CN201864762U - Clamping device for crankshaft vibratory stress relief - Google Patents
Clamping device for crankshaft vibratory stress relief Download PDFInfo
- Publication number
- CN201864762U CN201864762U CN2010206186995U CN201020618699U CN201864762U CN 201864762 U CN201864762 U CN 201864762U CN 2010206186995 U CN2010206186995 U CN 2010206186995U CN 201020618699 U CN201020618699 U CN 201020618699U CN 201864762 U CN201864762 U CN 201864762U
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- China
- Prior art keywords
- pressing plate
- nut
- bent axle
- crankshaft
- bolt
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- Expired - Lifetime
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Abstract
The utility model relates to a clamping device for crankshaft vibratory stress relief, which is provided with a clamp base, crankshaft pressing plates and two pairs of fixing seats. T-shaped nuts are mounted on the fixing seats, one end of each crankshaft pressing plate is connected with a flat-head bolt through a hinge pin, the lower portion of the flat-head bolt is connected with the T-shaped nuts, a pair of intermediate fixing seats is arranged between the two pairs of fixing seats on the clamp base, each intermediate fixing seat is provided with a T-shaped groove and a T-shaped nut, the upper portion of each T-shaped nut is matched with a screw to as to fix a spherical bolt connecting plate, the spherical bolt connecting plate is connected with a groove-shaped pressing plate through a spherical bolt and a nut, grooves at two ends of the groove-shaped pressing plate are respectively fastened with the other end of each of the two crankshaft pressing plates which are turned to the inside so as to closely clamp two crankshafts arranged under the two pairs of crankshaft pressing plates simultaneously. The clamping device is reasonable in structure, convenient in assembly, reliable in clamping and high in efficiency, is capable of clamping and fixing two stress relief crankshafts simultaneously each time, reduces labor intensity of operators, and is applicable to clamping shaft parts when in vibratory stress relief.
Description
Technical field
The utility model relates to a kind of gripping unit, specifically a kind of crankshaft vibrations timeliness gripping unit.Fixing use when it is suitable for axial workpiece and shakes timeliness.
Background technology
We know, in the axial workpiece manufacturing processed, since stressed or be heated inhomogeneously, innerly produce uneven plastic deformation, after processing, all there is unrelieved stress.Unrelieved stress is the major reason of hardware cracking or distortion, greatly influences the fatigue strength of hardware and the stability of dimensional precision.Eliminating unrelieved stress is crucial task of mechanical processing industry.Vibrations timeliness (VSR) be exactly by apply that vibrating method reduces or the homogenizing member in unrelieved stress, thereby the working strength of raising member reduces to be out of shape and the precision of stable dimensions.Bent axle also adopts this technology after roughing, solve the internal stress problem of metallic substance.When shaking timeliness at present, according to the mechanism requirement of electromagnetic shaker, bent axle is tiled on the vibrations base plate, and compresses, bent axle is clamped firmly with a plurality of bolts.The normal gripping unit that adopts is that pressing plate clamps, and compresses a bent axle and need screw four nuts respectively, and production efficiency is low, and labour intensity is big.
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, easy to assembly, clamps soon, and labour intensity is low, can compress the crankshaft vibrations timeliness gripping unit of two bent axles simultaneously.
The technical scheme in the invention for solving the above technical problem is: a kind of crankshaft vibrations timeliness gripping unit, the bent axle pressing plate that it is provided with clamp base and is provided with in pairs, permanent seat, electromagnetic shaker is installed on the clamp base, the permanent seat bottom is connected and fixed by screw and clamp base, which is provided with T-slot and T-nut one is installed, bent axle pressing plate one end is connected with gib-headed bolt by hinge pin, the gib-headed bolt bottom is connected with T-nut one, it is characterized in that also being provided with a pair of center fixed seat between two pairs of permanent seats on the described clamp base, also be provided with T-slot on the center fixed seat and T-nut two is installed, T-nut two tops are by being connected and fixed a spherical bolt web plate with screw fit, spherical bolt web plate top is connected a flute profile pressing plate by spherical bolt with nut, the two ends groove of flute profile pressing plate engages with the other end of the bent axle pressing plate of two switchings to the inside respectively, clamps two bent axles that are positioned at two pairs of bent axle pressing plate bottoms simultaneously.
Also be mounted with vee-block on the said clamp base of the utility model, vee-block places between center fixed seat and the permanent seat according to different neck of bent axle extension position, and bent axle is placed in the vee-block.
Also be provided with a hold-down nut and a clamping sleeve on the said gib-headed bolt of the utility model, clamping sleeve is installed in permanent seat top.Can be according to compacted neck of bent axle size, regulate the height of screwing of gib-headed bolt and T-nut one, transfer to the height of adaptation after, tighten hold-down nut, hold-down nut and clamping sleeve are fixed, thereby fix screwing highly of gib-headed bolt.
The said spherical bolt web plate of the utility model is provided with recessed ball hole and screw counter bore, and spherical bolt passes recessed ball hole, and top and the nut flute profile pressing plate that is connected also is with a spring on the spherical bolt of flute profile pressing plate below.Push down the bent axle pressing plate by the tight flute profile pressing plate of the adjustable seamless of fastening nut, and then compress bent axle.
The bulb of the said spherical bolt of the utility model and recessed ball hole are running fit, and spherical bolt can 360 ° of rotations.Compress bent axle so that regulate the bent axle pressing plate difference of height of different main neck formation.
The present invention adopts above-mentioned clamp mechanism, during use, can simultaneously two bent axles be positioned on the vee-block, and the bent axle pressing plate of switching is to the inside tightened the nut that is positioned at flute profile pressing plate top, just can compress two bent axles simultaneously.Against existing technologies, the utility model is rational in infrastructure, and is easy to assembly, low cost of manufacture, and highly versatile, the two timeliness axles that once can be fixedly clamped, reliable clamping has increased the quantity of a timeliness axle, and the efficient height has alleviated operator's labour intensity.Clamping is used when being suitable for that axial workpiece shaken timeliness.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model clamped condition.
Fig. 2 is that the A-A of Fig. 1 is to synoptic diagram.
1. gib-headed bolts among the figure, 2. bent axle pressing plate, 3.V shape piece, 4. spherical bolt web plate, 5. flute profile pressing plate, 6. nut, 7. spring, 8. spherical bolt, 9.T shape nut two, 10. screw, 11. the center fixed seat, 12. bent axles, 13. hinge pin, 14. hold-down nut, 15. clamping sleeves, 16.T shape nut one, 17. permanent seat, 18. screws, 19. clamp base.
Embodiment
From Fig. 1, Fig. 2 as can be seen, a kind of crankshaft vibrations timeliness gripping unit, it is provided with bent axle pressing plate 2 and permanent seats 17 that clamp base 19 and two pairs are provided with in pairs.On the clamp base 19 electromagnetic shaker is installed, permanent seat 17 bottoms are connected and fixed by screw 18 and clamp base 19, permanent seat 17 is provided with T-slot and T-nut 1 is installed, bent axle pressing plate 2 one ends are connected with gib-headed bolt 1 by hinge pin 13, and gib-headed bolt 1 bottom is connected with T-nut 1.
Also be provided with a hold-down nut 14 and a clamping sleeve 15 on the said gib-headed bolt 1 of the utility model, clamping sleeve 15 is installed by hold-down nut 14 and is pressed on permanent seat 17 tops.After gib-headed bolt 1 bottom is screwed into hold-down nut 14, passes clamping sleeve 15 and be connected with T-nut 1, T-nut 1 is packed in the T-slot of permanent seat 17.Can be according to compacted neck of bent axle size, regulate the height of screwing of gib-headed bolt 1 and T-nut 1, transfer to the height of adaptation after, tighten hold-down nut 14, hold-down nut 14 and clamping sleeve 15 are fixed, thereby fix the height of screwing of gib-headed bolt 1.
Characteristics of the present utility model are: also be provided with a pair of center fixed seat 11 between two pairs of permanent seats 17 on the clamp base 19, center fixed seat 11 bottoms are fixing with screw and clamp base 19.Also be provided with T-slot on the center fixed seat 11 and T-nut 29 is installed, according to the length of bent axle, T-nut 29 can move in T-slot, so that determine the bent axle axial compression position of different lengths.T-nut 29 tops and the screw 10 spherical bolt web plate 4 that is fixedly connected, spherical bolt web plate 4 tops are connected a flute profile pressing plate 5 by spherical bolt 8 with nut 6, the two ends groove of flute profile pressing plate 5 engages with the other end of the bent axle pressing plate 2 of two switchings to the inside respectively, clamps two bent axles 12 that are positioned at two pairs of bent axle pressing plate 2 bottoms simultaneously.
The said spherical bolt web plate 4 of the utility model is provided with recessed ball hole and screw counter bore, is connected with the T-nut 29 of center fixed seat 11 with screw 10.Spherical bolt 8 passes recessed ball hole, and top and the nut 6 flute profile pressing plate 5 that is connected also is with a spring 7 on the flute profile pressing plate 5 below spherical bolts 8.By the tight flute profile pressing plate 5 of fastening nut 6 adjustable seamlesses, push down bent axle pressing plate 2, and then compress bent axle.
When clamping assembling, spherical bolt 8 passes recessed ball borehole jack on the spherical bolt web plate 4 go into spring 7 after, bent axle pressing plate 2 is placed on bent axle 12 axle journals, again flute profile pressing plate 5 is aligned bent axle pressing plate 2 after, be inserted in spherical bolt 8, fastening nut 6 just can compress bent axle 12.Recessed ball hole on the bulb of said spherical bolt 8 and the spherical bolt web plate 4 is running fit, and spherical bolt 8 can 360 ° of rotations.Compress bent axle so that regulate the bent axle pressing plate difference of height of different main neck formation.
Also be mounted with vee-block 3 on the said clamp base 19 of the utility model, vee-block 3 places between center fixed seat 11 and the permanent seat 17 according to different bent axle 12 axle journal extension position, and bent axle 12 is placed in the vee-block 3.
