A smart ruler and method for detecting the wear degree of elevator traction sheave grooves

Abstract

This invention belongs to the field of traction sheave wear detection technology, and specifically relates to an intelligent detection ruler and method for the wear degree of elevator traction sheave grooves. It includes a housing, on which an angle measuring mechanism is mounted. The angle measuring mechanism includes two symmetrically arranged measuring plates, the bottom ends of which are rotatably connected to the housing. A first angle measuring component and an elastically opening component are sequentially arranged between the measuring plates and the housing from top to bottom. A second angle measuring component is mounted at the bottom end of each measuring plate. A distance measuring mechanism is inserted inside the housing, with its bottom end extending beyond the bottom end of the housing. A display mechanism is mounted on the housing, and the distance measuring mechanism and the second angle measuring component are electrically connected to the display mechanism. By incorporating the elastically opening component, this invention allows the measuring plates to be housed inside the housing, making the entire invention more compact and portable. It also facilitates data reading for users and improves measurement accuracy.

Description

Technical Field

[0001] This invention belongs to the field of traction sheave wear detection technology, and particularly relates to an intelligent detection ruler and detection method for the wear degree of elevator traction sheave grooves. Background Technology

[0002] In an elevator traction system, the traction sheave plays a crucial role and is a vital component. During elevator operation, the friction between the wire rope and the traction sheave generates traction force. However, this friction causes wear on the traction sheave, which can severely alter the sheave groove dimensions, significantly reducing its traction capacity. During elevator operation, the car may shake, reducing passenger comfort and, in severe cases, causing the elevator to overshoot, bottom out, or slip, threatening passenger safety. Therefore, an intelligent detection system for assessing the wear of the elevator traction sheave grooves is needed. For example, an elevator traction sheave groove wear detection fixture (patent number: CN218583931U) uses a detection fixture to measure the wear of the groove, but this method is not very accurate, and different operators have different reading habits, resulting in a large error in the measurement value; an elevator traction sheave groove wear tester (patent number: CN205642208U) uses a measuring ball and a measuring needle to measure the wear of the groove, but this method requires changing the measuring ball according to different groove sizes. This method is not only cumbersome, but also prone to assembly errors when changing the measuring ball, affecting the measurement accuracy. Summary of the Invention

[0003] The purpose of this invention is to provide an intelligent ruler and method for detecting the wear degree of elevator traction sheave grooves, so as to solve the above-mentioned problems, facilitate users to read data, improve measurement accuracy, and reduce measurement errors.

[0004] To achieve the above objectives, the present invention provides the following solution:

[0005] An intelligent ruler for detecting the wear degree of elevator traction sheave grooves includes a housing, on which an angle measuring mechanism is provided. The angle measuring mechanism includes two symmetrically arranged measuring plates, which are respectively located on opposite sides of the housing. The bottom end of the measuring plate is rotatably connected to the housing. A first angle measuring component and an elastic opening component are arranged sequentially from top to bottom between the measuring plate and the housing. A second angle measuring component is provided at the bottom end of either measuring plate.

[0006] A distance measuring mechanism is installed inside the outer casing, the distance measuring mechanism is arranged along the length direction of the outer casing, and the bottom end of the distance measuring mechanism protrudes from the bottom end of the outer casing;

[0007] The outer casing is provided with a display mechanism, and the distance measuring mechanism and the second angle measuring component are both electrically connected to the display mechanism.

[0008] Preferably, a support rod is fixedly connected to the bottom end of the measuring plate, two support rods are symmetrically arranged, and bearings are coaxially rotatably connected to both ends of the support rod. One end of the support rod passes through the outer shell and is fixedly connected to an incomplete gear, and the two incomplete gears are meshed.

[0009] Preferably, the second angle measuring component includes a second gear sleeved on any of the support rods, the second gear being coaxially fixed to the support rod, the second gear meshing with a first gear, the first gear being coaxially fixed to a rotating shaft, the rotating shaft being rotatably connected to the side wall of the housing, one end of the rotating shaft passing through the side wall of the housing and being fixedly connected to the measuring end of an angle sensor, the angle sensor being fixed to the outer side wall of the housing, and the angle sensor being electrically connected to the display mechanism.

[0010] Preferably, the first angle measuring component includes an angle ruler hinged to the side wall of the measuring plate, the angle ruler being close to the top of the measuring plate, a torsion spring being provided between the measuring plate and the angle ruler, the end of the angle ruler away from the measuring plate extending into the interior of the housing, and an angle observation hole being provided on the outer side wall of the housing, the angle observation hole being correspondingly provided with the angle ruler.

[0011] Preferably, the elastic opening assembly includes a measuring plate support fixedly connected to the side wall of the measuring plate, a telescopic outer rod hinged to the measuring plate support, a telescopic inner rod slidably connected to the telescopic outer rod, a rotating ring fixedly connected to one end of the telescopic inner rod, a spring support rod rotatably connected to the rotating ring, the spring support rod fixedly connected to the inner side wall of the outer shell, and a first compression spring provided between the rotating ring and the measuring plate support, the first compression spring being sleeved on the outer side wall of the telescopic outer rod.

[0012] Preferably, the distance measuring mechanism includes a measuring rod slidably connected to the bottom wall of the housing. One end of the measuring rod extends into the interior of the housing and is fitted with a second compression spring. One end of the second compression spring is fixedly connected to a limit ring, which is coaxially fixed to the measuring rod. The other end of the second compression spring is fixedly connected to a housing spring stop rod, which is fixedly connected to the inner side wall of the housing. The measuring rod is slidably connected inside the housing spring stop rod. The top end of the measuring rod protrudes from the top surface of the housing spring stop rod and is threadedly connected to a threaded connecting block. One end of a distance sensor rope is fixedly connected to the top end of the threaded connecting block. The distance sensor is electrically connected to the display mechanism and is fixedly connected to the housing truss. The housing truss is fixedly connected to the inner side wall of the housing.

[0013] Preferably, the display mechanism includes a display screen fixedly connected to the outer wall of the housing, the display screen being electrically connected to a controller, the controller being electrically connected to the distance sensor and the angle sensor, and the outer wall of the housing being provided with a first adjustment button, a second adjustment button, a power button, a position indicator light, and a power indicator light, the first adjustment button, the second adjustment button, the power button, the position indicator light, and the power indicator light being electrically connected to the controller, the position indicator light and the power indicator light being located above the display screen, and the first adjustment button, the second adjustment button, and the power button being located below the display screen.

[0014] Preferably, a handle is detachably connected to the top of the outer casing, and a buckle is rotatably connected to the outer side wall of the outer casing. The buckle includes a rotating column, which is rotatably connected to the outer casing. One end of the rotating column extends into the outer casing and is coaxially fixed to a buckle base plate. The diameter of the buckle base plate is larger than the diameter of the rotating column. A baffle is fixedly connected to the other end of the rotating column. The baffle abuts against the outer side wall of the measuring plate. A sliding column is fixedly connected to the side of the baffle near the outer casing. A sliding groove is formed on the outer side wall of the outer casing. The sliding groove has an arc-shaped trajectory. The sliding column is slidably connected within the sliding groove. A battery compartment is formed on the side wall of the outer casing. A battery cover is detachably connected to the opening of the battery compartment.

[0015] Preferably, the outer side of the measuring plate is provided with a groove, and a metal sheet is fixedly connected in the groove. The metal sheet abuts against the edge of the groove of the traction sheave, and the metal sheet is electrically connected to the position indicator light.

[0016] Preferably, it includes the following steps:

[0017] S1. Unfold the measuring plate and vertically place the measuring ruler into the groove of the wheel to be measured;

[0018] S2. Measure the included angle using an angle measuring mechanism;

[0019] S3. Measure the contraction distance of the measuring scale by the distance measuring mechanism, and calculate the wear amount of the traction sheave groove by combining the included angle;

[0020] S4. Return the angle measuring mechanism and distance measuring mechanism to their initial positions;

[0021] S5. Measurement complete.

[0022] Compared with the prior art, the present invention has the following advantages and technical effects:

[0023] By incorporating an elastically opening component, the measuring plate can be stored inside the housing, improving the utilization of the internal space and making the invention more compact and portable. During use, since the second angle measuring component is electrically connected to the display mechanism, the user can obtain data directly from the display mechanism or read data through the first angle measuring component, making data acquisition more versatile. With the included distance measuring mechanism, measurements can be completed simply by hand, making measurement more convenient and efficient. This invention combines angle and distance measurement and includes a display mechanism for data reading, making it applicable to common traction wheels on the market and offering greater versatility. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly described below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is an overall axial view of the present invention;

[0026] Figure 2 This is a rear axial view of the entire machine of the present invention;

[0027] Figure 3 This is a cross-sectional view of the overall structure of the invention during operation;

[0028] Figure 4 for Figure 3 A magnified view of a portion of point A in the middle;

[0029] Figure 5 for Figure 3 A magnified view of a portion of point C in the middle;

[0030] Figure 6 This is a cross-sectional view of the structure of the present invention when it is not in operation;

[0031] Figure 7This is a schematic diagram illustrating a usage scenario of the present invention;

[0032] Figure 8 This is a schematic diagram of the measurement of the traction wheel according to the present invention;

[0033] Figure 9 for Figure 8 A magnified view of a portion of point B in the middle;

[0034] Figure 10 for Figure 9 A magnified view of a portion of point D in the middle;

[0035] Figure 11 This is a schematic diagram of the snap-fit ​​structure.

[0036] The components include: 1. Angle sensor; 2. Measuring plate support; 3. Housing; 4. First adjustment button; 5. Second adjustment button; 6. Power button; 7. Display screen; 8. Position indicator light; 9. Power indicator light; 10. Handle; 11. Buckle; 1101. Buckle base plate; 1102. Rotating column; 1103. Sliding column; 1104. Baffle; 12. Slide groove; 13. Angle observation hole; 14. Angle ruler; 15. Measuring plate; 16. Metal sheet; 17. Telescopic inner rod. ; 18. Inner rod retaining ring; 19. First compression spring; 20. Telescopic outer rod; 21. Measuring rod; 22. Bearing; 23. Support rod; 24. First gear; 26. Outer shell spring stop rod; 27. Torsion spring; 28. Battery compartment; 29. ​​Battery cover; 30. Distance sensor; 31. Outer shell truss; 32. Second compression spring; 33. Second gear; 35. Threaded connecting block; 36. Spring support rod; 37. Traction sheave; 38. Bearing support; 39. Incomplete gear. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] Reference Figures 1-11This invention provides an intelligent detection ruler for the wear degree of elevator traction sheave grooves, including a housing 3. An angle measuring mechanism is provided on the housing 3. The angle measuring mechanism includes two symmetrically arranged measuring plates 15, which are located on opposite sides of the housing 3. The bottom end of the measuring plate 15 is rotatably connected to the housing 3. A first angle measuring component and an elastic opening component are arranged sequentially from top to bottom between the measuring plate 15 and the housing 3. A second angle measuring component is provided at the bottom end of any measuring plate 15.

[0040] A distance measuring mechanism is installed inside the outer casing 3. The distance measuring mechanism is arranged along the length of the outer casing 3, and the bottom end of the distance measuring mechanism extends out of the bottom end of the outer casing 3.

[0041] The outer casing 3 is equipped with a display mechanism, and the distance measuring mechanism and the second angle measuring component are electrically connected to the display mechanism.

[0042] By setting up an elastically opening component, the measuring plate 15 can be stored inside the housing 3, improving the utilization rate of the internal space of the housing 3, and making the whole invention more compact and portable. In use, since the second angle measuring component is electrically connected to the display mechanism, the user can obtain data directly from the display mechanism or read data through the first angle measuring component, making the data acquisition method of this invention more diversified. By setting up a distance measuring mechanism, the user only needs to hold the device to complete the measurement, making the measurement more convenient and efficient. This invention combines angle measurement and distance measurement, and sets up a display mechanism to read data, making it applicable to common traction wheels on the market, with stronger versatility.

[0043] In a further optimized design, a support rod 23 is fixedly connected to the bottom of the measuring plate 15. The two support rods 23 are symmetrically arranged, and the two ends of the support rod 23 are coaxially rotatably connected to bearings 22. One end of the support rod 23 passes through the outer shell 3 and is fixedly connected to an incomplete gear 39. The two incomplete gears 39 are meshed.

[0044] The bearing 22 is fixedly connected inside the bearing support 38, and the bearing support 38 is fixedly connected to the inner wall of the outer casing 3. By setting an incomplete gear 39 at the end of the support rod 23, the two incomplete gears 39 are symmetrically arranged and mesh with each other, ensuring that the opening angles of the two measuring plates 15 are the same, so that the measuring position of the measuring ruler is on the central axis of the wheel groove, thus ensuring the measurement accuracy.

[0045] In a further optimized design, the second angle measuring component includes a second gear 33 sleeved on any of the support rods 23. The second gear 33 is coaxially fixed to the support rod 23. The second gear 33 meshes with a first gear 24. The first gear 24 is coaxially fixed to a rotating shaft. The rotating shaft is rotatably connected to the side wall of the housing 3. One end of the rotating shaft passes through the side wall of the housing 3 and is fixedly connected to the measuring end of the angle sensor 1. The angle sensor 1 is fixed to the outer side wall of the housing 3 and is electrically connected to the display mechanism.

[0046] By setting the bearing 22 and the support rod 23, the damping of the measuring plate 15 during rotation can be reduced. In use, the measuring plate 15 is first unfolded, and the intelligent measuring ruler is placed inside the traction wheel 37 and pressed downwards, causing the measuring plate 15 to retract inwards. This also drives the support rod 23 to rotate, thereby driving the second gear 33, which is fixedly connected to the support rod 23, to rotate. Since the second gear 33 meshes with the first gear 24, it drives the first gear 24 to rotate. The first gear 24 is fixedly connected to the measuring end of the angle sensor 1, so that the angle sensor 1 records the unfolding angle of the measuring plate 15.

[0047] Further optimization of the scheme: the first angle measuring component includes an angle ruler 14 hinged to the side wall of the measuring plate 15. The angle ruler 14 is close to the top of the measuring plate 15. A torsion spring 27 is provided between the measuring plate 15 and the angle ruler 14. The end of the angle ruler 14 away from the measuring plate 15 extends into the interior of the housing 3. An angle observation hole 13 is provided on the outer side wall of the housing 3. The angle observation hole 13 is correspondingly provided with the angle ruler 14.

[0048] The torsion spring 27 facilitates the folding and storage of the angle ruler 14. When the measuring plate 15 extends outward, the angle ruler 14 unfolds under the action of the torsion spring 27. At the same time, angle observation holes 13 are provided on both sides of the outer shell 3, and the user can read the angle value at this time through the angle observation holes 13. When the measuring plate 15 is folded inward, the angle ruler 14 is stored in the outer shell 3 under the action of the torsion spring 27, thus making the measuring ruler more compact and portable.

[0049] Further optimization of the scheme: the elastic opening component includes a measuring plate support 2 fixedly connected to the side wall of the measuring plate 15, a telescopic outer rod 20 hinged to the measuring plate support 2, a telescopic inner rod 17 slidably connected inside the telescopic outer rod 20, a rotating ring fixedly connected to one end of the telescopic inner rod 17, a spring support rod 36 rotatably connected to the rotating ring, the spring support rod 36 fixedly connected to the inner side wall of the outer shell 3, and a first compression spring 19 provided between the rotating ring and the measuring plate support 2, the first compression spring 19 being sleeved on the outer side wall of the telescopic outer rod 20.

[0050] An inner rod retaining ring 18 is detachably connected to one end of the telescopic outer rod 20 away from the measuring plate support 2. A telescopic inner rod 17 is slidably connected inside the telescopic outer rod 20. The telescopic inner rod 17 is slidably connected to the inner rod retaining ring 18. One end of the telescopic inner rod 17 extending out of the inner rod retaining ring 18 is fixedly connected to the rotating ring. A first compression spring 19 is sleeved on the outer wall of the telescopic outer rod 20 and the telescopic inner rod 17. When the measuring plate 15 extends outward, under the action of the first compression spring 19, the telescopic outer rod 20 and the telescopic inner rod 17 slide relative to each other, causing the telescopic outer rod 20 to extend outward, thereby driving the measuring plate 15 to extend outward. When the intelligent measuring ruler is placed into the traction wheel 37 and pressed downward, the measuring plate 15 retracts inward, driving the telescopic outer rod 20 to retract inward. The first compression spring 19 is compressed, and the inner rod retaining ring 18 is used to limit the telescopic inner rod 17. When the smart measuring ruler retracts, the axis of the elastic opening component forms an angle with the vertical line of the smart measuring ruler as a whole, so that the measuring plate 15 can automatically unfold for the next use.

[0051] Further optimization of the scheme: The distance measuring mechanism includes a measuring rod 21 slidably connected to the bottom wall of the outer casing 3. One end of the measuring rod 21 extends into the interior of the outer casing 3 and is fitted with a second compression spring 32. One end of the second compression spring 32 is fixedly connected to a limit ring, which is coaxially fixed to the measuring rod 21. The other end of the second compression spring 32 is fixedly connected to an outer casing spring stop 26, which is fixedly connected to the inner wall of the outer casing 3. The measuring rod 21 is slidably connected inside the outer casing spring stop 26. The top end of the measuring rod 21 protrudes from the top surface of the outer casing spring stop 26 and is threadedly connected to a threaded connecting block 35. The top end of the threaded connecting block 35 is fixedly connected to one end of the rope of the distance sensor 30. The distance sensor 30 is electrically connected to the display mechanism and is fixedly connected to the outer casing truss 31, which is fixedly connected to the inner wall of the outer casing 3.

[0052] The intelligent measuring ruler is placed inside the traction wheel 37 and pressed downwards. At this time, the measuring rod 21 contacts the bottom of the groove of the traction wheel 37 and retracts inwards. Since the second compression spring 32 is fixedly connected to the outer shell spring stop 26, and the outer shell spring stop 26 is fixedly connected to the inner side wall of the outer shell 3, the second compression spring 32 is compressed. The distance sensor 30 records the retraction distance of the measuring rod 21. The retraction distance of the measuring rod 21 is read by the length value on the measuring rod 21. The wear measurement of the groove of the traction wheel 37 is completed.

[0053] The scheme is further optimized. The display mechanism includes a display screen 7 fixedly connected to the outer wall of the housing 3. The display screen 7 is electrically connected to a controller. The controller is electrically connected to a distance sensor 30 and an angle sensor 1. The outer wall of the housing 3 is provided with a first adjustment button 4, a second adjustment button 5, a power button 6, a position indicator light 8, and a power indicator light 9. The first adjustment button 4, the second adjustment button 5, the power button 6, the position indicator light 8, and the power indicator light 9 are all electrically connected to the controller. The position indicator light 8 and the power indicator light 9 are located above the display screen 7, and the first adjustment button 4, the second adjustment button 5, and the power button 6 are located below the display screen 7.

[0054] When in use, press the power button 6 to turn on the intelligent measuring ruler, and adjust the first adjustment button 4 or the second adjustment button 5 so that the value on the display screen 7 is the corresponding traction sheave groove diameter; after use, press the power button 6 to turn off the intelligent measuring ruler.

[0055] In a further optimized design, a handle 10 is detachably connected to the top of the outer casing 3. A buckle 11 is rotatably connected to the outer wall of the outer casing 3. The buckle 11 includes a rotating column 1102, which is rotatably connected to the outer casing 3. One end of the rotating column 1102 extends into the outer casing 3 and is coaxially fixed to a buckle base plate 1101. The diameter of the buckle base plate 1101 is larger than the diameter of the rotating column 1102. The other end of the rotating column 1102 is fixedly connected to a baffle 1104, which abuts against the outer wall of the measuring plate 15. A sliding column 1103 is fixedly connected to the side of the baffle 1104 near the outer casing 3. A sliding groove 12 is provided on the outer wall of the outer casing 3. The sliding groove 12 has an arc-shaped trajectory. The sliding column 1103 is slidably connected in the sliding groove 12. A battery compartment 28 is provided on the side wall of the outer casing 3. A battery cover 29 is detachably connected to the opening of the battery compartment 28.

[0056] The buckle 11 abuts against the outer wall of the measuring plate 15 to prevent the measuring plate 15 from detaching from the housing 3 when not in use. When in use, the buckles 11 on both sides of the housing 3 are rotated to the horizontal position, which allows the measuring plate 15 to extend outward.

[0057] To further optimize the design, a groove is provided on the outer side of the measuring plate 15, and a metal sheet 16 is fixedly connected in the groove. The metal sheet 16 abuts against the edge of the groove of the traction wheel 37, and the metal sheet 16 is electrically connected to the position indicator light 8.

[0058] The metal sheet 16 abuts against the edge of the groove of the traction wheel 37. Since the traction wheel 37 is made of metal, it forms a circuit with the metal sheet 16 circuit on the measuring plate 15. The position indicator light 8 lights up, and the display screen 7 displays the wear amount of the groove of the traction wheel 37.

[0059] Further optimization of the plan includes the following steps:

[0060] S1. Unfold the measuring plate 15 and vertically place the measuring ruler into the groove of the wheel to be measured;

[0061] S2. Measure the included angle using an angle measuring mechanism;

[0062] S3. Measure the contraction distance of the detection ruler by the distance measuring mechanism, and calculate the wear amount of the traction sheave 37 groove by combining the included angle;

[0063] S4. Return the angle measuring mechanism and distance measuring mechanism to their initial positions;

[0064] S5. Measurement complete.

[0065] In step S2, the rotation angle of the measuring plate 15 has been transmitted to the first gear 24 through the second gear 33, and the angle sensor 1 has acquired the angle θ.

[0066] Step S3 includes:

[0067] S3.1 The distance l1 from the rotation center of the second gear 33 to the side axis of the measuring plate 15 is known. The distance l2 from the rotation center of the second gear 33 to the side axis of the measuring plate 15 can be calculated by using trigonometric function formulas.

[0068] S3.2 Since the measuring plate 15 has thickness, the lower rope contact point of the traction sheave 37 does not contact the side axis of the measuring plate 15. Therefore, it is necessary to calculate the lateral compensation distance l4 of the thickness of the measuring plate 15, that is, the lateral distance from the lower rope contact point to the side axis of the measuring plate 15. The vertical distance l3 from the side of the measuring plate 15 to the central axis is known. The angle between the horizontal line from the lower rope contact point to the side axis of the measuring plate 15 and the horizontal line from the side of the measuring plate 15 to the central axis and the vertical line of the central axis is also θ. The lateral compensation distance l4 of the thickness of the measuring plate can be calculated by using trigonometric function formulas.

[0069] S3.3 The lateral distance of the rotation center groove boundary of the second gear 33 is known. After subtracting the distance from the rotation center of the second gear 33 to the rotation center of the measuring plate 15 from this lateral distance, the longitudinal distance L2 from the lower rope contact point to the rotation center of the measuring plate 15 can be calculated using trigonometric function formulas based on the rotation angle θ.

[0070] S3.4. The longitudinal distance from the rotation center of the measuring plate 15 to the bottom wall of the outer shell 3 is known to be L4. Since the total length L3 of the measuring part of the measuring rod 21 is known, and the bottom of the measuring rod 21 is in contact with the bottom of the groove of the traction wheel 37, the longitudinal displacement L5 of the zero scale line can be obtained through the distance sensor during measurement. The total length L3 of the measuring part of the measuring rod 21 minus the longitudinal displacement L5 of the zero scale line is the distance L6 from the bottom of the groove of the traction wheel 37 to the initial position of the zero scale line of the measuring rod 21.

[0071] S3.5 The wear amount is calculated by subtracting the wear amount from the wear amount of the unworn groove depth of the traction sheave 37.

[0072] The working process of this embodiment is as follows:

[0073] Press the power button 6 to turn on the smart measuring ruler. Rotate the buckles 11 on both sides of the outer shell 3 to the horizontal position. Extend the measuring plate 15 outward. Hold the handle 10 with one hand, put the smart measuring ruler into the traction wheel 37, and press it down.

[0074] The measuring plate 15 retracts inward, which also drives the support rod 23 to rotate, thereby driving the second gear 33 to rotate. Since the second gear 33 meshes with the first gear 24, it drives the first gear 24 to rotate. The angle sensor 1 records the unfolding angle of the measuring plate 15.

[0075] When the user presses the smart measuring ruler to the measuring position, since the traction wheel 37 is made of metal, it forms a circuit with the metal sheet 16, the position indicator 8 lights up, and the display screen 7 displays the wear amount of the traction wheel 37 groove. At the same time, the user can read the angle value at this time through the angle observation hole 13 on the housing 3, and then read the retraction distance of the measuring rod 21 by the length value on the measuring rod 21. The wear amount of the traction wheel 37 groove is then measured.

[0076] The user picks up the smart measuring ruler, and the measuring rod 21 returns to its initial position under the action of the second compression spring 32. The user presses the angle ruler 14 down and pushes the measuring plate 15 inward to its initial position. Then, the user rotates the buckle 11 to the vertical position and presses the power button 6. The power of the smart measuring ruler is turned off, and the usage process is completed.

[0077] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to 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 invention.

[0078] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. An intelligent ruler for detecting the wear degree of elevator traction sheave grooves, characterized in that, Includes an outer shell (3), on which an angle measuring mechanism is provided. The angle measuring mechanism includes two symmetrically arranged measuring plates (15), which are located on opposite sides of the outer shell (3). The bottom end of the measuring plate (15) is rotatably connected to the outer shell (3). A first angle measuring component and an elastic opening component are arranged sequentially from top to bottom between the measuring plate (15) and the outer shell (3). A second angle measuring component is provided at the bottom end of any of the measuring plates (15). A distance measuring mechanism is installed inside the outer shell (3). The distance measuring mechanism is arranged along the length direction of the outer shell (3), and the bottom end of the distance measuring mechanism extends out of the bottom end of the outer shell (3). A display mechanism is provided on the outer casing (3), and the distance measuring mechanism and the second angle measuring component are both electrically connected to the display mechanism; The bottom end of the measuring plate (15) is fixedly connected to a support rod (23). The two support rods (23) are symmetrically arranged. Both ends of the support rod (23) are coaxially rotatably connected to a bearing (22). One end of the support rod (23) passes through the outer shell (3) and is fixedly connected to an incomplete gear (39). The two incomplete gears (39) are meshed. The second angle measuring component includes a second gear (33) sleeved on any of the support rods (23), the second gear (33) being coaxially fixed to the support rod (23), the second gear (33) meshing with a first gear (24), the first gear (24) being coaxially fixed to a rotating shaft, the rotating shaft being rotatably connected to the side wall of the housing (3), one end of the rotating shaft passing through the side wall of the housing (3) and being fixedly connected to the measuring end of an angle sensor (1), the angle sensor (1) being fixed to the outer side wall of the housing (3), and the angle sensor (1) being electrically connected to the display mechanism; The first angle measuring component includes an angle ruler (14) hinged to the side wall of the measuring plate (15). The angle ruler (14) is close to the top of the measuring plate (15). A torsion spring (27) is provided between the measuring plate (15) and the angle ruler (14). One end of the angle ruler (14) away from the measuring plate (15) extends into the interior of the outer shell (3). An angle observation hole (13) is provided on the outer side wall of the outer shell (3). The angle observation hole (13) is correspondingly provided with the angle ruler (14). The elastic opening assembly includes a measuring plate support (2) fixedly connected to the side wall of the measuring plate (15), the measuring plate support (2) is hinged to a telescopic outer rod (20), the telescopic outer rod (20) is slidably connected to a telescopic inner rod (17), one end of the telescopic inner rod (17) is fixedly connected to a rotating ring, the rotating ring is rotatably connected to a spring support rod (36), the spring support rod (36) is fixedly connected to the inner side wall of the outer shell (3), a first compression spring (19) is provided between the rotating ring and the measuring plate support (2), the first compression spring (19) is sleeved on the outer side wall of the telescopic outer rod (20); The distance measuring mechanism includes a measuring rod (21) slidably connected to the bottom wall of the outer casing (3). One end of the measuring rod (21) extends into the interior of the outer casing (3) and is fitted with a second compression spring (32). One end of the second compression spring (32) is fixedly connected to a limit ring, which is coaxially fixed to the measuring rod (21). The other end of the second compression spring (32) is fixedly connected to an outer casing spring stop (26), which is fixedly connected to the inner wall of the outer casing (3). The measuring rod (21) is slidably connected inside the outer shell spring stop (26). The top end of the measuring rod (21) extends out of the top surface of the outer shell spring stop (26) and is threadedly connected to a threaded connecting block (35). The top end of the threaded connecting block (35) is fixedly connected to one end of the rope of the distance sensor (30). The distance sensor (30) is electrically connected to the display mechanism. The distance sensor (30) is fixedly connected to the outer shell truss (31). The outer shell truss (31) is fixedly connected to the inner wall of the outer shell (3).

2. The intelligent detection ruler for the wear degree of elevator traction sheave grooves according to claim 1, characterized in that, The display mechanism includes a display screen (7) fixedly connected to the outer wall of the housing (3). The display screen (7) is electrically connected to a controller. The controller is electrically connected to the distance sensor (30) and the angle sensor (1). The outer wall of the housing (3) is provided with a first adjustment button (4), a second adjustment button (5), a power button (6), a position indicator (8), and a power indicator (9). The first adjustment button (4), the second adjustment button (5), the power button (6), the position indicator (8), and the power indicator (9) are all electrically connected to the controller. The position indicator (8) and the power indicator (9) are located above the display screen (7), and the first adjustment button (4), the second adjustment button (5), and the power button (6) are located below the display screen (7).

3. The intelligent detection ruler for the wear degree of elevator traction sheave grooves according to claim 1, characterized in that, A handle (10) is detachably connected to the top of the outer casing (3). A buckle (11) is rotatably connected to the outer side wall of the outer casing (3). The buckle (11) includes a rotating column (1102), which is rotatably connected to the outer casing (3). One end of the rotating column (1102) extends into the outer casing (3) and is coaxially fixed to a buckle base plate (1101). The diameter of the buckle base plate (1101) is larger than the diameter of the rotating column (1102). The other end of the rotating column (1102) is fixedly connected to... There is a baffle (1104) that abuts against the outer wall of the measuring plate (15). A sliding column (1103) is fixedly connected to the side of the baffle (1104) near the outer shell (3). A sliding groove (12) is provided on the outer wall of the outer shell (3). The track of the sliding groove (12) is arc-shaped. The sliding column (1103) is slidably connected in the sliding groove (12). A battery compartment (28) is provided on the side wall of the outer shell (3). A battery cover (29) is detachably connected to the opening of the battery compartment (28).

4. The intelligent detection ruler for the wear degree of elevator traction sheave grooves according to claim 2, characterized in that, The measuring plate (15) has a groove on its outer side, and a metal sheet (16) is fixedly connected in the groove. The metal sheet (16) abuts against the edge of the groove of the traction wheel (37), and the metal sheet (16) is electrically connected to the position indicator light (8).

5. The detection method of the intelligent detection ruler for the wear degree of elevator traction sheave groove according to any one of claims 1-4, characterized in that, Includes the following steps: S1. Unfold the measuring plate (15) and vertically place the measuring ruler into the groove of the wheel to be measured; S2. Measure the included angle using an angle measuring mechanism; S3. Measure the shrinkage distance of the detection ruler by the distance measuring mechanism, and calculate the wear amount of the traction wheel (37) groove by combining the included angle; S4. Return the angle measuring mechanism and distance measuring mechanism to their initial positions; S5. Measurement complete.

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