JP2019049279A - Pedestal device suitable to install equipment for observing flow condition of river or the like on bridge handrail - Google Patents

Abstract

To solve the problem that a convenient pedestal device is not available which flexibly matches bridge handrails in various styles and then observation equipment cannot be fixed tightly to the bridge handrail through easy work.SOLUTION: A handrail fitting part is lashed to a bridge handrail with two ratchet type lashing belts while mounted on an upper surface part of the bridge handrail at a predetermined place with four grounding pads. Separately from this work, work to join an equipment fitting part in a predetermined region of the observation equipment and then tightly fix it with an equipment coupler is performed, and then the equipment fitting part can be positioned and mounted on the handrail fitting part lashed to the bridge handrail and tightly fixed with a pull stop type toggle clamp.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a pedestal apparatus suitable for stably installing equipment (for example, an imaging device, radio wave current meter, Doppler hydrographic radar, etc.) for observing the flow condition of a river, etc. in a bridge column, in particular The present invention relates to a pedestal device having a structure designed to flexibly fit various forms of bridge columns.

  A bridge is suitable and convenient from various points of view as a place to observe the flow conditions of rivers. Therefore, observation instruments are often installed on the bridge to continue observation. Recently, advanced information and communication technology has been applied to measurement systems for river observation, and after equipment has been installed at a predetermined location on a bridge, people leave the site and process observation data with a remote monitoring system. Is usually done.

  For better river management, it is effective to increase the number of observation points, and it is desirable to install equipment for observation on a number of bridges over the river and incorporate it into the remote monitoring system. Therefore, it is possible to install the observation equipment at a predetermined position of the bridge in a short time with a simple operation, keep the installed observation equipment in a stable posture for a long time, and easily remove the observation equipment installed. What can be done by work is required.

  From the above, there are many cases where balustrades are selected as specific places for installing observation equipment on bridges. As well known, bridge columns are made in various forms depending on the size and structure of the bridge. Under such circumstances, convenient pedestal devices that flexibly fit various forms of bridge columns have not been developed so far, so various fixing devices and fasteners for construction and the like are used in the field site. It is the present condition that the observation equipment is installed in the open space while devising it, and it has not been able to sufficiently meet the above-mentioned request. In addition, since these fasteners and fasteners are screw mechanisms, it is also a problem that the column is easily damaged.

The pedestal device according to the present invention created from the above viewpoint is specified by the following items (1) to (9).
(1) The pedestal device is composed of a balustrade attachment portion and a device attachment portion (2) The balustrade attachment portion is mainly composed of a main body substrate consisting of a rectangular rigid metal flat plate, and the upper surface central portion of this body substrate The positioning frame for positioning the equipment mounting part is integrally fixed to (3) The equipment mounting part mainly consists of a top plate consisting of a rectangular rigid metal flat plate smaller than the main body substrate, A side plate integrated so as to hang downward from the two short sides of the top plate is provided. (4) The device mounting portion is such that the outer shape formed by the top plate and the side plate is in contact with the positioning frame (5) The device mounting part is provided with a device connector at the center of the upper surface plate, whereby the observation device is installed. Above the bottom of It is possible to firmly fix both in a state of being joined to the upper surface of the face plate. (6) The device attachment portion is provided with a plurality of pull-off type toggle clamps fixed to the upper surface plate. The device mounting portion is firmly fixed to the box mounting portion by hooking and clamping the pull-off type toggle clamp with the plurality of hooks fixed to each other and with the device mounting portion positioned and mounted on the box mounting portion (7) The balustrade mounting portion is provided with two ground pads projecting downward on the lower surface of both end portions of the main body substrate, and these four ground pads are in contact with the top surface portion of the bridge balustrade. Place in contact (8) The balustrade mounting section is in front of the two ratchet type lashing belts that are bridged around the bridge balustrade in a state of being in contact with the upper surface portion of the bridge balustrade. Each end of the main body substrate is fastened to each other by fastening to the bridge column (9) The main mounting portion is for passing the wide belt of the ratchet type lashing belt on the upper surface side of the both end portions of the main body substrate. A pair of belt threading fixtures is fixed at a predetermined distance, and the spacing portion of the pair of belt threading fasteners is a mounting area of the ratchet body of the ratchet type lashing belt.

  Since the balustrade attaching portion is fixed to the bridge balustrade by two ratchet type lashing belts in a state of being mounted with the four ground pads on the upper surface portion of the predetermined place of the bridge balustrade, various forms of the bridge balustrade Can be applied flexibly and will not damage the bridge column. Also, apart from the work of securing the balustrade mounting portion with the ratchet type lashing belt, the equipment mounting portion is joined to a predetermined portion of the observation equipment and firmly fixed by the equipment connecting tool. By positioning and mounting the device mounting portion on the bound high-field mounting portion and firmly fixing the device mounting portion with the non-return type toggle clamp, the desired operation is completed. Therefore, it is very easy to install and remove observation equipment on the bridge column.

A perspective view of the disassembled state of the multi-column mounting unit 1 and the device mounting unit 2 The perspective view of the combination state of the balustrade attaching part 1 and the apparatus attaching part 2 Front view and front sectional view of combined state of the balustrade mounting portion 1 and the device mounting portion 2 Side view of the combined state of the balustrade mounting portion 1 and the device mounting portion 2 Specific example of the state where the observation equipment was grounded to the bridge column using the pedestal device

=== Basic Configuration of the Column Mounting Unit 1 and the Device Mounting Unit 2 ===
FIG. 1 is a perspective view of a state in which the column mounting unit 1 and the device mounting unit 2 constituting the pedestal device are separated. FIG. 2 is a perspective view of the state where the device mounting unit 2 is positioned and mounted on the column mounting unit 1 FIG. FIG. 3 and FIG. 4 also show a state in which the device attachment portion 2 is combined with the box attachment portion 1.

  As shown in FIG. 1, the multi-column mounting portion 1 is mainly configured of a main body substrate 3 made of a rectangular rigid metal flat plate. Positioning frame bodies 4a and 4b for positioning the device mounting portion 2 are integrally fixed to a central portion of the upper surface of the main body substrate 3.

  The device mounting portion 2 mainly includes an upper surface plate 5 made of a rectangular rigid metal flat plate smaller than the main body substrate 3 and integrally bent so as to hang downward from two short sides of the upper surface plate 5. The side plates 6a and 6b are provided.

  The distance between the positioning frames 4a and 4b of the main mounting portion 1 is substantially equal to the length of the top side plate 5 of the equipment mounting portion 2 (the distance between the side plates 6a and 6b). Further, the length dimensions (opposite dimensions of the U-shaped portions) of the positioning frames 4a and 4b are substantially equal to the short side dimensions of the top plate 5.

  As shown in FIGS. 2 to 4 as configured as described above, the external shape of the device mounting portion 2 including the top plate 5 and the side plates 6a and 6b is the positioning frame 4a or 4b. It is detachably fitted to the high-column mounting portion 1 so as to be in contact with it and positioned and mounted on the high-column mounting portion 1.

=== Connection structure of equipment mounting part 2 and observation equipment ===
The device mounting portion 2 includes the device connector 7 at the center of the upper surface plate 5, and thereby the two can be firmly fixed in a state where the bottom surface of the observation device is joined to the upper surface of the upper surface plate 5 ( See Figure 5). The device connector 7 of this embodiment is a bolt screwed into a central screw hole of the top plate 5.

  In the actual use example shown in FIG. 5, the observation devices are the camera 20 and the camera platform 21. The camera 20 is mounted on the camera platform 21, and the bottom surface of the camera platform 21 is joined onto the top plate 5 of the device mounting portion 2 and firmly fixed by the device connector (bolt) 7.

=== Combined structure of box mounting part 1 and equipment mounting part 2 ===
The device mounting portion 2 includes four detent-type toggle clamps 8 fixed to the four corners of the top plate 5. Corresponding to this, the balustrade attachment portion 1 is provided with four hooks 9 integrally fixed to the positioning frame bodies 4a and 4b.

  In a state where the device mounting portion 2 is positioned and placed at the center of the multi-column mounting portion 1 as described above, the four detent type toggle clamps 8 of the device mounting portion 2 are hooked and clamped to the four hooks 9 respectively. Thus, the device mounting portion 2 can be firmly fixed to the cross mounting portion 1 (see FIG. 5).

=== Connecting structure of cross section mounting part 1 and bridge cross section ===
As shown in FIG. 3 and FIG. 4, the balustrade attaching portion 1 is provided with two ground pads 10 in a downward projecting state on the lower surface of both end portions of the main body substrate 3, and these four grounding pads 10 are bridge bales Is placed in contact with the upper surface portion of (see FIG. 5). The ground pad 10 is made of rubber or hard plastic having some elasticity, and is firmly screwed to the main substrate 3.

  As shown in FIG. 5, the balustrade attaching portion 1 is in contact with the upper surface portion of the bridge balustrade by the four ground pads 10, and the main body substrate 3 is formed by two ratchet type lashing belts 11 wound around the bridge balustrade. Is fixed to the bridge column by tightening each end portion of the bridge.

  In order to securely and securely fasten the balustrade attachment portion 1 with the ratchet type lashing belt 11, the ratchet type lashing belt 11 is provided on the upper surface side of both end portions of the main body substrate 3 in a simple manner and reliably. A pair of belt passing fasteners 12 for passing the wide belts of the above are fixed at predetermined intervals. Further, the space between the pair of belt-passing metal fittings 12 and 12 is an area where the ratchet body 13 of the ratchet type lashing belt is placed and accommodated.

  As shown in FIG. 5, the lashing belts 11 are passed through one of the belt through-fittings 12 at both end portions of the high-column mounting portion 1 and the ratchet body 13 is accommodated in the space between the two belt passing throughs 12 facing each other. Do. Then, the belt 11 having passed through one of the metal fittings 12 is wound around the bridge column, and the tip end of the belt is attached to the ratchet body 13 through the other metal fitting 12. Then, the handle of the ratchet body 13 is repeatedly moved to tighten the lashing belt 11.

=== Summary ===
As described above, the balustrade attachment portion 1 is in contact with the upper surface portion of the bridge balustrade by the four ground pads 10, and the two ratchet type lashing belts 11 looped around the bridge balustrade are used for the main body substrate 3 It is fixed to the bridge column by tightening each end. Before or after the fixing work, as described above, the observation device (camera 20 and camera platform 21) is fixed to the device mounting portion 2 by the device connecting tool (bolt) 7, and four device mounting portions 2 are further provided. By fixing the holding column type toggle clamp 8 to the column mounting portion 1, the observation device can be firmly and stably installed on the bridge column in the manner as shown in FIG.

  In order to withdraw the equipment after the observation is finished, first release the connection by the holding type toggle clamp 8, remove the observation device and the device mounting unit 2 from the cross section mounting unit 1, and then release the locking by the ratchet type lashing belt 11. Remove the mounting post 1 from the bridge column.

  As described above in detail, by using the pedestal device according to the present invention, the functions of the four ground pads and the two ratchet type lashing belts can stably mount the balustrades 1 in various forms of bridge fields. Can be installed and firmly fixed. In addition, after separately installing the cross mounting portion 1 on the bridge cross column and the work of coupling the observation device to the device mounting portion 2, the device mounting portion 2 is attached to the cross mounting portion 1 by the retaining toggle clamp 8. Workability is extremely good because it can be fixed securely. Of course, the workability of removing the equipment is also good. In addition, because it is a belt fixed type, there is no concern to damage the bridge column.

  DESCRIPTION OF SYMBOLS 1 ... Column installation part, 2 ... Equipment attachment part, 3 ... Main body board | substrate, 4a * 4b ... Positioning frame, 5 ... Top plate, 6a * 6b ... Side plate, 7 ... Equipment connection tool, 8 ... Retracting type toggle clamp, 9: Hook, 10: Grounding pad, 11: Ratchet type lashing belt, 12: Belt thread, 13: Ratchet body, 20: Camera, 21: Head.

Claims (2)

A pedestal apparatus specified by the following items (1) to (9).
(1) The pedestal device is composed of a balustrade attachment portion and a device attachment portion (2) The balustrade attachment portion is mainly composed of a main body substrate consisting of a rectangular rigid metal flat plate, and the upper surface central portion of this body substrate The positioning frame for positioning the equipment mounting part is integrally fixed to (3) The equipment mounting part mainly consists of a top plate consisting of a rectangular rigid metal flat plate smaller than the main body substrate, A side plate integrated so as to hang downward from the two short sides of the top plate is provided. (4) The device mounting portion is such that the outer shape formed by the top plate and the side plate is in contact with the positioning frame (5) The device mounting part is provided with a device connector at the center of the upper surface plate, whereby the observation device is installed. Above the bottom of It is possible to firmly fix both in a state of being joined to the upper surface of the face plate. (6) The device attachment portion is provided with a plurality of pull-off type toggle clamps fixed to the upper surface plate. The device mounting portion is firmly fixed to the box mounting portion by hooking and clamping the pull-off type toggle clamp with the plurality of hooks fixed to each other and with the device mounting portion positioned and mounted on the box mounting portion (7) The balustrade mounting portion is provided with two ground pads projecting downward on the lower surface of both end portions of the main body substrate, and these four ground pads are in contact with the top surface portion of the bridge balustrade. Place in contact (8) The balustrade mounting section is in front of the two ratchet type lashing belts that are bridged around the bridge balustrade in a state of being in contact with the upper surface portion of the bridge balustrade. Each end of the main body substrate is fastened to each other by fastening to the bridge column (9) The main mounting portion is for passing the wide belt of the ratchet type lashing belt on the upper surface side of the both end portions of the main body substrate. A pair of belt threading fixtures is fixed at a predetermined distance, and the spacing portion of the pair of belt threading fasteners is a mounting area of the ratchet body of the ratchet type lashing belt.   The pedestal apparatus according to claim 1, wherein the number of the non-return toggle clamps is fixed to four corners of the upper surface plate of the device mounting portion, and a total of four are provided.