CN208220895U - A kind of oil pump for engine power takeoff - Google Patents
A kind of oil pump for engine power takeoff Download PDFInfo
- Publication number
- CN208220895U CN208220895U CN201820634174.7U CN201820634174U CN208220895U CN 208220895 U CN208220895 U CN 208220895U CN 201820634174 U CN201820634174 U CN 201820634174U CN 208220895 U CN208220895 U CN 208220895U
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- Prior art keywords
- hole
- oil pump
- piece
- bracket
- power takeoff
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Abstract
A kind of oil pump for engine power takeoff, including engine, power takeoff, power taking transmission parts, bracket, oil pump, power takeoff is installed on the engine, successively anterior-posterior horizontal is arranged for power takeoff, power taking transmission parts, oil pump, power takeoff is equipped with the horizontal output shaft extended back, and oil pump is equipped with the input shaft of horizontal extension, and the axis direction of power taking transmission parts is front and back trend, the power taking transmission parts use shaft coupling, and the front side of shaft coupling and the rear end of output shaft connect；Bracket is arranged horizontally, front side is open, the closed cylinder of rear side, the rear side of bracket is equipped with the axis hole for passing through and penetrating through for input shaft, after the front side of bracket is connect with power takeoff, bracket covers output shaft, shaft coupling, after oil pump is mounted on the rear side of bracket, input shaft passes through axis hole and connect with the rear side of shaft coupling；Output shaft, shaft coupling, input shaft coaxial line.Present apparatus length is short, occupies little space.
Description
Technical field
The utility model relates to a kind of oil pump for engine power takeoffs.
Background technique
The general of existing power takeoff is made of engine, power takeoff, power taking transmission shaft, oil pump and oil pump bracket,
Its principle is: power takeoff gear obtains power by engaging with engine internal gear, and power is transferred to oil pump through power taking transmission shaft,
Power is provided for oil pump operating；Oil pump is fixed on vehicle frame by oil pump bracket, and power taking transmission shaft is cardan drive dress
It sets and free-sliding spline.
The disadvantage is that: 1, power taking transmission shaft because have universal driving device and free-sliding spline, length dimension longer, occupies
Length space it is very big, the general complete machine space of engineering machinery is compact, and other components are difficult to arrange.2, power taking transmission shaft needs
Periodic maintenance, universal joint, free-sliding spline part need regular grease up, if maintenance time is improper, power taking transmission shaft is easily produced
The failures such as raw burn erosion, abnormal sound or earlier period damage.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of length, and engine oil that is short, occupying little space pumps
Power device.
In order to solve the above technical problems, the utility model provides a kind of oil pump for engine power takeoff, including engine,
Power takeoff, power taking transmission parts, bracket, oil pump, power takeoff install on the engine, power takeoff, power taking transmission parts, oil pump according to
Secondary anterior-posterior horizontal arrangement, power takeoff are equipped with the horizontal output shaft extended back, and oil pump is equipped with the input shaft of horizontal extension, and power taking passes
The axis direction of dynamic component is front and back trend；
The power taking transmission parts use shaft coupling, and the front side of shaft coupling and the rear end of output shaft connect；
Bracket is arranged horizontally, front side is open, the closed cylinder of rear side, the rear side of bracket be equipped with passed through for input shaft and
The axis hole of perforation, after the front side of bracket is connect with power takeoff, bracket covers output shaft, shaft coupling, and oil pump is mounted on bracket
After rear side, input shaft passes through axis hole and connect with the rear side of shaft coupling；
Output shaft, shaft coupling, input shaft coaxial line.
For the sake of simple declaration problem, below referred to as to a kind of oil pump for engine power takeoff described in the utility model
For the present apparatus.
The advantages of present apparatus: bracket covers output shaft, shaft coupling in the present apparatus, compares original power taking transmission shaft, this
Device length substantially shortens, and occupied space is smaller.
To reach the better using effect of the present apparatus, preferred embodiment is as follows:
Preferably, the input shaft is equipped with flat key；
Shaft coupling includes inside and outside coaxial socket, first piece and second piece of annular, first piece, second piece of front side it is equal
Together, first piece of rear side exceeds second piece of rear side, and first piece of material is metal material, and second piece of material is flexible non-gold
Belong to material；
Keyway compatible with flat key is equipped in first piece；
Several first through hole of perforation are evenly distributed on second piece, the axis direction of each first through hole is second piece
Radial direction, first piece in position correspond to each first through hole at be equipped with the first screw thread communicated corresponding with the first through hole
Blind hole, corresponding first through hole on position, equal one the first bolt of spinning in the first tapped blind hole；
The rear end of output shaft is equipped with flange, is evenly distributed at least three second tapped blind holes on rear side of flange；
Second piece corresponds at each second tapped blind hole in position along axial corresponding perforation equipped with one second
Through-hole；
First through hole, the second through-hole are in state spaced apart from each other；
Input shaft is put in keyway through axis hole and first piece of grafting, flat key, corresponding second through-hole, the second spiral shell on position
Equal one the second bolt of spinning, bracket cover output shaft, flange, shaft coupling in line blind hole.
Shaft coupling length in this way is shorter, so that occupied space further decreases, and since second piece using flexible non-gold
Belong to material, the oil pump input shaft due to caused by engine luggine in the foozle or the course of work of oil pump bracket can be compensated
Axial direction, radial missing with power takeoff output shaft.
Preferably, first piece of the rear portion correspond at keyway in position be radially equipped with communicated with keyway and
Band internal thread pin hole, the pin shaft that spinning and flat key are in close contact in pin hole.
Pin shaft can make input shaft inserting more stable.
Preferably, first bolt is interior hexagonal dormant bolt；
It is outer for setting side of second piece of the side radially adjacent to its axis in, far from its axis；
The quantity of first through hole is four, first through hole is stepped hole, and first through hole is by inside and outside coaxial communication, increasing diameter
First hole and the second hole are constituted；
For first through hole corresponding on position, the first tapped blind hole and corresponding first bolt, first spiral shell
The screw terminal of bolt is located in the second hole, the end of thread screws in the first tapped blind hole.
By first through hole, the first tapped blind hole and corresponding first bolt, so that will not be sent out between first piece, second piece
Raw relative motion, structure are more stable.
Preferably, second bolt is interior hexagonal dormant bolt；
The quantity of second through-hole is four, and the second through-hole is stepped hole, and the second through-hole is by front and back coaxial communication, increasing diameter
Third hole and the 4th hole are constituted；
For the second through-hole corresponding on position, the second tapped blind hole and corresponding second bolt, second spiral shell
The screw terminal of bolt is located in the 4th hole, the end of thread screws in the second tapped blind hole.
By the second through-hole, the second tapped blind hole and corresponding second bolt, so that the connection of shaft coupling and flange is more
It is convenient.
Preferably, the front side of the bracket is equipped with the mounting plate arranged vertically, the normal direction of mounting plate is front and back
Direction, the front side of mounting plate and the front side flush of bracket are set on mounting plate there are four the third through-hole of perforation, square arrangement,
Power takeoff, which corresponds in position at four third through-holes, to be set correspondingly respectively there are four third tapped blind hole, phase on position
One third bolt of equal spinning in corresponding third through-hole, third tapped blind hole.
Mounting plate facilitates the connection between bracket and power takeoff.
Preferably, the rear side of the bracket, which is equipped with, is symmetrical with axis hole, horizontally disposed two tapped through holes, oil pump
Front side is set there are two the otic placode for being symmetrical with its axis, arranging vertically, and two otic placodes distinguish one with two tapped through holes in position
One is corresponding, and the normal direction of otic placode is front-rear direction, the front side of otic placode and the front side flush of oil pump, is provided on each otic placode
One U-lag, corresponding U-lag on position, equal one the 4th bolt of spinning in tapped through hole.
Corresponding U-lag, tapped through hole, the 4th bolt facilitate the connection of oil pump and bracket, and U-lag is convenient for adjusting bolt
Installation site, and be convenient for bolt disassembly.
Preferably, the circumferential direction of the bracket is provided with several fourth holes.
Fourth hole plays the role of facilitating observation and heat dissipation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present apparatus (engine is not shown).
Fig. 2 is the main view of the present apparatus.
Fig. 3 is the enlarged structure schematic diagram of the bracket of the present apparatus.
Fig. 4 is the enlarged structure schematic diagram of the shaft coupling of the present apparatus.
Fig. 5 is the axial cutaway view Amplified image of the shaft coupling of the present apparatus.
Fig. 6 is the radial cutaway view Amplified image of the shaft coupling of the present apparatus.
Specific embodiment
Referring to Fig. 1-Fig. 6, the present apparatus includes engine 1, power takeoff 2, shaft coupling 3, bracket 4, oil pump 5, and power takeoff 2 is installed
On engine 1, successively anterior-posterior horizontal is arranged for power takeoff 2, shaft coupling 3, oil pump 5, and power takeoff 2 is equipped with the horizontal output extended back
Axis 22, the rear end of output shaft 22 are equipped with flange 23, and oil pump 5 is equipped with the input shaft 54 of horizontal extension, sets on the input shaft 54
There is flat key 541；The axis direction of shaft coupling 3 is front and back trend；Output shaft 22, shaft coupling 3,54 coaxial line of input shaft, shaft coupling 3
Front side connect with the rear end of output shaft 22.
Shaft coupling 3 includes inside and outside coaxial socket, first piece 31 and second piece 32, first piece 31, second piece 32 of annular
Front side flush, first piece 31 of rear side exceed second piece 32 of rear side, and first piece 31 of material is steel, second piece 32 of material
For rubber.
Keyway 311 compatible with flat key 541 is equipped in first piece 31；First piece 31 of the rear portion corresponds in position
It is radially equipped with and is communicated with keyway 311 and with internal thread pin hole 312 at keyway 311, spinning and flat key in pin hole 312
541 pin shafts 6 being in close contact.
Four first through hole 321 of perforation are evenly distributed on second piece 32, the axis direction of each first through hole 321 is equal
For second piece 32 of radial direction, first piece 31 corresponds at each first through hole 321 be equipped with and the first through hole 321 in position
Corresponding the first tapped blind hole 313 communicated, corresponding first through hole 321 on position, equal spinning one in the first tapped blind hole 313
A first bolt 33；It is outer for setting side of second piece 32 of the side radially adjacent to its axis in, far from its axis；First
Through-hole 321 is stepped hole, and first through hole 321 is by inside and outside coaxial communication, the first hole 321a of increasing diameter and the second hole 321b structure
At；First bolt 33 is interior hexagonal dormant bolt；For first through hole 321 corresponding on position, the first tapped blind hole
313 and corresponding first bolt 33 for, the screw terminal of first bolt 33 is located in the second hole 321b, the end of thread screws in first
In tapped blind hole 313.
The rear side of flange 23 is evenly distributed four the second tapped blind holes 231；Correspond in position for second piece 32 each
Second through-hole 322 is equipped with along axial corresponding perforation at second tapped blind hole 231；Corresponding second through-hole on position
322, one the second bolt 34 of equal spinning in the second tapped blind hole 231, the second through-hole 322 are stepped hole, and the second through-hole 322 is by preceding
Coaxial communication, the third hole 322a of increasing diameter and the 4th hole 322b are constituted afterwards；Second bolt 34 is interior hexagonal countersunk head spiral shell
Bolt；For the second through-hole 322 corresponding on position, the second tapped blind hole 231 and corresponding second bolt 34, this second
The screw terminal of bolt 34 is located in the 4th hole 322b, the end of thread screws in the second tapped blind hole 231.
First through hole 321, the second through-hole 322 are spaced from each other and space crossings are arranged.
Bracket 4 is arranged horizontally, front side is open, the closed cylinder of rear side, and the circumferential direction of the bracket 4 is provided with several four
Through-hole 44.
The front side of the bracket 4 is equipped with the mounting plate 41 arranged vertically, and the normal direction of mounting plate 41 is front-rear direction, peace
The front side flush of the front side of loading board 41 and bracket 4 is set there are four the third through-hole 411 of perforation, square arrangement on mounting plate 41,
Corresponding to setting correspondingly respectively at four third through-holes 411, there are four third tapped blind hole 21, positions in position for power takeoff 2
Set corresponding third through-hole 411, equal one third bolt 412 of spinning in third tapped blind hole 21.
The rear side of bracket 4 is equipped with the axis hole 42 for passing through and penetrating through for input shaft 54, and the rear side of the bracket 4, which is equipped with, to be symmetrical with
Axis hole 42, horizontally disposed two tapped through holes 43, the front side of oil pump 5 set that there are two the ears that are symmetrical with its axis, arrange vertically
Plate 51, two otic placodes 51 are corresponding one by one respectively with two tapped through holes 43 in position, and the normal direction of otic placode 51 is front and back
The front side flush of direction, the front side of otic placode 51 and oil pump 5, is provided with a U-lag 52 on each otic placode 51, corresponding on position
U-lag 52, equal one the 4th bolt 53 of spinning in tapped through hole 43.
After the front side of bracket 4 is connect with power takeoff 2, bracket 4 covers output shaft 22, shaft coupling 3, and oil pump 5 is mounted on branch
After the rear side of frame 4, input shaft 54 is put in keyway 311 through axis hole 42 and first piece of 31 grafting, flat key 541, and bracket 4 is by output shaft
22, flange 23, shaft coupling 3 cover.
Bracket 4 covers output shaft 22, shaft coupling 3 in the present apparatus, compares original power taking transmission shaft, and present apparatus length is big
Width shortens, and occupied space is smaller.Since second piece 32 uses flexible nonmetal material, the manufacture that can compensate 5 bracket 4 of oil pump is missed
Axial direction, the diameter of oil pump 5 input shaft 54 and 2 output shaft 22 of power takeoff caused by being vibrated in difference or the course of work due to engine 1
To deviation.
Pin shaft 6 can make the inserting of input shaft 54 more stable.
By first through hole 321, the first tapped blind hole 313 and corresponding first bolt 33, so that first piece 31, second piece
Relative motion will not occur between 32, structure is more stable.
By the second through-hole 322, the second tapped blind hole 231 and corresponding second bolt 34, so that shaft coupling 3 and flange 23
Connection it is more convenient.
Mounting plate 41 facilitates the connection between bracket 4 and power takeoff 2.
Corresponding U-lag 52, tapped through hole 43, the 4th bolt 53 facilitate the connection of oil pump 5 Yu bracket 4, and U-lag 52 is just
In the installation site for adjusting bolt, and it is convenient for the disassembly of bolt.
Fourth hole 44 plays the role of facilitating observation and heat dissipation.
Claims (8)
1. a kind of oil pump for engine power takeoff, including engine, power takeoff, power taking transmission parts, bracket, oil pump, power takeoff
On the engine, successively anterior-posterior horizontal is arranged for power takeoff, power taking transmission parts, oil pump, and power takeoff is extended back equipped with level for installation
Output shaft, oil pump is equipped with the input shaft of horizontal extension, and the axis direction of power taking transmission parts is that front and back is moved towards, feature
Be: the power taking transmission parts use shaft coupling, and the front side of shaft coupling and the rear end of output shaft connect；
Bracket is arranged horizontally, front side is open, the closed cylinder of rear side, and the rear side of bracket, which is equipped with, to be passed through and penetrate through for input shaft
Axis hole, after the front side of bracket is connect with power takeoff, bracket covers output shaft, shaft coupling, and oil pump is mounted on the rear side of bracket
Afterwards, input shaft passes through axis hole and connect with the rear side of shaft coupling；
Output shaft, shaft coupling, input shaft coaxial line.
2. a kind of oil pump for engine power takeoff according to claim 1, it is characterised in that: the input shaft is equipped with flat
Key；
Shaft coupling includes inside and outside coaxial socket, first piece and second piece of annular, first piece, second piece of front side flush, the
One piece of rear side exceeds second piece of rear side, and first piece of material is metal material, and second piece of material is flexible non-metallic material
Material；
Keyway compatible with flat key is equipped in first piece；
Several first through hole of perforation are evenly distributed on second piece, the axis direction of each first through hole is second piece of diameter
To first piece blind corresponding to the first screw thread communicated corresponding with the first through hole is equipped at each first through hole in position
Hole, corresponding first through hole on position, equal one the first bolt of spinning in the first tapped blind hole；
The rear end of output shaft is equipped with flange, is evenly distributed at least three second tapped blind holes on rear side of flange；
Second piece corresponds at each second tapped blind hole in position along axial corresponding perforation equipped with second through-hole；
First through hole, the second through-hole are in state spaced apart from each other；
Input shaft is put in keyway through axis hole and first piece of grafting, flat key, and corresponding second through-hole, the second screw thread are blind on position
Equal one the second bolt of spinning, bracket cover output shaft, flange, shaft coupling in hole.
3. a kind of oil pump for engine power takeoff according to claim 2, it is characterised in that: first piece of the rear portion exists
Correspond at keyway to be radially equipped on position and be communicated with keyway and with internal thread pin hole, spinning and flat key are close in pin hole
The pin shaft of contact.
4. a kind of oil pump for engine power takeoff according to claim 2, it is characterised in that: first bolt is interior six
Angle dormant bolt；
It is outer for setting side of second piece of the side radially adjacent to its axis in, far from its axis；
The quantity of first through hole is four, and first through hole is stepped hole, first through hole by inside and outside coaxial communication, increasing diameter first
Hole and the second hole are constituted；
For first through hole corresponding on position, the first tapped blind hole and corresponding first bolt, first bolt
Screw terminal is located in the second hole, the end of thread screws in the first tapped blind hole.
5. a kind of oil pump for engine power takeoff according to claim 2, it is characterised in that: second bolt is interior six
Angle dormant bolt；
The quantity of second through-hole is four, and the second through-hole is stepped hole, and the second through-hole is by front and back coaxial communication, the third of increasing diameter
Hole and the 4th hole are constituted；
For the second through-hole corresponding on position, the second tapped blind hole and corresponding second bolt, second bolt
Screw terminal is located in the 4th hole, the end of thread screws in the second tapped blind hole.
6. a kind of oil pump for engine power takeoff according to claim 1, it is characterised in that: the front side of the bracket is equipped with
The mounting plate arranged vertically, the normal direction of mounting plate are front-rear direction, the front side of mounting plate and the front side flush of bracket, peace
It is set in loading board there are four the third through-hole of perforation, square arrangement, power takeoff, which corresponds in position at four third through-holes, to be distinguished
It is set correspondingly there are four third tapped blind hole, corresponding third through-hole on position, equal spinning one in third tapped blind hole
A third bolt.
7. a kind of oil pump for engine power takeoff according to claim 1, it is characterised in that: the rear side of the bracket is equipped with
It is symmetrical with axis hole, horizontally disposed two tapped through holes, sets that there are two the ears that are symmetrical with its axis, arrange vertically on front side of oil pump
Plate, two otic placodes are corresponding one by one respectively with two tapped through holes in position, and the normal direction of otic placode is front-rear direction, otic placode
Front side and oil pump front side flush, be provided with a U-lag, corresponding U-lag, tapped through hole on position on each otic placode
One the 4th bolt of interior equal spinning.
8. a kind of oil pump for engine power takeoff according to claim 1, it is characterised in that: the circumferential direction of the bracket is provided with
Several fourth holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820634174.7U CN208220895U (en) | 2018-04-29 | 2018-04-29 | A kind of oil pump for engine power takeoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820634174.7U CN208220895U (en) | 2018-04-29 | 2018-04-29 | A kind of oil pump for engine power takeoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208220895U true CN208220895U (en) | 2018-12-11 |
Family
ID=64513848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820634174.7U Expired - Fee Related CN208220895U (en) | 2018-04-29 | 2018-04-29 | A kind of oil pump for engine power takeoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208220895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329928A (en) * | 2019-07-09 | 2019-10-15 | 三一汽车起重机械有限公司 | Radiating piece and crane |
| CN113339099A (en) * | 2021-04-29 | 2021-09-03 | 东风商用车有限公司 | Power take-off system of integrated oil pump and gearbox |
-
2018
- 2018-04-29 CN CN201820634174.7U patent/CN208220895U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329928A (en) * | 2019-07-09 | 2019-10-15 | 三一汽车起重机械有限公司 | Radiating piece and crane |
| CN113339099A (en) * | 2021-04-29 | 2021-09-03 | 东风商用车有限公司 | Power take-off system of integrated oil pump and gearbox |
| CN113339099B (en) * | 2021-04-29 | 2022-06-28 | 东风商用车有限公司 | Power take-off system of integrated oil pump and gearbox |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 |