JP2002037593A - Device for moving temporary guard rail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for easily moving a temporary guard rail without the need for lift-up. SOLUTION: The temporary guard rail has a guard rail body 5 provided on a H-steel foundation member 2 having flanges 3, 3. The moving device 21 has mounting portions 22, 22 mounted on both flanges 3, 3, rotatable leg portions 24, 24 provided on the mounting portions 22, 22 at both sides so as to be rotatable on a rotating center axis 23 and a body 27 to which the rotatable leg portions 24, 24 are connected via connections 26. The lower parts of the rotatable leg portions 24 are provided with respective wheels 28. The body 27 is rotated by using a handle 35 to make the wheels 28 protruded downward from the H-steel foundation member 2. The temporary guard rail can be supported by the wheels 28 and moved using the wheels 28 in such a state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a moving device for moving a temporary guardrail.

[0002]

As a conventional temporary guardrail, Japanese Unexamined Patent Publication No. 7-300830 discloses a concrete band-shaped base member having a bottom plate and a rear surface opposite to a front wall rising at a side edge of a roadway of the bottom plate. Presenting a channel-shaped cross section that opens the ceiling made up of walls, in the groove of the base member,
There has been proposed a temporary device such as a guardrail in which a group of concrete blocks on which a post to which a guardrail or a fence is attached is erected is mounted at a desired interval in a rotationally immovable state.

[0003] Further, the same applicant has filed Japanese Utility Model Application No. 2000-32.
No. 92, an H-shaped steel base member composed of both flanges and a web, wherein the web is arranged in a horizontal direction, a continuous grounded lower edge of the flanges grounded at a temporary location,
The present invention proposes a temporary guardrail including a guardrail body having a plurality of columns detachably attached to the H-shaped steel base member, and a mounting member provided on the lower side of the columns (claims for utility model registration). ing.

[0004] Since the temporary guard rails described above are not fixed to the installation place, they can be easily removed after use.

By the way, in the above-mentioned temporary device, the bottom plate is placed in the installation place, and in the above-mentioned temporary guard rail, the continuous lower end edges of both flanges are placed in the installation place.
Although it can be lifted and moved using heavy equipment such as a crane, for example, even if it is moved on a trolley, it is necessary to use heavy equipment to put it on the trolley, and it is easy to move without using such heavy equipment I couldn't do it.

Therefore, the present invention does not require lifting,
It is an object of the present invention to provide a temporary guardrail moving device that can be easily moved.

[0007]

According to the present invention, there is provided a temporary guard rail moving device in which a gadrail body is provided on a base member having both side surfaces, wherein a mounting portion to be mounted on the both side surfaces and a mounting member on both sides are provided. A rotatable leg provided rotatably on the portion, a body connected to the rotatable legs above the center of rotation, a wheel provided on the rotatable legs below the center of rotation, An operation unit for rotating the main body to switch the wheel between a ground position and a non-ground position below the base member.

According to the first aspect of the present invention, the mounting portions on both sides are attached to both side surfaces, the operation portion is operated to rotate the main body, and the position of the wheel is switched to the grounding position, whereby the wheel is mounted. The ground member is grounded below the base member, that is, the base member is lifted up, and the temporary guardrail is supported by the wheel, and can be moved using the wheel as it is.

Further, the invention according to claim 2 is characterized in that the main body has a center of the wheel on one side of a rotation center of the rotating leg.
It has a contact part which contacts the upper part of the base member on the other side of the rotation center.

According to the second aspect of the present invention, the lower wheel receives a force to rotate further in one direction from one side of the rotation center due to the load of the guard rail. The contact portion abuts, so that the wheel does not further rotate in the one side direction,
Since the wheel is rotated in one direction, the wheel does not rotate in the other direction, and the guardrail can be stably supported at that position.

According to a third aspect of the present invention, a plurality of holes are formed in the side surface, and a bolt insertion hole communicating with the holes is provided in the mounting portion.

According to the configuration of the third aspect, the mounting portion can be fixed to the side surface by inserting a bolt into the bolt insertion hole of the mounting portion and the hole on the side surface and tightening.

According to a fourth aspect of the present invention, the engaging portion is provided with an engaging pin which engages with the other hole.

According to the structure of the fourth aspect, the mounting portion is fixed to the side surface by bolts, and the engaging pin is engaged in another hole, so that it can be fixed in a detent state and can be fixed with one bolt. Becomes

[0015]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 7 show a first embodiment of the present invention. First, as shown in the figure, as an example of a temporary guardrail, the temporary guardrail includes a plurality of unit bodies 1 each having a predetermined length, and this unit body 1 has an H-shaped steel base member 2 and a guardrail body 5. . The H-section steel base member 2 is formed by connecting flanges 3, 3 constituting both side surfaces by a web 4, and is installed at a temporary location with the web 4 lying sideways.
The lower edge 3F, 3F of which one side edge is continuous in the length direction
Becomes That is, these grounding lower edges 3F, 3F are placed in contact with a road or the like at a temporary location. The other side edges of the flanges 3 and 3 on both sides are upper edges continuous in the length direction.
A curved portion 5A is provided at the longitudinal end of the guardrail body 5.
And the guardrail body 5 is provided with the H-shaped steel base member 2.
And the guardrail body 5 has a plurality of columns 6, 6, and 6, for example, about 5 meters. A mounting member 7 having a substantially U-shaped cross section and an opening facing downward is welded to the lower end of the support 6.
Vertical piece portions 7A, 7 along both flanges 3, 3 on both sides
And a plurality of holes 8 serving as mounting holes are formed in these vertical piece portions 7A. A plurality of holes 9 as mounting holes are formed in the flange 3 in the upper and lower directions, and a nut 10A is screwed into a bolt 10 inserted in the holes 8 and 9 to make the H.
The column 6 is detachably attached to the shaped steel base member 2.
In the drawing, reference numeral 11 denotes a central inner surface of the mounting member 7 and one vertical piece 7.
A reinforcing rib fixed to the inner surface of A.

The moving device 21 has plate-like mounting portions 22, 22 provided along the flanges 3, 3, and a rotation center shaft 23 serving as a rotation center protrudes from an outer surface of the mounting portion 22, and the moving device 21 has A rotation leg 24 is provided which is rotatable about a rotation center axis 23, and the rotation center axis 23 is slidable in the length direction of the rotation center axis 23 together with the rotation center axis 23 as shown by an arrow Y. The rotation center shaft 23 is provided at the end thereof with a stopper 25 for preventing the rotation leg 24 from coming off. The mounting portion 22 is detachably fixed to the base member 2 at a position other than the grounding lower edge 3F serving as the bottom surface of the H-shaped steel base member 2, that is, at a position other than the grounding position. The upper portions of the rotating legs 24, 24 on both sides are connected by a connecting portion 26, and the rotating legs 24, 24 and the connecting portion 26 constitute a main body 27. A wheel 28 is provided at a lower end of the rotating leg 24, and the wheel 28 is provided below the rotation center shaft 23.
Reference numeral 28 denotes a swivel caster, and a frame portion is provided below the mounting plate portion 28A.
28B is provided so as to be rotatable about a vertical axis 28C.
A wheel 28 is rotatably provided on B at a horizontal shaft portion 28D.

A bolt insertion hole 31 is formed on the upper side of the mounting portion 22 corresponding to the upper and lower holes 9, 9, and an engagement pin 32 for engaging the hole 9 is formed on the lower side on the inner surface. The upper bolt insertion hole 31 is a hole, and the lower engagement pin is inserted into the lower hole 9, and the nut 34 is inserted into the bolt insertion hole 31 and the bolt 33 inserted into the hole 9. By screwing, the mounting portion 22 is removably mounted on the flange 3.

