CN102814677B - Angle-adjustable crankshaft oil hole drilling clamp - Google Patents
Angle-adjustable crankshaft oil hole drilling clamp Download PDFInfo
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- CN102814677B CN102814677B CN201210332352.8A CN201210332352A CN102814677B CN 102814677 B CN102814677 B CN 102814677B CN 201210332352 A CN201210332352 A CN 201210332352A CN 102814677 B CN102814677 B CN 102814677B
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Abstract
The invention discloses an angle-adjustable crankshaft oil hole drilling clamp which comprises a clamping mechanism and an angle adjusting mechanism. The clamping mechanism comprises an N-claw chuck and a rotating handle. The N-claw chuck comprises clamping claws and a chuck body. The angle adjusting mechanism comprises a supporting base, an angle adjusting gear and a guiding plate. A base bolt hole is arranged on the supporting base, a gear bolt hole is arranged at the center of the angle adjusting gear, a guiding plate bolt hole is arranged on the guiding plate, and a fastening bolt penetrates through the guiding plate bolt hole, the gear bolt hole and the base bolt hole sequentially to fixedly connect the guiding plate and the angel adjusting gear with the supporting base. The angle adjusting gear drives the guiding plate to rotate on the supporting base, and the upper surface of the guiding plate is connected with the bottom of the chuck body. The crankshaft oil hole drilling clamp can machine oil holes with different angles without replacing clamps.
Description
Technical field
The present invention relates to a kind of fixture, relate in particular to a kind of fixture for crankshaft oil hole boring.
Background technology
The drilling mode of crankshaft oil hole, generally adopts bent axle fixedly to lay, and oil-hole drill moves around with respect to bent axle, thereby drills through the oilhole of different parts.Due to oil-hole drill lay required precision very high and be difficult to operation, the oilhole error that this mode is processed is larger, percent defective is higher.In addition, for the bent axle of different model, its oilhole angle, main shaft diameter are different with the size of connecting rod diameter, this has just caused the bent axle of different model need to use different boring grabs, have that between various different fixtures, versatility is poor, manufacturing cost is high, clamp-replacing often, the defect such as efficiency is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of crankshaft oil hole boring grab that needn't change fixture and just can process different angles oilhole.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is to provide the adjustable crankshaft oil hole boring grab of a kind of angle, comprise clamp mechanism, described clamp mechanism comprises N dog chuck and rotary handle, N is greater than 1 natural number, described N dog chuck comprises claw and chuck body, described crankshaft oil hole boring grab also comprises angle adjusting mechanism, described angle adjusting mechanism comprises base for supporting, angular adjustment gear and guide plate, described base for supporting is provided with bolt of lower base hole, described angular adjustment gear centre is provided with gear bolt hole, described guide plate is provided with guide plate bolt hole, described guide plate bolt hole, gear bolt hole and bolt of lower base hole are concentric and measure-alike, fastening bolt is successively through guide plate bolt hole, gear bolt hole and bolt of lower base hole, by guide plate, angular adjustment gear is fixedly connected with base for supporting, described in angular adjustment gear driven, guide plate rotates on described base for supporting, described guide plate upper surface is connected with described chuck body bottom.
Adopt the clamp mechanism of N dog chuck can realize the fixing of different-diameter bent axle, and angle adjusting mechanism is by angular adjustment gear driven crankshaft rotating, regulates the position of bent axle with respect to oil-hole drill, realizes drilling through of different angles oilhole.
As preferably, described angle adjusting mechanism also comprises steel ball and fixed mount, described fixed mount is along the circumferential direction provided with through hole, clear size of opening mates with described steel ball, on base for supporting taking described bolt of lower base hole as the center of circle, be provided with in a circumferential direction base groove, on angular adjustment gear taking described gear bolt hole as the center of circle, be provided with in a circumferential direction gear groove, described base groove is identical and relative with described gear groove size, described steel ball embeds in the through hole of described fixed mount, and steel ball upper and lower surface is tangent with gear groove and base groove respectively.Steel ball rolls in gear groove and brace groove, has reduced friction when angular adjustment gear rotates, and realizes the level and smooth rotation of angular adjustment gear.The existence of fixed mount remains unchanged steel ball relative position.
As preferably, on described base for supporting, be provided with fixed mount chute near base groove outer radius, described fixed mount is just in time shelved on described fixed mount chute.Fixed mount is shelved on fixed mount chute, fixes fixed mount position, thereby has indirectly fixed the position of steel ball, avoids fixed mount to be slipped to base groove bottom and does not have the effect of stationary balls.
As preferably, described angle adjusting mechanism also comprises detent mechanism, the base of described detent mechanism is provided with detent mechanism through hole, described base for supporting upper surface both sides are provided with whorl of base hole, described detent mechanism through hole is corresponding one by one with described whorl of base hole, trip bolt is fixedly connected with detent mechanism with base for supporting, described detent mechanism comprises telescopic location tooth bar, detent mechanism solenoid and detent mechanism spring, detent mechanism spring one end is connected with detent mechanism body, the other end is connected with location tooth bar, after the energising of detent mechanism solenoid, attract described detent mechanism spring contraction, drive described location tooth bar and described angular adjustment gear to separate, described angular adjustment gear rotates along the center of circle, after the power-off of detent mechanism solenoid, described detent mechanism spring is upheld, drive described location tooth bar to engage with described angular adjustment gear.When the existence of detent mechanism is rotated angular adjustment gear, precision is higher, and rotation that can teeth of teeth, realizes accurately drilling through of bent axle different angles oilhole.
As preferably, described crankshaft oil hole boring grab also comprises position adjusting mechanism, described position adjusting mechanism comprises clamp body and slide block, described clamp body is fixedly connected with described chuck body, described clamp body bottom is arranged with at least two support bars, described support bar bottom is connected with described slide block, the upper surface symmetry of described guide plate has twice direction recess, direction recess size is mated with described slide block, slide in described direction recess by described slide block, described slide block drives described clamp mechanism moving linearly on described guide plate by support bar.Slidable position adjusting mechanism can be realized bent axle fixing of different length on the one hand, can realize on the one hand the entirety of bent axle on slide rail and slide, thereby realize the oilhole that drills through bent axle different parts.
As preferably, on described direction recess inwall, have pin-and-hole, described slide block comprises slider electrical magnetic coil, telescopic straight pin and sliding block spring, sliding block spring one end is connected with straight pin, the other end is connected with slider electrical magnetic coil, slider electrical magnetic coil is fixedly connected with slide block, after the energising of slider electrical magnetic coil, attract sliding block spring to shrink, drive straight pin to shrink, slide block slides along direction recess, after the power-off of slider electrical magnetic coil, sliding block spring is upheld, and drives straight pin to stretch out, straight pin is embedded in described pin-and-hole, and slide block is fixedly connected with guide plate.Adopt electric expansion straight pin, can realize the fixing of slide block and guide plate, the location of pin-and-hole on guide plate, while making the entirety slip of bent axle on slide rail, precision is higher, displacement that can a pin-and-hole of a pin-and-hole.
As preferably, described support bar bottom has through hole, and described slide block is provided with slide block through hole, and the through hole of described support bar bottom is identical with described slide block clear size of opening, and bolt is through this two through hole, by hinged to support bar and slide block.
As preferably, the bottom of described chuck body is provided with chuck through hole, and the upper surface of described clamp body is provided with the clamp body screwed hole corresponding with described chuck lead to the hole site, and screw is fixedly connected with clamp body with chuck body.
As preferably, described position adjusting mechanism also comprises adjusting screw mandrel, and described adjusting screw mandrel two ends car has external screw thread, and centre position, described clamp body bottom is provided with contiguous block, and described contiguous block hollow has screwed hole, forms and is threaded with described adjusting screw mandrel.Regulate screw mandrel can realize the fine adjustment of position between two clamp bodies, behind the position of the clamp body of secured adjusted screw mandrel and one end, by rotation screw thread, the position of fine adjustment other end clamp body.
As preferably, the bottom of described chuck body raises up and is provided with ribs and is connected with claw.Ribs plays the effect of supporting stationary jaw, makes more stable being fixed on chuck body of claw.
Beneficial effect: eventually the above, in the time of the bent axle of processing different length, can rotate adjusting screw mandrel, regulate the relative position of two clamp bodies, realize the gripping of the bent axle of different length, regulative mode is convenient, flexible; While processing the bent axle of different-diameter, only need to rotate rotary handle, realize clamping and dismounting; While processing the oilhole of different parts, only the straight pin of slide block need be shunk, two clamp bodies of integrated moving, can realize the adjustment of crank position; When processing multi-angle oilhole, without dismounting, only angular adjustment gear need be rotated to corresponding angle, can realize the processing of multi-angle oilhole.Contrast prior art, crankshaft oil hole boring grab structure of the present invention is more reasonable, low cost of manufacture, is applicable to the processing of the oilhole of dissimilar bent axle different angles, and efficiency is higher, processing is more convenient.
Brief description of the drawings
By reference to the accompanying drawings, the other features and advantages of the invention can become clearer from the explanation of the preferred embodiment that principle of the present invention made an explanation below by giving an example.
Fig. 1 is a kind of embodiment entirety assembling schematic diagram of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Fig. 2 is the 3-D solid structure schematic diagram of clamp mechanism in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Fig. 3 is the 3-D solid structure schematic diagram of clamp body in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Fig. 4 is the 3-D solid structure schematic diagram of guide plate in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Fig. 5 is the 3-D solid structure schematic diagram of angle adjusting mechanism in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Fig. 6 is the 3-D solid structure schematic diagram of angular adjustment gear in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Fig. 7 is the 3-D solid structure schematic diagram of base for supporting in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Fig. 8 is the 3-D solid structure schematic diagram of slide block in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Fig. 9 is the internal structure schematic diagram of slide block in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Figure 10 is the 3-D solid structure schematic diagram of detent mechanism in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
Figure 11 is the internal structure schematic diagram of detent mechanism in a kind of embodiment of the adjustable crankshaft oil hole boring grab of angle of the present invention;
In a kind of embodiment of Figure 12 angle of the present invention is adjustable crankshaft oil hole boring grab, fixed mount is installed on the 3-D solid structure schematic diagram of fixed mount chute;
In figure: 1-base for supporting, 2-guide plate, 3-clamp body, 4-N dog chuck, 5-bent axle, 6-regulates screw mandrel, 7-fastening bolt, 8-screw, 9-bolt, 10-angular adjustment gear, 11-trip bolt, 12-detent mechanism, 13-chuck through hole, 14-chuck body, 15-rotary handle, 16-ribs, 17-claw, 18-support bar, 19-clamp body screwed hole, 20-contiguous block, 21-direction recess, 22-guide plate bolt hole, 23-pin-and-hole, 24-steel ball, 25-fixed mount, 26-gear bolt hole, 27-gear groove, 28-whorl of base hole, 29-bolt of lower base hole, 30-base groove, 31-slide block, 32-straight pin, 33-slide block through hole, 34-slider electrical magnetic coil, 35-sliding block spring, 36-locates tooth bar, 37-detent mechanism through hole, 38-detent mechanism solenoid, 39-detent mechanism spring, 40-fixed mount chute.
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Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail:
As shown in Figure 1, the adjustable crankshaft oil hole boring grab of angle mainly comprises that base for supporting 1, guide plate 2, clamp body 3, N dog chuck 4(embodiment select chuck), regulate screw mandrel 6, angular adjustment gear 10 and detent mechanism 12.Clamp mechanism is fixedly clamped bent axle 5 on clamp body 3.Between clamp mechanism and position adjusting mechanism, be fixedly connected with screw 8, between detent mechanism and base for supporting, be fixedly connected with trip bolt 11.
As shown in Figure 2, clamp mechanism comprises chuck and rotary handle 15.Chuck, for conventional chuck, mainly comprises chuck body 14, chuck through hole 13, ribs 16 and claw 17.When rotating when rotary handle 15, due to the special structure of chuck will make four claws simultaneously to center near or exit, realize clamping and the dismounting of bent axle.
As shown in Figure 3, clamp body 3 comprises contiguous block 20, support bar 18 and clamp body screwed hole 19.Four support bar symmetries are installed on clamp body bottom, and each support bar lower end has through hole, and this through hole is to carry out hinged bolt hole with slide block.Clamp body is provided with the clamp body screwed hole 19 corresponding with chuck through hole 13 positions, realizes being fixedly connected with of clamp body and chuck by screw 8.Contiguous block 20 is positioned at clamp body 3 bottom centre positions, and contiguous block 20 has screwed hole, and this hole is threaded with regulating screw mandrel 6 two ends, regulates screw mandrel by rotation, regulates the relative position between two clamp bodies.
As shown in Figure 4, guide plate 2 in the longitudinal direction symmetry has twice direction recess 21, and on direction recess 21 both sides inwalls, symmetry has several pin-and-holes 23, and guide plate 2 centers have guide plate bolt hole 22.
