Novel vehicle frame and track frame connecting plug plate

A crawler frame and connecting plug technology, which is applied in the field of crawler cranes, can solve the problems of the inclined surface of the plug plate, the inability to control the gap, and the existence of shear bolts, etc., and achieve the effect of controlling the gap

Pending Publication Date: 2018-08-03
XCMG CONSTR MACHINERY
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  • Abstract
  • Description
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Problems solved by technology

[0004] First, this type of plug plate is in the form of an inclined plane, and the upper cover plate of the track frame is flat. After the plug plate is assembled, the inclined surface of the plug plate is in line contact with the upper cover plate of the track frame, so it is easy to cause the force to concentrate on the On the contact line, the plug plate is prone to serious phenomenon of the i

Method used

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  • Novel vehicle frame and track frame connecting plug plate
  • Novel vehicle frame and track frame connecting plug plate
  • Novel vehicle frame and track frame connecting plug plate

Examples

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0023] Since the connection between the vehicle frame 1 and the track frame 2 is tailor-welded, the final gap size cannot be determined, and it is within a certain range. Therefore, the present invention has adopted the plug plate 3 of stepped form, as image 3 As shown, one end of the plug plate 3 of the present invention is a stepped surface 31 facing and in contact with the upper cover plate of the track frame 2; the other end is a fixed end 32 which can be fixedly connected with the vehicle frame. The fixed end 32 is provided with two elongated holes 33, and the plug plate 3 can be fixed on the vehicle frame 1 through the elongated holes 33 by bolts; The side is an inclined surface 35 tran...

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Abstract

The invention discloses a novel vehicle frame and track frame connecting plug plate which is characterized in that one end of the plug plate is provided with a step surface which is towards an upper cover plate of a track frame and is in contact with the upper cover plate of the track frame, and the other end of the plug plate is a fixed end capable of being fixedly connected with a vehicle frame.According to the step type plug plate, after the assembly, the plug plate surface is in surface contact with the upper cover plate of the track frame, partial generation of stress concentration is avoided, and the plug plate basically does not abrade; the force transmission between the plug plate and the upper cover plate of the track frame is up-and-down transmission; compared with an inclined plane form plug plate, the novel vehicle frame and track frame connecting plug plate does not generate a component force in the left-right direction, a bolt for fixing the plug plate does not bear shear stress, and the shear risk is greatly reduced; the plug plate is not extruded outwards, and the effect of welling controlling a gap can be achieved well.

Description

technical field [0001] The invention relates to a plug plate connecting a vehicle frame and a crawler frame, and belongs to the technical field of crawler cranes. Background technique [0002] The frame of the telescopic crawler crane plays the role of connecting the upper and the lower. The upper part is connected to the slewing bearing and the turntable, and the lower part is connected to the left and right crawlers. Due to functional requirements, the small-tonnage telescopic crawler crane has a wide-gauge working state and a narrow-gauge working state. The frame 1 and two crawlers Frame 2 adopts a plug-in connection method. There is a gap between frame 1 and track frame 2 in this connection method. If the gap is too large, it will affect the performance of the whole machine. If the gap is too small, assembly will be difficult. Therefore, it is necessary to repair the frame after assembly 1 and the crawler track to control the gap, usually adding a plug plate 3' on the in...

Claims

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Application Information

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IPC IPC(8): B62D55/10
CPCB62D55/10
Inventor 潘丹丹丁美莲田洪杰
Owner XCMG CONSTR MACHINERY
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