Detection system based on underground rock soil of foundation pit

Abstract

The invention discloses a detection system based on underground rock soil of a foundation pit, and relates to the technical field of underground rock soil detection, the detection system comprises a mounting frame, the upper side of the mounting frame is fixedly connected with a hydraulic rod, the upper end of the hydraulic rod is fixedly connected with a top plate, and the lower side of the top plate is rotatably connected with a rotating rod; a detection unit for detecting underground rock soil of the foundation pit is arranged at the lower end of the rotating rod, a motor for driving the rotating rod is fixedly connected to the upper side of the top plate, a front plate is fixedly connected to the front side of the mounting frame, and a controller and an alarm are fixedly connected to the front side of the front plate. According to the detection and early warning system based on the underground rock soil of the foundation pit, by arranging a hydraulic rod, a top plate, a rotating rod, a lifting cylinder, a drill bit, a branch rod, an inclined plate, a lifting piston disc, a ventilation pipe and first pressure plates, the multiple first pressure plates can be conveniently controlled to extend to make contact with underground soil; a plurality of pressure plates II can be conveniently controlled to measure the pressure of the rock-soil wall, and the detection precision is improved.

Description

Technical Field

[0001] This invention relates to the field of underground soil and rock testing technology, specifically to a testing system for underground soil and rock in foundation pits. Background Technology

[0002] An excavation pit is the space below ground level excavated in a building construction project for the construction of underground structures (such as basements, foundations, pipeline laying, etc.). It is an important part of the construction process, involving multiple technical fields such as earthwork excavation, support, dewatering, and monitoring.

[0003] A search revealed a Chinese patent with application number "CN201920627720.9", which is a real-time early warning device for stability in geotechnical engineering. The device includes a soil layer, an earth pressure gauge inside the soil layer, an anti-sinking plate fixedly connected to the top of the earth pressure gauge, a dustproof box fixedly connected to the top of the anti-sinking plate, and limit sleeves fixedly connected to the left and right sides of the inner wall of the dustproof box. A tension spring is fixedly connected to the bottom of the inner wall of the limit sleeve, and the top of the tension spring is fixedly connected to the bottom of the display.

[0004] Soil is usually a product of rock weathering. Soil composition testing can infer the type of underlying bedrock. Before foundation pit construction, testing equipment is needed to test the underground rock and soil. During testing, a pressure gauge is buried underground to facilitate the pressure gauge to detect soil stress and to issue an alarm for soil stress through an early warning device. However, testing the soil around the underground rock can only be done at a single point. When there are different layers in the soil, such as soft clay and gravel layers, the accuracy of single-point pressure testing is not high. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a detection system for underground soil and rock in foundation pits, which solves the problem of low accuracy in single-point detection when detecting underground soil and rock.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A detection system for underground soil and rock in a foundation pit includes a mounting frame. A hydraulic rod is fixedly connected to the upper side of the mounting frame. A top plate is fixedly connected to the upper end of the hydraulic rod. A rotating rod is rotatably connected to the lower side of the top plate. A detection unit for detecting underground soil and rock in the foundation pit is installed at the lower end of the rotating rod. A motor for driving the rotating rod is fixedly connected to the upper side of the top plate. A front plate is fixedly connected to the front side of the mounting frame. A controller and an alarm are fixedly connected to the front side of the front plate. The detection unit includes a lifting cylinder, which is fixedly connected to the lower end of the rotating rod. A pressure measuring component for measuring soil and rock pressure is installed on the outside of the lifting cylinder. A sampling component for taking soil and rock samples is installed on the outside of the lifting cylinder and above the pressure measuring component. A drill bit is fixedly connected to the lower side of the lifting cylinder, and a vent pipe is fixedly connected to the upper side of the lifting cylinder.

[0007] Preferably, the pressure measuring component includes multiple branch rods, all of which are disposed on the outside of the lifting cylinder. One end of each branch rod has a rectangular groove, and an inclined plate is rotatably connected to the inner side of each rectangular groove. A rotating block is rotatably connected to the outer side of the upper end of the inclined plate. A lifting block is fixedly connected to the upper side of the rotating block, and a lifting piston disc is fixedly connected to the upper side of the lifting block. The other end of each branch rod passes through the outside of the lifting cylinder and is fixedly connected to a movable disc. A control cavity is disposed on the inner side of the movable disc, and a movable rod is disposed on the outer side of the movable disc. A control disc is fixedly connected to one end of the movable rod, and a contact disc is fixedly connected to the other end of the movable rod. A pressure plate is fixedly connected to the outer side of the contact disc.

[0008] Preferably, a second spring is fixedly connected between the outer side of the control panel and the inner wall of the control cavity, a conical block is fixedly connected to the outer side of the control panel, a plurality of abutments are provided on the outer side of the moving disk, one end of the abutment abuts against the conical block, and a branch block is fixedly connected to the other end of the abutment. A third spring is fixedly connected between the outer side of the branch block and the outer side of the moving disk, and a second pressure plate is fixedly connected to the side of the branch block away from the lifting cylinder.

[0009] Preferably, a spring is fixedly connected between the outer side of the lifting piston disc and the inner wall of the lifting cylinder, and the lifting piston disc is slidably connected to the lifting cylinder.

[0010] Preferably, the sampling assembly includes multiple telescopic rods, all of which are fixedly connected to the outside of the lifting cylinder. A control plate is fixedly connected to the outer end of each telescopic rod, and a control cylinder is fixedly connected to the outside of the control plate. A control rod is rotatably connected to the inside of the control cylinder, and a rotating roller is fixedly connected to the outside of the control rod. Multiple actuating plates are fixedly connected to the outside of the rotating roller. One end of the control rod passes through the outside of the control cylinder and is fixedly connected to a sampling cylinder. A connecting pipe I and a connecting pipe II are fixedly connected between the control cylinder and the lifting cylinder. A solenoid valve I is installed on the outside of the connecting pipe I, and a solenoid valve II is installed on the outside of the connecting pipe II.

[0011] Preferably, the other end of the control lever passes through one side of the control plate and is fixedly connected to a bevel gear one. A fixing plate is fixedly connected to the outside of the control plate. A rotating shaft is rotatably connected to the outside of the fixing plate. One end of the rotating shaft is fixedly connected to a bevel gear two that meshes with the bevel gear one. The other end of the rotating shaft is fixedly connected to a gear component. A toothed plate that meshes with the gear component is fixedly connected to the outside of the lifting cylinder.

[0012] Preferably, one end of the first connecting pipe and one end of the second connecting pipe are both located inside the lifting cylinder.

[0013] Beneficial effects This invention provides a detection system for underground soil and rock in foundation pits. Compared with existing technologies, it has the following advantages: (1) The detection and early warning system based on the underground rock and soil of the foundation pit is equipped with hydraulic rods, top plate, rotating rod, lifting cylinder, drill bit, branch rod, inclined plate, lifting piston disc, ventilation pipe, and pressure plate one. It is convenient to control multiple pressure plates one to extend and contact the underground soil. And through cone block, abutment rod, and pressure plate two, it is convenient to control multiple pressure plates two to perform pressure detection on the rock and soil wall, thereby increasing the detection accuracy.

[0014] (2) The detection and early warning system based on the underground rock and soil of the foundation pit is equipped with a telescopic rod, control plate, control cylinder, control rod, sampling cylinder, toothed plate, gear parts, bevel gear one and bevel gear two, which facilitates the sampling operation of rock and soil walls at multiple locations during pressure measurement, and facilitates the subsequent detection of rock and soil samples. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the detection unit in this invention; Figure 3 This is a cross-sectional perspective view of the detection unit in this invention; Figure 4 This is a partial cross-sectional perspective view of the pressure measuring component in this invention; Figure 5 This is a three-dimensional structural diagram of the sampling component in this invention; Figure 6 This is a cross-sectional perspective view of the sampling unit in this invention; Figure 7 This is a three-dimensional structural diagram of the sampling unit in this invention from another perspective; Figure 8 for Figure 7 Enlarged view of point A in the middle.

[0016] In the diagram: 1. Mounting frame; 2. Hydraulic rod; 3. Top plate; 4. Front plate; 5. Controller; 6. Alarm; 7. Rotating rod; 8. Detection unit; 9. Motor; 81. Lifting cylinder; 82. Vent pipe; 83. Drill bit; 84. Pressure measuring assembly; 85. Sampling assembly; 841. Branch rod; 842. Rectangular groove; 843. Inclined plate; 844. Rotating block; 845. Lifting block; 846. Lifting piston disc; 847. Spring 1; 848. Moving disc; 849. Control cavity; 8410. Moving rod; 8411. Spring 2; 8412. Control disc; 8413. Conical block; 8415. Contact disc; 8416. Pressure plate 1; 8417. Push rod; 8418. Branch block; 8419. Pressure plate 2; 8420. Spring 3; 851. Telescopic rod; 852. Control panel; 853. Control cylinder; 854. Control rod; 855. Sampling cylinder; 856. Connecting pipe one; 857. Connecting pipe two; 858. Solenoid valve one; 859. Solenoid valve two; 8510. Gear plate; 8511. Rotating roller; 8512. Actuating plate; 8513. Bevel gear one; 8514. Bevel gear two; 8515. Fixing plate; 8516. Rotating shaft; 8517. Gear component. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Example 1 Please see Figure 1 - Figure 4 This invention provides a technical solution: a detection system for underground soil and rock in a foundation pit, comprising a mounting frame 1, a hydraulic rod 2 fixedly connected to the upper side of the mounting frame 1, a top plate 3 fixedly connected to the upper end of the hydraulic rod 2, a rotating rod 7 rotatably connected to the lower side of the top plate 3, a detection unit 8 for detecting the underground soil and rock in the foundation pit being provided at the lower end of the rotating rod 7, a motor 9 for driving the rotating rod 7 fixedly connected to the upper side of the top plate 3, a front plate 4 fixedly connected to the front side of the mounting frame 1, a controller 5 and an alarm 6 fixedly connected to the front side of the front plate 4, the detection unit 8 including a lifting cylinder 81, the lifting cylinder 81 being fixedly connected to the lower end of the rotating rod 7, and a pressure measuring component 84 for measuring soil and rock pressure being provided on the outer side of the lifting cylinder 81. A sampling component 85 for taking soil and rock samples is set on the outside of the pressure measuring component 84. A drill bit 83 is fixedly connected to the lower side of the lifting cylinder 81, and a vent pipe 82 is fixedly connected to the upper side of the lifting cylinder 81. When testing the soil and rock of the foundation pit, the hydraulic rod 2 is first controlled to drive the top plate 3 to descend. The top plate 3 drives the drill bit 83 on the lifting cylinder 81 to descend. At the same time, the motor 9 is started. The motor 9 drives the rotating rod 7 to rotate. The rotating rod 7 drives the lifting cylinder 81 to rotate. The lifting cylinder 81 drives the drill bit 83 to rotate, so that the drill bit 83 can drill into the foundation pit. It is convenient for the testing component to be buried inside the soil and rock. During the test, the external air pump is connected to the vent pipe 82 to introduce gas into the lifting cylinder 81 for convenient testing.

[0019] The pressure measuring assembly 84 includes multiple branch rods 841, all of which are located on the outside of the lifting cylinder 81. One end of each branch rod 841 has a rectangular slot 842. An inclined plate 843 is rotatably connected to the inner side of each rectangular slot 842. A rotating block 844 is rotatably connected to the outer side of the upper end of the inclined plate 843. A lifting block 845 is fixedly connected to the upper side of the rotating block 844. A lifting piston disc 846 is fixedly connected to the upper side of the lifting block 845. The other end of each branch rod 841 passes through the outside of the lifting cylinder 81 and is fixedly connected to a movable disc 848. A control cavity 849 is located inside the movable disc 848. A movable rod 8410 is located outside the movable disc 848. A control disc 8412 is fixedly connected to one end of the movable rod 8410, and a contact disc 8415 is fixedly connected to the other end of the movable rod 8410. A pressure plate 8416 is fixedly connected to the outer side of the contact plate 8415. A spring 8411 is fixedly connected between the outer side of the control plate 8412 and the inner wall of the control cavity 849. A conical block 8413 is fixedly connected to the outer side of the control plate 8412. Multiple abutments 8417 are provided on the outer side of the moving plate 848. One end of the abutment 8417 abuts against the conical block 8413. A branch block 8418 is fixedly connected to the other end of the abutment 8417. A spring 8420 is fixedly connected between the outer side of the branch block 8418 and the outer side of the moving plate 848. A pressure plate 8419 is fixedly connected to the side of the branch block 8418 away from the lifting cylinder 81. A spring 847 is fixedly connected between the outer side of the lifting piston plate 846 and the inner wall of the lifting cylinder 81. The lifting piston plate 846 is slidably connected to the lifting cylinder 81.

[0020] When testing the stress on the rock and soil wall, gas is introduced into the lifting cylinder 81. Under the action of air pressure, the gas pushes the lifting piston disc 846 downward. The lifting piston disc 846 drives the lifting block 845 downward. The lifting block 845 drives multiple inclined plates 843 to rotate. The inclined plates 843 drive the branch rods 841 to move. The multiple branch rods 841 extend and drive the moving disc 848 to move. The moving disc 848 drives the pressure plate 8416 to move. When the pressure plate 8416 contacts the rock and soil wall, it facilitates stress testing of the rock and soil wall at multiple locations using multiple pressure plates 8416, and continues to control... The branch rod 841 moves, causing the pressure plate 8416 to move the contact plate 8415. The contact plate 8415 moves the moving rod 8410, which in turn moves the control plate 8412. The control plate 8412 moves the conical block 8413, causing the conical block 8413 to press the push rod 8417, which in turn moves the branch block 8418. The branch block 8418 then moves the pressure plate 8419, causing multiple pressure plates 8419 to move away from the moving plate 848. This allows multiple pressure plates 8419 to re-measure pressure at multiple locations on the rock and soil wall, increasing the accuracy of the test.

[0021] Example 2 Based on Example 1, such as Figure 5 - Figure 8 As shown, the sampling assembly 85 includes multiple telescopic rods 851, all of which are fixedly connected to the outside of the lifting cylinder 81. A control plate 852 is fixedly connected to the outer end of each telescopic rod 851. A control cylinder 853 is fixedly connected to the outside of the control plate 852. A control rod 854 is rotatably connected to the inside of the control cylinder 853. A rotating roller 8511 is fixedly connected to the outside of the control rod 854. Multiple actuating plates 8512 are fixedly connected to the outside of the rotating roller 8511. One end of the control rod 854 passes through the outside of the control cylinder 853 and is fixedly connected to a sampling cylinder 855. A connecting pipe 1 856 and a connecting pipe 2 857 are fixedly connected between the control cylinder 853 and the lifting cylinder 81. An electromagnetic [device / device] is installed on the outside of the connecting pipe 1 856. A solenoid valve 859 is installed on the outside of valve 858 and connecting pipe 857. The other end of control lever 854 passes through one side of control plate 852 and is fixedly connected to bevel gear 8513 on its outside. A fixing plate 8515 is fixedly connected to the outside of control plate 852. A rotating shaft 8516 is rotatably connected to the outside of fixing plate 8515. One end of rotating shaft 8516 is fixedly connected to bevel gear 8514, which meshes with bevel gear 8513. The other end of rotating shaft 8516 is fixedly connected to gear component 8517. A gear plate 8510, which meshes with gear component 8517, is fixedly connected to the outside of lifting cylinder 81. One end of connecting pipe 856 and one end of connecting pipe 857 are both located inside lifting cylinder 81. During pressure testing, gas is introduced into the lifting cylinder 81. Part of the gas enters the control cylinder 853 through connecting pipe 1 856, causing the gas to drive the actuating plate 8512 to rotate. Gas also enters the lifting cylinder 81 through connecting pipe 2 857. The actuating plate 8512 drives the rotating roller 8511 to rotate, which in turn drives the control rod 854 to rotate. The control rod 854 then drives the sampling cylinder 855 to rotate, facilitating drilling of the rock and soil wall by the sampling cylinder 855. Simultaneously, the control rod 854 drives the first bevel gear 8513 to rotate, which in turn drives the second bevel gear 8514 to rotate. The second bevel gear 8514 then drives the rotating shaft 8516 to rotate, which in turn drives the gear... When the gear 8517 rotates, it is connected to the gear plate 8510, facilitating the movement of the gear 8517. The gear 8517 drives the fixed plate 8515 on the rotating shaft 8516 to move. The fixed plate 8515 drives the control plate 852 to move, and the control plate 852 drives the sampling cylinder 855 to move, so that the sampling cylinder 855 can perform sampling operations on the rock and soil wall sample, which facilitates the subsequent testing of the rock and soil wall sample. When the sample is taken out, the gas enters the control cylinder 853 from the connecting pipe 857 through the solenoid valve 1 858 and the solenoid valve 2 859, and is discharged from the connecting pipe 1 856, which facilitates the reverse rotation of the control rod 854 and the reset of the sampling cylinder 855.

[0022] Working principle: In use, the operator first places the installation frame 1 on the foundation pit, then controls the hydraulic rod 2 to drive the drill bit 83 to descend, and controls the motor 9 to control the rotation of the drill bit 83, so that the drill bit 83 drills a channel in the soil and rock, facilitating subsequent inspection. Then, the external air pump is connected to the air pipe 82 to introduce gas into the lifting cylinder 81. The gas pushes the lifting piston disc 846 to move. Under the action of the lifting block 845, the inclined plate 843, the branch rod 841, and the moving disc 848, multiple pressure plates 8416 are controlled to contact the soil and rock wall. The branch rod 841 is then controlled to move, causing the pressure plates 8416 to drive the control disc 8412 to move, and the conical block 8416 moves. 413, the abutment rod 8417, and the branch block 8418 control the pressure plate 8419 to extend outward, facilitating the detection of multiple locations on multiple rock and soil walls. At the same time, gas enters the control cylinder 853 through the connecting pipe 856. Under the action of the actuating plate 8512, the rotating roller 8511, and the control rod 854, the sampling cylinder 855 is controlled to rotate. Simultaneously, the control rod 854 drives the bevel gear 8513 to rotate. Under the action of the bevel gear 8514, the rotating shaft 8516, the gear component 8517, and the fixing plate 8515, the sampling cylinder 855 is controlled to move, allowing the sampling cylinder 855 to perform sampling operations on the rock and soil samples, facilitating subsequent analysis.

[0023] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0024] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A detection system for underground soil and rock in a foundation pit, comprising a mounting frame (1), characterized in that: A hydraulic rod (2) is fixedly connected to the upper side of the mounting frame (1). A top plate (3) is fixedly connected to the upper end of the hydraulic rod (2). A rotating rod (7) is rotatably connected to the lower side of the top plate (3). A detection unit (8) for detecting the underground soil and rock of the foundation pit is provided at the lower end of the rotating rod (7). A motor (9) for driving the rotating rod (7) is fixedly connected to the upper side of the top plate (3). A front plate (4) is fixedly connected to the front side of the mounting frame (1). A controller (5) and an alarm are fixedly connected to the front side of the front plate (4). The device (6) and the detection unit (8) include a lifting cylinder (81), which is fixedly connected to the lower end of the rotating rod (7). A pressure measuring component (84) for measuring the pressure of rock and soil is provided on the outside of the lifting cylinder (81). A sampling component (85) for taking samples of rock and soil is provided on the outside of the lifting cylinder (81) and above the pressure measuring component (84). A drill bit (83) is fixedly connected to the lower side of the lifting cylinder (81), and a vent pipe (82) is fixedly connected to the upper side of the lifting cylinder (81).

2. The detection system for underground soil and rock in a foundation pit according to claim 1, characterized in that: The pressure measuring assembly (84) includes multiple branch rods (841), each branch rod (841) being disposed on the outside of the lifting cylinder (81). One end of each branch rod (841) has a rectangular slot (842). An inclined plate (843) is rotatably connected to the inner side of each rectangular slot (842). A rotating block (844) is rotatably connected to the outer side of the upper end of the inclined plate (843). A lifting block (845) is fixedly connected to the upper side of the rotating block (844), and a lifting piston disc (845) is fixedly connected to the upper side of the lifting block (845). 6) The other end of the branch rod (841) passes through the outside of the lifting cylinder (81) and is fixedly connected to a moving disk (848). A control cavity (849) is provided on the inner side of the moving disk (848). A moving rod (8410) is provided on the outer side of the moving disk (848). A control disk (8412) is fixedly connected to one end of the moving rod (8410). A contact disk (8415) is fixedly connected to the other end of the moving rod (8410). A pressure plate (8416) is fixedly connected to the outer side of the contact disk (8415).

3. The detection system for underground soil and rock in a foundation pit according to claim 2, characterized in that: A spring (8411) is fixedly connected between the outer side of the control panel (8412) and the inner wall of the control cavity (849). A conical block (8413) is fixedly connected to the outer side of the control panel (8412). A plurality of abutments (8417) are provided on the outer side of the moving disk (848). One end of the abutment (8417) abuts against the conical block (8413). The other end of the abutment (8417) is fixedly connected to a branch block (8418). A spring (8420) is fixedly connected between the outer side of the branch block (8418) and the outer side of the moving disk (848). A pressure plate (8419) is fixedly connected to the side of the branch block (8418) away from the lifting cylinder (81).

4. The detection system for underground soil and rock in a foundation pit according to claim 2, characterized in that: A spring (847) is fixedly connected between the outer side of the lifting piston disc (846) and the inner wall of the lifting cylinder (81), and the lifting piston disc (846) and the lifting cylinder (81) are slidably connected.

5. The detection system for underground soil and rock in a foundation pit according to claim 1, characterized in that: The sampling assembly (85) includes multiple telescopic rods (851), all of which are fixedly connected to the outside of the lifting cylinder (81). A control plate (852) is fixedly connected to the outer end of each telescopic rod (851). A control cylinder (853) is fixedly connected to the outside of the control plate (852). A control rod (854) is rotatably connected to the inner side of the control cylinder (853). A rotating roller (8511) is fixedly connected to the outside of the control rod (854). Multiple toggle plates (8512) are fixedly connected to the outside of the control cylinder (853). One end of the control rod (854) passes through the outside of the control cylinder (853) and is fixedly connected to the sampling cylinder (855). A connecting pipe one (856) and a connecting pipe two (857) are fixedly connected between the control cylinder (853) and the lifting cylinder (81). A solenoid valve one (858) is provided on the outside of the connecting pipe one (856), and a solenoid valve two (859) is provided on the outside of the connecting pipe two (857).

6. The detection system for underground soil and rock in a foundation pit according to claim 5, characterized in that: The other end of the control lever (854) passes through one side of the control plate (852) and is fixedly connected to a bevel gear (8513) on the outside. A fixing plate (8515) is fixedly connected to the outside of the control plate (852). A rotating shaft (8516) is rotatably connected to the outside of the fixing plate (8515). A bevel gear (8514) that meshes with the bevel gear (8513) is fixedly connected to one end of the rotating shaft (8516). A gear component (8517) is fixedly connected to the other end of the rotating shaft (8516). A toothed plate (8510) that meshes with the gear component (8517) is fixedly connected to the outside of the lifting cylinder (81).

7. The detection system for underground soil and rock in a foundation pit according to claim 5, characterized in that: One end of the first connecting pipe (856) and one end of the second connecting pipe (857) are both located inside the lifting cylinder (81).

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