Hanging cage for primary support construction of highway tunnel
By designing a hoist cage for the initial support construction of highway tunnels, and using the bucket of a backhoe excavator to drive the hoist cage to rise and move, combined with the channel steel structure to realize the mechanical pushing of anchor bolts, the problem of inconvenient movement of conventional trolleys and scaffolding was solved, construction efficiency was improved and labor intensity was reduced, and it can adapt to the needs of different construction processes.
Patent Information
- Application Number
- CN202520857805.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-30
AI Technical Summary
In the initial support construction of highway tunnels, conventional trolleys and scaffolding are not easy to move, resulting in low efficiency and high labor intensity of anchor bolt construction, especially when working at high positions, which increases the difficulty of construction.
A hoisting cage for initial support construction of highway tunnels is designed. The hoisting cage is lifted and moved by the bucket of a backhoe excavator. Combined with a channel steel structure, it provides jacking support and positioning to realize the mechanical pushing of anchor bolts. A detachable frame and steel mesh platform are adopted to reduce construction difficulty and cost.
It improves the efficiency of anchor bolt construction, reduces labor intensity and construction costs, ensures convenient and safe construction, and allows for rapid evacuation of the cage to avoid danger, adapting to different construction process requirements.
Smart Images
Figure CN223908233U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of tunnel support construction, and particularly relates to a highway tunnel initial support construction cage. BACKGROUND
[0002] In the initial support construction of a highway tunnel, especially a small highway tunnel, if a professional anchor rod trolley is used, the cost is relatively high, so the anchor rod construction of the initial support of the highway tunnel is mostly completed by manual work. In the anchor rod construction process, anchor rod setting and manual grouting operations are limited by the relatively high position of the side wall and the top arch, which limits the construction progress of the workers and greatly increases the construction difficulty of the workers, so conventional trolleys, scaffolds and other equipment are usually used to create an operation platform for the construction personnel to cope with the anchor rod construction at a relatively higher position; however, since the conventional trolleys and scaffolds are inconvenient to move and have low convenience, and the anchor rod needs to be pushed into the hole, the anchor rod construction operation has the problems of low construction efficiency and high labor intensity. SUMMARY
[0003] To solve or partially solve the problems in the prior art, the utility model provides a highway tunnel initial support construction cage, which aims to solve the problems of low construction efficiency and high labor intensity in the anchor rod construction of the initial support of the highway tunnel assisted by conventional trolleys, scaffolds and other equipment.
[0004] The utility model provides a highway tunnel initial support construction cage, which comprises top transverse channel steels, top longitudinal channel steels, bottom transverse channel steels, bottom longitudinal channel steels and a plurality of vertical channel steels arranged vertically.
[0005] The openings of the top transverse channel steels and the top longitudinal channel steels are outwardly arranged, the two end faces of the top longitudinal channel steels are fixedly installed with a backing plate, and the two ends of the two top longitudinal channel steels are detachably fixedly installed between the two ends of the two top transverse channel steels through the backing plate.
[0006] The openings of the bottom transverse channel steels and the bottom longitudinal channel steels are inwardly arranged, the two ends of the two bottom transverse channel steels are fixedly installed between the two ends of the two bottom longitudinal channel steels, a support steel bar is fixedly arranged longitudinally between the two bottom transverse channel steels, a connecting flat steel is fixedly arranged transversely on the support steel bar, and the support steel bar and the connecting flat steel are fixed to form a hollow steel mesh operation platform.
[0007] The two end faces of the vertical channel steels are fixedly installed with a backing plate, and the top transverse channel steels, the top longitudinal channel steels, the bottom transverse channel steels and the bottom longitudinal channel steels are detachably fixedly installed with a plurality of vertical channel steels through the backing plate, the openings of the vertical channel steels are inwardly arranged, and the vertical channel steel located at the middle position of the front side of the cage can be connected with the back of the bucket of the backhoe excavator.
[0008] In an optional solution, a diagonal brace connector is detachably fixed and installed between two adjacent vertical channel steels;
[0009] The diagonal brace connector comprises a first diagonal channel steel and a second diagonal channel steel fixed and installed on the flanges of the first diagonal channel steel, the first diagonal channel steel and the second diagonal channel steel are arranged in a cross manner, and the first diagonal channel steel and the second diagonal channel steel are vertically fixed and installed with a backing plate at one end close to the vertical channel steel, and the first diagonal channel steel and the second diagonal channel steel are detachably fixed and installed on the vertical channel steel through the backing plate.
[0010] In an optional solution, at least one positioning plate is fixed and installed at the opening of the top horizontal channel steel and the top vertical channel steel.
[0011] In an optional solution, a plurality of connecting holes are formed in the waist plate of the vertical channel steel at the middle position of the front side of the cage, and the connecting holes are located at the upper middle position of the vertical channel steel.
[0012] In an optional solution, a grouting pipe hook for suspending a grouting pipe is fixed and installed on the vertical channel steel at the left and right ends of the rear side of the cage.
[0013] The utility model discloses the beneficial effects of:
[0014] The utility model discloses the vertical channel steel at the middle position of the front side of the cage makes the cage connect with the back of the backhoe excavator bucket, can drive the lifting or movement of the cage by controlling the action of the backhoe excavator bucket, realizes the mobile operation, can effectively improve the efficiency of the anchor rod construction, can utilize the mobility of the carrier to evacuate and avoid danger quickly when the sudden situation appears in the tunnel,
[0015] By making the opening of the top horizontal channel steel and the top vertical channel steel outward, the anchor rod to be pushed into the anchor rod hole can be positioned by the opening slot of each channel steel, the anchor rod can be mechanically pushed into the hole instead of manually pushed into the hole, the construction is convenient, the labor intensity of the anchor rod hole construction can be effectively reduced, and the efficiency of the anchor rod construction is improved.
[0016] By detachably connecting the top horizontal channel steel, the top vertical channel steel, the vertical channel steel of the cage and the bottom support member formed by the bottom horizontal channel steel, the bottom vertical channel steel and the connecting flat steel, the manufacturing is convenient, the disassembly and assembly are convenient, the space occupied after the disassembly of the cage is small, the transportation is convenient, the materials of each part are convenient, the manufacturing cost is low, the economic benefit is high, the construction position switching and the anchor rod pushing can be completed by the backhoe excavator, and the construction cost can be effectively reduced.
[0017] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0019] Figure 1 This is a front view schematic diagram of the cage in one embodiment of this application;
[0020] Figure 2 yes Figure 1 Enlarged view of part A;
[0021] Figure 3 yes Figure 1 Enlarged view of Part B;
[0022] Figure 4 This is a left view of the cage in one embodiment of this application;
[0023] Figure 5 yes Figure 4 Enlarged view of part C;
[0024] Figure 6 This is a top view of the cage in one embodiment of this application;
[0025] Figure 7 yes Figure 6 Enlarged view of part D;
[0026] Figure 8 This is a schematic diagram showing the connection between the vertical channel steel and the back of the bucket of a backhoe excavator in one embodiment of this application.
[0027] The following are the reference numerals in the diagram: 1-Top transverse channel steel, 2-Top longitudinal channel steel, 3-Bottom transverse channel steel, 4-Bottom longitudinal channel steel, 5-Vertical channel steel, 501 connecting hole, 6-Plate, 7-Supporting reinforcing bar, 8-Connecting flat steel, 9-Diagonal brace connector, 91-First diagonal channel steel, 92-Second diagonal channel steel, 10-Positioning plate, 11-Grouting pipe hook, 12-Bolt, 100-Reinforcing mesh working platform, 200-Backhoe excavator bucket. Detailed Implementation
[0028] The specific embodiments of the present application will be further described in the following detailed description. The following examples are intended to illustrate the present application but not to limit the scope of the present application. Similarly, the following examples are only part of the embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0030] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.
[0031] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected or can communicate with each other; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication or interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0032] In this application, the terms "one embodiment," "some embodiments," "an example," "specific examples," or "some examples," mean that a particular feature, structure, material, or characteristic is included in at least one embodiment or example of the present application. Exemplary expressions of the above terms do not necessarily refer to the same embodiment or example in this specification, and the particular features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification and the features of different embodiments or examples, without contradiction.
[0033] In the prior art, anchor rod construction of highway tunnel primary support is assisted by conventional trolleys, scaffolds and other equipment. Due to the inconvenience of moving operation, low convenience, and the need to use a hand push to enter the hole, the anchor rod construction operation has the problems of low construction efficiency and high labor intensity.
[0034] To solve the above problems, the present application makes improvements and innovations, and proposes the following embodiments.
[0035] In some embodiments, referring to Figures 1-8 The present application provides a highway tunnel primary support construction cage, comprising top transverse channel steel 1, top longitudinal channel steel 2, bottom transverse channel steel 3, bottom longitudinal channel steel 4 and a plurality of vertical vertical channel steel 5 arranged vertically in pairs.
[0036] Among them, the opening of the top transverse channel steel 1 and the top longitudinal channel steel 2 is outwardly arranged, the two end faces of the top longitudinal channel steel 2 are fixedly installed with a pad 6, a through hole is formed in the pad 6, and a through hole is formed in the waist plate of the two top transverse channel steels 1 at the position corresponding to the pad 6. By passing the through holes in the corresponding pad 6 and the waist plate of the top transverse channel steel 1 through the bolt 12, the two ends of the two top longitudinal channel steels 2 can be detachably fixed and installed between the two ends of the two top transverse channel steels 1 through the pad 6 and the bolt 12, thereby forming a top frame.
[0037] The openings of the bottom transverse channel steel 3 and the bottom longitudinal channel steel 4 are arranged inwardly, and the two ends of the two bottom transverse channel steels 3 are respectively fixedly installed between the two ends of the two bottom longitudinal channel steels 4, that is, the wing plates at the two ends of the bottom transverse channel steel 3 are welded and fixed with the side surfaces of the wing plates at the two ends of the bottom longitudinal channel steel 4, so as to form a bottom frame. The support steel bars 7 are longitudinally welded and fixed between the two bottom transverse channel steels 3, and the connecting flat steels 8 are transversely welded and fixed on the support steel bars 7. By arranging the openings of the bottom transverse channel steel 3 inwardly, the opening slots and the lower wing plates of the two bottom transverse channel steels 3 can provide installation space and welding points for the support steel bars 7, so as to ensure the stable installation of the support steel bars 7. By arranging the openings of the bottom longitudinal channel steel 4 inwardly, the opening slots and the waist plates of the two bottom longitudinal channel steels 4 can provide installation space and welding points for the support steel bars 7, so that the hollow steel mesh operation platform 100 is formed by fixing the support steel bars 7 and the connecting flat steels 8, so as to facilitate the construction personnel to stand on the steel mesh operation platform 100 to perform construction operation. At the same time, the hollow structure of the steel mesh operation platform 100 can facilitate the putting or taking out of anchor rods of different specifications into or out of the cage, and can meet the anchor rod construction operation under different construction processes.
[0038] The bottom frame and the steel mesh operation platform 100 are welded and fixed to form a bottom support member which can be integrally disassembled, so that the cage can be integrally disassembled, and the secondary welding of the bottom frame and the steel mesh operation platform 100 is omitted, which is beneficial to improve the assembly efficiency of the cage and shorten the construction period.
[0039] The two end faces of the vertical channel steel 5 are fixedly provided with a backing plate 6, and the openings of the vertical channel steel 5 are arranged inwardly. The backing plate 6 is provided with a through hole. The lower flange plate of the top horizontal channel steel 1, the lower flange plate of the top vertical channel steel 2, the upper flange plate of the bottom horizontal channel steel 3, and the upper flange plate of the bottom vertical channel steel 4 are provided with through holes corresponding to the positions of the vertical channel steel 5. The vertical channel steel 5 is detachably fixed and installed between the top horizontal channel steel 1, the top vertical channel steel 2, the bottom horizontal channel steel 3, and the bottom vertical channel steel 4 through the through holes in the corresponding backing plate 6 and the flange plate of the channel steel and the bolts 12. Thus, the detachable installation of the top frame and the bottom frame is realized, and the top frame, the bottom frame, the reinforced mesh working platform 100, and the vertical channel steel 5 form the highway tunnel primary support construction cage. The vertical channel steel 5 at the middle position of the front side of the cage is connected with the back of the backhoe excavator bucket 200. Thus, the backhoe excavator bucket 200 can be used as a carrier for installing the cage. The lifting or movement of the cage can be driven by controlling the action of the backhoe excavator bucket 200, so as to realize the movement operation. Thus, the problems of the conventional trolley and scaffold in the prior art, such as inconvenient movement operation and low convenience, can be avoided, and the efficiency of the anchor rod construction can be effectively improved. Meanwhile, when an emergency occurs in the tunnel, the carrier can be quickly withdrawn for safety, so as to protect the safety of the construction personnel.
[0040] In the embodiment, the openings of the top horizontal channel steel 1 and the top vertical channel steel 2 are arranged outwardly. Thus, the anchor rod to be pushed into the anchor rod hole can be positioned by the open channel of each channel steel. Specifically, for the construction site where the anchor rod needs to be inserted after grouting, the specified proportion of slurry is injected into the hole through the grouting pipe. After grouting is completed, the front section of the anchor rod can be inserted into the hole, and the end of the anchor rod is clamped in the open channel of each channel steel of the top frame. Then, the cage is lifted or moved as a whole by controlling the action of the backhoe excavator bucket 200. Thus, the anchor rod can be pushed into place, so as to realize the mechanical pushing of the anchor rod into the hole instead of the traditional manual pushing. The construction is convenient, the labor intensity of the anchor rod construction into the hole can be effectively reduced, and the efficiency of the anchor rod construction can be improved.
[0041] In the embodiment, the top horizontal channel steel 1, the top vertical channel steel 2, the vertical channel steel 5, and the bottom support member formed by the bottom horizontal channel steel 3, the bottom vertical channel steel 4, the support reinforcing steel 7, and the connecting flat steel 8 are connected in a detachable manner. The cage is convenient to manufacture and detach, occupies small space after being detached, is convenient to transport, and is convenient to obtain materials and low in manufacturing cost. The economic benefit is high. The construction position switching and the anchor rod pushing can be completed by the backhoe excavator. The construction cost can be effectively reduced.
[0042] In some embodiments, the highway tunnel primary support construction cage further comprises a diagonal brace connecting piece 9, which is detachably fixed and installed between two adjacent vertical channel steels 5; the diagonal brace connecting piece 9 comprises a first diagonal channel steel 91 and a second diagonal channel steel 92 fixed and installed on the two side flanges of the first diagonal channel steel 91 by welding, so that the first diagonal channel steel 91 and the second diagonal channel steel 92 are arranged in a cross shape, and the first diagonal channel steel 91 and the second diagonal channel steel 92 are vertically fixed and installed with a base plate 6 at one end close to the vertical channel steel 5, the base plate 6 is provided with a through hole, and the vertical channel steel 5 is provided with a through hole at a position corresponding to the installation position of the first diagonal channel steel 91 and the second diagonal channel steel 92, so that the first diagonal channel steel 91 and the second diagonal channel steel 92 can be detachably fixed and installed on the vertical channel steel 5 through the base plate 6 and the bolt 12 by passing through the through holes in the corresponding base plate 6 and vertical channel steel 5. In this way, by installing a diagonal brace connecting piece 9 between two adjacent vertical channel steels 5, the structural strength of the cage and the overall stability of the cage can be effectively improved.
[0043] Specifically, by arranging the openings of the vertical channel steels 5 inward, the two side flanges or waist plates of each vertical channel steel 5 can provide an installation basis for the first diagonal channel steel 91, the second diagonal channel steel 92 and the base plate 6 thereon, wherein the through holes in the two vertical channel steels 5 located at the middle position of the front side of the cage are arranged on the two side flanges at the upper and lower ends, and the through holes in the vertical channel steels 5 located at the four corner positions of the cage are arranged on the waist plates at the upper and lower ends.
[0044] In some embodiments, different lengths of top horizontal channel steel 1, top longitudinal channel steel 2, bottom horizontal channel steel 3, bottom longitudinal channel steel 4 and vertical channel steel 5 can be used to form cages of different sizes according to actual needs, and one or more vertical channel steels 5 and diagonal brace connecting pieces 9 can be installed within the range between the vertical channel steels 5 located at the four corners of the cage according to the actual length of each channel steel to ensure the structural strength of the cage.
[0045] In some embodiments, at least one positioning plate 10 is fixed and installed in the inner part of the opening of the top horizontal channel steel 1 and the top longitudinal channel steel 2, that is, one or more positioning plates 10 are welded and fixed in the opening channel of the top horizontal channel steel 1 and the top longitudinal channel steel 2. In this way, a positioning point can be formed at the connection between the positioning plate 10 and the top horizontal channel steel 1 or the top longitudinal channel steel 2, so that the positioning plate 10 can prevent the anchor rod from sliding when it is pushed by the backhoe excavator bucket 200 after being clamped in the opening channel of the top horizontal channel steel 1 or the top longitudinal channel steel 2, thereby effectively ensuring the stability of the anchor rod during the pushing process and ensuring the quality of the anchor rod construction.
[0046] In some embodiments, a plurality of connecting holes 501 are formed on the waist plate of the vertical channel steel 5 located at the middle position of the front side of the cage, and corresponding through holes are formed on the back of the backhoe excavator bucket 200, and the vertical channel steel 5 located at the middle position of the front side of the cage is connected with the back of the backhoe excavator bucket 200 by bolts 12 passing through the through holes on the back of the backhoe excavator bucket 200 and the connecting holes 501, so as to realize the installation of the cage on the backhoe excavator bucket 200. By arranging the opening of the vertical channel steel 5 inward, the back of the waist plate of the vertical channel steel 5 can be in close contact with the back of the backhoe excavator bucket 200, which is beneficial to improve the connection stability of the cage and the backhoe excavator bucket 200; and the connecting holes 501 are formed at the upper middle position of the vertical channel steel 5, so that the center of gravity of the cage on the backhoe excavator bucket 200 can be reduced, thereby effectively improving the installation stability of the cage on the backhoe excavator bucket 200.
[0047] In some embodiments, grouting pipe hangers 11 for suspending grouting pipes are fixedly installed on the vertical channel steels 5 located at the left and right ends of the back side of the cage, so that the grouting pipes can be suspended by the grouting pipe hangers 11 during the construction of the anchor rod, so as to facilitate the grouting operation of the anchor rod.
[0048] Finally, it should be noted that although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model, which should be included in the protection scope of the present application.
Claims
1. A highway tunnel primary support construction cage, characterized in that: Comprising respectively two pairs of parallel horizontal arrangement of top transverse channel steel (1), top longitudinal channel steel (2), bottom transverse channel steel (3), bottom longitudinal channel steel (4) and a plurality of vertical arrangement of vertical channel steel (5); The opening of the top transverse channel steel (1) and the top longitudinal channel steel (2) is outwardly arranged, and the two end faces of the top longitudinal channel steel (2) are fixedly installed with a backing plate (6), and the two ends of the two top longitudinal channel steels (2) are detachably fixedly installed between the two ends of the two top transverse channel steels (1) through the backing plate (6); The opening of the bottom transverse channel steel (3) and the bottom longitudinal channel steel (4) is inwardly arranged, and the two ends of the two bottom transverse channel steels (3) are fixedly installed between the two ends of the two bottom longitudinal channel steels (4), respectively, and a support steel bar (7) is fixedly arranged between the two bottom transverse channel steels (3) in longitudinal direction, a connecting flat steel (8) is fixedly arranged on the support steel bar (7) in transverse direction, and the support steel bar (7) and the connecting flat steel (8) are fixed to form a hollow reinforced mesh working platform (100). The two end faces of the vertical channel steel (5) are fixedly installed with a backing plate (6), and a plurality of vertical channel steels (5) are detachably fixedly installed between the top transverse channel steel (1), the top longitudinal channel steel (2) and the bottom transverse channel steel (3), the bottom longitudinal channel steel (4) through the backing plate (6), the opening of each vertical channel steel (5) is inwardly arranged, and the vertical channel steel (5) located at the middle position of the front side of the cage can be connected with the back of the backhoe excavator bucket (200).
2. The highway tunnel primary support construction cage according to claim 1, characterized in that: It further comprises a diagonal bracing connecting piece (9) which is detachably fixedly installed between adjacent two vertical channel steels (5); The diagonal bracing connecting piece (9) comprises a first diagonal channel steel (91) and a second diagonal channel steel (92) fixedly installed on the wing plates on both sides of the first diagonal channel steel (91), the first diagonal channel steel (91) and the second diagonal channel steel (92) are cross arranged, and one end of the first diagonal channel steel (91) and the second diagonal channel steel (92) near the vertical channel steel (5) is fixedly installed with a backing plate (6), and the first diagonal channel steel (91) and the second diagonal channel steel (92) are detachably fixedly installed on the vertical channel steel (5) through the backing plate (6).
3. The highway tunnel primary support construction cage according to claim 1 or 2, characterized in that: At least one positioning plate (10) is fixedly installed in the opening of the top transverse channel steel (1) and the top longitudinal channel steel (2), respectively.
4. The highway tunnel primary support construction cage according to claim 1, characterized in that: A plurality of connecting holes (501) are formed in the waist plate of the vertical channel steel (5) located at the middle position of the front side of the cage, and the connecting holes (501) are located at the upper middle position of the vertical channel steel (5).
5. The highway tunnel primary support construction cage according to claim 1 or 4, characterized in that: The vertical channel steel (5) at the left and right ends of the rear side of the cage is fixedly installed with a grouting pipe hook (11) for suspending a grouting pipe.