CN203401114U - Positioning device of thrust bearing cap - Google Patents
Positioning device of thrust bearing cap Download PDFInfo
- Publication number
- CN203401114U CN203401114U CN201320544443.8U CN201320544443U CN203401114U CN 203401114 U CN203401114 U CN 203401114U CN 201320544443 U CN201320544443 U CN 201320544443U CN 203401114 U CN203401114 U CN 203401114U
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- CN
- China
- Prior art keywords
- thrust bearing
- bearing cap
- locating piece
- hole
- positioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a positioning device of a thrust bearing cap. The positioning device of the thrust bearing cap comprises a first positioning block, a connecting piece and a base. The first positioning block is in a semicircular plate shape, wherein the diameter of the first positioning block is matched with the diameter of a semicircular hole in the thrust bearing cap. A through hole used for machining a pin hole is formed in the position, corresponding to a pin hole in the thrust bearing cap, of the first positioning block. The connecting piece is in a right-angle plate shape. One right-angle side of the connecting piece is fixedly connected with the first positioning block. A compression screw used for compressing the thrust bearing cap is arranged on the other right-angle side of the connecting piece. The base is fixedly connected with the plane of the first positioning block. The inner surface of the semicircular hole in the thrust bearing cap abuts against the first positioning block. The separation face of the thrust bearing cap is connected with the base in an abutting mode. The thrust bearing cap tightly abuts against the end face of the connecting piece. The compression screw compresses the top of the thrust bearing cap. The thrust bearing cap is independently fixed at the positioning device and positioned on a small bench drill to machine the pin hole, the positioning device of the thrust bearing cap is easy and convenient to use, and compared with a special machine tool and a machining center, the positioning device has the advantage that the machining cost of the pin hole in the thrust bearing cap is greatly reduced.
Description
Technical field
The utility model relates to diesel engine field, particularly a kind of positioner of thrust bearing cap of bent axle.
Background technology
The pin-and-hole that the thrust bearing of crankshaft of diesel engine covers covers for thrust plate is positioned to thrust bearing, make the bent axle of diesel engine keep good action, therefore, the pin-and-hole position that thrust bearing covers must be accurately, guarantee that thrust plate is arranged on correct position, with guarantee Crankshaft to correct location.
Thrust bearing covers the central shaft of pin-and-hole and the spacing of thrust bearing cap parting plane is a ± 0.05, and pin-and-hole central shaft is φ 0.1 to the position degree of the semicircle orifice central shaft of thrust bearing cap.The processing method of prior art requires to meet the requirement of spacing and position degree simultaneously, add man-hour if precision slightly deviation will cause the location of thrust plate inaccurate, difficulty is larger.The pin-and-hole that in prior art, thrust bearing covers is generally processed on special purpose machine tool or machining center, and thrust bearing cap is general not in the front and back end of cylinder block, needs other shaft-cups to pull down before processing, and operation easier is larger, has increased processing cost.
Utility model content
The utility model is in order to overcome defect in above-mentioned prior art, by thrust bearing cap being pulled down and is fixed on the positioner of thrust bearing cap, at the upper pin hole processing of little beakiron bed (as desk-top radial drill), makes the simplified processing of pin-and-hole.
For achieving the above object, the utility model provides a kind of positioner of thrust bearing cap, comprise: the first locating piece, its semicircle of semicircle orifice diameter adaptation that is diameter and thrust bearing cap is tabular, and position corresponding with the pin-and-hole of thrust bearing cap on the first locating piece is provided with the through hole for pin hole processing; Connector, it is at right angles tabular, and a right-angle side of connector is fixedly connected with the first locating piece, and another right-angle side of connector is provided with for compressing the housing screw of thrust bearing cap; Base, it is fixedly connected with the plane of the first locating piece; The semicircle orifice inner surface of thrust bearing cap and the first locating piece against, thrust bearing cap parting plane and base butt, and thrust bearing cap is near the end face of connector, housing screw is pressed on the top of thrust bearing cap.
Thrust bearing cap is fixed on separately on positioner, and be positioned at the processing in the enterprising marketing of desk-top radial drill hole, simple and convenient, with respect to the processing on special purpose machine tool and machining center, this positioner coordinating with little beakiron greatly reduces the pin-and-hole processing cost of thrust bearing cap.
In technique scheme, also comprise the second locating piece, its integral body is cubic, the second locating piece is parallel with the first locating piece to be fixed on base, on the second locating piece, the side corresponding with the arc surface of the first locating piece is the arc surface identical with the first locating piece diameter, the height of the second locating piece is less than the through hole of the first locating piece with respect to the height of base, the semicircle orifice inner surface of thrust bearing cap and the arc surface of the second locating piece against.The arc surface of the second locating piece and thrust bearing cap against thrust bearing cap is positioned on positioner better.
