CN217006802U - Device for improving detection precision of thin component in Richter hardness - Google Patents
Device for improving detection precision of thin component in Richter hardness Download PDFInfo
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- CN217006802U CN217006802U CN202220348565.9U CN202220348565U CN217006802U CN 217006802 U CN217006802 U CN 217006802U CN 202220348565 U CN202220348565 U CN 202220348565U CN 217006802 U CN217006802 U CN 217006802U
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Abstract
The utility model provides a device for improving the detection precision of the Richter hardness of a thin member, which comprises a main control assembly and a first tightening assembly, wherein the first tightening assembly comprises a flange top plate a and a flange top plate b, wherein the flange top plate a and the flange top plate b are respectively tightly attached to an upper flange and a lower flange of a target thin member so as to apply a relative tension to the upper flange and the lower flange of the target thin member; the main control assembly comprises a speed reduction gear and screws which are respectively movably connected with the speed reduction gear so as to enable the flange top plate a and the flange top plate b to do reciprocating motion; the outer edge surface of the main control assembly is fixedly provided with a flange pressing handle which is movably connected with the reduction gear machine. Through the matching mode of the reduction gear machine, the screw, the flange top plate a and the flange top plate b, when the reduction gear machine provides power to the screw, the flange top plate a and the flange top plate b are directly restrained by the target thin component, vibration influence is reduced, and the hardness value of the Richter scale is directly and accurately measured.
Description
Technical Field
The utility model relates to the technical field of hardness precision detection of thin components, in particular to a device for improving the hardness detection precision of a thin component.
Background
The tensile strength of the steel material for the hardness measurement is obtained by converting the hardness value of the steel material obtained by tapping the surface of the steel material with a hardness meter.
However, the method is often influenced by the thickness and the constraint of the plate when the hardness value of the Reye is detected, and undoubtedly, the detection result of the hardness value of the Reye has larger deviation.
Although the correction method of the sheet thickness is clarified in the proposed method standard, the long-term detection results show that the corrected results are still unreliable: in particular, when the same steel material is used for the flange and the cover in general, the results of the measurements using the richter hardness tester are very different in the H-section steel.
The traditional method comprises the following steps: 1. polishing the surface of the component; 2. the hardness value obtained by flicking the Leeb hardness tester is measured by intensity; 3. and (5) calculating a curve.
However, the traditional method is influenced by the thickness and the constraint of the plate when the hardness value of the thin component is detected, so that the plate vibrates greatly, and further, the hardness value detection result has larger deviation.
In view of the above, it is desirable to provide a device for improving the detection accuracy of the hardness of a thin member.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a device for improving the detection precision of the Richter hardness of a thin component, which adopts a mode that the back of a detection area of a target thin component and upper and lower flanges are tightly propped, so that the plate thickness is increased, the plate constraint is increased, the vibration generated in the flicking process of a thin plate is reduced, and the detection result precision is improved, so as to solve the problems in the background technology and solve the problems in the prior art.
In order to achieve the purpose, the utility model is realized by the following technical scheme: an apparatus for improving the accuracy of the detection of the hardness of a thin member in Lihs, comprising:
the device comprises a main control assembly and a first jacking assembly, wherein a first direction and a second direction are defined on the main control assembly; wherein the content of the first and second substances,
the first jacking assembly comprises a flange top plate a and a flange top plate b which are respectively tightly attached to the upper flange and the lower flange of the target thin component so as to apply a relative tension to the upper flange and the lower flange of the target thin component, and the flange top plate a and the flange top plate b are respectively installed in a first direction relative to the main control assembly;
the main control assembly comprises a reduction gear machine and screws which are respectively movably connected with the reduction gear machine so as to enable the flange top plate a and the flange top plate b to do reciprocating motion, and the screws are installed in a second direction relative to the main control assembly;
the outer edge surface of the main control assembly is fixedly provided with a flange pressing handle which is movably connected with the reduction gear machine so as to be used for manually controlling a screw rod and applying restraint to the upper flange and the lower flange of a target thin component.
The improved device for improving the detection precision of the Leeb hardness of the thin-type component further comprises a second tightening assembly, wherein the second tightening assembly comprises
The web top plate is tightly attached to the web measuring area of the target thin component so as to apply a relative jacking force to the web measuring area of the target thin component, and the web top plate is installed in a first direction relative to the main control assembly;
a web plate measuring area tightly supporting handle fixedly arranged on the outer edge surface of the main control assembly;
the web top plate is movably connected with the web measuring area jacking handle and used for applying jacking force to the web top plate through rotation of the web measuring area jacking handle so as to increase the thickness of the target thin component web measuring area.
As an improvement of the device for improving the detection accuracy of the thin member on the richter hardness, adjusting bolts are fixedly arranged at the joints of the screw rods and the flange top plate a and the flange top plate b respectively, so that the screw rods are switched between a rigid connection mode and a hinged connection mode at the joints of the screw rods and the flange top plate a and the flange top plate b respectively.
As an improvement of the device for improving the detection precision of the thin member in the utility model, the main control assembly further comprises a torque control mechanism, and the torque control mechanism is respectively matched and connected with the flange jacking handle and the web measuring area jacking handle and is used for limiting the rotation angle of the flange jacking handle and the web measuring area jacking handle.
As an improvement of the apparatus for improving the accuracy of the detection of the richter hardness of the thin member in the present invention, the first direction and the second direction are perpendicular to each other, the first direction is a transverse direction relative to the main control module, and the second direction is a longitudinal direction relative to the main control module.
In a possible implementation of the apparatus for improving the accuracy of the detection of the richter hardness of a thin member according to the present invention, the torque control mechanism employs a BMOOM torque limiter.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the matching mode of the speed reduction gear machine, the screw rod, the flange top plate a and the flange top plate b, when the speed reduction gear machine provides power to the screw rod, the screw rod drives the flange top plate a and the flange top plate b to be tightly propped upwards or downwards, so that the constraint on a target thin component is directly increased, the vibration influence is reduced, and the Richter hardness value is directly and accurately measured;
2. the web top plate is tightly attached to the web measuring area of the target thin component to apply a relative jacking force to the web measuring area of the target thin component, so that the thickness of the target thin component is transversely increased when the top plate is restrained with the target thin component, and the vibration of the plate is related to the rigidity and the restraint of the plate, so that the vibration of the plate under external excitation is further reduced;
3. through setting up BMOOM torque limiter as the torque control mechanism of master control subassembly for the user can directly learn the tight and tight maximum application of force in web roof top in screw rod top, prevents the damage of detection equipment.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for purposes of illustration and not as a definition of the limits of the utility model, for which like reference numerals are used to indicate like parts. Wherein:
fig. 1 is a schematic view of an application scenario of the device for improving the detection accuracy of the richter hardness of the thin member in detecting an H-shaped steel according to an embodiment of the present invention.
The symbols in the figure illustrate:
the method comprises the following steps of 1-a main control assembly, 2-a flange jacking handle, 3-a web measuring area jacking handle, 4-a flange top plate a, 5-a flange top plate b, 6-a web top plate, 7-an adjusting bolt, 8-a target thin component, an X-first direction and a Y-second direction.
Detailed Description
It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
As shown in fig. 1, as an embodiment of the present invention, the present invention provides a technical solution: an apparatus for improving the accuracy of the detection of the hardness of a thin member in Lihs, comprising:
the main control assembly 1 and the first jacking assembly are self-defined with a first direction X and a second direction Y on the main control assembly 1, wherein the first direction X and the second direction Y are mutually perpendicular, the first direction X is a transverse direction relative to the main control assembly 1, and the second direction Y is a longitudinal direction relative to the main control assembly 1; wherein the content of the first and second substances,
the first tightening assembly comprises a flange top plate a4 and a flange top plate b5 which are respectively tightly attached to the upper and lower flanges of the target thin member 8 so as to apply a relative tension to the upper and lower flanges of the target thin member 8, and the flange top plate a4 and the flange top plate b6 are respectively installed in the first direction X relative to the main control assembly 1, it can be understood that, in the specific implementation, the flange top plate a4 and the flange top plate b5 are parallel to and tightly attached to the upper and lower flanges of the target thin member 8 according to the set size of the workpiece;
the main control assembly 1 comprises a speed reduction gear machine and screws which are respectively movably connected with the speed reduction gear machine so as to enable the flange top plate a and the flange top plate b to do vertical reciprocating motion, and the screws are installed in a second direction Y relative to the main control assembly 1;
the outer edge surface of the main control component 1 is fixedly provided with a flange propping handle 2, the flange propping handle 2 is movably connected with a reduction gear machine for manually controlling a screw rod, constraints are imposed on the upper and lower flanges of the target thin member 8, and it is understood that, according to the theory of vibration, when the plate member (steel material) is externally excited, the vibration of the plate is mainly related to the rigidity of the plate and the restrained vibration, therefore, the larger the rigidity is, the stronger the restrained vibration is, that is, under the same excitation, the vibration is smaller, therefore, the utility model adopts the matching mode of the reduction gear, the screw rod, the flange top plate a4 and the flange top plate b5, make flange roof a4 and flange roof b6 when providing power to the screw rod by speed reduction gear, the screw rod drives flange roof a4 and flange roof b5 and upwards or push up tightly downwards, directly increases the restraint to target slim component 8, reduces the vibration influence to direct and accurate measurement riches and riches hardness number.
In an embodiment of the present invention, the present invention further includes a second tightening assembly, wherein the second tightening assembly includes a web top plate 6 closely attached to the web side area of the target thin member 8 to apply a relative tightening force to the web side area of the target thin member 8, and the web top plate 6 is installed in the first direction X relative to the main control assembly 1; a web plate measuring area fixedly arranged on the outer edge surface of the main control assembly 1 tightly props against the handle 3; it should be noted that, the web top plate 6 is movably connected to the web side abutting handle 3, and is used for applying an abutting force to the web top plate 6 through the rotation of the web side abutting handle 3, so as to increase the thickness of the web side of the target thin member 8, it can be understood that, by providing the web top plate 6 which is tightly attached to the web side of the target thin member 8, so as to apply a relative abutting force to the web side of the target thin member 8, when the top plate (the flange top plate a4 and the flange top plate b5) is constrained with the target thin member 8, the thickness of the target thin member 8 is transversely increased, and the vibration of the plate is related to the stiffness and the constraint thereof, so that the vibration of the plate under external excitation is further reduced.
In an embodiment of the present invention, an adjusting bolt 7 is fixedly disposed at a connection portion of the screw rod and each of the flange top plate a4 and the flange top plate b5, so that the screw rod is switched between a rigid connection manner and a hinged connection manner at the connection portion of the screw rod and each of the flange top plate a4 and the flange top plate b5, and thus a user can arbitrarily adjust a connection manner of the screw rod 7 and each of the flange top plate a4 and the flange top plate b5, so that the present invention is suitable for different detection environments.
In an embodiment of the present invention, the main control assembly 1 further includes a torque control mechanism using a BMOOM torque limiter, the torque control mechanism is respectively and cooperatively connected with the flange tightening handle 2 and the web measurement area tightening handle 3 for limiting the rotation angle of the flange tightening handle 2 and the web measurement area tightening handle 3, wherein the torque control mechanism is fixedly disposed in the main control assembly 1, it can be understood that by using the BMOOM torque limiter as the torque control mechanism of the main control assembly 1, a user can directly know the maximum force application of the screw tightening and the web top plate 6 tightening, and prevent the detection equipment from being damaged, it should be noted that, in the specific implementation, the user shakes the flange tightening handle 2 or the web measurement area tightening handle 3, respectively tightens the flange top plate (flange top plate a4 and flange top plate b5) and the web top plate 6 until hearing the sound "rattling" made by the torque control mechanism, namely, the preset torque is reached, at the moment, the user stops rotating, and then the user detects the hardness value of the Leeb by using a Leeb hardness meter in the corresponding measuring area, and the detection result does not need to carry out plate thickness correction.
As a second aspect of the present invention, a method for detecting the richter hardness detection accuracy of a thin member is proposed, taking an H-shaped steel material as an example, comprising the steps of:
s1, polishing the surface of the plate to be detected by a user according to the detection method requirement to expose the metal luster, wherein the flange measuring point corresponds to the web measuring area, and the measuring area is 30mm multiplied by 60 mm;
s2, polishing the back of the surface (H-shaped steel measuring area) of the detected plate, and ensuring the plate to be flat;
s3, mounting a flange top plate a4 and a flange top plate b5 on the side face of the H-shaped steel so that the flange top plate a and the flange top plate b5 respectively correspond to the back faces of upper and lower flange measuring areas of the H-shaped steel;
s4, shaking the flange propping handle 2 to enable the flange top plate a4 and the flange top plate b5 to be respectively propped and contacted with the upper flange and the lower flange of the H-shaped steel, and stopping rotating after a user hears a click sound;
s5, aligning the web top plate 6 with the back of the H-shaped steel web measuring area in parallel, shaking the web measuring area to tightly push the handle 3 until the click sound is heard, and stopping rotating;
and S6, verifying whether the flange top plate a4, the flange top plate b5 and the web top plate 6 are all in abutting contact with the flange and the web of the tested H-shaped steel component, and detecting the Richter hardness value in a corresponding testing area by using a Richter hardness tester after verifying that no errors exist.
Based on the technical conception, it needs to be explained that the top plate and the measured plate are tightly propped, so that the thickness of the plate is increased, and the rigidity of the plate is improved; on the other hand makes roof and plate contact, plays the effect that increases the plate restraint, further reduces the vibration of plate under the excitation, effectively reduces the vibration of plate under the excitation, improves the testing result reliability.
The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.
Claims (6)
1. The utility model provides an improve slim component richter's hardness detection precision's device which characterized in that: the method comprises the following steps:
the device comprises a main control assembly and a first jacking assembly, wherein a first direction and a second direction are defined on the main control assembly; wherein the content of the first and second substances,
the first jacking assembly comprises a flange top plate a and a flange top plate b which are respectively tightly attached to the upper flange and the lower flange of the target thin component so as to apply a relative tension to the upper flange and the lower flange of the target thin component, and the flange top plate a and the flange top plate b are respectively installed in a first direction relative to the main control assembly;
the main control assembly comprises a reduction gear machine and screws which are respectively movably connected with the reduction gear machine so as to enable the flange top plate a and the flange top plate b to do reciprocating motion, and the screws are installed in a second direction relative to the main control assembly;
the outer edge surface of the main control assembly is fixedly provided with a flange pressing handle which is movably connected with the reduction gear machine and used for manually controlling a screw rod to restrain the upper and lower flanges of a target thin component.
2. The apparatus for improving the detection accuracy of the hardness of a thin member in Richter scale according to claim 1, characterized in that: the device also comprises a second jacking component, wherein the second jacking component comprises
The web top plate is tightly attached to the web measuring area of the target thin component so as to apply a relative tightening force to the web measuring area of the target thin component, and the web top plate is installed in a first direction relative to the main control assembly;
a web plate measuring area tightly supporting handle fixedly arranged on the outer edge surface of the main control assembly;
the web top plate is movably connected with the web measuring area tightening handle and used for applying tightening force to the web top plate through rotation of the web measuring area tightening handle so as to increase the thickness of the target thin component web measuring area.
3. The apparatus for improving the detection accuracy of the hardness of a thin member in Richter scale according to claim 1, characterized in that: adjusting bolts are fixedly arranged at the connection parts of the screw rods and the flange top plate a and the flange top plate b respectively, so that the screw rods are switched between a rigid connection mode and a hinged connection mode at the connection parts of the screw rods and the flange top plate a and the flange top plate b respectively.
4. The device for improving the detection accuracy of the hardness of the thin component in Rich as claimed in claim 1, wherein: the main control assembly further comprises a torque control mechanism, wherein the torque control mechanism is respectively matched and connected with the flange jacking handle and the web measuring area jacking handle and is used for limiting the flange jacking handle and the web measuring area jacking handle by the maximum rotation angle.
5. The apparatus for improving the detection accuracy of the hardness of a thin member in Richter scale according to claim 1, characterized in that: the first direction and the second direction are perpendicular to each other, the first direction is a transverse direction relative to the main control assembly, and the second direction is a longitudinal direction relative to the main control assembly.
6. The apparatus for improving the detection accuracy of the hardness of a thin member in Richter scale according to claim 4, wherein: the torque control mechanism employs a BMOOM torque limiter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220348565.9U CN217006802U (en) | 2022-02-21 | 2022-02-21 | Device for improving detection precision of thin component in Richter hardness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220348565.9U CN217006802U (en) | 2022-02-21 | 2022-02-21 | Device for improving detection precision of thin component in Richter hardness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006802U true CN217006802U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220348565.9U Active CN217006802U (en) | 2022-02-21 | 2022-02-21 | Device for improving detection precision of thin component in Richter hardness |
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- 2022-02-21 CN CN202220348565.9U patent/CN217006802U/en active Active
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