CN114544163B - Test fixture that steam generator temporarily supported - Google Patents
Test fixture that steam generator temporarily supported Download PDFInfo
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- CN114544163B CN114544163B CN202210191522.9A CN202210191522A CN114544163B CN 114544163 B CN114544163 B CN 114544163B CN 202210191522 A CN202210191522 A CN 202210191522A CN 114544163 B CN114544163 B CN 114544163B
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- steam generator
- assembly
- temporary support
- suspender
- test fixture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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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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- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention relates to the technical field of positioning detection equipment of a steam generator, in particular to a test fixture for temporary support of the steam generator. The test fixture for temporary support of the steam generator comprises a base assembly and a lifting appliance assembly. The base assembly is internally provided with an accommodating space and is suitable for simulating a module wall. The lifting appliance assembly is used for bearing the balancing weight, the lifting appliance assembly and the balancing weight are suitable for simulating the steam generator, the lifting appliance assembly is positioned in the accommodating space, and the steam generator is temporarily supported and connected between the base assembly and the lifting appliance assembly. According to the test fixture for the temporary support of the steam generator, provided by the invention, performance test is conveniently carried out before the temporary support of the steam generator leaves a factory, so that the factory quality of the temporary support of the steam generator can be improved. The base assembly can adjust the structure according to the requirements so as to simulate module walls with different shapes; the lifting appliance assembly can also adjust the number of balancing weights according to requirements, so that different steam generators can be simulated.
Description
Technical Field
The invention relates to the technical field of positioning detection equipment of a steam generator, in particular to a test fixture for temporary support of the steam generator.
Background
With the urgent demand of the social development and the increasing maturity of the nuclear energy utilization, the development of the nuclear industry in China is also more important. At present, most nuclear power plants put into construction and operation in China are pressurized water reactor nuclear power plants, and steam generators are core components of the pressurized water reactor nuclear power plants. The steam generator is heavy in tonnage, long in hoisting time and high in installation accuracy requirement, and in the installation process, the steam generator needs to be temporarily supported to finish final installation in place. Because steam generator structure is complicated, tonnage is heavy, the price is high, in order to avoid appearing the risk in steam generator installation, before steam generator temporary support uses, must carry out sufficient test, verifies whether steam generator temporary support satisfies the operation requirement. The steam generator has large volume, heavy weight and high price, and cannot be used for installation and debugging before the temporary support of the steam generator leaves a factory. Therefore, how to detect the temporary support of the steam generator is a technical problem to be solved in the art.
Disclosure of Invention
The invention provides a test fixture for temporary support of a steam generator, which is used for solving the defect that the temporary support of the steam generator cannot be detected before leaving a factory in the prior art and realizing the simultaneous simulation of the steam generator and a module wall for detecting the temporary support of the steam generator.
The invention provides a test fixture for temporary support of a steam generator, which comprises:
the base assembly is provided with an accommodating space inside and is suitable for simulating a module wall;
the lifting appliance assembly is used for bearing a balancing weight, the lifting appliance assembly and the balancing weight are suitable for simulating a steam generator, the lifting appliance assembly can be placed in the accommodating space, and the steam generator is temporarily supported and connected between the base assembly and the lifting appliance assembly.
According to the test fixture for the temporary support of the steam generator, which is provided by the invention, the base assembly comprises a plurality of supporting frames and a plurality of connecting plates, the supporting frames and the connecting plates are alternately connected to form an annular support, the accommodating space is positioned in the middle of the annular support, and the temporary support of the steam generator is suitable for being connected with the supporting frames.
According to the test fixture for the temporary support of the steam generator, provided by the invention, the support frame comprises:
the first side bracket is flat;
the second side support is in a flat plate shape, and the first side support and the second side support form a corner structure;
and one end of the reinforcing plate is connected with the first side bracket, and the other end of the reinforcing plate is connected with the second side bracket.
According to the test fixture for the temporary support of the steam generator, provided by the invention, the reinforcing plates are arranged at intervals.
According to the test fixture for the temporary support of the steam generator, which is provided by the invention, the widths of two adjacent support frames are different, and the widths of two second side support frames are different.
