CN219651305U - Abrasion-resistant bulldozer thrust wheel assembly - Google Patents

Abstract

The utility model discloses a supporting wheel assembly of a wear-resistant bulldozer, which relates to the technical field of supporting wheels and solves the technical problem that the cost is too high because of the need of integral replacement after the limit rings at two ends of the existing supporting wheel body are worn; according to the utility model, the abrasion resistance of the thrust wheel assembly is improved by arranging the detachably connected abrasion-proof ring, and in addition, the abrasion-proof ring is worn, so that the abrasion-proof ring is independently replaced without replacing the whole thrust wheel assembly, and the cost is saved.

Description

Abrasion-resistant bulldozer thrust wheel assembly

Technical Field

The utility model relates to the technical field of thrust wheels, in particular to a wear-resistant bulldozer thrust wheel assembly.

Background

Thrust wheels are important components for bearing and guiding crawler-type engineering machinery. The thrust wheel assembly consists of a thrust wheel body, a thrust wheel shaft, a side cover, a bearing bush, an O-shaped sealing ring and an oil seal, and butter is injected into the thrust wheel assembly.

When the bulldozer turns, the track can collide with the limit rings at two ends of the supporting wheel body, the limit rings can be seriously worn for a long time, the track falls out of the limit rings, and the limit rings are directly replaced once worn by the existing treatment method, so that the cost is too high.

Disclosure of Invention

The utility model aims at: the utility model provides a bulldozer thrust wheel assembly with abrasion resistance, which aims to solve the technical problem that the cost is too high because the limit rings at two ends of the existing thrust wheel body are required to be replaced integrally after being worn.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a bulldozer thrust wheel assembly that wears, includes thrust wheel body and thrust wheel axle, and thrust wheel body middle part axial is equipped with the through-hole, and the thrust wheel axle inserts in the through-hole, and the outside outstanding spacing collar that has respectively in thrust wheel body both ends, and the inboard rigid coupling of spacing collar has the antifriction circle.

The working process shows that the inner side of the limit ring on the thrust wheel body is the part with the fastest abrasion, the abrasion resistance of the thrust wheel assembly is improved by arranging the abrasion-proof ring which is detachably connected, and in addition, the abrasion-proof ring is abraded, so that the abrasion-proof ring is independently replaced without replacing the whole thrust wheel assembly, and the cost is saved.

The anti-wear ring consists of two half rings, and the half rings are connected with the inner side of the limit ring through bolts. The half circle is made of high-chromium alloy material, and the high-chromium alloy has high hardness, low abrasion and good toughness.

The half ring is provided with a groove, the bottom of the groove is provided with a bolt, and the half ring is fixedly connected with the limit ring through the bolt. The bolt head is arranged in the groove, so that the crawler belt is prevented from colliding with the bolt head. The groove is designed to protect the bolt.

The half circle is provided with a fixing pin. The half circle is fixed on the side wall of the limit ring through the fixing pin, so that the half circle is prevented from rotating to play a role in secondary reinforcing and fixing.

The inside oil storage chamber that is equipped with of thrust wheel body with the through-hole intercommunication, thrust wheel body surface is equipped with the tank filler neck of bottom and oil storage chamber intercommunication, and tank filler neck upper end is equipped with sealing bolt. The grease is stored in the grease storage cavity, the bearing bush and the thrust wheel body are lubricated, so that the bearing bush, the thrust wheel shaft and the thrust wheel body are prevented from being worn too fast, the grease leakage condition can occur to the thrust wheel assembly under high-speed movement, the existing grease filling hole is arranged on the side cover, the grease storage cavity is filled with grease from the grease filling hole on the side cover, the grease on the side cover can enter the grease storage cavity after passing through the grease seal and the bearing bush, the grease seal tightness is good, the grease is not good in entering the grease storage cavity, the design of the grease filling hole on the side cover is not ideal, the problem is well solved to the design of the grease filling hole on the surface of the thrust wheel, and the grease filling hole can be directly used for filling the grease storage cavity in a straight-through mode, so that time and labor are saved.

The bottom end of the oil filling hole protrudes inwards to form a limiting ring, and a liquid level ring is arranged on the limiting ring. What needs to be explained here is that the liquid level ring density is less than butter, and the liquid level ring floats on butter and plays a liquid level monitoring's effect, and there is a bit clearance in the tank filler hole bottom from the thrust wheel axle, and the butter that states the oil storage intracavity when the liquid level ring descends to the position of spacing ring is very little, reminds the staff to refuel, makes things convenient for the staff to know the butter liquid level in the oil storage intracavity and can in time supply butter through designing the liquid level ring.

The thrust wheel body surface in the tank filler hole upper end is equipped with the protection groove, and the protection groove tank bottom is equipped with the visor with the tank filler hole intercommunication in the protection groove, and thrust wheel body is equipped with the insertion groove in protection groove notch department. The protection groove is designed to prevent the sealing bolt from being exposed, and the protection cover is designed to prevent external soil and dust from entering the oiling hole.

The beneficial effects of the utility model are as follows:

1. the abrasion-resistant bulldozer thrust wheel assembly has the advantages that the abrasion resistance of the thrust wheel assembly is improved by arranging the detachably connected abrasion-resistant ring, and in addition, the abrasion-resistant ring is worn and independently replaced without replacing the whole thrust wheel assembly, so that the cost is saved.

2. A groove is formed in the half ring, bolts are arranged at the bottom of the groove, and the half ring is fixedly connected with the limiting ring through the bolts. The bolt head is arranged in the groove, so that the crawler belt is prevented from colliding with the bolt head. The groove is designed to protect the bolt.

3. The utility model provides a bulldozer thrust wheel assembly that wears, the thrust wheel is inside be equipped with the oil storage chamber of through-hole intercommunication, thrust wheel surface be equipped with the oil filler hole of bottom and oil storage chamber intercommunication, the oil filler hole upper end is equipped with sealing bolt, and the oil filler hole can direct oil storage chamber refuel to the oil storage chamber, labour saving and time saving.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a wear ring;

FIG. 3 is a cross-sectional view of the present utility model;

fig. 4 is an enlarged view of a in fig. 3.

Reference numerals: 1. a thrust wheel body; 2. a thrust wheel shaft; 3. a limit ring; 4. an anti-wear ring; 5. half circle; 6. a groove; 7. a fixing pin; 8. an oil storage chamber; 9. a fuel filler hole; 10. a sealing bolt; 11. a limiting ring; 12. a liquid level ring; 13. a protection groove; 14. a protective cover; 15. and inserting into the groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1, this embodiment provides a bulldozer thrust wheel assembly that wears, including thrust wheel body 1 and thrust wheel axle 2, the axial is equipped with the through-hole in thrust wheel body 1 middle part, and thrust wheel axle 2 inserts in the through-hole, and the outward protrusion in thrust wheel body 1 both ends respectively has spacing collar 3, and spacing collar 3 inboard rigid coupling has wear-resistant ring 4.

The working process shows that the inner side of the limit ring 3 on the thrust wheel body 1 is the part with the fastest abrasion, the abrasion resistance of the thrust wheel assembly is improved by arranging the abrasion-proof ring 4 which is detachably connected, and in addition, the abrasion-proof ring 4 is abraded, so that the abrasion-proof ring 4 is independently replaced without replacing the whole thrust wheel assembly, and the cost is saved.

Example 2

As shown in fig. 1-2, on the basis of embodiment 1, the anti-wear ring 4 is composed of two half rings 5, and the half rings 5 are connected with the inner side of the limit ring 3 through bolts. The half circle 5 is made of high-chromium alloy, and the high-chromium alloy has high hardness, low abrasion and good toughness.

The half ring 5 is provided with a groove 6, the bottom of the groove 6 is provided with a bolt, and the half ring 5 is fixedly connected with the limit ring 3 through the bolt. The bolt head is arranged in the groove 6, so that the crawler belt is prevented from colliding with the bolt head. The groove 6 is designed to protect the bolt.

The half circle 5 is provided with a fixing pin 7. The half circle 5 is fixed on the side wall of the limit ring 3 through the fixing pin 7, so that the half circle 5 is prevented from rotating, and the secondary reinforcing and fixing effects are achieved.

Example 3

As shown in fig. 3-4, on the basis of embodiment 1, an oil storage cavity 8 communicated with the through hole is arranged inside the thrust wheel body 1, an oil filling hole 9 with the bottom communicated with the oil storage cavity 8 is arranged on the surface of the thrust wheel body 1, and a sealing bolt 10 is arranged at the upper end of the oil filling hole 9. The grease is stored in the grease storage cavity 8, the bearing bush and the thrust wheel body 1 are lubricated, so that the bearing bush, the thrust wheel shaft 2 and the thrust wheel body 1 are prevented from being worn too fast, the thrust wheel assembly can leak grease under high-speed movement, the existing grease filling hole 9 is arranged on the side cover, the grease storage cavity 8 is filled with grease from the grease filling hole 9 on the side cover, the grease on the side cover can enter the grease storage cavity 8 after being sealed by oil firstly, the grease seal tightness is good, the grease is not good to enter the grease storage cavity 8, the grease filling hole 9 is designed on the side cover, the problem is well solved on the surface of the thrust wheel body 1, the grease filling hole 9 can be directly filled into the grease storage cavity 8, and the time and the labor are saved.

The bottom end of the oil filling hole 9 is internally protruded with a limiting ring 11, and the limiting ring 11 is provided with a liquid level ring 12. It should be noted here that the density of the liquid level ring 12 is smaller than that of butter, the liquid level ring 12 floats on the butter to play a role in liquid level monitoring, a gap exists between the bottom end of the oil filling hole 9 and the thrust wheel shaft 2, when the liquid level ring 12 descends to the position of the limiting ring 11, the butter in the oil storage cavity 8 is very little, workers are reminded to fill the oil, and workers can know the butter level in the oil storage cavity 8 conveniently and can supplement the butter in time by designing the liquid level ring 12.

The surface of the thrust wheel body 1 is provided with a protection groove 13 at the upper end of the oil filling hole 9, the bottom of the protection groove 13 is communicated with the oil filling hole 9, a protective cover 14 is arranged in the protection groove 13, and the notch of the protection groove 13 of the thrust wheel body 1 is provided with an insertion groove 15. The protection groove 13 is designed to prevent the sealing bolt 10 from being exposed, and the protection cover 14 is designed to prevent external soil and dust from entering the oil filling hole 9.

Claims (7)

1. The utility model provides a bulldozer thrust wheel assembly that wears, includes thrust wheel body and thrust wheel axle, its characterized in that, thrust wheel body middle part axial is equipped with the through-hole, and the thrust wheel axle inserts in the through-hole, and the thrust wheel body both ends are outwards protruding respectively has the spacing collar, and the inboard rigid coupling of spacing collar has the antifriction circle.

2. The anti-wear bulldozer thrust wheel assembly of claim 1, in which said anti-wear ring is comprised of two half rings bolted to the inside of said stop collar.

3. The abrasion-resistant bulldozer thrust wheel assembly according to claim 2, wherein the half ring is provided with a groove, the bottom of the groove is provided with a bolt, and the half ring and the limit ring are fixedly connected through the bolt.

4. A wear resistant bulldozer thrust wheel assembly as in claim 3, in which said half turn is provided with a fixed pin.

5. The anti-abrasion bulldozer thrust wheel assembly according to claim 1, wherein an oil storage cavity communicated with the through hole is formed in the thrust wheel body, an oil filling hole with the bottom communicated with the oil storage cavity is formed in the surface of the thrust wheel body, and a sealing bolt is arranged at the upper end of the oil filling hole.

6. The antiwear bulldozer thrust wheel assembly of claim 5, wherein a stop collar is inwardly protruding from a bottom end of said fuel filler hole, and a liquid level ring is provided on said stop collar.

7. The anti-abrasion bulldozer thrust wheel assembly according to claim 5, wherein a protective groove is formed in the upper end of the oil filling hole on the surface of the thrust wheel body, the bottom of the protective groove is communicated with the oil filling hole, a protective cover is arranged in the protective groove, and an insertion groove is formed in the notch of the protective groove on the surface of the thrust wheel body.