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Overhead transport vehicle

A technology for overhead cranes and ceilings, which is applied in the directions of motor vehicles, railway vehicles, and heavy-duty pulleys to achieve the effect of suppressing swing and suppressing the transmission of vibrations.

Inactive Publication Date: 2015-04-15
MURATA MASCH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the technologies disclosed in Patent Document 1 and Patent Document 2, there is a technical problem that the vibration generated in the transport vehicle is easily transmitted to the conveyed objects.

Method used

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  • Overhead transport vehicle
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Examples

Experimental program
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Embodiment Construction

[0054] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0055] First, refer to figure 1 The overall structure of the transport system of the present invention will be described. The transport system of the present invention includes a trolley as an example of a "crane". figure 1 It is a top view showing the overall structure of the conveyance system.

[0056] exist figure 1 Among them, the transportation system according to the present embodiment is configured to include a rail 100 , a trolley 200 , and a controller 300 .

[0057] The rail 100 is laid on the ceiling, for example, and is made of metal such as aluminum and stainless steel.

[0058] A plurality of trolleys 200 are arranged on the track 100 . Each trolley 200 travels along the rail 100, thereby being able to transport the FOUP which is the object to be transported.

[0059] Furthermore, each vehicle 200 has an on-board controller 205 . The on-vehicle cont...

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PUM

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Abstract

An overhead transport vehicle comprises a travelling unit 210, a conveying unit 220, and a swing inhibiting member 270. The travelling unit 210 is configured to travel on a rail 100. The conveying unit 220 is configured to move and convey an article 400. The swing inhibiting member 270 is configured to move from a pushing position to a retracting position and vice versa. The swing inhibiting member includes a pushing member 273. first and second lever members 271 and 272, and a biasing member 274. The pushing member 273 is configured to push the side surface of the article 400. The lever members 271, 272 support the pushing member 273 at the first end side. The second end side of the lever members 271, 272 is pivotally supported by the conveying unit. The biasing member 274 is configured to bias the pushing member 273 toward the article. The pushing member 273 includes a main body member 750, slide members 731 and 732, and elastic bodies 761 and 762. The main body member 750 is pivotally supported by the lever members 271, 272. The slide members 731, 732 are slidably supported by the main body member 750. The elastic bodies 761, 762 are arranged between the main body member 750 and the slide members 731, 732 are configured to allow the main body member 750 to elastically slide.

Description

technical field [0001] The present invention relates to a crane, and more particularly to a crane for conveying objects to be conveyed, such as containers containing various substrates and the like for semiconductor device manufacturing, on rails. Background technique [0002] As a conventional transport vehicle, a suspension type transport vehicle (so-called OHT: Overhead Hoist Transport: Overhead Hoist Transport) is known. The suspension type transport vehicle transports objects to be transported such as FOUP (Front Opening Unified Pod: Front Opening Unified Pod) by traveling on rails laid on the ceiling. Such a transport vehicle may include a fall prevention member and a swing suppression member. The fall prevention member prevents the object from falling by protruding to the lower side of the object being transferred. The swing suppression member is formed to be rotatable in conjunction with the drop prevention member, and suppresses swing by pressing the object to be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C13/06B65G1/00B66C11/06B66C17/04
CPCH01L21/67733B61B3/00B66C13/06
Inventor 小林诚
Owner MURATA MASCH LTD