JP2001048006A - Carrier equipment for using mobile body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily constitute a passage in a state that a fixed route is intersected without forming a large-scaled pit by providing the fixed route with a main route part and a sub route part and traveling a plurality of mobile bodys in a closely pushing state between a feeding device and a braking device of the main route part. SOLUTION: A fixed route 8 has main route parts 8A, 8B, 8D in which a guided body is guided to a main guide body 6 on a floor 1 side and a sub route part 8c to be guided to a sub guide body 5 on an upper side of the floor 1. Both of sub route parts 8C are intersected by a passage 7 and an intermittent passing can be performed. A mobile body is constituted so as to be freely travelable on the fixed route 8 by functioning a pressing part to feeding rollers 29, 49 of feeding devices 20, 40 provided at a plurality of portions of the fixed route 8. In the mobile body fed to the first main route part 8A, a plurality of mobile bodys are aligned and traveled in closely pushing states between the front and rear ends by traveling force of the feeding device 20 and braking force of a braking device 60.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer facility using a moving body, which is used to transfer a conveyed object on a fixed path on a floor side.

[0002]

2. Description of the Related Art Conventionally, a non-driving movable body is conveyed along a fixed path, for example, as disclosed in Japanese Patent Laid-Open No. 2-209309.
A movable body transfer facility as disclosed in Japanese Patent Application Laid-Open Publication No. H10-209,873 is provided. In this conventional configuration, a pair of left and right rails is provided via a base plate, and a movable body that is supported and guided by these rails and that can travel on a fixed path is provided, and the movable body has a pressure receiving portion facing outward. Has formed. And a movable body conveying device that applies a feed roller to the pressure receiving portion to apply a traveling force to the movable member during the fixed path, and a brake that applies a braking force to the movable member by applying a brake roller to the pressure receiving portion. Device.

According to such a conventional configuration, the movable body is positioned opposite to the movable body transport device at the start end of the fixed path, and then the forcibly rotating feed roller is brought into contact with the pressure receiving section. A large propulsive force is applied to the movable body by the movable body transport device, so that the movable body can travel on a fixed route. At this time, since the braking force is applied to the movable body by the braking device at the end of the fixed path, the movable body of the lower hand is conveyed under the braking action, and therefore, the fixed path Above, the movable body group can run in a densely pushed state without creating a gap between the front and rear ends.

[0004]

However, according to the above-mentioned conventional structure, the movable body group travels on a fixed route by supporting and guiding the wheel group on a pair of left and right rails. In the endless or free-end fixed path, at least the rail is laid on the floor so as to protrude. Therefore, a vehicle such as a forklift, a hand cart, or the like cannot travel while crossing a certain route. To deal with this, it is conceivable to form a pit on the floor side and lay a rail in this pit, but in this case, the construction of a large-scale pit requires a lot of construction cost, and the existing factory Pits cannot be easily formed in the interior.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a transporting facility using a moving body which can easily form a passage in a state of crossing a fixed route without forming a large-scale pit. It was done.

[0006]

In order to achieve the above-mentioned object, according to the present invention, there is provided a transfer equipment using a moving body, wherein the moving body has a pressure receiving portion formed on one side surface of a main body of the moving body. In addition, at the lower part of the main body, wheels are provided at least at four places in front, rear, left and right, a main guided body is provided between the left and right wheels, and a sub guided body is provided between the front and rear wheels, respectively, Is configured to be able to run on a fixed path by applying feed rollers of feed devices provided at a plurality of locations to the pressure receiving portion, and the fixed path is such that a main guided body is a floor-side main guide body. The main receiving portion and the sub-guided member have a sub-path portion guided by the sub-guide member on the floor, and the pressure receiving portion is provided at least one main path portion below the feeder. To apply a braking force to the moving body by applying a braking roller to the Device is provided, in between these feeding system and the braking device, the movement of the plurality is,
It is configured so that the vehicle runs in a closely pushed state without a gap between its front and rear ends and runs in a state of being pushed closely. In the sub-path portion, the sub-guided body and the front and rear wheels are guided by the sub-guide body. It is characterized by having such a configuration.

Therefore, according to the first aspect of the present invention, a traveling force is applied to the moving body by bringing the feed roller of the feeding device into contact with the pressure receiving portion of the moving body at a plurality of points on the fixed path.
This moving body can travel on a fixed route. And, in the main path portion, by applying a braking force to the moving body by the braking device at the end portion, the movable body group is not densely pushed on the main path portion without creating a gap, and in a densely pushed state. I can run.

[0008] The traveling of the moving body on such a main route portion is as follows.
Since the main guided body is guided to the main guide body with a sufficient fitting margin, the main guided body can be stably performed without swinging or derailing. In addition, even when the height of the sub-guide body is reduced, the traveling of the moving body in the sub-path portion is performed by fitting one of the wheels and the sub-guided body to the sub-guide body and guiding the same. The guidance state can be maintained, and the traveling can be performed without swinging or derailing. Since the height of the sub guide body can be reduced, the sub path portion can be used as a passage.

According to a second aspect of the present invention, there is provided a transfer facility using a moving body, wherein the sub-path portion and the passage are formed so as to intersect with each other. It is. Therefore, according to the second aspect of the invention, when the passage is opened by intermittently moving the moving body in the sub route, the passage is used at the time of opening to allow the passage of a vehicle such as a forklift, the passage of a hand cart, and the passage of a person. It can be used for traffic.

According to a third aspect of the present invention, there is provided a transporting apparatus using a moving body, wherein a plurality of moving bodies are arranged in a densely pushed state and run in the configuration according to the first or second aspect. A sub-path portion is connected to each of the start and end portions of the main path portion, and both sub-path portions are parallel to each other. Therefore, according to the third aspect of the invention, the endless fixed path and the passage can be formed to intersect.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below.
The state adopted for an endless constant path will be described with reference to the drawings. 1 to 6, a thin (6 mm)
The base body 2 made of an iron plate is laid along an endless fixed path 8 to be set. This constant route 8
The first main path portion 8A is linear and long, and the second main path portion 8B is linear and short with respect to the first main path portion 8A.
And a pair of sub-path portions 8 arranged at right angles to the start and end portions of the first main path portion 8A and parallel to each other.
C, a plurality of third main path portions 8D that are linear and extremely short,
It is composed of a large number of curved path sections 8E for connecting between these path sections 8A to 8D. The passage 7 is formed so as to intersect with the parallel sub-path portions 8C.

Each of the main route sections 8A, 8B, 8D and the sub route section 8
In C, a pair of left and right wheel receiving plates 3 made of a thin (about 6 mm) band plate are laid on the base body 2, and a single plate-shaped wheel receiving plate 4 is provided in the curved path portion 8E. Laying on top. A pair of left and right sub-guides 5 made of a thin strip are laid with a predetermined length on the wheel receiving plate 3 positioned outside in the sub-path portion 8C. The width of the formed guide groove is set so as to guide the wheel and the sub-guided body (both will be described later).

In the endless fixed path 8, except for the place where the sub-guide body 5 is provided, a pair of left and right main guide bodies 6 made of L-shaped rail plates are provided at the center in the width direction. It is laid, and at this time, the width of the guide groove formed between the main guide bodies 6 is set so as to guide the main guided body (described later). The height H of the main guide body 6
Is set so that the main guided body can be sufficiently (substantially entirely) fitted, and the height h of the sub-guide body 6 is such that only the sub-guided body and the lower part of the wheel are fitted (partly). It is set to be able to. Further, concrete is cast, for example, in order to fill the step of height h of the sub guide body 5, thereby forming a cast inclined surface 9.

The movable body 10 of the bogie type has a pressure receiving portion 1 formed by both sides (at least one side) of a rectangular flat frame-shaped main body 11.
2, and a contact surface 13 for pushing is formed by the front and rear surfaces of the main body 11. In the lower part of the main body 11, wheels are provided at least at four places in front, rear, left and right, that is, a pair of left and right caster wheels 14 is provided at a front part, and a pair of left and right stationary wheels 15 are provided at a rear part. May be caster wheels, or all may be stationary wheels.

At the lower portion of the main body 11 in the widthwise central portion (between the left and right wheels), a pair of main guided members 16 of idle roller type are provided in front and rear. Further, the right and left (at least one) portion of the lower part of the main body 11 includes front and rear wheels 1.
An idler roller type sub-guided body 17 is provided between the front and rear pairs 4 and 15. In addition, on the main body 11, a transferred object supporting means 19 is provided via a stand 18.

Here, the main guided member 16 is the main guide member 6.
It is configured to be fitted and guided in a guide groove formed between the auxiliary guided body 17 and the front and rear wheels 14,
15 are configured to be fitted and guided in guide grooves formed between the sub-guide bodies 5. That is, the fixed path 8 is such that the main guided body 16 is the main guide body 6 on the floor 1 side.
And a main path portion 8C for guiding the sub-guided body 17 and the front and rear wheels 14, 15 to the sub-guide body 5 on the floor 1 side. Have been.

The moving body 10 is configured to run on the fixed path 8 by applying feed rollers of feeders provided at a plurality of positions on the fixed path 8 to the pressure receiving portion 12. Here, the feeder includes a main feeder 20 provided at the start end of the first main path 8A or the second main path 8B,
It comprises sub-feeding devices 40 provided at a plurality of locations such as the start end and the end of each of the path portions 8A to 8E.

The main feeder 20 is shown in FIGS. 1, 4, 7 and 8. That is, the mounting member 21 is provided on the base body 2, and the mounting member 21 supports the longitudinal axis 22. The vertical axis 22 indicates the bearing 2
A link member 24 is swingably mounted around a longitudinal axis 25 via the support member 3, and a support member 26 is provided at a free end of the link member 24.

The support member 26 is provided with an induction motor 27 with a speed reducer, which is an example of a rotary drive device. The output shaft 28 taken downward from the induction motor 27 has, for example, an outer peripheral portion made of urethane. Roller 29 is fixed. Note that the induction motor 27 applies a feed torque A to the feed roller 29.
Is provided.

A rod 30 extending rearward is connected to the supporting member 26 via a vertical pin 31 so as to be swingable. The rod 30 is penetrated by a bracket 32 provided on the mounting member 21. I have. And rod body 3
And a bracket body 32 provided at the rear of the
A compression spring 34 is disposed between the rod body 30 and the compression spring 34. The stopper body 35, which can abut on the bracket body 32, is located in the middle of the rod body 30 in the form of a bolt nut. It is provided to be adjustable. Above 21
An example of the main feeding device 20 is constituted by the components 35 to 35 and the like.

Accordingly, the main feeding device 20 causes the link member 24 to swing about the longitudinal axis 25 via the rod member 30 or the like by the elastic repulsive force of the compression spring 34, and causes the feed roller 29 to move to the one pressure receiving portion 12. Can be urged in the direction in which it abuts against. At that time, the maximum approach position is the stopper 3
5 A receiving roller device 37 is provided so as to face the main feeding device 20, and a receiving roller 38 to which the other pressure receiving portion 12 can abut is biased to a fixed position or by a spring. It is provided.

The sub-feeding device 40 is shown in FIGS.
It is shown in FIG. That is, a mounting member 41 is erected from the base body 2, and the mounting member 41 supports a vertical axis 42. A link body 44 is swingably mounted on the longitudinal axis 42 around a longitudinal axis 45 via a bearing 43, and a support member 46 is provided at a free end of the link body 44.

On the support member 46, an induction motor 47 with a speed reducer, which is an example of a rotary driving device, is provided. An output shaft 48 taken out from the induction motor 47 has, for example, an outer peripheral portion. A urethane feed roller 49 is fixed. The induction motor 47 is configured to apply a feed rotation force A to the feed roller 49.

