 8.
The guide block 6 includes: the nylon plate A, the nylon plate B, the nylon plate C and a plurality of screws; a nylon plate A, a nylon plate B and a nylon plate C are sequentially laid on the surface of the guide block 6, and the nylon plate A, the nylon plate B and the nylon plate C are fixed on the surface of the guide block 6 through screws.
The guide block 6 is used for positioning and positioning when the heat shield is hoisted, and nylon plates are arranged on the contact surfaces of the guide block 6, the top plate 3 and the heat shield for protection.
The base plate 2 includes: a backing plate A7, a gasket B9, a plurality of screws and a gasket 12; the upper surface of the backing plate A7 is provided with a plurality of threaded through holes, and the lower surface of the backing plate A7 is provided with a gasket B9; the plurality of screws penetrate through threaded through holes in the backing plate A7 to be fixedly connected with the gasket B9 through the backing plate A7, and the gasket 12 is arranged between each screw and the upper surface of the backing plate A7.
A method for storing a reactor heat shield storage tool for a nuclear power plant as described above, comprising the steps of:
the method comprises the following steps: transporting the heat shield storage tool to a reactor plant;
step two: the support is vertically arranged and is fixedly connected with the connecting rod through a bolt and a flat washer, and the support and the connecting rod are sequentially connected to form a regular hexagon structure;
step three: after the connection is finished, hoisting the assembled heat shield storage tool to a storage position through the integral horizontal hoisting point;
step four: adjusting a plurality of screws, gaskets and gaps between the base plate A and the gasket B on the bottom plate, and ensuring the integral level of the heat shield storage tool;
step five: after the heat shield storage tool is adjusted to be free of shaking and the supporting column is horizontal, the lifting eye screw is detached, and heat shielding is achieved.
And (4) after use, dismantling the reactor according to the sequence from the step 5 to the step 1, and hoisting and transporting the reactor out of the reactor plant.
Because there are height nonconformity factors such as fuel hanging flower basket support step, locking trunnion in heat shield parking position place, need put a large amount of sleepers around the heat shield and simultaneously bed up high, have landing safety risk between the sleepers, cause the heat shield to topple over.
After the heat shield storage mode is improved to be a heat shield storage tool, the heat shield storage tool is verified through use of multiple times of overhaul, and after the special storage support is used, the heat shield storage tool has the characteristics of convenience in assembly, high efficiency, good stability, simplicity, safety, reliability and the like.
This specialized tool is deposited to heat shield passes through intensity check to according to the structure and the size of heat shield support, using modes such as analogue test and load test, ensured that the heat shield deposits specialized tool performance and can satisfy on-the-spot heat shield and deposit the demand, and through many times overhaul on-the-spot use verification, the heat shield support has the equipment convenience, efficient, stability is good, simple, characteristics such as safe and reliable.
The special tool for storing the heat shield is designed to be the choice for storing other domestic equipment, and has important reference guiding significance.
The present invention has been described in detail with reference to the accompanying drawings and examples, but the present invention is not limited to the above examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. The present invention can adopt the prior art for the content which is not described in detail in the present invention.
Claims (6)
1. A nuclear power plant reactor heat shield storage tool, comprising: a plurality of pillars (1), a plurality of bottom plates (2), a plurality of top plates (3), a plurality of connecting rods (4) and a plurality of guide blocks (6); every two of the struts (1) are connected and fixed through connecting rods (4) and enclose a regular hexagon structure, a top plate (3) is welded at the top of each strut (1), and a bottom plate (2) is welded at the bottom of each strut (1); the top of each strut (1) is also welded with a guide block (6); the guide block (6) and the top plate (3) are arranged at a right angle.
2. The nuclear power plant reactor heat shield storage tool of claim 1, wherein: threaded holes are formed in the two ends of the connecting rod (4), and the connecting rod (4) is integrally of an I-shaped structure.
3. A nuclear power plant reactor heat shield storage tool as recited in claim 2, wherein: the quantity of pillar (1) is six, and pillar (1) still includes: a plurality of bolts (10) and flat washers (11); the middle upper surface of the pillar (1) is provided with a threaded hole, the bolt (10) penetrates through the threaded holes at the two ends of the connecting rod (4), and the threads at the two ends of the connecting rod (4) are fixed on the middle upper surface of the pillar (1); and a flat washer (11) is arranged between the bolt (10) and the surface of the two ends of the connecting rod (4).
