Friction type car washing device jet flow detection experimental instrument

Abstract

The invention discloses a friction type car washing device jet flow detection experimental instrument comprising a friction type transmission device and a regulating type pedestal. A groove is formedin the middle part of the regulating type pedestal; a vertical adjusting frame is installed in the groove; a one-way rotating roller I is installed at the vertical adjusting frame; a slippage slot isformed in the vertical adjusting frame; a slippage block is installed in the slippage slot; and a one-way rotating roller II is installed at the slippage block. A wheel base adjusting screw rod is installed at the right end of the slippage block and is also installed at the right end of the vertical adjusting frame. According to the invention, on the basis of the dual-regulation mode, to-be-cleaned car tires with different sizes and the one-way rotating roller keep transmission stability by means of friction; and under the own gravity effect, the to-be-cleaned car tires and the one-way rotating roller keep the certain positive pressure, so that the friction forces between the one-way rotating roller and the to-be-cleaned car tires are guaranteed effectively.

Description

Technical field [0001] The invention relates to the technical field of abrasive water jet mechanical equipment design, in particular to an experimental instrument for detecting jet flow of a friction type car washing device. Background technique [0002] Water jets are high-speed water jets of different shapes formed by the nozzles. The flow rate of the jets depends on the pressure drop before and after the nozzle exit section. Water jet is the simplest form of energy conversion and application. Generally, the power-driven pump completes a suction and discharge process of water, and pumps a certain amount of water to the high-pressure pipeline to reach the nozzle with a certain amount of energy. The nozzle diameter is required to be much smaller than the diameter of the high-pressure pipeline, so this certain amount of water reaching the nozzle must be accelerated to flow out of the nozzle hole. In this way, the water accelerating through the nozzle hole forms a jet. Abrasive ...

AI Technical Summary

Problems solved by technology

[0003] However, the existing friction-type car washing device testing jet flow experimental instrument can neither ensure that the horizontal adjustment of the car wheels to be cleaned is in contact with the one-way rotating drum due to different sizes, nor can it ensure that the car tires to be cleaned are in contact with the one-way rotating drum. The rotating drum maintains the stability of the transmission through friction. Some friction-type car washing devices can not adjust the position of the vertical adjustment frame, and it is difficult to maintain a certain positive pressure between the one-way rotating drum and the car tires to be cleaned. Guarantee the friction between the one-way rotating drum and the car tire to be cleaned. Some friction-type car washing devices can not guarantee the synchronous adjustment of the position of the one-way rotating drum to detect the jet flow. Ensure that the car tires to be cleaned are always in contact with the one-way rotating drum. Some friction-type car washing devices can not guarantee the common tangent line between the car tires to be cleaned and the one-way rotating drum and the relationship between the car tires to be cleaned and the one-way rotating drum. The common tangent line between the rollers B is symmetrical, it is difficult to ensure that the contact line or contact surface between the car tires to be cleaned and the one-way rotating roller A and the one-way rotating roller B is the same and parallel to each other, and it is impossible to effectively ensure that the car tires to be cleaned and the one-way rotating The contact effect between the drum A and the one-way rotating drum B, and the friction-type car washing device to detect the jet flow experimental instrument can not judge the car tires to be cleaned according to the energy transfer mode and the stability of the pressure of the water output by the pump. The stability of the energy transmitted between the rotating drums cannot meet the needs of the actual situation

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