CN106402169B - Split type bearing assembly - Google Patents
Split type bearing assembly Download PDFInfo
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- CN106402169B CN106402169B CN201510581656.1A CN201510581656A CN106402169B CN 106402169 B CN106402169 B CN 106402169B CN 201510581656 A CN201510581656 A CN 201510581656A CN 106402169 B CN106402169 B CN 106402169B
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Abstract
A kind of split type bearing assembly (1), including bearing block (2) and bearing cap (3), wherein bearing cap (3) includes clamping surface (6), it is under the assembled state of the bearing assembly (1) against the cooperation clamping surface (7) of the bearing block (2), wherein the bearing cap (3) can be connect with the bearing block (2) by bolt (11), the bolt (11) is arranged in the through-hole (10) of the bearing block (2) and the bearing cap (3), wherein the through-hole (10) has diameter D (15), the bolt (11) has diameter d (17), and in the clamping surface (6) and highlightedly arrange at least one raised (8), it can be inserted into the groove (9) of the cooperation clamping surface (7) of the bearing block (2), and, From cross section, the protrusion (8) has width (18) and height (19), it is characterized in that, the width (18) of the protrusion (8) is big as the difference at least between the diameter D (15) of the through-hole and the diameter d (17) of the bolt (11).
Description
Technical field
The present invention relates to a kind of split type bearing assemblies.
Background technique
Split type bearing assembly includes bearing block and bearing cap, wherein the bearing cap has a clamping surface,
It is abutted against under the assembled state of bearing assembly on the cooperation clamping surface of bearing block, wherein the bearing cap can lead to bearing block
It crosses and is bolted, the bolt is disposed in the hole of bearing block and bearing cap, wherein the hole has diameter D, the bolt
With diameter d, and it is wherein protrudedly formed at least one protrusion on the clamping surface, can be inserted into the cooperation of bearing block
In one groove of clamping surface, and from cross section, there is a width and a height.
Split type bearing assembly has clamped bearing cap and bearing block, this is known from the prior art, such as
For supporting crankshaft.In order to replace the drilling of the bearing hole on sliding bearing or bearing cap and bearing block, they must be separated.
After after drilling or more renewing sliding bearing, bearing cap is clamped to bearing block again.In order to reach suitable necessity again
Precision, it is known that such bearing assembly, i.e., those wherein bearing cap is independent of drive tab generation, and these are all wherein shapes
At in bearing cap protrusion, the first clamping force by bearing cap in cooperation clamping surface is pressed into or is inserted into prefabricated to bearing block
Corresponding groove.
The cooperation of bearing block and bearing cap assembly is the key factor that bearing smoothly operates.In particular, should not be axis
The side Cheng Gai is mounted on bearing block, therefore, is formed between bearing block and bearing cap without offset, on edge, in use
The increased mechanical load of sliding bearing or its sliding layer of bearing hole being directly coated with are disturbed.When bearing block and bearing cap pass through hand
The component cooperation of work assembling, still is able to be relatively easy to achieve, in the large-scale production of motor vehicles or motor vehicles component,
Due to the frequency of high circulation number, error rate is still bigger.
Summary of the invention
The purpose of the present invention is reduce error rate when bearing cap clamps jointly with bearing block.
This purpose of the invention be based on above-mentioned bearing assembly and obtain, raised width at least with the diameter D of through-hole
It is big as difference between the diameter d of bolt.
It is surprising that it has been found that the width when protrusion is greater than between the diameter D of through-hole and the diameter d of bolt
When difference, the correct assembly that can be reliably achieved between bearing block and bearing cap.Therefore, it can preferably avoid, bearing cap
Protrusion close on or deviate central place be resisted against bearing block cooperation clamping surface on groove.Rear projection also have such category
Property, be pressed into bearing block by clamping jointly in cooperation clamping surface, incorrect positioning causes groove to be widened, thus it is raised not
It is accurately received again in a groove.Through the invention, this can be effectively prevented, to make the assembling of bearing cap and bearing block
Error rate can be significantly reduced.
May be implemented to be further improved this effect, if when protrusion width be greater than through-hole diameter D and bolt it is straight
Raised spacing at least corresponds to convex in difference between diameter d, and/or width and/or through-hole of the height less than protrusion of protrusion
The width risen.
It can be provided, be convexed to form as ribbon according to the variation of another bearing assembly.By banded protrusion,
Distortion of the bearing cap with respect to the divisional plane of bearing assembly is preferably avoided, this leads to the group of bearing cap and bearing block again in turn
The error rate of dress can reduce.
Preferably include side surface, and the banded protrusion with wedge shape section.Project through bearing cap and bearing block
Common clamp and the sliding of the groove in cooperation clamping surface is improved, thus the cooperation of bearing cap and bearing block can obtain
To improvement.
It can be provided according to a preferred variation, at least one of side surface is with clamping surface by angularly cloth
It sets, which selects in the range of from 10 ° to 150 °, and thus protrusion is further improved in the sliding of groove, does not need
An opposite clamping surface is broadened or generated by the groove of bearing block of the protrusion when bearing cap and bearing block clamp jointly
New groove.
Detailed description of the invention
In order to better understand, the present invention is further as shown in the following drawings.
Indicate to its simplified schematic:
Fig. 1 shows the cross section of bearing assembly details.
Specific embodiment
It should be pointed out that identical appended drawing reference or identical component Name indicate in the different embodiments of description
Identical component, thus can be by identical appended drawing reference at identical component Name included in the disclosure of the whole instruction
Similarly it is applied to identical component.In addition, selected location information, such as top, bottom, side etc. is directly described
With show, when can similarly be transferred to a new position by change in location.In Fig. 1 is a split type axis
The section of bearing assembly 1, it is, for example, to be used for the machine case of reciprocating engine, rather than show in assembled state.It is described
Bearing assembly 1 includes bearing block 2 and bearing cap 3.The bearing cap 3 and the bearing block 2 have a bearing hole 4.The axis
Bearing bore 4 is for accommodating a sliding bearing, especially sliding bearing shell, and in this example, a crankshaft can be received.But it
It could also be possible that being coated with bearing material directly in the upper surface of bearing hole 45 to form lubricant layer.
Bearing cap 3 two farther away terminal region respectively have a clamping surface 6 and bearing block 2 its two
A terminal region respectively has a cooperation clamping surface 7 opposite with clamping surface 6.The clamping surface 6 is protruded from, it is each
A arrangement of clamping surface 6 forms at least one protrusion 8.
The cooperation clamping surface 7 of bearing block 2 forms at least one groove 9.The quantity of the groove 9 and the number of protrusion 8
It is corresponding.At least enough grooves 9 are arranged or are formed, so that each raised 8 are accommodated in a groove 9.If must
If wanting, multiple raised 8 can also be accommodated in a common groove 9, although this is not the preferred implementation of bearing assembly 1
Example.
The shape of at least one groove 9 and the shape of at least one protrusion 8 match, and keep protrusion 8 quasi-
It really is received in groove 9, it is preferable that groove 9 is the opposite cross-sectional shape of protrusion 8.For this reason, in bearing group
Under the assembled state of part 1, groove 9 is also disposed in the underface of protrusion 8.
In order to clamp bearing block 2 and bearing cap 3, therefore, in the farther away terminal region of the clamping surface 6 of bearing cap 3,
These components respectively have one to be disposed in perforative through-hole 10.To respectively there be a bolt 11 to be received in these through-holes 10.
Bolt 11 extends in the blind hole 12 of cooperation clamping surface 7 of bearing block 2.Blind hole 12 is provided with internal screw thread, to make by twisting
Tight bolt 11 and make it possible that bearing cap 3 and the common of bearing block 2 clamp.One bolt head 13 is against the outer of bearing cap 3
Surface, as seen from Fig. 1.
In variant embodiment, the side away from bearing hole 4 of the through-hole 10 on clamping surface 6 is arranged in protrusion 8, that is,
Overlook view --- it is arranged between the end face 14 of bearing cap 3 and through-hole 10.However, they can also optionally or additionally set
Set the other side on clamping surface 6, that is, the side towards bearing hole 4 of through-hole 10.It may be in this way, each clamping surface 6
At least arrange or formed two protrusions 8.
Protrusion 8 can be made of the material of bearing cap 3, can also be made of the material harder than the material of bearing cap 3.Separately
Outside, protrusion 8 the harder material of the material in 7 region of clamping surface can be made with than bearing block 2, so that these protrusions 8
It can be pressed into bearing cap 3 in the compression and clamping for cooperating clamping surface 7 by bearing block 2.For example, bearing cap 3 can be with
It is made of a kind of iron-bearing materials, and bearing block 2 is made of a kind of light metal.In particular, bearing cap 3 is by sintering ferrous material system
At.
