JP2867762B2 - Internal combustion engine inspection equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case where a performance test is performed on an internal combustion engine before being incorporated into a vehicle body, for example, in an automobile assembly plant. The present invention relates to an inspection system for an internal combustion engine, which is used for performing a sensory test (for example, by directly listening) of a test.

[0002]

2. Description of the Related Art Conventionally, as a facility of this type, a configuration as disclosed in, for example, Japanese Patent Application Laid-Open No. 2-126131 has been provided. That is, a first test device for an internal combustion engine is provided at a plurality of circumferential positions on a turntable, a carry-in route and a carry-out route for the internal combustion engine are provided outside the turntable, and a second test device is provided on a side portion of the carry-out route. There is provided a turntable type provided with a test chamber having the following.

According to this conventional type, the internal combustion engine is carried into the first test device on the turntable from the carry-in path, the internal combustion engine is warmed up, the operation conditions are adjusted, and then the operation is stopped. After removing the internal combustion engine from the turntable to the carry-out path, the engine is put into a test room, and the internal combustion engine is operated again in this test room to measure abnormal noise and vibration, and to collect data during operation.

[0004]

According to the above-mentioned conventional type, the measurement of abnormal noise and vibration due to the sensuality of the operator can be suitably performed in a state of being isolated in the test room. However, since the work of putting the internal combustion engine into the test room from the unloading path and the work of transferring the internal combustion engine from the test room to the unloading path are performed by a common transfer device, sufficient transfer work time must be secured, and efficiency is reduced. I can't do a good job. Further, since the transport state (flow) of the internal combustion engine on the carry-out path is not known, the measurement (inspection) must be performed according to a predetermined manual within a predetermined time, and therefore, depending on the internal combustion engine, the measurement time is not sufficient. May be sufficient.

An object of the present invention is to efficiently supply and take out the internal combustion engine to and from the inspection device, and to change the inspection time for the internal combustion engine arbitrarily according to the transport state (flow) of the internal combustion engine. Another object of the present invention is to provide an inspection system for an internal combustion engine.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, an inspection apparatus for an internal combustion engine according to the present invention is an inspection apparatus for performing a sensory inspection on an operating internal combustion engine, and comprises an inspection room formed in an enclosure. an inspection device arranged to, vibration before and after the test device
The entrance wall and the exit passage that can be opened and closed
And a supply conveyor for the internal combustion engine disposed in front of the carry-in passage , and the supply conveyor and the inspection device are provided.
The carry-in side autonomous guided vehicle between the provided provided extraction portion of the internal combustion engine to the rear of the conveyor passage Rutotomoni, the internal combustion engine
An unloading-side self-propelled trolley is installed between the take-out unit and the inspection device.
In addition , the supply conveyor is configured to be capable of storing a plurality of internal combustion engines, and an operation unit that supplies the internal combustion engine from the supply conveyor to the inspection device via the loading-side self-propelled trolley by confirming the storage amount is provided in the inspection room. Provided.

[0007]

According to the configuration of the present invention, the internal combustion engines on the supply conveyor are sequentially stored in a front-loading manner. The internal combustion engine from this supply conveyor is transported via a carry-in self-propelled truck.
Can be delivered to an inspection device in the inspection room. In the inspection room, inspections such as noise, vibration, responsiveness, and leaks of various parts are performed by sensory inspection (such as direct listening). At that time,
The inspection room will position both self-propelled vehicles outside the enclosure,
A closed state is obtained by closing both passages. The internal combustion engine on the test device has finished the inspection, the carry-out side the self-propelled truck
It moves linearly to the side opposite to the supply side via the supply side and is delivered to the internal combustion engine take-out part.

[0008] Such a sensory test is not always performed in a fixed time, but is performed in a sufficient time for each internal combustion engine in accordance with the storage condition on the supply conveyor.
That is, at the end of the intended inspection, the worker in the inspection room visually checks the number of storages on the supply conveyor,
When the number is small, more elaborate inspection is continued. Also when many storage number by operating the operation unit, the internal combustion engine on the test device, with transfer to <br/> engine extraction unit through the carry-out side autonomous guided vehicle, the head of the internal combustion engine on the feed conveyor, What is necessary is just to transfer to an inspection apparatus via a carrying-in side self-propelled trolley .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In this embodiment, the internal combustion engine 1 is handled via the pallet 2.

Reference numeral 8 denotes an adjusting device for receiving the internal combustion engine 1 (pallet 2) and adjusting operating conditions. An upstream transfer device 10 for transferring the internal combustion engine 1 from the adjusting device 8 includes a carry-in conveyor 11 and a carry-in conveyor 11. It is composed of a sorting turntable 12 facing the end of the conveyor 11, and a pair of sorting conveyors 13 having a start end facing the turntable 12.

An inspection device 15 for performing a sensory inspection on the internal combustion engine 1 from the upstream transfer device 10 is provided in an inspection room 22 formed by the enclosure 21. That is, a pair of supply conveyors 23 whose start ends face each other and are parallel to each other are provided on the end side of the sorting conveyor 13. The surrounding wall body 21 is provided outside the terminal ends of the two supply conveyors 23, and a pair of inspection chambers 22 are provided by a middle partition body 24.

A carry-in passage 25 and a carry-out passage 26 are formed in the surrounding wall 21 separately before and after the inspection device 15. Here, the carry-in passage 25 faces the end of the supply conveyor 23,
And an opening / closing door 27. The carry-out passage 26 also has an opening / closing door 28. The inspection device 15 comprises a main body (bench) 16, a support portion 17 provided on the main body 16 and a control portion 18, and the main body 16 is disposed in a pit 19 formed on the floor surface. The upper surface is flush with the floor surface.

The end of the supply conveyor 23 and the inspection device
A transfer-side self-propelled vehicle 29 equipped with a transfer device is provided between one side and the outside of the support portion 17 in 15.
29 is supported and guided by a rail 30 disposed through a carry-in passage 25, and can reciprocate. An unloading-side self-propelled trolley 31 equipped with a transfer device is provided between the other side outside of the support portion 17 and an internal combustion engine take-out portion (described later) disposed behind the unloading passage 26. The unloading-side self-propelled carriage 31 is supported and guided by a rail 32 disposed through the unloading passage 26, and is able to reciprocate freely. Here, both rails 30 and 32 are arranged in a groove formed on the floor surface, and the upper surface thereof is flush with the floor surface.

A plurality of the supply conveyors 23 (3 in the embodiment)
The internal combustion engine 1 is configured to be capable of storing, and a detection device 33 for the number of storages is provided. The inspection room 22 has a display unit 34 for displaying the detection by the detection device 33, and an operation unit (driving unit) for operating both self-propelled vehicles 29, 31 after visually confirming the number of storages on the display unit 34. Buttons, etc.) 35 are provided.

A downstream conveyor 40 for conveying the internal combustion engine 1 from the inspection device 15 is provided with an unloading conveyor 41 disposed with its side facing the end of the traveling path of one unloading self-propelled vehicle 31.
And the starting end of the unloading conveyor 41 and the other unloading side self-propelled carriage
A turntable 42 facing the end of the 31 traveling route,
The transport conveyor 43 is orthogonally connected to the end of the unloading conveyor 41, and the unloading conveyor 41 and the turntable 42 serve as the internal combustion engine take-out unit described above. With the unloading conveyor 41 and the turntable 42 inside, a defective product discharging device 44 is disposed on the opposite side of the traveling path of the unloading side self-propelled carriage 31, and a draining device 45 is installed in the unloading conveyor 41. Is arranged.

The internal combustion engine test operation in the above embodiment will be described below. The internal combustion engine 1 supported on the pallet 2
After adjustment of operating conditions such as idle adjustment, ignition timing adjustment and exhaust gas adjustment in the adjusting device 8, it is transferred to the upstream transfer device 10. That is, the internal combustion engine 1 is conveyed by the carry-in conveyor 11 in the upstream conveying device 10 and is divided by the turntable 12 into the right and left sorting conveyors 13.

From the sorting conveyor 13, the supply conveyor
The internal combustion engine 1 moved to 23 is sequentially stored on the supply conveyor 23 in a front-loading manner. Then, the stored internal combustion engine 1 is detected by the detection device 33, and the detection state is displayed on the display unit 34. At this time, the inspection of the internal combustion engine 1 is performed by the inspection device 15 in the inspection room 22,
The two self-propelled trolleys 29 and 31 are located outside the surrounding wall 21, and the two passages 25 and 26 are closed by doors 27 and 28.

In the inspection room 22, inspections such as noise, vibration, responsiveness, and leaks of various parts are performed by the operator's sensuality (for example, by listening directly).
Since the inspection is performed in the inside, the measurement (judgment) can be performed accurately without being affected by the sound of the adjacent internal combustion engine 1 or external noise.

In this sensory test, as described above, the main body 16 and the rails 30 and 32 are flush with the floor surface, and both self-propelled vehicles 29 and 31 equipped with a transfer device are located outside the surrounding wall 21. As a result, the periphery of the internal combustion engine 1 supported by the support portion 17 can be neat, and thus the sensory test can be easily performed on the internal combustion engine 1 from all directions and efficiently by walking the shortest distance.

Such an inspection is not always performed in a fixed time, but may be performed by taking sufficient time for each internal combustion engine 1 according to the storage condition on the supply conveyor 23. That is, at the time when the intended inspection is completed, the operator in the inspection room 22 visually checks the display unit 34 to check the number of storages, and when the number is small, the inspection may be continued more carefully. When the number of storages is large, the operation unit 35 is operated.

By this operation, the open / close doors 27,
28 is opened, and the unloading-side self-propelled trolley 31 enters the inspection room 22 and is stopped at the other side of the support portion 17. Next, the stopped internal combustion engine 1 is moved from the support portion 17 to the unloading-side self-propelled trolley 31, and the internal combustion engine 1 on the supply conveyor 23 is moved to the import-side self-propelled trolley 29. In this state, both self-propelled vehicles 29, 31
Is carried, the carry-in self-propelled trolley 29 enters the inspection room 22, is stopped at one side of the support part 17, and the carry-out self-propelled trolley 31
Exits the inspection room 22 and stops at the side of the downstream-side transfer device 40.

After the internal combustion engine 1 is moved to the test apparatus 15, the carry-in self-propelled carriage 29 stopped at one side of the support section 17 exits the inspection room 22 again and faces the end of the supply conveyor 23. And stopped. Further, the internal combustion engine 1 on the unloading-side self-propelled carriage 31 stopped at the side of the downstream-side transporting device 40 is transported by the unloading conveyor 41 or the like. Then, the internal combustion engine 1 is transported to the next process by the transport conveyor 43.

In the above embodiment, the worker in the inspection room 22 visually confirms the number of storages by viewing the display section 34. This is because a part of the enclosure 21 is made of transparent glass, and this transparent glass is made transparent. Then, the storage status on the supply conveyor 23 may be directly confirmed. In addition, one worker may be assigned to each of the two inspection rooms 22, or if a slide door for passing through is provided in the middle partition 24, one worker may use both the inspection rooms.
Inspection at 22 may be concurrent.

[0024]

According to the present invention having the above-described structure, a supply conveyor that sequentially stores internal combustion engines in a forward-packed state is provided by:
The leading internal combustion engine can be delivered to the inspection equipment in the inspection room via the self-propelled bogie on the loading side , and in the inspection room, inspections for noise, vibration, responsiveness, leaks of various parts, etc. are performed by sensory inspection (directly listening can be done with, etc.), when the
In the inspection room, both self-propelled trolleys are located outside the enclosure
To clear the area around and close both passages
Inspection is easy because the
The internal combustion engine on the inspection device that has been inspected can be efficiently and accurately measured (determined), and the unloading side self-propelled trolley
Can be moved to the side opposite to the supply side and transferred to the internal combustion engine take-out section, and thus the supply and removal of the internal combustion engine to and from the inspection device can be efficiently performed by moving the internal combustion engine linearly. .

The sensory test is not always performed in a fixed time, but can be performed with sufficient time for each internal combustion engine according to the storage condition on the supply conveyor. That is, at the end of the intended inspection, the operator in the inspection room visually checks the number of storages on the supply conveyor, and when the number is small, the inspection can be continued more elaborately. Operate the department,
The internal combustion engine on the inspection device can be moved to the internal combustion engine take-out section via the unloading self-propelled vehicle, and the leading internal combustion engine on the supply conveyor can be moved to the inspection device via the import self-propelled vehicle. Thus, the inspection time for the internal combustion engine can be arbitrarily changed according to the transport state (flow) of the internal combustion engine.

[Brief description of the drawings]

FIG. 1 is a plan view of an inspection facility, showing an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Internal combustion engine 10 Upstream conveyance device 8 Adjustment device 15 Inspection device 16 Main body 17 Support part 18 Control part 19 Pit 21 Enclosure wall 22 Inspection room 23 Supply conveyor 25 Loading passage 26 Loading passage 29 Loading self-propelled vehicle 31 Loading self-propelled Cart 33 Detecting device 34 Display unit 35 Operation unit 40 Downstream transport unit 41 Unloading conveyor (internal combustion engine take-out unit) 42 Turntable (internal combustion engine take-out unit)

Continuation of the front page (72) Inventor Eiji Taguchi 3-2-11 Moundoshima, Nishiyodogawa-ku, Osaka-shi, Osaka Daifuku Co., Ltd. (56) References JP-A-58-162834 (JP, A) (JP, U) JP-B-55-22215 (JP, B2) (58) Fields investigated (Int. Cl. ⁶ , DB name) G01M 15/00

Claims (1)

(57) [Claims] 1. Inspection equipment for sensory inspection of an operating internal combustion engine, wherein an inspection device is disposed in an inspection room formed in an enclosure, and the inspection device is divided before and after the inspection device.
An openable and closable carry-in and carry-out passage is formed in the wall,
A supply conveyor for the internal combustion engine is disposed in front of the entrance passage , and a carry-in side is provided between the supply conveyor and the inspection device.
The self-propelled carriage provided, the conveyor passage of backward provided extraction portion of the internal combustion engine Rutotomoni, the internal combustion engine take-out portion and the front
Serial provided unloading self-propelled carriage between the testing apparatus, together with the feed conveyor to form a plurality of internal combustion engine capable storage, carry-in side self stand by the confirmation of the storage quantity
An inspection unit for an internal combustion engine, wherein an operation unit for supplying the internal combustion engine from a supply conveyor to an inspection device via a vehicle is provided in the inspection room.