CN211368423U - Stay cable tower top lifting traction operation platform - Google Patents

Abstract

The utility model discloses an inclined-stayed cable tower top lifting and traction operation platform, which relates to the technical field of bridge engineering. The utility model comprises a pre-embedded steel plate, a threaded sleeve, a screw rod and a connecting leg, which are pre-embedded at the top of the tower symmetrically at intervals. The connecting leg is connected to the bottom end plate lying on the top of the tower. , Weld the cantilever brackets on both sides respectively, and weld the beam on the top of the cantilever bracket; at the same time, the two ends of the beam and the cantilever bracket are strengthened by the vertical connection of the cantilever pole and the cantilever diagonal brace, and the middle of the beam and the bottom end plate are connected by the pole, Diagonal support, connection and fixed connection. The utility model solves the problem that large-scale hoisting equipment cannot be installed due to the limited space at the top of the tower. The bracket system of the operating platform is connected by the embedded components, and the power device is installed to solve the lifting and pulling of the stay cable. The connection mode of each component can be riveted or welded. , which greatly reduces the cost investment, and has the characteristics of not occupying the space in the tower, convenient disassembly and assembly, and good structural stability.

Description

Cable-stayed tower top lift traction operation platform

technical field

The utility model belongs to the technical field of bridge engineering, in particular to an operation platform used for the lift and traction of stay cables on the top of a cable tower.

Background technique

At present, the tower end hanging of stay cables mostly adopts tower cranes and other large-scale mechanical equipment. The usual practice is to install tower cranes or brackets next to the main tower to complete the hoisting work of the stay cables, and the approach, assembly, and erection of brackets of mechanical equipment, etc. It takes a lot of time and the cost is high. At the same time, if the main tower of the bridge is located in Hanoi and adjacent to the expressway, the tower crane cannot be used, which will bring a lot of inconvenience to the construction of the stay cables.

The tower top bracket is to use the tower top embedded parts to set up the operating platform and provide high-altitude lifting points. Generally, when the top of the tower is closed and the tower is poured, the embedded parts are positioned and embedded according to the external dimensions of the steel support. After the top of the tower is capped, the tower top support is lifted to the top of the tower and the embedded parts by a tower crane. connect. The tower top bracket, as the outer platform of the tower, should maintain sufficient strength and support stability. The construction platform of the traditional tower top bracket has only two supporting feet, and the two supporting feet are installed on the top of the tower column from two opposite directions, and the stability of the construction platform is not good.

In view of these problems encountered in the actual engineering of the tower top operating platform erection, it is necessary to develop a tower top lifting traction operating platform with high construction efficiency, good economy and strong stability. developed.

Utility model content

The purpose of the utility model is to solve the problems of high cost of hanging equipment at the tower end of the cable-stayed bridge, poor stability of the tower top lifting traction operation platform and the like.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

An inclined-stayed cable tower top lifting traction operation platform is installed on the upper part of the tower body, comprising:

Pre-embedded steel plates, pre-embedded steel plates are pre-buried on both sides of the upper part of the tower body, and several threaded sleeves are installed on the pre-embedded steel plates;

The bottom end plate is lying on the top of the tower body at intervals, and connecting legs are installed on both sides of the bottom end plate, and the connecting legs are connected with screws corresponding to the threaded sleeves;

The cantilever bracket is installed on both sides of the upper part of the tower body through embedded steel plates, a beam is welded between each two opposite cantilever brackets, and a number of traction devices are installed on the beam.

Optionally, a frame plate is provided between the cantilever bracket and the embedded steel plate as a connecting pad.

Optionally, a plurality of longitudinal beams are installed between the plurality of transverse beams.

Optionally, a cantilever pole and a cantilever diagonal brace are installed between the two ends of the beam and the cantilever bracket.

Optionally, a vertical pole and a diagonal brace are installed between the middle part of the beam and the bottom end plate.

Optionally, a parallel connection is installed between every two horizontally adjacent vertical poles.

Optionally, a horizontal connecting rod is installed between every two longitudinally adjacent vertical rods.

Optionally, cross-arranged side diagonal braces are installed between every two adjacent cantilever brackets.

Optionally, a middle beam is installed between every two adjacent cantilever brackets.

Optionally, the traction device is a hoist.

The embodiment of the present utility model has the following beneficial effects:

1. An embodiment of the present utility model solves the problem that the space at the top of the tower cannot be installed with large-scale hoisting equipment. The support system of the operating platform is connected by the embedded components, and the power device is installed to solve the lifting and traction of the stay cable.

2. Compared with hoisting measures such as installing tower cranes or brackets, an embodiment of the present invention saves costs and time costs, and has the characteristics of less space in the tower and convenient disassembly and assembly.

3. In one embodiment of the present utility model, the tower top is pre-embedded with connecting members, and the bottom end plate is installed, which increases the statically indeterminate times of the support system and enhances the stability of the structural system.

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the front view of the operation platform of the utility model embodiment;

Fig. 2 is the side view of the operating platform of the embodiment of the present utility model;

Fig. 3 is the top view of the operating platform of the embodiment of the present utility model;

Fig. 4 is the enlarged schematic diagram of the structure at place A in Fig. 1;

In the accompanying drawings, the list of components represented by each number is as follows:

1. Tower body, 2. Bottom end plate, 3. Cantilever bracket, 4. Upright pole, 5. Beam, 6. Flat joint, 7. Diagonal brace, 8. Cantilevered pole, 9. Cantilevered diagonal brace, 10. Winch, 11. Bolt group, 12. Pre-embedded steel plate, 13. Sash plate, 14. Threaded sleeve, 15. Screw, 16. Connecting leg, 17. Longitudinal beam, 18. Middle beam, 19. Side Diagonal brace, 20. Horizontal link.

Detailed ways

The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside", etc. indicate orientation or positional relationship, and are only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the components or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and well-known components.

Please refer to FIG. 1 , in this embodiment, a cable-stayed tower top lifting and traction operation platform is provided, which is installed on the top of the tower body 1 and includes: pre-embedded steel plates 12 pre-embedded on the top of the tower symmetrically at intervals, screw threads The sleeve 14, the screw 15, and the connecting legs 16. In this embodiment, the pre-embedded steel plates 12 are pre-buried on both sides of the upper part of the tower body 1, the threaded sleeve 14 is arranged on the pre-embedded steel plate 12, and the top of the tower body 1 is spaced apart from each other. A plurality of bottom end plates 2 are placed horizontally. The two sides of the bottom end plate 2 are provided with connecting legs 16. The connecting legs 16 are connected with screws 15 corresponding to the threaded sleeves 14. The two sides of the bottom end plate 2 pass through the screws 15. Connect the embedded steel plate 12, the bottom end of the bottom end plate 2 is fixed on the top of the tower body 1 through the bolt group 11, the embedded steel plate 12 uses the sash plate 13 as a gasket, and the cantilever brackets 3 on both sides are symmetrically welded respectively. The top end of the cantilever bracket 3 is welded to the same beam 5 .

In one aspect of this embodiment, the two ends of the beam 5 and the cantilever bracket 3 are connected and strengthened vertically by the cantilever vertical rod 8 and the cantilever diagonal brace 9, and the middle of the horizontal beam 5 and the bottom end plate 2 are strengthened by the vertical rod 4, the diagonal bracing 7 The connection is fixed.

In one aspect of this embodiment, the adjacent cantilevered brackets 3 are reinforced by the middle beams 18 and the crossed side diagonal braces 19 .

In one aspect of this embodiment, the transverse beam 5 and the longitudinal beam 17 are vertically connected on the horizontal plane, the horizontally adjacent vertical rods 4 are connected and strengthened by the parallel connection 6, and the longitudinally adjacent vertical rods 4 are connected and strengthened by the horizontal connecting rod 20. Specifically, in this embodiment, a parallel link 6 is installed between every two horizontally adjacent vertical rods 4 , and a horizontal connecting rod 20 is installed between every two longitudinally adjacent vertical rods 4 .

In one aspect of this embodiment, several winches 10 are mounted on the beam 5 .

In one aspect of this embodiment, as shown in FIG. 4 , the embedded steel plate 12 is provided with a threaded sleeve 14 , the threaded sleeve 14 is connected to the screw rod 15 , and the bottom of the screw rod 15 is provided with a connecting leg 16 .

An aspect of the application of this embodiment is:

Install the embedded components at the top of the tower: Before the top of the tower body 1, install the embedded steel plate 12, the threaded sleeve 14, the screw 15, and the connecting legs 16 symmetrically at intervals. In the order of each pre-embedded steel plate 12, the bottom end plates 2 are placed horizontally in the inner cavity of the top of the tower body 1 at intervals. The screw 15 on the 16 is connected to the pre-embedded steel plate 12 , and the bottom end of the bottom end plate 2 is fixed to the top of the tower body 1 through the bolt group 11 .

Install the upper bracket of the lifting and traction operation platform on the top of the tower: use the bolt group 11 to connect the vertical rod 4 and the diagonal brace 7 to the bottom end plate 2, and then weld the flat connection 6 and the horizontal connecting rod 20 between the vertical rods 4; use welding or bolt connection The sash plate 13 is connected with the embedded steel plate 12 in the following way, and then the cantilever bracket 3 , the cross beam 5 , the longitudinal beam 17 , the cantilever vertical rod 8 , the cantilever diagonal brace 9 , and the side diagonal brace 19 are welded in sequence.

The above-described embodiments may be combined with each other.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. A cable-stayed cable tower top lift traction operation platform is installed on the upper part of the tower body (1), it is characterized in that, comprises: a pre-embedded steel plate (12), the pre-embedded steel plate (12) is pre-embedded on both sides of the upper part of the tower body (1), and a plurality of threaded sleeves (14) are installed on the pre-embedded steel plate (12); The bottom end plate (2) is lying on the top of the tower body (1) at intervals, and connecting legs (16) are installed on both sides of the bottom end plate (2), and the connecting legs (16) are connected to each other. There is a screw (15) corresponding to the threaded sleeve (14); Cantilever brackets (3), the cantilever brackets (3) are installed on both sides of the upper part of the tower body (1) through pre-embedded steel plates (12), and a beam (5) is welded between every two opposite cantilever brackets (3). , a number of traction devices are installed on the beam (5). 2. A cable-stayed tower top lifting traction operation platform according to claim 1, characterized in that a frame plate (13) is arranged between the cantilever bracket (3) and the embedded steel plate (12). 3. The cable-stayed tower top lifting traction operation platform according to claim 1, wherein a plurality of longitudinal beams (17) are installed between the plurality of transverse beams (5). 4. A cable-stayed tower top lifting traction operation platform according to any one of claims 1-3, characterized in that a cantilever stand is installed between both ends of the beam (5) and the cantilever bracket (3). Rod (8), cantilever diagonal brace (9). 5. A cable-stayed tower top lifting traction operation platform according to any one of claims 1-3, wherein a vertical rod (4) is installed between the middle part of the beam (5) and the bottom end plate (2). ), diagonal brace (7). 6. The cable-stayed tower top lifting and traction operation platform according to claim 5, characterized in that a parallel link (6) is installed between every two laterally adjacent vertical rods (4). 7. A cable-stayed tower top lifting traction operation platform according to claim 5, characterized in that a horizontal connecting rod (20) is installed between every two longitudinally adjacent vertical rods (4). 8. A cable-stayed tower top lifting and pulling operation platform according to any one of claims 1-3, characterized in that a cross-arranged side diagonal brace is installed between every two adjacent cantilever brackets (3). (19). 9. A cable-stayed tower top lifting traction operation platform according to any one of claims 1-3, characterized in that a middle beam (18) is installed between every two adjacent cantilever brackets (3). 10. The cable-stayed tower top lifting traction operation platform according to any one of claims 1-3, characterized in that the traction device is a hoist (10).

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