4. The nuclear power plant reactor heat shield storage tool of claim 1, wherein: the roof (3) horizontal welding is at the top of pillar (1), roof (3) still includes: a lifting ring threaded hole (8) and a lifting ring screw (5); the lifting ring threaded holes (8) are formed in the center of each top plate (3), and the lifting ring screws (5) are fixed to the top plates (3) through the lifting ring threaded holes (8).
5. The nuclear power plant reactor heat shield storage tool of claim 4, wherein: the guide block (6) comprises: the nylon plate A, the nylon plate B, the nylon plate C and a plurality of screws; the surface of the guide block (6) is sequentially paved with a nylon plate A, a nylon plate B and a nylon plate C, and the nylon plate A, the nylon plate B and the nylon plate C are fixed on the surface of the guide block (6) through screws.
6. The nuclear power plant reactor heat shield storage tool of claim 5, wherein: the bottom plate (2) comprises: a base plate A (7), a gasket B (9), a plurality of screws and gaskets (12); the upper surface of the backing plate A (7) is provided with a plurality of threaded through holes, and the lower surface of the backing plate A (7) is provided with a gasket B (9); the plurality of screws penetrate through the thread through holes in the backing plate A (7) and are fixedly connected with the gasket B (9) through the backing plate A (7), and a gasket (12) is further arranged between each screw and the upper surface of the backing plate A (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023306546.XU CN214446221U (en) | 2020-12-31 | 2020-12-31 | Instrument is deposited to nuclear power station reactor heat shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023306546.XU CN214446221U (en) | 2020-12-31 | 2020-12-31 | Instrument is deposited to nuclear power station reactor heat shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214446221U true CN214446221U (en) | 2021-10-22 |
Family
ID=78137735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023306546.XU Active CN214446221U (en) | 2020-12-31 | 2020-12-31 | Instrument is deposited to nuclear power station reactor heat shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214446221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706140A (en) * | 2020-12-31 | 2021-04-27 | 江苏核电有限公司 | Storing tool and storing method for reactor heat shield of nuclear power station |
-
2020
- 2020-12-31 CN CN202023306546.XU patent/CN214446221U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706140A (en) * | 2020-12-31 | 2021-04-27 | 江苏核电有限公司 | Storing tool and storing method for reactor heat shield of nuclear power station |
| CN112706140B (en) * | 2020-12-31 | 2024-06-11 | 江苏核电有限公司 | Nuclear power station reactor heat shield storage tool and storage method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214446221U (en) | Instrument is deposited to nuclear power station reactor heat shield | |
| CN208314091U (en) | Test of lightning arrester platform | |
| CN112706140A (en) | Storing tool and storing method for reactor heat shield of nuclear power station | |
| CN201793330U (en) | Gantry hanger frame device | |
| CN217782806U (en) | Hanging basket hanging mechanism wide in applicability, safe and convenient | |
| CN208347035U (en) | A kind of steel structure earthquake-resistant bracket | |
| CN207932985U (en) | A kind of crane maintenance rig | |
| CN216739726U (en) | Building structure design wall column base quick connecting device | |
| CN106711821B (en) | 500kV substations low-voltage capacitance element replacement device | |
| CN206216661U (en) | A kind of new work engine inspection platform | |
| CN112411760B (en) | Construction method for integrally hoisting and combining cantilever installation of head unit | |
| CN210886171U (en) | Support for placing vacuum arc remelting furnace crystallizer | |
| CN115341678A (en) | Steel structure lower hanging swing column and mounting method thereof | |
| CN215249136U (en) | Safety protection device for lifting bucket | |
| CN214245808U (en) | Converter station filter bank foundation | |
| CN217931073U (en) | Precast beam static load test detection device | |
| CN213573175U (en) | Supporting leg structure for temporary supporting frame for building construction | |
| CN206831356U (en) | A kind of garden landscape lamp for being easy to maintenance | |
| CN219585759U (en) | Tank body safety supporting device for replacing bottom plate of large storage tank | |
| CN205953320U (en) | Novel hoisting sling | |
| CN221277175U (en) | Constructional engineering steel construction support frame | |
| CN211228107U (en) | Platform for bridge side cable construction | |
| CN214178396U (en) | Gardens are transplanted and are used trees protective cradle | |
| CN218668575U (en) | Fabric machine rack | |
| CN220645092U (en) | Convenient construction support of dismouting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |