JP2006145317A - Rotary drive device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To precisely and easily adjusting the rotational shafts of an engine and motor, regarding the rotary drive device for externally imparting the rotary drive force to the engine for an automobile. <P>SOLUTION: The device is provided with the angle rest 130 and face plate 140 which are arranged so that the engine 10 is fixed on the face plate 140 according to the positional deviation of the engine 10, and then by a shaft through the angle rest 130 and the face plate 140 the face plate 140 is positioned with respect to the angle rest 130. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a rotary drive device that applies a rotary drive force to an automobile engine from the outside.

  Conventionally, there is a fire test in which various tests are performed while the engine is ignited as a test for an automobile engine. However, problems such as exhaust gas and noise during engine operation, and work environment problems such as fuel leakage Therefore, recently, in an inspection process in a process of mass-producing an engine, a motoring test in which a test is performed while rotating the engine with an external force without igniting the engine is attracting attention. In this motoring test, the test is performed while a ring gear provided on the main shaft of the engine is always rotated by an external force using a motor, not only at the time of startup.

  The engine is mounted and transported by a crane or the like on a transportation platform called a pallet installed in the apparatus, but when performing a motoring test, a motor that gives rotational driving force to the engine is placed on the pallet. The engine ring gear that has been placed and transported is coupled manually using a coupling or the like. For this connection, it is necessary to match the rotation shaft of the engine ring gear and the rotation shaft of the motor with high precision, and it takes a lot of time and it is difficult to efficiently test the mass-produced engine one after another. there were.

Patent Document 1 proposes a device for facilitating the connection between the engine and the motor. However, although manual work when adjusting the rotation shaft with high accuracy is somewhat easier, manual work with great effort is required. It does not fundamentally solve the point that it takes.
JP-A-9-126951

  In view of the above circumstances, an object of the present invention is to provide a rotary drive device including a mechanism that can easily adjust and connect the rotation shafts of an engine and a motor with high accuracy.

The rotational drive device of the present invention that achieves the above object is a rotational drive device that applies rotational drive force to an automobile engine from the outside.
A main shaft that is rotationally driven by a motor and transmits rotational driving force to the engine;
A first member positioned with respect to the main shaft in a direction perpendicular to the axial direction of the main shaft;
The first member is supported by the first member so as to be movable in a plane perpendicular to the axial direction of the main shaft. By moving in the plane, the first member follows the positional deviation of the conveyed engine. And a second member that supports the engine while causing the positional shift;
A positioning shaft that penetrates the first member and the second member in the axial direction and positions the second member on the first member together with the engine supported by the second member;
And a connecting member for connecting the main shaft to an engine positioned on the first member via the second member.

  A rotary drive device according to the present invention includes the first member and the second member, and the second member is displaced with respect to the first member in accordance with the displacement of the engine. Since the second member is positioned with respect to the first member by the positioning shaft, the engine can be easily positioned and connected to the main shaft with high accuracy. It is also possible to automate all this operation.

  Here, the rotary drive device of the present invention preferably includes a connection control member that acts on the connecting member to separate the main shaft and the engine and separate the main shaft and the engine by separating the main shaft and the engine.

  By doing so, the main shaft and the engine are connected via the connecting member, and the engine can be driven to rotate by rotating the main shaft in a state where the connection control member for controlling the connection is separated.

  Further, the rotary drive device of the present invention preferably includes a main shaft support member that supports the main shaft when not rotating and separates from the main shaft prior to rotation of the main shaft.

  When connecting the main shaft to the engine, the main shaft and the rotating shaft of the engine are adjusted so that they coincide with each other with a high degree of accuracy. It is necessary to assemble with extremely high accuracy, which is not realistic, allows a certain amount of error, and is realistic to connect the main shaft and the engine via a flexible coupling. In this case, when the main shaft and the engine are not connected, the tip of the main shaft connecting part may hang down due to the influence of the flexible coupling, and a main shaft support member is required to support this. There is. In such non-rotation, a spindle support member that supports the spindle is provided, and when the spindle is connected to the engine and rotated, the spindle support member is kept in a separated state. Since the member is in a separated state, smooth rotation driving is possible.

  Furthermore, it is preferable that the rotation drive device of the present invention further includes a transport member that mounts the engine and transports the engine toward the second member.

  By providing such a conveying member, the motoring test of the engine is further facilitated.

  As described above, according to the present invention, the main shaft can be coupled with the rotary shaft of the engine adjusted with high accuracy and ease.

  Hereinafter, embodiments of the present invention will be described.

  FIG. 1 is an overall configuration diagram of a rotary drive device as an embodiment of the present invention.

  FIG. 1 shows a pallet 110 that transports an engine 10 having a ring gear 11, a main shaft 120 to which a motor 121 is connected, and a scale 130 that is positioned with respect to the main shaft 120 in a direction perpendicular to the rotation axis 120 a of the main shaft 120. The face plate 140 is shown supported on the scale 130 so as to be movable in a plane perpendicular to the rotating shaft 120a. Here, the pallet 110 corresponds to an example of a conveying member according to the present invention, the scale 130 corresponds to an example of a first member according to the present invention, and the face plate 140 corresponds to a second member according to the present invention. To do.

  FIG. 2 is a view showing a part of the pallet 110 in the overall configuration diagram shown in FIG.

  The engine 10 is provided with a ring gear 11 provided with a gear around 11a. The engine 10 is lifted by a crane (not shown) and placed on a pallet 110. It is conveyed in the direction of arrow A shown in the figure. The pallet 110 on which the engine 10 is placed and conveyed on the roller 121 in the direction of arrow A stops when the tip of the pallet hits the contact portion 152a of the contact member 152, and is fixed to the contact member 152. The shaft 153 a penetrates into the positioning hole 110 a of the pallet 110 and the pallet 110 is positioned by the contact member 152. In this state, the shaft 154a of the cylinder 154 extends slowly, and the pallet 110 moves slowly to a predetermined position.

  Here, the pallet 110 is lifted up by the action of the cylinder 155 and the vertical height adjustment is performed, and the backward movement is prevented by the action of the cylinder 156.

  In FIG. 2, a water passage hole 157 for passing cooling water through the engine 10 is shown. The water passage hole 157 is connected to the engine 10 by a flexible hose (not shown).

  When the pallet 110 is advanced to the normal position, the pallet positioning pins 158 are fitted into the positioning holes 110b of the pallet 110 to position the pallet 110. At this time, the water passage hole 157 is also connected to the water passage hole 112 on the pallet side. .

  FIG. 3 is a diagram showing the scale viewed from the engine side and the face plate supported by the scale.

  The face plate 140 is fixed to the scale 130 at the four face plate fixing portions 141 so as to be freely movable on the top, bottom, left, and right in FIG. 3 (in a plane perpendicular to the rotating shaft 120a of the main shaft 120 shown in FIG. 1). The face plate 140 is positioned approximately at the center of the scale 130 by a spring 142 and is movable up and down and left and right. The stopper 143 limits the range of movement up and down and left and right.

  An engine mounting hole 144 into which the ring gear 11 (see FIGS. 1 and 2) of the engine 10 enters is provided in the center of the face plate 140. The ring gear 11 that has entered the engine mounting hole 144 has The main shaft 120 (see FIG. 1) is connected from the back side.

  When the ring gear 11 enters the engine mounting hole 144, a part of the engine 10 (crank block) rides on a crank block support claw 145 whose tip is formed in a tapered shape. 110 (see FIGS. 1 and 2) is lifted by several millimeters. At the same time, the locating pin 146 protrudes from the face plate 140 and enters a hole provided in the engine 10, and the engine 10 and the face plate 140 are positioned. Here, the locate pin 146 is shown in two places, but this is because the position of the hole provided in the engine 10 differs depending on the type of engine, and it is used for positioning by protruding from the face plate 140 in actual positioning. What is done is a locate pin in one of the two. In positioning here, the engine 10 is placed on the pallet 110 and approaches the face plate 140 with a positional error. The face plate 140 moves up, down, left, and right by the amount of the positional deviation, and the face plate 140 and the engine 10 are positioned with the face plate 140 being displaced with respect to the scale 130.

  In the engine 10 positioned with respect to the face plate 140 in this way, the work clamp rod 147 is rotated by the motor 149 shown in FIG. 1 to rotate the clamp claw 148 fixed to the tip thereof, and the engine claw 148 rotates the engine 10. Is fixed to the face plate 140.

  As described above, first, the engine 10 is positioned and fixed with respect to the face plate 140. However, in this state, the face plate 140 is displaced with respect to the scale 130, and the main shaft 120 shown in FIG. 1 is positioned with respect to the scale 130, so that the rotation shaft of the main shaft 120 and the rotation shaft of the engine 10 remain as they are. It remains off.

  Next, positioning of the face plate 140 with respect to the scale 130 will be described.

  A face plate centering hole 171 shown in FIG. 3 is formed in the face plate 140.

  FIG. 4 is a cross-sectional view of the face plate centering hole portion.

  The scale 130 is in contact with the back side of the face plate 140, and the positioning hole 131 of the retainer 130 is connected to the face plate centering hole 171, and the locating shaft 173 moves to the right in FIG. Then, the distal end portion of the locate shaft 173 is fitted into the positioning hole 131 of the retainer 130 and the face plate centering hole 171 of the face plate 140. At the time of this insertion, the face plate 140 is displaced with respect to the scale 130, so that the front end portion of the locating shaft 173 can be smoothly inserted into the face plate centering hole 171 even if this position deviation occurs. A taper surface 171a is formed on the edge portion of 171 that is closer to the scale 130 side, and a ball bearing steel ball 174 is provided on the locate shaft 173, and the ball bearing steel ball 174 interferes with the taper surface 171a. Then, the tip portion of the locate shaft 173 is fitted into the face plate centering hole 171 while positioning the face plate 140 with respect to the scale 130. Thereby, the face plate 140 is positioned with respect to the scale 130 while the engine 10 is fixed to the face plate 140. Since the engine 10 is fixed to the face plate 140 while being positioned with respect to the face plate 140, the engine 10 fixed to the face plate 140 is also positioned with respect to the scale by positioning the face plate 140 with respect to the scale 130 by the locate shaft 173. Thus, the rotation axis of the main shaft 120 and the rotation axis of the engine 10 coincide.

  FIG. 5 is a cross-sectional view around the main axis.

  After positioning as described above, the main shaft 120 and the ring gear 11 of the engine 10 are connected. In FIG. 5, the upper half of the rotary shaft 120a shows a state where the main shaft 120 and the ring gear 11 are not connected, and the lower half of the rotary shaft 120a shows a state where the main shaft 120 and the ring gear 11 are connected. Yes.

  As shown in FIG. 1, the main shaft 120 is connected to the motor 121, and is connected to the ring gear 11 of the engine 10 through the flexible joint 122, the chuck holder 180, and the connecting member 181, and the main shaft is rotated by the rotation of the motor 121. 120 is rotated so that the ring gear 11 of the engine 10 is rotated.

  The connection member 181 is provided with a work clamp jaw 182 at the tip thereof, and the work clamp jaw 182 is attached to and detached from the ring gear 11 when the connection member 181 rotates about the rotation shaft 183. A total of three connecting members 181 are provided at positions rotated about the rotating shaft 120a.

  FIG. 6 is a diagram showing the relationship between the ring gear and the work clamp.

  The ring gear 11 is provided with a gear on its outer periphery 11a, while the work clamp collar 182 is provided with teeth that mesh with the gear teeth. The work clamp collar 182 moves in a direction contacting the outer periphery 11 a of the ring gear 11 by the rotation of the connecting member 181, attaches and detaches the ring gear 11, and when mounted on the ring gear 11, the teeth of the work clamp collar 182 Meshes with the teeth on the outer periphery 11a of the ring gear 11, and when the main shaft 120 (see FIG. 5) rotates, the work clamp collar 182 revolves around the rotation shaft of the main shaft 120 and rotates the ring gear 11. To drive.

  Returning to FIG.

  In the connecting member 181, the slide member 185 slides toward the connecting member 181, whereby the rear end portion of the connecting member 181 rides on the slide member 185, and the work clamp collar 182 is mounted in the outer periphery 11 a of the ring gear 11. To turn. The slide member 185 is biased by a spring 184 in the direction of sliding toward the connecting member 181. Here, as shown on the upper side of the rotating shaft 120a in FIG. 5, the engaging member 191 at the tip of the connection control member 190 is engaged with the slide member 185, and the slide member 185 is pulled to the left in the drawing, thereby 181 is rotated in a direction in which the work clamp collar 182 is separated from the ring gear 11. On the other hand, as shown on the lower side of the rotating shaft 120a, the connection control member 190 disengages from the slide member 185 so that the slide member 185 enters under the rear end portion of the connection member 181 by the biasing force of the spring 184. Thus, the work clamp collar 182 is attached to the ring gear 11. Therefore, in a state where the main shaft 120 rotates and the engine 10 is rotated, the connection control member 190 is in a state of being separated from the rotating body.

  The main shaft 120 is connected to the chuck holder 180 via the flexible joint 122. The chuck holder 180 is provided at the tip of the chuck holder fixing member 200 as shown on the upper side of the rotating shaft 120a. Therefore, the eccentricity due to its own weight is prevented. When the work clamp collar 182 at the tip of the connecting member 181 is mounted on the ring gear 11, there is no fear of eccentricity due to its own weight. At this time, the lower side of the rotating shaft 120a in FIG. 5, the chuck holder fixing member 200 moves to the left side in FIG. 5 and the support portion 202 is separated from the chuck holder 180. Therefore, when the main shaft 120 rotates and the engine 10 rotates, the chuck holder fixing member 200 is also separated from the rotating body.

  As described above, the engine 10 is fixed to the face plate 140, and the positional deviation of the face plate 140 with respect to the scale 130 is corrected so that the rotation axis of the ring gear 11 of the engine 10 coincides with the rotation axis of the main shaft 120. A motoring test is performed by connecting 120 and the ring gear 11 of the engine 10 and rotating. After the test is completed, the engine 10 is placed on the pallet 110 again and transferred to a place away from the rotary drive device 100 in the reverse procedure.

1 is an overall configuration diagram of a rotary drive device as one embodiment of the present invention. It is the figure which took out and showed the part of the pallet in the whole block diagram shown in FIG. It is a figure which shows the scale seen from the engine side, and the faceplate supported by the scale. It is sectional drawing of the part of a face plate centering hole. It is sectional drawing which showed the surroundings of the main axis | shaft. It is the figure which showed the relationship between a ring gear and a work clamp collar.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Engine 11 Ring gear 110 Pallet 120 Main shaft 130 Ecale 140 Face plate 180 Chuck holder 181 Connection member 190 Connection control member

Claims (3)

In a rotary drive device that gives a rotational drive force to an automobile engine from the outside,
A main shaft that is rotationally driven by a motor and transmits rotational driving force to the engine;
A first member positioned with respect to the main shaft in a direction perpendicular to the axial direction of the main shaft;
The first member is supported by the first member so as to be movable in a plane perpendicular to the axial direction of the main shaft. By moving in the plane, the first member follows the positional deviation of the conveyed engine. And a second member that supports the engine while causing the positional shift;
A positioning shaft that penetrates the first member and the second member in the axial direction and positions the second member on the first member together with the engine supported by the second member;
A rotary drive device comprising: a connecting member for connecting the main shaft to an engine positioned on the first member via the second member.   2. The rotary drive device according to claim 1, further comprising a connection control member for connecting the main shaft and the engine to the connecting member by acting on the connecting member to separate and separate the main shaft from the engine. .   2. The rotary drive device according to claim 1, further comprising a main shaft support member that supports the main shaft at the time of non-rotation and is separated from the main shaft prior to rotation of the main shaft.

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