JP2000143145A - On-stair heavy cargo conveying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily move a heavy cargo on stairs by a few unskillful persons by pushing the auxiliary posts to the floor surfaces or stair surfaces, and hoisting main posts by a winch. SOLUTION: Auxiliary posts 4a are respectively mounted on front and back four main posts 3a, 3b of an on-stair heavy cargo conveying device in such manner that they can be hoisted and lowered, and only the front main posts 3a or four front and back main hosts 3a, 3b are lifted up by utilizing a winch for hoisting heavy cargo in a state that the auxiliary posts are pushed to a floor surface. On this occasion, the front main posts 3a are stood on a stair several steps upper than that of the back main posts 3b, so that they can be straightly stood on the stairs, and the operation for hoisting the heavy cargo by 2-4 steps of the stairs by utilizing main post pedestals for supporting the casters 3d of the lower ends of the front and back main posts 3a, 3b and a heavy pedestal, and loading the heavy cargo on the heavy cargo pedestal, is repeated for conveying the heavy cargo on stairs.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple heavy article stair transfer apparatus capable of easily moving a relatively heavy object on a narrow staircase.

[0002]

2. Description of the Related Art Conventionally, when carrying heavy goods on stairs, it is necessary to rely on some means because it is a narrow place and cannot be operated by a large number of people. And a traveling truck carrying a heavy object along the slope (for example, Japanese Utility Model Publication No. 05-37989) or a rubber caterpillar driven by power over a plurality of stairs. It was carried out by a method such as using a truck equipped.

[0003]

The above-described conventional ramps laid on stairs have problems that it is difficult to adapt to different lengths of the stairs, it is difficult to fix the stairs to the stairs, and the equipment cost is bulky. A truck with a power supply requires power, is expensive, cannot be used easily, and has a problem that even a rubber caterpillar can easily damage the stairs.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention discloses a pulley support arm type unloading system using a two-piece wire rope in Japanese Patent Application No. 1998-882, filed by the present applicant. The device is improved so that heavy objects can be transported stairs. Short sub-posts are attached to the two main posts before and after the device so as to be able to move up and down, and the sub-posts are winched to the floor. Alternatively, it is configured to be able to lift only two front main posts or all four main posts by protruding against a stair surface.

[0005] By lifting and fixing the front two main posts at the height of 2 to 4 steps of the stairs, it becomes possible to stand upright at an arbitrary position on the stairs, and in this state, a heavy object is lifted and the runway is lifted. After moving forward along the rail, once lowering and moving forward on a roller conveyor type heavy load receiving tray placed at a position higher by 2 to 4 steps, move the whole device to 2 to 4 steps above the stairs, and again By repeating the operation of lifting and moving the heavy object several times, the heavy object is moved stepwise.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is directed to a front main post holding cylinder and a rear main post holding cylinder which are fixed to two front corners and two rear corners of a rectangular upper end frame, respectively. Insert the upper ends of the front main post and rear main post with casters with adjustable stopper function from below, and the front main post penetrates the front main post holding cylinder upward and adjusts the height in multiple steps The rear main post is held by the rear main post holding cylinder so as not to penetrate upward.

A front sub-post and a rear sub-post each having a height of not more than half of the main post and a non-slip end at the lower end are provided outside the front and rear main posts in the left-right direction.・ Along with the rear main post, it can be moved up and down freely.
Main post horizontal rails that maintain the space between the rear main posts are provided on both the left and right sides.

Further, the upper ends of two front and rear auxiliary stays into which a plurality of different diameter pipes are inserted so as to be able to expand and contract are respectively fitted to the front and rear main posts so as to be vertically movable. The bracket is pivotally supported in the front-rear direction so that it can rotate in the front-rear direction, and the left and right two are connected near the lower end with parallel stays near the lower end to maintain the inclination angle in the front-rear direction with respect to the front and rear main posts. Adjustably provided.

A runway rail made of I-shaped steel is attached to the center of the lower side of the upper frame in the width direction so that it can be attached to and detached from the runway rail, and a runnable saddle is mounted on the runway rail. A first pulley and a first pulley having a winch attached to the lower end of the bend by attaching a winch support arm extending backward and bending downward, and attaching the winch wire rope to the bend corner of the winch support arm and the lower side of the pre-saddle. After passing through two pulleys, a horizontal suspension beam that lifts heavy objects is connected to the tip hanging down from the center of the plenum saddle.

[0010] A small pulley is attached to the inner lower end of the front / rear main post opposite to the front and rear, and connected to the upper end of the front / rear subpost via the small beam from the suspension beam. And a main post lifting wire rope for lifting the front / rear main post by causing the front / rear sub-posts to strike the floor or the stairs by winding up.

Two main post supporting plates made of a grooved steel for supporting the lower end of the front main post or the rear main post on the stairs are arranged in parallel with the groove shape facing upward, and the back surface is formed with two grooves.
At least two main post cradles having a pair of left and right height-adjustable legs are provided on both sides of the rear surface of the rear end of the laterally connected members of the book.

A pair of right and left height-adjustable legs are attached to both sides of the rear surface near the rear end of a roller conveyor having a predetermined width and length for temporarily placing a heavy object on the stairs. A heavy object support is provided as an accessory.

[0013]

Embodiments will be described with reference to the drawings.
1 as viewed from the side, FIG. 2 as viewed from a plane, FIG. 3 as viewed from the direction of arrow P, FIG. 3 as a state in which the front main post is lifted, and FIGS. ,
Reference numeral 1 denotes an upper end frame, which is a rectangular frame made of equilateral angle iron, and has a front main post holding cylinder 2 penetrating vertically into two front corners.
a, the rear main post holding cylinder 2 with the upper end closed at the two rear corners
b, respectively, and the front main post 3a and the rear main post 3b each having a caster 3d with a stopper at the lower end are inserted from below to insert the main post holding cylinder 2a,
Fixing holes penetrating laterally near the upper ends of the front and rear main posts 3a, 3b are aligned with main post fixing holes 2c provided in the main post 2b, and fixing pins 3g are fixed to penetrate laterally.

The front main post 3a and the rear main post 3b are provided with stop pin holes 3f at intervals equal to the height of the stairs, and the front main post holding cylinder 2a passes through the front main post 3a upward. Alternatively, as shown in FIGS. 4 and 5, the front main post 3a may be replaced with a front sub post 4a to be described later according to the number of steps.
And lift the front and rear main post holding cylinders 2a,
2b is fixed by a stop pin 3g, and fine adjustment of the height is performed by a caster 3d, so that it can be erected at an arbitrary position on the stairs as shown in FIGS.

As shown in FIG. 3, front and rear main posts 3a,
The front and rear sub-posts 4a and 4b, which are less than half the height of the front and rear main posts 3a and 3b, are provided at the lower end of the front and rear sub-posts 4a and 4b with a non-slip device 4d. Sub-post elevating guides 3a ', 3b' protruding from the lower ends of the front and rear main posts 3a, 3b; and main post elevating guides protruding from the upper ends of the front and rear sub-posts 4a, 4b. 4a 'and 4b' are inserted into each other, and are attached to the front and rear main posts 3a and 3b so as to be able to move up and down.

The sub-post elevating guide 3a 'near the upper end of the front sub-post 4a or the lower end of the front main post 3a, and the sliding cylinder 5 slidably fitted on the outer periphery of the rear main post 3b. Main post horizontal rails 6 are provided on both the left and right sides to maintain the space between the front and rear main posts 3a and 3b.

The main post horizontal rail 6 is used when the front and rear main posts 3a and 3b of FIG. 1 stand on the same floor, or when the front main post 3a raises the stairs by two steps as shown in FIG. 5, one end is connected to the vicinity of the upper end of the front sub-post 4a, and as shown in FIG. 5, the front main post 3a protrudes from the lower end of the front sub-post 4a when the stairs are raised by four steps. The connection between the sub-post lifting guide 3a 'and the sliding cylinder 5 is changed.

A stay bracket 8 is inserted into each of the two front main posts 3a and the rear main posts 3b so as to be movable up and down, and the stop pin holes 3f of the front and rear main posts 3a and 3b are used. A front auxiliary stay 7a in which two different-diameter tubes are telescopically inserted into the stay bracket 8, and a rear auxiliary stay longer than the front auxiliary stay. 7b is provided so as to be able to adjust the inclination angle in the front-rear direction with respect to the main posts 3a, 3b by supporting the upper end thereof, and an adjusting screw 7c is attached to the lower end of the front / rear auxiliary stays 7a, 7b. A non-slip device 7d is attached to the lower end of the screw 7c, and the vicinity of a pair of left and right lower ends of the front and rear auxiliary stays 7a and 7b is connected by a stay horizontal bar 9 to maintain a left-to-right parallel space.

The front and rear auxiliary stays 7a and 7b fix the front auxiliary stay bracket 8 below the upper end of the front main post 3a as shown in FIG. 1, and the rear auxiliary stay is attached to the upper end of the rear main post 3b. The stay bracket 8 is fixed to stand on a flat place, and when climbing the stairs as shown in FIGS. 4 and 5, the front main post 3a is lifted and the rear main post 3 is raised.
The front main post 3a can be made to stand at a step several steps higher than the position at which the b is struck, and the front auxiliary stay 7a can be made to strike at a step several steps higher than the front main post 3a. As shown in FIG. 5, the rear auxiliary stay 7b lowers and fixes the stay bracket 8 along the rear main post 3b, thereby projecting to a stage several steps below the stage where the rear main post 3b stands. You can make it.

Reference numeral 10 denotes a runway rail, which is made of an I-shaped steel, and is detachably attached to the lower center of the upper end frame 1 in the width direction so as to protrude forward and backward from the upper end frame 1 so as to be detachable. A possible pre-saddle 11 is mounted, and a winch support arm 12 hanging downward from a forwardly extending tip is attached to the pre-saddle 11 in parallel with the runway rail 10, and at a lower end of the winch support arm 12, A manually-wound winch 13 is attached. The winch 13 may be electrically driven.

The winch support arm 12 has a winch 1
The first pulley 14 is supported above the third pulley 3, and the second pulley 15 is supported below the central portion of the pre-saddle 11, and the wire rope 13a of the winch 13 is connected to the first pulley 14 and the second pulley 14.
A pulley 15 is hung from the center of the pre-saddle 11 to be hung, and a horizontally long plate-shaped hanging beam 16 for hanging a heavy object W or lifting the front and rear main posts 3a and 3b is connected to the lower end thereof. .

Small pulleys 17 are attached to the opposed lower ends of the front and rear main posts 3a and 3b, respectively.
A main post lifting wire rope 18 is connected from the suspension beam 16 via a small pulley 17 to upper ends of front and rear sub-posts 4a and 4b attached to the main post.

This main post lifting wire rope 18
Raises the front main post 3a or the rear main post 3b from the state shown in FIG. 3A to the state shown in FIG. 3B by winding the winch wire rope 13a so that the sub-post 4 protrudes from the floor or the stairs. It is for.

Reference numeral 19 denotes a reinforcing stay, which connects the front main post holding cylinder 2a and the rear main post elevating guide 3b 'diagonally on both left and right sides.

FIG. 4 shows a side view of the state in which the front main post 3a has been lifted by two steps of the stairs and has begun to go up the stairs, and FIG. Is shown.

In the state shown in FIG. 5, it is necessary to raise the front main post 3a two steps higher than the state shown in FIG. 4, so that the main post horizontal rail 6 is located at the lower end of the front main post 3a. It is necessary to change the attachment to the sub-post elevating guide 3a ', extend the rear auxiliary stay 7b long, and change the mounting of the stay bracket 8 to a position slightly lowered along the rear main post 3b.

In order to advance the device of the present invention on the stairs in the state shown in FIGS. 4 and 5, the main post holder 20 shown in FIG.
In order to temporarily place the heavy object W on the stairs and move it forward, the heavy object receiving stand 21 shown in FIG. 7 is used.

The main post holder 20 shown in FIG. 6 is for supporting and moving forward the casters 3d at the lower end of the front main post 3a or the rear main post 3b on the stairs. , C indicates the front and is made of a channel steel 2
The main post support plates 20a are arranged in parallel with the groove side facing upward, and the back sides are connected by two horizontal connecting members 20b,
A pair of right and left height-adjustable legs 20c is attached to the rear surface of the rear end portion by hanging, and the lower ends of the pair of right and left legs 20c are connected by a horizontal connecting member 20d. The operation will be described with reference to the staircase transfer procedure diagram of FIG.

The heavy object receiving table 21 shown in FIG. 7 is for temporarily placing the heavy object W on a stair and moving it forward. A indicates a flat surface, B indicates a side surface, and C indicates a front surface. Stand 2
0, the width of the main post receiving plate 20a within the space between the two main post receiving plates 20a and the lower side of the rear end both sides of the roller conveyor 21a having a length that can be placed horizontally with the tip hung on the upper stairs about four steps,
Attaching a pair of left and right legs 21b with adjustable height,
A back rail 21c is attached to the back surface of the tip, and both sides and the front surface between the leg 21b and the roller conveyor 21a are diagonally connected by a reinforcing stay 21d. The operation will be described based on the transfer procedure diagram.

The main post support 20 and the heavy load support 21
May be installed on the same step of the stairs.
Is shown in When the main post cradle 20 is installed or removed in a state where the heavy load cradle 21 is installed in the state of FIG. 8, the main post cradle 20 is moved to the heavy load cradle 2.
1 from the side through the lower side.

The state in which the heavy object W is lifted and lowered on the stairs by the stair transport device of the present invention will be schematically described with reference to the explanatory view of FIG.

In the state shown in FIG. 3A, the front main post 3a is caused to strike the second step of the stairs, and the pre-saddle 11 is moved to the rear end of the runway rail 10, so that the heavy object W placed on the floor below the stairs is moved. Is lifted in the state of (B), and the lifted heavy object W is moved forward along the runway rail 10 along the runway rail 10 to advance to the position of (C), where the heavy object receiver is moved as shown in (D). The table 21 is placed on the fourth step of the stairs, and the heavy object W is dropped on the heavy object receiving table 21. This operation is repeated several times to convey the heavy object W on the stairs.

Next, the procedure for carrying the heavy object W on the stairs will be described with reference to FIG.
33 will be described step by step. This figure 1
In the procedure diagrams 0 to 33, the front and rear sub-posts 4a, 4
Since b cannot be expressed overlapping with the front / rear main posts 3a, 3b, it is shown outside the front / rear main posts 3a, 3b for convenience.

FIG. 10 shows a state in which the heavy object W is suspended by the stair transport device of the present invention and is lowered close to the stairs below the stairs. At this time, the front auxiliary stay 7a is caused to protrude to the second stairs. In FIG. 11, the front main post 3a is lifted by the winch 13 to the height of the second or more stairs, and the main post holder 20 is placed at the second stair in FIG.

Next, the front main post 3a is lowered onto the main post receiving stand 20 in FIG. 13, the front auxiliary stay 7a is contracted in FIG. 14, and the front and rear sub posts 4a and 4b are lifted by hand. Then, the heavy object stair transfer device is pushed forward by two stairs by hand, and the front and rear sub-posts 4a and 4b are lowered.

