CN204691899U - A kind of diesel engine train of gearings - Google Patents
A kind of diesel engine train of gearings Download PDFInfo
- Publication number
- CN204691899U CN204691899U CN201520238056.0U CN201520238056U CN204691899U CN 204691899 U CN204691899 U CN 204691899U CN 201520238056 U CN201520238056 U CN 201520238056U CN 204691899 U CN204691899 U CN 204691899U
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- gear
- injection pump
- gearings
- crankshaft
- timing gear
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Abstract
The utility model discloses a kind of diesel engine train of gearings, comprise gear chamber, the crankshaft timing gear that can be arranged on engine crankshaft end is provided with in gear chamber, the camshaft timing gear of engine cam shaft end can be arranged on, crankshaft timing gear and camshaft timing gear are meshed, the end face that gear chamber presses close to engine body offers mounting hole and the flange plate for installing Injection Pump is installed at this place, flange plate offers the eccentric opening that can pass through for Injection Pump rotating shaft, the fuel injection pump gear that can be arranged in Injection Pump rotating shaft is provided with in gear chamber, fuel injection pump gear is meshed with camshaft timing gear.The utility model adopts individual layer gear drive, its compact structure, and transmission is simple, and reliability is high; When carrying out engine secondary exploitation without the need to redesigning train of gearings and changing housing construction, thus using manpower and material resources sparingly, shortening secondary development period.
Description
Technical field
The utility model relates to a kind of diesel engine train of gearings.
Background technique
Every a motor, all needs the velocity ratio needed for each component, the transfer gear train of supporting correspondence.The existing train of gearings for electronic controlled diesel adopts double-deck or multi-layer gear driving, and the axial length of motor is increased, and the weight of complete machine increases.In addition, the Injection Pump of motor is all directly be installed in gear chamber, when needing the Injection Pump mating different speed ratio requirement in secondary development, need to gear chamber even body do corresponding change, development cost is higher, and the construction cycle is long.
Summary of the invention
The purpose of this utility model is to provide a kind of diesel engine train of gearings, and this diesel engine train of gearings adopts individual layer gear drive and speed ratio adjusts flexibly when secondary development.
For achieving the above object, the utility model comprises gear chamber, its structural feature is provided with the crankshaft timing gear that can be arranged on engine crankshaft end in gear chamber, the camshaft timing gear of engine cam shaft end can be arranged on, crankshaft timing gear and camshaft timing gear are meshed, the end face that gear chamber presses close to engine body offers mounting hole and the flange plate for installing Injection Pump is installed at this place, flange plate offers the eccentric opening that can pass through for Injection Pump rotating shaft, the fuel injection pump gear that can be arranged in Injection Pump rotating shaft is provided with in gear chamber, fuel injection pump gear is meshed with camshaft timing gear.
Described crankshaft timing gear comprises the gear parts that is meshed with camshaft timing gear and the flange part for Flywheel, and gear parts and flange part are structure as a whole.
Described crankshaft timing gear is provided with and can forms the endoporus of interference fit with crankshaft end, and flange part uniform ring on its flanged surface of crankshaft timing gear is furnished with multiple tapped hole for Flywheel.
The center of described fuel injection pump gear offers and can form the taper hole of interference fit with Injection Pump rotating shaft.
Be provided with the air compressor gear that can be arranged in air compressor rotating shaft in described gear chamber, air compressor gear is driven by crankshaft timing gear.
The center portion of described air compressor gear offers and can form the taper hole of interference fit with air compressor rotating shaft.
Be rotatablely equipped with intermediate gear in described gear chamber, intermediate gear is meshed with crankshaft timing gear, and air compressor gear is meshed with intermediate gear.
Described intermediate gear comprises the number of teeth and the master gear that fit together and pinion identical with modulus, the master gear fit together and pinion are coaxially arranged, the gear teeth of master gear and pinion stagger certain angle, the fluted disc of master gear and pinion is provided with multiple pin jack running through two fluted discs around its axis uniform ring, the number of pin jack is no less than three, be fitted with elastic sleeve in pin jack, in the center hole of elastic sleeve, be fitted with pin.
Described camshaft timing gear is positioned at position on the upper side on the right side of crankshaft timing gear, fuel injection pump gear is positioned at position on the lower side on the right side of camshaft timing gear, intermediate gear is positioned at position on the upper side on the left of crankshaft timing gear, and air compressor gear is positioned at the left side of intermediate gear.
After adopting said structure, crankshaft timing gear of the present utility model can be arranged on the end of bent axle, rotate with engine crankshaft, the camshaft timing gear that the rotating drive of crankshaft timing gear is engaged with rotates, thus order about the gas distribution system work of motor, the fuel injection pump gear that the rotating drive of camshaft timing gear is engaged with rotates, thus order about oil-fired system work, engaging each other of each gear can ensure that it runs according to correct rotating ratio, this kind of train adopts individual layer gear drive, its compact structure, transmission is simple, and reliability is high, the end face of gear chamber offers mounting hole and at this place's mounting flange, flange plate is provided with eccentric opening, Injection Pump can be installed on flange plate, Injection Pump rotating shaft extend in gear chamber by the eccentric opening be located on flange plate, and fuel injection pump gear is arranged in the Injection Pump rotating shaft stretched in gear chamber, need when carrying out secondary development to improve its oil-fired system, therefore the Injection Pump mating different rotating speeds requirement is needed, after adopting said structure, fuel injection pump gear by directly changing the different number of teeth realizes, owing to flange plate have employed eccentric opening structure, now only need change the setting angle of flange plate, fuel injection pump gear after replacing and camshaft timing gear still can keep good engagement, if the number of teeth of fuel injection pump gear changes larger, also only the flange plate matched need be changed, and new train of gearings need not be redesigned or change housing construction, thus use manpower and material resources sparingly, shorten secondary development period.Crankshaft timing gear comprises the gear parts that is meshed with camshaft timing gear and the flange part for Flywheel, and gear parts and flange part are structure as a whole, and gear parts participates in engagement, and flange part is for connecting flywheel; Crankshaft timing gear is provided with endoporus, and for connecting bent axle, the flange part of crankshaft timing gear is provided with multiple tapped hole, connects flywheel by bolt of flywheel; Fuel injection pump gear offers taper hole, and the mode connected by adopting conical surface interference connects Injection Pump rotating shaft, connects reliably, is convenient to dismounting; Be provided with air compressor gear in gear chamber, drive air compressor work by this train of gearings, without the need to additionally arranging drive unit on engine body, can taking space be reduced, make compact structure; Taper hole offered by air compressor gear, and the mode connected by adopting conical surface interference connects air compressor rotating shaft, connects reliably, is convenient to dismounting; Be rotatablely equipped with intermediate gear in gear chamber, regulate transmission direction between crankshaft timing gear and air compressor gear and rotating ratio by intermediate gear, flexibility and reliability; Intermediate gear employing master gear and pinion are affixed the structure that merga pass pin is connected with elastic sleeve, and the compound gear of formation, when with other meshed transmission gear, can be eliminated the teeth directional gap of gear, avoid transmission to impact, and make transmission more steady, reduce noise; Arranged by rational position, this train can with the gas distribution system of motor, oil-fired system etc. formed good coordinate and effective mate of this each gear of train in same plane, make the connection and reasonable arrangement of this train, compact structure.
In sum, the utility model adopts individual layer gear drive, its compact structure, and transmission is simple, and reliability is high; When carrying out engine secondary exploitation without the need to redesigning train of gearings and changing housing construction, thus using manpower and material resources sparingly, shortening secondary development period.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described in detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the assembly relation schematic diagram of fuel injection pump gear, gear chamber, flange plate, Injection Pump;
Fig. 3 is the structural representation of intermediate gear in the utility model.
Embodiment
With reference to accompanying drawing, this diesel engine train of gearings comprises the gear chamber 1 being located at engine body one end, the end of engine crankshaft and the end of camshaft all extend in gear chamber 1, are provided with the crankshaft timing gear 2 that can be arranged on engine crankshaft end, the camshaft timing gear 3 that can be arranged on engine cam shaft end in gear chamber 1.Crankshaft timing gear 2 comprises the gear parts 21 that is meshed with camshaft timing gear 3 and the flange part 22 for Flywheel, and gear parts 21 and flange part 22 are structure as a whole.Crankshaft timing gear 2 is provided with and can forms the endoporus of interference fit with crankshaft end, and flange part uniform ring on its flanged surface of crankshaft timing gear 2 is furnished with multiple tapped hole for Flywheel.Gear parts 21 and the camshaft timing gear 3 of crankshaft timing gear 2 are meshed.The end face that gear chamber 1 presses close to engine body offers mounting hole 4 and the flange plate 5 for installing Injection Pump 13 is installed at this place, flange plate 5 offers the eccentric opening 51 that can pass through for Injection Pump rotating shaft 131, Injection Pump rotating shaft 131 extend in gear chamber by eccentric opening 51, is provided with the fuel injection pump gear 6 that can be arranged in Injection Pump rotating shaft 131 in gear chamber 1.The center of fuel injection pump gear 6 offers and can form the taper hole of interference fit with Injection Pump rotating shaft 131.Fuel injection pump gear 6 is meshed with camshaft timing gear 3.Intermediate gear 8 is rotatablely equipped with in gear chamber 1.As shown in Figure 3, intermediate gear 8 comprises the number of teeth and the master gear 9 that fit together and pinion 10 identical with modulus, the master gear 9 fit together and pinion 10 are coaxially arranged, the gear teeth of master gear 9 and pinion 10 stagger certain angle, the fluted disc of master gear 9 and pinion 10 is provided with around its axis uniform ring the pin jack that four run through two fluted discs, be fitted with elastic sleeve 11 in pin jack, in the center hole of elastic sleeve 11, be fitted with pin 12.Intermediate gear 8 is meshed with crankshaft timing gear 2.Master gear 9 and pinion 10 are affixed the compound gear that merga pass pin 12 and elastic sleeve 11 are joined together to form, and when with other meshed transmission gear, can eliminate the teeth directional gap of gear, avoid transmission to impact, and make transmission more steady, reduce noise.Be provided with the air compressor gear 7 that can be arranged in air compressor rotating shaft in gear chamber 1, the center portion of air compressor gear 7 offers and can form the taper hole of interference fit with air compressor rotating shaft.Air compressor gear 7 is meshed with intermediate gear 8.The position relationship of each gear is as follows in the present embodiment: camshaft timing gear 3 is positioned at position on the upper side on the right side of crankshaft timing gear 2, fuel injection pump gear 6 is positioned at position on the lower side on the right side of camshaft timing gear 3, intermediate gear 8 is positioned at position on the upper side on the left of crankshaft timing gear 2, and air compressor gear 7 is positioned at the left side of intermediate gear 8.
After adopting said structure, crankshaft timing gear 2 of the present utility model can be arranged on the end of bent axle, rotate with engine crankshaft, the camshaft timing gear 3 that the rotating drive of crankshaft timing gear 2 is engaged with rotates, thus order about the gas distribution system work of motor, the fuel injection pump gear 6 that the rotating drive of camshaft timing gear 3 is engaged with rotates, thus orders about oil-fired system work, and engaging each other of each gear can ensure that it runs according to correct rotating ratio, the end face of gear chamber 1 offers mounting hole 4 and at this place's mounting flange 5, flange plate 5 is provided with eccentric opening 51, Injection Pump 13 can be installed on flange plate 5, Injection Pump rotating shaft 131 extend in gear chamber 1 by the eccentric opening 51 be located on flange plate 5, and fuel injection pump gear 6 is arranged in the Injection Pump rotating shaft 131 stretched in gear chamber 1, after adopting this structure, need during secondary development to improve its oil-fired system, the Injection Pump 13 of different rotating speeds requirement should be mated, need when carrying out secondary development to improve its oil-fired system, therefore the Injection Pump 13 mating different rotating speeds requirement is needed, after adopting said structure, fuel injection pump gear 6 by directly changing the different number of teeth realizes, owing to flange plate 5 have employed eccentric opening 51 structure, now only need change the setting angle of flange plate 5, fuel injection pump gear 6 after replacing still can keep good engagement with camshaft timing gear 3, if the number of teeth of fuel injection pump gear 6 changes larger, also only the flange plate 5 matched need be changed, and new train of gearings need not be redesigned or change housing construction.
Claims (9)
1. a diesel engine train of gearings, comprise gear chamber (1), it is characterized in that in gear chamber (1), being provided with the crankshaft timing gear (2) that can be arranged on engine crankshaft end, the camshaft timing gear (3) of engine cam shaft end can be arranged on, crankshaft timing gear (2) and camshaft timing gear (3) are meshed, the end face that gear chamber (1) presses close to engine body offers mounting hole (4) and the flange plate (5) for installing Injection Pump is installed at this place, flange plate (5) offers the eccentric opening (51) that can pass through for Injection Pump rotating shaft, the fuel injection pump gear (6) that can be arranged in Injection Pump rotating shaft is provided with in gear chamber (1), fuel injection pump gear (6) is meshed with camshaft timing gear (3).
2. diesel engine train of gearings as claimed in claim 1, it is characterized in that described crankshaft timing gear (2) comprises the gear parts (21) that is meshed with camshaft timing gear (3) and the flange part (22) for Flywheel, gear parts (21) and flange part (22) are structure as a whole.
3. diesel engine train of gearings as claimed in claim 1, it is characterized in that described crankshaft timing gear (2) is provided with and can form the endoporus of interference fit with crankshaft end, flange part uniform ring on its flanged surface of crankshaft timing gear (2) is furnished with multiple tapped hole for Flywheel.
4. diesel engine train of gearings as claimed in claim 1, it is characterized in that the center of described fuel injection pump gear (6) offers can form the taper hole of interference fit with Injection Pump rotating shaft.
5. diesel engine train of gearings as claimed in claim 1, it is characterized in that being provided with the air compressor gear (7) that can be arranged in air compressor rotating shaft in described gear chamber (1), air compressor gear (7) is driven by crankshaft timing gear (2).
6. diesel engine train of gearings as claimed in claim 5, it is characterized in that the center portion of described air compressor gear (7) offers can form the taper hole of interference fit with air compressor rotating shaft.
7. diesel engine train of gearings as claimed in claim 5, it is characterized in that being rotatablely equipped with intermediate gear (8) in described gear chamber (1), intermediate gear (8) is meshed with crankshaft timing gear (2), and air compressor gear (7) is meshed with intermediate gear (8).
8. diesel engine train of gearings as claimed in claim 7, it is characterized in that described intermediate gear (8) comprises the number of teeth and the master gear that fit together (9) and pinion (10) identical with modulus, the master gear (9) fit together and the coaxial setting of pinion (10), the gear teeth of master gear (9) and pinion (10) stagger certain angle, the fluted disc of master gear (9) and pinion (10) is provided with multiple pin jack running through two fluted discs around its axis uniform ring, the number of pin jack is no less than three, elastic sleeve (11) is fitted with in pin jack, pin (12) is fitted with in the center hole of elastic sleeve (11).
9. diesel engine train of gearings as claimed in claim 7, it is characterized in that described camshaft timing gear (3) is positioned at position on the upper side, crankshaft timing gear (2) right side, fuel injection pump gear (6) is positioned at position on the lower side, camshaft timing gear (3) right side, intermediate gear (8) is positioned at position on the upper side, crankshaft timing gear (2) left side, and air compressor gear (7) is positioned at the left side of intermediate gear (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238056.0U CN204691899U (en) | 2015-04-18 | 2015-04-18 | A kind of diesel engine train of gearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238056.0U CN204691899U (en) | 2015-04-18 | 2015-04-18 | A kind of diesel engine train of gearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204691899U true CN204691899U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520238056.0U Active CN204691899U (en) | 2015-04-18 | 2015-04-18 | A kind of diesel engine train of gearings |
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| CN (1) | CN204691899U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863911A (en) * | 2016-05-18 | 2016-08-17 | 奇瑞汽车股份有限公司 | Transmission system of high pressure oil pump of diesel engine and assembling method thereof |
| CN106351763A (en) * | 2016-08-25 | 2017-01-25 | 合肥江淮朝柴动力有限公司 | Highly integrated gear chamber of diesel engine |
| CN108223187A (en) * | 2018-03-19 | 2018-06-29 | 安徽全柴动力股份有限公司 | A kind of backgear room with gas oil separation structure |
| CN112513429A (en) * | 2018-05-23 | 2021-03-16 | 康明斯公司 | System and method for fixing a sprocket in an engine |
-
2015
- 2015-04-18 CN CN201520238056.0U patent/CN204691899U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863911A (en) * | 2016-05-18 | 2016-08-17 | 奇瑞汽车股份有限公司 | Transmission system of high pressure oil pump of diesel engine and assembling method thereof |
| CN105863911B (en) * | 2016-05-18 | 2018-11-16 | 奇瑞汽车股份有限公司 | A kind of transmission system and its assemble method of diesel engine high-pressure oil pump |
| CN106351763A (en) * | 2016-08-25 | 2017-01-25 | 合肥江淮朝柴动力有限公司 | Highly integrated gear chamber of diesel engine |
| CN108223187A (en) * | 2018-03-19 | 2018-06-29 | 安徽全柴动力股份有限公司 | A kind of backgear room with gas oil separation structure |
| CN108223187B (en) * | 2018-03-19 | 2023-09-26 | 安徽全柴动力股份有限公司 | Rear gear chamber with oil-gas separation structure |
| CN112513429A (en) * | 2018-05-23 | 2021-03-16 | 康明斯公司 | System and method for fixing a sprocket in an engine |
| US11746859B2 (en) | 2018-05-23 | 2023-09-05 | Cummins Inc. | System and method for a captive sprocket in an engine |
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| GR01 | Patent grant |