JP2001165282A - Transmission test apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that it takes labor and time for the set-up in a conventional test apparatus which selectively uses many kinds of base plates different in position of a locating pin since the position of locating holes is slightly different according to the kind of a transmission. SOLUTION: The transmission test apparatus comprises a positioning support device 2, a fitting head 3 and a rotation device 4, the support device 2 comprises an angle adjusting means to turn the transmission A around an input shaft, and the fitting head 3 comprises a plurality of pin fitting parts to attach/detach the locating pin 18. The position of the locating pin 18 in the fitting head 3 is selected according to the position of the locating hole D of a housing B, the locating hole is aligned with the locating pin without using many kinds of base plates by turning the transmission A, and the labor and time of the set-up are saved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission testing apparatus used for testing the performance of an automobile transmission.

[0002]

2. Description of the Related Art A test apparatus of this kind includes, for example, a support device for supporting a transmission and a rotary drive device using a motor as a drive source. The input shaft of the transmission is rotated by a rotary drive device instead of an engine. When driven, various performances such as transmission power transmission performance and vehicle-mounted performance are checked. In particular, the test equipment used for practical performance tests uses an open end face of the housing of the transmission (an end face connected to the engine) to keep the transmission in the same position as in the vehicle.
And a mounting head for positioning which abuts the contact.
At this time, a locating hole for coupling with the engine is provided in the opening end face of the housing, whereas a locating pin is provided in the mounting head. In performing the test, the transmission is positioned by bringing the opening end face of the housing into contact with the mounting head and engaging the locating hole and the locating pin.

[0003] Such a vehicle transmission testing device is described in, for example, pages 42 to 47 of "Vehicle Technology Handbook <3rd Volume> Test and Evaluation Edition" issued by the Japan Society of Automotive Engineers. ing.

[0004]

By the way, in the production of automobiles, a plurality of types of vehicles are manufactured, and a plurality of types of engines and transmissions are also manufactured in correspondence with the types of vehicles. As an affected external structure, the location of the locate hole of the housing is different.

In order to cope with such a difference in the location of the locate hole, a conventional transmission test apparatus has a locate pin which can be attached to and detached from a mounting head, and the location of the locate pin is adjusted in accordance with the location of the locate hole. There was something we changed. However, with the structure in which the locate pin is attached and detached, if the location of the locate hole is slightly different, the location of the locate pin in the installation head will be partially overlapped. Cannot locate pin.

Therefore, in the conventional test apparatus, a plurality of types of base plates having locate pins arranged in accordance with the positions of the locate holes are prepared, and the corresponding base plates are mounted on the mounting head according to the type of transmission to be tested. But in this case,
Since it is necessary to replace the base plate every time the type of transmission changes, there is a problem that the setup work is troublesome and time-consuming, and equipment and maintenance costs are required because various types of base plates are required. There is a problem of bulking, and solving such a problem has been an issue.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and is a time and labor required for setup work when testing a plurality of types of transmissions having different locations of locate holes in a housing. It is an object of the present invention to provide a transmission test apparatus capable of saving the cost and reducing the equipment cost and the maintenance cost.

[0008]

According to a first aspect of the present invention, there is provided a transmission testing apparatus comprising: a supporting device for supporting a transmission; and a mounting head for abutting an opening end face of a housing of the transmission supported by the supporting device. A rotation drive device for rotating the input shaft of the transmission positioned by the support device and the mounting head, the support device includes angle adjusting means for rotating the transmission around the input shaft, and the mounting head includes a housing. 3. A structure comprising: a locating pin for engaging and disengaging a locating hole in an opening end face of the opening; and a plurality of pin mounting portions to which the locating pin can be attached and detached.
Preferably, the supporting device includes a height adjusting unit that moves the transmission in the vertical direction. As a third embodiment, the supporting device includes a feed adjusting unit that moves the transmission in the forward and backward directions with respect to the mounting head. According to a fourth aspect of the present invention, the transmission is an automatic transmission having a torque converter housed inside the opening of the housing, and the rotary drive device can move forward and backward with respect to the transmission positioned by the support device and the mounting head. And a drive shaft that is axially disengageable with respect to the input shaft of the transmission, and a drive source for the drive shaft. Means to solve the problem.

[0009]

In the transmission testing apparatus according to the first aspect of the present invention, the locating pin is mounted on the pin mounting portion selected in the mounting head corresponding to the position of the locating hole formed in the opening end face of the transmission housing. I do. Then, the transmission is supported by the supporting device, and the opening end face of the housing is brought into contact with the mounting head, and the locating pin and the locating hole of the mounting head are engaged to position the transmission. At this time, if there is a deviation between the position of the locate pin and the position of the locate hole, the transmission is rotated around the input shaft by the angle adjusting means of the support device, and the position of the locate pin and the locate hole are aligned. After that, various tests are performed by rotating the input shaft of the transmission with the rotary drive device.

In the transmission testing apparatus according to the second aspect of the present invention, when positioning the transmission, the transmission is moved up and down by the height adjusting means of the support device, so that the shaft alignment of the transmission and the rotary drive device is achieved. , And alignment between the locate pin and the locate hole.

In the transmission testing device according to the third aspect of the present invention, when positioning the transmission, the transmission is moved in the advancing / retreating direction with respect to the mounting head by the feed adjusting means of the support device, and the locating pin and the locating hole are formed. And the contact and separation between the housing and the mounting head.

In the transmission testing apparatus according to a fourth aspect of the present invention, an automatic transmission in which a torque converter is housed inside the opening of the housing is to be tested, and the transmission is positioned by the support device and the mounting head. By moving the slide body of the rotary drive device forward and backward, the drive shaft is moved forward and backward together with the drive source, and the drive shaft and the input shaft of the transmission (the input shaft of the torque converter) are disengaged.
Here, when the drive shaft and the input shaft are engaged, after the drive shaft is engaged with the input shaft by advancing the slide body, the slide body is further advanced until the rear surface of the torque converter comes into contact with the housing. Thereafter, the slide body is retracted so that the axial distance between the opening end face of the housing and the front face of the torque converter and the gap between the rear face of the torque converter and the housing have the dimensions in a vehicle-mounted state.

[0013]

According to the transmission test apparatus according to the first aspect of the present invention, a locating pin selectively attached to and detached from a plurality of pin mounting portions of the mounting head;
By using a support device with angle adjustment means to rotate the transmission around the input shaft, conventional multiple types of base plates are eliminated when testing multiple types of transmissions with different locations of locate holes in the housing. Even if the position of the locate hole is slightly deviated, the transmission can be rotated to easily and quickly align the locate pin of the mounting head with the locate hole, thereby making the setup work easier. It can save you a lot of time and effort,
The work efficiency for the test can be significantly increased. In addition, since various types of base plates are eliminated, equipment costs and maintenance costs can be reduced.

According to the transmission testing apparatus of the second aspect of the present invention, the same effect as that of the first aspect can be obtained, and in addition, the supporting apparatus provided with height adjusting means for moving the transmission in the vertical direction. By adopting, the degree of freedom of axis alignment of the transmission and the rotary drive, and alignment of the locating pin of the mounting head with the locating hole of the housing can be further expanded, and it is possible to respond to a wider variety of transmissions. Will be possible.

According to the transmission test apparatus of the third aspect of the present invention, the same effects as those of the first and second aspects can be obtained, and in addition, the feed adjustment for moving the transmission with respect to the mounting head in the reciprocating direction. By adopting the supporting device having the means, the positioning of the transmission with respect to the mounting head and the release of the positioning can be performed easily and quickly, and the work efficiency concerning the test can be further improved.

According to the transmission testing apparatus of the fourth aspect of the present invention, the same effects as those of the first to third aspects can be obtained, and in addition, the rotary drive device includes a drive source and a drive shaft, and moves forward and backward. By adopting the sliding body that can be engaged, it is possible to easily and quickly engage and disengage the input shaft and the drive shaft of the transmission that is positioned, which can contribute to a further improvement in work efficiency concerning the test. In particular, when the drive shaft and the input shaft are engaged with each other, a simple operation of moving the slide body forward and then retreating by a predetermined amount allows an axial distance between the open end surface of the housing and the front of the torque converter to be reduced. By adjusting the gap between the back of the torque converter and the housing, the position of the torque converter in the housing can be made to be the same as that in the vehicle. It can also contribute to the development.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a transmission test apparatus according to the present invention will be described below with reference to the drawings.

The test device shown in FIG. 1A performs a performance test of the transmission A. The test device includes a support device 2 for supporting the transmission A on a base 1 in a vehicle-mounted attitude, and a support device 2. Transmission A supported
A mounting head 3 for abutting an open end face of the housing B (an end face to be connected to the engine) of the housing B, and a rotation driving device 4 for rotating and driving the input shaft of the transmission A positioned by the support device 2 and the mounting head 3.

The transmission A is an automatic transmission in which a torque converter C is housed inside an opening of a housing B. Here, as shown in FIG. 1B, the torque converter C has a connecting plate 5 fixed to the front and a connecting member 6 fixed to the input shaft. Function as input shafts of the torque converter C and the transmission A. A plurality of (two in this embodiment) locating holes D for coupling to the engine are provided in the opening end surface of the housing B of the transmission A.

The supporting device 2 includes a lower plate 7 fixed on the base 1 and an upper plate 8 facing the upper side of the lower plate 7. And two sets of supporting link mechanisms 10. The two plates 7, 8, the support column 9, and the link mechanism 10 constitute a height adjusting means for moving the transmission in the vertical direction A. The height adjusting means may be configured to include an actuator for driving the support column 9 and the link mechanism 10 up and down or a manual drive mechanism. In addition, since the transmission A is a heavy object, it is more preferable that the configuration is designed to save labor, particularly in the case of a manual drive mechanism.

On the upper surface of the upper plate 8, there are provided a slide table 11 and a slide block 12 which can advance and retreat with respect to the mounting head 3 on the slide table 11. The slide table 11 and the slide block 12 constitute feed adjusting means for moving the transmission A in the forward and backward directions with respect to the mounting head 3. This feed adjusting means can be configured to move the slide block 12 by an actuator for driving horizontally or a manual driving mechanism or the like, and, like the height adjusting means, saves power in the case of a manual driving mechanism. It is more desirable that the configuration has been designed.

Further, on the upper surface of the slide block 12, a rotation block 13 for mounting and fixing the transmission A is provided. And slide block 1
The angle adjusting means for rotating the transmission A about the input shaft is constituted by the rotation block 2 and the rotation block 13. In this angle adjusting means, for example, the joint surface between the slide block 12 and the rotation block 13 is an arc surface centered on or near the input shaft of the transmission A, and is rotated by an actuator or a manual drive mechanism. The moving block 13 is rotated along an arc surface.
Thus, the transmission A fixed to the rotation block 13 rotates around the input shaft. Even in the case of the angle adjusting means, as in the case of the height adjusting means, in the case of a manual driving mechanism, it is more preferable that the angle saving means be configured to save labor.

In the rotation block 13, the transmission A can be securely fixed by bolts or a clamper, but as shown by a virtual line in the drawing,
Support plate 14 corresponding to the side of transmission A
May be provided to more reliably hold the transmission A inclined by rotation.

The mounting head 3 is provided upright between the support device 2 and the rotary drive device 4 and has a transmission A
A base plate 17 having a plurality of pin mounting portions 16A to 16P is fixed to a surface on the transmission A side as shown in FIG. Pin mounting part 16A
A plurality of locating pins 18 that can be attached to and detached from Ｐ16P (two locating pins 18 corresponding to two locating holes D in this embodiment)
Have.

The base plate 17 of this embodiment has five substantially fan-shaped divided plates 17A to 17E arranged in a C-shape with the opening 15 of the mounting head 3 at the center. It is possible. Each split plate 1
7A to 17E are fixed to the mounting head 3 with bolts.

Each of the pin mounting portions 16A to 16P has a hole shape and is arranged in accordance with the position of the various locating holes D of the plurality of types of transmissions A. At this time, the pin mounting portions 16A to 16P rotate around the input shaft within a predetermined range. The plurality of locate holes D that are displaced in the direction are provided at positions corresponding to one of them. In this manner, each pin mounting portion 16
A ~ 16P, without adjacent ones communicating,
Each is completely independent.

The rotary driving device 3 includes a slide body 19 that can move forward and backward with respect to the transmission A positioned by the support device 2 and the mounting head 3. Here, a plurality of guide rods 20 arranged horizontally and parallel to each other and a screw shaft 21 arranged parallel to the guide rods 20 are provided on the base 1. Is a handle 22 for rotating operation.
Is provided. On the other hand, the slide body 19 includes a slide member 23 slidably engaged with the guide rod 20 and a nut member 24 having a built-in ball screw or the like screwed into the screw shaft 21 on the lower surface. By rotating the handle 22, the screw shaft 2 is rotated.
The first rotational movement is converted into a linear movement along the guide rod 20 to move horizontally.

A motor 25 as a drive source is provided on the upper surface of the slide body 19, and an output shaft 26 of the motor 25 is provided.
A drive shaft 28 is connected via a joint 27 to which sensors can be attached. Here, the connecting member 6 described above, which is the input shaft of the transmission A, has the structure shown in FIG.
As shown in FIG. 2, two connection holes 29 penetrating in the axial direction are provided. On the other hand, the driving shaft 28 has
9 is provided with a connecting projection 30 which is engaged and disengaged. This allows
The drive shaft 28 is axially detachable from the connecting member 6 and transmits rotation to the connecting member 6 and the input shaft of the transmission A in the engaged state.

When performing the test, the transmission A test apparatus having the above-described configuration is selected at the mounting head 3 in accordance with the position of the locate hole D formed in the opening end face of the housing B of the transmission A. The locate pin 18 is mounted on the pin mounting portions 16A to 16P. Then, in the support device 2, the transmission A is moved up and down by the height adjusting means, so that the axis of the transmission A and the rotary drive unit 4, that is, the axis of the coupling member 6 and the drive shaft 28 are aligned. Next, the transmission A is advanced by the feed adjusting means toward the rotary driving device 4, and the opening end face of the housing B is brought into contact with the base plate 17 of the mounting head 3 while the locating hole D and the locating pin 18 are engaged with each other. Position A.

At this time, locate hole D and locate pin 1
If there is a deviation from the position 8, the transmission A is rotated around the input shaft by the angle adjusting means of the support device 2, and the position of the locate hole D and the locate pin 18 are aligned.

That is, the positions of the two types of locate holes D are slightly different, and the positional relationship between the two is different between the actual pin mounting portion 16A in FIG. 2 and the virtual pin mounting portion 1 adjacent thereto.
It is assumed that they are partially overlapped as shown by 6Q. In this case, since it is difficult to provide two pin mounting portions that partially overlap one base plate, conventionally, a base plate provided with a locate pin at the position of the actual pin mounting portion 16A and a virtual pin mounting portion 16Q Both of the base plates provided with the locating pins were prepared. Therefore, replacement of the base plate was also required.

On the other hand, in the test apparatus, if the locating pin 18 is mounted on the actual pin mounting portion 16A, it can be engaged with the locating hole D at the corresponding position. When the locate hole D is located at a position corresponding to the virtual pin mounting portion 16Q, the transmission A is rotated by the angle adjusting means by the displacement of the two types of locate holes D, that is, by the angle θ shown in FIG. By doing so, the positions of the locate pin 18 and the locate hole D actually mounted on the pin mounting portion 16A are matched, and both can be engaged. Therefore, according to the test device,
There is no need to prepare various types of base plates, and it is not necessary to replace the base plates.

As described above, in the test apparatus, the locating pins 18 are selectively mounted on the actual pin mounting portions 16A to 16P, and the angle adjusting means is used as necessary, whereby the actual pin mounting portions 16A to 16P are used. In addition to the position of the locating hole D, it is possible to engage the locating hole 18 and the locating pin 18 corresponding to more positions including the positions of the virtual pin mounting portions 16Q to 16Z. The positioning of the type of transmission A becomes possible.

After the transmission A is positioned by the support device 2 and the mounting head 3 as described above, the slide body 19 is advanced to the transmission A side by the rotary driving device 4 and is passed through the opening 15 of the mounting head 3. The drive shaft 28 and the connecting member (input shaft) 6 are connected.

At this time, in the transmission A, the torque converter C may be displaced in the axial direction, and as shown in FIG.
The axial distance S1 between the opening end face of the housing B and the front face of the torque converter C and the gap S2 between the rear face of the torque converter C and the housing B need to have predetermined dimensions.

Therefore, in the test apparatus, the slide 1
After the drive shaft 9 is advanced by the distance L to connect the drive shaft 28 and the connecting member 6, the slide body 19 is further advanced to bring the rear surface of the torque converter C into contact with the housing B. The converter C is retracted by the gap S2 between the rear surface of the converter C and the housing V. Thereby, the torque converter C in the transmission A
Is corrected.

As described above, in the test apparatus, the locating pin 18 which is selectively attached to and detached from the plurality of pin mounting portions 16A to 16P of the mounting head 3, and the angle adjustment for rotating the transmission A about the input shaft The support pin 2 provided with the means allows the locating pin 1 of the mounting head 3
The positioning of the hole 8 and the locate hole D is easily and quickly performed, and the labor and time required for the setup work are greatly saved. Further, the setting operation of the transmission A is further facilitated by the height adjusting means and the feed adjusting means.
The torque converter C is operated by a simple operation of moving
The test can be performed by setting the position of the vehicle to the same position as the vehicle-mounted state.

[Brief description of the drawings]

FIG. 1 is a side view of a transmission test apparatus according to an embodiment of the present invention in a partially broken state for explaining the embodiment.

FIG. 2 is a front view illustrating a base plate.

FIG. 3 is a cross-sectional view of a main part for explaining a connection procedure between a drive shaft and a connection member.

[Explanation of symbols]

Reference Signs List A Transmission B Housing C Torque converter D Locate hole 2 Support device 3 Mounting head 4 Rotary drive device 7 Lower plate (height adjustment device) 8 Upper plate (height adjustment device) 9 Support column (height adjustment device) 10 Link mechanism (Height adjusting means) 11 Slide table (feed adjusting means) 12 Slide block (feed adjusting means /
Angle adjusting means) 13 Rotating block (Angle adjusting means) 16A to 16P Pin mounting part 18 Locate pin 19 Slide body 25 Motor (drive source of drive shaft) 28 Drive shaft

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tohru Tsunoda 2 Takaracho, Kanagawa-ku, Yokohama-shi, Kanagawa Nissan Motor Co., Ltd. (72) Inventor Kazuyuki Yoda 2 Takara-cho, Kanagawa-ku, Yokohama-shi, Kanagawa Nissan Automobile Stock In-house F term (reference) 3J028 EA07 EA30 EB54 EB66 FA60 FB03 GA02 3J063 AA02 AC03 BA01 BB48 CD70 XA01

Claims (4)

[Claims] 1. A supporting device for supporting a transmission, a mounting head for abutting an open end surface of a housing of the transmission supported by the supporting device, and a rotary drive for rotating an input shaft of the transmission positioned by the supporting device and the mounting head. A supporting device having an angle adjusting means for rotating the transmission around the input shaft, a mounting head having a locating pin for engaging and disengaging from a locating hole in an opening end surface of the housing, and a plurality of detachable locating pins. A transmission testing device, comprising: a pin mounting portion. 2. The transmission testing apparatus according to claim 1, wherein the supporting device includes a height adjusting means for moving the transmission in a vertical direction. 3. The transmission testing device according to claim 1, wherein the support device includes a feed adjusting unit that moves the transmission in a reciprocating direction with respect to the mounting head. 4. An automatic transmission in which a torque converter is housed inside an opening of a housing, wherein the rotary drive device includes a slide body that can move forward and backward with respect to the transmission positioned by the support device and the mounting head. The slide body according to any one of claims 1 to 3, wherein the slide body includes a drive shaft that is axially disengageable with respect to an input shaft of the transmission, and a drive source for the drive shaft. Transmission testing equipment.