CN110722429A - Running-in tool - Google Patents
Running-in tool Download PDFInfo
- Publication number
- CN110722429A CN110722429A CN201911033207.8A CN201911033207A CN110722429A CN 110722429 A CN110722429 A CN 110722429A CN 201911033207 A CN201911033207 A CN 201911033207A CN 110722429 A CN110722429 A CN 110722429A
- Authority
- CN
- China
- Prior art keywords
- supporting seat
- running
- elastic shaft
- bearing
- supporting
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 14
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/08—Machines or devices designed for grinding seat surfaces; Accessories therefor for grinding co-operating seat surfaces by moving one over the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
Abstract
The embodiment of the application discloses a running-in tool, which comprises a supporting device, a double-deep-groove bearing, an end cover and an elastic shaft; the supporting device comprises a supporting seat, a first supporting plate connected to one side of the supporting seat and a second supporting plate connected to the other side of the supporting seat; the bottoms of the first supporting plate and the second supporting plate are respectively connected with an engine; the elastic shaft is sleeved with a double-deep-groove bearing, a cavity is arranged in the supporting seat, the double-deep-groove bearing is fixed in the cavity, and the elastic shaft penetrates through the supporting seat; the center of the bottom of the elastic shaft is provided with a positioning groove which is matched and connected with the flywheel damper; the end cover is fixed above the supporting seat and is contacted with the double deep groove bearing. The secondary flywheel of the flywheel damper can rotate in the axis all the time, the clamping stagnation problem of the secondary flywheel of the flywheel damper is reduced, the idling stability of the transmitter during running-in is improved, and the assembly difficulty of the transmission after running-in is reduced.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a running-in tool.
Background
At present, an engine with a flywheel damper part does not have any flywheel damper auxiliary tool at a running-in station, and does not have a corresponding special or general tool in the industry, so that the center position of a secondary flywheel of the flywheel damper part deviates when the engine with the flywheel damper part runs in, the idle speed is unstable when the engine runs in, the transmission is difficult to assemble after running in, the secondary flywheel of the flywheel damper has a clamping stagnation problem after running in, and the failure rate is high.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention mainly aims to provide a running-in tool which can ensure that the center position of a secondary flywheel of a flywheel damper does not deviate while the flywheel damper rotates at a high speed.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a running-in tool, comprising: the device comprises a supporting device, a double-deep-groove bearing, an end cover and an elastic shaft;
the supporting device comprises a supporting seat, a first supporting plate connected to one side of the supporting seat and a second supporting plate connected to the other side of the supporting seat; the bottoms of the first supporting plate and the second supporting plate are respectively connected with an engine;
the double deep groove bearing is sleeved on the elastic shaft, a cavity is arranged in the supporting seat, the double deep groove bearing is fixed in the cavity, and the elastic shaft penetrates through the supporting seat; the center of the bottom of the elastic shaft is provided with a positioning groove which is matched and connected with the flywheel damper; the end cover is fixed above the supporting seat and is in contact with the double deep groove bearing.
Further, the running-in tool further comprises a baffle, and the baffle is fixed to the bottom of the supporting seat, and the bottom surface of the baffle does not exceed the bottom surface of the elastic shaft.
Further, the double deep groove bearing comprises a bearing inner ring and a bearing outer ring, a first distance ring is arranged between the bearing inner ring and the elastic shaft, and a second distance ring is arranged between the bearing outer ring and the supporting seat.
Further, the running-in tool further comprises a first framework oil seal and a second framework oil seal; the first framework oil seal sleeve is arranged on the elastic shaft and is positioned above the double deep groove bearing, and the top surface of the first framework oil seal is flush with the top surface of the end cover; the second oil seal framework is sleeved on the elastic shaft and is positioned below the double deep groove bearing, and the bottom surface of the second framework oil seal is flush with the bottom surface of the supporting seat.
Furthermore, the inner side of the supporting seat is provided with a protruding part, and the double deep groove bearing is arranged above the protruding part.
Further, the running-in tool further comprises an elastic check ring, an axial groove is formed in the elastic shaft, and the elastic check ring is arranged above the double deep groove bearing and fixed in the axial groove.
Furthermore, the bottom of the first supporting plate is provided with a first positioning portion, the first positioning portion is provided with a first screw hole, the bottom of the second supporting plate is provided with a second positioning portion, the second positioning portion is provided with a second screw hole, and the first supporting plate and the second supporting plate are fixedly connected with the transmitter through the first screw hole and the second screw hole.
