CN107121042B - Automobile rear axle housing oil drain plug hole detection tool and detection method - Google Patents
Automobile rear axle housing oil drain plug hole detection tool and detection method Download PDFInfo
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- CN107121042B CN107121042B CN201710467544.2A CN201710467544A CN107121042B CN 107121042 B CN107121042 B CN 107121042B CN 201710467544 A CN201710467544 A CN 201710467544A CN 107121042 B CN107121042 B CN 107121042B
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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Abstract
The invention relates to a checking fixture for an oil drain plug hole of an automobile rear axle housing, which comprises a size measuring part and a positioning part, wherein the measuring part comprises: the device comprises a base, a scale, a supporting rod seat, a sliding indication block, a sliding rod support, an indication strip and a supporting rod; the scale is arranged in a scale groove on one side of the upper surface of the base, two ends of the other side of the base are respectively provided with a sliding rod through a sliding rod support frame, a sliding indication block is arranged on a rod body of the sliding rod in a sliding manner, a supporting rod seat is arranged on the sliding indication block, a supporting rod is arranged in the middle of the supporting rod seat, an indication strip is hinged to the upper part of the supporting rod, and the axis of the indication strip and the vertex of a triangular point of the sliding indication block indicating scale on the scale are on the same vertical plane; the checking fixture detects the position and the size of the oil drain plug hole of the rear axle housing, can simply, quickly and accurately detect the position and the size of the oil drain plug hole of the rear axle housing of an automobile, replaces the traditional detection mode of marking and evaluating and size conversion, and can effectively improve the precision of a measurement result.
Description
Technical Field
The invention relates to the field of machining measuring tools, in particular to a detection tool and a detection method for the machining size of an automobile rear axle housing.
Background
The automobile drive axle housing is used for supporting and protecting a main speed reducer, a differential mechanism, a half shaft and the like. Meanwhile, the lubricating oil storage cavity is also a cavity for storing lubricating oil of a transmission gear of the main speed reducer and the differential mechanism. At present, most axle housings are manufactured by splicing and butt welding an upper axle housing and a lower axle housing. And two upper and lower axle housing stamping production steps in earlier stage are almost completely unanimous, and last manufacturing procedure is distinguished upper axle housing and lower axle housing and is come, and upper axle housing bores, attacks the screw thread air vent, and lower axle housing is with punching a hole mould oil drain hole. After the assembly of whole axle housing completion, the whole axle housing die cavity that reforms and changes is inside to need to annotate full lubricating oil, and lower axle housing drain plug hole welds after dress oil drain plug seat and the oil drain sealing plug of additional dress, becomes the sealed passageway of the sealed die cavity of axle housing assembly. The whole axle housing welds the back of adorning, need to use full-automatic air tightness check out test set to detect axle housing assembly die cavity sealing performance, and the oil drain consent is one of axle housing assembly leakproofness check point, and the lower axle housing oil drain consent position size uniformity requirement of continuous processing or different batch production will be especially important.
The machining process of the lower axle housing oil drain plug hole is to use a punching die to punch on a 63T punch press, and after the axle housing is punched, the traditional detection method of the hole position size is as follows: the axle housing is sent to a scribing table, and a scribing worker finally obtains the position and the size of an oil drain plug hole of the axle housing in a scribing evaluation and size conversion mode, so that the measuring process is very complicated and complex, and the difficulty is increased for daily detection first inspection, routing inspection and final inspection of products in the production process; in addition, due to the measuring method, the accuracy of the measuring result is poor, and the consistency of the position of the oil drain plug hole of the lower axle housing is difficult to guarantee before and after the maintenance of the punching die or the positioning change of the punching die, so that the automatic detection operation of the detection equipment in the subsequent axle housing assembly tightness test procedure is directly influenced.
Chinese patent publication No. CN205537474U discloses a rear axle package shell oil drain plug hole verticality detection tool which comprises a guide pillar, a sleeve cover and a measuring tool, wherein the guide pillar comprises a guide pillar main body and a connecting section with a connecting thread; the sleeve cover comprises a large-diameter part, a small-diameter part and a guide post hole arranged along the axial direction of the sleeve cover, and the surface of the large-diameter part is parallel to the surface of the small-diameter part and is vertical to the guide post hole; the sleeve cover is sleeved on the guide post main body, and the diameter of the guide post hole is larger than that of the guide post main body, so that the sleeve cover can swing relative to the guide post; the measuring tool measures the verticality of the surface of the guide pillar main body and the large-diameter part. This patent mainly is to the straightness detection that hangs down of rear-axle housing body oil drain plug hole, but can not detect to the position and the size of rear-axle housing body oil drain plug hole, also does not carry out the utensil of examining that detects to the position and the size of rear-axle housing body oil drain plug hole on the market.
The invention designs the checking fixture for the oil drain plug hole of the rear axle housing of the automobile based on the optimization consideration in the prior art, realizes the detection method for simply, quickly and accurately detecting the position and the size of the oil drain plug hole of the rear axle housing of the automobile, replaces the traditional detection modes of marking evaluation and size conversion, improves the precision of a measurement result, and ensures the position and the size consistency of the oil drain plug hole of the axle housing, thereby being very necessary.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a gauge for an oil drain plug hole of an automobile rear axle housing.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an utensil is examined to automobile rear-axle housing oil drain consent, should examine utensil includes size measurement portion and location portion, and measurement portion includes: the device comprises a base, a scale, a supporting rod seat, a sliding indication block, a sliding rod support, an indication strip and a supporting rod;
the scale is arranged in a scale groove on one side of the upper surface of the base, two ends of the other side of the base are respectively provided with a sliding rod through a sliding rod support frame, a sliding indication block is arranged on a rod body of the sliding rod in a sliding manner, a supporting rod seat is arranged on the sliding indication block, a supporting rod is arranged in the middle of the supporting rod seat, an indication strip is hinged to the upper part of the supporting rod, and the axis of the indication strip and the vertex of a triangular point of the sliding indication block indicating scale on the scale are on the same vertical plane;
the positioning portion includes: the axle housing locating piece, the centre of base transversely is equipped with the semicylinder groove, and the semicylinder is installed to the semicylinder inslot, and the base is stretched out to the one end of semicylinder, and axle housing locating piece bottom circular arc breach card is on the circular arc face that the end shaft was stretched out to the semicylinder.
Foretell an automobile rear-axle housing oil drain consent examines utensil, the scale passes through the scale inslot of rivet riveting on one side of the base, and the centre of scale is located to the zero scale of scale.
According to the checking fixture for the oil drain and plug hole of the rear axle housing of the automobile, the sliding rod support is fixedly connected with the base through the bolt; the sliding rod penetrates through the sliding indication block and is fixedly connected with the sliding rod support through a bolt.
The automobile rear axle housing oil drain plug hole inspection device is characterized in that the stay bar seat is connected with the sliding indication block in a key groove mode, a groove is transversely formed in the middle of the upper end face of the sliding indication block, a protruding block is transversely arranged in the middle of the bottom of the stay bar seat, and the protruding block is matched with the groove.
Foretell utensil is examined to automobile rear-axle housing oil drain consent, the bracing piece is adorned in the square hole in the middle of the vaulting pole seat through interference fit.
The automobile rear axle housing oil drain plug hole inspection device is characterized in that a transverse cutting groove is formed in the middle of the upper portion of the supporting rod, and one end of the indicating strip is arranged in the cutting groove, is in clearance fit with the cutting groove and is hinged to the supporting rod through a bolt.
The automobile rear axle housing oil drain plug hole inspection device is characterized in that the positioning part further comprises an auxiliary positioning plug, three magnetite stones are embedded in a large flange face of the auxiliary positioning plug, and the auxiliary positioning plug is adsorbed in the rear axle housing oil drain plug hole.
The automobile rear axle housing oil drain plug hole inspection device is characterized in that one end and the bottom surface of the semi-cylinder are respectively flush with one side and the bottom surface of the base.
The method for detecting the position and the size of the oil drain plug hole of the rear axle housing of the automobile comprises the following steps of:
step 1: placing the size checking fixture for the position of the oil drain plug hole of the rear axle housing of the automobile on the plane of the detection table;
step 2: inserting an auxiliary positioning plug into the punched oil drain plug hole from the inside of the rear axle housing, so that the auxiliary positioning plug is adsorbed in the oil drain plug hole of the rear axle housing;
and 3, step 3: clamping the middle semicircle of the large flange of the rear axle housing on the outer circular arc at one end of the semi-cylinder, and quickly positioning;
and 4, step 4: the sliding indication block moves left and right, the indication strip rotates up and down, and the axle housing positioning block and the rear axle housing move front and back, so that the sharp corner at the tail end of the indication strip contacts the center hole in the end face of the auxiliary positioning plug;
and 5, step 5: and reading the scale value on the scale pointed by the triangular cusp of the bottom plate at the front section of the sliding indication block, recording, taking down the rear axle housing, and finishing the position and size detection of the oil drain plug hole of the rear axle housing.
The invention has the beneficial effects that: the checking fixture detects the position and the size of the oil drain plug hole of the rear axle housing, can simply, quickly and accurately detect the position and the size of the oil drain plug hole of the rear axle housing of an automobile, replaces the traditional detection modes of marking and evaluating and size conversion, can effectively improve the precision of a measurement result, and ensures the position and the size consistency of the oil drain plug hole of the axle housing. In addition, through the axle housing locating piece of switching different specifications, can realize detecting different specifications rear-axle housing oil drain plug hole position size to but fast switch over.
Drawings
FIG. 1 is a schematic isometric view of the present invention;
FIG. 2 is a schematic isometric view of the present invention during inspection;
FIG. 3 is a front view of the present invention during inspection;
FIG. 4 is a schematic structural view of a workpiece rear axle housing.
Detailed Description
The present invention can be embodied by technical solutions, and the present invention can be further described and illustrated by the following examples, however, the scope of the present invention is not limited to the following examples.
Example (b): as shown in fig. 1-4, taking the example of detecting the position and size of the oil drain plug hole of the lower axle housing in a light truck axle housing assembly of a certain model as follows:
the utility model provides an utensil is examined to automobile rear-axle housing oil drain consent, should examine utensil includes size measurement portion and location portion, and measurement portion includes: the device comprises a base 1, a scale 2, a supporting rod seat 4, a sliding indication block 5, a sliding rod 6, a sliding rod support 7, an indication strip 9 and a supporting rod 10; the scale 2 is riveted and installed in a scale groove on one side of the upper surface of the base 1 through a rivet, the zero scale of the scale 2 is arranged in the middle of the scale 2, two ends of the other side of the base 1 are respectively provided with a slide bar 6 through a slide bar support 7, the slide bar is made of stainless steel, and the slide bar support 7 is fixedly connected with the base 1 through a bolt; the sliding rod 6 penetrates through the sliding indication block 5 and is fixedly connected with the sliding rod support 7 through a bolt; a slide indicator block 5 of slidable mounting on the pole body of slide bar 6, be equipped with strut seat 4 on the slide indicator block 5, strut seat 4 is connected with wearing slide indicator block 5 through the keyway mode, transversely is equipped with the recess in the centre of wearing the up end of slide indicator block 5, transversely is equipped with a lug in the middle of the bottom of strut seat 4, and lug and recess phase-match can realize quick assembly disassembly. The middle of the stay bar seat 4 is provided with a support bar 10, and the support bar 10 is arranged in a square hole in the middle of the stay bar seat 4 in an interference fit manner.
The upper part of the supporting rod 10 is hinged with an indicating strip 9, and the axis of the indicating strip 9 and the vertex of the triangular cusp of the sliding indicating block 5 indicating the scale on the scale 2 are on the same vertical plane; the indicating strip 9 can rotate up and down;
the positioning portion includes: axle housing locating piece 8, the centre of base 1 transversely is equipped with the semicylinder groove, and semicylinder 3 is installed to the semicylinder inslot, and base 1 is stretched out to the one end of semicylinder 3, and the direct card of 8 bottom circular arc breachs of axle housing locating piece is on the arc surface that the semicylinder 3 stretches out the end shaft.
The middle of the upper part of the support rod 10 is provided with a transverse cutting groove, and one end of the indication strip 9 is arranged in the cutting groove, is matched with the cutting groove gap and is hinged with the support rod 10 through a bolt or a hinge.
The positioning part further comprises an auxiliary positioning plug 11, three magnetite stones are embedded in the large flange face of the auxiliary positioning plug 11, and the auxiliary positioning plug 11 is adsorbed in an oil drain plug hole of the rear axle housing 12. Before the position size of an oil drain plug hole of an automobile rear axle housing is detected, the auxiliary positioning plug 11 is plugged into the punched oil drain plug hole from the inside of the rear axle housing 12, and the auxiliary positioning plug 11 is adsorbed in the oil drain plug hole of the rear axle housing 12; and then clamping a lute hole in the middle of the rear axle housing 12 on the arc of the axle housing positioning block 8 to realize quick positioning.
One end and the bottom surface of the semi-cylinder 3 are respectively flush with one side and the bottom surface of the base 1.
The working principle of the invention is briefly described as follows: lower axle housing is made through stamping process by panel in the light truck axle housing assembly, in the blanking, take shape, cut long side cut process after, just can use rear axle housing oil drain plug hole position size to detect utensil and detect lower axle housing oil drain plug hole position size when dashing oil drain plug hole process:
step 1: placing a checking fixture for the position and the size of an oil drain plug hole of an automobile rear axle housing on the plane of a detection table;
step 2: the auxiliary positioning plug 11 is plugged into the punched oil drain plug hole from the inside of the rear axle housing 12, so that the auxiliary positioning plug is plugged into the punched oil drain plug hole
The assistant positioning plug 11 is absorbed in an oil drain plug hole of the rear axle housing 12;
and 3, step 3: clamping the middle semicircle of the large flange of the rear axle housing 12 on the outer circular arc at one end of the semi-cylinder 3, and quickly positioning;
and 4, step 4: through the left-right sliding indication block 5, the up-down rotating indication strip 9, the front-back moving axle housing positioning block 8 and the rear axle housing 12, the tip angle at the tail end of the indication strip 9 is contacted with the central hole in the end face of the auxiliary positioning plug 11;
and 5, step 5: and reading the scale value on the scale 2 pointed by the triangular cusp of the bottom plate at the front section of the sliding indication block 5, recording, taking down the rear axle housing, and finishing the position size detection of the oil drain plug hole of the rear axle housing.
The position and the size of the oil drain plug hole of the rear axle housing are detected by the detection tool for the position and the size of the oil drain plug hole of the rear axle housing, so that the position and the size of the oil drain plug hole of the rear axle housing can be simply, quickly and accurately detected, the traditional detection modes of marking evaluation and size conversion are replaced, the accuracy of a measurement result is improved, and the position and the size consistency of the oil drain plug hole of the axle housing are ensured.
By adopting the detection tool for detecting the position and the size of the oil drain plug hole of the rear axle housing of the automobile, the position and the size of the oil drain plug hole of the rear axle housing of different specifications can be detected by switching axle housing positioning blocks of different specifications, and the detection tool can be quickly switched.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an utensil is examined to car rear-axle housing oil drain consent, characterized by: the gauge comprises a size measuring part and a positioning part, wherein the measuring part comprises: the device comprises a base (1), a scale (2), a support rod seat (4), a sliding indication block (5), a sliding rod (6), a sliding rod support (7), an indication strip (9) and a support rod (10);
the scale (2) is arranged in a scale groove on one side of the upper surface of the base (1), a slide rod (6) is erected at two ends of the other side of the base (1) through a slide rod support (7) respectively, a slide indication block (5) is installed on a rod body of the slide rod (6) in a sliding manner, a support rod seat (4) is arranged on the slide indication block (5), a support rod (10) is arranged in the middle of the support rod seat (4), an indication strip (9) is hinged to the upper part of the support rod (10), and the axis of the indication strip (9) and the vertex of a triangular point of the slide indication block (5) indicating scales on the scale (2) are on the same vertical plane;
the positioning portion includes: the axle housing positioning block (8), a semi-cylindrical groove is transversely arranged in the middle of the base (1), a semi-cylinder (3) is installed in the semi-cylindrical groove, one end of the semi-cylinder (3) extends out of the base (1), and an arc notch at the bottom of the axle housing positioning block (8) is clamped on an arc surface of a cylinder body at the extending end of the semi-cylinder (3);
the scale (2) is riveted in a scale groove on one side of the base (1) through a rivet, and the zero scale of the scale (2) is arranged in the middle of the scale (2);
the sliding rod support (7) is fixedly connected with the base (1) through a bolt; the sliding rod (6) penetrates through the sliding indication block (5) and is fixedly connected with the sliding rod support (7) through a bolt;
the supporting rod seat (4) is connected with the sliding indication block (5) in a key groove mode, a groove is transversely formed in the middle of the upper end face of the sliding indication block (5), a convex block is transversely formed in the middle of the bottom of the supporting rod seat (4), and the convex block is matched with the groove;
the positioning part further comprises an auxiliary positioning plug (11), three magnetite stones are embedded in the large flange face of the auxiliary positioning plug (11), and the auxiliary positioning plug (11) is adsorbed in an oil drain plug hole of the rear axle housing (12).
2. The automobile rear axle housing oil drain plug hole gauge according to claim 1, characterized in that: the support rod (10) is arranged in a square hole in the middle of the support rod seat (4) in an interference fit manner.
3. The automobile rear axle housing oil drain plug hole gauge according to claim 1, characterized in that: the middle of the upper part of the supporting rod (10) is provided with a transverse cutting groove, and one end of the indicating strip (9) is arranged in the cutting groove, is in clearance fit with the cutting groove and is hinged with the bolt or the supporting rod (10).
4. The automobile rear axle housing oil drain plug hole gauge according to claim 1, characterized in that: one end and the bottom surface of the semi-cylinder (3) are respectively flush with one side and the bottom surface of the base (1).
5. The method for detecting the tool for detecting the oil drain hole of the automotive rear axle housing as claimed in claim 1 is characterized by comprising the following steps of:
step 1: placing the size checking fixture for the position of the oil drain plug hole of the rear axle housing of the automobile on the plane of the detection table;
step 2: the auxiliary positioning plug (11) is plugged into the punched oil drain plug hole from the inside of the rear axle housing (12) so that the auxiliary positioning plug is enabled to be positioned
(11) Is absorbed in an oil drain plug hole of the rear axle housing (12);
and 3, step 3: clamping the middle semicircle of the large flange of the rear axle housing (12) on the outer circular arc at one end of the semi-cylinder (3) for quick positioning;
and 4, step 4: by moving the sliding indication block (5) left and right, rotating the indication strip (9) up and down, moving the axle housing positioning block (8) back and forth and
the rear axle housing (12) enables the sharp corner at the tail end of the indicating strip (9) to contact the center hole of the end face of the auxiliary positioning plug (11);
and 5, step 5: reading the scale value on the scale (2) pointed by the triangular cusp of the bottom plate at the front section of the sliding indication block (5) and doing the same
And recording, taking down the rear axle housing, and finishing the position and size detection of the oil drain plug hole of the rear axle housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710467544.2A CN107121042B (en) | 2017-06-20 | 2017-06-20 | Automobile rear axle housing oil drain plug hole detection tool and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710467544.2A CN107121042B (en) | 2017-06-20 | 2017-06-20 | Automobile rear axle housing oil drain plug hole detection tool and detection method |
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| Publication Number | Publication Date |
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| CN107121042A CN107121042A (en) | 2017-09-01 |
| CN107121042B true CN107121042B (en) | 2023-01-03 |
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| CN201710467544.2A Active CN107121042B (en) | 2017-06-20 | 2017-06-20 | Automobile rear axle housing oil drain plug hole detection tool and detection method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112238190B (en) * | 2020-09-01 | 2023-09-22 | 合肥常青机械股份有限公司 | Heavy-duty car axle housing shaping measurement device for stamping and welding |
| CN113670156B (en) * | 2021-07-13 | 2024-03-26 | 成都考斯特车桥制造有限责任公司 | Rear axle housing main hole-reducing comprehensive gauge |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE424292B (en) * | 1977-12-22 | 1982-07-12 | Saab Scania Ab | DEVICE FOR INSTALLING A SPRING SYSTEM TO A SHAFT BRIDGE |
| CN1038528C (en) * | 1991-08-29 | 1998-05-27 | 中国科学院长春光学精密机械研究所 | Method and device for comprehensively measuring position error of piston pin hole |
| JP2530550B2 (en) * | 1992-12-24 | 1996-09-04 | 周吾 不破 | Measuring method between measurement reference points in car sheet metal repair |
| JPH08332821A (en) * | 1995-06-07 | 1996-12-17 | Hatsuki Shishido | Car height adjusting device for rear leaf buffering type vehicle |
| US6609649B1 (en) * | 2001-07-13 | 2003-08-26 | Torque-Traction Technologies, Inc. | Method for manufacturing banjo-type axle housings |
| CN201761302U (en) * | 2010-07-30 | 2011-03-16 | 福建畅丰车桥制造有限公司 | Automobile rear axle housing structure |
| CN103512445A (en) * | 2012-06-21 | 2014-01-15 | 天津市宝涞精密机械有限公司 | Detector for detecting position degree of piston hole and pin holes of compressor cylinder body |
| CN102829706B (en) * | 2012-08-23 | 2015-02-18 | 合肥美桥汽车传动及底盘系统有限公司 | Gauge for symmetry degree of rear axle housing steel bracket holes and main reducing gear mounting hole of automobile |
| CN203696328U (en) * | 2014-02-26 | 2014-07-09 | 江苏理工学院 | Welding device for flange ring of automobile rear axle housing |
| CN206847515U (en) * | 2017-06-20 | 2018-01-05 | 江西江铃底盘股份有限公司 | A kind of vehicle rear-axle housing is drained the oil consent cubing |
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