JPH0460993U

JPH0460993U -

Info

Publication number: JPH0460993U
Application number: JP10436390U
Authority: JP
Priority date: 1990-10-03
Filing date: 1990-10-03
Publication date: 1992-05-26

Description

[Brief explanation of drawings]

第１図は本考案マスト式クレーン装置の一例と
してビルの屋上に設置されている状況の１例を示
す立面図、第２ａ図は本考案マスト式クレーン装
置の１実施例を伸長位置で示す平面図、第２ｂ図
はその立面図、第３図はこの実施例のマスト昇降
機構を説明するマスト部分の略図的拡大縦断面図
、第４図はマスト昇降時のガイドローラ機構およ
びマスト上昇時のセリ力伝達シユー機構を示すマ
スト部分の略図的拡大縦断面図、第５図はマスト
部分の拡大横断面図、第６図は第４図の部であ
るガイドローラ機構の拡大縦断面図、第７図は昇
降ロツク機構を示すマスト部分の拡大縦断面図で
ある。１……ビル、２……クレーン装置、３……格納
レセス、４……床面、５……マスト部分、６……
水平ビーム部分、７……ワイヤロープ、８……作
業台、１０……ベース、１１……下段マスト、１
２……中段マスト、１３……上段マスト、１４…
…旋回ベアリング、１５……機械室、１６……固
定アーム、１７……移動式アーム、１８……先端
ブロツク、２０……ピニオン、２１……ラツク、
２２……倍速ピニオン、２３……ハンガーピン、
２４，２５……ラツク、３０−１，３０−２……
ローラガイド、３１……取付部材、３２……枢軸
、３３……取付板、３４……エラステイツクパツ
ド、３５……ローラガイド部材、３６……ローラ
、４０，４０′……昇降ロツク機構、４１，４１
′……ロツクアーム、４２，４２′……取付台、
４３，４３′……モートルシリンダ取付台、４４
，４４′……モートルシリンダ。 Fig. 1 is an elevational view showing an example of the mast type crane device of the present invention installed on the roof of a building, and Fig. 2a shows an embodiment of the mast type crane device of the present invention in an extended position. A plan view, FIG. 2b is an elevational view, FIG. 3 is a schematic enlarged longitudinal cross-sectional view of the mast portion explaining the mast lifting mechanism of this embodiment, and FIG. 4 is a guide roller mechanism and mast lifting when lifting the mast. FIG. 5 is an enlarged cross-sectional view of the mast portion, and FIG. 6 is an enlarged vertical cross-sectional view of the guide roller mechanism, which is the part shown in FIG. 4. , FIG. 7 is an enlarged longitudinal cross-sectional view of the mast portion showing the elevating and lowering lock mechanism. 1... Building, 2... Crane device, 3... Storage recess, 4... Floor surface, 5... Mast part, 6...
Horizontal beam part, 7... Wire rope, 8... Workbench, 10... Base, 11... Lower mast, 1
2...middle mast, 13...upper mast, 14...
... Swivel bearing, 15 ... Machine room, 16 ... Fixed arm, 17 ... Movable arm, 18 ... Tip block, 20 ... Pinion, 21 ... Rack,
22...Double speed pinion, 23...Hanger pin,
24, 25...Rack, 30-1, 30-2...
Roller guide, 31... Mounting member, 32... Pivot, 33... Mounting plate, 34... Elastic pad, 35... Roller guide member, 36... Roller, 40, 40'... Lifting lock mechanism, 41,41
'...Lock arm, 42,42'...Mounting base,
43, 43'...Motor cylinder mounting base, 44
, 44'...Motor cylinder.

補正平２．１１．６図面の簡単な説明を次のように補正する。明細書第１３頁第１７〜２０行「４０，…４４
，４４′」を「４０，４１，４２，４３……固定
シユー、１４０，１４０′……昇降ロツク機構、
１４１，１４１′……ロツクアーム、１４２，１
４２′……取付台、１４３，１４３′……モート
ルシリンダ取付台、１４４，１４４′」と訂正。Amendment 2.11.6 The brief description of the drawing is amended as follows. Specification page 13, lines 17-20 “40,...44
, 44' is replaced by ``40, 41, 42, 43...fixed shoe, 140, 140'...lifting lock mechanism,
141,141'...Lock arm, 142,1
42'...Mounting base, 143,143'...Motor cylinder mounting base, 144,144'" was corrected.

Claims

[Claims for Utility Model Registration] 1. A mast part that is fixed on the floor or a movable table and expands and contracts in the vertical direction from a retracted position stored in a storage recess to an extended position during work, and a mast part that pivots on this mast part. a horizontal arm portion retractably mounted and horizontally extending from a retracted position retracted in a storage recess to an extended working position; 2. The apparatus according to claim 1, wherein the mast portion is composed of a plurality of masts that fit together in a telescopic manner, and these masts are raised and lowered by rack pinions. Crane equipment. 3. The mast elevating crane apparatus according to claim 2, wherein the mast is provided with a guide roller mechanism that guides elevating and lowering, and a fixed shoe mechanism that receives a pruning force in the mast raised position. 4. The mast elevating crane apparatus according to claim 2, further comprising an elevating lock mechanism for locking the mast in the mast raised position.