JP2015217684A - Carriage bogie and carriage method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To carry even a long object having high barycenter, without turning over it.SOLUTION: A carriage bogie of the invention comprises one bogie part A and the other bogie part B, these bogie parts A, B have equal width and dimension, and comprise: loading spaces 1a, 1b on which counterpoise frames 4 forming a long object having high barycenter are mounted; leg wheels 21a, 22a, and leg wheels 21b, 22b respectively disposed on both ends of the bottom faces of the loading spaces 1a, 1b in a width direction of the loading spaces; and fixing parts 3a, 3b disposed on respective upper faces of the loading spaces 1a, 1b, on positions including a center position and end position in the width direction of the loading spaces, and fixing the counterpoise frames 4. Therefore, out of all leg wheels including the leg wheels 21a, 22a of one bogie part A and leg wheels 21b, 22b of the other bogie part B, distance between leg wheels 22a, 21b disposed on outside is large, and it is possible to cope with a rotation moment of the counterpoise frames 2 having a high barycenter position H2.

Description

  The present invention relates to a transport cart and a transport method capable of stably transporting an object with a high center of gravity, such as an elevator weight frame.

  In elevators and escalators and other elevators, there are many methods of transporting large assemblies to the installation site as they are assembled in a factory. For example, in an elevator, a counterweight frame, which is an outer frame of a counterweight connected to a passenger car on which a passenger rides, via a main rope, can be cited as a large assembly. Such a counterweight frame is a long object and basically has a center of gravity at a high position. That is, the counterweight frame constitutes a long object with a high center of gravity. When the counterweight is transported, the counterweight is transported in a standing state so as to be placed on the loading platform of the transport cart. Therefore, the position of the center of gravity of the counterweight frame during transportation may be a high position away from the loading platform.

  Conventionally, for example, Patent Document 1 discloses a transport cart including a loading platform on which a transported article is placed and a plurality of leg rings attached to the loading platform. The prior art disclosed in this Patent Document 1 is provided with a cart that can be folded into a square tube, and attached to the rear surface of the cart with two leg rings, two on the front side and two on the rear side. The two front rings and the two rear rings are orthogonal to the traveling direction of the carriage so that the two front rings and the two rear rings do not interfere when folded into The arrangement is shifted from each other.

Japanese Utility Model Publication No. 05-049558

  By the way, the conventional trolley | bogie shown by the patent document 1 mentioned above is not considered about conveying in the state which erected a high gravity center elongate object like the assembly of an elevator. Therefore, in the conventional cart shown in Patent Document 1, when trying to carry a high center of gravity long object placed on the carrier, because of its high center of gravity, the high center of gravity long object on the carrier is There is a concern of falling over during transportation.

  The present invention was made from the actual situation in the prior art described above, and the purpose thereof is a transport cart that can transport a high center-of-gravity transported object on a cargo bed without overturning, even when transporting a high center of gravity long object, And providing a transportation method.

  In order to achieve the above-mentioned object, a transport cart according to the present invention is a transport cart including a load platform on which a load is placed and a plurality of leg rings attached to the load platform. Each of these carriage parts, and each of these carriage parts has the same width dimension, said leg rings provided at both ends in the width direction of the cargo bed at the bottom of these cargo beds, and each upper surface of said cargo bed It is characterized by having a fixing portion that is attached to any position including a center position in the loading platform width direction and an end position in the loading platform width direction and fixes the transported material.

  In order to achieve the object, the transport method according to the present invention is a transport method for transporting a transported object using the transport cart according to the present invention described above, wherein the transported object has a high center of gravity length with a high center of gravity position. It is composed of a scale, and one of the trolley parts and the other trolley part is different from the trolley part in the width direction end part of the top surface of the pallet and the trolley part. The high center-of-gravity length of the upper surface of the loading platform of the cart section is an end portion located on the opposite side to the end portion of the loading platform in the width direction of the loading platform on the upper surface of the loading platform. It is characterized in that an object is placed and fixed at each of the fixing parts, and the long object with a high center of gravity is conveyed.

  According to the transporting carriage and the transporting method of the present invention, when transporting a high center-of-gravity long object, the end side portion of the upper surface of the loading platform of one cart and the upper surface of the loading platform of the other cart are described above. By placing a high center of gravity long object on the end side portion located on the opposite side to the end side portion of the upper surface of the loading platform of one of the cart portions and fixing it with the fixing portion, one cart It is possible to ensure a large distance between the leg rings located on the outer side of all the leg rings including the leg ring of the part and the leg ring of the other cart part. Thereby, it can be made to respond | correspond to the rotational moment of a high centroid long thing, and a high centroid long thing can be conveyed, without falling. Therefore, the present invention can stably carry a carrying work including a long object with a high center of gravity, and can carry out efficiently.

It is a perspective view which shows one trolley | bogie part which comprises one Embodiment of the conveyance trolley | bogie which concerns on this invention. It is a perspective view which shows one trolley | bogie part which made the position of the fixing | fixed part different from the position shown in FIG. It is a front view which shows the state which fixed the weight frame to the center position shown in FIG. FIG. 3 is a front view showing a state in which a counterweight frame is fixed to an end position in the loading platform width direction shown in FIG. 2. It is a perspective view which shows 1st Embodiment of the conveyance method which conveys a counterweight frame using the conveyance trolley | bogie which concerns on this embodiment. It is a perspective view which shows 2nd Embodiment of the conveyance method which conveys a counterweight frame using the conveyance trolley | bogie which concerns on this embodiment.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a transport cart and a transport method according to the present invention will be described with reference to the drawings.

  One embodiment of the transport cart according to the present invention includes one cart unit and the other cart unit. As shown in FIGS. 1-4, one trolley | bogie part A is provided with the loading platform 1a in which the balance weight frame 4 of the elevator which comprises a conveyed product, for example, the high gravity center long thing with a high gravity center position is mounted. In addition, a pair of leg rings 21a and 22a are provided at both ends of the bottom surface of the loading platform 1a in the loading platform width direction. Moreover, the fixing part 3a which is attached to any position including the center position of the loading platform width direction and the end position of the loading platform width direction on the upper surface of the loading platform 1a is provided.

  The fixing portion 3a is attached to any position including the center position in the loading platform width direction and the end position in the loading platform width direction on the upper surface of the loading platform 1a, and is a pair having a substantially L-shaped cross section disposed to face each other. Fixing brackets 31a and 32a. Further, the fixing portion 3a is movably held by one fixing metal 31a of the pair of fixing metal parts 31a and 32a, and between the other fixing metal 32a of the pair of fixing metal parts 31a and 32a, It includes a movable part capable of sandwiching the counterweight frame 4, that is, a push bolt 33 a that is screwed into a screw hole formed in the fixed fitting 31 a, and a contact plate 34 a that is attached to an end of the push bolt 33 a.

  Through holes 311a and 321a are formed in the fixing brackets 31a and 32a, and a plurality of screw holes 11a to which each of the through holes 311a and 321a is adapted are formed along the width direction of the loading platform on the upper surface of the loading platform 1a. is there. Further, a fastener 12a is provided which is inserted into the through holes 311a and 321a of the fixing brackets 31a and 32a and is screwed into the screw holes 11a of the loading platform 1a to fasten the fixing brackets 31a and 32a to the loading platform 1a.

  1 and 3, the fixing portion 3a is fixed to the center position of the loading platform 1a and the weight frame 4 is placed and fixed to the center position of the loading platform 1a. When the hole 11a and the fastener 12a are screwed through the through holes 311a and 321a and fastened, the fixture 3a is fixed to the end position in the width direction of the loading platform 1a as shown in FIGS. Thus, the counterweight frame 4 can be placed and fixed at the end position in the width direction of the loading platform 1a.

  Although there are a plurality of thickness dimensions of the counterweight frame 4 depending on the elevator model, the opposing distance dimension between the fixing brackets 31a and 32a can be changed by changing the mounting position of the loading platform 1a of the fixing brackets 31a and 32a. 3 can be relatively small, and can also be large as shown in FIG. That is, as shown in FIG. 4, the large counterweight frame 4 having a large thickness can be easily fixed to the loading platform 1a.

  The slight narrow pressure position of the counterweight frame 4 can be adjusted by moving the push bolt 33a back and forth.

  The other cart portion B shown in FIGS. 5 and 6 constituting the transport cart according to the present embodiment also has the same configuration as the cart portion A, for example.

  That is, a loading platform 1b having a width dimension equivalent to that of the loading platform 1a, leg rings 21b and 22b provided at both ends in the loading platform width direction on the bottom surface of the loading platform 1b, a center position in the width direction of the loading platform 1b, and an end position in the loading platform width direction And a fixing portion 3b for fixing the counterweight frame 4 is provided.

  The fixing portion 3b is attached to a position in the width direction of the loading platform 1b, and a push bolt 33b and a contact plate that form a movable portion that is screwed into a fixing bracket 31b having a substantially L-shaped cross section disposed opposite to each other. 34b.

  In addition, through holes are formed in the fixing brackets 31b and 32b, and a plurality of screw holes 11b, each of which fits the through holes, are formed along the load carrier width direction on the upper surface of the load carrier 1b. In addition, a fastener 12b is provided which is inserted into the through holes of the fixing brackets 31b and 32b and is screwed into the screw holes 11b of the loading platform 1b to fasten the fixing brackets 31b and 32b to the loading platform 1b.

  In the case where the counterweight frame 4 having a relatively large size and a high center of gravity is transported by using one cart part A and the other cart part B constituting the present embodiment, the first transport method shown in FIG. As in the embodiment, the loading position of one carriage portion A of the counterweight frame 4 on the loading platform 1a is the width direction end (left side in FIG. 5) portion of the loading platform 1a. The loading position of the carriage B on the loading platform 1b is a portion on the opposite end side (right side in FIG. 5) in the width direction of the loading platform 1b.

  That is, an end side portion of the upper surface of the loading platform of one of the carriage units A and the other carriage unit B in the loading platform width direction, and a carriage unit different from any of the aforementioned carriage units. The counterweight frame 4 is placed on the end side portion located on the opposite side to the end side portion in the load carrier width direction on the upper surface of the load platform of any of the above-described cart portions on the upper surface of the load platform, The counterweight frame 4 is transported by being fixed by the fixing portions 3a and 3b.

  Accordingly, as shown by the center of gravity position H2 in FIG. 5, even in the counterweight frame 4 having a high center of gravity, the distance W2 in the width direction between the front and rear leg rings 22a and 21b corresponding to the rotational moment in the tilting direction. Can be greatly increased.

  Further, as in the second embodiment of the carrying method shown in FIG. 6, when carrying the counterweight frame 4 that is smaller and has a lower center of gravity H1 than the case shown in FIG. 5, In comparison, the rotational moment in the tilting direction of the counterweight frame 4 is reduced, so that the distance W1 in the width direction between the leg rings 22a and 21b can be minimized. In this case, even in an installation site where only a narrow carry-in width can be obtained, the carrying work can be performed smoothly.

  As described above, according to the embodiment of the transportation carriage and the first and second embodiments of the transportation method described above, as shown in FIG. In carrying work, an end portion on the upper surface of the loading platform 1a of one carriage section A and an upper end portion of the loading platform 1a of one carriage section A on the upper surface of the loading platform 1b of the other carriage section B are provided. On the other hand, the counterweight frame 4 is placed on the end portion located on the opposite side, and fixed by the fixing portions 3a and 3b, so that the leg rings 21a and 22a of one carriage portion A and the other carriage are placed. A large distance can be ensured between the leg rings 22a and 21b located outside the entire leg rings 21a, 22a, 21b and 22b including the leg rings 21b and 22b of the part B. Thereby, it is possible to correspond to the rotational moment of the counterweight frame 4 having a high center of gravity position H2, and the counterweight frame 4 having a high center of gravity position H2 can be transported without being overturned. Therefore, according to one embodiment of the transporting carriage of the present invention and the first and second embodiments of the transporting method, the transporting work of the transported object including the counterweight frame 4 having the high center of gravity H2 is stably performed. And can be performed efficiently.

  In one embodiment of the transport carriage described above, the counterweight frame 5 is formed by a fixing hole (not shown) that forms a fixing hole constituting the female screw portion in the counterweight frame 5 and is screwed into the fixing hole and the screw holes 11a and 11b. 4 may be fixed to the loading platforms 1a and 1b, and the counterweight frame 4 may be transported. In this way, when the counterweight frame 4 is transported, the counterweight frame 4 can be transported more reliably without being overturned.

4 Balanced weight frame (long body with high center of gravity)
A One carriage part 1a Loading platform 11a Screw hole 12a Fastening tool 21a Leg ring 22a Leg ring 3a Fixing tool 31a Fixing fitting 32a Fixing fitting 311a Through-hole 321a Through hole 33a Push bolt (movable part)
34a Contact plate (movable part)
B Other cart portion 1b Loading platform 11b Screw hole 12b Fastening tool 21b Leg ring 22b Leg ring 3b Fixing tool 31b Fixing fitting 32b Fixing fitting 33b Push bolt (movable part)
34b Contact plate (movable part)
H1 Center of gravity position H2 Center of gravity position W1 distance W2 distance

Claims (5)

In a transport cart provided with a loading platform on which a load is placed and a plurality of legs attached to the loading platform,
Including one trolley part and the other trolley part;
Each of these cart parts has the load platform having an equivalent width dimension;
The leg rings respectively provided at both ends of the loading platform width direction on the bottom of these loading platforms;
A transporting device comprising: a fixing portion that is attached to any position including the center position in the loading platform width direction and the end position in the loading platform width direction on each upper surface of the loading platform, and fixes the transported material. Trolley. The transport cart according to claim 1,
Each of the fixed part of the one cart part and the fixed part of the other cart part is
A pair of fixing brackets having a substantially L-shaped cross section, which are attached to any position including the center position in the width direction of the loading platform and the end position in the width direction of the loading platform on the upper surface of each of the loading platforms. When,
A movable part that is movably held by one of the pair of fixing brackets and that can clamp the transported object with the other fixing bracket of the pair of fixing brackets. A characteristic transport cart. The transport cart according to claim 2,
A through hole is formed in each of the fixing brackets,
A plurality of screw holes that fit the through-holes are formed along the width direction of the loading platform on each upper surface of the loading platform,
A transport cart, comprising: a fastener that is inserted into the through hole of the fixing bracket and is screwed into the screw hole of the cargo bed to fasten the fixing bracket to the cargo bed. In the conveyance trolley | bogie of any one of Claims 1-3,
The carriage is a carriage with a high center of gravity and a long center of gravity. In the conveyance method which conveys a conveyance thing using the conveyance trolley of Claim 1,
The transported object is composed of a high center of gravity long object having a high center of gravity position,
An end side portion of the upper surface of the loading platform in the loading platform width direction of any one of the one carriage unit and the other carriage unit, and the loading platform of the carriage unit different from any one of the carriage units The high-center-of-gravity long object is placed on an end side portion located on the opposite side to the end side portion in the load carrier width direction of the upper surface of the loading platform of any one of the cart portions. The transporting method is characterized by transporting the long object having a high center of gravity by being fixed by each of the fixing parts.