CN111336966A - Measuring device, measuring brace and manual measuring rod for shaft parts - Google Patents
Measuring device, measuring brace and manual measuring rod for shaft parts Download PDFInfo
- Publication number
- CN111336966A CN111336966A CN202010419109.4A CN202010419109A CN111336966A CN 111336966 A CN111336966 A CN 111336966A CN 202010419109 A CN202010419109 A CN 202010419109A CN 111336966 A CN111336966 A CN 111336966A
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- 238000005259 measurement Methods 0.000 claims abstract description 53
- 238000001514 detection method Methods 0.000 abstract description 2
- 241001422033 Thestylus Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000000694 effects Effects 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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application relates to the field of detection and measurement, and discloses a measuring device for detecting and measuring axle type parts and a measurement brace and a manual measuring rod thereof, wherein the measurement brace comprises: a base fixedly provided to the frame, provided with a support space extending in a lateral direction and opened toward the front and above; a plurality of supporting members disposed at the bottom of the supporting space and having a supporting surface; at least one manual measuring bar positioning structure, which is positioned above the supporting space on the base; and at least one measuring position for allowing the manual measuring rod to access the shaft part to be measured, wherein the base is provided with an opening structure leading to the supporting space from the upper part at each measuring position. According to the technical scheme of this application, measure brace and include manual measuring staff location structure, combine manual measuring device, can realize manual measurement, provide a cost lower relatively and satisfy the measurement scheme of measurement accuracy and efficiency.
Description
Technical Field
The application relates to the field of detection and measurement, in particular to a measuring device for detecting and measuring shaft parts, a measuring brace and a manual measuring rod of the measuring device.
Background
The measurement of shaft parts is widely applied in industrial production, for example, the measurement of the radial difference between a camshaft journal and a cam base circle has various measuring devices with higher automation degree at present. For such devices, not only power equipment such as air cylinders, motors, hydraulic cylinders, etc. need to be arranged, but also more sensors need to be arranged, thus resulting in higher cost.
Even for large-scale manufacturers, the expensive automatic measuring equipment cannot be purchased in large quantities, which would lead to a sharp increase in the overall cost. Furthermore, in some cases, it is not necessary to arrange relatively expensive automated measuring devices, for example in the reinspection phase. For small and medium manufacturers, an alternative measurement scheme with relatively low cost is also desirable if measurement accuracy and efficiency can be met.
Therefore, how to provide a measurement scheme with relatively low cost and satisfying measurement accuracy and efficiency becomes a technical problem to be solved in the field.
Disclosure of Invention
In view of this, the present application provides a measuring device for detecting and measuring shaft parts, a measuring brace and a manual measuring rod thereof, so as to achieve measurement accuracy and efficiency of measuring shaft parts at relatively low cost.
According to the application, a measurement brace for an axle type part is provided, the measurement brace comprising: a base fixedly provided to the frame, provided with a support space extending in a lateral direction and opened toward the front and above; a plurality of supporting members disposed at the bottom of the supporting space and having a supporting surface; at least one manual measuring bar positioning structure, which is positioned above the supporting space on the base; and at least one measuring position for allowing a manual measuring rod to access the shaft part to be measured, wherein the base is provided with an opening structure leading to the supporting space from the upper part at each measuring position.
Preferably, the measuring rod positioning structure comprises: a top surface disposed at each opening structure; or on the front surface of each opening structure; or on the top and front surfaces of each opening structure; or a stepped structure disposed at a top surface or a front surface of each opening structure.
Preferably, the measuring support further comprises an auxiliary positioning member mounted to the base within the open structure and having a top surface for positionally supporting a bottom surface of the manual measuring rod, the auxiliary positioning member being provided with a sensor for measuring a journal of the shaft part to be measured.
Preferably, the support surfaces of the plurality of support members are not horizontally arranged, but gradually rise obliquely toward the front.
Preferably, the base is further provided with an axial positioning structure matched with the shaft part to be detected in the supporting space; or the base is also provided with a radial positioning structure matched with the shaft part to be detected in the supporting space; or the base is arranged in the supporting space and is also provided with an axial positioning structure and a radial positioning structure which are matched with the shaft part to be measured.
