CN220595056U - Impact-resistant driving wheel for crawler-type hydraulic excavator - Google Patents
Impact-resistant driving wheel for crawler-type hydraulic excavator Download PDFInfo
- Publication number
- CN220595056U CN220595056U CN202322263716.8U CN202322263716U CN220595056U CN 220595056 U CN220595056 U CN 220595056U CN 202322263716 U CN202322263716 U CN 202322263716U CN 220595056 U CN220595056 U CN 220595056U
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- driving wheel
- circular arc
- main body
- hydraulic excavator
- impact
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- 229910001339 C alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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Abstract
The utility model relates to the field of engineering mechanical parts, in particular to an impact-resistant driving wheel for a crawler-type hydraulic excavator. It comprises a driving wheel main body part and a gear tooth part; the driving wheel main body part is of a wheel disc-shaped structure; the gear tooth parts are uniformly arranged on the circumferential surface of the driving wheel main body part, two sides of each gear tooth part are respectively provided with a contact surface, and each contact surface comprises a circular arc-shaped surface; for two adjacent circular arc surfaces on any adjacent two gear tooth parts, a buffer gap is arranged between two central shafts of the two circular arc surfaces, and the radial distance from the central shaft of the circular arc surface to the circular arc surface is smaller than the distance from the central shaft to the other circular arc surface. The utility model can effectively improve the shock resistance.
Description
Technical Field
The utility model relates to the field of engineering mechanical parts, in particular to an impact-resistant driving wheel for a crawler-type hydraulic excavator.
Background
The crawler hydraulic excavator is one kind of heavy engineering machine and has walking function driven with hydraulic walking motor. The driving wheel is fixed on the walking motor through a bolt, and when the motor works, the driving wheel rotates along with the motor, and then the crawler pin shaft is driven through the tooth-shaped outer edge of the driving wheel to drive the excavator to realize the walking function.
The crawler excavator is non-road machinery, the walking working condition is bad, the driving wheel is used as a force transmission component of the walking motor, huge abrasion and torque are born, and because the walking motor is frequently started and stopped, great impact is brought to the driving wheel, the problems of tooth falling, crack and the like of the driving wheel are easy to occur, and the reliability of the crawler excavator is seriously affected.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an impact-resistant driving wheel for a crawler hydraulic excavator, which can effectively improve impact resistance.
The technical scheme of the utility model is that the impact-resistant driving wheel for the crawler-type hydraulic excavator comprises a driving wheel main body part and a gear tooth part; the driving wheel main body part is of a wheel disc-shaped structure; the gear tooth parts are uniformly arranged on the circumferential surface of the driving wheel main body part, two sides of each gear tooth part are respectively provided with a contact surface, and each contact surface comprises a circular arc-shaped surface; for two adjacent circular arc surfaces on any adjacent two gear tooth parts, a buffer gap is arranged between two central shafts of the two circular arc surfaces, and the radial distance from the central shaft of the circular arc surface to the circular arc surface is smaller than the distance from the central shaft to the other circular arc surface.
Preferably, the buffer gap is 10mm.
Preferably, the tooth thickness of the tooth portion is gradually reduced in a radially outward direction of the drive wheel main body portion.
Preferably, the driving wheel main body part and the gear tooth part are made of SCSIMn2H medium carbon alloy steel materials.
Preferably, the drive wheel body portion and the gear tooth portion are integrally formed.
Preferably, the driving wheel main body part is provided with a plurality of fixing holes uniformly arranged around the central shaft of the driving wheel main body part.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the utility model, the buffer gaps are arranged between the gear tooth parts, so that the pin shaft of the crawler belt can have a free deceleration space when the hydraulic traveling motor of the excavator is started and stopped, the impact on the driving wheel and the impact on the whole excavator are effectively reduced, the driving wheel can bear huge impact when the excavator travels, and the reliability of the crawler excavator is effectively improved.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
fig. 2 is a left side view of the structure of the present utility model.
Reference numerals: 1. a driving wheel main body portion; 101. a fixing hole; 2. the gear tooth part.
Detailed Description
As shown in fig. 1 and 2, the impact-resistant driving wheel for a crawler hydraulic excavator according to the present embodiment includes a driving wheel main body portion 1 and a gear tooth portion 2.
The driving wheel main body part 1 is of a wheel disc-shaped structure, the driving wheel main body part 1 is provided with a plurality of fixing holes 101, the fixing holes 101 are uniformly arranged around the central shaft of the driving wheel main body part 1, and the number and the size of the fixing holes 101 are determined according to the requirement of the hydraulic traveling motor.
The gear tooth parts 2 are uniformly arranged on the circumferential surface of the driving wheel main body part 1, two sides of the gear tooth parts 2 are respectively provided with a contact surface, each contact surface comprises a circular arc-shaped surface, each contact surface is contacted with a pin shaft of the crawler belt, and the crawler belt is driven to move through the pin shaft. For two adjacent circular arc surfaces on any adjacent two gear tooth parts 2, a buffer gap L is arranged between two central shafts of the two circular arc surfaces, the size of the buffer gap L is determined according to the size of a driving wheel, and the buffer gap is generally set to be 10mm, or can be slightly larger or slightly smaller than 10mm. The radial distance from the central axis of the circular arc-shaped surface to the circular arc-shaped surface is smaller than the distance from the central axis to the other circular arc-shaped surface, namely, the central axis of the circular arc-shaped surface on one gear tooth part 2 is close to the circular arc-shaped surface and far away from the circular arc-shaped surface on the adjacent gear tooth part 2.
The tooth thickness of the gear tooth part 2 gradually decreases along the radial outward direction of the driving wheel main body part 1, and compared with the tooth thickness of the gear tooth part of the driving wheel in the prior art, the tooth thickness of the gear tooth part 2 is thickened, so that the impact resistance is effectively improved.
The driving wheel main body part 1 and the gear tooth part 2 are made of SCSIMn2H medium carbon alloy steel materials, and the surface wear resistance and the heat treatment performance are good.
The driving wheel main body part 1 and the gear tooth part 2 are integrally formed, integrally processed and high in structural strength, and the surface hardness of the gear tooth part 2 can reach HRC40-47.
According to the embodiment, the buffer gap is arranged between the gear tooth parts, so that the pin shaft of the crawler belt can have a free deceleration space when the hydraulic traveling motor of the excavator is started and stopped, the impact on the driving wheel and the impact on the whole excavator are effectively reduced, the driving wheel can bear huge impact when the excavator travels, and the reliability of the crawler excavator is effectively improved.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (6)
1. An impact resistant drive wheel for a track hydraulic excavator, comprising:
a driving wheel main body (1) having a disk-shaped structure;
a plurality of gear teeth (2) which are uniformly arranged on the circumferential surface of the driving wheel main body (1), and the two sides of the gear teeth are respectively provided with a contact surface which comprises a circular arc surface; for two adjacent circular arc surfaces on any adjacent two gear tooth parts (2), a buffer gap is arranged between two central shafts of the two circular arc surfaces, and the radial distance from the central shaft of the circular arc surface to the circular arc surface is smaller than the distance from the central shaft to the other circular arc surface.
2. An impact resistant drive wheel for a track hydraulic excavator according to claim 1 wherein the buffer gap is 10mm.
3. An impact resistant driving wheel for a crawler hydraulic excavator according to claim 1, characterised in that the tooth thickness of the tooth portion (2) is gradually reduced in the radially outward direction of the driving wheel body portion (1).
4. The impact-resistant driving wheel for the crawler-type hydraulic excavator according to claim 1, wherein the driving wheel main body part (1) and the gear tooth part (2) are made of a carbon alloy steel material in SCSIMn 2H.
5. The impact resistant driving wheel for a crawler hydraulic excavator according to claim 1, wherein the driving wheel main body portion (1) and the gear tooth portion (2) are integrally formed.
6. The impact-resistant driving wheel for a crawler hydraulic excavator according to claim 1, wherein the driving wheel main body part (1) is provided with a plurality of fixing holes (101), and the fixing holes (101) are uniformly arranged around the central axis of the driving wheel main body part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322263716.8U CN220595056U (en) | 2023-08-22 | 2023-08-22 | Impact-resistant driving wheel for crawler-type hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322263716.8U CN220595056U (en) | 2023-08-22 | 2023-08-22 | Impact-resistant driving wheel for crawler-type hydraulic excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220595056U true CN220595056U (en) | 2024-03-15 |
Family
ID=90175547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322263716.8U Active CN220595056U (en) | 2023-08-22 | 2023-08-22 | Impact-resistant driving wheel for crawler-type hydraulic excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220595056U (en) |
-
2023
- 2023-08-22 CN CN202322263716.8U patent/CN220595056U/en active Active
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