Miniature excavator rotation frame

A technology of excavator and slewing frame, which is applied in the field of miniature excavator slewing frame, which can solve the problems of small thickness of peripheral parts, difficult production cycle, and large thickness of core parts, and achieve small error, easy calibration and correction, and convenient production and installation Effect

Inactive Publication Date: 2014-10-08
黄健
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large number of thick plates and medium plates are used in the platform structure, and the complex structure of the parts itself makes it difficult to reasonably arrange the production cycle
The platform has a large area and the material thickness of the peripheral parts is small, and the material thickness of the core components is large, so welding is easy to deform, and it is difficult to correct after welding

Method used

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  • Miniature excavator rotation frame
  • Miniature excavator rotation frame

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1, with reference to Figure 1 ~ Figure 2 , the main structure of the frame is composed of the left frame (2), the right frame (4), and the top frame (3), and the middle beam is composed of three left, middle and right sections. Left frame (2), right frame (4), top frame (3) are integrated respectively, make with angle steel, horizontal steel, sheet steel material. Connection between the left frame (2), the right frame (4), and the top frame (3) is with snap-fit ​​type, with embedded, and with welded type all achieves purpose equally. In the process of fixing and positioning, the error and deformation of component welding can be corrected and eliminated. There are fewer weld seams in the process of welding the three major components, and the strength of the components is good. This structural welding reduces the weld seam in the final welding link, and the process of combining the three major components is a process of repositioning and correction. ...

Embodiment 2

[0014] Embodiment 2, a mini-excavator slewing frame, including prior art structure, left frame, top frame, right frame, crossbeam, characterized in that the upper part between the left frame (2) and the left frame (2) is the top frame (3), the beam (5) is in the middle, the top frame (3) protrudes upwards, the beam (5) is divided into left, middle and right three-section connection, the left frame (2), the top frame (3), and the right frame (4) Embedded connection is used for connection, and welding connection is also available, and the crossbeam (5) between the left frame (2) and the right frame (4) is connected with embedded. A dividing plate is arranged between the left frame (2), the right frame (4) and the top frame (3). The crossbeams (5) on the left, middle and right are integrated into one body with snap-in type, and / or embedded, and / or welding type. Left frame (2), right frame (4), top frame (3), crossbeam (5) are made with angle steel, horizontal steel, sheet s...

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PUM

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Abstract

The invention discloses a miniature excavator rotation frame which comprises a left frame, a top frame, a right frame and beams. The miniature excavator rotation frame is characterized in that an original frame is changed to be in a joint type from an overall type and divided into the left frame, the top frame and the right frame in a three-joint mode, wherein the left frame, the top frame and the right frame are connected together in a buckling, or embedding or welding mode, an original middle beam is changed to be in a three-joint mode, and the three beams are connected together in a buckling, or embedding or welding mode. The line production is easy to achieve, the takt is intense, the errors are small, part deformation is small, and the strength is high.

Description

Technical field [0001] The invention involves a micro excavator back to a small and medium -sized excavator with a miniature excavator. Background technique [0002] In the case of the unchanged function structure of the excavator rotation platform, in order to meet the platform's production quality, production cost, and production efficiency requirements, the platform needs to be optimized to weld the structure process to maximize production quality, production costs, and production efficiency.The platform structure uses a large number of thick boards and middle plates, and the complicated production of the parts itself is difficult to arrange reasonably.The platform is large in area and the materials of the peripheral parts, the thickness of the core component materials is large, the welding is easy to deform, and it is difficult to correct it after welding.The relative separation of the part of the two -sided side components and the thickness of the material makes the relative...

Claims

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Application Information

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IPC IPC(8): E02F9/16
Inventor 黄健
Owner 黄健
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