CN205639466U - Diesel engine flywheel connection structure - Google Patents
Diesel engine flywheel connection structure Download PDFInfo
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- CN205639466U CN205639466U CN201620321549.5U CN201620321549U CN205639466U CN 205639466 U CN205639466 U CN 205639466U CN 201620321549 U CN201620321549 U CN 201620321549U CN 205639466 U CN205639466 U CN 205639466U
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Abstract
The utility model discloses a diesel engine flywheel connection structure, including the organism of engine, install the bearing frame in organism one end, be arranged in the bent axle that organism and one end are stretched out from the bearing frame, the flywheel is installed to the stretching out to serve of bent axle, the outer tip of bearing frame is equipped with annular oil blanket and thrust plane, is equipped with the connection pad between flywheel and the bent axle, the outer peripheral face of connection pad and the contact of the inner peripheral surface sliding seal of annular oil blanket, the connection pad relatively in terminal surface and thrust plane's outer terminal surface sliding seal contact, be equipped with the axial fixity device that prevents flywheel and connection pad edge bent axle axial displacement between flywheel, connection pad and the bent axle and follow the radial fixing device of bent axle axis pivoted. Thereby outer peripheral face and the interior terminal surface of this diesel engine flywheel connection structure through the finish machining connection pad reaches respectively the structure with the inner peripheral surface of annular oil blanket and thrust plane's outer terminal surface sliding seal contact, and this structure can play sealed effect to the corresponding tip of organism to the installation tip that does not need the finish machining flywheel.
Description
Technical field
This utility model relates to a kind of diesel engine flywheel attachment structure.
Background technology
Flywheel in diesel engine is the disk that a rotary inertia is the biggest, its Main Function is to store the energy in electromotor expansion stroke and inertia, in order to overcome resistance in other strokes, brace and connecting rod framework is driven to cross upper and lower stop, ensure the angular velocity of rotation of bent axle and make output torque uniform as far as possible, and electromotor can be made to overcome the over burdening of short time.The structure of flywheel mainly includes flywheel body and is arranged on flywheel body one middle side part and in cylindrical mounting end, and this mounting end is provided with the centre bore for connecting bent axle.
Flywheel current is commonly in the following manner with the mounting structure of bent axle: first one end of bent axle is stretched out from body one end of electromotor, on corresponding body, the bearing block supporting bent axle external part is installed, the outer end of bearing block is provided with thrust plate and annular oil seal, this flywheel is arranged on the external part of bent axle, and the outer peripheral face of the mounting end of flywheel contacts with the inner peripheral surface slipper seal of annular oil seal, the end face of the mounting end of flywheel contacts with the outer face slipper seal of thrust plate；This thrust plate is the one of Bearing in Internal Combustion Engine, mainly plays a part Crankshaft to support, while guarantee crank rotation, prevention bent axle axial float.The shortcoming of above-mentioned flywheel structure is, the inner peripheral surface slipper seal of outer peripheral face with annular oil seal in order to ensure the mounting end of flywheel contacts, the inner face of flywheel contacts with the outer face slipper seal of thrust plate, thus the respective end of body is played sealing function, therefore the outer peripheral face of the mounting end of flywheel and inner face are required to polish process thus ensure surface roughness, therefore improve overall processing difficulty and the production cost of flywheel；Making further, since flywheel is commonly casting pig material, therefore the end face of the mounting end of flywheel causes surface roughness high due to the existence of graphite flake, is easily generated friction with thrust plate outer face and causes abrasion, thus is difficult to produce between oil film.
In view of the foregoing, it is therefore desirable to design a kind of mounting structure improving flywheel and bent axle, thus difficulty of processing and the processing cost of flywheel can be reduced, fully can contact with the inner peripheral surface of annular oil seal and the outer face slipper seal of thrust plate again thus the respective end of body is played the mounting structure of sealing function.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, easy for installation, can reduce difficulty of processing and the processing cost of flywheel, and fully can contact with the inner peripheral surface of annular oil seal and the outer face slipper seal of thrust plate again thus the respective end of body is played the diesel engine flywheel mounting structure of sealing function.
