CN205057440U - Oil pump shaft pressure -bearing fit -up man utensil - Google Patents
Oil pump shaft pressure -bearing fit -up man utensil Download PDFInfo
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- CN205057440U CN205057440U CN201520687802.4U CN201520687802U CN205057440U CN 205057440 U CN205057440 U CN 205057440U CN 201520687802 U CN201520687802 U CN 201520687802U CN 205057440 U CN205057440 U CN 205057440U
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- cylinder
- bearing
- oil pump
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- press
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- 239000000463 material Substances 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000954 Medium-carbon steel Inorganic materials 0.000 claims description 3
- 229910001315 Tool steel Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides an oil pump shaft pressure -bearing fit -up man utensil, including pressure head, position sleeve and base. The pressure head is the notch cuttype solid of revolution of compriseing cylinder I, cylinder II, cylinder III, cylinder IV and boundary cylinder. The position sleeve is the notch cuttype solid of revolution of compriseing cylinder V and cylinder VI. It has a cylindrical through -hole I to open on the axis of position sleeve. The base has the disc of annular flange for one side. The center of base has a cylindrical through -hole II. During the pressure equipment, the position sleeve is installed on the base, and the upper end of position sleeve is arranged in to the oil pump body, and pressure equipment bottom outlet department is arranged in to the bearing, the pressure head carries out the pressure equipment along with slow decline of equipment main shaft to the bearing. The utility model discloses can guarantee effectively that bearing pressure equipment position is accurate, firm, reduce operator labor intensity, improve work efficiency.
Description
Technical field
The utility model belongs to the manufacture mounting technology field of oil pump, is specifically related to press-fiting of oil pump bearing.
Background technology
The gearshift procedure of automatic gearshift automobile, is completed automatically by automatic gear-box, and its gear shift power drives transmission oil to provide by oil pump, and can say, oil pump is automatic gear-box " heart ".During automatic gear-box work, engine drives oil pump inner rotator by fluid torque-converter shift fork, exports each pressure actuation oil, advances gearshift motion, completes self-shifting process.During shift fork driving rotor, relative motion is produced with oil pump, work long hours, very easily produce wearing and tearing, generally adopt in the industry the mode of installing a bearing in the middle of shift fork and oil pump to strengthen abrasive resistance, improve automotive service life, because bearing belongs to wearing piece, its assembling is accurate, firmly very crucial, generally adopts in the industry the mode press-fited that bearing is loaded oil pump.
Gear box oil pump process for making is complicated, the accuracy of manufacture is high, and early investment is large, profit is low, and application common apparatus is processed this product and lacked experience, and technical difficulty is large.Along with the aggravation of global market competition severity, the domestic development and application to gear box oil pump at present reduces gradually, and under existence conditions, use common apparatus exploitation to manufacture the development of gear box oil pump to promotion Domestic Automotive Industry, gearbox industry has extremely important effect.
Summary of the invention
The purpose of this utility model is the problems such as the precision of solution oil pump bearing press mounting is not enough, efficiency of assembling is low.
The technical scheme adopted for realizing the utility model object is such, and a kind of oil pump bearing press-mounting tool, comprises pressure head, positioning sleeve and base.
The notch cuttype revolving body that described pressure head is made up of cylinder I, cylinder II, cylinder III, cylinder IV and boundary cylinder.The upper end of described boundary cylinder is connected with the lower end of cylinder IV.The lower end of described boundary cylinder is connected with the upper end of cylinder I.The lower end of described cylinder I is connected with the upper end of cylinder II.The lower end of described cylinder II is connected with the upper end of cylinder III.The tactical diameter of described cylinder I, cylinder II, cylinder III, cylinder IV and boundary cylinder is D1, D2, D3, D4 and D0 respectively, wherein D0 > D1 > D2 > D3 and D0 > D4.
The notch cuttype revolving body that described positioning sleeve is made up of cylinder V and cylinder VI.The axis of described positioning sleeve has a cylindrical hole I.The tactical diameter of described cylinder V and cylinder VI is respectively d5 and d6, wherein d5 < d6.
Described base is the disk of side with annular flange flange.The center of described base has a cylindrical hole II.The external diameter of described annular flange flange is equal with the external diameter of base.
When press-fiting, described pressure head is arranged on press-loading device, and cylinder IV is gripped.Described positioning sleeve is arranged on base, and cylinder V embeds in through hole II.Oil pump body is placed in the upper end of positioning sleeve, the largest circumference of oil pump body and the inwall of base upper annular flange are fitted.Bearing is placed in and press-fits bottom orifice.Described pressure head slowly declines with machine spindle and to press-fit bearing, and its cylinder III embeds in through hole I, and cylinder II embeds brearing bore, and the step surface between cylinder I and cylinder II and the side plane of bearing are fitted.
Further, described cylinder II and brearing bore matched in clearance.Matched in clearance between described cylinder III and through hole I.Interference fit between described cylinder V and through hole II.
Further, the height of described cylinder II is less than the thickness of bearing.Described cylinder II and the height sum of cylinder III are greater than the bearing thickness of twice.
Further, the material of described pressure head is tool steel or steel alloy.The material of described positioning sleeve and base is medium carbon steel.
After utility model adopts above scheme, there is following effect:
1. simple to operate, quick, intensity is low, greatly increases work efficiency;
2. instrument cost is low, easy to manufacture, shortens the production cycle, cost-saving;
3. press-fit process and can realize center auto modification, it is accurate, firm to guarantee to press-fit, and improves product service life.
Accompanying drawing explanation
Fig. 1 of the present utility modelly press-fits schematic diagram;
Fig. 2 is the structural representation of pressure head;
Fig. 3 is the sizing schematic diagram of pressure head;
Fig. 4 is structure and the sizing schematic diagram of positioning sleeve;
Fig. 5 is structure and the sizing schematic diagram of base.
In figure: pressure head 1, cylinder I 101, cylinder II 102, cylinder III 103, cylinder IV 104, boundary cylinder 105, positioning sleeve 2, base 3, bearing 4, oil pump body 5.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, but should not be construed the above-mentioned subject area of the utility model and be only limitted to following embodiment.When not departing from the above-mentioned technological thought of the utility model, according to ordinary skill knowledge and customary means, making various replacement and change, all should be included in protection domain of the present utility model.
A kind of oil pump bearing press-mounting tool, comprises pressure head 1, positioning sleeve 2 and base 3.
See Fig. 2 and Fig. 3, the notch cuttype revolving body that described pressure head 1 is made up of cylinder I 101, cylinder II 102, cylinder III 103, cylinder IV 104 and boundary cylinder 105.The upper end of described boundary cylinder 105 is connected with the lower end of cylinder IV 104.The lower end of described boundary cylinder 105 is connected with the upper end of cylinder I 101.The lower end of described cylinder I 101 is connected with the upper end of cylinder II 102.The lower end of described cylinder II 102 is connected with the upper end of cylinder III 103.Part on described boundary cylinder 105 is link, for connecting press-loading device; Part under described boundary cylinder 105 is working end, for extruding workpiece.In the present embodiment, the material of described pressure head 1 is steel alloy.Described cylinder IV 104 circumferentially there is a ring annular groove.When described pressure head 1 is fixed on press-loading device, the screw on equipment is screwed in cannelure pressure head 1 is clamped.The tactical diameter of described cylinder I 101, cylinder II 102, cylinder III 103, cylinder IV 104 and boundary cylinder 105 is D1, D2, D3, D4 and D0 respectively, wherein D0 > D4,
The height of described cylinder I 101, cylinder II 102, cylinder III 103 is respectively H1, H2 and H3, H1=12mm, H2=10mm, H3=18mm.
See Fig. 4, the notch cuttype revolving body that described positioning sleeve 2 is made up of cylinder V and cylinder VI.The axis of described positioning sleeve 2 has a cylindrical hole I.The material of described positioning sleeve 2 is medium carbon steel.The tactical diameter of described cylinder V and cylinder VI is respectively d5 and d6,
d6=60mm.The height of described cylinder V and cylinder VI is respectively H5 and H6, H5=11mm, H6=16mm.
See Fig. 5, described base 3 is the disk of side with annular flange flange.The center of described base 3 has a cylindrical hole II.The diameter of described through hole II is D5, and the degree of depth is H7,
h7=15mm.The external diameter of described annular flange flange is D8, and internal diameter is D7, D8=177mm,
the external diameter of described annular flange flange is equal with the external diameter of base 3.
See Fig. 1, when press-fiting, described pressure head 1 is arranged on press-loading device, and cylinder IV is gripped.Described positioning sleeve 2 is installed on the base 3, and cylinder V embeds in through hole II.Interference fit between described cylinder V and through hole II, in embodiment, H5 should be greater than H7, ensures that cylinder V all embeds in through hole II, plays certralizing ability simultaneously.The upper surface supporting oil pump housing 5 of described positioning sleeve 2, the lower end of oil pump body 5 is placed on base 3, and the inwall of the largest circumference of oil pump body 5 lower end and base 3 upper annular flange is fitted.Bearing 4 is placed in and press-fits bottom orifice.The thickness of described bearing 4 is h, and internal diameter is d2,
d2=42.4mm.Described pressure head 1 slowly declines with machine spindle and to press-fit bearing 4, and first cylinder III 103 embeds in through hole I (between them matched in clearance), and the position now can revising base 3 makes it concentric with pressure head 1.Before pressure head 1 contacts with bearing 4, cylinder III 103 must embed in through hole I in advance, to ensure that the concentricity correction between them completes, so H2+H3 > 2h.Cylinder II 102 embeds the endoporus of bearing 4 afterwards.The position that cylinder II 102 can revise bearing 4 is concentric with pressure head 1 to ensure.When pressure head 1 step surface dropped between cylinder II 102 and cylinder I 101 contacts with the side plane of bearing 4, namely the position adjusted of frock completes, start to extrude bearing 4, crushing strength is determined (general value is 10-15mm, and the present embodiment is 12mm) by the height H 1 of cylinder I.When step surface between cylinder II 102 and cylinder III 103 contacts with oil pump body 5, just complete and press-fit.
