JPH0599791A - Facility for inspecting internal combustion engine - Google Patents

Abstract

PURPOSE:To enable supply and take-out of an internal combustion engine for an inspection device to be executed efficiently by providing a supply part and a take-out part of the internal combustion engine before and after the inspection device and at the same time providing a self-traveling truck between them. CONSTITUTION:An internal engine 1 is carried by a conveyer 11 in an upstream side supply part 10, is distributed to left and right conveyers 13 by a turntable 12, and is stored in sequence on a supply conveyer 23. At this time, inspection is performed by an inspection device 15 within an inspection chamber 22, self- traveling; trucks 29 and 31 are positioned outside a surrounding wall body 21, and then passage 25 and 26 are closed by open-close doors 27 and 28. When an inspection ends, a worker operates an operation part 35, thus enabling the doors 27 and 28 at both passages 25 and 26 to be opened and then the carrying- out side self-traveling truck 31 to enter an inspection chamber 22 and stops. Then, the internal combustion engine 1 is carried to the truck 31 and at the same time the internal combustion engine 1 on the supply conveyer 23 is shifted to the carrying-in side self-traveling truck 29. In this state, the trucks 29 and 31 travel and supply and takeout of the internal combustion engine can be performed efficiently.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used, for example, in an automobile assembly plant to perform a performance test on an internal combustion engine before it is incorporated into a vehicle body. The present invention relates to an inspection facility for an internal combustion engine that is adopted to perform a sensory inspection (such as direct hearing).

[0002]

2. Description of the Related Art Conventionally, as this type of equipment, a structure disclosed in, for example, JP-A-2-126131 is provided. That is, the first test device of the internal combustion engine is provided at a plurality of positions on the turntable in the circumferential direction, the carry-in route and the carry-out route of the internal combustion engine are provided outside the turntable, and the second test device is provided on the side of the carry-out route. A turntable format is provided with a test chamber having a.

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

[0004]

According to the above-mentioned conventional method, the abnormal noise and vibration due to the sensory sense of the operator can be suitably measured in the isolated state in the test room. However, since the work of inserting the internal combustion engine into the test room from the carry-out path and the work of transferring the internal combustion engine from the test room to the carry-out path are performed by a common transfer device, it is necessary to secure a sufficient transfer work time, which leads to a high efficiency. I can't do good work. In addition, the transfer device etc.
Inspection from all directions on an internal combustion engine is not easy.

It is an object of the present invention to provide an internal combustion engine inspection facility which can efficiently supply and take out the internal combustion engine to and from the inspection device, and can easily inspect the internal combustion engine from all directions. ..

[0006]

In order to achieve the above object, the inspection equipment for an internal combustion engine according to the present invention is an inspection equipment for sensory inspection of an operating internal combustion engine, and is an inspection room formed in an enclosure. An inspection device is disposed in the interior of the enclosure, and an opening / closing passage is formed in the surrounding wall body by allocating the inspection device to the front and the rear of the inspection device. A carry-in side self-propelled carriage is provided between the engine supply unit and the inspection device, an internal combustion engine take-out unit is disposed behind the carry-out passage, and a carry-out side is provided between the internal combustion engine take-out unit and the inspection device. It has a self-propelled carriage.

[0007]

According to the structure of the present invention, the self-propelled carriage on the loading side, which has received the internal combustion engine from the internal combustion engine supply section, enters the inspection room through the loading passage and stops after facing the inspection device. An internal combustion engine can be passed to this inspection device. Further, the internal combustion engine on the inspection device that has completed the inspection is received by the unloading side self-propelled carriage, and is passed to the internal combustion engine take-out section when the unloading side self-propelled carriage goes out of the inspection room through the discharge passage.

In the above inspection device, inspections for noise, vibration, responsiveness, leakage of each part, etc. are conducted by sensory inspection (direct hearing, etc.). At that time, by equipping both the self-propelled carriages with a transfer device, and leaving these self-propelled carriages out of the inspection room, the inspection device can clean the area around the internal combustion engine, and therefore the sensory test It can be done easily from all directions to the engine and efficiently by walking the shortest distance.

[0009]

An 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 that receives the internal combustion engine 1 (pallet 2) and adjusts the operating conditions. The upstream side conveying device 10 that conveys the internal combustion engine 1 from the adjusting device 8 includes a carry-in conveyor 11 and this carry-in conveyor. A distribution turntable (12) facing the end of the conveyor (11) and a pair of distribution conveyors (13) whose start ends face the turntable (12).

An inspection device 15 for performing a sensory inspection on the internal combustion engine 1 from the upstream side transfer device 10 is arranged in an inspection chamber 22 formed by an enclosure 21. That is, a pair of supply conveyors 23 having start ends facing each other and parallel to each other are provided on 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 ends of both supply conveyors 23, and a pair of inspection chambers 22 are provided by an intermediate partition body 24.

The carrying-in passage 25 and the carrying-out passage 26 are formed in the surrounding wall body 21 so as to be divided into the front and the rear of the inspection device 15. Here, the carry-in passage 25 faces the end of the supply conveyor 23,
Moreover, it has an opening / closing door 27. The carry-out passage 26 also has an opening / closing door 28. The inspection device 15 is composed of a main body (bench) 16, a supporting portion 17 and a control portion 18 provided on the main body 16 in an upright state, and the main body 16 is arranged in a pit 19 formed on the floor surface. The upper surface is flush with the floor.

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

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

The downstream transfer device 40 for transferring the internal combustion engine 1 from the inspection device 15 has a carry-out conveyor 41 whose side portions are arranged opposite to the end of the traveling route of one of the carry-out side traveling carts 31.
And the start end of the carry-out conveyor 41 and the other carry-out carriage on the carry-out side
A turntable 42 facing the end of the traveling route of 31,
It is configured by a transfer conveyor 43 connected to the end of the carry-out conveyor 41 in an orthogonal manner, and the carry-out conveyor 41 and the turntable 42 serve as the internal combustion engine take-out section described above. Then, with the carry-out conveyor 41 and the turntable 42 inside, a defective product discharging device 44 is arranged on the side opposite to the traveling path of the carry-out side self-moving carriage 31, and a draining device 45 is provided in the carry-out conveyor 41. Is provided.

The internal combustion engine test work in the above embodiment will be described below. The internal combustion engine 1 supported by the pallet 2 is
After adjusting the operating conditions such as idle adjustment, ignition timing adjustment, and exhaust gas adjustment in the adjusting device 8, the adjusting device 8 transfers the operating conditions to the upstream side transfer device 10. That is, in the upstream transfer device 10, the internal combustion engine 1 is transferred by the carry-in conveyor 11 and then distributed by the turntable 12 to the left and right distribution conveyors 13.

From this distribution conveyor 13 to the supply conveyor
The internal combustion engine 1 transferred to 23 is sequentially stored on the supply conveyor 23 in a front-filled 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 device 15 is inspecting the internal combustion engine 1 in the inspection room 22,
Both self-propelled carriages 29 and 31 are located outside the enclosure 21, and both passages 25 and 26 are closed by opening / closing doors 27 and 28.

In the inspection room 22, noises, vibrations, responsiveness, leakage of each part, etc. are inspected by the senses of the operator (such as direct hearing), but as described above, the sealed inspection room 22.
Since the inspection is performed inside, accurate measurement (judgment) can be performed without being affected by the noise of the adjacent internal combustion engine 1 or external noise.

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

Such an inspection is not always carried out for a fixed time, but may be carried out for each internal combustion engine 1 with sufficient time depending on the storage condition on the supply conveyor 23. That is, when the intended inspection is completed, the worker 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, opening / closing doors 27 of both passages 25, 26,
28 is opened, so that the unloading-side self-propelled carriage 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 supporting portion 17 to the carry-out side self-propelled carriage 31, and the internal combustion engine 1 on the supply conveyor 23 is moved to the carry-in side self-propelled carriage 29. In this state, both self-propelled carts 29, 31
And the carrying-in side self-propelled carriage 29 enters the inspection room 22 and is stopped at one side of the support portion 17, and the carry-out side self-propelled carriage 31
Exits from the inspection room 22 and is stopped at the side of the downstream side transport device 40.

The carrying-in side self-propelled carriage 29 stopped at one side of the support portion 17 moves the internal combustion engine 1 to the test apparatus 15 and then leaves the inspection room 22 again to face the end of the supply conveyor 23. Will be stopped. Further, the internal combustion engine 1 on the carry-out side self-propelled carriage 31 stopped at the side of the downstream side carrier device 40 is carried by the carry-out conveyor 41 or the like, while the water draining device 45 drains water. Then, the internal combustion engine 1 is transported to the next process by the transport conveyor 43.

In the above-mentioned embodiment, the operator in the inspection room 22 visually confirms the number of storages by visually checking the display section 34. In this, a part of the surrounding wall 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. Also, one worker may be assigned to each of the inspection rooms 22, or when a slide door for passing through is provided in the partition body 24, one operator may perform both inspection rooms.
Can also serve as the inspection at 22.

[0024]

According to the present invention having the above-described structure, the internal combustion engine from the internal combustion engine supply section can be delivered to the inspection device by the loading side self-propelled carriage that can travel inside and outside the inspection room through the loading passage. In addition, the internal combustion engine on the inspection device that finished the inspection,
It can be delivered to the internal combustion engine take-out section by the take-out side self-propelled carriage that can travel inside and outside the inspection room through the take-out passage, and therefore the internal combustion engine can be supplied to and taken out from the inspection device by moving the internal combustion engine in a straight line. It can be done efficiently.

In the inspection device, noise, vibration,
Responsiveness, leaks of each part, etc. can be tested by sensory tests (direct listening, etc.). At that time, both self-propelled carriages are equipped with a transfer device, and by leaving these self-propelled carriages out of the inspection room, the inspection device can clean the area around the internal combustion engine during the inspection, and therefore the sensory test is not performed. In addition, it is possible to easily and efficiently walk the internal combustion engine from all directions and walk the shortest distance.

[Brief description of drawings]

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

[Explanation of symbols]

 1 Internal Combustion Engine 10 Upstream Conveying Device 8 Adjusting Device 15 Inspection Device 16 Main Body 17 Support 18 Control 19 Pit 21 Enclosure 22 Inspection Room 23 Supply Conveyor (Internal Combustion Engine Supply) 25 Carry-in Passage 26 Carry-out Passage 29 Carry-on Side Cart 31 Carry-out side carrier 40 Carrying device downstream 41 Carry-out conveyor (internal combustion engine take-out section) 42 Turntable (internal-combustion engine take-out section)

Front page continuation (72) Inventor Tomoaki Hayashi, Daifuku Co., Ltd., 3-2-11, Mintimajima, Nishiyodogawa-ku, Osaka City, Osaka Prefecture (72) Eiji Taguchi, 3-2-11, Mintimajima, Nishiyodogawa-ku, Osaka City, Osaka Prefecture Inside Daifuku

Claims (1)

[Claims] 1. An inspection facility for sensory inspection of an operating internal combustion engine, wherein an inspection device is provided in an inspection chamber formed inside the enclosure, and the inspection device is distributed before and after the inspection device on the enclosure. An openable loading passage and an unloading passage are formed, an internal combustion engine supply unit is arranged in front of the loading passage, and a loading side self-propelled carriage is provided between the internal combustion engine supply unit and the inspection device. An inspection facility for an internal combustion engine, characterized in that an internal combustion engine take-out section is disposed behind a carry-out passage, and a carry-out side self-propelled carriage is provided between the internal combustion engine take-out section and the inspection device.