JP3541545B2 - Equipment for mounting large furniture - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an apparatus for mounting large furniture, and more particularly, large furniture such as a large air conditioner, a large display furniture or large furniture can be installed close to a wall surface or the back of another large furniture, so that maintenance and inspection can be performed. The present invention relates to a mounting device that can sometimes be moved forward.
[0002]
[Prior art]
Conventionally, when maintaining and inspecting large furniture such as large air conditioners, large display fixtures, or large furniture installed close to the wall, the inspection panel provided in the right place such as the side is opened without changing the installation position It is customary. However, it is not easy to carry out maintenance and inspection of the mechanical parts, piping and electrical system that are often concentrated behind or at the bottom of large furniture, or to clean the floor on which large furniture is installed. It is easy to imagine that if you can move forward, you can do that very easily.
[0003]
However, this type of large furniture was not designed to be moved after it has been installed once.In particular, when overhauling, it is necessary to disassemble the housing including the housing or move it using a crane or forklift or other hoist. In any case, such as disassembling only the main part after the operation, a troublesome operation or a difficult operation is required.
[0004]
In addition, it is considered that wheels are provided before and after the lower end of the large furniture in the depth direction, and rails for rolling and guiding the wheels in a direction perpendicular to the wall surface are laid on the floor surface. If the length of the rail is set in anticipation of the amount, when the large furniture is installed at a predetermined position close to the wall, the front of the rail is always exposed in front of the large furniture, making it visually unsightly. Therefore, it is not preferable because there is a problem that the passage obstructs the passage. Also, if wheels are simply provided at the lower end of the large furniture and the wheels roll directly on the floor, the weight of the large furniture may damage the floor, and it is necessary to move it manually. There is also a problem that it will not work unless done by a large number of people.
[0005]
[Problems to be solved by the invention]
In view of the above situation, the present invention seeks to solve large-sized air conditioners installed in close proximity to a wall surface or used in close proximity in a back-to-back configuration, large display fixtures or large furniture such as large furniture. Fixtures can be easily moved forward during maintenance / inspection or overhaul and when cleaning the floor where large furniture is installed, and floor damage can be minimized. An object of the present invention is to provide a device for mounting large furniture that is visually excellent by not providing a protrusion, and does not hinder the passage or use of the front space.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention is a mounting apparatus for a large furniture that can be installed close to a wall or the back of another large furniture and can be moved forward during maintenance and inspection. A plurality of fixed rails having a length approximately equal to the depth width of the mount on which the large furniture is mounted are laid on the floor surface in a direction perpendicular to the wall surface or the back surface of the other large furniture, and the depth width is set. Is approximately half of the depth of the gantry, a unitized trolley having a width substantially equal to the width of the gantry is fixed to the rear of the lower surface of the gantry, and the wheels of the trolley can be moved on the fixed rail. A large-sized furniture having a removable cover attached so that a caster provided at a front end of the gantry can be moved on the floor surface and a fixed rail can be covered at least on the front side of the gantry. of To constitute a transfer device.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
The mounting apparatus for large furniture of the present invention is a mounting apparatus for large furniture in which large furniture can be installed close to a wall surface or the back of another large furniture and can be moved forward during maintenance and inspection. A plurality of fixed rails having a length approximately equal to the depth width of the mount on which the large furniture is mounted are laid on the floor surface in a direction orthogonal to the wall surface or the back surface of the other large furniture, and a rear portion of the mount. The wheels of the truck provided on the fixed rail can be moved on the fixed rail, and the casters provided on the front end of the gantry can be moved on the floor. Here, wheels are provided at the front and rear ends in the depth direction of the bogie so that most of the weight of the large furniture is supported by the wheels of the bogie, and the positions of the wheels in front of the wheels are close to the center of the depth width of the gantry. With this setting, the load applied to the casters at the front end of the gantry becomes extremely small, and there is no danger of damaging the floor surface even if the casters roll on the floor surface. In this case, the moving distance of the gantry is approximately half of the depth width.
[0008]
In addition, the present invention is characterized in that the wheels of the cart are driven to rotate by an electric motor, so that large heavy furniture can be easily moved in the front-rear direction, that is, in the direction away from the wall surface or the back of other large furniture and in the direction approaching. It can be moved to.
[0009]
Further, the present invention extends the moving distance arbitrarily by connecting an extension rail to the front end of the fixed rail in a detachable manner and enabling the extension rail to be linearly laid on the floor in front of the fixed rail. This makes it possible to completely retreat the entire mounting apparatus including the large furniture from the normal installation position to the front, so that overhaul of the large furniture and cleaning of the installation floor can be easily performed.
[0010]
Further, according to the present invention, a stopper bolt is vertically suspended at a position corresponding to immediately above the fixed rail on the lower surface of the front end portion of the gantry, and the stopper bolt is provided just above the fixed rail or the extended rail. When it is located, its lower end is pressed against the rail, and when the stopper bolt is located on the floor, its lower end is pressed against the floor to restrict its movement. In addition, safety can be improved without unexpected movement during overhaul and the like, and the durability of the caster can be improved by reducing or eliminating the load on the caster.
[0011]
【Example】
Next, the present invention will be described in further detail with reference to the embodiments shown in the accompanying drawings. 1 to 4 schematically show a mounting apparatus for large furniture of the present invention, and FIGS. 5 to 12 show details of each part. In the drawings, A is a large furniture, B is a mounting apparatus for large furniture A, and C is a wall surface. , D show floor surfaces, respectively.
[0012]
The mounting apparatus B of the present invention is capable of installing the large furniture A close to the wall surface C and moving the large furniture A forward during maintenance and inspection. A plurality of fixed rails 2 having a length approximately the same as the depth width of the gantry 1 having a plane dimension capable of being installed are laid on a floor surface D in a direction orthogonal to the wall surface C and provided at a rear portion of the gantry 1. Have a basic structure in which wheels 4,... Of the cart 3 can be moved on the fixed rail 2 and casters 5,... Provided at the front end of the gantry 1 can be moved on the floor D. Of course, the wall C may be the back of the other large furniture A, but the present embodiment will be described on the premise of the wall C.
[0013]
The gantry 1 has a plane dimension on which the large furniture A can be placed and fixed, and in this embodiment, each of the pair of vertical frames and the horizontal frame is framed in a rectangular shape in plan view, and The upper frame 6 and the lower frame 7, which are formed by extending a plurality of vertical rails, are connected by a plurality of vertical holding rods 8,... In the above, there is no need to specify the structure of the gantry 1.
[0014]
It is preferable that the carriage 3 be unitized and fixed to the rear part of the lower surface of the gantry 1 because it can be used even if the depth width of the gantry 1 is changed. In this embodiment, a pair of horizontal members 9 having a substantially U-shaped cross section are used. 9 are arranged with their concave grooves facing each other, and longitudinal members 10,... Having a substantially U-shaped cross section are fixed between the two lateral members 9, 9 at appropriate positions between both ends and an intermediate position. Corresponding to the position, a pair of mounting members 11, 11 having a substantially U-shaped cross section are juxtaposed in parallel with the vertical member 10 with their concave grooves turned in the opposite direction, and the front and rear ends of each pair of mounting members 11, 11 The rotating shafts 12 and 12 are passed through the shaft 4 and the wheels 4 are mounted on the rotating shaft 12 between the pair of mounting members 11 and 11. An electric motor 14 is mounted on a motor mounting member 13 provided at a central portion between the horizontal members 9, 9, and the rotational force of the electric motor 14 is applied to the rotating shaft 12 by gears 15, 15 and other pulleys. Is transmitted by a belt or the like, and the wheels 4 are driven to rotate so that they can run on their own. In addition, the depth width of the carriage 3 of this embodiment is substantially half of the depth width of the gantry 1, and the width is equal to the width of the gantry 1.
[0015]
The fixed rail 2 has a length approximately equal to the depth width of the gantry 1, and a plurality of the fixed rails 2 are laid in parallel on the floor surface D in a direction perpendicular to the wall surface C from near the wall surface C. The third wheels 4,... Are rolled and guided. As shown in FIG. 5, the structure of the fixed rail 2 has a ridge 16 on which the wheel 4 is placed in the center. The parts 17, 17 are erected. Further, the cart 3 is provided with a fall prevention device 18 which can be locked to one of the protection portions 17 when the wheel 4 is separated from the ridge portion 16 of the fixed rail 2 to prevent the mounting device B from falling. ing.
[0016]
Further, a plurality of casters 5 are provided below the front end lower surface of the gantry 1 so as to be displaced from the fixed rail 2 so that the casters 5 roll directly on the floor surface D. Is set to
[0017]
A stopper bolt 19 is suspended from the lower surface of the front end portion of the gantry 1 at a position corresponding to immediately above the fixed rail 2 so as to be adjustable in height, and the stopper bolt 19 is positioned directly above the fixed rail 2. In this case, the lower end thereof is pressed against the ridge 16 to move the mounting device B forward, and when the stopper bolt 19 is located on the floor surface D, the lower end thereof is pressed against the floor surface D to restrict movement. You do it. Specifically, a pedestal 20 protrudes from the lower surface of the lower frame 7 of the gantry 1, a screw shaft of a stopper bolt 19 is screwed into a nut 21 fixed to the pedestal 20, and a head 22 of the stopper bolt 19 is attached. It is a lower end pressure contact part.
[0018]
As shown in FIGS. 1 and 6, at least the front side of the gantry 1 is detachable so that not only the trolley 3, the casters 5 and the stopper bolts 19 but also the fixed rails 2 can be covered. The cover 23 is attached.
[0019]
Further, as shown in FIG. 8, a wheel stopper 24 is detachably attached to the front end of the fixed rail 2 to restrict the movement of the wheel 4 and to cover the end surface of the fixed rail 2. . The wheel stopper 24 is formed in a U-shape in plan view by a front plate 25 and both side plates 26, 26. The front plate 25 has a shape and size capable of covering the front end surface of the fixed rail 2. Is formed on the outer surfaces of the protection portions 17 and 17 of the fixed rail 2, and a screw 28 passing through a through hole 27 opened in the side plate 26 is screwed into a screw hole 29 formed on the outer surface of the protection portion 17. Installed. In addition, a connection hole 31 for connecting an extension rail 30 described later is formed in the front end surface of the ridge 16 of the fixed rail 2.
[0020]
The mounting apparatus B of the present invention is in a normal installation position close to a wall C as shown in FIGS. 1 and 13 (a), and a large furniture A is mounted and used on the upper surface thereof. Then, at the time of maintenance and inspection of the ordinary large furniture A, the mounting apparatus B is moved forward as shown in FIGS. 4 and 13 (b), and the large furniture A is separated from the wall surface C. The maximum moving distance of the mounting device B in this case is a length until the wheel 4 in front of the bogie 3 comes into contact with the wheel stopper 24 attached to the front end of the fixed rail 2. It is approximately half the depth width. Then, when the mounting apparatus B is further moved forward to overhaul the large furniture A or clean the floor D for normal installation, as shown in FIGS. 9 and 13 (c), the extension rail 30 is attached to the front end of the fixed rail 2. Are connected linearly and the carriage 3 is moved above the extension rail 30 so that the entire length of the fixed rail 2, that is, the normal installation floor surface D can be exposed, and the wall surface C and the large furniture A can be connected. A sufficient interval required for overhaul is formed between them.
[0021]
The length of the extension rail 30 needs to be at least such that the carriage 3 completely rides on the upper surface thereof, but a longer length can be arbitrarily set. In a state where the extension rail 30 is connected to the fixed rail 2, the mounting device B can be moved forward and stopped halfway to perform maintenance / inspection or overhaul, in which case the stopper is used. If the bolt 19 is located immediately above the extension rail 30, the stopper bolt 19 can be rotated down to lower the head 22 at the lower end thereof against the extension rail 30 to restrict the movement. When maintenance, inspection or overhaul is performed in a state in which is moved forward to the permissible limit of the extension rail 30 or in a state where the floor surface D is located below the stopper bolt 19, the head of the stopper bolt 19 22 is pressed against the floor surface D to regulate the movement.
[0022]
As shown in FIG. 9, the extension rail 30 has the same cross-sectional shape as the fixed rail 2, that is, it has a ridge 32 at the center and protection portions 33, 33 on both sides thereof. Is provided with a connection plate 34 fixed to the outside of the protection portion 33 and having an inverted L-shaped cross-section, the tip of which protrudes from the protrusion 32 and the protection portion 33. And a connecting rod 36 that fits into the connecting hole 31 of the fixed rail 2 protrudes from an end surface of the ridge 32. In order to connect the extension rail 30 to the fixed rail 2, the protection plates 17, 17 of the fixed rail 2 are sandwiched between the connection plates 34, 34, and at the same time, the connection rod 36 is fitted into the connection hole 31. The screw 37 inserted from the through hole 35 is screwed into the screw hole 29 and fixed. Here, it is preferable that the screw 37 shares the screw 28.
