CN108050908B - Measuring gauge for runout of pressure cylinder end surface of oil pressure shock absorber of high-speed motor train - Google Patents
Measuring gauge for runout of pressure cylinder end surface of oil pressure shock absorber of high-speed motor train Download PDFInfo
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- CN108050908B CN108050908B CN201711486807.0A CN201711486807A CN108050908B CN 108050908 B CN108050908 B CN 108050908B CN 201711486807 A CN201711486807 A CN 201711486807A CN 108050908 B CN108050908 B CN 108050908B
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 14
- 230000035939 shock Effects 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009191 jumping Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010698 whale oil Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention relates to a measuring gauge for the runout of the pressure cylinder end surface of an oil pressure shock absorber of a high-speed motor train, which comprises: the device comprises a supporting mandrel, an end face supporting plate, supporting elements, a stop block, a dial indicator and a bottom plate, wherein one end of the supporting mandrel is fixedly connected with one side plane of the end face supporting plate, and a plurality of supporting elements are fixed on the outer wall of the supporting mandrel and used as supporting points of the inner wall of the pressure cylinder; the stop block is arranged on one side plane of the end face supporting plate and is used for being in contact with the end face of the pressure cylinder; the dial indicator is arranged on the plane of the other side of the end face supporting plate and is used for measuring the runout of the end face of the pressure cylinder; the bottom plate is connected with the end face supporting plate through an included angle, so that a certain included angle is formed between the supporting mandrel and the bottom plate, and the end face of the pressure cylinder is clung to the stop block according to dead weight of the pressure cylinder. The invention has the characteristics of high accuracy, high production efficiency, reduced labor intensity and the like.
Description
Technical Field
The invention belongs to the technical field of production processes of railway locomotive vehicle vibration absorbers, and particularly relates to a measuring and detecting tool for end face runout of a pressure cylinder of a high-speed motor train oil pressure vibration absorber.
Background
The operation speed of the high-speed motor train in China is from 200km/h to 350km/h, the vibration is inevitably generated during the high-speed operation, and the oil pressure vibration damper of the high-speed motor train is an important part for rapidly damping the vibration of the vehicle, so that the vehicle is kept stable. In the production and manufacturing process of the oil pressure damper, the jumping amount of the end face of the pressure cylinder is an important technical requirement for guaranteeing the quality of the damper, and because the detection standard is the center line of the inner hole, a method adopted in the common detection is to manufacture a core rod with high precision, penetrate into the pressure cylinder, then install the core rod between two centers for measurement, different inner holes are required to manufacture different core rods, the process of installing the core rod is relatively time-consuming, batch inspection is difficult, and the requirement on inspection personnel is relatively high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a measuring and detecting tool for the end face runout of a pressure cylinder of an oil pressure shock absorber of a high-speed motor train, which can be suitable for the end face runout detection of pressure cylinders with different inner hole diameters in a certain range, has high detection efficiency, has low operation requirements on inspection staff, and achieves the purposes of improving accuracy, improving production efficiency and relieving manual labor intensity.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a measuring gauge for the runout of the pressure cylinder end surface of an oil pressure shock absorber of a high-speed motor train, which comprises the following components: the device comprises a supporting mandrel, an end face supporting plate, supporting elements, a stop block, a dial indicator and a bottom plate, wherein one end of the supporting mandrel is fixedly connected with one side plane of the end face supporting plate, and a plurality of supporting elements are fixed on the outer wall of the supporting mandrel and used as supporting points of the inner wall of the pressure cylinder; the stop block is arranged on one side plane of the end face supporting plate and is used for being in contact with the end face of the pressure cylinder; the dial indicator is arranged on the plane of the other side of the end face supporting plate and is used for measuring the runout of the end face of the pressure cylinder; the bottom plate is connected with the end face supporting plate through an included angle, so that a certain included angle is formed between the supporting mandrel and the bottom plate, and the end face of the pressure cylinder is clung to the stop block according to dead weight of the pressure cylinder.
Further, the number of the stop blocks is two, and the stop blocks are symmetrically arranged on two sides of the supporting mandrel respectively.
Further, the number of the supporting elements is four, the supporting elements are uniformly and symmetrically arranged on the outer wall of the upper half part of the supporting mandrel, and when the pressure cylinder is sleeved on the supporting mandrel, the inner wall of the pressure cylinder is tightly attached to the supporting elements.
Further, the supporting element is a precision steel ball.
Further, the dial indicator is in threaded connection with the other side plane of the end face supporting plate.
Further, the supporting mandrel forms an included angle of 20 degrees with the bottom plate.
Further, the stop block is made of hard materials.
The beneficial effects of the invention at least comprise: the invention relates to a measuring gauge for measuring the runout of the end surface of a pressure cylinder of a high-speed motor car oil pressure shock absorber, which utilizes the tangential point of an inner circle as an inner surface reference, meets the reference requirement of a drawing, can be suitable for pressure cylinders in different inner hole diameter ranges, enables the end surface to be clung to a stop block due to the dead weight of the pressure cylinder, can not cause errors in axial backward measurement due to the rotation of the pressure cylinder, and only needs to put the pressure cylinder in the range into a supporting mandrel in a measuring method, and can automatically slide to a measuring position to generate initial reading.
Drawings
FIG. 1 is a schematic diagram of the structure of the test tool of the present invention.
Fig. 2 is a front view of the gauge of the present invention.
Fig. 3 is a schematic diagram of the K direction of fig. 2.
Fig. 4 is an enlarged view of the first embodiment of fig. 3.
Fig. 5 is an enlarged view of the second embodiment of fig. 3.
FIG. 6 is a schematic diagram illustrating the operation of the inspection tool of the present invention.
The device comprises a supporting mandrel 1, a precise steel ball 2, an end face supporting plate 3, a dial indicator 4, a stop block 5, a bottom plate 6, a pressure cylinder 7 and a measuring position 8.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present invention, the present invention will be further described in detail with reference to specific embodiments. The following examples are illustrative only and are not to be construed as limiting the invention. The examples are not to be construed as limiting the specific techniques or conditions described in the literature in this field or as per the specifications of the product.
According to an embodiment of the present invention, fig. 1 is a schematic structural diagram of a gauge of the present invention, fig. 2 is a front view of the gauge of the present invention, fig. 3 is a schematic K-direction diagram of fig. 2, and referring to fig. 1-3, a gauge for measuring runout of a pressure cylinder end surface of a hydraulic shock absorber of a high-speed motor train according to the present invention includes: the device comprises a supporting mandrel, an end face supporting plate, supporting elements, a stop block, a dial indicator and a bottom plate, wherein one end of the supporting mandrel is fixedly connected with one side plane of the end face supporting plate, and a plurality of supporting elements are fixed on the outer wall of the supporting mandrel and used as supporting points of the inner wall of the pressure cylinder; the stop block is arranged on one side plane of the end face supporting plate and is used for being in contact with the end face of the pressure cylinder; the dial indicator is arranged on the plane of the other side of the end face supporting plate and is used for measuring the runout of the end face of the pressure cylinder; the bottom plate is connected with the end face supporting plate through an included angle, so that a certain included angle is formed between the supporting mandrel and the bottom plate, and the end face of the pressure cylinder is clung to the stop block according to dead weight of the pressure cylinder.
According to some embodiments of the invention, the number of the stoppers is two, and the stoppers are symmetrically arranged at two sides of the supporting mandrel respectively.
According to some embodiments of the invention, the number of the supporting elements is four, the supporting elements are uniformly and symmetrically arranged on the outer wall of the upper half part of the supporting mandrel, and when the pressure cylinder is sleeved on the supporting mandrel, the inner wall of the pressure cylinder is closely attached to the supporting elements.
According to some embodiments of the invention, the support element is a precision steel ball.
According to some embodiments of the invention, the dial indicator is threadably coupled to the other side of the end support plate.
According to some embodiments of the invention, the support mandrel forms an angle α of 20 ° with the base plate.
According to some embodiments of the invention, the stop is made of a hard material.
According to some embodiments of the invention, fig. 4 is an enlarged view of fig. 3, and referring to fig. 4, the axis of the pressure cylinder is coaxial with the supporting mandrel, and the inner wall of the pressure cylinder is tangential to the surface of the precision steel ball, where the diameter D of the inner hole of the pressure cylinder is equal to the sum of the outer diameter of the supporting mandrel and the thickness of the protruding portion of the precision steel ball on the surface of the supporting mandrel.
According to other embodiments of the present invention, fig. 5 is an enlarged view of fig. 3, and referring to fig. 5, the axis of the pressure cylinder and the axis of the supporting mandrel are not on the same straight line, and the inner wall of the upper portion of the pressure cylinder is tangent to the surface of the precision steel ball, where the diameter D of the inner hole of the pressure cylinder is greater than the sum of the outer diameter of the supporting mandrel and the thickness of the protruding portion of the precision steel ball on the surface of the supporting mandrel, and the specific difference may be about 20 mm.
According to the embodiment of the invention, fig. 6 is an operation schematic diagram of the checking fixture of the invention, referring to fig. 6, the invention designs a supporting mandrel 1 with an inclination angle of 20 degrees, a concentric precise steel ball 2 is arranged on the supporting mandrel as a support, a stop block 5 is arranged on an end face supporting plate 3 as an end face support of a pressure cylinder, a dial indicator 4 is fixed at a measuring end face, the pressure cylinder is placed on the supporting mandrel during measurement, the precise steel ball is used as a supporting point, the supporting point corresponds to inscription, a reference is better found, the dead weight of the pressure cylinder is beneficial to enable the end face of the pressure cylinder to be tightly contacted with the stop block, the pressure cylinder automatically slides to a measuring position, the dial indicator displays an initial value at the moment, the pressure cylinder rotates, the dial indicator rotates clockwise or anticlockwise according to the jumping amount of the end face, and the maximum value of the pointer is the jumping amount of the end face of the pressure cylinder.
The inventor finds that the measuring gauge for the runout of the pressure cylinder end surface of the high-speed motor train oil pressure shock absorber utilizes the tangent point of the inner circle as an inner surface reference, meets the reference requirement of a drawing, can be suitable for pressure cylinders in different inner hole diameter ranges, enables the end surface to be tightly attached to a stop block due to the dead weight of the pressure cylinder, can not cause errors in axial backward measurement due to rotation of the pressure cylinder, and is convenient to operate by only placing the pressure cylinder in the range into a supporting mandrel, and the pressure cylinder can automatically slide to a measuring position to generate initial reading.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by those skilled in the art within the scope of the application, as well as variations in the detailed description and application of the application may occur to those skilled in the art in light of the teachings of the application.
Claims (4)
1. The utility model provides a high-speed motor car oil pressure shock absorber cylinder end face measurement examines utensil that beats which characterized in that includes: the supporting mandrel, the end face supporting plate, the supporting element, the stop block, the dial indicator and the bottom plate, wherein,
One end of the supporting mandrel is fixedly connected with one side plane of the end face supporting plate, and a plurality of supporting elements are fixed on the outer wall of the supporting mandrel and used as supporting points of the inner wall of the pressure cylinder;
the stop block is arranged on one side plane of the end face supporting plate and is used for being in contact with the end face of the pressure cylinder;
the dial indicator is arranged on the plane of the other side of the end face supporting plate and is used for measuring the runout of the end face of the pressure cylinder;
the bottom plate is connected with the end face supporting plate by an included angle, so that a certain included angle is formed between the supporting mandrel and the bottom plate, and the end face of the pressure cylinder is tightly attached to the stop block by the pressure cylinder according to dead weight;
The number of the supporting elements is four, the supporting elements are uniformly and symmetrically arranged on the outer wall of the upper half part of the supporting mandrel, and when the pressure cylinder is sleeved on the supporting mandrel, the inner wall of the pressure cylinder is tightly attached to the supporting elements; the supporting element is a precise steel ball; the included angle formed by the supporting mandrel and the bottom plate is 20 degrees;
the axis of the pressure cylinder is coaxial with the supporting mandrel, the inner wall of the pressure cylinder is tangent to the surface of the precise steel ball, and at the moment, the diameter D of an inner hole of the pressure cylinder is equal to the sum of the outer diameter of the supporting mandrel and the thickness of a protruding part of the precise steel ball on the surface of the supporting mandrel; the axis of the pressure cylinder and the axis of the supporting mandrel are not in the same straight line, the inner wall of the upper part of the pressure cylinder is tangent to the surface of the precise steel ball, at the moment, the diameter D of the inner hole of the pressure cylinder is larger than the sum of the outer diameter of the supporting mandrel and the thickness of the protruding part of the precise steel ball on the surface of the supporting mandrel, and the specific difference is 20mm.
2. The fixture for measuring runout of the pressure cylinder end surface of the hydraulic shock absorber of the high-speed bullet train according to claim 1, wherein the number of the stop blocks is two, and the stop blocks are symmetrically arranged on two sides of the supporting mandrel respectively.
3. The fixture for measuring runout of the pressure cylinder end surface of the oil pressure shock absorber of the high-speed motor train unit according to claim 1, wherein the dial indicator is connected with the other side plane thread of the end surface supporting plate.
4. The fixture for measuring runout of the pressure cylinder end surface of the hydraulic shock absorber of the high-speed motor train unit according to claim 2, wherein the stop block is made of hard materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486807.0A CN108050908B (en) | 2017-12-30 | Measuring gauge for runout of pressure cylinder end surface of oil pressure shock absorber of high-speed motor train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486807.0A CN108050908B (en) | 2017-12-30 | Measuring gauge for runout of pressure cylinder end surface of oil pressure shock absorber of high-speed motor train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108050908A CN108050908A (en) | 2018-05-18 |
| CN108050908B true CN108050908B (en) | 2024-06-04 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004351854A (en) * | 2003-05-30 | 2004-12-16 | Sanko Gosei Ltd | Slide core drive device for undercut of mold |
| CN201266056Y (en) * | 2008-10-05 | 2009-07-01 | 韦星野 | End pulsation measurement instrument for support shoulder |
| CN201402118Y (en) * | 2009-02-23 | 2010-02-10 | 温岭市正田摩托车零部件制造有限公司 | Large gear ring toothspace radial runout detector |
| CN202195792U (en) * | 2011-08-22 | 2012-04-18 | 广西玉柴重工有限公司 | Shaft sleeve end face verticality detecting tool |
| CN202204422U (en) * | 2011-07-29 | 2012-04-25 | 重庆美心米勒曲轴股份有限公司 | Gauge used for step end surface jumping of shaft parts provided with axle journal |
| CN103363861A (en) * | 2013-08-06 | 2013-10-23 | 江苏苏铃精工机械有限公司 | Inspection device for measuring inner cone jumping of small precise main shaft |
| CN203274616U (en) * | 2013-04-20 | 2013-11-06 | 范存强 | Device for detecting run-out of surface of flange of cylinder |
| CN204027477U (en) * | 2014-07-16 | 2014-12-17 | 安徽沃佳机床制造有限公司 | A kind of solid of revolution pulsation measurement device |
| CN204679001U (en) * | 2015-05-14 | 2015-09-30 | 南京赛博宁减振器制造有限公司 | The semi-automatic bounce gauge of a kind of vibration damper |
| CN105091692A (en) * | 2014-07-16 | 2015-11-25 | 安徽沃佳机床制造有限公司 | Revolving body bounce measuring apparatus |
| CN207850221U (en) * | 2017-12-30 | 2018-09-11 | 深圳市中车业成实业有限公司 | A kind of high speed motor car oil-pressure damper pressure cylinder end pulsation measurement cubing |
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004351854A (en) * | 2003-05-30 | 2004-12-16 | Sanko Gosei Ltd | Slide core drive device for undercut of mold |
| CN201266056Y (en) * | 2008-10-05 | 2009-07-01 | 韦星野 | End pulsation measurement instrument for support shoulder |
| CN201402118Y (en) * | 2009-02-23 | 2010-02-10 | 温岭市正田摩托车零部件制造有限公司 | Large gear ring toothspace radial runout detector |
| CN202204422U (en) * | 2011-07-29 | 2012-04-25 | 重庆美心米勒曲轴股份有限公司 | Gauge used for step end surface jumping of shaft parts provided with axle journal |
| CN202195792U (en) * | 2011-08-22 | 2012-04-18 | 广西玉柴重工有限公司 | Shaft sleeve end face verticality detecting tool |
| CN203274616U (en) * | 2013-04-20 | 2013-11-06 | 范存强 | Device for detecting run-out of surface of flange of cylinder |
| CN103363861A (en) * | 2013-08-06 | 2013-10-23 | 江苏苏铃精工机械有限公司 | Inspection device for measuring inner cone jumping of small precise main shaft |
| CN204027477U (en) * | 2014-07-16 | 2014-12-17 | 安徽沃佳机床制造有限公司 | A kind of solid of revolution pulsation measurement device |
| CN105091692A (en) * | 2014-07-16 | 2015-11-25 | 安徽沃佳机床制造有限公司 | Revolving body bounce measuring apparatus |
| CN204679001U (en) * | 2015-05-14 | 2015-09-30 | 南京赛博宁减振器制造有限公司 | The semi-automatic bounce gauge of a kind of vibration damper |
| CN207850221U (en) * | 2017-12-30 | 2018-09-11 | 深圳市中车业成实业有限公司 | A kind of high speed motor car oil-pressure damper pressure cylinder end pulsation measurement cubing |
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Country or region after: China Address after: No. 8052, Yuanshan international road, 100d2, Zhongshan District, Guangdong Province Applicant after: Shenzhen Yecheng Industrial Co.,Ltd. Address before: No. 8052, Yuanshan international road, 100d2, Zhongshan District, Guangdong Province Applicant before: SHENZHEN ZHONGCHE YECHENG INDUSTRIAL Co.,Ltd. Country or region before: China |
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