JP2564724Y2 - Dummy clutch for engine test - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dummy clutch for connecting an automatic transmission engine to a test dynamometer.

[0002]

BACKGROUND ART engines such as for automobiles is to perform the test in a test stand for raw <br/> production line is generally after assembly. When loading an automobile engine into the test line of a test stand, use the manual transmission
The engine (hereinafter simply referred to as M / T) is loaded with the flywheel and the clutch assembly assembled, and is used for an automatic transmission (hereinafter simply referred to as “M / T”).
An engine (referred to as A / T) is carried in a state where a drive plate for mounting a torque converter is assembled.

[0003] Upon this test, in the case of an engine for the M / T, connected to the dynamometer as it is a test stand, that have been tested. On the other hand, in the case of the A / T engine, as shown in FIG. 4, after removing the drive plate of the engine 1 , the M / T flywheel 2 and the clutch assembly 3 are attached to the test stand. The test was performed by connecting to the dynamometer 4 via the coupling shaft 5. This, when connected in a state in which with the only drive plate on the engine 1 to the dynamometer 4 in the test stand, the drive plate because there is no effect as a flywheel, can not absorb the torque pulsation generated from the engine 1 , Engine 1, connecting shaft 5,
This is to prevent torsional vibration from occurring in the shaft system of the dynamometer 4.

[0004] In the A / T engine, after the test is completed, the flywheel 2 and the clutch assembly 3 for the M / T are used.
Removal, it is to be conveyed to the next process by attaching the drive plate again.

[0005]

[Devised Problems to be Solved] above-mentioned conventional A /
In the test of the engine 1 for T , the following work had to be performed before and after the test process. Before testing by removing the bolts of a number from the engine (e.g., eight), the work of detaching the drive plate, mounting the flywheel 2 to the engine crankshaft in a number of bolts, further attaching the clutch member 3 to the flywheel 2 Need. Further, after the test is completed , it is necessary to remove the flywheel 2 and the clutch assembly 3 and then attach the drive plate again with bolts. As mentioned above, the conventional process before and after the test line
In there is a problem that many do not Senebanara the wasted work.

[0006] The present invention has been made in view of the above points, quickly be detached in an easy and simple work, moreover aims to provide Hisage dummy clutch for Rue engine test having a function as a flywheel.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object,
The configuration of the dummy clutch for engine test of the eye, die Na
Spline coupling to the coupling shaft connected to the
Hub spline between the flywheel and the presser bracket
And are integrally connected by a connecting bolt.
Detachable bolt that penetrates the holding bracket and flywheel in the axial direction
A dummy clutch is constructed by providing a crankshaft
Through the mounting bolt screwed into the screw hole provided on the end face of the
To the engine with the drive plate
Vacated by removing some of the mounting bolts
By screwing the detachable bolt into the screw hole, the crankshaft
Insert the drive plate on the end face of the
The hook is detachably attached .

[0008]

[Action] In engine tests step, of mounting bolts that attach the drive plate to the crankshaft
Partially removed, which Ru mounting by screwing the removable bolts dummy clutch screw holes are threaded. Meanwhile, remove the dummy clutch remove the detachable bolt after the test, previously
Screwed again threaded hole the removed mounting bolts, to return to the original state.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a dummy clutch for engine testing according to the present invention will be described below with reference to FIGS. In addition,
In this FIG. 1 to FIG. 3, the description thereof is omitted with the same reference numerals in the conventional example <br/> corresponding portion shown in FIG. 4 described above.

[0010] Figure 3 is a schematic explanatory view when testing the engine with a dummy clutch 1 in figure engine, 4 dynamometer, 5 is a bond axis. The engine 1 is an engine for A / T, in its crankshaft, that has the drive plate 6 is attached. The dynamometer 4 is connected to the drive plate 6 via the dummy clutch 7 and the coupling shaft 5, and is set to a test state. Various tests is Ru line crack in this test state.

The dummy clutch 7 is an A / T engine 1
Respect, Ru is mounted as shown in FIGS. A
The / T engine 1, that has the drive plate 6 is attached during loading to the test process. At the end of the crankshaft 8 for mounting the drive plate 6 , a circle centered on the axis of the crankshaft 8 intersects a line whose central angle is equally divided into eight.
Screw holes 9 that are formed in Waru position. Meanwhile, the drive to the plate 6, that is perforated insertion holes 10 corresponding with eight screw holes 9 in the boss. And washer 11
The mounting bolts 12 through which the drive plate 6 is inserted
After being inserted through the hole 10, each screw of the crankshaft 8 is
It is screwed into each of the small holes 9.

Attach the drive plate 6 during the test
It was to install a dummy clutch 7 to the crankshaft 8, and screwed into the screw hole 9 of the crankshaft 8 8
Of the mounting bolts 12, as shown in FIG. 2, sampling the one located on the four sides of every other, the mounting bolts 12
The dummy clutch 7 is attached by screwing the detachable bolts 20 into the four screw holes 9 that have been extracted .

As shown in FIGS. 1 and 2, the dummy clutch 7 is formed by integrally connecting a flywheel 13 and a hub spline 14. The boss of the flywheel 13 is attached to the crankshaft 8 described above.
At positions corresponding to the screw holes 9 in four positions withdrawn bolt 12, that are each insertion hole 15 is bored. Also, the boss portion of the flywheel 13, if adjacent insertion holes 15
Screw holes 16 on the outside between the teeth that have been drilled.

The hub spline 14 is a bookImplementationIn the example, a real car
ofM / TUsing clutch parts for
A cylindrical body having a flange 14a, the cylindrical hole of which is connected
Slidable on shaft 5Spline joinSpline grooveIs shaped
Doneing. The hub spline 14 is
Of the boss of the flywheel 13HoleFit on its flange
14aToAnnular holding bracket 17Fixed by
You. The presser fitting 17 has an insertion hole 15 for the flywheel 13.
WhenCorrespondingScrew hole 21ButDrillingIs, Fly wheel
Screw holes 16CorrespondingPositionInsertionThrough hole 18ButPunch
SettingHave beenYou. And four of the presser fittings 17InsertionThrough hole 1
To 8Inserted connectionBolt 19ButIn screw hole 16Screwed,
Flywheel 13 and hub spline 14Presser bracket 1
7 andTogetherCombinedYou.

[0015] The screw hole 21 of the pressing fixture 17, the insertion hole 15 of the flywheel 13, the insertion hole 10 of the drive plate 6, a screw hole 9 of the crankshaft 8 is supported
Therefore , each of the screw holes 21 and the like is inserted with a detachable bolt 20 which is threaded at the tip at the tip end thereof and is screwed into the screw hole 9.
Let As a result, the dummy clutch 7 is connected to the crankshaft 8. In this way, the drive plate
6 with the drive plate 6 attached to the engine 1
A dummy clutch 7 Ru attachment without removing. this
After that, dynamometer 4 engine 1 as shown in FIG. 3
Carry out various tests to connect to.

Next, after the test, four detachable bolts 2
0 Remove from the screw hole 21, remove the dummy clutch 7, and removed prior to testing four mounting bolts 12 are again threaded into the respective screw holes 9, to return to the initial state carrying the test line.

[0017] Incidentally, four detachable bolts 20 Ru attaching a dummy clutch 7 are the trunk fine type, be removed from the screw hole 9, the screw portion of the distal end of the detachable bolt 20 is bracing 1
7, the dummy clutch 7 does not fall off naturally and is easy to handle . Also,
Mounting bolts 12, coupling bolt 19, so identical size and shape of each hexagonal head of the detachable bolt 20, the attachment of the dummy clutch 7, good workability removal work. Further , the present invention is not limited to the above-described embodiment, and it goes without saying that various other configurations can be adopted without departing from the gist of the present invention.

[0018]

According to the dummy clutch for engine testing of the present invention as described in detail, according to the invention described above, an integral dummy clutch to couple the flywheel and the hub spline coupling bolts, the removable bolts of the engine crankshaft Clan dummy clutch by screwing the screw hole provided in
Since attachment to Kushafuto, in the test process of the engine, remove a portion of the mounting bolts are <br/> attach the drive plate to the crankshaft, which is screwed a detachable bolt into the screw hole which has been screwed dummy <br/> Install the clutch, after completion of test removes the dummy clutch remove the detachable bolt, again threaded into threaded holes of the mounting bolts removed earlier
Combined, the Ru can revert to the original state. Before and after the working step of the thus engine test line, the mounting and dismounting of the dummy clutch assumes simple and fast feasible, the effect of the carrying steps of setup Engineering number及 beauty components can be greatly reduced is there.

Moreover, since including a flywheel as a dummy clutch, when it was a test run in connection with the dynamometer absorbs torque pulsation generated from the engine, there is an effect that a torsional vibration can be prevented.
Furthermore, since the dummy clutch of the present invention can use the hub spline of the actual machine, the production cost can be reduced by using the hub spline, and it can be easily replaced when the spline portion is damaged by many tests. .

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of an engine test dummy clutch according to the present invention, showing an attached state to an engine.

FIG. 2 is a partial sectional front view of the embodiment.

FIG. 3 is a schematic explanatory view showing a test state of the embodiment.

FIG. 4 is a schematic explanatory view showing a test state of a conventional engine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Engine 4 ... Dynamometer 5 ... Coupling shaft 6 ... Drive plate 7 ... Dummy clutch 8 ... Crankshaft 9 ... Screw hole 10 ... Insertion hole 12 ... Mounting bolt 13 ... Flywheel 14 ... Hub spline 15 ... Insertion hole 16 ... Screw Hole 17: Holder 18: Insertion hole 19: Connection bolt 20: Detachable bolt 21: Screw hole

Claims (1)

(57) [Scope of request for utility model registration] (1) A coupling shaft connected to a dynamometer has a slide.
Fly spoon for hub spline
Between the tool and the holding bracket and integrated with the connecting bolt
With the holding bracket and flywheel
Dummy clutch is constructed with detachable bolts penetrating in the direction
And screwed into a screw hole provided on the end face of the crankshaft.
The drive plate is attached via bolts
Removing some of the mounting bolts from the engine
Screwing the detachable bolt into the screw hole opened by
Then, put the drive plate on the end face of the crankshaft
To make the dummy clutch attachable and detachable.
A dummy clutch for an engine test, characterized in that: