08
March
The brake device plays a very important role in gantry crane’s operation to make sure cranes can run correctly and safely. And the collocation of brake device can decide the working life and operating safety. So we choose the brake device from type, specification and environment etc. ...
08
March
In order to finish the girder lifting successfully , when using the crane to lifting box girder , we must adhere to the process flow,. ZZHZ has very rich installing experience , the matters need attentions are following: ...
08
March
4. when lifting, in case of swing of steel box girder is too big, we often adopt the transverse girder by manual hoist to control them. ...
06
March
The block is a small lifting tools which is widely used in the hoisting machinery, it and steel rope wind together with winch for lifting weight. In order to prolong the block’s life, we need to do the following steps: ...
06
March
Working condition 6: in the normal working condition, trolley lifts rated loads at side of flexible support leg, and crane moving system brakes ...
05
March
Working condition 1: in the working condition with no wind, gantry crane does not move, trolley lifts rated loads at mid-span; ...
05
March
After knowing the working principle of electric hoist , the maintenance of electric hoist is an important content we must know. ...
04
March
Electric hoist is a kind of small and light lifting crane with small volume, light weight, simple operation and convenient using. According to the correct steps to install the electric hoist to make sure the safety of electric hoist. ...
02
March
1. After the installation of main girder of gantry crane is finished, the rails of trolley are welded in order to make sure the height difference of joints ≤1mm, and the lateral dislocation ≤1mm, the deviation of track center line and the girder web center line ≤4mm, lateral straightness ≤1mm/2m, and the length of rails≤10mm. ...
09
January
(4) Hoist the connecting frame with one truck crane and bolt them.
(5) Hoist the trolley of gantry crane on its track mounted on the upper surface of the girder with one truck crane. Adjust it to make the wheel tread on the track.
...
05
January
(1) With the truck crane, assemble and check the main girder beam, supporting legs and gearboxes by tag on the ground. Put them proper places waiting to lift. ...
04
January
3. pin connection
Advantages: reliable transmission force, good tenacity and plasticity, easy checked quality, anti dynamic load, and fixed firmly.
Disadvantages: high requirements of manufacture.
...
03
January
There are riveting, welding, pin connection, bolt connection and high-strengthen bolt connection of gantry crane, their advantages and disadvantages are following: ...
29
December
a. Operator of crane should put on rubber insulating shoes, should no put on hard-ground shoes or plastic shoes. Working uniform with the right size should be put on, trouser legs and sleeve-cuff should be bound tightly while works. Hard hat should be put on to prevent the head being broken by falling tool when maintenances; ...
28
December
1. Take part in the meeting of telling technique and safety duty of hoisting job, and carefully carry out the stipulations on safe and technique of hoisting job. ...
27
December
1. Gantry crane test run record lists should be kept for installation company and end user, at list 1 piece for each, if the crane has defection, write it into record list as original basis, no matter whether the defection problem is solved. ...
26
December
In order to finish the erection smoothly, so when the gantry crane lifts the large scale parts, the steps are following: ...
25
December
9、No matter the crane or trolley which must go to the ends slowly. The retaining frame are prohibited strictly ...
24
December
a. know the power supply
b. Lubricating the points regularly.
...
20
December
Lifting 1.1 times rated load as load to test run, when test run , the auxiliary hoist can’t start at the same time), ...
Products Categories
- Gantry Crane
- Bridge Girder Launcher
- Movable Support System
- Overhead Crane
- Shotcreting Machine
- Cinder Scraper
Related Products
Ask
- Guidelines for gantry crane installation and disassembly 2021-07-14
- Preparations for gantry crane construction 2021-07-09
- Code of operation for gantry crane 2021-07-06
- Common sense of use of gantry crane 2021-07-02
- Introduction to gantry crane 2021-07-01
- Notes and operation methods for gantry crane construction 2021-06-30