JP2005008401A - Heavy object conveyance device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simply perform the work for conveying a heavy object by stairs continuous across an intermediate space such as a landing and a building floor. <P>SOLUTION: A first conveyance rail 1 and a second conveyance rail 2 are installed on stairs 101 on a lower story side and stairs 102 on an upper story side, respectively, across an intermediate space 100. An intermediate rail 5 is installed at a position between the first and second conveyance rails 1 and 2 in the intermediate space 100. A first carrier 3 moving along the first conveyance rail 1 and a second carrier 4 moving along the second conveyance rail 2 have a structure capable of supporting a top plate 6, respectively. When the first carrier 3 and the second carrier 4 are positioned on an intermediate floor 100, respectively, the top plate 6 moves between the first carrier 3 and the second carrier 4 through the intermediate rail 5. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a heavy goods transport device for transporting heavy goods along stairs.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, for example, a heavy load transport device has been proposed as effective when transporting heavy loads from a lower floor to an upper floor in a construction site or the like. This type of heavy goods transport device has a structure in which a transport rail is installed on a staircase, and a carriage on which a heavy object is placed is moved along the transport rail by a driving force of an electric winch or the like and pulled up to the upper floor. The thing is common (for example, refer patent document 1).
[0003]
[Patent Document 1]
JP-A-7-267599 [0004]
[Problems to be solved by the invention]
However, in the conventional heavy load transport device including the one described in Patent Document 1, since the heavy load is directly placed on the carriage that moves linearly along the transport rail, In the case of transporting heavy objects on successive stairs across an intermediate space such as a building floor, the following complicated work has been required.
[0005]
In other words, when transporting heavy items on successive stairs across an intermediate space such as a landing or building floor, the weight is reduced to the stairs on the lower floor than the intermediate space and the stairs on the upper floor from the intermediate space. First, the heavy article is lifted up to an intermediate space by using the heavy article conveyance apparatus on the lower floor side. Thereafter, in the intermediate space, the heavy goods are transferred from the carriage of the heavy-duty conveying apparatus on the lower floor side to the carriage of the heavy-weight conveying apparatus on the upper floor side by using a lifting machine, and the heavy-weight conveying apparatus on the upper floor side There was a need to lift heavy objects to the upper floors using the.
[0006]
Therefore, it takes a long time to transport heavy objects on successive stairs across an intermediate space, and it is necessary to transfer heavy objects in a limited space such as a landing or building floor. There has been a problem that the work itself becomes extremely difficult.
[0007]
The present invention was devised in view of the conventional situation as described above, and when carrying heavy objects on continuous stairs across an intermediate space such as a landing or a building floor, the work is extremely difficult. An object of the present invention is to provide a heavy-duty conveying apparatus that can be easily performed.
[0008]
[Means for Solving the Problems]
The heavy-duty conveyance device according to the present invention includes a first conveyance rail installed on a stairs on a lower floor among stairs that are continuous across an intermediate space, and an upper floor among stairs that are continuous across an intermediate space. A second transport rail installed on the stairs, a first carriage that moves up and down the lower stairs along the first transport rail, and an upper stairs along the second transport rail A second carriage that moves up and down, an intermediate rail that is located between the first conveyance rail and the second conveyance rail and is installed in the intermediate space, and the first carriage or the second carriage And a top plate on which a heavy object is placed. And in the heavy goods conveyance apparatus which concerns on this invention, when the said 1st trolley | bogie and a 2nd trolley | bogie are each located in the said intermediate space, the said top plate is a said 1st trolley | bogie via the said intermediate rail. And the second carriage can be moved.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0010]
FIG. 1 shows the overall configuration of a heavy goods transport apparatus to which the present invention is applied. The heavy goods transport apparatus shown in FIG. 1 is for transporting heavy goods along stairs 101 and 102 that are continuous across an intermediate space 100 such as a landing or a building floor, and is lower than the intermediate space 100. The first transport rail 1 installed on the stairs 101 on the side, the second transport rail 2 installed on the stairs 102 on the upper floor side from the intermediate space 100, and the lower floor along the first transport rail 1 A first carriage 3 that moves up and down the stairs 101 on the side, a second carriage 4 that moves up and down the stairs 102 on the upper floor along the second conveyance rail 2, the first conveyance rail 1 and the second carriage An intermediate rail 5 installed in the intermediate space 100 located between the transport rail 2 and the top plate 6 supported by the first carriage 3 or the second carriage 4 and on which heavy objects are placed. It is prepared for.
[0011]
The first transport rail 1 and the second transport rail 2 are, for example, two L-shaped steels arranged in parallel at a predetermined interval, and the upper end side and the lower end side thereof are steps 101, In a state of being supported by the gantry 7 having a shape corresponding to the inclination of 102, the stairs 101 on the lower floor side and the stairs 102 on the upper floor side are respectively installed. A first carriage 3 is arranged on the first conveyance rail 1, and a second carriage 4 is arranged on the second conveyance rail 2.
[0012]
The first carriage 3 is pulled by a rope 9 by driving a hoisting machine 8 installed at the upper end of the first transport rail 1, and travels down a lower staircase 101 along the first transport rail 1. It moves up and down. The second carriage 4 is pulled by a rope 9 by driving a hoisting machine 8 installed at the upper end of the second transport rail 2, and the upper floor side stairs along the second transport rail 2. 102 is moved up and down. And in the heavy goods conveyance apparatus to which this invention is applied especially, these 1st trolley | bogie 3 and 2nd trolley | bogie 4 are made into the structure which supports the top plate 6 so that a movement is possible, These 1st trolley | bogies 3 are used. Alternatively, a heavy object is placed on the top plate 6 supported by the second carriage 4.
[0013]
The intermediate rail 5 is made of two L-shaped steels so as to fill a gap between the upper end portion of the first transport rail 1 and the lower end portion of the second transport rail 2 located on the intermediate space 100. They are arranged in parallel with a predetermined interval, and are installed on the intermediate space 100 along a direction orthogonal to the moving direction of the first carriage 3 and the second carriage 4.
[0014]
And especially in the heavy goods conveyance apparatus to which this invention is applied, while moving the 1st trolley | bogie 3 to the upper end part of the 1st conveyance rail 1, the 2nd trolley | bogie 4 is made into the lower end part of the 2nd conveyance rail 2. When the first carriage 3 and the second carriage 4 are respectively positioned in the intermediate space 100, the top board 6 supported by the first carriage 3 or the second carriage 4 is moved to the intermediate rail. It is possible to move between the first carriage 3 and the second carriage 4 via 5.
[0015]
Here, an example of a specific structure of the first carriage 3 and the second carriage 4 used in the heavy goods transport device to which the present invention is applied as described above will be described in more detail with reference to FIGS. Explained. In addition, since the 1st trolley | bogie 3 and the 2nd trolley | bogie 4 have the same structure, below, the 1st trolley | bogie 3 and the 2nd trolley | bogie 4 are simply called a trolley | bogie, without distinguishing.
[0016]
The carriage used in the heavy-duty conveying apparatus to which the present invention is applied includes a frame portion 11 that supports the top plate 6 and leg portions 12 that are connected to the frame portion 11.
[0017]
The frame portion 11 is formed by assembling, for example, four L-shaped steels into a rectangular frame shape having a size corresponding to the top plate 6, and a pair of inner wall surfaces in a direction orthogonal to the moving direction of the carriage is Each of the plurality of transfer rollers 13 is rotatably attached. The plurality of transfer rollers 13 are for realizing smooth movement of the top plate 6, and the top plate 6 is supported on the transfer rollers 13, so that the top plate 6 has a slight force. It is possible to move in a direction perpendicular to the moving direction of the carriage simply by giving Note that the number of transfer rollers 13 attached to the frame unit 11 may be set to an optimum number in consideration of the maximum weight of the heavy object to be conveyed and the strength of the individual transfer rollers 13.
[0018]
Further, a stopper 14 for preventing excessive movement of the top plate 6 is attached to the frame portion 11 at a position that is an end portion in the movement direction of the top plate 6. The stopper 14 is made of, for example, a metal piece bent into an L shape, and is attached to an appropriate position of the frame portion 11 by a fastening member 15 such as a bolt.
[0019]
Since the top plate 6 is supported on the transfer roller 13 as described above and can move smoothly, the top plate 6 moves to a position beyond the carriage when excessive force is applied. However, it is assumed that the stopper 14 is attached to the end of the top plate 6 in the moving direction, so that the top plate 6 abuts against the stopper 14 even in such a case. The movement will be suppressed.
[0020]
In addition, the top plate 6 supported by the carriage is provided with, for example, through holes 16 that are located at the four corners thereof and penetrate in the thickness direction. A communication hole 17 having substantially the same diameter as that of the through hole 16 is formed at a position aligned with any of the through holes 16 formed in the top plate 6 when supported by the top plate 6. Then, as shown in FIG. 3, in a state where the top plate 6 is supported at a regular position on the carriage, the through hole 16 drilled in the top board 6 and the communication bored in the frame portion 11 of the carriage. By inserting a fixing tool 18 such as a pin through the hole 17, the top plate 6 is fixed in a state where it is positioned at a proper position on the carriage.
[0021]
As described above, the top plate 6 can be moved in a direction orthogonal to the moving direction of the carriage. However, if the position of the top board 6 is shifted while the carriage itself is moving, the heavy load can be stabilized. Since it cannot be placed and may collide with handrails or walls of stairs in some cases, it is necessary to fix the top plate 6 on the carriage while the carriage itself is moving. It becomes. Therefore, in the heavy article transport device to which the present invention is applied, a fixture 18 such as a pin is inserted between the through hole 16 formed in the top plate 6 and the communication hole 17 formed in the frame portion 11 of the carriage. Thus, the top plate 6 is positioned and fixed at a regular position on the carriage. When the carriage is located in the intermediate space 100, the top plate 6 can be moved by removing the fixture 18.
[0022]
The leg portion 12 of the carriage has a structure in which, for example, a pair of left and right L-shaped steels arranged in parallel along the movement direction of the carriage is connected by a reinforcing member 19 at the midway portion, and one end side of the leg portion 12 moves the frame portion 11. It is fixed on the front end side. Further, the other end side of the leg portion 12 is fixed to the rear end side in the moving direction of the frame portion 11 via the height adjusting mechanism 20.
[0023]
In a pair of L-shaped steels arranged in parallel along the moving direction of the carriage, the rolling rollers 21 that roll on the first conveyance rail 1 or the second conveyance rail 2 are rotatable on the side surfaces thereof, respectively. It is attached. Further, a pulley 22 on which a rope 9 for towing a carriage is bridged is rotatably attached to a reinforcing member 19 that connects a pair of L-shaped steels. In the cart, the rope 9 is fed by the drive of the hoisting machine 8 in a state where the rope 9 is bridged on the pulley 22, whereby each rolling roller 21 is moved to the first conveying rail 1 or the second rail. Are moved up and down along the first transport rail 1 or the second transport rail 2 to move up and down the stairs on the upper floor side or the lower floor side.
[0024]
Further, the carriage is adapted to the inclination of the first transport rail 1 and the second transport rail 2 before the top plate 6 is fixed on the frame portion 11 and a heavy object is placed on the top plate 6. The height adjusting mechanism 20 is operated, and the level of the frame unit 11 is set, that is, the level of the top plate 6 supported on the frame unit 11 is set. As a result, the carriage moves up and down the stairs on the upper floor side or the lower floor side along the first transport rail 1 or the second transport rail 2 while maintaining the top plate 6 in a horizontal state. It becomes possible to appropriately convey the object in a stable state.
[0025]
Next, an example of a specific structure of the intermediate rail 5 used in the heavy article transport device to which the present invention is applied will be described with reference to FIG.
[0026]
The intermediate rail 5 is a height position of each frame portion 11 of the first carriage 3 moved to the upper end portion of the first conveyance rail 1 and the second carriage 4 moved to the lower end portion of the second conveyance rail 2. Is installed in the intermediate space 100 in a state of being supported by the support frame 23 so that the height is substantially equal to the height of the intermediate space 100. The height positions of the upper end portion of the first transport rail 1 and the lower end portion of the second transport rail 2 located in the intermediate space 100 are adjusted by the pedestal 24. And the installation position of the intermediate | middle frame 5 on the intermediate | middle space 100 is when the intermediate | middle frame 5 connects between the frame part 11 of the 1st trolley | bogie 3, and the frame part 11 of the 2nd trolley | bogie 4, and these are planarly viewed. Each position is determined such that a continuous movement path of the top plate 6 is formed in a straight line.
[0027]
A plurality of transfer rollers 25 similar to those attached to the frame portion 11 of the first carriage 3 and the second carriage 4 are rotatably attached to the opposing inner wall surfaces of the intermediate rail 5. Yes. And the top plate 6 moved from the frame part 11 of either the first carriage 3 or the second carriage 4 is fed on the transfer roller 25 by the rolling of the transfer roller 25, Along the intermediate rail 5, it reaches the frame portion 11 of the other carriage.
[0028]
In the heavy goods transport device to which the present invention is applied, the top plate 6 supported by one carriage is moved to the other carriage via the intermediate rail 5 as described above. Adjustment of the height position between the first carriage rail 1 and the other carriage, that is, height adjustment of the upper end side of the first transport rail 1 and the lower end side of the second transport rail 2 installed on the intermediate space 100 is important. If the intermediate space 100 is not a flat surface, it may be difficult to adjust these heights. Therefore, in such a case, a rigid plate 26 having high rigidity is laid on the intermediate space 100, and the upper end side of the first transport rail 1 and the second transport rail 2 are placed on the rigid plate 26. It is desirable to install the lower end side and the intermediate rail 5 respectively. In this way, if the upper end side of the first transport rail 1, the lower end side of the second transport rail 2, and the intermediate rail 5 are respectively installed on the rigid plate 26, the intermediate space 100 is not a flat surface. However, flatness of the upper end side of the first transport rail 1, the lower end side of the second transport rail 2, and the installation surface of the intermediate rail 5 is ensured, and the upper end side of the first transport rail 1 and the second transport rail are ensured. It is possible to easily adjust the height of the lower end side of the rail 2.
[0029]
Here, the work procedure at the time of transporting a heavy object from the lower floor to the upper floor using the heavy object transport apparatus configured as described above will be specifically described.
[0030]
When a heavy article is conveyed from the lower floor to the upper floor by the heavy article conveyance apparatus to which the present invention is applied, first, the first carriage 3 is positioned at the lower end portion of the first conveyance rail 1 installed on the lower floor. Then, the top plate 6 is installed on the frame portion 11 of the first carriage 3. At this time, by operating the height adjustment mechanism 20, the frame portion 11 and the top plate 3 of the first carriage 3 are brought into a horizontal state.
[0031]
Next, the fixture 18 is inserted through the through hole 16 formed in the top plate 6 and the communication hole 17 formed in the frame portion 11 of the first carriage 3, and the top plate 6 is inserted into the frame portion 11. Secure on top. And the heavy article to convey is mounted on the top plate 3 fixed on the flame | frame part 11 of this 1 trolley | bogie 3. As shown in FIG.
[0032]
Next, the hoisting machine 8 installed at the upper end of the first transport rail 1 is activated to wind the rope 9, and the first carriage 3 is moved along the first transport rail 1 by pulling the rope 9. To move. Then, the operation of the hoisting machine 8 is stopped when the first carriage 3 is pulled up to the upper end of the first transport rail 1, that is, the intermediate space 100, and the first carriage 3 is stopped in the intermediate space 100. Let
[0033]
Next, the second carriage 4 is positioned at the lower end of the second transport rail 2 and the height adjustment mechanism 20 is operated to bring the frame 11 of the second carriage 4 into a horizontal state. The top plate 6 can be moved by removing the fixture 18 inserted through the through hole 16 formed in the top plate 6 and the communication hole 17 formed in the frame portion 11 of the first carriage 3. State. Then, by using the rolling of the transfer rollers 13 and 25, the top plate 6 on which the heavy object is placed is moved from the frame 11 of the first carriage 3 to the second carriage 4 via the intermediate rail 5. Move onto the frame 11. At this time, excessive movement of the top plate 6 is prevented by the stopper 14 attached to the frame portion 11 of the second carriage 4.
[0034]
Next, the fixture 18 was inserted through the through hole 16 drilled in the top plate 6 and the communication hole 17 drilled in the frame portion 11 of the second carriage 4, and a heavy object was placed thereon. The top plate 6 is fixed on the frame portion 11 of the second carriage 4. And the hoisting machine 8 installed in the upper end part of the 2nd conveyance rail 2 is started, the rope 9 is wound up, and the 2nd trolley | bogie 4 is pulled along the 2nd conveyance rail 2 by the pulling of the rope 9. Move. Then, when the second carriage 4 is pulled up to the upper end of the second transport rail 2, that is, the upper floor, the operation of the hoisting machine 8 is stopped, and the second carriage 4 is stopped to the upper floor. Through the series of operations described above, heavy objects are transported from the lower floor to the upper floor.
[0035]
As described above, the heavy article transport device to which the present invention is applied has a structure in which a heavy article is supported by the first carriage 3 or the second carriage 4 while being placed on the top plate 6. In addition, since the top plate 6 on which heavy objects are placed can move between the first carriage 3 and the second carriage 4 via the intermediate rail 5 in the intermediate space 100, Transport heavy objects appropriately from the lower floor to the upper floor without having to carry out complicated operations such as transferring heavy objects from the first cart 3 to the second cart 4 using a lifting machine or the like in the intermediate space 100. can do.
[0036]
【The invention's effect】
According to the heavy-duty conveyance device according to the present invention, even if heavy objects are conveyed on a staircase that is continuous across an intermediate space such as a landing or a building floor, a heavy object is used by using a lifting machine or the like in the intermediate space. It is possible to carry a heavy object from the lower floor to the upper floor extremely simply and appropriately without carrying out a complicated operation such as transferring.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an overall configuration of a heavy article transport apparatus to which the present invention is applied.
FIG. 2 is a perspective view of first and second carriages used in the heavy article transport device, and shows a state in which a top plate is not supported.
FIG. 3 is a perspective view of first and second carriages used in the heavy article transport device, and shows a state in which a top plate is supported.
FIG. 4 is an enlarged perspective view showing a portion installed in an intermediate space of the heavy goods transport device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 1st conveyance rail 2 2nd conveyance rail 3 1st trolley 4 2nd trolley 5 Intermediate rail 6 Top plate 13 Transfer roller 14 Stopper 16 Through hole 17 Communication hole 18 Fixing tool 25 Transfer roller 26 Rigid plate

Claims (5)

A first conveyance rail installed on a lower stairs among stairs that are continuous across an intermediate space;
A second transport rail installed on a stairs on the upper floor side among stairs that are continuous across an intermediate space;
A first carriage that moves up and down stairs on the lower floor side along the first transport rail;
A second carriage that moves up and down the stairs on the upper floor side along the second transport rail;
An intermediate rail located between the first transfer rail and the second transfer rail and installed in the intermediate space;
A top plate supported by the first carriage or the second carriage and on which a heavy object is placed;
When the first carriage and the second carriage are respectively located in the intermediate space, the top plate is movable between the first carriage and the second carriage via the intermediate rail. A heavy article transporting device characterized by the above. The heavy goods conveyance device according to claim 1, wherein a transfer roller for movably supporting the top plate is provided on each of the first carriage, the second carriage, and the intermediate rail. . 3. The heavy article transport device according to claim 1, wherein the first carriage and the second carriage are each provided with a stopper at an end portion in the moving direction of the top plate. 4. The top plate is provided with a through-hole penetrating in the thickness direction, and the first carriage and the second carriage are provided with a through-hole provided in the top plate when the top plate is supported. A communication hole is provided at each position on the straight line,
The fixture is inserted through a through hole provided in the top plate and a communication hole provided in the first carriage or a communication hole provided in the second carriage, so that the top board is 4. The heavy article transport device according to claim 1, wherein the heavy goods transport device is fixed to the first carriage or the second carriage. 5. A rigid plate is laid on the intermediate space, and an upper end side of the first transport rail, a lower end side of the second transport rail, and the intermediate rail are disposed on the rigid plate. The heavy goods conveyance apparatus in any one of Claims 1 thru | or 4.

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