CN217893058U

CN217893058U - Wheel inner hole sealing mechanism of excavator crawler wheel

Info

Publication number: CN217893058U
Application number: CN202222224881.8U
Authority: CN
Inventors: 黎志; 丘天求; 林奔遥; 杨旺乐; 李辑亭; 吴记伟; 陈树云; 张正球
Original assignee: Yulin City Chuandi Machinary Manufacturing Co ltd
Current assignee: Yulin City Chuandi Machinary Manufacturing Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-25
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a wheel hole sealing mechanism of excavator athey wheel, including the wheel main part, be equipped with the dead eye in the wheel main part, it is equipped with the pivot to pass in the dead eye, the both ends of dead eye are equipped with the support the bearing at pivot both ends, the both ends cover of pivot be equipped with the muddy water oil blanket of the drill way looks adaptation of dead eye, the middle part of dead eye inner wall is equipped with the exhaust hole, the downthehole sealed round pin that is equipped with of exhaust. The utility model discloses a wheel hole sealing mechanism of excavator athey wheel belongs to excavator wheel hole sealing technical field, through setting up the muddy water oil blanket and setting up exhaust hole and seal pin, prevents that outside muddy water of wheel, dust from getting into in the wheel main part, prevents that wheel, bearing and pivot from receiving wearing and tearing, effectively guarantees the life of wheel, bearing and pivot.

Description

Wheel inner hole sealing mechanism of excavator crawler wheel

Technical Field

The utility model relates to an excavator wheel hole sealing technique, more specifically say, it relates to a wheel hole sealing mechanism of excavator athey wheel.

Background

At present, when a wheel inner hole of a crawler wheel of an excavator rotates relative to a rotating shaft, muddy water and sand are easy to enter the wheel inner hole due to the fact that the working environment of the excavator is severe, the wheel and a bearing are easy to wear, the service life is shortened, and accessories need to be frequently replaced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to some not enough of the above-mentioned of prior art, the utility model aims at providing a wheel hole sealing mechanism of excavator athey wheel.

In order to realize the above object, the utility model provides a wheel hole sealing mechanism of excavator athey wheel, including the wheel main part, be equipped with the dead eye in the wheel main part, it is equipped with the pivot to pass in the dead eye, the both ends of dead eye are equipped with the support the bearing at pivot both ends, the both ends cover of pivot be equipped with the muddy water oil blanket of the drill way looks adaptation of dead eye, the middle part of dead eye inner wall is equipped with the exhaust hole, the downthehole sealing pin that is equipped with of exhaust.

Further, the bearing is a tapered roller bearing.

Furthermore, two ends of the bearing hole are provided with annular clamping grooves, and limiting rings matched with the outer end faces of the bearings are arranged in the annular clamping grooves.

Furthermore, the two annular clamping grooves are symmetrically arranged at two ends of the inner wall of the bearing hole.

Furthermore, a positioning spigot is arranged at the hole opening of the exhaust hole, and a convex edge matched with the positioning spigot is arranged on the peripheral side of the muddy water oil seal.

Furthermore, the muddy water oil seal is of a rubber structure, and the muddy water oil seal is in interference fit with the bearing hole.

Furthermore, a boss is arranged in the middle of the rotating shaft, and the end faces of the two ends of the boss are abutted to the end faces of the bearing inner rings at the two ends.

Advantageous effects

Compared with the prior art, the utility model discloses a wheel hole sealing mechanism of excavator athey wheel's beneficial effect as follows:

the utility model discloses a wheel hole sealing mechanism of excavator athey wheel through setting up the muddy water oil blanket and setting up exhaust hole and seal pin, prevents that outside muddy water of wheel, dust from receiving wearing and tearing in getting into the wheel main part, prevents that wheel, bearing and pivot from receiving, effectively guarantees the life of wheel, bearing and pivot.

Drawings

FIG. 1 is a sectional view of the inner hole sealing mechanism of the wheel of the crawler wheel of the excavator according to the present invention;

fig. 2 is a sectional view of the structure of the wheel main body of the present invention.

In the figure: 1. a wheel main body; 2. a bearing bore; 3. a rotating shaft; 4. a bearing; 5. water oil seal; 6. an exhaust hole; 7. a seal pin; 8. an annular neck; 9. a limiting ring; 10. positioning a spigot; 11. a convex edge; 12. and (4) a boss.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention, but are intended to be covered by the appended claims in any way.

The specific embodiment of the utility model is like this: referring to fig. 1-2, the wheel inner hole sealing mechanism of the crawler wheel of the excavator comprises a wheel main body 1, wherein the wheel main body 1 is a thrust wheel inside a crawler, a bearing hole 2 is formed in the wheel main body 1, a rotating shaft 3 penetrates through the bearing hole 2, bearings 4 for supporting two ends of the rotating shaft 3 are arranged at two ends of the bearing hole 2, the bearings 4 are tapered roller bearings, a muddy water oil seal 5 matched with an orifice of the bearing hole 2 is sleeved at two ends of the rotating shaft 3, an exhaust hole 6 is formed in the middle of the inner wall of the bearing hole 2, and a sealing pin 7 is arranged in the exhaust hole 6.

In the wheel inner hole sealing mechanism of the crawler wheel of the excavator, the bearing 4 is arranged for supporting the rotating shaft 3, and then the two ends of the bearing hole 2 are sealed through the muddy water oil seal 5, but when the two bearings 4 and the muddy water oil seal 5 are installed, the bearing 4 and the muddy water oil seal 5 at one end are installed firstly, and then the bearing 4 and the muddy water oil seal 5 at the other end are installed, when the structure at the other end is installed, the muddy water oil seal 5 can be pressed into the bearing hole 2 only by discharging gas in the bearing hole 2 from the exhaust hole 6, so that the muddy water oil seal 5 is prevented from being extruded out of the bearing hole 2 by the gas in the bearing hole 2; also can set up air exhaust equipment and be connected with exhaust hole 6, with the gas outgoing in the dead eye 2, rethread sealing pin 7 seals exhaust hole 6, prevents that the outside muddy water of wheel, dust from getting into in the wheel main part 1, prevents that wheel, bearing and pivot from receiving wearing and tearing, effectively guarantees the life of wheel, bearing and pivot.

In this embodiment, ring-shaped clamping grooves 8 are formed at two ends of the bearing hole 2, and a limiting ring 9 adapted to the outer end face of the bearing 4 is arranged in each ring-shaped clamping groove 8 to position the bearing 4, so that the bearing 4 is prevented from being worn due to axial sliding in the bearing hole 2.

In this embodiment, two ring slots 8 are symmetrically disposed at two ends of the inner wall of the bearing hole 2.

In this embodiment, the opening of the exhaust hole 6 is provided with a positioning spigot 10, the periphery of the muddy water oil seal 5 is provided with a convex edge 11 adapted to the positioning spigot 10, and the convex edge 11 of the muddy water oil seal 5 is matched with the positioning spigot 10 to prevent external muddy water from entering the bearing hole 2, so that the sealing performance is better.

In the embodiment, the muddy water oil seal 5 is of a rubber structure, and the muddy water oil seal 5 is in interference fit with the bearing hole 2.

In this embodiment, a boss 12 is disposed in the middle of the rotating shaft 3, end faces at two ends of the boss 12 abut against end faces of inner rings of the bearings 4 at two ends, and the boss 12 limits the inner end of the bearing 4 to prevent the bearing 4 from sliding inward.

Principle of operation

When the crawler wheel is assembled, the bearing 4 is arranged in the wheel main body 1 to support the rotating shaft 3, then the muddy water oil seal 5 is used to seal two ends of the bearing hole 2, when the two bearings 4 and the muddy water oil seal 5 are installed, the bearing 4 and the muddy water oil seal 5 at one end are installed firstly, then the bearing 4 and the muddy water oil seal 5 at the other end are installed, when the structure at the other end is installed, the gas in the bearing hole 2 needs to be discharged from the exhaust hole 6, the muddy water oil seal 5 can be pressed into the bearing hole 2, and the phenomenon that the inside gas extrudes the muddy water oil seal 5 out of the bearing hole 2 due to the fact that the gas is higher than the outside air pressure is formed in the bearing hole 2 is avoided; also can set up air exhaust equipment and be connected with exhaust hole 6, with the gas outgoing in the dead eye 2, rethread sealing pin 7 seals exhaust hole 6, prevents that the outside muddy water of wheel, dust from getting into in the wheel main part 1, prevents that wheel, bearing and pivot from receiving wearing and tearing, effectively guarantees the life of wheel, bearing and pivot.

The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.

Claims

1. The utility model provides an excavator athey wheel's wheel hole sealing mechanism, includes wheel main part (1), be equipped with dead eye (2) in wheel main part (1), it is equipped with pivot (3) to pass in dead eye (2), its characterized in that, the both ends of dead eye (2) are equipped with the support bearing (4) at pivot (3) both ends, the both ends cover of pivot (3) be equipped with muddy water oil blanket (5) of the drill way looks adaptation of dead eye (2), the middle part of dead eye (2) inner wall is equipped with exhaust hole (6), be equipped with sealing pin (7) in exhaust hole (6).

2. The wheel bore sealing mechanism of an excavator track wheel according to claim 1, wherein the bearing (4) is a tapered roller bearing.

3. The wheel inner hole sealing mechanism of the excavator crawler wheel according to claim 2, wherein two ends of the bearing hole (2) are provided with annular clamping grooves (8), and a limiting ring (9) which is matched with the outer end face of the bearing (4) is arranged in each annular clamping groove (8).

4. The wheel inner bore sealing mechanism of the excavator crawler wheel according to claim 3, wherein the two annular clamping grooves (8) are symmetrically arranged at two ends of the inner wall of the bearing hole (2).

5. The wheel inner bore sealing mechanism of the crawler wheel of the excavator according to claim 3, wherein a positioning spigot (10) is arranged at the hole opening of the exhaust hole (6), and a convex edge (11) adapted to the positioning spigot (10) is arranged on the peripheral side of the muddy water oil seal (5).

6. The wheel inner hole sealing mechanism of the crawler wheel of the excavator according to claim 3, wherein the muddy water oil seal (5) is of a rubber structure, and the muddy water oil seal (5) is in interference fit with the bearing hole (2).

7. The wheel inner hole sealing mechanism of the crawler wheel of the excavator according to claim 3, wherein a boss (12) is arranged in the middle of the rotating shaft (3), and end faces of two ends of the boss (12) are abutted against end faces of inner rings of the bearings (4) at two ends.