Special tool for measuring bending degree of crimping pipe of power transmission line

Abstract

The invention discloses a special tool for measuring the curvature of a crimping pipe of a power transmission line, which relates to the technical field of measuring tools and comprises a connecting plate, and a measuring mechanism is arranged at the top of the connecting plate. According to the invention, the moving seat moves on one side of the guide frame, the pneumatic finger drives the clamping blocks to move, the symmetrically arranged clamping blocks clamp the guide rod and limit the moving seat, and through the synchronous movement of the moving seat and the mounting seat, the measurement position of the laser distance measuring sensor is changed, and the overall time consumption is shortened; the height difference between the bottom of the laser distance measuring sensor and the pipeline is obtained through the laser distance measuring sensor, errors during measurement can be reduced, and therefore the accuracy degree of data during measurement is improved, the second spring telescopic rod and the first spring telescopic rod can adjust the using height of the movable frame and the using height of the cleaning strip correspondingly, and therefore the attaching effect of the cleaning strip and the pipeline is improved; after cleaning, residues of stains and impurities on the surface of the pipeline are reduced, so that interference of the stains and the impurities during measurement is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of measuring tools, in particular to a special tool for measuring the curvature of a crimping tube of a power transmission line. Background Art

[0002] The transmission line crimping tube is an important hardware used to connect the conductors or lightning conductors in the transmission line. It is usually made of high-strength aluminum alloy or copper alloy. It has good conductivity and mechanical strength and can withstand various external forces such as tension, pressure, bending force, etc. during the operation of the transmission line.

[0003] For example, Chinese patent CN210664319U discloses a tool for measuring the curvature of crimped tubes for overhead power transmission lines, comprising a main body, a handle connected to the top of the rear wall of the main body, a transverse slide rail arranged on the top of the front wall of the main body, two fixing bolts arranged at both ends of the groove of the transverse slide rail, nut female seats are fixedly connected to the left and right ends of the groove of the transverse slide rail through the two fixing bolts, fixing rods are arranged in the middle cavities of the two nut female seats, the inner cavity of the transverse slide rail is connected to the slide rail base, the front wall of the slide rail base is connected to the detection scale, and the left and right sides of the bottom end of the main body are connected to the clamp detection scale through the longitudinal slide rail and the transverse slide rail on the main body.

[0004] In the above patent, although the problem of long measurement time and the need for cooperation of operators is solved by fixing rods and slide rails, there are reading errors when manual estimation is performed through the detection scale. When measuring, the scale needs to be double-adjusted in the horizontal and vertical directions. When the number of detection points is large, the overall measurement time is increased. Summary of the invention

[0005] The purpose of the present invention is to provide a special tool for measuring the curvature of a transmission line crimping tube, so as to solve the problem proposed in the above-mentioned background technology that when manual estimation is performed through a detection scale, there is a reading error, and when measuring, the scale needs to be double adjusted in the horizontal and vertical directions. When the number of detection points is large, the time consumption of the overall measurement is increased.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a special tool for measuring the curvature of a crimped tube of a power transmission line, comprising a connecting plate, a measuring mechanism is arranged on the top of the connecting plate, the measuring mechanism comprises a motor 1, a laser ranging sensor and a pneumatic finger, one side of the motor 1 is fixedly connected to a guide frame, one side of the guide frame is fixedly connected to a reinforcing rib, one side of the reinforcing rib is fixedly connected to the connecting plate, one side of the guide frame is rotatably connected to a lead screw 1, one end of the lead screw 1 is fixedly connected to an output shaft of the motor 1, the lead screw 1 is connected to a moving seat by a thread, the moving seat is slidably connected to the guide frame, one side of the moving seat is engaged with a mounting seat, the laser ranging sensor is embedded in the mounting seat, the top of the moving seat is fixedly connected to the pneumatic finger, one end of the pneumatic finger is fixedly connected to a connecting piece, the bottom of the connecting piece is arranged with a connecting strip, one side of the connecting strip is fixedly connected to two clamping blocks, one top of one of the clamping blocks is fixedly connected to the connecting piece, and one side of the clamping block is fixedly connected to an anti-sliding block.

[0007] Preferably, a guide rod is inserted through the interior of the movable seat, one end of the guide rod is fixedly connected to the guide frame, one side of the guide frame is fixedly connected to a limit plate, and the limit plate is penetrated by the guide rod.

[0008] Preferably, a second support plate is clamped on one side of the connecting plate, a calibration plate is slidably connected inside the second support plate, the calibration plate is connected to a threaded rod via threads, and one end of the threaded rod is rotationally connected to the second support plate.

[0009] Preferably, a mounting bracket is fixedly connected to one side of the connecting plate, a supporting plate is snap-connected to the top of the mounting bracket, and a limiting member is snap-connected to the top of the supporting plate.

[0010] Preferably, there are two groups of the limiting members, each group of the limiting members has two limiting members, and a limiting bolt is provided between the two limiting members via a threaded connection.

[0011] Preferably, a cleaning assembly is provided on one side of the connecting plate, and the cleaning assembly includes a movable frame, a cleaning strip and an auxiliary part. A spring telescopic rod 2 is fixedly connected to the bottom of the movable frame, the bottom of the spring telescopic rod 2 is fixedly connected to the bottom of the inner cavity of the auxiliary part, and the movable frame is slidably connected to the inner wall of the auxiliary part.

[0012] Preferably, a spring telescopic rod 1 is fixedly connected to one side of the movable frame, and the bottom of the spring telescopic rod 1 is fixedly connected to a cleaning strip, and the cleaning strip is arc-shaped.

[0013] Preferably, one side of the auxiliary component is slidably connected to a support plate 1, one side of the support plate 1 is fixedly connected to a connecting plate, and the bottom of the support plate 1 is fixedly connected to a motor 2.

[0014] Preferably, one end of the output shaft of the motor 2 is fixedly connected to a gear 2, one side of the gear 2 is meshed with a gear 1, the bottom of the gear 1 passes through the support plate 1, and the gear 1 and the gear 2 are both rotatably connected to the support plate 1.

[0015] Preferably, a lead screw 2 is inserted through the interior of the gear 1, one end of the lead screw 2 is rotatably connected to the support plate 1, and the lead screw 2 is connected to the auxiliary component through a threaded connection.

[0016] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the movable seat is connected to the lead screw 1 by a threaded connection, one side of the mounting seat is snap-connected with the movable seat, the lead screw 1 is driven to rotate by a motor 1, the movable seat moves on one side of the guide frame, the pneumatic finger drives the clamping block to move, the guide rod is clamped by the symmetrically arranged clamping blocks, and the movable seat is limited, and the measuring position of the laser ranging sensor can be changed by the synchronous movement of the movable seat and the mounting seat without manual adjustment, and the overall time consumption can be shortened when the number of detection points is large, and the height difference between the bottom of the laser ranging sensor and the pipeline is obtained by the laser ranging sensor, which can reduce the error during measurement, thereby improving the accuracy of the data during measurement.

[0017] In the present invention, one side of the mounting frame is fixedly connected to the connecting plate, and the bottom of the limiting member is engaged with the supporting plate. The pipeline is placed in the supporting plate, the bottom of the limiting member is engaged with the supporting plate, and the limiting bolt is rotated to connect the limiting members on both sides to fix the pipeline. The supporting plate and the limiting member can realize the limiting fixation of the pipeline, and the displacement during pipeline measurement can be reduced. The calibration plate is driven to move by the threaded rod, which can assist in the position calibration of the two ends of the pipeline and reduce the position offset during pipeline measurement.

[0018] 3. In the present invention, the movable frame and the auxiliary part are slidably connected, the second lead screw is inserted into the first gear, the second motor is used to drive the second gear to rotate, the first gear and the second lead screw rotate synchronously, and the auxiliary part is driven to move along the first support plate, and the movement of the movable frame and the cleaning strip is used to clean the surface of the pipeline, and the use height of the movable frame and the cleaning strip can be adjusted respectively by the second spring telescopic rod and the first spring telescopic rod, thereby improving the fitting effect of the cleaning strip and the pipeline, reducing the residual stains and impurities on the surface of the pipeline after cleaning, and thereby reducing the interference of stains and impurities during measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a special tool for measuring the curvature of a crimped tube for a power transmission line according to the present invention; Figure 2 It is a schematic diagram of the installation of the limiter structure of the special tool for measuring the curvature of the crimped tube of the power transmission line of the present invention; Figure 3 It is a schematic diagram of the installation of the threaded rod structure of the special tool for measuring the curvature of the crimping tube of the power transmission line of the present invention; Figure 4 A schematic diagram of the installation structure of a support plate of a special tool for measuring the curvature of a crimped tube for a power transmission line according to the present invention; Figure 5 It is a schematic diagram of the installation of the limit plate structure of the special tool for measuring the curvature of the crimped tube of the power transmission line of the present invention; Figure 6 It is a schematic diagram of the connection between the moving base and the pneumatic finger structure of the special tool for measuring the curvature of the crimped tube of the power transmission line of the present invention; Figure 7 The present invention is a schematic diagram of the installation of the connecting strip structure of the special tool for measuring the curvature of the crimping tube of the power transmission line.

[0020] In the figure: 1. Measuring mechanism; 11. Motor 1; 12. Guide frame; 121. Reinforcement rib; 122. Limit plate; 13. Moving seat; 14. Lead screw 1; 15. Mounting seat; 16. Laser ranging sensor; 17. Guide rod; 18. Pneumatic finger; 19. Connector; 2. Connecting plate; 3. Cleaning assembly; 31. Moving frame; 32. Spring telescopic rod 1; 33. Support plate 1; 34. Gear 1; 341. Lead screw 2; 35. Motor 2; 36. Gear 2; 37. Cleaning strip; 38. Spring telescopic rod 2; 39. Auxiliary parts; 4. Mounting frame; 41. Support plate; 42. Limit piece; 43. Limit bolt; 5. Calibration plate; 51. Support plate 2; 52. Threaded rod; 6. Connecting strip; 61. Anti-sliding block; 62. Clamping block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1: Reference Figure 1-Figure 7As shown: a special tool for measuring the curvature of a crimped tube of a transmission line, comprising a connecting plate 2, a measuring mechanism 1 is arranged on the top of the connecting plate 2, the measuring mechanism 1 comprises a motor 11, a laser distance measuring sensor 16 and a pneumatic finger 18, a guide frame 12 is fixedly connected to one side of the motor 11, a reinforcing rib 121 is fixedly connected to one side of the guide frame 12, one side of the reinforcing rib 121 is fixedly connected to the connecting plate 2, a lead screw 14 is rotatably connected to one side of the guide frame 12, one end of the lead screw 14 is fixedly connected to the output shaft of the motor 11, the lead screw 14 is connected to a moving seat 13 through a thread, the moving seat 13 is slidably connected to the guide frame 12, and the moving seat 13 is connected to the guide frame 12. A mounting seat 15 is engaged on the side, and a laser ranging sensor 16 is embedded in the mounting seat 15. The top of the moving seat 13 is fixedly connected to the pneumatic finger 18, and one end of the pneumatic finger 18 is fixedly connected to a connecting piece 19. A connecting strip 6 is provided at the bottom of the connecting piece 19, and one side of the connecting strip 6 is fixedly connected to two clamping blocks 62, one of which is fixedly connected to the connecting piece 19 at the top, and an anti-sliding block 61 is fixedly connected to one side of the clamping block 62. A guide rod 17 is inserted through the inside of the moving seat 13, and one end of the guide rod 17 is fixedly connected to the guide frame 12, and one side of the guide frame 12 is fixedly connected to a limit plate 122, and the limit plate 122 is penetrated by the guide rod 17.

[0023] In this example, the reinforcing rib 121 can be used to achieve the connection between the guide frame 12 and the connecting plate 2, so that the connecting plate 2 is used to support and reinforce one side of the guide frame 12, thereby improving the stability of the guide frame 12 when in use, and the limit plate 122 can be used to limit the movement range of the movable seat 13, and the motor 11 can be used to provide power for the rotation of the lead screw 14. The guide frame 12 can support one end of the lead screw 14 when the lead screw 14 rotates, and the movable seat 13 can be driven to move along the guide frame 12 through the threaded connection between the movable seat 13 and the lead screw 14. When the movable seat 13 moves, two symmetrically arranged guide rods 17 can guide the movable seat 13, thereby improving the stability of the movable seat 13 when moving, and the laser ranging sensor 16 can be installed on one side of the movable seat 13 through the mounting seat 15. Then, when the movable seat 13 moves, the laser ranging sensor 16 can move synchronously with the movable seat 13, and the laser can be used to move the movable seat 13. The optical ranging sensor 16 can detect the distance between the laser ranging sensor 16 and the top of the pipeline, thereby assisting in calculating the curvature of the pipeline according to the change in the detected distance. The movable seat 13 can be used to support the bottom of the pneumatic finger 18. The two clamping jaws of the pneumatic finger 18 can be connected to the clamping block 62 through the connecting piece 19, so that when the pneumatic finger 18 drives the clamping jaws to move, the distance between the two connecting pieces 19 is changed, thereby achieving the approach or distance between the two clamping blocks 62. The two vertical clamping blocks 62 can be connected by the connecting strip 6 to facilitate the synchronous movement of the two clamping blocks 62 and the connecting piece 19. The anti-slip block 61 can improve the anti-slip effect of the inner wall of the clamping block 62. When the guide rod 17 is clamped and fixed by the clamping block 62, the sliding of the guide rod 17 is reduced, thereby ensuring the limiting effect of the movable seat 13, and then the pipeline is measured after the movable seat 13 is limited, thereby ensuring the stability of the movable seat 13 during measurement.

[0024] Embodiment 2: According to Figure 1-Figure 3 As shown, a support plate 2 51 is engaged with one side of the connecting plate 2, and a calibration plate 5 is slidably connected inside the support plate 2 51. The calibration plate 5 is connected with a threaded rod 52 through a thread, and one end of the threaded rod 52 is rotatably connected to the support plate 2 51. A mounting frame 4 is fixedly connected to one side of the connecting plate 2, and a support plate 41 is engaged with the top of the mounting frame 4, and a limiting member 42 is engaged with the top of the support plate 41. There are two groups of limiting members 42, and each group of limiting members 42 has two limiting members, and a limiting bolt 43 is connected between the two limiting members 42 through a thread.

[0025] In this embodiment, the connecting plate 2 can be used to support one side of the support plate 2 51, so as to facilitate the installation and removal of the support plate 2 51 on one side of the connecting plate 2. The support plate 2 51 can be used to guide the movement of the calibration plate 5. The rotation of the threaded rod 52 can drive the calibration plate 5 to move inside the support plate 2 51, thereby changing the distance between the calibration plate 5 and one end of the pipeline. The calibration plate 5 is used to apply a force to one end of the pipeline to drive the one end of the pipeline to move so that the distance between the two ends of the pipeline and the calibration plate 5 is the same, thereby realizing the position calibration of the pipeline and reducing the position deviation during pipeline fixation and detection. The mounting frame 4 can support and reinforce the bottom of the support plate 41. The support plate 41 can assist in the initial placement of the pipeline on one side of the connecting plate 2. The support plate 41 can also be used to guide the installation of the limit member 42. The limit member 42 can be connected by the limit bolt 43, so that the support plate 41 and the limit member 42 can be used to realize the limit fixation of the pipeline, ensuring that the pipeline remains stable during detection.

[0026] Embodiment 3: According to Figure 1-Figure 4 As shown, a cleaning assembly 3 is provided on one side of the connecting plate 2, and the cleaning assembly 3 includes a moving frame 31, a cleaning strip 37 and an auxiliary member 39. A spring telescopic rod 2 38 is fixedly connected to the bottom of the moving frame 31, and the bottom of the spring telescopic rod 2 38 is fixedly connected to the bottom of the inner cavity of the auxiliary member 39, and the moving frame 31 is slidably connected to the inner wall of the auxiliary member 39. A spring telescopic rod 1 32 is fixedly connected to one side of the moving frame 31, and the bottom of the spring telescopic rod 1 32 is fixedly connected to the cleaning strip 37. The cleaning strip 37 is arc-shaped. A support plate 1 33 is slidably connected to one side of the auxiliary member 39. One side of the support plate 33 is fixedly connected to the connecting plate 2, and a motor 2 35 is fixedly connected to the bottom of the support plate 33, one end of the output shaft of the motor 2 35 is fixedly connected to a gear 2 36, one side of the gear 2 36 is meshed with a gear 1 34, the bottom of the gear 1 34 passes through the support plate 1 33, and the gear 1 34 and the gear 2 36 are both rotatably connected to the support plate 1 33, a lead screw 2 341 is inserted through the inside of the gear 1 34, one end of the lead screw 2 341 is rotatably connected to the support plate 1 33, and the lead screw 2 341 is connected to the auxiliary part 39 by a threaded connection.

[0027] In this embodiment, the support plate 1 33 can be used to guide the movement of the auxiliary member 39, and the auxiliary member 39 can be used to support the bottom of the mobile frame 31. The two ends of the spring telescopic rod 2 38 are respectively connected to the mobile frame 31 and the auxiliary member 39, and the insertion depth of the mobile frame 31 inside the auxiliary member 39 can be adjusted, thereby changing the use height of the mobile frame 31. The spring telescopic rod 1 32 can be used to connect the mobile frame 31 and the cleaning strip 37, so that the use height of the cleaning strip 37 can be adjusted by telescoping the spring telescopic rod 1 32, thereby improving the fitting effect of the cleaning strip 37 and the pipeline. The motor 2 35 can be used for the gear 2 36 The rotation of gear 2 36 is provided with power, and the meshing between gear 1 34 and gear 1 34 can realize the synchronous rotation of gear 1 34 and lead screw 2 341 when gear 2 36 rotates. When lead screw 2 341 rotates, support plate 1 33 can support one end of lead screw 2 341 to ensure the stability of lead screw 2 341 when rotating. Lead screw 2 341 can provide power for the movement of auxiliary part 39, thereby changing the use position of auxiliary part 39 on one side of support plate 1 33. The top of the pipeline can be cleaned by moving the cleaning strip 37 to reduce the residue of stains and impurities on the top of the pipeline, thereby ensuring the measurement effect of the rear pipeline.

[0028] The method of use and working principle of the device are as follows: first, place the transmission line crimping tube to be inspected on the support plate 41 and overlap it with the inner wall of the support plate 41, then install the limiter 42 on the top of the support plate 41, rotate the threaded rod 52 on one side of the calibration plate 5, drive the threaded rod 52 to move to the side close to the calibration plate 5, adjust the positions of the two calibration plates 5, make one side of the calibration plate 5 overlap with one end of the pipe, so as to calibrate the position of the pipe, use the support plate 41 and the limiter 42 to wrap the outer annular surface of the pipe, then rotate the limiter bolt 43, connect the two limiters 42, and fix the pipe, at this time use the motor 2 35 to drive the gear 2 36 rotates, gear 2 36 drives gear 1 34 and lead screw 2 341 to rotate, and the threaded connection between lead screw 2 341 and auxiliary member 39 is utilized to drive the part of auxiliary member 39 inserted into support plate 1 33 to move along support plate 1 33, so as to realize the synchronous movement of mobile frame 31 and auxiliary member 39. During the movement, spring telescopic rod 2 38 and spring telescopic rod 1 32 respectively adjust the use height of mobile frame 31 and cleaning bar 37, so that the inner wall of cleaning bar 37 fits with the outer annular surface of the pipeline. During the movement of cleaning bar 37, the outer annular surface of the pipeline is cleaned, so as to reduce the residue of impurities such as stains and debris on the outer annular surface of the pipeline; After the cleaning is completed, the motor 11 is used to drive the lead screw 14 to rotate, and the lead screw 14 drives the moving seat 13 to move along the guide rod 17. When the moving seat 13 moves, the mounting seat 15 and the laser ranging sensor 16 move synchronously with the moving seat 13. The center position of the bottom of the laser ranging sensor 16 and the center position of the longitudinal section of the pipeline are on the same axis. When the moving seat 13 reaches the specified measuring position, the pneumatic finger 18 is used to drive the clamping block 62 to move to the side close to the guide rod 17. The two clamping blocks 62 clamp the guide rod 17 to achieve the limit fixation of the moving seat 13. At this time, the laser ranging sensor 16 is used to detect the height from the laser ranging sensor 16 to the top of the pipeline, and then the moving seat 13 moves to the next measuring position, and the height from the laser ranging sensor 16 to the top of the pipeline is continuously obtained. The curvature of the pipeline can be obtained by calculation based on the obtained height difference data, and the curvature of the pipeline can be measured. After the measurement, the pipeline can be taken out from one side of the connecting plate 2.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A special tool for measuring the curvature of a transmission line crimping tube, comprising a connecting plate (2), characterized in that: A measuring mechanism (1) is arranged on the top of the connecting plate (2), and the measuring mechanism (1) comprises a motor (11), a laser distance measuring sensor (16) and a pneumatic finger (18); one side of the motor (11) is fixedly connected to a guide frame (12); one side of the guide frame (12) is fixedly connected to a reinforcing rib (121); one side of the reinforcing rib (121) is fixedly connected to the connecting plate (2); one side of the guide frame (12) is rotatably connected to a lead screw (14); one end of the lead screw (14) is fixedly connected to an output shaft of the motor (11); the lead screw (14) is threadedly connected to a movable seat (13); the movable seat (13) is fixedly connected to the guide frame (12); The seat (13) is slidably connected to the guide frame (12); a mounting seat (15) is engaged on one side of the movable seat (13); the laser distance sensor (16) is embedded in the mounting seat (15); the top of the movable seat (13) is fixedly connected to the pneumatic finger (18); one end of the pneumatic finger (18) is fixedly connected to a connecting piece (19); a connecting strip (6) is provided at the bottom of the connecting piece (19); one side of the connecting strip (6) is fixedly connected to two clamping blocks (62); the top of one of the clamping blocks (62) is fixedly connected to the connecting piece (19); and one side of the clamping block (62) is fixedly connected to an anti-sliding block (61).

2. The transmission line crimp tube bending measurement tool according to claim 1 is characterized by: A guide rod (17) is inserted through the interior of the movable seat (13); one end of the guide rod (17) is fixedly connected to the guide frame (12); one side of the guide frame (12) is fixedly connected to a limit plate (122); the limit plate (122) is penetrated by the guide rod (17).

3. The special tool for measuring the curvature of the crimped tube of a power transmission line according to claim 1 is characterized in that: A second support plate (51) is engaged with one side of the connection plate (2), a calibration plate (5) is slidably connected inside the second support plate (51), the calibration plate (5) is threadedly connected to a threaded rod (52), and one end of the threaded rod (52) is rotatably connected to the second support plate (51).

4. The special tool for measuring the curvature of the crimped tube of a power transmission line according to claim 1, characterized in that: A mounting frame (4) is fixedly connected to one side of the connection plate (2), a support plate (41) is snap-fitted to the top of the mounting frame (4), and a limiting member (42) is snap-fitted to the top of the support plate (41).

5. The special tool for measuring the curvature of the crimped tube of a power transmission line according to claim 4, characterized in that: There are two groups of the limiting members (42), each group of the limiting members (42) has two limiting members (42), and the two limiting members (42) are connected by a limiting bolt (43) via a threaded connection.

6. The special tool for measuring the curvature of the crimped tube of a power transmission line according to claim 1, characterized in that: A cleaning assembly (3) is provided on one side of the connecting plate (2), and the cleaning assembly (3) comprises a movable frame (31), a cleaning strip (37) and an auxiliary component (39); a second spring telescopic rod (38) is fixedly connected to the bottom of the movable frame (31); the bottom of the second spring telescopic rod (38) is fixedly connected to the bottom of the inner cavity of the auxiliary component (39); and the movable frame (31) and the inner wall of the auxiliary component (39) are slidably connected.

7. The special tool for measuring the curvature of the crimped tube of a power transmission line according to claim 6, characterized in that: A spring telescopic rod (32) is fixedly connected to one side of the movable frame (31); the bottom of the spring telescopic rod (32) is fixedly connected to a cleaning strip (37); and the cleaning strip (37) is arc-shaped.

8. The special tool for measuring the curvature of the crimped tube of a power transmission line according to claim 6, characterized in that: One side of the auxiliary component (39) is slidably connected to a support plate 1 (33), one side of the support plate 1 (33) is fixedly connected to a connecting plate (2), and a motor 2 (35) is fixedly connected to the bottom of the support plate 1 (33).

9. The special tool for measuring the curvature of the crimped tube of a power transmission line according to claim 8, characterized in that: One end of the output shaft of the motor 2 (35) is fixedly connected to the gear 2 (36), one side of the gear 2 (36) is meshed with the gear 1 (34), the bottom of the gear 1 (34) passes through the support plate 1 (33), and the gear 1 (34) and the gear 2 (36) are both rotatably connected to the support plate 1 (33).

10. The special tool for measuring the curvature of the crimped tube of a power transmission line according to claim 9, characterized in that: A second lead screw (341) is inserted through the interior of the first gear (34), one end of the second lead screw (341) is rotatably connected to the first support plate (33), and the second lead screw (341) is connected to the auxiliary component (39) via a threaded connection.

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