CN219013301U - Mechanical transmission with interchangeable gear shifting mechanism - Google Patents

Abstract

The utility model provides a mechanical transmission with interchangeable gear shifting mechanisms, which relates to the technical field of automobile transmissions and adopts the following scheme: including the casing, be provided with the main shaft in the casing, install gearshift, gear on the main shaft, gearshift can reciprocate and different gear combinations, realize different gear ratios, be provided with on the gear can be connected with the sliding sleeve and can be connected with the universal connection structure of synchronous ware again, the upper portion of casing is provided with the little lid controlling device that can realize automatic and manual switching, when the installation sliding sleeve, little lid controlling device can drive the sliding sleeve and combine with the universal connection structure on the gear, when the installation synchronous ware, little lid controlling device can drive synchronous ware and the universal connection structure on the gear and combine. The sliding sleeve and the synchronizer are exchanged, and different configuration requirements of the automatic transmission and the manual transmission are met.

Description

Mechanical transmission with interchangeable gear shifting mechanism

Technical Field

The utility model relates to the technical field of automobile transmissions, in particular to a mechanical transmission with interchangeable gear shifting mechanisms.

Background

A transmission, also known as a gearbox, is a mechanism for changing rotational speed and torque from an engine that can fix or shift the ratio of the output shaft to the input shaft. The speed variator consists of speed-changing driving mechanism and operating mechanism, and some automobiles also have power output mechanism. Most of the transmission mechanisms are driven by common gears, and other transmission mechanisms are driven by planetary gears. Common gear transmission speed change mechanisms generally use slipping gears, synchronizers and the like. Transmission technology is now mature.

With the increasing demands of domestic drivers on automobile operability and the continuous popularization of automatic transmissions, the holding quantity of automatic transmissions for domestic automatic gear shifting and manual transmissions of full synchronizers is increased, and the working condition adaptability, operability and dynamic performance of vehicles become important performances of the whole vehicle. Commercial vehicles generally have various configurations of automatic transmissions and manual transmissions, but the domestic automatic transmissions and manual transmissions with the same torque section have poor interchangeability, so that the state difference of the whole vehicle is large and the difficulty of production organization is increased. The automatic transmission and the manual transmission of the full synchronizer are configured differently, so that the universality of parts is low, and the production cost is increased due to a large number of special parts. In addition, the automatic transmission main box generally adopts a shifting mechanism of a sliding sleeve, for example, a small cover operating mechanism is directly replaced to be changed into a manual transmission, and the working condition adaptability, the operability and the dynamic performance of the vehicle are greatly different from those of the manual transmission of the full synchronizer.

Disclosure of Invention

The utility model aims to solve the problems of low universalization degree and large difference of the whole vehicle matching state of the existing automatic transmission and the manual transmission, and provides and designs a mechanical transmission with interchangeable gear shifting mechanisms in order to enhance the universalization degree and the consistency of the whole vehicle matching state of the mechanical transmission and meet the requirements of the working condition adaptability, the operability and the power performance of the vehicle on the transmission.

The utility model adopts the scheme for solving the technical problems that: the utility model provides a mechanical transmission that gearshift can exchange, which comprises a housin, be provided with the main shaft in the casing, install gearshift, gear on the main shaft, gearshift can back-and-forth movement combine with different gear, realize different gear speed ratios, be provided with on the gear and can be connected with the sliding sleeve and can be connected with the universal connection structure of synchronous ware again, the upper portion of casing is provided with the little lid controlling device that can realize automatic and manual switching, when the installation sliding sleeve, little lid controlling device can drive the sliding sleeve and combine with the universal connection structure on the gear, when the installation synchronous ware, little lid controlling device can drive synchronous ware and the universal connection structure on the gear and combine. The sliding sleeve and the synchronizer are exchanged, and different configuration requirements of the automatic transmission and the manual transmission are met.

Further, the universal connection structure adopts a universal internal spline interface, and the gear can be connected with the sliding sleeve and the synchronizer through splines. The universality is realized, the sliding sleeve can be installed to realize the matching, and the synchronizer can be installed to realize the matching.

Further, a main box and a range gear auxiliary box positioned at the rear side of the main box are further arranged in the shell, the main box is of a double auxiliary shaft structure, an input shaft, a left auxiliary shaft, a right auxiliary shaft and a main shaft are arranged in the main box, and the range gear auxiliary box is a planetary mechanism.

Further, the small cover operating device comprises a manual small cover operating mechanism and an automatic small cover operating mechanism, and the manual small cover operating mechanism and the automatic small cover operating mechanism can be switched.

Further, the automatic small cover operating mechanism is connected with the shell through the adapter plate, the automatic small cover operating mechanism is connected with the adapter plate through bolts, and the adapter plate is connected with the shell through bolts. The manual small cover operating mechanism is directly connected with the shell through bolts. Different configuration requirements of an automatic transmission and a manual transmission are satisfied.

From the above technical scheme, the utility model has the following advantages:

according to the mechanical transmission with interchangeable gear shifting mechanisms, the gear shifting mechanism of the main box main shaft can realize the interchange of the sliding sleeve and the synchronizer, and the gear is provided with a universal internal spline interface which can be respectively connected with the sliding sleeve and the synchronizer through splines; the small cover operating mechanism at the upper part of the shell can realize the exchange of the automatic small cover operating mechanism and the manual small cover operating mechanism; the automatic small cover operating mechanism is connected with the adapter plate through bolts, the adapter plate is connected with the shell through bolts, the manual small cover operating mechanism can be directly connected with the shell through bolts, different configuration requirements of the automatic transmission and the manual transmission are met, the universality of parts is improved, and the production cost is reduced; the universalization degree of the transmission is improved, the state difference of the whole vehicle is reduced, and the difficulty of production organization is reduced. The automatic transmission of sliding sleeve gear shifting is changed into the manual transmission of the full synchronizer, so that the working condition adaptability, the operability and the dynamic property of the vehicle are improved.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic structural view of the sliding sleeve according to the embodiment of the present utility model.

Fig. 3 is a schematic structural view of a synchronizer according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of an automatic small cap operating mechanism according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a manual cap handling mechanism according to an embodiment of the present utility model.

In the figure, 1, a shell; 2. a main box; 3. a range gear auxiliary box; 4. an input shaft; 5. a left auxiliary shaft; 6. a right auxiliary shaft; 7. a main shaft; 8. a gear shifting mechanism; 9. a gear; 10. a small cover operating mechanism; 11. an adapter plate; 801. a sliding sleeve; 802. a synchronizer; 1001. an automatic small cover operating mechanism; 1002. a manual small cover operating mechanism.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

As shown in fig. 1 to 5, the present embodiment provides a mechanical transmission with interchangeable shift mechanisms, which includes a housing 1, a main case 2 and a range gear sub-case 3 located at the rear side of the main case 1 are provided in the housing 1, the main case 2 is of a double-auxiliary-shaft structure, an input shaft 4, a left auxiliary shaft 5, a right auxiliary shaft 6, and a main shaft 7 are provided in the main case 2, and the range gear sub-case 3 is a planetary mechanism. The main shaft 7 is also provided with a gear shifting mechanism 8 and a gear 9, and the gear shifting mechanism can move back and forth to be combined with different gear through splines, so that different gear ratios are realized.

The gear shifting mechanism 8 can realize the exchange of the sliding sleeve 801 and the synchronizer 802, and the gear 9 is provided with a universal internal spline interface which can be respectively connected with the sliding sleeve 801 and the synchronizer 802 through splines, so that different configuration requirements of an automatic transmission and a manual transmission are met.

The upper part of the shell 1 is provided with a small cover operating mechanism 10, and the small cover operating mechanism 10 can realize the exchange of an automatic small cover operating mechanism 1001 and a manual small cover operating mechanism 1002; the automatic small cover operating mechanism 1001 is connected with the adapter plate 11 through bolts, the adapter plate 11 is connected with the shell 1 through bolts, and the manual small cover operating mechanism 1002 can be directly connected with the shell 1 through bolts, so that different configuration requirements of an automatic transmission and a manual transmission are met.

When the transmission is shifted, the small cover operating mechanism 10 drives the mechanical structure, and finally the main shaft shifting mechanism 8 and the different gear gears 9 are combined through the spline, so that the transmission gear transmission power is realized. When the automatic mechanical transmission is in automatic small cover operating mechanism 1001 and adapter plate 11 are connected through bolts, adapter plate 11 and shell 1 are connected through bolts, gear 9 is provided with a universal internal spline interface, and is connected with sliding sleeve 801 through a spline, and when the automatic mechanical transmission is in gear shifting, sliding sleeve 801 is finally driven by automatic small cover operating mechanism 1001 to realize gear shifting, and the sliding sleeve replaces a synchronizer to shift gears, so that the problems that the synchronizer is easy to wear and the structure is easy to damage are solved, meanwhile, the cost is reduced, and the service life of the transmission is prolonged. When the manual mechanical transmission is in gear shifting, the automatic small cover operating mechanism 1001 and the adapter plate 11 are only needed to be removed, the manual small cover operating mechanism 1002 is connected with the shell 1 through bolts, meanwhile, the main shaft is removed from the sliding sleeve 801, the synchronizer 802 is connected with a universal internal spline interface of the gear 9 through a spline, the manual small cover operating mechanism 1002 finally drives the synchronizer 802 to realize gear shifting during gear shifting, and the automatic transmission with the sliding sleeve for gear shifting is changed into the manual transmission of the full synchronizer, so that the working condition adaptability, the operability and the dynamic performance of the vehicle are improved.

The utility model has reasonable and reliable structural design, meets the different configuration requirements of the automatic transmission and the manual transmission, improves the universality of parts and reduces the production cost; the universalization of the speed changer is improved, the state difference of the whole vehicle is reduced, and the difficulty of production organization is reduced. The automatic transmission of sliding sleeve gear shifting is changed into the manual transmission of the full synchronizer, so that the working condition adaptability, the operability and the dynamic property of the vehicle are improved.

In the specific implementation process, the transmission is provided with a forced lubrication system, so that lubrication and cooling of the transmission are ensured, and the service life is prolonged; the planetary mechanism of the auxiliary box of the speed changer has large reduction ratio and strong bearing capacity, enlarges the speed ratio range of the speed changer and improves the reliability of heavy-load working conditions.

The terms "upper," "lower," "outboard," "inboard," and the like in the description and in the claims of the utility model and in the above figures, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. 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 utility model. Thus, the present utility model 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 (6)

1. The utility model provides a mechanical transmission that gearshift can exchange, which comprises a housin, be provided with the main shaft in the casing, install gearshift, gear on the main shaft, gearshift can back-and-forth movement and different gear combinations, its characterized in that is provided with on the gear and can be connected with the sliding sleeve and can be connected with the universal connection structure of synchronous ware, the upper portion of casing is provided with the little lid controlling device that can realize automatic and manual switching, when the installation sliding sleeve, little lid controlling device can drive the sliding sleeve and combine with the universal connection structure on the gear, when the installation synchronous ware, little lid controlling device can drive synchronous ware and the universal connection structure on the gear and combine.

2. A mechanical transmission with interchangeable shift mechanisms as claimed in claim 1, wherein the universal connection is a universal internal spline interface, and the gear is capable of splined connection with the sleeve and synchronizer.

3. A mechanical transmission with interchangeable gear shifting mechanisms according to claim 1 or 2, characterized in that a main box and a range gear auxiliary box positioned at the rear side of the main box are also arranged in the shell, the main box is of a double auxiliary shaft structure, an input shaft, a left auxiliary shaft, a right auxiliary shaft and a main shaft are arranged in the main box, and the range gear auxiliary box is a planetary mechanism.

4. A mechanical transmission with interchangeable shift mechanisms as claimed in claim 3, wherein the small cover operating means comprises a manual small cover operating mechanism and an automatic small cover operating mechanism.

5. The mechanical transmission with interchangeable shift mechanisms as claimed in claim 4, wherein the automatic small cover operating mechanism is connected to the housing via an adapter plate, the automatic small cover operating mechanism is bolted to the adapter plate, and the adapter plate is bolted to the housing.

6. The interchangeable mechanical transmission of claim 4, wherein the manual small cover operating mechanism is directly bolted to the housing.

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