JP2001323663A - Collapsable unloading device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a collapsable unloading device capable of reducing labor in unloading work for various sorts of material at a construction site in a building, condominium, or the like, and unloading work for goods to be moved onto the floor. SOLUTION: This device is composed of a collapsable rail frame 1, an unloading slide frame 2 slidably provided on the rail frame 1, the rail frame 1 is composed so that it can be elongated to reach an upper part of a floor 6 from a floor 4 under it or from the ground, and the unloading slide frame 2 is composed so that it can be elevated along the rail frame 1 by a winch 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used to discharge pipe supports, single pipes, control panels, formwork and other materials from a lower floor to a higher floor at a construction site such as a building or an apartment. The present invention relates to a foldable unloading device and a foldable unloading device used for unloading luggage to be moved upstairs.

[0002]

2. Description of the Related Art It is well known that the work of unloading the above-mentioned various materials at construction sites such as buildings and condominiums usually depends on human power and is heavy labor.

For example, in the construction of a condominium with 10 rooms per floor, the number of supports (mainly pipe supports) that temporarily support the floor and beams is 100 to 120 per room. 1000-12
It will be 00. Beam formwork and square lumber (wood 100 mm x 1
00 mm, steel pipe, etc.) are also used in large quantities.

The effort required to unload these materials to the upper floor is enormous.

[0005]

However, there has not been proposed any apparatus suitable for labor saving in the unloading operation of various materials and moving luggage as described above.

[0006] Further, in a moving operation in a detached house or condominium of two stories or more, there is no easy unloading device capable of unloading the moving luggage.

Accordingly, the present invention provides a foldable unloading device capable of saving labor for unloading various materials at a construction site such as a building or an apartment, and a foldable unloading device used when unloading a moving luggage to a floor. The challenge is to do.

[0008]

Means for Solving the Problems In order to achieve the object, the invention according to claim 1 comprises a foldable rail frame and an unloading slide frame slidably provided on the rail frame. The rail frame can be extended to a length extending from a lower floor or the ground to above the upper floor, and the unloading slide frame can be moved up and down along the extended rail frame by driving means. It is characterized by:

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the rail frame can extend from the lower floor to the length extending from the lower floor through the ceiling slab to above the upper floor. It is characterized by that.

[0010] The invention described in claim 3 is the invention according to claim 1 or 2.
In addition to the configuration described in the above, the foldable rail frame is composed of a first-stage rail frame, a second-stage rail frame, and a third-stage rail frame having C-shaped channels with grooves facing outward on both sides,
The distal end of the C-shaped channel of the first-stage rail frame and the proximal end of the C-shaped channel of the second-stage rail frame are refractably connected to each other. The base end of the C-shaped channel of the step rail frame is connected to bendable, and the unloading slide frame is provided with wheels on both sides that engage with the C-shaped channel of each of the rail frames and travel. Features.

According to a fourth aspect of the present invention, in addition to the configuration of the third aspect, the second rail frame and the third rail frame have an extended length from the floor below the floor to the ceiling slab. It is characterized by having a length not exceeding.

According to a fifth aspect of the present invention, in addition to the third aspect, the unloading slide frame has a length substantially equal to the length of the first-stage slide frame.

[0013] The invention according to claim 6 is the invention according to claims 1 to 5.
In addition to the configuration described in any one of the above, the unloading slide frame is provided with a mounting table at a lower portion and a support plate having a notch formed at a side edge at an upper portion. .

Further, the invention described in claim 7 is the first invention.
In addition to the configuration described in any one of the above-described embodiments, the unloading slide frame includes a mounting table at a lower portion, and a holding bracket at an intermediate portion to which an end of a fixing member for fixing the load can be connected. It is characterized by having.

[0015]

Embodiments of the present invention will be described below.

FIG. 1 shows a use state of a foldable unloading device according to an embodiment of the present invention.

This foldable unloading device comprises a foldable rail frame 1 and an unloading slide frame 2 slidably provided on the rail frame 1. In the figure, reference numeral 3 denotes a ceiling slab, and the folding rail frame 1
Is extended from the lower floor 4 through a through hole (commonly called a useless hole) 5 formed in the ceiling slab 3 to extend above the upper floor 6 as shown in the figure.

A winch (driving means) 7 is provided below the foldable rail frame 1, and an end of a wire rope 8 wound up and rewinded by the winch 7 is fixed to an upper portion of the rail frame 1. And the wire rope 8
Are wound sequentially around a pulley 9 provided on the upper part of the rail frame 1 and a pulley 10 provided on the unloading slide frame 2. The unloading slide frame 2 can be moved up and down along the rail frame 1 by driving the winch 7.

As can be seen from FIGS. 2 and 3 in which the foldable unloading device is shown in a folded state, the foldable rail frame 1 includes a first-stage rail frame 11, a second-stage rail frame 12, and a third-stage rail frame. It is composed of a rail frame 13. Each of the rail frames 11, 12, and 13 has a C-shaped channel 14 on both sides thereof with the groove 14a facing outward.
The cross rail 15 is provided between the mold channels 14 and has a substantially ladder shape. First-stage rail frame 11 and second-stage rail frame 1
The lengths of the two are approximately equal. On the other hand, the third stage rail frame 1
The length of 3 is about ／ of the length of the first and second rail frames 11 and 12.

First stage rail frame 11 and second stage rail frame 12
The connecting bracket 16 attached to the tip of the C-shaped channel 14 of the first rail frame 11 and the second rail frame 1
A connecting bracket 17 attached to the base end of the second C-shaped channel 14 is overlapped, and is connected to these through a connecting bolt 18 so as to be able to bend. Each connection bracket 16, 17
Are formed with through-holes 19 and 20 that match at the time of extension. The stopper bolt 21 is inserted into the through-holes 19 and 20 (see FIGS. 1 and 3) to maintain the extended state. The continuous state of the groove 14a of the mold channel 14 is ensured.

Second stage rail frame 12 and third stage rail frame 13
The tip of the C-shaped channel 14 of the second-stage rail frame 12 and the base end of the C-shaped channel 14 of the third-stage rail frame 13 are hingedly connected by a hinge 22. Also, L-shaped brackets 23, 24 are provided inside the connection end of each C-shaped channel 14.
Is attached, and when extended, the L-shaped bracket 23,
The extended state is maintained by fixing the parts 24 to each other with bolts 25, so that the continuous state of the grooves 14a of the upper and lower C-shaped channels 14 can be ensured (see FIG. 7).

Next, the unloading slide frame 2 is composed of the vertical rails 26 on both sides and a plurality of horizontal rails 27 passed between the vertical rails 26.
It is formed in a ladder shape having substantially the same length and width as the step rail frame 11, and wheels 28 provided at predetermined intervals along the vertical rails 26 on both sides are C of the rail frames 11, 12, and 13 of each step. The groove 14a of the mold channel 14 is engaged so that the vehicle can travel without derailing. A mounting table 29 is attached between the lower ends of the vertical bars 26 so as to project forward, and a pipe support 30 as shown in FIG.
And the like can be placed side by side along the front surface of the unloading slide frame 2.

In this embodiment, in particular, the unloading of the pipe support 30 is taken into consideration, and a support plate 31 is provided on the upper part of the unloading slide frame 2 so as to be able to undulate between the vertical bars 26. As shown in FIG. 2, the support plate 31 is a plate having a plurality of notches 32 formed on a side edge thereof.
And is rotatable by a pin 34 attached to the outer side surface. Then, the support plate 3 is set so that the notch 32 becomes the leading edge.
Assuming that 1 is a prone state (horizontal state), the placing table 2
The upper part of the pipe support 30 mounted on the pipe 9 is accommodated in the notch 32 as shown in FIG. 4, so that lateral displacement can be prevented.

Further, a holding ring 35 for connecting an end of an elastic fixing member (not shown) such as a rubber band is provided at an intermediate portion of the vertical rail 26 of the unloading slide frame 2. is there. An L-shaped lateral displacement prevention plate 36 is also mounted between the holding bracket 35 and the support plate 31. This side slip prevention plate 36
Has a central corner portion rotatably attached to the vertical rail 26 via a pin 37, and one side of the side slip prevention plate 36 is provided in front of the unloading slide frame 2 as required by a chain line in FIG. The material placed on the placing table 29 can be prevented from lateral displacement.

Next, the operation of the folding type unloading device of the above embodiment will be described.

First, since the rail frame 1 is constructed so as to be foldable by the first-stage rail frame 11, the second-stage rail frame 12, and the third-stage rail frame 13, this folding type unloading device is shown in FIGS. As shown in the above, it can be folded and carried to the construction site. For example, by setting the length of the first-stage rail frame and the second-stage rail frame to about 1700 mm and the width to about 600 mm, it can be easily transported in a luggage compartment of an ordinary car such as a light van or a wagon car. Is possible.

When the foldable rail frame 1 is extended as shown in FIG. 1, the foldable unloading device carried into the construction site reaches from the lower floor 4 to the upper floor 6 as described above. As a result, the unloading slide frame 2 can be moved up and down along the elongated rail frame 1, so that the material of the lower floor 4 can be easily unloaded to the upper floor 6 through the through hole 5 through this elevating. It is possible to save labor. The lifting and lowering of the unloading slide frame 2 is performed by operating the winch 7 with the switch box 38. By unwinding the wire rope 8, the unloading slide frame 2 can be raised, and by unwinding, the unloading slide frame 2 can be lowered by its own weight.

First stage rail frame 11, Second stage rail frame 12
FIGS. 5 to 8 show how the third-stage rail frame 13 is extended. First, on floor 4 downstairs,
As shown in FIG. 5, the second-stage rail frame 12 is raised by 90 degrees from the first-stage rail frame 11 together with the third-stage rail frame 13. Next, the third-stage rail frame 13 is further raised by 180 degrees as shown in FIG.
The third stage rail frame 13 is extended. Therefore, the second-stage rail frame 12 and the third-stage rail frame 13
If the length of the extension is set so as not to exceed the height H from the floor 4 downstairs to the ceiling slab 3, the third rail frame 13 can be prevented from hitting the ceiling slab 3. It is desirable.

Second-stage rail frame 12 and third-stage rail frame 13
L-shaped bracket 23 to maintain the extended state of
FIG. 7 shows a state in which the bolt 25 is inserted and fixed to 24.

Second stage rail frame 12 and third stage rail frame 13
After being extended and fixed, the second-stage rail frame 12 and the first-stage rail frame 13 are joined while the front end of the third-stage rail frame 13 faces below the through hole 5 formed in the ceiling slab 3 as shown in FIG. The rail frame 11 is changed from a right angle refraction state to an extended state. As a result, as shown in FIG. 8, the third rail frame 13 moves above the floor 6 on the upper floor through the through hole 5, and then the upper part of the second rail frame 12 also moves upward through the through hole 5. Move above the floor 6. When the second rail frame 12 is completely extended with respect to the first rail frame 11,
When the extension state is fixed by inserting the stopper bolt 21 into the through holes 19 and 20 of the connection brackets 16 and 17, the preparation for the unloading work is completed.

When unloading the pipe support 30, the support plate 31 provided on the unloading slide frame 2 is used in a horizontal state. Multiple pipe support 30
Are placed side by side, the lower end is placed on the placing table 29, and the upper end is cut out of the support plate 31 one by one.
When a rubber band or another linear or band-shaped fixing member is stretched on the holding brackets 35 provided on both sides of the unloading slide frame 2, the plurality of pipe supports 30 are not shifted laterally, and the unloading slide frame is also provided. 2 can be held firmly without falling forward.

Therefore, the pipe support 30 can be secured safely.
It can be reliably discharged to the floor 6 upstairs. Since the fixing member stretched over the holding bracket 35 can be easily removed from the holding bracket 35, the unloaded pipe support 3 can be removed.
The work of unloading 0 from the mounting table 29 can also be performed quickly, and as a result, the entire unloading work can be efficiently performed in a short time with a small amount of labor.

When unloading a plate-like material such as a control panel, the work is performed with the support plate 31 raised as shown in FIG. On the other hand, the side slip prevention plate 3
6 is rotated as shown by a chain line in FIG.
To prevent the material placed on the side from shifting sideways. Unloading slide frame 2
Since the first material is approximately the same length as the first rail frame 11 and relatively long, the long material can be stably placed and unloaded.

The above embodiment has been described with reference to the case where the present invention is used for unloading various materials at a construction site. However, the present invention can also be used for unloading luggage to be moved to a floor with almost the same configuration.

When unloading the moving luggage, the supporting table 31 at the upper part of the unloading slide frame 2 is not used, and the mounting table 29 at the lower part of the unloading slide frame 2 can be loaded with various moving luggage. , May be formed larger than that of the pipe support 30.

If necessary, the unloading slide frame 2
The end of a rubber band or other linear or band-shaped fixing member may be connected to the holding metal member 35 provided at the intermediate portion of the above to suppress the play of the load.

[0037]

As described above, according to the invention described in each claim, the unloading slide frame is mounted on the lower rail or the folding rail frame having a length extending from the ground to above the upper floor. Since the lifting slide frame is provided so as to be movable up and down by the driving means, labor for unloading various materials at the construction site and unloading the moved luggage to the floor can be reduced. Further, since the rail frame is of a foldable type, transportation can be facilitated.

According to the second aspect of the present invention, in addition to the above effects, the unloading slide is mounted on the foldable rail frame having a length extending from the lower floor to the upper part of the upper floor through the ceiling slab. Since the frame is provided so as to be able to move up and down and the unloading slide frame is moved up and down by the driving means, labor for unloading various materials at the construction site using the through holes provided on the upper floor can be reduced. .

According to the third aspect of the present invention, in addition to the above-described effects, the folding rail frame can be folded relatively short, and can be transported by an ordinary car. Since the wheels of the unloading slide frame are engaged with the grooves of the C-shaped channel and run, the lifting of the unloading slide frame can be smoothly performed.

According to the fourth aspect of the present invention, in addition to the above effects, the extension work of the foldable rail frame on the floor below the floor can be performed without any trouble.

According to the fifth aspect of the present invention, in addition to the above effects, so-called long material can be stably placed and the unloading operation can be smoothly performed. Further, since the unloading slide frame can be prevented from protruding from the folded rail frame, it is possible to prevent the unloading slide frame from being in the way during transportation.

According to the sixth aspect of the present invention, in addition to the above-described effects, in particular, the pipe support can be safely unloaded without lateral displacement or collapse of the load.

According to the seventh aspect of the present invention, in addition to the above-mentioned effects, in particular, it is possible to unload the moved luggage safely without side displacement or collapse.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a use state of an embodiment of the present invention.

FIG. 2 is a front view of the embodiment of the present invention in a folded state.

FIG. 3 is a side view of the embodiment of the present invention in a folded state.

FIG. 4 is a plan view of a portion of a support plate according to the embodiment of the present invention.

FIG. 5 is a view for explaining a state of extension of the foldable rail frame according to the embodiment of the present invention, in which the second rail frame is raised 90 degrees together with the third rail frame.

FIG. 6 is a view for explaining a state of extension similarly, showing a state in which the third-stage rail frame is further raised by 180 degrees with respect to the second-stage rail frame.

FIG. 7 is a view for explaining the state of extension, in which the extended state of the second-stage rail frame and the third-stage rail frame is fixed.

FIG. 8 is a view for explaining a state of extension, and is a view showing a state where a second-stage rail frame and a first-stage rail frame are extended.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Foldable rail frame 2 Unloading slide frame 3 Ceiling slab 4 Floor downstairs 5 Through hole 6 Floor upstairs 7 Winch 11 1st rail frame 12 2nd rail frame 13 3rd rail frame 14 C type channel 14a Groove 28 Wheel 29 Mounting table 31 Support plate 32 Notch

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Katsushige Tadano 2436, Hakunaka, Ohira-machi, Ohira-machi, Shimotsuga-gun, Tochigi Prefecture Within Nihon Shinar Co., Ltd. (72) Inventor Takahiro Hoshino 307-12 Shinkawa, Niisato-mura, Seta-gun, Gunma F-term (reference) 2E174 CA03 CA16 CA43 3F333 AA06 AB09 BD05 BF01 BF04 BF09 BG04 DB04

Claims (7)

[Claims] 1. A rail frame comprising a foldable rail frame and an unloading slide frame slidably provided on the rail frame, wherein the rail frame extends from a floor below the floor or above the ground to above the floor above the floor. It is possible to extend it,
A foldable unloading device, wherein the unloading slide frame can be moved up and down along the elongated rail frame by a driving means. 2. The foldable rail according to claim 1, wherein the rail frame is extendable from the downstairs floor to a length extending through the ceiling slab and above the upstairs floor. Unloading device. 3. A foldable rail frame is provided with a first-stage rail frame having C-shaped channels with grooves facing outward on both sides.
The front end of the C-shaped channel of the first-stage rail frame and the base end of the C-shaped channel of the second-stage rail frame are refractably connected with each other. The distal end of the C-shaped channel of the second-stage rail frame and the base end of the C-shaped channel of the third-stage rail frame are refractably connected to each other.
3. The foldable unloading device according to claim 1, further comprising wheels running on both sides of the mold channel. 4. The foldable unloading device according to claim 3, wherein the extended length of the second and third rail frames does not exceed the height from the floor below the floor to the ceiling slab. 5. The folding unloading device according to claim 3, wherein the unloading slide frame has a length substantially equal to the length of the first-stage slide frame. 6. The unloading slide frame has a mounting table at a lower portion and a support plate having a notch formed at a side edge at an upper portion.
The foldable unloading device according to any one of the preceding claims. 7. The unloading slide frame is provided with a mounting table at a lower portion and a holding bracket at an intermediate portion capable of connecting an end of a fixing member for fixing a load. 2. The foldable unloading device according to claim 1.