But height continuous variation's bracing piece system
The utility model provides a but height continuous variation's bracing piece system has solved among the prior art support and has been difficult to satisfy the not problem of co -altitude operating mode. The utility model discloses a two poles systems that set up from top to bottom, two poles...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
11.07.2017
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model provides a but height continuous variation's bracing piece system has solved among the prior art support and has been difficult to satisfy the not problem of co -altitude operating mode. The utility model discloses a two poles systems that set up from top to bottom, two poles systems connect through the bracing piece between first steel sheet and the second steel sheet including first steel sheet and second steel sheet with lower beam system, pole system for upper boom system, and it has bracing piece groove and screw rod hole to open on the second steel sheet, and upper boom system is that horizontal symmetry sets up and the second steel sheet is located upper boom system and the lower beam is middle with the lower beam, and the upper boom is and the lower beam passes through screw rod, nut, screw rod jogged joint, bracing piece and bracing piece slot combination between being. The utility model discloses beneficial effect below having: but the height continuously adjustable of bracing piec |
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Bibliography: | Application Number: CN201621329418U |