JP2003077332A - Lamp post with elevating stand, stand elevation method, and winch transporting carrier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stand elevation method for a lamp post with elevating stand which contributes to the equipment cost reduction while making the operation easy. SOLUTION: When the stand 3 of the lamp post A is elevated to the upper limit position, the stand is fixed by a locking device 19, and the other end of a stand side elevating wire 48 of which, one end is connected to the stand, and the other end is hung down inside the lamp post to the lower end part through fixed pulleys 15, is fastened to the inner surface of the lamp post. When pulling down the stand for the maintenance of the lamp post, firstly, a winch 5 is brought inside or near to the outside of the lamp post, and one end of a winch side elevation wire 49, wound to the winch, is jointed to the other end of the stand side elevation wire released from the state of being fastened to the inner surface of the lamp post, and the stand is pulled down by drawing out the winch side elevation wire from the winch after releasing the stand from locking device dependent fixed state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting column with an elevating pedestal installed to illuminate a wide area such as an airport apron or a parking lot, a method for elevating the pedestal, and a winch directly used for implementing the method. The present invention relates to a carrier for transportation.

[0002]

2. Description of the Related Art Heretofore, as an illumination column with a lifting mount of this type, as disclosed in, for example, Japanese Patent Application Laid-Open No. 10-64327, an illumination column body installed upright on the ground, and this illumination column body. A pedestal that is arranged so that it can be raised and lowered freely on the outer periphery of the illuminating fixture, and an elevating device that raises and lowers this pedestal along the illumination column body, and normally the platform is raised to the upper limit position of the illumination column body, It is known that the gantry is lowered during maintenance. There are various types of lifting devices, and there are various ways to distinguish them,
It can also be distinguished by the presence or absence of balance weights.

With the balance weight, as disclosed in the above-mentioned publication, one end of a lifting wire hung on a fixed pulley provided at the upper end of the illumination column main body is connected to a mount, and the other end is illuminated. The balance weight is hung inside the column body and connected to the balance weight directly or via a moving pulley, and a drive device such as a motor is installed inside the illumination column body, and this drive device illuminates the balance weight via a chain or the like. By moving up and down in the pillar main body, a pedestal that balances in weight with this balance weight is moved up and down.

In addition, in the case where there is no balance weight,
One end of the lifting wire hung on the fixed pulley provided at the upper end of the lighting column body is connected to the gantry, the other end is hung inside the lighting column body and connected to the winch installed inside the lighting column body, The winch winds or feeds the lifting wire to raise and lower the mount.

[0005]

However, among the above-described conventional illumination columns having a balance weight, the structure of the lifting device is complicated, and the balance weight and the lifting column are installed in the illumination column body in a relatively narrow space. Since many wires, chains, and the like are operably arranged, there is a problem that a failure is likely to occur and repair is troublesome.

On the other hand, in the case where there is no balance weight,
Although the structure of the lifting device is relatively simple and there are few failures, the winch is loaded with the full load of the gantry, so a large and high output winch must be used, which increases the equipment cost. There is a problem. In particular, there may be a case where a plurality of lighting columns with a lifting frame are installed in an airport apron or the like, which makes the problem more remarkable.

The present invention has been made in view of the above points, and a first object thereof is to install a plurality of lighting columns with a lifting platform, particularly those without a balance weight, in an airport apron or the like. By raising and lowering the gantry by also using a winch for each lighting column, it is intended to provide a method of raising and lowering the pedestal of the lighting column with a lifting type pedestal that can contribute to lowering equipment costs while facilitating work. is there.

A second object of the present invention is to provide an illuminating column with an elevating pedestal and a winch carrier suitable for carrying out the pedestal elevating and lowering method.

[0009]

In order to solve the above-mentioned first problem, the invention according to claim 1 is a stand for also serving as a winch for winding up-and-down wires with respect to a plurality of lighting columns with a lift-type stand. As a method of raising and lowering, when the pedestal of each lighting column is raised to the upper limit position of the lighting column, the pedestal is fixed by a lock device, and one end is connected to the pedestal and the other end is passed through a fixed pulley provided at the upper end of the illumination column. The other end of the gantry-side lifting wire that hangs down to the lower end inside the lighting column is connected to the inner surface of the lighting column, and when lowering the gantry during the maintenance of each lighting column, the winch must first be placed inside the lighting column or One end of the winch-side lifting wire, which is arranged near the outside of the winch and is wound around the winch, is connected to the other end of the gantry-side lifting wire that is removed from the state of being locked to the inner surface of the illumination column, and then the locking device After releasing the fixed state of stand by,
The winch-side lifting wire is sent out from the winch to lower the gantry.

In this structure, even if the winch is not always installed in each illumination column, the winch is arranged inside or outside the illumination column during maintenance, and one end of the winch-side lifting wire wound around the winch is attached to the gantry side. By connecting it to the other end of the lifting wire, the winch can be used to lower the gantry to near the ground or to the upper limit position.

In order to solve the above second problem, a second aspect of the present invention is provided.
The invention according to, the lighting column main body installed upright on the ground, a pedestal that is arranged to be movable up and down on the outer periphery of the illumination column main body and has a lighting fixture attached, and a lifting wire for lifting the pedestal, In an illumination column with a lifting mount equipped with a winch for winding the lifting wire, the winch is carried into the interior of the illumination column body through an opening provided at the lower end of the illumination column body only during maintenance of the illumination column. On the other hand, a lock device for fixing the pedestal to the upper limit position is provided at the upper end of the illumination column main body, and one end of each of the lifting wires is connected to the pedestal and the other end is provided to the illumination column main body. A plurality of gantry-side lifting wires that are hung inside the lighting column through fixed pulleys provided on the upper end of each of them and are connected to one connecting member, and are wound around the winch to illuminate the winch. One end when carried disposed inside the main body is constituted by a single winch side lifting wires connected to the connecting member. In addition, the connecting member,
It is configured to be connected to the inner surface of the illumination column main body via the connection member when the illumination column is not being maintained.

In this structure, when the illumination column is maintained, the winch is carried into the illumination column body through the opening at the lower end of the illumination column body, and then one end of one winch-side lifting wire wound around the winch is installed. Of the winch-side lifting wire and the plurality of gantry-side lifting wires through the connecting member by connecting the connecting member to the inner surface of the illumination column main body through the connecting member. The connection can be easily performed. Then, after releasing the connecting state of the connecting member by the connecting member and releasing the fixed state of the gantry by the lock device, lower the gantry to near the ground by sending out the winch-side lifting wire from the winch. Further, by winding the winch-side lifting wire with the winch, the gantry can be raised to the upper limit position. At this time, since the gantry is suspended by a plurality of gantry-side lifting wires that pass through fixed pulleys provided at the upper ends of the illumination column bodies, the gantry can be lifted and lowered with good stability.

According to a third aspect of the present invention, in the lighting column with a lifting mount according to the second aspect, a rail on which a winch stand with wheels equipped with a winch can travel is arranged from the opening inside the lighting column main body. In addition to being laid down to the position, a restricting member that restricts the upward movement of the winch table at the disposition position is provided. With this configuration, when the winch is loaded into the interior of the lighting column body from the opening at the bottom of the illumination column body during maintenance of the lighting column, the winch stand with wheels equipped with the winch is placed from the opening in the illumination column body. The winch can be easily carried in by running on the rail laid up to the position, and the upward movement of the winch stand is restricted by the restricting member at the arrangement position. It can be done more easily.

According to a fourth aspect of the present invention, in the lighting column with a lifting mount according to the second or third aspect, the upper end of the lighting column main body is flange-connected to a lower part thereof, and the flange connecting part is used. The lock device and the constant pulley are attached to the upper end of the illumination column main body, which is the upper portion.
With this configuration, the upper end of the lighting column main body to which the locking device and the fixed pulley are previously attached is unitized during the construction of the lighting column, and at the construction site, the upper end of the lighting column main body is simply flanged to the lower part. There is no need to perform work to install enough or a lock device, and the work becomes simpler.

According to a fifth aspect of the present invention, there is provided a preferable form of the lock device in the illumination column with a lifting / lowering stand according to any one of the second to fourth aspects. That is, as the locking device, a plurality of support rods provided so as to be movable radially outward from the center side of the illumination column main body, one telescopic rod whose length is telescopically extended by an electric motor, and the telescopic rods It has a link mechanism that converts the movement into movement of each support rod and transmits it, and when the gantry rises to the upper limit position, the electric motor operates, each support rod moves radially outward and the gantry is placed. Configure to support. In this configuration, the operation of one electric motor causes the plurality of support rods to move outward in the radial direction from the center side of the illumination column body via the telescopic rod and the link mechanism, and the pedestal is placed and supported on these support rods. Since it is fixed at the upper limit position, the fixing of the gantry can be performed reliably with a relatively simple structure.

According to a sixth aspect of the present invention, there is provided a winch carrier for use as a winch for winding a lifting wire on a plurality of lighting columns with a lifting mount.
A carrier body traveling on the ground, a table rail arranged on the table of the carrier body, height adjusting means for adjusting the ground height of the table rail, and a movably mounted on the table rail. When a winch stand with wheels equipped with a winch and a carrier main body are arranged near the outside of the lighting column and the winch stand with wheels is carried into the inside of the lighting column through an opening provided at the lower end of the lighting column, the above table is used. The rail is extended between the carrier body and the opening of the illumination column on the extension line of the rail.

With this structure, when the winch is carried into the illumination column by using the carrier for transporting, first, the carrier main body having the winch with wheels mounted on the table rails is pushed on the ground by hand. After traveling and arranging in the vicinity of the exterior of the illumination column, a rail provided on the carrier body or the like is bridged between the carrier body and the opening of the illumination column on the extension line of the table rail. Next, the height of the table rail is adjusted by the height adjusting means to make the connection state with the suspended rail horizontal, and the winch stand is carried into the illumination column through the rail. As a result, the winch can be easily and quickly carried into the illumination column.

The invention according to claim 7 provides a preferred form of the height adjusting means in the winch carrier according to claim 6. That is, the height adjusting means includes a guide rail which is fixed on the table of the carrier body and has an inclined surface inclined at the upper edge in the longitudinal direction, and a wheel rolling on the inclined surface of the guide rail. It is composed of an adjusting table to which the table rail is fixed and a feeding mechanism that moves the adjusting table along the guide rail and fixes it at an arbitrary position. With this configuration, the ground height of the table rail fixed to the adjusting table can be easily adjusted by changing the position of the adjusting table on the inclined surface of the guide rail by the feeding mechanism.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show the overall configuration of an illumination column A with a lifting mount according to an embodiment of the present invention,
The illumination pillar A includes an illumination pillar main body 2 that is vertically installed on the ground 1, a pedestal 3 that is vertically movable around the outer periphery of the illumination pillar main body 2, and a lift for lifting the pedestal 3. The work wire 4 and the winch 5 for winding the wire 4 are provided.

The illumination column main body 2 is made of a hollow steel pipe whose diameter gradually decreases as it goes upward, the lower end has a diameter of about 850 mm, and the upper end has a diameter of 550 mm.
It is a degree. An opening 6 is provided at the lower end of the illumination column body 2, and the winch 5 is carried into the illumination column body 2 through the opening 6 only when the illumination column A is maintained. There is. A protective fence 7 is provided on the outer periphery of the lower end of the illumination column body 2.

As shown in detail in FIG. 4, the mount 3 has an annular inner frame member 11 having a diameter slightly larger than the diameter of the lower end of the illumination column main body 2, and a circumferential direction from the inner frame member 11. Eight beam members 12 provided at equal intervals and projecting radially
12, and a regular octagonal outer frame member 13 formed by connecting the tips of the eight beam members 12, 12 ,. A lighting fixture 14 is attached to each corner of the outer frame member 13, and when the gantry 3 is raised to the upper limit position of the illumination column main body 2 (state shown in FIGS. 1 and 2), a total of 8
A wide area around the illuminating column main body 2 is illuminated by two luminaires 14, 14, ....

The illumination pillar body 2 is shown in FIGS.
As will be described in detail in an enlarged manner, the upper end portion 2a is flange-joined to the lower portion 2b, that is, the flange 2c provided on the upper end portion 2a and the flange 2d provided on the lower portion 2b are overlapped with each other and the bolt is attached. And a nut, and the upper and lower portions 2a of the illumination column main body 2 above the flange coupling portion pass the lifting wires 4 (specifically, the gantry side lifting wires 48 described below). Two wire fixed pulleys 15, 15 and power transmission cable 16 (see FIG. 7)
Cable fixed pulley 17 for passing through, both fixed pulleys 1
A cover body 18 for covering 5, 17 and a lock device 19 for fixing the gantry 3 at the upper limit position are attached. The cover main body 18 is provided on the outer peripheral surface of the upper end portion 2a of the illumination pillar main body 2 at equal intervals in the circumferential direction and protruding in the radial direction.
Are supported by book supporting members 21, 21, ..., And each supporting member 21 and the flange 2 of the upper end portion 2 a of the illumination column main body 2.
A support member 22 is provided between each of them and c. A lightning rod 23 is vertically installed on the upper surface of the cover body 18.

As shown in detail in FIGS. 7 to 9, the lock device 19 passes through the inside of the sheath tube 25 penetrating from the illumination column body 2 to the supporting members 22, and the central side of the illumination column body 2. Has four support rods 26, 26, ..., which are provided so as to be movable toward the outer side in the radial direction, and one electric telescopic rod 30 arranged along the inner center line of the illumination column main body 2. There is. As shown in FIG. 10, the telescopic rod 30 is a first rod 3 formed of a screw rod rotatably provided in the housing 31 and having a male screw on the outer peripheral surface.
2, a hollow second rod 33 having an internal thread portion 33a to be screwed with a male screw on the outer peripheral surface of the first rod 32 on the inner peripheral surface and extending downward from the inside of the housing 31, and the housing 31. As described above, the sheath tube 35 is fixed to the illumination column main body 2 via the fixing member 34, and the electric motor 36 that is provided on the housing 31 side and rotationally drives the first rod 32. The electric motor 36 causes the first rod 32 to rotate. When the second rod 33 is rotated, the second rod 33 is screw-fed along the first rod 32, the extension amount of the second rod 33 from the housing 31 changes, and at the same time, the relative length of the sheath pipe 35 on the outer peripheral surface of the housing 31 changes. The position is changed.
That is, when the sheath tube 35, which is the fixing point of the telescopic rod 30, is viewed as the center, the housing 31 and the second rod 33 perform the extension operation in synchronization with each other in the vertical direction.