Next, the main post receiving stand 20 is removed in FIG. 16, and the heavy object W is lifted by the winch 13 at a position close to the rear main post 3b to the height of four steps of the stairs.
7 is advanced by hand to the position of FIG.
And put the heavy goods receiving tray 21 on the fourth step of the stairs.

Next, referring to FIG.
20 and put the heavy object W on the heavy object
1 is advanced by a roller conveyor 21a, and then, in FIG.
The front main post 3a is lifted by the winch 13 to the height of the fourth step or more.

Next, in FIG. 22, the main post cradle 20 is placed in the state shown in FIG. 8 together with the heavy load cradle 21 at the fourth step of the stairs, and the front main post 3a is lowered onto the main post cradle 20. 23, the front sub-post 4a is manually lifted to the height of the fourth step of the stairs, and
Is replaced with the sub-post elevating guide 3a 'of the front main post 3a, and the front auxiliary stay 7a is shortened in FIG.

Next, referring to FIG.
Move forward by the amount of steps and push the front auxiliary stay 7a.
Into the two steps of the stairs, and in FIG.
27, the front and rear sub-posts 4a and 4b are pierced in FIG. 27, and the front and rear main posts 3a and 3b are lifted by the winch 13 by two steps of stairs.

Next, the main post holder 20 for the front main post 3a and the rear main post 3b is placed in FIG.
The rear main posts 3a, 3b are lowered onto the main post cradle 20 and protruded. In FIG. 30, the front and rear auxiliary stays 7a, 7b are shortened, and the front and rear sub posts 4a, 4b are lifted by hand.

Next, in FIG. 31, the entirety of the heavy article stair transfer device is advanced by hand for two stairs so that the front auxiliary stay 7a is pushed up two steps of the stairs, and the rear auxiliary stay 7b is moved down the stairs. The main post holder 20 for the front main post 3a and the rear main post 3b is removed, and the heavy object W is lifted by the winch 13 at a position near the rear main post 3b in FIG. And FIG.
Then, the heavy goods receiving tray 21 is placed at the seventh step on the third step of the stairs, and the heavy goods W are moved forward and lowered on the heavy goods receiving tray 21.

By repeating the above procedure, the heavy object W can be conveyed stepwise. When lowering the heavy object W on the stairs, the above procedure may be reversed. When the heavy object W is moved on a flat place, it is possible without using the auxiliary post and the auxiliary stay.

FIG. 34 is a schematic view showing a case where a heavy article W is loaded on a truck as an example of application other than the stair transport of the heavy article stairs conveying apparatus of the present invention. The heavy object W is placed at a position close to the end, and then the front main post 3a and the front auxiliary stay 7 of the apparatus of the present invention.
a to the truck bed, the rear main post 3b and the rear auxiliary stay 7b to the ground on which the heavy object W stands, and the heavy object W is lifted near the rear main post 3b, and the front main post 3a is lifted. By moving the truck close to the cargo bed of the truck, the heavy object W can be easily loaded on the truck.

The configuration of the device of the present invention is versatile as a configuration adapted to the dimensions of the stairs raised and the dimensions of the tread stipulated by the Building Standards Law.

[0045]

The present invention is embodied in the form described above and has the following effects.

A sub-post is attached to each of the four main posts, and the sub-posts are made to protrude on the floor surface or a stair surface, so that the main post can be lifted by a winch. By lifting the main post two or more stairs higher than the two rear main posts, the main post can be erected on the stairs, and a heavy object placed near the rear main post can be lifted to the vicinity of the front main post. By repeating the operation of moving the object and moving it down a plurality of steps several times, it is possible for a small number of amateurs to easily move the heavy object on the stairs.

[0047] By attaching a heavy goods receiving stand with a roller conveyor having a length corresponding to a plurality of steps of the stairs, which can be installed horizontally on the stairs, the heavy goods receiving stand on the stairs can be temporarily loaded. And a horizontal distance of a plurality of stairs can be advanced.

By attaching a main post holder for receiving a caster at the lower end of the front main post or the rear main post on the stairs, the front posts are placed upright on the main post holder placed on the stairs. In this state, the device of the present invention can be pushed by hand and advanced by a plurality of stairs.

The four front and rear main posts, the pre-saddle and the winch support arm are detachable from the rectangular upper end frame, and the front and rear auxiliary stays attached to the front and rear main posts are also detachable. From, it can be transported by light truck by disassembling and reducing the form,
Since it can be easily assembled on site, it is extremely convenient to use while moving.

[Brief description of the drawings]

FIG. 1 is a side view showing a state of standing on a plane of a heavy goods stairs conveying device of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a view showing the relationship between a main post and a sub-post when FIG. 1 is viewed in the direction of arrow P, where (A) is a normal state where the main post and the sub-post stand on the same plane, and (B) is a sub-post. FIG. 10 is a side view showing a state in which the main post is lifted up by pushing the main post.

FIG. 4 is a side view showing a state in which the front main post stands on the second step of the stairs.

FIG. 5: Lift the front main post four steps higher on the stairs,
It is a side view which shows the state which made this invention apparatus stand on the middle of the stairs.

FIG. 6 is a view showing a main post receiving stand, (A) is a plan view,
(B) is a side view and (C) is a front view.

FIG. 7 is a view showing a heavy object receiving stand, (A) is a plan view,
(B) is a side view and (C) is a front view.

8 is a perspective view showing a state where the main post receiving stand shown in FIG. 6 and the heavy load receiving stand shown in FIG. 7 are placed on the same stairs.

FIG. 9 is an explanatory view showing step by step a state in which a heavy object is lifted and lowered on a stair by the apparatus of the present invention.

FIG. 10 is a diagram showing a first stage of a heavy goods stair transfer procedure by the stair transport apparatus of the present invention.

FIG. 11 is a view showing a second stage in the same manner.

FIG. 12 is a view showing a third stage.

FIG. 13 is a view showing a fourth stage in the same manner.

FIG. 14 is a view showing a fifth stage in the same manner.

FIG. 15 is a diagram showing a sixth step in the same manner.

FIG. 16 is a diagram showing a seventh step.

FIG. 17 is a view showing an eighth stage in the same manner.

FIG. 18 is a view showing a ninth stage;

FIG. 19 is a view showing a tenth stage.

FIG. 20 is a view showing an eleventh stage.

FIG. 21 is a view showing a twelfth stage.

FIG. 22 is a view showing a thirteenth stage;

FIG. 23 is a view showing a fourteenth stage;

FIG. 24 is a view showing a fifteenth stage;

FIG. 25 is a view showing a 16th stage;

FIG. 26 is a view showing a seventeenth stage.

FIG. 27 is a view showing an eighteenth stage.

FIG. 28 is a view showing a 19th stage;

FIG. 29 is a view showing a twentieth stage;

FIG. 30 is a view showing a 21st stage;

FIG. 31 is a view showing a 22nd stage;

FIG. 32 is a view showing a 23rd stage;

FIG. 33 is a view showing a 24th stage;

FIG. 34 is a diagram showing an application example in which a heavy object is loaded on a truck using the heavy object staircase transport device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Top frame 2a Front main post holding cylinder 2b Rear main post holding cylinder 2c Main post fixing hole 3a Front main post 3b Rear main post 4a Front sub post 4b Rear sub post 5 Sliding cylinder 6 Main post horizontal rail 7a Front Part auxiliary stay 7b Rear auxiliary stay 8 Bracket for stay 9 Cross rail for stay 10 Runway rail 11 Pre-saddle 12 Winch support arm 13 Winch 13a Winch wire rope 14 First pulley 15 Second pulley 16 Hanging beam 17 Small pulley 18 Main post lifting Wire rope 19 Reinforcement stay 20 Main post holder 20a Main post support plate 20b Horizontal connecting member 20c Leg 21 Heavy load receiver 21a Roller conveyor 21b Leg 21c Back rail 21d Reinforcement stay W Heavy load

────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] November 10, 1998 (1998.11.
10)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction contents]

[0007] outside of the front and rear main post each of the right and left directions, less than half the height of the main post, the front sub-post and the rear sub-post check with tool slip bottom, front and rear main The main posts are provided on the left and right sides in parallel with the posts so as to be able to move up and down, and maintain the space between the front and rear main posts.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masahiro Kawakami 1-15, Kamitenuma-cho, Nishi-ku, Hiroshima-shi F-term (reference) 3D202 AA02 AB04 BA02 CB05 CC03

Claims (3)

[Claims] 1. A front main post holding cylinder (2a) and a rear main post holding cylinder (2b), which are suspended and fixed to two front corners and two rear corners of a rectangular upper frame (1), respectively. Caster with height-adjustable stopper function at lower end (3d)
The upper ends of the attached front main post (3a) and rear main post (3b) are inserted from below, and the front main post (3a) penetrates the front main post holding cylinder (2a) upward and rises in multiple stages. The rear main post (3b) is held by the rear main post holding cylinder (2b) so as to be unable to penetrate upward, and the front and rear main posts (3a) and (3b) are laterally outside. In addition, a front sub-post (4a) and a rear sub-post (4b) having a height of 1/2 or less of the main post are provided so as to be movable up and down in parallel with the front and rear main posts (3a) and (3b). Main post horizontal rails (6) for maintaining the space between the front and rear main posts (3a) and (3b) are provided on the left and right sides, and a plurality of front and rear auxiliary stays (a plurality of different-diameter pipes are extendably inserted). 7
a) and the upper end of the rear auxiliary stay (7b) is rotated in the front-rear direction by a stay bracket (8) that is vertically movably inserted into the front and rear main posts (3a) and (3b). It is pivotally supported as possible, and the left and right two are connected near the lower end with a stay crossbar (9) at a parallel interval, and the front and rear main posts (3a), (3b) are inclined in the front-rear direction. The runway rail (1) made of I-shaped steel is provided at the center in the width direction below the upper end frame (1).
The runway rail (10) is attached to the runway rail (10) so as to be detachably attached to the runway rail (10), and a runnable saddle (11) is mounted on the runway rail (10). (1
2) Attach the winch (13) at the lower end of the bend
And attach the wire rope (13) of this winch (13).
a) has a first supported by a winch support arm (12);
Through a pulley (14) and a second pulley (15), a horizontally-long suspension beam (16) for suspending a heavy object (W) is connected to a tip hanging down from the center of the plens saddle (11). Small pulleys (17) are attached to the inner lower ends facing each other before and after the main posts (3a) and (3b), and the front and rear sub-posts (4a) and (4b) are passed from the suspension beam (16) via the small pulley (17). ), And the front and rear sub-posts (4a) and (4b) are pierced to the floor or stairs by winding the winch wire rope (13a).
A heavy article stair transfer device including a main post lifting wire rope (18) for lifting the front / rear main posts (3a) (3b). 2. Two main post support plates (20a) made of a grooved steel for supporting the lower end of the front main post (3a) or the rear main post (3b) on a staircase. Are arranged in parallel upward, and the back surface is connected to two horizontal connecting members (20).
b), a pair of left and right legs (20c) whose height can be adjusted are provided on both sides of the rear surface of the rear end, and the lower end is connected by a leg connecting member (20d). 2. The stair transporting apparatus according to claim 1, wherein at least two of the steps are attached. 3. A roller conveyor (21a) having a predetermined width and length for temporarily placing a heavy object on a staircase.
2. The heavy goods stair transfer device according to claim 1, further comprising a heavy goods receiving stand (21) having a pair of left and right height adjustable legs (21b) attached to both sides of the rear surface near the rear end.