JPH0627488Y2 - Double-acting floor-conveyor - Google Patents

Description

TECHNICAL FIELD The present invention relates to a double-acting floor conveyor.

2. Description of the Related Art As disclosed in Japanese Patent Laid-Open No. 59-164255, in a conventional double-acting floor conveyor, a rising pin is provided on a supporting member fixed to the tops of a pair of front and rear free trolleys, and a rising pin is provided. The pin is covered with a rotary member having horizontal pins on both left and right sides, a downward projecting portion is provided on the lower surface of the transported object support base, and a pair of side plates that sandwich the rotary member from the left and right sides are attached to the downward projecting portion. The both side plates are provided with a through hole into which the horizontal pin is loosely fitted, which allows the transported object support base to relatively swing around the horizontal pin, and together with the rotating member, the rising pin It is designed to be able to rotate relative to each other.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the above-mentioned conventional double-acting floor conveyor, in order to enable relative swinging and relative rotation of the object support base, two parts, a rotating member having a rising pin and a horizontal pin, are provided. It was necessary and the assembly work was troublesome.

In addition, since there is a through hole for loosely fitting the horizontal pin, dust, water, etc. will enter between the two side plates through the through hole and rock.
There was a risk of hindering the smoothness of rotation.

Moreover, to loosely fit the horizontal pins into the through holes on both side plates,
This requires a pair of side plates to be attached to both the rotary member on the free trolley side and the downward protruding portion on the side of the transported object support base at predetermined positions, which is a troublesome work.

The purpose of this invention is to reduce the number of parts to facilitate the assembly of the swinging / rotating part and to eliminate the problem of the smoothness of the swinging / rotating due to the ingress of dust and water. To provide a conveyor.

Means for Solving the Problems In order to achieve the above object, a double-acting floor conveyor according to the present invention is provided with a pair of legs attached to the front and rear of the lower surface of a transported object support base and a suspension for connecting a free trolley. A pair of legs are provided with a vertical portion that is fixed by overlapping with each other, a mounting horizontal portion that is provided at the upper end of the vertical portion, and a center of the lower end of the vertical portion. The inner wall has a bulging portion having a horizontal bottomed hole. Both ends of the horizontal pin are loosely fitted in the pair of bottomed holes, and the bottom surface is provided at the center of the length of the horizontal pin and around the hanging pin. Is formed, the hanging pin is projected downward from the downward opening formed between the pair of bulging parts, and the flat lower surface of the large central portion of the horizontal pin is exposed. , Each pendant has a pair of front and rear fleets It is removably inserted into the vertical hole of the loli between the flat lower surface of the large diameter part of the horizontal pin and the peripheral edge of the vertical hole via a washer.

The double-acting floor conveyor according to the present invention has the above-described structure, and therefore, when assembling the swinging / rotating portion, when assembling the bottomed holes from both sides of the horizontal pin, and from both sides of the horizontal pin with the bottomed With the holes facing inward, the vertical parts of the pair of legs are placed on top of each other and fixed, and the horizontal part provided at the upper end of the vertical part is attached to the lower surface of the object support base. It is covered by the bulging part of the horizontal pin, and the hanging pin is projected straight downward by gravity from the downward opening formed between the pair of bulging parts, and the flat lower surface of the large central part of the horizontal pin is exposed. To be Therefore, the object support base is detachably connected to the pair of front and rear free trolleys by lifting the object support base and dropping the hanging pins into the vertical holes for inserting the hanging pins provided in the free trolley. Each hanging pin is removably inserted into the vertical holes of the pair of front and rear free trolleys with a washer between the flat lower surface of the large diameter central portion of the horizontal pin and the peripheral edge of the vertical hole. The pin can rotate smoothly relative to the free trolley.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

Figure 4 shows the entire double-acting floor conveyor,
In the figure, (1) is a power rail, (2) is a free rail which is arranged parallel to the power rail and includes a vertical roller guide portion (2a) and a horizontal roller guide portion (2b), and (3) is Drive chain, (4) is a power trolley that is attached to the drive chain (3) at predetermined intervals and has an upward pusher (5), (6) to
(9) is a first to fourth free trolley, which is provided with a vertical roller (10) and a horizontal roller (11). (12) and (13) are universal joints
1st free trolley (6) and 2nd free trolley via (14)
(7) is linked to. Front rod and rear rod, (15) is the first
A dog (17) provided on the free trolley (6) and engaging with the pusher (5) is an E-shaped cover when viewed from the plane connected to the second and third free trolleys (7) and (8) from above. The carrier is constituted by the members above the first to fourth free trolleys (6) to (9) on the transported object support base.

