JPS6324251B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an internal combustion engine testing device that is used to test an internal combustion engine before it is installed in a vehicle body, for example, when manufacturing a vehicle.

Conventional technology Conventionally, the methods for testing internal combustion engines include operating the engine by directly holding it against a fixed stand;
Alternatively, there is a method in which the internal combustion engine is operated by being pressed against a fixed base via a pallet. With these methods, the fixed base is large enough to withstand the vibrations of the internal combustion engine, and when performing centering with the vibration device. Therefore, it is necessary to create a highly precise structure. So recently,
For example, as seen in Japanese Utility Model Application Publication No. 51-63005, a bench is mounted on a base plate having casters via a plurality of anti-vibration rubbers, and an engine is fixed onto this bench via a plurality of support plates. Then, by lifting the board with a cylinder and fixing it,
A type is provided in which the output shaft of the engine is opposed to the input shaft of the measuring device, and the vibrations during the driving test are absorbed by anti-vibration rubber.

Problems to be Solved by the Invention When testing an internal combustion engine using the conventional method described above, it is necessary to
A large number of hoses for fuel, engine oil, etc. must be connected, and it would be a pain if these connections were made manually each time. Conventionally, automation was achieved by providing a connection mechanism between the base and the engine, but with this, the engine had to be very carefully aligned with the bench via the support plate. Further, such a connection mechanism is effective when the engines are of the same model, but cannot be used if the engines are of different models.

The purpose of the present invention is to absorb vibrations using anti-vibration rubber, while also making it possible to easily and reliably connect various hoses to multiple models of internal combustion engines using the same component. The present invention provides an internal combustion engine testing device.

Means for Solving the Problems In order to achieve the above object, the internal combustion engine testing apparatus of the present invention is provided with a support stand on which the internal combustion engine carried in via a pallet is mounted, and this support stand is attached to the front surface of the internal combustion engine. It has a fitting part for a positioning knob protruding from the side, and has a movable standing plate part that can press the rear face of the internal combustion engine so that it can be raised up or down.
The support base is arranged on a pedestal via a vibration isolating rubber,
A starting device that can be interlocked with a ring gear of an internal combustion engine is provided on the support stand, a pallet lifting device and a power absorption device that can be interlocked with the ring gear are provided on the mount side, and a predetermined number of plug bodies are mounted on the pallet. The flexible hose is provided in the vertical direction, and the end of the flexible hose connected to the upper end of the plug body is configured to be connectable to a predetermined location of the internal combustion engine, and when the pallet is lowered to the support stand side by the operation of the lifting device. a predetermined number of socket bodies to which the plug body connects are provided,
Supply/discharge hoses are connected to the lower ends of these socket bodies.

Effects According to the configuration of the present invention, vibrations can be absorbed by the vibration isolating rubber, and the internal combustion engine can be positioned on the support stand side via the positioning lock pin and the movable upright plate, so that the ring gear and the starting Interlocking with the device can be done automatically and easily, and various hoses can be connected to predetermined locations on various internal combustion engines via flexible hoses on the pallet side, and the pallet can be lowered and connected to the plug body. By connecting the socket body, this can be done automatically and easily.

Embodiment Hereinafter, an embodiment of the present invention will be described based on the drawings. Reference numeral 1 denotes a support stand, which is configured in an L-shape by a bottom plate part 1A and an upright plate part 1B, and the bottom plate part 1A is supported by a pedestal 3 via a plurality of vibration isolating rubbers 2. On the other side of the bottom plate part 1A, a movable standing plate part 4 which can be raised and laid down is attached via a horizontal shaft 5.
The actuating cylinder 6 that causes the sideways tilting is the bottom plate portion 1A.
It is installed on. A pressing elastic body 7 is attached to the inside of the movable upright plate portion 4. Reference numeral 8 denotes an internal combustion engine supported by a pallet 9 and carried above the bottom plate part 1A.
A plurality of positioning knob pins 10 that fit into B
A ring gear 12 is attached via a main shaft 13, and the ring gear 12 projects into a through-hole 11 formed in the upright plate part 1B. Further, a starter motor (starting device) 14 that can be interlocked with the ring gear 12 and a clutch box 16 containing a clutch 15 are attached to the upright plate portion 1B, and the clutch box 16 is further provided with a clutch cylinder 17.
The output shaft 18 from the clutch 15 can be interlocked with the ring gear 12. Reference numeral 19 denotes an example of a power absorption device, which consists of a pump motor 21 mounted on the pedestal 3 via a machine frame 20, and a power torque meter 23 interlocked with the pump motor 21 via a coupling 22. Total 23
An input shaft 27, which is interlocked via a coupling 24, a joint 25, and a coupling 26, is inserted into one of the clutches 15. The power absorption device 19
is surrounded by a soundproof cover 28, and a sound absorbing material 29 is attached to the inner surface of this soundproof cover 28. 3
0 is an elevating device for the pallet 9, which includes a lift cylinder 31 attached to the pedestal 3, an elevating plate 32 attached to its piston rod and located above the bottom plate 1A, and a plurality of supports erected from the elevating plate 32. It consists of a body 33. A predetermined number of plug bodies 34 are provided in the vertical direction on the pallet 9, and flexible hoses 35 are provided to connect to the upper ends of these plug bodies 34, and the ends of these flexible hoses 35 are connected to connectors 36. It is configured so that it can be connected to a predetermined location of the internal combustion engine 8 via the connector. And the bottom plate part 1A of the support stand 1
On the side, a predetermined number of socket bodies 37 are provided in the vertical direction to which the plug bodies 34 are connected when the pallet 9 is lowered by the operation of the lifting device 30, and supply and discharge hoses 38 are connected to the lower ends of these socket bodies 37.
are connected. 39 indicates a cylinder for carrying out pallets.

With the movable vertical plate section 4 lying down, the internal combustion engine 8
A pallet 9, which is made up of supporting materials, is carried above the bottom plate portion 1A by a conveyor or the like. At this time, the flexible hose 35 on the pallet 9 side is connected to a predetermined location of the internal combustion engine 8 via a connector 36. Then, with the pallet 9 supported by the support body 33 of the lifting device 30, the positioning knob pin 10 is inserted into the vertical plate portion 1.
Fit it to the B side. At this time, the ring gear 12 is located within the penetrating portion 11 and becomes capable of interlocking with the starter motor 14, and also interlocks with the output shaft 18. In this state, the movable upright plate portion 4 is erected and the rear surface of the internal combustion engine 8 is pressed by the pressing elastic body 7. This allows the internal combustion engine 8 to be completely locked onto the support base 1 side. Next, the lifting device 30 is operated downward to move the pallet 9 down and away from the internal combustion engine 8. By this lowering of the pallet 9, the corresponding plug bodies 34 are automatically connected to each socket body 37 all at once.
This allows supply and discharge between the internal combustion engine 8 and various devices via the connector 36, the flexible hose 35, the plug body 34, the socket body 37, and the supply and discharge hose 38. In this state, the test is started, and by operating the starter motor 14 with the clutch 15 in the disengaged state, the internal combustion engine 8 can be started, and the no-load operation is continued. At this time, the internal combustion engine 8
The vibrations can be absorbed by the vibration isolating rubber 2. Then, by switching the clutch 15 on, the rotational force of the internal combustion engine 8 can be transmitted to the power absorption device 19 side, and a shift can be made to load operation.

Effects of the Invention According to the present invention having the above configuration, when the internal combustion engine is locked on the support base attached via the vibration isolating rubber,
This internal combustion engine can be operated under load or without load, for example, when installed in a motor vehicle.
In addition, by adopting a system that absorbs vibrations using anti-vibration rubber, the entire structure can be made compact.
Furthermore, since the internal combustion engine is positioned on the support base side via the positioning dowel pin, centering with the starting device attached to the support base can be easily performed without requiring a highly accurate structure. In particular, according to the present invention, when connecting various hoses for cooling water, exhaust gas, fuel, engine oil, etc. to the internal combustion engine, first connect the flexible hose from the pallet side to a predetermined location on the internal combustion engine. This allows piping for multiple models of internal combustion engines to be easily and reliably done using the same component, and by lowering the pallet and connecting each socket body to the plug body, the pallet side Piping connections between the base and the mount can be easily and automatically performed all at once.

[Brief explanation of the drawing]

The drawing is a partially cutaway side view showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Support stand, 1A... Bottom plate part, 1B... Standing board part, 2... Vibration isolating rubber, 3... Mounting frame, 4... Movable standing board part, 8... Internal combustion engine, 9... Pallet, 10...
...Knock pin for positioning, 12...Ring gear,
14... Serial motor (starting device), 15... Clutch, 19... Power absorption device, 21... Pump motor, 23... Power torque meter, 30... Lifting device, 33... Support body, 34... Plug Body, 35...
...flexible hose, 36...connection tool, 37...socket body, 38...supply/discharge hose.

Claims (1)

[Claims] 1. A support stand is provided for mounting the internal combustion engine brought in via a pallet. It has a movable standing plate part that can stand up and fall down freely, the support base is disposed on the pedestal via vibration-proof rubber, the support base is provided with a starting device that can be interlocked with the ring gear of the internal combustion engine, and the pedestal side is provided with a pallet lifting device and a power absorption device that can be interlocked with the ring gear,
A predetermined number of plug bodies are provided in the vertical direction on the pallet, and the end of a flexible hose connected to the upper end of the plug body is configured to be connectable to a predetermined location of the internal combustion engine. 1. An internal combustion engine testing device characterized in that a predetermined number of socket bodies are provided to which the plug body connects when the pallet is lowered by the operation of the pallet, and supply and discharge hoses are connected to the lower ends of these socket bodies.