Sludge silty clay layer slope supporting structure

Abstract

The utility model relates to the technical field of slope supporting, in particular to a muddy silty clay layer slope supporting structure which comprises a bottom plate, two fixing blocks are fixed to the right side of the bottom plate and are symmetrically distributed in the front-back direction relative to the central axis of the bottom plate, and a supporting plate is rotationally connected between the opposite sides of the two fixing blocks through bearings; the supporting plate is provided with an extending mechanism used for extending the length, the bottom plate is provided with a supporting mechanism used for supporting the supporting plate, and the upper surface of the bottom plate is connected with at least two fixing nails in a sliding mode. According to the muddy silty clay layer slope supporting structure, through cooperation of a rotating handle, a driving gear can be driven to rotate, so that a driven gear is driven to rotate, through rotation of the driven gear, a first threaded rod can be driven to rotate, so that a first threaded block is driven to move, and through movement of the first threaded block, an extension plate can be driven to move; and therefore, the length of the supporting plate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of slope support, in particular to a silty silty clay layer slope support structure. Background Art

[0002] In construction projects, the design and construction of slope support structures is one of the most important links, especially in cases with poor geological conditions, such as silty clay layers. The rationality and stability of the slope support structure have a decisive influence on the overall safety and stability of the project.

[0003] The silty clay layer is a soil layer with high compressibility and low strength, which is usually weak and easy to deform. Traditional slope support structures often cannot meet the stability requirements under such geological conditions, and are prone to landslides, collapses and other problems, which bring great hidden dangers to the safety and stability of the project. For example, the Chinese utility model patent publication number (CN213476927U) discloses a long side slope support structure for a silty clay layer. The silty clay layer long side slope support structure includes a fixed plate fixed on the ground, a support plate hinged at one end of the fixed plate, and a support assembly arranged between the fixed plate and the support plate; the fixed plate and the support plate are both slidably connected with a sliding seat on the opposite surfaces, and a locking assembly for fixing the position of the sliding seat is arranged inside the sliding seat. This utility solves the need to build a retaining wall when the support structure is in use. However, the length of the support plate used for support in the patent is fixed, and the length of the support cannot be adjusted according to the depth of the foundation pit, resulting in poor adaptability of the support, affecting practicality. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a slope support structure for a silty clay layer, which has the advantages of being easy to adjust the length of the support plate according to the depth of the foundation pit. It solves the problem that the length of the support plate used for support in the patent is fixed, and the length of the support cannot be adjusted according to the depth of the foundation pit, resulting in poor adaptability of the support and affecting practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silty silty clay layer slope support structure, comprising a bottom plate, two fixed blocks are fixed on the right side of the bottom plate, and are symmetrically distributed front and back with the central axis of the bottom plate, a support plate is rotatably connected between the opposite sides of the two fixed blocks through a bearing, an extension mechanism for extending the length is provided on the support plate, a support mechanism for supporting the support plate is provided on the bottom plate, and the upper surface of the bottom plate is slidably connected with a number of not less than two fixing nails for fixing the bottom plate in a foundation pit;

[0006] The extension mechanism includes a transmission member, an extension plate, an extension member, a limiting member, and a splicing member. The transmission member is arranged on the support plate to drive the extension member. The left side of the extension plate is fixed to the extension member. The right side of the support plate is provided with a mounting groove. The extension member is arranged inside the mounting groove to adjust the height position of the extension plate. The limiting member is arranged inside the mounting groove to limit the moving trajectory of the extension plate. The splicing member is arranged on the support plate to splice multiple support plates together.

[0007] The beneficial effect of adopting the above further solution is that it is convenient to adjust the length of the support plate according to the depth of the foundation pit, so that the support plate can be extended.

[0008] Furthermore, the transmission member includes a turning handle, a driving gear, and a driven gear. The right side of the turning handle penetrates and extends into the interior of the mounting groove, and is rotatably connected to the support plate through a bearing. The driving gear is fixed to the right side of the turning handle, and the bottom end of the driven gear is rotatably connected to the inner bottom wall of the mounting groove through a bearing, and the outer side is meshed with the driving gear.

[0009] The beneficial effect of adopting the above further solution is that the transmission member can drive the extension member.

[0010] Furthermore, the extension member includes a first threaded rod and a first threaded block, one end of the first threaded rod is fixed to the inner side of the driven gear, the other end of the first threaded rod is rotatably connected to the inner top wall of the mounting groove through a bearing, the first threaded block is threadedly connected to the first threaded rod, and the right side of the first threaded block is fixed to the left side of the extension plate.

[0011] The beneficial effect of adopting the above further solution is: the extension plate is driven to move, so that the supporting plate is extended.

[0012] Furthermore, the limiting member includes two sliding rods and two sliding blocks, the two ends of the two sliding rods are respectively fixed to the upper and lower inner walls of the mounting groove, and are symmetrically distributed front and back with the central axis of the mounting groove, the two sliding blocks are respectively slidably connected to the two sliding rods, and the opposite sides of the two sliding blocks are respectively fixed to the front and back sides of the first threaded block.

[0013] The beneficial effect of adopting the above further solution is: limiting the moving track and angle of the first threaded block to avoid deviation due to the influence of the first threaded rod.

[0014] Furthermore, the splicing parts include two T-blocks and a splicing plate. The two T-blocks are respectively fixed to the front and rear sides of the support plate and are symmetrically distributed front and back about the central axis of the support plate. The splicing plate is in the shape of a rectangular parallelepiped with a hollow interior and a missing lower surface. Splicing interfaces are provided on the front and rear sides of the splicing plate.

[0015] The beneficial effect of adopting the above further solution is that it is easy to splice two adjacent supporting structures together.

[0016] Furthermore, the supporting mechanism includes a supporting member, a connecting pipe, and an adjusting member. The supporting member is respectively arranged on the base plate and the supporting plate for supporting the supporting plate. One end of the connecting pipe is fixed to the supporting member. The adjusting member is arranged on the connecting pipe for adjusting the angle of the supporting plate.

[0017] The beneficial effect of adopting the above further solution is: the angle of the support plate is adjusted according to the inclination of the inner wall of the foundation pit, thereby improving the supporting performance of the support plate.

[0018] Furthermore, the support member includes a first articulated seat, a first support rod, a second articulated seat, and a second support rod. The first articulated seat is fixed to the upper surface of the base plate, one end of the first support rod is hinged to the first articulated seat through an articulation shaft, the other end of the first support rod is fixed to one end of a connecting pipe, the second articulated seat is fixed to the left side of the support plate, and one end of the second support rod is hinged to the second articulated seat through an articulation shaft.

[0019] The beneficial effect of adopting the above further solution is: supporting the supporting plates so that the supporting plates support the inner wall of the foundation pit.

[0020] Furthermore, the adjusting member includes a second threaded rod, a second threaded block, and a limit block, one end of the second threaded rod is fixed to an end of the second support rod away from the second hinge seat, the other section of the second threaded rod passes through and extends to the interior of the connecting tube, and is fixed to the limit block, the second threaded block is rotatably connected to an end of the connecting tube away from the first support rod through a bearing, and the second threaded block is threadedly connected to the second threaded rod.

[0021] The beneficial effect of adopting the above further solution is that the support plate can be fitted with the inner wall of the foundation pit.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] 1. The slope support structure for the silty silty clay layer can drive the driving gear to rotate through the cooperation of the turning handle, thereby driving the driven gear to rotate. The rotation of the driven gear can drive the first threaded rod to rotate, thereby driving the first threaded block to move. The movement of the first threaded block can drive the extension plate to move, thereby extending the length of the support plate, so as to adjust the support height of the support plate according to the depth in the foundation pit. Through the cooperation of the splicing parts, multiple support structures can be spliced ​​together.

[0024] 2. The slope support structure for the silty clay layer can move the second threaded rod on the inner side of the second threaded block by rotating the second threaded block, thereby driving the second support rod to move. The movement of the second support rod can drive the second hinged seat to move, thereby driving the support plate to rotate, so as to adjust the angle of the support plate according to the angle of the inner wall of the foundation pit, so that the support plate fits with the inner wall of the foundation pit and improves the support effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the extension mechanism of the utility model;

[0027] Figure 3 It is a partial structural diagram of the extension mechanism of the utility model;

[0028] Figure 4 It is a schematic diagram of the support mechanism of the utility model.

[0029] In the figure: 1. bottom plate; 2. fixing block; 3. supporting plate; 4. extension mechanism; 41. transmission member; 411. turning handle; 412. driving gear; 413. driven gear; 42. extension plate; 43. extension member; 431. first threaded rod; 432. first threaded block; 44. limiting member; 441. sliding rod; 442. sliding block; 45. splicing member; 451. T-block; 452. splicing plate; 453. splicing interface; 46. mounting groove; 5. supporting mechanism; 51. supporting member; 511. first hinge seat; 512. first supporting rod; 513. second hinge seat; 514. second supporting rod; 52. connecting pipe; 53. adjusting member; 531. second threaded rod; 532. second threaded block; 533. limiting block; 6. fixing nail. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1In the present embodiment, a silty silty clay layer slope support structure includes a base plate 1, two fixing blocks 2 are fixed on the right side of the base plate 1, and are symmetrically distributed front and back with the central axis of the base plate 1, and a supporting plate 3 is rotatably connected between the opposite sides of the two fixing blocks 2 through a bearing, so that the supporting plate 3 can be rotated, so as to facilitate the adjustment of the angle, and an extension mechanism 4 for extending the length is provided on the supporting plate 3, which is convenient for adjusting the length of the supporting plate 3 according to the depth of the foundation pit, and a supporting mechanism 5 for supporting the supporting plate 3 is provided on the base plate 1. The angle of the supporting plate 3 is adjusted according to the inclination of the inner wall of the foundation pit to improve the support of the supporting plate 3. The upper surface of the base plate 1 is slidably connected with at least two fixing nails 6, which are used to fix the base plate 1 in the foundation pit so as to fix the base plate 1 in the foundation pit.

[0032] See also Figure 2-3 In order to facilitate the adjustment of the length of the support plate 3 according to the depth of the foundation pit, the extension mechanism 4 in this embodiment includes a transmission member 41, an extension plate 42, an extension member 43, a limit member 44, and a splicing member 45. The transmission member 41 is arranged on the support plate 3, and is used to drive the extension member 43 to extend the support plate 3. The left side of the extension plate 42 is fixed to the extension member 43, and a mounting groove 46 is provided on the right side of the support plate 3. The extension member 43 is arranged inside the mounting groove 46, and is used to adjust the height position of the extension plate 42 and extend the support plate 3. The limit member 44 is arranged inside the mounting groove 46, and is used to limit the moving trajectory of the extension plate 42. The splicing member 45 is arranged on the support plate 3, and is used to splice multiple support plates 3 together, so as to facilitate the handling of foundation pits with larger areas.

[0033] In this embodiment, the transmission member 41 includes a turning handle 411, a driving gear 412, and a driven gear 413. The right side of the turning handle 411 penetrates and extends to the inside of the mounting groove 46, and is rotatably connected to the support plate 3 through a bearing. The driving gear 412 is fixed to the right side of the turning handle 411, and the turning handle 411 drives the driving gear 412 to rotate. The bottom end of the driven gear 413 is rotatably connected to the inner bottom wall of the mounting groove 46 through a bearing, and the outer side is meshed with the driving gear 412. The driving gear 412 drives the driven gear 413 to rotate, and the extension member 43 The first threaded rod 431 includes a first threaded block 432, one end of the first threaded rod 431 is fixed to the inner side of the driven gear 413, the driven gear 413 drives the first threaded rod 431 to rotate, the other end of the first threaded rod 431 is rotatably connected to the inner top wall of the mounting groove 46 through a bearing, the first threaded block 432 is threadedly connected to the first threaded rod 431, the first threaded rod 431 drives the first threaded block 432 to move, the right side of the first threaded block 432 is fixed to the left side of the extension plate 42, and the movement of the first threaded block 432 drives the extension plate 42 The extension plate 42 moves, thereby adjusting the position of the extension plate 42 to extend the support plate 3. The limiter 44 includes two slide bars 441 and two sliders 442. Both ends of the two slide bars 441 are respectively fixed to the upper and lower inner walls of the mounting groove 46, and are symmetrically distributed front and back about the central axis of the mounting groove 46. The two sliders 442 are respectively slidably connected to the two slide bars 441. The opposite sides of the two sliders 442 are respectively fixed to the front and rear sides of the first threaded block 432. The movement of the first threaded block 432 drives the slider 442 to move. 442 slides on the slide bar 441 to limit the moving track and angle of the first threaded block 432. The splicing piece 45 includes two T-blocks 451 and a splicing plate 452. The two T-blocks 451 are respectively fixed to the front and rear sides of the support plate 3, and are symmetrically distributed front and back with the central axis of the support plate 3. The splicing plate 452 is in the shape of a rectangular parallelepiped with a hollow interior and a missing lower surface. The splicing ports 453 are provided on the front and rear sides of the splicing plate 452. The splicing ports 453 penetrate the bottom of the splicing plate 452, but not the top of the splicing plate 452. When the length of the foundation pit is long, it is necessary to support the foundation pit with multiple supporting structures, fit two adjacent support plates 3 together, make the T-block 451 close, and then insert the splicing plate 452 onto the T-block 451. The T-block 451 enters the splicing plate 452 from the splicing port 453, so that the two adjacent supporting structures are spliced ​​together.

[0034] See also Figure 4In order to adjust the angle of the support plate 3 according to the inclination of the inner wall of the foundation pit and improve the supporting performance of the support plate 3, the support mechanism 5 in this embodiment includes a support member 51, a connecting pipe 52, and an adjusting member 53. The support member 51 is respectively arranged on the bottom plate 1 and the support plate 3 to support the support plate 3. One end of the connecting pipe 52 is fixed to the support member 51. The adjusting member 53 is arranged on the connecting pipe 52 to adjust the angle of the support plate 3 so that the support plate 3 can fit the inner wall of the foundation pit.

[0035] In this embodiment, the support member 51 includes a first hinge seat 511, a first support rod 512, a second hinge seat 513, and a second support rod 514. The first hinge seat 511 is fixed to the upper surface of the base plate 1, one end of the first support rod 512 is hinged to the first hinge seat 511 through a hinge axis, the other end of the first support rod 512 is fixed to one end of the connecting pipe 52, the second hinge seat 513 is fixed to the left side of the supporting plate 3, one end of the second support rod 514 is hinged to the second hinge seat 513 through a hinge axis, the second hinge seat 513 can adjust the angle of the second support rod 514, so as to maintain the angle of the first support rod 512, the adjusting member 53 includes a second threaded rod 531, a second threaded block 532, a limit block 533, and a second threaded rod 534. One end of the threaded rod 531 is fixed to one end of the second support rod 514 away from the second hinge seat 513, and the other end of the second threaded rod 531 penetrates and extends to the interior of the connecting tube 52, and is fixed to the limit block 533. The second threaded block 532 is rotatably connected to one end of the connecting tube 52 away from the first support rod 512 through a bearing, and the second threaded block 532 is threadedly connected to the second threaded rod 531. When the second threaded block 532 is rotated, the second threaded block 532 rotates to move the second threaded rod 531, and the movement of the second threaded rod 531 drives the second support rod 514 to move. The movement of the second support rod 514 drives the second hinge seat 513 to move, thereby rotating the support plate 3 so that the support plate 3 can fit the inner wall of the foundation pit to improve the support performance.

[0036] The working principle of the above embodiment is:

[0037] (1) First, place the support structure into the foundation pit and make the support plate 3 fit with the inner wall of the foundation pit. Then, rotate the second threaded block 532. The rotation of the second threaded block 532 causes the second threaded rod 531 to move. The movement of the second threaded rod 531 drives the second support rod 514 to move. The movement of the second support rod 514 drives the second hinge seat 513 to move, thereby causing the support plate 3 to rotate. The angle of the support plate 3 can be adjusted according to the inclination of the inner wall of the foundation pit, so that the support plate 3 can fit with the inner wall of the foundation pit, so as to improve the support performance. After adjusting the angle of the support plate 3, push the fixing nail 6 into the foundation pit to fix the position of the bottom plate 1.

[0038] (2) After fixing the position of the bottom plate 1, the support plate 3 can be extended to make the length of the support plate 3 match the depth of the foundation pit. Turn the handle 411, the handle 411 drives the driving gear 412 to rotate, the driving gear 412 drives the driven gear 413 to rotate, the driven gear 413 drives the first threaded rod 431 to rotate, the first threaded rod 431 drives the first threaded block 432 to move, the first threaded block 432 moves and drives the extension plate 42 to move, so as to adjust the position of the extension plate 42 and extend the support plate 3. When the length of the foundation pit is long, it is necessary to support the foundation pit with multiple support structures. Fit two adjacent support plates 3 together, make the T-block 451 close, then put the splicing plate 452 on the T-block 451, and the T-block 451 enters the splicing plate 452 from the splicing interface 453, so that the two adjacent support structures are spliced ​​together.

Claims

1. A silty clay layer slope support structure, comprising a base plate (1), characterized in that: Two fixing blocks (2) are fixed on the right side of the bottom plate (1) and are symmetrically distributed front and back about the central axis of the bottom plate (1); a supporting plate (3) is rotatably connected between the two opposite sides of the two fixing blocks (2) via a bearing; an extension mechanism (4) for extending the length of the supporting plate (3) is provided on the bottom plate (1); a supporting mechanism (5) for supporting the supporting plate (3) is provided on the bottom plate (1); and no less than two fixing nails (6) are slidably connected to the upper surface of the bottom plate (1) for fixing the bottom plate (1) in the foundation pit; The extension mechanism (4) comprises a transmission member (41), an extension plate (42), an extension member (43), a limiting member (44), and a splicing member (45); the transmission member (41) is arranged on the support plate (3) and is used to drive the extension member (43); the left side of the extension plate (42) is fixed to the extension member (43); a mounting groove (46) is provided on the right side of the support plate (3); the extension member (43) is arranged inside the mounting groove (46) and is used to adjust the height position of the extension plate (42); the limiting member (44) is arranged inside the mounting groove (46) and is used to limit the movement track of the extension plate (42); and the splicing member (45) is arranged on the support plate (3) and is used to splice a plurality of support plates (3).

2. A silty clay layer slope support structure according to claim 1, characterized in that: The transmission member (41) comprises a turning handle (411), a driving gear (412), and a driven gear (413); the right side of the turning handle (411) penetrates and extends into the interior of the mounting groove (46), and is rotatably connected to the support plate (3) via a bearing; the driving gear (412) is fixed to the right side of the turning handle (411); the bottom end of the driven gear (413) is rotatably connected to the inner bottom wall of the mounting groove (46) via a bearing, and the outer side is meshed with the driving gear (412).

3. A silty clay layer slope support structure according to claim 2, characterized in that: The extension member (43) comprises a first threaded rod (431) and a first threaded block (432); one end of the first threaded rod (431) is fixed to the inner side of the driven gear (413); the other end of the first threaded rod (431) is rotatably connected to the inner top wall of the mounting groove (46) via a bearing; the first threaded block (432) is threadedly connected to the first threaded rod (431); and the right side of the first threaded block (432) is fixed to the left side of the extension plate (42).

4. A silty clay layer slope support structure according to claim 3, characterized in that: The limiting member (44) comprises two sliding rods (441) and two sliding blocks (442); both ends of the two sliding rods (441) are respectively fixed to the upper and lower inner walls of the mounting groove (46), and are symmetrically distributed front to back about the central axis of the mounting groove (46); the two sliding blocks (442) are respectively slidably connected to the two sliding rods (441); and opposite side surfaces of the two sliding blocks (442) are respectively fixed to the front and rear sides of the first threaded block (432).

5. The silty clay layer slope support structure according to claim 1, characterized in that: The splicing piece (45) comprises two T-shaped blocks (451) and a splicing plate (452); the two T-shaped blocks (451) are respectively fixed to the front and rear sides of the support plate (3) and are symmetrically distributed front and rearward about the central axis of the support plate (3); the splicing plate (452) is in the shape of a rectangular parallelepiped with a hollow interior and a missing lower surface; and splicing interfaces (453) are provided on the front and rear sides of the splicing plate (452).

6. The silty clay layer slope support structure according to claim 1, characterized in that: The support mechanism (5) comprises a support member (51), a connecting pipe (52), and an adjusting member (53); the support member (51) is respectively arranged on the bottom plate (1) and the supporting plate (3) and is used to support the supporting plate (3); one end of the connecting pipe (52) is fixed to the support member (51); and the adjusting member (53) is arranged on the connecting pipe (52) and is used to adjust the angle of the supporting plate (3).

7. The silty clay layer slope support structure according to claim 6, characterized in that: The support member (51) comprises a first hinge seat (511), a first support rod (512), a second hinge seat (513), and a second support rod (514); the first hinge seat (511) is fixed to the upper surface of the base plate (1); one end of the first support rod (512) is hinged to the first hinge seat (511) via a hinge shaft; the other end of the first support rod (512) is fixed to one end of the connecting pipe (52); the second hinge seat (513) is fixed to the left side of the supporting plate (3); and one end of the second support rod (514) is hinged to the second hinge seat (513) via a hinge shaft.

8. The silty clay layer slope support structure according to claim 7, characterized in that: The adjusting member (53) comprises a second threaded rod (531), a second threaded block (532), and a limiting block (533); one end of the second threaded rod (531) is fixed to an end of the second support rod (514) away from the second hinge seat (513); another section of the second threaded rod (531) penetrates and extends into the interior of the connecting tube (52) and is fixed to the limiting block (533); the second threaded block (532) is rotatably connected to an end of the connecting tube (52) away from the first support rod (512) via a bearing, and the second threaded block (532) is threadedly connected to the second threaded rod (531).

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