JPH0743119Y2 - Lifting and supporting machine for plate materials - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention, when a plate material such as a gypsum board or a decorative plywood is attached to the ceiling of a building, lifts and supports the plate material to the ceiling. Regarding the machine.

(Prior Art) In general, a plate material such as a gypsum board or a decorative plywood is attached to the ceiling of a building in order to improve the appearance, to provide fire resistance, or to improve the heating and cooling efficiency. In the pasting work, conventionally, an operator uses a stepladder or the like to position the plate material while lifting it to the ceiling, and then tacks it with a nail or the like.

(Problems to be solved by the invention) However, among these plate materials, a large material such as a so-called sub-block board (3 shaku x 6 shaku), a gypsum board, and the like are considerably heavy. There are also things.
Conventionally, when these plate materials are attached to the ceiling, 2-3
A human worker uses a stepladder or the like to position the plate material while lifting it up to the ceiling, and another worker sticks it by nailing it with a nail or the like. For this reason, a considerable amount of labor is put on the worker, and there is a problem in terms of work efficiency.

Further, it is a very dangerous work for the worker to carry such a heavy object to climb a stepladder or the like, for example, the stepladder may fall down, or the stepladder may step out and fall.

The present invention has been made in view of the above situation,
The purpose is to raise and lower the plate material, which can improve work efficiency by reducing the labor of the operator when sticking the plate material to the ceiling, and can safely perform the work of sticking the plate material to the ceiling. To provide a support machine.

(Means for Solving the Problem) The means adopted by the invention according to claim 1 for solving the above-mentioned problem is, “A plate material for lifting and supporting a plate material (50) on a ceiling (60) of a building is provided. A lift support machine (100) comprising: a mounting portion (30) on which the plate material (50) is mounted; and an extendable air cylinder (20) for directly moving the mounting portion (30) up and down. A supporting leg portion (10) for vertically supporting the air cylinder (20), supporting the mounting portion (30) in a vertically rotatable manner with respect to the air cylinder (20), and a plate material. The plate (50) is inclined so that the plate (50) is not placed on the plate, and the plate (50) is placed horizontally when the plate (50) is placed on the end of the plate (30). The plate supporting member (100) is provided with a hooking portion (36) for locking the end of the plate material (50). It is an gist.

By the way, the lifting support machine (10
The work of attaching the plate material (50) to the ceiling (60) by using the (0) is performed as follows. That is, first, the plate material (50) is placed on the placing portion (30), then the air cylinder (20) is filled with air of a predetermined pressure to raise the placing portion (30), and the ceiling (60). The plate material (50) is supported by stopping slightly below. Then, the operator positions the plate material (50) while lifting it, and then nails it with nails or the like to attach the plate material (50) to the ceiling (60).

Then, in the step of stopping and supporting the plate material (50) slightly below the ceiling (60) in the sticking work, it is possible to prevent the mounting portion (30) from rising excessively and prevent the plate material (50) from rising. ) And the ceiling (60) are in close contact with each other, which makes it difficult to position the plate material (50), or the plate material (50) is lifted too much and the ceiling (60) is pierced. Therefore, the means adopted by the plate lifting / lowering support device (100) according to the invention of claim 2 is that "a height for restricting the height of the mounting portion (30) when the air cylinder (20) is maximally extended. A height adjusting portion (40) is provided, and a plate lifting / lowering support device (100) according to claim 1 is provided.
The means adopted by the device of claim 3 as a simple configuration of the above is that "the height adjusting portion (40) is the air cylinder (2
A plurality of engaging holes (41) provided at a predetermined interval in the first rod (21) which is the tip of the air cylinder (2).
Support hole (4) provided at the upper end of the second rod (22)
The plate material lifting / lowering support device (100) according to claim 2, characterized in that the plate material lifting / lowering support device (2) and a locking pin (43) fitted into the engagement hole (41) through the support hole (42). ) ”Is the summary.

(Operation of the Invention) By adopting the above means, each of the above inventions operates as follows.

First, a plate material lifting / lowering support device (100) according to the first aspect of the present invention.
Installs the plate material (50) on the placing part (30) with the air cylinder (20) contracting and the placing part (30) inclining. Then, when the placing portion (30) is in a horizontal state and the air cylinder (20) is filled with air of a predetermined pressure, the air cylinder (20) starts to expand, and the placing portion (30) starts to rise accordingly. Then, the plate material (50) placed on the placing portion (30) is lifted to the ceiling (60). When the air in the air cylinder (20) is removed after the plate material (50) is attached to the ceiling (60), the weight of the mounting portion (30) and the air cylinder (20) are The rods (21) (22) are naturally contracted by their own weight to lower the placing portion (30).

Then, the plate material lifting / lowering support device according to the invention of claim 2 (10
0) is the plate material (50) when the air cylinder (20) is extended.
When lifting, the height adjustment part so that the plate material (50) placed on the placing part (30) when the air cylinder (20) is most extended comes to a position slightly below the ceiling (60). The height of the placing portion (30) is regulated by (40).
Therefore, various configurations are conceivable for the height adjusting section (40), and the simplest configuration example is the plate lifting supporter (100) according to the invention of claim 3.

A plate lifting / lowering support device (100) according to the invention of claim 3 is provided at an upper end of a second rod (22) in an engagement hole (41) provided in a first rod (21) of an air cylinder (20). An air cylinder (20) is provided with a height adjusting section (40) for adjusting the maximum extension value of the air cylinder (20) by fitting the locking pin (43) through the provided support hole (42). The maximum height of the mounting (30) that is moved up and down by the locking pin can be regulated by providing the engaging holes (41) in the first rod (21) at predetermined intervals. (43)
Can be fitted into any engagement hole (41) so that the maximum extension value of the air cylinder (20) can be finely adjusted.

(Embodiment) Next, a plate material lifting / lowering support device (100) according to the present invention will be described in detail according to an embodiment shown in the drawings.

As shown in FIGS. 1 to 8, the plate lifting / lowering support device (100) includes a support leg portion (10), an air cylinder (20),
It is composed of a placing part (30) and a height adjusting part (40).

The support leg (10) vertically supports the air cylinder (20), and has two legs (1
1) (12), and swivel casters (13) provided at the tips of these legs (11) (12), respectively. The legs (11) (12) are fixed to the substantially disk-shaped support base (24) provided at the lower end of the air cylinder (20) by a thumbscrew (14) so that they can be disassembled and assembled. .

The air cylinder (20) directly moves the mounting portion (30) up and down, and as shown in FIGS. 2 and 11 to 13, a tubular rod (21 to 23) having different inner and outer circumferences. ) Are inserted into each of the rods (21 to 23), and the rods (21 to 23) are first rod (21), second rod (22)
And a third rod (23) can be sequentially inserted, and when inserted, the first rod (21) and the second rod (22) are housed in the third rod (23). It is formed (about 1 m). And this air cylinder (20)
When the air injection port (25) provided below it is filled with air at a predetermined pressure, the air pressure causes the second rod (22) and the first rod (23) to expand in this order, and the air is removed. The first rod (21) and the second rod (22) are contracted in this order by the weight of each rod (21) (22). Further, above the air cylinder (20), there is provided a height adjusting part (40) for regulating the height of the placing part (30) in the maximum extension of the air cylinder (20). As shown in FIGS. 11 to 13, the adjusting portion (40) includes a plurality of engaging holes (41) provided at predetermined intervals in the first rod (21) of the air cylinder (20) and a second engaging hole (41). A support hole (42) provided at the upper end of the rod (22) and a locking pin (4) fitted into the engagement hole (41) via the support hole (42).
3) consists of At the lower end of the first rod (21), air inside the second rod (22) does not escape to the outside by a sealing member (29) that moves up and down together with the first rod (21). Further, a disc-shaped pressing member (26) is provided at the upper end of the air cylinder (20), and the pressing member (26) and the support base (2) are provided.
By 4), the above-mentioned rods (21 to 23) are fastened via the four tightening rods (27) so as not to come off. It should be noted that the tightening rod (27) has a carrying handle (2), which is convenient for moving the entire lifting supporter (100).
There are two 8).

The placement section (30) is configured to lift and support the plate member (50) placed on the placement section (30) by expanding and contracting the air cylinder (20). This mounting part (30)
Two types of support arms (31) (32) that support the plate material (50),
Attach these support arms (31) (32) to the air cylinder (20)
And a hinge (33) removably fixed to the tip of the first rod (21). Of the support arms (31) (32), the first support arm (31) is formed in a substantially V-shaped plane, and the plate material (50) is placed on the placement part (30) at both ends thereof. A rubber sheet (35) is wrapped around the plate material (50) to prevent the plate material (50) from being damaged. The second support arm (32) is formed to have a heavier weight than the first support arm (31) by being formed in a substantially V-shape in a plane and then further bending both tip ends thereof to hang downward. . A hooking portion (36) is provided at both ends of the second support arm (32), and the hooking portion (36) has a rectangular tubular case as shown in FIG. (37) and a latching piece (38) that slides inside the case (37)
And a coil spring (39) for urging the sliding of the retaining piece (38) upward. A rubber sheet (35) for preventing the plate member (50) similar to the first support arm (31) from being scratched is also wound around both ends of the second support arm (32). .

The hinge (33) is fixed to the tip of the first rod (21) of the air cylinder (20). The hinge (33) has the first support arm (31) and the second support arm (32) described above. ) Is detachably fixed via a thumbscrew (14). Then, as shown in FIGS. 6 and 9, the hinge (33) is
The stopper (34) stops the expansion at a constant angle, and in this embodiment, the expansion is stopped at about 80 degrees with respect to the horizontal. The mounting portion (30) configured in this way is shown in FIG. 6 when the plate material (50) is not loaded due to the difference in weight between the first support arm (31) and the second support arm (32). As shown in, the second support arm (32) is inclined toward the side.

The plate material lifting / lowering support device (100) according to this embodiment configured as described above operates as follows. That is, the operator moves the lifting support machine (100) to a position corresponding to the place of the ceiling (60) where the plate material (50) is to be attached, and adjusts the height according to the height of the ceiling (60). The maximum extension value of the air cylinder (20) by the part (40), that is, the mounting part (3
Adjust the maximum height of 0). It has an engagement hole (41) provided in the first rod (21) of the air cylinder (20).
This is done by fitting a locking pin (43) into any of the holes through a support hole (42) provided at the upper end of the second rod (22).

Next, place the plate (5
Place 0). At this time, since the placing portion (30) is in an inclined state and the hooking portion (36) is formed at the tip of the second supporting arm (32) of the placing portion (30), the plate member is formed. The edge of (50) can be hooked on the hooking part (36) to be easily placed. When the plate material (50) is placed on the placing part (30), the plate material (5
The mounting part (30) falls backward due to its own weight of 0), and the plate material (50) is supported in a horizontal state.

Next, when the air cylinder (20) is filled with air of a predetermined pressure, the air cylinder (20) is connected to the first rod (2
2), the first rod (21) is extended in this order, and the placement section (30) starts to rise accordingly, and the placement section (3)
Lift the plate (50) placed on (0) to the ceiling (60). The air cylinder (20) extends and the height adjustment part (4
When the maximum extension value adjusted in (0) is reached, the plate member (50) placed on the placing section (30) is held at a position slightly below the ceiling (60). At this time, the latching piece (38) of the latching part (36) provided on the second supporting arm (32) of the placing part (30) presses the ceiling (60) as shown in FIG. The hook piece (38) is the coil spring (39).
Since it slides in the case (37) against, the ceiling (60) will not be damaged or pierced.

After that, the operator slightly lifts the plate material (50) to bring it into close contact with the ceiling (60), and then nails and nails the plate material (50).
Affix it to the ceiling (60) in place.

When the air in the air cylinder (20) is removed after the sticking work is completed, the air cylinder (20) is placed on the mounting part (30).
Each weight (21) of the air cylinder (20) and its own weight
Due to the own weight of (22), the first rod (21) and the second rod (2
The contraction is performed in the order of 2) and the placing part (30) is lowered. At this time, the placing section (30) gradually returns to the inclined state as it descends, and prepares for the work of placing the next plate member (50) on the placing section (30).

By the above operation, the work of attaching the plate material (50) to the ceiling (60) is completed.

In this way, the plate material lifting / lowering support device (100) according to the present embodiment.
Is heavy because the plate material (50) placed on the placing part (30) can be freely lifted up to the vicinity of the ceiling (60) by filling the air cylinder (20) with air of a predetermined pressure. When the plate material (50) is attached to the ceiling (60), the plate material (50) is used by a couple of workers like the conventional one.
It is possible to perform positioning and sticking work easily by one worker without lifting and positioning the nails and sticking nails or the like by other workers, which results in efficient work. It can be performed. Also, 2-3 as in the past
Since it is not necessary for a human operator to carry the plate material (50) to climb a stepladder or the like, the sticking work can be performed extremely safely.

Further, according to the lifting support machine (100), when the air cylinder (20) is extended and the plate material (50) is lifted, the placing portion (30) when the air cylinder (20) is most extended.
Since the height of the placing part (30) can be regulated by the height adjusting part (40) so that the plate material (50) placed on the table is located slightly below the ceiling (60), The part (30) rises too much and the plate material (50) and the ceiling (60) come into close contact with each other, making it impossible to position the plate material (50), or
There is no risk of accidentally raising the plate material (50) too much and breaking through the ceiling (60).

Further, in this embodiment, since the placing portion (30) is formed to be in an inclined state, the work of placing the plate material (50) on the placing portion (30) becomes extremely easy.

Furthermore, in this embodiment, the support leg portion (10), the air cylinder (20), and the mounting portion (30) are detachably formed, so that they are small and lightweight, which is very convenient to carry. In addition, since the support legs (10) are provided with the free casters (13), it is possible to easily deal with the movement of the work place.

In the present embodiment, the air cylinder (20) is a three-stage type consisting of three rods (21-23), but it is of course possible to use a four-stage type or the like, and the height adjustment is also possible. The structure of the part (40) is not limited to the above embodiment, and when various materials such as a limit switch or an optical sensor are used, when the plate material (50) approaches the ceiling (60), Alternatively, the air filling of the air cylinder (20) may be automatically stopped to control the maximum height of the mounting portion (30).

(Effects of the Invention) As described above, the plate lifting / lowering support device according to the invention of claim 1 is a plate material lifting / lowering support device for lifting and supporting a plate material on a ceiling of a building. A mounting part and an expandable air cylinder that directly moves the mounting part up and down,
And a supporting leg portion for vertically supporting the air cylinder, the mounting portion is supported so as to be rotatable in the vertical direction with respect to the air cylinder, and the plate material is tilted in a state in which it is not mounted to It is configured to be horizontal when placed, and the end of this placing part is provided with a latching part that latches the end of the plate material in the inclined state of the placing part. " I am trying.

Therefore, according to this lift supporter, the plate material placed on the mounting portion can be freely lifted up to the vicinity of the ceiling by filling the air cylinder with air of a predetermined pressure, so that a heavy plate material is attached to the ceiling. When sticking, the plate material is lifted and positioned by two to three workers as in the conventional case, and one worker does not need to stick and stick the nails or the like by another worker. Positioning and sticking work can be performed easily, which allows efficient work. In addition, it is not necessary to carry a plate material to climb a stepladder or the like by two to three workers as in the conventional case, and therefore the sticking work can be performed extremely safely. Further, since the mounting portion is formed so as to be rotated by a predetermined angle with respect to the air cylinder to be in an inclined state, the work of mounting the plate member on the mounting portion is extremely easy.

In addition, the plate lifting / lowering support device according to the invention of claim 2 is characterized in that "a height adjusting part for restricting the height of the mounting part at the time of maximum extension of the air cylinder is provided". I am trying.

Therefore, according to this elevating support device, when the air cylinder extends and lifts the plate material, the plate material placed on the mounting part when the air cylinder is most extended comes to a position slightly lower than the ceiling. Since the height of the placing portion can be regulated by the height adjusting portion, the placing portion rises too much,
There is no risk that the plate material and the ceiling will come into close contact with each other and positioning of the plate material will be impossible, or that the plate material will be erroneously raised too much and the ceiling will be broken.

Further, the plate material lifting / lowering support device according to the invention of claim 3 is
"The height adjusting portion includes a plurality of engagement holes provided at predetermined intervals on a first rod that is a tip of the air cylinder,
It is composed of a support hole provided at the upper end of the second rod of the air cylinder and a locking pin fitted into the engagement hole through the support hole. "

Therefore, according to this lift supporter, the locking pin is fitted into an arbitrary engagement hole provided at a predetermined interval in the first rod of the air cylinder through the support hole provided at the upper end of the second rod. With such a simple structure, the maximum extension value of the air cylinder, that is, the maximum height of the mounting portion that is vertically moved by the air cylinder can be finely adjusted, so that the mounting portion can be adjusted according to the height of the ceiling. The maximum height of the plate, that is, the maximum height for lifting the plate material can be easily adjusted.

[Brief description of drawings]

1 is a perspective view showing an embodiment of a plate lifting / lowering support device according to the present invention, FIG. 2 is a perspective view showing a state in which an air cylinder is extended in FIG. 1, and FIG. 3 is shown in FIG. FIG. 4 is a rear view, FIG. 5 is a right side view of the same, FIG. 6 is a right side view showing a state in which the mounting portion is inclined, and FIG. FIG. 8 is a plan view of the plate lifting / lowering support machine shown in FIG. 8, FIG. 8 is a bottom view of the same, FIG. 9 is a partially enlarged side view near the hinge in FIG. 6, and FIG. FIG. 11 is a partially enlarged cross-sectional view of the vicinity of the latching portion, FIG. 11 is a partially enlarged perspective view of the tip of the air cylinder that is the height adjusting portion, FIG. 12 is a vertical sectional view of FIG. 11, and FIG. FIG. 13 is a vertical cross-sectional view corresponding to FIG. 12 showing a state of being fitted in the engagement hole of FIG. Explanation of code 100 …… Plate lifting support, 10 …… Support legs, 11 ……
Legs, 12 …… legs, 13 …… universal casters, 14 …… thumbscrew,
20 …… air cylinder, 21 …… first rod, 22 …… second rod, 23 …… third rod, 24 …… support base, 25 …… air inlet, 26 …… presser member, 27 …… tightening Rod, 28 ... Carrying handle, 29 ... Sealing member, 30 ... Placement part, 31 ... First support arm, 32 ... Second support arm, 33 ... Hinge, 34 ... Stopper, 35 ... Rubber sheet, 36 ... Latching part, 37 ... Case, 38 ... Latching piece, 39 ... Coil spring, 40 ... Height adjusting part, 41 ... Engaging hole, 42 ... Supporting hole, 43 ...... Locking pin, 50 …… Plate material, 60 …… Ceiling.

Claims (3)

[Scope of utility model registration request] 1. A plate material elevating and lowering machine for lifting and supporting a plate material on a ceiling of a building, comprising: a mounting portion on which the plate material is mounted; and an extendable air cylinder for directly moving the mounting portion up and down. And a supporting leg portion for vertically supporting the air cylinder, which supports the mounting portion so as to be rotatable in the vertical direction with respect to the air cylinder, and in a state where no plate member is mounted, the mounting portion is disposed. Of the mounting part centered on the rotation fulcrum of the mounting part and the plate part placed on the front side and the rear side of the mounting part centering on the rotation fulcrum of the mounting part It is configured to be horizontal due to the difference in weight between the front side and the rear side, and the tip end elastically expands and contracts in the vertical direction at the end of this mounting part.
An elevating and lowering support machine for a plate material, comprising a hooking part for hooking an end part of the plate material when the placing part is inclined. 2. A plate material lifting / lowering support machine according to claim 1, further comprising a height adjusting portion for regulating a height of the placing portion when the air cylinder is maximally extended. 3. The height adjusting portion includes a plurality of engagement holes provided at predetermined intervals on a first rod which is a tip of the air cylinder, and a support provided on an upper end of a second rod of the air cylinder. 3. A hole and a locking pin fitted into the engagement hole via the support hole.
Lifting and supporting machine for the plate material described.