JPH03119002U

JPH03119002U -

Info

Publication number: JPH03119002U
Application number: JP2526590U
Authority: JP
Priority date: 1990-03-13
Filing date: 1990-03-13
Publication date: 1991-12-09

Description

[Brief explanation of drawings]

第１図および第２図は従来手段を示し、第１図
は従前の鉄道の道床交換作業用の作業車輛の側面
図、第２図は同上の底面図である。第３図乃至第
７図は本考案の実施例を示し、第３図は本考案に
よる鉄道の道床交換作業用の作業車輛の側面図、
第４図は同上作業車輛の要部の斜視図、第５図は
同上作業車輛の要部の一部破断した後面図、第６
図は、同上作業車輛の、鉄製の鍔付き車輪を軸支
するブラケツトを支持機枠に対して、９０度旋回
させて組付けた状態の要部の一部破断した後面図
、第７図は同上作業車輛の油圧回路の説明図であ
る。図面符号の説明、Ａ…作業車輛、Ｄ・Ｄ′…間
隔巾、Ｋ１・Ｋ２…油圧回路、Ｍ…油圧モーター
、Ｐ１・Ｐ２・Ｒ３…油圧ポンプ、Ｒ…レール、
Ｒ′…補助レール、ＳＪ…スイベルジヨイント、
Ｖ１・Ｖ２…制御バルブ、Ｖ・Ｖ３…セレクター
バルブ、Ｖ４…空転切換バルブ、ａ…バツクホウ
、ｂ…支持機枠、ｍ…油圧モーター、ｗ…ポート
、１…車体、１０…クローラ、１１…旋回台、１
２…運転席、１３…駆動部、１４…作業機、１４
０…ブーム、１４１…バケツト、２…油圧シリン
ダ、３…鍔付き車輪、３０…回転軸、３１…ブラ
ケツト、３２…セツトボルト、４…アウトリーガ
ー、４０…ヒンジ、５・６…操作レバー。 FIGS. 1 and 2 show conventional means, with FIG. 1 being a side view of a conventional working vehicle for railway bed replacement work, and FIG. 2 being a bottom view of the same. 3 to 7 show an embodiment of the present invention, and FIG. 3 is a side view of a working vehicle for railway bed replacement work according to the present invention;
Fig. 4 is a perspective view of the main parts of the same working vehicle, Fig. 5 is a partially cutaway rear view of the main parts of the same working vehicle, and Fig. 6 is a perspective view of the main parts of the same working vehicle.
The figure is a partially cutaway rear view of the main parts of the same work vehicle, with the bracket that supports the iron flanged wheels pivoted 90 degrees relative to the support machine frame, and the main part is assembled. It is an explanatory view of a hydraulic circuit of the work vehicle same as the above. Explanation of drawing symbols, A...Work vehicle, D, D'...Distance width, K1, K2...Hydraulic circuit, M...Hydraulic motor, P1, P2, R3...Hydraulic pump, R...Rail,
R'...Auxiliary rail, SJ...Swivel joint,
V1/V2...control valve, V/V3...selector valve, V4...idling switching valve, a...backhoe, b...support machine frame, m...hydraulic motor, w...port, 1...car body, 10...crawler, 11...swivel stand, 1
2... Driver's seat, 13... Drive section, 14... Working machine, 14
0...Boom, 141...Bucket, 2...Hydraulic cylinder, 3...Flammed wheel, 30...Rotating shaft, 31...Bracket, 32...Set bolt, 4...Outrigger, 40...Hinge, 5, 6...Operation lever.

Claims

[Scope of utility model registration request]

A swivel base 1 supports a driver's seat 12, a working machine 14, and a drive unit 13 such as a hydraulic device on a vehicle body 1 that is movable by left and right crawlers 10, 10.
1 is rotatably mounted via a swivel joint SJ, and at the front and rear of the vehicle body 1 there are supporting machine frames b and 2 that are rotated up and down by hydraulic cylinders 2 provided on the vehicle body 1
b are respectively mounted, and on these supporting machine frames b and b, iron flanged wheels 3... which are mounted on railway rails R and R are mounted on shafts, and these wheels 3...
The hydraulic motor M that drives the rotating shaft 30 of the desired flanged wheel 3 is supported, and the hydraulic circuit of the hydraulic motor M is connected to the hydraulic motor m.m that drives the drive wheels of the left and right crawlers 10 . In the hydraulic circuit of
A work vehicle for railway track bed replacement work, characterized in that a swivel joint SJ is connected via a selector valve V on the vehicle body 1 side.