阅读说明：本技术 一种用于隧道口的快速安装折叠式防护棚 (A foldable protection canopy of quick installation for tunnel portal ) 是由 王庆杰 于进考 于 2021-08-03 设计创作，主要内容包括：本发明公开了一种用于隧道口的快速安装折叠式防护棚,包括两组主框架、两组副框架及一组顶部框架,两组副框架包括多组副弧形杆；顶部框架包括多组顶部弧形杆；顶部弧形杆的两端均通过固定轴转动安装于副弧形杆一端的开口中,主弧形杆的上端通过固定轴转动安装于副弧形杆另一端的开口中；第一连接杆、第二连接杆及第三连接杆的表面均安装有遮盖板。由主框架、副框架、顶部框架、遮盖板等部件构成,主框架、副框架、顶部框架之间可折叠伸缩,棚洞收缩后放置于平板汽车液压升降装置与水平伸展装置上,运输至安装现场,就位后通过液压升降伸展装置放置就位,安装便捷,可工厂批量生产,在天窗期内可快速安装,有效降低了施工风险。(The invention discloses a quickly-installed folding type protective shed for a tunnel portal, which comprises two groups of main frames, two groups of auxiliary frames and a group of top frames, wherein the two groups of auxiliary frames comprise a plurality of groups of auxiliary arc-shaped rods; the top frame comprises a plurality of groups of top arc-shaped rods; the two ends of the top arc-shaped rod are rotatably arranged in the opening at one end of the auxiliary arc-shaped rod through the fixed shaft, and the upper end of the main arc-shaped rod is rotatably arranged in the opening at the other end of the auxiliary arc-shaped rod through the fixed shaft; the surfaces of the first connecting rod, the second connecting rod and the third connecting rod are all provided with a cover plate. The foldable telescopic shed tunnel is composed of a main frame, an auxiliary frame, a top frame, a covering plate and other parts, the main frame, the auxiliary frame and the top frame can be folded and stretched, the shed tunnel is placed on a hydraulic lifting device and a horizontal stretching device of a flat car after being contracted and is transported to an installation site, the shed tunnel is placed in place through the hydraulic lifting stretching device after being placed in place, the installation is convenient and fast, batch production can be conducted in a factory, the shed tunnel can be quickly installed in a skylight period, and construction risks are effectively reduced.)

1. The utility model provides a foldable protection canopy of quick installation for tunnel portal, includes two sets of main frame (1), two sets of subframes (2) and a set of top frame (3), its characterized in that: the two groups of main frames (1) comprise a plurality of groups of main arc-shaped rods (11), and first connecting rods (12) are fixedly connected between the groups of main arc-shaped rods (11);

the two groups of auxiliary frames (2) comprise a plurality of groups of auxiliary arc-shaped rods (21), and second connecting rods (22) are fixedly connected among the plurality of groups of auxiliary arc-shaped rods (21);

the top frame (3) comprises a plurality of groups of top arc-shaped rods (31), and third connecting rods (32) are fixedly connected among the groups of top arc-shaped rods (31);

openings (4) are formed in two ends of the auxiliary arc-shaped rod (21), a fixed shaft (5) is fixedly connected to the inner portion of each opening (4), two ends of the top arc-shaped rod (31) are rotatably installed in the openings (4) at one end of the auxiliary arc-shaped rod (21) through the fixed shafts (5), and the upper end of the main arc-shaped rod (11) is rotatably installed in the opening (4) at the other end of the auxiliary arc-shaped rod (21) through the fixed shafts (5);

and the surfaces of the first connecting rod (12), the second connecting rod (22) and the third connecting rod (32) are all provided with a cover plate (6).

2. A quick-install collapsible shelter for a tunnel portal according to claim 1, further comprising: locating holes (7) are formed in the end portions of the opening (4), the main arc-shaped rod (11) and the top arc-shaped rod (31), and limiting pins (8) are inserted into the locating holes (7).

3. A quick-install collapsible shelter for a tunnel portal according to claim 2, further comprising: and arc baffles (9) are arranged at the tops of the main arc-shaped rod (11), the auxiliary arc-shaped rod (21) and the top arc-shaped rod (31).

4. A quick-install collapsible shelter for a tunnel portal according to claim 3, wherein: the lower extreme of main arc pole (11) all welds mounting panel (10), mounting hole (101) have been seted up on the surface of mounting panel (10).

5. A quick-install collapsible shelter for a tunnel portal according to claim 4, further comprising: one side of the main arc-shaped rod (11) at the two ends of the main frame (1) is respectively provided with a butt joint jack (13) and a butt joint jack rod (14), and the butt joint jack rod (14) is movably inserted in the butt joint jack (13).

6. A quick-install collapsible shelter for a tunnel portal according to claim 5, further comprising: the end parts of the limiting pin (8) and the butt joint insertion rod (14) are both arranged to be circular arc-shaped structures, and the end parts of the butt joint insertion hole (13) and the positioning hole (7) are both arranged to be groove structures.

7. A quick-install folding shelter for tunnel portals according to claim 1, comprising a flatcar (41), characterized in that: the flat car (41) is provided with a hydraulic lifting device and a horizontal stretching device.

8. A quick-install collapsible shelter for a tunnel portal according to claim 7, further comprising: the hydraulic lifting device and the horizontal stretching device both comprise hydraulic cylinders (42), and the end parts of output shafts of the hydraulic cylinders (42) are fixedly connected with push plates (43).

9. A quick-install collapsible shelter for a tunnel portal according to claim 8, further comprising: the push plate (43) is of a U-shaped structure, and the width of the push plate (43) of the U-shaped structure is matched with the width of the main arc-shaped rod (11), the auxiliary arc-shaped rod (21) and the top arc-shaped rod (31).

Technical Field

The invention relates to the technical field of tunnel engineering, in particular to a quickly-installed folding protective shed for a tunnel portal.

Background

The two sides of the tunnel entrance and exit generally have a rockfall phenomenon, in order to prevent the rockfall from damaging the running automobiles and trains, the rockfall needs to be protected, an active protective net or a passive protective net is generally adopted for protection, but due to the fact that the construction difficulty is high, and the traffic needs to be interrupted in the construction process, huge pressure is brought to the traffic. The existing tunnel construction skylight is short in period, and traffic accidents frequently happen during construction in the construction skylight recently, so that a protection shed tunnel which can realize quick installation, requires fewer constructors and prevents casualty accidents and property loss during construction is particularly needed.

Disclosure of Invention

The invention aims to provide a quickly-installed folding type protective shed for a tunnel portal, which can be stretched and conveniently and quickly installed, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a quickly-installed folding type protective shed for a tunnel portal comprises two groups of main frames, two groups of auxiliary frames and a group of top frames, wherein the two groups of main frames comprise a plurality of groups of main arc-shaped rods, and first connecting rods are fixedly connected among the main arc-shaped rods;

the two groups of auxiliary frames comprise a plurality of groups of auxiliary arc-shaped rods, and second connecting rods are fixedly connected among the plurality of groups of auxiliary arc-shaped rods;

the top frame comprises a plurality of groups of top arc-shaped rods, and third connecting rods are fixedly connected among the groups of top arc-shaped rods;

openings are formed in two ends of the auxiliary arc-shaped rod, a fixed shaft is fixedly connected inside the openings, two ends of the top arc-shaped rod are rotatably installed in the openings in one end of the auxiliary arc-shaped rod through the fixed shaft, and the upper end of the main arc-shaped rod is rotatably installed in the opening in the other end of the auxiliary arc-shaped rod through the fixed shaft;

and the surfaces of the first connecting rod, the second connecting rod and the third connecting rod are all provided with a cover plate.

Preferably, the end parts of the opening, the main arc-shaped rod and the top arc-shaped rod are provided with positioning holes, and limiting pins are inserted into the positioning holes.

Preferably, the arc baffles are arranged at the tops of the main arc-shaped rod, the auxiliary arc-shaped rod and the top arc-shaped rod.

Preferably, the mounting plate is welded at the lower end of the main arc-shaped rod, and the mounting hole is formed in the surface of the mounting plate.

Preferably, one side of the main arc-shaped rod at the two ends of the main frame is respectively provided with a butt joint jack and a butt joint inserted rod, and the butt joint inserted rod is movably inserted into the butt joint jack.

Preferably, the end parts of the limiting pin and the butt joint insertion rod are both arranged to be arc-shaped structures, and the end parts of the butt joint insertion hole and the positioning hole are both arranged to be groove structures.

Preferably, the device comprises a flat car, and the flat car is provided with a hydraulic lifting device and a horizontal stretching device.

Preferably, the hydraulic lifting device and the horizontal stretching device both comprise hydraulic cylinders, and the end parts of output shafts of the hydraulic cylinders are fixedly connected with push plates.

Preferably, the push plate is arranged to be of a U-shaped structure, and the width of the push plate of the U-shaped structure is matched with the width of the main arc-shaped rod, the width of the auxiliary arc-shaped rod and the width of the top arc-shaped rod.

In summary, due to the adoption of the technology, the invention has the beneficial effects that:

the main body of the invention comprises a main frame, an auxiliary frame, a top frame, a cover plate and other parts, the main frame, the auxiliary frame and the top frame can be folded and stretched, the shed tunnel is placed on a hydraulic lifting device and a horizontal stretching device of the flat car after being contracted and is transported to an installation site, and the shed tunnel is placed in place through the hydraulic lifting stretching device after being placed in place, so that the installation is convenient, the shed tunnel can be produced in batches in factories, the shed tunnel can be quickly installed in a skylight period, and the construction risk is effectively reduced.

Drawings

FIG. 1 is a schematic structural view showing the contracted states of a main arc-shaped rod, an auxiliary arc-shaped rod and a top arc-shaped rod of a quick-mounting folding type protection shed for a tunnel portal according to the present invention;

FIG. 2 is a schematic structural diagram of the main arc-shaped rod, the auxiliary arc-shaped rod and the top arc-shaped rod of the foldable protection shed for fast installation at a tunnel portal in the unfolding process;

FIG. 3 is a schematic structural view of the unfolded states of the main arc-shaped rod, the auxiliary arc-shaped rod and the top arc-shaped rod of the foldable protection shed for fast installation at a tunnel portal according to the present invention;

FIG. 4 is a schematic structural diagram of a main frame, a sub-frame and a top frame of the rapidly-installed foldable shelter for a tunnel portal according to the present invention in a contracted state;

FIG. 5 is a schematic structural diagram of a main frame, a sub-frame and a top frame of the folding protection shed for fast installation at a tunnel portal during the unfolding process;

FIG. 6 is a schematic structural diagram of the main frame, the sub-frame and the top frame of the rapidly-installed foldable shelter for tunnel portal in an unfolded state according to the present invention;

FIG. 7 is a schematic structural view of a collapsible shelter for a tunnel portal according to the present invention;

FIG. 8 is a schematic structural diagram of a state in the unfolding process of the foldable protection shed for quick installation at a tunnel portal according to the present invention;

FIG. 9 is a schematic structural view of a rapidly installed collapsible shelter for a tunnel portal of the present invention after deployment;

FIG. 10 is a schematic top view of a cross-sectional structure of a secondary curved bar of the present invention for use in a rapid installation folding shelter for a tunnel portal;

FIG. 11 is a schematic structural diagram of a mounting plate for a rapid-mounting folding shelter used in a tunnel portal according to the present invention;

FIG. 12 is a structural diagram illustrating a docking state of a docking jack and a docking plunger of a quick-mounting folding protection shed for a tunnel portal according to the present invention;

fig. 13 is a structural diagram illustrating a state that a shelter for quickly installing a foldable shelter at a tunnel portal is placed on a flat car according to the present invention.

In the figure: 1. a main frame; 11. a main arc-shaped rod; 12. a first connecting rod; 13. butting the jacks; 14. butting the inserted rods; 2. a sub-frame; 21. an auxiliary arc-shaped rod; 22. a second connecting rod; 3. a top frame; 31. a top arcuate bar; 32. a third connecting rod; 4. an opening; 41. a flat car; 42. a hydraulic cylinder; 43. pushing the plate; 5. a fixed shaft; 6. a cover plate; 7. positioning holes; 8. a spacing pin; 9. a circular arc baffle plate; 10. mounting a plate; 101. and (7) installing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of 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. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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 utility model provides a install foldable protection canopy fast for tunnel portal, this foldable protection canopy specifically has three kinds of application mode, three kinds of application mode concrete position: the shed tunnel stretching frameworks are used independently, protective nets are arranged between every two sections of the shed tunnel stretching frameworks for combined use, and steel corrugated protective plates are arranged between every two sections of the shed tunnel stretching frameworks for combined use;

example 1

The invention provides a quick-mounting folding protective shed for a tunnel portal, which comprises a shed tunnel extension framework, wherein the shed tunnel extension framework comprises two groups of main frames 1, two groups of auxiliary frames 2 and a group of top frames 3, the main frames 1, the auxiliary frames 2 and the top frames 3 are mutually connected through pins, so that the whole shed tunnel extension framework can be folded and extended, steel corrugated guard plates are mounted on the surfaces of the main frames 1, the auxiliary frames 2 and the top frames 3 and used for blocking falling rocks, reinforcing materials between the framework and each section can be selected from materials such as square pipes, section steels, I-shaped steels, channel steels and the like, and external reinforcing materials can be selected from materials such as steel corrugated guard plates, such as circular arc plates and the like.

Example 2

The invention provides a quick-mounting folding protective shed for a tunnel portal, which is shown in figures 1-6, 10, 11 and 12 and mainly comprises two groups of main frames 1, a plurality of groups of main arc-shaped rods 11, first connecting rods 12 fixedly connected between the groups of main arc-shaped rods 11, and the groups of main arc-shaped rods 11 connected together by the first connecting rods 12 to form the whole main frames 1, wherein the specific number of the main frames 1 can be selected according to practical application; the two sets of the auxiliary frames 2 comprise a plurality of sets of auxiliary arc-shaped rods 21, second connecting rods 22 are fixedly connected among the plurality of sets of auxiliary arc-shaped rods 21, the plurality of sets of auxiliary arc-shaped rods 21 are connected together through the second connecting rods 22 to form the whole of the auxiliary frames 2, and the specific number of the auxiliary frames can be selected according to practical application; the top frame 3 comprises a plurality of groups of top arc-shaped rods 31, third connecting rods 32 are fixedly connected among the groups of top arc-shaped rods 31, the third connecting rods 32 connect the groups of top arc-shaped rods 31 together to form the whole body of the top frame 3, the specific number of the top arc-shaped rods can be selected according to practical application, the number of the main arc-shaped rods 11, the number of the auxiliary arc-shaped rods 21 and the number of the top arc-shaped rods 31 are the same, and the surfaces of the first connecting rods 12, the second connecting rods 22 and the third connecting rods 32 are all provided with shielding plates 6 for shielding falling rocks;

openings 4 are respectively arranged at two ends of the auxiliary arc-shaped rod 21, a fixed shaft 5 is fixedly connected in the openings 4, rotating holes matched with the fixed shaft 5 are respectively arranged at two ends of the top arc-shaped rod 31 and the upper end of the main arc-shaped rod 11, two ends of the top arc-shaped rod 31 are rotatably arranged in the openings 4 at one end of the auxiliary arc-shaped rod 21 through the fixed shaft 5, the upper end of the main arc-shaped rod 11 is rotatably arranged in the openings 4 at the other end of the auxiliary arc-shaped rod 21 through the fixed shaft 5, the main arc-shaped rod 11, the auxiliary arc-shaped rod 21 and the top arc-shaped rod 31 can be folded and unfolded, an arch structure is formed after the top arc-shaped rod 31 is unfolded and is supported at a tunnel entrance, positioning holes 7 are respectively arranged at the ends of the openings 4, the main arc-shaped rod 11 and the top arc-shaped rod 31, limiting pins 8 are inserted in the positioning holes 7 inside the positioning holes 7, after the main arc-shaped rod 11, the auxiliary arc-shaped rod 21 and the top arc-shaped rod 31 are unfolded, thereby fixing the main arc rod 11, the auxiliary arc rod 21 and the top arc rod 31.

At main arc pole 11, vice arc pole 21, circular arc baffle 9 is all installed at the top of top arc pole 31, mainly be used for sheltering from the clearance between protection canopy and the protection canopy, and butt joint jack 13 and butt joint inserted bar 14 have been seted up respectively in main arc pole 11 one side at main frame 1 both ends, butt joint inserted bar 14 activity is pegged graft in the inside of butt joint jack 13, when protection canopy and protection canopy dock, butt joint inserted bar 14 inserts in butt joint jack 13, do benefit to the butt joint between protection canopy and the protection canopy, and all set up spacer pin 8 and the tip of butt joint inserted bar 14 into arc structure, and all establish into groove structure the tip of butt joint jack 13 and locating hole 7, make things convenient for spacer pin 8 and butt joint inserted bar 14 to insert in locating hole 7 and butt joint jack 13.

All welded mounting panel 10 at the lower extreme of main arc pole 11, mounting hole 101 has been seted up on mounting panel 10's surface, and mounting panel 10 does benefit to the area of contact who improves main arc pole 11 and ground, and mounting hole 101 is used for the rag screw to fix main arc pole 11 subaerial, improves overall stability.

Example 3

Based on the foldable protection shed for rapid installation of the tunnel portal proposed by the embodiment 1 and the embodiment 2, the invention provides an installation mode of the foldable protection shed as shown in fig. 13, and the installation mode comprises a flat car 41, wherein a hydraulic lifting device and a horizontal extending device are assembled on the flat car 41. Hydraulic pressure elevating gear all includes pneumatic cylinder 42 with horizontal extension device, and pneumatic cylinder 42's output shaft end fixedly connected with push pedal 43, and push pedal 43 sets up to U type structure, and the push pedal 43 width of U type structure and the width phase-match of main arc pole 11, vice arc pole 21, top arc pole 31.

Firstly, the produced foldable protection shed is hoisted on a flat car 41 in a factory, during hoisting, the top arc-shaped rod 31 is kept to be placed in a push plate 43 on a hydraulic lifting device, and the main arc-shaped rod 11 is placed in the push plate 43 on a horizontal stretching device;

secondly, transporting the lifted foldable protection shed to a corresponding position of a tunnel entrance through a flat car 41, finishing the folded protection shed at a road slope of the tunnel entrance before the foldable protection shed is lifted, and paving a foundation with concrete;

thirdly, the flat car 41 parks the folding protective shed at a designated position;

fourthly, firstly extending the main arc-shaped rod 11 through a hydraulic cylinder 42 in the horizontal extending device, and then upwards jacking the top arc-shaped rod 31 through the hydraulic cylinder 42 of the hydraulic lifting device, so that the main arc-shaped rod 11, the auxiliary arc-shaped rod 21 and the top arc-shaped rod 31 are unfolded to form an arch structure;

fifthly, the unfolded protection shed is placed on the ground through a lifting mechanism of the flat car 41, and then the limiting pin 8 is inserted into the positioning hole 7, so that the main arc-shaped rod 11, the auxiliary arc-shaped rod 21 and the top arc-shaped rod 31 are fixed, and the first group of protection sheds are placed;

sixthly, mounting a second group of protection sheds, and repeating the steps, wherein when the second group of protection sheds are in butt joint with the first group of protection sheds, butt joint insertion rods 14 on the second group of protection sheds are inserted into the butt joint insertion holes 13, so that the two groups of protection sheds are fixed together;

and seventhly, fixing the mounting plate 10 on the ground by using foundation screws to complete the mounting of the protective shed.

The integral installation is convenient, batch production can be realized in factories, the installation can be quickly realized in a skylight period, and the construction risk is effectively reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be 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.