CN206770427U - A kind of engine base bearing stand structure - Google Patents
A kind of engine base bearing stand structure Download PDFInfo
- Publication number
- CN206770427U CN206770427U CN201720525758.6U CN201720525758U CN206770427U CN 206770427 U CN206770427 U CN 206770427U CN 201720525758 U CN201720525758 U CN 201720525758U CN 206770427 U CN206770427 U CN 206770427U
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- Prior art keywords
- bearing
- bearing block
- block body
- column
- engine base
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of engine base bearing stand structure, including the bearing block body being connected with engine cylinder block, one end of the bearing block body is provided with the mounting groove being adapted with bearing, the other end of the bearing block body is provided with the arc bending convex tendon of outwardly convex, it is in the fan-shaped lightening grooves arranged to be provided with the middle part of described bearing block body, and one end on the inside of the mounting groove is additionally provided with can be by the keyway of bearing locking；The both sides of the bearing block body are equipped with the column of the hollow structure for connecting fastening bolt, and the horizontal drawing device for preventing fastening bolt from loosening of outwardly convex is additionally provided with the middle part of the column.The utility model is simple in construction, by setting up bending convex tendon, lightening grooves, keyway and horizontal drawing device on bearing block body, improves the stability and reliability of main bearing seat installation, avoids turbine being utilized and damage, extend the service life of bearing block.
Description
Technical field
Engine fittings technical field is the utility model is related to, more specifically, it relates to a kind of main bearing pedestal of engine
Structure.
Background technology
Engine usually requires that other parts are connected with main shaft by bearing, and the installation of bearing then needs to pass through axle
Bearing is fixed.Existing main bearing pedestal of engine is typically bolted on engine, and main bearing seat location and installation is difficult,
Easily occur connecting error and occurring connecting insecure problem, because engine spindle rotates at a high speed, so as to cause base bearing
Seat loosens, the problem of causing engine damage, also, main bearing seat is one piece of solid-iron, stress concentration is easily caused, so as to contract
The short service life of main bearing seat, add use and the maintenance cost of user.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for prior art, there is provided it is a kind of simple in construction,
It is easy to make, main bearing pedestal of engine connective stability and the main bearing seat structure of reliability can be improved.
The technical solution of the utility model is such：A kind of engine base bearing stand structure, including with cylinder
The bearing block body of body phase even, one end of the bearing block body are provided with the mounting groove being adapted with bearing, the bearing block sheet
The other end of body is provided with the arc bending convex tendon of outwardly convex, and the loss of weight in fan-shaped arrangement is provided with the middle part of described bearing block body
Groove, one end on the inside of the mounting groove is additionally provided with can be by the keyway of bearing locking；The both sides of the bearing block body are equipped with use
Outwardly convex is additionally provided with the middle part of the column of the hollow structure of connection fastening bolt, the column prevents that fastening bolt is loose
Dynamic horizontal drawing device.
As a further improvement, the middle part of the bending convex tendon is provided with the horizontally disposed company for installing other parts
Platform is connect, a screwed hole is provided with the connecting platform.
Further, described horizontal drawing device include with the described integrally formed cylindrical mounting seat of column and with the peace
Dress seat is coaxially arranged and is connected with the horizontal horizontal drawing screw for drawing bolt to be adapted, described horizontal drawing screw with the inner chamber of the column
It is logical.
Further, described mounting seat and the perpendicular also, described mounting seat of described column, horizontal drawing screw with
Described lightening grooves are located in same level.
Further, described lightening grooves tilt the outer width of indent for the front and back respectively along the bearing block body
Interior narrow groove, also, the radian of the lightening grooves is adapted with the radian of the bending convex tendon.
Further, described mounting groove is the structure of semicircle shape, is set respectively at the opening both ends of the semicircle shape mounting groove
The contiguous block that its oriented outside edge is stretched and is connected with the column.
Further, described keyway is radially inside opening up from the outer end of the contiguous block towards the mounting groove
Square groove.
Further, described mounting groove, bending convex tendon, lightening grooves, keyway, column and horizontal drawing device and described axle
The structure that bearing body is formed in one.
Beneficial effect
The utility model compared with prior art, has the following advantages that：
1st, the utility model is simple in construction, anti-using horizontal drawing bolt by setting up horizontal drawing device in the side of fastening bolt
Fixing bolt is held out against to limit fastening bolt rotation, so as to reach the purpose for preventing that fastening bolt from loosening, improves main bearing seat company
The stability and reliability connect, solves the problems, such as that main bearing seat easily loosens；
2nd, the utility model is easy to make, by setting up keyway in bearing mounting groove medial surface, is easy to bearing to install same
When, the stability of bearing installation is also improved, bearing's looseness is effectively prevented, improves the efficiency of spindle drive；
3rd, the utility model is compact-sized, by setting up bending convex tendon and lightening grooves on bearing block body, not only reduces
The weight of bearing block itself, is easily installed fixation, also reduces the stress concentration of bearing block itself, extend making for bearing block
With the life-span, use and the maintenance cost of user are reduced.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model is applied on engine；
Fig. 2 is front view structure enlarged diagram of the present utility model；
Fig. 3 looks up structure enlargement diagram to be of the present utility model；
Fig. 4 is the cross-sectional view of A-A in Fig. 2；
Fig. 5 is stereochemical structure enlarged diagram of the present utility model.
