Gear shifting driving mechanism of gearbox system
By adopting an external drive structure on the transmission, the problem of inconvenience in maintenance of the built-in drive structure is solved, more efficient maintenance and use safety is achieved, and maintenance efficiency is improved.
Patent Information
- Application Number
- CN202420968033.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The built-in drive structure of the existing gearbox causes inconvenience in maintenance and affects maintenance efficiency.
Adopt an external drive structure, fixed to one side of the transmission box and connected to the gear lever, including an L-shaped fixing block, a step mounting block and a permanent magnet cylinder drive assembly. The drive assembly and the gear lever are connected through a guide hole and a mounting column to ensure the driving mechanism External, easy to repair.
Improves the maintenance efficiency and use safety of the gearbox, making it easier to maintain and replace.
Smart Images

Figure CN222163522U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a gear shift driving mechanism of a transmission system. Background Art
[0002] At present, the gearboxes used in my country all adopt a mechanical continuously variable transmission wheel plus a mechanical shifting structure, and the shifting is mostly operated by a flexible shaft stretching operation. This set of walking gearboxes is widely used in small and medium-sized and low-end harvesters due to its economy and reliability. However, under the higher requirements of users for high efficiency and high comfort, gearboxes are gradually becoming more powerful and high-end, which puts higher requirements on the transmission power and shifting comfort of walking gearboxes. For example, the patent disclosed in publication number CN115507177 A sets a built-in drive structure according to the demand. Since the shifting push mechanism 9 is a cylinder or an electric push rod, its driving end is installed in the shell, which makes its later maintenance inconvenient and requires the shell to be removed before loading and unloading, affecting the overall maintenance efficiency. Utility Model Content
[0003] The main technical problem solved by the utility model is to provide a gearbox system shift drive mechanism, which adopts an external drive, is convenient for maintenance, safe to use, and greatly improves the maintenance efficiency.
[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a gear shift drive mechanism of a gearbox system, which is fixed on one side of the gearbox and connected with a gear shift rod, comprising a fixed block, a mounting block and a driving assembly, one end of the gear shift rod protrudes and is arranged outside the gearbox, comprising a first gear shift rod and a second gear shift rod, the fixed block is arranged in an L-shaped structure, the longitudinal end of the fixed block is fixed to the outer side wall of the gearbox, the transverse end is located at the upper part of the longitudinal end and is arranged outward, the longitudinal end of the fixed block is provided with a guide hole corresponding to the first gear shift rod and the second gear shift rod, the mounting block is arranged in a transverse distribution and fixed in a stepped structure below the outer transverse end of the fixed block, the outer side ends of the lower surface of the mounting block are respectively provided with a first mounting column and a second mounting column downwardly, the driving assembly is transversely distributed below the mounting block, comprising a first driving assembly and a second driving assembly, the fixed end of the first driving assembly is fixed on the first mounting column, and the driving end is connected to the first gear shift rod, the fixed end of the second driving assembly is fixed on the second mounting column, and the driving end is connected to the second gear shift rod.
[0005] In a preferred embodiment of the present invention, the first driving assembly includes a first permanent magnetic electric cylinder and a first connecting block, the fixed end of the first permanent magnetic electric cylinder is fixed on the first mounting column, and the driving end is connected to the first shift rod through the first connecting block.
[0006] In a preferred embodiment of the present invention, the second driving assembly includes a second permanent magnetic electric cylinder and a second connecting block, the fixed end of the second permanent magnetic electric cylinder is fixed on the second mounting column, and the driving end is connected to the second shift rod through the second connecting block.
[0007] In a preferred embodiment of the present invention, the first permanent magnetic electric cylinder and the second permanent magnetic electric cylinder have the same structure, and the first connecting block and the second connecting block have the same structure and are both arranged in a right-angle structure.
[0008] In a preferred embodiment of the present invention, the fixing block is covered with a waterproof cover on one side of the mounting block.
[0009] The beneficial effects of the utility model are as follows: the gearbox system shift drive mechanism disclosed by the utility model adopts an external drive, is convenient for maintenance, safe to use, and greatly improves the maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:
[0011] Figure 1 This is a three-dimensional installation diagram of a preferred embodiment of a gearbox system shift drive mechanism of the utility model;
[0012] Figure 2 This is a three-dimensional installation diagram of a preferred embodiment of a gearbox system shift drive mechanism of the utility model without a waterproof cover;
[0013] Figure 3 It is a three-dimensional diagram of a preferred embodiment of a gearbox system shift drive mechanism of the utility model;
[0014] Figure 4 It is a three-dimensional diagram of a preferred embodiment of a gear shift drive mechanism of a transmission system of the utility model with a waterproof cover removed. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0016] See also Figure 1 Combination Figure 2-Figure 4As shown, the embodiment of the utility model includes:
[0017] A gear shift drive mechanism for a gearbox system is fixed to one side of a gearbox 1 and connected to a gear shift lever, and comprises a fixing block 2, a mounting block 3 and a drive assembly.
[0018] Among them, one end of the shift lever protrudes from the outside of the gearbox 1, including a first shift lever 4 and a second shift lever 5. The first shift lever 4 is used to control neutral and first gear, and the second shift lever 5 is used to control neutral and second gear, neutral and third gear.
[0019] The fixing block 2 is arranged in an L-shaped structure, with the longitudinal end of the fixing block 2 fixed to the outer side wall of the gearbox 1, and the transverse end is located at the upper part of the longitudinal end and arranged outward, for fixing the entire drive mechanism. The longitudinal end of the fixing block 2 is provided with a guide hole 6 corresponding to the first shift lever 4 and the second shift lever 5, so as to facilitate the movement and guidance of the first shift lever 4 and the second shift lever 5.
[0020] The mounting block 3 is laterally distributed and fixed in a stepped structure below the outer lateral end of the fixing block 2. The first mounting column 7 and the second mounting column 8 are respectively downwardly arranged on both sides of the outer end of the lower surface of the mounting block 3 for fixing the drive assembly.
[0021] The driving assembly is laterally distributed below the mounting block 3, and includes a first driving assembly and a second driving assembly. The first driving assembly includes a first permanent magnetic electric cylinder 9 and a first connecting block 10. The fixed end of the first permanent magnetic electric cylinder 9 is fixed on the first mounting column 7, and the driving end is connected to the first shift rod 4 through the first connecting block 10, and the first permanent magnetic electric cylinder 9 drives the first shift rod 4 to shift gears; the second driving assembly includes a second permanent magnetic electric cylinder 11 and a second connecting block 12. The fixed end of the second permanent magnetic electric cylinder 11 is fixed on the second mounting column 8, and the driving end is connected to the second shift rod 5 through the second connecting block 12, and the second shift rod 5 is driven to shift gears through the second permanent magnetic electric cylinder 11.
[0022] The first permanent magnetic electric cylinder 9 and the second permanent magnetic electric cylinder 11 have the same structure, and the first connecting block 10 and the second connecting block 12 have the same structure and are both arranged at a right angle, so that maintenance and replacement are convenient.
[0023] The fixing block 2 is covered with a waterproof cover 13 on one side of the mounting block 3 to waterproof the driving assembly and ensure safety in use.
[0024] In summary, the gear shift drive mechanism of a transmission system disclosed in the utility model adopts an external drive, is easy to maintain, safe to use, and greatly improves the maintenance efficiency.
[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A gear shift drive mechanism of a gearbox system, fixed to one side of the gearbox and connected to a gear lever, characterized in that: The gearshift lever comprises a fixing block, a mounting block and a driving assembly, wherein one end of the gearshift lever protrudes and is arranged outside the gearbox, comprising a first gearshift lever and a second gearshift lever, the fixing block is arranged in an L-shaped structure, the longitudinal end of the fixing block is fixed to the outer side wall of the gearbox, the transverse end is located at the upper part of the longitudinal end and is arranged outward, the longitudinal end of the fixing block is provided with a guide hole corresponding to the first gearshift lever and the second gearshift lever, the mounting block is arranged in a transverse distribution and is fixed in a stepped structure below the outer transverse end of the fixing block, the outer side ends of the lower surface of the mounting block are respectively provided with a first mounting column and a second mounting column downwardly, the driving assembly is distributed in a transverse direction below the mounting block, comprising a first driving assembly and a second driving assembly, the fixing end of the first driving assembly is fixed on the first mounting column, and the driving end is connected to the first gearshift lever, the fixing end of the second driving assembly is fixed on the second mounting column, and the driving end is connected to the second gearshift lever.
2. The gearbox system shift drive mechanism according to claim 1, characterized in that: The first driving assembly includes a first permanent magnetic electric cylinder and a first connecting block. The fixed end of the first permanent magnetic electric cylinder is fixed on the first mounting column, and the driving end is connected to the first shift rod through the first connecting block.
3. The gearbox system shift drive mechanism according to claim 2, characterized in that: The second driving assembly includes a second permanent magnetic electric cylinder and a second connecting block. The fixed end of the second permanent magnetic electric cylinder is fixed on the second mounting column, and the driving end is connected to the second shift rod through the second connecting block.
4. The gearbox system shift drive mechanism according to claim 3, characterized in that: The first permanent magnetic electric cylinder and the second permanent magnetic electric cylinder have the same structure, and the first connecting block and the second connecting block have the same structure and are both arranged in a right-angle structure.
5. The gearbox system shift drive mechanism according to claim 1, characterized in that: The fixing block is covered with a waterproof cover on one side of the mounting block.
