JP2000016551A - Conveyor device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a conveyor extremely simple in structure, having certain operational performance and especially suitable to install on a cargo compartment floor part of a truck. SOLUTION: A plural number of plate materials A respectively forming inside connecting parts 2 on one side edge f1 on the back surface side of a plate part 1 and outside connecting parts 3 on the other side edge f2 are furnished. An endless type conveyor belt forming a pivotally supporting connecting part is constituted by connecting the adjoining plate materials A, A to each other and the inside connecting parts 2 on the one side edge f1 and the outside connecting parts 3 of the other side edge f2 to each other by pins. It is constituted of a driving car forming a plural number of recessed parts with which the pivotally supporting connecting parts of the adjoining plate materials A, A can be engaged with the same pitches (p), (p),... of the pivotally supporting connecting parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveyor device having a very simple structure and reliable operation performance, and particularly to a conveyor device suitable for being mounted on the floor of a cargo compartment of a truck.

[0002]

2. Description of the Related Art In recent years, a conveyor device has been mounted on the floor of a cargo hold of a truck to facilitate the work of unloading cargo, thereby greatly reducing the burden on workers and improving the work efficiency. Has become. In addition, various conveyors suitable for mounting the floor of the truck cargo compartment have been developed.

[0003]

As described above, in recent years, a conveyor device is often mounted on the floor of a cargo hold of a truck, but the structure of the mounted conveyor device is also complicated. Things are increasing. In particular,
An important component of the conveyor structure is a chain, a driving sprocket, a driven sprocket, and the like. A chain is mounted along the inner surface of the endless conveyor belt, and the chain is wound around the driving sprocket and the driven sprocket. Is configured.

[0004] Therefore, the conveyor apparatus usually has a large number of constituent parts, and as a result, the weight also increases. Such a situation has a great influence on the load capacity of the truck, and the fuel efficiency tends to deteriorate.

[0005]

Means for Solving the Problems Therefore, the inventor of the present invention has intensively studied to solve the above-mentioned problems, and as a result, the present invention
A plurality of plate members each having an inner connection portion on one side edge on the back side of the plate portion and an outer connection portion on the other side edge,
An endless type conveyor belt in which adjacent plate members are connected to each other by a pin connecting an inner connection portion on one side edge and an outer connection portion on the other side edge to form a pivot connection portion, and the adjacent plate material is formed. A plurality of recesses engageable by the pivotal connection portion are formed into a conveyor device including a driving wheel having a pitch equal to the pitch of the pivotal connection portion. The present invention has operability and is particularly suitable for being mounted on the floor of a cargo compartment of a truck, thereby solving the above-mentioned problems.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. The conveyor apparatus of the present invention is configured to form an endless type conveyor belt by connecting a large number of plate materials A, A,. The plate material A is
It is composed of a plate portion 1, an inner connecting portion 2, an outer connecting portion 3, and the like (see FIGS. 2, 1A to 1C).

As shown in FIG. 1 (B), the plate portion 1 has a rectangular flat plate shape, the front side portion 1a serves as a cargo transport surface of the conveyor, and the rear side portion 1b serves as an endless type conveyor. Corresponds to the inner side of the belt. On the front side surface portion 1a, linear protrusions for preventing slip are formed as necessary.

For the sake of convenience, the plate portion 1 has one long side of the two long sides in the direction of rotation of the conveyor referred to as one side edge f ₁ and the other long side of the other side edge f 1. _Two
It is called. The one side edge f ₁ and the other side edge f ₂ is intended as a guide for distinguishing two long sides of the plate portion 1, not the determined name according to the rotation direction of travel of the conveyor belt.

Therefore, if one of the long sides is called one side edge f ₁ , the other long side is called another side edge f _2, and one side edge f ₁ and the other side edge f ₂ are It indicates that it is arbitrarily determined. As a plate portion 1 of the rear surface portion 1b, and one side edge f ₁ is the inner coupling portions 2 at appropriate intervals, ... it is formed.

Similarly, the back side surface portion 1b of the plate portion 1
And the other side edge f _2, the outer connecting portions 3, 3 at appropriate intervals, ... are formed [Fig. 1 (B), (C) refer to Fig. The inside connecting portion 2 and the outer connecting section 3, the one side edge f ₁ and the other side edge f ₂ of the plate portion 1, and is formed to correspond to the same position on each long side direction [1
(See (B) and (C)).

Further, each inner connecting portion 2 is constituted by a pair of left and right inner connecting protrusions 2a, 2a. Inner coupling protrusions 2a, 2a are formed at predetermined intervals, the inner connecting projections 2a, the 2a, connecting hole portions 2a _1, 2a ₁ are formed (see FIG. 6). Also, both inner connecting projections 2
a, 2a are substantially half portions of one side edge f ₁ of the plate portion _1.
It protrudes further outward (see FIG. 1C). And
Connecting hole portion 2a ₁ is adapted to substantially coincide with the hanging position of one side edge f ₁ of the plate portion 1 [see FIG. 1 (D)].

Similarly, each outer connecting portion 3 is composed of a pair of left and right outer connecting protrusions 3a, 3a (see FIG. 6). The distance between the outer connecting protrusions 3a is set so that the inner connecting protrusions 2a of the inner connecting portion 2 can be inserted and arranged. Outer connecting projections 3a, 3a
Are formed with connection holes 3a ₁ , 3a ₁ . Also, both outer coupling protrusions 3a, 3a is also substantially half portion projecting from one side edge f ₁ of the plate portion 1. The connecting hole portion 3a ₁ is adapted to hanging position substantially coincides with the other side edge f ₂ of the plate portion 1 [see FIG. 1 (D)].

As described above, the inner connecting portion 2 and the outer connecting portion 3 are respectively formed on the plate material A, but the inner connecting portion 2 and the outer connecting portion 3 are formed for one plate material A. It is preferable that a plurality be formed. FIG.
In the embodiment shown in (B) and (C), three inner connecting portions 2 and three outer connecting portions 3 are provided so that the conveyor belt can be rotated in a well-balanced and smooth manner.
Are formed. A rib 1c is formed between the inner connection protrusion 2a and the outer connection protrusion 3a, and serves to reinforce the inner connection protrusion 2a and the outer connection protrusion 3a.

Next, the pins 4 are connected to the connecting holes 2a ₁ , 2a _{1 of the} inner connecting portion 2 and the connecting holes 3a ₁ , 2a ₁
By inserting the 3a _1, in which form serves to pivotally connect the inner coupling portion 2 and the outer connecting section 3 [FIG 5 (A), (B)
And FIG. 6, FIG. 7, etc.]).

Next, the roller 5 has a substantially hollow cylindrical shape, and has a shaft supporting through hole 5a into which the pin 4 is loosely inserted along the axial direction (see FIGS. 6 and 7). The length of the roller 5 in the longitudinal direction is determined by the inner connection protrusions 2a, 2a.
Between both inner connecting projections 2a, 2a
The dimensions are such that there is room for rotation between them.

Next, a conveyor belt is formed by the plate members A, A,... By connecting the inner connecting portion 2 and the outer connecting portion 3 of the plate members A, A to each other. As described above, the inner coupling protrusions 2a of the plate member A, 2a, the substantially half portion from one side edge f ₁ protrudes outward. Similarly, the outer coupling protrusions 3a, 3a has its substantially half portion from the other side edge f ₂ protrudes outward.

Further, as described above, the coupling hole portion 2a ₁ is in hanging position of one side edge f ₁ of the plate portion 1, and drooping position of the other side edge f ₂ of the coupling hole 3a ₁ the plate portion 1 It is in. Accordingly, in a state where the inner connecting projections 2a, 2a are inserted and arranged between the outer connecting projections 3a, 3a, the connecting holes 2a ₁ , 2 are provided almost immediately below the adjacent portions of the two plate portions 1, ₁ .
a ₁ and the coupling hole 3a _1, 3a ₁ coincides in position.
In addition, the pins 4 inserted into the connection holes 2a ₁ and 3a ₁ are also present at the hanging positions adjacent to the plate portions 1 and 1 (FIGS. 5A, 5B, 10 and the like). reference〕.

A roller 5 is disposed between the inner connecting protrusions 2a, 2a, and a pin 4 is inserted into a shaft supporting through hole 5a of the roller 5, and the roller 5 is supported between the inner connecting protrusions 2a, 2a. Structure. Thus, an endless type conveyor belt is formed. A roller 5 rotatably supported by a pin 4 is present at a connection point between the adjacent plate members A, A [FIGS.
(A), (B) and FIG. 7 etc.).

The pin 4 is connected to the connecting hole 3 of the outer connecting portion 3.
a ₁ and 3a ₁ are fixed by press-fitting,
The connection holes 2a ₁ and 2a ₁ are in a loosely inserted state.
Thereby, both shaft ends of the pin 4 are connected to the connection holes 3a ₁ , 3a.
While being fixed to a ₁ , the inner connecting portion 2 can rotate in a vertically swinging state about the pin 4 as a center of rotation.

In this manner, the joint portions of the plate materials A, A adjacent to each other from the inner connecting portion 2, the outer connecting portion 3, the pin 4, the roller 5, and the like constitute a connecting portion rotatably supporting each other. , The connecting portion is referred to as a pivot connecting portion J. One conveyor belt has a plurality of pivot joints J,
Are formed, and the intervals between the pivotal connection portions J, J,... Are equal, and the intervals are pitches p, p,. The pivot connection unit J, in order to pitch p of J, the interval between the connecting hole portion 2a ₁ of the plate material A and the connecting hole portion 3a ₁ coincides with the pitch p [see FIG. 1 (D) ].

The conveyor belt is wound around a driving wheel, and the rotation of the driving wheel causes the conveyor belt to rotate. The driving vehicles include a first driving vehicle 6 and a second driving vehicle 7. The first drive vehicle 6 includes a conveyor frame 10
The second driving wheel 7 is mounted on the front side of the conveyor frame 10 (see FIG. 2).

The first drive wheel 6 has a plurality of recesses 6b, 6b,... Formed at equal intervals on the outer periphery of a rotating plate 6a. The pivot joint J is engaged with the recess 6b.
Actually, the roller 5 constituting the pivot joint J is formed by the recess 6b.
Will be engaged. The specific shape of the first driving wheel 6 is a regular pentagon when viewed from the side, and each vertex has a concave portion 6b,
6b are formed (see FIGS. 8 and 9).

The intervals between the recesses 6b are equal as described above, and are the same as the pitches p, p,... Of the plurality of pivotal connecting portions J, J,... Formed on the conveyor belt. (See FIG. 10). The boss 6c of the first driving wheel 6 is fixed to a rotating shaft 9 via a key or the like, and the rotating shaft 9 is connected to a motor unit 8 including a motor, a speed reducer, and the like.

The second driving wheel 7 has the same shape as the first driving wheel 6, and has a plurality of recesses similarly to the first driving wheel 6. Note that the second driving wheel 7 has the same shape as the first driving wheel 6, and therefore detailed drawings are omitted. Then, the second driving wheel 7 is rotated by the motor unit 8 and the rotating shaft 9 arranged on the front side of the conveyor frame 10. The first driving wheel 6 and the second driving wheel 7 can ensure stable and favorable operation of the conveyor belt in both forward and reverse rotations.

That is, the weight of the cargo acts as a load on the rotation of the conveyor belt, and the plate materials A, A,... Constituting the conveyor belt may rise at the rear side in the transport direction of the cargo. Therefore, when the cargo is to be taken out of the cargo compartment, the first drive vehicle 6 is driven, and the second drive vehicle 7 is in the idling state. Further, when the cargo is put into the cargo compartment and moved to the back of the cargo compartment, the second driving vehicle 7 is driven, and the first driving vehicle 6 is in an idling state.

Two prime movers 8, 8 are arranged before and after the conveyor frame 10. As described above, the first driving wheel 6 is supported on the rotating shaft 9 on the rear side, and the second driving wheel 7 is supported on the rotating shaft 9 on the front side. In addition, a chain is provided between the motor unit 8 and the rotating shaft 9.
A transmission mechanism composed of a sprocket is arranged, and the first driving wheel 6 and the second driving wheel 7 rotate together with the rotating shaft 9 via the transmission mechanism and the motor unit 8.

In the conveyor frame 10, a plurality of partition frame members 10b, 10b,... Are arranged on a rectangular outer frame portion 10a, and a conveyor is mounted between the partition frame members 10b, 10b. A plurality of rows of conveyor belts are arranged on the conveyor frame 10 (see FIGS. 1 and 2).

A conveyor receiving section 11 is mounted on the conveyor frame 10 along the direction of rotation of the conveyor [see FIGS. 2, 1A and 12A]. Also,
The conveyor receiving portion 11 is arranged at a position where the conveyor receiving portion 11 does not contact the inner connecting portion 2 and the outer connecting portion 3 of each plate material A.

FIG. 11 shows another embodiment of the plate material A, in which the inner connecting portion 2 is not constituted by the inner connecting projections 2a, 2a but is formed in a half cylindrical shape. (See FIG. 11A). The inner connecting portion 2 in this embodiment is inserted between the outer connecting protrusions 3a, 3a (see FIG. 11B). In this embodiment, the roller 5 is unnecessary, and the recess 6 of the first drive wheel 6 is not necessary.
.. (and the concave portion of the second driving wheel 7) are engaged with the inner connecting portion 2 (see FIG. 11C).

A plurality of the conveyor receiving portions 11 are attached to one conveyor belt, and the plate members A, A,... Located above the conveyor belt are prevented from hanging down in a parabolic shape by their own weight. For this reason, it plays a role of supporting from the back side surfaces 1b, 1b,. .. Are arranged so as to form a uniform flat surface [FIG. 12 (A)]. reference〕.

As shown in FIG. 12B, the conveyor receiving portion 11 has bearing frames 11a, 11a elongated in the longitudinal direction.
A large number of fixed traveling wheels 11b, 11b,. The rear side surfaces 1b, 1b, ... of the plate portions 1, 1, ... of the conveyor are fixed traveling wheels 11b, 11b,
.. Are slidable.

The conveyor receiving portion 11 is of a type in which the fixed traveling wheels 11b, 11b,.
The plate portion 1 may be formed into a belt-like body made of a synthetic resin material so that the contact surface with the back side surface portion 1b becomes a smooth sliding surface, or may be processed so as to have a smooth surface.

As shown in FIG. 3, the conveyor device of the present invention is suitable for being mounted on the floor of a cargo hold of a truck. In such a use, the conveyor frame 10 is mounted on the floor of the cargo hold. Used as a part of
Further, the conveyor may be equipped with a partition 12 capable of reciprocating in the cargo compartment along with the rotational movement of the conveyor.

[0034]

Next, according to the first aspect of the present invention, the plate portion 1 is provided.
The one side edge f ₁ of the back side of the inner coupling portion 2, a plurality of plate materials A to the outer coupling portion 3 is formed respectively on the other side edge f _2, adjacent plate member A, one side edge of A between f and _one of the outer coupling portion 3 of the inner coupling part 2 and the other side edge f ₂ constitutes a conveyor belt endless type forming a pivot coupling portion J coupled at pin 4, the adjacent plate member a, By forming a plurality of recesses in which the pivotal joints A of A can engage with a drive vehicle having a plurality of recesses formed at the same pitches p, p,... Of the pivotal joints J, J,. The configuration of the apparatus can be simplified, and the operating state of the conveyor can be assured.

That is, one side edge f ₁ of the back side of the plate portion ₁
The inner connecting portion 2, respectively to form the outer coupling part 3 to the other side edge f _2, constitutes a pivot coupling portion J by coupling the inside connecting portion 2 and the outer coupling portion 3, a plurality of these The pitches p, p,... Of the pivot connecting portions J, J,... Are engaged with the plurality of recesses 6b, 6b,. Then, the first driving wheel 6 is rotated to rotate the conveyor belt (see FIG. 10).

As described above, the configuration of the conveyor belt composed of the plurality of plate members A, A,... And the first driving wheel 6 can be substantially the same as that of the chain and sprocket mechanism. Therefore, since a sprocket or a chain is not used unlike the conventional conveyor belt, the structure can be simplified and the weight can be reduced. As a result, it is extremely advantageous to mount the truck on the floor of the cargo compartment, and it is possible to improve the economical efficiency in terms of fuel efficiency by reducing the weight.

[0037] According to a second aspect of the invention, the plate portion 1, the inner connecting portion 2 on one side edge f ₁ of the back side of the plate portion 1, the inner coupling part 2 on the other side edge f ₂ can Osameri An outer connecting portion 3 including a pair of left and right outer connecting protrusions 3a, a plate member A including a connecting hole formed in the inner connecting portion 2 and the outer connecting portion 3, and a pin inserted into the connecting hole. 4 and
A drive wheel having a plurality of recesses formed on the outer periphery thereof. The inner connecting portion 2 of the plate member A is inserted between the outer connecting protrusions 3a of the adjacent plate member A, and the pin 4 is inserted into the connecting hole. To form an endless type conveyor belt composed of a plurality of plate members A, A,..., And the pitch of the pivotal connection portions J, J,. .. and the recesses of the driving wheel are made equal to each other, so that the conveyor has a very simple structure first, and the second has a simple structure as described above. Although it has certain operability, it has effects such as being suitable for being mounted on the floor of the cargo compartment of a truck.

In detail, in the present invention, the inner connecting portion 2 and the outer connecting portion 3 are formed on the plate material A,
The inner connecting portion 2 and the outer connecting portion 3 are connected via a pin 4 to form an endless type belt, and the inner connecting portion 2 and the outer connecting portion 3 are each made of a plate material A.
Is formed on the back side surface portion 1b.

Further, the driving wheel (the concave portion 6 of the first driving wheel 6)
.. or the concave portion of the second driving wheel 7 has a structure in which the pivotal connection portion J of the adjacent plate members A, A is engaged, and the concave portions 6b, 6b,. The conveyor is rotated by the engagement of the pivot joints J, J,...

The recesses 6b, 6b,.
(Or the concave portions of the second driving wheel 7) are equal to the pitches p, p,... Of the pivotal joints J, J,... Of the conveyor belt (see FIG. 10). Therefore, the recess 6 of the first driving wheel 6
b, 6b, ... and the pivotal joints J, J, ... of the conveyor belt.
Is the same as the relationship between the sprocket and the chain.

Therefore, the conveyor constituted by the plate members A, A,... Does not need to constitute a sprocket and a chain, the number of parts can be greatly reduced as compared with the conventional type, and the structure can be reduced. It is simple and lightweight. Therefore, even in the case where the vehicle is mounted in the cargo compartment of a truck, extremely advantageous conditions can be achieved due to the simple structure and the light weight.

Next, according to a third aspect of the present invention, in the second aspect, the inner connecting portion 2 comprises a pair of left and right inner connecting protrusions 2.
a, 2a, and a roller 5 rotatably supported by the pins 4 and disposed between the inner connection protrusions 2a, 2a, and the inner connection portion 2 of the plate material A is disposed outside the adjacent plate material A. The conveyor device is inserted into the connecting portion 3 and the roller 5 can be engaged with the concave portion of the driving wheel, so that the conveyor can be rotated more smoothly.

A roller 5 supported by a pin 4 is rotatably mounted on a connecting portion between adjacent plate members A, A, and the roller 5 is driven by a driving wheel (a concave portion of a first driving wheel 6). 6b or the concave portion of the second drive wheel 7), the engagement between the first drive wheel 6 and the connecting portion of the adjacent plate members A, A is further improved, and The rotation operation of the conveyor can be made smooth, and the operation unreasonable for the components such as the plate material A and the first drive wheel 6 can be prevented.