According to the test fixture for temporary support of the steam generator provided by the invention, the lifting appliance assembly comprises:
an upper cross beam, the steam generator temporary support being adapted to connect to the upper cross beam;
the counterweight tray is positioned below the upper cross beam and is used for bearing a counterweight;
the boom assembly is connected between the upper beam and the counterweight tray, and the counterweight tray can swing relative to the upper beam through the boom assembly.
According to the test fixture for temporary support of the steam generator provided by the invention, the boom assembly comprises:
an intermediate connection portion;
one end of the first suspender is connected with the upper cross beam, and the other end of the first suspender is pivotally connected with the middle connecting part;
a second boom having one end pivotally connected to the intermediate connection portion and the other end pivotally connected to the counterweight tray;
and one end of the third suspender is pivotally connected with the middle connecting part, the other end of the third suspender is pivotally connected with the counterweight tray, and the other end of the third suspender and the other end of the second suspender are arranged at intervals.
According to the test fixture for the temporary support of the steam generator, the middle connecting part is a triangular plate, pin holes are formed in three corners of the triangular plate, pin shafts are arranged in the pin holes in a penetrating mode, and the first suspender, the second suspender and the third suspender are connected through corresponding pin shafts.
According to the test fixture for the temporary support of the steam generator, the counterweight tray is provided with a plurality of hollowed-out parts.
According to the test fixture for the temporary support of the steam generator, which is provided by the invention, the suspender components are in a plurality of groups.
According to the test fixture for the temporary support of the steam generator, provided by the invention, the steam generator is simulated by utilizing the base assembly to simulate the module wall and utilizing the lifting appliance assembly, and the temporary support of the steam generator is arranged between the base assembly and the lifting appliance assembly, so that performance test can be conveniently carried out before the temporary support of the steam generator leaves a factory, for example, the reliability of the temporary support of the steam generator is verified, and the factory quality of the temporary support of the steam generator can be improved. The base assembly can adjust the structure according to the requirements so as to simulate module walls with different shapes; the lifting appliance assembly can adjust the number of the balancing weights according to the requirements, so that different steam generators can be simulated, and the test fixture can meet the requirements of different working conditions, and the manufacturing cost is reduced. In addition, through the adjustment to balancing weight quantity, can also utilize test fixture to detect steam generator temporarily to support the performance under rated load and excess load condition.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a test fixture provided by the invention;
FIG. 2 is a schematic structural view of a base assembly of the test fixture provided by the invention;
FIG. 3 is an exploded view of the base assembly of FIG. 2;
FIG. 4 is a schematic diagram of the assembly of the sling assembly and the counterweight of the test fixture provided by the invention;
FIG. 5 is a schematic view of the construction of the spreader assembly of FIG. 4;
FIG. 6 is an assembly view of a steam generator, a steam generator temporary support and a modular wall;
reference numerals:
100. testing a tool;
110. a base assembly; 111. an accommodating space; 112. a support frame; 113. a first side bracket; 114. a second side bracket; 115. a reinforcing plate; 116. a connecting plate;
120. a lifting appliance assembly; 121. an upper cross beam; 122. a counterweight tray; 123. a hollowed-out part; 124. a boom assembly; 125. an intermediate connection portion; 127. a first boom; 128. a second boom; 129. a third boom;
130. balancing weight;
200. the steam generator is temporarily supported; 210. a steam generator; 220. a modular wall; 230. east well; 240. west well.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The test fixture 100 of the temporary support 200 for a steam generator according to an embodiment of the present invention is described below with reference to fig. 1 to 6. It should be noted that, referring to fig. 6, steam generator 210 and module wall 220 are equally divided into west well 240 and east well 230, wherein a part of module wall 220 forms west well 240, one steam generator 210 is disposed in west well 240, another part of module wall 220 forms east well 230, and one steam generator 210 is disposed in east well 230. Each steam generator 210 needs to be supported by a steam generator temporary support 200, and two steam generator temporary supports 200 are mirror symmetrically arranged. The test tool 100 of the temporary support 200 for a steam generator according to the embodiment of the invention can test the temporary support 200 for a steam generator, which needs to be tested before the temporary support 200 for a steam generator leaves a factory.
