CN104197818A - Coaxiality detector for combined long-spaced shaft sleeve - Google Patents
Coaxiality detector for combined long-spaced shaft sleeve Download PDFInfo
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- CN104197818A CN104197818A CN201410432483.2A CN201410432483A CN104197818A CN 104197818 A CN104197818 A CN 104197818A CN 201410432483 A CN201410432483 A CN 201410432483A CN 104197818 A CN104197818 A CN 104197818A
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Abstract
The invention provides a coaxiality detector for a combined long-spaced shaft sleeve. The coaxiality detector comprises sliding end shafts, a reference rod and detection sliding sleeves, wherein two sliding end shafts are provided; the sliding end shafts comprise chamfered fitting portions and sliding pin portions; the two ends of the reference rod are provided with end stepped holes; two detection sliding sleeves are provided; the detection sliding sleeves have tubular structures provided with through holes; the through holes are sliding sleeve sliding holes; the sliding sleeve sliding holes are in clearance fit with the sliding pin portions of the sliding end shafts; the difference between the inner diameter of the shaft sleeve and the outer diameter of each detection sliding sleeve is smaller than a preset coaxiality standard value of the shaft sleeve. In the detector, the sliding end shafts and the reference rod are combined into a public axis, and inspection on whether the coaxiality between shaft sleeves at the two ends of a rear axle and the public axis meets a design standard or not is performed by detecting whether the sliding sleeves can be inserted into the gaps between the sliding pin portions of the sliding end shafts and the shaft sleeves. The coaxiality detector is skillful in design, and is rapid and convenient to operate and use.
Description
Technical field
The present invention relates to a kind of whether qualified instrument of long spacing axle sleeve right alignment that detects, especially relate to a kind of combined long spacing axle sleeve coaxiality detector.
Background technology
In automobile making and assembling field, as shown in Fig. 1 rear axle structure schematic diagram, back axle 1 complex structure, its two ends axle sleeve 11 is connected with car load vehicle body, axle sleeve 11 affects car load four-wheel location with respect to the right alignment of its common axis, therefore need to detect with respect to its common axis right alignment axle sleeve 11.But because two axle sleeves are with respect to spiral spring center dimensional tolerence large (being greater than its right alignment requires), common right alignment appliance special for detecting cannot detect it, the general three-dimensional checkout equipment that adopts detects this right alignment at present, three-dimensional checkout equipment detects principle: get the connected structure of 2 axle sleeve 11 outermost end circle ring center's points common axis, try to achieve respectively again the right alignment of each axle sleeve 11 axis and this common axis, judge whether it meets the demands.It has the following disadvantages: three-dimensional checkout equipment is high precision checkout equipment, and in order to detect the less demanding workpiece of coaxial accuracy, the wasting of resources makes testing cost high simultaneously; The large Heavy Weight of back axle 1 volume, carrying is easy to cause the damage of back axle 1 and three-dimensional checkout equipment while detection.
Summary of the invention
Detect for above-mentioned back axle two ends axle sleeve and its common axis right alignment the problem existing, the invention provides a kind of combined long spacing axle sleeve coaxiality detector, whether qualifiedly can detect quickly and easily back axle diaxon cover.Described combined long spacing axle sleeve coaxiality detector, comprises sliding end axle, baseline rod and detection sliding sleeve, and described sliding end axle has two, and sliding end axle comprises the chamfering auxiliary section matching with axle sleeve chamfered section, also comprises the sliding pin portion that can stretch into axle sleeve;
Described baseline rod both ends are equipped with end stepped hole, the sliding pin portion clearance fit of this end stepped hole and described sliding end axle;
Described detection sliding sleeve has two, detecting sliding sleeve is the tubular structure with through hole, this through hole is sliding sleeve slide opening, the sliding pin portion clearance fit of sliding sleeve slide opening and described sliding end axle, and the difference of described sleeve diameter and described detection sliding sleeve external diameter is less than axle sleeve right alignment preset standard value.
Described baseline rod is hollow tubular structure, and also coupling has two orienting sleeves that are provided with orienting sleeve endoporus, and described orienting sleeve interference fit is placed in baseline rod end, the sliding pin portion clearance fit of described orienting sleeve endoporus and described sliding end axle.
Described sliding end axle is provided with end footstalk portion near the end of chamfering auxiliary section, and described detection sliding sleeve one end is provided with sliding sleeve outer rim along circumferential extension.
Described combined long spacing axle sleeve coaxiality detector also comprises the Floatable supporting mechanism that is placed in baseline rod below, it comprises back-up block, stage clip and base, stage clip connects back-up block lower surface and base, and described back-up block is provided with the V-type groove consistent with baseline rod length direction near the upper surface of baseline rod.
Further, described back-up block lower surface is provided with the back-up block axis of guide, and described base is provided with the chamber that holds the back-up block axis of guide, and the described back-up block axis of guide is placed in base cavity, and compression spring sleeve is located on the back-up block axis of guide, and connects back-up block body and base.
Further, described back-up block axis of guide side axially has stopper slot along it, stopper slot starts from next-door neighbour back-up block lower surface place, terminate in next-door neighbour back-up block axis of guide end, stopper slot width is slightly larger than the outer electrical path length of caging bolt, the described base cavity side correspondence of holding the back-up block axis of guide has the spacing hole being communicated with described stopper slot, and caging bolt screws in spacing hole to stopper slot, and does not contact with stopper slot.
Further, described base comprises sliding seat and base body, described in hold the back-up block axis of guide chamber be positioned on sliding seat, sliding seat and base body are slidably connected perpendicular to V-type groove fluting direction.
Preferably, the chamfering auxiliary section on described sliding end axle and sliding pin portion right alignment are 0.02mm.
Preferably, the both ends stepped hole right alignment on described baseline rod is 0.01mm.
Preferably, the orienting sleeve endoporus right alignment on described two orienting sleeves is 0.01mm
Combined long spacing axle sleeve coaxiality detector of the present invention, by sliding end axle and baseline rod are combined to formation common axis, then can the space that put under smoothly between sliding end axle sliding pin portion and axle sleeve by detection sliding sleeve check back axle two ends axle sleeve and its common axis right alignment whether to meet design standards.The present invention is skillfully constructed, and operation is used efficient and convenient, has reduced testing cost, can also avoid moving the damage that back axle workpiece causes checkout equipment and workpiece itself simultaneously.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is rear axle structure schematic diagram
Fig. 2 is axle sleeve structure schematic diagram
Fig. 3 is sliding end axle construction schematic diagram
Fig. 4 detects shift sleeve structure schematic diagram
Fig. 5 is baseline rod structural representation
Fig. 6 is the detection schematic diagram of the present invention for detection of back axle housing and its common axis right alignment
Fig. 7 is the front elevation of Floatable supporting mechanism
Fig. 8 is the front elevation of another kind of Floatable supporting mechanism
Fig. 9 is the side view of Fig. 8
Description of reference numerals:
Back axle, 11. axle sleeves, 111. axle sleeve chamfered section, 2. sliding end axle, 21. end footstalk portions, 22. chamfering auxiliary sections, 23. sliding pin portions, 3. baseline rod, 31. end stepped holes, 32. orienting sleeves, 33. orienting sleeve endoporus, 4. detect sliding sleeve, 41. sliding sleeve slide openings, 42. sliding sleeve outer rims, 5. Floatable supporting mechanism, 51. back-up blocks, the 511. back-up block axis of guides, 512.V type groove, 52. stage clips, 53. caging bolts, 54. bases, 541. sliding seats, 542. base bodies
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.
The crucial innovative point of the present invention is to simulate three-dimensional principle, and composite construction two-end-point is respectively the common axis of 2 axle sleeve 11 outermost end circle ring center's points.
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Fig. 3,4,5, described combined long spacing axle sleeve coaxiality detector, comprise sliding end axle 2, baseline rod 3 and detect sliding sleeve 4, described sliding end axle 2 has two, sliding end axle 2 comprises the chamfering auxiliary section 22 matching with axle sleeve chamfered section 111, also comprises the sliding pin portion 23 that can stretch into axle sleeve 11;
Described baseline rod 3 both ends are equipped with end stepped hole 31, sliding pin portion 23 clearance fit of this end stepped hole 31 and described sliding end axle 2;
Described detection sliding sleeve 4 has two, detect sliding sleeve 4 for thering is the tubular structure of through hole, this through hole is sliding sleeve slide opening 41, sliding pin portion 23 clearance fit of sliding sleeve slide opening 41 and described sliding end axle 2, the difference of described axle sleeve 11 internal diameters and described detection sliding sleeve 4 external diameters is less than axle sleeve (11) right alignment preset standard value.
Two axle sleeves 11 on back axle 1 as shown in Figure 2, its outer end all has axle sleeve chamfered section 111, when detection, shown in Fig. 6, axle sleeve 11 is passed respectively in the sliding pin portion 23 of two sliding end axles 2, and the chamfering auxiliary section 22 of sliding end axle 2 is closely cooperated with axle sleeve chamfered section 111; To detect again sliding sleeve 4 through sliding pin portion 23, but not stretch into the space between axle sleeve 11 and sliding pin portion 23; The sliding pin portion 23 of two sliding end axles 2 stretches into respectively in the end stepped hole 31 at baseline rod 3 both ends again.
Due to the aforementioned restriction to the chamfering auxiliary section 22 matching with axle sleeve chamfered section 111 on sliding end axle 2, chamfering auxiliary section 22 central points of sliding end axle 2 and overlapping of axle sleeve 11 outermost end circle ring center's points are ensured, so two-end-point that the axis that sliding end axle 2 and baseline rod 3 combine will be constructed is respectively the common axis of 2 axle sleeve 11 outermost end circle ring center's points.
Now the detection sliding sleeve 4 that is enclosed within sliding pin portion 23 is slipped into the space between axle sleeve 11 and sliding pin portion 23, because the difference of axle sleeve 11 internal diameters and described detection sliding sleeve 4 external diameters is less than axle sleeve (11) right alignment preset standard value, if two are detected sliding sleeve 4 and can slip into smoothly, two axle sleeve 11 right alignmenies on the back axle 1 that explanation detects are qualified, only have one detect sliding sleeve 4 can slip into or two detect sliding sleeves 4 all can not slip into, two axle sleeve 11 right alignmenies on the back axle 1 that detected are defective.
Described baseline rod 3 can also have the design proposal of more optimizing: described baseline rod 3 is hollow tubular structure, also coupling has two orienting sleeves 32 that are provided with orienting sleeve endoporus 33, described orienting sleeve 32 interference fit are placed in baseline rod 3 ends, sliding pin portion 23 clearance fit of described orienting sleeve endoporus 33 and described sliding end axle 2.
The design proposal of hollow tubular structure and coupling orienting sleeve thereof can be saved material, the more important thing is the serviceable life that has increased baseline rod 3, when orienting sleeve sheathed on baseline rod 3 32 in use, after continuous wearing and tearing are undesirable, the orienting sleeve 32 that can more renew, when this baseline rod 3 does not use, should vertically hang, avoid distortion, affect testing result.
Operation to sliding end axle 2 during for the ease of combination common axis, described sliding end axle 2 is provided with end footstalk portion 21 near the end of chamfering auxiliary section 22.
While being inserted in axle sleeve 11, detection sliding sleeve 4 and baseline rod 3 for fear of sliding pin portion 23, each parts are caused to scuffing, affect testing result, on sliding end axle 2, the end of sliding pin portion 23 is provided with chamfering.
Equally for the ease of the operation to detection sliding sleeve 4, described detection sliding sleeve 4 one ends are provided with sliding sleeve outer rim 42 along circumferential extension, when assembling, the sliding pin portion 23 on sliding end axle 2 first passes and detects the one end that there is no sliding sleeve outer rim 42 on sliding sleeve 4, then through the one end that has sliding sleeve outer rim 42.
Described combined long spacing axle sleeve coaxiality detector also comprises the Floatable supporting mechanism 5 that is placed in baseline rod 3 belows, supports baseline rod 3 when detecting, avoids the long-term unsettled distortion of baseline rod 3, affects testing result.It comprises back-up block 51, stage clip 52 and base 54, and stage clip 52 connects back-up block 51 lower surfaces and base 54, and this Floatable supporting mechanism 5 can have some groups, but two groups of operated by rotary motion.
As shown in Figure 9, described back-up block 51 is provided with the V-type groove 512 consistent with baseline rod 3 length directions near the upper surface of baseline rod 3, and baseline rod 3 is placed in V-type groove 512.
Further, as shown in Figure 7, in order to ensure under baseline rod 3 gravity and stage clip 52 elastic force effects, back-up block 51 movement locus remain in vertical plane, described back-up block 51 lower surfaces are provided with the back-up block axis of guide 511, and described base 54 is provided with the chamber that holds the back-up block axis of guide 511, and the described back-up block axis of guide 511 is placed in base cavity, stage clip 52 is sheathed on the back-up block axis of guide 511, and connects back-up block body and base 54.
