CN210524458U - Integrated loading and processing device for control rod guide cylinder assembly - Google Patents

Integrated loading and processing device for control rod guide cylinder assembly Download PDF

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Publication number
CN210524458U
CN210524458U CN201920453674.5U CN201920453674U CN210524458U CN 210524458 U CN210524458 U CN 210524458U CN 201920453674 U CN201920453674 U CN 201920453674U CN 210524458 U CN210524458 U CN 210524458U
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China
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control rod
rod guide
guide cylinder
cylinder assembly
tailstock
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CN201920453674.5U
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Chinese (zh)
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石吴琼
叶潇潇
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Dongfang Electric Wuhan Nuclear Equipment Co ltd
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Dongfang Electric Wuhan Nuclear Equipment Co ltd
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Abstract

The utility model discloses an integrated loading and processing device of a control rod guide cylinder assembly, which comprises a supporting base, a feeler block, a tailstock, adjustable coamings and a stop block, wherein the feeler block and the stop block are respectively and fixedly installed at two ends of the supporting base; and a plurality of groups of adjusting screws are arranged on the periphery of the adjustable enclosing plate and penetrate into the inner side of the adjustable enclosing plate to be clamped with the guide cylinder assembly. The utility model discloses have to control rod guide cylinder subassembly high efficiency and at the stable beneficial effect of installation, its mainly used ocean nuclear power platform's control rod guide cylinder installation.

