JP6637722B2 - Construction method and support structure of charging pole support - Google Patents

Description

  The present invention relates to a method and a support structure of a support column for a charging stand that supports a charging device when installing a charging device for charging a battery mounted on an electric vehicle or the like.

With the spread of vehicles such as electric vehicles and plug-in hybrid vehicles that can be driven by the driving force of an electric motor, there is a demand for a vehicle charging device that charges a battery mounted on the vehicle.
Such a vehicle charging device is installed in a garage (parking space) of a dwelling unit, and is fixedly installed on a wall surface of the garage, for example, or supported on a charging stand support standing upright on the ground of the garage. Has been done.

By the way, various types of support structures and construction methods used for erecting a support such as the support for the charging stand on a concrete foundation have been conventionally proposed (for example, see Patent Document 1).
As shown in FIG. 8, a handrail support structure 501 described in Patent Literature 1 is for joining a handrail support 514 provided on a handrail erected on a concrete foundation 610 to a concrete foundation 610. It is.

  The handrail support structure 501 is fixed to the concrete foundation 610 by fastening an anchor bolt 520 embedded in a concrete foundation 610 provided with a finishing layer 600 on the surface and a nut 521 with the anchor bolt 520 penetrating. A column base member 530 having a column support member 532 raised and raised, a tubular column main body 540 having a lower portion fixed to the column base member 530, and a handrail formed by the lower portion of the column main body 540 and the column base member 530. And a grout material 570 that is filled in the lower part of the support column and solidified integrally with the concrete foundation 610.

  Therefore, it is only necessary to embed the anchor bolts 520 in the concrete foundation 610, and the construction is easier than in the case where a dedicated anchor member is used. In addition, since the grout material 570 is filled in the lower part of the handrail support and solidified integrally with the concrete foundation 610, the column base member 530 is prevented from coming into contact with water to prevent rust and the handrail support 514. Wobbles and deflection can be suppressed, and high support strength can be obtained.

JP 2012-67514 A

By the way, when fixing the pillar main body 540 to the concrete foundation 610 by the above-mentioned conventional handrail pillar support structure 501, the anchor bolt 520 is buried in advance when the concrete foundation 610 is cast in the concrete foundation construction. After this concrete foundation work, after a curing period of several days waiting for concrete to set, a column base member 530 is fixed to the anchor bolt 520. Then, after fixing the column main body 540 to the column base member 530, the grout material 570 must be filled from the filling port 542 provided on the side surface of the column main body 540 and solidified.
Therefore, the construction method of the handrail support structure 501 requires an anchor bolt burying step, a support body installation step and a grout material filling step performed after a curing period of several days, and requires two days of construction work. Therefore, there is a problem that the construction cost increases.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to reduce the construction period and suppress the construction cost, prevent rainwater and the like from accumulating in the support pillars and corrode them, and provide a high support strength. An object of the present invention is to provide a charging stand support method and a support structure that can be obtained.

In order to achieve the above-mentioned object, a method for constructing a support for a charging stand according to the present invention is characterized by the following configuration (1).
(1) a tubular supports for the charging device to a construction method of the charging stand upright for standing on a concrete foundation, the steps of digging a buried hole in the installation position of the strut, through the power cable A step of inserting a PF pipe into the support, a step of filling a filler from a filling port in a lower portion of the support in a state of being vertically suspended with respect to a bottom surface of the buried hole, and after filling the filler, Backfilling the burial hole with concrete and placing the concrete foundation around the pillar filled with the filler.

According to the method for constructing the charging stand support of the above configuration (1), a concrete foundation is cast around the support without taking a curing period for solidifying the filler filled in the lower part of the support. Can be. Therefore, the step of filling the filler and the step of placing the concrete foundation can be performed on the same day, so that the construction period is shortened and the construction cost is reduced.
The pillars erected on the concrete foundation are prevented from accumulating and corroding rainwater etc. in the pillars by solidifying the filler filled in the lower part with the concrete foundation. Wobble and deflection are suppressed, and support strength is increased.

Further, in order to achieve the above-mentioned object, a support structure of a support for a charging stand according to the present invention is characterized by the following configurations (2) and (3).
(2) to support the charging device, the tubular struts PF tube Ru is inserted through the power cable to a supporting structure of the column for charging stand for standing on a concrete foundation, the lower the concrete foundation A buried support, a filling material filled in a lower portion of the support, and a filling provided on a lower side surface of the support and at least partially hidden by the concrete foundation cast around the support. A support structure for a charging stand column, comprising: a port; and a PF pipe inlet formed on a lower side surface of the column below the filling port .

  According to the charging stand support structure of the above configuration (2), even when the filling port for filling the lower portion of the support with the filler is opened greatly to enhance the workability of the filling, the concrete foundation can be used. Since at least a part is hidden by, the appearance of the column is not reduced. That is, in the conventional filling port, when the opening area is increased in order to enhance the workability of filling, the appearance of the support decreases, and when the opening area is reduced in order to improve the appearance of the support, the workability of filling decreases. .

(3) The filling port is formed so as to communicate with a filling portion for filling the filling material and above the filling portion, is exposed from the concrete foundation, and has a drainage area smaller than the filling portion. The support structure of the charging stand support according to the above (2), comprising:

  According to the charging stand support structure of the above configuration (3), the filling portion for filling the filler and the drainage portion for discharging the water in the support are integrally formed on the lower side surface of the support. Therefore, the processing cost can be reduced as compared with the case where the openings are separately formed. In addition, since the filling portion having a large opening area can be hidden by the concrete foundation and only the draining portion having a small opening area can be exposed, the appearance of the column is not impaired.

  ADVANTAGE OF THE INVENTION According to this invention, the construction method and support structure of the support | pillar for charging stands which can prevent rainwater etc. accumulating in a support | pillar and corrode and obtain high support strength, shortening a construction period and holding down construction cost Can be provided.

  The present invention has been briefly described above. Further, details of the present invention will be further clarified by reading through embodiments for carrying out the invention described below (hereinafter, referred to as “embodiments”) with reference to the accompanying drawings. .

It is a perspective view of the charging stand which supported the charging device with the support | pillar for charging stands which concerns on one Embodiment of this invention. It is sectional drawing which shows the support structure of the support | pillar for charging stands shown in FIG. FIG. 3 is an overall perspective view of a support column for a charging stand illustrated in FIG. 2. (A) and (b) are the rear view and right side view of the support | pillar for charging stands shown in FIG. FIG. 4A is an enlarged view of a main part of a support for a charging stand shown in FIG. 4A, and FIG. 4B is an enlarged view of a main part of a support for a charging stand shown in FIG. It is sectional drawing for demonstrating the construction method of the support | pillar for charging stands which concerns on one Embodiment of this invention. (A)-(c) is a principal part expanded sectional view for demonstrating the construction method of the support | pillar for charging stands shown in FIG. It is a perspective view which shows the conventional charging stand.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the charging stand 1 according to the present embodiment includes a charging stand support 11 erected on a concrete foundation 73 installed on a ground 75 for parking an electric vehicle, and a charging stand support 11. And a vehicle charging device (charging device) 21 mounted on the upper part. This charging stand 1 is for installing a vehicle charging device 21 in a garage (parking space) of a dwelling unit or the like.

  The vehicle charging device 21 has a device main body 23, a charging cable 43, and a charging connector 41. The vehicle charging device 21 is a charging device that charges a battery mounted on a vehicle such as an electric vehicle or a plug-in hybrid vehicle that can run with the driving force of an electric motor.

  The device main body 23 has a built-in charger, and has a monitor unit 29 on the front surface for displaying a charging state and the like. The charging cable 43 extends from a lower portion of the device main body 23, and the charging connector 41 is provided at a tip of the charging cable 43. The charging connector 41 is detachable from a connector provided in the vehicle. The charging cable 43 has a considerable margin so that the charging connector 41 can be connected to the vehicle connector even when the vehicle connector is arranged at a position far away from the vehicle charging device 21. Has a length. Therefore, the charging cable 43 is held by being wound around a hook 27 provided at a lower portion of the apparatus main body 23.

  The device main body 23 has a connector holding section 25, and the charging connector 41 is held by the connector holding section 25. When charging the battery of the vehicle, the charging connector 41 is detached from the connector holding portion 25 of the device main body 23 and connected to the connector of the vehicle. After the charging of the battery of the vehicle is completed, the charging connector 41 is detached from the connector of the vehicle and is held by the connector holding portion 25 of the device main body 23.

  In the vehicle charging device 21, power is supplied from the charger of the device main body 23 to the vehicle via the charging cable 43 in a state where the charging connector 41 is connected to the connector of the vehicle. Thereby, the battery of the vehicle is charged.

  As shown in FIGS. 2 to 4, the charging stand column 11 according to the present embodiment is attached to a tubular column 13, a mounting plate 15 fixed to an upper end of the column 13, and a lower end of the column 13. It is formed by assembling the fixing angle 19 and the fixing angle 19.

  The support column 13 is made of metal such as stainless steel, and is formed in a substantially square tubular shape having a rectangular cross section. A notch is formed in a pair of opposing upper edges of the support 13, and the mounting plate 15 is fixed at a predetermined position by engaging with a pair of notch grooves formed in the mounting plate 15.

  As shown in FIG. 4A, a filling portion 33 for filling the filler 81 and water in the column are provided on the lower side surface of the column 13 (the lower back surface of the charging stand column 11 in this embodiment). There is provided a filling port 37 integrally formed with a drainage section 35 for discharging water. As shown in FIG. 5A, the filling port 37 is formed so as to communicate with a circular filling part 33 for filling the filling material 81 and above the filling part 33, and has an opening area larger than that of the filling part 33. A small groove-shaped drainage portion 35. Further, below the filling port 37, a PF pipe inlet 31 for drawing the PF pipe 51 through the power cable into the column 13 is provided.

  In addition, as shown in FIG. 4B, the PF tube 51 inserted into the support 13 is pulled out from the upper side surface of the support 13 (the upper right surface of the support stand support 11 in this embodiment). PF tube outlet 39 is provided. Further, a ground screw hole 32 for connecting the ground wire 53 to the column 13 is provided below the PF pipe outlet 39.

  The mounting plate 15 is made of a metal plate such as stainless steel, and has a pair of cutout grooves which are engaged with the cutouts of the support column 13 at the lower end in the substantially elliptical longitudinal direction. A bracket 18 for fixing the vehicle charging device 21 is welded to the front surface of the mounting plate 15. Further, the mounting plate 15 is provided with a cap 17 that covers the upper part of the vehicle charging device 21 and blocks sunlight and protects from rain. As the cap 17, a metal plate that reflects radiant heat, such as an aluminum plate, can be used, or a metal plate coated with a heat shielding paint can be used.

  As shown in FIGS. 3 and 5, one piece of the fixing angle 19 is welded to each side surface at the lower end of the column 13. The other piece of each fixing angle 19 is provided with an anchor bolt mounting hole 19a.

Next, a support structure of the support column 11 for the charging stand according to the present embodiment will be described.
As shown in FIGS. 1 and 2, the column 13 of the charging stand column 11 is erected in a substantially central portion of a rectangular concrete foundation 73 in a plan view with a lower portion buried. At the lower end of the support 13, a fixing angle 19 is fixed to an anchor bolt 61 erected from a split stone 71.

A filler 81 is filled in the lower part of the column 13 buried in the concrete foundation 73. The filling port 37 formed on the lower side surface of the column 13 hides the filling section 33 which is a part of the filling port 37 by the concrete foundation 73 cast around the column 13, and is located above the filling section 33. The drainage portion 35 formed in communication is exposed from the concrete foundation 73.
In the present embodiment, the filling portion 33 and the water draining portion 35 are formed as the filling port 37 integrally formed. However, the filling port of the present invention is not limited to this, and discharges water in the column 13. A drain hole for water may be separately formed.

  According to the support structure of the charging stand support 11 according to the present embodiment described above, the filling portion 33 of the filling port 37 for filling the lower portion of the support 13 with the filler 81 is large in order to enhance the workability of filling. Even when it is opened, the filling portion 33 is hidden by the concrete foundation 73 and only the drainage portion 35 is exposed, so that the appearance of the column 13 does not deteriorate. That is, in the conventional filling port 542 as shown in FIG. 8, if the opening area is increased to enhance the workability of filling, the appearance of the support body 540 (the support) is reduced, and the appearance of the support body 540 is improved. If the opening area is too small, the workability of filling is reduced.

  Furthermore, according to the support structure of the support 11 for the charging stand of the present embodiment, as shown in FIG. 5A, the filling portion 33 for filling the filler 81 and the water in the support 13 are discharged. And the draining portion 35 can be integrally formed on the lower side surface of the column 13, so that the processing cost can be reduced as compared with the case where the openings are separately formed. In addition, since the filling portion 33 having a large opening area can be hidden by the concrete foundation 73 and only the draining portion 35 having a small opening area can be exposed, the appearance of the column 13 is not impaired.

Next, a method for constructing the support pole for a charging stand according to the present embodiment will be described.
(Process of digging a buried hole)
First, as shown in FIG. 6, a buried hole 70 is dug in the ground 75 where the electric vehicle is parked, where the support column 13 is installed. Then, a split stone 71 is laid at the bottom of the buried hole 70.

  Next, the support 13 is aligned with the installation position, and fixed so that the support 13 is perpendicular to the bottom surface of the buried hole 70. At this time, the drainage portion 35 of the filling port 37 is located above the upper surface 74 of the cast concrete foundation 73 so as to be exposed. In the present embodiment, the concrete and the anchor bolt 61 are cast on the split stone 71, and after passing the anchor bolt 61 through the anchor bolt mounting hole 19a of the fixing angle 19 fixed to the lower end of the support 13, the anchor By fastening the nut 64 to the bolt 61, the column 13 is fixed vertically to the bottom surface of the buried hole 70. The construction method of the present invention is not limited to this. The support 13 is extended by a support member extending from a frame provided around the buried hole 70 so that the support 13 is perpendicular to the bottom surface of the buried hole 70. It may be supported until the placing of the concrete foundation 73 is completed.

Then, the ground rod 55 to which one end of the ground wire 53 is attached is driven into the ground 75, and the other end of the ground wire 53 is screwed to the ground screw hole 32.
The PF pipe 51 through which the power cable is passed is piped along a pipe groove 72 communicating with the buried hole 70, and a distal end 51 a is inserted into the support 13 from the PF pipe intake 31, and the PF pipe on the upper side surface of the support 13 is It is pulled out from the pipe outlet 39. The distal end portion 51 a pulled out from the PF pipe outlet 39 is connected to the device main body 23 of the vehicle charging device 21.

(Process of filling filler)
Next, as shown in FIGS. 7A and 7B, the filling material 81 is filled into the lower part of the column 13 in the vertically installed state from the filling port 37. At this time, the filling material 81 is filled up to the line L below the hole of the filling portion 33 in the filling port 37 as shown in FIG.
The filler 81 in the present embodiment uses concrete for placing the concrete foundation 73 so that the material cost can be reduced and the filling work of the filler 81 and the placement of the concrete foundation 73 can be performed continuously. I have to. Of course, a grout material such as mortar or cement paste can also be used as the filler of the present invention.

(Process of placing concrete foundation)
Next, the embedding hole 70 is backfilled with concrete, and a concrete foundation 73 is cast around the column 13 filled with the filler 81. As shown in FIG. 2, the concrete foundation 73 has the upper surface 74 higher than the ground line G of the ground 75. At this time, as shown in FIG. 5A, the upper surface 74 is set lower than the upper end of the drainage portion 35 at the filling port 37, so that the drainage portion 35 is not blocked.
Thereafter, a necessary curing period is secured so that the concrete foundation 73 has sufficient strength.

