CN112133463B - Supporting device, in-pile component supporting assembly and mounting method of supporting device - Google Patents
Supporting device, in-pile component supporting assembly and mounting method of supporting device Download PDFInfo
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- CN112133463B CN112133463B CN202011002071.7A CN202011002071A CN112133463B CN 112133463 B CN112133463 B CN 112133463B CN 202011002071 A CN202011002071 A CN 202011002071A CN 112133463 B CN112133463 B CN 112133463B
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
- G21C19/207—Assembling, maintenance or repair of reactor components
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/06—Magazines for holding fuel elements or control elements
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
- G21C3/332—Supports for spacer grids
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- 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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- High Energy & Nuclear Physics (AREA)
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Abstract
The invention relates to a supporting device, an in-pile component supporting assembly and an installation method of the supporting device. The supporting device comprises a supporting component, the supporting component comprises a first supporting part and a second supporting part, and the first supporting part is arranged above the second supporting part; the first supporting part is used for supporting an upper component in the internal pile component, and the second supporting part is used for supporting a lower component in the internal pile component; the positioning component is provided with a first positioning part and a second positioning part; the first positioning part is used for being matched with a lower positioning structure on the lower component so as to determine the relative position between the positioning assembly and the lower component; the second positioning part is used for being matched with the supporting component so as to determine the relative position between the positioning component and the supporting component. In the above invention, the support device can prevent the transferred upper member from contacting the core around the lower member, thereby preventing the core from being damaged and prolonging the service life of the core.
Description
Technical Field
The invention relates to the technical field of equipment loading, in particular to a supporting device in-pile component supporting assembly and a supporting device mounting method.
Background
The nuclear power station is characterized in that reactor internals and a reactor core (fuel rods) are arranged in a reactor pool of the nuclear power station, the loading and unloading of the reactor core in the reactor pool to the component pool are core work in the nuclear power station refueling overhaul, when the reactor core is loaded and unloaded, the upper components in the reactor pool are required to be transferred to the component pool, boron water is filled in the component pool, and then the reactor core in the reactor pool is transferred to the component pool.
When the loading and unloading equipment or the fuel conveying device breaks down, the component pool is filled with high-radioactivity boron water for shielding the upper component, so that the component pool cannot be directly repaired in the component pool. Therefore, the upper member in the member pool needs to be hoisted back to the water piling pool, and the boron water in the member pool is discharged later, so that the loading and unloading equipment or the fuel transportation can be maintained in the member pool. However, when the core part in the pool is transferred into the pool, and the upper member is directly hung back and placed on the lower member, the core which is not transferred may be inserted, and the core may be damaged, thereby affecting the core life.
Disclosure of Invention
In view of the above, it is desirable to provide a support device, a reactor internals support assembly, and a method of installing the support device that do not affect the useful life of the core.
A support device, comprising:
the supporting assembly comprises a first supporting part and a second supporting part, and the first supporting part is arranged above the second supporting part; wherein the first support part is used for supporting an upper member in the pile member, and the second support part is used for supporting a lower member in the pile member;
the positioning component is provided with a first positioning part and a second positioning part; the first locating portion is configured to cooperate with a lower locating feature on the lower member to determine a relative position between the locating assembly and the lower member; the second positioning part is used for being matched with the supporting component so as to determine the relative position between the positioning component and the supporting component.
Preferably, in one embodiment, the first positioning portion includes a first positioning hole, and the lower positioning structure is sleeved in the first positioning hole; the second positioning part comprises a second positioning hole, and the supporting component is sleeved in the second positioning hole.
Preferably, in one embodiment, the supporting device further includes a buffering component, and the buffering component is sleeved on the first positioning portion.
Preferably, in one embodiment, the cushion assembly is provided with an eversion extending outwardly along the end of the first locator hole.
Preferably, in one embodiment, the supporting device further includes a connecting assembly, and the connecting assembly is disposed between the buffering assembly and the positioning assembly, and is used for fixedly connecting the buffering assembly to the positioning assembly.
Preferably, in one embodiment, the supporting device further comprises a fastening component, and the fastening component is arranged between the supporting component and the positioning component and used for connecting the supporting component and the positioning component.
Preferably, in one of the embodiments, the supporting device further comprises a moving assembly for moving the supporting device.
Preferably, in one embodiment, the moving assembly comprises:
a first moving member including an operation portion and a connection portion;
the second moving part is arranged on the positioning assembly; the second moving component is provided with a mounting hole, and the second moving component is sleeved outside the connecting part through the mounting hole.
An in-pile member supporting assembly, comprising an upper member, a lower member, and any one of the above-mentioned supporting devices; wherein a first support of the support arrangement abuts the upper member and a second support of the support arrangement abuts the lower member.
A method of installing a support device, comprising:
moving the support assembly and the positioning assembly above the lower member by operating the moving assembly;
adjusting the relative position of the positioning assembly and the lower member;
removing the moving assembly;
an upper member is placed on an upper surface of the support assembly.
According to the supporting device, firstly, the mounting position of the supporting component is determined through the positioning component and the original lower positioning structure on the lower component, extra positioning targets do not need to be additionally arranged, and the supporting device is simple in structure and easy to operate. Then, the second supporting part in the supporting assembly abuts against the lower component, and the first supporting part in the supporting assembly abuts against the upper component, so that the upper component and the lower component are stably supported in a non-contact mode. Therefore, the support device can prevent the transferred upper member from contacting the core around the lower member, thereby preventing the core from being damaged and prolonging the service life of the core.
The supporting assembly of the in-pile member realizes the non-contact type supporting between the upper member and the lower member through the supporting device, and the whole assembly has a simple structure and is relatively stable.
The mounting method of the supporting device is simple in operation steps, low in operation difficulty, high in safety performance and high in accuracy.
Various specific structures of the present application, as well as the functions and effects thereof, will be described in further detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of a support device according to one embodiment of the present application;
FIG. 2 is a top view of a support device according to one embodiment of the present application;
FIG. 3 isbase:Sub>A cross-sectional view of the support device of one embodiment of the present application taken along section A-A of FIG. 2;
FIG. 4 isbase:Sub>A cross-sectional view of the support device taken along section A-A of FIG. 2 in one embodiment of the present application, wherein the first movable member is not shown;
FIG. 5 is a cross-sectional view of the support device of one embodiment of the present application taken along section B-B of FIG. 2;
FIG. 6 isbase:Sub>A cross-sectional view of the support assembly taken along section A-A of FIG. 2 according to one embodiment of the present application;
FIG. 7 isbase:Sub>A cross-sectional view taken along section A-A of FIG. 2 illustrating the lower member of the support device in an operative condition according to one embodiment of the present application;
fig. 8 isbase:Sub>A cross-sectional view of the support device of one embodiment of the present application taken along the linebase:Sub>A-base:Sub>A in fig. 2, with the upper and lower members shown and the first moving member not shown.
Wherein, in the reference numeral, 100-a support assembly; 110-a first support; 120-a second support; 200-a positioning assembly; 210-a first positioning portion; 211-a first positioning hole; 220-a second location section; 221-a second positioning hole; 230-a first mounting hole; 240-second mounting hole; 300-a buffer component; 310-eversion; 400-a connection assembly; 500-a fastening assembly; 600-a moving assembly; 610-a first moving part; 620-a second moving part; 621-a second moving part; 900-internals; 910-an upper member; 920-a lower member; 921 — lower positioning structure.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In one application scenario, the support apparatus of the present application is applied to support the reactor internals 900 in a split manner. The internals include an upper member 910 and a lower member 920, and the lower member 920 is provided with a lower positioning structure 921 matching with the upper member 910. In the initial state, the upper member 910 is assembled as an in-stack member by cooperating with the lower positioning structure 921 in the lower member 920; in the first working condition, the upper member 910 is removed from the lower member 920 and the relevant operations are performed around the lower member 920; in the second operating condition, it is necessary to move the upper member 910 back into assembly with the lower member 920. In the second operating state, since the environment around the lower member 920 has been changed, the upper member 910 cannot be positioned at a lower portion of the lower member 920 to be structurally assembled therebetween. The supporting device is disposed between the upper member and the lower member in the second operating state to realize the separated support of the upper member 910 and the lower member 920.
Specifically, the internals may be internals in a reactor pool of a nuclear power plant, and the first operating state is to transfer the upper member 910 to the internals pool and fill the internals pool with boron water to transfer fuel rods in the reactor pool to the internals pool. In the second working state, the fuel-related equipment in the component pool is abnormal, and the upper component needs to be transferred back to the water piling pool to drain the boron water in the component pool so as to repair the fuel-related equipment in the component pool. The supporting device is an isolation structure between the upper member and the lower member when the upper member is transferred back to the water storage pool.
In one embodiment, as shown in fig. 1 to 3, the supporting device includes a supporting component 100 and a positioning component 200. Specifically, the support assembly 100 includes a first support 110 and a second support 120. The first support portion 110 is disposed below the upper member 910 of the stack internal member 900, and the second support portion 120 is disposed above the lower member 920 of the stack internal member 900. The first support members 110 are used to support the upper member 910 of the internals 900 and the second support members 120 are used to support the lower member 920 of the internals 900. The positioning assembly 200 has a first positioning portion 210 and a second positioning portion 220. The first positioning portion 210 is adapted to cooperate with a lower positioning structure 921 on the lower member 920 to determine the relative position between the positioning assembly 200 and the lower member 920. The second positioning portion 220 is used for cooperating with the support assembly 100 to determine the relative position between the positioning assembly 200 and the support assembly 100, and thus between the support assembly 100 and the lower member 920.
To simplify the structure of the support assembly 100, as shown in FIG. 3, in one preferred embodiment, the support assembly 100 is a cylindrical structure. One end of the support assembly 100 is a first support 110, and the other end is a second support 120. In the use process of the supporting device, the supporting assembly 100 is located between the upper member 910 and the lower member 920, and two ends (the first supporting portion 110 and the second supporting portion 120) of the supporting assembly are respectively abutted to the lower surface of the upper member 910 and the lower surface of the lower member 920.
Further, in order to simplify the steps of mounting the support assembly 100 and the positioning assembly 200 and reduce the difficulty of mounting the support assembly 100 and the positioning assembly 200, in one preferred embodiment, the support assembly 100 is a cylindrical structure.
In order to ensure the supporting effect of the supporting components and the stability of the placing of the supporting device itself, in a preferred embodiment, the number of the second positioning portions 220 on the positioning components 200 is at least two, that is, each positioning component 200 and at least two supporting components 100 are matched to form a set of the in-pile component device.
In one preferred embodiment, the support assembly 100 extends in a vertical direction, with the upper first support 110 abutting a lower surface of the upper member 910 and the lower second support 120 abutting an upper surface of the lower member 920.
According to the supporting device, firstly, the mounting position of the supporting component is determined through the positioning component and the original lower positioning structure on the lower component, extra positioning objects do not need to be additionally arranged, and the supporting device is simple in structure and easy to operate. Then, the second supporting part in the supporting assembly abuts against the lower component, and the first supporting part in the supporting assembly abuts against the upper component, so that the upper component and the lower component are stably supported in a non-contact mode. Therefore, the support device can prevent the transferred upper member from contacting the core around the lower member, thereby preventing the core from being damaged and prolonging the service life of the core.
In one embodiment, as shown in fig. 3, in the supporting device, the first positioning portion 210 includes a first positioning hole 211, and the lower positioning structure 921 is disposed in the first positioning hole 211. The second positioning portion 220 includes a second positioning hole 221, and the supporting assembly 100 is sleeved in the second positioning hole 221. It will be appreciated that the first positioning hole 211 is sized as a hole structure that matches the size of the lower positioning structure 921, and the support assembly 100 is a cylindrical structure that matches the size of the second positioning hole 221.
In another embodiment, the first positioning portion 210 is a first protrusion (not shown) extending downward, and the lower positioning structure on the lower member 920 is a lower positioning hole. The first protrusion is used to cooperate with the lower positioning hole to limit the relative position between the positioning assembly 200 and the lower member 920.
According to the supporting device, the first positioning part is set as the first positioning hole, and the second positioning part is set as the second positioning hole, so that the supporting component is simple in structure, and the mounting step of the supporting device is simple and convenient.
In one embodiment, the support device further comprises a buffer assembly 300. The buffering element 300 is disposed on the first positioning portion 210.
In one preferred embodiment, the first positioning portion 210 is a first positioning hole 211, wherein the buffering element 300 is disposed in the first positioning hole 211.
In another embodiment, the first positioning portion 210 is a first protrusion, and the buffering element 300 is disposed on the first protrusion.
In one preferred embodiment, the cushioning element 300 is made of nylon.
In one preferred embodiment, the first positioning portion 210 has a rectangular cross-section. The cross-section of the lower positioning structure 921 is rectangular matching the cross-section of the first positioning portion 210. The positioning of the positioning assembly 200 and the lower member 920 in the horizontal plane can be realized through the first positioning portion 210, the positioning of the positioning assembly 200 in the vertical direction and the rotation direction can also be realized, the rotation of the positioning assembly 200 around the vertical axis can be effectively prevented, and the stability of the positioning assembly 200 in the working state can be improved.
In one specific embodiment, the cross-section of the first positioning portion 210 is square, and the cross-section of the lower positioning structure 921 is square matching the cross-section of the first positioning portion 210. By designing the first positioning portion 210 and the lower positioning structure 921 as a square, it is not necessary to confirm the side lengths of the first positioning portion 210 and the lower positioning structure 921 when the positioning assembly 200 is mounted on the lower member, which simplifies the mounting process of the supporting device and reduces the mounting difficulty.
Above-mentioned strutting arrangement through setting up buffering subassembly, can effectively avoid the in-process of locating component and lower part location structure assembly, to locating component or lower part location structure's wearing and tearing, has prolonged strutting arrangement's life, has guaranteed strutting arrangement's positioning accuracy, has improved the stability that strutting arrangement supported upper portion component.
In one embodiment, the buffering assembly 300 of the supporting device is provided with an outward-turned part 310, and the outward-turned part 310 extends along the end of the first positioning hole 211. Above-mentioned strutting arrangement is through turning up the buffering subassembly lock dress on locating component, prevents the in-process of follow-up installation, and buffering subassembly drops from locating component 200, has improved strutting arrangement stability under the operating condition.
In order to save the cost of raw materials and reduce the installation difficulty of the buffering assembly 300, as shown in fig. 3 and 4, in a preferred embodiment, the first positioning portion 210 is a first positioning hole 211, the first positioning hole 211 is a through hole, and the buffering assembly 300 is a "C" shaped structure. Specifically, two ends of the buffering component 300 are respectively fastened to two ends of the through hole.
In one preferred embodiment, as shown in fig. 3 and 4, the number of the buffering assemblies 300 is two, and the buffering assemblies are respectively disposed on two sides of the first positioning portion 210 or two sides of the lower positioning structure 921.
To achieve omni-directional protection of the first positioning portion 210 of the positioning assembly 200, in another embodiment, the buffering assembly 300 is a ring structure extending along the first positioning portion 210 to completely separate the first positioning portion 210 from the lower positioning structure 921.
To ensure the stability of the support device mounted on the lower positioning structure, in one embodiment, the support device further comprises a connection assembly 400. The connecting assembly 400 is disposed between the buffering assembly 300 and the positioning assembly 200. The connecting assembly 400 is used to fixedly connect the buffering assembly 300 to the positioning assembly 200.
In one embodiment, the connection assembly 400 is a connection screw.
In one embodiment, the connection assembly 400 abuts the positioning assembly 200 through the damping assembly 300.
In one embodiment, the connection assembly 400 abuts the bumper assembly 300 through the positioning assembly 200.
In one preferred embodiment, as shown in fig. 6, the positioning assembly 200 is provided with a first mounting hole 230 for mounting the connecting assembly 400.
Above-mentioned strutting arrangement is fixed in the locating component through coupling assembling on will cushioning the subassembly, prevents the in-process that uses, and the buffering subassembly slides between locating component and lower part location structure, improves the buffering effect of buffering subassembly.
In one embodiment, the supporting device further comprises a fastening assembly 500. The fastening assembly 500 is disposed between the support assembly 100 and the positioning assembly 200. The fastening assembly 500 is used to connect the support assembly 100 and the positioning assembly 200. Above-mentioned strutting arrangement is fixed in locating component through fastening components on with supporting component, has improved strutting arrangement's stability.
In one preferred embodiment, the fastening assembly 500 is a bolt.
In one preferred embodiment, the fastening assembly 500 abuts the positioning assembly 200 through the support assembly 100.
In one preferred embodiment, the fastening assembly 500 abuts the support assembly 100 through the positioning assembly 200.
In another embodiment, the support member 100 is mated with the positioning member 200 via an optical aperture, and the support member 100 is interference fit with the positioning member 200.
In one preferred embodiment, as shown in fig. 6, the positioning assembly 200 is provided with a second mounting hole 240 for mounting the fastening assembly 500, and in particular, the second mounting hole 240 may be a counter bore.
In one embodiment, the supporting device further comprises a moving assembly 600. The moving assembly 600 is used for connecting the supporting device, and the supporting device is driven to move by operating the moving assembly 600. Above-mentioned strutting arrangement can realize strutting arrangement's nimble removal through removing the subassembly, is particularly useful for extreme environment strutting arrangement's transfer, for example narrow and small environment or perhaps cause the strutting arrangement's of the environment of injury under the environment of personnel's injury transfer.
In one embodiment, as shown in fig. 1, 2, 3, 5 and 7, the moving assembly 600 includes a first moving member 610 and a second moving member 620. The first moving member 610 includes an operating portion (not shown) and a connecting portion (not shown), and the second moving member 620 is disposed on the positioning assembly 200. The second moving member 620 is formed with a mounting hole 621, the size of the mounting hole 621 matches with the size of the connecting portion, and the supporting device is sleeved outside the connecting portion by matching with the connecting portion through the mounting hole 621. In the process of using the moving component to move the supporting device, the connecting portion is matched with the mounting hole, the first moving component is connected to the positioning component 200, and the operating portion drives the positioning component 200 and the supporting component 100 to move.
In another embodiment, the moving assembly 600 includes an operating portion (not shown) and a clamping portion (not shown). In the use process, the clamping part is controlled by the operation part to clamp the supporting component and the positioning component, and then the supporting device is arranged on the lower component.
Above-mentioned strutting arrangement will remove the first moving part and the second moving part that the subassembly design is for dismantling the connection, realize under the condition to strutting arrangement's the transfer, need not to occupy extra space, simplified the design degree of difficulty of first supporting part and second supporting part among the supporting assembly.
In one embodiment, an in-pile support assembly includes an upper member 910, a lower member 920, and any one of the above-described support devices. Wherein the first support part 110 of the support device abuts against the upper member 910, and the second support part 120 of the support device abuts against the lower member 920.
The supporting assembly of the in-pile member realizes the non-contact type supporting between the upper member and the lower member through the supporting device, and the whole assembly has a simple structure and is relatively stable.
In one embodiment, as shown in fig. 7 and 8, a method for mounting a support device includes the following steps:
step 1: the support assembly 100 and the positioning assembly 200 are moved above the lower member 920 by operating the moving assembly 600.
Specifically, the first moving part 610 and the second moving part 620 are assembled, the second moving part 620 is driven to move by operating the operating part on the first moving part 610, and then the positioning assembly 200 and the supporting assembly 100 are driven to move by the second moving part 620, that is, the whole supporting device is moved.
And 2, step: the relative position of the positioning assembly 200 and the lower member 920 is adjusted.
Specifically, the relative positions of the first positioning member 210 in the positioning assembly 200 and the lower positioning structure in the lower member 920 are adjusted to accurately fit the positioning assembly 200 on the lower positioning structure 921.
And step 3: the moving assembly 600 is removed from the positioning assembly 200.
Specifically, the first moving member 610 of the moving assembly 600 is removed from the positioning assembly 200, so that the occupied space of the moving assembly 600 in the working state is reduced.
And 4, step 4: the upper member is placed on the upper surface of the support assembly.
The mounting method of the supporting device has the advantages of simple operation steps, lower operation difficulty, high safety performance and high accuracy.
In one specific embodiment, step 2, i.e., adjusting the relative position of the positioning assembly and the lower member, comprises the steps of:
step 21: first position information of the first positioning portion 210 in the positioning assembly 200 is acquired.
Step 22: second position information of the lower positioning structure 921 in the lower member 920 is acquired.
Step 23: and adjusting the position of the first positioning portion 210 according to the first position information and the second position information to obtain the adjusted first position information until the components of the adjusted first position information and the adjusted second position information in the preset plane are the same.
Specifically, it is understood that the components of the adjusted first position information and the second position information in the preset plane are the same, which means that the adjusted first positioning portion 210 can be precisely assembled with the lower positioning structure in a certain preset plane. The mounting method of the supporting device is simple in operation steps and high in accuracy.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A support device for split-supporting internals, comprising:
the supporting assembly comprises a first supporting part and a second supporting part, one end of the supporting assembly is the first supporting part, the other end of the supporting assembly is the second supporting part, the first supporting part is arranged above the second supporting part, the supporting assembly is positioned between the upper component and the lower component, and the first supporting part and the second supporting part are respectively abutted to the lower surface of the upper component and the lower surface of the lower component; the first support part is used for supporting an upper component in the in-pile component, and the second support part is used for supporting a lower component in the in-pile component;
the positioning component is provided with a first positioning part and a second positioning part; the first locating portion is configured to cooperate with a lower locating feature on the lower member to determine a relative position between the locating assembly and the lower member; the second positioning part is used for matching with the supporting component so as to determine the relative position between the positioning component and the supporting component; the first positioning part comprises a first positioning hole, and the lower positioning structure is sleeved in the first positioning hole; the second positioning part comprises a second positioning hole, and the supporting component is sleeved in the second positioning hole.
2. The support device of claim 1, further comprising a buffer member, wherein the buffer member is disposed on the first positioning portion.
3. A support device as claimed in claim 2, wherein the cushioning assembly is provided with an eversion extending outwardly along the end of the first location aperture.
4. The support device of claim 2, further comprising a connection assembly disposed between the buffer assembly and the positioning assembly for fixedly connecting the buffer assembly to the positioning assembly.
5. The support device of claim 1, further comprising a fastening assembly disposed between the support assembly and the positioning assembly for connecting the support assembly and the positioning assembly.
6. The support device of claim 1, further comprising a movement assembly for moving the support device.
7. The support device of claim 6, wherein the movement assembly comprises:
a first moving member including an operation portion and a connection portion;
the second moving part is arranged on the positioning assembly; the second moving component is provided with a mounting hole, and the second moving component is sleeved outside the connecting part through the mounting hole.
8. A internals support assembly comprising an upper member, a lower member, and a support arrangement according to any one of claims 1 to 7; wherein a first support of the support arrangement abuts the upper member and a second support of the support arrangement abuts the lower member.
9. A method of mounting a support device, comprising a support device according to any one of claims 1 to 7, and:
moving the support assembly and the positioning assembly above the lower member by operating the moving assembly;
adjusting the relative position of the positioning assembly and the lower member;
removing the moving assembly;
an upper member is placed on an upper surface of the support assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1067914A (en) * | 1963-10-30 | 1967-05-10 | Commissariat Energie Atomique | Swimming pool reactor |
| EP0329541A1 (en) * | 1988-02-15 | 1989-08-23 | Framatome | Nuclear reactor upper internal provisions with cluster guide devices |
| EP0370427A2 (en) * | 1988-11-25 | 1990-05-30 | ABB Reaktor GmbH | Core insertions for a water-cooled nuclear reactor |
| EP0827158A1 (en) * | 1996-08-02 | 1998-03-04 | Westinghouse Electric Corporation | Apparatus and method for replacing internal components in a nuclear reactor |
| CN102257575A (en) * | 2008-12-17 | 2011-11-23 | 西屋电气有限责任公司 | Upper internal arrangement for a pressurized water reactor |
| CN206263862U (en) * | 2016-11-15 | 2017-06-20 | 三门核电有限公司 | A kind of pad instrument installed for upper-part in-reactor component control rod guide tubes and bundles |
| CN109243647A (en) * | 2018-10-18 | 2019-01-18 | 上海第机床厂有限公司 | The fixation device of reactor upper-part in-reactor component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2966278B1 (en) * | 2010-10-14 | 2012-12-21 | Areva Np | DEVICE FOR MOMENTANEALLY SUPPORTING UPPER INTERNAL EQUIPMENT ON A TANK OF A PRESSURIZED WATER NUCLEAR REACTOR |
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2020
- 2020-09-22 CN CN202011002071.7A patent/CN112133463B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1067914A (en) * | 1963-10-30 | 1967-05-10 | Commissariat Energie Atomique | Swimming pool reactor |
| EP0329541A1 (en) * | 1988-02-15 | 1989-08-23 | Framatome | Nuclear reactor upper internal provisions with cluster guide devices |
| EP0370427A2 (en) * | 1988-11-25 | 1990-05-30 | ABB Reaktor GmbH | Core insertions for a water-cooled nuclear reactor |
| EP0827158A1 (en) * | 1996-08-02 | 1998-03-04 | Westinghouse Electric Corporation | Apparatus and method for replacing internal components in a nuclear reactor |
| CN102257575A (en) * | 2008-12-17 | 2011-11-23 | 西屋电气有限责任公司 | Upper internal arrangement for a pressurized water reactor |
| CN206263862U (en) * | 2016-11-15 | 2017-06-20 | 三门核电有限公司 | A kind of pad instrument installed for upper-part in-reactor component control rod guide tubes and bundles |
| CN109243647A (en) * | 2018-10-18 | 2019-01-18 | 上海第机床厂有限公司 | The fixation device of reactor upper-part in-reactor component |
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|---|---|
| CN112133463A (en) | 2020-12-25 |
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