Wherein：1- cylinder block, 2- bearing blocks body, 3- mounting grooves, 4- bendings convex tendon, 5- lightening grooves, 6- keyways, 7- fastenings
Bolt, 8- columns, 9- connecting platforms, 10- screwed holes, 11- mounting seats, 12- are horizontal to draw screw, 13- contiguous blocks.
Embodiment
Specific embodiment in below in conjunction with the accompanying drawings is described further to the utility model.
Refering to Fig. 1-5, a kind of engine base bearing stand structure of the present utility model, including be connected with engine cylinder block 1
Bearing block body 2, the mounting groove 3 that is adapted with bearing is provided with one end of the bearing block body 2, in bearing block body 2
The other end is provided with the arc bending convex tendon 4 of outwardly convex, i.e. one end of bearing block body 2 is an arcwall face, in bearing block body 2
Middle part be provided with lightening grooves 5 in fan-shaped arrangement, the lightening grooves 5 are arranged in pairs, respectively positioned at the front of bearing block body 2 and anti-
Face, be additionally provided with one end of the inner side of mounting groove 3 when installing bearing, first can be put into mounting groove by the keyway 6 of bearing locking by bearing
In 3, then flat key is knocked in keyway 6, makes to form interference fit between flat key and bearing block, bearing, so as to reach fastener shaft
The purpose held；The column 8 of the hollow structure for connecting fastening bolt 7, fastening bolt are equipped with the both sides of bearing block body 2
7 are connected through column 8 with cylinder block 1, and the horizontal stroke for preventing fastening bolt 7 from loosening of outwardly convex is additionally provided with the middle part of column 8
Drawing device.The utility model is simple in construction, easy to make, rationally distributed, by setting up horizontal load in the side of fastening bolt 7
Put, hold out against fixing bolt 7 using horizontal drawing bolt is counter and rotated with limiting fastening bolt 7, so as to reach the mesh for preventing that fastening bolt 7 from loosening
, main bearing seat connection stability and reliability is improved, solves the problems, such as that main bearing seat easily loosens, also by axle
Hold the medial surface of mounting groove 3 and set up keyway 6, while being easy to the bearing to install, also improve the stability of bearing installation, effectively prevent
Bearing's looseness, improve the efficiency of spindle drive；Also, by setting up bending convex tendon 4 and lightening grooves 5 on bearing block body 2,
The weight of bearing block itself is not only reduced, is easily installed fixation, the stress concentration of bearing block itself is also reduced, extends axle
The service life of bearing, effectively reduce use and the maintenance cost of user.
In the above embodiments, the horizontally disposed connection for installing other parts is provided with the middle part of bending convex tendon 4
Platform 9, when bearing block bottom needs to install other parts, the part need to be only arranged on connecting platform 9 and can be achieved two
Steady linking between individual part, a screwed hole 10 is additionally provided with the connecting platform 9, can be fixed by screw needs to install
Part, also, when it is artificial be not easy to directly operate bearing block when, usable stay bolt is tightened on the screwed hole 10, i.e.,
Can bronze drum operation stay bolt reach the purpose of moving shaft holder.
In the present embodiment, horizontal drawing device include cylindrical mounting seat 11 integrally formed with column 8 and with the mounting seat 11
Horizontal drawing screw 12 that is coaxially arranged and being adapted with horizontal drawing bolt, wherein, the horizontal intracavity inter-connection for drawing screw 12 and column 8,
When bearing block is installed, first bearing block through the inner chamber of column 8 and is pressed on engine cylinder block 1 by fastening bolt 7, then
Horizontal drawing bolt is instead pushed up to the outer surface for acting on fastening bolt 7 through horizontal drawing screw 12, prevents fastening bolt 7 from rotating, you can
Realization prevents turbine being utilized.
Specifically, mounting seat 11 and column 8 are perpendicular, it is easy to the installation of horizontal drawing bolt and strengthens horizontal drawing bolt to fastening spiral shell
The anti-top active force of bolt 7, also, mounting seat 11, horizontal drawing screw 12 are located in same level with lightening grooves 5, make horizontal drawing bolt
The anti-top active force and lightening grooves 5 of fastening bolt 7 are located in same level, so as to weaken stress concentration, effective extending shaft
The service life of bearing.
