Removable tarp

Abstract

To provide a detachable tarp capable of easily forming a working space capable of stably shielding sunlight, wind and rain adjacently to an electric facility by a simple constitution.SOLUTION: The removable tarp 20 includes a substantially rectangular sheet 21, a pair of pole-like support members 30 for supporting both side edges of the sheet, an upper-side pole insertion port 40 fixed to an upper portion of a wall surface of a housing of an electric facility facing a work space or a roof covering the housing so as to form the work space adjacent to the housing, and a ground-side pole insertion port 50 provided on a ground side located on a side opposite to the housing with respect to the work space. The other end of the pole-like support member 30 is detachably inserted into a ground side pole insertion port 50.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a detachable tarp that can be detachably attached to create a work space adjacent to electrical facilities such as switchgear that is shaded from sunlight, wind, and rain. [Background technology]

[0002] Switchgear for outdoor installation has a door on the front of the housing for inspecting the internal equipment. In such electrical facilities, although a protruding eave is provided on the top of the housing, it is not large enough to provide sufficient protection from sunlight, wind, and rain. For this reason, in order to secure a work space in front of the housing that is protected from sunlight, wind, and rain, a vinyl sheet has conventionally been secured by hooking the upper corners of the sheet onto hooks attached to the top of the housing, and by securing the lower end of the sheet with a rope to an outer fence or a stake driven into the ground.

[0003] Also, there is a rainproof device (see Patent Document 1) that includes a canopy whose end is fixed above the door, a cover sheet that is hung from the canopy and covers the door, and a fastener that divides the cover sheet, and that reliably prevents rainwater from entering through a door installed in electrical equipment. A tent (see Patent Document 2) has also been proposed which has a sheet that covers a specified area of ​​the equipment's work area, first and second telescopic support members that support both sides of the sheet and are stretchable and flexible, the first and second support members consisting of poles or the like to which one end of each telescopic support member is attached, and a storage box that has arms to which the other end of each telescopic support member is fixed and is installed on the ground so that the arms can be stored in it. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2013-143811 [Patent Document 2] Patent No. 4901690 Summary of the Invention [Problem to be solved by the invention]

[0005] However, although covering the front surface of the housing with a vinyl sheet is a simple method, it takes a lot of time and effort to attach and remove the vinyl sheet. Furthermore, according to the rainproof device in Patent Document 1, the cover sheet that is hung from the eaves and covers the door can be divided with fasteners, but because there is no support, there is a high possibility that the sheet will move significantly due to wind and rain. As a result, it is not possible to secure a stable work space that can protect from sunlight, wind and rain. In contrast, the work aid in Patent Document 2 can maintain the shape of the seat in a convex shape using an extendable support member, and the framework that supports the seat can be easily assembled, but it requires support rods, extendable support members, a storage box with arms, etc., making it a large-scale device.

[0006] The present invention was made in consideration of the above circumstances, and its main objective is to provide a detachable tarp that can stably create a work space that can be shaded from sunlight, wind, and rain, and that can easily create such a work space adjacent to electrical facilities with a simple configuration. [Means for solving the problem]

[0007] In order to achieve the above object, the detachable tarp according to the present invention comprises: A substantially rectangular sheet; A pair of pole-shaped support members that support both side edges of the sheet, respectively; an upper pole insertion port, which is fixed to an upper wall of the housing facing the work space or to a roof covering the housing to form a work space adjacent to the housing of the electrical facility, and into which one end of the pole-shaped support member is detachably inserted; a ground-side pole insertion port provided on the ground side located on the opposite side of the working space from the housing, into which the other end of the pole-shaped support member is detachably inserted; The present invention is characterized by the following:

[0008] Therefore, by inserting one end of each pole-shaped support member supporting both side edges of the sheet into an upper pole insertion port fixed to the upper part of the wall of the housing facing the work space or to the roof covering the housing, and inserting the other end of the pole-shaped support member into a ground pole insertion port provided on the ground side located on the opposite side of the housing from the work space, the sheet is stretched along the pole-shaped support members stretched between the upper pole insertion port and the ground pole insertion port, and it is possible to form a work space below the sheet that is shaded from sunlight, wind and rain. In this case, by adjusting the opening direction of the upper pole insertion port and the ground pole insertion port, it is possible to stretch the sheet in a half dome shape from the top of the housing to the ground.

[0009] Each socket may be provided with a mechanism for preventing the inserted pole-shaped support member from coming out. The mechanism may be configured to fix the pole-shaped support member to the socket by adjusting the amount of engagement of a butterfly bolt that is screwed into the socket from the side. Each socket may also be provided with an angle adjustment mechanism that allows the mounting angle of the pole-shaped support member to be adjusted.

[0010] The pair of pole-shaped support members may be connected via a connecting pole that supports the approximate center of the seat. By providing such a connecting pole, the connecting pole can support the center of the seat and the pair of pole-shaped support members, ensuring the strength of the seat and the pole-shaped support members.

[0011] The pole-shaped support members may support the side edges of the sheet with string, wire, tape, etc., but may also support the sheet through a first sewn part provided along the side edges of the sheet. Similarly, the connecting poles may support the sheet through a second sewn part provided approximately perpendicular to the first sewn part at approximately the center of the sheet. When the seat is supported by passing pole-shaped support members or connecting poles through these hollow seams, the pole-shaped support members or connecting poles can be easily attached to the seat, and there is no variation in the support structure.

[0012] The work space covered by the sheet described above is a space with the top covered by the sheet and both sides open, but the open parts of the work space can be closed by side sheets. Such side sheets are preferably fixed to the pole-shaped support member and the housing. By providing such side sheets, it is possible to reduce the intrusion of wind and rain from the sides into the work space formed below the sheets.

[0013] In addition, when the electrical facility is constructed by arranging multiple boxes side by side, and the work space is formed adjacent to the housings of the multiple boxes, the above sheet can be formed to match the total width of the multiple boxes, or multiple sheets corresponding to the width of each box can be prepared and adjacent sheets can be arranged side by side without any gaps. [Effects of the Invention]

[0014] As described above, the detachable tarp of the present invention comprises a substantially rectangular sheet, a pair of pole-shaped support members that support both side edges of the sheet, an upper pole insertion port fixed to the upper wall of the electrical facility enclosure or to the roof covering the enclosure, into which one end of the pole-shaped support member is detachably inserted, and a ground-side pole insertion port into which the other end of the pole-shaped support member is detachably inserted.This makes it possible to stably form a work space that is shaded from sunlight, wind, and rain, and also makes it possible to easily form such a work space adjacent to electrical facility with a simple configuration. [Brief explanation of the drawings]

[0015] [Figure 1] FIG. 10 is a perspective view showing a state in which a detachable tarp is attached to the front of the switchgear. [Figure 2] FIG. 2 is a side view of the switchgear in the mounted state shown in FIG. 1, seen from the side thereof. [Figure 3]These are diagrams showing the structure of the sheet used in the detachable tarp, where (a) is a view from the back of the sheet with pole-shaped support members and connecting poles attached to it, (b) is a cross-sectional view taken along line IIIB-IIIB in (a), and (c) is a cross-sectional view taken along line IIIC-IIIC in (a). [Figure 4] FIG. 10 is a diagram showing the pole-shaped support member in a state where it is folded in half. [Figure 5] 1A and 1B are diagrams showing a connecting pole, in which (a) is a front view thereof and (b) is a side view showing a state in which (a) is rotated 90 degrees around the axis. [Figure 6] 10 is a perspective view showing the state in which the upper pole insertion port is fixed under the eaves of the roof attached to the top of the housing. FIG. [Figure 7] These are perspective views showing ground-side pole sockets. (a) is an example where the ground-side pole socket is made of a tubular member with openings on both ends and is fixed to the side of the foundation on which the electrical facility will be installed. (b) is an example where the ground-side pole socket is made of a tubular member with a pointed tip at the bottom and is fixed by being driven into the ground. (c) is an example where the ground-side pole socket is made of a tubular member with a ground installation block attached to the bottom and is fixed by placing this block on the ground. [Figure 8] These figures show the process of attaching the side sheet, where (a) shows the state before the magnets on the vertical edges of the side sheet are magnetically attached to the housing and the hook-and-loop fasteners on the curved edges of the side sheet are attached to the pole-shaped support member, and (b) shows the state after the hook-and-loop fasteners on the curved edges have been attached to the pole-shaped support member from the state shown in (a). BEST MODE FOR CARRYING OUT THE INVENTION

[0016] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 and 2 show a switchgear 1 for outdoor installation. This switchgear 1 is a metal enclosed type configured by arranging a plurality of boxes 11 to 14 in parallel to house electrical equipment such as circuit breakers, and in this example, a four-sided panel configuration is shown.

[0017] Each of the boxes 11 to 14 includes a housing 11a to 14a for storing electrical equipment, a roof 11b to 14b covering the top of the housing 11a to 14a, an openable / closable door 11c to 14c attached to the housing 11a to 14a on the front side of the box 11 to 14, and an openable / closable door attached to the housing on the back side of the box 11 to 14 (not shown: only door 13d of box 13 is shown in Figure 2).

[0018] The roofs 11b to 14b covering the tops of the respective boxes 11 to 14 are provided for each box and are configured as eave roofs formed to have dimensions greater than the depths of the housings 11a to 14a. The widths of the roofs 11b to 14b are formed to be approximately equal to the widths of the housings. Therefore, the roofs 11b to 14b of each box 11 to 14 are formed with eave projections that extend further forward and rearward from the front and rear of the box (when the front and rear walls (doors) of the box are used as references, on the front side, eave projections 11b-1, 12b-1, 13b-1, 14b-1 extend forward from the front wall (door), and on the rear side, eave projections 11b-2, 12b-2, 13b-2, 14b-2 extend rearward from the rear wall (door). A waterproof cover 15 is fixed to each of the roofs 11b to 14b of the boxes 11 to 14, covering the boundary between the roofs of adjacent boxes and the side edges of the roofs. The doors 11c to 14c and 13d provided on the front and rear surfaces of the boxes 11 to 14 are, for example, single-wing doors that can be opened and closed via hinges (not shown).

[0019] The detachable tarp 20 of the present invention is arranged to extend from the box body 13 to the front and rear sides to form a work space S adjacent to the front and rear sides of the housing 13a of the box body 13 where work is to be performed. In this example, an example in which a tarp is placed on the front side of one box 13 will be described.

[0020] As shown in Figure 3, this tarp 20 comprises a sheet 21, a pair of pole-shaped support members 30 that support both side edges of the sheet 21, a pair of upper pole insertion ports 40 that are fixed to the underside of the eaves 13b-1 of the roof 13b facing the work space of the box body 13 and into which one end of the pole-shaped support members 30 is removably inserted, and a ground-side pole insertion port 50 that is provided on the ground side located on the opposite side of the work space S from the box body 13 (housing 13a) and into which the other end of the pole-shaped support member 30 is removably inserted.

[0021] The sheet 21 is formed in a substantially rectangular shape from a light-blocking, weather-resistant, flame-retardant, waterproof, and durable material, and has first longitudinally extending hollow seams 22, 23 formed along both longitudinal edges. The first hollow seams 22, 23 may be provided continuously over the entire longitudinal length of the sheet, but in this example, they are provided as separate sections at intervals in the center of each side edge. In addition, a second hollow stitched portion 24 extending in the short direction of the sheet 21 is provided in approximately the central portion of the sheet 21, i.e., in the area connecting the pair of first hollow stitched portions 22, 23 on the longitudinally extending side edges.

[0022] The pole-shaped support member 30 inserted into the first hollow stitched portions 22, 23 has a length (for example, about 3 m) sufficient to allow it to be curved and laid from under the eaves of the housing of the switchgear 1 to the ground, and as shown in Fig. 4, is composed of a pair of rod-shaped members 31, 32 and a rope (shock cord) 33 connecting them. The rod-shaped members 31, 32 are formed with a diameter smaller than the inner diameter of the hollow stitched portions 22, 23 formed in the sheet 21, and are made of flexible resin, metal, wood, or the like. The rod-shaped members 31, 32 connected by the rope (shock cord) 33 have ends where the rope is connected that can be inserted into the inside of a locking member 34 that locks the connecting pole 25, which will be described later.

[0023] Therefore, the pole-shaped support member 30 can be folded in half at the rope 33, making it easy to carry and assemble to the seat. In addition, when the pole-shaped support member 30 is inserted through the pair of first sewn portions 22, 23 formed in the longitudinal direction on the side edges, the engaging member 34 can be positioned between the pair of first sewn portions 22, 23.

[0024] A connecting pole 25 is attached to the intermediate portion of the pole-shaped support member 30 attached to each side of the sheet 21, i.e., to the engaging member 34 exposed in the divided portion between the pair of hollow stitched portions 22, 23. As shown in Figure 5, the connecting pole 25 is composed of a fixed-length rod-shaped member 26 and hook portions 27 fixed to both ends thereof, and is inserted into the second hollow stitched portion 24 located approximately in the center of the sheet 21 to support the middle portion of the sheet 21.In addition, the hook portions 27 at both ends are engaged with the engaging members 34 of each pole-shaped support member 30 to support the pole-shaped support members 30 located on both side edges of the sheet 21 so as not to shift position.

[0025] 6, the upper pole insertion port 40 includes a cylindrical member 41 having an inner diameter large enough to insert one end (rod-shaped member 32) of the pole-shaped support member 30, and this cylindrical member 41 may be fixed directly to the underside of the eaves 13b-1 of the roof 13b by welding or the like, or by fixing a mounting bracket (not shown) to which the cylindrical member 41 is previously fixed to the underside of the eaves 13b-1 by welding, screws, etc. Also, a magnet may be fixed to the cylindrical member 41 or the mounting bracket, and then magnetically attached to the underside of the eaves. Also, the cylindrical member 41 may be fixed under the eaves via a hinge or the like so that the mounting angle of the cylindrical member 41 can be adjusted.

[0026] Furthermore, the upper pole insertion port 40 may be provided with a fall-out prevention mechanism 43 near the insertion end of the tubular member 41 to prevent the rod-shaped member 32 of the inserted pole-shaped support member 30 from falling out. This fall-out prevention mechanism 43 may be configured, for example, by a butterfly bolt 44 attached to the side of the tubular member 41 to adjust the amount of protrusion into the interior, and the rod-shaped member 32 inserted into the tubular member 41 may be pressed and fixed to the inner wall of the tubular member 41 by the butterfly bolt 44.

[0027] 7(a), the ground-side pole insertion port 50 is configured by fixing a tubular member 51, which is open at both ends, to the side of a concrete foundation 52 on which the switchgear 1 is to be installed, with a saddle 53. This tubular member 51 may also be provided with a drop-out prevention mechanism 56 that prevents the inserted pole-shaped support member 30 from coming out. This drop-out prevention mechanism 56 may also be configured by a butterfly bolt 57 that is attached to the side of the tubular member 51 and makes it possible to adjust the amount of protrusion into the interior, and the rod-shaped member 31 inserted into the tubular member 51 may be pressed and fixed to the inner wall of the tubular member 51 by the butterfly bolt 57.

[0028] The ground-side pole insertion port 50 may have other configurations. For example, as shown in Fig. 7(b), a cylindrical member 54 having a pointed end closed at the other end is used, and the cylindrical member 54 is fixed by driving the pointed end 54a into the ground. Alternatively, as shown in Fig. 7(c), a heavy block 58 hardened to a predetermined size may be fixed to the lower end of a cylindrical member 55 into which the rod-shaped member 31 of the pole-shaped support member 30 can be inserted, and the block 58 may be placed on the ground to fix the pole. These ground-side pole insertion ports 50 may also be provided with a drop-out prevention mechanism 56 similar to that shown in Fig. 7(a).

[0029] In the above configuration, when installing the tarp 20 to form a work space S adjacent to the front of the box body 13 (housing 13a), the upper pole insertion port 40 is fixed in advance to the underside of the eaves of the box body 13 by welding or the like, and the ground side pole insertion port 50 is fixed to the ground or a concrete foundation. In addition, a pole-shaped support member 30 is inserted through the sewn portions 22, 23 of the sheet 21, and a connecting pole 25 is inserted through the sewn portion 24, with the hook portion 27 of the connecting pole 25 being engaged with the engaging device 34 provided in the middle portion of the pole-shaped support member 30 on both side edges.

[0030] Then, one end (rod-shaped member 32) of the pole-shaped support member 30 attached to the sheet 21 is inserted into the upper pole insertion port 40 fixed under the eaves, and this inserted state is fixed with a butterfly bolt 44. After that, while adjusting the shapes of the pole-shaped support member 30 and the sheet 21, the lower end (rod-shaped member 31) of the pole-shaped support member 30 is inserted into the ground-side pole insertion port 50 (cylindrical member 51), and this inserted state is fixed with a butterfly bolt 57.

[0031] As a result, the half-dome shaped tarp 20 is removably attached to the front side of the box body 13 by the sheet 21 supported by the pole-shaped support members 30 and the connecting poles 25. If a work space is to be formed on the back side of the box body 13 as well, the tarp can be attached in the same manner as on the front side.

[0032] The working space S (space formed below the sheet 21) covered by the sheet 21 has both sides open, and therefore may be closed by a side sheet 60 as shown in FIG. 8, if necessary. This side sheet 60 is formed in a shape that matches the cross-sectional shape of the workspace S formed by the attached tarp. That is, the side sheet 60 is formed in a quarter ellipse shape that includes a curved edge 60a that follows the attached pole-shaped support member 30 that curves from the upper pole insertion port 40 to the ground pole insertion port 50, a vertical edge 60b that extends approximately vertically along the front of the box body 13, and a horizontal edge that extends approximately horizontally along the base 52.

[0033] A plurality of hook-and-loop fasteners 61 are attached to the curved edge portion 60a at predetermined intervals, and the hook-and-loop fasteners 61 are turned around the pole-shaped support member 30 to fix the curved edge portion 60a to the pole-shaped support member 30. A plurality of sheet-like magnets 62 are provided at intervals on the vertical edge portion 60b, and the sheet-like magnets 62 are magnetically attached to the box body 13 (housing 13a), thereby fixing the vertical edge portion 60b to the box body 13 (housing 13a).

[0034] Furthermore, the side sheets 60 are provided with fasteners 63 that, after attachment, enable the formation of openings large enough for people to enter and exit. The open portions on both sides of the work space S formed by the sheet 21 become closed spaces that people cannot enter or exit by attaching the side sheets 60, but it is possible to enter or exit the closed spaces by opening and closing the fasteners 63 provided on the side sheets 60.

[0035] In the above configuration, a tarp structure for securing adjacent work space S the width of one box body 13 on the front side of that box body of the switchgear 1 has been described, but when forming a tarp across multiple boxes to form adjacent work spaces for multiple boxes, multiple sheets 21 described above can be placed side by side, or a wide sheet can be used and assembled in the same manner. When placing multiple sheets 21 side by side, it is advisable to attach adjacent sheets 21 so that they overlap each other to prevent rainwater from entering between the sheets.

[0036] In the above embodiment, an example is shown in which the upper pole insertion port 40 is fixed to the underside of the eaves (roof covering the housing) facing the work space S formed adjacent to the housing of the electrical facility (switchgear), but the upper pole insertion port 40 may also be fixed to the upper part of the wall of the housing facing the work space S, for example, to a part of the housing wall located above the door so as not to interfere with the door when it opens or closes. Furthermore, in the above embodiment, switchgear was used as an example of electrical equipment, but this detachable tarp can also be applied to cases where a workspace is formed adjacent to the housing of electrical equipment other than switchgear.

Claims

1. A substantially rectangular sheet; A pair of pole-shaped support members that support both side edges of the sheet, respectively; an upper pole insertion port, which is fixed to an upper wall of the housing facing the work space or to a roof covering the housing to form a work space adjacent to the housing of the electrical facility, and into which one end of the pole-shaped support member is detachably inserted; a ground-side pole insertion port provided on the ground side located on the opposite side of the working space from the housing, into which the other end of the pole-shaped support member is detachably inserted; A detachable tarp characterized by comprising:

2. 2. The detachable tarp according to claim 1, wherein each insertion opening is provided with a mechanism for preventing the inserted pole-shaped support member from coming out.

3. 2. The detachable tarp according to claim 1, wherein the pair of pole-shaped support members are connected via a connecting pole that supports the approximate center of the sheet.

4. the pole-shaped support member supports the sheet through a first hollow seam provided along a side edge of the sheet, The connecting pole supports the seat through a second hollow seam provided at approximately the center of the seat in a direction approximately perpendicular to the first hollow seam. The detachable tarp according to claim 3.

5. The detachable tarp described in claim 1, characterized in that the work space is formed as a space covered from above by the sheet and open on both sides, the open portion of the work space can be closed by side sheets, and the side sheets are fixed to the pole-shaped support member and the housing.

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