Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

Why is a universal joint transmission device used in the automotive drivetrain?

2 Answers

DelLogan

07/23/25 9:11pm

Reasons for using a universal joint transmission device in the automotive drivetrain: Since the transmission is generally rigidly mounted on the frame together with the clutch and engine, while the drive axle is connected to the frame through elastic suspension, during vehicle operation, not only does the angle between the transmission output shaft and the final drive input shaft change, but the distance between these two shafts also varies. Therefore, a universal joint transmission device must be installed between the transmission and the final drive. The following is an introduction to the universal joint transmission device: 1. Definition of the universal joint transmission device: A universal joint transmission device is a mechanism used to transmit power between two shafts whose relative positions constantly change during operation. 2. Function of the universal joint transmission device: It connects the transmission output shaft and the final drive input shaft that are not aligned in a straight line, ensuring reliable power transmission even when the angle and distance between the two shafts frequently change. 3. Components of the universal joint transmission device: It mainly consists of universal joints, drive shafts, and intermediate supports.

Was this review help?

4

5

Share

DeVivian

08/10/25 7:04pm

Having driven for decades, my experience tells me that the universal joint is indispensable in automobiles. Think about it—roads always have bumps, undulations, or sharp turns, causing the suspension system to move up and down, which constantly changes the angle between the rear axle and the engine. If the driveshaft were rigidly connected, every angle change would accumulate stress, eventually leading to bending or even breaking, interrupting power transmission and leaving the car stranded on the road. The universal joint acts like a flexible joint, allowing the shaft to rotate while compensating for any angular deviations, ensuring smooth torque delivery to the wheels. This prevents annoying vibrations and noise, making driving smoother and more comfortable. I also recall from my earlier years of car repairs that worn universal joints would cause jerky acceleration, increasing fuel consumption and maintenance costs. Modern SUVs or pickup trucks, even when off-roading or climbing hills, rely on it to handle suspension movements, enabling the vehicle to adapt to various terrains. Regular maintenance and lubrication can extend its lifespan. Essentially, it’s a clever design in automotive engineering that enhances reliability and safety. Whether commuting or embarking on long trips, it reduces the risk of unexpected breakdowns, giving a strong sense of reassurance.

Was this review help?

17

1

Share

Expand All

More Forum Discussions

What is the fuel consumption during the break-in period of a new car?

During the break-in period, a new car consumes one to two units more fuel than after the break-in. If the fuel consumption does not decrease after the break-in period but instead becomes higher than during the break-in, it is necessary to promptly check the car's fuel injectors or throttle body. Below are some driving tips related to the break-in period: 1. Avoid high-speed driving: When driving a new car, it is important to control the speed. Excessive speed can cause significant wear and tear on the car, so it is necessary to regulate the engine speed between 2,000 to 4,000 RPM. This helps provide better protection while driving. 2. Avoid overloading the car: An overloaded car requires more power to drive, which can cause varying degrees of damage to various components. 3. Avoid sudden braking: While driving, try to avoid sudden braking. Braking in advance ensures smoother stops, reduces impact, and enhances passenger comfort.

What Causes Yellowing on the Surface of Car Headlights?

Car headlight surfaces turn yellow due to prolonged exposure to air, high temperatures, UV radiation, and oxidation, which cause the headlight covers to age, resulting in yellowing and cracking. Here are some maintenance tips for car headlights: 1. Replacement: Ensure that car headlights maintain good sealing, especially to prevent contamination or damage to the reflector coating. When replacing bulbs or diffuser glass, avoid touching the lens with your fingers to prevent leaving sweat or oil marks, which can dull the reflector and reduce its efficiency. 2. Regular Inspection: Periodically check and adjust the headlight beams to ensure the illumination distance meets requirements and that the high and low beams are aligned correctly. The diffuser glass should be installed properly as per specifications to prevent loosening or misalignment and to maintain the vertical orientation of the prisms.

Where are Kia engines manufactured?

Kia engines are produced by Shandong Rizhao WeiYa Automotive Engine Manufacturing Co., Ltd., which is a South Korean-funded enterprise. Different Kia models come with distinct engines. For instance, the G4NJ engine model delivers a maximum horsepower of 161 HP, with a peak power output of 118 kW at 6500 rpm and a maximum torque of 193 N·m. The G4NN engine model, on the other hand, offers a higher maximum horsepower of 233 HP, generating a peak power of 171.4 kW at 4800 rpm and a maximum torque of 353 N·m. To maintain Kia engines effectively, consider the following daily maintenance practices: Use lubricating oil of the appropriate quality grade. For gasoline engines, select SD--SF grade gasoline engine oil based on the additional equipment in the intake and exhaust systems and usage conditions. For diesel engines, choose CB_CD grade diesel engine oil according to mechanical load, ensuring the selected standard meets or exceeds the manufacturer's specified requirements. Regularly change the engine oil and filter. Over time, the quality of any lubricating oil will degrade. After a certain mileage, its performance deteriorates, potentially causing various engine issues. To prevent malfunctions, replace the oil periodically based on usage conditions and maintain an appropriate oil level. As oil passes through the fine pores of the filter, it traps solid particles and viscous substances. If the filter becomes clogged and oil cannot flow through, it may rupture the filter element or activate the safety valve, allowing unfiltered oil to bypass and carry contaminants back to the lubrication areas, accelerating engine wear and increasing internal pollution. Periodically clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls. These mix with metal particles from component wear, forming sludge. In small amounts, sludge remains suspended in the oil; in larger quantities, it precipitates, clogging filters and oil passages, hindering engine lubrication and causing wear. Regularly use radiator cleaner to flush the radiator. Removing rust and scale deposits not only ensures the engine operates smoothly but also extends the overall lifespan of both the radiator and the engine.

Why is the BMW M3 so expensive?

The BMW M3 is a high-performance sports model under BMW's MotoSport brand, equipped with a V8 twin-turbocharged engine, and features an all-aluminum construction for both the engine and body, which contributes to its relatively high price. Below are detailed specifications about the BMW M3: 1. Powertrain: The M3 is powered by a 3.0-liter inline-six twin-turbocharged engine. This engine delivers 431 horsepower and a maximum torque of 550 Nm, with peak power achieved between 5,500 and 7,300 rpm and maximum torque available from 1,850 to 5,500 rpm. It incorporates direct fuel injection technology and uses an aluminum alloy cylinder head and block. The engine is paired with a 7-speed dual-clutch transmission, which offers rapid gear shifts and high transmission efficiency. 2. Suspension: The BMW M3 features a double-joint independent front suspension and a multi-link independent rear suspension. The double-joint suspension not only enhances the car's handling but also improves steering precision. The multi-link suspension increases wheel grip, which in turn significantly boosts the vehicle's handling capabilities. The BMW M3 is exclusively rear-wheel drive, with no all-wheel-drive variant available in the lineup.

Can Car Keys Be Duplicated?

Car keys can be duplicated. Below is relevant information about duplicating car keys: 1. Methods for duplicating car keys: A 4S store can query the anti-theft code for configuring the key from the database based on the vehicle registration certificate and the owner's ID provided by the car owner. After obtaining this code, the 4S store requires the owner to provide the key tooth shape number to configure a new metal key. 2. Function of the old key: After the car key is successfully matched, the new key can be activated, and the lost key will immediately become invalid. Even if someone finds the old key, they can only open the car door mechanically but cannot start the owner's vehicle. Therefore, the security level of this 'code' becomes a major factor determining the price.

When visibility is less than 100 meters, what should the speed and distance between vehicles be maintained at?

When visibility is less than 100 meters, the speed should not exceed 40 kilometers per hour, and the distance between vehicles should be maintained at more than 50 meters. Below is more relevant information: 1. Precautions for driving on highways: (1) Enter the driving lane correctly. When a vehicle enters the highway from the ramp entrance, it must increase speed in the acceleration lane and turn on the left turn signal. When it does not affect the normal driving of vehicles in the driving lane, it can enter the driving lane from the acceleration lane and then turn off the turn signal. (2) Maintain a safe distance. When vehicles are driving at high speed, the following vehicle in the same lane must maintain a sufficient safe distance from the vehicle in front. (3) Overtake with caution. When overtaking is necessary, first observe the state of the vehicles in front and behind, and turn on the left turn signal at the same time. 2. Relevant regulations: When visibility is less than 200 meters, turn on the fog lights, low beam lights, clearance lights, and front and rear position lights. The speed should not exceed 60 kilometers per hour, and the distance from the vehicle in front in the same lane should be more than 100 meters. When visibility is less than 50 meters, turn on the fog lights, low beam lights, clearance lights, front and rear position lights, and hazard warning flashers. The speed should not exceed 20 kilometers per hour, and the vehicle should exit the highway from the nearest exit as soon as possible.

Trending Ranking

What Causes a Car Tire to Lose Air?

What does bar mean in a car?

Can I Charge a New Energy Vehicle at Home?

Which gear should be used when driving a motor vehicle uphill?

Which is Higher-End, Brabus or Maybach?

What does Corolla D-4T mean

How to Identify if a Tire is Mounted Backwards?

Do rear passengers in sedans need to fasten seat belts on highways?

What is the percentage of vehicle purchase tax?

Why was the BAIC Senova D50 discontinued?

More Forum Discussions

What are the reasons for the engine oil warning light to come on?

Do small cars need to go through the inspection line after six years?

Can Car Keys Be Duplicated?

Differences Between Hardtop Convertibles and Soft Top Convertibles

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.