Below only using 1 part of bearing assembly shown in FIG. 1 as reference.Second side of bearing cap 3, it is especially (not shown)
In the region of second clamping surface, clamping surface 6 it can also be formed as illustrated in fig. 1, so that following embodiment is therewith
It is transferred to this region of bearing cap 3.
Through-hole 10 has diameter D15.Through-hole 10 should realize removal, such as pass through the transversal taper on clamping surface 6, diameter
D15 refers to the diameter in the conical region.Diameter D15 therefore always through-hole 10 pass through the through-hole 10 along the direction of long central axis 16
The smallest diameter.
Bolt 11 has diameter d17.Therefore the maximum gauge of bolt 11 refers to, along longitudinal direction the length of central axis 16.Herein,
Bolt head 13 is not considered, only considers that a part that bolt 11 is arranged in through-hole 10.
The diameter D15 of through-hole 10 is greater than the diameter d17 of bolt, therefore the difference between diameter D15 and diameter d17 limits
Gap, making bolt 11 includes in through-hole 10.
Cross section of the protrusion 8 on 3 positive direction of bearing cap can be observed, therefore in the vertical direction of Fig. 1 plate face
Can also be observed --- width 18 and height 19 on clamping surface 6.
It there is presently provided, difference of the width 18 of protrusion 8 at least between the diameter D15 of through-hole 10 and the diameter d17 of bolt 11
Value is equally big, also big as the gap of through-hole 10 with bolt 11.It is preferred that the width 18 of protrusion 8 is greater than the diameter D15 of through-hole 10
Difference between the diameter d17 of bolt 11.Especially width 18 can be 0.5 millimeter to 5 mm wides.
In principle, it is also possible to which the protrusion 8 of only one bearing cap 3 meets the condition.Preferably, the deformation of bearing assembly 1
Each raised 8 are all satisfied the condition in example.This is suitable for deformation implementation that is all other, will be described below bearing assembly 1
Example.
It can be provided according to the embodiment of another bearing assembly 1, the height 19 of protrusion 8 is less than the width 18 of protrusion.It is special
It is not that the height 19 of protrusion 8 can be the 5% to 90% of the width 18 of protrusion 8.
It can be provided according to the embodiment of another bearing assembly 1, the spacing 20 of protrusion 8 at least corresponds to convex on through-hole 10
Play 8 width 18.Preferably, on through-hole 10 protrusion 8 spacing 20 be greater than protrusion 8 width 18.In particular, raised on through-hole 10
8 spacing 20 can be between 0.5mm and 10mm.
The most short spacing 20 that spacing 20 limits comprising the protrusion 8 of through-hole 10, as shown in Figure 1.
It is preferred that protrusion 8 is formed as ribbon, there is a longitudinal extent on the axial direction of bearing assembly 1.Such as Fig. 1
Shown, this is in the direction of plate face.
Banded raised 8 can extend at least 70% on above-mentioned axial direction on the width of clamping surface 6, especially
At least 80%.It could also be possible that banded raised 8 extend on the entire width of clamping surface 6 along above-mentioned direction.Preferably
It is that banded raised 8 terminate in the front side of bearing cap 3 and rear side, that is, so that it is not on the entire width of clamping surface 6
Extend along above-mentioned direction.
According to banded raised 8 further preferred embodiment, as shown in Figure 1, can provide a kind of includes side
Surface 21 and with wedge shape section banded raised 8.Advantageously, at least one of side surface 21 and clamping surface 6 at
Angle 22 arranges, the angle from 10 ° to 150 ° in the range of select, the especially range from 45 ° to 120 °.Preferably, two
Side surface 21 is identical as the absolute value of the inclined angle 22 of clamping surface 6.
Embodiment shows or is depicted the variation of possible bearing assembly 1, and it should be noted that, each variation that
This various various combination is possible.It should be noted that better understood to provide the one of the structure of bearing assembly 1, it
With its component part it is not in proportion and/or amplification and/or reduce size.
Appended drawing reference
1 bearing assembly
2 bearing blocks
3 bearing caps
4 bearing holes
5 upper surfaces
6 clamping surfaces
7 cooperation clamping surfaces
8 protrusions
9 grooves
10 through-holes
11 bolts
12 blind holes
13 bolt heads
14 end faces
15 diameters
16 central axises
17 diameters
18 width
19 height
20 spacing
21 side surfaces
22 angles.
Claims (7)
1. a kind of split type bearing assembly (1), including bearing block (2) and bearing cap (3), wherein the bearing cap (3) includes folder
It holds surface (6), the clamping surface (6) is under the assembled state of the bearing assembly (1) against the cooperation of the bearing block (2)
Clamping surface (7), wherein the bearing cap (3) can be connect with the bearing block (2) by bolt (11), the bolt (11)
It is arranged in the through-hole (10) of the bearing block (2) and the bearing cap (3), wherein the through-hole (10) has diameter D
(15), the bolt (11) has diameter d (17), and highlightedly arranges at least one protrusion in the clamping surface (6)
(8), raised (8) are inserted into the groove (9) of the cooperation clamping surface (7) of the bearing block (2), also, from
Cross section observation, the protrusion (8) have width (18) and height (19), which is characterized in that the width of the protrusion (8)
(18) big as the difference at least between the diameter D (15) of the through-hole and the diameter d (17) of the bolt (11).
2. bearing assembly (1) as described in claim 1, which is characterized in that the width (18) of the protrusion (8) is greater than institute
State the difference between the diameter D (15) of through-hole (10) and the diameter d (17) of the bolt (11).
3. bearing assembly (1) as claimed in claim 1 or 2, which is characterized in that the height (19) of the protrusion (8) is small
The width (18) in raised (8).
4. bearing assembly (1) as claimed in claim 1 or 2, which is characterized in that the through-hole (10) and raised (8)
Spacing (20) at least corresponds to the width (18) of raised (8).
5. bearing assembly (1) as claimed in claim 1 or 2, which is characterized in that the protrusion (8) is formed as banded convex
It rises.
6. bearing assembly (1) as claimed in claim 5, which is characterized in that the banded protrusion includes side surface (21),
And there is wedge shape section.
7. bearing assembly (1) as claimed in claim 6, which is characterized in that at least one of described side surface (21) and institute
It states clamping surface (6) arrange that the angle selects in the range of from 10 ° to 150 ° with being at an angle of (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510581656.1A CN106402169B (en) | 2015-08-03 | 2015-08-03 | Split type bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510581656.1A CN106402169B (en) | 2015-08-03 | 2015-08-03 | Split type bearing assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106402169A CN106402169A (en) | 2017-02-15 |
| CN106402169B true CN106402169B (en) | 2019-10-22 |
Family
ID=58007755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510581656.1A Active CN106402169B (en) | 2015-08-03 | 2015-08-03 | Split type bearing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402169B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372891A (en) * | 2018-11-30 | 2019-02-22 | 上海汽车粉末冶金有限公司 | Bearing cap and bearing block assembling structure and its assembly method |
| CN110206821B (en) * | 2019-06-04 | 2020-07-21 | 宁波达尔机械科技有限公司 | Self-lubricating alloy bearing with long service life |
| CN112460152B (en) * | 2020-11-21 | 2021-10-26 | 大连理工大学 | Split type bearing seat structure and machining method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07305716A (en) * | 1994-05-13 | 1995-11-21 | Wakayama Nainenki Kk | Large end side assembling structure for connecting rod |
| CN1468674A (en) * | 2002-06-27 | 2004-01-21 | ��ľ��ʽ���� | Method for producing crankshaft support |
| CN200943648Y (en) * | 2006-08-02 | 2007-09-05 | 王继生 | Dust-proof water-proof closed type bearing pad case |
| CN102138012A (en) * | 2008-09-01 | 2011-07-27 | 米巴烧结奥地利有限公司 | Bearing cover |
| CN104246245A (en) * | 2012-04-26 | 2014-12-24 | Gkn烧结金属有限公司 | Main bearing cap with locating feature |
-
2015
- 2015-08-03 CN CN201510581656.1A patent/CN106402169B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07305716A (en) * | 1994-05-13 | 1995-11-21 | Wakayama Nainenki Kk | Large end side assembling structure for connecting rod |
| CN1468674A (en) * | 2002-06-27 | 2004-01-21 | ��ľ��ʽ���� | Method for producing crankshaft support |
| CN200943648Y (en) * | 2006-08-02 | 2007-09-05 | 王继生 | Dust-proof water-proof closed type bearing pad case |
| CN102138012A (en) * | 2008-09-01 | 2011-07-27 | 米巴烧结奥地利有限公司 | Bearing cover |
| CN104246245A (en) * | 2012-04-26 | 2014-12-24 | Gkn烧结金属有限公司 | Main bearing cap with locating feature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106402169A (en) | 2017-02-15 |
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