Thrust wheel of excavator

Abstract

The utility model relates to the technical field of excavator accessories, in particular to an excavator thrust wheel which comprises a thrust wheel body and a thrust wheel shaft arranged in the thrust wheel body, middle sleeves are fixedly installed at the two ends of the thrust wheel body, end sleeves are fixedly installed at the ends of the middle sleeves, blocking circular rings are rotationally connected into the end sleeves, and the blocking circular rings are fixedly connected with the thrust wheel shaft. A rear side mud blocking disc is fixedly installed on the inner wall of the middle sleeve, a front side mud blocking disc is fixedly installed on the inner wall of a ring body at the rear end of the blocking ring, the front side mud blocking disc is located on the front side of the front side mud blocking disc, end mud blocking discs are fixedly installed at the two ends of the thrust wheel shaft correspondingly, and the end mud blocking discs are located in the blocking ring. The end fender is located on the front side of the front fender. The thrust wheel has a good effect of preventing impurities from entering, and stable operation of the thrust wheel is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator accessory technical field, concretely relates to excavator supporting wheel. BACKGROUND

[0002] In modern engineering construction field, excavator as core construction equipment, is widely used in building construction, mining, road building and other various complex working conditions, supporting wheel as the key component of excavator running system, bears the important responsibility of supporting the whole machine weight, guaranteeing track stable operation, and its performance advantage or disadvantage has decisive influence on the working efficiency, stability and operation cost of excavator;

[0003] At present, the excavator supporting wheel on the market when using, because its inside is provided with supporting wheel shaft, the end of supporting wheel shaft is out of the end of supporting wheel body, most of the supporting wheel is not provided with better mud blocking assembly at the end of supporting wheel shaft and supporting wheel body, and the gap between the two is relatively large, which can cause the outside soil to enter into the wheel body along the connecting gap part of the end of supporting wheel shaft and supporting wheel body, the entering of soil can cause the stability of the internal structure transmission of supporting wheel, and in serious cases, it can also cause the lubrication system of supporting wheel and the damage of supporting wheel itself, affect the use effect, and bring inconvenience to the user. In view of this, we propose a kind of excavator supporting wheel. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of excavator supporting wheel to solve the defects in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of excavator supporting wheel, including supporting wheel body and the supporting wheel shaft being arranged in supporting wheel body, the both ends of the supporting wheel body are fixedly installed with middle sleeve, the end of the middle sleeve is fixedly installed with end sleeve, the end sleeve is rotatably connected with blocking ring, the inner wall of the middle sleeve is fixedly installed with rear mudguard, the rear end of the blocking ring is fixedly installed with front mudguard, the front side of the front mudguard is located, the both ends of the supporting wheel shaft are fixedly installed with end mudguard, the end mudguard is located in the blocking ring, the front side of the front mudguard is located.

[0007] Preferably, the size of the end mudguard is matched with the size of the blocking ring, and the front side of the end mudguard is provided with an inclined surface.

[0008] Preferably, the inclined surface extends from the annular side of the end mudguard to the front side of the end mudguard, and the inclination angle of the inclined surface is between 30 degrees and 60 degrees.

[0009] Preferably, the rear mudguard is provided with a first through hole at the center position, and the supporting wheel shaft passes through the first through hole.

[0010] Preferably, the inner annular side surface of the end sleeve is provided with an annular groove, and the annular side surface of the blocking ring is fixedly provided with an annular disc, which is located in the annular groove and is rotationally connected with the annular groove.

[0011] Preferably, the front side of the front mudguard is provided with a plurality of ring-shaped and equidistantly arranged embedding cavities, and steel balls are embedded in the embedding cavities and abut against the front side of the rear mudguard.

[0012] Preferably, the front mudguard is provided with a second through hole at the center position, and the supporting wheel shaft passes through the second through hole.

[0013] Preferably, the back surface of the front mudguard is provided with a plurality of ventilation holes, which are in communication with the corresponding embedding cavities.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、The rear mudguard, the front mudguard and the end mudguard are arranged, the size of the end mudguard is matched with the blocking ring and is provided with a slope, the multilayer blocking of pollutants such as mud and dust is realized, the impurities in the outside are effectively reduced to enter the inside of the supporting wheel, and the effect of protecting the key components in the inside of the supporting wheel and reducing the abrasion is achieved.

[0016] 2、The utility model is connected with the rotation of the annular groove in the end sleeve and the annular disc on the blocking ring and the abutment of the steel ball in the embedding cavity of the front mudguard and the rear mudguard, the flexible rotation of the blocking ring and the related mud blocking structure is realized, the mud blocking effect is continuously exerted without affecting the normal operation of the supporting wheel, and the effect of improving the working stability and reliability of the supporting wheel is achieved.

[0017] 3、The ventilation hole in the back surface of the front mudguard is communicated with the embedding cavity, the ventilation and heat dissipation of the steel ball and other components in the embedding cavity are realized, the components are prevented from being damaged due to the heat generated by friction, the effect of prolonging the service life of the supporting wheel and reducing the equipment failure is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is one of the explosion structure schematic views of the utility model;

[0020] Figure 3 Figure 2 is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 4 Figure 3 is a schematic diagram of part of the structure of the utility model;

[0022] Figure 5 Figure 4 is a schematic diagram of the utility model Figure 4 Figure 5 is an enlarged view of part A in Figure 4;

[0023] Figure 6 Figure 6 is a sectional view of the front fender of the utility model;

[0024] The meanings of the various reference numerals in the drawings are as follows:

[0025] 1, supporting wheel body; 10, middle sleeve; 11, end sleeve; 12, rear fender; 121, first through hole; 13, annular groove;

[0026] 2, blocking ring; 20, annular disc; 21, front fender; 211, second through hole; 22, embedding chamber; 221, steel ball; 23, ventilation hole;

[0027] 3, supporting wheel shaft; 30, end fender; 31, inclined surface. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] Please refer to Figures 1-6The utility model provides a technical scheme: a excavator supporting wheel, including supporting wheel body 1 and setting in supporting wheel body 1's supporting wheel axle 3, supporting wheel body 1 is as the main body load bearing component of supporting wheel, provides the support base for complete machine, ensures that the excavator can stably run under complex working condition, the both ends of supporting wheel body 1 are fixedly installed with middle part sleeve 10, the end of middle part sleeve 10 is fixedly installed with end part sleeve 11, and the rotation is connected with the blocking ring 2 in end part sleeve 11, the flexible rotation of blocking ring 2 in end part sleeve 11 is realized, and under the premise of not interfering with the overall operation of supporting wheel, lay the foundation for the effective operation of the mud retaining structure,

[0031] Specifically, the inner wall of the middle sleeve 10 is fixedly installed with a rear mud guard 12, the inner wall of the rear end of the blocking ring 2 is fixedly installed with a front mud guard 21, the front mud guard 21 is located in front of the front mud guard 21, the both ends of the supporting wheel shaft 3 are fixedly installed with an end mud guard 30, the end mud guard 30 is located in the blocking ring 2, the end mud guard 30 is located in front of the front mud guard 21, the size of the end mud guard 30 is matched with the size of the blocking ring 2, the front side of the end mud guard 30 is provided with an inclined surface 31, the inclined surface 31 extends from the annular side of the end mud guard 30 to the front side of the end mud guard 30, the inclination angle of the inclined surface 31 is between 30 degrees and 60 degrees, this design can efficiently guide the pollutants such as mud and dust to change the direction of movement, avoid entering the inside of the supporting wheel directly, together with the rear mud guard 12 and the front mud guard 21, form a multi-layer protection system, greatly reduce the erosion of external impurities to the key components such as the supporting wheel shaft 3 in the inside of the supporting wheel, effectively reduce the wear.

[0032] In this embodiment, the center of the rear mud guard 12 is provided with a first through hole 121, the supporting wheel shaft 3 passes through the first through hole 121, and the rear mud guard 12 is used to block the pollutants.

[0033] Specifically, the inner annular side of the end sleeve 11 is provided with an annular groove 13, the annular side of the blocking ring 2 is fixedly installed with an annular disc 20, the annular disc 20 is located in the annular groove 13 and is rotatably connected with the annular groove 13, which prevents the position of the blocking ring 2 from deviating, and after the blocking ring 2 rotates, the front mud guard 21 is used to lay the foundation for the effective operation of the mud retaining structure without interfering with the overall operation of the supporting wheel.

[0034] Further, the center of the front mud guard 21 is provided with a second through hole 211, the supporting wheel shaft 3 passes through the second through hole 211, so that the front mud guard 21 cooperates with the end mud guard 30 to further block the impurities in front, and the inside structure of the supporting wheel is protected in all directions.

[0035] In addition, the front mudguard 21 is provided with a plurality of ring-shaped and equidistantly arranged embedding cavities 22 on the side close to the rear mudguard 12, and steel balls 221 are embedded in the embedding cavities 22, the steel balls 221 abut against the front side of the rear mudguard 12, and low-friction rotation of the front mudguard 21 relative to the rear mudguard 12 is realized, while the normal operation of the supporting wheel is not affected.

[0036] It is worth noting that a plurality of ventilation holes 23 are arranged on the back of the front mudguard 21, the ventilation holes 23 are communicated with the corresponding embedding cavities 22, heat generated by the steel balls 221 in the embedding cavities 22 due to friction can be timely dissipated, and performance degradation and damage of components caused by high temperature are prevented, so that the service life of the supporting wheel is prolonged, the probability of equipment failure is reduced, and efficient and stable operation of the excavator is ensured.

[0037] The excavator supporting wheel of the utility model in use, the device is correctly installed at the chassis part of the excavator, after the installation is completed, the size adaptation between the end mudguard 30 and the blocking ring 2 can preliminarily block the entry of external impurities, the inclined plane 31 can efficiently guide the movement direction of the pollutants such as mud, water and dust, avoid its direct entry into the inside of the supporting wheel, and further block the entry of impurities in cooperation with the rear mudguard 12 and the front mudguard 21.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and descriptions in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A track roller for an excavator comprising a track roller body (1) and a track roller axle (3) disposed within the track roller body (1), characterised in that: Both ends of the supporting wheel body (1) are fixedly installed with middle sleeves (10), the end of the middle sleeve (10) is fixedly installed with end sleeves (11), the end sleeve (11) is rotatably connected with a blocking ring (2), the inner wall of the middle sleeve (10) is fixedly installed with a rear fender (12), the rear end of the blocking ring (2) is fixedly installed with a front fender (21), the front fender (21) is located in front of the front fender (21), both ends of the supporting wheel shaft (3) are fixedly installed with end fenders (30), the end fender (30) is located in the blocking ring (2), the end fender (30) is located in front of the front fender (21).

2. The excavator road wheel of claim 1, wherein: The size of the end fender (30) is matched with the size of the blocking ring (2), and the front side of the end fender (30) is provided with an inclined surface (31).

3. The excavator road wheel of claim 2, wherein: The inclined surface (31) extends from the annular side of the end fender (30) to the front side of the end fender (30), and the inclination angle of the inclined surface (31) is between 30 degrees and 60 degrees.

4. The shovel bogie wheel of claim 1, wherein: The center of the rear fender (12) is provided with a first through hole (121), and the supporting wheel shaft (3) passes through the first through hole (121).

5. The shovel bogie wheel of claim 1, wherein: The inner annular side of the end sleeve (11) is provided with an annular groove (13), the annular side of the blocking ring (2) is fixedly installed with an annular disc (20), the annular disc (20) is located in the annular groove (13) and is rotatably connected with the annular groove (13).

6. The shovel bogie wheel of claim 1, wherein: The front side of the front fender (21) is provided with a plurality of ring-shaped and equidistantly arranged embedding cavities (22), the embedding cavities (22) are embedded with steel balls (221), and the steel balls (221) abut against the front side of the rear fender (12).

7. The shovel bogie wheel of claim 1, wherein: The center of the front fender (21) is provided with a second through hole (211), and the supporting wheel shaft (3) passes through the second through hole (211).

8. The undercarriage track shoe of claim 6, wherein: The back of the front fender (21) is provided with a plurality of ventilation holes (23), and the ventilation holes (23) are communicated with the corresponding embedding cavities (22).

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