CN113695633A - Inclined oil hole drilling tool for bearing shell of supercharger - Google Patents
Inclined oil hole drilling tool for bearing shell of supercharger Download PDFInfo
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- CN113695633A CN113695633A CN202111095527.3A CN202111095527A CN113695633A CN 113695633 A CN113695633 A CN 113695633A CN 202111095527 A CN202111095527 A CN 202111095527A CN 113695633 A CN113695633 A CN 113695633A
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- bearing shell
- oil hole
- inclined oil
- angle iron
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- 238000005553 drilling Methods 0.000 title claims abstract description 57
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 40
- 238000003754 machining Methods 0.000 abstract description 10
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
- B23Q16/06—Rotary indexing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supercharger (AREA)
Abstract
The invention relates to the technical field of diesel engines, in particular to a supercharger bearing shell inclined oil hole drilling tool which comprises a base, positioning angle iron, a positioning mandrel, an indexing plate, a first positioning bolt, a shaft lever, a first key body, a second key body and two drill sleeves, wherein the base is arranged on a workbench of a drilling machine, a first pin hole is formed in the vertical end surface of the base, the positioning angle iron and the indexing plate are respectively positioned on two sides of the vertical end surface of the base, and one end of the shaft lever sequentially penetrates through the positioning angle iron, the vertical end surface of the base and the indexing plate; through the structural arrangement, the problem that the bearing shell cannot be directly positioned during processing of two inclined oil holes is solved; the axial size of the inclined oil hole cannot be directly measured and controlled due to the limitation of the bearing shell structure; the diameter of the inclined oil hole is small, the strength of the drill bit is low, and the drill bit is easy to break during drilling; the inclined oil hole is deep in drilling depth, the drill bit is small, and the problem of angle and axial position deviation of the machined inclined oil hole is easily caused during drilling and machining.
Description
Technical Field
The invention relates to the technical field of diesel engines, in particular to a drilling tool for an inclined oil hole of a bearing shell of a supercharger.
Background
In recent years, with the change of international situation, the automobile manufacturing industry in China is rapidly developed, and the market share keeps the global leading position. The state of the art supercharger, an important component of a diesel engine as a main power unit, directly affects the operating efficiency of the diesel engine.
The bearing shell is an important component of the supercharger, is connected between the compressor shell and the turbine shell, is internally provided with a bearing body component, a turbine shaft and the like, and plays a role in connecting front and back and transmitting power. Two oblique oilholes on the bearing shell are mainly used for supplying oil to and lubricating two bearings on the main shaft, so that the main shaft is ensured to rotate smoothly, and meanwhile, the positions of the oblique oilholes are controlled to be communicated with the oil inlet hole so as to ensure that the oil is supplied fully. The processing of two oblique oil holes of the bearing shell mainly has the following difficulties: in the aspect of the structure of the bearing shell, the blank is a casting, the structure is pagoda-shaped, the inclined oil hole is in the bearing shell, and the inclined oil hole cannot be directly positioned during processing; the axial position of the oblique oil hole directly influences whether the oil supply is sufficient or not, so the axial position of the oblique oil hole needs to be strictly controlled, but the axial size of the oblique oil hole cannot be directly measured and controlled due to the limitation of a bearing shell structure; the diameter of the inclined oil hole is small (the diameter is 2mm), the strength of the drill bit is low, and the drill bit is easy to break during drilling; the invention provides a drilling tool for inclined oil holes of bearing shells of superchargers, which is characterized in that the drilling depth of the inclined oil holes is deep, the drill bit is small, and the deviation of the angle and the axial position of the processed inclined oil holes is easily caused during drilling.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the invention provides a drilling tool for an inclined oil hole of a bearing shell of a supercharger.
The invention provides a supercharger bearing shell inclined oil hole drilling tool which comprises a base, a positioning angle iron, a positioning mandrel, a dividing plate, a first positioning bolt, a shaft lever, a first key body, a second key body and two drill sleeves, wherein the base is arranged on a drilling machine workbench, a first pin hole is formed in the vertical end surface of the base, the positioning angle iron and the dividing plate are respectively positioned on two sides of the vertical end surface of the base, the shaft lever is provided with two groove bodies, and one end of the shaft lever sequentially penetrates through the positioning angle iron, the vertical end surface of the base and the dividing plate;
the positioning angle iron and the outer edge of the axial center of the dividing plate are respectively provided with a clamping groove, each clamping groove is attached to the corresponding groove body, the first key body is arranged between one groove body on the shaft lever and the clamping groove on the dividing plate, the second key body is arranged between the other groove body on the shaft lever and the clamping groove on the positioning angle iron, the dividing plate is provided with two second pin holes, one end of the first positioning bolt penetrates through any one of the second pin holes and is arranged in the first pin hole, the positioning core shaft is arranged below the positioning angle iron, the positioning core shaft is symmetrically provided with two inclined holes, and when the inclined oil hole on the bearing shell needs to be drilled, each drilling sleeve is assembled on the corresponding inclined hole.
The bearing shell is arranged below the positioning angle iron, the indexing plate is rotated to drive the bearing shell to rotate together, after one second pin hole on the indexing plate is superposed with the center of the first pin hole on the base, the first positioning bolt is used for fixing a position, at the moment, the center of one inclined hole on the positioning mandrel is the position of the center of one inclined oil hole on the bearing shell, after the inclined oil hole is machined, the first positioning bolt is taken out, the indexing plate is rotated again, so that the center of the other second pin hole on the indexing plate is superposed with the center of the first pin hole on the base, the positioning bolt is used for fixing a position, at the moment, the center of the other inclined hole on the positioning mandrel is the center of the other inclined oil hole on the bearing shell, and then the bearing shell is drilled, and finishing the drilling processing of the inclined oil hole.
The bearing shell is locked by one end of the first bolt, and the other end of the first bolt penetrates through the positioning angle iron and the first washer and is in threaded connection with the first nut.
Through the one end of first bolt locks the outer wall of bearing housing, then the other end of first bolt runs through location angle bar to with first nut carries out threaded connection, prescribes a limit to the bearing housing position with this, in addition the setting of first packing ring can increase area of contact for the bearing housing mounted position is more stable.
Wherein, the inclined oil hole drilling tool of supercharger bearing shell still includes the screw, the one end of screw runs through the location angle bar to with positioning mandrel threaded connection.
The setting of screw can further guarantee that bearing housing mounted position is more stable, does benefit to follow-up processing to oblique oilhole on the bearing housing.
The shaft rod comprises a shaft body and a first positioning bushing, the first positioning bushing is rotatably connected with the vertical end face of the base, and the shaft body penetrates through the first positioning bushing.
After the shaft body and the vertical end face of the base rotate for multiple times, a positioning gap is increased, and machining errors are caused, so that the first positioning bushing is arranged between the shaft body and the base to reduce time and cost for maintaining a tool in a subsequent use process.
The supercharger bearing shell inclined oil hole drilling tool further comprises a second positioning bushing and a third positioning bushing, the second positioning bushing is arranged inside the first pin hole, and the third positioning bushing is arranged inside the second pin hole.
The first positioning pin is arranged in the second positioning bushing, the third positioning bushing is arranged in the second pin hole, the increase of positioning gaps between the first positioning pin and the first pin hole and between the first positioning pin and the second pin hole can be effectively avoided, the machining error is avoided, and meanwhile, the time and the cost for maintaining the tool in the subsequent use process can be reduced.
The inclined oil hole drilling tool for the bearing shell of the supercharger further comprises a second gasket and a second nut, the second gasket is sleeved outside the shaft rod, the second nut is rotatably connected with the shaft rod, and the second nut abuts against the second gasket.
The second nut and the second washer are used for limiting the position of the indexing disc.
The invention relates to a drilling tool for oblique oil holes of a bearing shell of a supercharger, a bearing shell is arranged below a positioning angle iron, the bearing shell is driven to rotate together by rotating a dividing plate, after one second pin hole on the dividing plate is superposed with the center of a first pin hole on a base, a first positioning bolt is used for fixing a position, at the moment, the center of one oblique hole on a positioning mandrel is the position of the center of one oblique oil hole on the bearing shell, after the oblique oil hole is machined, the first positioning bolt is taken out, the dividing plate is rotated again, so that the center of the other second pin hole on the dividing plate is superposed with the center of the first pin hole on the base, the positioning bolt is used for fixing a position, at the moment, the center of the other oblique hole on the positioning mandrel is the position of the center of the other oblique oil hole on the bearing shell, and then drilling the inclined oil hole to finish the drilling processing of the inclined oil hole. Therefore, the problem that the bearing shell cannot be directly positioned during processing existing in the processing of two inclined oil holes is solved; the axial size of the inclined oil hole cannot be directly measured and controlled due to the limitation of the bearing shell structure; the diameter of the inclined oil hole is small, the strength of the drill bit is low, and the drill bit is easy to break during drilling; the inclined oil hole is deep in drilling depth, the drill bit is small, and the problem of angle and axial position deviation of the machined inclined oil hole is easily caused during drilling and machining.
Drawings
FIG. 1 is a schematic view of the internal structure of the inclined oil hole drilling tool for a bearing housing of a supercharger according to the present invention.
FIG. 2 is a partial schematic structural view of the inclined oil hole drilling tool for the bearing shell of the supercharger according to the present invention.
Fig. 3 is a schematic view of the construction of the shaft of the present invention.
Fig. 4 is a schematic view of the structure of the index plate of the present invention.
Fig. 5 is a cross-sectional view of an index plate of the present invention.
FIG. 6 is a structural cross-sectional view of a positioning mandrel of the present invention.
1-base, 2-first bolt, 3-first washer, 4-first nut, 5-positioning angle iron, 6-positioning mandrel, 7-screw, 8-first positioning bush, 9-shaft rod, 10-second positioning bush, 11-dividing plate, 12-third positioning bush, 13-first positioning bolt, 14-first key body, 15-second washer, 16-second nut, 17-drill bush, 20-second key body, 21-bolt body, 22-positioning piece, 61-step circle, 62-mandrel piece, 91-shaft body, 111-first pin hole, 112-second pin hole, 113-inclined hole and 131-anti-skid grain.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
In the present embodiment, the terms "upper", "lower", "left", "right", "front", "rear", "upper end", "lower end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 6, the invention provides a supercharger bearing shell inclined oil hole drilling tool, which includes a base 1, a positioning angle iron 5, a positioning mandrel 6, an indexing plate 11, a first positioning bolt 13, a shaft lever 9, a first key body 14, a second key body 20 and two drill bushings 17, wherein the base 1 is arranged on a drilling machine workbench, a first pin hole 111 is formed in a vertical end surface of the base 1, the positioning angle iron 5 and the indexing plate 11 are respectively located on two sides of the vertical end surface of the base 1, the shaft lever 9 is provided with two groove bodies, and one end of the shaft lever 9 sequentially penetrates through the positioning angle iron 5, the vertical end surface of the base 1 and the indexing plate 11;
the outer edges of the axial centers of the positioning angle iron 5 and the dividing plate 11 are respectively provided with a clamping groove, each clamping groove is attached to the corresponding groove body, and the first key body 14 is arranged between one of the groove bodies on the shaft lever 9 and the clamping groove on the dividing plate 11, the second key body 20 is arranged between the other groove body on the shaft lever 9 and the clamping groove on the positioning angle iron 5, the indexing plate 11 is provided with two second pin holes 112, one end of the first positioning bolt 13 penetrates through any one of the second pin holes 112, and is placed in the first pin hole 111, the positioning mandrel 6 is placed below the positioning angle iron 5, two inclined holes 113 are symmetrically formed in the positioning mandrel 6, and when inclined oil holes in a bearing shell need to be drilled, each drill bushing 17 is assembled on the corresponding inclined hole 113.
