CN211904070U - Positioning device of nuclear fuel assembly framework and measuring equipment thereof - Google Patents
Positioning device of nuclear fuel assembly framework and measuring equipment thereof Download PDFInfo
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- CN211904070U CN211904070U CN202020063677.0U CN202020063677U CN211904070U CN 211904070 U CN211904070 U CN 211904070U CN 202020063677 U CN202020063677 U CN 202020063677U CN 211904070 U CN211904070 U CN 211904070U
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- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 71
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 abstract description 10
- 239000000523 sample Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to the field of nuclear fuel assembly framework measurement, and discloses a positioning device of a nuclear fuel assembly framework and a measuring device thereof, wherein the positioning device comprises a bottom plate, a bottom supporting piece, a side supporting piece, a positioning piece and a transfer plate, and at least two bottom supporting pieces are arranged at intervals along a first direction; the number of the side leaning supporting pieces is at least two, and the side leaning supporting pieces are arranged beside the bottom supporting piece and aligned along the first direction; the positioning pieces are arranged at intervals relative to the bottom supporting piece along the first direction, and the upper ends of the positioning pieces are higher than the supporting surface of the bottom supporting piece; the adapter plate is used for fixing the bottom supporting piece and the positioning piece and is fixedly connected to the bottom plate. The bottom support piece is used for supporting the framework, the side leaning support piece is used for enabling the axis of the length direction of the framework to be parallel to the first direction, the positioning piece is used for positioning the framework in the first direction, the nuclear fuel assembly framework is placed accurately, and the problems that the coordinate system in the measuring process is different in data collecting point establishment and poor in measuring repeatability are solved.
Description
Technical Field
The utility model relates to a nuclear fuel assembly skeleton measurement field especially relates to positioner and measuring equipment of nuclear fuel assembly skeleton.
Background
At present, measurement is generally carried out by manually carrying and placing a framework when the framework of the nuclear fuel assembly is measured, but the framework cannot be ensured to be parallel to a Y coordinate axis of measuring equipment in the length direction by manually placing the framework, so that the equipment is in danger of collision in the measuring process; in addition, the problem that the repeatability of measurement is poor due to different data acquisition points established by a coordinate system in the measurement process because the manual placement positions are different in the Y-axis direction is also caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positioner and measuring equipment of nuclear fuel group price skeleton, it leads to the technical problem that skeleton position is inaccurate, data acquisition point is different and measuring repeatability is not good when aiming at solving the manual work and placing the nuclear fuel subassembly skeleton.
In order to achieve the above purpose, the utility model provides a scheme is:
a first object of the present invention is to provide a positioning device for a nuclear fuel assembly frame, which comprises a bottom plate and further comprises:
the number of the bottom supporting pieces is at least two, and the bottom supporting pieces are arranged at intervals along a first direction;
the number of the side leaning supporting pieces is at least two, and the side leaning supporting pieces are arranged beside the bottom supporting piece and are aligned along the first direction;
the positioning piece is arranged along the first direction relative to the bottom support piece at intervals, and the upper end of the positioning pin is higher than the supporting surface of the bottom support piece.
The adapter plate is used for fixing the bottom supporting piece and the positioning piece and fixedly connected to the bottom plate.
Optionally, a second direction perpendicular to the first direction is defined, and the positioning element includes at least one positioning pin arranged along the second direction and a fixing plate for fixing the positioning pin to the adapter plate.
Further, the quantity of locating pin is 2, the locating pin sets up in order to be used for leaning on the nozzle of nuclear fuel assembly skeleton along the second direction interval.
Furthermore, the positioning pin is fixedly connected with the fixing plate through a screw manner, a screw is arranged at one end of the positioning pin, which is connected with the fixing plate, and at least two threaded holes for the screw to be screwed in are arranged on the fixing plate along the second direction.
Optionally, the number of the bottom supports is 11 for corresponding to the grid in which the nuclear fuel assembly skeleton is placed.
Furthermore, the number of the side supporting pieces is 2, and the two side supporting pieces are respectively arranged at the sides of the head and the tail of the two bottom supporting pieces in the first direction; or,
the number of the side leaning support pieces is the same as that of the bottom support pieces, and the side leaning support pieces are correspondingly arranged beside the bottom support pieces.
Optionally, the bottom supporting piece and the side supporting piece are fixedly connected by a bolt, a first mounting hole is formed beside the bottom supporting piece, and a first through hole is correspondingly formed in the side supporting piece; or,
the bottom support and the side leaning support are integrated.
Optionally, the bottom supporting piece and the adapter plate are fixedly connected in a bolt manner, the fixing plate and the adapter plate are fixedly connected in a bolt manner, second through holes are formed in both the bottom supporting piece and the fixing plate, and a plurality of second mounting holes corresponding to the second through holes are formed in the adapter plate in the first direction; and/or the presence of a gas in the atmosphere,
the adapter plate is fixedly connected with the base plate in a bolt mode, a third through hole is formed in the adapter plate along the first direction, and a third mounting hole corresponding to the third through hole is formed in the base plate.
A second object of the present invention is to provide a nuclear fuel assembly skeleton measuring device, including the above-mentioned positioning device and with the measuring device that the positioning device cooperates and uses, the bottom plate does the measuring work platform of nuclear fuel assembly skeleton measuring device.
Further, the nuclear fuel assembly skeleton measuring equipment also comprises an automatic handling device for placing the nuclear fuel assembly skeleton on the positioning device.
The utility model provides a positioning device of nuclear fuel assembly skeleton, through setting up two at least bottom support pieces at intervals in the first direction for bear the weight of nuclear fuel assembly skeleton, through setting up the side by support piece at the bottom support piece side, and align along the first direction, be used for being parallel with the first direction with the length direction axis of the nuclear fuel assembly skeleton of placing; the positioning piece is arranged at intervals relative to the bottom support piece along the first direction, and comprises at least one positioning pin arranged along the second direction, and the upper end face of the positioning pin is higher than the supporting face of the bottom support piece and used for abutting against a lower pipe seat of the nuclear fuel assembly framework, so that the nuclear fuel assembly framework is positioned in the first direction; the utility model provides a positioner can realize that the position that nuclear fuel assembly skeleton was placed is accurate, and it is different to solve to establish data acquisition point at the measurement process coordinate system, problem that measuring repeatability is not good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a positioning device of a nuclear fuel assembly skeleton according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
fig. 3 is a schematic view of a nuclear fuel assembly skeleton according to an embodiment of the present invention placed on a positioning device;
in the figure: 10-bottom plate, 20-bottom support, 21-second through hole, 30-lateral support, 40-positioning piece, 41-positioning pin, 42-fixing plate, 43-threaded hole, 50-adapter plate, 51-second mounting hole, 52-third through hole, 60-lower tube seat and 70-grid.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also 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.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly 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 addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a positioning device for a nuclear fuel assembly frame, which includes a bottom plate 10, a bottom supporting member 20, a lateral leaning supporting member 30, a positioning member 40 and an adapter plate 50, wherein at least two bottom supporting members 20 are disposed at an interval along a first direction for bearing the nuclear fuel assembly frame, at least two lateral leaning supporting members 30 are disposed at a side of the bottom supporting member 20 and aligned along the first direction for parallel a length direction axis of the nuclear fuel assembly frame with the first direction, and the bottom supporting member 20 and the lateral leaning supporting member 30 are combined to position the nuclear fuel assembly frame in a second direction, wherein the second direction is defined as a direction perpendicular to the first direction; the positioning member 40 is arranged at intervals relative to the bottom support member 20 along a first direction, the positioning member 40 comprises at least one positioning pin 41 arranged along a second direction, the upper end surface of the positioning pin 41 is higher than the supporting surface of the bottom support member 20 and can be used for abutting against a lower tube seat 60 of a nuclear fuel assembly, and further positioning of the nuclear fuel assembly framework in the first direction is realized, in addition, the adapter plate 50 is used for fixing the bottom support member 20 and the positioning member 40 and fixedly connecting the adapter plate 50 to the bottom plate 10, so that the nuclear fuel assembly framework and the bottom plate 10 can keep a certain distance during measurement, and characteristics can be conveniently acquired on the lower tube seat 60 and a sleeve, thus, the positioning device of the nuclear fuel assembly framework provided by the utility model can position the nuclear fuel assembly framework in the first direction and the second direction, accurate placement of the nuclear fuel assembly framework is realized, and the problem that a coordinate system establishes data acquisition points in the measurement process is different is also solved, the measurement repeatability is not good.
The positioning member 40 includes at least one positioning pin 41 arranged along the second direction and a fixing plate 42 for fixing the positioning pin 41 to the adapter plate 50, and when the lower tube seat 60 of the nuclear fuel assembly skeleton abuts against the positioning pin 41, the nuclear fuel assembly skeleton is positioned in the first direction.
Specifically, referring to fig. 2, the number of the positioning pins 41 is 2, the positioning pins 41 are arranged at intervals along the second direction and used for abutting against the lower tube seats 60 of the nuclear fuel assembly frame, the positioning pins 41 are fixedly connected with the fixing plate 42 in a screw manner, a screw (not shown in the figure) is arranged at one end of the positioning pins 41, which is connected with the fixing plate 42, at least two threaded holes 43 into which the screws (not shown in the figure) are screwed are arranged on the fixing plate 42 along the second direction, and if two threaded holes 43 are formed in the fixing plate 42, the distance between the threaded holes 43 can be fixed according to requirements, so as to fix the distance between the two positioning pins 41, and the nuclear fuel assembly frame is; if the number of the threaded holes 43 in the fixing plate 42 is larger than two, the positioning pins 41 can be screwed into the threaded holes 43 with required intervals along with the difference of the sizes of the frameworks of the nuclear fuel assemblies, so that the adjustability of the intervals between the positioning pins 41 is realized, and the operability is good.
It should be noted that the number of the positioning pins 41 is not limited to two, and may be any other number capable of abutting against the skeleton of the nuclear fuel assembly.
The positioning pin 41 is connected with the fixing plate 42 by a screw, and the screw (not shown) is correspondingly arranged with the threaded hole 43 to realize the detachability between the positioning pin 41 and the fixing plate 42, so as to adjust the distance between the positioning pins 41.
It should be noted that, in a specific practical application, the positioning pin 41 and the fixing plate 42 are not limited to be fixedly connected by screws, and other detachable connection methods can be substituted.
Referring to fig. 3, the skeleton product of the nuclear fuel assembly in the prior art is a rectangular parallelepiped, and comprises 1 lower pipe seat 60 and 11 grids 70, etc., the length of the whole skeleton is about 4000mm, specifically, the number of the bottom supporting members 20 is 11, so as to correspond to the grids 70 for placing the skeleton of the nuclear fuel assembly, and further to support the skeleton of the nuclear fuel assembly, a lateral supporting member 30 is provided beside each bottom supporting member 20, the supporting members are aligned in a first direction, when the grids 70 of the skeleton of the nuclear fuel assembly are attached to the respective lateral supporting members 30, the longitudinal axis of the skeleton can be parallel to the first direction, or only 2 lateral supporting members 30 are provided, and the two lateral supporting members 30 are respectively provided at the first and last bottom supporting members 20 in the first direction, that is, the lateral supporting members 30 are provided at the first and eleventh bottom supporting members 20 in the first direction, when the lattice 70 of the nuclear fuel assembly skeleton is abutted against the two side support members 30, the lengthwise axis of the skeleton may be made parallel to the first direction.
It should be noted that the number of the bottom support members 20 is not limited to 11, and other numbers may be provided as long as the nuclear fuel assembly skeleton can be supported; the number of the side support members 30 is not limited to 2 or 11, and other numbers may be provided as long as the longitudinal axis of the nuclear fuel assembly skeleton is parallel to the first direction when the lattice 70 of the nuclear fuel assembly skeleton is closely attached; the mounting position of the side support 30 is not limited to the side of the head-to-tail bottom support 20, and other positions can be used to replace the longitudinal axis of the nuclear fuel assembly skeleton being parallel to the first direction.
