CN219031599U

CN219031599U - Reinforcing device for preventing typhoon adhesion of large tower crane

Info

Publication number: CN219031599U
Application number: CN202320160965.1U
Authority: CN
Inventors: 马仁刚; 胡泽铭; 王梓年; 蔡宏观; 林凤英
Original assignee: China Construction Fourth Engineering Division Corp Ltd; China Construction Fourth Engineering Bureau Construction and Development Co Ltd
Current assignee: China Construction Fourth Engineering Division Corp Ltd; China Construction Fourth Engineering Bureau Construction and Development Co Ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-05-16
Anticipated expiration: 2033-01-16

Abstract

The utility model discloses a typhoon adhesion preventing reinforcing device for a large-scale tower crane, which comprises the following components: a tower vertically fixed on the ground; a plurality of pulleys arranged in the radial direction at the upper part of the tower in an annular array manner; the annular array is arranged on a plurality of attaching tables on the radial direction of the bottom of the tower, and the attaching tables are embedded and fixed on the ground; according to the utility model, the plurality of attaching tables are arranged on the periphery of the tower table and are connected with the attaching tables and the tower table through the steel wire ropes, so that traction forces in a plurality of directions are formed on the periphery of the tower table, meanwhile, the three steel wire ropes can disperse the traction forces, so that the stability of the tower table is enhanced, the pulley can slide on the steel wire ropes, a recoverable safety zone is provided for the deflection of the upper part of the tower table, when the typhoon pressure is eliminated, the pulley can slide and reset, the tower table can be restored to the original state, and further, the effect of stronger wind resistance can be realized when the tower table is installed in a working area with limited part of space.

Description

Reinforcing device for preventing typhoon adhesion of large tower crane

Technical Field

The utility model relates to a reinforcing device for preventing typhoon adhesion of a large-scale tower crane, and belongs to the technical field of tower cranes.

Background

The tower crane is the most commonly used hoisting equipment on the construction site, uses the length of one section to be lengthened, is used for hoisting the raw materials for construction such as steel bars, wood edges, concrete, steel pipes and the like for construction, and is an indispensable equipment on the site.

When the construction is carried out in coastal areas, because the wind power in the coastal areas is large, the free end of the tower crane is higher than a certain value, and then the attachment device is required to be arranged to be connected with the main structure of the building, so that the stability of the tower crane is ensured.

The conventional tower crane attaching device is a steel wall attaching part and is rigidly connected with a main body structure in a pre-buried mode, but because large-scale steel structure system building is generally constructed by using a large-scale tower crane, main body steel components are diversified in modeling, the distance between the tower crane and the wall attaching part is overlarge, special-shaped wall attaching parts are required to be specially customized, and the like, the realization of rigid attachment of the tower crane is restricted, so that the tower crane attaching on a construction site is difficult.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a reinforcing device for preventing typhoon attachment of a large-scale tower crane, which aims to solve the problems that the conventional tower crane attachment device in the prior art is a steel wall attaching part and is rigidly connected with a main body structure in a pre-buried mode, but because large-scale tower cranes are usually used for building a large-scale steel structure system, the main body steel members are diversified in modeling, the wall attaching distance of the tower crane is overlarge, special customization and the like are required for special-shaped wall attaching parts, the realization of rigid attachment of the tower crane is restricted, and the tower crane attachment on a construction site is difficult.

In order to achieve the above object, the present utility model is realized by the following technical scheme:

a device for reinforcing a large tower crane against typhoon adhesion, comprising: a tower vertically fixed on the ground;

a plurality of pulleys arranged in the radial direction at the upper part of the tower in an annular array manner;

the annular array is arranged on a plurality of attaching tables on the radial direction of the bottom of the tower, and the attaching tables are embedded and fixed on the ground;

a lock fixedly mounted above the attachment table;

and the two ends of the steel wire rope are locked on the locking piece, and the steel wire rope is wound on the pulley.

