Protective bracket for tunnel construction

Abstract

The utility model discloses a protection supporting frame for tunnel construction, the protection supporting frame for tunnel construction comprises an arc-shaped supporting frame, a gap compensation assembly and a driving unit, the driving unit is connected with a supporting adjusting assembly, the driving unit is connected with the gap compensation assembly, and the gap compensation assembly is connected with the arc-shaped supporting frame. The driving unit is used for driving the clearance compensation assembly to move; in order to solve the problem that in the prior art, when a common supporting assembly structure is used for supporting surrounding rock of a tunnel, due to the fact that the structural forms of the surrounding rock in different environments have certain differences, gaps are likely to exist between a support and the surrounding rock due to the form differences during supporting, and the surrounding rock is loosened, a supporting adjusting assembly is designed; through cooperative use of the supporting adjusting assembly and the driving unit, the clearance compensation assembly can be automatically made to move during supporting, further supporting compensation is conducted on possible clearances, and the loosening phenomenon caused by the clearances is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of tunnel supports, in particular to a protective support used in tunnel construction. Background Art

[0002] Tunnel supports, also known as tunnel support frames, are important components used to support and protect the stability of tunnel structures in tunnel engineering. Tunnel supports can effectively support the rock and soil around the tunnel, prevent collapse and deformation caused by excavation, and ensure construction safety. Tunnel supports are an indispensable and important component in tunnel engineering.

[0003] The existing patent document "CN219974520U Tunnel Construction Support Frame" discloses a tunnel support frame. When the tunnel support frame in the above technical solution supports the surrounding rock of the tunnel, due to the structural morphology of the surrounding rock in different environments, a gap is easily formed between the support and the surrounding rock due to the morphological differences, resulting in the problem of loosening of the surrounding rock.

[0004] That is, the existing technology has the following technical problems: when supporting, ordinary tunnel support frames are prone to gaps between the support frame and the surrounding rock, causing the surrounding rock to loosen. Therefore, to address the above problem, a protective support frame for tunnel construction is proposed. Summary of the Invention

[0005] In this embodiment, a protective support frame for tunnel construction is provided to solve the problem in the prior art that a gap easily exists between the ordinary tunnel support frame and the surrounding rock during support, resulting in loosening of the surrounding rock.

[0006] According to one aspect of the present application, a protective support frame for tunnel construction is provided, wherein the protective support frame for tunnel construction comprises:

[0007] An arc-shaped support frame, wherein support adjustment components are fixedly provided at both ends of the arc-shaped support frame, and the support adjustment components can be raised and lowered, and the support adjustment components are used to support the arc-shaped support frame;

[0008] A gap compensation component is fixedly arranged on the arc-shaped support frame, and is used to compensate for the gap between the arc-shaped support frame and the surrounding rock;

[0009] A driving unit is connected to the support adjustment component, and is connected to the gap compensation component. The driving unit is used to drive the gap compensation component to move.

[0010] Furthermore, a placement groove is provided at the middle position of the arc-shaped support frame.

[0011] Further, the gap compensation assembly is provided with several gap compensation assemblies, and the several gap compensation assemblies are fixedly arranged at the placing grooves of the arc-shaped support frames.

[0012] Further, the gap compensation assembly comprises a fixed cylinder, a moving piston, a push rod, a compensation top plate and a connecting pipeline, the fixed cylinder is fixedly arranged at the arc-shaped support frame, the moving piston is slidably connected in the inner cavity of the fixed cylinder, one end of the push rod is fixedly connected to the upper surface of the moving piston, the other end of the push rod extends out of the inner cavity upper wall of the fixed cylinder, and the top end of the push rod is fixedly connected with the compensation top plate.

[0013] Further, the connecting pipeline is fixedly connected between the fixed cylinder and the inner cavity of the fixed cylinder.

[0014] Further, the support adjusting assembly comprises a fixed bottom plate, a rectangular fixed column, a moving top column, a fixed block, a fixed plate, a servo drive motor and a threaded rod, the bottom end of the rectangular fixed column is fixedly connected with the fixed bottom plate, the rectangular fixed column is internally provided with a sliding groove cavity, the moving top column is slidably connected in the sliding groove cavity of the rectangular fixed column, the moving top column is internally provided with an inner cavity, and the fixed block is fixedly arranged in the inner cavity of the moving top column.

[0015] Further, the rectangular fixed column is internally fixedly provided with the fixed plate, the threaded rod is rotatably connected to the upper surface of the fixed plate, the upper end of the threaded rod extends into the inner cavity of the moving top column, and the moving top column penetrates through the fixed block and is threadedly connected with the fixed block.

[0016] Further, the servo drive motor is fixedly installed at the inner cavity bottom side of the rectangular fixed column, and the output shaft end of the servo drive motor is fixedly connected with the bottom end of the threaded rod.

[0017] Further, the driving unit comprises a fixed side plate, a pipeline, a fixed cylinder, a piston, a top rod and a moving frame, the fixed side plate is fixedly arranged at the side wall of the rectangular fixed column, the fixed cylinder is fixedly connected to the bottom surface of the fixed side plate, the piston is slidably connected in the inner cavity of the fixed cylinder, one end of the top rod is fixedly connected to the bottom surface of the piston, and the other end of the top rod extends out of the inner cavity bottom wall of the fixed cylinder.

[0018] Further, the moving frame is arranged at the side wall of the rectangular fixed column and slidably connected with the rectangular fixed column, the moving frame is fixedly connected with the moving top column, the bottom end of the top rod is fixedly connected with the upper surface of the moving frame, the inner cavity of the fixed cylinder is filled with oil, one end of the pipeline is fixedly connected in the inner cavity of the fixed cylinder, and the other end of the pipeline extends into the inner cavity of the fixed cylinder and is fixedly connected with the fixed cylinder.

[0019] Through the technical scheme of the present application, in order to solve the problem that the ordinary support assembly structure in the prior art is easy to cause the surrounding rock to be loose when supporting the surrounding rock of the tunnel because of the difference in the structure form of the surrounding rock in different environments, the support adjusting assembly is designed, and through the cooperation of the support adjusting assembly and the driving unit, the gap compensation assembly can be automatically moved to further support and compensate the possible gap when supporting, thereby avoiding the loosening phenomenon caused by the gap. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 The overall structure schematic diagram of an embodiment of the present application;

[0022] Figure 2 The front structure schematic diagram of an embodiment of the present application;

[0023] Figure 3 The internal structure schematic diagram of the gap compensation assembly of an embodiment of the present application;

[0024] Figure 4 The internal structure schematic diagram of the driving unit of an embodiment of the present application.

[0025] In the drawings:

[0026] Arc-shaped support frame 1;

[0027] Support adjusting assembly 2, fixed bottom plate 201, rectangular fixed vertical column 202, movable top column 203, fixed block 204, fixed plate 205, servo drive motor 206, threaded rod 207;

[0028] Gap compensation assembly 3, fixed cylinder 301, movable piston 302, push rod 303, compensation top plate 304, connecting pipeline 305;

[0029] Driving unit 4, fixed side plate 401, pipeline 402, fixed cylinder 403, piston 404, top rod 405, movable frame 406. DETAILED DESCRIPTION

[0030] In order to better understand the present application by those skilled in the art, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0032] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0033] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0034] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0035] Please refer to Figures 1-4 As shown in the drawings, the protective support frame for tunnel construction comprises:

[0036] The arc-shaped support frame 1 is provided with a support adjusting assembly 2 at both ends, which can be lifted and moved, and is used for supporting the arc-shaped support frame 1.

[0037] The gap compensation assembly 3 is fixedly arranged on the arc-shaped support frame 1 and is used for compensating the gap between the arc-shaped support frame 1 and the surrounding rock.

[0038] The driving unit 4 is connected between the support adjusting assembly 2 and the gap compensation assembly 3, and is used for driving the gap compensation assembly 3 to move.

[0039] Through the above technical scheme, by cooperating the support adjusting assembly 2 with the driving unit 4, the gap compensation assembly 3 can be automatically moved to further support the possible gap when supporting, so as to avoid the loosening phenomenon caused by the gap.

[0040] The gap compensation assembly 3 is provided with a plurality of gap compensation assemblies 3, which are fixedly arranged at the placement groove of the arc-shaped support frame 1 at equal intervals.

[0041] The gap compensation assembly 3 comprises a fixed cylinder 301, a moving piston 302, a push rod 303, a compensation top plate 304 and a connecting pipeline 305. The fixed cylinder 301 is fixedly arranged on the arc-shaped support frame 1. The moving piston 302 is slidably connected in the inner cavity of the fixed cylinder 301. One end of the push rod 303 is fixedly connected to the upper surface of the moving piston 302. The other end of the push rod 303 penetrates the upper wall of the inner cavity of the fixed cylinder 301 and extends outside the wall. The compensation top plate 304 is fixedly connected to the top end of the push rod 303.

[0042] The connecting pipeline 305 is fixedly connected between the fixed cylinder 301 and the inner cavity of the fixed cylinder 301. When the arc-shaped support frame 1 is attached to and supported by the top wall of the tunnel, and there is a certain gap between the arc-shaped support frame 1 and the tunnel rock wall, the compensation top plate 304 can continuously support the gap, further supporting the gap, thereby reducing the loosening phenomenon caused by the gap.

[0043] The support adjusting assembly 2 comprises a fixed bottom plate 201, a rectangular fixed stand 202, a moving top column 203, a fixed block 204, a fixed plate 205, a servo drive motor 206 and a threaded rod 207, the bottom end of the rectangular fixed stand 202 is fixedly connected with the fixed bottom plate 201, the inside of the rectangular fixed stand 202 is provided with a sliding groove cavity, the moving top column 203 is slidably connected in the sliding groove cavity of the rectangular fixed stand 202, the inside of the moving top column 203 is provided with an inner cavity, and the fixed block 204 is fixedly arranged in the inner cavity of the moving top column 203;

[0044] The inside of the rectangular fixed stand 202 is fixedly provided with the fixed plate 205, the upper surface of the fixed plate 205 is rotatably connected with the threaded rod 207, the upper end of the threaded rod 207 extends into the inner cavity of the moving top column 203, and the moving top column 203 penetrates through the fixed block 204 and is in threaded connection with the fixed block 204;

[0045] The inner cavity bottom side of the rectangular fixed stand 202 is fixedly installed with the servo drive motor 206, and the output shaft tail end of the servo drive motor 206 is fixedly connected with the bottom end of the threaded rod 207, through the technical scheme, the threaded rod 207 can be rotated by the working of the servo drive motor 206, so that the fixed block 204 can be moved through the rotation of the threaded rod 207, so that the moving top column 203 can be moved through the movement of the fixed block 204, and then the arc-shaped support frame 1 is moved, so that the arc-shaped support frame 1 supports upwardly and supports and protects the inner wall of the tunnel;

[0046] The driving unit 4 comprises a fixed side plate 401, a pipe 402, a fixed cylinder 403, a piston 404, a top rod 405 and a moving frame 406, the fixed side plate 401 is fixedly arranged at the side wall of the rectangular fixed stand 202, the bottom surface of the fixed side plate 401 is fixedly connected with the fixed cylinder 403, the inner cavity of the fixed cylinder 403 is slidably connected with the piston 404, one end of the top rod 405 is fixedly connected with the bottom surface of the piston 404, and the other end of the top rod 405 extends to the outside of the wall and penetrates through the inner cavity bottom wall of the fixed cylinder 403;

[0047] The movable frame 406 is arranged at the side wall of the rectangular fixed column 202 and is slidably matched with the rectangular fixed column 202. The movable frame 406 is fixedly connected to the movable top column 203. The bottom end of the top rod 405 is fixedly connected to the upper surface of the movable frame 406. The inner cavity of the fixed cylinder 403 is filled with oil. One end of the pipe 402 is fixedly connected to the inner cavity of the fixed cylinder 403. The other end of the pipe 402 extends to the inner cavity of the fixed cylinder 301 and is fixedly connected to the fixed cylinder 301. Through this technical solution, when the movable top column 203 moves upward, When the arc-shaped support frame 1 is supported upward, the movement of the movable top column 203 can drive the movable frame 406 to move, thereby pushing the push rod 405 to move, and then driving the piston 404 to move. The movement of the piston 404 can make the oil in the inner cavity of the fixed cylinder 403 be transported to the inner cavity of the fixed cylinder 301, thereby pushing the movable piston 302 to move, and then driving the push rod 303 to move, thereby pushing the compensation top plate 304 to move, so that the compensation top plate 304 is continuously supported upward, thereby supporting and compensating the gap.

[0048] The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.

[0049] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A protective support frame for tunnel construction, characterized by: The protective support frame for tunnel construction includes: An arc-shaped support frame (1), wherein support adjustment components (2) are fixedly provided at both ends of the arc-shaped support frame (1), the support adjustment components (2) can be raised and lowered, and the support adjustment components (2) are used to support the arc-shaped support frame (1); A gap compensation component (3), wherein the gap compensation component (3) is fixedly arranged at the arc-shaped support frame (1), and the gap compensation component (3) is used to compensate for the gap between the arc-shaped support frame (1) and the surrounding rock; A drive unit (4) is connected to the support adjustment component (2), and is connected to the gap compensation component (3). The drive unit (4) is used to drive the gap compensation component (3) to move.

2. The protective support for tunnel construction according to claim 1, characterized in that: A placement groove is provided at the middle of the arc-shaped support frame (1).

3. The protective support for tunnel construction according to claim 1, characterized in that: A plurality of the gap compensation components (3) are provided, and the plurality of the gap compensation components (3) are fixedly arranged at equal intervals in the placement groove of the arc-shaped support frame (1).

4. The protective support frame for tunnel construction according to claim 1, characterized in that: The gap compensation component (3) comprises a fixed cylinder (301), a movable piston (302), a push rod (303), a compensation top plate (304) and a connecting pipe (305); the fixed cylinder (301) is fixedly arranged on the arc-shaped support frame (1); the movable piston (302) is slidably connected in the inner cavity of the fixed cylinder (301); one end of the push rod (303) is fixedly connected to the upper surface of the movable piston (302); the other end of the push rod (303) passes through the upper wall of the inner cavity of the fixed cylinder (301) and extends to the outside of the wall; the top end of the push rod (303) is fixedly connected to the compensation top plate (304).

5. The protective support frame for tunnel construction according to claim 4, characterized in that: A connecting pipe (305) is fixedly connected between the fixed cylinder (301) and the inner cavity of the fixed cylinder (301).

6. The protective support frame for tunnel construction according to claim 1, characterized in that: The support adjustment component (2) comprises a fixed base plate (201), a rectangular fixed column (202), a movable top column (203), a fixed block (204), a fixed plate (205), a servo drive motor (206) and a threaded rod (207); the bottom end of the rectangular fixed column (202) is fixedly connected to the fixed base plate (201); a chute cavity is provided inside the rectangular fixed column (202); the movable top column (203) is slidably connected in the chute cavity of the rectangular fixed column (202); an inner cavity is provided inside the movable top column (203); and the fixed block (204) is fixedly provided in the inner cavity of the movable top column (203).

7. The protective support for tunnel construction according to claim 6, characterized in that: A fixing plate (205) is fixedly provided inside the rectangular fixed column (202), and a threaded rod (207) is rotatably connected to the upper surface of the fixing plate (205). The upper end of the threaded rod (207) extends into the inner cavity of the movable top column (203), and the movable top column (203) passes through the fixed block (204) and is threadedly engaged with the fixed block (204).

8. The protective support frame for tunnel construction according to claim 6, characterized in that: A servo drive motor (206) is fixedly mounted on the bottom side of the inner cavity of the rectangular fixed column (202), and the output shaft end of the servo drive motor (206) is fixedly connected to the bottom end of the threaded rod (207).

9. The protective support frame for tunnel construction according to claim 1, characterized in that: The driving unit (4) comprises a fixed side plate (401), a pipe (402), a fixed cylinder (403), a piston (404), a push rod (405) and a movable frame (406); the fixed side plate (401) is fixedly arranged on the side wall of the rectangular fixed column (202); the fixed cylinder (403) is fixedly connected to the bottom surface of the fixed side plate (401); the piston (404) is slidably connected in the inner cavity of the fixed cylinder (403); one end of the push rod (405) is fixedly connected to the bottom surface of the piston (404); the other end of the push rod (405) passes through the inner cavity bottom wall of the fixed cylinder (403) and extends outside the wall.

10. The protective support frame for tunnel construction according to claim 9, characterized in that: The movable frame (406) is arranged at the side wall of the rectangular fixed column (202) and is slidably matched with the rectangular fixed column (202); the movable frame (406) is fixedly connected to the movable top column (203); the bottom end of the top rod (405) is fixedly connected to the upper surface of the movable frame (406); the inner cavity of the fixed cylinder (403) is filled with oil; one end of the pipe (402) is fixedly connected to the inner cavity of the fixed cylinder (403); the other end of the pipe (402) extends into the inner cavity of the fixed cylinder (301) and is fixedly connected to the fixed cylinder (301).

Images