JP2921210B2 - 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. In addition, transfer equipment etc. are in the way,
Inspection of the internal combustion engine from all directions cannot be easily performed.

SUMMARY OF THE INVENTION An object of the present invention is to provide an internal combustion engine inspection facility capable of efficiently supplying and removing an internal combustion engine to and from an inspection device, and easily inspecting the internal combustion engine from all directions. .

[0006]

In order to achieve the above object, an inspection system for an internal combustion engine according to the present invention is an inspection system for performing a sensory inspection on an operating internal combustion engine, and comprises an inspection room formed in an enclosure. to an inspection device for functional testing, the upper surface of the main body of the test apparatus is arranged in the floor surface and flush with, the discharge conduit and openable input path to said surrounding wall body sorting before or after the inspection device Forming an internal combustion engine supply unit in front of the carry-in passage, providing a carry-in self-propelled vehicle between the internal combustion engine supply unit and the inspection device, and taking out the internal combustion engine behind the carry-out passage. A self-propelled carriage is provided between the internal combustion engine take-out part and the inspection device, and both carriages are equipped with a transfer device, and the upper surface thereof is flush with the floor surface. It is configured to be reciprocally movable by being supported and guided by.

[0007]

According to the configuration of the present invention, the carry-in side self-propelled trolley receiving the internal combustion engine from the internal combustion engine supply unit enters the inspection room through the carry-in passage, and stops after facing the inspection device. The internal combustion engine can be passed to this inspection device. The internal combustion engine on the inspection device that has completed the inspection is received by the unloading-side self-propelled trolley, and the unloading-side self-propelled trolley passes through the unloading passage to the outside of the inspection room and is transferred to the internal combustion engine take-out unit.

In the above-mentioned inspection apparatus, inspections such as noise, vibration, responsiveness, and leaks of various parts are performed by sensory inspections (such as direct listening). At that time, the top of the main body of the inspection device
The upper surfaces of both rails for self-propelled trolleys are flush with the floor
From as well as equipped with a transfer device on both autonomous guided vehicle, that allowed to exit these self-propelled carriage to test outdoors, refreshing give periphery of the internal combustion engine in the inspection apparatus, thus sensory tests, the internal combustion engine On the other hand, it can be easily performed from all directions and can be efficiently performed by walking the shortest distance.

[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 at the end side of the distribution conveyor 13, and these supply conveyors 23 constitute an internal combustion engine supply unit. 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 carriage 31 equipped with a transfer device is provided between the outside of the other side 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 with 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, the internal combustion engine from the internal combustion engine supply unit can be transferred to the inspection device by a loading-side self-propelled vehicle that can travel inside and outside the inspection room through the loading passage. The internal combustion engine on the inspection device that has completed the inspection
It can be delivered to the internal combustion engine take-out part by a self-propelled carriage that can travel inside and outside the inspection room through the carry-out passage. It can be performed efficiently.

In the inspection device, noise, vibration,
Inspections such as responsiveness and leakage of each part can be performed by sensory inspection (such as direct listening). At that time, the book of the inspection device
The upper surface of the body and the upper surfaces of both rails for the self-propelled trolley are flush with the floor surface
Therefore, by equipping both self-propelled vehicles with a transfer device and leaving these self-propelled vehicles out of the inspection room, the inspection device can clear the periphery of the internal combustion engine during the inspection, so that the sensory inspection Can be easily performed from all directions with respect to the internal combustion engine and efficiently by walking the shortest distance.

[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 conveying device 8 Adjusting device 15 Inspection device 16 Main body 17 Support part 18 Control part 19 Pit 21 Enclosure wall 22 Inspection room 23 Supply conveyor (internal combustion engine supply part) 25 Loading passage 26 Loading passage 29 Self-propelled on the loading side Truck 31 Self-propelled carriage 40 on the unloading side 40 Downstream transporting device 41 Unloading conveyor (internal combustion engine take-out part) 42 Turntable (internal combustion engine take-out part)

──────────────────────────────────────────────────続 き Continuation of the front page (72) Eiji Taguchi, Inventor Daifuku Co., Ltd. 3-2-1-11 Moundoshima, Nishiyodogawa-ku, Osaka-shi, Osaka (56) References JP-A-58-162834 (JP, A) JP-A Sho 62-269810 (JP, A) JP-A 1-129644 (JP, U) (58) Fields studied (Int. Cl. ⁶ , DB name) G01M 15/00

Claims (1)

(57) [Claims] 1. A test facility for sensory test with respect to the internal combustion engine during operation, the inspection chamber formed enclosure body, government
An inspection apparatus for tolerance test, the upper surface of the main body of the test apparatus is arranged in the floor surface and flush with, forming a conveyor passage and closable input path to said surrounding wall body sorting before or after the inspection device Along with disposing an internal combustion engine supply unit in front of the carry-in passage, providing a carry-in self-propelled vehicle between the internal combustion engine supply unit and the inspection device, and providing an internal combustion engine take-out unit behind the carry-out passage. A self-propelled trolley is provided between the internal combustion engine take-out part and the inspection device, and both trolleys are equipped with a transfer device and supported on rails whose upper surfaces are flush with the floor. Inspection equipment for an internal combustion engine characterized by being guided and reciprocally movable.