Anchor cable structure of foundation pit support and foundation pit support

Abstract

The utility model relates to an anchor cable structure of a foundation pit support and the foundation pit support, and relates to the technical field of supports. A mounting groove is formed in the upper end of the supporting plate, a mounting ring is connected between the side walls of the mounting groove in a sliding mode, an anchor rod is arranged in the mounting ring, a cavity is formed in the upper end of the anchor rod, a plurality of pouring holes and a plurality of mounting holes are formed in the circumferential inner wall of the cavity, and two mounting plates are arranged in the cavity in a sliding mode. Inserting rods are fixedly connected to the other sides of the two mounting plates, the multiple inserting rods are slidably connected to the interiors of the multiple inserting grooves correspondingly, multiple reset springs are fixedly connected between the two mounting plates, the inserting rods are driven to be inserted into soil beside the interior of the pouring groove, and the connectivity and stability of the anchor rod and the soil after pouring are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of support, in particular to an anchor cable structure of foundation pit support and the foundation pit support. Background Art

[0002] Support is a measure of support, reinforcement and protection for the side walls and surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. As a structural system, foundation pit support should meet the requirements of stability and deformation, that is, the requirements of the two limit states mentioned in the usual specifications, namely the bearing capacity limit state and the normal use limit state.

[0003] When mining the foundation pit, in order to prevent the foundation pit from collapsing, it is necessary to support the side of the foundation pit with the help of foundation pit support. The side foundation pit guard plates need to be reinforced by anchor cable structures. Half of the anchor cables of the foundation pit guard plates are poured by inserting anchor rods after drilling casting holes. However, the connectivity between the anchor cable structure and the soil is poor, which affects the overall stability. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an anchor cable structure for foundation pit support and foundation pit support, which has the effect of improving the connectivity between the anchor cable structure and the soil and improving the overall stability.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] An anchor cable structure and foundation pit support for foundation pit support, comprising a support plate, an upper end of the support plate is provided with an installation groove, a mounting ring is slidably connected between the side walls of the installation groove, an anchor rod is arranged in the mounting ring, the upper end of the anchor rod is provided with a cavity, the circumferential inner wall of the cavity is provided with a plurality of pouring holes and a plurality of mounting holes, two mounting plates are slidably arranged in the cavity, the other sides of the two mounting plates are fixedly connected with an insertion rod, the plurality of insertion rods are respectively slidably connected in a plurality of slots, and a plurality of reset springs are fixedly connected between the two mounting plates.

[0007] By adopting the above technical scheme, the support plate, anchor rod, cavity, insertion rod, slot, mounting plate, return spring and pouring hole can drive the insertion rod to be inserted into the soil next to the casting groove, thereby improving the connectivity of the anchor rod with the soil after pouring.

[0008] In a preferred example, the utility model can be further configured as follows: a rotating mechanism is provided on the inner bottom wall of the cavity, and the rotating mechanism includes a rotating rod and a plurality of traction ropes, the rotating rod is rotatably connected to the inner bottom wall of the cavity, the plurality of traction ropes are all fixedly connected to the circumferential side of the rotating rod, and the other sides of the plurality of traction ropes are respectively fixed to two mounting plates.

[0009] By adopting the above technical solution, the rotation of the rotating rod can drive the installation plate to move, thereby driving the insertion rod to move, so that the insertion rod can be inserted into the soil.

[0010] In a preferred example, the utility model can be further configured as follows: a plurality of limit rods are fixedly connected to the circumferential side wall of the cavity, and the two mounting plates are both slidably connected to the circumferential sides of the plurality of limit rods.

[0011] By adopting the above technical solution, the mounting plate and the limiting rod are slidably matched, which can improve the movement stability of the mounting plate.

[0012] In a preferred example, the utility model can be further configured as follows: a plurality of fixing rings are arranged below the support plate, a plurality of connecting rods are fixedly connected to the upper ends of the plurality of fixing rings, the plurality of fixing rings are connected via a plurality of connecting rods, and the plurality of connecting rods located on the upper side are fixed to the lower end of the support plate.

[0013] By adopting the above technical solution, the overall connectivity of the fixing ring and the connecting rod can be improved.

[0014] In a preferred example, the utility model can be further configured as follows: the upper ends of the anchor rods and the plurality of fixing rings are each provided with a plurality of mounting holes, and four reinforcing ribs are slidably connected in the plurality of mounting holes.

[0015] By adopting the above technical solution, the mounting holes and reinforcing ribs can improve the overall reinforcement.

[0016] In a preferred example, the utility model can be further configured as follows: the upper end of the rotating rod is fixedly connected with a rotating block, and the lower end of the anchor rod is fixedly connected with a plug.

[0017] By adopting the above technical solution, the rotating block can conveniently rotate the rotating rod, and the plug can move downward.

[0018] In a preferred example, the utility model can be further configured as follows: a connecting ring is fixedly connected to the circumferential inner wall of the installation groove, and the anchor rod is threadedly connected in the connecting ring.

[0019] By adopting the above technical solution, the connecting ring can facilitate the installation of the anchor rod.

[0020] A foundation pit support, comprising an anchor cable structure of the foundation pit support.

[0021] In summary, the utility model includes at least one of the following beneficial technical effects:

[0022] 1. A support plate, anchor rod, cavity, plug rod, slot, mounting plate, reset spring and pouring hole are provided. When a pouring hole is opened next to the foundation pit, the mounting ring, fixed ring and connecting rod are inserted into the pouring hole, the rotating block is rotated to shrink the plug rod into the cavity, the anchor rod is inserted into the pouring port, the rotating rod is released, the reset spring returns to its original state from the contracted state, the mounting plate drives the plug rod to move, the plug rod is inserted into the slot, and the plug rod is driven to be inserted into the soil next to the pouring trough, thereby improving the connectivity and stability of the anchor rod with the soil after pouring.

[0023] 2. A connecting ring, a connecting rod, a fixing ring, a plug and a reinforcing rib are provided. The reinforcing rib can improve the overall strength of the anchor cable during pouring. The connecting ring can facilitate the integrity of the anchor rod. The fixing ring and the connecting rod can form a steel cage to improve the strength and connectivity of the reinforced pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a stereogram of this embodiment;

[0025] Figure 2 is a three-dimensional cross-sectional view of this embodiment;

[0026] Figure 3 This embodiment Figure 2 A partial enlarged view of point A in the middle.

[0027] In the figure, 1. support plate; 2. anchor rod; 3. mounting groove; 4. rotating block; 5. rotating mechanism; 501. rotating rod; 502. traction rope; 6. mounting ring; 7. reinforcing rib; 8. connecting rod; 9. fixing ring; 10. slot; 11. mounting hole; 12. plug rod; 13. pouring hole; 14. plug; 15. cavity; 16. mounting plate; 17. reset spring; 18. limit rod; 19. connecting ring. DETAILED DESCRIPTION

[0028] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0029] Embodiment 1:

[0030] Reference Figure 1-3The utility model discloses an anchor cable structure and foundation pit support for foundation pit support, comprising a support plate 1, an upper end of the support plate 1 is provided with a mounting groove 3, a mounting ring 6 is slidably connected between the side walls of the mounting groove 3, an anchor rod 2 is arranged in the mounting ring 6, an upper end of the anchor rod 2 is provided with a cavity 15, a circumferential inner wall of the cavity 15 is provided with a plurality of pouring holes 13 and a plurality of mounting holes 11, two mounting plates 16 are slidably arranged in the cavity 15, the other sides of the two mounting plates 16 are fixedly connected with plug rods 12, and the plurality of plug rods 12 are slidably connected to the plurality of slots 10, respectively. Inside, a plurality of return springs 17 are fixedly connected between the two mounting plates 16. When a casting hole is opened next to the foundation pit, the mounting ring 6, the fixing ring 9 and the connecting rod 8 are inserted into the casting hole, the rotating block 4 is rotated to retract the insertion rod 12 into the cavity 15, and the anchor rod 2 is inserted into the casting port. The rotating rod 501 is released, and the return spring 17 returns to its original state from the retracted state. The mounting plate 16 drives the insertion rod 12 to move, so that the insertion rod 12 is inserted into the slot 10, and drives the insertion rod 12 to be inserted into the soil next to the casting trough, thereby improving the connectivity of the anchor rod 2 with the soil after casting.

[0031] A rotating mechanism 5 is provided on the inner bottom wall of the cavity 15, and the rotating mechanism 5 includes a rotating rod 501 and a plurality of traction ropes 502. The rotating rod 501 is rotatably connected to the inner bottom wall of the cavity 15, and the plurality of traction ropes 502 are fixedly connected to the circumferential side of the rotating rod 501. The other sides of the plurality of traction ropes 502 are respectively fixed to two mounting plates 16. The rotation of the rotating rod 501 can drive the mounting plate 16 to move. After installation, the rotating rod 501 is released, and the reset spring 17 returns to its original state from the contracted state, and the mounting plate 16 drives the insertion rod 12 to move, so that the insertion rod 12 is inserted into the slot 10, thereby driving the insertion rod 12 to move, so that the insertion rod 12 can be inserted into the soil.

[0032] The circumferential side wall of the cavity 15 is fixedly connected with a plurality of limit rods 18 , and the two mounting plates 16 are both slidably connected to the circumferential sides of the plurality of limit rods 18 . The mounting plates 16 and the limit rods 18 are slidably matched to improve the movement stability of the mounting plates 16 .

[0033] A plurality of fixing rings 9 are arranged below the support plate 1, and a plurality of connecting rods 8 are fixedly connected to the upper ends of the plurality of fixing rings 9. The plurality of fixing rings 9 are connected by a plurality of connecting rods 8, and the plurality of connecting rods 8 located on the upper side are fixed to the lower end of the support plate 1. The fixing rings 9 and the connecting rods 8 can improve the overall connectivity.

[0034] A plurality of mounting holes 11 are provided at the upper ends of the anchor rod 2 and the plurality of fixing rings 9, and four reinforcing ribs 7 are slidably connected in the plurality of mounting holes 11. The reinforcing ribs 7 can improve the overall strength of the anchor cable during pouring, and the connecting ring 19 can facilitate the integrity of the anchor rod 2. The fixing ring 9 and the connecting rod 8 can form a steel cage to improve the strength and connectivity of the reinforced pile.

[0035] The upper end of the rotating rod 501 is fixedly connected with a rotating block 4, and the lower end of the anchor rod 2 is fixedly connected with a plug 14. The rotating block 4 can easily rotate the rotating rod 501, and the plug 14 can move downward.

[0036] A connecting ring 19 is fixedly connected to the circumferential inner wall of the installation groove 3 , and the anchor rod 2 is threadedly connected in the connecting ring 19 . The connecting ring 19 can facilitate the installation of the anchor rod 2 .

[0037] Embodiment 2:

[0038] A foundation pit support, comprising an anchor cable structure of the foundation pit support.

[0039] The implementation principle of the above embodiment is: after a casting hole is opened next to the foundation pit, the mounting ring 6, the fixing ring 9 and the connecting rod 8 are inserted into the casting hole, the rotating block 4 is rotated to retract the insertion rod 12 into the cavity 15, and the anchor rod 2 is inserted into the casting port. The rotating rod 501 is released, and the reset spring 17 returns to its original state from the retracted state. The mounting plate 16 drives the insertion rod 12 to move, so that the insertion rod 12 is inserted into the slot 10, and drives the insertion rod 12 to be inserted into the soil next to the casting trough, thereby improving the connectivity of the anchor rod 2 with the soil after casting.

[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0041] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An anchor cable structure for foundation pit support, comprising a support plate (1), characterized in that: The upper end of the support plate (1) is provided with a mounting groove (3), and a mounting ring (6) is slidably connected between the side walls of the mounting groove (3). An anchor rod (2) is arranged in the mounting ring (6), and a cavity (15) is provided at the upper end of the anchor rod (2). The circumferential inner wall of the cavity (15) is provided with a plurality of pouring holes (13) and a plurality of mounting holes (11). Two mounting plates (16) are slidably arranged in the cavity (15), and the other sides of the two mounting plates (16) are fixedly connected with an insertion rod (12). The plurality of insertion rods (12) are respectively slidably connected in a plurality of slots (10), and a plurality of return springs (17) are fixedly connected between the two mounting plates (16).

2. The anchor cable structure for foundation pit support according to claim 1, characterized in that: The inner bottom wall of the cavity (15) is provided with a rotating mechanism (5), and the rotating mechanism (5) comprises a rotating rod (501) and a plurality of traction ropes (502), the rotating rod (501) is rotatably connected to the inner bottom wall of the cavity (15), the plurality of traction ropes (502) are all fixedly connected to the circumferential side of the rotating rod (501), and the other sides of the plurality of traction ropes (502) are respectively fixed to two mounting plates (16).

3. The anchor cable structure for foundation pit support according to claim 1, characterized in that: A plurality of limiting rods (18) are fixedly connected to the circumferential side wall of the cavity (15), and the two mounting plates (16) are both slidably connected to the circumferential sides of the plurality of limiting rods (18).

4. The anchor cable structure for foundation pit support according to claim 1, characterized in that: A plurality of fixing rings (9) are arranged below the support plate (1), and the upper ends of the plurality of fixing rings (9) are fixedly connected to a plurality of connecting rods (8). The plurality of fixing rings (9) are connected to each other via the plurality of connecting rods (8), and the plurality of connecting rods (8) located on the upper side are fixed to the lower end of the support plate (1).

5. The anchor cable structure for foundation pit support according to claim 1, characterized in that: The upper ends of the anchor rod (2) and the plurality of fixing rings (9) are each provided with a plurality of mounting holes (11), and four reinforcing ribs (7) are slidably connected in the plurality of mounting holes (11).

6. The anchor cable structure for foundation pit support according to claim 2, characterized in that: The upper end of the rotating rod (501) is fixedly connected to a rotating block (4), and the lower end of the anchor rod (2) is fixedly connected to a plug (14).

7. The anchor cable structure for foundation pit support according to claim 1, characterized in that: A connecting ring (19) is fixedly connected to the circumferential inner wall of the installation groove (3), and the anchor rod (2) is threadedly connected inside the connecting ring (19).

8. A foundation pit support, characterized in that: The foundation pit support comprises the anchor cable structure of the foundation pit support as described in any one of claims 1-7.

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