As shown in Figure 8, Figure 9, slide block 31 comprises slider electrical magnetic coil 34, telescopic straight pin 32, sliding block spring 35 box slide block through holes 33.Slide block through hole and support bar 18 bottom through-holes are measure-alike, for construction bolt 9, realize the hinged of slide block 31 and support bar 18.Sliding block spring 35 one end are connected with straight pin 32, and the other end is connected with slider electrical magnetic coil 34, and slider electrical magnetic coil 34 is fixedly connected with slide block 31.Sliding block spring is in the time of free state, and straight pin stretches out outside slide body, produces suction in the time that slider electrical magnetic coil is switched on, and straight pin compression sliding block spring is retracted in slide body.In the time that straight pin is shunk by suction, slide block and direction recess are slidably matched, and slide along direction recess, in the time of the power-off of slider electrical magnetic coil, when straight pin stretches out under the effect of sliding block spring, straight pin is embedded in a pin-and-hole of direction recess inwall, and slide block is fixedly connected with guide plate.
As shown in Figure 5, angle adjusting mechanism comprises angular adjustment gear 10, base for supporting 1, fixed mount 25 and steel ball 24.As shown in Figure 6, angular adjustment gear centre position has gear bolt hole 26 to the concrete structure of angular adjustment gear 10, along having gear groove 27 in center circumferential direction.The concrete structure of base for supporting 1 as shown in Figure 7, base for supporting upper surface symmetry has eight whorl of base holes 28, center has bolt of lower base hole 29, and along having base groove 30 in center circumferential direction, base groove outer radius has the fixed mount chute 40 that size is slightly large.As shown in figure 12, fixed mount along the circumferential direction has 12 through holes to the mounting structure of fixed mount 25 and fixed mount chute uniformly.Fixed mount is held on fixed mount chute 40, avoids being slipped to base groove 30 bottoms.Gear groove 27 is measure-alike and relative with base groove 30.Steel ball 24 is embedded into respectively in 12 through holes of fixed mount 25, steel ball 24 top and bottom are tangent with gear groove 27 bottom surfaces and base groove 30 bottom surfaces respectively, steel ball rotates along gear groove and base groove, but under the effect of fixed mount, the relative position of 12 steel balls remains unchanged, will easily realize like this adjustment of angular adjustment gear 10 and base for supporting 1 relative position, reduce friction simultaneously.Guide plate bolt hole 22, gear bolt hole 26 and bolt of lower base hole 29 are concentric and measure-alike, fastening bolt 7 is successively through guide plate bolt hole 22, gear bolt hole 26, bolt of lower base hole 29, realizes guide plate 2, angular adjustment gear 10, base for supporting 1 and is fixedly connected with.
As shown in Figure 10, Figure 11, detent mechanism comprises detent mechanism solenoid 38, detent mechanism spring 39, location tooth bar 36 and detent mechanism through hole 37.Location tooth bar 36 is scalable inside and outside detent mechanism, its profile of tooth can engage completely with angular adjustment gear 10, four detent mechanism through holes 37 are corresponding one by one with the whorl of base hole 28 of base for supporting 1 one sides, realize being fixedly connected with of detent mechanism and base for supporting by trip bolt 11.Detent mechanism spring one end is connected with detent mechanism body, and the other end is connected with location tooth bar, when spring is during in free state, locates tooth bar in stretching out state.In the time that detent mechanism solenoid is switched on, spring tightens up, and drives location tooth bar to be retracted to detent mechanism inside, and angular adjustment gear can freely be selected.In the time of the power-off of detent mechanism solenoid, spring is upheld, and drives location tooth bar to stretch out outside detent mechanism, and location tooth bar engages completely with angular adjustment gear, reaches fixation.
The course of work of the present embodiment is as follows:
First rotate rotary handle and make claw simultaneously away from center, chuck is in open configuration.Machining crankshafts is winched near clamp mechanism, rotate and regulate screw mandrel, make two distances between chuck be slightly larger than the length of bent axle, then bent axle is winched to chuck centre, rotate and regulate screw mandrel, shorten the distance between chuck, make claw can catch the two ends of bent axle.Then counter-rotate handle, claw slowly clamps bent axle, in this process, utilize the servicing units such as locating piece to bent axle carry out axially, radial location, until clamp bent axle completely.
In the time need to processing the oilhole of different parts, give the energising of slider electrical magnetic coil, slider electrical magnetic coil attracts straight pin, and the compressed sliding block spring of straight pin is retracted to slide block inside.Now, slide block just can be free to slide in the direction recess of guide plate.Then two clamp bodies of integrated moving and above part, the oilhole of required processing is alignd with oil-hole drill, then slider electrical magnetic coil power-off, straight pin stretches out under the effect of compression sliding block spring, be embedded in the pin-and-hole of direction recess inwall, realize the fixing of clamp body.The clamp body that finally moves around gently, ensures that straight pin is embedded in pin-and-hole completely.
In the time need to processing the oilhole of different angles, first loosening fastening bolt, the energising of detent mechanism solenoid, location tooth bar shrinks, and departs from and engages with angular adjustment gear, and now angular adjustment gear is free to rotate.Then extremely required angle of rotational angle adjusting gear, because angular adjustment gear has 36 teeth, tooth of every rotation, bent axle rotates 10 relative to oil-hole drill
o.If need to rotate 20
o, angular adjustment gear is rotated to two teeth substantially, then detent mechanism solenoid power-off, location tooth bar engages with angular adjustment gear under the effect of compression set mechanism spring, and after both engage completely, rotational angle adjusting gear will rotate 20 accurately
o, then tighten fastening bolt, bent axle is completely fixed.
Although described by reference to the accompanying drawings embodiments of the present invention, those of ordinary skill in the art can make various distortion or amendment within the scope of the appended claims.
Claims (8)
1. the adjustable crankshaft oil hole boring grab of angle, comprise clamp mechanism, described clamp mechanism comprises N dog chuck (4) and rotary handle (15), N is greater than 1 natural number, described N dog chuck (4) comprises claw (17) and chuck body (14), it is characterized in that: also comprise angle adjusting mechanism, described angle adjusting mechanism comprises base for supporting (1), angular adjustment gear (10) and guide plate (2), described base for supporting (1) is provided with bolt of lower base hole (29), described angular adjustment gear (10) center is provided with gear bolt hole (26), described guide plate (2) is provided with guide plate bolt hole (22), described guide plate bolt hole (22), gear bolt hole (26) and bolt of lower base hole (29) are concentric and measure-alike, fastening bolt (7) is successively through guide plate bolt hole (22), gear bolt hole (26) and bolt of lower base hole (29), by guide plate (2), angular adjustment gear (10) is fixedly connected with base for supporting (1), angular adjustment gear (10) drives described guide plate to rotate on described base for supporting, described guide plate upper surface is connected with described chuck body bottom,
Described angle adjusting mechanism also comprises steel ball (24) and fixed mount (25), described fixed mount (25) is along the circumferential direction provided with through hole, clear size of opening mates with described steel ball (24), upper taking described bolt of lower base hole (29) as the center of circle at base for supporting (1), be provided with in a circumferential direction base groove (30), upper taking described gear bolt hole (26) as the center of circle at angular adjustment gear (10), be provided with in a circumferential direction gear groove (27), described base groove (30) is measure-alike and relative with described gear groove (27), described steel ball embeds in the through hole of described fixed mount, steel ball upper and lower surface is tangent with gear groove (27) and base groove (30) respectively,
The bottom of described chuck body (14) raises up and is provided with ribs (16) and is connected with described claw (17).
2. the adjustable crankshaft oil hole boring grab of angle according to claim 1, it is characterized in that: described base for supporting (1) is upper is provided with fixed mount chute (40) near base groove (30) outer radius, and described fixed mount (25) is just in time shelved on described fixed mount chute (40).
3. the adjustable crankshaft oil hole boring grab of angle according to claim 1 and 2, it is characterized in that: described angle adjusting mechanism also comprises detent mechanism (12), the base of described detent mechanism (12) is provided with detent mechanism through hole (37), described base for supporting (1) upper surface both sides are provided with whorl of base hole (28), described detent mechanism through hole (37) is corresponding one by one with described whorl of base hole (28), trip bolt (11) is fixedly connected with detent mechanism (12) with base for supporting (1), described detent mechanism (12) comprises telescopic location tooth bar (36), detent mechanism solenoid (38) and detent mechanism spring (39), detent mechanism spring one end is connected with detent mechanism body, the other end is connected with location tooth bar, after detent mechanism solenoid (38) energising, attract described detent mechanism spring (39) to shrink, drive described location tooth bar (36) and described angular adjustment gear (10) to separate, described angular adjustment gear rotates along the center of circle, after detent mechanism solenoid (38) power-off, described detent mechanism spring (39) is upheld, drive described location tooth bar (36) to engage with described angular adjustment gear (10).
4. the adjustable crankshaft oil hole boring grab of angle according to claim 1, it is characterized in that: described crankshaft oil hole boring grab also comprises position adjusting mechanism, described position adjusting mechanism comprises clamp body (3) and slide block (31), described clamp body (3) is fixedly connected with described chuck body (14), described clamp body (3) bottom is arranged with at least two support bars (18), described support bar (18) bottom is connected with described slide block (31), the upper surface symmetry of described guide plate (2) has twice direction recess (21), direction recess size is mated with described slide block, slide in described direction recess (21) by described slide block (31), described slide block (31) drives described clamp mechanism moving linearly on described guide plate by support bar (18).
5. the adjustable crankshaft oil hole boring grab of angle according to claim 4, it is characterized in that: on described direction recess (21) inwall, have pin-and-hole (23), described slide block (31) comprises slider electrical magnetic coil (34), telescopic straight pin (32) and sliding block spring (35), sliding block spring one end is connected with straight pin, the other end is connected with slider electrical magnetic coil, slider electrical magnetic coil is fixedly connected with slide block, after slider electrical magnetic coil (34) energising, attract sliding block spring (35) to shrink, drive straight pin (32) to shrink, slide block (31) slides along direction recess (21), after slider electrical magnetic coil (34) power-off, sliding block spring (35) is upheld, drive straight pin (32) to stretch out, straight pin (32) is embedded in described pin-and-hole (23), slide block (31) is fixedly connected with guide plate (2).
6. the adjustable crankshaft oil hole boring grab of angle according to claim 4, it is characterized in that: described support bar (18) bottom has through hole, described slide block (31) is provided with slide block through hole (33), through hole and the described slide block through hole (33) of described support bar (18) bottom are measure-alike, bolt (9) is through this two through hole, by hinged to support bar (18) and slide block (31).
7. the adjustable crankshaft oil hole boring grab of angle according to claim 4, it is characterized in that: the bottom of described chuck body (14) is provided with chuck through hole (13), the upper surface of described clamp body (3) is provided with the clamp body screwed hole (19) corresponding with described chuck through hole (13) position, and screw (8) is fixedly connected with clamp body (3) with chuck body (14).
8. according to the adjustable crankshaft oil hole boring grab of angle described in claim 4-7 any one, it is characterized in that: described position adjusting mechanism also comprises adjusting screw mandrel (6), described adjusting screw mandrel (6) two ends car has external screw thread, centre position, described clamp body (3) bottom is provided with contiguous block (20), described contiguous block (20) hollow has screwed hole, forms and is threaded with described adjusting screw mandrel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332352.8A CN102814677B (en) | 2012-09-10 | 2012-09-10 | Angle-adjustable crankshaft oil hole drilling clamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332352.8A CN102814677B (en) | 2012-09-10 | 2012-09-10 | Angle-adjustable crankshaft oil hole drilling clamp |
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| CN102814677A CN102814677A (en) | 2012-12-12 |
| CN102814677B true CN102814677B (en) | 2014-11-05 |
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|---|---|---|---|---|
| US4250667A (en) * | 1978-07-07 | 1981-02-17 | Constructions De Clichy | Device for supporting a crankshaft having four crankpins on a grinding machine |
| CN201559073U (en) * | 2009-11-19 | 2010-08-25 | 天润曲轴股份有限公司 | Automatic indexing compressing device for crank shaft |
| CN101786242A (en) * | 2010-02-23 | 2010-07-28 | 林素伟 | Drilling jig for drilling oblique oil hole on crankshaft |
| CN101786241A (en) * | 2010-02-23 | 2010-07-28 | 林素伟 | Crankshaft multi-angle oil hole drilling clamp |
| CN201685112U (en) * | 2010-05-11 | 2010-12-29 | 林素伟 | Drilling fixture for crankshaft straight oil holes |
| CN202278447U (en) * | 2011-05-28 | 2012-06-20 | 安徽金寨万山机械制造有限公司 | Gear index plate |
| CN202752878U (en) * | 2012-09-10 | 2013-02-27 | 浙江伟林机械零部件有限公司 | Crankshaft oil hole drilling clamp with adjustable angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102814677A (en) | 2012-12-12 |
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