CN210856953U - Tower for hoisting construction of steel arch frame support-free cable - Google Patents

Abstract

The utility model discloses a tower for steel arch support cable hoisting construction, which comprises an assembled frame body, a frame body base for installing the bottom of the assembled frame body and an arch support temporary fixing mechanism for temporarily fixing the assembled steel arch support, wherein the frame body base is horizontally arranged and is arranged along the transverse bridge direction; the front end and the rear end of each arch rib are respectively supported on a permanent support, the support base is horizontally supported on the permanent support, and the assembled support comprises two vertical support frames which are symmetrically arranged at the left side and the right side. The utility model has the advantages of simple structure and reasonable design and the dismouting is simple and convenient, excellent in use effect, utilizes the hunch seat of the formula arch bridge arch rib of taking over of being under construction as the pylon basis to install assembled support body bottom on the support body base with articulated mode, during the actual installation only need with the support body base steady install on the pylon basis can, the actual installation is simple and convenient, firm, the installation degree of difficulty is low, and it is less to occupy construction space.

Description

Tower for hoisting construction of steel arch frame support-free cable

Technical Field

The utility model belongs to the technical field of bridge cable crane construction, concretely relates to pylon is used in steel bow member non-support cable hoist and mount construction.

Background

The deck arch bridge is a bridge with bridge deck set over the main bearing structure of the bridge span, and the arch abutment transfers the thrust of the end of the arch rib (also called arch end) to the component of the bedrock and is located at the joint between the two ends of the arch bridge and the bedrock. The abutments used to support the ribs are permanent abutments which are typically reinforced concrete structures supported on bedrock. When a deck box-type arch bridge with reinforced concrete box girders as arch ribs is constructed, the arch ribs are usually cast-in-place by using steel arches which are pre-erected in place. And after the arch rib is cast and molded, dismantling the steel arch frame.

Nowadays, the adopted steel arch frames are all three-dimensional steel trusses which are assembled by a plurality of straight rod pieces. A cable crane (also called a cable crane or a cable crane) is a special type of hoisting equipment, has many unique advantages, is not limited by climate and terrain, can perform functions that other hoisting machinery cannot perform under specific conditions, and is widely used in engineering construction. The highway and the railway bridge often meet the situation that supports cannot be erected or hoisting machinery cannot be adopted for construction when crossing a heavy mountain area, due to the fact that the cost for constructing an access road in the mountain area is too high, the construction technology difficulty for erecting the supports in rivers and lakes is high, the inconvenience in traffic dispersion caused by crossing existing lines is caused, and the like, cable hoisting becomes the most economical and reasonable scheme selection in highway and railway construction, and particularly has a larger development space for bridge construction technology research on the basis of crossing rivers, cliffs, rivers, lakes and the like and crossing existing lines.

When the cable hoisting method is adopted to assemble and erect the steel arch centering of the deck arch bridge, the construction operation is relatively random, no unified and standard construction method can be followed, and in addition, the steel truss has large volume and weight and large assembly difficulty of the steel truss. The cable crane is a key construction device for safely and smoothly completing the steel arch support-free cable hoisting, the tower is a main body of the cable crane, when the cable crane is adopted for splicing and erecting the steel arch support, the bearing capacity and the supporting stability of the tower need not meet the requirement of support hoisting for the steel arch support, and meanwhile, the tower also needs to meet the fixing requirement of temporarily fixing the steel arch support splicing section in place for hoisting. In addition, in order to ensure the bearing capacity and the supporting stability of the tower, a special tower foundation needs to be constructed, but the construction position selection difficulty of the tower foundation is higher due to the limitation of actual construction occasions and construction environment conditions on the peripheral sides, and the construction space occupied by the tower during construction is larger, so that the construction difficulty is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, a pylon is used in the construction of steel bow member non-support cable hoist and mount is provided, a structure is simple, reasonable in design and dismouting are simple and convenient, excellent in use effect, the hunch seat that utilizes the formula arched bridge arch rib of bearing of being under construction is as the pylon basis, and install assembled support body bottom on the support body base with articulated mode, only need during the actual installation with the support body base steadily install on the pylon basis can, the actual simple installation, it is firm, the installation degree of difficulty is low, and it is less to occupy the construction space.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a pylon is used in construction of steel bow member non-support cable hoist and mount which characterized in that: the steel arch temporary fixing device comprises an assembled frame body, a frame body base and an arch temporary fixing mechanism, wherein the frame body base is used for mounting the bottom of the assembled frame body, the arch temporary fixing mechanism is used for temporarily fixing an assembled steel arch, the frame body base is horizontally arranged and is arranged along the transverse bridge direction, and the assembled frame body is positioned right above the frame body base;

the assembled steel arch is a steel arch for constructing arch ribs of a constructed deck arch bridge, and the assembled steel arch is laid along the longitudinal bridge direction and is formed by splicing a plurality of arch assembling sections which are laid along the longitudinal bridge direction from front to back; the front end and the rear end of the arch rib are respectively supported on a permanent support, and the permanent support is a reinforced concrete support; the steel arch frames are horizontally arranged and are arranged along the longitudinal bridge direction, and the arch rib is a reinforced concrete arch ring; the frame body base is horizontally supported on one permanent support, and the permanent support supported by the frame body base is a tower foundation;

the assembled frame body comprises a left vertical support frame and a right vertical support frame which are symmetrically arranged, the bottoms of the two vertical support frames are supported on a frame body base, and the bottom of each vertical support frame is connected with the frame body base in a hinged mode;

the arch frame temporary fixing mechanism comprises a left group of buckling cables and a right group of buckling cables which are symmetrically arranged and temporarily fix the arch frame assembling sections which are hoisted in place in the assembled steel arch frame, and each group of buckling cables and one vertical supporting frame are arranged on the same vertical surface; each group of buckling cables comprises a plurality of buckling cables which are arranged on the same vertical surface from top to bottom, and the plurality of buckling cables are arranged along the longitudinal bridge direction; a plurality of buckling cable pulleys for installing buckling cables are distributed on each vertical supporting frame from top to bottom, all the buckling cable pulleys distributed on each vertical supporting frame are positioned on the same vertical surface, and each buckling cable is installed on one buckling cable pulley;

one end of the buckle cable is an arch frame fixing end, the other end of the buckle cable is an anchor fixing end, the arch frame fixing end is fixed on an arch frame assembling section which is hoisted in place, and the anchor fixing end is fixed on an anchor.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: two ends of the buckling cable are respectively positioned at the front side and the rear side of the assembled frame body;

the height of both ends of each buckling rope is lower than the mounting height of a buckling rope pulley mounted on the buckling rope.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: assembled support body still includes a plurality of transverse connection roof beams that lay from top to bottom, two vertical support frame is through a plurality of transverse connection roof beam connects as an organic wholely.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: the vertical support frame is a support column formed by splicing a plurality of straight rod pieces, and the support column is a cubic column; the transverse connecting beam is a horizontal connecting beam formed by assembling a plurality of straight rod pieces.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: every vertical support frame bottom all is provided with the tripod of installing on the support body base, be connected with the support body base that is located its below with articulated mode between the tripod bottom.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: a bottom distribution beam is arranged right below the frame body base, and is horizontally arranged and arranged along the transverse bridge direction; the bottom distribution beam is fixed on the tower foundation.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: the bottom distribution beam is fixed on the tower frame foundation through a plurality of anchor bolts, and the anchor bolts are vertically arranged.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: the support body base includes horizontal base and installs the articulated seat on horizontal base, horizontal base level support is on bottom distribution beam, the tripod bottom is connected with the articulated seat that is located its below with articulated mode between, horizontal base is followed the cross bridge and is to laying.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: the horizontal base is I-steel that is the level and lays together, the web of horizontal base is the level and lays, articulated seat is fixed on the web of horizontal base.

The tower for the steel arch frame bracket-free cable hoisting construction is characterized in that: the horizontal base is a sliding seat capable of horizontally moving on the bottom distribution beam along the transverse bridge direction, a guide piece for guiding the horizontal base is arranged on the bottom distribution beam, and the guide piece is horizontally arranged and is arranged along the transverse bridge direction.

Compared with the prior art, the utility model has the following advantage:

1. simple structure, reasonable in design and input construction cost are lower.

2. The actual installation is simple and convenient, and the assembled frame body is hinged with the frame body base only by fixing the bottom distribution beam at the bottom of the frame body base on a permanent support (namely a tower frame foundation).

3. The adopted support body base is simple in structure, convenient to machine and manufacture and low in investment cost, and the support body base can translate on the bottom distribution beam along the transverse bridge, so that the laying position of the tower on the permanent support can be adjusted simply and conveniently through the support body base, the position of the tower is adjustable, the adjustment is convenient, and the simple, convenient and quick hoisting requirements of a cable crane can be met.

4. The arch frame temporary fixing mechanism is arranged, the arch frame assembling sections which are hoisted in place in the assembled steel arch frame can be fastened and fixed, and the steel arch frame temporary fixing mechanism is simple and convenient to disassemble and assemble and reliable in fixing.

5. Use easy and simple to handle and excellent in use effect, treat permanent support construction completion back, just can be right on permanent support the utility model discloses install to permanent support is as the pylon basis, supports firm, reliable, and need not to construct the pylon basis in addition, and it is laborsaving time-saving to save labour, and it is little to occupy construction space simultaneously.

To sum up, the utility model has the advantages of simple structure and reasonable design and the dismouting is simple and convenient, excellent in use effect, utilizes the hunch seat of the formula arched bridge arch rib of taking over as the pylon basis of being under construction to install assembled support body bottom on the support body base with articulated mode, during the actual installation only need with the support body base steady install on the pylon basis can, the actual installation is simple and convenient, firm, the installation degree of difficulty is low to it is less to occupy construction space.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic view of the longitudinal bridge structure of the present invention.

Fig. 2 is a schematic view of the transverse bridge structure of the present invention.

Fig. 3 is a schematic view of the connection state between the tripod at the bottom of the vertical support frame and the base of the frame body.

Fig. 4 is a schematic diagram of the arrangement position of the permanent support of the present invention.

Fig. 5 is a schematic structural view of the deck arch bridge constructed by the present invention.

Fig. 6 is a schematic view of a plane structure of the assembled frame body of the present invention.

Description of reference numerals:

1-the assembled steel arch frame; 1-arch assembling segments; 2-arch rib;

3-middle beam section; 3-longitudinal support beam; 4-side beam section;

5, vertical upright posts; 6-permanent support; 7-supporting the pier stud;

7-1-vertical support frame; 7-2-transverse connecting beam; 7-3-frame base;

7-31-horizontal base; 7-32-hinged seat; 7-4-tripod;

7-41-vertical column; 7-42-side support; 7-5-internal guy cable;

7-6-cable saddle; 7-bottom distribution beam; 7-8-working cable;

7-10-buckle cable; 7-11-a rope-fastening pulley;

7-12-horizontal guide steel plate; 7-13-oblique stiffening plate; 7-14-outer cable wind cable;

7-15-a cross brace; 8-abutment; 9-anchor ingot.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present invention includes an assembled frame body, a frame body base 7-3 for mounting the bottom of the assembled frame body, and an arch frame temporary fixing mechanism for temporarily fixing the assembled steel arch frame 1, wherein the frame body base 7-3 is horizontally arranged and arranged along the transverse bridge direction, and the assembled frame body is located right above the frame body base 7-3;

the assembled steel arch 1 is a steel arch for constructing an arch rib 2 of a constructed deck arch bridge, and the assembled steel arch 1 is laid along the longitudinal bridge direction and is formed by splicing a plurality of arch assembling sections 1-1 which are laid along the longitudinal bridge direction from front to back; with reference to fig. 4 and 5, the front end and the rear end of the arch rib 2 are respectively supported on a permanent support 6, and the permanent support 6 is a reinforced concrete support; the steel arch frames are horizontally arranged and are arranged along the longitudinal bridge direction, and the arch rib 2 is a reinforced concrete arch ring; the frame body base 7-3 is horizontally supported on one permanent support 6, and the permanent support 6 supported by the frame body base 7-3 is a tower foundation; wherein, the permanent support 6 is an arch support for supporting the arch rib 2;

the assembled frame body comprises a left vertical support frame 7-1 and a right vertical support frame 7-1 which are symmetrically arranged, the bottoms of the two vertical support frames 7-1 are supported on a frame body base 7-3, and the bottom of each vertical support frame 7-1 is connected with the frame body base 7-3 in a hinged mode;

the arch frame temporary fixing mechanism comprises a left group of buckling cables 7-10 and a right group of buckling cables 7-10 which are symmetrically arranged and temporarily fix the arch frame assembling sections 1-1 which are hoisted in place in the assembled steel arch frame 1, and each group of buckling cables 7-10 and one vertical support frame 7-1 are arranged on the same vertical surface; each group of the buckling cables 7-10 comprises a plurality of buckling cables 7-10 which are arranged on the same vertical surface from top to bottom, and the plurality of buckling cables 7-10 are arranged along the longitudinal bridge direction; a plurality of buckle cable pulleys 7-11 for installing buckle cables 7-10 are distributed on each vertical support frame 7-1 from top to bottom, all the buckle cable pulleys 7-11 distributed on each vertical support frame 7-1 are positioned on the same vertical plane, and each buckle cable 7-10 is arranged on one buckle cable pulley 7-11;

one end of the buckle cable 7-10 is an arch frame fixing end, the other end of the buckle cable is an anchor spindle fixing end, the arch frame fixing end is fixed on an arch frame assembling section 1-1 which is hoisted in place, and the anchor spindle fixing end is fixed on an anchor spindle 9.

As shown in fig. 4, two ends of the lanyard 7-10 are respectively positioned at the front side and the rear side of the assembled frame body;

the heights of both ends of each of the two buckle cables 7-10 are lower than the mounting height of a buckle cable pulley 7-11 mounted on the buckle cable 7-10. Therefore, each buckling cable 7-10 is in an inverted V shape, the arch assembling sections 1-1 which are hoisted in place in the assembled steel arch 1 can be fastened and fixed through the two groups of buckling cables 7-10, and the steel arch assembling device is simple and convenient to assemble and disassemble and reliable in fixing.

As shown in fig. 2, the assembled frame further includes a plurality of transverse connecting beams 7-2 arranged from top to bottom, and the two vertical supporting frames 7-1 are connected into a whole through the plurality of transverse connecting beams 7-2.

In this embodiment, the two vertical support frames 7-1 are connected into a whole by the upper and lower transverse connecting beams 7-2.

The two transverse connecting beams 7-2 are respectively an upper connecting beam connected between the upper parts of the two vertical supporting frames 7-1 and a middle connecting beam connected between the middle parts of the two vertical supporting frames 7-1. In this embodiment, a cross brace 7-15 is further arranged between the two vertical support frames 7-1, and the cross brace 7-15 is located at the bottom of the upper connecting beam.

As shown in fig. 6, in order to improve the bearing capacity of the vertical support frame 7-1, the vertical support frame 7-1 is a support column formed by assembling a plurality of straight rods, and the support column is a cubic column. And the transverse connecting beam 7-2 is a horizontal connecting beam formed by splicing a plurality of straight rod pieces. In this embodiment, the transverse connecting beam 7-2 is a cubic beam.

As shown in fig. 1 and 3, a tripod 7-4 mounted on the frame base 7-3 is arranged at the bottom of each vertical supporting frame 7-1, and the bottom of the tripod 7-4 is connected with the frame base 7-3 below the tripod in a hinged manner.

In this embodiment, the triangular supports 7-4 are vertically arranged and the width of the longitudinal bridge thereof is gradually reduced from top to bottom. The bottom of the vertical supporting frame 7-1 can be simply, conveniently and quickly and stably connected with the frame body base 7-3 through the tripod 7-4, the bottom of the tripod 7-4 is simply and conveniently connected with the frame body base 7-3, and meanwhile, the structure of the frame body base 7-3 can be simplified.

In practical use, the tripod 7-4 is a triangular support frame formed by splicing a plurality of straight rod pieces.

For stable structure and simple and convenient connection, each tripod 7-4 comprises a vertical support fixed below the middle part of the vertical support frame 7-1 and a front side support 7-42 and a rear side support 7-42 which are symmetrically arranged at two sides of the vertical support, and the vertical support consists of a plurality of vertical upright posts 7-41 arranged on the same vertical surface from left to right. In this embodiment, the vertical support is composed of two vertical columns 7-41 symmetrically arranged at the bottom of the same vertical support frame 7-1. The two side supports 7-42 are both plane trusses, the upper parts of the plane trusses are fixed at the bottom of the vertical support frame 7-1, and the bottom parts of the plane trusses are fixed on the vertical supports.

In this embodiment, each of the vertical pillars 7 to 41 is connected to the frame body base 7 to 3 in a hinged manner. When actually connected, the connection between the bottom of the vertical support frame 7-1 and the frame base 7-3 is completed only by hinging each vertical upright 7-41 with the frame base 7-3, so that the connection is simple and convenient, and the structures of the vertical support frame 7-1 and the frame base 7-3 can be effectively simplified.

As shown in fig. 2 and 3, a bottom distribution beam 7-7 is arranged right below the frame body base 7-3, and the bottom distribution beam 7-7 is horizontally arranged and arranged along the transverse bridge direction; the bottom distribution beams 7-7 are fixed on the tower foundation.

In order to ensure simple and reliable connection, the bottom distribution beam 7-7 is fixed on the tower foundation through a plurality of anchor bolts which are vertically arranged.

In this embodiment, the bottom distribution beams 7 to 7 are formed by splicing a plurality of i-shaped steel beams arranged side by side on the same horizontal plane. Each channel of I-steel is horizontally arranged and arranged along the transverse bridge direction.

In order to further increase the stability and the bearing effect of the bottom distribution beams 7-7, the front and rear sides of the bottom distribution beams 7-7 are symmetrically arranged on the oblique stiffening plates 7-13.

In this embodiment, the frame base 7-3 includes a horizontal base 7-31 and hinge seats 7-32 installed on the horizontal base 7-31, the horizontal base 7-31 is horizontally supported on the bottom distribution beam 7-7, the bottom of the tripod 7-4 is connected with the hinge seats 7-32 located therebelow in a hinged manner, specifically, the bottom of each vertical upright 7-41 in the tripod 7-4 is connected with the hinge seats 7-32 located therebelow in a hinged manner, and the horizontal base 7-31 is arranged along the transverse bridge direction.

Therefore, the frame base 7-3 has a simple structure and is stably supported, and the connection between the frame base 7-3 and the tripod 7-4 is simple.

In the embodiment, as shown in fig. 2 and 3, the horizontal base 7-31 is a horizontally arranged i-steel, the web of the horizontal base 7-31 is horizontally arranged, and the hinge base 7-32 is fixed on the web of the horizontal base 7-31. The I-shaped steel is adopted as the horizontal base 7-31, so that the structure of the horizontal base 7-31 can be effectively simplified, and the stability and the supporting strength of the horizontal base 7-31 can be ensured.

In this embodiment, the horizontal bases 7 to 31 are sliding bases capable of horizontally moving on the bottom distribution beam 7 to 7 along the transverse bridge direction, guide members for guiding the horizontal bases 7 to 31 are arranged on the bottom distribution beam 7 to 7, and the guide members are horizontally arranged and arranged along the transverse bridge direction. Therefore, in the in-service use process, can be simple and convenient, quick right the utility model discloses lay the position on the pylon basis and adjust to adjustment process safety, reliable.

In this embodiment, the guide member is a horizontal guide steel plate 7-12 horizontally fixed on the bottom distribution beam 7-7, and the horizontal guide steel plate 7-12 is a rectangular steel plate.

And, the horizontal guide steel plate 7-12 is welded and fixed on the bottom distribution beam 7-7, so the actual fixed connection is firm.

In this embodiment, the horizontal bases 7 to 31 include a web plate horizontally disposed and two wing plates symmetrically disposed at two sides of the web plate, and the two wing plates are both vertically disposed. The horizontal guide steel plate 7-12 is clamped between the two wing plates of the horizontal base 7-31, so that the installation is simple and convenient in practice, and the guide effect is good.

As shown in fig. 1 and 2, each of the vertical support frames 7-1 is provided with a cable saddle 7-6 for mounting a working cable 7-8, and the cable saddle 7-6 is provided with a working cable pulley for mounting the working cable 7-8. In order to be connected reliably, the two cable saddles 7-6 in the assembled frame body are fixedly connected through a top connecting beam.

In order to further improve the connection strength between the two vertical support frames 7-1 in the assembled frame body, the assembled frame body further comprises two internal cable wind cables 7-5 which are arranged in a crossed mode, the two internal cable wind cables 7-5 are located below the middle connecting beam and located between the two vertical support frames 7-1, the upper portion of each internal cable wind cable 7-5 is fixed on the inner side wall of the vertical support frame 7-1, and the bottom of each internal cable wind cable 7-5 is fixed on the horizontal base 7-31, so that the assembled frame body can be further stably connected with the frame body base 7-3, and the connection reliability between the assembled frame body and the frame body base 7-3 is guaranteed.

As shown in fig. 5, the constructed deck arch bridge comprises an arch rib 2 and a girder located right above the arch rib 2, the arch rib 2 and the girder are both arranged along a longitudinal bridge direction, the front end and the rear end of the girder are respectively supported on a bridge abutment 8, the girder is horizontally arranged and comprises a middle beam section 3 supported on the arch rib 2 and two side beam sections 4 respectively located on the front side and the rear side of the middle beam section 3, the middle beam section 3 is connected between the two side beam sections 4, the three are all arranged along the longitudinal bridge direction, and the middle beam section 3 and the arch rib 2 are fixedly connected through a plurality of vertical columns 5 arranged from front to back along the longitudinal bridge direction; a plurality of supporting piers 7 which are vertically arranged are arranged from front to back along the longitudinal bridge direction below each lateral beam section 4, each supporting pier 7 is a reinforced concrete pier, each lateral beam section 4 is supported on one abutment 8 and a plurality of supporting piers 7, and one abutment 8 and a plurality of supporting piers 7 supported below each lateral beam section 4 form a lateral beam section supporting structure.

Before arch rib 2 to the formula arched bridge of bearing of being under construction is under construction, need be earlier two permanent support 6 is under construction, and two erect between the permanent support 6 and assemble steel bow member 1 to adopt the cable crane to assemble section 1-1 to hoist to the bow member of assembling steel bow member 1, the utility model discloses a crane pylon of cable crane.

During actual construction, treat permanent support 6 construction completion back, just can be right on permanent support 6 the utility model discloses install. During actual installation, only the bottom distribution beam 7-7 at the bottom of the frame base 7-3 needs to be fixed on the permanent support 6, and then the assembled frame is hinged with the frame base 7-3, so that the actual installation is very simple and convenient, and the arrangement position of the utility model on the permanent support 6 can be simply and conveniently adjusted through the frame base 7-3. Meanwhile, in the process of hoisting the arch assembling sections 1-1 of the assembled steel arch 1 by adopting the cable crane, the arch assembling sections 1-1 hoisted in place in the assembled steel arch 1 can be fastened and fixed by the two groups of buckling cables 7-10, and the cable crane is simple and convenient to disassemble and assemble and reliable in fixation. Additionally, the utility model discloses regard as the pylon basis with permanent support 6, support firm, reliable to need not in addition to construct the pylon basis, it is laborsaving time-saving, occupy the construction space simultaneously and be little.

In order to further improve the stability of the utility model, each vertical support frame 7-1 is fixed with the anchor 9 through an outside cable 7-14, the outside cable 7-14 and the inside cable 7-5 are fixed cables, and the cable saddle 7-6 is provided with a fixed cable pulley for installing the outside cable 7-14.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims (10)

1. The utility model provides a pylon is used in construction of steel bow member non-support cable hoist and mount which characterized in that: the steel arch temporary fixing device comprises an assembled frame body, a frame body base (7-3) for mounting the bottom of the assembled frame body and an arch temporary fixing mechanism for temporarily fixing the assembled steel arch (1), wherein the frame body base (7-3) is horizontally arranged and arranged along the transverse bridge direction, and the assembled frame body is positioned right above the frame body base (7-3);

the assembled steel arch (1) is a steel arch for constructing arch ribs (2) of a constructed deck arch bridge, and the assembled steel arch (1) is arranged along the longitudinal bridge direction and is formed by splicing a plurality of arch assembling sections (1-1) arranged from front to back along the longitudinal bridge direction; the front end and the rear end of the arch rib (2) are respectively supported on a permanent support (6), and the permanent support (6) is a reinforced concrete support; the steel arch frames are horizontally arranged and are arranged along the longitudinal bridge direction, and the arch rib (2) is a reinforced concrete arch ring; the frame body base (7-3) is horizontally supported on one permanent support (6), and the permanent support (6) supported by the frame body base (7-3) is a tower foundation;

the assembled frame body comprises a left vertical support frame and a right vertical support frame (7-1) which are symmetrically arranged, the bottoms of the two vertical support frames (7-1) are supported on a frame body base (7-3), and the bottom of each vertical support frame (7-1) is connected with the frame body base (7-3) in a hinged mode;

the arch frame temporary fixing mechanism comprises a left group of buckling cables (7-10) and a right group of buckling cables (7-10) which are symmetrically arranged and temporarily fix the arch frame assembling sections (1-1) which are hoisted in place in the assembled steel arch frame (1), and each group of buckling cables (7-10) and one vertical support frame (7-1) are arranged on the same vertical surface; each group of the buckling cables (7-10) comprises a plurality of buckling cables (7-10) which are arranged on the same vertical surface from top to bottom, and the plurality of buckling cables (7-10) are arranged along the longitudinal bridge direction; a plurality of buckle cable pulleys (7-11) for installing buckle cables (7-10) are distributed on each vertical support frame (7-1) from top to bottom, all the buckle cable pulleys (7-11) distributed on each vertical support frame (7-1) are positioned on the same vertical plane, and each buckle cable (7-10) is installed on one buckle cable pulley (7-11);

one end of the buckle cable (7-10) is an arch frame fixing end, the other end of the buckle cable is an anchor spindle fixing end, the arch frame fixing end is fixed on an arch frame assembling section (1-1) which is hoisted in place, and the anchor spindle fixing end is fixed on an anchor spindle (9).

2. The tower for the steel arch support-free cable hoisting construction according to claim 1, wherein: two ends of the buckle cable (7-10) are respectively positioned at the front side and the rear side of the assembled frame body;

the height of both ends of each buckling rope (7-10) is lower than the mounting height of a buckling rope pulley (7-11) mounted on the buckling rope (7-10).

3. A tower for use in steel arch stentless cable hoisting construction as claimed in claim 1 or 2, wherein: the assembled frame body further comprises a plurality of transverse connecting beams (7-2) arranged from top to bottom, and the two vertical supporting frames (7-1) are connected into a whole through the plurality of transverse connecting beams (7-2).

4. A tower for use in steel arch stentless cable hoisting construction as claimed in claim 3, wherein: the vertical support frame (7-1) is a support column formed by splicing a plurality of straight rod pieces, and the support column is a cubic column; the transverse connecting beam (7-2) is a horizontal connecting beam formed by splicing a plurality of straight rod pieces.

5. A tower for use in steel arch stentless cable hoisting construction as claimed in claim 1 or 2, wherein: the bottom of each vertical supporting frame (7-1) is provided with a tripod (7-4) arranged on a frame base (7-3), and the bottom of the tripod (7-4) is connected with the frame base (7-3) below the tripod in a hinged mode.

6. The tower for the steel arch support-free cable hoisting construction according to claim 5, wherein: a bottom distribution beam (7-7) is arranged right below the frame body base (7-3), and the bottom distribution beam (7-7) is horizontally arranged and arranged along the transverse bridge direction; the bottom distribution beam (7-7) is fixed on the tower foundation.

7. The tower for the steel arch support-free cable hoisting construction according to claim 6, wherein: the bottom distribution beam (7-7) is fixed on the tower foundation through a plurality of anchor bolts, and the anchor bolts are vertically distributed.

8. The tower for the steel arch support-free cable hoisting construction according to claim 6, wherein: the frame body base (7-3) comprises a horizontal base (7-31) and hinge seats (7-32) installed on the horizontal base (7-31), the horizontal base (7-31) is horizontally supported on the bottom distribution beam (7-7), the bottom of the tripod (7-4) is connected with the hinge seats (7-32) located below the tripod in a hinge mode, and the horizontal base (7-31) is arranged along the transverse bridge direction.

9. The tower for the steel arch support-free cable hoisting construction according to claim 8, wherein: the horizontal bases (7-31) are I-shaped steel which is horizontally arranged, the web plates of the horizontal bases (7-31) are horizontally arranged, and the hinge seats (7-32) are fixed on the web plates of the horizontal bases (7-31).

10. The tower for the steel arch support-free cable hoisting construction according to claim 8, wherein: the horizontal bases (7-31) are sliding seats capable of horizontally moving on the bottom distribution beams (7-7) along the transverse bridge direction, guide pieces for guiding the horizontal bases (7-31) are arranged on the bottom distribution beams (7-7), and the guide pieces are horizontally arranged and are arranged along the transverse bridge direction.

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