JP3565744B2 - Track construction cranes - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a track construction crane for loading and unloading sleepers, other materials, equipment, and the like.
[0002]
[Prior art]
As a conventional track construction crane, a post-type jib crane of an electric swivel type is mounted on a bogie (toro bogie) running on a track.
[0003]
[Problems to be solved by the invention]
However, in the conventional track construction crane, since a post (pipe) is installed on the bogie, the loading space is reduced. Moreover, since it is an electric type, operation requires skill. Furthermore, since the traversing range is limited, it is not possible to directly load and unload between tracks. In addition, since only one unit is used, the efficiency of the operation is low. Then, on the track, a cant (front-back, left-right inclination) occurs, and the hoist runs away and becomes dangerous.
[0004]
Therefore, an object of the present invention is to provide a track construction crane which can manually and easily move a load such as a sleeper, can sufficiently secure a loading space, can hold horizontally, and has high working efficiency.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a track construction crane according to the present invention includes a fixed frame erected on a truck capable of traveling on a track, and a fixed ceiling frame provided at a position above the fixed frame, Two parallel traveling rails provided below the fixed ceiling frame, a plurality of girder rails provided below the traveling rail so as to be able to travel along the traveling rail, a hoisting machine which is provided at a lower position of the Gadareru to allow travel along Gadareru, Ru comprising a.
[0006]
And, the fixed frame, the fixed ceiling frame, the traveling rail, and the girder rail are arranged on the bogie so as to fit inside the vehicle limit area when viewed from the front in the traveling direction of the bogie,
Further, a height adjusting portion is provided at a lower portion of the fixed ceiling frame, and a traveling rail is held at a lower portion of the height adjusting portion so as to be vertically movable so that the traveling rail can be kept horizontal .
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings showing the embodiments.
[0008]
1 to 3 show an embodiment of a track construction crane according to the present invention. The crane 1 has a fixed frame 3 erected on a bogie 2 that can travel on a track. A fixed ceiling frame 4 is provided above the fixed frame 3, and a traveling rail 5, a girder rail 6, and a hoisting machine 7 are sequentially provided below the fixed ceiling frame 4.
The trolley 2 is a trolley or the like, for example, and includes four wheels 40, a connecting portion 41, and two buffer portions 42, 42, and a track (as shown in FIG. 3). It can run on top.
[0009]
More specifically, two trucks 2, 2 are arranged on the track at predetermined intervals, and a rectangular horizontal lower surface portion 8 is mounted and fixed on the trucks 2, 2. Vertical supports 9 are respectively erected on the four corners of the horizontal lower surface portion 8, and a horizontal upper bridge steel material 10 is provided so as to bridge the upper portions of the vertical supports 9, 9 on one side, and the other. A horizontal upper bridge steel material 10 is provided so as to bridge the upper portions of the vertical supports 9, 9 on the side. As described above, the fixed frame 3 including the horizontal lower surface 8, the plurality (four in the present invention) of vertical supports 9, and the plurality (two in the present invention) of the upper cross-linked steel material 10 is formed. , Are erected on the carts 2 and 2.
[0010]
Then, two horizontal parallel long bridged steel materials 11 and 11 are formed so as to bridge the upper portion of the upper bridged steel material 10 on one side and the upper portion of the upper bridged steel material 10 on the other side (to be parallel to the track and the plan view). ). Crosslinked steel materials 12, 12 are provided on one side and the other side, respectively, so as to bridge the long bridged steel materials 11, 11, and the bridged steel material 12 and the middle of the respective vertical columns 9, 9 on one side and the other side. A plurality of skewed steel materials 14 are provided so as to bridge the reinforcing steel material 13 provided so as to bridge the portion. As described above, the fixed ceiling frame 4 including the plurality (two in the present invention) of the long cross-linked steel materials 11 and the plurality (two in the present invention) of the cross-linked steel materials 12 becomes the fixed frame 3. Is provided at an upper position.
[0011]
Two parallel running rails 5 and 5 are provided below the fixed ceiling frame 4. That is, the long running rails 5 are mounted on one side and the other side below the long cross-linked steel material 11 (to overlap in a plan view).
[0012]
An elongated girder rail 6 is provided below the traveling rails 5 and 5 so as to be able to travel along the traveling rails 5 and 5. That is, the girder rail 6 is disposed at a lower position so as to be orthogonal to the traveling rails 5, 5 (the long bridged steel materials 11, 11) in plan view, and can travel along the traveling rails 5, 5. So that it is attached. Therefore, the girder rail 6 can reciprocate in the longitudinal direction of the traveling rails 5 and 5. Note that a plurality of girder rails 6 (two in the present invention) may be provided to improve the work efficiency.
[0013]
A hoisting machine 7 is provided below the girder rail 6 so as to be able to travel along the girder rail 6. That is, the hoisting machine 7 is capable of reciprocating (manually) in the longitudinal direction of the girder rail 6 (in a plan view, a direction perpendicular to the running rails 5 and 5), and the load 15 such as a sleeper (see FIGS. 1 and 3). Cargo loading and unloading.
Therefore, since the hoisting machine 7 and the girder rail 6 can move simultaneously, the shortest diagonal movement or curve movement of the hoisting machine 7 (load 15) can be performed in plan view.
[0014]
The hoisting machine 7 may be an electric type or a manual type. In the case of the electric type, the hoisting machine 7 can receive power supply from a motor car, thereby increasing work efficiency. Further, a plurality of hoisting machines 7 may be provided on the girder rail 6 to increase the work efficiency.
In this crane 1, when the load 15 is sleepers (300 kg / one), the number of loads that can be loaded can be about 30 (3 to 4 columns vertically and 8 to 9 rows horizontally).
[0015]
Then, as shown in FIG. 3, the carriage 2 is positioned such that the fixed frame 3, the fixed ceiling frame 4, the traveling rails 5, 5, and the girder rails 6 fall within the vehicle limit area A when viewed from the front in the traveling direction of the carriage 2. It is arranged in. That is, the vehicle limit area A is a safe size that does not come into contact with a tunnel, an oncoming vehicle, or the like, for example, in a limitable size of the vehicle as viewed from the front in the traveling direction of the vehicle.
[0016]
Next, FIG. 4A shows a perspective view of the traveling rail 5. The running rail 5 is provided with holding grooves 16 and 16 in the longitudinal direction on both upper side surfaces thereof, and further, at a position below the holding grooves 16 and 16, a notch-shaped trolley insertion groove 17 is provided in the longitudinal direction from below. ing. A plurality of connecting holes 18 are provided at the upper and lower ends of the running rail 5, and bolts (not shown) are passed through the connecting holes 18 to extend another running rail 5 in a longitudinal direction. It can be connected in the direction with a nut.
[0017]
FIG. 4B is a perspective view of the girder rail 6. The girder rail 6 is provided with holding grooves 19, 19 in the longitudinal direction on both upper side surfaces thereof, and further, at the lower position of the holding grooves 19, 19, a notched trolley insertion groove 20 is provided in the longitudinal direction from below. I have. A plurality of connecting holes 21 are provided at the upper and lower ends of the girder rail 6, and bolts (not shown) are passed through the connecting holes 21 so that another girder rail 6 is moved in the longitudinal direction. They can be connected with nuts.
[0018]
FIG. 5 shows how the fixed ceiling frame 4, the running rail 5, the girder rail 6, and the hoisting machine 7 are mounted.
First, the mounting state of the fixed ceiling frame 4 and the traveling rail 5 will be described. A plurality of (in the present invention, two, as shown in FIG. 1 and FIG. ) Are provided so that the traveling rail 5 can be kept horizontal.
[0019]
Specifically, as shown in FIG. 6, the height adjustment unit 22 includes a screw rod 24, a cylindrical tubular body 25 screwed to the screw rod 24, and It has a fixed horizontal handle 26 and a holding portion 27 (for rail suspension) pivotally connected to the lower part of the cylindrical body 25.
[0020]
Then, an attachment body 23 is fixed to the back surface of the long cross-linked steel material 11 of the fixed ceiling frame 4 by welding or the like, and a screw rod 24 is attached to the attachment body 23. The screw rod 24 is attached to the mounting body 23 so as to be pivotable about the vertical axis L by an angle θ, and the angle θ is preferably 10 °, and a predetermined inclination To be able to respond to.
[0021]
The screw rod 24 is screwed with a nut portion 28 provided on an upper portion of the cylinder 25, and the cylinder 25 is screwed up and down by rotating the handle 26 about the vertical axis L. Further, a stop handle 29 is attached to the screw rod 24 at a position above the cylindrical body 25, so that the upward movement of the cylindrical body 25 can be restricted.
[0022]
Then, the holding portion 27 holds the holding grooves 16, 16 of the traveling rail 5. Therefore, by rotating the handle 26, the traveling rail 5 can be moved up and down, and the plurality of height adjusting portions 22 can maintain the traveling rail 5 horizontal. As shown in FIGS. 1 and 3, the crane 1 (the traveling rail 5 and the reinforcing steel 13) is provided with a plurality of inclinometers 32 to enable accurate horizontal holding. As shown in FIGS. 1 to 3, the crane 1 (vertical support 9) is provided with a lift 33 at a position below the height adjuster 22, so that the height adjuster 22 can be easily adjusted. I do.
[0023]
Next, returning to FIG. 5, the mounting state of the traveling rail 5 and the girder rail 6 will be described. A trolley 30 is provided at the mounting portion of the traveling rail 5 and the girder rail 6, and the girder rail 6 travels along the traveling rail 5. I can do it.
More specifically, the trolley 30 includes a plurality of wheels 31 and a holding portion 34 (for rail suspension), and the wheels 31 can travel in the trolley insertion groove 17 as shown in FIG. It is configured as follows. Then, as shown in FIGS. 4 and 5, the holding portion 34 holds the holding grooves 19, 19 of the girder rail 6.
[0024]
Next, as shown in FIG. 4 and FIG. 5, the mounting state of the girder rail 6 and the hoisting machine 7 will be described. A trolley 35 is provided at the mounting part of the girder rail 6 and the hoisting machine 7. Can travel along the girder rail 6.
More specifically, the trolley 35 includes a plurality of wheels 36 and a hanging portion 37, and the wheels 36 are configured to be able to travel in the trolley insertion groove 20. Then, the hoisting machine 7 is hooked on the hanging portion 37.
The power cord of the hoisting machine 7 is also configured to run along the girder rail 6.
[0025]
Accordingly, the traveling of the girder rail 6 and the hoisting machine 7 can be easily and manually performed by the trolley 30 and the trolley 35, and the movement of the cargo 15 (see FIG. 1) such as a sleeper can be easily and manually performed.
[0026]
As shown in FIGS. 2 and 3, both ends of the girder rail 6 are extended to the outside of the traveling rail 5, so that the load 15 such as sleepers placed on the shoulders on both sides of the carriage 2 can be unloaded. . Further, both ends of the traveling rail 5 may be formed so as to protrude to the outside of the bogie 2, so that the load 15 such as a sleeper can be directly loaded and unloaded between the tracks, thereby increasing the work efficiency.
[0027]
Note that the present invention is not limited to the above-described embodiment, and the traveling rails 5 may be disposed so as to be orthogonal to the track in a plan view. The design may be changed without departing from the gist of the present invention.
[0028]
【The invention's effect】
The present invention has remarkable effects as described below.
[0029]
(According to claim 1) Since it is a ceiling type, dead space does not occur and a sufficient loading space can be secured. In addition, it becomes possible to load and unload cargo such as sleepers into the shoulder of the track or directly between the tracks. In addition, the cargo such as sleepers can be moved manually and easily, resulting in high work efficiency.
[0030]
In addition, since it is a ceiling type, there is no dead space, and a sufficient loading space can be secured. In addition, it becomes possible to load and unload cargo such as sleepers into the shoulder of the track or directly between the tracks. In addition, the cargo such as sleepers can be moved manually and easily, resulting in high work efficiency. In addition, since the traveling rail can be kept horizontal in accordance with the cant on the track (inclination in front, rear, left and right), escape of the girder rail and the hoist can be prevented and safe work can be performed.
[0031]
In addition, since it is a ceiling type, dead space does not occur and a sufficient loading space can be secured. In addition, it becomes possible to load and unload cargo such as sleepers into the shoulder of the track or directly between the tracks. In addition, the cargo such as sleepers can be moved manually and easily, resulting in high work efficiency. And, since the traveling rail can be kept horizontal in accordance with the cant on the track (inclination in front and rear, left and right), escape of the girder rail and the hoist can be prevented and safe work can be performed. In addition, for example, it has a safe size that does not come into contact with a tunnel, an oncoming vehicle, or the like.
[Brief description of the drawings]
FIG. 1 is a side view showing an embodiment of the present invention.
FIG. 2 is a plan view of the crane.
FIG. 3 is a front view of the present crane.
FIG. 4 is a perspective view of a traveling rail and a girder rail.
FIG. 5 is a perspective view showing an attached state of a fixed ceiling frame, a traveling rail, a girder rail, and a hoist.
FIG. 6 is a partial cross-sectional front view that also serves to explain the operation of the main part.
FIG. 7 is a front view of a main part.
[Explanation of symbols]
2 Bogie 3 Fixed frame 4 Fixed ceiling frame 5 Running rail 6 Girder rail 7 Hoisting machine
22 Height Adjustment Section A Vehicle Limit Area

Claims (1)

A fixed frame (3) erected on a truck (2) capable of traveling on a track, a fixed ceiling frame (4) provided above the fixed frame (3), and the fixed ceiling frame (4). ), And two parallel running rails (5) and (5) provided at positions below the running rails (5) and (5) so as to be able to run along the running rails (5) and (5). a plurality of Gadareru provided at a lower position of the) (6), said Gadareru (6) can travel along become as the Gadareru (6) of the hoisting machine provided in the lower position (7) and, with a,
In addition, the fixed frame (3), the fixed ceiling frame (4), the traveling rail (5), and the girder rail (6) are located inside the vehicle limit area (A) when viewed from the front in the traveling direction of the bogie (2). Is arranged on the trolley (2),
Furthermore, height adjustment unit to the lower (22) provided in the fixed roof frame (4), the height-adjusting unit a running rail (5) at the bottom of (22) vertically movably held, the running rail (5 A railroad crane characterized by being able to maintain the horizontal position of (1) .

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