CN109500569A - A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method - Google Patents
A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method Download PDFInfo
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- CN109500569A CN109500569A CN201810977383.6A CN201810977383A CN109500569A CN 109500569 A CN109500569 A CN 109500569A CN 201810977383 A CN201810977383 A CN 201810977383A CN 109500569 A CN109500569 A CN 109500569A
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- Prior art keywords
- press
- roller bearing
- tapered roller
- actuator
- loading device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Automatic Assembly (AREA)
Abstract
A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method.The invention discloses a kind of tapered roller bearing press-loading device, including fixed frame, it is separately installed with the pressing part and press-fit portion of cooperation press fitting at the top and bottom of the fixed frame, is pressed pressing part, jackshaft to be pressed and press-fit portion described in moment and coaxially abuts;Wherein, the pressing part includes sequentially connected actuator, punching clamp and centering cone, the actuator two sides are connected with two guide shafts respectively, two guide shaft is slidably mounted on fixed frame in mirror symmetry, and the punching clamp, centering cone and guide shaft are moved up and down with actuator with respect to press-fit portion;The press-fit portion includes a guiding fixture, and the guiding fixture is installed on fixed frame bottom.Compared with prior art, according to jackshaft actual conditions to be pressed, the press fitting for making jackshaft disposably complete size tapered roller bearing is pushed by pressing part, by the cooperation of pressing part and press-fit portion, it can be achieved that size tapered roller bearing stablizes correctly installation on jackshaft simultaneously.
Description
Technical field
The present invention relates to a kind of press-fitting tools, belong to automobile manufacturing field more particularly to a kind of press fitting of tapered roller bearing
Mechanism.
Background technique
6AT speed changer is made of large and small over two hundred kind of components in total, mainly by housing unit, fluid torque-converter shell
Component, oil pump assy, intermediate supports component, C1 clutch and rear planet carrier assembly, C2/C3 clutch and preceding planet carrier assembly,
Fluid torque-converter, valve body assembly, differential mechanism and planet carrier assembly, the part such as jackshaft, intermediate supports axis tooth form, axis
The effect of tooth in the transmission is unquestionable, and axis tooth is all rolling member, and pressing bearing is at a great problem in axis tooth;
In practical applications, axis tooth occupies core status to 6AT gearbox, it is necessary to which pressing bearing can be flexible in axis tooth
Rotation;
Tapered roller bearing and jackshaft belong to interference fit, face large-tonnage demand, common mechanisms are to be unable to satisfy
It is required that.
Summary of the invention
For technical problem of the existing technology, the present invention provides a kind of tapered roller bearing press-loading device, the circular cone
Roller bearing press-loading device clever structure can make the size bearing of the upper and lower side of jackshaft primary by the press fitting of three stage of actuator
Molding.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of tapered roller bearing press-loading device, including fixed frame are separately installed at the top and bottom of the fixed frame
The pressing part and press-fit portion for cooperating press fitting are pressed pressing part, jackshaft to be pressed and press-fit portion described in moment and coaxially abut;Its
In, the pressing part includes sequentially connected actuator, punching clamp and centering cone, the actuator two sides respectively with two guide shafts
It is connected, two guide shaft is slidably mounted on fixed frame in mirror symmetry, and the punching clamp, centering cone and guide shaft are with driving
Part is moved up and down with respect to press-fit portion;The press-fit portion includes a guiding fixture, and the guiding fixture is installed on fixed frame bottom.
Two guide shaft is connected by a connecting plate with punching clamp close to one end of punching clamp, the punching clamp with
Guide shaft is fixedly connected with connecting plate respectively, and the punching clamp, guide shaft and connecting plate move altogether with actuator.
The bushing shell that the junction of the connecting plate and guide shaft is equipped with bushing and is coaxially socketed in outside bushing, the guide shaft
It is slided in bushing.
The one press machine shell of punching clamp peripheral hardware, the press machine shell are a hollow pipe sleeve, the pressure casing
Body top is connected with actuator one end, and the top of the press machine housing bottom clamping punching clamp, the punching clamp is being pressed
Sliding in power casing body.
The press machine enclosure interior is equipped with the spring for resetting punching clamp, and the spring bottom end abuts punching clamp,
The spring top abuts connecting plate.
It is additionally provided with dust cover outside the slideway of the guide shaft, the dust cover is fixed on the slideway starting point of guide shaft by snap ring
Place.
The head end of the guide shaft is additionally provided with end cap, and the end cap shields to guide shaft.
The guiding fixture includes coaxial protrusion and boss, and the protrusion is located in the through-hole of jackshaft, the boss
It is abutted with jackshaft bottom surface, the boss and big tapered roller bearing are socketed.
The guiding fixture has a reset portion being installed on fixed frame, and the reset portion includes a jigging casing
Body, reset spring and spring cup, the reset spring stretch in jigging machine shell, and the reset spring both ends abut respectively leads
To fixture and spring cup;The spring cup is installed on fixed frame, is resetted when exerting a force for jigging machine shell to reset spring
Spring reset provides reaction force.
Be additionally provided with a pressure head in the jigging machine shell, the guiding clamp base have one be harmonious with the head of pressure head it is recessed
The head of slot, the pressure head is placed in groove, and the pressure head two sides are reset spring.
The tapered roller bearing press-loading device further includes the guardrail being used for from external interference being installed on fixed frame,
Fixed frame is mounted on guardrail.
The tapered roller bearing press-loading device further includes being installed on fixed frame to be used to after contacting to stop being pressed
The grating of equipment operation.
It is a further object of the present invention to provide the pressing methods of above-mentioned tapered roller bearing press-loading device, including walk as follows
It is rapid:
Step a) is sequentially placed big tapered roller bearing, jackshaft and roundlet taper roller bearing on guiding fixture;
Step b) starts press-fit portion, detects pressing force and punching stroke, the actuator drive by sensor when press fitting
The jackshaft punching press of punching clamp and centering cone to circular cone ball bearing to be pressed, the jackshaft both ends while stress are to great circle
Taper roller bearing and roundlet taper roller bearing are pressed;
Step c) the actuator drives punching clamp and centering cone return, when return by sensor detect pressing force with
Punching stroke, the press-fit portion reset, and take out the jackshaft for having big tapered roller bearing and roundlet taper roller bearing, have been pressed
At.
It is a further object of the present invention to provide the press fitting error-preventing method of above-mentioned tapered roller bearing press-loading device, specifically:
The actuator detects whether actuator pressure is being marked when down stroke reaches 210mm from the stroke dead-center position of setting
In quasi- range L 1=285~600kgf;Actuator pressure is detected when down stroke reaches 230mm whether in setting critical field
In L2=550~1500kgf;When press-loading device return is completed in press fitting, the pressure of the actuator reaches setting critical field
After L3=2200~2650kgf, down stroke is detected whether in critical field R3=250.3~252.3mm, works as detection data
When not in critical field, computer-made decision press fitting is unqualified and alarms.
Above-mentioned press fitting error-preventing method is divided into three phases, is for better mistake proofing, (down stroke reaches for first stage mistake proofing
Whether pressure is up to standard when to 210mm) it is anti-without carrying out press fitting when assembly size tapered roller bearing on jackshaft in order to prevent
It is wrong;Second stage mistake proofing (whether pressure up to standard when down stroke reaches 230mm) be in order to ensure size tapered roller bearing with
The magnitude of interference of jackshaft is up to standard, can just make part qualified;Phase III mistake proofing (pressure reach setting critical field L3=2200~
Whether stroke is in critical field R3=250.3~252.3mm after 2650kgf) it is in order to which detected magnitude is round under standard pressure
The press-mounting stroke of taper roller bearing, it is ensured that size tapered roller bearing is press-fit into place in the upper and lower end faces of jackshaft, will not go out
Now press fitting total kilometres are too short leads to that bearing press mounting is not in place or pressure excessive the case where damaging part by pressure.
Compared with prior art, tapered roller bearing press-loading device and pressing method provided by the invention, according to wait be pressed
Jackshaft actual conditions, by pressing part pushing so that jackshaft is disposably completed the press fitting of size tapered roller bearing, pass through
The cooperation of pressing part and press-fit portion is, it can be achieved that size tapered roller bearing stablizes correctly installation on jackshaft simultaneously;It provides
Press fitting error-preventing method carry out mistake proofing early warning by metering pressing force and press-mounting stroke, and to three each stages, make press fitting once at
Press fitting abnormal conditions can be also detected while type, have the function of mistake proofing;The strong force safety measure of guardrail and grating can be protected simultaneously
The personal safety for demonstrate,proving employee makes equipment operation more reliable.
Detailed description of the invention
Fig. 1 is tapered roller bearing press-loading device schematic diagram provided by the invention;
Fig. 2 is pressing part structural schematic diagram provided by the invention;
Fig. 3 is tapered roller bearing press-loading device punching press schematic diagram provided by the invention;
Wherein, 1, fixed frame;2, pressing part;21, actuator;22, punching clamp;23, centering cone;24, guide shaft;241, prevent
Dust hood;242, snap ring;243, end cap;25, connecting plate;251, bushing;252, bushing shell;253, press machine shell;254, bullet
Spring;3, press-fit portion;31, it is oriented to fixture;311, raised;312, boss;32, pressure head;4, jackshaft;41, roundlet taper roller bearing;
42, big tapered roller bearing;5, reset portion;51, jigging machine shell;52, reset spring;53, spring cup;6, guardrail;7, grating.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Tapered roller bearing press-loading device provided in this embodiment includes fixed frame 1, the top and bottom difference of fixed frame 1
The pressing part 2 and press-fit portion 3 of cooperation press fitting are installed, it is same to be pressed pressing part 2 described in moment, jackshaft to be pressed 4 and press-fit portion 3
Axis abuts;Wherein, pressing part 2 includes sequentially connected actuator 21, punching clamp 22 and centering cone 23,21 two sides of actuator point
It is not connected with two guide shafts 24, two guide shafts 24 are slidably mounted on fixed frame 1 in mirror symmetry, punching clamp 22, centering cone 23
It is moved up and down with actuator 21 with respect to press-fit portion 3 with guide shaft 24;Press-fit portion 3 includes a guiding fixture 31, and guiding fixture 31 is pacified
Loaded on 1 bottom of fixed frame.
In the present embodiment, two guide shafts 24 pass through a connecting plate 25 and 22 phase of punching clamp close to one end of punching clamp 22
Even, punching clamp 22 and guide shaft 24 be fixedly connected with connecting plate 25 respectively, the punching clamp 22, guide shaft 24 and connecting plate 25 with
Actuator 21 moves altogether.
In the present embodiment, the junction of connecting plate 25 and guide shaft 24 is equipped with bushing 251 and is coaxially socketed in outside bushing 251
Bushing shell 252, guide shaft 24 slide in bushing 251.
In the present embodiment, 22 peripheral hardware of punching clamp, one press machine shell 253, press machine shell 253 is a hollow pipe sleeve, pressure
253 top of power casing body is connected with 21 one end of actuator, and 253 bottom end of press machine shell clamps the top of punching clamp 22, punching press
Fixture 22 slides in press machine shell 253.
In the present embodiment, the spring 254 for resetting punching clamp 22,254 bottom end of spring are equipped with inside press machine shell 253
Punching clamp 22 is abutted, 254 top of spring abuts connecting plate 25.
In the present embodiment, dust cover 241 is additionally provided with outside the slideway of guide shaft 24, dust cover 241 is fixed on by snap ring 242 and is led
The slideway starting point of axis 24.
In the present embodiment, the head end of guide shaft 24 is additionally provided with end cap 243, and the end cap 243 shields to guide shaft 24.
In the present embodiment, guiding fixture 31 includes coaxial protrusion 311 and boss 312, and protrusion 311 is located at jackshaft 4
In through-hole, boss 312 is abutted with 4 bottom surface of jackshaft, and boss 312 and big tapered roller bearing 42 are socketed.
In the present embodiment, guiding fixture 31 has a reset portion 5 being installed on fixed frame 1, and reset portion 5 includes a jump
Casing body 51, reset spring 52 and spring cup 53 are eliminated, reset spring 52 stretches in jigging machine shell 51,52 both ends of reset spring
Guiding fixture 31 and spring cup 53 are abutted respectively;Spring cup 35 is installed on fixed frame 1, is oriented to fixture 31 in punching press in jigging
Decline in casing body 51 provides when spring cup 35 exerts a force for jigging machine shell 34 to reset spring 33 for the reset of reset spring 33
Reaction force, i.e. reset spring 52 make to be oriented to the elastic force that fixture 31 rises in jigging machine shell 51.
In the present embodiment, a pressure head 32 is additionally provided in jigging machine shell 51, one and pressure head 32 are arranged at guiding 31 bottom of fixture
The head of the groove that head is harmonious, pressure head 32 is placed in groove, and 32 two sides of pressure head are reset spring 52.
In the present embodiment, tapered roller bearing press-loading device further includes being installed on fixed frame 1 to be used to do from the external world
The guardrail 6 disturbed, fixed frame 1 are mounted on guardrail 6.
In the present embodiment, tapered roller bearing press-loading device further include be installed on fixed frame 1 for contact after
Stop the grating 7 of press-loading device operation.
Pressing method provided by the invention are as follows:
1, it is sequentially placed big tapered roller bearing 42 and jackshaft 4 on the guiding fixture 31 on fixed frame 1, makes big circular cone
42 sets of roller bearing outside boss 312, in the through-hole of 311 insertion jackshaft 4 of protrusion, are taken 41 sets of roundlet taper roller bearing in
Between on 4 port of axis;
2, start button is pressed, is pressed while passing through sensor and detect pressing force and punching stroke, actuator 21 drives punching
Fixture 22 and centering cone 23 is pressed to decline, the tap web of centering cone 23 continues decline and starts pressing bearing after abutting with 4 through-hole of jackshaft
(PCL control system presets press-mounting stroke), 4 both ends of jackshaft while stress are to big tapered roller bearing 42 and conicle Roller Shaft
It holds 41 to be pressed, the reset spring 52 in the spring 254 and jigging machine shell 51 in press machine shell 253 is being pressed at this time
Forced contraction behind position;
3, actuator 21 drives punching clamp 22 and 23 return of centering cone, and when return passes through sensor detection pressing force and punching
Stroke is pressed, press-loading device resets, and manually takes out jackshaft 4, and press fitting is completed.
Press-loading device mistake proofing of the invention is divided into three phases: the first stage from the dead-center position that actuator 21 is arranged,
21 pressure of actuator is detected when down stroke reaches 210mm whether in critical field L1=285~600kgf, second stage
21 pressure of actuator is detected when down stroke reaches 230mm whether in critical field L2=550~1500kgf, third rank
After section detection mode and a two-stage are on the contrary, need the pressure of actuator 21 to reach setting critical field L3=2200~2650kgf
It is whether qualified (critical field is R3=250.3~252.3mm) to detect down stroke.After press-loading device resets, Computer display
The stroke and pressure value in per stage, the detection in a certain stage are deposited when abnormal, and computer can determine that product is unqualified and alarms, and are mentioned
Awake employee notices that this part has exception, and the only monitoring data of three phases just determine that this time press fitting is closed all in established standards value
Lattice.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (10)
1. a kind of tapered roller bearing press-loading device, which is characterized in that including fixed frame (1), the top of the fixed frame (1) and
Bottom is separately installed with the pressing part (2) and press-fit portion (3) of cooperation press fitting, is pressed pressing part (2), centre to be pressed described in moment
Axis (4) and press-fit portion (3) coaxially abut;Wherein, the pressing part (2) includes sequentially connected actuator (21), punching clamp
(22) it is connected respectively with two guide shafts (24) with centering cone (23), actuator (21) two sides, two guide shaft (24) is in mirror image
It is symmetrically slidably mounted on fixed frame (1), the punching clamp (22), centering cone (23) and guide shaft (24) are with actuator (21)
Opposite press-fit portion (3) move up and down;The press-fit portion (3) includes guiding fixture (31), guiding fixture (31) installation
In fixed frame (1) bottom.
2. tapered roller bearing press-loading device according to claim 1, which is characterized in that the close punching of two guide shaft (24)
One end of pressure fixture (22) is connected by a connecting plate (25) with punching clamp (22), the punching clamp (22) and guide shaft (24)
It is fixedly connected respectively with connecting plate (25), the punching clamp (22), guide shaft (24) and connecting plate (25) are total with actuator (21)
Movement.
3. tapered roller bearing press-loading device according to claim 2, which is characterized in that the connecting plate (25) and guide shaft
(24) junction is equipped with bushing (251) and is coaxially socketed in the bushing shell (252) of bushing (251) outside, the guide shaft (24)
The sliding in bushing (251).
4. tapered roller bearing press-loading device according to claim 2, which is characterized in that punching clamp (22) peripheral hardware
One press machine shell (253), press machine shell (253) top are connected with actuator (21) one end, the press machine shell
(253) top of bottom end clamping punching clamp (22), the punching clamp (22) sliding in press machine shell (253).
5. tapered roller bearing press-loading device according to claim 4, which is characterized in that the press machine shell (253)
Inside is equipped with the spring (254) for resetting punching clamp (22), and spring (254) bottom end abuts punching clamp (22), described
Spring (254) top abuts connecting plate (25).
6. tapered roller bearing press-loading device according to claim 1, which is characterized in that outside the slideway of the guide shaft (24)
It is additionally provided with dust cover (241), the dust cover (241) is fixed on the slideway starting point of guide shaft (24) by snap ring (242).
7. tapered roller bearing press-loading device according to claim 1, which is characterized in that the guiding fixture (31) includes
Coaxial protrusion (311) and boss (312), it is described protrusion (311) be located in the through-hole of jackshaft (4), the boss (312) and
Jackshaft (4) bottom surface abuts, and the boss (312) and big tapered roller bearing (42) are socketed.
8. tapered roller bearing press-loading device according to claim 7, which is characterized in that the guiding fixture (31) is divided into
There is a reset portion (5) being installed on fixed frame (1), the reset portion includes a jigging machine shell (51), reset spring (52)
With spring cup (53), the reset spring (52) is stretched in jigging machine shell (51), reset spring (52) the both ends difference
Abut guiding fixture (31) and spring cup (53).
9. tapered roller bearing pressing method according to claim 1, which comprises the steps of:
Step a) is sequentially placed big tapered roller bearing (42), jackshaft (4) and conicle Roller Shaft in guiding fixture (31)
Hold (41);
Step b) starts press-fit portion (2), passes through sensor detection pressing force and punching stroke, actuator (21) band when press fitting
Dynamic jackshaft (4) punching press of punching clamp (22) and centering cone (23) to circular cone ball bearing to be pressed, the jackshaft (4) two
Stress is pressed big tapered roller bearing (42) and roundlet taper roller bearing (41) simultaneously at end;
Step c) the actuator (21) drives punching clamp (22) and centering cone (23) return, passes through sensor detection when return
Pressing force and punching stroke, the press-fit portion (2) reset, and take out and have big tapered roller bearing (42) and roundlet taper roller bearing
(41) jackshaft (4), press fitting are completed.
10. tapered roller bearing according to claim 1 is pressed error-preventing method, which is characterized in that the actuator (21)
From the stroke dead-center position of setting, actuator (21) pressure is detected when down stroke reaches 210mm whether in critical field
In L1=285~600kgf;Actuator (21) pressure is detected when down stroke reaches 230mm whether in setting critical field L2
In=550~1500kgf;When press-loading device return is completed in press fitting, the pressure of the actuator (21) reaches setting standard model
After enclosing L3=2200~2650kgf, down stroke is detected whether in critical field R3=250.3~252.3mm, works as testing number
According to not in critical field when, computer-made decision press fitting is unqualified and alarm.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811506931.3A CN109500570A (en) | 2018-08-24 | 2018-08-24 | A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method |
CN201810977383.6A CN109500569A (en) | 2018-08-24 | 2018-08-24 | A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810977383.6A CN109500569A (en) | 2018-08-24 | 2018-08-24 | A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811506931.3A Division CN109500570A (en) | 2018-08-24 | 2018-08-24 | A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method |
Publications (1)
Publication Number | Publication Date |
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CN109500569A true CN109500569A (en) | 2019-03-22 |
Family
ID=65745599
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Application Number | Title | Priority Date | Filing Date |
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CN201810977383.6A Withdrawn CN109500569A (en) | 2018-08-24 | 2018-08-24 | A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method |
CN201811506931.3A Withdrawn CN109500570A (en) | 2018-08-24 | 2018-08-24 | A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811506931.3A Withdrawn CN109500570A (en) | 2018-08-24 | 2018-08-24 | A kind of tapered roller bearing press-loading device, pressing method and its press fitting error-preventing method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112571008A (en) * | 2020-11-09 | 2021-03-30 | 东台立一工业技术有限公司 | Bearing machining device |
CN112756941A (en) * | 2020-12-30 | 2021-05-07 | 薛道岳 | Gear mistake-proofing press fitting machine device with clamp capable of being adjusted quickly |
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CN201833156U (en) * | 2010-08-18 | 2011-05-18 | 张宝霞 | Outer cylinder bearing press-mounting machine of washing machine |
CN108115386A (en) * | 2017-11-28 | 2018-06-05 | 中国航发西安动力控制科技有限公司 | The instrument of pressing bearing |
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- 2018-08-24 CN CN201811506931.3A patent/CN109500570A/en not_active Withdrawn
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CN101176967A (en) * | 2007-12-10 | 2008-05-14 | 广州市嘉特斯机电制造有限公司 | Bearing press-in device and method of use thereof |
CN201394726Y (en) * | 2009-04-27 | 2010-02-03 | 芜湖恒隆汽车转向系统有限公司 | Press mounting and riveting device for oil cylinder and housing of diverter |
JP2013151041A (en) * | 2012-01-25 | 2013-08-08 | Toyota Motor Corp | Press-in device |
CN104786043A (en) * | 2015-04-02 | 2015-07-22 | 重庆民发汽车配件有限责任公司 | Flywheel bearing pressing tool |
CN205096813U (en) * | 2015-11-09 | 2016-03-23 | 常山皮尔轴承有限公司 | Automatic bearing pressfitting machine and control system thereof |
CN206967000U (en) * | 2017-04-26 | 2018-02-06 | 成都华川电装有限责任公司 | Shaft block ring press-loading device |
CN207358505U (en) * | 2017-10-27 | 2018-05-15 | 陈盛花 | A kind of wave producer assembly tooling |
CN108188696A (en) * | 2018-02-02 | 2018-06-22 | 成都市阿李科技有限公司 | Rear shock absorber shaft sleeve press-mounting machine structure |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112571008A (en) * | 2020-11-09 | 2021-03-30 | 东台立一工业技术有限公司 | Bearing machining device |
CN112756941A (en) * | 2020-12-30 | 2021-05-07 | 薛道岳 | Gear mistake-proofing press fitting machine device with clamp capable of being adjusted quickly |
Also Published As
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Application publication date: 20190322 |