JP4110283B2 - Transport cart - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, a long object having a length of several meters to several tens of meters is received from the delivery platform side to the receiving equipment side by the joint work of the trackless traveling vehicle and the traverse carriage mounted on the trackless traveling vehicle. It is related with the conveyance trolley which conveys to.
[0002]
[Prior art]
In the case of transporting a long transport object having a length of several meters to a few dozen meters from the delivery platform side to the receiving equipment side, conventionally, for example, the transport object is transported using a transport means such as a fork. However, the weight of the car body is stable and the transfer distance is limited.
[0003]
[Problems to be solved by the invention]
The present invention has been made in order to solve such a conventional problem, and an object of the present invention is to transfer a long object having a length of several meters to several tens of meters from the delivery platform side to the arrival equipment side. It is another object of the present invention to provide a transport cart that can efficiently transport a predetermined number of pieces together.
[0004]
[Means for Solving the Problems]
The transport cart according to the invention of claim 1 is a transport cart for transferring the object to be transported between loading and unloading facilities, wherein the transport cart has a lateral groove on the upper surface of the vehicle body, or lateral groove transverse platform vehicle equipped with the Rannahli and, a transverse row cart, Noriutsuri the entry and leaving equipment from the trackless type traveling carriage, after completion of transfer operations of the object to be conveyed, the drive carriage to return to the trackless type traveling dolly When, it is characterized by comprising forming the lifting platform or we provided vertically movably directly above the drive carriage.
[0005]
According to the first aspect of the present invention, the trackless traveling cart is guided by an arbitrary guidance method and travels unattended, and the traversing cart mounted in the lateral groove portion of the trackless traveling cart is the trackless traveling cart. While moving in the transverse direction, the lifting platform can be raised and lowered.
According to a second aspect of the present invention, there is provided a transporting carriage provided with an outrigger in a trackless traveling carriage.
[0006]
According to the invention described in claim 2, when the traversing carriage moves between the trackless traveling carriage and the gantry, the accuracy in the height direction of the trackless traveling carriage can be ensured by the outrigger.
[0007]
According to a third aspect of the present invention, there is provided a transport cart including a guide rail in a lateral direction in a lateral groove portion of a trackless traveling cart, and a guided member that engages with the guide rail is provided in the traversing cart. To do.
[0008]
According to the third aspect of the present invention, the guided member provided on the traversing cart is engaged with the guide rail in the lateral direction laid in the lateral groove portion of the trackless traveling cart, so that the traversing cart is moved along the guide rail. Can be rampant.
According to a fourth aspect of the present invention, there is provided a transport cart, wherein the traversing cart includes two or more drive wheels in a longitudinal direction of the vehicle body.
[0009]
According to the invention described in claim 4, even if there is a slight gap between the trackless traveling carriage and the gantry, the traversing carriage can be transferred from the trackless traveling trolley to the gantry or from the gantry to the trackless traveling trolley. it can.
According to a fifth aspect of the present invention, there is provided a transport cart in which the traversing wheel is provided with a wheel having no collar.
[0010]
According to invention of Claim 5, the shift | offset | difference of the stop position of the driving | running | working direction of a driving cart can be accept | permitted.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 3, the transport cart 1 includes a trackless traveling cart 10 and a traversing cart 20 mounted on the trackless traveling cart 10.
The trackless traveling carriage 10 is guided by, for example, a self-supporting guidance system, and travels unattended while detecting a magnetic plate (not shown) embedded in the floor surface by a sensor (not shown). However, the trackless traveling vehicle 10 may be guided by other methods.
[0012]
The trackless traveling vehicle 10 includes a lateral groove portion 13 at the center of the vehicle body 11 and two horizontally long strip-shaped rails 19 having a flat rail surface 18 at the bottom 14 of the lateral groove portion 13. The wheels 24 of the traversing carriage 20 are on the rails 19. The trackless traveling carriage 10 and the traversing carriage 20 are electrically and mechanically connected to each other via a cable or hydraulic piping (not shown).
[0013]
Further, the trackless traveling carriage 10 includes a plurality of horizontally long support bases 12 on the upper surface of the vehicle body 11, and the support base 12 supports a long object A such as a steel piece. . Further, the trackless traveling vehicle 10 includes four outriggers 16 in the vehicle body 11, and makes the above-described rail surface 18 and flat rail surfaces (not shown) laid on the gantry 40 and 50 described later flush with each other. Can be done. As shown in FIG. 2, two outriggers 16 are arranged before and after the lateral groove 13.
[0014]
As shown in FIGS. 4 to 6, the traversing carriage 20 is mainly formed of a drive carriage 21 and an elevator base 22 provided so as to be movable up and down just above the drive carriage 21.
The drive carriage 21 is an eight-wheel drive vehicle, and includes four wheels 24 on both sides of the vehicle body 23 as shown in FIGS. 4 and 5. Among them, a pair of opposite wheels 24 are fixed to a drive shaft 25 that is rotatably attached to the vehicle body 23, and the remaining wheels 24 are rotatably attached to the vehicle body 23.
[0015]
Rotation of a forward / reverse rotation motor 28 installed on the vehicle body 23 is transmitted to the drive shaft 25 via the first endless chain 26, and the rotation of the drive shaft 25 is further transmitted via the second endless chain 27. Thus, it is transmitted to all the wheels 24 that are rotatably attached to the vehicle body 23.
[0016]
As described above, the method for driving the wheels 24 is not limited to the simultaneous drive method using chains. For example, an individual driving method for individually driving the wheels 24 may be adopted. Further, the traversing cart 20 does not need to drive all the wheels, and may be any vehicle having two or more driving wheels in the longitudinal direction of the vehicle body 23.
[0017]
Further, the wheel 24 of the traversing carriage 20 is a metal wheel without a brim, that is, an outer peripheral surface of the wheel is a metal wheel having a cylindrical shape, so that deviation of the stop position in the traveling direction of the traveling carriage 10 can be allowed. It has become.
[0018]
As shown in FIG. 4, the lifting platform 22 of the traversing carriage 20 is moved up and down by a plurality of lifting cylinders 30 attached to the vehicle body 23. These elevating cylinders 30 are provided at the four corners of the vehicle body 23 as shown in FIG. Further, as shown in FIG. 5, the vehicle body 23 includes guide rollers 29 for preventing collision at the four corners and both sides thereof.
[0019]
Further, as shown in FIGS. 1 and 2, the trackless traveling carriage 10 has a guide rail 15 that is horizontally long and has a convex cross section at the bottom 14 of the lateral groove 13. On the other hand, as shown in FIGS. 5 and 6, the vehicle body 23 of the traversing carriage 20 includes a guided member 31 having a concave cross section that engages with the guide rail 15 at a predetermined position.
[0020]
Further, the vehicle body 23 of the traversing carriage 20 includes a pair of positioning cylinders 32 at predetermined positions, as shown in FIGS. A positioning pin 33 is attached to a rod (not shown) of the positioning cylinder 32. On the other hand, the trackless traveling vehicle 10 includes a cylindrical positioning table 17 on the bottom 14 of the lateral groove 13 so as to face the positioning pins 33 of the transverse vehicle (see FIG. 1).
[0021]
Next, the conveyance work of the to-be-conveyed object by the said conveyance trolley is demonstrated.
As shown in FIG. 7, when a predetermined number of the long objects A are mounted on the cradle 41 installed on the cradle 40 on the delivery stand side, the trackless traveling cart 10 is placed on the cradle 40 sideways. The height of the trackless traveling carriage 10 is adjusted by an outrigger (not shown). And after making the height of the rail surface (not shown) of the rail provided in the horizontal groove part of the trackless traveling cart 10 coincide with the flat rail surface 43 of the rail 42 laid on the mount 40, the positioning pin of the traversing cart (Not shown) and the positioning stand (not shown) of the trackless traveling carriage 10 are disengaged.
[0022]
Then, the traversing cart 20 is traversed in the direction of arrow a. The traversing carriage 20 moves laterally along the guide rail 15 because the guided member 31 provided on the vehicle body 23 is engaged with the guide rail 15 laid in the lateral groove portion 13 of the trackless traveling carriage 10. Further, since the traversing carriage 20 is an eight-wheel drive, for example, as shown in the figure, the remaining six driving wheels 24 from the rails of the trackless traveling carriage 10 are retained by the remaining six driving wheels 24 floating in the air. It is possible to easily transfer to the rail 42 of the gantry 40 on the exit table side.
[0023]
As shown in FIG. 8, after the traversing carriage 20 is stopped at a predetermined position, the conveyed object A on the receiving platform 41 is lifted by the lifting platform 22 of the traversing carriage 20. When the transported object A is transferred from the cradle 41 to the lift 22, the traversing carriage 20 is moved back in the direction of arrow b.
As described above, when the traversing cart 20 is moved back, the traversing cart 20 returns to the home position of the trackless traveling cart 10 along the guide rail 15 (see FIG. 9).
[0024]
As shown in FIG. 9, the traversing carriage 20 that has returned to the trackless traveling carriage 10 descends the lifting platform 22 to support the conveyed object A on the support base 12 of the trackless traveling carriage 10. Then, the positioning pin 33 provided on the traversing cart 20 is engaged with the positioning platform 17 of the trackless traveling cart 10 to fix the traversing cart 20 to the trackless traveling cart 10.
[0025]
Thereafter, as shown in FIG. 10, the trackless traveling carriage 10 is laid on the receiving equipment side frame 50, and the height of the trackless traveling carriage 10 is adjusted by an outrigger (not shown). And after making the height of the rail surface of the rail provided in the horizontal groove part of the trackless traveling cart 10 coincide with the rail surface 53 of the rail 52 laid on the mount 50, the positioning pin (not shown) of the traversing cart is raised. The engagement between the positioning pin and the positioning base (not shown) of the trackless traveling carriage 10 is released. Then, the traversing cart 20 is traversed in the direction of arrow c. At this time, since the traversing carriage 20 is an eight-wheel drive car, even if two of them float in the air, the remaining six wheels cause the rails of the rack 50 on the warehousing side from the rails of the trackless traveling carriage 10. You can easily transfer to 52.
[0026]
Then, after the traversing carriage 20 is stopped at a predetermined position, as shown in FIG. 11, the elevator 22 is lowered to transfer the article A to be transferred onto the supply table 61 on the warehousing facility side. Then, the traversing carriage 20 is returned in the direction of the arrow d and returned to the lateral groove portion (not shown) of the trackless traveling carriage 10.
[0027]
【The invention's effect】
As described above, the transport carriage according to the first aspect of the present invention includes the trackless traveling carriage provided with the lateral groove portion on the upper surface of the vehicle body, and the transverse carriage mounted on the lateral groove portion, and the transverse carriage is Since it is formed from a driving carriage and a lifting platform provided so as to be movable up and down directly above the driving carriage, a long object having a length of several meters to ten and several meters is moved from the delivery side to the receiving equipment side. A predetermined number of pieces can be transported safely and efficiently.
[0028]
In particular, it is possible to reduce the overturning moment generated in the trackless traveling cart when the traversing cart transports the object to be transported from the unloading platform to the trackless traveling cart or from the trackless traveling cart to the receiving platform. The weight of the traveling cart can be reduced.
[0029]
In the transport cart according to the invention described in claim 2, since the outrigger is provided on the trackless traveling cart, the outrigger can ensure the accuracy in the height direction of the trackless traveling cart when the traversing cart is transferred. It was.
[0030]
According to a third aspect of the present invention, there is provided a transport cart, wherein a guide rail in a lateral direction is laid in a lateral groove portion of a trackless traveling cart, and a guided member that engages with the guide rail is provided on the traversing cart. By engaging the guided member provided on the guide rail with the guide rail in the transverse direction laid in the transverse groove portion of the trackless traveling carriage, the transverse carriage can be made to traverse along the guide rail.
[0031]
In the transport cart according to the invention described in claim 4, since the traversing cart has two or more driving wheels in the longitudinal direction of the vehicle body, there is a slight gap between the trackless traveling cart and the mount. However, traversing carts can now be easily transferred from a trackless traveling cart to a frame, or from a frame to a trackless traveling cart.
In the transport cart according to the fifth aspect of the present invention, since the traversing cart is provided with wheels without ribs, it is possible to allow the shift of the stop position in the travel direction of the travel cart.
[Brief description of the drawings]
FIG. 1 is a side view of a transport cart according to the present invention.
FIG. 2 is a plan view of the transport carriage of FIG.
FIG. 3 is a front view of the transport carriage of FIG. 1;
FIG. 4 is a side view of a traversing cart.
FIG. 5 is a plan view of the traversing cart of FIG. 4;
6 is a front view of the traversing cart of FIG. 4. FIG.
FIG. 7 is an explanatory diagram showing a state in which a traversing cart is transferred from a trackless traveling cart to a rack on the exit platform side.
FIG. 8 is an explanatory view showing a state in which the object to be conveyed on the exit table side is lifted by the lifting platform of the traversing carriage.
FIG. 9 is an explanatory diagram showing a state in which the object to be conveyed is placed on a support base of a trackless traveling carriage.
FIG. 10 is an explanatory diagram showing a state in which a traversing cart is transferred from a trackless traveling cart to a platform on the arrival equipment side.
FIG. 11 is an explanatory diagram showing a state in which the object to be conveyed is transferred to a supply table on the arrival equipment side.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Trackless traveling trolley 11 Car body upper surface 13 Horizontal groove part 20 Traverse trolley 21 Drive trolley 22 Lifting base

Claims (5)

A transport carriage for transferring the transported object between goods movements facilities,該搬 a trackless type traveling dolly truck with a lateral groove portion to the vehicle body upper surface feed, transverse base pinion Rannahli mounted on the lateral groove and, The traversing cart is transferred from the trackless traveling cart to the loading / unloading facility, and after the transfer operation of the transferred object is completed, the driving cart returns to the trackless traveling cart , and is provided up and down directly above the driving cart. lifting platform or we formed and made transport truck was.   The transport cart according to claim 1, wherein an outrigger is provided on the trackless traveling cart.   The conveyance carriage according to claim 1, wherein a guide rail in a transverse direction is laid in a lateral groove portion of the trackless traveling carriage, and a guided portion that engages with the guide rail is provided in the transverse carriage.   The transporting carriage according to claim 1 or 3, wherein the traversing carriage includes two or more driving wheels in a longitudinal direction of the vehicle body.   The conveying cart according to claim 1, 3, or 4, wherein the traversing cart is provided with wheels without a brim.

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