Supporting device for foundation pit construction

Abstract

The utility model relates to the technical field of foundation pit supporting, in particular to a supporting device for foundation pit construction, which comprises a base, four first ground nails are connected to the middle of the upper end of the base in a penetrating mode, and two sliding grooves are formed in each of the left side and the right side of the upper end of the base. Supporting main bodies are slidably connected to the left side and the right side of the upper end of the base through two sliding grooves in the same side, and the two supporting main bodies are arranged in a bilateral symmetry mode. According to the supporting device for foundation pit construction, rapid disassembly and assembly between the first supporting assembly and the second supporting assembly can be achieved, the occupied space is small, transportation is convenient, meanwhile, a first fixing nail on a first supporting plate and a second fixing nail on a second supporting plate are inserted into the side wall of a foundation pit, and the supporting device is convenient to use. The supporting effect of the first supporting plates and the second supporting plates is enhanced, the distance between the two first supporting plates is adjusted by sliding the sliding blocks in the sliding grooves, adjustment of the distance between the two supporting bodies is achieved, flexibility is high, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a support device for foundation pit construction. Background Art

[0002] The foundation pit is a soil pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. The foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, and is a support, reinforcement and protection measure for the side walls of the foundation pit and the surrounding environment. When the support plate is used to support the foundation pit, the support plate is usually erected at the edge of the foundation pit, so that the support plate is easy to fall down when it is under pressure from the soil outside the foundation pit, causing the foundation pit to collapse.

[0003] The baffle of the existing foundation pit support device is not easy to disassemble and assemble, occupies a large area, is not convenient for transportation, and the existing foundation pit support device has a fixed structure, is not convenient for adjusting the support distance, and has poor practicality. Therefore, we propose a support device for foundation pit construction. Utility Model Content

[0004] The main purpose of the utility model is to provide a supporting device for foundation pit construction, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A support device for foundation pit construction, comprising a base, wherein four No. 1 ground nails are inserted and connected in the middle of the upper end of the base, two slide grooves are provided on both the left and right sides of the upper end of the base, and the left and right sides of the upper end of the base are slidably connected with a support body through the two slide grooves on the same side, and the two support bodies are arranged symmetrically on the left and right sides;

[0007] The support body includes an adjustment component and a No. 1 support component. A connecting rod is fixedly installed between the adjustment component and the No. 1 support component. A No. 2 support component is detachably installed on the upper end of the No. 1 support component.

[0008] Preferably, the adjustment component includes an adjustment plate, and two sliders used in conjunction with the slide grooves are fixedly installed at the lower end of the adjustment plate. The two sliders are slidably connected in two slide grooves on the same side to slide the adjustment plate on the upper end of the base. Avoidance grooves are provided at the four corners of the upper end of the adjustment plate, and No. 2 ground nails are inserted and connected in the four avoidance grooves.

[0009] Preferably, three positioning holes for use with the No. 2 ground nails are equidistantly arranged on the lower groove wall of the slide groove, and the distance between two adjacent positioning holes is equal to the distance between two No. 2 ground nails.

[0010] Preferably, the No. 1 support assembly includes a No. 1 support plate, a protrusion is fixedly installed on one end of the No. 1 support plate, a connecting strip is integrally formed on the upper end of the protrusion, four No. 1 fixing nails are inserted and connected on the end of the No. 1 support plate close to the protrusion, two card slots are provided on the upper end of the No. 1 support plate, one end of the connecting rod is fixedly connected to the lower end of the protrusion, and the end of the connecting rod away from the protrusion is fixedly connected to the upper end of the adjustment plate.

[0011] Preferably, the No. 2 support assembly includes a No. 2 support plate, a connecting sleeve block used in conjunction with the connecting strip is fixedly welded to the lower part of one end of the No. 2 support plate, two screws are inserted and connected to the end of the connecting sleeve block away from the No. 2 support plate, four No. 2 fixing nails are inserted and connected to the end of the No. 2 support plate close to the connecting sleeve block, and two clamping columns used in conjunction with the clamping slot are fixedly installed at the lower end of the No. 2 support plate.

[0012] Preferably, the clamping column is clamped in the clamping groove to fix the No. 2 supporting plate to the upper end of the No. 1 supporting plate, and the connecting sleeve block is slidably sleeved on the outside of the connecting strip and fixedly connected by screws.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. Preliminarily fix the No. 2 support plate on the upper end of the No. 1 support plate by clamping the clamping column in the corresponding clamping slot, and fix the connecting sleeve and the connecting strip by screws to complete the fixed installation of the No. 2 support assembly and the No. 1 support assembly. It can realize the rapid disassembly and assembly between the No. 1 support assembly and the No. 2 support assembly, occupies a small space and is convenient for transportation. At the same time, the No. 1 fixing nail on the No. 1 support plate and the No. 2 fixing nail on the No. 2 support plate are driven into the side wall of the foundation pit to strengthen the support effect of the No. 1 support plate and the No. 2 support plate.

[0015] 2. The slider slides in the slide groove to adjust the distance between the two No. 1 support plates, so that the No. 1 support plates on both sides fit with the side walls of the foundation pit. Then the No. 2 ground nails are passed through the avoidance groove, the slider and the positioning holes and inserted into the soil. The adjustment component is positioned to achieve the distance adjustment between the two support bodies. It has strong flexibility and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a supporting device for foundation pit construction according to the utility model;

[0017] Figure 2 This is a schematic diagram of the composition structure of a supporting device for foundation pit construction according to the utility model;

[0018] Figure 3 It is a schematic diagram of the composition structure of the supporting body of a supporting device for foundation pit construction of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection between an adjustment component and a No. 1 support component of a support device for foundation pit construction of the utility model.

[0020] In the figure: 1. base; 2. No. 1 ground nail; 3. slide groove; 4. support body; 5. No. 2 ground nail; 6. adjustment component; 7. No. 1 support component; 8. No. 2 support component; 9. connecting rod; 31. positioning hole; 61. adjustment plate; 62. slider; 63. avoidance groove; 71. No. 1 support plate; 72. No. 1 fixing nail; 73. protrusion; 74. connecting strip; 75. slot; 81. No. 2 support plate; 82. No. 2 fixing nail; 83. connecting sleeve block; 84. screw; 85. clamping column. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-4 , the utility model provides a technical solution:

[0025] A supporting device for foundation pit construction comprises a base 1, four No. 1 ground nails 2 are inserted and connected in the middle of the upper end of the base 1, two slide grooves 3 are provided on the left and right sides of the upper end of the base 1, and the left and right sides of the upper end of the base 1 are slidably connected with supporting bodies 4 through the two slide grooves 3 on the same side, and the two supporting bodies 4 are symmetrically arranged.

[0026] In this embodiment, the support body 4 includes an adjustment component 6 and a No. 1 support component 7, a connecting rod 9 is fixedly installed between the adjustment component 6 and the No. 1 support component 7, and a No. 2 support component 8 is detachably installed on the upper end of the No. 1 support component 7; the adjustment component 6 includes an adjustment plate 61, and two sliders 62 used in conjunction with the slide groove 3 are fixedly installed on the lower end of the adjustment plate 61, and the two sliders 62 are slidably connected in the two slide grooves 3 on the same side to slide the adjustment plate 61 on the upper end of the base 1, and avoidance grooves 63 are provided at the four corners of the upper end of the adjustment plate 61, and No. 2 ground nails are inserted and connected in the four avoidance grooves 63 5; the lower groove wall of the slide groove 3 is equidistantly provided with three positioning holes 31 used in conjunction with the No. 2 ground nails 5, and the distance between two adjacent positioning holes 31 is equal to the distance between the two No. 2 ground nails 5; the slider 62 slides in the slide groove 3 to adjust the distance between the two No. 1 support plates 71, so that the No. 1 support plates 71 on both sides fit with the side walls of the foundation pit, and then the No. 2 ground nail 5 passes through the avoidance groove 63, the slider 62 and the positioning holes 31 and is inserted into the soil, and the adjustment component 6 is positioned, thereby realizing the distance adjustment between the two support bodies 4, with strong flexibility and a wide range of applications.

[0027] The cam 74 is provided with a screw thread 76 which is provided at the top of the cam 76, and a screw thread 76 is provided at the bottom of the cam 76 to prevent the cam 76 from sliding out of the cam 76. Two clamping columns 85 used in conjunction with the clamping slots 75 are fixedly installed at the end; the clamping columns 85 are clamped in the clamping slots 75 to fix the No. 2 support plate 81 to the upper end of the No. 1 support plate 71, and the connecting sleeve block 83 is slidably sleeved on the outside of the connecting strip 74 and fixedly connected by screws 84; the No. 2 support plate 81 is initially fixedly installed on the upper end of the No. 1 support plate 71 by clamping the clamping columns 85 in the corresponding clamping slots, and the connecting sleeve block 83 and the connecting strip 74 are fixed by screws 84 to complete the fixed installation of the No. 2 support assembly 8 and the No. 1 support assembly 7, which can realize the rapid disassembly and assembly between the No. 1 support assembly 7 and the No. 2 support assembly 8, occupying a small space and convenient transportation. At the same time, the No. 1 fixing nail 72 on the No. 1 support plate 71 and the No. 2 fixing nail 82 on the No. 2 support plate 81 are driven into the side wall of the foundation pit to strengthen the support effect of the No. 1 support plate 71 and the No. 2 support plate 81.

[0028] It should be noted that the utility model is a support device for foundation pit construction. During use, the base 1 is first fixedly installed in the foundation pit by cooperating with four No. 1 ground nails 2, and then the clamping column 85 is clamped in the corresponding clamping groove 75 to preliminarily fix the No. 2 support plate 81 on the upper end of the No. 1 support plate 71. At this time, the connecting sleeve block 83 is slidably sleeved on the outside of the connecting strip 74, and the connecting sleeve block 83 is fixed to the connecting strip 74 by screws 84, thereby completing the fixed installation of the No. 2 support component 8 and the No. 1 support component 7, and can realize the rapid disassembly and assembly between the No. 1 support component 7 and the No. 2 support component 8, occupying space. The space is small and convenient for transportation. The slider 62 is used to slide in the slide groove 3 to adjust the distance between the two No. 1 support plates 71, so that the No. 1 support plates 71 on both sides are fitted with the side walls of the foundation pit. Then the No. 2 ground nail 5 passes through the avoidance groove 63, the slider 62 and the positioning hole 31 and is inserted into the soil. The adjustment component 6 is positioned to achieve the distance adjustment between the two support bodies 4. It has strong flexibility and a wide range of applications. At the same time, the No. 1 fixing nail 72 on the No. 1 support plate 71 and the No. 2 fixing nail 82 on the No. 2 support plate 81 are driven into the side walls of the foundation pit to strengthen the support effect of the No. 1 support plate 71 and the No. 2 support plate 81.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A supporting device for foundation pit construction, comprising a base (1), characterized in that: Four No. 1 ground nails (2) are inserted and connected in the middle of the upper end of the base (1), two slide grooves (3) are provided on both sides of the upper end of the base (1), and the left and right sides of the upper end of the base (1) are slidably connected to a supporting body (4) through the two slide grooves (3) on the same side, and the two supporting bodies (4) are arranged symmetrically on the left and right sides; The support body (4) comprises an adjustment component (6) and a first support component (7), a connecting rod (9) is fixedly mounted between the adjustment component (6) and the first support component (7), and a second support component (8) is detachably mounted on the upper end of the first support component (7).

2. A supporting device for foundation pit construction according to claim 1, characterized in that: The adjustment assembly (6) comprises an adjustment plate (61), the lower end of which is fixedly mounted two sliders (62) for use with the slide grooves (3), the two sliders (62) being slidably connected in two slide grooves (3) on the same side to slide the adjustment plate (61) on the upper end of the base (1), the upper four corners of the adjustment plate (61) are provided with avoidance grooves (63), and the four avoidance grooves (63) are each inserted with a No. 2 ground nail (5).

3. A supporting device for foundation pit construction according to claim 1, characterized in that: The lower groove wall of the slide groove (3) is provided with three positioning holes (31) for use with the No. 2 ground nail (5) at equal distances, and the distance between two adjacent positioning holes (31) is equal to the distance between two No. 2 ground nails (5).

4. A supporting device for foundation pit construction according to claim 1, characterized in that: The No. 1 support assembly (7) comprises a No. 1 support plate (71), one end of the No. 1 support plate (71) is fixedly mounted with a protrusion (73), the upper end of the protrusion (73) is integrally formed with a connecting strip (74), one end of the No. 1 support plate (71) close to the protrusion (73) is interlaced with four No. 1 fixing nails (72), the upper end of the No. 1 support plate (71) is provided with two slots (75), one end of the connecting rod (9) is fixedly connected to the lower end of the protrusion (73), and the end of the connecting rod (9) away from the protrusion (73) is fixedly connected to the upper end of the adjustment plate (61).

5. A supporting device for foundation pit construction according to claim 1, characterized in that: The No. 2 support assembly (8) comprises a No. 2 support plate (81), a connecting sleeve (83) for use with a connecting strip (74) being fixedly welded to the lower part of one end of the No. 2 support plate (81), an end of the connecting sleeve (83) away from the No. 2 support plate (81) being interpenetratingly connected with two screws (84), an end of the No. 2 support plate (81) close to the connecting sleeve (83) being interpenetratingly connected with four No. 2 fixing nails (82), and a lower end of the No. 2 support plate (81) being fixedly mounted with two clamping columns (85) for use with the clamping slot (75).

6. A supporting device for foundation pit construction according to claim 5, characterized in that: The clamping column (85) is clamped in the clamping groove (75) to fix the second support plate (81) to the upper end of the first support plate (71), and the connecting sleeve block (83) is slidably sleeved on the outside of the connecting strip (74) and fixedly connected by screws (84).

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