When the present invention uses, with the six-cylinder crankshaft is example, earlier flute profile pressing plate 5 is rotated 90 ° and outside switching bent axle pressing plate 2, simultaneously two bent axles 12 are positioned on the vee-block 3 again, inside then switching bent axle pressing plate 2 is to main bearing journal, flute profile pressing plate 5 turns round 90 °, and the flute profile mouth at two ends is aligned, engages bent axle pressing plate 2.Tighten the nut 6 that is positioned at flute profile pressing plate 5 tops, just can compress two bent axles simultaneously.The utility model is rational in infrastructure, operation, easy to use, high efficiency, low cost of manufacture, highly versatile, the two timeliness axles that once can be fixedly clamped, reliable clamping has increased the quantity of a timeliness axle, clamp soon, the efficient height has alleviated operator's labour intensity.Clamping is used when being suitable for that axial workpiece shaken timeliness.
Claims (4)
1. crankshaft vibrations timeliness gripping unit, the bent axle pressing plate that it is provided with clamp base and is provided with in pairs, permanent seat, electromagnetic shaker is installed on the clamp base, the permanent seat bottom is connected and fixed by screw and clamp base, which is provided with T-slot and T-nut one is installed, bent axle pressing plate one end is connected with gib-headed bolt by hinge pin, the gib-headed bolt bottom is connected with T-nut one, it is characterized in that also being provided with a pair of center fixed seat between two pairs of permanent seats on the described clamp base, also be provided with T-slot on the center fixed seat and T-nut two is installed, T-nut two tops are by being connected and fixed a spherical bolt web plate with screw fit, spherical bolt web plate top is connected a flute profile pressing plate by spherical bolt with nut, the two ends groove of flute profile pressing plate engages with the other end of the bent axle pressing plate of two switchings to the inside respectively, clamps two bent axles that are positioned at two pairs of bent axle pressing plate bottoms simultaneously.
2. crankshaft vibrations timeliness gripping unit according to claim 1 is characterized in that: also be mounted with vee-block on the said clamp base, vee-block places between center fixed seat and the permanent seat, and bent axle is placed in the vee-block.
3. crankshaft vibrations timeliness gripping unit according to claim 1 is characterized in that: also be provided with a hold-down nut and a clamping sleeve on the said gib-headed bolt, clamping sleeve is installed in permanent seat top.
4. crankshaft vibrations timeliness gripping unit according to claim 1, it is characterized in that: said spherical bolt web plate is provided with recessed ball hole and screw counter bore, the bulb of spherical bolt and recessed ball hole are running fit, spherical bolt passes recessed ball hole, top and the nut flute profile pressing plate that is connected also is with a spring on the spherical bolt of flute profile pressing plate below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206186995U CN201864762U (en) | 2010-11-23 | 2010-11-23 | Clamping device for crankshaft vibratory stress relief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206186995U CN201864762U (en) | 2010-11-23 | 2010-11-23 | Clamping device for crankshaft vibratory stress relief |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201864762U true CN201864762U (en) | 2011-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206186995U Expired - Lifetime CN201864762U (en) | 2010-11-23 | 2010-11-23 | Clamping device for crankshaft vibratory stress relief |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201864762U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061376A (en) * | 2010-11-23 | 2011-05-18 | 天润曲轴股份有限公司 | Clamping device of crankshaft vibration stress relief |
| CN102717281A (en) * | 2012-07-02 | 2012-10-10 | 无锡市中达电机有限公司 | Dual-V block fixture for spindle keyseat of motor |
| CN106596004A (en) * | 2017-01-04 | 2017-04-26 | 南京工程学院 | RV speed reducer support stiffness testing device |
| CN106736497A (en) * | 2016-12-09 | 2017-05-31 | 江苏理工学院 | The many bent axle centering toolings of assorted fibre multiple-axial warp knitting machine and centering method based on telescope |
| CN107813170A (en) * | 2017-11-06 | 2018-03-20 | 无锡鹰贝精密轴承有限公司 | Valve element milling sulculus quick clamping tool |
-
2010
- 2010-11-23 CN CN2010206186995U patent/CN201864762U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061376A (en) * | 2010-11-23 | 2011-05-18 | 天润曲轴股份有限公司 | Clamping device of crankshaft vibration stress relief |
| CN102061376B (en) * | 2010-11-23 | 2012-05-23 | 天润曲轴股份有限公司 | Clamping device of crankshaft vibration stress relief |
| CN102717281A (en) * | 2012-07-02 | 2012-10-10 | 无锡市中达电机有限公司 | Dual-V block fixture for spindle keyseat of motor |
| CN106736497A (en) * | 2016-12-09 | 2017-05-31 | 江苏理工学院 | The many bent axle centering toolings of assorted fibre multiple-axial warp knitting machine and centering method based on telescope |
| CN106596004A (en) * | 2017-01-04 | 2017-04-26 | 南京工程学院 | RV speed reducer support stiffness testing device |
| CN107813170A (en) * | 2017-11-06 | 2018-03-20 | 无锡鹰贝精密轴承有限公司 | Valve element milling sulculus quick clamping tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20120509 |