Mechanical structure bearing lifting platform and using method
A technology of lifting platform and mechanical structure, applied in the direction of lifting frame, lifting device, etc., can solve the problems of unguaranteed transmission accuracy and reliability, complex design structure and high cost, and achieve stable and reliable technical support, low manufacturing cost, and easy operation. Effect
Active Publication Date: 2021-11-05
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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Problems solved by technology
It is not ruled out that electric and hydraulic methods can be used to solve the problem, but the design of this solution is complex and costly, and the transmission accuracy and reliability cannot be guaranteed
Method used
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Embodiment Construction
[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0024] Such as Figure 1 to Figure 9 As shown, a load-bearing lifting platform with a mechanical structure includes a base 1, a limit screw 7, an outer positioning ring 4, an inner positioning ring 5, and a guide seat 6. The lower surface edge of the base 1 is evenly arranged with legs 8 along the circumferential direction. And the legs 8 are screwed to the base 1, the upper surface of the base 1 is processed with an annular groove, the inner positioning ring 5 and the guide seat 6 are located in the annular groove, and the inner positioning ring 5 is located inside the guide seat 6, and the inner positioning ring 5 is located inside the guide seat 6. The inner circular surface of the locating ring 5 and the outer circular surface of the guide seat 6 are all positioned by the groove surface of the annular groove, and the inner locating ring 5 ...
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The invention discloses a mechanical structure bearing lifting platform and a using method. The mechanical structure bearing lifting platform comprises a base, supporting legs are evenly distributed on the edge of the lower surface of the base, an inner positioning ring and a guide seat are located in an annular groove of the base and installed on the base through bolts, and stop pins are installed on the sides, close to the inner circle face, of the bottoms of flat grooves evenly distributed in the guide seat in the circumferential direction. Wedge-shaped blocks are arranged in the multiple f lat grooves of the guide seat respectively, spring mounting holes are drilled in the side walls, right opposite to the stop pins, of the wedge-shaped blocks, springs are mounted between the spring mounting holes and the stop pins, the outer circular face of a boss of the guide seat is in sliding clearance fit with the inner circular face of the outer positioning ring, and inclined grooves formed in the lower end face of the outer positioning ring are matched with inclined faces of the wedge-shaped blocks. A transmission ring is arranged on the outer circle face of the top of the base in a sleeving mode, a limiting screw penetrates through a kidney-shaped through hole of the transmission ring to be in threaded connection with the base, the transmission ring can rotate along the base under the arrangement of the kidney-shaped through hole, and the inner molded surface of the transmission ring is tangent to the arc face of the tails of the wedge-shaped blocks. The lifting platform is light and convenient to operate, stable in structure, high in precision and low in manufacturing cost.
Description
technical field [0001] The invention belongs to the technical field of mechanical structure lifting platforms, and in particular relates to a mechanical structure load-bearing lifting platform and a use method thereof. Background technique [0002] During the engine assembly process, according to the requirements of the new process route, the casing and the rotor unit body need to be positioned according to the height of the design drawing for preliminary assembly, and then the casing unit needs to be raised to a certain height relative to the rotor unit body to carry out the engine blade assembly. installation and commissioning. The aero-engine component unit is large in size and heavy in weight. The new assembly process route requires both the precise positioning of the casing and the rotor unit body and the free conversion of their relative heights, which is very difficult. In the past, there were no mature design cases in the industry. It is not ruled out that electric ...
Claims
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IPC IPC(8): B66F7/12B66F7/28
CPCB66F7/12B66F7/28
Inventor 杨子英彭会文李硕唐晓东孙丽丽
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION