JP2017172636A - Tool for manual shift operation for transmission - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable an easy and positive shift operation to be carried out manually under application of a tool for a manual shift operation in place of an actuator for a transmission that a shift rod in which axial motion and turning operation can be attained by a driving force of an actuator is connected to the actuator that can be fixed to or removed from a transmission case, the shift rod has several selection positions that can be selected through its axial motion, the shift rod is turned by the actuator at each of the selected positions to cause the shift rod to be engaged with one of engaged portions of a shift fork and the shift fork can be operated for its shift operation.SOLUTION: A tool K for a manual shift operation comprises: a rod member 21 that can be inserted into a transmission case 1; a cam member 23 fixed to the rod member that can be engaged with engaged portions 11a to 15a of shift forks F1 to F5; a transparent pedestal plate 25 for defining a rod insertion depth; and means for adjusting a fixed position of the pedestal plate. The pedestal plate has through-holes.SELECTED DRAWING: Figure 5

Description

  The present invention accommodates a multistage gear transmission mechanism and a plurality of shift forks for establishing a gear stage of the gear transmission mechanism in a transmission, particularly a transmission case, and an actuator used for a shift operation of the shift forks is a transmission case. The present invention relates to a manual shift operation tool used for manually shifting a transmission mounted on a vehicle instead of an actuator.

  A transmission (for example, a dual clutch transmission) in which the shift stage of the multi-stage gear transmission mechanism described above, that is, the shift operation of the shift fork is automatically performed by an actuator, is conventionally known as disclosed in Patent Document 1, for example.

Japanese Patent No. 5687880

  By the way, in the above transmission, a shift rod that is inserted into the transmission case and can be moved and rotated in the axial direction by the driving force of the actuator is interlocked with the actuator. The shift rod is set with a plurality of select positions that can be selected by moving the shift rod in the axial direction. The shift rod is rotated by an actuator at each select position so that the shift rod is covered with the plurality of shift forks. The shift fork can be electrically operated to shift by engaging with one of the engaging portions.

  When such a transmission is assembled on the production line, or disassembled and reassembled for maintenance, it is necessary to check whether or not a shift operation is possible for the assembly inspection. It is conceivable to manually perform a shift operation using a manual shift operation tool that can be inserted into the mission case with the actuator removed from the case. In this case, when the tool is inserted into the mission case, it is difficult to visually recognize the engagement status of each shift fork in the mission case and the tool from the outside, and the manual shift operation can be easily and accurately performed. There are problems such as not.

  Furthermore, for other types of transmissions with different shift fork group assembly positions in the mission case, it is necessary to prepare a dedicated manual shift operation tool for each model, which increases costs and manages tool storage. Etc. are also complicated.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a manual shift operation tool for a transmission that can be easily and accurately shifted manually instead of an actuator.

In order to achieve the above object, according to the present invention, a plurality of shift forks are arranged in a transmission case containing a multi-stage gear transmission mechanism so that engaged portions of the shift forks are arranged in parallel in a predetermined direction. The actuator is detachably attached to the transmission case, and is connected to a shift rod that is inserted into the transmission case through the actuator opening of the transmission case and can be moved and rotated in the axial direction by the driving force of the actuator. The shift rod is set with a plurality of select positions that can be selected by moving the shift rod in the axial direction, and the shift rod is rotated by the actuator at each select position so that the shift rod is engaged with the engaged position. A transmitter capable of shifting the corresponding shift fork engaged with one of the joints A manual shift operation tool for Deployment,
A rod member that can be inserted into the mission case through the actuator opening with the actuator removed from the mission case, and a cam member that is fixed to the rod member and can selectively engage with the engaged portion. And a base plate made of a transparent material that has a shape capable of covering the opening for the actuator and is attached to the rod member, and defines the insertion depth of the rod member into the mission case by contact with the mission case And the fixing position of the pedestal plate with respect to the rod member is adjusted in the axial direction of the rod member so that the insertion depth is defined to be a predetermined depth at which the cam member can be engaged with the engaged portion. Position adjustment means, and the pedestal plate is in contact with the transmission case in a state where the pedestal plate is in contact with the transmission case. That has at least one hole to allow viewing the cam member to the first feature.

  Further, according to the present invention, in addition to the first feature, the position adjusting means includes a positioning hole group including a plurality of positioning holes arranged in parallel with the rod member in the axial direction, and the plurality of positioning members. A second feature is that it comprises a pin that is selectively detachably engaged with the hole and can be engaged with the pedestal plate.

  In addition to the second feature, the third feature is that the plurality of positioning hole groups corresponding to a plurality of models of the transmission are provided at different positions in the axial direction of the rod member. To do.

  Further, in addition to any of the first to third features, the present invention provides a base end portion of the rod member that is exposed to the outside of the transmission case in a state where the rod member is inserted into the transmission case. A fourth feature is that a tool receiving portion capable of engaging with a rotation operation tool arranged on the extension axis of the rod member so as not to be relatively rotatable is provided.

  According to the first aspect of the present invention, when the rod member of the manual shift operation tool is inserted into the transmission case through the actuator opening of the transmission case with the actuator removed, the insertion depth is set to the base plate. If the cam member is rotated through the rod member at the specified depth, the shift fork can be shifted manually instead of the actuator. Then, the manual shift operation is performed for all the shift forks by sequentially performing such a manual shift operation by adjusting the fixing position of the base plate with respect to the rod member (therefore, the insertion depth of the rod member) by the position adjusting means. Therefore, whether or not the transmission is in an appropriate assembled state can be confirmed with a manual shift operation tool having a simple structure based on the result of whether or not the manual shift operation is possible. Further, during the manual shift operation, the positional relationship between the cam member and the engaged portion, the engagement state, etc. can be easily seen through the transparent pedestal plate, and the light of the work light can be seen through the transparent pedestal. Through the plate, it is possible to sufficiently irradiate the inside of the transmission case, and hence the cam member and the engaged portion, so that the manual shift operation can be easily and accurately performed. Moreover, the pedestal plate has a through hole, and the operator can directly see the cam member and the like in the transmission case through the through hole. Therefore, it is possible to reliably avoid a situation in which the transparent base plate causes poor visibility.

  Further, according to the second feature of the present invention, the position adjusting means includes a plurality of positioning holes arranged in parallel with the rod member at intervals in the axial direction, and selectively engages and disengages with the positioning holes. In addition, since the pin that can be locked to the base plate is provided, the fixing position can be easily adjusted by inserting / removing the pin with a simple structure into the positioning hole, thereby reducing the cost. In addition, by using the elongated pins, it is possible to effectively suppress the lowering of the field of view of the base plate and the shadow of the light irradiation light due to the special provision of the position adjusting means, and the visibility of the cam member and the like is further improved.

  According to the third aspect of the present invention, the plurality of positioning hole groups corresponding to the plurality of transmission models are provided at different positions in the axial direction of the rod member. It is possible to carry out with a single manual shift operation tool. This eliminates the need to prepare a dedicated tool for each transmission model, which can contribute to cost savings and facilitates and facilitates handling and management of tools.

  According to the fourth aspect of the present invention, the base end portion of the rod member is provided with a tool receiving portion that can be engaged with a rotary operation tool arranged on the extension axis of the rod member. Even when the space is narrow, the rod member can be rotated without any trouble with the rotation operation tool while avoiding interference with the peripheral members, and the workability of the manual shift operation is improved.

Sectional drawing of the principal part of the transmission which concerns on one Embodiment of this invention. The perspective view which cuts a mission case and shows the principal part of the above-mentioned transmission FIG. 6 is a diagram showing the relationship between the shift rail portion (engaged portion) of the shift fork of the transmission and the engagement piece on the shift rod side in a predetermined speed change process, and (I) shows the seventh speed. (O) shows the fifth gear shift release process. 1 is an exploded perspective view of a manual shift operation tool according to an embodiment of the present invention. FIG. 2 is a perspective view (a perspective view corresponding to FIG. 2) showing the main part of the transmission in a state where a manual shift operation tool is set in the transmission case instead of the actuator, with the transmission case broken. (A) is a longitudinal sectional view of the main part of the transmission with the actuator mounted (that is, a sectional view taken along arrows 6 (A) -6 (A) in FIG. 2), and (B) is a manual operation instead of the actuator. Longitudinal sectional view of the main part of the transmission with the shift operation tool set in the transmission case (that is, a sectional view taken along arrows 6 (B) -6 (B) in FIG. 5). (C) is a sectional view taken along arrow 7 (C) -7 (C) in FIG. 6, and (D) is a sectional view taken along arrow 7 (D) -7 (D) in FIG. A longitudinal section of the main part of the transmission of another model (9 steps forward) with a manual shift operation tool set in the transmission case instead of the actuator (cross-sectional view corresponding to FIG. 6B)

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  In FIG. 1, a power unit U mounted on an automobile includes an internal combustion engine (not shown) and a dual clutch transmission T that shifts the output of the internal combustion engine and transmits it to drive wheels. The transmission T is a parallel shaft type transmission in which a multi-stage gear transmission mechanism GT having seven forward speeds and one reverse speed is accommodated in the transmission case 1, and the gear speed mechanism of the gear transmission mechanism GT is switched, and the reverse speed and the parking selection speed. Is switched by the driving force of the electric actuator A that is detachably attached to the transmission case 1 by fastening means such as bolts B. The operation of the actuator A and the operation of first and second clutches (not shown) incorporated in the transmission T are controlled by a vehicle-mounted electronic control unit ECU.

  In this embodiment, the transmission T includes a first input shaft 2 connected to the crankshaft of the internal combustion engine via the first clutch, and the second clutch connected to the crankshaft in parallel with the first clutch. The connected second input shaft 3, the reverse shaft 4 connected to the crankshaft via the second clutch, the second input shaft 3 and the idle shaft, and the left and right drive extending in parallel with both the input shafts 2 and 3. An output shaft 6 that is interlockedly connected to the wheel via a differential mechanism 5 is provided.

  Within the transmission case 1, a plurality of odd speed stages (for example, 1st speed, 3rd speed, 5th speed, 7th speed) can be established between the first input shaft 2 and the output shaft 6 respectively. A gear train is interposed. Between the second input shaft 3 and the output shaft 6, a plurality of gear trains that can each establish an even speed stage (for example, 2nd speed, 4th speed, 6th speed) between the both shafts are interposed. Further, a gear train capable of establishing a reverse gear is interposed between the reverse shaft 5 and the output shaft 6.

  Referring to FIGS. 2, 3 and 6A together, the transmission case 1 has a plurality of shift forks F1 to F5, for example, a first gear train, which can establish gear trains of the respective gears. A first shift fork F1 capable of shifting the first speed selection synchronization mechanism to establish the first speed, and a fourth speed selection synchronization mechanism and reverse selection synchronization to selectively establish the fourth and reverse gear trains. The second shift fork F2 that can selectively shift the mechanism and the third-speed-seventh-speed synchronization mechanism are selectively shifted to selectively establish the third and seventh gear trains. A third shift fork F3 capable of selectively shifting a second speed-sixth speed selection synchronizing mechanism to selectively establish the second and sixth speed gear trains. To establish a fifth gear train A fifth shift fork F5 is accommodated which may take the operation mode and the operation mode for operating the parking mechanism is shifting the selected synchronization mechanism to selectively. The structures of the gear trains and the synchronization mechanisms described above are well known in the art and are not shown.

  The first to fifth shift forks F1 to F5 include sliding shaft portions 11j to 15j that are slidably supported on the transmission case 1 in a predetermined sliding range in a direction along the axis of the input shafts 2 and 3, Fork claw portions 11t to 15t whose base portions are fixed to the sliding shaft portions 11j to 15j, and fixed to the sliding shaft portions 11j to 15j on the side opposite to the fork claw portions 11t to 15t and arranged in parallel in the vertical direction. Shift rail portions 11a to 15a are provided.

  The fork claws 11t to 15t of the shift forks F1 to F5 are engaged with the synchronization mechanisms corresponding to the shift forks F1 to F5, and drive the synchronization mechanisms along the axis of the slide shaft portions 11j to 15j. As a result, a shift operation (that is, an operation for establishing the gear train of each gear) can be performed.

  Each of the shift rail portions 11a to 15a is formed in a substantially rectangular flat plate shape having engagement holes 11ah to 15ah having a predetermined shape, and inner peripheral surfaces of the engagement holes 11ah to 15ah are engagement pieces 16 to 15 described later. The cam surface 20 is slidably engaged.

  By the way, to the actuator A described above, the upper end portion of the shift rod L inserted into the mission case 1 through the actuator opening 1a formed in the upper wall of the mission case 1 is linked and connected. The shift rod L can be driven by the driving force of the actuator A to move in the axial direction (that is, the select direction) and to rotate in the forward and reverse directions (that is, the shift direction) around the rod axis. The shift rod L is disposed in the transmission case 1 in a posture slightly inclined with respect to the vertical line in the lateral space of the gear transmission mechanism GT (that is, a posture extending in the parallel direction of the shift rail portions 11a to 15a). The lower end of L is fitted into a support hole 1h provided in the lower inner wall of the mission case 1 so as to be rotatable and detachable.

  The shift rod L has a plurality of engagement pieces that can selectively engage with the engagement holes 11ah to 15ah of the plurality of shift rail portions 11a to 15a and exhibit a cam action in cooperation with the engagement holes. 16 to 20, for example, a single in-gear engagement piece 16 and a plurality of off-gear engagement pieces 17 to 20 are fixed at predetermined intervals in the axial direction.

  Then, the shift rod L is moved in the axial direction by the actuator A, so that a specific engagement piece, that is, the in-gear engagement piece 16 is moved to one engagement hole 11ah to 15ah of the plurality of shift rail portions 11a to 15a. When the shift rod L is rotated by the actuator A at each select position, the in-gear engagement piece 16 is engaged with the engagement holes 11ah of the shift rail portions 11a to 15a. By engaging with 15ah, the shift rail portions 11a to 15a can be moved from the off-gear position (ie, neutral position) to the in-gear position by a cam action, that is, can be shifted.

  The other engagement pieces, that is, the plurality of off-gear engagement pieces 17 to 20, are arranged such that at least one of the off-gear engagement pieces 17 to 20 is another shift rail portion when the shift rod L is in the select position. It is the arrangement | positioning which opposes at least 1 engagement hole 11ah-15ah of 11a-15a. Further, by rotating the shift rod L by the actuator A at each select position, at least one of the off-gear engagement pieces 17-20 is engaged with the engagement holes 11ah-15ah of the shift rail portions 11a-15a opposed thereto. The shift rail portions 11a to 15a can be moved from the in-gear position to the off-gear position (that is, the neutral position) by the cam action, that is, the shift release operation can be performed.

  Next, an example of the process of the shift operation / shift release operation as described above will be described with reference to FIG. The states shown in FIGS. 3 (a) and 3 (f) are the seventh state during the sixth speed traveling after the upshift from the fifth speed to the sixth speed (that is, the first clutch is disengaged and the second clutch is engaged). The shift rod L shows the state immediately before shifting up (i.e., pre-shifting), and the in-gear engagement piece 16 is opposed to the shift rail portion 13a of the third shift fork F3 in the off gear position, that is, the neutral position. In addition, it is selected as a select position where the off-gear engagement piece 19 is opposed to the shift rail portion 15a of the fifth shift fork F5 at the fifth gear in-gear position.

  At this select position, for example, when the shift rod L is rotated in the forward rotation direction (counterclockwise in FIG. 3), the shift of the third shift fork F3 is performed as shown in [a] to [e] in FIG. The rail portion 13a moves from the off gear position to the seventh in-gear position by engagement with the in-gear engagement piece 16. At the same time, the shift rail portion 15a of the fifth shift fork F5 is engaged with the off-gear engagement piece 19 as shown in [f] to [j] of FIG. To the off-gear position. In this way, the pre-shift to the seventh speed is executed during the sixth speed travel, and thereafter, the shift from the sixth speed to the seventh speed can be performed by connecting / disconnecting the first and second clutches.

  Incidentally, between the shift forks F1 to F5 and the transmission case 1, when the shift rail portions 11a to 15a (shift forks F1 to F5) are in the in-gear position and the off-gear position, the respective positions are maintained. A detent mechanism (not shown) for generating a detent load is provided.

  In the dual clutch transmission T described above, for example, the vehicle is in a state in which the first clutch is in the connected state and the second clutch is in the disconnected state and the odd gear (1st, 3rd, 5th or 7th) is established. When a shift change (shift down or up) command is issued while the vehicle is traveling, the electronic control unit ECU pre-establishes adjacent even speed stages (second speed, fourth speed, sixth speed) in advance. In this pre-shift state, the shift from the odd gear to the even gear can be promptly executed by timely disconnecting the first clutch and connecting the second clutch.

  Similarly, when the vehicle is running with the first clutch in the disconnected state and the second clutch in the connected state and the even gear is established, the electronic control unit ECU To pre-establish adjacent odd gears in advance, and in the pre-shift state, the second clutch is disconnected and the first clutch is connected in a timely manner, so that a shift change from an even gear to an odd gear can be performed quickly. Can be executed.

  By the way, when the transmission T is assembled on the production line, or disassembled and reassembled for maintenance, an operation for confirming whether the assembly has been properly performed, for example, a plurality of shift forks F1 to F5 are properly installed in the transmission case 1. Therefore, it is necessary to confirm whether or not the shift operation can be appropriately performed at each in-gear position or off-gear position. Therefore, an example of the manual shift operation tool K that enables the confirmation work to be executed while the actuator A is detached from the mission case 1 will be described with reference to FIGS.

  The manual shift operation tool K includes a rod member 21 that can be inserted into the mission case 1 through the actuator opening 1a with the actuator A removed from the mission case 1, and a plurality of shifts fixed to the rod member 21. A cam member 23 that can be selectively engaged with the shift rail portions 11a to 15a of the forks F1 to F5, and a shape that can cover the actuator opening 1a, is attached to the rod member 21, and is in contact with the transmission case 1. The base plate 25 made of a transparent material (for example, polycarbonate) that defines the insertion depth of the rod member 21 into the mission case 1 and the insertion depth engages the cam member 23 with the plurality of shift rail portions 11a to 15a. The fixed position of the base plate 25 with respect to the rod member 21 (this embodiment) And it includes at least a first position adjusting means 31 capable of adjusting the the retaining position) in the axial direction of the rod member 21.

  The rod member 21 is formed in the shape of a straight bar, and the rod tip (lower end) is removably inserted into the support hole 1h in the lower inner wall of the transmission case 1. The cam member 23 is fixed to an intermediate portion near the lower end of the rod member 21. In the present embodiment, the cam member 23 is formed in substantially the same or similar shape as the in-gear engagement piece 16 fixed to the shift rod L, but is not limited to this shape, and at least in the shift rail portions 11a to 15a. Any cam shape that can be selectively engaged and operated for shifting may be used.

  Further, the base member (upper end) of the rod member 21 exposed to the outside of the mission case 1 in a state where the rod member 21 is inserted into the mission case 1 is used for the rotation operation arranged on the extension axis of the rod member 21. A tool receiving portion 26 is provided for engaging a tool W (for example, a socket wrench extending on the extension axis thereof) so as not to be relatively rotatable.

  In addition, the base plate 25 is formed in a disk shape in the present embodiment. The pedestal plate 25 is fitted on and placed on an annular step s provided on the inner peripheral surface of the actuator opening 1a on the upper wall of the mission case 1 so that the outer peripheral edge thereof is placed on the mission case 1. It can be positioned and held at a fixed position, that is, a predetermined set position that closes the opening 1a.

  A rod fitting insertion hole 25a for inserting the rod member 21 so as to be rotatable and slidable is provided at the center of the base plate 25. In addition, the pedestal plate 25 has at least one that allows the shift rail portions 11a to 15a and the cam members 23 of the plurality of shift forks F1 to F5 in the mission case 1 to be directly visible in the above-described state of setting to the mission case 1. There are four (four in this embodiment) through-holes 25h radially around the rod fitting hole 25a. In addition, although the shape of each through-hole 25h is formed in the fan shape in this embodiment, if it is a shape which permits the said visual recognition through the through-hole 25h, it will not be limited to the shape of embodiment.

  The first position adjusting means 31 is used for manual shift operation (for example, assembly inspection) of the above-described seven-stage forward dual clutch transmission T, and is arranged in parallel with the rod member 21 at predetermined intervals in the axial direction. A first positioning hole group H1 including a plurality of positioning holes 21a to 21e, and a retaining pin 40 as a pin that can be selectively engaged with and disengaged from the positioning holes 21a to 21e and can be locked to the base plate 25. It consists of. In this embodiment, the retaining pin 40 is linearly connected to the linear pin main body 40m that can be inserted into the positioning holes 21a to 21e and one end of the pin main body 40m, and can be elastically pressed against the outer periphery of the rod member 21. Although provided with the snap arm portion 40a, various conventionally known snap pins capable of exhibiting a similar retaining function can be substituted.

  Thus, when the rod member 21 is inserted into the rod insertion hole 21a of the base plate 25 from below and the retaining pin 40 is locked to one of the positioning holes 21a to 21e, the rod of the base plate 25 is inserted. Since the upward and downward withdrawal from the member 21 is restricted by the retaining pin 40 and the cam member 23, the base plate 25 can slide relative to the rod member 21 within the restricted range.

  Further, in addition to the first position adjusting means 31, the manual shift operation tool K of the present embodiment is compatible with manual shift operation (for example, assembly inspection) of a forward clutch 9-speed / reverse-speed dual clutch transmission T ′. Possible second positioning means 32 are provided. The second positioning means 32 includes a second positioning hole group H2 including a plurality of positioning holes 22a to 22e arranged in parallel with the rod member 21 at intervals in the axial direction, and positioning holes 22a to 22a in the positioning hole group H2. It comprises a retaining pin 40 that is selectively detachably locked to one of 22e and can be locked to the base plate 25.

  Next, the operation of this embodiment will be described. When the transmission T is assembled on the production line, or disassembled and reassembled for maintenance, an operation for confirming whether the assembly has been properly performed, for example, a plurality of shift forks F1 to F5 (therefore, the shift rail portions 11a to 15a) ) Is in a proper assembly position in the mission case 1 and it is necessary to confirm whether or not the shift operation can be appropriately performed at each shift position.

  In carrying out the confirmation work, first, the bolt B is loosened to remove the actuator A from the transmission case 1, and the shift rod L connected to the actuator A is inserted into the transmission case 1 through the actuator opening 1a. Try to pull out more.

  Next, the rod member 21 of the manual shift operation tool K is inserted into the mission case 1 through the actuator opening 1a. The insertion depth is defined to a predetermined depth by contact between the base plate 25 and the transmission case 1 (that is, the peripheral edge of the opening 1a, more specifically, the annular step s on the inner peripheral surface of the opening 1a). The Prior to the insertion operation, the retaining pin 40 is locked in advance in any one of the positioning holes 21a to 21e of the first position adjusting means 31, thereby locking the pin 40. The insertion depth of the rod member 21 is defined to a predetermined depth corresponding to the positioning holes 21a to 21e.

  At this time, if the assembled state of the transmission T is appropriate, the cam member 23 fixed to the rod member 21 should be located at a position facing one of the shift rail portions 11a to 15a of the shift forks F1 to F5. Yes, it is visually confirmed from the outside of the transmission case 1 through the transparent pedestal plate 25 whether or not the cam member 23 exists at the opposite position. The visual confirmation can be performed without any trouble by irradiating light from an external light through the transparent pedestal plate 25 into the mission case 1.

  In this way, when it can be visually confirmed that the cam member 23 is present at the facing position, the tip end portion of the rotary operation tool W arranged on the rod extension line is engaged with the tool receiving portion 26 at the upper end portion of the rod member 21. Whether or not the corresponding shift forks F1 to F5 (shift rail portions 11a to 15a) can be manually shifted by rotating the rod member 21 by a predetermined angle in the forward rotation direction and the reverse rotation direction with the tool W is determined. Check. At this time, if this shift operation can be executed with an appropriate operation resistance, it is determined that the corresponding shift forks F1 to F5 are in an appropriate assembled state. In the above confirmation work, the rod member 21 can be rotated with the rotary operation tool W arranged on the rod extension line, so that the space around the transmission T is narrow (for example, an engine room of a car, a narrow maintenance shop). Etc.), it is possible to rotate the rod member 21 with the rotation operation tool W without hindrance while avoiding interference with surrounding equipment, thereby improving the workability of the confirmation work.

  Then, after such a confirmation work, the fixing position of the base plate 25 with respect to the rod member 21 (in this embodiment, the retaining position) is changed by the first position adjusting means 31, and then sequentially in the same procedure as the above confirmation work. To do. In this case, the fixing position (retaining position) of the base plate 25 with respect to the rod member 21 is changed by locking the retaining pin 40 to the other one of the positioning holes 21a to 21e in the first position adjusting means 31. As a result, the insertion depth of the rod member 21 is regulated to a predetermined depth corresponding to the positioning holes 21a to 21e with which the pin 40 is locked.

  Thus, with respect to all the shift forks F1 to F5, whether or not the shift rail portions 11a to 15a are in the proper assembly position in the transmission case 1 and can be manually shifted (i.e., the transmission T Can be easily and accurately confirmed with a single manual shift operation tool K having a simple structure.

  In addition, since the pedestal plate 25 is a transparent body in the confirmation work, the position of the cam member 23 and the shift rail portions 11a to 15a in the transmission case 1 and the engagement state are transmitted through the pedestal plate 25. It becomes easy to visually recognize, and it becomes easy to irradiate the irradiation light of the work light into the transmission case 1 through the base plate 25 from the outside, and the cam member 23 and the shift rail portions 11a to 11a in the transmission case 1 15a etc. can be accurately illuminated. Thereby, confirmation work can be performed more accurately.

  In addition, the base plate 25 has a plurality of through holes 23h that allow the cam member 23 and the like in the mission case 1 to be directly visually recognized. Further, it is possible to avoid the situation where the transparent pedestal plate 25 has poor visibility due to the reflection of the working light, etc., and to avoid the situation by partial reflection. As a result, the cam member 23 and the like in the mission case 1 can be visually recognized more clearly, and light light can be irradiated onto the cam member 23 and the like more accurately from the outside.

  In addition, the first position adjusting means 31 of the present embodiment is selectively used as a plurality of positioning holes 21a to 21e arranged in parallel with the rod member 21 at intervals in the axial direction and one of the positioning holes 21a to 21e. Since the retaining pin 40 is provided to be locked, the use of the elongated retaining pin 40 effectively suppresses the influence of the lowering of the visibility of the base plate 25 and the shadow of the light irradiation light caused by the position adjusting means 31. Thus, the visibility of the cam member 23 and the like during the confirmation work is further improved.

  By the way, the manual shift operation tool K of the above-described embodiment can also be used for manual shift operation (for example, assembly inspection) of another model, for example, a dual clutch transmission T ′ (see FIG. 8) having nine forward speeds and one reverse speed. It is configured.

  The transmission T ′ of other models differs from that of the previous transmission T in the assembly positions of the first to fifth shift forks F1 to F5 (and hence the shift rail portions 11a to 15a) in the transmission case 1. And in order to be able to cope with this difference in assembly position, the shift forks F1 to F5 (shift rail portions 11a to 15a) of the transmission T ′ of other models are assembled to the rod member 21 of the manual shift operation tool K. A second position adjusting means 32 for adjusting the insertion depth into the mission case 1 corresponding to the position is provided.

  The second positioning means 32 is a position different from the first positioning hole group H1 of the first positioning means 31 in the axial direction, and a plurality of positioning holes 22a to 22e provided in parallel with the rod member 21 at predetermined intervals in the axial direction. (That is, the second positioning hole group H2) and the retaining pin 40 described above.

  In the transmission T ′ of the other model, for example, a selection mode in which the first shift fork F1 establishes a reverse gear train and a selection mode in which the parking mechanism is operated can be selected. It is configured to be able to select a selection mode for establishing the seventh or ninth speed gear train, and to be configured to be able to select a selection mode for the third shift fork F3 to establish the sixth or eighth speed gear train. In addition, the fourth shift fork F4 is configured to be able to select a selection mode in which the third or fifth speed gear train is established, and the fifth shift fork F5 is configured to establish the second or fourth speed gear train. The selection mode is configured to be selectable. The gear transmission mechanism of the transmission T ′ is configured such that the first speed is selected when all the shift forks F1 to F5 are in the neutral position.

  Thus, in the assembly confirmation inspection of the transmission T ′ of the other model, the insertion depth when the rod member 21 of the manual shift operation tool K is inserted into the mission case 1 is the second position adjusting means. 32, the base plate 25 is defined by adjusting the fixing position (prevention position) of the base plate 25 with respect to the rod member 21. The procedure of the assembly confirmation inspection is the same as the above-described procedure at the time of assembly inspection of the transmission T. Therefore, FIG. 8 shows only the mission case cross-sectional view at the time of inspection corresponding to FIG. Omitted.

  As described above, in the manual shift operation tool K of this embodiment, the plurality of positioning hole groups H1 and H2 corresponding to the transmissions T and T ′ of a plurality of models are provided at different positions in the axial direction of the rod member 21. The single manual shift operation tool K can be used for checking assembly of a plurality of types of transmissions T and T ′. As a result, it is not necessary to prepare a dedicated manual shift operation tool for each type of transmission T, T ′, cost can be reduced, and handling such as tool storage management is simplified.

  In the above description, the manual shift operation tool K according to the present invention is used for confirming whether or not the transmissions T, T ′ are properly assembled. It can also be used to investigate the cause of That is, when a transmission failure is recognized in the transmissions T and T ′, the manual shift operation tool K is set in the transmission case 1 in place of the actuator A in the same procedure as the above-described assembly confirmation inspection method. In this state, it is confirmed whether the shift forks F1 to F5 can be manually shifted via the tool K (that is, whether all the shift forks F1 to F5 can be moved to the in-gear position). In this case, if the shift forks F1 to F5 can be shifted with the manual shift operation tool K, the gear transmission mechanism GT side is considered normal, so it can be determined that the actuator A is malfunctioning. If the shift forks F1 to F5 cannot be shifted with the manual shift operation tool K, it can be determined that the gear transmission mechanism GT has a malfunction inside the mechanism.

  In addition, when it is necessary to cause the vehicle to be pulled due to a failure of the automobile, etc., if the actuator A is malfunctioning and the gear transmission mechanism GT of the transmissions T and T ′ cannot be shifted to the neutral position (the above-described off gear position), The gear shift mechanism GT can be manually shifted to the neutral position by using the manual shift operation tool K of the present invention instead of the actuator A. As a result, even when the electric shift operation by the actuator A is difficult, towing travel is possible.

  As mentioned above, although embodiment of this invention was described, this invention can perform a various design change in the range which does not deviate from the summary.

  For example, in the above-described embodiment, the dual clutch transmission T is exemplified as the transmission. However, the transmission of the present invention is not limited to the dual clutch type, that is, the shift rod is moved in the axial direction (that is, the select direction) by the driving force of the actuator. It can be applied to various transmissions in which the shift rod is pivotally driven at each select position and can be shifted.

  In the above-described embodiment, the manual shift operation tool K is used for manual shift operation of transmissions T and T ′ of different models (forward 7 stages and 9 stages). However, in the present invention, the positioning means described above is used. By omitting any one of 31 and 32, it may be implemented as a manual shift operation tool dedicated to a single type of transmission.

  Moreover, in the said embodiment, as the position adjustment means 31 and 32 of the fixed position with respect to the rod member 21 of the base plate 25, the retaining position (outward direction) of the base plate 25 which can slide with respect to the rod member 21 with respect to the rod member 21 Although the position adjusting means of the present invention is not limited to the above embodiment, for example, the fixing position of the pedestal plate with respect to the rod member can be adjusted in the axial direction. Position adjustment means that can be arbitrarily adjusted are also included. That is, the “fixed position” of the present invention includes not only the position of retaining the pedestal plate with respect to the rod member (sliding limit position) as shown in the above embodiment, but also the position of fixing the pedestal plate to the rod member. included.

A ... Actuators F1-F5 ... First to fifth shift forks (multiple shift forks)
G ・ ・ ・ ・ ・ ・ Gear transmission mechanism H1, H2 ・ ・ First and second positioning hole group (positioning hole group)
K: Manual shift operation tool L: Shift rod T ... Transmission W ... Rotary operation tool 1 ... Mission case 1a ... Actuator Openings 11a to 15a ..shift rail portion (engaged portion) of first to fifth shift forks
21 ... Rod members 21a to 21e, 22a to 22e ... Positioning hole 23 ... Cam member 25 ... Base plate 25h ... Through hole 26 ... Tool receiving part 31, 32 ... .First and second position adjusting means (position adjusting means)
40 ... Retaining pin

Further, in addition to the first position adjusting means 31, the manual shift operation tool K of the present embodiment is compatible with manual shift operation (for example, assembly inspection) of a forward clutch 9-speed / reverse-speed dual clutch transmission T ′. Possible second position adjustment means 32 are provided. The second position adjusting means 32 includes a second positioning hole group H2 composed of a plurality of positioning holes 22a to 22e arranged in parallel with the rod member 21 at intervals in the axial direction, and a positioning hole 22a in the positioning hole group H2. And a retaining pin 40 that is selectively detachably locked to one of ˜22e and can be locked to the base plate 25.

The second position adjusting means 32 is a position different from the first positioning hole group H1 of the first position adjusting means 31 in the axial direction, and a plurality of positioning holes 22a arranged in parallel with the rod member 21 at predetermined intervals in the axial direction. To 22e (that is, the second positioning hole group H2) and the retaining pin 40 described above.

In the above embodiment, the transmission T of a manual shift operation tool K different models (seven forward stages, 9 stages), showed that it shared the manual shift operation of T ', in the present invention, adjusting the position By omitting either one of the means 31 and 32, it may be implemented as a manual shift operation tool dedicated to a single type of transmission.

Claims (4)

A plurality of shift forks (F1 to F5) in the transmission case (1) that houses the multistage gear transmission mechanism (G) defines the engaged portions (11a to 15a) of the shift forks (F1 to F5). The actuator (A) arranged in parallel with the direction and detachably attached to the mission case (1) is inserted into the mission case (1) through the actuator opening (1a) of the mission case (1). A shift rod (L) that is inserted and can be moved and rotated in the axial direction by the driving force of the actuator (A) is connected to the shift rod (L). Select positions are set, and the shift rods (L) are rotated by the actuators (A) at the respective select positions. There a manual shift operation tool for the said shift fork (F1 to F5) is capable of shifting transmissions engage corresponding with one of the engaging portion (11a~15a),
A rod member (21) that can be inserted into the transmission case (1) through the actuator opening (1a) with the actuator (A) removed from the transmission case (1), and the rod member (21). A cam member (23) that can be selectively engaged with the engaged portions (11a to 15a) and a shape that can cover the opening (1a) for the actuator, and the rod member (21). A pedestal plate (25) made of a transparent material that is attached and defines the insertion depth of the rod member (21) into the transmission case (1) by contact with the transmission case (1), and the insertion depth Is fixed to the rod member (21) of the base plate (25) so that the cam member (23) is defined to a predetermined depth that enables the cam member (23) to be engaged with the engaged portions (11a to 15a). Place the a position adjusting means (31, 32) capable of regulating the axial direction of the rod member (21),
The pedestal plate (25) can visually recognize the engaged parts (11a to 15a) and the cam member (23) in the mission case (1) in a state where the base plate (25) is in contact with the mission case (1). A tool for manual shift operation for a transmission, characterized in that it has at least one through hole (25h).   The position adjusting means (31, 32) includes a positioning hole group (H1, H2) including a plurality of positioning holes (21a-21e, 22a-22e) arranged in parallel with the rod member (21) at an axial interval. H2) and a pin (40) that is selectively detachably locked in the plurality of positioning holes (21a to 21e, 22a to 22e) and can be locked to the base plate (25). A tool for manual shift operation for a transmission according to claim 1, characterized in that it is characterized in that   The transmission according to claim 2, wherein the plurality of positioning hole groups (H1, H2) corresponding to a plurality of models of the transmission are provided at different positions in the axial direction of the rod member (21). Tool for manual shift operation for.   The rod member (21) is exposed outside the transmission case (1) with the rod member (21) inserted into the transmission case (1). The transmission according to any one of claims 1 to 3, further comprising a tool receiving portion (26) on which a rotary operation tool (W) arranged on a line can be engaged so as not to be relatively rotatable. Tool for manual shift operation.