In the above double-acting floor conveyor, a feature of the present invention is that, as shown in FIGS. 1 to 3, a pair of legs (18) attached to the front and back of the lower surface of the object support stand (17). And a horizontal pin that integrally has a hanging pin (19) for connecting the free trolley
The pair of legs (18) are provided with a vertical portion (21) that is fixed by being superposed on each other, and a horizontal portion (22) for mounting provided at the upper end of the vertical portion (21). ) And a bulge portion (24) provided at the center of the lower end of the vertical portion (21) and having a horizontal bottomed hole (23) on the inner wall, and a horizontal pin (20) is provided in the pair of bottomed holes (23). Both ends of the horizontal pin (20) are loosely fitted, a flat large diameter portion (28) on the lower surface is formed around the hanging pin (19) at the center of the length of the horizontal pin (20), and a pair of bulging portions ( The hanging pin (19) is projected downward from the downward opening (25) formed between the holes (24) and the flat lower surface of the large central diameter portion (28) of the horizontal pin (20) is exposed. The hanging pin (19) has a pair of front and rear vertical holes (29) in the second and third free trolleys (7) (8) (see FIG. 4).
The flat bottom surface of the large diameter part (28) of the horizontal pin and the vertical hole (29).
It is removably inserted through the washer (30) between the peripheral portions of the.

The pair of legs (18) has a horizontal support (22) at the upper end for supporting the transferred object (17).
It is attached by fixing with bolts (26). The lower ends of the pair of legs (18) are V-shaped, and are fastened by bolts and nuts (27) at the center of the upper end of the overlapped vertical parts (21) and around the lower end.

Effect of the Invention According to the double-acting floor conveyor of the present invention, since the horizontal pin and the hanging pin are integrated, the vertical portions of the pair of legs are overlapped with each other with the openings of the bottomed holes facing inward from both sides of the horizontal pin. The swinging / rotating portion can be easily assembled simply by fixing together and attaching the horizontal portion provided at the upper end of the vertical portion to the lower surface of the object support base.

In addition, since the hanging pins are provided in front of and behind the object support base, it is sufficient to lift the object support base and drop the hanging pins into the vertical holes of the pair of front and rear free trolleys. And the object support base can be connected very easily.

In addition, the horizontal pin will be supported in the bulging part of the paired legs, both ends of which are not exposed to the outside and are covered by the bulging part, so that dust, water, etc. can enter the outside. The problem of hindering the smoothness of swinging / rotation caused by does not occur.

In addition, the washer interposed between the flat lower surface of the large-diameter part of the horizontal pin and the peripheral edge of the vertical hole allows the hanging pin to rotate smoothly relative to the free trolley, which causes noise. No, and can be easily replaced if the washer wears.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a sectional view taken along the line I--I of FIG. 2, FIG. 2 is a partially cutaway side view showing an essential part of the present invention, and FIG. FIG. 1 is a sectional view taken along line III-III, and FIG. 4 is a side view of the entire double-acting floor conveyor. (7) (8) ... Free trolley, (17) ... Transfer object support, (18) ...
Leg, (19) ... Hanging pin, (20) ... Horizontal pin, (21) ... Vertical portion of leg, (22) ... Horizontal portion of leg, (23) ... Horizontal bottomed hole, (24) ... Swelling portion , (25)… Opening part, (28)… Large central part of horizontal pin, (29)
… Vertical holes, (30)… washers.

Claims (1)

[Scope of utility model registration request] 1. A pair of legs (18) attached to the front and rear of a lower surface of a transported object support base (17) and a hanging pin (1) for connecting a free trolley.
9) and a horizontal pin (20) integrally formed with each other, and the pair of legs (18) are fixed to each other by being superposed on each other.
(21) and a horizontal part for mounting provided on the upper end of the vertical part (21)
(22) and a bulging part (24) provided at the center of the lower end of the vertical part (21) and having a horizontal bottomed hole (23) in the inner wall, and a horizontal pin ( Both ends of 20) are loosely fitted, and a flat large diameter portion (28) on the lower surface is formed around the hanging pin (19) at the center of the length of the horizontal pin (20) to form a pair of bulges. Division (24)
The hanging pin (19) is projected downward from the downward opening (25) formed between them, and the flat lower surface of the large central diameter portion (28) of the horizontal pin (20) is exposed, so that each hanging pin (19) is exposed. (1
9) is in the vertical hole (29) of the pair of front and rear free trolleys (7) (8), and the washer (30) is provided between the flat bottom surface of the large diameter part (28) of the horizontal pin and the peripheral edge of the vertical hole (29). )) Double-acting floor conveyor that is detachably inserted.