Description

Integrated loading and processing device for control rod guide cylinder assembly
Technical Field
The utility model belongs to the technical field of ocean nuclear power, especially, relate to a processing device is loaded in control rod guide cylinder subassembly integration.
Background
The marine nuclear power platform is a marine movable small-sized nuclear power station, is an organic combination of a small-sized nuclear reactor and ship engineering, can provide safe and effective energy supply for marine oil exploitation and remote islands, and can also be used in the fields of high-power ships and seawater desalination. The ocean nuclear power platform is the Chinese initiative technology. The ocean nuclear power platform is a Chinese initiative technology, and related technologies can fill up the technical blank of China in the field of civil nuclear power ships, form a core technology with independent intellectual property rights, and have great significance and profound influence on development of new energy and global energy for China development and utilization.
The reactor internals are one of the most critical core devices in the nuclear reactor of the marine nuclear power platform, are the heart of the nuclear reactor, and comprise all structural components except a fuel assembly and related assemblies thereof, an in-reactor measuring instrument and an irradiation sample monitoring tube in a reactor pressure vessel. The control rod guide cylinder assembly is one of the most core assemblies of the reactor internals and is formed by precisely assembling and precisely welding precise stainless steel parts, and the control rod guide cylinder assembly mainly has the important functions of guiding control rods to perform nuclear reaction starting, stopping, power adjustment and the like.
The material used by the marine nuclear power platform control rod guide cylinder assembly is austenitic stainless steel, and the total length is about 2600 mm. The double-hole pipe type guide grid plate mainly comprises a double-hole pipe, a C-shaped pipe, a guide grid plate, a half square pipe, a fixing flange, a cover plate, a split pin and the like. The inner part of the guide structure is welded by 8 groups of double-hole pipe assemblies and 8C-shaped pipes to form a continuous guide structure body, 6 guide grid plates are arranged at other positions in the guide structure body at intervals along the height direction, and the outer part of the guide structure body is formed by welding and cladding 2 half square pipes and a supporting flange.
In order to ensure the hole system positions of the double-hole pipe assembly and the C-shaped pipe and ensure that the control rod check gauge can freely pass through the whole height direction and the friction force is less than 90N, the following problems are mainly solved:
1. when the continuous guide structure body and 6 guide grid plates are assembled, the coaxiality of 24-hole systems is strictly controlled to be less than 0.2mm, and the passing of an inspection gauge is ensured;
2. because the grid plate is connected with the half square pipe by using the pin, pin holes are needed to be formed on the grid plate and the half square pipe. Therefore, when the pin hole is machined, the assembled and adjusted workpiece needs to be kept unchanged;
3. welding deformation is inevitable when the continuous guide structure body, the fixed flange and the like are welded with the semi-square pipe, so a control structure for preventing deformation during welding is needed.
In order to solve the problems, a special integrated assembling and processing device is designed for the purpose.
SUMMERY OF THE UTILITY MODEL
The utility model provides a processingequipment is loaded in control rod guide cylinder subassembly integration aims at solving the above-mentioned technical problem who exists to the ocean and the dislocation appears easily in the installation beneath and when power platform control rod guide cylinder subassembly packaging efficiency.
The utility model is realized in such a way, a control rod guide cylinder assembly integrated loading and processing device comprises a supporting base, a feeler block, a first tailstock, a second tailstock, an adjustable coaming and a stop block, wherein the feeler block and the stop block are respectively and fixedly arranged at the two ends of the supporting base, the control rod guide cylinder assembly is fixedly arranged on the supporting base and is fixedly arranged between the feeler block and the stop block, the stop block is closely contacted with one end surface of the control rod guide cylinder assembly, one end of the supporting base provided with the feeler block is provided with the first tailstock opposite to the control rod guide cylinder assembly, one end of a supporting seat provided with the stop block is provided with a second tailstock group which is oppositely arranged with the control rod guide cylinder assembly, and the periphery of the control rod guide cylinder assembly is all clamped with a plurality of groups of adjustable coamings, the first tailstock, the second tailstock and the adjustable coaming are assembled and fixed through screws and fix the control rod guide cylinder assembly, and a stop seat is arranged between the second tailstock and the brake block at one end close to the stop block; the feeler block fixed mounting be in the upper surface of the one end of support base, the stopper fixed mounting be in support base is relative on the feeler block other end terminal surface lateral wall, first tailstock, second tailstock, adjustable bounding wall periphery install multiunit adjusting screw just adjusting screw penetrate first tailstock, second tailstock, adjustable bounding wall respectively inboard with guide cylinder subassembly joint.
The control rod guide cylinder assembly comprises a double-hole pipe, a C-shaped pipe, guide grid plates, a half square pipe and a fixing flange, wherein a continuous guide structure body is formed by welding 8 groups of double-hole pipe assemblies and 8C-shaped pipes inside, a plurality of groups of guide grid plates are arranged at other positions inside along the height direction at intervals, the guide grid plates are connected with the half square pipe at opposite connection positions through coaxiality pin holes and pins, and the double-hole pipe and the C-shaped pipe are close to one side of a stop block and are led out of the half square pipe and are in close contact with the stop block.
The adjusting disc is installed on the first tailstock and opposite to the end face of the control rod guide cylinder, the adjusting disc is provided with the adjusting screw and is in close contact with the end face of the control rod guide cylinder, the second tailstock is provided with two groups of first L-shaped pressing plates and first pressing plates, the control rod guide cylinder assembly is installed on the second tailstock, the bottoms of the first L-shaped pressing plates are fixedly installed on the second tailstock through screws and are respectively located on two sides of the control rod guide cylinder assembly, and the first pressing plates are fixedly installed on the first L-shaped pressing plates through screws and are in close contact with the control rod guide cylinder assembly.
The number of the adjustable coamings is equal to the number of the guide grating plates, and the adjustable coamings and the guide grating plates are all arranged into 6 groups.
Every group adjustable bounding wall respectively with a set of the direction check setting position is relative, adjustable bounding wall inside wall with the inseparable joint of direction check side outside wall.
Each group of adjustable bounding wall includes adjusting base, two sets of second L shape clamp plates, second clamp plate, the direction check board is all installed on adjusting base, and two sets of second L shape clamp plate bottom passes through screw fixed mounting adjust on the base and be located the both sides of direction check board respectively, the second clamp plate passes through screw fixed mounting on the second L shape clamp plate and with direction check board in close contact with.
The stop seat comprises a V-shaped base, a third pressing plate and double-end studs, the V-shaped base is installed on the side wall of the end face of the support base, the double-end studs are respectively installed on the V-shaped base in a spiral mode and are respectively installed on two sides of the control rod guide cylinder assembly, the other ends of the double-end studs penetrate through the third pressing plate, nuts arranged on the upper surface of the third pressing plate are connected with the double-end studs, and the third pressing plate is tightly connected with the control rod guide cylinder assembly.
And a plug sheet is filled at the joint of the adjusting screw and the control rod guide cylinder assembly.
The same side edge of the second L-shaped pressing plate and the second pressing plate is provided with an arc-shaped positioning hole, and the positioning hole is opposite to the pin hole of the guide grid plate pointing to the outer side.
Compared with the prior art, the beneficial effects of the utility model are that: the device can once realize the assembly and accurate adjustment location, the welding of the novel control rod guide cylinder subassembly of ocean nuclear power platform and function such as shape, tool setting and once cooperate processing, integral hoisting, and the operation is swift high-efficient, realizes the high-efficient and stable beneficial effect in the installation of control rod guide cylinder subassembly.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a left side view of the structure of the present invention;
fig. 5 is a cross-sectional view of the structure of fig. 3 along line a-a.
In the figure: the device comprises a support base 1, a pair of tool blocks 2, a first tailstock 3, a second tailstock 4, a stop block 5, a control rod guide cylinder assembly 6, an adjusting screw 7, an adjusting disc 8, a first L-shaped pressing plate 9, a first pressing plate 10, an adjusting base 11, a second L-shaped pressing plate 12, a second pressing plate 13, a V-shaped base 14, a third pressing plate 15, a double-end stud 16, a plug 17 and a positioning hole 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-5, the present invention provides a technical solution: an integrated loading and processing device for a control rod guide cylinder assembly 6 comprises a supporting base 1, a tool setting block 2, a first tailstock 3, a second tailstock 4, adjustable coamings and a stop block 5, wherein the tool setting block 2 and the stop block 5 are respectively and fixedly arranged at two ends of the supporting base 1, the control rod guide cylinder assembly 6 is fixedly arranged on the supporting base 1, the control rod guide cylinder assembly 6 is fixedly arranged between the tool setting block 2 and the stop block 5, the stop block 5 is tightly contacted with one end face of the control rod guide cylinder assembly 6, one end of the supporting base 1 provided with the tool setting block 2 is provided with a first tailstock group 3 opposite to the control rod guide cylinder assembly 6, one end of a supporting seat provided with the stop block 5 is provided with a second tailstock group 4 opposite to the rod guide assembly, the tailstock group of adjustable coamings are clamped at the periphery of the control rod guide cylinder assembly 6, the first tailstock group 3, the second group 4 and the adjustable coamings are assembled and fixed through screws and fix the control, a stop seat is arranged between the second tailstock 4 close to one end of the stop block 5 and the brake block; the tool setting block 2 is fixedly arranged on the upper surface of one end of the supporting base 1, the stop block 5 is fixedly arranged on the side wall of the end face of the supporting base 1 opposite to the other end of the tool setting block 2, the first tailstock 3, the second tailstock 4 and the periphery of the adjustable enclosing plate are provided with a plurality of groups of adjusting screws 7, and the adjusting screws 7 respectively penetrate through the first tailstock 3, the second tailstock 4 and the inner side of the adjustable enclosing plate to be clamped with the guide cylinder assembly.
The control rod guide cylinder assembly 6 comprises a double-hole pipe, a C-shaped pipe, guide grid plates, a half square pipe and a fixed flange, a continuous guide structure body is formed by welding 8 groups of double-hole pipe assemblies and 8C-shaped pipes in the control rod guide cylinder assembly, a plurality of groups of guide grid plates are arranged at other positions in the control rod guide cylinder assembly at intervals along the height direction, coaxial pin holes are arranged at the relative connecting positions of the guide grid plates and the half square pipe and are connected through pins, and the half square pipe is led out from one side of the double-hole pipe and the C-shaped pipe close to the stop block 5 and is;
an adjusting disc 8 is arranged on the first tailstock 3 and opposite to the end face of the control rod guide cylinder, an adjusting screw 7 is arranged on the adjusting disc 8 and is in tight contact with the end face of the control rod guide cylinder, two groups of first L-shaped pressing plates 9 and first pressing plates 10 are arranged on the second tailstock 4, the control rod guide cylinder assembly 6 is arranged on the second tailstock 4, the bottoms of the two groups of first L-shaped pressing plates 9 are fixedly arranged on the second tailstock 4 through screws and are respectively positioned at two sides of the control rod guide cylinder assembly 6, and the first pressing plates 10 are fixedly arranged on the first L-shaped pressing plates 9 through screws and are in tight contact with the control rod guide cylinder assembly 6;
the same with direction check board setting quantity of adjustable bounding wall setting quantity all sets up to 6 groups.
Each group of adjustable coamings is respectively opposite to the arrangement position of one group of guide grating plates, and the inner side walls of the adjustable coamings are tightly clamped with the outer side walls of the guide grating plates;
each group of adjustable enclosing plates comprises an adjusting base 11, two groups of second L-shaped pressing plates 12 and second pressing plates 13, the guide grid plates are all arranged on the adjusting base 11, the bottoms of the two groups of second L-shaped pressing plates 12 are fixedly arranged on the adjusting base 11 through screws and are respectively positioned on two sides of the guide grid plates, and the second pressing plates 13 are fixedly arranged on the second L-shaped pressing plates 12 through screws and are in close contact with the guide grid plates;
the stop seat comprises a V-shaped base 14, a third pressure plate 15 and studs 16, the V-shaped base 14 is arranged on the side wall of the end face of the support base 1, two groups of studs 16 are respectively spirally arranged on the V-shaped base 14 and are respectively arranged on two sides of the control rod guide cylinder assembly 6, the third pressure plate 15 penetrates through the other ends of the two groups of studs 16, a nut arranged on the upper surface of the third pressure plate 15 is connected with the studs 16, and the third pressure plate 15 is tightly connected with the control rod guide cylinder assembly 6;
a plug piece 17 is filled at the joint of the adjusting screw 7 and the control rod guide cylinder assembly 6, so that the adjusting screw 7 is ensured to avoid scratches generated by the direct action of the adjusting screw 7 on the control rod guide cylinder assembly 6 when the position of the control rod guide cylinder assembly 6 is finely adjusted;
the same side edge of the second L-shaped pressing plate 12 and the second pressing plate 13 is provided with an arc-shaped positioning hole 18, and the positioning hole 18 is opposite to the pin hole of the guide grid plate pointing to the outer side, so that the position of the guide grid plate can be accurately positioned.
The utility model discloses a theory of operation is: when the control rod guide cylinder assembly 6 is loaded and processed, firstly, the supporting base is put in place, a half square pipe is horizontally placed on the supporting base, then, the continuously-guided double-hole pipe, the C-shaped pipe and the guide grid plate are horizontally placed in the half square pipe and are positioned on the stop block 5, 6 groups of guide grid plates are respectively placed at corresponding positions and are clamped at the inner sides of 6 groups of opposite adjustable enclosing plates, the control rod guide cylinder assembly 6 and the 6 groups of guide grid plates on the control rod guide cylinder assembly are finely adjusted by using adjusting screws 7 arranged on the 6 groups of adjustable enclosing plates, so that the position degree of the control rod guide cylinder assembly 6 meets the passing requirements of an inspection gauge, the guide grid plates are tightly pressed by using the adjustable enclosing plates after the control rod guide cylinder assembly is qualified, a second pressing plate 13 is arranged to tightly press the control rod guide cylinder assembly, and a first tailstock 3 and a second tailstock 4;
after the assembly and adjustment are completed, the position of the workpiece on the device is kept unchanged, the workpiece is compressed to prevent welding deformation, after the welding of the workpiece is completed, the workpiece is hoisted to a machine tool along with the device, the cutter block 2 is used for completing one-step processing and forming of pin holes, positioning holes 18 and the like, and clamping and alignment errors are avoided. Taking down the workpiece from the device, installing the fixed flange, and then repositioning the workpiece on the device to complete the welding of the fixed flange so as to reduce the welding deformation of the fixed flange;
after the whole manufacturing is completed, the control rod guide cylinder assembly 6 is once lifted out of the device, the device can once realize the functions of assembling, accurate adjustment and positioning, welding, deformation prevention, tool setting, one-time matching and machining, integral hoisting and the like of the novel control rod guide cylinder assembly 6 of the marine nuclear power platform, and the operation is fast and efficient.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a processingequipment is loaded in control rod guide cylinder subassembly integration which characterized in that: the automatic adjusting device comprises a supporting base, a tool setting block, a first tailstock, a second tailstock, adjustable coamings and a stop block, wherein the tool setting block and the stop block are respectively and fixedly arranged at two ends of the supporting base, a control rod guide cylinder assembly is fixedly arranged on the supporting base and fixedly arranged between the tool setting block and the stop block, the stop block is in close contact with one end face of the control rod guide cylinder assembly, a first tailstock group opposite to the control rod guide cylinder assembly is arranged at one end of the supporting base provided with the tool setting block, a second tailstock group installed opposite to the control rod guide cylinder assembly is arranged at one end of a supporting seat provided with the stop block, a plurality of groups of adjustable coamings are clamped at the periphery of the control rod guide cylinder assembly, and the first tailstock group, the second tailstock group and the adjustable coamings are assembled and fixed through screws and are fixed on the control rod guide cylinder assembly, a stop seat is arranged between the second tailstock close to one end of the stop block and the brake block; the feeler block fixed mounting be in the upper surface of the one end of support base, the stopper fixed mounting be in support base is relative on the feeler block other end terminal surface lateral wall, first tailstock, second tailstock, adjustable bounding wall periphery install multiunit adjusting screw just adjusting screw penetrate first tailstock, second tailstock, adjustable bounding wall respectively inboard with guide cylinder subassembly joint.
2. The control rod guide barrel assembly integrated loading machining device of claim 1, comprising: the control rod guide cylinder assembly comprises a double-hole pipe, a C-shaped pipe, guide grid plates, a half square pipe and a fixing flange, wherein a continuous guide structure body is formed by welding 8 groups of double-hole pipe assemblies and 8C-shaped pipes inside, a plurality of groups of guide grid plates are arranged at other positions inside along the height direction at intervals, the guide grid plates are connected with the half square pipe at opposite connection positions through coaxiality pin holes and pins, and the double-hole pipe and the C-shaped pipe are close to one side of a stop block and are led out of the half square pipe and are in close contact with the stop block.
3. The integrated loading machining device for the control rod guide cylinder assembly as set forth in claim 1, wherein: the adjusting disc is installed on the first tailstock and opposite to the end face of the control rod guide cylinder, the adjusting disc is provided with the adjusting screw and is in close contact with the end face of the control rod guide cylinder, the second tailstock is provided with two groups of first L-shaped pressing plates and first pressing plates, the control rod guide cylinder assembly is installed on the second tailstock, the bottoms of the first L-shaped pressing plates are fixedly installed on the second tailstock through screws and are respectively located on two sides of the control rod guide cylinder assembly, and the first pressing plates are fixedly installed on the first L-shaped pressing plates through screws and are in close contact with the control rod guide cylinder assembly.
4. The control rod guide barrel assembly integrated loading machining device as set forth in claim 1 or 2, wherein: the number of the adjustable coamings is equal to the number of the guide grating plates, and the adjustable coamings and the guide grating plates are all arranged into 6 groups.
5. The control rod guide barrel assembly integrated loading machining device as set forth in claim 1 or 2, wherein: every group adjustable bounding wall respectively with a set of the direction check setting position is relative, adjustable bounding wall inside wall with the inseparable joint of direction check side outside wall.
6. The integrated loading machining device for the control rod guide cylinder assembly as set forth in claim 2, wherein: each group of adjustable bounding wall includes adjusting base, two sets of second L shape clamp plates, second clamp plate, the direction check board is all installed on adjusting base, and two sets of second L shape clamp plate bottom passes through screw fixed mounting adjust on the base and be located the both sides of direction check board respectively, the second clamp plate passes through screw fixed mounting on the second L shape clamp plate and with direction check board in close contact with.
7. The integrated loading machining device for the control rod guide cylinder assembly as set forth in claim 1, wherein: the stop seat comprises a V-shaped base, a third pressing plate and double-end studs, the V-shaped base is installed on the side wall of the end face of the support base, the double-end studs are respectively installed on the V-shaped base in a spiral mode and are respectively installed on two sides of the control rod guide cylinder assembly, the other ends of the double-end studs penetrate through the third pressing plate, nuts arranged on the upper surface of the third pressing plate are connected with the double-end studs, and the third pressing plate is tightly connected with the control rod guide cylinder assembly.
8. The integrated loading machining device for the control rod guide cylinder assembly as set forth in claim 1, wherein: and a plug sheet is filled at the joint of the adjusting screw and the control rod guide cylinder assembly.
9. The integrated loading machining device for the control rod guide cylinder assembly as set forth in claim 6, wherein: the same side edge of the second L-shaped pressing plate and the second pressing plate is provided with an arc-shaped positioning hole, and the positioning hole is opposite to the pin hole of the guide grid plate pointing to the outer side.
CN201920453674.5U 2019-04-04 2019-04-04 Integrated loading and processing device for control rod guide cylinder assembly Active CN210524458U (en)

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Application Number Priority Date Filing Date Title
CN201920453674.5U CN210524458U (en) 2019-04-04 2019-04-04 Integrated loading and processing device for control rod guide cylinder assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920453674.5U CN210524458U (en) 2019-04-04 2019-04-04 Integrated loading and processing device for control rod guide cylinder assembly

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Publication Number Publication Date
CN210524458U true CN210524458U (en) 2020-05-15

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CN201920453674.5U Active CN210524458U (en) 2019-04-04 2019-04-04 Integrated loading and processing device for control rod guide cylinder assembly

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113909664A (en) * 2021-11-29 2022-01-11 东方电气(武汉)核设备有限公司 Device and method for assembling and welding honeycomb-shaped porous heat exchange element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113909664A (en) * 2021-11-29 2022-01-11 东方电气(武汉)核设备有限公司 Device and method for assembling and welding honeycomb-shaped porous heat exchange element
CN113909664B (en) * 2021-11-29 2023-03-10 东方电气(武汉)核设备有限公司 Device and method for assembling and welding honeycomb-shaped porous heat exchange element

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