A rod body 50 extending rearward is swingably connected to the support member 46 via a vertical pin 51, and this rod body 50 is penetrated by the mounting member 41. And, between the bracket body 52 integrated with the front part of the rod body 50 and the mounting member 41, the rod body 5 is provided.
0, a compression spring 53 is provided, and a stopper body 54 that can abut on the mounting member 41 is provided at the outer end of the rod body 50 so as to be adjustable in position using a bolt and nut type. The non-working portion of the feed roller 49 is covered with a cover 55. 41 to 55 above
An example of the sub-feeding device 40 is configured by the above.

Therefore, the sub-feeding device 40 causes the link body 44 to swing inward around the longitudinal axis 45 through the rod body 50 and the like by the elastic repulsive force of the compression spring 53, and causes the feed roller 49 to press the pressure receiving portion 12 Can be urged in the direction in which it abuts against. At this time, the maximum approach position is the stopper 54
Regulated by Behind the feeder in at least one main path section, namely the first main path section 8A and the second main path section
At the end of the main path portion 8B, a braking device 60 that applies a braking force to the moving body 10 by applying a braking roller 61 to the pressure receiving portion 12 is provided.

The braking device 60 is provided with the main feeding device 2.
0, and can freely contact the pressure receiving portion 12 of the main body 11 from the side, for example, a braking roller 61 made of urethane, and the braking roller 61 It is composed of a rotation drive device 62 for applying the feed rotation force B and the like. In addition, the rotation drive device 6
Reference numeral 2 denotes a torque motor or the like, and its feed torque B is set smaller than the feed torque A of the induction motor 27, that is, A> B.

Therefore, in the first main path section 8A and the second main path section 8B, the feed devices 20, 40 and the braking device 60 are provided.
Between the moving body 10 and the front and rear ends thereof, that is, the front and rear contact surfaces 13
Are arranged so as to be aligned closely in a state of being pushed closely. A receiving roller device 65 is provided so as to face the above-described braking device 60. In the receiving roller device 65, a receiving roller 66 to which the other pressure receiving portion 12 can freely contact is urged to project to a fixed position or by a spring. It is provided.

The operation of the above embodiment will be described below. The movable body 10 that has been fed into the first main path portion 8A by the feed rotation force A of the sub-feeding device 40 in the curved path portion 8E in the upper side of the first main path portion 8A.
In the first main path portion 8A, a running force is applied by the feed rotation force A of the feed device 20 and a braking force is applied by the feed rotation force B of the braking device 60.
A plurality of moving bodies 10 are aligned and run in a tightly pushed state without a gap between the front and rear ends thereof.

That is, as shown by the imaginary line in FIG. 7, the feed roller 29 projecting inward by the elastic force of the compression spring 34 is brought into contact with the pressure receiving portion 12 of the movable body 10 that has been fed. As a result, as shown by the solid line in FIG. 7, it is pressed against the pressure receiving portion 12 in a state of being retracted against the elastic force of the compression spring 34. At this time, the feed roller 29 is rotationally driven by the induction motor 27, and therefore, the feed roller 2 which is forcibly rotated.
9 is brought into pressure contact with the pressure receiving portion 15 to apply a traveling force to the moving body 10 by the rotational force A of the feed, so that the moving body 10 travels at a desired speed on the first main path portion 8A. In this case, the mobile units 10 located in the form of a dense train on the first main route section 8A are pushed and driven.

Since the other pressure receiving portion 12 of the moving body 10 is brought into contact with the receiving roller 38 of the receiving roller device 37, the feed roller 29 can be brought into pressure contact with the pressure receiving portion 15 with a strong frictional force. It can give a great running force. Note that the receiving roller device 37 may be omitted. The braking device 6 is applied to the moving body 10 that has reached the end side of the first main path portion 8A.
0 is braking. That is, the braking roller 61 pressed against the pressure receiving portion 15 is forcibly rotated by the same operation as that of the main feeding device 20. In this case, the main feeder 20
Is large, the moving body 10 corresponding to the braking device 60 is driven under a braking action corresponding to the difference, so that the main feeding device 20 , The plurality of moving bodies 10 are arranged in a tightly pushed state without a gap between the front and rear ends thereof.

