CN204366113U - A kind of boring grab of crankshaft oblique oil hole - Google Patents
A kind of boring grab of crankshaft oblique oil hole Download PDFInfo
- Publication number
- CN204366113U CN204366113U CN201420826504.4U CN201420826504U CN204366113U CN 204366113 U CN204366113 U CN 204366113U CN 201420826504 U CN201420826504 U CN 201420826504U CN 204366113 U CN204366113 U CN 204366113U
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- Prior art keywords
- clamping
- plane
- drill bushing
- location
- boring grab
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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Abstract
The utility model discloses a kind of boring grab of crankshaft oblique oil hole, comprise positioning pedestal and clamping base, it is the inclined-plane, location of α that the top of positioning pedestal is provided with horizontal direction angle, and be provided with connecting axle between positioning pedestal and clamping base, positioning pedestal is articulated and connected backstay; Clamping base comprises horizontal base and vertical pedestal, and horizontal base two ends are symmetrically arranged with U-shaped groove, and vertical pedestal being fixedly connected with some is the drill bushing of α with vertical direction angle; Clamping base is provided with clamping assembly, bent axle is fixed on clamping base by clamping assembly, and clamping base is fixed on the first inclined-plane, location, and now the second drill bushing and the 4th drill bushing are in vertical line direction; Clamping base is fixed on the second inclined-plane, location, and now the first drill bushing and the 3rd drill bushing are in vertical line direction, so then facilitate and hole on vertical drill bed.The utility model convenient mounting and clamping is quick, reliable and stable.
Description
Technical field
The utility model belongs to the technical field of the fixture of bent axle, specifically, relates to a kind of boring grab of crankshaft oblique oil hole.
Background technology
Crankshaft oblique oil hole is one of mach important procedure of bent axle.Because inclined oil hole of air is oblique state relative to common plane, processing technology exists certain difficulty, processing needs special fixture.Due to the strength member that bent axle is internal combustion engine, the reliability requirement for fixture is higher, and carry out adding man-hour carrying out multiple step, workpiece can not carry out multiple clamping, in order to ensure the accuracy of work pieces process.If locate insecure, add and can have a strong impact on machining accuracy and crudy man-hour, the product fraction defective processed is very high.So the quality of clamp for machining, directly have influence on product quality and working (machining) efficiency problem.At present, crankshaft oblique oil hole is all use special fixture to process on lathe, but there is clamping inconvenience, the problem such as complex steps, debugging are wasted time and energy, and causes working (machining) efficiency low.
Utility model content
For deficiency above-mentioned in prior art, the utility model provides a kind of convenient mounting and clamping, accurate positioning, and clamped one time can process the boring grab of the crankshaft oblique oil hole of whole inclined oil hole of air.
In order to achieve the above object, the solution that the utility model adopts is: a kind of boring grab of crankshaft oblique oil hole, comprise positioning pedestal and clamping base, it is the inclined-plane, location of α that the top of positioning pedestal is provided with horizontal direction angle, angle α is the angle of crankshaft oblique oil hole and vertical direction, locating latch face comprises the first symmetrical inclined-plane, location and the second inclined-plane, location, be provided with connecting axle between positioning pedestal and clamping base, the axis of connecting axle is on the plane of symmetry on the first inclined-plane, location and the second inclined-plane, location; Clamping base comprises horizontal base and vertical pedestal, and horizontal base two ends are symmetrically arranged with U-shaped groove, and positioning pedestal is articulated and connected backstay, backstay is fixedly connected with the first rotary handle; Clamping base is provided with clamping assembly, clamping assembly comprises and is stuck in springing alignment pin between crank arm, compresses holding down assembly and supporting the gradient locating piece of crank-pin of trunnion; Vertical pedestal being fixedly connected with some is the drill bushing of α with vertical direction angle.
Further, hold down assembly and be set to two groups of symmetry, hold down assembly and comprise V-type groove, clamping arm, adjusting rod, compression fork, eccentric shaft and the second rotary handle, adjusting rod is arranged in the screwed hole of clamping arm, eccentric shaft is articulated and connected in compression fork end, and the second rotary handle is fixedly connected with eccentric shaft.
