Water distribution nozzle for test road

Abstract

The invention provides a water distribution nozzle for a test road. The water distribution nozzle comprises a nozzle head assembly, a nozzle base assembly at the bottom and a height adjusting mechanism for connecting the nozzle head assembly and the nozzle base assembly, wherein a valve element of the nozzle head assembly can be provided with corresponding water spraying grooves in the radial direction according to the requirements of the water spraying angle, the water spraying amount and the water spraying form, and a flow regulator is further arranged at the bottom of the nozzle head assembly. According to the water distribution nozzle, the water spraying flow, the water spraying direction and the water spraying angle can be adjusted, various water distribution requirements of a low-adhesion-coefficient test road can be met by replacing the valve element and adjusting the flow adjuster and the height adjusting mechanism, and water spraying and water supplementing are integrated; the water distribution nozzle can be directly buried in the test road without influencing the driving safety; due to the separated design of all components of the water distribution nozzle, installation, maintenance and replacement are very convenient and rapid, and the water distribution nozzle has great popularization value.

Description

technical field [0001] The invention belongs to the field of automobile test devices, and relates to a water distribution device for test drive roads. Background technique [0002] In the process of performance testing such as automobile ABS, etc., it is necessary to prepare test roads that can simulate low adhesion coefficients. Most of the methods used are to distribute water on basalt, ceramic tiles or glass bricks to obtain test roads with different adhesion coefficients. The current water distribution methods are mostly It is flood type, water spray type and combined spray type. [0003] The flood water distribution method takes advantage of the characteristics of the lateral slope of the low-attached road, and sets flood trenches on the higher side to use gravity to naturally fill the road surface. The advantage is that the water film is well formed and does not interfere with the test run. The disadvantages are high requirements for the construction of the junction ...

AI Technical Summary

Problems solved by technology

Its disadvantage is that it needs two sets of water distribution facilities, the water spray pipe and the flood pipe, the piping system is complex, occupies a lot of land, and the one-time investment cost is high; and the water supply mode needs to be switched in real time during the test process, the control system is complicated, and it is not easy to operate. Management and maintenance workload is heavy

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