CN112902793B - General type half shell air hole length gauge assembly - Google Patents
General type half shell air hole length gauge assembly Download PDFInfo
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- CN112902793B CN112902793B CN202110112035.4A CN202110112035A CN112902793B CN 112902793 B CN112902793 B CN 112902793B CN 202110112035 A CN202110112035 A CN 202110112035A CN 112902793 B CN112902793 B CN 112902793B
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- 238000001514 detection method Methods 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 11
- 210000000078 claw Anatomy 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- General Physics & Mathematics (AREA)
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Abstract
The invention relates to a detection tool, in particular to a universal detection tool assembly for the length of an air hole of a half shell. According to the invention, through designing the checking fixture, the degree of generalization is high, the detection process is not limited by places, and one set of universal checking fixture can cover a plurality of sets of special checking fixtures, so that the storage space of the on-site checking fixture is reduced, the detection cost and the manufacturing cost of the tool checking fixture are reduced, the high-quality product requirement of the industry is met, and the better development of enterprises is promoted.
Description
Technical Field
The invention relates to a detection tool, in particular to a detection tool assembly for the length of an air hole of a universal half shell.
Background
At present, the automobile axle is machined and manufactured by high efficiency and low cost, a high-efficiency practical checking fixture is an important way for improving the production efficiency, the reasonable universal checking fixture can greatly reduce the auxiliary time of the working procedure and the storage space of the checking fixture, and meanwhile, the universal checking fixture has the greatest characteristic of integrating the characteristics of single model and single checking characteristic in the past, thereby meeting the requirements of measurement of multiple varieties and multiple sizes and reducing the manufacturing cost of multiple special checking fixtures (molds). The product quality is guaranteed while the inspection precision is improved and the switching time of the inspection tool is prolonged.
For the air hole length inspection work of the axle housing half shell, the conventional air hole length inspection method is a measuring mode of adding a measuring tape to a platform, the inspection process is complicated, the efficiency is low, the inspection must be carried out at a specified position, the inspection work is limited by an inspection station, the detection and the confirmation can not be carried out at any time and any place, and the inspection is inaccurate because the air hole length indexes of the platforms are different (such as 200/220/240/260), the thickness of the half shell (such as 12/14/16), the size of a cavity and the like are different, the punched half shell has no inspection reference, certain difficulty is brought to the inspection work, and the detected numerical values are similar visual readings.
Even if the mode that special gas pocket length detected the mould was adopted to detect before, nevertheless because the unicity of design appearance, if examine the utensil location unadjustable, lead to one kind to examine utensil and can only detect half casing gas pocket size, and can not general between platform and the platform, the on-the-spot storage kind reaches twenty more kinds, examines the utensil commonality poor, and batch manufacturing cost is great, and occupies the place space, also has the risk of using by mistake when getting, and practical use is more restricted.
Disclosure of Invention
According to the defects of the prior art, the invention provides the universal type checking fixture assembly for the air hole length of the half shell, through designing the checking fixture, the universality degree is high, the detection process is not limited by places, and one set of universal checking fixture can cover a plurality of sets of special checking fixtures, so that the storage space of the on-site checking fixture is reduced, the detection cost and the manufacturing cost of the tool checking fixture are reduced, the requirements of industries on the high quality of products are met, and the better development of enterprises is promoted.
The invention relates to a general checking fixture assembly for the length of an air hole of a half shell, which is characterized in that: comprises a fixed part, a ruler beam and a measuring part;
the fixed part comprises a ruler shell, a left-handed screw, a right-handed screw, a screw connecting sleeve, a middle fixed seat, a floating clamping jaw, a fixed clamping jaw and a rotating handle; wherein, the ruler shell is a strip structure and is provided with a cavity which is communicated with the left and the right along the axial direction, the bottom of the ruler shell is provided with an installation opening communicated with the cavity along the axial direction, the middle part of the top of the ruler shell is respectively provided with a displacement opening communicated with the cavity along the axial direction between the middle part of the top of the ruler shell and the two ends of the top of the ruler shell, a middle fixed seat is arranged in the cavity below the middle part of the top of the ruler shell, the middle fixed seat is of a U-shaped structure and is fixedly connected with the ruler shell through bolts, a screw rod connecting sleeve is arranged at the U-shaped notch of the middle fixed seat and is of a dumbbell-shaped structure, the middle part of the screw rod connecting sleeve is sunken and clamped in the U-shaped notch of the middle fixed seat, the two ends of the screw rod connecting sleeve are respectively provided with screw rod matching cavities along the axial direction, through holes with inner threads are respectively communicated between the bottoms of the two ends of the screw rod connecting sleeve and the corresponding screw rod matching cavities, the inner tightening bolts are arranged at the through holes in a matched mode, a left-handed screw and a right-handed screw are arranged in cavities on two sides of the screw connecting sleeve respectively, the inner side ends of the left-handed screw and the right-handed screw are placed in adjacent screw matching cavities respectively and are in clearance fit, floating clamping jaws are in threaded connection with the left-handed screw and the right-handed screw respectively, the upper ends of the floating clamping jaws penetrate through displacement openings, fixed clamping jaws are fixedly arranged at two ends of the top of the ruler shell respectively, and a rotating handle positioned outside the cavity is fixedly connected with the outer side ends of the left-handed screw or the right-handed screw;
the ruler beam is used for connecting the fixing part and the measuring part, the ruler beam is of a right-angle structure and comprises a vertical beam and a cross beam, the bottom of the vertical beam is fixedly arranged in the middle of the top of the ruler shell, the cross beam and the ruler shell form an included angle of 90 degrees, one end of the cross beam is fixedly connected with the rear side of the top of the vertical beam, and the other end of the cross beam is fixedly connected with the measuring part;
the measuring part comprises a bottom plate, a graduated scale, a needle detection guide sleeve and a needle detection; the bottom plate is parallel to the ruler shell, the front side of the bottom plate is fixedly connected with the cross beam, ruler grooves are formed in the left side and the right side of the bottom plate along the top of the bottom plate in a penetrating mode, the graduated scale is located in the ruler grooves, the two ends of the graduated scale penetrate out of the ruler grooves, the graduated scale is in clearance fit with the front side and the rear side of the ruler grooves, through holes with internal threads are formed between the rear side of the bottom plate and the ruler grooves, tightening bolts A are installed in the through holes in a matched mode, the right end of the graduated scale is provided with a needle detection guide sleeve, and a needle of vertical motion is installed in the needle detection guide sleeve in a matched mode.
Furthermore, the fixing jaw comprises two metal plates which are arranged at intervals in front of and behind each other. The two metal plates are clamped on the lower end surface of the half shell from the front to the back.
Furthermore, a threaded hole penetrates through any metal plate in the fixing jaw along the front-back direction, and a tightening bolt B is installed at the threaded hole in a matched mode. And the bolt B is screwed down to lock the lower end faces of the half shells by the fixing clamping claws.
Furthermore, the top and the side of the middle fixed seat are fixedly connected with the ruler shell through countersunk bolts. Realize fixing the middle fixing base from two crossing directions, it is more firm to fix.
Furthermore, the left end and the right end of the cavity of the ruler shell are respectively in threaded connection with a positioning sleeve, the positioning sleeve is provided with a supporting cavity which is communicated left and right along the axial direction, and the outer ends of the left-handed screw rod and the right-handed screw rod are respectively in clearance fit with the adjacent supporting cavities. The position sleeve provides the end support for the left-handed screw and the right-handed screw, and the working accuracy is improved.
Furthermore, the top of the bottom plate positioned at the front side and the rear side of the ruler groove is respectively fixedly provided with a pressing plate through bolts, the two pressing plates have an interval in the front-rear direction, and the width of the interval is smaller than that of the ruler groove. The clamp plate has realized spacing to the scale vertical direction, prevents to deviate from.
Furthermore, any one of the pressing plates is marked with scale values along the left and right length directions. When the scale self takes the scale interval, can calculate the gas pocket length through the difference of displacement, when having the scale interval on the clamp plate, only need on the scale mark an index line can, can directly read out the reading.
Furthermore, two through holes with internal threads are communicated between the rear side of the bottom plate and the ruler groove, the two through holes are distributed at the left end and the right end of the rear side of the bottom plate, and a tightening bolt A is installed at each through hole in a matched mode. The fixed graduated scale is clamped through two tightening bolts A, and the stability of the device is guaranteed.
Furthermore, a metal gasket is arranged between the front side of the ruler groove and the graduated scale or between the rear side of the ruler groove and the graduated scale. The metal gasket plays a role in adjusting the gap between the graduated scale and the scale groove in the tightening process of the tightening bolt A.
When the screw rod connecting sleeve is used, the fixing part is calibrated in advance, the floating clamping jaws on the two sides are bilaterally symmetrical, and then the inner jacking bolt is fastened, so that the screw rod connecting sleeve, the left-handed screw rod and the right-handed screw rod are combined into a whole. When the checking fixture is used for checking, the lower end face of the half shell is clamped by the fixing clamping jaws from the front direction and the rear direction, the end face of the ruler shell is attached to the lower end face of the half shell, the rotary handle is rotated to drive the left-handed screw and the right-handed screw to rotate, so that the floating clamping jaws on two sides generate symmetrical displacement in opposite directions, when one side of the floating clamping jaw is tightly leaned against the inner arc of the half shell, centering and positioning are completed, at the moment, the bolt B is fastened and screwed, and the checking fixture is fixed with a workpiece to be checked. The needle point of the detection needle is aligned to the center of the air hole by adjusting the left and right positions of the graduated scale and the upper and lower lengths of the detection needle, and then the scale value is read by visual observation. The measurement error can be controlled to be +/-1 mm.
The invention has the beneficial effects that:
1) the gauge is good in universality, simple, convenient and quick in detection process and free from site limitation. The cost is lower, and the preparation is convenient, because examine utensil for general type, reduces and examines a storage space and maintain the maintenance cost.
2) The detection tool is adjustable in size and wide in detection size range, can meet the detection requirement of the length of the through hole drilled in all the half shells by only one set of tool detection tool, is convenient and accurate to detect, is low in labor intensity of workers, does not need to distinguish corresponding models by the workers during workshop replacement, reduces the error rate of the workers, and improves the detection efficiency.
3) The gauge is high in positioning precision, the perpendicularity between the detection needle and the reference plane of the half shell is good during detection, and detection and confirmation of the length dimension which is not directly marked are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a top view of FIG. 1 (with the needle removed);
FIG. 4 is an exploded view of the fixing portion;
FIG. 5 is an exploded and enlarged view of the measuring section;
FIG. 6 is a schematic view of the present invention in use;
in the figure: 1. the measuring tool comprises a measuring tool shell 2, a left-handed screw 3, a right-handed screw 4, a screw connecting sleeve 5, a middle fixed seat 6, a floating clamping jaw 7, a fixed clamping jaw 8, an installation opening 9, a displacement opening 10, a countersunk bolt 11, an inner jacking bolt 12, a rotating handle 13, a vertical beam 14, a cross beam 15, a bottom plate 16, a graduated scale 17, a needle detecting guide sleeve 18, a needle detecting 19, a measuring tool groove 20, a tightening bolt A21, a tightening bolt B22, a positioning sleeve 23, a pressure plate 24, a half shell 25 and a metal gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1 to 6, a general gauge assembly for measuring the air hole length of a half shell comprises a fixing part, a ruler beam and a measuring part;
the fixed part comprises a ruler shell 1, a left-handed screw 2, a right-handed screw 3, a screw connecting sleeve 4, a middle fixed seat 5, a floating clamping jaw 6, a fixed clamping jaw 7 and a rotating handle 12; the ruler shell 1 is of a long strip structure and is provided with a cavity which is communicated with the left and right along the axial direction, the bottom of the ruler shell 1 is provided with an installation port 8 communicated with the cavity along the axial direction, a displacement port 9 communicated with the cavity is respectively arranged between the middle part of the top of the ruler shell 1 and two ends of the top of the ruler shell 1 along the axial direction, and a middle fixing seat 5 is arranged in the cavity below the middle part of the top of the ruler shell 1. Middle fixing base 5 is U type structure, the top and the lateral part of middle fixing base 5 pass through countersunk head bolt 10 and chi shell 1 fixed connection, realize fixing middle fixing base 5 from two crossing directions, and it is more firm to fix. The U-shaped notch of the middle fixing seat 5 is provided with a screw connecting sleeve 4, the screw connecting sleeve 4 is of a dumbbell-shaped structure, the middle part of the screw connecting sleeve 4 is sunken and connected with the U-shaped notch of the middle fixing seat 5 in a clamped mode, two ends of the screw connecting sleeve 4 are respectively provided with screw matching cavities along the axial direction, through holes with internal threads are respectively communicated between the bottoms of the two ends of the screw connecting sleeve 4 and the corresponding screw matching cavities, inner tightening bolts 11 are arranged at the through holes in a matched mode, left-handed screws 2 and right-handed screws 3 are respectively arranged in the cavities at two sides of the screw connecting sleeve 4, the inner ends of the left-handed screws 2 and the right-handed screws 3 are respectively arranged in the adjacent screw matching cavities and are in clearance fit, floating clamping claws 6 are respectively in threaded connection on the left-handed screws 2 and the right-handed screws 3, and the upper ends of the floating clamping claws 6 penetrate through displacement ports 9, the two ends of the top of the ruler shell 1 are respectively and fixedly provided with a fixed jaw 7, the fixed jaw 7 comprises two metal plates which are arranged at intervals from front to back, and the two metal plates clamp the lower end face of the half shell 24 from the front to back direction. The outer end of the right-handed screw 3 is fixedly connected with a rotating handle 12 positioned outside the cavity;
the ruler beam is used for connecting the fixing part and the measuring part, is of a right-angle structure and comprises a vertical beam 13 and a cross beam 14, the bottom of the vertical beam 13 is fixedly arranged in the middle of the top of the ruler shell 1, the cross beam 14 and the ruler shell 1 form an included angle of 90 degrees, one end of the cross beam 14 is fixedly connected with the rear side of the top of the vertical beam 13, and the other end of the cross beam 14 is fixedly connected with the measuring part;
the measuring part comprises a bottom plate 15, a graduated scale 16, a needle detecting guide sleeve 17 and a needle detecting 18; the utility model discloses a take the structure of the ruler, including bottom plate 15, cross beam 14, scale groove 19, scale 16, scale groove 9, graduated scale 16, two through-holes that take internal thread are link up between bottom plate 15's rear side and the scale groove 19, and two through-holes distribute in both ends about the rear side of bottom plate 15, and the cooperation of every through-hole department is installed and is screwed up bolt A20, the left and right sides of bottom plate 15 has link up along bottom plate 15 top and has been seted up scale groove 19, graduated scale 16 is located scale groove 19 and the both ends of graduated scale 16 are worn out outside scale groove 9, both sides clearance fit around graduated scale 16 and scale groove 19, link up between the rear side of bottom plate 15 and the scale groove 19 has two through-holes of in-band screw thread, and two through-holes distribute in both ends about the rear side of bottom plate 15. The fixed scale is clamped by two tightening bolts A20, and the stability of the device is ensured. The right end of the graduated scale 16 is provided with a needle detection guide sleeve 17, and the needle detection guide sleeve 17 is provided with a vertically moving needle detection 18 in a matching manner.
Furthermore, a threaded hole is formed through the front metal plate of the fixing jaw 7 in the front-rear direction, and a tightening bolt B21 is fittingly mounted at the threaded hole. Tightening of the bolt B21 achieves locking of the fixing jaw 7 to the lower end face of the half shell 24.
Furthermore, the left end and the right end of the cavity of the ruler shell 1 are respectively in threaded connection with a positioning sleeve 22, the positioning sleeve 22 is provided with a supporting cavity which is communicated left and right along the axial direction, and the outer ends of the left-handed screw 2 and the right-handed screw 3 are respectively in clearance fit with the adjacent supporting cavities. The locating sleeve 22 provides end support for the left-handed screw 2 and the right-handed screw 3, and the working accuracy is improved.
Furthermore, the top of the bottom plate at the front and rear sides of the ruler groove 19 is respectively fixedly provided with a pressing plate 23 through bolts, the two pressing plates 23 have a gap in the front and rear direction, and the width of the gap is smaller than that of the ruler groove 19. The pressure plate 23 realizes the limit of the graduated scale 16 in the vertical direction and prevents the graduated scale from being separated. The front platen 23 is marked with scale values along the left-right longitudinal direction. When the pressure plate 23 has a scale value, only one indication line needs to be marked on the graduated scale 16, and the reading can be directly read.
Further, a metal spacer 25 is provided between the front side of the scale groove 19 and the scale 16. The metal washer 25 functions to adjust the gap between the scale 16 and the scale groove 19 during tightening of the bolt a 20.
When the screw rod connecting sleeve is used, the fixing part is calibrated in advance, the floating clamping claws 6 on the two sides are bilaterally symmetrical, and then the inner jacking bolt 11 is fastened, so that the screw rod connecting sleeve 4, the left-handed screw rod 2 and the right-handed screw rod 3 are combined into a whole. When the checking fixture is used for checking, the lower end face of the half shell 24 is clamped by the fixing clamping jaws 7 from the front and back direction, the end face of the ruler shell 1 is attached to the lower end face of the half shell 24, the rotary handle 12 is rotated to drive the left-handed screw 2 and the right-handed screw 3 to rotate, so that the floating clamping jaws 6 on the two sides generate symmetrical displacement in opposite directions, when one side of the floating clamping jaw 6 is tightly attached to the inner arc of the half shell 24, the centering and positioning are completed, at the moment, the bolt B21 is fastened and screwed, and the checking fixture and a workpiece to be checked are fixed. The scale 16 is adjusted to the left and right and the upper and lower length of the detection needle 18 is adjusted to make the needle point of the detection needle 18 aligned with the center of the air hole, and then the scale value is read by visual inspection. The measurement error can be controlled to be +/-1 mm.
The foregoing is a detailed description of the invention, and specific examples are used herein to explain the principles and implementations of the invention, the above description being merely intended to facilitate an understanding of the principles and core concepts of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a utensil assembly is examined to half shell air vent length of general type which characterized in that: comprises a fixed part, a ruler beam and a measuring part;
the fixed part comprises a ruler shell, a left-handed screw, a right-handed screw, a screw connecting sleeve, a middle fixed seat, a floating clamping jaw, a fixed clamping jaw and a rotating handle; wherein, the ruler shell is a strip structure and is provided with a cavity which is communicated with the left and the right along the axial direction, the bottom of the ruler shell is provided with an installation opening communicated with the cavity along the axial direction, the middle part of the top of the ruler shell is respectively provided with a displacement opening communicated with the cavity along the axial direction between the middle part of the top of the ruler shell and the two ends of the top of the ruler shell, a middle fixed seat is arranged in the cavity below the middle part of the top of the ruler shell, the middle fixed seat is of a U-shaped structure and is fixedly connected with the ruler shell through bolts, a screw rod connecting sleeve is arranged at the U-shaped notch of the middle fixed seat and is of a dumbbell-shaped structure, the middle part of the screw rod connecting sleeve is sunken and clamped in the U-shaped notch of the middle fixed seat, the two ends of the screw rod connecting sleeve are respectively provided with screw rod matching cavities along the axial direction, through holes with inner threads are respectively communicated between the bottoms of the two ends of the screw rod connecting sleeve and the corresponding screw rod matching cavities, the inner tightening bolts are arranged at the through holes in a matched mode, a left-handed screw and a right-handed screw are arranged in cavities on two sides of the screw connecting sleeve respectively, the inner side ends of the left-handed screw and the right-handed screw are placed in adjacent screw matching cavities respectively and are in clearance fit, floating clamping jaws are in threaded connection with the left-handed screw and the right-handed screw respectively, the upper ends of the floating clamping jaws penetrate through displacement openings, fixed clamping jaws are fixedly arranged at two ends of the top of the ruler shell respectively, and a rotating handle positioned outside the cavity is fixedly connected with the outer side ends of the left-handed screw or the right-handed screw;
the ruler beam is used for connecting the fixing part and the measuring part, the ruler beam is of a right-angle structure and comprises a vertical beam and a cross beam, the bottom of the vertical beam is fixedly arranged in the middle of the top of the ruler shell, the cross beam and the ruler shell form an included angle of 90 degrees, one end of the cross beam is fixedly connected with the rear side of the top of the vertical beam, and the other end of the cross beam is fixedly connected with the measuring part;
the measuring part comprises a bottom plate, a graduated scale, a needle detection guide sleeve and a needle detection; the bottom plate is parallel to the ruler shell, the front side of the bottom plate is fixedly connected with the cross beam, ruler grooves are formed in the left side and the right side of the bottom plate along the top of the bottom plate in a penetrating mode, the graduated scale is located in the ruler grooves, the two ends of the graduated scale penetrate out of the ruler grooves, the graduated scale is in clearance fit with the front side and the rear side of the ruler grooves, through holes with internal threads are formed between the rear side of the bottom plate and the ruler grooves, tightening bolts A are installed in the through holes in a matched mode, the right end of the graduated scale is provided with a needle detection guide sleeve, and a needle of vertical motion is installed in the needle detection guide sleeve in a matched mode.
2. The universal half shell vent length gauge assembly according to claim 1, wherein: the fixed jaw comprises two metal plates which are arranged at intervals in the front and back.
3. The universal gauge assembly for air hole length of half shells according to claim 2, wherein: any metal plate in the fixing clamping jaws is communicated with a threaded hole in the front-back direction, and a tightening bolt B is installed at the threaded hole in a matched mode.
4. The universal half shell vent length gauge assembly according to claim 1, wherein: the top and the side of the middle fixed seat are fixedly connected with the ruler shell through countersunk bolts.
5. The universal half shell vent length gauge assembly according to claim 1, wherein: the left end and the right end of the cavity of the ruler shell are respectively in threaded connection with a positioning sleeve, the positioning sleeve is axially provided with a left supporting cavity and a right supporting cavity which are communicated, and the outer ends of the left-handed screw rod and the right-handed screw rod are respectively in clearance fit with the adjacent supporting cavities.
6. The universal half shell vent length gauge assembly according to claim 1, wherein: the top of the bottom plate, which is positioned at the front side and the rear side of the ruler groove, is respectively fixedly provided with pressing plates through bolts, the two pressing plates have intervals in the front-rear direction, and the width of the interval is smaller than that of the ruler groove.
7. The universal gauge assembly for air hole length of half shells according to claim 6, wherein: any one of the pressing plates is marked with scale values along the left and right length directions.
8. The universal half shell vent length gauge assembly according to claim 1, wherein: two through holes with internal threads are communicated between the rear side of the bottom plate and the ruler groove, the two through holes are distributed at the left end and the right end of the rear side of the bottom plate, and a screwing bolt A is installed at each through hole in a matched mode.
9. The universal half shell vent length gauge assembly according to claim 1, wherein: and a metal gasket is arranged between the front side of the ruler groove and the graduated scale or between the rear side of the ruler groove and the graduated scale.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110112035.4A CN112902793B (en) | 2021-01-27 | 2021-01-27 | General type half shell air hole length gauge assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110112035.4A CN112902793B (en) | 2021-01-27 | 2021-01-27 | General type half shell air hole length gauge assembly |
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| CN112902793A CN112902793A (en) | 2021-06-04 |
| CN112902793B true CN112902793B (en) | 2022-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203454945U (en) * | 2013-08-16 | 2014-02-26 | 贵州天义汽车电器有限公司 | Measurement device for riveting structure |
| CN108356232A (en) * | 2018-04-28 | 2018-08-03 | 广西玉柴机器股份有限公司 | A kind of general lower core cubing |
| CN208921000U (en) * | 2018-10-29 | 2019-05-31 | 重庆优意恩科技有限公司 | A kind of cubing for automotive plastic parts |
| CN209857811U (en) * | 2019-05-28 | 2019-12-27 | 鞍钢建设集团有限公司 | Roller way installation detection tool |
| CN210833320U (en) * | 2019-09-24 | 2020-06-23 | 深圳市敏润电子科技有限公司 | Tool with detect printer part function |
| CN212219797U (en) * | 2019-12-30 | 2020-12-25 | 安徽安凯福田曙光车桥有限公司 | Axle housing with air filling and discharging holes |
| CN212253910U (en) * | 2020-06-22 | 2020-12-29 | 飞龙汽车部件股份有限公司 | Volute inner cavity space distance measuring device |
| CN214537640U (en) * | 2020-10-22 | 2021-10-29 | 衡阳华瑞电气有限公司 | A verifying attachment for current transformer contact plate |
| CN112361923B (en) * | 2020-11-04 | 2022-02-01 | 华北科技学院 | Measuring device for monitoring coal mine tunnel roof deviation |
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