Further, backstay adopts upper end to connect the screw rod of two nuts.
Further, springing alignment pin adopts the straight pin be contained in advance in guide, and be provided with the spring of compression between straight pin and guide, and straight pin surface is provided with stopper slot, guide internal fixtion is connected with holding screw, and holding screw end is in stopper slot.
Further, gradient locating piece is fixedly connected on the upper surface of horizontal base.
Further, V-type groove is fixedly connected on the upper surface of horizontal base, compresses fork and is articulated and connected with V-type groove.
Further, clamping arm is articulated and connected at vertical pedestal front surface.
Further, adjusting rod adopts and regulates stud, regulates stud lower end to be provided with clamping sleeve, regulates stud upper end attaching nut.
Further, inclined-plane, location is set to the parallels that is fixedly connected with positioning pedestal, bottom horizontal base two ends be fixedly connected with locate inclined-plane with the use of parallels.
Further, drill bushing comprises the first drill bushing, the second drill bushing, the 3rd drill bushing and the 4th drill bushing.
The beneficial effects of the utility model are, hold down assembly the trunnion of bent axle to compress, and tentatively fix, and springing alignment pin limits axial float, and gradient locating piece ensures the angle of inclination of bent axle; Clamping base is fixed on the first inclined-plane, location, and now the second drill bushing and the 4th drill bushing are in vertical line direction; Clamping base is fixed on the second inclined-plane, location, and now the first drill bushing and the 3rd drill bushing are in vertical line direction, so then facilitate and hole on vertical drill bed.The utility model convenient mounting and clamping is quick, reliable and stable.
Accompanying drawing explanation
Fig. 1 is the front view of boring grab of the present utility model.
Fig. 2 is the partial sectional view in the A-A direction of Fig. 1.
Fig. 3 is the enlarged drawing at the B place of Fig. 2.
Fig. 4 is the enlarged drawing at the C place of Fig. 2.
Fig. 5 is the second drill bushing of the present utility model and the 4th drill bushing front view vertically.
Fig. 6 is the top view of boring grab of the present utility model.
Fig. 7 is the front view after boring grab clamping bent axle of the present utility model.
In accompanying drawing:
1-positioning pedestal; Inclined-plane, 11-location; 11a-the first locates inclined-plane; 11b-the second locates inclined-plane; 12-backstay; 13-the first rotary handle; 2-clamping base; 21-horizontal base; 22-vertically pedestal; 23-U-shaped groove; 3-connecting axle; 4-clamping assembly; 41-springing alignment pin; 41a-straight pin; 41b-guide; 41c-spring; 41d-holding screw; 42-hold down assembly; 42a-V-type groove; 42b-clamping arm; 42c-adjusting rod; 42d-compression fork; 42e-eccentric shaft; 42f-the second rotary handle; 42g-clamping sleeve; 43-gradient locating piece; 5-drill bushing; 51-the first drill bushing; 52-the second drill bushing; 53-the three drill bushing; 54-the four drill bushing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described:
The utility model provides a kind of boring grab of crankshaft oblique oil hole, as shown in Figures 1 and 2, comprise positioning pedestal 1 and clamping base 2, the top of positioning pedestal 1 is provided with the inclined-plane, location 11 that inclination angle is α, inclination alpha is the angle of crankshaft oblique oil hole and vertical line, inclined-plane 11, location comprises the first symmetrical location inclined-plane 11a and second location inclined-plane 11b, be provided with connecting axle 3 between positioning pedestal 1 and clamping base 2, the axis of connecting axle 3 is on the plane of symmetry of the first inclined-plane, location 11a and second location inclined-plane 11b.Clamping base 2 comprises horizontal base 21 and vertical pedestal 22, and horizontal base 21 two ends are symmetrically arranged with U-shaped groove 23, and positioning pedestal 1 is articulated and connected backstay 12, and backstay 12 adopts upper end to connect the screw rod of two nuts, and two nut interlockings, limit position; Backstay 12 is fixedly connected with the first rotary handle 13, pulls the first rotary handle 13, backstay 12 rotates thereupon up and down.
