Impact-resistant driving wheel for crawler excavator

Abstract

The utility model relates to the field of excavator driving wheels, and particularly discloses a shock-resistant driving wheel for a crawler excavator, which comprises a driving wheel body, an inner wheel and a reinforcing ring, driving teeth are arranged on the driving wheel body and uniformly arranged outside the driving wheel body, the inner wheel is arranged inside the driving wheel body, and the reinforcing ring is arranged on the inner wheel. An inner fixing plate and an outer fixing plate are arranged on the inner wheel, a wheel body is arranged on the driving wheel body, an inner moving groove and an outer moving groove are formed in the wheel body, the inner fixing plate is arranged on the inner moving groove, the outer fixing plate is arranged in the outer moving groove, the reinforcing ring is arranged in the driving wheel body, a circular groove is formed in the driving wheel body, and the reinforcing ring is arranged in the circular groove. The reinforcing ring is arranged in the circular groove, tooth grooves are formed in the driving teeth, the circular groove is communicated with the interiors of the tooth grooves, reinforcing teeth are arranged on the reinforcing ring, and the reinforcing teeth are arranged in the tooth grooves; the shock-resistant driving wheel is high in structural strength and has a buffer hole space.

Description

Technical Field

[0001] The utility model relates to the field of excavator driving wheels, in particular to an impact-resistant driving wheel for a crawler excavator. Background Art

[0002] Crawler hydraulic excavator is a heavy-duty construction machinery, whose travel function is driven by a hydraulic travel motor. The drive wheel is fixed to the travel motor by bolts. When the motor is working, the drive wheel rotates with the motor, and then drives the track pin through its own toothed outer edge, driving the excavator to achieve the travel function.

[0003] When a crawler excavator is moving, starting and stopping will cause vibration between the driving wheel and the crawler, which will affect the excavator as a whole, thereby affecting the service life and operating experience of the excavator. Therefore, an impact-resistant driving wheel for a crawler excavator is proposed. Utility Model Content

[0004] The utility model aims to provide an impact-resistant driving wheel for a crawler excavator to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an impact-resistant driving wheel for a crawler excavator, comprising a driving wheel body, an inner wheel, and a reinforcement ring, the driving wheel body is provided with driving teeth, the driving teeth are evenly arranged on the outside of the driving wheel body, the inner wheel is arranged inside the driving wheel body, the inner wheel is provided with an inner fixed plate and an outer fixed plate, the driving wheel body is provided with a wheel body, the wheel body is provided with an inner movable groove and an outer movable groove, the inner fixed plate is arranged on the inner movable groove, the outer fixed plate is arranged in the outer movable groove, and the reinforcement ring is arranged inside the driving wheel body.

[0006] Preferably, a circular groove is provided on the driving wheel body, the reinforcement ring is arranged inside the circular groove, a tooth groove is provided on the driving tooth, the circular groove and the inside of the tooth groove are connected, and a reinforcement tooth is provided on the reinforcement ring, and the reinforcement tooth is arranged in the tooth groove. The reinforcement ring and the reinforcement tooth improve the overall strength of the driving wheel.

[0007] Preferably, square grooves are provided on both sides of the driving tooth, the square grooves are connected to the tooth grooves, and reinforcing blocks are provided on the reinforcing teeth, the reinforcing blocks are arranged in the square grooves, and the reinforcing blocks provide structural reinforcement for the driving teeth.

[0008] Preferably, the inner wheel is provided with fixing holes, which are evenly arranged around the inner wheel, and the fixing holes connect and fix the inner wheel to the excavator.

[0009] Preferably, the interior of the inner movable groove is an arc-shaped structure, the inner fixed plate is an arc-shaped structure, the curvature of the inner movable groove is greater than that of the inner fixed plate, the outer movable groove is a fan-shaped structure, the outer fixed plate is a fan-shaped structure, the curvature of the outer movable groove is greater than that of the outer fixed plate, the inner fixed plate moves in the inner movable groove, and the outer fixed plate moves in the outer movable groove. The space of the movable groove that is larger than the fixed plate is used to set a buffer space, thereby reducing the impact of the driving wheel on the entire excavator.

[0010] Preferably, the reinforcement ring, reinforcement teeth and reinforcement block are made of cemented carbide, and the driving teeth are made of high-speed steel.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: a buffer space is provided between the inner fixed plate and the inner movable groove, and between the outer fixed plate and the outer movable groove, and the provided buffer space effectively reduces the impact of the drive wheel on the entire excavator when starting and stopping; the structural strength of the drive wheel is improved by providing a reinforcing ring and reinforcing teeth, and the reinforcement block increases the structural strength of the drive tooth. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the overall side structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the reinforcing ring structure of the utility model;

[0015] Figure 4 It is a schematic diagram of the overall internal structure of the utility model;

[0016] Figure 5 This is a schematic diagram of the inner wheel structure of the utility model;

[0017] Numbers in the figure: 1. driving wheel body; 11. driving teeth; 12. tooth grooves; 13. wheel body; 14. inner movable groove; 15. outer movable groove; 2. inner wheel; 21. fixing hole; 22. inner fixing plate; 23. outer fixing plate; 3. reinforcement ring; 31. reinforcement teeth; 32. reinforcement block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-5 The utility model provides a technical solution: an impact-resistant driving wheel for a crawler excavator, comprising a driving wheel body 1, an inner wheel 2, and a reinforcement ring 3. The driving wheel body 1 is provided with driving teeth 11, and the driving teeth 11 are evenly arranged outside the driving wheel body 1. The inner wheel 2 is arranged inside the driving wheel body 1. The inner wheel 2 is provided with an inner fixing plate 22 and an outer fixing plate 23. The driving wheel body 1 is provided with a wheel body 13, and the wheel body 13 is provided with an inner moving groove 14 and an outer moving groove 15. The inner fixing plate 22 is arranged on the inner moving groove 14, and the outer fixing plate 23 is arranged in the outer moving groove 15. The reinforcement ring 3 is arranged inside the driving wheel body 1.

[0022] Furthermore, a circular groove is provided on the driving wheel body 1, the reinforcement ring 3 is arranged inside the circular groove, a tooth groove 12 is provided on the driving tooth 11, the circular groove and the tooth groove 12 are connected to each other, a reinforcement tooth 31 is provided on the reinforcement ring 3, and the reinforcement tooth 31 is arranged in the tooth groove 12, and the reinforcement ring 3 and the reinforcement tooth 31 improve the overall strength of the driving wheel.

[0023] Furthermore, square grooves are provided on both sides of the driving tooth 11 , the square grooves are connected to the tooth grooves 12 , and a reinforcing block 32 is provided on the reinforcing tooth 31 , the reinforcing block 32 is arranged in the square groove, and the reinforcing block 32 provides structural reinforcement for the driving tooth 11 .

[0024] Furthermore, the inner wheel 2 is provided with fixing holes 21, and the fixing holes 21 are evenly surrounded on the inner wheel 2, and the fixing holes 21 connect and fix the inner wheel 2 to the excavator.

[0025] Furthermore, the interior of the inner movable groove 14 is an arc-shaped structure, the inner fixed plate 22 is an arc-shaped structure, the curvature of the inner movable groove 14 is greater than that of the inner fixed plate 22, the outer movable groove 15 is a fan-shaped structure, the outer fixed plate 23 is a fan-shaped structure, the curvature of the outer movable groove 15 is greater than that of the outer fixed plate 23, the inner fixed plate 22 moves in the inner movable groove 14, and the outer fixed plate 23 moves in the outer movable groove 15. The space of the movable groove that is larger than the fixed plate is used to set a buffer space, thereby reducing the influence of the driving wheel on the entire excavator.

[0026] Furthermore, the reinforcing ring 3, the reinforcing teeth 31 and the reinforcing block 32 are made of cemented carbide, and the driving teeth 11 are made of high-speed steel.

[0027] Working principle: the inner wheel 2 is connected to the excavator, and the excavator drives the inner wheel 2 to rotate. The inner wheel 2 is connected to the driving wheel body 1 through the inner fixed plate 22 and the outer fixed plate 23, and the driving wheel body 1 is driven to rotate through the inner fixed plate 22 and the outer fixed plate 23. There is a buffer space between the inner fixed plate 22, the outer fixed plate 23 and the inner movable groove 14, and the outer movable groove 15. When the excavator starts and stops, it provides deceleration time to reduce the impact on the excavator as a whole. The reinforcing ring 3 and the reinforcing teeth 31 are provided to provide structural reinforcement for the driving wheel body 1, and the reinforcement block 32 is provided to improve the strength of the driving tooth 11.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An impact-resistant driving wheel for a crawler excavator, characterized in that: The invention comprises a driving wheel body (1), an inner wheel (2), and a reinforcing ring (3); the driving wheel body (1) is provided with driving teeth (11), the driving teeth (11) are evenly arranged outside the driving wheel body (1); the inner wheel (2) is arranged inside the driving wheel body (1); the inner wheel (2) is provided with an inner fixing plate (22) and an outer fixing plate (23); the driving wheel body (1) is provided with a wheel body (13); the wheel body (13) is provided with an inner moving groove (14) and an outer moving groove (15); the inner fixing plate (22) is arranged on the inner moving groove (14), the outer fixing plate (23) is arranged in the outer moving groove (15); and the reinforcing ring (3) is arranged inside the driving wheel body (1).

2. The impact-resistant driving wheel for a crawler excavator according to claim 1, characterized in that: The driving wheel body (1) is provided with a circular groove, the reinforcing ring (3) is arranged inside the circular groove, the driving tooth (11) is provided with a tooth groove (12), the circular groove and the inside of the tooth groove (12) are connected, the reinforcing ring (3) is provided with a reinforcing tooth (31), and the reinforcing tooth (31) is arranged in the tooth groove (12).

3. The impact-resistant driving wheel for a crawler excavator according to claim 2, characterized in that: The driving tooth (11) is provided with square grooves on both sides, the square grooves are connected to the tooth grooves (12), and the reinforcing tooth (31) is provided with reinforcing blocks (32), which are arranged in the square grooves.

4. The impact-resistant driving wheel for a crawler excavator according to claim 1, characterized in that: The inner wheel (2) is provided with fixing holes (21), and the fixing holes (21) are evenly surrounded on the inner wheel (2).

5. The impact-resistant driving wheel for a crawler excavator according to claim 1, characterized in that: The interior of the inner movable groove (14) is an arc-shaped structure, the inner fixed plate (22) is an arc-shaped structure, the curvature of the inner movable groove (14) is greater than the curvature of the inner fixed plate (22), the outer movable groove (15) is a fan-shaped structure, the outer fixed plate (23) is a fan-shaped structure, and the curvature of the outer movable groove (15) is greater than the curvature of the outer fixed plate (23).

6. The impact-resistant driving wheel for a crawler excavator according to claim 1, characterized in that: The reinforcing ring (3), reinforcing teeth (31) and reinforcing blocks (32) are made of hard alloy, and the driving teeth (11) are made of high-speed steel.

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