JPS644007U

JPS644007U -

Info

Publication number: JPS644007U
Application number: JP9732187U
Authority: JP
Priority date: 1987-06-26
Filing date: 1987-06-26
Publication date: 1989-01-11
Anticipated expiration: 2002-06-26
Also published as: JPH0542563Y2

Description

[Brief explanation of the drawing]

第１図は、本考案の一実施例を示す側面図、第
２図は、同じく縦断拡大側面図、第３図は、短縮
時、地下へ埋没しうるようにした例を略示する縦
断面図、第４図及び第５図は、それぞれ、中部管
柱を上昇させる手段の別の例を示す要部の縦断側
面図であ。１…下部管柱、１ａ…底壁、２…中部管柱、２
ａ…底壁、３…上部管柱、４…油圧シリンダ、５
…ピストンロツド、６…軸受、７…水平ピン、８
…上部プーリ、９…下部プーリ、１０，１１…索
条、１２…支片、１３…軸受、１４…受片、１５
…投光器、１６…操作盤、１７…油圧シリンダ、
１８…ピストンロツド、１９…垂直孔、２０…シ
ヤツター、２１…モータ、２２，２３…プーリ、
２４…索条、２５…モータ、２６…ねじ杆、２７
…ナツト。 Fig. 1 is a side view showing an embodiment of the present invention, Fig. 2 is an enlarged vertical side view, and Fig. 3 is a vertical cross-section schematically showing an example in which the invention can be buried underground when shortened. 4 and 5 are longitudinal sectional side views of main parts showing other examples of means for raising the middle pipe column. 1...Lower tube column, 1a...Bottom wall, 2...Middle tube column, 2
a...Bottom wall, 3...Upper pipe column, 4...Hydraulic cylinder, 5
...Piston rod, 6...Bearing, 7...Horizontal pin, 8
...Upper pulley, 9...Lower pulley, 10, 11...Cable, 12...Support piece, 13...Bearing, 14...Support piece, 15
...Floodlight, 16...Operation panel, 17...Hydraulic cylinder,
18... Piston rod, 19... Vertical hole, 20... Shutter, 21... Motor, 22, 23... Pulley,
24... Cable, 25... Motor, 26... Screw rod, 27
...Natsuto.

Claims

[Scope of Claim for Utility Model Registration] (1) A tube column with a floodlight attached to its upper end is fitted into a plurality of tube columns in sequence, and the lowest end is placed upright on the ground, and A pulley is provided at the upper and lower ends of the intermediate pipe column, and the other ends of the two cables are fixed at one end to the lower pipe column.
A retractable lighting pole that is fixed to the lower part of the upper pipe column through upper and lower pulleys, and is provided with means for pushing up the next pipe column from the lowest end. (2) The scope of the utility model registration claim, in which the means for pushing up the pipe column next to the lowest end is a downward fluid pressure cylinder that is installed within the pipe column and has a piston rod that can press the ground when it is ejected. No. (1)
Telescoping lighting pole as described in section. (3) The means for pushing up the next pipe post from the lowest end is a cable that is rotated in the vertical direction by a motor and partially latched to the pipe post. Telescoping lighting poles as described in scope (1). (4) A utility model in which the means for pushing up the tube column next to the lowest end is a vertical screw rod rotated by a motor and a nut fixed to the tube column and screwed into the screw rod. A retractable lighting pole according to registered claim (1). (5) The telescoping type according to any one of claims (1) to (4) for utility model registration, in which the lowest pipe column is installed so that it can rotate around a horizontal axis. Lighting pole. (6) One side of the lowest pipe column is pivoted on the ground with a horizontal axis, and a downward facing hydraulic cylinder with a piston rod that can press the ground when projected is attached to the other side. A retractable lighting pole as set forth in claim (5) of the utility model registration. (7) The retractable lighting pole according to any one of claims (1) to (6) for utility model registration, in which the mounting surface of the lowermost pipe column is sunk below the ground surface. (8) Utility model registration claim No. 7 in which the amount of settlement is greater than the total height of the product in the completely shortened state.
) Telescoping lighting pole as described in item ). (9) Claim No. (8) for Utility Model Registration: A shutter that is aligned with the ground surface is provided on the upper surface of the submerged part.
Telescoping lighting pole as described in section.