Mobile gate

Abstract

To make a gate movable more safely with the gate as a mobile gate having a simple and lightweight structure.SOLUTION: A mobile gate 1 for reading information from an object passing through the gate 1 is provided with rising bodies 2A respectively erected from a pedestal 2B and a pedestal 2B, and includes left and right rising parts 2 facing each other in a horizontal direction, and a connection bar 3 for connecting top parts of the left and right rising bodies 2A, and further includes one, two or more insertion holes 9 respectively formed in the left and right pedestals 2B and formed by a vertically extending recessed part or a through hole, and a holding assembly 5 including a body part 5A extending in a facing direction, and left and right insertion parts 5B respectively continuing to left and right ends of the body part 5A to be able to be detachably inserted into the insertion holes 9.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a technology relating to an RFID gate or other mobile gate that can read information from an object passing through the gate without contact. The present invention is a mobile gate used to manage the number of items shipped, for example, when shipping products equipped with RFID tags. The mobile gate can be removed and stored in a warehouse or the like once the identification process of contactlessly reading information from objects passing through the gate is complete. Storing the gate also prevents damage, unauthorized use, tampering, and the like when workers are not present. Furthermore, because the gate can be moved, it can be used for tasks that could not be performed with a gate before (such as picking). [Background technology]

[0002] The RFID gate has a structure as described in Patent Document 1, for example. The RFID gate described in Patent Document 1 has a structure in which a pipe is used as a framework, to which a radio wave absorbing plate is attached, forming an overall U-shape (portal shape). Casters are also provided at the bottom of the framework, making the gate movable. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2017-72995 Summary of the Invention [Problem to be solved by the invention]

[0004] The gate described in Patent Document 1 is configured to be movable at all times, but the gate has a large volume, and when it is put away after use, it takes up space and becomes an obstacle. Here, it is preferable to be able to flexibly change the size of the gate and the number of reader / writers, etc. to be installed depending on the busy / slow situation, etc. It is also preferable to be able to select the number of reader / writers, etc. to be installed and their output level, etc., depending on the installation location and radio wave conditions. Furthermore, because gates for managing incoming and outgoing shipments are often installed at berths where goods are loaded and unloaded, they get in the way of work when the gates are not in use, and so when there are no workers present, the gates must be stored in a warehouse, etc. Furthermore, when the gates are no longer needed during the off-season, it is preferable that they can be easily dismantled.

[0005] For this reason, a simple and lightweight mobile gate is preferable, but such a simple gate is prone to distortion due to the large external forces applied to it when it is moved, and there is a risk of the gate being damaged. The present invention has been made in view of the above points, and has as its object to make it possible to move a gate more safely even if the gate is a mobile gate with a simple and lightweight structure. [Means for solving the problem]

[0006] In order to solve the problem, one aspect of the present invention is a mobile gate that reads information from an object passing through the gate, each of which has a base and a rising body that rises from the base, left and right rising portions that face each other in the left-right direction, and a connecting bar that connects the upper parts of the left and right rising bodies, and further has a holder that has one or more insertion holes that are recesses or through holes extending vertically formed in the left and right base portions, a main body portion that extends in the opposing direction, and left and right insertion portions that are continuous with the left and right ends of the main body portion and can be removably inserted into the insertion holes. [Effects of the Invention]

[0007] According to this aspect of the present invention, the gate is used with the holder removed. Furthermore, according to this aspect of the present invention, when the gate is moved, such as when it is removed, the left and right bases are connected by a holder, thereby constraining the distance between the left and right bases to a constant value. Here, the lower the strength of the gate, the more distortion is applied to the gate when it is moved by holding the rising body, causing the distance between the lower parts of the left and right rising bodies to widen. In contrast, this aspect of the present invention prevents the distance between the lower parts of the left and right rising parts from widening as the gate is moved, which could result in damage to the gate. Therefore, even if the upper ends of the left and right rising bodies are connected by a lightweight member such as a connecting bar to reduce the gate's weight, the gate can be moved safely. Furthermore, according to the present invention, even if the left and right rising portion main body components are made of a simple and lightweight structure consisting of a base and a rising main body that rises from the base, the gate can be moved safely as described above. Furthermore, the lighter weight of the gate makes it easier to move and also makes it possible to reduce the area occupied by the gate. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a front view showing a mobile gate according to an embodiment of the present invention. [Figure 2] FIG. 2 is a top view illustrating the base body. [Figure 3] FIG. 10 is a perspective view illustrating an example of the configuration of a holder. [Figure 4] FIG. 10 is a perspective view illustrating an example of the configuration of a holder. [Figure 5] FIG. 10 is a perspective view illustrating an example of the configuration of a holder. [Figure 6] FIG. 10 is a perspective view illustrating an example of the configuration of a holder. DETAILED DESCRIPTION OF THE INVENTION

[0009] Next, an embodiment of the present invention will be described with reference to the drawings. In this embodiment, an RFID gate will be described as an example of a mobile gate that reads information from an object passing through the gate. In the following description, the mobile gate will also be simply referred to as a gate.

[0010] (composition) As shown in FIG. 1, the gate 1 of this embodiment has an overall gate-like shape, with rising portions 2 facing each other in the left-right direction and a connecting bar 3 connecting the upper portions of the left and right rising portions 2 together. Furthermore, a reader / writer 4 capable of reading information from the RFID is attached to the left and right rising portions 2 or the connecting bar 3, for example. In this embodiment, a holder 5 is also provided.

[0011] <Rising section 2> Each rising portion 2 includes a base 2B and a rising main body 2A rising from the base 2B.

[0012] <Pedestal 2B> The base 2B of this embodiment includes a plate-shaped base main body 2Ba and a rod body attachment portion 2Bb on the upper surface side of the center portion of the base main body 2Ba. The base body 2Ba is made of, for example, metal, and aluminum plate is particularly preferable from the viewpoint of lightweight design. The base body 2Ba has a thickness of, for example, 5 mm to 50 mm. The shape of the base 2B is, for example, a rectangle with a side length of 30 cm to 90 cm. The shape of the base body 2Ba may be circular or another shape.

[0013] Safety cushions may be attached to the four corners of the base body 2Ba. A plurality of casters 6 are provided on the underside of the base body 2Ba. At least two of the plurality of casters 6 are preferably swivel casters. Alternatively, six casters 6 may be provided, with the casters 6 near the center being fixed casters. Furthermore, one base body 2Ba may be provided with a floor stopper, which allows it to be securely locked during work.

[0014] FIG. 1 shows a state in which a fixed stand 7 is installed below the base body 2Ba, and the casters 6 are raised. In addition, in Figure 1, safety poles 8 are provided at the four corners of the base 2B to prevent tripping. The upper ends of the safety poles 8 are above waist height and below eye level. The safety poles 8 can be made of plastic. Figure 1 shows an example in which multiple safety poles 8 are arranged to surround the rising main body 2A.

[0015] The base body 2Ba of this embodiment is formed with one or more insertion holes 9. Each insertion hole 9 is a recess or through-hole that opens on the top surface of the base body 2Ba and extends vertically. The insertion hole 9 is a bottomed or through-hole opening into which the insertion portion of the holder 5 is inserted. The insertion hole 9 preferably has a circular opening shape in cross section. The hole size (diameter) of the insertion hole 9 is, for example, 10 mm or more and 50 mm or less.

[0016] The insertion hole 9 can be formed, for example, by drilling the plate of the base body 2Ba using a lathe. A sleeve may be fitted into the hole thus formed. The sleeve may be made of fluororesin, rubber, steel, or rolled material. The surface roughness Ra of the inner surface of the insertion hole 9 is, for example, 1.0 or more and 5.0 or less. The insertion hole 9 may be tapered, with the diameter decreasing downward. However, it is easier to machine the hole without a taper. On the other hand, if a taper is provided, the hole will be able to fix the holder 5 more stably. The taper ratio can be 1 / 20 or more and 1 / 10 or less.

[0017] When a plurality of insertion holes 9 are provided, the interval between the holes is, for example, 20 cm or more and 50 cm or less. The insertion hole 9 is positioned so as to be on the object passing side relative to the position of the rising main body 2A. It is preferable that at least two of the plurality of insertion holes 9 are formed side by side in the direction in which the object passes. It is also possible to provide a mechanism that releases the floor stopper when the holder 5 is inserted into the insertion hole 9.

[0018] <Rising body 2A> The rising body 2A in this embodiment is made of a rod such as a pole. Examples of poles include metal pipes made of iron or aluminum, plastic pipes, and aluminum angles. The rising body 2A may also be made of a plate material that is long in the vertical direction. The rising body 2A extends upward with its lower portion attached to the rod body attachment portion 2Bb of the base 2B.

[0019] <Connecting bar 3> The connecting bar 3 extends laterally in the direction in which the left and right rising bodies 2A face each other, and its ends are connected to the upper portions of the left and right rising bodies 2A, respectively. When the rising body 2A is plate-shaped, it is preferable that it has two or more connecting bars 3. The connecting bar 3 can be, for example, a metal pipe made of iron or aluminum, a plastic pipe, an aluminum angle, etc. The connecting bar 3 may also be made of a plate material that is long in the left-right direction.

[0020] <Reader / Writer 4> The rising main body 2A and the connecting bar 3 are provided with clamp members 10 for removably attaching the reader / writer 4, and the clamp members 10 fix the UHF RFID reader / writer 4 to the rising main body 2A and the connecting bar 3. Reference numeral 11 indicates a control panel for the reader / writer 4. There may be a plurality of control panels 11. The control panel 11 may be connected to the outside via a wired LAN or wireless LAN. Data may also be sent and received offline using an SD card or USB card. There may also be a signal tower (for example, PATLITE (registered trademark)).

[0021] The reader / writer 4 is preferably a directional one, since it is lightweight and can read data reliably. The reader / writer 4 may be a known one, and the specifications of the reader / writer 4 are shown below as examples. The output of the reader / writer 4 can be between 10 mW and 1 W. It can also be between 1 dBm and 30 dBm. The polarization can be linear or circular. The weight of the reader / writer 4 can be between 100 g and 1.5 kg. The interface can be RS232, USB, Wi-Fi, or Bluetooth. It can also be Category 5 or 6 Ethernet. The power supply can be DC 5, 9, or 12 V. The frequency band can be UHF, specifically between 860 MHz and 960 MHz. The protocol can be EPC global Class 1 Generation 2. The operating mode can be frequency hopping or fixed frequency.

[0022] <Holder 5> The holder 5 has a main body portion 5A and left and right insertion portions 5B. The main body portion 5A is a member extending in the opposing direction in which the left and right rising portions 2 face each other. The left and right insertion sections 5B are members that are continuous with the respective ends of the main body section 5A and can be detachably inserted into the insertion holes 9. The insertion sections 5B extend downward from the main body section 5A. The insertion sections 5B have the same cross-sectional shape as the end face shape of the insertion holes 9.

[0023] The holder 5 can be made by joining or welding steel, stainless steel, or plastic (such as vinyl chloride) pipes together. The holder 5 may also be assembled using aluminum die-cast and plastic joints. It may also be made of plastic plates. Furthermore, the holder 5 itself may be provided with casters 6, which will make it easier to prevent the holder 5 from tipping over when being moved. Here, an example of the holder 5 will be described, taking as an example a case where two insertion holes 9 are provided in each of the pedestals 2B along the object passing direction.

[0024] Examples of the holder 5 are shown in FIGS. 3 is an example in which two holders 5 are used, and the holders 5 are attached by inserting the left and right insertion portions 5B of each holder 5 into two pairs of insertion holes 9 that face each other in the left-right direction. In this case, it is preferable that the insertion holes 9 have an opening cross section that is rectangular or hexagonal rather than circular. By using an opening cross section that is hexagonal or the like, it is possible to suppress relative displacement of the base body 2Ba in the circumferential direction with respect to the insertion portions 5B.

[0025] The example shown in FIG. 4 also uses two holders 5, and the insertion portions 5B of each holder 5 are inserted into two pairs of insertion holes 9 that face each other in the left-right direction. However, this holder 5 has a protrusion 5a that abuts against the upper surface of the base main body 2Ba, thereby increasing the height of the main body 5A and making the holder 5 easier to handle. In this case, it is preferable that the insertion holes 9 have a rectangular or hexagonal opening cross section rather than a circular one. By using a hexagonal or other opening cross section, it is possible to prevent the base main body 2Ba from displacing relative to the insertion portions 5B in the circumferential direction.

[0026] 5 is an example using one holder 5, in which the main body 5A has an extension portion 5Aa at each end that extends in the object passing direction, and each end of the extension portion 5Aa is continuous with an insertion portion 5B. In this example, the holder 5 has two or more insertion portions 5B lined up in the object passing direction, each at each end of the main body 5A. In this structure, one holder 5 suppresses the displacement of the left and right rising portions 2 toward or away from each other in the opposing directions, and also suppresses twisting, such as rotational displacement, of one rising portion 2 relative to the other rising portion 2 in plan view. In other words, it is possible to more effectively suppress distortion of the gate 1 that occurs when the gate 1 moves.

[0027] In the example shown in FIG. 6, the main body 5A includes two members 5Ab extending in the opposing direction, and the two members 5Ab are connected by a beam member 5Ac to form the main body 5A. Each of the two members 5Ab is provided with an insertion portion 5B. In this example, the holder 5 has two or more insertion portions 5B arranged side by side in the object passage direction at each end of the main body 5A. Even with this structure, the holder 5 suppresses displacement of the left and right rising portions 2 in the opposing direction and also suppresses potential twisting, such as rotational displacement, of one rising portion 2 relative to the other rising portion 2 in a planar view. In other words, distortion of the gate 1 that occurs when the gate 1 moves can be more effectively suppressed.

[0028] In this example, a handle 5C for installation is provided in the center. The handle 5C may also be provided in other examples. However, it is preferable to provide the handle 5C in the center in the opposing direction to avoid interference with the safety pole 8. The holder 5 may have one end fixed to one base body 2Ba so as to be rotatable about an axis up and down, and may have an insertion portion 5B at only one end. Since the holder 5 is attached to the gate 1 itself, it is possible to prevent the holder 5 from being lost.

[0029] (Operation etc.) When using the gate 1 to identify passing objects, the holder 5 is removed. By removing the holder 5, objects can pass between the left and right rising portions 2. Furthermore, when the gate 1 needs to be moved, such as when it is removed, the holder 5 is attached between the left and right base bodies 2Ba as shown in FIG. 1, and the fixed stand 7 is removed, and the gate 1 is then moved. By connecting the left and right pedestals 2B with the holder 5, the distance between the left and right pedestals 2B is constrained to a constant value. Here, the lower the strength of the gate 1 in order to reduce weight, the more distortion is applied to the gate 1 when an attempt is made to move it by holding the rising main body 2A, causing the distance between the lower parts of the left and right rising main bodies 2A to widen. In contrast, in this embodiment, the distance between the lower parts of the left and right rising portions 2 widens as the gate 1 moves, preventing damage to the gate 1.

[0030] For this reason, the gate 1 can be moved safely even if the upper ends of the left and right rising bodies 2A are connected by a lightweight member such as the connecting bar 3 to reduce the weight of the gate 1. Furthermore, as described above, the gate 1 can be moved safely even if the members of the left and right rising bodies 2A have a simple and lightweight structure consisting of bases 2B and rising bodies 2A standing upright from the bases 2B. Furthermore, reducing the weight of gate 1 makes it easier to move gate 1 and also makes it possible to reduce the area occupied by gate 1 accordingly.

[0031] (others) The present disclosure may also have the following configuration. (1) A mobile gate that reads information from an object passing through the gate, Each of the uprights includes a base and a main body that rises from the base, and the uprights are opposite to each other in the left-right direction. a connecting bar connecting the upper portions of the left and right rising bodies to each other, Furthermore, One or more insertion holes each formed on the left and right base portions and each of which is a recess or a through hole extending vertically; a holder including a main body extending in the opposing direction, and left and right insertion portions respectively connected to left and right ends of the main body and removably insertable into the insertion holes; It has.

[0032] (2) Two or more of the insertion holes are formed in each of the base portions in a direction in which the object passes, The holder has two or more of the insertion portions arranged in the direction in which the object passes at each end of the main body. (3) The rising body and the connecting bar are made of rod bodies. (4) The gate is an RFID gate. [Explanation of symbols]

[0033] 1. Mobile gate 2 Rising section 2A rising body 2B pedestal 2Ba base body 2Bb rod body attachment part 3 Connecting bar 4 Reader / Writer 5 Holder 5A Main body 5B Insertion section 6 Casters 9 Insertion hole 11 Control Panel

Claims

1. A mobile gate that reads information from an object passing through the gate, Each of the uprights includes a base and a main body that rises from the base, and the uprights are opposite to each other in the left-right direction. a connecting bar connecting the upper portions of the left and right rising bodies to each other, Furthermore, One or more insertion holes each formed in the left and right bases and each being a recess or a through hole extending vertically; a holder including a main body extending in the opposing direction, and left and right insertion portions respectively connected to left and right ends of the main body and removably insertable into the insertion holes; A mobile gate characterized by having:

2. Two or more of the insertion holes are formed in each of the bases, aligned in a direction in which an object passes through the movable gate; The holder has two or more insertion portions at each end of the main body, the insertion portions being aligned in the direction of passage of an object passing through the mobile gate.

2. The mobile gate according to claim 1.

3. The rising body and the connecting bar are composed of rod bodies.

3. A mobile gate according to claim 1 or 2.

4. The gate is an RFID gate in which a reader / writer capable of reading information from an RFID is attached to the rising body and the connecting bar. A mobile gate according to any one of claims 1 to 3.

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