A base end of a handle 35 serving as an operation part is fixed to the upper part of the one of the turning legs 24 in a direction crossing the turning leg 24, and by operating the handle 35, the main body 27 is turned. The wheel 28 can be switched between a non-contact position where the wheel 28 is above the lower contact edge 3F and a contact position where the wheel 28 is below. In this example, the connecting portion 26 is in contact with the upper edge 3U. The contact portion restricts the range of rotation of the wheel 28 to one side and the other side of the rotation center shaft 23, and as shown by a solid line in FIG. 1, one side from the rotation center shaft 23 (in FIG. 1, When the wheel 28 touches the ground on the left side), the connecting portion 26 abuts on the upper edge 3U on the other side (the right side in FIG. 1) of the rotation center shaft 23, and the vertical shaft 28C
The center of the wheel 28 is set so that the shaft 28D is located on one side of the rotation center shaft 23 even when the wheel 28 is horizontally rotated about the center of the wheel 28 and the shaft 28D is shifted toward the other side.

Further, a stopper 41 is attached to the rotating leg 24.
Is inserted movably inward and outward, and a cylindrical body 42 is provided outside the rotating leg portion 24. A stopper 41 is inserted through the cylindrical body 42 so as to be able to advance and retreat, and the tip of the stopper 41 is Abuts against the other side edge of the mounting portion 22 to stop the lower end of the rotating leg portion 24 from rotating in the other direction, and presses the screw 43 screwed into the cylindrical portion 42 against the outer surface of the stopper 41. By doing so, the stopper 41 can be fixed.

Next, the method of using the moving device will be described. The rotating legs 24, 24 are arranged so as to sandwich the H-shaped steel base member 2 from both sides, and the engaging portions 22 are moved outward in advance. The dowel pin 32 is inserted into the lower hole 9, the bolt insertion hole 31 is aligned with the upper hole 9, the bolt 33 is inserted into the bolt insertion holes 31, 9, and the nut 34 is screwed into the flange 3. The mounting part 22 is fixed. Thus, the lower side is the engagement pin 32
By using only one bolt 33, the mounting portion 22 can be prevented from rotating and fixed, and the operation of the nut 34 can be easily performed because the operation can be performed between the opened flanges 3 and 3. Next, when the handle 35 is turned so as to be pulled down, the wheel 28 is turned from the non-contact position, and after touching, is moved to a contact position on one side below the rotation center shaft 23, where the main body 27 is turned.
Of the flange 3 is provided on the upper edge 3U of the flange 3. In this case, since the distance between the rotation center axis 23 and the tip of the handle 35 is set sufficiently large with respect to the distance between the rotation center axis 23 and the wheel 28, the guardrail is moved with a relatively small force by the principle of leverage. Can be lifted. Further, the connecting portion 26
At the position where it abuts on the upper edge 3U on the other side above the rotation center shaft 23, the lower portion of the wheel 23 is below the grounding lower edge 3F of the flange 3, the H-shaped steel base member 2 is lifted up, and is supported by the wheel 28, In this state, the wheel 28 is horizontally rotated, and the shaft 28D
3, as shown in FIG. 3, since the shaft portion 28D is located on one side of the rotation center shaft 23, even if a load of the guard rail is applied, the lower portion of the rotating leg portion 24 does not turn to the other side. .
In FIG. 3, a vertical imaginary line 23S passing through the center of the rotation center axis 23 and a shaft portion at a position where the shaft portion 28D is closer to the other side.
A vertical imaginary line 28S passing through the center of 28D is shown. In addition, by locking the stopper 41 to the other side edge of the mounting portion 22 or the guard rail side at the ground contact position, the direction of the rotating leg portion 24 can be fixed. Thus, at least the H-shaped steel support member 2
Are supported by moving devices 21 and 21 in the longitudinal direction of the
The guardrail can be moved as it is.

Then, when the moving place is reached, the stopper 41
When the connecting portion 26 is rotated to the upper edge 3U above one side of the rotation center shaft 23 by turning the tip of the handle 35 upward and the wheel 28 is in the non-ground position, In the reverse order, loosen the nut 34, pull out the bolt 33, and
And remove the moving device 21 from the guardrail.

As described above, in the present embodiment, the temporary guard rail moving device in which the gadrail main body 5 is provided on the H-shaped steel base member 2 which is the base member having both flanges 3 and 3 on both sides corresponding to the claim hole 1. 21, mounting portions 22, 22 to be attached to both flanges 3, 3, and mounting portions 22, 22 on both sides thereof.
The pivot legs 24, 24 are provided rotatably on the
The main body 27 is connected above the rotation center axis 23, which is the center of rotation, of the rotation legs 24, 24, the wheel 28 provided on the rotation leg 24 below the rotation center axis 23, and the main body 27 is rotated. Since a handle 35 is provided as an operating portion for switching the wheel 28 between a grounded position and a non-grounded position below the H-shaped steel base member 2 by operation, the mounting portion 22 is attached to the flange 3 and the handle 35 is operated to operate the main body 27. Is turned to switch the position of the wheel 28 to the ground contact position, so that the wheel 28 comes into contact with the ground below the H-shaped steel base member 2, that is, the H-shaped steel base member 2 is lifted, and the temporary guard rail is moved by the wheel 28. Is supported and the wheels are intact
You can move using 28.

Further, as described above, in the present embodiment, claim 2
In response to the above, when the main body 28 has a shaft portion 28D which is the center of the wheel 28 on one side of the rotation center shaft 23 which is the rotation center of the rotation leg portion 24,
Since there is a connecting portion 26 as an abutting portion that abuts on the upper portion of the H-shaped steel base member 2 on the other side of the rotation center, the lower wheel 28 tries to further rotate in one direction from one side of the rotation center due to the load of the guardrail. On the other hand, when the connecting portion 26 abuts on the upper portion of the H-shaped steel base member 2, the wheel 28 does not further rotate in the one side direction, and also in the one side direction. Because it is receiving the power to rotate,
The wheel 28 does not rotate in the other direction, and the guardrail can be stably supported at that position.

Further, as described above, in the present embodiment, claim 3
A plurality of holes 9 are formed in the flange 3, which is the side surface, and a bolt insertion hole 31 communicating with the hole 9 is provided in the mounting portion 22, so that the bolt insertion hole 31 of the mounting portion 22 and the hole of the flange 3 are formed. By attaching the bolt 33 to the bolt 9 and tightening it, the mounting portion 22 can be fixed to the side surface of the base member.

As described above, in the present embodiment, claim 4
In response to the above, the engaging pin 32 that engages with the other hole 9 in the mounting portion 22.
Since the mounting portion 22 is fixed to the flange 3 by the bolt 33 and the engaging pin 32 is engaged with the other hole 9, it can be fixed in a non-rotating state, and the single bolt 33 can be fixed.

As an effect of the embodiment, the engaging pin 32 is engaged with the hole 9 below the web 4 and the bolt 33 is inserted into the hole 9 above the web 4, so that the position of the upper hole 9 is In this case, since the hand is provided between the flanges 3 and 3, the bolt 33 can be easily tightened. In addition, since the hole 9 is provided in the H-shaped steel base member 2 outside the column 6, the connecting portion 26 can be connected to the H-shaped steel base member 2 without removing the guardrail body 5 from the longitudinal end of the H-shaped steel base member 2. The main body 27 can be set so as to be located on the upper part of the base member 2. Furthermore, in the present embodiment, a temporary guardrail that moves by using the moving device 21 according to claim 3, wherein the side surface is a flange 3, and the base member connects the flanges 3 on both sides by a web 4. Since a plurality of holes 9 and 9 are formed above and below the flange 3, the bolt 33 is inserted through the bolt insertion hole 31 of the mounting portion 22 and the hole 9 of the flange 3 and tightened to form an H-shaped steel. By fixing the mounting portion 22 to the side surface of the steel base member 2 or inserting the engaging pin 32 into the hole 9, the mounting portion 22 can be easily attached and detached, and can be moved using the transfer device 21 of the present invention. An easy temporary guardrail can be provided.

FIG. 8 shows a second embodiment of the present invention. The same parts as those in the above embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. A plurality of bolt insertion holes 31 are provided on both sides corresponding to the holes 9 in a T-shape.
Through the bolt 33, tighten the nut 34, the mounting part 22
It is fixed to the flange 3 by the bolts 33 at the locations, and the mounting portion 22 can be fixed by the plurality of bolts 33 in this manner.

The present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the present invention. For example, various means other than bolts can be used for attaching the attachment portion to the side surface. Even when bolts are used, nuts are not required if the holes on the side surfaces are formed as female threads. Also, the base member is not limited to the H shape,
It may be U-shaped. Further, the guardrail body 5 may be provided integrally with the H-shaped steel base member.

[0029]

According to the first aspect of the present invention, there is provided a temporary guard rail moving device in which a gadrail main body is provided on a base member having both side surfaces, wherein the mounting portions mounted on the both side surfaces and the mounting portions on both sides are rotated. A body provided with legs rotatably provided and connected to each other at a position above the rotation center, a wheel provided at the rotation leg below the center of rotation, and a rotation of the body. Provided is an operation section for switching the wheel between a grounded position below the base member and a non-grounded position by operating the wheel, and does not need to be lifted, and provides a temporary guardrail moving device that can be easily moved. .

Further, according to the invention of claim 2, when the main body has the center of the wheel on one side of the rotation center of the rotating leg,
The present invention provides a temporary guardrail moving device which has a contact portion which comes into contact with an upper portion of the foundation member on the other side of the rotation center, and which can be easily moved without the need for lifting.

The invention according to claim 3 is characterized in that a plurality of holes are formed in the side surface, and a bolt insertion hole communicating with the hole is provided in the mounting portion. Provided is a moving device of a temporary guardrail that can move.

According to a fourth aspect of the present invention, there is provided a temporary guardrail which is provided with an engaging pin for engaging the other hole in the mounting portion, and does not need to be lifted and can be easily moved. Provide a mobile device.

[Brief description of the drawings]

FIG. 1 is a side view showing a first embodiment of the present invention.

FIG. 2 is a partially cutaway front view showing the first embodiment of the present invention.

FIG. 3 is a side view around a rotation leg showing the first embodiment of the present invention.

FIG. 4 is a front view of a guardrail according to the first embodiment of the present invention.

FIG. 5 is a side view of a support and a mounting member according to the first embodiment of the present invention.

FIG. 6 is a partially cutaway side view of the guardrail showing the first embodiment of the present invention.

FIG. 7 is a plan view of a guardrail showing the first embodiment of the present invention.

FIG. 8 is a side view around a mounting portion showing a second embodiment of the present invention, in which a rotation center axis is a cross section.

[Explanation of symbols]

 2 H-section steel base member (base member) 3 Flange (side surface) 9 Hole 21 Moving device 22 Mounting part 23 Center of rotation (center of rotation) 26 Connecting part (contact part) 27 Main body 28 Wheel 28D Shaft (center of wheel) ) 31 Bolt insertion hole 32 Engagement pin 33 Bolt 35 Handle (operation unit)

Claims (4)

[Claims] 1. A temporary guardrail moving device having a base member having a guardrail body on a base member having both side surfaces, wherein a mounting portion to be mounted on the both side surfaces, and a rotating leg portion can be rotated by the mounting portions on both sides. In addition, a main body in which these turning legs are connected above the center of rotation, a wheel provided in the turning legs below the center of rotation, and a turning operation of the main body so that the wheels A moving device for a temporary guardrail, comprising: an operation unit for switching between a ground contact position below a base member and a non-contact position. 2. The apparatus according to claim 1, wherein the main body has a contact portion that contacts the upper portion of the base member on the other side of the rotation center when the center of the wheel is on one side of the rotation center of the rotating leg portion. The moving device for a temporary guardrail according to claim 1. 3. The temporary guard rail moving device according to claim 1, wherein a plurality of holes are formed in the side surface, and a bolt insertion hole communicating with the holes is provided in the mounting portion. 4. The moving device for a temporary guardrail according to claim 3, wherein an engaging pin is provided on the mounting portion to be engaged with the other hole.