A shift operating device for a 428 gearbox

Abstract

The utility model relates to vehicle engineering technical field, concretely relates to a kind of gear shifting control device for 428 gearbox.The gear shifting control device in the application is mainly composed of four independent components of soft shaft, rotating shaft, speed change control support and soft shaft support, and the assembly connection relationship of four independent components is relatively simple, so as to improve the assembly efficiency;When any of the four independent components needs to be repaired and replaced, other components are not involved, and it can be directly replaced, so that the repair and replacement cost is reduced, and the repair and replacement efficiency is also ensured;One end of the soft shaft is connected to the speed change control support based on the rotating shaft, and the other end is limited in the clamping groove of the soft shaft support;Based on this structure, by controlling the extension / retraction of the soft shaft itself shaft, the deflection of the speed change control support can be accurately controlled, so that the speed change valve can be efficiently adjusted to ensure quick and accurate gear shifting operation.

Description

Technical Field

[0001] This utility model relates to the field of vehicle engineering technology, and in particular to a shift control device for a 428 gearbox. Background Technology

[0002] In loader operations, the shift control bracket of the 428 gearbox plays a crucial role. However, existing shift control bracket assemblies generally have some shortcomings. On the one hand, the traditional bracket structure design is not reasonable enough, making it difficult to precisely control the deflection angle of the shift control bracket during gear shifting. This results in uneven shifting operations, affecting work efficiency and easily causing shocks to the gearbox due to shifting errors, thus shortening the gearbox's service life. On the other hand, the installation method of existing shift control bracket assemblies is relatively complex, requiring a lot of time and effort for maintenance or replacement, increasing maintenance costs and downtime.

[0003] To solve the aforementioned technical problems, there is an urgent need to propose a shift control device for the 428 gearbox. Utility Model Content

[0004] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a shift control device for a 428 gearbox, which solves the technical problem of "how to improve the assembly and maintenance efficiency of the shift control bracket assembly and reduce maintenance costs while ensuring fast and accurate shift operation" in the operation of the existing 428 gearbox in loader operation.

[0005] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0006] This utility model provides a shift control device for a 428 gearbox. Specifically, the shift control device includes: a flexible shaft, a rotating shaft, a shift control bracket, and a flexible shaft bracket.

[0007] One end of the flexible shaft is connected to the gear shift control bracket based on the rotating shaft, and the other end is confined in the slot of the flexible shaft bracket;

[0008] The gear shift control bracket is used to adjust the gear shift valve to achieve gear switching.

[0009] Optionally, the flexible shaft bracket and the rotating shaft are fixed in a preset position on the 428 gearbox.

[0010] Optionally, the bushing is fitted into the outside of the rotating shaft;

[0011] One end of the flexible shaft is connected to one side of the bushing via a connecting rod, and the gear shift control bracket is fixed to the other side of the bushing.

[0012] Optional, a flexible shaft is used to drive the gear shifting bracket to deflect via a bushing based on the extension / retraction of its own shaft, thereby adjusting the gear shift valve;

[0013] The slot is used to guide the extension / retraction of the flexible shaft.

[0014] The beneficial effects of this application are as follows:

[0015] In this application, the gear shifting control device mainly consists of four independent components: a flexible shaft, a rotating shaft, a gear shifting control bracket, and a flexible shaft bracket. The assembly and connection relationship of the four independent components is relatively simple, thereby improving assembly efficiency. When any of the four independent components needs to be repaired or replaced, it does not involve other components and can be directly replaced. Therefore, while reducing repair and replacement costs, it also ensures repair and replacement efficiency.

[0016] In this application, one end of the flexible shaft is connected to the gear shift control bracket based on a rotating shaft, and the other end is confined in the slot of the flexible shaft bracket. Based on this structure, by controlling the extension / retraction of the flexible shaft itself, the deflection of the gear shift control bracket can be precisely controlled, thereby efficiently adjusting the gear shift valve to ensure fast and accurate gear shifting operation. Attached image description:

[0017] Figure 1 A schematic diagram of a shift control device for a 428 gearbox provided in one embodiment of the present invention;

[0018] Figure 1 The component numbers correspond as follows:

[0019] 1. Flexible shaft bracket; 2. Flexible shaft; 3. Gear shift control bracket; 4. Rotary shaft; 5. Slot; 6. Bushing; 7. Connecting rod. Detailed Implementation

[0020] To better explain and facilitate understanding of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention can be understood more clearly and thoroughly, and that the scope of the present invention can be fully conveyed to those skilled in the art.

[0022] Example 1

[0023] This embodiment proposes a shift control device for a 428 gearbox, specifically, as follows: Figure 1As shown, the gear shifting control device includes: a flexible shaft support 1, a flexible shaft 2, a gear shifting control support 3, and a rotating shaft 4.

[0024] In this embodiment, as Figure 1 As shown, one end of the flexible shaft 2 is connected to the gear shift control bracket 3 based on the rotating shaft 4, and the other end of the flexible shaft 2 is limited in the slot 5 of the flexible shaft bracket 1; wherein, the gear shift control bracket 3 is used to adjust the gear shift valve to realize gear switching.

[0025] It should be noted that the transmission control bracket 3 and the transmission valve can be connected by a conventional structure, and this application does not impose any specific limitations.

[0026] In this embodiment, as Figure 1 As shown, the flexible shaft bracket 1 and the rotating shaft 4 are fixed at the preset positions of the 428 gearbox.

[0027] In this embodiment, as Figure 1 As shown, the bushing 6 is nested on the outside of the rotating shaft 4.

[0028] In this embodiment, as Figure 1 As shown, one end of the flexible shaft 2 is connected to one side of the bushing 6 based on the connecting rod 7, and the speed control bracket 3 is fixed to the other side of the bushing 6.

[0029] In this embodiment, as Figure 1 As shown, the flexible shaft 2, based on the extension / retraction of its own shaft, drives the speed control bracket 3 to deflect through the bushing 6 to adjust the speed control valve; the slot 5 guides the extension / retraction of the flexible shaft 2.

[0030] In this embodiment, an optional method for applying the gear shift control device is as follows:

[0031] Combination Figure 1 Based on the limiting guide of the slot 5, the flexible shaft 2 extends to the left; the extension of the flexible shaft 2 is based on the connecting rod 7, which drives the bushing 6 to rotate counterclockwise around the rotating shaft 4 as the central axis; the counterclockwise rotation of the bushing 6 drives the gear shift control bracket 3 to rotate counterclockwise.

[0032] The counterclockwise rotation of the gear shift control bracket 3 drives the gear shift valve, causing the 428 gearbox to sequentially pass through: reverse 1st gear, neutral, forward 1st gear, and forward 2nd gear.

[0033] Combination Figure 1 Based on the limiting guide of the slot 5, the flexible shaft 2 retracts to the right; the retraction of the flexible shaft 2, based on the connecting rod 7, drives the bushing 6 to rotate clockwise around the rotating shaft 4 as the central axis; the clockwise rotation of the bushing 6 drives the gear shift control bracket 3 to rotate clockwise.

[0034] The clockwise rotation of the gear shift control bracket 3 drives the gear shift valve, causing the 428 gearbox to sequentially pass through: forward 2nd gear, forward 1st gear, neutral, and reverse 1st gear.

[0035] Regarding the shift control device for the 428 gearbox described in the aforementioned embodiment 1, in this application, the shift control device mainly consists of four independent components: a flexible shaft 2, a rotating shaft 4, a gear shift control bracket 3, and a flexible shaft bracket 1. The assembly and connection relationship of the four independent components is relatively simple, thereby improving assembly efficiency. When any of the four independent components needs to be repaired or replaced, it does not involve other components and can be directly replaced. Therefore, while reducing repair and replacement costs, it also ensures repair and replacement efficiency.

[0036] For the shift control device for the 428 gearbox described in the aforementioned embodiment 1, one end of the flexible shaft 2 is connected to the gear shift control bracket 3 based on the rotating shaft 4, and the other end is limited in the slot 5 of the flexible shaft bracket 1; based on this structure, by controlling the extension / retraction of the shaft of the flexible shaft 2 itself, the deflection of the gear shift control bracket 3 can be precisely controlled, thereby efficiently adjusting the gear shift valve to ensure fast and accurate shifting operation.

[0037] It should be noted that any reference numerals placed between parentheses in the claims should not be construed as limiting the claims. The word "comprising" does not exclude the presence of components or steps not listed in the claims. The words "a" or "an" preceding a component do not exclude the presence of a plurality of such components. The use of the terms first, second, third, etc., is for convenience only and does not indicate any order. These terms can be understood as part of the component names.

[0038] Furthermore, it should be noted that in the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0039] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning of the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the claims should be interpreted to include both the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0040] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, then this utility model should also include these modifications and variations.

Claims

1. A shift control device for a 428 gearbox, characterized in that: The gear shifting control device includes: a flexible shaft, a rotating shaft, a gear shifting control bracket, and a flexible shaft bracket; One end of the flexible shaft is connected to the gear shift control bracket based on the rotating shaft, and the other end is confined in the slot of the flexible shaft bracket; The gear shift control bracket is used to adjust the gear shift valve to achieve gear switching.

2. The gear shifting control device according to claim 1, characterized in that: The flexible shaft bracket and the rotating shaft are fixed in the preset position of the 428 gearbox.

3. The gear shifting control device according to claim 1, characterized in that: The bushing is fitted and nested on the outside of the rotating shaft; One end of the flexible shaft is connected to one side of the bushing via a connecting rod, and the gear shift control bracket is fixed to the other side of the bushing.

4. The gear shifting control device according to claim 3, characterized in that: A flexible shaft is used to adjust the transmission valve by extending / retracting its own shaft and driving the transmission control bracket to deflect through a bushing. The slot is used to guide the extension / retraction of the flexible shaft.

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