Mechanical automatic back-twist cable pay-off rack

Abstract

The invention discloses a mechanical automatic back-twist cable pay-off rack. The mechanical automatic back-twist cable pay-off rack comprises a support; the rotating frame is arranged on the bracket; the clamping assembly is arranged in the rotating frame; the guide assemblies are symmetrically arranged on the two sides of the cable shaft in the rotating frame; the transmission assembly is arranged between the support and the rotating frame. According to the cable pay-off rack, automatic rotation of the rotating frame along with rotation of the cable shaft is achieved through the transmission assembly, active driving equipment is not needed, the equipment cost is reduced, maintenance is convenient, the self weight of the equipment is reduced, use is flexible and convenient, and the cable pay-off rack has extremely high popularization value.

Description

Technical Field

[0001] The invention relates to the technical field of cable pay-off racks, and in particular to a mechanical automatic back-twisting cable pay-off rack. Background Art

[0002] In the production of cable cabling process, especially the cabling of complex cables, pay-off racks are often needed to meet the cable cabling requirements. In many cable cabling processes, the pay-off rack needs to have a detwisting function to ensure the quality of the cable cabling. Most of the existing automatic detwisting pay-off racks use active drive devices to achieve cable detwisting. Most of the active drive devices use motors, and the equipment cost and maintenance cost are very high. In addition, the pay-off rack is heavy and inconvenient to move. It also needs to rearrange the power supply. The application is not flexible and convenient, and it is difficult to promote. Summary of the invention

[0003] In view of the above-mentioned defects or shortcomings in the prior art, it is desired to provide a mechanical automatic untwisting cable pay-off stand, which realizes automatic rotation of the rotating frame with the rotation of the cable shaft through a transmission assembly, does not require active driving equipment, reduces equipment costs, facilitates maintenance, and reduces the weight of the equipment. It is flexible and convenient to use and has extremely high promotion value.

[0004] The present invention provides a mechanical automatic back-twisting cable pay-off frame, comprising:

[0005] Bracket;

[0006] A rotating frame is arranged on the bracket, one end of which is rotatably sleeved with a first shaft rod through a first bearing, and the other end of which is fixedly sleeved with a second shaft rod coaxial with the first shaft rod, the second shaft rod is provided with a threading hole along its axial direction, the first shaft rod is rotatably connected to the bracket through a second bearing, and the second shaft rod is rotatably connected to the bracket through a third bearing;

[0007] A clamping assembly, disposed in the rotating frame, used to fix the cable shaft and the first shaft coaxially and rotatable relative to the rotating frame;

[0008] A guide assembly is symmetrically arranged on both sides of the cable shaft in the rotating frame, and is used to guide the cable wound on the cable shaft so that the cable passes through one side or the other side of the rotating frame and then passes through the threading hole for output;

[0009] A transmission assembly is arranged between the bracket and the rotating frame, and is used for driving the rotating frame to rotate with the rotation of the cable shaft, and the rotation direction of the rotating frame is opposite to the rotation direction of the cable shaft; the transmission assembly includes a driving gear arranged in the rotating frame and fixedly sleeved on the first shaft rod, first driven gears are symmetrically meshed on both sides of the driving gear, the first driven gear is fixedly connected to the third shaft rod, and the third shaft rod is rotatably connected to the rotating frame through a fourth bearing, a fixed gear is fixedly arranged on the outer periphery of the first shaft rod on the bracket, second driven gears are symmetrically meshed on both sides of the fixed gear, and the second driven gears are fixedly sleeved on the third shaft rod in a one-to-one correspondence.

[0010] Further, the bracket includes a front bracket and a rear bracket;

[0011] The front bracket comprises a front support seat, two sides of the front support seat are symmetrically fixedly connected with front legs, and the second shaft is rotatably connected to the front support seat through a third bearing;

[0012] The rear bracket comprises a rear support seat, and rear legs are symmetrically fixedly connected to both sides of the rear support seat, and the first shaft rod is rotatably connected to the rear support seat through a second bearing.

[0013] Furthermore, the clamping assembly includes a fixed center and a movable center;

[0014] The fixed top is arranged in the rotating frame and is coaxial with the first shaft rod. The fixed top is fixedly connected to the end of the first shaft rod through a clamping plate. A limit rod is fixedly arranged on one side of the fixed top on the clamping plate. Limit holes are respectively provided at both ends of the cable shaft corresponding to the limit rod.

[0015] A support plate is fixedly provided in the rotating frame on the side of the fixed top away from the first shaft rod, and a screw coaxial with the first shaft rod is threadedly sleeved on the support plate. One end of the screw close to the fixed top is rotatably connected to the movable top through a fifth bearing, and the other end is fixedly connected to a handwheel.

[0016] Furthermore, the fixed center is in the shape of a truncated cone with an outer diameter gradually decreasing in a direction away from the first shaft rod; the movable center is in the shape of a truncated cone with an outer diameter gradually decreasing in a direction away from the lead screw.

[0017] Furthermore, the guide assembly includes a first guide wheel, a second guide wheel, a third guide wheel and a wire-passing light rod; the first guide wheel is arranged in the rotating frame on one side of the cable shaft, the second guide wheel is arranged on the side of the first guide wheel close to the second shaft rod, the line connecting the first guide wheel and the second guide wheel is parallel to the axis of the cable shaft, the third guide wheel is arranged close to one side of the wire-passing hole, and the wire-passing light rod is fixedly arranged in the rotating frame between the first guide wheel and the cable shaft, and parallel to the axis of the cable shaft.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The cable pay-off rack of the present invention is provided with a bracket, a rotating frame, a clamping assembly, a guide assembly, and a transmission assembly; before paying out the cable, the cable shaft is first clamped and fixed by the clamping assembly, and then the cable on the cable shaft is guided by the guide assembly and output from the pay-off hole. When the cable is continuously output by traction force, the cable shaft rotates accordingly, and the cable shaft drives the rotating frame to rotate through the transmission assembly, and the rotating frame drives the output cable to rotate, thereby realizing automatic untwisting of the cable.

[0020] The cable pay-off rack of the present application converts traction force into rotational force of a rotating frame. The rotating frame does not need to actively drive the device, which reduces equipment costs, facilitates maintenance, and reduces the weight of the equipment. It is flexible and convenient to use and has extremely high promotion value.

[0021] It should be understood that the contents described in the summary of the invention are not intended to limit the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0023] Figure 1 This is a schematic diagram of the main structure of the cable pay-off rack;

[0024] Figure 2 It is a rear view structural schematic diagram of the cable pay-off rack;

[0025] Figure 3 It is a schematic diagram of the structure of the cable pay-off frame from a top view;

[0026] Figure 4 Schematic diagram of the steering of the rotating frame and cable shaft.

[0027] Numbers in the figure: 1, bracket; 2, rotating frame; 3, clamping assembly; 4, guide assembly; 5, transmission assembly; 6, cable shaft; 7, cable;

[0028] 11. Front support; 12. Front outrigger; 13. Rear support; 14. Rear outrigger;

[0029] 21. first shaft; 22. second shaft; 23. first bearing; 24. threading hole; 25. second bearing; 26. third bearing;

[0030] 31. Fixed center; 32. Movable center; 33. Clamping plate; 34. Limit rod; 35. Support plate; 36. Lead screw; 37. Fifth bearing; 38. Hand wheel;

[0031] 41, first guide wheel; 42, second guide wheel; 43, third guide wheel; 44, line-passing polished rod;

[0032] 51. driving gear; 52. first driven gear; 53. third shaft; 54. fourth bearing; 55. fixed gear; 56. second driven gear. DETAILED DESCRIPTION

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It should also be noted that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0035] Please refer to Figure 1 to Figure 4 , an embodiment of the present invention provides a mechanical automatic back-twisting cable pay-off frame, comprising:

[0036] Bracket 1;

[0037] The rotating frame 2 is arranged on the bracket 1, one end of which is rotatably sleeved with a first shaft rod 21 through a first bearing 23, and the other end is fixedly sleeved with a second shaft rod 22 coaxial with the first shaft rod 21, and the second shaft rod 22 is provided with a threading hole 24 along its axial direction. The first shaft rod 21 is rotatably connected to the bracket 1 through a second bearing 25, and the second shaft rod 22 is rotatably connected to the bracket 1 through a third bearing 26;

[0038] The clamping assembly 3 is disposed in the rotating frame 2 and is used to fix the cable shaft 6 and the first shaft 21 coaxially and is rotatable relative to the rotating frame 2;

[0039] Guide components 4 are symmetrically arranged on both sides of the cable shaft 6 in the rotating frame 2. The guide components 4 are used to guide the cable 7 wound on the cable shaft 6 so that the cable 7 passes through one side or the other side of the rotating frame 2 and then passes through the threading hole 24 for output;

[0040] The transmission assembly 5 is arranged between the bracket 1 and the rotating frame 2, and is used for driving the rotating frame 2 to rotate with the rotation of the cable shaft 6, and the rotation direction of the rotating frame 2 is opposite to the rotation direction of the cable shaft 6; the transmission assembly 5 includes a driving gear 51 arranged in the rotating frame 2 and fixedly sleeved on the first shaft rod 21, and the driving gear 51 is symmetrically meshed with first driven gears 52 on both sides, and the first driven gear 52 is fixedly connected to the third shaft rod 53, and the third shaft rod 53 is rotatably connected to the rotating frame 2 through a fourth bearing 54. A fixed gear 55 is fixedly arranged on the outer periphery of the first shaft rod 21 on the bracket 1, and the fixed gear 55 is symmetrically meshed with second driven gears 56 on both sides, and the second driven gears 56 are fixedly sleeved on the third shaft rod 53 in a one-to-one correspondence.

[0041] In this embodiment, before the pay-off frame pays out the cable, the cable shaft 6 is first clamped and fixed to the first shaft 21 by the clamping assembly 3, and then the cable 7 on the cable shaft 6 is guided by the guide assembly 4 and output from the pay-off hole 24, and the cable shaft 6 is installed.

[0042] When laying the cable, the drawn cable 7 is pulled forward by the cable winch, and when the cable 7 is continuously output by the traction force, the cable shaft 6 rotates accordingly, and the cable shaft 6 drives the first shaft 21 to rotate, and the first shaft 21 drives the driving gear 51 to rotate, and the driving gear 51 drives the second driven gear 56 to rotate through the first driven gear 52 and the third shaft 53; with the cooperation of the fixed gear 55, the two second driven gears 56 rotate around the fixed gear 55, thereby driving the rotating frame 2 to rotate in the opposite direction to the cable shaft 6 with the first shaft 21 as the axis. The rotating frame 2 drives the output cable 7 to rotate, and realizes the automatic back-twisting of the cable 7. The back-twisting speed is changed by changing the size ratio of the driving gear 51 to the first driven gear 52 or the size ratio of the second driven gear 56 to the fixed gear 55 to meet different cabling requirements.

[0043] The cable pay-off frame of the present application converts traction force into rotational force of the rotating frame 2. The rotating frame 2 does not need active driving equipment, which reduces equipment cost, facilitates maintenance, and reduces equipment weight. It is flexible and convenient to use and has extremely high promotion value.

[0044] In a preferred embodiment, if Figure 1 and Figure 2 As shown, the bracket 1 includes a front bracket and a rear bracket;

[0045] The front bracket includes a front support 11, and front legs 12 are symmetrically fixedly connected to both sides of the front support 11, and the second shaft 22 is rotatably connected to the front support 11 through a third bearing 26;

[0046] The rear bracket includes a rear support 13 , and rear legs 14 are symmetrically fixedly connected to both sides of the rear support 13 . The first shaft 21 is rotatably connected to the rear support 13 via a second bearing 25 .

[0047] In this embodiment, the support 1 has a simple structure and a stable support. Preferably, the two front legs 12 and the two rear legs 14 are in an eight-shaped shape, which further improves the stability of the support.

[0048] In a preferred embodiment, if Figure 3 As shown, the clamping assembly 3 includes a fixed top 31 and a movable top 32;

[0049] The fixed top 31 is arranged in the rotating frame 2 and is coaxial with the first shaft 21. The fixed top 31 is fixedly connected to the end of the first shaft 21 through a clamping plate 33. A limit rod 34 is fixedly arranged on one side of the fixed top 31 on the clamping plate 33. Limit holes are respectively provided at both ends of the cable shaft 6 corresponding to the limit rod 34.

[0050] A support plate 35 is fixedly provided in the rotating frame 2 on the side of the fixed top 31 away from the first shaft 21, and a screw 36 coaxial with the first shaft 21 is threadedly sleeved on the support plate 35. One end of the screw 36 close to the fixed top 31 is rotatably connected to the movable top 32 through the fifth bearing 37, and the other end is fixedly connected to a handwheel 38.

[0051] In this embodiment, when clamping the cable shaft 6, firstly, the lead screw 36 is rotated by the hand wheel 38 to increase the distance between the fixed top 31 and the movable top 32, and then the cable shaft 6 is placed between the fixed top 31 and the movable top 32, and the fixed top 31 is aligned and inserted into one end of the cable shaft 6, and the limit rod 34 is inserted into the corresponding limit hole, so that the cable shaft 6 and the first shaft 21 will not rotate relative to each other; then the hand wheel 38 is rotated to insert the movable top 32 into the other end of the cable shaft 6, and the clamping and fixing of the cable shaft 6 is completed, which is convenient to operate and firmly fixed.

[0052] In a preferred embodiment, if Figure 3 As shown, the fixed top 31 is in the shape of a truncated cone with an outer diameter gradually decreasing in the direction away from the first shaft 21; the movable top 32 is in the shape of a truncated cone with an outer diameter gradually decreasing in the direction away from the screw 36. This facilitates the insertion of the fixed top 31 and the movable top 32 into the central hole of the cable shaft 6 and improves the fixing effect.

[0053] In a preferred embodiment, if Figure 3As shown, the guide assembly 4 includes a first guide wheel 41, a second guide wheel 42, a third guide wheel 43 and a wire-passing light rod 44; the first guide wheel 41 is arranged in the rotating frame 2 on one side of the cable shaft 6, the second guide wheel 42 is arranged on the side of the first guide wheel 41 close to the second shaft rod 22, the connecting line between the first guide wheel 41 and the second guide wheel 42 is parallel to the axis of the cable shaft 6, the third guide wheel 43 is arranged close to one side of the wire-passing hole 24, and the wire-passing light rod 44 is fixedly arranged in the rotating frame 2 between the first guide wheel 41 and the cable shaft 6, and parallel to the axis of the cable shaft 6.

[0054] In this embodiment, the cable 7 on the cable shaft 6 first passes through the wire-passing polished rod 44 and then passes through the first guide wheel 41, and then passes through the second guide wheel 42 and the third guide wheel 43 and then passes through the wire-passing hole 24. The guided cable 7 can rotate with the rotating frame 2 to achieve backtwisting. The structural design of the guide assembly 4 is reasonable, which ensures the automatic backtwisting of the cable 7.