As a further improvement, the pulley is arranged at a position of 70% -75% of the height of the tower.

As a further improvement, the steel wire rope adopts a phosphatized coated steel wire rope with the diameter of 10 mm.

As a further improvement, the vertical angle between the steel wire rope and the tower is 45-60 degrees.

As a further improvement, the attaching table comprises a lower lock sleeve and an upper attaching table fixedly arranged above the lower lock sleeve, an embedded sleeve is arranged below the upper attaching table, an outer ring of the embedded sleeve is provided with an external thread, the lower lock sleeve is provided with an internal and external thread, the lower lock sleeve is deeply embedded in the ground, and the embedded sleeve is screwed on the upper part of the lower lock sleeve.

As a further improvement, the locking piece comprises a locking disc, the locking piece is locked on the locking disc, one end of the locking piece, which is far away from the locking disc, is sleeved on the steel wire rope, the locking piece comprises a locking piece and connecting rods symmetrically arranged at two ends of the locking piece, through holes are formed in the locking piece transversely and vertically, connecting rods are fixedly connected in the through holes at two ends, and the connecting rods are fixedly connected with the steel wire rope.

As a further improvement, the lock disk comprises a connecting sheet, the connecting sheet is fixed above the attaching table through a bolt, a protruding part is arranged in the middle of the connecting sheet, a lock ring is crimped below the protruding part, and the lock ring is connected with the connecting rod.

As a further improvement, the lock disk comprises a lock ring which is embedded and installed inside the attaching table, and the lock ring and the reinforcing steel bars inside the attaching table are distributed in a staggered manner.

The beneficial effects of the utility model are as follows:

according to the utility model, the plurality of attaching tables are arranged on the periphery of the tower and are connected with the attaching tables and the tower through the steel wire ropes, the traction force in a plurality of directions is formed on the periphery of the tower, after the tower is built, when the tower is pressurized in any direction by typhoons, the attaching tables which are equidistantly arranged on the periphery of the tower and fixed on the ground are connected with the tower through the steel wire ropes, in the embodiment, the attaching tables are provided with the plurality of attaching tables, the tower is pulled from four directions, so that the resultant force of the tower is downward, when the tower is stressed on one side, the three steel wire ropes adjacent to the force applying direction can apply reverse traction force to the tower, meanwhile, the traction force of the tower can be dispersed, and further the stability of the tower is enhanced, meanwhile, the pulleys connected with the steel wire ropes are arranged on the tower, when the tower is stressed by super strong wind, the pulleys slide on the steel wire ropes, a recoverable safety zone is provided for the tower when the upper part of the tower is offset, and when the wind pressure of the tower is eliminated, the pulleys can slide and then the tower can recover, and the tower can be in a recoverable state, and further, and the working space can be installed in a limited working area.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a reinforcing apparatus for preventing typhoon attachment of a large-scale tower crane according to the present utility model.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic structural view of a lock plate and hook for a large tower crane typhoon adhesion preventing reinforcing device.

Fig. 4 is an enlarged schematic view of region B in fig. 3.

Fig. 5 is a schematic view of a connection structure between a locking plate and a hook in another embodiment of a reinforcing apparatus for preventing typhoon attachment of a large tower crane according to the present utility model.

Fig. 6 is a schematic view of an exploded construction of an attachment station according to the present utility model.

Fig. 7 is a schematic top view of a reinforcing apparatus for preventing typhoon attachment of a large-scale tower crane according to the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The conventional tower crane attaching device is a steel wall attaching piece and is rigidly connected with a main body structure in a pre-buried mode, but because large-scale steel structure system building is generally constructed by using a large-scale tower crane, the main body steel components are diversified in modeling, the tower crane wall attaching distance is overlarge, special customization and the like are required for special-shaped wall attaching pieces, the realization of rigid attachment of the tower crane is restricted, and the tower crane on a construction site is difficult to attach, so that the following technical scheme is disclosed in order to solve the technical problems:

referring to fig. 1-4 and 6-7, a reinforcing apparatus for preventing typhoon adhesion of a large-scale tower crane, comprising: a tower 1 vertically fixed on the ground; a plurality of pulleys 2 arranged in an annular array in the radial direction of the middle upper part of the tower 1; a plurality of attaching tables 3 which are arranged in an annular array manner in the radial direction of the bottom of the tower 1, wherein the attaching tables 3 are embedded and fixed on the ground; a lock 4 fixedly mounted above the attachment table 3; and the two ends of the steel wire rope 5 are locked on the locking piece 4, and the steel wire rope 5 is wound on the pulley 2.

After the tower 1 is built, when the typhoon presses the tower 1 in any direction, the attaching tables 3 which are equidistantly arranged around the tower 1 and fixed on the ground are connected with the tower 1 through the steel wire ropes 5, in the embodiment, the attaching tables 3 are provided with 4 attaching tables, the tower 1 is pulled from four directions, and the resultant force of the tower 1 is downward, so when the tower 1 is stressed on one side, three steel wire ropes 5 which are adjacent in the force application direction can apply reverse traction force to the tower 1, meanwhile, the three steel wire ropes 5 can disperse the traction force, so that the stability of the tower 1 is enhanced, meanwhile, the pulley 2 connected with the steel wire ropes 5 is arranged on the tower 1, when the tower 1 is subjected to super-strong wind, the pulley 2 can slide on the steel wire ropes 5, a recoverable safety zone is provided for the upper part of the tower 1, after the typhoon pressure is eliminated, the pulley 2 can slide, and then the tower 1 can recover to the original state.

In this embodiment, the base of the pulley 2 is welded and fixed on the tower 1, and the pulley 2, the wire rope 5 and the attaching table 3 are combined into one group, and 4 groups are provided in total.

To maximize the tension value, the pulley 2 is not placed at a low level on the tower 1, so that the pulley 2 is placed at a position of 70% -75% of the height of the tower 1, if the placement level is lower than 70%, the traction force provided by the wire rope 5 can resist approximately 9-10 typhoons when the top of the tower 1 is stressed, and the traction force provided by the pulley 2 placed at a level greater than 70% can resist approximately 12-13 typhoons, and if the placement level is greater than 75%, the pulley 2 can resist approximately 13-14 typhoons, but the placement position of the bottom attachment table 3 needs to be further enlarged, and is more difficult to place in a work area with limited space, and the lifting thereof is extremely limited and is easy to interfere with the normal operation of the upper boom, and preferably, the pulley 2 is welded at 75% of the height of the tower 1 in this embodiment.

In this embodiment, the pulley 2 is a cast iron pulley having a diameter of 400 mm.

In order to ensure that the stability of the wire rope 5 during the pulling of the tower 1 is maximized when the tower 1 is installed in a working area with limited space, in which the pulling rope can provide the tower 1 with a pulling force that is approximately resistant to 12-13 typhoons, in which the wire rope 5 preferably comprises a wire rope with a diameter of 10mm, in this embodiment a wire rope with a phosphating coating, in which the wire rope 5 is maximally stable during the pulling of the tower 1, in a working area with limited space.

In order to achieve the above-mentioned tower 1 against high-grade typhoons, it is necessary to further strengthen the fixation of the attachment platform 3 to the ground, so that the attachment platform 3 includes a lower lock sleeve 31 and an upper attachment platform 32 fixedly installed above the lower lock sleeve 31, an embedded sleeve 321 is provided below the upper attachment platform 32, an external thread is provided on an outer ring of the embedded sleeve 321, the lower lock sleeve 31 is provided with an internal and external thread, the lower lock sleeve 31 is embedded in the ground deeply, the embedded sleeve 321 is screwed on an upper portion of the lower lock sleeve 31, a stable downward pulling force is provided for the upper attachment platform 32 fixedly installed above the lower lock sleeve 31 through the lower lock sleeve 31 embedded in the ground deeply, meanwhile, the vertically installed lower lock sleeve 31 basically adopts a cylinder barrel, when the upper side pulling force is applied to the upper lock sleeve 31, surrounding concrete or soil also provides a lateral auxiliary pushing force to assist to disperse the tensile force of the lower lock sleeve 31, so that the lower lock sleeve 31 is balanced as far as possible, and the lower lock sleeve 31 is effectively prevented from being pulled out. Wherein, lower lock sleeve 31 embedding ground degree of depth is not less than 1.5m, and in this embodiment, lower lock sleeve 31 embedding ground degree of depth is 2m, and lower lock sleeve 31 and pre-buried cover 321 all adopt the alloy steel that hardness is higher to make, and upper attachment platform 32 adopts C30 concrete placement, and inside crisscross has the reinforcing bar, and pre-buried cover 321 is pre-buried in upper attachment platform 32 below, and with inside reinforcing bar welding.

After the firmness of the attaching table 3 is stable, the connection firmness of the attaching table 3 and the locking piece 4 can be further enhanced, the situation that the connection position of the attaching table 3 and the locking piece 4 is broken due to overlarge pulling force is avoided, so the locking piece 4 comprises a locking disc 41, a hook piece 42 on the locking disc 41 is locked, one end of the hook piece 42, far away from the locking disc 41, is sleeved on the steel wire rope 5, the hook piece 42 comprises a locking piece 421 and connecting rods 433 symmetrically arranged at two ends of the locking piece 421, the locking piece 421 is transversely and vertically provided with through holes 422, the two ends of the locking piece are vertically fixedly connected with the connecting rods 433 in the through holes 422, and the connecting rods 433 are fixedly connected with the steel wire rope 5. Through set up the connecting rod 433 that one end has the ring at the piece 421 both ends, be close to lock plate 41 with it together install when lock plate 41 installs and fix on attaching table 3, the connecting rod 433 is installed in the piece 421 with the vertical through hole 422 that has the internal screw thread through the other end that has the external screw thread, and the connecting rod 433 of being connected with wire rope 5 passes the round hole on the connecting rod 433 through wire rope 5, install the connecting rod 433 in the vertical through hole 433 of piece 421 other end again.

The transverse through hole in the middle of the locking piece 421 can enable the connecting rod 433 to have sufficient insertion space when being screwed into the locking piece 421, so that the connection stability of the two can be enhanced.

In addition, after the steel wire rope 5 passes through the round hole on the connecting rod 433, the steel wire rope 5 is connected end to end, as shown in fig. 4, binding is performed through a plurality of connecting pieces 6, first two wires of the steel wire rope 5 are folded together through the U-shaped piece 61, and the folded steel wire rope 5 is received and pressed through the clamping piece 62 with the arc-shaped groove, two rod head parts with external threads at the opening of the U-shaped piece 61 penetrate through the clamping piece 62, and the nut matched with the rod head parts is screwed, in the process of screwing the nut, the clamping piece 62 continuously enhances the pressing force on the steel wire rope 5, meanwhile, the stability of the end to end connection of the steel wire rope 5 is also continuously enhanced, and through the installation of the plurality of connecting pieces 6, the connection strength of the steel wire rope 5 can be enough to support the tensile force, in the present embodiment, 4 connecting pieces 6 are arranged in a single group, and in other embodiments can be additionally arranged according to requirements.

In the present embodiment, the lock collar 41 is fixed to the attaching table 3 by a plurality of long bolts, specifically: the lock collar 41 comprises a connecting piece 411, the connecting piece 411 is fixed above the attaching table 3 through bolts, a protruding portion 412 is arranged in the middle of the connecting piece 411, a lock ring 413 is crimped below the protruding portion 412, and the lock ring 413 is connected with a connecting rod 433. Through cup jointing the lock collar 413 in the ring on the connecting rod 433, paste the lock collar 413 in bellying 412 below again, make connection piece 411 and attach the laminating of platform 3 upper portion, insert the long bolt behind the connection piece 411 deeply and attach in the platform 3, in this embodiment, the long bolt is expansion bolts, adopts the alloy steel that hardness is higher to make at lock plate 41.

Example 2

Referring to fig. 5, this embodiment is substantially the same as embodiment 1 except that: the lock disk 41 comprises a lock ring 414, wherein the lock ring 414 is embedded and installed inside the attaching platform 3, and the lock ring 414 is staggered with the steel bars 33 inside the attaching platform 3. The lock ring 414 is sleeved in the circular ring on the connecting rod 433, then the upper opening of the lock ring 414 is welded and sealed again, the lock ring 414 is placed inside the attaching platform 3 and is staggered with the internal reinforcing steel bars 33, and then the attaching platform 3 is poured, so that the lock ring 414 forms an embedded state, and the stability of the lock ring is further improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A device for reinforcing a large tower crane against typhoon adhesion, comprising:

a tower (1) vertically fixed on the ground;

a plurality of pulleys (2) which are arranged in the radial direction at the upper middle part of the tower (1) in an annular array manner;

a plurality of attaching tables (3) which are arranged at the bottom of the tower table (1) in a radial direction in an annular array manner, wherein the attaching tables (3) are embedded and fixed on the ground;

a lock (4) fixedly arranged above the attaching table (3);

and the two ends of the steel wire rope (5) are locked on the locking piece (4), and the steel wire rope (5) is wound on the pulley (2).

2. The reinforcing device for preventing typhoons of a large tower crane according to claim 1, wherein the pulley (2) is arranged at a position 70% -75% of the height of the tower crane (1).

3. The reinforcing device for preventing typhoon adhesion of a large tower crane according to claim 1, wherein the steel wire rope (5) is a steel wire rope with a diameter of 10mm and a phosphorized coating.

4. A reinforcing apparatus for preventing typhoons in a large tower crane according to claim 1 or 3, characterized in that the vertical angle between the steel wire rope (5) and the tower (1) is 45 ° -60 °.

5. The typhoon-preventing attachment reinforcing device for a large tower crane according to claim 1, wherein the attachment table (3) comprises a lower lock sleeve (31) and an upper attachment table (32) fixedly arranged above the lower lock sleeve (31), an embedded sleeve (321) is arranged below the upper attachment table (32), an external thread is arranged on an outer ring of the embedded sleeve (321), an internal thread and an external thread are arranged on the lower lock sleeve (31), the lower lock sleeve (31) is deeply embedded in the ground, and the embedded sleeve (321) is screwed on the upper part of the lower lock sleeve (31).

6. The typhoon adhesion preventing and reinforcing device for a large tower crane according to claim 1, wherein the locking piece (4) comprises a locking disc (41), a hook piece (42) locked on the locking disc (41), one end of the hook piece (42) away from the locking disc (41) is sleeved on the steel wire rope (5), the hook piece (42) comprises a locking piece (421) and connecting rods (433) symmetrically arranged at two ends of the locking piece (421), the locking piece (421) is transversely and vertically provided with through holes (422), connecting rods (433) are fixedly connected inside the through holes (422) at two ends, and the connecting rods (433) are fixedly connected with the steel wire rope (5).

7. The reinforcing device for preventing typhoon adhesion of large-scale tower cranes according to claim 6, wherein the lock disc (41) comprises a connecting sheet (411), the connecting sheet (411) is fixed above the attaching table (3) through bolts, a protruding part (412) is arranged in the middle of the connecting sheet (411), a lock ring (413) is crimped below the protruding part (412), and the lock ring (413) is connected with the connecting rod (433).

8. The reinforcing device for preventing typhoon adhesion of large-scale tower cranes according to claim 6, wherein the lock disc (41) comprises lock rings (414), the lock rings (414) are embedded and installed inside the attaching table (3), and the lock rings (414) are staggered with the steel bars (33) inside the attaching table (3).