In technique scheme, in through hole, by interference fit, be provided with lining.The processing that lining is pin-and-hole provides better guiding.
In technique scheme, be provided with drill bushing in lining, drill bushing is fixed on the first location-plate by drill bushing screw.Drill bushing has guaranteed the machining accuracy of pin-and-hole.
Accompanying drawing explanation
Fig. 1 is the positioner overall schematic of thrust bearing cap of the present utility model;
Fig. 2 is the front view of the positioner of thrust bearing cap;
Fig. 3 is the right view of Fig. 2;
Fig. 4 be in Fig. 2 A-A to view;
Fig. 5 is the top view of Fig. 2;
Fig. 6 is thrust bearing cap front view;
Fig. 7 is the top view of Fig. 6.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-locating piece, 11-the first locating piece, 12-the second locating piece, 13-through hole, 2-housing screw, 3-connector, 4-base, 5-lining, 6-drill bushing, 7-trip bolt, 8-drill bushing screw, 9-thrust bearing cap, 91-pin-and-hole, 92-D face, 93-thrust bearing cap parting plane, 94-groove, 10-drill bit.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of the specific embodiment.
As shown in Figure 1, the housing screw 2 that the positioner of thrust bearing cap of the present utility model utilizes locating hole 1, be installed on connector 3 was fixed on thrust bearing cap 9 on positioner with coordinating of base upper surface, and on locating piece 1, was provided for the through hole 13 of pin hole processing.
As shown in Fig. 2,3,5, locating piece 1 comprises that the first locating piece 11 and the second locating piece 12, the first locating pieces 11 are the semicircular plate of the semicircle orifice diameter adaptation of diameter and thrust bearing cap 9.Its flat face is fixed on the upper surface of base 4 by trip bolt 7.The second locating piece 12 integral body are cubic, front and rear end is the arc surface identical with the first locating piece 11 radiuses, the second locating piece 12 is parallel with the first locating piece 11 to be placed on the upper surface of base 4, and the height of the second locating piece 12 is less than the through hole 13 of the first locating piece with respect to the height of base.The width sum of the first locating piece 11 and the second locating piece 12 is less than the width of thrust bearing cap 9.
As shown in Figure 2,3, the rectangular shape of connector 3, an one right-angle side is threaded connection and is fixed on the first locating piece 11, and the second locating piece 12 and connector are separately positioned in the two opposite side surfaces of the first locating piece 11.Housing screw 2, through the top of connector 3, is connected to the top of thrust bearing cap 9.Base 4 is connected with locating piece 1 by trip bolt 7.
As shown in Figure 4, be preset with two through holes 13 with the pin-and-hole 91 position adaptations of thrust bearing cap 9 on the first locating piece 1, the spacing of the central shaft of through hole 13 and the upper surface of base (being thrust bearing cap parting plane) is a ± 0.03.In through hole 13, by interference fit, be provided with lining 5, be provided with drill bushing 6 in lining 5, guiding drill bit 10 is holed.Drill bushing 6 is fixed on drill bushing 6 on the first location-plate by drill bushing screw 8.
As shown in Figure 6,7, in relative two planes of thrust bearing cap 9, by positioner, process respectively two for locating the pin-and-hole 91 of thrust plate, the central shaft of all pin-and-holes 91 is positioned on the circle that the radius concentric with the semicircle orifice of thrust bearing cap 9 is R, distance between the central shaft of pin-and-hole 91 and thrust bearing cap parting plane 93 is a ± 0.05, and pin-and-hole 91 is φ 0.1 with respect to the position degree of the D face 92 of thrust bearing cap.The end face of thrust bearing cap 9 is provided with groove 94.
The processing method of thrust bearing cap is as follows:
Step 1: the semicircle orifice inner surface of thrust bearing cap 9 is resisted against on first locating piece 11 and the second locating piece 12 of positioner, the upper surface of thrust bearing cap parting plane 93 and base 4 against, and the right side of thrust bearing cap 9 is near the left side of connecting plate 3; Then be rotated down housing screw 2, housing screw 2 is pressed on the bottom surface of groove 94, jointly clamp thrust bearing cap 9 with the upper surface of base 9.
Step 2: drill bushing 6 is fixed in lining 5 by drill bushing screw 8; Positioner is positioned on desk-top radial drill, with drill bit 10, on the right side of thrust bearing cap 9, gets out pin-and-hole bottom outlet.
Step 3: at orifice chamfer.
Step 4: positioner is taken off from desk-top radial drill, unscrew drill bushing screw 8, take off drill bushing 6; With drill bushing screw 8, hinge cover is fixed in lining 5.
Step 5: positioner is positioned on desk-top radial drill, with reamer, the pin-and-hole bottom outlet of thrust bearing cap 9 is processed into the pin-and-hole size of requirement.
Step 6: positioner is taken off from desk-top radial drill, remove aperture burr, and blow off chip with compressed air.
Step 7: thrust bearing cap 9 is taken off from positioner, rotates thrust bearing cap 9, and thrust bearing cap 9 is positioned on positioner, make the end face of undressed pin-and-hole on thrust bearing cap 9 and connector 3 against.
Step 8: repeating step 2～6.
The utility model is fixed on separately on positioner by thrust bearing cap, and be positioned at the processing in the enterprising marketing of desk-top radial drill hole, with respect to the processing on special purpose machine tool and machining center, this positioner coordinating with little beakiron greatly reduces the pin-and-hole processing cost of thrust bearing cap.
The reserved through hole 13 of pin-and-hole processing on positioner is higher with the precision prescribed of the gap ratio thrust bearing cap pin-and-hole of thrust bearing cap parting plane, has reduced the difficulty of processing of pin-and-hole, has guaranteed the positional accuracy of thrust plate.
Disclosed is above only a specific embodiment of the present utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (4)
1. a positioner for thrust bearing cap, is characterized in that, comprising:
The first locating piece, its semicircle of semicircle orifice diameter adaptation that is diameter and thrust bearing cap is tabular, and position corresponding with the pin-and-hole of described thrust bearing cap on described the first locating piece is provided with the through hole for pin hole processing;
Connector, it is at right angles tabular, and a right-angle side of described connector is fixedly connected with described the first locating piece, and another right-angle side of described connector is provided with for compressing the housing screw of thrust bearing cap;
Base, it is fixedly connected with the plane of described the first locating piece;
The semicircle orifice inner surface of described thrust bearing cap and described the first locating piece against, thrust bearing cap parting plane and described base butt, and described thrust bearing cap is near the end face of described connector, described housing screw is pressed on the top of described thrust bearing cap.
2. the positioner of thrust bearing cap according to claim 1, it is characterized in that, also comprise the second locating piece, its integral body is cubic, described the second locating piece is parallel with described the first locating piece and be fixed on described base, on described the second locating piece, the side corresponding with the arc surface of described the first locating piece is the arc surface identical with described the first locating piece diameter, the height of described the second locating piece is less than the described through hole of described the first locating piece with respect to the height of described base, the semicircle orifice inner surface of described thrust bearing cap and the arc surface of described the second locating piece against.
3. the positioner of thrust bearing cap according to claim 1 and 2, is characterized in that, in described through hole, by interference fit, is provided with lining.
4. the positioner of thrust bearing cap according to claim 3, is characterized in that, in described lining, is provided with drill bushing, and described drill bushing is fixed on described the first location-plate by drill bushing screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544443.8U CN203401114U (en) | 2013-08-30 | 2013-08-30 | Positioning device of thrust bearing cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544443.8U CN203401114U (en) | 2013-08-30 | 2013-08-30 | Positioning device of thrust bearing cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203401114U true CN203401114U (en) | 2014-01-22 |
Family
ID=49937057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320544443.8U Expired - Fee Related CN203401114U (en) | 2013-08-30 | 2013-08-30 | Positioning device of thrust bearing cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203401114U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495763A (en) * | 2013-08-30 | 2014-01-08 | 广西玉柴机器股份有限公司 | Locating device of thrust bearing cap |
| CN104647078A (en) * | 2014-03-28 | 2015-05-27 | 梧州奥卡光学仪器有限公司 | Drilling clamp of condenser lifting seat |
| CN109158668A (en) * | 2018-10-31 | 2019-01-08 | 惠州典展五金制品有限公司 | Automobile engine bearings cover holding mechanism |
| CN109175475A (en) * | 2018-11-08 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of Quick-clamped tool of engine crankshaft main bearing lid |
-
2013
- 2013-08-30 CN CN201320544443.8U patent/CN203401114U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495763A (en) * | 2013-08-30 | 2014-01-08 | 广西玉柴机器股份有限公司 | Locating device of thrust bearing cap |
| CN103495763B (en) * | 2013-08-30 | 2015-09-09 | 广西玉柴机器股份有限公司 | A kind of positioner of thrust bearing cap |
| CN104647078A (en) * | 2014-03-28 | 2015-05-27 | 梧州奥卡光学仪器有限公司 | Drilling clamp of condenser lifting seat |
| CN109158668A (en) * | 2018-10-31 | 2019-01-08 | 惠州典展五金制品有限公司 | Automobile engine bearings cover holding mechanism |
| CN109175475A (en) * | 2018-11-08 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of Quick-clamped tool of engine crankshaft main bearing lid |
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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 |
Granted publication date: 20140122 Termination date: 20160830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |