Top plate shield hole retaining wall structure

Abstract

The utility model relates to the technical field of retaining walls, in particular to a top plate shield hole retaining wall structure which comprises a retaining wall body, a gravity retaining wall and a supporting mechanism. The retaining wall body is vertically arranged on the inner side of a shield hole. The gravity retaining walls are arranged on the outer side of the retaining wall body at equal intervals, and the bottom faces of the gravity retaining walls are flush with the ground in a shield hole. The supporting mechanism comprises a supporting rod, an upper connecting plate and a lower connecting plate, the upper connecting plate and the lower connecting plate are arranged at the upper end and the lower end of the supporting rod, the supporting rod is obliquely arranged, the upper connecting plate is connected with the inner top face of a shield hole, and the lower connecting plate is connected with the gravity retaining wall. The retaining wall body is vertically arranged on the inner side of a shield hole, the gravity retaining wall is arranged on the outer side of the retaining wall body, the retaining wall body is supported for the first time, the supporting rod, the upper connecting plate and the lower connecting plate form the supporting mechanism, and the retaining wall body is supported for the second time. Two supporting structures are formed through the gravity retaining wall and the supporting mechanisms to stably support the retaining wall body.

Description

Technical Field

[0001] The utility model relates to the technical field of retaining walls, and more specifically, to a retaining wall structure with a shield hole on the top plate. Background Art

[0002] The shield method is a fully mechanized construction method in the immersed tube tunneling method. It is to push the shield machine in the ground, prevent the surrounding rock from collapsing into the tunnel by the shield shell and segment support, and at the same time use a cutting device to excavate the soil in front of the excavation face, transport it out of the tunnel by an earth removal machine, push it forward by jacks at the rear, and assemble precast concrete segments to form a tunnel structure. A retaining wall refers to the general term for various pavements made on the slope surface to prevent the slope from being scoured.

[0003] The utility model patent with the publication number of CN219653755U discloses a retaining wall structure with a shield hole on the top plate of a subway station, including a bottom plate and a wall body. The wall bodies are located on both sides of the bottom plate. When the retaining wall body is attached to the wall body, the motor is started, and the gear will be driven to rotate through the rotating shaft. Because the toothed plate is engaged with the gear, when the gear rotates, the fixed column can be driven to move along the slot. Then the fixed column will pass through the jacking hole so that the fixed needle head contacts the wall body, and the fixed needle head can be inserted into the wall body. Subsequently, the wall body can be reinforced, which is convenient and fast. Place the bottom plate on one side of the wall body so that both sides of the bottom plate are attached to the surface of the wall body. Then start the hydraulic press, and the connecting plate will be driven to move through the hydraulic rod. The connecting plate will drive the retaining wall body to move, and the retaining wall body can be pushed to be attached to the wall body, so that the fitting of the retaining wall and the wall body is more regular and the construction is more convenient.

[0004] However, this existing technology uses power equipment to directly pass through the jacking hole, which can improve the construction efficiency. However, this existing technology is only designed for the subway and is not convenient for other materials to pass between the retaining walls on both sides. Content of the Utility Model

[0005] The utility model aims to provide a retaining wall structure with a shield hole on the top plate that can solve the above problems to overcome the above deficiencies.

[0006] A retaining wall structure with a shield hole on the top plate includes a retaining wall body, a gravity retaining wall, and a support mechanism. The retaining wall body is vertically arranged inside the shield hole. A plurality of the gravity retaining walls are arranged at equal intervals outside the retaining wall body, and the bottom surfaces are flush with the ground inside the shield hole. The support mechanism includes a support rod and upper and lower connecting plates arranged at the upper and lower ends of the support rod. The support rod is obliquely arranged. The upper connecting plate is connected to the inner top surface of the shield hole, and the lower connecting plate is connected to the gravity retaining wall.

[0007] Further, one side of the gravity retaining wall connected to the lower connecting plate is provided with an inclined surface, and the lower connecting plate abuts against the inclined surface.

[0008] Further, the lower connecting plate is of a U-shaped structure. Two wing plates of the lower connecting plate abut against the front and rear side surfaces of the gravity retaining wall, and the web of the lower connecting plate is connected to the gravity retaining wall through a first connecting bolt.

[0009] Further, the upper connecting plate is connected to the inner top surface of the shield hole through an anchor bolt.

[0010] Further, the support rod includes an inner rod, a sleeve and an adjusting nut. The outer side of the inner rod is provided with an external thread and part of it is inserted into the sleeve. The adjusting nut is sleeved on the outer side of the inner rod and is threadedly connected to the inner rod. The adjusting nut is rotatably connected to the sleeve.

[0011] Further, a fixing plate is fixed at one end of the gravity retaining wall close to the retaining wall body. The fixing plate is vertically arranged and parallel to the retaining wall body. An anchoring assembly is arranged on the fixing plate. The anchoring assembly penetrates through the retaining wall body and inserts into the soil layer inside the shield hole.

[0012] Further, the anchoring assembly includes an outer shell and an inner anchor. The fixing plate and the retaining wall body are respectively provided with a first through hole and a second through hole. The outer shell is fixedly connected to the fixing plate and penetrates through the second through hole and inserts into the soil layer. Deformable barbs are arranged on the outer shell; the inner anchor penetrates through the first through hole and the outer shell, one end abuts against the fixing plate, and the other end inserts into the soil layer and presses the barbs to insert into the soil layer.

[0013] Further, an installation hole is axially arranged on the outer shell. The barb includes an outer barb, an inner plate and a support rod. The outer barb and the inner plate are respectively connected to two ends of the installation hole. The support rod connects the middle parts of the outer barb and the inner plate. When the inner anchor does not penetrate through the outer shell, the outer barb is flush with the outer shell, and the inner plate is obliquely arranged inside the outer shell.

[0014] Further, a plurality of installation holes and barbs are annularly arrayed on the outer shell.

[0015] Further, it further includes a collision prevention baffle, and the collision prevention baffle is vertically arranged on one side of the upper connecting plate away from the retaining wall body.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] In the top plate shield hole retaining wall structure of the present utility model, the retaining wall body is vertically arranged inside the shield hole, and a gravity retaining wall is arranged outside the retaining wall body to provide the first support for the retaining wall body. A support mechanism composed of a support rod, an upper connecting plate and a lower connecting plate provides the second support for the retaining wall body. Two support structures are formed by the gravity retaining wall and the support mechanism to stably support the retaining wall body. By arranging the support rod obliquely, the upper connecting plate and the lower connecting plate are respectively connected to the inner top surface of the shield hole and the gravity retaining wall, so as to leave enough space in the lower part of the shield hole for the passage of other materials, transportation tools, etc. Description of the Drawings

[0018] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0019] Figure 1 is a schematic diagram of the use state of the top plate shield hole retaining wall structure in the embodiment of the present utility model.

[0020] Figure 2 is a schematic diagram of the overall structure of the top plate shield hole retaining wall structure in the embodiment of the present utility model.

[0021] Figure 3 is a schematic diagram of the use state of the anchoring assembly in the embodiment of the present utility model.

[0022] Figure 4 is a schematic diagram of the initial state of the anchoring assembly in the embodiment of the present utility model.

[0023] Figure 5 is a cross-sectional view of the initial state of the outer casing in the embodiment of the present utility model.

[0024] In the figure: 1, retaining wall body; 2, gravity retaining wall; 3, upper connecting plate; 4, lower connecting plate; 5, inclined surface; 6, first connecting bolt; 7, anchor bolt; 8, inner rod; 9, sleeve; 10, adjusting nut; 11, fixing plate; 12, anchoring assembly; 1201, outer casing; 1202, inner anchor; 1203, outer thorn; 1204, inner plate; 1205, support rod; 13, anti-collision baffle. Detailed Embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0026] As Figure 1 , Figure 2 shown, the top plate shield hole retaining wall structure in this embodiment includes a retaining wall body 1, a gravity retaining wall 2, and a support mechanism. The retaining wall body 1 is vertically arranged inside the shield hole. A plurality of gravity retaining walls 2 are arranged at equal intervals outside the retaining wall body 1, and the bottom surfaces are flush with the ground inside the shield hole. The support mechanism includes a support rod, an upper connecting plate 3 and a lower connecting plate 4 arranged at the upper and lower ends of the support rod. The support rod is obliquely arranged. The upper connecting plate 3 is connected to the inner top surface of the shield hole, and the lower connecting plate 4 is connected to the gravity retaining wall 2.

[0027] In this embodiment, a slope 5 is arranged on the side of the gravity retaining wall 2 connected to the lower connecting plate 4. Specifically, the side surface of the gravity retaining wall 2 close to the lower connecting plate 4 can be set as an all-slope 5 or a partial slope 5, as long as the part of the side of the gravity retaining wall 2 close to the support mechanism connected to the lower connecting plate 4 is the slope 5. Preferably, the vertical section of the gravity retaining wall 2 perpendicular to the retaining wall body 1 is in a right triangle structure, and the lower connecting plate 4 abuts against the slope 5 of the gravity retaining wall 2.

[0028] Specifically, in this embodiment, the lower connecting plate 4 is in a U-shaped structure. The two wing plates of the lower connecting plate 4 abut against the front and rear side surfaces of the gravity retaining wall 2. The web of the lower connecting plate 4 is connected to the gravity retaining wall 2 through a first connecting bolt 6. The upper connecting plate 3 is connected to the inner top surface of the shield hole through an anchor bolt 7. With such a setting, the support mechanism exerts a pressure perpendicular to the slope 5 on the gravity retaining wall 2, thereby forming a stable support for the gravity retaining wall 2. Further, a stable support is formed for the retaining wall body 1, and enough space can be reserved in the lower part of the shield hole for the passage of other materials and transportation tools.

[0029] In this embodiment, the support rod includes an inner rod 8, a sleeve 9, and an adjusting nut 10. The outer side of the inner rod 8 is provided with an external thread. One end of the inner rod 8 is fixedly connected to the lower connecting plate 4, and the other end is partially inserted into the sleeve 9. The adjusting nut 10 is sleeved on the outer side of the inner rod 8 and is threadedly connected to the inner rod 8. The adjusting nut 10 is rotatably connected to one end of the sleeve 9 close to the lower connecting plate 4. One end of the sleeve 9 away from the adjusting nut 10 is fixedly connected to the upper connecting plate 3. The inner diameter of the sleeve 9 is larger than the outer diameter of the inner rod 8. By rotating the adjusting nut 10, the length of the inner rod 8 inserted into the sleeve 9 can be adjusted, so as to adjust the length of the support rod and improve the adaptability of the support mechanism.

[0030] In this embodiment, a fixing plate 11 is fixed at one end of the gravity retaining wall close to the retaining wall body 1. Specifically, fixing plates 11 are fixed on both the front and rear sides of the gravity retaining wall. The fixing plates 11 are vertically arranged and parallel to the retaining wall body 1. One side of the fixing plate 11 close to the retaining wall body 1 abuts against the retaining wall body 1. An anchoring assembly 12 is arranged on the fixing plate 11. The anchoring assembly 12 penetrates through the retaining wall body 1 and inserts into the soil layer inside the shield hole.

[0031] In this embodiment, as Figure 3 , Figure 4 and Figure 5 shown, the anchoring assembly 12 includes an outer casing 1201 and an inner anchor 1202. The fixing plate 11 and the retaining wall body 1 are respectively provided with a first through hole and a second through hole, and the first through hole and the second through hole are coaxially arranged. The outer casing 1201 is fixedly connected to the side of the fixing plate 11 close to the retaining wall body 1. The outer casing 1201 is perpendicular to the fixing plate 11 and penetrates through the second through hole and is inserted into the soil layer. The outer casing 1201 is provided with deformable barbs. The inner anchor 1202 penetrates through the first through hole and the outer casing 1201. One end of the inner anchor 1202 abuts against the fixing plate 11, and the other end is inserted into the soil layer and presses the barbs to be inserted into the soil layer.

[0032] Specifically, the outer casing 1201 is provided with a mounting hole. The length direction of the mounting hole is the same as the length direction of the outer casing 1201. The barb includes an outer barb 1203, an inner plate 1204 and a support rod 1205. The mutually remote end portions of the outer barb 1203 and the inner plate 1204 are respectively connected to the two ends of the mounting hole. The outer barb 1203 and the inner plate 1204 form a certain angle, preferably an acute angle. The support rod 1205 connects the middle parts of the outer barb 1203 and the inner plate 1204. When the inner anchor 1202 does not penetrate through the outer casing 1201, the outer barb 1203 is flush with the outer casing 1201, and the inner plate 1204 is obliquely arranged inside the outer casing 1201. During the process that the inner anchor 1202 is inserted into and penetrates through the outer casing 1201, the inner anchor 1202 presses the inner plate 1204, so that the inner plate 1204 drives the support rod 1205 and the outer barb 1203 to move towards the outside of the outer casing 1201, causing the outer barb 1203 to expand and be inserted into the soil layer, thereby further improving the stability of the retaining wall body 1. Preferably, the end of the outer barb 1203 remote from the retaining wall body 1 is connected to the outer casing 1201.

[0033] Preferably, a plurality of mounting holes and barbs are annularly arrayed on the outer casing 1201, and multiple groups of barbs are arranged axially on the outer casing 1201.

[0034] The top plate shield hole retaining wall structure in this embodiment further includes a collision prevention baffle 13. The collision prevention baffle 13 is vertically arranged on the side of the upper connecting plate 3 remote from the retaining wall body 1. Specifically, the upper end of the collision prevention baffle 13 is connected to the upper connecting plate 3, and the lower end can be inserted into the ground inside the shield hole. By arranging the collision prevention baffle 13, the retaining wall body 1, the gravity retaining wall 2 and the support mechanism are shielded, so that transportation tools and the like can pass between the two collision prevention baffles 13.

[0035] The working principle of the top plate shield hole retaining wall structure in this embodiment is:

[0036] The retaining wall body 1 is vertically arranged inside the shield hole. A gravity retaining wall 2 is arranged outside the retaining wall body 1 to provide the first support for the retaining wall body 1. A support mechanism composed of a support rod, an upper connecting plate 3 and a lower connecting plate 4 provides the second support for the retaining wall body 1. Two support structures are formed by the gravity retaining wall 2 and the support mechanism to stably support the retaining wall body 1. By arranging the support rod obliquely, the upper connecting plate 3 and the lower connecting plate 4 are respectively connected to the inner top surface of the shield hole and the gravity retaining wall 2, so as to leave enough space in the lower part of the shield hole for the passage of other materials, transportation tools, etc.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A top shield hole retaining wall structure, characterized in that: include: A retaining wall body (1), wherein the retaining wall body (1) is vertically arranged inside the shield hole; Gravity retaining walls (2), wherein a plurality of the gravity retaining walls (2) are arranged at equal intervals outside the retaining wall body (1), and the bottom surfaces are flush with the ground inside the shield hole; and A support mechanism, the support mechanism comprising a support rod and an upper connecting plate (3) and a lower connecting plate (4) arranged at the upper and lower ends of the support rod, the support rod being arranged obliquely, the upper connecting plate (3) being connected to the top surface of the shield hole, and the lower connecting plate (4) being connected to the gravity retaining wall (2).

2. The top shield hole retaining wall structure according to claim 1 is characterized in that: A slope (5) is provided on one side of the gravity retaining wall (2) connected to the lower connecting plate (4), and the lower connecting plate (4) abuts against the slope (5).

3. The top shield hole retaining wall structure according to claim 2 is characterized in that: The lower connecting plate (4) is of a U-shaped structure, the two wing plates of the lower connecting plate (4) are in contact with the front and rear side surfaces of the gravity retaining wall (2), and the web of the lower connecting plate (4) is connected to the gravity retaining wall (2) via a first connecting bolt (6).

4. The top shield hole retaining wall structure according to claim 3 is characterized in that: The upper connecting plate (3) is connected to the inner top surface of the shield hole via anchor bolts (7).

5. The top shield hole retaining wall structure according to claim 4 is characterized in that: The support rod comprises an inner rod (8), a sleeve (9) and an adjusting nut (10); the outer side of the inner rod (8) is provided with an external thread and is partially inserted into the sleeve (9); the adjusting nut (10) is sleeved on the outer side of the inner rod (8) and is threadedly connected to the inner rod (8); and the adjusting nut (10) is rotatably connected to the sleeve (9).

6. The top shield hole retaining wall structure according to claim 5, characterized in that: A fixing plate (11) is fixed to one end of the gravity retaining wall (2) close to the retaining wall body (1); the fixing plate (11) is arranged vertically and parallel to the retaining wall body (1); an anchoring assembly (12) is arranged on the fixing plate (11); the anchoring assembly (12) penetrates the retaining wall body (1) and is inserted into the soil layer inside the shield hole.

7. The top shield hole retaining wall structure according to claim 6 is characterized in that: The anchor assembly (12) comprises an outer shell (1201) and an inner anchor (1202); the fixing plate (11) and the retaining wall body (1) are respectively provided with a first through hole and a second through hole; the outer shell (1201) is fixedly connected to the fixing plate (11) and penetrates through the second through hole to be inserted into the soil layer; the outer shell (1201) is provided with a deformable barb; the inner anchor (1202) penetrates through the first through hole and the outer shell (1201), one end of which abuts against the fixing plate (11) and the other end of which is inserted into the soil layer and squeezes the barb to be inserted into the soil layer.

8. The top shield hole retaining wall structure according to claim 7 is characterized in that: The outer shell (1201) is provided with a mounting hole along the axial direction, and the barbs include an outer barb (1203), an inner plate (1204) and a support rod (1205). The outer barb (1203) and the inner plate (1204) are respectively connected to the two ends of the mounting hole, and the support rod (1205) connects the middle parts of the outer barb (1203) and the inner plate (1204). When the inner anchor (1202) does not penetrate the outer shell (1201), the outer barb (1203) is flush with the outer shell (1201), and the inner plate (1204) is obliquely arranged in the outer shell (1201).

9. The top shield hole retaining wall structure according to claim 8, characterized in that: The outer shell (1201) has a plurality of mounting holes and barbs in a circular array.

10. The top shield hole retaining wall structure according to claim 1, characterized in that: It also comprises an anti-collision baffle (13), wherein the anti-collision baffle (13) is vertically arranged on a side of the upper connecting plate (3) away from the retaining wall body (1).

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