CN117681934A - A turnover mechanism for cable reels - Google Patents

Abstract

The invention relates to the technical field of cable reel turnover, and in particular to a turnover mechanism for cable reels, which includes a moving frame. A push frame is fixedly installed on the upper end surface of the moving frame. The moving frame is located inside and close to both sides. Two extension plates are slidably inserted at the two extension plates, and support frames are fixedly installed at the rear ends of the two extension plates. The support frames, the extension plates and the push frame are jointly provided with an adjustment support mechanism. Both sides of the fixed frame A chute is provided respectively, and a buffer stop mechanism is provided inside the two chute respectively. The adjustment support mechanism provided in the present invention can effectively adjust and install different reels according to their different diameters and lengths, thereby facilitating the stable transfer of subsequent reels. The buffer stop structure provided in the device can effectively adjust the reels. The reel can be buffered and stopped in a timely manner, while avoiding the situation where the existing mechanism stops the reel too quickly or too hastily.

Description

A turnover mechanism for cable reels

Technical field

The present invention relates to the technical field of cable reel turnover, and in particular to a turnover mechanism for a cable reel.

Background technique

The main function of cable reels is to store and transmit cables in power engineering, communication engineering and construction engineering. Cable reels can move and transport cables easily and conveniently, avoiding the situation of workers walking around to pick up cables, saving working time and improving work efficiency; at the same time, cable reels can neatly wind cables, avoiding the need for cables to be The cable is protected from wear, extrusion, etc. during transportation.

When the existing turnover mechanism transfers the cable reel, it cannot be properly adjusted and fixed according to the different diameters and lengths of different cable reels. At the same time, after the cable reel passes through the turnover mechanism and reaches its destination, when it is repaired, It is necessary to pay off the cable to a suitable length and then stop it with manual assistance, or use the existing mechanism to stop it. Manual-assisted stopping may have lower stopping efficiency and slower speed, but now Some organizations will generally stop it directly and quickly, leaving no buffer time for the cable pullers who may be far away from the cable reel, which can easily cause strain on both ends of the cable.

Contents of the invention

The purpose of the present invention is to propose a turnover mechanism for cable reels in order to solve the shortcomings existing in the background technology.

In order to achieve the above objects, the technical solution adopted by the present invention is: a turnover mechanism for a cable reel, including a moving frame, a push frame is fixedly installed on the upper end surface of the moving frame, and the inside of the moving frame is close to both sides. Two extension plates are slidably inserted on the side, and support frames are fixedly installed at the rear ends of the two extension plates. The support frames, the extension plates and the push frame are jointly provided with an adjustment support mechanism, and the adjustment support mechanism includes Support rod, the outer end of the support rod is rotated with a fixed frame, and the outer surface of the support rod is slidably inserted with a reel. The fixed bracket is arranged on the outer side of the support rod and limits and fixes one side of the reel. , There are chutes on both sides of the fixed frame respectively, and a buffer stop mechanism is provided on the inside of the two chutes respectively. The buffer stop mechanism includes two arc-shaped buffer rods and two buffer plates. The buffer plate is movably arranged in the hollow of the runner on one side of the reel.

Preferably, the adjustment support mechanism includes a first threaded rod and two limiting rings. Both ends of the first threaded rod are rotationally connected to the inside of the push frame. The outer surface of the first threaded rod is covered with a threaded fit. The sliding seat has a limit ring fixedly installed in the middle of one side of the sliding seat, the inner side of the limit ring is fixedly connected to the outside of the support rod, and one end of the support rod is fixedly connected to one side of the sliding seat. The inside of the sliding seat and close to both ends are slidingly matched with the outer two ends of the push frame. The first gear is fixedly mounted on the outer surface of the first threaded rod and close to the bottom end.

Preferably, the outer extension of the first gear is meshed with a second gear, the inside of the second gear is fixedly connected to the output shaft of the first motor, and the rear end of the first motor is fixedly mounted on the push frame through a mounting piece. On the inner side, a plurality of fixing holes are respectively provided on the upper surfaces of the two extension plates, and two corresponding fixing holes are also provided on both sides of the upper surface of the mobile frame near one end. The two fixing holes are Two threaded rotating rods are respectively provided on the inner side, and two pull rings are fixedly installed on the other side of the support frame and close to both ends.