As shown in figures 4 and 5, clamping base 2 is provided with clamping assembly 4, clamping assembly 4 comprise be stuck in springing alignment pin 41 between crank arm, compress trunnion hold down assembly 42 and support the gradient locating piece 43 of crank-pin.Hold down assembly and 42 be set to symmetrical two groups, hold down assembly and 42 comprise V-type groove 42a, clamping arm 42b, adjusting rod 42c, compress fork 42d, eccentric shaft 42e and the second rotary handle 42f, V-type groove 42a is fixedly connected on the upper surface of horizontal base 21, compresses fork 42d and V-type groove 42a and is articulated and connected; Clamping arm 42b is articulated and connected at vertical pedestal 22 front surface; Adjusting rod 42c is arranged in the screwed hole of clamping arm 42b, and adjusting rod 42c adopts and regulates stud, regulates stud lower end to be provided with clamping sleeve 42g, regulates stud upper end attaching nut; Eccentric shaft 42e is articulated and connected in compression fork 42d end, and the second rotary handle 42f is fixedly connected with eccentric shaft 42e.Gradient locating piece 43 is fixedly connected on the upper surface of horizontal base 21, and gradient locating piece 43 for supporting bent axle, and determines the gradient of tumbling of bent axle.
As shown in Figure 5, vertical pedestal 22 is fixedly connected with the drill bushing 5 that some inclination angles are α, drill bushing 5 comprises the first drill bushing 51, second drill bushing 52, the 3rd drill bushing 53 and the 4th drill bushing 54.
As shown in Figure 3, springing alignment pin 41 adopts the straight pin 41a be contained in advance in guide 41b, the spring 41c of compression is provided with between straight pin 41a and guide 41b, and straight pin 41a surface is provided with stopper slot, guide 41b internal fixtion is connected with holding screw 41d, holding screw 41d end is in stopper slot, and holding screw 41d limits the flexible length of straight pin 41a.
As shown in Figure 1, inclined-plane 11, location is set to the parallels that is fixedly connected with positioning pedestal 1, bottom horizontal base 21 two ends be fixedly connected with locate inclined-plane 11 with the use of parallels.
V-type groove 42a is stuck in trunnion surface, for supporting bent axle, after clamping arm 42b presses down, the clamping sleeve 42g of adjusting rod 42c lower end is pressed on trunnion surface, upwards pulls the second rotary handle 42f, and clamping arm 42b is through compressing fork 42d, due to the wobbler action of eccentric shaft 42e, clamping arm 42b compresses downwards by eccentric shaft 42e, and in the acting in conjunction of clamping sleeve 42g and V-type groove 42a, bent axle is tentatively fixed on clamping base 2; Springing alignment pin 41 is stuck between crank arm, prevents bent axle left and right play, and bent axle and gradient locating piece 43 surface contact, determine the angle of inclination of bent axle.When clamping base 2 is toppled over to the left side, the lower surface of horizontal base 21 and first of positioning pedestal 1 is located inclined-plane 11a and is contacted, upwards pull the first rotary handle 13, backstay 12 to be stuck in U-shaped groove 23 and to lock, now, the axis of the second drill bushing 52 and the 4th drill bushing 54 vertically, then bores two inclined oil hole of air of the second drill bushing 52 and the 4th drill bushing 54 correspondence; In like manner, the lower surface of horizontal base 21 and second of positioning pedestal 1 is located inclined-plane 11b and is contacted, and backstay 12 to be stuck in U-shaped groove 23 and to lock, now, the axis of the first drill bushing 51 and the 3rd drill bushing 53 vertically, then bores two inclined oil hole of air of the first drill bushing 51 and the 3rd drill bushing 53 correspondence.
Claims (10)
1. the boring grab of a crankshaft oblique oil hole, be the inclined oil hole of air of α for processing with vertical direction angle, it is characterized in that: comprise positioning pedestal (1) and clamping base (2), it is the inclined-plane, location (11) of α that the top of positioning pedestal (1) is provided with horizontal direction angle, inclined-plane, location (11) comprises the first symmetrical inclined-plane, location (11a) and the second inclined-plane, location (11b), positioning pedestal (1) is articulated and connected backstay (12), backstay (12) is fixedly connected with the first rotary handle (13); Be provided with connecting axle (3) between positioning pedestal (1) and clamping base (2), the axis of connecting axle (3) is on the plane of symmetry of the first inclined-plane, location (11a) and the second inclined-plane, location (11b); Clamping base (2) comprises horizontal base (21) and vertical pedestal (22), horizontal base (21) two ends are symmetrically arranged with U-shaped groove (23), and vertical pedestal (22) being fixedly connected with some is the drill bushing (5) of α with vertical direction angle; Clamping base (2) is provided with clamping assembly (4), clamping assembly (4) comprises and is stuck in springing alignment pin (41) between crank arm, compresses holding down assembly (42) and supporting the gradient locating piece (43) of crank-pin of trunnion.
2. boring grab according to claim 1, it is characterized in that: described hold down assembly (42) are set to symmetrical two groups, hold down assembly (42) comprise V-type groove (42a), clamping arm (42b), adjusting rod (42c), compress fork (42d), eccentric shaft (42e) and the second rotary handle (42f), adjusting rod (42c) is arranged in the screwed hole of clamping arm (42b), eccentric shaft (42e) is articulated and connected in compression fork (42d) end, second rotary handle (42f) is fixedly connected with eccentric shaft (42e).
3. boring grab according to claim 1, is characterized in that: described backstay (12) adopts upper end to connect the screw rod of two nuts.
4. boring grab according to claim 1, it is characterized in that: described springing alignment pin (41) adopts the straight pin (41a) be contained in advance in guide (41b), the spring (41c) of compression is provided with between straight pin (41a) and guide (41b), and straight pin (41a) surface is provided with stopper slot, guide (41b) internal fixtion is connected with holding screw (41d), and holding screw (41d) end is in stopper slot.
5. boring grab according to claim 1, is characterized in that: described gradient locating piece (43) is fixedly connected on the upper surface of horizontal base (21).
6. boring grab according to claim 2, is characterized in that: described V-type groove (42a) is fixedly connected on the upper surface of horizontal base (21), compresses fork (42d) and is articulated and connected with V-type groove (42a).
7. boring grab according to claim 6, is characterized in that: described adjusting rod (42c) adopts and regulates stud, regulates stud lower end to be provided with clamping sleeve (42g), regulates stud upper end attaching nut.
8. boring grab according to claim 2, is characterized in that: described clamping arm (42b) is articulated and connected at vertical pedestal (22) front surface.
9. boring grab according to claim 1, is characterized in that: described inclined-plane, location (11) is set to the parallels be fixedly connected with positioning pedestal (1); Horizontal base (21) bottom two ends be fixedly connected with locate inclined-plane (11) with the use of parallels.
10. boring grab according to claim 1, is characterized in that: described drill bushing (5) comprises the first drill bushing (51), the second drill bushing (52), the 3rd drill bushing (53) and the 4th drill bushing (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826504.4U CN204366113U (en) | 2014-12-23 | 2014-12-23 | A kind of boring grab of crankshaft oblique oil hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826504.4U CN204366113U (en) | 2014-12-23 | 2014-12-23 | A kind of boring grab of crankshaft oblique oil hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204366113U true CN204366113U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420826504.4U Expired - Fee Related CN204366113U (en) | 2014-12-23 | 2014-12-23 | A kind of boring grab of crankshaft oblique oil hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204366113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842876A (en) * | 2019-11-21 | 2020-02-28 | 郭欣 | Maintenance platform device of multistage telescopic oil cylinder |
-
2014
- 2014-12-23 CN CN201420826504.4U patent/CN204366113U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842876A (en) * | 2019-11-21 | 2020-02-28 | 郭欣 | Maintenance platform device of multistage telescopic oil cylinder |
| CN110842876B (en) * | 2019-11-21 | 2021-04-27 | 郭欣 | Maintenance platform device of multistage telescopic oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 |