CN115751051A - Variable angle direction bearing structure - Google Patents
Variable angle direction bearing structure Download PDFInfo
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- CN115751051A CN115751051A CN202211434451.7A CN202211434451A CN115751051A CN 115751051 A CN115751051 A CN 115751051A CN 202211434451 A CN202211434451 A CN 202211434451A CN 115751051 A CN115751051 A CN 115751051A
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- 238000012360 testing method Methods 0.000 claims abstract description 106
- 238000005096 rolling process Methods 0.000 claims description 33
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000002787 reinforcement Effects 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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 invention relates to the technical field of mechanical property testing, in particular to a variable-angle guiding support structure, which comprises: the connecting plate is used for connecting the mechanical test device; one end of the connecting bracket is connected with the connecting plate and can rotate along the rotation axis of the rotatable area of the mechanical test device; and the supporting assembly is arranged at one end, far away from the connecting plate, of the connecting bracket and used for supporting the mechanical test device. The variable-angle guiding support structure provided by the invention is connected with a mechanical test device through the connecting plate, the connecting support is connected with the connecting plate and can rotate along the rotation axis of the rotatable area of the mechanical test device, so that the mechanical test device can rotate at a corresponding angle when tested after rotating within a certain angle range, the change of the stress direction of the force measuring sensor is avoided, meanwhile, the support assembly can play a role in supporting and guiding the mechanical test device, and the accuracy of a test result can be improved.
Description
Technical Field
The invention relates to the technical field of mechanical property testing, in particular to a variable-angle guiding support structure.
Background
At present, china is in the period of rapid development of military and civil fields such as nuclear power, aviation industry, railway transportation and the like. Technological innovation is continuously carried out in all fields, and a plurality of new devices and new equipment are successively designed. These devices and equipment are constructed from a variety of structures, with forces acting between and within the various structures. Due to the complexity and specificity of the structure, and limited by the test piece mounting and sensor mounting, a portion of the structure containing the part under test is typically selected as the test piece in verifying the mechanical properties of certain parts of the structure. For example, the spacer grid is one of important parts of a fuel assembly of a nuclear reactor, and the spacer grid needs to be designed by considering mechanical properties and ensuring normal disassembly of the fuel assembly, and the reasonability of the design needs to be verified through a hooking test after the design. The fuel assembly has a long length, so that only one part containing the spacer grid is taken as a test piece during hooking test, and the test piece is required to rotate relative to the test piece during test.
Usually, a mechanical test device with a force sensor is used to measure the stress state of the test piece in the test process, and then the mechanical property of the test piece is judged to be good or bad. In the test process, the stress direction of the force sensor is easy to change due to the difference of the strength and the rigidity of the force sensor and the mechanical test device, so that a large measurement error is generated.
Disclosure of Invention
Aiming at the technical problem that the stress direction of a force transducer is easy to change in the existing mechanical test, the invention provides the variable-angle guiding and supporting structure, which can enhance the structural strength of the original mechanical test device, can restrict the moving direction of the device, and has good supporting and guiding effects on the device so as to improve the accuracy of a test result.
The invention is realized by the following technical scheme:
the invention provides a variable angle guiding and supporting structure, comprising:
the connecting plate is used for connecting the mechanical test device;
one end of the connecting bracket is connected with the connecting plate and can rotate along the rotating axis of the rotatable area of the mechanical test device;
and the supporting assembly is arranged at one end, far away from the connecting plate, of the connecting bracket and is used for supporting the mechanical test device.
The variable-angle guiding support structure provided by the invention is connected with a mechanical test device through the connecting plate, and the connecting bracket is connected with the connecting plate and can rotate along the rotation axis of the rotatable area of the mechanical test device, so that the mechanical test device can rotate by a corresponding angle when tested after rotating within a certain angle range. Meanwhile, the supporting component is arranged at one end, far away from the connecting plate, of the connecting support, so that the force direction of the force measuring sensor can be prevented from being changed, and the mechanical test device is supported and guided.
