JP2017210329A - Transport system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stop in an early stage, vibration of a ramp which is suspended by a suspension member.SOLUTION: A transport system 100 comprises: a transport vehicle 110 comprising a travel vehicle 101 which travels along a rail 103, and a ramp 112 which is lifted up and down in a suspended state; and a storage member 102 on which a load is mounted, between it and the ramp 112. The transport system has a first engagement member 151 arranged on each of both sides of a movement area 120 of the ramp 112, and to the storage member 102, the first engagement member 151 is attached. The ramp 112 has two second engagement members 152 engaging to the first engagement members 151, and entry/retreat means for making the second engagement members 152 enter and retreat, in a horizontal state, in opposite directions, to the ramp 112, and pressing the second engagement members 152 to the first engagement members 151.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a transport vehicle having a traveling vehicle that travels along a rail and a lifting platform that is lifted and lowered in a state of being suspended by a suspension member with respect to the traveling vehicle, and a load is transferred between the lifting platform. The present invention relates to a transport system including a storage member.

  2. Description of the Related Art Conventionally, a transport system that travels a traveling vehicle along a rail suspended from a ceiling and transports luggage near the ceiling is known. The traveling vehicle used in the transport system is attached with a lifting platform that is suspended by a suspension member so that it can be moved up and down, and the lifting platform descends to a storage member arranged along the traveling path of the traveling vehicle. It is intended to transfer luggage.

  In such a traveling vehicle, the lifting platform is suspended by a flexible suspension member, and therefore, when the load is transferred between the lifting platform and the shelf storage member, shaking of the lifting platform is suppressed. It is desirable to fix the positional relationship between the storage member and the lifting platform. In Patent Document 1, a hanging plate member is fixed to the moving region side of the lifting platform of the storage member. By sandwiching the plate member from below by an arm rotated from the lifting platform, the storage member, the lifting platform, A technique for fixing the positional relationship is described.

JP 2016-13915 A

  However, the operation until the arm is rotated and the hanging plate member is sandwiched tends to increase the time until the shaking of the lifting platform subsides, and there is a concern that the conveyance efficiency is lowered. Further, since the arm is rotated from the lifting platform and the plate-like member is sandwiched between the tips of the arms, it is necessary to increase the rigidity of the rotation mechanism, the arm, and the like, and it is also necessary to have a space that allows the arm to rotate.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a transport system that can easily and quickly stop shaking of a lifting platform with respect to a storage member when a load is transferred.

  In order to achieve the above object, a conveyance system according to the present invention includes a traveling vehicle that travels along a rail, and a transportation vehicle that includes a lifting platform that moves up and down while being suspended by a suspension member with respect to the traveling vehicle. , A storage system on which a load is transferred to and from the lifting platform, and a first engagement member disposed on each side of the moving area of the lifting platform, the storage member being The first engaging member disposed on at least one side of the moving region is attached, and the lifting platform engages with the first engaging member in a direction along a traveling direction of the traveling vehicle and extends vertically. And two second engaging members that are not engaged, and the second engaging member with respect to the lifting platform horizontally retracted toward both sides of the moving region, and the first engaging member Generates pressing force to press the two engaging members It is characterized by comprising a projecting and retracting means for.

  According to this, the second engagement member protrudes from the lifting platform toward both sides of the moving region of the lifting platform, and is engaged in a state of being stretched against the first engaging member disposed on both sides of the moving region. Thus, it is possible to effectively suppress shaking of the lifting platform at an early stage.

  In addition, one of the first engagement member and the second engagement member includes a tapered portion that gradually increases in the traveling direction toward the other, and the other extends in the vertical direction. You may provide the rod-shaped part which exists.

  According to this, even when the lifting platform is slightly swayed in the traveling direction, since the tip of the taper portion is wide with respect to the rod-like portion, the second engagement member is projected to project the second engagement member and the second engagement member. The member can be engaged with the member to some extent, and the second engaging member can be further protruded to forcibly stop the shaking of the lifting platform by the withdrawal / retraction means.

  Further, the second engagement member is provided on one of the first engagement member and the second engagement member, and the other of the first engagement member and the second engagement member is engaged. You may further provide the flange part which controls a raise in a predetermined position.

  According to this, it is possible to prevent the lifting platform from being out of balance and greatly tilting or overturning at the time of load transfer.

  And a mounting member that is disposed on the opposite side of the storage member with respect to the moving region, the first engagement member is mounted at a predetermined position, and is narrower than the storage member in the load transfer direction. May be.

  According to this, even when the storage member is arranged only on one side of the narrow passage, it is possible to firmly stop the shaking of the lifting platform. Moreover, it becomes possible to improve the freedom degree of design of a conveyance system.

  According to the invention of this application, the second engaging member protruding from the lifting base is engaged with the first engaging members arranged on both sides of the moving area of the lifting base in a stretched state, whereby the lifting base for the storage member Can be stopped early. Accordingly, it is possible to quickly transfer the load between the lifting platform and the storage member in an accurate positional relationship.

FIG. 1 is a perspective view illustrating a part of the transport system according to the first embodiment. FIG. 2 is a perspective view showing an engagement state between the first engagement member and the second engagement member. FIG. 3 is a perspective view showing a state immediately before the first engagement member and the second engagement member are engaged. FIG. 4 is a plan view showing the bottom surface of the lifting platform. FIG. 5 is a perspective view showing a part of the transport system according to the second embodiment. FIG. 6 is a perspective view showing different engagement states of the first engagement member and the second engagement member.

  Next, an embodiment of a transport system according to the present invention will be described with reference to the drawings. The following embodiment is merely an example of the transport system according to the present invention. Accordingly, the scope of the present invention is defined by the wording of the claims with reference to the following embodiments, and is not limited to the following embodiments. Therefore, among the constituent elements in the following embodiments, constituent elements that are not described in the independent claims indicating the highest concept of the present invention are not necessarily required to achieve the object of the present invention. It will be described as constituting a preferred form.

(Embodiment 1)
FIG. 1 is a perspective view showing a part of the transport system.

  As shown in the figure, the transport system 100 includes a traveling vehicle 101 that travels along the rail 103 and a transportation vehicle 110 that includes a lifting platform 112 that moves up and down while being suspended from the traveling vehicle 101 by a suspension member 111. And a storage member 102 to which a load is transferred between the lifting platform 112 and a first engagement member 151 disposed on each side of the moving area 120 of the lifting platform 112.

  The storage member 102 is a member to which the first engagement member 151 is attached and which can hold a load transferred from the lifting platform 112.

  In the case of the present embodiment, the storage members 102 are shelves arranged on both sides of the moving area 120 of the lifting platform 112, and the traveling direction in which the traveling vehicle 101 travels (in the case of the present embodiment, the Y-axis direction in the figure). ) And a shelf board 121 that can store the luggage in a loaded state, and the shelf board 121 is also arranged in the vertical direction.

  Further, first engaging members 151 are attached to a part of the shelf board 121 facing the moving region 120 side by side at a predetermined interval.

  The storage member 102 may store a single or a small number of luggage, and the storage method may be any storage method such as a suspended shape as well as a placement shape.

  The traveling vehicle 101 is a carriage that travels along a rail 103 that is beamed in a suspended state at a high place such as a ceiling of a building. In the case of the present embodiment, the traveling vehicle 101 is attached in a state of hanging from the rail 103, and receives electric power from an installed battery or a power supply line (not shown) provided along the rail 103. It is operated by a motor. In addition, the traveling vehicle 101 includes a device that can wind and unwind the suspension member 111, and the elevator 112 that is suspended by the suspension member 111 by winding and unwinding the suspension member 111. It can be moved up and down.

  The suspension member 111 is a member for connecting the traveling vehicle 101 and the lifting platform 112 to suspend the lifting platform 112 from the traveling vehicle 101. The suspension member 111 is a member that is flexible enough to be wound up, such as a metal wire or chain. In the case of the present embodiment, the lifting platform 112 is suspended using four suspension members 111.

  The lifting platform 112 is a platform for holding a load while being suspended from the traveling vehicle 101 by the suspension member 111. In the case of the present embodiment, a transfer device 114 is attached to the lifting / lowering table 112, and the transfer device 114 moves back and forth toward the shelf plate 121, so that the transfer table 114 is moved between the lifting / lowering table 112 and the shelf plate 121. It is possible to transfer luggage.

  In addition, a retracting means 104 for engaging the second engaging member 152 with the first engaging member 151 provided on the shelf board 121 is attached to the lower part of the lifting platform 112. The second engagement member 152 and the withdrawing / withdrawing means 104 will be described later.

  As described above, in the transport vehicle 110, the traveling vehicle 101 travels along the rail 103, and the lifting platform 112 moves up and down with respect to the traveling vehicle 101, so that the lifting platform 112 can freely move within the moving region 120. It is possible.

  FIG. 2 is a perspective view showing an engagement state between the first engagement member and the second engagement member.

  FIG. 3 is a perspective view showing a state immediately before the first engagement member and the second engagement member are engaged.

  The first engaging member 151 is a member disposed on each side of the moving region 120 of the lifting platform 112, and by engaging with the second engaging member 152, the shaking of the lifting platform 112 is stopped and the storage member 102 is moved. It is a member that can position the elevator 112. The first engagement members 151 arranged on both sides of the moving region 120 are arranged at the same position in the traveling direction of the traveling vehicle 101 (Y-axis direction in the drawing), and are disposed at the same height in the vertical direction.

  The first engagement member 151 and the second engagement member 152 are engaged with each other in the direction along the traveling direction (Y-axis direction in the drawing) of the traveling vehicle 101 to regulate the position, and the vertical direction (see FIG. (In the middle Z-axis direction), they can slide relative to each other without being engaged.

  In the case of the present embodiment, the first engagement member 151 includes a rod-like portion 153 that extends in the vertical direction. The rod-shaped portion 153 is a portion that directly contacts the second engagement member 152. In the case of the present embodiment, the rod-like portion 153 has a round bar shape, and an upper end portion and a lower end portion are attached to the C-shaped channel, and are attached to the end surface of the shelf plate 121 of the storage member 102 via the channel. .

  The rod-like portion 153 further includes a flange portion 154 that restricts the rising of the engaged second engaging member 152 at the upper end portion of the rod-like portion 153. The flange portion 154 is a portion projecting outward from the upper end portion of the rod-shaped portion 153, and in this embodiment, a part of the channel functions as the flange portion 154.

  The second engaging member 152 is a member that engages with the first engaging member 151 in a state where the second engaging member 152 moves out of the lifting platform 112 and protrudes from the lifting platform 112. In the case of the present embodiment, the second engagement member 152 is provided with an M-shape having a tapered portion 155 that gradually increases in the traveling direction (Y-axis direction in the drawing) toward the first engagement member 151. It is a block-shaped member. The taper portion 155 of the second engagement member 152 is a V-shaped groove extending in the vertical direction, and has a shape that can be displaced in the vertical direction when engaged with the first engagement member 151. . Further, the upper end surface of the second engagement member 152 and the flange portion 154 of the first engagement member 151 can be engaged in the vertical direction.

  FIG. 4 is a plan view showing the bottom surface of the lifting platform.

  As shown in the figure, a lifting / lowering means 104 is attached to the lifting platform 112.

  The withdrawing / withdrawing means 104 moves the two second engaging members 152 horizontally with respect to the lifting platform 112 toward both sides of the moving region 120 (in the X-axis direction in the figure), respectively, and first engagement This is a device for generating a pressing force for pressing the second engaging member 152 against the member 151. In the case of the present embodiment, the withdrawing / withdrawing means 104 has a traveling direction (Y-axis direction in the figure) and a horizontal plane of the traveling vehicle 101 in a state where at least the first engaging member 151 and the second engaging member 152 are in contact with each other. The same pressing force can be applied to the second engagement member 152 in the reverse direction on the extending and retracting axis L extending virtually in the direction orthogonal to the inside (X-axis direction in the figure). As a result, the lifting / lowering platform 112 can be prevented from shaking while being stretched between the two first engaging members 151 riding on the retracting / retracting axis L, and the position of the lifting / lowering platform 112 relative to the storage member 102 is determined. It becomes possible to do.

  Specifically, for example, as shown in FIG. 4, the exit / retreat means 104 is attached to the timing belt 141, the pulley 142, the driving pulley 143 that reciprocates the timing belt 141, and one side and the other side of the timing belt, respectively. Arm 144. According to the retracting means 104 having such a structure, when the timing belt 141 is rotated clockwise in the figure, the second engagement member 152 is moved backward together with the arm 144, and the timing belt 141 is rotated counterclockwise. It becomes possible to move the second engagement member 152 together with the arm 144 straight on the retracting axis L.

  The exit / retreat means 104 is not limited to one that drives the arm 144 by the timing belt 141. For example, a chain may be used instead of a timing belt. Moreover, you may employ | adopt arbitrary mechanisms, such as a mechanism using a gearwheel, such as a rack and a pinion, and a link mechanism.

  According to the transport system 100 described above, even when the lifting platform 112 is disposed below the storage member 102 and the lifting platform 112 is swaying, the two second engaging members 152 are protruded in the opposite directions by the retracting means 104. Then, by engaging with the first engaging members 151 disposed at both ends of the moving region 120, it is possible to quickly stop the shaking of the lifting platform 112 and determine the position of the lifting platform 112 relative to the storage member 102. . Accordingly, the transfer of the load between the elevator 112 and the storage member 102 can be started immediately after the traveling vehicle 101 is stopped, and the transfer efficiency of the entire transfer system 100 can be improved.

  In addition, since the second engagement member 152 is linearly projected in the horizontal plane, the time required to engage with the first engagement member 151 can be shortened. Therefore, the shaking of the lifting platform 112 can be stopped at an early stage, and the transfer operation can be started immediately after the lifting platform 112 arrives at a predetermined location, so that the transport efficiency of the entire transport system 100 can be improved.

(Embodiment 2)
Next, another embodiment of the transport system 100 will be described. In addition, the same code | symbol may be attached | subjected to what has the effect | action and function similar to the said Embodiment 1, and the same shape, mechanism, and structure (part) may be abbreviate | omitted. In the following description, differences from the first embodiment will be mainly described, and description of the same contents may be omitted.

  FIG. 5 is a perspective view showing a part of the transport system according to the present embodiment.

  As shown in the figure, a storage member 102 is disposed on one side of the moving area 120 of the lifting platform 112, and an attachment member 106 is disposed on the opposite side of the storage member 102.

  The attachment member 106 is a member that is narrower than the storage member 102 in the load transfer direction (X-axis direction in the drawing) and to which the first engagement member 151 is attached at a predetermined position. In the case of the present embodiment, the attachment member 106 extends along the traveling direction (Y-axis direction in the drawing) of the traveling vehicle 101 and is arranged side by side in the vertical direction (Z-axis direction in the drawing). 151 includes a beam member 162 that is mounted side by side and cannot store luggage, and a column member 161 that extends in the vertical direction and supports the beam member 162 at both ends.

  Accordingly, the first engagement member 151 attached to the storage member 102 and the first engagement member 151 attached to the attachment member 106 can be used in a narrow space where the storage member 102 cannot be disposed on both sides of the moving region 120. The two second engaging members 152 can be engaged with each other in a stretched state, the shaking of the lifting platform 112 can be stopped, and the position of the lifting platform 112 with respect to the storage member 102 can be determined. The attachment member 106 may be supported by being attached to a wall such as a building.

  In addition, this invention is not limited to the said embodiment. For example, another embodiment realized by arbitrarily combining the components described in this specification and excluding some of the components may be used as an embodiment of the present invention. In addition, the present invention includes modifications obtained by making various modifications conceivable by those skilled in the art without departing from the gist of the present invention, that is, the meaning described in the claims. It is.

  For example, as shown in FIG. 6, the first engagement member 151 is an M-shaped block including a tapered portion 155 and a flange portion 154 that closes an end portion of the V-shaped groove. The two engagement members 152 may include a rod-like portion 153 extending in the vertical direction.

  In addition, although it has been described that the second engaging members 152 are moved out and out of the lifting platform 112 one by one, the number of the second engaging members 152 that move out of the lifting platform 112 may be three or more. Absent.

  Moreover, although the case where the rod-shaped part 153 with which the 1st engagement member 151 is provided is attached to the storage member 102 via a channel was demonstrated, you may attach the rod-shaped part 153 to the storage member 102 directly. In this case, the rod-shaped portion 153 may be attached to an L-shaped angle or a C-shaped channel arranged so that the storage member 102 projects toward the moving region 120.

  The present invention can be used in an automatic warehouse.

DESCRIPTION OF SYMBOLS 100 Conveying system 101 Traveling vehicle 102 Storage member 103 Rail 104 Exit / withdrawal means 106 Mounting member 110 Conveying vehicle 111 Lifting member 112 Lifting table 114 Transfer device 120 Moving area 121 Shelf plate 141 Timing belt 142 Pulley 143 Drive pulley 144 Arm 151 First Engaging member 152 Second engaging member 153 Bar-shaped portion 154 Flange portion 155 Tapered portion 161 Column member 162 Beam member

Claims (4)

A transport vehicle having a traveling vehicle that travels along a rail, a carriage that moves up and down in a state of being suspended by a suspension member with respect to the traveling vehicle, and a storage member on which a load is transferred between the carriage A transport system comprising:
Comprising first engaging members respectively disposed on both sides of the moving area of the lifting platform;
The storage member is
The first engagement member disposed on at least one side of the moving region is attached,
The lifting platform is
Two second engaging members that engage with the first engaging member in a direction along the traveling direction of the traveling vehicle and do not engage in the vertical direction;
The second engagement member is moved horizontally toward and away from both sides of the moving area with respect to the lifting platform, and a pulling force for pressing the second engagement member against the first engagement member is generated. A transport system comprising means. Either one of the first engagement member and the second engagement member includes a tapered portion in which the interval gradually increases along the traveling direction toward the other,
The transport system according to claim 1, wherein the other includes a bar-like portion extending in the vertical direction. The first engagement member and the second engagement member are provided on either one of the first engagement member and the second engagement member in the state where the other engagement member is engaged. The conveyance system according to claim 2, further comprising a flange portion that regulates at a predetermined position. The apparatus further comprises an attachment member disposed on the opposite side of the storage member with respect to the moving region, the first engagement member being attached at a predetermined position, and having a width narrower than that of the storage member in a load transfer direction. The conveyance system as described in any one of 1-3.

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