CN205709601U - A kind of building tower crane - Google Patents

Abstract

The utility model discloses a construction tower crane, which comprises a fixed tower base, a tower body, a revolving tower frame, a tower body turntable, and a tower hanging tip. The tower body is installed above the fixed tower base, and the tower body The slewing tower is installed above the slewing tower, the tower body turntable is installed above the tower body turret, the tower suspension tip is installed above the tower body turntable, and a jib stay rope is installed at one end of the tower suspension tip. , a boom is installed under the boom stay rope, a lifting hook is installed under the boom, a balance arm is installed on the other end of the lifting hook, and a balance arm is installed above the balance arm. There is a hoist, the other end of the hoist is equipped with a balance weight, and a balance arm stay rope is installed above the balance weight. The beneficial effect lies in that the operation is simple, the response is flexible, it is suitable for complex construction sites, it can be increased by adding joints, the work is safe and reliable, and it is suitable for high-rise buildings.

Description

A construction tower crane

technical field

The utility model relates to the field of cranes, in particular to a construction tower crane.

Background technique

From the perspective of the development of the tower crane industry, the industry is highly related to the national economy and construction real estate. Therefore, it is of certain scientific significance to see the development of the tower crane industry from the perspective of the national economic trend and the development trend of the real estate industry. In 2012, China's economy rebounded, which laid a good foundation for the development of various industries. The real estate industry rebounded rapidly, and the tower crane industry also increased significantly. According to the statistics of China Construction Machinery Association, the sales volume of tower cranes in 2012 exceeded 40,000 units. The overall structure of China's tower crane industry has also undergone great changes. There are constantly new companies entering the tower crane industry. At present, there are more than 400 tower crane manufacturers in China, among which there are more than 100 enterprises above designated size. Although the cancellation of preferential interest rates, the increase of down payment, purchase restrictions and other factors will continue to plague the real estate industry, but considering the unshakable status of the real estate industry as a pillar industry in the future and the strong demand for real estate in the market, it is expected that in the next few years The real estate industry is still growing in 2019, and the construction of affordable housing will become its development engine. Judging from the comparative analysis of the operation of China's tower crane industry and real estate investment, the tower crane industry has the characteristics of leading indicators for the real estate industry, and changes in real estate investment are shown one year in advance in the tower crane industry. Therefore, in order to make our country's cranes develop better and faster, we need continuous further research and practice.

Utility model content

The purpose of this utility model is to provide a construction tower crane in order to solve the above problems.

The utility model realizes above-mentioned purpose through following technical scheme:

A construction tower crane, comprising a fixed tower base, a tower body, a revolving tower frame, a tower body turntable, and a tower hanging tip, the tower body is installed above the fixed tower base, and the tower body is installed above the tower body. A slewing tower, the tower body turret is installed above the slewing tower, the tower suspension tip is installed above the tower body turret, a jib stay rope is installed at one end of the tower suspension tip, and the jib A boom is installed below the stay rope, a lifting hook is installed below the boom, a balance arm is installed at the other end of the lifting hook, and a hoist is installed above the balance arm. A balance weight is installed at the other end of the lift, and a balance arm stay rope is installed above the balance weight.

In the above structure, after the fixed tower base and the tower body are fixed, the rotary tower will rotate, and when the rotary tower rotates, the tower turntable will also rotate accordingly. When the tower After the turntable rotates, the tower hanging tip will pull the jib stay rope to keep it stable, and when the jib stay rope releases the pulling force, the boom can be lifted by the lifting hook. After lifting, the balance arm will be kept in balance with the balance weight by the hoist, and the balance arm stay rope will also provide corresponding pulling force and stability.

In order to further improve the quality of the crane, the fixed tower base is connected to the tower body through bolts, the tower body is connected to the slewing tower, and the slewing tower is connected to the tower body turret.

In order to further improve the quality of the crane, the tower body turret is connected to the tower suspension tip by welding, and the tower suspension tip is connected to the jib stay rope by fastening.

In order to further improve the quality of the crane, the jib stay rope is connected to the boom, the boom is connected to the lifting hook through a hinge, and the lifting hook is connected to the balance arm. connect.

In order to further improve the quality of the crane, the balance arm is connected to the hoist by bolts, the hoist is connected to the balance weight, and the balance weight is connected to the balance arm pull rope.

The beneficial effect lies in that the operation is simple, the response is flexible, it is suitable for complex construction sites, it can be increased by adding joints, the work is safe and reliable, and it is suitable for high-rise buildings.

Description of drawings

Fig. 1 is the plane view of a kind of building tower crane described in the utility model;

The reference signs are explained as follows:

1. Fixed tower base; 2. Tower body; 3. Swivel tower frame; 4. Tower body turntable; Balance arm; 10, hoist; 11, balance weight; 12, balance arm pull rope.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, a construction tower crane includes a fixed tower base 1, a tower body 2, a revolving tower frame 3, a tower body turntable 4, and a tower hanging tip 5, the fixed tower base 1 is used for fixing, and the fixed tower base 1 A tower body 2 is installed on the top, and the tower body 2 is used for support. A revolving tower 3 is installed above the tower body 2. The revolving tower 3 is used for revolving. 4 is used for the turntable, the top of the tower body turntable 4 is installed with a tower hanging tip 5, the tower hanging tip 5 is used for fixing, and one end of the tower hanging tip 5 is installed with a jib stay rope 6, which is used for tensioning, and the jib pull Boom 7 is installed below rope 6, and boom 7 is used for hoisting, and hoisting hook 8 is installed below boom 7, and hoisting hook 8 is used for hook, and the other of hoisting hook 8 A balance arm 9 is installed at one end, and the balance arm 9 is used to maintain balance. A hoist 10 is installed above the balance arm 9, and the hoist 10 is used for lifting. The other end of the hoist 10 is equipped with a counterweight 11. Balance weight 11 is used for bearing weight, and balance arm stay rope 12 is installed on the top of balance weight 11, and balance arm stay rope 12 is used for pulling firmly.

In the above structure, after the fixed tower base 1 and the tower body 2 are fixed, the revolving tower 3 will rotate. When the revolving tower 3 rotates, the tower body turntable 4 will also rotate accordingly. When the tower body turntable 4 rotates, the tower hanging tip 5 will pull the boom stay rope 6 to keep stable. After the jib stay rope 6 releases the tension, the boom 7 can be lifted by the lifting hook 8, and the balance arm 9 will be lifted by the lifting hook 8 after lifting. The machine 10 is kept in balance with the balance weight 11, and the balance arm stay rope 12 also plays a corresponding pulling force and stability.

In order to further improve the quality of the crane, the fixed tower base 1 is connected to the tower body 2 by bolts, the tower body 2 is connected to the revolving tower frame 3, the revolving tower frame 3 is connected to the tower body turntable 4, and the tower body turntable 4 is connected to the tower hanging tip 5 It is connected by welding, the tower hanging tip 5 is connected with the jib stay rope 6 by fastening, the jib stay rope 6 is connected with the jib 7, the jib 7 is connected with the lifting hook 8 through a hinge, and the lifting The suspension hook 8 is connected with the balance arm 9, the balance arm 9 is connected with the hoist 10 by bolts, the hoist 10 is connected with the balance weight 11, and the balance weight 11 is connected with the balance arm stay rope 12.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their effects.

Claims (5)

1. a building tower crane, it is characterised in that: include fixing tower seat, tower body, revolution pylon, Tower body turntable, tower crane point, described fixing tower seat be arranged above described tower body, the top of described tower body peace Equipped with described revolution pylon, described revolution pylon be arranged above described tower body turntable, described tower body turntable Be arranged above described tower crane point, described tower crane point one end jib stay cord, described jib stay cord are installed Lower section crane arm is installed, the lower section of described crane arm is provided with crampon, described crampon another One end is provided with counter-jib, described counter-jib be arranged above lifting machine, the other end of described lifting machine peace Equipped with counterweight block, described counterweight block be arranged above counter-jib stay cord.

A kind of building tower crane the most according to claim 1, it is characterised in that: described fixing tower Seat is connected by bolt with described tower body, and described tower body is connected with described revolution pylon, described turret Frame is connected with described tower body turntable.

A kind of building tower crane the most according to claim 1, it is characterised in that: described tower body turns Platform and described tower crane point connect by being weldingly connected, and described tower crane is sharp and described jib stay cord is connected by fastening.

A kind of building tower crane the most according to claim 1, it is characterised in that: described jib draws Rope is connected with described crane arm, and described crane arm is connected by hinge with described crampon, described Weight suspension hook is connected with described counter-jib.

A kind of building tower crane the most according to claim 1, it is characterised in that: described counter-jib Being connected by bolt with described lifting machine, described lifting machine is connected with described counterweight block, described balance Pouring weight is connected with described counter-jib stay cord.