JPH05126681A - Internal combustion engine test facility - Google Patents

Abstract

PURPOSE:To simplify the structure of the turntable type, improve workability, and correctly perform inspections by providing a shift device delivering an internal combustion engine between a warm-up bench on the inner edge side and an adjustment/inspection bench on the outer edge side. CONSTITUTION:A test device 10 is constituted of a warm-up bench 11 located on the inner edge side of a turntable 5, an adjustment/inspection bench located on the outer edge side of the turntable 5, and a bogie device 13 delivering an internal combustion engine 18 between both benches 11, 12. The ignition and warm-up operation is first performed on the internal combustion engine 18 carried in to the bench 11. Noises during operation are rarely leaked to the outside by the sound insulation function of a cylindrical wall 20. In the transfer process of the internal combustion engine 18, the internal combustion engine 18 on the bench 11 is received by a self-propelled bogie 14 and delivered to the bench 12 through a shift passage 21. In the adjustment/inspection process after re-warm-up, idle adjustment, ignition timing adjustment, and exhaust gas adjustment are performed, then inspections on noises, vibration, responsiveness, and leakage are performed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an internal combustion engine test facility used for performing a performance test on an internal combustion engine before it is incorporated into a vehicle body, for example, in an automobile assembly plant.

[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. In this conventional structure, test devices for an internal combustion engine are provided at a plurality of circumferential positions on a turntable, and a carry-in conveyor, a carry-out conveyor, and a transfer device are provided outside the turntable.

According to this conventional structure, the internal combustion engine is transferred from the carry-in conveyor to the transfer device and is transferred from the transfer device to the test device on the turntable. Next, while the turntable is rotating, the internal combustion engine is warmed up, and the operating conditions are adjusted and inspected. After that, the internal combustion engine is taken out to the transfer device and then passed to the carry-out conveyor.

[0004]

According to the above-mentioned conventional configuration, the test apparatus performs all the operations from warm-up operation to inspection in a state where the internal combustion engine is located on a common bench, so that the structure is complicated. As a result, various work around the test equipment cannot be performed easily, resulting in poor workability. Furthermore, the complexity of the structure makes the entire test apparatus expensive. Further, since the respective test devices are in an open state with each other, other noises easily enter during adjustment and inspection, and the inspection cannot be performed accurately. Especially, the noise of warm-up operation adversely affects the inspection.

An object of the present invention is to provide an internal combustion engine test which has a simple structure and good workability, and is capable of accurately performing inspections, etc., though it is a turntable type having advantages such as simultaneous carrying and inspection. The point is to provide facilities.

[0006]

In order to achieve the above object, the internal combustion engine test equipment according to the first aspect of the present invention is provided with a disc body at the center and a ring-shaped turntable fitted on the disc body. , Test equipment of the internal combustion engine is provided at a plurality of positions on the turntable in the circumferential direction, and these test equipment include a warm air bench located on the inner edge side of the turntable and an adjustment / inspection bench located on the outer edge side of the turntable. , A transfer device that transfers the internal combustion engine between the benches, and a device for bringing the internal combustion engine into the warm air bench is provided on the side of the disk body, and the internal combustion engine is opposed to the outer periphery of the turntable. A unloading device is provided.

The internal combustion engine test equipment of the second invention is
A disk body is provided in the center, a ring-shaped turntable fitted on the disk body is provided, and test devices for the internal combustion engine are provided at a plurality of circumferential positions on the turntable. It consists of a warm air bench located on the inner edge side of the table, an adjustment / inspection bench located on the outer edge side of the turntable, and a trolley device that transfers the internal combustion engine between both benches, so that it passes between both benches, A cylindrical wall is erected from above the turntable, and a moving passage of the carriage device is provided on the cylindrical wall so as to be openable and closable, and an enclosing wall covering the turntable and the disc body from the outside of the turntable. A body is provided, and a device for bringing the internal combustion engine into the warm air bench that passes under the turntable and reaches the disk body is provided. It is disposed a carry-out device of the engine.

[0008]

According to the structure of the first invention, the internal combustion engine is delivered to the warm-up bench of the test apparatus by the carry-in device, and the warm-up operation is performed while the turntable is rotating. Next, the internal combustion engine is transferred from the warm air bench to the adjustment / inspection bench by the transfer device, and on this warm air bench, adjustment of operating conditions such as idle adjustment, ignition timing adjustment, exhaust gas adjustment, noise, vibration, responsiveness, leakage of each part etc. And the inspection are performed. After that, the internal combustion engine is taken out of the test device into the unloading device.

According to the structure of the second aspect of the present invention, the internal combustion engine on the warm air bench is received by the trolley device, and is then transported to the vicinity of the adjustment / inspection bench through the opened moving passage, after which the adjustment / inspection is performed. Passed to the bench. Then, the internal combustion engine is adjusted and inspected, but at this time, since the internal combustion engine is located at the place partitioned by the turntable, the cylindrical wall, and the surrounding wall body, external noise, especially warm-up operation is performed. The desired adjustments and inspections are performed without being affected by noise, etc.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a disk body disposed in the central portion, which is disposed via a pedestal 3 located in the pit 2 and has an upper surface which is the same as the floor surface 4. A ring-shaped turntable 5 is externally fitted to the disc body 1, and the turntable 5 is provided.
Is supported and guided by an annular rail 6 arranged in the pit 2 via wheels 7 and guide wheels 8 and is rotatable about a vertical axis 9.

On the turntable 5, a plurality of places on the upper surface are arranged at a predetermined angle in the circumferential direction (in the embodiment, ten places are arranged at 36 degrees).
Internally, a test device 10 for an internal combustion engine is radially arranged. These test devices 10 include a warm air bench 11 located on the inner edge side of the turntable 5, an adjustment / inspection bench 12 located on the outer edge side of the turntable 5, and an internal combustion engine 18 between the benches 11 and 12.
And a trolley device 13 for delivering the

The warm-up bench 11 is used for warm-up operation of the internal combustion engine 18, and has a starting device and a carry-in / carry-out conveyor. The trolley device 13 is an example of a transfer device, and a self-propelled trolley 14 having a carry-in / carry-out conveyor and the like can freely reciprocate on a rail 15. The adjustment / inspection bench 12 is for performing adjustment of operating conditions such as idle adjustment, ignition timing adjustment, exhaust gas adjustment, and inspection for noise, vibration, responsiveness, leakage of each part, etc., and has a control unit 16 and a carry-in / out conveyor. .. The internal combustion engine 18 is handled via a pallet.

A tubular wall 20 is erected from above the turntable 5 so as to pass between the benches 11 and 12. A moving passage 21 for the self-propelled carriage 14 is formed at a plurality of locations on the tubular wall 20, and a shutter 22 is provided in the moving passage 21 so as to be opened and closed. A plurality of partition walls 23 located between the adjacent adjustment / inspection benches 11 are arranged radially from the outer surface of the cylindrical wall 20 and the upper surface of the turntable 5, and the partition walls 23 are A transparent window 24 for confirming the state of the adjacent adjustment / inspection bench 11 is formed. The tubular wall 20 is provided with a plurality of doors 25 for entrance and exit.

An enclosure 30 is provided to cover the turntable 5 and the disc body 1 from the outside of the turntable 5. That is, the surrounding wall body 30 is composed of a semi-cylindrical wall portion 31 standing upright from the floor surface 4 and a top wall portion 32 connecting upper edges of the semi-cylindrical wall portion 31. Here, the top wall portion 32 has a partially open structure in which the outside of the tubular wall 20 is cut away at a location where the semi-cylindrical wall portion 31 does not exist, but this is a completely closed structure. Good. The semi-cylindrical wall 31 has a plurality of doors for access.
33 are provided.

A loading device 40 for the internal combustion engine 18 is provided below the turntable 5 to reach the disc body 1. That is, on the outside of the turntable 5, the floor surface 4
A carry-in conveyor 41 is arranged above, and an outer lift device 42 is arranged outside the terminal end of the carry-in conveyor 41. The outer lift device 42 has a lower half located in a vertical hole 43 formed downward from the floor surface 4. A horizontal hole 44 is formed in communication with a lower portion of the vertical hole 43, and the horizontal hole 44 is formed in the turntable 5. It passes below and reaches below the disc body 1. A transfer conveyor 45 is arranged in the lateral hole 44.

At the inner part of the lateral hole 44, the transfer conveyor is
An inner lift device 46 is disposed so as to face the end of 45, and a penetrating portion 47 is formed in the disc body 1 to allow the inner lift device 46 to move up and down.
Are formed. A transfer carriage 48, which can be opposed to the inner lift device 46 and can transfer the internal combustion engine 18 to the warm air bench 11 of the test device 10, is installed on the arc path 49 formed inside the turntable 5. You can freely travel back and forth.

A carry-out device 50 for the internal combustion engine 18 is arranged so as to face the outer periphery of the turntable 5. That is, the carry-out device 50 is composed of a carry-out conveyor 51 and a take-out carriage 52 which can freely face the start end of the carry-out conveyor 51 and which can take out the internal combustion engine 18 from the adjustment / inspection bench 12 of the test apparatus 10. Can travel back and forth on an arcuate path 53 formed outside the turntable 5.

A post 60 is erected at the center of the turntable 5, and various pipes 62 are installed between the rotary joint 61 provided on the upper portion of the post 60 and each test apparatus 10. .. Furthermore, the upper end of the post 60 and the top wall 32
A current collector 63 is provided between and.

The operation of the above structure will be described below. Here, the turntable 5 is continuously rotating at a constant speed. Pre-dressing is performed on the internal combustion engine 18 supported by the pallet and conveyed by the carry-in conveyor 41, and the internal combustion engine 18 is passed to the outer lift device 42. Next, the internal combustion engine 18 is fed down in the vertical hole 43 by the outer lift device 42 and then passed to the transfer conveyor 45.
It is conveyed in the lateral hole 44 by 45 and passed to the inner lift device 46. The internal combustion engine 18 sent by the internal lift device 46
Is a transfer truck 48 that is stopped facing the inner lift device 46.
Received by. Then, in the carrying-in step A, the transfer carriage 48 is moved in synchronization with the target empty test apparatus 10,
The pallet 18 on the transfer cart 48 is heated on the test bench 10 on the bench 11
To carry it in.

In the warm-up process B, the internal combustion engine 18 is first ignited in the warm-up process B, and then the warm-up operation is subsequently performed. The noise during the warm-up operation hardly leaks to the outside, that is, the adjustment / test bench 12 side due to the sound insulation effect of the tubular wall 20. The operation of the internal combustion engine 18 is stopped near the end of the warming-up process B, and then the oil / water draining process C is entered to drain oil and water.

The internal combustion engine 18 that has completed the desired work inside the tubular wall 20 in this way enters the transfer process D, in which the internal combustion engine 18 on the warm air bench 11 is received by the self-propelled carriage 14, Then, by moving the shutter 22, the self-propelled carriage 14 is made to travel through the moving passage 21 opened,
Pass the internal combustion engine 18 on 14 to the adjustment and test bench 12. After that, the self-propelled carriage 14 returns to the warm air bench 11 side, and the shutter 22 is opened.

Next, the internal combustion engine 18 enters the ignition step E to be ignited, and then enters the warm-up step F to be re-warmed. Subsequently, the internal combustion engine 18 enters the adjusting step G, in which operating conditions such as idle adjustment, ignition timing adjustment, and exhaust gas adjustment are adjusted. Then, the internal combustion engine 18 enters an inspection step H, where noise, vibration, responsiveness, leakage of each part, and the like are inspected, and then oil and water are drained in an oil / water draining step I.

