Neutral gear returning device for transmission of commercial vehicle

Abstract

The utility model relates to a neutral gear returning device of a commercial vehicle transmission. The neutral gear returning device comprises a power supply device and an air supply device. The power supply device comprises a power supply and a power supply harness; the other end of the power supply wire harness is connected with a power interface of the transmission; the air supply device comprises an air source and an air supply pipe; the other end of the air supply pipe is connected with an air source interface of the transmission; the power assembly split charging device is applied to power assembly split charging, and is simple to manufacture, wide in application, safe, convenient, high in operability and high in generalization performance.

Description

Technical Field

[0001] This utility model relates to the field of automotive technology, and in particular to a device for returning a commercial vehicle transmission to neutral. Background Technology

[0002] As a crucial component of heavy-duty vehicles, the transmission assembly, along with the engine and clutch, needs to be pre-assembled on the powertrain assembly line. Since some transmissions are supplied with non-neutral gears, posing a safety hazard after the vehicle is started off the line, the transmissions need to be returned to neutral during the powertrain assembly process. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a device for returning a commercial vehicle transmission to neutral.

[0004] This utility model is achieved using the following technical solution:

[0005] A device for returning a commercial vehicle transmission to neutral includes a power supply device and a gas supply device;

[0006] The power supply device includes a power source and a power supply harness; one end of the power supply harness is connected to the power source, and the other end is connected to the power interface of the transmission.

[0007] The air supply device includes an air source and an air supply pipe; one end of the air supply pipe is connected to the air source, and the other end is connected to the air source interface of the transmission.

[0008] Furthermore, a circuit control switch is provided on the power supply harness.

[0009] Furthermore, the power supply harness is equipped with a fuse.

[0010] Furthermore, the air supply pipe is a spiral pipe.

[0011] Furthermore, an air circuit control switch is installed on the air supply pipe.

[0012] Compared with the prior art, the present invention has the following beneficial technical effects:

[0013] This utility model is applied to powertrain assembly, and is simple to manufacture, has a wide range of applications, is safe and convenient, and is highly operable and widely applicable. Attached Figure Description

[0014] The utility model will be further described below with reference to the accompanying drawings:

[0015] Figure 1 This is a circuit diagram of the power supply device of this utility model;

[0016] Figure 2This is a schematic diagram of the gas supply device of this utility model.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Power supply; 2. Gearbox; 3. Circuit control switch; 4. Fuse; 5. Air source; 6. Air circuit control switch. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise explicitly specified and limited, the embodiments and features described in the embodiments of this application can be combined with each other. In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] like Figure 1-2 As shown: A device for returning a commercial vehicle transmission to neutral includes a power supply device and an air supply device;

[0021] The power supply device includes a power supply 1 and a power supply harness; one end of the power supply harness is connected to the power supply 1 and the other end is connected to the power interface of the transmission 2; preferably, the power supply 1 adopts a 24V DC power supply, which can be converted from 220V / 380V AC power to 24V DC voltage used by the transmission 2 by a transformer, or a 24V portable rechargeable power supply can be selected.

[0022] The air supply device includes an air source 5 and an air supply pipe; one end of the air supply pipe is connected to the air source 5, and the other end is connected to the air source interface of the transmission 2.

[0023] A circuit control switch 3 is installed on the power supply harness. Furthermore, a fuse 4 is installed on the power supply harness. The fuse 4 provides circuit protection.

[0024] The air supply pipe is a spiral pipe. Furthermore, an air circuit control switch 6 is installed on the air supply pipe.

[0025] Working principle: Connect the power supply harness to the transmission 2 and close the circuit control switch 3; connect the air supply pipe to the transmission 2 and close the air circuit control switch 6; when the transmission and clutch make a metallic knocking sound and the gear returns to neutral, disconnect the power supply harness and the air supply pipe.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for returning a commercial vehicle transmission to neutral, characterized in that, Includes power supply equipment and gas supply equipment; The power supply device includes a power source and a power supply harness; one end of the power supply harness is connected to the power source, and the other end is connected to the power interface of the transmission. The air supply device includes an air source and an air supply pipe; one end of the air supply pipe is connected to the air source, and the other end is connected to the air source interface of the transmission.

2. The commercial vehicle transmission neutral gear return device as described in claim 1, characterized in that, The power supply harness is equipped with a circuit control switch.

3. The commercial vehicle transmission neutral gear return device as described in claim 1, characterized in that, The power supply harness is equipped with a fuse.

4. The commercial vehicle transmission neutral gear return device as described in claim 1, characterized in that, The gas supply pipe is a spiral pipe.

5. The commercial vehicle transmission neutral gear return device as described in claim 4, characterized in that, The gas supply pipe is equipped with a gas circuit control switch.

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