For solving above-mentioned technical problem, this utility model includes the body of electromotor, it is arranged on the bearing block of body one end, it is positioned in body and bent axle that one end is stretched out from bearing block, on the external part of bent axle, flywheel is installed, the outer end of bearing block is provided with annular oil seal and thrust plate, it is characterized in that: be provided with between described flywheel and bent axle and be connected dish, the outer peripheral face of described connection dish contacts with the inner peripheral surface slipper seal of annular oil seal, and the opposing inner end face of described connection dish contacts with the outer face slipper seal of thrust plate；It is provided with between described flywheel, connection dish and bent axle and prevents flywheel and be connected the axial securing means for impeller that dish moves axially along bent axle and the radial fixing device rotated along crankshaft center line.
After using said structure, when flywheel is arranged on the external part of bent axle, it is connected dish by installing between flywheel with bent axle, the outer peripheral face utilizing connection dish contacts with the inner peripheral surface of annular oil seal and the outer face slipper seal of thrust plate respectively with inner face, thus the respective end of body is played sealing function, now, the mounting end outer face of flywheel and outer peripheral face are made without polish, certainly also can omit the mounting end in cylinder of flywheel, therefore can directly reduce difficulty of processing and the processing cost of flywheel.
In order to realize flywheel and connection dish axial restraint on bent axle, described axial securing means for impeller include multiple annular be distributed on connection dish and axially through mounting hole, on the end face of the mounting end of described flywheel, annular is evenly equipped with multiple installing hole corresponding with mounting hole, on the outer face of described bent axle, annular is evenly equipped with multiple screwed hole corresponding with mounting hole, and three is linked together by described flywheel, connection dish and bent axle by multiple bolts sequentially passing through installing hole, mounting hole and screwed hole.
The radial rotating on bent axle in order to avoid flywheel and connection dish, described radial fixing device include being arranged on connection dish in axially through dowel hole, the mounting end of described flywheel is provided with the kingpin bore corresponding with dowel hole, the outer face of described bent axle is provided with the secondary pin-and-hole corresponding with dowel hole, is fitted with positioning pin column in described kingpin bore, dowel hole and secondary pin-and-hole.
Flywheel and connection dish carry out installing and improving the bonding strength of three on bent axle for convenience, the outer face of described bent axle is provided with spindle nose, the described disk center that connects is provided with the main centre bore inserted for spindle nose, and the center of described flywheel is provided with the sub-center hole inserted for spindle nose.
Connection dish is installed with flywheel for convenience, and the external opposite ends face of described connection dish is provided with the mounting end for flywheel and stretches into locating slot therein.
In order to ensure the sealing between connection dish and the contact surface of bent axle, the opposing inner end face of described connection dish is provided with less than the outer face diameter of bent axle and for installing the annular mounting groove of sealing ring.
In order to have good roughness after ensureing the inner face polish of connection dish, described connection dish material uses No. 45 steel.
In sum, this utility model simple in construction, easy for installation, it is connected dish by installing between bent axle with flywheel, and the outer peripheral face of polish connection dish with inner face thus reaches the structure contacted respectively with the inner peripheral surface of annular oil seal and the outer face slipper seal of thrust plate, the respective end of body can be played sealing function by this structure, and need not the mounting end of polish flywheel thus directly reduce difficulty of processing and the processing cost of flywheel, additionally, connection dish uses No. 45 steel matter the most wear-resistant, and easy and thrust plate the outer face of its inner face produces oil film.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of prior art；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the structure for amplifying schematic diagram in the a-quadrant in Fig. 2；
Fig. 4 is connection dish structural representation in this utility model；
Fig. 5 is the sectional structure schematic diagram of line B-B along Fig. 4；
Fig. 6 is the structural representation of flywheel in this utility model；
Fig. 7 is the sectional structure schematic diagram of line C-C along Fig. 6.
Detailed description of the invention
Understand goal of the invention of the present utility model and concrete structure for convenience, first prior art is made following summary, as shown in Figure 1, the structure of current flywheel 6 mainly includes flywheel body 17 and is arranged on flywheel body 17 1 middle side part and in cylindrical mounting end, and this mounting end is provided with the centre bore for connecting bent axle 5.Flywheel 6 is commonly in the following manner with the mounting structure of bent axle 5: first one end of bent axle 5 is stretched out from body 1 one end of electromotor, on corresponding body 1, the bearing block 4 supporting bent axle 5 external part is installed, it is provided with in bearing block 4 and the bearing shell of bent axle 5 sliding contact, the outer end of bearing block 4 is provided with thrust plate 8 and annular oil seal 7, this flywheel 6 is arranged on the external part of bent axle 5, and the outer peripheral face of the mounting end of flywheel 6 contacts with the inner peripheral surface slipper seal of annular oil seal, the end face of the mounting end of flywheel 6 contacts with the outer face slipper seal of thrust plate 8；This thrust plate 8 is the one of Bearing in Internal Combustion Engine, mainly plays a part bent axle 5 and axially supports, and while ensureing that bent axle 5 rotates, stops bent axle 5 axial float.The shortcoming of above-mentioned flywheel 6 structure is, the inner peripheral surface slipper seal of outer peripheral face with annular oil seal in order to ensure the mounting end of flywheel 6 contacts, the end face of mounting end contacts with the outer face slipper seal of thrust plate 8, thus the respective end of body 1 is played sealing function, therefore the outer peripheral face of the mounting end of flywheel 6 and inner face are required to polish process thus ensure surface roughness, therefore improve overall processing difficulty and the production cost of flywheel 6；Making further, since flywheel 6 is commonly casting pig material, therefore the end face of the mounting end of flywheel 6 causes surface roughness high due to the existence of graphite flake, is easily generated friction with thrust plate 8 outer face and causes abrasion, thus is difficult to produce between oil film.
nullAs shown in Figures 2 and 3，This diesel engine flywheel attachment structure includes the body 1 of electromotor，This body 1 includes engine cylinder-body 2 and connects cylinder body 2 one end for protecting the flywheel shell 3 of flywheel 6，This flywheel shell 3 is arranged on cylinder body 2 one end by bolt，Bearing block 4 is installed on flywheel shell 3，Certainly this bearing block 4 can also be directly installed on cylinder body 2，The effect of this bearing block 4 is that supporting bent axle 5 rotates，Accordingly，Bent axle 5 one end in body 1 passed cylinder body 2 and flywheel shell 3 stretches out from bearing block 4，Flywheel 6 is installed on the external part of bent axle 5，The outer end of bearing block 4 is provided with annular oil seal 7 and thrust plate 8，This annular oil seal 7 and thrust plate 8 are prior art，It is not described in detail in this，It is provided with between this flywheel 6 with bent axle 5 and is connected dish 9，The outer peripheral face of connection dish 9 contacts with the inner peripheral surface slipper seal of annular oil seal 7，The opposing inner end face of connection dish 9 contacts with the outer face slipper seal of thrust plate 8，The opposing inner end face of this connection dish 9 is the end face near cylinder body side；Therefore the outer peripheral face that may utilize connection dish 9 contacts with the inner peripheral surface of annular oil seal 7 and the outer face slipper seal of thrust plate 8 respectively with inner face, thus the respective end of cylinder body 2 is played sealing function, now, end face and the outer peripheral face of the mounting end 18 of flywheel 6 are made without polish, certainly also can omit the mounting end 18 in cylinder of flywheel 6, therefore can directly reduce difficulty of processing and the processing cost of flywheel 6；As it is shown in fig. 7, the mounting end 18 of this flywheel 6 is in circular cone shape, its taper surface is made without polish, and its end face contacts with the outer face of connection dish 9 after only needing common process；In order to ensure the wearability of connection dish 9 inner face thus and be easily generated oil film between the outer face of thrust plate 8, therefore preferably No. 45 steel matter of connection dish 9, naturally it is also possible to select the metal material that other machinabilities are good, have good wearability and intensity.Accordingly, it is provided with between flywheel 6, connection dish 9 and bent axle 5 and prevents flywheel 6 and be connected the axial securing means for impeller that dish 9 moves axially along bent axle 5 and the radial fixing device rotated along bent axle 5 axis.
Such as Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, axial securing means for impeller include multiple annular be distributed on connection dish 9 and axially through mounting hole 10, as shown in Figure 5, this mounting hole 10 is 5, certainly its quantity is configured according to actual needs, on the end face of the mounting end 18 of flywheel 6, annular is evenly equipped with 5 installing holes 19 corresponding with mounting hole 10, on the outer face of bent axle 5, also annular is evenly equipped with 5 screwed holes corresponding with mounting hole 10, installing hole 19 is sequentially passed through afterwards by 5, flywheel 6 and connection dish 9 are arranged on the end face of bent axle 5 by the bolt of mounting hole 10 and screwed hole；Of course for convenient, flywheel 6 and connection dish 9 are arranged on the end face of bent axle 5, the end face of bent axle 5 is provided with spindle nose 13, connection dish 9 center is provided with the main centre bore 14 inserted for spindle nose 13, the center of flywheel 6 is provided with the sub-center hole 21 inserted for spindle nose 13, this spindle nose 13 preferably with sub-center hole 21 matched in clearance of the main centre bore 14 being connected dish 9 and flywheel 6.
Such as Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, radial fixing device include being arranged on connection dish 9 in axially through dowel hole 11, the mounting end 18 of flywheel 6 is provided with the kingpin bore 20 corresponding with dowel hole 11 position, the outer face of bent axle 5 is provided with the secondary pin-and-hole corresponding with dowel hole 11 position, is fitted with positioning pin column 12 in kingpin bore 20, dowel hole 11 and secondary pin-and-hole.Certainly this radial fixing device also can arrange keyway by installing flat key on spindle nose 13 in the main centre bore 14 of connection dish 9 and the sub-center hole 21 of flywheel 6, and therefore this connection dish 9 and flywheel 6 are by the bonded spindle nose 13 being installed along with bent axle 5.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the external opposite ends face of connection dish 9 is provided with the mounting end 18 for flywheel 6 and stretches into locating slot 15 therein, the external opposite ends face of this connection dish 9 is the end face away from cylinder body 2 side, as shown in Figure 3, this locating slot 15 is the taper groove consistent with mounting end 18 shape of flywheel 6, when the effect of this locating slot 15 is to facilitate connection dish 9 and flywheel 6 to install, first pass through after both are carried out pre-determined bit by locating slot 15 with positioning pin column 12, both are plug-in again；In order to ensure the sealing between both connection dish 9 and bent axle 5 contact surface, the opposing inner end face of connection dish 9 is provided with less than the outer face diameter of bent axle 5 and for installing the annular mounting groove 16 of sealing ring.
In sum, this utility model is not limited to above-mentioned detailed description of the invention.Those skilled in the art, on the premise of without departing from spirit and scope of the present utility model, can do some changes and modification.Protection domain of the present utility model should be as the criterion with claim of the present utility model.
Claims (7)
1. a diesel engine flywheel attachment structure, body (1) including electromotor, it is arranged on the bearing block (4) of body (1) one end, it is positioned in body (1) and bent axle (5) that one end is stretched out from bearing block (4), flywheel (6) is installed on the external part of bent axle (5), the outer end of bearing block (4) is provided with annular oil seal (7) and thrust plate (8), it is characterized in that: be provided with between described flywheel (6) with bent axle (5) and be connected dish (9), the outer peripheral face of described connection dish (9) contacts with the inner peripheral surface slipper seal of annular oil seal (7), the opposing inner end face of described connection dish (9) contacts with the outer face slipper seal of thrust plate (8)；It is provided with between described flywheel (6), connection dish (9) and bent axle (5) and prevents flywheel (6) and be connected the axial securing means for impeller that dish (9) moves axially along bent axle (5) and the radial fixing device rotated along bent axle (5) axis.
2. diesel engine flywheel attachment structure as claimed in claim 1, it is characterized in that: described axial securing means for impeller include multiple annular be distributed on connection dish (9) upper and axially through mounting hole (10), on the end face of the mounting end (18) of described flywheel (6), annular is evenly equipped with multiple installing hole (19) corresponding with mounting hole (10), on the outer face of described bent axle (5), annular is evenly equipped with multiple screwed hole corresponding with mounting hole (10), described flywheel (6), connection dish (9) and bent axle (5) sequentially pass through installing hole (19) by multiple, three is linked together by the bolt of mounting hole (10) and screwed hole.
3. diesel engine flywheel attachment structure as claimed in claim 1, it is characterized in that: described radial fixing device include being arranged on connection dish (9) in axially through dowel hole (11), the mounting end (18) of described flywheel (6) is provided with the kingpin bore (20) corresponding with dowel hole (11), the outer face of described bent axle (5) is provided with the secondary pin-and-hole corresponding with dowel hole (11), is fitted with positioning pin column (12) in described kingpin bore (20), dowel hole (11) and secondary pin-and-hole.
4. the diesel engine flywheel attachment structure as described in claim 1-3 is arbitrary, it is characterized in that: the outer face of described bent axle (5) is provided with spindle nose (13), described connection dish (9) center is provided with the main centre bore (14) inserted for spindle nose (13), and the center of described flywheel (6) is provided with the sub-center hole (21) inserted for spindle nose (13).
5. diesel engine flywheel attachment structure as claimed in claim 4, it is characterised in that: the external opposite ends face of described connection dish (9) is provided with the mounting end (18) for flywheel (6) and stretches into locating slot therein (15).
6. diesel engine flywheel attachment structure as claimed in claim 4, it is characterised in that: the opposing inner end face of described connection dish (9) is provided with less than the outer face diameter of bent axle (5) and for installing the annular mounting groove (16) of sealing ring.
7. diesel engine flywheel attachment structure as claimed in claim 4, it is characterised in that: described connection dish (9) material uses No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620321549.5U CN205639466U (en) | 2016-04-18 | 2016-04-18 | Diesel engine flywheel connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620321549.5U CN205639466U (en) | 2016-04-18 | 2016-04-18 | Diesel engine flywheel connection structure |
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| Publication Number | Publication Date |
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| CN205639466U true CN205639466U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620321549.5U Active CN205639466U (en) | 2016-04-18 | 2016-04-18 | Diesel engine flywheel connection structure |
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| CN (1) | CN205639466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005787A (en) * | 2019-05-06 | 2019-07-12 | 广西玉柴机器股份有限公司 | A kind of bolt matable bent axle power output precision |
| CN112033680A (en) * | 2020-08-27 | 2020-12-04 | 潍柴动力股份有限公司 | Thrust plate fault detection method and device and automobile |
-
2016
- 2016-04-18 CN CN201620321549.5U patent/CN205639466U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005787A (en) * | 2019-05-06 | 2019-07-12 | 广西玉柴机器股份有限公司 | A kind of bolt matable bent axle power output precision |
| CN110005787B (en) * | 2019-05-06 | 2024-03-26 | 广西玉柴机器股份有限公司 | Bolt-up formula bent axle power take off subassembly |
| CN112033680A (en) * | 2020-08-27 | 2020-12-04 | 潍柴动力股份有限公司 | Thrust plate fault detection method and device and automobile |
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