CN108825756A - A kind of split type rear power takeoff body structure - Google Patents
A kind of split type rear power takeoff body structure Download PDFInfo
- Publication number
- CN108825756A CN108825756A CN201811028566.XA CN201811028566A CN108825756A CN 108825756 A CN108825756 A CN 108825756A CN 201811028566 A CN201811028566 A CN 201811028566A CN 108825756 A CN108825756 A CN 108825756A
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- CN
- China
- Prior art keywords
- gear
- split type
- bell housing
- box
- sealing flange
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of split type rear power takeoff body structures, gear-box and bell housing including split type setting, crank teeth engineer room and output gear chamber are respectively equipped on the gear-box, the crank teeth engineer room is the cavity of all round closure, it is connected between the output gear chamber and the crank teeth engineer room, the crank teeth engineer room side is equipped with the first sealing flange, accordingly, the bell housing side is equipped with the second sealing flange being tightly connected with first sealing flange, first sealing flange is equipped with the installing port for installing idle gear.The configuration of the present invention is simple, consumptive material are few, casting difficulty is small, high yield rate, facilitate idle gear assembly detection, are avoided that because the change of bell housing interface needs to make a whole set of mold again.
Description
Technical field
The present invention relates to bell housing cabinet technical fields, more specifically, it relates to a kind of split type rear power takeoff cabinet
Structure.
Background technique
Power taking bell housing body structure A is general as shown in Figure 1, being monoblock type body structure after tradition.Idle gear B need from
Side is put into installation in gear-box, and special bolt and sealed bolster plate is cooperated to install from outside, prevents oil leak.
Monoblock type body structure has the disadvantage that：1, complicated integral structure, consumptive material is more, and casting difficulty is big, high rejection rate；2,
Idle gear installation space is small, and assembly detection is inconvenient, it is also necessary to use special bolt and sealed bolster plate；If 3, bell housing interface changes
Become, needs to do a whole set of mold again, it is at high cost.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to the above-mentioned deficiency of the prior art, the present invention provides a kind of structure letter
List, consumptive material are few, casting difficulty is small, high yield rate, facilitate idle gear assembly detection, avoid changing needs again because of bell housing interface
Do the split type rear power takeoff body structure of a whole set of mold.
The technical scheme is that such：A kind of split type rear power takeoff body structure, including split type setting
Gear-box and bell housing are respectively equipped with crank teeth engineer room and output gear chamber, the crank teeth engineer room on the gear-box
It for the cavity of all round closure, is connected between the output gear chamber and the crank teeth engineer room, the crank teeth engineer room
Side is equipped with the first sealing flange, is tightly connected correspondingly, the bell housing side is equipped with first sealing flange
Second sealing flange, first sealing flange are equipped with the installing port for installing idle gear.
As a further improvement, the center of gravity line of the gear-box is overlapped with the center of gravity line of the bell housing.
Further, multiple first connection lugs, multiple first positioning pins are respectively equipped on first sealing flange
Hole, correspondingly, being respectively equipped on second sealing flange opposite with the first connection lug, the first dowel hole position
The second the connection lug, the second dowel hole answered.
Further, the output gear chamber side is equipped with output shaft hole, the crank teeth engineer room other side difference
Equipped with idle gear mounting base, the first crankshaft hole, the output shaft hole, idle gear mounting base, the first crankshaft hole center be respectively positioned on
On the center of gravity line of the gear-box.
Further, second sealing flange is equipped with and the bell housing inner cavity is isolated with the crank teeth engineer room
Baffle, the baffle be equipped with the second crankshaft hole.
Further, the first connection lug, the second connection lug periphery are equipped with reinforcing rib structure.
Beneficial effect
Compared with prior art, the present invention have the advantage that for：
1, by split type setting gear-box and bell housing, gear-box and bell housing are close by the first sealing flange and second
Envelope flange closely connects the rear power taking bell housing cabinet of substitution monoblock type, and side need to be opened up in gear-box by, which avoiding, is open, gear
Case and flywheel shell structure are simple, consumptive material is few, casting difficulty is small, high yield rate, and the size of installing port is big, to crankshaft toothed wheel, lazy tooth
The installation of wheel, installation bolt, which tightens, enough operating spaces, and adjustment is facilitated to operate, moreover it is possible to it is convenient for measuring sideshake between gear,
When bell housing interface needs to change, it is only necessary to design new bell housing mold, gear-box does not have to change, avoids connecing because of bell housing
Mouth, which changes, to be needed to make a whole set of mold again, is reduced costs, meanwhile, split type gear-box and bell housing can be convenient in right
The assembly of complete machine improves production efficiency；
2, the center of gravity line of gear-box is overlapped with the center of gravity line of bell housing, design rationally, can simplify inner part installation and
Adjustment detection, also can simplify the processing program of gear-box and bell housing, be conducive to improve machining accuracy；
3, output shaft hole, idle gear mounting base, the first crankshaft hole center be respectively positioned on the center of gravity line of gear-box, arrangement close
Reason, can be convenient installation idle gear, gear-box compact overall structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional technology；
Fig. 2 is decomposition texture schematic diagram of the invention；
Fig. 3 is schematic perspective view of the invention；
Fig. 4 is the schematic view of the front view of middle gear case of the present invention；
Fig. 5 is the schematic view of the front view of bell housing in the present invention；
Fig. 6 is the structural schematic diagram that middle gear case of the present invention installs idle gear.
Wherein：1- gear-box, 2- bell housing, 3- crank teeth engineer room, 4- output gear chamber, the first sealing flange of 5-, 6-
Two sealing flanges, 7- idle gear, 8- installing port, the connection of 9- first lug, the first dowel hole of 10-, the connection of 11- second lug,
The second dowel hole of 12-, 13- output shaft hole, 14- idle gear mounting base, 15- crankshaft installed hole, 16- baffle, the second crankshaft of 17-
Hole.
Specific embodiment
The present invention is described further for specific embodiment in reference to the accompanying drawing.
Refering to fig. 1-6, a kind of split type rear power takeoff body structure, gear-box 1 and bell housing including split type setting
2, crank teeth engineer room 3 and output gear chamber 4 are respectively equipped on gear-box 1, output gear chamber 4 is located at 3 top of crank teeth engineer room, bent
Shaft gear room 3 is the cavity of all round closure, is connected between output gear chamber 4 and crank teeth engineer room 3,3 side of crank teeth engineer room is set
There is the first sealing flange 5, correspondingly, 2 side of bell housing is equipped with the second sealing flange 6 being tightly connected with the first sealing flange 5,
First sealing flange 5 is equipped with the installing port 8 for installing idle gear 7, and the size of installing port 8 is greater than installation idle gear 7 most
The size of large scale, installing port 8 is big, has enough operations empty crankshaft toothed wheel, idle gear 7, the installation make-up for installing bolt
Between, facilitate adjustment to operate, moreover it is possible to be convenient for measuring sideshake between gear；The center of gravity line of gear-box 1 is overlapped with the center of gravity line of bell housing 2,
That is for the center of gravity line of the center of gravity line of gear-box 1 and bell housing 2 on same perpendicular, design rationally, can simplify inner part
Installation and adjustment detection, also can simplify the processing program of gear-box and bell housing, be conducive to improve machining accuracy；First sealing
Multiple first connection lugs 9, multiple first dowel holes 10, the first connection lug 9 and the first positioning pin are respectively equipped on flange 5
Hole 10 is arranged symmetrically on the first sealing flange 5, connect lug with first correspondingly, being respectively equipped on the second sealing flange 6
9,10 position of the first dowel hole corresponding second connection lug 11, the second dowel hole 12, the first connection being arranged symmetrically
Lug 9, second, which connects lug 10, can make stress equalization between gear-box 1 and bell housing 2, improve locking stability；By dividing
Gear-box 1 and bell housing 2 is arranged in body formula, and gear-box 1 and bell housing 2 are close by the first sealing flange 5 and the second sealing flange 6
The rear power taking bell housing cabinet of connection substitution monoblock type, side need to be opened up in gear-box 1 by, which avoiding, is open, gear-box 1 and flywheel
2 structure of shell is simple, consumptive material is few, casting difficulty is small, high yield rate, when 2 interface of bell housing needs to change, it is only necessary to design new
2 mold of bell housing, gear-box 1 do not have to change, avoid needing to make a whole set of mold again because 2 interface of bell housing changes, reduce
Cost, meanwhile, split type gear-box 1 and bell housing 2 can be convenient in the assembly to complete machine, improve production efficiency.
4 side of output gear chamber is equipped with output shaft hole 13, and 3 other side of crank teeth engineer room is respectively equipped with idle gear mounting base
14, the first crankshaft hole 15, output shaft hole 13, idle gear mounting base 14, the first crankshaft hole 15 center be respectively positioned on the weight of gear-box 1
On heart line, connection and reasonable arrangement can be convenient installation idle gear 7,1 compact overall structure of gear-box；Second sealing flange 6 is equipped with will
The baffle 16 that 2 inner cavity of bell housing is isolated with crank teeth engineer room 3, baffle 16 are equipped with the second crankshaft hole 17, the second crankshaft hole 17 with
It is coaxially arranged between first crankshaft hole 15；It is equipped with gasket between first sealing flange 5 and the second sealing flange 6, can play
Sealing and function of shock insulation.
First connection lug 9, second connects 11 periphery of lug and is equipped with reinforcing rib structure, can effectively improve each connection and takes
The working strength of son improves the stability that gear-box 1 and bell housing 2 connect.
What has been described above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art,
Without departing from the structure of the invention, several modifications and improvements can also be made, these all will not influence implementation of the present invention
Effect and patent practicability.
Claims (6)
1. a kind of split type rear power takeoff body structure, it is characterised in that：Gear-box (1) and bell housing including split type setting
(2), crank teeth engineer room (3) and output gear chamber (4), the crank teeth engineer room (3) are respectively equipped on the gear-box (1)
For the cavity of all round closure, it is connected between the output gear chamber (4) and the crank teeth engineer room (3), the crankshaft
Gear chamber (3) side is equipped with the first sealing flange (5), correspondingly, bell housing (2) side is equipped with and first sealing
The second sealing flange (6) that flange (5) is tightly connected, first sealing flange (5) are equipped with for installing idle gear (7)
Installing port (8).
2. a kind of split type rear power takeoff body structure according to claim 1, it is characterised in that：The gear-box (1)
Center of gravity line be overlapped with the center of gravity line of the bell housing (2).
3. a kind of split type rear power takeoff body structure according to claim 1, it is characterised in that：First sealing
Multiple first connections lug (9), multiple first dowel holes (10) are respectively equipped on flange (5), correspondingly, described second is close
It is respectively equipped in envelope flange (6) and is connected with first connection lug (9), the first dowel hole (10) position corresponding second
Lug (11), the second dowel hole (12).
4. a kind of split type rear power takeoff body structure according to claim 1, it is characterised in that：The output gear
Room (4) side be equipped with output shaft hole (13), described crank teeth engineer room (3) other side be respectively equipped with idle gear mounting base (14),
First crankshaft hole (15), the output shaft hole (13), idle gear mounting base (14), the first crankshaft hole (15) center be respectively positioned on institute
On the center of gravity line for stating gear-box (1).
5. a kind of split type rear power takeoff body structure according to claim 1, it is characterised in that：Second sealing
Flange (6) is equipped with the baffle (16) that the bell housing (2) inner cavity is isolated with the crank teeth engineer room (3), the baffle
(16) the second crankshaft hole (17) are equipped with.
6. a kind of split type rear power takeoff body structure described in -5 any one according to claim 1, it is characterised in that：It is described
First connection lug (9), second connection lug (11) periphery be equipped with reinforcing rib structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028566.XA CN108825756A (en) | 2018-09-05 | 2018-09-05 | A kind of split type rear power takeoff body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028566.XA CN108825756A (en) | 2018-09-05 | 2018-09-05 | A kind of split type rear power takeoff body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825756A true CN108825756A (en) | 2018-11-16 |
Family
ID=64151133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811028566.XA Pending CN108825756A (en) | 2018-09-05 | 2018-09-05 | A kind of split type rear power takeoff body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825756A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030168048A1 (en) * | 2002-03-06 | 2003-09-11 | Hino Motors Ltd. | Fuel pump drive system |
| CN201321893Y (en) * | 2008-12-25 | 2009-10-07 | 东风汽车公司 | Power take-off for rear gear chamber engine |
| CN201351530Y (en) * | 2008-12-24 | 2009-11-25 | 天津雷沃动力股份有限公司 | Power output structure of engine |
| CN201568532U (en) * | 2009-12-15 | 2010-09-01 | 东风汽车公司 | Power takeoff of engine for heavy-duty special vehicle |
| CN201566492U (en) * | 2009-12-15 | 2010-09-01 | 东风汽车公司 | Split power takeoff of high-power engine |
| DE102011003324A1 (en) * | 2011-01-28 | 2012-08-02 | Zf Friedrichshafen Ag | Flange connection for use between gear housing and motor flywheel housing of gear box of motor car, has axial projection and axial recess allowing positive transmission of rotational torques from motor flywheel housing to gear housing |
| CN205244309U (en) * | 2015-11-17 | 2016-05-18 | 杭州前进齿轮箱集团股份有限公司 | Tractor is with split type power shift gearbox |
-
2018
- 2018-09-05 CN CN201811028566.XA patent/CN108825756A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030168048A1 (en) * | 2002-03-06 | 2003-09-11 | Hino Motors Ltd. | Fuel pump drive system |
| CN201351530Y (en) * | 2008-12-24 | 2009-11-25 | 天津雷沃动力股份有限公司 | Power output structure of engine |
| CN201321893Y (en) * | 2008-12-25 | 2009-10-07 | 东风汽车公司 | Power take-off for rear gear chamber engine |
| CN201568532U (en) * | 2009-12-15 | 2010-09-01 | 东风汽车公司 | Power takeoff of engine for heavy-duty special vehicle |
| CN201566492U (en) * | 2009-12-15 | 2010-09-01 | 东风汽车公司 | Split power takeoff of high-power engine |
| DE102011003324A1 (en) * | 2011-01-28 | 2012-08-02 | Zf Friedrichshafen Ag | Flange connection for use between gear housing and motor flywheel housing of gear box of motor car, has axial projection and axial recess allowing positive transmission of rotational torques from motor flywheel housing to gear housing |
| CN205244309U (en) * | 2015-11-17 | 2016-05-18 | 杭州前进齿轮箱集团股份有限公司 | Tractor is with split type power shift gearbox |
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