Integrated winch pile hammer, special winch and application of special winch
A piling hammer, integrated technology, applied in hoisting devices, sheet pile walls, buildings, etc., can solve the problems of not providing the specific structure of the hoist, wire rope over-discharge, etc.
Inactive Publication Date: 2015-08-19
毕建东
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Problems solved by technology
[0006] From the hoist up to the top of the pole of the pile driver, and then down to the top of the weight, the total length of these two sections of steel wire rope generally exceeds 30m. In addition to the reaction time of each step, this method can only be solved to a certain extent. The problem of wire rope over-discharge, that is to say, the piling efficiency of the separate winch piling hammer can be further improved
[0007] In addition, in the invention patent of "Piling method and special device and application of immersed pipe grouting pile" with application number 201210531962.0 and other patents related to the construction device of immersed pipe grouting pile, none of the inventions for sinking pipe grouting piles are provided. The specific composition of the lifter of the pile construction device, which sits on the upper end of the pile pipe and lifts the hammer with a hoist
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[0054] Taking the A-type integrated hoisting piling hammer of the special hoist provided by the present invention as an example below, refer to figure 1 , figure 2 with image 3 , to illustrate the specific implementation of the special winch and the A-type integrated winch piling hammer.
[0055] The basic data are as follows: the reel 5 is made of steel, with an outer diameter of 830mm, an inner diameter of 380mm, an outer edge of 30mm and a thickness of 50mm within a wide range, and the rest is variable thickness, with a thickness of 20-40mm; the baffle plate 8 is a 150*100*20mm steel plate, Radially welded in the middle of the side of the reel; the limiter 9 is a 100*3mm steel plate spring; the steel wire rope 7 has a diameter of 30mm; the weight 11 is a 2.1*0.7*0.7m steel hammer, weighing 80kN; the power of the hydraulic motor 2 is 150kW.
[0056] Soil conditions: within a depth of 50m, it is cohesive soil, which is soft at the top and hard at the bottom. The average ...
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The invention provides an A type integrated winch pile hammer and a B type integrated winch pile hammer, each of which integrates a winch and a heavy hammer into a frame. A special winch provided by the invention is used for the A type integrated winch pile hammer; an existing winch is used for the B type integrated winch pile hammer. The special winch can achieve the preset maximum drop distance of the heavy hammer when a roller is rotated less than a circle, a baffle is fixedly arranged on the roller, and a limiting stopper is fixedly arranged on a base. Through the baffle, the limiting stopper has the effects of limiting, buffering and rebounding on the roller. Compared with an existing separated winch pile hammer, the A type integrated winch pile hammer has the advantage of small steel wire rope loss and the like of the B type integrated winch pile hammer, and also has the advantages of being simpler in structure, easier to control, capable of better solving the problem of over discharging of a steel wire rope, and capable of enabling the hammering efficiency to be improved by more than 50%.
Description
technical field [0001] The invention relates to equipment used in construction of engineering piles, and belongs to the field of engineering machinery. Background technique [0002] At present, the diesel piling hammer commonly used in engineering is a gas pressure-lifting hammer generated by mixed combustion of diesel oil. It has the advantages of large energy, less auxiliary equipment, and convenient operation, but it has great noise, vibration, and soot pollution. [0003] The hydraulic cylinder lifting weight for hydraulic piling hammer is a new type of low noise, low energy consumption, and no oil fume piling hammer, but it has high price, small drop distance, high requirements for use, and complicated post-maintenance. [0004] The earliest method is to drive piling with drop hammer, that is, use the hoist installed on the chassis of the pile driver, and use the wire rope around the top of the pile driver pole to lift the weight to a certain height and then freely fall...
Claims
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IPC IPC(8): B66D1/14B66D1/56E02D7/08
CPCB66D1/60B66D1/14B66D1/56E02D7/08
Inventor 毕建东董旭恒律凤梅
Owner 毕建东