CN215592431U

CN215592431U - Composite tower crane for high-rise building construction

Info

Publication number: CN215592431U
Application number: CN202121646349.4U
Authority: CN
Inventors: 杨贵柏; 杨静
Original assignee: China 19th Metallurgical Corp
Current assignee: China 19th Metallurgical Corp
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-01-21
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a composite tower crane, particularly discloses a composite tower crane for high-rise building construction, and belongs to the technical field of design and manufacture of construction equipment of constructional engineering. The composite tower crane for high-rise building construction is capable of remarkably improving transfer efficiency and preventing safety accidents in construction. The composite tower crane comprises a tower body and an upper lifting system which is movably arranged on the tower body, the composite tower crane further comprises a lower lifting system, and the lower lifting system is movably arranged on the tower body below the upper lifting system.

Description

Composite tower crane for high-rise building construction

Technical Field

The utility model relates to a composite tower crane, in particular to a composite tower crane for high-rise building construction, and belongs to the technical field of design and manufacture of construction equipment of constructional engineering.

Background

The problem of low working efficiency of hoisting construction materials is prominent because only one tower crane is usually used alone in the construction of high-rise building buildings. If a plurality of tower cranes of the same type are installed, the lifting operation of a construction working surface is influenced, the investment cost is obviously increased, and the crane boom is easy to collide during operation and rotation, so that serious potential safety hazards exist; therefore, the construction unit is always puzzled by the hoisting of construction materials in the construction process.

The utility model discloses a utility model patent that publication number is CN202021708413.2 provides a hoisting device for bridge construction, including lower chassis and mounting bracket, the top swing joint on chassis has last chassis down, and goes up both ends fixedly connected with locking post about the top on chassis, the top fixedly connected with support column on going up the chassis, and the electronic extension frame of top fixedly connected with of support column, the electronic slide rail of the inside left and right sides fixedly connected with of mounting bracket, and the mounting bracket is located the upper end of electronic extension frame. This hoisting device is used in bridge construction compares with current ordinary overhead hoist, and the device angle is convenient for adjust with high, can operate by oneself according to the user demand, also is convenient for install and dismantles, has reduced constructor's work load, is provided with the guardrail and can protect the constructor and also be convenient for get into the regulation and control room, has increased the security of operation, can adjust the angle of lifting hook through the control regulating spindle for the lifting hook handling heavy object of being more convenient for. The single-arm single hook adopted by the lifting device cannot improve the construction progress fundamentally, and meanwhile compared with the existing tower crane, the lifting device is only changed from a fixed mode into a moving mode, so that the problem of mutual dry-derivative of simultaneous construction is not solved, and meanwhile, due to the structural moving mode, the height of the lifting device is greatly limited, and the lifting device is not suitable for lifting of materials for highly-strange building construction.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the composite tower crane for high-rise building construction is capable of remarkably improving transfer efficiency and preventing safety accidents in construction.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a compound tower crane for construction of high-rise building, includes the upper portion handling system of arranging on the body of the tower of body of the tower and activity, compound tower crane still include lower part handling system, the activity of lower part handling system arrange on the body of the tower of upper portion handling system below.

Further, the tower body is further provided with a jacking system, the jacking system can be sleeved on the tower body in a reciprocating mode along the vertical direction, and the lower hoisting system is arranged on the tower body between the jacking system and the upper hoisting system.

The upper hoisting system comprises a main crane boom, a main balance mechanism and an upper slewing assembly, wherein the main crane boom and the main balance mechanism which are arranged on two sides of the upper slewing assembly are movably arranged at the top of the tower body through the upper slewing assembly.

The lower lifting system comprises an auxiliary crane boom, an auxiliary balance mechanism and a lower rotary mounting mechanism, wherein the auxiliary crane boom and the auxiliary balance mechanism which are arranged on two sides of the lower rotary mounting mechanism are movably arranged on the tower body below the upper lifting system through the lower rotary mounting mechanism.

In a preferred mode of the above aspect, the length of the sub-boom is shorter than the length of the main boom, and a hook assembly is disposed on the sub-boom.

Further, the auxiliary balance mechanism comprises an auxiliary balance arm and an auxiliary balance weight, the auxiliary balance weight is arranged at one end of the auxiliary balance arm, and the auxiliary balance arm is connected with the lower rotary mounting mechanism through the other end of the auxiliary balance arm.

In a preferred mode of the above scheme, the lower slewing mounting mechanism comprises a lower slewing assembly and an outer arm support, the outer arm support is arranged on the tower body below the upper hoisting system through the lower slewing assembly, and the auxiliary boom and the auxiliary balance arm are respectively arranged on two sides of the outer arm support.

Further, the lower rotary mounting mechanism further comprises a fixing column, and the lower rotary assembly is arranged on the tower body below the upper lifting system through the fixing column.

Furthermore, the fixed column is a part of the tower body at the corresponding position or a square body formed by four thickened vertical rods, and the upper part and the lower part of the square body are respectively coaxially connected with the tower body to form a whole.

The utility model has the beneficial effects that: the technical scheme that this application provided is based on the tower crane that the upper portion handling system that arranges on the body of the tower that has including the body of the tower and activity constitutes, through increasing on it and setting up lower part handling system, and will the activity of lower part handling system arrange on the body of the tower of upper portion handling system below. Therefore, the materials outside the high-rise building can be lifted by the upper lifting system according to the positions of the building materials and the equipment facilities which are lifted as required, so that the materials inside the high-rise building can be lifted by the lower lifting system, and meanwhile, the upper lifting system and the lower lifting system are lifted while the tower body standard knot is additionally installed by the jacking sleeve frame system of the tower crane as required according to the construction progress of the high-rise building and the construction progress of the high-rise building in the lifting process of the materials so as to adapt to the lifting work of the materials with different floor heights. Therefore, the problem that the construction cost is high when multiple tower cranes are adopted and safety accidents are easily caused by mutual dry-driving is solved, and meanwhile, two sets of hoisting systems are arranged on the same tower body and can effectively improve the transfer efficiency by using the hoisting systems according to positions. Furthermore, the upper and lower suspension arms with different lengths of the suspension arms can be arranged on the same tower crane through transformation, then building materials at different positions can be hoisted respectively according to the different lengths of the suspension arms, potential safety hazards caused by the fact that multiple tower cranes and one tower body cargo boom are the same in length are avoided to the maximum extent, and the purpose of improving the hoisting efficiency to the maximum extent is achieved by hoisting the building materials at different positions simultaneously.

Drawings

FIG. 1 is a front view of a composite tower crane for high-rise building construction according to the present invention;

fig. 2 is a sectional view a-a of fig. 1.

Labeled as: the lifting device comprises a tower body 1, an upper lifting system 2, a lower lifting system 3, a jacking system 4, a main crane boom 5, a main balance mechanism 6, an upper rotary assembly 7, an auxiliary crane boom 8, an auxiliary balance mechanism 9, a lower rotary mounting mechanism 10, a lifting hook component 11, an auxiliary balance arm 12, an auxiliary balance weight 13, a lower rotary assembly 14, an outer cantilever crane frame 15 and a fixed column 16.

Detailed Description

As shown in figures 1 and 2, the composite tower crane for high-rise building construction provided by the utility model can obviously improve the transfer efficiency and is not easy to cause safety accidents in construction. The composite tower crane comprises a tower body 1 and an upper lifting system 2 which is movably arranged on the tower body 1, the composite tower crane further comprises a lower lifting system 3, and the lower lifting system 3 is movably arranged on the tower body 1 below the upper lifting system 2. The technical scheme that this application provided is based on the tower crane that the upper portion handling system that arranges on the body of the tower that has including the body of the tower and activity constitutes, through increasing on it and setting up lower part handling system, and will the activity of lower part handling system arrange on the body of the tower of upper portion handling system below. Therefore, the materials outside the high-rise building can be lifted by the upper lifting system according to the positions of the building materials and the equipment facilities which are lifted as required, so that the materials inside the high-rise building can be lifted by the lower lifting system, and meanwhile, the upper lifting system and the lower lifting system are lifted while the tower body standard knot is additionally installed by the jacking sleeve frame system of the tower crane as required according to the construction progress of the high-rise building and the construction progress of the high-rise building in the lifting process of the materials so as to adapt to the lifting work of the materials with different floor heights. Therefore, the problem that the construction cost is high when multiple tower cranes are adopted and safety accidents are easily caused by mutual dry-driving is solved, and meanwhile, two sets of hoisting systems are arranged on the same tower body and can effectively improve the transfer efficiency by using the hoisting systems according to positions.

In the above embodiment, the upper lifting system 2 of the existing tower crane is used for reference and comprises the main crane boom 5, the main balance mechanism 6 and the upper slewing assembly 7, and the main crane boom 5 and the main balance mechanism 6 which are arranged on two sides of the upper slewing assembly 7 are movably arranged on the top of the tower body 1 through the upper slewing assembly 7. And for the convenience of applying lower part handling system 3 in the time of rising tower crane itself, combine body of the tower 1 on still be provided with jacking system 4's characteristics, but jacking system 4 along vertical direction reciprocating motion cup joint body of the tower 1 on, lower part handling system 3 arrange on body of the tower 1 between jacking system 4 and upper portion handling system 2.

Further, in order to avoid the potential safety hazard to the maximum extent that a plurality of tower cranes and a tower body cargo boom length are the same, and reach the purpose that furthest improves handling efficiency through the building materials of handling different positions simultaneously, the lower part handling system 3 of this application include vice cargo boom 8, vice balance mechanism 9 and lower part gyration installation mechanism 10, arrange on the tower body 1 of upper portion handling system 2 below that vice cargo boom 8 and vice balance mechanism 9 of lower part gyration installation mechanism 10 both sides pass through the activity of this lower part gyration installation mechanism 10. And the length of the secondary boom 8 is set to be smaller than the length of the main boom 5, of course a hook assembly 11 is also arranged on the secondary boom 8. Correspondingly, the secondary balance mechanism 9 comprises a secondary balance arm 12 and a secondary balance weight 13, the secondary balance weight 13 is arranged at one end of the secondary balance arm 12, and the secondary balance arm 12 is connected with the lower rotary mounting mechanism 10 through the other end thereof. The lower rotary mounting mechanism 10 comprises a lower rotary assembly 14 and an outer arm holding frame 15, the outer arm holding frame 15 is arranged on the tower body 1 below the upper hoisting system 2 through the lower rotary assembly 14, and the auxiliary boom 12 and the auxiliary balance weight 13 are respectively arranged on two sides of the outer arm holding frame 15. To facilitate mounting of the lower swivel mounting mechanism 10 to the tower ao, the lower swivel mounting mechanism 10 of the present application further comprises fixing posts 16, and the lower swivel assembly 14 is arranged on the tower 1 below the upper hoist system 2 via the fixing posts 16. In this case, the fixing column 16 may be a part of the tower body at the corresponding position or may be a square body formed by four thickened vertical rods, and the upper part and the lower part of the square body are respectively connected with the tower body coaxially to form a whole.

To sum up, the technical scheme that this application provided aims at providing a high-rise building construction combination formula handling method to the current situation in the background to can reach material-saving, safe purpose, only use a tower crane alone to cause the problem that work efficiency is low usually in order to solve high-rise building construction. By adopting the combined hoisting method for high-rise building construction, 2 tower cranes consisting of 1 tower body are used for hoisting construction in a subarea manner, so that the construction progress of the high-rise building can be greatly accelerated; and achieves the purposes of saving materials and safely lifting.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

In order to solve the technical problem, the technical scheme adopted by the application is as follows:

the hoisting method for high-rise building construction comprises the following steps: the upper part of the tower body is provided with a lower tower crane rotation assembly and an outer shaft group, an outer holding arm frame is arranged between the balance arm and the crane arm, and the balance weight is set according to calculation; the lower tower crane lifting hook of the load-carrying trolley carries out the lifting work of the inner side of the high-rise building;

further, a tower crane rotation assembly is mounted on the upper portion of the fixing column, and the tower crane is mounted to carry out hoisting work on the outer side of the high-rise building; and (5) installing a standard section tower body in the climbing jacket frame area.

Claims

1. The utility model provides a compound tower crane for construction is built to high-rise building, includes upper portion handling system (2) of arranging on body of the tower (1) of body of the tower (1) and activity, its characterized in that: the composite tower crane further comprises a lower lifting system (3), wherein the lower lifting system (3) is movably arranged on the tower body (1) below the upper lifting system (2).

2. The composite tower crane for high-rise building construction according to claim 1, wherein: the tower body (1) is further provided with a jacking system (4), the jacking system (4) can be sleeved on the tower body (1) in a reciprocating mode along the vertical direction, and the lower lifting system (3) is arranged on the tower body (1) between the jacking system (4) and the upper lifting system (2).

3. The composite tower crane for high-rise building construction according to claim 2, wherein: the upper lifting system (2) comprises a main crane boom (5), a main balance mechanism (6) and an upper rotary assembly (7), wherein the main crane boom (5) and the main balance mechanism (6) which are arranged on two sides of the upper rotary assembly (7) are movably arranged at the top of the tower body (1) through the upper rotary assembly (7).

4. The composite tower crane for high-rise building construction according to claim 1, 2 or 3, wherein: the lower lifting system (3) comprises an auxiliary crane boom (8), an auxiliary balance mechanism (9) and a lower rotary mounting mechanism (10), wherein the auxiliary crane boom (8) and the auxiliary balance mechanism (9) which are arranged at two sides of the lower rotary mounting mechanism (10) are movably arranged on the tower body (1) below the upper lifting system (2) through the lower rotary mounting mechanism (10).

5. The composite tower crane for high-rise building construction according to claim 4, wherein: the length of the auxiliary lifting arm (8) is less than that of the main lifting arm (5), and a lifting hook assembly (11) is arranged on the auxiliary lifting arm (8).

6. The composite tower crane for high-rise building construction according to claim 5, wherein: the auxiliary balance mechanism (9) comprises an auxiliary balance arm (12) and an auxiliary balance weight (13), the auxiliary balance weight (13) is arranged at one end of the auxiliary balance arm (12), and the auxiliary balance arm (12) is connected with the lower rotary mounting mechanism (10) through the other end of the auxiliary balance arm.

7. The composite tower crane for high-rise building construction according to claim 6, wherein: the lower rotary mounting mechanism (10) comprises a lower rotary assembly (14) and an outer arm-embracing frame (15), the outer arm-embracing frame (15) is arranged on the tower body (1) below the upper hoisting system (2) through the lower rotary assembly (14), and the auxiliary boom (8) and the auxiliary balance arm (12) are respectively arranged at two sides of the outer arm-embracing frame (15).

8. The composite tower crane for high-rise building construction according to claim 7, wherein: the lower rotary mounting mechanism (10) further comprises a fixing column (16), and the lower rotary assembly (14) is arranged on the tower body (1) below the upper lifting system (2) through the fixing column (16).

9. The composite tower crane for high-rise building construction according to claim 8, wherein: the fixed column (16) is a part of a tower body at a corresponding position or a square body formed by four thickened vertical rods, and the upper part and the lower part of the square body are respectively coaxially connected with the tower body to form a whole.