CN201104201Y - Checking tool for center position degree of machine fret - Google Patents
Checking tool for center position degree of machine fret Download PDFInfo
- Publication number
- CN201104201Y CN201104201Y CNU2007201735797U CN200720173579U CN201104201Y CN 201104201 Y CN201104201 Y CN 201104201Y CN U2007201735797 U CNU2007201735797 U CN U2007201735797U CN 200720173579 U CN200720173579 U CN 200720173579U CN 201104201 Y CN201104201 Y CN 201104201Y
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- cubing
- main bearing
- bearing hole
- symmetry
- hole center
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a measuring instrument for measuring a center position degree of a main bearing hole relative to an engine body fret, which is characterized in that: the measuring instrument comprises a verticality measuring instrument and a symmetry measuring instrument, wherein, the verticality measuring instrument comprises an indicator rod on which two dial indicators are hung through penetrating, the indicator rod is fixed on a leveling rule, and one side of the leveling rule is fixedly connected with a positioning cylinder; the symmetry measuring instrument comprises an indicator rod on which a dial indicator is hung through penetrating, the indicator is fixed on a positioning edge board, the bottom of the positioning edge board is connected with a sine rule, and two base angle sides of the sine rule are in parallel connection with two positioning cylinders. The measuring instrument is used to measure verticality and symmetry of a base surface of the main bearing hole relative to the engine body fret, can realize online measurement, and fill up the blank of the measuring method. The measuring instrument can perform the filed online measurement, not only control manufacturing quality of a new engine body but also ensure maintenance quality of the engine body maintained in a factory, and can be widely used to measure center position degree of main bearing holes relative to various diesel engine body frets.
Description
Technical field
The utility model relates to a kind of testing tool, particularly about a kind of diesel-engine body group to main bearing hole center degree cubing.
Background technology
Diesel-engine body 440mm group is the benchmark of body processing and maintenance to the positional precision of main bearing hole, and its precision directly influences the quality of whole machine body.But, all there is not detection means in the body manufacturing with in detecting at present, guarantee by equipment and frock fully whether the final manufacturing of body and repairing quality are met the demands can't realize the economy on-site verification always.
The position accuracy demand (as shown in Figure 1) of 1 pair of main bearing hole of diesel-engine body 440mm group is higher, if body 440mm group 1 is overproof with body main beating cap seat surface 2 verticality, with influencing the precision of itself and main beating cap quality of fit and body main bearing hole 3 thereof, cause quality accidents such as diesel engine generation excessively heated axle in service tile kilning.Because of 1 pair of body main bearing hole of body 440mm group, 3 center symmetries are machining benchmarks of other cabinet size of processing, if its overproof crudy that will influence whole machine body, thereby finally influence the assembling quality and the serviceable life of diesel engine, will cause an immeasurable loss.Repair in shop body (body that keeps in repair in factory) particularly, its 440mm group 1 positional precision, it usually is the key that can the decision body be repaired or how to repair, therefore for the repair in shop body, 440mm group 1 positional precision is go-on-go inspection and true inspection project, and when repairing the body spindle hole, will be foundation with the testing result of 440mm group 1 positional precision more, take reclamation activities targetedly, recover the machining precision of whole machine body.
Therefore, along with the market demand of railway speed raising and great-leap-forward development, and the lifting day by day of enterprise's repair in shop ability, extremely urgent to the on-line measurement of body 440mm group 1 positional precision.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of body group to main bearing hole center degree cubing, comprises verticality cubing and symmetry cubing.
For achieving the above object, the utility model is taked following technical scheme: a kind of body group is to main bearing hole center degree cubing, it is characterized in that: it comprises a squareness measurement cubing and symmetry measurement cubing, described squareness measurement cubing comprises a table bar, wear on it and hang two dial gauges, described table bar is fixed on the leveling ruler, at the fixedly connected setting circle post in described leveling ruler one side; Described symmetry is measured cubing and is comprised a table bar, wears on it and hangs a dial gauge, and described table bar is fixed on the location edge of a knife plate, and described knife edge oralia bottom connects a sine protractor, parallel connection two positioning cylinders in the limit, two base angles of described sine protractor.
The dial gauge that dial gauge on the described squareness measurement cubing and described symmetry are measured on the cubing all is just to be connected on the described separately table bar at the bottom of the scalable.
Positioning cylinder on the described squareness measurement cubing is connected by trip bolt with described leveling ruler.
Two positioning cylinders that described symmetry is measured on the cubing are connected by trip bolt with described sine protractor.
Between described squareness measurement cubing table bar and the described leveling ruler, described symmetry measures that adopting being connected between cubing table bar and the described knife edge oralia is threaded adsorbs a kind of in being connected with magnet base.
The end face of described sine protractor is provided with some threaded holes that described edge of a knife plate is regulated the location that are used for.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is according to the architectural feature of body group, be provided with squareness measurement cubing and symmetry simultaneously and measure cubing, therefore both can be at the scene to the body group with the measurement of body main beating cap seat surface verticality, can fill up the blank on the detection method in the prior art to the measurement of body group and body main bearing hole symmetry again.2, the utility model is owing to can carry out on-site on-line measurement, therefore can effectively measure body group and body main beating cap seat surface verticality and with body spindle hole center symmetry, not only the workmanship of newly making body can be controlled, and the repair quality of repair in shop body can be guaranteed.The utility model is simple in structure, and is easy to operate, can be widely used in the detection of various diesel-engine body groups to main bearing hole center degree.
Description of drawings
Fig. 1 is each position synoptic diagram such as body group of the utility model premeasuring
Fig. 2 is the utility model squareness measurement cubing structural front view
Fig. 3 is the schematic top plan view of Fig. 2
Fig. 4 is that the utility model squareness measurement cubing is examined preceding school zero synoptic diagram
Fig. 5 is that the utility model is used for the squareness measurement synoptic diagram
Fig. 6 is that the utility model symmetry is measured the cubing structural representation
Fig. 7 is the schematic top plan view of Fig. 6
Fig. 8 is that the utility model is used for the symmetry instrumentation plan
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1, the squareness measurement that the utility model will carry out is meant the verticality of body group 1 and body main beating cap seat surface 2, and the symmetry measurement that carry out is meant the symmetry of body group 1 and body main bearing hole 3.The measurement cubing that provides of the utility model comprises that squareness measurement cubing and symmetry measure cubing for this reason, is described respectively below.
As Fig. 2, shown in Figure 3, squareness measurement cubing 4 of the present utility model, comprise a table bar 41, on table bar 41, wear and hang two rod-type dial gauges 42, table bar 41 is fixed on the leveling ruler 43 by screw thread or magnet base (this example adopts screw thread), and leveling ruler 43 is connected by a trip bolt 45 with a setting circle post 44.
As Fig. 4, shown in Figure 5, before the utility model is used for the squareness measurement of body group 1 and body main beating cap seat surface, earlier with 4 of squareness measurement cubings on a platform 5, make the positioning cylinder 44 on the squareness measurement cubing 4 lean against location on the standard straight angle square 6, adjust two dial gauges 42 and make zero, carry out to detect and prepare.Squareness measurement cubing 4 is placed on the body main beating cap seat surface 2 then, with positioning cylinder 44 and body group 1 location, reading two dial gauge indicated values respectively, calculate the difference of two dial gauge indicated values, is exactly the verticality of body group 1 and body main beating cap seat surface 2.
As Fig. 6, shown in Figure 7, the utility model symmetry is measured cubing 7, comprise a table bar 71, wear on it and hang a rod-type dial gauge 72, table bar 71 is fixed on the location edge of a knife plate 74 by screw thread or magnet base (this example adopts magnet base 73), knife edge oralia 74 is connected by a trip bolt 76 with a sine protractor 75, and sine protractor 75 end faces are provided with some threaded holes 77, is used for the various adjustings location of knife edge oralia 74.The following arm of angle of sine protractor 75 is provided with two cylinders 78 that are located by connecting with it by bolt.
As shown in Figure 8, before the utility model is used for the symmetry measurement of body group 1 and body main bearing hole 3, earlier symmetry being measured cubing 7 is placed on the body main bearing hole 3, with two positioning cylinders, 78 location of knife edge oralia 74 and sine protractor 75, dial gauge 72 is made zero in a side adjustment of body group 1.Then dial gauge 72 tunes are measured the another side of body group 1, the indicated value of reading dial gauge this moment both had been the symmetry of body group to body main bearing hole center.
Claims (10)
1, a kind of body group is to main bearing hole center degree cubing, it is characterized in that: it comprises a squareness measurement cubing and symmetry measurement cubing, described squareness measurement cubing comprises a table bar, wear on it and hang two dial gauges, described table bar is fixed on the leveling ruler, at the fixedly connected setting circle post in described leveling ruler one side; Described symmetry is measured cubing and is comprised a table bar, wears on it and hangs a dial gauge, and described table bar is fixed on the location edge of a knife plate, and described knife edge oralia bottom connects a sine protractor, parallel connection two positioning cylinders in the limit, two base angles of described sine protractor.
2, a kind of body group as claimed in claim 1 is characterized in that main bearing hole center degree cubing: the dial gauge that dial gauge on the described squareness measurement cubing and described symmetry are measured on the cubing all is just to be connected on the described separately table bar at the bottom of the scalable.
3, a kind of body group as claimed in claim 1 is characterized in that main bearing hole center degree cubing: the positioning cylinder on the described squareness measurement cubing is connected by trip bolt with described leveling ruler.
4, a kind of body group as claimed in claim 2 is characterized in that main bearing hole center degree cubing: the positioning cylinder on the described squareness measurement cubing is connected by trip bolt with described leveling ruler.
5, as claim 1 or 2 or 3 or 4 described a kind of body groups to main bearing hole center degree cubing, it is characterized in that: two positioning cylinders that described symmetry is measured on the cubing are connected by trip bolt with described sine protractor.
6, as claim 1 or 2 or 3 or 4 described a kind of body groups to main bearing hole center degree cubing, it is characterized in that: between described squareness measurement cubing table bar and the described leveling ruler, described symmetry measures that adopting being connected between cubing table bar and the described knife edge oralia is threaded adsorbs a kind of in being connected with magnet base.
7, a kind of body group as claimed in claim 5 is characterized in that main bearing hole center degree cubing: between described squareness measurement cubing table bar and the described leveling ruler, described symmetry measures that adopting being connected between cubing table bar and the described knife edge oralia is threaded adsorbs a kind of in being connected with magnet base.
8, as claim 1 or 2 or 3 or 4 or 7 described a kind of body groups to main bearing hole center degree cubing, it is characterized in that: the end face of described sine protractor is provided with some threaded holes that described edge of a knife plate is regulated the location that are used for.
9, a kind of body group as claimed in claim 5 is characterized in that main bearing hole center degree cubing: the end face of described sine protractor is provided with some threaded holes that described edge of a knife plate is regulated the location that are used for.
10, a kind of body group as claimed in claim 6 is characterized in that main bearing hole center degree cubing: the end face of described sine protractor is provided with some threaded holes that described edge of a knife plate is regulated the location that are used for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201735797U CN201104201Y (en) | 2007-10-10 | 2007-10-10 | Checking tool for center position degree of machine fret |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201735797U CN201104201Y (en) | 2007-10-10 | 2007-10-10 | Checking tool for center position degree of machine fret |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201104201Y true CN201104201Y (en) | 2008-08-20 |
Family
ID=39951233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201735797U Expired - Lifetime CN201104201Y (en) | 2007-10-10 | 2007-10-10 | Checking tool for center position degree of machine fret |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201104201Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121814A (en) * | 2010-12-21 | 2011-07-13 | 重庆江利圣特机械制造有限责任公司 | Tool for measuring perpendicularity of workpiece |
| CN101658997B (en) * | 2008-08-26 | 2013-01-23 | 兰州金牛轨道交通装备有限责任公司 | Method for repairing and processing bearing hole of main bearing cap of diesel engine body of diesel locomotive |
| CN104457648A (en) * | 2014-12-19 | 2015-03-25 | 中国南方航空工业(集团)有限公司 | Method for acquiring dimension of measuring pin and position tolerance of measuring pin |
| CN106736713A (en) * | 2017-02-28 | 2017-05-31 | 常州光洋轴承股份有限公司 | The blessing frock of three bearing holes on right boring RV reductor bearings |
-
2007
- 2007-10-10 CN CNU2007201735797U patent/CN201104201Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658997B (en) * | 2008-08-26 | 2013-01-23 | 兰州金牛轨道交通装备有限责任公司 | Method for repairing and processing bearing hole of main bearing cap of diesel engine body of diesel locomotive |
| CN102121814A (en) * | 2010-12-21 | 2011-07-13 | 重庆江利圣特机械制造有限责任公司 | Tool for measuring perpendicularity of workpiece |
| CN102121814B (en) * | 2010-12-21 | 2012-10-24 | 重庆江利圣特机械制造有限责任公司 | Tool for measuring perpendicularity of workpiece |
| CN104457648A (en) * | 2014-12-19 | 2015-03-25 | 中国南方航空工业(集团)有限公司 | Method for acquiring dimension of measuring pin and position tolerance of measuring pin |
| CN104457648B (en) * | 2014-12-19 | 2019-03-01 | 中国南方航空工业(集团)有限公司 | The acquisition methods of the Tolerance of Degree of position of the size and measurement pin of measurement pin |
| CN106736713A (en) * | 2017-02-28 | 2017-05-31 | 常州光洋轴承股份有限公司 | The blessing frock of three bearing holes on right boring RV reductor bearings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ERQI TRAIL TRAFFIC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: BEIJING 27 LOCOMOTIVE WORKS CO., LTD., CHINA BEICHE GROUP Effective date: 20081031 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081031 Address after: Beijing city Fengtai District Changxindian Yang Gong Zhuang No. 1, zip code: 100072 Patentee after: Beijing Erqi Railway Traffic Equipment Co., Ltd. Address before: Beijing city Fengtai District Changxindian Yang Gong Zhuang No. 1, zip code: 100072 Patentee before: China North Vehicle Group Beijing No.27 Locomotive Factory Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080820 |