CN205298478U - Locomotive driving system - Google Patents

Abstract

An embodiment of the utility model provides a locomotive driving system for the intensity of solving engineering plastics among the prior art is but incomparable to support bearing's problem, and it includes an engine box, a pivot and a variable -speed motor case lid. The pivot sets up among this engine box. The variable -speed motor case lid includes a rigid support frame and a plastic housing. This plastic housing is with injection molding's mode cladding this rigid support frame of part at least, and this rigid support frame lock solid is on this engine box, and a tip of this pivot is supported by this rigid support frame. According to the utility model discloses, because rigid support frame lug connection engine box, consequently it provides the support for the pivot to have sufficient structural rigidity.

Description

Engine power system

Technical field

This utility model is about a kind of engine power system, especially in regard to the engine power system that a kind of structural strength is stronger.

Background technology

For lightweight and the reduction cost of parts of engine, the variable-speed motor case lid change that aluminium alloy is made by prior art is designed as the variable-speed motor case lid of plastic material. But, along with the rotating speed of engine improves, the axle portion of continuous variable speed machine supports, beam type support and change the support of freely-supported beam type into, to improve axle portion rigidity. Freely-supported beam type is supported in the both sides of axle all needs bearing, and one of them bearing is arranged on variable-speed motor case lid. But, the intensity of engineering plastics is but not enough to spring bearing.

Utility model content

This utility model provides a kind of engine power system, for solving the problem that in prior art, the intensity of engineering plastics is but not enough to spring bearing.

Engine power system of the present utility model includes an engine casing, a rotating shaft and a variable-speed motor case lid. Rotating shaft is arranged among this engine casing. Variable-speed motor case lid includes a rigid cage and a plastic casing. This plastic casing is coated with this rigid cage at least part of in the way of ejection formation, and this rigid cage is locked on this engine casing, and the one end of this rotating shaft is supported by this rigid cage.

In one embodiment, this rigid cage includes an annular brace portion, and this end of this rotating shaft extends into this annular brace portion.

In one embodiment, this rigid cage is u-shaped, and including a first paragraph portion, a second segment portion and one the 3rd section of portion, this second segment portion is connected between this first paragraph portion and the 3rd section of portion, and this annular brace portion is shaped on this second segment portion.

In one embodiment, this first paragraph portion includes one first locking part, and the 3rd section of portion includes one second locking part, and this rigid cage is locked on this engine casing through this first locking part and this second locking part.

In one embodiment, this engine power system also includes one first fixture and one second fixture, this rigid cage is locked on this engine casing by this first fixture through this first locking part, and this rigid cage is locked on this engine casing by this second fixture through this second locking part.

In one embodiment, this plastic casing includes one first connecting portion, and this first fixture is also cross this first connecting portion and this first locking part, and this rigid cage and this plastic casing is locked on this engine casing.

In one embodiment, this second locking part of this rigid cage is not coated with by this plastic casing.

In one embodiment, this rotating shaft is a power output shaft, and this engine power system also includes an inner bearing and an outer bearing, this inner bearing and this outer bearing and supports this rotating shaft, and this inner bearing is located among this engine casing, and this outer bearing connects this rigid cage.

In one embodiment, this engine power system also includes a locating ring, wherein, this outer bearing is located among this annular brace portion, this locating ring is sheathed on this rotating shaft, and with this annular brace portion tabling, this outer bearing is located between this locating ring and an inwall in this annular brace portion.

In one embodiment, this rotating shaft is a crank axle.

In this utility model, owing to rigid cage is directly connected to engine casing, therefore having enough structural rigidities provides support for rotating shaft. Additionally, due to this plastic casing is coated with this rigid cage at least part of in the way of ejection formation, therefore plastic casing and rigid cage are combined closely. In one embodiment, the material thickness of this rigid cage is about 2 millimeters, this plastic casing is coated on the material thickness of the plastics of this rigid cage outer surface and is about 1 millimeter, and this plastic casing is coated on the material thickness of the plastics of this rigid cage inner surface and is about 1 millimeter. Be not coated with the embodiment of this rigid cage in the way of ejection formation compared to this plastic casing, the space configuration of the variable-speed motor case lid of this utility model one embodiment can be contracted by. Additionally, due to the space configuration of variable-speed motor case lid is contracted by, the engine power system of this utility model embodiment separately has the advantage that angle of heel is bigger, allow locomotive when crossing curved with excessively curved compared with the angle of ground proximity, thus improved curved speed.

Accompanying drawing explanation

Figure 1A shows the explosive view of the engine power system of this utility model first embodiment.

Figure 1B shows the constitutional diagram of the engine power system of this utility model first embodiment.

Fig. 1 C shows 1C-1C ' the directional profile figure in Figure 1B.

Fig. 1 D shows the angle of heel of the engine power system of this utility model first embodiment.

Fig. 2 shows the engine power system of this utility model the second embodiment.

Fig. 3 A shows the constitutional diagram of the engine power system of this utility model the 3rd embodiment.

Fig. 3 B shows 3B-3B ' the directional profile figure in Fig. 3 A.

[symbol description]

10��engine casing

20,20 '��rotating shaft

30��variable-speed motor case lid

31��plastic casing

311��the first connecting portions

312��the second connecting portions

32��rigid cage

321��first paragraph portion

322��second segment portion

323��three section of portion

324��annular brace portion

325��the first locking parts

326��the second locking parts

41��the first fixtures

42��the second fixtures

51��inner bearing

52��outer bearing

53��locating ring

�ȡ�inclination angle

Detailed description of the invention

Understand for the ease of persons skilled in the art and realize this utility model, describing embodiment of the present utility model in conjunction with accompanying drawing.

Figure 1A shows the explosive view of the engine power system of this utility model first embodiment, and Figure 1B shows that the constitutional diagram of the engine power system of this utility model first embodiment, Fig. 1 C show 1C-1C ' the directional profile figure in Figure 1B. With reference to 1A, 1B and 1C figure, the engine power system of this utility model first embodiment includes engine casing 10, rotating shaft 20 and a variable-speed motor case lid 30.Rotating shaft 20 is arranged among this engine casing 10. Variable-speed motor case lid 30 includes rigid cage 32 and a plastic casing 31. This plastic casing 31 is coated with this rigid cage 32 at least part of in the way of ejection formation, and this rigid cage 32 is locked on this engine casing 10, and the one end of this rotating shaft 20 is supported by this rigid cage 32.

With reference to Figure 1A, Figure 1B, this rigid cage 32 includes an annular brace portion 324. With reference to Fig. 1 C, this end of this rotating shaft 20 extends into this annular brace portion 324.

With reference to Figure 1A, Figure 1B and Fig. 1 C, for thin portion structure, this rigid cage 32 is u-shaped, including a second segment portion of first paragraph portion 321, one 322 and one the 3rd section of portion 323, this second segment portion 322 is connected between this first paragraph portion 321 and the 3rd section of portion 323, and this annular brace portion 324 is shaped on this second segment portion 322. In this embodiment, this first paragraph portion 321 includes one first locking part 325, and the 3rd section of portion 323 includes one second locking part 326, and this rigid cage 32 is locked on this engine casing 10 through this first locking part 325 and this second locking part 326.

The profile of this rigid cage 32 can appropriateness adjust, as shown in Fig. 1 C, compared to this Figure 1A, this first paragraph portion 321 of Fig. 1 C embodiment, this second segment portion 322 and the 3rd section of portion 323 also can include inclined design, in addition, the thickness also adjustable of this first locking part 325 and this second locking part 326, above-mentioned exposure is not limiting as this utility model.

With reference to Fig. 1 C, in one embodiment, this engine power system also includes one first fixture 41 and one second fixture 42, this rigid cage 32 is locked on this engine casing 10 through this first locking part 325 by this first fixture 41, and this rigid cage 32 is locked on this engine casing 10 by this second fixture 42 through this second locking part 326. In this embodiment, this plastic casing 31 includes one first connecting portion 311 and the second connecting portion 312, this first fixture is also cross this first connecting portion 311 and this first locking part 325, and this rigid cage 32 and this plastic casing 31 is locked on this engine casing 10 simultaneously; This second fixture is also cross this second connecting portion 312 and this second locking part 326, and this rigid cage 32 and this plastic casing 31 is locked on this engine casing 10 simultaneously. In this embodiment, this rigid cage 32 is coated with by this plastic casing 31 completely.

With reference to Figure 1A, in this embodiment, this rotating shaft 20 is a power output shaft. With reference to Fig. 1 C, this engine power system also includes inner bearing 51 and an outer bearing 52, and this inner bearing 51 and this outer bearing 52 support this rotating shaft 20, and this inner bearing 51 is located among this engine casing 10, and this outer bearing 52 connects this rigid cage 32. In this embodiment, this engine power system also includes a locating ring 53, wherein, this outer bearing 52 is located among this annular brace portion 324, this locating ring 53 is sheathed on this rotating shaft 20, and with this annular brace portion 324 tabling, this outer bearing 52 is located between this locating ring 53 and an inwall in this annular brace portion 324. In one embodiment, this locating ring 53 can be C-shaped ring. In this embodiment, this annular brace portion 324 protrudes from the outside of this rigid cage 32.

In the above-described embodiments, this engine casing 10 is rigid structure, and its material can be, for instance, metal.The material of this rigid cage 32 can also be metal, such as aluminium alloy. In this embodiment, owing to rigid cage 32 is directly connected to engine casing 10, therefore having enough structural rigidities provides support for rotating shaft 20. Additionally, due to this plastic casing 31 is coated with this rigid cage 32 at least part of in the way of ejection formation, therefore plastic casing 31 and rigid support 32 frame are combined closely. In one embodiment, the material thickness of this rigid cage 32 is about 2 millimeters, the material thickness of the plastics that this plastic casing 31 is coated on this rigid cage 32 outer surface is about 1 millimeter, and the material thickness of the plastics that this plastic casing 31 is coated on this rigid cage 32 inner surface is about 1 millimeter. Be not coated with the embodiment of this rigid cage 32 in the way of ejection formation compared to this plastic casing 31, the space configuration of the variable-speed motor case lid 30 of this utility model first embodiment can be contracted by. Additionally, with reference to Fig. 1 D, be contracted by owing to the space of variable-speed motor case lid configures, the engine power system of this utility model embodiment separately has the advantage that angle of heel �� is bigger, allow locomotive when crossing curved with excessively curved compared with the angle of ground proximity, thus improved curved speed.

With reference to Fig. 2, the engine power system of its display this utility model the second embodiment. In this embodiment, this first locking part 325 and this second locking part 326 are exposed to outside this plastic casing 31, this first fixture 41 is through this first locking part 325, this second fixture 42 is through this second locking part 326, and this rigid cage 32 is locked on this engine casing 10. In this embodiment, this rigid cage 32 only part is coated with by this plastic casing 31.

Fig. 3 A shows the constitutional diagram of the engine power system of this utility model the 3rd embodiment. Fig. 3 B shows 3B-3B ' the directional profile figure in Fig. 3 A. With reference to 3A and 3B figure, in this embodiment, this rotating shaft 20 ' is a crank axle.

This engine power system also includes an outer bearing 52, and this outer bearing 52 supports this rotating shaft 20 ', and this outer bearing 52 connects this rigid cage 32. In this embodiment, this engine power system also includes a locating ring 53, wherein, this outer bearing 52 is located among this annular brace portion 324, this locating ring 53 is sheathed on this rotating shaft 20 ', and with this annular brace portion 324 tabling, this outer bearing 52 is located between this locating ring 53 and an inwall in this annular brace portion 324. In this embodiment, this annular brace portion 324 protrudes from the inner side of this rigid cage 32.

Although depicting this utility model by embodiment, but skilled addressee will appreciate that, when without departing from spirit of the present utility model and essence, so that it may making this utility model have many deformation and change, scope of the present utility model is limited to the appended claims.

Claims (10)

1. an engine power system, it is characterised in that including:

One engine casing;

One rotating shaft, is arranged among this engine casing; And

One variable-speed motor case lid, including:

One rigid cage, and

One plastic casing, wherein, this plastic casing is coated with this rigid cage at least part of in the way of ejection formation, and this rigid cage is locked on this engine casing, and the one end of this rotating shaft is supported by this rigid cage.

2. engine power system as claimed in claim 1, it is characterised in that this rigid cage includes an annular brace portion, and this end of this rotating shaft extends into this annular brace portion.

3. engine power system as claimed in claim 2, it is characterized in that, this rigid cage is u-shaped, including a first paragraph portion, a second segment portion and one the 3rd section of portion, this second segment portion is connected between this first paragraph portion and the 3rd section of portion, and this annular brace portion is shaped on this second segment portion.

4. engine power system as claimed in claim 3, it is characterized in that, this first paragraph portion includes one first locking part, and the 3rd section of portion includes one second locking part, and this rigid cage is locked on this engine casing through this first locking part and this second locking part.

5. engine power system as claimed in claim 4, it is characterized in that, this system also includes one first fixture and one second fixture, this rigid cage is locked on this engine casing by this first fixture through this first locking part, and this rigid cage is locked on this engine casing by this second fixture through this second locking part.

6. engine power system as claimed in claim 5, it is characterized in that, this plastic casing includes one first connecting portion, and this first fixture is also cross this first connecting portion and this first locking part, and this rigid cage and this plastic casing is locked on this engine casing.

7. engine power system as claimed in claim 5, it is characterised in that this second locking part of this rigid cage is not coated with by this plastic casing.

8. engine power system as claimed in claim 5, it is characterized in that, this rotating shaft is a power output shaft, this engine power system also includes an inner bearing and an outer bearing, this inner bearing and this outer bearing support this rotating shaft, this inner bearing is located among this engine casing, and this outer bearing connects this rigid cage.

9. engine power system as claimed in claim 8, it is characterized in that, this system also includes a locating ring, this outer bearing is located among this annular brace portion, this locating ring is sheathed on this rotating shaft, and with this annular brace portion tabling, this outer bearing is located between this locating ring and an inwall in this annular brace portion.

10. engine power system as claimed in claim 5, it is characterised in that this rotating shaft is a crank axle.