JP4170175B2 - Engine mounted device - Google Patents

Description

  The present invention relates to an engine mounting device used for mounting an engine (engine unit) on a vehicle body in a vehicle production line, for example.

  As a conventional engine mounting apparatus, as shown in FIG. 6, a main line 4 that continuously conveys the vehicle body 1 before and after the engine unit (not shown) is mounted, and a part of the main line 4 extends along the main line 4. The engine mounting line 15 configured so that the mounting carriage 13 holding the engine unit is transported by the loop conveyor 14, and the engine unit held by the mounting carriage 13 of the engine mounting line 15 in the main line 4 A mounting station 16 for mounting on the vehicle body 1 to be transported, an engine unit preparation line 18 that is disposed so as to partially extend along the engine mounting line 15 and that transports a preparation carriage 17 holding the engine unit, The engine unit held on the preparation carriage 17 of the engine unit preparation line 18 is There is provided with a transfer station 19 for transferring the mounting carriage 13 Gin mounting line 15.

  In the engine mounting apparatus configured as described above, the engine unit is assembled on the engine unit preparation line 18 and placed on the preparation carriage 17, and the engine unit placed on the preparation carriage 17 at the transfer station 19 is connected to the engine mounting line 15. Further, the engine unit mounted on the mounting carriage 13 of the engine mounting line 15 is lifted by a lifter (not shown) at the mounting station 16, and the vehicle body of the main line 4 is transferred from the mounting carriage 13 to the mounting line 16. The engine unit is delivered to 1.

  However, the engine mounting apparatus configured as described above requires a large installation space for providing the engine mounting line 15, the mounting station 16, the engine unit preparation line 18 and the transfer station 19.

  In addition, the engine mounting apparatus requires equipment for adjusting the vehicle body 1 transported through the main line 4 and the mounting carriage 13 transported through the engine mounting line 15 to be synchronized (tuned). In some cases, the installation space is further increased.

  Further, the engine mounting device must be attached to each mounting carriage 13 with a hydraulic or electric lifter for lifting and transferring the engine unit to the vehicle body 1 of the main line 4, and the entire device is very expensive. There was also a problem of becoming.

  The present invention has been made in consideration of the above-described matters, and an object thereof is to provide a compact and inexpensive engine mounting device.

In order to achieve the above object, an engine mounting apparatus according to the present invention has a mounting base that moves in the vertical direction while holding the engine unit, and a mounting carriage for mounting the engine unit on the vehicle body, and the engine unit mounting A part of the mounting line along the main line that continuously transports the vehicle body before and after loading, to move the loading carriage along the loading line, and to move the loading carriage along the loading line and lift the mounting table of a single drive carriage for supplying a driving force to the mounting carriage, configured to perform the assembly of the engine unit on the loop conveyor further to near the downstream end from the vicinity of the upstream end of the drive carriage mounted line Are configured to reciprocate between the two (claim 1).
Further, from another viewpoint, the present invention has a mounting table that moves in the vertical direction while holding the engine unit, and a mounting carriage for mounting the engine unit on the vehicle body, and a vehicle body before and after the engine unit is mounted It has a loading line along the main line that continuously conveys the load, a loop conveyor that conveys the loading carriage, and a driving force that moves along the loading line with the loading carriage and lifts the loading carriage. A plurality of drive trolleys to be supplied to the engine unit and configured to assemble the engine unit on a loop conveyor, and further circulate the plurality of drive trolleys in order from the upstream end of the mounting line to the vicinity of the downstream end. An engine mounting device is provided that is configured to be moved to the right side (Claim 2).

Preferably, the loop conveyor has a drive conveyor that moves the loading carriage from the upstream end to the downstream end of the loading line, and is indirectly connected by the loop conveyor by moving the loading carriage on the loading line by the drive conveyor. All the mounted carriages are moved (claim 3 ).
In the present invention, it is preferable that the drive conveyor is configured such that the loading carriage conveys the loading carriage at the same speed and the same pitch as the mainline body, and the loading carriage flows through the loading line in synchronization with the mainline body. (Claim 4).
In the present invention, it is preferable that the mounting table is connected to an arm that rotates about a horizontal axis, and that the mounting table moves up and down as the arm rotates. (Claim 5).

  In the invention having the above-described configuration, a compact and inexpensive engine mounting device can be provided.

That is, in the inventions according to claims 1 and 2 , the engine unit preparation line is not used instead of providing the engine unit preparation line and the engine mounting line and using the preparation carriage and the mounting carriage as in the conventional engine mounting apparatus described above. And the engine mounting line are configured with only one line, and the carriage that combines the functions of both the preparation carriage and the installation carriage is used. Obtainable.

  In addition, it is configured so that the driving cart moves in parallel with the loading cart flowing through the loading line, and the driving force for lifting the mounting table holding the engine unit is supplied from the driving cart to the loading cart. Unlike the mounting device, it is not necessary to provide a lifter for each mounting carriage, and an engine mounting device that can be manufactured at a lower cost is obtained.

And in the invention which concerns on Claim 3 , since it has comprised so that all the mounting trolleys may be moved by the drive conveyor which moves the mounting trolley | bogie on a mounting line from the upstream end of a mounting line to a downstream end, engine mounting apparatuses are It will be simpler and cheaper.

  1 to 5 show an embodiment of the present invention.

  As shown in FIG. 1, an engine mounting apparatus D according to the present invention includes a mounting carriage 3 for mounting an engine unit 2 (see FIGS. 3A and 3B) on a vehicle body 1, and before the engine unit 2 is mounted. A loop conveyor 6 for transporting a plurality of (8 in this embodiment) mounting carts 3, which has a mounting line 5 along a main line 4 for continuously transporting the mounted vehicle body 1; The unit 2 is assembled on the loop conveyor 6.

Further, as shown in FIG. 2, the engine mounting device D moves along with the mounting line 3 along with the mounting cart 3, and the driving force for lifting the mounting table 8 (described later) of the mounting cart 3 is applied to the mounting cart 3. One drive carriage 7 is provided.

  As shown in FIGS. 3A and 3B, the engine unit 2 includes, for example, an engine 2a and a chassis 2b provided at a portion of the vehicle body 1 to which the engine 2a is attached. The engine 2a is a vehicle engine such as a gasoline engine or a diesel engine.

  As shown in FIGS. 3A and 3B, the mounting carriage 3 has a mounting base 8 that moves in the vertical direction while holding the engine unit 2. An arm 9 that rotates about a horizontal axis is connected to the mounting table 8, and the mounting table 8 moves up and down as the arm 9 rotates. Moreover, although not shown in figure, the mounting cart 3 has members, such as a guide rod, for guiding the mounting base 8 which moves up and down.

  Further, as shown in FIG. 4, the mounting carriage 3 has a plurality of (four in this embodiment) wheels 10 at the lower portion thereof, and is configured to be easily moved. In FIG. 4, the mounting cart 3 having the mounting table 8 and the mounting cart 3 not having the mounting table 8 are shown, but in reality, all the mounting carts 3 each have the mounting table 8.

  The mounting line 5 is formed in a substantially straight line, and the engine mounting apparatus D of this embodiment starts lifting the engine unit 2 held by the mounting carriage 3 at the upstream end of the mounting line 5 and at the downstream end. The engine unit 2 is configured to be mounted on the vehicle body 1. In other words, in the mounting line 5, one process of mounting the engine unit 2 on the vehicle body 1 is repeatedly and continuously performed.

  The loop conveyor 6 is, for example, a floor-type tow conveyor provided in a loop shape, and a chain conveyor to which an attachment (not shown) for hooking a tow pin (not shown) provided on the mounting carriage 3 is attached. It is constituted by.

  Further, as shown in FIG. 2, the loop conveyor 6 has a drive conveyor 11 in the vicinity of the mounting line 5 that sends the mounting carriage 3 coming to the upstream end of the mounting line 5 to the downstream end of the mounting line 5. .

  Specifically, the drive conveyor 11 is provided with locking portions (not shown) that are locked to the locked portions 3a provided on the respective carriages 3 at appropriate intervals. Then, it is locked to the locked portion 3 a of the mounting carriage 3 coming to the upstream end of the mounting line 5, and the mounting carriage 3 is sent to the downstream end of the mounting line 5 as the drive conveyor 11 rotates. . Then, all the loading carts 3 indirectly connected by the loop conveyor 6 are sent in a predetermined direction, and when one loading cart 3 in the loading line 5 moves to the downstream end side to some extent by the drive conveyor 11, The next mounting cart 3 on the rear side of the mounting cart 3 is moved to the upstream end of the mounting line 5, and the locking portion of the drive conveyor 11 is locked to the locked portion 3 a of the mounting cart 3. Thus, the same operation as described above is repeated. That is, each mounted carriage 3 is continuously conveyed on the loop conveyor 6 without interruption by driving of the drive conveyor 11.

  The drive conveyor 11 conveys the mounting carriage 3 at the same speed and the same pitch as the vehicle body 1 on the main line 4, and the mounting carriage 3 flows through the mounting line 5 in synchronization with the vehicle body 1 on the main line 4. It is configured as follows.

  As shown in FIGS. 5 (A) and 5 (B), the drive carriage 7 has a plurality of (four in this embodiment) wheels 12 in the lower part, and moves the mounting line 5 by a guide (not shown). It is configured to move from the upstream end to the downstream end of the mounting line 5 side by side with the mounting carriage 3 at a certain interval.

  Further, the drive carriage 7 has a power supply unit 7 a as means for supplying a drive force for lifting the mounting table 8 to the installation carriage 3. Specifically, the arm 9 of the carriage 3 has a geared motor (not shown) speed reducer in which an electric motor and a speed reducer (for example, a mechanical speed reduction device made up of gears and a belt) are integrated (unitized). The power supply unit 7a of the drive carriage 7 is detachably connected to the motor of the geared motor.

  Further, the drive carriage 7 moves from the upstream end of the mounting line 5 to reach the downstream end, and then reversely rotates the wheel 12 by a driving means (for example, a motor) (not shown) to return to the upstream end of the mounting line 5. It is configured as follows.

  Next, the operation of the engine mounting device D will be described.

  First, the engine 2 a and the chassis 2 b transferred to the mounting carriage 3 at the transfer station (not shown) on the loop conveyor 6 are assembled as the engine unit 2. Thereafter, the mounting carriage 3 holding the engine unit 2 is conveyed by the loop conveyor 6 and reaches the upstream end of the mounting line 5.

  And when one mounting cart 3 reaches the upstream end of the mounting line 5, the driving cart 7 is also configured to be located near the upstream end of the mounting line 5, and reaches the upstream end of the mounting line 5. The power supply unit 7 a of the driving carriage 7 is connected to the geared motor of the mounting carriage 3, and the driving carriage 7 is connected to the mounting carriage 3.

  Subsequently, the loading carriage 3 is moved toward the downstream end of the loading line 5 by the driving conveyor 11, and the driving carriage 7 connected to the loading carriage 3 is moved accordingly. During this movement, power is supplied from the power supply unit 7a of the driving carriage 7 to the geared motor of the mounting carriage 3, and the arm 9 is rotated by this power supply, and the mounting table 8 holding the engine unit 2 is appropriately Can be lifted up to

  Thereafter, the engine unit 2 is mounted (assembled) on the vehicle body 1, thereby completing the mounting of the engine unit 2.

  On the other hand, when the mounting cart 3 reaches the downstream end of the mounting line 5 and delivers the engine unit 2 to the vehicle body 1, the driving cart 7 connected to the mounting cart 3 is disconnected from the mounting cart 3, and again the mounting line 5 Return to the vicinity of the upstream end at high speed. The mounting carriage 3 from which the driving carriage 7 is separated is sent again to a transfer station (not shown), and the engine 2a and the chassis 2b are received at the transfer station, and the above operation is repeated.

  This embodiment can be variously modified. For example, by providing a plurality of drive trolleys 7 instead of one, a single drive trolley 7 is not reciprocated between the vicinity of the upstream end of the mounting line 5 and the vicinity of the downstream end, but a plurality of drive trolleys 7 are provided. May be circulated to sequentially move from the vicinity of the upstream end of the mounting line 5 to the vicinity of the downstream end. In this case, it is not necessary to provide drive means for returning the drive carriage 7 from the vicinity of the downstream end of the mounting line 5 to the vicinity of the upstream end, and the manufacturing cost of the drive carriage 7 can be further reduced.

It is a top view which shows roughly the structure of the engine mounting apparatus which concerns on one Example of this invention. It is explanatory drawing which shows the structure of the said engine mounting apparatus roughly. (A) And (B) is the side view and front view which show schematically the structure of the mounting trolley | bogie in the said Example. It is a perspective view which shows roughly the structure of the loop conveyor and mounting trolley | bogie in the said Example. (A) is a side view schematically showing the configuration of the mounting cart and the driving cart in the embodiment, and (B) is a front view schematically showing the configurations of the mounting cart and the driving cart in the embodiment. It is explanatory drawing which shows the structure of the conventional engine mounting apparatus roughly.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car body 2 Engine unit 3 Mounted carriage 4 Main line 5 Mounted line 6 Loop conveyor 7 Drive carriage 8 Mounting base D Engine mounting apparatus

Claims (5)

It has a mounting table that moves up and down while holding the engine unit, and it follows a mounting carriage for mounting the engine unit on the vehicle body and a main line that continuously conveys the vehicle body before and after the engine unit is mounted. A loop conveyor that has a loading line in part and conveys the loading carriage, and a single driving carriage that moves with the loading carriage along the loading line and supplies the loading carriage with a driving force for lifting the loading carriage. An engine unit is assembled on a loop conveyor , and the drive carriage is reciprocated from near the upstream end to the downstream end of the mounting line. On-board equipment. It has a mounting table that moves up and down while holding the engine unit, and it follows a mounting carriage for mounting the engine unit on the vehicle body and a main line that continuously conveys the vehicle body before and after the engine unit is mounted. A loop conveyor that has a loading line in part and conveys the loading carriage, and a plurality of driving carriages that move with the loading carriage along the loading line and supply driving force to lift the loading carriage to the loading carriage. And configured to assemble the engine unit on a loop conveyor , and further circulate the plurality of drive carts to sequentially move from the vicinity of the upstream end of the mounting line to the vicinity of the downstream end. An engine-mounted device characterized by The loop conveyor has a drive conveyor that moves the loading cart from the upstream end to the downstream end of the loading line, and moves all the loading carts on the loading line by the drive conveyor so that they are indirectly connected by the loop conveyor. engine mounting according to claim 1 or 2 configured to move the mounting carriage. The drive conveyor is configured so that the loading carriage transports the loading carriage at the same speed and the same pitch as the mainline body, and the loading carriage flows through the loading line in synchronization with the mainline body. The engine mounting device according to the above. The mounting table is connected to an arm that rotates about a horizontal axis, and is configured to move up and down as the arm rotates. The engine-mounted device described.

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