CN114383490A - Shaft hole key groove symmetry and angle deviation detection device - Google Patents

Shaft hole key groove symmetry and angle deviation detection device Download PDF

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Publication number
CN114383490A
CN114383490A CN202210067726.1A CN202210067726A CN114383490A CN 114383490 A CN114383490 A CN 114383490A CN 202210067726 A CN202210067726 A CN 202210067726A CN 114383490 A CN114383490 A CN 114383490A
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Prior art keywords
detection
symmetry
detected
block
key groove
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CN202210067726.1A
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CN114383490B (en
Inventor
吴延广
张兴
郭太银
蒋涛涛
葛军
许金明
郑雯雯
蔡俊
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Bengbu Triumph Engineering and Technology Co Ltd
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Bengbu Triumph Engineering and Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B5/25Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention relates to the technical field of keyway error detection, and discloses a device for detecting symmetry and angle deviation of shaft hole keyways, which comprises: the positioning assembly is used for installing and positioning a part to be detected; the detection assembly is arranged separately from the positioning assembly and is used for installing a detection tool; the detection instrument detects the symmetry and the angular deviation of the keyway that awaits measuring of part that awaits measuring after detecting element and locating component cooperation installation, accessible locating component installs the part that awaits measuring after fixed, match the installation by detecting element and locating component, then install the detection instrument on detecting element and measure the symmetry and the angular deviation of the keyway that awaits measuring, can guarantee that every part that awaits measuring can both be fixed in the same position, then stabilize the efficient by detecting element and detect its keyway that awaits measuring, the artifical participation of abundant reduction, promote detection efficiency and precision.

Description

Shaft hole key groove symmetry and angle deviation detection device
Technical Field
The invention relates to the technical field of keyway error detection, in particular to a device for detecting symmetry and angle deviation of shaft hole keyways.
Background
The key is a connection mode with high precision and large bearing capacity, is often arranged on a driving shaft or a crank of mechanical equipment and is used for outputting torque for transmitting large load, and if the torque is too large or a plurality of positions are required to transmit the torque, the key can be realized by using double key grooves and multiple key grooves;
for example, a cross-over roller table is often used in the existing glass deep processing line, parallel rollers are used for conveying glass, a lifting belt line perpendicular to the rollers is used for conveying the glass in the vertical direction when needed, and a crank-connecting rod lifting mechanism is used for lifting the belt;
in order to ensure that the connecting rod mechanism can reliably lift and ensure that a belt line installed at the top is always in a horizontal state in the lifting process, the crank in the connecting rod mechanism needs to have higher dimensional accuracy, and the installation position degree of the crank needs to be consistent in height, which depends on the accuracy of a part to be measured and a key groove on the crank. Therefore, before assembly, the lifting mechanism needs to take all parts to be measured and the crank as parts to be measured and detect relevant parameters of the key slot to be measured.
However, in actual work, no matter the symmetry of the key slot to be detected or the angular deviation between the key slots to be detected, the manual detection adopts related detection tools to directly detect one by one, which wastes time and labor, and the manual detection inevitably generates detection errors due to human factors.
Disclosure of Invention
The invention aims to provide a device for detecting symmetry and angle deviation of shaft hole key grooves, which solves the following technical problems:
how to carry out high-efficient and accurate detection to the keyway that awaits measuring on the part that awaits measuring.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a shaft hole class keyway symmetry and angular deviation detection device, includes:
the positioning assembly is used for installing and positioning a part to be detected;
the detection assembly is arranged separately from the positioning assembly and is used for installing a detection tool;
the detection tool detects the symmetry and the angle deviation of the key groove to be detected of the part to be detected after the detection assembly and the positioning assembly are installed in a matched mode.
As a further scheme of the invention: the detection assembly comprises a lower pressing block; the detection tool comprises an angle measuring instrument;
the angle measuring instrument is fixed with the lower pressing block, and the lower pressing block is used for pressing and fixing the part to be measured on the positioning assembly.
As a further scheme of the invention: the detection assembly comprises a floating block connected with the lower pressing block in a sliding mode, and one end, far away from the lower pressing block, of the floating block is matched with the key groove to be detected in an inserting mode;
the detection tool comprises micrometer screws which are arranged on two sides of the floating block in pairs; and the detection end of the micrometer screw is respectively abutted against two opposite side surfaces of the floating block in the sliding direction.
As a further scheme of the invention: the detection assembly comprises a detection block which is spliced and matched with the key groove to be detected, and one side of the floating block, which is far away from the lower pressing block, is provided with a clamping groove matched with the detection block.
As a further scheme of the invention: the positioning assembly comprises a V-shaped table, and the part to be measured is installed on a V-shaped groove of the V-shaped table.
As a further scheme of the invention: and a boss matched with the notch of the V-shaped groove is fixed on one side of the lower pressing block, which is close to the V-shaped groove.
As a further scheme of the invention: the positioning assembly comprises an installation platform, and an installation sliding groove matched with the V-shaped platform is formed in the installation platform.
As a further scheme of the invention: the notch of the mounting chute is provided with an anti-falling stop block for preventing the V-shaped platform from falling off.
The invention has the beneficial effects that:
according to the invention, after the parts to be detected are installed and fixed through the positioning assembly, the detection assembly and the positioning assembly are installed in a matching manner, then the symmetry and the angle deviation of the key groove to be detected are measured by the detection tool installed on the detection assembly, so that each part to be detected can be fixed at the same position, then the detection assembly stably and efficiently detects the key groove to be detected, the manual participation is fully reduced, and the detection efficiency and precision are improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a prior art tool for detecting key slot symmetry;
FIG. 2 is a schematic diagram of an overall structure of a detection apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a side structure of a detection apparatus according to a second embodiment of the present invention;
fig. 4 is a schematic view of a part of the structure of the detection apparatus in the second embodiment of the present invention.
In the figure: 1. a positioning assembly; 11. a V-shaped table; 12. a V-shaped groove; 13. an installation table; 14. installing a chute; 15. an anti-falling stop block; 2. a detection component; 21. pressing the block; 22. a boss; 23. a slider; 24. a clamping groove; 25. a detection block; 31. an angle measuring instrument; 32. a micrometer screw; 4. a part to be tested; 5. a crank to be tested; 51. blind holes; 6. a key slot to be tested; 7. detecting the mandrel; 71. a mandrel groove; 8. a support frame; 81. and (6) positioning the pin shaft.
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.
As shown in fig. 1, for the checking fixture used for detecting the symmetry degree of the key groove in the prior art, when the checking fixture is used for the first time, the zero position of the dial indicator 3 needs to be calibrated: pressing a standard shaft N (only pressing by hand along the direction F) to be centrally positioned on the V-shaped positioning groove 12, inserting a dial indicator rod of the dial indicator 3 into a dial indicator insertion hole 13 of the gauge main body 1 after a flat key groove N-1 on the shaft is matched with the detection part 21, and keeping the detection head of the dial indicator 3 in abutting connection with the bottom surface of the sliding block 2; when the pointer on the dial indicator 3 points to the zero position, the locking screw 15 is screwed in to lock and fix the dial indicator 3, namely the dial indicator 3 realizes zero position calibration.
After the zero calibration of the dial indicator 3, the following steps can be carried out: the shaft N to be measured is pressed (by hand pressing along the direction F) to be centrally positioned on the V-shaped positioning groove 12, and after the flat key groove N-1 on the shaft to be measured is matched with the detection part 21, the slide block 2 is slid along the axial direction (namely, the front and back direction) of the shaft N. Because the flat key groove N-1 is matched and connected with the detection part 21, the detection part 21 can synchronously float along with the flat key groove N-1, and when the symmetry degree of the flat key groove N-1 deviates upwards or downwards, the sliding block 2 can synchronously float upwards and downwards and can be quantitatively displayed through a pointer on the dial indicator 3.
It can be seen that although the symmetry can be detected by the dial indicator 3, the angular deviation which is much in manual participation and cannot be synchronized is measured, and the efficiency and the measurement accuracy are low.
Referring to fig. 2, the present invention provides a device for detecting symmetry and angular deviation of a shaft-hole-like key slot, including:
the positioning component 1 is used for installing and positioning a part 4 to be detected;
the detection component 2 is arranged separately from the positioning component 1 and is used for installing a detection tool;
the detection tool detects the symmetry and the angle deviation of the key slot 6 to be detected of the part 4 to be detected after the detection component 2 and the positioning component 1 are installed in a matched mode.
Accessible locating component 1 installs fixed back to the part 4 that awaits measuring, matches the installation by determine module 2 and locating component 1, then the detection instrument of installing on determine module 2 measures the symmetry and the angular deviation of keyway 6 that awaits measuring, can guarantee that every part 4 that awaits measuring can both be fixed in the same position, then stabilize the efficient by determine module 2 and detect its keyway 6 that awaits measuring, the artifical participation of abundant reduction promotes detection efficiency and precision.
The detection assembly 2 comprises a lower pressing block 21; the detection means comprise an angle measuring instrument 31; the angle measuring instrument 31 is fixed with the lower pressing block 21, when the lower pressing block 21 presses and fixes the part 4 to be measured on the positioning assembly 1, the positioning of the positioning assembly 1 on the part 4 to be measured can be enhanced, and the angle deviation of the key groove 6 to be measured is determined through the angle measuring instrument 31, so that the angle deviation can be measured accurately.
The positioning assembly 1 comprises a V-shaped table 11, and the part 4 to be measured can be directly arranged on a V-shaped groove 12 of the V-shaped table 11; in order to increase the fixing effect of the lower pressing block 21 on the part 4 to be detected, a boss 22 matched with the notch of the V-shaped groove 12 is fixed on one side of the lower pressing block 21 close to the V-shaped groove 12; moreover, the positioning assembly 1 further comprises an installation platform 13, and an installation chute 14 matched with the V-shaped platform 11 is formed in the installation platform 13, so that the V-shaped platform 11 can slide and be adjusted on the installation platform 13 as required, and the use is convenient.
Further, a falling prevention stopper 15 for preventing the V-shaped table 11 from falling off may be provided at the notch of the installation chute 14, so as to improve the stability of the V-shaped table 11 during the sliding adjustment.
The detection assembly 2 comprises a floating block 23 connected with the lower pressing block 21 in a sliding mode, and one end, far away from the lower pressing block 21, of the floating block 23 is matched with the key slot 6 to be detected in an inserting mode; the detection means comprise micrometer screws 32 arranged in pairs on either side of the slider 23; the detection ends of the micrometer screws 32 are respectively abutted against the opposite side surfaces of the slider 23 in the sliding direction.
Therefore, when the lower pressing block 21 presses the part 4 to be measured downwards, one end of the floating block 23 close to the key slot 6 to be measured can be spliced and matched with the key slot 6 to be measured, and at the moment, the micrometer screws 32 on the two sides can be abutted against the floating block 23 to measure the symmetry; wherein, the micrometer screw 32 can select a micrometer or a micrometer according to the requirement of the detection precision.
Further, the detection assembly 2 may include a detection block 25 inserted and matched with the key slot 6 to be detected, and a clamping groove 24 matched with the detection block 25 is formed in one side of the floating block 23 away from the lower pressing block 21. Wherein, detect the block 25 for the structure that matches with the keyway 6 that awaits measuring that produces in advance, can be fine with the keyway 6 matching of pegging graft that awaits measuring, can change according to actual need moreover, convenient to use can change the use to the part 4 that awaits measuring of difference.
