Slope supporting mechanism for rock-soil foundation pit construction

Abstract

The utility model relates to the technical field of rock-soil foundation pits, and discloses a rock-soil foundation pit construction slope supporting mechanism which comprises a bottom plate, an adjusting mechanism is arranged above the bottom plate and comprises a protection plate, the left side face of the protection plate is fixedly connected with two fixing blocks, the upper surface of the bottom plate is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the bottom plate. Two sets of fixing nails are fixedly connected to the inner wall of the bottom plate, four sets of auxiliary ground nails are fixedly connected to the outer surface of each set of fixing nails, and a sliding groove is formed in the upper surface of the fixing plate. According to the slope supporting mechanism for rock-soil foundation pit construction, through mutual cooperation of the protection plate, the fixing blocks, the supporting columns, the sliding blocks, the sliding grooves, the bearings and the rotating screws, a slope of a rock-soil foundation pit can be supported, a good blocking effect is achieved, the applicability of the device is enhanced, and the practicability of the device is improved. The problems that a supporting device cannot adjust the inclination angle according to the actual situation of a slope, the using effect of the device is reduced, and the adaptability is poor can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rock and soil foundation pits, in particular to a rock and soil foundation pit construction slope supporting mechanism. Background Art

[0002] Foundation pit engineering is a systematic project that integrates geological engineering, geotechnical engineering, structural engineering and geotechnical testing technology. Its main contents include engineering investigation, support structure design and construction, earth excavation and backfilling, groundwater control, information construction and surrounding environmental protection. The simplest and most economical way of foundation pit construction is to enlarge the slope excavation, but it is often limited by site conditions and surrounding environment.

[0003] The utility model with the existing authorization announcement number CN218861549U discloses a foundation pit slope support device for geotechnical construction, including a support base, a first fixed block fixedly connected to the middle of the top of the support base, a long support rod passing through and arranged on the first fixed block, a second fixed block fixedly connected to the middle of the left side of the support long rod, a connecting block fixedly connected to the right side of the support long rod, a first connecting rod fixedly connected to the bottom of the connecting block, a spring fixedly connected to the bottom of the first connecting rod, a second connecting rod fixedly connected to the bottom of the spring, and fixed rods passing through and fixedly connected on both sides of the left and right sides of the support base.

[0004] With the above technical solution, the support base is placed at the required support position, the long support rod is pulled up, the fixing pipe is aligned and nailed into the soil to fix it, and then the screw is turned into the fixing pipe through the long support rod so that the second connecting plate completely penetrates the soil, making it difficult to pull the fixing pipe out of the soil. However, the above technical solution can only fix the support base by fixing the pipe nails and screws, and when the device is in use, the support angle is fixed, and the inclination angle cannot be adjusted according to the actual situation of the slope, resulting in reduced use effect of the device and poor adaptability.

[0005] Therefore, those skilled in the art provide a slope support mechanism for rock and soil foundation pit construction to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0006] The utility model aims to provide a slope support mechanism for rock and soil foundation pit construction to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A slope support mechanism for rock and soil foundation pit construction, comprising a bottom plate, with an adjustment mechanism arranged above the bottom plate;

[0009] The adjusting mechanism includes a protective plate, two fixing blocks are fixedly connected to the left side of the protective plate, the upper surface of the base plate is fixedly connected to a fixing plate, the inner wall of the base plate is fixedly connected to two groups of fixing nails, the outer surface of each group of the fixing nails is fixedly connected to four groups of auxiliary ground nails, a sliding groove is provided on the upper surface of the fixing plate, a sliding block is slidably connected inside the sliding groove, the inner walls of the two fixing blocks are rotatably connected to a supporting column together, the outer surface of the support column is rotatably connected to the inner wall of the sliding block, the inner wall of the fixing plate is threadedly connected to a rotating screw, the outer surface of the rotating screw is fixedly connected to a bearing, one end of the bearing close to the protective plate is fixedly connected to the left side of the sliding block, and the outer surface of the protective plate is rotatably connected to the inner wall of the base plate.

[0010] As a further solution of the utility model: the outer surfaces of the two fixing blocks are fixedly connected with a reinforcement frame, and the right side surface of the reinforcement frame is fixedly connected with the left side surface of the protective plate.

[0011] As a further solution of the utility model: the inner wall of the reinforcement frame is threadedly connected with two groups of fixing bolts, and the outer surface of each group of the fixing bolts is threadedly connected to the inner wall of the protective plate.

[0012] As a further solution of the utility model: the outer surface of each group of the fixing nails is fixedly connected to two fixing rings, and the bottom end of each of the fixing rings is fixedly connected to the upper surface of the bottom plate.

[0013] As a further solution of the utility model: the outer surface of the fixing plate is fixedly connected to two supporting plates, and the bottom surface of each supporting plate is fixedly connected to the upper surface of the bottom plate.

[0014] As a further solution of the utility model: a reinforcement plate is fixedly connected to the outer surface of the bearing, and the right side surface of the reinforcement plate is fixedly connected to the left side surface of the sliding block.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can support the slope of a rock and soil foundation pit by means of the mutual cooperation between the protective plate, the fixed block, the support column, the sliding block, the slide groove, the bearing and the rotating screw, and play a good blocking effect, thereby enhancing the applicability of the device. The rotating screw is used to drive the sliding block to move, and the inclination angle of the protective plate can be changed according to the inclination degree of the slope of the foundation pit, so as to achieve the purpose of adjusting the angle of the protective plate and enhance the practical effect of the device. By means of the mutual cooperation between the fixed nails and the auxiliary ground nails, the overall stability of the device can be improved, and a good fixing effect can be achieved, thereby enhancing the use effect of the device and preventing the position of the device from shifting during use. It can effectively avoid the problem that the supporting device cannot adjust the inclination angle according to the actual situation of the slope, resulting in reduced use effect of the device and poor adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a slope support mechanism for rock and soil foundation pit construction;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of a protective plate in a slope support mechanism for rock and soil foundation pit construction;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of a sliding block in a slope support mechanism for rock and soil foundation pit construction;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of a support column in a slope support mechanism for rock and soil foundation pit construction.

[0021] In the figure: 1. bottom plate; 2. adjustment mechanism; 201. protective plate; 202. fixing block; 203. fixing nail; 204. auxiliary ground nail; 205. slide groove; 206. sliding block; 207. fixing plate; 208. support column; 209. rotating screw; 210. bearing; 3. reinforcement frame; 4. fixing ring; 5. fixing bolt; 6. support plate; 7. reinforcement plate. DETAILED DESCRIPTION

[0022] See also Figure 1-4 A slope support mechanism for rock and soil foundation pit construction includes a base plate 1, an adjustment mechanism 2 is arranged above the base plate 1, the adjustment mechanism 2 includes a protective plate 201, two fixed blocks 202 are fixedly connected to the left side of the protective plate 201, a fixed plate 207 is fixedly connected to the upper surface of the base plate 1, and a reinforcement frame 3 is fixedly connected to the outer surfaces of the two fixed blocks 202, and the right side of the reinforcement frame 3 is fixedly connected to the left side of the protective plate 201. The fixed blocks 202 and the protective plate 201 can be reinforced by the reinforcement frame 3 to prevent them from shifting during use.

[0023] The inner wall of the base plate 1 is fixedly connected with two groups of fixing nails 203, and the outer surface of each group of fixing nails 203 is fixedly connected with four groups of auxiliary ground nails 204. The inner wall of the reinforcement frame 3 is threadedly connected with two groups of fixing bolts 5, and the outer surface of each group of fixing bolts 5 is threadedly connected to the inner wall of the protective plate 201. The reinforcement frame 3 and the protective plate 201 can be fixed by the fixing bolts 5, thereby further enhancing the stability of the device.

[0024] A sliding groove 205 is provided on the upper surface of the fixed plate 207, and a sliding block 206 is slidably connected inside the sliding groove 205. The inner walls of the two fixed blocks 202 are rotatably connected to a support column 208. The outer surface of each group of fixing nails 203 is fixedly connected to two fixing rings 4, and the bottom end of each fixing ring 4 is fixedly connected to the upper surface of the base plate 1. The fixing ring 4 can reinforce the fixing nails 203 and the base plate 1, thereby achieving a better fixing effect.

[0025] The outer surface of the support column 208 is rotatably connected to the inner wall of the sliding block 206, and the inner wall of the fixed plate 207 is threadedly connected to a rotating screw 209. The outer surface of the fixed plate 207 is fixedly connected to two support plates 6, and the bottom surface of each support plate 6 is fixedly connected to the upper surface of the base plate 1. The fixed plate 207 can be reinforced by the support plate 6, effectively avoiding the problem of displacement and instability during use.

[0026] The outer surface of the rotating screw 209 is fixedly connected to a bearing 210, and the end of the bearing 210 close to the protective plate 201 is fixedly connected to the left side of the sliding block 206. The outer surface of the protective plate 201 is rotatably connected to the inner wall of the base plate 1. The outer surface of the bearing 210 is fixedly connected to a reinforcing plate 7, and the right side of the reinforcing plate 7 is fixedly connected to the left side of the sliding block 206. The reinforcing plate 7 can be used to fix the bearing 210 and the sliding block 206, which has a good reinforcement effect and prevents them from being offset and unstable during use.

[0027] The working principle of the utility model is as follows: when in use, the device is first placed in a rock foundation pit that needs to be supported, and then the device can be fixed by inserting the fixing nails 203 into the deep rock layer, and the auxiliary ground nails 204 on the fixing nails 203 are inserted into the deep rock layer at an angle, so that the stability of the device can be further enhanced, and the problem of the device being offset and unstable during use can be effectively avoided. When the slope inclination angle is large and the angle of the protective plate 201 needs to be adjusted, the sliding block 206 is first moved in the sliding groove 205 by using the rotating screw 209, which can The support column 208 can be moved with the sliding block 206. Since the other end of the support column 208 is fixed on the two fixed blocks 202, and the two fixed blocks 202 are fixed on the protective plate 201, the inclination angle of the support column 208 can be changed by using the rotating screw 209, thereby the inclination angle of the protective plate 201 can be adjusted, thereby achieving the purpose of adjusting the inclination angle of the support mechanism according to the inclination angle of the slope, enhancing the practical effect of the device, and effectively avoiding the problem that the support mechanism is inconvenient to adjust the inclination angle, resulting in reduced use effect of the device and poor adaptability.

[0028] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A slope support mechanism for rock and soil foundation pit construction, comprising a bottom plate (1), characterized in that: An adjustment mechanism (2) is provided above the bottom plate (1); The adjustment mechanism (2) comprises a protective plate (201), the left side of which is fixedly connected to two fixing blocks (202), the upper surface of the bottom plate (1) is fixedly connected to a fixing plate (207), the inner wall of the bottom plate (1) is fixedly connected to two groups of fixing nails (203), the outer surface of each group of fixing nails (203) is fixedly connected to four groups of auxiliary ground nails (204), the upper surface of the fixing plate (207) is provided with a sliding groove (205), the interior of the sliding groove (205) is slidably connected to a sliding block (206), The inner walls of the two fixed blocks (202) are rotatably connected to a support column (208), the outer surface of the support column (208) is rotatably connected to the inner wall of the sliding block (206), the inner wall of the fixed plate (207) is threadedly connected to a rotating screw (209), the outer surface of the rotating screw (209) is fixedly connected to a bearing (210), one end of the bearing (210) close to the protective plate (201) is fixedly connected to the left side surface of the sliding block (206), and the outer surface of the protective plate (201) is rotatably connected to the inner wall of the bottom plate (1).

2. A slope support mechanism for rock and soil foundation pit construction according to claim 1, characterized in that: The outer surfaces of the two fixing blocks (202) are commonly fixedly connected to a reinforcement frame (3), and the right side surface of the reinforcement frame (3) is fixedly connected to the left side surface of the protective plate (201).

3. A rock and soil foundation pit construction slope support mechanism according to claim 2, characterized in that: Two groups of fixing bolts (5) are threadedly connected to the inner wall of the reinforcement frame (3), and the outer surface of each group of fixing bolts (5) is threadedly connected to the inner wall of the protective plate (201).

4. A slope support mechanism for rock and soil foundation pit construction according to claim 1, characterized in that: The outer surface of each group of fixing nails (203) is fixedly connected to two fixing rings (4), and the bottom end of each fixing ring (4) is fixedly connected to the upper surface of the bottom plate (1).

5. A slope support mechanism for rock and soil foundation pit construction according to claim 1, characterized in that: Two support plates (6) are fixedly connected to the outer surface of the fixed plate (207), and the bottom surface of each support plate (6) is fixedly connected to the upper surface of the bottom plate (1).

6. A slope support mechanism for rock and soil foundation pit construction according to claim 1, characterized in that: A reinforcing plate (7) is fixedly connected to the outer surface of the bearing (210), and the right side surface of the reinforcing plate (7) is fixedly connected to the left side surface of the sliding block (206).

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