JP7128767B2 - Tunnel ceiling surface cleaning device - Google Patents

Description

Article 30, Paragraph 2 of the Patent Act applies ・DVD version of 2018 JSCE National Convention Proceedings (issued on August 1, 2018, published by JSCE) ・2018 JSCE National Convention, 73rd year Next academic lecture (August 29-31, 2018, held at Hokkaido University Sapporo Campus) ・Okumura Gumi Technical Research Annual Report No. 44 (published by Okumura Gumi Co., Ltd. on September 1, 2018)

TECHNICAL FIELD The present invention relates to a tunnel ceiling surface cleaning apparatus, and more particularly to a tunnel ceiling surface cleaning apparatus for cleaning the ceiling surface of a box culvert-type tunnel using a dry cleaner.

For example, many box culvert tunnels have been constructed on roads such as the Metropolitan Expressway, railway lines such as subways, and drainage facilities such as discharge culverts, many of which have been in service for 30 years or more. has passed. For this reason, various kinds of repair work, including prevention of spalling of concrete pieces, etc., are being carried out on old box culvert type tunnels. For repair work of a box culvert type tunnel, for example, when performing surface treatment work (ground preparation work) by grinding the inner wall surface of the tunnel, surface treatment work by grinding the inner wall surface of such a box culvert tunnel For example, when attempting to manually clean the inner wall surface of a tunnel using a known cleaning device, particularly for the ceiling surface of the tunnel, the work must be done while facing upward, which not only results in a difficult work, It requires a lot of labor and is difficult to work efficiently.

For this reason, the applicant of the present application has developed a tunnel ceiling surface cleaning device that enables speedy and efficient cleaning of the ceiling surface of, for example, a box culvert type road tunnel. (See, for example, Patent Literature 1 and Patent Literature 2). According to the cleaning device of Patent Document 1 and the cleaning method of Patent Document 2, the tunnel ceiling surface cleaning device includes an outrigger section, a pedestal section, a dry cleaner, a moving rail section for the dry cleaner, and the like. It is loaded onto the platform of the transport vehicle and is moved by the transport vehicle to just below the location where the ceiling surface of the tunnel is to be cleaned. In addition, in the areas where the ceiling surface is to be cleaned, the outriggers are used to adjust the pedestal so that it is horizontal, and then the moving rails installed on top of the pedestal are adjusted so that they are parallel to the ceiling. The ceiling surface is cleaned while the cleaner is moved back and forth and right and left along the moving rail.

Further, according to the cleaning device of Patent Document 1, the ceiling surface of a box culvert type tunnel for road tunnels is efficiently cleaned. The drive mechanism that drives the unit, pedestal, dry abrasive cleaner, moving rail, etc., and the control panel that integrates the control system that controls these drives are connected via connection means such as one-touch joints, cam locks, and connectors. are connected directly by bundled cables to control these drive mechanisms, for example by a hand switch.

JP 2017-40103 A JP 2017-40104 A

On the other hand, in recent years, the above-mentioned box culvert type road tunnel ceiling surface grinding and cleaning device of Patent Document 1 has been improved to be used for various other box culverts other than road tunnels, such as railway tunnels and discharge culverts. By using a cleaning device equipped with the main structure of the ceiling surface cleaning device for road tunnels, even for tunnels of the type, automation of the cleaning work of the ceiling surface can be achieved efficiently. It is being considered to be able to grind the ceiling surface of the tunnel. In addition, in order to apply such a ceiling surface cleaning device to various types and shapes of box culvert tunnels, it is necessary to: We have replaced the dry abrasive cleaner, moving rails, etc. with drive mechanisms of different standards, determined whether or not a lifting device that raises and lowers the platform is necessary, and added other necessary devices. It is necessary to increase the degree of freedom in design.

However, in the above-mentioned conventional ceiling surface cleaning apparatus, its application was limited to cleaning the ceiling surface of box culvert type road tunnels, so the degree of freedom in design was low, and other various types and shapes were used. To make it applicable to box culvert type tunnels, major improvements will be required. For this reason, while maintaining the configuration of the main parts of the above-mentioned conventional road tunnel ceiling surface cleaning apparatus, it is designed so that it can be applied to other various types and shapes of box culvert type tunnels. It is desired to develop a new ceiling surface cleaning device with an improved degree of freedom.

The present invention improves the freedom of design so that it can be applied to box culvert type tunnels of various types and shapes while maintaining the structure of the main part of the ceiling surface cleaning device for road tunnels. It is an object of the present invention to provide a ceiling surface cleaning device capable of

The present invention is a tunnel ceiling surface cleaning apparatus for cleaning the ceiling surface of a box culvert type tunnel using a dry cleaner, comprising: a base frame portion movable in the tunnel; driving of at least the dry abrasive cleaner movable in the extending direction of the tunnel and in the widthwise direction orthogonal thereto along a moving rail portion attached to the upper surface of the frame; and a control panel for controlling the movement of the dry abrasive cleaner along the moving rail portion, and is interposed between the control panel, the dry abrasive cleaner, and the moving rail portion. , a master repeater having a plurality of connection ports connected to the control panel, and through a control cable having connectors at both ends, the master repeater, the dry abrasive cleaner and A tunnel ceiling surface cleaning device that can control the driving and movement of the dry type cleaning machine by a hand controller connected to the control panel by connecting each of the slave relays provided on the moving rail section. The above object is achieved by providing

In the tunnel ceiling surface cleaning apparatus of the present invention, the base frame portion is supported by the base portion and includes an elevating frame portion which is provided so as to be elevable by an elevating device, and connectors are provided at both ends. By connecting the master repeater and the lifting device via the provided control cable, it is preferable that the elevation of the lifting frame section by the lifting device can be controlled by a hand controller connected to the control panel.

Further, in the tunnel ceiling surface cleaning and cleaning apparatus of the present invention, the base frame portion has a rectangular planar shape, and the moving rail portion is composed of a short-side moving rail member and a long-side moving rail member, It is preferable that the dry abrasive cleaner is provided so as to be movable in the long side direction and the short side direction of the rectangular planar shape of the base frame portion.

Furthermore, in the tunnel ceiling surface cleaning apparatus of the present invention, it is preferable that the hand controller is connected to the control panel via the master repeater.

Furthermore, in the tunnel ceiling surface cleaning and cleaning apparatus of the present invention, the base frame portion moves in the extension direction of the tunnel along rail portions laid on the bottom portion of the tunnel. is preferred.

Further, the tunnel ceiling surface cleaning apparatus of the present invention is provided with an auxiliary carriage that is connected to the base frame portion or a mobile carriage on which the base frame portion is mounted, and the control panel is installed on the auxiliary carriage. In addition, it is preferable that the parent repeater is installed on the base frame portion or the movable carriage.

According to the tunnel ceiling surface cleaning apparatus of the present invention, design freedom is maintained so that it can be applied to various other box culvert type tunnels while maintaining the main parts of the ceiling surface cleaning apparatus for road tunnels. degree can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic side view explaining the tunnel ceiling surface cleaning apparatus based on preferable 1st Embodiment of this invention. FIG. 11 is a schematic plan view for explaining a tunnel ceiling surface cleaning device according to a preferred eleventh embodiment of the present invention; (a) is a side view, (b) is a rear view, and (c) is a plan view of the dry abrasive cleaner. [ Fig. 10] Fig. 10 is a schematic side view illustrating a tunnel ceiling surface cleaning device according to a second preferred embodiment of the present invention.

A tunnel ceiling surface cleaning apparatus 10 according to a first preferred embodiment of the present invention shown in FIGS. 1 and 2 efficiently cleans and cleans a ceiling surface 53 of a discharge culvert, which is a drainage facility, for example, as a box culvert type tunnel 50. It was adopted as a device to keep going. In the first embodiment, for example, the box culvert-type tunnel 50 serving as a discharge ditch has been in service for 30 years or more, and repair work includes surface treatment work ( When performing the surface preparation work, especially for the ceiling surface 53 of the tunnel 50, if one tries to do it manually using a known cleaning device, the work is not only difficult because the work is performed while the user is facing upward. , Because it requires a lot of labor, the cleaning work of the box culvert type tunnel 50 that is a discharge ditch for the ceiling surface cleaning device for road tunnels described in Japanese Patent Application Laid-Open No. 2017-40103. By using a new tunnel ceiling surface cleaning device 10 that has been appropriately improved so as to be suitable for , the ceiling surface 53 of the discharge culvert, which is a box culvert type tunnel 50, can be efficiently cleaned. I'm trying

In addition, in the first embodiment, the tunnel ceiling surface cleaning device 10 is connected to a control panel 20 that integrates a control system for controlling the driving of the tunnel ceiling surface cleaning device 10. By modularizing various devices and equipment such as the rail portion 18, the size and size of the box culvert type tunnel can be reduced while maintaining the configuration of the main parts of the ceiling surface cleaning apparatus described in JP-A-2017-40103. Depending on the shape, purpose of use, etc., the dry abrasive cleaner 30, the moving rail part 18, etc. can be replaced with a drive mechanism of a different standard, and the need for an elevating device for raising and lowering the stand (base frame part) is determined. It is also possible to improve the degree of freedom in design so that it can be applied to box culvert tunnels of various types and shapes by facilitating the addition of other necessary devices. It has features that allow

The tunnel ceiling surface cleaning apparatus 10 of the first embodiment is used for cleaning the ceiling surface 53 of the box culvert-type tunnel 50, for example, the ceiling surface of a discharge ditch using the dry cleaner 30. The cleaning and cleaning apparatus comprises a base frame portion 11 movable in a tunnel 50, and along a moving rail portion 18 attached to the upper surface portion of the base frame portion 11, the direction in which the tunnel 50 extends and the direction perpendicular to this. It comprises a dry sander 30 movable in the width direction, and a control panel 20 for controlling at least the driving of the dry sander 30 and the movement of the dry sander 30 along the moving rail portion 18. there is Interposed between the control panel 20, the dry cleaner 30 and the moving rail portion 18, and connected to the control panel 20, a master repeater 21 having a plurality of connection ports is provided. By connecting a master repeater 21 to a dry abrasive cleaner 30 and a slave repeater 25 provided on the moving rail portion 18 via a control cable 22 having connectors 23 at both ends, a control panel can be operated. A handheld controller 24 connected to 20 can control the drive and movement of the dry abrasive cleaner 30 .

2, the base frame portion 11 of the tunnel ceiling surface cleaning and cleaning apparatus 10 in the first embodiment has a rectangular planar shape, and the moving rail portion 18 is a left-right direction rail member. 18a and a front-rear rail member 18b, the dry abrasive cleaner 30 is provided movably in the long-side direction X and the short-side direction Y of the rectangular planar shape of the base frame portion 11. As shown in FIG.

The outlet culvert of the box culvert-type tunnel 50, the ceiling surface 53 of which is cleaned by the tunnel ceiling surface cleaning apparatus 10 of the first embodiment, is formed using a known construction method using, for example, cast-in-place concrete or precast concrete. In addition, the tunnel has a hollow rectangular cross section with a width of about 2000 to 3000 mm and a height of about 2500 to 3500 mm.

In this embodiment, the base frame portion 11 constituting the tunnel ceiling surface cleaning apparatus 10 is formed by assembling, for example, channel steel or angle steel, and has a width of about 1500 to 2500 mm in the left-right direction Y, and It is configured as a rectangular parallelepiped hollow frame with a length of X of about 2000 to 3000 mm and a height of about 1500 to 4000 mm. Also, in this embodiment, the base frame portion 11 has a two-stage structure consisting of a lower base plate 11a to which the door roller member 19 is attached on the lower surface side, and an upper base frame portion 11b. The lower base plate 11a and the upper base frame portion 11b are connected by three pillars 11c erected vertically on both left and right sides of the lower base plate 11a. As shown in FIG. 1, the three left and right struts 11c are arranged at the left and right sides of the base frame portion 11 so as to extend from the front end (left end side in FIG. 1) and the rear end of the upper base frame portion 11b and the lower base plate 11a. (the right end in FIG. 1) and an intermediate portion in the front-rear direction. Further, the base frame portion 11 has a truss structure in which three supporting columns 11c erected on both sides thereof are connected to each other by a total of four reinforcing members 11d arranged obliquely to form a truss structure. The entire portion 11 is reinforced.

In addition, the base frame portion 11 is moved along the guide rail 57 laid on the bottom portion of the tunnel 50 via the door roller member 19 attached to the lower end portion of the base frame portion 11, manually or by a pulling means such as a winch, or It is adapted to move in the extension direction X of the tunnel 50 by self-propelled by a drive source such as a motor, and is fixed to each cleaning location in the extension direction X of the tunnel 50, and the cleaning operation is performed. can be performed. In addition, the base frame portion 11 is provided with fixing means (not shown) consisting of hydraulic jacks or the like that advances and retreats toward the side wall surface of the tunnel. , the base frame portion 11 can be fixed at each cleaning location in the tunnel 50 by pressing the .

The moving rail portion 18 attached to the upper surface portion of the base frame portion 11 has the same configuration as the moving rail portion provided in the ceiling surface cleaning apparatus described in Japanese Patent Application Laid-Open No. 2017-40103. That is, as shown in FIG. 2, the moving rail portion 18 includes a horizontal rail member 18a for moving the dry sander 30 in the horizontal direction Y, and a horizontal rail member 18a for moving the dry sander 30 in the extending direction of the tunnel. A front-rear direction rail member 18b that moves in a certain front-rear direction X is included. The left-right direction rail member 18a is laid on the upper end surfaces of a pair of end channel steels 11e and intermediate channel steel 11f forming the upper base frame portion 11b, and extends parallel to the width direction of the upper base frame portion 11b. are provided in three rows. A traverse frame portion 46 on which the front-rear rail member 18b is laid is placed on the left-right rail member 18a so as to be able to travel in the width direction (horizontal direction) Y. As shown in FIG.

As shown in FIG. 2, the traversing frame portion 46 is formed by assembling, for example, channel steel or angle steel. It has a rectangular planar shape elongated in the front-rear direction X and has a size of, for example, about 2300 to 3500 mm, which is slightly longer than the length of the portion 11b. Front-rear direction rail members 18b are laid on upper end surfaces of long side channel steels 46a arranged on a pair of left and right long side portions forming the transverse frame portion 46, respectively. A dry abrasive cleaner 30 is mounted on the front-rear direction rail member 18b so as to be able to travel in the front-rear direction X. As shown in FIG.

In addition, the traverse frame portion 46 includes a travel wheel (not shown) and a travel wheel for moving the traverse frame portion 46 along the lateral rail member 18a laid on the upper surface of the upper base frame portion 11b. A drive (not shown) is attached. The traveling drive device is connected to a child repeater 25 attached to the traversing frame portion 46 of the moving rail portion 18 . In the present embodiment, the moving rail portion 18 includes a horizontal rail member 18a and a front-rear rail member 18b, a transverse frame portion 46, a traveling wheel, a traveling drive device, and the like.

The dry abrasive cleaner 30 is movable in the front-rear direction X, which is the long-side direction, and the left-right direction Y, which is the short-side direction, of the upper base frame portion 11b by the moving rail portion 18. It has the same configuration as the dry type cleaner provided in the ceiling surface cleaning device described in 1.1. That is, as shown in FIGS. 3(a) to 3(c), the dry sander 30 has a traveling base portion 31 and a traveling base portion 31 with a load cell 32 interposed therebetween. an intermediate plate portion 33 arranged above the intermediate plate portion 33; and a cleaner main body 36 supported and attached to a plate 35 . Guide shafts 37 are provided upright from four corners of the travel base 31 , and these guide shafts 37 are provided at four corners of the cleaner mounting plate 35 . By installing the linear bushings 38, the abrasive cleaner mounting plate 35 is moved up and down in a stable state by being guided by the guide shafts 37 and the linear bushings 38 as the air cylinder 34 expands and contracts. It is possible to do so.

The grinder main body 36 can be used by appropriately modifying various known grinders that can grind a concrete floor surface or the like to form a flat work surface. As such a grinder, for example, a product name "New Tornado" (manufactured by CRT Co., Ltd.) can be preferably used. The cleaner main body 36 includes a cutting disk 36a, a suction dust collector 36b, a drive motor 36c, and the like. A scattering prevention member (not shown) made of a flexible spatula member, a brush-like member, or the like is provided so as to surround the cutting disk 36a. This effectively prevents the dust generated when the cutting disk 36a is pressed against the ceiling surface 53 of the box culvert tunnel 50 and grinds the cutting disk 36a facing upward from leaking out of the main body 36 of the cleaner. can be avoided. A discharge pipe 49 (see FIG. 1) is provided in connection with the main body 36 of the cleaner.

In the traveling base portion 31 of the dry-type cleaner 30, the dry-type cleaner 30 is caused to travel along the longitudinal rail member 18b laid on the upper end surface of the long-side channel steel 46a of the transverse frame portion 46. A traveling wheel 31a and a traveling drive device 31b are attached for this purpose. As a result, the dry cleaner 30 can travel in the longitudinal direction X of the upper base frame portion 11b along the longitudinal rail member 18b laid on the top surface of the traverse frame portion 46. , the transverse frame portion 46 can be moved in the short side direction Y of the upper base frame portion 11b by running along the left-right direction rail member 18a laid on the upper surface portion of the upper base frame portion 11b. there is

Air cylinders 34 are extendably arranged between the intermediate plate portion 33 of the dry cleaner 30 and the cleaner mounting plate 35, and are attached to the front and rear portions of the cleaner mounting plate 35, respectively. The pressing force of the cleaner main body 36 against the ceiling surface 53 of the box culvert-type tunnel 50 measured by the load cell 32 interposed between the traveling base portion 31 and the intermediate plate portion 33 is, for example, 0. The cutting disk 36a of the cleaner main body 36 can be pressed against the ceiling surface 53 while the cleaner mounting plate 35 is moved up and down so that the pressure is 3 to 0.9 Mpa. By using the air cylinder 34 as a cylinder member for raising and lowering the cleaner mounting plate 35, it is possible to follow the irregularities of about ±40 mm existing on the ceiling surface 53 of the tunnel 50 and absorb these irregularities. be possible.

In the first embodiment, the traveling drive device 31b of the dry cleaner 30, the cutting disk 36a of the cleaner main body 36, the suction dust collector 36b, the drive motor 36c, etc. are connected via various wirings, for example. , and is connected to the child repeater 25 attached to the traveling base portion 31 .

In the first embodiment, at least the control panel 20 for controlling the driving of the dry abrasive cleaner 30 and the movement of the dry abrasive cleaner 30 along the moving rail portion 18 has a box shape and is shown in FIG. As shown in , it is placed on an auxiliary carriage 55 that is preferably connected to the base frame portion 11 . Inside the control panel 20 is stored a programmable controller (not shown) incorporating a plurality of sequence circuits (not shown) for controlling the drive of the dry cleaner 30 and the movement of the moving rail portion 18, for example. It is

A plurality of sequence circuits incorporated in the programmable controller are independent for each control unit, such as control of driving the dry cleaner 30 and control of movement of the moving rail section 18, so that the controls to be performed do not affect each other. The circuit is designed as In addition, in the first embodiment, the sequence circuit can be adapted to equipment having specifications and standards that are changed with respect to the dry abrasive cleaner 30 and the moving rail portion 18, and other newly added functions. As shown, sequence circuits corresponding to various specifications and functions are provided in advance.

In this embodiment, the master repeater 21 interposed between the control panel 20, the dry cleaner 30, and the moving rail portion 18 has a box-like shape that is more compact than the control panel 20. Preferably, it is mounted on the base frame portion 11 by being attached to the lower end portion of a post 11c arranged at the rear end portion of the base frame portion 11 in the front-rear direction X. As shown in FIG. The parent repeater 21 and the control panel 20 are connected via a connection cable 21a.

The parent repeater 21 has a plurality of connection ports, each corresponding to a different sequence circuit. Devices such as the dry abrasive cleaner 30 and the moving rail portion 18 are connected to these connection ports, or are recognized by devices such as the dry abrasive cleaner 30 and the moving rail portion 18 connected to the connection ports. In response to the signal, it is connected to a corresponding sequence circuit pre-installed in the control panel 20 . In the first embodiment, the master repeater 21 connects the master repeater 21, the dry abrasive cleaner 30, and the slaves provided on the moving rail portion 18 via a control cable 22 having connectors 23 at both ends. By connecting the repeaters 25 respectively, the drive and movement of the dry abrasive cleaner 30 can be controlled by the operation from the hand controller 24 connected to the control panel 20 .

In the first embodiment, the control cable 22, which connects the parent repeater 21 and the child repeater 25 provided in the equipment such as the dry cleaner 30 and the moving rail portion 18, has connectors at both ends. 23 is a known cable. The connector 23 is shaped so that the pins are located at positions corresponding to the respective operation signals, so that devices such as the dry abrasive cleaner 30 and the moving rail portion 18 connected to the master repeater 21 can be connected. , is correctly attached to the connection port corresponding to the sequence circuit that controls these devices. In addition, the connector 23 has a common specification through all the devices connected to the master repeater 21, so that it can be connected to any connection port of the master repeater 21, or can be connected to the dry abrasive cleaner 30 or the moving rail section. 18 or the like, it can be connected to the sequence circuit corresponding to these devices according to the recognition signal from the attached device. is preferred.

The tunnel ceiling surface cleaner 10 of the first embodiment can control the drive and movement of the dry cleaner 30 by operation via the hand controller 24 connected to the control panel 20 . It is preferable that the hand controller 24 is connected to the control panel 20 via the master repeater 21 by connecting to the connection port of the master repeater 21 .

Then, according to the tunnel ceiling surface cleaning device 10 of the first embodiment having the above-described configuration, the main part of the ceiling surface cleaning device for road tunnels described in, for example, Japanese Patent Application Laid-Open No. 2017-40103 is held. As it is, it is possible to improve the degree of freedom in design so that it can be applied to various other box culvert tunnels.

That is, according to the tunnel ceiling surface cleaning apparatus 10 of the first embodiment, the control panel 20 controls at least the drive of the dry cleaner 30 and the movement of the dry cleaner 30 along the moving rail portion 18. and a main repeater 21 having a plurality of connection ports interposed between the control panel 20, the dry cleaner 30 and the moving rail portion 18, and connectors at both ends. A hand controller connected to the control panel 20 by connecting the master relay 21 to the slave relay provided on the dry abrasive cleaner 30 and the moving rail portion 18 via a control cable 22 having a 23. 24, the drive and movement of the dry abrasive cleaner 30 can be controlled.

As a result, according to the present embodiment, it is not necessary to use different standard dry sanders 30 and moving rails 18 according to changes in the size, shape, etc. of the box culvert type tunnel 50 forming the outflow culvert. Even if it occurs, by attaching and detaching the connector 23 of the control cable 22, it is possible to connect the control panel 20 via the master repeater 21, the modularized dry abrasive cleaner 30 of different standards, and the moving rail portion 18. The drive and movement of the dry abrasive cleaner 30 can be easily controlled by the operation from the hand controller 24 connected to the control panel 20 by the simple work of reconnecting the slave repeater 25. be possible. In addition, for box culvert-type tunnels 50 of various types and shapes other than discharge culverts, it is also possible to determine whether or not a lifting device for raising and lowering the pedestal is necessary according to the purpose and shape of the tunnel. When a lifting device is required, the control cable 22 is connected to the child repeater 25 of the modularized lifting device, or when it is necessary to newly add other devices, the control cable 22 is modularized. It is possible to easily control these devices by operating from the hand controller 24 by a simple work of connecting to the child repeater 25 of other devices that are connected to the box culvert type tunnel. It is possible to effectively improve the degree of freedom in designing the tunnel ceiling surface cleaning apparatus 10 according to its shape, purpose of use, and the like.

FIG. 4 is a schematic side view of a tunnel ceiling surface cleaning apparatus 10' according to a second embodiment of the present invention. The tunnel ceiling surface cleaning apparatus 10' according to the second embodiment shown in FIG. It has substantially the same configuration as the tunnel ceiling surface cleaning apparatus 10 of the first embodiment, except that the unit 11' is placed on a movable carriage 51. As shown in FIG. Regarding the tunnel ceiling surface cleaning apparatus 10' of the second embodiment shown in FIG. 4, the same components as those of the tunnel ceiling surface cleaning apparatus 10 of the first embodiment are denoted by the same reference numerals. The description is omitted. The description of the tunnel ceiling surface cleaning/cleaning apparatus 10 of the first embodiment is appropriately applied to components that are not particularly mentioned.

A tunnel ceiling surface cleaning apparatus 10' according to the second embodiment is an apparatus for cleaning, for example, a box culvert type railway tunnel 50' ceiling surface 53' using a dry type cleaning machine 30. . As shown in FIG. 4, a tunnel ceiling surface cleaning apparatus 10' according to the second embodiment has a base frame portion 11' mounted on a movable carriage 51, and a rail portion 57' laid on the bottom surface of the tunnel. The movable carriage 51 can move in the extension direction X of the tunnel by running along the . The base frame portion 11′ is supported by the base portion 15 having a two-stage structure including the lower base portion 15a and the upper base portion 15b, and the base portion 15 so as to be vertically movable by the lifting devices 40 and 41. A master relay 21 and a slave relay 25 provided in the lifting devices 40, 41 are connected via a control cable 22 having connectors 23 at both ends thereof. As a result, the hand controller 24 connected to the control panel 20 can control the elevation of the elevation frames 12 and 13 by the elevation devices 40 and 41 .

In addition, in the second embodiment, the base portion 15 of the base frame portion 11' is the base composed of the lower base frame portion and the lower base frame portion of the ceiling surface cleaning device described in Japanese Patent Application Laid-Open No. 2017-40103. It has the same configuration as the frame section, and the elevating frame sections 12 and 13 have the same configuration as the lower elevating frame section and the upper elevating frame section of the ceiling surface cleaning device described in Japanese Patent Application Laid-Open No. 2017-40103. Elevating devices 40 and 41 have the same configuration as the lower elevator, front upper elevator, and rear upper elevator of the ceiling surface cleaning/cleaning device described in Japanese Patent Application Laid-Open No. 2017-40103.

In the second embodiment, the box culvert-type railway tunnel 50' has a cross-sectional shape that is vertically and horizontally larger than that of the box culvert-type tunnel 50 that forms the outflow culvert of the first embodiment. Also, in the case of a railway tunnel, since the vehicle limit is set, the tunnel ceiling surface cleaning device 10' is moved along the rail portion 57' while keeping the dry type cleaner 30 close to the ceiling surface 53'. is difficult. For this reason, in the second embodiment, the tunnel ceiling surface cleaning apparatus 10' has the dry type cleaner 30 in the long side direction X and the short side direction Y at the cleaning location of the base frame portion 11'. Although it is necessary to design so as to include the lifting devices 40 and 41 that enable the moving rail portion 18 to be moved up and down, the tunnel ceiling surface cleaning device 10' of the second embodiment can be controlled as described above. The ceiling surface of the box culvert type railway tunnel 50' can be efficiently cleaned by a simple work of connecting the cable 22 to the child repeater 25 of the modularized lifting devices 40 and 41. It becomes possible to change. Moreover, even if it is necessary to newly add other devices to the tunnel ceiling surface cleaning apparatus 10', by simply connecting the control cable 22 to the child repeater 25 of the other modularized devices, The tunnel ceiling surface cleaning device 10' can be easily designed and changed so that it can be applied to a box culvert type tunnel other than the railway tunnel 50' according to the size, shape, purpose of use, etc. of the box culvert type tunnel. It becomes possible to

It should be noted that the present invention is not limited to the above embodiments, and various modifications are possible. For example, the local controller does not necessarily have to be connected to the control panel via the master repeater, and can be used by being directly connected to the control panel. Also, the control panel does not necessarily need to be installed on the base frame or the auxiliary carriage connected to the movable carriage on which the base frame is mounted, and can be installed on the base frame or the movable carriage. The tunnel ceiling surface cleaning device can also be used as a device for cleaning the ceiling surface of various other box culvert-type tunnels formed with tunnels other than culverts and railway tunnels.

10, 10' Tunnel ceiling surface cleaning device 11 Base frame parts 12, 13 Lifting frame part 15 Base part 18 Moving rail part 18a Left-right direction rail member 18b Front-back direction rail member 19 Door roller member 20 Control panel 21 Parent repeater 21a Connection cable 22 Control cable 23 Connector 24 Hand controller 25 Secondary relay 30 Dry abrasive cleaner 31 Traveling base 36 Cleaner main body 40, 41 Lifting device 46 Traversing frame 50 Tunnel 50' Railway tunnel 51 Moving cart 53, 53' Ceiling Surface 55 Auxiliary carriage 57 Guide rail 57' Rail portion X Extending direction (long side direction, front-rear direction)
Y Width direction (short side direction, horizontal direction)

Claims (6)

A tunnel ceiling surface cleaning apparatus for cleaning the ceiling surface of a box culvert type tunnel using a dry cleaner,
a base frame movable in the tunnel; and the dry sanding movable in the extending direction of the tunnel and in the widthwise direction perpendicular thereto along a moving rail mounted on the upper surface of the base frame. a vacuum cleaner; and a control panel for controlling at least driving of the dry abrasive cleaner and movement of the dry abrasive cleaner along the moving rail,
A parent repeater having a plurality of connection ports is interposed between the control panel and the dry abrasive cleaner and the moving rail portion, and is connected to the control panel. Hand controller connected to the control panel by connecting the parent repeater and the child repeater provided on the dry abrasive cleaner and the moving rail portion via a control cable having a connector on the A tunnel ceiling surface cleaning device capable of controlling the driving and movement of the dry type cleaning machine by The base frame portion is supported by the base portion and includes an elevating frame portion which is provided so as to be elevable by an elevating device. 2. The tunnel ceiling surface cleaning and cleaning apparatus according to claim 1, wherein the elevation of the elevating frame section by the elevating device can be controlled by a hand controller connected to the control panel. The base frame portion has a rectangular planar shape, the moving rail portion includes a short-side moving rail member and a long-side moving rail member, and the dry abrasive cleaner has a rectangular shape of the base frame portion. 3. The tunnel ceiling surface cleaning/cleaning apparatus according to claim 1 or 2, which is provided movably in the long side direction and the short side direction of the planar shape. The tunnel ceiling surface cleaning and cleaning apparatus according to any one of claims 1 to 3, wherein the hand controller is connected to the control panel via the master repeater. The tunnel ceiling surface according to any one of claims 1 to 4, wherein the base frame portion moves in the extension direction of the tunnel along rail portions laid on the bottom portion of the tunnel. Abrasive device. An auxiliary carriage is provided by being connected to the base frame portion or the movable carriage on which the base frame portion is mounted, the control panel is installed on the auxiliary carriage, and the parent repeater is connected to the base frame. 6. The tunnel ceiling surface cleaning and cleaning apparatus according to claim 5, wherein the tunnel ceiling surface cleaning apparatus is installed on the unit or on the movable carriage.

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