CN220486255U - Integral steel pipe arch bridge construction control device - Google Patents

Abstract

The utility model belongs to the technical field of arch bridge construction, and discloses an integral steel tube arch bridge construction control device which comprises a bridge body and two steel tube arches respectively arranged at two sides of the bridge body, wherein each steel tube arch comprises a first arc tube section and a second arc tube section which are symmetrically arranged, the top ends of the first arc tube section and the second arc tube section are hinged, and a transverse steel cable with controllable length is arranged between the bottom ends. The first arc pipe section and the second arc pipe section can be folded under the control of the transverse steel rope so as to facilitate hoisting when the first arc pipe section and the second arc pipe section are hoisted, and after the bottom ends of the first arc pipe section and the second arc pipe section fall on the bridge body, the unfolding speed of the bottom ends of the first arc pipe section and the second arc pipe section on the bridge body can be adjusted by controlling the lengths of the transverse steel rope, so that the overall installation flexibility of the steel pipe arch is greatly improved, and the construction quality and efficiency are improved.

Description

Integral steel pipe arch bridge construction control device

Technical Field

The utility model relates to the technical field of arch bridge construction, in particular to an integral steel tube arch bridge construction control device.

Background

In the traditional steel pipe arch bridge construction, a steel pipe arch main body is of an integral structure, and after being transported to a designated position through a crane, arch rib welding, pouring and other working procedures are carried out. The steel pipe arch main body has high positioning accuracy requirement and high construction difficulty, and when the crane hangs the steel pipe arch main body for positioning adjustment, the steel pipe arch main body needs on-site constructors to guide, so that potential safety hazards exist; if the positioning is inaccurate, the problem of uneven stress is easily generated after pouring.

Disclosure of Invention

The utility model aims to provide an integral steel pipe arch bridge construction control device, which aims to solve the problems of difficult positioning and difficult control in the integral steel pipe arch bridge construction process.

To achieve the purpose, the utility model adopts the following technical scheme:

the integral steel tube arch bridge construction control device comprises a bridge body and two steel tube arches respectively arranged on two sides of the bridge body, wherein each steel tube arch comprises a first arc tube section and a second arc tube section which are symmetrically arranged, the top ends of the first arc tube section and the second arc tube section are hinged, and a transverse steel cable with controllable length is arranged between the bottom ends of the first arc tube section and the second arc tube section.

Optionally, the integral steel pipe arch bridge construction control device further comprises a winch, wherein the winch is arranged at the bottom end of the first arc pipe section or the second arc pipe section, one end of the transverse steel cable is fixed on the second arc pipe section or the first arc pipe section, and the other end of the transverse steel cable is wound on the winch.

Optionally, two winches are provided, the two winches are respectively fixed at the bottom ends of the first arc pipe section or the second arc pipe section, and two ends of the transverse steel cable are respectively fixed and wound on the two winches.

Optionally, the top of first arc pipeline section with the top of second arc pipeline section all is equipped with spacing section, first arc pipeline section with behind the bottom mounting of second arc pipeline section, two spacing section mutual butt.

Optionally, the integral steel pipe arch bridge construction control device further comprises a roller, the roller is arranged at the bottom ends of the first arc pipe section and the second arc pipe section, and the roller can roll on the bridge body when the first arc pipe section and the second arc pipe section are unfolded in a rotating mode.

Optionally, the integral steel pipe arch bridge construction control device further comprises a supporting plate, the supporting plate is arranged on the bridge body, and after the first arc tube section and the second arc tube section are rotated, unfolded and positioned, the roller can be limited and stopped on the supporting plate.

Optionally, the backup pad is equipped with a plurality ofly, and is a plurality of the backup pad falls into the multiunit, and every group the backup pad sets up respectively first arc pipeline section with the bottom of second arc pipeline section, a plurality of the backup pad encloses to establish the supporter that forms and have the cavity, the supporter can pour the concrete in order to form the arch seat.

Optionally, the integral steel pipe arch bridge construction control device further comprises a rotating shaft, and two ends of the rotating shaft are respectively connected with the hinged positions of the first arc pipe section and the second arc pipe section on the two steel pipe arches.

Optionally, the integral steel pipe arch bridge construction control device further comprises a plurality of vertical steel cables, wherein the plurality of vertical steel cables are arranged, two ends of each vertical steel cable are respectively connected with the steel pipe arch and the bridge body, and the plurality of vertical steel cables are uniformly arranged along the length direction of the bridge body at intervals.

Optionally, the inner sides of the first arc tube section and the second arc tube section are provided with mounting holes, the bridge body is provided with hooks, and two ends of the vertical steel cable are respectively connected with the mounting holes and the hooks.

The utility model has the beneficial effects that:

the integral steel pipe arch bridge construction control device comprises a bridge body and two steel pipe arches respectively arranged at two sides of the bridge body, wherein each steel pipe arch comprises a first arc pipe section and a second arc pipe section, the top ends of the first arc pipe section and the second arc pipe section are hinged, and transverse steel ropes are arranged between the bottom ends of the first arc pipe section and the second arc pipe section in a connecting mode, so that the first arc pipe section and the second arc pipe section can be in a furled state under the action of the transverse steel ropes during hoisting, the hoisting is convenient, the hoisting is small in size and convenient to control. After the bottom of first arc pipeline section and second arc pipeline section falls on the bridge body, rotate through the bottom of first arc pipeline section and second arc pipeline section and expand, horizontal cable wire has the length controllable, consequently can adjust between the bottom of first arc pipeline section and second arc pipeline section at rotational speed, installation and location flexibility improve greatly, do benefit to improvement construction quality and efficiency.

Drawings

FIG. 1 is a schematic diagram of the positional relationship between a steel pipe arch and a bridge body in an integral steel pipe arch bridge construction control device provided by the utility model;

FIG. 2 is a schematic structural view of a steel pipe arch of the integral steel pipe arch bridge construction control device in a furled state;

FIG. 3 is a schematic view of the construction control device for the integral steel tube arch bridge, wherein the steel tube arch is in an unfolded state;

fig. 4 is a schematic diagram of the overall structure of the integral steel tube arch bridge construction control device provided by the utility model.

In the figure:

1. a bridge body; 11. a hook;

2. a steel pipe arch; 21. a first arc tube section; 22. a second arc tube section; 23. a limiting section; 24. a mounting hole;

3. a roller; 4. a support plate; 5. an arch base; 6. a rotating shaft; 7. a vertical wire rope; 8. a transverse wire rope; 9. and a winding machine.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides an integral steel tube arch bridge construction control device, which comprises a bridge body 1 and two steel tube arches 2 respectively arranged at two sides of the bridge body 1, wherein each steel tube arch 2 comprises a first arc tube section 21 and a second arc tube section 22 which are symmetrically arranged, the top ends of the first arc tube section 21 and the second arc tube section 22 are hinged, and a transverse steel cable 8 with controllable length is arranged between the bottom ends of the first arc tube section 21 and the second arc tube section 22.

As shown in fig. 1, the integral steel pipe arch bridge construction control device of the utility model is characterized in that two steel pipe arches 2 are symmetrically arranged on two sides of a bridge body 1, each steel pipe arch 2 is shown in fig. 2 and comprises a first arc pipe section 21 and a second arc pipe section 22, the top ends of the first arc pipe section 21 and the second arc pipe section 22 are hinged, and a transverse steel cable 8 is connected between the bottom ends, so that the first arc pipe section 21 and the second arc pipe section 22 can be in a furled state (the state shown in fig. 2) under the action of the transverse steel cable 8 during hoisting, thereby being convenient for hoisting, small in hoisting volume and convenient for control. When the bottom ends of the first arc tube section 21 and the second arc tube section 22 fall on the bridge body 1, the transverse steel cable 8 is provided with a controllable length through the rotation and unfolding (as shown in the state of fig. 3) of the bottom ends of the first arc tube section 21 and the second arc tube section 22, so that the distance between the bottom ends of the first arc tube section 21 and the second arc tube section 22 and the rotation and unfolding speed can be always adjusted and controlled, the installation and positioning flexibility of the steel tube arch 2 is greatly improved, and the construction quality and efficiency are improved. It can be understood that in this embodiment, the first arc tube section 21 and the second arc tube section 22 are both arc structures, and form the arc-shaped steel tube arch 2 after being unfolded, so as to play a role in bearing and enhancing.

Optionally, the integral steel pipe arch bridge construction control device further comprises a winch 9, wherein the winch 9 is arranged at the bottom end of the first arc pipe section 21 or the second arc pipe section 22, the first end of the transverse steel rope 8 is fixed on the second arc pipe section 22 or the first arc pipe section 21, and the other section of the transverse steel rope 8 is fixed on the winch 9 in a winding mode.

As shown in fig. 1 to 4, each steel pipe arch 2 is provided with a transverse steel cable 8, the transverse steel cable 8 is arranged on the steel pipe arch 2 in advance, namely, is arranged on the opposite inner sides of the bottom ends of the first arc pipe section 21 and the second arc pipe section 22, the transverse steel cable 8 is gradually tensioned and fixed in the process that the first arc pipe section 21 and the second arc pipe section 22 rotate mutually and the bottom ends are far away from each other to be unfolded, the length of the transverse steel cable 8 is controlled through a winch 9, the fine control on the integral unfolding process of the steel pipe arch 2 can be realized, the safety is greatly improved, and the maximum distance between the bottom ends of the first arc pipe section 21 and the second arc pipe section 22 is ensured to be in a controllable range.

As shown in fig. 1 and 2, when the winch 9 is installed at one position, the horizontal wire rope 8 is fixed at the bottom end of any one of the steel pipe arches 2, one end of the horizontal wire rope 8 is fixed at the first arc pipe section 21, the other end is fixed and wound on the winch 9, and the horizontal wire rope 8 is gradually released from the winch 9 by the change of the interval between the bottom ends of the first arc pipe section 21 and the second arc pipe section 22 as the winch 9 gradually releases the length of the horizontal wire rope 8, so that the unwinding speed of the first arc pipe section 21 and the second arc pipe section 22 can be controlled.

Alternatively, two winders 9 are provided, the two winders 9 are respectively fixed at the bottom ends of the first arc tube section 21 or the second arc tube section 22, and the two ends of the transverse steel rope 8 are respectively fixed and wound on the two winders 9.

When the two winches 9 are arranged, the two winches 9 are respectively arranged on the first arc pipe section 21 and the second arc pipe section 22, two ends of the transverse steel cable 8 are respectively connected with the two winches 9, the length of the transverse steel cable 8 is controlled by simultaneous or separate winding or releasing of the two winches 9, and the expansion speed and the position of the steel pipe arch 2 can be finely controlled by the releasing or shrinking direction of the transverse steel cable 8, so that the construction quality and the construction efficiency are improved. The hoist 9 is an electric hoist, and can be automatically controlled.

Optionally, the top ends of the first arc tube section 21 and the second arc tube section 22 are respectively provided with a limiting section 23, and after the bottom ends of the first arc tube section 21 and the second arc tube section 22 are fixed, the two limiting sections 23 are mutually abutted.

As shown in fig. 2 and 3, the top ends of the first arc tube section 21 and the second arc tube section 22 are provided with limiting sections 23, opposite sides of the two limiting sections 23 on the same steel tube arch 2 are planes, an included angle is formed between the limiting sections 23 and the first arc tube section 21 or the second arc tube section 22 connected with the limiting sections, when the first arc tube section 21 and the second arc tube section 22 rotate and expand around a hinging point, the two limiting sections 23 rotate to be close to each other, and finally abut against each other, so that the limitation of larger maximum expansion of the first arc tube section 21 and the second arc tube section 22 is realized. The spacing segment 23 has an extension away from the first arcuate segment 21 or the first arcuate segment 22 that provides a sufficient and reliable abutment force that continues to provide support for the first arcuate segment 21 and the second arcuate segment 22 during subsequent long-term use of the integral steel tube arch bridge construction control device.

Optionally, the integral steel pipe arch bridge construction control device further comprises a roller 3, the roller 3 is arranged at the bottom ends of the first arc pipe section 21 and the second arc pipe section 22, and the roller 3 can roll on the bridge body 1 when the first arc pipe section 21 and the second arc pipe section 22 are unfolded in a rotating mode.

As shown in fig. 1 and fig. 2, the bottom end of each of the first arc tube section 21 and the second arc tube section 22 is provided with a roller 3, the rolling direction of the roller 3 is along the folding direction or the unfolding direction of the first arc tube section 21 and the second arc tube section 22, it can be understood that the roller 3 is convenient for rolling and folding and unfolding on the bridge body 1 of the first arc tube section 21 and the second arc tube section 22, mainly unfolding, and can drive the integral movement of the steel pipe arch 2, so that when the crane lifts the steel pipe arch 2 onto the bridge body 1, the crane does not need to be put down strictly according to an accurate position, the steel pipe arch 2 can rapidly realize integral movement or relative unfolding movement through the rolling of the roller 3 on the bridge body 1, the accurate position is fixed, and then lifting efficiency is improved, and the construction quality and construction efficiency of the integral steel pipe arch bridge construction control device can also be improved. It will be appreciated that the roller 3 is a preferred embodiment, and that the roller 3 is detachably connected, such as by bolting, to the bottom ends of the first and second arcuate sections 21, 22, respectively, to facilitate removal and reuse after positioning.

Optionally, the integral steel pipe arch bridge construction control device further comprises a supporting plate 4, the supporting plate 4 is arranged on the bridge body 1, and after the first arc tube section 21 and the second arc tube section 22 are rotated, unfolded and positioned, the idler wheel 3 can be limited and stopped on the supporting plate 4.

As shown in fig. 3, the supporting plates 4 are multiple, the supporting plates 4 are divided into multiple groups, each group of supporting plates 4 is arranged at the bottom end of each steel pipe arch 2, namely the bottom ends of the first arc pipe section 21 and the second arc pipe section 22, when the roller 3 rolls to the supporting plates 4 at the two ends of the bridge body 1, the whole radian requirement of the steel pipe arch 2 is met, at the moment, the limiting sections 23 at the top ends of the first arc pipe section 21 and the second arc pipe section 22 are just abutted and limited, and double synchronous limiting of the top ends and the bottom ends is realized.

Optionally, the support plates 4 are provided with a plurality of support plates 4, the plurality of support plates 4 are divided into a plurality of groups, each group of support plates 4 is respectively arranged at the bottom ends of the first arc tube section 21 and the second arc tube section 22, the plurality of support plates 4 are surrounded to form a support body with a cavity, and concrete can be poured in the support body to form an arch seat.

As shown in fig. 3 and 4, the supporting plates 4 are divided into four groups and are respectively arranged at the bottom ends of the two steel pipe arches 2, wherein the supporting plates 4 are firstly arranged at the outer sides of the rollers 3 to prevent the rollers 3 from transitionally rolling and unfolding; then arrange backup pad 4 in the inboard of gyro wheel 3, carry out spacingly to the roll drawing in of gyro wheel 3, set up two backup pads 4 again in order to form the supporter that has the cavity around these two backup pads 4's both sides at last, backup pad 4 can replace gyro wheel 3 to support in the bottom of steel pipe arch 2, can dismantle gyro wheel 3 this moment, support steel pipe arch 2 through backup pad 4, simultaneously, cast concrete in the cavity that backup pad 4 formed, form concrete structure's arch seat 5, the supporting strength is high.

Optionally, the integral steel tube arch bridge construction control device further comprises a rotating shaft 6, and two ends of the rotating shaft 6 are respectively connected with the hinge positions of the first arc tube section 21 and the second arc tube section 22 on the two steel tube arches 2.

As shown in fig. 1 and 2, on each steel pipe arch 2, a hinge seat is arranged between the first arc pipe section 21, the second arc pipe section 22 and the two limiting sections 23, and two ends of the rotating shaft 6 are arranged on the hinge seats of the two steel pipe arches 2 in a penetrating manner, so that coaxial rotation connection of the two steel pipe arches 2 is realized, and synchronous rotation control of the two steel pipe arches 2 is facilitated. And the rotating shaft 6 has the function of an arch rib, so that the connection strength of the two steel pipe arches 2 is improved, and the crane can be connected to the rotating shaft 6 for hoisting, thereby being convenient for hoisting and positioning.

Optionally, the integral steel tube arch bridge construction control device further comprises a plurality of vertical steel cables 7, wherein the plurality of vertical steel cables 7 are arranged, two ends of the plurality of vertical steel cables 7 are respectively connected with the steel tube arch 2 and the bridge body 1, and the plurality of vertical steel cables 7 are uniformly arranged along the length direction of the bridge body 1 at intervals.

As shown in fig. 4, a plurality of vertical cables 7 are provided at intervals between the steel pipe arch 2 and the bridge body 1, which is a conventional arrangement in the art, and is also an indispensable structure. In this embodiment, the inner sides of the first arc tube section 21 and the second arc tube section 22 are provided with mounting holes 24, the bridge body 1 is provided with hooks 11, and two ends of the vertical steel cable 7 are respectively connected with the mounting holes 24 and the hooks 11. The vertical steel cable 7 is tightly arranged between the steel pipe arch 2 and the bridge body 1, and plays roles of supporting and buffering. It should be noted that at least two vertical cables 7 are provided at the top ends of the first and second arc tube sections 21 and 22 near the hinge position.

It should be noted that, for the integral steel pipe arch bridge construction control device, after the steel pipe arch 2 is positioned and installed, concrete pouring is generally known in the art, and the description is not given here. The integral steel tube arch bridge construction control device provided by the utility model has the advantages of reasonable structure and simplicity and convenience in operation. The winch 9 is reasonably designed and controlled, so that the stress balance of the steel pipe arch 2 can be realized, the stress performance can be improved, and the steel pipe arch has the advantages of high efficiency, safety and reliability.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Integral steel pipe arch bridge construction controlling means, its characterized in that is in including the bridge body (1) and two steel pipe arch (2) that set up respectively in bridge body (1) both sides, every steel pipe arch (2) are including first arc pipeline section (21) and second arc pipeline section (22) that the symmetry set up, first arc pipeline section (21) with second arc pipeline section (22) top articulates, be equipped with controllable transverse cable (8) of length between the bottom of first arc pipeline section (21) with second arc pipeline section (22).

2. The integral steel pipe arch bridge construction control device according to claim 1, further comprising a winch (9), wherein the winch (9) is arranged at the bottom end of the first arc pipe section (21) or the second arc pipe section (22), one end of the transverse steel cable (8) is fixed on the second arc pipe section (22) or the first arc pipe section (21), and the other end is wound on the winch (9).

3. The integral steel pipe arch bridge construction control device according to claim 2, wherein two winches (9) are provided, the two winches (9) are respectively fixed at the bottom ends of the first arc tube section (21) or the second arc tube section (22), and two ends of the transverse steel rope (8) are respectively fixed and wound on the two winches (9).

4. The integral steel pipe arch bridge construction control device according to claim 1, wherein the top ends of the first arc pipe section (21) and the second arc pipe section (22) are respectively provided with a limiting section (23), and after the bottom ends of the first arc pipe section (21) and the second arc pipe section (22) are fixed, the two limiting sections (23) are mutually abutted.

5. The integral steel pipe arch bridge construction control device according to claim 4, further comprising a roller (3), wherein the roller (3) is disposed at the bottom ends of the first arc tube section (21) and the second arc tube section (22), and the roller (3) is capable of rolling on the bridge body (1) when the first arc tube section (21) and the second arc tube section (22) are rotated and unfolded.

6. The integral steel pipe arch bridge construction control device according to claim 5, further comprising a supporting plate (4), wherein the supporting plate (4) is arranged on the bridge body (1), and the roller (3) can be limited and stopped on the supporting plate (4) after the first arc pipe section (21) and the second arc pipe section (22) are unfolded and positioned in a rotating mode.

7. The integral steel pipe arch bridge construction control device according to claim 6, wherein the supporting plates (4) are provided with a plurality of supporting plates (4), the plurality of supporting plates (4) are divided into a plurality of groups, each group of supporting plates (4) is respectively arranged at the bottom ends of the first arc tube section (21) and the second arc tube section (22), the plurality of supporting plates (4) are surrounded to form a supporting body with a cavity, and concrete can be poured into the supporting body to form an arch seat (5).

8. The integral steel pipe arch bridge construction control device according to claim 1, further comprising a rotating shaft (6), wherein two ends of the rotating shaft (6) are respectively connected with the hinge positions of the first arc pipe section (21) and the second arc pipe section (22) on the two steel pipe arches (2).

9. The integral steel pipe arch bridge construction control device according to claim 1, further comprising a plurality of vertical steel cables (7), wherein the plurality of vertical steel cables (7) are arranged, two ends of the plurality of vertical steel cables (7) are respectively connected with the steel pipe arch (2) and the bridge body (1), and the plurality of vertical steel cables (7) are uniformly arranged along the length direction of the bridge body (1) at intervals.

10. The integral steel pipe arch bridge construction control device according to claim 9, wherein the inner sides of the first arc pipe section (21) and the second arc pipe section (22) are provided with mounting holes (24), the bridge body (1) is provided with hooks (11), and two ends of the vertical steel cable (7) are respectively connected with the mounting holes (24) and the hooks (11).