A tower crane deformation monitoring device and monitoring method

Abstract

The present invention belongs to the technical field of tower crane equipment, and in particular, to a tower crane deformation monitoring device and monitoring method, comprising a tower crane for hoisting profiles, wherein the surface of the tower crane is provided with a hoisting steel rope, the outer surfaces of both sides of the tower crane are provided with a buffer mechanism, the outer surfaces of the hoisting steel rope are provided with a limit mechanism, and the outer surface of the tower crane is provided with an alarm mechanism. In the tower crane deformation monitoring device and monitoring method, when the impact force causes the buffer rod to compress inward, it squeezes the support spring, thereby pushing the connecting sleeves at both ends of the support slide rod to move relative to each other under the hinge of the linkage rod, and then crimping the buffer springs at both ends. The free ends of the crimped buffer springs squeeze the deformation ring of the piezoresistive pressure sensor, and as the pressure on the buffer rod increases, the resistance sleeve slides on the outer surface of the support slide rod and contacts and squeezes the deformation ring, thereby completing the tower body buffering and early warning.

Description

Technical Field

[0001] The present invention relates to the technical field of tower crane equipment, and in particular to a tower crane deformation monitoring device and a monitoring method. Background Art

[0002] Construction tower cranes are widely used on construction sites and in modern prefabricated building construction due to their long boom length, high tower height, heavy lifting capacity, full range of reach, and high operational efficiency. However, the high density of construction tower cranes deployed in clusters within confined construction sites, their high-intensity operations, heavy loads, and comprehensive lifting operations make them prone to accidents. To meet the safety requirements of construction tower crane hoisting operations, tower crane status safety monitoring and early warning have become a key means of ensuring reliable operation and a research hotspot in recent years, placing higher demands on the safety of tower crane operations.

[0003] The patent application published on the China Patent Online with the publication number CN113983920A discloses a tower crane deformation monitoring method and device. By applying the high-precision positioning technology of GNSS, the top position of the tower crane is dynamically monitored in time and space in real time. Through the real-time collection, analysis and calculation of the top position change information, the structural capacity verification and safety status evaluation are carried out. When the conditions exceed the preset value, early warning and control are carried out to avoid the dangers related to the structural performance, thereby improving the safety performance of the tower crane and enhancing the level of intelligent safety management of the tower crane.

[0004] However, the above scheme only monitors the position changes of the top of the tower body, but fails to synchronously monitor the lifting ropes, resulting in the collision and shaking of the steel ropes, causing the profiles on the steel ropes to fall off or the tower body to be damaged. At the same time, how to achieve buffering during collision to prevent the tower body from being unable to perform the designated release in time when it is hit. Therefore, the present invention solves the shortcomings of the above technical problems. Summary of the Invention

[0005] Based on the technical problems that the existing tower crane deformation monitoring device fails to synchronously monitor the hoisting ropes and fails to buffer the colliding tower body, causing damage to the tower body, the present invention proposes a tower crane deformation monitoring device and monitoring method.

[0006] The present invention proposes a deformation monitoring device for a tower crane, which includes a tower crane for lifting profiles. A rotating assembly for driving the tower crane to rotate at a uniform speed to transport the profiles is installed on the lower surface of the tower crane. The rotating assembly includes a rotating motor and a connecting block for connection and support. A tower base for supporting the tower crane is installed on the lower surface of the rotating assembly. The surface of the tower crane is provided with lifting steel ropes, and buffer mechanisms are provided on the outer surfaces of both sides of the tower crane. A limiting mechanism is provided on the outer surface of the lifting steel rope, and an alarm mechanism is provided on the outer surface of the tower crane.

[0007] The buffer mechanism performs anti-collision processing on both sides of the tower body when the tower crane swings left and right.

[0008] The limiting mechanism limits the hoisting steel rope during the hoisting process.

[0009] The alarm mechanism performs an alarm process when the tower crane is deformed by impact.

[0010] Preferably, the buffer mechanism comprises mounting plates respectively fixedly mounted on both side surfaces of the tower crane, and a support slide bar with a smooth surface is fixedly connected to one side surface of the mounting plate via a support ear plate.

[0011] Through the above technical solution, the tower crane can lift the profile and rotate the tower crane on the upper surface of the tower base through the rotating assembly. Therefore, in order to avoid the tower crane from colliding during the rotation process and causing deformation to cause accidents, buffer mechanisms are set on both sides of the tower crane to cushion the movement and collision of the tower crane, and monitor the impact force. The support slide rod is used to connect and install the buffer mechanism.

[0012] Preferably, the buffer mechanism further comprises a support spring mounted on the outer surface of the support ear plate at both ends of the support slide bar, and a buffer rod for buffering is fixedly connected to the free end of the support spring.

[0013] Through the above technical solution, in order to avoid the tower crane from colliding, the buffer rod connected to the support spring is used to buffer when the tower crane collides, thereby preventing the tower crane body from being damaged due to the collision.

[0014] Preferably, the buffer mechanism also includes a piezoresistive pressure sensor fixedly installed on the outer surface of the middle part of the support slide bar in a relatively distributed manner, a deformation ring is provided on the surface of the piezoresistive pressure sensor, and the outer surfaces of both ends of the support slide bar are symmetrically distributed and slidingly sleeved with connecting sleeves, and one side surface of the connecting sleeve is fixedly connected to a resistance sleeve that is movably sleeved on the outer surface of the support slide bar, and the outer surface of the connecting sleeve is fixedly connected to a buffer spring, and the free end of the buffer spring is fixedly connected to the outer surface of the deformation ring.

[0015] Through the above technical solution, the connecting sleeves at both ends of the supporting slide move relative to each other on their outer surfaces. In order to monitor the deformation of the tower crane when it is hit, the impact force causes the connecting sleeve to slide on the outer surface of the supporting slide and compress the buffer spring, so that the free end of the buffer spring squeezes the deformation ring of the piezoresistive pressure sensor. When the deformation ring is subjected to pressure and the resistance changes, the Wheatstone bridge in the piezoresistive pressure sensor converts the resistance into a voltage output. The signal is amplified and then sent to the MCU for processing. After proportional calibration, the pressure value is obtained. When the tower crane is subjected to a greater impact force, the sleeve slides on the outer surface of the supporting slide and contacts and squeezes the deformation ring, so that the piezoresistive pressure sensor measures the pressure value and uploads it, and an alarm can be processed for the pressure.

[0016] Preferably, the buffer mechanism further comprises a linkage rod hingedly mounted on an outer surface of one side of the connecting sleeve via a hinge shaft, and an outer surface of one end of the linkage rod is hingedly connected to a side surface of the buffer rod via the hinge shaft.

[0017] Through the above technical solution, in order to respond to the force when the buffer rod is hit, the two ends of the buffer rod are limited on one side surface of the support ear plate by the support spring, and the linkage rod connects the buffer rod with the sliding connecting sleeve. When the buffer rod is hit, the buffer rod compresses the support spring, thereby squeezing the connecting sleeve to move on the support slide rod under the linkage of the linkage rod, and then the buffer spring compresses the deformation ring to complete the monitoring of the impact force and impact degree by the piezoresistive pressure sensor.

[0018] Preferably, the limiting mechanism includes a guide cylinder fixedly mounted on the lower surface of one end of the tower crane, the lifting steel rope passes through the interior of the guide cylinder, and the interior of the guide cylinder is provided with guide blocks in a ring array, the bottom of the guide block is conical, and the outer surface of the lifting steel rope is in sliding contact with the inner surface of the guide block.

[0019] Through the above technical solution, in order to prevent the lifting steel rope from shaking due to external force during the process of lifting profiles, thereby damaging the rotating tower crane and the winding mechanism of the lifting steel rope, the guide cylinder is used to guide and limit the lifting steel rope when it is wound and unwound, and at the same time, the guide blocks in the internal annular array can clamp and guide the lifting steel rope, and the shaking of the lifting steel rope can be monitored.

[0020] Preferably, the limiting mechanism also includes a T-shaped rod rotatably connected to the inner wall of the groove opened on one side surface of the upper end of the guide block, and both ends of the T-shaped rod are fixedly sleeved with torsion springs, the free end of the torsion spring is fixedly connected to the inner wall of the groove opened on the surface of the guide block, and one side surface of the T-shaped rod is fixedly connected to the inner wall of the guide cylinder through a connecting rod.

[0021] Through the above technical solution, in order to support the guide block in the guide cylinder and complete the clamping and guiding of the lifting steel rope, the T-shaped rod with a torsion spring hinges the guide block on the inner wall of the guide cylinder, so that the guide block has a clamping force.

[0022] Preferably, the limiting mechanism also includes an extrusion spring fixedly connected to the surface of one side of the guide block, the free end of the extrusion spring is fixedly connected to the inner wall of the guide cylinder, the outer surface of the lower end of the guide block is distributed up and down with rubber rings, the lower end of the lifting steel rope is fixedly connected to a tension and pressure sensor, and the outer surface of the guide cylinder is fixedly connected to an induction ring.

