Target object lifting height automatic monitoring device

Abstract

The application discloses a target lifting height automatic monitoring device, which comprises a traction rope, a position counting ring, an electrical contact group and a potential change counter. The traction rope is used for traction of the target. N position counting rings are arranged on the traction rope, and N>3. The position counting rings are arranged along the axial direction of the traction rope. Two adjacent position counting rings are arranged at intervals. The electrical contact group comprises two electrical contacts. The two electrical contacts are located on the two sides of the traction rope. The two electrical contacts are in contact with the same position counting ring on the traction rope or directly in contact with the position not provided with the position counting ring on the traction rope. One of the traction rope and the position counting ring is an insulator, and the other is a conductor. The traction rope can freely slide up and down between the two electrical contacts and is always in contact with the two electrical contacts. The application can realize real-time automatic monitoring of the lifting height of the target, and improves the monitoring accuracy, operation efficiency and convenience.

Description

Technical Field

[0001] This invention relates to the field of height monitoring technology, specifically an automatic monitoring device for the lifting height of a target object. Background Technology

[0002] In the field of civil engineering, it is often necessary to lift objects or structural components, such as lifting construction materials or, for example, lifting the ultrasonic probe during the inspection of pile integrity. During these lifting operations, it may be necessary to monitor the height of the object being lifted in real time. For instance, in the process of using an ultrasonic probe to inspect pile integrity, it is necessary to accurately measure the height of the ultrasonic probe at each transmission and reception of sound waves.

[0003] To monitor the current height of an object during lifting, one common method in existing technology is using a roller-type depth encoder. The basic principle is to support the ultrasonic probe cable on a roller. As the ultrasonic probe is lifted during drilling, the roller rotates along with the cable. The lifting height of the ultrasonic probe is calculated by measuring the number of rotations of the roller; that is, each rotation of the roller reflects the lifting height of the cable. This method is simple in principle, but the on-site operation is cumbersome, and if relative slippage occurs between the cable and the roller, it may lead to errors in the travel data. Another common method in existing technology is to use a hydraulic lifter to lift the target object, thereby monitoring the lifting height of each lifting point in real time. However, lifting the target object using a hydraulic lifter often requires the use of other equipment such as a total station. The total station often requires manual operation, resulting in low efficiency in height monitoring. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide an automatic monitoring device for the lifting height of a target object, which can solve the problems described in the background art.

[0005] The technical solution to achieve the objective of this invention is as follows: an automatic monitoring device for the lifting height of a target object, comprising a traction rope, a counting ring, an electrical contact group, and a potential change counter, wherein the traction rope is used to pull the target object.

[0006] The traction rope is equipped with N counting rings, where N > 3. The counting rings are distributed along the axial direction of the traction rope, and adjacent counting rings are spaced apart.

[0007] The electrical contact assembly includes two electrical contacts located on opposite sides of the traction rope. These two contacts are in contact with the same position-counting loop on the traction rope or directly in contact with a position on the traction rope other than the position-counting loop.

[0008] Of the two components, the traction rope and the counting ring, one is an insulator and the other is a conductor.

[0009] The traction rope can slide freely up and down between the two electrical contacts. During the up and down sliding process, the traction rope or the position counting loop on the traction rope is always in contact with the two electrical contacts, so that when the traction rope carrying the position counting loop is lifted up between the two electrical contacts, the potential between the two electrical contacts changes.

[0010] Furthermore, the counting ring is fixedly fitted onto the traction rope.

[0011] Furthermore, the two electrical contacts are horizontally positioned and at the same height.

[0012] Furthermore, the locating ring can be a ring structure or a non-ring structure, and when the locating ring is a conductor, the two electrical contacts can be electrically connected at the two contact positions of the locating ring.

[0013] Furthermore, the end of the electrical contact that contacts the traction rope or the counting ring is shorter than the length of the counting ring along the axial direction of the traction rope, and also shorter than the interval between two adjacent counting rings, so that the electrical contact can only contact the position of the counting ring or the position of the non-counting ring on the traction rope, thereby prohibiting simultaneous contact with the positions of the counting ring and the non-counting ring on the traction rope.

[0014] Furthermore, the end of the electrical contact near the traction rope or the counting ring is round or flat.

[0015] Furthermore, the various counting rings are distributed at equal intervals on the traction rope.

[0016] Furthermore, it also includes a traction power device connection, with one end of the traction rope connected to the target object and the other end connected to an external or integrated traction power device in the monitoring device.

[0017] Furthermore, it also includes a bracket and a guide wheel. The traction rope is wound around the guide wheel and one end of the traction rope extending from the guide wheel is connected to the traction power device. The other end of the traction rope passes through the bracket and is connected to the target object. An electrical contact assembly is installed on the bracket and contacts and connects with the part of the traction rope passing through the bracket.

[0018] The beneficial effects of this invention are as follows: This invention can automatically monitor the lifting height of a target object in real time, which improves the accuracy of monitoring, operational efficiency and convenience. Compared with complex structures or equipment, it has a simpler structure and lower cost, thus providing a convenient and reliable automatic lifting height monitoring solution for civil engineering or other industries. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention;

[0020] Figure 2 This is a schematic diagram illustrating the state of the present invention when applied to a scenario involving lifting a target object;

[0021] Figure 3 This is a three-dimensional structural diagram of some components of the present invention;

[0022] Figure 4 This is a circuit schematic for counting the number of potential changes in an electrical contact group using an Arduino development board.

[0023] In the diagram, 1 - electrical contact group, 2 - traction rope, 21 - position counting ring, 3 - potential change counter, 4 - target object, 5 - traction power device, 6 - bracket, 7 - guide wheel. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0025] like Figures 1-4 As shown, an automatic monitoring device for the lifting height of a target object 4 includes a traction rope 2, a counting ring 21, an electrical contact group 1, and a potential change counter 3. The traction rope 2 is used to pull the target object 4 to lift it. One end of the traction rope 2 is connected to the target object 4, and the other end is connected to an external or integrated traction power device 5. That is, the traction power device 5 is integrated into the monitoring device and becomes a component of the monitoring device, or it is a separate independent component from the monitoring device. In other words, an external traction power device 5 is used to lift the target object 4 by winding the traction rope 2. The traction power device 5 can be a winch, a motor, or other power device that can wind the traction rope 2.

[0026] The traction rope 2 is provided with N counting rings 21, where N > 3. The counting rings 21 are distributed along the axial direction (i.e., the length direction) of the traction rope 2, and adjacent counting rings 21 are spaced apart. The counting rings 21 are fixedly sleeved on the traction rope 2.

[0027] The electrical contact assembly 1 includes two electrical contacts located on either side of the traction rope 2, i.e., beside the traction rope. The two contacts are positioned opposite each other, horizontally, and at the same height, meaning their horizontal projections onto the traction rope 2 coincide. The two electrical contacts are in contact with the same counting loop 21 on the traction rope 2, or directly in contact with a position on the traction rope 2 where no counting loop 21 is located. For example, the two electrical contacts may contact both sides of a specific counting loop 21a on the traction rope 2, or they may contact a position above the counting loop 21a on the traction rope 2, i.e., directly contacting a position on the traction rope 2 where no counting loop 21 is located, and are situated on either side of the traction rope 2.

[0028] Of the two components, the traction rope 2 and the counting ring 21, one is an insulator and the other is a conductor. Therefore, the traction rope 2 can be made of a conductive material (e.g., a steel wire rope or other metal-supported cable) and the counting ring 21 can be made of an insulator (e.g., a non-conductive material such as plastic). Alternatively, the traction rope 2 can be an insulator (e.g., a cable made of hemp rope or other non-conductive fibers) and the counting ring 21 can be made of a conductive material.

[0029] The locating ring 21 can be a ring structure (e.g., a standard circle) or a non-ring structure (e.g., a semi-ring). As long as the locating ring 21 is a conductor, the two electrical contacts can be electrically connected at the two contact positions of the locating ring 21.

[0030] The traction rope 2 can slide freely up and down between the two electrical contacts, thereby allowing the traction rope 2 to be wound up. During the up and down sliding process, the traction rope 2 or the counting ring 21 on the traction rope 2 can always be in contact with the two electrical contacts. That is, the contact between the electrical contacts and the counting ring 21 on the traction rope 2 or the position on the traction rope 2 where the counting ring 21 is not located is a sliding contact.

[0031] Since the conductivity of the counting ring 21 and the traction rope 2 are exactly opposite, when the traction rope 2 lifts the counting ring 21 upward between the two electrical contacts (i.e., lifts the target object 4), the potential between the two electrical contacts changes, from a high potential to a low potential (i.e., the potential is 0) or from a low potential to a high potential. When the electrical contact group 1 moves from the currently contacting counting ring 21 through the interval between two adjacent counting rings 21 to the next counting ring 21, the potential change is a complete potential change cycle. Therefore, the total number of intervals between two adjacent counting rings 21 can be reflected by counting the number of potential changes. The total distance reflected by summing the total number of intervals between two adjacent counting rings 21 can be used to obtain the lifting stroke of the traction rope 2, which is the lifting height of the target object 4. Thus, the lifting height of the target object 4 can be calculated in real time and automatically without manual operation.

[0032] The end of the electrical contact that contacts the traction rope 2 or the counting ring 21 is shorter than the length of the counting ring 21 along the axial direction of the traction rope 2, and also shorter than the interval between two adjacent counting rings 21, so that the electrical contact can only contact the counting ring 21 or the position on the traction rope 2 where the counting ring 21 is not located, and cannot contact the counting ring 21 and the position on the traction rope 2 where the counting ring 21 is not located at the same time.

[0033] The end of the electrical contact near the traction rope 2 or the counting ring 21 is round or flat.

[0034] The potential change counter 3 is electrically connected to the electrical contact group 1. The potential change counter 3 is used to count the number of potential changes generated by the electrical contact group 1 during the lifting process of the traction rope 2 up to the current moment, and to calculate the lifting height based on the number of potential changes.

[0035] Assuming that the counting rings 21 are evenly distributed on the traction rope 2 such that the distance between any two adjacent counting rings 21 is the same, and the distance between any two adjacent counting rings 21 is denoted as d0, the initial height of the target object 4 is h0, and the number of potential changes generated by the electrical contact group 1 up to the current moment is N, then the current lifting height h can be calculated using the following formula:

[0036] h = h0 + N * d0

[0037] This means that the lifting height can be calculated at any time, thus enabling real-time calculation of the lifting height without the need for manual operation, making it more efficient.

[0038] The potential change counter 3 can be designed independently based on existing technology or a commercially available product can be purchased directly. For example, refer to... Figure 4 , Figure 4 This is a circuit schematic for counting the number of potential changes in electrical contact group 1 using an Arduino development board. Figure 4 The "counter" in the code refers to the potential change counter 3, which is implemented using an Arduino development board. The two electrical contacts are connected to the digital signal pin (pin 2 in this example) and the GND (ground) pin of the Arduino development board, respectively. The core code is then programmed into the Arduino development board as follows:

[0039]

[0040]

[0041]

[0042] Set pins 2, 6, and 10 to input mode and enable internal pull-up resistors; the default state is high. First, check if the state of pin 10 has changed. If there is no change, continue monitoring. If a change occurs, reset the distance data to zero. Pin 10 is connected to GND via a separate switch. When the switch is open, pin 10 is high; when the switch is closed, it is low.

[0043] Secondly, it is determined whether the counting ring 21 passes through the electrical contacts. When the counting ring 21 passes through the two electrical contacts, pin 2 is connected to GND (ground) through the conduction of the two electrical contacts and the counting ring 21. That is, pin 2 changes from high level to low level. At this time, the lifting or lowering distance will change by the interval d of the counting ring 21. Finally, the lifting or lowering distance is output through serial communication.

[0044] Finally, pin 6 is connected to GND via a separate switch to determine the state of pin 6. If pin 6 is at a high level, it is considered that the tractor is in the lifting state (i.e., the switch is open), and the distance increases by d; if pin 6 is at a low level, it is considered that the tractor is in the lowering state (the switch is closed), and the distance decreases by d.

[0045] In an optional embodiment, the device further includes a bracket 6 and a guide wheel 7. The traction rope 2 is wound around the guide wheel 7 and one end of the traction rope 2 extending from the guide wheel 7 is connected to the traction power device 5. The other end of the traction rope 2 passes through the bracket 6 and is connected to the target object 4. The electrical contact assembly 1 is mounted on the bracket 6 and contacts and connects with the portion of the traction rope 2 that passes through the bracket 6.

[0046] This invention can automatically monitor the lifting height of target object 4 in real time, improving the accuracy of monitoring, operational efficiency, and convenience. Compared with complex structures or equipment, it has a simpler structure and lower cost, thus providing a convenient and reliable automatic lifting height monitoring solution for civil engineering or other industries.

[0047] The embodiments disclosed in this specification are merely illustrative of one aspect of the invention, and the scope of protection of the invention is not limited to these embodiments. Any other functionally equivalent embodiments fall within the scope of protection of the invention. Those skilled in the art can make various other corresponding changes and modifications based on the technical solutions and concepts described above, and all such changes and modifications should fall within the scope of protection of the claims of this invention.

Claims

1. An automatic monitoring device for the lifting height of a target object, characterized in that, It includes a traction rope, a position counting ring, an electrical contact assembly, and a potential change counter. The traction rope is used to pull the target object. The traction rope is equipped with N counting rings, where N > 3. The counting rings are distributed along the axial direction of the traction rope, and adjacent counting rings are spaced apart. The electrical contact assembly includes two electrical contacts located on opposite sides of the traction rope. These two contacts are in contact with the same position-counting loop on the traction rope or are in direct contact with a position on the traction rope other than the position-counting loop. Of the two components, the traction rope and the counting ring, one is an insulator and the other is a conductor. The traction rope can slide freely up and down between the two electrical contacts. During the up and down sliding process, the traction rope or the position counting loop on the traction rope is always in contact with the two electrical contacts, so that when the traction rope carrying the position counting loop is lifted up between the two electrical contacts, the potential between the two electrical contacts changes.

2. The automatic target lifting height monitoring device according to claim 1, characterized in that, The counting ring is fixedly fitted onto the traction rope.

3. The automatic target lifting height monitoring device according to claim 1, characterized in that, The two electrical contacts are set horizontally and at the same height.

4. The automatic target lifting height monitoring device according to claim 1, characterized in that, The locating ring can be a ring structure or a non-ring structure, and when the locating ring is a conductor, the two electrical contacts can be electrically connected at the two contact positions of the locating ring.

5. The automatic target lifting height monitoring device according to claim 1, characterized in that, The end of the electrical contact that contacts the traction rope or the counting ring is shorter than the length of the counting ring along the axial direction of the traction rope and also shorter than the distance between two adjacent counting rings, so that the electrical contact can only contact the position of the counting ring or the position of the non-counting ring on the traction rope, thereby prohibiting simultaneous contact with the position of the counting ring and the position of the non-counting ring on the traction rope.

6. The automatic target lifting height monitoring device according to claim 1, characterized in that, The end of the electrical contact near the traction rope or the counting ring is round or flat.

7. The automatic target lifting height monitoring device according to claim 1, characterized in that, The counting rings are evenly spaced on the traction rope.

8. The automatic target lifting height monitoring device according to claim 1, characterized in that, It also includes a traction power device connection, with one end of the traction rope connected to the target object and the other end connected to an external or integrated traction power device in the monitoring device.

9. The automatic target lifting height monitoring device according to claim 8, characterized in that, It also includes a bracket and a guide wheel. The traction rope is wound around the guide wheel and one end of the traction rope extending from the guide wheel is connected to the traction power device. The other end of the traction rope passes through the bracket and is connected to the target object. The electrical contact group is installed on the bracket and contacts and connects with the part of the traction rope passing through the bracket.

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