CN208417474U - A kind of locking screw matrix bearing locking structure for gear-box - Google Patents
A kind of locking screw matrix bearing locking structure for gear-box Download PDFInfo
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- CN208417474U CN208417474U CN201820856994.0U CN201820856994U CN208417474U CN 208417474 U CN208417474 U CN 208417474U CN 201820856994 U CN201820856994 U CN 201820856994U CN 208417474 U CN208417474 U CN 208417474U
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- planet carrier
- tapered roller
- mounting flange
- roller bearing
- locking
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Abstract
A kind of locking screw matrix bearing locking structure for gear-box, there are two tapered roller bearings for the small end setting of mounting flange, tapered roller bearing outer ring is arranged a connection piece, connector inner ring is provided with the baffle ring for limiting tapered roller bearing, the right side of tapered roller bearing is equipped with a planet carrier, planet carrier and mounting flange are sequentially connected, and locking nut are provided between tapered roller bearing and planet carrier, locking nut is set in the small end of mounting flange.The utility model is arranged locking nut in the right end of tapered roller bearing and is locked on mounting flange, so that the axial thrust load after tapered roller bearing stress has acted against on locking nut, the transmission efficiency of planet carrier is high, and the structure of gear-box is also more stable；It adopts splined mode and planet carrier is connected in mounting flange right end, effectively prevent tapered roller bearing and contacted with the direct of planet carrier；Ring-shaped baffle and there are gap is set between locking nut and planet carrier, ensure that structure is more stable.
Description
Technical field
The utility model belongs to gear-box technical field of improvement, and in particular to a kind of locking screw matrix axis for gear-box
Hold locking mechanism.
Background technique
Gear-box also known as gearbox are widely applied important components in machine driving, are a kind of power transfer mechanisms,
It is a kind of speed reduction gearing；Gear-box is engaged by the gear of the different numbers of teeth, and the revolving speed of motor is converted to working equipment
The revolving speed needed, and increase the device of torque.
A kind of existing walking gear case for 70 tons of excavators, wherein the partial structurtes of gear-box include mounting flange,
There are two tapered roller bearing, tapered roller bearing outer ring is socketed a connector for the small end setting of mounting flange, in connector
Circle has the baffle ring that can limit the two tapered roller bearings, and the right contact formula of tapered roller bearing is provided with planet carrier, row
Carrier and mounting flange are sequentially connected, and when this walking gear-box works, tapered roller bearing meeting stress, existing structure can make to justify
Axial thrust load after taper roller bearing stress acts directly on planet carrier, and planet carrier is as driving member, the stress of the direction
It will affect transmission, for excavator throughout the year in outside work, outdoor environment is severe, vibration of often jolting, and planet carrier transmission is bad can be straight
Connecing leads to gearbox fault, serious or even will affect personal safety.
Therefore, it is necessary to design a kind of locking screw matrix bearing locking structure for gear-box to solve the above problems.
Summary of the invention
To overcome the deficiencies in the prior art described above, the utility model aim is to provide a kind of locking for gear-box
Nut type bearing locking structure.
In order to achieve the above objects and other related objects, technical solution provided by the utility model is: a kind of be used for gear
The locking screw matrix bearing locking structure of case, including mounting flange, there are two taper rollers for the small end setting of the mounting flange
Bearing, the tapered roller bearing outer ring are arranged a connection piece, and the connector inner ring is provided with for limiting the circular cone rolling
The baffle ring of sub- bearing, the right side of the tapered roller bearing are equipped with a planet carrier, and the planet carrier and the mounting flange are driven
Connection, is provided with locking nut, the locking nut is set in described solid between the tapered roller bearing and the planet carrier
Determine the small end of flange.
Preferred technical solution are as follows: the planet carrier is plate-like, and it is convex that the surrounding of the planet carrier left side is provided with annulus
The inside on side, the annulus chimb is coupled with the right end of the mounting flange by spline.
Preferred technical solution are as follows: the mounting flange is that diameter is less than the fixation with annulus chimb connection place
The step of blue end diameter, the left end of the planet carrier are provided with ring-shaped baffle, and the ring-shaped baffle is set on the step.
Preferred technical solution are as follows: be provided with gap between the locking nut and the ring-shaped baffle.
Preferred technical solution are as follows: the mounting flange, locking nut, ring-shaped baffle, planet carrier are coaxially disposed.
Preferred technical solution are as follows: be provided with washer between the tapered roller bearing and the locking nut.
Since above-mentioned technical proposal is used, the utility model has the advantage, that compared with prior art
The utility model is arranged locking nut in the right end of tapered roller bearing and is locked on mounting flange, so that locking
Nut is combined into one with mounting flange, then planet carrier is sequentially connected in the right end of mounting flange, so that taper roller axis
Axial thrust load after endurance has acted against on locking nut, no longer acts directly on planet carrier, the transmission effect of planet carrier
Rate is high, and the structure of gear-box is also more stable；It adopts splined mode and planet carrier is connected in mounting flange right end, effectively
It avoids tapered roller bearing to contact with the direct of planet carrier, improves transmission performance；It is arranged between locking nut and planet carrier
Ring-shaped baffle and there are gap, ensure that structure is more stable；Washer is set also between tapered roller bearing and locking nut
It is buffered to increase, reduces abrasion, extend the service life of gear-box.
Detailed description of the invention
Fig. 1 is the utility model partial structure diagram.
In the figures above, mounting flange 1, tapered roller bearing 2, connector 3, baffle ring 4, planet carrier 5, annulus chimb 6, lock
Tight nut 7, spline 8, ring-shaped baffle 9, step 10, washer 11.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Please refer to Fig. 1.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the utility model can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, it should all still fall in the utility model institute
The technology contents of announcement obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right",
The term of " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Its relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1, a kind of locking screw matrix bearing locking structure for gear-box, including mounting flange 1, fixation
The small end setting of orchid 1 is there are two tapered roller bearing 2, and 2 outer ring of tapered roller bearing is arranged a connection piece 3, and 3 inner ring of connector is set
It is equipped with the baffle ring 4 for limiting tapered roller bearing 2, the right side of tapered roller bearing 2 is equipped with a planet carrier 5, planet carrier 5 and solid
Determine the transmission connection of flange 1, locking nut 7 is provided between tapered roller bearing 2 and planet carrier 5, locking nut 7 is set in fixation
The small end of flange 1.
Note: the small end of mounting flange 1 just refers to that section of fixation that tapered roller bearing 2 and locking nut 7 are arranged in Fig. 1
Orchid 1.
When the work of the walking gear case of 70 tons of excavators, the meeting stress of tapered roller bearing 2, improved structure (such as Fig. 1
It is shown) it is arranged and locking nut 7 and is locked on mounting flange 1 in the right end of tapered roller bearing 2, so that locking nut 7 and solid
Determine flange 1 to be combined into one, then by planet carrier 5 transmission connection mounting flange 1 right end so that tapered roller bearing 2 by
Axial thrust load after power has acted against on locking nut 7, no longer acts directly on planet carrier 5, the transmission efficiency of planet carrier 5
The structure of height, gear-box is also more stable.
Using the locking mode of locking nut 7, it is used to bear the locking side of 2 axial thrust load of tapered roller bearing compared to other
Formula is more easier to dismount, it is only necessary to corresponding screw thread is processed on mounting flange 1；It is tightened by bolts, needs if adopting
Multiple holes are beaten on mounting flange 1, punching will also guarantee that hole location uniformly guarantees uniform force, in order to keep away a bolt head, other
Part may also need grooving；Therefore, the more convenient dismounting of the mode of nut check, locking effect, stress are also more equal
It is even.
Preferred embodiment are as follows: as shown in Figure 1, planet carrier 5 is plate-like, the surrounding of 5 left side of planet carrier is provided with circle
The inside on ring convex side 6, annulus chimb 6 is coupled with the right end of mounting flange 1 by spline 8.Connection, refers to the mutual of connected compcnent
The connection that position can be varied as at work.Setting spline couples herein, so that planet carrier 5 and mounting flange 1 are in work
It may be implemented preferably to be driven during making, planet carrier 5 be connected in the right end of mounting flange 1 by spline, is not only avoided
Axial thrust load after 2 stress of tapered roller bearing directly acts on planet carrier 5, can also work gear-box in the vibration that generates
Play micro- buffer function.Spline couples uniform force, and bearing capacity is high, good to neutrality, and guiding performance is good, is applicable in very much this transmitting
Torque is big, the demanding place of centering precision.
Preferred embodiment are as follows: as shown in Figure 1, mounting flange 1 and 6 connection place of annulus chimb are that diameter is less than fixation
The step 10 of blue 1 end diameter, the left end of planet carrier 5 are provided with ring-shaped baffle 9, and ring-shaped baffle 9 is set on step 10.It is cyclic annular
Baffle 9 can play the role of position supplement and be adjusted when mounting flange 1 and planet carrier 5 are installed, so that structure installation is more
Add stabilization.
Preferred embodiment are as follows: be provided with gap between locking nut 7 and ring-shaped baffle 9.Prevent ring-shaped baffle 9 from passing through
7 capacities of locking nut, eventually lead to 5 discontinuity of planet carrier and influence to be driven, and setting gap is conducive to improve structure
Stability, improve transmission efficiency.
Preferred embodiment are as follows: mounting flange 1, locking nut 7, ring-shaped baffle 9, planet carrier 5 are coaxially disposed.Stress
Uniformly, guarantee stable structure, extend gear-box service life.
Preferred embodiment are as follows: as shown in Figure 1, being provided with washer 11 between tapered roller bearing 2 and locking nut 7.
When on the part component effect locking nut 7 after 2 stress of tapered roller bearing, washer 11 just plays buffering well and makees
With preventing part, contact causes to wear for a long time, extends part service life.
The utility model is arranged locking nut in the right end of tapered roller bearing and is locked on mounting flange, so that locking
Nut is combined into one with mounting flange, then planet carrier is sequentially connected in the right end of mounting flange, so that taper roller axis
Axial thrust load after endurance has acted against on locking nut, no longer acts directly on planet carrier, the transmission effect of planet carrier
Rate is high, and the structure of gear-box is also more stable；It adopts splined mode and planet carrier is connected in mounting flange right end, effectively
It avoids tapered roller bearing to contact with the direct of planet carrier, improves transmission performance；It is arranged between locking nut and planet carrier
Ring-shaped baffle and there are gap, ensure that structure is more stable；Washer is set also between tapered roller bearing and locking nut
It is buffered to increase, reduces abrasion, extend the service life of gear-box.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (6)
1. a kind of locking screw matrix bearing locking structure for gear-box, including mounting flange, the small end of the mounting flange
There are two tapered roller bearing, the tapered roller bearing outer rings to be arranged a connection piece for setting, and the connector inner ring is provided with
For limiting the baffle ring of the tapered roller bearing, the right side of the tapered roller bearing is equipped with a planet carrier, the planet carrier
It is sequentially connected with the mounting flange, it is characterised in that: locking is provided between the tapered roller bearing and the planet carrier
Nut, the locking nut are set in the small end of the mounting flange.
2. a kind of locking screw matrix bearing locking structure for gear-box according to claim 1, it is characterised in that: institute
Stating planet carrier is plate-like, and the surrounding of the planet carrier left side is provided with annulus chimb, the inside of the annulus chimb with it is described
The right end of mounting flange is coupled by spline.
3. a kind of locking screw matrix bearing locking structure for gear-box according to claim 2, it is characterised in that: institute
It states mounting flange and annulus chimb connection place is the step that diameter is less than the mounting flange end diameter, the planet carrier
Left end be provided with ring-shaped baffle, the ring-shaped baffle is set on the step.
4. a kind of locking screw matrix bearing locking structure for gear-box according to claim 3, it is characterised in that: institute
It states and is provided with gap between locking nut and the ring-shaped baffle.
5. a kind of locking screw matrix bearing locking structure for gear-box according to claim 3, it is characterised in that: institute
Mounting flange, locking nut, ring-shaped baffle, planet carrier is stated to be coaxially disposed.
6. a kind of locking screw matrix bearing locking structure for gear-box according to claim 1, it is characterised in that: institute
It states and is provided with washer between tapered roller bearing and the locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856994.0U CN208417474U (en) | 2018-06-04 | 2018-06-04 | A kind of locking screw matrix bearing locking structure for gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856994.0U CN208417474U (en) | 2018-06-04 | 2018-06-04 | A kind of locking screw matrix bearing locking structure for gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417474U true CN208417474U (en) | 2019-01-22 |
Family
ID=65109636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820856994.0U Active CN208417474U (en) | 2018-06-04 | 2018-06-04 | A kind of locking screw matrix bearing locking structure for gear-box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417474U (en) |
-
2018
- 2018-06-04 CN CN201820856994.0U patent/CN208417474U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Asia Pacific Jingrui Transmission Technology Co.,Ltd. Address before: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU ASIA PACIFIC METAL Co.,Ltd. |