[0023] Through the above technical solution, the tension and pressure sensor can monitor the quality of the hoisted profile. In order to make the guide block play the role of guide clamping, the guide block is pushed inward by the extrusion spring. In order to monitor the impact of the hoisting steel rope, the rubber ring is tied to the lower end of the guide block which is in an open state due to the action of the torsion spring. When the hoisting steel rope is hit and shakes, the rubber ring rubs in the lower end slide groove of the guide block. When the impact force exceeds the limit value, the rubber ring breaks, the guide block expands and squeezes the extrusion spring, thereby triggering the induction ring to stop the tower crane from operating.

[0024] Preferably, the alarm mechanism includes an audible and visual alarm and an AI anti-collision device respectively installed on the outer surface of the tower crane, and the alarm mechanism also includes a data acquisition module and a data processing module.

[0025] Through the above technical solution, in order to achieve anti-collision early warning, the sound and light alarm is electrically connected to the tension and pressure sensor and the AI ​​anti-collision device, and then when the AI ​​anti-collision device and the tension and pressure sensor monitor values ​​exceeding the set values, an sound and light warning is issued, thereby reminding the staff to make adjustments, and the values ​​monitored by the tension and pressure sensor and the AI ​​anti-collision device are collected by the data acquisition module. At the same time, the values ​​detected by the tension and pressure sensor, the piezoresistive pressure sensor, and the induction ring are all collected by it. The data acquisition module converts the collected data into a numerical signal and sends it to the data processing module for processing and analysis, to obtain the deformation of the tower crane, and display the results on the platform in a visual manner.

[0026] The present invention proposes a monitoring method for a tower crane deformation monitoring device, wherein the monitoring method is as follows:

[0027] S1. The tower crane hoists the profile and rotates on the upper surface of the tower base through the rotating assembly. During the operation of the tower crane, the AI ​​anti-collision device monitors the environment on both sides of the crane to provide early warning of anti-collision.

[0028] S2. When the two sides of the tower crane are hit, the buffer rods on both sides are compressed inward to cushion the collision. The impact force compresses the buffer rods inward, squeezing the support springs. As a result, the connecting sleeves at both ends of the support slide rod are pushed to move relative to each other under the hinge of the linkage rod, thereby pressing the buffer springs at both ends.

[0029] S3. The free end of the crimped buffer spring squeezes the deformation ring of the piezoresistive pressure sensor. When the deformation ring is subjected to pressure and its resistance changes, the Wheatstone bridge in the piezoresistive pressure sensor converts the resistance into a voltage output. The signal is amplified and then processed by the MCU. After proportional calibration, the pressure value is obtained. When the tower crane is subjected to a greater impact force, the resistance tube slides on the outer surface of the supporting slide bar and contacts and squeezes the deformation ring, causing the piezoresistive pressure sensor to measure the pressure value and upload it, so that an alarm can be processed for the pressure.

[0030] S4. The hoisting rope passes through the guide cylinder and is clamped and guided by the guide blocks in the annular array to hoist the profile. The tension and pressure sensor monitors the hoisting of the hoisting rope. The rubber ring is tied to the lower end of the guide block, which is in an open state due to the action of the torsion spring. When the hoisting rope is impacted and shaken, the rubber ring rubs in the lower end slide of the guide block. When the impact force exceeds the limit, the rubber ring breaks, the guide block expands, and the compression spring is squeezed, thereby triggering the induction ring, causing the tower crane to stop operating.

[0031] S5. During the operation of the tower crane, the values ​​monitored by the tension and pressure sensors and the AI ​​anti-collision device are collected by the data acquisition module. At the same time, the values ​​detected by the tension and pressure sensors, piezoresistive pressure sensors, and induction rings are also collected by it. The data acquisition module converts the collected data into numerical signals and sends them to the data processing module for processing and analysis to obtain the deformation of the tower crane and display the results on the platform in a visual manner.

[0032] The beneficial effects of the present invention are:

[0033] 1. By setting a buffer mechanism, the two sides of the tower crane can be protected from collision during the left and right swinging of the tower crane. During the adjustment process, when the two sides of the tower crane are collided, the buffer rods on both sides are compressed inward to buffer the collision process. The impact force compresses the buffer rod inward to squeeze the support spring, thereby pushing the connecting sleeves at both ends of the support slide rod to move relative to each other under the hinge of the linkage rod, and then crimping the buffer springs at both ends. The free ends of the crimped buffer springs squeeze the deformation ring of the piezoresistive pressure sensor, and as the pressure on the buffer rod increases, the resistance cylinder slides on the outer surface of the support slide rod and contacts and squeezes the deformation ring, so that the piezoresistive pressure sensor measures the pressure value and uploads it, and then an alarm can be processed for the pressure, which can not only buffer the tower crane when it is slightly collided, but also provide early warning for larger impact forces.

[0034] 2. By setting a limit mechanism, the lifting rope of the lifting profile can be guided and limited during operation, and an early warning can be given when it shakes. During the adjustment process, the profile is lifted by the lifting rope passing through the guide cylinder and being clamped and guided by the guide blocks of the ring array. The tension pressure sensor monitors the lifting of the lifting rope, and the rubber ring is used to bind the lower end of the guide block which is in an open state due to the action of the torsion spring. When the lifting rope is hit and shakes, the rubber ring rubs in the lower end slide groove of the guide block. When the impact force exceeds the limit value, the rubber ring breaks, and the guide block expands and squeezes the extrusion spring, thereby triggering the induction ring to stop the tower crane from operating, thereby preventing structural damage or accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 Schematic diagram of a tower crane deformation monitoring device and monitoring method proposed by the present invention;

[0036] Figure 2 A three-dimensional diagram of the AI ​​anti-collision instrument structure of a tower crane deformation monitoring device and monitoring method proposed in the present invention;

[0037] Figure 3 A three-dimensional diagram of the buffer mechanism structure of a tower crane deformation monitoring device and monitoring method proposed in the present invention;

[0038] Figure 4 A perspective view of the buffer rod structure of a tower crane deformation monitoring device and monitoring method proposed by the present invention;

[0039] Figure 5 A three-dimensional diagram of the support slide structure of a tower crane deformation monitoring device and monitoring method proposed in the present invention;

[0040] Figure 6 A three-dimensional diagram of the linkage rod structure of a tower crane deformation monitoring device and monitoring method proposed by the present invention;

[0041] Figure 7 A three-dimensional diagram of the buffer spring structure of a tower crane deformation monitoring device and monitoring method proposed by the present invention;

[0042] Figure 8 A perspective view of the structure of a piezoresistive pressure sensor for a tower crane deformation monitoring device and monitoring method proposed in the present invention;

[0043] Figure 9 A three-dimensional diagram of the limiting mechanism structure of a tower crane deformation monitoring device and monitoring method proposed in the present invention;

[0044] Figure 10 A three-dimensional diagram of the extrusion spring structure of a tower crane deformation monitoring device and monitoring method proposed by the present invention;

[0045] Figure 11 A perspective view of the guide block structure of a tower crane deformation monitoring device and monitoring method proposed by the present invention;

[0046] Figure 12 A three-dimensional diagram of the T-bar structure of a tower crane deformation monitoring device and monitoring method proposed in the present invention;

[0047] Figure 13 This is a structural block diagram of the alarm mechanism of a tower crane deformation monitoring device and monitoring method proposed by the present invention.

[0048] In the figure: 1. Tower crane; 2. Rotating assembly; 3. Tower base; 4. Hoisting rope; 5. Buffer mechanism; 51. Mounting plate; 52. Support slide bar; 53. Support spring; 54. Buffer rod; 55. Piezoresistive pressure sensor; 56. Deformation ring; 57. Connecting sleeve; 58. Retaining cylinder; 59. Buffer spring; 60. Linkage rod; 7. Limiting mechanism; 71. Guide cylinder; 72. Guide block; 73. T-bar; 74. Torsion spring; 75. Extrusion spring; 76. Rubber ring; 77. Tension pressure sensor; 78. Induction ring; 8. Alarm mechanism; 81. Sound and light alarm; 82. AI anti-collision device; 83. Data acquisition module; 84. Data processing module. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0050] Example 1

[0051] Reference Figures 1-13 A deformation monitoring device for a tower crane comprises a tower crane 1 for hoisting profiles, a rotating assembly 2 for driving the tower crane 1 to rotate at a uniform speed to transport the profiles being installed on the lower surface of the tower crane 1, the rotating assembly 2 comprising a rotating motor and a connecting block for connection and support, a tower base 3 for supporting the tower crane 1 being installed on the lower surface of the rotating assembly 2, a hoisting steel rope 4 being provided on the surface of the tower crane 1, a buffer mechanism 5 being provided on the outer surfaces of both sides of the tower crane 1, a limiting mechanism 7 being provided on the outer surface of the hoisting steel rope 4, and an alarm mechanism 8 being provided on the outer surface of the tower crane 1.

[0052] like Figure 3-Figure 8 As shown, the buffer mechanism 5 performs anti-collision processing on both sides of the tower body when the tower crane 1 swings left and right.

[0053] In order to prevent the tower crane 1 from colliding during rotation and causing deformation to lead to accidents, the buffer mechanism 5 includes mounting plates 51 fixedly mounted on both side surfaces of the tower crane 1. One side surface of the mounting plate 51 is fixedly connected to a support slide 52 with a smooth surface through a support ear plate. The support slide 52 connects and installs the buffer mechanism 5.

[0054] In order to prevent the tower crane 1 from colliding, the buffer mechanism 5 also includes a support spring 53 installed on the outer surface of the support ear plate at both ends of the support slide bar 52. The free end of the support spring 53 is fixedly connected to a buffer rod 54 for buffering. The buffer rod 54 connected to the support spring 53 provides buffering when the tower crane 1 collides, thereby preventing the tower crane 1 from being damaged due to collision.

[0055] In order to monitor the deformation of the tower crane 1 when it is hit, the buffer mechanism 5 also includes a piezoresistive pressure sensor 55 fixedly installed on the outer surface of the middle part of the support slide 52 in a relatively distributed manner. A deformation ring 56 is provided on the surface of the piezoresistive pressure sensor 55. The outer surfaces of both ends of the support slide 52 are symmetrically distributed and slidably sleeved with a connecting sleeve 57. One side surface of the connecting sleeve 57 is fixedly connected to a sleeve 58 movably sleeved on the outer surface of the support slide 52. The outer surface of the connecting sleeve 57 is fixedly connected to a buffer spring 59. The free end of the buffer spring 59 is fixedly connected to the outer surface of the deformation ring 56. The impact force causes the connecting sleeve 57 to The outer surface of the support slide 52 slides and compresses the buffer spring 59, so that the free end of the buffer spring 59 squeezes the deformation ring 56 of the piezoresistive pressure sensor 55. When the deformation ring 56 is subjected to pressure and the resistance changes, the Wheatstone bridge in the piezoresistive pressure sensor 55 converts the resistance into a voltage output. The signal is amplified and then sent to the MCU for processing. After proportional calibration, the pressure value is obtained. When the tower crane 1 is subjected to a greater impact force, the resistance cylinder 58 slides on the outer surface of the support slide 52 and contacts and squeezes the deformation ring 56, so that the piezoresistive pressure sensor 55 measures the pressure value and uploads it, and an alarm can be processed for the pressure.

[0056] In order to respond to the force when the buffer rod 54 is hit, the buffer mechanism 5 also includes a linkage rod 60 hingedly installed on the outer surface of one side of the connecting sleeve 57 through a hinge shaft. The outer surface of one end of the linkage rod 60 is hinged to the surface of one side of the buffer rod 54 through the hinge shaft. When the buffer rod 54 is hit, the buffer rod 54 compresses the support spring 53, thereby squeezing the connecting sleeve 57 to move on the support slide rod 52 under the linkage of the linkage rod 60, and then the buffer spring 59 compresses the deformation ring 56 to complete the monitoring of the impact force and impact degree by the piezoresistive pressure sensor 55.

[0057] By setting up the buffer mechanism 5, the two sides of the tower body can be prevented from collision during the left and right swinging of the tower crane 1. During the adjustment process, when the two sides of the tower crane 1 are collided, the buffer rods 54 on both sides are compressed inward to buffer the collision process. The impact force causes the buffer rods 54 to compress the support springs 53 when they are compressed inward, thereby pushing the connecting sleeves 57 at both ends of the support slide bar 52 to move relative to each other under the hinge of the linkage rod 60, and then crimping the buffer springs 59 at both ends. The free ends of the crimped buffer springs 59 squeeze the deformation ring 56 of the piezoresistive pressure sensor 55, and as the pressure on the buffer rod 54 increases, the resistance cylinder 58 slides on the outer surface of the support slide bar 52 and contacts and squeezes the deformation ring 56, so that the piezoresistive pressure sensor 55 measures the pressure value and uploads it, and then an alarm can be processed for the pressure, which can not only buffer the tower crane 1 when it is slightly collided, but also provide early warning for larger impacts.

[0058] like Figure 2and Figures 9-12 As shown, the limiting mechanism 7 limits the hoisting steel rope 4 during the hoisting process.

[0059] In order to prevent the lifting steel rope 4 from shaking due to the impact of external forces during the process of lifting the profile, thereby damaging the rotating tower crane 1 and the winding mechanism of the lifting steel rope 4, the limiting mechanism 7 includes a guide cylinder 71 fixedly installed on the lower surface of one end of the tower crane 1, and the lifting steel rope 4 passes through the interior of the guide cylinder 71. The interior of the guide cylinder 71 is provided with guide blocks 72 in a ring array. The bottom of the guide block 72 is conical. The outer surface of the lifting steel rope 4 is in sliding contact with the inner surface of the guide block 72. The guide cylinder 71 is used to guide and limit the lifting steel rope 4 when it is wound and unwound, and at the same time, the guide blocks 72 in the internal ring array can clamp and guide the lifting steel rope 4, and the shaking of the lifting steel rope 4 can be monitored.

[0060] In order to support the guide block 72 in the guide cylinder 71 and complete the clamping and guiding of the lifting steel rope 4, the limiting mechanism 7 also includes a T-shaped rod 73 rotatably connected to the inner wall of the groove opened on one side surface of the upper end of the guide block 72. Both ends of the T-shaped rod 73 are fixedly sleeved with a torsion spring 74. The free end of the torsion spring 74 is fixedly connected to the inner wall of the groove opened on the surface of the guide block 72. One side surface of the T-shaped rod 73 is fixedly connected to the inner wall of the guide cylinder 71 through a connecting rod. The T-shaped rod 73 with the torsion spring 74 hinges the guide block 72 to the inner wall of the guide cylinder 71, so that the guide block 72 can have a clamping force.

[0061] When the lifting rope 4 is hit, the upper end of the guide block 72 is tightened, and the lower end of the guide block 72 is tightened. When the lifting rope 4 is hit, the upper end of the guide block 72 is tightened, and the lower end of the guide block 72 is tightened. When the lifting rope 4 is hit, the upper end of the guide block 72 is tightened, and the lower end of the guide block 72 is tightened. When the lifting rope 4 is hit, the upper end of the guide block 72 is tightened, and the lower end of the guide block 72 is tightened. When the lifting rope 4 is hit and shakes, the rubber ring 76 rubs in the lower end slide groove of the guide block 72. When the impact force exceeds the limit value, the rubber ring 76 breaks, the guide block 72 expands and squeezes the squeezing spring 75, thereby triggering the induction ring 78, causing the tower crane 1 to stop operating.

[0062] like Figure 13 As shown, the alarm mechanism 8 performs an alarm process when the tower crane 1 is impacted and deformed.

[0063] In order to achieve anti-collision early warning, the alarm mechanism 8 includes an audible and visual alarm 81 and an AI anti-collision device 82 respectively installed on the outer surface of the tower crane 1. The alarm mechanism 8 also includes a data acquisition module 83 and a data processing module 84. When the AI ​​anti-collision device 82 and the tension and pressure sensor 77 detect that the value exceeds the set value, an audible and visual warning is issued, thereby reminding the staff to make adjustments. The values ​​monitored by the tension and pressure sensor 77 and the AI ​​anti-collision device 82 are collected by the data acquisition module 83. At the same time, the values ​​detected by the tension and pressure sensor 77, the piezoresistive pressure sensor 55, and the induction ring 78 are all collected by it. The data acquisition module 83 converts the collected data into a numerical signal and sends it to the data processing module 84 for processing and analysis to obtain the deformation of the tower crane 1 and display the results on the platform in a visual manner.

[0064] By setting the limiting mechanism 7, the lifting rope 4 for lifting the profile can be guided and limited during operation, and an early warning can be implemented when it shakes. During the adjustment process, the profile is lifted by the lifting rope 4 passing through the guide cylinder 71 and being clamped and guided by the guide blocks 72 of the annular array. The tension and pressure sensor 77 monitors the lifting of the lifting rope 4, and the rubber ring 76 is tied to the lower end of the guide block 72 which is in an open state due to the action of the torsion spring 74. When the lifting rope 4 is hit and shakes, the rubber ring 76 rubs in the lower end slide groove of the guide block 72. When the impact force exceeds the limit value, the rubber ring 76 breaks, and the guide block 72 expands and squeezes the extrusion spring 75, thereby triggering the induction ring 78, causing the tower crane 1 to stop operating, thereby preventing structural damage or accidents.

[0065] Example 2

[0066] Reference Figures 1-13 A monitoring method for a tower crane deformation monitoring device is provided. In a specific embodiment of the present invention, a profile is hoisted by a tower crane 1, and the tower crane 1 is rotated on the upper surface of a tower base 3 by a rotating assembly 2. During the operation of the tower crane 1, an AI anti-collision device 82 monitors the environment on both sides of the tower crane 1 to provide an anti-collision warning.

[0067] When the tower crane 1 is hit on both sides, the buffer rods 54 on both sides are compressed inward to cushion the collision. The impact force compresses the buffer rods 54 inward, squeezing the support springs 53. As a result, the connecting sleeves 57 at both ends of the support slide bar 52 are pushed to move relative to each other under the hinge of the linkage rod 60, thereby pressing the buffer springs 59 at both ends.

[0068] The free end of the crimped buffer spring 59 squeezes the deformable ring 56 of the piezoresistive pressure sensor 55. When the deformable ring 56 is subjected to pressure, the resistance of the deformable ring 56 changes. The Wheatstone bridge in the piezoresistive pressure sensor 55 converts the resistance into a voltage output. The signal is amplified and then processed by the MCU. After proportional calibration, the pressure value is obtained. When the tower crane 1 is subjected to a greater impact force, the resistance tube 58 slides on the outer surface of the support slide bar 52, contacts and squeezes the deformable ring 56, causing the piezoresistive pressure sensor 55 to measure the pressure value and upload it, so that an alarm can be processed for the pressure.

[0069] The hoisting rope 4 passes through the guide cylinder 71 and is clamped and guided by the annular array of guide blocks 72 to hoist the profile. The tension and pressure sensor 77 monitors the hoisting of the hoisting rope 4. The rubber ring 76 binds the lower end of the guide block 72, which is in an open state due to the action of the torsion spring 74. When the hoisting rope 4 is impacted and shaken, the rubber ring 76 rubs in the lower end groove of the guide block 72. When the impact force exceeds a specified value, the rubber ring 76 breaks, the guide block 72 expands, and squeezes the compression spring 75, thereby triggering the induction ring 78, causing the tower crane 1 to stop operating.

[0070] During the operation of the tower crane 1, the values ​​monitored by the tension and pressure sensors 77 and the AI ​​anti-collision device 82 are collected by the data acquisition module 83. At the same time, the values ​​detected by the tension and pressure sensors 77, the piezoresistive pressure sensor 55, and the induction ring 78 are also collected by it. The data acquisition module 83 converts the collected data into numerical signals and sends them to the data processing module 84 for processing and analysis, so as to obtain the deformation of the tower crane 1 and display the results on the platform in a visual manner, thereby preventing structural damage or accidents.

[0071] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A tower crane deformation monitoring device, comprising a tower crane (1) for hoisting profiles, characterized in that: The lower surface of the tower crane (1) is provided with a rotating assembly (2) for driving the tower crane to rotate uniformly and transport the profiles. The rotating assembly (2) includes a rotating motor and a connecting block for connecting and supporting. The lower surface of the rotating assembly (2) is provided with a tower base (3) for supporting the tower crane (1). The surface of the tower crane (1) is provided with a hoisting steel rope (4). Buffer mechanisms (5) are provided on the outer surfaces of both sides of the tower crane (1). A limiting mechanism (7) is provided on the outer surface of the hoisting steel rope (4). An alarm mechanism (8) is provided on the outer surface of the tower crane (1). The buffer mechanism (5) performs anti-collision processing on both sides of the tower body during the left-right swinging of the tower crane (1); The buffer mechanism (5) comprises mounting plates (51) respectively fixedly mounted on both side surfaces of the tower crane (1); a support slide bar (52) with a smooth surface is fixedly connected to one side surface of the mounting plate (51) via a support lug plate; The buffer mechanism (5) further comprises a support spring (53) mounted on the outer surface of the support ear plate at both ends of the support slide bar (52), and a buffer rod (54) for buffering is fixedly connected to the free end of the support spring (53); The buffer mechanism (5) further comprises a piezoresistive pressure sensor (55) fixedly mounted on the outer surface of the middle portion of the support slide bar (52) in a relatively distributed manner, a deformation ring (56) being provided on the surface of the piezoresistive pressure sensor (55), a connecting sleeve (57) being symmetrically distributed and slidingly sleeved on the outer surfaces of both ends of the support slide bar (52), a side surface of the connecting sleeve (57) being fixedly connected to a resisting sleeve (58) movably sleeved on the outer surface of the support slide bar (52), a buffer spring (59) being fixedly connected to the outer surface of the connecting sleeve (57), and a free end of the buffer spring (59) being fixedly connected to the outer surface of the deformation ring (56); The buffer mechanism (5) further comprises a linkage rod (60) hingedly mounted on the outer surface of one side of the connecting sleeve (57) via a hinge shaft, and the outer surface of one end of the linkage rod (60) is hingedly connected to the surface of one side of the buffer rod (54) via the hinge shaft; Wherein, the limiting mechanism (7) performs a limiting process on the hoisting steel rope (4) during the hoisting process; The limiting mechanism (7) comprises a guide cylinder (71) fixedly mounted on the lower surface of one end of the tower crane (1); the hoisting steel rope (4) passes through the interior of the guide cylinder (71); guide blocks (72) in a ring array are provided inside the guide cylinder (71); the bottom of the guide block (72) is conical; the outer surface of the hoisting steel rope (4) is in sliding contact with the inner surface of the guide block (72); The limiting mechanism (7) further comprises a T-shaped rod (73) rotatably connected to the inner wall of a groove formed on one side surface of the upper end of the guide block (72); both ends of the T-shaped rod (73) are fixedly sleeved with a torsion spring (74); the free end of the torsion spring (74) is fixedly connected to the inner wall of the groove formed on the surface of the guide block (72); and one side surface of the T-shaped rod (73) is fixedly connected to the inner wall of the guide cylinder (71) via a connecting rod; The limiting mechanism (7) further comprises an extrusion spring (75) fixedly connected to a side surface of the guide block (72), the free end of the extrusion spring (75) being fixedly connected to the inner wall of the guide cylinder (71), the outer surface of the lower end of the guide block (72) being sleeved with a rubber ring (76) distributed up and down, the lower end of the hoisting steel rope (4) being fixedly connected to a tension and pressure sensor (77), and the outer surface of the guide cylinder (71) being fixedly sleeved with an induction ring (78); The alarm mechanism (8) performs an alarm process when the tower crane (1) is deformed by impact.

2. A tower crane deformation monitoring device according to claim 1, characterized in that: The alarm mechanism (8) comprises an audible and visual alarm (81) and an AI anti-collision device (82) respectively mounted on the outer surface of the tower crane (1); the alarm mechanism (8) further comprises a data acquisition module (83) and a data processing module (84).

3. A monitoring method for a tower crane deformation monitoring device according to any one of claims 1 to 2, wherein the monitoring method comprises: S1, the tower crane (1) lifts the profile and rotates the tower crane (1) on the upper surface of the tower base (3) through the rotating assembly (2). During the operation of the tower crane (1), the AI ​​anti-collision device (82) monitors the environment on both sides of the tower crane to provide anti-collision warning prompts; S2. When both sides of the tower crane (1) are collided, the buffer rods (54) on both sides are compressed inwards to buffer the collision process. The impact force causes the buffer rods (54) to compress inwards and squeeze the support springs (53), thereby pushing the connecting sleeves (57) at both ends of the support slide rod (52) to move relative to each other under the hinge of the linkage rod (60), thereby pressing the buffer springs (59) at both ends; S3, the free end of the crimped buffer spring (59) squeezes the deformation ring (56) of the piezoresistive pressure sensor (55). When the deformation ring (56) is subjected to pressure and produces a resistance change, the Wheatstone bridge in the piezoresistive pressure sensor (55) converts the resistance into a voltage output. The signal is amplified and then sent to the MCU for processing. After proportional calibration, the pressure value is obtained. When the tower crane (1) is subjected to a greater impact force, the support cylinder (58) slides on the outer surface of the support slide bar (52) and contacts and squeezes the deformation ring (56), so that the piezoresistive pressure sensor (55) measures the pressure value and uploads it, and then an alarm process can be performed on the pressure. S4, the hoisting steel rope (4) passes through the guide cylinder (71) and is clamped and guided by the guide blocks (72) of the annular array to hoist the profile. The tension and pressure sensor (77) monitors the hoisting of the hoisting steel rope (4). The rubber ring (76) binds the lower end of the guide block (72) in an open state due to the action of the torsion spring (74). When the hoisting steel rope (4) is impacted and shakes, the rubber ring (76) rubs in the lower end slide groove of the guide block (72). When the impact force exceeds a limit value, the rubber ring (76) breaks, the guide block (72) expands and squeezes the squeezing spring (75), thereby triggering the induction ring (78) and stopping the tower crane (1); S5. During the operation of the tower crane (1), the values ​​monitored by the tension and pressure sensor (77) and the AI ​​anti-collision device (82) are collected by the data acquisition module (83). At the same time, the values ​​detected by the tension and pressure sensor (77), the piezoresistive pressure sensor (55), and the induction ring (78) are also collected. The data acquisition module (83) converts the collected data into a numerical signal and sends it to the data processing module (84) for processing and analysis, thereby obtaining the deformation of the tower crane (1) and displaying the results on the platform in a visual manner.

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