CN201500873U - Turbocharger check ring installer - Google Patents
Turbocharger check ring installer Download PDFInfo
- Publication number
- CN201500873U CN201500873U CN 200920187183 CN200920187183U CN201500873U CN 201500873 U CN201500873 U CN 201500873U CN 200920187183 CN200920187183 CN 200920187183 CN 200920187183 U CN200920187183 U CN 200920187183U CN 201500873 U CN201500873 U CN 201500873U
- Authority
- CN
- China
- Prior art keywords
- fairlead
- middle case
- ring
- turbocharger
- locating surface
- 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
Links
Images
Abstract
The utility model discloses a turbocharger check ring installer provided with a guide sleeve (1), wherein two ends of the guide sleeve (1) are respectively a guide sleeve loading end (10) and a guide sleeve push-off end (3); the guide sleeve (1) is internally provided with a guide cylindrical hole (7) and a guide conical hole (9) which are communicated with each other; and the larger-diameter orifice of the guide conical hole (9) is arranged at the guide sleeve loading end (10) of the guide sleeve (1). The adoption of the technical scheme leads the shrinking range of a check ring to be within a reasonable range, prevents the assembled check ring from deformation, avoids scratches generated between the check ring and the middle case bearing hole, reduces the probability of breaking the check ring and blocking the turbocharger spindle, and effectively ensures the assembly quality of the check ring. The check ring installer is formed by processing and heat-treating alloy constructional steel, and has simple processing and surface treatment processes and low manufacturing cost.
Description
Technical field
The utility model belongs to the technical field of automobile making technology and equipment thereof, relates to the manufacturing technology of turbocharger, and more particularly, the utility model relates to a kind of back-up ring erector of turbocharger.
Background technology
At present, turbocharger has been widely used in Diesel engine, and the utilization on petrol engine is also more and more general in recent years.Back-up ring generally all is installed in the middle case dead eye of turbocharger.Back-up ring in the turbocharger mainly plays the axially movable effect of restriction floating bearing.Back-up ring generally all is an eyelet wear-resisting and that have certain intensity, and external diameter is bigger than middle case dead eye internal diameter under free state.
Turbocharger is very high to the installation requirement of back-up ring.
Because under free state, the external diameter of back-up ring is bigger than middle case dead eye internal diameter, so when back-up ring is installed, back-up ring radially suitably must be shunk, in the middle case of could packing into smoothly.When back-up ring is installed, require to give the back-up ring radial direction to apply suitable external force, back-up ring is evenly shunk, and in the circlip groove of the middle case dead eye of in position back-up ring being packed into, make back-up ring fully expand and be stuck in the circlip groove fully.
The degree of require shrinking in the installation process must be suitable, otherwise back-up ring deformation crosses conference and influence its life-span and function, if install improperly, back-up ring can't accurately be installed in the circlip groove of middle case dead eye, can't rise floating bearing to stop and positioning action; In addition, can hold also that cut is caused in the hole, the equivalent damage or make back-up ring fracture of wearing and tearing, directly influence the reliability and the service life of booster middle columella.
In installation process,,, can scratch the middle case dead eye in the installation process because back-up ring hardness is higher if the back-up ring amount of contraction is too small; If the stressed after-contraction amount of back-up ring is excessive, can shortens back-up ring service life, even cause the back-up ring fracture.
If back-up ring ruptures, and find that not because the back-up ring size is less, the fragment that breaks in the middle case enters the middle case oil duct when installing in installation process, be difficult to take out, cause the middle case cleannes defective, and have to change middle case, cause economic loss; The fragment that ruptures in the booster use can enter floating bearing and turbine wheel shaft gap, gently then causes rotating shaft " wire drawing ", and is heavy then cause rotor stuck, causes that finally booster can't work.
The utility model content
Problem to be solved in the utility model provides a kind of back-up ring erector of turbocharger, its objective is back-up ring is packed in the turbocharger middle case circlip groove efficiently, smoothly and in good condition.
To achieve these goals, the technical scheme taked of the utility model is:
The back-up ring erector of this turbocharger provided by the utility model, be used for pack into middle case circlip groove in the turbocharger middle case of back-up ring, described middle case circlip groove is located in the middle case dead eye, described back-up ring erector is provided with fairlead, the two ends of described fairlead are respectively pack into end and fairlead of fairlead and release hold, be provided with the guide cylinder hole and the guiding conical bore of perforation in the described fairlead, the fairlead that the aperture that the diameter of described guiding conical bore is bigger the is located at described fairlead end of packing into.
For making the utility model more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present utility model and creativeness:
The port size of described guiding conical bore is greater than the diameter of described back-up ring under free state.
Described back-up ring erector is established push rod, described push rod is provided with coaxial two sections, be push rod section of pushing and handle, the end face of the described push rod section of pushing is a push rod pushing tow face, the end face that described handle is connected with the push rod section of pushing is the push rod locating surface, the described push rod section of pushing is a cylinder, and this cylindrical cylindrical and described guide cylinder hole form matched in clearance.
The structure at fairlead release end of described fairlead is a book cover shape, and the cylindrical of this book cover shape is a fairlead dead eye locating surface, and described fairlead dead eye locating surface and described middle case dead eye form matched in clearance.
Fairlead middle case endoporus coaxial linking to each other of locating surface on described fairlead dead eye locating surface and the fairlead, the middle case endoporus in described fairlead middle case endoporus locating surface and the turbocharger middle case forms matched in clearance.
Described fairlead middle case endoporus locating surface is connected with the fairlead axial locating surface of fairlead, and described fairlead axial locating surface is released the distance of holding to described fairlead, greater than the distance of middle case end face to described middle case circlip groove.
Described fairlead axial locating surface is released the distance of end than the distance big 0.01～0.04mm of middle case end face to described middle case circlip groove to described fairlead.
The length of the described push rod section of pushing, greater than the axial length of fairlead, this axial length is the described fairlead distance that end and fairlead release to hold of packing into.
The cone angle of described guiding conical bore is 10 °～12 °.
The utility model adopts technique scheme, guaranteed when back-up ring is installed, the back-up ring shrinkage amplitude is in reasonable range, back-up ring after preventing to assemble deforms, avoids to produce between back-up ring and the middle case dead eye and scratches, reduce the probability of back-up ring fracture even the stuck generation of booster main shaft, reduced the possibility of changing middle case, economic benefit is obvious; Effectively guaranteed the assembly quality of back-up ring, made that the installation process of turbocharger back-up ring is light, convenient, fast a, process efficiently; The utility model uses simple, and is easy to operate, can effectively improve efficiency of assembling; The utility model adopts structural alloy steel processing and forms through Overheating Treatment, and process and surface treatment process are simple, low cost of manufacture.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is the structural representation of the related back-up ring erector of the utility model;
Fig. 2 is the installment state schematic diagram of back-up ring erector shown in Figure 1.
Be labeled as among the figure:
1, fairlead, 2, push rod, 3, fairlead releases end, 4, fairlead dead eye locating surface, 5, fairlead middle case endoporus locating surface, 6, the fairlead axial locating surface, 7, guide cylinder hole, 8, push rod pushing tow face, 9, the guiding conical bore, 10, the fairlead end of packing into, 11, the push rod section of pushing, 12, the push rod locating surface, 13, back-up ring, 14, middle case, 15, the middle case end face, 16, middle case circlip groove, 17, the middle case dead eye, 18, the middle case endoporus.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1, Fig. 2 is a kind of back-up ring erector of turbocharger, is used for pack into middle case circlip groove 16 in the turbocharger middle case 14 of back-up ring 13, and described middle case circlip groove 16 is located in the middle case dead eye 17.
Back-up ring 13 in the turbocharger mainly plays the axially movable effect of restriction floating bearing.The hardness of back-up ring 13 is higher, and material is more crisp.
Because under free state, the external diameter of back-up ring 13 is bigger than middle case dead eye 17 internal diameters, so when back-up ring 13 is installed, back-up ring 13 radially suitably must be shunk, in the middle case 14 of could packing into smoothly.
In installation process,,, can scratch middle case dead eye 17 in the installation process because back-up ring 13 hardness are higher if back-up ring 13 amounts of contraction are too small; If back-up ring 13 stressed after-contraction amounts are excessive, can shorten 13 service lifes of back-up ring, even cause back-up ring 13 fractures.
If back-up ring 13 ruptures in installation process, and do not find when installing, because back-up ring 13 sizes are less, the fragment that breaks in the middle case 14 enters the middle case oil duct, is difficult to take out, and causes middle case 14 cleannes defective, and have to change middle case 14, cause economic loss; The fragment that ruptures in the booster use can enter floating bearing and turbine wheel shaft gap, gently then causes rotating shaft " wire drawing ", and is heavy then cause rotor stuck, causes that finally booster can't work.
The process of back-up ring 13 that middle case 14 therefore is installed is very important, is a long procedure consuming time in the booster assembling process.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realization is with pack into efficiently, smoothly and in good condition goal of the invention in the turbocharger middle case circlip groove of back-up ring, and the technical scheme that the utility model is taked is:
As depicted in figs. 1 and 2, the back-up ring erector of this turbocharger provided by the utility model is provided with fairlead 1, the two ends of described fairlead 1 are respectively pack into end 10 and fairlead of fairlead and release end 3, be provided with the guide cylinder hole 7 and the guiding conical bore 9 of perforation in the described fairlead 1, the fairlead that the aperture that the diameter of described guiding conical bore 9 is bigger is located at described fairlead 1 end 10 of packing into.
Said structure has solved at booster and has installed in the process of back-up ring 13, and back-up ring 13 installations are difficult, efficiency of assembling is low, scratch middle case dead eye 17 easily, and back-up ring 13 shrinks the inhomogeneous problems such as back-up ring 13 damages, fracture that cause.
Because guiding conical bore 9 and guide cylinder hole 7 rub for a long time with back-up ring 13, for fear of damage back-up ring 13, the fairlead 1 in the utility model is a columnar structure, adopts the material of structural alloy steel, and its hardness must be less than HRC50.In order to prevent that back-up ring 13 is caused wearing and tearing, the inner surface of fairlead 1 must be smooth.
The fairlead that the bigger aperture of diameter of guiding conical bore 9 is located at described fairlead 1 end 10 of packing into makes back-up ring 13 put into guiding conical bore 9 smoothly.
The fairlead inner surface is made up of the conical surface 9 and inner cylinder face 7, and guiding conical bore 9 mainly plays the radial compression back-up ring, and guide cylinder hole 7 is played guiding and extended.
As Fig. 2 represented be the function that the utlity model has: back-up ring 13 is installed in the middle case circlip groove 16 efficiently, easily, and is not damaged middle case dead eye 17, can not cause distortion, fracture of back-up ring 13 etc.
Below be concrete exemplifying embodiment of the present utility model:
One, the orifice diameter of guiding conical bore 9:
The port size of guiding conical bore 9 described in the utility model is greater than the diameter of described back-up ring 13 under free state.
Said structure guaranteed back-up ring 13 pack into smoothly the guiding conical bore 9.
Two, the setting of push rod 2:
Back-up ring erector described in the utility model is established push rod 2, described push rod 2 is provided with coaxial two sections, be push rod section of pushing 11 and handle, the end face of the described push rod section of pushing 11 is a push rod pushing tow face 8, the end face that described handle is connected with the push rod section of pushing 11 is a push rod locating surface 12, the described push rod section of pushing 11 is a cylinder, and this cylindrical cylindrical and described guide cylinder hole 7 form matched in clearance.
Three, fairlead is released the structure of end 3:
The structure at fairlead release end 3 of fairlead 1 described in the utility model is a book cover shape, and the cylindrical of this book cover shape is a fairlead dead eye locating surface 4, described fairlead dead eye locating surface 4 and described middle case dead eye 17 formation matched in clearance.
In order to prevent to damage middle case dead eye 17, fairlead 1 and middle case 14 cooperation places must leave corresponding gap.
Four, the setting of fairlead dead eye locating surface 4:
5 coaxial linking to each other of fairlead middle case endoporus locating surface on fairlead dead eye locating surface 4 described in the utility model and the fairlead 1, described fairlead middle case endoporus locating surface 5 forms matched in clearance with middle case endoporus 18 in the turbocharger middle case 14.
The diameter of fairlead dead eye locating surface 4 is less than the internal diameter of middle case dead eye 17, mainly in order to prevent to damage middle case dead eye 17; Fairlead external cylindrical surface 5 diameters also must be less than the diameter of middle case endoporus 18 in addition.
Each locating surface must be smooth, avoids damaging the middle case surface, influences product appearance.
Five, the setting of fairlead axial locating surface 6:
Fairlead middle case endoporus locating surface 5 described in the utility model is connected with the fairlead axial locating surface 6 of fairlead 1, described fairlead axial locating surface 6 is to the distance of described fairlead release end 3, greater than the distance of middle case end face 15 to described middle case circlip groove 16.
Fairlead axial locating surface 6, fairlead middle case endoporus locating surface 5 mainly play the role of positioning, make when fairlead axial locating surface 6 is fitted with middle case end face 15, fairlead is released end 3 just in middle case circlip groove 16, thus fairlead release end 3 must be with the distance of fairlead axial locating surface 6 greater than the distance of middle case circlip groove 16 with middle case end face 15.