  According to the charging stand support method according to the present embodiment described above, the concrete foundation 73 is provided around the support 13 without taking a curing period for solidifying the filler 81 filled in the lower portion of the support 13. Can be cast. Therefore, the step of filling the filler 81 and the step of placing the concrete foundation 73 can be performed on the same day, so that the construction period is shortened and the construction cost is reduced.

  The pillars 13 erected on the concrete foundation 73 are prevented from accumulating and corroding rainwater and the like in the pillars 13 by solidifying the filler 81 filled in the lower part integrally with the concrete foundation 73. In addition, the wobbling and bending of the support 13 are suppressed, and the support strength is increased.

  Therefore, according to the construction method and support structure of the charging stand column 11 of the present embodiment, it is possible to prevent rainwater and the like from accumulating and corroding in the column 13 and to provide a high support while shortening the construction period and reducing the construction cost. It is possible to obtain the charging stand column 11 having strength.

  It should be noted that the present invention is not limited to the above-described embodiment, and can be appropriately modified and improved. In addition, the material, shape, size, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  For example, the pillar 11 for a charging stand according to the above-described embodiment uses the pillar 13 formed in a substantially square tubular shape. However, various tubular shaped pillars such as a substantially rectangular shape and a substantially circular shape can be used. .

Here, the features of the embodiment of the charging stand support method and the support structure according to the present invention described above will be briefly summarized and listed below.
[1] A method for constructing a charging stand support (11) for erecting a tubular support (13) for supporting a charging device (vehicle charging device 21) on a concrete foundation (73), comprising: A step of digging a buried hole (70) at an installation position, a step of filling a filler (81) from a filling port (37) into a lower portion of the column suspended from the bottom surface of the buried hole, Backfilling the buried hole with concrete and placing the concrete foundation 73 around the support pillar filled with the filler.
[2] A supporting structure for a charging stand support (11) for erecting a tubular support (13) for supporting a charging device (a vehicle charging device 21) on a concrete base (73), wherein the concrete base is provided. At least one of the pillars having a lower part embedded therein, a filler (81) filled in the lower part of the pillar, and the concrete foundation provided on a lower side surface of the pillar and cast around the pillar. And a charging port (37) in which a portion is hidden.
[3] The filling port is formed so as to communicate with a filling part (33) for filling the filling material and above the filling part, is exposed from the concrete foundation, and has an opening area from the filling part. The support structure for a support for a charging stand according to the above [2], comprising a small drain portion (35).

DESCRIPTION OF SYMBOLS 1 Charging stand 11 Charging stand support 13 Support 21 Vehicle charging device (charging device)
33 Filling part 35 Drainage part 37 Filling port 73 Concrete foundation 81 Filling material

Claims (3)

A method of constructing a charging stand column for erecting a tubular column supporting a charging device on a concrete foundation,
Digging a buried hole at the installation position of the column,
Inserting a PF tube through a power cable into the support,
A step of filling a filler from a filling port into a lower portion of the column suspended from the bottom of the buried hole,
After filling the filler, filling the buried hole with concrete, and placing the concrete foundation around the column filled with the filler,
A method for constructing a support pole for a charging stand, comprising: Supporting the charging device, the tubular struts PF tube Ru is inserted through the power cable to a supporting structure of the column for charging stand for standing on a concrete foundation,
Said pillars with a lower part buried in said concrete foundation,
A filler filled in the lower portion of the support,
A filling port that is provided on the lower side surface of the column and is at least partially hidden by the concrete foundation that is cast around the column,
A PF pipe inlet formed on a lower side surface of the column below the filling port;
A support structure for a support pole for a charging stand, comprising: The filling port is
A filling unit for filling the filler,
A drain portion formed in communication with the upper portion of the filling portion and exposed from the concrete foundation, and having a smaller opening area than the filling portion;
The support structure for a support pole for a charging stand according to claim 2, comprising:

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