JP3203937U - Rail-related equipment lifting machine - Google Patents

Abstract

A rail-related tool lifting machine capable of lifting a heavy sleeper in a balanced manner by lowering a hook extending from a lifting device such as a chain block to the center between the rails even when the left and right rails have different heights. provide. SOLUTION: A long beam portion 11 on which a lifting device 2 is mounted at the center thereof, and a wheel 13 that is provided on each of the left and right sides of the beam portion 11 and that rotates on a rail 3 at a lower end portion. Each of the pair of leg portions 12L and 12R in the direction of the rail 3 is provided, and the pair of leg portions 12L and 12R on both the left and right sides is attached to the beam portion 11 so as to open and close at an arbitrary angle with respect to the beam portion 11. It has a height setting frame 121L, 121R and a connecting rod as a height setting portion that is pivotally supported so as to be opened and closed and that changes the height of the pair of legs 12L, 12R by being fixed at an arbitrary angle. [Selection] Figure 1

Description

  The present invention relates to a rail-related tool lifting machine that lifts rail-related tools such as rails and sleepers that support the rails during track maintenance.

  Railroad rails are distorted and worn out as heavy trains run. If this is left unattended, the ride comfort and running stability will deteriorate, so maintenance will be carried out regularly, and as a track maintenance work to maintain safety by maintaining the specified state, replacement of ballast (gravel), A rail-related tool lifting machine that lifts a rail-related tool such as a rail or a sleeper that supports the rail by a chain block attached to the beam while running on the rail is used (for example, a sleeper is replaced) (for example, , See Patent Document 1).

Japanese Utility Model Publication No. 7-35842

  By the way, the train running on the curve is usually pushed to the outside of the curve by the action of the centrifugal force, but in order to reduce the effect of the centrifugal force, the cant that makes the outer rail rail outside the curve higher than the inner inner rail rail Do.

  However, since the rail-related tool lifting machine of Patent Document 1 described above does not consider the cant, the rail-related tool lifting machine itself is tilted at the curved portion of the rail where the cant is performed, and the center of the beam portion is tilted. A hook extending from a lifting device such as a chain block provided on the rail is lowered to a position shifted from the center between the rails. Therefore, when carrying out the lifting work of sleepers with the rail-related tool lifting machine of Patent Document 1 in places where the heights of the left and right rails are different, such as the curved part of the rail, it is difficult to lift heavy sleepers in a balanced manner. Thus, there was a problem that smooth maintenance work was hindered.

  In addition, the rail-related tool lifting machine of Patent Document 1 described above is configured to be foldable during storage or transport, but is not provided with a structure that can be folded when folded. It is necessary to tie the pair of legs together with a rope, a wire, etc., and there is a problem that a rope, a wire, etc. are required separately.

  Therefore, the present invention has been made paying attention to these problems and the like. First, even when the left and right rails have different heights, the hook extending from the lifting device such as a chain block is placed at the center between the rails. It is possible to lift heavy sleepers in a well-balanced manner. Second, it is possible to hold the beam part and the pair of leg parts on both the left and right sides with a rope or wire without folding. An object is to provide a possible rail-related tool lifting machine.

In order to solve the above-described problems, the rail-related tool lifting machine of the present invention is long and has a beam portion to which a lifting device is mounted at the center thereof, and leg mounting portions on the left and right sides of the beam portion. A pair of legs in the rail direction each provided with a wheel that rotates on the rail at the lower end, and at least one pair of legs on each of the left and right sides Height setting that is pivotally supported by the leg mounting part so that it can be opened and closed at an arbitrary angle parallel to the rail, and that changes the height of at least one pair of leg parts by fixing at an arbitrary angle. Part.
Here, each leg attachment portion at the upper end portion of the pair of leg portions on each of the left and right sides is attached to both left and right ends of the beam portion so as to be openable and closable in the longitudinal direction of the beam portion via a folding shaft, and each leg In the state where the pair of leg portions stand upright in the direction perpendicular to the beam portion, the pair of leg portions extend in the longitudinal direction of the beam portion and toward the center thereof, while the pair of leg portions have a folding shaft. The pair of leg portions are provided in the vertical direction so that they stand upright in the vertical direction with respect to the beam portion, and are parallel to the longitudinal direction of the beam portion. Arm members of a predetermined length provided with arm-side pin holes into which fixing pins are inserted are fixed, and on the left and right sides of the beam portion, each leg portion mounting portion at the upper end of each pair of left and right legs Is supported by the folding shaft, and the pair of legs on both the left and right sides When the pair of legs on both the left and right sides are folded, the arm side at the tip of the arm part provided on each leg part is parallel to the longitudinal direction of the part. While the beam part side folding fixing hole is provided at the location where the pin hole is located, the arm at the tip of the arm part provided at each leg part attaching part when the pair of leg parts on both the left and right sides are raised It is preferable that the beam side standing fixing hole is provided at a position where the side pin hole is located.
Further, the height setting portion is composed of a height setting hole provided in each of the pair of leg portions, and a connecting rod for connecting the height setting holes to each other, and the connecting rod has a length of the connecting rod. It is recommended that a length adjuster that can be adjusted is attached.
Further, the height setting holes are preferably provided at a plurality of locations at predetermined intervals along the longitudinal directions of the insides of the pair of legs.
In addition, an attachment portion for attaching the lifting device is provided at the approximate center of the beam portion, and this attachment portion is provided with an upper end portion and a lower end portion of the inclined side so that the lifting device can be attached in an inclined state. It is preferable that a latching groove is provided in each of the sections in the lateral direction or the upward direction.

According to the rail-related tool lifting machine of the present invention, at least one of the pair of leg portions on both the left and right sides opens and closes at the leg mounting portion so as to open and close at an arbitrary angle in a direction parallel to the rail. Since it is pivotally supported and fixed at an arbitrary angle by the height setting part, it is possible to change the height of at least one pair of leg parts, so even if the left and right rails have different heights, A heavy sleeper can be lifted in a balanced manner by lowering a hook extending from a lifting device such as a provided chain block to the center between the rails.
In addition, on the left and right sides of the beam portion, the leg mounting portions at the upper end portions of the pair of left and right sides are supported via a folding shaft, and the pair of leg portions on the left and right sides are arranged in the longitudinal direction of the beam portion. When the pair of legs on both the left and right sides is folded in the parallel direction and foldable toward the center, the arm side pin hole provided at the tip of each arm part is located. Since the beam side folding fixing hole is provided at the location, align the arm side pin hole and the beam side folding fixing hole at the time of folding, and then fix to the arm side pin hole and the beam side folding fixing hole at the time of folding. By passing the pin, the beam portion and the pair of left and right leg portions can be further fastened without being separately tied with a rope, a wire, or the like when folded.

It is a front view of an embodiment of a rail related tool lifting machine according to the present invention. It is a top view of an embodiment of this rail related tool lifting machine. It is a front view which shows the attachment state of the chain block to this rail related tool lifting machine. It is a right view which shows the state which changed the height of the leg part of the right side in this rail related tool lifting machine. It is a figure which shows the state which folded this rail related tool lifting machine. It is a figure which shows the state of the left side edge part and leg part of a beam part at the time of changing this rail related tool lifting machine from a folding state to a standing state. It is a figure which shows the replacement | exchange method of sleepers etc. using this rail related tool lifting machine. It is a side view which shows the replacement | exchange method of sleepers etc. using this rail related tool lifting machine. It is a side view which shows the replacement | exchange method of sleepers etc. using this rail related tool lifting machine in case the height of a rail on either side differs.

  Next, an embodiment of the rail-related tool lifting machine 1 will be described.

  1-3 is a figure which shows the rail related tool lifting machine 1 of this embodiment, Comprising: Fig.1 (a) is a front view, FIG.1 (b) is an enlarged view of the A section in Fig.1 (a). 2 (a) is a plan view, and FIG. 2 (b) is an enlarged view of a portion B in FIG. 2 (a). 3A is an enlarged view of the portion C in FIG. 1A viewed from the opposite (rear) direction, and FIG. 3B is a left side view of the portion C.

  As shown in FIGS. 1 and 2, the rail-related tool lifting machine 1 of the present embodiment is long and has a beam portion 11 on which a chain block 2 that is a lifting device is mounted substantially in the center, and the beam portion. 11 has a pair of leg portions 12L, 12R in the rail direction, each provided with wheels 13 rotating on the rail at the lower left and right sides, and rail-related rails such as sleepers that support the rail and rail. It is configured to lift the tool. That is, the rail-related tool lifting machine 1 of the present embodiment has two leg portions 12L and 12R on each of the left and right sides of the beam portion 11. 1A shows a state where the chain block 2 is attached to the beam portion 11, and FIGS. 2A and 2B show a state where the chain block 2 is not attached to the beam portion 11. FIG. ing.

  In the rail-related tool lifting machine 1 of the present embodiment, the pair of leg portions 12L and 12R on both the left and right sides are opened and closed at an arbitrary angle in a direction parallel to the rail 3 with respect to the beam portion 11. , 12R are respectively provided with leg attachment portions 14L, 14R that support the upper end portions of the rails 12R so as to be opened and closed (rotated) in the direction parallel to the rail 3 via the rotation shaft 111.

  In addition, the beam portion 11 is formed by welding two long plate-shaped steel materials 11a with a rectangular steel material 11c on both the left and right sides of the steel plate 11a with a gap therebetween, and a long space with a similar interval between the rectangular steel materials 11c on the left and right sides. The tubular steel material 11b is welded. And as shown to Fig.3 (a), (b), the attachment part 11d of the chain block 2 is provided in the center of the beam part 11, ie, the center of the two long plate-shaped steel materials 11a, respectively. Yes. Note that U-shaped handle portions 11eL and 11eR are provided on both sides of the beam portion 11, respectively.

  The chain block 2 is a known one, and a chain (chain) 22 is suspended from the chain block main body 23. A hook 21 is connected to the tip of the chain (chain) 22, and a handle 24 attached to a drive lever. The chain (chain) 22 is moved up and down by the rotation of the hook to raise or lower the sleepers etc. that the hooks 21 are hooked on. Is provided with a brake mechanism (not shown). Here, the chain block 2 is configured such that a brake mechanism (not shown) operates when the chain block main body 23 is mounted obliquely as shown in FIG. As shown in FIG. 3A and the like, the attachment portion 11d is horizontally or upwardly attached to the upper end portion and the lower end portion of the inclined side 11d1 so that the chain block body 23 can be attached in an inclined state. The facing retaining grooves 11d11 and 11d12 are provided. Since the chain block main body 23 is screwed at four locations, when the brake block mechanism is placed in an inclined state so that the brake mechanism operates normally, the chain block body 23 is positioned on the lower side. The thread portions 23a and 23b to be engaged are hooked in the hooking grooves 11d11 and 11d12 of the mounting portion 11d and attached to the beam portion 11. Therefore, the chain block main body 23 can be easily attached to the beam portion 11 in an inclined state so that the brake mechanism operates normally. In addition, since the latching grooves 11d11 and 11d12 of the attachment portion 11d are directed in the lateral direction or the upward direction, respectively, even when the heavy sleeper 4 or the like is lifted, the brake mechanism is provided when the slanted state is placed. Even if the chain block 2 operates normally, the chain block 2 can be reliably mounted so that the brake mechanism operates normally only by two-point support (latching) by the latching grooves 11d11 and 11d12 of the mounting portion 11d. .

  4A to 4C show right side views of the rail-related tool lifting machine 1 of the present embodiment, and show a state in which the leg angle of the pair of right leg portions 12R is changed. The pair of left leg portions 12L are configured in the same manner.

  As shown in FIGS. 4A to 4C, height setting holes 121L1 and 121R1 are formed at predetermined intervals of, for example, 5 cm on the inner side of the pair of leg portions 12L and 12R on both the left and right sides, that is, on the inner surfaces facing each other. A plurality of height setting frames 121L and 121R (here, six are provided for convenience but may be one or other than six) are fixed.

  Further, in the pair of leg portions 12L and 12R on both the left and right sides, the height setting holes 121L1 and 121R1 in the height setting frames 121L and 121R are connected to each other by the connecting rods 122L and 122R, so The height of the legs 12L and 12R can be changed. Therefore, the height setting frames 121L and 121R and the connecting rods 122L and 122R of the present embodiment correspond to the height setting unit of the present invention.

  Further, turnbuckles 122L1 and 122R1 are attached to the center of the connecting rods 122L and 122R on the left and right sides as length adjusters for adjusting the length of the connecting rods 122L and 122R. Therefore, in order to change the height of the pair of leg portions 12L and 12R on both the left and right sides, the six height setting holes 121L1 serving as the attachment positions of the connecting rods 122L and 122R to the height setting frames 121L and 121R are provided. , 121R1 as well as changing the length of the connecting rods 122L, 122R by rotating the turnbuckles 122L1, 122R1 as length adjusters to change the pair of leg portions 12L, The height of 12R can be changed. Further, the turnbuckles 122L1 and 122R1 are rotated even after the connecting rods 122L and 122R are attached to the arbitrary height setting holes 121L1 and 121R1 among the six height setting holes 121L1 and 121R1 of the height setting frames 121L and 121R. By changing the length of the connecting rods 122L and 122R on both sides of the turnbuckles 122L1 and 122R1, the height of the pair of leg portions 12L and 12R on the left and right sides can be changed.

  For example, in FIG. 4A, the length of the connecting rod 122R is shortened to the maximum, and the lowermost height setting hole 121R1 is used among the six height setting holes 121R1 of the height setting frame 121R. And the state which made the height of the right leg part 12R the lowest is shown.

  FIG. 4B shows the length of the connecting rod 122R by rotating the turnbuckle 122R1, although the lowest height setting hole 121R1 is used among the six height setting holes 121R1 of the height setting frame 121R. This is a state in which the height of the right leg 12R is made higher than the state shown in FIG.

  FIG. 4C shows the length of the connecting rod 122R by using the uppermost height setting hole 121R1 among the six height setting holes 121R1 of the height setting frame 121R and rotating the turnbuckle 122R1. This shows a state in which the height of the right leg portion 12R is maximized by making the length as long as possible.

  Thereby, in the rail related tool lifting machine 1 of the present embodiment, even when the sleeper 4 is lifted at a place where the height of the left and right rails 3 is different, such as a curved portion of the rail 3, a pair of legs on each of the left and right sides. By changing the opening and closing angles of the portions 12L and 12R as shown in FIGS. 4A to 4C, the hook 21 extending from the chain block 2 provided at the center of the beam portion 11 is formed between the rails 3 and 3. The sleepers 4 can be lifted in a well-balanced manner.

  Moreover, in the rail related tool lifting machine 1 of the present embodiment, the leg attachment portions 14L and 14R at the upper ends of the pair of leg portions 12L and 12R on both the left and right sides are connected to the beam portion 11 via the folding shafts 15L and 15R. The folding shaft support plates 16L and 16R are fixed to the left and right ends of the left and right ends so as to be openable and closable along the longitudinal direction of the beam portion 11 and in the center direction of the beam portion 11. Further, as shown in FIG. 1B, when the leg attachment portions 14L and 14R open outward beyond the state shown in FIG. 1, the upper end portions of the leg attachment portions 14L and 14R are beamed. It hits the lower part of the both end portions of the portion 11 and prevents the pair of leg portions 12L, 12R from opening too much outward.

  In the state in which the pair of leg portions 12L and 12R stands up in the direction perpendicular to the beam portion 11, each leg portion attachment portion 14L and 14R extends in the longitudinal direction of the beam portion 11 and toward the center direction thereof. On the other hand, when the pair of leg portions 12L and 12R is folded in the direction parallel to the longitudinal direction of the beam portion 11 through the folding shafts 15L and 15R and toward the central direction thereof, the leg portions 12L and 12R stand up in the vertical direction with respect to the beam portion 11. As described above, the arm portions 141L and 141R having a predetermined length extending in a direction perpendicular to the pair of leg portions 12L and 12R, that is, a direction parallel to the longitudinal direction of the beam portion 11 are fixed. Fixing pins 17L and 17R for fixing the pair of leg portions 12L and 12R in the state when the pair of leg portions 12L and 12R are folded and standing up are provided at the ends of the arm portions 141L and 141R, respectively. Arm side pin holes 142L and 142R to be inserted are provided.

  Further, on the left and right side surfaces of the beam portion 11, a pair of leg portions 12L and 14R on the left and right sides respectively support the leg mounting portions 14L and 14R via the folding shafts 15L and 15R, respectively. Folding shaft support plates 16L and 16R are fixed so that each pair of leg portions 12L and 12R can be folded in the direction parallel to the longitudinal direction of the beam portion 11 and toward the center direction.

  Further, as shown in FIG. 2B, the left and right sides of the beam portion 11 are respectively U-shaped in plan view so that the arm portions 141L and 141R of the leg mounting portions 14L and 14R can pass through the space portion therebetween. It is formed in a shape. When the pair of leg portions 12L and 12R are folded on the upper side surface of the U-shaped portion in a plan view, the ends of the arm portions 141L and 141R provided at the leg attachment portions 14L and 14R, respectively. Folding fixing plates 18L and 18R provided with beam-side folding fixing holes 181L and 181R are erected upward at locations where the arm side pin holes 142L and 142R are located.

  Further, as shown in FIG. 1B, FIG. 2B, and the like, a pair of leg portions 12L and 12R are erected on the lower side surfaces of the U-shaped portions in the left and right sides of the beam portion 11, respectively. In this case, the beam portion side standing fixing holes 191L and 191R are provided at the positions where the arm side pin holes 142L and 142R at the tips of the arm portions 141L and 141R provided in the respective leg portion attachment portions 14L and 14R are located. Further, the standing fixing plates 19L and 19R are erected downward.

  FIG. 5 is a view showing a state in which the rail-related tool lifting machine 1 is folded. FIG. 5A is a front view of the rail-related tool lifting machine 1 in the folded state, and FIG. FIG. FIGS. 6A to 6C are views showing the state of the left end portion of the beam portion 11 and the leg portion 12L when the rail-related tool lifting machine 1 is shifted from the folded state to the standing state, respectively. It is.

  That is, when the rail-related tool lifting machine 1 is stored by folding the pair of leg portions 12L and 12R inside, that is, at the center side of the beam portion 11 as shown in FIGS. 5 (a) and 5 (c). As shown in FIG. 5B, the arm side pin holes 142L and 142R at the tips of the arm parts 141L and 141R coincide with the beam part side folding fixing holes 181L and 181R of the folding fixing plates 18L and 18R. The leg portions 12L and 12R can be fixed to the beam portion 11 through the fixing pins 17L and 17R through the holes 142L and 142R and the beam side folding fixing holes 181L and 181R, respectively. As a result, it is not necessary to tie the beam portion 11 and the pair of leg portions 12L and 12R on both the left and right sides with a rope or a wire at the time of folding such as storage or transportation. It is possible to simply use 17R or the like.

  The folded state of the beam part 11 and the leg parts 12L, 12R through the fixing pins 17L, 17R through the arm side pin holes 142L, 142R and the beam part side folding fixing holes 181L, 181R as shown in FIG. The fixing pins 17L and 17R are removed from the arm, and the pair of leg portions 12L and 12R are rotated 90 degrees outward with respect to the beam portion 11 as shown in FIG. 6B, and the arm as shown in FIG. When the arm-side pin holes 142L and 142R at the tips of the portions 141L and 141R are made to coincide with the beam-side standing fixing holes 191L and 191R of the standing fixing plates 19L and 19R and the fixing pins 17L and 17R are passed through, respectively, a pair of leg portions 12L and 12R can be fixed in an upright state opened in a direction perpendicular to the beam portion 11 as shown in FIGS.

  Next, an example of the operation | work using this rail related tool lifting machine 1 is demonstrated with reference to drawings.

  7-9 has shown the exchange method of the ballast 5, the sleeper 4, and the rail 3 using this rail related tool lifting machine 1, FIG. 7 (a) is a top view, FIG.7 (b) is shown. A side view, FIG. 8 is a front view thereof, and FIGS. 9A to 9C are diagrams showing a method of exchanging sleepers 4 and the like using this rail-related tool lifting machine 1 when the heights of the left and right rails 3 are different. FIG.

  As shown in FIG. 7 and FIG. 8, the rail 3 on which a train or the like travels has a ballast (crushed stone or gravel) 5 laid on the roadbed, a sleeper 4 is provided on the ballast 5, and a rail is placed on the sleeper 4. 3 is laid. The rail-related tool lifting machine 1 is a machine that is used during the laying work. The rail-related tool lifting machine 1 is moved on the rail 3 on the wheels 13 at the lower ends of the pair of leg portions 12L and 12R. The sleeper 4 is lifted using the chain block 2 attached to the center of the beam portion 11 of the machine 1, and the sleeper 4, the ballast 3 and the rail 3 are newly installed or replaced. Specifically, as shown in FIG. 8, a wire 42 or the like connected to a pan roll 41 or the like provided on both sides of the sleeper 4 is hooked on a hook 21 provided at the tip of the chain 22 of the chain block 2. Then, the sleepers 4 are lifted, and the sleepers 4, the ballast 3, and the rails 3 are sequentially replaced.

  At that time, as shown in FIG. 9 (a), when the height of the left and right rails 3 is different in the curved portion of the rail 3, etc., when the height of the pair of left and right legs 12L and 12R is the same, The rail-related tool lifting machine 1 itself is also inclined, and the beam portion 11 is also inclined. Then, the hook 21 extending from the chain block 2 provided at the center of the beam portion 11 descends to a position shifted from the center between the rails 3.3, and the center of the beam portion 11 and the center of the sleeper 4 are shifted. This makes it difficult to lift the sleepers 4 in a well-balanced manner.

  Therefore, when the right rail 3 is high as shown in FIG. 9 (a), as shown in FIG. 9 (b), the pair of left leg portions 12L of the beam portion 11 having a low height is The height is set higher as shown in FIGS. 4A and 4B by the height adjustment frame 121L and the connecting rod 122L inside the pair of legs 12L. On the other hand, the pair of right leg portions 12R of the beam portion 11 having a high height adjusts the height adjustment frame 121R and the connecting rod 122R inside the pair of right leg portions 12R, for example, FIG. As shown in c), etc., it is set to be low so that the beam portion 11 is horizontal even in places where the heights of the left and right rails 3 are different. That is, as shown in FIG. 9 (c), in a place where the left and right rails 3 are different in height, either one or both of the leg opening angles, that is, the heights of the pair of leg portions 12L and 12R on the left and right sides. It changes so that the beam part 11 may become horizontal.

  Even in places where the left and right rails 3 are different in height, as shown in FIGS. 9B and 9C, when the beam portion 11 becomes horizontal, the hook extends from the chain block 2 provided in the center of the beam portion 11. 21 also descends to the center between the rails 3.3, and almost coincides with the center of the beam 11 and the center of the sleepers 4, so that the height of the left and right rails 3 is the same as the place where the sleepers 4 are balanced. Can be lifted.

  In the description of the present embodiment, the height of the pair of leg portions 12L and 12R on both the left and right sides of the beam portion 11 has been described. However, the present invention is not limited to this, and the left and right sides of the beam portion 11 are not limited thereto. Of course, you may comprise so that the height of a pair of leg parts 12L and 12R of either one side can be changed.

DESCRIPTION OF SYMBOLS 1 Rail related tool lifting machine 11 Beam part 11d Mounting part 12L, 12R Leg part 121L, 121R Height adjustment frame 121L1, 121R1 Height setting hole 122L, 122R Connecting rod 122L1, 122R1 Turn buckle (length adjuster)
13 Wheel 14L, 14R Leg mounting part 141L, 141R Arm part 142L, 142R Arm side pin hole 15L, 15R Folding shaft 16L, 16R Folding shaft support plate 17L, 17R Fixing pin 18L, 18R Folding fixing plate 181L, 181R Beam side Folding fixing hole 19L, 19R Standing fixing plate 191L, 191R Beam side standing fixing hole 2 Chain block (lifter)
21 Hook 22 Chain
23 chain block body 24 handle 3 rail 4 sleeper 5 ballast

Claims (5)

A beam part that is long and has a lifting device mounted almost at the center thereof,
It has a pair of legs in the rail direction each attached to the left and right sides of the beam part via a leg attachment part, and provided with wheels rotating on the rail at the lower end part,
At least one of the pair of leg portions on both the left and right sides is pivotally supported by the leg mounting portion so as to open and close at an arbitrary angle in a direction parallel to the rail, and at an arbitrary angle. A rail-related tool hoisting machine having a height setting unit that changes the height of at least one pair of leg portions by fixing. In the rail related tool lifting machine according to claim 1,
Each leg mounting part at the upper end of a pair of left and right legs
It is attached to the left and right ends of the beam part so that it can be opened and closed in the longitudinal direction of the beam part via the folding shaft, and each leg part has a pair of legs standing vertically with respect to the beam part. In the state where the beam portion is in the longitudinal direction and extends toward the central direction, the pair of leg portions are folded in a direction parallel to the longitudinal direction of the beam portion and folded toward the central direction via the folding shaft. In this case, an arm member having a predetermined length provided with a pair of legs so as to stand vertically with respect to the beam portion and provided with an arm-side pin hole into which a fixing pin is inserted at the tip thereof. Fixed,
On the left and right sides of the beam,
The leg attachments at the upper end of the pair of legs on each of the left and right sides are supported via a folding shaft, and the pair of legs on each of the left and right sides is parallel to the longitudinal direction of the beam and toward the center. Foldable,
When the pair of legs on each of the left and right sides is folded, the beam side folding fixing hole is provided at the position where the arm side pin hole at the tip of the arm provided at each leg mounting part is located, When a pair of leg portions on both the left and right sides are erected, a beam side standing fixing hole is provided at a position where the arm side pin hole at the tip of the arm portion provided at each leg mounting portion is located. A rail-related tool lifting machine characterized by In the rail related tool lifting machine according to claim 1 or 2,
The height setting portion is composed of a height setting hole provided in each of the pair of leg portions and a connecting rod for connecting the height setting holes to each other, and the length of the connecting rod is adjusted to the connecting rod. Rail-related equipment lifting machine, characterized in that it is fitted with possible length adjusters. In the rail related tool lifting machine according to claim 3,
The rail-related tool lifting machine, wherein the height setting holes are provided at a plurality of positions at predetermined intervals along the longitudinal direction of each of the insides of the pair of legs. In the rail related tool lifting machine according to any one of claims 1 to 4,
Near the center of the beam, there is an attachment for attaching the hoist. The upper end and the lower end of the inclined side can be attached to this attachment so that the hoist can be installed in an inclined state. A rail-related tool hoisting machine characterized in that a hooking groove is provided in each of which is directed laterally or upward.

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