JP2606755B2 - Route switching device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION (Industrial Application Field) The present invention relates to a path switching device in which a path switching rail connectable to a fixed rail is erected on a movable base supported horizontally and horizontally on a fixed machine frame. Things.

(Prior Art and Problems Thereof) In this type of path switching device, the end of the path switching rail is supported by the movable base via a rail support bracket, and the end of the fixed rail is a rail. The brackets supporting the ends of the path switching rails and the brackets supporting the ends of the fixed rails should be close enough to be in contact with each other. Therefore, the ends of the rails supported by these brackets protrude from these brackets in an appropriate length in a cantilever manner.

In the above situation, if the transporting moving body guided and traveled by the rails is of a type that transports heavy objects in particular, there are two places before and after the transporting moving body. When one of the traveling wheels rides only on one of the end of the fixed rail and the end of the path switching rail, only the one rail end on which the wheel rides is bent downward and deformed to be in a connected state. An upper and lower step is generated between both ends of a certain rail.

If a vertical step occurs between the ends of the two rails in the connected state, a vertical displacement occurs between the power supply line and the control signal line laid on the side surfaces of the two rails. Even if the collector unit is too small, it will hinder transfer between the two rails of the collector unit that is in sliding contact with the power supply line or the control signal line, so that the collector unit cannot be arranged near the wheels. Was inconvenient.

Conventionally, for example, according to Japanese Utility Model Publication No. 61-45106, etc., a stopper pin and a drive actuator which can be extended and retracted in the rail length direction are arranged at one of the fixed rail end and the path switching rail end, and the other rail is provided. It is known that an end is provided with a member having a locking hole into which the stopper pin is fitted. However, this configuration prevents a vertical step from being generated between both rail ends in the connected state as described above. It is not a configuration for preventing, but for positioning the fixed rail and the path switching rail at the connection position, but if this configuration is temporarily increased by increasing the strength of the stopper pin and the member with the locking hole,
Even if it can be used as a means to prevent the occurrence of a vertical step between the ends of both rails in the connected state, it is possible to use a movable part that can move back and forth, such as a stopper pin, its slide guide, and a drive However, the need for an actuator and its control means makes the structure complicated and significantly increases the cost, which is not practical.

(Means for Solving the Problems) In order to solve the conventional problems as described above, the present invention is directed to a path switching device that can be connected to a fixed rail on a movable base supported horizontally and horizontally on a fixed machine frame. In the path switching device having a rail, the end of one of the path switching rails and the end of the fixed rail is located on one side of the rail end on which the rail support bracket is located and on the other side of the rail end. A mating member facing the horizontal rail is connected to the other rail end, and a mating member facing the mating member at the one rail end is connected to the other rail end at the side where the rail support bracket is provided. And a path switch configured such that when the movable platform moves sideways and the rail ends are connected to each other, the fitting members are fitted together to prevent relative vertical movement between the rail ends. A device is proposed.

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

In FIG. 1 and FIG. 2, reference numeral 1 denotes a transfer moving body for suspending an object to be transferred via a hanger or the like (not shown), and is provided via a front drive trolley 2 and a rear driven trolley 3. It is suspended so as to run on one guide rail 4. The guide rail 4 is formed by connecting and integrating an upper rail portion 5 and a lower rail portion 6 with a vertical plate portion 7.
A vertical bracket 7 is mounted on one side surface thereof via a supporting bracket 8 having a lower end attached thereto, and a power supply and control signal line 9 is laid on the other side surface of the vertical plate portion 7. The drive trolley 2 is provided with an upper rail portion 5 of the guide rail 4.
A driving device 10 for driving the vehicle, a motor 12 for driving the driving wheel 10 via a speed reducer 11, and a control device 13 for controlling the motor 12 and the like;
A collector unit 14 in sliding contact with the power supply line and the control signal line 9; and upper and lower rail portions 5, 6 of the guide rail 4.
The trolley 3 is composed of the guide rails 4 and the like.
Of the guide rail 4 and a vertical shaft roller 17 for steadying the upper and lower rails 5 and 6 of the guide rail 4 from both the left and right sides.

In FIG. 3 and FIG.
A path switching linear rail 21 and a path switching horizontal curve rail 22 are erected on a movable table 20 supported by a fixed machine frame 19 so as to be able to move horizontally and horizontally. The first fixed rail 4A to which the one end 21a of the straight rail 21 and the one end 22a of the horizontal curve rail 22 are alternately connected by movement, and the first fixed rail 4A when the straight rail 21 is connected to the first fixed rail 4A. A second fixed rail 4B connected to the other end 21b of the straight rail 21; and the other end of the horizontal curve rail 22 when the horizontal curve rail 22 is connected to the first fixed rail 4A.
This is a conventionally well-known device provided with a third fixed rail 4C connected to the 22b.

Reference numeral 23 denotes a slide guide rail laid on the fixed machine frame 19; 24, a slide guide block attached to the movable base 20 and fitted to the slide guide rail 23; and 25, for reciprocating the movable base 20. Cylinder units 26 and 27 interposed between fixed machine frame 19 and movable table 20
Is a stopper that limits the travel of the movable base 20, and is attached to the fixed machine frame 19. Further, both ends 21a and 21b of the straight rail 21 and both ends 22a and 22b of the horizontal curve rail 22 are supported via support brackets 28 and 29 mounted on the same side as the support bracket 8 shown in FIG. The ends 4Aa to 4Ca of the fixed rails 4A to 4C are suspended from the movable table 20,
It is suspended from the fixed machine frame 19 via supporting brackets 30 to 32 mounted on the same side as the supporting bracket 8 shown in FIG.

In the above-described path switching device 18, one end 21a of the linear rail 21 is located above the upper rail 5 and on the side where the support bracket 28 is located, as shown in FIGS. At a distance, the male fitting member 33 facing the first fixed rail end 4Aa horizontally and laterally is connected to two mounting plates for the side surface of the straight rail end portion 21a and the side surface of the support bracket 28. At the other end 21b of the linear rail 21, the bracket is provided just next to the vertical plate-like portion 7 and at the other end 21b of the straight rail 21 as shown in FIGS.
The male fitting member 35 facing horizontally and horizontally toward the second fixed rail end 4Ba on the side where the 28 is located is connected to the side of the other end 21b of the straight rail and the side of the support bracket 28 by two It is mounted via mounting plates 36a and 36b.

A fifth end is provided at one end 22a of the horizontal curve rail 22.
As shown in FIG. 6 and FIG. 6, the male fitting member 37 that is horizontally laterally opposed to the first fixed rail end 4Aa on the side where the supporting bracket 29 is located right beside the vertical plate-shaped portion 7.
Is attached to the side surface of the horizontal curve rail end 22a and the side surface of the support bracket 29 via two mounting plates 38a and 38b. The other end 22b of the horizontal curve rail 22 is shown in FIG. The third fixed rail end just beside the vertical plate 7 and on the side where the support bracket 29 is located
Female fitting member 39 facing horizontally and horizontally toward 4Ca
(See FIG. 8) is attached to the side surface of the other end 22b of the horizontal curve rail and the side surface of the support bracket 29 via two mounting plates 40a and 40b.

Further, as shown in FIGS. 5 and 6, when the straight rail 21 is connected to the first fixed rail end 4Aa, the end 4Aa of the first fixed rail 4A has the one end 21a of the straight rail. The first fitting portion 41 to which the male fitting member 33 fits is provided at the upper end, and when the horizontal curve rail 22 is connected to the first fixed rail 4A, the male fitting member of the horizontal curve rail end 22a. A female fitting member 43 having a second fitting portion 42 at the lower end with which the 37 is fitted is connected to two mounting plates 44a, 44b for the side surface of the first fixed rail end 4Aa and the side surface of the support bracket 30.
As shown in FIGS. 5 and 7, when the straight rail 21 is connected to the second fixed rail end 4Ba, the end 4Ba of the second fixed rail 4B is attached to the end of the second fixed rail 4B. Female fitting member 45 into which male fitting member 35 of end 21b fits
Are attached to the side surface of the second fixed rail end 4Ba and the side surface of the support bracket 31 via two mounting plates 46a and 46b, and the end 4Ca of the third fixed rail 4C is attached to the end shown in FIG. As shown in FIG. 8, when the other end 22b of the horizontal curve rail is connected to the end 4Ca of the third fixed rail, the female fitting member 39 of the other end 22b of the horizontal curve rail fits. The fitting member 47 is mounted on the side surface of the third fixed rail end 4Ca and the side surface of the support bracket 32 via two mounting plates 48a and 48b.

All the fitting members 33, 35, 37, 39, 43, 45, and 47 are wheels 10, 16 that move on the upper rail portion 5 and upper and lower rail portions.
Vertical shaft rollers 15, which roll against the sides of 5, 6
In the position deviated from the passage route of 17
It does not hinder the running of the car.

1 and 2 operates the motor 12 of the drive trolley 2 in accordance with the power and control signals supplied from the power supply line and the control signal line 9 via the collector unit 14, and The wheels 10 can be self-propelled along the guide rails 4 by rotating and driving. When the transporting moving body 1 travels from the first fixed rail 4A to the second fixed rail 4B in FIG. Moves the movable table 20 of the path switching device 18 forward by the cylinder unit 25 to the stroke limit where the movable table 20 contacts the stopper 27. As a result, the straight rail 21 reaches the position where the first fixed rail 4A and the second fixed rail 4B are connected. At this time, the male fitting member 33 of the one end 21a of the straight rail shown in FIG. The first fitting portion 41 at the upper end of the female fitting member 43 of the rail end 4Aa is horizontally and horizontally fitted inside the first fitting portion 41, and the male fitting member 35 of the other end 21b of the straight rail shown in FIG. The second fixed rail end 4Ba is internally fitted horizontally and horizontally to the female fitting member 45 of the second fixed rail end 4Ba. As a result, the one end 21a of the straight rail and the first fixed rail end 4Aa and the other end 21b of the straight rail and the second fixed rail end 4Ba are connected so as not to be able to move up and down relatively. Second fixed rail from the first fixed rail 4A
4B when traveling, that is, the driving wheel 10 and the idle wheel 16
When moving from the first fixed rail end 4Aa onto the straight rail end 21a, or from the straight rail other end 21b onto the second fixed rail end 4Ba, a straight line with the first fixed rail end 4Aa Between the rail end 21a, or between the straight rail other end 21b and the second fixed rail end 4Ba, only one of the rail ends is bent downward by the load to cause a vertical step. Disappears.

Further, when the transfer moving body 1 is caused to travel from the first fixed rail 4A to the third fixed rail 4C, the movable table 20 of the path switching device 18 is moved by the cylinder unit 25 as shown in FIGS. The stopper 26 is moved backward until it reaches the process limit. As a result, the horizontal curve rail 22 reaches the position where the first fixed rail 4A and the third fixed rail 4C are connected. At this time, the horizontal curve rail end 22a shown in FIG.
The male fitting member 37 is horizontally and horizontally fitted into the second fitting portion 42 at the lower end of the female fitting member 43 of the first fixed rail end 4Aa, and the linear rail shown in FIG. The female fitting member 39 at the end 21b is the male fitting member 47 at the third fixed rail end 4Ca.
Will be fitted horizontally and horizontally. As a result, the horizontal curve rail end 22a and the first fixed rail end 4Aa and the horizontal curve rail other end 22b and the third fixed rail end 4Ca are connected in a state in which they cannot relatively move up and down. 1
When the vehicle travels from the first fixed rail 4A to the third fixed rail 4C, that is, when the drive wheel 10 or the idle wheel 16 transfers from the first fixed rail end 4Aa to the horizontal curve rail end 22a, When moving from the horizontal curve rail other end 22b to the third fixed rail end 4Ca, between the first fixed rail end 4Aa and the horizontal curve rail one end 22a, or the horizontal curve rail other end 22b and the third fixed. A situation in which only one of these rail ends bends downward due to the load between the rail ends 4Ca to generate a vertical step is eliminated.

In the present invention, one straight rail is erected on the movable base,
By the reciprocating movement of the movable table, the linear rail is configured to be switched to a first position connecting the first fixed rail and the second fixed rail and a second position connected only to the third fixed rail, When the transfer moving body is transferred from the first fixed rail to the third fixed rail, the transfer moving body is temporarily stopped while the transfer moving body is transferred on the straight rail, and the straight rail is moved to the second fixed rail. The present invention can also be applied to a path switching device in which the transporting moving body is started to travel after being traversed to the position.

(Operation and Effect of the Invention) As described above, according to the route switching device of the present invention, when the movable base is moved sideways to connect the fixed rail to the route switching rail provided on the movable base, The fitting member at one end of the rail and the fitting member at the other end of the rail fit each other so as to prevent relative vertical movement between the two rail ends. As described above, when the transfer moving body travels from one of the fixed rail and the path switching rail to the other, that is, the wheels of the transfer moving body move from one of the fixed rail end and the path switching rail end to the other. Sometimes, only one of the rail ends bends downward due to the load between the two rail ends, so that a vertical step does not occur.

Therefore, even if a power supply line or a control signal line is laid on the fixed rail side surface or the route switching rail side surface, there is no possibility that the power supply line or the control signal line is vertically displaced between the two rails, Even if a collector unit that is in sliding contact with the power supply line or the control signal line is arranged near the wheel, the transfer of the collector unit between the two rails can be smoothly performed smoothly.

In addition, since no moving parts or driving actuators are required, the structure is extremely simple and can be implemented at very low cost.

[Brief description of the drawings]

FIG. 1 is a side view showing a transfer movable body and a guide rail,
FIG. 2 is a longitudinal front view of the same, FIG. 3 is a plan view of the route switching device, FIG. 4 is a longitudinal side view of the same, FIG. 5 is a cross-sectional plan view showing a main part of the route switching device, FIGS. FIG. 8 is a vertical sectional front view showing each fitting member and its mounting portion. DESCRIPTION OF SYMBOLS 1 ... Transfer moving body, 2 ... Driving trolley, 3 ... Driving trolley, 4 ... Guide rail, 4A-4C ... First-third fixed rail, 4Aa-4Ca ... Fixed rail end, 8 , 28-32 ...
... Brackets for rail support, 9 ... Power supply lines and control signal lines, 10 ... Drive wheels, 15,17 ... Vertical shaft rollers for anti-sway, 16 ... Rotating wheels, 18 ... Route switching device, 19 ... … Fixed machine frame, 20… Movable table, 21 …… Route rail for path switching,
21a, 21b: straight rail end, 22: horizontal curve rail for path switching, 22a, 22b: horizontal curve rail end, 25 ...
… Cylinder unit, 26,27 …… Stopper, 33,35,3
7,47 …… Male fitting member, 39,43,45 …… Female fitting member, 4
1,42 ... First and second fitting portions.

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-124986 (JP, U) JP-A 43-13065 (JP, Y1) JP-A 61-41743 (JP, Y2) JP-A 57- 29387 (JP, B2)

Claims (2)

(57) [Claims] 1. A path switching device having a movable table supported on a stationary machine frame so as to be capable of horizontal and horizontal movement and having a path switching rail connectable to a fixed rail, fixed to an end of the path switching rail. Of the rail ends, a fitting member that is horizontally and horizontally opposed to one rail end on the side where the rail support bracket is located is provided on the other rail end side, and the rail on the other rail end is provided. On one side of the support bracket, a fitting member facing the fitting member on the one rail end side is continuously provided,
A path switching device configured such that when the movable platform moves laterally and the rail ends are connected to each other, the fitting members are fitted together to prevent relative vertical movement between the rail ends. 2. The path switching device according to claim 1, wherein each of said fitting members is connected to both a rail support bracket and said rail end.