Therefore, the variable-angle guiding and supporting structure provided by the invention can enhance the structural strength of the original mechanical test device, can restrict the moving direction of the device, and has good supporting and guiding effects on the device so as to improve the accuracy of a test result.
In an optional embodiment, the connecting bracket is provided with a plurality of adjusting holes which are distributed along the circumference of the rotation axis of the rotatable area of the mechanical test device;
the adjusting hole is a strip-shaped circular arc hole, and the circle center of the circular arc section of the adjusting hole is positioned on the rotating axis of the rotatable area of the mechanical test device;
the connecting support is connected with the connecting plate through a connecting bolt, and a polished rod part of the connecting bolt is inserted into the adjusting hole, so that the connecting support can rotate along the rotation axis of the rotatable area of the mechanical test device.
In an alternative embodiment, the adjusting holes are arranged in two rows at intervals to ensure the stability of the connection between the connecting bracket and the connecting plate.
In an optional embodiment, the connecting bracket comprises a fixing plate and a supporting plate which are fixedly connected, the fixing plate is connected with the connecting plate, and the supporting component is arranged on one side of the supporting plate to ensure that the supporting component can support the mechanical test device.
In an alternative embodiment, the connecting bracket is further provided with a reinforcing plate, and the reinforcing plate is fixedly connected with the fixing plate and the supporting plate at the same time, so that the connecting bracket has enough structural strength.
In an alternative embodiment, the connections between the fixing plate and the supporting plate, between the fixing plate and the reinforcing plate, and between the supporting plate and the reinforcing plate are all welded to ensure sufficient connection strength between the components of the connecting bracket.
In an alternative embodiment, the support assembly comprises a plurality of rolling parts capable of rotating along the axis of the support assembly, and the plurality of rolling parts are arranged in an array to reduce resistance when the mechanical test piece and the connecting bracket move relatively.
In an optional implementation manner, a supporting shaft penetrates through the middle of the rolling part, two ends of the supporting shaft penetrate through holes of the supporting lugs, and the supporting lugs are connected with the connecting bracket, so that the rolling part can rotate along the axial direction of the rolling part.
In an alternative embodiment, the rolling part is a bearing, which simplifies the structure of the support assembly while ensuring that the rolling part has less resistance to rotation about the support shaft.
In an optional embodiment, the mechanical testing device further comprises a clamping plate, and the clamping plate is used for clamping the connecting plate and the mechanical testing device or clamping the connecting plate, the connecting bracket and the mechanical testing device so as to ensure the stability of connection between the connecting plate and the mechanical testing device.
The invention has the following advantages and beneficial effects:
the variable-angle guiding support structure provided by the invention is connected with a mechanical test device through the connecting plate, and the connecting bracket is connected with the connecting plate and can rotate along the rotation axis of the rotatable area of the mechanical test device, so that the mechanical test device can rotate by a corresponding angle when tested after rotating within a certain angle range. Meanwhile, the supporting assembly is arranged at one end, far away from the connecting plate, of the connecting support, so that the stress direction of the force measuring sensor can be prevented from being changed, and the mechanical test device can be supported and guided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
In the drawings:
FIG. 1 is a schematic perspective view of a variable angle guide support structure according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a connecting bracket according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a support assembly according to an embodiment of the invention.
In the drawings:
10-connecting plate, 11-connecting through hole, 20-connecting support, 21-adjusting hole, 22-fixing plate, 23-supporting plate, 24-reinforcing plate, 30-supporting component, 31-rolling part, 32-supporting shaft, 33-supporting lug, 34-pressing nut, 40-connecting bolt, 50-clamping plate, 51-clamping groove and 52-threaded hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the embodiments of the present invention, the terms "central," "upper," "lower," "left," "right," "vertical," "longitudinal," "lateral," "horizontal," "inner," "outer," "front," "rear," "top," "bottom," and the like refer to orientations or positional relationships that are conventionally used in the product of this application, or are orientations or positional relationships that are conventionally understood by those skilled in the art, which are used to describe the present invention and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting to the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
In conjunction with fig. 1, the present embodiment provides a variable angle guide support structure, including: the connecting plate 10 is used for connecting a mechanical test device; a connecting bracket 20, one end of which is connected with the connecting plate 10 and can rotate along the rotation axis of the rotatable area of the mechanical test device; and the supporting component 30 is arranged at one end of the connecting bracket 20 far away from the connecting plate 10 and is used for supporting a mechanical test device.
Specifically, an arc notch matched with the cylindrical section of the mechanical test device is formed in one side of the connecting plate 10, so that the arc notch can be clamped outside the cylindrical section of the mechanical test device. Meanwhile, a circular connecting through hole 11 is reserved on the connecting plate 10 so that a mounting bolt can pass through the connecting plate and can be stably connected with a bolt hole or a through hole on the mechanical test device through a bolt.
Referring to fig. 2, the connecting bracket 20 is provided with a plurality of adjusting holes 21, and the plurality of adjusting holes 21 are circumferentially distributed along the rotation axis of the rotatable area of the mechanical testing device; the adjusting hole 21 is a strip-shaped arc hole, and the circle center of the arc section of the adjusting hole 21 is positioned on the rotating axis of the rotatable area of the mechanical test device; the connecting bracket 20 is connected with the connecting plate 10 through a connecting bolt 40, and a polished rod portion of the connecting bolt 40 is inserted into the adjusting hole 21, so that the connecting bracket 20 can rotate along the rotation axis of the rotatable area of the mechanical test device.
Preferably, the adjusting holes 21 are arranged in two rows at intervals, that is, the adjusting holes 21 are coaxially distributed with two circles along the arc-shaped recess, so as to ensure the stability of the connection between the connecting bracket 20 and the connecting plate 10. Of course, the adjusting holes 21 may be provided in a plurality of rows, and when the number of the adjusting holes is larger than two, the adjusting holes are located on both sides of the supporting plate 23.
Of course, the connection between the connection plate 10 and the connection bracket 20 may also be a roller connection, that is, a roller is disposed between the connection plate 10 and the connection bracket 20, so that the connection bracket 20 can rotate along the rotation axis of the rotatable region of the mechanical testing apparatus.
In this embodiment, as a specific embodiment of the connection bracket 20, the connection bracket 20 includes a fixed plate 22 and a support plate 23, the fixed plate 22 is connected to the connection plate 10, and the support assembly 30 is disposed on one side of the support plate 23 to ensure that the support assembly 30 can support a mechanical test device.
It can be understood that the adjusting hole 21 is disposed on the fixing plate 22, and the adjusting hole 21 is an elongated circular arc hole, and the rotation center of the adjusting hole 21 is the rotation axis of the rotatable region of the mechanical testing device, so as to limit the rotation path and angle of the connecting bracket 20 through the adjusting hole 21. Normally, the supporting plate 23 is vertically fixed on the fixing plate 22, and the two circles of adjusting holes 21 are respectively located below both sides of the supporting plate 23.
Wherein, the connecting bracket 20 is further provided with a reinforcing plate 24, and the reinforcing plate 24 is fixedly connected with the fixing plate 22 and the supporting plate 23 at the same time to ensure that the connecting bracket 20 has sufficient structural strength.
In this embodiment, the connections between the fixing plate 22 and the supporting plate 23, between the fixing plate 22 and the reinforcing plate 24, and between the supporting plate 23 and the reinforcing plate 24 are all welded, so as to ensure sufficient connection strength between the components of the connecting bracket 20.
Specifically, referring to fig. 3, the support assembly 30 includes a plurality of rolling portions 31 rotatable along its axis, and the plurality of rolling portions 31 are arranged in an array to reduce resistance to relative movement between the mechanical test piece and the connecting bracket 20. The rolling part 31 is used to limit the rotation and movement of the rotatable region of the mechanical test device, which affect the test result, and usually directly acts on the rotatable region of the mechanical test device. During test, the test pieces are respectively arranged on a rotatable area and a non-rotatable area of the mechanical test device and are not in direct contact with the rolling part 31.
As a specific scheme of the rolling portion 31, a support shaft 32 is inserted through the middle of the rolling portion 31, two ends of the support shaft 32 are inserted into through holes of the support lugs 33, and the support lugs 33 are connected with the connecting bracket 20, so that the rolling portion 31 can rotate along its own axial direction.
It should be understood that the rolling portion 31 may be formed by bar processing, or may be formed by using a standard bearing. In the present embodiment, the rolling portion 31 is a bearing, and the structure of the support member 30 is simplified while ensuring that the resistance when the rolling portion 31 rotates around the support shaft 32 is small. The material of the rolling portion 31 is generally high-carbon chromium steel or stainless steel. If the rolling part 31 is formed by processing a bar material, the rolling part 31 and the supporting shaft 32 are connected in a key manner, and a rolling bearing is arranged between the supporting shaft 32 and the support lug 33, so that the rolling part 31 can rotate. The number and size of the rolling parts 31 on the support assembly 30 can be adjusted according to the size of the supported part, and the size of the rest parts can be adjusted according to the size of the mechanical test device.
In order to ensure that the rolling part 31 can rotate with small resistance, the embodiment provides a specific installation mode of the rolling part 31: the two ends of the supporting shaft 32 are provided with threads, the supporting shaft 32 penetrates through the through holes of the two corresponding support lugs 33, so that the rolling part 31 is sleeved in the supporting shaft 32, sleeves are arranged outside the non-rotating parts at the two sides of the rolling part 31 and are opposite to the inner sides of the corresponding support lugs 33, then spring gaskets and compression nuts 34 are sequentially sleeved at the two ends of the supporting shaft 32, the supporting shaft 32 is installed on the support lugs 33, the support lugs 33 are installed on the supporting plate 23, and the rolling part 31 is rotatably installed on the supporting plate 23.
On the basis, the connecting device further comprises a clamping plate 50, wherein the clamping plate 50 is used for clamping the connecting plate 10 and the mechanical test device or clamping the connecting plate 10, the connecting bracket 20 and the mechanical test device so as to ensure the stability of connection between the connecting plate 10 and the mechanical test device.
As will be appreciated in conjunction with fig. 3, the clamping plate 50 is provided with a clamping groove 51, and the connecting plate 10 and one side of the mechanical testing device, or the connecting plate 10, the connecting bracket 20 and one side of the mechanical testing device are simultaneously clamped in the clamping groove 51 when in use. Meanwhile, a screw hole 52 is provided at least at one side of the clamping groove 51 so as to completely attach the portion of the connection plate 10, which is in contact with the mechanical testing apparatus, by means of a compression bolt.
In addition, in the embodiment, the connection between the connecting bracket 20 and the connecting plate 10 and the connection between the support assembly 30 and the connecting bracket 20 are all detachably connected, and are generally bolted so as to be replaced according to the size of the mechanical testing device. Correspondingly, a threaded connection hole for connecting the connecting bracket 20 is formed on the connecting plate 10, and a threaded connection hole for connecting the supporting component 30 is formed on the supporting plate 23.
It should be noted that the variable angle guiding support structure provided in this embodiment is directed to a mechanical test device including a rotatable region and a non-rotatable region, such as a hooking test device of a reactor fuel assembly spacer grid described in patent CN 201310488917.6. The force measuring sensor is positioned in a rotatable area of the mechanical testing device, and the test pieces are respectively arranged in the rotatable area and a non-rotatable area at the lower part of the mechanical testing device during testing. When the mechanical testing device is used in a test, the connecting plate 10 is fixedly connected with a non-rotatable region at the upper part of the mechanical testing device, and the supporting assembly 30 is directly contacted with a rotatable region of the mechanical testing device. Tests show that the variable-angle guide supporting structure provided by the embodiment plays a good supporting and guiding role in a mechanical test device in the test, and effectively improves the accuracy of the test result.
In summary, the variable angle guiding and supporting structure provided by this embodiment connects the mechanical test device through the connecting plate 10, and the connecting bracket 20 is connected to the connecting plate 10 and can rotate along the rotation axis of the rotatable region of the mechanical test device, so that the mechanical test device can rotate at a corresponding angle when testing after rotating within a certain angle range, and the force direction of the force sensor can be prevented from changing. Meanwhile, the supporting component 30 is arranged at one end of the connecting bracket 20 far away from the connecting plate 10, so that the local deformation of the mechanical test device can be restrained, and the mechanical test device can be supported and guided.
Therefore, the variable angle direction bearing structure that this embodiment provided both can rotate along with experimental demand, also can strengthen original mechanical test device's structural strength, can also restrain the moving direction of device to play good support and guide effect to the device, with the accuracy that improves the test result.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
That is, it is within the knowledge of those skilled in the art to make various changes, such as changing the size and specific design of the apparatus, the number of guide support portions, the shape of each structure, and the like, without departing from the spirit of the present invention. Such modifications and variations are within the scope of the invention as determined by the appended claims and their equivalents.
Claims (10)
1. A variable angle guide support structure, comprising:
the connecting plate (10) is used for connecting the mechanical test device;
the connecting bracket (20) is connected with the connecting plate (10) at one end and can rotate along the rotating axis of the rotatable area of the mechanical test device;
the supporting component (30) is arranged at one end, far away from the connecting plate (10), of the connecting support (20) and used for supporting the mechanical test device.
2. The variable angle guiding support structure according to claim 1, wherein the connecting bracket (20) is provided with a plurality of adjustment holes (21), the plurality of adjustment holes (21) being circumferentially distributed along a rotation axis of the rotatable region of the mechanical testing device;
the adjusting hole (21) is a strip-shaped circular arc hole, and the circle center of the circular arc section of the adjusting hole (21) is positioned on the rotating axis of the rotatable area of the mechanical test device;
the connecting support (20) is connected with the connecting plate (10) through a connecting bolt (40), and a polished rod part of the connecting bolt (40) is inserted into the adjusting hole (21).
3. A variable angle guiding support structure according to claim 2, wherein the adjustment apertures (21) are spaced in two rows.
4. The variable angle guide support structure according to claim 1, wherein the connection bracket (20) includes a fixing plate (22) and a support plate (23) fixedly connected, the fixing plate (22) is connected to the connection plate (10), and the support assembly (30) is provided at one side of the support plate (23).
5. The variable angle guiding support structure according to claim 4, characterized in that the connecting bracket (20) is further provided with a reinforcing plate (24), the reinforcing plate (24) being fixedly connected with both the fixing plate (22) and the support plate (23).
6. The variable angle guide support structure according to claim 5, wherein the connections between the fixing plate (22) and the support plate (23), between the fixing plate (22) and the reinforcement plate (24), and between the support plate (23) and the reinforcement plate (24) are all welds.
7. The variable angle guiding support structure according to claim 1, wherein the support assembly (30) comprises a plurality of rolling portions (31) rotatable along its axis, the plurality of rolling portions (31) being arranged in an array.
8. The variable angle guiding support structure according to claim 7, wherein a support shaft (32) is arranged in the middle of the rolling part (31) in a penetrating manner, two ends of the support shaft (32) are arranged in through holes of support lugs (33) in a penetrating manner, and the support lugs (33) are connected with the connecting bracket (20).
9. A variable angle guiding support structure according to claim 7, characterized in that the rolling part (31) is a bearing.
10. The variable angle guide support structure according to any one of claims 1 to 9, further comprising a clamping plate (50), wherein the clamping plate (50) is used for clamping the connection plate (10) and the mechanical test device or clamping the connection plate (10), the connection bracket (20) and the mechanical test device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211434451.7A CN115751051A (en) | 2022-11-16 | 2022-11-16 | Variable angle direction bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211434451.7A CN115751051A (en) | 2022-11-16 | 2022-11-16 | Variable angle direction bearing structure |
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| CN115751051A true CN115751051A (en) | 2023-03-07 |
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| CN202211434451.7A Pending CN115751051A (en) | 2022-11-16 | 2022-11-16 | Variable angle direction bearing structure |
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