CN117537780A - Gradient detection platform - Google Patents
Gradient detection platform Download PDFInfo
- Publication number
- CN117537780A CN117537780A CN202311530175.9A CN202311530175A CN117537780A CN 117537780 A CN117537780 A CN 117537780A CN 202311530175 A CN202311530175 A CN 202311530175A CN 117537780 A CN117537780 A CN 117537780A
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- fan
- test
- detection platform
- strain gauge
- circular
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 71
- 239000000969 carrier Substances 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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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
- G01B21/22—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 angles or tapers; for testing the alignment of axes
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention aims to provide the inclination detection platform which is convenient to take and place, convenient to operate and low in production cost, can be used for measuring the contact of the cambered surface in a narrow space and providing an effective reference value of the inclination amount. The invention comprises a test base and a pressing tool table, wherein a circular through hole positioned below the pressing tool table is arranged in the middle of the test base, a plurality of fan-shaped test carriers which are cantilever-shaped and uniformly distributed in a ring shape are arranged in the middle of the circular through hole, the bottoms of the fan-shaped test carriers are fixedly connected with the side wall of the circular through hole through a plurality of tool plates respectively, strain gauges for detecting deformation values are arranged in the middle of the tool plates, and the strain gauges, the tool plates and the fan-shaped test carriers are uniformly and correspondingly arranged. The invention is applied to the technical field of gradient test.
Description
Technical Field
The invention relates to a detection platform, in particular to an inclination detection platform.
Background
At present, in the process of environmental thermal test of electronic products, in order to ensure the stability of the environment provided for the electronic products and ensure the good heat conduction capability of the heat transfer element, whether the inclination exists between the end surface of the heat transfer element and the contact surface of the product needs to be detected.
In the prior art, most of the inclination measurement is performed on products through laser, for example, chinese patent with the publication number of CN 113218368B discloses an inclination detection laser level and a detection method, wherein the inclination detection laser level comprises a hand-held rod, and the upper end of the hand-held rod is longitudinally and rotatably connected with a detection rod in a damping manner; the two ends of the detection rod are respectively provided with a laser emitting component and a laser receiving component, and a light beam passing hole is arranged in the detection rod; the laser emission assembly comprises an emission tube seat and a first receiving tube seat; a laser emission tube is arranged in the emission tube seat, and a first reflecting mirror is arranged at the end part of the emission tube seat; the end part of the first receiving tube seat is provided with a second reflecting mirror; a third reflecting mirror and a fourth reflecting mirror are arranged in the beam passing hole; the laser receiving assembly comprises a second receiving tube seat and a third receiving tube seat, and a fifth reflecting mirror is arranged at one end of the second receiving tube seat; the third receiving tube seat is provided with a sixth reflecting mirror and a laser induction target.
Although this equipment is through being close to the inclined surface of waiting to detect the object with the measuring pole, rotatory regulation measuring pole's slant angle is unanimous basically with waiting to detect the inclined surface slope of object, obtain target slant angle value through the scale on the calibrated scale that the laser beam corresponds, and rely on to wait to detect the correction in two different positions of inclined surface of detecting the object, thereby reach the purpose of detecting the gradient, but this scheme is unable to be applicable to the needs that need carry out the gradient in narrow space to the less object of heat transfer component isovolumetric, and this scheme complex operation, can't accurately detect the gradient of heat transfer component, and laser measuring equipment's manufacturing cost is high. Therefore, a new solution is needed to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the inclination detection platform which is convenient to take and place, convenient to operate and low in production cost, can measure the contact of cambered surfaces in a narrow space and provides an effective reference value of the inclination amount.
The technical scheme adopted by the invention is as follows: the invention comprises a test base and a pressing tool table, wherein a circular through hole positioned below the pressing tool table is arranged in the middle of the test base, a plurality of fan-shaped test carriers which are cantilever-shaped and uniformly distributed in a ring shape are arranged in the middle of the circular through hole, the bottoms of the fan-shaped test carriers are fixedly connected with the side wall of the circular through hole through a plurality of tool plates respectively, strain gauges for detecting deformation values are arranged in the middle of the tool plates, and the strain gauges, the tool plates and the fan-shaped test carriers are uniformly and correspondingly arranged.
Further, the sector test carrier, the tooling plate and the strain gauge are all provided with eight.
Further, the upper end faces of the eight fan-shaped test carriers are all plane test boards with the same plane, and the center surrounded by the eight fan-shaped test carriers is an avoidance hole.
Further, the upper end faces of the eight fan-shaped test carriers are cambered surface test boards with the same radian.
Further, the engineering plate is provided with a mounting groove matched with the strain gauge, and two symmetrical semicircular avoidance holes are formed in two ends of the mounting groove in an extending mode.
Further, the deformation value calculation formula of the strain gauge is as follows: y=a×x+k, where y is the amount of inclination, a is a linear coefficient, x is a deformation value, and k is a correction value.
Further, deformation grooves positioned on the left side and the right side of the strain gauge are symmetrically formed in the template plate.
Further, be provided with in the circular through-hole and be annular distribution and set up the arc beam line piece on the contour plate, be provided with on the test base with the wiring recess of circular through-hole intercommunication.
Further, the test base upper end is provided with detachable protective cover plate, be provided with the detection hole with the product adaptation on the protective cover plate, protective cover plate's one end extension be provided with walk the pencil recess apron of line recess adaptation.
Further, each of the jig plates is provided with a wedge-shaped reinforcing block extending from the middle of the bottom of the jig plate and fixedly connected with the bottom of the test base.
The beneficial effects of the invention are as follows: compared with the prior art, the invention further enables the tool plates corresponding to the fan-shaped test carrier to deform by pressing the products on each independent fan-shaped test carrier, so that the deformation values of the corresponding tool plates are measured through the strain gauges, namely, the parameters of eight deformation values at the circumferential positions of the products can be obtained through eight strain gauges, and the inclination values and the positions and the sizes of the inclination values of the products are judged through comparison calculation, namely, the inclination values of the products can be obtained through only one pressing test, and the detection of the inclination of the object with smaller equivalent volume of the heat transfer element is realized.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the base in the first embodiment;
FIG. 3 is a schematic view of the base from another perspective in accordance with the first embodiment;
FIG. 4 is a schematic view of the construction of the tooling plate;
FIG. 5 is a schematic view of the structure of the protective cover plate;
fig. 6 is a schematic perspective view of a second embodiment of the present invention.
Detailed Description
Embodiment one:
as shown in fig. 1 to 5, in this embodiment, the present invention includes a test base 1 and an external pressing tooling table, positioning holes 14 are provided on the base 1 along a diagonal line, limiting grooves 16 are provided on two sides of the base 1, a circular through hole located below the pressing tooling table is provided in the middle of the test base 1, eight fan-shaped test carriers which are cantilever-shaped and uniformly distributed in a ring shape are provided in the middle of the circular through hole, the eight fan-shaped test carriers are uniformly and equally divided, bottoms of the eight fan-shaped test carriers are fixedly connected with side walls of the circular through hole through eight tool plates 2 respectively, strain gauges 3 for detecting deformation values are provided in the middle of the eight tool plates 2, and the eight strain gauges 3, the eight tool plates 2 and the eight fan-shaped test carriers are uniformly and correspondingly. The pressing tool tables are used for clamping products, each corresponding strain gauge 3, the tool plate 2 and the fan-shaped test carrier are designed integrally with the test base 1, so that the structural strength of the invention is guaranteed, the fan-shaped test carrier is of an independent cantilever structure, it is understood that when each fan-shaped test carrier is subjected to external pressure, the corresponding tool plate 2 is further deformed, deformation values of the corresponding tool plate 2 are measured through the strain gauge 3, namely, parameters of eight deformation values of the positions on the circumference of the products can be obtained through eight strain gauges 3, whether the inclination values exist in the products and the positions and the sizes of the inclination values are judged through comparison calculation, and it is required to be stated that the pressure range born by each tool plate 2 is 10N-100N for guaranteeing the measurement precision and the accuracy, and more fan-shaped test carriers can be designed for improving the detection precision of the products.
As shown in fig. 1 and fig. 2, in this embodiment, eight the upper end faces of the fan-shaped test carriers are all planar plane test boards 4, eight the centers enclosed by the fan-shaped test carriers are avoidance holes 5, the avoidance holes 5 are round holes and are in the same circle center as the eight fan-shaped test carriers, the planar test boards 4 are used for contacting with a product with planar end faces and completing the test, and both ends of the planar test boards 4 are provided with chamfer angles and cooperate with the avoidance holes 5, so that the product clamping test is simpler and more convenient, and the operation is simpler.
As shown in fig. 4, in this embodiment, the tooling plate 2 is provided with a mounting groove 7 adapted to the strain gauge 3, two sets of semicircular avoidance holes 12 are extended and arranged at two ends of the mounting groove 7, the mounting groove 7 is in limit fit with the strain gauge 3, the strain gauge 3 is attached to the mounting groove 7 through strong glue, so as to ensure stability of the strain gauge 3, thereby making a test result more accurate, and the design of the semicircular avoidance holes 12 through two sets of symmetry makes disassembly and replacement of the strain gauge 3 more convenient.
In this embodiment, the deformation value calculation formula of the strain gauge 3 is: y=a×x+k, where y is an inclination amount, a is a linear coefficient, x is a deformation value, k is a correction value, and the deformation value x measured by each strain gauge 3 is brought into the calculation formula to obtain a value of the inclination amount y, so as to determine the inclination position and the inclination value of the product.
In this embodiment, the linear coefficient a is 3.7, the correction value k is 100, the linear coefficient a is obtained by linear fitting, and the correction value k is obtained by repetitive experiments.
As shown in fig. 4, in this embodiment, deformation grooves 8 located on the left and right sides of the strain gauge 3 are symmetrically arranged on the tooling plate 2, the mounting groove 7 is located between the two deformation grooves 8, each tooling plate 2 is spaced, and the deformation grooves 8 are arranged on the tooling plate 2, so that the deformation difficulty of the tooling plate 2 is reduced, the tooling plate 2 is easier to deform after being stressed, and the strain gauge 3 is more beneficial to detecting deformation values and acquiring gradient detection data.
As shown in fig. 2, in this embodiment, the circular through holes are internally provided with arc-shaped wire-binding sheets 9 which are distributed in a ring shape and are arranged on the tool board 2, the test base 1 is provided with wire-guiding grooves 21 which are communicated with the circular through holes, the connecting wires of the strain gauge 3 are regular through the arc-shaped wire-binding sheets 9, and the outlet directions of the connecting wires of the strain gauge 3 are unified through the wire-guiding grooves 21, so that the phenomenon that the wires of the strain gauge 3 are messy and irregular is prevented, and the safety of the invention is improved, and meanwhile, the overhaul and maintenance are more convenient.
As shown in fig. 1 and 5, in this embodiment, a protective cover plate 10 detachably connected by screws is disposed at the upper end of the test base 1, a detection hole 11 adapted to a product is disposed on the protective cover plate 10, a wire harness groove cover plate 22 adapted to the wire routing groove 21 is disposed at one end of the protective cover plate 10 in an extending manner, the detection hole 11 is a circular hole, and after the product is clamped by an external pressing tool table, the detection hole 11 is uniformly pressed on eight fan-shaped test carriers, the protective cover plate 10 is used for protecting an internal structure, and the wire harness groove cover plate 22 is used for protecting a connecting wire in the wire routing groove 21.
As shown in fig. 3, in this embodiment, a wedge-shaped reinforcing block 13 fixedly connected with the bottom of the test base 1 is extended in the middle of the bottom of each of the mold plates 2, and the mold plates 2, the wedge-shaped reinforcing blocks 13 and the test base 1 are all of an integrated structural design, and the wedge-shaped reinforcing blocks 13 are located at the connection positions of the mold plates 2 and the bottom of the base 1, so that stress concentration is reduced, and structural strength and stability of the present invention are further improved.
When the inclination of the product with the planar end part is required to be detected, the outer pressing tool table clamps the product and then uniformly presses the end part of the product at the upper ends of the eight fan-shaped test carrier tables through the detection holes 11, the corresponding tool plate 2 of each fan-shaped test carrier table deforms, so that the corresponding deformation value of the corresponding tool plate 2 is measured through the corresponding strain gauge 3, namely, the eight deformation value parameters of the position on the circumference of the product can be obtained through the eight strain gauges 3, and whether the inclination value exists in the product and the position and the size of the inclination value exist are judged through comparison calculation.
Embodiment two:
as shown in fig. 6, in this embodiment, the difference from the first embodiment is that the upper end faces of the eight fan-shaped test carriers are arc-surface test boards 6 with the same arc, the arc surfaces formed by the eight arc-surface test boards 6 are matched with the arc-surface products at the end parts, and the arc surfaces of the products are in press-fit contact with the eight arc-surface test boards 6, so that the inclination of the products with the arc surfaces at the end parts is detected, and the detection method is the same as that of the first embodiment.
While the embodiments of this invention have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this invention, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.
Claims (10)
1. Inclination testing platform has test base (1) and pushes down frock platform, its characterized in that: the testing base (1) middle part is equipped with and is located the circular through-hole of pushing down the tool table below, the middle part of circular through-hole is provided with a plurality of fan-shaped test carrier tables of cantilever type and annular evenly distributed, and is a plurality of the bottom of fan-shaped test carrier table respectively through a plurality of worker template (2) with the lateral wall fixed connection of circular through-hole, a plurality of worker template (2) middle part all is provided with strain gauge (3) of detection deformation value, a plurality of strain gauge (3), a plurality of worker template (2) and a plurality of fan-shaped test carrier table homogeneous one corresponds.
2. Inclination detection platform according to claim 1, characterized in that: the sector test carrier, the template plate (2) and the strain gauge (3) are all provided with eight.
3. Inclination detection platform according to claim 2, characterized in that: the upper end faces of the eight fan-shaped test carriers are all plane test boards (4) with the same plane, and the center surrounded by the eight fan-shaped test carriers is provided with an avoidance hole (5).
4. Inclination detection platform according to claim 2, characterized in that: and the upper end surfaces of the eight fan-shaped test carrier platforms are cambered surface test platforms (6) with the same radian.
5. Inclination detection platform according to claim 1, characterized in that: the strain gauge is characterized in that the engineering plate (2) is provided with a mounting groove (7) matched with the strain gauge (3), and two symmetrical semicircular avoidance holes (12) are formed in two ends of the mounting groove (7) in an extending mode.
6. Inclination detection platform according to claim 1, characterized in that: the deformation value calculation formula of the strain gauge (3) is as follows: y=a×x+k, where y is the amount of inclination, a is a linear coefficient, x is a deformation value, and k is a correction value.
7. Inclination detection platform according to claim 1, characterized in that: deformation grooves (8) positioned on the left side and the right side of the strain gauge (3) are symmetrically arranged on the template plate (2).
8. Inclination detection platform according to claim 1, characterized in that: arc-shaped wire binding sheets (9) which are distributed annularly and arranged on the template plate (2) are arranged in the circular through holes, and wire grooves (21) communicated with the circular through holes are formed in the test base (1).
9. The tilt detection platform of claim 8, wherein: the testing device is characterized in that a detachable protective cover plate (10) is arranged at the upper end of the testing base (1), a detection hole (11) matched with a product is formed in the protective cover plate (10), and a wiring harness groove cover plate (22) matched with the wiring groove (21) is arranged at one end of the protective cover plate (10) in an extending mode.
10. Inclination detection platform according to claim 1, characterized in that: and a wedge-shaped reinforcing block (13) fixedly connected with the bottom of the test base (1) is arranged in the middle of the bottom of each template plate (2) in an extending manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311530175.9A CN117537780A (en) | 2023-11-16 | 2023-11-16 | Gradient detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311530175.9A CN117537780A (en) | 2023-11-16 | 2023-11-16 | Gradient detection platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117537780A true CN117537780A (en) | 2024-02-09 |
Family
ID=89789414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311530175.9A Pending CN117537780A (en) | 2023-11-16 | 2023-11-16 | Gradient detection platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117537780A (en) |
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2023
- 2023-11-16 CN CN202311530175.9A patent/CN117537780A/en active Pending
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