Cable winding and unwinding device

Abstract

The utility model provides a cable take-up and pay-off device, and belongs to the technical field of cable take-up and pay-off. Comprising a fixing base, two first fixing bases are symmetrically welded to the two sides of the upper surface of the fixing base, servo electric cylinders are fixedly installed on the upper surfaces of the two first fixing bases correspondingly, the output ends of the servo electric cylinders on the two sides are fixedly connected with installing bases correspondingly, and winding and unwinding rollers are rotationally arranged on the installing bases through locking assemblies; a first belt wheel is in key connection with a center shaft of the winding and unwinding roller, a second fixing base is fixedly installed on the upper surface of the fixing base, a servo motor is fixedly installed on the upper surface of the second fixing base, and the output end of the servo motor is in transmission connection with a speed reducer. The servo electric cylinder can drive the mounting seat to ascend and descend, so that the central shaft of the winding and unwinding roller can be conveniently fixed in the mounting seat through the locking assembly and can be conveniently moved out of the mounting seat, and the winding and unwinding roller can be conveniently disassembled and assembled.

Description

Technical Field

[0001] The utility model relates to the field of cable retraction and release, and in particular to a cable retraction and release device. Background Art

[0002] When installing electromechanical equipment, it is often necessary to carry out large-scale cable laying work, and a cable reeling device is necessary. When the cable is in use or transported, it is generally necessary to use a wire rack to reel the cable up to facilitate the transportation and use of the cable.

[0003] There are still some problems with the existing cable retracting device: the cable retracting roller is not convenient to disassemble and assemble, which is inconvenient. In addition, when the cable retracting roller is driven by belt transmission to rotate, the belt is not convenient to be connected to the pulley because the tightness of the belt is not easy to adjust, and the belt is easy to become loose during transmission, which poses a safety hazard. For this reason, a cable retracting device is designed. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a cable retracting and releasing device, aiming to improve the problems in the above background technology.

[0005] The utility model embodiment provides a cable retracting device, comprising a fixed base, two groups of first fixed bases are symmetrically welded on both sides of the upper surface of the fixed base, servo electric cylinders are fixedly installed on the upper surfaces of the two groups of the first fixed bases, the output ends of the servo electric cylinders on both sides are fixedly connected to mounting bases, a retracting roller is rotatably provided on the mounting base through a locking assembly, a first pulley is keyed on the central axis of the retracting roller, a second fixed base is fixedly installed on the upper surface of the fixed base, a servo motor is fixedly installed on the upper surface of the second fixed base, the output end of the servo motor is transmission-connected to a reducer, the output end of the reducer is transmission-connected to a second pulley, and the first pulley and the second pulley are connected by a belt transmission;

[0006] A support frame is welded to the upper surface of the fixed base below the belt, a threaded rod is threadedly connected to the support frame, a positioning plate is rotatably connected to the top of the threaded rod, an adjusting roller is rotatably connected to the middle position of the upper surface of the positioning plate, and the adjusting roller is rollingly arranged on the lower surface of the belt.

[0007] In the above implementation process, the servo electric cylinder is set up to drive the mounting seat to rise and fall, so that the central axis of the retractable roller is fixed in the mounting seat through the locking assembly and the central axis of the retractable roller is removed from the mounting seat, which is convenient for disassembly and assembly of the retractable roller; by rotating the threaded rod, the threaded rod drives the positioning plate to move, and the positioning plate drives the adjusting roller to rise and fall, so that the adjusting roller can adjust the tension of the belt, which is not only convenient for disassembly and assembly of the belt, but also can prevent the belt from loosening during transmission, thereby increasing safety.

[0008] In a specific implementation, self-locking universal wheels are fixedly installed around the lower surface of the fixed base, a push handle is welded to one end of the upper surface of the fixed base, and a sponge sleeve is fixedly sleeved in the middle position of the push handle.

[0009] In the above implementation process, it is convenient to move the fixed base to a suitable position for cable retraction and extension.

[0010] In a specific embodiment, the locking assembly includes a rotating groove, a pressure block, a cover plate and fastening bolts. The rotating groove is opened on the mounting seat. The central axis of the retracting roller is rotatably arranged in the rotating groove. One side of the pressure block is welded to the surface of the cover plate. The pressure block is inserted into the rotating groove. Both ends of the cover plate are fixedly connected to the mounting seat by the fastening bolts.

[0011] In the above implementation process, by placing the central axis of the retractable roller into the rotation groove, fixing the cover plate on the mounting seat with fastening bolts, and pressing the central axis of the retractable roller with a pressure block, the stability of the retractable roller during rotation can be increased.

[0012] In a specific embodiment, a plurality of groups of first balls are rollingly arranged in the rotating groove, a plurality of groups of second balls are rollingly arranged on the lower surface of the pressing block, and the circumference of the central axis of the retractable roller is in contact with the first balls and the second balls.

[0013] In the above implementation process, the central axis of the retractable roller can be rotated to reduce friction.

[0014] In a specific implementation manner, a hexagonal knob is welded to the end of the threaded rod, and a fastening nut is threadedly connected to the lower surface of the support frame on the circumference of the threaded rod.

[0015] In the above implementation process, it is convenient to rotate the threaded rod and to increase the stability of the threaded rod.

[0016] In a specific implementation manner, an L-shaped sliding rod is welded to the outer surface of the positioning plate, and one end of the L-shaped sliding rod passes through the support frame and is slidably connected to the support frame.

[0017] In the above implementation process, the positioning plate can be prevented from being offset.

[0018] In a specific embodiment, a telescopic rod is fixedly arranged between the upper surface of the first fixing seat and the lower surface of the mounting seat, and the telescopic rod includes an outer rod and an inner rod, and the bottom end of the inner rod is slidably arranged inside the outer rod.

[0019] In the above implementation process, the balance of the mounting base during movement can be increased.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. The utility model can drive the mounting seat to rise and fall by means of the servo electric cylinder, so that the central axis of the retractable roller can be conveniently fixed in the mounting seat through the locking assembly and the central axis of the retractable roller can be conveniently removed from the mounting seat, so as to facilitate the disassembly and assembly of the retractable roller;

[0022] 2. The utility model rotates the threaded rod to drive the positioning plate to move, and the positioning plate drives the adjusting roller to rise and fall, so that the adjusting roller can adjust the tension of the belt, which not only facilitates the disassembly and assembly of the belt, but also prevents the belt from being loose during transmission, thereby increasing safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a structural schematic diagram provided by an embodiment of the utility model;

[0025] Figure 2 The utility model embodiment provides Figure 1 Enlarged view of point A in the middle;

[0026] Figure 3 The utility model embodiment provides Figure 1 Enlarged view of point B in the middle;

[0027] Figure 4 A schematic diagram of a top view of the structure provided for an implementation mode of the utility model.

[0028] In the figure: 1. fixed base; 2. first fixed base; 3. servo electric cylinder; 4. mounting base; 5. locking assembly; 51. rotating groove; 52. pressure block; 53. cover plate; 54. fastening bolt; 55. first ball; 56. second ball; 6. retractable roller; 7. first pulley; 8. second fixed base; 9. servo motor; 10. reducer; 11. second pulley; 12. belt; 13. support frame; 14. threaded rod; 15. positioning plate; 16. adjusting roller; 17. self-locking universal wheel; 18. push handle; 19. sponge cover; 20. knob; 21. fastening nut; 22. L-shaped slide rod; 23. telescopic rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-4 The utility model provides a cable retracting device, comprising a fixed base 1, two groups of first fixed bases 2 are symmetrically welded on both sides of the upper surface of the fixed base 1, servo electric cylinders 3 are fixedly installed on the upper surfaces of the two groups of the first fixed bases 2, and the output ends of the servo electric cylinders 3 on both sides are fixedly connected with mounting bases 4, and a retracting roller 6 is rotatably provided on the mounting base 4 through a locking component 5, and a first pulley 7 is keyed on the central axis of the retracting roller 6, a second fixed base 8 is fixedly installed on the upper surface of the fixed base 1, and a servo motor 9 is fixedly installed on the upper surface of the second fixed base 8, and the output end of the servo motor 9 is transmission-connected with a reducer 10, and the output end of the reducer 10 is transmission-connected with a second pulley 11, and the first pulley 7 and the second pulley 11 are transmission-connected through a belt 12;

[0032] A support frame 13 is welded on the upper surface of the fixed base 1 below the belt 12, and a threaded rod 14 is threadedly connected to the support frame 13. A positioning plate 15 is rotatably connected to the top of the threaded rod 14, and an adjusting roller 16 is rotatably connected to the middle position of the upper surface of the positioning plate 15, and the adjusting roller 16 is rollingly arranged on the lower surface of the belt 12; in order to facilitate the rotation of the threaded rod 14 and to increase the stability of the threaded rod 14, a hexagonal knob 20 is welded on the end of the threaded rod 14, and a fastening nut 21 is threadedly connected to the lower surface of the support frame 13 on the circumference of the threaded rod 14; in order to prevent the positioning plate 15 from shifting, an L-shaped sliding rod 22 is welded on the outer surface of the positioning plate 15, and one end of the L-shaped sliding rod 22 passes through the support frame 13 and is slidably connected to the support frame 13.

[0033] Specifically, in order to facilitate the movement of the fixed base 1 and to move it to a suitable position for cable retraction and release, self-locking universal wheels 17 are fixedly installed on all four sides of the lower surface of the fixed base 1, and a push handle 18 is welded at one end of the upper surface of the fixed base 1, and a sponge cover 19 is fixedly sleeved in the middle position of the push handle 18.

[0034] In the specific setting, the locking assembly 5 includes a rotation groove 51, a pressure block 52, a cover plate 53 and a fastening bolt 54. The rotation groove 51 is opened on the mounting seat 4. The central axis of the retractable roller 6 is rotatably arranged in the rotation groove 51. One side of the pressure block 52 is welded to the surface of the cover plate 53. The pressure block 52 is inserted in the rotation groove 51. Both ends of the cover plate 53 are fixedly connected to the mounting seat 4 through the fastening bolts 54. By placing the central axis of the retractable roller 6 on the rotation groove, the retractable roller 6 is fixedly connected to the mounting seat 4 through the fastening bolts 54. In the groove 51, the cover plate 53 is fixed to the mounting base 4 by means of fastening bolts 54, and the central axis of the retractable roller 6 is pressed by means of a pressure block 52, thereby increasing the stability of the retractable roller 6 during rotation; in order to facilitate the rotation of the central axis of the retractable roller 6 and reduce friction, a plurality of groups of first balls 55 are rollingly arranged in the rotating groove 51, and a plurality of groups of second balls 56 are rollingly arranged on the lower surface of the pressure block 52, and the circumference of the central axis of the retractable roller 6 is in contact with the first balls 55 and the second balls 56.

[0035] It should be noted that in order to increase the balance of the mounting seat 4 when it moves, a telescopic rod 23 is fixedly arranged between the upper surface of the first fixed seat 2 and the lower surface of the mounting seat 4, and the telescopic rod 23 includes an outer rod and an inner rod, and the bottom end of the inner rod is slidably arranged inside the outer rod.

[0036] Working principle of the cable retracting device:

[0037] When installing the retractable roller 6, firstly, the servo electric cylinder 3 is contracted to adjust the height of the mounting seat 4 to the lowest, and the retractable roller 6 is rolled onto the fixed base 1. Then, the central axis of the retractable roller 6 is moved to the top of the rotating groove 51, and the servo electric cylinder 3 is extended to adjust the height of the mounting seat 4 to a suitable position, so that the bottom of the retractable roller 6 leaves the upper surface of the fixed base 1. Then, the central axis of the retractable roller 6 is fixed in the rotating groove 51 by the cover plate 53, the pressure block 52 and the fastening bolt 54. Then, the belt 12 is sleeved between the first pulley 7 and the second pulley 11, and the threaded rod 14 is rotated to drive the positioning plate 15 to move, and the positioning plate 15 drives the adjusting roller 16 to rise, so that the adjusting roller 16 adjusts the tension of the belt 12, tightens the belt 12, and drives the second pulley 11 to rotate through the servo motor 9 and the reducer 10. The second pulley 11 drives the first pulley 7 to rotate through the belt 12, and the first pulley 7 drives the retractable roller 6 to rotate, thereby performing the cable retracting and releasing work.

[0038] The above description is only an embodiment of the utility model and is not intended to limit the protection scope of the utility model. For those skilled in the art, the utility model may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model. It should be noted that similar numbers and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0039] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A cable retracting device, characterized in that: The invention comprises a fixed base (1), two groups of first fixed bases (2) are symmetrically welded on both sides of the upper surface of the fixed base (1), servo electric cylinders (3) are fixedly installed on the upper surfaces of the two groups of the first fixed bases (2), the output ends of the servo electric cylinders (3) on both sides are fixedly connected to mounting bases (4), a retractable roller (6) is rotatably arranged on the mounting base (4) through a locking assembly (5), a first pulley (7) is keyed on the central axis of the retractable roller (6), a second fixed base (8) is fixedly installed on the upper surface of the fixed base (1), a servo motor (9) is fixedly installed on the upper surface of the second fixed base (8), the output end of the servo motor (9) is transmission-connected to a reducer (10), the output end of the reducer (10) is transmission-connected to a second pulley (11), and the first pulley (7) and the second pulley (11) are transmission-connected via a belt (12); A support frame (13) is welded on the upper surface of the fixed base (1) below the belt (12); a threaded rod (14) is threadedly connected to the support frame (13); a positioning plate (15) is rotatably connected to the top of the threaded rod (14); an adjusting roller (16) is rotatably connected to the middle position of the upper surface of the positioning plate (15); and the adjusting roller (16) is rollingly arranged on the lower surface of the belt (12).

2. A cable retracting device according to claim 1, characterized in that: Self-locking universal wheels (17) are fixedly mounted on all four sides of the lower surface of the fixed base (1), a push handle (18) is welded to one end of the upper surface of the fixed base (1), and a sponge sleeve (19) is fixedly sleeved in the middle of the push handle (18).

3. A cable retracting device according to claim 1, characterized in that: The locking assembly (5) comprises a rotation groove (51), a pressure block (52), a cover plate (53) and a fastening bolt (54); the rotation groove (51) is provided on the mounting seat (4); the central axis of the retractable roller (6) is rotatably arranged in the rotation groove (51); one side of the pressure block (52) is welded to the surface of the cover plate (53); the pressure block (52) is inserted into the rotation groove (51); and both ends of the cover plate (53) are fixedly connected to the mounting seat (4) by means of the fastening bolts (54).

4. A cable retracting device according to claim 3, characterized in that: A plurality of groups of first balls (55) are rollingly arranged in the rotating groove (51), a plurality of groups of second balls (56) are rollingly arranged on the lower surface of the pressing block (52), and the circumference of the central axis of the retractable roller (6) is in contact with the first balls (55) and the second balls (56).

5. A cable retracting device according to claim 1, characterized in that: A hexagonal knob (20) is welded to the end of the threaded rod (14), and a fastening nut (21) is threadedly connected to the lower surface of the support frame (13) on the circumference of the threaded rod (14).

6. A cable retracting device according to claim 1, characterized in that: An L-shaped sliding rod (22) is welded to the outer surface of the positioning plate (15), and one end of the L-shaped sliding rod (22) passes through the support frame (13) and is slidably connected to the support frame (13).

7. A cable retracting device according to claim 1, characterized in that: A telescopic rod (23) is fixedly arranged between the upper surface of the first fixing seat (2) and the lower surface of the mounting seat (4), and the telescopic rod (23) comprises an outer rod and an inner rod, and the bottom end of the inner rod is slidably arranged inside the outer rod.

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