CN201335086Y

CN201335086Y - Diesel engine crankshaft thrust plate

Info

Publication number: CN201335086Y
Application number: CNU2008202333396U
Authority: CN
Inventors: 张直诚; 李红珍; 刘宏; 王慧
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-10-28
Anticipated expiration: 2018-12-30

Abstract

The utility model discloses a diesel engine crankshaft thrust plate, which comprises an upper thrust plate and a lower thrust plate, wherein the upper thrust plate is provided with four oil channels; the lower thrust plate is also provided with four oil channels; the bottom of each oil channel is inclined; from the inside to the outside, the oil channel gradually becomes shallow; the section of the oil channel is shaped like a circular arc; the working surfaces of the upper and the lower thrust plates are friction surfaces which are processed by shot blasting; and both the contact surfaces of the upper and the lower thrust plates are inclined surfaces. The utility model has the following advantages: (1) since both the upper and the lower thrust plates are provided with the four oil channels and the working surfaces are the friction surfaces processed by shot blasting, the lubrication of the friction surfaces is greatly improved, the abrasion of the thrust plate is reduced, and the service life of the thrust plate is prolonged; (2) since both the contact surfaces of the upper and the lower thrust plates are the inclined surfaces, the upper and the lower thrust plates can be prevented from being mounted reversely.

Description

The crankshaft of diesel engine thrust plate

Technical field

The utility model relates to a kind of thrust plate, particularly a kind of crankshaft of diesel engine thrust plate.

Background technique

In diesel engine when work,, bent axle extends owing to expanded by heating or can produce by the axial force of helical gear and clutch etc. and moves axially, and thrust plate need be set between bent axle and body, makes the relative and body of bent axle can freely do thermal expansion vertically.

Thrust plate is the strength member of control bent axle axial clearance in the diesel engine, is a kind of sliding bearing that bears thrust load, and general " bimetal " made that adopts promptly is made of steel backing plus-minus break-in gold double layer of metal.The wearing and tearing of antifriction alloy layer, fatigue flake meeting cause the damage of diesel engine.

Because the thrust plate structure of WD615 diesel engine is symmetrical at present, often appearance assembling or maintenance fashionable dress are anti-, make the direct dry friction of steel backing and bent axle, cause thrust plate to lose efficacy.

Summary of the invention

Problem to be solved in the utility model is: provide a kind of and can reduce the thrust plate wearing and tearing, can prevent again thrust anti-WD615 crankshaft of diesel engine thrust plate on chip.

In order to solve the problems of the technologies described above, crankshaft of diesel engine thrust plate of the present utility model comprises thrust plate and following thrust plate, and described last thrust plate is provided with four road oil grooves, also is provided with four road chutes on the described following thrust plate; The described working surface of going up thrust plate and following thrust plate is the rubbing surface through shot blast.

In order to prevent that with thrust anti-crankshaft of diesel engine thrust plate on chip the described surface of contact of going up thrust plate and following thrust plate is the inclined-plane.

In order to play lubrication effect and convenient processing, described oil groove bottom surface is oblique, is shoaled gradually by inboard to the outside oil groove degree of depth, and the oil groove cross section is a circular arc.

The beneficial effect that the utility model is obtained is: (1) is gone up on thrust plate and the following thrust plate and is equipped with four road oil grooves, working surface is the rubbing surface through shot blast, therefore improve the lubrication state of rubbing surface greatly, reduced the wearing and tearing of thrust plate, improved the working life of thrust plate; (2) upward the surface of contact of thrust plate and following thrust plate is the inclined-plane, has avoided when installing thrust is on chip instead up and down.

Description of drawings

Fig. 1 is the structural representation of existing diesel crankshaft thrust collar.

Fig. 2 is embodiment 1 a plan view.

Fig. 3 is embodiment 1 a left view.

Fig. 4 is embodiment 2 a plan view.

Fig. 5 is embodiment 2 a left view.

Among the figure: 1, oil groove, 2, go up thrust plate, 3, thrust plate down, 4, rubbing surface, 5, surface of contact.

Embodiment

Embodiment 1

As shown in Figures 2 and 3, crankshaft of diesel engine thrust plate of the present utility model comprises thrust plate 2 and following thrust plate 3, and described last thrust plate 2 is provided with four road oil grooves 1, also is provided with four road oil grooves 1 on the described following thrust plate 3; The described working surface of going up thrust plate 2 and following thrust plate 3 is the rubbing surface 4 through shot blast; Described oil groove bottom surface is oblique, is shoaled gradually by inboard to the outside oil groove degree of depth, and the oil groove cross section is a circular arc.

As shown in Figure 1, existing thrust plate comprises thrust plate 2 and following thrust plate 3, respectively is provided with two rectangular oil grooves 1 on last thrust plate 2 and the following thrust plate 3.

Compare with existing thrust plate, crankshaft of diesel engine thrust plate of the present utility model is describedly gone up thrust plate 2 and following thrust plate 3 respectively is provided with four road oil grooves 1, and the oil groove bottom surface is oblique, is shoaled gradually by inboard to the outside oil groove degree of depth, and the oil groove cross section is a circular arc; In addition, the working surface of last thrust plate 2 and following thrust plate 3 is the rubbing surfaces 4 through shot blast; Therefore, help on the working surface of thrust plate, forming oil film, thereby improved the lubrication state of rubbing surface greatly, reduced the wearing and tearing of thrust plate, improved the working life of thrust plate.

Embodiment 2

As shown in Figure 4 and Figure 5, crankshaft of diesel engine thrust plate of the present utility model, the described surface of contact 5 of going up thrust plate 2 and following thrust plate 3 is the inclined-plane, therefore, when thrust plate is installed, can prevent last thrust plate 2 and following thrust plate 3 dresses anti-.Other structure and purposes are substantially the same manner as Example 1.

Claims

1. a crankshaft of diesel engine thrust plate comprises thrust plate (2) and following thrust plate (3), it is characterized in that: described last thrust plate (2) is provided with four road oil grooves (1), also is provided with four road oil grooves (1) on the described following thrust plate (3); The described working surface of going up thrust plate (2) and following thrust plate (3) is the rubbing surface (4) through shot blast.

2. crankshaft of diesel engine thrust plate according to claim 1 is characterized in that: the described surface of contact (5) of going up thrust plate (2) and following thrust plate (3) is the inclined-plane.

3. crankshaft of diesel engine thrust plate according to claim 1 and 2 is characterized in that: oil groove (1) bottom surface tilts, and is reduced gradually by inboard to the outside oil groove degree of depth, and oil groove (1) cross section is a circular arc.