Adjustable supporting device applied to pipeline excavation and tunnel temporary supporting

Abstract

The utility model discloses an adjustable support device applied to pipeline excavation and tunnel temporary support, which comprises a base and a support mechanism, an angle adjusting mechanism is arranged between the base and the support mechanism, and the base and the support mechanism are rotatably connected through the angle adjusting mechanism. Angle locking mechanisms are arranged on the two sides of the angle adjusting mechanism. According to the supporting device, the angle adjusting mechanism is arranged between the base and the supporting mechanism, so that the angle of the supporting rod can be adjusted when needed, when some side walls are supported, the supporting face is in an inclined state, the supporting rod can rotate by a certain angle to be matched with the supporting face, the supporting state of the supporting device is more stable, and the supporting effect is better. Other auxiliary positioning anchorage devices needing to be additionally arranged are omitted, the supporting device can adapt to more supporting environments, the shape of the positioning insertion groove is matched with that of the positioning insertion block, the supporting rod and the rotating frame are rotationally connected through matching of the positioning insertion groove and the positioning insertion block, and the angle of the supporting rod can be adjusted to complete supporting work under different conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to building support equipment technical field, concretely is a kind of adjustable support device applied to pipeline excavation and tunnel temporary support. BACKGROUND

[0002] ‌The definition of support is to ensure the safety of underground structure construction and the environment around foundation pit, and the support, reinforcement and protection measures are used to the side wall and surrounding environment, specifically, support is to support, reinforce and protect the side wall and surrounding environment of foundation pit by various technical means to ensure the safety of underground structure construction and the environment around foundation pit, for example, when carrying out some tunnel construction, support rod and other support structures need to be used to support work‌;

[0003] Traditional some support rod structures are mostly fixed rod body structure form, although the stability of support can be ensured, but support rod structure is inconvenient to adjust, when carrying out some side wall support, support rod is inclined to support, the bottom end of this fixed form support rod cannot be stably supported, and other anchors need to be additionally increased to assist positioning, which is inconvenient to use.

[0004] In the Chinese patent document with publication number CN220644282U, a kind of adjustable support device is disclosed, the adjustable support device includes bottom plate;Multiple vertical boards, multiple the vertical board is fixedly installed on the top of bottom plate;Shaft, the shaft is rotatably installed on multiple vertical boards;Rotating plate, the rotating plate is fixedly sleeved on the shaft;Foundation guard board, the foundation guard board is fixedly installed on the rotating plate;Slide groove, the slide groove is opened in the foundation guard board;Extension support mechanism, the extension support mechanism is arranged on the foundation guard board;Height adjusting mechanism, the height adjusting mechanism is arranged on the foundation guard board;Angle adjusting mechanism, the angle adjusting mechanism is arranged on the bottom plate.The adjustable support device provided by the utility model has the advantages that the support angle can be adjusted, the support height can be adjusted, and the installation and disassembly are relatively convenient, but the angle adjusting mechanism of the adjustable support device only uses bolt to lock, and the stability of the support structure after angle adjustment is poor, and it is easy to shake.

[0005] In order to solve the above-mentioned problems existing in the prior art, provide a kind of adjustable support device, it is a problem worthy of study. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the shortcomings that support rod is inclined to support and cannot be stably supported when carrying out some side wall support in pipeline and tunnel construction process, providing a kind of adjustable support device applied to pipeline excavation and tunnel temporary support, which realizes the technical effect that the support angle can be adjusted and locked.

[0007] The utility model discloses a purpose is realized through the following technical schemes:

[0008] A kind of adjustable supporting device applied to pipeline excavation and tunnel temporary support, including base and supporting mechanism, angle adjusting mechanism is arranged between the base and supporting mechanism, the base and supporting mechanism are rotationally connected by angle adjusting mechanism, angle locking mechanism is provided on the two sides of the angle adjusting mechanism.

[0009] The angle adjusting mechanism includes fixed frame fixedly connected to the top of base, rotating shaft is rotationally connected to the inside of the fixed frame, the fixed frame is rotationally connected with rotating frame by rotating shaft, positioning slot is formed in the top center of the rotating frame;

[0010] The supporting mechanism includes positioning plug which is matched with the positioning slot, and supporting rod which is fixedly connected to the top of the positioning plug, and the supporting rod can be adjusted in angle when needed, and more supporting environments are adapted.

[0011] The angle locking mechanism includes first movable frame arranged on one side of fixed frame and second movable frame arranged on the other side of fixed frame, the inside of the first movable frame is fixedly connected with limiting column, the inside of the second movable frame is formed with limiting slot, and the inside of the second movable frame is provided with occlusion assembly.

[0012] A plurality of positioning holes are formed in the fixed frame, the positioning holes penetrate through the fixed frame, and the positioning holes are annularly distributed around the rotating shaft.

[0013] Fixing holes are formed in the rotating frame and the positioning plug, the positions of the fixing holes in the rotating frame and the positioning plug are aligned when the positioning plug is inserted into the inside of the positioning slot, the diameters of the positioning holes, the fixing holes and the limiting slot are matched with the diameter of the limiting column, two sets of limiting column, fixing hole and limiting slot structure are correspondingly arranged, the angle adjusting mechanism is locked by the limiting column penetrating through the positioning hole and the fixing hole, so that the supporting stability is not affected by the angle deviation of the supporting structure under large pressure.

[0014] The occlusion assembly includes inner slot formed in the inside of two limiting slots, and locking slot formed on the limiting column.

[0015] Screw rod is rotationally connected in the inside of the inner slot, moving block is slidingly connected in the inside of the inner slot, the moving block is threadedly connected with the screw rod, locking block is fixedly connected on the outside of the moving block, the locking block is inserted into the locking slot of the limiting column when the moving block slides to the outermost side of the inner slot.

[0016] The middle part of the outer side of the second movable frame is provided with an operation notch, and an operation wheel is rotationally connected inside the operation notch, and the shaft center of the operation wheel is fixedly connected with the end of the two screw rods respectively, so that the stability of the supporting device is not affected by the falling of the limiting column during supporting.

[0017] The screw threads on the two sides of the screw rod are oppositely arranged, and the inner groove, the moving block and the locking block are symmetrically arranged, and the two moving blocks and the oppositely arranged screw threads on the screw rod are correspondingly screw-connected.

[0018] The mounting holes are arranged at the four corners of the base.

[0019] Positive beneficial effects: 1. The adjustable supporting device can be combined to form a stable supporting structure through the arrangement of the base, the fixed frame, the rotating frame, the positioning plug, the limiting column supporting rod and other structures, facilitating supporting use.

[0020] 2. The adjustable supporting device can ensure that the supporting rod can be stably and firmly connected with the base structure through the arrangement of the plurality of positioning holes, the movable frame, the two limiting columns, the fixed hole, the movable frame two, the limiting groove and the locking mechanism, and can also be conveniently disassembled and operated, facilitating storage, and the structure can conveniently adjust the inclination angle of the supporting rod to meet the supporting adjustment requirements of different inclination positions. The structure disassembly and assembly operation is simple, flexible and convenient to use, greatly improving the use flexibility and convenience of the supporting rod structure.

[0021] 3. The adjustable supporting device uses the limiting column to pass through the positioning hole and the fixed hole to lock the angle adjustment mechanism, so as to avoid the situation that the angle of the supporting structure deviates when subjected to a large pressure, affecting the supporting stability.

[0022] 4. The adjustable inclined supporting device plays an important role in pipeline excavation and temporary tunnel support. In the pipeline excavation scene, it can adapt to different pipe diameters and geological conditions to provide stable support for construction personnel, effectively prevent soil collapse, and ensure construction safety. In temporary tunnel support, its adjustable feature can flexibly respond to complex tunnel shapes and surrounding rock pressure. Whether in a narrow tunnel space or in a geologically unstable area, a solid supporting structure can be quickly built to ensure smooth tunnel construction and reduce the risk of accidents, providing protection for the efficient advancement of the project. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a front view of the utility model;

[0025] Figure 3The utility model discloses a positioning plug block structure front view of the utility model,

[0026] Figure 4 The utility model discloses a limiting column structure side view,

[0027] Figure 5 The utility model discloses a whole structure inclination adjustment state front view.

[0028] In the figure: 1, base, 2, mounting hole, 3, fixed frame, 4, rotating frame, 5, positioning slot, 6, support rod, 7, positioning plug block, 8, rotating shaft, 9, positioning hole, 10, first movable frame, 11, limiting column, 12, fixed hole, 13, second movable frame, 14, limiting groove, 15, inner groove, 16, screw rod, 17, moving block, 18, locking block, 19, locking groove, 20, operation notch, 21, operation wheel. DETAILED DESCRIPTION

[0029] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model and cannot be understood as limiting the utility model. Embodiment 1

[0030] As Figures 1 to 5 Indicated, a kind of adjustable support device applied to pipeline excavation and tunnel temporary support, including base 1 and support mechanism, angle adjustment mechanism is arranged between base 1 and support mechanism, base 1 and support mechanism are rotationally connected by angle adjustment mechanism, angle adjustment mechanism's both sides are provided with angle locking mechanism.

[0031] As Figures 1 to 2 Indicated, angle adjustment mechanism includes fixedly connected to the fixed frame 3 of base 1 top, the inner side rotationally connected with rotating shaft 8 of fixed frame 3, fixed frame 3 is rotationally connected with rotating frame 4 by rotating shaft 8, rotating frame 4's top center place is equipped with positioning slot 5;

[0032] Support mechanism includes the positioning plug block 7 of cooperation connection with positioning slot 5, and support rod 6 is fixedly connected to the top of positioning plug block 7, by setting angle adjustment mechanism between base 1 and support mechanism, support rod 6 can be adjusted in angle when needed, when carrying out some side wall support, support face is in inclined state, then support rod can rotate a certain angle and support face adaptation, make the support state of this support device more stable, save the need of additional other auxiliary positioning anchor, so that the support device can adapt to more support environment;

[0033] Furthermore, the shape of the positioning slot 5 is adapted to the shape of the positioning block 7. The cooperation between the two allows the support rod 6 to be rotatably connected to the rotating frame 4, enabling the support rod 6 to be angled to complete support work in different situations. Moreover, the support rod 6 can be disassembled as needed and replaced with support rods 6 of different specifications and materials to meet the needs of multi-sided construction support. Example 2

[0034] like Figures 1 to 5 As shown, the angle locking mechanism includes a first movable frame 10 disposed on one side of the fixed frame 3 and a second movable frame 13 disposed on the other side of the fixed frame 3. A limit post 11 is fixedly connected to the inner side of the first movable frame 10, and a limit groove 14 is opened on the inner side of the second movable frame 13. An engagement component is provided inside the second movable frame 13.

[0035] like Figures 1 to 4 As shown, the fixed frame 3 is provided with a number of positioning holes 9, which penetrate the fixed frame 3 and are distributed in a ring around the rotating shaft 8;

[0036] Both the rotating frame 4 and the positioning block 7 are provided with fixing holes 12. When the positioning block 7 is inserted into the positioning slot 5, the positions of the fixing holes 12 on the rotating frame 4 and the positioning block 7 are aligned. The diameters of the positioning hole 9, the fixing hole 12, and the limiting groove 14 are all adapted to the diameter of the limiting post 11. The limiting post 11, the fixing hole 12, and the limiting groove 14 are each provided with two sets of structures. By opening the positioning holes 9 in a ring on the fixed frame 3, during the rotation of the rotating frame 4 and the support rod 6, the fixing holes 12 on the rotating frame 4 and the positioning block 7 are aligned. By aligning the limiting post 11 on the first fixed frame 10 with two positioning holes 9 on the fixed frame 3, the positioning hole 9 and the fixing hole 12 can be inserted, locking the fixed frame 3 and the rotating frame 4 into a single unit. This allows the support device to maintain stable support at that angle. Furthermore, while adjusting the angle of the support device, the limiting post 11, passing through the positioning hole 9 and the fixing hole 12, can lock the angle adjustment mechanism, preventing angle deviation under significant pressure and ensuring the stability of the support.

[0037] After locking the rotating frame 4 with the limiting post 11, insert the limiting post 11 into the limiting groove 14 of the second movable frame 13 to limit and lock the limiting post 11, so that the limiting post 11 remains in a stable inserted state.

[0038] Furthermore, the limiting post 11 passes through the fixing holes 12 on the rotating frame 4 and the positioning block 7 in sequence, further locking the rotating frame 4 and the positioning block 7 to prevent the positioning block 7 from detaching from the rotating frame 4 during the support process, which could lead to a safety accident. Example 3

[0039] like Figure 5As shown, the occlusion assembly comprises an inner slot 15 opened in the inner side of the two limiting slots 14, and a locking slot 19 opened on the limiting column 11.

[0040] The inner slot 15 is rotationally connected with a screw rod 16, and the inner slot 15 is slidingly connected with a moving block 17, the moving block 17 is threadedly connected with the screw rod 16, and the outer side of the moving block 17 is fixedly connected with a locking block 18, when the moving block 17 slides to the outermost side of the inner slot 15, the locking block 18 extends out of the inner slot 15 and is inserted into the locking slot 19 of the limiting column 11.

[0041] The outer middle part of the second movable frame 13 is provided with an operation notch 20, and the operation notch 20 is rotationally connected with an operation wheel 21, the axis of the operation wheel 21 is fixedly connected with the end portions of the two screw rods 16, and the screw rod 16 and the moving block 17 are threadedly matched in the inner part of the second movable frame 13, when the angle adjustment is completed and the limiting column 11 is inserted into the limiting slot 14, the operation wheel 21 on the outer side of the second movable frame 13 is rotated, the operation wheel 21 drives the screw rod 16 in the inner slot 15 to rotate, the moving block 17 is driven to slide outwardly through the thread cooperation between the screw rod 16 and the moving block 17, so that the locking block 18 gradually extends out of the inner slot 15 and enters the locking slot 19, the occlusion assembly with the limiting column 11 is completed, the limiting column 11 is occluded and locked in the limiting slot 14, and the stability of the supporting device is avoided from being affected by the falling of the limiting column 11 during the supporting process.

[0042] When the contact locking is needed, the locking block 18 can be retracted by rotating the operation wheel 21 in the opposite direction, and the outer side of the operation wheel 21 is provided with a protection protrusion.

[0043] Further, a part of the operation wheel 21 extends out of the operation notch 20 and is located on the outer side of the second movable frame 13, so that the user can rotate the operation wheel 21 to complete the locking operation.

[0044] As shown in the figure, Figure 5 The screw threads on the two sides of the screw rod 16 are reversely arranged, the inner slot 15, the moving block 17 and the locking block 18 are symmetrically arranged, and the two moving blocks 17 are threadedly connected with the reverse screw threads on the screw rod 16.

[0045] As shown in the figure, Figure 1 The four corner positions of the base 1 are provided with mounting holes 2.

[0046] The working principle of the utility model is as follows:

[0047] When the adjustable support device is used, the positioning plug 7 is inserted into the positioning slot 5, the rotating frame 4 is rotated, the limiting column 11 is inserted into the corresponding positioning hole 9 after the angle is adjusted, respectively passes through the fixing hole 12 on the rotating frame 4 and the positioning plug 7, and finally is inserted into the limiting slot 14 on the movable frame two 13, the movable frame two 13 and the limiting column 11 are fixed together through the locking mechanism, so that the fixed work of the support rod 6 after adjustment can be carried out, the structure operation is simple, and the use is flexible and convenient.

[0048] The utility model discloses a base, fixed support, rotating frame, positioning plug, limiting column support rod and other structure's setting can be combined to constitute a stable support structure, and convenient support is used.

[0049] The utility model discloses a plurality of positioning hole, movable frame, two limiting column, fixed hole, movable frame two, limiting slot, locking mechanism's setting can guarantee that support rod can be stable firm and base structure is installed together with butt joint, also can convenient dismantling operation simultaneously, convenient storage, and the structure can conveniently adjust the inclination angle of support rod to satisfy the support adjustment demand of different inclination position, and the structure dismantling operation is simple, and the use is flexible and convenient, greatly promotes the use flexibility and convenience of support rod structure.

[0050] The utility model utilizes limiting column to pass through positioning hole and fixed hole and lock angle adjustment mechanism, avoids the situation that the support structure is when being subjected to greater pressure, and the inclination produces the deviation and influences the support stability.

[0051] The utility model plays an important role in pipeline excavation and temporary support of tunnel. In the pipeline excavation scene, it can adapt to different pipe diameters and geological conditions, provide stable support for construction personnel, effectively prevent soil collapse and ensure construction safety. In temporary support of tunnel, its adjustable characteristics can flexibly cope with complex tunnel shape and surrounding rock pressure. Whether in narrow tunnel space or in unstable geological area, it can quickly build a solid support structure, ensure the smooth progress of tunnel construction, reduce accident risk and escort the efficient progress of the project.

Claims

1. An adjustable support device for use in pipe excavation and temporary support of tunnels, comprising a base (1) and a support mechanism, characterised in that: The base (1) and the supporting mechanism are provided with an angle adjusting mechanism, the base (1) and the supporting mechanism are rotatably connected through the angle adjusting mechanism, and the angle adjusting mechanism is provided with an angle locking mechanism on both sides.

2. An adjustable support device for use in pipe excavation and temporary tunnel support according to claim 1, characterized in that: The angle adjusting mechanism comprises a fixed frame (3) fixedly connected to the top of the base (1), a rotating shaft (8) rotatably connected to the inner side of the fixed frame (3), a rotating frame (4) rotatably connected to the fixed frame (3) through the rotating shaft (8), and a positioning slot (5) formed in the center of the top of the rotating frame (4).

3. An adjustable support device for use in pipe jacking and temporary tunnel support according to claim 2, wherein: The supporting mechanism comprises a positioning plug (7) matched with the positioning slot (5) and a supporting rod (6) fixedly connected to the top of the positioning plug (7).

4. An adjustable shoring device for use in pipe jacking and tunneling according to claim 1, wherein: The angle locking mechanism comprises a first movable frame (10) arranged on one side of the fixed frame (3) and a second movable frame (13) arranged on the other side of the fixed frame (3), a limiting column (11) fixedly connected to the inner side of the first movable frame (10), a limiting slot (14) formed in the inner side of the second movable frame (13), and a clamping assembly arranged in the second movable frame (13).

5. An adjustable shoring device for use in pipe jacking and tunneling according to claim 2, wherein: A plurality of positioning holes (9) are formed in the fixed frame (3) and penetrate the fixed frame (3), and the positioning holes (9) are annularly distributed around the rotating shaft (8).

6. An adjustable shoring device for use in pipe jacking and tunneling according to claim 2, wherein: A fixing hole (12) is formed in each of the rotating frame (4) and the positioning plug (7), the positions of the fixing holes (12) in the rotating frame (4) and the positioning plug (7) are aligned when the positioning plug (7) is inserted into the positioning slot (5), the diameters of the positioning holes (9), the fixing holes (12) and the limiting slot (14) are matched with the diameter of the limiting column (11), and two sets of the limiting column (11), the fixing hole (12) and the limiting slot (14) are correspondingly arranged.

7. An adjustable shoring device for use in pipe jacking and tunneling according to claim 4, wherein: The clamping assembly comprises an inner slot (15) formed in the inner side of the two limiting slots (14) and a locking slot (19) formed on the limiting column (11).

8. An adjustable support device for use in pipe jacking and temporary tunnel support according to claim 7, wherein: A screw rod (16) is rotatably connected to the inner side of the inner slot (15), a moving block (17) is slidably connected to the inner side of the inner slot (15), the moving block (17) is threadedly connected with the screw rod (16), locking blocks (18) are fixedly connected to the outer side of the moving block (17), and the locking blocks (18) are inserted into the locking slot (19) of the limiting column (11) when the moving block (17) slides to the outermost side of the inner slot (15).

9. An adjustable shoring device for use in pipe jacking and tunneling according to claim 4, wherein: An operation notch (20) is formed in the middle of the outer side of the second movable frame (13), an operation wheel (21) is rotatably connected to the inner side of the operation notch (20), and the shafts of the operation wheel (21) are fixedly connected with the ends of the two screw rods (16).

10. An adjustable shoring device for use in pipe jacking and tunneling according to claim 8, wherein: The threads on the two sides of the screw rod (16) are oppositely arranged, the inner slot (15), the moving block (17) and the locking block (18) are symmetrically arranged, and the opposite threads on the two moving blocks (17) and the screw rod (16) are correspondingly threadedly connected.

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