Anchor box device for integrally lifting construction of arch rib and self-adapting to tension length of tie bar

Abstract

The utility model discloses an anchor box device for integrally lifting construction of an arch rib and self-adapting to the tension length of a tie bar. The method is mainly used for linear control in the overall arch rib lifting construction process and mainly comprises a continuous jack, a tie bar, a pin shaft and a tensioning end anchor box, the continuous jack is implanted into the tensioning end anchor box, and the length of the tensioning end anchor box takes the pull-out amount of the tie bar and the length of the continuous jack into consideration in advance; linear control in the overall lifting process of the arch rib is achieved through graded tensioning; the anchor box at the tensioning end is connected with the arch ribs through pin shafts, tie bars between the arch ribs are preliminarily tensioned through the device, the arch ribs are integrally lifted to the designed elevation through the tower, the tie bars are tensioned in a graded mode in the integral lifting process, the control target of tensioning the tie bars is that longitudinal displacement of arch feet of the arch ribs is zero, and therefore unstressed installation of the arch ribs is achieved.

Description

Technical Field

[0001] The utility model relates to the field of arch rib integral lifting construction, in particular to an anchor box device capable of adaptively adjusting tie rod tensioning length during arch rib integral lifting construction. Background Art

[0002] At present, the construction method of overall lifting of arch ribs has been widely used, but the linear control during the overall lifting of arch ribs is the key to the success of the construction. The traditional overall lifting of arch ribs still has certain limitations.

[0003] During the overall lifting of large-segment arch ribs, stress-free installation of the arch ribs is achieved by tensioning the tie rods. However, due to the obstruction at both ends of the arch ribs, it is difficult for the continuous jacks to be placed, resulting in difficulties in the graded tensioning operation of the tie rods during the overall lifting of the arch ribs, and it is difficult to ensure the linear shape of the arch ribs. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned deficiencies, the utility model provides an anchor box device with adaptive tie rod tensioning length in the overall lifting construction of arch ribs; this device mainly solves the problems of difficulty in controlling the linear shape of arch ribs, difficulty in graded tensioning of tie rods due to the obstruction of both ends of arch ribs, and unreasonable cost in the overall lifting process of large-segment arch ribs compared with traditional methods. This patent mainly constructs an anchor box device with adaptive tie rod tensioning length. This device is mainly composed of continuous jacks, tie rods, pins and tensioning end anchor boxes. By implanting the continuous jacks into the tensioning end anchor box, the length of the tensioning end anchor box is pre-surplus to consider the pull-out amount of tie rods and the length of the continuous jacks, and the graded tensioning is used to achieve linear control in the overall lifting process of the arch ribs. This device has reasonable force, simple manufacturing, safety and reliability, and low cost, and can provide reference and reference for the control of the linear shape of similar arch rib overall lifting construction processes.

[0005] The utility model is achieved in that an anchor box device with adaptive tie rod tensioning length in the overall lifting construction of arch ribs is constructed, characterized in that: it is mainly used for linear control in the overall lifting construction process of arch ribs, mainly composed of continuous jacks, tie rods, pins and tensioning end anchor boxes, the continuous jacks are implanted in the tensioning end anchor box, the length of the tensioning end anchor box is preliminarily redundant to consider the pull-out amount of the tie rods and the length of the continuous jacks, and the linear control in the overall lifting process of the arch ribs is achieved by graded tensioning; the tensioning end anchor box is connected to the arch ribs through the pins, the device is used to initially tension the tie rods between the arch ribs, the arch ribs are hoisted to the designed elevation through the tower frame, the tie rods are tensioned in stages during the overall lifting process, and the control target of the tensioning tie rods is that the longitudinal displacement of the arch foot of the segmented arch rib is zero, thereby realizing the stress-free installation of the arch ribs.

[0006] The utility model has the following advantages: the utility model provides an anchor box device with adaptive tie rod tensioning length in the overall lifting construction of arch ribs; the device mainly solves the problems of difficulty in controlling the arch rib linear shape, difficulty in graded tensioning of tie rods due to the obstruction of both ends of the arch ribs, and unreasonable cost in the overall lifting process of large-segment arch ribs compared with traditional methods. This patent mainly constructs an anchor box device with adaptive tie rod tensioning length. This device is mainly composed of continuous jacks, tie rods, pins and tensioning end anchor boxes. By implanting the continuous jack into the tensioning end anchor box, the length of the tensioning end anchor box is pre-required to consider the pull-out amount of the tie rod and the length of the continuous jack, and the graded tensioning realizes the linear control in the overall lifting process of the arch ribs. This device has reasonable force, simple manufacturing, safety and reliability, and low cost, and can provide reference and reference for the control of the linear shape of similar arch rib overall lifting construction processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is the elevation view of the anchor box device for the adaptive tie rod tensioning length in the overall lifting construction of the arch rib;

[0008] Figure 2-Figure 3 Partial view of the anchor box device with adaptive tie rod tensioning length for overall lifting construction of the arch rib. DETAILED DESCRIPTION

[0009] The following will be combined with the attached Figure 1-Figure 3 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0010] The utility model provides an anchor box device capable of adaptively adjusting the tension length of tie rods in the construction of an overall lifting construction of an arch rib. Figure 1-Figure 3 As shown, it can be implemented in the following manner; this patent is mainly used for linear control during the overall lifting construction of the arch rib, and is mainly composed of a continuous jack 1, a tie rod 2, a pin 3 and a tensioning end anchor box 4. By implanting the continuous jack 1 into the tensioning end anchor box 4, the length of the tensioning end anchor box 4 is pre-prepared to consider the pull-out amount of the tie rod and the length of the continuous jack, and the linear control during the overall lifting of the arch rib is achieved by graded tensioning.

[0011] The specific operation process is to first assemble the arch rib segments using a bracket, and after the assembly is completed, use this device to initially tension the tie rods between the arch ribs, and lift the arch ribs to the designed elevation through the tower as a whole. During the overall lifting process, the tie rods are tensioned in stages, and the control target of the tensioning tie rods is to make the longitudinal displacement of the arch foot of the segmented arch rib zero, thereby realizing stress-free installation of the arch rib.

[0012] This patent has the following advantages and beneficial effects: (1) This device solves the problem that the continuous jacks are difficult to place due to the obstruction of the two ends of the arch rib during the overall lifting construction of the arch rib, resulting in difficulty in controlling the linear shape of the tie rods in the staged tensioning of the arch rib. (2) This device makes the linear shape control operation of the overall lifting construction of the arch rib simple, with high linear shape accuracy, simple structure manufacturing, safety and reliability, good economy, and enhances the applicability of the overall lifting construction of the arch rib.

[0013] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anchor box device with adaptive tie rod tensioning length for overall arch rib lifting construction, characterized in that; The invention is used for linear control during the construction process of overall lifting of arch ribs. The invention mainly comprises a continuous jack (1), a tie rod (2), a pin shaft (3) and a tensioning end anchor box (4). The continuous jack (1) is implanted in the tensioning end anchor box (4). The length of the tensioning end anchor box is preliminarily sufficient to take into account the amount of tie rod withdrawal and the length of the continuous jack. The linear control during the overall lifting of the arch ribs is achieved by staged tensioning. The tensioning end anchor box (4) is connected to the arch ribs via the pin shaft (3). The tie rods between the arch ribs are initially tensioned using the anchor box device. The arch ribs are hoisted to the designed elevation by the tower frame as a whole. The tie rods are staged during the overall lifting process.

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