CN113418498B - Plate deformation measuring assembly and device - Google Patents
Plate deformation measuring assembly and device Download PDFInfo
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- CN113418498B CN113418498B CN202110700708.8A CN202110700708A CN113418498B CN 113418498 B CN113418498 B CN 113418498B CN 202110700708 A CN202110700708 A CN 202110700708A CN 113418498 B CN113418498 B CN 113418498B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a plate deformation measuring assembly and a device, wherein the plate deformation measuring assembly comprises: the test device comprises an upper clamping block assembly and a lower clamping block assembly, wherein a placing cavity for placing a test plate is formed in the lower clamping block assembly, and the test plate is fixedly arranged in the placing cavity; the lower clamping block assembly comprises a lower clamping block, and a width deformation measuring assembly and a thickness deformation measuring assembly which are fixedly arranged on the lower clamping block; the upper clamping block assembly comprises a lower clamping block and a length deformation member measuring assembly fixedly arranged on the upper clamping block; the upper clamping block is coaxially arranged with the lower clamping block and is in sealing fit with the lower clamping block, and the measuring end of the width deformation measuring assembly, the measuring end of the thickness deformation measuring assembly and the measuring end of the length deformation measuring assembly are in contact with the test plate. The plate deformation measuring device comprises an irradiation tank, a lower cover plate and an upper cover plate, wherein the lower cover plate and the upper cover plate are detachably connected with two ends of the irradiation tank, and the plate deformation measuring assembly is fixed in the irradiation tank through a fixing assembly.
Description
Technical Field
The invention relates to the technical field of research on deformation measurement of materials in a pile, in particular to a plate deformation measurement assembly and device.
Background
The on-line monitoring of the irradiation performance of the new material in the test stack is always a temperature to be solved urgently, and because the measurement of the deformation of the material in the irradiation process is an important means for researching the irradiation effect of the material in the irradiation process, the method has important significance for understanding the inherent mechanism of various irradiation effects of the material in the irradiation process and the research and development of the new material.
In a common environment, the method and the sensor for measuring the deformation of the material are more, and the online monitoring technology is mature. However, considering that the space in the test stack is limited, and the performance and test operation requirements of the material sensor are high in the radiation environment, the common deformation measurement sensor cannot meet the test requirements. The optical fiber sensor is used as a novel deformation measurement means and can meet the requirement of measuring the deformation of materials in a test stack. The optical fiber sensor measurement system has higher requirements on the installation and arrangement of the sensors, and meanwhile, in view of special test environments and system arrangement space, the problems to be solved during the installation of the optical fiber sensors are needed to be solved.
Disclosure of Invention
The invention aims to solve the problems and provide a plate deformation measuring assembly and a plate deformation measuring device.
A panel deformation measurement assembly comprising: the test device comprises an upper clamping block assembly and a lower clamping block assembly, wherein a placing cavity for placing a test plate is formed in the lower clamping block assembly, and the test plate is fixedly arranged in the placing cavity;
the lower clamping block assembly comprises a lower clamping block, and a width deformation measuring assembly and a thickness deformation measuring assembly which are fixedly arranged on the lower clamping block;
the upper clamping block assembly comprises an upper clamping block and a length deformation measuring assembly fixedly arranged on the upper clamping block;
the upper clamping block is coaxially arranged with the lower clamping block and is in sealing fit with the lower clamping block, and the measuring end of the width deformation measuring assembly, the measuring end of the thickness deformation measuring assembly and the measuring end of the length deformation measuring assembly are in contact with the test plate.
Specifically, the thickness direction of the test plate is set as an X axis, the width direction of the test plate is set as a Y axis, and the length square of the test plate is set as a Z axis;
the 6 sides of the test plate are respectively set as follows: first and second X-axis sides perpendicular to the X-axis, first and second Y-axis sides perpendicular to the Y-axis, and first and second Z-axis sides perpendicular to the X-axis;
setting one side of the upper clamping block as the upper end of the plate deformation measuring assembly, setting one side of the lower clamping block as the lower end of the plate deformation measuring assembly, and setting the placing cavity on the upper end surface of the lower clamping block;
the 5 inner side surfaces of the placing cavity are respectively set as follows: a first X-axis inner side surface and a second X-axis inner side surface which are perpendicular to the X-axis, a first Y-axis inner side surface and a second Y-axis inner side surface which are perpendicular to the Y-axis, and a first Z-axis inner side surface which is perpendicular to the X-axis;
when the test plate is fixed in the placing cavity, the first X-axis side surface is attached to the first X-axis inner side surface, the first Y-axis side surface is attached to the first Y-axis inner side surface, the first Z-axis side surface is attached to the first Z-axis inner side surface, and the lower end surface of the upper clamping block is attached to the upper end surface of the lower clamping block;
the measuring end of the width deformation measuring assembly is attached to the second Y-axis side face, the measuring end of the thickness deformation measuring assembly is attached to the second X-axis side face, and the measuring end of the length deformation measuring assembly is attached to the second Z-axis side face.
Specifically, thickness deformation detection subassembly includes thickness displacement sensor subassembly and thickness elastic fixing piece, be provided with on the second X axle medial surface of placing the cavity with thickness displacement sensor mounting hole and the thickness fixing piece mounting hole of the outside intercommunication of clamp splice down, the axis of thickness displacement sensor mounting hole with the axis of thickness fixing piece mounting hole all sets up along the X axle, thickness displacement sensor subassembly with thickness displacement sensor mounting hole can dismantle the connection, thickness elastic fixing piece with thickness fixing piece mounting hole can dismantle the connection, the elastic end of thickness elastic fixing piece with the second X axle side supports and leans on, and right the second X axle side of test board provides along second X axle side orientation the prestressing force of first X axle side.
Specifically, the thickness displacement sensor assembly comprises a plurality of thickness displacement sensors fixed in a sensor fixing nut, wherein the thickness displacement sensors are in threaded connection with the thickness displacement sensor mounting holes through the fixing nut, and probes of the thickness displacement sensors are in contact with the surface of the test plate;
the thickness elastic fixing piece comprises a threaded section and a spring section, wherein the inner end of the threaded section of the thickness elastic fixing piece is fixedly connected with the outer end of the spring section of the thickness elastic fixing piece, the threaded section of the thickness elastic fixing piece is in threaded connection with the mounting hole of the thickness fixing piece, and the inner end of the spring section of the thickness elastic fixing piece abuts against the side face of the second Y axis of the test plate.
Specifically, the width deformation detection assembly comprises a width displacement sensor assembly and a width elastic fixing piece, a width displacement sensor detection hole and a width fixing piece installation hole are formed in the inner side face of a second Y shaft of the placing cavity, the width displacement sensor detection hole and the width fixing piece installation hole are communicated with the outside of the lower clamping block, the central axis of the width displacement sensor detection hole and the central axis of the width fixing piece installation hole are all arranged along the Y shaft, the width elastic fixing piece is detachably connected with the width fixing piece installation hole, an elastic end of the width elastic fixing piece abuts against the side face of the second Y shaft, prestress along the side face of the second Y shaft towards the side face of the first Y shaft is provided for the side face of the second Y shaft, the width displacement sensor assembly is connected with the outer side face of the lower clamping block, and a measuring end of the width displacement sensor assembly penetrates through the width displacement sensor detection hole and is in contact with the surface of the test plate.
The width displacement sensor assembly comprises a plurality of width displacement sensors and a plurality of width displacement transmission assemblies, wherein the width displacement sensors and the width displacement transmission assemblies are fixed in a sensor fixing nut, a probe of each width displacement sensor is in contact with a first end of each width displacement transmission assembly, a second end of each width displacement transmission assembly penetrates through each width displacement sensor detection hole to be in contact with the surface of the test board, a width displacement sensor installation blind hole coaxial with each width displacement sensor detection hole is formed in the outer side surface of each lower clamping block, and each width displacement sensor is in threaded connection with each width displacement sensor installation blind hole through the fixing nut;
the width elastic fixing piece comprises a threaded section and a spring section, wherein the inner end of the threaded section of the width elastic fixing piece is fixedly connected with the outer end of the spring section of the width elastic fixing piece, the threaded section of the width elastic fixing piece is in threaded connection with the mounting hole of the width fixing piece, and the inner end of the spring section of the width elastic fixing piece abuts against the side face of the second X axis of the test plate.
Specifically, a length displacement sensor detection hole is formed in the upper clamping block, and the central axis of the length displacement sensor detection hole is arranged along the Z axis;
the length deformation measurement assembly comprises a plurality of length displacement sensors and a plurality of length displacement transmission assemblies, wherein the length displacement sensors and the length displacement transmission assemblies are fixed in a sensor fixing nut, probes of the length displacement sensors are in contact with first ends of the length displacement transmission assemblies, second ends of the length displacement transmission assemblies penetrate through length displacement sensor detection holes and are in contact with the surface of the test plate, and upper end faces of the upper clamping blocks are provided with length displacement sensor installation blind holes coaxial with the length displacement sensor detection holes, and the length displacement sensors are in threaded connection with the length displacement sensor installation blind holes through the fixing nuts.
Specifically, the width displacement transmission assembly/length displacement transmission assembly comprises a supporting seat, a cross rod, a detection rod and a transmission rod, wherein a first end of the supporting seat is vertically and fixedly connected with the outer side face of the lower clamping block/the upper end face of the upper clamping block, a second end of the supporting seat is rotatably connected with the middle point of the cross rod, a first end of the detection rod is vertically and fixedly connected with the first end of the cross rod, a second end of the detection rod is in contact with the surface of the test board, a first end of the transmission rod is vertically and fixedly connected with the second end of the cross rod, and a second end of the transmission rod is in contact with the width displacement sensor/the probe of the length displacement sensor.
A sheet deformation measurement device, comprising:
the plate deformation measuring assembly is characterized in that the plate deformation measuring assembly comprises a plate body;
the plate deformation measuring assembly is fixed in the irradiation tank through the fixing assembly;
the positioning flange, the first terminal surface fixedly connected with squirrel cage of positioning flange, be provided with on the squirrel cage rather than the outlet duct of inside intercommunication, the second terminal surface of positioning flange with have set gradually transition pipe and protection tube between the upper cover plate, the squirrel cage the transition pipe the protection tube with irradiation jar inside intercommunication, set up on the upper cover plate and pass the intake pipe of positioning flange.
Specifically, the fixing assembly comprises a lower cushion block, a supporting block, an elastic assembly and an upper cushion block, wherein the lower cushion block is arranged between the plate deformation measuring assembly and the lower cover plate, the upper cushion block, the elastic assembly and the supporting block are sequentially arranged between the upper cover plate and the plate deformation measuring assembly, and the outer side surface of the plate deformation measuring assembly is fixedly connected with the inner side surface of the irradiation tank through a positioning rib;
the elastic component includes baffle, elastic component and backup pad, the both ends of elastic component respectively with the baffle with backup pad fixed connection, the baffle with the backup pad with lower apron parallel arrangement.
Compared with the prior art, the invention can meet the requirements of reflecting deformation parameters and irradiation performance in the irradiation process in real time by detecting the deformation of the test plate in the three-dimensional direction, and can feed back the irradiation condition of the nuclear material in the reactor in real time and accurately acquire related irradiation parameters.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic view of a lower clamp block assembly according to the present invention.
Fig. 2 is a side view of a lower clamp block assembly according to the present invention.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is a B-B cross-sectional view of fig. 2.
Fig. 5 is a C-C cross-sectional view of fig. 4.
Fig. 6 is a schematic structural view of an upper clamp block assembly according to the present invention.
Fig. 7 is a side view of an upper clamp block assembly according to the present invention.
Fig. 8 is a cross-sectional view A-A of fig. 7.
Fig. 9 is a cross-sectional view of a plate deformation measuring apparatus according to the present invention.
Fig. 10 is a schematic view of the structure of the elastic assembly according to the present invention.
Reference numerals: the device comprises a lower clamping block assembly, an upper clamping block assembly, a 3-elastic assembly, a lower 4-cover plate, a 5-supporting block, a 6-irradiation tank, a 7-upper cushion block, an upper 8-cover plate, a 9-protection pipe, a 10-air inlet pipe, a 11-transition pipe, a 12-positioning flange, a 13-mouse cage, a 14-sealing plug, a 15-air outlet nozzle, a 16-quick connector, a 17-test board, a 18-lower cushion block, a 101-lower clamping block, a 102-thickness displacement sensor, a 103-width displacement sensor, a 104-width displacement transmission assembly, a 105-width elastic fixing piece, a 106-fixing nut, a 107-filling block, a 108-neutron detection box, a 109-thickness elastic fixing piece, a 201-upper clamping block, a 202-length displacement transmission assembly, a 203-length displacement sensor, a 31-baffle plate, a 32-elastic piece and a 33-supporting plate.
Detailed Description
The present invention will be described in further detail with reference to the drawings and embodiments, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the invention.
It should be further noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
Embodiments of the present invention and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
A panel deformation measurement assembly comprising: the upper clamping block assembly 2 and the lower clamping block assembly 1, wherein a placing cavity for placing the test plate 17 is formed in the lower clamping block assembly 1, and the test plate 17 is fixedly arranged in the placing cavity; the dimensions of the rectangular placement cavity match the dimensions of the test plate 17.
The lower clamping block assembly 1 comprises a lower clamping block 101, and a width deformation measuring assembly and a thickness deformation measuring assembly which are fixedly arranged on the lower clamping block 101; the deformation of the test board 17 in the width direction is measured by the width deformation measuring assembly, and the deformation of the test board 17 in the thickness direction is measured by the thickness template measuring assembly.
The upper clamping block assembly 2 comprises an upper clamping block 201 and a length deformation measuring assembly fixedly arranged on the upper clamping block 201; the deformation of the test plate 17 in the longitudinal direction is measured by the length deformation measuring assembly.
The upper clamping block 201 and the lower clamping block 101 are coaxially arranged and are in sealing fit, and the measuring end of the width deformation measuring assembly, the measuring end of the thickness deformation measuring assembly and the measuring end of the length deformation measuring assembly are all in contact with the test plate 17.
And for convenience of description of specific positions, the azimuth in the present embodiment will be described, taking the test plate 17 as an example: setting the thickness direction of the test plate 17 as the X axis, setting the width direction of the test plate 17 as the Y axis, and setting the length square of the test plate 17 as the Z axis;
according to the set XYZ axes, 6 sides of the test plate 17 are set: first and second X-axis sides perpendicular to the X-axis, first and second Y-axis sides perpendicular to the Y-axis, and first and second Z-axis sides perpendicular to the X-axis;
setting one side of the upper clamping block 201 as the upper end of the plate deformation measuring assembly, setting one side of the lower clamping block 101 as the lower end of the plate deformation measuring assembly, and arranging a cavity on the upper end surface of the lower clamping block 101;
correspondingly, according to the set XYZ axes, setting 5 inner side surfaces of the placement cavity for setting: a first X-axis inner side surface and a second X-axis inner side surface which are vertical to the X axis, a first Y-axis inner side surface and a second Y-axis inner side surface which are vertical to the Y axis, and a first Z-axis inner side surface which is vertical to the X axis;
when the test board 17 is fixed in the placing cavity, the first X-axis side surface is attached to the first X-axis inner side surface, the first Y-axis side surface is attached to the first Y-axis inner side surface, the first Z-axis side surface is attached to the first Z-axis inner side surface, and the lower end surface of the upper clamping block 201 is attached to the upper end surface of the lower clamping block 101;
the measuring end of the width deformation measuring assembly is attached to the side face of the second Y axis, the measuring end of the thickness deformation measuring assembly is attached to the side face of the second X axis, and the measuring end of the length deformation measuring assembly is attached to the side face of the second Z axis.
In this installation, the test plate 17 can be inflated only in the direction of the first X-axis side face toward the second X-axis side face in the X-axis direction; the test plate 17 is expandable in the Y-axis direction only in the direction of the first Y-axis side face toward the second Y-axis side face; the test plate 17 is expandable in the Z-axis direction only in the direction of the first Z-axis side face toward the second Z-axis side face.
The purpose of measuring the deformation of the entire test plate 17 can thus be achieved by measuring the deformation of the second X-axis side, the second Y-axis side and the second Z-axis side.
In order to facilitate the mounting of the test plate 17 in the placement cavity, it is necessary to ensure that a gap is provided between the inner side of the placement cavity and the outer side of the test plate 17.
The thickness deformation detection assembly comprises a thickness displacement sensor assembly and a thickness elastic fixing piece 109, a thickness displacement sensor mounting hole and a thickness fixing piece mounting hole which are communicated with the outside of the lower clamping block 101 are formed in the inner side face of the second X axis of the placement cavity, the central axis of the thickness displacement sensor mounting hole and the central axis of the thickness fixing piece mounting hole are all arranged along the X axis, the thickness displacement sensor assembly is detachably connected with the thickness displacement sensor mounting hole, the thickness elastic fixing piece 109 is detachably connected with the thickness fixing piece mounting hole, the elastic end of the thickness elastic fixing piece 109 abuts against the side face of the second X axis, and prestress towards the side face of the first X axis along the side face of the second X axis is provided for the side face of the second X axis of the test plate 17.
The thickness displacement sensor assembly comprises a plurality of thickness displacement sensors 102 fixed in a sensor fixing nut 106, the thickness displacement sensors 102 are in threaded connection with a thickness displacement sensor mounting hole through the fixing nut 106, and probes of the thickness displacement sensors 102 are in contact with the surface of the test plate 17;
the thickness displacement sensor 102 is connected with the lower clamping block 101 through threads, and the position of the thickness displacement sensor 102 can be controlled by changing the screwing formation of the threads, so that the adjustment can be performed according to the size of the test plate 17.
By the contact of the thickness displacement sensor 102 with the test plate 17, if the test plate 17 expands, the position of the second X-axis side is changed, so that the thickness displacement sensor 102 detects the change in distance, resulting in the deformation of the test plate 17 in the thickness direction.
In order to enable stable installation of the test plate 17 in the placement cavity, the test plate 17 is prestressed by the thickness elastic fixing member 109 to achieve fixing.
Meanwhile, the thickness elastic fixing piece 109 has certain elasticity, so that the test board 17 can compress the thickness elastic fixing piece 109 when expanding, and the detection result is not affected.
The thickness elastic fixing member 109 may have various structures, and one embodiment is provided below:
the thickness elastic fixing member 109 comprises a threaded section and a spring section, the inner end of the threaded section of the thickness elastic fixing member 109 is fixedly connected with the outer end of the spring section of the thickness elastic fixing member 109, the threaded section of the thickness elastic fixing member 109 is in threaded connection with the thickness fixing member mounting hole, and the inner end of the spring section of the thickness elastic fixing member 109 abuts against the second X-axis side face of the test plate 17.
The integral adjustment of the thickness elastic fixing member 109 is achieved through the connection of the threaded section and the thickness fixing member mounting hole, so that the thickness elastic fixing member 109 generates prestress to the test plate 17 under the condition that the spring section is not compressed to the minimum length.
When the test plate 17 expands, a force is applied to the spring section, compressing the spring section without affecting the deformation.
The width deformation detection assembly comprises a width displacement sensor assembly and a width elastic fixing piece 105, a width displacement sensor detection hole and a width fixing piece installation hole which are communicated with the outside of the lower clamping block 101 are formed in the inner side face of the second Y shaft of the placement cavity, the central axis of the width displacement sensor detection hole and the central axis of the width fixing piece installation hole are all arranged along the Y shaft, the width elastic fixing piece 105 is detachably connected with the width fixing piece installation hole, the elastic end of the width elastic fixing piece 105 abuts against the side face of the second Y shaft, prestress along the side face of the second Y shaft towards the side face of the first Y shaft is provided for the side face of the second Y shaft of the test board 17, the width displacement sensor assembly is connected with the outer side face of the lower clamping block 101, and the measuring end of the width displacement sensor assembly penetrates through the width displacement sensor detection hole and contacts with the surface of the test board 17.
The width displacement sensor assembly comprises a plurality of width displacement sensors 103 and a plurality of width displacement transmission assemblies 104 which are fixed in a sensor fixing nut 106, a probe of each width displacement sensor 103 is in contact with a first end of each width displacement transmission assembly 104, a second end of each width displacement transmission assembly 104 passes through a corresponding width displacement sensor detection hole to be in contact with the surface of the test plate 17, a width displacement sensor installation blind hole coaxial with the corresponding width displacement sensor detection hole is formed in the outer side surface of each lower clamping block 101, and each width displacement sensor 103 is in threaded connection with each width displacement sensor installation blind hole through the corresponding fixing nut 106;
the width displacement sensor 103 is connected with the lower clamping block 101 through threads, and the position of the width displacement sensor 103 can be controlled by changing the screwing formation of the threads, so that the adjustment can be performed according to the size of the test plate 17.
The width displacement sensor 103 is in contact with the test plate 17 through the width displacement transmission assembly 104, and if the test plate 17 expands, the position of the second Y-axis side surface is changed, so that the width displacement sensor 103 detects the change of the distance, and the deformation of the test plate 17 in the width direction is obtained.
In order to enable stable installation of the test plate 17 in the placement cavity, the test plate 17 is prestressed by the wide elastic fixing member 105, and fixation is achieved. The structure of the width elastic fixing member 105 is the same as that of the thickness elastic fixing member, and the working principle thereof is the same, and the description thereof will be omitted.
The width elastic fixing member 105 comprises a threaded section and a spring section, the inner end of the threaded section of the width elastic fixing member 105 is fixedly connected with the outer end of the spring section of the width elastic fixing member 105, the threaded section of the width elastic fixing member 105 is in threaded connection with the mounting hole of the width fixing member, and the inner end of the spring section of the width elastic fixing member 105 abuts against the second Y-axis side face of the test plate 17.
The upper clamping block 201 is provided with a length displacement sensor detection hole, and the central axis of the length displacement sensor detection hole is arranged along the Z axis; after the test plate 17 is placed into the placement cavity, the upper clamping block 201 and the lower clamping block 101 are assembled to achieve fixation.
The length deformation measurement assembly comprises a plurality of length displacement sensors 203 and a plurality of length displacement transmission assemblies 202 which are fixed in the sensor fixing nuts 106, a probe of each length displacement sensor 203 is in contact with a first end of each length displacement transmission assembly 202, a second end of each length displacement transmission assembly 202 penetrates through each length displacement sensor detection hole to be in contact with the surface of the test plate 17, a length displacement sensor 203 installation blind hole coaxial with each length displacement sensor detection hole is formed in the upper end face of each upper clamping block 201, and each length displacement sensor 203 is in threaded connection with each length displacement sensor 203 installation blind hole through the fixing nuts 106.
The length displacement sensor 203 is connected with the upper clamping block 201 through threads, and the position of the length displacement sensor 203 can be controlled by changing the screwing formation of the threads, so that the adjustment can be performed according to the size of the test board 17.
The length displacement sensor 203 is in contact with the test plate 17 through the length displacement transmission assembly 202, and if the test plate 17 expands, the position of the second Y-axis side surface is changed, so that the length displacement sensor detects the change of the distance, and the deformation of the test plate 17 in the length direction is obtained.
Because neither the width displacement sensor 103 nor the length displacement sensor 203 is in direct contact with the test plate 17, when the test plate 17 deforms due to expansion in the second Y-axis side and the second Z-axis side, the deformation is transmitted through the width displacement sensor assembly and the length deformation measuring assembly, and the structures thereof are identical except for the difference in the positions of use.
The width displacement transmission assembly 104/length displacement transmission assembly 202 comprises a supporting seat, a cross rod, a detection rod and a transmission rod, wherein a first end of the supporting seat is vertically and fixedly connected with the outer side surface of the lower clamping block 101/the upper end surface of the upper clamping block 201, a second end of the supporting seat is rotatably connected with the middle point of the cross rod, a first end of the detection rod is vertically and fixedly connected with the first end of the cross rod, a second end of the detection rod is in contact with the surface of the test board 17, a first end of the transmission rod is vertically and fixedly connected with the second end of the cross rod, and a second end of the transmission rod is in contact with the probe of the width displacement sensor 103/length displacement sensor 203.
When the second Y-axis side surface and the second Z-axis side surface deform, the detection rod expands outwards, so that an outward acting force is applied to the detection rod, the detection rod transmits the acting force to the cross rod, the cross rod rotates along the second end of the supporting seat, the second end of the cross rod drives the transmission rod to move, the transmission rod finally transmits displacement to probes of the width displacement sensor 103 and the length displacement sensor 203, deformation detection is realized,
example two
The plate deformation measuring device comprises a plate deformation measuring assembly, a positioning flange 12, an irradiation tank 6, a lower cover plate 4 and an upper cover plate 8 which are detachably connected with two ends of the irradiation tank 6, wherein the plate deformation measuring assembly is fixed in the irradiation tank 6 through a fixing assembly; the first end face fixedly connected with mouse cage 13 of locating flange 12, be provided with on the mouse cage 13 rather than the inside outlet duct of intercommunication, set gradually transition pipe 11 and protection tube 9 between the second end face of locating flange 12 and the upper cover plate 8, mouse cage 13, transition pipe 11, protection tube 9 and irradiation jar 6 inside intercommunication set up on the upper cover plate 8 and pass the intake pipe 10 of locating flange 12.
Two penetrating air holes are arranged in the axial direction of the upper clamping block 201 and the lower clamping block 101, the air inlet pipe 10 penetrates through the upper cover plate 8 and the air holes to penetrate deep into the bottom of the irradiation tank 6, and a quick connector 16 is arranged on the air inlet pipe 10 and used for being quickly connected with the air tank.
During the test, two inert gases with larger difference of heat conductivity coefficients are filled into the air inlet pipe 10; during the test, the annular cavity is filled with mixed inert gas, and the temperature control is realized through controlling the volume fractions of the two gases.
The air outlet pipe is used for discharging inert gas after the test and leading out a lead of the displacement sensor, the lead leading-out hole is provided with a sealing plug 14 for sealing, and an air outlet nozzle 15 which can be closed and opened is arranged on the air outlet pipe.
A detachable filling block 107 is arranged in the lower clamping block 101, a neutron detection box 108 is arranged in the filling block 107, a thermocouple is welded outside the neutron detection box 108, the temperature of the test board 17 is monitored in real time, and the temperature is regulated through inert gas, so that a temperature and deformation performance curve is formed.
In addition, the wires of the width displacement sensor 103 and the thickness displacement sensor 102 are led to the squirrel cage 13 along the groove in the Z-axis direction of the lower clamp block 101 and led out of the device, so that they can be electrically connected with external devices.
The fixing assembly comprises a lower cushion block 18, a supporting block 5, an elastic assembly 3 and an upper cushion block 7, wherein the lower cushion block 18 is arranged between the plate deformation measuring assembly and the lower cover plate 4, the upper cushion block 7, the elastic assembly 3 and the supporting block 5 are sequentially arranged between the upper cover plate 8 and the plate deformation measuring assembly, and the outer side surface of the plate deformation measuring assembly is fixedly connected with the inner side surface of the irradiation tank 6 through positioning ribs;
the number of the positioning ribs is at least 3, an annular cavity of 0.15 mm-0.3 mm is formed between the lower clamping block 101, the upper clamping block 201 and the irradiation tank 6, and inert gas is filled in the annular cavity during test.
In order to realize the cooperation of the upper clamping block 201 and the lower clamping block 101, a groove can be formed on the upper end surface of the lower clamping block 101, a boss is formed on the lower end surface of the upper clamping block 201, and the temperature connection is realized through the cooperation of the boss and the groove.
The elastic component 3 includes baffle 31, elastic component 32 and backup pad 33, and the both ends of elastic component 32 are respectively with baffle 31 and backup pad 33 fixed connection, baffle 31 and backup pad 33 and lower apron 4 parallel arrangement. The purpose is to avoid the irradiation tank 6 from being damaged by the expansion force of the plate deformation measuring assembly, thereby causing safety accidents, wherein the elastic piece 32 can be a spring or a shrapnel.
In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the present application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the invention. Other variations or modifications of the above-described invention will be apparent to those of skill in the art, and are still within the scope of the invention.
Claims (5)
1. A sheet deformation measurement assembly, comprising: the test device comprises an upper clamping block assembly and a lower clamping block assembly, wherein a placing cavity for placing a test plate is formed in the lower clamping block assembly, and the test plate is fixedly arranged in the placing cavity;
the lower clamping block assembly comprises a lower clamping block, and a width deformation measuring assembly and a thickness deformation measuring assembly which are fixedly arranged on the lower clamping block;
the upper clamping block assembly comprises an upper clamping block and a length deformation measuring assembly fixedly arranged on the upper clamping block;
the upper clamping block and the lower clamping block are coaxially arranged and are in sealing fit, and the measuring end of the width deformation measuring assembly, the measuring end of the thickness deformation measuring assembly and the measuring end of the length deformation measuring assembly are all in contact with the test plate;
setting the thickness direction of the test plate as an X axis, setting the width direction of the test plate as a Y axis, and setting the length square of the test plate as a Z axis;
the 6 sides of the test plate are respectively set as follows: first and second X-axis sides perpendicular to the X-axis, first and second Y-axis sides perpendicular to the Y-axis, and first and second Z-axis sides perpendicular to the X-axis;
setting one side of the upper clamping block as the upper end of the plate deformation measuring assembly, setting one side of the lower clamping block as the lower end of the plate deformation measuring assembly, and setting the placing cavity on the upper end surface of the lower clamping block;
the 5 inner side surfaces of the placing cavity are respectively set as follows: a first X-axis inner side surface and a second X-axis inner side surface which are perpendicular to the X-axis, a first Y-axis inner side surface and a second Y-axis inner side surface which are perpendicular to the Y-axis, and a first Z-axis inner side surface which is perpendicular to the X-axis;
when the test plate is fixed in the placing cavity, the first X-axis side surface is attached to the first X-axis inner side surface, the first Y-axis side surface is attached to the first Y-axis inner side surface, the first Z-axis side surface is attached to the first Z-axis inner side surface, and the lower end surface of the upper clamping block is attached to the upper end surface of the lower clamping block;
the measuring end of the width deformation measuring component is attached to the second Y-axis side surface, the measuring end of the thickness deformation measuring component is attached to the second X-axis side surface, and the measuring end of the length deformation measuring component is attached to the second Z-axis side surface;
the thickness deformation measuring assembly comprises a thickness displacement sensor assembly and a thickness elastic fixing piece, a thickness displacement sensor mounting hole and a thickness fixing piece mounting hole which are communicated with the outside of the lower clamping block are formed in the inner side face of the second X axis of the placing cavity, the central axis of the thickness displacement sensor mounting hole and the central axis of the thickness fixing piece mounting hole are arranged along the X axis, the thickness displacement sensor assembly is detachably connected with the thickness displacement sensor mounting hole, the thickness elastic fixing piece is detachably connected with the thickness fixing piece mounting hole, the elastic end of the thickness elastic fixing piece abuts against the side face of the second X axis, and prestress towards the side face of the first X axis along the side face of the second X axis is provided for the side face of the second X axis of the test plate;
the width deformation measuring assembly comprises a width displacement sensor assembly and a width elastic fixing piece, a width displacement sensor detecting hole and a width fixing piece installing hole which are communicated with the outside of the lower clamping block are formed in the inner side face of a second Y axis of the placing cavity, the central axis of the width displacement sensor detecting hole and the central axis of the width fixing piece installing hole are arranged along the Y axis, the width elastic fixing piece is detachably connected with the width fixing piece installing hole, an elastic end of the width elastic fixing piece is abutted to the side face of the second Y axis, prestress which faces the side face of the first Y axis along the side face of the second Y axis is provided for the side face of the second Y axis of the test board, the width displacement sensor assembly is connected with the outer side face of the lower clamping block, and a measuring end of the width displacement sensor assembly penetrates through the width displacement sensor detecting hole to be in contact with the surface of the test board;
the width displacement sensor assembly comprises a plurality of width displacement sensors and a plurality of width displacement transmission assemblies, wherein the width displacement sensors and the width displacement transmission assemblies are fixed in a sensor fixing nut, a probe of each width displacement sensor is in contact with a first end of each width displacement transmission assembly, a second end of each width displacement transmission assembly penetrates through each width displacement sensor detection hole to be in contact with the surface of the test plate, a width displacement sensor installation blind hole coaxial with each width displacement sensor detection hole is formed in the outer side surface of each lower clamping block, and each width displacement sensor is in threaded connection with each width displacement sensor installation blind hole through the fixing nut;
the width elastic fixing piece comprises a threaded section and a spring section, the inner end of the threaded section of the width elastic fixing piece is fixedly connected with the outer end of the spring section of the width elastic fixing piece, the threaded section of the width elastic fixing piece is in threaded connection with the mounting hole of the width fixing piece, and the inner end of the spring section of the width elastic fixing piece abuts against the second Y-axis side face of the test plate;
the width displacement transmission assembly comprises a supporting seat, a cross rod, a detection rod and a transmission rod, wherein the first end of the supporting seat is vertically and fixedly connected with the outer side face of the lower clamping block, the second end of the supporting seat is rotatably connected with the middle point of the cross rod, the first end of the detection rod is vertically and fixedly connected with the first end of the cross rod, the second end of the detection rod is in contact with the surface of the test board, the first end of the transmission rod is vertically and fixedly connected with the second end of the cross rod, and the second end of the transmission rod is in contact with the probe of the width displacement sensor.
2. A plate deformation measuring assembly according to claim 1, wherein the thickness displacement sensor assembly comprises a plurality of thickness displacement sensors fixed within a sensor fixing nut, the thickness displacement sensors being threadably connected to the thickness displacement sensor mounting holes by the fixing nuts, the probes of the thickness displacement sensors being in contact with the surface of the test plate;
the thickness elastic fixing piece comprises a threaded section and a spring section, wherein the inner end of the threaded section of the thickness elastic fixing piece is fixedly connected with the outer end of the spring section of the thickness elastic fixing piece, the threaded section of the thickness elastic fixing piece is in threaded connection with the mounting hole of the thickness fixing piece, and the inner end of the spring section of the thickness elastic fixing piece abuts against the side face of the second X axis of the test plate.
3. The plate deformation measurement assembly according to claim 1, wherein the upper clamping block is provided with a length displacement sensor detection hole, and a central axis of the length displacement sensor detection hole is arranged along a Z axis;
the length deformation measuring assembly comprises a plurality of length displacement sensors and a plurality of length displacement transmission assemblies, wherein the length displacement sensors and the length displacement transmission assemblies are fixed in a sensor fixing nut, a probe of each length displacement sensor is in contact with a first end of each length displacement transmission assembly, a second end of each length displacement transmission assembly penetrates through each length displacement sensor detection hole to be in contact with the surface of the test board, a length displacement sensor installation blind hole coaxial with each length displacement sensor detection hole is formed in the upper end face of each upper clamping block, and each length displacement sensor is in threaded connection with each length displacement sensor installation blind hole through the fixing nut;
the length displacement transmission assembly comprises a supporting seat, a cross rod, a detection rod and a transmission rod, wherein the first end of the supporting seat is vertically and fixedly connected with the upper end face of the upper clamping block, the second end of the supporting seat is rotatably connected with the middle point of the cross rod, the first end of the detection rod is vertically and fixedly connected with the first end of the cross rod, the second end of the detection rod is in contact with the surface of the test board, the first end of the transmission rod is vertically and fixedly connected with the second end of the cross rod, and the second end of the transmission rod is in contact with the probe of the length displacement sensor.
4. The utility model provides a panel deformation measuring device which characterized in that includes:
a panel deformation measuring assembly according to any one of claims 1-3;
the plate deformation measuring assembly is fixed in the irradiation tank through the fixing assembly;
the positioning flange, the first terminal surface fixedly connected with squirrel cage of positioning flange, be provided with on the squirrel cage rather than the outlet duct of inside intercommunication, the second terminal surface of positioning flange with have set gradually transition pipe and protection tube between the upper cover plate, the squirrel cage the transition pipe the protection tube with irradiation jar inside intercommunication, set up on the upper cover plate and pass the intake pipe of positioning flange.
5. The plate deformation measurement device according to claim 4, wherein the fixing assembly comprises a lower cushion block, a supporting block, an elastic assembly and an upper cushion block, the lower cushion block is arranged between the plate deformation measurement assembly and the lower cover plate, the upper cushion block, the elastic assembly and the supporting block are sequentially arranged between the upper cover plate and the plate deformation measurement assembly, and the outer side surface of the plate deformation measurement assembly is fixedly connected with the inner side surface of the irradiation tank through positioning ribs;
the elastic component includes baffle, elastic component and backup pad, the both ends of elastic component respectively with the baffle with backup pad fixed connection, the baffle with the backup pad with lower apron parallel arrangement.
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