CN208483471U - A kind of string bearing press-fitting device - Google Patents
A kind of string bearing press-fitting device Download PDFInfo
- Publication number
- CN208483471U CN208483471U CN201821042122.7U CN201821042122U CN208483471U CN 208483471 U CN208483471 U CN 208483471U CN 201821042122 U CN201821042122 U CN 201821042122U CN 208483471 U CN208483471 U CN 208483471U
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- China
- Prior art keywords
- sleeve
- press
- hole
- outer diameter
- press fitting
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Abstract
A kind of string bearing press-fitting device, including supporting mechanism and executing agency；Supporting mechanism includes horizontally disposed upper backup pad, through-hole is offered in the middle part of upper backup pad, the upper surface of upper backup pad is vertically installed with sleeve, the lower surface of upper backup pad is supported by several supporting legs, lower supporting plate is fixedly installed between the lower part of four supporting legs, rotation is provided with several lead screws between lower supporting plate and upper backup pad, the lower end fixing sleeve of lead screw is equipped with a driven gear, motor is additionally provided with below lower supporting plate, the output shaft fixing sleeve of motor is equipped with driving gear, driving gear is engaged with all driven gears, also sliding is provided with floating support plate between four supporting legs, the upper surface of floating support plate is fixedly installed limit base；Executing agency includes the press fitting pipe being arranged in above sleeve, and the upper end for being pressed pipe is fixedly connected with for driving the driving device for being pressed pipe and moving up and down.The utility model can be accurately positioned destination locations on rotating shaft.
Description
Technical field
The utility model relates to go here and there field of bearings, specifically a kind of string bearing press-fitting device.
Background technique
String bearing is typically used as petroleum positive displacement drill bearing, mostly by multiple rows of thrust ball bearing or multiple rows of thrust roller axis
Hold composition.Well known, bearing can go here and there bearing because quantity is relatively more by the way of press fitting during installation, pacify
It fills more difficult.Existing string bearing is mostly first to fix rotating shaft 20 in press fitting, and the bearing press mounting that then will go here and there one by one is good,
Although the installation of string bearing can be completed, Shortcomings are mainly manifested in press fitting and are difficult to be accurately positioned in the process.
Utility model content
In order to solve deficiency in the prior art, the utility model provides a kind of string bearing press-fitting device, can be to revolution
The height of axis is adjusted, and then the height of destination locations is adjusted, and completes the accurate positioning to destination locations.
To achieve the goals above, the utility model use the specific scheme is that a kind of string bearing press-fitting device, for will
Bearing monomer is fitted on rotating shaft, and described device includes supporting mechanism and executing agency；The supporting mechanism is set including level
The upper backup pad set, offers through-hole in the middle part of upper backup pad, and the upper surface of upper backup pad is vertically installed with sleeve, and sleeve with
Through-hole coaxial arrangement, the lower surface of upper backup pad are supported by several supporting legs, solid between the lower part of four supporting legs
Surely it is provided with lower supporting plate, rotation is provided with several lead screws between lower supporting plate and upper backup pad, and the lower end of each lead screw is solid
Surely it is arranged with a driven gear, motor is additionally provided with below lower supporting plate, the output shaft of motor is upward through lower supporting plate
Fixing sleeve is equipped with driving gear afterwards, and driving gear is engaged with all driven gears, and also sliding is provided between four supporting legs
Floating support plate, each lead screw both pass through floating support plate, and the upper surface of floating support plate is fixedly installed limit base, limit base
Middle part offer limit hole, and limit hole and through-hole are coaxially disposed；The executing agency includes being arranged above the sleeve
Press fitting pipe, press fitting pipe with the through-hole be coaxially disposed, be pressed pipe upper end be fixedly connected with for drive press fitting pipe on moves down
Dynamic driving device；The internal diameter of the diameter of the through-hole, the diameter of the limit hole and the press fitting pipe is equal to the revolution
The outer diameter of axis, the internal diameter of the sleeve is equal with the outer diameter of the bearing monomer, and the internal diameter of sleeve is greater than the outer diameter of press fitting pipe.
The upper end of the sleeve, which is also detachably provided with, guides lid into, guides into and offers directed to aperture in the middle part of lid, directed to aperture
It is coaxially disposed with the through-hole, and the diameter of directed to aperture is equal to the outer diameter of the rotating shaft.
The outside on the top of the sleeve is also fixedly connected with outer race, and the portion integral for guiding lid into is connected with housing
Circle, the internal diameter of outer collar and the outer diameter of sleeve are equal, and the outer diameter of outer collar and the outer diameter of outer race are equal.
At least one guide groove is also provided on the inner wall of the sleeve, guide groove extends along the length direction of sleeve, institute
The lower end for stating press fitting pipe is connected with the guide pad matched with guide groove.
The lower end of the press fitting pipe is also fixedly connected with collar, collar and press fitting pipe coaxial arrangement, the internal diameter and pressure of collar
The internal diameter of tubulature is equal, and the outer diameter of collar is greater than the inner ring outer diameter of the bearing monomer, and the outer diameter of collar is less than bearing monomer
Outer ring internal diameter.
The supporting leg is rectangular leg, respectively offers a square breach at four angles of the floating support plate, four
Square breach are stuck in correspondingly on four supporting legs.
The lead screw is set as four.
The utility model has the advantages that
1, the height of rotating shaft can be adjusted in the utility model, and then the height of destination locations is adjusted,
Press fitting process middle (center) bearing monomer is set to be installed to destination locations with settling at one go, accuracy is high and convenient and efficient；
2, the utility model removably guides lid realization by setting to the accurate guiding of rotating shaft；
3, the utility model avoids press fitting pipe shaking from causing to damage to bearing monomer by setting guide pad and guide groove；
4, the utility model makes there was only bearing inner race stress during press fitting by the way that collar is arranged, and avoids bearing roller stress
Cause the damage of bearing monomer.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the driving gear of the utility model and the fit system schematic diagram of driven gear；
Fig. 3 is the supporting leg of the utility model and the fit system schematic diagram of floating support plate；
Fig. 4 is the usage mode schematic diagram of the utility model.
Appended drawing reference: 1- press fitting pipe, 2- guide pad, 3- collar, 4- guide lid into, 5- directed to aperture, 6- outer race, 7- sleeve,
8- guide groove, 9- upper backup pad, 10- through-hole, 11- supporting leg, 12- floating support plate, 13- lower supporting plate, 14- motor, 15- from
Moving gear, 16- driving gear, 17- lead screw, 18- limit base, 19- limit hole, 20- rotating shaft, 21- bearing monomer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The overall structure diagram that Fig. 1 to 4, Fig. 1 is the utility model is please referred to, Fig. 2 is the driving tooth of the utility model
The fit system schematic diagram of wheel and driven gear, Fig. 3 is that the fit system of the supporting leg and floating support plate of the utility model shows
It is intended to, Fig. 4 is the usage mode schematic diagram of the utility model.
A kind of string bearing press-fitting device, for bearing monomer 21 to be fitted in rotating shaft 20, device includes supporting mechanism
And executing agency, wherein supporting mechanism is for being supported rotating shaft 20, and executing agency is for bearing monomer 21 to be fitted in
On rotating shaft 20.
Supporting mechanism includes horizontally disposed upper backup pad 9, and the middle part of upper backup pad 9 offers through-hole 10, upper backup pad 9
Upper surface be vertically installed with sleeve 7, and sleeve 7 and through-hole 10 are coaxially disposed, and the lower surface of upper backup pad 9 passes through several branch
Support leg 11 is supported, and lower supporting plate 13, lower supporting plate 13 and upper support are fixedly installed between the lower part of four supporting legs 11
There are four lead screws 17, the lower end fixing sleeve of each lead screw 17 to be equipped with a driven gear 15, lower supporting plate for rotation setting between plate 9
13 lower section is additionally provided with motor 14, and fixing sleeve is equipped with driving gear after the output shaft of motor 14 is upward through lower supporting plate 13
16, driving gear 16 is engaged with all driven gears 15, and also sliding is provided with floating support plate 12 between four supporting legs 11,
It is rectangular leg that specific sliding set-up mode, which is by supporting leg 11, respectively offered at four angles of floating support plate 12 one it is rectangular
Notch, four square breach are stuck in correspondingly on four supporting legs 11.Each lead screw 17 both passes through floating support plate 12, floats
The upper surface of dynamic support plate 12 is fixedly installed limit base 18, and the middle part of limit base 18 offers limit hole 19, and limit hole 19
It is coaxially disposed with through-hole 10.
Executing agency includes the press fitting pipe 1 that 7 top of sleeve is arranged in, and press fitting pipe 1 and through-hole 10 are coaxially disposed, and is pressed pipe 1
Upper end be fixedly connected with for driving the driving device that moves up and down of press fitting pipe 1, driving device can be set to hydraulic cylinder.
The internal diameter of the diameter of through-hole 10, the diameter of limit hole 19 and press fitting pipe 1 is equal to the outer diameter of rotating shaft 20, sleeve 7
Internal diameter it is equal with the outer diameter of bearing monomer 21, and the internal diameter of sleeve 7 be greater than press fitting pipe 1 outer diameter.
When in use, rotating shaft 20 is vertically put into sleeve 7 first, then moves downwardly through rotating shaft 20 logical
Hole 10 is simultaneously ultimately inserted into limit hole 19, so that rotating shaft 20 is mounted on supporting mechanism, by floating support plate 12 to returning
Shaft 20 is supported.Later, by motor 14 drive driving gear 16 rotate, and then by driving gear 16 drive it is all from
Moving gear 15 rotates, because driving gear 16 is engaged with all driven gears 15 simultaneously, the rotation of all driven gears 15
Direction is identical, drive lead screw 17 rotation when driven gear 15 rotates, to drive floating support plate 12 upward by lead screw 17
Or move down, finally the height of rotating shaft 20 is adjusted, destination locations and through-hole until needing to install string bearing
10 upper end is concordant.Then, bearing monomer 21 is placed on to the upper end of rotating shaft 20, drives press fitting pipe 1 downward by driving device
It is mobile, bearing monomer 21 is fitted on rotating shaft 20 by press fitting pipe 1.
In addition it is also possible to first pass through motor 14 before installing rotating shaft 20 to adjust the position of floating support plate 12, make
Rotating shaft 20 is directly concordant with the upper end of through-hole 10 until installing bearing after installing.
The height of rotating shaft 20 can be adjusted in the utility model, and then the height of destination locations is adjusted,
Press fitting process middle (center) bearing monomer 21 is set to be installed to destination locations with settling at one go, accuracy is high and convenient and efficient.
When the length of rotating shaft 20 is long, influenced to be difficult to it by sleeve 7 when rotating shaft 20 is installed
It is aligned with through-hole 20, therefore the upper end of sleeve 7 is also detachably provided with and guides lid 4 into, the middle part for guiding lid 4 into offers directed to aperture
5, directed to aperture 5 and through-hole 10 are coaxially disposed, and the diameter of directed to aperture 5 is equal to the outer diameter of rotating shaft 20, before installing rotating shaft 20
The upper end that lid 4 will be guided into sleeve 7 is arranged in, only needing to be aligned with directed to aperture 5 when installing rotating shaft 20 can guarantee revolution
Axis 20 can be aligned with through-hole 10, be operated more convenient.After rotating shaft 20 is installed, it is only necessary to will guide into lid 4 from return
It removes the upper end of shaft 20.
Further, in order to which the position for guiding lid 4 into is accurately positioned, the outside on the top of sleeve 7 is also fixedly connected with
Outer race 6, the portion integral for guiding lid 4 into are connected with outer collar, and the internal diameter of outer collar is equal with the outer diameter of sleeve 7, outer collar
Outer diameter is equal with the outer diameter of outer race 6, only needs when lid 4 are guided in setting by housing snare on sleeve 7 and makes outer
Lasso is fallen on outer race 6.
Because the outer diameter for being pressed pipe 1 is less than the internal diameter of sleeve 7, press fitting pipe 1 is possible to shake in sleeve 7, be easy
Bearing monomer 21 is caused to wear, in order to avoid the generation of shaking, at least one guide groove is also provided on the inner wall of sleeve 7
8, guide groove 8 extends along the length direction of sleeve 7, and the lower end of press fitting pipe 1 is connected with the guide pad matched with guide groove 8
2, guide groove 8 and guide pad 2 cooperate, it is possible to prevente effectively from press fitting pipe 1 generates shaking.
It cannot make roller stress in view of bearing monomer 21 summarizes in press fitting process, bearing monomer 21 is otherwise easy to cause to damage
Bad, so the lower end of press fitting pipe 1 is also fixedly connected with collar 3, collar 3 and press fitting pipe 1 are coaxially disposed, the internal diameter and pressure of collar 3
The internal diameter of tubulature 1 is equal, and the outer diameter of collar 3 is greater than the inner ring outer diameter of bearing monomer 21, and the outer diameter of collar 3 is less than bearing monomer
21 outer ring internal diameter, by bearing inner race stress during press fitting, bearing outer ring and roller are all mobile with bearing inner race, to guarantee
Bearing monomer 21 is not damaged.
Under normal conditions, destination locations are all the shaft shoulders on rotating shaft 20, and the utility model passes through accurate to the shaft shoulder at this time
Executing agency causes excessive pressure to the shaft shoulder and damages rotating shaft 20 during positioning can be avoided press fitting.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of string bearing press-fitting device, for bearing monomer (21) to be fitted in rotating shaft (20), it is characterised in that: described
Device includes supporting mechanism and executing agency；
The supporting mechanism includes horizontally disposed upper backup pad (9), and through-hole (10) are offered in the middle part of upper backup pad (9), on
The upper surface of support plate (9) is vertically installed with sleeve (7), and sleeve (7) and through-hole (10) are coaxially disposed, upper backup pad (9)
Lower surface is supported by several supporting legs (11), is fixedly installed lower supporting plate between the lower part of four supporting legs (11)
(13), rotation is provided with several lead screws (17), the lower end of each lead screw (17) between lower supporting plate (13) and upper backup pad (9)
Fixing sleeve is equipped with a driven gear (15), is additionally provided with motor (14) below lower supporting plate (13), the output of motor (14)
Axis is upward through lower supporting plate (13), and fixing sleeve is equipped with driving gear (16) afterwards, driving gear (16) and all driven gears (15)
It engages, also sliding is provided with floating support plate (12) between four supporting legs (11), and each lead screw (17) both passes through floating branch
Fagging (12), the upper surface of floating support plate (12) are fixedly installed limit base (18), are opened up in the middle part of limit base (18) limited
Position hole (19), and limit hole (19) and through-hole (10) are coaxially disposed；
The executing agency includes the press fitting pipe (1) being arranged above the sleeve (7), press fitting pipe (1) and the through-hole (10)
Coaxial arrangement, the upper end of press fitting pipe (1) are fixedly connected with the driving device for driving press fitting pipe (1) to move up and down；
The internal diameter of the diameter of the through-hole (10), the diameter of the limit hole (19) and the press fitting pipe (1) is equal to described return
The outer diameter of shaft (20), the internal diameter of the sleeve (7) is equal with the outer diameter of the bearing monomer (21), and the internal diameter of sleeve (7)
Greater than the outer diameter of press fitting pipe (1).
2. a kind of string bearing press-fitting device as described in claim 1, it is characterised in that: the upper end of the sleeve (7) is also removable
It is provided with unloading and guides lid (4) into, guide into the middle part of lid (4) and offer directed to aperture (5), directed to aperture (5) and the through-hole (10) are same
Axis setting, and the diameter of directed to aperture (5) is equal to the outer diameter of the rotating shaft (20).
3. a kind of string bearing press-fitting device as claimed in claim 2, it is characterised in that: the outside on the top of the sleeve (7)
It is also fixedly connected with outer race (6), the portion integral for guiding lid (4) into is connected with outer collar, the internal diameter and sleeve of outer collar
(7) outer diameter is equal, and the outer diameter of outer collar is equal with the outer diameter of outer race (6).
4. a kind of string bearing press-fitting device as described in claim 1, it is characterised in that: also opened on the inner wall of the sleeve (7)
Equipped at least one guide groove (8), guide groove (8) extends along the length direction of sleeve (7), the lower end one of the press fitting pipe (1)
Body is connected with the guide pad (2) matched with guide groove (8).
5. a kind of string bearing press-fitting device as described in claim 1, it is characterised in that: the lower end of the press fitting pipe (1) is also solid
Surely it is connected with collar (3), collar (3) and press fitting pipe (1) coaxial arrangement, the internal diameter phase of the internal diameter and press fitting pipe (1) of collar (3)
It is greater than the inner ring outer diameter of the bearing monomer (21) Deng the outer diameter of, collar (3), and the outer diameter of collar (3) is less than bearing monomer
(21) outer ring internal diameter.
6. a kind of string bearing press-fitting device as described in claim 1, it is characterised in that: the supporting leg (11) is rectangular leg,
A square breach are respectively offered at four angles of the floating support plate (12), four square breach are stuck in four correspondingly
On a supporting leg (11).
7. a kind of string bearing press-fitting device as described in claim 1, it is characterised in that: the lead screw (17) is set as four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042122.7U CN208483471U (en) | 2018-07-03 | 2018-07-03 | A kind of string bearing press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042122.7U CN208483471U (en) | 2018-07-03 | 2018-07-03 | A kind of string bearing press-fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208483471U true CN208483471U (en) | 2019-02-12 |
Family
ID=65249402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821042122.7U Expired - Fee Related CN208483471U (en) | 2018-07-03 | 2018-07-03 | A kind of string bearing press-fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208483471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822330A (en) * | 2019-03-30 | 2019-05-31 | 日照宝华新材料有限公司 | A kind of coiling machine rubber bush more changing device |
| CN113579694A (en) * | 2021-07-22 | 2021-11-02 | 东阳市联宜机电有限公司 | Motor output shaft and gear press-fitting device |
-
2018
- 2018-07-03 CN CN201821042122.7U patent/CN208483471U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822330A (en) * | 2019-03-30 | 2019-05-31 | 日照宝华新材料有限公司 | A kind of coiling machine rubber bush more changing device |
| CN109822330B (en) * | 2019-03-30 | 2024-01-30 | 日照宝华新材料有限公司 | Replacing device for rubber sleeve of coiling machine |
| CN113579694A (en) * | 2021-07-22 | 2021-11-02 | 东阳市联宜机电有限公司 | Motor output shaft and gear press-fitting device |
| CN113579694B (en) * | 2021-07-22 | 2022-12-30 | 浙江联宜电机有限公司 | Motor output shaft and gear press-fitting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20190703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |