CN206072307U - The bearing block of gear-box - Google Patents
The bearing block of gear-box Download PDFInfo
- Publication number
- CN206072307U CN206072307U CN201621091310.XU CN201621091310U CN206072307U CN 206072307 U CN206072307 U CN 206072307U CN 201621091310 U CN201621091310 U CN 201621091310U CN 206072307 U CN206072307 U CN 206072307U
- Authority
- CN
- China
- Prior art keywords
- annular
- supporting part
- bearing block
- gusset
- gear
- 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.)
- Expired - Fee Related
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- General Details Of Gearings (AREA)
Abstract
This utility model provides a kind of bearing block of gear-box.The bearing block of this utility model gear-box, including：Flange, annular casing supporting part, gusset, annular brace bearing portion；Wherein, flange is arranged on the outside of annular casing supporting part, and annular casing supporting part is arranged on the outside of annular brace bearing portion；Annular space is formed between annular casing supporting part and annular brace bearing portion, annular space includes gusset, weight saving areas and smooth structure.The ball pack arrangement that gusset is included supporting part and is connected with annular space bottom, the radially connected annular casing supporting part of supporting part and annular brace bearing portion.This utility model not only reduces gear-box overall weight, better meets gear-box lightweight requirements, and meets the requirement of the performances such as the intensity of bearing block, rigidity, reduces the difficulty and cost of processing.
Description
Technical field
This utility model is related to gear box structure technology, more particularly to a kind of bearing block of gear-box.
Background technology
Bullet train gear box be located at motor-car bottom, on rail car axle, directly bear rail to wheel to impact, tooth
Wheel casing plays a part of support by bearing block to rotatable parts such as bearings, therefore gear-box bearing block should have enough
Intensity has enough rigidity to ensure the stability of drive system to avoid damaging again.
Existing bearing block is solid construction, arranges gusset to carry out load-bearing using regular geometric body, cause on bearing block
Blank is thick and heavy, processes loaded down with trivial details, and production cost is higher.
Utility model content
This utility model provides a kind of bearing block of gear-box, underuses casting advantage to solve existing bearing block,
Cause blank thick and heavy, process loaded down with trivial details, the higher problem of production cost.
This utility model provides a kind of bearing block of gear-box, including：Flange, annular casing supporting part, gusset, annular
Support bearing portion；Wherein,
The flange is arranged on the outside of the annular casing supporting part, and the annular casing supporting part is arranged on the ring
The outside of shape support shaft bearing portion；
Annular space, the annular space are formed between the annular casing supporting part and the annular brace bearing portion
Including the gusset, weight saving areas and smooth structure；
The gusset is arranged radially in the weight saving areas, and the gusset includes supporting part and empty with the annular
Between bottom connection ball pack arrangement, the radially connected annular casing supporting part of supporting part and the annular brace bearing
Portion.
Alternatively, the space shared by the weight saving areas is the 1/2 of the annular space.
Alternatively, highly identical, the height of the smooth structure of the height of the smooth structure and the ball pack arrangement
Higher than the height of the weight saving areas.
Alternatively, the arrangement angle of the ball pack arrangement is identical with the arrangement angle of annular space back bolt hole.
Alternatively, the supporting part is connected with the ball pack arrangement rounding off.
Alternatively, the annular casing supporting part is relative to being provided with fuel feed hole on the side wall of the weight saving areas.
Alternatively, two symmetrical pin-and-holes are provided with the side wall of the annular brace bearing portion.
The bearing block of the gear-box that the present embodiment is provided, first, is ensureing bearing block integrally with support stiffness and intensity
In the case of, the weight saving areas of setting and gusset cause bearing block uniform force in gear-box actual motion, reduce bearing
The weight of seat, while having reached gear-box lightweight and the requirement of reduces cost.Secondly, the smooth structure of setting causes bearing block
Form even surface and avoid the stop to lubricating oil, promote bearing lubrication.
Description of the drawings
The structural representation one of the bearing block of the gear-box that Fig. 1 is provided for this utility model.
The structural representation two of the bearing block of the gear-box that Fig. 2 is provided for this utility model.
Specific embodiment
Gear-box is a kind of box parts for playing and supporting and lubricate bearing effect.Bearing is arranged in gear-box, bearing
Inner support point is axle, and outer support is exactly bearing block.Bearing is, for support shaft, to allow axle to run well.Bearing block is for propping up
Support bearing, the outer ring of fixing bearing.I.e. bearing block only allows the inner ring of bearing to rotate, and the outer ring of bearing remains stationary as, and bearing
Rotation direction it is consistent with transmission direction all the time.
