Drawbar trailer mileometer
A technology of odometer and roller, which is applied in the direction of measuring devices, instruments, surveying and navigation, etc. It can solve the problem that the trailer cannot accumulate the mileage data, cannot meet the temperature range of the trailer odometer, and cannot meet the requirements of the service life of the trailer odometer, etc. problem, to achieve the effect of solving the mileage measurement problem
Inactive Publication Date: 2011-04-06
MILITARY TRANSPORTATION RES INST OF PLA GENERAL LOGISTICS DEPT +1
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Problems solved by technology
The internal transmission directions of the two are opposite, and the vehicle-mounted odometers currently on the market cannot meet the requirements of trailer odometers
(4) The general service life of the ordinary vehicle odometer is 100,000km. It cannot meet the requirements of the 200,000km service life of the trailer odometer
(5) Ordinary vehicle odometers range from -20°C to 70°C, which cannot meet the requirements of the trailer odometer operating temperature range of -41°C to +100°C
Due to the above-mentioned technical problems, the trailer cannot be installed with an odometer, resulting in the trailer not being able to accumulatively travel mileage data, affecting regular maintenance and maintenance, resulting in a reduction in the service life of the trailer
Method used
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[0033] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0034] As shown in the figure, an odometer for a trailer includes a roller counter and a transmission mechanism connected thereto. The transmission mechanism is respectively rigidly connected to the roller counter and the installation and positioning mechanism fixed on the trailer wheel through a coupling mechanism. The transmission mechanism includes an integral support, a rotating shaft, a rotating shaft worm, a transmission worm gear, a double-headed worm, and a helical gear. , Helical gears are respectively installed in the preset mounting holes on the inner wall of the bracket, and the meshing area of the gear teeth is formed at the intersection of each mounting hole. One end of the rotating shaft is provided with a rotating shaft groove, and the other end is keyed to the stepped shaft Worm, the r...
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The invention relates to a trailer odometer, comprising a roller counter and a transmission mechanism connected with the roller counter, which is characterized in that the transmission mechanism rigidly and drivingly connected with the roller counter and an installation positioning mechanism fixed on trailer wheels through a coupling mechanism respectively. The odometer has the beneficial effectsof higher counting accuracy, strong shock absorption performance and stable operation. Tests prove that the odometer can normally work when the trailer provided with the trailer odometer drives in various bad environments. The odometer solves the problem of hard mileage counting of the motorless transmission system and provides quantification basis for the maintenance and repairing of the trailer.
Description
technical field [0001] The invention belongs to a metering device, in particular to an odometer for a trailer suitable for being towed by a motor vehicle. Background technique [0002] In order to reflect the mileage traveled by vehicles such as construction machinery and automobiles, an odometer is usually installed in the cab. The mileage data of the vehicle is accumulated through the rotation of the wheels. The power of the engine is transmitted to the gearbox through the crankshaft, and then from the gearbox to the transfer case or the final drive, and then to the wheels; the transmission ratio from the transmission output shaft to the wheels is generally constant. A "flexible shaft" is installed on the output shaft of the gearbox and goes all the way to the odometer on the instrument panel of the cab. The flexible shaft leads to the speedometer so that the pointer can indicate the speed of the car. At the same time, the rotation of the flexible shaft is also transmit...
Claims
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IPC IPC(8): G01C22/00
Inventor 周良生张长林许长兴李志强祝培生
Owner MILITARY TRANSPORTATION RES INST OF PLA GENERAL LOGISTICS DEPT