JPS58173541U

JPS58173541U - Platform frame hoisting device for transport vehicles

Info

Publication number: JPS58173541U
Application number: JP4421283U
Authority: JP
Inventors: 政樹堀
Original assignee: 精工技研株式会社
Priority date: 1983-03-29
Filing date: 1983-03-29
Publication date: 1983-11-19

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図はこの考案を施した運搬車輛の要部切断した側面
図、第２図、第３図はその作用状態の説明側面図、第４
図は第１図Ｉ−Ｉ線断面図、第５図は第２図Ａ部拡大説
明斜視図、第６図はこの発明の作用説明グラフを示し、
第７図は従来装置を施した運搬車輛の側面図、第８図は
同作用説明側面図を示す。図面において、同一符号は同一部分または均等部分を示
し、１は車台、２はその後端縁、３は荷台枠、４はその
後側縁、５はその関着部、６は荷台枠の前端縁、７は車
杏の前側縁、８，９は上、下起伏作動腕杆１２，１３の
基端縁、ｉｏ、ｉｌは枢着部、１４．１５は先端縁、１
６は関着部、１７は伸縮作動機構、１９は油圧シリンダ
、２０゜２１は枢着部、２２はシリンダ部、２３は伸縮
作動杆、２４はその基端、２５は突縁を示す。Figure 1 is a cutaway side view of the main parts of a transport vehicle incorporating this invention, Figures 2 and 3 are side views illustrating its operating state, and Figure 4
The drawings are a sectional view taken along the line I-I in FIG. 1, FIG. 5 is an enlarged perspective view of section A in FIG. 2, and FIG. 6 is a graph explaining the operation of the present invention.
FIG. 7 is a side view of a transport vehicle equipped with a conventional device, and FIG. 8 is a side view illustrating the same operation. In the drawings, the same reference numerals indicate the same or equivalent parts, 1 is the chassis, 2 is the rear edge, 3 is the carrier frame, 4 is the rear side edge, 5 is the joint part, 6 is the front edge of the carrier frame, 7 is the front edge of the vehicle apricot, 8 and 9 are the proximal edges of the upper and lower lifting arm levers 12 and 13, io and il are the pivot parts, 14.15 are the tip edges, 1
Reference numeral 6 indicates a joint portion, 17 a telescopic operating mechanism, 19 a hydraulic cylinder, 20°, 21 a pivot portion, 22 a cylinder portion, 23 a telescopic operating rod, 24 its base end, and 25 a projecting edge.

Claims

[Scope of utility model registration request]

A front edge 6 of a loading platform frame 3 whose rear edge 4 is movably joined 5 to a rear edge 2 of the chassis 1, and a base edge 8□ 9 are pivotally connected to the front edge 7 of the chassis 1. The tip edges 14.15 of the upper and lower hoisting arm rods 12, 13 are foldably connected 16, and the lower hoisting arm rod 12.13 is used to extend and retract the hydraulic cylinder 19 as the telescopic actuating mechanism 17. In a transport vehicle that is configured to rotate and raise and lower by actuation, the base end edge 8 of the upper raising and lowering arm rod 12 is pivotally connected to the front end edge of a front-rear projecting edge 25 provided on the lower surface of the loading platform frame 3. At the same time,
Its tip edge 14 protrudes toward the rear of the vehicle chassis, and the tip edge 14 of the upper hoisting arm rod 2 has two lower hoisting arm rods 13, 13 arranged side by side with an appropriate gap in between. The leading edge 15.15 is articulated 16 so as to be foldable forward, and its two lower lifting arm rods 13, 13
The proximal edges 9, 9 of the chassis 1 are pivotally attached to both sides of a protruding edge protruding from the front upper surface of the vehicle chassis 1, and two lower undulating arm rods 13, 13 are provided with two base end edges 9, 9 in a midway gap between the two lower undulating arm rods 13, 13. hydraulic cylinder 1
The cylinder portions 22.22 of 9.19 are held together with clamps or the like and pivotally mounted 21.21, and the base ends 24 of the telescoping rods 23.23 of the hydraulic cylinders 19.19 are
, 24 are pivotally mounted on both sides of the upper lifting arm rod 14.
1. A platform frame hoisting device for a transport vehicle, characterized in that: