Mechanical double-speed superimposed type rapid telescopic arm frame
A telescopic boom, mechanical technology, applied in cranes and other directions, can solve the problems of reduced work efficiency, single telescopic speed, slow moving speed, etc., to achieve the effect of improving work efficiency and speeding up telescopic speed
Active Publication Date: 2011-07-20
日照昱荣塑业有限公司
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Problems solved by technology
[0002] At present, the telescopic booms often used in boom-type hoisting machinery have a single telescopic speed, that is, only the drive frame is installed in the fixed arm, so the moving speed is slow and the work efficiency is greatly reduced.
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[0008] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the embodiments and accompanying drawings. The embodiments are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.
[0009] like figure 1 It shows an embodiment of the mechanical double-speed superimposed fast telescopic boom of the present invention, including a fixed arm 1, a driving mechanism 2 is arranged on the upper surface of the fixed arm 1, and a first sprocket 3 is arranged at one end of the driving mechanism 2 , the upper and lower parts of the fixed arm 1 are respectively provided with an upper drive shaft 4 and a lower drive shaft 5, and the upper drive shaft 4 and the lower drive shaft 5 are fixed on the fixed arm 1 through the support seat 6, and the two ends of the upper drive shaft 4 are respectively Be provided with the second sprocket 7 and t...
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The invention discloses a mechanical double-speed superimposed type rapid telescopic arm frame which comprises a fixed arm, wherein a drive mechanism is arranged on the fixed arm, a first chain wheel is arranged at one end of the drive mechanism, an upper drive shaft and a lower drive shaft respectively penetrate through the upper part and the lower part of the fixed arm, the upper drive shaft and the lower drive shaft are both fixed on the fixed arm, two eudipleural upper rollers are arranged on the upper drive shaft, an upper gear is arranged in the middle of the two upper rollers, the lower parts of the two upper rollers are connected with a drive frame through an upper railway, the upper gear is connected with an upper rack in the middle at the upper part of the drive frame, two eudipleural lower rollers are arranged at the lower part of the drive frame, a lower railway is respectively arranged on the two lower rollers, a telescopic arm is also arranged in the fixed arm, the upperparts at both sides of the telescopic arm are respectively connected with the two lower rollers, and the bottom of the telescopic arm is connected with two gears arranged on the lower drive shaft through two eudipleural lower racks. The mechanical double-speed superimposed type rapid telescopic arm frame has the advantages of telescopic speed improvement and production efficiency improvement.
Description
Technical field: [0001] The invention relates to a component in a jib type hoisting machine, in particular to a mechanical double-speed superimposed fast telescopic jib. Background technique: [0002] At present, the telescopic booms often used in boom-type hoisting machinery all have a single telescopic speed, that is, only a driving frame is provided in the fixed boom, so the moving speed is slow and the work efficiency is greatly reduced. Invention content: [0003] The object of the present invention is to overcome the above disadvantages, and provide a mechanical double-speed superimposed fast telescopic boom frame that improves the telescopic speed and production efficiency. [0004] The purpose of the present invention is achieved through the following technical solutions: a mechanical double-speed superimposed fast telescopic boom, including a fixed arm, a driving mechanism is arranged on the fixed arm, and a first sprocket wheel is arranged at one end of the drivi...
Claims
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IPC IPC(8): B66C23/687
Inventor 周国强
Owner 日照昱荣塑业有限公司