The invention discloses an automatic telescopic car roof guardrail. The automatic telescopic car roof guardrail comprises fixed guardrails (1) located on the three sides of a car roof and a movable guardrail (2) located above the fixed guardrails (1); an electric push rod (3) is further fixedly installed on the car roof; the fixed section of the electric push rod (3) is connected with the fixed guardrails (1); a movable rod of the electric push rod (3) is connected with the movable guardrail (2); a first safety switch (41) and a second safety switch (42) are arranged on each fixed guardrail (1); a switch striking plate (43) and a striking bow (44) are arranged on the movable guardrail (2); when the movable guardrail (2) reaches the lowest position, the switch striking plate (43) triggers the first safety switches (41); and when the movable guardrail (2) reaches the highest position, the striking bow (44) is disengaged from the second safety switches (42). The automatic telescopic car roof guardrail has the beneficial effects of being simple in structure, capable of automatically controlling operation, safe and reliable.
本发明公开了自动伸缩式轿顶护栏,包括位于轿顶三侧的固定护栏(1)以及位于固定护栏(1)上方的活动护栏(2),轿顶上还固定安装有电动推杆(3),电动推杆(3)的固定段与固定护栏(1)连接,电动推杆(3)的活动杆与活动护栏(2)连接;固定护栏(1)上设有第一安全开关(41)和第二安全开关(42),活动护栏(2)上设有开关打板(43)和撞弓(44),当活动护栏(2)达到最低位置时,开关打板(43)触发第一安全开关(41),当活动护栏(2)达到最高位置时,撞弓(44)与第二安全开关(42)脱离。本发明具有结构简单、自动控制运行、安全可靠的特点。
Automatic telescopic car roof guardrail
自动伸缩式轿顶护栏
2021-09-21
Patent
Elektronische Ressource
Chinesisch
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