CN109974563B - Special gauge for detecting depth of cylinder hole ring groove of cylinder block - Google Patents

Special gauge for detecting depth of cylinder hole ring groove of cylinder block Download PDF

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Publication number
CN109974563B
CN109974563B CN201910371953.1A CN201910371953A CN109974563B CN 109974563 B CN109974563 B CN 109974563B CN 201910371953 A CN201910371953 A CN 201910371953A CN 109974563 B CN109974563 B CN 109974563B
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China
Prior art keywords
hole
cylinder
positioning
depth
ring groove
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CN201910371953.1A
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CN109974563A (en
Inventor
容健
杨宏程
杨仕勋
温道明
陈家访
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN201910371953.1A priority Critical patent/CN109974563B/en
Publication of CN109974563A publication Critical patent/CN109974563A/en
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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
    • G01B5/003Measuring of motor parts
    • 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
    • G01B5/18Measuring arrangements characterised by the use of mechanical techniques for measuring depth

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

The invention discloses a special gauge for detecting the depth of a cylinder hole ring groove of a cylinder body, which comprises a positioning seat, wherein the bottom of the positioning seat is provided with an arc convex surface which can be matched with the inner wall of a cylinder hole, the positioning seat is provided with positioning holes which are vertically communicated, the positioning holes are vertically arranged and provided with measuring meters, and the wall of each positioning hole is provided with a locking mechanism for positioning the measuring meter. The special gauge for detecting the depth of the cylinder hole ring groove of the cylinder body belongs to the technical field of detection of internal combustion engines, and has the advantages of simple structure, low cost, convenience in use, high measurement precision and simplicity in operation, the depth of the cylinder hole ring groove can be directly detected on site, the use is convenient, the quality monitoring capability of a product processing process is effectively ensured, the production efficiency is greatly improved, and meanwhile, the obstacle is cleared for analyzing and assembling faults.

Description

Special gauge for detecting depth of cylinder hole ring groove of cylinder block
Technical Field
The invention relates to the technical field of internal combustion engine detection, in particular to a special gauge for detecting the depth of a cylinder hole ring groove of a cylinder body.
Background
Because the depth of the cylinder ring groove is free from a special detection gauge, the vernier caliper cannot measure due to the influence of factors such as a cylinder hole structure, a deeper cylinder hole ring groove machining position and the like, and on the other hand, the width of the cylinder hole ring groove is smaller, the cylinder hole ring groove cannot be measured by using an internal dial indicator, and the machining quality monitoring cannot be guaranteed. The processing depth of the ring groove does not meet the processing requirement, which is one of the important reasons for causing assembly faults, when the situation that the cylinder sleeve is not pressed in or is difficult to press is met during assembly, the situation that whether the depth of the ring groove meets the processing requirement can be known after other related assembly fault factors are checked, the process is long in time consumption, uncertainty factors exist, the production progress is seriously influenced, and time waiting is wasted. If the depth of the ring groove cannot be detected timely according to the requirement, the work of checking the assembly faults is difficult to carry out, in addition, the hidden danger of uncontrolled processing exists, and batch unqualified products are easy to find out in time.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art and aims to provide a special gauge for detecting the depth of a cylinder block cylinder hole ring groove, which is convenient to position and detect.
In order to achieve the above purpose, the invention provides a special gauge for detecting the depth of a cylinder hole ring groove of a cylinder body, which comprises a positioning seat, wherein the bottom of the positioning seat is provided with an arc convex surface which can be adapted to the inner wall of a cylinder hole, the positioning seat is provided with positioning holes which are vertically communicated, the positioning holes are vertically arranged and are provided with measuring meters, and the wall of each positioning hole is provided with a locking mechanism for positioning the measuring meter.
As a further improvement, the device further comprises a checking base, wherein the checking base is provided with an arc concave surface matched with the arc convex surface of the positioning seat.
Furthermore, a groove is arranged at the bottom end of the arc concave surface, and a correction boss which can be matched with the arc bottom of the arc convex surface is arranged in the groove.
Further, the grooves are through groove structures which penetrate through two ends of the calibration base in the axial direction of the calibration base.
Further, the center line of the positioning hole coincides with the center line of the circular arc convex surface.
As a further improvement, the locking mechanism comprises a tightening screw which is arranged at one end of the positioning seat and can be screwed into the hole wall of the positioning hole.
Furthermore, the positioning seat is provided with a screw hole extending to the positioning hole.
Furthermore, the locking mechanism further comprises a clamping sleeve arranged in the positioning hole, and an open slot is formed in one side of the clamping sleeve.
Furthermore, the measuring meter is a dial indicator, and a stepped hole matched with the measuring head at the bottom end of the measuring meter is formed in the bottom end of the positioning hole.
As a further improvement, the circular arc convex surface of the positioning seat is provided with an annular abdication groove which can be adapted to the cylinder hole ring groove of the cylinder body.
Advantageous effects
Compared with the prior art, the special gauge for detecting the depth of the cylinder block cylinder hole ring groove has the following beneficial effects: the special gauge for detecting the depth of the cylinder hole ring groove of the cylinder body has the advantages of being reasonable in structural design, simple in structure, low in manufacturing cost, convenient to use, high in measuring precision and simple to operate, can be used for directly detecting the depth of the cylinder hole ring groove on site, is convenient to use, effectively ensures the quality monitoring capability of a product processing process, greatly improves the production efficiency, and simultaneously sweeps obstacles for analyzing assembly faults.
Drawings
FIG. 1 is a front view of a structure of a gauge for detecting cylinder hole ring groove depth of a cylinder block, which is matched with a calibration base;
FIG. 2 is a cross-sectional view of the structure in the direction A-A of FIG. 1;
FIG. 3 is an enlarged top view of the structure of the tool for detecting cylinder hole ring groove depth of the cylinder block of the present invention mated with the calibration base;
FIG. 4 is a perspective view of the positioning seat of the present invention;
FIG. 5 is a front view of the positioning seat of the present invention;
FIG. 6 is a top view of the positioning seat of the present invention;
FIG. 7 is a cross-sectional view of the structure in the direction B-B in FIG. 5;
FIG. 8 is a perspective view of the structure of the calibration base of the present invention;
FIG. 9 is a front view of the structure of the calibration base of the present invention;
FIG. 10 is a schematic view of the structure of the tightening screw of the present invention;
FIG. 11 is a schematic view of the structure of the clamping sleeve of the present invention;
FIG. 12 is a schematic view of the structure of the probe of the present invention;
fig. 13 is a schematic diagram of a detection tool for detecting the depth of a cylinder block cylinder bore ring groove according to the present invention.
In the figure: 1. a positioning seat; 2. a circular arc convex surface; 3. positioning holes; 4. a measuring meter; 5. calibrating a base; 6. a circular arc concave surface; 7. calibrating the boss; 8. a groove; 9. tightening the screw; 10. a screw hole; 11. a clamping sleeve; 12. an open slot; 13. measuring head; 14. an annular relief groove; 15. the gap was observed.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
The specific embodiments of the present invention are as follows: as shown in fig. 1-13, the special gauge for detecting the depth of the cylinder hole ring groove of the cylinder body comprises a positioning seat 1, wherein an arc convex surface 2 which can be matched with the inner wall of a cylinder hole is arranged at the bottom of the positioning seat 1, a positioning hole 3 which is vertically communicated is arranged on the positioning seat 1, a measuring meter 4 is vertically arranged in the positioning hole 3, the measuring meter 4 is a dial indicator, and a locking mechanism for positioning the measuring meter 4 is arranged on the wall of the positioning hole 3. In this special gauge of cylinder block cylinder hole annular depth detection, the radius of curvature of circular arc convex surface 2 is the same with the radius of curvature of cylinder hole, stretches into the cylinder hole with positioning seat 1, laminates mutually through circular arc convex surface 2 and cylinder hole inner wall and fixes a position, makes gauge head 13 of gauge 4 on positioning seat 1 radially stretch into in the annular on the cylinder hole pore wall under the elastic action, detects the degree of depth of cylinder hole annular, fixes a position through circular arc convex surface 2, makes gauge 4 on positioning seat 1 keep level, can not take place the skew, guarantees the accuracy of detected data. The special gauge for detecting the depth of the cylinder hole ring groove of the cylinder body has the advantages of simple structure, low cost, convenient use, high measurement accuracy and simple operation, can directly detect the depth of the cylinder hole ring groove on site, is convenient to use, effectively ensures the quality monitoring capability of the product processing process, greatly improves the production efficiency, and simultaneously sweeps out obstacles for analyzing assembly faults.
In this embodiment, the device further includes a calibration base 5, the calibration base 5 is provided with an arc concave surface 6 adapted to the arc convex surface 2 of the positioning seat 1, the positioning seat 1 is matched with the calibration base 5, and the measurement head 13 of the measurement meter 4 can be abutted through the arc concave surface 6, so that the reading of the measurement meter 4 is zeroed, and when the arc convex surface 2 of the positioning seat 1 is matched with the inner wall of the cylinder hole, the zero point position of the measurement meter 4 is the reading when the measurement head 13 is abutted with the inner wall of the cylinder hole; the measuring meter 4 can be quickly and accurately zeroed through the calibration base 5, so that the measuring precision is ensured, and the detection efficiency is improved.
In this embodiment, the bottom of circular arc concave surface 6 is equipped with recess 8, is equipped with in the recess 8 to be equipped with the correction boss 7 that can with the arc end phase-match of circular arc convex surface 2, and the top surface of correction boss 7 is the correction plane, and the setting of correction boss 7 is convenient for carry out the grinding process of finish machining, and it is more convenient for carry out finish machining on circular arc concave surface 6, guarantees the machining precision of correction plane, improves the correction precision of measuring table 4.
In this embodiment, the groove 8 is a through groove structure penetrating through two ends of the calibration base 5 in the axial direction, and the through groove structure is convenient to process, convenient to clean during processing, and also convenient for the calibration staff to observe.
In this embodiment, the center line of the positioning hole 3 coincides with the center line of the circular convex surface 2, so as to ensure that the center line of the measuring head 13 of the positioning hole 3 coincides with the center of the cylinder hole.
In this embodiment, locking mechanism includes the screw 9 that screws into the pore wall of locating hole 3 that can spiral that is equipped with in the one end of locating seat 1, screws 9 and compresses tightly measuring table 4 fast, easy operation, and locking is rapid.
In this embodiment, the positioning seat 1 is provided with a screw hole 10 extending to the positioning hole 3, the center line of the screw hole 10 is parallel to the length direction of the groove 8, that is, when in detection, the tightening screw 9 on the screw hole 10 is parallel to the axis of the cylinder hole, so that the operation of a worker is facilitated.
In this embodiment, the locking mechanism further includes a clamping sleeve 11 disposed in the positioning hole 3, an open slot 12 is disposed on one side of the clamping sleeve 11, the clamping sleeve 11 is adapted to the gauge rod of the measuring gauge 4, the measuring gauge 4 is accurately positioned, the gauge rod of the measuring gauge 4 is protected from being scratched, and the clamping sleeve 11 is provided with the open slot 12, so that the clamping sleeve 11 can be contracted when being extruded, thereby clamping the measuring gauge 4.
In this embodiment, the gauge 4 is a dial indicator, the bottom end of the positioning hole 3 is provided with a stepped hole adapted to the gauge head 13 at the bottom end of the gauge 4, the gauge head 13 of the gauge 4 is in a stepped shaft shape, and the stepped hole guides and positions the gauge head 13 to prevent the gauge head 13 from being broken due to deflection when being extruded.
In this embodiment, be equipped with annular groove 14 of stepping down on the circular arc convex surface 2 of positioning seat 1, annular groove 14 of stepping down can be compatible with the jar hole annular of cylinder block, and annular groove 14's width of stepping down is greater than jar hole annular width, prevents to avoid the burr of jar hole annular edge to contact with the circular arc surface of examining a main part when detecting and leads to the reading inaccurate. The top of positioning seat 1 is equipped with the groove of stepping down that suits with the outline of measuring table 4, and the groove of stepping down is the logical groove structure that link up positioning seat 1 both ends and set up, is convenient for observe the reading of measuring table 4 dial plate.
In this embodiment, annular relief grooves 14 are located on both sides of the locating hole 3. The bottom of the arc convex surface 2 is provided with an observation notch 15 at the position of the positioning hole 3. The observation notch 15 is a through groove structure which is arranged along the axial direction of the arc convex surface 2 and penetrates through two ends of the arc convex surface, so that a worker can observe whether the measuring head 13 stretches into the cylinder hole ring groove or not during measurement.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (8)

1. The special gauge for detecting the depth of the cylinder hole ring groove of the cylinder body comprises a positioning seat (1), and is characterized in that an arc convex surface (2) which can be matched with the inner wall of a cylinder hole is arranged at the bottom of the positioning seat (1), a positioning hole (3) which is vertically arranged in a penetrating manner is arranged on the positioning seat (1), a measuring meter (4) is vertically arranged in the positioning hole (3), and a locking mechanism for positioning the measuring meter (4) is arranged on the wall of the positioning hole (3);
the device further comprises a correction base (5), wherein the correction base (5) is provided with an arc concave surface (6) which is matched with the arc convex surface (2) of the positioning seat (1);
a groove (8) is formed in the bottom end of the arc concave surface (6), and a correction boss (7) which can be matched with the arc bottom of the arc convex surface (2) is arranged in the groove (8);
the curvature radius of the circular arc convex surface (2) is the same as that of the cylinder hole, the positioning seat (1) stretches into the cylinder hole, the circular arc convex surface (2) is attached to the inner wall of the cylinder hole to position, the measuring head (13) of the measuring meter (4) on the positioning seat (1) radially stretches into the annular groove on the wall of the cylinder hole under the elastic action, and the depth of the annular groove of the cylinder hole is detected.
2. The special gauge for detecting the depth of the cylinder block cylinder hole ring groove according to claim 1, wherein the groove (8) is a through groove structure penetrating through two ends of the checking base (5) in the axial direction.
3. The special gauge for detecting the depth of the cylinder block cylinder hole ring groove according to claim 1, wherein the center line of the positioning hole (3) coincides with the center line of the circular arc convex surface (2).
4. A special gauge for detecting the depth of a cylinder block cylinder hole ring groove according to claim 3, wherein the locking mechanism comprises a tightening screw (9) which is arranged at one end of the positioning seat (1) and can be screwed into the hole wall of the positioning hole (3).
5. A special gauge for detecting the depth of a cylinder block cylinder hole ring groove according to claim 3, wherein the positioning seat (1) is provided with a screw hole (10) extending to the positioning hole (3).
6. The special gauge for detecting the depth of the cylinder block cylinder hole ring groove according to claim 4, wherein the locking mechanism further comprises a clamping sleeve (11) arranged in the positioning hole (3), and an open slot (12) is formed in one side of the clamping sleeve (11).
7. The special gauge for detecting the depth of the cylinder block cylinder hole ring groove according to claim 6, wherein the measuring meter (4) is a dial indicator, and a stepped hole matched with a measuring head (13) at the bottom end of the measuring meter (4) is formed at the bottom end of the positioning hole (3).
8. The special gauge for detecting the depth of the cylinder hole ring groove of the cylinder block according to any one of claims 4 to 7, wherein the circular arc convex surface (2) of the positioning seat (1) is provided with an annular relief groove (14), and the annular relief groove (14) can be adapted to the cylinder hole ring groove of the cylinder block.
CN201910371953.1A 2019-05-06 2019-05-06 Special gauge for detecting depth of cylinder hole ring groove of cylinder block Active CN109974563B (en)

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CN201910371953.1A CN109974563B (en) 2019-05-06 2019-05-06 Special gauge for detecting depth of cylinder hole ring groove of cylinder block

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CN201910371953.1A CN109974563B (en) 2019-05-06 2019-05-06 Special gauge for detecting depth of cylinder hole ring groove of cylinder block

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CN109974563B true CN109974563B (en) 2024-03-12

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111895890A (en) * 2020-08-28 2020-11-06 光隆精密工业(福州)有限公司 Commercial vehicle air butterfly brake bracket gauge type depth measuring tool and its working method

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1098283A (en) * 1996-09-25 1998-04-14 Matsushita Electric Ind Co Ltd Manufacture of precision equipment chassis
JP2003114121A (en) * 2001-10-04 2003-04-18 Mitsutoyo Corp Method for collating measurement data and collating apparatus and program thereof
CN202166386U (en) * 2011-07-27 2012-03-14 中国石油化工股份有限公司 Proofreading block used for height detection of oil sleeve joint premium connection
CN202420407U (en) * 2011-12-22 2012-09-05 浙江吉润汽车有限公司 Parallelism gauge for working faces of micrometer calipers
CN204100943U (en) * 2014-08-04 2015-01-14 浙江吉利罗佑发动机有限公司 A kind of engine water pump impeller beating degree and detecting tool for detecting height
CN105115399A (en) * 2015-09-09 2015-12-02 广西玉柴机器股份有限公司 Air cylinder body bore hole spigot depth detection tool
CN204924130U (en) * 2015-07-31 2015-12-30 宝鸡法士特齿轮有限责任公司 Utensil is examined to short -term test
JP6031732B1 (en) * 2015-08-27 2016-11-24 株式会社東京精密 Method for calculating amount of misalignment of surface shape measuring device and surface shape measuring device
WO2017050288A1 (en) * 2015-09-25 2017-03-30 江苏太平洋精锻科技股份有限公司 Checking tool for metering distance between adjacent sinking grooves in inner hole of mechanical part
CN206787459U (en) * 2017-05-05 2017-12-22 浙江机电职业技术学院 A kind of valve seat depth of chamfering measurement apparatus
CN107588707A (en) * 2017-10-31 2018-01-16 广西玉柴机器股份有限公司 A kind of detection method and device of nozzle hole depth
CN107621213A (en) * 2017-10-12 2018-01-23 无锡透平叶片有限公司 Device for turbine blade root kerve depth survey
CN207007071U (en) * 2017-06-28 2018-02-13 陕西柴油机重工有限公司 Cubing for annular groove depth survey
CN209894101U (en) * 2019-05-06 2020-01-03 广西玉柴机器股份有限公司 Special detection tool for detecting depth of cylinder hole ring groove of cylinder body

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9274027B2 (en) * 2013-07-24 2016-03-01 Siemens Energy, Inc. Apparatus and process for measuring the depth of a groove in a rotor of a gas turbine engine

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1098283A (en) * 1996-09-25 1998-04-14 Matsushita Electric Ind Co Ltd Manufacture of precision equipment chassis
JP2003114121A (en) * 2001-10-04 2003-04-18 Mitsutoyo Corp Method for collating measurement data and collating apparatus and program thereof
CN202166386U (en) * 2011-07-27 2012-03-14 中国石油化工股份有限公司 Proofreading block used for height detection of oil sleeve joint premium connection
CN202420407U (en) * 2011-12-22 2012-09-05 浙江吉润汽车有限公司 Parallelism gauge for working faces of micrometer calipers
CN204100943U (en) * 2014-08-04 2015-01-14 浙江吉利罗佑发动机有限公司 A kind of engine water pump impeller beating degree and detecting tool for detecting height
CN204924130U (en) * 2015-07-31 2015-12-30 宝鸡法士特齿轮有限责任公司 Utensil is examined to short -term test
JP6031732B1 (en) * 2015-08-27 2016-11-24 株式会社東京精密 Method for calculating amount of misalignment of surface shape measuring device and surface shape measuring device
CN105115399A (en) * 2015-09-09 2015-12-02 广西玉柴机器股份有限公司 Air cylinder body bore hole spigot depth detection tool
WO2017050288A1 (en) * 2015-09-25 2017-03-30 江苏太平洋精锻科技股份有限公司 Checking tool for metering distance between adjacent sinking grooves in inner hole of mechanical part
CN206787459U (en) * 2017-05-05 2017-12-22 浙江机电职业技术学院 A kind of valve seat depth of chamfering measurement apparatus
CN207007071U (en) * 2017-06-28 2018-02-13 陕西柴油机重工有限公司 Cubing for annular groove depth survey
CN107621213A (en) * 2017-10-12 2018-01-23 无锡透平叶片有限公司 Device for turbine blade root kerve depth survey
CN107588707A (en) * 2017-10-31 2018-01-16 广西玉柴机器股份有限公司 A kind of detection method and device of nozzle hole depth
CN209894101U (en) * 2019-05-06 2020-01-03 广西玉柴机器股份有限公司 Special detection tool for detecting depth of cylinder hole ring groove of cylinder body

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