阅读说明：本技术 钢管拱节段的翻身装置 (Turnover device for steel pipe arch segment ) 是由 吴秉湖 张炎培 周功建 韩胜利 耿克强 赵发亮 王朋 代毅 麻俊伟 李瑞茂 饶亮 于 2020-08-27 设计创作，主要内容包括：本发明公开了一种钢管拱节段的翻身装置,涉及桥梁建筑施工装备技术领域,该翻身装置包括：多个固定组件、两组起吊组件以及多个张拉绳装置；多个所述固定组件用于沿桥梁纵向间隔设在梁体的下缘。两组所述滑轮组件分别用于起吊或下放待翻身的钢管拱节段的两端,每组起吊组件包括多个滑轮组件,且所有滑轮组件与所有固定组件一一对应连接；多个所述张拉绳装置固定设于滑轮组件一侧,且与所有滑轮组件一一对应,每个张拉绳装置的张拉绳穿设在对应的滑轮组件上。本发明的钢管拱节段的翻身装置,其能够起吊待翻身的钢管拱节段,在起吊后进行翻身,整个装置结构简单,替换现有的浮吊,使用成本低。(The invention discloses a turning device for a steel pipe arch segment, which relates to the technical field of bridge construction equipment, and comprises: the device comprises a plurality of fixing assemblies, two groups of hoisting assemblies and a plurality of tensioning rope devices; the fixing assemblies are arranged on the lower edge of the beam body at intervals along the longitudinal direction of the bridge. The two groups of pulley assemblies are respectively used for hoisting or lowering two ends of a steel pipe arch segment to be turned over, each group of hoisting assembly comprises a plurality of pulley assemblies, and all the pulley assemblies are correspondingly connected with all the fixing assemblies one by one; a plurality of the tensioning rope devices are fixedly arranged on one side of the pulley assemblies and are in one-to-one correspondence with all the pulley assemblies, and the tensioning rope of each tensioning rope device is arranged on the corresponding pulley assembly in a penetrating way. The turnover device for the steel pipe arch section can lift the steel pipe arch section to be turned over, and the steel pipe arch section can be turned over after being lifted.)

1. A turning device for a steel pipe arch segment is characterized by comprising:

the fixing assemblies (1) are arranged on the lower edge of the beam body at intervals along the longitudinal direction of the bridge;

the two groups of hoisting assemblies are respectively used for hoisting two ends of the steel pipe arch segment to be turned over; each group of hoisting assemblies comprises a plurality of pulley assemblies (2), and all the pulley assemblies (2) are correspondingly connected with all the fixed assemblies (1) one by one;

a plurality of stay cord devices (3), it is fixed to be located loose pulley assembly (2) one side, and with all loose pulley assembly (2) one-to-one, every stretch-draw rope (31) of stay cord device (3) wear to establish and correspond on loose pulley assembly (2).

2. The turning device of a steel pipe arch segment as set forth in claim 1, wherein each of the fixing assemblies (1) comprises:

two pull rod units (11) which are arranged at intervals and the upper ends of which are fixedly connected with the lower edge of the beam body;

and the supporting beam (12) is arranged between the two pull rod units (11) and is fixedly connected with the lower ends of the two pull rod units (11).

3. The turning device for a steel pipe arch segment according to claim 2, wherein each pulley assembly (2) comprises:

a first fixed pulley (21) hinged to the supporting beam (12) of the corresponding fixed assembly (1);

a movable pulley (22) movably connected with the first fixed pulley (21) through a tension rope (31) of the tension rope device (3);

the upper end of the lifting hook (23) is connected with the movable pulley (22);

and one end of the lifting rope (24) is connected with the lower end of the lifting hook (23), and the other end of the lifting rope penetrates through one end of the steel pipe arch section to be overturned and is connected with the lower end of the lifting hook (23).

4. The turning device for a steel pipe arch segment as set forth in claim 3, further comprising:

the trestle (4) is arranged on the side of the bridge, and the tensioning rope devices (3) are fixed on the trestle (4) at intervals.

5. The turning-over device of a steel pipe arch segment as set forth in claim 4, wherein:

trestle (4) interval be equipped with a plurality ofly with stretch-draw rope device (3) one-to-one second fixed pulley (41), every stretch-draw rope (31) of stretch-draw rope device (3) wear to establish the correspondence in proper order second fixed pulley (41) and first fixed pulley (21), every second fixed pulley (41) are used for making the correspondence stretch-draw rope device (3) horizontal release or retrieve stretch-draw rope (31).

6. The turning-over device of a steel pipe arch segment as set forth in claim 3, wherein: the lifting rope (24) is a steel wire rope or a high-strength nylon rope.

7. The turning device for a steel pipe arch segment as set forth in claim 1, further comprising:

a mobile vessel (5) for loading and transporting the steel tube arch segments to be turned over below the sheave assembly (2).

8. The turning-over device of a steel pipe arch segment as set forth in claim 7, wherein: the mobile ship (5) is provided with a plurality of positioning frames (51) for placing the turned steel pipe arch sections.

9. The turning-over device of a steel pipe arch segment as set forth in claim 1, wherein: the number of the pulley assemblies (2) is four.

10. The turning-over device of a steel pipe arch segment as set forth in claim 1, wherein: the stretching rope device (3) is an electric winch.

Technical Field

The invention relates to the technical field of bridge building construction equipment, in particular to a turnover device for a steel pipe arch section.

Background

The arch bridge has a long history on bridge construction, the early arch bridge is mostly a stone bridge, and the steel arch bridge is more and more widely adopted along with the development of the society. For a large-span arch bridge, the large-span arch bridge is generally composed of a plurality of steel pipe arch segments, the steel pipe arch segments are generally horizontal before installation, and the steel pipe arch segments need to be turned over.

Disclosure of Invention

The embodiment of the invention provides a turning device for a steel pipe arch segment, which aims to solve the technical problem that the use cost of construction equipment in the related technology is high.

In a first aspect, a turning device for a steel pipe arch segment is provided, which comprises:

the fixing assemblies are arranged on the lower edge of the beam body at intervals along the longitudinal direction of the bridge;

the two groups of hoisting assemblies are respectively used for hoisting two ends of the steel pipe arch segment to be turned over; each group of hoisting assemblies comprises a plurality of pulley assemblies, and all the pulley assemblies are correspondingly connected with all the fixing assemblies one by one;

and the tensioning ropes of the tensioning rope devices are arranged on the corresponding pulley assemblies in a penetrating way.

In some embodiments, each of the securing assemblies comprises:

the two pull rod units are arranged at intervals, and the upper ends of the two pull rod units are fixedly connected with the lower edge of the beam body;

and the supporting beam is arranged between the two pull rod units and is fixedly connected with the lower ends of the two pull rod units.

In some embodiments, each sheave assembly includes:

the first fixed pulley is hinged with the corresponding support beam of the fixed assembly;

the movable pulley is movably connected with the first fixed pulley through a tensioning rope of the tensioning rope device;

the upper end of the lifting hook is connected with the movable pulley;

and one end of the lifting rope is connected with the lower end of the lifting hook, and the other end of the lifting rope penetrates through one end of the steel pipe arch section to be overturned and is connected with the lower end of the lifting hook.

In some embodiments, the turning device for a steel pipe arch segment further comprises:

the trestle is arranged on the side of the bridge, and the tensioning rope devices are fixed on the trestle at intervals.

In some embodiments, the trestle is provided with a plurality of second fixed pulleys in one-to-one correspondence with the tensioning and pulling rope devices at intervals, the tensioning rope of each tensioning and pulling rope device sequentially penetrates through the corresponding second fixed pulley and the corresponding first fixed pulley, and each second fixed pulley is used for horizontally releasing or recovering the tensioning rope of the corresponding tensioning and pulling rope device.

In some embodiments, the lifting rope is a steel wire rope or a high strength nylon rope.

In some embodiments, the turning device for a steel pipe arch segment further comprises:

a mobile vessel for loading and transporting the steel tube arch segments to be turned over below the sheave assembly.

In some embodiments, the mobile vessel is provided with a plurality of positioning frames for placing the turned-over steel pipe arch segments.

In some embodiments, the number of sheave assemblies is four.

In some embodiments, the tensioning line device is an electric hoist.

The technical scheme provided by the invention has the beneficial effects that:

the embodiment of the invention provides a turning device for steel pipe arch segments, which can lift the steel pipe arch segments to be turned by arranging a plurality of fixing assemblies, two groups of lifting assemblies and a plurality of tensioning rope devices, and can turn over after lifting.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of a turning device for a steel pipe arch segment according to an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is another schematic view of the turning device for steel pipe arch segments according to the embodiment of the present invention;

FIG. 4 is a side view of FIG. 3;

fig. 5 is a further schematic view of the turning-over device for the steel pipe arch segment according to the embodiment of the present invention;

FIG. 6 is a side view of FIG. 5;

in the figure: 1. a fixing assembly; 11. a pull rod unit; 12. a support beam; 2. a sheave assembly; 21. a first fixed pulley; 22. a movable pulley; 23. a hook; 24. a lifting rope; 3. a tensioning line device; 31. stretching a rope; 4. a trestle; 41. a second fixed pulley; 5. moving the ship; 51. a positioning frame; 6. a steel pipe arch segment; 7. a beam body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The embodiment of the invention provides a turnover device for a steel pipe arch segment, which can solve the technical problem that the existing construction equipment is high in use cost.

Referring to fig. 1 and 2, a turning device for a steel pipe arch segment includes: a plurality of fixed subassemblies 1, two sets of lifting components and a plurality of stretching wire device 3.

A plurality of fixing assemblies 1 are arranged at the lower edge of the beam body 7 at intervals along the longitudinal direction of the bridge. The two groups of hoisting assemblies are respectively used for hoisting two ends of a steel pipe arch section 6 to be turned over, each group of hoisting assemblies comprises a plurality of pulley assemblies 2, and all the pulley assemblies 2 are connected with all the fixing assemblies 1 in a one-to-one correspondence manner. A plurality of stay cord devices 3 are fixed and are located loose pulley assembly 2 one side, and with all loose pulley assembly 2 one-to-one, every stay cord device 3's stay cord 31 wears to establish on the loose pulley assembly 2 that corresponds. The turnover device for the steel pipe arch section in the embodiment of the invention has four pulley assemblies 2, and also has four corresponding fixing assemblies 1 and four tensioning rope devices 3. Preferably, the tensioning line device 3 is an electric hoist.

Compared with the prior art, the turnover device for the steel pipe arch segments in the embodiment of the invention can hoist the steel pipe arch segments 6 to be turned over by arranging the plurality of fixing assemblies 1, the two groups of hoisting assemblies and the plurality of tensioning rope devices 3, and can turn over after hoisting. Moreover, the turnover device for the steel pipe arch section in the embodiment of the invention can be flexibly arranged and installed according to construction requirements, and is convenient to use.

As an alternative embodiment, with reference to fig. 1, each fixing assembly 1 comprises: two tie rod units 11 and a support beam 12. Two pull rod units 11 set up at interval and the upper end all with the lower edge fixed connection of roof beam body 7. The support beam 12 is disposed between the two drawbar units 11 and is fixedly connected to the lower ends of the two drawbar units 11.

As an alternative embodiment, each pulley assembly 2, as shown in fig. 1, comprises: first fixed pulley 21, movable pulley 22, hook 23 and lifting rope 24.

The first fixed pulley 21 is hinged with the corresponding support beam 12 of the fixed assembly 1, and the movable pulley 22 is movably connected with the first fixed pulley 21 through a tension rope 31 of the tension rope device 3. The upper end of the lifting hook 23 is connected with the movable pulley 22, one end of the lifting rope 24 is connected with the lower end of the lifting hook 23, and the other end of the lifting rope penetrates through one end of the steel pipe arch section 6 to be overturned and is connected with the lower end of the lifting hook 23. The tension of the tension rope 31 can be reduced by using the fixed pulley and the movable pulley. Preferably, the lifting rope 24 is a steel wire rope or a high strength nylon rope, providing sufficient tension.

As an alternative embodiment, referring to fig. 1, the turning device for a steel pipe arch segment according to an embodiment of the present invention further includes a trestle 4 provided at a side of the bridge, and a plurality of tensioning rope devices 3 are fixed to the trestle 4 at intervals.

As an alternative embodiment, referring to fig. 1, the trestle 4 is provided with a plurality of second fixed pulleys 41 at intervals, the second fixed pulleys 41 correspond to the tensioning rope devices 3 one by one, the tensioning rope 31 of each tensioning rope device 3 sequentially penetrates through the second fixed pulley 41 and the first fixed pulley 21, and each second fixed pulley 41 is used for enabling the corresponding tensioning rope device 3 to horizontally release or recover the tensioning rope 31, so as to ensure that the tensioning rope device 3 is stressed obliquely.

As an alternative embodiment, referring to fig. 1 and 5, the turnover device of the steel pipe arch segment in the embodiment of the present invention further includes a moving boat 5 for loading and transporting the steel pipe arch segment 6 to be turned over to the underside of the sheave assembly 2. Furthermore, a plurality of positioning frames 51 for placing the turned-over steel pipe arch segments 6 are arranged on the mobile ship 5, so that the turned-over steel pipe arch segments 6 can be conveniently stored.

The turning device for the steel pipe arch segment in the embodiment of the invention has the following specific working modes:

four fixing assemblies 1, two groups of hoisting assemblies and four tensioning rope devices 3 are arranged according to the figure 1. Referring to fig. 2, a mobile ship 5 loads and transports a steel pipe arch section 6 to be turned over to the lower side of pulley assemblies 2, the four pulley assemblies 2 are numbered from left to right in sequence as 1-4, the 1 st and 3 rd hoisting assemblies are a first group of hoisting assemblies, a hoisting rope 24 of the first group of hoisting assemblies penetrates through one end of the steel pipe arch section 6 to be turned over and is connected with the lower end of a corresponding lifting hook 23, the 2 nd and 4 th hoisting assemblies are a second group of hoisting assemblies, the hoisting rope 24 of the second group of hoisting assemblies penetrates through one end of the steel pipe arch section 6 to be turned over and is connected with the lower end of the corresponding lifting hook 23, and the steel pipe arch section 6 to be turned over is lifted to a certain height and turned over, which is shown in fig. 3. The inverted steel pipe arch section 6 is placed on the positioning frames 51 of the mobile vessel 5 in preparation for the subsequent construction, as shown in fig. 5 and 6.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention 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 disclosed herein.