JP3216358U - Construction control sign storage transport stand - Google Patents

Abstract

[PROBLEMS] To store a construction regulation sign that can be easily loaded on a loading platform and that can securely carry a construction control sign against a shaking during transportation. Provide a transportation platform. A rail member 18 mounted at a predetermined height on a loading platform 14 on which a load is placed and a traveling member 66 having a caster 78 capable of traveling on the rail member 18 are provided. The traveling member 66 includes a locking member 76 that locks the sign pillar 62 of the construction regulation sign 60. A gantry main body 16 to be attached to the gantry 14 is provided, and a plurality of rail members 18 are positioned on the gantry main body 16 substantially in parallel with each other at a predetermined interval. The gantry body 16 includes a column 20 that holds the rail member 18 and a connecting plate 26 that couples the columns 20 of the adjacent rail members 18 to each other. Between the pair of rail members 18, there is an accommodation space 28 in which the sign plate 64 of the construction regulation sign 60 is located. [Selection] Figure 1

Description

  The present invention relates to a construction regulation sign storing and transporting platform that is provided on a loading platform, loads construction regulation signs, and fixes at a loading position.

  Conventionally, when a heavy load is loaded into a cargo storage unit such as a container, a freight car, or a ship, the vehicle may be moved back while dragging on the floor surface of the cargo storage unit. In addition, it is necessary to devise such as fixing with a wooden frame or driving a wedge-shaped spacer so that the load does not shift or fall during transportation.

  As a solution to this problem, there is a fluidized shelf with a movable bed disclosed in Patent Document 1. This fluidized shelf with movable platform is equipped with a plurality of movable platforms with different heights that are slidably supported on the inclined rails via wheels, and when the movable platform is empty, all movable platforms are inclined rails. It is comprised so that it can be piled up and down at the lower end part. When loading a load, the first load is placed on the uppermost movable loading platform, pushed out by the next loading load, and pushed on the next movable loading platform and placed on the next movable loading platform. Thereafter, the load is placed on all the movable loading platforms in the same manner. Thereby, it can be moved to the back without dragging the bed to the back of the bed, and the load is reliably placed on the movable bed and prevents the load from collapsing.

  Moreover, the heavy article conveyance stand currently disclosed by patent document 2 and a heavy article conveyance apparatus using the same convey cylindrical heavy objects, such as a steel coil, and it is in the groove part of the rail arrange | positioned on the floor surface. A package is transported using a transporting means arranged. The conveying means is formed with a base part, legs that are disposed and fixed on both sides of the lower part of the base part, the height of which is higher than the height of the rail, and a pair of inclined surfaces that are disposed and fixed on the base part and face each other. Cylindrical heavy object placing part and fastening material fixing part for fixing a fastening material that is disposed in a predetermined part of the base part or the leg part and fastens the cylindrical heavy object to the cylindrical heavy object placing part. . As a result, a heavy object can be placed on the base and stably fixed with a fastening material, and the base can be moved by a slight force such as human power or a small forklift by the conveying means. Are better.

JP 2004-250205 A JP 2005-219811 A

  In the case of the carrier and the shelf disclosed in Patent Documents 1 and 2 of the background art described above, it is a large-scale device for carrying in a heavy load, which requires high strength and costs. Accordingly, there is a need for a transport table that can be easily loaded and locked in a locked state, such as a lighter weight that can be transported by human power, such as those used at work sites.

  For example, construction regulation signs installed on the road have a sign board fixed to a sign post made of aluminum or the like with a U-band. For example, they use a platform that allows a bag to be hung on a clothesline.

  However, if they are piled apart, the construction regulation signs may collide with each other and be damaged, and the construction regulation signs to be installed cannot be quickly taken out. Furthermore, the part of the clothes rack that comes into contact with the rack may hurt. In addition, when loading, it is difficult to move to the loading position at the back of the loading platform, and an operation such as a worker climbing up on the loading platform occurs, resulting in poor workability.

  This invention was made in view of the above-mentioned problems of the background art, and the construction control sign can be easily loaded on the loading platform, and can be easily taken out by an operator alone. To provide a construction regulation sign storage and transportation platform that can be stably transported against shaking during transportation by securely locking the sign pillar of the construction regulation sign, leading to improved safety by shortening Objective.

  The present invention includes a rail member having a traveling surface which is attached to a loading platform on which a load is placed at a predetermined height and is continuous in the longitudinal direction, and the traveling member having a caster capable of traveling on the traveling surface of the rail member is provided with a construction regulation sign. A construction regulation sign storage and transportation stand provided on the sign pillar, and the traveling member is provided with a locking member for latching the construction control sign.

  The running surface is formed in a groove shape opened upward. The construction regulation sign storage and transportation platform is provided with a platform body to be attached to the loading platform. The platform body has a plurality of rail members arranged at predetermined intervals, and the traveling directions of the traveling surfaces are substantially parallel to each other. positioned. The gantry body is provided with a support column that holds the rail member and a connecting plate that connects the support columns of the adjacent rail members. Between the pair of rail members, an accommodation space in which the sign plate of the construction regulation sign is located is provided.

  The rail member is provided along a direction in which the traveling direction of the traveling surface is directed from the loading port of the cargo bed toward the far side on the opposite side, and intersects the traveling surface at an end on the far side of the rail member. A contact plate is fixed, and a movable locking plate is locked to the end of the loading port. The abutment plate can change its fixing position in accordance with the length of the sign post to be loaded.

  The travel member attached to the sign post includes a placement plate on which the sign post is placed, an attachment plate attached so as to cross the placement plate, a caster that travels on the travel surface of the rail member, A locking member is provided, and the locking member is a U-bolt or the like of a size that is attached to the mounting plate and winds around the side peripheral surface of the marker column.

  The construction control sign storage and transportation platform of the present invention can easily load the construction control sign on the loading platform, and securely locks the sign post of the construction control sign on the loading platform and is stable against shaking during transportation. Can be transported. A construction control sign with a shape that is difficult to handle for a long time in one direction is moved by a caster along the rail member, moved to the back of the loading platform with a small force, loaded, and scratched without being rubbed against other members. Nor. Since the sign post is locked to the traveling member with a U-bolt or the like, the sign post does not fall even if it receives vibration during transportation and can be transported safely. A plurality of construction control signs can be held in parallel with each other by inserting a sign plate into a small accommodation space, and space is not taken up and transportation efficiency is good.

It is a perspective view which shows the use condition of the construction control sign accommodation conveyance stand of one Embodiment of this invention. They are a top view (a), a front view (b), and a right side view (c) of the gantry body of the construction regulation sign storage and transportation gantry of this embodiment. It is a partial enlarged right side view of the gantry body of the construction regulation sign storage and transportation gantry of this embodiment. It is the front view (a) and right view (b) of the contact board of the construction control sign accommodation conveyance stand of this embodiment. It is the front view (a) and right view (b) of the latching plate of the construction control sign accommodation conveyance stand of this embodiment. They are the front view (a), right view (b), and top view (c) of the traveling member of the construction regulation sign storage conveyance stand of this embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 6 show an embodiment of the present invention. A construction regulation sign storage and transportation platform 10 of this embodiment is loaded with a construction regulation sign 60 installed on the road. These are obtained by fixing various marker plates 64 to a cylindrical marker column 62.

  The construction regulation sign storage and transportation platform 10 is provided with a platform body 16 fixed to the loading platform 14 of the transportation vehicle 12. The gantry body 16 is made of stainless steel, for example, and is provided with a rail member 18 on which a traveling member 66 described later travels. The rail member 18 is an elongated member having a rectangular cross-sectional shape that is installed substantially horizontally. The upper surface located in the use state is a traveling surface 18a, and a pair of side surfaces along the longitudinal direction has a traveling surface. A guide plate protruding upward from 18a is attached and formed in a groove shape opening upward. The length of the rail member 18 in the longitudinal direction is, for example, 4 m, and the width of the traveling surface 18a is, for example, 5 cm. A mounting hole 19 for attaching a later-described contact plate 30 or a later-described locking plate 40 is provided in the running surface 18a of the rail member 18 at both ends in the longitudinal direction so as to penetrate the upper surface and the lower surface in the vertical direction. It has been. The mounting hole 19 may have the same diameter for the contact plate 30 and the locking plate 40. A plurality of the contact plates 30 may be provided at predetermined intervals in the longitudinal direction, and the contact plate 30 may be moved and attached to a suitable position according to the length of the construction regulation sign 60 that is a load. The predetermined interval between the mounting holes 19 is, for example, an interval of 50 cm.

  A support column 20 is provided on the lower surface of the rail member 18. Four columns 20 having the same shape are provided at equal intervals in the longitudinal direction of the rail member 18, and are extended and fixed substantially perpendicular to the lower surface of the rail member 18. The support column 20 is a hollow long member having a rectangular cross section, and has a thickness that does not protrude from the width of the rail member 18. In the middle of the four struts 20 in the longitudinal direction, one horizontal bar 22 is attached substantially parallel to the rail member 18, that is, substantially perpendicular to the struts 20, and connects the four struts 20. ing. The crosspiece 22 is a hollow long member having a rectangular cross section, and is attached by cutting the side face of the support column 20 and fitting it.

  A rectangular reinforcing plate 24 is attached to the ends of the four columns 20 on the opposite side of the rail member 18, that is, below the horizontal rail 22, and connects the four columns 20. The reinforcing plate 24 has an upper end edge portion and a lower end edge portion that are bent into an L shape, and has increased strength. The upper end edge and the lower end edge of the reinforcing plate 24 bent into an L-shape are notched in the supporting column 20, or the upper and lower edge portions in contact with the supporting column 20 are notched. It is fitted and attached.

  A plurality of, for example six, rail members 18 assembled with the support columns 20, the horizontal rails 22, and the reinforcing plates 24 are connected by a connecting plate 26. The connecting plate 26 is a rectangular plate that is long in one direction, and four members having the same shape are provided. Each of the connecting plates 26 intersects with the longitudinal direction of the rail member 18 and connects the six rail members 18 with an equal interval between them. The four connecting plates 26 are attached to the lower ends of the columns 20 and are located at equal intervals across the longitudinal direction of the rail members 18, and the two connecting plates 26 are the ends of the rail members 18. It is attached in the vicinity. A gap between the pair of rail members 18 serves as an accommodation space 28 for accommodating the sign plate 64 of the construction regulation sign 60. Moreover, the part bent in the L shape of the lower end edge part of the reinforcement board 24 is piled up in parallel with the connection board 26, and is reinforcing the connection part.

  A contact plate 30 is fixed to one end of the rail member 18 in the longitudinal direction. The abutment plate 30 is positioned at the innermost end of the rail member 18 when the construction regulation sign 60 is loaded, and abuts the end of the sign pillar 62 so that the sign pillar 62 of the construction regulation sign 60 does not enter further. It is something to stop. As shown in FIG. 4, the contact plate 30 is a plate that is long in one direction, and the width that intersects the longitudinal direction is slightly longer than the width of the rail member 18. The upper end edge located at the upper end in the use state is formed in a semicircular shape at one end in the longitudinal direction, and the semi-cylindrical cover portion 32 of the contact plate 30 is formed along the upper end edge of the semicircular shape. It protrudes substantially at right angles to the plate surface and is provided integrally.

  The upper part of the cover part 32 has a semicylindrical shape and is opened downward. The lower end edge portion is formed in a straight line, and the lower end edge portion is provided with a small rectangular attachment portion 30a having a width that is shorter than the lower end edge portion and enters the width of the running surface 18a of the rail member 18, and abuts. The plate 30 is bent in an L shape substantially at a right angle. A mounting hole 34 is provided at the center of the mounting portion 30a. The contact plate 30 is fixed to the rail member 18 with bolts 36 and nuts 38 with the mounting holes 34 aligned with the mounting holes 19 of the rail members 18.

  A locking plate 40 is locked to the other end of the rail member 18 in the longitudinal direction. The locking plate 40 is positioned at the forefront of the rail member 18 when the construction regulation sign 60 is loaded, and contacts the end of the sign pillar 62 so that the sign pillar 62 of the loaded construction regulation sign 60 does not return. It stops moving. As shown in FIG. 5, the locking plate 40 is a plate that is long in one direction, and the width intersecting the longitudinal direction is slightly longer than the width of the rail member 18 but shorter than the contact plate 30, and the longitudinal direction. Is slightly longer than the contact plate 30. At one end in the longitudinal direction, at a position close to the upper end edge located above in use, a step with a wider width on the upper end edge is formed on both side edges along the longitudinal direction, and the upper end edge has a width. The semi-cylindrical cover part 42 is substantially formed with respect to the plate surface of the locking plate 40 along the upper edge of the semicircular shape. It protrudes at a right angle and is provided integrally.

  The cover portion 42 is shorter in the circumferential direction than the cover portion 32 of the contact plate 30 and is also shorter in the axial direction. The lower end edge of the locking plate 40 is formed in a straight line. A slit 44 is provided from the vicinity of the center of the locking plate 40 in the longitudinal direction to the vicinity of the lower edge.

  As shown in FIG. 5B, the locking plate 40 is attached to the rail member 18 via a receiving member 46. The receiving member 46 is formed by bending a rectangular plate into a U-shape, can be inserted into the hollow inner space from the end of the rail member 18, and a pair of side surfaces parallel to each other are connected to the upper surface of the rail member 18. It overlaps the lower surface from the inside. Mounting holes 48 communicating with the mounting holes 19 of the rail member 18 are formed on a pair of side surfaces parallel to each other. A mounting hole 50 is also formed in the center on the side surface of the center of the U-shape.

  In order to attach the locking plate 40 to the rail member 18, first, the locking plate 40 is overlapped with the mounting hole 50 of the receiving member 46 so that the slit 44 of the locking plate 40 communicates, and is locked by the thumbscrew 52. Next, the receiving member 46 is inserted into the inner space from the end of the rail member 18, the pair of mounting holes 48 are aligned with the pair of upper and lower mounting holes 19 of the rail member 18, and are fixed with bolts 36 and nuts 38. Thus, the locking plate 40 is attached to the end of the rail member 18 via the receiving member 46. The locking plate 40 can be rotated around the thumbscrew 52 when the thumbscrew 52 is loosened, and can be moved in the longitudinal direction of the slit 44 within the range of the length of the slit 44.

  The construction regulation sign storing and transporting frame 10 is provided with a traveling member 66 that is attached to the construction regulation sign 60 and that causes the rail member 18 of the base body 16 to travel when the construction regulation sign 60 is loaded onto the construction regulation sign storing and transporting base 10. ing. As shown in FIG. 6, the traveling member 66 is provided with a rectangular mounting plate 68 on which the marker column 62 of the construction regulation marker 60 is placed, and on the upper surface of the mounting plate 68 that is positioned above in the use state, 62 is placed. A rectangular attachment plate 70 is fixed to a side edge portion 68 a that forms one side of the placement plate 68. The mounting plate 70 is fixed at a substantially right angle to the plate surface of the mounting plate 68, and the vicinity of the side edge forming one side of the mounting plate 70 is continuous with the side edge 68 a of the mounting plate 68, and is L-shaped. It has become. A continuous portion of the mounting plate 68 and the mounting plate 70 is reinforced by a corner reinforcing plate 72 that is a right-angled triangular plate.

  The mounting plate 70 is formed such that the length in the direction along the side edge 68 a of the mounting plate 68 is slightly longer than the mounting plate 68, and both end portions protrude from the mounting plate 68. Mounting holes 74 are formed in the corners of the mounting plate 70. A U-bolt 76, which is a locking member that locks the marker column 62, is attached to the mounting hole 74. The U bolt 76 is formed by bending a stainless steel rod into a U shape, and male screws are formed at both ends. Two U-bolts 76 are provided on one mounting plate 70, and one U-bolt 76 is attached to each of a pair of four mounting holes 74 positioned up and down. The ends of the U bolts 76 are inserted into the pair of upper and lower mounting holes 74 from the surface on the mounting plate 68 side, protrude to the opposite surface, and are fixed by the nut 38.

  A caster 78 is fixed to the lower surface of the mounting plate 68 opposite to the protruding direction of the mounting plate 70. The shaft of the caster 78 is positioned substantially at a right angle to the side edge 68a of the mounting plate 68 and can run in the direction of the side edge 68a.

  Next, a method of using the construction regulation sign storage and transportation platform 10 of this embodiment will be described. First, the gantry body 16 is placed on the loading platform 14 of the transport vehicle 12. At this time, the end of the rail member 18 on the side of the locking plate 40 is positioned near the loading port 14a of the loading platform 14, and the end of the contact plate 30 side is positioned on the back side opposite to the loading port 14a. The gantry body 16 may be fixed to the cargo bed 14 as necessary.

  A traveling member 66 is attached to a sign post 62 of a construction regulation sign 60 that is a load. The mounting method is such that an arbitrary portion in the longitudinal direction of the marker column 62 is placed on the mounting plate 68 of the traveling member 66 in parallel to the side edge portion 68 a, and the U bolt 76 is put on the marker column 62 and both end portions of the U bolt 76. Is inserted into the mounting hole 74 of the mounting plate 70 and tightened with the nut 38 on the opposite side. Thereby, the traveling member 66 is attached to the marker column 62. The traveling member 66 is attached to two places, for example, near the end of the sign post 62 above the sign plate 64 and a part slightly below the sign plate 64. The traveling member 66 is attached so that the plate surface of the mounting plate 68 is substantially perpendicular to the marker plate 64.

  The construction regulation sign 60 to which the traveling member 66 is attached is loaded on the rail member 18 of the gantry body 16. At this time, the locking plate 40 is suspended so that the thumbscrew 52 is loosened so that the upper edge is positioned downward. When the thumbscrew 52 is positioned at the end of the slit 44 of the locking plate 40 and hangs down, the running surface 18a of the rail member 18 opens at the end of the rail member 18, and there is no obstacle. The construction regulation sign 60 is held in parallel to the rail member 18, the sign plate 64 is held at a substantially right angle with respect to the traveling surface 18a, and the traveling member 66 is placed on the traveling surface 18a. The caster 78 is placed on the running surface 18 a of the rail member 18. Then, the caster 78 is caused to travel while pushing the construction regulation sign 60. The end of the marker column 62 comes into contact with the contact plate 30 and stops and is positioned. The cover portion 32 of the contact plate 30 covers the side surface of the marker column 62 and suppresses rattling. Then, the locking plate 40 is rotated so that the upper edge is on the upper side, the cover portion 42 is lowered along the slit 44 to a position where it abuts on the side peripheral surface of the marker column 62, and the thumbscrew 52 is tightened to lock. To do.

  The position of the contact plate 30 is selected by attaching the mounting hole 19 of the traveling surface 18a according to the length of the marker column 62 to be loaded. The abutment plate 30 is sized so that the attachment portion 30a fits into the width of the traveling surface 18a, and can be moved and locked to the attachment hole 19 at an arbitrary position. As a result, the both ends of the marker column 62 can be positioned without being rattled between the contact plate 30 and the locking plate 40. It should be noted that any position of the marker column 62 may be attached to the rail member 18 by being appropriately wound with a tape member or the like (not shown). About half of the sign plate 64 is located in the accommodating space 28 between the pair of rail members 18 and does not contact the adjacent rail members 18 or the like. For example, when six rail members 18 are provided on the gantry body 16, six construction regulation signs 60 can be loaded. The number of rail members 18 is arbitrary and can be changed as appropriate.

  In a state where the construction regulation sign 60 is placed and locked on the gantry body 16, the transport vehicle 12 is driven and transported to the destination. When lowering the construction regulation sign 60 from the transporting vehicle 12, the thumbscrew 52 is loosened, the locking plate 40 is suspended, the sign post 62 is pulled from the loading port 14a, and the caster 78 is moved in the reverse direction on the traveling surface 18a. Drive, pull out from loading port 14a, and lower. The construction regulation sign 60 is installed at a necessary place with the nut 38 of the traveling member 66 and the U bolt 76 attached thereto. Since the construction control sign 60 is installed with the traveling member 66 attached, when the construction control sign 60 is removed after the construction period ends, it can be easily loaded again on the construction control sign storage and transportation platform 10.

  According to the construction regulation sign storage and transportation platform 10 of this embodiment, the construction regulation sign 60 can be easily loaded on the loading platform 14, and the marking column 62 of the construction regulation sign 60 is securely locked to the loading platform 14 during transportation. It can be stably transported against shaking. The construction regulation sign 60 having a shape that is difficult to handle in one direction is moved along the rail member 18 by moving the caster 78 to the back of the loading platform 14 with a small force, and is not rubbed by other members. It won't hurt. Since the marker column 62 is locked to the traveling member 66 by the U bolt 76, it does not fall even if it receives vibration during transportation, and can be transported safely. A plurality of construction regulation signs 60 can be held parallel to each other by inserting a sign plate 64 into a small accommodation space 28, and space is not taken up and transportation efficiency is good. Even if it receives the vibration of the transportation vehicle 12, it does not rub against the construction regulation sign 60 or other members, and is not damaged and can be transported safely. The load during loading is small, and an operator can easily and safely store and take out in a short time.

  In addition, since it can be loaded compactly on the loading platform 14, it can be loaded together with other materials and work machines. There is a degree of freedom when loading the gantry body 16 on the loading platform 14, and it can be placed on either the right side or the left side when viewed from the loading port 14 a of the loading platform 14. There are various types of marker columns 62 such as 4 m and 3.5 m. However, the position of the contact plate 30 can be adjusted without a gap by selecting and installing the mounting holes 19 and held without rattling. Can do. The cover portion 32 of the contact plate 30 and the cover portion 42 of the locking plate 40 cover the side peripheral surface near the end portion of the marker column 62 and can be reliably held. The locking plate 40 can be easily moved by loosening the thumbscrew 52, and does not get in the way when loading.

  The construction regulation sign storage and transportation platform of this embodiment is not limited to the above embodiment, the number of rail members can be changed as appropriate, and the angle at which the rail members are installed is limited to the above embodiment. It may be other than horizontal. The gantry body can be changed as appropriate, such as the number and structure of struts, crosspieces, connecting plates, and the size and presence of reinforcing plates. You may provide a crosspiece and a reinforcement board in the side surface of the both sides of one support | pillar, respectively. The shape of the contact plate and the locking plate can be changed, and any shape can be used as long as the end portion of the construction regulation sign can be positioned reliably. The gantry body and the traveling member may be made of a material other than stainless steel, and can be appropriately selected from iron, aluminum, resin, and the like. Luggage may be other than construction control signs. The means for transporting the construction regulation sign storing and transporting platform may be anything other than a transporting vehicle such as a ship, a railroad, or a cart.

DESCRIPTION OF SYMBOLS 10 Construction control sign storage transport frame 12 Transport vehicle 14 Loading platform 14a Loading port 16 Base body 18 Rail member 18a Running surface 20 Strut 26 Connection plate 28 Housing space 30 Contacting plate 40 Locking plate 60 Construction control sign 62 Sign post 64 Sign Plate 66 Traveling member 68 Mounting plate 70 Mounting plate 76 U bolt 78 Caster

  The running surface is formed in a groove shape opened upward. The construction regulation sign storage and transportation platform is provided with a platform body to be attached to the loading platform. The platform body has a plurality of rail members arranged at predetermined intervals, and the traveling directions of the traveling surfaces are substantially parallel to each other. positioned. The gantry body is provided with a support column that holds the rail member and a connecting plate that connects the support columns of the adjacent rail members. Between the pair of rail members, an accommodation space is provided in which a sign plate for the construction regulation sign is located.

Claims (4)

  A rail member having a traveling surface which is attached to a loading platform on which a load is placed at a predetermined height and which is continuous in the longitudinal direction is provided, and the traveling member having a caster capable of traveling on the traveling surface of the rail member is used as a sign post of a construction regulation sign A construction regulation sign storing and transporting platform, wherein the traveling member is provided with a latching member for latching the sign pillar of the construction regulation sign.   The running surface is provided with a gantry body that opens upward and is attached to the loading platform. The gantry body has a plurality of rail members arranged at predetermined intervals, and the running directions of the running surfaces are positioned substantially parallel to each other. The gantry main body is provided with a column for holding the rail member and a connecting plate for connecting the columns of the adjacent rail member to each other. The construction regulation sign storage and transportation stand according to claim 1, wherein a storage space in which the sign plate attached to the sign post is located is provided.   The rail member is provided along a direction in which the traveling direction of the traveling surface is directed from the loading port of the cargo bed toward the far side on the opposite side, and intersects the traveling surface at an end on the far side of the rail member. The construction regulation sign storing and transporting frame according to claim 1 or 2, wherein a contact plate is fixed, and a movable locking plate is locked to an end of the loading port.   The travel member attached to the sign post includes a placement plate on which the sign post is placed, an attachment plate attached so as to cross the placement plate, a caster that travels on the travel surface of the rail member, The construction regulation sign storage and transportation stand according to claim 1 or 2, wherein a locking member is provided, and the locking member is a U bolt attached to the mounting plate and wound around a side peripheral surface of the mark pillar.

Images