JPH0747386B2 - Transport equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a single drive equipped with a plurality of transport carriages for transporting processed foods or other articles arranged in series and equipped with a drive unit for traveling. The present invention relates to a transportation facility that allows a transportation vehicle at an arbitrary position to travel a desired distance by a vehicle.

[Conventional technology]

Conventionally, (1) as a transfer facility for sequentially traveling a large number of transfer carriages arranged in series, as disclosed in Japanese Patent Application Laid-Open No. 2-110023, a long plate-shaped support base extending in the front-rear direction. The traveling rail is fixed on, a large number of carrier vehicles are placed on the rail, and a large number of primary coils are fixed on the left and right sides of the support table at intervals in the front-rear direction,
There is known a transportation facility in which a secondary conductor is fixed to the lower portions on the left and right sides of each transportation vehicle, and a linear motor is configured by the primary coil and the secondary conductor.

(2) As disclosed in JP-A-63-287662, the lot end of the cylinder in the towing vehicle is used as a locking portion, and the locking portion is engaged between the respective engaging portions of the truck. hand,
It is also known that the truck is moved by a towing vehicle.

[Problems to be Solved by the Invention]

In the case of the conventional transfer facility of (1) above, since the linear motor system is adopted, there is a problem that the facility cost becomes extremely high.

Further, in the conventional case of (2), there is a problem that the truck cannot be reliably stopped when the engagement between the truck and the towing vehicle is released.

An object of the present invention is to provide a transportation facility that can advantageously solve the above-mentioned problems.

[Means for Solving the Problems]

In order to achieve the above object, in the transport facility of the present invention, a large number of wheels 3 of a transport carriage 2 are mounted on an upper rail 1 extending in the front-rear direction, and an upper engaging member is attached to a vehicle body 4 of the transport carriage 2. Wheels 7 of a drive carriage 6 to which 5 is attached and which travels in the front-rear direction under the transport carriage 2 are mounted on a lower rail 8 extending in the front-rear direction.
Includes a lower engaging member 10 that is moved up and down by an elevating drive device 9 and a traveling drive device 11.
An engaging portion 12 fitted to the upper engaging member 5 is provided on an upper part of the upper supporting base 13 for supporting the upper rail 1,
A large number of stoppers 14 are fixed at intervals in the front-rear direction,
A locking member 15 fitted to the stopper 14 and an operation lever 16 are attached to the vehicle body 4 of the transport carriage 2, and a lower engaging member 10 provided on the drive carriage 6 is operated to rotate the operation lever. An arm 17 is provided, and the stopper 14 and the operating lever 16 are connected to each other via an interlocking mechanism that disengages the locking member 15 from the stopper 14 when the operating lever 16 is rotated by the operating arm 17.

〔Example〕

 The present invention will now be described in detail with reference to the illustrated example.

The drawing shows an embodiment of the present invention, in which two upper rails 1 arranged at intervals in the left-right direction and extending in the front-rear direction are fixed to the upper surface of an upper support base 13 by welding. The upper support base 113 is mounted on the upper surface of the support beam 18 extending in the front-rear direction and fixed by bolts, and the upper ends of a number of columns 19 are fixed by bolts to the lower part of the support beam 18, and the lower portion of the column 19 is supported. Is fixed to the floor 20 by anchor bolts, the wheels 3 of a large number of carrier vehicles 2 are mounted on the upper rails 1, and the upper part formed of a cylindrical body extending in the left-right direction is located at the lower center of the vehicle body 4 of the carrier vehicles 2. An engaging member 5 is arranged, and the upper engaging member 5 is rotatably fitted on a horizontal shaft 21 attached to the vehicle body 4.

The two lower rails 8 extending in the front-rear direction through the lower portion of the carrier vehicle 2 are supported by a number of level adjustment support devices 22 fixed to the floor 20, and the level adjustment support devices 22 are provided.
Is composed of a seat plate 23 fixed to the floor 20 by anchor bolts, a vertical screw rod 24 fixed to the seat plate 23, a support nut 25 and a press nut 26 screwed to the vertical screw rod 24, and the transport nut. Wheels 7 of a drive truck 6 traveling in the front-rear direction under the truck 2 are mounted on the lower rails 8 and side rollers mounted on both left and right sides of a vehicle body 27 of the drive truck 6.
28 is arranged so as to contact the side surface of the lower rail 8.

A drive device 11 for traveling, which is an electric motor with a speed reducer, is fixed to both front and rear sides of a vehicle body 27 of the drive carriage 6, and a drive gear 29 fixed to an output shaft of the drive device 11 for traveling is fixed to a pair of front and rear wheels 7. The driven gear 30 is meshed with the driven gear 30.

Vertical elevating guide rails 31 are fixed on both left and right sides of the vehicle body 27 of the drive carriage 6, and elevating guide rollers are engaged with the front and rear and inner side surfaces of the guide rail 31 on the upper and lower portions of the elevating support base 32. 33 is attached, the lower end of the lower engaging member 10 is fixed to the upper part of the elevating support 32, and the engaging part 12 fitted to the upper engaging member 5 is attached to the upper part of the lower engaging member 10. And an operation arm 17 for rotating the operation lever, the engaging portion 12 of which is groove-shaped and has a guide slope on the upper side.

An elevating drive device 9 including an electric motor with a speed reducer is fixed to the vehicle body 27, a drive sprocket 34 is fixed to an output shaft of the elevating drive device 9, and a driven sprocket 35 arranged below the drive sprocket 34 is The holding member 36 is rotatably attached to the holding member 36, and the holding member 36 is superposed on a supporting member 37 fixed to the vehicle body 27, and the endless chain 38 is extended over the driving sprocket 34 and the driven sprocket 35.
Further, the vertical portion of the endless chain 38 and the elevating support base 32 are connected by a connecting member 39, and the tension adjusting bolt 40 screwed to the supporting member 37 is engaged with the holding member 36. Then, the tension of the endless chain 38 is adjusted by the bolt 40.

A low speed striker 41 and a stop striker 42 are fixed to the lift support base 32, and the low speed striker is attached to the vehicle body 27.
The low speed rising switch S1 and the low speed falling switch S2, which are proximity switches operated by 41, are fixed, and the upper limit stop switch S3 and the lower limit stop switch S4, which are proximity switches operated by the stop striker 42, are fixed. Has been done.

The elevating support device 32 is operated by rotating the elevating drive device 9 in the forward direction.
When the low-speed striker 41 operates the low-speed rise switch S1, the upward movement of the lower engagement member 10 is switched to the low-speed rise, and then the stop striker 42 switches the upper limit stop switch. When S3 is operated, the low speed ascending movement is stopped, and when the lower engaging member 10 moves up to the upper limit position, the upper engaging portion 12 of the lower engaging member 10 causes the upper engaging member 5 of the transport carriage 2 to move. Is fitted to.

Further, when the ascending / descending driving device 9 is operated in the reverse direction to descend and move the ascending / descending support base 32 and the lower engaging member 10, when the low speed striker 41 operates the low speed descending switch S2, the descending operation is performed. When the movement is switched to the low speed descent and then the lower limit stop switch S4 is operated by the stop striker 42, the low speed movement is stopped.

A large number of stoppers 14 provided with recesses 43 are arranged at intervals in the front-rear direction and fixed to one upper support base 13 by bolts, and support metal fittings 44 fixed to the lower part of the vehicle body 4 of the transport carriage 2 are provided. A support shaft 45 extending in the front-rear direction is rotatably fitted to the support shaft 45, and the upper end of the rotation support member 46 and the upper end of the arm 47 are fixed to the support shaft 45.
A locking member fitted on the surface of 46 into the recess 43 of the stopper 14.
15 is fixed, and a supporting rod is provided on the back side of the movable supporting member 46.
48 is fixed, and a weight 49 for rotating the movable support member 46 toward the stopper 14 is fitted and fixed to the support rod 48. Further, the proximity switch S5 for detecting the engagement of the engaging member is fixed to the stopper 14, and the engaging member 15 is the stopper.
When the movable support member 46 is brought into contact with the stopper 14 while being fitted into the recess 43 of 14, the proximity switch S5 is operated by the locking member 15, and the proximity switch S5 is fitted with the locking member. Send a completion signal.

An L-shaped operating lever 16 is arranged in the lower portion of the vehicle body 4 near the upper engaging member 5, and an intermediate portion of the operating lever 16 is attached to a bracket 50 fixed to the lower portion of the vehicle body 4.
The first lever 52 of the operating lever 16 is pivotally attached by a pivot 51 extending in the front-rear direction, is disposed above the operating arm 17 provided on the lower engaging member 10, and is the second lever of the operating lever 16. 53 and the arm 47 are connected via a connecting rod 55 having a turnbuckle 54.

In the transfer facility configured as described above, the drive carriage 6
When the transport carriage 2 at an arbitrary position is driven by, the drive carriage 6 is driven to the lower part of the transport carriage 2 and the engaging portion 12 in the lower engaging member 10 provided on the drive carriage 6 is moved to the upper engaging member. 5, the operation arm 17 is arranged below the first lever 52 of the operation lever 16, and then the raising / lowering drive device 9 is driven to rotate normally to lower the engagement member.
Move 10 up to the upper limit.

By doing so, the engaging portion 12 of the lower engaging member 10 is connected to the vehicle body 4
Of the lower engaging member 10, and the operating lever 16 is rotated by the operating arm 17 of the lower engaging member 10, and the operating lever 16 causes the connecting rod 55, the arm 47, and the movable supporting member.
The locking member 15 is rotated via 46, and the locking member 15 is separated from the stopper 14.

Next, when the traveling drive device 11 of the drive carriage 6 is driven to drive the drive carriage 6, the transport carriage 2 is pushed by the drive carriage 6 via the lower engaging member 10 and the upper engaging member 5. To be done.

When the carriage 2 travels to the low position, the driving device 11 for driving is stopped, and then the driving device 9 for lifting and lowering is reversely driven to move the lower engaging member 10 downwardly. The engaging portion 12 of the member 10 is disengaged downward from the upper engaging member 5, and the operating arm 17 of the lower engaging member 10 is moved to the operating lever.
The movable support member 46 is rotated downward by the weight of the weight 49 to come into contact with the stopper 14, and the locking member 15 fixed to the movable support member 46 is also a stopper. It is fitted in the recess 43 of 14 and is held in a fixed position so that the transport carriage 2 does not move.

When practicing this invention, the upper flange of the support beam 18 may be the upper support.

〔The invention's effect〕

Since the present invention is configured as described above, it has the following effects.

Of a large number of transport carriages 2 not equipped with a drive apparatus for traveling, a transport carriage 2 at an arbitrary position is provided with an elevating drive apparatus 9 for elevating and lowering a lower engaging member 10 and a traveling drive apparatus 1. The carriage can be moved by the driving carriage 6, so that a conveying facility having a large number of conveying carriages 2 can be manufactured at low cost, and when the conveying carriage 2 is not moved by the driving carriage 6, the conveying carriage 2 Since the locking member 15 provided in the above is fitted to the stopper 14 fixed to the upper support base 13, the transport carriage 2 can be reliably stopped at a predetermined position, and the transport carriage 6 transports it. Trolley 2
When the vehicle is traveling, the lower engaging member 10 is previously moved upward by the elevating drive device 9, so that the operating lever 17 is operated by the operating arm 17 provided on the lower engaging member 10.
Also, the locking member 15 can be automatically removed from the stopper 14 by moving the locking member 15 via the interlocking mechanism.

[Brief description of drawings]

The drawings show one embodiment of the present invention. FIG. 1 is a vertical sectional front view of a transfer facility, FIG. 2 is a partial vertical sectional side view of the same, and FIG. 3 is a drive cart mounted on a lower rail. FIG. 4 is a plan view of the transport carriage, FIG. 5 is a plan view showing an intermediate portion of the drive carriage, FIG. 6 is a side view thereof, and FIG. 7 is a device for moving the lower engaging member up and down. FIG. 8 is a vertical cross-sectional side view, FIG. 8 is a vertical cross-sectional front view showing the carriage holding and holding device, FIG. 9 is a sectional view taken along the line AA of FIG. 8, and FIG. 10 is a sectional view taken along the line BB of FIG. FIG. 11 is a partial cross-sectional plan view showing the relationship between the stopper fixed to the upper support and the locking member fitted to the stopper, and FIG. 12 is the engaging portion of the lower engaging member as the upper engaging member. 12 is a longitudinal sectional front view showing a state in which the locking member is disengaged from the stopper while being fitted to FIG. 13, FIG. 13 is a longitudinal sectional front view showing an enlarged part of FIG. 12, and FIG. Sectional view taken along line C-C of 15
The figure is a schematic plan view showing the arrangement of a large number of transport carriages and drive carriages. In the figure, 1 is an upper rail, 2 is a carriage, 3 is a wheel, 4 is a vehicle body, 5 is an upper engaging member, 6 is a drive carriage, 7 is a wheel, 8 is a lower rail, 9 is a lifting drive device, 10 Is a lower engaging member, 11 is a driving device for traveling, 12 is an engaging portion, 13 is an upper support, 14 is a stopper, 15 is a locking member, 16 is an operating lever, 17 is an operating lever rotating operation arm, 18 Is a support beam, 19 is a pillar, 28 is a side roller, 31 is a lifting guide rail, 32 is a lifting support base, 33 is a lifting guide roller, 34 is a drive sprocket, 35 is a driven sprocket, 38 is an endless chain, 46 is Movable support member, 47 arm, 49 weight, 55
Is a connecting rod.

Claims (1)

[Claims] 1. A plurality of wheels 3 of a carriage 2 are mounted on an upper rail 1 extending in the front-rear direction, an upper engaging member 5 is attached to a vehicle body 4 of the carriage 2, and a lower portion of the carriage 2 is mounted. The wheels 7 of the drive carriage 6 traveling in the front-back direction are
The drive carriage 6 is mounted on a lower rail 8 extending in the front-rear direction, and the drive carriage 6 includes a lower engagement member 10 and a traveling drive device 11 that are moved up and down by an elevation drive device 9. Engaging part fitted to the upper engaging member 5 on the upper part of the
In the transportation facility provided with 12, a plurality of stoppers 14 are fixed to an upper support base 13 that supports the upper rail 1 at intervals in the front-rear direction.
, A locking member 15 fitted to the stopper 14 and an operating lever 16 are attached, and an operating lever rotating operation arm 17 is provided on the lower engaging member 10 provided on the drive carriage 6. The stopper 14 and the operation lever 16 are the operation arm 17
Transport equipment connected via an interlocking mechanism that disengages the locking member 15 from the stopper 14 when the operation lever 16 is rotated by.