Trench excavation side wall auxiliary supporting structure

Abstract

The utility model discloses a ditch excavation side wall auxiliary supporting structure, and relates to the technical field of ditch excavation side wall supporting, the ditch excavation side wall auxiliary supporting structure comprises a cross beam and external expansion plates, the two sides of the cross beam are symmetrically connected with the external expansion plates in a sliding mode, and the bottom of the cross beam is symmetrically connected with sliding plates in a sliding mode; by rotating the rotary covers on the two sides of the top of the cross beam, the positions of the sliding blocks connected to the sides of the threaded rods are controlled respectively, the tensioning distance of a steel wire to the whole second sliding block is adjusted and controlled, gear transmission, threaded rod linkage and steel wire traction are conducted to achieve a multi-stage adjusting mechanism, and rapid adaptation of the supporting angle, width and depth of the side wall of the ditch is completed; the combined design of the side supporting plates and the extension frames is matched with contact supporting of the bottom of the ditch, the structural stability is enhanced, interference of impurities at the bottom is avoided through the overall suspended installation mode, and the construction safety and efficiency are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ditch excavation side wall support technical field, concretely is a ditch excavation side wall auxiliary support structure. BACKGROUND

[0002] Ditch excavation side wall auxiliary support has important significance to guarantee construction safety, prevent side wall collapse etc., mainly includes horizontal support, vertical support and pile board support, selects and applies according to needs, according to the patent with the public number CN222008812U adopts ditch bottom installation side support, and the spacing and deflection angle between the two side support plates are adjusted to adapt to the ditch of different width and side support angle, but the side wall auxiliary support main body is installed at the ditch bottom, with subsequent excavation work, the soil and other impurities falling on the support structure increase, which seriously affects the use of subsequent support structure;

[0003] At the same time, with the continuous excavation of the whole ditch, the corresponding side wall support structure also needs to be adjusted in position, and the support structure affects the overall position adjustment rate when limiting the bottom.

[0004] Therefore, we propose a ditch excavation side wall auxiliary support structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a ditch excavation side wall auxiliary support structure to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a ditch excavation side wall auxiliary support structure, including crossbeam and outer expansion board, the both sides of crossbeam are symmetrically connected with outer expansion board through sliding, the bottom of crossbeam is symmetrically connected with sliding plate through sliding, the crossbeam is installed with transmission cover, the inner wall center of transmission cover is installed with threaded rod, one end of threaded rod penetrates transmission cover and sliding plate respectively and is connected with the bottom of crossbeam through bearing.

[0007] The bottom of sliding plate is rotatably connected with side support plate, the bottom of side support plate is slidably connected with extension frame, the bottom of sliding plate and located at side support plate side are fixedly connected with butt joint plate.

[0008] Further, the both sides of butt joint plate are symmetrically slidably connected with sliding block one and sliding block two, the inner wall of butt joint plate is movably connected with transmission gear, the sliding block one and sliding block two penetrate one side of butt joint plate and are connected with the both sides of transmission gear through the toothed groove.

[0009] Further, the sliding block one is rotatably connected with side support rod, one end of side support rod is movably connected with side support plate, one side of sliding block two is fixedly connected with steel wire.

[0010] Further, the top of the cross beam is provided with a rotating cover I, one side of the rotating cover I penetrates the cross beam and extends into a transmission cover, a gear and a threaded rod are sleeved on the outer wall of the transmission cover inside the rotating cover I, and the threaded rod penetrates the transmission cover and is connected with the gear on the inner wall of the transmission cover.

[0011] Further, the top of the rotating cover I is movably connected with a rotating cover II, the inner wall of the rotating cover II is slidably connected with a rotating drum, one end of the rotating drum penetrates the transmission cover and is threadedly connected with the inner wall of the transmission cover, the rotating drum is slidably connected with a gear which is sleeved on the inner and outer walls of the transmission cover, the inner wall of the transmission cover is movably connected with a winding column, the winding column is movably connected with a gear which is sleeved on the outer wall of the transmission cover, and the two sides of the sliding block II are connected with the winding column through a steel wire.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In the utility model, the positions of the sliding blocks connected with the threaded rods are controlled by rotating the rotating covers on the top of the cross beam, the tensioning distance of the steel wire to the whole sliding block is adjusted, the multi-stage adjustment mechanism is realized through gear transmission, threaded rod linkage and steel wire traction, the rapid adaptation of the support angle, width and depth of the side wall of the trench is completed, the combination design of the side support plate and the extension frame is adopted, the contact support with the bottom of the trench is realized, the structural stability is enhanced, the bottom impurity interference is avoided through the overall suspension installation mode, and the construction safety and efficiency are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an overall structure schematic view of the trench excavation side wall auxiliary support of the utility model;

[0015] Figure 2 It is an installation structure schematic view of the rotating cover I and the rotating cover II on the top of the cross beam of the utility model;

[0016] Figure 3 It is a connection structure schematic view of the sliding block I and the sliding block II in the butt joint plate of the utility model;

[0017] Figure 4 It is a bottom view structure schematic view of the trench excavation side wall auxiliary support structure of the utility model;

[0018] Figure 5 It is a front view structure schematic view of the trench excavation side wall auxiliary support structure of the utility model;

[0019] Figure 6 It is an installation structure schematic view of the rotating drum inside the transmission cover of the utility model.

[0020] In the figure: 1, crossbeam; 2, outer expansion plate; 3, sliding plate; 4, side support plate; 5, extension frame; 6, side support rod; 7, butt joint plate; 8, sliding block one; 9, sliding block two; 10, transmission gear; 11, transmission cover; 12, rotating cover one; 13, rotating cylinder; 14, winding column; 15, rotating cover two; 16, threaded rod; 17, steel wire. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0023] The trench excavation side wall auxiliary support structure described in the embodiment is mainly used for dynamically adjusting and stably supporting the side wall during the trench excavation process, avoiding the defects that the traditional bottom fixed support structure is easily affected by the accumulated soil blocks, and improving the adjustment efficiency. Figure 1 As shown in the figure, the support structure comprises a crossbeam 1 and outer expansion plates 2 symmetrically and slidingly connected to the two sides of the crossbeam 1, the crossbeam 1 is symmetrically slidingly connected with sliding plates 3 at the bottom, the bottom of the sliding plate 3 is installed with side support plates 4 in a rotating connection mode, and the bottom of the side support plate 4 is slidingly connected with extension frames 5, so as to adapt to trenches of different depths. Specifically, during use, the operator can also groove the trench bottom corresponding to the extension frame 5, and utilize the abutment between the groove and the extension frame 5 to reduce the lateral pressure on the side support rod 6.

[0024] The butt joint plates 7 are fixed below the sliding plates 3 and used for the installation of a transmission mechanism, the crossbeam 1 is provided with a transmission cover 11 at the top, a threaded rod 16 is installed inside the transmission cover 11, one end of the threaded rod 16 penetrates through the transmission cover 11 and the sliding plate 3, and is movably connected with the bottom of the crossbeam 1 through a bearing, so as to realize the horizontal sliding of the sliding plate 3. For the rotation adjustment of the entire threaded rod 16, a rotating cover one 12 is movably connected at the top of the crossbeam 1.

[0025] As Figure 2 and Figure 6As shown, the top of the beam 1 is provided with a rotating cover 12, which extends to the inside of the transmission cover 11 and is engaged with the gear at the end of the threaded rod 16 through the gear on the outer wall, when the rotating cover 12 is driven to rotate, the threaded rod 16 rotates synchronously, driving the sliding plate 3 to slide along the bottom of the beam 1, thereby adjusting the distance between the two side expansion plates 2 to adapt to different widths of the trench, the top of the rotating cover 12 is movably connected with a rotating cover 15, and the rotating cover 15 is movably connected with a rotating drum 13 inside the rotating cover 15, the rotating drum 13 penetrates the transmission cover 11 and is threadedly connected with the inner wall of the transmission cover 11, the gear on the outer wall of the rotating drum 13 is engaged with the gear around the winding column 14, and the winding column 14 is connected with the sliding block 9 through the steel wire 17, when the rotating cover 15 is rotated, the rotating cover 15 drives the rotating drum 13 to rotate, causing the rotating drum 13 to start to move towards the inner wall of the transmission cover 11, and the rotating drum 13 drives the gear on the inner side of the transmission cover 11 to rotate, and the rotation of the gear drives the winding column 14 on the two sides to rotate, finally realizing the winding and unwinding of the steel wire 17 around the winding column 14.

[0026] As shown in the figure, Figure 3 The sliding block 8 and the sliding block 9 are arranged in the butt joint plate 7, and the sliding block 8 and the sliding block 9 are engaged with the transmission gear 10 through the tooth pattern, the sliding block 8 is rotatably connected with the side support rod 6, and the other end of the side support rod 6 is movably connected with the side support plate 4, when the rotating cover 15 drives the rotating drum 13 to rotate, the winding column 14 rotates synchronously, the sliding block 9 is pulled to slide through the steel wire 17, the transmission gear 10 is rotated, and then the sliding block 8 moves reversely, the movement of the sliding block 8 drives the side support plate 4 to rotate around the sliding plate 3 through the side support rod 6, so that the inclination angle of the side support plate 4 is adjusted to adapt to different trench excavation sections.

[0027] The extension frame 5 at the bottom of the side support plate 4 can slide along the side support plate 4 to adapt to the change of the depth of the trench, and in the construction process, the horizontal position of the sliding plate 3 and the inclination angle of the side support plate 4 can be respectively controlled by rotating the rotating cover 12 and the rotating cover 15, so that the dynamic adjustment of the supporting structure is realized, as shown in the figure, Figure 5 Since the supporting structure is installed on the beam 1 instead of the bottom of the trench, the influence of soil accumulation on adjustment is avoided, and the linkage design of the expansion plate 2 and the sliding plate 3 improves the adjustment efficiency;

[0028] For subsequent trench excavation, the bottom of the entire expansion plate 2 is also provided with a roller, which facilitates the position adjustment of the entire auxiliary supporting overall structure;

[0029] The utility model discloses a multistage adjustment mechanism through gear transmission, threaded rod linkage and steel wire traction, realizes the quick adaptation of the trench side wall supporting angle, width and depth, the combination design of the side support plate 4 and the extension frame 5 enhances the structural stability, and the whole suspension installation mode avoids the interference of the bottom impurities, and significantly improves the construction safety and efficiency.

[0030] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, which shall belong to the protection scope of the utility model.

[0031] In the description of the present specification, the description referring to the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and describes these embodiments in order to better explain the principles and practical application of the utility model, so that those skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A trench excavation sidewall auxiliary support structure comprising a crossbeam (1) and an expansion plate (2), the expansion plate (2) being symmetrically connected to both sides of the crossbeam (1) through sliding connection, characterized in that: The bottom of the crossbeam (1) is symmetrically connected with a sliding plate (3), a transmission cover (11) is installed on the crossbeam (1), a threaded rod (16) is symmetrically installed on the inner wall of the transmission cover (11), one end of the threaded rod (16) penetrates the transmission cover (11) and the sliding plate (3) respectively and is movably connected with the bottom of the crossbeam (1) through a bearing; The bottom of the sliding plate (3) is rotatably connected with a side support plate (4), the bottom of the side support plate (4) is slidably connected with an extension frame (5), and the bottom of the sliding plate (3) and located at the side of the side support plate (4) is fixedly connected with a butt plate (7).

2. A trench excavation sidewall assist support structure according to claim 1, wherein: The butt plate (7) is symmetrically connected with a sliding block one (8) and a sliding block two (9) on both sides, the butt plate (7) is movably connected with a transmission gear (10), the sliding block one (8) and the sliding block two (9) penetrate one side of the butt plate (7) and are meshingly connected with both sides of the transmission gear (10) through the toothed groove.

3. A trench excavation sidewall assist support structure according to claim 2, wherein: The sliding block one (8) is rotatably connected with a side support rod (6), one end of the side support rod (6) is movably connected with the side support plate (4), and one side of the sliding block two (9) is wound with a steel wire (17).

4. A trench excavation sidewall assist support structure according to claim 3, wherein: The top of the crossbeam (1) is provided with a rotary cover one (12), one side of the rotary cover one (12) penetrates the crossbeam (1) and extends into the transmission cover (11), the transmission cover (11) inside and located outside the rotary cover one (12) is sleeved with a gear and a threaded rod (16) penetrates the transmission cover (11) side connecting gear meshing connection.

5. A trench excavation sidewall assist structure according to claim 4, wherein: The rotary cover one (12) is movably connected with a rotary cover two (15), the rotary cover two (15) is slidably connected with a rotating drum (13), one end of the rotating drum (13) penetrates the transmission cover (11) and is threadedly connected with the inner wall of the transmission cover (11), the rotating drum (13) is slidably connected with a gear sleeved on the inner and outer walls of the transmission cover (11), the transmission cover (11) is symmetrically movably connected with a winding column (14), the winding column (14) is sleeved with a gear and the transmission cover (11) is sleeved with a gear meshing connection, and the steel wire (17) connected with the sliding block two (9) is connected with the winding column (14).

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