CN211904936U - Test bench and test system - Google Patents
Test bench and test system Download PDFInfo
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- CN211904936U CN211904936U CN202020223004.7U CN202020223004U CN211904936U CN 211904936 U CN211904936 U CN 211904936U CN 202020223004 U CN202020223004 U CN 202020223004U CN 211904936 U CN211904936 U CN 211904936U
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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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Abstract
The utility model discloses a test bench and test system, test bench (100) include: -a frame structure (1) comprising a plurality of uprights (11) and a plurality of cross-members (12) connected to each other, said frame structure (1) being arranged to house a nuclear reactor assembly (10) and a support device (20) of said nuclear reactor assembly (10) inside it, and to mount a containment unit (30) for containing said nuclear reactor assembly (10); a plurality of support units (2) arranged around the frame structure (1); and a platform (3) supported above the frame structure (1) by the plurality of support units (2), arranged to mount an operating unit (40) for operating the nuclear reactor assembly (10) and a measuring unit (50) for measuring the nuclear reactor assembly (10).
Description
Technical Field
The embodiment of the utility model provides a relate to nuclear engineering technical field, in particular to test bench and test system.
Background
The nuclear reactor assembly is an important component of the core and is closely related to the safe operation of the nuclear reactor. The nuclear reactor assembly can generate axial extension and radial bending deformation in the service life, and the first barrier for ensuring the safety of a core is the stress condition and the deformation condition of the nuclear reactor assembly which are effectively controlled. Therefore, the understanding of the deformation condition of the nuclear reactor component by developing the out-of-core test is of great significance, and the method is helpful for ensuring that all functions and performance indexes of the nuclear reactor component meet the design and operation requirements.
An off-core test of a nuclear reactor assembly comprising: the test method comprises the following steps of performing a single-component bending rigidity test, a single-component free thermal bending test, a single-component limited thermal bending test, a single-row component limited thermal bending test, a 60-degree sector component limited thermal bending test and the like, wherein the installation mode, the constraint mode, the applied load type, the measurement system and the like of the nuclear reactor component in different tests are different. In the test process, parameters such as temperature, deformation of the wall surface of the nuclear reactor component, acting force between the nuclear reactor components and the like need to be measured while the nuclear reactor component is restrained, so that a test bench with strong function, good stability and strong comprehensiveness is needed.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a test stand and a test system for solving at least one of the above technical problems.
According to an aspect of the utility model, a test bench is proposed, include: a frame structure comprising a plurality of uprights and a plurality of cross-members connected to each other, the frame structure being configured to house a nuclear reactor assembly and a support device for the nuclear reactor assembly inside it and to mount a restraining unit for restraining the nuclear reactor assembly; a plurality of support units disposed around the frame structure; and a platform supported above the frame structure by the plurality of support units, configured to mount an operating unit for operating the nuclear reactor assembly and a measurement unit for measuring the nuclear reactor assembly.
According to some embodiments, a first mounting portion is provided on a side of the platform adjacent to the frame structure, configured to mount the operating unit; the platform is kept away from frame construction's one side is equipped with the second installation department, sets up to the installation measuring unit.
According to some embodiments, the platform is provided with an opening corresponding to the frame structure, wherein the measurement unit is capable of measuring the nuclear reactor assembly through the opening.
According to some embodiments, the test rig further comprises a ladder connecting the ground and the platform.
According to some embodiments, the side of the upright is provided with a transversely extending pipe, the pipe is connected with a first flange, the end of the beam is connected with a second flange, and the first flange corresponds to the second flange and is connected through a connecting piece.
According to some embodiments, the frame structure comprises a cubic structure, the plurality of columns comprises a plurality of first columns and a plurality of second columns, the plurality of first columns are arranged at edges of the cubic structure, and the plurality of second columns are arranged close to any one of the first columns; the frame structure further comprises a support plate mounted on the plurality of second uprights and the first uprights adjacent thereto.
According to some embodiments, the plurality of columns further comprises a third column disposed between two adjacent first columns, wherein a constraining unit mounted to the third column can be used to constrain a vertex angle of the triangular array of nuclear reactor components.
According to the utility model discloses a further aspect provides a test system, include: the test bed frame; a nuclear reactor assembly; a support device configured to support the nuclear reactor assembly; a containment unit configured to contain the nuclear reactor assembly; an operating unit configured to operate the nuclear reactor assembly; a measurement unit configured to measure the nuclear reactor assembly; a first horizontal force loading unit connected to a first projection of the nuclear reactor assembly, mounted to the support plate; and a second horizontal force loading unit connected to a second protrusion of the nuclear reactor assembly, mounted to the frame structure at a position above the support plate.
According to some embodiments, the support device is provided with a plurality of reference lines.
In the test bench according to the embodiment of the present invention, by providing the frame structure, the nuclear reactor component and the support device can be placed inside the frame structure, and the constraint unit can be mounted thereon to constrain the nuclear reactor component, thereby satisfying the test requirements; by providing a platform above the frame structure, an operating unit and a measurement unit can be mounted on the platform to meet operating and measurement requirements for the nuclear reactor assembly.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Fig. 1 shows a schematic structural view of a test rig according to an exemplary embodiment of the present invention; and
fig. 2 shows a schematic structural view of the frame structure of the test stand of fig. 1.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components.
In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
Fig. 1 shows a schematic structural diagram of a test stand 100 according to an exemplary embodiment of the present invention, and as shown in fig. 1, the test stand 100 includes: a frame structure 1 including a plurality of columns 11 and a plurality of beams 12 connected to each other, the frame structure 1 being configured to accommodate therein a nuclear reactor assembly 10 and a support device 20 for the nuclear reactor assembly 10, and to mount a restraint unit 30 for restraining the nuclear reactor assembly 10; a plurality of support units 2 arranged around the frame structure 1; and a platform 3 supported above the frame structure 1 by a plurality of support units 2, arranged to mount an operating unit 40 for operating the nuclear reactor assembly 10 and a measuring unit 50 for measuring the nuclear reactor assembly 10.
The containment unit 30 can enclose the nuclear reactor assembly 10 or an array of nuclear reactor assemblies 10. The restriction unit 30 may include a first restriction unit 31 and a second restriction unit 32, the first restriction unit 31 being connected to a first protrusion of the nuclear reactor assembly 10, and the second restriction unit 32 being connected to a second protrusion of the nuclear reactor assembly 10. The nuclear reactor assembly 10 includes a head portion including a cylindrical operating portion operable by the operating unit 40, a body portion connected to the head portion, and a foot portion connected to the body portion; the body portion comprises an axially extending housing which may be, for example, a hollow hexagonal prism structure; the foot, which may be cylindrical, is adapted to mate with a receiving hole in the support device 20. The first protruding portions are circumferentially provided at intervals in an upper region of the body portion, and the second protruding portions are circumferentially provided at intervals in the head portion.
In the test stand 100 according to the embodiment of the present invention, by providing the frame structure 1, the nuclear reactor assembly 10 and the support device 20 can be placed inside thereof, and the restraint unit 30 can be mounted thereon to restrain the nuclear reactor assembly 10, satisfying the test requirements; by providing the platform 3 above the frame structure 1, the operation unit 40 and the measurement unit 50 may be mounted on the platform 3 to meet the operation requirements and the measurement requirements of the nuclear reactor assembly 10.
The platform 3 is provided with a first mounting portion at a side thereof adjacent to the frame structure 1, configured to mount the operating unit 40. The operation unit 40 is capable of performing operations such as hoisting, disassembling, and shipping of the nuclear reactor assembly 10. The operation unit 40 may include a first fixed portion installed at the first installation portion, a first moving portion movable with respect to the first fixed portion including changing a position and a posture, and an operation portion connected to the first moving portion for operating the nuclear reactor assembly 10. The operating unit 40 is provided such that its range of motion can cover the entire test stand 100.
The side of the platform 3 remote from the frame structure 1 is provided with a second mounting portion arranged to mount a measuring unit 50. The measurement unit 50 may include a non-contact temperature measurement unit for measuring a temperature distribution of a wall of the nuclear reactor assembly 10. The measurement unit 50 may be, for example, an infrared thermometry device. The measurement unit 50 includes a second fixed portion, a second moving portion, and a measurement portion, the second fixed portion being installed in the second installation portion, the second moving portion being movable relative to the second fixed portion, including changing positions and postures, the measurement portion being connected to the second moving portion, the measurement portion being used for measuring the nuclear reactor component 10. The measuring unit 50 is arranged such that its horizontal movement area can cover the entire support device 20.
The platform 3 is provided with an opening 33 corresponding to the frame structure 1, wherein the measurement unit 50 is capable of measuring the nuclear reactor assembly 10 through the opening 33. Specifically, the second moving part of the measuring unit 50 passes through the opening 33, approaches the frame structure 1 below the platform 3, and is able to enter the interior of the nuclear reactor assembly 10, so that the measuring part connected to the second moving part measures the inner wall surface of the nuclear reactor assembly 10.
The frame structure 1 and the plurality of support units 2 may be mounted to the ground. The test stand 100 also includes a ladder 4 connecting the ground and the platform 2, the operator being able to reach the platform 2 via the ladder 4 for monitoring and operation. An operator may view the operation and testing of the nuclear reactor assembly 10 through the opening 33. The ladder 4 and the platform 3 are provided with fences as protection to ensure the safety of operators.
Fig. 2 shows a schematic structural view of the frame structure 1 of the test stand 100 of fig. 1. as shown in fig. 2, the column 11 comprises a body and a mounting plate provided at the lower end of the body, and the body and the mounting plate may be welded together. Be equipped with the mating holes on the mounting panel, through the cooperation of connecting piece with the mating holes, can be fixed in the mounting panel ground. The matching hole is a through hole, and the connecting piece can be a bolt, a screw and the like. The bottom of the upright post 11 is provided with a reinforcing member to reinforce rigidity, and the reinforcing member can be a rib plate. The support unit 2 may be of similar construction.
The upright 11 and the cross beam 12 may be connected by a flange assembly. The uprights 11 can be connected at the upper and lower part with a cross beam 12. Specifically, the side of the upright post 11 is provided with a transversely extending pipe, the pipe is connected with a first flange, the end of the beam 12 is connected with a second flange, and the first flange corresponds to the second flange and is connected through a connecting piece. The pipe fitting and the first flange plate can be connected through welding, and reinforcing parts such as rib plates are arranged to improve rigidity. The uprights 11 can be welded to the pipe and the cross-member 12 can be welded to the second flange. The first flange plate and the second flange plate are provided with a plurality of corresponding connecting holes, and the first flange plate and the second flange plate are connected together by matching with the connecting piece.
The frame structure 1 comprises a cubic structure, the plurality of upright columns 11 comprise a plurality of first upright columns 13 and a plurality of second upright columns 14, the plurality of first upright columns 13 are arranged at edges of the cubic structure, and the plurality of second upright columns 14 are arranged close to any one of the first upright columns 13; the frame structure 1 further comprises a support plate 15 mounted on the plurality of second uprights 14 and the first uprights 13 adjacent thereto. Since the support plate 15 is supported by the plurality of columns 11, it has a greater rigidity and can be used to mount a horizontal force loading unit to provide a greater horizontal load for the bending rigidity test.
The plurality of columns 11 further comprises a third column 16 disposed between two adjacent first columns 13, wherein a constraining unit 30 mounted to the third column 16 can be used to constrain a top corner of the triangular array of nuclear reactor components 10. Wherein, when a 60-degree sector assembly limited thermal bending test is performed, the nuclear reactor assemblies 10 are arranged in a triangular array.
In the embodiment of fig. 2, the frame structure 1 comprises 8 uprights 11, of which 6 uprights 11 are connected at the upper and lower parts by cross-members 12, constituting a cubic structure; the other 2 columns 11 are connected to each other at the lower part by cross beams 12 and to the adjacent 2 columns constituting the cubic structure, and the upper part is connected by support plates 15, and a total of 4 columns 11 are used to support the support plates 15. Optionally, a connecting plate can be arranged in the middle part to play a role of reinforcement.
The utility model discloses still provide a test system, include: a test stand 100; a nuclear reactor assembly 10; a support device 20 configured to support the nuclear reactor assembly 10; a containment unit 30 configured to contain the nuclear reactor assembly 10; an operating unit 40 configured to operate the nuclear reactor assembly 10; a measurement unit 50 configured to measure the nuclear reactor assembly 10; a first horizontal force loading unit 61 connected to a first protrusion of the nuclear reactor assembly 10, mounted to the support plate 15; and a second horizontal force loading unit 62 connected to a second projection of the nuclear reactor assembly 10, mounted to the frame structure 1 at a position above the support plate 15. The first horizontal force loading unit 61 and the second horizontal force loading unit 62 are used for applying horizontal force to the nuclear reactor assembly 10, and can be used in a bending stiffness measurement test of the nuclear reactor assembly 10.
The test stand 100 is designed with reference to the support device 20, the upper plane of the support device 20 being a reference plane, which is substantially at the same level as the ground, with reference to which the elevation of the test stand 100 is referenced.
The support means 20 is provided with a plurality of receiving holes for insertion of the feet of the nuclear reactor assembly 10. The plurality of receiving holes are arranged in a triangular array and a single-row array. The support device 20 is provided with a plurality of reference lines for providing reference for the installation position of the frame structure 1, the installation position of the nuclear reactor assembly 10 and the displacement adjustment amount of the nuclear reactor assembly 10 during the test. In the embodiment of the present invention, three datum lines are disposed on the supporting device 20, wherein two datum lines are parallel to two sidelines of the triangular array, and another datum line passes through the axis of the accommodation hole located at the end of the single-row array.
The test bench 100 has the characteristics of wide application, multiple functions and the like, and can meet the functional requirements of various off-stack tests, wherein the functional requirements comprise a single-component bending rigidity test, a single-component free thermal bending test, a single-component limited thermal bending test, a single-row component limited thermal bending test, a 60-degree sector component limited thermal bending test and the like.
The test stand 100 has good applicability, can be equipped with a measurement system for measuring the temperature, deformation, and contact force of the nuclear reactor assembly 10, and can be integrated with various structures such as a restraint unit, a horizontal force loading unit, and an operation unit.
The test bed 100 has a simple structure and high rigidity, and is not easy to deform. Through checking calculation, the utility model discloses a local rigidity of test bench 100 is higher than nuclear reactor assembly's bending stiffness by two orders of magnitude, and rigidity can satisfy the test requirement.
The safety of the test bed 100 is high, the rails are arranged on the platform and the ladder stand, the heating, temperature measurement and deformation measurement of the nuclear reactor assembly are all non-contact operations, and an operator can remotely implement the operation.
The utility model discloses a test bench 100 has solved the various demands of the extrareactor test of nuclear reactor subassembly, has provided powerful experimental guarantee for the complete nationwide productization of nuclear reactor subassembly.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify the embodiments of the present invention, and should not be construed as a limitation of the present invention. The various components in the drawings are not to scale in order to clearly illustrate the details of the various components, and so the proportions of the various components in the drawings should not be taken as limiting.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
Claims (9)
1. A test rig (100), comprising:
-a frame structure (1) comprising a plurality of uprights (11) and a plurality of cross-members (12) connected to each other, said frame structure (1) being arranged to house a nuclear reactor assembly (10) and a support device (20) of said nuclear reactor assembly (10) inside it, and to mount a containment unit (30) for containing said nuclear reactor assembly (10);
a plurality of support units (2) arranged around the frame structure (1); and
a platform (3) supported above the frame structure (1) by the plurality of support units (2), arranged to mount an operating unit (40) for operating the nuclear reactor assembly (10) and a measuring unit (50) for measuring the nuclear reactor assembly (10).
2. Test bench according to claim 1, characterized in that the platform (3) is provided with a first mounting portion on a side thereof adjacent to the frame structure (1) arranged to mount the operating unit (40); the platform (3) is far away from one side of the frame structure (1) is provided with a second installation part which is arranged to be installed on the measuring unit (50).
3. Test bench according to claim 1, characterized in that the platform (3) is provided with an opening (33) corresponding to the frame structure (1), wherein the measuring unit (50) is capable of measuring the nuclear reactor assembly (10) through the opening (33).
4. Test bench according to claim 1, characterized in that it further comprises a ladder (4) connecting the ground and the platform (3).
5. Test bench according to claim 1, characterized in that the sides of the uprights (11) are provided with transversely extending pipe elements which are connected to a first flange, and the ends of the cross-beams (12) are connected to a second flange, which first flange corresponds to the second flange and is connected thereto by means of connecting elements.
6. Test bench according to claim 1, characterized in that the frame structure (1) comprises a cubic structure, the plurality of uprights (11) comprises a plurality of first uprights (13) and a plurality of second uprights (14), the plurality of first uprights (13) being provided at the edges of the cubic structure, the plurality of second uprights (14) being provided adjacent to any one of the first uprights (13); the frame structure (1) further comprises a support plate (15) mounted on the plurality of second uprights (14) and the first upright (13) adjacent thereto.
7. The test bench of claim 6, wherein the plurality of uprights (11) further comprises a third upright (16) provided between two adjacent first uprights (13), wherein a constraining unit (30) mounted to the third upright (16) is adapted to constrain the apex angle of the triangular array of nuclear reactor components (10).
8. An assay system, comprising:
the test stand (100) of claim 6;
a nuclear reactor assembly (10);
a support arrangement (20) arranged to support the nuclear reactor assembly (10);
a containment unit (30) arranged to contain the nuclear reactor assembly (10);
an operating unit (40) arranged to operate the nuclear reactor assembly (10);
a measurement unit (50) arranged to measure the nuclear reactor assembly (10);
a first horizontal force loading unit (61) connected to a first protrusion of the nuclear reactor assembly (10) mounted to the support plate (15); and
a second horizontal force loading unit (62) connected to a second projection of the nuclear reactor assembly (10) mounted to the frame structure (1) at a position above the support plate (15).
9. Testing system according to claim 8, characterized in that a plurality of reference lines are provided on the support device (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223004.7U CN211904936U (en) | 2020-02-27 | 2020-02-27 | Test bench and test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020223004.7U CN211904936U (en) | 2020-02-27 | 2020-02-27 | Test bench and test system |
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| CN211904936U true CN211904936U (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157359A (en) * | 2020-02-27 | 2020-05-15 | 中国原子能科学研究院 | Test bench and test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157359A (en) * | 2020-02-27 | 2020-05-15 | 中国原子能科学研究院 | Test bench and test system |
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