Cable reel lifting appliance for cable laying

Abstract

The invention belongs to the technical field of lifting, and particularly relates to a cable reel lifting appliance for cable laying, which comprises a supporting plate, a plurality of lifting rings are transversely arranged and fixedly connected to the upper end surface of the supporting plate, a sliding rail is fixedly connected to the lower end of the supporting plate, adjusting rods are slidably connected to the two sides of the sliding rail, and adjusting plates are rotatably arranged at the lower ends of the adjusting rods. The adjusting plate is provided with a multi-position clamping assembly used for fixing a cable reel. The multi-position clamping assembly comprises a plurality of sliding blocks which are transversely arranged and arranged on the adjusting plate in a sleeving mode, the distance between every two adjacent sliding blocks is the same, and the sliding block at the foremost end is fixedly connected with the adjusting plate. According to the cable reel lifting device, the multiple cable reels arranged on the conveying belt are lifted at the same time through the multi-position clamping assembly, the multiple clamping blocks can be aligned to the cable reels at the same time only through one-time adjustment, the adjustment process is simple, and the lifting efficiency can be improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of hoisting, and specifically relates to a cable reel sling for cable laying. Background Art

[0002] A cable reel is a device specifically used for winding and storing cables. Cable laying refers to the process of laying and installing cables along a predetermined path to form a cable line. During cable laying, the cable reel is usually transported to a designated location by hoisting for laying to avoid the low efficiency and safety risks caused by manual handling. The sling can fix the cable reel for subsequent hoisting.

[0003] The patent with publication number CN118529587B discloses a large cable reel hoisting sling with adjustable width, belonging to the technical field of cable hoisting. It includes a hoisting frame, on which there is a longitudinally movable hoisting device, and two groups of hoisting devices are arranged on the hoisting frame; balance adjustment devices are installed on both sides of the hoisting frame; a connecting lead screw is longitudinally installed inside the hoisting frame, and the driving threads on both sides of the connecting lead screw are arranged in opposite helix directions, and the two groups of hoisting devices are respectively threadedly fitted and installed on both sides of the connecting lead screw; a driving mechanism is installed at one longitudinal end of the hoisting frame, and the output end of the driving mechanism is connected to the connecting lead screw; a hoisting plate is slidably connected to the hoisting frame, and the upper end of the pull rod is longitudinally slidably connected to the hoisting plate; a hoisting part is provided in the middle of the hoisting plate. This patent provides a large cable reel hoisting sling with adjustable width, which has stable hoisting and remote operation, avoiding potential hazards during hoisting.

[0004] However, the above technical solution still has the following deficiencies in actual application: When the cable reel needs to be lifted, the cable reel is first fixed by the clamping structure on the sling, and then lifted by a crane. However, in some cases, the cable reels to be hoisted are transported to the crane after the previous process, and multiple cable reels of the same specification are attached to each other and arranged neatly on the conveyor belt. When the sling fixes the cable reels on the conveyor belt, only one cable reel can be fixed. Therefore, it is necessary to hoist the cable reels on the conveyor belt multiple times, which is rather troublesome and affects the hoisting efficiency. When multiple slings are added to fix multiple cable reels at one time, although the cable reels are arranged neatly on the conveyor belt, the distance between the axles of two adjacent cable reels depends on their own diameters. Therefore, when different batches of cable reels need to be hoisted, it is necessary to adjust the positions of the slings one by one according to the distance between the axles of two adjacent cable reels so that each sling is aligned with the cable reel to achieve simultaneous fixation of multiple cable reels. The entire adjustment process is rather cumbersome and affects the hoisting efficiency. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the present invention provides a cable reel sling for cable laying.

[0006] The technical solution adopted by the present invention to solve its technical problems is as follows: A cable reel sling for cable laying includes a support plate. A plurality of lifting rings are horizontally arranged and fixedly connected to the upper end surface of the support plate. A slide rail is fixedly connected to the lower end of the support plate. Adjusting rods are slidably connected to both sides of the slide rail. An adjusting plate is rotatably arranged at the lower end of the adjusting rod. A multi-position clamping assembly for fixing the cable reel is arranged on the adjusting plate. The multi-position clamping assembly includes a plurality of sliders arranged horizontally and sleeved on the adjusting plate, and the distance between adjacent sliders is the same. The foremost slider is fixedly connected to the adjusting plate, and the remaining sliders are slidably connected to the adjusting plate. A clamping block is rotatably arranged on one side of the slider. Worms are rotatably arranged at both ends on the upper side of the slider. One end of the clamping block is fixedly connected to a worm gear. The worm gear is rotatably arranged on the slider, and the worm gear meshes with the worm.

[0007] Preferably, a bidirectional threaded rod is rotatably arranged at both ends of the slide rail. Both sides of the bidirectional threaded rod are threadedly connected to the upper ends of the adjusting rods. A first motor is fixedly connected to one end of the slide rail. The output end of the first motor is fixedly connected to one end of the bidirectional threaded rod.

[0008] Preferably, a first rod body is rotatably arranged on one side of the foremost and the rearmost sliders, and a second rod body is rotatably arranged on one side of the remaining sliders. One end of the first rod body is rotatably connected to one end of the second rod body, and the ends of adjacent second rod bodies are rotatably connected.

[0009] Preferably, a third threaded rod is threadedly connected to one side of the rearmost slider. One end of the third threaded rod is rotatably arranged on the adjusting plate. A fifth motor is fixedly connected to one end of the adjusting plate. The output end of the fifth motor is fixedly connected to one end of the third threaded rod.

[0010] Preferably, a second motor is fixedly connected to one side of the lower end of the adjusting rod. The output end of the second motor is fixedly connected to one side of the adjusting plate.

[0011] Preferably, a convex block rod and a sleeve are respectively fixedly connected to both ends of the worm. Adjacent convex block rods and sleeves are inserted and slidably connected through key grooves, and both the convex block rod and the sleeve are rotatably arranged on the slider. A seventh motor is fixedly connected to one side of the foremost slider. The output end of the seventh motor is fixedly connected to one end of the worm.

[0012] Preferably, a placement protection assembly is further arranged on the adjusting plate. The placed protection component includes a threaded block slidably connected to one side of the adjustment plate. One side of the threaded block is rotatably provided with a protection plate. One side of the protection plate is provided with a buffer pad. One side of the protection plate is slidably connected with a displacement block through a chute. Both sides of the displacement block are slidably connected with sliding columns. One end of each sliding column is fixedly connected with a scraper. An alarm is provided on one side of the adjustment plate.

[0013] Preferably, a second threaded rod is threadedly connected to one side of the threaded block. Both ends of the second threaded rod are rotatably provided on the adjustment plate. A fourth motor is fixedly connected to one side of the adjustment plate. The output end of the fourth motor is fixedly connected to one end of the second threaded rod. A third motor is fixedly connected to one side of the threaded block. The output end of the third motor is fixedly connected to one end of the protection plate.

[0014] Preferably, a first threaded rod is threadedly connected to one side of the displacement block. Both ends of the first threaded rod are rotatably provided on the protection plate. A sixth motor is fixedly connected to one side of the protection plate through a mounting block. The output end of the sixth motor is fixedly connected to one end of the first threaded rod.

[0015] Preferably, a spring is sleeved on one side of the sliding column. One end of the spring is fixedly connected to the scraper, and the other end is fixedly connected to one side of the displacement block. A pressing rod is fixedly connected to one side of the scraper. A pressure sensor is provided on one side of the displacement block.

[0016] The beneficial effects of the present invention are as follows: 1. For the cable reel hoist for cable laying of the present invention, by using the multi-position clamping component, the simultaneous lifting of multiple cable reels arranged on the conveyor belt is realized. Moreover, through only one adjustment, multiple clamping blocks can be simultaneously aligned with the cable reels, and the adjustment process is relatively simple, which is beneficial to improving the lifting efficiency.

[0017] 2. For the cable reel hoist for cable laying of the present invention, multiple cable reels fixed by the clamping blocks can be changed from a horizontal arrangement to a vertical stacked state, thus avoiding the situation that after multiple cable reels are hoisted to the designated position, workers still need to manually adjust them to the stacked state, which is relatively convenient.

[0018] 3. For a cable reel lifting tool used for cable laying according to the present invention, by using the placement protection component, when multiple cable reels are changed to a stacked state, the protection plate is located below the cable reel at the lowermost side. When the cable reel approaches the placement area, if the clamping block moves away from the cable reel in advance due to careless operation, the cable reel will fall onto the protection plate and be buffered by the buffer pad, thereby avoiding the situation that due to the careless operation of the crane, the clamping block releases the cable reel prematurely, and then due to the large falling distance of the cable reel, the cable reel at the bottom layer is subjected to a large impact force, resulting in damage to the cable reel at the bottom layer. Moreover, before the protection plate is reset, the scraper can be driven to slide at the bottom of the protection plate, and the scraper scrapes the plane of the placement area, so that the foreign objects on the surface of the placement platform can be pushed away, providing a relatively flat placement area for the cable reel, thereby avoiding the situation that the cable reel topples due to contact with foreign objects, further affecting the normal placement. And if there are protrusions on the placement platform that cannot be removed by scraping, when the scraper contacts the protrusions, the protrusions will hinder the passage of the scraper, resulting in the contact between the pressure rod and the pressure sensor. When the pressure sensor detects a pressure signal, the alarm sounds, reminding the staff that the cable reel cannot be placed here and to replace the placement area, thereby avoiding the situation that the cable reel topples because the worker fails to notice the protrusions that cannot be scraped on the placement platform and still places the cable reel here, further ensuring the smooth placement of the cable reel. Brief Description of the Drawings

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a three-dimensional structural schematic diagram at the protection plate; Figure 3 is Figure 2 partial enlarged view at A in Figure 4 is Figure 2 partial enlarged view at B in Figure 5 is a three-dimensional structural schematic diagram at the support plate; Figure 6 is a three-dimensional structural schematic diagram at the buffer pad; Figure 7 is a three-dimensional structural schematic diagram of the clamping block; Figure 8 is a three-dimensional structural schematic diagram of the second threaded rod; Figure 9 is a three-dimensional structural schematic diagram at the adjusting plate; Figure 10 is Figure 9 partial enlarged view at C in Figure 11 is Figure 9 partial enlarged view at D in

[0021] In the figure: 1, support plate; 2, lifting ring; 3, bidirectional threaded rod; 4, motor 1; 5, adjusting rod; 6, motor 2; 7, adjusting plate; 8, protective plate; 9, scraper; 10, threaded rod 1; 11, motor 3; 12, alarm; 13, motor 4; 14, threaded rod 2; 15, threaded block; 16, displacement block; 17, sliding column; 18, spring; 19, pressing rod; 20, pressure sensor; 21, buffer pad; 22, rod body 1; 23, rod body 2; 24, motor 5; 25, threaded rod 3; 26, clamping block; 27, worm gear; 28, slide rail; 29, mounting block; 30, chute; 31, motor 6; 32, worm; 33, convex block rod; 34, sleeve; 35, motor 7; 36, slider. Detailed implementation mode

[0022] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 - 11 , the present invention provides a technical solution: a cable reel lifting device for cable laying, including a support plate 1. A plurality of lifting rings 2 are horizontally arranged and fixedly connected to the upper end surface of the support plate 1. A slide rail 28 is fixedly connected to the lower end of the support plate 1. Both sides of the slide rail 28 are slidably connected with adjusting rods 5. The lower end of the adjusting rod 5 is rotatably provided with an adjusting plate 7. A multi-position clamping assembly for fixing the cable reel is arranged on the adjusting plate 7; The multi-position clamping assembly includes a plurality of sliders 36 that are horizontally arranged and sleeved on the adjusting plate 7, and the distance between adjacent sliders 36 is the same. The frontmost slider 36 is fixedly connected to the adjusting plate 7, and the remaining sliders 36 are slidably connected to the adjusting plate 7. One side of the slider 36 is rotatably provided with a clamping block 26. Both upper ends of the slider 36 are rotatably provided with worms 32. One end of the clamping block 26 is fixedly connected with a worm gear 27. The worm gear 27 is rotatably arranged on the slider 36, and the worm gear 27 meshes with the worm 32.

[0024] In this embodiment, as Figure 1 , Figure 5 , Figure 9 , Figure 10 shown, both ends of the slide rail 28 are rotatably provided with a bidirectional threaded rod 3. Both sides of the bidirectional threaded rod 3 are threadedly connected to the upper ends of the adjusting rods 5. One end of the slide rail 28 is fixedly connected with a motor 1, and the output end of the motor 1 is fixedly connected to one end of the bidirectional threaded rod 3.

[0025] A rod body one 22 is rotatably arranged on one side of the frontmost and rearmost sliders 36, and a rod body two 23 is rotatably arranged on one side of the remaining sliders 36. One end of the rod body one 22 is rotatably connected to one end of the rod body two 23, and the ends of adjacent rod bodies two 23 are rotatably connected.

[0026] A threaded rod three 25 is threadedly connected to one side of the rearmost slider 36. One end of the threaded rod three 25 is rotatably arranged on the adjusting plate 7. One end of the adjusting plate 7 is fixedly connected to a motor five 24, and the output end of the motor five 24 is fixedly connected to one end of the threaded rod three 25.

[0027] Specifically, in the prior art, when a cable reel needs to be lifted, the cable reel is first fixed by the clamping structure on the lifting tool, and then lifted by a crane. However, in some cases, the cable reels to be lifted are conveyed to the crane by the previous process, and multiple cable reels of the same specification are attached to each other and neatly arranged on the conveyor belt. When the lifting tool fixes the cable reels on the conveyor belt, only one cable reel can be fixed. Therefore, it is necessary to lift the cable reels on the conveyor belt multiple times, which is rather troublesome and affects the lifting efficiency. When multiple cable reels are fixed at one time by increasing the number of lifting tools, although the cable reels are neatly arranged on the conveyor belt, the distance between the centers of adjacent two cable reels depends on their own diameters. Therefore, when different batches of cable reels need to be lifted, it is necessary to adjust the positions of the lifting tools one by one according to the distance between the centers of adjacent two cable reels so that each lifting tool is aligned with the cable reel, and then the simultaneous fixation of multiple cable reels can be achieved. The whole adjustment process is rather cumbersome and affects the lifting efficiency. Therefore, to solve the above problems, when this embodiment is in use, the lifting ring 2 is connected to the lifting end of the crane, and the support plate 1 is located above the conveyor belt. At this time, multiple cable reels on the conveyor belt are attached to each other and neatly arranged horizontally. By adjusting the orientation of the support plate 1, the frontmost clamping block 26 is located above the frontmost cable reel, and the clamping block 26 is located on both sides of the cable reel. Then, by driving the threaded rod three 25 to rotate through the motor five 24, the rearmost slider 36 slides on the adjusting plate 7. At the same time, under the transmission of the rod body one 22 and the rod body two 23, the remaining sliders 36 also slide, and the distance between adjacent sliders 36 changes until all the clamping blocks 26 are located on both sides of the cable reel. Then, the clamping blocks 26 are driven to descend and aligned with the edges of the cable reels. Then, by driving the bidirectional threaded rod 3 to rotate through the motor one 4, the two adjusting rods 5 are driven to slide and approach each other simultaneously, and the cable reels are clamped by the clamping blocks 26. At this time, multiple cable reels are simultaneously clamped by multiple clamping blocks 26, and then the crane lifts the support plate 1, thus realizing the simultaneous lifting of multiple cable reels arranged on the conveyor belt. Moreover, only through one adjustment, multiple clamping blocks 26 can be simultaneously aligned with the cable reels, and the adjustment process is rather simple, which is beneficial to improving the lifting efficiency.

[0028] In this embodiment, asFigure 1 , Figure 8 , Figure 11 As shown in Figure 11 , on one side of the lower end of the adjusting rod 5, a second motor 6 is fixedly connected, and the output end of the second motor 6 is fixedly connected to one side of the adjusting plate 7.

[0029] Both ends of the worm 32 are respectively fixedly connected with a convex block rod 33 and a sleeve 34. The adjacent two convex block rods 33 and sleeves 34 are inserted and slidably connected through key grooves, and both the convex block rod 33 and the sleeve 34 are rotatably arranged on the slider 36. On one side of the frontmost slider 36, a seventh motor 35 is fixedly connected, and the output end of the seventh motor 35 is fixedly connected to one end of the worm 32.

[0030] Specifically, in the above embodiment, although multiple cable reels can be clamped simultaneously, during the hoisting process of multiple cable reels, they are still arranged horizontally. In some cases, when the cable reels are hoisted to the designated position, it is necessary to stack multiple cable reels for subsequent use. However, multiple cable reels that reach the designated position still need to be adjusted to the stacked state by workers, which is rather troublesome. Therefore, to solve the above problems, when in use in this embodiment, after the cable reel is lifted, the second motors 6 on both sides can be started simultaneously to drive the adjusting plate 7 to rotate by 90 degrees, so that multiple cable reels are arranged longitudinally. Since the distance between adjacent sliders 36 changes, the convex block rod 33 and the sleeve 34 will also slide relative to each other to adapt to the change in the distance between adjacent sliders 36. Then, start the seventh motor 35. The seventh motor 35 drives the worm 32 on one side to rotate. Then, with the cooperation of multiple convex block rods 33 and sleeves 34, multiple worms 32 will rotate simultaneously, and multiple worm wheels 27 and clamping blocks 26 will also rotate simultaneously to flip the cable reel so that its plane is in a horizontal state. Then, reduce the distance between adjacent cable reels again until the planes of adjacent cable reels are in contact, so that multiple cable reels can be in a stacked state, thus avoiding the situation that after multiple cable reels are hoisted to the designated position, workers still need to manually adjust them to the stacked state, which is more convenient.

[0031] In this embodiment, as Figures 2 - 4 , Figure 6 shown, a placement protection component is further provided on the adjusting plate 7; The placement protection component includes a threaded block 15 slidably connected to one side of the adjusting plate 7. A protection plate 8 is rotatably arranged on one side of the threaded block 15. A buffer pad 21 is arranged on one side of the protection plate 8. A displacement block 16 is slidably connected to one side of the protection plate 8 through a chute 30. Both sides of the displacement block 16 are slidably connected with sliding columns 17. One end of the sliding column 17 is fixedly connected with a scraping plate 9. An alarm 12 is arranged on one side of the adjusting plate 7.

[0032] One side of the threaded block 15 is threadedly connected to the second threaded rod 14. Both ends of the second threaded rod 14 are rotatably arranged on the adjusting plate 7. One side of the adjusting plate 7 is fixedly connected to the fourth motor 13. The output end of the fourth motor 13 is fixedly connected to one end of the second threaded rod 14. One side of the threaded block 15 is fixedly connected to the third motor 11. The output end of the third motor 11 is fixedly connected to one end of the protective plate 8.

[0033] One side of the displacement block 16 is threadedly connected to the first threaded rod 10. Both ends of the first threaded rod 10 are rotatably arranged on the protective plate 8. One side of the protective plate 8 is fixedly connected to the sixth motor 31 through the mounting block 29. The output end of the sixth motor 31 is fixedly connected to one end of the first threaded rod 10.

[0034] One side of the sliding column 17 is sleeved with a spring 18. One end of the spring 18 is fixedly connected to the scraping plate 9, and the other end is fixedly connected to one side of the displacement block 16. One side of the scraping plate 9 is fixedly connected to a pressure rod 19. A pressure sensor 20 is arranged on one side of the displacement block 16.

[0035] Specifically, in the above embodiment, although multiple horizontally arranged cable reels can be changed into vertical stacking during the hoisting process, when the stacked cable reels are placed at the designated position, the cable reel at the bottom is subjected to a relatively large pressure. And if the cable reel falls a large distance due to the careless operation of the crane, the cable reel at the bottom will be subjected to a large impact force, so the cable reel at the bottom is easily damaged; Therefore, to solve the above problems, when this embodiment is in use, after multiple cable reels are changed into the stacked state, the fourth motor 13 is used to drive the second threaded rod 14 to rotate, so that the threaded block 15 slides on the adjusting plate 7 until the protective plate 8 is lower than the lowermost cable reel. Then, the third motor 11 is used to drive the protective plate 8 to rotate so that the protective plate 8 is below the lowermost cable reel. Then, the support plate 1 is driven to descend, and the cable reel approaches the placement area. If the clamping block 26 moves away from the cable reel prematurely due to careless operation, the cable reel will fall onto the protective plate 8 and be buffered by the buffer pad 21, thus avoiding the situation that the clamping block 26 loosens the cable reel prematurely due to the careless operation of the crane, and further avoiding the damage of the cable reel at the bottom due to the large impact force on the cable reel at the bottom caused by the large falling distance of the cable reel. If there is no operational error, the protective plate 8 resets to provide a placement space for the cable reel. And in some cases, there may be some particulate impurities or other movable foreign objects on the plane of the cable reel placement area. If the cable reel is directly placed here, it is likely to tip over due to contact with foreign objects, affecting normal placement. Therefore, to avoid this problem, before the protective plate 8 resets, the scraper 9 can be driven to fit the plane of the cable reel placement area. The motor six 31 drives the first threaded rod 10 to rotate, causing the scraper 9 to slide at the bottom of the protective plate 8. The scraper 9 scrapes the plane of the placement area, and the foreign objects on the surface of the placement platform can be pushed away, providing a relatively flat placement area for the cable reel, thus avoiding the situation where the cable reel tips over due to contact with foreign objects and further affecting normal placement; Moreover, in some cases, there are uneven protrusions on the surface of the placement platform, and these protrusions are relatively firm and cannot be removed by pushing. If the worker does not notice and directly places the cable reel here, it will still cause the cable reel to tip over. Therefore, to avoid this problem, if there are protrusions on the placement platform that cannot be removed by scraping, when the scraper 9 contacts the protrusions, the protrusions will prevent the scraper 9 from passing through, resulting in the pressure rod 19 contacting the pressure sensor 20. When the pressure sensor 20 detects a pressure signal, the alarm 12 sounds to remind the staff that the cable reel cannot be placed here and to change the placement area, thus avoiding the situation where the cable reel tips over because the worker does not notice the non-scrapable protrusions on the placement platform and still places the cable reel here, further ensuring the smooth placement of the cable reel.

[0036] Working principle: The sling ring 2 is connected to the hoisting end of the crane, and the support plate 1 is positioned above the conveyor belt. At this time, multiple cable reels on the conveyor belt are in contact with each other and arranged neatly horizontally. By adjusting the orientation of the support plate 1, the frontmost clamping block 26 is positioned above the frontmost cable reel, and the clamping block 26 is located on both sides of the cable reel. Then, by driving the rotation of the threaded rod three 25 with the motor five 24, the rearmost slider 36 slides on the adjusting plate 7. At the same time, under the transmission of the rod body one 22 and the rod body two 23, the other sliders 36 also slide, and the distance between adjacent sliders 36 changes until all the clamping blocks 26 are located on both sides of the cable reel. Then, the clamping block 26 is driven to descend and aligned with the edge of the cable reel. Then, by driving the rotation of the bidirectional threaded rod 3 with the motor one 4, the two adjusting rods 5 are driven to slide and approach each other simultaneously, and the cable reel is clamped by the clamping block 26. At this time, multiple cable reels are simultaneously clamped by multiple clamping blocks 26, and then the crane hoists the support plate 1, thus realizing the simultaneous hoisting of multiple cable reels arranged on the conveyor belt. Moreover, through only one adjustment, multiple clamping blocks 26 can be simultaneously aligned with the cable reels, and the adjustment process is relatively simple, which is conducive to improving the hoisting efficiency. When the cable reel is hoisted, the motors two 6 on both sides can be started simultaneously to drive the adjusting plate 7 to rotate by ninety degrees, so that multiple cable reels are arranged longitudinally. Since the distance between adjacent sliders 36 changes, the convex block rod 33 and the sleeve 34 will also slide relative to each other to adapt to the change in the distance between adjacent sliders 36. Then, the motor seven 35 is started, and the motor seven 35 drives the worm 32 on one side to rotate. Then, with the cooperation of multiple convex block rods 33 and sleeves 34, multiple worms 32 rotate simultaneously, and multiple worm wheels 27 and clamping blocks 26 also rotate simultaneously to turn the cable reel so that its plane is in a horizontal state. Then, the distance between adjacent cable reels is reduced again until the planes of adjacent cable reels are in contact, so that multiple cable reels are in a stacked state, thus avoiding the situation that after multiple cable reels are hoisted to the designated position, workers still need to manually adjust them to the stacked state, which is relatively convenient. When multiple cable reels are in a stacked state, the motor four 13 drives the threaded rod two 14 to rotate, so that the threaded block 15 slides on the adjusting plate 7 until the protective plate 8 is lower than the lowermost cable reel. Then, the motor three 11 drives the protective plate 8 to rotate so that the protective plate 8 is located below the lowermost cable reel. Then, the support plate 1 is driven to descend, and the cable reel approaches the placement area. If the clamping block 26 moves away from the cable reel prematurely due to careless operation, the cable reel will fall onto the protective plate 8 and be buffered by the buffer pad 21, thus avoiding the situation that due to careless operation of the crane, the clamping block 26 releases the cable reel prematurely, and then due to a large falling distance of the cable reel, the lowermost cable reel is subjected to a large impact force, resulting in damage to the lowermost cable reel.If there is no operation error, the protective plate 8 resets to provide a placement space for the cable reel. Moreover, in some cases, there may be some particulate impurities or other movable foreign objects on the plane of the cable reel placement area. If the cable reel is directly placed here, it is likely to tip over due to contact with foreign objects, affecting normal placement. Therefore, to avoid this problem, before the protective plate 8 resets, the scraper 9 can be driven to fit the plane of the cable reel placement area. The motor six 31 drives the first threaded rod 10 to rotate, causing the scraper 9 to slide at the bottom of the protective plate 8. The scraper 9 scrapes the plane of the placement area, thus pushing the foreign objects on the surface of the placement platform away and providing a relatively flat placement area for the cable reel, thereby avoiding the situation where the cable reel tips over due to contact with foreign objects and further affecting normal placement. Also, in some cases, there are uneven protrusions on the surface of the placement platform, and these protrusions are relatively firm and cannot be removed by pushing. If the worker does not notice and directly places the cable reel here, it will still cause the cable reel to tip over. Therefore, to avoid this problem, if the placement platform has protrusions that cannot be removed by scraping, when the scraper 9 contacts the protrusions, the protrusions will prevent the scraper 9 from passing, resulting in the pressure rod 19 contacting the pressure sensor 20. When the pressure sensor 20 detects a pressure signal, the alarm 12 sounds, reminding the staff that the cable reel cannot be placed here and to change the placement area, thus avoiding the situation where the cable reel tips over because the worker does not notice the non-scrapable protrusions on the placement platform and still places the cable reel here, further ensuring the smooth placement of the cable reel.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and all these changes and improvements fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cable reel lifting tool for cable laying, comprising a support plate (1), characterized in that: On the upper end surface of the support plate (1), a plurality of lifting rings (2) are arranged horizontally and fixedly connected. At the lower end of the support plate (1), a slide rail (28) is fixedly connected. On both sides of the slide rail (28), a plurality of adjusting rods (5) are slidably connected. At the lower end of the adjusting rod (5), an adjusting plate (7) is rotatably arranged. On the adjusting plate (7), a multi-position clamping assembly for fixing the cable reel is provided; The multi-position clamping assembly includes a plurality of sliders (36) arranged horizontally and sleeved on the adjusting plate (7), and the distance between adjacent sliders (36) is the same. The frontmost slider (36) is fixedly connected to the adjusting plate (7), and the remaining sliders (36) are slidably connected to the adjusting plate (7). On one side of the slider (36), a clamping block (26) is rotatably arranged. At both ends on the upper side of the slider (36), a worm (32) is rotatably arranged. One end of the clamping block (26) is fixedly connected to a worm gear (27). The worm gear (27) is rotatably arranged on the slider (36), and the worm gear (27) meshes with the worm (32).

2. The cable reel sling for cable laying according to claim 1, characterized in that: At both ends of the slide rail (28), a bidirectional threaded rod (3) is rotatably arranged. On both sides of the bidirectional threaded rod (3), the upper ends of the adjusting rods (5) are threadedly connected. At one end of the slide rail (28), a motor one (4) is fixedly connected. The output end of the motor one (4) is fixedly connected to one end of the bidirectional threaded rod (3).

3. The cable reel lifting tool for cable laying according to claim 1, wherein: On one side of the frontmost and rearmost sliders (36), a rod one (22) is rotatably arranged. On one side of the remaining sliders (36), a rod two (23) is rotatably arranged. One end of the rod one (22) is rotatably connected to one end of the rod two (23), and the ends of adjacent rod two (23) are rotatably connected.

4. A cable reel sling for cable laying according to claim 1, characterized in that: On one side of the rearmost slider (36), a threaded rod three (25) is threadedly connected. One end of the threaded rod three (25) is rotatably arranged on the adjusting plate (7). One end of the adjusting plate (7) is fixedly connected to a motor five (24). The output end of the motor five (24) is fixedly connected to one end of the threaded rod three (25).

5. A cable reel lifting device for cable laying according to claim 1, characterized in that: On one side of the lower end of the adjusting rod (5), a motor two (6) is fixedly connected. The output end of the motor two (6) is fixedly connected to one side of the adjusting plate (7).

6. The cable reel sling for cable laying according to claim 1, wherein: At both ends of the worm (32), a convex block rod (33) and a sleeve (34) are respectively fixedly connected. Adjacent convex block rods (33) and sleeves (34) are inserted and slidably connected through key grooves, and both the convex block rod (33) and the sleeve (34) are rotatably arranged on the slider (36). On one side of the frontmost slider (36), a motor seven (35) is fixedly connected. The output end of the motor seven (35) is fixedly connected to one end of the worm (32).

7. A cable reel lifting tool for cable laying according to claim 1, characterized in that: On the adjusting plate (7), a placement protection assembly is also provided; The placement protection component includes a threaded block (15) slidably connected to one side of the adjustment plate (7). A protection plate (8) is rotatably arranged on one side of the threaded block (15). A buffer pad (21) is arranged on one side of the protection plate (8). A displacement block (16) is slidably connected to one side of the protection plate (8) through a chute (30). Slide columns (17) are slidably connected to both sides of the displacement block (16). A scraping plate (9) is fixedly connected to one end of each slide column (17). An alarm (12) is arranged on one side of the adjustment plate (7).

8. A cable reel sling for cable laying according to claim 7, characterized in that: A second threaded rod (14) is threadedly connected to one side of the threaded block (15). Both ends of the second threaded rod (14) are rotatably arranged on the adjustment plate (7). A fourth motor (13) is fixedly connected to one side of the adjustment plate (7). The output end of the fourth motor (13) is fixedly connected to one end of the second threaded rod (14). A third motor (11) is fixedly connected to one side of the threaded block (15). The output end of the third motor (11) is fixedly connected to one end of the protection plate (8).

9. The cable reel lifting tool for cable laying according to claim 7, characterized in that: A first threaded rod (10) is threadedly connected to one side of the displacement block (16). Both ends of the first threaded rod (10) are rotatably arranged on the protection plate (8). A sixth motor (31) is fixedly connected to one side of the protection plate (8) through a mounting block (29). The output end of the sixth motor (31) is fixedly connected to one end of the first threaded rod (10).

10. A cable reel lifting tool for cable laying according to claim 7, characterized in that: A spring (18) is sleeved on one side of the slide column (17). One end of the spring (18) is fixedly connected to the scraping plate (9), and the other end is fixedly connected to one side of the displacement block (16). A pressing rod (19) is fixedly connected to one side of the scraping plate (9). A pressure sensor (20) is arranged on one side of the displacement block (16).

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