CN-122008847-A - Rear suspension bracket of automobile gearbox

Abstract

The application belongs to the technical field of vehicle gearboxes, and particularly relates to a rear suspension bracket of an automobile gearbox. The rear suspension bracket of the automobile gearbox is used for installing the gearbox and comprises a support plate, a shock absorption cushion block, a heat conduction disc and a heat dissipation assembly, wherein the support plate is used for suspending the gearbox, the shock absorption cushion block is connected between the support plate and the gearbox, the heat conduction disc is arranged on the side face of the gearbox, and the heat dissipation assembly comprises a first heat conduction plate which is rotationally connected with the outer wall of the heat conduction disc. The first heat-conducting plate can move relative to air, so that heat dissipation is accelerated, the heat dissipation effect is improved, the problem of overhigh temperature of the automobile gearbox caused by long-time work is effectively avoided, stable operation of the gearbox under a high-load working condition is ensured, and the service life and reliability of the gearbox are improved.

Inventors

• Wei Qinzhou
• QIN BO

Assignees

• 湖北洲辉汽车科技股份有限公司

Dates

Publication Date

20260512

Application Date

20260305

Claims (10)

1. 1. A rear suspension bracket for an automotive transmission for mounting the transmission, the bracket comprising: the support plate is used for suspending the gearbox; the damping cushion block is connected between the support plate and the gearbox; a heat conduction plate mounted on the side surface of the gearbox; The heat dissipation assembly comprises a first heat conduction plate, and the first heat conduction plate is rotationally connected with the outer wall of the heat conduction plate.
2. 2. The automotive transmission rear suspension mount of claim 1, wherein the heat dissipating assembly further comprises: the second heat conducting plate is connected with the outer side face of the first heat conducting plate in a sliding mode, and the second heat conducting plate is elastically connected with the first heat conducting plate; And the third heat conducting plate is connected with the outer side face of the second heat conducting plate in a sliding manner, and is elastically connected with the second heat conducting plate.
3. 3. The rear suspension bracket of claim 2, wherein the heat dissipating members are arranged in a plurality of rows at intervals along the set direction.
4. 4. A rear suspension bracket for an automotive transmission as described in claim 3, wherein said heat dissipating assembly further comprises: An elastic strip is connected between the first heat conducting plates and the heat conducting plates which are positioned at two sides; the connecting ropes sequentially penetrate through and connect the plurality of first heat-conducting plates.
5. 5. The rear suspension bracket of an automotive transmission of any one of claims 1-4, further comprising: The flexible connecting components are arranged around the periphery of the gearbox at intervals and comprise telescopic rods, the telescopic rods are provided with first ends and second ends which can stretch relatively, the first ends of the telescopic rods are rotationally connected with the bottoms of the support plates, and the second ends of the telescopic rods are rotationally connected with the periphery of the gearbox.
6. 6. The rear suspension bracket of an automotive transmission of claim 5, further comprising a gas line, wherein: At least one the global air inlet and the gas outlet of being provided with of telescopic link, the outer wall of heat conduction dish is provided with the jet, the jet with the inside intercommunication of heat conduction dish, the one end of gas-supply pipe with the gas outlet intercommunication, the other end of gas-supply pipe is connected the heat conduction dish, and through the heat conduction is inside with the jet intercommunication.
7. 7. The rear suspension bracket of an automotive transmission of claim 6, wherein a one-way intake valve is disposed within the intake port.
8. 8. The rear suspension bracket of an automotive transmission of claim 6, wherein a plurality of air jets are provided, and more than one air jet is provided between two adjacent heat dissipating components.
9. 9. The automotive transmission rear suspension mount of claim 5, wherein the flexible connection assembly further comprises: the telescopic rod is sleeved with the resetting piece, one end of the resetting piece is connected with the first end of the telescopic rod, and the other end of the resetting piece is connected with the second end of the telescopic rod.
10. 10. The rear suspension bracket of an automotive transmission of claim 5, wherein the flexible connection unit further comprises a connection rod and a connection disc, one end of the connection rod is rotatably connected to the second end of the telescopic rod, the other end of the connection rod is connected to the connection disc, and the connection disc is connected to a peripheral side of the transmission.

Description

Rear suspension bracket of automobile gearbox Technical Field The application belongs to the technical field of manufacturing of new energy automobiles, and particularly relates to a rear suspension bracket of an automobile gearbox. Background With the rapid development of new energy automobile technology, an electric drive system is gradually upgraded to a high rotating speed, high power density and integration direction, and a gearbox is used as a core component for power transmission, and the working temperature of the gearbox directly influences the reliability and service life of gears, bearings, clutches and sealing elements. Under the working conditions of continuous high load, frequent start and stop and high-speed running, the internal gear engagement and bearing friction of the gearbox and the heat generated after integration with a driving motor and an electric control system are obviously increased, and the problems of overhigh oil temperature, concentrated local hot spots, reduced lubricating performance and the like are easily caused, so that the abrasion of parts is increased, the transmission efficiency is reduced, even thermal failure is caused, and the reliability and the overall service life of the gearbox are influenced. In the related art, the heat dissipation mode of the automobile gearbox of the new energy mainly comprises oil cooling, water cooling or air cooling, and the shell is adopted for naturally dissipating heat or a simple heat-conducting disc is additionally arranged for cooling, so that the heat dissipation effect is limited, and the service life and the reliability of the gearbox are reduced. Disclosure of Invention Based on the technical problems, the application provides a rear suspension bracket of an automobile gearbox, which aims to solve the technical problems of service life and reliability of a reducer caused by limited radiating effect of the gearbox to a certain extent. The application is realized by the following technical scheme: A rear suspension bracket of an automobile gearbox is used for installing the gearbox and comprises a support plate, a damping cushion block, a heat conducting disc and a heat radiating assembly, wherein the support plate is used for suspending the gearbox, the damping cushion block is connected between the support plate and the gearbox, the heat conducting disc is installed on the side face of the gearbox, and the heat radiating assembly comprises a first heat conducting plate which is rotatably connected with the outer wall of the heat conducting disc. In some embodiments, the heat dissipating assembly further comprises a second heat conducting plate slidably connected to an outer side of the first heat conducting plate, the second heat conducting plate being elastically connected to the first heat conducting plate, a third heat conducting plate slidably connected to an outer side of the second heat conducting plate, and the third heat conducting plate being elastically connected to the second heat conducting plate. In some embodiments, the heat dissipation assembly is provided with a plurality of columns spaced apart along a set direction. In some embodiments, the heat dissipation assembly further comprises elastic strips connected between the first heat conduction plates and the heat conduction plates at two sides, and a connecting rope sequentially penetrating through and connecting the plurality of first heat conduction plates. In some embodiments, the support further comprises a plurality of flexible connection units disposed in spaced relation around the perimeter of the gearbox, the flexible connection units comprising a telescoping rod having a first end and a second end that are relatively telescoping, the first end of the telescoping rod being rotatably coupled to the bottom of the support plate, the second end of the telescoping rod being rotatably coupled to the perimeter of the gearbox. In some embodiments, the support further comprises a gas pipe, wherein the peripheral surface of at least one telescopic rod is provided with a gas inlet and a gas outlet, the outer wall of the heat conducting disc is provided with a gas jet, the gas jet is communicated with the inside of the heat conducting disc, one end of the gas pipe is communicated with the gas outlet, and the other end of the gas pipe is connected with the heat conducting disc and is communicated with the gas jet through the inside of the heat conducting disc. In some embodiments, a one-way intake valve is disposed within the intake port. In some embodiments, a plurality of gas nozzles are provided, and more than one gas nozzle is provided between two adjacent heat dissipation components. In some embodiments, the flexible connection assembly further comprises a reset piece and the telescopic rods are arranged in one-to-one correspondence, the telescopic rods are sleeved on the reset piece, one end of the reset piece is connected with the first ends of the telescopic