Furthermore, a groove is further formed in the second positioning portion and used for avoiding parts of the engine.
Furthermore, the end cover is provided with a counter bore, and the top of the supporting seat is provided with a screw hole corresponding to the counter bore.
Furthermore, the end cover is also provided with an exhaust hole.
The beneficial effect that above-mentioned technical scheme brought lies in:
according to the invention, the support device, the double deep groove bearing, the end cover and the elastic shaft are mutually matched and connected to form the running-in tool, and the positioning groove matched with the flywheel damper is formed in the bottom of the elastic shaft, so that the secondary flywheel of the flywheel damper always rotates in the axis, the clamping stagnation problem of the secondary flywheel of the flywheel damper is reduced, the idling stability of the transmitter during running-in is improved, and the assembly difficulty of the transmission after running-in is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a top view of a running-in tool provided by an embodiment of the invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic structural diagram of an elastic shaft according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "X axis", "Y axis", "Z axis", "vertical", "parallel", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1 and 2, a running-in tool includes: the device comprises a supporting device 1, a double-deep-groove bearing 2, an end cover 3 and an elastic shaft 4;
the supporting device 1 comprises a supporting seat 11, a first supporting plate 12 connected to one side of the supporting seat 11, and a second supporting plate 13 connected to the other side of the supporting seat 11; the bottoms of the first support plate 12 and the second support plate 13 are respectively connected with an engine; the elastic shaft 4 is sleeved with the double-deep-groove bearing 2, a cavity is arranged in the supporting seat 11, the double-deep-groove bearing 2 is fixed in the cavity, and the elastic shaft 4 penetrates through the supporting seat 11; the center of the bottom of the elastic shaft 4 is provided with a positioning groove 41 which is matched and connected with the flywheel damper; the end cover 3 is fixed above the supporting seat 11 and contacts with the double deep groove bearing 2.
In the scheme, as shown in fig. 3, the positioning groove 41 is a circular groove, and the positioning groove 41 is matched with a bulge of the shaft center of the flywheel damper to realize center positioning; the diameter of constant head tank 41 slightly is less than the bellied external diameter of flywheel damper axle center, consequently, install inside constant head tank 41 in order to make the arch of flywheel damper axle center, be equipped with bar hole 42 and stress release hole 43 on the lateral wall of elastic shaft 4 bottom, so, through bar hole 42 and stress release hole 43 just can make the diameter grow of constant head tank 41 when installing, thereby make constant head tank 41 and the protruding butt joint of accomplishing of flywheel damper axle center, in addition, the dismantlement of break-in frock can also be convenient for in bar hole 42 and stress release hole 43's existence.
In this embodiment, preferably, the number of the strip-shaped holes 42 and the number of the stress release holes 43 are four, and the four strip-shaped holes and the four stress release holes are uniformly distributed on the side wall of the bottom of the elastic shaft 4.
The supporting seat 11 is integrally columnar, a cavity is arranged in the supporting seat, a protruding portion is arranged on the inner side wall of the supporting seat, the double-deep-groove bearing 2 is arranged above the protruding portion, an elastic check ring 5 is arranged above the double-deep-groove bearing 2, the elastic check ring 5 is fixed in a shaft groove formed in the outer peripheral side of the elastic shaft 4, and therefore axial movement of the double-deep-groove bearing 2 can be limited under the effect of the elastic check ring 5. Preferably, the number of the elastic retaining rings 5 is two, and the two elastic retaining rings are oppositely arranged in the shaft groove on the outer peripheral side of the elastic shaft 4.
The double deep groove bearing 2 comprises a bearing inner ring and a bearing outer ring, in order to realize the axial positioning of the double deep groove bearing 2, a first distance ring 6 is arranged between the bearing inner ring and the elastic shaft 4, and a second distance ring 7 is arranged between the bearing outer ring and the inner side wall of the supporting seat 11, so that the double deep groove bearing 2 can be axially positioned on the matching surface.
