JPH11337451A - Device for testing transmission of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To adapt to changes in the input axis and output axis of a transmission. SOLUTION: A transmission mount 8 and a drive motor 9 are installed on the vertically movable first common bed 3, and a pair of gear mechanisms 15 and 16 and a dynamometer 17 are installed on the laterally movable second common bed 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission test apparatus for testing a transmission of a vehicle.

[0002]

2. Description of the Related Art In a conventional vehicle transmission test apparatus such as a transaxle (FF transmission), a drive motor serving as an engine is connected to an input side of the transmission, and an output side of the transmission is connected. And a pair of gear mechanisms via a pair of output shafts, and a dynamometer for power absorption is connected to one of the gear mechanisms.

[0003]

However, in the above-described conventional transmission test apparatus, the positional relationship between the input shaft and the output shaft of the transmission is fixed, and it is possible to cope with a change in the positional relationship. Did not.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and has a vehicle transmission testing apparatus capable of coping with a change in the positional relationship between an input shaft and an output shaft of a transmission. The purpose is to obtain.

[0005]

According to a first aspect of the present invention, there is provided a vehicle transmission testing apparatus in which a transmission mount and a drive motor are mounted on a first common bed which can move up and down, and a pair of gear mechanisms. And a dynamometer attached to a second common bed that can move left and right with respect to the transmission input side.

According to a second aspect of the present invention, there is provided a vehicle transmission test apparatus.
While fixing the position of the transmission mount and the drive motor,
A pair of gear mechanisms and a dynamometer are mounted on a common bed that can move up and down and move left and right with respect to the input side of the transmission.

According to a third aspect of the present invention, there is provided a vehicle transmission testing apparatus.
While fixing the position of the transmission mount and the drive motor,
Each gear mechanism can be moved up and down, and a pair of input shafts of each gear mechanism connected to the output shaft is provided on the left and right sides of the transmission input side, and each input shaft is in a direction perpendicular to the output shaft. It is swingable.

[0008]

Embodiment 1 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
1 (a) and 1 (b) are a plan view and a side view of a vehicle transaxle test apparatus according to Embodiment 1 of the present invention, wherein 1 is a fixed base provided on a floor 2 and 3 is a fixed base 1. A first common bed supported above via a screw jack 4, 5 is a jack motor provided on the fixed base 1, and 6 is a jack connecting shaft connecting the jack motor 5 and the screw jack 4. , The screw jack 4, the jack motor 5, and the jack connection shaft 6 constitute a vertical movement mechanism of the first common bed 3. Reference numeral 7 denotes a specimen (transaxle), which is attached to a specimen mounting stand 8 erected on the first common bed 3.

Reference numeral 9 denotes a drive motor provided on the first common bed 3, which functions as an engine. Also, 1
Reference numeral 0 denotes an input shaft torque meter provided on the first common bed 3.
1 and the input shaft of the specimen 7 via the torque meter 10.

Reference numeral 12 denotes a pit provided on the floor 2.
The pit 12 is provided with three moving rails 13 at right angles to the connecting shaft 11. Reference numeral 14 denotes a second common bed provided on the three moving rails 13 so as to be movable left and right. A pair of gear mechanisms 15 and 16 are provided on the second common bed 14 so as to face each other. A dynamometer 17 for power absorption is provided. The input side of each of the gear mechanisms 15 and 16 is connected to the output side of the specimen 7 via an output shaft 18, and the gear mechanism 16 has a dynamometer 17.
Are linked. The gear mechanisms 15 and 16 are connected by a gear connecting shaft 19 to make the speed equal.

In the above configuration, when the drive motor 9 is rotated, this rotation is transmitted to the input side of the specimen 7 via the connecting shaft 11 and the torque meter 10, and after the gear is shifted in the specimen 7, the output is The power is transmitted to the gear mechanisms 15 and 16 via the pair of output shafts 18 and further transmitted to the dynamometer 1.
7 and its power is absorbed. The vertical movement of the first common bed 3 is performed by moving the screw jack 4 up and down via the jack connecting shaft 6 by driving the jack motor 5.

By the way, the positional relationship between the input shaft and the output shaft of the specimen 7 may change depending on the type of the specimen 7. In this case, the first common bed 3 is moved up and down by the up-down movement mechanism, or The adjustment is performed by moving the two common beds 14 left and right along the moving rail 13.
Further, in the specimen 7, the output side may be located on the right side or the left side as shown in FIG. 1 with respect to the input side (engine connection side). If the first common bed 3 is located on the left side, the fixed base 1 and the first common bed 3 are once removed, and the second common bed 14 is moved along the moving rail 13 to the left from the position of the first common bed 3. After that, the fixed base 1 and the first common bed 3 are attached to predetermined positions again.

In the first embodiment, the drive motor 9 and the like can be moved up and down, and a pair of gear mechanisms 1 are provided.
5, 16 and the dynamometer 17 can be moved to the left and right, and even if the positional relationship between the input shaft and the output shaft of the specimen 7 changes, the connection angle of the input side and the output side of the specimen 7 is the same as that of the actual vehicle. In this way, the test of the specimen 7 can be performed, the output rotational speed of the specimen 7 can be made equal to or more than that of the actual vehicle, and the test accuracy can be improved. In addition, damage to the connection mechanism between the specimen 7 and the drive motor 9 and the gear mechanisms 15 and 16 and damage to the specimen 7 itself are reduced. further,
The lifespan of the gear mechanisms 15 and 16 is extended, and the noise is comparable to that of an actual vehicle.

Embodiment 2 In Embodiment 1, in order to cope with a change in the positional relationship between the input side and the output side of the specimen 7, the first common bed 3 is moved up and down, and the second common bed 14 is moved. Is moved left and right, but in the second embodiment, the first
The common bed 3 is fixed, and the second common bed 14 has a function of vertical movement and horizontal movement. In this case, the vertical movement and the horizontal movement of the second common bed 14 may be performed using a hoist. In the second embodiment, the same effect as in the first embodiment can be obtained.

FIG. 2 is a plan view of a transaxle test apparatus for a vehicle according to a third embodiment. Reference numerals 20 and 21 denote fixed bases of gear mechanisms 15 and 16, and reference numeral 22 denotes a front and rear of the gear mechanism 16 on the fixed base 21. , A pair of bearing stands, and 23 is a bearing stand 2
A pair of bearings 24 provided on the 2 are dynamometer connection shafts in the gear mechanism 16, which are rotatably supported by bearings 23 and connected to the dynamometer 17. 25 is a connecting rod of the vertical movement mechanism.

FIG. 3 is a longitudinal sectional front view of the gear mechanism 15, FIG. 4 is a longitudinal sectional side view of the gear mechanism 15, and FIG. 5 is a front view of the gear mechanism 15. A fixed base 20 has a jack motor 26 and Screw jacks 27 are provided on both sides thereof, and both are connected by a connecting shaft 28 for jacks. Reference numeral 29 denotes an outer case of the gear mechanism 15, which is supported by the fixed base 20 via the screw jack 27. Reference numeral 30 denotes an output shaft rotatably supported by the outer case 29. An output gear 31 is attached to the output shaft 30, and one end of a gear connecting shaft 19 is connected thereto. 33 is the outer case 2
9, a pair of inner cases supported on both sides of the connecting shaft 11 by a swing shaft 32 so as to be swingable. The swing shaft 32 is provided with a gear 34, and the gear 34 meshes with the output gear 31. I do. An input shaft 35 is rotatably supported by the inner case 33. One end of the input shaft protrudes from the arc window 29a of the outer case 29, and one output shaft 18 is connected to one input shaft 35.

An input gear 36 is attached to the input shaft 35 in an inner case 33.
The gear 3 meshes with a gear 34 via a gear 37 rotatably supported in the gear 3. Reference numeral 38 denotes a swinging cylinder mounted on both sides of the outer case 29.
Is linked to 39 is an outer case 29 and an inner case 33
An oil-proof rubber sheet for sealing between the inner case 33 and the inner case 33
Reference numeral 41 denotes a lock portion for locking the inner case 33 after swinging by the swing cylinder 38.

FIGS. 6 and 7 show a vertical front view and a vertical side view of the gear mechanism 16. An outer case 43 of the gear mechanism 16 is provided on the fixed base 21 via a plurality of screw jacks 42. 42 are connected by a connecting shaft 50 for the jack, and the screw jack 42 is connected to the screw jack 27 on the gear mechanism 15 side via the connecting rod 25 to interlock. Reference numeral 44 denotes an output shaft rotatably supported by the outer case 43. An output gear 45 is attached to the output shaft 44, and the other end of the gear connection shaft 19 is connected thereto. Reference numeral 46 denotes a pair of left and right inner cases with respect to the input side of the specimen 7 which are swingably supported in the outer case 43 via a swing shaft 47. The swing shaft 47 is provided with a gear 48. , And the gear 48 mesh with the output gear 45.

Reference numeral 49 denotes an input shaft rotatably supported by the inner case 46. One end of the input shaft 49 projects from an arc window (not shown) provided in the outer case 43.
Is connected to the other output shaft 18. An input gear 51 is attached to the input shaft 49 in the inner case 46. The input gear 51 meshes with the gear 48 via a gear 52 rotatably supported in the inner case 46. Numerals 53 denote swing cylinders mounted on both sides of the outer case 43, which are connected to the inner case 46, respectively. Others
Although not shown, a shake preventing portion and a lock portion of the inner case 46 are provided.

Reference numeral 54 denotes a rotating shaft rotatably supported by the outer case 43, and a gear 55 meshing with the output gear 45.
Is attached. Reference numeral 56 denotes a rotating shaft rotatably supported by the outer case 43, and the rotating shaft 56 includes
7 is rotatably supported, and a gear 58 is mounted in the inner case 57, and the gear 58 meshes with the gear 55. An inner case 59 is rotatably supported in the outer case 43 by a dynamometer connecting shaft 24 rotatably inserted in the outer case 43. A gear 60 is attached to the dynamometer connecting shaft 24 in the inner case 59. Have been. Reference numeral 61 denotes a rotating shaft rotatably inserted through the inner cases 57 and 59.
Gears 62 and 63 are attached at 7, 59, and the gear 62 meshes with the gear 58, and the gear 63 meshes with the gear 60.

FIG. 8A shows a support structure for the output shaft 44. The output shaft 44 is rotatably supported by the outer case 43 by bearings 64 and 65, and the rotary shaft 54 has the same structure. FIG. 8B shows a support structure for the rotating shaft 56. The rotating shaft 56 is rotatably supported by the outer case 43 by bearings 66 and 67, and the rotating shaft 56 is supported by the inner case 57 via bearings 68 and 69. Is rotatably supported. FIG.
(C) shows a support structure for the rotating shaft 61. The rotating shaft 61 is rotatably supported by the inner case 59 via bearings 70 and 71, and is rotatably supported by the inner case 57 via bearings 72 and 73. Supported.

In the above configuration, when the drive motor 9 is driven, the input side of the specimen 7 rotates via the connecting shaft 11 and the torque meter 10, and after the gears are internally shifted, the output thereof is output via the output shaft 18. The rotation is transmitted to the input shafts 35 and 49 of the mechanisms 15 and 16, and in the gear mechanism 15, this rotation is transmitted to the output shaft 30 via the input gear 36, the gears 37 and 34 and the output gear 31, and output to the gear connecting shaft 19. Is done. On the other hand, in the gear mechanism 16, the rotation of the input shaft 49 is transmitted to the output shaft 44 via the gears 51, 52, 48, 45 and output to the gear connecting shaft 19. The rotation of the output gear 45 is transmitted to the dynamometer connecting shaft 24 via the gears 55, 58, 62, the rotating shaft 61, and the gears 63, 60, and transmitted to the dynamometer 17. The dynamometer 17 absorbs this power.

When the jack motor 26 is driven,
This rotation is transmitted to the screw jack 27 via the jack connecting shaft 28, and moves the gear mechanism 15 up and down.
This rotation is also transmitted to the screw jacks 42 on the gear mechanism 16 side via the connecting rod 25 and transmitted to all the screw jacks 42 by the connecting shaft 50 to move the gear mechanism 16 up and down. In addition, the swing cylinder 38,
The inner casings 33 and 46 are driven by the driving of
7, the positions of the input shafts 35 and 49 can be changed.

In the third embodiment, each of the gear mechanisms 15 and 16 connected to the output side of the specimen 7 can be moved up and down, and each gear mechanism 1 and 16 connected to the output side of the specimen 7 can be moved up and down.
A pair of left and right input shafts 35 and 49 are provided to the input side of the specimen 7 and the swingable inner case 33 and 49 are provided.
46, and can easily cope with a change in the positional relationship between the input shaft and the output shaft of the specimen 7. In addition, the input shafts 35 and 49 have a pair of left and right
The output side can easily cope with the input side (engine side) on the right side or on the left side, and the same effect as in the first embodiment can be obtained.

The up and down movement of the gear mechanisms 15 and 16 is 1
The two jack motors 26 are used and connected by the connecting rods 25, so that they are linked to each other. However, the jack motors are also provided on the gear mechanism 16 side, and the connecting rods 25 are eliminated to perform up and down movements separately. You may do so. Alternatively, the positional relationship between the input shaft and the output shaft of the specimen 7 may be input in advance by a numerical value, and the jack motor 26 and the oscillating cylinders 38 and 53 may be driven in accordance with the numerical input.

[0026]

As described above, according to the first aspect of the present invention, the transmission mount and the drive motor are mounted on the first common bed which can move up and down, and the pair of gear mechanisms and the dynamometer are moved left and right. It is attached to a possible second common bed, and can cope with a change in the positional relationship between the input shaft and the output shaft of the transmission. Therefore, the connection angles of the input side and the output side of the transmission can be made similar to those of the actual vehicle, and the test accuracy can be improved, and
These breaks can be prevented.

According to a second aspect of the present invention, the transmission mount and the drive motor are fixed in position, and a pair of gear mechanisms and a dynamometer are mounted on a common bed which can move up and down and can move left and right. It is possible to cope with a change in the positional relationship between the input shaft and the output shaft of the machine, and has the same effect as the first aspect.

According to the third aspect, the transmission mounting base and the drive motor are fixed in position, each gear mechanism can be moved up and down, and a pair of left and right input shafts of each gear mechanism connected to the output shaft is provided. , Each input shaft is swingable in a direction perpendicular to the output shaft, and has the same effect as the first aspect.

[Brief description of the drawings]

FIG. 1 is a plan view and a side view of a vehicle transaxle test apparatus according to Embodiment 1 of the present invention.

FIG. 2 is a plan view of a transaxle test device for a vehicle according to a third embodiment.

FIG. 3 is a vertical sectional front view of a gear mechanism according to a third embodiment.

FIG. 4 is a vertical sectional side view of a gear mechanism according to a third embodiment.

FIG. 5 is a front view of a gear mechanism according to a third embodiment.

FIG. 6 is a vertical sectional front view of another gear mechanism according to the third embodiment.

FIG. 7 is a longitudinal sectional side view of another gear mechanism according to the third embodiment.

FIG. 8 is a partially enlarged view of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 3 ... 1st common bed 4, 27, 42 ... Screw jack 5, 26 ... Jack motor 6, 28, 50 ... Jack connection shaft 7 ... Test piece (transaxle) 8 ... Mounting stand 9 ... Drive motor 13 ... Rail 14: second common bed 15, 16: gear mechanism 17: dynamometer 18: output shaft 33, 46 ... inner case 35, 49 ... input shaft 38, 53 ... swing cylinder

Claims (3)

[Claims] 1. A drive motor is connected to an input side of a vehicle transmission mounted on a mounting base, and a pair of gear mechanisms is connected to an output side of the transmission via a pair of output shafts. In a transmission test apparatus for a vehicle in which a dynamometer is connected to a vehicle, a transmission mount and a drive motor are mounted on a first common bed that can move up and down, and a pair of gear mechanisms and a dynamometer are connected to a transmission input side. A transmission testing device for a vehicle, wherein the transmission testing device is mounted on a second common bed that can move left and right. 2. A drive motor is connected to an input side of a vehicle transmission mounted on a mounting base, and a pair of gear mechanisms is connected to an output side of the transmission via a pair of output shafts. In a vehicle transmission testing device with a dynamometer connected to the transmission, the transmission mount and the drive motor are fixed in position, and a pair of gear mechanisms and the dynamometer can be moved up and down and can be moved left and right with respect to the transmission input side. A transmission testing device for a vehicle, which is mounted on a simple common bed. 3. A drive motor is connected to an input side of a vehicle transmission mounted on a mount, and a pair of gear mechanisms is connected to an output side of the transmission via a pair of output shafts. In a transmission test apparatus for a vehicle in which a dynamometer is connected to the transmission, the transmission mount and the drive motor are fixed in position, each gear mechanism can be moved up and down, and an input of each gear mechanism connected to the output shaft is provided. A transmission test apparatus for a vehicle, wherein a pair of left and right shafts are provided on a transmission input side, and each of the input shafts swings in a direction perpendicular to the output shaft.