JP4743425B2 - Article conveying device - Google Patents

Description

  The present invention relates to an article transport apparatus that is applied to, for example, a construction site of a building under construction and is used when an article such as a construction material is transported.

  Conventionally, there is an article conveyance device including a plurality of conveyance carriages (see, for example, Patent Documents 1 and 2). Some of these types of article conveying devices are applied to, for example, the construction site of a building under construction, and convey articles such as small beam units that are construction materials. For example, as shown in FIGS. 9 to 11, such a conventional article transport device includes four transport carts 1 a, 1 b, 1 c, 1 d and one distribution board 2. As shown in FIG. 12, each transport carriage 1a, 1b, 1c, 1d includes a frame body BD, drive wheels DW, driven wheels OW, and control means CO, respectively.

  The frame body BD is for placing an article 3 such as a construction material thereon. The drive wheel DW incorporates a drive source DR such as an electric motor, and is a wheel that rotates when the drive source DR is driven. When the driven wheel OW drives the drive source DR to rotate the drive wheel DW, and the transport wheels 1a, 1b, 1c, and 1d move by the rotation of the drive wheel DW, the transport wheels 1a, 1b, 1c, It is a wheel that rotates following the movement of 1d. These drive wheels DW and driven wheels OW are placed on guide rails 5a and 5b attached to the floor 4, as shown in FIGS. The guide rails 5a and 5b form a pair of two and constitute the guide means 5, and are arranged so as to maintain a constant distance from each other. The guide means 5 guides the moving direction of the transport carriages 1a, 1b, 1c, 1d.

  The control means CO is for performing drive control of the drive source DR. Such control means CO is provided with a first cable C1 and a second cable C2, as shown in FIGS. The first cable C1 has one end attached to the control means CO, the other end attached to the drive wheel DW, and the control means CO and the drive source DR built in the drive wheel DW. It is an electrical connection. The first cable C1 is provided with power wiring. The second cable C2 has one end attached to the control means CO and the other end provided with the first engaging portion 6a of the connector 6, and the control means CO and the first engaging portion 6a. Are electrically connected to each other. The second cable C2 is provided with power wiring. The first engaging portion 6a is attached to a second engaging portion 6b described later, and constitutes the connector 6 with the second engaging portion 6b.

  The distribution board 2 applies the voltage of the power source 7 to the drive wheels DW via the control means CO (power is supplied to the drive source DR). As shown in FIG. 11, the third cable C3 And a fourth cable C4 and a switch (switch means) SW arranged in a manner displaceable between an open state and a closed state.

  The third cable C <b> 3 has one end attached to the distribution board 2 and the other end attached to the power supply 7, and is electrically connected to the distribution board 2 and the power supply 7. The third cable C3 is provided with power wiring.

  As shown in FIG. 9, the fourth cable C4 is provided along the ceiling 8 of the floor on which the article conveying device is provided, and one end is attached to the distribution board 2, as shown in FIG. In addition, the second engaging portion 6b of the connector 6 is provided at the other end, and the distribution board 2 and the second engaging portion 6b are electrically connected. This fourth cable is provided with power wiring. The other end of the fourth cable C4 is suspended from the ceiling 8 so that the first engagement portion 6a can be attached to the second engagement portion 6b.

  The connector 6 includes a first engagement portion 6a and a second engagement portion 6b. When the first engagement portion 6a is attached to the second engagement portion 6b, the second cable C2 and the fourth cable C4 are provided. Are connected to each other.

  The switch SW is arranged on the control panel 2 in such a manner that it can be displaced between a closed state in which the drive control of the drive source DR can be performed by the control means CO and an open state in which the drive control of the drive source DR cannot be performed by the control means CO. It is set up. Therefore, when the switch SW is displaced to the closed state, the voltage of the power source 7 can be applied to the drive source DR, and the first cable C1, the second cable C2, the fourth cable C4, and When the connector 6 is in the live line state and the switch SW is displaced to the open state, the voltage of the power source 7 cannot be applied to the drive source DR, and the first cable C1 and the second cable C2, the fourth cable C4, and the connector 6 are in a non-live line state.

  Such an article conveying device displaces the switch SW to the closed state, and drives the driving wheel DW by, for example, controlling the driving source DR by the control means CO, and conveys it by rotating the driving wheel DW. While moving the trolley | bogie 1b, the articles | goods 3 mounted on the conveyance trolley | bogie 1b can be conveyed.

JP-A-11-99940 JP 2000-60034 A

  By the way, in the article transport apparatus as described above, since the transport carts 1a, 1b, 1c, and 1d each have the control means CO, the parts cost of the transport carts 1a, 1b, 1c, and 1d becomes expensive, thereby There has been a problem that the article conveying device becomes expensive.

  The present invention has been made in view of the above, and it is an object of the present invention to provide an article conveying apparatus having a low component cost.

  In order to solve the above-described problems and achieve the object, the present invention includes a plurality of transport carriages provided with a drive source, and a control unit that performs drive control of the drive sources. An article conveying apparatus that selectively feeds power to a driving source via a control unit and drives articles by driving a driving source of a feeding carriage that has been fed, and a moving region of a plurality of conveying carriages The traveling body is movably disposed in a manner that covers the vehicle, and the control means is mounted on the traveling body.

  According to a second aspect of the present invention, there is provided the article conveying apparatus according to the first aspect, wherein a connector for detachably connecting a driving source of each conveying carriage to the control means, and the connector in a live state. Switch means for displacing to a live line state and a remote controller for displacing the connector between a live line state and a non-live line state by operating the switch means are provided.

  According to the article conveying apparatus according to the present invention, the apparatus includes a plurality of conveying carts provided with a driving source and a control unit that performs driving control of the driving sources, and the controlling unit controls the driving sources of the plurality of conveying carts. Is an article conveying apparatus that conveys articles by selectively feeding power via a power source and driving a driving source of the feeding carriage that has been fed, and in a manner that covers a moving region of a plurality of carriages Since the control means is mounted on the traveling body, the number of the control means can be made smaller than the number of the transport carts, thereby providing an inexpensive article transport apparatus.

  Further, according to the article transporting apparatus according to claim 2, a connector for detachably connecting the drive source of each transport carriage to the control means, and the connector is displaced between a live line state and a non-live line state. Since the switch means and the remote controller that displaces the connector between the live line state and the non-live line state by operating the switch means are disposed, it is possible to dispose the remote control near the connector. If a remote control is provided in the vicinity of the connector, the operator moves between the displacement of the switch and the attachment / detachment of the connector as compared with the case where the switch means is arranged on the switchboard and the operator operates the switch. The distance can be shortened. Therefore, it is possible to improve workability when switching the transport carriage for transporting the article.

  Embodiments of an article conveying device according to the present invention will be described below in detail with reference to the drawings. 1 and 2 are views showing an article conveying device according to the present invention.

  The article transport device is applied to a construction site of a building under construction, for example, and transports an article such as a beam unit that is a building material. Such an article transport device includes, for example, a plurality (four in this embodiment) of transport carts 10a, 10b, 10c, 10d, first guide means 23, distribution board 25, control panel 30, and second guide means. It has.

  Each transport carriage 10a, 10b, 10c, 10d includes a main body frame 11, a receiving base 12, a driving wheel 15, and a driven wheel 21, respectively, as shown in FIGS. The main body frame 11 is a framework of the transport carriages 10a, 10b, 10c, and 10d, and includes, for example, four beam members w, x, y, and z, and these beam members w, x, y , Z are connected in a substantially rectangular frame shape. A brace material u is disposed at each corner of the main body frame 11.

  The cradle 12 is for placing an article 13 such as a small beam unit, which is a construction material, on the cradle 12, and is arranged two above the beam members w, y extending in the left-right direction in FIG. It is set up. As shown in FIG. 3, the cradle 12 is symmetrical with respect to a center line CL that bisects the beam members w and y, for example, so that the article 13 can be stably placed thereon. In place.

  As shown in FIG. 4, the drive wheel 15 includes a drive source 16 such as an electric motor, and is a wheel that rotates when the drive source 16 is driven. Such a drive wheel 15 is attached in such a manner that it can rotate freely, for example, at the lower part of the approximate center of one beam member w extending in the left-right direction in FIG. The drive source 16 is provided with a first cable C11 as shown in FIGS. The first cable C11 has one end attached to the drive source 16 and the other end provided with a first engagement portion 17a of the connector 17. In addition, the first cable C11 includes a power wiring, and electrically connects the drive source 16 and the first engagement portion 17a. Such a first cable C11 is a part of the wiring 20 that electrically connects the drive source 16 and the control means 32 described later.

  The driven wheel 21 drives the drive wheel 15 to rotate by driving the drive source 16, and when the transport carts 10 a, 10 b, 10 c, 10 d are moved by the rotational drive of the drive wheel 15, the transport carts 10 a, 10 b, It is a wheel that rotates following the movement of 10c, 10d. Such a driven wheel 21 includes, for example, the right end of one beam member w extending in the left-right direction in FIG. 2 and the right end of the other beam member y extending in the left-right direction in FIG. Further, it is an embodiment that is rotatable, and is attached so that the rotation axes thereof coincide with each other. Further, the driven wheel 21 is, for example, at the left end of one beam member w extending in the left-right direction in FIG. 2 and the left end of the other beam member y extending in the left-right direction in FIG. It is an aspect that can be freely rotated, and is attached so that the rotation axes thereof coincide with each other. Further, the driven wheel 21 is configured to be rotatable at the approximate center of the other beam member y extending in the left-right direction in FIG. 2, and the rotation axis thereof coincides with the rotation axis of the drive wheel 15. It is attached to. Moreover, in FIG. 2, the interval between the driven wheels 21 attached to the right side of the beam members y and w, the interval between the driven wheels 21 attached to the left side of the beam members y and w in FIG. The distance between the drive wheel 15 attached to the approximate center and the driven wheel 21 attached to the approximate center of the beam member y is the same. In addition, the transport carts 10a, 10b, 10c, and 10d shown in this embodiment are each provided with five driven wheels 21 and one drive wheel 15 as described above.

  The 1st guide means 23 guides the moving direction of the conveyance trolley | bogie 10a, 10b, 10c, 10d. More specifically, for example, in FIG. 2, the carriages 10a, 10b, 10c, and 10d are guided to move in the left-right direction, and two sets of first guide rails 23a and 23b are provided. Yes. Such first guide means 23 also has a function of determining the movement areas of the four transport carriages 10a, 10b, 10c, and 10d.

  As shown in FIG. 2, one first guide rail 23a and the other first guide rail 23b are respectively mounted on the floor 24 shown in FIG. The distance between the one first guide rail 23a and the other first guide rail 23b is the distance between the driven wheels 21 attached to the right side of the beam members y and w in FIG. The distance between the driven wheels 21 attached to the left side of w and the distance between the drive wheel 15 attached to the approximate center of the beam material w and the driven wheel 21 attached to the approximate center of the beam material y in FIG. The driving wheel 15 and the driven wheel 21 are placed on the first guide rails 23a and 23b. These guide rail lengths L are, for example, 100 m. Accordingly, the moving area of the transport carriages 10a, 10b, 10c, and 10d shown in this embodiment is 100 m.

  The distribution board 25 applies the voltage of the power source 26 to the drive source 16 through a control means described later (power is supplied to the drive source 16). In other words, the distribution board 25 supplies power to the drive source 16 via the control means. Such a distribution board 25 is provided with a second cable C12 and a third cable C13.

  The second cable C <b> 12 has one end attached to the distribution board 25 and the other end attached to the power supply 26. Such a 2nd cable C12 is provided with power wiring, and connects the power supply 26 and the distribution board 25 electrically.

  As shown in FIGS. 1 and 5, the third cable C <b> 13 is attached to the distribution board 25 at one end in a manner along the ceiling 27 of the floor on which the article conveying device is provided. More specifically, the third cable C13 is attached to the first bracket disposed on the second guide rail 71 of the second guide means 70 described later, so that the third cable C13 extends along the ceiling 27 of the floor on which the article conveying device is provided. And it is provided above the moving area of the transport carriages 10a, 10b, 10c, 10d. Accordingly, the third cable C13 covers the moving area of the four transport carriages 10a, 10b, 10c, and 10d. Such third cables C13 form a set of three. An insulator (not shown) is provided between the first bracket and the third cable C13.

  As shown in FIGS. 4 and 5, the control panel 30 includes control means 32 inside the housing 30 a. The housing | casing 30a is formed in the box shape using metal steel materials.

  The control means 32 includes devices such as a wiring interruption for preventing the drive source 16 from being driven in a state where an article 13 having a predetermined weight or more is placed on the transport carriages 10a, 10b, 10c, 10d, for example. It is. In other words, the control means 32 performs drive control of the drive source 16.

  The control panel 30 is provided with a fourth cable C14 and a fifth cable C15. The fourth cable C14 has one end attached to the control means 32 and the other end attached to a power receiving unit described later. Such 4th cable C14 is provided with motive power wiring, and connects a power receiving part and control means 32 electrically.

  The fifth cable has one end attached to the control means 32 and the other end provided with the second engaging portion 17b of the connector 17. Such a fifth cable C15 includes power wiring, and electrically connects the control means 32 and the second engagement portion 17b via a switch to be described later. Such a fifth cable C15 constitutes a part of the wiring 20.

  The switch (switch means) 33 is displaceable between a closed state in which the drive control of the drive source 16 can be performed by the control means 32 and an open state in which the drive control of the drive source 16 cannot be performed by the control means 32. It is disposed on the power source side of the connector 17 and inside the control panel 30. In this embodiment, a switch 33 is disposed on the ground side of the control means 32.

  The switch 33 is provided with a remote controller 34 so that it can be operated by a worker on the floor 24. The remote controller 34 includes a sixth cable C16 and an operation unit 35. The sixth cable C16 connects the control panel 30 and the operation unit 35, and has a length that allows an operator on the floor 24 to operate the operation unit 35. The operation unit 35 includes a plurality of push buttons that can switch the switch 33 between an open state and a closed state.

  The connector 17 includes a first engagement portion 17a and a second engagement portion 17b. When the first engagement portion 17a is attached to the second engagement portion 17b, the first cable C11 and the fifth cable C15 are provided. Are electrically connected to each other. In other words, the connector 17 is detachably connected to the control means 32 so that the drive sources 16 of the respective transport carriages 10a, 10b, 10c, 10d can be attached and detached. Such a connector 17 is attached to the main body frame 11 of the transport carriages 10a, 10b, 10c, and 10d as shown in FIG.

  Such a control panel 30 is mounted on the traveling body 40. The traveling body 40 includes a support frame portion 41, a carriage frame portion 58, and traveling wheels 66.

  The support frame portion 41 is a portion that supports the control panel 30, and includes a first rod member 42, a second rod member 43, a third rod member 44, a fourth rod member 45, a fifth rod member 46, and a sixth rod member. A rod-shaped member, a seventh rod-shaped member 48, an eighth rod-shaped member 49, a ninth rod-shaped member 50, a tenth rod-shaped member 51, and an eleventh rod-shaped member 52 are provided.

  The first rod-like member 42 and the second rod-like member 43 attach the support frame portion 41 to the cart frame portion 58, and are arranged in a manner extending in a substantially horizontal direction. The first rod-shaped member 42 and the second rod-shaped member 43 are arranged so that the distance between the first rod-shaped member 42 and the second rod-shaped member 43 is wider than the left-right width of the control panel 30 shown in FIG. The length of the 1st rod-shaped member 42 and the length of the 2nd rod-shaped member 43 are each shorter than the depth width of the control panel 30, as shown in FIG.

  The third rod-shaped member 44, the fourth rod-shaped member 45, the fifth rod-shaped member 46, and the sixth rod-shaped member are the first rod-shaped member 42 and the second rod-shaped member 43, the seventh rod-shaped member 48, and the eighth rod-shaped member 49. Are arranged in a manner extending in the vertical direction. The third rod-shaped member 44 and the fourth rod-shaped member 45 are arranged such that the distance between the third rod-shaped member 44 and the fourth rod-shaped member 45 is slightly narrower than the depth width of the control panel 30 shown in FIG. The fifth rod-shaped member 46 and the sixth rod-shaped member are arranged such that the distance between the fifth rod-shaped member 46 and the sixth rod-shaped member is slightly narrower than the depth width of the control panel 30 shown in FIG. The third rod-shaped member 44 and the sixth rod-shaped member are arranged so that the distance between the third rod-shaped member 44 and the sixth rod-shaped member is wider than the left-right width of the control panel 30 shown in FIG. The fourth rod-like member 45 and the fifth rod-like member 46 are arranged so that the distance between the fourth rod-like member 45 and the fifth rod-like member 46 is wider than the left-right width of the control panel 30 shown in FIG. The length of the third rod-shaped member 44, the length of the fourth rod-shaped member 45, the length of the fifth rod-shaped member 46, and the length of the sixth rod-shaped member are longer than the height of the control panel 30 shown in FIG.

  The seventh rod-like member 48 and the eighth rod-like member 49 are for mounting the control panel 30 and are arranged in a manner extending in the horizontal direction. The seventh rod-shaped member 48 and the eighth rod-shaped member 49 are arranged such that the distance between the seventh rod-shaped member 48 and the eighth rod-shaped member 49 is slightly narrower than the depth width of the control panel 30 shown in FIG. The length of the seventh rod-shaped member 48 and the length of the eighth rod-shaped member 49 are longer than the left and right widths of the control panel 30 shown in FIG.

  The ninth rod-like member 50, the tenth rod-like member 51, and the eleventh rod-like member 52 hold the distance between the seventh rod-like member 48 and the eighth rod-like member 49. The ninth rod-shaped member 50 is a lower region of the left end portion of the control panel 30 shown in FIG. 6 and is attached between the seventh rod-shaped member 48 and the eighth rod-shaped member 49. The tenth rod-shaped member 51 is a lower region in the approximate center of the left-right width of the control panel 30 shown in FIG. 6 and is attached between the seventh rod-shaped member 48 and the eighth rod-shaped member 49. The eleventh rod-shaped member 52 is a lower region of the right end portion of the control panel 30 shown in FIG. 6 and is attached between the seventh rod-shaped member 48 and the eighth rod-shaped member 49.

  As shown in FIG. 5, a pulling wire 55 is disposed on the support frame portion 41 of the traveling body 40 having such a configuration. The puller wire 55 is configured so that when the carriages 10a, 10b, 10c, and 10d move, the carriages 10a, 10b, 10c, and 10d are moved so that the traveling body 40 on which the control unit 32 is mounted moves. 40 are individually connected. Specifically, one end portion of the pulling wire 55 is attached to the seventh rod-like member 48 of the support frame portion 41, and the other end portion of the pulling wire 55 is connected to the transport carriages 10a, 10b, 10c, 10d. It is attached to one beam material w. The length of such a pulling wire 55 is slightly longer than the height from the floor 24 to the ceiling 27 so that the traveling body 40 moves as the transport carriages 10a, 10b, 10c, and 10d move, and the transport carriages 10a, 10a, When the traveling body 40 is moved by the movement of 10b, 10c, and 10d, the fifth cable C15 is prevented from being removed from the control panel 30 and the first engagement portion 17a and the second engagement portion 17b are not detached. It is longer than the length of C15.

  The cart frame 58 includes a twelfth rod member 60, a thirteenth rod member 61, a fourteenth rod member 62, and a fifteenth rod member 63. The twelfth rod-shaped member 60 and the thirteenth rod-shaped member 61 are arranged in such a manner that they extend in the horizontal direction and extend in the width direction of the control panel 30 shown in FIG. The twelfth rod-shaped member 60 and the thirteenth rod-shaped member 61 include vertical walls 60a and 61a and horizontal walls 60b and 61b, respectively, and the vertical walls 60a and 61a and the horizontal walls 60b and 61b are substantially L-shaped. Formed in an embodiment. In addition, the twelfth rod-shaped member 60 and the thirteenth rod-shaped member 61 are such that the vertical walls 60a and 61a maintain a constant distance, and the vertical walls 60a and 61b are spaced apart from each other. 61a are arranged back to back.

  Near the both ends of these vertical walls 60a and 61a, traveling wheels 66 are respectively attached in a rotatable manner. The traveling wheel 66 attached to the twelfth rod-shaped member 60 and the traveling wheel 66 attached to the thirteenth rod-shaped member 61 have the rotating shafts 66a that coincide with each other and face each other. Moreover, as shown in FIG. 7, a gap d1 between the traveling wheel 66 attached to the twelfth rod-like member 60 and the running wheel 66 attached to the thirteenth rod-like member 61 is a bottom plate portion 71b of the second guide rail 71 described later. It is narrower than the width d2. The first rod-like member 42 and the second rod-like member 43 of the support frame portion 41 described above are attached to the horizontal wall 60b of the twelfth rod-like member 60, and the above-described support is attached to the horizontal wall 61b of the thirteenth rod-like member 61. A first rod-like member 42 and a second rod-like member 43 of the frame portion 41 are attached. The length of the twelfth rod-shaped member 60 and the length of the thirteenth rod-shaped member 61 are longer than the left-right width of the control panel 30 shown in FIG.

  The fourteenth rod-shaped member 62 and the fifteenth rod-shaped member 63 hold the space between the twelfth rod-shaped member 60 and the thirteenth rod-shaped member 61, extend in the horizontal direction, and are shown in FIG. Are arranged in a manner extending in the direction of the depth width. The fourteenth rod-shaped member 62 and the fifteenth rod-shaped member 63 are connected to both ends of the twelfth rod-shaped member 60 and both ends of the thirteenth rod-shaped member 61, and the twelfth rod-shaped member 60 and the thirteenth rod-shaped member. Each member 61 is attached.

  As shown in FIG. 8, the traveling wheel 66 is a wheel formed in a form having a cylindrical portion 66b and a flange portion 66c disposed on one side edge of the cylindrical portion 66b. These traveling wheels 66 are attached to both end portions of the twelfth rod-shaped member 60 and both end portions of the thirteenth rod-shaped member 61 so that the flange portions 66c face each other. Therefore, the traveling body 40 shown in this embodiment includes four traveling wheels 66.

  In such a carriage frame portion 58, a second bracket 67 is disposed at a substantially central lower portion of the twelfth rod-shaped member 60 and a substantially central lower portion of the thirteenth rod-shaped member 61. A power receiving unit 68 is provided at one end of the second bracket 67, and a weight 69 is provided at the other end.

  The power receiving unit 68 is for maintaining the electrical connection between the control means 32 mounted on the traveling body 40 and the power source 26 while the traveling body 40 moves, and is formed using a metal material. The third cable C13 is in contact with the third cable C13. Three such power receiving units 68 form a set. A second insulator (not shown) is provided between the power receiving unit 68 and the second bracket 67.

  The weight 69 serves as a counterweight for the power receiving unit 68 and the second insulator, and is formed to have substantially the same weight as the combined weight of the power receiving unit 68 and the second insulator.

  The second guide means 70 guides the moving direction of the traveling body 40 on which the control means 32 is placed. Such second guide means 70 includes a second guide rail 71.

  The second guide rail 71 includes a wall portion 71a, a bottom plate portion 71b, and a top plate portion 71c. The wall portion 71a, the bottom plate portion 71b, and the top plate portion 71c extend in the horizontal direction in a form that forms an I shape. It is formed to exist.

  The wall portion 71a is a portion that connects the bottom plate portion 71b and the top plate portion 71c. The thickness t1 of the wall portion 71a is smaller than the gap d1 between the traveling wheel 66 attached to the twelfth rod member 60 and the traveling wheel 66 attached to the thirteenth rod member 61.

  The bottom plate portion 71b is a portion on which the traveling wheels 66 of the traveling body 40 are placed. The width d2 of the bottom plate portion 71b includes the width d3 of the cylindrical portion of the traveling wheel 66 attached to the twelfth rod-shaped member 60 shown in FIG. 8, the width d4 of the cylindrical portion of the traveling wheel 66 attached to the thirteenth rod-shaped member 61, The total length of the clearance d1 between the traveling wheel 66 attached to the twelfth rod member 60 and the traveling wheel 66 attached to the thirteenth rod member 61 is substantially the same. Therefore, only the cylindrical portion 66b of the traveling wheel 66 is placed on the bottom plate portion 71b, and the flange portion 66c is located in a lateral region of the bottom plate portion 71b. The top plate portion 71c is a portion to which the first bracket 73 is attached.

  Such a 2nd guide means 70 is provided in the aspect which covers the movement area | region of conveyance trolley | bogie 10a, 10b, 10c, 10d so that the traveling body 40 can move with the movement of conveyance trolley | bogie 10a, 10b, 10c, 10d. is there. Specifically, the length of the second guide rail 71 is at least the same as the length of the first guide rails 23a and 23b, or the length is longer than the length of the first guide rails 23a and 23b. It is provided on the ceiling 27 above the first guide rails 23a, 23b.

  When the wall portion 71a of the second guide means 70 is inserted between the traveling wheel 66 attached to the twelfth rod-shaped member 60 of the traveling body 40 and the traveling wheel 66 attached to the thirteenth rod-shaped member 61. The control panel 30 is suspended from the second guide rail 71. Moreover, in this state, the moving direction of the traveling body 40 is guided by the second guide means 70.

  In the article transport apparatus having such a configuration, a case will be described in which, for example, the transport cart 10b that transports the article 13 is switched to a new transport cart 10a. In the following description, it is assumed that the control means 32 and the transport carriage 10b are electrically connected and the switch 33 is in a closed state.

  First, the operator operates the push button of the operation unit 35 to displace the switch 33 in the closed state to the open state. If the switch 33 is displaced to the open state, it becomes impossible to apply the voltage of the power source 26 to the drive source 16, and therefore it becomes impossible to control the drive source 16 by the control means 32. The cable C15, the first cable C11, and the connector 17 are in a non-live line state.

  Next, the operator removes the first engagement portion 17a of the connector 17 from the second engagement portion 17b. Next, the worker moves from the transport cart 10b that transported the article 13 to the new transport cart 10a while holding the second engaging portion 17b.

  Next, the worker attaches the second engagement portion 17b of the connector 17 to the first engagement portion 17a that is electrically connected to the drive source 16 of the transport carriage 10a. Thereafter, the operator operates the push button of the operation unit 35 to displace the switch 33 in the open state to the closed state. When the switch 33 is displaced to the closed state, the voltage of the power source 26 can be applied to the drive source 16, so that the drive control of the drive source 16 can be performed by the control means 32, and the fifth cable C15, the first cable C11, and the connector 17 are in a live line state.

  In this state, if the driving wheel 15 is rotationally driven by driving the drive source 16 while performing drive control by the control means 32, the transport carriage 10a moves while being guided in the moving direction by the first guide means 23. The article 13 placed thereon is conveyed. In addition, the traveling body 40 moves while being guided in the moving direction by the second guide means 70 as the transport carriage 10a moves.

  According to such an article conveying apparatus, the number of control means 32 can be made smaller than the number of conveying carts 10a, 10b, 10c, 10d. Therefore, an inexpensive article conveying apparatus can be provided. In addition, when the transport carts 10a, 10b, 10c, and 10d that transport the article 13 are switched by the remote controller 34, the distance that the worker moves between the displacement of the switch 33 and the attachment / detachment of the connector 17 can be shortened. Accordingly, it is possible to improve workability when switching the transport carriages 10a, 10b, 10c, and 10d that transport the article 13.

  In the above-described embodiment, the articles 13 are not simultaneously transported by the four transport carts 10a, 10b, 10c, and 10d, and the transport carts 10a, 10b, 10c, and 10d are moved one by one. The description has been made on the case of conveying the article 13. However, the present invention is not limited to this, and the above-described effects can be obtained as long as the number of control means 32 is smaller than the number of transport carriages 10a, 10b, 10c, and 10d.

  Further, in the above-described embodiment, the switch 33 is described as being disposed on the power supply side of the connector 17 and on the ground side of the control means 32. However, the present invention is not limited to this, and the switch 33 may be disposed on the power source side of the connector 17 and on the power source side of the control means 32.

It is a side view which shows the article conveyance apparatus concerning this invention. It is a top view which shows the article conveyance apparatus shown in FIG. It is a side view which shows the conveyance trolley with which the article conveyance apparatus shown in FIG. 1 is provided. It is a block diagram of the article conveyance apparatus shown in FIG. It is a perspective view of the traveling body with which the article conveyance apparatus shown in FIG. 1 is provided. It is a front view of the traveling body shown in FIG. It is a side view of the traveling body shown in FIG. It is a top view of the traveling body shown in FIG. It is a side view which shows the conventional article conveyance apparatus. It is a top view which shows the article conveyance apparatus shown in FIG. It is a block diagram of the article conveyance apparatus shown in FIG. It is a side view which shows the conveyance trolley with which the article conveyance apparatus shown in FIG. 9 is provided.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10a Conveyance trolley 10b Conveyance trolley 10c Conveyance trolley 10d Conveyance trolley 13 Goods 16 Drive source 17 Connector 32 Control means 33 Switch (switch means)
34 Remote control 40 Running body

Claims (2)

Comprising a plurality of transport carriages provided with a drive source, and a control means for performing drive control of the drive source;
An article conveying device that conveys articles by selectively feeding power to the driving sources of the plurality of conveying carts via a control unit, and driving the driving source of the conveying cart that has been fed.
An article transporting apparatus, wherein a traveling body is movably disposed in a manner covering a moving area of a plurality of transport carriages, and the control means is placed on the traveling body. A connector for detachably connecting a driving source of each transport carriage to the control means;
Switch means for displacing the connector between a live line state and a non-live line state;
The article conveying apparatus according to claim 1, further comprising: a remote controller that displaces the connector between a live line state and a non-live line state by operating a switch unit.

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