CN101709943B - Implement for measuring pitch diameter of AAR three-pin shaft - Google Patents
Implement for measuring pitch diameter of AAR three-pin shaft Download PDFInfo
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- CN101709943B CN101709943B CN 200910201328 CN200910201328A CN101709943B CN 101709943 B CN101709943 B CN 101709943B CN 200910201328 CN200910201328 CN 200910201328 CN 200910201328 A CN200910201328 A CN 200910201328A CN 101709943 B CN101709943 B CN 101709943B
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- aar
- guide rail
- pitch diameter
- bearing pin
- slide plate
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an implement for measuring the pitch diameter of an AAR three-pin shaft, which comprises a bottom plate, a movable measuring mechanism, a positioning mechanism, a reset mechanism and a length measuring mechanism, wherein the movable measuring mechanism comprises a first guide rail, a sliding plate and a measuring block, the first guide rail is connected with the bottom plate, the sliding plate can slide back and forth along the first guide rail, the measuring block is arranged at the front end of the sliding plate, three measuring heads which are positioned on the same spherical surface are arranged on the measuring block, and the spherical surface is consistent with the peripheral surface of a roller seat; the positioning mechanism is positioned at the front side of the movable measuring mechanism and is used for positioning the AAR three-pin shaft to be detected; the reset mechanism is positioned at the back side of the movable measuring mechanism and comprises a reset block, wherein the reset block is fixed on the bottom plate and is connected with the back end of the sliding plate through a reset spring; and the length measuring mechanism is connected with the back end of the sliding plate. The implement for measuring the pitch diameter of the AAR three-pin shaft is simple to use and convenient to operate and can quickly judge whether the pitch diameter of the AAR three-pin shaft is qualified or not, thereby meeting the requirement of mass production.
Description
Technical field
The present invention relates to a kind of cubing, particularly a kind of cubing that detects AAR three bearing pin pitch diameters.
Background technology
Three pin joints are strength members on the truck drive shaft as the key component of constant velocity cardan joint, are divided into AAR joint and GI joint by its structure difference.The AAR joint is made up of AAR three bearing pins and three rollers, as shown in Figure 1, AAR three bearing pins 1 are provided with three roller mount 11, roller is positioned at roller mount, the outside surface of roller mount 11 is spherical in shape, central shaft with AAR three bearing pins 1 is a round dot, and this central shaft is that the diameter of a circle that radius forms is called AAR three bearing pin pitch diameters (PCD) to the distance of roller mount 11 centre ofs sphere.The size of AAR three bearing pin pitch diameters will directly influence the assembling of roller and the performance of three pin joints, therefore must measure the pitch diameter size of AAR three bearing pins when carrying out three pin joint assemblings, whether the size of pitch diameter that detects AAR three bearing pins is within the error range of regulation.Now generally adopt three-coordinates measuring machine to measure to the detection of AAR three bearing pin pitch circle sizes, but the detection time of adopting this three-coordinates measuring machine to measure to need is longer, do not satisfy the requirement of speed of production, therefore generally can only the initial workpiece of AAR three bearing pins be detected in process of production, and can not each AAR three bearing pin in producing in batches be detected, the rejection rate of product raises in so just causing producing in batches easily, increases the production cost of enterprise.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention provides a kind of new AAR three bearing pin pitch diameter cubings, realizes the fast detecting to AAR three bearing pin pitch diameters.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of AAR three bearing pin pitch diameter cubings, described AAR three bearing pins are provided with the roller mount of three spheries, and it comprises: base plate; Traverse measurement mechanism, it comprises first guide rail, slide plate, and described first guide rail is connected with described base plate, and described slide plate can slide before and after described first guide rail, the front end of described slide plate is provided with three measuring heads that are positioned on the same sphere, and the outer peripheral face of this sphere and described roller mount is consistent; Detent mechanism, be positioned at the front side of described traverse measurement mechanism, described detent mechanism comprises positioning seat, spring ringfeder, the core that rises, ringfeder screw, described positioning seat is fixed on the described base plate, insert in the described spring ringfeder the described core upper end of rising, and described ringfeder screw is connected with the described core upper end of rising, and the described core that rises is positioned at described positioning seat, the lower end abutment of the described core that rises is on a pressure spring, and described spring ringfeder is positioned at described measuring head top; Resetting-mechanism is positioned at the rear side of described traverse measurement mechanism, and described resetting-mechanism comprises a resetting block, and described resetting block is fixed on the described base plate, and described resetting block is connected with the rear end of described slide plate by back-moving spring; Linear measure longimetry mechanism is connected with described skateboard back-end.
Preferably, described traverse measurement mechanism also comprises the guide rail plate and second guide rail, and described guide rail plate is fixed on the described base plate, and described first guide rail is fixed on the described guide rail plate, described second guide rail is fixed on the described slide plate, is provided with roller between described first guide rail and second guide rail.
Preferably, described roller is installed on the roller rolling retainer.
Preferably, also comprise a regulating sleeve, described regulating sleeve is connected with described positioning seat lower end, and the described core lower end of rising is stretched in the described regulating sleeve, and described pressure spring is positioned at described regulating sleeve.
Preferably, described ringfeder screw is connected with the described core that rises by a thread spindle.
Preferably, described linear measure longimetry mechanism comprises a dial gauge, and described dial gauge is fixed on the described base plate by a dial framework, and the gauge head of described dial gauge contacts with described skateboard back-end.
Preferably, the surface of contact of described spring ringfeder and the described core that rises is taper.
Technique scheme has following beneficial effect: these AAR three bearing pin pitch diameter cubings in use, with AAR to be measured three pin sleeves on the spring ringfeder, drive the core rotation of rising by the ringfeder screw and make spring ringfeder spreading block AAR to be measured three bearing pins, press down AAR three bearing pins then the outer peripheral face of AAR three bearing pin roller mount is contacted with the measuring head of below.Because three measuring heads are positioned on the same sphere, and this sphere is consistent with the outer peripheral face of roller mount, therefore three measuring heads can contact with the outer peripheral face of roller mount simultaneously, and it is identical to adopt three measuring heads to detect the measuring position that can guarantee on each AAR three bearing pin.AAR three bearing pins press down in the process, and measuring head will drive slide plate and move a certain distance until three measuring heads and can contact with roller mount simultaneously, because the difference of AAR three bearing pin pitch diameters, the distance that slide plate moves also can be different.When carrying out the detection of AAR three bearing pin pitch diameters, only need to measure earlier the standard component of AAR three bearing pins, write down the distance that slide plate moves by linear measure longimetry mechanism, and then measurement detection piece, and within the limits prescribed whether the difference of slide plate displacement when slide plate displacement and measurement standard spare when comparing and measuring detection piece, as then this detection piece is qualified within the limits prescribed, as then this detection piece is not defective within the limits prescribed.These AAR three bearing pin pitch diameter cubings are used simple, easy to operate, can judge fast whether the pitch diameter of AAR three bearing pins is qualified, satisfy batch production requirement.
Description of drawings
Fig. 1 is the structural representation of AAR three bearing pins.
Fig. 2 is the front view of the embodiment of the invention.
Fig. 3 is the vertical view of the embodiment of the invention.
Fig. 4 is that the A-A of Fig. 3 is to cut-open view.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Shown in Fig. 2,3, these AAR three bearing pin pitch diameter cubings comprise a base plate 21, and the two ends of base plate 21 lower surfaces are provided with feet 22.Base plate 21 be provided with detent mechanism 3, traverse measurement mechanism 4, linear measure longimetry mechanism 5 and resetting-mechanism 6.
Shown in Fig. 2,3,4, traverse measurement mechanism 4 comprises slide plate 41, guide rail plate 44, first guide rail 46 and second guide rail 47, guide rail plate 44 is fixed on the base plate 21, first guide rail 46 is fixed on the guide rail plate 44, second guide rail 47 is fixed on the slide plate 41, and first guide rail 46 is parallel relative with second guide rail 47, is provided with roller between first guide rail 46 and second guide rail 47, roller is installed on the roller support 48, and second guide rail 47 can drive slide plate 41 and slide along first guide rail 46.Front end at slide plate 41 is provided with a measurement piece 42, measure piece 42 and be provided with three measuring heads 43, these three measuring heads 43 are positioned on the same sphere, this sphere is consistent with the AAR three bearing pin roller mount outer peripheral faces that need to detect, and it is identical adopting three measuring heads to detect the measuring position that can guarantee on each AAR three bearing pin.The rear end of slide plate 41 is provided with a contact shoe 45.
For another example shown in Fig. 2,3, detent mechanism 3 is positioned at the front side of traverse measurement mechanism 4, detent mechanism 3 comprises positioning seat 31, spring ringfeder 36, the core 37 that rises, ringfeder screw 32 and thread spindle 34, have pin-and-hole on the ringfeder screw 32, the upper end of thread spindle 34 is connected with ringfeder screw 32 by pin 35, for strengthening strength of joint, the both sides up and down of pin 35 are equipped with hold-down ring 33.Spring ringfeder 36 is positioned at the top of measuring head 43, thread spindle 34 inserts in the spring ringfeder 36 from the top, the core 37 that rises inserts in the spring ringfeder 36 from the below, for improving spring ringfeder 36 and the cooperation tight ness rating between the core 37 of rising, surface of contact between the two can be designed to taper.The core 37 that rises is connected with the lower end of thread spindle 34 by the tapped blind hole on it.Positioning seat 31 is fixed on the base plate 21, and positioning seat 31 is provided with a through hole, and the lower end of this through hole is provided with an adjustment seat 38, is provided with a pressure spring 39 in the adjustment seat 38, and the core 37 that rises inserts in the through hole of this positioning seat 31, and its lower end abutment is on pressure spring 39.
As shown in Figure 3, the rear side of traverse measurement mechanism 4 is provided with a resetting-mechanism 6, this resetting-mechanism 6 comprises a resetting block 61, be fixed with a screw 63 on the resetting block 61, the rear end of slide plate 41 is provided with a jack, and screw 63 inserts in this jack, slide plate 41 can slide along this screw 63, be with a back-moving spring 62 on the screw 63, the two ends of back-moving spring 62 are resisted against the rear end of resetting block 61 and slide plate 41 respectively, and screw 63 can play the effect of support to back-moving spring 62.
For another example shown in Fig. 2,3, the rear side of traverse measurement mechanism 4 also is provided with a linear measure longimetry mechanism 5, linear measure longimetry mechanism 5 comprises a dial gauge 52, and dial gauge 52 is fixed on the base plate 21 by dial framework 51, and the gauge head 53 of dial gauge 52 is resisted against on the contact shoe 45 of rear end of slide plate 41.
These AAR three bearing pin pitch diameter cubings in use, AAR three pin sleeves that at first will detect rotate ringfeder screw 32 then on spring ringfeder 36, ringfeder screw 32 drives the core 37 that rises by thread spindle 34 and rotates, along with the rotation of the core 37 that rises, spring ringfeder 36 spreading gradually blocks AAR three bearing pins.Pressing down these AAR three bearing pins to three measuring heads 43 of roller mount with its below then contacts, because three measuring heads 43 are positioned on the same sphere, and this sphere is consistent with the outer peripheral face of roller mount, and therefore three measuring heads 43 can contact with the outer peripheral face of roller mount simultaneously.In the process that AAR three bearing pins press down, for making three measuring heads 43 can touch the outer peripheral face of roller mount, the position of three measuring heads 43 can be adjusted to some extent, and measuring head 43 will drive slide plate 41 and sliding on first guide rail 46 until three measuring heads 43 with till the outer peripheral face of roller mount contacts simultaneously like this.The gauge head 53 that will promote dial gauge 52 when slide plate 41 moves moves, and demonstrates mobile distance in the dial gauge gauge outfit.Because the pitch diameter difference of each AAR three bearing pin, so the distance that slide plate 41 moves also can be different.After finishing, detection unclamps AAR three bearing pins, AAR three bearing pins and slide plate 41 reset under the elastic force effect of pressure spring 39 and back-moving spring 62, reverse rotation ringfeder screw 32 makes 36 contractions of spring ringfeder unclamp AAR three bearing pins again, and good AAR three bearing pins can be finished one-time detection to take off detection.Repeating said process can detect a plurality of AAR three bearing pins.
When carrying out the detection of AAR three bearing pin pitch diameters, can measure the standard component of AAR three bearing pins earlier, write down the distance that slide plate moves by dial gauge, and then detect and to measure detection piece, within the limits prescribed whether the difference of slide plate displacement when slide plate displacement and measurement standard spare in the time of only need comparing and measuring detection piece, just can judge whether these AAR three bearing pins are qualified, as then this detection piece is qualified within the limits prescribed, as then this detection piece is not defective within the limits prescribed, use these AAR three bearing pin pitch diameter cubings need not detect the concrete pitch radius of each AAR three bearing pin, can judge fast just whether the pitch diameter of AAR three bearing pins is qualified.Therefore these AAR three bearing pin pitch diameter cubings are used simple, easy to operate advantage, can satisfy batch production requirement.
More than the AAR three bearing pin pitch diameter cubings that the embodiment of the invention provided are described in detail; for one of ordinary skill in the art; thought according to the embodiment of the invention; part in specific embodiments and applications all can change; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (7)
1. AAR three bearing pin pitch diameter cubings, described AAR three bearing pins are provided with the roller mount of three spheries, it is characterized in that it comprises:
Base plate (21);
Traverse measurement mechanism (4), it comprises first guide rail (46), slide plate (41), described first guide rail (46) is connected with described base plate (21), described slide plate (41) can slide before and after described first guide rail (46), the front end of described slide plate (41) is provided with three measuring heads (43) that are positioned on the same sphere, and the outer peripheral face of this sphere and described roller mount is consistent;
Detent mechanism (3), be positioned at the front side of described traverse measurement mechanism, described detent mechanism comprises positioning seat (31), spring ringfeder (36), the core that rises (37), ringfeder screw (32), described positioning seat (31) is fixed on the described base plate (21), the described core that rises (37) is positioned at described positioning seat (31), the described core that rises (37) upper end is inserted in the described spring ringfeder (36) and with described ringfeder screw (32) and is connected, the lower end abutment of the described core that rises (37) is on a pressure spring (39), and described spring ringfeder (36) is positioned at described measuring head (43) top;
Resetting-mechanism (6), be positioned at the rear side of described traverse measurement mechanism (4), described resetting-mechanism (6) comprises a resetting block (61), and described resetting block (61) is fixed on the described base plate (21), and described resetting block (61) is connected with the rear end of described slide plate (41) by back-moving spring (62);
Linear measure longimetry mechanism (5) is connected with described slide plate (41) rear end.
2. AAR three bearing pin pitch diameter cubings according to claim 1, it is characterized in that: described traverse measurement mechanism (4) also comprises guide rail plate (44) and second guide rail (47), described guide rail plate (44) is fixed on the described base plate (21), described first guide rail (46) is fixed on the described guide rail plate (44), described second guide rail (47) is fixed on the described slide plate (41), is provided with roller between described first guide rail (46) and second guide rail (47).
3. AAR three bearing pin pitch diameter cubings according to claim 2, it is characterized in that: described roller is installed on the roller rolling retainer (48).
4. AAR three bearing pin pitch diameter cubings according to claim 1, it is characterized in that: also comprise a regulating sleeve (38), described regulating sleeve (38) is connected with described positioning seat (31) lower end, the described core that rises (37) lower end is stretched in the described regulating sleeve (38), and described pressure spring (39) is positioned at described regulating sleeve (38).
5. AAR three bearing pin pitch diameter cubings according to claim 1, it is characterized in that: described ringfeder screw (32) is connected with the described core that rises (37) by a thread spindle (34).
6. AAR three bearing pin pitch diameter cubings according to claim 1, it is characterized in that: described linear measure longimetry mechanism (5) comprises a dial gauge (52), described dial gauge (52) is fixed on the described base plate (21) by a dial framework (51), the gauge head (53) of described dial gauge (52) and described slide plate (41) back end in contact.
7. AAR three bearing pin pitch diameter cubings according to claim 1 is characterized in that: described spring ringfeder (36) is taper with the surface of contact of the described core that rises (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910201328 CN101709943B (en) | 2009-12-17 | 2009-12-17 | Implement for measuring pitch diameter of AAR three-pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910201328 CN101709943B (en) | 2009-12-17 | 2009-12-17 | Implement for measuring pitch diameter of AAR three-pin shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709943A CN101709943A (en) | 2010-05-19 |
| CN101709943B true CN101709943B (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910201328 Active CN101709943B (en) | 2009-12-17 | 2009-12-17 | Implement for measuring pitch diameter of AAR three-pin shaft |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102889841B (en) * | 2012-10-22 | 2015-03-25 | 无锡市迈日机器制造有限公司 | Gear M-value rapid diameter measuring jaw linkage mechanism |
| CN103615957A (en) * | 2013-12-11 | 2014-03-05 | 中国航空工业标准件制造有限责任公司 | Measuring tool for measuring size of D-shaped head |
| CN103673952B (en) * | 2013-12-31 | 2017-01-25 | 玉环普天单向器有限公司 | Device and method for measuring raceway of one-way overrunning clutch directional sleeve |
| CN116989635B (en) * | 2023-09-27 | 2023-12-15 | 万向钱潮股份公司 | Workpiece size measuring device and method |
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| CN101709943A (en) | 2010-05-19 |
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Owner name: SHANGHAI GKN HUAYU DRIVELINE SYSTEMS CO., LTD. Free format text: FORMER NAME: NATIEFU DRIVE SHAFTS CO., LTD., SHANGHAI |
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| CP01 | Change in the name or title of a patent holder |
Address after: 201315 Cambridge Road 950, Cambridge industry zone, Shanghai, Pudong Patentee after: Shanghai GKN Huayu Driveline Systems Co., Ltd. Address before: 201315 Cambridge Road 950, Cambridge industry zone, Shanghai, Pudong Patentee before: Natiefu Drive Shafts Co., Ltd., Shanghai |