[0023]
As another structure for connecting the extension rail 30 to the fixed rail 2, the one shown in FIG. 10 is configured such that hook pieces 38, 38 are fixed to outer end portions of both protection portions 17, 17 of the fixed rail 2. A fastener 41 having a ring piece 39 for locking the hook piece 38 pivotally attached to a position eccentric from the center of rotation of the operation plate 40 is attached to the outer end portions of the protection portions 33, 33 of the extension rail 30. In a state where the connecting rod 36 protruding from the end surface of the ridge 32 is fitted into the connecting hole 31 of the fixed rail 2 in the same manner as described above, the ring piece 39 is engaged with the hook piece 38, and then the operation plate 40 is rotated. The two rails are pulled together to connect.
[0024]
The mounting device B of the present embodiment is driven by the electric motor 14 and self-propelled, but it is possible to manually perform the movement and stop operations. However, the movement is manually performed for ease of operation. Preferably, the stop is performed automatically. In order to automatically stop the mounting device B during normal maintenance and inspection using only the fixed rail 2, a limit switch 41 is protruded downward at an appropriate position of the carriage 3 as shown in FIGS. When the mounting device B has moved to a predetermined position in front, a projection 42 for operating the limit switch 41 is protruded at a predetermined position on the floor surface D, and occurs when the limit switch 41 is operated by the projection 42. The rotation of the electric motor 14 is stopped by a stop signal. Also, in order to connect the extension rail 30 to the fixed rail 2 and move the mounting device B forward from the fixed rail 2 to automatically stop the mounting device B when the large furniture A is overhauled, FIGS. As shown in FIG. 7, a forward limit switch 43 is projected downward between the mounting members 11, 11, and a projection 44 for operating the forward limit switch 43 when the carriage 3 moves over the extension rail 30 is formed. The rotation of the electric motor 14 is stopped by a stop signal generated when the forward limit switch 43 is operated by the protrusion 44, provided between the protruding portion 32 and the protection portion 33 of the extension rail 30. In addition, when the mounting device B is retracted to the normal installation position after the maintenance / inspection or overhaul is completed, as shown in FIG. The rear limit switch 45 is provided on the side, and a protrusion similar to the protrusion 44 is provided at an appropriate position at the rear of the fixed rail 2.
[0025]
【The invention's effect】
According to the apparatus for mounting large furniture of the present invention configured as described above, a large air conditioner, a large display furniture, or a large furniture such as a large air conditioner, a large display furniture, or a large furniture of a usage type installed close to a wall surface or a usage type installed close to each other back to back. Furniture can be easily moved forward during maintenance and inspection, and floor damage can be minimized. In a normal installation state, fixed rails are not exposed in the space in front of large furniture. There is no hindrance to the passage or use of the space. In addition, since the depth width is substantially half of the depth width of the gantry, and the unitized trolley whose width is substantially equal to the width of the gantry is fixed to the rear portion of the lower surface of the gantry, the depth width of the gantry is changed. A unitized cart can also be used. Further, the fixed rail has a length substantially equal to the depth width of the mount on which the large furniture is mounted, and a detachable cover is attached to at least the front side of the mount, so that the fixed rail can be covered and hidden.

[0026]
By rotating the wheels of the cart with an electric motor, large-sized furniture can be moved very easily in the front-rear direction, and maintenance and inspection of the large-sized furniture can be performed by a minimum number of people.
[0027]
An extension rail is detachably connected to the front end of the fixed rail, and the extension rail can be linearly laid on the floor surface in front of the fixed rail, so that the moving distance can be arbitrarily increased, and By completely retracting the entire mounting device including the above from the normal installation position, overhaul of large furniture and cleaning of the installation floor can be easily performed.
[0028]
At the position corresponding to immediately above the fixed rail on the lower surface of the front end portion of the gantry, a stopper bolt is vertically installed so that the vertical height can be adjusted, and when the stopper bolt is located immediately above the fixed rail or the extension rail, When the lower end is pressed against the rail and the stopper bolt is positioned on the floor, the lower end is pressed against the floor to restrict the movement, which may cause unexpected accidents during normal installation, maintenance, inspection, and overhaul. Therefore, the safety can be improved without moving to the caster, and the load applied to the caster can be reduced or eliminated to improve the durability of the caster.
[Brief description of the drawings]
FIG. 1 is a simplified side view showing an apparatus for mounting a large furniture of the present invention.
FIG. 2 is a simplified front view.
FIG. 3 is a simplified plan view in which a gantry is omitted.
FIG. 4 is an abbreviated plan view showing the relationship between the fixed rail and the mounting device.
FIG. 5 is an enlarged sectional view showing a relationship between a fixed rail and wheels of a bogie.
FIG. 6 is an enlarged vertical sectional side view of a front portion of the mounting device.
FIG. 7 is a partially enlarged front view of a front portion of the mounting device.
8A and 8B show a wheel stopper of a fixed rail, FIG. 8A is a partial perspective view showing a state where a wheel stopper is attached to a front end of the fixed rail, and FIG. 8B is a partial perspective view showing an exploded state.
FIG. 9 is a partial perspective view showing an example of a structure for connecting a fixed rail and an extension rail.
FIG. 10 is a partial perspective view showing two examples of a structure for connecting a fixed rail and an extension rail.
FIG. 11 is a partially enlarged cross-sectional view showing a relationship between a limit switch and a projection for automatically stopping the mounting device during maintenance and inspection.
FIG. 12 is a partially enlarged cross-sectional view showing a relationship between a limit switch and a protrusion for automatically stopping the mounting device at the time of overhaul.
FIGS. 13A and 13B are explanatory views showing a use mode of the apparatus for mounting large furniture of the present invention, wherein FIG. 13A shows a normal installation state, FIG. 13B shows a maintenance and inspection state, and FIG. 13C shows an overhaul state.
[Explanation of symbols]
Reference Signs List A Large furniture B Mounting device C Wall surface D Floor surface 1 Gantry 2 Fixed rail 3 Dolly 4 Wheel 5 Caster 6 Upper frame 7 Lower frame 8 Holding rod 9 Horizontal member 10 Vertical member 11 Mounting member 12 Rotating shaft 13 Motor mounting member 14 Electric Motor 15 Gear 16 Protrusion 17 Protection part 18 Overturn prevention device 19 Stopper bolt 20 Pedestal 21 Nut 22 Head 23 Cover 24 Wheel stopper 25 Front plate 26 Side plate 27 Through hole 28 Screw 29 Screw hole 30 Extension rail 31 Connection hole 32 Protrusion Streak 33 Protecting part 34 Connecting plate 35 Through hole 36 Connecting rod 37 Screw 38 Hook piece 39 Ring piece 40 Operation plate 41 Limit switch 42 Projection 43 Forward limit switch 44 Projection 45 Reverse limit switch

Claims (4)

A device for mounting large furniture that can be installed close to a wall surface or the back of another large furniture, and that can be moved forward during maintenance and inspection. A plurality of fixed rails having the same length as the width are laid on the floor in a direction orthogonal to the back surface of the wall surface or other large furniture, and the depth width is substantially half the depth width of the gantry, A unitized trolley having a width substantially equal to the width of the gantry is fixed to a rear portion of a lower surface of the gantry, and wheels of the trolley are movable on the fixed rails and casters provided at a front end of the gantry are provided. A mounting apparatus for large-sized furniture, which is movable on a floor surface and has a detachable cover attached so that a fixed rail can be covered and hidden at least on a front side of the gantry . The mounting apparatus for a large-sized furniture according to claim 1, wherein the wheel of the bogie is driven to rotate by an electric motor. 3. The mounting apparatus for a large furniture according to claim 1, wherein an extension rail is detachably connected to a front end of the fixed rail, and the extension rail can be linearly laid on a floor surface in front of the fixed rail. At the front end lower surface of the gantry, at a position corresponding to immediately above the fixed rail, a stopper bolt is vertically suspended so that the height can be adjusted. 4. The mounting apparatus for a large furniture according to claim 1, wherein the lower end is pressed against the rail, and when the stopper bolt is positioned on the floor, the lower end is pressed against the floor to restrict movement.

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