CN211803991U - Crankshaft lightening hole clamp - Google Patents
Crankshaft lightening hole clamp Download PDFInfo
- Publication number
- CN211803991U CN211803991U CN201922400103.8U CN201922400103U CN211803991U CN 211803991 U CN211803991 U CN 211803991U CN 201922400103 U CN201922400103 U CN 201922400103U CN 211803991 U CN211803991 U CN 211803991U
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- fixed
- seat
- supporting seat
- crankshaft
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Abstract
The utility model provides a bent axle lightening hole anchor clamps, it includes bottom plate, positioning seat, first fixing base and second fixing base, be fixed with positioning seat, first fixing base and second fixing base on the bottom plate, the positioning seat includes pedestal and two gaskets, two gaskets are fixed on the pedestal, the pedestal is fixed on the bottom plate, first fixing base and second fixing base all include supporting seat, clamp plate, bolt and nut, the supporting seat is fixed on the bottom plate, the bolt fastening is on the supporting seat, clamp plate one end is connected with the supporting seat hinge, and the other end passes through nut and bolt fastening, has seted up the through-hole on keeping away from the seat supporting seat of location, and this bent axle lightening hole anchor clamps can make the bent axle install more fast on anchor clamps.
Description
Technical Field
The utility model relates to a bent axle lightening hole processing field especially relates to a bent axle lightening hole anchor clamps.
Background
The lightening holes in the shaft necks of the crankshaft can improve stress distribution of fillets, improve fatigue strength of the crankshaft and enhance strength of the crankshaft, but the lightening holes are located on the side faces of the shaft necks of the second connecting rod and the third connecting rod, so that machining difficulty is high, a lightening hole fixture is required, the fixing mode of the conventional lightening hole fixture is complex, the shaft necks of the second connecting rod and the third connecting rod on the crankshaft are aligned with the fixture after the crankshaft is placed on the positioning device, and the crankshaft is not quickly aligned by the positioning device, so that the crankshaft is complex to install on the lightening hole fixture.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an it is faster that enables bent axle installation on anchor clamps bent axle lightening hole anchor clamps.
The technical scheme of the utility model is realized like this: the utility model provides a crankshaft lightening hole clamp, which comprises a bottom plate, a positioning seat, a first fixing seat and a second fixing seat, wherein the positioning seat, the first fixing seat and the second fixing seat are fixed on the bottom plate, the positioning seat comprises a seat body and two gaskets, the two gaskets are fixed on the seat body, the seat body is fixed on the bottom plate, the first fixing seat comprises a first supporting seat, a first pressing plate, a first bolt and a first nut, the first supporting seat is fixed on the bottom plate, the first bolt is fixed on the first supporting seat, one end of the first pressing plate is hinged with the first supporting seat, the other end is fixed with the first bolt through the first nut, the second fixing seat comprises a second supporting seat, a second pressing plate, a second bolt and a second nut, the second bolt is fixed on the bottom plate, the second bolt is fixed on the second supporting seat, one end of the second pressing plate is hinged with the second supporting seat, the other end of the second pressing plate is fixed with the second bolt through a second nut, and a through hole is formed in the second supporting seat.
On the basis of the technical scheme, the automatic feeding device is preferred to further comprise a base, wherein the base comprises a bearing plate and a fixing plate, the fixing plate is fixed on the bearing plate, and a bottom plate is fixed on the fixing plate.
Further preferably, the base further comprises a plurality of third bolts, the fixing plate is provided with a plurality of first threaded holes, the base plate is provided with a plurality of second threaded holes, each first threaded hole corresponds to each second threaded hole, and each third bolt is in threaded connection with the first threaded hole and the second threaded hole to fix the base and the base plate.
Preferably, the number of the first threaded holes and the number of the second threaded holes are four, two of the four second threaded holes are located on one side of the first fixed seat, the other two second threaded holes are located on the other side of the first fixed seat, and the included angle between the connecting line between the two second threaded holes located on any side of the first fixed seat and the length direction of the first fixed seat is 0-50 degrees.
Further preferably, the support device further comprises two fixing blocks and two first screws, wherein third threaded holes are formed in the two fixing blocks, fourth threaded holes are correspondingly formed in the first supporting seat and the second supporting seat, and the two fixing blocks are respectively fixed to the first supporting seat and the second supporting seat through the two first screw in threaded connection with the third threaded holes and the fourth threaded holes.
Further preferably, the seat further comprises two second screws, wherein the two gaskets are respectively provided with a fifth threaded hole, the seat body is correspondingly provided with two sixth threaded holes, and the two second screws are in threaded connection with the fifth threaded holes and the sixth threaded holes so that the two gaskets are fixed with the seat body.
Further preferably, the two fixing blocks are both semicircular rings.
The utility model discloses a bent axle lightening hole anchor clamps have following beneficial effect for prior art:
(1) by arranging the positioning seat, the positioning seat comprises a seat body and two gaskets, the two gaskets are fixed on the seat body, and the seat body is fixed on the bottom plate, so that the crankshaft is installed on the clamp more quickly;
(2) the base is fixed with the bottom plate by arranging the plurality of first threaded holes in the fixing plate and arranging the plurality of second threaded holes in the bottom plate, each first threaded hole corresponds to each second threaded hole, and each third bolt is in threaded connection with the first threaded hole and the second threaded hole to fix the base and the bottom plate, so that horizontal machining is changed into vertical machining, a drilling machine can vertically machine lightening holes, a horizontal drilling machine does not need to be specially customized, and the cost is saved;
(3) two of the four second threaded holes are positioned on one side of the first fixed seat, the other two second threaded holes are positioned on the other side of the first fixed seat, and included angles between a connecting line between the two second threaded holes positioned on any side of the first fixed seat and the length direction of the first fixed seat are 0-50 degrees, so that a drill bit on a drilling machine can directly vertically downwards process lightening holes without adjusting the processing direction, and the lightening holes form an included angle with the central line of a crankshaft journal.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of a crankshaft lightening hole clamp of the present invention;
fig. 2 is a perspective view of a base of the crankshaft lightening hole clamp of the present invention;
fig. 3 is a perspective view of the base plate and the base of the crankshaft lightening hole clamp according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, with reference to fig. 2 and 3, the crankshaft lightening hole clamp of the present invention includes a bottom plate 1, a base 2, a positioning seat 3, a first fixing seat 4, a second fixing seat 5 and a fixing block 6.
The base plate 1 is fixed with a positioning seat 3, a first fixing seat 4 and a second fixing seat 5, the positioning seat 3 includes a seat body 31 and two gaskets 32, the two gaskets 32 are fixed on the seat body 31, the seat body 31 is fixed on the base plate 1, the first fixing seat 4 includes a first supporting seat 41, a first pressing plate 42, a first bolt 43 and a first nut 44, the first supporting seat 41 is fixed on the base plate 1, the first bolt 43 is fixed on the first supporting seat 41, one end of the first pressing plate 42 is hinged with the first supporting seat 41, the other end is fixed with the first bolt 43 through the first nut 44, the second fixing seat 5 includes a second supporting seat 51, a second pressing plate 52, a second bolt 53 and a second nut 54, the second supporting seat 51 is fixed on the base plate 1, the second bolt 53 is fixed on the second supporting seat 51, one end of the second pressing plate 52 is hinged with the second supporting seat 51, the other end is fixed with a second bolt 53 through a second nut 54, and a through hole 511 is formed on the second support seat 51. Thus, when the lightening hole on the crankshaft is machined, the crankshaft is arranged in the fixture, the crankshaft journal is in contact with the upper end faces of the first supporting seat 41 and the second supporting seat 51, the crankshaft is rotated, the crankshaft first connecting rod journal is abutted to the two gaskets 32, the two gaskets 32 clamp the crankshaft first connecting rod journal, circumferential positioning is guaranteed, the through hole 511 is aligned to the third connecting rod journal, the first nut 44 and the second nut 54 are screwed tightly to clamp the crankshaft, the drilling machine rocker is adjusted at the moment, the center of the drill bit is aligned to the center of the through hole 511, the drilling machine rocker is locked to be machined, the crankshaft is turned and clamped after one lightening hole is machined, the crankshaft fourth connecting rod journal is abutted to the two gaskets 32, and the other lightening hole is machined. Therefore, the crankshaft lightening hole can be conveniently and quickly machined.
