JP4627358B2 - Automatic blasting equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to an automatic blasting apparatus that performs a surface treatment before painting on a ship side skin or a vertically oriented outer skin of a large structure, and particularly for a self-propelled traveling cart that runs in the left-right direction along the upper end of the skin. In addition to suspending a moving platform equipped with equipment for equipment, the blasting equipment and a self-propelled blasting machine are connected to each other via hoses of the required length in the vertical direction of the ship side skin and large structures. The present invention relates to an automatic blasting apparatus for efficiently polishing an outer plate.
[0002]
[Prior art]
FIG. 7 is a schematic view of a conventional ship side skin blasting apparatus. “a” is a blasting machine for performing a surface treatment before painting. b is an aerial work vehicle such as a crane truck, and the blast machine a is suspended by a wire rope c. d is a movable carriage installed on the bottom q, and blasting equipment such as a cyclone separator e, a blast tank o, a dust collector f, and a blower g is mounted on the upper surface. Reference numeral h denotes a vacuum hose having an upper end connected to the blast machine a and a lower end connected to the cyclone separator e. i is a power supply cable having an upper end connected to the blast machine a and a lower end connected to the power source m via the operation panel k. j is a signal cable having an upper end connected to the blasting machine a and a lower end connected to the operation panel k, like the power supply cable i. n is a compressed air supply pipe having one end connected to the cyclone separator e and the other end connected to a compressor (not shown). p is the ship side skin of the ship.
[0003]
When performing the polishing work on the ship side skin p, the moving carriage d is moved in the vicinity of the target ship side skin p, the blast machine a is lifted by the crane car b, and the blast machine a is applied to the target skin p. The polishing work is performed in the vertical direction while being brought into contact and attracted to the outer plate p by a magnet and lowered. When the blasting operation for the row is completed, the blast machine a is moved in the lateral direction of the row by the crane b or the like, and the blasting operation is performed in the same manner as described above.
[0004]
[Problems to be solved by the invention]
The above-mentioned conventional ship side skin blasting equipment, when carrying out the polishing work, carries a moving carriage equipped with blasting equipment such as a cyclone separator, blast tank, dust collector, blower, etc. on the ship's side, However, the blasting machine and the blasting machine are remotely operated. However, the operation of the blasting machine and the blasting devices must be performed manually, and the operation becomes complicated. That is, a minimum of two workers, one for operating the crane truck and one for operating the blasting equipment, are required. In addition, since the blasting machine is suspended by a crane vehicle or the like, there are restrictions and restrictions on the moving range of the crane. Since the vacuum hose and the power supply cable are suspended by being connected to the blasting machine, the vacuum hose and the like are stretched when working above the outer plate and are difficult to move, resulting in poor work efficiency.
[0005]
The present invention has been devised in view of the problems of the prior art, and a mobile platform equipped with blasting equipment is suspended from a self-propelled traveling carriage, and a self-propelled blasting machine and blasting equipment. Are connected to each other through hoses of a required length, and the ground side operation panel is electrically connected to the traveling carriage, blasting machine, blasting equipment, and the traveling carriage, blasting equipment, and It is an object of the present invention to provide an automatic blasting apparatus that can operate a blasting machine by one person from the ground side and can save labor and improve work efficiency.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, an automatic blasting apparatus of the present invention is equipped with a self-propelled traveling cart that travels in the left-right direction along the upper end of the outer plate and blasting equipment, and is suspended by the traveling cart. And a self-propelled blasting machine connected to the moving stage through hoses of the required length, and the blasting machine is a magnet that attracts the outer surface of the outer plate without contact. And a wheel that rolls in contact with the surface to be polished when attracted by a magnet, and can travel vertically and horizontally.
[0007]
The blasting equipment mounted on the moving table is preferably a cyclone separator, a blast tank, a dust collector, a blower or the like.
[0008]
In addition, blasting equipment such as cyclone separators, blast tank dust collectors, and blowers mounted on the traveling carriage, blasting machine, and moving platform are all electrically connected to the operation panel on the ground side via a switch and an on-off valve. It is preferable that they are connected and can be operated remotely by a command from the operation panel on the ground side.
[0009]
Next, the operation of the present invention will be described. A moving platform equipped with blasting equipment such as a cyclone separator is suspended on a traveling carriage that runs along the upper edge of the ship's outer plate, and the blasting equipment and the self-propelled blasting machine have the required length. The crane vehicle is not required except when the traveling carriage is attached to and detached from the upper end of the outer plate. Therefore, it is not restricted by the moving range of the crane vehicle, is not limited by the length of the hose, and the blasting equipment such as the traveling carriage, the blasting machine, and the cyclone separator mounted on the moving carriage. Since both are electrically connected to the operation panel on the ground side via switches and on-off valves, they can be remotely operated by one person from the operation panel on the ground side , saving labor and improving work efficiency. Can be planned.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a schematic perspective view of an automatic blasting apparatus according to the present invention. FIG. 2 is a side view of the self-propelled traveling carriage of the automatic blasting apparatus. FIG. 3 is a partially enlarged view of FIG. FIG. 4 is a plan view of the self-propelled traveling carriage. FIG. 5 is a schematic perspective view of a mobile carriage equipped with blasting equipment. 1 to 5, the automatic blasting apparatus includes a self-propelled traveling cart 1 that travels in the left-right direction along the upper end of the ship-side outer plate 35, a blasting unit such as a cyclone separator 16, a blast tank 17, a dust collector 18, and a blower 19. A self-propelled blasting machine equipped with equipment for use and connected to the moving base 15 via a hose such as a vacuum hose 21 having a required length and a mobile base 15 suspended from the traveling carriage 1 The blasting machine 20 includes a magnet 20b that is attracted in a non-contact manner to the surface (abraded surface) 35a of the outer plate 35, and a wheel 20c that rolls in contact with the abraded surface 35a when attracted by the magnet 20b. It is possible to travel up and down and left and right.
[0011]
The main body of the self-propelled traveling carriage 1 is composed of a horizontal plate 2 arranged horizontally and a partition plate 11 provided at a right angle downward in the middle of the lower surface of the horizontal plate 2.
[0012]
The upper part of the traveling carriage 1 is provided on the left and right sides of the carriage 1 and supported by a plurality of back-side rollers 4 that abut against the rear face of the outer plate 35 and roll, and the lower part of the carriage 1 is It is provided on both the left and right sides of the back surface, and is supported by a pair of front-side rollers 14 that abut on the surface 35a of the outer plate 35 and roll. Traveling of the traveling carriage 1 is performed by driving a pair of traveling rollers 5 and 5 that are provided on the left and right sides of the horizontal plate 2 of the traveling carriage 1 and roll in contact with the upper end of the outer plate 35. The rollers 5 and 5 include a motor 6 provided at the center in the left-right direction on the horizontal plate 2, a drive shaft 6 a of the motor 6, and driven shafts 8 and 8 disposed on the left and right sides of the drive shaft 6 a in parallel with the drive shaft 6 a And an endless chain 10 wound between the sprocket 7 provided on the drive shaft 6a and the sprockets 9 provided on the driven shafts 8 and 8 (FIGS. 2 and 4). . Reference numeral 3 denotes a setting bracket for setting the carriage 1 on the upper end of the outer plate 35, and the front end claw portion 3 a is engaged with the upper end of the outer plate 35. The said back surface side roller 4 is provided in the forefront of the front-end | tip nail | claw part 3a (FIG. 3, FIG. 4).
[0013]
The pair of surface side rollers 14 are in contact with the surface 35a of the outer plate 35, and are provided on the sprocket 13 provided on the drive shaft 12a and the driven shaft (not shown) as in the case of driving the rollers 5 and 5. It is driven by an endless chain that hangs between the two sprockets (FIG. 2).
[0014]
The front roller 14 can be a driven roller when the carriage 1 can be driven only by the capacity of the motor 6.
[0015]
The movable table 15 is suspended by a connecting member 25 at the lower end of the traveling carriage 1. Blasting devices such as a cyclone separator 16, a blast tank 17, a dust collector 18, and a blower 19 are mounted on the moving table 15. These blasting devices are provided with on-off valves and switches (not shown). Both the on-off valve and the switch are electrically connected to an operation panel 32 provided on the bottom (ground) 36 , and operate according to a command from the operation panel 32. A caster 15a is provided on the lower surface of the moving table 15, and is used for movement when the moving table 15 is lowered to the ground. Reference numeral 15b denotes a frame.
[0016]
FIG. 6 shows an example of a blast machine, and is a rear view of the vacuum blast machine. The blast machine 20 includes a circular blast machine main body 20a, four magnets 20b attached around the main body 20a, a pair of wheels 20c and 20c, and motors 20d and 20d for driving the wheels 20c and 20c, The pinions 20e and 20e provided on the motor shafts of the motors 20d and 20d, the gears 20f and 20f provided on the wheel shafts 20j and 20j engaged with the pinions 20e and 20e, and dust scattering prevention attached to the peripheral surface of the main body 20a It comprises a suction seal 20i for use, four free bearings 20g attached around the body 20a, and a blast nozzle 20h. The blast machine 20 is attracted in a non-contact manner to the surface to be polished 35a of the outer plate 35 by the magnet 20b, and the wheel 20c and the free bearing 20g are in contact with the surface to be polished 35a when attracted by the magnet 20b. By driving 20c and 20c independently of each other, the vehicle can travel in the vertical and horizontal directions. A blast hose 22 having one end connected to the bottom of the blast tank 17 is connected to the blast nozzle 20h. A vacuum hose 21 has the other end connected to the cyclone separator 16. The blast machine 20 is connected to the traveling carriage 1 via a fall prevention rope 23 and a fall prevention auxiliary rope 24 of a required length.
[0017]
A vacuum hose 21 a has one end connected to the cyclone separator 16 and the other end connected to the dust collector 18. A compressed air supply hose 29 has one end connected to the compressor 30 installed on the bottom (ground) 36 and the other end connected to the blast tank 17. Reference numeral 31 denotes a vacuum hose having one end connected to the blower 19 and the other end connected to the dust collector 18 (FIG. 5).
[0018]
Reference numeral 26 denotes a power supply cable having one end connected to a power source 28 installed on the bottom (ground) 36 and the other end connected to an operation panel 32 provided on the cable storage box 34, and 26 a is connected to the operation panel 32. The power supply cable is connected and the other end is connected to the control panel 33 on the moving table 15. Reference numeral 26 b denotes a power supply cable having one end connected to the control panel 33 and the other end connected to the motors 6 and 12 on the traveling carriage 1. A power supply cable 26 c has one end connected to the operation panel 32 and the other end connected to the blast machine 20.
[0019]
27 is a signal cable having one end connected to the operation panel 32 and the other end connected to the blast machine 20, and 27 a is a signal cable having one end connected to the operation panel 32 and the other end connected to the control panel 33.
[0020]
Next, the operation of this embodiment will be described. When the surface (surface to be cleaned) 35a of the ship-side outer plate 35 is subjected to the polishing operation, the moving base 15 equipped with the blasting equipment is suspended at the lower end of the traveling carriage 1, and the blasting equipment and the blasting machine 20 are suspended. Are connected to each other via hoses of a required length, and the traveling carriage 1, the movable carriage 15 and the blasting machine 20 are lifted by a crane truck (not shown) so that the upper end of the traveling carriage 1 is hooked on the upper end of the outer plate 35. And hold it. After the traveling cart 1 is installed, the traveling cart 1 travels in the left-right direction of the ship and stops at a predetermined position. Next, the self-propelled blasting machine 20 is attracted to the desired polished surface 35a of the outer plate 35 by the magnet 20b in a non-contact manner. After adsorbing the blasting machine 20, the compressor 30 installed on the bottom (ground) 36 is operated, compressed air is supplied to the blast tank 17 through the compressed air supply hose 29, and blasting in the blast tank 17 is performed. Stir the material. The stirred polishing material is supplied to the blasting machine 20 through the blast hose 22 and projected from the blast nozzle 20h of the blasting machine 20 onto the polished surface 35a of the outer plate 35 to peel off rust and the like. The projected polishing material is discharged to the cyclone separator 16 through the vacuum hose 21 together with the dust such as the separated rust. The polishing material sent to the cyclone separator 16 is separated from the dust in the cyclone separator 16 and collected in a blast tank 17 provided at a lower portion. The dust separated from the polishing material is sent to the dust collector 18 via the vacuum hose 21a, and is attached to a bag filter (not shown) disposed in the dust collector 18. On the other hand, the air cleaned by the dust collector 18 is discharged from the blower 19 to the atmosphere via the vacuum hose 31. The dust adhering to the bag filter is periodically screened and collected in a dust tank below the dust collector 18 by a vibration device (not shown) provided in the dust collector 18. Further, the abrasive is appropriately refilled in the cyclone separator 16 according to the use situation.
[0021]
In this way, while the traveling carriage 1 that travels along the upper end of the ship-side outer plate 35 is suspended by the moving base 15 on which the blasting equipment such as the cyclone separator 16 is mounted, the blasting machine 20 has a required length. Since it is connected to the blasting equipment via hoses, a crane truck is not required except when the traveling carriage 1 is attached to and detached from the upper end of the outer plate 35. Therefore, it is not restricted by the moving range of the crane vehicle, is not limited by the length of the hose, and the cyclone separator 16 mounted on the traveling cart 1, the blast machine 20 and the moving table 15 or the like. Since all the blasting devices are electrically connected to the operation panel 32 provided on the bottom (ground) 36 via a switch or an on-off valve, these can be remotely operated by one person, saving labor. Work efficiency can be improved. The blasting operation can be performed either manually or automatically by switching the select switch on the operation panel.
[0022]
The present invention is not limited to the above-described embodiment, and in the above-described embodiment, the ship outer plate has been cleaned. However, the present invention may be a vertically oriented outer plate of a large structure. Various modifications can be made without departing from the scope of the present invention.
[0023]
As described above, the automatic blasting apparatus of the present invention suspends a moving base equipped with blasting equipment on a traveling carriage that travels along the upper end of a ship-side outer plate, and uses a blasting machine with a hose of a required length. Since it is connected to the blasting equipment via the trolley, there is no need for a crane vehicle during the blasting operation. Therefore, it is not restricted or restricted by the movement range of the crane vehicle. Since the blasting devices are electrically connected to the operation panel 32 provided on the bottom (ground) 36 , the traveling cart, the blasting devices, and the blasting machine can be remotely operated by one person, saving labor. There are excellent effects such as improvement of work efficiency.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view of an automatic blasting apparatus according to the present invention.
FIG. 2 is a side view of a self-propelled traveling carriage.
FIG. 3 is a partially enlarged view of FIG. 2;
FIG. 4 is a plan view of a self-propelled traveling carriage.
FIG. 5 is a schematic perspective view of a moving table on which blasting devices are mounted.
FIG. 6 is a rear view of the blast machine.
FIG. 7 is a schematic view of a conventional ship side skin blasting apparatus.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Self-propelled traveling trolley 2 Horizontal plate 3 Set bracket 3a Tip claw part 4 Back surface side roller 5 Traveling rollers 6, 12 Motor 11 Partition plate 14 Front side roller 15 Moving table 16 Cyclone separator 17 Blast tank 18 Dust collector 19 Blower 20 Blast Machine 35 Ship side skin

Claims (2)

Equipped with a self-propelled traveling cart that hangs on the upper end of the outer plate and travels in the left-right direction along the upper end of the mounting, blasting equipment including a cyclone separator, a blast tank provided at the bottom of the cyclone separator, a dust collector, and a blower And a mobile base suspended by a traveling cart and a self-propelled blasting machine connected to the mobile base via a hose of a required length. The blasting machine has a circular main body and a peripheral surface of the main body. A dust scattering prevention seal attached to the body, a pair of wheels attached to the left and right of the main body, a motor for independently driving the wheels, a free bearing attached around the main body, a blast nozzle, and an outer plate attached around the main body abutment becomes and a magnet adsorbing in a non-contact manner with respect HiKen 掃面, during adsorption by the magnet in the wheel and the free bearing both HiKen掃面By independently driving the wheels have a can travel vertically and horizontally, Ken掃作industry blast machine stirred abrasive cleaning agent stirring sent by abrasive cleaning agent of the compressed air to blast the tank through the blast hose It is sent to the blast nozzle and projected onto the surface to be polished, and the projected abrasive is sent to the cyclone separator through the vacuum hose together with dust, where it is separated into the abrasive and dust, and the separated abrasive is An automatic blasting device, wherein the dust collected in the blast tank and separated is sent to a dust collector via a vacuum hose, and the air cleaned by the dust collector is discharged to the atmosphere by a blower . Blasting equipment such as cyclones separators, blast tanks, dust collectors, and blowers mounted on the above traveling carriage, blasting machine, and moving platform are all electrically connected to the operation panel on the ground side via switches and on-off valves. The automatic blasting device according to claim 1 , wherein the automatic blasting device can be operated remotely from the operation panel.

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