An automatic lifting system for a sliding inclinometer

Abstract

The present invention discloses an automatic lifting system for a sliding inclinometer, comprising: an inclinometer tube, and an automatic lifting assembly including a steering tube, an inclinometer probe, a cable, a fixed pulley, a winding disc, a servo motor and a stepping motor; the lower end of the steering tube is aligned with the upper end of the inclinometer tube and the central axes of the steering tube and the inclinometer tube coincide; the inclinometer probe is placed inside the steering tube, the upper end of the inclinometer probe is connected to one end of the cable, the other end of the cable sequentially bypasses the fixed pulley and the winding disc and then is connected to the servo motor, and the servo motor drives the winding disc to rotate so as to drive the cable to lift the inclinometer probe; the controller controls the servo motor to drive the winding disc to rotate forward and backward to realize the lifting of the cable; the controller controls the stepping motor to drive the transmission belt to drive the steering tube to rotate 180°. The present invention meets the requirements of the geotechnical exploration field for the automatic lifting, automatic steering and automatic acquisition of the inclinometer tube, reduces the labor intensity of workers, accurately acquires inclinometer data, and improves the inclinometer work efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of geotechnical exploration, and particularly relates to an automatic lifting system for a sliding inclinometer. Background Art

[0002] During the construction process of buildings, the detection of the horizontal displacement of foundation pits plays an extremely important role. It can effectively avoid problems such as sudden cracking, settlement and inclination of foundation pits, and ensure the safety of buildings, construction workers, etc. Inclinometers are widely used in the deformation monitoring of the internal horizontal displacement of soil caused by building foundation pits, underground construction projects, etc. Among many types of inclinometers, the sliding inclinometer is one of the effective means for monitoring the deep horizontal deformation of objects and is widely used.

[0003] At present, the sliding inclinometer adopts the traditional forward and reverse measurement method: the inclinometer tube is buried in advance. During measurement, first lower the inclinometer probe from the upper end of the inclinometer tube opening (the pulley on the higher side faces the foundation pit direction), and then lift the probe from bottom to top. During the lifting process, measurements are taken at specified measurement intervals. For every lift of one measurement interval (0.5 meters), record the inclination displacement once. Accumulate the inclination displacements of all depth segments and perform corresponding data processing to complete the measurement, that is, obtain the total deep displacement of the inclinometer tube. After the normal measurement is completed, take out the inclinometer probe and rotate it 180°, and then repeat the above operations for reverse measurement.

[0004] During the process of detecting the horizontal displacement at the construction site of the foundation pit, the method of manual sequential measurement and recording is usually adopted. The above-mentioned manual measurement and recording method has the following defects: First, there are measurement data deviations caused by human judgment errors; second, due to factors such as reverse measurement and a large number of measurement points, the labor intensity of workers is high and the labor cost is large; third, the monitoring time is limited, especially during thunderstorms, typhoons, and plum rain seasons, and manual monitoring is very difficult. Up to now, there has not been a relatively convenient system that can help the sliding inclinometer tube to be automatically lifted for measurement and turn around for reverse measurement.

[0005] Therefore, developing an automatic lifting system for a sliding inclinometer, which can not only meet the requirements of automatic lifting, automatic turning, and automatic collection of the inclinometer tube, but also reduce the labor intensity of workers and accurately collect inclinometer data, is an urgent problem to be solved in the field of geotechnical engineering exploration. Summary of the Invention

[0006] To solve the above technical problems existing in the prior art, the present invention provides an automatic lifting system for a sliding inclinometer. The present invention meets the requirements of the geotechnical exploration field for automatic lifting, automatic turning, and automatic collection of the inclinometer tube, greatly reduces the labor intensity of workers, accurately collects inclinometer data, and improves the inclinometer work efficiency.

[0007] The technical solution adopted by the present invention is:

[0008] An automatic lifting system for a sliding inclinometer, characterized in that it includes:

[0009] An inclinometer tube, which is a hollow tubular structure, with its lower end embedded in the side wall of the foundation pit and its upper end extending outside the foundation pit;

[0010] An automatic lifting component, including a steering tube, an inclinometer probe, a cable, a fixed pulley, a winding disc, a servo motor and a stepping motor; the lower end of the steering tube is aligned with the upper end of the inclinometer tube and the central axes of the steering tube and the inclinometer tube coincide; the inclinometer probe is placed inside the steering tube, the upper end of the inclinometer probe is connected to one end of the cable, and the other end of the cable sequentially bypasses the fixed pulley and the winding disc and then is connected to the servo motor. The servo motor drives the winding disc to rotate, thereby driving the cable to lift the inclinometer probe; the fixed pulley is fixedly arranged above the steering tube; a driving wheel is coaxially fixed on the output shaft of the stepping motor, and a transmission belt is sleeved between the driving wheel and the steering tube. One end of the transmission belt is matched with the outer wall of the steering tube, and the other end is matched with the driving wheel. The stepping motor drives the transmission belt to rotate, thereby driving the steering tube to rotate 180°;

[0011] A controller, which is electrically connected to the servo motor and the stepping motor respectively. The controller controls the servo motor to drive the winding disc to rotate forward and backward to realize the lifting of the cable; the controller controls the stepping motor to drive the transmission belt to drive the steering tube to rotate 180°;

[0012] And a fixed frame, which is located above the inclinometer tube; the automatic lifting component and the controller are installed inside the fixed frame.

[0013] Further, it also includes a limit bayonet component installed at the bottom of the fixed frame. The limit bayonet component is a ring, and the inner side of the ring has the same shape as the inner sides of the inclinometer tube and the steering tube; four guide grooves are equally spaced in the circumferential direction on the inner side of the ring, and the four guide grooves are in pairs. The four guide grooves cooperate with the four guide grooves in the steering tube and the inclinometer tube to form a complete channel; springs and lock beads are arranged in two opposite guide grooves in the front and back directions perpendicular to the 180° direction of the two guide wheels on the inclinometer probe. The two ends of the spring are respectively fixed to the guide groove and the lock bead, and the lock bead moves up and down with the contraction of the spring to realize the alignment of the limit bayonet component and the inclinometer tube.

[0014] Further, bearings are respectively arranged at the upper and lower parts of the steering tube. The outer ring of the upper bearing is fixed at the center of the partition inside the fixed frame; the outer ring of the lower bearing is fixed above the ring.

[0015] Further, a four-leg support for adjusting the length is installed at the bottom of the fixed frame. The upper end of the four-leg support is fixedly connected to the fixed frame; the four-leg support is a cylindrical leg, and the adjustable length is 10 cm.

[0016] Further, the inner diameter of the lock bead is slightly smaller than that of the guide groove, and the lock bead is semi-exposed outside the guide groove.

[0017] Further, the bearing is a ball bearing made of high chromium steel, and the inner diameter of the inner ring is slightly larger than the outer diameter of the steering tube.

[0018] Further, the controller includes a calculation module, a control module, a storage module, a communication module, and a power module that are electrically connected to each other; where:

[0019] The calculation module is electrically connected to the inclinometer probe through a cable. The inclinometer probe transmits the collected displacement information to the calculation module, and the calculation module calculates the displacement information of each monitoring point and transmits it to the storage module; the calculation module sends the calculated data to a computer to generate a displacement deformation diagram within a certain depth range of the foundation pit;

[0020] The control module controls the servo motor to drive the winding disc to rotate forward and backward; the control module controls the stepper motor to drive the transmission belt to drive the steering tube to rotate 180°;

[0021] The storage module stores the displacement deformation information and displacement deformation diagrams of each monitoring point received;

[0022] The communication module is a 4G transmission module, which is respectively communicatively connected to the control module, the storage module, and the control center, and is electrically connected to the power module; the communication module remotely sends the foundation pit displacement data obtained from the storage module to the control center;

[0023] The power module supplies power to the calculation module, the control module, the storage module, the communication module, the servo motor, and the stepper motor.

[0024] Further, a power socket electrically connected to the power module is provided on the outer side of the fixed frame.

[0025] Compared with the prior art, the beneficial effects of the present invention are reflected in:

[0026] 1. Realize instant and continuous tracking measurement, without being affected by external factors;

[0027] 2. The displacement degree of the foundation pit at each position can be obtained through the monitoring data of the inclinometer probe, reducing uncertain factors such as measurement data errors and human manipulation of data, and improving the measurement accuracy;

[0028] 3. There is no need to measure on-site, improving the measurement efficiency and reducing the labor cost; the entire measurement record, storage, calculation and other work are automated, avoiding errors in manual recording, copying and calculation. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of the automatic lifting system of the sliding inclinometer provided by the present invention;

[0030] Figure 2 It is a sectional view and bottom plan view of the limit bayonet assembly in the present invention;

[0031] Figure 3 It is a framework diagram of the controller system of the present invention.

[0032] In the figure: 1. Automatic lifting assembly; 11. Steering pipe; 12. Inclinometer probe; 13. Cable rope; 14. Fixed pulley; 15. Winding disc; 16. Servo motor; 17. Stepper motor; 18. Transmission belt; 19. Driving wheel; 110. Bearing; 111. Partition; 2. Limit bayonet assembly; 21. Lock bead; 22. Spring; 23. Guide groove; 3. Controller; 31. Calculation module; 32. Control module; 33. Storage module; 34. Power supply module; 35. Communication module; 4. Inclinometer tube; 5. Fixed frame; 51. Cuboid steel frame; 52. Four-leg support. Specific embodiments

[0033] The following will describe in detail the specific embodiments of the embodiments of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention.

[0034] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0035] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with exemplary embodiments.

[0036] Referring to Figure 1 、 Figure 2 and Figure 3 , an automatic lifting system of a sliding inclinometer of the present invention includes:

[0037] An inclinometer tube 4, which is a hollow tubular structure, the lower end is embedded in the side wall of the foundation pit, and the upper end extends out of the foundation pit;

[0038] The automatic lifting component 1 includes a steering pipe 11, an inclinometer probe 12, a cable 13, a fixed pulley 14, a winding disc 15, a servo motor 16, and a stepping motor 17; the lower end of the steering pipe 11 is aligned with the upper end of the inclinometer pipe 4 and the central axes of the steering pipe 11 and the inclinometer pipe 4 coincide; the inclinometer probe 12 is placed inside the steering pipe 11, the upper end of the inclinometer probe 12 is connected to one end of the cable 13, and the other end of the cable 13 sequentially passes around the fixed pulley 14 and the winding disc 15 and then is connected to the servo motor 16. The servo motor 16 drives the winding disc 15 to rotate, thereby driving the cable 13 to lift the inclinometer probe 12; the fixed pulley 14 is fixedly arranged above the steering pipe 11; a driving wheel 19 is coaxially fixed on the output shaft of the stepping motor 17, a transmission belt 18 is sleeved between the driving wheel 19 and the steering pipe 11, one end of the transmission belt 18 is matched with the outer wall of the steering pipe 11, and the other end is matched with the driving wheel 19. The stepping motor 17 drives the transmission belt 18 to rotate, thereby driving the steering pipe 11 to rotate 180°;

[0039] The controller 3 is electrically connected to the servo motor 16 and the stepping motor 17 respectively. The controller 3 controls the servo motor 16 to drive the winding disc 15 to rotate forward and backward to realize the lifting of the cable 13; the controller 3 controls the stepping motor 17 to drive the transmission belt 18 to drive the steering pipe 11 to rotate 180°;

[0040] And a fixed frame 5 is located above the inclinometer pipe 4; the automatic lifting component 1 and the controller 3 are installed inside the fixed frame 5.

[0041] In one embodiment, it further includes a limit bayonet component 2 installed at the bottom of the fixed frame 5. The limit bayonet component 2 is a ring, and the inner side of the ring has the same shape as the inner sides of the inclinometer pipe 4 and the steering pipe 11; four guide grooves 23 are equally spaced in the circumferential direction on the inner side of the ring, and the four guide grooves 23 are in pairs. The four guide grooves 23 cooperate with the four guide grooves in the steering pipe 11 and the inclinometer pipe 4 to form a complete channel, so that the steering pipe 11 and the inclinometer pipe 4 are smoothly connected, and the inclinometer probe 12 can smoothly move up and down for forward and reverse measurement without obstruction. Springs 22 and lock beads 21 are arranged in two of the four guide grooves 23 that are opposite to each other in the front and back directions perpendicular to the 180° direction of the two guide wheels on the inclinometer probe 12. The two ends of the spring 22 are respectively fixed to the guide groove 23 and the lock bead 21. The lock bead 21 moves up and down with the contraction of the spring 22 to realize the alignment of the limit bayonet component 2 and the inclinometer pipe 4.

[0042] In one embodiment, upper and lower bearings 110 are respectively provided on the upper and lower parts of the steering pipe 11. The outer ring of the upper bearing is fixed at the center of the partition 111 inside the fixed frame 5; the outer ring of the lower bearing is fixed above the ring, so that the outer ring of the bearing 110 is fixed and plays a supporting role.

[0043] In one embodiment, the fixed frame 5 is a cuboid steel frame 51, and a four-leg support 52 with adjustable length is installed at the bottom. The upper end of the four-leg support 52 is fixedly connected to the fixed frame 5; the four-leg support 52 is a cylindrical leg, and the adjustable length is 10 cm.

[0044] In one embodiment, the lock bead 21 is made of glass, and its inner diameter is slightly smaller than that of the guide groove 23, and it is half-exposed outside the guide groove 23. Specifically, align the limit bayonet assembly 2 with the inclinometer tube 4, and slightly rotate the cuboid steel frame 51 left and right to drive the limit bayonet assembly 2 to rotate. When not aligned, the lock bead 21 is squeezed by the inclinometer tube 4 and enters the guide groove 23; when hearing a click sound, the limit bayonet device 2 is aligned with the guide groove in the inclinometer tube 4, and half of the lock bead 21 is inside the limit bayonet assembly and half is inside the guide groove of the inclinometer tube 4, and the alignment is completed.

[0045] In one embodiment, the bearing 110 is a ball bearing, made of high chromium steel, and the inner diameter of the inner ring is slightly larger than the outer diameter of the steering tube 11. The two bearings 110 are driven by the transmission belt and cooperate with the steering tube 11 to rotate. One is to play a supporting role; the other is to firmly embed the steering tube 11 in it without relative rotation and not to deviate during the automatic lifting and the rotation of the steering tube 11.

[0046] In one embodiment, the controller 3 includes a calculation module 31, a control module 32, a storage module 33, a communication module 35 and a power module 34 that are electrically connected to each other; where:

[0047] The calculation module 31 is electrically connected to the inclinometer probe 4 through a cable 13. The inclinometer probe 4 transmits the collected displacement information to the calculation module 31. The calculation module 31 calculates the displacement information of each monitoring point and transmits it to the storage module 33; the calculation module 31 sends the calculated data to a computer to generate a displacement deformation diagram within a certain depth range of the foundation pit;

[0048] The control module 32 controls the servo motor 16 to drive the winding disc 15 to rotate forward and backward; the control module 32 controls the stepper motor 17 to drive the transmission belt 18 to drive the steering tube 11 to rotate 180°;

[0049] The storage module 33 stores the displacement deformation information and displacement deformation diagram of each monitoring point received, and can timely judge whether the displacement deformation of the foundation pit exceeds the limit value;

[0050] The communication module 35 is a 4G transmission module, which is respectively connected to the control module 32, the storage module 33 and the control center for communication, and is electrically connected to the power module 34; the communication module 35 remotely sends the foundation pit displacement data obtained from the storage module to the control center for the staff to obtain real-time data;

[0051] The power supply module 34 supplies power to the computing module 31, the control module 32, the storage module 33, the communication module 35, the servo motor 16, and the stepper motor 17.

[0052] In one embodiment, a power socket electrically connected to the power supply module 34 is provided on the outer side of the fixed frame 5.

[0053] In the present invention, the steering tube 11 has the same shape and material as the inclinometer tube 4, and their central axes coincide. The limiting bayonet assembly 2 is made of high chromium steel and has a shape of a ring with the same outer diameter as the bearing. The inner side thereof is consistent with the inner sides of the inclinometer tube 4 and the steering tube 11, and all have four guide grooves 23.

[0054] In the automatic lifting system of the sliding inclinometer provided by the present invention, instant and continuous tracking measurement can be achieved without being affected by external factors; the displacement degree of the foundation pit at each position can be obtained through the monitoring data of the displacement sensor, reducing uncertain factors such as measurement data errors and manual manipulation of data, and improving the measurement accuracy; on-site measurement is not required, improving the measurement efficiency and reducing the labor cost; the entire measurement recording, storage, calculation and other operations are automated, avoiding errors in manual recording, copying and calculation.

[0055] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0056] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0057] In the present invention, unless otherwise clearly specified or limited, terms such as "installed", "connected", "linked", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication between two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] In the present invention, unless otherwise clearly specified or limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0059] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0060] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. An automatic lifting system for a sliding inclinometer, characterized in that, Comprising: An inclinometer tube, a hollow tubular structure, with the lower end embedded in the side wall of the foundation pit and the upper end extending outside the foundation pit; An automatic lifting assembly, including a steering tube, an inclinometer probe, a cable, a fixed pulley, a winding disc, a servo motor, and a stepping motor; the lower end of the steering tube is aligned with the upper end of the inclinometer tube and the central axes of the steering tube and the inclinometer tube coincide; the inclinometer probe is placed inside the steering tube, the upper end of the inclinometer probe is connected to one end of the cable, and the other end of the cable sequentially passes around the fixed pulley and the winding disc and then is connected to the servo motor. The servo motor drives the winding disc to rotate, thereby driving the cable to lift the inclinometer probe; the fixed pulley is fixedly arranged above the steering tube; a driving wheel is coaxially fixed on the output shaft of the stepping motor, a transmission belt is sleeved between the driving wheel and the steering tube, one end of the transmission belt is matched with the outer wall of the steering tube, and the other end is matched with the driving wheel. The stepping motor drives the transmission belt to rotate, thereby driving the steering tube to rotate 180°; A controller, electrically connected to the servo motor and the stepping motor respectively. The controller controls the servo motor to drive the winding disc to rotate forward and backward to realize the lifting of the cable; the controller controls the stepping motor to drive the transmission belt to drive the steering tube to rotate 180°; And a fixed frame, located above the inclinometer tube; the automatic lifting assembly and the controller are installed inside the fixed frame; It further includes a limit bayonet assembly installed at the bottom of the fixed frame. The limit bayonet assembly is a ring, and the inner side of the ring has the same shape as the inner sides of the inclinometer tube and the steering tube; four guide grooves are equally spaced in the circumferential direction on the inner side of the ring, and the four guide grooves are opposite to each other in pairs. The four guide grooves cooperate with the four guide grooves in the steering tube and the inclinometer tube to form a complete channel; springs and lock beads are arranged in two opposite guide grooves in the front and back directions perpendicular to the 180° direction of the two guide wheels on the inclinometer probe. The two ends of the spring are respectively fixedly connected to the guide groove and the lock bead, and the lock bead moves up and down with the contraction of the spring to realize the alignment of the limit bayonet assembly and the inclinometer tube; Bearings are respectively arranged at the upper and lower parts of the steering tube. The outer ring of the upper bearing is fixed at the center of the partition inside the fixed frame; the outer ring of the lower bearing is fixed above the ring; The bottom of the fixed frame is installed with a four-legged support with adjustable length. The upper end of the four-legged support is fixedly connected to the fixed frame; the four-legged support is a cylindrical leg, and the adjustable length is 10 cm.

2. The automatic lifting system of a sliding inclinometer according to claim 1, characterized in that, The inner diameter of the lock bead is slightly smaller than that of the guide groove, and it is half-exposed outside the guide groove.

3. The automatic lifting system of a sliding inclinometer according to claim 1, characterized in that, The bearing is a ball bearing, made of high chromium steel, and the inner diameter is slightly larger than the outer diameter of the steering tube.

4. The automatic lifting system of a sliding inclinometer according to claim 1, characterized in that, The controller includes a calculation module, a control module, a storage module, a communication module, and a power module that are electrically connected to each other; among them: The calculation module is electrically connected to the inclinometer probe through a cable. The inclinometer probe transmits the collected displacement information to the calculation module. The calculation module calculates the displacement information of each monitoring point and transmits it to the storage module; the calculation module sends the calculated data to a computer to generate a displacement deformation diagram within a certain depth range of the foundation pit; The control module controls the servo motor to drive the winding disc to rotate forward and backward; the control module controls the stepper motor to drive the conveyor belt to drive the steering tube to rotate 180°; The storage module stores the displacement and deformation information and displacement and deformation diagrams of each monitoring point received; The communication module is a 4G transmission module, which is respectively communicatively connected to the control module, the storage module and the control center, and is electrically connected to the power supply module; the communication module remotely sends the foundation pit displacement data obtained in the storage module to the control center; The power supply module supplies power to the calculation module, the control module, the storage module, the communication module, the servo motor and the stepper motor.

5. The automatic lifting system of a sliding inclinometer according to claim 4, characterized in that, A power socket electrically connected to the power supply module is provided on the outer side of the fixed frame.

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