JP2003192115A - Carriage carrier facility using slat conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a carriage carrier facility using a slat conveyor, capable of forming a flat working falsework and stably carrying a carriage. <P>SOLUTION: A driving means 33 interlocked with a chain 36 is provided by mounting a large number of slats 40 between a pair of left and right chains 36 in the chain moving direction A. The carriage 1 is supported on the slats 40 through wheels 3, 4 and carried on a carrier route 11. A pair of left and right recessed parts 43, 46 for wheel engagement is formed on the slats 40 with specified pitches P between them in the chain moving direction A. It is possible to stably carry the carriage 1 by engaging a group of the wheels 3, 4 with the recessed parts 43, 46 by making the carriage 1 ride in the carrier route 11. A worker can move left and right of the carrier route 11 through the flat working falsework formed of the group of the slats 40. Manual work against a carrying article 9 supported by the carriage 1 can be carried out by the worker riding on the flat working falsework. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trolley-carrying facility using a slat conveyor, which is used when, for example, a trolley supporting a car body is carried on a car body painting line.

[0002]

2. Description of the Related Art Conventionally, this type of trolley transportation facility is formed by disposing a pair of left and right slat conveyors corresponding to the left and right wheels of a trolley supporting a vehicle body.
Further, a coating means or the like is provided in the transportation route of the carriage.

According to this conventional structure, the carriage supported between the two slat conveyors via the wheels is conveyed at a predetermined speed in the conveying path by the continuous drive of the two slat conveyors, and is expected to be supported with respect to the supported vehicle body. Painting is carried out.

[0004]

However, according to the above-mentioned conventional structure, the trolley transportation facility including the pair of left and right slat conveyors has irregularities on the scaffolding, which makes it particularly difficult for workers to perform manual work. It becomes a thing. Further, it is not easy for workers to come and go across the transportation route. As a result, the painting work cannot be labor-saving or labor-saving,
In addition, workability also becomes poor.

Therefore, an object of the present invention according to claim 1 is to provide a trolley transportation facility using a slat conveyor which can form a flat work scaffold and can stably transport the trolley. is there.

Further, the invention according to claim 3 can be carried out by correcting the carriage on the carriage path so that the carriage has a minimum carriage pitch as much as possible even when the carriage does not cause a collision and even when the carriage is in a tooth missing state. The purpose of the present invention is to provide a trolley transportation facility using a conveyor.

[0007]

In order to achieve the above-mentioned object, in a trolley transportation facility using a slat conveyor according to claim 1 of the present invention, a large number of slats are attached between a pair of left and right chains in the chain moving direction. And a driving means interlocked with the chain is provided so that the trolley is supported by the slats via wheels to be transported on the transport path, and the slats are arranged at a predetermined pitch in the chain moving direction. Is characterized in that a pair of left and right recesses for locking wheels are formed.

Therefore, according to the first aspect of the present invention, the slat group can be integrally rotated by moving the pair of left and right chains by the drive means. In this state, the trolley is loaded onto the transport path, and its wheel group is locked in the wheel locking recesses. By positioning the carriage on the slats in this way, the carriage can be transported in the transport path and unloaded from the end portion. During such transportation, the worker can move back and forth on the left and right of the transportation path through the flat work scaffold formed by the slats.

A flat work scaffold is supported by the slats when an object is supported by the trolley and a worker manually carries out the object supported by the trolley during transportation on the transport route. By forming the ridge, the worker can get on the work scaffold and work.

According to a second aspect of the present invention, there is provided a trolley-carrying facility using a slat conveyor in the above-mentioned first aspect of the invention, in which the wheel locking recesses are short recesses and long recesses in the chain moving direction. It is characterized in that and are located alternately.

Therefore, according to the second aspect of the present invention, the wheel engaged in the short concave portion can be conveyed in the conveying path by the positioning action of the wheel, and the wheel retained in the long concave portion has an allowance in the direction of the conveying path. Thus, it is possible to absorb a change in the pitch between the front and rear wheels and to lock both the front and rear wheels with respect to the both recesses.

[0012] According to a third aspect of the present invention, there is provided a trolley transportation facility using a slat conveyor, wherein the trolley has a front wheel side locking body and a rear wheel side locking body. Are provided, and at the beginning of the transport path,
One of the selected locking bodies is provided with a locking means that can be engaged and disengaged, and the locking means is disengaged when the intended wheel locking recess reaches. is there.

Therefore, according to the third aspect of the present invention, when the carriage is loaded on the transport path, the carriage can be stopped at the starting end portion by first engaging the locking means with the locking body. At that time, the locking means may select and engage either the front wheel side locking body or the rear wheel side locking body in accordance with the transport state of the trolley that is previously transported on the transport path. .

That is, when the succeeding carriage to be conveyed next arrives at the starting end portion in a dense state (without an interval) with respect to the preceding carriage, the engagement is performed before the front wheel side locking body arrives. The stop means is brought into the engagement posture. With this, it is possible to engage the locking means with the front wheel side locking body to stop the trailing carriage, and when the recess reaches below the front wheel, lock the locking means with respect to the front wheel side locking body. By disengaging, the succeeding carriage can be transported on the transport path with the front wheels locked in the recesses. Further, immediately after the conveyance is started, the next recess reaches below the rear wheel, so that the rear wheel can be locked in the recess.

Further, when the trailing carriage arrives at the starting end portion in a rough state (with a space) with respect to the preceding carriage, the front wheel side locking body is passed through after the front wheel side locking body is passed. Before reaching, the locking means is brought into the engagement posture. As a result, the rear wheel side locking body can be engaged with the locking means to stop the trailing carriage,
When the recesses reach below the front and rear wheels respectively, the locking means is disengaged from the rear wheel side locking body, so that the front and rear wheels are locked in the recesses, respectively, and the succeeding carriage is moved to the transport path. Can be transported on.

According to a fourth aspect of the present invention, there is provided a trolley-carrying facility using a slat conveyor, in which the trolley is configured to support a vehicle body in the above-mentioned structure. It is characterized by that.

Therefore, according to the invention of claim 4, various kinds of work can be performed on the vehicle body while the carriage supporting the vehicle body is being conveyed on the conveying path.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 3, 5, and 7, the trolley 1 is provided with a pair of left and right front wheels 3 and a pair of left and right rear wheels 4 at a lower portion of its main body 2. A group of receiving portions 5 for supporting a vehicle body (an example of an object to be transported) 9 is provided on the upper portion. Here, the receiving portion 5 group is composed of a stationary receiving portion, a movable receiving portion (adjustment receiving portion), and the like, and is configured so as to be compatible with the vehicle bodies 9 of a plurality of vehicle types.

Further, at the lower portion of the main body 2, front wheel side locking bodies 6 are provided outside the front wheels 3 respectively, and rear wheel side locking bodies 6 are provided outside the rear wheels 4, respectively. A body 7 is provided. Here, as the locking bodies 6 and 7, a type in which a roller is provided on a shaft from the main body 2 side is adopted, but this may be a pin type or a stopper plate type. The shaft 8 of the front wheel side locking body 6 is projected downward.

As shown in FIGS. 1 to 3, 5, and 6, the carriage path 11 of the carriage 1 includes a carry-in section 12, a carry-out section 14, and a carry-out section 12.
It is formed by a coating section (an example of a working section) 13 between the two sections 12, 14. Then, the loading means 61 of the loading section 12, the slat conveyor 21 of the coating section 13, and the unloading section 14
The unloading means 71 is linearly arranged.

When arranging the slat conveyor 21, a pair of front and rear pits 16A and 16B are formed on the floor 15 side, a concave groove portion 17 is formed between these pits 16A and 16B, and both pits 16A are formed. , 16
Machine frames 22A and 22B are provided at B, respectively.

Of these machine frames 22A and 22B, a machine shaft 22A on the carry-in section 12 side is provided with a driven shaft 23 in the left-right direction via a bearing 24 so as to be freely rotatable, as shown in FIGS. A pair of left and right driven wheels (driven sprocket) 25 are fixed to the driven shaft 23. The driven shaft 23
Is provided on the machine frame 22A via a take-up device 26. The take-up device 26 includes a guide frame 27 for guiding the left and right bearings 24 outward and downward, and a guide frame 27 for the bearing 24 outward and downward. Screw shaft mechanism 28 for moving downward
Etc.

On the other hand, in the machine frame 22B on the side of the carry-out section 14,
As shown in FIG. 1, FIG. 2, FIG. 5, and FIG. 6, a drive shaft 30 in the left-right direction is rotatably provided via a bearing 31, and the drive shaft 30 has a pair of left and right drive wheels (drive sprocket). )
32 is fixed. The drive shaft 30 is fixed in position by a bearing 31 fixed to the machine frame 22B, and one end of the drive shaft 30 is wound around drive means (motor, speed reducer, etc.) 33 provided on the machine frame 22B. It is interlockingly connected via 34.

As shown in FIGS. 1, 3, and 5 to 8, the slat conveyor 21 has a pair of left and right chains 36. In these chains 36, a pair of left and right outer links 36a and a pair of left and right inner links 36b are alternately connected by a left and right link pin 36c, and a link pin 36c is provided between the links 36a and 36b.
The bush roller 36d is externally fitted to the above. At that time, a connecting portion 36e extending outward is integrally formed from the outer link 36a and the inner link 36b on the outer side.

The chain 36 constructed as described above is wound around the driven wheel 25 and the driving wheel 32 which are arranged at the front and rear, so that the driving means 33 is interlocked. At the outer end of the link pin 36c, a ring (roller or the like) is attached.
37 is provided so as to be freely rotatable.

Between the two chains 36, the chain moving direction A
A large number of slats 40 are attached by. That is, the slat 40 is a rectangular plate, and brackets 41 are fixed to both sides of the back surface thereof. The bracket 41 and the connecting portion 36e are fastened together by bolts and nuts (an example of a connecting tool) 42, so that the slats 40 are provided between the outer links 36a of the left and right chains 36.
Is attached.

On the slats 40 arranged at a predetermined pitch P in the chain moving direction A, a pair of left and right recesses for locking wheels are formed. Here, the predetermined pitch P is the trolley 1
It corresponds to the pitch between the front wheel 3 and the rear wheel 4 in. As the wheel locking recesses, the short recesses 43 and the long recesses 46 are alternately positioned in the chain moving direction A.

The short recess 43 is provided with a wheel receiving member 44 located at the bottom and a pair of left and right wheel width determining members 45, and the wheels 3 and 3 in the direction of the conveying path 11 with almost no room. 4 is configured to provide support.
Further, the wheel receiving body 47 located at the bottom is provided in the long concave portion 46.
And a pair of left and right wheel width determining bodies 48 are provided, and the wheels 3 and 4 are configured to be supported in the direction of the transport path 11 with sufficient space. The wheel width determining bodies 45 and 48 are formed of rod bodies or the like.

Therefore, in the trolley 1, the wheel 3 (4) is locked (falls) in the short recess 43 and the wheel 4 (3) is locked in the long recess 46, so that the wheel 3 (4) is fixed to the group of slats 40. , 4, and is conveyed on the conveyance path 11.

An upper guide body 50 and a lower guide body 51 for supporting and guiding the wheel body 37 are arranged between the driven wheel body 25 and the drive wheel body 32 arranged in front and rear,
These guide bodies 50, 51 are composed of rails and the like, and are supported by the machine frames 22A, 22B, the support material 55 at predetermined intervals, and the like. A start end guide body 52 is provided between the driven wheel body 25 and the upper guide body 50, and an end end guide body 53 is provided between the upper guide body 50 and the drive wheel body 32. . 22A, 2 above
An example of the slat conveyor 21 is constituted by 2B to 55 and the like.

The carrying-in means 61 provided at the start end portion of the carrying path 11 has a pair of left and right carrying-in guide rails 62 on which the front wheels 3 and the rear wheels 4 are fitted and guided, and these carrying-in guide rails 62. And a feeding device 64 for moving the carriage 1 on the carry-in side guide rail 62 to the starting end portion of the transport path 11. Although the cylinder pusher type is adopted as the feeding device 64, it may be a drive chain type or the like.

The carrying-out means 71 provided at the terminal end of the carrying path 11 has a pair of left and right carrying-out guide rails 72 on which the front wheels 3 and the rear wheels 4 are fitted and guided, and these carrying-out guide rails 72. And a pulling-out device 74 for moving the trolley 1 at the end portion of the transport path 11 onto the carry-out side guide rail 72. A cylinder pusher type is adopted as the pull-out device 74, but it may be a drive chain type or the like.

As shown in FIGS. 1, 3, and 9 to 12,
A locking means 81 is provided on one side of the starting end of the transport path 11 so as to be engageable with and disengageable from one selected locking body 6, 7. That is, the base body 82 is fixed on the machine frame 22A, and the bracket 83 is attached to the outer end portion of the base body 82.
Is provided. A pair of left and right arm bodies 85 are vertically swingably connected to the bracket 83 via left and right pins 84, and these arm bodies 85 extend toward the end portion side and between the end portion and the upper portion on the end portion side. The locking portion 86 is provided in the. Here, the locking portion 86 is configured such that the upper and lower sides and the starting end portion side are open, and the locking bodies 6 and 7 are engageable with each other.

Most of the lower surface of the arm body 85 is formed as a horizontal engaging action surface 85a, and the engaging action surface 85a continues from the engaging action surface 85a toward the start end portion side, and the detaching action surface 85b is slanted downward. Are formed. A cylinder device 87 is provided on the end portion side of the base body 82, and a piston rod 88 of the cylinder device 87 is directed to the start end portion side. At the free end of the piston rod 88, a pair of left and right rollers 91 are provided so as to be freely rotatable through a holding body 89 and a lateral shaft 90, and these rollers 91 contact the working surfaces 85a and 85b from below. It is freely configured.

A limit switch for detecting the amount of movement (movement limit) of the roller 91 is provided on the side of the base body 82. That is, the operating body 92 is provided on the holding body 89 side, and the engaging side limit switch 93 operated by the operating body 92 when the cylinder device 87 is contracted and the cylinder device 87 are provided on the base body 82 side. There is provided a detachment side limit switch 94 which is operated by the operating body 92 when the is extended. An example of the locking means 81 is configured by the above 82 to 94 and the like.

Here, the locking means 81 is constructed so as to be disengaged when the desired wheel locking recesses 43, 46 arrive. That is, FIG. 1, FIG. 3, FIG.
As shown in FIG. 3, the slats 4 having the recesses 43 and 46 are formed.
In the slat group between 0, a cam plate-shaped operating portion 49 is provided on the lower surface (back surface) of the slat 40 at a predetermined position. Then, when the recesses 43, 46 are opposed to the wheels 3, 4 located near the locking bodies 6, 7 locked by the locking means 81, a limit switch type operated by the operating section 49, etc. The detection means 96 is provided on the upper guide body 50 side. And this detecting means 96
The cylinder device 87 of the locking means 81 is extended by the detection signal from

As shown in FIG. 1, guide rail means 98 for engaging and guiding the shaft 8 of the front wheel side locking body 6 is provided on the other end portion at the starting end portion of the conveying path 11. .
The operation of the above-described embodiment will be described below.

In the coating section 13, the slat conveyor 21 is continuously driven by its driving means 33. That is, by driving the drive means 33, as shown in FIGS. 2 and 6, the drive shaft 30 is rotated in one direction through the winding transmission device 34, and both drive wheel bodies 32 are rotated in one direction. As a result, the pair of left and right chains 36 is moved, and as shown in FIG. 3, both driven wheel bodies 2 at the start end portion are moved.
Rotate 5 to one side. Then, the group of slats 40 mounted between the left and right chains 36 is also integrally rotated,
At that time, as shown in FIG. 2, FIG. 3, FIG. 6, and FIG.
7 can be supported and guided by the upper guide body 50, the lower guide body 51, and the like.

In this state, the carriage 1 supporting the vehicle body 9
Board the transportation path 11. That is, the trolley | bogie 1 is made to drive forward and it puts in in the carrying-in part 12. At this time, the trolley 1
The wheels 3 and 4 are fitted and guided by the carry-in side guide rails 62 of the carry-in means 61, whereby the carry-in section 12 is provided.
Can drive on a fixed route. The traveling of the carriage 1 can be continuously performed by the operation of the feeding device 64, and the carriage 1 can be stopped at the carry-in section 12 by engaging the locking means 81 with the locking bodies 6 and 7. .

At this time, the locking means 81 connects the front wheel side locking body 6 and the rear wheel side locking body 7 in accordance with the transport state of the carriage 1 which is transporting ahead on the transport path 11. The engagement posture is switched as shown in FIG. 9 so that either one can be selected and engaged. The shaft 8 of the front wheel side locking body 6 is engaged with the guide rail means 98 before the carriage 1 is stopped at the loading section 12 by the locking means 81.

That is, with respect to the preceding bogie 1,
When the trolleys 1 to be conveyed next reach the carry-in section 12 in a dense state (without a gap), the locking means 81 is in the engaging posture before the front wheel side locking body 6 reaches. . Further, when the trolley 1 to be conveyed next arrives at the carry-in section 12 in a rough state (with a space) with respect to the preceding trolley 1, the feeding by the operation of the feeding device 64 is sufficiently performed. After passing through the front wheel side locking body 6, the locking means 81 is in the engaging posture before the rear wheel side locking body 7 reaches.

In order to switch the engaging means 81 to the engaging posture, as shown in FIGS. 9 and 11, the cylinder device 87 is contracted to move the roller 91 to the end portion side, and the roller 91 is moved. By supporting the horizontal engagement action surface 85a from below, the locking portion 86 can be moved to the raised position via the arm body 85. At this time, the movement amount (movement limit) of the roller 91 toward the terminal end side can be regulated by operating the engagement side limit switch 93 with the operating body 92.

As described above, by setting the locking means 81 in the engaging posture, the front wheel side locking body 6 or the rear wheel side locking body 7 of the truck 1 which is traveling by the operation of the feeding device 64.
Can be engaged with the locking portion 86. As a result, the carriage 1 can be stopped at the desired front-back position in the carry-in section 12.

Then, as shown in FIG. 3, in the state where the carriage 1 is stopped by engaging the locking means 81 with the front wheel side locking body 6, the wheel locking recess 43 is provided below the front wheel 3. When (or 46) arrives, the operating means 49 operates the detecting means 96, and the detection signal outputs the locking means 81.
The cylinder device 87 of is extended. Then, the roller 91 moves to the starting end portion side and pushes up the separation action surface 85b from below, and as shown in FIG.
It can be swung downward around 4 and can be disengaged from the front wheel side locking body 6.

As a result, in the trolley 1, the front wheels 3 are recessed 43.
Since it is locked to (or 46), it can be transported on the transport path 11 by the slurry conveyor 40. Immediately after the conveyance is started, the wheel locking recess 46 (or 43) reaches below the rear wheel 4, and thus the rear wheel 4 is recessed.
(Or 43).

Further, as shown in FIG. 4, the rear wheel side locking body 7
In the state in which the locking means 81 is engaged with the carriage 1 and the carriage 1 is stopped, the recess 43 (or 46) for wheel locking reaches below the front wheel 3 and below the rear wheel 4 for wheel locking. When the concave portion 46 (or 43) of 4 reaches, the locking portion 86 can be disengaged from the rear wheel side locking body 7 as described above. As a result, in the trolley 1, the front wheels 3 are locked in the recesses 43 (or 46), and at the same time the rear wheels 4 are locked in the recesses 46 (or 43), so that the slat conveyor 40 allows the transport path 1 to move.
Can be carried on one.

In this way, the carriage 1 that has reached the carry-in section 12 can be sent to the slurry conveyor 40 and conveyed on the conveying path 11. At that time, as described above, the locking means 81 selects either the front wheel side locking body 6 or the rear wheel side locking body 7 according to the transport state of the preceding cart 1. In the state where the carriage 1 is stopped and the carriage 1 is stopped by engaging the locking means 81 with the front wheel side locking body 6, the desired concave portion 43 (or the lower portion of the front wheel 3) (or 46), when the trolley 1
When the carriage 1 reaches the carry-in section 12 in a dense or rough state, the collision is not generated on the conveyance path 11, and the carriage 1 is corrected to the minimum conveyance pitch as much as possible even when the carriage 1 is in the tooth missing state. Can be transported.

Further, the short recesses 43 for locking the wheels and the long recesses 46 are alternately located in the chain moving direction A, so that the wheels 3, 4 locked in the short recesses 43 are locked.
With the positioning action of, the sheet can be always stably conveyed on the conveying path 11. Further, the change in the pitch between the front and rear wheels can be absorbed by the allowance of the wheels 3 and 4 locked in the long recess 46 in the direction of the transport path 11, and both recesses 43 and 4 can be absorbed.
The front and rear wheels 3, 4 can be engaged with the front and rear wheels 6, so that the above-described conveyance, which is corrected to the minimum conveyance pitch as much as possible, can be easily realized.

As described above, with the carriage 1 positioned on the slats 40 of the slat conveyor 21, the carbody 1 as well as the carriage 1 can be conveyed in the coating section 13 by the continuous drive of the slat conveyor 21. While the vehicle body 9 is being conveyed by the coating section 13, a desired coating is performed by a coating means (not shown) provided in the coating section 13.
At this time, the coating section 13 is manually operated by the worker for manual coating work and other various works.

At this time, since the flat work scaffold is formed by the group of slats 40, the worker can stably perform the work on the work scaffold. Further, the worker can move back and forth on the left and right of the transport path 11 through the work scaffold. By these, labor saving, man saving, and workability can be improved.

In this way, after the desired coating of the vehicle body 9 is performed in the coating section 13, the carriage 1 is moved to the unloading section 1
Enter 4. The wheels 3 and 4 of the carriage 1 are fitted and guided by the carry-out side guide rails 72 of the carry-out means 71, so that the carry-out section 14 can travel on a fixed route. The traveling of the carriage 1 can be continuously performed by the operation of the drawer device 74, and the carriage 1 can be carried out from the carry-out section 14.

In the above-described embodiment, the short recess 43 in the chain moving direction A is used as the recess for locking the wheel.
Although a form in which the long recesses 46 and the long recesses 46 are alternately located is shown, this may be a form in which all the short recesses 43 are used or a form in which all the long recesses 46 are used.

In the above-described embodiment, the form in which the front wheel side locking body 6 and the rear wheel side locking body 7 are provided on the carriage 1 is shown. A form in which only one of the body 6 and the rear wheel side locking body 7 is provided may be used, in which case the carriage 1 is always stopped at a fixed position at the starting end portion.

In the above-mentioned embodiment, the form in which the arm body 82 is swung as the locking means 81 is shown.
This may be a form in which the stopper pin is moved in and out in the left-right direction.

Although the dolly 1 for supporting the vehicle body 9 is shown in the above-described embodiment, the dolly 1 for supporting other than the vehicle body 9 as the object to be conveyed may be used.

[0056]

According to the first aspect of the present invention, the slat group can be integrally rotated by moving the pair of left and right chains by the driving means. In this state, the trolley can be loaded into the transport path, and its wheel group can be locked in the wheel locking recesses. By positioning the carriage on the slat in this manner, the carriage can always be stably transported on the transport path and can be unloaded from the end portion. During such transportation, the worker can come and go to the left and right of the transportation route through the flat work scaffold formed by the slats.

A flat work scaffold is supported by the slats when an object is supported by the trolley and a worker manually carries out the object supported by the trolley during transportation on the transport route. By forming the ridge, the worker can easily get on the work scaffold and perform the work. With these, labor saving, labor saving, and workability can be improved.

According to claim 2 of the present invention described above,
The positioning action of the wheels locked in the short recess allows stable transport in the transport path at all times, and the distance between the front and rear wheels changes due to the allowance of the wheels locked in the long recess in the direction of the transport path. Can be absorbed and both front and rear wheels can be locked to both recesses. This allows
It is possible to easily realize the conveyance modified to have the smallest conveyance pitch as much as possible.

According to the third aspect of the present invention described above, when the carriage is loaded on the conveyance path, the carriage is stopped at the starting end portion by first engaging the locking means with the locking body. At that time, the locking means can select and engage either the front wheel side locking body or the rear wheel side locking body according to the conveyance state of the preceding truck, so that the succeeding truck can be set at a desired position at the starting end portion. Can be stopped in the front-back position. Then, by moving away when the intended recess reaches the bottom of the wheel, even when the succeeding carriage reaches the carry-in section in either a dense or rough state, on the transfer route, a collision or the like does not occur, Further, even when the bogie is missing teeth, the carriage can be corrected and conveyed so as to have the minimum conveyance pitch as much as possible.

Further, according to the fourth aspect of the present invention described above, various works can be performed on the vehicle body while the carriage supporting the vehicle body is being carried on the carrying path.

[Brief description of drawings]

FIG. 1 is a plan view showing an example of an embodiment of the present invention and a vicinity of a carry-in section in a carriage transportation facility using a slat conveyor.

FIG. 2 is a side view of a carriage transportation facility using the slat conveyor.

FIG. 3 is a partially cutaway side view in the vicinity of a carry-in section in a carriage transport facility using the slat conveyor.

FIG. 4 is a partially cutaway side view in the vicinity of a carry-in section in a carriage transport facility using the slat conveyor.

FIG. 5 is a plan view of the vicinity of the carry-out section in the carriage transportation facility using the slat conveyor.

FIG. 6 is a partially cutaway side view in the vicinity of a carry-out section in a carriage transport facility using the slat conveyor.

FIG. 7 is a vertical cross-sectional rear view of the carriage transportation facility using the slat conveyor.

FIG. 8 is a side view of a main part of the slat conveyor in the carriage transportation facility using the slat conveyor.

FIG. 9 is a partially cutaway side view of the trolley transportation facility using the slat conveyor in the locking posture of the locking means.

FIG. 10 is a partially cutaway side view of the trolley-carrying facility using the slat conveyor in the disengaged posture of the locking means.

FIG. 11 is a plan view of a locking means in the carriage transportation facility using the slat conveyor.

FIG. 12 is a partially cutaway front view of a locking means in a carriage transportation facility using the slat conveyor.

[Explanation of symbols]

1 dolly 2 body 3 front wheels 4 rear wheels 6 Front wheel side locking body 7 Rear wheel side locking body 8 axes 9 Car body (object to be transported) 11 Transport route 12 carry-in section 13 Painting department (working department) 14 carry-out section 21 slat conveyor 22A machine frame 22B machine frame 25 Driven wheel 26 Take-up device 32 drive wheels 33 Drive means 36 chains 36e connection part 37 wheels 40 slats 43 Short recess 44 wheel receiver 45 Wheel width determining body 46 Long recess 47 wheel receiver 48 wheel width determining body 49 Operation part 50 Upper guide body 51 Lower guide body 61 means for carrying in 62 Guide rail on the loading side 64 feeding device 71 means for carrying out 72 Delivery side guide rail 74 Drawer 81 Locking means 85 arm body 85a Engaging surface 85b Release action surface 86 Locking part 87 Cylinder device 91 Laura 92 Control body 93 Engagement side limit switch 94 Release side limit switch 96 detection means 98 Guide rail means A Chain movement direction P predetermined pitch

Continued front page    (72) Inventor Mitsuo Hirashita             2-14-5 Shiba, Minato-ku, Tokyo Da Co., Ltd.             Ifuku Tokyo Head Office (72) Inventor Iji Kodera             3-2-11 Minejima, Nishiyodogawa Ward, Osaka City, Osaka Prefecture             No. Daifuku Co., Ltd. (72) Inventor Eijiro Nagai             1225 Nakazaiji, Hino-cho, Gamo-gun, Shiga Prefecture             Daifuku Shiga Works (72) Inventor Tomoo Kuwashima             1225 Nakazaiji, Hino-cho, Gamo-gun, Shiga Prefecture             Daifuku Shiga Works (72) Inventor Daisuke Hirano             2-14-5 Shiba, Minato-ku, Tokyo Da Co., Ltd.             Ifuku Tokyo Head Office F term (reference) 3D114 AA20 BA01 CA10 DA05 DA07                       FA04 GA07                 3F034 AA04 AB03 AC01 AC07 CA02                       CC02                 4F042 AA09 DF18 DF22 DF29 DF30

Claims (4)

[Claims] 1. A large number of slats are attached between a pair of left and right chains in the chain moving direction, and drive means interlocked with the chains are provided so that a carriage is supported by the slats via wheels and conveyed. A trolley-carrying facility using a slat conveyor, characterized in that a pair of left and right recesses for locking wheels are formed on slats that are configured to be transported on a path and are arranged at a predetermined pitch in the chain movement direction. 2. The trolley transport facility using a slat conveyor according to claim 1, wherein the wheel locking recesses are arranged such that short recesses and long recesses are alternately positioned in the chain moving direction. 3. A trolley is provided with a front wheel side locking body and a rear wheel side locking body, and a locking means that can be engaged with and disengaged from one selected locking body at a starting end portion of the conveyance path. 3. The trolley transfer equipment using a slat conveyor according to claim 1 or 2, wherein said locking means is disengaged when a desired wheel locking recess is reached. 4. The trolley transport facility using a slat conveyor according to claim 1, wherein the trolley is configured to support the vehicle body.