Preferably, a rotation groove is provided in the middle of the interior of the support frame, and a rotation shaft is fixedly installed on the inside of the rotation groove. The outer surface of the rotation shaft is in sliding fit with the inner bottom end of the fixed frame, and the other said The inner side of the limit ring is threaded with the outer surface of the support rod and located on one side of the reel. The outer surface of the support rod and near one end is equipped with a threaded nut. The nut is arranged close to the fixing frame. On one side, a drive shaft is rotatably installed at the inner rear end of the mobile frame, and two wheels are fixedly installed on the outer surface of the drive shaft and close to both ends.

Preferably, the buffer stop mechanism includes two second threaded rods, the two ends of the two second threaded rods are respectively rotatably connected to the insides of the two chute, and the outer surfaces of the two second threaded rods are A third gear is fixedly mounted near the bottom end, and a fourth gear is engaged with the outer extension of the third gear. The two fourth gears are internally fixedly connected to the output shaft of the second motor, and both sides of the two second motors are fixedly connected. The two sides are fixedly installed on both sides of the fixing frame through two sets of fixing pieces.

Preferably, the outer surface of the second threaded rod is covered with a set of moving blocks that are threaded. The bottom ends of the moving blocks are in sliding fit with the inside of the chute. The inner sides of the moving blocks are fixedly connected to the arc. At both ends of the arc-shaped buffer rod, a sliding frame is slidably mounted on the outer surface of the arc-shaped buffer rod and close to the middle. A telescopic cylinder is fixedly installed inside the sliding frame, and the telescopic end of the telescopic cylinder is fixedly connected to the support base. On the lower surface, the third motor is fixedly installed on the upper surface of the support base through the connecting base.

Preferably, the output shaft of the third motor is fixedly connected to the bottom end of the buffer plate, one side of the support seat is fixedly connected to one end of the mounting bracket, and the outer side of the mounting bracket is in sliding fit with the inner upper end of the sliding frame, and the A buffer pad is fixedly installed on the upper end surface of the buffer plate, and two springs are mounted on the outer surface of the arc-shaped buffer rod. The two springs are respectively arranged on the outside of the sliding frame and the inside of a set of moving blocks.

Compared with the prior art, the present invention has the following beneficial effects:

1. In the present invention, according to the different diameters and lengths of different reels, the first motor is started appropriately, and the first motor drives the first threaded rod to rotate, so that the sliding seat drives the support rod to move upward to a suitable position, and then the support frame is pulled. With the two pull rings provided on the side of the support frame, pull the two extension plates installed on the other side of the support frame from the inside of the mobile frame to the appropriate position, and then turn the two rotating rods so that the rotating rods move downward to the upper surface of the extension plate. Open a corresponding position among the multiple fixing holes, and then insert the inside of the reel onto the support rod so that one side of the reel is close to the outer surface of the support rod and close to one side of the limit ring of the fixed set at one end, and then , then rotate and install another limit ring on the other side close to the reel, then rotate the fixed frame to be perpendicular to the support frame, and make the inside of the fixed frame pass through one end of the support rod, and finally, use a nut to fix it One side of the frame is locked and fixed on the outside of the support rod, which facilitates stable transfer of subsequent reels.

2. In the present invention, two second motors are started, and the two second motors respectively drive the two third gears to rotate, and the two third gears drive the two fourth gears meshed at the extension to rotate, and the two fourth gears then rotate. The two second threaded rods are driven to rotate, and the two second threaded rods then drive the two sets of moving blocks and the two buffer plates provided on the two sets of moving blocks to move to the appropriate position in the hollow inside the turntable on one side of the reel. After the cable is paid out to a suitable length, the two telescopic cylinders are started, and the two telescopic cylinders drive the two support bases and the mechanism on the support base to move forward respectively. At the same time, the two third motors are started, and the two third motors respectively drive the The two buffer plates rotate so that the buffer pads installed on one end of the buffer plates are properly attached to the inner wall of the hollow inside the turntable on one side of the reel according to the reel rotation direction. At the same time, the sliding frame provided on the rear side of the buffer plates is set on The two springs on the arc-shaped buffer bar and located on both sides of the sliding frame can effectively perform a certain buffering operation on the buffer plate when it stops the rotation of the reel, providing a safe environment for the cable puller at one end of the cable. Leave a certain amount of buffering time to avoid straining the cable.

3. Based on the above-mentioned adjustment support mechanism provided in the present invention, the adjustment and installation of different reels can be effectively adjusted according to the different diameters and lengths of the reels, thereby facilitating the stable transfer of subsequent reels. The buffer stop structure provided in the device, It can effectively buffer and stop the reel in a timely manner, and at the same time avoid the situation where the existing mechanism stops the reel too fast or too hastily.

Description of the drawings

Figure 1 is a schematic diagram of a turnover mechanism for a cable reel according to the present invention;

Figure 2 is a schematic structural diagram of the main mechanism of a turnover mechanism for cable reels according to the present invention;

Figure 3 is a schematic structural diagram of an adjusting support mechanism in a turnover mechanism for a cable reel according to the present invention;

Figure 4 is a schematic structural diagram of the reel and the fixing frame in a turnover mechanism for cable reels according to the present invention;

Figure 5 is a schematic structural diagram of a fixing point in a turnover mechanism for a cable reel according to the present invention;

Figure 6 is a schematic structural diagram of a buffer stop mechanism in a turnover mechanism for a cable reel according to the present invention;

Fig. 7 is a schematic structural diagram of the buffer stop mechanism part of a turnover mechanism for a cable reel according to the present invention.

In the picture: 1. Mobile frame; 2. Pushing frame; 3. Support frame; 4. Extension plate; 5. Support rod; 6. Fixed frame; 7. Reel; 8. Chute; 9. Arc buffer rod; 10. Buffer plate; 11. First threaded rod; 12. Sliding seat; 13. Limit ring; 14. First gear; 15. Second gear; 16. First motor; 17. Fixed hole; 18. Rotating rod ; 19. Rotating groove; 20. Rotating shaft; 21. Nut; 22. Second threaded rod; 23. Third gear; 24. Fourth gear; 25. Second motor; 26. Sliding frame; 27. Telescopic cylinder; 28. Support seat; 29. Cushion pad; 30. Connecting seat; 31. Third motor; 32. Mounting frame; 33. Spring; 34. Moving block; 35. Drive shaft; 36. Wheel.

Detailed ways

The following description is provided to disclose the invention to enable those skilled in the art to practice the invention. The preferred embodiments in the following description are only examples, and other obvious modifications may occur to those skilled in the art.

As shown in Figures 1 to 3, a turnover mechanism for cable reels includes a movable frame 1. A push frame 2 is fixedly installed on the upper end surface of the movable frame 1. A sliding insert is inserted inside the movable frame 1 and close to both sides. Two extension plates 4 are installed, and a support frame 3 is fixedly installed at the rear end of the two extension plates 4. The support frame 3, the extension plate 4 and the push frame 2 are jointly provided with an adjustment support mechanism. The adjustment support mechanism includes a support rod 5. The outer end of the support rod 5 is rotated with a fixed frame 6, and the outer surface of the support rod 5 is slidably inserted with a reel 7. The fixed bracket 6 is arranged on the outer side of the support rod 5 and limits and fixes one side of the reel 7, and the adjustment The support mechanism includes a first threaded rod 11 and two limiting rings 13. Both ends of the first threaded rod 11 are rotationally connected to the inside of the push frame 2. The outer surface of the first threaded rod 11 is covered with a threaded sliding seat 12. A limit ring 13 is fixedly installed in the middle of one side of the sliding seat 12. The inside of the limit ring 13 is fixedly connected to the outside of the support rod 5. One end of the support rod 5 is fixedly connected to one side of the sliding seat 12. The sliding seat 12 The interior and close to both ends are in sliding fit with the outer ends of the push frame 2. A first gear 14 is fixedly mounted on the outer surface of the first threaded rod 11 and close to the bottom, and a second gear 14 is engaged with the extension of the first gear 14. The inside of the gear 15 and the second gear 15 are fixedly connected to the output shaft of the first motor 16, and the rear end of the first motor 16 is fixedly mounted on the inside of the push frame 2 through a mounting piece. When the first motor 16 is properly started, the first motor 16 drives the first threaded rod 11 to rotate, so that the sliding seat 12 drives the support rod 5 to move upward to a suitable position.

A plurality of fixing holes 17 are respectively provided on the upper surfaces of the two extension plates 4, and two corresponding fixing holes 17 are also provided on both sides of the upper surface of the mobile frame 1 near one end. The inner sides of the two fixing holes 17 are respectively provided with a plurality of fixing holes 17. The two rotating rods 18 are threaded together, and two pull rings are fixedly installed on the other side of the support frame 3 and near both ends. Pull the two pull rings provided on one side of the support frame 3 to install the other side of the support frame 3 After the two extension plates 4 are pulled out from the inside of the mobile frame 1 to a suitable position, the two rotating rods 18 are then rotated so that the rotating rods 18 move downward and are inserted into a corresponding one of the multiple fixing holes 17 provided on the upper surface of the extending plate 4 at.

There is a rotation groove 19 in the middle of the support frame 3. A rotation shaft 20 is fixedly installed on the inside of the rotation groove 19. The outer surface of the rotation shaft 20 is in sliding fit with the inner bottom end of the fixed frame 6. The other limiting ring is The inner side of 13 is threaded with the outer surface of the support rod 5 and located on one side of the reel 7. The outer surface of the support rod 5 and close to one end is equipped with a threaded nut 21. The nut 21 is arranged close to the fixing frame 6. On one side, a drive shaft 35 is rotatably installed at the inner rear end of the mobile frame 1, and two wheels 36 are fixedly installed on the outer surface of the drive shaft 35 and close to both ends. Press the push frame 2 downward, so that the push frame 2 drives the moving frame 1 and the mechanism and reel 7 provided on one side of the moving frame 1 to rotate to the bottom of the support frame 3 away from the ground, and then push the push frame 2 to move the reel 7 Transfer to repair point.

As shown in Figures 4 to 7, chute 8 is provided on both sides of the fixed frame 6, and a buffer stop mechanism is provided on the inside of the two chute 8. The buffer stop mechanism includes two arc-shaped buffer rods 9 and two The two buffer plates 10 are movably arranged in the hollow of the runner on one side of the reel 7. The buffer stop mechanism includes two second threaded rods 22. The two ends of the two second threaded rods 22 are respectively connected with two The inside of the chute 8 is rotatably connected, and a third gear 23 is fixedly mounted on the outer surface of the two second threaded rods 22 and close to the bottom end, and a fourth gear 24 is engaged with the outer extension of the third gear 23. The two fourth gears 24 The output shaft of the second motor 25 is internally fixedly connected. Both sides of the two second motors 25 are fixedly installed on both sides of the fixing frame 6 through two sets of fixing pieces. The outer surface of the second threaded rod 22 is covered with a threaded fitting. A set of moving blocks 34, the bottom end of the set of moving blocks 34 is slidingly matched with the inside of the chute 8, the inside of the set of moving blocks 34 is fixedly connected to both ends of the arc-shaped buffer rod 9, and the two second motors 25 are started. The two second motors 25 respectively drive the two third gears 23 to rotate. The two third gears 23 then drive the two fourth gears 24 meshed at the outer extension to rotate. The two fourth gears 24 then drive the two second threaded rods 22 Rotating, the two second threaded rods 22 then drive the two groups of moving blocks 34 and the two buffer plates 10 provided on the two groups of moving blocks 34 to move to appropriate positions in the hollow inside the turntable on one side of the reel 7 respectively.

A sliding frame 26 is installed on the outer surface of the arc-shaped buffer rod 9 and close to the middle of the sliding sleeve. A telescopic cylinder 27 is fixedly installed inside the sliding frame 26. The telescopic end of the telescopic cylinder 27 is fixedly connected to the lower surface of the support base 28. The support base 28 is The third motor 31 is fixedly installed on the upper surface through the connecting base 30. The output shaft of the third motor 31 is fixedly connected to the bottom end of the buffer plate 10. One side of the support base 28 is fixedly connected to one end of the mounting frame 32. The outside of the mounting frame 32 is connected to the sliding The inner upper end of the frame 26 is slidably fitted. The upper end surface of the buffer plate 10 is fixedly installed with a buffer pad 29. The outer surface of the arc-shaped buffer rod 9 is equipped with two springs 33. The two springs 33 are respectively arranged on the outside of the sliding frame 26 and A set of moving blocks 34 are located on the inside. When the cable is paid out to a suitable length, the two telescopic cylinders 27 are started. The two telescopic cylinders 27 drive the two support bases 28 and the mechanisms on the support base 28 to move forward. At the same time, the two third motors 31 are started. A third motor 31 drives the two buffer plates 10 to rotate respectively, so that the buffer pad 29 installed at one end of the buffer plate 10 is appropriately attached to the inner wall of the hollow inside the turntable on one side of the reel 7 according to the rotation and pay-off direction of the reel 7. , at the same time, the sliding frame 26 provided on the rear side of the buffer plate 10 is arranged on the arc-shaped buffer rod 9, and the two springs 33 provided on the arc-shaped buffer rod 9 and located on both sides of the sliding frame 26 can effectively stop the buffer plate 10 The reel 7 performs a certain buffering operation while rotating, leaving a certain amount of buffering time for the person pulling the cable at one end to avoid tension and strain at both ends of the cable.