As shown in fig. 1, a supported test fixture 100 according to an embodiment of the present invention includes a base assembly 110 and a spreader assembly 120.
Specifically, the base assembly 110 has a receiving space 111 therein, and the base assembly 110 is adapted to simulate a module wall 220. It should be noted that, when two steam generators 210 are arranged, one of them is disposed in west well 240, and the other is disposed in east well 230, base assembly 110 may be designed according to the construction requirements of east well 230 and west well 240, so that base assembly 110 can simulate not only the shape of modular wall 220 of east well 230, but also the shape of modular wall 220 of west well 240.
Referring to fig. 4 and 5, the spreader assembly 120 may be used to carry the weight 130, i.e., the weight 130 may be placed on the spreader assembly 120. The weight 130 can be increased or decreased according to actual requirements. For example, the spreader assembly 120 may meet 920 ton rated load loading requirements, or 1100 ton overload test requirements. The sling assembly 120 and the balancing weight 130 are adapted to simulate a steam generator 210, the sling assembly 120 is disposed in the accommodating space 111, the steam generator temporary support 200 is connected between the base assembly 110 and the sling assembly 120, and the steam generator temporary support 200 can support the sling assembly 120. Here, after the weight 130 is placed on the hanger, the steam generator temporary support 200 is mounted on the base assembly 110 while supporting the hanger assembly 120, and at this time, various functional tests of the steam generator temporary support 200 can be completed.
According to the test fixture 100 of the temporary support 200 for the steam generator of the embodiment of the invention, the module wall 220 is simulated by the base assembly 110, the steam generator 210 is simulated by the hanger assembly 120, and the temporary support 200 for the steam generator is installed between the base assembly 110 and the hanger assembly 120, so that performance test, such as verifying the reliability of the temporary support 200 for the steam generator, is performed before the temporary support 200 for the steam generator is shipped, and thus the shipment quality of the temporary support 200 for the steam generator can be improved. The base assembly 110 can be configured to simulate different shaped modular walls 220 by adjusting the configuration thereof as desired; the number of the balancing weights 130 can be adjusted by the lifting tool assembly 120 according to the requirements, so that different steam generators 210 can be simulated, and the test fixture 100 can meet the requirements of different working conditions, and the manufacturing cost is reduced. In addition, by adjusting the number of the balancing weights 130, the test fixture 100 may also be used to detect the performance of the temporary support 200 for the steam generator under rated load and excessive load (e.g., 120% excessive load).
As shown in connection with fig. 2 and 3, the base assembly 110 may include a plurality of support brackets 112 and a plurality of connection plates 116 according to some embodiments of the invention. The plurality of support frames 112 and the plurality of connection plates 116 are alternately connected to form an annular bracket, the accommodating space 111 is located in the middle of the annular bracket, and the temporary steam generator support 200 is suitable for connecting the support frames 112. It is understood that the plurality of support brackets 112 and the plurality of connection plates 116 may construct a frame structure. On one hand, the simulation requirement can be met; on the other hand, the frame structure has low cost, light weight and convenient disassembly and installation. Here, the support frame 112 and the connection plate 116 may be connected together by bolts or welding.
Further, referring to fig. 3, the support bracket 112 may include a first side bracket 113, a second side bracket 114, and a reinforcing plate 115. Wherein, the first side bracket 113 is in a flat plate shape, the second side bracket 114 is in a flat plate shape, the first side bracket 113 and the second side bracket 114 form a corner structure, one end of the reinforcing plate 115 is connected with the first side bracket 113, and the other end of the reinforcing plate 115 is connected with the second side bracket 114. In this way, the structure of the support frame 112 can be simplified, the structural flexibility of the support frame 112 is improved, and the assembly and the deformation are facilitated. To increase the overall structural strength of the support bracket 112, in some embodiments, the reinforcement plate 115 is a plurality of spaced apart plates, as shown in fig. 3. Here, the reinforcing plate 115 may be mounted by means of bolts or welding.
According to some embodiments of the present invention, referring to fig. 3, two adjacent support frames 112 have different widths of two first side frames 113 and different widths of two second side frames 114. For example, as shown in fig. 3, on two adjacent supporting frames 112, the width of one second side bracket 114 in the X direction in fig. 3 is different from the width of the other second side bracket 114 in the Y direction in fig. 3; the width of one of the first side brackets 113 in the Y direction in fig. 3 is different from the width of the other first side bracket 113 in the X direction in fig. 3.
It should be noted that, the widths of the first side bracket 113 and the second side bracket 114 are different, and the supporting frame 112 with different shapes may be configured to simulate the east well 230 and the west well 240 with different shapes. In addition, by changing the position of support frame 112 on base assembly 110, base assembly 110 may be adapted for use with east well 230 or west well 240. Here, the first side bracket 113 and the second side bracket 114 may be coupled together by welding, riveting, or bolting.
As shown in fig. 4 and 5, the spreader assembly 120 may include an upper beam 121, a counterweight tray 122, and a boom assembly 124, according to some embodiments of the invention. The temporary support 200 for steam generator is suitable for connecting the upper beam 121, and the upper end surface of the upper beam 121 may also bear the weight 130. The counterweight tray 122 is located below the upper beam 121, and the counterweight tray 122 is used for carrying a counterweight 130, the boom assembly 124 is connected between the upper beam 121 and the counterweight tray 122, and the counterweight tray 122 is swingable relative to the upper beam 121 via the boom assembly 124. The swingable boom assembly 124 may simulate the vibration of the steam generator 210 so that multi-directional detection of the steam generator temporary support 200 may be performed. The loading mode of the balancing weight 130 is shown in fig. 4, and the mode can meet the rated load loading requirement of 920 t; meanwhile, the upper beam 121 is provided with the balancing weight 130, so that the requirement of the 1100t overload test can be met.
In some examples, as shown in fig. 5, the weight tray 122 has a plurality of hollowed-out portions 123. This can reduce the weight of the weight tray 122 to reduce the manufacturing cost of the weight tray 122. In some examples, boom assembly 124 may be multiple sets.
According to some embodiments of the invention, referring to fig. 4 and 5, boom assembly 124 may comprise: an intermediate connection 125, a first boom 127, a second boom 128, and a third boom 129. Wherein, intermediate junction 125 is the triangle-shaped board, and three corner of triangle-shaped board all is equipped with the pinhole, all wears to be equipped with the round pin axle in every pinhole. The first boom 127, the second boom 128, and the third boom 129 are all connected by corresponding pins.
One end of the first boom 127 is connected to the upper cross member 121, and the other end is pivotally connected to the intermediate connection portion 125. That is, the other end of the first hanger bar 127 is connected to the intermediate connection portion 125 by a pin, and the first hanger bar 127 is rotatable with respect to the intermediate connection portion 125.
The second boom 128 is pivotally connected at one end to the intermediate connection 125 and at the other end to the counterweight tray 122. Further, one end of the second boom 128 is connected to the intermediate connection portion 125 by a pin, and the second boom 128 is rotatable with respect to the intermediate connection portion 125.
The third boom 129 has one end pivotally connected to the intermediate connection 125 and the other end pivotally connected to the weight tray 122. Further, one end of the third boom 129 is connected to the intermediate connection portion 125 by a pin, and the third boom 129 is rotatable with respect to the intermediate connection portion 125. In addition, the other end of the third boom 129 is spaced apart from the other end of the second boom 128, that is, the weight tray 122, the second boom 128 and the third boom 129 construct a triangular structure, thereby enabling the weight tray 122 to be kept stable, the entire spreader assembly 120 to be symmetrical about the center line, and the weight 130 to be stably hoisted.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. Test fixture that steam generator temporarily supported, its characterized in that includes:
the base assembly is provided with an accommodating space inside and is suitable for simulating a module wall, the base assembly comprises a plurality of supporting frames and a plurality of connecting plates, the supporting frames and the connecting plates are alternately connected to form an annular bracket, the accommodating space is positioned in the middle of the annular bracket, and the steam generator is temporarily supported and is suitable for being connected with the supporting frames;
the lifting appliance assembly is used for bearing a balancing weight, the lifting appliance assembly and the balancing weight are suitable for simulating a steam generator, the lifting appliance assembly can be placed in the accommodating space, and the steam generator is temporarily supported and connected between the base assembly and the lifting appliance assembly;
the spreader assembly includes:
an upper cross beam, the steam generator temporary support being adapted to connect to the upper cross beam;
the counterweight tray is positioned below the upper cross beam and is used for bearing a counterweight;
the boom assembly is connected between the upper beam and the counterweight tray, and the counterweight tray can swing relative to the upper beam through the boom assembly.
2. The steam generator temporary support test fixture of claim 1, wherein the support frame comprises:
the first side bracket is flat;
the second side support is in a flat plate shape, and the first side support and the second side support form a corner structure;
and one end of the reinforcing plate is connected with the first side bracket, and the other end of the reinforcing plate is connected with the second side bracket.
3. The tool for testing temporary support of a steam generator according to claim 2, wherein the reinforcing plates are a plurality of reinforcing plates arranged at intervals.
4. The tool for testing temporary support of a steam generator according to claim 2, wherein the widths of two adjacent support frames are different from each other, and the widths of two adjacent second support frames are different from each other.
5. The steam generator temporary support test fixture of claim 1, wherein the boom assembly comprises:
an intermediate connection portion;
one end of the first suspender is connected with the upper cross beam, and the other end of the first suspender is pivotally connected with the middle connecting part;
a second boom having one end pivotally connected to the intermediate connection portion and the other end pivotally connected to the counterweight tray;
and one end of the third suspender is pivotally connected with the middle connecting part, the other end of the third suspender is pivotally connected with the counterweight tray, and the other end of the third suspender and the other end of the second suspender are arranged at intervals.
6. The tool for testing temporary support of steam generator according to claim 5, wherein the intermediate connection portion is a triangular plate, pin holes are formed in three corners of the triangular plate, pin shafts are arranged in the pin holes in a penetrating mode, and the first suspender, the second suspender and the third suspender are connected through corresponding pin shafts.
7. The tool for testing temporary support of a steam generator of claim 1, wherein the weight tray has a plurality of hollowed-out portions.
8. The steam generator temporary support test fixture of claim 1, wherein the boom assemblies are in multiple groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191522.9A CN114544163B (en) | 2022-02-28 | 2022-02-28 | Test fixture that steam generator temporarily supported |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191522.9A CN114544163B (en) | 2022-02-28 | 2022-02-28 | Test fixture that steam generator temporarily supported |
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| Publication Number | Publication Date |
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| CN114544163A CN114544163A (en) | 2022-05-27 |
| CN114544163B true CN114544163B (en) | 2023-06-23 |
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| CN202210191522.9A Active CN114544163B (en) | 2022-02-28 | 2022-02-28 | Test fixture that steam generator temporarily supported |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346159A (en) * | 2019-06-18 | 2019-10-18 | 中国二十冶集团有限公司 | Hydraulic jacking equipment load test crossbeam and rolling-mill housing lift analogy method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2078948B1 (en) * | 2008-10-25 | 2009-12-30 | Vysoke uceni technicke v Brne Fakulta stavebni Ustav pozemniho stavitelstvi | Material deformation testing stand for the long-term monitoring of deformation characteristics under constant pressure |
| CN202372357U (en) * | 2011-11-07 | 2012-08-08 | 中国广东核电集团有限公司 | Load test device for support mechanism of nuclear power plant |
| KR101675077B1 (en) * | 2015-12-07 | 2016-11-10 | 문인득 | Construction method and displacement system for constructing the reactor coolant piping and steam generator of pressurized water reactor of 2 loop type |
| CN209820790U (en) * | 2019-05-07 | 2019-12-20 | 中国能源建设集团安徽电力建设第二工程有限公司 | Device for crane load test |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346159A (en) * | 2019-06-18 | 2019-10-18 | 中国二十冶集团有限公司 | Hydraulic jacking equipment load test crossbeam and rolling-mill housing lift analogy method |
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