As described above, the moving body 1 on the first main route portion 8A
While the vehicle 0 is running intermittently or continuously, and while it is intermittently stopped, a worker on the floor 1 or a worker who has moved onto the main body 11 is supported by the transported object support means 19. Various operations are performed on the conveyed object. The moving body 10 pushed and run from the first main route portion 8A travels on the curved route portion 8E by the sub feed device 40, and travels on the sub route portion 8C.
0, and the vehicle travels in the same manner as the curved route portion 8E, the third main route portion 8D, and the curved route portion 8E.
The vehicle runs on the main route 8B. Then, while traveling on the second main route portion 8B, the worked object is lowered and a new object is loaded.

Next, the moving body 10 that has exited from the second main path section 8B is similarly moved to the curved path section 8E and the third main path section 8B.
D, the curved route portion 8E, the third main route portion 8D, the curved route portion 8E, and then travels on the second main route portion 8B,
Then, when the vehicle enters the first curve route section 8E, the vehicle travels in a circulating manner. As shown in FIGS. 2 to 4, each of the wheels 14 and 15 is rolled on the wheel receiving plate 3 when the moving body 10 travels on the first main route portion 8A and the second main route portion 8B described above. Since the pair of front and rear main guided bodies 16 is fitted and guided by the main guide body 6, the main guided bodies 16 are stably performed without swinging or derailing. Loading and unloading can always be performed accurately.

As shown in FIGS. 5 and 6, the traveling of the moving body 10 on the sub route portion 8C is performed by the wheels 14 on one side.
15 are fitted and guided by the sub-guide body 5 and rolled on the wheel receiving plate 3, and the pair of front and rear sub-guided bodies 17
Is guided in a stable manner without swinging or derailing. That is, in the sub-path portion 8C, the movable body 10 is guided by fitting the sub-guide body 5 with the wheels 14, 15 and the two sub-guided bodies 17 in a total of four fitting positions. Although the h is low, the guidance state is maintained as the moving body 10, and the traveling is always stably performed without swinging or falling off.

In the traveling of such a group of moving bodies 10,
In the sub route section 8C, the moving body 10 runs intermittently, and the passage 7 may be opened. At the time of opening, passage of vehicles such as forklifts, passage of hand trucks, and passage of people are performed using the passage 7. At this time, since the auxiliary guide body 6 is formed by holding down the height h, the traffic of the vehicle and the cart is smooth without unnecessarily rattling, and it is difficult for the traffic of people to catch on the foot. I can do it. Further, when the driving inclined surface 9 is formed outside the sub-guide body 6, the passage can be performed more suitably.

In the above embodiment, the first main path section 8
A pair of sub-path portions 8C which are arranged at right angles to each other and are parallel to each other are shown at the start and end portions of A. The sub-path portion 8C is formed linearly with respect to the first main path portion 8A. The passage 7 may be formed so as to intersect one sub-path portion 8C.

[0036]

According to the first aspect of the present invention, the traveling of the movable body group in the main path portion in the densely pushed state is as follows.
Since the main guided body is guided with a sufficient fitting allowance to the main guide body, it can be performed stably without swinging or detaching, so that various operations are always performed accurately. Can be. In addition, the traveling of the moving body on the sub-path portion can be achieved by lowering the height of the sub-guide body by guiding one of the wheels and the sub-guided body by fitting the plurality of locations into the sub-guide body. Since the guidance state can be maintained, the traveling can be always performed stably without swinging or derailing. Further, since the height of the sub guide body can be reduced, the sub path portion can be used as a path, so that the path can be easily formed without crossing a certain path without forming a large-scale pit.

According to the second aspect of the present invention,
When the moving body is intermittently run on the sub route and the passage is opened, the passage can be used at this time to allow the passage of vehicles such as forklifts, the passage of hand carts, the passage of people, etc. In this case, since the auxiliary guide body can be formed by holding down the height, the traffic of the vehicle and the cart can be performed smoothly without unnecessary rattling, and the traffic of the person can be performed with hard to catch the foot.

According to the third aspect of the present invention, the endless fixed path and the passage can be preferably formed to intersect with each other.

[Brief description of the drawings]

FIG. 1 shows an example of an embodiment of the present invention and is a schematic plan view of a transfer facility using a moving body.

FIG. 2 is a plan view of the moving body in the transport facility using the moving body.

FIG. 3 is a side view of the moving body in the transfer facility using the moving body.

FIG. 4 is a partially cutaway rear view of the moving body in the transport facility using the moving body.

FIG. 5 is an explanatory diagram of wheel guidance of a sub-path portion in the transport facility using the moving body.

FIG. 6 is an explanatory view of a sub-guide body guide of a sub-path portion in the transport equipment using the moving body.

FIG. 7 is a plan view of a main feeding device in the transfer equipment using the moving body.

FIG. 8 is a partially cut-away side view of a main feeding device in the transfer facility using the moving body.

FIG. 9 is a rear view of a sub-feeding device in the transfer equipment using the moving body.

FIG. 10 is a plan view of a sub-feed device portion in the transport equipment using the moving body.

FIG. 11 is a partially cutaway side view of a sub-feeding device portion in the transport equipment using the moving body.

[Explanation of symbols]

 Reference Signs List 1 floor 3 wheel receiving plate 4 wheel receiving plate 5 sub guide body 6 main guide body 7 passage 8 constant path 8A first main path section 8B second main path section 8C sub path section 8D third main path section 8E curved path section 9 Casting inclined surface 10 Moving body 11 Main body 12 Pressure receiving part 13 Contact surface 14 Caster wheel 15 Stationary wheel 16 Main guided body 17 Secondary guided body 20 Main feed device 24 Link body 25 Vertical axis 27 Induction motor (rotary drive device) 29) Feed roller 34 Compression spring 37 Receiving roller device 38 Receiving roller 40 Sub-feed device 44 Link body 45 Vertical axis 47 Induction motor (rotation driving device) 49 Feed roller 53 Compression spring 60 Braking device 61 Brake roller 62 Rotation driving device 65 Receiving roller device 66 Receiving roller A Feed rotation force B Feed rotation force H Main guide body 6 Height h Height of sub-guide body 6

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Kenichiro Kawato 1225 Nakazaiji Temple, Hino-cho, Gamo-gun, Shiga Prefecture Inside Daifuku Shiga Plant (72) Inventor Nobuhiro Hayashi 1225 Nakazaiji Temple, Hino-cho, Gamo-gun, Shiga Prefecture Daifuku Corporation Shiga Works

Claims (3)

[Claims] The moving body has a pressure receiving portion formed on one side surface of a main body thereof, and a lower portion of the main body has wheels at least at four positions in front, rear, left and right, and a main guided member between the left and right wheels. A sub-guided body is provided between the front and rear wheels, and the moving body is configured to be able to travel on a fixed path by applying feed rollers of feed devices provided at a plurality of locations to the pressure receiving portion. In addition, the fixed path has a main path section in which the main guided body is guided by the floor-side main guide body and a sub-path section in which the sub-guided body is guided by the floor-side sub-guide body, A braking device that applies a braking force to a moving body by applying a braking roller to the pressure receiving portion is provided below the feeding device in at least one main path portion, and a braking device is provided between the feeding device and the braking device. In, multiple moving objects,
It is configured so that the vehicle runs in a closely pushed state without a gap between its front and rear ends and runs in a state of being pushed closely. In the sub-path portion, the sub-guided body and the front and rear wheels are guided by the sub-guide body. Transport equipment using a moving body, characterized in that it is configured as follows. 2. The transportation equipment according to claim 1, wherein the sub-path portion and the passage are formed so as to intersect with each other. 3. A sub-path portion is connected to each of the start and end portions of a main path portion configured so that a plurality of moving bodies are aligned and driven in a closely pushed state, and both sub-path portions are connected to each other. 3. The transport equipment according to claim 1, wherein the transport equipment is parallel.