The above-mentioned inspection in the inspection step H is performed by the operator's sensory (direct hearing etc.) or automatic inspection device, and at that time, the internal combustion engine 18 includes the turntable 5 and the cylindrical wall.
20 and left and right partition walls 23, semi-cylindrical wall portion 31 and ceiling wall portion 32
Since it is located in the room partitioned by and, it is possible to perform accurate measurement (judgment) without being affected by the noise of the internal combustion engine 18 adjacent thereto or external noise.

The internal combustion engine 18 that has been subjected to the desired test in this way is transferred from the adjustment / test bench 12 to the take-out carriage 52 in the carry-out step J, and then transferred to the carry-out conveyor 51, and then undressed. After that, it is carried out to the next process.

In the above-mentioned embodiment, the central partition body 6, the left and right partition walls 8, the outer wall body 20 and the ceiling wall 21 may be made of ordinary materials, but can be more suitably adopted when a soundproof structure is installed.

In the above embodiment, the self-propelled carriage type is adopted as an example of the transfer device, but the transfer robot type may be used in the first invention.

[0027]

According to the first aspect of the present invention having the above-described structure, the internal combustion engine can first perform warm-up operation on the warm-up bench while the turntable is rotating, and then is transferred to the adjustment / inspection bench by the transfer device. , Idle adjustment,
It is possible to perform adjustment of operating conditions such as ignition timing adjustment and exhaust gas adjustment, and inspection of noise, vibration, responsiveness, leakage of each part, and the like. By arranging the warm-up bench and the adjustment / inspection bench separately in this way, the structures of both benches can be simplified, workability can be improved, and the entire equipment can be provided at low cost.

Further, according to the configuration of the second aspect of the present invention, the adjustment and inspection of the internal combustion engine can be performed by locating the internal combustion engine at a place partitioned by the turntable, the cylindrical wall and the surrounding wall body. Therefore, the desired adjustment and inspection can always be performed accurately without being affected by external noise, particularly noise caused by warm-up operation.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view of an internal combustion engine test equipment according to an embodiment of the present invention.

FIG. 2 is a vertical sectional view of the internal combustion engine test equipment.

[Explanation of symbols]

 1 disk body 5 turntable 9 vertical axis 10 test device 11 warm-up bench 12 adjustment / inspection bench 13 bogie device (transfer device) 18 internal combustion engine 20 tubular part 21 moving passage 22 shutter 23 partition wall 30 enclosure 31 half Cylindrical wall 32 Top wall 40 Carry-in device 42 Outer lift device 45 Conveyor conveyor 46 Inner lift device 48 Transfer cart 50 Carry-out device 52 Unload cart

Claims (2)

[Claims] 1. A disk body is provided in a central portion, a ring-shaped turntable fitted on the disk body is provided, and test devices for an internal combustion engine are provided at a plurality of circumferential positions on the turntable. The test device is composed of a warming bench located on the inner edge side of the turntable, an adjustment / inspection bench located on the outer edge side of the turntable, and a transfer device that transfers the internal combustion engine between the benches. An internal combustion engine test facility, characterized in that a device for carrying in the internal combustion engine to the warm bench is provided on the plate side, and a device for carrying out the internal combustion engine is arranged facing the outer periphery of the turntable. 2. A disk body is provided in a central portion, a ring-shaped turntable externally fitted to the disk body is provided, and test devices for an internal combustion engine are provided at a plurality of circumferential positions on the turntable. The test equipment consists of a warm air bench located on the inner edge side of the turntable, an adjustment / inspection bench located on the outer edge side of the turntable, and a bogie device that transfers the internal combustion engine between both benches. So as to pass through the turntable, a tubular wall is erected from above the turntable, and a moving passage of the carriage device is provided on the tubular wall so as to be openable and closable. Is provided with a surrounding wall that covers the upper part of the turntable, and is provided with a device for bringing the internal combustion engine into the warm air bench that passes under the turntable and reaches the disk body. An internal combustion engine test facility, characterized in that an unloading device for the internal combustion engine is disposed so as to face the above.