A tower crane self-locking linkage platform
A linkage platform, self-locking technology, applied in the direction of load hanging components, transportation and packaging, etc., can solve the problems of difficult maintenance and complex structure.
Inactive Publication Date: 2017-02-01
SHANDONG YINGCAI UNIV
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Problems solved by technology
[0004] In view of the problems of misoperation in the control process of the tower crane and the use of gears for gear control, the structure is complex and difficult to overhaul, etc., the present invention provides a tower crane self-locking linkage platform, which can avoid the occurrence of the above problems
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[0028] Such as Figure 1 to Figure 5 As shown, the tower crane self-locking linkage platform includes a handle 1, a box body 2, an angular displacement sensor 3, a reset mechanism 4, a cam group 5, a first transmission shaft 6, a second transmission shaft 7, a self-locking mechanism 8 and a controlled device9.
[0029] Such as Figure 7 with Figure 8 As shown, the handle 1 includes a handle head 101 and a handle rod 102, the handle rod 102 is a hollow rod, and the inner rod 804 of the self-locking mechanism 8 is installed inside, and the self-locking mechanism 8 includes a fixing seat 801, The large bracket 802, the small bracket 803 and the inner rod 804, the small bracket 803 is fixed on the middle and lower part of the handle rod, a certain distance from the bottom of the inner rod 804, and the large bracket 802 is installed on the second transmission shaft 7 is fixed on the second transmission shaft 7, the small bracket 803 is installed above the big bracket 802, and t...
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The invention provides a tower crane self-locking linkage table and relates to the field of tower crane control devices. The tower crane self-locking linkage table comprises a self-locking mechanism and a cam set. The self-locking mechanism comprises a fixing base, a large support sleeve, a small support sleeve and an inner rod. The inner rod is installed in a handle rod. The small support sleeve is fixed to the lower middle portion of the handle rod, the large support sleeve is fixed to a second transmission shaft through a vertical secondary shaft, and the small support sleeve is installed above the large support sleeve. The fixing base is installed on a lower bottom plate and vertically placed under the inner rod of the self-locking mechanism. The fixing base is provided with a self-locking hole. The cam set comprises a first cam and a second cam, the lower side of the first cam is provided with a concave point, the concave point on the lower side of the first cam is in face contact with a first wheel, the lower side of the second cam is provided with a convex point, and the convex point on the lower side of the second cam is in linear contact with a second wheel. By means of the linkage table, the problem of misoperation occurring in the control process of a tower crane and the problems that a gear is complex in structure and not easy to overhaul when being used for gear control are solved, and self-locking of the linkage table is achieved.
Description
technical field [0001] The invention relates to the field of tower crane control devices, in particular to a tower crane self-locking linkage platform. Background technique [0002] The main function of the linkage table is to control the hoisting mechanism, slewing mechanism and trolley traction mechanism of the tower crane by controlling the starting, braking, speed regulation and reversing of the motor, so as to meet the requirements of driving the tower crane to rotate clockwise, counterclockwise, and the front and rear of the crane. Walking up and down, speed adjustment requirements. The structure of the original tower crane linkage platform is relatively complicated and the size is large. The point control relies on gear transmission to realize the control of different gears. When a problem occurs, the maintenance is more complicated, and when the linkage platform accidentally touches, It is prone to danger and cannot realize the self-locking function. [0003] Chine...
Claims
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IPC IPC(8): B66C13/18B66C13/54
Inventor 来小丽
Owner SHANDONG YINGCAI UNIV