A rapid installation and disassembly device for steel support of deep foundation pit

Abstract

The utility model discloses a kind of quick installation and disassembly devices of deep foundation pit steel support, including support straight pole, hydraulic adjusting assembly, two groups of inclined strut components and limiting component;One end of the support straight pole is connected with the hydraulic adjusting assembly, and the other end is connected in the recess of the first encircling purlin of first steel sheet pile inside connection in one side;The output end of the hydraulic adjusting assembly is connected in the recess of second encircling purlin of second steel sheet pile inside connection in the other side;Two groups of the inclined strut component are respectively connected on the hydraulic adjusting assembly and the one end of the support straight pole away from the hydraulic adjusting assembly;Wherein, the limiting component is respectively arranged in the recess of the first encircling purlin and the second encircling purlin, for limiting the inclined strut component and the support straight pole movement.The utility model can be reused, can also be not dependent on formwork or pre-embedded piece to carry out quick installation and disassembly, and can also dynamically adjust support position.

Description

Technical Field

[0001] This utility model relates to a rapid installation and dismantling device for steel supports in deep foundation pits. Background Technology

[0002] During the excavation of deep foundation pits, the stress state of the soil at the bottom and around the pit changes significantly, resulting in displacement and deformation that cannot be ignored. To ensure the smooth progress of the underground main structure construction and effectively protect the safety of the surrounding environment, such as adjacent buildings and structures, reliable support, reinforcement, and protection measures must be implemented for the sidewalls of the foundation pit and the surrounding soil to prevent engineering risks such as collapse and excessive deformation.

[0003] Currently, the main forms of deep foundation pit support are concrete and steel structure support. Concrete support requires on-site formwork and pouring, which is not only slow to construct, but also cannot be reused after dismantling, and the support position cannot be adjusted during the support period. Steel structure support requires pre-embedded welding of connecting bolts in the foundation pit waler structure. Although it can be reused, dismantling the steel support after the support is completed will damage the integrity of the material at the weld joint, and the support position cannot be adjusted during the support period.

[0004] Therefore, a rapid installation and dismantling device for steel supports in deep foundation pits is proposed to address the above problems. Utility Model Content

[0005] The purpose of this utility model is to overcome the existing defects and provide a rapid installation and dismantling device for steel supports in deep foundation pits. It can be reused, can be quickly installed and dismantled without relying on templates or embedded parts, and can also dynamically adjust the support position.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rapid installation and dismantling device for steel supports in deep foundation pits, comprising a support rod, a hydraulic adjustment assembly, two sets of diagonal bracing assemblies, and a limiting assembly;

[0007] One end of the support rod is connected to the hydraulic adjustment assembly, and the other end is connected to the groove of the first waler connected to the inner side of the first sheet pile on one side; the output end of the hydraulic adjustment assembly is connected to the groove of the second waler connected to the inner side of the second sheet pile on the other side; the two sets of the diagonal bracing assemblies are respectively connected to the hydraulic adjustment assembly and to the end of the support rod away from the hydraulic adjustment assembly;

[0008] The limiting components are respectively disposed in the grooves of the first waler and the second waler, and are used to restrict the movement of the diagonal brace component and the supporting rod.

[0009] Preferably, the hydraulic adjustment assembly includes a hydraulic fixing rod, a hydraulic telescopic rod, and a hydraulic lifting motor; one end of the hydraulic fixing rod is connected to the supporting straight rod, and the other end is internally slidably connected to the hydraulic telescopic rod; one end of the hydraulic telescopic rod is connected to the groove of the second waler; the output end of the hydraulic lifting motor is connected to the bottom of the hydraulic telescopic rod.

[0010] Preferably, the diagonal bracing assembly includes a hinged steel hoop and two supporting diagonal rods; a side plate is connected to each side of the hinged steel hoop, and a rotating seat is connected to one end of each of the two supporting diagonal rods; each of the two side plates is rotatably connected to a rotating seat by a pin.

[0011] Preferably, the hinged steel hoop of the diagonal brace assembly located on the supporting straight rod is sleeved on the outer wall of the supporting straight rod, and the two supporting diagonal rods are supported in the groove of the first waler.

[0012] Preferably, the hinged steel hoop of the diagonal brace assembly located on the hydraulic adjustment assembly is sleeved on the hydraulic fixing rod, and the two supporting diagonal rods are supported in the groove of the second waler.

[0013] Preferably, the limiting assembly includes six limiting members, two of which are located on both sides of the supporting straight rod; the other four limiting members are located on the outside of the four supporting diagonal rods respectively.

[0014] Preferably, the limiting member includes a locking clamp and a limiting block. The locking clamp is bolted to the edge of the corresponding first waler or second waler, and the lower end of the locking clamp is connected to the limiting block.

[0015] Preferably, the hinged steel hoop is connected to the outer wall of the support rod by welding.

[0016] Preferably, the hinged steel hoop is connected to the outer wall of the hydraulic fixing rod by welding.

[0017] Compared with existing technologies, the beneficial effects of this utility model are as follows: This rapid installation and dismantling device for deep foundation pit steel supports connects one end of a support rod to a hydraulic adjustment component, and the other end to a groove in the first waler connected to the inner side of the first sheet pile on one side; the output end of the hydraulic adjustment component is connected to a groove in the second waler connected to the inner side of the second sheet pile on the other side; two sets of diagonal bracing components are respectively connected to the hydraulic adjustment component and the end of the support rod away from the hydraulic adjustment component; limiting components are respectively set in the grooves of the first and second walers to restrict the movement of the diagonal bracing components and the support rod. This device not only allows for reuse but also enables rapid installation and dismantling without relying on templates or embedded parts, and also allows for dynamic adjustment of the support position. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram illustrating the application of the rapid installation and dismantling device for deep foundation pit steel supports of this utility model;

[0020] Figure 2 This is another application diagram of the rapid installation and dismantling device for deep foundation pit steel supports of this utility model;

[0021] Figure 3 Here are detailed drawings of the hydraulic adjustment component of this utility model;

[0022] Figure 4 Details of the diagonal brace component of this utility model.

[0023] In the diagram: 1. Support rod; 2. Hydraulic adjustment assembly; 21. Hydraulic fixing rod; 22. Hydraulic telescopic rod; 23. Hydraulic lifting motor; 3. Diagonal brace assembly; 31. Hinged steel hoop; 32. Supporting diagonal rod; 33. Side plate; 34. Rotating seat; 35. Pin; 4. Limiting assembly; 41. Limiting component; 42. Locking clamp; 43. Limiting block; 5. First sheet pile; 6. First waler; 7. Second sheet pile; 8. Second waler. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-4 A rapid installation and dismantling device for steel supports in deep foundation pits includes a support rod 1, a hydraulic adjustment assembly 2, two sets of diagonal bracing assemblies 3, and a limiting assembly 4. One end of the support rod 1 is connected to the hydraulic adjustment assembly 2, and the other end is connected to a groove in a first waler 6 connected to the inner side of a first sheet pile 5 on one side. The output end of the hydraulic adjustment assembly 2 is connected to a groove in a second waler 8 connected to the inner side of a second sheet pile 7 on the other side. The two sets of diagonal bracing assemblies 3 are respectively connected to the hydraulic adjustment assembly 2 and the end of the support rod 1 away from the hydraulic adjustment assembly 2. The limiting assembly 4 is respectively set in the grooves of the first waler 6 and the second waler 8 to restrict the movement of the diagonal bracing assemblies 3 and the support rod 1.

[0026] Specifically, the hydraulic adjustment assembly 2 includes a hydraulic fixed rod 21, a hydraulic telescopic rod 22, and a hydraulic lifting motor 23; one end of the hydraulic fixed rod 21 is connected to the support rod 1, and the other end is internally slidably connected to the hydraulic telescopic rod 22; one end of the hydraulic telescopic rod 22 is connected to the groove of the second waler 8; the output end of the hydraulic lifting motor 23 is connected to the bottom of the hydraulic telescopic rod 22.

[0027] Please see Figure 3 , 4 The diagonal bracing assembly 3 includes a hinged steel hoop 31 and two supporting diagonal rods 32; a side plate 33 is connected to each side of the hinged steel hoop 31, and a rotating seat 34 is connected to one end of each of the two supporting diagonal rods 32. Each of the two side plates 33 is rotatably connected to a rotating seat 34 by a pin 35.

[0028] Specifically, the hinged steel hoop 31 of the diagonal brace assembly 3 located on the supporting straight rod 1 is sleeved on the outer wall of the supporting straight rod 1, and the two supporting diagonal rods 32 are supported in the groove of the first waler 6. The hinged steel hoop 31 is connected to the outer wall of the supporting straight rod 1 by welding.

[0029] Specifically, the hinged steel hoop 31 of the diagonal brace assembly 3 located on the hydraulic adjustment assembly 2 is sleeved on the hydraulic fixing rod 21, and the two supporting diagonal rods 32 are supported in the grooves of the second waler 8. The hinged steel hoop 31 is connected to the outer wall of the hydraulic fixing rod 21 by welding.

[0030] Please see Figure 3 , 4 The limiting assembly 4 includes six limiting members 41, two of which are located on both sides of the supporting straight rod 1; the other four limiting members 41 are located on the outside of the four supporting diagonal rods 32 respectively. The limiting member 41 includes a locking clip 42 and a limiting block 43. The locking clip 42 is bolted to the edge of the corresponding first waler 6 or second waler 8, and the lower end of the locking clip 42 is connected to the limiting block 43.

[0031] Specifically, after the first waler 6 and the second waler 8 are constructed, one end of the support rod 1 is connected to a set of diagonal bracing components 3. The support rod 1 is inserted into the groove of the first waler 6, and limiting pieces 41 are connected to both sides of the support rod 1. The support diagonal rods 32 of the diagonal bracing components 3 are diagonally braced in the groove of the first waler 6, and limiting pieces 41 are connected to the outside of the two support diagonal rods 32. The hydraulic telescopic rod 22 of the hydraulic adjustment component 2 connected to the other end of the support rod 1 is aligned with the groove of the second waler 8. The hydraulic jacking motor 23 is started to drive the hydraulic telescopic rod 22 to extend into the groove of the second waler 8 until there is no gap and the hydraulic jacking motor 23 stops working. Then the support diagonal rods 32 of the diagonal bracing components 3 are diagonally braced in the groove of the second waler 8, and limiting pieces 41 are connected to the outside of the two support diagonal rods 32. The support work is completed.

[0032] Specifically, after the support is completed, first remove the limiting piece 41 at the end of the hydraulic adjustment component 2, then use the crane / tower crane lifting rope to tie the support rod 1 close to the end of the hydraulic adjustment component 2, then reverse the hydraulic jacking motor 23 to retract the hydraulic telescopic rod 22 until the end leaves the groove of the second waler 8, finally remove all the limiting pieces 41, lift the rod to a suitable position, and complete the recovery of the support device.

[0033] This rapid installation and dismantling device for deep foundation pit steel supports involves connecting one end of a support rod 1 to a hydraulic adjustment component 2, and the other end to a groove in the first waler 6 connected to the inner side of the first sheet pile 5 on one side. The output end of the hydraulic adjustment component 2 is connected to a groove in the second waler 8 connected to the inner side of the second sheet pile 7 on the other side. Two sets of diagonal bracing components 3 are respectively connected to the hydraulic adjustment component 2 and the end of the support rod 1 away from the hydraulic adjustment component 2. Limiting components 4 are respectively set in the grooves of the first waler 6 and the second waler 8 to restrict the movement of the diagonal bracing components 3 and the support rod 1. This device not only allows for reuse but also enables rapid installation and dismantling without relying on templates or embedded parts, and allows for dynamic adjustment of the support position.

[0034] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model 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 make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A rapid installation and dismantling device for steel supports in deep foundation pits, characterized in that, It includes a support rod (1), a hydraulic adjustment assembly (2), two sets of diagonal bracing assemblies (3), and a limiting assembly (4); One end of the support rod (1) is connected to the hydraulic adjustment assembly (2), and the other end is connected to the groove of the first waler (6) connected to the inner side of the first sheet pile (5) on one side; the output end of the hydraulic adjustment assembly (2) is connected to the groove of the second waler (8) connected to the inner side of the second sheet pile (7) on the other side; the two sets of the diagonal bracing assemblies (3) are respectively connected to the hydraulic adjustment assembly (2) and the end of the support rod (1) away from the hydraulic adjustment assembly (2); The limiting components (4) are respectively disposed in the grooves of the first waler (6) and the second waler (8) to restrict the movement of the diagonal brace component (3) and the support rod (1).

2. The rapid installation and dismantling device for deep foundation pit steel supports according to claim 1, characterized in that, The hydraulic adjustment assembly (2) includes a hydraulic fixing rod (21), a hydraulic telescopic rod (22), and a hydraulic lifting motor (23); one end of the hydraulic fixing rod (21) is connected to the support rod (1), and the other end is internally slidably connected to the hydraulic telescopic rod (22); one end of the hydraulic telescopic rod (22) is connected to the groove of the second waler (8); the output end of the hydraulic lifting motor (23) is connected to the bottom of the hydraulic telescopic rod (22).

3. The rapid installation and dismantling device for deep foundation pit steel supports according to claim 2, characterized in that, The diagonal bracing assembly (3) includes a hinged steel hoop (31) and two supporting diagonal rods (32); a side plate (33) is connected to each side of the hinged steel hoop (31), and a rotating seat (34) is connected to one end of each of the two supporting diagonal rods (32). Each of the two side plates (33) is rotatably connected to a rotating seat (34) by a pin (35).

4. The rapid installation and dismantling device for deep foundation pit steel supports according to claim 3, characterized in that, The hinged steel hoop (31) of the diagonal brace assembly (3) located on the support rod (1) is sleeved on the outer wall of the support rod (1), and the two support diagonal rods (32) are supported in the groove of the first waler (6).

5. The rapid installation and dismantling device for deep foundation pit steel supports according to claim 3, characterized in that, The hinged steel hoop (31) of the diagonal brace assembly (3) located on the hydraulic adjustment assembly (2) is sleeved on the hydraulic fixing rod (21), and the two supporting diagonal rods (32) are supported in the groove of the second waler (8).

6. The rapid installation and dismantling device for deep foundation pit steel supports according to claim 3, characterized in that, The limiting assembly (4) includes six limiting members (41), two of which are located on both sides of the supporting straight rod (1); the other four limiting members (41) are located on the outside of the four supporting diagonal rods (32).

7. The rapid installation and dismantling device for deep foundation pit steel supports according to claim 6, characterized in that, The limiting member (41) includes a locking clip (42) and a limiting block (43). The locking clip (42) is bolted to the edge of the corresponding first waler (6) or second waler (8). The lower end of the locking clip (42) is connected to the limiting block (43).

8. The rapid installation and dismantling device for deep foundation pit steel supports according to claim 3, characterized in that, The hinged steel hoop (31) is connected to the outer wall of the support rod (1) by welding.

9. The rapid installation and dismantling device for deep foundation pit steel supports according to claim 3, characterized in that, The hinged steel hoop (31) is connected to the outer wall of the hydraulic fixing rod (21) by welding.

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