Memperbaiki Sudut 154HC Mast Liebherr

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Memperbaiki Sudut 154HC Mast Liebherr
  • ZCJJ
  • China
  • 5 hari
  • 20sets

Kran menara Liebherr 71EC-B5FR FR TRONIC Tower Crane 85EC-B5 Tower Crane 85EC-B5 FR TRONIC Tower Crane 110EC-B6 Tower Crane 110EC-B6 FR TRONIC Tower Crane 130EC-B6 Tower Crane 130EC-B8 FR TRONIC Tower Crane 150EC-B6 LITRONIC Tower Crane 150EC-B6 FR TRONIC Tower Crane 150EC-B8 LITRONIC Tower Crane 150EC-B8 FR TRONIC Tower Crane 172EC-B8 LITRONIC Tower Crane 202EC-B10 LITRONIC Tower Crane 250EC-B12 LITRONIC Tower Crane 285EC-B12 LITRONIC Tower Crane 380EC-B12 LITRONIC Tower Crane 380EC-B16 LITRONIC Tower Crane 1000EC-B100 LITRONIC Tower Crane 1000EC-B125 LITRONIC Tower Crane 200EC-H10 LITRONIC Tower Crane 280EC-H12 LITRONIC Tower Crane 280EC-H16 LITRONIC Tower Crane 550EC-H20 LITRONIC Tower Crane 550EC-H40 LITRONIC Tower Crane 630EC-H40 LITRONIC Tower Crane 630EC-H50 LITRONIC Tower Crane 630EC-H70 LITRONIC Tower Crane 1000EC-H40 LITRONIC Tower Crane 1000EC-H50 LITRONIC Tower Crane

Spesifikasi Produk

Jenis, Model: Menetapkan Sudut 154HC Mast Liebherr

Saiz: 1.8M

Gunakan untuk: 120HC, 132HC, 154HC Mast Liebherr, 1.8mx1.8mx2.5m

Bahan: Q345B

Proses: Melepaskan deras,

Lukisan: Di bawah lukisan, lukisan Tengah, Lukisan permukaan.

Kilang kami menghasilkan dan membekalkan hampir semua kren menara jenama terkenal: Bahagian Mast, Frame Anchor, Sudut Penetapan, Adapter dan sebagainya sebagai kualiti dan harga yang baik.

Fixing Angles 154HC

base 154HC Liebherr

Liebherr tower crane

Memperbaiki Sudut 154HC Mast Liebherr

 

Menara Crane Perkongsian pengetahuan:

Dalam makalah ini, peraturan operasi selamat pemasangan dan penyingkiran menara kren dijelaskan

Dalam makalah ini, menerangkan prosedur operasi yang selamat untuk pemasangan dan penyingkiran kren menara, masing-masing dari penentuan kedudukan pesawat kren menara, pemasangan kren menara, menaiki kren menara dan menambah seksyen, operasi ujian menara kren dan ujian, menara selepas projek pemeriksaan , penyingkiran kren menara, langkah keselamatan dan aspek lain, penjelasan terperinci.

I. penentuan kedudukan pesawat kren menara

Kren menara QTZ80 dipilih. Semasa proses pemasangan, kren mesti tegas mengikut arahan operasi dan spesifikasi pembinaan dan reka bentuk semasa.

Menurut pemilihan kren menara untuk memenuhi keperluan pembinaan dan prinsip pemasangan dan pembongkaran mudah, dan digabungkan dengan keadaan sebenar projek, kren menara akan diatur di luar lubang pondasi (lihat gambar yang dilampirkan untuk kedudukan terperinci ). Pada masa yang sama, perkara-perkara berikut perlu diambil perhatian:

 

Memperbaiki Sudut 154HC Mast Liebherr

 

1. Perpendicular to the unloading arm direction of the tower crane, the center line of the tower crane foundation should be no less than 2.8m away from the outside decorative outline of the building (the width of the foot and hand frame has been considered to be 1.2m)

2. Along the discharge arm direction of the tower crane, the center line of the tower crane foundation shall be no less than the length of the arm from the side line of the building.

Ii. Tower crane installation

The installation of tower cranes must strictly comply with the provisions of the relevant safety operation rules.

1, tower crane assembly sequence is: installation standard section hoisting jacket installation slewing support assembly installation slewing tower assembly installation tower top installation balance arm rod installation driver's cab installation heavy arm assembly installation heavy arm rod installation balance weight

2. When the tower crane is installed, 25T truck crane can be directly used for assembly on the ground

3. The standard section of the tower crane foundation shall be pre-embedded before concrete casting of the tower crane foundation.

4. Before installing the boom, a 2.32t balance weight must be installed on the balance arm at the break of the boom, but it is strictly prohibited to exceed this amount.

5. The installation position of the tower crane on the construction site must ensure the maximum rotating part of the tower crane, such as the safe distance between the crane arm, hook and the power line more than 5m.

6. The embedded parts for supporting poles in the building can be embedded on the columns or in the cast-in-place concrete wall plates. The embedded steel plates should be close to the floor plates and the distance should be no more than 20cm.

7. When installing and fixing the attachment rod, the theodolite must be used to check the vertical structure of the tower body, and the vertical deviation shall not be more than 3‰. If the tower body is found to be deflecting, the length of the attachment rod shall be adjusted for straightening, and the attachment rod shall be firmly installed.

8. In the use of tower cranes, each part and connection of the anchorage device shall be inspected carefully.

 

Fixing Angles 154HC Mast Liebherr

 

Three, tower crane jacking and section

Preparation

1. Check the performance of the hydraulic pump and fill the oil tank as required

2. Preparation before jacking:

After cleaning the standard section, the standard section connection with butter, standard section in the jacking position of the lifting arm line

The relaxation cable length is slightly greater than the total jacking height, and tighten the cable

(3) swing the lifter arm to the front of the jacking jacket frame.

(4) in the introduction of platform ready to introduce rollers.

3. Balance of tower crane

(1) first, the tower crane to balance the reference position, with four times lifting a standard section

The 4 legs of the support and the connection bolts of the standard section are removed.

The hydraulic jacking system is pushed to the jacking direction, so that the top of the casing frame to the lower support leg just off the tower body of the main chord position.

Of slightly adjust the matching position of the car, so that the lower support legs and tower main chord in a vertical line, at the same time set frame 8 regulating wheel and tower main chord clearance is basically the same.

Set frame down, connect the lower support and standard joint bolts.

6 in the balancing position of the load car to do the marked.

 

 

Fixing Angles 154HC Mast Liebherr

 

< >, tower crane jacking operation

1. Lift one standard section to the square of the introduction beam of the casing frame, install four introduction rollers at the lower end of the standard section, slowly drop the hook, so that the introduction rollers installed on the standard section just fall on the introduction beam, and then remove the hook.

2. Another standard section is hoisted and the truck is driven to the jacking balance position.

3. Use the rotary brake to brake the upper part of the tower crane

4. Remove the 8 high-strength bolts connecting the top of the tower with the lower support.

5. jack-up rig the upper structure, secondary jack-up top to tower above that fit into a standard section, will be set on the introduction of transverse beam section to the tower, a little recover oil cylinder, the newly introduced standard section fell on top of the tower.

Introduction of roller, with 8 pieces of M36 high strength bolt connect the upper and lower section fittings, pre-tightening torque of 2400 kn. M.

6. Retracted the oil cylinder again, put the lower support on the top of the new tower body, and connect the lower support with the tower body firmly with 8 pieces of M36 high-strength bolts.

7. Repeat the above steps until the required standard section is completed.

8. After the tower crane has reached the required working height by adding joints, rotate the lifting boom to different angles. When the main chord is directly below the balance arm, tighten all nuts from bottom to top of the rod.

 

 

Fixing Angles 154HC Mast Liebherr

 

Iv. Tower crane trial operation and test

When the machine after the installation, according to the steps under windless condition, check the tower axis on the surface of lateral perpendicular bearing, allowing partial differential at 4/1000, and then turned on all the power supply circuit, according to the requirement of the circuit diagram should be run, try to start the agencies to check synfuels fiasco structure operation is correct.

Check the normal work of the wire rope is everywhere at the same time, whether the structure of friction, all abnormal conditions should be ruled out. After the assembly of the tower crane, the following tests shall be carried out successively

1. No-load test

Each mechanism shall be operated several times separately, followed by three times of comprehensive operation, and any abnormal phenomenon shall not occur in the operation process, or the fault shall be removed in time.

 

 

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