CN216990648U - A fixed frock for overturning reactor core measuring instrument framework - Google Patents
A fixed frock for overturning reactor core measuring instrument framework Download PDFInfo
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- CN216990648U CN216990648U CN202220539068.7U CN202220539068U CN216990648U CN 216990648 U CN216990648 U CN 216990648U CN 202220539068 U CN202220539068 U CN 202220539068U CN 216990648 U CN216990648 U CN 216990648U
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Abstract
The utility model relates to the technical field of fixing equipment, in particular to a fixing tool for turning a reactor core measuring instrument grillwork, wherein the reactor core measuring instrument grillwork comprises a disc provided with grid holes and a plurality of guide pipes arranged on the disc, the fixing tool comprises a base and a plurality of locking parts, the locking parts are matched with the grid holes and used for fixing the disc on the base, the base comprises two long rods which are parallel to each other, two short rods and vertical rods, the two short rods and the vertical rods are arranged between the two long rods at intervals in a spanning mode, the vertical rods are fixedly arranged on the side walls of the two opposite ends of the two long rods, the two opposite ends of the two long rods and the top ends of the vertical rods are respectively provided with a connecting piece, and the connecting pieces are matched with a traveling crane to turn the reactor core measuring instrument grillwork. The problem of current core measuring instrument framework when overturning the welding, lead to the product to warp easily is solved.
Description
Technical Field
The utility model relates to the technical field of fixed equipment, in particular to a fixed tool for turning a grid of a reactor core measuring instrument.
Background
The reactor core measuring instrument form frame assembly is used as a key component of a reactor core measuring system and can provide measurement data of a reactor core neutron flux distribution fuel outlet and the temperature and water level of a reactor on line. The overturning tool of the reactor core measuring instrument form frame assembly is mainly used for overturning and processing the bottom of the grid plate after the supporting assembly of the reactor core measuring instrument form frame assembly is welded, and overturning to the front surface to weld assemblies such as guide pipes after the supporting assembly is machined.
In the prior art, because the traditional overturning mode is realized by directly using the hanging strip for overturning, the safety and the operability are extremely high, the product is easy to deform, and the product requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide a fixing tool for turning a core instrumentation grid, so as to solve the problem that the product is easily deformed when the existing core instrumentation grid is turned and welded.
The utility model provides a fixed tool for turning a core measuring instrument grid, which comprises
The reactor core measuring instrument grid comprises a disc provided with grid holes and a plurality of guide tubes arranged on the disc;
fixed frock, fixed frock includes base and a plurality of retaining member, and is a plurality of the retaining member cooperate with the net hole supply in the disc is fixed in on the base, wherein, the base includes two stocks that are parallel to each other, two quarter butt and the montant between locating two stocks are striden to the interval, two the lateral wall at the relative both ends of stock all has set firmly the montant, just the height that highly exceeds a plurality of stand pipes of montant, two the relative both ends of stock and the top of montant all are provided with the connecting piece, through the connecting piece with the line hang cooperate supply in the upset of reactor core measuring instrument grillage.
Preferably, the retaining member includes two locking levers that parallel arrangement in the relative both sides of quarter butt, the below that is located the quarter butt and two locking lever sliding connection's bottom plate, the top that is located the disc and two locking lever sliding connection's roof and the nut that closes with the relative both ends spiral shell of locking lever, wherein, one the locking lever wears to locate in the mesh hole on the disc, in order to pass through nut drive bottom plate and roof are close to fixed disc mutually.
Preferably, the connecting pieces at the two opposite ends of the two long rods and the top ends of the vertical rods are both connecting rings.
Preferably, still include spacing subassembly, spacing subassembly is including setting firmly two dogs in two stock one sides, setting firmly two installation pieces in two stock opposite sides, with two installation piece rotation be connected the threaded rod and respectively with two threaded rod one end fixed connection's briquetting, works as when week side and two dogs of disc are inconsistent, through two the threaded rod drives two briquetting respectively and contradicts in week side of disc.
Preferably, a first connecting rod is arranged between the two long rods and positioned on the outer sides of the two short rods in a spanning mode.
Preferably, a second connecting rod is fixedly arranged between the two vertical rods at one end of the two long rods.
Preferably, the two opposite ends of the long rod and the two vertical rods are fixedly connected with a rib rod.
Preferably, a stop rod is detachably arranged between the two vertical rods at the two opposite ends of the long rod.
Preferably, cushion blocks are arranged between the mounting blocks and the stop blocks on the two long rods, and the cushion blocks are elastic rubber cushion blocks.
Preferably, the long rod, the short rod and the vertical rod are all alloy rods.
The utility model has the beneficial effects that: the utility model provides a fixing tool for turning a reactor core measuring instrument grillwork, wherein a disc and a base are fixed through a plurality of locking pieces, the base comprises two long rods which are parallel to each other, two short rods and vertical rods which are arranged between the two long rods in a spanning mode at intervals, the vertical rods are fixedly arranged on the side walls of the two opposite ends of the two long rods, connecting pieces are arranged at the two opposite ends of the two long rods and the top ends of the vertical rods, the height of the vertical rods exceeds the height of a guide pipe, the fixing tool is hoisted through matching of a traveling crane and the connecting pieces, and the fixing tool is turned for half a circle through matching of the traveling crane and the connecting pieces at different positions, so that the situation that the reactor core measuring instrument grillwork is deformed due to uneven stress or collision with other obstacles during turning is avoided.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a left side view of a stationary tooling for turning a core instrumentation grid of the present invention;
FIG. 2 is a right side view of a fixture for turning a core instrumentation grid of the present invention;
FIG. 3 is a schematic view of the structure of the retaining member of the present invention;
fig. 4 is a schematic structural diagram of a fixing tool for overturning a core instrumentation grid according to the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
The utility model provides a fixing tool for turning a core measuring instrument grillwork, which comprises a core measuring instrument grillwork 1 and a fixing tool 2, wherein the core measuring instrument grillwork 1 can be fixed in the fixing tool 2, and the core measuring instrument grillwork 1 can be turned over by matching the fixing tool 2 with a traveling crane for turning for a half circle.
In this embodiment, the core instrumentation grid 1 includes a disk 11 provided with grid holes, and a plurality of guide tubes 12 disposed on the disk 11.
More specifically, fixed frock 2 includes base 21 and a plurality of retaining member 22, and is a plurality of retaining member 22 and net hole cooperate and supply in disc 11 is fixed in on the base 21, wherein, base 21 includes two stocks 211 that are parallel to each other, two quarter butt 212 and montant 213 of locating between two stocks 211 are striden in the interval, two the lateral wall at the relative both ends of stock 211 has all set firmly montant 213, two the relative both ends of stock 211 and the top of montant 213 all are provided with connecting piece 214, through connecting piece 214 with hang with the line cooperate and supply in reactor core measuring instrument grillage 1 upset, wherein, connecting piece 214 is the go-between, stock 211, quarter butt 212 and montant 213 are the alloy pole.
It should be noted that the locking member 22 includes two locking levers 221 disposed in parallel on two opposite sides of the short lever 212, a bottom plate 222 located below the short lever 212 and slidably connected to the two locking levers 221, a top plate 223 located above the disc 11 and slidably connected to the two locking levers 221, and nuts 224 screwed to two opposite ends of the locking levers 221, wherein one of the locking levers 221 is disposed through the grid hole on the disc 11, so that the nut 224 drives the bottom plate 222 and the top plate 223 to approach the fixed disc 11.
On the basis of above-mentioned scheme, still include spacing subassembly 23, spacing subassembly 23 is including setting firmly two dogs 231 in two stock 211 one sides, setting firmly two installation pieces 232 in two stock 211 opposite sides, with two installation pieces 232 rotate the threaded rod 233 of being connected and respectively with two threaded rod 233 one end fixed connection's briquetting 234, works as when the week side of disc 11 is inconsistent with two dogs 231, through two threaded rod 233 drives two briquetting 234 respectively and contradicts on the week side of disc 11.
In order to improve the strength of the fixing tool, a first connecting rod 215 is arranged between the two long rods 211 in a crossing manner at the outer sides of the two short rods 212, a second connecting rod 216 is fixedly arranged between the two vertical rods 213 at one end of each long rod 211, rib rods 217 are fixedly connected between the two opposite ends of each long rod 211 and the two vertical rods 213, and stop rods 218 are detachably arranged between the two vertical rods 213 at the two opposite ends of each long rod 211.
In order to avoid damage to the disc during fixing, specifically, two long rods 211 are provided with a cushion block 235 between the mounting block 232 and the stop block 231, and the cushion block 235 is an elastic rubber cushion block.
In the using process, the two stop rods 218 are removed, the core measuring instrument grid 1 is placed on the base 21, the two short rods 212 are respectively matched with the three locking pieces 22 to fix the core measuring instrument grid 1, and the two pressing blocks 234 are abutted to the peripheral side of the disc 11 by rotating the two threaded rods 233 to complete positioning; when the back side of the reactor core measuring instrument framework is turned to the front side, the crane is lifted to move to the upper side of the reactor core measuring instrument framework, the crane is connected with connecting pieces on four vertical rods 213 through four slings, the crane is lifted slowly to lift the crane to a height of about 4000mm from the ground, the crane inclines to the reactor core measuring instrument framework assembly through descending two slings on the same side, lifting points are replaced by the two slings, the crane is connected with the two connecting pieces at one ends of the two vertical rods 211, the crane ascends to the reactor core measuring instrument framework assembly to be in a vertical state, then the other two slings are replaced, the other two slings are descended to enable the reactor core measuring instrument framework assembly to be in a horizontal state, and in the turning process, whether abnormal conditions such as abnormal sound and deformation exist or not is carefully observed.
The utility model has the beneficial effects that:
the utility model provides a fixing tool for turning a reactor core measuring instrument grillwork, wherein a disc and a base are fixed through a plurality of locking pieces, the base comprises two long rods which are parallel to each other, two short rods and vertical rods which are arranged between the two long rods in a spanning mode at intervals, the vertical rods are fixedly arranged on the side walls of the two opposite ends of the two long rods, connecting pieces are arranged at the two opposite ends of the two long rods and the top ends of the vertical rods, the height of the vertical rods exceeds the height of a guide pipe, the fixing tool is hoisted through matching of a traveling crane and the connecting pieces, and the fixing tool is turned for half a circle through matching of the traveling crane and the connecting pieces at different positions, so that the situation that the reactor core measuring instrument grillwork is deformed due to uneven stress or collision with other obstacles during turning is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A fixed frock for overturning reactor core measuring instrument framework, which is characterized in that comprises
The reactor core measuring instrument framework comprises a disc provided with grid holes and a plurality of guide pipes arranged on the disc;
fixed frock, fixed frock includes base and a plurality of retaining member, and is a plurality of the retaining member cooperate with the net hole supply in the disc is fixed in on the base, wherein, the base includes two stocks that are parallel to each other, two quarter butt and the montant between locating two stocks are striden to the interval, two the lateral wall at the relative both ends of stock all has set firmly the montant, just the height that highly exceeds a plurality of stand pipes of montant, two the relative both ends of stock and the top of montant all are provided with the connecting piece, through the connecting piece with the line hang cooperate supply in the upset of reactor core measuring instrument grillage.
2. The tooling of claim 1, wherein the locking member comprises two locking rods disposed in parallel on opposite sides of the short rod, a bottom plate disposed below the short rod and slidably connected to the two locking rods, a top plate disposed above the circular plate and slidably connected to the two locking rods, and nuts screwed to opposite ends of the locking rods, wherein one of the locking rods is inserted into the grid hole of the circular plate to drive the bottom plate and the top plate to approach the fixed circular plate through the nuts.
3. The fixed tooling for turning over a core instrumentation grid according to claim 1, wherein the connecting members at the opposite ends of the two long rods and the top ends of the vertical rods are connecting rings.
4. The fixed tooling for turning a core measuring instrument grid according to claim 1, further comprising a limiting component, wherein the limiting component comprises two stop blocks fixedly arranged on one side of the two long rods, two mounting blocks fixedly arranged on the other side of the two long rods, a threaded rod rotatably connected with the two mounting blocks, and pressing blocks fixedly connected with one ends of the two threaded rods respectively, and when the peripheral side of the disk is abutted against the two stop blocks, the two pressing blocks are driven by the two threaded rods to abut against the peripheral side of the disk respectively.
5. The fixed tooling for overturning the core instrumentation grid according to claim 1, wherein a first connecting rod is spanned between the two long rods and outside the two short rods.
6. The tool of claim 1, wherein a second connecting rod is fixedly arranged between the two vertical rods at one end of the two long rods.
7. The fixing tool for turning the core measuring instrument grid as claimed in claim 1, wherein a reinforcing bar is fixedly connected between each of the two opposite ends of the long bar and the two vertical bars.
8. The tool of claim 1, wherein a stop bar is detachably disposed between the two vertical bars at the two opposite ends of the long bar.
9. The fixture for turning a grid of a core instrumentation according to claim 1, wherein two of the long rods are provided with a spacer block between the mounting block and the stop block, and the spacer block is an elastic rubber spacer block.
10. The fixture of claim 1, wherein the long rods, short rods, and vertical rods are alloy rods.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220539068.7U CN216990648U (en) | 2022-03-10 | 2022-03-10 | A fixed frock for overturning reactor core measuring instrument framework |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220539068.7U CN216990648U (en) | 2022-03-10 | 2022-03-10 | A fixed frock for overturning reactor core measuring instrument framework |
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CN216990648U true CN216990648U (en) | 2022-07-19 |
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CN202220539068.7U Active CN216990648U (en) | 2022-03-10 | 2022-03-10 | A fixed frock for overturning reactor core measuring instrument framework |
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2022
- 2022-03-10 CN CN202220539068.7U patent/CN216990648U/en active Active
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