CN217155226U - Quick detection instrument of shaped steel size - Google Patents
Quick detection instrument of shaped steel size Download PDFInfo
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- CN217155226U CN217155226U CN202221066997.7U CN202221066997U CN217155226U CN 217155226 U CN217155226 U CN 217155226U CN 202221066997 U CN202221066997 U CN 202221066997U CN 217155226 U CN217155226 U CN 217155226U
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Abstract
The utility model provides a shaped steel size short-term test instrument, belongs to measuring utensil technical field, this shaped steel size short-term test instrument, including both sides all being provided with the dipperstick of scale, the both sides of dipperstick sliding connection respectively have two sliders, every slider pass through locking screw with dipperstick locking links to each other, is provided with fixed gauge claw between two sliders of every side of dipperstick, the beneficial effects of the utility model are that, the utility model discloses overall structure is simple, and the flexible operation is convenient, and applicable in the size detection of the shaped steel of different grade type and specification, the commonality is strong, can realize the quick on-line inspection to shaped steel overall dimension, and reducible multiplexer utensil drops into, improves the production rhythm, reduces waiting material time and energy resource consumption.
Description
Technical Field
The utility model relates to a measure utensil technical field, especially relate to a shaped steel size short-term test instrument.
Background
The section steel comprises channel steel, angle steel, I-shaped steel, H-shaped steel and the like. After the rolling of the section steel is finished, the dimensions of the section steel are often checked to see if they meet tolerance standards. At present, three methods for detecting whether the dimension of rolled hot section steel meets the tolerance standard mainly include measuring the dimension after red detection sampling water cooling, detecting the outline dimension by an on-line contourgraph and detecting whether the dimension of a clamping plate before a rolled piece is put on a cooling bed meets the standard requirement. The red detection sampling measurement influences the yield and the rolling rhythm due to time consumption, and is mainly used when the size is adjusted after specifications and steel grades are changed; the contourgraph is expensive, so that the contourgraph is mainly used for on-line detection of plate strip products at present and is rarely used for size detection of section steel; the cardboard detects and does not have unified regulation at present, and each steel mill makes relevant cardboard by oneself according to self actual production condition and is used for the shaped steel inspection, and the error is great. Whether the straight size of the car meets the standard requirement needs to be checked after the car is straight, the checking of the clamping plates or the measuring tools is mainly adopted at present, and the problems that the types and the specifications of the clamping plates are various and are easy to be confused, the measuring time of the measuring tools is long and the like exist.
Because the shaped steel production line can produce multiple shaped steel product, produce the cardboard that the line need be equipped with different shaped steel product different specifications and the operation easily confuses. Therefore, how to adopt a single measuring tool to measure the overall dimension of the section steels with different types and specifications, thereby reducing the investment of tools and instruments, improving the production rhythm, reducing the waiting time and energy consumption, providing higher requirements for the rapid inspection of the dimension of the rolled section steel, and also becoming the problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a shaped steel size short-term test instrument, its simple structure, the flexible operation is convenient, applicable in the size detection of the shaped steel of different grade type and specification, and the commonality is strong, can realize the quick on-line inspection to shaped steel overall dimension, and reducible multiplexer utensil drops into, improves the production rhythm, reduces and waits to expect time and energy resource consumption.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: shaped steel size short-term test instrument all is provided with the dipperstick of scale including both sides, the both sides of dipperstick are sliding connection respectively has two sliders, every slider pass through locking screw with the dipperstick locking links to each other, be provided with fixed graduated flask between two sliders of dipperstick every side.
The two end surfaces of the fixed measuring jaw are perpendicular to the measuring scale, and the measuring scale on the two sides of the fixed measuring jaw is provided with scale marks respectively.
The surface of the sliding block close to the fixed measuring jaw is perpendicular to the measuring scale.
The middle part of dipperstick both sides is provided with two tip open-ended spouts along its length direction parallel arrangement respectively, the slider of dipperstick one side slides with the spout that corresponds and links to each other.
The cross-section of slider sets up to the U-shaped, the both sides of slider are provided with the joint stabilizer blade of inwards bending respectively, the joint stabilizer blade with spout sliding fit.
The slider is kept away from the surface mounting of dipperstick locking screw, locking screw with the side top of dipperstick is tight cooperation.
The both ends of dipperstick can be dismantled respectively and be connected with the shutoff piece, the shutoff piece links to each other through fastening screw fastening behind two spout joints.
The blocking block is arranged to be a U-shaped block, two clamping jaws are arranged on the inner side of the end of the blocking block along the width direction of the measuring scale, and the two clamping jaws are in clamping fit with the two sliding grooves on one side of the measuring scale.
And the outer side of the blocking block is provided with a fastening screw vertical to the blocking block, and two ends of the measuring scale are respectively provided with a threaded hole in threaded connection with the fastening screw.
The utility model has the advantages that:
1. the utility model discloses a both sides all have the dipperstick of scale, two fixed graduated cylinders on the dipperstick and four slider design into the detection instrument, through adjusting the distance between two sliders of dipperstick one side and the fixed graduated cylinder, can adjust corresponding required positive tolerance value of shaped steel length or width and the required positive tolerance value of thickness respectively, can adjust corresponding required negative tolerance value of shaped steel length or width and the required negative tolerance value of thickness respectively through two sliders of adjusting the dipperstick opposite side, whether the size that can detect corresponding shaped steel comprehensively through this detection instrument accords with the tolerance requirement, be applicable to the size detection of the shaped steel of different grade type and specification, therefore, the commonality is strong, the input of multiplexer utensil has been reduced, realized the quick on-line inspection to shaped steel overall dimension, the production rhythm is improved, the material waiting time and energy resource consumption have been reduced.
2. The utility model discloses a set up two spouts that are parallel to each other respectively in the middle part of dipperstick both sides, make the slider of dipperstick both sides slide in the corresponding spout respectively, guaranteed the stability of slider position control, guaranteed the reliability of size detection; and the both ends opening of spout wherein, can conveniently change the slider that damages or wearing and tearing, reduced cost of maintenance, install the landing that can avoid the slider at the both ends installation shutoff piece of spout after the change.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view taken along the line A-A of the present invention;
FIG. 3 is a sectional view taken along the line B-B of the present invention;
fig. 4 is a schematic diagram illustrating dimension marking of channel steel to be detected in embodiments 1 and 5 of the present invention;
fig. 5 is a schematic diagram illustrating dimension labeling of angle steels to be detected in embodiments 2 and 6 of the present invention;
fig. 6 is a schematic diagram illustrating dimension labeling of i-beams to be detected in embodiments 3 and 7 of the present invention;
FIG. 7 is a schematic diagram of the dimension marking of the H-shaped steel to be detected in the embodiments 4 and 8 of the present invention;
the labels in the above figures are: 1. the measuring scale, 11, the spout, 2, the slider, 21, joint stabilizer blade, 3, locking screw, 4, fixed measuring jaw, 5, the shutoff piece, 51, the jack catch, 6 fastening screw.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: a shaped steel size short-term test instrument as shown in figure 1, including both sides all be provided with scale dipperstick 1, there are two sliders 2 in dipperstick 1's both sides sliding connection respectively, and every slider 2 links to each other with dipperstick 1 locking through locking screw 3, is provided with fixed graduated flask 4 between two sliders 2 of dipperstick 1 every side. The utility model discloses fixed graduated flask 4 with dipperstick 1 both sides is the measuring basis, through adjusting the distance between two sliders 2 in dipperstick 1 one side and the fixed graduated flask 4, can adjust respectively corresponding required positive tolerance value of shaped steel length or width and the required positive tolerance value of thickness, can adjust respectively corresponding required burden tolerance value of shaped steel length or width and the required burden tolerance value of thickness through two sliders 2 of adjusting dipperstick 1 opposite side, whether the size that can comprehensively detect corresponding shaped steel accords with the tolerance requirement through this detection tool, the size detection of the shaped steel that is applicable to different grade type and specification, therefore, the commonality is strong, the input of multiplexer utensil has been reduced, the quick on-line inspection to shaped steel overall dimension has been realized, the production rhythm has been improved, waiting time and energy consumption have been reduced.
Specifically, wherein the both ends surface of fixed graduated flask 4 is mutually perpendicular with dipperstick 1, be provided with the scale sign on the dipperstick 1 of fixed graduated flask 4 both sides respectively, slider 2 is close to the surface of fixed graduated flask 4 and is mutually perpendicular with dipperstick 1, two sliders 2 that conveniently use the both ends surface of fixed graduated flask 4 to adjust dipperstick 1 and correspond the side make the distance between fixed graduated flask 4 and two sliders 2 be required positive tolerance value for the benchmark, make the distance precision of adjusting high, the reliability of detection has been improved.
Specifically, as shown in fig. 2, the middle parts of two sides of the measuring scale 1 are respectively provided with two sliding grooves 11 with end openings in parallel along the length direction, the sliding block 2 on one side of the measuring scale 1 is connected with the corresponding sliding grooves 11 in a sliding manner, specifically, the cross section of the sliding block 2 is set to be in a U shape, the two sides of the sliding block 2 are respectively provided with clamping support legs 21 which are bent inwards, the clamping support legs 21 are in sliding fit with the sliding grooves 11, the sliding stability of the sliding block 2 is ensured, and the reliability of size detection is ensured.
As shown in fig. 3, the two ends of the measuring scale 1 are detachably connected with the blocking blocks 5 respectively, the blocking blocks 5 are fastened and connected with the two sliding grooves 11 through fastening screws 6, the damaged or worn sliding blocks 2 can be replaced conveniently due to openings at the two ends of the sliding grooves 11, maintenance cost is reduced, and the sliding blocks 2 can be prevented from sliding down when the blocking blocks 5 are installed at the two ends of the sliding grooves 11 after replacement. Specifically, the blocking block 5 is a U-shaped block, two clamping jaws 51 are arranged on the inner side of the end of the blocking block 5 along the width direction of the measuring scale 1, the two clamping jaws 51 are in clamping fit with the two sliding grooves 11 on one side of the measuring scale 1, the fastening screws 6 perpendicular to the two clamping jaws are installed on the outer side of the blocking block 5, and threaded holes in threaded connection with the fastening screws 6 are respectively formed in the two ends of the measuring scale 1, so that the blocking block 5 can be firmly installed at the two ends of the sliding grooves 11, and the condition that the blocking slider 2 slides out of the measuring scale 1 is achieved.
In addition, the slide block 2 and the fixed measuring jaw 4 are quenched after being processed, the hardness is HS 50-HS 55, the parallelism of a parallel working face is less than or equal to 0.06mm, the verticality of a vertical working face is less than or equal to +/-20', and the roughness is less than or equal to 6.5, so that the precision of size adjustment is ensured, and the reliability of the size detection of the section steel is ensured.
The method for inspecting the section steels of different types and specifications is specifically described by the following examples. In order to make the expression clearer, a fixed measuring claw and a sliding block on the measuring ruler are respectively marked, wherein as shown in fig. 1, the fixed measuring claw on the upper side of the measuring ruler is marked as a fixed measuring claw I, the sliding block on the left side of the fixed measuring claw I is marked as a sliding block I, and the sliding block on the right side of the fixed measuring claw I is marked as a sliding block II; the fixed measuring claw mark of dipperstick downside is fixed measuring claw II, and the slider mark on the left side of fixed measuring claw II is slider III, and the slider mark on the right side of fixed measuring claw II is slider IV.
Example 1
As shown in fig. 4, taking the # 10 hot channel as an example, since the standard value of the waist thickness d is 5.3mm, the allowable deviation is ± 0.5mm, and the thermal expansion coefficient is 1.012, the actual positive tolerance value is (5.3+0.5) × 1.012 ═ 5.86mm, the actual negative tolerance value is (5.3-0.5) × 1.012 ═ 4.86mm, the length of the inspection section formed between the fixed measuring jaw i and the slide block i is adjusted to 5.86mm, and the length of the inspection section formed between the fixed measuring jaw ii and the slide block iii is adjusted to 4.86 mm. The standard value of the leg width b is 48mm, the allowable deviation is +/-2.0 mm, the thermal expansion coefficient is 1.012, therefore, the actual positive tolerance value is (48+2) × 1.012 is 50.6mm, the actual negative tolerance value is (48-2) × 1.012 is 46.55mm, the length of the inspection interval formed by the fixed measuring claw I and the sliding block II is adjusted to 50.6mm, and the length of the inspection interval formed by the fixed measuring claw II and the sliding block IV is adjusted to 46.55 mm. And after the adjustment is finished, the alignment detection is carried out on the corresponding part of the channel steel, and if the size of the corresponding part of the channel steel is smaller than the distance of the detection interval where the corresponding negative tolerance value is located, or the size of the corresponding part of the channel steel is larger than the distance of the detection interval where the corresponding positive tolerance value is located, the requirement of the dimensional tolerance cannot be met. The standard value of the height h is 100mm, the allowable deviation is +/-2.0 mm, the thermal expansion coefficient is 1.012, therefore, the actual positive tolerance value is (100+2) × 1.012 ═ 103.22mm, the actual negative tolerance value is (100-2) × 1.012 ═ 99.17mm, the length of the inspection interval formed by the fixed measuring claw I and the slide block II is adjusted to 103.22mm, the length of the inspection interval formed by the fixed measuring claw II and the slide block IV is adjusted to 99.17mm, the alignment detection is carried out again, and if the height dimension of the channel steel is smaller than the distance of the detection interval where the corresponding negative tolerance value is located, or the height dimension of the channel steel is larger than the distance of the detection interval where the corresponding positive tolerance value is located, the requirement of dimensional tolerance cannot be met.
Example 2
As shown in fig. 5, the standard value of the side thickness d is 10mm, the allowable deviation is ± 1.0mm, and the thermal expansion coefficient is 1.012, so the actual positive tolerance value is (10+1) × 1.012 ═ 11.13mm, the actual negative tolerance value is (10-1) × 1.012 ═ 9.11mm, the length of the inspection interval composed of the fixed measuring claw i and the slider i is adjusted to 11.13mm, and the length of the inspection interval composed of the fixed measuring claw ii and the slider iii is adjusted to 9.11 mm. The leg width b is normalized to 160mm, the allowable deviation is +/-2.5 mm, and the thermal expansion coefficient is 1.012, so that the actual positive tolerance value is (160+2.5) × 1.012 ═ 164.45mm, the actual negative tolerance value is (160-2.5) × 1.012 ═ 159.39mm, the length of the inspection interval formed by the fixed measuring claw I and the slide block II is adjusted to 164.45mm, and the inspection interval formed by the fixed measuring claw II and the slide block IV is adjusted to 159.39 mm. If the size of the corresponding part of the angle steel is smaller than the distance of the detection interval where the corresponding negative tolerance value is located, or the size of the corresponding part of the angle steel is larger than the distance of the detection interval where the corresponding positive tolerance value is located, the requirement of the size tolerance cannot be met.
Example 3
As shown in fig. 6, taking the 14# hot h-beam as an example, the standard value of the waist thickness d is 5.5mm, the allowable deviation is ± 0.5mm, and the thermal expansion coefficient is 1.009, so that the actual positive tolerance value is (5.5+0.5) × 1.009 ═ 6.05mm, the actual negative tolerance value is (5.5-0.5) × 1.009 ═ 5.05mm, the length of the inspection interval formed by the fixed measuring jaw i and the slide i is adjusted to 6.05mm, and the length of the inspection interval formed by the fixed measuring jaw ii and the slide iii is adjusted to 5.05 mm. The leg width b is normalized to 80mm, the permissible deviation is ± 2.0mm, the coefficient of thermal expansion is 1.009, so the actual positive tolerance value is (80+2) × 1.009 ═ 82.74mm, the actual negative tolerance value is (80-2) × 1.009 ═ 78.70mm, the length of the test interval formed by the fixed measuring jaw i and the slide ii is adjusted to 82.74mm, and the length of the test interval formed by the fixed measuring jaw ii and the slide iv is adjusted to 78.70 mm. And after the adjustment is finished, carrying out alignment detection on the adjusted corresponding position of the I-steel, and if the size of the corresponding position of the I-steel is smaller than the distance of the detection interval where the corresponding negative tolerance value is located, or the size of the corresponding position of the I-steel is larger than the distance of the detection interval where the corresponding positive tolerance value is located, the requirement of size tolerance cannot be met. The standard value of the height h is 160mm, the allowable deviation is +/-2.0 mm, the thermal expansion coefficient is 1.009, so the actual positive tolerance value is (160+2) × 1.009 ═ 163.46mm, the actual negative tolerance value is (160-2) × 1.009 ═ 159.42mm, the length of the inspection interval formed by the fixed measuring claw I and the slide block II is adjusted to 163.46mm, the length of the inspection interval formed by the fixed measuring claw II and the slide block IV is adjusted to 159.42mm, the alignment detection is carried out again, and if the height dimension of the I-steel is smaller than the distance of the detection interval where the corresponding negative tolerance value exists, or the height dimension of the I-steel is larger than the distance of the detection interval where the corresponding positive tolerance value exists, the requirement of dimensional tolerance cannot be met.
Example 4
As shown in fig. 7, taking H150 × 100 × 6 × 9 hot H-section steel as an example, the standard values of the web thickness t1 and the flange thickness t2 are 6mm and 9mm, respectively, the allowable deviation is ± 0.7mm and ± 1.0mm, and the thermal expansion coefficient is 1.009, so that the actual positive tolerance values are (6+0.7) × 1.009 mm and (9+1.0) × 1.009 mm and 10.09mm, the actual negative tolerance values are (6-0.7) × 1.009 × 5.35mm and (9-1.0) × 1.009 × 8.07mm, respectively, the test interval lengths of the fixed tab i and the slider i are adjusted to 6.76mm and 10.09mm, and the test interval lengths of the fixed tab ii and the slider iii are adjusted to 5.35mm and 8.07mm, respectively. The width B is normalized to 100mm, the permissible deviation is ± 2.5mm, and the thermal expansion coefficient is 1.009, so that the actual positive tolerance value is (100+2.5) × 1.009 ═ 103.42mm, the actual negative tolerance value is (100-2) × 1.009 ═ 98.88mm, the length of the inspection interval formed by the fixed measuring jaw i and the slide ii is adjusted to 103.42mm, and the length of the inspection interval formed by the fixed measuring jaw ii and the slide iv is adjusted to 98.88 mm. The standard value of the height H, 148mm, is allowed to deviate by ± 2.0mm, and the thermal expansion coefficient is 1.009, so that the actual positive tolerance value is (148+2) × 1.009 ═ 151.35mm, the actual negative tolerance value is (148-2) × 1.009 ═ 147.31mm, the length of the inspection interval formed by the fixed measuring jaw i and the slide ii is adjusted to 151.35mm, and the length of the inspection interval formed by the fixed measuring jaw ii and the slide iv is adjusted to 147.31 mm. And after the adjustment is finished, carrying out alignment detection on the H-shaped steel and the corresponding part of the H-shaped steel, wherein if the size of the corresponding part of the H-shaped steel is smaller than the distance of the detection interval where the corresponding negative tolerance value is located, or the size of the corresponding part of the H-shaped steel is larger than the distance of the detection interval where the corresponding positive tolerance value is located, the requirement of size tolerance cannot be met.
Example 5
As shown in fig. 4, taking a 12# straight rear channel as an example, since the standard value of the waist thickness d is 5.5mm and the allowable deviation is ± 0.5mm, the actual positive tolerance value is 5.5+0.5 to 6.0mm, the actual negative tolerance value is 5.5-0.5 to 5.0mm, the length of the inspection section composed of the fixed measuring jaw i and the slide block i is adjusted to 6.0mm, and the length of the inspection section composed of the fixed measuring jaw ii and the slide block iii is adjusted to 5.0 mm. The standard value of the leg width b is 53mm, and the allowable deviation is +/-2.0 mm, so that the actual positive tolerance value is 53+2 to 55.0mm, the actual negative tolerance value is 53-2 to 51.0mm, the length of the inspection interval consisting of the fixed measuring claw I and the slide block II is adjusted to 55.0mm, and the length of the inspection interval consisting of the fixed measuring claw II and the slide block IV is adjusted to 51.0 mm. The standard value of the height h is 120mm, and the allowable deviation is +/-2.0 mm, so that the actual positive tolerance value is 120+2 to 122.0mm, the actual negative tolerance value is 120-2 to 118.0mm, the length of the inspection interval formed by the fixed measuring claw I and the sliding block II is adjusted to 122.0mm, and the length of the inspection interval formed by the fixed measuring claw II and the sliding block IV is adjusted to 118.0 mm. And after the adjustment is finished, the alignment detection is carried out on the corresponding part of the channel steel, and if the size of the corresponding part of the channel steel is smaller than the distance of the detection interval where the corresponding negative tolerance value is located, or the size of the corresponding part of the channel steel is larger than the distance of the detection interval where the corresponding positive tolerance value is located, the requirement of the dimensional tolerance cannot be met.
Example 6
As shown in fig. 5, the angle steel after straightening is illustrated as ═ 18 × 12, the standard value of the side thickness d is 12mm, and the allowable deviation is ± 1.0mm, so that the actual positive tolerance value is 12+1 ═ 13.0mm, the actual negative tolerance value is 12-1 ═ 11.0mm, the length of the inspection interval composed of the fixed measuring jaw i and the slide block i is adjusted to 13.0mm, and the length of the inspection interval composed of the fixed measuring jaw ii and the slide block iii is adjusted to 11.0 mm. The standard value of the leg width b is 180mm, and the allowable deviation is +/-2.5 mm, so that the actual positive tolerance value is 180+ 2.5-182.5 mm, the actual negative tolerance value is 180-2.5-177.5 mm, the length of a test interval formed by the fixed measuring claw I and the slide block II is adjusted to 182.5mm, and the length of a test interval formed by the fixed measuring claw II and the slide block IV is adjusted to 177.5 mm. And after the adjustment is finished, carrying out alignment detection on the corresponding part of the angle steel, and if the size of the corresponding part of the angle steel is smaller than the distance between the detection intervals where the corresponding negative tolerance values exist, or the size of the corresponding part of the angle steel is larger than the distance between the detection intervals where the corresponding positive tolerance values exist, the requirement of dimensional tolerance cannot be met.
Example 7
As shown in fig. 6, the standard value of the waist thickness d is 6.0mm, and the allowable deviation is ± 0.5mm, so that the actual positive tolerance value is 6.0+0.5 mm to 6.5mm, the actual negative tolerance value is 6.0-0.5 mm to 5.5mm, the length of the inspection interval formed by the fixed measuring jaw i and the slide block i is adjusted to 6.5mm, and the length of the inspection interval formed by the fixed measuring jaw ii and the slide block iii is adjusted to 5.5 mm. The leg width b is 88mm in standard value, and the allowable deviation is +/-2.5 mm, so that the actual positive tolerance value is 88+ 2.5-90.5 mm, the actual negative tolerance value is 88-2.5-85.5 mm, the length of the inspection interval formed by the fixed measuring claw I and the slide block II is adjusted to be 90.5mm, and the length of the inspection interval formed by the fixed measuring claw II and the slide block IV is adjusted to be 85.5 mm. The standard value of the height h is 180mm, and the allowable deviation is +/-2.0 mm, so that the actual positive tolerance value is 180+2 to 182.0mm, the actual negative tolerance value is 180-2 to 178.0mm, the length of the inspection interval consisting of the fixed measuring claw I and the slide block II is adjusted to 182.0mm, and the length of the inspection interval consisting of the fixed measuring claw II and the slide block IV is adjusted to 178.0 mm. And after the adjustment is finished, carrying out alignment detection on the adjusted corresponding position of the I-steel, and if the size of the corresponding position of the I-steel is smaller than the distance of the detection interval where the corresponding negative tolerance value is located, or the size of the corresponding position of the I-steel is larger than the distance of the detection interval where the corresponding positive tolerance value is located, the requirement of size tolerance cannot be met.
Example 8
As shown in fig. 7, taking H500 × 200 × 10 × 16 straight H-section steel as an example, the standard values of the web thickness t1 and the flange thickness t2 are 10mm and 16mm, respectively, and the allowable deviation is ± 0.7mm and ± 1.5mm, so that the actual positive tolerance value is 10+0.7 mm and 16+1.5 mm and 17.5mm, respectively, the actual negative tolerance value is 10-0.7 mm and 9.3mm and 16-1.5 mm and 14.5mm, the test interval lengths of the fixed measuring claw i and the slider i are 10.7mm and 17.5mm, respectively, and the test interval lengths of the fixed measuring claw ii and the slider iii are 9.3mm and 14.5mm, respectively. The width B is 200mm as a standard value, and the allowable deviation is +/-3.0 mm, so that the actual positive tolerance value is 200+ 3.0-203.0 mm, the actual negative tolerance value is 200-3.0-197.0 mm, the length of the inspection interval consisting of the fixed measuring claw I and the slide block II is adjusted to 203.0mm, and the length of the inspection interval consisting of the fixed measuring claw II and the slide block IV is adjusted to 197.0 mm. The standard value of the height H is 500mm, and the allowable deviation is +/-4.0 mm, so that the actual positive tolerance value is 500+4.0 to 504.0mm, the actual negative tolerance value is 500-4.0 to 496.0mm, the length of a test section consisting of the fixed measuring claw I and the slide block II is adjusted to 504.0mm, and the length of a test section consisting of the fixed measuring claw II and the slide block IV is adjusted to 496.0 mm. And after the adjustment is finished, carrying out alignment detection on the H-shaped steel and the corresponding part of the H-shaped steel, wherein if the size of the corresponding part of the H-shaped steel is smaller than the distance of the detection interval where the corresponding negative tolerance value is located, or the size of the corresponding part of the H-shaped steel is larger than the distance of the detection interval where the corresponding positive tolerance value is located, the requirement of size tolerance cannot be met.
To sum up, the utility model has the advantages that the whole structure is simple, and the flexible operation is convenient, and applicable size detection in the shaped steel of different grade type and specification, the commonality is strong, can realize the quick on-line inspection to shaped steel overall dimension, and reducible multiplexer utensil drops into, improves production rhythm, reduces and waits to expect time and energy resource consumption.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (9)
1. The utility model provides a shaped steel size short-term test instrument, its characterized in that all is provided with the dipperstick of scale including both sides, the both sides of dipperstick are sliding connection respectively has two sliders, every slider pass through locking screw with dipperstick locking links to each other, be provided with fixed graduated flask between two sliders of dipperstick every side.
2. The tool for rapidly detecting the size of the section steel according to claim 1, wherein: the two end surfaces of the fixed measuring jaw are perpendicular to the measuring scale, and the measuring scale on the two sides of the fixed measuring jaw is provided with scale marks respectively.
3. The steel section size rapid detection tool according to claim 1, characterized in that: the surface of the sliding block close to the fixed measuring jaw is perpendicular to the measuring scale.
4. The tool for rapidly detecting the size of section steel according to any one of claims 1 to 3, wherein: the middle part of dipperstick both sides is provided with two tip open-ended spouts along its length direction parallel arrangement respectively, the slider of dipperstick one side slides with the spout that corresponds and links to each other.
5. The tool for rapidly detecting the size of the section steel according to claim 4, wherein: the cross-section of slider sets up to the U-shaped, the both sides of slider are provided with the joint stabilizer blade of inwards bending respectively, the joint stabilizer blade with spout sliding fit.
6. The tool for rapidly detecting the size of the section steel according to claim 4, wherein: the slider is kept away from the surface mounting of dipperstick locking screw, locking screw with the side top of dipperstick is tight cooperation.
7. The tool for rapidly detecting the size of the section steel according to claim 4, wherein: the both ends of dipperstick can be dismantled respectively and be connected with the shutoff piece, the shutoff piece links to each other through fastening screw fastening behind two spout joints.
8. The tool for rapidly detecting the size of section steel according to claim 7, wherein: the blocking block is arranged to be a U-shaped block, two clamping jaws are arranged on the inner side of the end of the blocking block along the width direction of the measuring scale, and the two clamping jaws are in clamping fit with the two sliding grooves on one side of the measuring scale.
9. The tool for rapidly detecting the size of section steel according to claim 7, wherein: and the outer side of the blocking block is provided with a fastening screw vertical to the blocking block, and two ends of the measuring scale are respectively provided with a threaded hole in threaded connection with the fastening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221066997.7U CN217155226U (en) | 2022-05-06 | 2022-05-06 | Quick detection instrument of shaped steel size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221066997.7U CN217155226U (en) | 2022-05-06 | 2022-05-06 | Quick detection instrument of shaped steel size |
Publications (1)
| Publication Number | Publication Date |
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| CN217155226U true CN217155226U (en) | 2022-08-09 |
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| CN115979100A (en) * | 2023-03-20 | 2023-04-18 | 山东安安门窗有限公司 | High-precision detection device for size of door and window glass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115979100A (en) * | 2023-03-20 | 2023-04-18 | 山东安安门窗有限公司 | High-precision detection device for size of door and window glass |
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