The specific use method of the invention comprises the following steps:
taking a transmission shaft with a plurality of shaft hole key grooves with the same specification as a part 4 to be detected, and taking a detection method thereof as an example; the part 4 to be measured can be placed and positioned on the V-shaped groove 12 of the V-shaped table 11, then the detection block 25 matched with the size of the key groove 6 to be measured is placed in the first key groove 6 to be measured, then the floating block 23 on the lower pressing block 21 is operated to clamp the detection block 25, then the display data of the angle measuring instrument 31 is set to zero after the micrometers on two sides are adjusted to be attached to two sides of the floating block 23, the readings D1 and D1 on the first micrometer and the second micrometer are recorded, at the moment, the symmetry deviation delta 1 of the first key groove 6 to be measured can be obtained as (D1-D1)/2, and the angle A1 of the first key groove 6 to be measured is acquiescent as 0 degree;
then, the detection block 25 can be placed in a second key groove 6 to be detected of the part 4 to be detected, the floating block 23 is operated to clamp the detection block 25, the micrometers on the two sides are adjusted to be attached to the two sides of the floating block 23, readings D2 and D2 on the first micrometer and the second micrometer are recorded, data A2 on the angle gauge are recorded, at the moment, the symmetry deviation delta 2 of the second key groove 6 to be detected is obtained as (D2-D2)/2, and the angle deviation A2 of the second key groove 6 to be detected relative to the first key groove is obtained;
and then, sequentially detecting the third key slot 6 and the fourth key slot 6 to be detected on the shaft according to the method to respectively obtain the symmetry deviation delta 3 and delta 4 of the third key slot 6 and the symmetry deviation delta 4 of the fourth key slot 6 to be detected and the angle deviation A3 and A4 of the third key slot and the fourth key slot. So, can enough carry out the detection of unified and high accuracy symmetry and angle to the key groove 6 that awaits measuring of the multiple department on the same root axis, promotion detection efficiency that again can be abundant.
Example two
On the basis of the first embodiment, as shown in fig. 3 and 4, the present invention further includes a positioning seat for positioning the crank 5 to be measured. The positioning seat comprises a support frame 8, a detection mandrel 7 matched with a key groove 6 to be detected on the crank 5 to be detected and a positioning pin shaft 81 matched with a blind hole 51 on the crank 5 to be detected;
the positioning pin shafts 81 are all fixed on the support frame 8; the detection mandrel 7 is provided with a mandrel groove 71 matched with the detection block 25.
With the arrangement, the symmetry and the angle of the key slot 6 to be detected on the crank 5 to be detected can be detected, and the crank 5 to be detected has a certain shape, so that the detection can be carried out after the crank 5 to be detected is fixed, and the detection mandrel 7 is adopted to assist in the detection of the key slot 6 to be detected;
the principle of detecting the symmetry and the angular deviation of the key slot 6 to be detected on the crank 5 to be detected is similar to the detection of the key slot 6 to be detected on the part 4 to be detected in the first embodiment, and the difference lies in that the crank 5 to be detected needs to be precisely positioned, and the method comprises the following steps:
firstly, the key slot 6 to be measured penetrates through the detection mandrel 7, then the crank 5 to be measured swings, the blind hole 51 on the crank 5 to be measured penetrates through the positioning pin 81 to be fixed, at the moment, the crank 5 to be measured is completely positioned, and the symmetrical plane (the plane penetrating through the central axes of the two holes) of the crank 5 to be measured is completely vertical.
Thereafter, the detection mandrel 7 is fixed according to the processing method for the part 4 to be measured in the embodiment, and the precision of the mandrel groove 71 on the detection mandrel 7 is detected by detection, so that the precision of the key groove 6 to be measured is measured.
The method comprises the following specific steps: operating the floating block 23 on the supporting table to clamp the detection measuring block, adjusting the micrometers on the two sides to be attached to the two sides of the floating block 23, recording readings T1 and T1 on the first micrometer and the second micrometer, and recording data J1 on the angle gauge, so that the symmetry deviation mu 1 of the key slot 6 to be detected at the position is (T1-T1)/2, and the angle deviation J1 of the key slot 6 to be detected at the position relative to the symmetrical surface of the crank 5 to be detected is obtained;
and then, other cranks to be detected 5 can be sequentially detected according to the same step method, and symmetry deviation and the like of mu 2, mu 3 and mu 4 of the second key grooves to be detected, the third key grooves to be detected and the fourth key grooves to be detected 6 and angle deviation J2, J3, J4 and the like of the second key grooves to be detected, the third key grooves to be detected and the fourth key grooves to be detected 6 are obtained, so that detection on the key grooves to be detected 6 of all the cranks to be detected 5 can be rapidly and accurately completed.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (8)

1. The utility model provides an axle hole class keyway symmetry and angular deviation detection device which characterized in that includes:
the positioning assembly (1) is used for installing and positioning a part to be detected (4);
the detection assembly (2) is arranged separately from the positioning assembly (1) and is used for installing a detection tool;
the detection tool is used for detecting the symmetry and the angle deviation of a key groove (6) to be detected of the part to be detected (4) after the detection component (2) and the positioning component (1) are installed in a matched mode.
2. The shaft hole type keyway symmetry and angle deviation detection device of claim 1, characterized in that, the detection assembly (2) comprises a hold-down block (21); the detection means comprise an angle measuring instrument (31);
the angle measuring instrument (31) is fixed with the lower pressing block (21), and the lower pressing block (21) is used for pressing and fixing the part (4) to be measured on the positioning assembly (1).
3. The device for detecting the symmetry degree and the angular deviation of the shaft hole key groove according to claim 2, wherein the detection assembly (2) comprises a floating block (23) connected with the lower pressing block (21) in a sliding mode, and one end, far away from the lower pressing block (21), of the floating block (23) is matched with the key groove (6) to be detected in an inserting mode;
the detection means comprise micrometric spirals (32) arranged in pairs on either side of the slider (23); the detection end of the micrometer screw (32) is respectively abutted against two opposite side surfaces of the floating block (23) in the sliding direction.
4. The shaft hole key groove symmetry and angle deviation detection device according to claim 3, wherein the detection assembly (2) comprises a detection block (25) in plug-in matching with the key groove (6) to be detected, and a clamping groove (24) matched with the detection block (25) is formed in one side, away from the lower pressing block (21), of the floating block (23).
5. The shaft hole key groove symmetry and angle deviation detection device according to claim 2, wherein the positioning assembly (1) comprises a V-shaped table (11), and the part to be detected (4) is mounted on a V-shaped groove (12) of the V-shaped table (11).
6. The shaft hole type key groove symmetry and angle deviation detection device according to claim 5, characterized in that a boss (22) matched with a notch of the V-shaped groove (12) is fixed on one side of the lower pressing block (21) close to the V-shaped groove (12).
7. The shaft hole type keyway symmetry and angle deviation detection device of claim 5, characterized in that, locating component (1) includes mount table (13), and the mount table (13) is equipped with installation chute (14) that matches with V type platform (11).
8. The shaft hole type key groove symmetry and angle deviation detecting device according to claim 7, wherein a notch of the mounting chute (14) is provided with a drop-preventing stopper (15) for preventing the V-shaped table (11) from dropping off.
CN202210067726.1A 2022-01-20 2022-01-20 Shaft hole key groove symmetry and angle deviation detection device Active CN114383490B (en)

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Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399966A (en) * 1977-02-12 1978-08-31 Mitsubishi Heavy Ind Ltd Measuring gauge of key grooves or the like
US4970799A (en) * 1990-04-23 1990-11-20 Dreier Corporation Device for measuring a shaft keyway and method of using
RU2164660C1 (en) * 1999-07-12 2001-03-27 Тверской государственный технический университет Device for measurement of shaft keyway parameters
RU2229098C1 (en) * 2002-11-28 2004-05-20 Тверской государственный технический университет Apparatus for measuring parameters of spline groove of shaft
CN104457522A (en) * 2014-11-28 2015-03-25 盛瑞传动股份有限公司 Method for measuring keyway symmetry degree of shaft part
RU154812U1 (en) * 2015-04-13 2015-09-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тверской государственный технический университет" SHAFT SYMMETRICITY CONTROL DEVICE FOR SHAFT
CN206989872U (en) * 2017-07-04 2018-02-09 重庆美心翼申机械股份有限公司 A kind of flat key groove symmetry degree gauge
CN207472181U (en) * 2017-11-06 2018-06-08 江麓机电集团有限公司 A kind of axis key grooves symmetry degree gauge
CN208012486U (en) * 2018-04-10 2018-10-26 常州机电职业技术学院 The position degree detection apparatus of automobile generator claw pole
CN209459577U (en) * 2019-04-12 2019-10-01 常州信息职业技术学院 A kind of key-groove symmetry tester of axis
CN212432024U (en) * 2020-04-26 2021-01-29 江苏博帝克精密机械有限公司 Precision part symmetry detection device
CN212620539U (en) * 2020-07-03 2021-02-26 重庆腾润电子设备有限公司 Keyway angle testing arrangement
CN213147688U (en) * 2020-11-03 2021-05-07 深圳市飞托克实业有限公司 Symmetry degree checking fixture for valve rod groove of valve ball
CN215217471U (en) * 2021-05-31 2021-12-17 刘香妤 Shaft type machine part flat key keyway symmetry detection device
CN215413678U (en) * 2021-06-08 2022-01-04 南京华实齿轮传动设备有限公司 Gear keyway angle measuring device
CN113929284A (en) * 2021-12-02 2022-01-14 蚌埠凯盛工程技术有限公司 Annealing kiln roll table accurate positioning roll changing device
CN215572642U (en) * 2021-05-31 2022-01-18 刘香妤 Convenient detecting instrument for symmetry degree of flat key and key groove in hole of mechanical part

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399966A (en) * 1977-02-12 1978-08-31 Mitsubishi Heavy Ind Ltd Measuring gauge of key grooves or the like
US4970799A (en) * 1990-04-23 1990-11-20 Dreier Corporation Device for measuring a shaft keyway and method of using
RU2164660C1 (en) * 1999-07-12 2001-03-27 Тверской государственный технический университет Device for measurement of shaft keyway parameters
RU2229098C1 (en) * 2002-11-28 2004-05-20 Тверской государственный технический университет Apparatus for measuring parameters of spline groove of shaft
CN104457522A (en) * 2014-11-28 2015-03-25 盛瑞传动股份有限公司 Method for measuring keyway symmetry degree of shaft part
RU154812U1 (en) * 2015-04-13 2015-09-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тверской государственный технический университет" SHAFT SYMMETRICITY CONTROL DEVICE FOR SHAFT
CN206989872U (en) * 2017-07-04 2018-02-09 重庆美心翼申机械股份有限公司 A kind of flat key groove symmetry degree gauge
CN207472181U (en) * 2017-11-06 2018-06-08 江麓机电集团有限公司 A kind of axis key grooves symmetry degree gauge
CN208012486U (en) * 2018-04-10 2018-10-26 常州机电职业技术学院 The position degree detection apparatus of automobile generator claw pole
CN209459577U (en) * 2019-04-12 2019-10-01 常州信息职业技术学院 A kind of key-groove symmetry tester of axis
CN212432024U (en) * 2020-04-26 2021-01-29 江苏博帝克精密机械有限公司 Precision part symmetry detection device
CN212620539U (en) * 2020-07-03 2021-02-26 重庆腾润电子设备有限公司 Keyway angle testing arrangement
CN213147688U (en) * 2020-11-03 2021-05-07 深圳市飞托克实业有限公司 Symmetry degree checking fixture for valve rod groove of valve ball
CN215217471U (en) * 2021-05-31 2021-12-17 刘香妤 Shaft type machine part flat key keyway symmetry detection device
CN215572642U (en) * 2021-05-31 2022-01-18 刘香妤 Convenient detecting instrument for symmetry degree of flat key and key groove in hole of mechanical part
CN215413678U (en) * 2021-06-08 2022-01-04 南京华实齿轮传动设备有限公司 Gear keyway angle measuring device
CN113929284A (en) * 2021-12-02 2022-01-14 蚌埠凯盛工程技术有限公司 Annealing kiln roll table accurate positioning roll changing device

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