Claims (4)
1. an oil pump bearing press-mounting tool, is characterized in that: comprise pressure head (1), positioning sleeve (2) and base (3);
The notch cuttype revolving body that described pressure head (1) is made up of cylinder I (101), cylinder II (102), cylinder III (103), cylinder IV (104) and boundary cylinder (105); The upper end of described boundary cylinder (105) is connected with the lower end of cylinder IV (104); The lower end of described boundary cylinder (105) is connected with the upper end of cylinder I (101); The lower end of described cylinder I (101) is connected with the upper end of cylinder II (102); The lower end of described cylinder II (102) is connected with the upper end of cylinder III (103); The tactical diameter of described cylinder I (101), cylinder II (102), cylinder III (103), cylinder IV (104) and boundary cylinder (105) is D1, D2, D3, D4 and D0 respectively, wherein D0 > D1 > D2 > D3 and D0 > D4;
The notch cuttype revolving body that described positioning sleeve (2) is made up of cylinder V and cylinder VI; The axis of described positioning sleeve (2) has a cylindrical hole I; The tactical diameter of described cylinder V and cylinder VI is respectively d5 and d6, wherein d5 < d6;
Described base (3) is for side is with the disk of annular flange flange; The center of described base (3) has a cylindrical hole II; The external diameter of described annular flange flange is equal with the external diameter of base (3);
When press-fiting, described pressure head (1) is arranged on press-loading device, and cylinder IV is gripped; Described positioning sleeve (2) is arranged on base (3), and cylinder V embeds in through hole II; Oil pump body is placed in the upper end of positioning sleeve (2), the inwall of the largest circumference of oil pump body and base (3) upper annular flange is fitted; Bearing is placed in the bottom orifice press-fited; Described pressure head (1) slowly declines with machine spindle and to press-fit bearing, its cylinder III (103) embeds in through hole I, cylinder II (102) embeds brearing bore, and the step surface between cylinder I (101) and cylinder II (102) and the side plane of bearing are fitted.
2. a kind of oil pump bearing press-mounting tool according to claim 1, is characterized in that: described cylinder II (102) and brearing bore matched in clearance; Matched in clearance between described cylinder III (103) and through hole I; Interference fit between described cylinder V and through hole II.
3. a kind of oil pump bearing press-mounting tool according to claim 1, is characterized in that: the height of described cylinder II (102) is less than the thickness of bearing; Described cylinder II (102) and the height sum of cylinder III (103) are greater than the bearing thickness of twice.
4. a kind of oil pump bearing press-mounting tool according to claim 1, is characterized in that: the material of described pressure head (1) is tool steel or steel alloy; The material of described positioning sleeve (2) and base (3) is medium carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520687802.4U CN205057440U (en) | 2015-09-08 | 2015-09-08 | Oil pump shaft pressure -bearing fit -up man utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520687802.4U CN205057440U (en) | 2015-09-08 | 2015-09-08 | Oil pump shaft pressure -bearing fit -up man utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205057440U true CN205057440U (en) | 2016-03-02 |
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ID=55384043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520687802.4U Expired - Fee Related CN205057440U (en) | 2015-09-08 | 2015-09-08 | Oil pump shaft pressure -bearing fit -up man utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205057440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666094A (en) * | 2016-03-29 | 2016-06-15 | 浙江三田汽车空调压缩机有限公司 | Device for improving press fitting of main shaft |
| CN112476333A (en) * | 2020-11-20 | 2021-03-12 | 昌河飞机工业（集团）有限责任公司 | Press mounting tool and method for quickly positioning paired bearings |
-
2015
- 2015-09-08 CN CN201520687802.4U patent/CN205057440U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666094A (en) * | 2016-03-29 | 2016-06-15 | 浙江三田汽车空调压缩机有限公司 | Device for improving press fitting of main shaft |
| CN112476333A (en) * | 2020-11-20 | 2021-03-12 | 昌河飞机工业（集团）有限责任公司 | Press mounting tool and method for quickly positioning paired bearings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 |