Preferably, the axial positioning structure comprises a positioning groove which is located between two adjacent supporting pieces and used for matching with a positioning flange on the shaft part to be measured.
According to this application, still provide a manual gage rod for axle type part, this manual gage rod includes: a frame having a measurement brace positioning structure; at least one measuring rod mounted to the frame in a vertical direction and having a measuring head projecting downward; and the handle is arranged on the top surface of the frame and is provided with a data processing unit connected with the measuring rod.
Preferably, the frame is integrally formed in a rectangular parallelepiped or square shape, and a step positioning structure as a measurement brace positioning structure is formed on a rear side surface of the frame.
According to the application, a measuring device for shaft parts is also proposed, which comprises: any one of the measurement supports for shaft parts as described above; and a manual measuring bar for shaft parts as described in any one of the above, wherein: after the shaft parts to be measured are arranged in the supporting space of the measuring support, the measuring support positioning structure of the manual measuring rod and the manual measuring rod positioning structure of the measuring support are matched and positioned with each other, and the shaft parts to be measured are measured by utilizing at least one measuring rod.
Preferably, the shaft part to be measured is a camshaft, and the measuring device is used for measuring the radial difference between the journal of the camshaft and the cam base circle.
According to the technical scheme of the application, the measuring support is used for positioning the shaft part to be measured in the supporting space, and the journal of the shaft part to be measured can be measured through the auxiliary positioning piece provided with the sensor; the manual measuring rod can be matched with the manual measuring rod positioning structure of the measuring support to be positioned through the manual measuring rod positioning structure, and the cam base circle of the shaft part to be measured is measured through the measuring rod extending into the supporting space. Through the mode that above-mentioned manual measuring staff cooperation was measured the brace, form a manual measuring device that can be used for axle type part, be particularly useful for the measurement of the radial difference between camshaft axle journal and the cam base circle, realized satisfying axle type part measuring measurement's measurement accuracy and efficiency under the relatively lower condition of cost.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate an embodiment of the invention and, together with the description, serve to explain the invention. In the drawings:
fig. 1 is a perspective view of a measuring device for shaft parts according to a preferred embodiment of the present application in a use state;
fig. 2 and 3 are enlarged partial views of the measuring device for shaft parts shown in fig. 1;
FIGS. 4 and 5 are perspective views of a manual measuring rod for shaft parts according to a preferred embodiment of the present application;
fig. 6 is a cross-sectional view from the front perspective of the manual measuring bar for shaft parts shown in fig. 4.
Detailed Description
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Traditionally, the measurement of shaft parts generally includes automated measurement and manual measurement. The automatic measuring device has higher measuring efficiency, but has higher cost, and the cost performance is not high for medium and small-sized manufacturers with not very large measuring requirements; in the prior art, manual measurement on shaft parts can only be realized through human eye calibration, and the conventional tools are used for measuring all positions of the shaft parts one by one, so that the efficiency is low and the measurement precision cannot be guaranteed.
According to the technical scheme of this application, above-mentioned measurement brace is used for locating the axle type part that awaits measuring in support space 11, then cooperates manual measuring staff location structure 13 through manual measuring staff, makes corresponding manual measuring staff can mutually cooperate the location and measure with measuring the brace. Through the mode that above-mentioned manual measuring staff cooperates the measurement brace, form a manual measuring device that can be used for axle type part, realized satisfying axle type part measuring measurement accuracy and efficiency under the relatively lower condition of cost.
First, measure brace
As shown in fig. 1, the present application provides a measurement brace for a shaft part, comprising: a base 10, the base 10 being fixedly installed on the frame, and having a support space 11 extending in a lateral direction X and opened toward a front Y and an upper Z; a plurality of supporting members 12, the supporting members 12 being disposed at the bottom of the supporting space 11 and having a supporting surface 121; and at least one manual measuring staff positioning structure 13, wherein the measuring staff positioning structure 13 is positioned above the supporting space 11 on the base 10. The supporting space 11 is used for placing a shaft part (such as a camshaft) to be measured. The supporting pieces 12 support the shaft parts to be measured, the supporting pieces 12 are arranged at the bottom of the supporting space 11, and the supporting surface 121 of the supporting piece 12 is used for bearing the shaft parts to be measured in the measuring process. The support surface 121 may be a sloped surface, a concave surface, a flat surface, or be provided with a positioning groove. Preferably, the support surfaces 121 of the plurality of supports 12 are not horizontally arranged, but gradually rise obliquely toward the front Y. The support 12 is preferably detachable or movable, and can be adapted to shaft parts to be measured in different sizes by replacing different support 12 or adjusting the position of the support 12. The measuring rod positioning structure 13 located above the supporting space 11 is used for supporting and positioning the measuring rod in the measuring process so as to be capable of quickly positioning the measuring position of the measuring rod and providing an environment for stable measurement of the measuring rod, thereby improving the repeated positioning accuracy of the measuring rod and improving the measuring efficiency.
In order to carry out sufficient measurements on the shaft parts to be measured, as shown in fig. 1, the measuring brace comprises at least one measuring position for allowing a manual measuring stick to access the shaft parts to be measured, and the base 10 is provided with an opening structure 14 leading to the supporting space 11 from above at each measuring position. The opening structure 14 is used for enabling a sensor or a probe of the corresponding measuring rod to sense or contact the shaft part to be measured. Under the optimal condition, the number of the measuring positions is multiple, and the measuring positions are uniformly distributed in the supporting space 11, so that the shaft parts to be measured in the supporting space 11 can be fully measured without adjusting the positions of the shaft parts to be measured.
As shown in fig. 1, the stylus positioning structure 13 may comprise a top surface 141 arranged at each opening structure 14, the top surface 141 being used for supporting the stylus in the upper Z-direction, positioning the height of the stylus in the measuring state. The positioning structure 13 may further comprise a front surface 142 arranged at each opening structure 14, which front surface 142 is able to cooperate with a structure, such as a step surface, of the measuring staff for positioning the measuring staff in the front Y-direction. Or preferably, the positioning structure 13 may comprise a top surface 141 and a front surface 142 arranged at each opening structure 14, by which the height position of the measuring staff in the upper Z direction and the horizontal position in the front Y direction can be precisely defined in cooperation with the positioning of the measuring staff by the top surface 141 and the front surface 142 of the opening structure 14. Further, the positioning structure 13 may include a step structure disposed on the top surface 141 or the front surface 142 of each opening structure 14. The accuracy of positioning the measuring rod at the measuring position is further improved by matching the step structure with the corresponding structure of the measuring rod.
According to the measuring support for shaft parts as described above, as shown in fig. 2, the measuring support may further include an auxiliary positioning member 15, the auxiliary positioning member 15 is mounted to the base 10 in the opening structure 14 and has a positioning surface 151 for positionally supporting the bottom surface 26 (shown in fig. 5) of the manual measuring rod. Furthermore, the auxiliary positioning element 15 is preferably provided with a sensor, which can be used to detect whether the shaft part to be measured is placed in place in the supporting space 11 or to measure the journal of the shaft part to be measured.
As shown in fig. 1 and fig. 2, in order to keep the shaft-like part to be measured in position during the measurement, the base 10 may also be provided with an axial positioning structure in the supporting space 11, for example, a stop or a clamping member that can be adjusted in position and is located on both sides of the supporting space 11 in the axial direction. Preferably, the axial positioning structure includes a positioning groove 16 located between two adjacent supporting members 12 and configured to cooperate with a positioning flange 27 on the shaft-like part to be tested, and the axial position of the shaft-like part to be tested in the supporting space 11 can be effectively maintained through the cooperation of the positioning groove 16 to the positioning flange 27. Two adjacent supporting members 12 are preferably provided with opposite slopes in the forward Y direction so that the positioning slot 16 has a wider opening for easy handling when placing the part to be tested. Or the base 10 may further be provided with a radial positioning structure 30 in the supporting space 11, where the radial positioning structure 30 is a V-shaped groove or a movable stop member, and preferably, the radial positioning structure 30 is two stop members detachably mounted in the supporting space 11, and the two stop members may be sleeved on the shaft component to be measured and fixed to the measurement support in the supporting space 11 through pins or screws, so as to radially position the shaft component to be measured. Or the two positioning structures are used in combination, that is, the base 10 is provided with the axial positioning structure and the radial positioning structure 30 matched with the shaft part to be detected in the supporting space 11, so that the axial and radial reliable positioning effects on the shaft part to be detected are achieved.
Two, manual measuring rod
As shown in fig. 4, 5 and 6, according to another aspect of the present application, there is provided a manual measuring bar for shaft parts, which can be used with the above-mentioned measuring brace, the manual measuring bar comprising: a frame 20, the frame 20 having a measurement brace positioning structure 21; at least one measuring rod 22, which at least one measuring rod 22 is mounted to the frame 20 in the vertical direction and has a measuring head 23 projecting downwards; and a handle 24, the handle 24 being provided on the top surface of the frame 20 and provided with a data processing unit connected to the measuring stick 22. The positioning structure 21 is a plane, arc or step structure which can be matched with the structure of the measuring position of the measuring brace, and is used for being matched with the measuring rod positioning structure 13 of the measuring brace to realize rapid positioning. The measuring rod 22 may comprise a photoelectric or magneto-sensitive sensor, preferably a pen sensor, for sensing the surface of the shaft part to be measured and acquiring corresponding measurement parameters. The measuring head 23 may be a sensor as described above, or a probe, the measuring rod 22 being mounted in a vertical direction with the frame 20. The handle 24 is used for the measuring staff to manually operate the measuring stick to execute the measuring task, and the data processing unit can be directly arranged on the handle 24 and used for displaying the measuring parameters in real time, or can collect the data line of the measuring stick 22 to the end part of the handle 24 and be connected to the data processing unit of other terminal equipment through a wire or a wireless mode.
According to the above manual spindle for shaft parts, preferably, as shown in fig. 5, the frame 20 is formed in a rectangular parallelepiped or square shape as a whole, and the rear side surface of the frame 20 is formed with a step positioning structure 25 as the measurement brace positioning structure 21. It will be appreciated that the rear side is the side of the hand stick which, in the engaged condition with the measurement brace, faces in the opposite direction to the front Y, as shown in figure 1. The measuring brace positioning structure 21 is used for matching with the measuring rod positioning structure 13 of the measuring brace to realize the positioning of the manual measuring rod and the measuring brace. The step positioning structure 25 and the opening structure 14 of the measuring support can be in clearance fit, so that the reliability of the measuring support and the manual measuring rod in matching use is further improved.
Measuring device
On the basis of the above-mentioned manual measuring staff and the cooperation use of measurement brace, this application provides a measuring device for axle type part, and this measuring device includes the measurement brace that is used for axle type part in any above-mentioned embodiment, and the manual measuring staff in any above-mentioned embodiment. As shown in fig. 1, after the shaft part to be measured is arranged in the supporting space 11 of the measuring brace, the measuring brace positioning structure 21 of the manual measuring rod and the manual measuring rod positioning structure 13 of the measuring brace are matched with each other for positioning, and the shaft part to be measured is measured by using at least one measuring rod 22, so that the measuring device which has relatively low cost and meets the requirements of measuring precision and efficiency of the shaft part to be measured is realized. Preferably, when the shaft part to be measured is a camshaft, the measuring device can measure parameters of a journal and a cam base circle of the camshaft respectively through the measuring support and the manual measuring rod, so that the radial difference between the journal and the cam base circle of the camshaft can be accurately measured at relatively low cost.
According to the preferred embodiment of the application, the measuring device for the shaft parts can further comprise a standard part, before formal measurement, standard parameters are obtained through measurement of the standard part, and when a plurality of shaft parts to be measured are measured, qualified parts can be screened out through comparison between measured values and the standard parameters. In the measuring process, firstly, a shaft part to be measured is arranged in a supporting space 11 of a measuring support, and the bearing and the axial and radial fixing of the part are realized through a plurality of supporting pieces 12 and a radial positioning structure 30 of the measuring support; after the shaft parts to be measured are positioned, the manual measuring rod is manually operated, the measurement support positioning structure 21 of the manual measuring rod and the manual measuring rod positioning structure 13 of the measurement support are matched with each other for positioning, the manual measuring rod is arranged on the corresponding opening structure 14, and after the manual measuring rod is determined to enter the measurement position through the auxiliary positioning part 15, the corresponding measurement value is read through the measuring rod 22. And the measurement operation of the manual measuring rod is repeated at each measurement position, so that the shaft part to be measured can be rapidly measured. Compare in traditional measuring device that is used for axle type part, the technical scheme of this application has both saved automatic measuring high-priced cost, has satisfied the requirement of measurement accuracy and efficiency again.
The preferred embodiments of the present application have been described in detail above, but the present application is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications all belong to the protection scope of the present application.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in the present application.
In addition, any combination of the various embodiments of the present application is also possible, and the same should be considered as disclosed in the present application as long as it does not depart from the idea of the present application.
Claims (10)
1. A measure brace for axle type part, its characterized in that, this measure brace includes:
a base (10), wherein the base (10) is fixedly arranged on the frame and is provided with a supporting space (11) which extends along the transverse direction and is opened towards the front and the upper part;
a plurality of supporting members (12), the supporting members (12) being disposed at the bottom of the supporting space (11) and having a supporting surface (121);
at least one manual measuring bar positioning structure (13), the measuring bar positioning structure (13) is positioned above the supporting space (11) on the base (10); and
at least one measuring position for allowing a manual measuring staff to access the shaft part to be measured, the base (10) being provided with an opening structure (14) leading from above to the support space (11) in each measuring position.
2. The measurement brace for shaft parts according to claim 1, characterized in that the measuring bar positioning structure (13) comprises:
a top surface (141) arranged at each opening structure (14); or
A front surface (142) arranged at each opening structure (14); or
A top surface (141) and a front surface (142) arranged at each opening structure (14); or
A step structure disposed on a top surface (141) or a front surface (142) of each opening structure (14).
3. Measuring support for shaft parts according to claim 2, characterized in that it further comprises an auxiliary positioning element (15), which auxiliary positioning element (15) is mounted to the base (10) in the opening arrangement (14) and has a positioning face (151) for positionally supporting the bottom surface (26) of the manual measuring rod, which auxiliary positioning element (15) is provided with a sensor for measuring the journal of the shaft part to be measured.
4. Measuring brace for shaft parts according to claim 1, characterized in that the support surfaces (121) of the supports (12) are not arranged horizontally, but rise obliquely towards the front.
5. The measurement brace for shaft parts according to claim 1, wherein the base (10) is further provided with an axial positioning structure in the supporting space (11) for matching with the shaft part to be measured; or
The base (10) is also provided with a radial positioning structure (30) matched with the shaft part to be measured in the supporting space (11); or
The base (10) is in the supporting space (11) is also provided with an axial positioning structure and a radial positioning structure (30) which are matched with the shaft part to be measured.
6. Measuring brace for shaft parts according to claim 5, characterized in that the axial positioning structure comprises positioning grooves (16) between two adjacent supports (12) for cooperating with positioning flanges (27) on the shaft part to be measured.
7. A manual measuring staff for axle type part, its characterized in that, this manual measuring staff includes:
a frame (20), the frame (20) having a measurement brace positioning structure (21);
at least one measuring rod (22), which at least one measuring rod (22) is mounted in the vertical direction to the frame (20) and has a measuring head (23) projecting downwards; and
a handle (24), the handle (24) being arranged on the top surface of the frame (20) and being provided with a data processing unit connected to the measuring rod (22).
8. Manual spindle for shaft parts according to claim 7, characterized in that the frame (20) is formed in its entirety as a cuboid or square, the rear side of the frame (20) being formed with a step positioning structure (25) as a measuring brace positioning structure (21).
9. Measuring device for shaft parts, characterized in that it comprises:
a measuring brace for shaft parts according to any one of claims 1 to 6; and
a hand-operated measuring staff for shaft parts according to claim 7 or 8 wherein:
after the shaft parts to be measured are arranged in the supporting space (11) of the measuring support, the measuring support positioning structure (21) of the manual measuring rod and the manual measuring rod positioning structure (13) of the measuring support are matched with each other for positioning, and the shaft parts to be measured are measured by using at least one measuring rod (22).
10. The measuring device for shaft parts according to claim 9, wherein the shaft part to be measured is a camshaft, and the measuring device is used for measuring the radial difference between the journal of the camshaft and the cam base circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419109.4A CN111336966B (en) | 2020-05-18 | 2020-05-18 | Measuring device and measuring brace for shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419109.4A CN111336966B (en) | 2020-05-18 | 2020-05-18 | Measuring device and measuring brace for shaft parts |
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| Publication Number | Publication Date |
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| CN111336966A true CN111336966A (en) | 2020-06-26 |
| CN111336966B CN111336966B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010419109.4A Active CN111336966B (en) | 2020-05-18 | 2020-05-18 | Measuring device and measuring brace for shaft parts |
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| US20140134558A1 (en) * | 2011-06-27 | 2014-05-15 | Holcim Technology Ltd. | Method and device for detecting straightness deviations and/or deformations in a rotary kiln |
| CN204988208U (en) * | 2015-09-27 | 2016-01-20 | 上海工程技术大学 | Big stroke screw thread measuring apparatu of high accuracy |
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| CN208206079U (en) * | 2018-03-21 | 2018-12-07 | 华电邹县发电有限公司 | A kind of boiler tube diameter intelligent device for measuring |
| CN109099823A (en) * | 2018-09-30 | 2018-12-28 | 南京泉峰汽车精密技术股份有限公司 | Suitable for measuring the measurement tooling of the frustoconical bevel angle of part |
| CN208458647U (en) * | 2018-07-13 | 2019-02-01 | 格特拉克（江西）传动系统有限公司 | A kind of automobile gear shifting box synchronizer gear ring conjunction gear chamfer detecting device |
| CN209279845U (en) * | 2019-01-14 | 2019-08-20 | 厦门宏驰实业有限公司 | A kind of axis testing fixture for external diameter |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61219813A (en) * | 1985-03-27 | 1986-09-30 | Agency Of Ind Science & Technol | Measuring apparatus with inclination correcting function |
| US20140134558A1 (en) * | 2011-06-27 | 2014-05-15 | Holcim Technology Ltd. | Method and device for detecting straightness deviations and/or deformations in a rotary kiln |
| KR20130021960A (en) * | 2011-08-24 | 2013-03-06 | 한국전력공사 | Measurement system and method of variation rate within rotor bolt |
| CN204988208U (en) * | 2015-09-27 | 2016-01-20 | 上海工程技术大学 | Big stroke screw thread measuring apparatu of high accuracy |
| CN206160873U (en) * | 2016-10-26 | 2017-05-10 | 苏州市大华精密机械有限公司 | Total run -out detection device of axle type work piece |
| CN208206079U (en) * | 2018-03-21 | 2018-12-07 | 华电邹县发电有限公司 | A kind of boiler tube diameter intelligent device for measuring |
| CN208458647U (en) * | 2018-07-13 | 2019-02-01 | 格特拉克（江西）传动系统有限公司 | A kind of automobile gear shifting box synchronizer gear ring conjunction gear chamfer detecting device |
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| CN209279845U (en) * | 2019-01-14 | 2019-08-20 | 厦门宏驰实业有限公司 | A kind of axis testing fixture for external diameter |
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| CN111336966B (en) | 2020-11-06 |
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Denomination of invention: Measuring device and measuring support for shaft parts Effective date of registration: 20230203 Granted publication date: 20201106 Pledgee: Zheshang Bank Co.,Ltd. Nanjing Branch Pledgor: NANJING TOPS AUTOMATION EQUIPMENT Co.,Ltd. Registration number: Y2023980032053 |
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Granted publication date: 20201106 Pledgee: Zheshang Bank Co.,Ltd. Nanjing Branch Pledgor: NANJING TOPS AUTOMATION EQUIPMENT Co.,Ltd. Registration number: Y2023980032053 |