Lightening grooves 5 tilt the groove wide outside and narrow inside of indent for the front and back respectively along bearing block body 2, are easy to make
While making the demoulding, scratch hand when can also avoid operating, also, the radian of lightening grooves 5 is adapted with bending the radian of convex tendon 4,
I.e. the arc convex direction of lightening grooves 5 is consistent with the arc convex direction for bending convex tendon 4, plays and improves bearing block rigid
Effect.
Mounting groove 3 is the structure of semicircle shape, and forming circular bearing with the semicircle shape groove on engine cylinder block 1 installs
Hole, the contiguous block 13 stretched and be connected with column 8 to edge on the outside of it is respectively equipped with the opening both ends of the semicircle shape mounting groove 3, just
Connected in the installation of fastening bolt 7, wherein, keyway 6 is radially inside opening up from the outer end of contiguous block 13 towards mounting groove 3
Square groove, is easy to effect of the flat key to bearing and bearing block, and the installation for also helping flat key is fixed.
Preferably, mounting groove 3, bending convex tendon 4, lightening grooves 5, keyway 6, column 8 and horizontal drawing device and bearing block body 2
The structure being formed in one, while being easy to make, the rigid of bearing block is also improved, effectively extends making for bearing block
Use the life-span.
Above-described is only preferred embodiment of the present utility model, it should be pointed out that is come for those skilled in the art
Say, on the premise of the utility model structure is not departed from, several modifications and improvements can also be made, these are all without this reality of influence
With the effect and practical applicability of new implementation.
Claims (8)
1. a kind of engine base bearing stand structure, including the bearing block body (2) being connected with engine cylinder block (1), the axle
One end of bearing body (2) is provided with the mounting groove (3) that is adapted with bearing, it is characterised in that the bearing block body (2) it is another
One end is provided with the arc bending convex tendon (4) of outwardly convex, and the loss of weight in fan-shaped arrangement is provided with the middle part of described bearing block body (2)
Groove (5), one end on the inside of the mounting groove (3) is additionally provided with can be by the keyway (6) of bearing locking；The bearing block body (2)
Both sides are equipped with the column (8) of the hollow structure for connecting fastening bolt (7), are additionally provided with outwards in the middle part of the column (8)
The raised horizontal drawing device for preventing fastening bolt (7) loosening.
2. a kind of engine base bearing stand structure according to claim 1, it is characterised in that the bending convex tendon (4)
Middle part is provided with the horizontally disposed connecting platform (9) for installing other parts, and a screwed hole is provided with the connecting platform (9)
(10)。
3. a kind of engine base bearing stand structure according to claim 1, it is characterised in that described horizontal drawing device includes
With the described integrally formed cylindrical mounting seat (11) of column (8) and it is coaxially arranged with the mounting seat (11) and with horizontal drawing bolt
The horizontal drawing screw (12) being adapted, described horizontal drawing screw (12) and the intracavity inter-connection of the column (8).
A kind of 4. engine base bearing stand structure according to claim 3, it is characterised in that described mounting seat (11) with
The perpendicular also, described mounting seat (11) of described column (8), horizontal drawing screw (12) are with described lightening grooves (5) positioned at same
On one horizontal plane.
5. a kind of engine base bearing stand structure according to claim 1, it is characterised in that described lightening grooves (5) are
Respectively the groove wide outside and narrow inside of indent, also, the lightening grooves are tilted along the front and back of the bearing block body (2)
(5) radian is adapted with the radian of the bending convex tendon (4).
6. a kind of engine base bearing stand structure according to claim 1, it is characterised in that described mounting groove (3) is
The structure of semicircle shape, be respectively equipped with the opening both ends of the semicircle shape mounting groove (3) to its outside along stretch and with the column (8)
Connected contiguous block (13).
7. a kind of engine base bearing stand structure according to claim 6, it is characterised in that described keyway (6) is certainly
The square groove that radially inside opens up of the outer end of the contiguous block (13) towards the mounting groove (3).
8. a kind of engine base bearing stand structure according to any one in claim 1-7, it is characterised in that described
Mounting groove (3), bending convex tendon (4), lightening grooves (5), keyway (6), column (8) and horizontal drawing device and described bearing block body
(2) structure being formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720525758.6U CN206770427U (en) | 2017-05-12 | 2017-05-12 | A kind of engine base bearing stand structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720525758.6U CN206770427U (en) | 2017-05-12 | 2017-05-12 | A kind of engine base bearing stand structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206770427U true CN206770427U (en) | 2017-12-19 |
Family
ID=60650035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720525758.6U Active CN206770427U (en) | 2017-05-12 | 2017-05-12 | A kind of engine base bearing stand structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206770427U (en) |
-
2017
- 2017-05-12 CN CN201720525758.6U patent/CN206770427U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230117 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right |