JP4062745B2 - Track work machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a track working machine used for, for example, a railroad track and its surrounding repair work.
[0002]
[Prior art]
Conventionally, as this type of track work machine, for example, Japanese Utility Model Laid-Open No. 4-59505 or Japanese Utility Model Laid-Open No. 4-74105, a work track body provided with an excavator excavation mechanism, a crane mechanism, etc. 2. Description of the Related Art A vehicle having a traveling drive body such as a tire and a rail traveling wheel is known.
[0003]
Therefore, for example, when excavating excavation work, crane work or sleeper replacement work, the traveling drive body such as crawler belts and tires are installed on the ground and the wheel is lifted away from the ground, and on the rail for moving places etc. When traveling, the wheel is mounted on the rail, and a traveling drive body such as a crawler belt or a tire is lifted away from the ground, and the wheel is driven in this state to travel the rail.
[0004]
[Problems to be solved by the invention]
However, in the above conventional structure, there are two types of dimensions between the two rails, a wide track and a narrow track, and there is a disadvantage that the size between the wheels cannot be changed according to the size between the rails.
[0005]
[Means for Solving the Problems]
SUMMARY OF THE INVENTION The present invention aims to solve such inconveniences. Among the present inventions, the invention according to claim 1 is provided with a traveling drive body for ground traveling and a rail traveling wheel on the work machine body. The leg machine body is arranged at the left and right positions in the running direction of the work machine body, the running drive body is arranged on each leg machine body, and the swinging member can swing up and down at the front and rear positions of the work machine body in the running direction. The wheel is disposed on each swing member, a vertical movement cylinder is installed between the work machine body and the swing member, and the pair of left and right wheels are adjusted to the dimension between the two rails. A wide and narrow adjusting mechanism that moves in accordance with the width of the support shaft is disposed on the swinging member perpendicular to the rail laying direction, and the wheel is mounted on the support shaft. It is arranged so as to be movable in the axial direction and is selectively inserted into a predetermined position from both radial directions of the support shaft. By location, in orbit for a working machine according to characterized in that it comprises a split member that can be attached to a fixed position in the wide track position or narrow-gauge road position wheel.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 to FIG. 12 show an embodiment of the present invention. Reference numeral 1 denotes a work machine body, which is composed of a lower traveling machine body 1a and an upper turning machine body 1b. The upper turning machine body 1b is connected to the lower traveling machine body 1a with a turning axis. A turning operation mechanism comprising a gear mechanism (not shown) is provided at the center of 1c so as to be able to turn. In this case, a work mechanism 2 serving as a crane mechanism is provided on the upper turning body. In addition, not only a crane mechanism but a bucket excavation mechanism and other working mechanisms 2 are provided.
[0007]
Reference numerals 3 and 3 denote leg machine bodies, which are disposed at both left and right positions in the running direction of the lower traveling machine body 1a of the work machine body 1, and serve as a traveling drive body 4 hydraulically driven by the left and right leg machine bodies 3 and 3, respectively. A crawler belt is provided. Note that tire wheels may be employed as the traveling drive body 4.
[0008]
Reference numerals 5 and 5 denote swing members. In this case, an axle tube portion 5b is installed at the distal ends of a pair of left and right arms 5a and 5a. A mounting frame 6 is projected, and the base ends of the arms 5a and 5a of the swing members 5 and 5 are pivotally attached to the mounting frame 6 by a fulcrum shaft 7 so as to be swingable up and down. Bearing shafts 8 and 8 are supported, rail travel wheels 9 are arranged on the support shafts 8 and 8, and the tip portions of the rods of a total of four hydraulic vertical movement cylinders 10 are attached to the mounting frame 6 in pairs. A pivot 10 is pivotally connected by a pin 10a, and a base portion of a vertically moving cylinder 10 is pivotally connected by a pin 10b to an axle tube portion 5b of the swing member 5.
[0009]
In this case, the wheels 9, 9 are composed of a metal inner ring body 9a, bulging elastic insulators 9b, 9c such as MC nylon resin material, and a metal outer ring body 9d, and the outer circumference of the inner ring body 9a. The peripheral flange portion 11 is formed at the inward end of the surface, the step portion 12 fitted to the peripheral flange portion 11 is formed at the inner end portion of one insulator 9b, and the step portion 13 is formed at the other insulator 9c. The sandwiching recess 14 formed by the step portion 13 and one insulator 9b is formed, and the peripheral flange portion 15 that can be fitted into the sandwiching recess 14 is formed in the outer ring body 9d, and the inner ring body 9a is formed. The clamping member 16 is fixed to the outer surface of the bolt by a bolt 17, whereby the insulators 9b and 9c are clamped by the peripheral flange portion 11 and the clamping member 16, and 9b and 9c are bulged by this clamping, By this swelling, the insulators 9b and 9c are pressed against the inner peripheral surface of the outer ring body 9d and the outer peripheral surface of the inner ring body 9a. The circumferential flange portion 15 is sandwiched by the sandwiching recess 14 formed by the step portion 13 and one insulator 9b, and a circumferential groove 9e is formed on the inner circumferential surface of the outer ring body 9d. The presser bolt 9f is screwed, the inner peripheral surface of the insulator 9b is pressed by the presser bolt 9f, the outer peripheral surface of the insulator 9b is bulged by the press, and is inserted into the peripheral groove 9e, thereby removing the insulator 9b. Thus, the wheel 9 is constituted.
[0010]
Reference numeral 18 denotes a wide / narrow adjustment mechanism. In this case, the support shafts 8 and 8 are rotatably supported by bearings 19 on the axle tube portion 5b at the tip of the swing member 5, as shown in FIG. 9 or FIG. A pulley-like transmission member 20 is inserted into each support shaft 8 and the wheel 9 and the clamping member 16 are inserted so as to be movable in the axial direction of the support shaft 9, and the support shaft is located outside the inner ring body 9 a. 8, the pressing member 21 is inserted, and a plurality of tightening bolts 22 are threaded from the pressing member 21 side through the tightening pressure member 16 and the inner ring body 9a and screwed into the transmitting member 20, and as shown in FIG. A pair of split members 23 and 23 are formed between the inner ring body 9a and the inner surface of the inner ring body 9a or between the clamping member 16 and the pressing member 21 as shown in FIG. , The inner side surface of the inner ring body 9 a, the clamping member 16, the pressing member 21, and the divided members 23. Are formed, and the transmission member 20, the divided member 23, the wheel 9, the clamping member 16 and the pressing member 21 are integrated to form the end of the support shaft 8. A stopper ring 28 is fitted on the side, thereby preventing the integrated transmission member 20, split member 23, wheel 9, clamping member 16 and pressing member 21 from coming off from the support shaft 8, and further supporting shaft The fixing member 29 is attached to the end surface of the bolt 8 with a bolt 30, and the integrated transmission member 20, split member 23, wheel 9, clamping member 16 and pressing member 21 are positioned on the support shaft 8 in the axial direction of the support shaft 8. It is configured to be fixedly mounted, and the dimensions of the wheel 9 are changed by the dimension L ₁ or L ₂ between the two rails W and W.
[0011]
Reference numeral 31 denotes a wheel drive mechanism, and a mounting base 32 is attached to the side surface of the arm portion 5b of each of the four left and right swing members 5, and the three arm portions 5b out of the four arm portions 5b. A hydraulic drive motor 33 is attached to the mounting base 32 and a hydraulic brake 34 is attached to the remaining one arm portion 5b, thereby ensuring a separation distance M between the drive motor 33 and the brake 34 and the ground S. A transmission mechanism 35 is interposed between the drive motor 33 and the brake 34 and the transmission member 20. In this case, a pulley-like drive wheel body 36 is attached to the main shaft of the drive motor 33 and the brake 34. A belt 37 is wound around the transmission member 20, the transmission member 20 is driven and rotated via the belt 37 by the drive motor 33, the wheel 9 is rotated via the plurality of tightening bolts 22, and the hydraulic brake 34 is used. Be Are configured via the door 37 applies a braking force to the transmitting member 20.
[0012]
Since this embodiment is configured as described above, for example, during crane work, the swinging member 5 is moved around the fulcrum shaft 7 by reducing the rod of the vertical movement cylinder 10 as shown in FIGS. By swinging upward and thereby moving the four wheels 9 upward, the crawler track as the traveling drive body 4 is placed on the ground S on the sides of the two rails W on both sides, and the wheels are lifted from the rail W, In this state, the crane work is performed, and when traveling on the rail W for moving the place, etc., as shown in FIGS. The member 5 is swung downward about the fulcrum shaft 7, and the wheel 9 is lowered to be placed on the rail W, whereby the work machine body 1 is lifted and the traveling drive body 4 is separated from the ground. To drive the wheel 9 It will be Article running.
[0013]
When the dimensions of the wheel 9 are changed by the dimension L ₁ or L ₂ between the two rails W and W, the swing member 5 is swung upward by the vertical movement cylinder 10, and the travel drive body 4 is The crawler belt is grounded and the wheel 9 is floated. In this state, as shown in FIG. 5, for example, when the inter-rail dimension L ₁ is a wide track, the wide adjustment mechanism 18 first removes the fixing member 29 from the support shaft 8. The plurality of tightening bolts 22 are loosened at least according to the depth of the circumferential grooves 24, 25 or 26, 27, and the wheel 9 is moved outward until the outer surface of the pressing member 21 contacts the stopper ring 28. In this state, the split members 23 and 23 divided into two parts are inserted between the transmission member 20 and the inner ring body 9a of the wheel 9 from both radial directions of the support shaft 8, and the end portions of the split members 23 are inserted into the circumferential grooves 24 and 25, respectively. In this state, tighten the The transmission member 20, the split member 23, the wheel 9, the clamping pressure member 16, and the pressing member 21 are integrated by tightening the bolt 22, and the wheel 9 is attached to the support shaft 8 by attaching the fixing member 29 to the support shaft with the bolt 30. It can be mounted with its position fixed in the axial direction of the support shaft 8, and accordingly, as shown in FIG. 5 and FIG. 9, the distance between the wheels 9 and 9 corresponds to the inter-rail dimension L ₁ of a wide track, As shown in FIG. 8, when the inter-rail dimension L ₂ is changed when the track is narrow, in the wide / narrow adjustment mechanism 18, the fixing member 29 is first removed from the support shaft 8, and the plurality of tightening bolts 22 are at least circumferential grooves 24. Loosen according to the depth of 25 or 26, 27, and move the wheel 9 outward until the outer surface of the pressing member 21 abuts against the stopper ring 28. In this state, the divided members 23, 23 are divided into two by the support shaft 8 Both The transmission member is inserted between the clamping member 16 and the pressing member 21 from the radial direction and the end portions of the divided members 23 are fitted into the circumferential grooves 26 and 27, respectively, and the clamping bolts 22 are tightened in this state. 20, the wheel 9, the clamping member 16, the dividing member 23, and the pressing member 21 are integrated, and the fixing member 29 is attached to the support shaft by the bolt 30, so that the wheel 9 is positioned on the support shaft 8 in the axial direction of the support shaft 8. As shown in FIGS. 8 and 10, the distance between the wheels 5 and 5 corresponds to the narrow rail-to-rail dimension L ₂ as shown in FIGS. When changing the dimension L ₁ or L ₂ between W, the swing member 5 is swung upward by the up-and-down moving cylinder 10 to change to a narrow or narrow track by the wide and narrow adjustment mechanism 18 in a state where the wheel 9 is lifted. Can , It is possible to correspondingly increase the flexibility of the work.
[0014]
In addition, in this case, as the wide and narrow adjustment mechanism 18, the support shaft 8 is disposed on the swing member 5 orthogonal to the laying direction of the rail W, and the rail traveling wheel 9 is disposed on the support shaft 8 in the axial direction of the support shaft 8. Since the divided members 23 and 23 are arranged so as to be freely movable and the wheel 9 can be regulated to a wide or narrow orbit position, the divided members 23 and 23 are arranged on both the support shafts 8. By selectively inserting and arranging at a predetermined position from the radial direction, it is possible to cope with a change to a wide or narrow track, and to improve workability.
[0015]
The present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, a crawler type work machine body using a crawler belt as the traveling drive body 4 is used. A total of four or a plurality of tires may be disposed on the leg machine bodies 3 and 3 to form a tire-type work machine body, and the structure and the like of the wide and narrow adjustment mechanism 18 may be changed as appropriate.
[0016]
【The invention's effect】
As described above, according to the first aspect of the present invention, the work machine body is provided with a traveling drive body for ground traveling and a wheel for rail travel, and leg bodies are arranged at the left and right positions in the traveling direction of the work machine body. The above-mentioned traveling drive body is disposed on each leg machine body, and swing members are disposed at the front and rear positions in the travel direction of the work machine body so as to be swingable up and down, and the wheels are disposed on the respective swing members. Since a vertical movement cylinder is installed between the work machine body and the swinging member, and a pair of left and right wheels are moved according to the dimension between the two rails, a wide and narrow adjustment mechanism is provided. When changing the wheel-to-wheel dimensions by changing the dimensions between the rails, the swinging member is swung upward by the vertical movement cylinder to ground the traveling drive body and the wheel is lifted. The mechanism can be changed to a narrow or narrow track, and the work is flexible Can be improved, and, as the wide and narrow adjustment mechanism, the support shaft to the rocker member is disposed perpendicular to the rail laying direction, movable the wheels in the axial direction of the support shaft to the support shaft And a split member that can be fixedly mounted at a wide or narrow orbit position by selectively inserting and arranging the support shaft at a predetermined position from both radial directions of the support shaft. Therefore, by selectively inserting and arranging the dividing member at a predetermined position from both radial directions of the support shaft, it is possible to cope with a change to a wide or narrow track and improve workability.
[0017]
As described above, the intended purpose can be sufficiently achieved.
[Brief description of the drawings]
FIG. 1 is an overall side view of an embodiment of the present invention.
FIG. 2 is a partial plan view of the embodiment shown in FIG.
FIG. 3 is a partial side view of the embodiment shown in FIG.
4 is a partial side view of the embodiment shown in FIG. 1. FIG.
FIG. 5 is a partial front view of the embodiment shown in FIG. 1;
6 is a partial sectional side view of the embodiment shown in FIG. 1. FIG.
7 is a partially enlarged side view of the embodiment shown in FIG. 1. FIG.
FIG. 8 is a partial front view of the embodiment shown in FIG. 1;
FIG. 9 is a partial longitudinal sectional view of the embodiment shown in FIG.
10 is a partial longitudinal sectional view of the embodiment shown in FIG. 1. FIG.
11 is a partially exploded perspective view of the embodiment shown in FIG. 1. FIG.
12 is a partial perspective view of the embodiment shown in FIG. 1. FIG.
[Explanation of symbols]
W rail L ₁ rail dimension L ₂ rail dimension 1 traveling body 3 leg body 4 traveling drive body
5 Oscillating member 9 Wheel 10 Vertical movement cylinder 18 Wide / Narrow adjustment mechanism 23 Dividing member

Claims (1)

A work machine body is provided with a traveling drive body for traveling on the ground and a wheel for rail travel, and a leg machine body is disposed at the left and right positions in the traveling direction of the work machine body, and the travel drive body is disposed on each leg machine body. A swinging member is disposed at a front and rear position of the work machine body so as to be swingable up and down, and the wheel is disposed on each swinging member, and a vertical movement cylinder is provided between the work machine body and the swinging member. And a wide and narrow adjustment mechanism for moving the pair of left and right wheels according to the dimension between the two rails . As the wide and narrow adjustment mechanism, a support shaft is attached to the swinging member in the rail laying direction. The wheel is disposed on the support shaft so as to be movable in the axial direction of the support shaft, and is selectively inserted into a predetermined position from both radial directions of the support shaft. Dividing member that can be fixedly mounted on a wide or narrow track position Track working machine for characterized in that it comprises.

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