Crane hook section detection device and method based on positioning

Abstract

The invention relates to the technical field of detection, and discloses a crane hook section detection device and method based on positioning, and solves the problem that workers need to repeatedly cooperate for operation, the crane hook section detection device comprises a base, the top of the base is fixedly connected with two side plates, and the two side plates are fixedly connected through a suspension pipe; the two ends of the hanging pipe are rotationally sleeved with rotating shells correspondingly, the side plates are provided with driving units matched with the rotating shells, movable bases are arranged above the rotating shells, and the rotating shells are provided with interval adjusting assemblies matched with the movable bases. The sides, close to each other, of the two movable seats are each provided with a detector body, the movable seats are provided with angle adjusting mechanisms matched with the detector bodies, and the side plates are provided with centering correction structures matched with the suspension pipes. And different positions on the lifting hook can be detected without repeatedly adjusting the position of the lifting hook by a worker, so that the convenience is improved.

Description

Technical Field

[0001] The invention belongs to the field of detection technology, and specifically relates to a crane hook section detection device and method based on positioning. Background Art

[0002] Cranes are typical engineering machinery equipment, and hooks are one of the core components of lifting equipment. When crane hooks are frequently subjected to wear, corrosion, high temperature, shear force, and bending force, they will cause cracks or even microscopic deformation in the crane hooks. Therefore, it is necessary to detect the cross-sectional wear of the hooks. Generally, ultrasonic imaging detectors are used to obtain three-dimensional information of a certain point on the hook surface. However, it is worth considering that each time a test is performed, the staff is required to place the hook centrally under the ultrasonic imaging detector. During the next test, the position of the hook needs to be adjusted so that different positions on the hook face the detector. This requires the staff to repeatedly cooperate in the operation, which is not convenient for promotion and use.

[0003] Therefore, in order to solve the above problems, a related facility that better meets the usage requirements is needed. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a positioning-based crane hook section detection device and method, which effectively solves the problem of requiring repeated cooperation of workers in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A positioning-based crane hook section detection device, comprising a base, the top of the base is fixedly connected to two side plates, the two side plates are fixedly connected through a suspension tube, both ends of the suspension tube are rotatably sleeved with a rotating shell, the side plates are equipped with a driving unit adapted to the rotating shell, a movable seat is provided above the rotating shell, and the rotating shell is equipped with a spacing adjustment component adapted to the movable seat; A detector body is respectively arranged on one side where the two movable seats are close to each other. The movable seat is equipped with an angle adjustment mechanism matched with the detector body, and the side plate is equipped with a centering correction structure matched with the suspension tube.

[0006] Preferably, the angle adjustment mechanism includes a rotating shaft arranged between the detector body and the movable seat, the outer rotating sleeve of the rotating shaft is provided with a first supporting part, the first supporting part and the movable seat are fixedly connected, and the detector body and the rotating shaft are fixedly connected, the two ends of the rotating shaft are respectively fixedly connected with a first gear, a tooth plate is provided above the first gear, and the tooth plate and the first gear are meshed, the movable seat is installed with an elastic member adapted to the tooth plate, and the side plate is installed with a pushing unit adapted to the tooth plate.

[0007] Preferably, the elastic member includes a second support portion fixedly mounted on the tooth plate, a first guide column passes through the second support portion, the first guide column and the movable seat are fixedly connected, a tension spring is sleeved on the outside of the first guide column, and both ends of the tension spring are respectively fixedly connected to the second support portion and the movable seat.

[0008] Preferably, the pushing unit includes support rings respectively arranged on the side close to the two side plates, a first support column is fixedly connected to the side of the tooth plate facing the movable seat, and the first support column passes through the movable seat, an end of the first support column away from the tooth plate is in contact with the support ring, and a plurality of first hydraulic telescopic rods are fixedly installed on the side plate, and the telescopic ends of the first hydraulic telescopic rods are fixedly connected to the support ring.

[0009] Preferably, the spacing adjustment assembly includes a slide plate fixedly mounted on the rotating shell, a slide groove is provided on the movable seat, and an end of the slide plate away from the rotating shell is located in the slide groove, the slide plate and the inner wall of the slide groove are connected by a plurality of first compression springs, an end of the movable seat away from the rotating shell is fixedly connected to a second support column, a movable sleeve is provided on the side where the two side plates are close to each other, a plurality of second hydraulic telescopic rods are fixedly mounted on the side plates, and the telescopic end of the second hydraulic telescopic rod is fixedly connected to the movable sleeve, an inclined surface matched with the second support column is provided on the inner wall of the movable sleeve, and an end of the second support column away from the movable seat is in contact with the inner wall of the movable sleeve.

[0010] Preferably, the driving unit comprises a first servo motor fixedly mounted on the side plate, the output end of the first servo motor is fixedly connected to the second gear, the outer fixed sleeve of the rotating shell is provided with a gear ring, and the gear ring is meshed with the second gear.

[0011] Preferably, the centered correction structure includes a bidirectional screw rod arranged in the hanging tube, the two ends of the bidirectional screw rod are respectively rotatably connected to the two side plates, the outer sleeve of the bidirectional screw rod is provided with two threaded sleeves, and the threads on the two threaded sleeves are in opposite directions, and the threaded sleeves are fixedly installed with two correction blocks, two rectangular holes are opened on the inner wall of the hanging tube, and the correction block passes through the corresponding rectangular holes, and the two sides of the correction block are respectively in contact with the inner walls of the two sides of the rectangular holes, a motor seat is provided above the base, and a second servo motor is fixedly installed on the motor seat, at least two unidirectional screw rods pass through the motor seat, the unidirectional screw rod is fixedly connected to the corresponding side plates, the outer sleeve of the unidirectional screw rod is provided with two nuts, and the two adjacent nuts are respectively in contact with the two sides of the motor seat, the output end of the second servo motor is installed with a transmission member compatible with the bidirectional screw rod, and the side plate is installed with a pressing unit for pressing the hook.

[0012] Preferably, the transmission member includes a first damping disk fixedly mounted on the bidirectional lead screw, and the output end of the second servo motor is fixedly connected to the second damping disk, and the second damping disk is in contact with the first damping disk.

[0013] Preferably, the pressing unit includes a top plate arranged above the base, the top of the side plate and the bottom of the top plate are fixedly connected, the top plate is fixedly installed with a third hydraulic telescopic rod, the telescopic end of the third hydraulic telescopic rod is fixedly connected with a movable plate located below the top plate, a pressing plate is provided below the movable plate, at least two second guide columns are fixedly connected to the top of the pressing plate, the top end of the second guide column passes through the movable plate, the outer sleeve of the second guide column is provided with a second compression spring, and the two ends of the second compression spring are respectively fixedly connected to the pressing plate and the movable plate.

[0014] The present invention also provides a method for detecting the cross section of a crane hook based on positioning, using the above-mentioned device for detecting the cross section of a crane hook based on positioning, comprising the following steps: Step 1: The staff hangs the hook to be tested on the hanging tube, and uses the centering correction structure to center the hook on the hanging tube; Step 2: adjusting the distance between the movable seat and the rotating shell through the distance adjustment component, thereby controlling the distance between the detector body and the hanging tube; Step 3: Change the inclination angle of the detector body relative to the movable seat through the angle adjustment mechanism so that the detector body faces the hook; Step 4: The driving unit drives the rotating shell to rotate relative to the suspension tube. The rotating shell drives the detector body to rotate synchronously through the movable seat. The detector body detects different positions on the hook.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The staff hangs the hook to be inspected on the hanging tube, and centers the hook on the hanging tube through the centering correction structure. The distance between the movable seat and the rotating shell is adjusted by the distance adjustment component, thereby controlling the distance between the detector body and the hanging tube. The inclination angle of the detector body relative to the movable seat is changed by the angle adjustment mechanism to make the detector body face the hook. The driving unit drives the rotating shell to rotate relative to the hanging tube, and the rotating shell drives the detector body to rotate synchronously through the movable seat. The detector body detects different positions on the hook, and the staff does not need to repeatedly adjust the position of the hook to detect different positions on the hook, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0017] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1A local enlarged schematic diagram of the middle A; Figure 3 It is a structural schematic diagram of a part of the top plate of the present invention; Figure 4 It is a structural schematic diagram of the suspension pipe of the present invention; Figure 5 It is a structural schematic diagram of the bidirectional screw rod of the present invention; Figure 6 It is a structural schematic diagram of the movable seat of the present invention; Figure 7 It is a schematic diagram of the structure of the slide plate and the slide groove separated from each other in the present invention; Figure 8 It is a structural schematic diagram of the rotating shaft of the present invention; Fig. 9 It is a structural schematic diagram of the tooth plate of the present invention.

[0018] In the figure: 1, base; 2, side plate; 3, suspension tube; 4, rotating shell; 5, movable seat; 6, detector body; 7, rotating shaft; 8, first support part; 9, first gear; 10, tooth plate; 11, first support column; 12, support ring; 13, first hydraulic telescopic rod; 14, second support part; 15, first guide column; 16, tension spring; 17, slide plate; 18, slide groove; 19, first compression spring; 20, second support column; 21, movable sleeve; 22, The second hydraulic telescopic rod; 23. The first servo motor; 24. The second gear; 25. The gear ring; 26. The bidirectional screw; 27. The threaded sleeve; 28. The correction block; 29. ​​The rectangular hole; 30. The first damping disk; 31. The motor seat; 32. The second servo motor; 33. The one-way screw; 34. The nut; 35. The top plate; 36. The movable plate; 37. The third hydraulic telescopic rod; 38. The pressing plate; 39. The second guide column; 40. The second compression spring; 41. The second damping disk. DETAILED DESCRIPTION

[0019] 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; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] Embodiment 1, by Figure 1 and Figure 6 The present invention comprises a base 1, the top of the base 1 is fixedly connected to two side plates 2, the two side plates 2 are fixedly connected via a hanging tube 3, both ends of the hanging tube 3 are rotatably sleeved with a rotating shell 4, the side plate 2 is installed with a driving unit adapted to the rotating shell 4, a movable seat 5 is provided above the rotating shell 4, and the rotating shell 4 is installed with a spacing adjustment component adapted to the movable seat 5; A detector body 6 is provided on one side where the two movable seats 5 are close to each other, and the movable seat 5 is equipped with an angle adjustment mechanism compatible with the detector body 6, and the side plate 2 is equipped with a centering correction structure compatible with the hanging tube 3; the staff hangs the hook to be inspected on the hanging tube 3, and centers the hook on the hanging tube 3 through the centering correction structure, adjusts the distance between the movable seat 5 and the rotating shell 4 through the distance adjustment component, and then controls the distance between the detector body 6 and the hanging tube 3, changes the inclination angle of the detector body 6 relative to the movable seat 5 through the angle adjustment mechanism, so that the detector body 6 faces the hook, drives the rotating shell 4 to rotate relative to the hanging tube 3 through the driving unit, and the rotating shell 4 drives the detector body 6 to rotate synchronously through the movable seat 5, and the detector body 6 detects different positions on the hook, and the staff does not need to repeatedly adjust the position of the hook to detect different positions on the hook, thereby improving convenience.

[0021] Embodiment 2, based on embodiment 1, Figure 1 , Figure 2 , Figure 4 , Figure 6 , Figure 7 , Figure 8 and Fig. 9The angle adjustment mechanism includes a rotating shaft 7 arranged between the detector body 6 and the movable seat 5, the outer rotating sleeve of the rotating shaft 7 is provided with a first supporting portion 8, the first supporting portion 8 and the movable seat 5 are fixedly connected, and the detector body 6 and the rotating shaft 7 are fixedly connected, the two ends of the rotating shaft 7 are respectively fixedly connected with a first gear 9, a tooth plate 10 is provided above the first gear 9, and the tooth plate 10 and the first gear 9 are meshed, the movable seat 5 is equipped with an elastic member adapted to the tooth plate 10, the side plate 2 is equipped with a pushing unit adapted to the tooth plate 10, and the elastic member includes a fixedly installed on the tooth plate 1 0, the second support portion 14 is penetrated by a first guide column 15, the first guide column 15 is fixedly connected to the movable seat 5, a tension spring 16 is sleeved on the outside of the first guide column 15, and the two ends of the tension spring 16 are respectively fixedly connected to the second support portion 14 and the movable seat 5, the pushing unit includes support rings 12 respectively arranged on the side close to the two side plates 2, the side of the tooth plate 10 facing the movable seat 5 is fixedly connected with a first support column 11, and the first support column 11 penetrates the movable seat 5, and the end of the first support column 11 away from the tooth plate 10 and the support The side plates 2 are fixedly mounted with a plurality of first hydraulic telescopic rods 13, and the telescopic ends of the first hydraulic telescopic rods 13 are fixedly connected to the support ring 12. The spacing adjustment assembly includes a slide plate 17 fixedly mounted on the rotating shell 4, a slide groove 18 is provided on the movable seat 5, and the end of the slide plate 17 away from the rotating shell 4 is located in the slide groove 18, and the inner wall of the slide plate 17 and the slide groove 18 are connected by a plurality of first compression springs 19, and the end of the movable seat 5 away from the rotating shell 4 is fixedly connected with a second support column 20, and the two side plates 2 are respectively provided with movable sleeves 21 on the sides close to each other. , the side plate 2 is fixedly mounted with a plurality of second hydraulic telescopic rods 22, and the telescopic ends of the second hydraulic telescopic rods 22 are fixedly connected to the movable sleeve 21, the inner wall of the movable sleeve 21 is provided with an inclined surface adapted to the second support column 20, and the end of the second support column 20 away from the movable seat 5 is in contact with the inner wall of the movable sleeve 21, the driving unit comprises a first servo motor 23 fixedly mounted on the side plate 2, the output end of the first servo motor 23 is fixedly connected with a second gear 24, the outer fixed sleeve of the rotating shell 4 is provided with a gear ring 25, and the gear ring 25 is meshed with the second gear 24; The initial state of the tension spring 16 is in the tension state, and the tension spring 16 applies tension to the second support part 14 and the tooth plate 10, so that the end of the first support column 11 away from the tooth plate 10 is always in close contact with the support ring 12, and the initial state of the first compression spring 19 is in the compression state, and the first compression spring 19 applies pressure to the movable seat 5, so that the end of the second support column 20 away from the movable seat 5 is in close contact with the inner wall of the movable sleeve 21, and the movable sleeve 21 is driven to move by the second hydraulic telescopic rod 22, and the end of the second support column 20 slides on the inclined surface of the movable sleeve 21, and the movable sleeve 21 pushes the second support column 20 and the movable seat 5 to slide relative to the slide plate 17 and the rotating shell 4, thereby changing the length of the slide plate 17 in the slide groove 18, thereby adjusting the distance between the detector body 6 and the suspension tube 3, and the movable seat 5 The end of the first support column 11 is driven to slide on the side of the support ring 12, and the support ring 12 is driven to move horizontally through the first hydraulic telescopic rod 13. The support ring 12 pushes the first support column 11 and the toothed plate 10 to slide relative to the movable seat 5. The toothed plate 10 drives the second support part 14 to slide relative to the first guide column 15. The length of the tension spring 16 becomes longer, and the toothed plate 10 drives the first gear 9 and the rotating shaft 7 to rotate. The rotating shaft 7 can drive the detector body 6 to rotate and change the inclination angle of the detector body 6. The second gear 24 is driven to rotate through the first servo motor 23. The second gear 24 can drive the rotating shell 4 and the slide plate 17 to rotate through the gear ring 25, so that the end of the first support column 11 slides on the side of the support ring 12, and the end of the second support column 20 slides on the inner wall of the movable sleeve 21.

[0022] Embodiment 3, based on embodiment 1, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5It is given that the centering correction structure includes a bidirectional screw rod 26 arranged in the hanging tube 3, and the two ends of the bidirectional screw rod 26 are rotatably connected to the two side plates 2 respectively. The outer sleeve of the bidirectional screw rod 26 is provided with two threaded sleeves 27, and the threads on the two threaded sleeves 27 are in opposite directions. The threaded sleeves 27 are fixedly installed with two correction blocks 28. Two rectangular holes 29 are provided on the inner wall of the hanging tube 3, and the correction blocks 28 pass through the corresponding rectangular holes 29. The two sides of the correction blocks 28 are respectively in contact with the inner walls of the two sides of the rectangular holes 29. A motor seat 31 is provided above the base 1, and a second servo motor 32 is fixedly installed on the motor seat 31. At least two unidirectional screw rods 33 are passed through the motor seat 31. The unidirectional screw rod 33 is fixedly connected to the corresponding side plate 2. The outer sleeve of the unidirectional screw rod 33 is provided with two nuts 34, and the two adjacent nuts 34 are respectively in contact with the two sides of the motor seat 31. The output end of the second servo motor 32 is installed with a screw rod 34 that is connected to the bidirectional screw rod 26 is adapted to the transmission member, the side plate 2 is equipped with a pressing unit for pressing the hook, the transmission member includes a first damping disk 30 fixedly installed on the bidirectional screw rod 26, the output end of the second servo motor 32 is fixedly connected with the second damping disk 41, and the second damping disk 41 is in contact with the first damping disk 30, the pressing unit includes a top plate 35 arranged above the base 1, the top of the side plate 2 and the bottom of the top plate 35 are fixedly connected, the top plate 35 is fixedly installed with a third hydraulic telescopic rod 37, the telescopic end of the third hydraulic telescopic rod 37 is fixedly connected with a movable plate 36 located below the top plate 35, a pressing plate 38 is provided below the movable plate 36, at least two second guide columns 39 are fixedly connected to the top of the pressing plate 38, the top end of the second guide column 39 passes through the movable plate 36, the outer sleeve of the second guide column 39 is provided with a second compression spring 40, and the two ends of the second compression spring 40 are respectively fixedly connected to the pressing plate 38 and the movable plate 36; The staff hangs the hook to be inspected on the hanging tube 3. When the hook shakes relative to the hanging tube 3, the third hydraulic telescopic rod 37 drives the movable plate 36 and the pressing plate 38 to move downward. When the pressing plate 38 abuts against the hook, as the movable plate 36 continues to move downward, the distance between the movable plate 36 and the pressing plate 38 becomes smaller, the second guide column 39 slides relative to the movable plate 36, the length of the second compression spring 40 becomes shorter, the second compression spring 40 applies pressure to the pressing plate 38, and the pressing plate 38 presses the hook to stop the hook from shaking relative to the hanging tube 3. The second damping disk 41 is driven to rotate by the second servo motor 32. The second damping disk 41 drives the first damping disk 30 and the bidirectional screw 26 to rotate synchronously through friction, and the bidirectional screw 26 drives the two threaded sleeves 27 to abut against each other. The threaded sleeve 27 drives the correction block 28 to slide relative to the rectangular hole 29, and the correction block 28 located outside the suspension tube 3 contacts the hook. The correction blocks 28 located on both sides of the hook push the hook to be suspended in the center. The second servo motor 32 drives the second damping disk 41 to rotate in the opposite direction, so that the correction blocks 28 located on both sides of the hook are no longer in contact with the hook. The staff drives the nut 34 located on the side of the motor base 31 away from the side plate 2 to rotate, so that the nut 34 is disengaged from the one-way screw rod 33, and the clamping of the motor base 31 is released. The staff drives the motor base 31 and the second servo motor 32 to move, so that the motor base 31 is disengaged from the one-way screw rod 33, and the second damping disk 41 is no longer in contact with the first damping disk 30, and the removal of the second servo motor 32 is completed.

[0023] A method for detecting a crane hook section based on positioning in this embodiment uses the above-mentioned device for detecting a crane hook section based on positioning, and includes the following steps: Step 1: The staff hangs the hook to be tested on the hanging tube 3, and uses the centering correction structure to center the hook on the hanging tube 3; Step 2: adjusting the distance between the movable seat 5 and the rotating shell 4 through the distance adjustment component, thereby controlling the distance between the detector body 6 and the hanging tube 3; Step 3: changing the inclination angle of the detector body 6 relative to the movable seat 5 through the angle adjustment mechanism so that the detector body 6 faces the hook; Step 4: The driving unit drives the rotating shell 4 to rotate relative to the hanging tube 3. The rotating shell 4 drives the detector body 6 to rotate synchronously through the movable seat 5. The detector body 6 detects different positions on the hook.

[0024] Working principle: the staff hangs the hook to be inspected on the hanging tube 3, and uses the centering correction structure to center the hook on the hanging tube 3. The distance between the movable seat 5 and the rotating shell 4 is adjusted by the distance adjustment component, thereby controlling the distance between the detector body 6 and the hanging tube 3. The angle adjustment mechanism changes the inclination angle of the detector body 6 relative to the movable seat 5, so that the detector body 6 faces the hook. The driving unit drives the rotating shell 4 to rotate relative to the hanging tube 3. The rotating shell 4 drives the detector body 6 to rotate synchronously through the movable seat 5. The detector body 6 detects different positions on the hook. The staff does not need to repeatedly adjust the position of the hook, and can detect different positions on the hook, thereby improving convenience. The initial state of the tension spring 16 is in the tension state, and the tension spring 16 applies tension to the second support part 14 and the tooth plate 10, so that the end of the first support column 11 away from the tooth plate 10 is always in close contact with the support ring 12, and the initial state of the first compression spring 19 is in the compression state, and the first compression spring 19 applies pressure to the movable seat 5, so that the end of the second support column 20 away from the movable seat 5 is in close contact with the inner wall of the movable sleeve 21, and the movable sleeve 21 is driven to move by the second hydraulic telescopic rod 22, and the end of the second support column 20 slides on the inclined surface of the movable sleeve 21, and the movable sleeve 21 pushes the second support column 20 and the movable seat 5 to slide relative to the slide plate 17 and the rotating shell 4, thereby changing the length of the slide plate 17 in the slide groove 18, thereby adjusting the distance between the detector body 6 and the suspension tube 3, and the movable seat 5 The end of the first support column 11 is driven to slide on the side of the support ring 12, and the support ring 12 is driven to move in the horizontal direction by the first hydraulic telescopic rod 13. The support ring 12 pushes the first support column 11 and the toothed plate 10 to slide relative to the movable seat 5. The toothed plate 10 drives the second support portion 14 to slide relative to the first guide column 15. The length of the tension spring 16 becomes longer, and the toothed plate 10 drives the first gear 9 and the rotating shaft 7 to rotate. The rotating shaft 7 can drive the detector body 6 to rotate and change the inclination angle of the detector body 6. The second gear 24 is driven to rotate by the first servo motor 23. The second gear 24 can drive the rotating shell 4 and the slide plate 17 to rotate through the gear ring 25, so that the end of the first support column 11 slides on the side of the support ring 12, and the end of the second support column 20 slides on the inner wall of the movable sleeve 21; The staff hangs the hook to be inspected on the hanging tube 3. When the hook shakes relative to the hanging tube 3, the third hydraulic telescopic rod 37 drives the movable plate 36 and the pressing plate 38 to move downward. When the pressing plate 38 abuts against the hook, as the movable plate 36 continues to move downward, the distance between the movable plate 36 and the pressing plate 38 becomes smaller, the second guide column 39 slides relative to the movable plate 36, the length of the second compression spring 40 becomes shorter, the second compression spring 40 applies pressure to the pressing plate 38, and the pressing plate 38 presses the hook to stop the hook from shaking relative to the hanging tube 3. The second damping disk 41 is driven to rotate by the second servo motor 32. The second damping disk 41 drives the first damping disk 30 and the bidirectional screw 26 to rotate synchronously through friction, and the bidirectional screw 26 drives the two threaded sleeves 27 to abut against each other. The threaded sleeve 27 drives the correction block 28 to slide relative to the rectangular hole 29, and the correction block 28 located outside the suspension tube 3 contacts the hook. The correction blocks 28 located on both sides of the hook push the hook to be suspended in the center. The second servo motor 32 drives the second damping disk 41 to rotate in the opposite direction, so that the correction blocks 28 located on both sides of the hook are no longer in contact with the hook. The staff drives the nut 34 located on the side of the motor base 31 away from the side plate 2 to rotate, so that the nut 34 is disengaged from the one-way screw rod 33, and the clamping of the motor base 31 is released. The staff drives the motor base 31 and the second servo motor 32 to move, so that the motor base 31 is disengaged from the one-way screw rod 33, and the second damping disk 41 is no longer in contact with the first damping disk 30, and the removal of the second servo motor 32 is completed.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning-based crane hook section detection device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to two side plates (2), the two side plates (2) are fixedly connected via a suspension tube (3), both ends of the suspension tube (3) are rotatably sleeved with a rotating shell (4), the side plates (2) are mounted with a driving unit that matches the rotating shell (4), a movable seat (5) is arranged above the rotating shell (4), and a spacing adjustment component that matches the movable seat (5) is mounted on the rotating shell (4); A detector body (6) is provided on each side of the two movable seats (5) adjacent to each other. The movable seats (5) are provided with an angle adjustment mechanism matched with the detector body (6). The side plates (2) are provided with a centering correction structure matched with the suspension tube (3).

2. A positioning-based crane hook section detection device according to claim 1, characterized in that: The angle adjustment mechanism comprises a rotating shaft (7) arranged between a detector body (6) and a movable seat (5); an outer rotating sleeve of the rotating shaft (7) is provided with a first supporting portion (8); the first supporting portion (8) and the movable seat (5) are fixedly connected; the detector body (6) and the rotating shaft (7) are fixedly connected; both ends of the rotating shaft (7) are respectively fixedly connected with a first gear (9); a tooth plate (10) is provided above the first gear (9); the tooth plate (10) and the first gear (9) are meshed; an elastic member matched with the tooth plate (10) is installed on the movable seat (5); and a pushing unit matched with the tooth plate (10) is installed on the side plate (2).

3. A positioning-based crane hook section detection device according to claim 2, characterized in that: The elastic member comprises a second support portion (14) fixedly mounted on the tooth plate (10), a first guide column (15) passing through the second support portion (14), the first guide column (15) and the movable seat (5) being fixedly connected, a tension spring (16) being sleeved on the outside of the first guide column (15), and two ends of the tension spring (16) being fixedly connected to the second support portion (14) and the movable seat (5), respectively.

4. A positioning-based crane hook section detection device according to claim 2, characterized in that: The pushing unit comprises support rings (12) respectively arranged on the sides close to the two side plates (2); a first support column (11) is fixedly connected to the side of the tooth plate (10) facing the movable seat (5), and the first support column (11) passes through the movable seat (5); an end of the first support column (11) away from the tooth plate (10) is in contact with the support ring (12); a plurality of first hydraulic telescopic rods (13) are fixedly installed on the side plate (2), and the telescopic ends of the first hydraulic telescopic rods (13) are fixedly connected to the support ring (12).

5. The positioning-based crane hook section detection device according to claim 1 is characterized in that: The spacing adjustment assembly comprises a slide plate (17) fixedly mounted on the rotating shell (4); a slide groove (18) is provided on the movable seat (5); an end of the slide plate (17) away from the rotating shell (4) is located in the slide groove (18); the inner wall of the slide plate (17) and the slide groove (18) are connected by a plurality of first compression springs (19); an end of the movable seat (5) away from the rotating shell (4) is fixedly connected to a second support column (20); a movable sleeve (21) is provided on each side of the two side plates (2) adjacent to each other; a plurality of second hydraulic telescopic rods (22) are fixedly mounted on the side plates (2); the telescopic ends of the second hydraulic telescopic rods (22) are fixedly connected to the movable sleeve (21); an inclined surface matching the second support column (20) is provided on the inner wall of the movable sleeve (21); and an end of the second support column (20) away from the movable seat (5) contacts the inner wall of the movable sleeve (21).

6. The positioning-based crane hook section detection device according to claim 1, characterized in that: The drive unit comprises a first servo motor (23) fixedly mounted on the side plate (2); an output end of the first servo motor (23) is fixedly connected to a second gear (24); an outer fixed sleeve of the rotating shell (4) is provided with a gear ring (25), and the gear ring (25) is meshed with the second gear (24).

7. The positioning-based crane hook section detection device according to claim 1 is characterized in that: The centering correction structure comprises a bidirectional screw rod (26) arranged in the suspension tube (3), the two ends of the bidirectional screw rod (26) are respectively rotatably connected to the two side plates (2), the outer sleeve of the bidirectional screw rod (26) is provided with two threaded sleeves (27), and the threads on the two threaded sleeves (27) are in opposite directions, and the threaded sleeves (27) are fixedly mounted with two correction blocks (28), the inner wall of the suspension tube (3) is provided with two rectangular holes (29), and the correction blocks (28) pass through the corresponding rectangular holes (29), and the two sides of the correction blocks (28) are respectively connected to the inner walls of the rectangular holes (29). A motor base (31) is provided above the base (1), a second servo motor (32) is fixedly mounted on the motor base (31), at least two one-way screws (33) are passed through the motor base (31), the one-way screws (33) are fixedly connected to the corresponding side plates (2), two nuts (34) are sleeved on the outside of the one-way screws (33), two adjacent nuts (34) are respectively in contact with two sides of the motor base (31), a transmission member adapted to the two-way screw (26) is installed at the output end of the second servo motor (32), and a pressing unit for pressing the hook is installed on the side plate (2).

8. The positioning-based crane hook section detection device according to claim 7, characterized in that: The transmission member comprises a first damping disc (30) fixedly mounted on a bidirectional lead screw (26); an output end of a second servo motor (32) is fixedly connected to a second damping disc (41), and the second damping disc (41) is in contact with the first damping disc (30).

9. The positioning-based crane hook section detection device according to claim 7, characterized in that: The pressing unit comprises a top plate (35) arranged above the base (1); the top of the side plate (2) and the bottom of the top plate (35) are fixedly connected; a third hydraulic telescopic rod (37) is fixedly installed on the top plate (35); the telescopic end of the third hydraulic telescopic rod (37) is fixedly connected to a movable plate (36) located below the top plate (35); a pressing plate (38) is arranged below the movable plate (36); at least two second guide columns (39) are fixedly connected to the top of the pressing plate (38); the top end of the second guide column (39) passes through the movable plate (36); a second compression spring (40) is sleeved on the outside of the second guide column (39); and the two ends of the second compression spring (40) are respectively fixedly connected to the pressing plate (38) and the movable plate (36).

10. A method for detecting a crane hook section based on positioning, using the device for detecting a crane hook section based on positioning as claimed in claim 1, characterized in that: The following steps are involved: Step 1: The staff hangs the hook to be inspected on the hanging tube (3), and uses the centering correction structure to center the hook on the hanging tube (3); Step 2: adjusting the distance between the movable seat (5) and the rotating shell (4) by means of the distance adjustment component, thereby controlling the distance between the detector body (6) and the hanging tube (3); Step 3: changing the inclination angle of the detector body (6) relative to the movable seat (5) by means of the angle adjustment mechanism so that the detector body (6) faces the hook; Step 4: The driving unit drives the rotating shell (4) to rotate relative to the suspension tube (3), and the rotating shell (4) drives the detector body (6) to rotate synchronously through the movable seat (5). The detector body (6) detects different positions on the hook.

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