A device that uses a pressure sensor to digitally measure the pulling force of a piston ring
A technology for pressure sensors and piston rings, applied in force/torque/power measuring instruments, measuring devices, instruments, etc., can solve the problems of complex structure, unfavorable operation, and equipment cost, and achieve low equipment cost, simple structure, and convenient operation Effect
Active Publication Date: 2016-03-09
福建华威钜全精工科技有限公司
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Problems solved by technology
Although the device can measure the tension of the piston ring when it shrinks, its structure is complex, unfavorable for operation and expensive for equipment
Method used
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Embodiment Construction
[0014] Such as figure 2 or image 3 As shown, a device of the present invention that uses a pressure sensor to digitally measure the pulling force of a piston ring includes a machine base 1, a manual tensioning mechanism 2, a piston ring fixing mechanism 3, a steel belt 4, a pressure sensor 5 and a pressure sensor 5 connected to each other. The digital display instrument 6 and the pressure sensor 5 are fixedly arranged on one end of the machine base 1, and the manual tensioning mechanism 2 is fixedly arranged on the other end of the machine base 1. The manual tensioning mechanism 2 is provided with a sliding seat 2a, and the machine base 1 There are two bearings 1a, 1b, the distance between the two bearings 1a, 1b is smaller than the inner diameter of the measured piston ring 7, one end of the steel belt 4 is fixedly connected with the pressure sensor 5, and the other end is connected by the first bearing on the base 1 1a enters from one side, twists and turns into a ring sh...
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The invention discloses a device utilizing a pressure sensor to display tension of a measured piston ring in a digital mode. The device utilizing the pressure sensor to display the tension of the measured piston ring in the digital mode comprises a machine base, a manual tensioning mechanism, a piston ring fixing mechanism, a steel belt, the pressure sensor, and a digital indicator connected with the pressure sensor. The pressure sensor is fixedly arranged at one end of the machine base, and the manual tensioning mechanism is arranged at the other end of the machine base. The manual tensioning mechanism is provided with a sliding base. The machine base is provided with two bearings, and the distance between the two bearings is smaller than the inner diameter of the measured piston ring. One end of the steel belt is fixedly connected with the pressure sensor, the other end of the steel belt enters from one side of the first bearing on the machine base, and after being bent and wound to be round-ring-shaped, the steel belt penetrates out from the same sides of the second bearing and the first bearing and is fixed on the sliding base of the manual tensioning mechanism. The piston ring fixing mechanism is arranged in the round ring formed by the steel belt. By adopting the structure, the character that the tension of the piston ring is approximately equal to the pull force of the steel belt is utilized, and accurate measurement of the tension of the piston ring is achieved. The device utilizing the pressure sensor to display the tension of the measured piston ring in the digital mode is simple in structure, convenient to operate and low in device cost.
Description
technical field [0001] The invention relates to a device for testing the pulling force of a piston ring, in particular to a device for digitally displaying and measuring the pulling force of a piston ring by using a pressure sensor. Background technique [0002] The piston ring is an important part of the internal combustion engine. The piston ring is fixed on the piston and moves relative to the cylinder block with the movement of the piston to seal the combustion chamber and avoid direct friction between the piston and the cylinder block. When the piston ring is working, it is always in a shrinking state. The quality of the piston ring is an important indicator of the engine quality. The pulling force of the piston ring in the working shrinking state is an important quality parameter of the piston ring. Quickly measure the pulling force of the piston ring in the working contraction state. The Chinese invention patent application with application number 201110187729.0 disc...
Claims
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IPC IPC(8): G01L5/00
Inventor 薛玉田
Owner 福建华威钜全精工科技有限公司