Slewing reducer JH17

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Introduction

JH series slewing reducer is a hardened face planetary gear reduction device designed by our company according to the advanced foreign technologies with all gears adopting grinding process.The reducer has features of compact structure, stable operation, high transmition efficiency, low noise, long service life, high reliability, etc.Such series reducer can be equipped with torque motor, variable frequency motor and corresponding electrical control system to constitute RCV series slewing mechansim and JHF series slewing mechanism.

Specification

Model:JH17

Ratio:200

Rated output torque (N.M):18000

Output gear Parameter (Customization is avaible):m=16,z=12,x=+0.5

Weight(Kg):240

Parameters of JHF series matching variable frequency motors--Rated power of the motor kw:11，15

Recommended Tower cranes t.m:450~900

Slewing reducer JH17

Q: Does anyone know of any companies that sell mobile cranes suited for extreme cold? I'm aware of Liebherr and Havator's harbor cranes, but I can't find much else.Thanks: this is not my area of study but i will give you something to consider. if you are looking for a large capacity crane for use on permafrost, you wont find one. the pressure placed on the permafrost by large weights will cause it to melt. anything that is heavy, like a house, will sink in the tundra just like it will in a swamp. for houses they excavate the foundation a build a giant wooden raft that the hose floats on. in ST Petersburg, Russians preferred a mix of reeds and slave laborers corpses's to build the raft. as long as the ground is not frozen there is somebody how makes what you want. if the ground is frozen, you will only find small machinery. best of luck ps dont look to hard. lots of diesel engines work great at sub-subfreezing temps.

Q: What is the scrap standard of tower crane hook?: The American Standard can provide for your reference:1, hook hanging points in the effective area of cross sectional wear more than 10%, should be disabled and scrapped.2 any visible permanent deformation and cracks shall be disabled and scrapped.3, if the wear is in the same area in two directions, it should be controlled within 5%.4, any hook opening deformation is not greater than 5%, or in accordance with the manufacturer's guidelines to determine.5, hook bow hook (i.e. intermediate position hook C shape) wear amount should be less than 5%.

Q: I have a 2 year old bearded dragon, and there r tons of crane flies flying around everywhere outside. i was wondering if she can eat them in small amounts?: I wouldn't recommend it. I couldn't tell you if they are safe, but, at the very least, there is a very real risk that they may have been exposed to pesticides and other chemicals... Even if the crane flies themselves are safe for the dragon to eat, they may be exposing him to chemicals... And parasites, for that matter. It's all around not a good idea to feed wild-caught bugs.

Q: How do they erect HUGE cranes without a crane?: They use Hydraulics. I don't know if you have any understanding of Fluid power but a hydraulics system can lift up to 400% of its weight multiplyed by its density. There are other factors to consider such as cylinder size, flow, and pressure but these are usualy constants. For example: If the hydraulic fluid used weighs 5 lbs. per gallon and its density is .9 gram per cubic centimeter then 1 gallon of this fluid could lift 53.1441 lbs. A jack system is hydraulic

Q: Lifting tower crane tower more than 45 meters, the demolition cost and how to adjust the field Sinotrans transportation fees?: Self lifting tower crane tower 45 meters high to prevail, such as height of over 45 meters, each increased to 10 meters (less than 5 meters, excluding) demolition costs increase 20%, off-site transportation costs increased by 10%.

Q: what are The performance parameters of tower cranes?: The technical performance of tower crane is expressed in a variety of parameters, the main parameters include the range, starting weight, lifting torque, free height, maximum heightand so on; its general parameters are: a variety of speed, structure, weight, size, tail size and gauge wheelbase, etc.

Q: I'm talking about one of the ones where the cabin and the worker is high up in the air. You cant exactly remove a part of the bottom of the cranes structure because it would fall on top of you but you cant remove the cabin because its so high up and what can get up that high to remove it except another crane BUT how did that get built ?Thank you.: A tower crane is usually assembled by a telescopic crane of smaller lifting capacity but greater height and in the case of tower cranes that have risen while constructing very tall skyscrapers, a smaller crane (or derrick) will sometimes be lifted to the roof of the completed tower to dismantle the tower crane afterwards. A self-assembling tower crane lifts itself off the ground using jacks, allowing the next section of the tower to be inserted at ground level.

Q: Tower crane and construction hoist service life? What are the norms and standards? How to detect?: According to Hangzhou quality safety supervision station (2011) No. 56 document:Six, strengthen the use of longer construction crane management1, more than the required number of tower cranes and construction hoist should be qualified units for security assessment, the specific years with reference to the following requirements.Tower crane: 630KN.m (excluding 630KN.m), factory more than 10 years of age (including 10 years); 630KN.m1250KN.m (excluding 1250KN.m), factory more than 15 years of age (including 15 years);

Q: Today, a crane collapsed on the Grand Mosque in Mecca, killing 87 people. Is God punishing Muslims for 9/11?: probably just someone screwed up and a crane fell killing a bunch of people.

Q: What is the fundamental differences between Goju-ryu Karate and Fujian White Crane?: Actually, to discredit Big Bill, the differences are scant. There are a collection of YouTube videos from Morio Higaonna's time spent in China doing a demonstration with white Crane artists. A lot of the differences are superficial. Hell, one form demonstrated by the White Crane guys started off like a Tomari Te kata, Wankan. There's also a video of Morio, Gushi( Pangai Noon/ Uechi Ryu), and two Chinese masters doing Saam Chim in comparison with Sanchin.

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