A mounting device suitable for mine vertical shaft lifting steel wire rope deviation identification

Abstract

The utility model discloses a kind of installation devices suitable for mine vertical shaft hoisting steel wire rope deviation identification, belong to mine hoisting safety monitoring technical field. Including friction hoisting mechanism, suspension state monitoring device and control host computer;Friction hoisting mechanism includes lifting drum, guide wheel, lifting container, balance suspension device, first rope and tail rope;Suspension state monitoring device is installed in the periphery of shaft under guide wheel, including support frame, visual probe, can be positioned in two-dimensional plane automatically;Control host computer is electrically connected with motion module and visual probe, for driving visual probe tracking and collecting the high-definition image of all balance suspension device when lifting container is in position, and the steel wire rope deviation abnormality is identified in real time by control host computer image processing and early warning.Single-probe full coverage, non-contact, automated online monitoring, replace artificial patrol, significantly improve monitoring real-time, accuracy and safety, and adapt to well tower type and floor type hoisting system, installation is convenient, and the cost of transformation is low.

Description

Technical Field

[0001] This utility model relates to the field of mine equipment condition monitoring technology, and in particular to an installation device suitable for identifying the deviation of hoisting wire ropes in mine vertical shafts. Background Technology

[0002] In mine shaft hoisting systems, multi-rope friction hoisting is widely used due to its high load-bearing capacity and operating efficiency. However, due to differences in the elastic modulus of wire ropes, uneven wear of the drum grooves, and the elastic creep of the wire ropes during long-term operation, the hydraulic cylinders in the balancing suspension device often experience stroke deviation, leading to "cylinder jamming," which can cause equipment failure or even safety accidents in severe cases. Currently, the detection of wire rope misalignment mainly relies on manual inspection, which suffers from high operational risks, low detection efficiency, and inconsistent judgment standards, making it difficult to meet the urgent needs of modern mines for the safety and automation of hoisting systems. Therefore, there is an urgent need for a monitoring and identification device that can identify the misalignment and oil leakage status of suspension hydraulic cylinders in real time, non-contact, and automatically, in order to improve fault early warning capabilities, reduce maintenance costs, and ensure the safe and efficient operation of mine hoisting systems. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide an installation device suitable for identifying the deviation of steel wire rope in mine vertical shaft hoisting. The device includes a friction hoisting mechanism. Through a suspension status monitoring device and a control host installed below the guide wheel of the friction hoisting mechanism on the periphery of the shaft, automated and non-contact image acquisition and processing are achieved to monitor the deviation of the steel wire rope of the balance suspension device in real time, so as to warn of abnormalities and ensure the safe and stable operation of the hoisting equipment.

[0004] To achieve the above objectives, this utility model provides an installation device suitable for identifying the deviation of hoisting wire ropes in mine vertical shafts. The device includes a friction hoisting mechanism comprising a hoisting drum, a guide wheel, a hoisting container, a balance suspension device, a head rope, and a tail rope. The hoisting drum is located at the top of the shaft tower or derrick, serving as a power output source. The guide wheel is installed at the shaft opening, positioned below the hoisting drum but above the shaft inlet. The hoisting container is suspended inside the shaft and connected to the guide wheel via the head rope. The balance suspension device is directly fixed to the top of the hoisting container. One end of the head rope is wound around the hoisting drum, turns after passing through the guide wheel, and then connects to the balance suspension device. The tail rope hangs freely from the bottom of the hoisting container to the bottom of the shaft.

[0005] Also includes:

[0006] A suspension status monitoring device, wherein the suspension status monitoring device is disposed on the periphery of the wellbore below the guide wheel, the suspension status monitoring device comprising:

[0007] Support frame;

[0008] Vertical guide rails are fixed at both ends to the support frame;

[0009] A vertical lead screw, with both ends rotatably connected to the support frame;

[0010] A vertical drive device is fixed to one end of the support frame and drives the vertical lead screw to rotate;

[0011] The horizontal carriage is slidably connected to the vertical guide rail and is driven by the vertical lead screw;

[0012] A horizontal lead screw, with both ends rotatably connected to the horizontal slide;

[0013] A horizontal drive device is fixed to one end of the horizontal carriage and drives the horizontal lead screw to rotate.

[0014] The slider platform is slidably connected to the horizontal slide and is driven by the horizontal lead screw.

[0015] A vision probe is fixed on the slider platform, and the acquisition direction of the vision probe is towards the balance suspension device; preferably, the vision probe is an industrial camera, and the lens axis of the vision probe is perpendicular to the plane of the balance suspension device.

[0016] The control host is electrically connected to the vertical drive device, the horizontal drive device, and the vision probe, respectively.

[0017] When the vision probe tracks the balance suspension device, it first acquires and stitches images of each balance suspension device, and extracts the relative displacement values ​​between the moving and fixed parts in each balance suspension device. The control host averages the displacement values ​​of all balance suspension devices. If the absolute value of the difference between a certain displacement value and the average value exceeds a set threshold, it is determined that the steel wire rope corresponding to the balance suspension device is misaligned.

[0018] Furthermore, the control host is used to control the vertical drive device and the horizontal drive device to move when the lifting container reaches the vicinity of the suspension status monitoring device, so as to drive the vision probe to move in the vertical and horizontal directions, thereby tracking the balanced suspension device and capturing clear images, ensuring the quality and effectiveness of the acquired images, providing a reliable image data source for subsequent status recognition, and significantly improving the stability and reliability of the system.

[0019] Furthermore, the vertical guide rail, the vertical lead screw, and the vertical drive device are all mounted on the support frame. The horizontal carriage is driven by the vertical drive device via the vertical lead screw and moves vertically along the vertical guide rail, further clarifying the vertical movement mechanism of the device. By uniformly mounting the relevant components for vertical movement on the support frame and defining the relationship between drive and movement, a stable and reliable vertical positioning module is formed. This structural design is clear, with a short transmission chain, ensuring the smoothness and positioning accuracy of the horizontal carriage's vertical movement.

[0020] Furthermore, both the horizontal lead screw and the horizontal drive device are mounted on the horizontal carriage, and the slider platform is driven by the horizontal drive device via the horizontal lead screw and moves horizontally along the horizontal carriage.

[0021] Furthermore, the horizontal slide is threadedly connected to the vertical lead screw; the slider platform is threadedly connected to the horizontal lead screw. Using a threaded connection, preferably a lead screw and nut pair, converts rotational motion into linear motion, offering advantages such as high transmission accuracy, precise positioning, and reduced backlash. Simultaneously, lead screw drives typically possess self-locking properties, maintaining their position even after power failure or a stop command, enhancing the stability and safety of the device's positioning.

[0022] Furthermore, the vertical guide rail includes two parallel guide rods, and the horizontal carriage is slidably mounted on the two guide rods. This double-parallel guide rod design provides higher structural rigidity and stability compared to a single guide rail. It effectively resists the bumps, vibrations, and torsion that may occur during the movement of the horizontal carriage, ensuring that the vision probe maintains a stable posture whether moving or stationary, avoiding image blurring or distortion, which is crucial for acquiring high-quality images.

[0023] Furthermore, the vertical drive device includes a first motor and a first controller; the horizontal drive device includes a second motor and a second controller, thus specifying the drive device as a motor and a controller, and clarifying the execution unit for realizing automated motion.

[0024] Furthermore, both the first controller and the second controller are electrically connected to the control host and receive control signals from the control host, thus clarifying the electrical connection relationship between the control host and each controller to form a complete closed-loop control system.

[0025] Furthermore, the suspension status monitoring device is installed above ground on the periphery of the shaft, allowing for observation of the balanced suspension device. This designation limits the device's installation location to ensure a clear field of view without interfering with the operation of the main hoisting system. This requirement ensures the feasibility and effectiveness of the device in practical applications, enabling clear monitoring of the target without causing any impact or safety hazard to the normal production of the mine.

[0026] Furthermore, the support frame is fixed to the shaft wall for shaft-type hoisting systems, or to the underside of the shaft sheave platform for ground-mounted hoisting systems, providing specific installation solutions for different types of mines, greatly enhancing the applicability and versatility of this device. It can be flexibly installed without large-scale modifications to existing shafts or towers, lowering the implementation threshold and modification costs, making it easy to promote and apply in various types of mines.

[0027] Compared with the prior art, the beneficial effects achieved by this utility model are as follows:

[0028] By setting up a monitoring device that includes both vertical and horizontal motion mechanisms, along with corresponding vision probes and a control host, automated, non-contact online monitoring of the balance suspension device of the mine hoisting system has been achieved. This structure can utilize a single vision probe to cover the entire suspension device of the head rope, replacing dangerous, inefficient, and error-prone manual inspections, fundamentally improving the real-time performance, accuracy, and safety of monitoring. Attached Figure Description

[0029] Figure 1 A schematic diagram of the installation device for identifying the misalignment of hoisting wire ropes in mine vertical shafts, provided in an embodiment of this utility model;

[0030] Figure 2 A cross-sectional schematic diagram of the suspension status monitoring device provided in this embodiment of the utility model;

[0031] Figure 3 This is a schematic diagram showing the extension and retraction of the upper and lower pull plates in the balance suspension device;

[0032] Labeling Explanation: 1. Lifting Roller; 2. Guide Wheel; 3. Lifting Container; 4. Balance Suspension Device; 5. Head Rope; 6. Tail Rope; 7. Suspension Status Monitoring Device; 71. Support Frame; 72. Vertical Guide Rail; 73. Vertical Lead Screw; 74. Vertical Drive Device; 75. Horizontal Carriage; 76. Horizontal Lead Screw; 77. Horizontal Drive Device; 78. Sliding Platform; 79. Vision Probe; 8. Control Host. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0034] In the description of this utility model, it should be understood that the terms "upper," "lower," "horizontal," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] like Figures 1-2 As shown, this embodiment provides an installation device suitable for identifying the misalignment of hoisting wire ropes in mine shafts. The device includes a friction lifting mechanism, comprising a lifting drum 1, a guide wheel 2, a lifting container 3, a balance suspension device 4, a head rope 5, and a tail rope 6. It also includes:

[0037] A suspension status monitoring device 7 is installed on the outer periphery of the wellbore below the guide wheel 2. The suspension status monitoring device 7 includes:

[0038] Support frame 71;

[0039] The vertical guide rail 72 is fixed at both ends to the support frame 71;

[0040] The vertical lead screw 73 is rotatably connected to the support frame 71 at both ends;

[0041] The vertical drive device 74 is fixed to one end of the support frame 71 and drives the vertical lead screw 73 to rotate.

[0042] The horizontal carriage 75 is slidably connected to the vertical guide rail 72 and is driven by the vertical lead screw 73;

[0043] The horizontal lead screw 76 is rotatably connected to the horizontal slide 75 at both ends;

[0044] A horizontal drive device 77 is fixed to one end of a horizontal slide 75 and drives a horizontal lead screw 76 to rotate.

[0045] The slider platform 78 is slidably connected to the horizontal slide 75 and is driven by the horizontal lead screw 76.

[0046] The vision probe 79 is fixed on the slider platform 78, and the acquisition direction of the vision probe 79 is towards the balance suspension device 4;

[0047] The control host 8 is electrically connected to the vertical drive device 74, the horizontal drive device 77, and the vision probe 79, respectively.

[0048] Furthermore, the control host 8 is used to control the vertical drive device 74 and the horizontal drive device 77 to move when the lifting container 3 reaches the vicinity of the suspension status monitoring device 7, so as to drive the vision probe 79 to move in the vertical and horizontal directions, thereby tracking the balanced suspension device 4 and capturing clear images.

[0049] Furthermore, the horizontal carriage 75 is driven by the vertical drive device 74 via the vertical lead screw 73 and moves vertically along the vertical guide rail 72.

[0050] Furthermore, the slider platform 78 is driven by the horizontal drive device 77 via the horizontal lead screw 76 and moves horizontally along the horizontal carriage 75.

[0051] Furthermore, the horizontal carriage 75 is threadedly connected to the vertical lead screw 73; the slider platform 78 is threadedly connected to the horizontal lead screw 76.

[0052] Furthermore, the vertical guide rail 72 includes two parallel guide rail rods, and the horizontal carriage 75 is slidably sleeved on the two guide rail rods.

[0053] Furthermore, the vertical drive device 74 includes a first motor and a first controller; the horizontal drive device 77 includes a second motor and a second controller.

[0054] Furthermore, both the first controller and the second controller are electrically connected to the control host 8 and receive control signals from the control host 8.

[0055] Furthermore, the suspension status monitoring device 7 is installed above ground at the periphery of the wellbore, where the balance suspension device 4 can be observed.

[0056] Furthermore, depending on the type of mine hoisting system, this device can be installed in different ways:

[0057] Well tower type hoisting system: The support frame 71 is fixed to the appropriate layer wall of the well tower to ensure that the vision probe 79 can clearly observe the movement status of the balance suspension device 4.

[0058] Ground-mounted lifting system: The support frame 71 is fixed at an appropriate position below the derrick sheave platform, ensuring an open field of view.

[0059] The selection of the installation location should meet the following conditions: it should allow clear observation of all balance suspension devices; it should not interfere with the normal operation of the lifting system; it should facilitate equipment maintenance and repair; and it should have good resistance to vibration and environmental interference.

[0060] The working process of this device is as follows:

[0061] System initialization: After the control host 8 is started, it first initializes and positions the suspension status monitoring device 7, so that the vision probe 79 is in the preset initial position.

[0062] Target detection: When the lifting container 3 rises to the vicinity of the guide wheel 2, the vision probe 79 begins to capture the image signal of the balance suspension device 4, and the control host 8 determines the position of the balance suspension device 4 through the built-in image recognition algorithm.

[0063] Tracking and Positioning: Based on the position information of the balance suspension device 4, the control host 8 automatically controls the vertical drive device 74 and the horizontal drive device 77. The vertical drive device 74 drives the vertical screw 73 to rotate via the first motor, causing the horizontal slide 75 to move up and down along the vertical guide rail 72; the horizontal drive device 77 drives the horizontal screw 76 to rotate via the second motor, causing the slider platform 78 to move left and right along the horizontal slide 75, thereby achieving precise positioning of the vision probe 79 in a two-dimensional plane.

[0064] Image Acquisition: Under the control of the host computer 8, the vision probe 79 moves along a preset scanning trajectory to sequentially acquire high-definition images of all the balancing suspension devices 4 on the lifting container 3. During the acquisition process, the vision probe 79 can perform the acquisition when the lifting has completely stopped or in a slow-speed operation, but a sufficient frame rate must be ensured to obtain clear images.

[0065] Image processing and analysis: The control host 8 stitches together multiple images to form a complete image of the balanced suspension device 4, and then uses image analysis algorithms to detect wire rope deviation.

[0066] Early warning output: When a deviation is detected, the control host 8 immediately issues an early warning signal to notify the operator to take appropriate measures in a timely manner to repair the wire rope and ensure the safe and stable operation of the hoisting equipment.

[0067] The image analysis algorithm first automatically captures and stitches images when the lifting container is in place using a vision probe to ensure coverage of the balance suspension device 4 of all the first ropes;

[0068] Secondly, the relative positions of the upper and lower plates of the balance suspension device 4 are extracted from the stitched image, and their stroke values ​​are calculated.

[0069] Then, by using preset travel limit ranges, such as maximum and minimum values, it is determined whether any abnormalities have occurred. If the travel value exceeds this range, it corresponds to a risk of tension imbalance. Figure 3 The scaling change is shown;

[0070] Finally, the value of a single stroke is compared with the average value of all strokes. When the deviation exceeds a set threshold, it is determined that the wire rope has deviated, thus achieving an automated early warning.

[0071] Compared with traditional manual inspection methods, this utility model has significant advantages: it achieves full coverage monitoring with a single probe, avoiding the safety risks of manual inspection; it adopts a non-contact detection method, which does not affect the normal operation of the hoisting system; it has a high degree of automation, enabling real-time monitoring and timely early warning; it has high monitoring accuracy, accurately identifying minute deviations and oil leaks; it has strong applicability, adaptable to both well tower and ground-mounted hoisting systems; it is easy to install, has low modification costs, and has good economic benefits and promotional value.

[0072] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An installation device for identifying wire rope misalignment in mine shaft hoisting, comprising a friction lifting mechanism, wherein the friction lifting mechanism includes a lifting drum (1), a guide wheel (2), a lifting container (3), a balance suspension device (4), a head rope (5), and a tail rope (6), characterized in that, Also includes: A suspension status monitoring device (7) is installed on the periphery of the wellbore below the guide wheel (2). The suspension status monitoring device (7) includes: Support frame (71); A vertical guide rail (72) is fixed at both ends to the support frame (71); A vertical lead screw (73) is rotatably connected at both ends to the support frame (71); A vertical drive device (74) is fixed at one end of the support frame (71) and drives the vertical lead screw (73) to rotate. The horizontal carriage (75) is slidably connected to the vertical guide rail (72) and is in transmission cooperation with the vertical lead screw (73); A horizontal lead screw (76) is rotatably connected at both ends to the horizontal slide (75); A horizontal drive device (77) is fixed to one end of the horizontal slide (75) and drives the horizontal lead screw (76) to rotate. The slider platform (78) is slidably connected to the horizontal slide (75) and is in transmission cooperation with the horizontal lead screw (76); A vision probe (79) is fixed on the slider platform (78), and the acquisition direction of the vision probe (79) is towards the balance suspension device (4); The control host (8) is electrically connected to the vertical drive device (74), the horizontal drive device (77) and the vision probe (79), respectively.

2. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 1, characterized in that, The control host (8) is used to control the vertical drive device (74) and the horizontal drive device (77) to move when the lifting container (3) reaches the vicinity of the suspension status monitoring device (7), so as to drive the vision probe (79) to move in the vertical and horizontal directions, thereby tracking the balance suspension device (4) and capturing clear images.

3. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 1, characterized in that, The horizontal carriage (75) is driven by the vertical drive device (74) via the vertical lead screw (73) and moves vertically along the vertical guide rail (72).

4. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 1, characterized in that, The slider platform (78) is driven by the horizontal drive device (77) via the horizontal lead screw (76) and moves horizontally along the horizontal carriage (75).

5. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 1, characterized in that, The horizontal slide (75) is threadedly connected to the vertical lead screw (73); the slider platform (78) is threadedly connected to the horizontal lead screw (76).

6. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 1, characterized in that, The vertical guide rail (72) includes two parallel guide rail rods, and the horizontal carriage (75) is slidably sleeved on the two guide rail rods.

7. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 1, characterized in that, The vertical drive device (74) includes a first motor and a first controller; the horizontal drive device (77) includes a second motor and a second controller.

8. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 7, characterized in that, Both the first controller and the second controller are electrically connected to the control host (8) and receive control signals from the control host (8).

9. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 1, characterized in that, The suspension status monitoring device (7) is installed above ground at the periphery of the wellbore, where the balance suspension device (4) can be observed.

10. The installation device for identifying wire rope deviation in mine vertical shaft hoisting according to claim 9, characterized in that, The support frame (71) is fixed to the wall of the well tower for a tower-type hoisting system, or fixed to the bottom of the derrick sheave platform for a ground-type hoisting system.

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