CN207244453U - A kind of suspension bridge light anchorage mast apparatus - Google Patents

Abstract

The utility model provides a light-duty anchorage gantry device for a suspension bridge, which comprises a loose cable saddle pier, two facade truss structures and a beam. The upper ends of the façade truss structure are connected by beams, and working platforms are provided at both ends of the beams. The façade truss structure includes long columns, short columns, short parallels and long parallels. The lower end of the column is fixed on the pier of the loose cable saddle, and the lower end of the short column is fixed on the anchor wall on the pier of the loose cable saddle. The structure of this device is simple and easy to assemble, which can not only meet the requirements of on-site hoisting, but also facilitate transportation, installation and processing, realize simplified construction and installation, have sufficient strength, meet the construction needs of each stage of suspension superstructure construction, and provide work for superstructure construction The platform saves a lot of steel compared with the traditional anchor ingot.

Description

Lightweight anchorage gantry device for suspension bridge

technical field

The utility model belongs to the field of bridge construction, in particular to a light-type anchorage door frame device for a suspension bridge.

Background technique

The functions of the traditional suspension bridge anchor gantry include: hoisting, translation and positioning of loose cable saddles, supporting and steering during the catwalk traction system and catwalk gantry load-bearing cable erection process, and also including linear adjustment of catwalk load-bearing cables, Provides the main working platform when the catwalk load-bearing cables are removed. In all stages of installation and construction of the suspension bridge superstructure, the role of the portal frame can be fully utilized. Among the many functions of the anchor gantry, the hoisting, translation, and in-position construction operations of the loose cable saddle have higher requirements on the structural strength of the gantry due to the larger tonnage of the loose cable saddle. The traditional anchor gantry design is more complicated and uses more steel materials. If other techniques can be used to lift and install the loose cable saddle in place, the structure of the anchor gantry can be greatly simplified, and the simplified anchor gantry can still meet the supporting steering function or provide a working platform.

Utility model content

In order to overcome the problem that the traditional anchor gantry design is more complex and uses more steel, the utility model provides a light-weight anchor gantry device for suspension bridges. The device is simple and easy to assemble, and the structure design is reasonable and simple, which can meet the construction requirements of the upper structure of the suspension cable. According to the construction needs of each stage, it provides a working platform for the upper construction, and can save a lot of steel compared with the traditional anchor.

The technical scheme that the utility model adopts is:

A light-type anchorage gantry device for a suspension bridge, comprising a scatter-cable saddle pier, two façade truss structures and beams, the lower end of the façade truss structure is connected to a pre-embedded part on the scatter-cable saddle pier, and the two The upper ends of the façade truss structure are connected by beams, and working platforms are provided at both ends of the beams.

Described façade truss structure comprises long column, short column, short flat connection and long flat connection, and the upper end of described long column and short column is connected by long flat connection, and beam is fixed on long flat connection, and the lower end of short column is connected with The long uprights are connected by short parallel connections, the lower end of the long uprights is fixed on the pier of the scatter saddle, and the lower end of the short uprights is fixed on the anchor wall on the pier of the scatter saddle.

Diagonal braces are arranged between the long columns and the long flat joints, and diagonal braces are also provided between the short vertical columns and the long flat joints.

A corbel is arranged under the working platform, and the corbel is connected with the beam and is located on the same horizontal plane.

A corbel support is provided between the corbel horizontal brace and the short column and the long column.

The facade truss structure is connected with the embedded parts on the scatter saddle pier through anchor bolts.

There are four beams.

The beneficial effects of the utility model are:

The utility model adopts the provided light anchor gantry device to play an important role in the construction of the upper structure of the suspension bridge. The gantry device has a simple structure and is easy to assemble, which can not only meet the requirements of on-site hoisting. It is also convenient for transportation, installation and processing, which simplifies construction and installation. The structure has sufficient strength to meet the construction needs of each stage of suspension superstructure construction and provide a working platform for superstructure construction. Compared with traditional anchors, it can save a lot steel.

Further description will be made below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 Schematic diagram of the structure elevation of the utility model.

Fig. 2 A-A sectional view of the structure of the utility model.

Fig. 3 B-B sectional view of the structure of the utility model.

In the figure: 1. Long column; 2. Short column; 3. Short flat connection; 4. Diagonal brace; 5. Embedded parts; 6. Long flat connection; 7. Corbel diagonal brace; 8. Working platform; Corbel cross brace; 10, beam.

Detailed ways

Example 1:

In order to overcome the problem that the traditional anchor gantry design is more complex and uses more steel, the utility model provides a light anchor gantry device for a suspension bridge as shown in Figure 1. The device is simple and easy to assemble, and the structure design is reasonable and simple. It meets the construction needs of each stage of the suspension superstructure construction, provides a working platform for the superstructure construction, and can save a lot of steel compared with the traditional anchor.

A light anchorage gantry device for a suspension bridge, comprising a scatter-cable saddle pier, two façade truss structures and a beam 10, the lower end of the façade truss structure is connected to the embedded part 5 on the scatter-cable saddle pier, the The upper ends of the two façade truss structures are connected by crossbeams 10 , and work platforms 8 are provided at both ends of the crossbeams 10 .

In this embodiment, the façade truss structure is welded in the processing factory before the gantry is installed, and it is hoisted in place as a whole when the gantry is installed, and connected with the embedded part 5 on the sling saddle pier. After the façade truss structure is installed, the beams 10 are connected, and finally the working platform 8 is constructed. Complete the assembly of the utility model suspension bridge light anchorage gantry device.

This utility model plays an important role in the construction of the upper structure of the suspension bridge. The portal frame device has a simple structure and is easy to assemble, which can meet the requirements of on-site hoisting. It is also convenient for transportation, installation and processing, which simplifies construction and installation. The structure has sufficient strength to meet the construction needs of each stage of suspension superstructure construction and provide a working platform for superstructure construction. Compared with traditional anchors, it can save a lot steel.

Example 2:

Based on the above embodiments, in this embodiment, the facade truss structure includes long columns 1, short columns 2, short parallels 3 and long parallels 6, and the upper ends of the long columns 1 and short columns 2 are Connected by the long flat joint 6, the crossbeam 10 is fixed on the long flat joint 6, the lower end of the short column 2 is connected with the long vertical column 1 by a short flat joint 3, and the lower end of the long vertical column 1 is fixed on the pier of the scatter saddle, The lower end of the short column 2 is fixed on the anchor wall on the scatter saddle pier.

A diagonal brace 4 is provided between the long column 1 and the long parallel link 6 , and a diagonal brace 4 is also provided between the short column 2 and the long parallel link 6 .

As shown in FIG. 2 , a corbel 9 is arranged under the working platform 8 , and the corbel 9 is connected with the beam 10 and is located on the same horizontal plane.

A corbel support 7 is arranged between the corbel cross brace 9 and the short column 2 and the long column 1 .

The facade truss structure is connected with the embedded part 5 on the pier of the loose cable saddle through anchor bolts.

As shown in FIG. 3 , in this embodiment, there are four beams 10 . The upper ends of the two façade truss structures are connected by four beams, which is safe and reliable.

As shown in Figures 1 and 2, a light-duty anchorage gantry device for a suspension bridge at least includes a facade truss structure connected with a beam 10 by bolts, and the facade truss structure includes a long column 1, a short column 2, a short Pinglian 3, Changpinglian 6, Diagonal brace 4. The beam 10 is connected to the façade truss structure through connecting plate bolts. It also includes working platforms 8 on both sides. The lower part of the working platform 8 is supported by corbel diagonal braces 7 and corbel cross braces 9, and the upper part is laid with channel steel longitudinal beams, beams, guardrails, etc.

During the erection of the main cable, two guide wheels are installed under the beam 10 of the anchor gantry to provide support and steering function for the wire rope of the main cable traction system; The load-bearing cable-turning saddle of the portal frame provides support and steering function for the load-bearing cable of the catwalk portal frame; during the demolition construction of the catwalk, an 8t winch is placed on the beam of the catwalk portal frame and the hoist on the top of the tower to form a lifting and lateral movement system for the catwalk load-bearing cable removal , and provide a working platform 8 for the removal of catwalk load-bearing cables.

The utility model adopts the provided light anchor gantry device to play an important role in the construction of the upper structure of the suspension bridge. The gantry device has a simple structure and is easy to assemble, which can not only meet the requirements of on-site hoisting. It is also convenient for transportation, installation and processing, which simplifies construction and installation. The structure has sufficient strength to meet the construction needs of each stage of suspension superstructure construction and provide a working platform for superstructure construction. Compared with traditional anchors, it can save a lot steel.

The above examples are only illustrations of the utility model, and do not constitute a limitation to the protection scope of the utility model. All designs identical or similar to the utility model all belong to the protection scope of the utility model.

Claims (1)

1. A kind of 1. suspension bridge light anchorage mast apparatus, it is characterised in that：Including dissipate cable saddle buttress, two facade truss structures and Crossbeam（10）, the built-in fitting on the facade truss structure lower end and scattered cable saddle buttress（5）Connection, described two facade truss knots Structure upper end passes through crossbeam（10）Connection, crossbeam（10）Both ends are both provided with workbench（8）；The facade truss structure includes Long column（1）, short column（2）, short lateral（3）With long lateral（6）, the long column（1）With short column（2）Upper end pass through length Lateral（6）Connection, crossbeam（10）It is fixed on long lateral（6）On, short column（2）Lower end and long column（1）Between by short flat Connection（3）Connection, the long column（1）Lower end is fixed on scattered cable saddle buttress, the short column（2）Lower end is fixed on scattered cable saddle branch On anchor wall on pier；The long column（1）With long lateral（6）Between be equipped with diagonal brace（4）, short column（2）With long lateral（6）Also set There is diagonal brace（4）；The workbench（8）Have bracket stull（9）, the bracket stull（9）With crossbeam（10）Connection, and position In in same level；The bracket stull（9）With short column（2）With long column（1）Between be equipped with corbels support（7）；Institute State facade truss structure and the built-in fitting on scattered cable saddle buttress（5）Connected by foundation bolt；The crossbeam（10）For four.