The base 2 comprises a bearing plate 21 and a fixing plate 22, the fixing plate 22 is fixed on the bearing plate 21, and the bottom plate 1 is fixed on the fixing plate 22. Therefore, horizontal machining can be changed into vertical machining, the drilling machine can vertically machine the lightening hole, the horizontal drilling machine does not need to be specially customized, and the cost is saved.
Specifically, the base plate further comprises a plurality of third bolts, a plurality of first threaded holes 23 are formed in the fixing plate 22, a plurality of second threaded holes 11 are formed in the base plate 1, each first threaded hole 23 corresponds to each second threaded hole 11, and each third bolt is screwed with the first threaded hole 23 and the second threaded hole 11 to fix the base 2 and the base plate 1, so that the base plate 1 is fixed on the fixing plate 22.
More specifically, the number of the first threaded holes 23 and the number of the second threaded holes 11 are four, two of the four second threaded holes 11 are located on one side of the first fixing seat 4, the other two second threaded holes 11 are located on the other side of the first fixing seat 4, and an included angle between a connecting line between the two second threaded holes 11 located on any side of the first fixing seat 4 and the length direction of the first fixing seat 4 is 0-50 degrees. Therefore, the drill bit on the drilling machine can directly vertically and downwards process the lightening hole without adjusting the processing direction, and an included angle is formed between the lightening hole and the central line of the crankshaft journal. Specifically, the included angle between the connecting line between the two second threaded holes 11 positioned at any side of the first fixed seat 4 and the length direction of the first fixed seat 4 is 0 degree, or the included angle between the connecting line between the two second threaded holes 11 positioned at any side of the first fixed seat 4 and the length direction of the first fixed seat 4 is 10 degrees, or the included angle between the connecting line between the two second threaded holes 11 positioned at any side of the first fixed seat 4 and the length direction of the first fixed seat 4 is 20 degrees, or the included angle between the connecting line between the two second threaded holes 11 positioned at any side of the first fixed seat 4 and the length direction of the first fixed seat 4 is 30 degrees, or the included angle between the connecting line between the two second threaded holes 11 positioned at any side of the first fixed seat 4 and the length direction of the first fixed seat 4 is 40 degrees, or the included angle between the connecting line between the two second threaded holes 11 positioned on any side of the first fixed seat 4 and the length direction of the first fixed seat 4 is 50 degrees. More specifically, the included angle between the connecting line between the two second threaded holes 11 located on any side of the first fixed seat 4 and the length direction of the first fixed seat 4 is 12 degrees, at this time, the included angle between the lightening hole and the central line of the crankshaft journal is 12 degrees, and the corresponding crankshaft has the highest fatigue resistance. Specifically, the included angle between the connecting line between the two second threaded holes 11 located on any side of the first fixed seat 4 and the length direction of the first fixed seat 4 depends on the requirement of a customer on the size of the included angle between the crankshaft lightening hole and the central line of the crankshaft journal.
The positioning seat 3 is used for positioning the installation position of the crankshaft in the crankshaft lightening hole fixture. Specifically, the positioning seat 3 includes a seat body 31 and two gaskets 32, the two gaskets 32 are fixed on the seat body 31, and the seat body 31 is fixed on the bottom plate 1. After the crankshaft is placed on the first fixing seat 4 and the second fixing seat 5, the crankshaft first connecting rod journal is abutted to the two gaskets 32 by moving the crankshaft, the two gaskets 32 clamp the crankshaft first connecting rod journal, circumferential positioning is guaranteed, the through hole 511 is aligned to the third connecting rod journal, and the crankshaft can be fixed after being installed. The two spacers 32 may also serve a partial securing function.
Specifically, the two gaskets 32 are respectively provided with a fifth threaded hole 321, the seat body 31 is correspondingly provided with two sixth threaded holes, and the two second screws are screwed with the fifth threaded holes 321 and the sixth threaded holes to fix the two gaskets 32 and the seat body 31. Therefore, the sizes of the two gaskets 32 can be adjusted according to the types of the crankshafts, so that the crankshaft journals are clamped and positioned by the gaskets 32, the through holes 511 are aligned to the connecting rod journals to be machined, and the crankshafts of different types can be machined by using the crankshaft lightening hole clamp.
The first fixing seat 4 and the second fixing seat 5 are used for fixing the crankshaft. Specifically, the first fixing seat 4 includes a first supporting seat 41, a first pressing plate 42, a first bolt 43 and a first nut 44, the first supporting seat 41 is fixed on the bottom plate 1, the first bolt 43 is fixed on the first supporting seat 41, one end of the first pressing plate 42 is hinged to the first supporting seat 41, the other end of the first pressing plate is fixed to the first bolt 43 through the first nut 44, the second fixing seat 5 includes a second supporting seat 51, a second pressing plate 52, a second bolt 53 and a second nut 54, the second supporting seat 51 is fixed on the bottom plate 1, the second bolt 53 is fixed to the second supporting seat 51, one end of the second pressing plate 52 is hinged to the second supporting seat 51, the other end of the second pressing plate is fixed to the second bolt 53 through the second nut 54, and the second supporting seat 51 is provided with a through hole 511. The crankshaft can be placed on the first fixing seat 4 and the second fixing seat 5 by unscrewing the first nut 44 and the second nut 54 and rotating the first pressing plate 42 and the second pressing plate 52 to leave the first bolt 43 and the second bolt 53, then the crankshaft can be placed on the first fixing seat 4 and the second fixing seat 5 by rotating the first pressing plate 42 and the second pressing plate 52, the crankshaft can be fixed by screwing the first nut 44 and the second nut 54, the through hole 511 is used for aligning with a connecting rod journal to be processed, and the crankshaft can be processed by the drill bit through the through hole 511.
The fixed blocks 6 are used for fixing the crankshaft together with the first pressing plate 42 and the second pressing plate 52, the number of the fixed blocks 6 is two, third threaded holes 61 are formed in the two fixed blocks 6, fourth threaded holes are correspondingly formed in the first supporting seat 41 and the second supporting seat 51, and the two fixed blocks 6 are fixed to the first supporting seat 41 and the second supporting seat 51 respectively through the two first screw bolt connection third threaded holes 61 and the fourth threaded holes. So, can adjust the size of two fixed blocks 6 according to the model of bent axle, make the bent axle homoenergetic of different models use bent axle lightening hole anchor clamps to process, if the bent axle is less, then use great fixed block 6. Preferably, the fixing block 6 is in a semicircular ring shape, so that the crankshaft is fixed more tightly.
