CN115162171A - Sectional installation method and installation system for suspension bridge steel pull rod anchoring system - Google Patents

Abstract

A sectional installation method and a sectional installation system of a suspension bridge steel pull rod anchoring system relate to the technical field of bridge construction, the steel pull rod comprises an anchoring section and a tensioning section, and the installation method comprises the following steps: and erecting a support system at a preset assembly site. Respectively assembling the anchoring section and the tensioning section by using a bracket system; and respectively hoisting the assembled anchoring section and the assembled tensioning section to a preset butt joint field. And butting the anchoring section and the tensioning section by using a butting system to form the steel pull rod. This application embodiment divide into anchor section and stretch-draw section with the steel pull rod earlier to hoist anchor section and stretch-draw section respectively to the support system and assemble respectively, hoist the anchor section and the stretch-draw section that the equipment was accomplished respectively to predetermineeing the butt joint place, utilize butt joint system with stretch-draw section and anchor section butt joint, effectively solved the length of steel pull rod, the big problem that is difficult to hoist of weight.

Description

A segmented installation method and installation system of a suspension bridge steel tie rod anchorage system

technical field

The present application relates to the technical field of bridge construction, and in particular, to a segmented installation method and installation system of a steel tie rod anchoring system for a suspension bridge.

Background technique

With the development of long-span bridge technology, suspension bridges are widely used on large rivers. Suspension bridges, also known as suspension bridges, refer to bridges that use main cables and suspension cables as a suspension system for stiffening beams to transfer loads to pylons and anchorages. In the related art, the anchoring system of the main cable mostly adopts steel tie rods, which are long in length and heavy in weight, making hoisting difficult.

SUMMARY OF THE INVENTION

Embodiments of the present application provide a method and an installation system for segmented installation of a steel tie rod anchoring system for a suspension bridge, so as to solve the problems of long length and heavy weight of the steel tie rod of the suspension bridge anchorage system, which make it difficult to hoist.

A segmented installation method of a steel tie rod anchoring system for a suspension bridge, wherein the steel tie rod includes an anchoring section and a tension section, and the installation method includes the following steps:

Erection of support systems at preset assembly sites;

Assemble the anchoring section and the tensioning section separately by using the bracket system;

Lift the assembled anchoring section and tensioning section to the preset docking site respectively;

The anchoring section and the tensioning section are butted by the docking system to form a steel tie rod.

Further, the use of the support system to assemble the anchoring section and the tensioning section respectively includes:

An anchor plate is set on the support system, and the anchor plate is vertical and detachable;

Support the anchoring section or the tensioning section on the bracket system, and make the first end of the anchoring section or the tensioning section horizontally penetrate the surface of the anchor plate;

From the second end of the anchoring section or the tensioning section to the direction of the anchor plate, a pre-embedded pipe is sleeved on the outside of the anchoring section or the tensioning section, and the pre-embedded pipe is adjacent to one end of the anchor plate and the anchor plate. The plate surfaces are fixedly connected, and the embedded pipe is located on one side of the anchor plate, which is the side of the anchor plate adjacent to the second end of the anchoring section or the tensioning section.

Further, the bracket system includes a platform and a groove-shaped fixing device, and the bracket system erected at a preset assembly site includes:

Erection of platforms at preset assembly sites;

Set the fixing device on the top surface of the platform, and make the notch of the fixing device face the tension section of the steel tie rod;

The anchor plate is vertically clamped in the groove of the fixing device, and the anchor plate is pressed against the fixing device.

Further, the bracket system further includes a limiting component, the supporting the anchoring section on the bracket system and the first end of the anchoring section extending horizontally through the plate surface of the anchor plate further includes:

Before the first end of the anchoring section horizontally penetrates the plate surface of the anchor plate, along the extension direction of the steel tie rod, a limit assembly for positioning the anchoring section is arranged on the top surface of the platform.

Further, the docking system includes a connecting sleeve and a screwing wrench, and the screwing wrench includes a wrench, a handle and a chain, and the use of the docking system to dock the anchoring section with the tensioning section includes:

The connecting sleeve is sleeved on the outside of the tension section;

Buckle the wrench on the connecting sleeve, and bind the chain to the outer wall of the connecting sleeve;

Turn the wrench to make the connecting sleeve rotate and drive the tensioning section to move towards the anchoring section until the tensioning section is connected to the anchoring section.

Further, the docking system further includes locking nuts and bolts, and the docking between the anchoring section and the tension section using the docking system further includes:

Before the connecting sleeve is sleeved on the outer side of the tensioning section, a locking nut is sleeved on the outer side of the tensioning section and the anchoring section;

Bolts are inserted through the side wall of the connecting sleeve to make the connecting sleeve abut against the tension section;

After the tensioning section is butted with the anchoring section, turn the locking nut of the anchoring section to make it abut with the connecting sleeve;

Bolts are inserted through the side wall of the connecting sleeve to make the connecting sleeve abut against the anchoring section.

Also provided is a segmented installation system for a suspension bridge steel tie rod anchoring system, comprising:

A support system, which is erected at a preset assembly site;

A steel tie rod, which includes an anchoring section and a tensioning section, when the anchoring section or the tensioning section is in an assembled state, the anchoring section or the tensioning section is supported on the bracket system;

A docking system for docking the anchoring section and the tensioning section.

Further, the installation system further includes an anchor plate and a pre-embedded pipe, the anchor plate is vertically and detachably arranged on the bracket system, and when the anchoring section or the tensioning section is in an assembled state, the anchoring The section or tension section runs horizontally through the plate surface of the anchor plate, the embedded pipe is sleeved on the outer side of the steel tie rod, and the end of the embedded pipe is fixedly connected to the anchor plate.

Further, the bracket system includes a platform and a groove-shaped fixing device, the fixing device is fixedly arranged on the top surface of the platform, and the notch of the fixing device faces the direction of the tension section of the steel tie rod, and the anchor The backing plate is vertically and detachably arranged in the slot of the fixing device, and is pressed against the fixing device.

Further, it is characterized in that: the docking system includes a connecting sleeve and a tightening wrench, the tightening wrench includes a wrench head, a handle and a chain, and the connecting sleeve is sleeved at the butt joint of the anchoring section and the tensioning section , the wrench head is a circular arc structure, one end of which is connected to the handle, and the other end is connected to the chain;

When the tightening wrench is in the tightening state, the wrench head is buckled on the connecting sleeve, and the chain is bound on the outer wall of the connecting sleeve.

The beneficial effects brought by the technical solution provided by this application include:

The embodiment of the present application provides a method and an installation system for segmented installation of a steel tie rod anchoring system for a suspension bridge. The method first divides the steel tie rod into an anchoring section and a tensioning section, and hoisting the anchoring section and the tensioning section to the support system respectively , use the bracket system to assemble the tensioning section and the anchoring section respectively, and then hoist the assembled tensioning section and the anchoring section to the preset docking site respectively, and use the docking system to dock the tensioning section and the anchoring section. Therefore, in the hoisting process of the embodiment of the present application, the steel tie rod is hoisted in sections, which effectively solves the problems of long length and heavy weight of the steel tie rod, which are difficult to hoist.

Description of drawings

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

1 is a schematic diagram of the overall structure of an embodiment of the application;

2 is a schematic structural diagram of a connecting sleeve, a locking nut and a bolt in the docking system in FIG. 1;

FIG. 3 is a schematic structural diagram of a wrench in the docking system in FIG. 1;

Fig. 4 is A-A sectional view in Fig. 1;

Fig. 5 is the B-B sectional view in Fig. 1;

FIG. 6 is a schematic top view of the platform and the fixing device in the support system in FIG. 1 .

Reference number:

1. Bracket system; 11. Platform; 111. Upright column; 112. Top plate; 12. Fixing device; 121. Fixing plate; 2. Anchor plate; 3. Steel tie rod; 31. Anchoring section; 32. Tensioning section; 4. Docking system; 41. Connecting sleeve; Chain; 424, connecting part; 43, locking nut; 44, bolt; 5, embedded pipe; 6, connecting pipe.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

The embodiments of the present application provide a method and an installation system for segmented installation of a steel tie rod anchoring system for a suspension bridge, which can solve the problems of long length and heavy weight of the steel tie rod of the suspension bridge anchorage system, which make it difficult to hoist.

As shown in FIG. 1 , a segmented installation method of a steel tie rod anchoring system for a suspension bridge, wherein the steel tie rod 3 includes an anchoring section 31 and a tension section 32 . The installation method of the suspension bridge anchoring system includes the following steps:

Step 1: Erection support system 1 at the preset assembly site.

Step 2: Assemble the anchoring section 31 and the tensioning section 32 respectively by using the bracket system 1 .

Step 3: Lift the assembled anchoring section 31 and tensioning section 32 to the preset docking site respectively.

Step 4: Use the docking system 4 to butt the end of the second end of the anchoring section 31 with the end of the tension section 32 to form the steel tie rod 3 .

Specifically, in the above step 2, the anchoring section 31 and the tensioning section 32 before assembly are respectively hoisted to the preset assembly site, and the anchoring section 31 is assembled by the bracket system 1. After the assembly is completed, the assembled anchoring Section 31 is unloaded. The tension section 32 is then assembled using the bracket system 1 . The assembling sequence of the anchoring segment 31 and the tensioning segment 32 can be adjusted according to the actual situation. The above-mentioned preset assembly site can be determined according to the actual situation.

Specifically, in the above step 3, the preset docking site can be determined according to the actual situation. Preferably, the distance between the preset assembly site and the preset docking site is relatively close, so as to improve the efficiency of hoisting.

Further, the above step 2 includes: disposing an anchor plate 2 on the support system 1, and the anchor plate 2 is vertical and detachable. The anchoring section 31 or the tensioning section 32 is supported on the bracket system 1 , and the first end of the anchoring section 31 or the tensioning section 32 is horizontally penetrated through the surface of the anchor plate 2 .

From the second end of the anchoring section 31 or the tensioning section 32 to the direction of the anchor plate 2, a pre-embedded pipe is sleeved on the outside of the anchoring section 31 or the tensioning section 32, and the pre-embedded pipe 5 is adjacent to the anchoring plate 2 One end of the anchor plate 2 is fixedly connected to the plate surface of the anchor plate 2. The embedded pipe 5 is located on one side of the anchor plate 2, which is the side of the anchor plate 2 adjacent to the second end of the anchoring section 31 or the tensioning section 32.

Specifically, in the above steps, a gap is left between the embedded pipe 5 and the steel tie rod 3 , and the size of the gap can be determined according to the actual situation.

Specifically, the above steps are as follows: an anchor plate 2 is arranged on the support system 1, and the anchor plate 2 is vertical and detachable. The anchoring section 31 is supported on the bracket system 1 , and the first end of the anchoring section 31 horizontally penetrates the surface of the anchor plate 2 .

From the second end of the anchoring section 31 to the direction of the anchoring plate 2, a pre-embedded pipe is sleeved on the outer side of the anchoring section 31, and the embedded pipe 5 is adjacent to one end of the anchoring plate 2 and the plate surface of the anchoring plate 2 For fixed connection, the embedded pipe 5 is located on one side of the anchor plate 2 , which is the side of the anchor plate 2 adjacent to the second end of the anchoring section 31 . The anchor plate 2 is removed from the support system 1 together with the anchoring segments 31 .

The tensioning section 32 is then assembled, and the specific steps are: re-arrange the anchor plate 2 on the support system 1, and the anchor plate 2 is vertical and detachable. The tensioning section 32 is supported on the bracket system 1 , and the first end of the tensioning section 32 horizontally penetrates the surface of the anchor plate 2 .

From the second end of the tensioning section 32 to the direction of the anchor plate 2, a pre-embedded pipe is sleeved on the outer side of the tensioning section 32, and the pre-embedded pipe 5 is adjacent to one end of the anchor plate 2 and the end of the anchor plate 2. The plate surfaces are fixedly connected, and the embedded pipe 5 is located on one side of the anchor plate 2 , which is the side of the anchor plate 2 adjacent to the second end of the tensioning section 32 . The anchor plate 2 is removed from the support system 1 together with the anchoring segments 31 .

The assembly sequence of the anchoring section 31 and the tensioning section 32 can be adjusted according to the actual situation.

Specifically, the embedded pipe 5 on the outside of the anchoring section 31 or the tensioning section 32 of the steel tie rod 3 is multi-segment, and the ends of the embedded pipes 5 of every two adjacent sections are butted and fixed by the connecting pipe 6 . The above-mentioned pre-embedded pipe 5 is multi-section, which can also reduce the difficulty of hoisting, and the pre-embedded pipe 5 is controlled in sections, which can improve the installation accuracy of the pre-embedded pipe 5 . When the embedded pipe 5 is sheathed, it can be sheathed segment by segment, and the ends of the pre-embedded pipes 5 of every two adjacent segments are butted, and then a connecting pipe is sheathed on the outside of the butt joint. 6 to be fixed.

Further, as shown in FIGS. 4 to 6 , the above-mentioned support system 1 includes a platform 11 and a groove-shaped fixing device 12 , and the above-mentioned step 1 further includes: erecting the platform 11 at a preset assembly site. The fixing device 12 is arranged on the top surface of the platform 11 , and the notch of the fixing device 12 is directed to the tension section 32 of the steel tie rod 3 . The anchor plate 2 is vertically clamped in the groove of the fixing device 12 , and the anchor plate 2 is pressed against the fixing device 12 .

Specifically, in the above steps, the platform 11 includes a top plate 112 and a plurality of uprights 111 , the plurality of uprights 111 are supported on a preset assembly site, and the top plate 112 is arranged at the top of the plurality of uprights 111 to ensure the stability of the top plate 112 . In the embodiment of the present application, the top surface of the top plate 112 is flush with the top surfaces of the plurality of uprights 111 . In other embodiments, the top plate 112 may also be supported on the top surfaces of the plurality of uprights 111 .

Specifically, the above-mentioned fixing device 12 is fixedly connected to the platform 11 , and the fixing device 12 can prevent the anchoring section 31 or the tensioning section 32 of the steel tie rod 3 from moving freely during the assembly process, which affects the assembly efficiency of the steel tie rod 3 . The above-mentioned fixing device 12 is in the shape of a groove, which can increase the contact area between the fixing device 12 and the anchor pad 2 , thereby further ensuring the stability of the anchor pad 2 .

Specifically, in the above steps, the fixing device 12 includes a fixing plate 121 , two clamping plates 122 and a stiffening plate 123 . The above steps further include: vertically disposing the fixing plate 121 on the top surface of the platform 11 so that the fixing plate 121 is parallel to the anchor plate 2 . The two card boards 122 are arranged at intervals along the board surface of the fixed board 121, and the bottom of each card board 122 is fixedly connected to the top surface of the platform 11, so that the fixed board 121 and the two card boards 122 form a groove-shaped structure . A stiffening plate 123 is provided between the side of the fixing plate 121 facing away from the anchor plate 2 and the platform 11 to strengthen the connection and ensure the stability and bearing capacity of the fixing plate 121 . The number of the stiffening plates 123 can be determined according to the actual situation, and the stiffening plates 123 can be triangular plates, square plates or the like.