Further, in order to ensure that back-up block 51 does not rotate and do not eject in base cavity, the described back-up block axis of guide 511 sides axially have stopper slot along it, stopper slot starts from next-door neighbour back-up block 51 lower surface places, terminate in the next-door neighbour back-up block axis of guide 511 ends, stopper slot width is slightly larger than the outer electrical path length of caging bolt 53, the described base cavity side correspondence of holding the back-up block axis of guide 511 has the spacing hole being communicated with described stopper slot, caging bolt 53 screws in spacing hole to stopper slot, and does not contact with stopper slot.
Further, shown in Fig. 8,9, described base 55 comprises sliding seat 541 and base body 542, the described chamber that holds the back-up block axis of guide 511 is positioned on sliding seat 541, sliding seat 541 and base body 542 are slidably connected perpendicular to V-type groove 512 direction of slotting, baseline rod 3 be placed in V-type groove 512 interior after, can pull sliding seat 541 to slide, facilitate baseline rod 3 to be connected with the sliding pin portion 23 of sliding end axle 2.
The common axis that sliding end axle 2 and baseline rod 3 composite constructions form, by the further restriction with sliding pin portion 23 right alignmenies to chamfering auxiliary section on sliding end axle 2 22, and further restriction to stepped hole 31 right alignmenies in both ends on baseline rod 3, can both improve the accuracy of testing result.
Therefore the chamfering auxiliary section 22 on described sliding end axle 2 is preferably 0.02mm with sliding pin portion 23 right alignmenies; Both ends stepped hole 31 right alignmenies on described baseline rod 3 are preferably 0.01mm.
In like manner, in the design proposal of more optimizing at baseline rod 3, orienting sleeve endoporus 33 right alignmenies on described two orienting sleeves 32 are preferably 0.01mm.
It is to be noted: in the present invention, sliding end axle 2 and baseline rod 3 are combined into common axis, again the detection sliding sleeve 4 that is enclosed within sliding pin portion 23 is slipped into the space between axle sleeve 11 and sliding pin portion 23, can slip into smoothly according to detecting sliding sleeve 4, whether qualifiedly detect two axle sleeve 11 right alignmenies.Wherein the shape and size of sliding pin portion 23 and detection sliding sleeve 4 all can adjust accordingly according to axle sleeve 11 geomeries.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a combined long spacing axle sleeve coaxiality detector, it is characterized in that: comprise sliding end axle (2), baseline rod (3) and detect sliding sleeve (4), described sliding end axle (2) has two, sliding end axle (2) comprises the chamfering auxiliary section (22) matching with axle sleeve chamfered section (111), also comprises the sliding pin portion (23) that can stretch into axle sleeve (11);
Described baseline rod (3) both ends are equipped with end stepped hole (31), sliding pin portion (23) clearance fit of this end stepped hole (31) and described sliding end axle (2);
Described detection sliding sleeve (4) has two, detect sliding sleeve (4) for thering is the tubular structure of through hole, this through hole is sliding sleeve slide opening (41), sliding pin portion (23) clearance fit of sliding sleeve slide opening (41) and described sliding end axle (2), the difference of described axle sleeve (11) internal diameter and described detection sliding sleeve (4) external diameter is less than axle sleeve (11) right alignment preset standard value.
2. combined long spacing axle sleeve coaxiality detector according to claim 1, it is characterized in that: described baseline rod (3) is hollow tubular structure, also coupling has two orienting sleeves (32) that are provided with orienting sleeve endoporus (33), described orienting sleeve (32) interference fit is placed in baseline rod (3) end, sliding pin portion (23) clearance fit of described orienting sleeve endoporus (33) and described sliding end axle (2).
3. combined long spacing axle sleeve coaxiality detector according to claim 1 and 2, it is characterized in that: described sliding end axle (2) is provided with end footstalk portion (21) near the end of chamfering auxiliary section (22), and described detection sliding sleeve (4) one ends are provided with sliding sleeve outer rim (42) along circumferential extension.
4. combined long spacing axle sleeve coaxiality detector according to claim 1 and 2, it is characterized in that: also comprise the Floatable supporting mechanism (5) that is placed in baseline rod (3) below, it comprises back-up block (51), stage clip (52) and base (54), stage clip (52) connects back-up block (51) lower surface and base (54), and described back-up block (51) is provided with the V-type groove (512) consistent with baseline rod (3) length direction near the upper surface of baseline rod (3).
5. combined long spacing axle sleeve coaxiality detector according to claim 4, it is characterized in that: described back-up block (51) lower surface is provided with the back-up block axis of guide (511), described base (54) is provided with the chamber that holds the back-up block axis of guide (511), the described back-up block axis of guide (511) is placed in base cavity, it is upper that stage clip (52) is sheathed on the back-up block axis of guide (511), and connect back-up block body and base (54).
6. combined long spacing axle sleeve coaxiality detector according to claim 5, it is characterized in that: the described back-up block axis of guide (511) side axially has stopper slot along it, stopper slot starts from next-door neighbour back-up block (51) lower surface place, terminate in the next-door neighbour back-up block axis of guide (511) end, stopper slot width is slightly larger than the outer electrical path length of caging bolt (53), the described base cavity side correspondence of holding the back-up block axis of guide (511) has the spacing hole being communicated with described stopper slot, caging bolt (53) screws in spacing hole to stopper slot, and do not contact with stopper slot.
7. according to the combined long spacing axle sleeve coaxiality detector described in claim 5 or 6, it is characterized in that: described base (55) comprises sliding seat (541) and base body (542), it is upper that the described chamber that holds the back-up block axis of guide (511) is positioned at sliding seat (541), and sliding seat (541) is slidably connected perpendicular to V-type groove (512) fluting direction with base body (542).
8. combined long spacing axle sleeve coaxiality detector according to claim 1, is characterized in that: the chamfering auxiliary section (22) on described sliding end axle (2) is 0.02mm with sliding pin portion (23) right alignment.
9. combined long spacing axle sleeve coaxiality detector according to claim 1, is characterized in that: both ends stepped hole (31) right alignment on described baseline rod (3) is 0.01mm.
10. combined long spacing axle sleeve coaxiality detector according to claim 2, is characterized in that: orienting sleeve endoporus (33) right alignment on described two orienting sleeves (32) is 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432483.2A CN104197818B (en) | 2014-08-28 | 2014-08-28 | Coaxiality detector for combined long-spaced shaft sleeve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410432483.2A CN104197818B (en) | 2014-08-28 | 2014-08-28 | Coaxiality detector for combined long-spaced shaft sleeve |
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| CN104197818A true CN104197818A (en) | 2014-12-10 |
| CN104197818B CN104197818B (en) | 2017-01-25 |
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| CN201410432483.2A Active CN104197818B (en) | 2014-08-28 | 2014-08-28 | Coaxiality detector for combined long-spaced shaft sleeve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066939A (en) * | 2015-08-03 | 2015-11-18 | 上海市计量测试技术研究院 | Bat ball center distance detection device and detection method thereof |
| CN105806193A (en) * | 2016-05-19 | 2016-07-27 | 河南瑞创通用机械制造有限公司 | Coaxiality detection tool |
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| CN202092543U (en) * | 2011-05-13 | 2011-12-28 | 无锡小天鹅精密铸造有限公司 | Pump casing position detecting fixture |
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| CN203587036U (en) * | 2013-12-03 | 2014-05-07 | 南车眉山车辆有限公司 | Installing seat coaxiality detection apparatus of ballast leveling apparatus of railway freight car |
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| US4383368A (en) * | 1981-09-21 | 1983-05-17 | Morawski Longine V | Concentricity gage |
| JPS58129301A (en) * | 1982-01-29 | 1983-08-02 | Toshiba Corp | Concentricity measuring device |
| CN201569405U (en) * | 2009-11-11 | 2010-09-01 | 平高集团有限公司 | Novel coaxial detecting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066939A (en) * | 2015-08-03 | 2015-11-18 | 上海市计量测试技术研究院 | Bat ball center distance detection device and detection method thereof |
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| CN105806193A (en) * | 2016-05-19 | 2016-07-27 | 河南瑞创通用机械制造有限公司 | Coaxiality detection tool |
| CN105806193B (en) * | 2016-05-19 | 2018-08-31 | 河南瑞创通用机械制造有限公司 | A kind of coaxiality detecting tool |
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| CN104197818B (en) | 2017-01-25 |
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Effective date of registration: 20211130 Address after: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee after: GREAT WALL MOTOR Co.,Ltd. Address before: 300462 No. 99, South Street, West District, Binhai New Area Development Zone, Tianjin Patentee before: TIANJIN BOXIN AUTOMOBILE PARTS Co.,Ltd. |
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