CN210152781U - Engine power distribution structure - Google Patents
Engine power distribution structure Download PDFInfo
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- CN210152781U CN210152781U CN201921034481.2U CN201921034481U CN210152781U CN 210152781 U CN210152781 U CN 210152781U CN 201921034481 U CN201921034481 U CN 201921034481U CN 210152781 U CN210152781 U CN 210152781U
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- gear
- plunger pump
- flywheel
- air pump
- spline
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Abstract
The utility model relates to the technical field of engine, a engine power distribution structure is disclosed, flywheel shell and flywheel shell linking chamber including fixed connection, the power intracavity that flywheel shell and flywheel shell linking chamber formed is equipped with gear drive system, flywheel end power take-off system, plunger pump power take-off system and air pump power take-off system. On the basis of power output of a traditional engine, power output of a plunger pump and power output of an air pump are increased, so that market demands can be better met; the reliability of the transmission system can be effectively improved and the failure rate can be reduced while the installation and arrangement space is saved; and compared with the original belt transmission, the gear transmission system has the advantage that the mechanical efficiency is obviously improved.
Description
The technical field is as follows:
the utility model relates to an engine technical field, concretely relates to engine power distribution structure, the structure of the portable for machinery diesel engine rear end output of specially adapted non-road.
Background art:
with the rapid development of national economy in China, the use requirements of various industries on non-road mobile machinery are higher and higher. The number of accessories required for engines in main engine plants is increasing, such as plunger pumps, air pumps, etc. Plunger pump, the air pump all needs a power supply to order about its normal work, under the general condition, plunger pump, the air pump respectively is connected with a drive wheel of being connected with the band pulley of fixing at the bent axle, the drive wheel of being connected with plunger pump, air pump is generally through the belt with fix the epaxial band pulley of bent and be connected, in order to guarantee the independence of each power supply, and be equipped with many belts, many belt layers set up, and the belt skids easily, phenomenons such as ageing, the system is unstable, the fault rate is higher, can not satisfy the demand in market.
The utility model has the following contents:
the utility model aims at overcoming the defects of the prior art and providing an engine power distribution structure which increases the power output of a plunger pump and the power output of an air pump on the basis of the power output of the traditional engine and can better meet the market demand; the reliability of the transmission system can be effectively improved and the failure rate can be reduced while the installation and arrangement space is saved; and compared with the original belt transmission, the gear transmission system has the advantage that the mechanical efficiency is obviously improved.
The utility model provides a technical problem's scheme is:
an engine power distribution structure comprises a flywheel shell and a flywheel shell connecting chamber which are fixedly connected, wherein a power cavity formed by the flywheel shell and the flywheel shell connecting chamber is internally provided with a gear transmission system, a flywheel end power output system, a plunger pump power output system and a gas pump power output system;
the gear transmission system comprises a rear crankshaft gear, a plunger pump gap bridge gear and a plunger pump air pump gear, and the rear crankshaft gear and the plunger pump air pump gear are meshed with the plunger pump gap bridge gear;
the flywheel end power output system comprises a flywheel fixedly connected with a rear crankshaft gear, the flywheel is arranged in a flywheel shell, and the rear crankshaft gear is fixedly connected with a crankshaft;
the plunger pump power output system comprises a spline hole formed in a plunger pump air pump gear, and the spline hole is matched with an outer wall spline at the end part of an input shaft of the plunger pump;
the air pump power output system comprises an air pump gear spline housing which is fixedly connected with the plunger pump gear coaxially, and an inner wall spline of the air pump gear spline housing is matched with an outer wall spline of the end part of the input shaft of the air pump.
The rear crankshaft gear is hinged to the flywheel shell through a fourth bearing;
the plunger pump gap bridge gear is hinged to the middle of the plunger pump gap bridge gear shaft through a third bearing, and two ends of the plunger pump gap bridge gear shaft are respectively inserted and sleeved and fixed on the flywheel housing and the flywheel housing connecting chamber;
one end of the plunger pump air pump gear is hinged to the flywheel shell through a first bearing, and the other end of the plunger pump air pump gear is hinged to the flywheel shell connecting chamber through a second bearing.
And oil ducts for lubricating the third bearing are arranged in the flywheel housing connecting chamber and the plunger pump bridge gear shaft.
The spline hole on the plunger pump air pump gear and the end spline of the input shaft of the plunger pump belong to SAE splines.
The plunger pump air pump gear is close to the tip shaping of air pump gear spline housing and has a plurality of breach grooves, the shaping has a plurality of protruding teeth with breach groove matched with on the outer wall of air pump gear spline housing, the protruding tooth plug bush is in the breach groove.
The transmission ratio between the rear crankshaft gear and the plunger pump air pump gear is 1: 1.
The utility model discloses an outstanding effect is:
compared with the prior art, the power output of the plunger pump and the power output of the air pump are increased on the basis of the power output of the traditional engine, so that the market demand can be better met; the reliability of the transmission system can be effectively improved and the failure rate can be reduced while the installation and arrangement space is saved; and compared with the original belt transmission, the gear transmission system has the advantage that the mechanical efficiency is obviously improved.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the plunger pump air pump gear of the present invention;
FIG. 3 is a top view of FIG. 1, where A is a flywheel end power take off system and B is a plunger pump power take off system;
FIG. 4 is a partial bottom plan view of FIG. 1, wherein C is an air pump power take off system;
fig. 5 is a partial enlarged view of fig. 1 with respect to D.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 5, an engine power distribution structure comprises a flywheel housing 4 and a flywheel housing connecting chamber 11 which are fixedly connected, wherein a power cavity formed by the flywheel housing 4 and the flywheel housing connecting chamber 11 is internally provided with a gear transmission system, a flywheel end power output system, a plunger pump power output system and a gas pump power output system;
the gear transmission system comprises a rear crankshaft gear 3, a plunger pump bridge gear 2 and a plunger pump air pump gear 1, and the rear crankshaft gear 3 and the plunger pump air pump gear 1 are both meshed with the plunger pump bridge gear 2;
the flywheel end power output system comprises a flywheel 8 fixedly connected with a rear crankshaft gear 3, the flywheel 8 is arranged in a flywheel shell 4, and the rear crankshaft gear 3 is fixedly connected with a crankshaft;
the plunger pump power output system comprises a spline hole 13 formed in the plunger pump air pump gear 1, and the spline hole 13 is matched with an outer wall spline at the end part of the input shaft of the plunger pump;
the air pump power output system comprises an air pump gear spline housing 10 which is fixedly connected with the plunger pump gear 1 in a coaxial mode, and an inner wall spline of the air pump gear spline housing 10 is matched with an outer wall spline of the end portion of the input shaft of the air pump.
Furthermore, the rear crankshaft gear 3 is hinged on the flywheel housing 4 through a fourth bearing 9;
the plunger pump gap bridge gear 2 is hinged to the middle of a plunger pump gap bridge gear shaft 12 through a third bearing 7, and two ends of the plunger pump gap bridge gear shaft 12 are respectively inserted and sleeved and fixed on the flywheel housing 4 and the flywheel housing connecting chamber 11;
one end of the plunger pump air pump gear 1 is hinged to the flywheel housing 4 through a first bearing 5, and the other end of the plunger pump air pump gear 1 is hinged to the flywheel housing connecting chamber 11 through a second bearing 6.
Further, the inside of the flywheel housing joint chamber 11 and the inside of the plunger pump carrier shaft 12 are provided with oil passages 14 for lubricating the third bearing 7.
Furthermore, the spline hole 13 on the plunger pump air pump gear 1 and the end spline of the input shaft of the plunger pump belong to SAE splines, wherein the spline specification of the spline hole 13 is SAE13, the diameter section 16/32, the pressure angle is 30 degrees, the number of teeth is 13, the diameter of the small diameter is 19.134-19.404 mm, and the diameter of the large diameter is 22.225-22.495 mm.
Furthermore, a plurality of notch grooves 15 are formed at the end part, close to the spline housing 10, of the air pump gear of the plunger pump air pump gear 1, a plurality of convex teeth matched with the notch grooves 15 are formed on the outer wall of the spline housing 10 of the air pump gear, and the convex teeth are inserted in the notch grooves 15.
Furthermore, the transmission ratio between the rear crankshaft gear 3 and the plunger pump air pump gear 1 is 1: 1, wherein the number of teeth of the plunger pump air pump gear is 52, the number of teeth of the plunger pump bridge gear is 58, the number of teeth of the rear crankshaft gear is 52, the normal modulus of each tooth is 3, and the pressure angle is 20 degrees.
The working principle is as follows: the engine crankshaft drives the rear crankshaft gear 3 to rotate, the rear crankshaft gear 3 drives the flywheel 8 to rotate, and the flywheel 8 transmits power to the gearbox; simultaneously, the rear crankshaft gear 3 drives the plunger pump bridge gear 2 to rotate, the plunger pump bridge gear 2 drives the plunger pump air pump gear 1 to rotate, the plunger pump air pump gear 1 drives the plunger pump to work through spline connection through a spline hole 13, meanwhile, the plunger pump air pump gear 1 drives the air pump gear spline housing 10 to synchronously rotate, and the air pump gear spline housing 10 drives the air pump to work through spline connection; the transmission ratio between the rear crankshaft gear 3 and the plunger pump air pump gear 1 is set to be 1: 1, so that the plunger pump can be ensured to have high output power, good reliability, stable performance and low failure rate.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (6)
1. An engine power distribution structure, includes flywheel casing (4) and flywheel casing joint chamber (11) of fixed connection, its characterized in that: a power cavity formed by the flywheel housing (4) and the flywheel housing connecting chamber (11) is internally provided with a gear transmission system, a flywheel end power output system, a plunger pump power output system and a gas pump power output system;
the gear transmission system comprises a rear crankshaft gear (3), a plunger pump bridge gear (2) and a plunger pump air pump gear (1), and the rear crankshaft gear (3) and the plunger pump air pump gear (1) are meshed with the plunger pump bridge gear (2);
the flywheel end power output system comprises a flywheel (8) fixedly connected with a rear crankshaft gear (3), the flywheel (8) is arranged in a flywheel shell (4), and the rear crankshaft gear (3) is fixedly connected with a crankshaft;
the power output system of the plunger pump comprises a spline hole (13) formed in a plunger pump air pump gear (1), and the spline hole (13) is matched with an outer wall spline at the end part of an input shaft of the plunger pump;
the air pump power output system comprises an air pump gear spline sleeve (10) which is coaxially and fixedly connected with the plunger pump gear (1), and an inner wall spline of the air pump gear spline sleeve (10) is matched with an outer wall spline of the end part of the input shaft of the air pump.
2. An engine power distribution structure according to claim 1, characterized in that: the rear crankshaft gear (3) is hinged to the flywheel shell (4) through a fourth bearing (9);
the plunger pump gap bridge gear (2) is hinged to the middle of a plunger pump gap bridge gear shaft (12) through a third bearing (7), and two ends of the plunger pump gap bridge gear shaft (12) are respectively inserted and fixed on the flywheel housing (4) and the flywheel housing connecting chamber (11);
one end of the plunger pump air pump gear (1) is hinged to the flywheel shell (4) through a first bearing (5), and the other end of the plunger pump air pump gear (1) is hinged to the flywheel shell connecting chamber (11) through a second bearing (6).
3. An engine power distribution structure according to claim 2, characterized in that: and an oil passage (14) for lubricating the third bearing (7) is arranged in the flywheel housing connecting chamber (11) and the plunger pump gap bridge gear shaft (12).
4. An engine power distribution structure according to claim 1, characterized in that: a spline hole (13) on the plunger pump air pump gear (1) and a spline at the end part of an input shaft of the plunger pump belong to SAE splines.
5. An engine power distribution structure according to claim 1, characterized in that: plunger pump air pump gear (1) is close to the tip shaping of air pump gear spline housing (10) has a plurality of breach grooves (15), the shaping has a plurality of and breach groove (15) matched with dogtooth on the outer wall of air pump gear spline housing (10), the dogtooth plug bush is in breach groove (15).
6. An engine power distribution structure according to claim 1, characterized in that: the transmission ratio between the rear crankshaft gear (3) and the plunger pump air pump gear (1) is 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921034481.2U CN210152781U (en) | 2019-07-04 | 2019-07-04 | Engine power distribution structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921034481.2U CN210152781U (en) | 2019-07-04 | 2019-07-04 | Engine power distribution structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210152781U true CN210152781U (en) | 2020-03-17 |
Family
ID=69765220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921034481.2U Active CN210152781U (en) | 2019-07-04 | 2019-07-04 | Engine power distribution structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210152781U (en) |
-
2019
- 2019-07-04 CN CN201921034481.2U patent/CN210152781U/en active Active
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