[0055] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0056] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0057] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mechanical automatic back-twisting cable pay-off stand, characterized in that: include: Bracket (1); A rotating frame (2) is arranged on the support (1), one end of which is rotatably sleeved with a first shaft (21) via a first bearing (23), and the other end of which is fixedly sleeved with a second shaft (22) coaxial with the first shaft (21), the second shaft (22) having a threading hole (24) along its axial direction, the first shaft (21) being rotatably connected to the support (1) via a second bearing (25), and the second shaft (22) being rotatably connected to the support (1) via a third bearing (26); A clamping assembly (3) is arranged in the rotating frame (2) and is used to fix the cable shaft (6) and the first shaft (21) coaxially and is rotatable relative to the rotating frame (2); A guide assembly (4), wherein the guide assembly (4) is symmetrically arranged on both sides of the cable shaft (6) in the rotating frame (2), and the guide assembly (4) is used to guide the cable (7) wound on the cable shaft (6), so that the cable (7) passes through one side or the other side of the rotating frame (2) and then passes through the threading hole (24) for output; A transmission assembly (5) is arranged between the support (1) and the rotating frame (2), and is used for driving the rotating frame (2) to rotate along with the rotation of the cable shaft (6), and the rotation direction of the rotating frame (2) is opposite to the rotation direction of the cable shaft (6); the transmission assembly (5) comprises a driving gear (51) arranged in the rotating frame (2) and fixedly sleeved on the first shaft (21), the driving gear (51) is symmetrically meshed with first driven gears (52) on both sides, the first driven gear (52) is fixedly connected with a third shaft (53), the third shaft (53) is rotationally connected to the rotating frame (2) through a fourth bearing (54), a fixed gear (55) is fixedly arranged on the outer periphery of the first shaft (21) on the support (1), the fixed gear (55) is symmetrically meshed with second driven gears (56) on both sides, and the second driven gears (56) are fixedly sleeved on the third shaft (53) in a one-to-one correspondence.

2. The mechanical automatic back-twisting cable pay-off stand according to claim 1, characterized in that: The bracket (1) comprises a front bracket and a rear bracket; The front bracket comprises a front support seat (11), two sides of the front support seat (11) are symmetrically fixedly connected with front legs (12), and the second shaft rod (22) is rotatably connected to the front support seat (11) via a third bearing (26); The rear bracket comprises a rear support (13), and rear legs (14) are symmetrically fixedly connected to both sides of the rear support (13), and the first shaft (21) is rotatably connected to the rear support (13) via a second bearing (25).

3. The mechanical automatic back-twisting cable pay-off stand according to claim 1, characterized in that: The clamping assembly (3) comprises a fixed center (31) and a movable center (32); The fixed top (31) is arranged in the rotating frame (2) and is coaxial with the first shaft (21); the fixed top (31) is fixedly connected to the end of the first shaft (21) via a clamping plate (33); a limit rod (34) is fixedly arranged on one side of the fixed top (31) on the clamping plate (33); and limit holes are respectively provided at both ends of the cable shaft (6) corresponding to the limit rod (34); A support plate (35) is fixedly arranged in the rotating frame (2) on a side of the fixed top (31) away from the first shaft (21); a lead screw (36) coaxial with the first shaft (21) is threadedly sleeved on the support plate (35); one end of the lead screw (36) close to the fixed top (31) is rotatably connected to the movable top (32) via a fifth bearing (37), and the other end is fixedly connected to a hand wheel (38).

4. The mechanical automatic back-twisting cable pay-off stand according to claim 3 is characterized in that: The fixed top (31) is in the shape of a truncated cone, the outer diameter of which gradually decreases in the direction away from the first shaft (21); the movable top (32) is in the shape of a truncated cone, the outer diameter of which gradually decreases in the direction away from the lead screw (36).

5. The mechanical automatic back-twisting cable pay-off stand according to claim 1, characterized in that: The guide assembly (4) comprises a first guide wheel (41), a second guide wheel (42), a third guide wheel (43) and a wire-passing light rod (44); the first guide wheel (41) is arranged in the rotating frame (2) on one side of the cable shaft (6); the second guide wheel (42) is arranged on the side of the first guide wheel (41) close to the second shaft rod (22); the line connecting the first guide wheel (41) and the second guide wheel (42) is parallel to the axis of the cable shaft (6); the third guide wheel (43) is arranged close to one side of the wire-passing hole (24); the wire-passing light rod (44) is fixedly arranged in the rotating frame (2) between the first guide wheel (41) and the cable shaft (6) and parallel to the axis of the cable shaft (6).

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