The structural representation one of the bearing block of the gear-box that Fig. 1 is provided for this utility model.As shown in figure 1, the present embodiment
The bearing block of the gear-box of offer, including：Flange 10, annular casing supporting part 20, gusset 30, annular brace bearing portion 40；Its
In, flange 10 is arranged on the outside of annular casing supporting part 20, and annular casing supporting part 20 is arranged on annular brace bearing portion 40
Outside；Annular space 50 is formed between annular casing supporting part 20 and annular brace bearing portion 40, annular space 50 includes
Gusset 30, weight saving areas 51 and smooth structure 52；Gusset 30 is arranged radially in weight saving areas 51, and gusset 30 includes supporting part
31 and the ball pack arrangement 32 that is connected with 50 bottom of annular space, the radially connected annular casing supporting part 20 of supporting part 31 and annular
Support shaft bearing portion 40..
Specifically, flange 10 is the dish configuration positioned at bearing block outer ring, provides and prop up anti-when being subject to axial force for bearing block
Power.Annular casing supporting part 20 is the circular ring structure between flange 10 and annular brace bearing portion 40, is provided for bearing block
Support.Annular brace bearing portion 40 is the cylindrical structure positioned at bearing block center, the spring bearing when bearing is rotated.
Further, annular space 50 is formed between annular casing supporting part 20 and annular brace bearing portion 40, should
Annular space 50 includes gusset 30, weight saving areas 51 and smooth structure 52, and gusset 30 is arranged radially in weight saving areas 51, muscle
The ball pack arrangement 32 that plate 30 is included supporting part 31 and is connected with 50 bottom of annular space, the radially connected annular casing of supporting part 31
Supporting part 20 and annular brace bearing portion 40.
Wherein, gusset 30 is arranged radially in weight saving areas 51, to reach the effect of reinforcing and supporting bearing base.Gusset
30 can be multiple, and arranged distribution may be configured as equidistantly, and the gusset 30 of increase effectively improves bearing block in gear-box reality
Stressing conditions during operation.
The ball pack arrangement 32 that gusset 30 is included supporting part 31 and is connected with 50 bottom of annular space, 31 radial direction of supporting part connect
Connect annular casing supporting part 20 and annular brace bearing portion 40.
Specifically, the radially connected annular casing supporting part 20 of supporting part 31 and annular brace bearing portion 40, play support and
Strengthen the effect of bearing block.The side that supporting part 31 is connected with ball pack arrangement 32 is in the shape of a hemispheroid, with ball pack arrangement 32
Gusset 30, loss of weight can ensure 30 intensity of gusset to greatest extent.
Smooth structure 52 is not provided with gusset 30, so as to form even surface, not only alleviates the weight of bearing block, also so that tooth
When roller box stirs oil, oil-feed is unobstructed, it is to avoid the stop to lubricating oil, plays a part of to lubricate bearing.
Weight saving areas 51 account for the ratio of annular space 50, in the case where ensureing that bearing block integrally has support stiffness, root
Factually the stressing conditions on border to be arranging, so as to ensure that weight saving areas 51 reach farthest reduction, and using less material,
Reduce and consume.For example, in the present embodiment, the space shared by weight saving areas 51 for annular space 50 1/2.
In a specific embodiment, bearing block adopts cast iron materials (such as QT400-18), is designed by the present embodiment
Loss of weight type bearing support quality be 9.763Kg, do not adopt loss of weight design bearing block quality for 12.05Kg.Under same load,
Verified by simulation software analytical calculation, the stress of loss of weight type bearing support is almost similar to not loss of weight type bearing support, loss of weight profile shaft
Bearing stress also exceedes far away Materials Yield Limit, and which is functional and profile is light and handy.It follows that in the present embodiment, subtract
Heavy amount is 2.287Kg, reduces by 19% casting raw material consumption, not only reduces production cost, more reduce gear-box total
Body weight, has better met gear-box lightweight requirements.
The bearing block of the gear-box that the present embodiment is provided, first, is ensureing bearing block integrally with support stiffness and intensity
In the case of, the weight saving areas of setting and gusset cause bearing block uniform force in gear-box actual motion, reduce bearing
The weight of seat, while having reached gear-box lightweight and the requirement of reduces cost.Secondly, the smooth structure of setting causes bearing block
Form even surface and avoid the stop to lubricating oil, promote bearing lubrication.
The structure of specific embodiment, the bearing block provided to this utility model is adopted to be described in detail below.
First, the structure of gusset in the present embodiment 30 is described in detail.
Alternatively, the arrangement angle phase of the bolt hole 33 that the arrangement angle of ball pack arrangement 32 is arranged with 50 back of annular space
Together.
Specifically, the structural representation two of the bearing block of the gear-box that Fig. 2 is provided for this utility model, as shown in Fig. 2 ball
The opposite side of pack arrangement 32 is provided with bolt hole 33, and meets the requirement that ball pack arrangement 32 is not pierced, and both ensure that bolt hole
33 intensity, also reduces the difficulty of processing.
Alternatively, supporting part 31 is connected with 32 rounding off of ball pack arrangement, so as to ensure that bearing block in gear-box reality
Uniform force during operation, beneficial to Oil Guide and improves lubricant effect to bearing.
Secondly, weight saving areas in the present embodiment 51 and smooth structure 52 are described in detail.
Alternatively, the height of smooth structure 52 is highly identical with ball pack arrangement 32, and the height of smooth structure 52 is higher than to subtract
The height in weight region 51.
Specifically, the height of smooth structure 52 is arranged and meets the requirement not penetrated by screwed hole, reduces difficulty of processing, is put down
The height of Slipped Clove Hitch structure 52 is arranged and ensures that weight saving areas 51 reach farthest reduction, it is possible to reduce the use of material.
Alternatively, annular casing supporting part 20 is relative to being provided with fuel feed hole 60 on the side wall of smooth structure 52.
Specifically, fuel feed hole 60 is radially provided with the corresponding annular casing supporting part of smooth structure 52 20, annular of going directly
Support shaft bearing portion 40.When gear housing operates, lubricating oil enters fuel feed hole 60, lubricates bearing.Wherein, smooth structure 52 does not set
Gusset 30 is put, and then smooth structure 52 has been internally formed even surface so that oil-feed is unobstructed when gear-box stirs oil, it is to avoid to lubrication
The stop of oil, promotes the lubrication to bearing.
Finally, the structure of the pin-and-hole 70 to arranging on annular brace bearing portion 40 is illustrated.
Alternatively, the side wall of annular brace bearing portion 40 is provided with two symmetrical pin-and-holes 70.
Specifically, pin-and-hole 70 is two radial holes positioned at the distribution of 40 end symmetric of annular brace bearing portion.Pin-and-hole 70
It is divided into throughhole portions and threaded portion.The working position of pin hole processing 70 during casting, can be reserved in annular casing supporting part 20, is utilized
Hypotenuse finger setting, the mode of screw plug locking work.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (7)
1. a kind of bearing block of gear-box, it is characterised in that include：Flange, annular casing supporting part, gusset, annular brace axle
Bearing portion；Wherein,
The flange is arranged on the outside of the annular casing supporting part, and the annular casing supporting part is arranged on the annular
The outside of support bearing portion；
Annular space is formed between the annular casing supporting part and the annular brace bearing portion, the annular space includes
The gusset, weight saving areas and smooth structure；
The gusset is arranged radially in the weight saving areas, the gusset include supporting part and with the annular space bottom
The ball pack arrangement of portion's connection, the radially connected annular casing supporting part of supporting part and the annular brace bearing portion.
2. bearing block according to claim 1, it is characterised in that the space shared by the weight saving areas is empty for the annular
Between 1/2.
3. bearing block according to claim 1, it is characterised in that the height of the smooth structure and the ball pack arrangement
Highly identical, the height of the smooth structure is higher than the height of the weight saving areas.
4. bearing block according to claim 1, it is characterised in that the arrangement angle of the ball pack arrangement and the annular are empty
Between back bolt hole arrangement angle it is identical.
5. bearing block according to claim 1, it is characterised in that the supporting part is connected with the ball pack arrangement rounding off
Connect.
6. bearing block according to claim 1, it is characterised in that the annular casing supporting part is relative to the smooth knot
Fuel feed hole is provided with the side wall of structure.
7. bearing block according to claim 1, it is characterised in that be provided with two on the side wall of the annular brace bearing portion
Individual symmetrical pin-and-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621091310.XU CN206072307U (en) | 2016-09-28 | 2016-09-28 | The bearing block of gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621091310.XU CN206072307U (en) | 2016-09-28 | 2016-09-28 | The bearing block of gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206072307U true CN206072307U (en) | 2017-04-05 |
Family
ID=58439189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621091310.XU Expired - Fee Related CN206072307U (en) | 2016-09-28 | 2016-09-28 | The bearing block of gear-box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206072307U (en) |
-
2016
- 2016-09-28 CN CN201621091310.XU patent/CN206072307U/en not_active Expired - Fee Related
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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: 20170405 Termination date: 20190928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |