JPS59140373U

JPS59140373U - Air conditioning system in the cab of construction machinery

Info

Publication number: JPS59140373U
Application number: JP3455383U
Authority: JP
Inventors: 荻堂　盛嘉
Original assignee: 株式会社加藤製作所
Priority date: 1983-03-10
Filing date: 1983-03-10
Publication date: 1984-09-19

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図ないし第３図はこの考案の一実施例を示し、第１
図は自走クレーンの側面図、第２図は一部を想像線で示
した第１図中■−■線に沿う断面図、第３図は第２図中
■−■線に沿う断面図、第４図および第５図はそれぞれ
変形例を示す断面図である。１・・・車体、２・・・旋回台、３・・・旋回ベアリン
グ、６・・・・・・作業運転キャブ、１０・・・調和空
気発生機構、１７・・・第１供給ダクト、１８・・・第
２供給ダクト。Figures 1 to 3 show one embodiment of this invention.
The figure is a side view of the self-propelled crane, Figure 2 is a cross-sectional view taken along the line ■-■ in Figure 1, with part of it shown by imaginary lines, and Figure 3 is a cross-sectional view taken along the line ■-■ in Figure 2. , FIG. 4, and FIG. 5 are sectional views showing modified examples, respectively. DESCRIPTION OF SYMBOLS 1... Vehicle body, 2... Swivel base, 3... Swivel bearing, 6... Work operation cab, 10... Conditioned air generation mechanism, 17... First supply duct, 18 ...Second supply duct.

Claims

[Scope of utility model registration request]

(1) A construction machine comprising a vehicle body on which an engine is mounted, a swivel base rotatably provided on the vehicle body via a swivel bearing, and a work operation cab disposed on the swivel base. a conditioned air generation mechanism that is operated by an engine installed in the vehicle body to generate conditioned air; and a first supply duct that opens at the pivot bearing ridge for guiding the conditioned air obtained by the conditioned air generation mechanism. and a second supply duct provided through the swivel base, one end of which is always connected to the open end of the first supply duct regardless of the swivel position of the swivel base, and the other end of which is led into the work operation cab and opened. An air conditioner in a work operation cab of a construction machine, characterized by comprising a supply duct.

(2) The open end of the first supply duct is configured as an annular groove that is concentric with the swing bearing and opened upward, and one end of the second supply duct is configured as an annular groove that is concentric with the annular groove. No, the utility model registration claim No.
Air-conditioning system in the work operation cab of the construction machine described in item 1).