Wherein, the height of leaning on support piece 30 to the side sets up to 80mm, like this, neither influences the normal use of probe needle when measuring, also can play and fix a position nuclear fuel assembly skeleton in the second direction.
It should be noted that in practical applications, the height of the side support 30 is not limited to 80mm, and the probe pin can be replaced by the probe pin as long as the probe pin does not affect the normal use of the probe pin during measurement and can perform the function of positioning the nuclear fuel assembly skeleton in the second direction.
Referring to fig. 2, the bottom support 20 and the side support 30 are fixedly connected by bolts for easy detachment. Specifically, a first mounting hole (not shown) is formed at a side end of the bottom support member 20, and a first through hole (not shown) is correspondingly formed in the side support member 30, so that a bolt can pass through the first mounting hole (not shown) and the corresponding first through hole (not shown) to fixedly connect the bottom support member 20 and the side support member 30; the bottom support 20 and the side support 30 can also be designed as one piece, which makes the connection between the bottom support 20 and the side support 30 more tight.
It should be noted that in a specific application, the bottom support 20 and the side support 30 are not limited to being fixedly connected by bolts, and other detachable connection methods can be substituted.
Referring to fig. 2, the bottom support 20 and the adapter plate 50 are fixedly connected by a bolt, and the fixing plate 42 and the adapter plate 50 are fixedly connected by a bolt, which is convenient to detach, specifically, the bottom support 20 and the fixing plate 42 are both provided with a second through hole 21, and the adapter plate 50 is provided with a plurality of second mounting holes 51 corresponding to the second through holes 21 in the first direction, so that the bolts can pass through the second mounting holes 51 and correspond to the second through holes 21 to fixedly connect the bottom support 20 or the fixing plate 42 and the adapter plate 50, and the second through holes 21 can correspond to the second mounting holes 51 at required positions according to requirements due to the design of the plurality of second mounting holes 51, thereby facilitating the adjustment of the distance between the bottom support 20 or the adjustment of the distance between the positioning member 40 and the bottom support 20.
It should be noted that in a specific application, the bottom support 20 or the fixing plate 42 and the adapter plate 50 are not limited to be fixedly connected by bolts, and other detachable connection methods can be substituted.
The adapter plate 50 is fixedly connected with the base plate 10 through a bolt, so that the adapter plate is convenient to detach, the adapter plate 50 is provided with a third through hole 52 along the first direction, and the base plate 10 is provided with a third mounting hole (not shown) corresponding to the third through hole 52, so that a bolt can pass through the third mounting hole (not shown) and the corresponding third through hole 52 to fixedly connect the adapter plate 50 with the base plate 10, and the adapter plate 50 can be fixed at a corresponding position on the base plate 10 according to requirements.
It should be noted that, in a specific practical application, the adapter plate 50 and the base plate 10 are not limited to be fixedly connected by bolts, and other detachable connection methods can be substituted.
The embodiment of the utility model provides a nuclear fuel assembly skeleton measuring equipment is still provided, including foretell positioner and the measuring device who uses with the positioner cooperation, bottom plate 10 is nuclear fuel assembly skeleton measuring equipment's measurement work platform.
When the positioning device of the nuclear fuel assembly framework provided by the utility model is applied to nuclear fuel assembly framework measuring equipment, the nuclear fuel assembly framework is placed on the positioning device, the grillwork 70 of the nuclear fuel assembly framework is correspondingly placed on the bottom support piece 20, the heights of all the bottom support pieces 20 are kept consistent, so that the framework has the same coordinate position in the Z coordinate axis direction of the measuring equipment, all the grillworks 70 are tightly attached to the side support piece 30, the length direction of the nuclear fuel assembly framework is parallel to the first direction (namely Y coordinate axis), so that the nuclear fuel assembly framework has the same coordinate position in the X coordinate axis direction of the measuring equipment, the framework can be positioned in the X coordinate axis direction of the measuring equipment, in addition, the lower pipe seat 60 of the nuclear fuel assembly framework is tightly attached to the positioning pin 41, and the nuclear fuel assembly framework can be positioned in the Y coordinate axis direction of the measuring equipment, therefore, the nuclear fuel assembly framework is positioned in the X coordinate axis direction and the Y coordinate axis direction by the arrangement of the supporting piece 30 and the positioning piece 40, the accurate placement of the nuclear fuel assembly framework position during measurement is realized, and the problems that different data acquisition points are established in a coordinate system in the measurement process, and the measurement repeatability is poor are solved.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. Positioner of nuclear fuel assembly skeleton, positioner includes the bottom plate, its characterized in that still includes:
the number of the bottom supporting pieces is at least two, and the bottom supporting pieces are arranged at intervals along a first direction;
the number of the side leaning supporting pieces is at least two, and the side leaning supporting pieces are arranged beside the bottom supporting piece and are aligned along the first direction;
the positioning pieces are arranged at intervals along the first direction relative to the bottom support piece, and the upper ends of the positioning pieces are higher than the supporting surface of the bottom support piece;
the adapter plate is used for fixing the bottom supporting piece and the positioning piece and fixedly connected to the bottom plate.
2. The positioning apparatus of claim 1, wherein a second direction is defined perpendicular to the first direction, and the positioning member comprises at least one positioning pin and a fixing plate for fixing the positioning pin to the adapter plate along the second direction.
3. The positioning device of claim 2, wherein the number of the positioning pins is 2, and the positioning pins are arranged at intervals along the second direction for abutting against a bottom nozzle of the nuclear fuel assembly skeleton.
4. The positioning device according to claim 3, wherein the positioning pin is fixedly connected with the fixing plate by a screw, a screw is provided at one end of the positioning pin connected with the fixing plate, and at least two threaded holes for the screw to be screwed are provided on the fixing plate along the second direction.
5. The positioning device according to claim 1, wherein the number of the bottom supports is 11 for corresponding placement of the lattice of the nuclear fuel assembly skeleton.
6. The positioning device as set forth in claim 5, wherein the number of said side supporting members is 2, and two of said side supporting members are respectively disposed beside two of said bottom supporting members at the beginning and the end in said first direction; or,
the number of the side leaning support pieces is the same as that of the bottom support pieces, and the side leaning support pieces are correspondingly arranged beside the bottom support pieces.
7. The positioning device according to any one of claims 1 to 6, wherein the bottom supporting member is fixedly connected to the side supporting member by bolts, a first mounting hole is formed at a side of the bottom supporting member, and a first through hole is correspondingly formed on the side supporting member; or,
the bottom support and the side leaning support are integrated.
8. The positioning device according to any one of claims 2 to 4, wherein the bottom support member and the adapter plate are fixedly connected by a bolt, the fixing plate and the adapter plate are fixedly connected by a bolt, second through holes are formed in both the bottom support member and the fixing plate, and a plurality of second mounting holes corresponding to the second through holes are formed in the adapter plate in the first direction; and/or the presence of a gas in the atmosphere,
the adapter plate is fixedly connected with the base plate in a bolt mode, a third through hole is formed in the adapter plate along the first direction, and a third mounting hole corresponding to the third through hole is formed in the base plate.
9. The nuclear fuel assembly skeleton measuring device is characterized by comprising the positioning device as claimed in any one of claims 1 to 8 and a measuring device matched with the positioning device, wherein the bottom plate is a measuring working platform of the nuclear fuel assembly skeleton measuring device.
10. The nuclear fuel assembly skeletal measurement apparatus of claim 9, further comprising an automated handling device that places the nuclear fuel assembly skeletal measurement apparatus on the positioning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020063677.0U CN211904070U (en) | 2020-01-13 | 2020-01-13 | Positioning device of nuclear fuel assembly framework and measuring equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020063677.0U CN211904070U (en) | 2020-01-13 | 2020-01-13 | Positioning device of nuclear fuel assembly framework and measuring equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211904070U true CN211904070U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020063677.0U Active CN211904070U (en) | 2020-01-13 | 2020-01-13 | Positioning device of nuclear fuel assembly framework and measuring equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211904070U (en) |
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2020
- 2020-01-13 CN CN202020063677.0U patent/CN211904070U/en active Active
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