JP2001097223A - Carriage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a carriage capable of reducing the labor and the time and improve the convenience on the sanitary management and the conveying by dispensing with the loading and unloading of materials when the materials are conveyed by cooperation of plural carriages. SOLUTION: In a duplex carriage formed by loading a sub-carriage onto a master carriage, the master carriage is provided with a guide member for guiding the loading of the sub-carriage, and at least one of the master carriage and the sub-carriage is provided with a fixing means for fixing both carriages at relative positions. The guide member may be formed by a flat plate standing on an approximately peripheral edge of a loading plate of the master carriage, and the fixing means may be composed of an engagement projection formed on a peripheral edge of a loading plate of the sub-carriage and a locking device mounted on the peripheral edge of the loading plate of the master carriage to arbitrarily switching the engagement with the engagement projection. A foot brake for fixing a ground position may be formed on a lower part of the loading plate of the master carriage.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cart used for transporting packaging materials, raw materials and the like (hereinafter simply referred to as "materials") in cooperation with a plurality of carts.

[0002]

2. Description of the Related Art When transporting materials on a trolley, there is a case where a plurality of trolleys cooperate with each other for the purpose of hygiene management and transportation. For example, in order to carry a material into a food manufacturing room, conventionally, the material was transported to the entrance of the manufacturing room using an outdoor cart, where the material was transshipped to an indoor cart. This transshipment operation requires labor and time. Prolonged working time introduces various problems. For example, there are problems such as adverse effects on materials and temperature and humidity management in the manufacturing room, and insects entering due to opening of the insect-proof shutter at the entrance of the manufacturing room.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to provide an inexpensive and simple trolley that does not require the reloading operation in order to eliminate various problems derived from the labor and time involved in the material reloading operation. Make it an issue.

[0004]

Means for Solving the Problems In order to solve the above-mentioned problems, a truck according to the present invention has the following arrangement. That is, it is a double-type carriage having a child carriage mounted on the parent carriage, and the parent carriage is provided with a guide member for guiding the loading of the child carriage, and at least one of the parent carriage and the child carriage has both of them. Fixing means for fixing the relative position is provided. Here, the guide member may be constituted by a flat plate which is provided upright on a substantially peripheral edge of the loading plate of the parent carriage, and the child carriage may be easily loaded on the parent carriage with a simple configuration. Further, the fixing means is disposed on the periphery of the loading plate of the parent carriage and the engagement projection protruding from the periphery of the loading plate of the child carriage, and the engagement with the engagement projection can be switched on and off. It may be constituted by a lock device to contribute to the convenience of loading and unloading of the child carriage and the stability at the time of loading. Furthermore, a foot-type brake for fixing a ground contact position may be provided below the loading plate of the parent bogie to contribute to preventing displacement.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view showing a conventional mode of transporting materials in cooperation with two carts. An example in which the material (10) is transported from the outside (12) to the room (13) at a position where the floor has a step (11) as a boundary. For the convenience of hygiene management and transportation, the outdoor trolley (A) is used in the outdoor (12), and the indoor trolley (B) is used in the indoor (13). In this conventional system, it is necessary to reload the material (10) from the outdoor trolley (A) to the indoor trolley (B).

In order to save labor and time involved in the transfer of the material (10), the present invention has created an inexpensive and simple bogie that does not require a transfer operation. FIG. 2 is an explanatory view showing an embodiment of the present invention in which materials are transported in cooperation with two carts. As in FIG. 1, the material (10) is transferred from the outdoor (12) to the indoor (13) at a position where there is a step (11) on the floor.
Here is an example of transporting.

The truck of the present invention is a double truck in which a child truck (C) is mounted on a parent truck (P). Parent carriage (P)
Is for loading the child trolley (C), and the material (10) is loaded on the child trolley (C). Therefore, the material (10) is transported by the parent trolley (P) while being loaded on the child trolley (C) in the outdoor (12), and is transported by the child trolley (C) in the indoor (13). . Therefore, at the boundary between the indoor and the outdoor, the transport of the material (10) can be performed by a simple operation of only lowering the child trolley (C) from the parent trolley (P).
Cooperation is performed by two carts (C) and (P). Conversely, the material (1
The same applies to the case where 0) is transported from the room (13) to the outside (12).

FIGS. 3 and 4 are a front view and a plan view showing a state in which the child trolley (C) is loaded on the parent trolley (P). A guide member for guiding the loading of the child trolley (C) is provided on the parent trolley (P). In this embodiment, two side plates (25) and (26) are shown as guide members. Side plate (25)
(26) is a flat plate, and the loading plate (2) of the parent trolley (P).
At the substantially peripheral position of the upper surface (23a) of 3), they are erected in parallel with each other. The height of the side plates (25) and (26) is preferably higher than the position of the loading plate (23) of the loaded child carriage (C), and the distance between the side plates (25) and (26) is preferably the child carriage (C).
Is preferably slightly wider than the width of the loading plate (23).

Rear ends (25a) of the side plates (25) and (26)
(26a) is formed integrally with the flat rear plate (27), and the front ends (25b) (26b) of the side plates (25) and (26).
Has a gentle curved surface, and the gap between the side plates (25) and (26) is smoothly widened. The child trolley (C) is connected to the side plate (2) at the front ends (25b) and (26b) of the side plates of the parent trolley (P).
5) It is guided between (26) and is loaded on the loading plate (23) of the parent bogie (P). As a guide member for guiding the loading of the child carriage (C), such side plates (25) (2)
In addition to 6), rails for guiding the front and rear wheels (21) and (22) of the child carriage (C) can be used.

At least one of the parent trolley (P) and the child trolley (C) is provided with fixing means for fixing the relative positions of the two. FIG. 5 is a front view showing an aspect in which the child trolley (C) is fixed to the parent trolley (P), and FIG. 6 is a front view showing an aspect in which the child trolley (C) is released from the parent trolley (P). is there. In this embodiment, the fixing means comprises a child trolley (C) and a parent trolley (P).
Is provided in both. The fixing means provided on the slave carrier (C) is an engagement projection (24) projecting downward from the peripheral edge of the front end of the loading plate (23). This engagement projection (2
4) is engaged with the lock device (30), which is a fixing means provided on the parent trolley (P), whereby the child trolley (C) is fixed to the parent trolley (P).

The lock device (30) is located on the periphery of the loading plate (23) of the parent bogie (P), that is, the rear plate (27).
It is connected to and arranged. A pedal (34) and a lock rod (35) are pivotally supported on a frame (31) extending forward from the rear plate (27) via fulcrums (32) and (33), respectively. A rear portion (34a) of the pedal (34) passes through a pedal hole (27a) opened in the rear plate (27), and is an elastic body such as a spring attached to the rear plate (27) above the pedal hole (27a). It is urged upward by (36). The front end (34b) of the pedal (34)
The front end (35b) of the lock bar (35) abuts, and the lock bar (35) is inclined forward. Lock rod (3
In order to tilt the lock rod (5) forward, the lock rod (35) is made heavier than the rear part, or the lock rod front end (35b) is connected to the pedal front end (34b) by an elastic body or the like. Means is used as appropriate.

[0012] Here, when the child trolley (C) is moved on the parent trolley (P) in the direction of the arrow (x) shown in FIG. 5, the engaging projection (24) of the child trolley (C) is moved. It collides with the rear part (35a) of the lock rod (35) of (P). Then, the lock rod (35) temporarily leans backward and immediately leans forward,
The engaging projection (24) engages with the lock bar (35), and the child trolley (C) is fixed to the parent trolley (P).

When the rear part (34a) of the pedal is depressed in the direction of the arrow (y) shown in FIG. 6, the lock rod (35) is inclined backward, so that the engagement between the engaging projection (24) and the lock rod (35) is performed. Is released. At this time, if the child trolley (C) is moved in the direction of the arrow (z), the child trolley (P) can be loaded from the parent trolley (P). As described above, the lock device (30) capable of freely switching the engagement with the engagement protrusion (24) of the sub-cart (C).
Is installed on the parent trolley (P), the convenience of loading and unloading the child trolley (C) and the stability during loading are achieved.

In this embodiment, the fixing means is a sub-cart (C)
And the parent trolley (P), but may be provided on only one of the child trolley (C) and the parent trolley (P). For example, the same locking device (30) as described above, which is installed on the parent trolley (P) without installing the fixing means on the child trolley (C).
May be engaged with the existing front wheel (21) of the sub trolley (C), or conversely, the lock device (30) may be disposed on the sub trolley (C).

When loading and unloading the child trolley (C) on the parent trolley (P), if the parent trolley (P) moves, the work becomes difficult and there is a danger. In order to cope with this, a foot-type brake (40) for fixing the grounding position is provided below the loading plate (23) of the parent bogie (P) (Model 900- manufactured by Hammer Caster Co., Ltd.).
4) was provided. The foot type brake (40) includes a support rod (41) that expands and contracts downward from the lower surface (23b) of the loading plate (23). The supporting rod (41) has a fulcrum (43)
Through the down pedal (44) and the up pedal (4).
5) is mounted on the shaft. When the down pedal (44) is depressed downward, the support rod (41) is extended, and the support rod (41) is extended.
Is fixed to the ground by the base (42) at the lower end. When the up pedal (45) is depressed downward, the support rod (41)
Is contracted, and the grounding by the base (42) is released.

[0016]

The cart according to the present invention has the following effects by having the above-described configuration. According to the trolley of the first aspect, since the trolley is a dual trolley in which the child trolley is loaded on the parent trolley, there is no need to reload the materials when transporting the materials in cooperation with the plurality of trolleys. Therefore, labor and time involved in the transshipment operation are reduced, which contributes to hygiene management and transportation convenience. Further, since the parent bogie is provided with a guide member for guiding the loading of the child bogie, the loading and unloading of the child bogie is easy, and a fixing means for fixing the relative position between the parent bogie and the child bogie is provided. Material transportation is stable.

According to the second aspect of the present invention, since the guide member is formed of a flat plate provided on the parent carriage, the child carriage can be easily loaded on the parent carriage with a simple configuration.

According to the truck of the third aspect, since the fixing means is constituted by the engaging projection provided on the slave truck and the lock device provided on the master truck, the fixing means can be effectively constructed with a simple structure. Convenience of loading / unloading the child trolley onto the parent trolley and stability during loading can be achieved.

According to the truck of the fourth aspect, the foot-type brake is provided on the parent truck, so that the simple structure can be ensured.
The displacement of the parent trolley is prevented, which contributes to the convenience of loading / unloading the child trolley onto / from the parent trolley.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a conventional mode of transporting materials in cooperation with two carts.

FIG. 2 is an explanatory view showing an embodiment of the present invention in which materials are transported in cooperation with two carts.

FIG. 3 is a front view showing a state where the child trolley is loaded on the parent trolley.

FIG. 4 is a plan view showing a state where the child bogie is loaded on the parent bogie.

FIG. 5 is a front view showing a mode in which the child trolley is fixed to the parent trolley.

FIG. 6 is a front view showing a mode in which the child trolley is released from the parent trolley.

[Explanation of symbols]

A, B Conventional trolley C Child trolley P Parent trolley x Direction of loading child trolley on parent trolley y Direction to operate pedal when lowering child trolley from parent trolley z Direction of lowering child trolley from parent trolley DESCRIPTION OF SYMBOLS 10 Material 11 Step 12 Outdoor 13 Indoor 20 Handle 21 Front wheel 22 Rear wheel 23 Loading plate 23a, b Upper and lower surfaces of loading plate 24 Engagement projection 25, 26 Side plate 25a, 26a Rear end of side plate 25b, 26b Front end of side plate 27 Rear Plate 27a Pedal hole 30 Lock device 31 Frame 32, 33 Support point 34 Pedal 34a, 34b Rear and front ends of pedal 35 Lock rods 35a, 35b Rear and front ends of lock rod 36 Elastic body 40 Foot brake 41 Support rod 42 Base 43 Fulcrum 44 down pedal 45 up pedal

Claims (4)

[Claims] Claims: 1. A dual truck having a child bogie loaded on a parent bogie, wherein the parent bogie has a guide member for guiding the loading of the child bogie, and at least one of the parent bogie and the child bogie is provided with a guide member. A bogie comprising fixing means for fixing the relative positions of the two. 2. The bogie according to claim 1, wherein the guide member is a flat plate provided upright on a substantially peripheral edge of a loading plate of the main bogie. 3. A fixing means is provided on the periphery of the loading plate of the main carriage and an engagement projection protruding from the periphery of the loading plate of the sub-truck, and is capable of engaging and disengaging the engagement with the engagement projection. The bogie according to claim 1, further comprising a lock device that is switched to: 4. The bogie according to claim 1, wherein the main bogie has a foot-type brake at a lower portion of the loading plate for fixing a ground contact position.