JPH08261882A - Internal-combustion engine testing installation - Google Patents

Abstract

PURPOSE: To provide an internal-combustion engine testing installation in which a warming-up operation and various inspections can be performed suitably, in which a ventilator is not required and in which a fire or the like is detected easily and quickly. CONSTITUTION: A portal soundproof wall 30 is moved to a rear-part position, the circumference of an internal-combustion engine operation part 13 is opened, an internal-combustion engine 5 is brought in easily, and various apparatuses are interlocked and connected easily. When the internal-combustion engine 5 is operated so as to make a desired performance test, the sound of the internal-combustion engine and the noise of the outside do not enter the internal-combustion engine operation part 13 thanks to a rear-part soundproof wall 12 and the portal soundproof wall 30, a bad influence is hardly exerted on an adjacent internal-combustion engine testing apparatus 10, and a measurement can be performed precisely. The internal-combustion engine operation part 13 is situated in a partitioned chamber whose front and upper part have been opened, and smoke flows through an upper-part open part 34 and a front open part when a fire is generated.

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, for example, an internal combustion engine test equipment disclosed in JP-A-5-126680 has been provided. That is, in this conventional configuration, the internal combustion engine test devices are provided at a plurality of positions on the turntable in the circumferential direction, and each internal combustion engine test device is provided with the surrounding wall body surrounding the internal combustion engine operating part. Each enclosure is a partition wall located on the turntable center side with respect to the internal combustion engine operating section, and an openable and closable door wall located on the side away from the turntable center with respect to the internal combustion engine operating section, It is configured by a gate-shaped wall that surrounds the side and the upper side of the internal combustion engine operating part.
The gate-shaped wall is configured to be movable between a position surrounding the internal combustion engine operating part and an open position.

According to this conventional configuration, the internal combustion engine to be tested is carried into an empty operating section of the internal combustion engine, and when carrying in the internal combustion engine test apparatus, the internal wall of the internal combustion engine is located at a position where the internal combustion engine operating section is opened. Is moved and the door wall is opened to open the periphery of the internal combustion engine operating part. After the internal combustion engine is set in the internal combustion engine operating part, the movable wall is moved to a position surrounding the internal combustion engine operating part, and the door wall is closed, so that the internal combustion engine operating part becomes a closed state. .

During rotation of the turntable,
First, in the warm-up process, the internal combustion engine is warmed up, and then in the adjustment process, the gate wall is moved to the open side and the door wall is opened to open the periphery, and idle adjustment, ignition timing adjustment, and exhaust gas adjustment are performed. The operating conditions are adjusted. Furthermore, in the inspection process, noise, vibration, responsiveness, and the like are inspected in a state in which the gate-shaped wall is moved to the closed side and the door wall is closed to seal the periphery. The operation of the internal combustion engine that has completed the test is stopped, and the gate-shaped wall is moved to the open side and the door wall is opened, so that water is drained with the periphery open, and then the internal combustion engine , Is discharged from the internal combustion engine test apparatus.

[0005]

According to the above-mentioned conventional structure, the internal combustion engine operating portion is hermetically sealed during the warm-up operation in the warm-up process and the inspection in the inspection process. A ventilation device for the operating part is required, and when a fire occurs in the operating part of the internal combustion engine, it is not possible to find it easily and quickly, which may cause a serious accident.

The object of the present invention is to have a necessary soundproofing effect and to suitably perform warm-up operation and various inspections, but it is possible to eliminate the need for a ventilator and to easily detect a fire or the like. The point is to provide an internal combustion engine test facility that can be quickly performed.

[0007]

In order to achieve the above object, the internal combustion engine test equipment according to the first aspect of the present invention comprises an internal combustion engine test apparatus,
A rear soundproof wall located rearward of the internal combustion engine operating section and a gate-shaped soundproof wall surrounding the left and right sides and the upper side of the internal combustion engine operating section are provided. It is configured to be movable between a surrounding front position and a rear position where the periphery of the internal combustion engine operating portion is opened, and an upward opening portion is formed in a top wall portion of the gate-shaped soundproof wall.