During use, according to the different diameters and lengths of the reels 7, the first motor 16 is started appropriately. The first motor 16 drives the first threaded rod 11 to rotate, so that the sliding seat 12 drives the support rod 5 to move upward to a suitable position. Then pull the two pull rings provided on one side of the support frame 3, pull out the two extension plates 4 installed on the other side of the support frame 3 from the inside of the mobile frame 1 to the appropriate position, and then rotate the two rotating rods 18 to make the rotation The rod 18 moves downward until it is inserted into a corresponding position in the plurality of fixing holes 17 on the upper surface of the extension plate 4. After that, the inside of the reel 7 is inserted into the support rod 5 so that one side of the reel 7 is close to the support rod 5. One side of the limiting ring 13 of the fixed set is on the outer surface and close to one end. After that, the other limiting ring 13 is rotated and installed on the other side close to the reel 7, and then the fixing frame 6 is rotated to be in contact with the support frame. 3 vertically, and make the inner side of the fixing frame 6 pass through one end of the support rod 5. Finally, use the nut 21 to lock and fix one side of the fixing frame 6 to the outside of the support rod 5. Due to the limit rings provided on both sides of the reel 7 13 are respectively at a certain distance from both sides of the reel 7, so as to facilitate subsequent workers to perform unwinding and maintenance operations on the cables on the reel 7. Press the push frame 2 downward so that the push frame 2 drives the mobile frame 1 and the mobile frame 1 The mechanism installed on one side and the reel 7 rotate until the bottom end of the support frame 3 is away from the ground, and then the reel 7 is transferred to the maintenance point by pushing the push frame 2;

The two second motors 25 are started at the same time. The two second motors 25 drive the two third gears 23 to rotate respectively. The two third gears 23 then drive the two fourth gears 24 meshed at the outer extension to rotate. The two fourth gears 24 then drives the two second threaded rods 22 to rotate, and the two second threaded rods 22 then drive the two groups of moving blocks 34 and the two buffer plates 10 provided on the two groups of moving blocks 34 to move to the inside of the turntable on one side of the reel 7 respectively. After the appropriate position of the hollow part is reached, when the cable is paid out to the appropriate length, the two telescopic cylinders 27 are started. The two telescopic cylinders 27 drive the two support bases 28 and the mechanisms on the support base 28 to move forward. At the same time, the two telescopic cylinders 27 are started. The two third motors 31 respectively drive the two buffer plates 10 to rotate, so that the buffer pads 29 installed at one end of the buffer plates 10 are appropriately close to one side of the reel 7 according to the rotation and pay-off direction of the reel 7. On the inner wall of the hollow inside the turntable, the sliding frame 26 provided on the rear side of the buffer plate 10 is provided on the arc-shaped buffer rod 9, and the two springs 33 provided on the arc-shaped buffer rod 9 and located on both sides of the sliding frame 26, The buffer plate 10 can effectively perform a certain buffering operation while stopping the rotation of the reel 7, leaving a certain amount of buffering time for the cable puller at one end of the cable to avoid tension and strain at both ends of the cable.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and descriptions is only the principle of the present invention. The present invention may also have various modifications without departing from the spirit and scope of the present invention. changes and improvements that fall within the scope of the claimed invention. The scope of protection required for the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An epicyclic mechanism for cable reels, comprising a mobile frame (1), characterized in that: the upper end face of the movable frame (1) is fixedly provided with a pushing frame (2), two extension plates (4) are inserted in the movable frame (1) in a sliding manner at positions close to two sides, the rear ends of the two extension plates (4) are fixedly provided with a supporting frame (3), the extension plates (4) and the pushing frame (2) are jointly provided with an adjusting supporting mechanism, the adjusting supporting mechanism comprises a supporting rod (5), one end of the outer side of the supporting rod (5) is rotationally provided with a fixing frame (6), the utility model discloses a spool, including bracing piece (5), including support rod (5), fixed frame (6), spout (8) have been seted up respectively to the both sides of fixed frame (6), two the inboard of spout (8) is provided with buffering stop mechanism respectively, buffering stop mechanism includes two arc buffer rod (9) and two buffer board (10), two buffer board (10) activity sets up the hollow of runner in reel (7) one side.

2. An epicyclic mechanism for cable reels according to claim 1, wherein: the adjusting and supporting mechanism comprises a first threaded rod (11) and two limiting rings (13), wherein two ends of the first threaded rod (11) are rotatably connected with the inner side of the pushing frame (2), a sliding seat (12) in threaded fit is sleeved on the outer surface of the first threaded rod (11), one limiting ring (13) is fixedly installed in the middle of one side of the sliding seat (12), one limiting ring (13) is fixedly connected with the outer side of a supporting rod (5), one end of the supporting rod (5) is fixedly connected with one side of the sliding seat (12), the inner side of the sliding seat (12) is in sliding fit with two ends of the outer side of the pushing frame (2), and a first gear (14) is fixedly sleeved on the outer surface of the first threaded rod (11) and the outer side of the sliding seat is in close to the bottom.

3. An epicyclic mechanism for cable reels according to claim 2, wherein: the extension department meshing of first gear (14) has second gear (15), the output shaft of first motor (16) of inside fixed connection of second gear (15), the rear end of first motor (16) is through mounting fixed mounting in the inboard department of pushing away frame (2), two a plurality of fixed orificess (17) just are seted up respectively to the upper surface of extension board (4) just the upper surface of movable frame (1) just is close to one end both sides department and also corresponds respectively and has seted up two fixed orificess (17), two the inboard of fixed orificess (17) is provided with two dwang (18) of screw-thread fit respectively, the opposite side of support frame (3) just is close to both ends department fixed mounting has two pull rings.

4. A turnover mechanism for a cable reel as claimed in claim 3, wherein: the inside centre department of support frame (3) has seted up rotation groove (19), the inboard fixed mounting of rotation groove (19) has axis of rotation (20), the surface of axis of rotation (20) and the inside bottom department sliding fit of mount (6), another the inboard of spacing ring (13) and the surface of bracing piece (5) just are located the one side department screw thread fit of reel (7), the surface of bracing piece (5) just is close to one end department cover and is equipped with screw thread fit's nut (21), nut (21) set up in the one side department of pasting fastening fixed frame (6), the inboard rear end department rotation of moving frame (1) installs drive shaft (35), the surface of drive shaft (35) just is close to both ends department fixed mounting has two wheels (36).

5. An epicyclic mechanism for cable reels according to claim 1, wherein: the buffering stop mechanism comprises two second threaded rods (22), two ends of each second threaded rod (22) are respectively connected with the inner sides of two sliding grooves (8) in a rotating mode, a third gear (23) is fixedly sleeved on the outer surface of each second threaded rod (22) and close to the bottom end of each second threaded rod, a fourth gear (24) is meshed with the extension position of each third gear (23), two output shafts of second motors (25) are fixedly connected inside the corresponding fourth gears (24), and two sides of each second motor (25) are fixedly installed on two sides of a fixing frame (6) through two groups of fixing pieces.

6. An epicyclic mechanism for cable reels as set forth in claim 5, wherein: the utility model discloses a sliding device for the flexible electronic equipment, including first threaded rod (22), second threaded rod (22), a set of movable block (34) is equipped with screw-thread fit's a set of movable block (34) bottom and the inboard sliding fit of spout (8), a set of the both ends of inboard fixed connection arc buffer rod (9) of movable block (34), the surface of arc buffer rod (9) just is close to the department sliding sleeve and is equipped with carriage (26) in the middle of, the inside fixed mounting of carriage (26) has flexible jar (27), the lower surface of flexible end fixed connection supporting seat (28) of flexible jar (27), the upper surface of supporting seat (28) is through connecting seat (30) fixed mounting third motor (31).

7. An epicyclic mechanism for cable reels as set forth in claim 6, wherein: the output shaft fixed connection buffer board (10) of third motor (31) bottom, the one end of supporting seat (28) one side fixed connection mounting bracket (32), the outside of mounting bracket (32) and the inside upper end department sliding fit of carriage (26), the up end fixed mounting of buffer board (10) has blotter (29), the surface cover of arc buffer pole (9) has two springs (33), two spring (33) set up respectively in the outside of carriage (26) and the inboard department of a set of movable block (34).