Slope displacement monitoring device during pile foundation excavation

Abstract

The present invention belongs to the field of pile foundation excavation, and in particular, relates to a slope displacement monitoring device during pile foundation excavation, comprising a horizontally arranged frame, the middle part of the upper side wall of the frame is depressed downward to form a fixed groove, the internal space of the frame is divided into two symmetrically arranged transmission chambers, the upper port of the fixed groove is fixedly connected with a horizontally arranged fixed plate, the upper side wall of the fixed plate is fixedly installed with a motor, both side walls of the outer side wall of the frame are fixedly connected with a fixed frame, each of the fixed frames is provided with a universal wheel, and a lifting mechanism is provided between the universal wheel and the motor. The present invention sets a transmission mechanism, the transmission belt on the main rotating roller will drive the transmission roller to rotate synchronously, the fan-shaped gear under the transmission roller will rotate accordingly, driving the crown gear meshing with it to rotate, so that the rotating rod drives the gear to rotate, and the gear will drive the rack meshing with it to move downward, thereby driving the moving frame to move down into the pile pit for monitoring through the sliding block and the horizontal threaded tube.

Description

Technical Field

[0001] The invention belongs to the field of pile foundation excavation, and in particular relates to a slope displacement monitoring device during the pile foundation excavation process. Background Art

[0002] Pile pit excavation is a frequently required step in the construction of public buildings. During the excavation of the pile pit, it is often necessary to measure the slope displacement according to specific standards to avoid position offset during the excavation process. Most traditional monitoring devices are large in size and inconvenient to transport. During use, it is also difficult to make corresponding adjustments according to the specific conditions of the pile pit, making them inconvenient to use. Summary of the invention

[0003] The purpose of the present invention is to provide a device for monitoring slope displacement during pile foundation excavation in view of the above-mentioned problems.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a slope displacement monitoring device during pile foundation excavation, comprising a horizontally arranged frame, the middle part of the upper side wall of the frame is recessed downward to form a fixed groove, the internal space of the frame is divided into two symmetrically arranged transmission chambers, the upper port of the fixed groove is fixedly connected to a horizontally arranged fixed plate, a motor is fixedly installed on the upper side wall of the fixed plate, both side walls of the outer side wall of the frame are fixedly connected to fixed frames, each of the fixed frames is provided with a universal wheel, a lifting mechanism is provided between the universal wheel and the motor, and a monitoring mechanism is provided in the fixed groove.

[0005] In the above-mentioned slope displacement monitoring device during pile foundation excavation, a T-shaped movable plate is rotatably connected above the universal wheel, the upper side wall of the movable plate is slidably connected to the fixed frame, and the universal wheel is arranged to penetrate the lower side wall of the fixed frame.

[0006] In the above-mentioned slope displacement monitoring device during pile foundation excavation, the lifting mechanism includes a main rotating roller rotatably connected to the lower side wall of the fixed plate, the output end of the motor is coaxially fixedly connected to the main rotating roller, and the top surfaces of the two transmission chambers are rotatably connected to auxiliary rotating rollers, the auxiliary rotating rollers are arranged through the side walls of the transmission chamber, and the main rotating roller and the two auxiliary rotating rollers are jointly covered with a transmission belt.

[0007] In the above-mentioned slope displacement monitoring device during pile foundation excavation, the upper side wall of the fixed frame is rotatably connected to a vertically arranged internal threaded barrel, the internal threaded barrel is internally threadedly connected to an external threaded block, the external threaded block is fixedly connected to the movable plate through a connecting rod, and the internal threaded barrel is coaxially fixedly connected to the auxiliary rotating roller.

[0008] In the above-mentioned slope displacement monitoring device during pile foundation excavation, the monitoring mechanism includes two symmetrically arranged moving frames arranged in a fixed groove, a fixed button is fixedly connected to the frame, the moving frame is sleeved on the fixed button and movably connected to the fixed button, and the moving frame is arranged through the frame.

[0009] In the above-mentioned slope displacement monitoring device during pile foundation excavation, a first threaded barrel is fixedly connected to the side wall of the movable frame, a first threaded block is internally threadedly connected to the first threaded barrel, a second threaded barrel is fixedly connected to the lower side wall of the first threaded block, a second threaded barrel is internally threadedly connected to the second threaded block, a lifting barrel is fixedly connected to the lower side wall of the second threaded block, and a detection belt is installed on the side wall of the lifting barrel.

[0010] In the above-mentioned slope displacement monitoring device during pile foundation excavation, the lower end of the second threaded cylinder extends to the outside of the first threaded cylinder, the lower end of the lifting cylinder extends to the outside of the second threaded cylinder, and each lifting cylinder is fixedly connected to a fixed cone at the lower end.

[0011] In the above-mentioned slope displacement monitoring device during pile foundation excavation, a transmission mechanism is provided in each transmission cavity, and the transmission mechanism includes a transmission roller rotatably connected to the top surface of the transmission cavity, the transmission belt sleeve is arranged on the outside of the transmission roller, and the lower side wall of the transmission roller is fixedly connected to a coaxially arranged fan gear, and a horizontally arranged rotating rod is rotatably connected in the transmission cavity, and a crown gear meshing with the fan gear is fixedly sleeved on the rotating rod.

[0012] In the above-mentioned slope displacement monitoring device during pile foundation excavation, a sliding block is slidably connected to the inner side wall of the fixed groove, a transverse threaded tube is connected between the sliding block and the movable frame, a blower is installed on each of the transverse threaded tubes, and a coaxially arranged gear is fixedly connected to the end of the rotating rod, a vertically arranged rack is slidably connected in the transmission cavity, and the rack is meshed with the gear and fixedly connected to the sliding block.

[0013] In the above-mentioned slope displacement monitoring device during pile foundation excavation, a vertical threaded tube is fixedly connected to the bottom surface of the transmission cavity, a magnetic block is fixedly connected to the upper end of the vertical threaded tube, a permanent magnet block with the same polarity as the magnetic block is fixedly connected to the lower end of the rack, and the vertical threaded tube is connected to the internal space of the first threaded barrel and the second threaded barrel.

[0014] Compared with the existing technology, the advantages of the slope displacement monitoring device during pile foundation excavation are:

[0015] The present invention sets a lifting mechanism. Before using the device, the universal wheel located outside the fixed frame needs to be moved to the inside of the fixed frame, that is, the motor is started to drive the main rotating roller to rotate, and the main rotating roller will drive the two auxiliary rotating rollers to rotate through the transmission belt, thereby driving the internal threaded barrel to rotate, and the external thread block threadedly connected to the internal threaded barrel will drive the universal wheel to move into the fixed frame through the moving plate, thereby facilitating the position fixing of the entire device.

[0016] The present invention sets a transmission mechanism, and the transmission belt on the main rotating roller will drive the transmission roller to rotate synchronously, and the fan-shaped gear under the transmission roller will rotate accordingly, driving the crown gear meshing with it to rotate, so that the rotating rod drives the gear to rotate, and the gear drives the rack meshing with it to move downward, thereby driving the moving frame to move downward into the pile pit for monitoring through the sliding block and the horizontal threaded tube.

[0017] The present invention provides a monitoring mechanism. When the rack moves downward, the permanent magnet block below it gradually approaches the magnetic block. The permanent magnet block squeezes the vertical threaded tube under the action of repulsive force, and squeezes the gas in the vertical threaded tube into the internal space of the first threaded tube and the second threaded tube, so that the first threaded tube, the second threaded tube and the lifting tube are extended, thereby monitoring the slope displacement of the pile pit slope.

[0018] In addition, the first threaded cylinder, the second threaded cylinder and the lifting cylinder are nested in layers, which can reduce the volume of the entire device during movement and transportation of the device, and can monitor the displacement of the slope of a deeper pile pit during use, making it more convenient to use.

[0019] The present invention provides a transverse threaded pipe on which a blower is installed. The amount of gas in the transverse threaded pipe can be adjusted by starting the blower, thereby driving the moving frame to rotate to a corresponding angle, and is suitable for monitoring different slopes. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In the figure, 1 is a frame, 2 is a fixed groove, 3 is a transmission cavity, 4 is a fixed plate, 5 is a motor, 6 is a fixed frame, 7 is a universal wheel, 8 is a moving plate, 9 is a main rotating roller, 10 is a secondary rotating roller, 11 is a transmission belt, 12 is an internal threaded cylinder, 13 is an external threaded block, 14 is a moving frame, 15 is a fixed button, 16 is a first threaded cylinder, 17 is a first threaded block, 18 is a second threaded cylinder, 19 is a second threaded block, 20 is a lifting cylinder, 21 is a transmission roller, 22 is a sector gear, 23 is a rotating rod, 24 is a crown gear, 25 is a sliding block, 26 is a horizontal threaded tube, 27 is a gear, 28 is a rack, 29 is a vertical threaded tube, 30 is a magnetic block, and 31 is a permanent magnetic block

[0021] Figure 1 It is a structural schematic diagram of a slope displacement monitoring device during pile foundation excavation provided by the present invention;

[0022] Figure 2 yes Figure 1A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 3 It is a schematic diagram of the internal structure of the first threaded barrel in the slope displacement monitoring device during the pile foundation excavation process provided by the present invention. DETAILED DESCRIPTION

[0024] The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0025] like Figure 1-3 As shown, the slope displacement monitoring device during pile foundation excavation includes a horizontally arranged frame 1, the middle part of the upper side wall of the frame 1 is recessed downward to form a fixing groove 2, the internal space of the frame 1 is divided into two symmetrically arranged transmission chambers 3, the upper port of the fixing groove 2 is fixedly connected to a horizontally arranged fixing plate 4, the upper side wall of the fixing plate 4 is fixedly installed with a motor 5, and both side walls of the outer side wall of the frame 1 are fixedly connected to fixing frames 6.

[0026] Each of the fixed frames 6 is provided with a universal wheel 7. It is worth mentioning that a T-shaped movable plate 8 is rotatably connected above the universal wheel 7. The upper side wall of the movable plate 8 is slidably connected to the fixed frame 6. The universal wheel 7 passes through the lower side wall of the fixed frame 6 to facilitate the movement of the device.

[0027] A lifting mechanism is provided between the universal wheel 7 and the motor 5. Specifically, the lifting mechanism includes a main rotating roller 9 rotatably connected to the lower side wall of the fixed plate 4. The output end of the motor 5 is coaxially and fixedly connected to the main rotating roller 9. The top surfaces of the two transmission chambers 3 are both rotatably connected to auxiliary rotating rollers 10. The auxiliary rotating rollers 10 are arranged through the side walls of the transmission chamber 3. The main rotating roller 9 and the two auxiliary rotating rollers 10 are jointly covered with a transmission belt 11.

[0028] The upper side wall of the fixed frame 6 is rotatably connected with a vertically arranged internal threaded barrel 12, the internal threaded barrel 12 is internally threadedly connected with an external threaded block 13, the external threaded block 13 is fixedly connected to the movable plate 8 through a connecting rod, and the internal threaded barrel 12 is coaxially fixedly connected with the auxiliary rotating roller 10.

[0029] A monitoring mechanism is provided in the fixed groove 2. It should be noted that the monitoring mechanism includes two symmetrically arranged moving frames 14 arranged in the fixed groove 2. A fixing button 15 is fixedly connected in the frame body 1. The moving frame 14 is sleeved on the fixing button 15 and movably connected to the fixing button 15. The moving frame 14 is arranged throughout the frame body 1.

[0030] A first threaded barrel 16 is fixedly connected to the side wall of the movable frame 14, a first threaded block 17 is internally threadedly connected to the first threaded barrel 16, a second threaded barrel 18 is fixedly connected to the lower side wall of the first threaded block 17, a second threaded barrel 18 is internally threadedly connected to the second threaded block 19, a lifting barrel 20 is fixedly connected to the lower side wall of the second threaded block 19, and a detection belt is installed on the side wall of the lifting barrel 20.

[0031] The lower end of the second threaded cylinder 18 extends to the outside of the first threaded cylinder 16 , and the lower end of the lifting cylinder 20 extends to the outside of the second threaded cylinder 18 . A fixing cone is fixedly connected to the lower end of each lifting cylinder 20 .

[0032] A transmission mechanism is provided in each transmission cavity 3, and the transmission mechanism includes a transmission roller 21 rotatably connected to the top surface of the transmission cavity 3, the transmission belt 11 is sleeved on the outside of the transmission roller 21, and a coaxially arranged sector gear 22 is fixedly connected to the lower side wall of the transmission roller 21. A horizontally arranged rotating rod 23 is rotatably connected in the transmission cavity 3, and a crown gear 24 meshing with the sector gear 22 is fixedly sleeved on the rotating rod 23.

[0033] A sliding block 25 is slidably connected to the inner wall of the fixed groove 2, and a transverse threaded tube 26 is connected between the sliding block 25 and the movable frame 14, and a blower is installed on each of the transverse threaded tubes 26. A coaxially arranged gear 27 is fixedly connected to the end of the rotating rod 23, and a vertically arranged rack 28 is slidably connected in the transmission cavity 3. The rack 28 is meshed with the gear 27 and fixedly connected to the sliding block 25.

[0034] A vertical threaded tube 29 is fixedly connected to the bottom surface of the transmission cavity 3, a magnetic block 30 is fixedly connected to the upper end of the vertical threaded tube 29, a permanent magnet 31 with the same polarity as the magnetic block 30 is fixedly connected to the lower end of the rack 28, and the vertical threaded tube 29 is connected to the internal space of the first threaded tube 16 and the second threaded tube 18.

[0035] When the present invention is used, the universal wheel 7 located outside the fixed frame 6 needs to be moved to the inside of the fixed frame 6 before the device is used, that is, the motor 5 is started to drive the main rotating roller 9 to rotate, and the main rotating roller 9 will drive the two auxiliary rotating rollers 10 to rotate through the transmission belt 11, thereby driving the internal threaded tube 12 to rotate, and the external thread block 13 threadedly connected to the internal threaded tube 12 will drive the universal wheel 7 to move to the inside of the fixed frame 6 through the moving plate 8, thereby facilitating the position fixing of the entire device.

[0036] The transmission belt 11 on the main rotating roller 9 will drive the transmission roller 21 to rotate synchronously, and the fan gear 22 under the transmission roller 21 will rotate accordingly, driving the crown gear 24 meshing with it to rotate, so that the rotating rod 23 drives the gear 27 to rotate, and the gear 27 drives the rack 28 meshing with it to move downward, thereby driving the moving frame 14 to move downward into the pile pit for monitoring through the sliding block 25 and the horizontal threaded tube 26.

[0037] During the downward movement of the rack 28, the permanent magnet block 31 below it will gradually approach the magnetic block 30, and the permanent magnet block 31 will squeeze the vertical threaded tube 29 under the action of repulsive force, and squeeze the gas in the vertical threaded tube 29 into the internal space of the first threaded tube 17 and the second threaded tube 18, so that the first threaded tube 17, the second threaded tube 18 and the lifting tube 20 are extended, thereby monitoring the slope displacement of the pile pit slope.

[0038] A blower is installed on the transverse threaded tube 26, and the amount of gas in the transverse threaded tube 26 can be adjusted by starting the blower, thereby driving the moving frame to rotate to a corresponding angle, which can be suitable for monitoring different slopes.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "slide", "rotate", "fix", "have" and the like should be understood in a broad sense, for example, it can be a welding connection, a bolt connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for monitoring slope displacement during pile foundation excavation, comprising a horizontally arranged frame (1), characterized in that: The middle part of the upper side wall of the frame (1) is recessed downward to form a fixing groove (2); the internal space of the frame (1) is divided into two symmetrically arranged transmission chambers (3); the upper end of the fixing groove (2) is fixedly connected to a horizontally arranged fixing plate (4); a motor (5) is fixedly installed on the upper side wall of the fixing plate (4); both side walls of the outer side wall of the frame (1) are fixedly connected to fixing frames (6); each fixing frame (6) is provided with a universal wheel (7); a lifting mechanism is provided between the universal wheel (7) and the motor (5); and a monitoring mechanism is provided in the fixing groove (2); A T-shaped moving plate (8) is rotatably connected above the universal wheel (7), the upper side wall of the moving plate (8) is slidably connected to the fixed frame (6), and the universal wheel (7) is arranged to penetrate the lower side wall of the fixed frame (6); The lifting mechanism comprises a main rotating roller (9) rotatably connected to the lower side wall of the fixed plate (4); the output end of the motor (5) is coaxially fixedly connected to the main rotating roller (9); the top surfaces of the two transmission chambers (3) are both rotatably connected to auxiliary rotating rollers (10); the auxiliary rotating rollers (10) are arranged to penetrate the side wall of the transmission chamber (3); and the main rotating roller (9) and the two auxiliary rotating rollers (10) are collectively sleeved with a transmission belt (11); The upper side wall of the fixed frame (6) is rotatably connected to a vertically arranged internal threaded cylinder (12), the internal threaded cylinder (12) is internally threadedly connected to an external threaded block (13), the external threaded block (13) is fixedly connected to the movable plate (8) via a connecting rod, and the internal threaded cylinder (12) is coaxially fixedly connected to the auxiliary rotating roller (10); The monitoring mechanism comprises two symmetrically arranged moving frames (14) arranged in the fixing groove (2); a fixing button (15) is fixedly connected to the frame (1); the moving frame (14) is sleeved on the fixing button (15) and movably connected to the fixing button (15); and the moving frame (14) is arranged to penetrate the frame (1); A first threaded cylinder (16) is fixedly connected to the side wall of the moving frame (14); a first threaded block (17) is internally threadedly connected to the first threaded cylinder (16); a second threaded cylinder (18) is fixedly connected to the lower side wall of the first threaded block (17); a second threaded cylinder (18) is internally threadedly connected to the second threaded block (19); a lifting cylinder (20) is fixedly connected to the lower side wall of the second threaded block (19); and a detection belt is installed on the side wall of the lifting cylinder (20); The lower end of the second threaded cylinder (18) extends to the outside of the first threaded cylinder (16), the lower end of the lifting cylinder (20) extends to the outside of the second threaded cylinder (18), and the lower end of each lifting cylinder (20) is fixedly connected to a fixing cone; Each transmission cavity (3) is provided with a transmission mechanism, the transmission mechanism comprising a transmission roller (21) rotatably connected to the top surface of the transmission cavity (3), the transmission belt (11) is sleeved on the outside of the transmission roller (21), a coaxially arranged sector gear (22) is fixedly connected to the lower side wall of the transmission roller (21), a horizontally arranged rotating rod (23) is rotatably connected in the transmission cavity (3), and a crown gear (24) meshingly connected to the sector gear (22) is fixedly sleeved on the rotating rod (23); A sliding block (25) is slidably connected to the inner wall of the fixed groove (2), a transverse threaded tube (26) is connected between the sliding block (25) and the movable frame (14), and a blower is installed on each of the transverse threaded tubes (26). A coaxially arranged gear (27) is fixedly connected to the end of the rotating rod (23), and a vertically arranged rack (28) is slidably connected in the transmission cavity (3), and the rack (28) is meshedly connected to the gear (27) and fixedly connected to the sliding block (25).

2. The device for monitoring slope displacement during pile foundation excavation according to claim 1 is characterized in that: A vertical threaded tube (29) is fixedly connected to the inner bottom surface of the transmission cavity (3), a magnetic block (30) is fixedly connected to the upper end of the vertical threaded tube (29), a permanent magnet block (31) having the same polarity as the magnetic block (30) and repelling each other is fixedly connected to the lower end of the rack (28), and the vertical threaded tube (29) is in communication with the internal spaces of both the first threaded tube (16) and the second threaded tube (18).

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