Pitching following rope winding arm lever mechanism, spanning frame and control method
A technology of tilting follow-up and crossing frame, which is applied in the direction of building structure, building material processing, overhead line/cable equipment, etc., which can solve the problems of rising manufacturing cost and labor cost, and achieve the effect of reducing quantity
Pending Publication Date: 2018-11-23
浙江省建设工程机械集团有限公司
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AI Technical Summary
Problems solved by technology
The up and down lifting trolley and the boom pitching of the boom pitch span frame currently used in the market are respectively realized through a set of mechanisms, which requires multiple people to operate multiple mechanisms to complete the action, making the manufacturing Rising costs and labor costs
Method used
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Embodiment Construction
[0021] like Figure 1-3 As shown, a spanning frame adopting a rope-wound arm mechanism with pitching and pitching is used to control the arm 10 by a pulley block mounted on the arm 10, the mast 2, the fixed frame 30 and the lifting trolley 40. It is composed of wire rope 5, frame body, arm bar, electric hoist and the like for the action of diving.
[0022] The arm lever 10 is hinged to the lifting trolley 40 through a pin shaft, and can rotate at the hinge. Steel wire rope 5 is finally fixed on the frame body through pulley 2 on the mast, arm bar pulley 1, frame body pulley 3,6, hoisting trolley pulley block 4,7, and ends at both ends.
[0023] The pitching speed and final pitching angle of the arm bar 10 can be adjusted by adjusting the wire rope magnification between the frame body pulley 3 and the hoisting trolley pulley block 4, the wire rope magnification between the frame body pulley 6 and the hoisting trolley pulley block 7, or the mast pulley block 2 and the boom. Th...
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The invention relates to the technical field of electric power construction machines, in particular to a pitching following rope winding arm lever mechanism, a spanning frame and a control method. Thepitching following rope winding arm lever mechanism comprises a stand column and a base, the stand column is fixedly connected to the base in the axial direction, and the pitching following rope winding arm lever mechanism further comprises a fixing frame, an arm lever, a pulley mechanism and a lifting trolley, wherein the fixing frame is located above the lifting trolley and fixedly connected with the stand column, the two ends of the pulley mechanism are fixedly connected to the fixing frame, the front end of the arm lever is pivoted to the lifting trolley, the lifting trolley is in drive connection with the rear end of the arm lever through the pulley mechanism, and the lifting trolley moves up and down in the axial direction on the stand column to drive the pulley mechanism so that the arm lever can move circumferentially through pitching. According to the pitching following rope winding arm lever mechanism, the lifting trolley moves up and down in the axial direction on the standcolumn, in this way, the arm lever can make pitching actions following the lifting trolley, the number of mechanisms and operators is decreased, and costs are lowered.
Description
technical field [0001] The invention relates to the technical field of electric construction machinery, in particular to a pitch-following rope-winding arm mechanism, a spanning frame, and a control method. Background technique [0002] With the development of the electric power industry, more and more high-voltage and ultra-high-voltage power lines are being erected, and in the process of line erection, more and more situations occur across railways, expressways, and original high-voltage lines. For the safety of the object to be crossed, protective facilities are required when the line is erected across the above-mentioned object to be crossed. This facility is called a spanning frame. There are bamboo sheet type, scaffolding type, slewing tower type, boom telescopic type, boom pitching type and other forms for the spanning frame. [0003] The arm pitch-type spanning frame is divided into two actions, one is the up and down movement of the lifting trolley, and the other i...
Claims
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IPC IPC(8): E04G21/30H02G1/04
CPCH02G1/04E04G21/30
Inventor 王汉炜金鹤翔贾宇徐景鲁
Owner 浙江省建设工程机械集团有限公司