JP3242384B2 - Guide rail switching type bogie type transfer equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bogie type transport facility for transporting a freight carrier along a traveling rail provided on a floor.

[0002]

2. Description of the Related Art In a transportation facility such as a baggage transportation facility at an airport, which requires a single cargo to be quickly transported to various destinations, a track-type track capable of traveling at high speed. In many cases, a transport cart is used. As such a trolley-type transfer facility, there is a floor-standing type in which the trolley travels along a travel rail provided on a floor. In this case, the traverse rails are branched and joined to switch the course of the transport trolley. Need to be done.

[0003] As a method of switching the course of a carrier truck in a truck-type carrier facility using a linear motor as a drive source, a stator of a linear motor is arranged along a traveling rail of a main line and a traveling rail of a branch line branched from the main line. When the path of the transport vehicle is switched from the main line to the branch line, by controlling the magnetic field generated from the stator at the branch portion, a rotational moment is generated in the horizontal plane on the leading side of the transport vehicle, and the branch line (Japanese Patent Application Laid-Open No.
-250407).

[0004] However, in the truck type transport equipment having such a configuration, when the traveling speed of the transport truck becomes high, it is not easy to reliably switch the course of the transport truck at the branch portion, and the reliability is lacking.

[0005] In addition, a partial rail connectable to a branch line and a partial rail connectable to a main line are provided on a slide frame at a branch portion, and the slide rail is switched in a horizontal direction to move the partial rail. It is also known to connect a main line to a branch line or disconnect a branch line from the main line via a main line so as to switch the route of a transport vehicle (Japanese Patent Application Laid-Open No. 9-323644).

However, in the bogie type transport equipment having such a configuration, the operation time for switching and moving the slide frame in the horizontal direction becomes long, so that the cycle time of the system is extended, and the cargo cannot be transported quickly.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a bogie-type transfer facility that can smoothly and surely switch the course of a transfer truck even under high-speed running.

[0008]

According to a first aspect of the present invention, there is provided a truck-type transport facility for transporting a transport truck for transporting cargo along a traveling rail provided on a floor. And a main guide rail is provided along both sides of the traveling rail, and a pair of right and left pairs that contact the inner side surface and the outer side surface of the two main guide rails are provided at a front portion of the transfer vehicle. A pair of right and left rear inner guides, in which the front inner and front outer guides are in contact with the inner side surfaces of the two main guide rails at the rear, are attached, respectively.
An auxiliary guide rail located on one side of the travel rail is disposed at a branch or a junction of the main rail and the branch line in the travel rail, and a movable switching part is formed on the main guide rail and a part of the auxiliary guide rail. A drive mechanism for switching and moving the switching unit to a first position corresponding to the straight traveling of the main line and a second position connecting the branch line to the main line in accordance with the path of the transport vehicle; The bogie has a front inner and outer guide body and a rear inner guide.
A pair of left and right auxiliary guide bodies are provided at a substantially intermediate portion of the body and in contact with the outer side surface of the auxiliary guide rail to guide the carrier along the main guide rail.

According to the truck type transport equipment, when the transport truck reaches, for example, a branch portion of the traveling rail, the drive mechanism switches the switching unit in accordance with the path of the transport truck, thereby moving the transport truck. A course is selected. That is, when the course is to be switched to the branch line side, the switching portion provided in the middle of the main guide rail along the traveling rail of the straight main line is set at the second position deviating from the straight main line. At the same time, the switching section provided in the middle of the main guide rail and the auxiliary guide rail along the traveling rail branched from the main line is set at a second position connecting the branch line to the main line. As a result, the auxiliary guide body comes into contact with the outer surface of the auxiliary guide rail along the traveling rail of the branch line, and the auxiliary guide body is guided by the auxiliary guide rail. Can be switched. In this way, it is possible to smoothly and reliably switch the course of the transport vehicle even under high-speed traveling.

[0010] According to a second aspect of the present invention, in the cart-type transfer facility according to the first aspect, the switching portion of the main guide rail and the auxiliary guide rail is set to be rotatable around a hinge portion at one end. Have been. According to this configuration, since the switching movement of the switching unit is performed by a simple rotation, the moving mechanism is simplified.

[0011] According to a third aspect of the present invention, in the cart type transporting apparatus, the switching portions of the main guide rail and the auxiliary guide rail are connected to each other to form a single drive mechanism. Driven by According to this configuration, the switching section of the main guide rail and the auxiliary guide rail can be simultaneously switched by a single drive mechanism, so that the configuration is simplified.

[0012] According to a fourth aspect of the present invention, in the cart-type transfer facility according to any one of the first to third aspects, the auxiliary guide member is provided between the front inner and outer guide members and the rear inner guide member. It is arranged behind the middle position in the front-rear direction of both. According to this configuration, the distance between the position where the auxiliary guide body contacts the auxiliary guide rail and the position where the main guide rail is sandwiched between the front inner guide body and the front outer guide body is increased, so that the carrier can be guided more stably. can do.

According to a fifth aspect of the present invention, there is provided a bogie-type transport facility according to any one of the first to fourth aspects, wherein each of the guide bodies comprises a roller which rotates freely. According to this configuration, the sliding friction between the main guide rail, the auxiliary guide rail, the switching unit, and each guide body can be reduced, so that
The guide of the transport vehicle by the guide rail and the switching unit is smooth.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. The truck type transport equipment according to one embodiment of the present invention is to make a transport truck 1 for transporting cargo shown in a perspective view in FIG. 1 travel along a transport route 2 shown in FIG. Is provided with two traveling rails 3 and 3 on which the carrier 1 is mounted and travels. In the branching / merging portion 2a of the transport path 2, the traveling rails 3B, 3B of the branch line are branched from the traveling rails 3A, 3A of the main line. The running rail 3 is, as shown in FIG.
On both sides of the transport path 2, it is supported on a rail support member 42 laid between columns 41, 41 protruding from the floor G.

On the outside of the running rail 3 shown in FIG. 2, main guide rails 4 are provided along the running rail 3, respectively. That is, except for the branch / merge portion 2a, the guide rails 4A, 4A are provided on both sides of the main rails 3A, 3A, and the main guide rails 4B, 4B are provided on both sides of the branch rails 3B, 3B. ing. In the branching / merging portion 2a of the transport path 2, the main rail 3 on the side where the travel rail 3B crossing the transport path 2 branches (upper side in FIG. 2) out of both travel rails 3B of the branch line.
The main guide rail 4A extends as it is outside A,
Of the two traveling rails 3B of the branch line, from the outside of the main line traveling rail 3A on the side where the traveling rail 3B that does not cross the transport path 2 branches (the lower side in FIG. 2) to the outside of the traveling rail 3B of the branch line. The main guide rail 4B extends. These main guide rails 4A and 4B are made of an angle material having an L-shaped cross section, and are installed such that the horizontal pieces project from the lower ends of the vertical pieces to the outside of the transport path 2 (see FIG. 9). ).

At the intermediate position in the width direction of the transfer path 2, a stator 5 of a linear motor, which is a driving source of the transfer carriage 1, is mounted.
Are laid at predetermined intervals. This stator 5
Is mounted on a frame 43 supported on the rail support member 42.

Among the two traveling rails 3A, 3A of the main line, a main guide rail 4A along the outside of the traveling rail 3A on the side where the traveling rail 3B of the branch line branches across the transport path 2 (the upper side in FIG. 2) is provided. The hinge part 4a _{1 at} one end is provided at a part of the branch line at a position before the branch position of the traveling rail 3B.
A switching portion 4a is formed so as to be horizontally rotatable around the center.

FIGS. 6A and 6B are a plan view and a front view of the switching section 4a. A roller 28 is provided on the lower surface of the leading end of the switching unit 4a, and the switching unit 4a is placed on a support member 29 extending horizontally from the traveling rail 3A to the outside of the transport path 2 as shown in FIG. Is movably supported via the roller 28.

The main guide rail 4B along the outside of the branch line traveling rail 3B in FIG. 2 also includes a part at the position where the branch line traveling rail 3B starts branching from the main line traveling rail 3A, and one end part. switching unit 4b were freely horizontally rotated about the hinge portion 4b ₁ is formed.

Further, of the two traveling rails 3A of the main line,
Outside the traveling rail 3A on the side (upper side in FIG. 2) where the traveling rail 3B of the branch line crosses the transport path 2, a hinge portion 4a ₁ of the switching portion 4a of the main guide rail 4A is provided.
, An auxiliary guide rail 6 </ b> A having a predetermined length is provided in the traveling direction F of the transport vehicle 1. The auxiliary guide rail 6A is also made of an angle material having an L-shaped cross section.
11 is installed so as to be in a posture protruding outside of FIG.
reference).

One end of the outside of the traveling rail 3B of the branch line that branches off from the traveling rail 3A of the main line without crossing the transport path 2 has a predetermined end in a traveling direction F from a position outside the traveling rail 3A of the main line. And an auxiliary guide rail 6B having the same structure as the auxiliary guide rail 6A described above. A switching portion 6b is formed in a part of the auxiliary guide rail 6B which starts from a position outside the main rail 3A, and is horizontally rotatable around a hinge 6b1 at _one end.

FIGS. 8A and 8B are a plan view and a front view of the switching section 6b. A roller 31 is provided at the tip of the switching portion 6b via a mounting member 30 projecting from the upper surface thereof, and a support member extending horizontally toward the outside of the transport path 2 as shown in FIG. 32, the switching unit 6
The leading end of b is movably supported via the roller 31.

As shown in FIG. 1, a pair of left and right wheels 7 mounted on the left and right traveling rails 3 are rotatably mounted on the front and rear of the lower portion of the frame 19 of the carrier 1 as shown in FIG. At the front of the frame 19, a pair of left and right front inner guide bodies 8 and front outer guide bodies 9 that contact the inner and outer surfaces of the main guide rails 4 are attached to the mounting member 22.
Attached through. A pair of left and right rear inner guides 10 that are in contact with the inner side surfaces of the two main guide rails 4 are attached to the rear portion of the frame 19 via attachment members 23. Furthermore, a substantially middle portion of the frame 19 in the front-rear direction , that is, the front inner guide body 8 and
At a substantially intermediate portion between the outer guide body 9 and the rear inner guide body 10, a pair of left and right auxiliary guide bodies 11 that come into contact with the outer side surfaces of the auxiliary guide rails 6A and 6B are provided via a mounting member 24. Attached.

As shown in FIG. 3, the auxiliary guide body 11 includes a front inner guide body 8 and a front outer guide body 9,
It is arranged between the rear inner guide bodies 10 behind the middle position in the front-rear direction of both. That is, the front guide body 8,
The distance L1 between the front guides 8, 9 and the auxiliary guide 11 in the front-rear direction L with respect to the distance L between the front guide 9 and the rear guide 10 has a relationship of L1> L / 2. Each of these guide bodies 8, 9, 10, 11 is composed of a free roller that freely rotates around a vertical axis.

The switching portions 4a, 4b, 6b of the main guide rails 4A, 4B and the auxiliary guide rail 6B shown in FIG.
The single drive mechanism 12 switches and moves between the first position and the second position corresponding to the path of the transport vehicle 1. That is, the switching section 4 of the main guide rails 4A, 4B
As shown in the sectional view of FIG. 10, a and 4b are connecting rods 15 traversing below the transport path 2 for connecting the respective support shafts 13 and 14 fixed to both switching portions 4a and 4b and extending downward. Are interconnected. As shown in the sectional view of FIG. 11, a support member 16 that supports the intermediate portion of the switching portion 4b of the main guide rail 4B and a support member 17 that supports the intermediate portion of the switching portion 6b of the auxiliary guide rail 6B. Are connected to a common connecting member 18. Thus, the switching portions 4a, 4b, 6b are mutually connected by a link mechanism including the support shafts 13, 14, support members 16, 17 and connection member 18.

Further, a pin 21 is attached to an advancing / retracting rod 20 of a cylinder 19 installed in a horizontal posture in the width direction of the transport path 2.
The connecting member 18 is connected via the. The cylinder 19 is supported by a support member 33 via a mount 34 so as to be swingable in a horizontal plane. Thus, the switching portions 4a, 4b,
6b is switched between the first position and the second position. As described above, the single drive mechanism 12 allows the switching portions 4a, 4b, 6b of the main guide rails 4A, 4B and the auxiliary guide rail 6B to be simultaneously switched and moved, thereby simplifying the configuration.

Switching section 4 of main guide rail 4A shown in FIG.
In a, as shown by a two-dot chain line, the rotation position connecting the main guide rail 4A in a posture extending along the traveling rail 3A is:
A first position corresponding to the main straight of the conveyance carriage 1, as shown by the solid line, rotational position about the hinge portion 4a ₁ to divide the rotation and main guide rail 4A is branched conveyance carriage 1 This is the second position corresponding to the course switching to the line.

Further, the switching unit 4b of the main guide rail 4B, as indicated by the two-dot chain line, and pivots about the hinge portion 4b ₁ is rotated positions to divide the main guide rail 4B, the conveyance carriage 1 This is the first position corresponding to the main line going straight, and as shown by the solid line, the turning position connecting the main guide rail 4B in a posture extending along the traveling rail 4B corresponds to the switching of the path of the transport vehicle 1 to the branch line. The second position.

Further, the switching portion 6 of the auxiliary guide rail 6B
In b, as shown by the dashed line, the turning position away from the position along the traveling rails 3A, 3B is the first position corresponding to the straight traveling of the transport vehicle 1 on the main line, and as shown by the solid line,
The turning position along the traveling rails 3A and 3B is a second position corresponding to the switching of the path of the carrier 1 to the branch line.

As shown in FIG. 3, on the front and rear surfaces of the frame 19 of the carrier 1 are mounted bumpers 44 for mild surgery which project forward and backward. As shown in FIG. 4, a reaction plate, which is a secondary conductor of the linear motor that responds to a magnetic field generated from the stator 5 (FIG. 2) of the linear motor laid on the transport path 2, is provided on the lower surface of the frame 19. 45 are provided.

Although not shown, on the carrier 1
A tray for directly loading cargo (for example, one piece of baggage at an airport) is provided, and when traveling along the transport path 2 and reaching a designated destination, the tray is tilted toward the side of the transport path 2 by a drive mechanism (not shown). The cargo is discharged from the tray. In FIG.
Is a member for supporting the tray.

Further, on the lower surface of the transport vehicle 1, a destination of the transport vehicle 1 and a branching / merging portion 2 a selected in the middle of a route.
The ID card (not shown) in which the data is written is attached. Further, a reader (not shown) for reading data written on the ID card is provided in front of the branching / merging portion 2a of the floor of the transport path 2 in FIG. 2, and the drive is performed according to the data read by the reader. The mechanism 12 is selectively driven. Note that a barcode can be used instead of the ID card.

Next, the operation of the above embodiment will be described. The wheels 7 on the two traveling rails 3 of the transport path 2 in FIG.
Transporting vehicle 1 mounted so as to be able to travel through the transport path 2
To the magnetic field generated from the stator 5 of the linear motor laid on the carriage 1, the reaction plate 45 on the side of the carrier 1 (FIG. 5).
Acts on the transport path 2.

When the transport vehicle 1 travels in the F direction along the main line of the transport path 2 from the right side of the same figure toward the branching / merging portion 2a, a pair of left and right front inner guides of the transport vehicle 1 shown in FIG. The body 8 and the front outer guide body 9 are in contact with the inner side surface and the outer side surface of the corresponding main guide rails 4A, 4A on the left and right sides of the transport path 2, respectively. The body 10 has a corresponding main guide rail 4A,
4A, the two main guide rails 4
A, 4A guides the carrier 1 forward F.

When the transport vehicle 1 approaches the branch / merge portion 2a of the transport path 2 shown in FIG. 2, a reader (not shown) provided on the floor side of the transport path 2 (the floor and members fixed to the floor). Reads data written on an ID card (not shown) provided on the lower surface of the transport trolley 1, and the drive mechanism 12 selectively operates according to the read data.

That is, the read data is transmitted to the next branch
When the merging section 2a instructs the vehicle to go straight on the main line without switching the course of the transport carriage 1, the cylinder 19 of the drive mechanism 12 does not advance. At this time, FIG.
As shown in (A), the switching portion 4a of the main guide rail 4A along the main line is set at a first position where the main line guide rail 4A is connected. Further, the switching section 4b of the main guide rail 4B and the switching section 6b of the auxiliary guide rail 6B along the branch line are set at the first position where the switching section 4b is separated outward from the main guide rail 4B.

When the carriage 1 advances in this state, first, the front inner guide body 8 and the front outer guide body 9 on the left side in the traveling direction F of the carriage 1 come off the corresponding main guide rails 4A. At this time, the left rear inner guide body 10 is in contact with the inner surface of the corresponding main guide rail 4A, and the right front inner guide body 8, front outer guide body 9, and rear inner guide body 10 correspond. Is in contact with the inner and outer surfaces of the main guide rail 4A,
Guides by both main guide rails 4A, 4A follow.

Immediately before the left rear inner guide body 10 reaches the end of the corresponding main guide rail 4A, the right auxiliary guide body 11 starts to contact the outer surface of the corresponding auxiliary guide rail 6A. Thereby, even if the rear inner guide body 10 on the left side subsequently moves to a position where it comes off from the corresponding main guide rail 4A, on the right side of the transport vehicle 1,
The front inner guide body 8 and the front outer guide body 9 sandwich the corresponding inner and outer surfaces of the main guide rail 4A. In the middle part on the right side, the auxiliary guide body 11 contacts the outer surface of the corresponding auxiliary guide rail 6A. At the rear, the rear inner guide body 10 is in contact with the inner side surface of the corresponding main guide rail 4A, and is guided by the right main guide rail 4A and the auxiliary guide rail 6A, and the carriage 1 is moved as shown in FIG.
As shown in (B), go straight on the main line.

As described with reference to FIG. 3, the auxiliary guide body 11 is provided between the front inner guide body 8 and the front outer guide body 9 and the rear inner guide body 10 behind the intermediate position in the front-rear direction. Since they are arranged, the guide rails 4 </ b> A, 6 are formed by the rear inner guide body 10 and the auxiliary guide body 11.
Since the position sandwiching A is a position sufficiently behind the position sandwiching the guide rail 4A between the front inner guide body 8 and the front outer guide body 9, the carrier 1 can be guided more stably.

On the other hand, when the read data indicates that the path of the carriage 1 is to be switched from the main line to the branch line at the branch / merge portion 2a in FIG. 20 is driven forward. At this time,
As shown in FIG. 13A, the switching section 4a of the main guide rail 4A along the main line pivots to a second position where the main guide rail 4A is cut off. Further, the switching portion 4b of the main guide rail 4B and the switching portion 6b of the auxiliary guide rail 6B along the branch line are respectively pivotally moved to the second position where they are connected to and close to the main guide rail 4A on the main line side. .

When the transport vehicle 1 advances in this state, first, the right front inner guide member 8 and the front outer guide member 9 on the right side in the traveling direction F of the transport vehicle 1 are disengaged from the main guide rail 4A. At this time, the right rear inner guide body 1
0 is in contact with the inner side surface of the corresponding main guide rail 4A, and the left front inner guide body 8 and the front outer guide body 9
And the rear inner guide body 10 is in contact with the inner side surface and the outer side surface of the corresponding main guide rail 4A, and the guide by the two main guide rails 4A continues.

As shown in FIG. 13 (A), immediately before the right rear inner guide body 10 reaches the end where the corresponding main guide rail 4A is interrupted, the left auxiliary guide body 11 has the corresponding auxiliary guide rail 6B. Start to contact the outside surface. As a result, even if the right rear inner guide body 10 moves away from the corresponding main guide rail 4A, the front inner guide body 8 and the front outer guide body 9 correspond on the left side of the carrier 1 after this. The inner and outer surfaces of the main guide rail 4B are sandwiched, and the auxiliary guide body 11 contacts the outer surface of the corresponding auxiliary guide rail 6B at the middle part on the left side, and the main guide rail 4B corresponding to the rear inner guide body 10 at the rear part on the left side. 13B, the carrier 1 is guided by the left main guide rail 4B and the auxiliary guide rail 6B, and switches the course from the main line to the branch line as shown in FIG. 13B. Can be.

Immediately before the left auxiliary guide body 11 is disengaged from the auxiliary guide rail 6B, the transport vehicle 1 further along the branch line is provided on the inner surface of the right main guide rail 4B shown in FIG. Body 10 begins to contact. Thereafter, as in the case of the straight line described above, the pair of left and right front inner guides 8 and 9 and the pair of right and left rear inner guides 10 contact the left and right main guide rails 4B. The carrier 1 travels on the branch line while being guided by.

In the embodiment, in FIG.
The case where the main line goes straight from the right side to the left side and the case where the course is switched from the main line to the branch line have been described, but even when the main line goes straight from the left side to the right side or when the branch line joins the main line, The same operation as the above operation can be performed.

In this manner, when the course of the transport vehicle 1 is switched from the main line of the transport path 2 to the branch line, or when the transport vehicle 1 joins the main line from the branch line, even if the traveling speed of the transport vehicle 1 is high, The course can be switched smoothly and reliably.

[0046]

As described above, according to the truck type transport equipment of the present invention, a pair of left and right front inner and front portions contacting the inner and outer surfaces of the two main guide rails at the front of the transport truck. A pair of right and left rear inner guides, each of which has an outer guide body and a rear part that contacts the inner side surfaces of the two main guide rails, are respectively attached to a branch or a junction of a main line and a branch line in the traveling rail, An auxiliary guide rail located on one side of the travel rail is arranged, a movable switching part is formed on a part of the main guide rail and the auxiliary guide rail, and the switching part is provided in accordance with a path of the transport vehicle.
A first position corresponding to the main straight, the second switched position moved to the drive mechanism is provided to connect the branch line to the main line, the transport carriage, the front inner and outer guide body
A pair of left and right auxiliary guides that guide the transport trolley along the main guide rail by being in contact with the outer surface of the auxiliary guide rail at a substantially intermediate portion between the rear guide inner body and the rear inner guide body are mounted. Therefore, it is possible to smoothly and reliably switch the course of the transport vehicle.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a transport trolley in a trolley-type transport facility according to an embodiment of the present invention.

FIG. 2 is a plan view showing a part of a transport path in the bogie type transport facility.

FIG. 3 is a plan view of a transport vehicle in the transport device.

FIG. 4 is a side view of the transport vehicle.

FIG. 5 is a front view of the transport vehicle.

FIG. 6 (A) is a plan view of a switching section of a main guide rail in the bogie type transport equipment, and FIG. 6 (B) is a front view of the switching section with a part thereof cut away.

FIG. 7 is a cross-sectional view illustrating a part of a transport path including the switching unit.

FIG. 8A is a plan view of a switching section of an auxiliary guide rail in the bogie type transport equipment, and FIG. 8B is a front view showing a part of the switching section in a cutaway manner.

FIG. 9 is a cross-sectional view showing a part of a transport path including the switching unit.

FIG. 10 is a cross-sectional view showing a connection structure of a switching unit in the bogie type transport equipment.

FIG. 11 is a front view showing a drive mechanism for switching the switching unit.

FIG. 12 is an explanatory diagram of a main-car straight-line operation of the carrier in the carrier-type carrier.

FIG. 13 is an explanatory diagram of a traveling operation of the transport vehicle to a branch line in the transport device.

[Explanation of symbols]

1 ... Conveyor truck, 2a ... Branch / merging section, 3,3A, 3B ...
Running rail, 4, 4A, 4B ... main guide rail, 6A,
6B: auxiliary guide rail, 4a, 4b, 6b: switching unit
4a ₁ , 4b ₁ , 6b ₁ ... hinge part, 8 ... front inner guide body, 9 ... front outer guide body, 10 ... rear inner guide body, 11 ... auxiliary guide body, 12 ... drive mechanism

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 54-64896 (JP, U) Japanese Utility Model Sho 55-119251 (JP, U) Japanese Utility Model Sho 56-102267 (JP, U) (58) Field (Int. Cl. ⁷ , DB name) B61B 13/00

Claims (5)

(57) [Claims] 1. A trolley-type transport facility for transporting a transport trolley for transporting cargo along a travel rail provided on a floor, wherein a main guide rail is provided along both sides of the travel rail. A pair of left and right front inner and front outer guides contacting the inner and outer surfaces of the two main guide rails at the front, and a pair of right and left fronts contacting the inner surfaces of the two main guide rails at the rear. A rear inner guide body is attached, and an auxiliary guide rail located on one side of the travel rail is disposed at a branch or a junction of the main line and the branch line in the travel rail. The main guide rail and the auxiliary guide rail A movable switching part is formed in a part of the vehicle. A second position connecting the switching part to a first position corresponding to the main line going straight and a branch line to the main line corresponding to the path of the transport vehicle.
Driving mechanism for moving switched to the position is provided on the conveyance carriage, and after the front inner and outer guide body
A trolley-type transfer facility having a pair of left and right auxiliary guides attached to the outer guide of the auxiliary guide rail so as to guide the transfer trolley along the main guide rail at a substantially intermediate portion with the inner guide . 2. The bogie type transport equipment according to claim 1, wherein the switching section between the main guide rail and the auxiliary guide rail is set to be rotatable around a hinge at one end. 3. The bogie type transport equipment according to claim 1, wherein the switching units of the main guide rail and the auxiliary guide rail are connected to each other and driven by a single drive mechanism. 4. The auxiliary guide body according to claim 1, wherein the auxiliary guide body is disposed between the front inner and outer guide bodies and the rear inner guide body and rearward of an intermediate position in the front-rear direction between the two. Dolly type transfer equipment. 5. The cart-type transport facility according to claim 1, wherein each of the guide bodies is a roller that freely rotates.