CN203197321U - Drilling jig auxiliary device for crankshaft flange hole of diesel engine - Google Patents
Drilling jig auxiliary device for crankshaft flange hole of diesel engine Download PDFInfo
- Publication number
- CN203197321U CN203197321U CN 201220642522 CN201220642522U CN203197321U CN 203197321 U CN203197321 U CN 203197321U CN 201220642522 CN201220642522 CN 201220642522 CN 201220642522 U CN201220642522 U CN 201220642522U CN 203197321 U CN203197321 U CN 203197321U
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- CN
- China
- Prior art keywords
- flange hole
- crankshaft
- diesel engine
- cover
- base plate
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- 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.)
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Abstract
The utility model belongs to the technology for machining and manufacturing a crankshaft of a diesel engine of an internal combustion railway locomotive, and provides a drilling jig auxiliary device for a crankshaft flange hole of a diesel engine. The drilling jig auxiliary device comprises a bottom plate (1), a transitional sleeve (2), a positioning screw (5), flange hole rapid-changing sleeves (3) and lifting ring screws (4); wherein the bottom plate (1) is provided with a plurality of through holes for installation of the transitional sleeve along the circumference; the flange hole rapid-changing sleeves (3) are divided into three types: fine drilling sleeves, crude hinging sleeves and fine hinging sleeves; and two lifting ring screws (4) are adopted and are fixed on the two corresponding sides of the bottom plate (1). The drilling jig auxiliary device for the crankshaft flange hole of the diesel engine has the characteristics of reasonable design structure, and simple and convenient in use, the manufacturing accuracy of the crankshaft of the diesel engine of the internal combustion locomotive can be achieved, and the working efficiency can be improved greatly.
Description
Technical field
The utility model belongs to beeliner crankshaft of diesel engine processing and manufacturing technology, the main drill jig servicing unit that proposes a kind of crankshaft of diesel engine flange hole, in order to solve the problems of drilling of DF8B type locomotive crankshaft of diesel engine output flange hole, make it to satisfy the specification requirement of product.
Background technology
DF8B diesel engine of diesel locomotive bent axle is the key component of diesel locomotive, belongs to thin and long shafts, complex structure, accuracy of manufacture height.Its flange hole dimensional tolerance is that 0.027mm, position degree are φ 0.05mm, and because the bent axle total length surpasses 4 meters, the cumulative errors of machine tool can not satisfy specification requirement.The frock that this just requires to design a kind of auxiliary manufacturing satisfies the demand of the manufacturing process of high-precision flange hole.
The utility model content
The purpose of this utility model is the drill jig servicing unit that proposes a kind of crankshaft of diesel engine flange hole, can improve the product accuracy of manufacture and operating efficiency.
The utility model adopts following technical scheme for finishing above-mentioned purpose:
A kind of drill jig servicing unit of crankshaft of diesel engine flange hole, described drill jig servicing unit include base plate, spacer shell, dog screw, flange hole quick change cover and lifting bolt; Have circumferential a plurality of in order to the through hole of spacer shell to be installed on the described base plate; Described spacer shell be the through hole on the corresponding base plate arrange a plurality of; Each described spacer shell is fixed in the corresponding through hole; Described flange hole quick change cover is three kinds: smart drill bushing, thick hinge cover and finish ream cover; Described smart drill bushing, thick hinge are overlapped and are finish reamed and be enclosed within the different time mutual alternative, constitute described smart drill bushing or thick hinge cover or finish ream cover to cooperate the structure of processing flange hole with described spacer shell; Described lifting bolt is two, is fixed on the corresponding both sides of base plate.
Corresponding each the flange hole quick change cover of described dog screw arranges.
Described flange hole quick change puts has the positioning boss that cooperates for dog screw.
Have on the described base plate in order to the groove relative with crankshaft flange cylindrical groove.
The utility model is benchmark with bent axle body seam and flange cylindrical groove in use.Guarantee the accuracy of manufacture of flange hole.
The drill jig servicing unit of a kind of crankshaft of diesel engine flange hole that the utility model proposes, it is reasonable to have a project organization, uses simply, convenient, can satisfy the diesel engine of diesel locomotive bent axle accuracy of manufacture, has improved operating efficiency greatly.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the structural representation of base plate in the utility model.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the structural representation of spacer shell in the utility model.
Fig. 6 is the side view of Fig. 5.
Fig. 7 is the structural representation of flange hole quick change cover in the utility model.
Fig. 8 is the side view of Fig. 7.
Among the figure: 1, base plate, 2, spacer shell, 3, flange hole quick change cover, 4, lifting bolt, 5, dog screw.
The specific embodiment
The example that provides by reference to the accompanying drawings is illustrated structure of the present utility model.
As shown in Figure 1 and Figure 2: a kind of drill jig servicing unit of crankshaft of diesel engine flange hole, described drill jig servicing unit include base plate 1, spacer shell 2, dog screw 5, flange hole quick change cover 3 and lifting bolt 4; In conjunction with Fig. 3, Fig. 4, have circumferential a plurality of in order to the through hole of spacer shell to be installed on the described base plate 1; In conjunction with Fig. 5, Fig. 6, described spacer shell 2 be the through hole on the corresponding base plate 1 arrange a plurality of; Described spacer shell 2 is high accuracy wear-resistant sleeves; Each described spacer shell 2 is fixed in the corresponding through hole; Described dog screw 5 corresponding each flange hole quick change cover 3 arrange; Has the positioning boss that cooperates for dog screw 5 on the described flange hole quick change cover 3; It is three kinds in conjunction with the described flange hole quick change of Fig. 7, Fig. 8 cover 3: smart drill bushing, thick hinge cover and finish ream cover; Described smart drill bushing, thick hinge cover are the wear-resisting quick change cover of high accuracy of three kinds of different operations with finish reaming cover, be by the assembling of conversion and diverse location spacer shell fast one by one, the positioning boss that utilizes quick change cover is fixing with its relative position dog screw, realizes expanding, the purpose of the manufacturing of hinge, bore hole difference processing technologys; Described lifting bolt 5 is two, is fixed on the corresponding both sides of base plate 4.
Described dog screw 5 corresponding each flange hole quick change cover 3 arrange.
Have on the described base plate 1 in order to the groove relative with crankshaft flange cylindrical groove.
The utility model is benchmark with bent axle body seam and flange cylindrical groove in use.Guarantee the accuracy of manufacture of flange hole.
Concrete using method: with the lifting bolt 4 of rope vertical lifting drill jig, its position that groove is arranged is surpassed, the base plate 1 endoporus center and the crankshaft output end that are equipped with spacer shell 2 and dog screw 5 is contour, careful and the seam assembling applying with the base plate endoporus, a spacer shell with smart drill bushing and base plate assembles earlier, rotate to dog screw retaining and stop compacted position, can finish flange hole operation of counterboring.Circle round fast and take off smart drill bushing and the assembling of next position spacer shell, repeat above-mentioned each action, finish this manufacturing process 9 times repeatedly; With thick hinge cover, finish ream external member and repeat the action of above-mentioned operation, can finish crankshaft output end flange hole manufacturing process, guarantee the flange hole accuracy of manufacture.
Claims (4)
1. the drill jig servicing unit of a crankshaft of diesel engine flange hole, it is characterized in that: described drill jig servicing unit includes base plate (1), spacer shell (2), dog screw (5), flange hole quick change cover (3) and lifting bolt (4); Have circumferential a plurality of in order to the through hole of spacer shell to be installed on the described base plate (1); Described spacer shell (2) be the through hole on the corresponding base plate (1) arrange a plurality of; Each described spacer shell (2) is fixed in the corresponding through hole; Described flange hole quick change cover (3) is three kinds: smart drill bushing, thick hinge cover and finish ream cover; Described smart drill bushing, thick hinge are overlapped and are finish reamed and be enclosed within the different time mutual alternative, constitute described smart drill bushing or thick hinge cover or finish ream cover to cooperate the structure of processing flange hole with described spacer shell (2); Described lifting bolt (4) is two, is fixed on the corresponding both sides of base plate (1).
2. the drill jig servicing unit of crankshaft of diesel engine flange hole according to claim 1 is characterized in that: corresponding each flange hole quick change cover (3) setting of described dog screw (5).
3. the drill jig servicing unit of crankshaft of diesel engine flange hole according to claim 1 is characterized in that: have the positioning boss that cooperates for dog screw on the described flange hole quick change cover (3).
4. the drill jig servicing unit of crankshaft of diesel engine flange hole according to claim 1 is characterized in that: have on the described base plate (1) in order to the groove relative with crankshaft flange cylindrical groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642522 CN203197321U (en) | 2012-11-29 | 2012-11-29 | Drilling jig auxiliary device for crankshaft flange hole of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642522 CN203197321U (en) | 2012-11-29 | 2012-11-29 | Drilling jig auxiliary device for crankshaft flange hole of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197321U true CN203197321U (en) | 2013-09-18 |
Family
ID=49141461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220642522 Expired - Fee Related CN203197321U (en) | 2012-11-29 | 2012-11-29 | Drilling jig auxiliary device for crankshaft flange hole of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203197321U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950313A (en) * | 2012-11-29 | 2013-03-06 | 南车洛阳机车有限公司 | Drilling jig auxiliary deviceaid for crankshaft flange hole of diesel engine |
| CN106181476A (en) * | 2016-08-16 | 2016-12-07 | 辽宁五八内燃机配件有限公司 | Crankshaft end-face drilling connecting screw hole accessory |
| CN115008232A (en) * | 2022-06-01 | 2022-09-06 | 大连华锐船用曲轴有限公司 | Positioning device and method for replacing same hinge of marine crankshaft and ship shafting flange holes |
-
2012
- 2012-11-29 CN CN 201220642522 patent/CN203197321U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950313A (en) * | 2012-11-29 | 2013-03-06 | 南车洛阳机车有限公司 | Drilling jig auxiliary deviceaid for crankshaft flange hole of diesel engine |
| CN106181476A (en) * | 2016-08-16 | 2016-12-07 | 辽宁五八内燃机配件有限公司 | Crankshaft end-face drilling connecting screw hole accessory |
| CN115008232A (en) * | 2022-06-01 | 2022-09-06 | 大连华锐船用曲轴有限公司 | Positioning device and method for replacing same hinge of marine crankshaft and ship shafting flange holes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Qiming Chanhe Hui District in Henan province Luoyang City Road 471002 No. 2 Patentee after: CRRC LUOYANG CO., LTD. Address before: Qiming Chanhe Hui District in Henan province Luoyang City Road 471002 No. 2 Patentee before: CSR Luoyang Locomotive Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20171129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |