CN109707790A - A kind of second order balancing device integrating lubricating oil pump - Google Patents
A kind of second order balancing device integrating lubricating oil pump Download PDFInfo
- Publication number
- CN109707790A CN109707790A CN201811390531.0A CN201811390531A CN109707790A CN 109707790 A CN109707790 A CN 109707790A CN 201811390531 A CN201811390531 A CN 201811390531A CN 109707790 A CN109707790 A CN 109707790A
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- China
- Prior art keywords
- oil pump
- balance shaft
- gear
- lubricating oil
- balance
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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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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of second order balancing devices for integrating lubricating oil pump, including frame, balance shaft one, balance weight, balance shaft two, collecting filter and lubricating oil pump, the oil pump gear is connected with balance shaft one, the balance shaft one runs through frame and extends to the other side of frame, the balance shaft one is provided with lubricating oil pump close to one end of oil pump gear, the lubricating oil pump is provided with oil pump cover, the balance shaft one is provided with gear one far from the other end of oil pump gear, the gear one is engaged with gear two, the gear two is connected with balance shaft two, balance weight is all provided in the balance shaft one and balance shaft two, the collecting filter is mounted on the bottom of one end in frame, the collecting filter and lubricating oil pump same lateral position, keep engine structure more compact, assembly maintenance is more convenient, improve the versatility of components, the device Engine luggine can be reduced with the two-stage reciprocating inertia force of complete equipilibrium engine.
Description
Technical field
The present invention relates to engine vibration-damping balancing technique field, specially a kind of second order balance dress for integrating lubricating oil pump
It sets.
Background technique
Periodicity of the engine due to the periodicity of the course of work and train motion in real work, the rotatory inertia of generation
Power and reciprocal inertia force are all periodically variable.These power cannot cancel out each other in internal body, can all be transmitted to hair
In motivation support, the power in support also can constantly change, and keep engine operating uneven, generate and vibrate, caused by engine
Reciprocal inertia force is cannot to be solved by way of increasing balance weight on crankshaft, especially two-stage reciprocating inertia force, by
It is more fast again than the frequency that crankshaft rotates in the frequency of its variation, so can only solve by balance mechanism, increase balance mechanism
It will increase the complete machine height of engine, balance shaft needs to be driven using chain or gear, and increased part is more, to hair
The reliability effect of motivation is bigger, in addition will affect the installation of lubricating oil pump, the driving mechanism of lubricating oil pump and the driving machine of balance shaft
It is huge that structure will lead to mechanism.
Currently, the balance shaft on some engines is integral type, maintenance replacement cost is higher, and balance shaft can only fit
With a single type, it is not easy to General design.
Summary of the invention
The purpose of the present invention is to provide a kind of second order balancing devices for integrating lubricating oil pump, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme: a kind of second order balance dress for integrating lubricating oil pump
It sets, including frame, balance shaft one, balance weight, balance shaft two, collecting filter and lubricating oil pump, the oil pump gear are connected with balance
Axis one, the balance shaft one run through frame and extend to the other side of frame, and the balance shaft one is close to the one of oil pump gear
End is provided with lubricating oil pump, and the lubricating oil pump is provided with oil pump cover, and the balance shaft one is set far from the other end of oil pump gear
It is equipped with gear one, the gear one is engaged with gear two, and the gear two is connected with balance shaft two, the balance shaft one and balance
Balance weight is all provided on axis two, the collecting filter is mounted on the bottom of one end in frame, and the collecting filter and lubricating oil pump are ipsilateral
Position.
Preferably, the balance shaft one and balance shaft two are mounted on frame, and the intermediate lining for being provided with interference fit
Set.
Preferably, fastening screw is fixed between the balance shaft one and balance shaft two and balance weight.
Preferably, the gear one is all covered with the junction of balance shaft one and the gear two and the junction of balance shaft two
Equipped with pressing plate and bolt.
Preferably, the gear one is connect with balance shaft one by flat key, and the gear two passes through flat key with balance shaft two
Connection.
Preferably, fastening nut and woodruff key are fixed between the oil pump gear and balance shaft one.
Compared with prior art, the beneficial effects of the present invention are:
1. the device can reduce engine luggine with the two-stage reciprocating inertia force of complete equipilibrium hair loss motivation.
2. the device sets lubricating oil pump and balancer keep engine structure more compact in one, engine height is reduced.
3. the mountable lubricating oil pump of balance shaft one, is not necessarily to individual machine oil pump shaft, the gear of lubricating oil pump can directly drive balance
Axis one, reduces amount of parts, reduces driving mechanism, while balance weight can be dismantled, and assembly maintenance is more convenient.
Start 4. needing replacing balance weight and the balancing device can be made to be applicable in identical cylinder diameter, cylinder centre line spacing, different trips
Machine improves the versatility of components.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is structural schematic diagram of the invention.
In figure: 1, oil pump gear；2, oil pump cover；3, frame；4, balance shaft one；5, balance weight；6, gear one；7, it presses
Plate；8, gear two；9, balance shaft two；10, collecting filter；11, fastening nut；12, woodruff key；13, lubricating oil pump；14, bushing；15,
Fastening screw；16, flat key.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of embodiment provided by the invention referring to FIG. 1-2: a kind of second order balancing device integrating lubricating oil pump,
Including frame 3, balance shaft 1, balance weight 5, balance shaft 29, collecting filter 10 and lubricating oil pump 13, oil pump gear 1 is connected with flat
Weigh axis 1, and balance shaft 1 is through frame 3 and extends to the other side of frame 3, balance shaft 1 close to oil pump gear 1 one
End is provided with lubricating oil pump 13, and lubricating oil pump 13 is provided with oil pump cover 2, and balance shaft 1 is arranged far from the other end of oil pump gear 1
There is a gear 1, gear 1 is engaged with gear 28, and gear 28 is connected with balance shaft 29, in balance shaft 1 and balance shaft 29
It is all provided with balance weight 5, collecting filter 10 is mounted on the bottom of one end in frame 3, collecting filter 10 and 13 same lateral position of lubricating oil pump.
In this embodiment as shown in Fig. 2, balance shaft 1 and balance shaft 29 are installed on the frame 3, and centre is provided with
The bushing 14 of interference fit improve engine lubrication in use, machine oil enters one balance pressure of formation in bushing 14
The stability of engine.
In this embodiment, fastening screw 15, balance shaft one are fixed between balance shaft 1 and balance shaft 29 and balance weight 5
4 and balance shaft 29 and balance weight 5 it is fixed by fastening screw 15, it is easy to disassemble, and replacement, improve the versatility of device.
In this embodiment as shown in Figure 1, the junction and gear 28 of gear 1 and balance shaft 1 and balance shaft 29
Junction is all arranged with pressing plate 7 and bolt.
In this embodiment as shown in Figure 1, gear 1 is connect with balance shaft 1 by flat key 16, gear 28 and balance shaft
29 are connected by flat key 16.
It is opened up in balance shaft 1 and balance shaft 29 during installation fluted for cooperating flat key 16, while one 6 He of gear
Gear 28 also offers the groove being adapted to flat key 16, and now flat key 16 is put into groove, and gear 1 and gear 28 is corresponding
After being mounted in balance shaft 1 and balance shaft 29, so that gear and balance shaft reduce gap, more stable, then by pressing plate
7 sets in balance shaft, are fixed with bolt, are prevented bolt from directly contacting gear and are caused to wear, while improving fastness again.
In this embodiment, fastening nut 11 and woodruff key 12 are fixed between oil pump gear 1 and balance shaft 1, it is convenient
Disassembly installation.
Working principle: when engine operation, crankshaft toothed wheel drives oil pump gear 1 to work, in the drive of oil pump gear 1
Lower balance shaft 1 and gear 1 rotate, and gear 1 and gear 28 are meshed, so gear 1 can drive 28 He of gear
Balance shaft 29 works, and the operating of balance shaft 1 and balance shaft 29 can offset the two-stage reciprocating inertia force of engine, oil sump
In machine oil lubricating oil pump 13 is entered by collecting filter 10 under the action of lubricating oil pump 13, machine oil after being overpressurized passes through frame 3
In oil duct enter engine and balance neck bush 14 in, realize engine and balance shaft force feed, improve engine work
The reliability of work.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of second order balancing device for integrating lubricating oil pump, including frame (3), balance shaft one (4), balance weight (5), balance
Axis two (9), collecting filter (10) and lubricating oil pump (13), it is characterised in that: the oil pump gear (1) is connected with balance shaft one (4),
The balance shaft one (4) runs through frame (3) and extends to the other side of frame (3), and the balance shaft one (4) is close to machine oil pump tooth
One end of wheel (1) is provided with lubricating oil pump (13), and the lubricating oil pump (13) is provided with oil pump cover (2), and the balance shaft one (4) is remote
The other end of oil pump gear (1) of disembarking is provided with gear one (6), and the gear one (6) is engaged with gear two (8), the gear
Two (8) are connected with balance shaft two (9), and balance weight (5), the collection are all provided on the balance shaft one (4) and balance shaft two (9)
Filter (10) is mounted on the bottom of frame (3) interior one end, the collecting filter (10) and lubricating oil pump (13) same lateral position.
2. a kind of second order balancing device for integrating lubricating oil pump according to claim 1, it is characterised in that: the balance
Axis one (4) and balance shaft two (9) are mounted on frame (3), and the intermediate bushing (14) for being provided with interference fit.
3. a kind of second order balancing device for integrating lubricating oil pump according to claim 1, it is characterised in that: the balance
Fastening screw (15) are fixed between axis one (4) and balance shaft two (9) and balance weight (5).
4. a kind of second order balancing device for integrating lubricating oil pump according to claim 1, it is characterised in that: the gear
The junction and the gear two (8) of one (6) and balance shaft one (4) and the junction of balance shaft two (9) are all arranged with pressing plate (7)
And bolt.
5. a kind of second order balancing device for integrating lubricating oil pump according to claim 1, it is characterised in that: the gear
One (6) are connect with balance shaft one (4) by flat key (16), and the gear two (8) and balance shaft two (9) are connected by flat key (16)
It connects.
6. a kind of second order balancing device for integrating lubricating oil pump according to claim 1, it is characterised in that: the machine oil
Fastening nut (11) and woodruff key (12) are fixed between pump gear (1) and balance shaft one (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390531.0A CN109707790A (en) | 2018-11-21 | 2018-11-21 | A kind of second order balancing device integrating lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390531.0A CN109707790A (en) | 2018-11-21 | 2018-11-21 | A kind of second order balancing device integrating lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109707790A true CN109707790A (en) | 2019-05-03 |
Family
ID=66254359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811390531.0A Pending CN109707790A (en) | 2018-11-21 | 2018-11-21 | A kind of second order balancing device integrating lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109707790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417931A (en) * | 2021-01-25 | 2021-09-21 | 中国第一汽车股份有限公司 | Balance shaft assembly with good lubricating system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2937489Y (en) * | 2006-08-10 | 2007-08-22 | 珀金斯动力(天津)有限公司 | Self-lubricating two-stage balance device of four-cylinder diesel engine |
| CN201180761Y (en) * | 2008-02-02 | 2009-01-14 | 李尧 | Vertical engine with good vibration damping performance |
| CN101398055A (en) * | 2008-10-24 | 2009-04-01 | 常柴股份有限公司 | Full-equilibrium single cylinder diesel |
-
2018
- 2018-11-21 CN CN201811390531.0A patent/CN109707790A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2937489Y (en) * | 2006-08-10 | 2007-08-22 | 珀金斯动力(天津)有限公司 | Self-lubricating two-stage balance device of four-cylinder diesel engine |
| CN201180761Y (en) * | 2008-02-02 | 2009-01-14 | 李尧 | Vertical engine with good vibration damping performance |
| CN101398055A (en) * | 2008-10-24 | 2009-04-01 | 常柴股份有限公司 | Full-equilibrium single cylinder diesel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417931A (en) * | 2021-01-25 | 2021-09-21 | 中国第一汽车股份有限公司 | Balance shaft assembly with good lubricating system |
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Application publication date: 20190503 |