JPH0640401Y2 - Transporter driven by linear motor - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention lays a secondary conductor rail so that the secondary conductor surface faces upward on the travel route side of a transportation train that is supported by guide rails and travels. However, the present invention relates to a carrier device in which a linear motor main body that faces the secondary conductor surface of the secondary conductor rail with a gap is attached to the bottom of a carrier train.

(Problems to be Solved by the Related Art and Invention) In this type of transport device, in order to efficiently propel a transport train with a linear motor, a linear motor main body on the transport train side and a linear motor on the travel route side are used. The clearance between the surface of the secondary conductor rail (secondary conductor surface) must be set and maintained as small as possible, from 1 to several mm. However,
For example, if a traverser with a guide rail or a turntable with a guide rail for switching the travel route of a transportation train is provided, the transportation between the movable guide rail on the traverser or turntable and the fixed guide rail on the floor is performed. In the train transfer section, it is very difficult to make the movable guide rail and the fixed guide rail at the same level, and it is unavoidable that a slight step of 1 to 2 mm occurs. In this way, when there is a step between the guide rails, a similar step is also created between the secondary conductor rails installed at the same location. When transferring to the rail, the linear motor main body that transfers between the secondary conductor rails of different levels may come into contact with the end of the secondary conductor rail of the higher level and be damaged.

(Means for Solving the Problems) The present invention has been made to solve the above-mentioned conventional problems, and its features are denoted by reference numerals of embodiments described later in parentheses. As shown, the secondary conductor surface (7a) was laid so as to be upward between the pair of left and right guide rails (2A, 2B) for supporting and guiding the wheels (3a to 4b) before and after the transport train (1). A transport train (1) between the front and rear wheels (3a to 4b) so as to face the secondary conductor rail (7) and the secondary conductor surface (7a) of the secondary conductor rail with a gap.
And a linear motor main body (8) attached to the bottom of the transportation train (1), and a transportation train transfer section (18) provided in the traveling route of the transportation train (1). The secondary conductor rails (7, 17) on both the upper side and the lower side in the transfer section (18) are regions (20, 20a) in which the secondary conductor surfaces (7a, 17a) are lower than the transfer section ends. 2
1), and the length of each area (20, 21) is when the front wheels (3a-4b) of the transportation train (1) are just before they transfer to the lower guide rail and when the transportation train is The rear wheel (3a-4b) of (1) is characterized in that it has a length capable of covering the entire length of the linear motor main body (8) immediately after it is transferred to the lower guide rail.

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

In FIG. 1 and FIG. 2, 1 is a transportation train,
A pair of left and right guide rails laid along the travel route
A pair of left and right supporting wheels that roll on A, 2B and two pairs of front and rear supporting wheels
3a to 3b and 4a, 4b and one of the supporting wheels 3a to 4a that rolls on the guide rail 2A on one side are positioned by vertical shafts so as to sandwich the guide rail 2A from the left and right sides, respectively. The guide rollers 5 and 6 and the front and rear of the guide rails 2A and 2B face each other with a small gap between them and the upward facing secondary conductor surface 7a of the secondary conductor rail 7 that is laid along the traveling path. Between the wheels 3a and 4b, and a linear motor body 8 attached to the bottom of the transport train 1.

Reference numeral 9 denotes a power supply rail unit attached to the inner side surface of one guide rail 2A, which is a support wheel 3a for the transport train 1.
The current collecting unit 10 disposed at positions 4a to 4a slides to feed power to the linear motor body 8 and the like, and exchange control signals between the main controller on the ground side and the sub-controller on the side of the transportation train 1. Done.

The secondary conductor rail 7 is obtained by coating the surface of the upper flange portion 11a of the H-shaped steel rail body 11 with a non-magnetic conductive coating material 12 such as aluminum, and the surface of the non-magnetic conductive coating material 12 is It is the secondary conductor surface 7a.

In FIGS. 3 and 4, reference numeral 13 denotes a traverser for transferring the transport train 1 from the traveling route L1 to the traveling route L2, which laterally moves on the pair of left and right guide rails 14 via the wheel 15. A pair of left and right guide rails 16A, 16B connectable to the guide rails 2A, 2B and the secondary conductor rail 7 of each traveling route L1, L2 and the secondary conductor rail 17 are supported. The rails 16A, 16B, 17 on the traverser 13 have the same structure as the rails 2A, 2B, 7 on the floor.

Thus, the secondary conductors on the upper and lower sides of the transfer train transfer portions 18, 19 between the guide rails 16A, 16B on the traverser 13 and the guide rails 2A, 2B on the respective traveling routes L1, L2. The rails 7 and 17 have regions 20 and 21 in which the secondary conductor surfaces 7a and 17a of the rails 7 and 17 are lowered one step (regions shown by hatching in FIG. 3). The length of each of the areas 20 and 21 is such that the front wheels 3a to 3 of the transport train 1 are provided.
b or 4a, 4b is the lower guide rail 16A, 16B or 2A, 2B
Immediately before transferring to the train, and when the rear wheels 4a to 4b or 3a, 3b of the transport train 1 are on the lower guide rail 16
It is a length that can cover the entire length of the linear motor main body 8 immediately after moving to A, 16B or 2A, 2B.

In the linear motor driven transporting device configured as described above, by energizing and exciting the linear motor main body 8 facing the secondary conductor surface 7a of the secondary conductor rail 7 with a minute gap therebetween, As is well known, magnetic force between the linear motor main body 8 and the secondary conductor rail 7 causes a thrust in a predetermined direction on the transportation train 1 to cause the transportation train 1 to move along both guide rails 2A and 2B. Can be self-propelled.

Thus, the transport train 1 transfers onto the guide rails 16A and 16B on the traverser 13 waiting at the position connected to the travel route L1 from the guide rails 2A and 2B on the travel route L1, and the traverser 13 concerned. Is moved laterally to the position where it is connected to the travel route L2, and then the transport train 1 is moved backward to move the traverser 13
It is possible to transfer from the upper guide rails 16A, 16B onto the guide rails 2A, 2B of the travel route L2, but the support level of the traverser 13 is slightly higher than the predetermined level as shown in FIG. , Guide rails 16A, 16B on the traverser 13 rather than the guide rails 2A, 2B on the travel route L1, L2 side
Even if there are steps in the transfer train transfer sections 18 and 19 so that the transfer train 1 is slightly higher, the bottom surface of the linear motor main body 8 is at a high level during the transfer train 18 and 19 transfer process. Contact with the secondary conductor surface 17a of the secondary conductor rail 17 on the side traverser 13 is avoided because the secondary conductor surface 17a is lowered in the region 21.

On the contrary, since the support level of the traverser 13 is slightly lower than the predetermined level, the transport train is set so that the guide rails 2A, 2B on the travel routes L1, L2 side are slightly higher than the guide rails 16A, 16B on the traverser 13. Even when there is a step in the transfer portions 18 and 19, the bottom surface of the linear motor main body 8 is on the high-level side travel routes L1 and L2 in the process of transferring the transfer train 1 through the transfer portions 18 and 19. Contact with the secondary conductor surface 7a of the secondary conductor rail 7 is avoided because the secondary conductor surface 7a is lowered in the region 20.

(Operation and Effect of the Invention) As described above, according to the linear motor driven transfer device of the present invention, both the upper and lower secondary conductor rails (7, 17) in the transfer train transfer section (18) are transferred. ), The area (20, 21) in which the secondary conductor surface (7a, 17a) is lowered is provided, and the length of each area (20, 21) is set to the value of the transportation train (1). When the front wheels (3a-4b) are about to be transferred to the lower guide rail, and the transport train (1)
The rear wheels (3a-4b) of the linear motor main body (8) have a length that can cover the entire length of the linear motor main body (8) immediately after riding on the lower guide rail. Even if a step is formed so as to be higher, it is possible to avoid contact of the linear motor main body of the transfer train that moves from one side to another on the high level side of the secondary conductor rail in which the step is also generated.

Therefore, the gap between the secondary conductor surface of the secondary conductor rail and the main body of the linear motor during transfer is slightly wider,
Although the propulsion efficiency of the linear motor decreases, it is possible to efficiently propel the transportation train by making the gap sufficiently small in the traveling route other than the transfer section, and the linear motor body and the secondary conductor at the transfer section can be efficiently propelled. Damage due to contact with the rail can be avoided in advance.

Further, even if a slight step is generated in the transfer section, there is no substantial obstacle, so that it becomes easy to install the traverser, the turntable, etc. that constitute the transfer section.

[Brief description of drawings]

1 is a vertical front view, FIG. 2 is a plan view showing the arrangement of a linear motor body, wheels, etc., FIG. 3 is a schematic plan view showing the structure of a transfer section of a transportation train, and FIG. 4 is a vertical side view thereof. It is a figure. 1 …… Transport train, 2A, 2B, 14,16A, 16B …… Guide rails, 3a-4b …… Supporting wheels, 5,6 …… Positioning guide rollers, 7,17 …… Secondary conductor rails, 7a, 17a …… Secondary conductor surface, 8 …… Linear motor body, 11 …… Iron rail body, 12 …… Non-magnetic conductive coating material, 13 …… Traverser, 18,1
9 …… Transportation part for transfer train, 20,21 …… A region where the secondary conductor surface is lowered.

Claims (1)

[Scope of utility model registration request] 1. Wheels (3a-) before and after the transport train (1)
4b) pair of left and right guide rails (2A, 2B)
The secondary conductor rail (7) laid so that the secondary conductor surface (7a) faces upward, and the front and rear sides so as to face the secondary conductor surface (7a) of this secondary conductor rail with a gap. And a linear motor body (8) attached to the bottom of the transport train (1) between the wheels (3a to 4b) of the transport train (1).
Is a transfer device provided with a transfer train transfer section (18) on the traveling route of the transfer train, and the secondary conductor rails (7, 7) are provided on both the upper side and the lower side of the transfer train transfer section (18). 17) is the area (20, 2) where the secondary conductor surface (7a, 17a) is one step lower than the end of the transfer part.
1), and the length of each area (20, 21) is when the front wheels (3a-4b) of the transportation train (1) are just before they transfer to the lower guide rail and when the transportation train is A linear motor-driven transfer device having a length capable of covering the entire length of the linear motor main body (8) immediately after the rear wheels (3a to 4b) of (1) are transferred to the lower guide rail.