[Brief description of the drawings]

1A is a perspective view of a conveyor belt. FIG. 1B is a perspective view of a plate material. FIG. 1C is a plan view of the back surface of the plate material. FIG.

FIG. 2 is a partially cutaway plan view of a conveyor device mounted on the floor of a truck cargo compartment.

FIG. 3 is a schematic perspective view showing a conveyor device mounted on a floor of a truck cargo compartment.

FIG. 4 is a rear side plan view showing a pivotally connected state of the plate member.

FIG. 5 (A) is a rear view of a main part showing a configuration of a pivot connecting portion of the conveyor belt. (B) is an enlarged cross-sectional view of a main part of (A).

FIG. 6 is a perspective view of a main part of a back side of the plate material.

FIG. 7 is a perspective view of a pivot connection portion of the conveyor belt.

FIG. 8 is a configuration diagram of a conveyor belt and a driving vehicle.

FIG. 9 is a perspective view of a driving vehicle.

FIG. 10 is a state diagram showing that the pitch of the pivot connection portion of the conveyor belt coincides with the pitch of the concave portion of the driving vehicle.

FIG. 11A is a perspective view of a main part of a plate material according to a second embodiment of the present invention. FIG. 11B is a rear view of a main part of the conveyor belt showing a pivotal connection part in a partial cross section. Configuration diagram of a second embodiment and a driving vehicle

FIG. 12A is a schematic diagram of a conveyor belt having a conveyor receiving unit mounted thereon, and FIG. 12B is a perspective view of a main part showing a state where the conveyor receiving unit supports each plate material of the conveyor belt.

[Explanation of symbols]

A: plate member J: pivot connection portion f ₁ ... one side edge f ₂ ... other side edge 1 ... plate portion 2 ... inner connection portion 2a ... inner connection protrusion 3 ... outer connection portion 3a ... outer connection protrusion 4 ... pin 5 … Roller 6… Drive wheel 6b… Recess

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Yukio Kuramochi 6-9-9, Fukuda, Yamato-shi, Kanagawa Prefecture i-Stan Giken Co., Ltd. (72) Inventor Masaaki Meguro 21-6-1, Fukuda 6-9-9, Yamato-shi, Kanagawa Prefecture F-term in Eastern Giken Co., Ltd. (reference) 3F034 AA04 CA02 CA05 CB05 3F076 AA01 BA05 CA04 CA07 DA02 DA28 DB02 EA09 EB01

Claims (3)

[Claims] 1. A plurality of plate members each having an inner connection portion formed on one side edge on the back surface side of the plate portion and an outer connection portion formed on the other side edge, and adjacent plate members are connected to each other by an inner connection portion on one side edge. And an outer connecting portion of the other side edge by a pin to form an endless type conveyor belt in which a pivot connecting portion is formed, and a plurality of recesses with which the pivot connecting portion of the adjacent plate material can be engaged. And a drive vehicle formed with the same pitch as the pitch of the pivot connection portion. 2. An outer connecting portion comprising a plate portion, an inner connecting portion on one side edge on the back side of the plate portion, and a pair of left and right outer connecting protrusions which can accommodate the inner connecting portion on the other side edge. ,
A plate member comprising a connection hole formed in the inside connection portion and the outside connection portion, a pin inserted into the connection hole portion, and a driving wheel having a plurality of recesses formed on the outer periphery; Is inserted between the outer connection projections of the adjacent plate members, and a pin is inserted into the connection hole to form a pivotal connection portion, thereby forming an endless type conveyor belt composed of a plurality of plate members, and the inner connection portion and the outer side. A conveyor device, wherein a pitch between a pivotal connecting portion with a connecting portion and a concave portion of the driving vehicle is made equal. 3. The inner connecting portion according to claim 2, wherein
A pair of left and right inner connection protrusions, a roller rotatably supported by the pins and disposed between the inner connection protrusions is provided, and the inner connection portion of the plate material is inserted into the outer connection portion of the adjacent plate material. A conveyor device, wherein the roller can be engaged with a concave portion of the driving wheel.