CN217440760U

CN217440760U - Gearbox operating device for truck

Info

Publication number: CN217440760U
Application number: CN202122925977.2U
Authority: CN
Inventors: 王杰; 刘广华; 董金楠; 刘强; 王光帅; 孔忠; 孙崇超
Original assignee: China National Heavy Duty Truck Group Jining Commercial Vehicle Co ltd
Current assignee: China National Heavy Duty Truck Group Jining Commercial Vehicle Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-09-16
Anticipated expiration: 2031-11-25

Abstract

The utility model provides a gearbox controlling device for truck belongs to vehicle gearbox and handles technical field, and the scheme of adoption is: the gear selecting and shifting flexible shaft is fixed on the gearbox through a gear selecting flexible shaft support and a gear shifting flexible shaft support respectively; the gear selecting and shifting rocker arm is fixedly connected with a gear selecting shaft and a gear shifting shaft of the gearbox respectively, and the push-pull manipulator can drive the gear selecting and shifting flexible shaft to move so as to drive the gear selecting and shifting rocker arm to rotate. The device has the advantages of simple structure, convenience in processing, flexible arrangement of the gear selecting and shifting flexible shaft and the gear selecting and shifting flexible shaft bracket, reasonable utilization of conventional mounting holes in the gearbox and arrangement space of an automobile, and prevention of interference of the gear selecting and shifting rocker arm with other parts.

Description

Gearbox operating device for truck

Technical Field

The patent relates to the technical field of vehicle transmission control, in particular to a transmission control device for a truck.

Background

At present, the types of gearboxes used by heavy-duty automobiles are complex and various, the arrangement modes of gear selecting and shifting operation of the gearboxes are also different, and due to the arrangement requirements of chassis of the whole automobile, the positions of gear selecting and shifting operation mechanisms of part of gearboxes are higher, and the gear selecting and shifting operation mechanisms are closer to the back, so that the assembly is influenced.

In order to prevent the gear shifting rocker arm from exceeding the upper wing surface of the frame too high, the gear shifting rocker arm of a part of the gearbox must face downwards, and the gear selecting rocker arm is as far as possible forward, but the engine rear suspension is often arranged in front of the gear selecting and shifting rocker arm, so that the interference between the gear selecting and shifting rocker arm and other surrounding parts is caused, and the gear selecting and shifting flexible shaft trend and the gear selecting and shifting flexible shaft support are not easy to arrange.

SUMMERY OF THE UTILITY MODEL

For the understanding decide select, shift rocking arm and other spare parts interfere and select, shift the flexible axle and select, shift the not enough that the flexible axle support is difficult for arranging, the utility model provides a gearbox controlling device for truck.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a kind of truck uses the control device of the change-speed gear box, including manipulator, select and keep off flexible axle and shift flexible axle, the manipulator couples to one end of selecting, shifting flexible axle through the cross universal joint, select, shift another end of flexible axle couple to select and keep off rocking arm and shift rocking arm separately, select, shift flexible axle fix on change-speed gear box through selecting to keep off flexible axle support and shifting flexible axle support separately; the gear selecting and shifting rocker arm is fixedly connected with a gear selecting shaft and a gear shifting shaft of the gearbox respectively, and the push-pull manipulator can drive the gear selecting and shifting flexible shaft to move so as to drive the gear selecting and shifting rocker arm to rotate. When the device is assembled, one end of a gear selecting flexible shaft and one end of a gear shifting flexible shaft are connected with a manipulator, the other ends of the gear selecting flexible shaft and the gear shifting flexible shaft are respectively connected with one ends of a gear selecting rocker arm and one end of a gear shifting rocker arm, and then the other ends of the gear selecting rocker arm and the gear shifting rocker arm are respectively fixedly connected with a gear selecting shaft and a gear shifting shaft of a gearbox; then the positions of a gear selecting flexible shaft and a gear shifting flexible shaft are fixed, and the gear selecting flexible shaft and the gear shifting flexible shaft are fixed on the gearbox through a gear selecting flexible shaft support and a gear shifting flexible shaft support; the flexible shaft front and back movement of selecting and shifting is pulled through the pushing manipulator to drive the rocker arm of selecting and shifting to rotate, the operation of selecting and shifting of the gearbox is achieved, the flexible shaft of selecting and shifting is fixed on the gearbox respectively, the assembly space is reasonably utilized, and the interference of the rocker arm of selecting and shifting and other surrounding parts in the movement process of the rocker arm and the gear shifting can be prevented.

Furthermore, the gear selecting flexible shaft bracket is Z-shaped and comprises a bottom plate and a top plate which are parallel to each other, and the top plate is connected with the bottom plate through a connecting plate; the gear selecting flexible shaft bracket is arranged on a top cover of the gearbox through a first connecting mechanism. The Z-shaped gear selecting flexible shaft support is adopted to better match the shape of the gearbox, so that the space is reasonably arranged by application, and the assembly of other parts is prevented from being influenced.

Furthermore, the first connecting mechanism comprises at least two threaded holes I on the top cover, at least two threaded holes II which are arranged on the bottom plate and have the same aperture as the threaded holes I, and bolts, the threaded holes are equidistantly arranged on the bottom plate, the distance between the two threaded holes II is equal to the distance between the threaded holes I, and the bolts penetrate through the threaded holes II and the threaded holes I to fixedly connect the bottom plate and the top cover. The first and second threaded holes have equal apertures and consistent intervals, and a conventional mounting hole on the gearbox is skillfully applied; the bottom plate, the gearbox top cover and other parts fixedly connected with the gearbox top cover and the gearbox are simultaneously and fixedly connected through the bolts, mounting holes are not required to be formed in the gearbox to be used for connecting the bottom plate, machining procedures are greatly saved, and machining and installation of the device are facilitated.

Furthermore, a top plate of the gear selecting flexible shaft support is flush with the top surface of the suspension frame in the gearbox, and the gear selecting flexible shaft is installed on the top plate through a U-shaped bolt. The gear selecting and blocking flexible shaft support can be prevented from interfering with other parts, and the assembling space is reasonably utilized.

Furthermore, the gear shifting flexible shaft support comprises a first mounting plate and a second mounting plate which are perpendicular to each other, the first mounting plate is parallel to the end face of the connecting end of the left suspension support frame and the gearbox of the engine and is mounted on the left suspension support frame of the engine through a second connecting mechanism, and the first mounting plate is integrally L-shaped. Can make reasonable use of the assembly space, is convenient for the installation of the gear shifting flexible shaft and the gear shifting flexible shaft bracket.

And the connecting mechanism II comprises a third threaded hole positioned on the gearbox suspension frame, a fourth threaded hole positioned on the left suspension support frame of the engine, a fifth threaded hole positioned on the first mounting plate and a bolt, the fifth threaded hole and the third and fourth threaded holes are concentrically arranged, and the bolt sequentially penetrates through the third, fourth and fifth threaded holes to fixedly connect the first mounting plate, the left suspension support frame of the engine and the gearbox. The five threaded holes in the first mounting plate are concentrically arranged with the three threaded holes originally arranged on the suspension frame of the gearbox and the four threaded holes originally arranged on the left suspension support frame of the engine, the first mounting plate, the left suspension support frame of the engine and the gearbox can be fixedly connected by using bolts only by processing the five threaded holes in the first mounting plate, the processing procedures of the device are greatly reduced, conventional mounting holes in other parts are ingeniously utilized, and the arrangement and installation of the gear-shifting rotating shaft support are facilitated.

Furthermore, the gear shifting flexible shaft is installed below the second mounting plate through a U-shaped bolt. The lower part of the second mounting plate is provided with a shifting flexible shaft which can prevent the shifting flexible shaft from interfering with a bolt or other parts on a left suspension support frame of the engine during movement.

Furthermore, the length of the first mounting plate is matched with the width of a left suspension support frame of the engine, and at least two threaded holes five are formed in the first mounting plate. The projection of the first mounting plate and the projection of the left suspension support of the engine on a vertical plane can be superposed with each other, so that the arrangement space of the gear shifting flexible shaft support is saved; the arrangement of at least two threaded holes is beneficial to ensuring the stability of the device.

Furthermore, at least two reinforcing ribs are arranged on the gear selecting flexible shaft support and are respectively positioned at the joint of the connecting plate and the top plate and the joint of the connecting plate and the bottom plate.

Furthermore, at least one reinforcing rib is arranged on the gear shifting flexible shaft support and located at the joint of the first mounting plate and the second mounting plate. The bending strength of the flexible shaft support for selecting and shifting can be increased, deformation of the flexible shaft support for selecting and shifting during movement of the flexible shaft for selecting and shifting is prevented, and the service life of the device is prolonged.

According to the technical scheme, the utility model has the advantages of it is following:

this scheme provides a gearbox controlling device for truck, the device simple structure, and convenient for process, select to keep off the flexible axle support and separately arrange with the flexible axle support of shifting, make and select, the flexible axle of shifting and select, the laying of the flexible axle support of shifting is more nimble, need not to set up the fixed selection of mounting hole alone on the gearbox, the flexible axle support of shifting, the arrangement space of conventional mounting hole and car on the rational utilization gearbox, prevent to select, do not influence the assembly of other spare parts when the rocking arm of shifting interferes with other spare parts.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the present invention.

In the figure, 1, a manipulator, 2, a cross universal joint, 3, a gear selecting flexible shaft, 4, a gear shifting flexible shaft, 5, a gearbox, 6, a gear selecting rocker arm, 7, a gear shifting rocker arm, 8, a gear selecting flexible shaft support, 9, a bottom plate, 10, a connecting plate, 11, a top plate, 12 and a U-shaped bolt, 13, a threaded hole I, 14, a threaded hole II, 15, a gear shifting flexible shaft support, 16, a mounting plate I, 17, a mounting plate II, 18, a threaded hole III, 19, a threaded hole IV, 20, a threaded hole V, 21, a reinforcing rib, 22, a top cover, 23, a suspension bracket, 24 and a left suspension bracket.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1 to 2, a truck gearbox control device comprises a manipulator 1, a gear selecting flexible shaft 3 and a gear shifting flexible shaft 4, wherein the manipulator 1 is connected with one end of the gear selecting and shifting flexible shaft through a cross universal joint 2, the other end of the gear selecting and shifting flexible shaft is respectively connected with a gear selecting rocker arm 6 and a gear shifting rocker arm 7, and the gear selecting and shifting flexible shaft is respectively fixed on a gearbox 5 through a gear selecting flexible shaft support 8 and a gear shifting flexible shaft support 15; the gear selecting and shifting rocker arm is fixedly connected with a gear selecting shaft and a gear shifting shaft of the gearbox 5 respectively, and the push-pull manipulator 1 can drive the gear selecting and shifting flexible shaft to move so as to drive the gear selecting and shifting rocker arm to rotate.

Specifically, the initial installation angle of the gear selecting and shifting rocker arm needs to be determined according to the arrangement of the whole vehicle, and the initial installation angle of the gear selecting rocker arm 6 can be set to form an included angle of 105 degrees with the advancing direction of the vehicle; the initial mounting angle of the gear shifting rocker arm 7 can be set to be 15 degrees from the vertical direction.

In this embodiment, the gear selecting flexible shaft bracket 8 is Z-shaped and comprises a bottom plate 9 and a top plate 11 which are parallel to each other, wherein the bottom plate 9 is positioned below the top plate 11 and is connected with the top plate 11 through a connecting plate 10; the bottom plate 9 is arranged on a top cover 22 of the gearbox 5 through a first connecting mechanism, and the gear selecting flexible shaft 3 is arranged on the top plate 11 through a U-shaped bolt 12. The connecting plate 10 can be arranged to be vertical to the bottom plate 9 and the top plate 11, and the connecting plate 10 can also be arranged in an inclined mode, so that the stability of the gear selecting flexible shaft support 8 is guaranteed; can select to keep off flexible axle support 8 and install in one side of top cap 22, adopt the shape of the cooperation gearbox 5 that Z shape selection keeps off flexible axle support 8 can be better, reasonable application arranges the space, prevents to influence the assembly of other spare parts.

In this embodiment, the shift flexible shaft support 15 includes a first mounting plate 16 and a second mounting plate 17 which are perpendicular to each other, the first mounting plate 16 is parallel to the end face of the connecting end of the left suspension support frame 24 of the engine and the transmission 5 and is mounted on the left suspension support frame 24 of the engine through a second connecting mechanism, the first mounting plate is integrally L-shaped, and the shift flexible shaft 4 is mounted below the second mounting plate 17 through a U-shaped bolt 12. The gear shifting flexible shaft 4 is positioned below the second mounting plate 17, so that the gear shifting flexible shaft 4 can be prevented from interfering with a bolt or other parts on a left suspension support frame 24 of the engine during movement.

Specifically, the first connecting mechanism comprises at least two threaded holes I13 in the top cover 22, at least two threaded holes II 14 which are arranged on the bottom plate 9 and have the same aperture as the threaded holes I13, and bolts, the threaded holes II 14 are arranged on the bottom plate 9 at equal intervals, the interval between the threaded holes II 14 is equal to the interval between the threaded holes I13, and the bolts penetrate through the threaded holes II 14 and the threaded holes I13 to fixedly connect the bottom plate 9 and the top cover 22. The first and second threaded holes have equal apertures and consistent intervals, and a conventional mounting hole on the gearbox 5 is skillfully applied; the bolts are used for fixedly connecting the bottom plate 9 and the top cover 22 and fixedly connecting the top cover 22 and other parts of the gearbox 5, mounting holes are not required to be formed in the gearbox 5 for connecting the bottom plate 9, the machining process is greatly saved, and the device is beneficial to machining and mounting.

Wherein, the top plate 11 of the gear selecting flexible shaft bracket 8 is flush with the top surface of the suspension frame 23 in the gearbox 5. The gear selecting flexible shaft support 15 can be prevented from interfering with other parts, and the assembly space is reasonably utilized.

Specifically, the second connecting mechanism comprises a third threaded hole 18 located in a suspension frame 23 of the gearbox 5, a fourth threaded hole 19 located in a left suspension support frame 24 of the engine, a fifth threaded hole 20 located in a first mounting plate 16 and a bolt, the fifth threaded hole 20 and the third threaded hole and the fourth threaded hole are concentrically arranged, and the bolt sequentially penetrates through the third threaded hole, the fourth threaded hole and the fifth threaded hole to fixedly connect the first mounting plate 16, the left suspension support frame 24 of the engine and the gearbox 5. The five threaded holes 20 in the first mounting plate 16 are concentrically arranged with the three threaded holes 18 originally arranged in the gearbox suspension frame 23 and the four threaded holes 19 in the left suspension support frame 24 of the engine, the first mounting plate 16, the left suspension support frame 24 of the engine and the gearbox 5 can be fixedly connected through bolts only by machining the five threaded holes 20 in the first mounting plate 16, machining procedures of the device are greatly reduced, conventional mounting holes in other parts are ingeniously utilized, and arrangement and installation of a gear selecting and shifting rotating shaft support are facilitated.

The length of the first mounting plate 16 is matched with the width of a left suspension support frame 24 of the engine, and at least two threaded holes five 20 are formed in the first mounting plate 16. The projections of the first mounting plate 16 and the left suspension support frame 24 of the engine on a vertical plane can be overlapped, so that the arrangement space of the gear shifting flexible shaft support 15 is saved; the provision of at least two threaded holes five 20 facilitates ensuring the stability of the device.

In addition, the gear selecting flexible shaft bracket 8 is provided with at least two reinforcing ribs 21, and the reinforcing ribs 21 are respectively positioned at the joint of the connecting plate 10 and the top plate 11 and the joint of the connecting plate 10 and the bottom plate 9; at least one reinforcing rib 21 is arranged on the gear shifting flexible shaft bracket 15, and the reinforcing rib 21 is positioned at the joint of the first mounting plate 16 and the second mounting plate 17. The bending strength of the flexible shaft support for selecting and shifting can be increased, deformation of the flexible shaft support for selecting and shifting during movement of the flexible shaft for selecting and shifting is prevented, and the service life of the device is prolonged.

The operating principle of the gearbox operating device for the truck is as follows: when the device is assembled, one end of a gear selecting flexible shaft 3 and one end of a gear shifting flexible shaft 4 are connected with a manipulator 1, the other ends of the gear selecting flexible shaft and the gear shifting flexible shaft are respectively connected with one ends of a gear selecting rocker arm 6 and a gear shifting rocker arm 7, and then the other ends of the gear selecting rocker arm 6 and the gear shifting rocker arm 7 are respectively fixedly connected with a gear selecting shaft and a gear shifting shaft of a gearbox 5; then, the positions of a gear selecting flexible shaft 3 and a gear shifting flexible shaft 4 are fixed through a gear selecting flexible shaft support 8 and a gear shifting flexible shaft support 15, the gear selecting flexible shaft 3 is fixedly connected with a top plate 11 of the gear selecting flexible shaft support 8 through a U-shaped bolt 12, and the gear shifting flexible shaft 15 is fixedly connected below a second mounting plate 17 through the U-shaped bolt 12; arranging a second threaded hole 14 on the bottom plate 9 according to a first threaded hole 13 on a top cover 22 of the gearbox 5, enabling the second threaded hole 14 and the first threaded hole 13 to be the same in aperture and interval, and enabling a bolt to penetrate through the first threaded hole 13 and the second threaded hole 14 to fixedly connect the bottom plate 9 and the top cover 22; similarly, according to a threaded hole III 18 in the gearbox suspension bracket 23 and a threaded hole IV 19 in the left suspension support frame 24 of the engine, a threaded hole V20 is machined in the mounting plate I16, the threaded hole V20 and the former two are concentrically arranged, and a bolt sequentially penetrates through the threaded holes III, IV and V to lock and fix the mounting plate I16, the left suspension support frame 24 of the engine and the gearbox suspension bracket 23, so that the gear shifting flexible shaft bracket 15 is fixed on the gearbox 5, and the gear shifting flexible shaft bracket is not required to be additionally machined in the gearbox 5 to be used for fixing the gear selecting and shifting flexible shaft bracket; the flexible shaft front and back movement is pulled through the pushing manipulator 1 to drive the rocker arm for selecting and shifting to rotate, the operation of selecting and shifting of the gearbox is achieved, the assembly space is reasonably utilized, interference between the flexible shaft for selecting and shifting and other surrounding parts in the movement process can be prevented, and the flexible shaft for selecting and shifting and the positioning and layout of the flexible shaft support for selecting and shifting are facilitated.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings (if any) are used to distinguish relative relationships in position, and are not necessarily qualitative. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A truck gearbox control device is characterized by comprising a manipulator, a gear selecting flexible shaft and a gear shifting flexible shaft, wherein the manipulator is connected with one end of the gear selecting and shifting flexible shaft through a cross universal joint; the gear selecting and shifting rocker arm is fixedly connected with a gear selecting shaft and a gear shifting shaft of the gearbox respectively, and the push-pull manipulator can drive the gear selecting and shifting flexible shaft to move so as to drive the gear selecting and shifting rocker arm to rotate.

2. The truck gearbox control device according to claim 1, wherein the gear selecting flexible shaft bracket is Z-shaped and comprises two bottom plates and a top plate which are parallel to each other, and the top plate is connected with the bottom plates through connecting plates; the gear selecting flexible shaft bracket is arranged on a top cover of the gearbox through a first connecting mechanism.

3. The truck transmission operating device according to claim 2, wherein the first connecting means comprises at least two first threaded holes on the top cover, at least two second threaded holes on the bottom plate, the second threaded holes having the same diameter as the first threaded holes, and bolts, the second threaded holes are equidistantly arranged on the bottom plate, the second threaded holes are equidistantly arranged from the first threaded holes, and the bolts pass through the second threaded holes and the first threaded holes to fixedly connect the bottom plate and the top cover.

4. The truck transmission operating device as claimed in claim 2, wherein a top plate of the gear selecting flexible shaft bracket is flush with a top surface of a suspension frame in the transmission, and the gear selecting flexible shaft is mounted on the top plate through a U-shaped bolt.

5. The truck gearbox operating device as recited in claim 1, wherein the shift flexible shaft bracket comprises a first mounting plate and a second mounting plate which are perpendicular to each other, the first mounting plate is parallel to the end face of the connecting end of the left suspension support frame and the gearbox of the engine, the shift flexible shaft bracket is mounted on the left suspension support frame of the engine through a second connecting mechanism, and the first mounting plate is L-shaped as a whole.

6. The truck transmission operating device according to claim 5, wherein the second connecting mechanism comprises a third threaded hole in the transmission suspension frame, a fourth threaded hole in the left suspension support frame of the engine, a fifth threaded hole in the first mounting plate and a bolt, the fifth threaded hole is concentric with the third threaded hole and the fourth threaded hole, and the bolt sequentially penetrates through the third threaded hole, the fourth threaded hole and the fifth threaded hole to fixedly connect the first mounting plate, the left suspension support frame of the engine and the transmission.

7. The truck transmission operating device as claimed in claim 5, wherein the shift flexible shaft is mounted below the mounting plate II through a U-shaped bolt.

8. The truck transmission operating device according to claim 5, wherein the length of the first mounting plate is adapted to the width of a left suspension bracket of the engine, and at least two screw holes five are provided in the first mounting plate.

9. The transmission operating device for trucks of claim 2 wherein the flexible axle bracket of the gear selector has at least two ribs respectively located at the joint of the connecting plate and the top plate and at the joint of the connecting plate and the bottom plate.

10. The truck transmission operating device as claimed in claim 5, wherein the shift shaft bracket is provided with at least one reinforcing rib, and the reinforcing rib is located at the joint of the first mounting plate and the second mounting plate.