An upper band 41 is attached to the housing 31 of the telescopic rod 30, and a lower band 42 is attached to the distal end portion of the second rod 33 of the telescopic rod 30, and the upper band 41 and the support rods 26 are provided. One end of each of the lower band 42 and each of the support rods 26 is connected to one end of each of the support rods 26 through a lower link 44 thereof. A link mechanism 45 configured to convert the expansion / contraction motion of the expandable / contractible rod 30 (change in the amount of extension of the second rod 33) to the movement of each support rod 26 and transmit the converted motion is transmitted by 43 and 44.

Further, each of the support members 21 is formed with a tapered positioning recess 46 at a portion outside the connection portion with the support member 22 (on the side opposite to the illumination column main body 2), and at the same time, of the pedestal 3. Positioning pins 47 are provided in four locations on the inner frame member 11 so as to correspond to the positioning recesses 46, and the positioning pins 47 are fitted into the positioning recesses 46 when the gantry 3 is raised to the upper limit position. In addition, the gantry 3 is positioned at the upper limit position. Of the four positioning pins 47, 47, ...
At least one positioning pin has a function as an upper limit switch, and when the positioning pin 47 is fitted in the positioning recess 46 in a predetermined state (that is, when the gantry 3 is raised to the upper limit position), the lifting wire by the winch 5 is used. 4, the lifting of the gantry 3 is stopped, and the electric motor 36 of the electric telescopic rod 30 is activated.
The four support rods 26, 26, ... Of the lock device 19 are each moved outward in the radial direction to fix the gantry 3 at the upper limit position.

On the other hand, the elevating wire 4 comprises two gantry side elevating wires 48, 48 and one winch side elevating wire 49. One end of each gantry-side lifting wire 48 is connected to one of the two beam members 12, 12 facing each other with the center of the gantry 3 interposed therebetween via a coupling member 40,
The other ends are hung inside the illumination column body 2 through fixed wire pulleys 15 provided at the upper end of the illumination column body 2 and are connected to one connecting member 51. The winch-side lifting wire 49 is wound around the winch 5,
As shown in detail in FIGS. 11 and 12, one end of the winch 5 is connected to the connecting member 51 via the hook member 50 when the winch 5 is carried in the inside of the lighting column main body 2 during maintenance of the lighting column A. It is connected to the two gantry side lifting wires 48, 48 via the connecting member 51. Connecting member 5
1 is locked to the locking portions 53, 53 fixed to the inner surface of the lighting column main body 2 via chains 52, 52 as locking members at times other than during maintenance of the lighting column A.

The winch 5 is a winch stand 5 with wheels.
5 is fixed and mounted on the winch base 55, and is carried into the interior of the illumination column main body 2 through the opening 6 when the illumination column A is maintained while being mounted on the winch base 55. This winch 5
In order to carry the winch base 55 into the interior of the illumination column main body 2, as shown in FIGS. 11 to 13, inside the illumination post main body 2, a pair of angled traveling rails on which the winch platform 55 can travel. 56, 56 are laid from the opening portion 6 to the arrangement position, and the left and right sides of the winch table 55 are regulated by sandwiching the flange pieces of the left and right frame members 55a, 55a of the winch table 55 at the arrangement position. A pair of regulating members 57, 57 are provided in parallel with the traveling rail 56.

When the winch 5 is transported to the illumination column A during maintenance of the illumination column A, a winch transport carrier B is usually used as shown in FIG. This carrier B for transportation is, as shown in detail in FIGS. 14 to 16, a carrier body 6 which is manually pushed and runs on the ground.
0 and a pair of angle-shaped table rails 61, 61 arranged on the table 60a of the carrier body 60.
And height adjusting means 62 for adjusting the ground height of the table rails 61, 61, and the table rails 61, 61.
The above-mentioned winch stand 5 with wheels movably mounted thereon
5 and.

The height adjusting means 62 is a pair of left and right inverted T-shaped guide rails 63, 63 fixed on the table 60a of the carrier body 60, and the guide rails 6 respectively.
4 wheels, 2 each before and after rolling on the upper edge of 3
4, 64, ... And the table rails 61, 61
It is composed of an adjusting base 65 to which is fixed, and a feeding mechanism 66 which moves the adjusting base 65 along the guide rails 63 and 63 and fixes it at an arbitrary position. Each guide rail 63
An inclined surface 63a inclined in the longitudinal direction is provided on the upper edge of each of the wheels 64 of the adjusting base 65 rolling on the upper edge.
There are two front and rear. In addition, the delivery mechanism 66
Is a threaded rod 67 formed by forming a male screw on the outer peripheral surface of one end.
And a screw hole member 69 which has a screw hole to be screwed into the male screw of the screw rod 67 and is rotatably connected to the adjusting base 65 about a support shaft 68, and a carrier body 60 rotates about a support shaft 70. A support member 71 rotatably supported and rotatably supporting the other end of the screw rod 67, and a handle 72 connected to the other end of the screw rod 67 are provided. The adjusting base 65 is screw-fed integrally with the hole member 69 so that each wheel 64 of the adjusting base 65 rolls on the inclined surface 63a of the guide rail 63. According to the position of the wheel 64 of 65, the ground height of the table rails 61, 61 is adjusted within the range of the minimum height position shown in FIG. 14 and the maximum height position shown in FIG. 17 (about 40 mm). .

The winch carrying carrier B further includes two temporary rails 75 as shown in FIG. 18. The temporary rails 75 have angle members 75b on a flat plate 75a with their corners facing upward. It becomes stuck in the state,
Pins 77 that can be fitted into holes 76 formed in the adjustment base 65 are provided at both ends thereof so as to project downward.
Then, as shown in FIG. 11, when the carrier body 60 is arranged near the outside of the illumination column body 2 and the winch base 55 is carried into the illumination column body 2 through the opening 6 of the illumination column body 2, the temporary installation is performed. The rail 75 is laid on the extension line of the table rail 61 of the carrier B between the adjustment base 65 on the carrier body 60 side and the opening 6 of the illumination column body 2 and the vicinity of the traveling rail 56, and on the temporary rail 75. The winch stand 55 is carried into the inside of the illumination column main body 2 through the through.

In FIGS. 7 and 11, reference numeral 79 is a cable protection tube provided inside the illumination column main body 2, and the power transmission cable 16 is routed through the protection tube 79.

Next, in order to explain a method or work procedure for moving the pedestal 3 up and down during maintenance of the illumination column A,
As shown in FIGS. 1 and 2, the illumination column A is now used in a normal use in which the pedestal 3 is elevated to the upper limit position of the illumination column main body 2 and can be illuminated by the luminaires 14, 14, ... Is in a state. In this used state, the lock device 19
The pedestal 3 is fixed to the upper limit position by. Further, the two pedestal-side lifting wires 48, 48 connected to the pedestal 3 of the lifting wire 4 are respectively hung down to the lower end inside the lighting column body 2 through the fixed pulley 15 at the upper end of the lighting column body 2. Via the connecting member 51 and the chains 52, 52, they are connected to the connecting portions 53, 53 on the inner surface of the illumination column main body 2.

In order to lower the gantry 3 from such a use state, first, the winch carrier B is used.
Winch stand with wheels 55 equipped with winch
Are carried into the interior of the lighting column body 2. This winch stand 55
For carrying in, first, the carrier main body 60 in which the winch base 55 is placed on the table rail 61 of the carrier B is manually pushed to travel on the ground to be arranged near the outside of the illumination column main body 2, and then on the extension line of the table rail 61. Carrier body 6
A temporary rail 75 is bridged between the adjustment table 65 on the 0 side and the vicinity of the opening 6 of the illumination column main body 2 and the traveling rail 56. Then, the height adjustment means 62 adjusts the ground height of the table rail 61 to level the connection with the temporary rail 75 and the traveling rail 56, and the winch base 55 is passed through the temporary rail 75 and the traveling rail 56. Lighting pillar body 2
Carry it into the location inside. This allows the winch stand 55
It is possible to easily and swiftly carry in the illumination column main body 2. Moreover, when the winch base 55 is carried into the position in the lighting column main body 2, the flange pieces of the left and right frame members 55a, 55a of the winch base 55 are respectively restricted members 57.
Since the upward movement of the winch base 55 is restricted by being pinched by the, the work for fixing the winch base 55 to the arrangement position can be omitted.

After that, the winch 5 on the winch stand 55
As shown in FIGS. 11 and 12, one end of the winch side lifting wire 49 wound around the hook is attached to the hook member 5 on the connecting member 51.
0, and is connected to the two gantry-side lifting wires 48, 48 via the connecting member 51. In this connection method, the winch-side lifting wire 4 is not used without using the connection member 51.
The connection can be performed more easily and more quickly than the case where one end of 9 is connected to the two gantry-side lifting wires 48, 48 directly or via the hook member 51.

Subsequently, the connection state of the connecting member 51 by the chains 52, 52 is released, and the gantry 3 is lifted by the winch 5 until the upper limit switch operates,
After the support rod 26 of the locking device 19 is pulled in to release the fixed state of the gantry 3, the brake operation of the winch 5 is released and the winch-side lifting wire 49 is sent out from the winch 5 to lower the gantry 3 near the ground. (See Figure 3). At this time, since the gantry 3 is suspended by the two pedestal-side lifting wires 48, 48 that pass through the fixed pulleys 15, 15 provided at the upper end of the illumination column body 2, the gantry 3 is stably lowered. be able to.

On the other hand, after the maintenance of the luminaire 14 of the gantry 3 is completed, first, the winch 5 is operated to wind the winch-side lifting wire 49 around the winch 5 to raise the gantry 3 to the upper limit position. Also during this ascent, the pedestal 3 can be stably raised by the two gantry side lifting wires 48, 48 as in the case of the descent. When the gantry 3 is raised to the upper limit position, the positioning pins 47 on the gantry 3 side are fitted into the positioning recesses 46 on the illumination column body 2 side to position the gantry 3 at the upper limit position. Since the two positioning pins 47 function as an upper limit switch, the winding operation of the lifting wire 4 by the winch 5 and the lifting of the gantry 3 are stopped, and at the same time, the locking device 1
The support rod 26 of 9 is pushed out, and the gantry 3 is lowered onto the support rod 26 by the winch 5.

Subsequently, the connecting member 51 descending to the lower end of the illumination column main body 2 is connected to the connecting portions 53, 53 on the inner surface of the illumination column main body 2 using the chains 52, 52, and then the above connecting member. The winch-side lifting wire 48 is removed from 51.
After that, the winch base 55 is carried out from the inside of the illumination column main body 2 through the opening 6 to the side of the carrier main body 60 arranged near the outside of the illumination column main body 2. The winch base 55 can be easily and quickly carried out when it is carried in through a temporary rail 75 that is bridged between the adjustment base 65 on the carrier body 60 side and the opening 6 of the illumination pillar body 2 and the vicinity of the traveling rail 56. It can be carried out.

According to the method of raising and lowering the pedestal 3 as described above, even if the winch 5 is not always provided on the illumination column A, the winch 5 is arranged inside the illumination column main body 2 at the time of maintenance and wound around the winch 5. Winch side lifting wire 49
One end of the pedestal side elevating wire 48 through the connecting member 51.
Since the gantry 3 can be moved up and down by using the winch 5 simply by connecting it to the other end, the unit price per lighting pillar A is reduced while facilitating the maintenance work. This is particularly effective when a plurality of illumination columns A are installed.

Further, in the illumination pillar A, the lock device 19 for fixing the pedestal 3 at the upper limit position is provided with the four support rods 26, 26, ... By one electric motor 36 via the telescopic rod 30 and the link mechanism 45. Moves to the outside in the radial direction from the center side of the illumination column main body 2, and these support rods 2
The pedestal 3 is placed and supported on 6, 26, ... And fixed to the upper limit position, so that the pedestal 3 can be fixed with a relatively simple structure and reliably.

In addition, the upper end portion 2a of the illumination pillar main body 2 is flange-joined to the lower portion 2b, and the upper end portion 2b of the illumination pillar main body 2 which is an upper portion than the flange joint portion. The lock device 19, the fixed pulley 15,
Since 17 and cover body 18 are attached,
When the illumination pillar A is installed, the lock device 19 and the fixed pulley 1 are previously installed.
It is sufficient to unitize the upper end portion 2a of the illumination pillar main body 2 to which 5, 17 and the cover body 18 are attached, and to flange-connect the upper end portion 2a of the illumination pillar main body 2 to the lower portion 2b at the construction site. Since it is not necessary to attach the lock device 19 and the like, the construction can be simplified.

Further, in the winch transport carrier B used for transporting the winch 5, a table rail 61 on which a winch stand 55 with wheels equipped with the winch 5 is movably mounted is provided with height adjusting means 62. The height adjusting means 62 is fixed on the table 60a of the carrier body 60 and has a guide rail 63 having an inclined surface 63a inclined in the longitudinal direction at the upper edge, and the height adjustment means 62 of the guide rail 63. An adjusting base 65 having wheels 64 rolling on the inclined surface 63a and to which the table rail 61 is fixed, and a feeding mechanism 66 for moving the adjusting base 63 along the guide rail 63 and fixing it at an arbitrary position. And the inclined surface 63 of the guide rail 63.
Since the height of the table rail 61 on the ground can be easily adjusted by changing the position of the adjusting table 63 on the a by the sending mechanism 66, this is effective in realizing the embodiment.

The present invention is not limited to the above embodiment, but includes various other embodiments. For example, in the gantry raising / lowering method of the above-described embodiment, the winch stand 55 with wheels mounted with the winch 5 is carried into the interior of the illuminating column main body 2 during maintenance of the illuminating pillar A. Winch stand 55
Need not be carried into the interior of the lighting column body 2,
For example, as shown in FIG. 19 or 20, a winch carrier C or D equipped with a winch 80 is arranged near the outside of an illumination column (illumination column body 2), and the winch 8
The winch-side lifting wire 81 wound around 0 may be connected to a gantry-side lifting wire (not shown) through a fixed pulley 82 installed at the lower end inside the illumination column body 2. In the embodiment shown in FIG. 19, the carrier C is attached to the fixing metal fittings 84, ...
In the embodiment shown in FIG. 20, the carrier D is placed in contact with the protection fence 7 of the illumination column.

Further, in the lifting-type pedestal illumination column A of the above-described embodiment, as the lock device 19 for fixing the pedestal 3 at the upper limit position, one electric motor 36 is used to connect the four extensible rods 30 and the link mechanism 45. Support rod 2
.. are moved to the outside in the radial direction from the center side of the illumination column main body 2, and the pedestal 3 is placed and supported on these support rods 26, 26 ,. The lifting / lowering platform-equipped illumination column of the present invention is not limited to this type of locking device, and may be configured using, for example, a locking device that swings a pendulum type hook member by an actuator to fix the platform to the upper limit position. Of course it is good.

[0044]

As described above, according to the method of raising and lowering the pedestal of the lighting column with the lifting type pedestal of the present invention, the winch can be installed inside or outside the illumination column at the time of maintenance even if the winch is not always equipped on each illumination column. Since it is possible to raise and lower the stand using the winch by simply performing a simple operation of arranging it in the vicinity and connecting one end of the winch side lifting wire wound around this winch to the other end of the stand side lifting wire, It is possible to contribute to the reduction of equipment costs while facilitating maintenance work.

Further, according to the lighting column with the lifting / lowering stand of the present invention, the winch is carried into the inside of the lighting column body through the opening at the lower end of the lighting column body at the time of maintenance of the lighting column, and then the winch is wound around the winch. Further, by connecting one end of one winch-side lifting wire to the connecting member that is locked to the inner surface of the illumination column body through the locking member, one winch-side lifting wire is connected through the connecting member. Since it is possible to easily connect with and a plurality of gantry side lifting wires, the gantry can be lifted and lowered while being stably suspended by the plurality of gantry side lifting wires.
It is suitable for carrying out the above-described pedestal raising / lowering method.

In particular, in the invention according to claim 3, when the winch is carried into the inside of the illumination column main body through the opening at the lower end of the illumination column main body during maintenance of the illumination column, the winch stand with wheels mounted with the winch is Since the winch can be easily carried in by running on the rail laid from the opening in the lighting column body to the arrangement position, the upward movement of the winch stand is restricted by the restriction member at the arrangement position. Further, the winch table or the winch can be easily carried in and arranged, and the work can be further facilitated.

In the invention according to claim 4, the upper end of the main body of the lighting column to which the lock device and the constant pulley are previously attached is unitized at the time of construction of the lighting column, and at the construction site, the upper end of the main body of the lighting column is located on the lower side. Since there is no need to perform the work of attaching the lock device and the like only by flange-joining with, it is possible to achieve the effect that the construction can be simplified.

In the invention according to claim 5, the plurality of support rods move radially outward from the center side of the illumination column main body through the telescopic rod and the link mechanism by the operation of one electric motor, and Since the gantry is placed on and supported by and fixed to the upper limit position, the gantry can be fixed with a relatively simple structure and reliably, which is effective in realizing the implementation.

Further, according to the carrier for winch transportation of the present invention, even if the heights of the openings of the respective illumination columns from the ground are different, the ground height of the table rail on the carrier main body side is adjusted so that the carrier main body and the carrier main body are adjusted. The rails that are hung between the openings of the lighting poles are horizontal, and the winch stand with wheels equipped with winches can be easily and quickly carried into the lighting poles through the rails. It can be further facilitated and is suitable for carrying out the above-described pedestal raising / lowering method.

In particular, in the invention according to claim 7, the ground height of the table rail can be easily adjusted by a relatively simple structure in which the position of the adjusting table on the inclined surface of the guide rail is changed by the feeding mechanism. Therefore, it is effective for implementation.

[Brief description of drawings]

FIG. 1 is an external view of a lighting column with a lifting frame according to an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional side view showing an internal structure of the illumination column when in use.

FIG. 3 is a vertical cross-sectional side view showing the internal structure of the illumination column in a state where the pedestal of the illumination column is lowered.

FIG. 4 is a plan view showing a structure of a pedestal of an illumination column.

5 is an enlarged view of the vicinity of an upper end portion of the illumination column body of FIG.

FIG. 6 is an enlarged view of the vicinity of an upper end portion of the illumination column body of FIG.

7 is a sectional view taken along line XX of FIG.

8 is a cross-sectional view showing a stretched state of the telescopic rod taken along line YY of FIG.

FIG. 9 is a sectional view showing a contracted state of the telescopic rod.

FIG. 10 is an enlarged vertical sectional view of a second rod extending portion of the telescopic rod.

FIG. 11 is a vertical cross-sectional side view showing a state in which the winch table is carried into the interior of the illumination column body.

FIG. 12 is an enlarged view of the vicinity of a lower end portion of the illumination column body of FIG.

13 is an enlarged cross-sectional view taken along line ZZ of FIG.

FIG. 14 is a partially cutaway side view of the winch carrier.

FIG. 15 is a front view of the same.

FIG. 16 is a plan view of the same.

FIG. 17 is a view corresponding to FIG. 14 showing a state in which the ground height of the table rail is set to the maximum height position.

18A is a plan view of a temporary rail, and FIG. 18B is a side view of the same.

FIG. 19 is a cross-sectional view of the vicinity of a lower end portion of an illumination column main body showing another embodiment.

FIG. 20 is a view equivalent to FIG. 19 and showing another embodiment.