The second aspect of the present invention is the internal combustion engine test equipment according to the first aspect of the present invention, wherein the gate-shaped soundproof wall extends inward and upward from a pair of left and right side wall portions and upper ends of these side wall portions. It is configured by the partial ceiling wall portion, and an upward opening portion is formed between the free ends of both partial ceiling wall portions.

According to the third aspect of the present invention, in the internal combustion engine test equipment according to the first aspect of the present invention, internal combustion engine test devices are provided at a plurality of circumferential positions on the turntable.

[0010]

According to the structure of the first aspect of the present invention described above, when the internal combustion engine to be tested is loaded into the internal combustion engine operating section, the gate-shaped soundproof wall is moved to the rear position side, and the internal combustion engine operating section is moved. By opening the area around, it can be easily carried in,
In addition, it is possible to easily connect various devices to the internal combustion engine and easily connect to each unit. After setting the internal combustion engine in the internal combustion engine operating part in this way, moving the gate type soundproof wall to the front position, the left and right sides and the upper part of the internal combustion engine operating part were surrounded by the gate type soundproof wall and tested. By allowing the internal combustion engine to operate in a possible state, it is possible to perform desired performance tests such as warm-up operation of the internal combustion engine and inspection of noise, vibration, and responsiveness.

At this time, since the internal combustion engine operating section is located in the compartment which is partitioned by the rear soundproof wall and the gate-shaped soundproof wall, and the front and upper parts are opened, the front and upper open parts are passed through. , The noise of the internal combustion engine of the adjacent internal combustion engine test device and external noise hardly enter,
The adjacent right and left internal combustion engine test devices have almost no adverse effect on each other, and thus accurate measurement (judgment) can be performed.

Since the internal combustion engine operating section is located in the compartment that is open to the front and the upper side, a ventilation device for the internal combustion engine operating section may be unnecessary, and a fire may occur in the operating internal combustion engine. When a fire occurs, smoke flows through the upper opening and the front opening, so that it can be found easily and quickly.

According to the structure of the second aspect of the present invention, the gate-shaped soundproof wall has the partial top wall portions which extend inward and upward from the upper ends of both side wall portions, and the free ends of these partial top wall portions are provided. By forming the upward opening between them, when the sound of the internal combustion engine operating section comes out from the opening, it becomes a state of being narrowed down without being diffused, so that the adjacent internal combustion engine test devices are not affected. The adverse effect will not be exerted further.

According to the structure of the third aspect of the invention, the internal combustion engine test device group is rotated by rotating the turntable.
For example, the process can be sequentially moved to a carry-in process, a warm-up process, an adjusting process, an inspection process, a water draining process, and a carry-out process. At that time, in the carrying-in step, the internal combustion engine can be carried into the internal combustion engine operating section in which the gate-shaped soundproof wall has been moved to the rear position side in the previous step. Further, in the warm-up process, the warm-up operation of the internal combustion engine can be performed in a state where the gate-shaped noise barrier is moved to the front position and surrounds the internal combustion engine operating part.

Next, in the adjusting step, operating conditions such as idle adjustment, ignition timing adjustment, and exhaust gas adjustment can be performed in a state where the gate-shaped soundproof wall is moved to the rear position and the periphery of the internal combustion engine operating portion is opened. In the inspection process, the noise barrier is moved to the front position, and the noise, vibration, and responsiveness can be inspected while the left and right sides and the upper side of the internal combustion engine operating part are surrounded by the noise barrier. . In this way, the operation of the internal combustion engine that was subjected to the intended test was stopped, and in the water draining process, the gate-shaped noise barrier was moved to the rear position to open the periphery of the internal combustion engine operating part, Separates from various devices and drains water. After that, in the carry-out step, the internal combustion engine of the internal combustion engine operating unit can be carried out.

[0016]

An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a turntable. Internal-combustion-engine test devices 10 are radially arranged at a plurality of positions on the upper surface at predetermined angular intervals (in the embodiment, 18 positions at 20 degrees). An internal combustion engine carry-in device 50 and an internal combustion engine carry-out device 55 for the internal combustion engine test apparatus 10 are arranged adjacent to each other outside the turntable 1.

That is, the carry-in device 50 includes a carry-in conveyor 51.
And a transfer carriage 52 which can be opposed to the end of the carry-in conveyor 51 and can transfer the internal combustion engine 5 to the pallet support device 20 of the internal combustion engine test apparatus 10. Further, the carry-out device 55 is composed of a carry-out conveyor 56 and a carry-out carriage 57 which can face the starting end of the carry-out conveyor 56 and can receive the internal combustion engine 5 from the pallet support device 20. These carriages 52 and 57 are integrated by a connecting member 58, and can travel back and forth on the circular arc path 59 formed outside the turntable 1. The carry-in conveyor 51 and the carry-out conveyor 56 are configured by a drive roller conveyor, a drive chain conveyor, or the like.

Further, a cylindrical body 2 is erected at the center of the turntable 1, and a control device (described later) or a ground side control device (not shown) is connected to the inside of the cylindrical body 2. The control panel 3 and the like are provided. Reference numeral 4 denotes a rotary drive device which is interlocked with the turntable 1.

The internal combustion engine test apparatus 10 is disposed so as to be opposed to the internal combustion engine carry-in apparatus 50 and the internal combustion engine carry-out apparatus 55, and the internal combustion engine 5 is handled via the pallet apparatus 6. The pallet device 6 is constructed in a two-stage type by a lower pallet 7 supported by various conveying means and an upper pallet 8 placed on the lower pallet 7 from above and capable of supporting the internal combustion engine 5. There is. A junction 9 is provided at an end of the lower pallet 7, and a pipe group from this junction 9 is connected to each part of the internal combustion engine 5.

In the internal combustion engine test apparatus 10, a stepped rear soundproof wall 12 is provided on the base body 11 in the front-rear direction.
However, the internal combustion engine test apparatus 10 is arranged in a state of being divided (closed) in the front-rear direction, that is, in a state of being positioned rearward (inside) with respect to the internal combustion engine operating unit 13. This rear sound barrier
An exhaust device 15 to which the junction 9 of the lower pallet 7 can be connected is provided in front of and in the lower part of 12.
In addition, from the left and right side edges of the rear soundproof wall 12, side soundproof walls 16 are continuously provided forward.

The pallet support device 20 is provided below the operating unit 13 of the internal combustion engine. Ie pallet support device
Reference numeral 20 denotes an idle roller conveyor type,
A pair of left and right frames 21 that are erected from
A plurality of front and rear supporting rollers 22 arranged in a cantilever manner on the inner surfaces facing each other, and a plurality of front and rear width determining rollers 23 arranged at the upper ends of both frames 21.

A feeder device 25 for loading and unloading is arranged between the left and right frames 21. That is, the guide body 26 is laid from the intermediate portion to the front portion on the base body 11, and the movable body 27 that is supported and guided by the guide body 26 and is movable in the front-rear direction is provided, and is also moved in the front-rear direction. A cylinder device 28 for causing the movement is provided between the movable body 27 and the base body 11. Further, the movable body 27 includes the lower pallet 7
A locking tool 29 that can be engaged with and disengaged from is provided.

A gate-shaped soundproof wall 30 is provided to cover the left and right sides and the upper side of the internal combustion engine operating section 13. This gate noise barrier 30
Is a pair of left and right side wall portions 31 positioned outside the side soundproof wall 16, a partial top wall portion 32 extending inward and upward from the upper ends of the side wall portions 31, and both partial top walls. The connecting member 33 that connects the free ends of the portions 32 forms a gate shape in a front view. The connecting members 33 are provided at a plurality of positions in the front-rear direction, and the upward opening 34 is formed between the front and rear connecting members 33. Furthermore, the gate-shaped soundproof wall 30 is open at the front and rear, and is thus configured to be movable between a front position surrounding the internal combustion engine operating part 13 and a rear position opening around the internal combustion engine operating part 13.

For the movement, a plurality of wheels 35 are provided at the lower portions of the side wall portions 31, and a pair of left and right support rails 36 for supporting and guiding the wheels 35 are provided on the base body 11. There is. A downward rack 37 is provided in the front-rear direction by utilizing the connecting member 33 in the upper portion of the gate-shaped soundproof wall 30 and in the left-right intermediate portion, and a pinion 38 meshed with the rack 37.
Is interlocked with an air motor (an example of a device for moving the soundproof wall) 39 attached to the upper rear surface of the rear soundproof wall 12. The air motor 39 is configured to be capable of shifting between high speed rotation and low speed rotation by switching valves or the like.

Behind the rear soundproof wall 14 and at the base 11
Above the air / fuel stand 41 and the cooling water stand 42
And are installed separately on the left and right, and both stands 41,
Behind 42 and on the base body 11, the internal combustion engine testing device 10
The control device 43 of is installed. At least one of the two carriages 52, 57 is provided with a locking projection 61 which is engageable with and disengageable from a locked recess 60 formed on the turntable 1 side.

The operation of the above structure will be described below. Here, the turntable 1 is continuously rotating at a constant speed. The internal combustion engine 5 that is about to be tested is
The transfer carriage 52 supported by the upper pallet 8 of the pallet device 6 and conveyed by the carry-in conveyor 51, and facing the end thereof.
Received by. Then, the locking projection is engaged with the locked recess 60.
By engaging 61, the transfer carriage 52 in the loading process A
While carrying out the synchronous movement with the target empty internal combustion engine test device 10, the pallet device 6 on the transfer cart 52 is carried into the pallet support device 20 of the internal combustion engine operating part 13.

At this time, the pallet device 6 is supported by the group of support rollers 22 of the pallet support device 20, is positioned in the width direction by the guide of the width determining roller 23, and is further retracted by the feeder device 25. As a result, the pallet device 6 can be carried in, and the feeding / discharging device can be carried out.
Junction 9 can be automatically connected to 15. After loading, the locking projection 61 is disengaged from the locked recess 60,
Both carriages 52 and 57 are moved back.

On the side of the internal combustion engine test device 10, the gate-shaped soundproof wall 30 has been moved to the side of the control device 43, that is, the rear position side in the previous step, so that the internal sound engine operating part 13 is located on the left and right sides and above. Therefore, the pallet device 6 can be easily transferred from the transfer trolley 52 to the pallet support device 20, and connections to the respective parts can be easily performed.

After setting the internal combustion engine 5 in the internal combustion engine operating section 13 in this way, the pinion 38 is rotated by the drive of the air motor 39, and the gate type soundproof wall 30 is moved to the front position (outside) via the rack 37. To move. This movement is performed by changing the speed of the air motor 39 between high-speed rotation and low-speed rotation by switching the valve and the like, thereby moving it at high speed and then decelerating it, and hitting its front end with a stopper portion (not shown) or the like. It is done until contact. As a result, the left and right sides and the upper side of the internal combustion engine operating unit 13 can be surrounded by the gate-shaped soundproof wall 30.

In this state, the warm-up operation of the internal combustion engine 5 is performed in the warm-up step B while the turntable 1 is rotating as described above. Next, in the adjusting step C, the gate-type soundproof wall 30 is moved to the rear position by the action opposite to that described above, and the left and right sides and the upper side of the internal combustion engine operating section 13 are opened, and idle adjustment, ignition timing adjustment, Operating conditions such as exhaust gas adjustment are adjusted. In the inspection step D, the gate-shaped soundproof wall 30 is moved to the front position, and the left and right sides and the upper part of the internal combustion engine operating part 13 are surrounded by the gate-shaped soundproof wall 30, and noise, vibration, responsiveness, etc. Is inspected.

The inspection in the inspection step D is based on the automatic measurement method, in which the internal combustion engine 5 is located in the room defined by the turntable 1, the rear soundproof wall 12 and the gate-shaped soundproof wall 30. Therefore, accurate measurement (judgment) can be performed without being affected by the sound of the internal combustion engine 5 of the adjacent internal combustion engine test device 10 or external noise.

That is, the internal combustion engine operating section 13 is located in a compartment that is open to the front and the upper side. Sounds and noises through these front and upper open sections 34 are adjacent to each other in the internal combustion engine test on the left and right sides. Since there is almost no adverse effect on the device 10 with respect to each other, accurate measurement (judgment) can be performed. Furthermore, the gate-shaped soundproof wall 30 has partial top wall portions 32 that extend inwardly and upward from the upper ends of the side wall portions 31, and the upward opening portions 34 are provided between the free ends of these partial top wall portions 32. Since the sound of the internal combustion engine operating part 13 exits the open part 34 by being formed, it is in a state of being narrowed down without being diffused, and the mutual adverse effect on the adjacent internal combustion engine test device 10 is further reduced. It will not reach even further.

Since the internal combustion engine operating section 13 is located in the compartment open to the front and the upper side, the ventilation device for the internal combustion engine operating section 13 may be unnecessary, and the internal combustion engine 5 being operated may be eliminated. When a fire occurs in, for example, smoke flows through the upper opening 34 and the front opening, so that the detection can be performed easily and quickly.

The operation of the internal combustion engine 5 which has been subjected to the intended test in this way is stopped, and the gate-shaped soundproof wall 30 is moved to the rear position so that the left and right sides and the upper side of the internal combustion engine operating section 13 are moved. Drainage is performed in the drainage step E in the opened state.
After that, the internal combustion engine 5 moves to the unloading process F side, and the internal combustion engine 5 on the pallet support device 20 is transferred to the unloading carriage 57 together with the palletizing device 6 and is transferred from the unloading carriage 57 to the unloading conveyor 56 to the next process. Be transported to.

In the above embodiment, the gate-shaped soundproof wall 30 is formed by a pair of left and right side wall portions 31 and a partial ceiling wall portion 32 extending inward and upward from the upper ends of the side wall portions 31. However, the first aspect of the present invention may be an embodiment in which the partial top wall portion 32 that horizontally extends inward from the upper ends of the side wall portions 31 is provided.

In the above embodiment, the internal combustion engine test apparatus 10 is arranged on the turntable 1. However, in the first aspect of the invention, the internal combustion engine test apparatus 10 is fixedly arranged on the floor surface. It may be an example. In this case, as the conveying means of the internal combustion engine 5, a self-propelled carriage that can be stopped in front of the internal combustion engine test apparatus 10 or can be adopted such as a carriage type that receives another driving force.

In the above embodiment, the pallet support device 20 is shown as the idle roller conveyor type, but it may be a drive roller conveyor type or a receiver type. In the case of this receiver type, both carriages 52, The multistage fork type transfer means is provided at 57.

As shown in the above embodiment, the pallet device 6
When is moved, the efficiency of the work can be improved by automatically connecting the junction 9 to the feeding / discharging device 15, but the junction 9 may be separately connected after the movement.

[0039]

According to the first aspect of the present invention having the above-described structure, after the internal combustion engine is set in the operating section of the internal combustion engine, the gate-shaped noise barrier is moved to the front position so that the operating section of the internal combustion engine can be moved to the left and right sides. It is possible to surround the upper part with a gate-shaped noise barrier, and perform desired performance tests such as warm-up operation of the internal combustion engine, noise, vibration, and responsiveness inspection, and the internal combustion engine test equipment of the adjacent internal combustion engine sound and external Can be accurately performed under the condition that almost no noise is introduced and that the adjacent internal combustion engine test devices do not adversely affect each other. And by arranging the internal combustion engine operating part in a compartment with the front and the upper part open, it is possible to eliminate the need for a ventilation device for this internal combustion engine operating part, and when a fire occurs in the internal combustion engine being operated, Smoke may flow through the upper opening and the front opening, making it easier and quicker to find out and preventing a major accident.

Further, according to the second aspect of the present invention having the above-mentioned structure, the gate-shaped soundproof wall has the partial top wall portions extending inward and upward from the upper ends of the both side wall portions, and the play of these partial top wall portions is increased. By forming an upward opening between the ends, when the sound of the internal combustion engine operating section comes out from the opening, it is in a state of being narrowed down without being diffused, so that the internal combustion engine test devices can be operated with respect to each other. The adverse effect can be further suppressed.

Further, according to the third aspect of the present invention having the above-described structure, by rotating the turntable, the internal combustion engine test device group is moved to, for example, the loading process, the warming process, the adjusting process, the inspection process, the draining process, and the unloading process. Various operations and inspections can be performed on the internal combustion engine while moving sequentially, and the portal noise barrier is moved to the rear position side according to the operation and inspection to open the periphery of the internal combustion engine operating part. Alternatively, the gate-shaped soundproof wall can be moved to the front position to surround the operating portion of the internal combustion engine.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view of an internal combustion engine test apparatus portion of an internal combustion engine test facility according to an embodiment of the present invention.

FIG. 2 is a front view of an internal combustion engine test apparatus portion of the internal combustion engine test equipment.

FIG. 3 is a cross-sectional plan view of an internal combustion engine test apparatus portion of the internal combustion engine test equipment.

FIG. 4 is a plan view of the internal combustion engine test equipment.

[Explanation of symbols]

 1 Turntable 3 Control Panel 5 Internal Combustion Engine 6 Pallet Device 7 Lower Pallet 8 Upper Pallet 9 Junction 10 Internal Combustion Engine Test Device 12 Rear Soundproof Wall 13 Internal Combustion Engine Operating Section 15 Exhaust Device 16 Side Soundproof Wall 20 Pallet Support Device 25 Feeder Device 30 Gate soundproof wall 31 Side wall 32 Partial top wall 33 Connecting member 34 Opening 39 Air motor (device for moving soundproof wall) 41 Air / fuel stand 42 Cooling water stand 43 Controller

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hideki Horie 2 Takara-cho, Kanagawa-ku, Yokohama, Kanagawa Nissan Motor Co., Ltd. (72) Toshihiko Kato, 3-2-11 Minatojima, Nishiyodogawa-ku, Osaka, Osaka Inside Daifuku

Claims (3)

[Claims] 1. An internal combustion engine test apparatus is provided with a rear soundproof wall located rearward of the internal combustion engine operating section, and a gate-shaped soundproof wall surrounding left and right sides and an upper side of the internal combustion engine operating section. The gate-shaped soundproof wall is configured to be movable between a front position that surrounds the internal combustion engine operating part and a rear position that opens the periphery of the internal combustion engine operating part. An internal combustion engine test facility characterized by having an open portion. 2. A gate-shaped soundproof wall is constituted by a pair of left and right side wall portions and a partial top wall portion extending inwardly and upwardly from upper ends of the side wall portions, and a play of both partial top wall portions is provided. The internal combustion engine test facility according to claim 1, wherein an upward opening is formed between the ends. 3. The internal combustion engine test equipment according to claim 1, wherein the internal combustion engine test devices are provided at a plurality of circumferential positions on the turntable.