JPH07112653B2 - Motorcycle engine mounting jig - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a jig for mounting each engine when mounting a vehicle body frame on an engine in an assembly line of a motorcycle or the like.

(Prior Art) Conventionally, in a motorcycle assembly line, when mounting a vehicle body frame on an engine, an engine mounting jig capable of mounting each engine at a predetermined position and posture on a conveyance path such as a conveyor is used. After the transportation, the engine is mounted on the engine mounting jig in the middle of the transportation, the body frame transported on another transportation path is lifted by a crane or the like, and manually mounted on the engine mounting jig. After being mounted on an engine and further bolted to the engine and the vehicle body frame, they are conveyed to a post process together with the engine mounting jig. Then, in this case, when the vehicle body frames are mounted on a plurality of types of engines on the same conveyance path, the engine mounting jig is exchanged according to the type of the engine.

In addition, in this type of assembly line, from the viewpoint of workability such as assembling front and rear wheels in a post-process after the assembly work of the engine and the body frame, the engine is set in a vertical posture, that is, a body frame is mounted in the body frame. It is preferable to assemble the vehicle body and carry it to the subsequent process while maintaining its posture. However, in a certain engine, the vehicle body frame may not be assembled unless it is placed in the horizontal posture. In such a case, two types of engine mounting jigs, that is, an engine mounting jig for horizontal mounting and an engine mounting jig for vertical mounting are used, and when the engine and the body frame are assembled, , Mounting the engine on a horizontal engine mounting jig,
After completion of the assembling work, the engine is transferred together with the vehicle body frame to a vertical engine mounting jig and conveyed to a subsequent process.

However, since a plurality of engine mounting jigs are used according to the type of engine and its mounting posture in this way, a large space for storing these is required, and a work for replacing these is required. It took a lot of time and trouble to improve the efficiency of the assembly line.

In addition, using a plurality of engine mounting jigs in this way raises the manufacturing cost of these, and consequently hinders the reduction of the manufacturing cost of the motorcycle.

(Problems to be Solved) The present invention solves such inconveniences, allows mounting of a plurality of types of engines, and is capable of promptly responding to changes in the types and mounting postures of the engines. The purpose is to provide a jig.

(Means for Solving the Problem) In order to achieve such an object, the engine mounting jig for a motorcycle according to the present invention is a jig for mounting each engine when mounting a vehicle body frame on a plurality of types of engines of the motorcycle. A tool, which is hung from a base and a side surface of an upper portion of the base via a support shaft extending horizontally along the side surface, and is supported in a horizontal posture on the base around the support shaft. A plurality of engine mounting plates that are swingable to different positions, and a position that is fixed to each of the engine mounting plates that is an upper surface when the engine mounting plates are in a horizontal position and that allows mounting of each type of engine on the body frame. It is characterized by comprising an engine mounting portion mounted in an attitude.

Then, of the plurality of types of engines, the engine mounting portion that mounts the engine in the horizontal position and the body frame on the engine are mounted on the type of engine in which the vehicle frame can be mounted in the horizontal position. It is characterized by comprising a pair of the engine mounting plates to which the engine mounting portion for mounting the engine in a vertical position after being mounted is fixed.

Further, each of the engine mounting plates is detachably attached to the base, and the base is provided with a storage portion capable of storing each engine mounting plate.

(Operation) According to this means, when the vehicle body frame is assembled to the engine, the engine mounting plate having the engine mounting portion according to the type of the engine swings around the support shaft. The engine is moved and horizontally supported on the base, and in this state, the engine is mounted on the engine mounting portion at a position and posture in which the vehicle body frame can be mounted, and the mounting posture is maintained to the engine. The body frame is attached. Then, when assembling the vehicle body frame to another type of engine, another engine mounting plate corresponding to the type of the engine is horizontally supported on the base, and the vehicle body frame is attached to the engine in the same manner as above. It is installed.

Further, the engine mounting portion for mounting the engine in a horizontal position and the engine mounting portion for mounting the engine in a vertical position after the vehicle body frame is mounted on the engine are fixed. When the engine mounting plate is provided with a pair of the engine mounting plates, the body frame is set in a horizontal position on an engine mounting plate for horizontal mounting for an engine of a type in which the body frame can be mounted in a horizontal position. After mounting, the engine mounting plate for vertical installation is horizontally supported on the base instead of the engine mounting plate for horizontal installation, and the engine and the vehicle body frame are transferred so that these are placed in the vertical installation posture. It becomes possible to do.

Further, when each of the engine mounting plates is detachably attached to the base, and when the base is provided with an accommodating portion capable of accommodating each engine mounting plate, it is hung down on the side surface portion of the upper part of the base. In addition to a plurality of engine mounting plates, it is possible to store an engine mounting plate having an engine mounting portion corresponding to another type of engine in the storage portion, and a side surface of an upper portion of the base. It is possible to cope with more types of engines by exchanging the engine mounting plate that hangs down on the section and the engine mounting plate that is stored in the storage section as needed.

(Example) An example of an engine mounting jig for a motorcycle according to the present invention will be described with reference to FIGS. 1 to 4. FIG. 1 is an explanatory perspective view of an essential part of an assembly line for a motorcycle constructed using the engine mounting jig, and FIGS. 2 and 3 are front and perspective views of the engine mounting jig, respectively. FIG. 4 is a perspective view showing a state where the engine is mounted on the engine mounting jig.

In FIG. 1, 1 is an engine mounting jig, A is a circulating low floor type roller conveyor, and the engine mounting jig 1 is circulated and conveyed on the roller conveyor A. In the middle of the roller conveyor A, an engine mounting station Xa for hoisting each engine B, which is conveyed by a conveyor or the like in the basement (not shown), and mounting it on the engine mounting jig 1 by a crane C
And a frame assembly station Xb for assembling the vehicle body frame E conveyed on the conveyor D to the engine B, and a rear fork G conveyed on the conveyor F to the vehicle body frame E assembled to the engine B. Rear fork assembly station Xc to attach, engine B, body frame E
And a delivery station for lifting the assembly of the rear fork G by the overhead conveyor H and delivering it to the subsequent process.
Xd and the engine mounting jig 1 is installed at each station.
It is stopped in order from Xa to Xd.

The engine mounting jig 1 is, as shown in FIGS. 2 and 3,
A substrate 5 including a lower horizontal substrate 2 and a rectangular upper horizontal substrate 4 fixed on a column 3 standing on the lower horizontal substrate 2, and a plurality of substantially rectangular engine mounts. A plate 6 is provided and is supported on the roller conveyor A via the lower horizontal substrate 2 of the base 5 as shown in FIG. 1 and conveyed on the conveyor A.

A pair of movable side hinges 7, 7 are integrally provided on one side surface of each engine mounting plate 6, and correspondingly, a pair of fixed side hinges 8, 7 are provided on both side surfaces of the upper horizontal substrate 4, respectively. 8 is fixed. Then, of the engine mounting plates 6, for example, two engine mounting plates 6a and 6b engage the movable side hinge portions 7 and 7 and the fixed side hinge portions 8 and 8, respectively, and upper horizontal It is hung from the side surface portion of the upper horizontal substrate 4 via hinge pins 9 and 9 which are a pair of support shafts fitted along the side surface of the substrate 4, and is horizontally placed on the upper horizontal substrate 4 as shown by the phantom line in FIG. It is swingable around the hinge pins 9, 9 to a supported position. In this case, each hinge pin 9 is inserted into and removed from the movable side hinge portion 7 and the fixed side hinge portion 8 of each set, and the engine mounting plates 6a and 6b are respectively inserted into the pair of hinge pins 9 and 9. It can be removed by removing 9.

In addition, a pair of positioning bodies 10, 10 are fixedly provided on the front and rear portions of the upper horizontal substrate 4, respectively.
When the engine mounting plates 6a, 6b are swung to the position where they are horizontally supported on the upper horizontal substrate 4 as described above,
As indicated by the phantom line in the figure, the front and rear surfaces of the engine mounting plates 6a, 6b are brought into contact with each other to position the engine mounting plates 6a, 6b.

A pair of accommodating portions 11, 11 capable of accommodating each engine mounting plate 6 are provided on both side portions of the support column 3 of the base 5. Each of the accommodating portions 11 is composed of a pair of guide bodies 12 and 12 fixed to the side surface portions of the support column 3 so as to face each other in the vertical direction, and the engine mounting plate 6 can be fitted between them in the horizontal direction. A guide groove 13 is formed extending to. And the engine mounting plate 6
Among them, for example, two engine mounting plates 6c and 6d are vertically inserted into the guide grooves 13 of the respective storage parts 11 as shown in the second illustration, and are thereby stored in the respective storage parts 11. There is.

In this case, the engine mounting plates 6c, 6d are the same as the engine mounting plates 6a, 6b when the engine mounting plates 6a, 6b are removed from the upper horizontal board 4 as described above. It can be attached to the horizontal substrate 4, and at this time, the engine mounting plates 6a and 6b can be housed in the respective housing portions 11.

Each engine mounting plate 6 is provided with an engine mounting portion 14 fixed to a surface portion which is an upper surface when the engine mounting plate 6 is horizontally supported on the upper horizontal base 4 as described above.

In this case, the engine mounting portion 14 of each engine mounting plate 6 is
With the engine mounting plate 6 horizontally supported on the upper horizontal base 4, for example, the different types of the engines B capable of mounting the vehicle body frame E in the vertical posture can be mounted in the vertical posture. For example, the engine mounting portion 14 of the engine mounting plate 6a is adapted to mount an engine B of a type corresponding thereto in a vertical position, as shown in FIG.

In FIGS. 2 and 3, reference numeral 15 denotes a receiving jig for supporting the rear fork G assembled to the vehicle body frame E. The receiving jig 15 includes a pair of guide members 16 and 1 fixed to the lower surface of the front portion of the upper horizontal substrate 4 so as to face each other.
6, a horizontal slide plate 18 inserted into a guide groove 17 formed between the guide bodies 16 and 16 so as to be drawn out, and a receiving portion 20 supported on the slide plate 18 via a cushion spring 19. The rear fork G is supported on the receiving portion 20 in a state where the slide plate 18 is pulled out from the guide groove 17 as shown in phantom in FIG.

Next, the operation of the engine mounting jig 1 will be described with reference to FIGS. 1 and 4.

For example, when assembling the vehicle body frame E and the rear fork G to an engine B of a type corresponding to the engine mounting portion 15 of the engine mounting plate 6a, the engine mounting plate 6a is previously described. As shown in FIG. 4, it is horizontally supported on the upper horizontal substrate 4 of the base 5, and in this state, the engine mounting jig 1 is circulated and conveyed on the roller conveyor A, and the stations Xa to Xd will be stopped sequentially.

At this time, first, at the engine mounting station Xa,
The engine B is vertically mounted on the engine mounting portion 15 of the engine mounting plate 6a by the worker through the crane C, and then the body frame E is mounted by the worker at the frame frame assembly station Xb. The slide plate of the receiving jig 15 is mounted on the engine B and assembled.
18 is pulled out.

Next, at the rear fork assembly station Xc, the operator mounts the rear fork G on the vehicle body frame E and is supported by the receiving jig 15, and thereafter, the engine B, the vehicle body frame E and the rear fork G are supported.
The assembled product is detached from the engine mounting jig 1 and dispensed by the overhead conveyor H at the dispensing station Xd. After the payout, the engine mounting jig 1 is transported to the engine mounting station Xa for mounting the engine B again, and is repeatedly used for heel work.

Then, instead of the engine B in the above-mentioned assembly work,
For example, when the vehicle body frame E and the rear fork G are assembled to the engine B corresponding to the engine mounting portion 14 of the engine mounting plate 6b, the engine mounting plate 6a is mounted on the upper horizontal substrate 4. After swinging from the above to the original hanging posture, for example, by swinging the engine mounting plate 6b to horizontally support it on the upper horizontal substrate 4, the body frame E and the rear fork G are exactly the same as above. Assembly work is performed.

Further, for example, the engine mounting portion of the engine mounting plate 6c
When assembling the body frame E and the rear fork G to the engine B corresponding to 14, the engine mounting plates 6a, 6
Remove one side of b and insert the engine mounting plate 6c into the storage part 11
From the engine mounting plate 6a or 6c
While the engine mounting plate 6c is mounted on the upper horizontal substrate 4 and supported horizontally on the upper horizontal substrate 4 while storing the vehicle body E in the same manner as described above.
And the assembling work of the rear fork G is performed.

As described above, according to the engine mounting jig 1, the above-described assembly is performed on the plurality of types of engines B only by replacing the engine mounting plate 6 that is horizontally supported on the upper horizontal base 4 of the base 5. You can do the work. When replacing the engine mounting plate 6 that is horizontally supported on the upper horizontal base 4, in particular, the engine mounting plate that is hung from the upper horizontal substrate 4 is replaced.
6a and 6b can be easily exchanged by simply swinging them.

The plurality of engine mounting plates 6a, 6b corresponding to the plurality of types of engines B are not only replaceably attached to the upper horizontal base 4 at positions on the upper horizontal base 4, but also in the storage section 11. The engine mounting plates 6c and 6d corresponding to other types of engines B are housed, and each engine mounting plate 6 is placed on the upper horizontal base 4
Since the engine mounting plates 6a, 6b and the engine mounting plates 6c, 6d can be detachably attached to the engine, it is possible to support various types of engines B. Also, the exchange can be easily performed only by removing and inserting the hinge pin 9.

In addition, the engine mounting plates 6a and 6b are hung on the upper horizontal base 4, and the engine mounting plates 6c and 6d are held in the vertical posture.
By being housed in 1, the engine mounting jig 1 has a relatively small configuration.

Next, in the line shown in FIG. 1, the configuration and operation of the engine mounting jig 1 for an engine B of a type capable of mounting the vehicle body frame E in a horizontal position will be described with reference to FIGS. 1 to 3. .

In this case, of the engine mounting plate 6, for example, the engine mounting portion 14 of the engine mounting jig 6a and the engine mounting portion 14 of the engine mounting jig 6b are respectively connected to the engine B.
Is formed so that it can be mounted in a horizontal posture and a vertical posture.

When the vehicle body frame E and the rear fork G are assembled, first, the engine mounting jig 6a is attached to the upper horizontal base 4
The engine B is mounted in a horizontal posture on the engine mounting portion 14 of the engine mounting jig 6a in a state of being horizontally supported above, and in this state, the body frame E is mounted and assembled. . Then, the engine B and the body frame E are lifted from the engine mounting plate 6a by a crane or the like not shown, and in this state, the mounting plate 6b is placed on the upper horizontal substrate 4 on the engine instead of the engine mounting plate 6a. The engine B is horizontally supported, and the engine B is mounted vertically with the vehicle body frame E on the engine mounting portion 14 of the engine mounting jig 6b, and then the rear fork G is mounted in the same manner as described above. And pay out.

In this embodiment, since the roller conveyor A is of a low floor type, an operator can freely move in and out of the roller conveyor A, which is suitable for assembly work of the vehicle body frame E and the like. It can be done in a posture.

(Effect) As is apparent from the above description, according to the engine mounting jig of the motorcycle of the present invention, the engine mounting jig that mounts the engine in a position and posture in which the vehicle body frame can be mounted according to the type of the engine mounting jig. A plurality of engine mounting plates provided with parts are swingably hung on a side surface of an upper portion of a base via a support shaft, and an engine corresponding to each engine when mounting a vehicle body frame on each type of engine. The mounting plate is oscillated around the support shaft to be horizontally supported on the base, and in this state, the engine is mounted on the engine mounting portion of the engine mounting plate to mount the vehicle body frame. By doing so, the work of assembling the vehicle body frame to a plurality of types of engines can be performed using the engine mounting jig.

Since the engine mounting plates can be horizontally supported on the base simply by swinging the engine mounting plates, it is possible to quickly and easily cope with a change in the type of engine to which the vehicle body frame is to be assembled.

Furthermore, by hanging each engine mounting plate on the side surface of the upper part of the base, the structure of the engine mounting jig can be made relatively small.

Further, when a pair of engine mounting plates each having an engine mounting portion for mounting the engine in a horizontal position and an engine mounting portion for mounting the engine in a vertical position are fixedly mounted, For an engine of a type in which a body frame can be mounted, after the vehicle body frame is assembled in a state where the engine is in a horizontal position on an engine mounting plate for a horizontal position, the engine mounting plate is mounted on a base. By replacing the engine with that for the vertical posture and transferring the engine, the engine and the vehicle body frame can be quickly brought to the vertical posture suitable for work such as assembling front and rear wheels in a post process. .

Furthermore, when each engine mounting plate is removably attached to the base and a storage portion capable of storing each engine mounting plate is provided in the base, the storage portion corresponds to another type of engine. If the engine mounting plate is stored, by replacing the engine mounting plate suspended from the base with the engine mounting plate stored in the storage section, it is possible to support more types of engines. .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory perspective view of a main part of an assembly line of a motorcycle constructed by using an example of an engine mounting jig for a motorcycle of the present invention, FIGS. 2 and 3. Is a front view and a perspective view of the engine mounting jig, and FIG. 4 is a perspective view showing a state in which an engine is mounted on the engine mounting jig. 1 ... Engine mounting jig, 5 ... Base 6 ... Engine mounting plate, 9 ... Support shaft (hinge pin) 11 ... Storage part, 14 ... Engine mounting part B ... Engine, E ... … Body frame

Claims (3)

[Claims] 1. A jig for mounting each engine when a vehicle body frame is mounted on a plurality of types of engines of a motorcycle, the jig including a base and a side surface of an upper portion of the base along the side surface. A plurality of engine mounting plates suspended from a horizontally extending support shaft and swingably provided around the support shaft to a position supported on the base in a horizontal posture, and each engine mounting plate. An engine mounting part for a motorcycle, comprising: an engine mounting part that is fixedly mounted on a surface part that is an upper surface when the plate is in a horizontal position, and that mounts each type of engine in a position and position where the body frame can be mounted. Jig jig. 2. Among the plurality of types of engines, for the type of engine to which the body frame can be mounted in a horizontal position,
A pair of the engine mounting portion for mounting the engine in a horizontal position and the engine mounting portion for mounting the engine in a vertical position after the vehicle body frame is mounted on the engine, respectively. The engine mounting jig for a motorcycle according to claim 1, further comprising: the engine mounting plate. 3. The engine mounting plates are removably attached to the base, and the base is provided with an accommodating portion capable of accommodating the engine mounting plates. The motorcycle engine mounting jig described.