CN112879447B - Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct - Google Patents
Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct Download PDFInfo
- Publication number
- CN112879447B CN112879447B CN202110257636.4A CN202110257636A CN112879447B CN 112879447 B CN112879447 B CN 112879447B CN 202110257636 A CN202110257636 A CN 202110257636A CN 112879447 B CN112879447 B CN 112879447B
- Authority
- CN
- China
- Prior art keywords
- oil
- transmission shaft
- supply channel
- communicated
- oil supply
- Prior art date
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 96
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 13
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 220
- 239000010687 lubricating oil Substances 0.000 description 18
- 238000001816 cooling Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- 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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
-
- 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
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/14—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a connecting structure of a transmission shaft sleeve integrated with a complex oil passage and an oil pump, relates to an oil injection pump mounting structure, and solves the technical problem that the mounting structure is complex due to the fact that an existing oil pump transmission shaft is cooled through an external oil pipe of the transmission shaft sleeve. The device comprises a gear, a transmission shaft and a transmission shaft sleeve; the transmission shaft sleeve is rotationally connected with the transmission shaft through a first bearing and a second bearing; an oil inlet is formed in the driving shaft sleeve, a first oil supply channel and a second oil supply channel are formed in the driving shaft sleeve, a backflow oil channel is further formed in the driving shaft sleeve, the first oil supply channel is communicated with the backflow oil channel, and the second oil supply channel is communicated with the backflow oil channel. The invention can lubricate and cool the bearing and the transmission shaft efficiently and accurately, and does not need too many external pipelines, so that the installation structure of the oil pump transmission shaft is simpler and easier to install and maintain.
Description
Technical Field
The invention relates to an oil injection pump mounting structure, in particular to a connecting structure of an oil pump and a driving shaft sleeve integrated with a complex oil passage.
Background
The oil injection pump is also called an oil pump, a transmission shaft on a rotating shaft and a shaft sleeve thereof are used for connecting an engine and the oil injection pump, so that the power of the engine is transmitted to the oil injection pump, the oil pump is driven to operate, and the oil injection pump is supported and connected. As shown in fig. 1, the existing driving sleeve 2 is not integrated with a lubrication oil path, and the bearing and the transmission shaft of the driving sleeve 2 near one end of the gear 1 are lubricated and cooled by means of an external oil pipe 4. Therefore, at least two oil inlet holes are generally arranged on the driving shaft sleeve 2, and one oil inlet hole is used for supplying oil to the bearing; the other parts are uniformly arranged on the shaft sleeve to supply oil for the transmission shaft. Since the external oil path is arranged from the oil injection pump 3 to the gear 1, the installation position of the external oil pipe 4 needs to be reserved during installation, and a corresponding oil pipe fastening structure needs to be arranged. This results in a complex installation structure and difficult maintenance. And a certain connecting joint, such as a tee joint structure, is added on the external oil pipe 4, so that a certain oil leakage risk exists at the joint position of the external oil pipe 4.
Disclosure of Invention
The invention aims to solve the technical problem of providing a connecting structure of a transmission shaft sleeve integrated with a complex oil duct and an oil pump, aiming at the defects of the prior art, and solving the problem of complex installation structure caused by cooling of an external oil pipe of the transmission shaft of the existing oil pump.
The technical scheme of the invention is as follows: the utility model provides a connection structure of transmission shaft sleeve and oil pump of integrated complicated oil duct, includes gear, transmission shaft sleeve; the transmission shaft is fixedly arranged on a rotating shaft of the oil pump, the gear is arranged at the tail end of the transmission shaft, the transmission shaft sleeve is sleeved on the outer side of the transmission shaft, and the transmission shaft sleeve is rotationally connected with the transmission shaft through a first bearing and a second bearing; an oil inlet is formed in the transmission shaft sleeve, a first oil supply channel and a second oil supply channel are arranged in the transmission shaft sleeve, and the first oil supply channel and the second oil supply channel are communicated with the oil inlet; the first oil supply channel is communicated with the oil return cavity through a third oil supply channel which sequentially penetrates through the first bearing, the transmission shaft and the rotation shaft; a fourth oil supply channel is arranged between the transmission shaft sleeve and the transmission shaft, the second oil supply channel is communicated with the fourth oil supply channel through a second oil passing hole formed in the second bearing, and the fourth oil supply channel is communicated with the oil return cavity; and one side of the transmission shaft sleeve, which is far away from the oil inlet, is provided with a return oil duct, and the return oil cavity is communicated with the return oil duct.
And the reflux oil duct is further improved and provided with a connecting channel which is communicated with the fourth oil supply channel.
Further, an oil drain hole penetrating through the transmission shaft sleeve is arranged below the backflow oil duct, and a closing bolt is screwed on the oil drain hole.
Still further, be equipped with the reservation runner in the transfer sleeve, the one end of reservation runner is linked together with the oil inlet, the other end of reservation runner extends towards the oil pump direction, just the reservation runner runs through the transfer sleeve, be equipped with the installation clearance between transfer sleeve, transmission shaft and the oil pump, the installation clearance is linked together with reservation runner and oil return chamber respectively.
Further, a reserved oil port, a fifth oil supply channel and a sixth oil supply channel which are communicated are also arranged in the transmission shaft sleeve; the connecting part of the reserved oil port, the fifth oil supply channel and the sixth oil supply channel is communicated with the oil inlet through a transition channel, the fifth oil supply channel is communicated with the third oil supply channel, the sixth oil supply channel is communicated with the fourth oil supply channel, and the reserved oil port is screwed with a sealing bolt.
Further, the third oil supply channel comprises a plurality of first oil passing holes which are formed in the first bearing, the transmission shaft and the rotating shaft; an inner oil supply channel is formed in the rotating shaft and is communicated with a first oil passing hole formed in the rotating shaft, and one end, close to the oil pump, of the inner oil supply channel is communicated with an oil return cavity through a third oil passing hole.
Furthermore, the mounting groove has been seted up to one side of transmission shaft, pivot fixed mounting is in the mounting groove, the bottom of mounting groove is equipped with the bowl groove, the air flue has been seted up to the opposite side of transmission shaft, the air flue runs through the transmission shaft, just the air flue is linked together with the bowl groove.
Still further, the air flue includes first bench passageway and the second bench passageway that is linked together, the diameter of first bench passageway is greater than the diameter of second bench passageway, first bench passageway is linked together with the bowl groove, the second bench passageway runs through the transmission shaft.
Furthermore, an annular oil storage tank is arranged on the side wall of the mounting groove, and the oil storage tank is communicated with a first oil passing hole arranged on the transmission shaft and the rotating shaft.
Advantageous effects
The invention has the advantages that: the inside of the driving shaft sleeve is provided with two oil supply channels, lubricating oil enters the inside of the oil pump transmission shaft mounting structure from one side of the driving shaft sleeve and cools each bearing, the transmission shaft and the rotating shaft, and finally flows to the gear chamber from a backflow oil duct at the other side of the driving shaft sleeve and finally flows back to the oil pan to form an oil circuit circulation. The integrated complex lubricating oil channel can efficiently and accurately lubricate and cool the bearing and the transmission shaft, and does not need too many external pipelines to be arranged, so that the mounting structure of the oil pump transmission shaft is simpler and easier to mount and maintain. Meanwhile, the problem that leakage is easy to occur due to too many oil way interfaces is also reduced.
Drawings
FIG. 1 is a schematic view of the external structure of a conventional oil pump drive shaft mounting structure;
FIG. 2 is a schematic view of the external structure of the oil pump drive shaft mounting structure according to the present invention;
FIG. 3 is a schematic diagram of a front cross-sectional structure of the oil pump drive shaft mounting structure according to the present invention;
FIG. 4 is an enlarged front end view of the oil pump drive shaft mounting structure of FIG. 3;
fig. 5 is a schematic top view of the driving sleeve according to the present invention.
Wherein: 1-gear, 2-driving sleeve, 3-oil pump, 4-outside oil pipe, 5-transmission shaft, 6-pivot, 7-first bearing, 8-second bearing, 9-oil inlet, 10-first oil feed channel, 11-second oil feed channel, 12-backward flow oil duct, 13-first oil passing hole, 14-second oil passing hole, 15-installation clearance, 16-reserved runner, 17-reserved oil port, 18-inside oil feed duct, 19-bowl groove, 20-air flue, 21-oil storage tank, 22-fourth oil feed channel, 23-backward oil cavity, 24-connecting channel, 25-oil drain hole, 26-fifth oil feed channel, 27-sixth oil feed channel.
Detailed Description
The invention is further described below in connection with the examples, which are not to be construed as limiting the invention in any way, but rather as falling within the scope of the claims.
Referring to fig. 2-5, the connecting structure of the transmission shaft sleeve integrated with the complex oil duct and the oil pump comprises a gear 1, a transmission shaft 5 and the transmission shaft sleeve 2. The transmission shaft 5 is fixedly arranged on a rotating shaft 6 of the oil pump 3, the gear 1 is fixedly arranged at the tail end of the transmission shaft 5, one end of the transmission shaft sleeve 2 is fixedly arranged on the oil pump 3, the transmission shaft sleeve 2 is sleeved on the outer side of the transmission shaft 5, and the transmission shaft sleeve 2 is rotationally connected with the transmission shaft 5 through a first bearing 7 and a second bearing 8. Compared with the prior art, the two bearings are arranged in the driving shaft sleeve 2 of the embodiment, so that the power can be transmitted more stably and efficiently, and the safety and reliability are higher. The driving sleeve 2 of this embodiment is provided with a stepped groove for mounting the driving shaft 5, and the diameter of one end of the stepped groove close to the oil pump 3 is large. The two bearings are respectively arranged on the two ladder sections of the ladder groove.
An oil inlet 9 is formed in the driving shaft sleeve 2, a first oil supply channel 10 and a second oil supply channel 11 are formed in the driving shaft sleeve 2, and the first oil supply channel 10 and the second oil supply channel 11 are communicated with the oil inlet 9. The first oil supply channel 10 is used for supplying oil to the first bearing 7 and the joint of the rotating shaft 6 and the transmission shaft 5; the second oil supply passage 11 is used for supplying oil to the second bearing 8. The joint of the transmission shaft, the rotation shaft and the oil pump is provided with an oil return cavity 23, and the first oil supply channel 10 is communicated with the oil return cavity 23 by sequentially penetrating through a third oil supply channel on the first bearing 7, the transmission shaft 5 and the rotation shaft 6. A fourth oil supply channel 22 is arranged between the driving shaft sleeve 2 and the driving shaft 5, the second oil supply channel 11 is communicated with the fourth oil supply channel 22 through a second oil passing hole 14 arranged on the second bearing 8, and the fourth oil supply channel 22 is communicated with an oil return cavity 23. And one side of the driving shaft sleeve 2, which is far away from the oil inlet 9, is provided with a backflow oil duct 12, the backflow oil duct 12 is communicated with the outside, and the backflow oil cavity 23 is communicated with the backflow oil duct 12.
The third oil supply channel comprises a plurality of first oil passing holes 13 formed in the first bearing 7, the transmission shaft 5 and the rotating shaft 6. Specifically, a plurality of first oil passing holes 13 are formed in the first bearing 7, the transmission shaft 5 and the rotating shaft 6, and the positions of the first oil passing holes 13 in the first bearing 7, the transmission shaft 5 and the rotating shaft 6 are consistent, so that lubricating oil can flow into the rotating shaft 6 through the first oil passing holes 13 when the rotating shaft 6 and the transmission shaft 5 rotate. An internal oil supply channel 18 is formed in the rotating shaft 6, the internal oil supply channel 18 is communicated with the first oil passing hole 13 formed in the rotating shaft 6, one end, close to the oil pump 3, of the internal oil supply channel 18 is communicated with the oil return cavity 23 through the third oil passing hole, so that a lubricating oil supply channel is formed, and lubricating and cooling of the transmission shaft 5 and the rotating shaft 6 are achieved.
The return oil passage 12 is provided with a connecting passage 24, and the connecting passage 24 is communicated with the fourth oil supply passage 22 to realize the return of lubricating oil in the fourth oil supply passage 22. Specifically, the connection channel 24 is in communication with the stepped slot, and the connection channel 24 is located at the junction of two steps of the stepped slot.
When the lubricating oil flows into the first oil supply passage 10 from the oil inlet 9, the lubricating oil in the first oil supply passage 10 enters the inside of the first bearing 7 and the joint of the first bearing 7 and the drive shaft 5 through the first oil passing hole 13 on the first bearing 7, and lubricates and cools the first bearing 7. Then, the lubricating oil continuously enters the junction of the transmission shaft 5 and the rotating shaft 6 and the inside of the rotating shaft 6 along the first oil passing hole 13 on the transmission shaft 5, so that the transmission shaft 5 and the rotating shaft 6 are cooled, the problem of overhigh temperature rise is avoided, and the running performance of the rotating shaft 6 and the transmission shaft 5 is well ensured. Eventually, the lubricating oil flows into the oil return chamber 23 through the inner oil supply passage 18.
When the lubricating oil flows into the second oil supply passage 11 from the oil inlet 9, the lubricating oil in the second oil supply passage 11 enters the inside of the second bearing 8 and the joint of the second bearing 8 and the transmission shaft 5 through the second oil passing hole 14 on the second bearing 8, and lubricates and cools it. Then, the lubricating oil flows into the fourth oil supply passage 22 surrounded by the outdrive 2 and the transmission shaft 5, and the transmission shaft 5 is wrapped, so that the whole transmission shaft 5 is lubricated and cooled better. Eventually, the lubricating oil flows into the return oil passage 12 through the connecting passage 24.
In this example, by designing the lubricating oil channel in the driving sleeve 2, lubricating oil enters the oil pump driving shaft mounting structure from one side of the driving sleeve 2, cools each bearing, the driving shaft 5 and the rotating shaft 6, and finally flows from the backflow oil channel 12 on the other side of the driving sleeve 2 to the gear chamber, and finally flows back to the oil pan to form an oil circuit circulation. The integrated complex lubricating oil channel can efficiently and accurately lubricate and cool the bearing and the transmission shaft, and does not need too many external pipelines to be arranged, so that the mounting structure of the oil pump transmission shaft is simpler and easier to mount and maintain. Meanwhile, the problem that leakage is easy to occur due to too many oil way interfaces is also reduced.
Preferably, an oil drain hole 25 penetrating through the driving shaft sleeve 2 is arranged below the return oil duct 12, and a closing bolt is screwed on the oil drain hole 25. When the oil pump 3 is overhauled and maintained, the lubricating oil in the installation structure can be discharged through the oil discharge hole 25, and the device is practical and convenient.
Preferably, a reserved runner 16 is arranged in the driving shaft sleeve 2, one end of the reserved runner 16 is communicated with the oil inlet 9, the other end of the reserved runner 16 extends towards the oil pump 3, and the reserved runner 16 penetrates through the driving shaft sleeve 2. And a mounting gap 15 is arranged among the driving shaft sleeve 2, the driving shaft 5 and the oil pump 3, and the mounting gap 15 is respectively communicated with the reserved flow passage 16 and the oil return cavity 23. For some application places in special environments, such as high-temperature deserts, the phenomenon that the transmission shaft 5 and the rotating shaft 6 generate heat greatly easily occurs. For the oil pumps 3 in the application places, the preset reserved flow channels 16 can be started, so that the fluidity of lubricating oil in the installation structure is enhanced, and the cooling of the installation structure is facilitated.
Preferably, the transmission shaft sleeve 2 is also provided with a reserved oil port 17, a fifth oil supply channel 27 and a sixth oil supply channel 28 which are communicated. The connection part of the reserved oil port 17, the fifth oil supply channel 27 and the sixth oil supply channel 28 is communicated with the oil inlet through a transition channel, the fifth oil supply channel 27 is communicated with the third oil supply channel, the sixth oil supply channel 28 is communicated with the fourth oil supply channel 22 in the opposite direction, and a sealing bolt is screwed on the reserved oil port 17. The reserved oil port 17 is not started in the normal working state of the oil pump 3. However, if the oil pump 3 works under the condition of larger temperature rise, the oil can be supplied to the inside of the installation structure through the reserved oil port 17, and the installation structure is further lubricated and cooled in a mode of increasing the oil quantity, so that the practicability of the oil pump 3 is greatly improved.
One side of the transmission shaft 5 is provided with a mounting groove, the rotation shaft 6 is fixedly mounted in the mounting groove, the bottom of the mounting groove is provided with a bowl-shaped groove 19, the other side of the transmission shaft 5 is provided with an air passage 20, the air passage 20 penetrates through the transmission shaft 5, and the air passage 20 is communicated with the bowl-shaped groove 19. In addition, the gear 1 is provided with a through hole communicated with the outside, and the air passage 20 is communicated with the through hole. During operation, the temperature of the drive shaft 5 and the shaft 6 will rise and some oil and gas will be produced. Because the mounting structure of the oil pump is relatively closed, accumulation of oil gas easily occurs in the mounting groove. At the same time, the oil gas can expand with the increase of the shaft temperature. In order to ensure the safety of the oil pump 3 during use, the present embodiment provides an air passage 20 for releasing oil and gas. By the mode, the stability of the air pressure in the oil pump mounting structure can be well ensured, and the oil pump mounting structure can operate more stably.
Preferably, airway 20 includes a first bench passage and a second bench passage in communication. The diameter of the first bench channel is larger than that of the second bench channel, the first bench channel is communicated with the bowl-shaped groove 19, and the second bench channel penetrates through the transmission shaft 5. When the oil gas is discharged, the extrusion flow of the oil gas is acted through the second stepped passage with smaller diameter, so that the discharge of the oil gas is facilitated.
An annular oil storage tank 21 is arranged on the side wall of the mounting groove, and the oil storage tank 21 is communicated with a first oil passing hole 13 arranged on the transmission shaft 5 and the rotating shaft 6. The oil reservoir 21 serves as a transfer oil passage for ensuring the supply of oil to the rotary shaft 6.
While only the preferred embodiments of the present invention have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (6)
1. The utility model provides a connection structure of transmission shaft sleeve and oil pump of integrated complicated oil duct, includes gear (1), transmission shaft (5), transmission shaft sleeve (2); the transmission shaft (5) is fixedly arranged on a rotating shaft (6) of the oil pump (3), the gear (1) is arranged at the tail end of the transmission shaft (5), and the transmission shaft sleeve (2) is sleeved on the outer side of the transmission shaft (5), and the transmission shaft is characterized in that the transmission shaft sleeve (2) is rotationally connected with the transmission shaft (5) through a first bearing (7) and a second bearing (8); an oil inlet (9) is formed in the transmission shaft sleeve (2), a first oil supply channel (10) and a second oil supply channel (11) are formed in the transmission shaft sleeve (2), and the first oil supply channel (10) and the second oil supply channel (11) are communicated with the oil inlet (9); the oil return cavity (23) is arranged at the joint of the transmission shaft (5), the rotating shaft (6) and the oil pump (3), and the first oil supply channel (10) is communicated with the oil return cavity (23) by sequentially penetrating through the first bearing (7), the transmission shaft (5) and a third oil supply channel on the rotating shaft (6); a fourth oil supply channel (22) is arranged between the driving shaft sleeve (2) and the driving shaft (5), the second oil supply channel (11) is communicated with the fourth oil supply channel (22) through a second oil passing hole (14) arranged on the second bearing (8), and the fourth oil supply channel (22) is communicated with the oil return cavity (23); a return oil duct (12) is arranged on one side, far away from the oil inlet (9), of the transmission shaft sleeve (2), and the oil return cavity (23) is communicated with the return oil duct (12);
a reserved flow passage (16) is arranged in the driving shaft sleeve (2), one end of the reserved flow passage (16) is communicated with the oil inlet (9), the other end of the reserved flow passage (16) extends towards the direction of the oil pump (3), the reserved flow passage (16) penetrates through the driving shaft sleeve (2), a mounting gap (15) is arranged among the driving shaft sleeve (2), the driving shaft (5) and the oil pump (3), and the mounting gap (15) is respectively communicated with the reserved flow passage (16) and the oil return cavity (23);
a reserved oil port (17), a fifth oil supply channel (27) and a sixth oil supply channel (28) which are communicated are also arranged in the transmission shaft sleeve (2); the connection part of the reserved oil port (17), the fifth oil supply channel (27) and the sixth oil supply channel (28) is communicated with the oil inlet (9) through a transition channel, the fifth oil supply channel (27) is communicated with the third oil supply channel, the sixth oil supply channel (28) is communicated with the fourth oil supply channel (22), and the reserved oil port (17) is screwed with a sealing bolt;
the third oil supply channel comprises a plurality of first oil passing holes (13) which are formed in the first bearing (7), the transmission shaft (5) and the rotating shaft (6); an internal oil supply channel (18) is formed in the rotating shaft (6), the internal oil supply channel (18) is communicated with a first oil passing hole (13) formed in the rotating shaft (6), and one end, close to the oil pump (3), of the internal oil supply channel (18) is communicated with an oil return cavity (23) through a third oil passing hole.
2. The connection structure of the outdrive and the oil pump integrated with the complex oil passage according to claim 1, wherein the return oil passage (12) is provided with a connection passage (24), and the connection passage (24) is communicated with a fourth oil supply passage (22).
3. The connecting structure of the driving sleeve and the oil pump integrated with the complex oil passage according to claim 1, wherein an oil drain hole (25) penetrating through the driving sleeve (2) is arranged below the return oil passage (12), and a closing bolt is screwed on the oil drain hole (25).
4. The connection structure of the driving sleeve and the oil pump of the integrated complex oil duct according to claim 1, wherein a mounting groove is formed in one side of the driving shaft (5), the rotating shaft (6) is fixedly mounted in the mounting groove, a bowl-shaped groove (19) is formed in the bottom of the mounting groove, an air passage (20) is formed in the other side of the driving shaft (5), the air passage (20) penetrates through the driving shaft (5), and the air passage (20) is communicated with the bowl-shaped groove (19).
5. The connection structure of the outdrive and the oil pump integrating the complex oil passage according to claim 4, wherein the air passage (20) comprises a first stepped passage and a second stepped passage which are communicated, the diameter of the first stepped passage is larger than that of the second stepped passage, the first stepped passage is communicated with the bowl-shaped groove (19), and the second stepped passage penetrates the transmission shaft (5).
6. The connecting structure of the driving sleeve and the oil pump integrated with the complex oil duct according to claim 4, wherein an annular oil storage groove (21) is formed in the side wall of the mounting groove, and the oil storage groove (21) is communicated with a first oil passing hole (13) formed in the driving shaft (5) and the rotating shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257636.4A CN112879447B (en) | 2021-03-09 | 2021-03-09 | Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257636.4A CN112879447B (en) | 2021-03-09 | 2021-03-09 | Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112879447A CN112879447A (en) | 2021-06-01 |
| CN112879447B true CN112879447B (en) | 2024-03-08 |
Family
ID=76054011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110257636.4A Active CN112879447B (en) | 2021-03-09 | 2021-03-09 | Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112879447B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017075627A (en) * | 2015-10-13 | 2017-04-20 | トヨタ自動車株式会社 | Spline joint |
| JP2019157773A (en) * | 2018-03-14 | 2019-09-19 | ジヤトコ株式会社 | Oil pump structure |
| CN110792588A (en) * | 2019-12-10 | 2020-02-14 | 力源液压***（贵阳）有限公司 | Transmission lubricating device with pressure lubricating oil |
| CN112412777A (en) * | 2020-12-01 | 2021-02-26 | 烟台杰瑞石油装备技术有限公司 | Lubricating system for plunger pump and plunger pump |
| CN214661582U (en) * | 2021-03-09 | 2021-11-09 | 广西玉柴机器股份有限公司 | Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct |
-
2021
- 2021-03-09 CN CN202110257636.4A patent/CN112879447B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017075627A (en) * | 2015-10-13 | 2017-04-20 | トヨタ自動車株式会社 | Spline joint |
| JP2019157773A (en) * | 2018-03-14 | 2019-09-19 | ジヤトコ株式会社 | Oil pump structure |
| CN110792588A (en) * | 2019-12-10 | 2020-02-14 | 力源液压***（贵阳）有限公司 | Transmission lubricating device with pressure lubricating oil |
| CN112412777A (en) * | 2020-12-01 | 2021-02-26 | 烟台杰瑞石油装备技术有限公司 | Lubricating system for plunger pump and plunger pump |
| CN214661582U (en) * | 2021-03-09 | 2021-11-09 | 广西玉柴机器股份有限公司 | Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112879447A (en) | 2021-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10378556B2 (en) | Outlet guide vane for aircraft turbine engine, presenting an improved lubricant cooling function | |
| CN203067286U (en) | Screw type compressor | |
| CN102678767B (en) | Radiating method for rolling bearing | |
| CN214661582U (en) | Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct | |
| CN110671160A (en) | Rotor supporting and lubricating integrated structure of small turbine engine | |
| CN208203646U (en) | A kind of bearing cooler of air compressor machine | |
| CN109084011A (en) | A kind of transmission lubrication system | |
| CN102678763A (en) | Rolling bearing radiating device | |
| CN112879447B (en) | Connecting structure of transmission shaft sleeve and oil pump integrated with complex oil duct | |
| CN111692506B (en) | Oil pump transmission connecting device and hydraulic transmission mechanical equipment | |
| CN106594253B (en) | Cooling and lubricating system and cooling and lubricating method for heavy-duty transmission | |
| JP6511321B2 (en) | Refueling displacement compressor | |
| KR101064152B1 (en) | Screw type vacuum pump having direct cooling device | |
| CN109736951B (en) | Bearing lubricating and sealing system of rotor system of micro gas turbine | |
| CN2641383Y (en) | Speed-adjusting type hydraulic coupler | |
| CN110513308A (en) | A kind of semi-enclosed centrifugal compressor | |
| CN202381551U (en) | Heat sink for rolling bearing | |
| CN213125770U (en) | Permanent magnet motor of bearing oil-cooled air compressor | |
| CN114320924A (en) | Oil circuit structure of semi-closed refrigeration screw compressor | |
| CN205255999U (en) | Car integrated form radiator assembly | |
| CN210660646U (en) | Semi-closed centrifugal compressor | |
| CN211145311U (en) | Lubricating and cooling structure for high-power durability test of gear | |
| JPH0128233B2 (en) | ||
| CN117823412A (en) | Multi-channel lubrication distribution device for high-pressure screw blower | |
| CN210484120U (en) | Automatic lubricated sealed water-cooled fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |