Inclined supporting device for installing and fixing immersed tube tunnel steel structure
By designing an adjustable inclined support device, the construction difficulties caused by welding fixation were solved, enabling welding-free construction, improving efficiency and protecting the base material, and enhancing the applicability and lifespan of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-03-20
AI Technical Summary
Existing inclined support devices require welding for fixation during steel structure installation, which makes it difficult to fine-tune the component dimensions, damages the parent material and wastes materials during disassembly, and affects construction efficiency and material recycling.
Design an inclined support device including a base, telescopic braces and auxiliary support mechanisms. The support length and angle can be flexibly adjusted by adjusting the nuts. No welding is required and a detachable connection method is adopted.
It improves construction efficiency, reduces construction costs, protects the quality of the parent material, enhances the practicality and applicability of the device, and supports multiple reuses.
Smart Images
Figure CN224016367U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to steel structure installation technical field relates to a kind of for sinking pipe tunnel steel structure installation fixed inclined bracing device. BACKGROUND
[0002] As important support fixed tool when sinking pipe tunnel steel structure installation assembly, inclined bracing is currently widely used in steel structure installation engineering. The inclined bracing used in steel structure installation construction is usually profile steel bar, and is welded and fixed with steel structure component during construction, so it is not easy to fine-tune component size after welding, and it needs to be cut off by gas cutting when disassembling, which not only easily cuts the structure base material and affects the strength of the structure, but also causes material loss to the inclined bracing itself, which is not conducive to convenient construction and recycling of materials. UTILITY MODEL CONTENTS
[0003] The utility model aims at providing a kind of inclined bracing device for sinking pipe tunnel steel structure installation fixed, which is scientific and reasonable in structure design, convenient for construction operation, long in service life, high in strength and easy to realize.
[0004] The utility model solves its technical problem by the following technical scheme:
[0005] A kind of inclined bracing device for sinking pipe tunnel steel structure installation fixed, characterized by comprising base, telescopic inclined strut and auxiliary support mechanism, telescopic inclined strut is hinged at one end of the base, auxiliary support mechanism is movably installed at the other end of the base.
[0006] Furthermore, the base includes a bottom plate, a vertical plate and mounting screw holes, the vertical plate is symmetrically arranged at both sides of one end of the bottom plate, the telescopic inclined strut is hinged between the two vertical plates, and the mounting screw holes are uniformly distributed at the other end of the bottom plate, the lower end of the auxiliary support mechanism is installed in the mounting screw hole, and the upper end of the auxiliary mechanism is supported at the bottom of the telescopic inclined strut.
[0007] Furthermore, the telescopic inclined strut includes a lower support rod, a first adjusting nut, a support sleeve and a support head, the lower end of the lower support rod is hinged to the base, the upper end of the lower support rod is provided with external threads, the support sleeve is sleeved on the external threads, the lower part of the support sleeve is limited by the first adjusting nut threaded connected at the external threads, and the support head is arranged at the upper part of the support sleeve.
[0008] Furthermore, the support head is an angle steel.
[0009] Moreover, the auxiliary support mechanism comprises a screw rod, a second adjusting nut, an ear sleeve, a limiting rod and a support plate, the bottom of the screw rod is threadedly installed on the base, an ear sleeve is sleeved on the upper portion of the screw rod, the ear sleeve is limited by the second adjusting nut which is threadedly installed on the screw rod, the support plates are rotatably installed on the two sides of the ear sleeve, and the outer sides of the two support plates are limited by the limiting rods which are arranged on the two sides of the ear sleeve.
[0010] The advantages and beneficial effects of the utility model are as follows:
[0011] 1. The inclined support device for the installation and fixation of the steel structure of the immersed tunnel can support and assist in supporting only by manually adjusting the first nut and the second nut without welding operation when used in the construction site, greatly improves the construction operation efficiency, and can be recycled to reduce the construction cost.
[0012] 2. The inclined support device for the installation and fixation of the steel structure of the immersed tunnel can increase the angle range of the telescopic inclined support and improve the practicability and applicability of the device by movably installing the auxiliary support mechanism on the base.
[0013] 3. The utility model has the advantages of convenient construction operation, long service life, high strength and easy realization, and is a kind of inclined support device for the installation and fixation of the steel structure of the immersed tunnel with high innovation. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of the utility model;
[0015] Figure 2 It is a right view of Figure 1
[0016] Figure 3 It is an enlarged view of A part of Figure 2
[0017] Figure 4 It is a structure schematic view of the base of the utility model.
[0018] REFERENCE SIGNS
[0019] 1- vertical plate, 2- base, 3- auxiliary support mechanism, 4- lower support rod, 5- external thread, 6- first adjusting nut, 7- support sleeve, 8- support head, 9- ear sleeve, 10- support plate, 11- limiting rod, 12- second adjusting nut, 13- screw rod, 14- bottom plate, 15- mounting screw hole. DETAILED DESCRIPTION
[0020] The utility model will be further described below by specific embodiments, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the utility model.
[0021] The utility model relates to a kind of oblique support device for installation and fixation of immersed tube tunnel steel structure, its innovation lies in: including base 2, telescopic oblique support and auxiliary support mechanism 3, telescopic oblique support is hinged at one end of the base, the telescopic support as main support mechanism, auxiliary support mechanism is movably installed at the other end of base, the support length and angle of the device can be adjusted, so that the support is more conducive to installation and reuse under different construction conditions.
[0022] The base includes bottom plate 14, vertical plate 1 and mounting screw hole 15, vertical plate is symmetrically provided at both sides of one end of the bottom plate, the telescopic oblique support is hinged between two vertical plates, the other end of the bottom plate is uniformly distributed with mounting screw hole, the lower end of the auxiliary support mechanism is installed in the mounting screw hole, and the upper end of the auxiliary mechanism is supported at the bottom of the telescopic oblique support. When the device is in use, the height of the auxiliary support mechanism and the support angle of the telescopic support can be adjusted for primary adjustment, when the auxiliary support mechanism at this position cannot meet the support needs through its height adjustment, secondary adjustment is carried out by changing the installation position of the auxiliary support mechanism on the bottom plate, so as to meet the requirements of different constructions on support angle.
[0023] The telescopic oblique support includes lower support rod 4, first adjusting nut 6, support sleeve 7 and support head 8, the lower end of the lower support rod is hinged on the base, the upper end of the lower support rod is provided with external thread 5, the support sleeve is sleeved on the external thread, the support sleeve is made of φ168*10 steel pipe in this embodiment, the lower part of the support sleeve is limited by the first adjusting nut threaded connected at the external thread, the first adjusting nut is used to adjust the support length of the telescopic oblique support, and angle steel is welded on the upper part of the support sleeve as the support head.
[0024] The auxiliary support mechanism includes screw rod 13, second adjusting nut 12, ear sleeve 9, limiting rod 11 and support plate 10, the bottom of the screw rod is threaded on the base, the ear sleeve is sleeved on the upper part of the screw rod, the ear sleeve is limited by the second adjusting nut threaded on the screw rod, the support plates are rotatably installed at both sides of the ear sleeve, the rotatably installed support plates can realize self-adaptation of the support angle of the telescopic oblique support, and the outer sides of the two support plates are limited by the limiting rods arranged at both sides of the ear sleeve.
[0025] Construction process and steps:
[0026] 1, after the steel structure to be supported is erected on the ground, the support head on the upper part of the support is placed on the steel structure support point, and a plurality of supports are arranged according to the structure of the steel structure to fix the steel structure;
[0027] 2、In the steel structure fine-tuning accuracy, adjusting the first adjusting nut and the second adjusting nut can change the support length and angle;
[0028] 3、After the steel structure fine-tuning is completed, each support adjusting nut is tightened, the steel structure is firmly fixed, cannot be moved, and the accuracy of the steel structure installation is ensured;
[0029] 4、After the steel structure installation is completed, rotating each adjusting nut, the length of the telescopic diagonal brace and the auxiliary support mechanism is changed, and the dismounting support work is completed.
[0030] The utility model is applied to the first section of the prefabricated pipe in Shunde Lenggui Road project, and good results are obtained.
[0031] Although the embodiments and drawings of the utility model are disclosed for the purpose of illustration, those skilled in the art can understand that various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, therefore, the scope of the utility model is not limited to the content disclosed by the embodiments and drawings.
Claims
1. A diagonal support device for the installation and fixing of steel structures in immersed tunnels, characterized in that: It includes a base, a telescopic brace, and an auxiliary support mechanism. The telescopic brace is hinged at one end of the base, and the auxiliary support mechanism is movably installed at the other end of the base. The telescopic brace includes a lower support rod, a first adjusting nut, a support sleeve, and a support head. The lower end of the lower support rod is hinged to the base, and the upper end of the lower support rod is provided with an external thread. A support sleeve is fitted at the external thread. The lower part of the support sleeve is limited by a threaded connection to the first adjusting nut at the external thread. A support head is provided at the upper part of the support sleeve. The auxiliary support mechanism includes a screw, a second adjusting nut, a lug sleeve, a limiting rod, and a support plate. The bottom of the screw is threaded onto the base, and a lug sleeve is fitted onto the upper part of the screw. The lug sleeve is limited by the second adjusting nut threaded onto the screw. Support plates are rotatably installed on both sides of the lug sleeve, and the outer sides of the two support plates are limited by limiting rods located on both sides of the lug sleeve.
2. The inclined support device for fixing and installing steel structures in immersed tunnels according to claim 1, characterized in that: The base includes a base plate, upright plates, and mounting screw holes. Upright plates are symmetrically arranged on both sides of one end of the base plate. The telescopic brace is hinged between the two upright plates. Mounting screw holes are evenly distributed at intervals on the other end of the base plate. The lower end of the auxiliary support mechanism is installed in the mounting screw holes, and the upper end of the auxiliary mechanism is supported on the bottom of the telescopic brace.
3. The inclined support device for fixing and installing steel structures in immersed tunnels according to claim 1, characterized in that: The support head is made of angle steel.