In order to limit the leakage of the lubricating oil in the double-deep groove bearing 2, the scheme further comprises a first framework oil seal 8 and a second framework oil seal 9. The first framework oil seal 8 is sleeved on the elastic shaft 4 and is positioned above the double-deep-groove bearing 2, and the top surface of the first framework oil seal 8 is flush with the top surface of the end cover 3; the second oil seal framework is sleeved on the elastic shaft 4 and is positioned below the double-deep groove bearing 2, and the bottom surface of the second framework oil seal 9 is flush with the bottom surface of the supporting seat 11. In this way, sealing of the lubricating oil in the double deep groove bearing 2 can be achieved.
In addition, in this scheme, be equipped with the counter bore at end cover 3, be equipped with the screw that corresponds with the counter bore on the top of supporting seat 11, with screw in counter bore and screw, just can realize being connected of end cover 3 and supporting seat 11. Preferably, the quantity of counter bore and the screw at 11 tops of supporting seat is 4 respectively in this scheme.
Because the airtight space that first skeleton oil blanket 8, second skeleton oil blanket 9, supporting seat 11 formed heats up easily and leads to airtight space pressure increase when elastic shaft 4 rotates to make lubricating oil spill, lead to the operational failure, consequently, still be equipped with the exhaust hole that is used for the heat dissipation on end cover 3. Preferably, the number of the exhaust holes is two.
In addition, in this embodiment, the first support plate 12 is rectangular as a whole, and the first positioning portion 14 is fixed to the bottom thereof. The bottom of the first positioning part 14 is provided with a first screw hole 16 which is matched with a screw to realize connection with an engine; a second positioning part 15 is also fixed at the bottom of the second support plate 13, a second screw hole 17 is arranged on the second positioning part 15, and the second screw hole 17 is matched with a screw to realize the connection with a transmitter; the entire break-in tool 1 can thus be fixed on the sender.
The second positioning portion 15 is further provided with a groove 18 for avoiding parts of the transmitter.
In addition, in order to prevent the elastic shaft 4 from malfunctioning (e.g., breaking to form flying debris) during movement, a baffle 10 is fixed to the bottom of the support base 11 and the bottom surface of the baffle 10 does not exceed the bottom surface of the elastic shaft 4.
According to the invention, the support device 1, the double deep groove bearing 2, the end cover 3 and the elastic shaft 4 are mutually matched and connected to form a running-in tool, and the positioning groove 41 matched with the flywheel damper is formed in the bottom of the elastic shaft 4, so that the secondary flywheel of the flywheel damper always rotates in the axis, the clamping stagnation problem of the secondary flywheel of the flywheel damper is reduced, the idling stability of the transmitter during running-in is improved, and the assembly difficulty of the transmission after running-in is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a running-in frock which characterized in that includes: the device comprises a supporting device, a double-deep-groove bearing, an end cover and an elastic shaft;
the supporting device comprises a supporting seat, a first supporting plate connected to one side of the supporting seat and a second supporting plate connected to the other side of the supporting seat; the bottoms of the first supporting plate and the second supporting plate are respectively connected with an engine;
the double deep groove bearing is sleeved on the elastic shaft, a cavity is arranged in the supporting seat, the double deep groove bearing is fixed in the cavity, and the elastic shaft penetrates through the supporting seat; the center of the bottom of the elastic shaft is provided with a positioning groove which is matched and connected with the flywheel damper; the end cover is fixed above the supporting seat and is in contact with the double deep groove bearing.
2. The running-in tool of claim 1, further comprising a baffle fixed to the bottom of the support base, wherein a bottom surface of the baffle does not extend beyond a bottom surface of the elastic shaft.
3. The running-in tool according to claim 1, wherein the double deep groove bearing comprises a bearing inner ring and a bearing outer ring, a first distance ring is arranged between the bearing inner ring and the elastic shaft, and a second distance ring is arranged between the bearing outer ring and the supporting seat.
4. The running-in tool according to claim 1, further comprising a first framework oil seal and a second framework oil seal; the first framework oil seal sleeve is arranged on the elastic shaft and is positioned above the double deep groove bearing, and the top surface of the first framework oil seal is flush with the top surface of the end cover; the second oil seal framework is sleeved on the elastic shaft and is positioned below the double deep groove bearing, and the bottom surface of the second framework oil seal is flush with the bottom surface of the supporting seat.
5. The running-in tool according to claim 1, wherein a boss is arranged on the inner side of the supporting seat, and the double deep groove bearing is arranged above the boss.
6. The running-in tool of claim 1, further comprising a circlip, wherein a shaft groove is formed in the elastic shaft, and the circlip is arranged above the double deep groove bearing and fixed in the shaft groove.
7. The running-in tool according to any one of claims 1 to 6, wherein a first positioning portion is arranged at the bottom of the first supporting plate, a first screw hole is formed in the first positioning portion, a second positioning portion is arranged at the bottom of the second supporting plate, a second screw hole is formed in the second positioning portion, and the first supporting plate and the second supporting plate are fixedly connected with the transmitter through the first screw hole and the second screw hole.
8. The running-in tool according to claim 7, wherein a groove is further formed in the second positioning portion and used for avoiding parts of the engine.
9. The running-in tool according to any one of claims 1 to 6, wherein a counter bore is formed in the end cover, and a screw hole corresponding to the counter bore is formed in the top of the supporting seat.
10. The running-in tool according to any one of claims 1 to 6, wherein the end cover is further provided with an exhaust hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911033207.8A CN110722429B (en) | 2019-10-28 | 2019-10-28 | Running-in tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911033207.8A CN110722429B (en) | 2019-10-28 | 2019-10-28 | Running-in tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110722429A true CN110722429A (en) | 2020-01-24 |
| CN110722429B CN110722429B (en) | 2021-09-17 |
Family
ID=69222303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911033207.8A Expired - Fee Related CN110722429B (en) | 2019-10-28 | 2019-10-28 | Running-in tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110722429B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522753A1 (en) * | 1974-06-06 | 1975-12-18 | Oerlikon Buehrle Ag | DEVICE FOR REGULATING THE LAEPPING PRESSURE WHEN LAEPING TWO BEVEL WHEELS ON A LAEPP MACHINE |
| CN1168118A (en) * | 1995-12-05 | 1997-12-17 | 罗伯特·博施有限公司 | Valve obturator and method and device for producing sealing surface on such obturator |
| CN201836292U (en) * | 2010-09-26 | 2011-05-18 | 常州精瑞自动化装备技术有限公司 | Bearing pedestal for flywheels |
| CN203560334U (en) * | 2013-11-20 | 2014-04-23 | 重庆赛博汽车零部件有限公司 | Brake base |
| CN107650666A (en) * | 2017-08-31 | 2018-02-02 | 上海众联能创新能源科技股份有限公司 | The electric parallel-serial hybrid power system of planetary gear type oil |
| CN208070716U (en) * | 2018-01-03 | 2018-11-09 | 江苏美之好机器人有限公司 | A kind of robot palletizer waist seat |
| CN209050418U (en) * | 2018-11-30 | 2019-07-02 | 重庆机床(集团)有限责任公司 | A kind of hobboing cutter mandrel tensioning mechanism |
| CN110230660A (en) * | 2019-06-06 | 2019-09-13 | 山推工程机械股份有限公司 | Damping device and engine system |
-
2019
- 2019-10-28 CN CN201911033207.8A patent/CN110722429B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522753A1 (en) * | 1974-06-06 | 1975-12-18 | Oerlikon Buehrle Ag | DEVICE FOR REGULATING THE LAEPPING PRESSURE WHEN LAEPING TWO BEVEL WHEELS ON A LAEPP MACHINE |
| CN1168118A (en) * | 1995-12-05 | 1997-12-17 | 罗伯特·博施有限公司 | Valve obturator and method and device for producing sealing surface on such obturator |
| CN201836292U (en) * | 2010-09-26 | 2011-05-18 | 常州精瑞自动化装备技术有限公司 | Bearing pedestal for flywheels |
| CN203560334U (en) * | 2013-11-20 | 2014-04-23 | 重庆赛博汽车零部件有限公司 | Brake base |
| CN107650666A (en) * | 2017-08-31 | 2018-02-02 | 上海众联能创新能源科技股份有限公司 | The electric parallel-serial hybrid power system of planetary gear type oil |
| CN208070716U (en) * | 2018-01-03 | 2018-11-09 | 江苏美之好机器人有限公司 | A kind of robot palletizer waist seat |
| CN209050418U (en) * | 2018-11-30 | 2019-07-02 | 重庆机床(集团)有限责任公司 | A kind of hobboing cutter mandrel tensioning mechanism |
| CN110230660A (en) * | 2019-06-06 | 2019-09-13 | 山推工程机械股份有限公司 | Damping device and engine system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110722429B (en) | 2021-09-17 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |