JPH08113174A - Vehicle carrying device - Google Patents

Abstract

PURPOSE: To carry out the works for carrying a vehicle in/out from the halfway of an assembly line to be safely and easily carried out by a small number of workers. CONSTITUTION: Paired guide rails 1 are mounted above an assembly line from the top of the assembly line at its side section, and let a vehicle carrying means T be supported by the guide rails 1 in such a way as to be freely run. The vehicle carrying means T is equipped with four hangers 5F and 5R which are hanged down from a trolley 2 in a rectangular frame shape running along the guide rails 1 so as to be supported thereby, and each support member 30 capable of being moved up and down by each cylinder 22 is provided for the lower section of each hanger 5F and 5R. The wheels of a vehicle are rested over the support members 3O of the four hangers 5F and 5R so as to be lifted up by the cylinders 22, so that the vehicle is thereby carried in/out with respect to a mobile trolley running over the assembly line.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle carrying device for carrying a vehicle in or out of an assembly line in which an automatic machine is installed, in the vicinity of the automatic machine.

[0002]

2. Description of the Related Art Prior to starting production of a model-changed vehicle or a newly developed vehicle, it is necessary to teach automatic machines such as robots arranged along an assembly line. A new type of vehicle must be mounted on a self-propelled trolley that runs along the assembly line and transported to an assembly station where an automatic machine is installed. In such a case, it is desirable to complete the teaching without affecting the production of the old model on the assembly line as much as possible.

Therefore, in the past, when the assembly line was stopped, an operator lifted the vehicle from the side of the assembly line near the assembly station where the automatic machine was installed and transferred it onto a self-propelled carriage.

[0004]

However, the above-mentioned conventional transfer work is not only dangerous because it involves handling a heavy vehicle in a place with poor scaffolding, but also requires a large number of workers. There was a problem.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a vehicle carrying device capable of easily carrying in and out a vehicle from the middle of an assembly line with a small number of people. And

[0006]

In order to achieve the above object, the invention described in claim 1 carries in or out a vehicle from the vicinity of the automatic machine with respect to an assembly line in which the automatic machine is arranged. And a guide rail that is installed above the side of the assembly line and above the assembly line, and a carriage that is movably supported by the guide rail.
It is characterized in that it comprises a hanger suspended and supported by a carriage, and a support member provided at a lower end of the hanger so as to be vertically movable to support the vehicle.

The invention described in claim 2 is characterized in that, in addition to the structure of claim 1, a plurality of hangers is provided on the carriage and the distance between the hangers can be adjusted.

According to a third aspect of the invention, in addition to the structure of the first aspect, a pair of left and right front hangers and a pair of left and right rear hangers are provided at the four corners of the trolley, and the front hanger support member is provided. The vehicle is characterized by supporting the left and right front wheels of the vehicle, and supporting the left and right rear wheels of the vehicle by the support member of the rear hanger.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 12 show an embodiment of the present invention. FIG. 1 is a plan view of a vehicle assembly line, FIG. 2 is an overall perspective view of a vehicle carrier, and FIG. 3 is three directions of FIG. Arrow view, FIG. 4
2 is a view from the direction of arrow 4 in FIG. 2, FIG.
6 is a view in the direction of arrow 6 in FIG. 5, FIG. 7 is a sectional view taken along line 7-7 in FIG.
8 is a sectional view taken along line 8-8 of FIG. 5, FIG. 9 is an enlarged view of section 9 of FIG. 3, FIG. 10 is a sectional view taken along line 10-10 of FIG. 9, and FIG. 11 is a perspective view of a joint portion of the width regulating member. 12 is 12-12 of FIG.
It is a line sectional view.

As shown in FIG. 1, a self-propelled carriage D ...
A plurality of assembling stations are provided along the assembling line L for assembling various parts while carrying the ... In the direction of the arrow a. For example, S ₁ is a seat loading station, and the two seat loading robots R ₁ and R ₂ load left and right seats into the passenger compartment of the vehicle. Further, S ₂ is a wind glass mounting station, and two wind glass mounting robots R ₃ and R ₄ mount the windshield and the rear glass on the front and rear openings of the vehicle. A vehicle transfer device T for loading or unloading the vehicle V from the side of the assembly line L to the self-propelled carriage D is provided downstream of the window glass mounting station S ₂ .

As will be apparent with reference to FIGS. 2 to 4 as well, a pair of guide rails 1, 1 made of I-shaped steel are installed between the upper side of the assembly line L and the upper side of the assembly line L. The vehicle carrier T is movably supported on the guide rails 1, 1.

The vehicle transport device T includes a frame-shaped carriage 2 that can travel along a pair of guide rails 1, 1. The dolly 2 is a combination of two vertical beams 3 and 3 made of I-shaped steel and four horizontal beams 4 made of channel steel in a rectangular frame shape. 5 hangers
_F , 5 _F ; 5 _R , 5 _R are movably suspended and supported. A pair of left and right front hangers located on the front side 5 _F , 5 _F
Are connected to each other by a connecting member 6, and a pair of left and right rear hangers 5 _R , 5 _R located on the rear side are connected to each other by a connecting member 6. The two front and rear hangers 5 _F and 5 _R suspended and supported from each beam 3 can be connected to each other by a detachable width regulating member 7 so as to have a predetermined front and rear interval.

As is apparent from FIGS. 2, 9 and 10.
On the front and rear of the left and right vertical beams 3, 3 of the carriage 2.
Two support plates 1 are attached to the racket 8 through pins 9 respectively.
0, 10 are pivoted, and these support plates 10, 10
Engages on the opposite surface so that it can roll freely on the upper surface of the flange of the guide rail 1.
Each of the two paired rollers 11 ... Is rotatably supported. This
And the carriage 2 should move along the guide rails 1, 1.
Can be. Also, each hanger 5_F, 5_F; 5_R, 5_Rof
Pins are attached to the front and rear ends of the bracket 12 provided on the upper end, respectively.
Two support plates 14, 14 are pivotally supported via 13
The vertical beam 3 flakes on the opposing surfaces of these support plates 14, 14.
Each of the two rollers 15 ...
Is pivotally supported. This allows a pair of left and right front hangers.
5_F, 5_FMoves along the vertical beams 3 and 3 of the truck 2.
Also, a pair of left and right rear hangers 5 _R, 5_RAlso
Can move along the longitudinal beams 3, 3 of the trolley 2.
You.

Next, the hanger 5_F, 5_F; 5_R, 5_Rof
The structure will be explained. 4 hangers 5 _F, 5_F; 5_R, 5
_RSince the structures of are substantially the same,
Front hanger 5_FThe structure of is explained.

As is apparent from FIGS. 5 to 8, the front hanger 5 _F has a column 21 suspended from the vertical beam 3 of the carriage 2 via the rollers 15 and a downward direction at the lower end of the column 21. And a coupled cylinder 22. Stanchion 21
A pair of front and rear guide rails 25, 25 are vertically supported by an upper bracket 23 sandwiched between the lower end of the cylinder 22 and the upper end of the cylinder 22, and a lower bracket 24 fixed to the lower end of the cylinder 22.

An elevating body 26 having a C-shaped horizontal cross section and opening inward is supported by the guide rails 25, 25 so as to be vertically movable. That is, a total of eight first rollers 27, which are respectively provided on the upper portion and the intermediate portion of the inner surface of the lifting body 26, are rotatably engaged with both side surfaces of the pair of guide rails 25, 25 and are adjacent to each other. A total of four second rollers 28 provided between the first roller 27 and the pair of guide rails 2.
It is rotatably engaged with the top surfaces of 5, 25. An output rod 29 protruding downward from the cylinder 22 is connected to a support member 30 fixed to the lower end of the elevating body 26.

Therefore, when the cylinder 22 is extended and driven, the lifting body 26 descends with respect to the support column 21 to ground the support member 30, and when the cylinder 22 is contracted and driven, the lifting body 26 rises with respect to the support column 21. Support member 3
0 separates from the floor.

As is apparent from FIGS. 4, 11 and 12, the width regulating member 7 is a body portion 31 made of a square pipe.
And a pair of connecting portions 32, 32 made of an angle member fixed to both ends thereof, and four grooved pins 33 ... Are planted downward in each connecting portion 32. On the other hand, a short cylindrical pin receiver 35 is provided on the upper surface of the support member 30 via a bracket 34, and a fixing bolt 36 is screwed into the pin receiver 35.

Therefore, the desired grooved pin 33 is inserted into the pin receiver 35, the fixing bolt 36 is screwed in, and the tip end thereof is engaged with the groove portion of the grooved pin 33, whereby the end of the width regulating member 7 is The part can be coupled to the support member 30.

Next, the operation of the embodiment of the present invention having the above construction will be described.

Since the vehicle carrier T is used only when the production of a new model is started, the hanger 5 _F , 5 _F ; 5 _R , 5 _R should be brought close to each other when not normally used as shown by the chain line in FIG. It is made compact and the space below it can be used effectively. That is, when the vehicle transporting device T is not used, the pair of width regulating members 7, 7 are removed, and the rear hangers 5 _R , 5 _R are moved to positions approaching the front hangers 5 _F , 5 _F. Of course, the front hangers 5 _F and 5 _F and the rear hangers 5 _R and 5 _R can be moved to any positions as needed, and the front hangers 5 _F and 5 _F can be changed to the rear hangers 5 _R and 5 _R. You may move to the position which approaches.

Prior to transferring the new model vehicle V onto the self-propelled carriage D, the following preparations are made in advance. That is, FIG.
In an assembly line L self-propelled truck D ... to flow in the direction of arrow a which carries the vehicle V of the old model as shown in, for example, sheet input station S ₁ and the window glass mounting station S ₂ self-propelled carriage D can stop The empty self-propelled carriage D is stopped at the place where the vehicle transport device T of the subsequent flow is installed.

When the above preparation is completed, the vehicle transfer device T is set in a usable state. First, the front hangers 5 _F and 5 _F and the rear hangers 5 _R and 5 _R are separated from each other by a predetermined distance, and they are connected to each other by a pair of width regulating members 7 and 7. At this time, an appropriate one is selected from each of the four grooved pins 33 provided on both ends of the width regulating members 7, 7 and inserted into the pin receivers 35 of the support member 30. 5 _F , 5 _F and rear hanger 5
The front-rear spacing of _R and 5 _R can be adjusted according to the size of the vehicle V.

[0025] Settings of the vehicle transporting device T as described above is completed, by operating the switch (not shown) each hanger 5 _F, 5 _F; extended driving the cylinder 22 ... of 5 _R, 5 _R, lift 26 are lowered to ground the support members 30. In this state, the vehicle V is self-propelled in the vehicle transport device T, the left and right front wheels are placed on the support members 30, 30 of the front hangers 5 _F , 5 _F , and the left and right rear wheels are placed on the rear hanger 5 _R. , 5 _R are mounted on the support members 30 and 30 and stopped, and the cylinders 22 are driven to contract to lift the vehicle V. Thus, by supporting the four wheels of the vehicle V, the vehicle V can be lifted in a stable posture.

Subsequently, the worker pushes the width regulating member 7, for example, to move the vehicle transport device T along the guide rails 1, 1 onto the empty self-propelled carriage D waiting on the assembly line L. At this time, since the carriage 2 is supported by the guide rails 1, 1 by the rollers 11, ..., The vehicle V can be moved to a position above the self-propelled carriage D only by pushing by one worker.

Subsequently, the cylinders 22 ... Are extended and driven to drive the vehicle.
Both Vs are lowered, and the vehicle V supported on the support member 30 ...
It is transferred to the self-propelled carriage D. Then, the vehicle equipped with the vehicle V
Place the carriage D into the seat loading station S₁And windga
Lath mounting station S₂Self-propelled towards
Station S₁, S₂Sheet loading robot R₁, R ₂
And wind glass mounting robot R₃, R₃The teach
Can be performed.

When the teaching is completed, the self-propelled carriage D equipped with the vehicle V is self-propelled to a position where the vehicle transport device T stands by, and the cylinders 22 are contractively driven to drive the vehicle V on the self-propelled carriage D to the vehicle transport device. It is transferred onto the T support members 30, 30. Then, the worker pushes the width regulating member 7, for example, to move the vehicle transport device T to the original position on the side of the assembly line L along the guide rails 1 and 1, and extends and drives the cylinders 22 ... By grounding the support members 30, 30, the vehicle V can travel by itself and escape from the vehicle transport device T.

As described above, by using the vehicle transport device T, the work of loading or unloading the vehicle V into or from the self-propelled carriage D can be safely and easily performed by only one worker.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above-mentioned embodiments, and various design changes can be made.

For example, although the dolly 2 is manually moved in the embodiment, it may be self-propelled by providing an appropriate drive source.
Further, the drive source of the lifting bodies 26 ... Is not limited to the cylinders 22 ...
It may be another drive source such as an electric motor. Further, instead of movably supporting both the front hangers 5 _F and 5 _F and the rear hangers 5 _R and 5 _R along the vertical beams 3 and 3, only one of them may be movably supported.

[0032]

As described above, according to the invention described in claim 1, the trolley is movably supported by the guide rails installed above the side of the assembly line and above the assembly line. A support member is provided at the lower end of the hanger that is suspended and supported at the bottom of the hanger so that the vehicle can be carried in or out of the assembly line by moving the carriage while supporting the vehicle on the support member and raising it. can do. As a result, the work of loading or unloading the vehicle from the side portion of the assembly line can be safely and easily performed by a small number of people.

According to the invention described in claim 2,
Since the carriage has multiple hangers and the distance between the hangers can be adjusted freely, not only can the vehicle transfer device be made compact when not in use, but the position of the support part can be adjusted according to the size of the vehicle. can do.

According to the invention described in claim 3,
A pair of left and right front hangers and a pair of left and right rear hangers are provided at the four corners of the carriage, and the front hanger support members support the left and right front wheels of the vehicle, and the rear hanger support members support the left and right rear wheels of the vehicle. As a result, the vehicle can be lifted in a stable state.

[Brief description of drawings]

FIG. 1 is a plan view of a vehicle assembly line.

FIG. 2 is an overall perspective view of a vehicle transport device.

FIG. 3 is a three-direction arrow view of FIG.

FIG. 4 is a four-direction arrow view of FIG.

5 is an enlarged view of a main part of FIG.

FIG. 6 is a view in the direction of arrows in FIG. 5;

FIG. 7 is a sectional view taken along line 7-7 of FIG. 6;

8 is a sectional view taken along line 8-8 of FIG.

9 is an enlarged view of part 9 of FIG.

10 is a sectional view taken along line 10-10 of FIG.

FIG. 11 is a perspective view of a joint portion of the width regulating member.

12 is a sectional view taken along line 12-12 of FIG.

[Explanation of symbols]

L Assembly line R ₁ , R ₂ Sheet loading robot (Automatic machine) R ₃ , R ₄ Wind glass mounting robot (Automatic machine) V Vehicle 1 Guide rail 2 Bogie 5 _F Front hanger (hanger) 5 _R Rear hanger (hanger) 30 Support member

Claims (3)

[Claims] 1. A vehicle (V) for carrying in or out of an assembly line (L) in which automatic machines (R _{1 to} R ₄ ) are arranged, in the vicinity of the automatic machines (R _{1 to} R ₄ ). A vehicle transporting apparatus, comprising a guide rail (1) installed from above a side portion of an assembly line (L) to above the assembly line (L), and a carriage (movably supported by the guide rail (1) ( 2)
And a hanger (5 _F , which is suspended and supported by the carriage (2),
5 _R ) and a support member (30) which is provided at the lower end of the hanger (5 _F , 5 _R ) and is vertically movable to support the vehicle (V). 2. A plurality of hangers (5 _F ,
5. The vehicle transfer apparatus according to claim 1, wherein 5 _R ) is provided and the distance between the hangers (5 _F , 5 _R ) is adjustable. 3. A pair of left and right front hangers (5 _F ) and a pair of left and right rear hangers (5 _R ) are provided at the four corners of the carriage (2), and the front hanger (5 _F ) support members (30) are provided. The vehicle transfer device according to claim 1, wherein the left and right front wheels of the vehicle are supported, and the left and right rear wheels of the vehicle are supported by the support member (30) of the rear hanger (5 _R ).