Six, fairlead axial locating surface 6 is released the distance of end 3 to fairlead:
Fairlead axial locating surface 6 described in the utility model is released end 3 to described fairlead distance is bigger by 0.01～0.04 to the distance of described middle case circlip groove 16 than middle case end face 15.
Seven, the length of the push rod section of pushing 11:
The length of the push rod section of pushing 11 described in the utility model, greater than the axial length of fairlead 1, this axial length is that pack into end 10 and fairlead of described fairlead released the distance of end 3.
The length of the push rod section of pushing 11 has guaranteed that push rod 2 can release back-up ring 13 from the guide cylinder hole, enters in the middle case circlip groove 16.
Eight, the cone angle of guiding conical bore 9
The cone angle of guiding conical bore 9 described in the utility model is 10 °～12 °
Guiding conical bore 9 in the fairlead 1 is main in order to make back-up ring 13 that the process of one section radial contraction be arranged in fairlead 1, the distance of this section contraction can not be oversize can not be too short, the oversize efficiency of assembling that influences, too short, back-up ring 13 deformation time are too short, the back-up ring life-span can be influenced, so conical surface cone angle is generally got 10 °～12 °.
Nine, mounting process method:
At first fairlead axial locating surface 6 and middle case end face 15 are fitted, then back-up ring 13 is put into the guiding conical bore 9 of back-up ring fairlead, with push rod pushing tow face 8 back-up ring 13 is pressed into guide cylinder hole 7 from guiding conical bore 9, this process must be exerted oneself evenly, when push rod locating surface 12 and back-up ring fairlead are packed end 10 applyings into, back-up ring 13 promptly is loaded in the middle case circlip groove 16, thereby realizes the function of this utility model.
In this assembling process, back-up ring 13 from guiding conical bore 9 to guide cylinder hole 7 normal contraction radially, thereby avoided back-up ring 13 to scratch the possibility of middle case endoporus and back-up ring deformation failure.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (9)
1. the back-up ring erector of a turbocharger, be used for pack into middle case circlip groove (16) in the turbocharger middle case (14) of back-up ring (13), described middle case circlip groove (16) is located in the middle case dead eye (17), it is characterized in that: described back-up ring erector is provided with fairlead (1), the two ends of described fairlead (1) are respectively pack into end (10) and fairlead of fairlead and release end (3), be provided with the guide cylinder hole (7) and the guiding conical bore (9) of perforation in the described fairlead (1), the fairlead that the bigger aperture of diameter of described guiding conical bore (9) is located at described fairlead (1) end (10) of packing into.
2. according to the back-up ring erector of the described turbocharger of claim 1, it is characterized in that: the port size of described guiding conical bore (9) is greater than the diameter of described back-up ring (13) under free state.
3. according to the back-up ring erector of claim 1 or 2 described turbocharger, it is characterized in that: described back-up ring erector is established push rod (2), described push rod (2) is provided with coaxial two sections, be push rod section of pushing (11) and handle, the end face of the described push rod section of pushing (11) is a push rod pushing tow face (8), the end face that described handle is connected with the push rod section of pushing (11) is push rod locating surface (12), the described push rod section of pushing (11) is a cylinder, and this cylindrical cylindrical and described guide cylinder hole (7) form matched in clearance.
4. according to the back-up ring erector of the described turbocharger of claim 3, it is characterized in that: the structure at fairlead release end (3) of described fairlead (1) is a book cover shape, the cylindrical of this book cover shape is a fairlead dead eye locating surface (4), and described fairlead dead eye locating surface (4) forms matched in clearance with described middle case dead eye (17).
5. according to the back-up ring erector of the described turbocharger of claim 4, it is characterized in that: coaxial the linking to each other of fairlead middle case endoporus locating surface (5) on described fairlead dead eye locating surface (4) and the fairlead (1), described fairlead middle case endoporus locating surface (5) forms matched in clearance with middle case endoporus (18) in the turbocharger middle case (14).
6. according to the back-up ring erector of the described turbocharger of claim 5, it is characterized in that: described fairlead middle case endoporus locating surface (5) is connected with the fairlead axial locating surface (6) of fairlead (1), described fairlead axial locating surface (6) is released the distance of holding (3) to described fairlead, greater than the distance of middle case end face (15) to described middle case circlip groove (16).
7. according to the back-up ring erector of the described turbocharger of claim 6, it is characterized in that: described fairlead axial locating surface (6) is released end (3) to described fairlead distance is bigger by 0.01～0.04 to the distance of described middle case circlip groove (16) than middle case end face (15).
8. according to the back-up ring erector of the described turbocharger of claim 7, it is characterized in that: the length of the described push rod section of pushing (11), greater than the axial length of fairlead (1), this axial length is that pack into end (10) and fairlead of described fairlead released the distance of end (3).
9. according to the back-up ring erector of claim 1 or 2 described turbocharger, it is characterized in that: the cone angle of described guiding conical bore (9) is 10 °～12 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920187183 CN201500873U (en) | 2009-08-27 | 2009-08-27 | Turbocharger check ring installer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920187183 CN201500873U (en) | 2009-08-27 | 2009-08-27 | Turbocharger check ring installer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201500873U true CN201500873U (en) | 2010-06-09 |
Family
ID=42451815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920187183 Expired - Fee Related CN201500873U (en) | 2009-08-27 | 2009-08-27 | Turbocharger check ring installer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201500873U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692376A (en) * | 2012-09-27 | 2014-04-02 | 博世汽车部件(长沙)有限公司 | Manual fixture |
| CN104511739A (en) * | 2013-09-27 | 2015-04-15 | 林州重机集团股份有限公司 | Oil cylinder seal assembly guide device |
| CN103692376B (en) * | 2012-09-27 | 2016-11-30 | 博世汽车部件(长沙)有限公司 | Manual |
| CN109202808A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | The mounting tool of hole retainer ring |
| CN112077568A (en) * | 2020-09-15 | 2020-12-15 | 合肥雷光动力科技有限公司 | Automatic check ring assembling mechanism for turbocharger |
-
2009
- 2009-08-27 CN CN 200920187183 patent/CN201500873U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692376A (en) * | 2012-09-27 | 2014-04-02 | 博世汽车部件(长沙)有限公司 | Manual fixture |
| CN103692376B (en) * | 2012-09-27 | 2016-11-30 | 博世汽车部件(长沙)有限公司 | Manual |
| CN104511739A (en) * | 2013-09-27 | 2015-04-15 | 林州重机集团股份有限公司 | Oil cylinder seal assembly guide device |
| CN109202808A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | The mounting tool of hole retainer ring |
| CN112077568A (en) * | 2020-09-15 | 2020-12-15 | 合肥雷光动力科技有限公司 | Automatic check ring assembling mechanism for turbocharger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201500873U (en) | Turbocharger check ring installer | |
| CN204331094U (en) | A kind of optical fiber contact | |
| CN207058486U (en) | Closed Extrusion film damper assembly tool with certralizing ability | |
| CN201511339U (en) | Turbine end piston ring installer of turbo-charger | |
| CN105328437A (en) | Planetary gear bearing disassembling tooling | |
| CN107471152A (en) | A kind of full-floating type round nut assembling and disassembling device | |
| CN203319378U (en) | Tensioning device | |
| CN211117118U (en) | Slewing bearing with large balls and small balls separated from each other | |
| CN201736003U (en) | Bearing dismounting device | |
| CN204549591U (en) | A kind of paper in reel rewinding machine air roll | |
| CN101780631A (en) | Bearing removing device | |
| CN215251411U (en) | Safety pin for blowing lapper | |
| CN103481970B (en) | One manufactures that concrete pump vehicle supporting leg bearing pin is harmless disassembles technique again | |
| CN201264480Y (en) | Casing tube type end head flange shaft | |
| CN210147966U (en) | Novel hollow pin shaft dismounting tool | |
| CN100343147C (en) | Bobbin holder | |
| CN201391327Y (en) | Mechanical extension bar prop for hydraulic bracket | |
| CN205200968U (en) | Frock is dismantled to planet wheel bearing | |
| CN206282665U (en) | The drum thimble of frame type stranding machine and tension pulley fit structure | |
| CN202162777U (en) | Guide piece and pulley spindle mounting component | |
| CN212146227U (en) | Special device for dismounting intermediate shaft bearing of gearbox | |
| CN202053224U (en) | Cone-shaped installation device for main shaft pin | |
| CN210282125U (en) | Sealed accurate device of installing and removing | |
| CN201235523Y (en) | Bearing dismantling and installing device | |
| CN219562945U (en) | Water pump impeller dismounting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20120827 |