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Construction platform and application method of suspension bridge suspender tensioning equipment

A technology for construction platforms and suspension bridges, applied in suspension bridges, bridge construction, bridges, etc., can solve the problems of difficult installation of oil-roof tensioning equipment, hidden dangers of manual operation, and inability to dismantle full-house supports, so as to improve the tensioning effect and efficiency. , to avoid continuous work, to ensure stable results

Active Publication Date: 2021-02-26
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the construction process of the suspension bridge constructed with the support system of the full hall support system, after the installation of the suspenders of the suspension system is completed, the suspension rods of the whole bridge need to be stretched according to the system conversion plan, but the structural force conversion has not been completed at this time, and the full hall support cannot be removed , not only makes it difficult to install the oil top tensioning equipment at the bottom of the boom, but also has a large safety hazard in manual work
In the existing construction technology, most of the hoists are used to hoist the oil roof tensioning equipment, and the tensioning of each suspender is carried out. The steps are complicated and there are safety problems in the operation, which is not conducive to widespread promotion.

Method used

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  • Construction platform and application method of suspension bridge suspender tensioning equipment
  • Construction platform and application method of suspension bridge suspender tensioning equipment
  • Construction platform and application method of suspension bridge suspender tensioning equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Such as Figure 1 to Figure 4 As shown, a construction platform for suspension bridge suspension rod tensioning equipment includes two parallel tracks 1 and a construction platform 2 between the two tracks 1, and the two tracks 1 are equidistantly provided with limited slots 3; the construction platform The bottom surface of 2 is fixedly equipped with electric push rod 4; the free end of electric push rod 4 is fixedly connected with movable plate 5; movable plate 5 is slidably connected to the bottom surface of construction platform 2; the fixed end of electric push rod 4 is fixedly connected with fixed plate 6. The fixed plate 6 is fixedly connected with the construction platform 2; the movable plate 5 and the fixed plate 6 are provided with installation grooves 7; the two installation grooves 7 are equipped with locking structures; the free end of the electric push rod 4 protrudes outwards The locking structure on the movable plate 5 is matched with the limiting groov...

Embodiment 2

[0034] A method for using a construction platform of suspension bridge boom tensioning equipment, comprising the following steps,

[0035] S1. Flatten and fix the track 1 on the scaffolding at the bottom of the bridge deck, and match the front and rear locking structures with the limit grooves 3 on the track 1 at the front and rear ends of the construction platform 2 respectively;

[0036] S2. Adjust the fixing mechanism to fix the tensioning device 8 on the construction platform 2. The specific operation is that the output end of the hydraulic cylinder 18 pushes the push block 19 to move, and the protrusion 20 on the push block 19 matches the cam 22 to push the piston rod 23 Raise until the two rotating rods 25 are opened, and finally the clamping part 26 is clamped inward to fix the tensioning device 8;

[0037] S3, start the electric push rod 4, drive the fixed plate 6 to move forward to the directly below the suspender that needs to be stretched by the tensioning equipment...

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Abstract

The invention discloses a construction platform and a use method of a suspension bridge hanger rod tensioning equipment, and belongs to the field of bridge hanger rod tensioning auxiliary equipment. Including two parallel rails and a construction platform between the two rails, the two rails are provided with limit slots at equal intervals; the bottom surface of the construction platform is fixedly installed with an electric push rod; the freedom of the electric push rod A movable plate is fixedly connected to the end; the movable plate is slidably connected to the construction platform; the fixed end of the electric push rod is fixedly connected with a fixed plate; both the movable plate and the fixed plate are provided with installation slots; The installation grooves are all provided with locking structures; when the construction platform moves, one of the locking structures matches the limit groove; the construction platform is provided with a fixing mechanism and a tensioning device; the tensioning device is connected with the fixing mechanism through the fixing mechanism. The construction platform can be detachably connected, which greatly simplifies the operation steps, realizes efficient and stable work, and has excellent safety.

Description

technical field [0001] The invention belongs to the technical field of bridge suspension rod tensioning auxiliary equipment, and in particular relates to a construction platform and a use method of suspension bridge suspension rod tensioning equipment. Background technique [0002] In the construction process of the suspension bridge constructed with the supporting system of the full hall bracket, after the installation of the suspenders of the suspension system is completed, the suspension rods of the whole bridge need to be stretched according to the system conversion plan, but the structural force conversion has not been completed at this time, and the full hall brackets cannot be removed , not only makes it difficult to install the oil top tensioning equipment at the bottom of the boom, but also has a greater safety hazard in manual work. Most of the existing construction technologies use the hoist to hoist the oil roof tensioning equipment to carry out the tensioning of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00E01D19/00E01D11/02
CPCE01D11/02E01D19/00E01D21/00
Inventor 金强孙玉喜黄祝兵孙纯付志伟
Owner CHINA MCC17 GRP
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