[Explanation of symbols]

A Illumination column with lifting platform B, C, D winch carrier 1 ground 2 Lighting pillar body 2a upper end 2b Lower part 2c, 2d flange 3 mounts 4 Lifting wire 5,80 winches 6 openings 14 Lighting equipment 15 Wire constant pulley 19 Locking device 26 Support rod 30 Electric telescopic rod 36 electric motor 45 link mechanism 48 Mounting-side lifting wire 49,81 Winch side lifting wire 51 Connection member 52 Chain (locking member) 55 winch stand 56 running rail 57 Control member 60 carrier body 60a table 61 table rail 62 Height adjusting means 63 Guide rail 63a inclined surface 64 wheels 65 Adjusting stand 66 Sending mechanism 75 Temporary rail

Continued front page    (72) Inventor Masayuki Funada             1-14 Shinjuku, Shinjuku-ku, Tokyo Nasuden             Kiki Tekko Co., Ltd. F term (reference) 3F333 AA03 AB07 BD05 FA21 FG03                       FG06

Claims (7)

[Claims] 1. A pedestal raising / lowering method for also using as a winch for winding up / down wires with respect to a plurality of illuminating columns with a vertically movable pedestal, wherein the pedestal of each illuminating column is raised to an upper limit position of the illuminating column. Sometimes the frame is fixed by a locking device, and the other end of the gantry-side lifting wire is hung down to the lower end inside the illumination column through a fixed pulley that is connected to the platform at one end and the other end at the upper end of the illumination column. Is fixed to the inner surface of the lighting column, and when lowering the gantry during maintenance of each lighting column, the winch is first placed inside or outside the lighting column, and one end of the winch-side lifting wire wound around this winch is After connecting to the other end of the gantry side lifting wire removed from the state of being locked to the inner surface of the illumination column, and then releasing the fixed state of the gantry by the above locking device, winch side lifting wire Cradle lifting method elevating stand with light poles, characterized in that so as to lower the platform to more feed. 2. A lighting pillar main body which is installed upright on the ground, a stand which is arranged on the outer periphery of the lighting pillar main body so as to be able to move up and down and to which a lighting fixture is attached, and a lifting wire for lifting the stand. A lighting column with a lifting platform including a winch for winding the lifting wire, wherein the winch is inside the lighting column body from an opening provided at a lower end of the lighting column body only during maintenance of the lighting column. On the other hand, a lock device for fixing the gantry to the upper limit position is provided at the upper end portion of the lighting column main body while being carried in and arranged, and one end of each of the lifting wires is connected to the gantry. ,
A plurality of gantry side lifting wires, which are hung inside the illumination column through fixed pulleys provided at the upper ends of the illumination column main bodies and connected to one connecting member, are wound around the winch, and the winch is attached to the winch. One end is composed of one winch-side lifting wire that is connected to the connecting member when it is carried in the inside of the lighting column main body, and the connecting member is connected via a connecting member except when maintenance of the illumination column is performed. An illumination column with an elevating mount, which is adapted to be connected to the inner surface of the illumination column body. 3. The inside of the illumination column main body is provided with a rail on which a winch stand with wheels equipped with a winch can travel, from the opening to a placement position, and upward movement of the winch stand at the placement position. The lighting column with a lifting mount according to claim 2, wherein a regulating member for regulating is provided. 4. The illumination pillar main body has an upper end portion flange-connected to a lower portion thereof, and the locking device and a fixed member are provided at an upper end portion of the illumination pillar main body which is an upper portion of the flange connection portion. The lighting column with a lifting mount according to claim 2 or 3, wherein a pulley is attached. 5. The lock device comprises a plurality of support rods provided to be movable radially outward from the center side of the illumination column main body, and one extendable rod whose length is extended and retracted by an electric motor. It has a link mechanism that converts the expansion and contraction motion of the expansion and contraction rod to the movement of each of the support rods and transmits it, and the electric motor operates when the pedestal rises to the upper limit position,
The lifting / mounting type illumination column with a mount according to any one of claims 2 to 4, wherein each support rod is configured to move outward in the radial direction to mount and support the mount. 6. A winch carrier for use as a winch for winding up and down wires for a plurality of lighting columns with a lifting pedestal, the carrier main body traveling on the ground, and a table of the carrier main body. A table rail arranged above, a height adjusting means for adjusting the ground height of the table rail, a winch stand with wheels mounted with a winch movably mounted on the table rail, and a carrier body. When the winch stand with wheels arranged near the outside of the lighting column is carried into the inside of the lighting column through the opening provided at the lower end of the lighting column, the carrier body and the opening of the lighting column are extended on the extension line of the table rail. A winch carrier for transporting a winch, comprising: a rail that is hung between the two. 7. The height adjusting means includes a guide rail fixed to a table of a carrier body and having an inclined surface inclined at a top edge in a longitudinal direction, and a wheel rolling on the inclined surface of the guide rail. 7. The winch carrier according to claim 6, further comprising: an adjusting table having the table rail fixed thereto, and a feeding mechanism for moving the adjusting table along the guide rail and fixing the table at an arbitrary position.