The crankshaft lightening hole fixture has the working principle that the base plate 1 and the base 2 are placed on a drilling machine, a crankshaft is arranged in the fixture on the base plate 1, a crankshaft journal is in contact with the upper end faces of the first supporting seat 41 and the second supporting seat 51, the crankshaft is rotated to enable the crankshaft first connecting rod journal to be abutted against the two gaskets 32, the two gaskets 32 clamp the crankshaft first connecting rod journal to ensure circumferential positioning, the through hole 511 is aligned with the third connecting rod journal, the first nut 44 and the second nut 54 are screwed tightly to clamp the crankshaft, the drilling machine rocker is adjusted at the moment to enable the center of the drill bit to be aligned with the center of the through hole 511, the drilling machine rocker is locked to enable the drill bit to be vertically downwards processed, after one lightening hole is processed, the crankshaft is turned and clamped, the crankshaft fourth connecting rod journal of the crankshaft is abutted against the two gaskets 32.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a bent axle lightening hole anchor clamps, its includes bottom plate (1), positioning seat (3), first fixing base (4) and second fixing base (5), its characterized in that: the positioning seat (3), the first fixing seat (4) and the second fixing seat (5) are fixed on the base plate (1), the positioning seat (3) comprises a seat body (31) and two gaskets (32), the two gaskets (32) are fixed on the seat body (31), the seat body (31) is fixed on the base plate (1), the first fixing seat (4) comprises a first supporting seat (41), a first pressing plate (42), a first bolt (43) and a first nut (44), the first supporting seat (41) is fixed on the base plate (1), the first bolt (43) is fixed on the first supporting seat (41), one end of the first pressing plate (42) is hinged with the first supporting seat (41), the other end of the first pressing plate is fixed with the first bolt (43) through the first nut (44), and the second fixing seat (5) comprises a second supporting seat (51), a second pressing plate (52), The second bolt (53) and the second nut (54), the second supporting seat (51) is fixed on the bottom plate (1), the second bolt (53) is fixed on the second supporting seat (51), one end of the second pressing plate (52) is hinged with the second supporting seat (51), the other end of the second pressing plate is fixed with the second bolt (53) through the second nut (54), and the second supporting seat (51) is provided with a through hole (511).
2. The crankshaft lightening hole clamp of claim 1, wherein: still include base (2), base (2) include bearing plate (21) and fixed plate (22), be fixed with fixed plate (22) on bearing plate (21), be fixed with bottom plate (1) on fixed plate (22).
3. The crankshaft lightening hole clamp of claim 2, wherein: the base is characterized by further comprising a plurality of third bolts, a plurality of first threaded holes (23) are formed in the fixing plate (22), a plurality of second threaded holes (11) are formed in the base plate (1), each first threaded hole (23) corresponds to each second threaded hole (11), and each third bolt is in threaded connection with the first threaded hole (23) and the second threaded hole (11) to enable the base (2) to be fixed with the base plate (1).
4. The crankshaft lightening hole clamp of claim 3, wherein: the number of the first threaded holes (23) and the number of the second threaded holes (11) are four, two of the four second threaded holes (11) are located on one side of the first fixing seat (4), the other two second threaded holes (11) are located on the other side of the first fixing seat (4), and the included angle between the connecting line between the two second threaded holes (11) located on any side of the first fixing seat (4) and the length direction of the first fixing seat (4) is 0-50 degrees.
5. The crankshaft lightening hole clamp of claim 3, wherein: still include two fixed blocks (6) and two first screw rods, third screw hole (61) have all been seted up on two fixed blocks (6), all correspond on first supporting seat (41) and second supporting seat (51) and seted up the fourth screw hole, two first screw rod spiro union third screw holes (61) and fourth screw hole make two fixed blocks (6) fixed with first supporting seat (41) and second supporting seat (51) respectively.
6. The crankshaft lightening hole clamp of claim 5, wherein: the two gaskets (32) are provided with fifth threaded holes (321), the base body (31) is correspondingly provided with two sixth threaded holes, and the two second threaded rods are in threaded connection with the fifth threaded holes (321) and the sixth threaded holes to fix the two gaskets (32) and the base body (31).
7. The crankshaft lightening hole clamp of claim 5, wherein: the two fixing blocks (6) are both semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400103.8U CN211803991U (en) | 2019-12-27 | 2019-12-27 | Crankshaft lightening hole clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400103.8U CN211803991U (en) | 2019-12-27 | 2019-12-27 | Crankshaft lightening hole clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211803991U true CN211803991U (en) | 2020-10-30 |
Family
ID=73036059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922400103.8U Active CN211803991U (en) | 2019-12-27 | 2019-12-27 | Crankshaft lightening hole clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211803991U (en) |
-
2019
- 2019-12-27 CN CN201922400103.8U patent/CN211803991U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A crankshaft weight reduction hole fixture Granted publication date: 20201030 Pledgee: Agricultural Bank of China Danjiangkou Branch Pledgor: DANJIANGKOU DONGFA CRANKSHAFT Co.,Ltd. Registration number: Y2024980014834 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |