阅读说明：本技术 一种快速拼装支护棚架 (Quickly-assembled supporting shed frame ) 是由 吕汉川 林本涛 徐锡江 张一帆 吴华 田波 罗磊 马燚 于 2019-09-16 设计创作，主要内容包括：本发明提供一种快速拼装支护棚架,包括拱架(2)、横向支撑(3)、钢丝网片(4),两榀以上拱架(2)间隔安装布置,拱架(2)之间用横向支撑(3)固定连接,拱架(2)与横向支撑(3)形成的框格内安装网丝网片(4),所述拱架(2)分为相互连接的两段,每段拱架(2)顶部设有旋转结构(5),所述旋转结构(5)能绕拱架(2)轴向旋转和侧向旋转。本发明施工时间短、易于拼装、适用性好。(The invention provides a quick assembling supporting shed frame which comprises arch frames (2), transverse supports (3) and steel wire meshes (4), wherein more than two arch frames (2) are arranged at intervals, the arch frames (2) are fixedly connected through the transverse supports (3), the mesh (4) is arranged in a lattice formed by the arch frames (2) and the transverse supports (3), the arch frames (2) are divided into two sections which are connected with each other, a rotating structure (5) is arranged at the top of each section of arch frame (2), and the rotating structure (5) can rotate axially and laterally around the arch frames (2). The invention has short construction time, easy assembly and good applicability.)

1. The utility model provides a assemble fast and strut rack, includes bow member (2), transverse support (3), wire net piece (4), bow member (2) interval installation more than two is arranged, with transverse support (3) fixed connection between bow member (2), installs wire net piece (4), its characterized in that in the sash that bow member (2) and transverse support (3) formed: the arch center (2) is divided into two sections which are connected with each other, the top of each section of the arch center (2) is provided with a rotating structure (5), and the rotating structure (5) can rotate around the axial direction and the lateral direction of the arch center (2).

2. The quick assembling supporting shed frame of claim 1, wherein: the rotating structure (5) comprises a rotating thread (8), a connecting piece (9) and a rotating arm (10); one end of the rotating thread (8) is fixedly connected with the arch frame (2), and the other end of the rotating thread is in threaded connection with the connecting piece (9); a third lug plate (13) is arranged on the connecting piece (9), a pin hole is formed in the third lug plate (13), a fourth lug plate (14) corresponding to the third lug plate (13) is also arranged on the rotating arm (10), a pin hole corresponding to the third lug plate (13) is correspondingly formed in the fourth lug plate (14), and the third lug plate (13) is rotatably connected with the fourth lug plate (14) through a pin shaft; the free end of the rotating arm (10) is provided with a fifth lug plate (15) which is used for detachably and fixedly connecting the rotating arms (10) of two sections of arches forming the same arch (2).

3. The quick assembling supporting shed frame of claim 1, wherein: the rotating structure (5) comprises a rotating shaft (8 '), a connecting piece (9) and a limiting nut (16), the bottom of the connecting piece (9) is connected with a support plate (17), one end of the rotating shaft (8 ') is fixedly connected with the arch center (2), and the other end of the rotating shaft penetrates through the support plate (17) at the bottom of the connecting piece (9) and rotatably connects the connecting piece (9) to the rotating shaft (8 ') through the limiting nut (16); a third lug plate (13) is arranged on the connecting piece (9), a pin hole is formed in the third lug plate (13), a fourth lug plate (14) corresponding to the third lug plate (13) is also arranged on the rotating arm (10), a pin hole corresponding to the third lug plate (13) is correspondingly formed in the fourth lug plate (14), and the third lug plate (13) is rotatably connected with the fourth lug plate (14) through a pin shaft; the free end of the rotating arm (10) is provided with a fifth lug plate (15) which is used for detachably and fixedly connecting the rotating arms (10) of two sections of arches forming the same arch (2).

4. The quick assembling supporting shed frame of claim 1, wherein: the connecting part of the arch frame (2) and the transverse support (3) is provided with a first ear plate (11), the transverse support (3) is provided with a second ear plate (12) corresponding to the first ear plate (11), and the arch frame (2) and the transverse support (3) are detachably and fixedly connected through the first ear plate (11) and the second ear plate (12).

5. The quick assembling supporting shed frame of claim 4, wherein: two holes are formed in the corresponding positions of the first lug plate (11) on the arch center (2) and the second lug plate (12) on the transverse support (3), and the first lug plate (11) and the second lug plate (12) are fixedly connected through a pin shaft or a bolt.

6. The quick assembling supporting shed frame of claim 1, wherein: the quick assembling supporting shed frame further comprises a height adjusting device (1), wherein the height adjusting device (1) comprises two adjusting screw rods (6) and a jacking spiral sleeve (7), the two adjusting screw rods (6) are respectively connected to two ends of the jacking spiral sleeve (7), and the threads of the two adjusting screw rods (6) are opposite; the adjusting screw rod (6) is fixedly connected with the arch frame (2).

7. The quick assembling supporting shed frame of claim 1, wherein: the steel wire mesh sheets (4) are made into independent units by steel wire mesh sheet layering and are connected with the arch frame (2) and the transverse support (3) through bolts.

8. The quick assembling supporting shed frame of claim 2 or 3, wherein: the third ear plate (13) on the connecting piece (9) is also provided with another pin hole, and the rotating arm (10) is correspondingly provided with another pin hole corresponding to the third ear plate (13).

9. The quick assembling supporting shed frame of claim 2 or 3, wherein: the fifth ear plates (15) of the rotating arms (10) of the two segments of the same arch (2) are detachably and fixedly connected through bolts or pin shafts.

Technical Field

The invention relates to an arched component mainly lined by metal in a tunnel, a horizontal tunnel or other underground caverns, in particular to a quick assembling supporting shed frame for protecting the interior of the tunnel.

Background

For decades, a great number of roads and common railway tunnels in China are built and are shifted to an operation and use stage, and a great number of engineering practices show that the tunnel lining structure cracks after years of operation due to improper tunnel design, construction or maintenance and management and the like, and the concrete blocks collapse, so that hidden dangers are left on the safety of vehicles and the personal safety of drivers and conductors. At present, a method for protecting concrete block collapse generated in a tunnel comprises the following steps: firstly, temporarily building a plurality of arched steel frames for supporting, laying meshes or wood plates at the top for emergency treatment, and splicing the arched steel frames one by one from the bottom in order to bypass a railway contact network; secondly, the anchor rod is driven into the inner wall of the tunnel, the steel wire mesh is laid, then the slurry is sprayed, and the local net piece anchoring is carried out. The maintenance method has the advantages of long construction time and poor applicability in maintenance engineering of the existing highway and railway tunnel.

Disclosure of Invention

The invention aims to solve the technical problem of providing a quick assembling and supporting shed frame which is short in construction time and good in applicability.

In order to achieve the purpose, the invention provides the following technical scheme:

The invention provides a quick assembling supporting shed frame which comprises arch frames, transverse supports and steel wire meshes, wherein more than two arch frames are arranged at intervals, the arch frames are fixedly connected through the transverse supports, the steel wire meshes are arranged in a sash formed by the arch frames and the transverse supports, the arch frames are divided into two sections which are mutually connected, the top of each arch frame is provided with a rotating structure, and the rotating structure can rotate axially and laterally around the arch frames. In the embodiment of the invention, the rotating structure is connected with the arch frame through a bolt or a pin shaft, and in other embodiments, the rotating structure can be realized through a bearing, an inner sleeve, an outer sleeve and the like.

Preferably, the rotating structure comprises a rotating thread, a connecting piece and a rotating arm; one end of the rotating thread is fixedly connected with the arch center, and the other end of the rotating thread is connected with the connecting piece in a threaded manner; a third lug plate is arranged on the connecting piece, a pin hole is formed in the third lug plate, a fourth lug plate corresponding to the third lug plate is also arranged on the rotating arm, a pin hole corresponding to the third lug plate is correspondingly formed in the fourth lug plate, and the third lug plate is rotatably connected with the fourth lug plate through a pin shaft; and the free end of the rotating arm is provided with a fifth lug plate which is used for detachably and fixedly connecting the rotating arms of two sections of arches forming the same arch.

Preferably, the rotating structure comprises a rotating shaft, a connecting piece and a limiting nut, the bottom of the connecting piece is connected with a support plate, one end of the rotating shaft is fixedly connected with the arch frame, and the other end of the rotating shaft penetrates through the support plate at the bottom of the connecting piece and is rotatably connected with the connecting piece on the rotating shaft through the limiting nut; a third lug plate is arranged on the connecting piece, a pin hole is formed in the third lug plate, a fourth lug plate corresponding to the third lug plate is also arranged on the rotating arm, a pin hole corresponding to the third lug plate is correspondingly formed in the fourth lug plate, and the third lug plate is rotatably connected with the fourth lug plate through a pin shaft; and the free end of the rotating arm is provided with a fifth lug plate which is used for detachably and fixedly connecting the rotating arms of two sections of arches forming the same arch.

Preferably, the first ear plate is arranged at the joint of the arch frame and the transverse support, the second ear plate corresponding to the first ear plate is arranged on the transverse support, and the arch frame and the transverse support are detachably and fixedly connected through the first ear plate and the second ear plate.

Preferably, two holes are formed in the corresponding positions of the first lug plate on the arch center and the second lug plate on the transverse support, and the first lug plate and the second lug plate are fixedly connected through a pin shaft or a bolt.

In order to facilitate installation and lift the arch to the top of the tunnel for effective protection after the installation is finished, the quick assembling support shed frame also comprises a height adjusting device, wherein the height adjusting device comprises two adjusting screw rods and a jacking spiral sleeve, the two adjusting screw rods are respectively connected to two ends of the jacking spiral sleeve, and the threads of the two adjusting screw rods are opposite; the adjusting screw rod is fixedly connected with the arch frame.

Preferably, the steel wire mesh sheets are made into independent units by steel wire mesh sheet layering and connected with the arch frame and the transverse supporting bolts.

Preferably, the third ear plate of the connecting member is further provided with another pin hole, and the rotating arm is correspondingly provided with another pin hole corresponding to the third ear plate.

Preferably, the fifth ear plates of the rotating arms of the two segments of the same arch are detachably and fixedly connected through bolts or pin shafts.

Compared with the prior art, the invention has the beneficial effects that:

The rotating structure can bypass barriers such as overhead contact networks and the like on the top of the existing traffic line tunnel, and is short in construction time and good in applicability. The height adjusting device can provide enough installation space inside the tunnel, and can enable the arch frame and the net piece to be tightly attached to the upper portion of the tunnel through adjusting the height, so that effective protection is achieved. The arch frame, the transverse supports and the steel wire meshes of the quickly-assembled supporting shed frame are independent units, the structure is light, each independent unit is quickly fixed through a bolt or a pin shaft, the assembling is easy, the installation progress can be flexibly customized according to actual working conditions, the local complete assembling can be quickly completed within preset time, if the installation cannot be continued due to special reasons, the parts are independent unit structures, the situation that the installed parts cannot influence traffic operation can be guaranteed through simple fixing, and the quickly-assembled supporting shed frame has remarkable social benefits.

Drawings

Fig. 1 is a schematic view of the overall structure of the quick assembling supporting shed frame of the invention.

Fig. 2 is a schematic structural view of the quick assembling supporting shed frame before the quick assembling supporting shed frame is rotated and closed.

Fig. 3 is a schematic view of the transverse supporting and connecting arch frame of the quick assembling supporting shed frame.

Fig. 4 is a schematic view of the whole rotating structure of the quick assembling supporting shed frame of the invention.

fig. 5 is a schematic connection diagram of the rotating structure of the quick assembling support shed frame of the invention.

Fig. 6 is a schematic connection diagram of the height adjusting device for the fast assembling supporting shed frame of the invention.

Fig. 7 is a schematic view of the height adjusting device of the quick assembling support shed frame of the invention.

Fig. 8 is a schematic diagram of the steel wire mesh of the quick assembling support shed frame of the invention.

Fig. 9 is a schematic view of a rotary structure of the fast assembling supporting shed according to the embodiment of the invention.

Fig. 10 is a schematic front view of a second rotating structure of the fast assembling supporting shed frame according to the embodiment of the invention.

Fig. 11 is a perspective view of the rotation structure of the supporting frame shown in fig. 10.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.