In this embodiment, the base 1 is used as a base of an oblique oil hole drilling tool and is connected to a drill press workbench through the bottom surface of the base 1, the first pin hole 111 is provided on the plane of the vertical end surface of the base 1 and corresponds to the two second pin holes 112 on the index plate 11, respectively, so as to determine the machining angles of the two oblique oil holes on the bearing housing;
the positioning angle iron 5 is a positioning reference of the bearing shell and the drilling tool, and the bearing shell is arranged on the drilling tool through a hole and an end face on the positioning angle iron 5;
the positioning mandrel 6 is fixedly connected with the positioning angle iron 5, the positioning mandrel 6 is provided with two inclined holes 113, the two inclined holes 113 correspond to the positions of the two inclined oil holes on the bearing shell, and the positions of the two inclined oil holes on the bearing shell are controlled by controlling the positions of the two inclined holes 113 on the positioning mandrel 6;
the shaft rod 9 is connected with the indexing plate 11 through the first key body 14, and is connected with the positioning angle iron 5 through the second key body 20, so that the positioning angle iron 5 and the indexing plate 11 are driven to rotate together;
the index plate 11 is connected to the shaft 9 through the first key 14, and the index plate 11 rotates together with the shaft 9 and the positioning angle 5. The indexing plate 11 is provided with two second pin holes 112 corresponding to the first pin holes 111 on the base 1, and the machining angles of the two oblique oil holes are determined by rotating the second pin holes 112 on the indexing plate 11 to coincide with the first pin holes 111 on the base 1;
the second pin hole 112 on the indexing plate 11 is overlapped with the first pin hole 111 on the vertical surface of the base 1 to form a machining angle of one oblique oil hole of the bearing shell, at this time, the first positioning bolt 13 is inserted into the overlapped pin hole to fix the relative position of the indexing plate 11 and the base 1, after one oblique oil hole of the bearing shell is machined, the first positioning bolt 13 is taken out, the indexing plate 11 is rotated to make the other second pin hole 112 of the indexing plate 11 be overlapped with the first pin hole 111 of the base 1, the first positioning bolt 13 is inserted, and the other oblique oil hole of the bearing shell is machined;
the drill bushing 17 is positioned and assembled on the two inclined holes 113 of the positioning mandrel 6 through the outer circle thereof, so that the positioning and guiding functions during drilling are achieved, and the drilling deviation or the breakage caused by too long drill bits during drilling are prevented. (the drill bushing 17 is cylindrical, the outer circle of the drill bushing is in small interference fit with the inclined hole 113 of the positioning mandrel 6, the drill bushing is slightly knocked in when the drill bushing is used, the inner hole of the drill bushing 17 is in clearance fit with a drill bit and used for positioning and guiding, for the processing of a sample workpiece, the two inclined holes 113 with the model phi 6 on the positioning mandrel 6 can be directly processed into phi 2 for positioning without using the drill bushing 17, and when batch workpieces are processed, the positioning precision of a positioning pin hole is slowly damaged in the drilling process, so that the positioning is inaccurate, and only the drill bushing 17 needs to be replaced in order to reduce the maintenance cost of a tool).
The method specifically comprises the following steps: the bearing shell is arranged below the positioning angle iron 5, the indexing plate 11 is rotated to drive the bearing shell to rotate together, after one second pin hole 112 on the indexing plate 11 is superposed with the center of the first pin hole 111 on the base 1, the first positioning bolt 13 is used for fixing the position, at the moment, the center of one inclined hole 113 on the positioning mandrel 6 is the position of the center of one inclined oil hole on the bearing shell, after the inclined oil hole is machined, the first positioning bolt 13 is taken out, the indexing plate 11 is rotated again, so that the center of the other second pin hole 112 on the indexing plate 11 is superposed with the center of the first pin hole 111 on the base 1, the positioning bolt is used for fixing the position, at the moment, the center of the other inclined hole 113 on the positioning mandrel 6 is the position of the center of the other inclined oil hole on the bearing shell, and then drilling the inclined oil hole to finish the drilling processing of the inclined oil hole. Therefore, the problem that the bearing shell cannot be directly positioned during processing existing in the processing of two inclined oil holes is solved; the axial size of the inclined oil hole cannot be directly measured and controlled due to the limitation of the bearing shell structure; the diameter of the inclined oil hole is small, the strength of the drill bit is low, and the drill bit is easy to break during drilling; the inclined oil hole is deep in drilling depth, the drill bit is small, and the problem of angle and axial position deviation of the machined inclined oil hole is easily caused during drilling and machining.
Further, the supercharger bearing shell inclined oil hole drilling tool further comprises a first bolt 2, a first washer 3 and a first nut 4, one end of the first bolt 2 locks the bearing shell, and the other end of the first bolt 2 penetrates through the positioning angle iron 5 and the first washer 3 and is in threaded connection with the first nut 4;
the first bolt 2 comprises a bolt body 21 and a positioning piece 22, the positioning piece 22 supports against the side wall of the bearing shell, one end of the bolt body 21 and the positioning piece 22 are integrally formed, and the other end of the bolt body 21 penetrates through the positioning angle iron 5 and the first washer 3 and is in threaded connection with the first nut 4.
In this embodiment, the outer wall of the bearing housing is locked by the positioning member 22, and then the other end of the first bolt 2 penetrates through the positioning angle iron 5 and is in threaded connection with the first nut 4, so as to limit the position of the bearing housing, and in addition, the arrangement of the first gasket 3 can increase the contact area, so that the mounting position of the bearing housing is more stable.
Further, the inclined oil hole drilling tool for the bearing shell of the supercharger also comprises a screw 7, wherein one end of the screw 7 penetrates through the positioning angle iron 5 and is in threaded connection with the positioning mandrel 6.
In this embodiment, the setting of screw 7 can further guarantee that bearing housing mounted position is more stable, does benefit to follow-up processing to oblique oilhole on the bearing housing.
Further, the shaft rod 9 includes a shaft body 91 and a first positioning bush 8, the first positioning bush 8 is rotatably connected with the vertical end surface of the base 1, and the shaft body 91 penetrates through the first positioning bush 8;
the supercharger bearing shell inclined oil hole drilling tool further comprises a second positioning bushing 10 and a third positioning bushing 12, wherein the second positioning bushing 10 is arranged inside the first pin hole 111, and the third positioning bushing 12 is arranged inside the second pin hole 112.
In this embodiment, after the shaft body 91 and the vertical end surface of the base 1 rotate for multiple times, a positioning gap may increase, which may cause a machining error, so that the first positioning bushing 8 is disposed between the shaft body 91 and the base 1 to reduce time and cost for tool maintenance in a subsequent use process, and in addition, the second positioning bushing 10 is disposed in the first pin hole 111, and the third positioning bushing 12 is disposed in the second pin hole 112, which may effectively prevent an increase in positioning gap between the first positioning pin 13 and each of the first pin hole 111 and the second pin hole 112, thereby avoiding a machining error, and simultaneously, may reduce time and cost for tool maintenance in a subsequent use process.
Further, the supercharger bearing shell inclined oil hole drilling tool further comprises a second washer 15 and a second nut 16, the second washer 15 is sleeved outside the shaft rod 9, the second nut 16 is rotatably connected with the shaft rod 9, and the second nut 16 abuts against the second washer 15.
In the present embodiment, the second nut 16 and the second washer 15 are used to define the position of the index plate, and specifically, the second nut 16 and the second washer 15 are connected to the positioning angle 5, the shaft 9, and the index plate 11 by being positioned by a key and rotated together as a whole by a screw thread on the shaft 9.
Further, a plurality of anti-slip threads 131 are arranged at the holding position of the first positioning bolt 13. The positioning core shaft 6 comprises a step circle 61 and a core shaft part 62, a threaded hole is formed in the step circle 61, the core shaft part 62 and the step circle 61 are integrally formed, and one end of the screw 7 penetrates through the positioning angle iron 5 and is in threaded connection with the threaded hole.
In this embodiment, the anti-slip pattern 131 is provided to increase the roughness of the held portion of the first positioning pin 13. The mandrel part 62 is connected with the positioning angle iron 5 through the step circle 61 and the step end face, and is pressed and fixed with the positioning angle iron 5 through two screw holes and one positioning pin hole, so that the positioning mandrel 6 and the positioning angle iron 5 are prevented from relative rotation dislocation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and those skilled in the art should understand that the technical solutions of the present invention can be modified or substituted with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides an oblique oilhole instrument of booster bearing shell which characterized in that:
the positioning core shaft is arranged on a drilling machine workbench, a first pin hole is formed in the vertical end face of the base, the positioning angle iron and the indexing plate are respectively located on two sides of the vertical end face of the base, two groove bodies are arranged on the shaft rod, and one end of the shaft rod sequentially penetrates through the positioning angle iron, the vertical end face of the base and the indexing plate;
the positioning angle iron and the outer edge of the axial center of the dividing plate are respectively provided with a clamping groove, each clamping groove is attached to the corresponding groove body, the first key body is arranged between one groove body on the shaft lever and the clamping groove on the dividing plate, the second key body is arranged between the other groove body on the shaft lever and the clamping groove on the positioning angle iron, the dividing plate is provided with two second pin holes, one end of the first positioning bolt penetrates through any one of the second pin holes and is arranged in the first pin hole, the positioning core shaft is arranged below the positioning angle iron, the positioning core shaft is symmetrically provided with two inclined holes, and when the inclined oil hole on the bearing shell needs to be drilled, each drilling sleeve is assembled on the corresponding inclined hole.
2. The inclined oil hole drilling tool for the bearing shell of the supercharger according to claim 1, wherein:
the inclined oil hole drilling tool for the bearing shell of the supercharger further comprises a first bolt, a first washer and a first nut, the bearing shell is locked at one end of the first bolt, and the other end of the first bolt penetrates through the positioning angle iron and the first washer and is in threaded connection with the first nut.
3. The inclined oil hole drilling tool for the bearing shell of the supercharger according to claim 2, wherein:
the inclined oil hole drilling tool for the bearing shell of the supercharger further comprises a screw, wherein one end of the screw penetrates through the positioning angle iron and is in threaded connection with the positioning mandrel.
4. The inclined oil hole drilling tool for the bearing shell of the supercharger according to claim 3, wherein:
the shaft rod comprises a shaft body and a first positioning bushing, the first positioning bushing is rotatably connected with the vertical end face of the base, and the shaft body penetrates through the first positioning bushing.
5. The inclined oil hole drilling tool for the bearing shell of the supercharger according to claim 4, wherein:
the inclined oil hole drilling tool for the bearing shell of the supercharger further comprises a second positioning bushing and a third positioning bushing, the second positioning bushing is arranged inside the first pin hole, and the third positioning bushing is arranged inside the second pin hole.
6. The inclined oil hole drilling tool for the bearing shell of the supercharger according to claim 5, wherein:
the inclined oil hole drilling tool for the bearing shell of the supercharger further comprises a second gasket and a second nut, the second gasket is sleeved outside the shaft rod, the second nut is rotatably connected with the shaft rod, and the second nut abuts against the second gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111095527.3A CN113695633A (en) | 2021-09-17 | 2021-09-17 | Inclined oil hole drilling tool for bearing shell of supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111095527.3A CN113695633A (en) | 2021-09-17 | 2021-09-17 | Inclined oil hole drilling tool for bearing shell of supercharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113695633A true CN113695633A (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111095527.3A Pending CN113695633A (en) | 2021-09-17 | 2021-09-17 | Inclined oil hole drilling tool for bearing shell of supercharger |
Country Status (1)
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| CN (1) | CN113695633A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466601A (en) * | 1982-05-06 | 1984-08-21 | Raines James G | Holding fixture for drilling oblique holes |
| CN102000855A (en) * | 2010-11-12 | 2011-04-06 | 无锡明珠增压器制造有限公司 | Die drilling clamp of two inclined connecting holes of middle shell |
| CN202684551U (en) * | 2012-06-27 | 2013-01-23 | 杭州鹏航机械制造有限公司 | Hemisphere punching fixture |
| CN204724898U (en) * | 2015-06-05 | 2015-10-28 | 湖北三环锻造有限公司 | Differential carrier effusion wall boring grab |
| CN109454269A (en) * | 2018-11-07 | 2019-03-12 | 泰安泰山福神齿轮箱有限责任公司 | Fixture for forming device for inclined hole |
| CN209349553U (en) * | 2018-12-26 | 2019-09-06 | 无锡威孚中意齿轮有限责任公司 | The indexing driller of ring gear tooth socket radial direction oil hole |
-
2021
- 2021-09-17 CN CN202111095527.3A patent/CN113695633A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466601A (en) * | 1982-05-06 | 1984-08-21 | Raines James G | Holding fixture for drilling oblique holes |
| CN102000855A (en) * | 2010-11-12 | 2011-04-06 | 无锡明珠增压器制造有限公司 | Die drilling clamp of two inclined connecting holes of middle shell |
| CN202684551U (en) * | 2012-06-27 | 2013-01-23 | 杭州鹏航机械制造有限公司 | Hemisphere punching fixture |
| CN204724898U (en) * | 2015-06-05 | 2015-10-28 | 湖北三环锻造有限公司 | Differential carrier effusion wall boring grab |
| CN109454269A (en) * | 2018-11-07 | 2019-03-12 | 泰安泰山福神齿轮箱有限责任公司 | Fixture for forming device for inclined hole |
| CN209349553U (en) * | 2018-12-26 | 2019-09-06 | 无锡威孚中意齿轮有限责任公司 | The indexing driller of ring gear tooth socket radial direction oil hole |
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Application publication date: 20211126 |