Further, the above-mentioned support system 1 further includes a limit component 13, and the above-mentioned step 3 further includes: before the first end of the anchoring section 31 horizontally penetrates the plate surface of the anchor plate 2, along the extension direction of the steel tie rod 3, on the platform The top surface of 11 is provided with a limiting component 13 for positioning the anchoring segment 31 .

Specifically, in the above steps, the limiting component 13 may be fixedly connected to the platform 11 or may be detachably connected. It can be known that the multiple limit assemblies 13 are located on the same horizontal line, and the arrangement direction of the multiple limit assemblies 13 is perpendicular to the plate surface of the anchor plate 2 , and the multiple limit assemblies 13 can make the anchoring section 31 of the steel tie rod 3 . Or the tensioning section 32 is always in a horizontal state during the assembly process, and it can also ensure that the anchoring section 31 or the tensioning section 32 of the steel tie rod 3 is always perpendicular to the plate surface of the anchor plate 2 during the assembly process, so as to prevent the steel During the butt installation of the tie rod 3, the steel tie rod 3 is deformed or dislocated.

Specifically, in the embodiment of the present application, each of the above-mentioned limiting components 13 includes a spacer block 131 and a clamping plate 132 , and the clamping plate 132 has a hole for the steel tie rod 3 to pass through. The installation process of each limiting assembly 13 includes: before the first end of the anchoring section 31 horizontally penetrates the surface of the anchor plate 2 , disposing the cushion block 131 on the top surface of the platform 11 . The splint 132 is arranged on the top of the spacer block 131 , and the splint 132 is parallel to the anchor plate 2 .

It can be known that, after the first end of the anchoring section 31 or the tensioning section 32 horizontally penetrates the surface of the anchor plate 2, the bottom of the anchoring section 31 or the tensioning section 32 rests on the top surface of the spacer block 131, and at the same time , the anchoring section 31 penetrates the splint 132 . The plurality of spacers 131 are located on the same straight line and have the same height, the plurality of clamping plates 132 are also located at the same height, and the center line connecting the holes of the plurality of clamping plates 132 is perpendicular to the plate surface of the anchor plate 2 . It can ensure that the anchoring section 31 or the tensioning section 32 of the steel tie rod 3 is always in a horizontal state during the assembly process, and can ensure that the anchoring section 31 of the steel tie rod 3 is always perpendicular to the plate surface of the anchor plate 2 .

Further, as shown in FIGS. 2 and 3 , in the above step 4 , the docking system 4 includes a connecting sleeve 41 and a wrench 42 , and the wrench 42 includes a wrench 421 , a handle 422 and a chain 423 . The above-mentioned step 4 includes: sleeving the connecting sleeve 41 on the outer side of the tensioning section 32 . The wrench 421 is buckled on the connecting sleeve 41 , and the chain 423 is bound to the outer wall of the connecting sleeve 41 . Rotating the wrench head 421 makes the connecting sleeve 41 rotate, and drives the tensioning section 32 to move toward the anchoring section 31 until the tensioning section 32 is connected to the anchoring section 31 .

Specifically, in the above steps, the outer wall of the steel tie rod 3 has threads, and the interior of the connecting sleeve 41 has threads that match the steel tie rod 3 . The connecting sleeve 41 can be fixedly connected to the anchoring section 31 and the tensioning section 32 of the steel tie rod 3 , or can be fixedly and detachably connected to the anchoring section 31 and the tensioning section 32 of the steel tie rod 3 .

Specifically, in the embodiment of the present application, the shape of the wrench head 421 matches the shape of the connecting sleeve 41 , the wrench head 421 of the tightening wrench 42 is a semicircular structure, and the wrench head 421 can just be fastened with the connecting sleeve 41 . In other embodiments, the wrench head 421 may have a 3/4 circular structure or other structures, which may be set according to actual conditions, and ensure that the wrench head 421 and the connecting sleeve 41 can be just snapped together.

Specifically, in the embodiment of the present application, the screwing wrench 42 further includes a connecting portion 424 , one end of the connecting portion 424 is connected to one end of the wrench 421 , and the other end is connected to the handle 422 .

Specifically, the connection portion 424 can improve the connection tightness between the wrench 421 and the handle 422 . In some embodiments, the connecting portion 424 can be detachably connected to the wrench 421 and the handle 422, so as to adapt to the wrench 421 or the handle 422 of various sizes and improve the applicability of the embodiments of the present application.

Further, the above-mentioned docking system 4 also includes a locking nut 43 and a bolt 44, and the above-mentioned step 4 further includes: before the connecting sleeve 41 is sleeved on the outer side of the tensioning section 32, the outer sides of the tensioning section 32 and the anchoring section 31 are respectively A lock nut 43 is sleeved. Bolts 44 are inserted through the side wall of the connecting sleeve 41 to make the connecting sleeve 41 abut against the tension section 32 .

After the tensioning section 32 is docked with the anchoring section 31 , the locking nut 43 of the anchoring section 31 is rotated to make it abut against the connecting sleeve 41 . Bolts 44 are inserted through the side wall of the connecting sleeve 41 to make the connecting sleeve 41 abut against the anchoring section 32 .

Specifically, in the embodiment of the present application, the connecting sleeve 41 is detachably connected with the anchoring section 31 and the tensioning section 32 of the steel tie rod 3 through the locking nut 43 and the bolt 44, so that the position of the connecting sleeve 41 can be adjusted at any time, Guaranteed installation accuracy, and can also be used in turnaround, saving costs.

Specifically, in the above steps, there are two locking nuts 43 , and one locking nut 43 is sleeved on the outside of the anchoring section 31 , and the other locking nut 43 is sleeved on the outside of the tensioning section 32 . The inner wall of each lock nut 43 has threads that match the steel tie rod 3 . The two locking nuts 43 are respectively abutted against both ends of the connecting sleeve 41, which can prevent the connecting sleeve 41 from sliding freely, affecting the docking accuracy of the anchoring section 31 and the tensioning section 32 of the steel tie rod 3, and improving the installation efficiency.

Specifically, the number of the above-mentioned bolts 44 is at least two, and the anchoring section 31 is provided with at least one bolt 44, and the tensioning section 32 is provided with at least one bolt 44 to ensure the connection between the connecting sleeve 41 and the anchoring section 31 and the tensioning section 32. firmness. In the embodiment of the present application, the number of bolts 44 is four, two of which are inserted through the anchoring section 31, and the other two are inserted through the tension section 32, and the four bolts 44 are symmetrically arranged to ensure that the connecting sleeve is connected. The connection between 41 and the anchoring section 31 and the tensioning section 32 is uniform, and the force of the connection 41 can be balanced, which is beneficial to the overall structural stability.

As shown in FIG. 1 , an embodiment of the present application further provides an installation system of a steel tie rod anchoring system for a suspension bridge, which includes a bracket system 1 , an anchor plate 2 , a steel tie rod 3 and a docking system 4 .

Wherein, the bracket system 1 is erected on a preset assembly site. The steel tie rod 3 includes an anchoring section 31 and a tensioning section 32 . The steel tie rod 3 is supported by the bracket system 1 . When the anchoring section 31 or the tensioning section 32 is in an assembled state, the anchoring section 31 or the tensioning section 32 is supported on the bracket system 1 . The docking system 4 is used for docking the anchoring section 31 and the tensioning section 3 .

Specifically, when the anchoring section 31 is in an assembled state, the anchoring section 31 is supported on the stent system 1 . When the tensioning section 32 is in an assembled state, the tensioning section 32 is supported by the bracket system 1 .

Further, the installation system of the embodiment of the present application further includes an anchor plate 2 and a pre-embedded pipe 5. The anchor plate 2 is vertically and detachably arranged on the bracket system 1. When the anchoring section 31 or the tensioning section 32 is in an assembled state , the anchoring section 31 or the tensioning section 32 horizontally penetrates the surface of the anchor plate 2 . The embedded pipe 5 is sleeved on the outer side of the steel tie rod 3 , and the end of the embedded pipe 5 is fixedly connected to the anchor plate 2 .

Specifically, when the anchoring section 31 is in the assembled state, the anchoring section 31 horizontally penetrates the surface of the anchor plate 2, the embedded pipe 5 is sleeved on the outside of the anchoring section 31 of the steel tie rod 3, and the end of the embedded pipe 5 The part is fixedly connected to the anchor plate 2. When the tensioning section 32 is in the assembled state, the tensioning section 32 horizontally penetrates the surface of the anchor plate 2, the embedded pipe 5 is sleeved on the outside of the tensioning section 32 of the steel tie rod 3, and the end of the embedded pipe 5 The part is fixedly connected to the anchor plate 2.

Specifically, a gap is left between the pre-embedded pipe 5 and the steel tie rod 3 . The size of the gap can be determined according to the actual situation.

Further, the above-mentioned pre-embedded pipes 5 are multi-segmented, and the ends of the pre-embedded pipes 5 of every two adjacent segments are butted and fixed by connecting pipes 6 .

Specifically, the embedded pipe 5 on the outside of the anchoring section 31 or the tensioning section 32 of the steel tie rod 3 is multi-segment, and the ends of the embedded pipes 5 of every two adjacent sections are butted and fixed by the connecting pipe 6 . The above-mentioned pre-embedded pipe 5 is multi-section, which can also reduce the difficulty of hoisting, and the pre-embedded pipe 5 is controlled in sections, which can improve the installation accuracy of the pre-embedded pipe 5 . When the embedded pipe 5 is sheathed, it can be sheathed segment by segment, and the ends of the pre-embedded pipes 5 of every two adjacent segments are butted, and then a connecting pipe is sheathed on the outside of the butt joint. 6 to be fixed.

Further, as shown in FIG. 2 and FIG. 3 , the above-mentioned docking system 4 includes a connecting sleeve 41 and a tightening wrench 42. The tightening wrench 42 includes a wrench head 421, a handle 422 and a chain 423, and the connecting sleeve 41 is sleeved on the At the butt joint of the anchoring section 31 and the tensioning section 32 , the wrench 421 is a circular arc structure, one end of which is connected to the handle 422 and the other end is connected to the chain 423 . When the screwing wrench 42 is in the screwing state, the wrench head 421 is fastened to the connecting sleeve 41 , and the chain 423 is bound to the outer wall of the connecting sleeve 41 .

Specifically, the outer wall of the steel tie rod 3 has threads, and the interior of the connecting sleeve 41 has threads that match the steel tie rod 3 . The connecting sleeve 41 can be fixedly connected to the anchoring section 31 and the tensioning section 32 of the steel tie rod 3 , or can be fixedly and detachably connected to the anchoring section 31 and the tensioning section 32 of the steel tie rod 3 .

Specifically, in the embodiment of the present application, the shape of the wrench head 421 matches the shape of the connecting sleeve 41 , the wrench head 421 of the tightening wrench 42 is a semicircular structure, and the wrench head 421 can just be fastened with the connecting sleeve 41 . In other embodiments, the wrench head 421 may have a 3/4 circular structure or other structures, which may be set according to actual conditions, and ensure that the wrench head 421 and the connecting sleeve 41 can be just snapped together.

Further, the above-mentioned tightening wrench 42 further includes a connecting portion 424 , one end of the connecting portion 424 is connected to one end of the wrench head 421 , and the other end is connected to the handle 422 .

Specifically, the connecting portion 424 can facilitate the connection of the wrench 421 and the handle 422 more closely. In some embodiments, the connecting portion 424 can be detachably connected to the wrench head 421 and the handle 422, so as to adapt to wrench heads 421 of various sizes and improve applicability.

Further, the above-mentioned docking system 4 also includes two locking nuts 43 and a plurality of bolts 44, the two locking nuts 43 are respectively abutted against both ends of the connecting sleeve 41, and the plurality of bolts 44 are inserted through the connecting sleeve 41, The connecting sleeve 41 abuts against the steel tie rod 3 through a plurality of bolts 44 , the anchoring section 31 is provided with at least one bolt 44 , and the tension section 32 is provided with at least one bolt 44 .

Specifically, in the embodiment of the present application, the connecting sleeve 41 is detachably connected with the anchoring section 31 and the tensioning section 32 of the steel tie rod 3 through the locking nut 43 and the bolt 44, so that the position of the connecting sleeve 41 can be adjusted at any time, Guaranteed installation accuracy, and can also be used in turnaround, saving costs.

Specifically, there are two locking nuts 43 , and one locking nut 43 is sleeved on the outer side of the anchoring section 31 , and the other nut is sleeved on the outer side of the tensioning section 32 . The inner wall of each lock nut 43 has threads that match the steel tie rod 3 . The two locking nuts 43 are respectively abutted against both ends of the connecting sleeve 41, which can prevent the connecting sleeve 41 from sliding freely, affecting the docking accuracy of the anchoring section 31 and the tensioning section 32 of the steel tie rod 3, and improving the installation efficiency.

Specifically, the number of the above-mentioned bolts 44 is at least two, and the anchoring section 31 is provided with at least one bolt 44, and the tensioning section 32 is provided with at least one bolt 44 to ensure the connection between the connecting sleeve 41 and the anchoring section 31 and the tensioning section 32. firmness. In the embodiment of the present application, the number of bolts 44 is four, two of which are inserted through the anchoring section 31, and the other two are inserted through the tension section 32, and the four bolts 44 are symmetrically arranged to ensure that the connecting sleeve is connected. The connection between 41 and the anchoring section 31 and the tensioning section 32 is uniform, and the force of the connecting sleeve 41 can be balanced, which is beneficial to the overall structural stability.

Further, as shown in FIGS. 4 to 6 , the above-mentioned bracket system 1 includes a platform 11 and a groove-shaped fixing device 12 , the fixing device 12 is fixedly arranged on the top surface of the platform 11 , and the notch of the fixing device 12 faces In the direction of the tensioning section 32 of the steel tie rod 3 , the anchor plate 2 is vertically and detachably disposed in the slot of the fixing device 12 and abuts against the fixing device 12 .

Specifically, the platform 11 includes a top plate 112 and a plurality of uprights 111 , the plurality of uprights 111 are supported on a preset assembly site, and the top plate 112 is arranged at the top of the plurality of uprights 111 to ensure the stability of the top plate 112 . In the embodiment of the present application, the top surface of the top plate 112 is flush with the top surfaces of the plurality of uprights 111 . In other embodiments, the top plate 112 may also be supported on the top surface of the 111 .

Specifically, the above-mentioned fixing device 12 is fixedly connected to the platform 11 , and the fixing device 12 can prevent the anchoring section 31 or the tensioning section 32 of the steel tie rod 3 from moving freely during the assembly process, which affects the assembly efficiency of the steel tie rod 3 . The above-mentioned fixing device 12 is provided in a groove shape, which can increase the contact area between the fixing device 12 and the anchor plate 2 , thereby further ensuring the stability of the anchor plate 2 .

Further, the fixing device 12 includes a fixing plate 121 , two clamping plates 122 and a stiffening plate 123 . The fixing plate 121 is vertically arranged on the top surface of the platform 11 , and the fixing plate 121 is parallel to the anchor plate 2 . The two clamping plates 122 are vertically arranged on the top surface of the platform 11 and are spaced apart along the plate surface of the fixing plate 121 . In addition, the bottom of each card board 122 is fixedly connected with the top surface of the platform 11 , and the fixed board 121 and the two card boards 122 form a groove-shaped structure. A stiffening plate 123 is provided between the side of the fixing plate 121 facing away from the anchor plate 2 and the platform 11 to strengthen the connection and ensure the stability and bearing capacity of the fixing plate 121 . The number of the stiffening plates 123 can be determined according to the actual situation, and the stiffening plates 123 can be triangular plates, square plates or the like.

Further, the above-mentioned bracket system 1 includes a platform 11 and a groove-shaped fixing device 12 , and the above-mentioned bracket system 1 also includes a plurality of limit components 13 for positioning the anchoring section 31 . Arranged in the extending direction, and each limiting component 13 is fixedly connected to the platform 11 .

Specifically, the limiting component 13 may be fixedly connected with the platform 11 or may be detachably connected. It can be known that the multiple limit assemblies 13 are located on the same horizontal line, and the arrangement direction of the multiple limit assemblies 13 is perpendicular to the plate surface of the anchor plate 2, and the multiple limit assemblies 13 can make the anchoring section 31 of the steel tie rod 3 Or the tensioning section 32 is always in a horizontal state during the assembly process, and it can also ensure that the anchoring section 31 or the tensioning section 32 of the steel tie rod 3 is always perpendicular to the plate surface of the anchor plate 2 during the assembly process, so as to avoid During the butt installation process of the steel tie rod 3, the steel tie rod 3 is deformed or dislocated.

Further, each limiting assembly 13 includes a cushion block 131 and a clamp plate 132, the cushion block 131 is fixedly connected to the platform 11, the clamp plate 132 is arranged on the top of the cushion block 131, the clamp plate 132 is parallel to the anchor plate 2, and has a The hole through which the tie rod 3 passes.

Specifically, after the first end of the anchoring section 31 or the tensioning section 32 horizontally penetrates the surface of the anchor plate 2, the bottom of the anchoring section 31 or the tensioning section 32 rests on the top surface of the cushion block 131, and at the same time, the anchoring The segment 31 penetrates the splint 132 . The plurality of spacers 131 are located on the same straight line and have the same height, the plurality of clamping plates 132 are also located at the same height, and the center line connecting the holes of the plurality of clamping plates 132 is perpendicular to the plate surface of the anchor plate 2 . It can ensure that the anchoring section 31 or the tensioning section 32 of the steel tie rod 3 is always in a horizontal state, and it can ensure that the anchoring section 31 of the steel tie rod 3 is always perpendicular to the plate surface of the anchor plate 2 .

In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the application and simplifying the description, Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

It should be noted that in this application, relational terms such as "first" and "second" etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that Any such actual relationship or sequence exists between these entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, this application is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. A sectional installation method of a suspension bridge steel tie anchoring system, characterized in that the steel tie (3) comprises an anchoring section (31) and a tensioning section (32), the installation method comprising the steps of:

erecting a support system (1) at a preset assembly site;

assembling the anchoring section (31) and the tensioning section (32) by using a bracket system (1) respectively;

respectively hoisting the assembled anchoring section (31) and the assembled tensioning section (32) to a preset butt joint field;

and the anchoring section (31) is butted with the tensioning section (32) by utilizing a butting system (4) to form the steel pull rod (3).

2. The sectional installation method of the suspension bridge steel stay anchoring system according to claim 1, wherein the assembling the anchoring section (31) and the tensioning section (32) with the bracket system (1) respectively comprises:

an anchor backing plate (2) is arranged on the support system (1), and the anchor backing plate (2) is vertical and detachable;

supporting the anchoring section (31) or the tensioning section (32) on the bracket system (1), and enabling a first end of the anchoring section (31) or the tensioning section (32) to horizontally penetrate through the plate surface of the anchor backing plate (2);

from the second end of anchor section (31) or stretch-draw section (32) to the direction of anchor backing plate (2), establish pre-buried pipe (5) in the outside cover of anchor section (31) or stretch-draw section (32), and with pre-buried pipe (5) be adjacent to the one end of anchor backing plate (2) and the face fixed connection of anchor backing plate (2), pre-buried pipe (5) are located one side of anchor backing plate (2), and this side is the one side of the second end of anchor backing plate (2) adjacent anchor section (31) or stretch-draw section (32).

3. The sectional installation method of the suspension bridge steel stay anchoring system according to claim 2, wherein the bracket system (1) comprises a platform (11) and a groove-shaped fixing device (12), and the erection of the bracket system (1) at a predetermined assembly site comprises:

erecting a platform (11) on a preset assembly site;

arranging a fixing device (12) on the top surface of the platform (11), and enabling a notch of the fixing device (12) to face a tensioning section (32) of the steel pull rod (3);

the anchor backing plate (2) is vertically clamped in the groove of the fixing device (12), and the anchor backing plate (2) is propped against the fixing device (12).

4. The sectional installation method of the suspension bridge steel tie rod anchoring system according to claim 3, wherein the bracket system (1) further comprises a limiting component (13), the supporting the anchoring section (31) on the bracket system (1), and the horizontally penetrating the first end of the anchoring section (31) on the plate surface of the anchor backing plate (2) further comprises:

and a limiting component (13) for positioning the anchoring section (31) is arranged on the top surface of the platform (11) along the extending direction of the steel pull rod (3) before the first end of the anchoring section (31) horizontally penetrates through the plate surface of the anchor backing plate (2).

5. The segmental installation method of a suspension bridge steel stay anchoring system as claimed in claim 1, wherein the docking system (4) comprises a connection sleeve (41) and an wrenching wrench (42), the wrenching wrench (42) comprising a wrench head (421), a grip (422) and a chain (423), and the docking of the anchoring section (31) with the tension section (32) by means of the docking system (4) comprises:

sleeving the connecting sleeve (41) on the outer side of the tensioning section (32);

the wrench head (421) is buckled on the connecting sleeve (41), and the chain (423) is bound on the outer wall of the connecting sleeve (41);

the wrench head (421) is rotated to rotate the connecting sleeve (41) and drive the tension section (32) to move towards the anchoring section (31) until the tension section (32) is in butt joint with the anchoring section (31).

6. The segmental installation method of a suspension bridge steel stay anchoring system as claimed in claim 5, wherein the docking system (4) further comprises a lock nut (43) and a bolt (44), and the docking of the anchoring section (31) with the tensioning section (32) using the docking system (4) further comprises:

before the connecting sleeve (41) is sleeved on the outer side of the tensioning section (32), a locking nut (43) is sleeved on the outer sides of the tensioning section (32) and the anchoring section (31) respectively;

inserting a bolt (44) through the side wall of the connecting sleeve (41) to enable the connecting sleeve (41) to be abutted against the tensioning section (32);

after the tensioning section (32) is butted with the anchoring section (31), a locking nut (43) of the anchoring section (31) is rotated to be butted with the connecting sleeve (41);

a bolt (44) is inserted through the side wall of the connection sleeve (41) so that the connection sleeve (41) is in contact with the anchor section (32).

7. A segmental installation system of a suspension bridge steel stay anchoring system, comprising:

the support system (1) is erected on a preset assembly site;

a steel tie rod (3) comprising an anchoring section (31) and a tensioning section (32), the anchoring section (31) or tensioning section (32) being supported to the scaffolding system (1) when the anchoring section (31) or tensioning section (32) is in an assembled state;

a docking system (4) for docking the anchoring section (31) and the tensioning section (32).

8. The segmental installation system of a suspension bridge steel stay anchoring system of claim 7, characterized in that: installing the system still includes anchor backing plate (2) and buried pipe (5) in advance, anchor backing plate (2) vertical and detachably set up in mounting system (1) when anchor section (31) or stretch-draw section (32) are in the assembled state, anchor section (31) or stretch-draw section (32) level run through in the face of anchor backing plate (2), buried pipe (5) cover is located the outside of steel pull rod (3), and the tip fixed connection of buried pipe (5) in anchor backing plate (2).

9. The segmented installation system of suspension bridge steel tie rod anchoring system of claim 8, wherein: mounting system (1) includes fixing device (12) of platform (11) and recess shape, fixing device (12) fixed set up in the top surface of platform (11), and the notch of fixing device (12) is towards the direction of stretch-draw section (32) of steel pull rod (3), anchor backing plate (2) vertical and detachably set up in the notch of fixing device (12), and support hold in fixing device (12).

10. The segmented installation system of suspension bridge steel tie rod anchoring system of claim 7, wherein: the butt joint system (4) comprises a connecting sleeve (41) and an screwing wrench (42), the screwing wrench (42) comprises a wrench head (421), a grab handle (422) and a chain (423), the connecting sleeve (41) is sleeved at the butt joint position of the anchoring section (31) and the tensioning section (32), the wrench head (421) is of an arc-shaped structure, one end of the wrench head is connected to the grab handle (422), and the other end of the wrench head is connected to the chain (423);

when the screwing wrench (42) is in the screwing state, the wrench head (421) is buckled on the connecting sleeve (41), and the chain (423) is bound on the outer wall of the connecting sleeve (41).

Images