JPS588633U

JPS588633U - Device for maintaining cargo box elevation in dump truck

Info

Publication number: JPS588633U
Application number: JP10124781U
Authority: JP
Inventors: 木ノ内　清治
Original assignee: 株式会社金剛製作所
Priority date: 1981-07-09
Filing date: 1981-07-09
Publication date: 1983-01-20

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 drawings]

第１図は従来の荷箱上昇状態維持装置安概略構成図、第
２図は第１図の要部縦断面図、第３図は本考案の一実施
例の概略構成図、第４図は第３図の側面図、第５図は同
しく要部断面図、第６図は同じく要部装着部分の断面図
、第７図は本考案の他の実施例の概略構成図、笹８図は
第７図の側面図、第９図および第１１図は本考案のさら
に他の実施例の概略構成図、第１０図および第１２図は
第９図および第１１図の側面図である。８　（図中に表わされた主要な符号の説明）、１゜ＩＢ
二安全棒本体、２：支持棒、３：枠体、４：枢軸、４１
：連結管、５．５１：支持軸、１１：受圧板、１２：接
触面、７２：荷箱主桁、８１：サブフレーム、１０１．
４０１：操作ハンドル、２０１：挺子棒、２０２：ロー
ラ、２０４：梃子軸、３０１ニスプリング、：３？４：
取手。 −第３図　　　７２￥＋−−−一上一、゛」」Fig. 1 is a schematic diagram of the safety structure of a conventional cargo box lifting state maintaining device, Fig. 2 is a vertical sectional view of the main part of Fig. 1, Fig. 3 is a schematic diagram of an embodiment of the present invention, and Fig. 4 is Fig. 3 is a side view, Fig. 5 is a sectional view of the main part, Fig. 6 is a sectional view of the main part attachment part, Fig. 7 is a schematic configuration diagram of another embodiment of the present invention, and Fig. 8 is a sectional view of the main part. 7 is a side view of FIG. 7, FIGS. 9 and 11 are schematic configuration diagrams of still other embodiments of the present invention, and FIGS. 10 and 12 are side views of FIGS. 9 and 11. 8 (Explanation of main symbols shown in the figure), 1゜IB
2 Safety rod bodies, 2: Support rod, 3: Frame, 4: Pivot, 41
: Connecting pipe, 5.51: Support shaft, 11: Pressure receiving plate, 12: Contact surface, 72: Main girder of cargo box, 81: Subframe, 101.
401: Operation handle, 201: Lever rod, 202: Roller, 204: Lever shaft, 301 Nispring: 3?4:
Toride. -Figure 3 72 yen +----1, 1,゛''

Claims

[Scope of utility model registration request]

Respective frames 3.3 are provided on the left and right rear ends of the sub-frame 81 of the vehicle body 8 of the dump truck, and respective pivots 4.4 are provided which are rotatably pivoted to the sides of the frame bodies.
a pressure receiving plate 11 fixed to the frame body, one end forming a contact surface 12 with the bottom surface of the frame body, and the other end provided at right angles to the longitudinal direction;
A connecting member 41 is provided which integrally connects the respective pivot shafts of the safety rod bodies, and a connecting member 41 is provided to integrally connect the respective pivot shafts of the safety rod bodies, and the required number of the cargo boxes 7 in the raised state of the dump truck is provided. In order to maintain the opening angle, each of the safety rod bodies is uniformly erected via the pivot connecting member, and the pressure receiving plate is brought into close contact with the lower surface of the main girder of the cargo box at right angles, and the frame body is A device for maintaining a lifted state of a cargo box in a dump truck, comprising a safety rod main body operation means that brings the entire surface of the contact surface into contact with the bottom surface of the container.